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* Add new port for score.

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From-SVN: r117597
This commit is contained in:
Chen Liqin 2006-10-10 07:50:29 +00:00 committed by Chen Liqin
parent 07d83dadc4
commit bdcee4712e
22 changed files with 5270 additions and 1 deletions
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4
ChangeLog
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@ -1,3 +1,7 @@
2006-10-10 Chen Liqin <liqin@sunnorth.com.cn>
* MAINTAINERS: Add self as score port maintainer.
2006-10-04 Brooks Moses <bmoses@stanford.edu> 2006-10-04 Brooks Moses <bmoses@stanford.edu>
* MAINTAINERS (Write After Approval): Add myself. * MAINTAINERS (Write After Approval): Add myself.

8
gcc/config.gcc
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@ -309,6 +309,9 @@ powerpc*-*-*)
rs6000*-*-*) rs6000*-*-*)
need_64bit_hwint=yes need_64bit_hwint=yes
;; ;;
score*-*-*)
cpu_type=score
;;
sparc64*-*-*) sparc64*-*-*)
cpu_type=sparc cpu_type=sparc
need_64bit_hwint=yes need_64bit_hwint=yes
@ -1932,6 +1935,11 @@ s390x-ibm-tpf*)
thread_file='tpf' thread_file='tpf'
extra_options="${extra_options} s390/tpf.opt" extra_options="${extra_options} s390/tpf.opt"
;; ;;
score-*-elf)
tm_file="dbxelf.h elfos.h score/elf.h score/score.h"
tmake_file=score/t-score-elf
extra_objs="score-mdaux.o"
;;
sh-*-elf* | sh[12346l]*-*-elf* | sh*-*-kaos* | \ sh-*-elf* | sh[12346l]*-*-elf* | sh*-*-kaos* | \
sh-*-symbianelf* | sh[12346l]*-*-symbianelf* | \ sh-*-symbianelf* | sh[12346l]*-*-symbianelf* | \
sh-*-linux* | sh[346lbe]*-*-linux* | \ sh-*-linux* | sh[346lbe]*-*-linux* | \

85
gcc/config/score/crti.asm Normal file
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@ -0,0 +1,85 @@
# crti.asm for Sunplus S+CORE
#
# Copyright (C) 2005 Free Software Foundation, Inc.
#
# This file is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the
# Free Software Foundation; either version 2, or (at your option) any
# later version.
#
# In addition to the permissions in the GNU General Public License, the
# Free Software Foundation gives you unlimited permission to link the
# compiled version of this file with other programs, and to distribute
# those programs without any restriction coming from the use of this
# file. (The General Public License restrictions do apply in other
# respects; for example, they cover modification of the file, and
# distribution when not linked into another program.)
#
# This file is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with GCC; see the file COPYING. If not, write to the Free
# Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
# 02110-1301, USA.
#
# As a special exception, if you link this library with files
# compiled with GCC to produce an executable, this does not cause
# the resulting executable to be covered by the GNU General Public License.
# This exception does not however invalidate any other reasons why
# the executable file might be covered by the GNU General Public License.
#
# This file makes a stack frame for the contents of the .init and
# .fini sections.
.section .init,"ax", @progbits
.weak _start
.ent _start
.frame r0, 0, r3, 0
.mask 0x00000000, 0
_start:
la r28, _gp
la r8, __bss_start
la r9, __bss_end__
sub! r9, r8
srli! r9, 2
addi r9, -1
mtsr r9, sr0
li r9, 0
1:
sw r9, [r8]+, 4
bcnz 1b
la r0, _stack
jl _init
la r4, _end
jl _init_argv
jl exit
.end _start
.weak _init_argv
.ent
.frame r0, 0, r3, 0
.mask 0x00000000, 0
_init_argv:
ldiu! r4, 0
ldiu! r5, 0
j main
.end _init_argv
.globl _init
.type _init, %function
_init:
addi r0, -32
sw r3, [r0, 20]
.section .fini, "ax", @progbits
.globl _fini
.type _fini, %function
_fini:
addi r0, -32
sw r3, [r0, 20]

47
gcc/config/score/crtn.asm Normal file
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@ -0,0 +1,47 @@
# crtn.asm for Sunplus S+CORE
# Copyright (C) 2005 Free Software Foundation, Inc.
#
# This file is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the
# Free Software Foundation; either version 2, or (at your option) any
# later version.
#
# In addition to the permissions in the GNU General Public License, the
# Free Software Foundation gives you unlimited permission to link the
# compiled version of this file with other programs, and to distribute
# those programs without any restriction coming from the use of this
# file. (The General Public License restrictions do apply in other
# respects; for example, they cover modification of the file, and
# distribution when not linked into another program.)
#
# This file is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with GCC; see the file COPYING. If not, write to the Free
# Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
# 02110-1301, USA.
#
# As a special exception, if you link this library with files
# compiled with GCC to produce an executable, this does not cause
# the resulting executable to be covered by the GNU General Public License.
# This exception does not however invalidate any other reasons why
# the executable file might be covered by the GNU General Public License.
#
# This file makes sure that the .init and .fini sections do in
# fact return.
.section .init, "ax", @progbits
lw r3, [r0, 20]
addi r0, 32
br r3
.section .fini, "ax", @progbits
lw r3, [r0, 20]
addi r0, 32
br r3

101
gcc/config/score/elf.h Normal file
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@ -0,0 +1,101 @@
/* elf.h for Sunplus S+CORE processor
Copyright (C) 2005 Free Software Foundation, Inc.
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published
by the Free Software Foundation; either version 2, or (at your
option) any later version.
GCC is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
License for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING. If not, write to
the Free Software Foundation, 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA. */
#define OBJECT_FORMAT_ELF
/* Biggest alignment supported by the object file format of this machine. */
#undef MAX_OFILE_ALIGNMENT
#define MAX_OFILE_ALIGNMENT (32768 * 8)
/* Switch into a generic section. */
#undef TARGET_ASM_NAMED_SECTION
#define TARGET_ASM_NAMED_SECTION default_elf_asm_named_section
/* The following macro defines the format used to output the second
operand of the .type assembler directive. */
#define TYPE_OPERAND_FMT "@%s"
#undef TYPE_ASM_OP
#define TYPE_ASM_OP "\t.type\t"
#undef SIZE_ASM_OP
#define SIZE_ASM_OP "\t.size\t"
/* A c expression whose value is a string containing the
assembler operation to identify the following data as
uninitialized global data. */
#ifndef BSS_SECTION_ASM_OP
#define BSS_SECTION_ASM_OP "\t.section\t.bss"
#endif
#ifndef ASM_OUTPUT_ALIGNED_BSS
#define ASM_OUTPUT_ALIGNED_BSS asm_output_aligned_bss
#endif
#define ASM_OUTPUT_DEF(FILE, LABEL1, LABEL2) \
do { \
fputc ('\t', FILE); \
assemble_name (FILE, LABEL1); \
fputs (" = ", FILE); \
assemble_name (FILE, LABEL2); \
fputc ('\n', FILE); \
} while (0)
/* This is how we tell the assembler that a symbol is weak. */
#undef ASM_WEAKEN_LABEL
#define ASM_WEAKEN_LABEL(FILE, NAME) ASM_OUTPUT_WEAK_ALIAS (FILE, NAME, 0)
#define ASM_OUTPUT_WEAK_ALIAS(FILE, NAME, VALUE) \
do { \
fputs ("\t.weak\t", FILE); \
assemble_name (FILE, NAME); \
if (VALUE) \
{ \
fputc (' ', FILE); \
assemble_name (FILE, VALUE); \
} \
fputc ('\n', FILE); \
} while (0)
#define MAKE_DECL_ONE_ONLY(DECL) (DECL_WEAK (DECL) = 1)
/* On elf, we *do* have support for the .init and .fini sections, and we
can put stuff in there to be executed before and after `main'. We let
crtstuff.c and other files know this by defining the following symbols.
The definitions say how to change sections to the .init and .fini
sections. This is the same for all known elf assemblers. */
#undef INIT_SECTION_ASM_OP
#define INIT_SECTION_ASM_OP "\t.section\t.init"
#undef FINI_SECTION_ASM_OP
#define FINI_SECTION_ASM_OP "\t.section\t.fini"
/* Don't set the target flags, this is done by the linker script */
#undef LIB_SPEC
#define LIB_SPEC ""
#undef STARTFILE_SPEC
#define STARTFILE_SPEC "crti%O%s crtbegin%O%s"
#undef ENDFILE_SPEC
#define ENDFILE_SPEC "crtend%O%s crtn%O%s"
/* We support #pragma. */
#define HANDLE_SYSV_PRAGMA 1

181
gcc/config/score/mac.md Normal file
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@ -0,0 +1,181 @@
;; Machine description for Sunplus S+CORE
;; Copyright (C) 2005
;; Free Software Foundation, Inc.
;; Contributed by Sunnorth.
;; This file is part of GCC.
;; GCC is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation; either version 2, or (at your option)
;; any later version.
;; GCC is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with GCC; see the file COPYING. If not, write to
;; the Free Software Foundation, 51 Franklin Street, Fifth Floor,
;; Boston, MA 02110-1301, USA.
;;- See file "rtl.def" for documentation on define_insn, match_*, et. al.
(define_insn "smaxsi3"
[(set (match_operand:SI 0 "register_operand" "=d")
(smax:SI (match_operand:SI 1 "register_operand" "d")
(match_operand:SI 2 "register_operand" "d")))]
"TARGET_MAC"
"max %0, %1, %2"
[(set_attr "type" "arith")
(set_attr "mode" "SI")])
(define_insn "sminsi3"
[(set (match_operand:SI 0 "register_operand" "=d")
(smin:SI (match_operand:SI 1 "register_operand" "d")
(match_operand:SI 2 "register_operand" "d")))]
"TARGET_MAC"
"min %0, %1, %2"
[(set_attr "type" "arith")
(set_attr "mode" "SI")])
(define_insn "abssi2"
[(set (match_operand:SI 0 "register_operand" "=d")
(abs:SI (match_operand:SI 1 "register_operand" "d")))]
"TARGET_MAC"
"abs %0, %1"
[(set_attr "type" "arith")
(set_attr "mode" "SI")])
(define_insn "clzsi2"
[(set (match_operand:SI 0 "register_operand" "=d")
(clz:SI (match_operand:SI 1 "register_operand" "d")))]
"TARGET_MAC"
"clz %0, %1"
[(set_attr "type" "arith")
(set_attr "mode" "SI")])
(define_insn "sffs"
[(set (match_operand:SI 0 "register_operand" "=d")
(unspec:SI [(match_operand:SI 1 "register_operand" "d")] SFFS))]
"TARGET_MAC"
"bitrev %0, %1, r0\;clz %0, %0\;addi %0, 0x1"
[(set_attr "type" "arith")
(set_attr "mode" "SI")])
(define_expand "ffssi2"
[(set (match_operand:SI 0 "register_operand")
(ffs:SI (match_operand:SI 1 "register_operand")))]
"TARGET_MAC"
{
emit_insn (gen_sffs (operands[0], operands[1]));
emit_insn (gen_rtx_SET (VOIDmode, gen_rtx_REG (CC_NZmode, CC_REGNUM),
gen_rtx_COMPARE (CC_NZmode, operands[0],
GEN_INT (33))));
emit_insn (gen_movsicc_internal (operands[0],
gen_rtx_fmt_ee (EQ, VOIDmode, operands[0], GEN_INT (33)),
GEN_INT (0),
operands[0]));
DONE;
})
(define_peephole2
[(set (match_operand:SI 0 "loreg_operand" "")
(match_operand:SI 1 "register_operand" ""))
(set (match_operand:SI 2 "hireg_operand" "")
(match_operand:SI 3 "register_operand" ""))]
"TARGET_MAC"
[(parallel
[(set (match_dup 0) (match_dup 1))
(set (match_dup 2) (match_dup 3))])])
(define_peephole2
[(set (match_operand:SI 0 "hireg_operand" "")
(match_operand:SI 1 "register_operand" ""))
(set (match_operand:SI 2 "loreg_operand" "")
(match_operand:SI 3 "register_operand" ""))]
"TARGET_MAC"
[(parallel
[(set (match_dup 2) (match_dup 3))
(set (match_dup 0) (match_dup 1))])])
(define_insn "movtohilo"
[(parallel
[(set (match_operand:SI 0 "loreg_operand" "=l")
(match_operand:SI 1 "register_operand" "d"))
(set (match_operand:SI 2 "hireg_operand" "=h")
(match_operand:SI 3 "register_operand" "d"))])]
"TARGET_MAC"
"mtcehl %3, %1"
[(set_attr "type" "fce")
(set_attr "mode" "SI")])
(define_insn "mulsi3addsi"
[(set (match_operand:SI 0 "register_operand" "=l,l,d")
(plus:SI (mult:SI (match_operand:SI 2 "register_operand" "d,d,d")
(match_operand:SI 3 "register_operand" "d,d,d"))
(match_operand:SI 1 "register_operand" "0,d,l")))
(clobber (reg:SI HI_REGNUM))]
"TARGET_MAC"
"@
mad %2, %3
mtcel%S1 %1\;mad %2, %3
mad %2, %3\;mfcel%S0 %0"
[(set_attr "mode" "SI")])
(define_insn "mulsi3subsi"
[(set (match_operand:SI 0 "register_operand" "=l,l,d")
(minus:SI (match_operand:SI 1 "register_operand" "0,d,l")
(mult:SI (match_operand:SI 2 "register_operand" "d,d,d")
(match_operand:SI 3 "register_operand" "d,d,d"))))
(clobber (reg:SI HI_REGNUM))]
"TARGET_MAC"
"@
msb %2, %3
mtcel%S1 %1\;msb %2, %3
msb %2, %3\;mfcel%S0 %0"
[(set_attr "mode" "SI")])
(define_insn "mulsidi3adddi"
[(set (match_operand:DI 0 "register_operand" "=x")
(plus:DI (mult:DI
(sign_extend:DI (match_operand:SI 2 "register_operand" "%d"))
(sign_extend:DI (match_operand:SI 3 "register_operand" "d")))
(match_operand:DI 1 "register_operand" "0")))]
"TARGET_MAC"
"mad %2, %3"
[(set_attr "mode" "DI")])
(define_insn "umulsidi3adddi"
[(set (match_operand:DI 0 "register_operand" "=x")
(plus:DI (mult:DI
(zero_extend:DI (match_operand:SI 2 "register_operand" "%d"))
(zero_extend:DI (match_operand:SI 3 "register_operand" "d")))
(match_operand:DI 1 "register_operand" "0")))]
"TARGET_MAC"
"madu %2, %3"
[(set_attr "mode" "DI")])
(define_insn "mulsidi3subdi"
[(set (match_operand:DI 0 "register_operand" "=x")
(minus:DI
(match_operand:DI 1 "register_operand" "0")
(mult:DI
(sign_extend:DI (match_operand:SI 2 "register_operand" "%d"))
(sign_extend:DI (match_operand:SI 3 "register_operand" "d")))))]
"TARGET_MAC"
"msb %2, %3"
[(set_attr "mode" "DI")])
(define_insn "umulsidi3subdi"
[(set (match_operand:DI 0 "register_operand" "=x")
(minus:DI
(match_operand:DI 1 "register_operand" "0")
(mult:DI (zero_extend:DI
(match_operand:SI 2 "register_operand" "%d"))
(zero_extend:DI
(match_operand:SI 3 "register_operand" "d")))))]
"TARGET_MAC"
"msbu %2, %3"
[(set_attr "mode" "DI")])

