mpir/mpn/x86_64w/core2/sublsh1_n.asm
gladman 9bf78f0866 1. Update Windows k10 build to match Linux
2. Remove the now redundant 32 to 64 register mapping for mp_size_t inputs in Windows assembler
2010-07-02 11:52:24 +00:00

95 lines
2.5 KiB
NASM

; Copyright 2009 Jason Moxham
;
; Windows Conversion Copyright 2008 Brian Gladman
;
; This file is part of the MPIR Library.
;
; The MPIR Library is free software; you can redistribute it and/or modify
; it under the terms of the GNU Lesser General Public License as published
; by the Free Software Foundation; either version 2.1 of the License, or (at
; your option) any later version.
; The MPIR Library is distributed in the hope that it will be useful, but
; WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
; or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
; License for more details.
; You should have received a copy of the GNU Lesser General Public License
; along with the MPIR Library; see the file COPYING.LIB. If not, write
; to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
; Boston, MA 02110-1301, USA.
;
; mp_limb_t mpn_sublsh1_n(mp_ptr, mp_ptr, mp_ptr, mp_size_t)
; rax rdi rsi rdx rcx
; rax rcx rdx r8 r9
%include "..\yasm_mac.inc"
%define reg_save_list rbx, rsi, rdi, r12, r13, r14, r15
CPU Core2
BITS 64
FRAME_PROC mpn_sublsh1_n, 0, reg_save_list
mov rax, r9
lea rsi, [rdx+rax*8]
lea rdx, [r8+rax*8]
lea rdi, [rcx+rax*8]
mov rcx, rax
neg rcx
xor r9, r9
xor rax, rax
test rcx, 3
jz .2
.1:
mov r10, [rsi+rcx*8]
add r9, 1
sbb r10, [rdx+rcx*8]
sbb r9, r9
add rax, 1
sbb r10, [rdx+rcx*8]
sbb rax, rax
mov [rdi+rcx*8], r10
add rcx, 1 ; ***
test rcx, 3
jnz .1
.2:
cmp rcx, 0
jz .4
xalign 16
.3:
mov r10, [rsi+rcx*8]
mov rbx, [rsi+rcx*8+8]
mov r11, [rsi+rcx*8+16]
mov r8, [rsi+rcx*8+24]
mov r12, [rdx+rcx*8]
mov r13, [rdx+rcx*8+8]
mov r14, [rdx+rcx*8+16]
mov r15, [rdx+rcx*8+24]
add r9, 1
sbb r10, r12
sbb rbx, r13
sbb r11, r14
sbb r8, r15
sbb r9, r9
add rax, 1
sbb r10, r12
sbb rbx, r13
sbb r11, r14
sbb r8, r15
sbb rax, rax
mov [rdi+rcx*8], r10
mov [rdi+rcx*8+8], rbx
mov [rdi+rcx*8+16], r11
mov [rdi+rcx*8+24], r8
add rcx, 4
jnz .3
.4:
add rax, r9
neg rax
END_PROC reg_save_list
end