This file should be deleted.
This commit is contained in:
wbhart
parent
f0d348d3e1
commit
c0ac719bab
@ -1,199 +0,0 @@
|
||||
; Copyright 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
|
||||
;
|
||||
; This file is part of the GNU MP Library.
|
||||
;
|
||||
; The GNU MP 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 GNU MP 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 GNU MP Library; see the file COPYING.LIB. If
|
||||
; not, write to the Free Software Foundation, Inc., 59 Temple Place -
|
||||
; Suite 330, Boston, MA 02111-1307, USA.
|
||||
;
|
||||
; Adapted by Brian Gladman AMD64 using the Microsoft VC++ v8 64-bit
|
||||
; compiler and the YASM assembler.
|
||||
|
||||
; AMD64 mpn_add_n/mpn_sub_n -- mpn add or subtract.
|
||||
;
|
||||
; Calling interface (WIN64):
|
||||
;
|
||||
; mp_limb_t __gmpn_<op>_n( <op> = add OR sub
|
||||
; mp_ptr dst, rcx
|
||||
; mp_srcptr src1, rdx
|
||||
; mp_srcptr src2, r8
|
||||
; mp_size_t len r9
|
||||
; )
|
||||
;
|
||||
; mp_limb_t __gmpn_<op>_nc( <op> = add OR sub
|
||||
; mp_ptr dst, rcx
|
||||
; mp_srcptr src1, rdx
|
||||
; mp_srcptr src2, r8
|
||||
; mp_size_t len, r9
|
||||
; mp_limb_t carry [rsp+0x28]
|
||||
; )
|
||||
;
|
||||
; Calling interface (gcc):
|
||||
;
|
||||
; mp_limb_t __gmpn_<op>_n( <op> = add OR sub
|
||||
; mp_ptr dst, rdi
|
||||
; mp_srcptr src1, rsi
|
||||
; mp_srcptr src2, rdx
|
||||
; mp_size_t len rcx
|
||||
; )
|
||||
;
|
||||
; mp_limb_t __gmpn_<op>_nc( <op> = add OR sub
|
||||
; mp_ptr dst, rdi
|
||||
; mp_srcptr src1, rsi
|
||||
; mp_srcptr src2, rdx
|
||||
; mp_size_t len, rcx
|
||||
; mp_limb_t carry [rsp+0x8]
|
||||
; )
|
||||
;
|
||||
; Calculate src1[size] plus(minus) src2[size] and store the result in
|
||||
; dst[size]. The return value is the carry bit from the top of the result
|
||||
; (1 or 0). The _nc version accepts 1 or 0 for an initial carry into the
|
||||
; low limb of the calculation. Note values other than 1 or 0 here will
|
||||
; lead to garbage results.
|
||||
;
|
||||
; This is an SEH Leaf Function (no unwind support needed)
|
||||
|
||||
%ifdef _WIN64_ABI
|
||||
%define dst rcx ; destination pointer
|
||||
%define sr1 rdx ; source 1 pointer
|
||||
%define sr2 r8 ; source 2 pointer
|
||||
%define len r9 ; number of limbs
|
||||
%define lend r9d ; number of limbs
|
||||
%define cy [rsp+0x28] ; carry value
|
||||
|
||||
%define r_jmp r10 ; temporary for jump table entry
|
||||
%define r_cnt r11 ; temporary for loop count
|
||||
|
||||
%else
|
||||
%define dst rdi ; destination pointer
|
||||
%define sr1 rsi ; source 1 pointer
|
||||
%define sr2 rdx ; source 2 pointer
|
||||
%define len rcx ; number of limbs
