You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
265 lines
6.4 KiB
265 lines
6.4 KiB
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
; Copyright(c) 2011-2014 Intel Corporation All rights reserved.
|
|
;
|
|
; Redistribution and use in source and binary forms, with or without
|
|
; modification, are permitted provided that the following conditions
|
|
; are met:
|
|
; * Redistributions of source code must retain the above copyright
|
|
; notice, this list of conditions and the following disclaimer.
|
|
; * Redistributions in binary form must reproduce the above copyright
|
|
; notice, this list of conditions and the following disclaimer in
|
|
; the documentation and/or other materials provided with the
|
|
; distribution.
|
|
; * Neither the name of Intel Corporation nor the names of its
|
|
; contributors may be used to endorse or promote products derived
|
|
; from this software without specific prior written permission.
|
|
;
|
|
; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
; "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
; LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
; A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
; OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
; SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
; LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
; DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
; THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
; (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
; OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
|
|
;;;
|
|
;;; gf_2vect_dot_prod_sse(len, vec, *g_tbls, **buffs, **dests);
|
|
;;;
|
|
;;; Author: Gregory Tucker
|
|
|
|
%ifidn __OUTPUT_FORMAT__, macho64
|
|
%define GF_2VECT_DOT_PROD_SSE _gf_2vect_dot_prod_sse
|
|
%else
|
|
%define GF_2VECT_DOT_PROD_SSE gf_2vect_dot_prod_sse
|
|
%endif
|
|
|
|
%ifidn __OUTPUT_FORMAT__, elf64
|
|
%define arg0 rdi
|
|
%define arg1 rsi
|
|
%define arg2 rdx
|
|
%define arg3 rcx
|
|
%define arg4 r8
|
|
%define arg5 r9
|
|
|
|
%define tmp r11
|
|
%define tmp2 r10
|
|
%define tmp3 r9
|
|
%define tmp4 r12 ; must be saved and restored
|
|
%define return rax
|
|
%define PS 8
|
|
%define LOG_PS 3
|
|
|
|
%define func(x) x:
|
|
%macro FUNC_SAVE 0
|
|
push r12
|
|
%endmacro
|
|
%macro FUNC_RESTORE 0
|
|
pop r12
|
|
%endmacro
|
|
%endif
|
|
|
|
%ifidn __OUTPUT_FORMAT__, macho64
|
|
%define arg0 rdi
|
|
%define arg1 rsi
|
|
%define arg2 rdx
|
|
%define arg3 rcx
|
|
%define arg4 r8
|
|
%define arg5 r9
|
|
|
|
%define tmp r11
|
|
%define tmp2 r10
|
|
%define tmp3 r9
|
|
%define tmp4 r12 ; must be saved and restored
|
|
%define return rax
|
|
%define PS 8
|
|
%define LOG_PS 3
|
|
|
|
%define func(x) x:
|
|
%macro FUNC_SAVE 0
|
|
push r12
|
|
%endmacro
|
|
%macro FUNC_RESTORE 0
|
|
pop r12
|
|
%endmacro
|
|
%endif
|
|
|
|
%ifidn __OUTPUT_FORMAT__, win64
|
|
%define arg0 rcx
|
|
%define arg1 rdx
|
|
%define arg2 r8
|
|
%define arg3 r9
|
|
|
|
%define arg4 r12 ; must be saved, loaded and restored
|
|
%define tmp r11
|
|
%define tmp2 r10
|
|
%define tmp3 r13 ; must be saved and restored
|
|
%define tmp4 r14 ; must be saved and restored
|
|
%define return rax
|
|
%define PS 8
|
|
%define LOG_PS 3
|
|
%define stack_size 3*16 + 3*8 ; must be an odd multiple of 8
|
|
%define arg(x) [rsp + stack_size + PS + PS*x]
|
|
|
|
%define func(x) proc_frame x
|
|
%macro FUNC_SAVE 0
|
|
alloc_stack stack_size
|
|
save_xmm128 xmm6, 0*16
|
|
save_xmm128 xmm7, 1*16
|
|
save_xmm128 xmm8, 2*16
|
|
save_reg r12, 3*16 + 0*8
