Add Chromium-only Blender WebEngine parity work

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mes123456
2026-08-12 04:47:48 -04:00
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dnl MIPS32 mpn_add_n -- Add two limb vectors of the same length > 0 and store
dnl sum in a third limb vector.
dnl Copyright 1995, 2000, 2002 Free Software Foundation, Inc.
dnl This file is part of the GNU MP Library.
dnl
dnl The GNU MP Library is free software; you can redistribute it and/or modify
dnl it under the terms of either:
dnl
dnl * the GNU Lesser General Public License as published by the Free
dnl Software Foundation; either version 3 of the License, or (at your
dnl option) any later version.
dnl
dnl or
dnl
dnl * the GNU General Public License as published by the Free Software
dnl Foundation; either version 2 of the License, or (at your option) any
dnl later version.
dnl
dnl or both in parallel, as here.
dnl
dnl The GNU MP Library is distributed in the hope that it will be useful, but
dnl WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
dnl or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
dnl for more details.
dnl
dnl You should have received copies of the GNU General Public License and the
dnl GNU Lesser General Public License along with the GNU MP Library. If not,
dnl see https://www.gnu.org/licenses/.
include(`../config.m4')
C INPUT PARAMETERS
C res_ptr $4
C s1_ptr $5
C s2_ptr $6
C size $7
ASM_START()
PROLOGUE(mpn_add_n)
lw $10,0($5)
lw $11,0($6)
addiu $7,$7,-1
and $9,$7,4-1 C number of limbs in first loop
beq $9,$0,.L0 C if multiple of 4 limbs, skip first loop
move $2,$0
subu $7,$7,$9
.Loop0: addiu $9,$9,-1
lw $12,4($5)
addu $11,$11,$2
lw $13,4($6)
sltu $8,$11,$2
addu $11,$10,$11
sltu $2,$11,$10
sw $11,0($4)
or $2,$2,$8
addiu $5,$5,4
addiu $6,$6,4
move $10,$12
move $11,$13
bne $9,$0,.Loop0
addiu $4,$4,4
.L0: beq $7,$0,.Lend
nop
.Loop: addiu $7,$7,-4
lw $12,4($5)
addu $11,$11,$2
lw $13,4($6)
sltu $8,$11,$2
addu $11,$10,$11
sltu $2,$11,$10
sw $11,0($4)
or $2,$2,$8
lw $10,8($5)
addu $13,$13,$2
lw $11,8($6)
sltu $8,$13,$2
addu $13,$12,$13
sltu $2,$13,$12
sw $13,4($4)
or $2,$2,$8
lw $12,12($5)
addu $11,$11,$2
lw $13,12($6)
sltu $8,$11,$2
addu $11,$10,$11
sltu $2,$11,$10
sw $11,8($4)
or $2,$2,$8
lw $10,16($5)
addu $13,$13,$2
lw $11,16($6)
sltu $8,$13,$2
addu $13,$12,$13
sltu $2,$13,$12
sw $13,12($4)
or $2,$2,$8
addiu $5,$5,16
addiu $6,$6,16
bne $7,$0,.Loop
addiu $4,$4,16
.Lend: addu $11,$11,$2
sltu $8,$11,$2
addu $11,$10,$11
sltu $2,$11,$10
sw $11,0($4)
j $31
or $2,$2,$8
EPILOGUE(mpn_add_n)

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dnl MIPS32 mpn_addmul_1 -- Multiply a limb vector with a single limb and add
dnl the product to a second limb vector.
dnl Copyright 1992, 1994, 1996, 2000, 2002 Free Software Foundation, Inc.
dnl This file is part of the GNU MP Library.
dnl
dnl The GNU MP Library is free software; you can redistribute it and/or modify
dnl it under the terms of either:
dnl
dnl * the GNU Lesser General Public License as published by the Free
dnl Software Foundation; either version 3 of the License, or (at your
dnl option) any later version.
dnl
dnl or
dnl
dnl * the GNU General Public License as published by the Free Software
dnl Foundation; either version 2 of the License, or (at your option) any
dnl later version.
