Add Chromium-only Blender WebEngine parity work
This commit is contained in:
mes123456
79
blender-5.2.0/extern/gmp-source/mpn/powerpc32/750/com.asm
vendored
Normal file
79
blender-5.2.0/extern/gmp-source/mpn/powerpc32/750/com.asm
vendored
Normal file
@@ -0,0 +1,79 @@
|
||||
dnl PowerPC 750 mpn_com -- mpn bitwise one's complement
|
||||
|
||||
dnl Copyright 2002, 2003 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 cycles/limb
|
||||
C 603e: ?
|
||||
C 604e: 3.0
|
||||
C 75x (G3): 2.0
|
||||
C 7400,7410 (G4): 2.0
|
||||
C 744x,745x (G4+): 3.0
|
||||
|
||||
C void mpn_com (mp_ptr dst, mp_srcptr src, mp_size_t size);
|
||||
C
|
||||
C This loop form is necessary for the claimed speed.
|
||||
|
||||
ASM_START()
|
||||
PROLOGUE(mpn_com)
|
||||
|
||||
C r3 dst
|
||||
C r4 src
|
||||
C r5 size
|
||||
|
||||
mtctr r5 C size
|
||||
lwz r5, 0(r4) C src low limb
|
||||
|
||||
sub r4, r4, r3 C src-dst
|
||||
subi r3, r3, 4 C dst-4
|
||||
|
||||
addi r4, r4, 8 C src-dst+8
|
||||
bdz L(one)
|
||||
|
||||
L(top):
|
||||
C r3 &dst[i-1]
|
||||
C r4 src-dst
|
||||
C r5 src[i]
|
||||
C r6 scratch
|
||||
|
||||
not r6, r5 C ~src[i]
|
||||
lwzx r5, r4,r3 C src[i+1]
|
||||
|
||||
stwu r6, 4(r3) C dst[i]
|
||||
bdnz L(top)
|
||||
|
||||
L(one):
|
||||
not r6, r5
|
||||
|
||||
stw r6, 4(r3) C dst[size-1]
|
||||
blr
|
||||
|
||||
EPILOGUE()
|
||||
192
blender-5.2.0/extern/gmp-source/mpn/powerpc32/750/gmp-mparam.h
vendored
Normal file
192
blender-5.2.0/extern/gmp-source/mpn/powerpc32/750/gmp-mparam.h
vendored
Normal file
@@ -0,0 +1,192 @@
|
||||
/* PowerPC-32 gmp-mparam.h -- Compiler/machine parameter header file.
|
||||
|
||||
Copyright 2002, 2004, 2009, 2010 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
|
||||
|
||||
|
||||
/* This file is used for 75x (G3) and for 7400/7410 (G4), both which have
|
||||
much slow multiply instructions. */
|
||||
|
||||
/* 450 MHz PPC 7400 */
|
||||
|
||||
#define DIVREM_1_NORM_THRESHOLD 0 /* always */
|
||||
#define DIVREM_1_UNNORM_THRESHOLD 0 /* always */
|
||||
#define MOD_1_NORM_THRESHOLD 3
|
||||
#define MOD_1_UNNORM_THRESHOLD 0 /* always */
|
||||
#define MOD_1N_TO_MOD_1_1_THRESHOLD 11
|
||||
#define MOD_1U_TO_MOD_1_1_THRESHOLD 7
|
||||
#define MOD_1_1_TO_MOD_1_2_THRESHOLD 11
|
||||
#define MOD_1_2_TO_MOD_1_4_THRESHOLD 18
|
||||
#define PREINV_MOD_1_TO_MOD_1_THRESHOLD 38
