5214 lines
102 KiB
ArmAsm
5214 lines
102 KiB
ArmAsm
/* mculib libgcc routines of Andes NDS32 cpu for GNU compiler
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Copyright (C) 2012-2020 Free Software Foundation, Inc.
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Contributed by Andes Technology Corporation.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published
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by the Free Software Foundation; either version 3, or (at your
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option) any later version.
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GCC is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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License for more details.
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Under Section 7 of GPL version 3, you are granted additional
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permissions described in the GCC Runtime Library Exception, version
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3.1, as published by the Free Software Foundation.
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You should have received a copy of the GNU General Public License and
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a copy of the GCC Runtime Library Exception along with this program;
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see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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<http://www.gnu.org/licenses/>. */
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.section .mdebug.abi_nds32
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.previous
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/* ------------------------------------------- */
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/* FPBIT floating point operations for libgcc */
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/* ------------------------------------------- */
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#ifdef L_addsub_sf
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.text
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.align 2
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.global __subsf3
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.type __subsf3, @function
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__subsf3:
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push $lp
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pushm $r6, $r9
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move $r2, #0x80000000
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xor $r1, $r1, $r2
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j .Lsfpadd
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.global __addsf3
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.type __addsf3, @function
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__addsf3:
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push $lp
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pushm $r6, $r9
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.Lsfpadd:
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srli $r5, $r0, #23
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andi $r5, $r5, #0xff
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srli $r7, $r1, #23
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andi $r7, $r7, #0xff
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move $r3, #0x80000000
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slli $r4, $r0, #8
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or $r4, $r4, $r3
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slli $r6, $r1, #8
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or $r6, $r6, $r3
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addi $r9, $r5, #-1
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slti $r15, $r9, #0xfe
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beqzs8 .LEspecA
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.LElab1:
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addi $r9, $r7, #-1
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slti $r15, $r9, #0xfe
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beqzs8 .LEspecB
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.LElab2:
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sub $r8, $r5, $r7
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sltsi $r15, $r8, #0
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bnezs8 .Li1
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sltsi $r15, $r8, #0x20
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bnezs8 .Li2
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move $r6, #2
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j .Le1
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.Li2:
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move $r2, $r6
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srl $r6, $r6, $r8
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sll $r9, $r6, $r8
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beq $r9, $r2, .Le1
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ori $r6, $r6, #2
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j .Le1
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.Li1:
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move $r5, $r7
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subri $r8, $r8, #0
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sltsi $r15, $r8, #0x20
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bnezs8 .Li4
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move $r4, #2
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j .Le1
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.Li4:
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move $r2, $r4
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srl $r4, $r4, $r8
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sll $r9, $r4, $r8
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beq $r9, $r2, .Le1
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ori $r4, $r4, #2
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.Le1:
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and $r8, $r0, $r3
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xor $r9, $r8, $r1
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sltsi $r15, $r9, #0
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bnezs8 .LEsub1
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#ADD($r4, $r6)
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add $r4, $r4, $r6
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slt $r15, $r4, $r6
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beqzs8 .LEres
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andi $r9, $r4, #1
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beqz $r9, .Li7
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ori $r4, $r4, #2
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.Li7:
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srli $r4, $r4, #1
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addi $r5, $r5, #1
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subri $r15, $r5, #0xff
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bnezs8 .LEres
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move $r4, #0
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j .LEres
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.LEsub1:
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#SUB($r4, $r6)
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move $r15, $r4
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sub $r4, $r4, $r6
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slt $r15, $r15, $r4
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beqzs8 .Li9
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subri $r4, $r4, #0
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xor $r8, $r8, $r3
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j .Le9
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.Li9:
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beqz $r4, .LEzer
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.Le9:
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#ifdef __NDS32_PERF_EXT__
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clz $r2, $r4
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#else
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pushm $r0, $r1
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pushm $r3, $r5
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move $r0, $r4
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bal __clzsi2
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move $r2, $r0
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popm $r3, $r5
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popm $r0, $r1
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#endif
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sub $r5, $r5, $r2
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sll $r4, $r4, $r2
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.LEres:
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blez $r5, .LEund
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.LElab12:
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#ADD($r4, $0x80)
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move $r15, #0x80
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add $r4, $r4, $r15
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slt $r15, $r4, $r15
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#ADDC($r5, $0x0)
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add $r5, $r5, $r15
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srli $r9, $r4, #8
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andi $r9, $r9, #1
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sub $r4, $r4, $r9
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slli $r4, $r4, #1
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srli $r4, $r4, #9
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slli $r9, $r5, #23
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or $r4, $r4, $r9
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or $r0, $r4, $r8
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.LE999:
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popm $r6, $r9
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pop $lp
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ret5 $lp
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.LEund:
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subri $r2, $r5, #1
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slti $r15, $r2, #0x20
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beqzs8 .LEzer
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move $r9, #0x80000000
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or $r4, $r4, $r9
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subri $r9, $r2, #0x20
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sll $r5, $r4, $r9
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srl $r4, $r4, $r2
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beqz $r5, .Li10
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ori $r4, $r4, #1
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.Li10:
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move $r5, #0
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addi $r9, $r4, #0x80
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sltsi $r15, $r9, #0
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beqzs8 .LElab12
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move $r5, #1
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j .LElab12
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.LEspecA:
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bnez $r5, .Li12
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add $r4, $r4, $r4
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beqz $r4, .Li13
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#ifdef __NDS32_PERF_EXT__
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clz $r8, $r4
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#else
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pushm $r0, $r5
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move $r0, $r4
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bal __clzsi2
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move $r8, $r0
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popm $r0, $r5
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#endif
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sub $r5, $r5, $r8
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sll $r4, $r4, $r8
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j .LElab1
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.Li13:
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subri $r15, $r7, #0xff
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beqzs8 .LEspecB
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move $r9, #0x80000000
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bne $r1, $r9, .LEretB
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.Li12:
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add $r9, $r4, $r4
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bnez $r9, .LEnan
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subri $r15, $r7, #0xff
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bnezs8 .LEretA
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xor $r9, $r0, $r1
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sltsi $r15, $r9, #0
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bnezs8 .LEnan
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j .LEretB
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.LEspecB:
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bnez $r7, .Li15
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add $r6, $r6, $r6
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beqz $r6, .LEretA
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#ifdef __NDS32_PERF_EXT__
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clz $r8, $r6
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#else
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pushm $r0, $r5
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move $r0, $r6
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bal __clzsi2
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move $r8, $r0
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popm $r0, $r5
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#endif
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sub $r7, $r7, $r8
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sll $r6, $r6, $r8
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j .LElab2
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.Li15:
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add $r9, $r6, $r6
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bnez $r9, .LEnan
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.LEretB:
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move $r0, $r1
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j .LE999
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.LEretA:
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j .LE999
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.LEzer:
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move $r0, #0
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j .LE999
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.LEnan:
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move $r0, #0xffc00000
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j .LE999
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.size __subsf3, .-__subsf3
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.size __addsf3, .-__addsf3
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#endif /* L_addsub_sf */
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#ifdef L_sf_to_si
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.text
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.align 2
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.global __fixsfsi
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.type __fixsfsi, @function
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__fixsfsi:
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push $lp
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slli $r1, $r0, #8
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move $r3, #0x80000000
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or $r1, $r1, $r3
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srli $r3, $r0, #23
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andi $r3, $r3, #0xff
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subri $r2, $r3, #0x9e
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blez $r2, .LJspec
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sltsi $r15, $r2, #0x20
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bnezs8 .Li42
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move $r0, #0
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j .LJ999
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.Li42:
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srl $r1, $r1, $r2
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sltsi $r15, $r0, #0
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beqzs8 .Li43
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subri $r1, $r1, #0
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.Li43:
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move $r0, $r1
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.LJ999:
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pop $lp
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ret5 $lp
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.LJspec:
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move $r3, #0x7f800000
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slt $r15, $r3, $r0
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beqzs8 .Li44
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move $r0, #0x80000000
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j .LJ999
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.Li44:
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move $r0, #0x7fffffff
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j .LJ999
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.size __fixsfsi, .-__fixsfsi
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#endif /* L_sf_to_si */
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#ifdef L_divsi3
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.text
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.align 2
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.globl __divsi3
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.type __divsi3, @function
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__divsi3:
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! ---------------------------------------------------------------------
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! neg = 0;
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! if (a < 0)
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! { a = -a;
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! neg = !neg;
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! }
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! ---------------------------------------------------------------------
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sltsi $r5, $r0, 0 ! $r5 <- neg = (a < 0) ? 1 : 0
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subri $r4, $r0, 0 ! $r4 <- a = -a
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cmovn $r0, $r4, $r5 ! $r0 <- a = neg ? -a : a
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.L2:
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! ---------------------------------------------------------------------
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! if (b < 0)
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! ---------------------------------------------------------------------
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bgez $r1, .L3 ! if b >= 0, skip
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! ---------------------------------------------------------------------
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! { b=-b;
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! neg=!neg;
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! }
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! ---------------------------------------------------------------------
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subri $r1, $r1, 0 ! $r1 <- b = -b
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subri $r5, $r5, 1 ! $r5 <- neg = !neg
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.L3:
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! ---------------------------------------------------------------------
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!!res = udivmodsi4 (a, b, 1);
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! res = 0;
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! if (den != 0)
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! ---------------------------------------------------------------------
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movi $r2, 0 ! $r2 <- res = 0
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beqz $r1, .L1 ! if den == 0, skip
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! ---------------------------------------------------------------------
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! bit = 1;
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! ---------------------------------------------------------------------
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movi $r4, 1 ! $r4 <- bit = 1
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#ifndef __OPTIMIZE_SIZE__
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.L6:
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#endif
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! ---------------------------------------------------------------------
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! while (den < num && bit && !(den & (1L << 31)))
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! ---------------------------------------------------------------------
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slt $ta, $r1, $r0 ! $ta <- den < num ?
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beqz $ta, .L5 ! if no, skip
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! ---------------------------------------------------------------------
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! { den << = 1;
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! bit << = 1;
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! }
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! ---------------------------------------------------------------------
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#if defined (__OPTIMIZE_SIZE__) && !defined (__NDS32_ISA_V3M__)
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clz $r3, $r1 ! $r3 <- leading zero count for den
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clz $ta, $r0 ! $ta <- leading zero count for num
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sub $r3, $r3, $ta ! $r3 <- number of bits to shift
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sll $r1, $r1, $r3 ! $r1 <- den
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sll $r4, $r4, $r3 ! $r2 <- bit
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#else
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slli $r1, $r1, 1 ! $r1 <- den << = 1
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slli $r4, $r4, 1 ! $r4 <- bit << = 1
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b .L6 ! continue loop
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#endif
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.L5:
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! ---------------------------------------------------------------------
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! while (bit)
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! { if (num >= den)
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! ---------------------------------------------------------------------
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slt $ta, $r0, $r1 ! $ta <- num < den ?
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bnez $ta, .L9 ! if yes, skip
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! ---------------------------------------------------------------------
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! { num -= den;
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! res |= bit;
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! }
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! ---------------------------------------------------------------------
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sub $r0, $r0, $r1 ! $r0 <- num -= den
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or $r2, $r2, $r4 ! $r2 <- res |= bit
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.L9:
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! ---------------------------------------------------------------------
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! bit >> = 1;
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! den >> = 1;
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! }
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!!if (modwanted)
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!! return num;
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!!return res;
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! ---------------------------------------------------------------------
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|
srli $r4, $r4, 1 ! $r4 <- bit >> = 1
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srli $r1, $r1, 1 ! $r1 <- den >> = 1
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bnez $r4, .L5 ! if bit != 0, continue loop
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.L1:
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! ---------------------------------------------------------------------
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! if (neg)
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! res = -res;
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! return res;
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|
! ---------------------------------------------------------------------
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|
subri $r0, $r2, 0 ! $r0 <- -res
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|
cmovz $r0, $r2, $r5 ! $r0 <- neg ? -res : res
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! ---------------------------------------------------------------------
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ret
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.size __divsi3, .-__divsi3
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#endif /* L_divsi3 */
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|
|
|
|
|
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#ifdef L_divdi3
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|
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!--------------------------------------
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#ifdef __big_endian__
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|
#define V1H $r0
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|
#define V1L $r1
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|
#define V2H $r2
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|
#define V2L $r3
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|
#else
|
|
#define V1H $r1
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|
#define V1L $r0
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|
#define V2H $r3
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|
#define V2L $r2
|
|
#endif
|
|
!--------------------------------------
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|
.text
|
|
.align 2
|
|
.globl __divdi3
|
|
.type __divdi3, @function
|
|
__divdi3:
|
|
! prologue
|
|
#ifdef __NDS32_ISA_V3M__
|
|
push25 $r10, 0
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|
#else
|
|
smw.adm $r6, [$sp], $r10, 2
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|
#endif
|
|
! end of prologue
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|
move $r8, V1L
|
|
move $r9, V1H
|
|
move $r6, V2L
|
|
move $r7, V2H
|
|
movi $r10, 0
|
|
bgez V1H, .L80
|
|
bal __negdi2
|
|
move $r8, V1L
|
|
move $r9, V1H
|
|
movi $r10, -1
|
|
.L80:
|
|
bgez $r7, .L81
|
|
move V1L, $r6
|
|
move V1H, $r7
|
|
bal __negdi2
|
|
move $r6, V1L
|
|
move $r7, V1H
|
|
nor $r10, $r10, $r10
|
|
.L81:
|
|
move V2L, $r6
|
|
move V2H, $r7
|
|
move V1L, $r8
|
|
move V1H, $r9
|
|
movi $r4, 0
|
|
bal __udivmoddi4
|
|
beqz $r10, .L82
|
|
bal __negdi2
|
|
.L82:
|
|
! epilogue
|
|
#ifdef __NDS32_ISA_V3M__
|
|
pop25 $r10, 0
|
|
#else
|
|
lmw.bim $r6, [$sp], $r10, 2
|
|
ret
|
|
#endif
|
|
.size __divdi3, .-__divdi3
|
|
#endif /* L_divdi3 */
|
|
|
|
|
|
|
|
#ifdef L_modsi3
|
|
|
|
.text
|
|
.align 2
|
|
.globl __modsi3
|
|
.type __modsi3, @function
|
|
__modsi3:
|
|
! ---------------------------------------------------------------------
|
|
! neg=0;
|
|
! if (a<0)
|
|
! { a=-a;
|
|
! neg=1;
|
|
! }
|
|
! ---------------------------------------------------------------------
|
|
sltsi $r5, $r0, 0 ! $r5 <- neg < 0 ? 1 : 0
|
|
subri $r4, $r0, 0 ! $r4 <- -a
|
|
cmovn $r0, $r4, $r5 ! $r0 <- |a|
|
|
! ---------------------------------------------------------------------
|
|
! if (b < 0)
|
|
#ifndef __NDS32_PERF_EXT__
|
|
! ---------------------------------------------------------------------
|
|
bgez $r1, .L3 ! if b >= 0, skip
|
|
! ---------------------------------------------------------------------
|
|
! b = -b;
|
|
! ---------------------------------------------------------------------
|
|
subri $r1, $r1, 0 ! $r1 <- |b|
|
|
.L3:
|
|
! ---------------------------------------------------------------------
|
|
!!res = udivmodsi4 (a, b, 1);
|
|
! if (den != 0)
|
|
! ---------------------------------------------------------------------
|
|
#else /* __NDS32_PERF_EXT__ */
|
|
! b = -b;
|
|
!!res = udivmodsi4 (a, b, 1);
|
|
! if (den != 0)
|
|
! ---------------------------------------------------------------------
|
|
abs $r1, $r1 ! $r1 <- |b|
|
|
#endif /* __NDS32_PERF_EXT__ */
|
|
beqz $r1, .L1 ! if den == 0, skip
|
|
! ---------------------------------------------------------------------
|
|
! { bit = 1;
|
|
! res = 0;
|
|
! ---------------------------------------------------------------------
|
|
movi $r4, 1 ! $r4 <- bit = 1
|
|
#ifndef __OPTIMIZE_SIZE__
|
|
.L6:
|
|
#endif
|
|
! ---------------------------------------------------------------------
|
|
! while (den < num&&bit && !(den & (1L << 31)))
|
|
! ---------------------------------------------------------------------
|
|
slt $ta, $r1, $r0 ! $ta <- den < num ?
|
|
beqz $ta, .L5 ! if no, skip
|
|
! ---------------------------------------------------------------------
|
|
! { den << = 1;
|
|
! bit << = 1;
|
|
! }
|
|
! ---------------------------------------------------------------------
|
|
#if defined (__OPTIMIZE_SIZE__) && ! defined (__NDS32_ISA_V3M__)
|
|
clz $r3, $r1 ! $r3 <- leading zero count for den
|
|
clz $ta, $r0 ! $ta <- leading zero count for num
|
|
sub $r3, $r3, $ta ! $r3 <- number of bits to shift
|
|
sll $r1, $r1, $r3 ! $r1 <- den
|
|
sll $r4, $r4, $r3 ! $r2 <- bit
|
|
#else
|
|
slli $r1, $r1, 1 ! $r1 <- den << = 1
|
|
slli $r4, $r4, 1 ! $r4 <- bit << = 1
|
|
b .L6 ! continue loop
|
|
#endif
|
|
.L5:
|
|
! ---------------------------------------------------------------------
|
|
! while (bit)
|
|
! { if (num >= den)
|
|
! { num -= den;
|
|
! res |= bit;
|
|
! }
|
|
! bit >> = 1;
|
|
! den >> = 1;
|
|
! }
|
|
! }
|
|
!!if (modwanted)
|
|
!! return num;
|
|
!!return res;
|
|
! ---------------------------------------------------------------------
|
|
sub $r2, $r0, $r1 ! $r2 <- num - den
|
|
slt $ta, $r0, $r1 ! $ta <- num < den ?
|
|
srli $r4, $r4, 1 ! $r4 <- bit >> = 1
|
|
cmovz $r0, $r2, $ta ! $r0 <- num = (num < den) ? num : num - den
|
|
srli $r1, $r1, 1 ! $r1 <- den >> = 1
|
|
bnez $r4, .L5 ! if bit != 0, continue loop
|
|
.L1:
|
|
! ---------------------------------------------------------------------
|
|
! if (neg)
|
|
! res = -res;
|
|
! return res;
|
|
! ---------------------------------------------------------------------
|
|
subri $r3, $r0, 0 ! $r3 <- -res
|
|
cmovn $r0, $r3, $r5 ! $r0 <- neg ? -res : res
|
|
! ---------------------------------------------------------------------
|
|
ret
|
|
.size __modsi3, .-__modsi3
|
|
#endif /* L_modsi3 */
|
|
|
|
|
|
|
|
#ifdef L_moddi3
|
|
|
|
!--------------------------------------
|
|
#ifdef __big_endian__
|
|
#define V1H $r0
|
|
#define V1L $r1
|
|
#define V2H $r2
|
|
#define V2L $r3
|
|
#else
|
|
#define V1H $r1
|
|
#define V1L $r0
|
|
#define V2H $r3
|
|
#define V2L $r2
|
|
#endif
|
|
!--------------------------------------
|
|
.text
|
|
.align 2
|
|
.globl __moddi3
|
|
.type __moddi3, @function
|
|
__moddi3:
|
|
! =====================================================================
|
|
! stack allocation:
|
|
! sp+32 +-----------------------+
|
|
! | $lp |
|
|
! sp+28 +-----------------------+
|
|
! | $r6 - $r10 |
|
|
! sp+8 +-----------------------+
|
|
! | |
|
|
! sp+4 +-----------------------+
|
|
! | |
|
|
! sp +-----------------------+
|
|
! =====================================================================
|
|
! prologue
|
|
#ifdef __NDS32_ISA_V3M__
|
|
push25 $r10, 8
|
|
#else
|
|
smw.adm $r6, [$sp], $r10, 2
|
|
addi $sp, $sp, -8
|
|
#endif
|
|
! end of prologue
|
|
!------------------------------------------
|
|
! __moddi3 (DWtype u, DWtype v)
|
|
! {
|
|
! word_type c = 0;
|
|
! DWunion uu = {.ll = u};
|
|
! DWunion vv = {.ll = v};
|
|
! DWtype w;
|
|
! if (uu.s.high < 0)
|
|
! c = ~c,
|
|
! uu.ll = -uu.ll;
|
|
!---------------------------------------------
|
|
move $r8, V1L
|
|
move $r9, V1H
|
|
move $r6, V2L
|
|
move $r7, V2H
|
|
movi $r10, 0 ! r10 = c = 0
|
|
bgez V1H, .L80 ! if u > 0 , go L80
|
|
bal __negdi2
|
|
move $r8, V1L
|
|
move $r9, V1H
|
|
movi $r10, -1 ! r10 = c = ~c
|
|
!------------------------------------------------
|
|
! if (vv.s.high < 0)
|
|
! vv.ll = -vv.ll;
|
|
!----------------------------------------------
|
|
.L80:
|
|
bgez $r7, .L81 ! if v > 0 , go L81
|
|
move V1L, $r6
|
|
move V1H, $r7
|
|
bal __negdi2
|
|
move $r6, V1L
|
|
move $r7, V1H
|
|
!------------------------------------------
|
|
! (void) __udivmoddi4 (uu.ll, vv.ll, &w);
|
|
! if (c)
|
|
! w = -w;
|
|
! return w;
|
|
!-----------------------------------------
|
|
.L81:
|
|
move V2L, $r6
|
|
move V2H, $r7
|
|
move V1L, $r8
|
|
move V1H, $r9
|
|
addi $r4, $sp, 0
|
|
bal __udivmoddi4
|
|
lwi $r0, [$sp+(0)] ! le: sp + 0 is low, be: sp + 0 is high
|
|
lwi $r1, [$sp+(4)] ! le: sp + 4 is low, be: sp + 4 is high
|
|
beqz $r10, .L82
|
|
bal __negdi2
|
|
.L82:
|
|
! epilogue
|
|
#ifdef __NDS32_ISA_V3M__
|
|
pop25 $r10, 8
|
|
#else
|
|
addi $sp, $sp, 8
|
|
lmw.bim $r6, [$sp], $r10, 2
|
|
ret
|
|
#endif
|
|
.size __moddi3, .-__moddi3
|
|
#endif /* L_moddi3 */
|
|
|
|
|
|
|
|
#ifdef L_mulsi3
|
|
|
|
.text
|
|
.align 2
|
|
.globl __mulsi3
|
|
.type __mulsi3, @function
|
|
__mulsi3:
|
|
! ---------------------------------------------------------------------
|
|
! r = 0;
|
|
! while (a)
|
|
! $r0: r
|
|
! $r1: b
|
|
! $r2: a
|
|
! ---------------------------------------------------------------------
|
|
beqz $r0, .L7 ! if a == 0, done
|
|
move $r2, $r0 ! $r2 <- a
|
|
movi $r0, 0 ! $r0 <- r <- 0
|
|
.L8:
|
|
! ---------------------------------------------------------------------
|
|
! { if (a & 1)
|
|
! r += b;
|
|
! a >> = 1;
|
|
! b << = 1;
|
|
! }
|
|
! $r0: r
|
|
! $r1: b
|
|
! $r2: a
|
|
! $r3: scratch
|
|
! $r4: scratch
|
|
! ---------------------------------------------------------------------
|
|
andi $r3, $r2, 1 ! $r3 <- a & 1
|
|
add $r4, $r0, $r1 ! $r4 <- r += b
|
|
cmovn $r0, $r4, $r3 ! $r0 <- r
|
|
srli $r2, $r2, 1 ! $r2 <- a >> = 1
|
|
slli $r1, $r1, 1 ! $r1 <- b << = 1
|
|
bnez $r2, .L8 ! if a != 0, continue loop
|
|
.L7:
|
|
! ---------------------------------------------------------------------
|
|
! $r0: return code
|
|
! ---------------------------------------------------------------------
|
|
ret
|
|
.size __mulsi3, .-__mulsi3
|
|
#endif /* L_mulsi3 */
|
|
|
|
|
|
|
|
#ifdef L_udivsi3
|
|
|
|
.text
|
|
.align 2
|
|
.globl __udivsi3
|
|
.type __udivsi3, @function
|
|
__udivsi3:
|
|
! ---------------------------------------------------------------------
|
|
!!res=udivmodsi4(a,b,0);
|
|
! res=0;
|
|
! if (den!=0)
|
|
! ---------------------------------------------------------------------
|
|
movi $r2, 0 ! $r2 <- res=0
|
|
beqz $r1, .L1 ! if den==0, skip
|
|
! ---------------------------------------------------------------------
|
|
! { bit=1;
|
|
! ---------------------------------------------------------------------
|
|
movi $r4, 1 ! $r4 <- bit=1
|
|
#ifndef __OPTIMIZE_SIZE__
|
|
.L6:
|
|
#endif
|
|
! ---------------------------------------------------------------------
|
|
! while (den<num
|
|
! ---------------------------------------------------------------------
|
|
slt $ta, $r1, $r0 ! $ta <- den<num?
