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4c74403188
Change-Id: Iae65e95cfa0d92091b8b0a424ae36d88efa76aa9 Reviewed-on: https://review.haiku-os.org/c/buildtools/+/3020 Reviewed-by: Adrien Destugues <pulkomandy@gmail.com>
117 lines
2.4 KiB
NASM
117 lines
2.4 KiB
NASM
dnl AMD64 mpn_sqr_diag_addlsh1
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dnl Contributed to the GNU project by Torbjörn Granlund.
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dnl Copyright 2011-2013 Free Software Foundation, Inc.
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dnl This file is part of the GNU MP Library.
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dnl
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dnl The GNU MP Library is free software; you can redistribute it and/or modify
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dnl it under the terms of either:
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dnl
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dnl * the GNU Lesser General Public License as published by the Free
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dnl Software Foundation; either version 3 of the License, or (at your
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dnl option) any later version.
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dnl
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dnl or
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dnl
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dnl * the GNU General Public License as published by the Free Software
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dnl Foundation; either version 2 of the License, or (at your option) any
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dnl later version.
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dnl
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dnl or both in parallel, as here.
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dnl
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dnl The GNU MP Library is distributed in the hope that it will be useful, but
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dnl WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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dnl or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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dnl for more details.
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dnl
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dnl You should have received copies of the GNU General Public License and the
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dnl GNU Lesser General Public License along with the GNU MP Library. If not,
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dnl see https://www.gnu.org/licenses/.
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include(`../config.m4')
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C cycles/limb
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C AMD K8,K9 2.5
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C AMD K10 2.5
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C AMD bull 3.6
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C AMD pile 3.6
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C AMD steam ?
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C AMD bobcat 4
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C AMD jaguar ?
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C Intel P4 11.5
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C Intel core 4
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C Intel NHM 3.6
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C Intel SBR 3.15
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C Intel IBR 3.0
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C Intel HWL 2.6
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C Intel BWL ?
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C Intel atom 14
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C VIA nano 3.5
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C When playing with pointers, set this to $2 to fall back to conservative
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C indexing in wind-down code.
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define(`I',`$1')
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define(`rp', `%rdi')
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define(`tp', `%rsi')
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define(`up_arg', `%rdx')
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define(`n', `%rcx')
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define(`up', `%r11')
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ABI_SUPPORT(DOS64)
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ABI_SUPPORT(STD64)
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ASM_START()
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TEXT
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ALIGN(32)
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PROLOGUE(mpn_sqr_diag_addlsh1)
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FUNC_ENTRY(4)
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push %rbx
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dec n
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shl n
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mov (up_arg), %rax
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lea (rp,n,8), rp
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lea (tp,n,8), tp
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lea (up_arg,n,4), up
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neg n
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mul %rax
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mov %rax, (rp,n,8)
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xor R32(%rbx), R32(%rbx)
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jmp L(mid)
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ALIGN(16)
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L(top): add %r10, %r8
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adc %rax, %r9
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mov %r8, -8(rp,n,8)
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mov %r9, (rp,n,8)
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L(mid): mov 8(up,n,4), %rax
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mov (tp,n,8), %r8
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mov 8(tp,n,8), %r9
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adc %r8, %r8
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adc %r9, %r9
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lea (%rdx,%rbx), %r10
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setc R8(%rbx)
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mul %rax
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add $2, n
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js L(top)
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L(end): add %r10, %r8
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adc %rax, %r9
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mov %r8, I(-8(rp),-8(rp,n,8))
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mov %r9, I((rp),(rp,n,8))
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adc %rbx, %rdx
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mov %rdx, I(8(rp),8(rp,n,8))
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pop %rbx
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FUNC_EXIT()
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ret
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EPILOGUE()
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