From a89a14ef5da44684a16b204e7a70460cc8c4922a Mon Sep 17 00:00:00 2001
From: Thomas Voss <mail@thomasvoss.com>
Date: Fri, 21 Jun 2024 23:36:36 +0200
Subject: Basic constant folding implementation
---
vendor/gmp-6.3.0/mpn/powerpc32/750/com.asm | 79 ++++++++++
vendor/gmp-6.3.0/mpn/powerpc32/750/gmp-mparam.h | 192 ++++++++++++++++++++++++
vendor/gmp-6.3.0/mpn/powerpc32/750/lshift.asm | 155 +++++++++++++++++++
vendor/gmp-6.3.0/mpn/powerpc32/750/rshift.asm | 153 +++++++++++++++++++
4 files changed, 579 insertions(+)
create mode 100644 vendor/gmp-6.3.0/mpn/powerpc32/750/com.asm
create mode 100644 vendor/gmp-6.3.0/mpn/powerpc32/750/gmp-mparam.h
create mode 100644 vendor/gmp-6.3.0/mpn/powerpc32/750/lshift.asm
create mode 100644 vendor/gmp-6.3.0/mpn/powerpc32/750/rshift.asm
(limited to 'vendor/gmp-6.3.0/mpn/powerpc32/750')
diff --git a/vendor/gmp-6.3.0/mpn/powerpc32/750/com.asm b/vendor/gmp-6.3.0/mpn/powerpc32/750/com.asm
new file mode 100644
index 0000000..1b8b574
--- /dev/null
+++ b/vendor/gmp-6.3.0/mpn/powerpc32/750/com.asm
@@ -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()
diff --git a/vendor/gmp-6.3.0/mpn/powerpc32/750/gmp-mparam.h b/vendor/gmp-6.3.0/mpn/powerpc32/750/gmp-mparam.h
new file mode 100644
index 0000000..3667e85
--- /dev/null
+++ b/vendor/gmp-6.3.0/mpn/powerpc32/750/gmp-mparam.h
@@ -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
diff --git a/vendor/gmp-6.3.0/mpn/powerpc32/750/lshift.asm b/vendor/gmp-6.3.0/mpn/powerpc32/750/lshift.asm
new file mode 100644
index 0000000..3a1c1a7
--- /dev/null
+++ b/vendor/gmp-6.3.0/mpn/powerpc32/750/lshift.asm
@@ -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)
diff --git a/vendor/gmp-6.3.0/mpn/powerpc32/750/rshift.asm b/vendor/gmp-6.3.0/mpn/powerpc32/750/rshift.asm
new file mode 100644
index 0000000..4825fee
--- /dev/null
+++ b/vendor/gmp-6.3.0/mpn/powerpc32/750/rshift.asm
@@ -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)
--
cgit v1.2.3