dnl
dnl or both in parallel, as here.
dnl
dnl The GNU MP Library is distributed in the hope that it will be useful, but
dnl WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
dnl or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
dnl for more details.
dnl
dnl You should have received copies of the GNU General Public License and the
dnl GNU Lesser General Public License along with the GNU MP Library. If not,
dnl see https://www.gnu.org/licenses/.
include(`../config.m4')
C INPUT PARAMETERS
C res_ptr $4
C s1_ptr $5
C size $6
C s2_limb $7
ASM_START()
PROLOGUE(mpn_addmul_1)
C feed-in phase 0
lw $8,0($5)
C feed-in phase 1
addiu $5,$5,4
multu $8,$7
addiu $6,$6,-1
beq $6,$0,$LC0
move $2,$0 C zero cy2
addiu $6,$6,-1
beq $6,$0,$LC1
lw $8,0($5) C load new s1 limb as early as possible
Loop: lw $10,0($4)
mflo $3
mfhi $9
addiu $5,$5,4
addu $3,$3,$2 C add old carry limb to low product limb
multu $8,$7
lw $8,0($5) C load new s1 limb as early as possible
addiu $6,$6,-1 C decrement loop counter
sltu $2,$3,$2 C carry from previous addition -> $2
addu $3,$10,$3
sltu $10,$3,$10
addu $2,$2,$10
sw $3,0($4)
addiu $4,$4,4
bne $6,$0,Loop
addu $2,$9,$2 C add high product limb and carry from addition
C wind-down phase 1
$LC1: lw $10,0($4)
mflo $3
mfhi $9
addu $3,$3,$2
sltu $2,$3,$2
multu $8,$7
addu $3,$10,$3
sltu $10,$3,$10
addu $2,$2,$10
sw $3,0($4)
addiu $4,$4,4
addu $2,$9,$2 C add high product limb and carry from addition
C wind-down phase 0
$LC0: lw $10,0($4)
mflo $3
mfhi $9
addu $3,$3,$2
sltu $2,$3,$2
addu $3,$10,$3
sltu $10,$3,$10
addu $2,$2,$10
sw $3,0($4)
j $31
addu $2,$9,$2 C add high product limb and carry from addition
EPILOGUE(mpn_addmul_1)

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/* gmp-mparam.h -- Compiler/machine parameter header file.
Copyright 1991, 1993, 1994, 1999-2002 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 either:
* the GNU Lesser General Public License as published by the Free
Software Foundation; either version 3 of the License, or (at your
option) any later version.
or
* the GNU General Public License as published by the Free Software
Foundation; either version 2 of the License, or (at your option) any
later version.
or both in parallel, as here.
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 General Public License
for more details.
You should have received copies of the GNU General Public License and the
GNU Lesser General Public License along with the GNU MP Library. If not,
see https://www.gnu.org/licenses/. */
#define GMP_LIMB_BITS 32
#define GMP_LIMB_BYTES 4
/* Generated by tuneup.c, 2002-02-20, gcc 2.95 (R3000) */
#define MUL_TOOM22_THRESHOLD 20
#define MUL_TOOM33_THRESHOLD 50
#define SQR_BASECASE_THRESHOLD 7
#define SQR_TOOM2_THRESHOLD 57
#define SQR_TOOM3_THRESHOLD 78
#define DIV_SB_PREINV_THRESHOLD 0 /* always */
#define DIV_DC_THRESHOLD 57
#define POWM_THRESHOLD 78
#define GCD_ACCEL_THRESHOLD 3
#define JACOBI_BASE_METHOD 2
#define DIVREM_1_NORM_THRESHOLD 0 /* always */
#define DIVREM_1_UNNORM_THRESHOLD 0 /* always */
#define MOD_1_NORM_THRESHOLD 0 /* always */
#define MOD_1_UNNORM_THRESHOLD 0 /* always */
#define USE_PREINV_DIVREM_1 1
#define USE_PREINV_MOD_1 1
#define DIVREM_2_THRESHOLD 0 /* always */
#define DIVEXACT_1_THRESHOLD 0 /* always */
#define MODEXACT_1_ODD_THRESHOLD 0 /* always */
#define GET_STR_DC_THRESHOLD 19
#define GET_STR_PRECOMPUTE_THRESHOLD 25
#define SET_STR_THRESHOLD 309
#define MUL_FFT_TABLE { 496, 1056, 2176, 5632, 14336, 40960, 0 }
#define MUL_FFT_MODF_THRESHOLD 624
#define MUL_FFT_THRESHOLD 5888
#define SQR_FFT_TABLE { 496, 1184, 2176, 5632, 14336, 40960, 0 }
#define SQR_FFT_MODF_THRESHOLD 560
#define SQR_FFT_THRESHOLD 5376

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dnl MIPS32 mpn_lshift -- Left shift.