|
|
beqz $ta, .L5 ! if no, skip
|
|
! ---------------------------------------------------------------------
|
|
! &&bit&&!(den&(1L<<31)))
|
|
! ---------------------------------------------------------------------
|
|
bltz $r1, .L5 ! if den<0, skip
|
|
! ---------------------------------------------------------------------
|
|
! { den<<=1;
|
|
! bit<<=1;
|
|
! }
|
|
! ---------------------------------------------------------------------
|
|
#if defined (__OPTIMIZE_SIZE__) && ! defined (__NDS32_ISA_V3M__)
|
|
clz $r3, $r1 ! $r3 <- leading zero count for den
|
|
clz $ta, $r0 ! $ta <- leading zero count for num
|
|
sub $r3, $r3, $ta ! $r3 <- number of bits to shift
|
|
sll $r1, $r1, $r3 ! $r1 <- den
|
|
sll $r2, $r2, $r3 ! $r2 <- bit
|
|
#else
|
|
slli $r1, $r1, 1 ! $r1 <- den<<=1
|
|
slli $r4, $r4, 1 ! $r4 <- bit<<=1
|
|
b .L6 ! continue loop
|
|
#endif
|
|
.L5:
|
|
! ---------------------------------------------------------------------
|
|
! while (bit)
|
|
! { if (num>=den)
|
|
! ---------------------------------------------------------------------
|
|
slt $ta, $r0, $r1 ! $ta <- num<den?
|
|
bnez $ta, .L9 ! if yes, skip
|
|
! ---------------------------------------------------------------------
|
|
! { num-=den;
|
|
! res|=bit;
|
|
! }
|
|
! ---------------------------------------------------------------------
|
|
sub $r0, $r0, $r1 ! $r0 <- num-=den
|
|
or $r2, $r2, $r4 ! $r2 <- res|=bit
|
|
.L9:
|
|
! ---------------------------------------------------------------------
|
|
! bit>>=1;
|
|
! den>>=1;
|
|
! }
|
|
! }
|
|
!!if (modwanted)
|
|
!! return num;
|
|
!!return res;
|
|
! ---------------------------------------------------------------------
|
|
srli $r4, $r4, 1 ! $r4 <- bit>>=1
|
|
srli $r1, $r1, 1 ! $r1 <- den>>=1
|
|
bnez $r4, .L5 ! if bit!=0, continue loop
|
|
.L1:
|
|
! ---------------------------------------------------------------------
|
|
! return res;
|
|
! ---------------------------------------------------------------------
|
|
move $r0, $r2 ! $r0 <- return value
|
|
! ---------------------------------------------------------------------
|
|
! ---------------------------------------------------------------------
|
|
ret
|
|
.size __udivsi3, .-__udivsi3
|
|
#endif /* L_udivsi3 */
|
|
|
|
|
|
|
|
#ifdef L_udivdi3
|
|
|
|
!--------------------------------------
|
|
#ifdef __big_endian__
|
|
#define V1H $r0
|
|
#define V1L $r1
|
|
#define V2H $r2
|
|
#define V2L $r3
|
|
#else
|
|
#define V1H $r1
|
|
#define V1L $r0
|
|
#define V2H $r3
|
|
#define V2L $r2
|
|
#endif
|
|
!--------------------------------------
|
|
|
|
.text
|
|
.align 2
|
|
.globl __udivdi3
|
|
.type __udivdi3, @function
|
|
__udivdi3:
|
|
! prologue
|
|
#ifdef __NDS32_ISA_V3M__
|
|
push25 $r8, 0
|
|
#else
|
|
smw.adm $r6, [$sp], $r8, 2
|
|
#endif
|
|
! end of prologue
|
|
movi $r4, 0
|
|
bal __udivmoddi4
|
|
! epilogue
|
|
#ifdef __NDS32_ISA_V3M__
|
|
pop25 $r8, 0
|
|
#else
|
|
lmw.bim $r6, [$sp], $r8, 2
|
|
ret
|
|
#endif
|
|
.size __udivdi3, .-__udivdi3
|
|
#endif /* L_udivdi3 */
|
|
|
|
|
|
|
|
#ifdef L_udivmoddi4
|
|
|
|
.text
|
|
.align 2
|
|
.globl fudiv_qrnnd
|
|
.type fudiv_qrnnd, @function
|
|
#ifdef __big_endian__
|
|
#define P1H $r0
|
|
#define P1L $r1
|
|
#define P2H $r2
|
|
#define P2L $r3
|
|
#define W6H $r4
|
|
#define W6L $r5
|
|
#define OFFSET_L 4
|
|
#define OFFSET_H 0
|
|
#else
|
|
#define P1H $r1
|
|
#define P1L $r0
|
|
#define P2H $r3
|
|
#define P2L $r2
|
|
#define W6H $r5
|
|
#define W6L $r4
|
|
#define OFFSET_L 0
|
|
#define OFFSET_H 4
|
|
#endif
|
|
fudiv_qrnnd:
|
|
!------------------------------------------------------
|
|
! function: fudiv_qrnnd(quotient, remainder, high_numerator, low_numerator, denominator)
|
|
! divides a UDWtype, composed by the UWtype integers,HIGH_NUMERATOR (from $r4)
|
|
! and LOW_NUMERATOR(from $r5) by DENOMINATOR(from $r6), and places the quotient
|
|
! in $r7 and the remainder in $r8.
|
|
!------------------------------------------------------
|
|
! in reg:$r4(n1), $r5(n0), $r6(d0)
|
|
! __d1 = ((USItype) (d) >> ((4 * 8) / 2));
|
|
! __d0 = ((USItype) (d) & (((USItype) 1 << ((4 * 8) / 2)) - 1));
|
|
! __r1 = (n1) % __d1;
|
|
! __q1 = (n1) / __d1;
|
|
! __m = (USItype) __q1 * __d0;
|
|
! __r1 = __r1 * ((USItype) 1 << ((4 * 8) / 2)) | ((USItype) (n0) >> ((4 * 8) / 2));
|
|
! if (__r1 < __m)
|
|
! {
|
|
!------------------------------------------------------
|
|
smw.adm $r0, [$sp], $r4, 2 ! store $lp, when use BASELINE_V1,and must store $r0-$r3
|
|
srli $r7, $r6, 16 ! $r7 = d1 =__ll_highpart (d)
|
|
movi $ta, 65535
|
|
and $r8, $r6, $ta ! $r8 = d0 = __ll_lowpart (d)
|
|
|
|
divr $r9, $r10, $r4, $r7 ! $r9 = q1, $r10 = r1
|
|
and $r4, $r5, $ta ! $r4 = __ll_lowpart (n0)
|
|
slli $r10, $r10, 16 ! $r10 = r1 << 16
|
|
srli $ta, $r5, 16 ! $ta = __ll_highpart (n0)
|
|
|
|
or $r10, $r10, $ta ! $r10 <- $r0|$r3=__r1
|
|
mul $r5, $r9, $r8 ! $r5 = m = __q1*__d0
|
|
slt $ta, $r10, $r5 ! $ta <- __r1<__m
|
|
beqz $ta, .L2 !if yes,skip
|
|
!------------------------------------------------------
|
|
! __q1--, __r1 += (d);
|
|
! if (__r1 >= (d))
|
|
! {
|
|
!------------------------------------------------------
|
|
|
|
add $r10, $r10, $r6 !$r10 <- __r1+d=__r1
|
|
addi $r9, $r9, -1 !$r9 <- __q1--=__q1
|
|
slt $ta, $r10, $r6 !$ta <- __r1<d
|
|
bnez $ta, .L2 !if yes,skip
|
|
!------------------------------------------------------
|
|
! if (__r1 < __m)
|
|
! {
|
|
!------------------------------------------------------
|
|
|
|
slt $ta, $r10, $r5 !$ta <- __r1<__m
|
|
beqz $ta, .L2 !if yes,skip
|
|
!------------------------------------------------------
|
|
! __q1--, __r1 += (d);
|
|
! }
|
|
! }
|
|
! }
|
|
!------------------------------------------------------
|
|
|
|
addi $r9, $r9, -1 !$r9 <- __q1--=__q1
|
|
add $r10, $r10, $r6 !$r2 <- __r1+d=__r1
|
|
.L2:
|
|
!------------------------------------------------------
|
|
! __r1 -= __m;
|
|
! __r0 = __r1 % __d1;
|
|
! __q0 = __r1 / __d1;
|
|
! __m = (USItype) __q0 * __d0;
|
|
! __r0 = __r0 * ((USItype) 1 << ((4 * 8) / 2)) \
|
|
! | ((USItype) (n0) & (((USItype) 1 << ((4 * 8) / 2)) - 1));
|
|
! if (__r0 < __m)
|
|
! {
|
|
!------------------------------------------------------
|
|
sub $r10, $r10, $r5 !$r10 <- __r1-__m=__r1
|
|
divr $r7, $r10, $r10, $r7 !$r7 <- r1/__d1=__q0,$r10 <- r1%__d1=__r0
|
|
slli $r10, $r10, 16 !$r10 <- __r0<<16
|
|
mul $r5, $r8, $r7 !$r5 <- __q0*__d0=__m
|
|
or $r10, $r4, $r10 !$r3 <- $r0|__ll_lowpart (n0) =__r0
|
|
slt $ta, $r10, $r5 !$ta <- __r0<__m
|
|
beqz $ta, .L5 !if yes,skip
|
|
!------------------------------------------------------
|
|
! __q0--, __r0 += (d);
|
|
! if (__r0 >= (d))
|
|
! {
|
|
!------------------------------------------------------
|
|
|
|
add $r10, $r10, $r6 !$r10 <- __r0+d=__r0
|
|
addi $r7, $r7, -1 !$r7 <- __q0--=__q0
|
|
slt $ta, $r10, $r6 !$ta <- __r0<d
|
|
bnez $ta, .L5 !if yes,skip
|
|
!------------------------------------------------------
|
|
! if (__r0 < __m)
|
|
! {
|
|
!------------------------------------------------------
|
|
|
|
slt $ta, $r10, $r5 !$ta <- __r0<__m
|
|
beqz $ta, .L5 !if yes,skip
|
|
!------------------------------------------------------
|
|
! __q0--, __r0 += (d);
|
|
! }
|
|
! }
|
|
! }
|
|
!------------------------------------------------------
|
|
|
|
add $r10, $r10, $r6 !$r3 <- __r0+d=__r0
|
|
addi $r7, $r7, -1 !$r2 <- __q0--=__q0
|
|
.L5:
|
|
!------------------------------------------------------
|
|
! __r0 -= __m;
|
|
! *q = (USItype) __q1 * ((USItype) 1 << ((4 * 8) / 2)) | __q0;
|
|
! *r = __r0;
|
|
!}
|
|
!------------------------------------------------------
|
|
|
|
sub $r8, $r10, $r5 !$r8 = r = r0 = __r0-__m
|
|
slli $r9, $r9, 16 !$r9 <- __q1<<16
|
|
or $r7, $r9, $r7 !$r7 = q = $r9|__q0
|
|
lmw.bim $r0, [$sp], $r4, 2
|
|
ret
|
|
.size fudiv_qrnnd, .-fudiv_qrnnd
|
|
|
|
.align 2
|
|
.globl __udivmoddi4
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.type __udivmoddi4, @function
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__udivmoddi4:
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! =====================================================================
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! stack allocation:
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! sp+40 +------------------+
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! | q1 |
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! sp+36 +------------------+
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! | q0 |
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! sp+32 +------------------+
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! | bm |
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! sp+28 +------------------+
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! | $lp |
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! sp+24 +------------------+
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! | $fp |
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! sp+20 +------------------+
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! | $r6 - $r10 |
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! sp +------------------+
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! =====================================================================
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addi $sp, $sp, -40
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smw.bi $r6, [$sp], $r10, 10
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!------------------------------------------------------
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! d0 = dd.s.low;
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! d1 = dd.s.high;
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! n0 = nn.s.low;
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! n1 = nn.s.high;
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! if (d1 == 0)
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! {
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!------------------------------------------------------
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move $fp, $r4 !$fp <- rp
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bnez P2H, .L9 !if yes,skip
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!------------------------------------------------------
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! if (d0 > n1)
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! {
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!------------------------------------------------------
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slt $ta, P1H, P2L !$ta <- n1<d0
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beqz $ta, .L10 !if yes,skip
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#ifndef __NDS32_PERF_EXT__
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smw.adm $r0, [$sp], $r5, 0
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move $r0, P2L
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bal __clzsi2
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move $r7, $r0
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lmw.bim $r0, [$sp], $r5, 0
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#else
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clz $r7, P2L
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#endif
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swi $r7, [$sp+(28)]
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beqz $r7, .L18 !if yes,skip
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!------------------------------------------------------
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! d0 = d0 << bm;
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! n1 = (n1 << bm) | (n0 >> ((4 * 8) - bm));
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! n0 = n0 << bm;
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! }
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!------------------------------------------------------
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subri $r5, $r7, 32 !$r5 <- 32-bm
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srl $r5, P1L, $r5 !$r5 <- n0>>$r5
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sll $r6, P1H, $r7 !$r6 <- n1<<bm
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or P1H, $r6, $r5 !P2h <- $r5|$r6=n1
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sll P1L, P1L, $r7 !P1H <- n0<<bm=n0
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sll P2L, P2L, $r7 !P2L <- d0<<bm=d0
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.L18:
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!------------------------------------------------------
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! fudiv_qrnnd (&q0, &n0, n1, n0, d0);
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! q1 = 0;
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! } #if (d0 > n1)
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!------------------------------------------------------
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move $r4,P1H ! give fudiv_qrnnd args
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move $r5,P1L !
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move $r6,P2L !
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bal fudiv_qrnnd !calcaulte q0 n0
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movi $r6, 0 !P1L <- 0
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swi $r7,[$sp+32] !q0
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swi $r6,[$sp+36] !q1
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move P1L,$r8 !n0
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b .L19
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.L10:
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!------------------------------------------------------
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! else #if (d0 > n1)
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! {
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! if(d0 == 0)
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!------------------------------------------------------
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bnez P2L, .L20 !if yes,skip
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!------------------------------------------------------
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! d0 = 1 / d0;
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!------------------------------------------------------
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movi $r4, 1 !P1L <- 1
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divr P2L, $r4, $r4, P2L !$r9=1/d0,P1L=1%d0
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.L20:
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#ifndef __NDS32_PERF_EXT__
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smw.adm $r0, [$sp], $r5, 0
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move $r0, P2L
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bal __clzsi2
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move $r7, $r0
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lmw.bim $r0, [$sp], $r5, 0
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#else
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clz $r7, P2L
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#endif
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swi $r7,[$sp+(28)] ! store bm
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beqz $r7, .L28 ! if yes,skip
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!------------------------------------------------------
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! b = (4 * 8) - bm;
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! d0 = d0 << bm;
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! n2 = n1 >> b;
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! n1 = (n1 << bm) | (n0 >> b);
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! n0 = n0 << bm;
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! fudiv_qrnnd (&q1, &n1, n2, n1, d0);
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! }
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!------------------------------------------------------
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subri $r10, $r7, 32 !$r10 <- 32-bm=b
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srl $r4, P1L, $r10 !$r4 <- n0>>b
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sll $r5, P1H, $r7 !$r5 <- n1<<bm
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or $r5, $r5, $r4 !$r5 <- $r5|$r4=n1 !for fun
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sll P2L, P2L, $r7 !P2L <- d0<<bm=d0 !for fun
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sll P1L, P1L, $r7 !P1L <- n0<<bm=n0
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srl $r4, P1H, $r10 !$r4 <- n1>>b=n2 !for fun
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move $r6,P2L !for fun
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bal fudiv_qrnnd !caculate q1, n1
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swi $r7,[$sp+(36)] ! q1 store
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move P1H,$r8 ! n1 store
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move $r4,$r8 ! prepare for next fudiv_qrnnd()
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move $r5,P1L
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move $r6,P2L
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b .L29
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.L28:
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!------------------------------------------------------
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! else // bm != 0
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! {
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! n1 -= d0;
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! q1 = 1;
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!
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!------------------------------------------------------
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sub P1H, P1H, P2L !P1L <- n1-d0=n1
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movi $ta, 1 !
