mpir/mpn/x86_64w/nehalem/sqr_basecase.asm
2010-11-07 14:39:17 +00:00

487 lines
11 KiB
NASM

; Version 1.0L5
;
; Copyright 2008 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_sqr_basecase(mp_ptr, mp_ptr, mp_size_t)
; rax rdi rsi rdx
; rax rcx rdx r8
%include "yasm_mac.inc"
%define reg_save_list rbx, rsi, rdi, r12, r13, r14
CPU Core2
BITS 64
%macro mulloop 0
xalign 16
%%1:mov r10, 0
mul r13
mov [rdi+r11*8], r12
add r9, rax
db 0x26
adc r10, rdx
mov rax, [rsi+r11*8+16]
mul r13
mov [rdi+r11*8+8], r9
add r10, rax
mov ebx, 0
adc rbx, rdx
mov rax, [rsi+r11*8+24]
mov r12, 0
mov r9, 0
mul r13
mov [rdi+r11*8+16], r10
db 0x26
add rbx, rax
db 0x26
adc r12, rdx
mov rax, [rsi+r11*8+32]
mul r13
mov [rdi+r11*8+24], rbx
db 0x26
add r12, rax
db 0x26
adc r9, rdx
add r11, 4
mov rax, [rsi+r11*8+8]
jnc %%1
%endmacro
%macro mulnext0 0
mov rax, [rsi+r11*8+16]
mul r13
mov [rdi+r11*8+8], r9
add r10, rax
mov ebx, 0
adc rbx, rdx
mov rax, [rsi+r11*8+24]
mov r12d, 0
mul r13
mov [rdi+r11*8+16], r10
add rbx, rax
adc r12, rdx
mov rax, [rsi+r11*8+32]
mul r13
mov [rdi+r11*8+24], rbx
add r12, rax
adc rdx, 0
mov [rdi+r11*8+32], r12
mov [rdi+r11*8+40], rdx
add r14, 1 ; ***
lea rdi, [rdi+8]
%endmacro
%macro mulnext1 0
mov rax, [rsi+r11*8+16]
mul r13
mov [rdi+r11*8+8], r9
add r10, rax
mov r12d, 0
adc r12, rdx
mov rax, [rsi+r11*8+24]
mul r13
mov [rdi+r11*8+16], r10
add r12, rax
adc rdx, 0
mov [rdi+r11*8+24], r12
mov [rdi+r11*8+32], rdx
add r14, 1 ; ***
lea rdi, [rdi+8]
%endmacro
%macro mulnext2 0
mov rax, [rsi+r11*8+16]
mul r13
mov [rdi+r11*8+8], r9
add r10, rax
mov ebx, 0
adc rbx, rdx
mov [rdi+r11*8+16], r10
mov [rdi+r11*8+24], rbx
add r14, 1 ; ***
lea rdi, [rdi+8]
%endmacro
%macro mulnext3 0
mov [rdi+r11*8+8], r9
mov [rdi+r11*8+16], r10
add r14, 1 ; ***
lea rdi, [rdi+8]
%endmacro
%macro addmulloop 0
xalign 16
%%1:mov r10, 0
mul r13
add [rdi+r11*8], r12
adc r9, rax
db 0x26
adc r10, rdx
mov rax, [rsi+r11*8+16]
mul r13
add [rdi+r11*8+8], r9
adc r10, rax
mov ebx, 0
adc rbx, rdx
mov rax, [rsi+r11*8+24]
mov r12, 0
mov r9, 0
mul r13
add [rdi+r11*8+16], r10
db 0x26
adc rbx, rax
db 0x26
adc r12, rdx
mov rax, [rsi+r11*8+32]
mul r13
add [rdi+r11*8+24], rbx
db 0x26
adc r12, rax
db 0x26
adc r9, rdx
add r11, 4
mov rax, [rsi+r11*8+8]
jnc %%1
%endmacro
%macro addmulnext0 0
mov r10d, 0
mul r13
add [rdi+r11*8], r12
adc r9, rax
adc r10, rdx
mov rax, [rsi+r11*8+16]
mul r13
add [rdi+r11*8+8], r9
adc r10, rax
mov ebx, 0
adc rbx, rdx
mov rax, [rsi+r11*8+24]
mov r12d, 0
mul r13
add [rdi+r11*8+16], r10
adc rbx, rax
adc r12, rdx
mov rax, [rsi+r11*8+32]
mul r13
add [rdi+r11*8+24], rbx
adc r12, rax
adc rdx, 0
add [rdi+r11*8+32], r12
adc rdx, 0
add r14, 1 ; ***
mov [rdi+r11*8+40], rdx
lea rdi, [rdi+8]
%endmacro
%macro addmulnext1 0
mov r10d, 0
mul r13
add [rdi+r11*8], r12
adc r9, rax
adc r10, rdx
mov rax, [rsi+r11*8+16]
mul r13
add [rdi+r11*8+8], r9
adc r10, rax
mov r12d, 0
adc r12, rdx
mov rax, [rsi+r11*8+24]
mul r13
add [rdi+r11*8+16], r10
adc r12, rax
adc rdx, 0
add [rdi+r11*8+24], r12
adc rdx, 0
mov [rdi+r11*8+32], rdx
add r14, 1 ; ***
lea rdi, [rdi+8]
%endmacro
%macro addmulnext2 0
mov r10d, 0
mul r13
add [rdi+r11*8], r12
adc r9, rax
adc r10, rdx
mov rax, [rsi+r11*8+16]
mul r13
mov ebx, 0
add [rdi+r11*8+8], r9
adc r10, rax