dnl Copyright 1995, 2000, 2002 Free Software Foundation, Inc.
dnl This file is part of the GNU MP Library.
dnl
dnl The GNU MP Library is free software; you can redistribute it and/or modify
dnl it under the terms of either:
dnl
dnl * the GNU Lesser General Public License as published by the Free
dnl Software Foundation; either version 3 of the License, or (at your
dnl option) any later version.
dnl
dnl or
dnl
dnl * the GNU General Public License as published by the Free Software
dnl Foundation; either version 2 of the License, or (at your option) any
dnl later version.
dnl
dnl or both in parallel, as here.
dnl
dnl The GNU MP Library is distributed in the hope that it will be useful, but
dnl WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
dnl or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
dnl for more details.
dnl
dnl You should have received copies of the GNU General Public License and the
dnl GNU Lesser General Public License along with the GNU MP Library. If not,
dnl see https://www.gnu.org/licenses/.
include(`../config.m4')
C INPUT PARAMETERS
C res_ptr $4
C src_ptr $5
C size $6
C cnt $7
ASM_START()
PROLOGUE(mpn_lshift)
sll $2,$6,2
addu $5,$5,$2 C make r5 point at end of src
lw $10,-4($5) C load first limb
subu $13,$0,$7
addu $4,$4,$2 C make r4 point at end of res
addiu $6,$6,-1
and $9,$6,4-1 C number of limbs in first loop
beq $9,$0,.L0 C if multiple of 4 limbs, skip first loop
srl $2,$10,$13 C compute function result
subu $6,$6,$9
.Loop0: lw $3,-8($5)
addiu $4,$4,-4
addiu $5,$5,-4
addiu $9,$9,-1
sll $11,$10,$7
srl $12,$3,$13
move $10,$3
or $8,$11,$12
bne $9,$0,.Loop0
sw $8,0($4)
.L0: beq $6,$0,.Lend
nop
.Loop: lw $3,-8($5)
addiu $4,$4,-16
addiu $6,$6,-4
sll $11,$10,$7
srl $12,$3,$13
lw $10,-12($5)
sll $14,$3,$7
or $8,$11,$12
sw $8,12($4)
srl $9,$10,$13
lw $3,-16($5)
sll $11,$10,$7
or $8,$14,$9
sw $8,8($4)
srl $12,$3,$13
lw $10,-20($5)
sll $14,$3,$7
or $8,$11,$12
sw $8,4($4)
srl $9,$10,$13
addiu $5,$5,-16
or $8,$14,$9
bgtz $6,.Loop
sw $8,0($4)
.Lend: sll $8,$10,$7
j $31
sw $8,-4($4)
EPILOGUE(mpn_lshift)

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divert(-1)
dnl m4 macros for MIPS assembly code (both 32-bit and 64-bit).
dnl Copyright 2000-2002 Free Software Foundation, Inc.
dnl
dnl This file is part of the GNU MP Library.
dnl
dnl The GNU MP Library is free software; you can redistribute it and/or modify
dnl it under the terms of either:
dnl
dnl * the GNU Lesser General Public License as published by the Free
dnl Software Foundation; either version 3 of the License, or (at your
dnl option) any later version.