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swi $ta, [$sp+(36)] !1 -> [$sp+(36)]
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move $r4,P1H ! give fudiv_qrnnd args
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move $r5,P1L
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move $r6,P2L
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.L29:
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!------------------------------------------------------
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! fudiv_qrnnd (&q0, &n0, n1, n0, d0);
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!------------------------------------------------------
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bal fudiv_qrnnd !calcuate q0, n0
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swi $r7,[$sp+(32)] !q0 store
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move P1L,$r8 !n0
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.L19:
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!------------------------------------------------------
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! if (rp != 0)
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! {
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!------------------------------------------------------
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beqz $fp, .L31 !if yes,skip
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!------------------------------------------------------
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! rr.s.low = n0 >> bm;
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! rr.s.high = 0;
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! *rp = rr.ll;
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! }
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!------------------------------------------------------
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movi $r5, 0 !$r5 <- 0
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lwi $r7,[$sp+(28)] !load bm
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srl $r4, P1L, $r7 !$r4 <- n0>>bm
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swi $r4, [$fp+OFFSET_L] !r0 !$r4 -> [$sp+(48)]
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swi $r5, [$fp+OFFSET_H] !r1 !0 -> [$sp+(52)]
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b .L31
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.L9:
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!------------------------------------------------------
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! else # d1 == 0
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! {
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! if(d1 > n1)
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! {
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!------------------------------------------------------
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slt $ta, P1H, P2H !$ta <- n1<d1
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beqz $ta, .L32 !if yes,skip
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!------------------------------------------------------
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! q0 = 0;
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! q1 = 0;
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! if (rp != 0)
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! {
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!------------------------------------------------------
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movi $r5, 0 !$r5 <- 0
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swi $r5, [$sp+(32)] !q0 !0 -> [$sp+(40)]=q1
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swi $r5, [$sp+(36)] !q1 !0 -> [$sp+(32)]=q0
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beqz $fp, .L31 !if yes,skip
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!------------------------------------------------------
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! rr.s.low = n0;
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! rr.s.high = n1;
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! *rp = rr.ll;
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! }
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!------------------------------------------------------
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swi P1L, [$fp+OFFSET_L] !P1L -> [rp]
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swi P1H, [$fp+OFFSET_H] !P1H -> [rp+4]
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b .L31
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.L32:
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#ifndef __NDS32_PERF_EXT__
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smw.adm $r0, [$sp], $r5, 0
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move $r0, P2H
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bal __clzsi2
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move $r7, $r0
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lmw.bim $r0, [$sp], $r5, 0
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#else
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clz $r7,P2H
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#endif
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swi $r7,[$sp+(28)] !$r7=bm store
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beqz $r7, .L42 !if yes,skip
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!------------------------------------------------------
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! USItype m1, m0;
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! b = (4 * 8) - bm;
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! d1 = (d0 >> b) | (d1 << bm);
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! d0 = d0 << bm;
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! n2 = n1 >> b;
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! n1 = (n0 >> b) | (n1 << bm);
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! n0 = n0 << bm;
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! fudiv_qrnnd (&q0, &n1, n2, n1, d1);
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!------------------------------------------------------
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subri $r10, $r7, 32 !$r10 <- 32-bm=b
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srl $r5, P2L, $r10 !$r5 <- d0>>b
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sll $r6, P2H, $r7 !$r6 <- d1<<bm
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or $r6, $r5, $r6 !$r6 <- $r5|$r6=d1 !! func
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move P2H, $r6 !P2H <- d1
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srl $r4, P1H, $r10 !$r4 <- n1>>b=n2 !!! func
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srl $r8, P1L, $r10 !$r8 <- n0>>b !!$r8
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sll $r9, P1H, $r7 !$r9 <- n1<<bm
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or $r5, $r8, $r9 !$r5 <- $r8|$r9=n1 !func
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sll P2L, P2L, $r7 !P2L <- d0<<bm=d0
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sll P1L, P1L, $r7 !P1L <- n0<<bm=n0
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bal fudiv_qrnnd ! cal q0,n1
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swi $r7,[$sp+(32)]
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move P1H,$r8 ! fudiv_qrnnd (&q0, &n1, n2, n1, d1);
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move $r6, $r7 ! from func
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!----------------------------------------------------
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! #umul_ppmm (m1, m0, q0, d0);
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! do
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! { USItype __x0, __x1, __x2, __x3;
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! USItype __ul, __vl, __uh, __vh;
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! __ul = ((USItype) (q0) & (((USItype) 1 << ((4 * 8) / 2)) - 1));
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! __uh = ((USItype) (q0) >> ((4 * 8) / 2));
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! __vl = ((USItype) (d0) & (((USItype) 1 << ((4 * 8) / 2)) - 1));
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! __vh = ((USItype) (d0) >> ((4 * 8) / 2));
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! __x0 = (USItype) __ul * __vl;
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! __x1 = (USItype) __ul * __vh;
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! __x2 = (USItype) __uh * __vl;
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! __x3 = (USItype) __uh * __vh;
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! __x1 += ((USItype) (__x0) >> ((4 * 8) / 2));
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! __x1 += __x2;
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! if (__x1 < __x2)
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! __x3 += ((USItype) 1 << ((4 * 8) / 2));
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! (m1) = __x3 + ((USItype) (__x1) >> ((4 * 8) / 2));
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! (m0) = (USItype)(q0*d0);
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! }
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! if (m1 > n1)
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!---------------------------------------------------
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#ifdef __NDS32_ISA_V3M__
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!mulr64 $r4, P2L, $r6
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smw.adm $r0, [$sp], $r3, 0
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move P1L, P2L
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move P2L, $r6
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movi P1H, 0
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movi P2H, 0
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bal __muldi3
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movd44 $r4, $r0
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lmw.bim $r0, [$sp], $r3, 0
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move $r8, W6H
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move $r5, W6L
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#else
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mulr64 $r4, P2L, $r6
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move $r8, W6H
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move $r5, W6L
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#endif
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slt $ta, P1H, $r8 !$ta <- n1<m1
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bnez $ta, .L46 !if yes,skip
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!------------------------------------------------------
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! if(m1 == n1)
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!------------------------------------------------------
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bne $r8, P1H, .L45 !if yes,skip
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!------------------------------------------------------
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! if(m0 > n0)
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!------------------------------------------------------
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slt $ta, P1L, $r5 !$ta <- n0<m0
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beqz $ta, .L45 !if yes,skip
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.L46:
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!------------------------------------------------------
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! {
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! q0--;
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! # sub_ddmmss (m1, m0, m1, m0, d1, d0);
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! do
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! { USItype __x;
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! __x = (m0) - (d0);
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! (m1) = (m1) - (d1) - (__x > (m0));
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! (m0) = __x;
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! }
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! }
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!------------------------------------------------------
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sub $r4, $r5, P2L !$r4 <- m0-d0=__x
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addi $r6, $r6, -1 !$r6 <- q0--=q0
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sub $r8, $r8, P2H !$r8 <- m1-d1
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swi $r6, [$sp+(32)] ! q0 !$r6->[$sp+(32)]
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slt $ta, $r5, $r4 !$ta <- m0<__x
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sub $r8, $r8, $ta !$r8 <- P1H-P1L=m1
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move $r5, $r4 !$r5 <- __x=m0
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.L45:
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!------------------------------------------------------
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! q1 = 0;
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! if (rp != 0)
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! {
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!------------------------------------------------------
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movi $r4, 0 !$r4 <- 0
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swi $r4, [$sp+(36)] !0 -> [$sp+(40)]=q1
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beqz $fp, .L31 !if yes,skip
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!------------------------------------------------------
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! # sub_ddmmss (n1, n0, n1, n0, m1, m0);
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! do
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! { USItype __x;
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! __x = (n0) - (m0);
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! (n1) = (n1) - (m1) - (__x > (n0));
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! (n0) = __x;
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! }
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! rr.s.low = (n1 << b) | (n0 >> bm);
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! rr.s.high = n1 >> bm;
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! *rp = rr.ll;
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!------------------------------------------------------
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sub $r4, P1H, $r8 !$r4 <- n1-m1
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sub $r6, P1L, $r5 !$r6 <- n0-m0=__x=n0
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slt $ta, P1L, $r6 !$ta <- n0<__x
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sub P1H, $r4, $ta !P1H <- $r4-$ta=n1
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move P1L, $r6
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lwi $r7,[$sp+(28)] ! load bm
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subri $r10,$r7,32
