2013-08-04 18:17:37 -04:00
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; PROLOGUE(mpn_redc_1)
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2012-11-25 17:13:44 -05:00
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; Copyright 2009 Jason Moxham
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;
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; Windows Conversion Copyright 2008 Brian Gladman
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;
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; This file is part of the MPIR Library.
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;
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; The MPIR Library is free software; you can redistribute it and/or modify
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; it under the terms of the GNU Lesser General Public License as published
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; by the Free Software Foundation; either version 2.1 of the License, or (at
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; your option) any later version.
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; The MPIR Library is distributed in the hope that it will be useful, but
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; WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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; or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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; License for more details.
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; You should have received a copy of the GNU Lesser General Public License
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; along with the MPIR Library; see the file COPYING.LIB. If not, write
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; to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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; Boston, MA 02110-1301, USA.
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;
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; void mpn_redc_1(mp_ptr, mp_ptr, mp_srcptr, mp_size_t, mp_limb_t)
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; rax rdi rsi rdx rcx r8
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; rax rcx rdx r8 r9 [rsp+40]
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%include "yasm_mac.inc"
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%define reg_save_list rbx, rsi, rdi, rbp, r12, r13, r14, r15
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CPU Athlon64
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BITS 64
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%macro mpn_add 0
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mov rax, rcx
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and rax, 3
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shr rcx, 2
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cmp rcx, 0
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jnz %%1
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mov r11, [rsi]
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add r11, [rdx]
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mov [rdi], r11
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dec rax
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jz %%2
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mov r11, [rsi+8]
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adc r11, [rdx+8]
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mov [rdi+8], r11
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dec rax
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jz %%2
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mov r11, [rsi+16]
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adc r11, [rdx+16]
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mov [rdi+16], r11
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jmp %%2
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xalign 16
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%%1:mov r11, [rsi]
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mov r8, [rsi+8]
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lea rsi, [rsi+32]
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adc r11, [rdx]
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adc r8, [rdx+8]
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lea rdx, [rdx+32]
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mov [rdi], r11
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mov [rdi+8], r8
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lea rdi, [rdi+32]
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mov r9, [rsi-16]
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mov r10, [rsi-8]
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adc r9, [rdx-16]
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adc r10, [rdx-8]
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mov [rdi-16], r9
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dec rcx
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mov [rdi-8], r10
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jnz %%1
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inc rax
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dec rax
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jz %%2
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mov r11, [rsi]
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adc r11, [rdx]
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mov [rdi], r11
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dec rax
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jz %%2
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mov r11, [rsi+8]
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adc r11, [rdx+8]
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mov [rdi+8], r11
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dec rax
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jz %%2
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mov r11, [rsi+16]
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adc r11, [rdx+16]
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mov [rdi+16], r11
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%%2:
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%endmacro
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%macro mpn_sub 0
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mov rax, rbp
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and rax, 3
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shr rbp, 2
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cmp rbp, 0
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jnz %%1
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mov r11, [rsi]
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sub r11, [rdx]
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mov [rbx], r11
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dec rax
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jz %%2
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mov r11, [rsi+8]
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sbb r11, [rdx+8]
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mov [rbx+8], r11
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dec rax
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jz %%2
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mov r11, [rsi+16]
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sbb r11, [rdx+16]
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mov [rbx+16], r11
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jmp %%2
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xalign 16
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%%1:mov r11, [rsi]
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mov r8, [rsi+8]
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lea rsi, [rsi+32]
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sbb r11, [rdx]
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sbb r8, [rdx+8]
