From 11da511c784eca003deb90c23570f0873954e0de Mon Sep 17 00:00:00 2001 From: Duncan Wilkie Date: Sat, 18 Nov 2023 06:11:09 -0600 Subject: Initial commit. --- gmp-6.3.0/mpn/x86_64/zen/mul_1.asm | 161 +++++++++++++++++++++++++++++++++++++ 1 file changed, 161 insertions(+) create mode 100644 gmp-6.3.0/mpn/x86_64/zen/mul_1.asm (limited to 'gmp-6.3.0/mpn/x86_64/zen/mul_1.asm') diff --git a/gmp-6.3.0/mpn/x86_64/zen/mul_1.asm b/gmp-6.3.0/mpn/x86_64/zen/mul_1.asm new file mode 100644 index 0000000..6a083ac --- /dev/null +++ b/gmp-6.3.0/mpn/x86_64/zen/mul_1.asm @@ -0,0 +1,161 @@ +dnl AMD64 mpn_mul_1 for CPUs with mulx. + +dnl Copyright 2012, 2013, 2017 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 AMD K8,K9 - +C AMD K10 - +C AMD bd1 - +C AMD bd2 - +C AMD bd3 - +C AMD bd4 4.4 +C AMD zen 2 +C AMD bobcat - +C AMD jaguar - +C Intel P4 - +C Intel PNR - +C Intel NHM - +C Intel SBR - +C Intel IBR - +C Intel HWL ? +C Intel BWL ? +C Intel SKL ? +C Intel atom - +C Intel SLM - +C VIA nano - + +define(`rp', `%rdi') C rcx +define(`up', `%rsi') C rdx +define(`n_param', `%rdx') C r8 +define(`v0_param',`%rcx') C r9 + +define(`n', `%rcx') +define(`v0', `%rdx') + +ABI_SUPPORT(DOS64) +ABI_SUPPORT(STD64) + +ASM_START() + TEXT + ALIGN(16) +PROLOGUE(mpn_mul_1c) + FUNC_ENTRY(4) +IFDOS(` mov 56(%rsp), %r8 ') + jmp L(ent) +EPILOGUE() + ALIGN(16) +PROLOGUE(mpn_mul_1) + FUNC_ENTRY(4) + xor R32(%r8), R32(%r8) C carry-in limb +L(ent): mov (up), %r9 + + push %rbx + push %r12 + push %r13 + + lea (up,n_param,8), up + lea -32(rp,n_param,8), rp + mov R32(n_param), R32(%rax) + xchg v0_param, v0 C FIXME: is this insn fast? + + neg n + + and $3, R8(%rax) + jz L(b0) + cmp $2, R8(%rax) + jz L(b2) + jg L(b3) + +L(b1): mov %r8, %r12 + mulx( %r9, %rbx, %rax) + sub $-1, n + jz L(wd1) + .byte 0xc4,0x62,0xb3,0xf6,0x04,0xce C mulx (up,n,8), %r9, %r8 + .byte 0xc4,0x62,0xa3,0xf6,0x54,0xce,0x08 C mulx 8(up,n,8), %r11, %r10 + add %r12, %rbx + jmp L(lo1) + +L(b3): mulx( %r9, %r11, %r10) + .byte 0xc4,0x62,0x93,0xf6,0x64,0xce,0x08 C mulx 8(up,n,8), %r13, %r12 + .byte 0xc4,0xe2,0xe3,0xf6,0x44,0xce,0x10 C mulx 16(up,n,8), %rbx, %rax + sub $-3, n + jz L(wd3) + add %r8, %r11 + jmp L(lo3) + +L(b2): mov %r8, %r10 C carry-in limb + mulx( %r9, %r13, %r12) + .byte 0xc4,0xe2,0xe3,0xf6,0x44,0xce,0x08 C mulx 8(up,n,8), %rbx, %rax + sub $-2, n + jz L(wd2) + .byte 0xc4,0x62,0xb3,0xf6,0x04,0xce C mulx (up,n,8), %r9, %r8 + add %r10, %r13 + jmp L(lo2) + +L(b0): mov %r8, %rax C carry-in limb + mulx( %r9, %r9, %r8) + .byte 0xc4,0x62,0xa3,0xf6,0x54,0xce,0x08 C mulx 8(up,n,8), %r11, %r10 + .byte 0xc4,0x62,0x93,0xf6,0x64,0xce,0x10 C mulx 16(up,n,8), %r13, %r12 + add %rax, %r9 + jmp L(lo0) + +L(top): jrcxz L(end) + adc %r8, %r11 + mov %r9, (rp,n,8) +L(lo3): .byte 0xc4,0x62,0xb3,0xf6,0x04,0xce C mulx (up,n,8), %r9, %r8 + adc %r10, %r13 + mov %r11, 8(rp,n,8) +L(lo2): .byte 0xc4,0x62,0xa3,0xf6,0x54,0xce,0x08 C mulx 8(up,n,8), %r11, %r10 + adc %r12, %rbx + mov %r13, 16(rp,n,8) +L(lo1): .byte 0xc4,0x62,0x93,0xf6,0x64,0xce,0x10 C mulx 16(up,n,8), %r13, %r12 + adc %rax, %r9 + mov %rbx, 24(rp,n,8) +L(lo0): .byte 0xc4,0xe2,0xe3,0xf6,0x44,0xce,0x18 C mulx 24(up,n,8), %rbx, %rax + lea 4(n), n + jmp L(top) + +L(end): mov %r9, (rp) +L(wd3): adc %r8, %r11 + mov %r11, 8(rp) +L(wd2): adc %r10, %r13 + mov %r13, 16(rp) +L(wd1): adc %r12, %rbx + adc $0, %rax + mov %rbx, 24(rp) + + pop %r13 + pop %r12 + pop %rbx + FUNC_EXIT() + ret +EPILOGUE() +ASM_END() -- cgit v1.2.3