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sll $r4, P1H, $r10 !$r4 <- n1<<b
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srl $r5, P1L, $r7 !$r5 <- __x>>bm
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or $r6, $r5, $r4 !$r6 <- $r5|$r4=rr.s.low
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srl $r8, P1H, $r7 !$r8 <- n1>>bm =rr.s.high
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swi $r6, [$fp+OFFSET_L] !
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swi $r8, [$fp+OFFSET_H] !
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b .L31
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.L42:
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!------------------------------------------------------
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! else
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! {
|
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! if(n1 > d1)
|
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!------------------------------------------------------
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|
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slt $ta, P2H, P1H !$ta <- P2H<P1H
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bnez $ta, .L52 !if yes,skip
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!------------------------------------------------------
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! if (n0 >= d0)
|
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!------------------------------------------------------
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|
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slt $ta, P1L, P2L !$ta <- P1L<P2L
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bnez $ta, .L51 !if yes,skip
|
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!------------------------------------------------------
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! q0 = 1;
|
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! do
|
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! { USItype __x;
|
|
! __x = (n0) - (d0);
|
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! (n1) = (n1) - (d1) - (__x > (n0));
|
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! (n0) = __x;
|
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! }
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!------------------------------------------------------
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.L52:
|
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sub $r4, P1H, P2H !$r4 <- P1H-P2H
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sub $r6, P1L, P2L !$r6 <- no-d0=__x=n0
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slt $ta, P1L, $r6 !$ta <- no<__x
|
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sub P1H, $r4, $ta !P1H <- $r4-$ta=n1
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move P1L, $r6 !n0
|
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movi $r5, 1 !
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swi $r5, [$sp+(32)] !1 -> [$sp+(32)]=q0
|
|
b .L54
|
|
.L51:
|
|
!------------------------------------------------------
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! q0 = 0;
|
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!------------------------------------------------------
|
|
|
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movi $r5,0
|
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swi $r5, [$sp+(32)] !$r5=0 -> [$sp+(32)]
|
|
.L54:
|
|
!------------------------------------------------------
|
|
! q1 = 0;
|
|
! if (rp != 0)
|
|
! {
|
|
!------------------------------------------------------
|
|
|
|
movi $r5, 0 !
|
|
swi $r5, [$sp+(36)] !0 -> [$sp+(36)]
|
|
beqz $fp, .L31
|
|
!------------------------------------------------------
|
|
! rr.s.low = n0;
|
|
! rr.s.high = n1;
|
|
! *rp = rr.ll;
|
|
! }
|
|
!------------------------------------------------------
|
|
|
|
swi P1L, [$fp+OFFSET_L] !remainder
|
|
swi P1H, [$fp+OFFSET_H] !
|
|
.L31:
|
|
!------------------------------------------------------
|
|
! const DWunion ww = {{.low = q0, .high = q1}};
|
|
! return ww.ll;
|
|
!}
|
|
!------------------------------------------------------
|
|
|
|
lwi P1L, [$sp+(32)] !quotient
|
|
lwi P1H, [$sp+(36)]
|
|
lmw.bim $r6, [$sp], $r10, 10
|
|
addi $sp, $sp, 12
|
|
ret
|
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.size __udivmoddi4, .-__udivmoddi4
|
|
#endif /* L_udivmoddi4 */
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|
|
|
|
|
|
|
#ifdef L_umodsi3
|
|
|
|
! =====================================================================
|
|
.text
|
|
.align 2
|
|
.globl __umodsi3
|
|
.type __umodsi3, @function
|
|
__umodsi3:
|
|
! ---------------------------------------------------------------------
|
|
!!res=udivmodsi4(a,b,1);
|
|
! if (den==0)
|
|
! return num;
|
|
! ---------------------------------------------------------------------
|
|
beqz $r1, .L1 ! if den==0, skip
|
|
! ---------------------------------------------------------------------
|
|
! bit=1;
|
|
! res=0;
|
|
! ---------------------------------------------------------------------
|
|
movi $r4, 1 ! $r4 <- bit=1
|
|
#ifndef __OPTIMIZE_SIZE__
|
|
.L6:
|
|
#endif
|
|
! ---------------------------------------------------------------------
|
|
! while (den<num
|
|
! ---------------------------------------------------------------------
|
|
slt $ta, $r1, $r0 ! $ta <- den<num?
|
|
beqz $ta, .L5 ! if no, skip
|
|
! ---------------------------------------------------------------------
|
|
! &&bit&&!(den&(1L<<31)))
|
|
! ---------------------------------------------------------------------
|
|
bltz $r1, .L5 ! if den<0, skip
|
|
! ---------------------------------------------------------------------
|
|
! { den<<=1;
|
|
! bit<<=1;
|
|
! }
|
|
! ---------------------------------------------------------------------
|
|
#if defined (__OPTIMIZE_SIZE__) && ! defined (__NDS32_ISA_V3M__)
|
|
clz $r3, $r1 ! $r3 <- leading zero count for den
|
|
clz $ta, $r0 ! $ta <- leading zero count for num
|
|
sub $r3, $r3, $ta ! $r3 <- number of bits to shift
|
|
sll $r1, $r1, $r3 ! $r1 <- den
|
|
sll $r4, $r4, $r3 ! $r2 <- bit
|
|
#else
|
|
slli $r1, $r1, 1 ! $r1 <- den<<=1
|
|
slli $r4, $r4, 1 ! $r4 <- bit<<=1
|
|
b .L6 ! continue loop
|
|
#endif
|
|
.L5:
|
|
! ---------------------------------------------------------------------
|
|
! while (bit)
|
|
! { if (num>=den)
|
|
! { num-=den;
|
|
! res|=bit;
|
|
! }
|
|
! bit>>=1;
|
|
! den>>=1;
|
|
! }
|
|
!!if (modwanted)
|
|
!! return num;
|
|
!!return res;
|
|
! ---------------------------------------------------------------------
|
|
sub $r2, $r0, $r1 ! $r2 <- num-den
|
|
slt $ta, $r0, $r1 ! $ta <- num<den?
|
|
srli $r4, $r4, 1 ! $r4 <- bit>>=1
|
|
cmovz $r0, $r2, $ta ! $r0 <- num=(num<den)?num:num-den
|
|
srli $r1, $r1, 1 ! $r1 <- den>>=1
|
|
bnez $r4, .L5 ! if bit!=0, continue loop
|
|
.L1:
|
|
! ---------------------------------------------------------------------
|
|
! return res;
|
|
! ---------------------------------------------------------------------
|
|
ret
|
|
.size __umodsi3, .-__umodsi3
|
|
#endif /* L_umodsi3 */
|
|
|
|
|
|
|
|
#ifdef L_umoddi3
|
|
|
|
!--------------------------------------
|
|
#ifdef __big_endian__
|
|
#define V1H $r0
|
|
#define V1L $r1
|
|
#define V2H $r2
|
|
#define V2L $r3
|
|
#else
|
|
#define V1H $r1
|
|
#define V1L $r0
|
|
#define V2H $r3
|
|
#define V2L $r2
|
|
#endif
|
|
!--------------------------------------
|
|
.text
|
|
.align 2
|
|
.globl __umoddi3
|
|
.type __umoddi3, @function
|
|
__umoddi3:
|
|
! prologue
|
|
addi $sp, $sp, -12
|
|
swi $lp, [$sp+(0)]
|
|
! end of prologue
|
|
addi $r4, $sp, 4
|
|
bal __udivmoddi4
|
|
lwi $r0, [$sp+(4)] ! __udivmoddi4 return low when LE mode or return high when BE mode
|
|
lwi $r1, [$sp+(8)] !
|
|
.L82:
|
|
! epilogue
|
|
lwi $lp, [$sp+(0)]
|
|
addi $sp, $sp, 12
|
|
ret
|
|
.size __umoddi3, .-__umoddi3
|
|
#endif /* L_umoddi3 */
|
|
|
|
|
|
|
|
#ifdef L_muldi3
|
|
|
|
#ifdef __big_endian__
|
|
#define P1H $r0
|
|
#define P1L $r1
|
|
#define P2H $r2
|
|
#define P2L $r3
|
|
|
|
#define V2H $r4
|
|
#define V2L $r5
|
|
#else
|
|
#define P1H $r1
|
|
#define P1L $r0
|
|
#define P2H $r3
|
|
#define P2L $r2
|
|
|
|
#define V2H $r5
|
|
#define V2L $r4
|
|
#endif
|
|
|
|
! ====================================================================
|
|
.text
|
|
.align 2
|
|
.globl __muldi3
|
|
.type __muldi3, @function
|
|
__muldi3:
|
|
! parameter passing for libgcc functions normally involves 2 doubles
|
|
!---------------------------------------
|
|
#ifdef __NDS32_ISA_V3M__
|
|
! There is no mulr64 instruction in Andes ISA V3M.
|
|
! So we must provide a sequence of calculations to complete the job.
|
|
smw.adm $r6, [$sp], $r9, 0x0
|
|
zeh33 $r4, P1L
|
|
srli $r7, P1L, 16
|
|
zeh33 $r5, P2L
|
|
mul $r6, $r5, $r4
|
|
mul33 $r5, $r7
|
|
srli $r8, P2L, 16
|
|
mov55 $r9, $r5
|
|
maddr32 $r9, $r8, $r4
|
|
srli $r4, $r6, 16
|
|
add $r4, $r9, $r4
|
|
slt45 $r4, $r5
|
|
slli $r5, $r15, 16
|
|
maddr32 $r5, $r8, $r7
|
|
mul P2L, P1H, P2L
|
|
srli $r7, $r4, 16
|
|
maddr32 P2L, P2H, P1L
|
|
add333 P1H, $r5, $r7
|
|
slli $r4, $r4, 16
|
|
zeh33 $r6, $r6
|
|
add333 P1L, $r4, $r6
|
|
add333 P1H, P2L, P1H
|
|
lmw.bim $r6, [$sp], $r9, 0x0
|
|
ret
|
|
#else /* not __NDS32_ISA_V3M__ */
|
|
mul $ta, P1L, P2H
|
|
mulr64 $r4, P1L, P2L
|
|
maddr32 $ta, P1H, P2L
|
|
move P1L, V2L
|
|
add P1H, $ta, V2H
|
|
ret
|
|
#endif /* not __NDS32_ISA_V3M__ */
|
|
.size __muldi3, .-__muldi3
|
|
#endif /* L_muldi3 */
|
|
|
|
|
|
|
|
#ifdef L_addsub_df
|
|
|
|
#ifndef __big_endian__
|
|
#define P1L $r0
|
|
#define P1H $r1
|
|
#define P2L $r2
|
|
#define P2H $r3
|
|
#define P3L $r4
|
|
#define P3H $r5
|
|
#define O1L $r7
|
|
#define O1H $r8
|
|
#else
|
|
#define P1H $r0
|
|
#define P1L $r1
|
|
#define P2H $r2
|
|
#define P2L $r3
|
|
#define P3H $r4
|
|
#define P3L $r5
|
|
#define O1H $r7
|
|
#define O1L $r8
|
|
#endif
|
|
.text
|
|
.align 2
|
|
.global __subdf3
|
|
.type __subdf3, @function
|
|
__subdf3:
|
|
push $lp
|
|
pushm $r6, $r10
|
|
|
|
move $r4, #0x80000000
|
|
xor P2H, P2H, $r4
|
|
|
|
j .Lsdpadd
|
|
|
|
.global __adddf3
|
|
.type __adddf3, @function
|
|
__adddf3:
|
|
push $lp
|
|
pushm $r6, $r10
|
|
.Lsdpadd:
|
|
slli $r6, P1H, #1
|
|
srli $r6, $r6, #21
|
|
slli P3H, P1H, #11
|
|
srli $r10, P1L, #21
|
|
or P3H, P3H, $r10
|
|
slli P3L, P1L, #11
|
|
move O1L, #0x80000000
|
|
or P3H, P3H, O1L
|
|
slli $r9, P2H, #1
|
|
srli $r9, $r9, #21
|
|
slli O1H, P2H, #11
|
|
srli $r10, P2L, #21
|
|
or O1H, O1H, $r10
|
|
or O1H, O1H, O1L
|
|
slli O1L, P2L, #11
|
|
|
|
addi $r10, $r6, #-1
|
|
slti $r15, $r10, #0x7fe
|
|
beqzs8 .LEspecA
|
|
|
|
.LElab1:
|
|
addi $r10, $r9, #-1
|
|
slti $r15, $r10, #0x7fe
|
|
beqzs8 .LEspecB
|
|
|
|
.LElab2:
|
|
#NORMd($r4, P2L, P1L)
|
|
bnez P3H, .LL1
|
|
bnez P3L, .LL2
|
|
move $r6, #0
|
|
j .LL3
|
|
.LL2:
|
|
move P3H, P3L
|
|
move P3L, #0
|
|
move P2L, #32
|
|
sub $r6, $r6, P2L
|
|
.LL1:
|
|
#ifndef __big_endian__
|
|
#ifdef __NDS32_PERF_EXT__
|
|
clz $r2, $r5
|
|
#else
|
|
pushm $r0, $r1
|
|
pushm $r3, $r5
|
|
move $r0, $r5
|
|
bal __clzsi2
|
|
move $r2, $r0
|
|
popm $r3, $r5
|
|
popm $r0, $r1
|
|
#endif
|
|
#else /* __big_endian__ */
|
|
#ifdef __NDS32_PERF_EXT__
|
|
clz $r3, $r4
|
|
#else
|
|
pushm $r0, $r2
|
|
pushm $r4, $r5
|
|
move $r0, $r4
|
|
bal __clzsi2
|
|
move $r3, $r0
|
|
popm $r4, $r5
|
|
popm $r0, $r2
|
|
#endif
|
|
#endif /* __big_endian__ */
|
|
beqz P2L, .LL3
|
|
sub $r6, $r6, P2L
|
|
subri P1L, P2L, #32
|
|
srl P1L, P3L, P1L
|
|
sll P3L, P3L, P2L
|
|
sll P3H, P3H, P2L
|
|
or P3H, P3H, P1L
|
|
.LL3:
|
|
#NORMd End
|
|
|
|
#NORMd($r7, P2L, P1L)
|
|
bnez O1H, .LL4
|
|
bnez O1L, .LL5
|
|
move $r9, #0
|
|
j .LL6
|
|
.LL5:
|
|
move O1H, O1L
|
|
move O1L, #0
|
|
move P2L, #32
|
|
sub $r9, $r9, P2L
|
|
.LL4:
|
|
#ifndef __big_endian__
|
|
#ifdef __NDS32_PERF_EXT__
|
|
clz $r2, O1H
|
|
#else
|
|
pushm $r0, $r1
|
|
pushm $r3, $r5
|
|
move $r0, O1H
|
|
bal __clzsi2
|
|
move $r2, $r0
|
|
popm $r3, $r5
|
|
popm $r0, $r1
|
|
#endif
|
|
#else /* __big_endian__ */
|
|
#ifdef __NDS32_PERF_EXT__
|
|
clz $r3, O1H
|
|
#else
|
|
pushm $r0, $r2
|
|
pushm $r4, $r5
|
|
move $r0, O1H
|
|
bal __clzsi2
|
|
move $r3, $r0
|
|
popm $r4, $r5
|
|
popm $r0, $r2
|
|
#endif
|
|
#endif /* __big_endian__ */
|
|
beqz P2L, .LL6
|
|
sub $r9, $r9, P2L
|
|
subri P1L, P2L, #32
|
|
srl P1L, O1L, P1L
|
|
sll O1L, O1L, P2L
|
|
sll O1H, O1H, P2L
|
|
or O1H, O1H, P1L
|
|
.LL6:
|
|
#NORMd End
|
|
|
|
move $r10, #0x80000000
|
|
and P1H, P1H, $r10
|
|
|
|
beq $r6, $r9, .LEadd3
|
|
slts $r15, $r9, $r6
|
|
beqzs8 .Li1
|
|
sub $r9, $r6, $r9
|
|
move P2L, #0
|
|
.LL7:
|
|
move $r10, #0x20
|
|
slt $r15, $r9, $r10
|
|
bnezs8 .LL8
|
|
or P2L, P2L, O1L
|
|
move O1L, O1H
|
|
move O1H, #0
|
|
addi $r9, $r9, #0xffffffe0
|
|
bnez O1L, .LL7
|
|
.LL8:
|
|
beqz $r9, .LEadd3
|
|
move P1L, O1H
|
|
move $r10, O1L
|
|
srl O1L, O1L, $r9
|
|
srl O1H, O1H, $r9
|
|
subri $r9, $r9, #0x20
|
|
sll P1L, P1L, $r9
|
|
or O1L, O1L, P1L
|
|
sll $r10, $r10, $r9
|
|
or P2L, P2L, $r10
|
|
beqz P2L, .LEadd3
|
|
ori O1L, O1L, #1
|
|
j .LEadd3
|
|
.Li1:
|
|
move $r15, $r6
|
|
move $r6, $r9
|
|
sub $r9, $r9, $r15
|
|
move P2L, #0
|
|
.LL10:
|
|
move $r10, #0x20
|
|
slt $r15, $r9, $r10
|
|
bnezs8 .LL11
|
|
or P2L, P2L, P3L
|
|
move P3L, P3H
|
|
move P3H, #0
|
|
addi $r9, $r9, #0xffffffe0
|
|
bnez P3L, .LL10
|
|
.LL11:
|
|
beqz $r9, .LEadd3
|
|
move P1L, P3H
|
|
move $r10, P3L
|
|
srl P3L, P3L, $r9
|
|
srl P3H, P3H, $r9
|
|
subri $r9, $r9, #0x20
|
|
sll P1L, P1L, $r9
|
|
or P3L, P3L, P1L
|
|
sll $r10, $r10, $r9
|
|
or P2L, P2L, $r10
|
|
beqz P2L, .LEadd3
|
|
ori P3L, P3L, #1
|
|
|
|
.LEadd3:
|
|
xor $r10, P1H, P2H
|
|
sltsi $r15, $r10, #0
|
|
bnezs8 .LEsub1
|
|
|
|
#ADD(P3L, O1L)
|
|
add P3L, P3L, O1L
|
|
slt $r15, P3L, O1L
|
|
|
|
#ADDCC(P3H, O1H)
|
|
beqzs8 .LL13
|
|
add P3H, P3H, O1H
|
|
slt $r15, P3H, O1H
|
|
beqzs8 .LL14
|
|
addi P3H, P3H, #0x1
|
|
j .LL15
|
|
.LL14:
|
|
move $r15, #1
|
|
add P3H, P3H, $r15
|
|
slt $r15, P3H, $r15
|
|
j .LL15
|
|
.LL13:
|
|
add P3H, P3H, O1H
|
|
slt $r15, P3H, O1H
|
|
.LL15:
|
|
|
|
beqzs8 .LEres
|
|
andi $r10, P3L, #1
|
|
beqz $r10, .Li3
|
|
ori P3L, P3L, #2
|
|
.Li3:
|
|
srli P3L, P3L, #1
|
|
slli $r10, P3H, #31
|
|
or P3L, P3L, $r10
|
|
srli P3H, P3H, #1
|
|
move $r10, #0x80000000
|
|
or P3H, P3H, $r10
|
|
addi $r6, $r6, #1
|
|
subri $r15, $r6, #0x7ff
|
|
bnezs8 .LEres
|
|
move $r10, #0x7ff00000
|
|
or P1H, P1H, $r10
|
|
move P1L, #0
|
|
j .LEretA
|
|
|
|
.LEsub1:
|
|
#SUB(P3L, O1L)
|
|
move $r15, P3L
|
|
sub P3L, P3L, O1L
|
|
slt $r15, $r15, P3L
|
|
|
|
#SUBCC(P3H, O1H)
|
|
beqzs8 .LL16
|
|
move $r15, P3H
|
|
sub P3H, P3H, O1H
|
|
slt $r15, $r15, P3H
|
|
beqzs8 .LL17
|
|
subi333 P3H, P3H, #1
|
|
j .LL18
|
|
.LL17:
|
|
move $r15, P3H
|
|
subi333 P3H, P3H, #1
|
|
slt $r15, $r15, P3H
|
|
j .LL18
|
|
.LL16:
|
|
move $r15, P3H
|
|
sub P3H, P3H, O1H
|
|
slt $r15, $r15, P3H
|
|
.LL18:
|
|
|
|
beqzs8 .Li5
|
|
move $r10, #0x80000000
|
|
xor P1H, P1H, $r10
|
|
|
|
subri P3H, P3H, #0
|
|
beqz P3L, .LL19
|
|
subri P3L, P3L, #0
|
|
subi45 P3H, #1
|
|
.LL19:
|
|
|
|
.Li5:
|
|
#NORMd($r4, $r9, P1L)
|
|
bnez P3H, .LL20
|
|
bnez P3L, .LL21
|
|
move $r6, #0
|
|
j .LL22
|
|
.LL21:
|
|
move P3H, P3L
|
|
move P3L, #0
|
|
move $r9, #32
|
|
sub $r6, $r6, $r9
|
|
.LL20:
|
|
#ifdef __NDS32_PERF_EXT__
|
|
clz $r9, P3H
|
|
#else
|
|
pushm $r0, $r5
|
|
move $r0, P3H
|
|
bal __clzsi2
|
|
move $r9, $r0
|
|
popm $r0, $r5
|
|
#endif
|
|
beqz $r9, .LL22
|
|
sub $r6, $r6, $r9
|
|
subri P1L, $r9, #32
|
|
srl P1L, P3L, P1L
|
|
sll P3L, P3L, $r9
|
|
sll P3H, P3H, $r9
|
|
or P3H, P3H, P1L
|
|