adc rbx, rdx
add [rdi+r11*8+16], r10
adc rbx, 0
mov [rdi+r11*8+24], rbx
add r14, 1 ; ***
lea rdi, [rdi+8]
%endmacro
%macro addmulnext3 0
mul r13
add [rdi+r11*8], r12
adc r9, rax
mov r10d, 0
adc r10, rdx
add [rdi+r11*8+8], r9
adc r10, 0
mov [rdi+r11*8+16], r10
add r14, 1 ; ***
lea rdi, [rdi+8]
cmp r14, 4
%endmacro
LEAF_PROC mpn_sqr_basecase
cmp r8d, 3
ja fourormore
jz three
jp two
mov rax, [rdx]
mul rax
mov [rcx], rax
mov [rcx+8], rdx
ret
xalign 16
fourormore:
FRAME_PROC ?mpn_nehalem_sqr_1, 0, reg_save_list
mov rdi, rcx
mov rsi, rdx
mov rdx, r8
mov [rsp+stack_use+8], rdi
mov [rsp+stack_use+16], rsi
mov [rsp+stack_use+24], rdx
mov r13, [rsi]
mov rax, [rsi+8]
mov r14d, 6
sub r14, rdx
lea rdi, [rdi+rdx*8-40]
lea rsi, [rsi+rdx*8-40]
mov r11, r14
mul r13
mov r12, rax
mov rax, [rsi+r14*8+8]
mov r9, rdx
cmp r14, 0
jge .1
mulloop
.1: mov r10d, 0
mul r13
mov [rdi+r11*8], r12
add r9, rax
adc r10, rdx
cmp r11, 2
je .4
ja .5
jp .3
.2: mulnext0
jmp .8
xalign 16
.3: mulnext1
jmp .10
xalign 16
.4: mulnext2
jmp .12
xalign 16
.5: mulnext3
xalign 16
.6: mov rax, [rsi+r14*8]
mov r13, [rsi+r14*8-8]
mov r11, r14
mul r13
mov r12, rax
mov rax, [rsi+r14*8+8]
mov r9, rdx
cmp r14, 0
jge .7
addmulloop
.7: addmulnext0
.8: mov rax, [rsi+r14*8]
mov r13, [rsi+r14*8-8]
mov r11, r14
mul r13
mov r12, rax
mov rax, [rsi+r14*8+8]
mov r9, rdx
cmp r14, 0
jge .9
addmulloop
.9: addmulnext1
.10:mov rax, [rsi+r14*8]
mov r13, [rsi+r14*8-8]
mov r11, r14
mul r13
mov r12, rax
mov rax, [rsi+r14*8+8]
mov r9, rdx
cmp r14, 0
jge .11
addmulloop
.11:addmulnext2
.12:mov rax, [rsi+r14*8]
mov r13, [rsi+r14*8-8]
mov r11, r14
mul r13
mov r12, rax
mov rax, [rsi+r14*8+8]
mov r9, rdx
cmp r14, 0
jge .13
addmulloop
.13:addmulnext3
jnz .6
mov rax, [rsi+r14*8]
mov r13, [rsi+r14*8-8]
mul r13
add [rdi+r14*8], rax
adc rdx, 0
mov [rdi+r14*8+8], rdx
mov rdi, [rsp+stack_use+8]
mov rsi, [rsp+stack_use+16]
mov rcx, [rsp+stack_use+24]
xor rbx, rbx
xor r11, r11
lea rsi, [rsi+rcx*8]
mov [rdi], r11
lea r10, [rdi+rcx*8]
mov [r10+rcx*8-8], r11
neg rcx
xalign 16
.14:mov rax, [rsi+rcx*8]
mul rax
mov r8, [rdi]
mov r9, [rdi+8]
add rbx, 1
adc r8, r8
adc r9, r9
sbb rbx, rbx
add r11, 1
adc r8, rax
adc r9, rdx
sbb r11, r11
mov [rdi], r8
mov [rdi+8], r9
add rcx, 1 ; ***
lea rdi, [rdi+16]
jnz .14
END_PROC reg_save_list
xalign 16
two:mov rax, [rdx]
mov r9, [rdx+8]
mov r8, rax
mul rax
mov [rcx], rax
mov rax, r9
mov [rcx+8], rdx
mul rax
mov [rcx+16], rax
mov rax, r8
mov r10, rdx
mul r9
add rax, rax
adc rdx, rdx
adc r10, 0
add [rcx+8], rax
adc [rcx+16], rdx
adc r10, 0
mov [rcx+24], r10
ret
xalign 16
three:
FRAME_PROC ?mpn_nehalem_sqr_2, 0, rsi, rdi
mov rdi, rcx
mov rsi, rdx
mov r8, [rsi]
mov rax, [rsi+8]
mul r8
mov r11d, 0
mov [rcx+8], rax
mov rax, [rsi+16]
mov r9, rdx
mul r8
mov r8, [rsi+8]
add r9, rax
mov rax, [rsi+16]
adc r11, rdx
mul r8
mov [rcx+16], r9
add r11, rax
mov r9d, 0
mov [rcx+24], r11
adc r9, rdx
mov [rcx+32], r9
mov rdi, -3
xor r10, r10
xor r11, r11
lea rsi, [rsi+24]
mov [rcx], r11
mov [rcx+40], r11
.1: mov rax, [rsi+rdi*8]
mul rax
mov r8, [rcx]
mov r9, [rcx+8]
add r10, 1
adc r8, r8
adc r9, r9
sbb r10, r10
add r11, 1
adc r8, rax
adc r9, rdx
sbb r11, r11
mov [rcx], r8
mov [rcx+8], r9
add rdi, 1 ; ***
lea rcx, [rcx+16]
jnz .1
END_PROC rsi, rdi
end