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/aors_err2_n.asm | 172 +++++++++++++++++++++++++++++++++++ 1 file changed, 172 insertions(+) create mode 100644 gmp-6.3.0/mpn/x86_64/aors_err2_n.asm (limited to 'gmp-6.3.0/mpn/x86_64/aors_err2_n.asm') diff --git a/gmp-6.3.0/mpn/x86_64/aors_err2_n.asm b/gmp-6.3.0/mpn/x86_64/aors_err2_n.asm new file mode 100644 index 0000000..ce5c2a4 --- /dev/null +++ b/gmp-6.3.0/mpn/x86_64/aors_err2_n.asm @@ -0,0 +1,172 @@ +dnl AMD64 mpn_add_err2_n, mpn_sub_err2_n + +dnl Contributed by David Harvey. + +dnl Copyright 2011 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 4.5 +C AMD K10 ? +C Intel P4 ? +C Intel core2 6.9 +C Intel corei ? +C Intel atom ? +C VIA nano ? + + +C INPUT PARAMETERS +define(`rp', `%rdi') +define(`up', `%rsi') +define(`vp', `%rdx') +define(`ep', `%rcx') +define(`yp1', `%r8') +define(`yp2', `%r9') +define(`n_param', `8(%rsp)') +define(`cy_param', `16(%rsp)') + +define(`cy1', `%r14') +define(`cy2', `%rax') + +define(`n', `%r10') + +define(`w', `%rbx') +define(`e1l', `%rbp') +define(`e1h', `%r11') +define(`e2l', `%r12') +define(`e2h', `%r13') + + +ifdef(`OPERATION_add_err2_n', ` + define(ADCSBB, adc) + define(func, mpn_add_err2_n)') +ifdef(`OPERATION_sub_err2_n', ` + define(ADCSBB, sbb) + define(func, mpn_sub_err2_n)') + +MULFUNC_PROLOGUE(mpn_add_err2_n mpn_sub_err2_n) + + +ASM_START() + TEXT + ALIGN(16) +PROLOGUE(func) + mov cy_param, cy2 + mov n_param, n + + push %rbx + push %rbp + push %r12 + push %r13 + push %r14 + + xor R32(e1l), R32(e1l) + xor R32(e1h), R32(e1h) + xor R32(e2l), R32(e2l) + xor R32(e2h), R32(e2h) + + sub yp1, yp2 + + lea (rp,n,8), rp + lea (up,n,8), up + lea (vp,n,8), vp + + test $1, n + jnz L(odd) + + lea -8(yp1,n,8), yp1 + neg n + jmp L(top) + + ALIGN(16) +L(odd): + lea -16(yp1,n,8), yp1 + neg n + shr $1, cy2 + mov (up,n,8), w + ADCSBB (vp,n,8), w + cmovc 8(yp1), e1l + cmovc 8(yp1,yp2), e2l + mov w, (rp,n,8) + sbb cy2, cy2 + inc n + jz L(end) + + ALIGN(16) +L(top): + mov (up,n,8), w + shr $1, cy2 C restore carry + ADCSBB (vp,n,8), w + mov w, (rp,n,8) + sbb cy1, cy1 C generate mask, preserve CF + + mov 8(up,n,8), w + ADCSBB 8(vp,n,8), w + mov w, 8(rp,n,8) + sbb cy2, cy2 C generate mask, preserve CF + + mov (yp1), w C (e1h:e1l) += cy1 * yp1 limb + and cy1, w + add w, e1l + adc $0, e1h + + and (yp1,yp2), cy1 C (e2h:e2l) += cy1 * yp2 limb + add cy1, e2l + adc $0, e2h + + mov -8(yp1), w C (e1h:e1l) += cy2 * next yp1 limb + and cy2, w + add w, e1l + adc $0, e1h + + mov -8(yp1,yp2), w C (e2h:e2l) += cy2 * next yp2 limb + and cy2, w + add w, e2l + adc $0, e2h + + add $2, n + lea -16(yp1), yp1 + jnz L(top) +L(end): + + mov e1l, (ep) + mov e1h, 8(ep) + mov e2l, 16(ep) + mov e2h, 24(ep) + + and $1, %eax C return carry + + pop %r14 + pop %r13 + pop %r12 + pop %rbp + pop %rbx + ret +EPILOGUE() -- cgit v1.2.3