glibc/sysdeps/mips/mips64/addmul_1.S
Roland McGrath d8a5edc221 * elf/dl-load.c (_dl_map_object_from_fd): Bail if no PT_LOAD phdrs
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>
2003-03-14 03:59:59 +00:00

108 lines
2.5 KiB
ArmAsm

/* MIPS3 __mpn_addmul_1 -- Multiply a limb vector with a single limb and
* add the product to a second limb vector.
*
* Copyright (C) 1992, 1994, 1995, 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>
#include <sys/asm.h>
/* INPUT PARAMETERS
* res_ptr $4
* s1_ptr $5
* size $6
* s2_limb $7
*/
#ifdef PIC
.option pic2
#endif
.text
.align 4
.globl __mpn_addmul_1
.ent __mpn_addmul_1
__mpn_addmul_1:
#ifdef PIC
SETUP_GP /* ??? unused */
#endif
.set noreorder
.set nomacro
# warm up phase 0
ld $8,0($5)
# warm up phase 1
daddiu $5,$5,8
dmultu $8,$7
daddiu $6,$6,-1
beq $6,$0,L(LC0)
move $2,$0 # zero cy2
daddiu $6,$6,-1
beq $6,$0,L(LC1)
ld $8,0($5) # load new s1 limb as early as possible
L(Loop): ld $10,0($4)
mflo $3
mfhi $9
daddiu $5,$5,8
daddu $3,$3,$2 # add old carry limb to low product limb
dmultu $8,$7
ld $8,0($5) # load new s1 limb as early as possible
daddiu $6,$6,-1 # decrement loop counter
sltu $2,$3,$2 # carry from previous addition -> $2
daddu $3,$10,$3
sltu $10,$3,$10
daddu $2,$2,$10
sd $3,0($4)
daddiu $4,$4,8
bne $6,$0,L(Loop)
daddu $2,$9,$2 # add high product limb and carry from addition
# cool down phase 1
L(LC1): ld $10,0($4)
mflo $3
mfhi $9
daddu $3,$3,$2
sltu $2,$3,$2
dmultu $8,$7
daddu $3,$10,$3
sltu $10,$3,$10
daddu $2,$2,$10
sd $3,0($4)
daddiu $4,$4,8
daddu $2,$9,$2 # add high product limb and carry from addition
# cool down phase 0
L(LC0): ld $10,0($4)
mflo $3
mfhi $9
daddu $3,$3,$2
sltu $2,$3,$2
daddu $3,$10,$3
sltu $10,$3,$10
daddu $2,$2,$10
sd $3,0($4)
j $31
daddu $2,$9,$2 # add high product limb and carry from addition
.end __mpn_addmul_1