.LL22:
|
|
#NORMd End
|
|
|
|
or $r10, P3H, P3L
|
|
bnez $r10, .LEres
|
|
move P1H, #0
|
|
|
|
.LEres:
|
|
blez $r6, .LEund
|
|
|
|
.LElab8:
|
|
#ADD(P3L, $0x400)
|
|
move $r15, #0x400
|
|
add P3L, P3L, $r15
|
|
slt $r15, P3L, $r15
|
|
|
|
#ADDCC(P3H, $0x0)
|
|
beqzs8 .LL25
|
|
add P3H, P3H, $r15
|
|
slt $r15, P3H, $r15
|
|
.LL25:
|
|
|
|
#ADDC($r6, $0x0)
|
|
add $r6, $r6, $r15
|
|
srli $r10, P3L, #11
|
|
andi $r10, $r10, #1
|
|
sub P3L, P3L, $r10
|
|
srli P1L, P3L, #11
|
|
slli $r10, P3H, #21
|
|
or P1L, P1L, $r10
|
|
slli $r10, P3H, #1
|
|
srli $r10, $r10, #12
|
|
or P1H, P1H, $r10
|
|
slli $r10, $r6, #20
|
|
or P1H, P1H, $r10
|
|
|
|
.LEretA:
|
|
.LE999:
|
|
popm $r6, $r10
|
|
pop $lp
|
|
ret5 $lp
|
|
|
|
.LEspecA:
|
|
#ADD(P3L, P3L)
|
|
move $r15, P3L
|
|
add P3L, P3L, P3L
|
|
slt $r15, P3L, $r15
|
|
|
|
#ADDC(P3H, P3H)
|
|
add P3H, P3H, P3H
|
|
add P3H, P3H, $r15
|
|
bnez $r6, .Li7
|
|
or $r10, P3H, P3L
|
|
beqz $r10, .Li8
|
|
j .LElab1
|
|
.Li8:
|
|
subri $r15, $r9, #0x7ff
|
|
beqzs8 .LEspecB
|
|
add P3L, P2H, P2H
|
|
or $r10, P3L, P2L
|
|
bnez $r10, .LEretB
|
|
sltsi $r15, P2H, #0
|
|
bnezs8 .LEretA
|
|
|
|
.LEretB:
|
|
move P1L, P2L
|
|
move P1H, P2H
|
|
j .LE999
|
|
.Li7:
|
|
or $r10, P3H, P3L
|
|
bnez $r10, .LEnan
|
|
subri $r15, $r9, #0x7ff
|
|
bnezs8 .LEretA
|
|
xor $r10, P1H, P2H
|
|
sltsi $r15, $r10, #0
|
|
bnezs8 .LEnan
|
|
j .LEretB
|
|
|
|
.LEspecB:
|
|
#ADD(O1L, O1L)
|
|
move $r15, O1L
|
|
add O1L, O1L, O1L
|
|
slt $r15, O1L, $r15
|
|
|
|
#ADDC(O1H, O1H)
|
|
add O1H, O1H, O1H
|
|
add O1H, O1H, $r15
|
|
bnez $r9, .Li11
|
|
or $r10, O1H, O1L
|
|
beqz $r10, .LEretA
|
|
j .LElab2
|
|
.Li11:
|
|
or $r10, O1H, O1L
|
|
beqz $r10, .LEretB
|
|
|
|
.LEnan:
|
|
move P1H, #0xfff80000
|
|
move P1L, #0
|
|
j .LEretA
|
|
|
|
.LEund:
|
|
subri $r9, $r6, #1
|
|
move P2L, #0
|
|
.LL26:
|
|
move $r10, #0x20
|
|
slt $r15, $r9, $r10
|
|
bnezs8 .LL27
|
|
or P2L, P2L, P3L
|
|
move P3L, P3H
|
|
move P3H, #0
|
|
addi $r9, $r9, #0xffffffe0
|
|
bnez P3L, .LL26
|
|
.LL27:
|
|
beqz $r9, .LL28
|
|
move P1L, P3H
|
|
move $r10, P3L
|
|
srl P3L, P3L, $r9
|
|
srl P3H, P3H, $r9
|
|
subri $r9, $r9, #0x20
|
|
sll P1L, P1L, $r9
|
|
or P3L, P3L, P1L
|
|
sll $r10, $r10, $r9
|
|
or P2L, P2L, $r10
|
|
beqz P2L, .LL28
|
|
ori P3L, P3L, #1
|
|
.LL28:
|
|
move $r6, #0
|
|
j .LElab8
|
|
.size __subdf3, .-__subdf3
|
|
.size __adddf3, .-__adddf3
|
|
#endif /* L_addsub_df */
|
|
|
|
|
|
|
|
#ifdef L_mul_sf
|
|
|
|
#if !defined (__big_endian__)
|
|
#define P1L $r0
|
|
#define P1H $r1
|
|
#define P2L $r2
|
|
#define P2H $r3
|
|
#else
|
|
#define P1H $r0
|
|
#define P1L $r1
|
|
#define P2H $r2
|
|
#define P2L $r3
|
|
#endif
|
|
.text
|
|
.align 2
|
|
.global __mulsf3
|
|
.type __mulsf3, @function
|
|
__mulsf3:
|
|
push $lp
|
|
pushm $r6, $r10
|
|
|
|
srli $r3, $r0, #23
|
|
andi $r3, $r3, #0xff
|
|
srli $r5, $r1, #23
|
|
andi $r5, $r5, #0xff
|
|
move $r6, #0x80000000
|
|
slli $r2, $r0, #8
|
|
or $r2, $r2, $r6
|
|
slli $r4, $r1, #8
|
|
or $r4, $r4, $r6
|
|
xor $r8, $r0, $r1
|
|
and $r6, $r6, $r8
|
|
|
|
addi $r8, $r3, #-1
|
|
slti $r15, $r8, #0xfe
|
|
beqzs8 .LFspecA
|
|
|
|
.LFlab1:
|
|
addi $r8, $r5, #-1
|
|
slti $r15, $r8, #0xfe
|
|
beqzs8 .LFspecB
|
|
|
|
.LFlab2:
|
|
move $r10, $r3
|
|
/* This is a 64-bit multiple. ($r2, $r7) is (high, low). */
|
|
#ifndef __NDS32_ISA_V3M__
|
|
mulr64 $r2, $r2, $r4
|
|
#else
|
|
pushm $r0, $r1
|
|
pushm $r4, $r5
|
|
move P1L, $r2
|
|
movi P1H, #0
|
|
move P2L, $r4
|
|
movi P2H, #0
|
|
bal __muldi3
|
|
movd44 $r2, $r0
|
|
popm $r4, $r5
|
|
popm $r0, $r1
|
|
#endif
|
|
#ifndef __big_endian__
|
|
move $r7, $r2
|
|
move $r2, $r3
|
|
#else
|
|
move $r7, $r3
|
|
#endif
|
|
move $r3, $r10
|
|
|
|
beqz $r7, .Li17
|
|
ori $r2, $r2, #1
|
|
|
|
.Li17:
|
|
sltsi $r15, $r2, #0
|
|
bnezs8 .Li18
|
|
slli $r2, $r2, #1
|
|
addi $r3, $r3, #-1
|
|
.Li18:
|
|
addi $r8, $r5, #0xffffff82
|
|
add $r3, $r3, $r8
|
|
addi $r8, $r3, #-1
|
|
slti $r15, $r8, #0xfe
|
|
beqzs8 .LFoveund
|
|
|
|
.LFlab8:
|
|
#ADD($r2, $0x80)
|
|
move $r15, #0x80
|
|
add $r2, $r2, $r15
|
|
slt $r15, $r2, $r15
|
|
|
|
#ADDC($r3, $0x0)
|
|
add $r3, $r3, $r15
|
|
srli $r8, $r2, #8
|
|
andi $r8, $r8, #1
|
|
sub $r2, $r2, $r8
|
|
slli $r2, $r2, #1
|
|
srli $r2, $r2, #9
|
|
slli $r8, $r3, #23
|
|
or $r2, $r2, $r8
|
|
or $r0, $r2, $r6
|
|
|
|
.LF999:
|
|
popm $r6, $r10
|
|
pop $lp
|
|
ret5 $lp
|
|
|
|
.LFspecA:
|
|
bnez $r3, .Li19
|
|
add $r2, $r2, $r2
|
|
beqz $r2, .Li20
|
|
#ifdef __NDS32_PERF_EXT__
|
|
clz $r7, $r2
|
|
#else
|
|
pushm $r0, $r5
|
|
move $r0, $r2
|
|
bal __clzsi2
|
|
move $r7, $r0
|
|
popm $r0, $r5
|
|
#endif
|
|
sub $r3, $r3, $r7
|
|
sll $r2, $r2, $r7
|
|
j .LFlab1
|
|
.Li20:
|
|
subri $r15, $r5, #0xff
|
|
beqzs8 .LFnan
|
|
j .LFzer
|
|
.Li19:
|
|
add $r8, $r2, $r2
|
|
bnez $r8, .LFnan
|
|
bnez $r5, .Li21
|
|
add $r8, $r4, $r4
|
|
beqz $r8, .LFnan
|
|
.Li21:
|
|
subri $r15, $r5, #0xff
|
|
bnezs8 .LFinf
|
|
|
|
.LFspecB:
|
|
bnez $r5, .Li22
|
|
add $r4, $r4, $r4
|
|
beqz $r4, .LFzer
|
|
#ifdef __NDS32_PERF_EXT__
|
|
clz $r7, $r4
|
|
#else
|
|
pushm $r0, $r5
|
|
move $r0, $r4
|
|
bal __clzsi2
|
|
move $r7, $r0
|
|
popm $r0, $r5
|
|
#endif
|
|
sub $r5, $r5, $r7
|
|
sll $r4, $r4, $r7
|
|
j .LFlab2
|
|
|
|
.LFzer:
|
|
move $r0, $r6
|
|
j .LF999
|
|
.Li22:
|
|
add $r8, $r4, $r4
|
|
bnez $r8, .LFnan
|
|
|
|
.LFinf:
|
|
move $r8, #0x7f800000
|
|
or $r0, $r6, $r8
|
|
j .LF999
|
|
|
|
.LFnan:
|
|
move $r0, #0xffc00000
|
|
j .LF999
|
|
|
|
.LFoveund:
|
|
bgtz $r3, .LFinf
|
|
subri $r7, $r3, #1
|
|
slti $r15, $r7, #0x20
|
|
beqzs8 .LFzer
|
|
subri $r8, $r7, #0x20
|
|
sll $r3, $r2, $r8
|
|
srl $r2, $r2, $r7
|
|
beqz $r3, .Li25
|
|
ori $r2, $r2, #2
|
|
.Li25:
|
|
move $r3, #0
|
|
addi $r8, $r2, #0x80
|
|
sltsi $r15, $r8, #0
|
|
beqzs8 .LFlab8
|
|
move $r3, #1
|
|
j .LFlab8
|
|
.size __mulsf3, .-__mulsf3
|
|
#endif /* L_mul_sf */
|
|
|
|
|
|
|
|
#ifdef L_mul_df
|
|
|
|
#ifndef __big_endian__
|
|
#define P1L $r0
|
|
#define P1H $r1
|
|
#define P2L $r2
|
|
#define P2H $r3
|
|
#define P3L $r4
|
|
#define P3H $r5
|
|
#define O1L $r7
|
|
#define O1H $r8
|
|
#else
|
|
#define P1H $r0
|
|
#define P1L $r1
|
|
#define P2H $r2
|
|
#define P2L $r3
|
|
#define P3H $r4
|
|
#define P3L $r5
|
|
#define O1H $r7
|
|
#define O1L $r8
|
|
#endif
|
|
.text
|
|
.align 2
|
|
.global __muldf3
|
|
.type __muldf3, @function
|
|
__muldf3:
|
|
push $lp
|
|
pushm $r6, $r10
|
|
|
|
slli $r6, P1H, #1
|
|
srli $r6, $r6, #21
|
|
slli P3H, P1H, #11
|
|
srli $r10, P1L, #21
|
|
or P3H, P3H, $r10
|
|
slli P3L, P1L, #11
|
|
move O1L, #0x80000000
|
|
or P3H, P3H, O1L
|
|
slli $r9, P2H, #1
|
|
srli $r9, $r9, #21
|
|
slli O1H, P2H, #11
|
|
srli $r10, P2L, #21
|
|
or O1H, O1H, $r10
|
|
or O1H, O1H, O1L
|
|
xor P1H, P1H, P2H
|
|
and P1H, P1H, O1L
|
|
slli O1L, P2L, #11
|
|
|
|
addi $r10, $r6, #-1
|
|
slti $r15, $r10, #0x7fe
|
|
beqzs8 .LFspecA
|
|
|
|
.LFlab1:
|
|
addi $r10, $r9, #-1
|
|
slti $r15, $r10, #0x7fe
|
|
beqzs8 .LFspecB
|
|
|
|
.LFlab2:
|
|
addi $r10, $r9, #0xfffffc02
|
|
add $r6, $r6, $r10
|
|
|
|
move $r10, $r8
|
|
/* This is a 64-bit multiple. */
|
|
#ifndef __big_endian__
|
|
/* For little endian: ($r9, $r3) is (high, low). */
|
|
#ifndef __NDS32_ISA_V3M__
|
|
mulr64 $r8, $r5, $r8
|
|
#else
|
|
pushm $r0, $r5
|
|
move $r0, $r5
|
|
movi $r1, #0
|
|
move $r2, $r8
|
|
movi $r3, #0
|
|
bal __muldi3
|
|
movd44 $r8, $r0
|
|
popm $r0, $r5
|
|
#endif
|
|
move $r3, $r8
|
|
#else /* __big_endian__ */
|
|
/* For big endain: ($r9, $r2) is (high, low). */
|
|
#ifndef __NDS32_ISA_V3M__
|
|
mulr64 $r8, $r4, $r7
|
|
#else
|
|
pushm $r0, $r5
|
|
move $r1, $r4
|
|
movi $r0, #0
|
|
move $r3, $r7
|
|
movi $r2, #0
|
|
bal __muldi3
|
|
movd44 $r8, $r0
|
|
popm $r0, $r5
|
|
#endif
|
|
move $r2, $r9
|
|
move $r9, $r8
|
|
#endif /* __big_endian__ */
|
|
move $r8, $r10
|
|
|
|
move $r10, P1H
|
|
/* This is a 64-bit multiple. */
|
|
#ifndef __big_endian__
|
|
/* For little endian: ($r0, $r2) is (high, low). */
|
|
#ifndef __NDS32_ISA_V3M__
|
|
mulr64 $r0, $r4, $r8
|
|
#else
|
|
pushm $r2, $r5
|
|
move $r0, $r4
|
|
movi $r1, #0
|
|
move $r2, $r8
|
|
movi $r3, #0
|
|
bal __muldi3
|
|
popm $r2, $r5
|
|
#endif
|
|
move $r2, $r0
|
|
move $r0, $r1
|
|
#else /* __big_endian__ */
|
|
/* For big endain: ($r1, $r3) is (high, low). */
|
|
#ifndef __NDS32_ISA_V3M__
|
|
mulr64 $r0, $r5, $r7
|
|
#else
|
|
pushm $r2, $r5
|
|
move $r1, $r5
|
|
movi $r0, #0
|
|
move $r3, $r7
|
|
movi $r2, #0
|
|
bal __muldi3
|
|
popm $r2, $r5
|
|
#endif
|
|
move $r3, $r1
|
|
move $r1, $r0
|
|
#endif /* __big_endian__ */
|
|
move P1H, $r10
|
|
|
|
#ADD(P2H, P1L)
|
|
add P2H, P2H, P1L
|
|
slt $r15, P2H, P1L
|
|
|
|
#ADDC($r9, $0x0)
|
|
add $r9, $r9, $r15
|
|
|
|
move $r10, P1H
|
|
/* This is a 64-bit multiple. */
|
|
#ifndef __big_endian__
|
|
/* For little endian: ($r0, $r8) is (high, low). */
|
|
#ifndef __NDS32_ISA_V3M__
|
|
mulr64 $r0, $r5, $r7
|
|
#else
|
|
pushm $r2, $r5
|
|
move $r0, $r5
|
|
movi $r1, #0
|
|
move $r2, $r7
|
|
movi $r3, #0
|
|
bal __muldi3
|
|
popm $r2, $r5
|
|
#endif
|
|
move $r8, $r0
|
|
move $r0, $r1
|
|
#else /* __big_endian__ */
|
|
/* For big endian: ($r1, $r7) is (high, low). */
|
|
#ifndef __NDS32_ISA_V3M__
|
|
mulr64 $r0, $r4, $r8
|
|
#else
|
|
pushm $r2, $r5
|
|
move $r1, $r4
|
|
movi $r0, #0
|
|
move $r3, $r8
|
|
movi $r2, #0
|
|
bal __muldi3
|
|
popm $r2, $r5
|
|
#endif
|
|
move $r7, $r1
|
|
move $r1, $r0
|
|
#endif /* __big_endian__ */
|
|
move P1H, $r10
|
|
|
|
#ADD(P2L, O1H)
|
|
add P2L, P2L, O1H
|
|
slt $r15, P2L, O1H
|
|
|
|
|
|
#ADDCC(P2H, P1L)
|
|
beqzs8 .LL29
|
|
add P2H, P2H, P1L
|
|
slt $r15, P2H, P1L
|
|
beqzs8 .LL30
|
|
addi P2H, P2H, #0x1
|
|
j .LL31
|
|
.LL30:
|
|
move $r15, #1
|
|
add P2H, P2H, $r15
|
|
slt $r15, P2H, $r15
|
|
j .LL31
|
|
.LL29:
|
|
add P2H, P2H, P1L
|
|
slt $r15, P2H, P1L
|
|
.LL31:
|
|
|
|
#ADDC($r9, $0x0)
|
|
add $r9, $r9, $r15
|
|
|
|
/* This is a 64-bit multiple. */
|
|
#ifndef __big_endian__
|
|
/* For little endian: ($r8, $r0) is (high, low). */
|
|
move $r10, $r9
|
|
#ifndef __NDS32_ISA_V3M__
|
|
mulr64 $r8, $r4, $r7
|
|
#else
|
|
pushm $r0, $r5
|
|
move $r0, $r4
|
|
movi $r1, #0
|
|
move $r2, $r7
|
|
movi $r3, #0
|
|
bal __muldi3
|
|
movd44 $r8, $r0
|
|
popm $r0, $r5
|
|
#endif
|
|
move $r0, $r8
|
|
move $r8, $r9
|
|
move $r9, $r10
|
|
#else /* __big_endian__ */
|
|
/* For big endian: ($r7, $r1) is (high, low). */
|
|
move $r10, $r6
|
|
#ifndef __NDS32_ISA_V3M__
|
|
mulr64 $r6, $r5, $r8
|
|
#else
|
|
pushm $r0, $r5
|
|
move $r1, $r5
|
|
movi $r0, #0
|
|
move $r3, $r8
|
|
movi $r2, #0
|
|
bal __muldi3
|
|
movd44 $r6, $r0
|
|
popm $r0, $r5
|
|
#endif
|
|
move $r1, $r7
|
|
move $r7, $r6
|
|
move $r6, $r10
|
|
#endif /* __big_endian__ */
|
|
|
|
#ADD(P2L, O1H)
|
|
add P2L, P2L, O1H
|
|
slt $r15, P2L, O1H
|
|
|
|
|
|
#ADDCC(P2H, $0x0)
|
|
beqzs8 .LL34
|
|
add P2H, P2H, $r15
|
|
slt $r15, P2H, $r15
|
|
.LL34:
|
|
|
|
#ADDC($r9, $0x0)
|
|
add $r9, $r9, $r15
|
|
or $r10, P1L, P2L
|
|
beqz $r10, .Li13
|
|
ori P2H, P2H, #1
|
|
.Li13:
|
|
move P3H, $r9
|
|
move P3L, P2H
|
|
sltsi $r15, P3H, #0
|
|
bnezs8 .Li14
|
|
|
|
move $r15, P3L
|
|
add P3L, P3L, P3L
|
|
slt $r15, P3L, $r15
|
|
add P3H, P3H, P3H
|
|
add P3H, P3H, $r15
|
|
addi $r6, $r6, #-1
|
|
.Li14:
|
|
addi $r10, $r6, #-1
|
|
slti $r15, $r10, #0x7fe
|
|
beqzs8 .LFoveund
|
|
|
|
#ADD(P3L, $0x400)
|
|
move $r15, #0x400
|
|
add P3L, P3L, $r15
|
|
slt $r15, P3L, $r15
|
|
|
|
|
|
#ADDCC(P3H, $0x0)
|
|
beqzs8 .LL37
|
|
add P3H, P3H, $r15
|
|
slt $r15, P3H, $r15
|
|
.LL37:
|
|
|
|
#ADDC($r6, $0x0)
|
|
add $r6, $r6, $r15
|
|
|
|
.LFlab8:
|
|
srli $r10, P3L, #11
|
|
andi $r10, $r10, #1
|
|
sub P3L, P3L, $r10
|
|
srli P1L, P3L, #11
|
|
slli $r10, P3H, #21
|
|
or P1L, P1L, $r10
|
|
slli $r10, P3H, #1
|
|
srli $r10, $r10, #12
|
|
or P1H, P1H, $r10
|
|
slli $r10, $r6, #20
|
|
or P1H, P1H, $r10
|
|
|
|
.LFret:
|
|
.LF999:
|
|
popm $r6, $r10
|
|
pop $lp
|
|
ret5 $lp
|
|
|
|
.LFspecA:
|
|
#ADD(P3L, P3L)
|
|
move $r15, P3L
|
|
add P3L, P3L, P3L
|
|
slt $r15, P3L, $r15
|
|
|
|
#ADDC(P3H, P3H)
|
|
add P3H, P3H, P3H
|
|
add P3H, P3H, $r15
|
|
bnez $r6, .Li15
|
|
or $r10, P3H, P3L
|
|
beqz $r10, .Li16
|
|
|
|
|
|
#NORMd($r4, P1L, P2H)
|
|
bnez P3H, .LL38
|
|
bnez P3L, .LL39
|
|
move $r6, #0
|
|
j .LL40
|
|
.LL39:
|
|
move P3H, P3L
|
|
move P3L, #0
|
|
move P1L, #32
|
|
sub $r6, $r6, P1L
|
|
.LL38:
|
|
#ifndef __big_endian__
|
|
#ifdef __NDS32_PERF_EXT__
|
|
clz $r0, P3H
|
|
#else
|
|
pushm $r1, P3H
|
|
move $r0, P3H
|
|
bal __clzsi2
|
|
popm $r1, $r5
|
|
#endif
|
|
#else /* __big_endian__ */
|
|
#ifdef __NDS32_PERF_EXT__
|
|
clz $r1, $r4
|
|
#else
|
|
push $r0
|
|
pushm $r2, $r5
|
|
move $r0, $r4
|
|
bal __clzsi2
|
|
move $r1, $r0
|
|
popm $r2, $r5
|
|
pop $r0
|
|
#endif
|
|
#endif /* __big_endian__ */
|
|
beqz P1L, .LL40
|
|
sub $r6, $r6, P1L
|
|
subri P2H, P1L, #32
|
|
srl P2H, P3L, P2H
|
|
sll P3L, P3L, P1L
|
|
sll P3H, P3H, P1L
|
|
or P3H, P3H, P2H
|
|
.LL40:
|
|
#NORMd End
|
|
|
|
j .LFlab1
|
|
.Li16:
|
|
subri $r15, $r9, #0x7ff
|
|
beqzs8 .LFnan
|
|
j .LFret
|
|
.Li15:
|
|
or $r10, P3H, P3L
|
|
bnez $r10, .LFnan
|
|
bnez $r9, .Li17
|
|
slli $r10, O1H, #1
|
|
or $r10, $r10, O1L
|
|
beqz $r10, .LFnan
|
|
.Li17:
|
|
subri $r15, $r9, #0x7ff
|
|
bnezs8 .LFinf
|
|
|
|
.LFspecB:
|
|
#ADD(O1L, O1L)
|
|
move $r15, O1L
|
|
add O1L, O1L, O1L
|
|
slt $r15, O1L, $r15
|
|
|
|
#ADDC(O1H, O1H)
|
|
add O1H, O1H, O1H
|
|
add O1H, O1H, $r15
|
|
bnez $r9, .Li18
|
|
or $r10, O1H, O1L
|
|
beqz $r10, .Li19
|
|
|
|
|
|
#NORMd($r7, P2L, P1L)
|
|
bnez O1H, .LL41
|
|
bnez O1L, .LL42
|
|
move $r9, #0
|
|
j .LL43
|
|
.LL42:
|
|
move O1H, O1L
|
|
move O1L, #0
|
|
move P2L, #32
|
|
sub $r9, $r9, P2L
|
|
.LL41:
|
|
#ifndef __big_endian__
|
|
#ifdef __NDS32_PERF_EXT__
|
|
clz $r2, $r8
|
|
#else
|
|
pushm $r0, $r1
|
|
pushm $r3, $r5
|
|
move $r0, $r8
|
|
bal __clzsi2
|
|
move $r2, $r0
|
|
popm $r3, $r5
|
|
popm $r0, $r1
|
|
#endif
|
|
#else /* __big_endian__ */
|
|
#ifdef __NDS32_PERF_EXT__
|
|
clz $r3, $r7
|
|
#else
|
|
pushm $r0, $r2
|
|
pushm $r4, $r5
|
|
move $r0, $r7
|
|
bal __clzsi2
|
|
move $r3, $r0
|
|
popm $r4, $r5
|
|
popm $r0, $r2
|
|
#endif
|
|
#endif /* __big_endian__ */
|
|
beqz P2L, .LL43
|
|
sub $r9, $r9, P2L
|
|
subri P1L, P2L, #32
|
|
srl P1L, O1L, P1L
|
|
sll O1L, O1L, P2L
|
|
sll O1H, O1H, P2L
|
|
or O1H, O1H, P1L
|
|
.LL43:
|
|
#NORMd End
|
|
|
|
j .LFlab2
|
|
.Li19:
|
|
move P1L, #0
|
|
j .LFret
|
|
.Li18:
|
|
or $r10, O1H, O1L
|
|
bnez $r10, .LFnan
|
|
|
|
.LFinf:
|
|
move $r10, #0x7ff00000
|
|
or P1H, P1H, $r10
|
|
move P1L, #0
|
|
j .LFret
|
|
|
|
.LFnan:
|
|
move P1H, #0xfff80000
|
|
move P1L, #0
|
|
j .LFret
|
|
|
|
.LFoveund:
|
|
bgtz $r6, .LFinf
|
|
subri P1L, $r6, #1
|
|
move P2L, #0
|
|
.LL44:
|
|
move $r10, #0x20
|
|
slt $r15, P1L, $r10
|
|
bnezs8 .LL45
|
|
or P2L, P2L, P3L
|
|
move P3L, P3H
|
|
move P3H, #0
|
|
addi P1L, P1L, #0xffffffe0
|
|
bnez P3L, .LL44
|
|
.LL45:
|
|
beqz P1L, .LL46
|
|
move P2H, P3H
|
|
move $r10, P3L
|
|
srl P3L, P3L, P1L
|
|
srl P3H, P3H, P1L
|
|
subri P1L, P1L, #0x20
|
|
sll P2H, P2H, P1L
|
|
or P3L, P3L, P2H
|
|
sll $r10, $r10, P1L
|
|
or P2L, P2L, $r10
|
|
beqz P2L, .LL46
|
|
ori P3L, P3L, #1
|
|
.LL46:
|
|
#ADD(P3L, $0x400)
|
|
move $r15, #0x400
|
|
add P3L, P3L, $r15
|
|
slt $r15, P3L, $r15
|
|
|
|
#ADDC(P3H, $0x0)
|
|
add P3H, P3H, $r15
|
|
srli $r6, P3H, #31
|
|
j .LFlab8
|
|
.size __muldf3, .-__muldf3
|
|
#endif /* L_mul_df */
|
|
|
|
|
|
|
|
#ifdef L_div_sf
|
|
|
|
.text
|
|
.align 2
|
|
.global __divsf3
|
|
.type __divsf3, @function
|
|
__divsf3:
|
|
push $lp
|
|
pushm $r6, $r10
|
|
|
|
move $r7, #0x80000000
|
|
srli $r4, $r0, #23
|
|
andi $r4, $r4, #0xff
|
|
srli $r6, $r1, #23
|
|
andi $r6, $r6, #0xff
|
|
slli $r3, $r0, #8
|
|
or $r3, $r3, $r7
|
|
slli $r5, $r1, #8
|
|
or $r5, $r5, $r7