108
gcc/config/score/misc.md Normal file
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@ -0,0 +1,108 @@
;; Machine description for Sunplus S+CORE
;; Copyright (C) 2005
;; Free Software Foundation, Inc.
;; Contributed by Sunnorth.
;; This file is part of GCC.
;; GCC is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation; either version 2, or (at your option)
;; any later version.
;; GCC is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with GCC; see the file COPYING. If not, write to
;; the Free Software Foundation, 51 Franklin Street, Fifth Floor,
;; Boston, MA 02110-1301, USA.
;;- See file "rtl.def" for documentation on define_insn, match_*, et. al.
(define_insn "pushsi"
[(set (match_operand:SI 0 "push_operand" "=<")
(match_operand:SI 1 "register_operand" "d"))]
""
"push! %1, [r0]"
[(set_attr "type" "store")
(set_attr "mode" "SI")])
(define_insn "popsi"
[(set (match_operand:SI 0 "register_operand" "=d")
(match_operand:SI 1 "pop_operand" ">"))]
""
"pop! %0, [r0]"
[(set_attr "type" "store")
(set_attr "mode" "SI")])
(define_peephole2
[(set (match_operand:SI 0 "g32reg_operand" "")
(match_operand:SI 1 "loreg_operand" ""))
(set (match_operand:SI 2 "g32reg_operand" "")
(match_operand:SI 3 "hireg_operand" ""))]
""
[(parallel
[(set (match_dup 0) (match_dup 1))
(set (match_dup 2) (match_dup 3))])])
(define_peephole2
[(set (match_operand:SI 0 "g32reg_operand" "")
(match_operand:SI 1 "hireg_operand" ""))
(set (match_operand:SI 2 "g32reg_operand" "")
(match_operand:SI 3 "loreg_operand" ""))]
""
[(parallel
[(set (match_dup 2) (match_dup 3))
(set (match_dup 0) (match_dup 1))])])
(define_insn "movhilo"
[(parallel
[(set (match_operand:SI 0 "register_operand" "=d")
(match_operand:SI 1 "loreg_operand" ""))
(set (match_operand:SI 2 "register_operand" "=d")
(match_operand:SI 3 "hireg_operand" ""))])]
""
"mfcehl %2, %0"
[(set_attr "type" "fce")
(set_attr "mode" "SI")])
(define_expand "movsicc"
[(set (match_operand:SI 0 "register_operand" "")
(if_then_else:SI (match_operator 1 "comparison_operator"
[(reg:CC CC_REGNUM) (const_int 0)])
(match_operand:SI 2 "register_operand" "")
(match_operand:SI 3 "register_operand" "")))]
""
{
mdx_movsicc (operands);
})
(define_insn "movsicc_internal"
[(set (match_operand:SI 0 "register_operand" "=d")
(if_then_else:SI (match_operator 1 "comparison_operator"
[(reg:CC CC_REGNUM) (const_int 0)])
(match_operand:SI 2 "register_operand" "d")
(match_operand:SI 3 "register_operand" "0")))]
""
"mv%C1 %0, %2"
[(set_attr "type" "cndmv")
(set_attr "mode" "SI")])
(define_insn "zero_extract_bittst"
[(set (reg:CC_NZ CC_REGNUM)
(compare:CC_NZ (unspec:SI
[(match_operand:SI 0 "register_operand" "*e,d")
(match_operand:SI 1 "const_bi_operand" "")]
BITTST)
(const_int 0)))]
""
"@
bittst! %0, %c1
bittst.c %0, %c1"
[(set_attr "type" "arith")
(set_attr "up_c" "yes")
(set_attr "mode" "SI")])

224
gcc/config/score/mul-div.S Normal file
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@ -0,0 +1,224 @@
/* Copyright (C) 2005 Free Software Foundation, Inc.
Contributed by Sunnorth
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published
by the Free Software Foundation; either version 2, or (at your
option) any later version.
GCC is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
License for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING. If not, write to
the Free Software Foundation, 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA. */
#define ra r3
#define a0 r4
#define a1 r5
#define a2 r6
#define a3 r7
#define v0 r23
#define t0 r8
#define t1 r9
#define t2 r10
#define t3 r11
#define t4 r22
#if defined(__scorebe__)
#define LIBGCC1_BIG_ENDIAN
#define out_H v0
#define out_L v1
#define in0_H a0
#define in0_L a1
#define in1_H a2
#define in1_L a3
#elif defined(__scorele__)
#define out_H v1
#define out_L v0
#define in0_H a1
#define in0_L a0
#define in1_H a3
#define in1_L a2
#else
#err "must specify S+core endian!"
#endif
#if !defined(L_mulsi3) && !defined(L_divsi3)
.text
.global _flush_cache
_flush_cache:
srli r9, r5, 4
mv r8, r4
mtsr r9, sr0
1:
cache 0xe, [r8, 0] # write back invalid dcache
addi r8, 16
bcnz 1b
mfcr r8, cr4
bittst! r8, 0x3 # if LDM is enable, write back LDM
beq! 6f
ldi r10, 0
cache 0xc, [r10, 0]
6:
bittst! r8, 0x2 # if LIM is enable, refill it
beq! 7f
cache 0x4, [r10, 0]
7:
#nop!
#nop!
#nop!
#nop!
#nop!
mv r8, r4
mtsr r9, sr0
2:
cache 0x2, [r8, 0] # invalid unlock icache
#nop!
#nop!
#nop!
#nop!
#nop!
addi r8, 16
bcnz 2b
br r3
#endif
/* FUNCTION
(U) INT32 v0 = __mulsi3 ((U) INT32 a0, (U) INT32 a1);
REGISTERS:
use t0
modify a0
a1 -> become 0
NOTE:
this seems to give better performance to just rotate and add. */
#ifdef L_mulsi3
.text
.global __umulsi3
.global __mulsi3
/* signed multiplication (32x32) */
.ent __mulsi3
__umulsi3:
__mulsi3:
li t1, 0
__mulsi3_loop:
andri.c t0, a1, 1 /* t0 = multiplier[0] */
srli a1, a1, 1 /* a1 /= 2 */
beq __mulsi3_loop2 /* skip if (t0 == 0) */
add t1, t1, a0 /* add multiplicand */
__mulsi3_loop2:
slli a0, a0, 1 /* multiplicand mul 2 */
cmpi.c a1, 0
bne __mulsi3_loop
mv r4, t1
br ra
.end __mulsi3
#endif /* L_mulsi3 */
/* FUNCTION
UINT32 (v0) = __udivsi3 (UINT32 (a0), UINT32 (a1));
INT32 (v0) = __divsi3 (INT32 (a0), INT32 (a1));
UINT32 (v0) = __umodsi3 (UINT32 (a0), UINT32 (a1));
INT32 (v0) = __modsi3 (INT32 (a0), INT32 (a1));
DESCRIPTION
performs 32-bit division/modulo.
REGISTERS
used t0 bit-index
t1
modify a0 becomes remainer */
#ifdef L_divsi3
.text
.global __udivsi3
.global __umodsi3
.global __divsi3
.global __modsi3
/* unsigned division */
.ent __udivsi3
__udivsi3:
li t4, 0
cmpi.c a1, 0
beq __uds_exit
li t0, 1
blt __uds_ok
__uds_normalize:
cmp.c a0, a1
bcc __uds_ok
slli a1, a1, 1
slli t0, t0, 1
cmpi.c a1, 0
bge __uds_normalize
__uds_ok:
__uds_loop2:
cmp.c a0, a1
bcc __uds_loop3
sub a0, a0, a1
or t4, t4, t0
__uds_loop3:
srli t0, t0, 1
srli a1, a1, 1
cmpi.c t0, 0
bne __uds_loop2
__uds_exit:
mv a1, a0
mv r4, t4
br ra
.end __udivsi3
/* unsigned modulus */
.ent __umodsi3
__umodsi3:
mv t3, ra
jl __udivsi3
mv r4, a1
br t3
.end __umodsi3
/* abs and div */
.ent __orgsi3
__orgsi3:
cmpi.c a0, 0
bge __orgsi3_a0p
neg a0, a0
__orgsi3_a0p:
cmpi.c a1, 0
bge __udivsi3
neg a1, a1
b __udivsi3 /* goto udivsi3 */
.end __orgsi3
/* signed division */
.ent __divsi3
__divsi3:
mv t3, ra
xor t2, a0, a1
jl __orgsi3
__divsi3_adjust:
cmpi.c t2, 0
bge __divsi3_exit
neg r4, r4
__divsi3_exit:
br t3
.end __divsi3
/* signed modulus */
.ent __modsi3
__modsi3:
mv t3, ra
mv t2, a0
jl __orgsi3
mv r4, a1
b __divsi3_adjust
.end __modsi3
#endif /* L_divsi3 */

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;; Predicate definitions for Sunplus S+CORE.
;; Copyright (C) 2005 Free Software Foundation, Inc.
;;
;; This file is part of GCC.
;;
;; GCC is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation; either version 2, or (at your option)
;; any later version.
;;
;; GCC is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;;
;; You should have received a copy of the GNU General Public License
;; along with GCC; see the file COPYING. If not, write to
;; the Free Software Foundation, 51 Franklin Street, Fifth Floor,
;; Boston, MA 02110-1301, USA.
(define_predicate "arith_operand"
(ior (match_code "const_int")
(match_operand 0 "register_operand")))
(define_predicate "const_call_insn_operand"
(match_code "const,symbol_ref,label_ref")
{
enum score_symbol_type symbol_type;
return (mda_symbolic_constant_p (op, &symbol_type)
&& (symbol_type == SYMBOL_GENERAL));
})
(define_predicate "call_insn_operand"
(ior (match_operand 0 "const_call_insn_operand")
(match_operand 0 "register_operand")))
(define_predicate "const_bi_operand"
(and (match_code "const_int")
(match_test "CONST_OK_FOR_LETTER_P (INTVAL (op), 'J')")))
(define_predicate "pindex_off_operand"
(and (match_code "const_int")
(match_test "CONST_OK_FOR_LETTER_P (INTVAL (op), 'P')")))
(define_predicate "hireg_operand"
(and (match_code "reg")
(match_test "REGNO (op) == HI_REGNUM")))
(define_predicate "loreg_operand"
(and (match_code "reg")
(match_test "REGNO (op) == LO_REGNUM")))
(define_predicate "g32reg_operand"
(and (match_code "reg")
(match_test "GP_REG_P (REGNO (op))")))
(define_predicate "branch_n_operator"
(match_code "lt,ge"))
(define_predicate "branch_nz_operator"
(match_code "eq,ne,lt,ge"))

