diff options
Diffstat (limited to 'gmp-6.3.0/mpn/x86_64/aors_err3_n.asm')
| -rw-r--r-- | gmp-6.3.0/mpn/x86_64/aors_err3_n.asm | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/gmp-6.3.0/mpn/x86_64/aors_err3_n.asm b/gmp-6.3.0/mpn/x86_64/aors_err3_n.asm new file mode 100644 index 0000000..bb6d0c5 --- /dev/null +++ b/gmp-6.3.0/mpn/x86_64/aors_err3_n.asm @@ -0,0 +1,156 @@ +dnl AMD64 mpn_add_err3_n, mpn_sub_err3_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 7.0 +C AMD K10 ? +C Intel P4 ? +C Intel core2 ? +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(`yp3_param', `8(%rsp)') +define(`n_param', `16(%rsp)') +define(`cy_param', `24(%rsp)') + +define(`n', `%r10') +define(`yp3', `%rcx') +define(`t', `%rbx') + +define(`e1l', `%rbp') +define(`e1h', `%r11') +define(`e2l', `%r12') +define(`e2h', `%r13') +define(`e3l', `%r14') +define(`e3h', `%r15') + + + +ifdef(`OPERATION_add_err3_n', ` + define(ADCSBB, adc) + define(func, mpn_add_err3_n)') +ifdef(`OPERATION_sub_err3_n', ` + define(ADCSBB, sbb) + define(func, mpn_sub_err3_n)') + +MULFUNC_PROLOGUE(mpn_add_err3_n mpn_sub_err3_n) + + +ASM_START() + TEXT + ALIGN(16) +PROLOGUE(func) + mov cy_param, %rax + mov n_param, n + + push %rbx + push %rbp + push %r12 + push %r13 + push %r14 + push %r15 + + push ep + mov 64(%rsp), yp3 C load from yp3_param + + xor R32(e1l), R32(e1l) + xor R32(e1h), R32(e1h) + xor R32(e2l), R32(e2l) + xor R32(e2h), R32(e2h) + xor R32(e3l), R32(e3l) + xor R32(e3h), R32(e3h) + + sub yp1, yp2 + sub yp1, yp3 + + lea -8(yp1,n,8), yp1 + lea (rp,n,8), rp + lea (up,n,8), up + lea (vp,n,8), vp + neg n + + ALIGN(16) +L(top): + shr $1, %rax C restore carry + mov (up,n,8), %rax + ADCSBB (vp,n,8), %rax + mov %rax, (rp,n,8) + sbb %rax, %rax C save carry and generate mask + + mov (yp1), t + and %rax, t + add t, e1l + adc $0, e1h + + mov (yp1,yp2), t + and %rax, t + add t, e2l + adc $0, e2h + + mov (yp1,yp3), t + and %rax, t + add t, e3l + adc $0, e3h + + lea -8(yp1), yp1 + inc n + jnz L(top) + +L(end): + and $1, %eax + pop ep + + mov e1l, (ep) + mov e1h, 8(ep) + mov e2l, 16(ep) + mov e2h, 24(ep) + mov e3l, 32(ep) + mov e3h, 40(ep) + + pop %r15 + pop %r14 + pop %r13 + pop %r12 + pop %rbp + pop %rbx + ret +EPILOGUE() |