|
|
xor $r10, $r0, $r1
|
|
and $r7, $r7, $r10
|
|
|
|
addi $r10, $r4, #-1
|
|
slti $r15, $r10, #0xfe
|
|
beqzs8 .LGspecA
|
|
|
|
.LGlab1:
|
|
addi $r10, $r6, #-1
|
|
slti $r15, $r10, #0xfe
|
|
beqzs8 .LGspecB
|
|
|
|
.LGlab2:
|
|
slt $r15, $r3, $r5
|
|
bnezs8 .Li27
|
|
srli $r3, $r3, #1
|
|
addi $r4, $r4, #1
|
|
.Li27:
|
|
srli $r8, $r5, #14
|
|
divr $r0, $r2, $r3, $r8
|
|
andi $r9, $r5, #0x3fff
|
|
mul $r1, $r9, $r0
|
|
slli $r2, $r2, #14
|
|
|
|
#SUB($r2, $r1)
|
|
move $r15, $r2
|
|
sub $r2, $r2, $r1
|
|
slt $r15, $r15, $r2
|
|
beqzs8 .Li28
|
|
addi $r0, $r0, #-1
|
|
|
|
#ADD($r2, $r5)
|
|
add $r2, $r2, $r5
|
|
slt $r15, $r2, $r5
|
|
.Li28:
|
|
divr $r3, $r2, $r2, $r8
|
|
mul $r1, $r9, $r3
|
|
slli $r2, $r2, #14
|
|
|
|
#SUB($r2, $r1)
|
|
move $r15, $r2
|
|
sub $r2, $r2, $r1
|
|
slt $r15, $r15, $r2
|
|
beqzs8 .Li29
|
|
addi $r3, $r3, #-1
|
|
|
|
#ADD($r2, $r5)
|
|
add $r2, $r2, $r5
|
|
slt $r15, $r2, $r5
|
|
.Li29:
|
|
slli $r10, $r0, #14
|
|
add $r3, $r3, $r10
|
|
slli $r3, $r3, #4
|
|
beqz $r2, .Li30
|
|
ori $r3, $r3, #1
|
|
.Li30:
|
|
subri $r10, $r6, #0x7e
|
|
add $r4, $r4, $r10
|
|
addi $r10, $r4, #-1
|
|
slti $r15, $r10, #0xfe
|
|
beqzs8 .LGoveund
|
|
|
|
.LGlab8:
|
|
#ADD($r3, $0x80)
|
|
move $r15, #0x80
|
|
add $r3, $r3, $r15
|
|
slt $r15, $r3, $r15
|
|
|
|
#ADDC($r4, $0x0)
|
|
add $r4, $r4, $r15
|
|
srli $r10, $r3, #8
|
|
andi $r10, $r10, #1
|
|
sub $r3, $r3, $r10
|
|
slli $r3, $r3, #1
|
|
srli $r3, $r3, #9
|
|
slli $r10, $r4, #23
|
|
or $r3, $r3, $r10
|
|
or $r0, $r3, $r7
|
|
|
|
.LG999:
|
|
popm $r6, $r10
|
|
pop $lp
|
|
ret5 $lp
|
|
|
|
.LGspecA:
|
|
bnez $r4, .Li31
|
|
add $r3, $r3, $r3
|
|
beqz $r3, .Li31
|
|
#ifdef __NDS32_PERF_EXT__
|
|
clz $r8, $r3
|
|
#else
|
|
pushm $r0, $r5
|
|
move $r0, $r3
|
|
bal __clzsi2
|
|
move $r8, $r0
|
|
popm $r0, $r5
|
|
#endif
|
|
sub $r4, $r4, $r8
|
|
sll $r3, $r3, $r8
|
|
j .LGlab1
|
|
.Li31:
|
|
bne $r6, $r4, .Li33
|
|
add $r10, $r5, $r5
|
|
beqz $r10, .LGnan
|
|
.Li33:
|
|
subri $r15, $r6, #0xff
|
|
beqzs8 .LGspecB
|
|
beqz $r4, .LGzer
|
|
add $r10, $r3, $r3
|
|
bnez $r10, .LGnan
|
|
j .LGinf
|
|
|
|
.LGspecB:
|
|
bnez $r6, .Li34
|
|
add $r5, $r5, $r5
|
|
beqz $r5, .LGinf
|
|
#ifdef __NDS32_PERF_EXT__
|
|
clz $r8, $r5
|
|
#else
|
|
pushm $r0, $r5
|
|
move $r0, $r5
|
|
bal __clzsi2
|
|
move $r8, $r0
|
|
popm $r0, $r5
|
|
#endif
|
|
sub $r6, $r6, $r8
|
|
sll $r5, $r5, $r8
|
|
j .LGlab2
|
|
.Li34:
|
|
add $r10, $r5, $r5
|
|
bnez $r10, .LGnan
|
|
|
|
.LGzer:
|
|
move $r0, $r7
|
|
j .LG999
|
|
|
|
.LGoveund:
|
|
bgtz $r4, .LGinf
|
|
subri $r8, $r4, #1
|
|
slti $r15, $r8, #0x20
|
|
beqzs8 .LGzer
|
|
subri $r10, $r8, #0x20
|
|
sll $r4, $r3, $r10
|
|
srl $r3, $r3, $r8
|
|
beqz $r4, .Li37
|
|
ori $r3, $r3, #2
|
|
.Li37:
|
|
move $r4, #0
|
|
addi $r10, $r3, #0x80
|
|
sltsi $r15, $r10, #0
|
|
beqzs8 .LGlab8
|
|
move $r4, #1
|
|
j .LGlab8
|
|
|
|
.LGinf:
|
|
move $r10, #0x7f800000
|
|
or $r0, $r7, $r10
|
|
j .LG999
|
|
|
|
.LGnan:
|
|
move $r0, #0xffc00000
|
|
j .LG999
|
|
.size __divsf3, .-__divsf3
|
|
#endif /* L_div_sf */
|
|
|
|
|
|
|
|
#ifdef L_div_df
|
|
|
|
#ifndef __big_endian__
|
|
#define P1L $r0
|
|
#define P1H $r1
|
|
#define P2L $r2
|
|
#define P2H $r3
|
|
#define P3L $r4
|
|
#define P3H $r5
|
|
#define O1L $r7
|
|
#define O1H $r8
|
|
#else
|
|
#define P1H $r0
|
|
#define P1L $r1
|
|
#define P2H $r2
|
|
#define P2L $r3
|
|
#define P3H $r4
|
|
#define P3L $r5
|
|
#define O1H $r7
|
|
#define O1L $r8
|
|
#endif
|
|
.text
|
|
.align 2
|
|
.global __divdf3
|
|
.type __divdf3, @function
|
|
__divdf3:
|
|
push $lp
|
|
pushm $r6, $r10
|
|
|
|
slli $r6, P1H, #1
|
|
srli $r6, $r6, #21
|
|
slli P3H, P1H, #11
|
|
srli $r10, P1L, #21
|
|
or P3H, P3H, $r10
|
|
slli P3L, P1L, #11
|
|
move O1L, #0x80000000
|
|
or P3H, P3H, O1L
|
|
slli $r9, P2H, #1
|
|
srli $r9, $r9, #21
|
|
slli O1H, P2H, #11
|
|
srli $r10, P2L, #21
|
|
or O1H, O1H, $r10
|
|
or O1H, O1H, O1L
|
|
xor P1H, P1H, P2H
|
|
and P1H, P1H, O1L
|
|
slli O1L, P2L, #11
|
|
|
|
addi $r10, $r6, #-1
|
|
slti $r15, $r10, #0x7fe
|
|
beqzs8 .LGspecA
|
|
|
|
.LGlab1:
|
|
addi $r10, $r9, #-1
|
|
slti $r15, $r10, #0x7fe
|
|
beqzs8 .LGspecB
|
|
|
|
.LGlab2:
|
|
sub $r6, $r6, $r9
|
|
addi $r6, $r6, #0x3ff
|
|
srli P3L, P3L, #1
|
|
slli $r10, P3H, #31
|
|
or P3L, P3L, $r10
|
|
srli P3H, P3H, #1
|
|
srli $r9, O1H, #16
|
|
divr P2H, P3H, P3H, $r9
|
|
move $r10, #0xffff
|
|
and P2L, O1H, $r10
|
|
mul P1L, P2L, P2H
|
|
slli P3H, P3H, #16
|
|
srli $r10, P3L, #16
|
|
or P3H, P3H, $r10
|
|
|
|
#SUB(P3H, P1L)
|
|
move $r15, P3H
|
|
sub P3H, P3H, P1L
|
|
slt $r15, $r15, P3H
|
|
beqzs8 .Li20
|
|
|
|
.Lb21:
|
|
addi P2H, P2H, #-1
|
|
add P3H, P3H, O1H
|
|
slt $r15, P3H, O1H
|
|
beqzs8 .Lb21
|
|
.Li20:
|
|
divr $r9, P3H, P3H, $r9
|
|
mul P1L, P2L, $r9
|
|
slli P3H, P3H, #16
|
|
move $r15, #0xffff
|
|
and $r10, P3L, $r15
|
|
or P3H, P3H, $r10
|
|
|
|
#SUB(P3H, P1L)
|
|
move $r15, P3H
|
|
sub P3H, P3H, P1L
|
|
slt $r15, $r15, P3H
|
|
beqzs8 .Li22
|
|
|
|
.Lb23:
|
|
addi $r9, $r9, #-1
|
|
add P3H, P3H, O1H
|
|
slt $r15, P3H, O1H
|
|
beqzs8 .Lb23
|
|
.Li22:
|
|
slli P2H, P2H, #16
|
|
add P2H, P2H, $r9
|
|
|
|
/* This is a 64-bit multiple. */
|
|
#ifndef __big_endian__
|
|
/* For little endian: ($r0, $r9) is (high, low). */
|
|
move $r10, $r1
|
|
#ifndef __NDS32_ISA_V3M__
|
|
mulr64 $r0, $r3, $r7
|
|
#else
|
|
pushm $r2, $r5
|
|
move $r0, $r3
|
|
movi $r1, #0
|
|
move $r2, $r7
|
|
movi $r3, #0
|
|
bal __muldi3
|
|
popm $r2, $r5
|
|
#endif
|
|
move $r9, $r0
|
|
move $r0, $r1
|
|
move $r1, $r10
|
|
#else /* __big_endian__ */
|
|
/* For big endian: ($r1, $r9) is (high, low). */
|
|
move $r10, $r0
|
|
#ifndef __NDS32_ISA_V3M__
|
|
mulr64 $r0, $r2, $r8
|
|
#else
|
|
pushm $r2, $r5
|
|
move $r1, $r2
|
|
movi $r0, #0
|
|
move $r3, $r8
|
|
movi $r2, #0
|
|
bal __muldi3
|
|
popm $r2, $r5
|
|
#endif
|
|
move $r9, $r1
|
|
move $r1, $r0
|
|
move $r0, $r10
|
|
#endif /* __big_endian__ */
|
|
|
|
move P3L, #0
|
|
|
|
#SUB(P3L, $r9)
|
|
move $r15, P3L
|
|
sub P3L, P3L, $r9
|
|
slt $r15, $r15, P3L
|
|
|
|
|
|
#SUBCC(P3H, P1L)
|
|
beqzs8 .LL47
|
|
move $r15, P3H
|
|
sub P3H, P3H, P1L
|
|
slt $r15, $r15, P3H
|
|
beqzs8 .LL48
|
|
subi333 P3H, P3H, #1
|
|
j .LL49
|
|
.LL48:
|
|
move $r15, P3H
|
|
subi333 P3H, P3H, #1
|
|
slt $r15, $r15, P3H
|
|
j .LL49
|
|
.LL47:
|
|
move $r15, P3H
|
|
sub P3H, P3H, P1L
|
|
slt $r15, $r15, P3H
|
|
.LL49:
|
|
|
|
beqzs8 .Li24
|
|
|
|
.LGlab3:
|
|
addi P2H, P2H, #-1
|
|
|
|
#ADD(P3L, O1L)
|
|
add P3L, P3L, O1L
|
|
slt $r15, P3L, O1L
|
|
|
|
|
|
#ADDCC(P3H, O1H)
|
|
beqzs8 .LL50
|
|
add P3H, P3H, O1H
|
|
slt $r15, P3H, O1H
|
|
beqzs8 .LL51
|
|
addi P3H, P3H, #0x1
|
|
j .LL52
|
|
.LL51:
|
|
move $r15, #1
|
|
add P3H, P3H, $r15
|
|
slt $r15, P3H, $r15
|
|
j .LL52
|
|
.LL50:
|
|
add P3H, P3H, O1H
|
|
slt $r15, P3H, O1H
|
|
.LL52:
|
|
|
|
beqzs8 .LGlab3
|
|
.Li24:
|
|
bne P3H, O1H, .Li25
|
|
move P1L, O1L
|
|
move P3H, P3L
|
|
move $r9, #0
|
|
move P2L, $r9
|
|
j .Le25
|
|
.Li25:
|
|
srli P2L, O1H, #16
|
|
divr $r9, P3H, P3H, P2L
|
|
move $r10, #0xffff
|
|
and $r10, O1H, $r10
|
|
mul P1L, $r10, $r9
|
|
slli P3H, P3H, #16
|
|
srli $r15, P3L, #16
|
|
or P3H, P3H, $r15
|
|
|
|
#SUB(P3H, P1L)
|
|
move $r15, P3H
|
|
sub P3H, P3H, P1L
|
|
slt $r15, $r15, P3H
|
|
beqzs8 .Li26
|
|
|
|
.Lb27:
|
|
addi $r9, $r9, #-1
|
|
add P3H, P3H, O1H
|
|
slt $r15, P3H, O1H
|
|
beqzs8 .Lb27
|
|
.Li26:
|
|
divr P2L, P3H, P3H, P2L
|
|
mul P1L, $r10, P2L
|
|
slli P3H, P3H, #16
|
|
move $r10, #0xffff
|
|
and $r10, P3L, $r10
|
|
or P3H, P3H, $r10
|
|
|
|
#SUB(P3H, P1L)
|
|
move $r15, P3H
|
|
sub P3H, P3H, P1L
|
|
slt $r15, $r15, P3H
|
|
beqzs8 .Li28
|
|
|
|
.Lb29:
|
|
addi P2L, P2L, #-1
|
|
add P3H, P3H, O1H
|
|
slt $r15, P3H, O1H
|
|
beqzs8 .Lb29
|
|
.Li28:
|
|
slli $r9, $r9, #16
|
|
add $r9, $r9, P2L
|
|
|
|
/* This is a 64-bit multiple. */
|
|
#ifndef __big_endian__
|
|
/* For little endian: ($r0, $r2) is (high, low). */
|
|
move $r10, $r1
|
|
#ifndef __NDS32_ISA_V3M__
|
|
mulr64 $r0, $r9, $r7
|
|
#else
|
|
pushm $r2, $r5
|
|
move $r0, $r9
|
|
movi $r1, #0
|
|
move $r2, $r7
|
|
movi $r3, #0
|
|
bal __muldi3
|
|
popm $r2, $r5
|
|
#endif
|
|
move $r2, $r0
|
|
move $r0, $r1
|
|
move $r1, $r10
|
|
#else /* __big_endian__ */
|
|
/* For big endian: ($r1, $r3) is (high, low). */
|
|
move $r10, $r0
|
|
#ifndef __NDS32_ISA_V3M__
|
|
mulr64 $r0, $r9, $r8
|
|
#else
|
|
pushm $r2, $r5
|
|
move $r0, $r9
|
|
movi $r1, #0
|
|
move $r2, $r7
|
|
movi $r3, #0
|
|
bal __muldi3
|
|
popm $r2, $r5
|
|
#endif
|
|
move $r3, $r1
|
|
move $r1, $r0
|
|
move $r0, $r10
|
|
#endif /* __big_endian__ */
|
|
|
|
.Le25:
|
|
move P3L, #0
|
|
|
|
#SUB(P3L, P2L)
|
|
move $r15, P3L
|
|
sub P3L, P3L, P2L
|
|
slt $r15, $r15, P3L
|
|
|
|
|
|
#SUBCC(P3H, P1L)
|
|
beqzs8 .LL53
|
|
move $r15, P3H
|
|
sub P3H, P3H, P1L
|
|
slt $r15, $r15, P3H
|
|
beqzs8 .LL54
|
|
subi333 P3H, P3H, #1
|
|
j .LL55
|
|
.LL54:
|
|
move $r15, P3H
|
|
subi333 P3H, P3H, #1
|
|
slt $r15, $r15, P3H
|
|
j .LL55
|
|
.LL53:
|
|
move $r15, P3H
|
|
sub P3H, P3H, P1L
|
|
slt $r15, $r15, P3H
|
|
.LL55:
|
|
|
|
beqzs8 .Li30
|
|
|
|
.LGlab4:
|
|
addi $r9, $r9, #-1
|
|
|
|
#ADD(P3L, O1L)
|
|
add P3L, P3L, O1L
|
|
slt $r15, P3L, O1L
|
|
|
|
|
|
#ADDCC(P3H, O1H)
|
|
beqzs8 .LL56
|
|
add P3H, P3H, O1H
|
|
slt $r15, P3H, O1H
|
|
beqzs8 .LL57
|
|
addi P3H, P3H, #0x1
|
|
j .LL58
|
|
.LL57:
|
|
move $r15, #1
|
|
add P3H, P3H, $r15
|
|
slt $r15, P3H, $r15
|
|
j .LL58
|
|
.LL56:
|
|
add P3H, P3H, O1H
|
|
slt $r15, P3H, O1H
|
|
.LL58:
|
|
|
|
beqzs8 .LGlab4
|
|
.Li30:
|
|
sltsi $r15, P2H, #0
|
|
bnezs8 .Li31
|
|
|
|
#ADD($r9, $r9)
|
|
move $r15, $r9
|
|
add $r9, $r9, $r9
|
|
slt $r15, $r9, $r15
|
|
|
|
#ADDC(P2H, P2H)
|
|
add P2H, P2H, P2H
|
|
add P2H, P2H, $r15
|
|
addi $r6, $r6, #-1
|
|
.Li31:
|
|
or $r10, P3H, P3L
|
|
beqz $r10, .Li32
|
|
ori $r9, $r9, #1
|
|
.Li32:
|
|
move P3H, P2H
|
|
move P3L, $r9
|
|
addi $r10, $r6, #-1
|
|
slti $r15, $r10, #0x7fe
|
|
beqzs8 .LGoveund
|
|
|
|
#ADD(P3L, $0x400)
|
|
move $r15, #0x400
|
|
add P3L, P3L, $r15
|
|
slt $r15, P3L, $r15
|
|
|
|
|
|
#ADDCC(P3H, $0x0)
|
|
beqzs8 .LL61
|
|
add P3H, P3H, $r15
|
|
slt $r15, P3H, $r15
|
|
.LL61:
|
|
|
|
#ADDC($r6, $0x0)
|
|
add $r6, $r6, $r15
|
|
|
|
.LGlab8:
|
|
srli $r10, P3L, #11
|
|
andi $r10, $r10, #1
|
|
sub P3L, P3L, $r10
|
|
srli P1L, P3L, #11
|
|
slli $r10, P3H, #21
|
|
or P1L, P1L, $r10
|
|
slli $r10, P3H, #1
|
|
srli $r10, $r10, #12
|
|
or P1H, P1H, $r10
|
|
slli $r10, $r6, #20
|
|
or P1H, P1H, $r10
|
|
|
|
.LGret:
|
|
.LG999:
|
|
popm $r6, $r10
|
|
pop $lp
|
|
ret5 $lp
|
|
|
|
.LGoveund:
|
|
bgtz $r6, .LGinf
|
|
subri P2H, $r6, #1
|
|
move P1L, #0
|
|
.LL62:
|
|
move $r10, #0x20
|
|
slt $r15, P2H, $r10
|
|
bnezs8 .LL63
|
|
or P1L, P1L, P3L
|
|
move P3L, P3H
|
|
move P3H, #0
|
|
addi P2H, P2H, #0xffffffe0
|
|
bnez P3L, .LL62
|
|
.LL63:
|
|
beqz P2H, .LL64
|
|
move P2L, P3H
|
|
move $r10, P3L
|
|
srl P3L, P3L, P2H
|
|
srl P3H, P3H, P2H
|
|
subri P2H, P2H, #0x20
|
|
sll P2L, P2L, P2H
|
|
or P3L, P3L, P2L
|
|
sll $r10, $r10, P2H
|
|
or P1L, P1L, $r10
|
|
beqz P1L, .LL64
|
|
ori P3L, P3L, #1
|
|
.LL64:
|
|
#ADD(P3L, $0x400)
|
|
move $r15, #0x400
|
|
add P3L, P3L, $r15
|
|
slt $r15, P3L, $r15
|
|
|
|
#ADDC(P3H, $0x0)
|
|
add P3H, P3H, $r15
|
|
srli $r6, P3H, #31
|
|
j .LGlab8
|
|
|
|
.LGspecA:
|
|
#ADD(P3L, P3L)
|
|
move $r15, P3L
|
|
add P3L, P3L, P3L
|
|
slt $r15, P3L, $r15
|
|
|
|
#ADDC(P3H, P3H)
|
|
add P3H, P3H, P3H
|
|
add P3H, P3H, $r15
|
|
bnez $r6, .Li33
|
|
or $r10, P3H, P3L
|
|
beqz $r10, .Li33
|
|
|
|
|
|
#NORMd($r4, P2H, P2L)
|
|
bnez P3H, .LL65
|
|
bnez P3L, .LL66
|
|
move $r6, #0
|
|
j .LL67
|
|
.LL66:
|
|
move P3H, P3L
|
|
move P3L, #0
|
|
move P2H, #32
|
|
sub $r6, $r6, P2H
|
|
.LL65:
|
|
#ifndef __big_endian__
|
|
#ifdef __NDS32_PERF_EXT__
|
|
clz $r3, $r5
|
|
#else
|
|
pushm $r0, $r2
|
|
pushm $r4, $r5
|
|
move $r0, $r5
|
|
bal __clzsi2
|
|
move $r3, $r0
|
|
popm $r4, $r5
|
|
popm $r0, $r2
|
|
#endif
|
|
#else /* __big_endian__ */
|
|
#ifdef __NDS32_PERF_EXT__
|
|
clz $r2, $r4
|
|
#else
|
|
pushm $r0, $r1
|
|
pushm $r3, $r5
|
|
move $r0, $r4
|
|
bal __clzsi2
|
|
move $r2, $r0
|
|
popm $r3, $r5
|
|
popm $r0, $r1
|
|
#endif
|
|
#endif /* __big_endian_ */
|
|
beqz P2H, .LL67
|
|
sub $r6, $r6, P2H
|
|
subri P2L, P2H, #32
|
|
srl P2L, P3L, P2L
|
|
sll P3L, P3L, P2H
|
|
sll P3H, P3H, P2H
|
|
or P3H, P3H, P2L
|
|
.LL67:
|
|
#NORMd End
|
|
|
|
j .LGlab1
|
|
.Li33:
|
|
bne $r6, $r9, .Li35
|
|
slli $r10, O1H, #1
|
|
or $r10, $r10, O1L
|
|
beqz $r10, .LGnan
|
|
.Li35:
|
|
subri $r15, $r9, #0x7ff
|
|
beqzs8 .LGspecB
|
|
beqz $r6, .LGret
|
|
or $r10, P3H, P3L
|
|
bnez $r10, .LGnan
|
|
|
|
.LGinf:
|
|
move $r10, #0x7ff00000
|
|
or P1H, P1H, $r10
|
|
move P1L, #0
|
|
j .LGret
|
|
|
|
.LGspecB:
|
|
#ADD(O1L, O1L)
|
|
move $r15, O1L
|
|
add O1L, O1L, O1L
|
|
slt $r15, O1L, $r15
|
|
|
|
#ADDC(O1H, O1H)
|
|
add O1H, O1H, O1H
|
|
add O1H, O1H, $r15
|
|
bnez $r9, .Li36
|
|
or $r10, O1H, O1L
|
|
beqz $r10, .LGinf
|
|
|
|
|
|
#NORMd($r7, P2H, P2L)
|
|
bnez O1H, .LL68
|
|
bnez O1L, .LL69
|
|
move $r9, #0
|
|
j .LL70
|
|
.LL69:
|
|
move O1H, O1L
|
|
move O1L, #0
|
|
move P2H, #32
|
|
sub $r9, $r9, P2H
|
|
.LL68:
|
|
#ifndef __big_endian__
|
|
#ifdef __NDS32_PERF_EXT__
|
|
clz $r3, $r8
|
|
#else
|
|
pushm $r0, $r2
|
|
pushm $r4, $r5
|
|
move $r0, $r8
|
|
bal __clzsi2
|
|
move $r3, $r0
|
|
popm $r4, $r5
|
|
popm $r0, $r2
|
|
#endif
|
|
#else /* __big_endian__ */
|
|
#ifdef __NDS32_PERF_EXT__
|
|
clz $r2, $r7
|
|
#else
|
|
pushm $r0, $r1
|
|
pushm $r3, $r5
|
|
move $r0, $r7
|
|
bal __clzsi2
|
|
move $r2, $r0
|
|
popm $r3, $r5
|
|
popm $r0, $r1
|
|
#endif
|
|
#endif /* __big_endian__ */
|
|
beqz P2H, .LL70
|
|
sub $r9, $r9, P2H
|
|
subri P2L, P2H, #32
|
|
srl P2L, O1L, P2L
|
|
sll O1L, O1L, P2H
|
|
sll O1H, O1H, P2H
|
|
or O1H, O1H, P2L
|
|
.LL70:
|
|
#NORMd End
|
|
|
|
j .LGlab2
|
|
.Li36:
|
|
or $r10, O1H, O1L
|
|
beqz $r10, .Li38
|
|
|
|
.LGnan:
|
|
move P1H, #0xfff80000
|
|
.Li38:
|
|
move P1L, #0
|
|
j .LGret
|
|
.size __divdf3, .-__divdf3
|
|
#endif /* L_div_df */
|
|
|
|
|
|
|
|
#ifdef L_negate_sf
|
|
|
|
.text
|
|
.align 2
|
|
.global __negsf2
|
|
.type __negsf2, @function
|
|
__negsf2:
|
|
push $lp
|
|
|
|
move $r1, #0x80000000
|
|
xor $r0, $r0, $r1
|
|
|
|
.LN999:
|
|
pop $lp
|
|
ret5 $lp
|
|
.size __negsf2, .-__negsf2
|
|
#endif /* L_negate_sf */
|
|
|
|
|
|
|
|
#ifdef L_negate_df
|
|
|
|
#ifndef __big_endian__
|
|
#define P1H $r1
|
|
#else
|
|
#define P1H $r0
|
|
#endif
|
|
.text
|
|
.align 2
|
|
.global __negdf2
|
|
.type __negdf2, @function
|
|
__negdf2:
|
|
push $lp
|
|
|
|
move $r2, #0x80000000
|
|
xor P1H, P1H, $r2
|
|
|
|
.LP999:
|
|
pop $lp
|
|
ret5 $lp
|
|
.size __negdf2, .-__negdf2
|
|
#endif /* L_negate_df */
|
|
|
|
|
|
|
|
#ifdef L_sf_to_df
|
|
|
|
#ifndef __big_endian__
|
|
#define O1L $r1
|
|
#define O1H $r2
|
|
#else
|
|
#define O1H $r1
|
|
#define O1L $r2
|
|
#endif
|
|
.text
|
|
.align 2
|
|
.global __extendsfdf2
|
|
.type __extendsfdf2, @function
|
|
__extendsfdf2:
|
|
push $lp
|
|
|
|
srli $r3, $r0, #23
|
|
andi $r3, $r3, #0xff
|
|
move $r5, #0x80000000
|
|
and O1H, $r0, $r5
|
|
addi $r5, $r3, #-1
|
|
slti $r15, $r5, #0xfe
|
|
beqzs8 .LJspec
|
|
|
|
.LJlab1:
|
|
addi $r3, $r3, #0x380
|
|
slli $r5, $r0, #9
|
|
srli $r5, $r5, #12
|
|
or O1H, O1H, $r5
|
|
slli O1L, $r0, #29
|
|
|
|
.LJret:
|
|
slli $r5, $r3, #20
|
|
or O1H, O1H, $r5
|
|
move $r0, $r1
|
|
move $r1, $r2
|
|
|
|
.LJ999:
|
|
pop $lp
|
|
ret5 $lp
|
|
|
|
.LJspec:
|
|
move O1L, #0
|
|
add $r0, $r0, $r0
|
|
beqz $r0, .LJret
|
|
bnez $r3, .Li42
|
|
|
|
.Lb43:
|
|
addi $r3, $r3, #-1
|
|
add $r0, $r0, $r0
|
|
move $r5, #0x800000
|
|
slt $r15, $r0, $r5
|
|
bnezs8 .Lb43
|
|
j .LJlab1
|
|
.Li42:
|
|
move $r3, #0x7ff
|
|
move $r5, #0xff000000
|
|
slt $r15, $r5, $r0
