summaryrefslogtreecommitdiff
path: root/Build/source/libs/gmp/gmp-6.0.0/mpn/x86_64/coreisbr/rsh1aors_n.asm
diff options
context:
space:
mode:
Diffstat (limited to 'Build/source/libs/gmp/gmp-6.0.0/mpn/x86_64/coreisbr/rsh1aors_n.asm')
-rw-r--r--Build/source/libs/gmp/gmp-6.0.0/mpn/x86_64/coreisbr/rsh1aors_n.asm193
1 files changed, 193 insertions, 0 deletions
diff --git a/Build/source/libs/gmp/gmp-6.0.0/mpn/x86_64/coreisbr/rsh1aors_n.asm b/Build/source/libs/gmp/gmp-6.0.0/mpn/x86_64/coreisbr/rsh1aors_n.asm
new file mode 100644
index 00000000000..fd2eaea7bb9
--- /dev/null
+++ b/Build/source/libs/gmp/gmp-6.0.0/mpn/x86_64/coreisbr/rsh1aors_n.asm
@@ -0,0 +1,193 @@
+dnl X86-64 mpn_rsh1add_n, mpn_rsh1sub_n optimised for Intel Sandy Bridge.
+
+dnl Copyright 2003, 2005, 2009-2012 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 ?
+C AMD K10 4.25
+C Intel P4 21.5
+C Intel core2 3.2
+C Intel NHM 3.87
+C Intel SBR 2.05
+C Intel atom ?
+C VIA nano 44.9
+
+C INPUT PARAMETERS
+define(`rp', `%rdi')
+define(`up', `%rsi')
+define(`vp', `%rdx')
+define(`n', `%rcx')
+
+ifdef(`OPERATION_rsh1add_n', `
+ define(ADDSUB, add)
+ define(ADCSBB, adc)
+ define(func_n, mpn_rsh1add_n)
+ define(func_nc, mpn_rsh1add_nc)')
+ifdef(`OPERATION_rsh1sub_n', `
+ define(ADDSUB, sub)
+ define(ADCSBB, sbb)
+ define(func_n, mpn_rsh1sub_n)
+ define(func_nc, mpn_rsh1sub_nc)')
+
+MULFUNC_PROLOGUE(mpn_rsh1add_n mpn_rsh1add_nc mpn_rsh1sub_n mpn_rsh1sub_nc)
+
+ABI_SUPPORT(DOS64)
+ABI_SUPPORT(STD64)
+
+ASM_START()
+ TEXT
+
+ ALIGN(16)
+PROLOGUE(func_nc)
+ FUNC_ENTRY(4)
+IFDOS(` mov 56(%rsp), %r8 ')
+ push %rbx
+ push %rbp
+
+ neg %r8 C set C flag from parameter
+ mov (up), %rbp
+ ADCSBB (vp), %rbp
+
+ jmp L(ent)
+EPILOGUE()
+
+ ALIGN(16)
+PROLOGUE(func_n)
+ FUNC_ENTRY(4)
+ push %rbx
+ push %rbp
+
+ mov (up), %rbp
+ ADDSUB (vp), %rbp
+L(ent):
+ sbb R32(%rbx), R32(%rbx) C save cy
+ mov R32(%rbp), R32(%rax)
+ and $1, R32(%rax) C return value
+
+ mov R32(n), R32(%r11)
+ and $3, R32(%r11)
+
+ cmp $1, R32(%r11)
+ je L(do) C jump if n = 1 5 9 ...
+
+L(n1): cmp $2, R32(%r11)
+ jne L(n2) C jump unless n = 2 6 10 ...
+ add R32(%rbx), R32(%rbx) C restore cy
+ mov 8(up), %r10
+ ADCSBB 8(vp), %r10
+ lea 8(up), up
+ lea 8(vp), vp
+ lea 8(rp), rp
+ sbb R32(%rbx), R32(%rbx) C save cy
+
+ shrd $1, %r10, %rbp
+ mov %rbp, -8(rp)
+ jmp L(cj1)
+
+L(n2): cmp $3, R32(%r11)
+ jne L(n3) C jump unless n = 3 7 11 ...
+ add R32(%rbx), R32(%rbx) C restore cy
+ mov 8(up), %r9
+ mov 16(up), %r10
+ ADCSBB 8(vp), %r9
+ ADCSBB 16(vp), %r10
+ lea 16(up), up
+ lea 16(vp), vp
+ lea 16(rp), rp
+ sbb R32(%rbx), R32(%rbx) C save cy
+
+ shrd $1, %r9, %rbp
+ mov %rbp, -16(rp)
+ jmp L(cj2)
+
+L(n3): dec n C come here for n = 4 8 12 ...
+ add R32(%rbx), R32(%rbx) C restore cy
+ mov 8(up), %r8
+ mov 16(up), %r9
+ ADCSBB 8(vp), %r8
+ ADCSBB 16(vp), %r9
+ mov 24(up), %r10
+ ADCSBB 24(vp), %r10
+ lea 24(up), up
+ lea 24(vp), vp
+ lea 24(rp), rp
+ sbb R32(%rbx), R32(%rbx) C save cy
+
+ shrd $1, %r8, %rbp
+ mov %rbp, -24(rp)
+ shrd $1, %r9, %r8
+ mov %r8, -16(rp)
+L(cj2): shrd $1, %r10, %r9
+ mov %r9, -8(rp)
+L(cj1): mov %r10, %rbp
+
+L(do):
+ shr $2, n C 4
+ je L(end) C 2
+ ALIGN(16)
+L(top): add R32(%rbx), R32(%rbx) C restore cy
+
+ mov 8(up), %r8
+ mov 16(up), %r9
+ ADCSBB 8(vp), %r8
+ ADCSBB 16(vp), %r9
+ mov 24(up), %r10
+ mov 32(up), %r11
+ ADCSBB 24(vp), %r10
+ ADCSBB 32(vp), %r11
+
+ lea 32(up), up
+ lea 32(vp), vp
+
+ sbb R32(%rbx), R32(%rbx) C save cy
+
+ shrd $1, %r8, %rbp
+ mov %rbp, (rp)
+ shrd $1, %r9, %r8
+ mov %r8, 8(rp)
+ shrd $1, %r10, %r9
+ mov %r9, 16(rp)
+ shrd $1, %r11, %r10
+ mov %r10, 24(rp)
+
+ dec n
+ mov %r11, %rbp
+ lea 32(rp), rp
+ jne L(top)
+
+L(end): shrd $1, %rbx, %rbp
+ mov %rbp, (rp)
+ pop %rbp
+ pop %rbx
+ FUNC_EXIT()
+ ret
+EPILOGUE()