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authorPeter Breitenlohner <peb@mppmu.mpg.de>2014-06-18 11:12:01 +0000
committerPeter Breitenlohner <peb@mppmu.mpg.de>2014-06-18 11:12:01 +0000
commit0c2f0333a4e539325da80cdf3fb182cd17134665 (patch)
treede5daa66b5595292a33c25110aa58ff8bff75543 /Build/source/libs/gmp/gmp-6.0.0/mpn/x86_64/mul_1.asm
parentdb612d5045ef55da386a2c3350d4811d1da1a858 (diff)
Add libs/gmp and libs/mpfr in preparation for MetaPost 2.0
git-svn-id: svn://tug.org/texlive/trunk@34274 c570f23f-e606-0410-a88d-b1316a301751
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diff --git a/Build/source/libs/gmp/gmp-6.0.0/mpn/x86_64/mul_1.asm b/Build/source/libs/gmp/gmp-6.0.0/mpn/x86_64/mul_1.asm
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+dnl AMD64 mpn_mul_1.
+
+dnl Copyright 2003-2005, 2007, 2008, 2012 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 2.5
+C AMD K10 2.5
+C AMD bd1 5.0
+C AMD bobcat 5.5
+C Intel P4 12.3
+C Intel core2 4.0
+C Intel NHM 3.75
+C Intel SBR 2.95
+C Intel atom 19.8
+C VIA nano 4.25
+
+C The loop of this code is the result of running a code generation and
+C optimization tool suite written by David Harvey and Torbjorn Granlund.
+
+C TODO
+C * The loop is great, but the prologue and epilogue code was quickly written.
+C Tune it!
+
+define(`rp', `%rdi') C rcx
+define(`up', `%rsi') C rdx
+define(`n_param', `%rdx') C r8
+define(`vl', `%rcx') C r9
+
+define(`n', `%r11')
+
+ABI_SUPPORT(DOS64)
+ABI_SUPPORT(STD64)
+
+IFDOS(` define(`up', ``%rsi'') ') dnl
+IFDOS(` define(`rp', ``%rcx'') ') dnl
+IFDOS(` define(`vl', ``%r9'') ') dnl
+IFDOS(` define(`r9', ``rdi'') ') dnl
+IFDOS(` define(`n', ``%r8'') ') dnl
+IFDOS(` define(`r8', ``r11'') ') dnl
+
+ASM_START()
+ TEXT
+ ALIGN(16)
+PROLOGUE(mpn_mul_1c)
+IFDOS(``push %rsi '')
+IFDOS(``push %rdi '')
+IFDOS(``mov %rdx, %rsi '')
+ push %rbx
+IFSTD(` mov %r8, %r10')
+IFDOS(` mov 64(%rsp), %r10') C 40 + 3*8 (3 push insns)
+ jmp L(common)
+EPILOGUE()
+
+PROLOGUE(mpn_mul_1)
+IFDOS(``push %rsi '')
+IFDOS(``push %rdi '')
+IFDOS(``mov %rdx, %rsi '')
+
+ push %rbx
+ xor %r10, %r10
+L(common):
+ mov (up), %rax C read first u limb early
+IFSTD(` mov n_param, %rbx ') C move away n from rdx, mul uses it
+IFDOS(` mov n, %rbx ')
+ mul vl
+IFSTD(` mov %rbx, n ')
+
+ add %r10, %rax
+ adc $0, %rdx
+
+ and $3, R32(%rbx)
+ jz L(b0)
+ cmp $2, R32(%rbx)
+ jz L(b2)
+ jg L(b3)
+
+L(b1): dec n
+ jne L(gt1)
+ mov %rax, (rp)
+ jmp L(ret)
+L(gt1): lea 8(up,n,8), up
+ lea -8(rp,n,8), rp
+ neg n
+ xor %r10, %r10
+ xor R32(%rbx), R32(%rbx)
+ mov %rax, %r9
+ mov (up,n,8), %rax
+ mov %rdx, %r8
+ jmp L(L1)
+
+L(b0): lea (up,n,8), up
+ lea -16(rp,n,8), rp
+ neg n
+ xor %r10, %r10
+ mov %rax, %r8
+ mov %rdx, %rbx
+ jmp L(L0)
+
+L(b3): lea -8(up,n,8), up
+ lea -24(rp,n,8), rp
+ neg n
+ mov %rax, %rbx
+ mov %rdx, %r10
+ jmp L(L3)
+
+L(b2): lea -16(up,n,8), up
+ lea -32(rp,n,8), rp
+ neg n
+ xor %r8, %r8
+ xor R32(%rbx), R32(%rbx)
+ mov %rax, %r10
+ mov 24(up,n,8), %rax
+ mov %rdx, %r9
+ jmp L(L2)
+
+ ALIGN(16)
+L(top): mov %r10, (rp,n,8)
+ add %rax, %r9
+ mov (up,n,8), %rax
+ adc %rdx, %r8
+ mov $0, R32(%r10)
+L(L1): mul vl
+ mov %r9, 8(rp,n,8)
+ add %rax, %r8
+ adc %rdx, %rbx
+L(L0): mov 8(up,n,8), %rax
+ mul vl
+ mov %r8, 16(rp,n,8)
+ add %rax, %rbx
+ adc %rdx, %r10
+L(L3): mov 16(up,n,8), %rax
+ mul vl
+ mov %rbx, 24(rp,n,8)
+ mov $0, R32(%r8) C zero
+ mov %r8, %rbx C zero
+ add %rax, %r10
+ mov 24(up,n,8), %rax
+ mov %r8, %r9 C zero
+ adc %rdx, %r9
+L(L2): mul vl
+ add $4, n
+ js L(top)
+
+ mov %r10, (rp,n,8)
+ add %rax, %r9
+ adc %r8, %rdx
+ mov %r9, 8(rp,n,8)
+ add %r8, %rdx
+L(ret): mov %rdx, %rax
+
+ pop %rbx
+IFDOS(``pop %rdi '')
+IFDOS(``pop %rsi '')
+ ret
+EPILOGUE()