dnl
dnl or
dnl
dnl * the GNU General Public License as published by the Free Software
dnl Foundation; either version 2 of the License, or (at your option) any
dnl later version.
dnl
dnl or both in parallel, as here.
dnl
dnl The GNU MP Library is distributed in the hope that it will be useful, but
dnl WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
dnl or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
dnl for more details.
dnl
dnl You should have received copies of the GNU General Public License and the
dnl GNU Lesser General Public License along with the GNU MP Library. If not,
dnl see https://www.gnu.org/licenses/.
dnl Usage: ASM_START()
define(`ASM_START',
m4_assert_numargs(0)
` .set noreorder
.set nomacro')
dnl Usage: X(value)
define(`X',
m4_assert_numargs(1)
`0x$1')
dnl Called: PROLOGUE_cpu(GSYM_PREFIX`'foo)
dnl EPILOGUE_cpu(GSYM_PREFIX`'foo)
define(`PROLOGUE_cpu',
m4_assert_numargs(1)
` .text
.align 4
.globl $1
.ent $1
$1:')
define(`EPILOGUE_cpu',
m4_assert_numargs(1)
` .end $1')
dnl Usage: r0 ... r31
dnl f0 ... f31
dnl
dnl Map register names r0 to $0, and f0 to $f0, etc.
dnl
dnl defreg() is used to protect the $ in $0 (otherwise it would represent a
dnl macro argument). Double quoting is used to protect the f0 in $f0
dnl (otherwise it would be an infinite recursion).
forloop(i,0,31,`defreg(`r'i,$i)')
forloop(i,0,31,`deflit(`f'i,``$f''i)')
dnl Usage: ASM_END()
define(`ASM_END',
m4_assert_numargs(0)
)
divert

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divert(-1)
dnl m4 macros for MIPS assembly code.
dnl Copyright 2000-2002 Free Software Foundation, Inc.
dnl
dnl This file is part of the GNU MP Library.
dnl
dnl The GNU MP Library is free software; you can redistribute it and/or modify
dnl it under the terms of either:
dnl
dnl * the GNU Lesser General Public License as published by the Free
dnl Software Foundation; either version 3 of the License, or (at your
dnl option) any later version.
dnl
dnl or
dnl
dnl * the GNU General Public License as published by the Free Software
dnl Foundation; either version 2 of the License, or (at your option) any
dnl later version.
dnl
dnl or both in parallel, as here.
dnl
dnl The GNU MP Library is distributed in the hope that it will be useful, but
dnl WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
dnl or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
dnl for more details.
dnl
dnl You should have received copies of the GNU General Public License and the
dnl GNU Lesser General Public License along with the GNU MP Library. If not,
dnl see https://www.gnu.org/licenses/.
dnl Usage: ASM_START()
define(`ASM_START',
m4_assert_numargs(0)
` .set noreorder
.set nomacro')
dnl Usage: X(value)
define(`X',
m4_assert_numargs(1)
`0x$1')
dnl Called: PROLOGUE_cpu(GSYM_PREFIX`'foo)
dnl EPILOGUE_cpu(GSYM_PREFIX`'foo)
define(`PROLOGUE_cpu',
m4_assert_numargs(1)
` .text
.align 4
.globl $1
.ent $1
$1:')
define(`EPILOGUE_cpu',
m4_assert_numargs(1)
` .end $1')
dnl Usage: r0 ... r31
dnl f0 ... f31
dnl
dnl Map register names r0 to $0, and f0 to $f0, etc.
dnl
dnl defreg() is used to protect the $ in $0 (otherwise it would represent a
dnl macro argument). Double quoting is used to protect the f0 in $f0
dnl (otherwise it would be an infinite recursion).
forloop(i,0,31,`defreg(`r'i,$i)')
forloop(i,0,31,`deflit(`f'i,``$f''i)')
dnl Usage: ASM_END()
define(`ASM_END',
m4_assert_numargs(0)
)
divert

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dnl MIPS32 mpn_mul_1 -- Multiply a limb vector with a single limb and store
dnl the product in a second limb vector.