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lea rdx, [rdx+32]
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mov [rbx], r11
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mov [rbx+8], r8
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lea rbx, [rbx+32]
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mov r9, [rsi-16]
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mov r10, [rsi-8]
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sbb r9, [rdx-16]
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sbb r10, [rdx-8]
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mov [rbx-16], r9
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dec rbp
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mov [rbx-8], r10
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jnz %%1
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inc rax
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dec rax
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jz %%2
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mov r11, [rsi]
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sbb r11, [rdx]
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mov [rbx], r11
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dec rax
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jz %%2
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mov r11, [rsi+8]
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sbb r11, [rdx+8]
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mov [rbx+8], r11
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dec rax
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jz %%2
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mov r11, [rsi+16]
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sbb r11, [rdx+16]
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mov [rbx+16], r11
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%%2:
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%endmacro
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%macro addmulloop 1
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xalign 16
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%%1:mov r10, 0
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mul r13
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add [r8+r11*8], r12
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adc r9, rax
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db 0x26
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adc r10, rdx
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mov rax, [rsi+r11*8+16]
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mul r13
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add [r8+r11*8+8], r9
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adc r10, rax
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mov ebx, 0
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adc rbx, rdx
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mov rax, [rsi+r11*8+24]
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mov r12, 0
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mov r9, 0
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mul r13
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add [r8+r11*8+16], r10
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db 0x26
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adc rbx, rax
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db 0x26
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adc r12, rdx
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mov rax, [rsi+r11*8+32]
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mul r13
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add [r8+r11*8+24], rbx
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db 0x26
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adc r12, rax
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db 0x26
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adc r9, rdx
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add r11, 4
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mov rax, [rsi+r11*8+8]
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jnc %%1
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%endmacro
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%macro addmulpropro0 0
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imul r13, rcx
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lea r8, [r8-8]
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%endmacro
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%macro addmulpro0 0
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mov r11, r14
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lea r8, [r8+8]
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mov rax, [rsi+r14*8]
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mul r13
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mov r12, rax
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mov rax, [rsi+r14*8+8]
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mov r9, rdx
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cmp r14, 0
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%endmacro
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%macro addmulnext0 0
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mov r10d, 0
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mul r13
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add [r8+r11*8], r12
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adc r9, rax
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adc r10, rdx
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mov rax, [rsi+r11*8+16]
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mul r13
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add [r8+r11*8+8], r9
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adc r10, rax
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mov ebx, 0
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adc rbx, rdx
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mov rax, [rsi+r11*8+24]
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mov r12d, 0
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mov r9d, 0
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mul r13
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add [r8+r11*8+16], r10
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adc rbx, rax
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adc r12, rdx
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mov rax, [rsi+r11*8+32]
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mul r13
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add [r8+r11*8+24], rbx
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mov r13, [r8+r14*8+8]
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adc r12, rax
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adc r9, rdx
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imul r13, rcx
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add [r8+r11*8+32], r12
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adc r9, 0
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dec r15
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mov [r8+r14*8], r9
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%endmacro
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%macro addmulpropro1 0
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%endmacro
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%macro addmulpro1 0
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imul r13, rcx
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mov rax, [rsi+r14*8]
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mov r11, r14
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mul r13
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mov r12, rax
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mov rax, [rsi+r14*8+8]
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mov r9, rdx
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cmp r14, 0
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%endmacro