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/* score-conv.h for Sunplus S+CORE processor
Copyright (C) 2005 Free Software Foundation, Inc.
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published
by the Free Software Foundation; either version 2, or (at your
option) any later version.
GCC is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
License for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING. If not, write to
the Free Software Foundation, 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA. */
#ifndef SCORE_CONV_0601
#define SCORE_CONV_0601
extern int target_flags;
#define GP_REG_FIRST 0U
#define GP_REG_LAST 31U
#define GP_REG_NUM (GP_REG_LAST - GP_REG_FIRST + 1U)
#define GP_DBX_FIRST 0U
#define CE_REG_FIRST 48U
#define CE_REG_LAST 49U
#define CE_REG_NUM (CE_REG_LAST - CE_REG_FIRST + 1U)
#define ARG_REG_FIRST 4U
#define ARG_REG_LAST 7U
#define ARG_REG_NUM (ARG_REG_LAST - ARG_REG_FIRST + 1U)
#define REG_CONTAIN(REGNO, FIRST, NUM) \
((unsigned int)((int) (REGNO) - (FIRST)) < (NUM))
#define GP_REG_P(REGNO) REG_CONTAIN (REGNO, GP_REG_FIRST, GP_REG_NUM)
#define G16_REG_P(REGNO) REG_CONTAIN (REGNO, GP_REG_FIRST, 16)
#define CE_REG_P(REGNO) REG_CONTAIN (REGNO, CE_REG_FIRST, CE_REG_NUM)
#define UIMM_IN_RANGE(V, W) ((V) >= 0 && (V) < ((HOST_WIDE_INT)1 << (W)))
#define SIMM_IN_RANGE(V, W) \
((V) >= (-1 * ((HOST_WIDE_INT) 1 << ((W) - 1))) \
&& (V) < (1 * ((HOST_WIDE_INT) 1 << ((W) - 1))))
#define IMM_IN_RANGE(V, W, S) \
((S) ? SIMM_IN_RANGE (V, W) : UIMM_IN_RANGE (V, W))
#define SCORE_STACK_ALIGN(LOC) (((LOC) + 3) & ~3)
#define SCORE_MAX_FIRST_STACK_STEP (0x3ff0)
#define SCORE_SDATA_MAX score_sdata_max ()
#define DEFAULT_SDATA_MAX 8
#define CONST_HIGH_PART(VALUE) \
(((VALUE) + 0x8000) & ~(unsigned HOST_WIDE_INT) 0xffff)
#define CONST_LOW_PART(VALUE) ((VALUE) - CONST_HIGH_PART (VALUE))
#define PROLOGUE_TEMP_REGNUM (GP_REG_FIRST + 8)
#define EPILOGUE_TEMP_REGNUM (GP_REG_FIRST + 8)
enum score_symbol_type
{
SYMBOL_GENERAL,
SYMBOL_SMALL_DATA /* The symbol refers to something in a small data section. */
};
int score_sdata_max (void);
#endif