dnl Copyright 1992, 1994, 1996, 2000, 2002 Free Software Foundation, Inc.
dnl This file is part of the GNU MP Library.
dnl
dnl The GNU MP Library is free software; you can redistribute it and/or modify
dnl it under the terms of either:
dnl
dnl * the GNU Lesser General Public License as published by the Free
dnl Software Foundation; either version 3 of the License, or (at your
dnl option) any later version.
dnl
dnl or
dnl
dnl * the GNU General Public License as published by the Free Software
dnl Foundation; either version 2 of the License, or (at your option) any
dnl later version.
dnl
dnl or both in parallel, as here.
dnl
dnl The GNU MP Library is distributed in the hope that it will be useful, but
dnl WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
dnl or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
dnl for more details.
dnl
dnl You should have received copies of the GNU General Public License and the
dnl GNU Lesser General Public License along with the GNU MP Library. If not,
dnl see https://www.gnu.org/licenses/.
include(`../config.m4')
C INPUT PARAMETERS
C res_ptr $4
C s1_ptr $5
C size $6
C s2_limb $7
ASM_START()
PROLOGUE(mpn_mul_1)
C feed-in phase 0
lw $8,0($5)
C feed-in phase 1
addiu $5,$5,4
multu $8,$7
addiu $6,$6,-1
beq $6,$0,$LC0
move $2,$0 C zero cy2
addiu $6,$6,-1
beq $6,$0,$LC1
lw $8,0($5) C load new s1 limb as early as possible
Loop: mflo $10
mfhi $9
addiu $5,$5,4
addu $10,$10,$2 C add old carry limb to low product limb
multu $8,$7
lw $8,0($5) C load new s1 limb as early as possible
addiu $6,$6,-1 C decrement loop counter
sltu $2,$10,$2 C carry from previous addition -> $2
sw $10,0($4)
addiu $4,$4,4
bne $6,$0,Loop
addu $2,$9,$2 C add high product limb and carry from addition
C wind-down phase 1
$LC1: mflo $10
mfhi $9
addu $10,$10,$2
sltu $2,$10,$2
multu $8,$7
sw $10,0($4)
addiu $4,$4,4
addu $2,$9,$2 C add high product limb and carry from addition
C wind-down phase 0
$LC0: mflo $10
mfhi $9
addu $10,$10,$2
sltu $2,$10,$2
sw $10,0($4)
j $31
addu $2,$9,$2 C add high product limb and carry from addition
EPILOGUE(mpn_mul_1)

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dnl MIPS32 mpn_rshift -- Right shift.
dnl Copyright 1995, 2000, 2002 Free Software Foundation, Inc.
dnl This file is part of the GNU MP Library.
dnl
dnl The GNU MP Library is free software; you can redistribute it and/or modify
dnl it under the terms of either:
dnl
dnl * the GNU Lesser General Public License as published by the Free
dnl Software Foundation; either version 3 of the License, or (at your
dnl option) any later version.
dnl
dnl or
dnl
dnl * the GNU General Public License as published by the Free Software
dnl Foundation; either version 2 of the License, or (at your option) any
dnl later version.
dnl
dnl or both in parallel, as here.
dnl
dnl The GNU MP Library is distributed in the hope that it will be useful, but
dnl WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
dnl or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
dnl for more details.
dnl
dnl You should have received copies of the GNU General Public License and the
dnl GNU Lesser General Public License along with the GNU MP Library. If not,
dnl see https://www.gnu.org/licenses/.