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%macro addmulnext1 0
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mov r10d, 0
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mul r13
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add [r8+r11*8], r12
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adc r9, rax
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adc r10, rdx
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mov rax, [rsi+r11*8+16]
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mul r13
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add [r8+r11*8+8], r9
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adc r10, rax
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mov ebx, 0
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adc rbx, rdx
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mov rax, [rsi+r11*8+24]
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mov r12d, 0
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mul r13
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add [r8+r11*8+16], r10
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adc rbx, rax
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adc r12, rdx
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add [r8+r11*8+24], rbx
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mov r13, [r8+r14*8+8]
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adc r12, 0
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dec r15
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mov [r8+r14*8], r12
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lea r8, [r8+8]
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%endmacro
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%macro addmulpropro2 0
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%endmacro
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%macro addmulpro2 0
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imul r13, rcx
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mov rax, [rsi+r14*8]
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mov r11, r14
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mul r13
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mov r12, rax
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mov rax, [rsi+r14*8+8]
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mov r9, rdx
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cmp r14, 0
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%endmacro
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%macro addmulnext2 0
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mul r13
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add [r8+r11*8], r12
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adc r9, rax
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mov r10d, 0
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adc r10, rdx
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mov rax, [rsi+r11*8+16]
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mul r13
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add [r8+r11*8+8], r9
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adc r10, rax
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mov ebx, 0
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adc rbx, rdx
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mov r13, [r8+r14*8+8]
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add [r8+r11*8+16], r10
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adc rbx, 0
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mov [r8+r14*8], rbx
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dec r15
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lea r8, [r8+8]
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%endmacro
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%macro addmulpropro3 0
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%endmacro
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%macro addmulpro3 0
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imul r13, rcx
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mov rax, [rsi+r14*8]
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mov r11, r14
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mul r13
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mov r12, rax
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mov rax, [rsi+r14*8+8]
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mov r9, rdx
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cmp r14, 0
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%endmacro
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%macro addmulnext3 0
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mul r13
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add [r8+r11*8], r12
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adc r9, rax
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mov r10d, 0
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adc r10, rdx
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add [r8+r11*8+8], r9
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adc r10, 0
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mov r13, [r8+r14*8+8]
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mov [r8+r14*8], r10
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lea r8, [r8+8]
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dec r15
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%endmacro
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%macro mpn_addmul_1_int 1
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|
|
addmulpropro%1
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|
|
xalign 16
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|
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|
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%%1:addmulpro%1
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|
|
jge %%2
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|
|
addmulloop %1
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|
|
%%2:addmulnext%1
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|
|
jnz %%1
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|
%endmacro
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|
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LEAF_PROC mpn_redc_1
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|
|
|
cmp r9, 1
|
|
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|
|
je one
|
|
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|
|
FRAME_PROC ?mpn_k8_redc_1, 0, reg_save_list
|
|
|
|
|
mov rdi, rcx
|
|
|
|
|
mov rsi, r8
|
|
|
|
|
mov r8, rdx
|
|
|
|
|
mov rdx, r9
|
|
|
|
|
mov rcx, [rsp+stack_use+0x28]
|
|
|
|
|
mov [rsp+stack_use+0x28], r8
|
|
|
|
|
|
|
|
|
|
mov r14, 5
|
|
|
|
|
sub r14, rdx
|
|
|
|
|
|
|
|
|
|
mov [rsp+stack_use+0x10], rsi
|
|
|
|
|
mov r8, [rsp+stack_use+0x28]
|
|
|
|
|
|
|
|
|
|
lea r8, [r8+rdx*8-40]
|
|
|
|
|
lea rsi, [rsi+rdx*8-40]
|
|
|
|
|
mov rbp, rdx
|
|
|
|
|
mov r15, rdx
|
|
|
|
|
mov rax, r14
|
|
|
|
|
and rax, 3
|
|
|
|
|
mov r13, [r8+r14*8]
|
|
|
|
|
je .2
|
|
|
|
|
jp .4
|
|
|
|
|
cmp rax, 1
|
|
|
|
|
je .3
|
|
|
|
|
.1: mpn_addmul_1_int 2
|
|
|
|
|
jmp .5
|
|
|
|
|
|
|
|
|
|
xalign 16
|
|
|
|
|
.2: mpn_addmul_1_int 0
|
|
|
|
|
jmp .5
|
|
|
|
|
|
|
|
|
|
xalign 16
|
|
|
|
|
.3: mpn_addmul_1_int 1
|
|
|
|
|
jmp .5
|
|
|
|
|
|
|
|
|
|
xalign 16
|
|
|
|
|
.4: mpn_addmul_1_int 3
|
|
|
|
|
|
|
|
|
|
xalign 16
|
|
|
|
|
.5: mov rcx, rbp
|
|
|
|
|
mov rdx, [rsp+stack_use+0x28]
|
|
|
|
|
lea rsi, [rdx+rbp*8]
|
|
|
|
|
mov rbx, rdi
|
|
|
|
|
mpn_add
|
|
|
|
|
mov rdx, [rsp+stack_use+0x10]
|
|
|
|
|
jnc .6
|
|
|
|
|
mov rsi, rbx
|
|
|
|
|
mpn_sub
|
|
|
|
|
.6: END_PROC reg_save_list
|
|
|
|
|
|
|
|
|
|
xalign 16
|
|
|
|
|
one:mov r9, rdx
|
|
|
|
|
mov r11, [r8]
|
|
|
|
|
mov r8, [rsp+0x28]
|
|
|
|
|
|
|
|
|
|
mov r10, [r9]
|
|
|
|
|
imul r8, r10
|
|
|
|
|
mov rax, r8
|
|
|
|
|
mul r11
|
|
|
|
|
add rax, r10
|
|
|
|
|
adc rdx, [r9+8]
|
|
|
|
|
cmovnc r11, rax
|
|
|
|
|
sub rdx, r11
|
|
|
|
|
mov [rcx], rdx
|
|
|
|
|
ret
|
|
|
|
|
|
|
|
|
|
end
|