|
||||
#define USE_PREINV_DIVREM_1 1
|
||||
#define DIVEXACT_1_THRESHOLD 0 /* always */
|
||||
#define BMOD_1_TO_MOD_1_THRESHOLD MP_SIZE_T_MAX /* never */
|
||||
|
||||
#define MUL_TOOM22_THRESHOLD 10
|
||||
#define MUL_TOOM33_THRESHOLD 38
|
||||
#define MUL_TOOM44_THRESHOLD 99
|
||||
#define MUL_TOOM6H_THRESHOLD 141
|
||||
#define MUL_TOOM8H_THRESHOLD 212
|
||||
|
||||
#define MUL_TOOM32_TO_TOOM43_THRESHOLD 65
|
||||
#define MUL_TOOM32_TO_TOOM53_THRESHOLD 69
|
||||
#define MUL_TOOM42_TO_TOOM53_THRESHOLD 65
|
||||
#define MUL_TOOM42_TO_TOOM63_THRESHOLD 66
|
||||
|
||||
#define SQR_BASECASE_THRESHOLD 4
|
||||
#define SQR_TOOM2_THRESHOLD 18
|
||||
#define SQR_TOOM3_THRESHOLD 57
|
||||
#define SQR_TOOM4_THRESHOLD 142
|
||||
#define SQR_TOOM6_THRESHOLD 173
|
||||
#define SQR_TOOM8_THRESHOLD 309
|
||||
|
||||
#define MULMOD_BNM1_THRESHOLD 9
|
||||
#define SQRMOD_BNM1_THRESHOLD 11
|
||||
|
||||
#define MUL_FFT_MODF_THRESHOLD 220 /* k = 5 */
|
||||
#define MUL_FFT_TABLE3 \
|
||||
{ { 220, 5}, { 13, 6}, { 7, 5}, { 15, 6}, \
|
||||
{ 8, 5}, { 17, 6}, { 9, 5}, { 19, 6}, \
|
||||
{ 13, 7}, { 7, 6}, { 17, 7}, { 9, 6}, \
|
||||
{ 19, 7}, { 11, 6}, { 23, 7}, { 13, 8}, \
|
||||
{ 7, 7}, { 19, 8}, { 11, 7}, { 23, 9}, \
|
||||
{ 7, 8}, { 15, 7}, { 33, 8}, { 19, 7}, \
|
||||
{ 39, 8}, { 23, 9}, { 15, 8}, { 39, 9}, \
|
||||
{ 23, 8}, { 47,10}, { 15, 9}, { 31, 8}, \
|
||||
{ 67, 9}, { 55,10}, { 31, 9}, { 63, 8}, \
|
||||
{ 127, 7}, { 255, 9}, { 71, 8}, { 143, 7}, \
|
||||
{ 287, 9}, { 79,10}, { 47, 9}, { 95,11}, \
|
||||
{ 31,10}, { 63, 9}, { 127, 8}, { 255, 9}, \
|
||||
{ 143, 8}, { 287,10}, { 79, 9}, { 159, 8}, \
|
||||
{ 319, 9}, { 175, 8}, { 351, 7}, { 703,10}, \
|
||||
{ 95, 9}, { 191, 8}, { 383, 9}, { 207,10}, \
|
||||
{ 111,11}, { 63,10}, { 127, 9}, { 255,10}, \
|
||||
{ 143, 9}, { 287, 8}, { 575,10}, { 159, 9}, \
|
||||
{ 319,10}, { 175, 9}, { 351, 8}, { 703,11}, \
|
||||
{ 95,10}, { 191, 9}, { 383,10}, { 207, 9}, \
|
||||
{ 415, 8}, { 831,12}, { 63,11}, { 127,10}, \
|
||||
{ 255, 9}, { 511,10}, { 271, 9}, { 543,10}, \
|
||||
{ 287, 9}, { 575,11}, { 159,10}, { 351, 9}, \
|
||||
{ 703, 8}, { 1407,11}, { 191,10}, { 415, 9}, \
|
||||
{ 831,11}, { 223,10}, { 447, 9}, { 895,12}, \
|
||||
{ 127,11}, { 255,10}, { 543,11}, { 287,10}, \
|
||||
{ 575,11}, { 351,10}, { 703, 9}, { 1407,12}, \
|
||||