|
|
beqzs8 .LJret
|
|
move O1H, #0xfff80000
|
|
j .LJret
|
|
.size __extendsfdf2, .-__extendsfdf2
|
|
#endif /* L_sf_to_df */
|
|
|
|
|
|
|
|
#ifdef L_df_to_sf
|
|
|
|
#ifndef __big_endian__
|
|
#define P1L $r0
|
|
#define P1H $r1
|
|
#define P2L $r2
|
|
#define P2H $r3
|
|
#else
|
|
#define P1H $r0
|
|
#define P1L $r1
|
|
#define P2H $r2
|
|
#define P2L $r3
|
|
#endif
|
|
.text
|
|
.align 2
|
|
.global __truncdfsf2
|
|
.type __truncdfsf2, @function
|
|
__truncdfsf2:
|
|
push $lp
|
|
pushm $r6, $r8
|
|
|
|
slli P2H, P1H, #11
|
|
srli $r7, P1L, #21
|
|
or P2H, P2H, $r7
|
|
slli P2L, P1L, #11
|
|
move $r7, #0x80000000
|
|
or P2H, P2H, $r7
|
|
and $r5, P1H, $r7
|
|
slli $r4, P1H, #1
|
|
srli $r4, $r4, #21
|
|
addi $r4, $r4, #0xfffffc80
|
|
addi $r7, $r4, #-1
|
|
slti $r15, $r7, #0xfe
|
|
beqzs8 .LKspec
|
|
|
|
.LKlab1:
|
|
beqz P2L, .Li45
|
|
ori P2H, P2H, #1
|
|
.Li45:
|
|
#ADD(P2H, $0x80)
|
|
move $r15, #0x80
|
|
add P2H, P2H, $r15
|
|
slt $r15, P2H, $r15
|
|
|
|
#ADDC($r4, $0x0)
|
|
add $r4, $r4, $r15
|
|
srli $r7, P2H, #8
|
|
andi $r7, $r7, #1
|
|
sub P2H, P2H, $r7
|
|
slli P2H, P2H, #1
|
|
srli P2H, P2H, #9
|
|
slli $r7, $r4, #23
|
|
or P2H, P2H, $r7
|
|
or $r0, P2H, $r5
|
|
|
|
.LK999:
|
|
popm $r6, $r8
|
|
pop $lp
|
|
ret5 $lp
|
|
|
|
.LKspec:
|
|
subri $r15, $r4, #0x47f
|
|
bnezs8 .Li46
|
|
slli $r7, P2H, #1
|
|
or $r7, $r7, P2L
|
|
beqz $r7, .Li46
|
|
move $r0, #0xffc00000
|
|
j .LK999
|
|
.Li46:
|
|
sltsi $r15, $r4, #0xff
|
|
bnezs8 .Li48
|
|
move $r7, #0x7f800000
|
|
or $r0, $r5, $r7
|
|
j .LK999
|
|
.Li48:
|
|
subri $r6, $r4, #1
|
|
move $r7, #0x20
|
|
slt $r15, $r6, $r7
|
|
bnezs8 .Li49
|
|
move $r0, $r5
|
|
j .LK999
|
|
.Li49:
|
|
subri $r8, $r6, #0x20
|
|
sll $r7, P2H, $r8
|
|
or P2L, P2L, $r7
|
|
srl P2H, P2H, $r6
|
|
move $r4, #0
|
|
move $r7, #0x80000000
|
|
or P2H, P2H, $r7
|
|
j .LKlab1
|
|
.size __truncdfsf2, .-__truncdfsf2
|
|
#endif /* L_df_to_sf */
|
|
|
|
|
|
|
|
#ifdef L_df_to_si
|
|
|
|
#ifndef __big_endian__
|
|
#define P1L $r0
|
|
#define P1H $r1
|
|
#else
|
|
#define P1H $r0
|
|
#define P1L $r1
|
|
#endif
|
|
.global __fixdfsi
|
|
.type __fixdfsi, @function
|
|
__fixdfsi:
|
|
push $lp
|
|
pushm $r6, $r6
|
|
|
|
slli $r3, P1H, #11
|
|
srli $r6, P1L, #21
|
|
or $r3, $r3, $r6
|
|
move $r6, #0x80000000
|
|
or $r3, $r3, $r6
|
|
slli $r6, P1H, #1
|
|
srli $r6, $r6, #21
|
|
subri $r2, $r6, #0x41e
|
|
blez $r2, .LLnaninf
|
|
move $r6, #0x20
|
|
slt $r15, $r2, $r6
|
|
bnezs8 .LL72
|
|
move $r3, #0
|
|
.LL72:
|
|
srl $r3, $r3, $r2
|
|
sltsi $r15, P1H, #0
|
|
beqzs8 .Li50
|
|
subri $r3, $r3, #0
|
|
.Li50:
|
|
move $r0, $r3
|
|
|
|
.LL999:
|
|
popm $r6, $r6
|
|
pop $lp
|
|
ret5 $lp
|
|
|
|
.LLnaninf:
|
|
beqz P1L, .Li51
|
|
ori P1H, P1H, #1
|
|
.Li51:
|
|
move $r6, #0x7ff00000
|
|
slt $r15, $r6, P1H
|
|
beqzs8 .Li52
|
|
move $r0, #0x80000000
|
|
j .LL999
|
|
.Li52:
|
|
move $r0, #0x7fffffff
|
|
j .LL999
|
|
.size __fixdfsi, .-__fixdfsi
|
|
#endif /* L_df_to_si */
|
|
|
|
|
|
|
|
#ifdef L_fixsfdi
|
|
|
|
#ifndef __big_endian__
|
|
#define O1L $r1
|
|
#define O1H $r2
|
|
#else
|
|
#define O1H $r1
|
|
#define O1L $r2
|
|
#endif
|
|
.text
|
|
.align 2
|
|
.global __fixsfdi
|
|
.type __fixsfdi, @function
|
|
__fixsfdi:
|
|
push $lp
|
|
|
|
srli $r3, $r0, #23
|
|
andi $r3, $r3, #0xff
|
|
slli O1H, $r0, #8
|
|
move $r5, #0x80000000
|
|
or O1H, O1H, $r5
|
|
move O1L, #0
|
|
sltsi $r15, $r3, #0xbe
|
|
beqzs8 .LCinfnan
|
|
subri $r3, $r3, #0xbe
|
|
.LL8:
|
|
move $r5, #0x20
|
|
slt $r15, $r3, $r5
|
|
bnezs8 .LL9
|
|
move O1L, O1H
|
|
move O1H, #0
|
|
addi $r3, $r3, #0xffffffe0
|
|
bnez O1L, .LL8
|
|
.LL9:
|
|
beqz $r3, .LL10
|
|
move $r4, O1H
|
|
srl O1L, O1L, $r3
|
|
srl O1H, O1H, $r3
|
|
subri $r3, $r3, #0x20
|
|
sll $r4, $r4, $r3
|
|
or O1L, O1L, $r4
|
|
.LL10:
|
|
sltsi $r15, $r0, #0
|
|
beqzs8 .LCret
|
|
|
|
subri O1H, O1H, #0
|
|
beqz O1L, .LL11
|
|
subri O1L, O1L, #0
|
|
subi45 O1H, #1
|
|
.LL11:
|
|
|
|
.LCret:
|
|
move $r0, $r1
|
|
move $r1, $r2
|
|
|
|
.LC999:
|
|
pop $lp
|
|
ret5 $lp
|
|
|
|
.LCinfnan:
|
|
sltsi $r15, $r0, #0
|
|
bnezs8 .LCret3
|
|
subri $r15, $r3, #0xff
|
|
bnezs8 .Li7
|
|
slli $r5, O1H, #1
|
|
beqz $r5, .Li7
|
|
|
|
.LCret3:
|
|
move O1H, #0x80000000
|
|
j .LCret
|
|
.Li7:
|
|
move O1H, #0x7fffffff
|
|
move O1L, #-1
|
|
j .LCret
|
|
.size __fixsfdi, .-__fixsfdi
|
|
#endif /* L_fixsfdi */
|
|
|
|
|
|
|
|
#ifdef L_fixdfdi
|
|
|
|
#ifndef __big_endian__
|
|
#define P1L $r0
|
|
#define P1H $r1
|
|
#define O1L $r3
|
|
#define O1H $r4
|
|
#else
|
|
#define P1H $r0
|
|
#define P1L $r1
|
|
#define O1H $r3
|
|
#define O1L $r4
|
|
#endif
|
|
.text
|
|
.align 2
|
|
.global __fixdfdi
|
|
.type __fixdfdi, @function
|
|
__fixdfdi:
|
|
push $lp
|
|
pushm $r6, $r6
|
|
|
|
slli $r5, P1H, #1
|
|
srli $r5, $r5, #21
|
|
slli O1H, P1H, #11
|
|
srli $r6, P1L, #21
|
|
or O1H, O1H, $r6
|
|
slli O1L, P1L, #11
|
|
move $r6, #0x80000000
|
|
or O1H, O1H, $r6
|
|
slti $r15, $r5, #0x43e
|
|
beqzs8 .LCnaninf
|
|
subri $r2, $r5, #0x43e
|
|
.LL14:
|
|
move $r6, #0x20
|
|
slt $r15, $r2, $r6
|
|
bnezs8 .LL15
|
|
move O1L, O1H
|
|
move O1H, #0
|
|
addi $r2, $r2, #0xffffffe0
|
|
bnez O1L, .LL14
|
|
.LL15:
|
|
beqz $r2, .LL16
|
|
move P1L, O1H
|
|
srl O1L, O1L, $r2
|
|
srl O1H, O1H, $r2
|
|
subri $r2, $r2, #0x20
|
|
sll P1L, P1L, $r2
|
|
or O1L, O1L, P1L
|
|
.LL16:
|
|
sltsi $r15, P1H, #0
|
|
beqzs8 .LCret
|
|
|
|
subri O1H, O1H, #0
|
|
beqz O1L, .LL17
|
|
subri O1L, O1L, #0
|
|
subi45 O1H, #1
|
|
.LL17:
|
|
|
|
.LCret:
|
|
move P1L, O1L
|
|
move P1H, O1H
|
|
|
|
.LC999:
|
|
popm $r6, $r6
|
|
pop $lp
|
|
ret5 $lp
|
|
|
|
.LCnaninf:
|
|
sltsi $r15, P1H, #0
|
|
bnezs8 .LCret3
|
|
subri $r15, $r5, #0x7ff
|
|
bnezs8 .Li5
|
|
slli $r6, O1H, #1
|
|
or $r6, $r6, O1L
|
|
beqz $r6, .Li5
|
|
|
|
.LCret3:
|
|
move O1H, #0x80000000
|
|
move O1L, #0
|
|
j .LCret
|
|
.Li5:
|
|
move O1H, #0x7fffffff
|
|
move O1L, #-1
|
|
j .LCret
|
|
.size __fixdfdi, .-__fixdfdi
|
|
#endif /* L_fixdfdi */
|
|
|
|
|
|
|
|
#ifdef L_fixunssfsi
|
|
|
|
.global __fixunssfsi
|
|
.type __fixunssfsi, @function
|
|
__fixunssfsi:
|
|
push $lp
|
|
|
|
slli $r1, $r0, #8
|
|
move $r3, #0x80000000
|
|
or $r1, $r1, $r3
|
|
srli $r3, $r0, #23
|
|
andi $r3, $r3, #0xff
|
|
subri $r2, $r3, #0x9e
|
|
sltsi $r15, $r2, #0
|
|
bnezs8 .LLspec
|
|
sltsi $r15, $r2, #0x20
|
|
bnezs8 .Li45
|
|
move $r0, #0
|
|
j .LL999
|
|
.Li45:
|
|
srl $r1, $r1, $r2
|
|
sltsi $r15, $r0, #0
|
|
beqzs8 .Li46
|
|
subri $r1, $r1, #0
|
|
.Li46:
|
|
move $r0, $r1
|
|
|
|
.LL999:
|
|
pop $lp
|
|
ret5 $lp
|
|
|
|
.LLspec:
|
|
move $r3, #0x7f800000
|
|
slt $r15, $r3, $r0
|
|
beqzs8 .Li47
|
|
move $r0, #0x80000000
|
|
j .LL999
|
|
.Li47:
|
|
move $r0, #-1
|
|
j .LL999
|
|
.size __fixunssfsi, .-__fixunssfsi
|
|
#endif /* L_fixunssfsi */
|
|
|
|
|
|
|
|
#ifdef L_fixunsdfsi
|
|
|
|
#ifndef __big_endian__
|
|
#define P1L $r0
|
|
#define P1H $r1
|
|
#else
|
|
#define P1H $r0
|
|
#define P1L $r1
|
|
#endif
|
|
.text
|
|
.align 2
|
|
.global __fixunsdfsi
|
|
.type __fixunsdfsi, @function
|
|
__fixunsdfsi:
|
|
push $lp
|
|
pushm $r6, $r6
|
|
|
|
slli $r3, P1H, #11
|
|
srli $r6, P1L, #21
|
|
or $r3, $r3, $r6
|
|
move $r6, #0x80000000
|
|
or $r3, $r3, $r6
|
|
slli $r6, P1H, #1
|
|
srli $r6, $r6, #21
|
|
subri $r2, $r6, #0x41e
|
|
sltsi $r15, $r2, #0
|
|
bnezs8 .LNnaninf
|
|
move $r6, #0x20
|
|
slt $r15, $r2, $r6
|
|
bnezs8 .LL73
|
|
move $r3, #0
|
|
.LL73:
|
|
srl $r3, $r3, $r2
|
|
sltsi $r15, P1H, #0
|
|
beqzs8 .Li53
|
|
subri $r3, $r3, #0
|
|
.Li53:
|
|
move $r0, $r3
|
|
|
|
.LN999:
|
|
popm $r6, $r6
|
|
pop $lp
|
|
ret5 $lp
|
|
|
|
.LNnaninf:
|
|
beqz P1L, .Li54
|
|
ori P1H, P1H, #1
|
|
.Li54:
|
|
move $r6, #0x7ff00000
|
|
slt $r15, $r6, P1H
|
|
beqzs8 .Li55
|
|
move $r0, #0x80000000
|
|
j .LN999
|
|
.Li55:
|
|
move $r0, #-1
|
|
j .LN999
|
|
.size __fixunsdfsi, .-__fixunsdfsi
|
|
#endif /* L_fixunsdfsi */
|
|
|
|
|
|
|
|
#ifdef L_fixunssfdi
|
|
|
|
#ifndef __big_endian__
|
|
#define O1L $r1
|
|
#define O1H $r2
|
|
#else
|
|
#define O1H $r1
|
|
#define O1L $r2
|
|
#endif
|
|
.text
|
|
.align 2
|
|
.global __fixunssfdi
|
|
.type __fixunssfdi, @function
|
|
__fixunssfdi:
|
|
push $lp
|
|
|
|
srli $r3, $r0, #23
|
|
andi $r3, $r3, #0xff
|
|
slli O1H, $r0, #8
|
|
move $r5, #0x80000000
|
|
or O1H, O1H, $r5
|
|
move O1L, #0
|
|
sltsi $r15, $r3, #0xbe
|
|
beqzs8 .LDinfnan
|
|
subri $r3, $r3, #0xbe
|
|
.LL12:
|
|
move $r5, #0x20
|
|
slt $r15, $r3, $r5
|
|
bnezs8 .LL13
|
|
move O1L, O1H
|
|
move O1H, #0
|
|
addi $r3, $r3, #0xffffffe0
|
|
bnez O1L, .LL12
|
|
.LL13:
|
|
beqz $r3, .LL14
|
|
move $r4, O1H
|
|
srl O1L, O1L, $r3
|
|
srl O1H, O1H, $r3
|
|
subri $r3, $r3, #0x20
|
|
sll $r4, $r4, $r3
|
|
or O1L, O1L, $r4
|
|
.LL14:
|
|
sltsi $r15, $r0, #0
|
|
beqzs8 .LDret
|
|
|
|
subri O1H, O1H, #0
|
|
beqz O1L, .LL15
|
|
subri O1L, O1L, #0
|
|
subi45 O1H, #1
|
|
.LL15:
|
|
|
|
.LDret:
|
|
move $r0, $r1
|
|
move $r1, $r2
|
|
|
|
.LD999:
|
|
pop $lp
|
|
ret5 $lp
|
|
|
|
.LDinfnan:
|
|
move O1H, #0x80000000
|
|
move O1L, #0
|
|
j .LDret
|
|
.size __fixunssfdi, .-__fixunssfdi
|
|
#endif /* L_fixunssfdi */
|
|
|
|
|
|
|
|
#ifdef L_fixunsdfdi
|
|
|
|
#ifndef __big_endian__
|
|
#define P1L $r0
|
|
#define P1H $r1
|
|
#define O1L $r3
|
|
#define O1H $r4
|
|
#else
|
|
#define P1H $r0
|
|
#define P1L $r1
|
|
#define O1H $r3
|
|
#define O1L $r4
|
|
#endif
|
|
.text
|
|
.align 2
|
|
.global __fixunsdfdi
|
|
.type __fixunsdfdi, @function
|
|
__fixunsdfdi:
|
|
push $lp
|
|
pushm $r6, $r6
|
|
|
|
slli $r5, P1H, #1
|
|
srli $r5, $r5, #21
|
|
slli O1H, P1H, #11
|
|
srli $r6, P1L, #21
|
|
or O1H, O1H, $r6
|
|
slli O1L, P1L, #11
|
|
move $r6, #0x80000000
|
|
or O1H, O1H, $r6
|
|
slti $r15, $r5, #0x43e
|
|
beqzs8 .LDnaninf
|
|
subri $r2, $r5, #0x43e
|
|
.LL18:
|
|
move $r6, #0x20
|
|
slt $r15, $r2, $r6
|
|
bnezs8 .LL19
|
|
move O1L, O1H
|
|
move O1H, #0
|
|
addi $r2, $r2, #0xffffffe0
|
|
bnez O1L, .LL18
|
|
.LL19:
|
|
beqz $r2, .LL20
|
|
move P1L, O1H
|
|
srl O1L, O1L, $r2
|
|
srl O1H, O1H, $r2
|
|
subri $r2, $r2, #0x20
|
|
sll P1L, P1L, $r2
|
|
or O1L, O1L, P1L
|
|
.LL20:
|
|
sltsi $r15, P1H, #0
|
|
beqzs8 .LDret
|
|
|
|
subri O1H, O1H, #0
|
|
beqz O1L, .LL21
|
|
subri O1L, O1L, #0
|
|
subi45 O1H, #1
|
|
.LL21:
|
|
|
|
.LDret:
|
|
move P1L, O1L
|
|
move P1H, O1H
|
|
|
|
.LD999:
|
|
popm $r6, $r6
|
|
pop $lp
|
|
ret5 $lp
|
|
|
|
.LDnaninf:
|
|
move O1H, #0x80000000
|
|
move O1L, #0
|
|
j .LDret
|
|
.size __fixunsdfdi, .-__fixunsdfdi
|
|
#endif /* L_fixunsdfdi */
|
|
|
|
|
|
|
|
#ifdef L_si_to_sf
|
|
|
|
.text
|
|
.align 2
|
|
.global __floatsisf
|
|
.type __floatsisf, @function
|
|
__floatsisf:
|
|
push $lp
|
|
|
|
move $r4, #0x80000000
|
|
and $r2, $r0, $r4
|
|
beqz $r0, .Li39
|
|
sltsi $r15, $r0, #0
|
|
beqzs8 .Li40
|
|
subri $r0, $r0, #0
|
|
.Li40:
|
|
move $r1, #0x9e
|
|
#ifdef __NDS32_PERF_EXT__
|
|
clz $r3, $r0
|
|
#else
|
|
pushm $r0, $r2
|
|
pushm $r4, $r5
|
|
bal __clzsi2
|
|
move $r3, $r0
|
|
popm $r4, $r5
|
|
popm $r0, $r2
|
|
#endif
|
|
sub $r1, $r1, $r3
|
|
sll $r0, $r0, $r3
|
|
|
|
#ADD($r0, $0x80)
|
|
move $r15, #0x80
|
|
add $r0, $r0, $r15
|
|
slt $r15, $r0, $r15
|
|
|
|
#ADDC($r1, $0x0)
|
|
add $r1, $r1, $r15
|
|
srai $r4, $r0, #8
|
|
andi $r4, $r4, #1
|
|
sub $r0, $r0, $r4
|
|
slli $r0, $r0, #1
|
|
srli $r0, $r0, #9
|
|
slli $r4, $r1, #23
|
|
or $r0, $r0, $r4
|
|
.Li39:
|
|
or $r0, $r0, $r2
|
|
|
|
.LH999:
|
|
pop $lp
|
|
ret5 $lp
|
|
.size __floatsisf, .-__floatsisf
|
|
#endif /* L_si_to_sf */
|
|
|
|
|
|
|
|
#ifdef L_si_to_df
|
|
|
|
#ifndef __big_endian__
|
|
#define O1L $r1
|
|
#define O1H $r2
|
|
#define O2L $r4
|
|
#define O2H $r5
|
|
#else
|
|
#define O1H $r1
|
|
#define O1L $r2
|
|
#define O2H $r4
|
|
#define O2L $r5
|
|
#endif
|
|
.text
|
|
.align 2
|
|
.global __floatsidf
|
|
.type __floatsidf, @function
|
|
__floatsidf:
|
|
push $lp
|
|
pushm $r6, $r6
|
|
|
|
move O1L, #0
|
|
move O2H, O1L
|
|
move $r3, O1L
|
|
move O1H, $r0
|
|
beqz O1H, .Li39
|
|
sltsi $r15, O1H, #0
|
|
beqzs8 .Li40
|
|
move O2H, #0x80000000
|
|
|
|
subri O1H, O1H, #0
|
|
beqz O1L, .LL71
|
|
subri O1L, O1L, #0
|
|
subi45 O1H, #1
|
|
.LL71:
|
|
.Li40:
|
|
move $r3, #0x41e
|
|
#ifndef __big_endian__
|
|
#ifdef __NDS32_PERF_EXT__
|
|
clz $r4, $r2
|
|
#else
|
|
pushm $r0, $r3
|
|
push $r5
|
|
move $r0, $r2
|
|
bal __clzsi2
|
|
move $r4, $r0
|
|
pop $r5
|
|
popm $r0, $r3
|
|
#endif
|
|
#else /* __big_endian__ */
|
|
#ifdef __NDS32_PERF_EXT__
|
|
clz $r5, $r1
|
|
#else
|
|
pushm $r0, $r4
|
|
move $r0, $r1
|
|
bal __clzsi2
|
|
move $r5, $r0
|
|
popm $r0, $r4
|
|
#endif
|
|
#endif /* __big_endian__ */
|
|
sub $r3, $r3, O2L
|
|
sll O1H, O1H, O2L
|
|
.Li39:
|
|
srli O2L, O1L, #11
|
|
slli $r6, O1H, #21
|
|
or O2L, O2L, $r6
|
|
slli $r6, O1H, #1
|
|
srli $r6, $r6, #12
|
|
or O2H, O2H, $r6
|
|
slli $r6, $r3, #20
|
|
or O2H, O2H, $r6
|
|
move $r0, $r4
|
|
move $r1, $r5
|
|
|
|
.LH999:
|
|
popm $r6, $r6
|
|
pop $lp
|
|
ret5 $lp
|
|
.size __floatsidf, .-__floatsidf
|
|
#endif /* L_si_to_df */
|
|
|
|
|
|
|
|
#ifdef L_floatdisf
|
|
|
|
#ifndef __big_endian__
|
|
#define P1L $r0
|
|
#define P1H $r1
|
|
#define P2L $r2
|
|
#define P2H $r3
|
|
#else
|
|
#define P1H $r0
|
|
#define P1L $r1
|
|
#define P2H $r2
|
|
#define P2L $r3
|
|
#endif
|
|
.text
|
|
.align 2
|
|
.global __floatdisf
|
|
.type __floatdisf, @function
|
|
__floatdisf:
|
|
push $lp
|
|
pushm $r6, $r7
|
|
|
|
move $r7, #0x80000000
|
|
and $r5, P1H, $r7
|
|
move P2H, P1H
|
|
move P2L, P1L
|
|
or $r7, P1H, P1L
|
|
beqz $r7, .Li1
|
|
sltsi $r15, P1H, #0
|
|
beqzs8 .Li2
|
|
|
|
subri P2H, P2H, #0
|
|
beqz P2L, .LL1
|
|
subri P2L, P2L, #0
|
|
subi45 P2H, #1
|
|
.LL1:
|
|
.Li2:
|
|
move $r4, #0xbe
|
|
|
|
|
|
#NORMd($r2, $r6, P1L)
|
|
bnez P2H, .LL2
|
|
bnez P2L, .LL3
|
|
move $r4, #0
|
|
j .LL4
|
|
.LL3:
|
|
move P2H, P2L
|
|
move P2L, #0
|
|
move $r6, #32
|
|
sub $r4, $r4, $r6
|
|
.LL2:
|
|
#ifdef __NDS32_PERF_EXT__
|
|
clz $r6, P2H
|
|
#else
|
|
pushm $r0, $r5
|
|
move $r0, P2H
|
|
bal __clzsi2
|
|
move $r6, $r0
|
|
popm $r0, $r5
|
|
#endif
|
|
beqz $r6, .LL4
|
|
sub $r4, $r4, $r6
|
|
subri P1L, $r6, #32
|
|
srl P1L, P2L, P1L
|
|
sll P2L, P2L, $r6
|
|
sll P2H, P2H, $r6
|
|
or P2H, P2H, P1L
|
|
.LL4:
|
|
#NORMd End
|
|
|
|
beqz P2L, .Li3
|
|
ori P2H, P2H, #1
|
|
.Li3:
|
|
#ADD(P2H, $0x80)
|
|
move $r15, #0x80
|
|
add P2H, P2H, $r15
|
|
slt $r15, P2H, $r15
|
|
|
|
#ADDC($r4, $0x0)
|
|
add $r4, $r4, $r15
|
|
srli $r7, P2H, #8
|
|
andi $r7, $r7, #1
|
|
sub P2H, P2H, $r7
|
|
slli P2H, P2H, #1
|
|
srli P2H, P2H, #9
|
|
slli $r7, $r4, #23
|
|
or P2H, P2H, $r7
|
|
.Li1:
|
|
or $r0, P2H, $r5
|
|
|
|
.LA999:
|
|
popm $r6, $r7
|
|
pop $lp
|
|
ret5 $lp
|
|
.size __floatdisf, .-__floatdisf
|
|
#endif /* L_floatdisf */
|
|
|
|
|
|
|
|
#ifdef L_floatdidf
|
|
|
|
#ifndef __big_endian__
|
|
#define P1L $r0
|
|
#define P1H $r1
|
|
#define P2L $r2
|
|
#define P2H $r3
|
|
#define O1L $r5
|
|
#define O1H $r6
|
|
#else
|
|
#define P1H $r0
|
|
#define P1L $r1
|
|
#define P2H $r2
|
|
#define P2L $r3
|
|
#define O1H $r5
|
|
#define O1L $r6
|
|
#endif
|
|
.text
|
|
.align 2
|
|
.global __floatdidf
|
|
.type __floatdidf, @function
|
|
__floatdidf:
|
|
push $lp
|
|
pushm $r6, $r8
|
|
|
|
move $r4, #0
|
|
move $r7, $r4
|
|
move P2H, P1H
|
|
move P2L, P1L
|
|
or $r8, P1H, P1L
|
|
beqz $r8, .Li1
|
|
move $r4, #0x43e
|
|
sltsi $r15, P1H, #0
|
|
beqzs8 .Li2
|
|
move $r7, #0x80000000
|
|
|
|
subri P2H, P2H, #0
|
|
beqz P2L, .LL1
|
|
subri P2L, P2L, #0
|
|
subi45 P2H, #1
|
|
.LL1:
|
|
|
|
.Li2:
|
|
#NORMd($r2, O1H, O1L)
|
|
bnez P2H, .LL2
|
|
bnez P2L, .LL3
|
|
move $r4, #0
|
|
j .LL4
|
|
.LL3:
|
|
move P2H, P2L
|
|
move P2L, #0
|
|
move O1H, #32
|
|
sub $r4, $r4, O1H
|
|
.LL2:
|
|
#ifdef __NDS32_PERF_EXT__
|
|
clz O1H, P2H
|
|
#else /* not __NDS32_PERF_EXT__ */
|
|
/*
|
|
Replace clz with function call.