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/* score-mdaux.c for Sunplus S+CORE processor
Copyright (C) 2005 Free Software Foundation, Inc.
Contributed by Sunnorth
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published
by the Free Software Foundation; either version 2, or (at your
option) any later version.
GCC is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
License for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING. If not, write to
the Free Software Foundation, 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA. */
#include "config.h"
#include "system.h"
#include "coretypes.h"
#include "tm.h"
#include <signal.h>
#include "rtl.h"
#include "regs.h"
#include "hard-reg-set.h"
#include "real.h"
#include "insn-config.h"
#include "conditions.h"
#include "insn-attr.h"
#include "recog.h"
#include "toplev.h"
#include "output.h"
#include "tree.h"
#include "function.h"
#include "expr.h"
#include "optabs.h"
#include "flags.h"
#include "reload.h"
#include "tm_p.h"
#include "ggc.h"
#include "gstab.h"
#include "hashtab.h"
#include "debug.h"
#include "target.h"
#include "target-def.h"
#include "integrate.h"
#include "langhooks.h"
#include "cfglayout.h"
#include "score-mdaux.h"
#define BITSET_P(VALUE, BIT) (((VALUE) & (1L << (BIT))) != 0)
#define INS_BUF_SZ 100
/* Define the information needed to generate branch insns. This is
stored from the compare operation. */
rtx cmp_op0, cmp_op1;
static char ins[INS_BUF_SZ + 8];
/* Return true if SYMBOL is a SYMBOL_REF and OFFSET + SYMBOL points
to the same object as SYMBOL. */
static int
score_offset_within_object_p (rtx symbol, HOST_WIDE_INT offset)
{
if (GET_CODE (symbol) != SYMBOL_REF)
return 0;
if (CONSTANT_POOL_ADDRESS_P (symbol)
&& offset >= 0
&& offset < (int)GET_MODE_SIZE (get_pool_mode (symbol)))
return 1;
if (SYMBOL_REF_DECL (symbol) != 0
&& offset >= 0
&& offset < int_size_in_bytes (TREE_TYPE (SYMBOL_REF_DECL (symbol))))
return 1;
return 0;
}
/* Split X into a base and a constant offset, storing them in *BASE
and *OFFSET respectively. */
static void
score_split_const (rtx x, rtx *base, HOST_WIDE_INT *offset)
{
*offset = 0;
if (GET_CODE (x) == CONST)
x = XEXP (x, 0);
if (GET_CODE (x) == PLUS && GET_CODE (XEXP (x, 1)) == CONST_INT)
{
*offset += INTVAL (XEXP (x, 1));
x = XEXP (x, 0);
}
*base = x;
}
/* Classify symbol X, which must be a SYMBOL_REF or a LABEL_REF. */
static enum
score_symbol_type score_classify_symbol (rtx x)
{
if (GET_CODE (x) == LABEL_REF)
return SYMBOL_GENERAL;
if (GET_CODE (x) != SYMBOL_REF)
gcc_unreachable ();
if (CONSTANT_POOL_ADDRESS_P(x))
{
if (GET_MODE_SIZE (get_pool_mode (x)) <= SCORE_SDATA_MAX)
return SYMBOL_SMALL_DATA;
return SYMBOL_GENERAL;
}
if (SYMBOL_REF_SMALL_P (x))
return SYMBOL_SMALL_DATA;
return SYMBOL_GENERAL;
}
/* Return true if the current function must save REGNO. */
static int
score_save_reg_p (unsigned int regno)
{
/* Check call-saved registers. */
if (regs_ever_live[regno] && !call_used_regs[regno])
return 1;
/* We need to save the old frame pointer before setting up a new one. */
if (regno == HARD_FRAME_POINTER_REGNUM && frame_pointer_needed)
return 1;
/* We need to save the incoming return address if it is ever clobbered
within the function. */
if (regno == RA_REGNUM && regs_ever_live[regno])
return 1;
return 0;
}
/* Return one word of double-word value OP, taking into account the fixed
endianness of certain registers. HIGH_P is true to select the high part,
false to select the low part. */
static rtx
subw (rtx op, int high_p)
{
unsigned int byte;
enum machine_mode mode = GET_MODE (op);
if (mode == VOIDmode)
mode = DImode;
byte = (TARGET_LITTLE_ENDIAN ? high_p : !high_p) ? UNITS_PER_WORD : 0;
if (GET_CODE (op) == REG && REGNO (op) == HI_REGNUM)
return gen_rtx_REG (SImode, high_p ? HI_REGNUM : LO_REGNUM);
if (GET_CODE (op) == MEM)
return adjust_address (op, SImode, byte);
return simplify_gen_subreg (SImode, op, mode, byte);
}
struct score_frame_info *
mda_cached_frame (void)
{
static struct score_frame_info _frame_info;
return &_frame_info;
}
/* Return the bytes needed to compute the frame pointer from the current
stack pointer. SIZE is the size (in bytes) of the local variables. */
struct score_frame_info *
mda_compute_frame_size (HOST_WIDE_INT size)
{
unsigned int regno;
struct score_frame_info *f = mda_cached_frame ();
memset (f, 0, sizeof (struct score_frame_info));
f->gp_reg_size = 0;
f->mask = 0;
f->var_size = SCORE_STACK_ALIGN (size);
f->args_size = current_function_outgoing_args_size;
f->cprestore_size = SCORE_STACK_ALIGN (STARTING_FRAME_OFFSET) - f->args_size;
if (f->var_size == 0 && current_function_is_leaf)
f->args_size = f->cprestore_size = 0;
if (f->args_size == 0 && current_function_calls_alloca)
f->args_size = UNITS_PER_WORD;
f->total_size = f->var_size + f->args_size;
for (regno = GP_REG_FIRST; regno <= GP_REG_LAST; regno++)
{
if (score_save_reg_p (regno))
{
f->gp_reg_size += GET_MODE_SIZE (SImode);
f->mask |= 1 << (regno - GP_REG_FIRST);
}
}
if (current_function_calls_eh_return)
{
unsigned int i;
for (i = 0; ; ++i)
{
regno = EH_RETURN_DATA_REGNO (i);
if (regno == INVALID_REGNUM)
break;
f->gp_reg_size += GET_MODE_SIZE (SImode);
f->mask |= 1 << (regno - GP_REG_FIRST);
}
}
f->total_size += SCORE_STACK_ALIGN (f->gp_reg_size);
f->num_gp = f->gp_reg_size / UNITS_PER_WORD;
if (f->mask)
{
HOST_WIDE_INT offset;
offset = (f->args_size + f->cprestore_size + f->var_size
+ f->gp_reg_size - GET_MODE_SIZE (SImode));
f->gp_sp_offset = offset;
}
else
{
f->gp_sp_offset = 0;
}
if ((f->total_size == f->gp_reg_size) && flag_pic)
f->total_size += 8;
return f;
}
/* Generate the prologue instructions for entry into a S+core function. */
void
mdx_prologue (void)
{
#define EMIT_PL(_rtx) RTX_FRAME_RELATED_P (_rtx) = 1
struct score_frame_info *f = mda_compute_frame_size (get_frame_size ());
HOST_WIDE_INT size;
int regno;
size = f->total_size - f->gp_reg_size;
if (flag_pic)
emit_insn (gen_cpload ());
for (regno = (int) GP_REG_LAST; regno >= (int) GP_REG_FIRST; regno--)
{
if (BITSET_P (f->mask, regno - GP_REG_FIRST))
{
rtx mem = gen_rtx_MEM (SImode,
gen_rtx_PRE_DEC (SImode, stack_pointer_rtx));
rtx reg = gen_rtx_REG (SImode, regno);
if (!current_function_calls_eh_return)
MEM_READONLY_P (mem) = 1;
EMIT_PL (emit_insn (gen_pushsi (mem, reg)));
}
}
if (size > 0)
{
rtx insn;
if (CONST_OK_FOR_LETTER_P (-size, 'L'))
EMIT_PL (emit_insn (gen_add3_insn (stack_pointer_rtx,
stack_pointer_rtx,
GEN_INT (-size))));
else
{
EMIT_PL (emit_move_insn (gen_rtx_REG (Pmode, PROLOGUE_TEMP_REGNUM),
GEN_INT (size)));
EMIT_PL (emit_insn
(gen_sub3_insn (stack_pointer_rtx,
stack_pointer_rtx,
gen_rtx_REG (Pmode,
PROLOGUE_TEMP_REGNUM))));
}
insn = get_last_insn ();
REG_NOTES (insn) =
alloc_EXPR_LIST (REG_FRAME_RELATED_EXPR,
gen_rtx_SET (VOIDmode, stack_pointer_rtx,
plus_constant (stack_pointer_rtx,
-size)),
REG_NOTES (insn));
}
if (frame_pointer_needed)
EMIT_PL (emit_move_insn (hard_frame_pointer_rtx, stack_pointer_rtx));
if (flag_pic)
emit_insn (gen_cprestore (GEN_INT (size + 4)));
#undef EMIT_PL
}
/* Generate the epilogue instructions in a S+core function. */
void
mdx_epilogue (int sibcall_p)
{
struct score_frame_info *f = mda_compute_frame_size (get_frame_size ());
HOST_WIDE_INT size;
int regno;
rtx base;
size = f->total_size - f->gp_reg_size;
if (!frame_pointer_needed)
base = stack_pointer_rtx;
else
base = hard_frame_pointer_rtx;
if (size)
{
if (CONST_OK_FOR_LETTER_P (size, 'L'))
emit_insn (gen_add3_insn (base, base, GEN_INT (size)));
else
{
emit_move_insn (gen_rtx_REG (Pmode, EPILOGUE_TEMP_REGNUM),
GEN_INT (size));
emit_insn (gen_add3_insn (base, base,
gen_rtx_REG (Pmode,
EPILOGUE_TEMP_REGNUM)));
}
}
if (base != stack_pointer_rtx)
emit_move_insn (stack_pointer_rtx, base);
if (current_function_calls_eh_return)
emit_insn (gen_add3_insn (stack_pointer_rtx,
stack_pointer_rtx,
EH_RETURN_STACKADJ_RTX));
for (regno = (int) GP_REG_FIRST; regno <= (int) GP_REG_LAST; regno++)
{
if (BITSET_P (f->mask, regno - GP_REG_FIRST))
{
rtx mem = gen_rtx_MEM (SImode,
gen_rtx_POST_INC (SImode, stack_pointer_rtx));
rtx reg = gen_rtx_REG (SImode, regno);
if (!current_function_calls_eh_return)
MEM_READONLY_P (mem) = 1;
emit_insn (gen_popsi (reg, mem));
}
}
if (!sibcall_p)
emit_jump_insn (gen_return_internal (gen_rtx_REG (Pmode, RA_REGNUM)));
}
/* Return true if X is a valid base register for the given mode.
Allow only hard registers if STRICT. */
int
mda_valid_base_register_p (rtx x, int strict)
{
if (!strict && GET_CODE (x) == SUBREG)
x = SUBREG_REG (x);
return (GET_CODE (x) == REG
&& score_regno_mode_ok_for_base_p (REGNO (x), strict));
}
/* Return true if X is a valid address for machine mode MODE. If it is,
fill in INFO appropriately. STRICT is true if we should only accept
hard base registers. */
int
mda_classify_address (struct score_address_info *info,
enum machine_mode mode, rtx x, int strict)
{
info->code = GET_CODE (x);
switch (info->code)
{
case REG:
case SUBREG:
info->type = ADD_REG;
info->reg = x;
info->offset = const0_rtx;
return mda_valid_base_register_p (info->reg, strict);
case PLUS:
info->type = ADD_REG;
info->reg = XEXP (x, 0);
info->offset = XEXP (x, 1);
return (mda_valid_base_register_p (info->reg, strict)
&& GET_CODE (info->offset) == CONST_INT
&& CONST_OK_FOR_LETTER_P (INTVAL (info->offset), 'O'));
case PRE_DEC:
case POST_DEC:
case PRE_INC:
case POST_INC:
if (TARGET_NOPINDEX || GET_MODE_SIZE (mode) > GET_MODE_SIZE (SImode))
return false;
info->type = ADD_REG;
info->reg = XEXP (x, 0);
info->offset = GEN_INT (GET_MODE_SIZE (mode));
return mda_valid_base_register_p (info->reg, strict);
case CONST_INT:
info->type = ADD_CONST_INT;
return CONST_OK_FOR_LETTER_P (INTVAL (x), 'O');
case CONST:
case LABEL_REF:
case SYMBOL_REF:
info->type = ADD_SYMBOLIC;
return (mda_symbolic_constant_p (x, &info->symbol_type)
&& (info->symbol_type == SYMBOL_GENERAL
|| info->symbol_type == SYMBOL_SMALL_DATA));
default:
return 0;
}
}
void
mda_gen_cmp (enum machine_mode mode)
{
emit_insn (gen_rtx_SET (VOIDmode, gen_rtx_REG (mode, CC_REGNUM),
gen_rtx_COMPARE (mode, cmp_op0, cmp_op1)));
}
/* Return true if X is a symbolic constant that can be calculated in
the same way as a bare symbol. If it is, store the type of the
symbol in *SYMBOL_TYPE. */
int
mda_symbolic_constant_p (rtx x, enum score_symbol_type *symbol_type)
{
HOST_WIDE_INT offset;
score_split_const (x, &x, &offset);
if (GET_CODE (x) == SYMBOL_REF || GET_CODE (x) == LABEL_REF)
*symbol_type = score_classify_symbol (x);
else
return 0;
if (offset == 0)
return 1;
/* if offset > 15bit, must reload */
if (!CONST_OK_FOR_LETTER_P (offset, 'O'))
return 0;
switch (*symbol_type)
{
case SYMBOL_GENERAL:
return 1;
case SYMBOL_SMALL_DATA:
return score_offset_within_object_p (x, offset);
}
gcc_unreachable ();
}
void
mdx_movsicc (rtx *ops)
{
enum machine_mode mode = CCmode;
if (GET_CODE (ops[1]) == EQ || GET_CODE (ops[1]) == NE)
mode = CC_NZmode;
emit_insn (gen_rtx_SET (VOIDmode, gen_rtx_REG (mode, CC_REGNUM),
gen_rtx_COMPARE (mode, cmp_op0, cmp_op1)));
}
/* Call and sibcall pattern all need call this function. */
void
mdx_call (rtx *ops, bool sib)
{
rtx addr = XEXP (ops[0], 0);
if (!call_insn_operand (addr, VOIDmode))
{
rtx oaddr = addr;
addr = gen_reg_rtx (Pmode);
gen_move_insn (addr, oaddr);
}
if (sib)
emit_call_insn (gen_sibcall_internal (addr, ops[1]));
else
emit_call_insn (gen_call_internal (addr, ops[1]));
}
/* Call value and sibcall value pattern all need call this function. */
void
mdx_call_value (rtx *ops, bool sib)
{
rtx result = ops[0];
rtx addr = XEXP (ops[1], 0);
rtx arg = ops[2];
if (!call_insn_operand (addr, VOIDmode))
{
rtx oaddr = addr;
addr = gen_reg_rtx (Pmode);
gen_move_insn (addr, oaddr);
}
if (sib)
emit_call_insn (gen_sibcall_value_internal (result, addr, arg));
else
emit_call_insn (gen_call_value_internal (result, addr, arg));
}
/* Machine Split */
void
mds_movdi (rtx *ops)
{
rtx dst = ops[0];
rtx src = ops[1];
rtx dst0 = subw (dst, 0);
rtx dst1 = subw (dst, 1);
rtx src0 = subw (src, 0);
rtx src1 = subw (src, 1);
if (GET_CODE (dst0) == REG && reg_overlap_mentioned_p (dst0, src))
{
emit_move_insn (dst1, src1);
emit_move_insn (dst0, src0);
}
else
{
emit_move_insn (dst0, src0);
emit_move_insn (dst1, src1);
}
}
void
mds_zero_extract_andi (rtx *ops)
{
if (INTVAL (ops[1]) == 1 && const_bi_operand (ops[2], SImode))
emit_insn (gen_zero_extract_bittst (ops[0], ops[2]));
else
{
unsigned HOST_WIDE_INT mask;
mask = (0xffffffffU & ((1U << INTVAL (ops[1])) - 1U));
mask = mask << INTVAL (ops[2]);
emit_insn (gen_andsi3_cmp (ops[0], gen_int_mode (mask, SImode)));
}
}
/* Check addr could be present as PRE/POST mode. */
static bool
mda_pindex_mem (rtx addr)
{
if (GET_CODE (addr) == MEM)
{
switch (GET_CODE (XEXP (addr, 0)))
{
case PRE_DEC:
case POST_DEC:
case PRE_INC:
case POST_INC:
return true;
default:
break;
}
}
return false;
}
/* Output asm code for ld/sw insn. */
static int
pr_addr_post (rtx *ops, int idata, int iaddr, char *ip, enum mda_mem_unit unit)
{
struct score_address_info ai;
gcc_assert (GET_CODE (ops[idata]) == REG);
gcc_assert (mda_classify_address (&ai, SImode, XEXP (ops[iaddr], 0), true));
if (!mda_pindex_mem (ops[iaddr])
&& ai.type == ADD_REG
&& GET_CODE (ai.offset) == CONST_INT
&& G16_REG_P (REGNO (ops[idata]))
&& G16_REG_P (REGNO (ai.reg)))
{
if (INTVAL (ai.offset) == 0)
{
ops[iaddr] = ai.reg;
return snprintf (ip, INS_BUF_SZ,
"! %%%d, [%%%d]", idata, iaddr);
}
if (REGNO (ai.reg) == HARD_FRAME_POINTER_REGNUM)
{
HOST_WIDE_INT offset = INTVAL (ai.offset);
if (MDA_ALIGN_UNIT (offset, unit)
&& CONST_OK_FOR_LETTER_P (offset >> unit, 'J'))
{
ops[iaddr] = ai.offset;
return snprintf (ip, INS_BUF_SZ,
"p! %%%d, %%c%d", idata, iaddr);
}
}
}
return snprintf (ip, INS_BUF_SZ, " %%%d, %%a%d", idata, iaddr);
}
/* Output asm insn for load. */
const char *
mdp_linsn (rtx *ops, enum mda_mem_unit unit, bool sign)
{
const char *pre_ins[] =
{"lbu", "lhu", "lw", "??", "lb", "lh", "lw", "??"};
char *ip;
strcpy (ins, pre_ins[(sign ? 4 : 0) + unit]);
ip = ins + strlen (ins);
if ((!sign && unit != MDA_HWORD)
|| (sign && unit != MDA_BYTE))
pr_addr_post (ops, 0, 1, ip, unit);
else
snprintf (ip, INS_BUF_SZ, " %%0, %%a1");
return ins;
}
/* Output asm insn for store. */
const char *
mdp_sinsn (rtx *ops, enum mda_mem_unit unit)
{
const char *pre_ins[] = {"sb", "sh", "sw"};
char *ip;
strcpy (ins, pre_ins[unit]);
ip = ins + strlen (ins);
pr_addr_post (ops, 1, 0, ip, unit);
return ins;
}
/* Output asm insn for load immediate. */
const char *
mdp_limm (rtx *ops)
{
gcc_assert (GET_CODE (ops[0]) == REG);
if (G16_REG_P (REGNO (ops[0]))
&& CONST_OK_FOR_LETTER_P (INTVAL (ops[1]), 'I'))
return "ldiu! %0, %c1";
else if (CONST_OK_FOR_LETTER_P (INTVAL (ops[1]), 'L'))
return "ldi %0, %c1";
else if (EXTRA_CONSTRAINT (ops[1], 'Q'))
return "ldis %0, %U1";
else
return "li %0, %D1";
}
/* Output asm insn for move. */
const char *
mdp_move (rtx *ops)
{
gcc_assert (GET_CODE (ops[0]) == REG);
gcc_assert (GET_CODE (ops[1]) == REG);
if (G16_REG_P (REGNO (ops[0])))
{
if (G16_REG_P (REGNO (ops[1])))
return "mv! %0, %1";
else
return "mlfh! %0, %1";
}
else if (G16_REG_P (REGNO (ops[1])))
return "mhfl! %0, %1";
else
return "mv %0, %1";
}
/* Score support add/sub with exponent immediate insn,
use to judge imm condition. */
static unsigned int
num_bits1 (unsigned HOST_WIDE_INT v)
{
int i, n = 0;
for (i = 0; i < BITS_PER_WORD; i++)
n += BITSET_P (v, i) ? 1 : 0;
return n;
}
/* Generate add insn, insn will affect condition flag. Optimize used. */
const char *
mdp_add_imm_ucc (rtx *ops)
{
HOST_WIDE_INT v = INTVAL (ops[2]);
gcc_assert (GET_CODE (ops[2]) == CONST_INT);
gcc_assert (REGNO (ops[0]) == REGNO (ops[1]));
if (G16_REG_P (REGNO (ops[0])))
{
if (v > 0 && num_bits1 (v) == 1 && IMM_IN_RANGE (ffs (v) - 1, 4, 0))
{
ops[2] = GEN_INT (ffs (v) - 1);
return "addei! %0, %c2";
}
if (v < 0 && num_bits1 (-v) == 1 && IMM_IN_RANGE (ffs (-v) - 1, 4, 0))
{
ops[2] = GEN_INT (ffs (-v) - 1);
return "subei! %0, %c2";
}
}
return "addi.c %0, %c2";
}
/* Output arith insn, insn will update condition flag. */
const char *
mdp_select (rtx *ops, const char *inst_pre, bool commu, const char *let)
{
gcc_assert (GET_CODE (ops[0]) == REG);
gcc_assert (GET_CODE (ops[1]) == REG);
if (G16_REG_P (REGNO (ops[0]))
&& (GET_CODE (ops[2]) == REG ? G16_REG_P (REGNO (ops[2])) : 1)
&& REGNO (ops[0]) == REGNO (ops[1]))
{
snprintf (ins, INS_BUF_SZ, "%s! %%0, %%%s2", inst_pre, let);
return ins;
}
if (commu && G16_REG_P (REGNO (ops[0]))
&& G16_REG_P (REGNO (ops[1]))
&& REGNO (ops[0]) == REGNO (ops[2]))
{
gcc_assert (GET_CODE (ops[2]) == REG);
snprintf (ins, INS_BUF_SZ, "%s! %%0, %%%s1", inst_pre, let);
return ins;
}
snprintf (ins, INS_BUF_SZ, "%s.c %%0, %%1, %%%s2", inst_pre, let);
return ins;
}