{ 191,11}, { 415,10}, { 831,11}, { 447,10}, \
|
||||
{ 895,13}, { 127,12}, { 255,11}, { 543,10}, \
|
||||
{ 1087,11}, { 575,12}, { 319,11}, { 703,10}, \
|
||||
{ 1407,12}, { 383,11}, { 831,12}, { 447,11}, \
|
||||
{ 895,10}, { 1791,11}, { 959,13}, { 255,12}, \
|
||||
{ 511,11}, { 1087,12}, { 575,11}, { 1215,12}, \
|
||||
{ 703,11}, { 1407,13}, { 383,12}, { 895,11}, \
|
||||
{ 1791,12}, { 959,14}, { 255,13}, { 511,12}, \
|
||||
{ 1215,13}, { 639,12}, { 1407,13}, { 895,12}, \
|
||||
{ 1919,14}, { 511,13}, { 1023,12}, { 2047,13}, \
|
||||
{ 1151,12}, { 2303,13}, { 1407,14}, { 767,13}, \
|
||||
{ 1919,10}, { 15359,12}, { 4096,13}, { 8192,14}, \
|
||||
{ 16384,15}, { 32768,16} }
|
||||
#define MUL_FFT_TABLE3_SIZE 154
|
||||
#define MUL_FFT_THRESHOLD 2688
|
||||
|
||||
#define SQR_FFT_MODF_THRESHOLD 184 /* k = 5 */
|
||||
#define SQR_FFT_TABLE3 \
|
||||
{ { 184, 5}, { 6, 4}, { 13, 5}, { 13, 6}, \
|
||||
{ 7, 5}, { 15, 6}, { 13, 7}, { 7, 6}, \
|
||||
{ 16, 7}, { 9, 6}, { 19, 7}, { 11, 6}, \
|
||||
{ 23, 7}, { 13, 8}, { 7, 7}, { 19, 8}, \
|
||||
{ 11, 7}, { 25, 9}, { 7, 8}, { 15, 7}, \
|
||||
{ 31, 8}, { 19, 7}, { 39, 8}, { 27, 9}, \
|
||||
{ 15, 8}, { 39, 9}, { 23,10}, { 15, 9}, \
|
||||
{ 31, 8}, { 63, 9}, { 39, 8}, { 79, 9}, \
|
||||
{ 47, 8}, { 95,10}, { 31, 9}, { 63, 8}, \
|
||||
{ 127, 7}, { 255, 9}, { 71, 8}, { 143, 7}, \
|
||||
{ 287, 9}, { 79, 8}, { 159,10}, { 47, 9}, \
|
||||
{ 95,11}, { 31,10}, { 63, 9}, { 127, 8}, \
|
||||
{ 255, 9}, { 143, 8}, { 287, 7}, { 575,10}, \
|
||||
{ 79, 9}, { 159, 8}, { 319, 9}, { 175, 8}, \
|
||||
{ 351,10}, { 95, 9}, { 191, 8}, { 383, 9}, \
|
||||
{ 207,10}, { 111,11}, { 63,10}, { 127, 9}, \
|
||||
{ 255,10}, { 143, 9}, { 287, 8}, { 575,10}, \
|
||||
{ 159, 9}, { 319,10}, { 175, 9}, { 351,11}, \
|
||||
{ 95,10}, { 191, 9}, { 383,10}, { 207, 9}, \
|
||||
{ 415, 8}, { 831,10}, { 223,12}, { 63,11}, \
|
||||
{ 127,10}, { 255, 9}, { 511,10}, { 287, 9}, \
|
||||
{ 575,11}, { 159,10}, { 351, 9}, { 703,11}, \
|
||||
{ 191,10}, { 415, 9}, { 831,11}, { 223,10}, \
|
||||
{ 447, 9}, { 895,12}, { 127,11}, { 255,10}, \
|
||||
{ 511,11}, { 287,10}, { 575,11}, { 319,10}, \
|
||||
{ 639,11}, { 351,10}, { 703, 9}, { 1407,12}, \
|
||||
{ 191,11}, { 383,10}, { 767,11}, { 415,10}, \
|
||||
{ 831,11}, { 447,10}, { 895,13}, { 127,12}, \
|
||||
{ 255,11}, { 511,10}, { 1023,11}, { 575,12}, \
|
