diff options
Diffstat (limited to 'gmp-6.3.0/mpn/x86_64/bt1/mul_1.asm')
| -rw-r--r-- | gmp-6.3.0/mpn/x86_64/bt1/mul_1.asm | 241 |
1 files changed, 241 insertions, 0 deletions
diff --git a/gmp-6.3.0/mpn/x86_64/bt1/mul_1.asm b/gmp-6.3.0/mpn/x86_64/bt1/mul_1.asm new file mode 100644 index 0000000..4394d6e --- /dev/null +++ b/gmp-6.3.0/mpn/x86_64/bt1/mul_1.asm @@ -0,0 +1,241 @@ +dnl AMD64 mpn_mul_1 optimised for AMD bt1/bt2. + +dnl Copyright 2003-2005, 2007, 2008, 2011, 2012, 2019 Free Software +dnl 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 4.53 old measurement +C AMD K10 4.53 old measurement +C AMD bd1 4.56 old measurement +C AMD bd2 4.47 old measurement +C AMD bd3 ? +C AMD bd4 ? +C AMD zen ? +C AMD bt1 5.12 +C AMD bt2 5.17 +C Intel P4 12.6 old measurement +C Intel PNR 4.53 old measurement +C Intel NHM 4.36 old measurement +C Intel SBR 3.0 old measurement +C Intel IBR 2.55 old measurement +C Intel HWL 2.28 old measurement +C Intel BWL 2.36 old measurement +C Intel SKL 2.39 old measurement +C Intel atom 21.0 old measurement +C Intel SLM 9 old measurement +C Intel GLM ? +C VIA nano ? + +C The loop of this code is the result of running a code generation and +C optimisation tool suite written by David Harvey and Torbjorn Granlund. + +ABI_SUPPORT(DOS64) +ABI_SUPPORT(STD64) + +C Standard parameters +define(`rp', `%rdi') +define(`up', `%rsi') +define(`n_param', `%rdx') +define(`v0', `%rcx') +define(`cy', `%r8') +C Standard allocations +define(`n', `%rbx') +define(`w0', `%r8') +define(`w1', `%r9') +define(`w2', `%r10') +define(`w3', `%r11') + +C DOS64 parameters +IFDOS(` define(`rp', `%rcx') ') dnl +IFDOS(` define(`up', `%rsi') ') dnl +IFDOS(` define(`n_param', `%r8') ') dnl +IFDOS(` define(`v0', `%r9') ') dnl +IFDOS(` define(`cy', `56(%rsp)')') dnl +C DOS64 allocations +IFDOS(` define(`n', `%rbx') ') dnl +IFDOS(` define(`w0', `%r8') ') dnl +IFDOS(` define(`w1', `%rdi') ') dnl +IFDOS(` define(`w2', `%r10') ') dnl +IFDOS(` define(`w3', `%r11') ') dnl + + ALIGN(64) +PROLOGUE(mpn_mul_1) +IFDOS(` push %rsi ') +IFDOS(` push %rdi ') +IFDOS(` mov %rdx, %rsi ') + + push %rbx + mov (up), %rax + + lea (rp,n_param,8), rp + lea (up,n_param,8), up + mov n_param, n + + test $1, R8(n_param) + jne L(bx1) + +L(bx0): mul v0 + neg n + mov %rax, w0 + mov %rdx, w1 + test $2, R8(n) + jne L(L2) + +L(b00): add $2, n + jmp L(L0) + + ALIGN(16) +L(b11): mov %rax, w2 + mov %rdx, w3 + neg n + inc n + jmp L(L3) + + ALIGN(16) +L(bx1): mul v0 + test $2, R8(n) + jne L(b11) + +L(b01): sub $3, n + jc L(n1) + mov %rax, w2 + mov %rdx, w3 + neg n + + ALIGN(16) +L(top): mov -16(up,n,8), %rax + mul v0 + mov %rax, w0 + mov %rdx, w1 + mov w2, -24(rp,n,8) + add w3, w0 + adc $0, w1 +L(L0): mov -8(up,n,8), %rax + mul v0 + mov %rax, w2 + mov %rdx, w3 + mov w0, -16(rp,n,8) + add w1, w2 + adc $0, w3 +L(L3): mov (up,n,8), %rax + mul v0 + mov %rax, w0 + mov %rdx, w1 + mov w2, -8(rp,n,8) + add w3, w0 + adc $0, w1 +L(L2): mov 8(up,n,8), %rax + mul v0 + mov %rax, w2 + mov %rdx, w3 + mov w0, (rp,n,8) + add w1, w2 + adc $0, w3 + add $4, n + js L(top) + +L(end): mov w2, -8(rp) + mov w3, %rax + pop %rbx +IFDOS(` pop %rdi ') +IFDOS(` pop %rsi ') + ret + + ALIGN(32) +L(n1): mov %rax, -8(rp) + mov %rdx, %rax + pop %rbx +IFDOS(` pop %rdi ') +IFDOS(` pop %rsi ') + ret +EPILOGUE() + +ASM_START() + TEXT + ALIGN(64) +PROLOGUE(mpn_mul_1c) +IFDOS(` push %rsi ') +IFDOS(` push %rdi ') +IFDOS(` mov %rdx, %rsi ') + mov cy, w2 + push %rbx + mov (up), %rax + + lea (rp,n_param,8), rp + lea (up,n_param,8), up + mov n_param, n + + test $1, R8(n_param) + jne L(cx1) + +L(cx0): mul v0 + neg n + mov %rax, w0 + mov %rdx, w1 + add w2, w0 + adc $0, w1 + test $2, R8(n) + jne L(L2) + +L(c00): add $2, n + jmp L(L0) + + ALIGN(16) +L(cx1): mul v0 + test $2, R8(n) + je L(c01) + +L(c11): neg n + inc n + add %rax, w2 + mov %rdx, w3 + adc $0, w3 + jmp L(L3) + +L(c01): cmp $1, n + jz L(m1) + neg n + add $3, n + add %rax, w2 + mov %rdx, w3 + adc $0, w3 + jmp L(top) + + ALIGN(32) +L(m1): add %rax, w2 + mov %rdx, %rax + mov w2, -8(rp) + adc $0, %rax + pop %rbx +IFDOS(` pop %rdi ') +IFDOS(` pop %rsi ') + ret +EPILOGUE() |