|
|
save_reg r13, 3*16 + 1*8
|
|
save_reg r14, 3*16 + 2*8
|
|
end_prolog
|
|
mov arg4, arg(4)
|
|
%endmacro
|
|
|
|
%macro FUNC_RESTORE 0
|
|
movdqa xmm6, [rsp + 0*16]
|
|
movdqa xmm7, [rsp + 1*16]
|
|
movdqa xmm8, [rsp + 2*16]
|
|
mov r12, [rsp + 3*16 + 0*8]
|
|
mov r13, [rsp + 3*16 + 1*8]
|
|
mov r14, [rsp + 3*16 + 2*8]
|
|
add rsp, stack_size
|
|
%endmacro
|
|
%endif
|
|
|
|
%define len arg0
|
|
%define vec arg1
|
|
%define mul_array arg2
|
|
%define src arg3
|
|
%define dest1 arg4
|
|
|
|
%define vec_i tmp2
|
|
%define ptr tmp3
|
|
%define dest2 tmp4
|
|
%define pos return
|
|
|
|
%ifndef EC_ALIGNED_ADDR
|
|
;;; Use Un-aligned load/store
|
|
%define XLDR movdqu
|
|
%define XSTR movdqu
|
|
%else
|
|
|
|
;;; Use Non-temporal load/stor
|
|
%ifdef NO_NT_LDST
|
|
%define XLDR movdqa
|
|
%define XSTR movdqa
|
|
%else
|
|
%define XLDR movntdqa
|
|
%define XSTR movntdq
|
|
%endif
|
|
%endif
|
|
|
|
|
|
default rel
|
|
|
|
[bits 64]
|
|
section .text
|
|
|
|
%define xmask0f xmm8
|
|
%define xgft1_lo xmm7
|
|
%define xgft1_hi xmm6
|
|
%define xgft2_lo xmm5
|
|
%define xgft2_hi xmm4
|
|
|
|
%define x0 xmm0
|
|
%define xtmpa xmm1
|
|
%define xp1 xmm2
|
|
%define xp2 xmm3
|
|
|
|
align 16
|
|
global GF_2VECT_DOT_PROD_SSE:function
|
|
func(GF_2VECT_DOT_PROD_SSE)
|
|
FUNC_SAVE
|
|
sub len, 16
|
|
jl .return_fail
|
|
xor pos, pos
|
|
movdqa xmask0f, [mask0f] ;Load mask of lower nibble in each byte
|
|
sal vec, LOG_PS ;vec *= PS. Make vec_i count by PS
|
|
mov dest2, [dest1+PS]
|
|
mov dest1, [dest1]
|
|
|
|
.loop16
|
|
pxor xp1, xp1
|
|
pxor xp2, xp2
|
|
mov tmp, mul_array
|
|
xor vec_i, vec_i
|
|
|
|
.next_vect
|
|
mov ptr, [src+vec_i]
|
|
|
|
movdqu xgft1_lo, [tmp] ;Load array Ax{00}, Ax{01}, ..., Ax{0f}
|
|
movdqu xgft1_hi, [tmp+16] ; " Ax{00}, Ax{10}, ..., Ax{f0}
|
|
movdqu xgft2_lo, [tmp+vec*(32/PS)] ;Load array Bx{00}, Bx{01}, ..., Bx{0f}
|
|
movdqu xgft2_hi, [tmp+vec*(32/PS)+16] ; " Bx{00}, Bx{10}, ..., Bx{f0}
|
|
|
|
XLDR x0, [ptr+pos] ;Get next source vector
|
|
add tmp, 32
|
|
add vec_i, PS
|
|
|
|
movdqa xtmpa, x0 ;Keep unshifted copy of src
|
|
psraw x0, 4 ;Shift to put high nibble into bits 4-0
|
|
pand x0, xmask0f ;Mask high src nibble in bits 4-0
|
|
pand xtmpa, xmask0f ;Mask low src nibble in bits 4-0
|
|
|
|
pshufb xgft1_hi, x0 ;Lookup mul table of high nibble
|
|
pshufb xgft1_lo, xtmpa ;Lookup mul table of low nibble
|
|
pxor xgft1_hi, xgft1_lo ;GF add high and low partials
|
|
pxor xp1, xgft1_hi ;xp1 += partial
|
|
|
|
pshufb xgft2_hi, x0 ;Lookup mul table of high nibble
|
|
pshufb xgft2_lo, xtmpa ;Lookup mul table of low nibble
|
|
pxor xgft2_hi, xgft2_lo ;GF add high and low partials
|
|
pxor xp2, xgft2_hi ;xp2 += partial
|
|
|
|
cmp vec_i, vec
|
|
jl .next_vect
|
|
|
|
XSTR [dest1+pos], xp1
|
|
XSTR [dest2+pos], xp2
|
|
|
|
add pos, 16 ;Loop on 16 bytes at a time
|
|
cmp pos, len
|
|
jle .loop16
|
|
|
|
lea tmp, [len + 16]
|
|
cmp pos, tmp
|
|
je .return_pass
|
|
|
|
;; Tail len
|
|
mov pos, len ;Overlapped offset length-16
|
|
jmp .loop16 ;Do one more overlap pass
|
|
|
|
.return_pass:
|
|
mov return, 0
|
|
FUNC_RESTORE
|
|
ret
|
|
|
|
.return_fail:
|
|
mov return, 1
|
|
FUNC_RESTORE
|
|
ret
|
|
|
|
endproc_frame
|
|
|
|
section .data
|
|
|
|
align 16
|
|
mask0f: ddq 0x0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f
|
|
|
|
%macro slversion 4
|
|
global %1_slver_%2%3%4
|
|
global %1_slver
|
|
%1_slver:
|
|
%1_slver_%2%3%4:
|
|
dw 0x%4
|
|
db 0x%3, 0x%2
|
|
%endmacro
|
|
;;; func core, ver, snum
|
|
slversion GF_2VECT_DOT_PROD_SSE, 00, 02, 0062
|
|
|