||||
{ 319,11}, { 703,10}, { 1407,12}, { 383,11}, \
|
||||
{ 831,12}, { 447,11}, { 895,10}, { 1791,11}, \
|
||||
{ 959,13}, { 255,12}, { 511,11}, { 1023,12}, \
|
||||
{ 575,11}, { 1215,12}, { 703,11}, { 1407,13}, \
|
||||
{ 383,12}, { 895,11}, { 1791,12}, { 959,14}, \
|
||||
{ 255,13}, { 511,12}, { 1215,13}, { 639,12}, \
|
||||
{ 1471,13}, { 767,12}, { 1535,13}, { 895,12}, \
|
||||
{ 1919,14}, { 511,13}, { 1151,12}, { 2431,13}, \
|
||||
{ 1407,14}, { 767,13}, { 1919,15}, { 32768,16} }
|
||||
#define SQR_FFT_TABLE3_SIZE 152
|
||||
#define SQR_FFT_THRESHOLD 1728
|
||||
|
||||
#define MULLO_BASECASE_THRESHOLD 0 /* always */
|
||||
#define MULLO_DC_THRESHOLD 33
|
||||
#define MULLO_MUL_N_THRESHOLD 5240
|
||||
|
||||
#define DC_DIV_QR_THRESHOLD 31
|
||||
#define DC_DIVAPPR_Q_THRESHOLD 108
|
||||
#define DC_BDIV_QR_THRESHOLD 35
|
||||
#define DC_BDIV_Q_THRESHOLD 88
|
||||
|
||||
#define INV_MULMOD_BNM1_THRESHOLD 42
|
||||
#define INV_NEWTON_THRESHOLD 149
|
||||
#define INV_APPR_THRESHOLD 125
|
||||
|
||||
#define BINV_NEWTON_THRESHOLD 156
|
||||
#define REDC_1_TO_REDC_N_THRESHOLD 39
|
||||
|
||||
#define MU_DIV_QR_THRESHOLD 807
|
||||
#define MU_DIVAPPR_Q_THRESHOLD 807
|
||||
#define MUPI_DIV_QR_THRESHOLD 66
|
||||
#define MU_BDIV_QR_THRESHOLD 667
|
||||
#define MU_BDIV_Q_THRESHOLD 807
|
||||
|
||||
#define MATRIX22_STRASSEN_THRESHOLD 11
|
||||
#define HGCD_THRESHOLD 87
|
||||
#define GCD_DC_THRESHOLD 233
|
||||
#define GCDEXT_DC_THRESHOLD 198
|
||||
#define JACOBI_BASE_METHOD 1
|
||||
|
||||
#define GET_STR_DC_THRESHOLD 12
|
||||
#define GET_STR_PRECOMPUTE_THRESHOLD 28
|
||||
#define SET_STR_DC_THRESHOLD 390
|
||||
#define SET_STR_PRECOMPUTE_THRESHOLD 814
|
||||
155
blender-5.2.0/extern/gmp-source/mpn/powerpc32/750/lshift.asm
vendored
Normal file
155
blender-5.2.0/extern/gmp-source/mpn/powerpc32/750/lshift.asm
vendored
Normal file
@@ -0,0 +1,155 @@
|
||||
dnl PowerPC 750 mpn_lshift -- mpn left shift.
|
||||
|
||||
dnl Copyright 2002, 2003 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 cycles/limb
|
||||
C 750: 3.0
|
||||
C 7400: 3.0
|
||||
|
||||
|
||||
C mp_limb_t mpn_lshift (mp_ptr dst, mp_srcptr src, mp_size_t size,
|
||||
C unsigned shift);
|
||||
C
|
||||
C This code is the same per-limb speed as mpn/powerpc32/lshift.asm, but
|
||||
C smaller and saving about 30 or so cycles of overhead.