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/* score-mdaux.h for Sunplus S+CORE processor
Copyright (C) 2005 Free Software Foundation, Inc.
Contributed by Sunnorth
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published
by the Free Software Foundation; either version 2, or (at your
option) any later version.
GCC is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
License for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING. If not, write to
the Free Software Foundation, 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA. */
#ifndef SCORE_MDAUX_0621
#define SCORE_MDAUX_0621
/* Machine Auxiliary Functions. */
enum score_address_type
{
ADD_REG,
ADD_CONST_INT,
ADD_SYMBOLIC
};
#ifdef RTX_CODE
struct score_address_info
{
enum score_address_type type;
rtx reg;
rtx offset;
enum rtx_code code;
enum score_symbol_type symbol_type;
};
#endif
struct score_frame_info
{
HOST_WIDE_INT total_size; /* bytes that the entire frame takes up */
HOST_WIDE_INT var_size; /* bytes that variables take up */
HOST_WIDE_INT args_size; /* bytes that outgoing arguments take up */
HOST_WIDE_INT gp_reg_size; /* bytes needed to store gp regs */
HOST_WIDE_INT gp_sp_offset; /* offset from new sp to store gp registers */
HOST_WIDE_INT cprestore_size; /* # bytes that the .cprestore slot takes up */
unsigned int mask; /* mask of saved gp registers */
int num_gp; /* number of gp registers saved */
};
typedef void (*score_save_restore_fn) (rtx, rtx);
int mda_valid_base_register_p (rtx x, int strict);
#ifdef RTX_CODE
int mda_classify_address (struct score_address_info *info,
enum machine_mode mode, rtx x, int strict);
struct score_frame_info *mda_compute_frame_size (HOST_WIDE_INT size);
struct score_frame_info *mda_cached_frame (void);
void mda_gen_cmp (enum machine_mode mode);
#endif
int mda_symbolic_constant_p (rtx x, enum score_symbol_type *symbol_type);
bool mda_pindex_mem (rtx addr);
int mda_bp (void);
/* Machine Expand. */
void mdx_prologue (void);
void mdx_epilogue (int sibcall_p);
void mdx_movsicc (rtx *ops);
void mdx_call (rtx *ops, bool sibcall);
void mdx_call_value (rtx *ops, bool sibcall);
/* Machine Split. */
void mds_movdi (rtx *ops);
void mds_addsi (rtx *ops);
void mds_zero_extract_andi (rtx *ops);
/* Machine Print. */
enum mda_mem_unit {MDA_BYTE = 0, MDA_HWORD = 1, MDA_WORD = 2};
#define MDA_ALIGN_UNIT(V, UNIT) !(V & ((1 << UNIT) - 1))
const char * mdp_linsn (rtx *ops, enum mda_mem_unit unit, bool sign);
const char * mdp_sinsn (rtx *ops, enum mda_mem_unit unit);
const char * mdp_add_imm_ucc (rtx *ops);
const char * mdp_select (rtx *ops, const char *inst_pre,
bool comu, const char *let);
const char * mdp_limm (rtx *ops);
const char * mdp_move (rtx *ops);
#endif

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/* score-modes.def for Sunplus S+CORE processor
Copyright (C) 2005 Free Software Foundation, Inc.
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published
by the Free Software Foundation; either version 2, or (at your
option) any later version.
GCC is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
License for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING. If not, write to
the Free Software Foundation, 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA. */
/* CC_NZmode should be used if the N (sign) and Z (zero) flag is set correctly.
CC_Nmode should be used if only the N flag is set correctly. */
CC_MODE (CC_NZ);
CC_MODE (CC_N);

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/* score-protos.h for Sunplus S+CORE processor
Copyright (C) 2005 Free Software Foundation, Inc.
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published
by the Free Software Foundation; either version 2, or (at your
option) any later version.
GCC is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
License for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING. If not, write to
the Free Software Foundation, 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA. */
#ifndef __SCORE_PROTOS_H__
#define __SCORE_PROTOS_H__
extern enum reg_class score_char_to_class[];
void score_override_options (void);
void score_init_expanders (void);
int score_hard_regno_mode_ok (unsigned int, enum machine_mode);
int score_reg_class (int regno);
enum reg_class score_preferred_reload_class (rtx x, enum reg_class class);
enum reg_class score_secondary_reload_class (enum reg_class class,
enum machine_mode mode, rtx x);
int score_const_ok_for_letter_p (int value, char c);
int score_extra_constraint (rtx op, char c);
rtx score_return_addr (int count, rtx frame);
HOST_WIDE_INT score_initial_elimination_offset (int from, int to);
rtx score_function_arg (const CUMULATIVE_ARGS *cum, enum machine_mode mode,
tree type, int named);
int score_arg_partial_nregs (const CUMULATIVE_ARGS *cum,
enum machine_mode mode, tree type, int named);
void score_init_cumulative_args (CUMULATIVE_ARGS *cum,
tree fntype, rtx libname);
void score_function_arg_advance (CUMULATIVE_ARGS *cum, enum machine_mode mode,
tree type, int named);
rtx score_function_value (tree valtype, tree func, enum machine_mode mode);
rtx score_va_arg (tree va_list, tree type);
void score_initialize_trampoline (rtx ADDR, rtx FUNC, rtx CHAIN);
int score_address_p (enum machine_mode mode, rtx x, int strict);
int score_legitimize_address (rtx *xloc);
int score_regno_mode_ok_for_base_p (int regno, int strict);
int score_register_move_cost (enum machine_mode mode, enum reg_class to,
enum reg_class from);
void score_declare_object (FILE *stream, const char *name,
const char *directive, const char *fmt, ...);
void score_declare_object_name (FILE *stream, const char *name, tree decl);
int score_output_external (FILE *file, tree decl, const char *name);
void score_print_operand (FILE *file, rtx op, int letter);
void score_print_operand_address (FILE *file, rtx addr);
#ifdef RTX_CODE
enum machine_mode score_select_cc_mode (enum rtx_code op, rtx x, rtx y);
#endif
#include "score-mdaux.h"
#endif /* __SCORE_PROTOS_H__ */

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/* score-version.h for Sunplus S+CORE processor
Copyright (C) 2005 Free Software Foundation, Inc.
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published
by the Free Software Foundation; either version 2, or (at your
option) any later version.
GCC is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
License for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING. If not, write to
the Free Software Foundation, 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA. */
#define SCORE_GCC_VERSION "1.1"