|
|
clz O1H, P2H
|
|
EL: clz $r6, $r3
|
|
EB: clz $r5, $r2
|
|
*/
|
|
#ifndef __big_endian__
|
|
pushm $r0, $r5
|
|
move $r0, $r3
|
|
bal __clzsi2
|
|
move $r6, $r0
|
|
popm $r0, $r5
|
|
#else
|
|
pushm $r0, $r4
|
|
move $r0, $r2
|
|
bal __clzsi2
|
|
move $r5, $r0
|
|
popm $r0, $r4
|
|
#endif
|
|
#endif /* not __NDS32_PERF_EXT__ */
|
|
beqz O1H, .LL4
|
|
sub $r4, $r4, O1H
|
|
subri O1L, O1H, #32
|
|
srl O1L, P2L, O1L
|
|
sll P2L, P2L, O1H
|
|
sll P2H, P2H, O1H
|
|
or P2H, P2H, O1L
|
|
.LL4:
|
|
#NORMd End
|
|
|
|
#ADD(P2L, $0x400)
|
|
move $r15, #0x400
|
|
add P2L, P2L, $r15
|
|
slt $r15, P2L, $r15
|
|
|
|
|
|
#ADDCC(P2H, $0x0)
|
|
beqzs8 .LL7
|
|
add P2H, P2H, $r15
|
|
slt $r15, P2H, $r15
|
|
.LL7:
|
|
|
|
#ADDC($r4, $0x0)
|
|
add $r4, $r4, $r15
|
|
srli $r8, P2L, #11
|
|
andi $r8, $r8, #1
|
|
sub P2L, P2L, $r8
|
|
.Li1:
|
|
srli O1L, P2L, #11
|
|
slli $r8, P2H, #21
|
|
or O1L, O1L, $r8
|
|
slli O1H, P2H, #1
|
|
srli O1H, O1H, #12
|
|
slli $r8, $r4, #20
|
|
or O1H, O1H, $r8
|
|
or O1H, O1H, $r7
|
|
move P1L, O1L
|
|
move P1H, O1H
|
|
|
|
.LA999:
|
|
popm $r6, $r8
|
|
pop $lp
|
|
ret5 $lp
|
|
.size __floatdidf, .-__floatdidf
|
|
#endif /* L_floatdidf */
|
|
|
|
|
|
|
|
#ifdef L_floatunsisf
|
|
|
|
.text
|
|
.align 2
|
|
.global __floatunsisf
|
|
.type __floatunsisf, @function
|
|
__floatunsisf:
|
|
push $lp
|
|
|
|
beqz $r0, .Li41
|
|
move $r2, #0x9e
|
|
#ifdef __NDS32_PERF_EXT__
|
|
clz $r1, $r0
|
|
#else
|
|
push $r0
|
|
pushm $r2, $r5
|
|
bal __clzsi2
|
|
move $r1, $r0
|
|
popm $r2, $r5
|
|
pop $r0
|
|
#endif
|
|
|
|
sub $r2, $r2, $r1
|
|
sll $r0, $r0, $r1
|
|
|
|
#ADD($r0, $0x80)
|
|
move $r15, #0x80
|
|
add $r0, $r0, $r15
|
|
slt $r15, $r0, $r15
|
|
|
|
#ADDC($r2, $0x0)
|
|
add $r2, $r2, $r15
|
|
srli $r3, $r0, #8
|
|
andi $r3, $r3, #1
|
|
sub $r0, $r0, $r3
|
|
slli $r0, $r0, #1
|
|
srli $r0, $r0, #9
|
|
slli $r3, $r2, #23
|
|
or $r0, $r0, $r3
|
|
|
|
.Li41:
|
|
.LI999:
|
|
pop $lp
|
|
ret5 $lp
|
|
.size __floatunsisf, .-__floatunsisf
|
|
#endif /* L_floatunsisf */
|
|
|
|
|
|
|
|
#ifdef L_floatunsidf
|
|
|
|
#ifndef __big_endian__
|
|
#define O1L $r1
|
|
#define O1H $r2
|
|
#define O2L $r4
|
|
#define O2H $r5
|
|
#else
|
|
#define O1H $r1
|
|
#define O1L $r2
|
|
#define O2H $r4
|
|
#define O2L $r5
|
|
#endif
|
|
.text
|
|
.align 2
|
|
.global __floatunsidf
|
|
.type __floatunsidf, @function
|
|
__floatunsidf:
|
|
push $lp
|
|
pushm $r6, $r6
|
|
|
|
move O1L, #0
|
|
move $r3, O1L
|
|
move O1H, $r0
|
|
beqz O1H, .Li41
|
|
move $r3, #0x41e
|
|
#ifndef __big_endian__
|
|
#ifdef __NDS32_PERF_EXT__
|
|
clz $r5, $r2
|
|
#else
|
|
pushm $r0, $r4
|
|
move $r0, $r2
|
|
bal __clzsi2
|
|
move $r5, $r0
|
|
popm $r0, $r4
|
|
#endif
|
|
#else /* __big_endian__ */
|
|
#ifdef __NDS32_PERF_EXT__
|
|
clz $r4, $r1
|
|
#else
|
|
pushm $r0, $r3
|
|
push $r5
|
|
move $r0, $r1
|
|
bal __clzsi2
|
|
move $r4, $r0
|
|
pop $r5
|
|
popm $r0, $r3
|
|
#endif
|
|
#endif /* __big_endian__ */
|
|
sub $r3, $r3, O2H
|
|
sll O1H, O1H, O2H
|
|
.Li41:
|
|
srli O2L, O1L, #11
|
|
slli $r6, O1H, #21
|
|
or O2L, O2L, $r6
|
|
slli O2H, O1H, #1
|
|
srli O2H, O2H, #12
|
|
slli $r6, $r3, #20
|
|
or O2H, O2H, $r6
|
|
move $r0, $r4
|
|
move $r1, $r5
|
|
|
|
.LI999:
|
|
popm $r6, $r6
|
|
pop $lp
|
|
ret5 $lp
|
|
.size __floatunsidf, .-__floatunsidf
|
|
#endif /* L_floatunsidf */
|
|
|
|
|
|
|
|
#ifdef L_floatundisf
|
|
|
|
#ifndef __big_endian__
|
|
#define P1L $r0
|
|
#define P1H $r1
|
|
#define P2L $r2
|
|
#define P2H $r3
|
|
#else
|
|
#define P1H $r0
|
|
#define P1L $r1
|
|
#define P2H $r2
|
|
#define P2L $r3
|
|
#endif
|
|
.text
|
|
.align 2
|
|
.global __floatundisf
|
|
.type __floatundisf, @function
|
|
__floatundisf:
|
|
push $lp
|
|
pushm $r6, $r6
|
|
|
|
move P2H, P1H
|
|
move P2L, P1L
|
|
or $r6, P1H, P1L
|
|
beqz $r6, .Li4
|
|
move $r4, #0xbe
|
|
|
|
|
|
#NORMd($r2, $r5, P1L)
|
|
bnez P2H, .LL5
|
|
bnez P2L, .LL6
|
|
move $r4, #0
|
|
j .LL7
|
|
.LL6:
|
|
move P2H, P2L
|
|
move P2L, #0
|
|
move $r5, #32
|
|
sub $r4, $r4, $r5
|
|
.LL5:
|
|
#ifdef __NDS32_PERF_EXT__
|
|
clz $r5, P2H
|
|
#else
|
|
pushm $r0, $r4
|
|
move $r0, P2H
|
|
bal __clzsi2
|
|
move $r5, $r0
|
|
popm $r0, $r4
|
|
#endif
|
|
beqz $r5, .LL7
|
|
sub $r4, $r4, $r5
|
|
subri P1L, $r5, #32
|
|
srl P1L, P2L, P1L
|
|
sll P2L, P2L, $r5
|
|
sll P2H, P2H, $r5
|
|
or P2H, P2H, P1L
|
|
.LL7:
|
|
#NORMd End
|
|
|
|
beqz P2L, .Li5
|
|
ori P2H, P2H, #1
|
|
.Li5:
|
|
#ADD(P2H, $0x80)
|
|
move $r15, #0x80
|
|
add P2H, P2H, $r15
|
|
slt $r15, P2H, $r15
|
|
|
|
#ADDC($r4, $0x0)
|
|
add $r4, $r4, $r15
|
|
srli $r6, P2H, #8
|
|
andi $r6, $r6, #1
|
|
sub P2H, P2H, $r6
|
|
slli P2H, P2H, #1
|
|
srli P2H, P2H, #9
|
|
slli $r6, $r4, #23
|
|
or P2H, P2H, $r6
|
|
.Li4:
|
|
move $r0, P2H
|
|
|
|
.LB999:
|
|
popm $r6, $r6
|
|
pop $lp
|
|
ret5 $lp
|
|
.size __floatundisf, .-__floatundisf
|
|
#endif /* L_floatundisf */
|
|
|
|
|
|
|
|
#ifdef L_floatundidf
|
|
|
|
#ifndef __big_endian__
|
|
#define P1L $r0
|
|
#define P1H $r1
|
|
#define P2L $r2
|
|
#define P2H $r3
|
|
#define O1L $r5
|
|
#define O1H $r6
|
|
#else
|
|
#define P1H $r0
|
|
#define P1L $r1
|
|
#define P2H $r2
|
|
#define P2L $r3
|
|
#define O1H $r5
|
|
#define O1L $r6
|
|
#endif
|
|
.text
|
|
.align 2
|
|
.global __floatundidf
|
|
.type __floatundidf, @function
|
|
__floatundidf:
|
|
push $lp
|
|
pushm $r6, $r7
|
|
|
|
move $r4, #0
|
|
move P2H, P1H
|
|
move P2L, P1L
|
|
or $r7, P1H, P1L
|
|
beqz $r7, .Li3
|
|
move $r4, #0x43e
|
|
|
|
|
|
#NORMd($r2, O1H, O1L)
|
|
bnez P2H, .LL8
|
|
bnez P2L, .LL9
|
|
move $r4, #0
|
|
j .LL10
|
|
.LL9:
|
|
move P2H, P2L
|
|
move P2L, #0
|
|
move O1H, #32
|
|
sub $r4, $r4, O1H
|
|
.LL8:
|
|
#ifdef __NDS32_PERF_EXT__
|
|
clz O1H, P2H
|
|
#else /* not __NDS32_PERF_EXT__ */
|
|
/*
|
|
Replace clz with function call.
|
|
clz O1H, P2H
|
|
EL: clz $r6, $r3
|
|
EB: clz $r5, $r2
|
|
*/
|
|
#ifndef __big_endian__
|
|
pushm $r0, $r5
|
|
move $r0, $r3
|
|
bal __clzsi2
|
|
move $r6, $r0
|
|
popm $r0, $r5
|
|
#else
|
|
pushm $r0, $r4
|
|
move $r0, $r2
|
|
bal __clzsi2
|
|
move $r5, $r0
|
|
popm $r0, $r4
|
|
#endif
|
|
#endif /* not __NDS32_PERF_EXT__ */
|
|
beqz O1H, .LL10
|
|
sub $r4, $r4, O1H
|
|
subri O1L, O1H, #32
|
|
srl O1L, P2L, O1L
|
|
sll P2L, P2L, O1H
|
|
sll P2H, P2H, O1H
|
|
or P2H, P2H, O1L
|
|
.LL10:
|
|
#NORMd End
|
|
|
|
#ADD(P2L, $0x400)
|
|
move $r15, #0x400
|
|
add P2L, P2L, $r15
|
|
slt $r15, P2L, $r15
|
|
|
|
|
|
#ADDCC(P2H, $0x0)
|
|
beqzs8 .LL13
|
|
add P2H, P2H, $r15
|
|
slt $r15, P2H, $r15
|
|
.LL13:
|
|
|
|
#ADDC($r4, $0x0)
|
|
add $r4, $r4, $r15
|
|
srli $r7, P2L, #11
|
|
andi $r7, $r7, #1
|
|
sub P2L, P2L, $r7
|
|
.Li3:
|
|
srli O1L, P2L, #11
|
|
slli $r7, P2H, #21
|
|
or O1L, O1L, $r7
|
|
slli O1H, P2H, #1
|
|
srli O1H, O1H, #12
|
|
slli $r7, $r4, #20
|
|
or O1H, O1H, $r7
|
|
move P1L, O1L
|
|
move P1H, O1H
|
|
|
|
.LB999:
|
|
popm $r6, $r7
|
|
pop $lp
|
|
ret5 $lp
|
|
.size __floatundidf, .-__floatundidf
|
|
#endif /* L_floatundidf */
|
|
|
|
|
|
|
|
#ifdef L_compare_sf
|
|
|
|
.text
|
|
.align 2
|
|
.global __cmpsf2
|
|
.type __cmpsf2, @function
|
|
__cmpsf2:
|
|
.global __eqsf2
|
|
.type __eqsf2, @function
|
|
__eqsf2:
|
|
.global __ltsf2
|
|
.type __ltsf2, @function
|
|
__ltsf2:
|
|
.global __lesf2
|
|
.type __lesf2, @function
|
|
__lesf2:
|
|
.global __nesf2
|
|
.type __nesf2, @function
|
|
__nesf2:
|
|
move $r4, #1
|
|
j .LA
|
|
|
|
.global __gesf2
|
|
.type __gesf2, @function
|
|
__gesf2:
|
|
.global __gtsf2
|
|
.type __gtsf2, @function
|
|
__gtsf2:
|
|
move $r4, #-1
|
|
.LA:
|
|
push $lp
|
|
|
|
slli $r2, $r0, #1
|
|
slli $r3, $r1, #1
|
|
or $r5, $r2, $r3
|
|
beqz $r5, .LMequ
|
|
move $r5, #0xff000000
|
|
slt $r15, $r5, $r2
|
|
bnezs8 .LMnan
|
|
slt $r15, $r5, $r3
|
|
bnezs8 .LMnan
|
|
srli $r2, $r2, #1
|
|
sltsi $r15, $r0, #0
|
|
beqzs8 .Li48
|
|
subri $r2, $r2, #0
|
|
.Li48:
|
|
srli $r3, $r3, #1
|
|
sltsi $r15, $r1, #0
|
|
beqzs8 .Li49
|
|
subri $r3, $r3, #0
|
|
.Li49:
|
|
slts $r15, $r2, $r3
|
|
beqzs8 .Li50
|
|
move $r0, #-1
|
|
j .LM999
|
|
.Li50:
|
|
slts $r15, $r3, $r2
|
|
beqzs8 .LMequ
|
|
move $r0, #1
|
|
j .LM999
|
|
|
|
.LMequ:
|
|
move $r0, #0
|
|
|
|
.LM999:
|
|
pop $lp
|
|
ret5 $lp
|
|
|
|
.LMnan:
|
|
move $r0, $r4
|
|
j .LM999
|
|
.size __cmpsf2, .-__cmpsf2
|
|
.size __eqsf2, .-__eqsf2
|
|
.size __ltsf2, .-__ltsf2
|
|
.size __lesf2, .-__lesf2
|
|
.size __nesf2, .-__nesf2
|
|
.size __gesf2, .-__gesf2
|
|
.size __gtsf2, .-__gtsf2
|
|
#endif /* L_compare_sf */
|
|
|
|
|
|
|
|
#ifdef L_compare_df
|
|
|
|
#ifdef __big_endian__
|
|
#define P1H $r0
|
|
#define P1L $r1
|
|
#define P2H $r2
|
|
#define P2L $r3
|
|
#else
|
|
#define P1H $r1
|
|
#define P1L $r0
|
|
#define P2H $r3
|
|
#define P2L $r2
|
|
#endif
|
|
.align 2
|
|
.globl __gtdf2
|
|
.globl __gedf2
|
|
.globl __ltdf2
|
|
.globl __ledf2
|
|
.globl __eqdf2
|
|
.globl __nedf2
|
|
.globl __cmpdf2
|
|
.type __gtdf2, @function
|
|
.type __gedf2, @function
|
|
.type __ltdf2, @function
|
|
.type __ledf2, @function
|
|
.type __eqdf2, @function
|
|
.type __nedf2, @function
|
|
.type __cmpdf2, @function
|
|
__gtdf2:
|
|
__gedf2:
|
|
movi $r4, -1
|
|
b .L1
|
|
|
|
__ltdf2:
|
|
__ledf2:
|
|
__cmpdf2:
|
|
__nedf2:
|
|
__eqdf2:
|
|
movi $r4, 1
|
|
.L1:
|
|
#if defined (__NDS32_ISA_V3M__)
|
|
push25 $r10, 0
|
|
#else
|
|
smw.adm $r6, [$sp], $r9, 0
|
|
#endif
|
|
|
|
sethi $r5, 0x7ff00
|
|
and $r6, P1H, $r5 ! r6=aExp
|
|
and $r7, P2H, $r5 ! r7=bExp
|
|
slli $r8, P1H, 12 ! r8=aSig0
|
|
slli $r9, P2H, 12 ! r9=bSig0
|
|
beq $r6, $r5, .L11 ! aExp==0x7ff
|
|
beq $r7, $r5, .L12 ! bExp==0x7ff
|
|
.L2:
|
|
slli $ta, P1H, 1 ! ta=ahigh<<1
|
|
or $ta, P1L, $ta !
|
|
xor $r5, P1H, P2H ! r5=ahigh^bhigh
|
|
beqz $ta, .L3 ! if(ahigh<<1)==0,go .L3
|
|
!-------------------------------
|
|
! (ahigh<<1)!=0 || (bhigh<<1)!=0
|
|
!-------------------------------
|
|
.L4:
|
|
beqz $r5, .L5 ! ahigh==bhigh, go .L5
|
|
!--------------------
|
|
! a != b
|
|
!--------------------
|
|
.L6:
|
|
bltz $r5, .L7 ! if(aSign!=bSign), go .L7
|
|
!--------------------
|
|
! aSign==bSign
|
|
!--------------------
|
|
slt $ta, $r6, $r7 ! ta=(aExp<bExp)
|
|
bne $r6, $r7, .L8 ! if(aExp!=bExp),go .L8
|
|
slt $ta, $r8, $r9 ! ta=(aSig0<bSig0)
|
|
bne $r8, $r9, .L8 ! if(aSig0!=bSig0),go .L8
|
|
slt $ta, P1L, P2L ! ta=(aSig1<bSig1)
|
|
.L8:
|
|
beqz $ta, .L10 ! if(|a|>|b|), go .L10
|
|
nor $r0, P2H, P2H ! if(|a|<|b|),return (~yh)
|
|
.L14:
|
|
#if defined (__NDS32_ISA_V3M__)
|
|
pop25 $r10, 0
|
|
#else
|
|
lmw.bim $r6, [$sp], $r9, 0
|
|
ret
|
|
#endif
|
|
.L10:
|
|
ori $r0, P2H, 1 ! return (yh|1)
|
|
b .L14
|
|
!--------------------
|
|
! (ahigh<<1)=0
|
|
!--------------------
|
|
.L3:
|
|
slli $ta, P2H, 1 ! ta=bhigh<<1
|
|
or $ta, P2L, $ta !
|
|
bnez $ta, .L4 ! ta=(bhigh<<1)!=0,go .L4
|
|
.L5:
|
|
xor $ta, P1L, P2L ! ta=alow^blow
|
|
bnez $ta, .L6 ! alow!=blow,go .L6
|
|
movi $r0, 0 ! a==b, return 0
|
|
b .L14
|
|
!--------------------
|
|
! aExp=0x7ff;
|
|
!--------------------
|
|
.L11:
|
|
or P1L, P1L, $r8 ! x1=(aSig0|aSig1)
|
|
bnez P1L, .L13 ! if(a=nan), go.L13
|
|
xor $ta, $r7, $r5 ! ta=(bExp^0x7ff)
|
|
bnez $ta, .L2 ! if(bExp!=0x7ff), go .L2
|
|
!--------------------
|
|
! bExp=0x7ff;
|
|
!--------------------
|
|
.L12:
|
|
or $ta, P2L, $r9 ! ta=(bSig0|bSig1)
|
|
beqz $ta, .L2 ! if(b!=nan), go .L2
|
|
.L13:
|
|
move $r0, $r4
|
|
b .L14
|
|
!--------------------
|
|
! aSign!=bSign
|
|
!--------------------
|
|
.L7:
|
|
ori $r0, P1H, 1 ! if(aSign!=bSign), return (ahigh|1)
|
|
b .L14
|
|
|
|
.size __gtdf2, .-__gtdf2
|
|
.size __gedf2, .-__gedf2
|
|
.size __ltdf2, .-__ltdf2
|
|
.size __ledf2, .-__ledf2
|
|
.size __eqdf2, .-__eqdf2
|
|
.size __nedf2, .-__nedf2
|
|
.size __cmpdf2, .-__cmpdf2
|
|
#endif /* L_compare_df */
|
|
|
|
|
|
|
|
#ifdef L_unord_sf
|
|
|
|
.text
|
|
.align 2
|
|
.global __unordsf2
|
|
.type __unordsf2, @function
|
|
__unordsf2:
|
|
push $lp
|
|
|
|
slli $r2, $r0, #1
|
|
move $r3, #0xff000000
|
|
slt $r15, $r3, $r2
|
|
beqzs8 .Li52
|
|
move $r0, #1
|
|
j .LP999
|
|
.Li52:
|
|
slli $r2, $r1, #1
|
|
move $r3, #0xff000000
|
|
slt $r15, $r3, $r2
|
|
beqzs8 .Li53
|
|
move $r0, #1
|
|
j .LP999
|
|
.Li53:
|
|
move $r0, #0
|
|
|
|
.LP999:
|
|
pop $lp
|
|
ret5 $lp
|
|
.size __unordsf2, .-__unordsf2
|
|
#endif /* L_unord_sf */
|
|
|
|
|
|
|
|
#ifdef L_unord_df
|
|
|
|
#ifndef __big_endian__
|
|
#define P1L $r0
|
|
#define P1H $r1
|
|
#define P2L $r2
|
|
#define P2H $r3
|
|
#else
|
|
#define P1H $r0
|
|
#define P1L $r1
|
|
#define P2H $r2
|
|
#define P2L $r3
|
|
#endif
|
|
.text
|
|
.align 2
|
|
.global __unorddf2
|
|
.type __unorddf2, @function
|
|
__unorddf2:
|
|
push $lp
|
|
|
|
slli $r4, P1H, #1
|
|
beqz P1L, .Li66
|
|
addi $r4, $r4, #1
|
|
.Li66:
|
|
move $r5, #0xffe00000
|
|
slt $r15, $r5, $r4
|
|
beqzs8 .Li67
|
|
move $r0, #1
|
|
j .LR999
|
|
.Li67:
|
|
slli $r4, P2H, #1
|
|
beqz P2L, .Li68
|
|
addi $r4, $r4, #1
|
|
.Li68:
|
|
move $r5, #0xffe00000
|
|
slt $r15, $r5, $r4
|
|
beqzs8 .Li69
|
|
move $r0, #1
|
|
j .LR999
|
|
.Li69:
|
|
move $r0, #0
|
|
|
|
.LR999:
|
|
pop $lp
|
|
ret5 $lp
|
|
.size __unorddf2, .-__unorddf2
|
|
#endif /* L_unord_df */
|
|
/* ------------------------------------------- */
|
|
/* DPBIT floating point operations for libgcc */
|
|
/* ------------------------------------------- */
|