|
||||
|
||||
ASM_START()
|
||||
PROLOGUE(mpn_lshift)
|
||||
|
||||
C r3 dst
|
||||
C r4 src
|
||||
C r5 size
|
||||
C r6 shift
|
||||
|
||||
mtctr r5 C size
|
||||
slwi r5, r5, 2 C 4*size
|
||||
|
||||
subfic r7, r6, 32 C 32-shift
|
||||
add r4, r4, r5 C &src[size]
|
||||
|
||||
add r5, r3, r5 C &dst[size]
|
||||
lwz r8, -4(r4) C src[size-1]
|
||||
bdz L(one)
|
||||
|
||||
lwzu r9, -8(r4) C src[size-2]
|
||||
|
||||
srw r3, r8, r7 C return value
|
||||
slw r8, r8, r6 C src[size-1] << shift
|
||||
bdz L(two)
|
||||
|
||||
|
||||
L(top):
|
||||
C r3 return value
|
||||
C r4 src, incrementing
|
||||
C r5 dst, incrementing
|
||||
C r6 lshift
|
||||
C r7 32-shift
|
||||
C r8 src[i+1] << shift
|
||||
C r9 src[i]
|
||||
C r10
|
||||
|
||||
lwzu r10, -4(r4)
|
||||
srw r11, r9, r7
|
||||
|
||||
or r8, r8, r11
|
||||
stwu r8, -4(r5)
|
||||
|
||||
slw r8, r9, r6
|
||||
bdz L(odd)
|
||||
|
||||
C r8 src[i+1] << shift
|
||||
C r9
|
||||
C r10 src[i]
|
||||
|
||||
lwzu r9, -4(r4)
|
||||
srw r11, r10, r7
|
||||
|
||||
or r8, r8, r11
|
||||
stwu r8, -4(r5)
|
||||
|
||||
slw r8, r10, r6
|
||||
bdnz L(top)
|
||||
|
||||
|
||||
L(two):
|
||||
C r3 return value
|
||||
C r4
|
||||
C r5 &dst[2]
|
||||
C r6 shift
|
||||
C r7 32-shift
|
||||
C r8 src[1] << shift
|
||||
C r9 src[0]
|
||||
C r10
|
||||
|
||||
srw r11, r9, r7
|
||||
slw r12, r9, r6 C src[0] << shift
|
||||
|
||||
or r8, r8, r11
|
||||
stw r12, -8(r5) C dst[0]
|
||||
|
||||
stw r8, -4(r5) C dst[1]
|
||||
blr
|
||||
|
||||
|
||||
L(odd):
|
||||
C r3 return value
|
||||
C r4
|
||||
C r5 &dst[2]
|
||||
C r6 shift
|
||||
C r7 32-shift
|
||||
C r8 src[1] << shift
|
||||
C r9
|
||||
C r10 src[0]
|
||||
|
||||
srw r11, r10, r7
|
||||
slw r12, r10, r6
|
||||
|
||||
or r8, r8, r11
|
||||
stw r12, -8(r5) C dst[0]
|
||||
|
||||
stw r8, -4(r5) C dst[1]
|
||||
blr
|
||||
|
||||
|
||||
L(one):
|
||||
C r5 &dst[1]
|
||||
C r6 shift
|
||||
C r7 32-shift
|
||||
C r8 src[0]
|
||||
|
||||
srw r3, r8, r7 C return value
|
||||
slw r8, r8, r6 C src[size-1] << shift
|
||||
|
||||
stw r8, -4(r5) C dst[0]
|
||||
blr
|
||||
|
||||
EPILOGUE(mpn_lshift)
|
||||
153
blender-5.2.0/extern/gmp-source/mpn/powerpc32/750/rshift.asm
vendored
Normal file
153
blender-5.2.0/extern/gmp-source/mpn/powerpc32/750/rshift.asm
vendored
Normal file
@@ -0,0 +1,153 @@
|
||||
dnl PowerPC 750 mpn_rshift -- mpn right shift.
