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/coreihwl/mullo_basecase.asm | 422 +++++++++++++++++++++++ 1 file changed, 422 insertions(+) create mode 100644 gmp-6.3.0/mpn/x86_64/coreihwl/mullo_basecase.asm (limited to 'gmp-6.3.0/mpn/x86_64/coreihwl/mullo_basecase.asm') diff --git a/gmp-6.3.0/mpn/x86_64/coreihwl/mullo_basecase.asm b/gmp-6.3.0/mpn/x86_64/coreihwl/mullo_basecase.asm new file mode 100644 index 0000000..e65559b --- /dev/null +++ b/gmp-6.3.0/mpn/x86_64/coreihwl/mullo_basecase.asm @@ -0,0 +1,422 @@ +dnl AMD64 mpn_mullo_basecase optimised for Intel Haswell. + +dnl Contributed to the GNU project by Torbjörn Granlund. + +dnl Copyright 2008, 2009, 2011-2013 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 mul_2 addmul_2 +C AMD K8,K9 n/a n/a +C AMD K10 n/a n/a +C AMD bull n/a n/a +C AMD pile n/a n/a +C AMD steam ? ? +C AMD bobcat n/a n/a +C AMD jaguar ? ? +C Intel P4 n/a n/a +C Intel core n/a n/a +C Intel NHM n/a n/a +C Intel SBR n/a n/a +C Intel IBR n/a n/a +C Intel HWL 1.86 2.15 +C Intel BWL ? ? +C Intel atom n/a n/a +C VIA nano n/a n/a + +C The inner loops of this code are the result of running a code generation and +C optimisation tool suite written by David Harvey and Torbjörn Granlund. + +C TODO +C * Implement proper cor2, replacing current cor0. +C * Micro-optimise. + +define(`rp', `%rdi') +define(`up', `%rsi') +define(`vp_param', `%rdx') +define(`n', `%rcx') + +define(`vp', `%r8') +define(`X0', `%r14') +define(`X1', `%r15') + +define(`w0', `%r10') +define(`w1', `%r11') +define(`w2', `%r12') +define(`w3', `%r13') +define(`i', `%rbp') +define(`v0', `%r9') +define(`v1', `%rbx') + +C rax rbx rcx rdx rdi rsi rbp r8 r9 r10 r11 r12 r13 r14 r15 + +ABI_SUPPORT(DOS64) +ABI_SUPPORT(STD64) + +ASM_START() + TEXT + ALIGN(32) +PROLOGUE(mpn_mullo_basecase) + FUNC_ENTRY(4) + + mov vp_param, vp + mov (up), %rdx + + cmp $4, n + jb L(small) + + push %rbx + push %rbp + push %r12 + push %r13 + + mov (vp), v0 + mov 8(vp), v1 + + lea 2(n), i + shr $2, i + neg n + add $2, n + + push up C put entry `up' on stack + + test $1, R8(n) + jnz L(m2x1) + +L(m2x0):mulx( v0, w0, w3) + xor R32(w2), R32(w2) + test $2, R8(n) + jz L(m2b2) + +L(m2b0):lea -8(rp), rp + lea -8(up), up + jmp L(m2e0) + +L(m2b2):lea -24(rp), rp + lea 8(up), up + jmp L(m2e2) + +L(m2x1):mulx( v0, w2, w1) + xor R32(w0), R32(w0) + test $2, R8(n) + jnz L(m2b3) + +L(m2b1):jmp L(m2e1) + +L(m2b3):lea -16(rp), rp + lea -16(up), up + jmp L(m2e3) + + ALIGN(16) +L(m2tp):mulx( v1, %rax, w0) + add %rax, w2 + mov (up), %rdx + mulx( v0, %rax, w1) + adc $0, w0 + add %rax, w2 + adc $0, w1 + add w3, w2 +L(m2e1):mov w2, (rp) + adc $0, w1 + mulx( v1, %rax, w2) + add %rax, w0 + mov 8(up), %rdx + adc $0, w2 + mulx( v0, %rax, w3) + add %rax, w0 + adc $0, w3 + add w1, w0 +L(m2e0):mov w0, 8(rp) + adc $0, w3 + mulx( v1, %rax, w0) + add %rax, w2 + mov 16(up), %rdx + mulx( v0, %rax, w1) + adc $0, w0 + add %rax, w2 + adc $0, w1 + add w3, w2 +L(m2e3):mov w2, 16(rp) + adc $0, w1 + mulx( v1, %rax, w2) + add %rax, w0 + mov 24(up), %rdx + adc $0, w2 + mulx( v0, %rax, w3) + add %rax, w0 + adc $0, w3 + add w1, w0 + lea 32(up), up +L(m2e2):mov w0, 24(rp) + adc $0, w3 + dec i + lea 32(rp), rp + jnz L(m2tp) + +L(m2ed):mulx( v1, %rax, w0) + add %rax, w2 + mov (up), %rdx + mulx( v0, %rax, w1) + add w2, %rax + add w3, %rax + mov %rax, (rp) + + mov (%rsp), up C restore `up' to beginning + lea 16(vp), vp + lea 8(rp,n,8), rp C put back rp to old rp + 2 + add $2, n + jge L(cor1) + + push %r14 + push %r15 + +L(outer): + mov (vp), v0 + mov 8(vp), v1 + + lea (n), i + sar $2, i + + mov (up), %rdx + test $1, R8(n) + jnz L(bx1) + +L(bx0): mov (rp), X1 + mov 8(rp), X0 + mulx( v0, %rax, w3) + add %rax, X1 + adc $0, w3 + mulx( v1, %rax, w0) + add %rax, X0 + adc $0, w0 + mov 8(up), %rdx + mov X1, (rp) + mulx( v0, %rax, w1) + test $2, R8(n) + jz L(b2) + +L(b0): lea 8(rp), rp + lea 8(up), up + jmp L(lo0) + +L(b2): mov 16(rp), X1 + lea 24(rp), rp + lea 24(up), up + jmp L(lo2) + +L(bx1): mov (rp), X0 + mov 8(rp), X1 + mulx( v0, %rax, w1) + add %rax, X0 + mulx( v1, %rax, w2) + adc $0, w1 + mov X0, (rp) + add %rax, X1 + adc $0, w2 + mov 8(up), %rdx + test $2, R8(n) + jnz L(b3) + +L(b1): lea 16(up), up + lea 16(rp), rp + jmp L(lo1) + +L(b3): mov 16(rp), X0 + lea 32(up), up + mulx( v0, %rax, w3) + inc i + jz L(cj3) + jmp L(lo3) + + ALIGN(16) +L(top): mulx( v0, %rax, w3) + add w0, X1 + adc $0, w2 +L(lo3): add %rax, X1 + adc $0, w3 + mulx( v1, %rax, w0) + add %rax, X0 + adc $0, w0 + lea 32(rp), rp + add w1, X1 + mov -16(up), %rdx + mov X1, -24(rp) + adc $0, w3 + add w2, X0 + mov -8(rp), X1 + mulx( v0, %rax, w1) + adc $0, w0 +L(lo2): add %rax, X0 + mulx( v1, %rax, w2) + adc $0, w1 + add w3, X0 + mov X0, -16(rp) + adc $0, w1 + add %rax, X1 + adc $0, w2 + add w0, X1 + mov -8(up), %rdx + adc $0, w2 +L(lo1): mulx( v0, %rax, w3) + add %rax, X1 + adc $0, w3 + mov (rp), X0 + mulx( v1, %rax, w0) + add %rax, X0 + adc $0, w0 + add w1, X1 + mov X1, -8(rp) + adc $0, w3 + mov (up), %rdx + add w2, X0 + mulx( v0, %rax, w1) + adc $0, w0 +L(lo0): add %rax, X0 + adc $0, w1 + mulx( v1, %rax, w2) + add w3, X0 + mov 8(rp), X1 + mov X0, (rp) + mov 16(rp), X0 + adc $0, w1 + add %rax, X1 + adc $0, w2 + mov 8(up), %rdx + lea 32(up), up + inc i + jnz L(top) + +L(end): mulx( v0, %rax, w3) + add w0, X1 + adc $0, w2 +L(cj3): add %rax, X1 + adc $0, w3 + mulx( v1, %rax, w0) + add %rax, X0 + add w1, X1 + mov -16(up), %rdx + mov X1, 8(rp) + adc $0, w3 + add w2, X0 + mulx( v0, %rax, w1) + add X0, %rax + add w3, %rax + mov %rax, 16(rp) + + mov 16(%rsp), up C restore `up' to beginning + lea 16(vp), vp + lea 24(rp,n,8), rp C put back rp to old rp + 2 + add $2, n + jl L(outer) + + pop %r15 + pop %r14 + + jnz L(cor0) + +L(cor1):mov (vp), v0 + mov 8(vp), v1 + mov (up), %rdx + mulx( v0, %r12, %rbp) C u0 x v2 + add (rp), %r12 C FIXME: rp[0] still available in reg? + adc %rax, %rbp + mov 8(up), %r10 + imul v0, %r10 + imul v1, %rdx + mov %r12, (rp) + add %r10, %rdx + add %rbp, %rdx + mov %rdx, 8(rp) + pop %rax C deallocate `up' copy + pop %r13 + pop %r12 + pop %rbp + pop %rbx + FUNC_EXIT() + ret + +L(cor0):mov (vp), %r11 + imul (up), %r11 + add %rax, %r11 + mov %r11, (rp) + pop %rax C deallocate `up' copy + pop %r13 + pop %r12 + pop %rbp + pop %rbx + FUNC_EXIT() + ret + + ALIGN(16) +L(small): + cmp $2, n + jae L(gt1) +L(n1): imul (vp), %rdx + mov %rdx, (rp) + FUNC_EXIT() + ret +L(gt1): ja L(gt2) +L(n2): mov (vp), %r9 + mulx( %r9, %rax, %rdx) + mov %rax, (rp) + mov 8(up), %rax + imul %r9, %rax + add %rax, %rdx + mov 8(vp), %r9 + mov (up), %rcx + imul %r9, %rcx + add %rcx, %rdx + mov %rdx, 8(rp) + FUNC_EXIT() + ret +L(gt2): +L(n3): mov (vp), %r9 + mulx( %r9, %rax, %r10) C u0 x v0 + mov %rax, (rp) + mov 8(up), %rdx + mulx( %r9, %rax, %rdx) C u1 x v0 + imul 16(up), %r9 C u2 x v0 + add %rax, %r10 + adc %rdx, %r9 + mov 8(vp), %r11 + mov (up), %rdx + mulx( %r11, %rax, %rdx) C u0 x v1 + add %rax, %r10 + adc %rdx, %r9 + imul 8(up), %r11 C u1 x v1 + add %r11, %r9 + mov %r10, 8(rp) + mov 16(vp), %r10 + mov (up), %rax + imul %rax, %r10 C u0 x v2 + add %r10, %r9 + mov %r9, 16(rp) + FUNC_EXIT() + ret +EPILOGUE() -- cgit v1.2.3