include(`../config.m4')
C INPUT PARAMETERS
C res_ptr $4
C src_ptr $5
C size $6
C cnt $7
ASM_START()
PROLOGUE(mpn_rshift)
lw $10,0($5) C load first limb
subu $13,$0,$7
addiu $6,$6,-1
and $9,$6,4-1 C number of limbs in first loop
beq $9,$0,.L0 C if multiple of 4 limbs, skip first loop
sll $2,$10,$13 C compute function result
subu $6,$6,$9
.Loop0: lw $3,4($5)
addiu $4,$4,4
addiu $5,$5,4
addiu $9,$9,-1
srl $11,$10,$7
sll $12,$3,$13
move $10,$3
or $8,$11,$12
bne $9,$0,.Loop0
sw $8,-4($4)
.L0: beq $6,$0,.Lend
nop
.Loop: lw $3,4($5)
addiu $4,$4,16
addiu $6,$6,-4
srl $11,$10,$7
sll $12,$3,$13
lw $10,8($5)
srl $14,$3,$7
or $8,$11,$12
sw $8,-16($4)
sll $9,$10,$13
lw $3,12($5)
srl $11,$10,$7
or $8,$14,$9
sw $8,-12($4)
sll $12,$3,$13
lw $10,16($5)
srl $14,$3,$7
or $8,$11,$12
sw $8,-8($4)
sll $9,$10,$13
addiu $5,$5,16
or $8,$14,$9
bgtz $6,.Loop
sw $8,-4($4)
.Lend: srl $8,$10,$7
j $31
sw $8,0($4)
EPILOGUE(mpn_rshift)

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dnl MIPS32 mpn_sub_n -- Subtract two limb vectors of the same length > 0 and
dnl store difference in a third limb vector.
dnl Copyright 1995, 2000, 2002 Free Software Foundation, Inc.
dnl This file is part of the GNU MP Library.
dnl
dnl The GNU MP Library is free software; you can redistribute it and/or modify
dnl it under the terms of either:
dnl
dnl * the GNU Lesser General Public License as published by the Free
dnl Software Foundation; either version 3 of the License, or (at your
dnl option) any later version.
dnl
dnl or
dnl
dnl * the GNU General Public License as published by the Free Software
dnl Foundation; either version 2 of the License, or (at your option) any
dnl later version.
dnl
dnl or both in parallel, as here.
dnl
dnl The GNU MP Library is distributed in the hope that it will be useful, but
dnl WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
dnl or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
dnl for more details.
dnl
dnl You should have received copies of the GNU General Public License and the
dnl GNU Lesser General Public License along with the GNU MP Library. If not,
dnl see https://www.gnu.org/licenses/.
include(`../config.m4')
C INPUT PARAMETERS
C res_ptr $4
C s1_ptr $5
C s2_ptr $6
C size $7
ASM_START()
PROLOGUE(mpn_sub_n)
lw $10,0($5)
lw $11,0($6)
addiu $7,$7,-1
and $9,$7,4-1 C number of limbs in first loop
beq $9,$0,.L0 C if multiple of 4 limbs, skip first loop
move $2,$0
subu $7,$7,$9
.Loop0: addiu $9,$9,-1
lw $12,4($5)
addu $11,$11,$2
lw $13,4($6)
sltu $8,$11,$2
subu $11,$10,$11
sltu $2,$10,$11
sw $11,0($4)
or $2,$2,$8
addiu $5,$5,4
addiu $6,$6,4
move $10,$12
move $11,$13
bne $9,$0,.Loop0
addiu $4,$4,4
.L0: beq $7,$0,.Lend
nop
.Loop: addiu $7,$7,-4
lw $12,4($5)
addu $11,$11,$2
lw $13,4($6)
sltu $8,$11,$2
subu $11,$10,$11
sltu $2,$10,$11
sw $11,0($4)
or $2,$2,$8
lw $10,8($5)
addu $13,$13,$2
lw $11,8($6)
sltu $8,$13,$2
subu $13,$12,$13
sltu $2,$12,$13
sw $13,4($4)
or $2,$2,$8
lw $12,12($5)
addu $11,$11,$2
lw $13,12($6)
sltu $8,$11,$2
subu $11,$10,$11
sltu $2,$10,$11
sw $11,8($4)
or $2,$2,$8
lw $10,16($5)
addu $13,$13,$2
lw $11,16($6)
sltu $8,$13,$2
subu $13,$12,$13
sltu $2,$12,$13
sw $13,12($4)
or $2,$2,$8
addiu $5,$5,16
addiu $6,$6,16
bne $7,$0,.Loop
addiu $4,$4,16
.Lend: addu $11,$11,$2
sltu $8,$11,$2
subu $11,$10,$11
sltu $2,$10,$11
sw $11,0($4)
j $31
or $2,$2,$8
EPILOGUE(mpn_sub_n)

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dnl MIPS32 mpn_submul_1 -- Multiply a limb vector with a single limb and
dnl subtract the product from a second limb vector.
