d8a5edc221
found. Reported by Alexandre Oliva <aoliva@redhat.com>. 2003-03-13 Alexandre Oliva <aoliva@redhat.com> * stdio-common/_itoa.c (_itoa_base_table): Make 64-bit literals long long. * stdlib/fpioconst.c: Likewise. * stdlib/strtod.c: Likewise. * sysdeps/mips/add_n.S: Use L macro for local labels. * sysdeps/mips/addmul_1.S: Likewise. * sysdeps/mips/lshift.S: Likewise. * sysdeps/mips/memcpy.S: Likewise. * sysdeps/mips/memset.S: Likewise. * sysdeps/mips/mul_1.S: Likewise. * sysdeps/mips/rshift.S: Likewise. * sysdeps/mips/sub_n.S: Likewise. * sysdeps/mips/submul_1.S: Likewise. * sysdeps/mips/mips64/add_n.S: Likewise. * sysdeps/mips/mips64/addmul_1.S: Likewise. * sysdeps/mips/mips64/lshift.S: Likewise. * sysdeps/mips/mips64/mul_1.S: Likewise. * sysdeps/mips/mips64/rshift.S: Likewise. * sysdeps/mips/mips64/sub_n.S: Likewise. * sysdeps/mips/mips64/submul_1.S: Likewise. * sysdeps/unix/mips/sysdep.h: Define L() according to ABI conventions. Define END as in sys/asm.h. * sysdeps/unix/mips/sysdep.S: Likewise. * sysdeps/unix/mips/wait.S: Likewise. * sysdeps/unix/sysv/linux/mips/clone.S: Likewise. * sysdeps/ieee754/dbl-64/dbl2mpn.c (__mpn_extract_double): Cast shifted values that may be too narrow to mp_limb_t. * sysdeps/ieee754/dbl-64/mpn2dbl.c (__mpn_construct_double): Likewise. * sysdeps/ieee754/flt-32/mpn2flt.c (__mpn_construct_float): Likewise. * sysdeps/ieee754/ldbl-128/ldbl2mpn.c (__mpn_extract_long_double): Likewise. * sysdeps/ieee754/ldbl-128/mpn2ldbl.c (__mpn_construct_long_double): Likewise. * sysdeps/ieee754/ldbl-96/ldbl2mpn.c (__mpn_extract_long_double): Likewise. * sysdeps/ieee754/ldbl-96/mpn2ldbl.c (__mpn_construct_long_double): Likewise. 2003-03-13 Roland McGrath <roland@redhat.com>
100 lines
2.4 KiB
ArmAsm
100 lines
2.4 KiB
ArmAsm
/* MIPS __mpn_submul_1 -- Multiply a limb vector with a single limb and
|
|
subtract the product from a second limb vector.
|
|
|
|
Copyright (C) 1995, 2000, 2002, 2003 Free Software Foundation, Inc.
|
|
|
|
This file is part of the GNU MP Library.
|
|
|
|
The GNU MP Library is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU Lesser General Public License as published by
|
|
the Free Software Foundation; either version 2.1 of the License, or (at your
|
|
option) any later version.
|
|
|
|
The GNU MP Library 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 Lesser General Public
|
|
License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public License
|
|
along with the GNU MP Library; see the file COPYING.LIB. If not, write to
|
|
the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
|
|
MA 02111-1307, USA. */
|
|
|
|
#include <sysdep.h>
|
|
|
|
/* INPUT PARAMETERS
|
|
res_ptr $4
|
|
s1_ptr $5
|
|
size $6
|
|
s2_limb $7
|
|
*/
|
|
#ifdef __PIC__
|
|
.option pic2
|
|
#endif
|
|
ENTRY (__mpn_submul_1)
|
|
.set noreorder
|
|
#ifdef __PIC__
|
|
.cpload t9
|
|
#endif
|
|
.set nomacro
|
|
|
|
/* warm up phase 0 */
|
|
lw $8,0($5)
|
|
|
|
/* warm up phase 1 */
|
|
addiu $5,$5,4
|
|
multu $8,$7
|
|
|
|
addiu $6,$6,-1
|
|
beq $6,$0,L(LC0)
|
|
move $2,$0 /* zero cy2 */
|
|
|
|
addiu $6,$6,-1
|
|
beq $6,$0,L(LC1)
|
|
lw $8,0($5) /* load new s1 limb as early as possible */
|
|
|
|
L(Loop): lw $10,0($4)
|
|
mflo $3
|
|
mfhi $9
|
|
addiu $5,$5,4
|
|
addu $3,$3,$2 /* add old carry limb to low product limb */
|
|
multu $8,$7
|
|
lw $8,0($5) /* load new s1 limb as early as possible */
|
|
addiu $6,$6,-1 /* decrement loop counter */
|
|
sltu $2,$3,$2 /* carry from previous addition -> $2 */
|
|
subu $3,$10,$3
|
|
sgtu $10,$3,$10
|
|
addu $2,$2,$10
|
|
sw $3,0($4)
|
|
addiu $4,$4,4
|
|
bne $6,$0,L(Loop) /* should be "bnel" */
|
|
addu $2,$9,$2 /* add high product limb and carry from addition */
|
|
|
|
/* cool down phase 1 */
|
|
L(LC1): lw $10,0($4)
|
|
mflo $3
|
|
mfhi $9
|
|
addu $3,$3,$2
|
|
sltu $2,$3,$2
|
|
multu $8,$7
|
|
subu $3,$10,$3
|
|
sgtu $10,$3,$10
|
|
addu $2,$2,$10
|
|
sw $3,0($4)
|
|
addiu $4,$4,4
|
|
addu $2,$9,$2 /* add high product limb and carry from addition */
|
|
|
|
/* cool down phase 0 */
|
|
L(LC0): lw $10,0($4)
|
|
mflo $3
|
|
mfhi $9
|
|
addu $3,$3,$2
|
|
sltu $2,$3,$2
|
|
subu $3,$10,$3
|
|
sgtu $10,$3,$10
|
|
addu $2,$2,$10
|
|
sw $3,0($4)
|
|
j $31
|
|
addu $2,$9,$2 /* add high product limb and carry from addition */
|
|
END (__mpn_submul_1)
|