diff options
Diffstat (limited to 'Build/source/libs/gmp/gmp-6.0.0/mpn/x86_64/coreihwl/mul_1.asm')
-rw-r--r-- | Build/source/libs/gmp/gmp-6.0.0/mpn/x86_64/coreihwl/mul_1.asm | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/Build/source/libs/gmp/gmp-6.0.0/mpn/x86_64/coreihwl/mul_1.asm b/Build/source/libs/gmp/gmp-6.0.0/mpn/x86_64/coreihwl/mul_1.asm new file mode 100644 index 00000000000..1e3c338f4ee --- /dev/null +++ b/Build/source/libs/gmp/gmp-6.0.0/mpn/x86_64/coreihwl/mul_1.asm @@ -0,0 +1,155 @@ +dnl AMD64 mpn_mul_1 using mulx optimised for Intel Haswell. + +dnl Contributed to the GNU project by Torbjörn Granlund. + +dnl Copyright 2012, 2013 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 best +C AMD K8,K9 n/a +C AMD K10 n/a +C AMD bd1 n/a +C AMD bd2 ? +C AMD bobcat n/a +C AMD jaguar ? +C Intel P4 n/a +C Intel PNR n/a +C Intel NHM n/a +C Intel SBR n/a +C Intel IBR n/a +C Intel HWL 1.57 this +C Intel BWL ? +C Intel atom n/a +C VIA nano n/a + +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. + +define(`rp', `%rdi') C rcx +define(`up', `%rsi') C rdx +define(`n_param', `%rdx') C r8 +define(`v0_param',`%rcx') C r9 + +define(`n', `%rbp') +define(`v0', `%rdx') + +ABI_SUPPORT(DOS64) +ABI_SUPPORT(STD64) + +ASM_START() + TEXT + ALIGN(32) +PROLOGUE(mpn_mul_1) + FUNC_ENTRY(4) + push %rbx + push %rbp + push %r12 + + mov n_param, n + shr $2, n + + test $1, R8(n_param) + jnz L(bx1) + +L(bx0): test $2, R8(n_param) + mov v0_param, v0 + jnz L(b10) + +L(b00): mulx( (up), %r9, %r8) + mulx( 8,(up), %r11, %r10) + mulx( 16,(up), %rcx, %r12) + lea -32(rp), rp + jmp L(lo0) + +L(b10): mulx( (up), %rcx, %r12) + mulx( 8,(up), %rbx, %rax) + lea -16(rp), rp + test n, n + jz L(cj2) + mulx( 16,(up), %r9, %r8) + lea 16(up), up + jmp L(lo2) + +L(bx1): test $2, R8(n_param) + mov v0_param, v0 + jnz L(b11) + +L(b01): mulx( (up), %rbx, %rax) + lea -24(rp), rp + test n, n + jz L(cj1) + mulx( 8,(up), %r9, %r8) + lea 8(up), up + jmp L(lo1) + +L(b11): mulx( (up), %r11, %r10) + mulx( 8,(up), %rcx, %r12) + mulx( 16,(up), %rbx, %rax) + lea -8(rp), rp + test n, n + jz L(cj3) + lea 24(up), up + jmp L(lo3) + + ALIGN(32) +L(top): lea 32(rp), rp + mov %r9, (rp) + adc %r8, %r11 +L(lo3): mulx( (up), %r9, %r8) + mov %r11, 8(rp) + adc %r10, %rcx +L(lo2): mov %rcx, 16(rp) + adc %r12, %rbx +L(lo1): mulx( 8,(up), %r11, %r10) + adc %rax, %r9 + mulx( 16,(up), %rcx, %r12) + mov %rbx, 24(rp) +L(lo0): mulx( 24,(up), %rbx, %rax) + lea 32(up), up + dec n + jnz L(top) + +L(end): lea 32(rp), rp + mov %r9, (rp) + adc %r8, %r11 +L(cj3): mov %r11, 8(rp) + adc %r10, %rcx +L(cj2): mov %rcx, 16(rp) + adc %r12, %rbx +L(cj1): mov %rbx, 24(rp) + adc $0, %rax + + pop %r12 + pop %rbp + pop %rbx + FUNC_EXIT() + ret +EPILOGUE() +ASM_END() |