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/* score.h for Sunplus S+CORE processor
Copyright (C) 2005 Free Software Foundation, Inc.
Contributed by Sunnorth.
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published
by the Free Software Foundation; either version 2, or (at your
option) any later version.
GCC is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
License for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING. If not, write to
the Free Software Foundation, 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA. */
#include "score-conv.h"
#include "score-version.h"
/* Define the information needed to generate branch insns. This is
stored from the compare operation. */
extern GTY(()) rtx cmp_op0;
extern GTY(()) rtx cmp_op1;
/* Controlling the Compilation Driver. */
#define SWITCH_TAKES_ARG(CHAR) \
(DEFAULT_SWITCH_TAKES_ARG (CHAR) || (CHAR) == 'G')
/* CC1_SPEC is the set of arguments to pass to the compiler proper. */
#undef CC1_SPEC
#define CC1_SPEC "%{!mel:-meb}"
#undef ASM_SPEC
#define ASM_SPEC \
"%{!mel:-EB} %{mel:-EL} %{mSCORE5U:-SCORE5U} %{mSCORE7:-SCORE7} %{G*}"
#undef LINK_SPEC
#define LINK_SPEC "%{!mel:-EB} %{mel:-EL} %{G*}"
/* Run-time Target Specification. */
#define TARGET_CPU_CPP_BUILTINS() \
do { \
builtin_define ("SUNPLUS"); \
builtin_define ("__SCORE__"); \
builtin_define ("__score__"); \
if (TARGET_LITTLE_ENDIAN) \
builtin_define ("__scorele__"); \
else \
builtin_define ("__scorebe__"); \
if (TARGET_SCORE5U) \
builtin_define ("__score5u__"); \
} while (0)
#define TARGET_DEFAULT MASK_SCORE7
#define TARGET_VERSION \
fprintf (stderr, "Sunplus S+CORE %s", SCORE_GCC_VERSION);
#define OVERRIDE_OPTIONS score_override_options ()
/* Show we can debug even without a frame pointer. */
#define CAN_DEBUG_WITHOUT_FP
/* Target machine storage layout. */
#define BITS_BIG_ENDIAN 0
#define BYTES_BIG_ENDIAN (TARGET_LITTLE_ENDIAN == 0)
#define WORDS_BIG_ENDIAN (TARGET_LITTLE_ENDIAN == 0)
/* Define this to set the endianness to use in libgcc2.c, which can
not depend on target_flags. */
#if defined(__scorele__)
#define LIBGCC2_WORDS_BIG_ENDIAN 0
#else
#define LIBGCC2_WORDS_BIG_ENDIAN 1
#endif
/* Width of a word, in units (bytes). */
#define UNITS_PER_WORD 4
/* Define this macro if it is advisable to hold scalars in registers
in a wider mode than that declared by the program. In such cases,
the value is constrained to be within the bounds of the declared
type, but kept valid in the wider mode. The signedness of the
extension may differ from that of the type. */
#define PROMOTE_MODE(MODE, UNSIGNEDP, TYPE) \
if (GET_MODE_CLASS (MODE) == MODE_INT \
&& GET_MODE_SIZE (MODE) < UNITS_PER_WORD) \
(MODE) = SImode;
/* Allocation boundary (in *bits*) for storing arguments in argument list. */
#define PARM_BOUNDARY BITS_PER_WORD
#define STACK_BOUNDARY 64
/* Allocation boundary (in *bits*) for the code of a function. */
#define FUNCTION_BOUNDARY BITS_PER_WORD
/* There is no point aligning anything to a rounder boundary than this. */
#define BIGGEST_ALIGNMENT LONG_DOUBLE_TYPE_SIZE
/* If defined, a C expression to compute the alignment for a static
variable. TYPE is the data type, and ALIGN is the alignment that
the object would ordinarily have. The value of this macro is used
instead of that alignment to align the object.
If this macro is not defined, then ALIGN is used.
One use of this macro is to increase alignment of medium-size
data to make it all fit in fewer cache lines. Another is to
cause character arrays to be word-aligned so that `strcpy' calls
that copy constants to character arrays can be done inline. */
#define DATA_ALIGNMENT(TYPE, ALIGN) \
((((ALIGN) < BITS_PER_WORD) \
&& (TREE_CODE (TYPE) == ARRAY_TYPE \
|| TREE_CODE (TYPE) == UNION_TYPE \
|| TREE_CODE (TYPE) == RECORD_TYPE)) ? BITS_PER_WORD : (ALIGN))
/* Alignment of field after `int : 0' in a structure. */
#define EMPTY_FIELD_BOUNDARY 32
/* All accesses must be aligned. */
#define STRICT_ALIGNMENT 1
/* Score requires that structure alignment is affected by bitfields. */
#define PCC_BITFIELD_TYPE_MATTERS 1
/* long double is not a fixed mode, but the idea is that, if we
support long double, we also want a 128-bit integer type. */
#define MAX_FIXED_MODE_SIZE LONG_DOUBLE_TYPE_SIZE
#define TARGET_FLOAT_FORMAT IEEE_FLOAT_FORMAT
/* Layout of Data Type. */
/* Set the sizes of the core types. */
#define INT_TYPE_SIZE 32
#define SHORT_TYPE_SIZE 16
#define LONG_TYPE_SIZE 32
#define LONG_LONG_TYPE_SIZE 64
#define CHAR_TYPE_SIZE 8
#define FLOAT_TYPE_SIZE 32
#define DOUBLE_TYPE_SIZE 64
#define LONG_DOUBLE_TYPE_SIZE 64
/* Define this as 1 if `char' should by default be signed; else as 0. */
#undef DEFAULT_SIGNED_CHAR
#define DEFAULT_SIGNED_CHAR 1
/* Default definitions for size_t and ptrdiff_t. */
#define SIZE_TYPE "unsigned int"
/* Register Usage
S+core have:
- 32 integer registers
- 16 control registers (cond)
- 16 special registers (ceh/cel/cnt/lcr/scr/arg/fp)
- 32 coprocessors 1 registers
- 32 coprocessors 2 registers
- 32 coprocessors 3 registers. */
#define FIRST_PSEUDO_REGISTER 160
/* By default, fix the kernel registers (r30 and r31), the global
pointer (r28) and the stack pointer (r0). This can change
depending on the command-line options.
Regarding coprocessor registers: without evidence to the contrary,
it's best to assume that each coprocessor register has a unique
use. This can be overridden, in, e.g., override_options() or
CONDITIONAL_REGISTER_USAGE should the assumption be inappropriate
for a particular target. */
/* Control Registers, use mfcr/mtcr insn
32 cr0 PSR
33 cr1 Condition
34 cr2 ECR
35 cr3 EXCPVec
36 cr4 CCR
37 cr5 EPC
38 cr6 EMA
39 cr7 TLBLock
40 cr8 TLBPT
41 cr8 PEADDR
42 cr10 TLBRPT
43 cr11 PEVN
44 cr12 PECTX
45 cr13
46 cr14
47 cr15
Custom Engine Register, use mfce/mtce
48 CEH CEH
49 CEL CEL
Special-Purpose Register, use mfsr/mtsr
50 sr0 CNT
51 sr1 LCR
52 sr2 SCR
53 ARG_POINTER_REGNUM
54 FRAME_POINTER_REGNUM
but Control register have 32 registers, cr16-cr31. */
#define FIXED_REGISTERS \
{ \
/* General Purpose Registers */ \
1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 1, \
/* Control Regisers */ \
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, \
/* CEH/ CEL/ CNT/ LCR/ SCR / ARG_POINTER_REGNUM/ FRAME_POINTER_REGNUM */\
0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, \
/* CP 1 Registers */ \
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, \
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, \
/* CP 2 Registers */ \
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, \
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, \
/* CP 3 Registers*/ \
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, \
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, \
}
#define CALL_USED_REGISTERS \
{ \
/* General purpose register */ \
1, 1, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, \
0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, \
/* Control Regisers */ \
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, \
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, \
/* CP 1 Registers */ \
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, \
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, \
/* CP 2 Registers */ \
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, \
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, \
/* CP 3 Registers */ \
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, \
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, \
}
#define REG_ALLOC_ORDER \
{ 0, 1, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, \
18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 2, 3, \
32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, \
48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, \
64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, \
80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, \
96, 97, 98, 99,100,101,102,103,104,105,106,107,108,109,110,111, \
112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127, \
128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143, \
144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159 }
#define HARD_REGNO_NREGS(REGNO, MODE) \
((GET_MODE_SIZE (MODE) + UNITS_PER_WORD - 1) / UNITS_PER_WORD)
/* Return true if REGNO is suitable for holding a quantity of type MODE. */
#define HARD_REGNO_MODE_OK(REGNO, MODE) score_hard_regno_mode_ok (REGNO, MODE)
/* Value is 1 if it is a good idea to tie two pseudo registers
when one has mode MODE1 and one has mode MODE2.
If HARD_REGNO_MODE_OK could produce different values for MODE1 and MODE2,
for any hard reg, then this must be 0 for correct output. */
#define MODES_TIEABLE_P(MODE1, MODE2) \
((GET_MODE_CLASS (MODE1) == MODE_FLOAT \
|| GET_MODE_CLASS (MODE1) == MODE_COMPLEX_FLOAT) \
== (GET_MODE_CLASS (MODE2) == MODE_FLOAT \
|| GET_MODE_CLASS (MODE2) == MODE_COMPLEX_FLOAT))
/* Register Classes. */
/* Define the classes of registers for register constraints in the
machine description. Also define ranges of constants. */
enum reg_class
{
NO_REGS,
G16_REGS, /* r0 ~ r15 */
G32_REGS, /* r0 ~ r31 */
T32_REGS, /* r8 ~ r11 | r22 ~ r27 */
HI_REG, /* hi */
LO_REG, /* lo */
CE_REGS, /* hi + lo */
CN_REG, /* cnt */
LC_REG, /* lcb */
SC_REG, /* scb */
SP_REGS, /* cnt + lcb + scb */
CR_REGS, /* cr0 - cr15 */
CP1_REGS, /* cp1 */
CP2_REGS, /* cp2 */
CP3_REGS, /* cp3 */
CPA_REGS, /* cp1 + cp2 + cp3 */
ALL_REGS,
LIM_REG_CLASSES
};
#define N_REG_CLASSES ((int) LIM_REG_CLASSES)
#define GENERAL_REGS G32_REGS
/* Give names of register classes as strings for dump file. */
#define REG_CLASS_NAMES \
{ \
"NO_REGS", \
"G16_REGS", \
"G32_REGS", \
"T32_REGS", \
\
"HI_REG", \
"LO_REG", \
"CE_REGS", \
\
"CN_REG", \
"LC_REG", \
"SC_REG", \
"SP_REGS", \
\
"CR_REGS", \
\
"CP1_REGS", \
"CP2_REGS", \
"CP3_REGS", \
"CPA_REGS", \
\
"ALL_REGS", \
}
/* Define which registers fit in which classes. */
#define REG_CLASS_CONTENTS \
{ \
/* NO_REGS/G16/G32/T32 */ \
{ 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000}, \
{ 0x0000ffff, 0x00000000, 0x00000000, 0x00000000, 0x00000000}, \
{ 0xffffffff, 0x00000000, 0x00000000, 0x00000000, 0x00000000}, \
{ 0x0fc00f00, 0x00000000, 0x00000000, 0x00000000, 0x00000000}, \
/* HI/LO/CE */ \
{ 0x00000000, 0x00010000, 0x00000000, 0x00000000, 0x00000000}, \
{ 0x00000000, 0x00020000, 0x00000000, 0x00000000, 0x00000000}, \
{ 0x00000000, 0x00030000, 0x00000000, 0x00000000, 0x00000000}, \
/* CN/LC/SC/SP/CR */ \
{ 0x00000000, 0x00040000, 0x00000000, 0x00000000, 0x00000000}, \
{ 0x00000000, 0x00080000, 0x00000000, 0x00000000, 0x00000000}, \
{ 0x00000000, 0x00100000, 0x00000000, 0x00000000, 0x00000000}, \
{ 0x00000000, 0x001c0000, 0x00000000, 0x00000000, 0x00000000}, \
{ 0x00000000, 0x0000ffff, 0x00000000, 0x00000000, 0x00000000}, \
/* CP1/CP2/CP3/CPA */ \
{ 0x00000000, 0x00000000, 0xffffffff, 0x00000000, 0x00000000}, \
{ 0x00000000, 0x00000000, 0x00000000, 0xffffffff, 0x00000000}, \
{ 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0xffffffff}, \
{ 0x00000000, 0x00000000, 0xffffffff, 0xffffffff, 0xffffffff}, \
/* ALL_REGS */ \
{ 0xffffffff, 0x001fffff, 0xffffffff, 0xffffffff, 0xffffffff}, \
}
/* A C expression whose value is a register class containing hard
register REGNO. In general there is more that one such class;
choose a class which is "minimal", meaning that no smaller class
also contains the register. */
#define REGNO_REG_CLASS(REGNO) score_reg_class (REGNO)
/* A macro whose definition is the name of the class to which a
valid base register must belong. A base register is one used in
an address which is the register value plus a displacement. */
#define BASE_REG_CLASS G16_REGS
/* The class value for index registers. */
#define INDEX_REG_CLASS NO_REGS
#define REG_CLASS_FROM_LETTER(C) score_char_to_class[(unsigned char) (C)]
/* Addressing modes, and classification of registers for them. */
#define REGNO_MODE_OK_FOR_BASE_P(REGNO, MODE) \
score_regno_mode_ok_for_base_p (REGNO, 1)
#define REGNO_OK_FOR_INDEX_P(NUM) 0
#define PREFERRED_RELOAD_CLASS(X, CLASS) \
score_preferred_reload_class (X, CLASS)
/* If we need to load shorts byte-at-a-time, then we need a scratch. */
#define SECONDARY_INPUT_RELOAD_CLASS(CLASS, MODE, X) \
score_secondary_reload_class (CLASS, MODE, X)
/* Return the register class of a scratch register needed to copy IN into
or out of a register in CLASS in MODE. If it can be done directly,
NO_REGS is returned. */
#define SECONDARY_OUTPUT_RELOAD_CLASS(CLASS, MODE, X) \
score_secondary_reload_class (CLASS, MODE, X)
/* Return the maximum number of consecutive registers
needed to represent mode MODE in a register of class CLASS. */
#define CLASS_MAX_NREGS(CLASS, MODE) \
((GET_MODE_SIZE (MODE) + UNITS_PER_WORD - 1) / UNITS_PER_WORD)
#define CANNOT_CHANGE_MODE_CLASS(FROM, TO, CLASS) \
(GET_MODE_SIZE (FROM) != GET_MODE_SIZE (TO) \
? reg_classes_intersect_p (HI_REG, (CLASS)) : 0)
/* The letters I, J, K, L, M, N, O, and P in a register constraint
string can be used to stand for particular ranges of immediate
operands. This macro defines what the ranges are. C is the
letter, and VALUE is a constant value. Return 1 if VALUE is
in the range specified by C. */
#define CONST_OK_FOR_LETTER_P(VALUE, C) score_const_ok_for_letter_p (VALUE, C)
/* Similar, but for floating constants, and defining letters G and H.
Here VALUE is the CONST_DOUBLE rtx itself. */
#define CONST_DOUBLE_OK_FOR_LETTER_P(VALUE, C) \
((C) == 'G' && (VALUE) == CONST0_RTX (GET_MODE (VALUE)))
/* Letters in the range `Q' through `U' may be defined in a
machine-dependent fashion to stand for arbitrary operand types.
The machine description macro `EXTRA_CONSTRAINT' is passed the
operand as its first argument and the constraint letter as its
second operand. */
#define EXTRA_CONSTRAINT(VALUE, C) score_extra_constraint (VALUE, C)
/* Basic Stack Layout. */
/* Stack layout; function entry, exit and calling. */
#define STACK_GROWS_DOWNWARD
#define STACK_PUSH_CODE PRE_DEC
#define STACK_POP_CODE POST_INC
/* The offset of the first local variable from the beginning of the frame.
See compute_frame_size for details about the frame layout. */
#define STARTING_FRAME_OFFSET current_function_outgoing_args_size
/* The argument pointer always points to the first argument. */
#define FIRST_PARM_OFFSET(FUNDECL) 0
/* A C expression whose value is RTL representing the value of the return
address for the frame COUNT steps up from the current frame. */
#define RETURN_ADDR_RTX(count, frame) score_return_addr (count, frame)
/* Pick up the return address upon entry to a procedure. */
#define INCOMING_RETURN_ADDR_RTX gen_rtx_REG (VOIDmode, RA_REGNUM)
/* Exception handling Support. */
/* Use r0 to r3 to pass exception handling information. */
#define EH_RETURN_DATA_REGNO(N) \
((N) < 4 ? (N) + ARG_REG_FIRST : INVALID_REGNUM)
/* The register that holds the return address in exception handlers. */
#define EH_RETURN_STACKADJ_RTX gen_rtx_REG (Pmode, EH_REGNUM)
/* Registers That Address the Stack Frame. */
/* Register to use for pushing function arguments. */
#define STACK_POINTER_REGNUM SP_REGNUM
/* These two registers don't really exist: they get eliminated to either
the stack or hard frame pointer. */
#define FRAME_POINTER_REGNUM 53
/* we use r2 as the frame pointer. */
#define HARD_FRAME_POINTER_REGNUM FP_REGNUM
#define ARG_POINTER_REGNUM 54
/* Register in which static-chain is passed to a function. */
#define STATIC_CHAIN_REGNUM 23
/* Elimination Frame Pointer and Arg Pointer */
/* Value should be nonzero if functions must have frame pointers.
Zero means the frame pointer need not be set up (and parms
may be accessed via the stack pointer) in functions that seem suitable.
This is computed in `reload', in reload1.c. */
#define FRAME_POINTER_REQUIRED current_function_calls_alloca
#define ELIMINABLE_REGS \
{{ ARG_POINTER_REGNUM, STACK_POINTER_REGNUM}, \
{ ARG_POINTER_REGNUM, HARD_FRAME_POINTER_REGNUM}, \
{ FRAME_POINTER_REGNUM, STACK_POINTER_REGNUM}, \