dnl Copyright 1992, 1994, 1996, 2000, 2002 Free Software Foundation, Inc.
dnl This file is part of the GNU MP Library.
dnl
dnl The GNU MP Library is free software; you can redistribute it and/or modify
dnl it under the terms of either:
dnl
dnl * the GNU Lesser General Public License as published by the Free
dnl Software Foundation; either version 3 of the License, or (at your
dnl option) any later version.
dnl
dnl or
dnl
dnl * the GNU General Public License as published by the Free Software
dnl Foundation; either version 2 of the License, or (at your option) any
dnl later version.
dnl
dnl or both in parallel, as here.
dnl
dnl The GNU MP Library is distributed in the hope that it will be useful, but
dnl WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
dnl or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
dnl for more details.
dnl
dnl You should have received copies of the GNU General Public License and the
dnl GNU Lesser General Public License along with the GNU MP Library. If not,
dnl see https://www.gnu.org/licenses/.
include(`../config.m4')
C INPUT PARAMETERS
C res_ptr $4
C s1_ptr $5
C size $6
C s2_limb $7
ASM_START()
PROLOGUE(mpn_submul_1)
C feed-in phase 0
lw $8,0($5)
C feed-in phase 1
addiu $5,$5,4
multu $8,$7
addiu $6,$6,-1
beq $6,$0,$LC0
move $2,$0 C zero cy2
addiu $6,$6,-1
beq $6,$0,$LC1
lw $8,0($5) C load new s1 limb as early as possible
Loop: lw $10,0($4)
mflo $3
mfhi $9
addiu $5,$5,4
addu $3,$3,$2 C add old carry limb to low product limb
multu $8,$7
lw $8,0($5) C load new s1 limb as early as possible
addiu $6,$6,-1 C decrement loop counter
sltu $2,$3,$2 C 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,Loop
addu $2,$9,$2 C add high product limb and carry from addition
C wind-down phase 1
$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 C add high product limb and carry from addition
C wind-down phase 0
$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 C add high product limb and carry from addition
EPILOGUE(mpn_submul_1)

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@@ -0,0 +1,45 @@
dnl MIPS32 umul_ppmm -- longlong.h support.
dnl Copyright 1999, 2002 Free Software Foundation, Inc.
dnl This file is part of the GNU MP Library.
dnl
dnl The GNU MP Library is free software; you can redistribute it and/or modify
dnl it under the terms of either:
dnl
dnl * the GNU Lesser General Public License as published by the Free
dnl Software Foundation; either version 3 of the License, or (at your
dnl option) any later version.
dnl
dnl or
dnl
dnl * the GNU General Public License as published by the Free Software
dnl Foundation; either version 2 of the License, or (at your option) any
dnl later version.
dnl
dnl or both in parallel, as here.
dnl
dnl The GNU MP Library is distributed in the hope that it will be useful, but
dnl WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
dnl or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
dnl for more details.
dnl
dnl You should have received copies of the GNU General Public License and the
dnl GNU Lesser General Public License along with the GNU MP Library. If not,
dnl see https://www.gnu.org/licenses/.
include(`../config.m4')
C INPUT PARAMETERS
C plp $4
C u $5
C v $6
ASM_START()
PROLOGUE(mpn_umul_ppmm)
multu $5,$6
mflo $3
mfhi $2
j $31
sw $3,0($4)
EPILOGUE(mpn_umul_ppmm)