|
||||
%define lend ecx ; number of limbs
|
||||
%define cy [rsp] ; carry value
|
||||
|
||||
%define r_jmp r10 ; temporary for jump table entry
|
||||
%define r_cnt r11 ; temporary for loop count
|
||||
%endif
|
||||
|
||||
%define UNROLL_LOG2 4
|
||||
%define UNROLL_COUNT (1 << UNROLL_LOG2)
|
||||
%define UNROLL_MASK (UNROLL_COUNT - 1)
|
||||
%define UNROLL_BYTES (8 * UNROLL_COUNT)
|
||||
%define UNROLL_THRESHOLD 8
|
||||
|
||||
%if UNROLL_BYTES >= 256
|
||||
%error unroll count is too large
|
||||
%elif UNROLL_BYTES >= 128
|
||||
%define off 128
|
||||
%else
|
||||
%define off 0
|
||||
%endif
|
||||
|
||||
%macro mac_sub 4
|
||||
|
||||
global %1%4:function
|
||||
global %1%3:function
|
||||
|
||||
%ifdef DLL
|
||||
export %1%4
|
||||
export %1%3
|
||||
%endif
|
||||
|
||||
%1%4:
|
||||
mov rax,cy
|
||||
jmp %%0
|
||||
%1%3:
|
||||
xor rax,rax
|
||||
%%0:
|
||||
movsxd len,lend
|
||||
cmp len,UNROLL_THRESHOLD
|
||||
jae %%2
|
||||
lea sr1,[sr1+len*8]
|
||||
lea sr2,[sr2+len*8]
|
||||
lea dst,[dst+len*8]
|
||||
neg len
|
||||
shr rax,1
|
||||
%%1:
|
||||
mov rax,[sr1+len*8]
|
||||
mov r10,[sr2+len*8]
|
||||
%2 rax,r10
|
||||
mov [dst+len*8],rax
|
||||
inc len
|
||||
jnz %%1
|
||||
mov rax,dword 0
|
||||
setc al
|
||||
ret
|
||||
%%2:
|
||||
mov r_cnt,1
|
||||
and r_cnt,len
|
||||
push r_cnt
|
||||
and len,-2
|
||||
mov r_cnt,len
|
||||
dec r_cnt
|
||||
shr r_cnt,UNROLL_LOG2
|
||||
neg len
|
||||
and len,UNROLL_MASK
|
||||
lea r_jmp,[len*4]
|
||||
neg len
|
||||
lea sr1,[sr1+len*8+off]
|
||||
lea sr2,[sr2+len*8+off]
|
||||
lea dst,[dst+len*8+off]
|
||||
shr rax,1
|
||||
lea r_jmp,[r_jmp+r_jmp*2]
|
||||
lea rax,[rel %%3]
|
||||
lea r_jmp,[r_jmp+rax]
|
||||
jmp r_jmp
|
||||
%%3:
|
||||
|
||||
%define CHUNK_COUNT 2
|
||||
%assign i 0
|
||||
|
||||
%rep UNROLL_COUNT / CHUNK_COUNT
|
||||
%assign disp0 8 * i * CHUNK_COUNT - off
|
||||
|
||||
mov r_jmp,[byte sr1+disp0] ; len and r_jmp registers
|
||||
mov len,[byte sr1+disp0+8] ; now not needed
|
||||
%2 r_jmp,[byte sr2+disp0]
|
||||
mov [byte dst+disp0],r_jmp
|
||||
%2 len,[byte sr2+disp0+8]
|
||||
mov [byte dst+disp0+8],len
|
||||
|
||||
%assign i i + 1
|
||||
%endrep
|
||||
|
||||
dec r_cnt
|
||||
lea sr1,[sr1+UNROLL_BYTES]
|
||||
lea sr2,[sr2+UNROLL_BYTES]
|
||||
lea dst,[dst+UNROLL_BYTES]
|
||||
jns %%3
|
||||
|
||||
pop rax
|
||||
dec rax
|
||||
js %%5
|
||||
mov len,[sr1-off]
|
||||
%2 len,[sr2-off]
|
||||
mov [dst-off],len
|
||||
%%5:mov rax,dword 0
|
||||
setc al
|
||||
ret
|
||||
|
||||
%endmacro
|
||||
|
||||
bits 64
|
||||
section .text
|
||||
|
||||
mac_sub __g,sbb,mpn_sub_n,mpn_sub_nc
|
||||
|
||||
end
|
||||
Loading…
Reference in New Issue
Block a user