{ FRAME_POINTER_REGNUM, HARD_FRAME_POINTER_REGNUM}}
/* We can always eliminate to the hard frame pointer. We can eliminate
to the stack pointer unless a frame pointer is needed. */
#define CAN_ELIMINATE(FROM, TO) \
(((TO) == HARD_FRAME_POINTER_REGNUM) \
|| ((TO) == STACK_POINTER_REGNUM \
&& !frame_pointer_needed))
#define INITIAL_ELIMINATION_OFFSET(FROM, TO, OFFSET) \
(OFFSET) = score_initial_elimination_offset ((FROM), (TO))
/* Passing Function Arguments on the Stack. */
/* Allocate stack space for arguments at the beginning of each function. */
#define ACCUMULATE_OUTGOING_ARGS 1
/* reserve stack space for all argument registers. */
#define REG_PARM_STACK_SPACE(FNDECL) UNITS_PER_WORD
/* Define this if it is the responsibility of the caller to
allocate the area reserved for arguments passed in registers.
If `ACCUMULATE_OUTGOING_ARGS' is also defined, the only effect
of this macro is to determine whether the space is included in
`current_function_outgoing_args_size'. */
#define OUTGOING_REG_PARM_STACK_SPACE
#define RETURN_POPS_ARGS(FUNDECL, FUNTYPE, STACK_SIZE) 0
/* Passing Arguments in Registers */
/* Determine where to put an argument to a function.
Value is zero to push the argument on the stack,
or a hard register in which to store the argument.
MODE is the argument's machine mode.
TYPE is the data type of the argument (as a tree).
This is null for libcalls where that information may
not be available.
CUM is a variable of type CUMULATIVE_ARGS which gives info about
the preceding args and about the function being called.
NAMED is nonzero if this argument is a named parameter
(otherwise it is an extra parameter matching an ellipsis). */
#define FUNCTION_ARG(CUM, MODE, TYPE, NAMED) \
score_function_arg (&CUM, MODE, TYPE, NAMED)
/* A C type for declaring a variable that is used as the first argument of
`FUNCTION_ARG' and other related values. For some target machines, the
type `int' suffices and can hold the number of bytes of argument so far. */
typedef struct score_args
{
unsigned int arg_number; /* how many arguments have been seen */
unsigned int num_gprs; /* number of gprs in use */
unsigned int stack_words; /* number of words in stack */
} score_args_t;
#define CUMULATIVE_ARGS score_args_t
/* Initialize a variable CUM of type CUMULATIVE_ARGS
for a call to a function whose data type is FNTYPE.
For a library call, FNTYPE is 0. */
#define INIT_CUMULATIVE_ARGS(CUM, FNTYPE, LIBNAME, INDIRECT, n_named_args) \
score_init_cumulative_args (&CUM, FNTYPE, LIBNAME)
/* Update the data in CUM to advance over an argument
of mode MODE and data type TYPE.
(TYPE is null for libcalls where that information may not be available.) */
#define FUNCTION_ARG_ADVANCE(CUM, MODE, TYPE, NAMED) \
score_function_arg_advance (&CUM, MODE, TYPE, NAMED)
/* 1 if N is a possible register number for function argument passing.
We have no FP argument registers when soft-float. When FP registers
are 32 bits, we can't directly reference the odd numbered ones. */
#define FUNCTION_ARG_REGNO_P(REGNO) \
REG_CONTAIN (REGNO, ARG_REG_FIRST, ARG_REG_NUM)
/* How Scalar Function Values Are Returned. */
#define FUNCTION_VALUE(VALTYPE, FUNC) \
score_function_value ((VALTYPE), (FUNC), VOIDmode)
#define LIBCALL_VALUE(MODE) score_function_value (NULL_TREE, NULL, (MODE))
/* 1 if N is a possible register number for a function value. */
#define FUNCTION_VALUE_REGNO_P(REGNO) ((REGNO) == (ARG_REG_FIRST))
#define PIC_FUNCTION_ADDR_REGNUM (GP_REG_FIRST + 25)
/* How Large Values Are Returned. */
#define STRUCT_VALUE 0
/* Function Entry and Exit */
/* EXIT_IGNORE_STACK should be nonzero if, when returning from a function,
the stack pointer does not matter. The value is tested only in
functions that have frame pointers.
No definition is equivalent to always zero. */
#define EXIT_IGNORE_STACK 1
/* Generating Code for Profiling */
/* Output assembler code to FILE to increment profiler label # LABELNO
for profiling a function entry. */
#define FUNCTION_PROFILER(FILE, LABELNO) \
{ \
fprintf (FILE, " .set r1 \n"); \
fprintf (FILE, " mv r%d,r%d \n", AT_REGNUM, RA_REGNUM); \
fprintf (FILE, " subi r%d, %d \n", STACK_POINTER_REGNUM, 8); \
fprintf (FILE, " jl _mcount \n"); \
fprintf (FILE, " .set nor1 \n"); \
}
/* Trampolines for Nested Functions. */
#define TRAMPOLINE_INSNS 8
/* A C expression for the size in bytes of the trampoline, as an integer. */
#define TRAMPOLINE_SIZE \
(TRAMPOLINE_INSNS * GET_MODE_SIZE (SImode) + GET_MODE_SIZE (ptr_mode) * 2)
/* A C statement to initialize the variable parts of a trampoline.
ADDR is an RTX for the address of the trampoline; FNADDR is an
RTX for the address of the nested function; STATIC_CHAIN is an
RTX for the static chain value that should be passed to the
function when it is called. */
#define INITIALIZE_TRAMPOLINE(ADDR, FUNC, CHAIN) \
score_initialize_trampoline (ADDR, FUNC, CHAIN)
#define HAVE_PRE_INCREMENT 1
#define HAVE_PRE_DECREMENT 1
#define HAVE_POST_INCREMENT 1
#define HAVE_POST_DECREMENT 1
#define HAVE_PRE_MODIFY_DISP 0
#define HAVE_POST_MODIFY_DISP 0
#define HAVE_PRE_MODIFY_REG 0
#define HAVE_POST_MODIFY_REG 0
/* Recognize any constant value that is a valid address. */
#define CONSTANT_ADDRESS_P(X) CONSTANT_P (X)
/* Maximum number of registers that can appear in a valid memory address. */
#define MAX_REGS_PER_ADDRESS 1
#ifdef REG_OK_STRICT
#define GO_IF_LEGITIMATE_ADDRESS(MODE, X, LABEL) \
if (score_address_p (MODE, X, 1)) \
goto LABEL;
#else
#define GO_IF_LEGITIMATE_ADDRESS(MODE, X, LABEL) \
if (score_address_p (MODE, X, 0)) \
goto LABEL;
#endif
/* The macros REG_OK_FOR..._P assume that the arg is a REG rtx
and check its validity for a certain class.
We have two alternate definitions for each of them.
The usual definition accepts all pseudo regs; the other rejects them all.
The symbol REG_OK_STRICT causes the latter definition to be used.
Most source files want to accept pseudo regs in the hope that
they will get allocated to the class that the insn wants them to be in.
Some source files that are used after register allocation
need to be strict. */
#ifndef REG_OK_STRICT
#define REG_MODE_OK_FOR_BASE_P(X, MODE) \
score_regno_mode_ok_for_base_p (REGNO (X), 0)
#else
#define REG_MODE_OK_FOR_BASE_P(X, MODE) \
score_regno_mode_ok_for_base_p (REGNO (X), 1)
#endif
#define REG_OK_FOR_INDEX_P(X) 0
#define LEGITIMIZE_ADDRESS(X, OLDX, MODE, WIN) \
do { \
if (score_legitimize_address (&(X))) \
goto WIN; \
} while (0)
/* Go to LABEL if ADDR (a legitimate address expression)
has an effect that depends on the machine mode it is used for. */
#define GO_IF_MODE_DEPENDENT_ADDRESS(ADDR, LABEL) {}
#define LEGITIMATE_CONSTANT_P(X) 1
/* Describing Relative Costs of Operations */
/* Compute extra cost of moving data between one register class and another. */
#define REGISTER_MOVE_COST(MODE, FROM, TO) \
score_register_move_cost (MODE, FROM, TO)
/* Moves to and from memory are quite expensive */
#define MEMORY_MOVE_COST(MODE, CLASS, TO_P) \
(4 + memory_move_secondary_cost ((MODE), (CLASS), (TO_P)))
/* Try to generate sequences that don't involve branches. */
#define BRANCH_COST 2
/* Nonzero if access to memory by bytes is slow and undesirable. */
#define SLOW_BYTE_ACCESS 1
/* Define this macro if it is as good or better to call a constant
function address than to call an address kept in a register. */
#define NO_FUNCTION_CSE 1
/* Dividing the Output into Sections (Texts, Data, ...). */
/* Define the strings to put out for each section in the object file. */
#define TEXT_SECTION_ASM_OP "\t.text"
#define DATA_SECTION_ASM_OP "\t.data"
#define SDATA_SECTION_ASM_OP "\t.sdata"
#undef READONLY_DATA_SECTION_ASM_OP
#define READONLY_DATA_SECTION_ASM_OP "\t.rdata"
/* The Overall Framework of an Assembler File */
/* How to start an assembler comment.
The leading space is important. */
#define ASM_COMMENT_START "#"
/* Output to assembler file text saying following lines
may contain character constants, extra white space, comments, etc. */
#define ASM_APP_ON "#APP\n\t.set volatile\n"
/* Output to assembler file text saying following lines
no longer contain unusual constructs. */
#define ASM_APP_OFF "#NO_APP\n\t.set optimize\n"
/* Output of Uninitialized Variables. */
/* This says how to define a global common symbol. */
#define ASM_OUTPUT_ALIGNED_DECL_COMMON(STREAM, DECL, NAME, SIZE, ALIGN) \
score_declare_object (STREAM, NAME, "\n\t.comm\t", \
","HOST_WIDE_INT_PRINT_UNSIGNED",%u\n", \
SIZE, ALIGN / BITS_PER_UNIT);
/* This says how to define a local common symbol (i.e., not visible to
linker). */
#undef ASM_OUTPUT_ALIGNED_LOCAL
#define ASM_OUTPUT_ALIGNED_LOCAL(STREAM, NAME, SIZE, ALIGN) \
score_declare_object (STREAM, NAME, "\n\t.lcomm\t", \
","HOST_WIDE_INT_PRINT_UNSIGNED",%u\n", \
SIZE, ALIGN / BITS_PER_UNIT);
/* Globalizing directive for a label. */
#define GLOBAL_ASM_OP "\t.globl\t"
/* Output and Generation of Labels */
/* This is how to declare a function name. The actual work of
emitting the label is moved to function_prologue, so that we can
get the line number correctly emitted before the .ent directive,
and after any .file directives. Define as empty so that the function
is not declared before the .ent directive elsewhere. */
#undef ASM_DECLARE_FUNCTION_NAME
#define ASM_DECLARE_FUNCTION_NAME(FILE, NAME, DECL)
#undef ASM_DECLARE_OBJECT_NAME
#define ASM_DECLARE_OBJECT_NAME(STREAM, NAME, DECL) \
score_declare_object (STREAM, NAME, "", ":\n", 0)
/* This says how to output an external. It would be possible not to
output anything and let undefined symbol become external. However
the assembler uses length information on externals to allocate in
data/sdata bss/sbss, thereby saving exec time. */
#define ASM_OUTPUT_EXTERNAL(STREAM, DECL, NAME) \
score_output_external (STREAM, DECL, NAME)
/* This handles the magic '..CURRENT_FUNCTION' symbol, which means
'the start of the function that this code is output in'. */
#define ASM_OUTPUT_LABELREF(STREAM, NAME) \
fprintf ((STREAM), "%s", (NAME))
/* Local compiler-generated symbols must have a prefix that the assembler
understands. */
#define LOCAL_LABEL_PREFIX "."
#undef ASM_GENERATE_INTERNAL_LABEL
#define ASM_GENERATE_INTERNAL_LABEL(LABEL, PREFIX, NUM) \
sprintf ((LABEL), "*%s%s%ld", (LOCAL_LABEL_PREFIX), (PREFIX), (long) (NUM))
/* Output of Assembler Instructions. */
#define REGISTER_NAMES \
{ "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", \
"r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15", \
"r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23", \
"r24", "r25", "r26", "r27", "r28", "r29", "r30", "r31", \
\
"cr0", "cr1", "cr2", "cr3", "cr4", "cr5", "cr6", "cr7", \
"cr8", "cr9", "cr10", "cr11", "cr12", "cr13", "cr14", "cr15", \
\
"ceh", "cel", "sr0", "sr1", "sr2", "_arg", "_frame", "", \
"cr24", "cr25", "cr26", "cr27", "cr28", "cr29", "cr30", "cr31", \
\
"c1r0", "c1r1", "c1r2", "c1r3", "c1r4", "c1r5", "c1r6", "c1r7", \
"c1r8", "c1r9", "c1r10", "c1r11", "c1r12", "c1r13", "c1r14", "c1r15", \
"c1r16", "c1r17", "c1r18", "c1r19", "c1r20", "c1r21", "c1r22", "c1r23",\
"c1r24", "c1r25", "c1r26", "c1r27", "c1r28", "c1r29", "c1r30", "c1r31",\
\
"c2r0", "c2r1", "c2r2", "c2r3", "c2r4", "c2r5", "c2r6", "c2r7", \
"c2r8", "c2r9", "c2r10", "c2r11", "c2r12", "c2r13", "c2r14", "c2r15", \
"c2r16", "c2r17", "c2r18", "c2r19", "c2r20", "c2r21", "c2r22", "c2r23",\
"c2r24", "c2r25", "c2r26", "c2r27", "c2r28", "c2r29", "c2r30", "c2r31",\
\
"c3r0", "c3r1", "c3r2", "c3r3", "c3r4", "c3r5", "c3r6", "c3r7", \
"c3r8", "c3r9", "c3r10", "c3r11", "c3r12", "c3r13", "c3r14", "c3r15", \
"c3r16", "c3r17", "c3r18", "c3r19", "c3r20", "c3r21", "c3r22", "c3r23",\
"c3r24", "c3r25", "c3r26", "c3r27", "c3r28", "c3r29", "c3r30", "c3r31",\
}
/* Print operand X (an rtx) in assembler syntax to file FILE. */
#define PRINT_OPERAND(STREAM, X, CODE) score_print_operand (STREAM, X, CODE)
/* A C expression which evaluates to true if CODE is a valid
punctuation character for use in the `PRINT_OPERAND' macro. */
#define PRINT_OPERAND_PUNCT_VALID_P(C) ((C) == '[' || (C) == ']')
/* Print a memory address as an operand to reference that memory location. */
#define PRINT_OPERAND_ADDRESS(STREAM, X) \
score_print_operand_address (STREAM, X)
/* By default on the S+core, external symbols do not have an underscore
prepended. */
#define USER_LABEL_PREFIX ""
/* This is how to output an insn to push a register on the stack. */
#define ASM_OUTPUT_REG_PUSH(STREAM, REGNO) \
do { \
fprintf (STREAM, "\tpush! %s,[%s]\n", \
reg_names[REGNO], \
reg_names[STACK_POINTER_REGNUM]); \
} while (0)
/* This is how to output an insn to pop a register from the stack. */
#define ASM_OUTPUT_REG_POP(STREAM, REGNO) \
do { \
fprintf (STREAM, "\tpop! %s,[%s]\n", \
reg_names[REGNO], \
reg_names[STACK_POINTER_REGNUM]); \
} while (0)
/* Output of Dispatch Tables. */
/* This is how to output an element of a case-vector. We can make the
entries PC-relative in GP-relative when .gp(d)word is supported. */
#define ASM_OUTPUT_ADDR_DIFF_ELT(STREAM, BODY, VALUE, REL) \
do { \
if (flag_pic) \
fprintf (STREAM, "\t.gpword %sL%d\n", LOCAL_LABEL_PREFIX, VALUE); \
else \
fprintf (STREAM, "\t.word %sL%d\n", LOCAL_LABEL_PREFIX, VALUE); \
} while (0)
/* This is how to output an element of a case-vector that is absolute. */
#define ASM_OUTPUT_ADDR_VEC_ELT(STREAM, VALUE) \
fprintf (STREAM, "\t.word %sL%d\n", LOCAL_LABEL_PREFIX, VALUE)
/* Assembler Commands for Exception Regions */
/* Since the S+core is encoded in the least-significant bit
of the address, mask it off return addresses for purposes of
finding exception handling regions. */
#define MASK_RETURN_ADDR constm1_rtx
/* Assembler Commands for Alignment */
/* This is how to output an assembler line to advance the location
counter by SIZE bytes. */
#undef ASM_OUTPUT_SKIP
#define ASM_OUTPUT_SKIP(STREAM, SIZE) \
fprintf (STREAM, "\t.space\t"HOST_WIDE_INT_PRINT_UNSIGNED"\n", (SIZE))
/* This is how to output an assembler line
that says to advance the location counter
to a multiple of 2**LOG bytes. */
#define ASM_OUTPUT_ALIGN(STREAM, LOG) \
fprintf (STREAM, "\t.align\t%d\n", (LOG))
/* Macros Affecting All Debugging Formats. */
#ifndef PREFERRED_DEBUGGING_TYPE
#define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
#endif
/* Specific Options for DBX Output. */
#define DBX_DEBUGGING_INFO 1
/* By default, turn on GDB extensions. */
#define DEFAULT_GDB_EXTENSIONS 1
#define DBX_CONTIN_LENGTH 0
/* File Names in DBX Format. */
#define DWARF2_DEBUGGING_INFO 1
/* The DWARF 2 CFA column which tracks the return address. */
#define DWARF_FRAME_RETURN_COLUMN 3
/* Specify the machine mode that this machine uses
for the index in the tablejump instruction. */
#define CASE_VECTOR_MODE SImode
/* Define if operations between registers always perform the operation
on the full register even if a narrower mode is specified. */
#define WORD_REGISTER_OPERATIONS
/* All references are zero extended. */
#define LOAD_EXTEND_OP(MODE) ZERO_EXTEND
/* Define if loading short immediate values into registers sign extends. */
#define SHORT_IMMEDIATES_SIGN_EXTEND
/* Max number of bytes we can move from memory to memory
in one reasonably fast instruction. */
#define MOVE_MAX 4
/* Define this to be nonzero if shift instructions ignore all but the low-order
few bits. */
#define SHIFT_COUNT_TRUNCATED 1
/* Value is 1 if truncating an integer of INPREC bits to OUTPREC bits
is done just by pretending it is already truncated. */
#define TRULY_NOOP_TRUNCATION(OUTPREC, INPREC) 1
/* Specify the machine mode that pointers have.
After generation of rtl, the compiler makes no further distinction
between pointers and any other objects of this machine mode. */
#define Pmode SImode
/* Give call MEMs SImode since it is the "most permissive" mode
for 32-bit targets. */
#define FUNCTION_MODE Pmode
struct extern_list GTY ((chain_next ("%h.next")))
{
struct extern_list *next; /* next external */
const char *name; /* name of the external */
int size; /* size in bytes */
};
extern GTY (()) struct extern_list *extern_head ;