|
||||
|
||||
dnl Copyright 2002, 2003 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 cycles/limb
|
||||
C 750: 3.0
|
||||
C 7400: 3.0
|
||||
|
||||
|
||||
C mp_limb_t mpn_rshift (mp_ptr dst, mp_srcptr src, mp_size_t size,
|
||||
C unsigned shift);
|
||||
C
|
||||
C This code is the same per-limb speed as mpn/powerpc32/rshift.asm, but
|
||||
C smaller and saving about 30 or so cycles of overhead.
|
||||
|
||||
ASM_START()
|
||||
PROLOGUE(mpn_rshift)
|
||||
|
||||
C r3 dst
|
||||
C r4 src
|
||||
C r5 size
|
||||
C r6 shift
|
||||
|
||||
mtctr r5 C size
|
||||
lwz r8, 0(r4) C src[0]
|
||||
|
||||
subfic r7, r6, 32 C 32-shift
|
||||
addi r5, r3, -4 C dst-4
|
||||
|
||||
slw r3, r8, r7 C return value
|
||||
bdz L(one)
|
||||
|
||||
lwzu r9, 4(r4) C src[1]
|
||||
srw r8, r8, r6 C src[0] >> shift
|
||||
bdz L(two)
|
||||
|
||||
|
||||
L(top):
|
||||
C r3 return value
|
||||
C r4 src, incrementing
|
||||
C r5 dst, incrementing
|
||||
C r6 shift
|
||||
C r7 32-shift
|
||||
C r8 src[i-1] >> shift
|
||||
C r9 src[i]
|
||||
C r10
|
||||
|
||||
lwzu r10, 4(r4)
|
||||
slw r11, r9, r7
|
||||
|
||||
or r8, r8, r11
|
||||
stwu r8, 4(r5)
|
||||
|
||||
srw r8, r9, r6
|
||||
bdz L(odd)
|
||||
|
||||
C r8 src[i-1] >> shift
|
||||
C r9
|
||||
C r10 src[i]
|
||||
|
||||
lwzu r9, 4(r4)
|
||||
slw r11, r10, r7
|
||||
|
||||
or r8, r8, r11
|
||||
stwu r8, 4(r5)
|
||||
|
||||
srw r8, r10, r6
|
||||
bdnz L(top)
|
||||
|
||||
|
||||
L(two):
|
||||
C r3 return value
|
||||
C r4
|
||||
C r5 &dst[size-2]
|
||||
C r6 shift
|
||||
C r7 32-shift
|
||||
C r8 src[size-2] >> shift
|
||||
C r9 src[size-1]
|
||||
C r10
|
||||
|
||||
slw r11, r9, r7
|
||||
srw r12, r9, r6 C src[size-1] >> shift
|
||||
|
||||
or r8, r8, r11
|
||||
stw r12, 8(r5) C dst[size-1]
|
||||
|
||||
stw r8, 4(r5) C dst[size-2]
|
||||
blr
|
||||
|
||||
|
||||
L(odd):
|
||||
C r3 return value
|
||||
C r4
|
||||
C r5 &dst[size-2]
|
||||
C r6 shift
|
||||
C r7 32-shift
|
||||
C r8 src[size-2] >> shift
|
||||
C r9
|
||||
C r10 src[size-1]
|
||||
|
||||
slw r11, r10, r7
|
||||
srw r12, r10, r6
|
||||
|
||||
or r8, r8, r11
|
||||
stw r12, 8(r5) C dst[size-1]
|
||||
|
||||
stw r8, 4(r5) C dst[size-2]
|
||||
blr
|
||||
|
||||
|
||||
L(one):
|
||||
C r3 return value
|
||||
C r4
|
||||
C r5 dst-4
|
||||
C r6 shift
|
||||
C r7
|
||||
C r8 src[0]
|
||||
|
||||
srw r8, r8, r6
|
||||
|
||||
stw r8, 4(r5) C dst[0]
|
||||
blr
|
||||
|
||||
EPILOGUE(mpn_rshift)
|
||||
Reference in New Issue
Block a user