1253
gcc/config/score/score.md Normal file
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File diff suppressed because it is too large Load Diff

53
gcc/config/score/score.opt Normal file
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@ -0,0 +1,53 @@
; Options for the Sunnorth port of the compiler.
; Copyright (C) 2005 Free Software Foundation, Inc.
;
; This file is part of GCC.
;
; GCC is free software; you can redistribute it and/or modify it under
; the terms of the GNU General Public License as published by the Free
; Software Foundation; either version 2, or (at your option) any later
; version.
;
; GCC is distributed in the hope that it will be useful, but WITHOUT ANY
; WARRANTY; without even the implied warranty of MERCHANTABILITY or
; FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
; for more details.
;
; You should have received a copy of the GNU General Public License
; along with GCC; see the file COPYING. If not, write to the Free
; Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
; 02110-1301, USA.
meb
Target RejectNegative Report InverseMask(LITTLE_ENDIAN)
Generate big-endian code
mel
Target RejectNegative Report Mask(LITTLE_ENDIAN)
Generate little-endian code
mnpi
Target RejectNegative Report Mask(NOPINDEX)
Do not use pre/post index
mnuls
Target RejectNegative Report Mask(NOUNALIGNED)
Do not use unaligned load/store
mmac
Target RejectNegative Report Mask(MAC)
Enable mac instruction
mSCORE5
Target RejectNegative Report Mask(SCORE5)
Support SCORE 5 ISA
mSCORE5U
Target RejectNegative Report Mask(SCORE5U)
Support SCORE 5U ISA
mSCORE7
Target RejectNegative Report Mask(SCORE7)
Support SCORE 7 ISA

46
gcc/config/score/score7.md Normal file
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@ -0,0 +1,46 @@
;; Machine description for Sunplus S+CORE
;; Sunplus S+CORE 7 Pipeline Description
;; Copyright (C) 2005
;; Free Software Foundation, Inc.
;; Contributed by Sunnorth.
;; This file is part of GCC.
;; GCC is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation; either version 2, or (at your option)
;; any later version.
;; GCC is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with GCC; see the file COPYING. If not, write to
;; the Free Software Foundation, 51 Franklin Street, Fifth Floor,
;; Boston, MA 02110-1301, USA.
(define_automaton "score")
(define_cpu_unit "core" "score")
(define_insn_reservation "memory" 3
(eq_attr "type" "load")
"core")
(define_insn_reservation "mul" 3
(eq_attr "type" "mul,div")
"core")
(define_insn_reservation "fce" 1
(eq_attr "type" "fce")
"core")
(define_insn_reservation "tsr" 1
(eq_attr "type" "tsr,fsr")
"core")
(define_insn_reservation "up_c" 1
(eq_attr "up_c" "yes")
"core")

44
gcc/config/score/t-score-elf Normal file
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@ -0,0 +1,44 @@
# Additional Backend Files
score-mdaux.o: $(srcdir)/config/score/score-mdaux.c $(CONFIG_H) $(SYSTEM_H) \
coretypes.h $(TM_H) $(RTL_H) output.h flags.h $(TREE_H) \
expr.h toplev.h $(TM_P_H)
$(CC) -c $(ALL_CFLAGS) $(ALL_CPPFLAGS) $(INCLUDES) \
$(srcdir)/config/score/score-mdaux.c
# Assemble startup files.
$(T)crti.o: $(srcdir)/config/score/crti.asm $(GCC_PASSES)
$(GCC_FOR_TARGET) $(GCC_CFLAGS) $(MULTILIB_CFLAGS) $(INCLUDES) \
-c -o $(T)crti.o -x assembler-with-cpp $(srcdir)/config/score/crti.asm
$(T)crtn.o: $(srcdir)/config/score/crtn.asm $(GCC_PASSES)
$(GCC_FOR_TARGET) $(GCC_CFLAGS) $(MULTILIB_CFLAGS) $(INCLUDES) \
-c -o $(T)crtn.o -x assembler-with-cpp $(srcdir)/config/score/crtn.asm
LIB1ASMSRC = score/mul-div.S
LIB1ASMFUNCS = _mulsi3 _divsi3 _flush_cache
FPBIT = fp-bit.c
DPBIT = dp-bit.c
# If any special flags are necessary when building libgcc2 put them here.
TARGET_LIBGCC2_CFLAGS = -g
fp-bit.c: $(srcdir)/config/fp-bit.c
echo '#define FLOAT' > fp-bit.c
cat $(srcdir)/config/fp-bit.c >> fp-bit.c
dp-bit.c: $(srcdir)/config/fp-bit.c
cat $(srcdir)/config/fp-bit.c > dp-bit.c
# We must build libgcc2.a with -G 0, in case the user wants to link
# without the $gp register.
TARGET_LIBGCC2_CFLAGS = -G 0
MULTILIB_OPTIONS = mel mSCORE7
EXTRA_MULTILIB_PARTS = crtbegin.o crtend.o crti.o crtn.o
LIBGCC = stmp-multilib
INSTALL_LIBGCC = install-multilib

2
gcc/configure vendored
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@ -15619,7 +15619,7 @@ esac
case "$target" in case "$target" in
i?86*-*-* | mips*-*-* | alpha*-*-* | powerpc*-*-* | sparc*-*-* | m68*-*-* \ i?86*-*-* | mips*-*-* | alpha*-*-* | powerpc*-*-* | sparc*-*-* | m68*-*-* \
| x86_64*-*-* | hppa*-*-* | arm*-*-* | strongarm*-*-* | xscale*-*-* \ | x86_64*-*-* | hppa*-*-* | arm*-*-* | strongarm*-*-* | xscale*-*-* \
| xstormy16*-*-* | cris-*-* | xtensa-*-* | bfin-*-*) | xstormy16*-*-* | cris-*-* | xtensa-*-* | bfin-*-* | score*-*-*)
insn="nop" insn="nop"
;; ;;
ia64*-*-* | s390*-*-*) ia64*-*-* | s390*-*-*)