327 lines
9.1 KiB
NASM
327 lines
9.1 KiB
NASM
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
; Copyright(c) 2011-2015 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_6vect_dot_prod_avx2(len, vec, *g_tbls, **buffs, **dests);
|
|
;;;
|
|
|
|
%include "reg_sizes.asm"
|
|
|
|
%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 tmp.w r11d
|
|
%define tmp.b r11b
|
|
%define tmp2 r10
|
|
%define tmp3 r13 ; must be saved and restored
|
|
%define tmp4 r12 ; must be saved and restored
|
|
%define tmp5 r14 ; must be saved and restored
|
|
%define tmp6 r15 ; 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
|
|
push r13
|
|
push r14
|
|
push r15
|
|
%endmacro
|
|
%macro FUNC_RESTORE 0
|
|
pop r15
|
|
pop r14
|
|
pop r13
|
|
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 arg5 r15 ; must be saved and restored
|
|
%define tmp r11
|
|
%define tmp.w r11d
|
|
%define tmp.b r11b
|
|
%define tmp2 r10
|
|
%define tmp3 r13 ; must be saved and restored
|
|
%define tmp4 r14 ; must be saved and restored
|
|
%define tmp5 rdi ; must be saved and restored
|
|
%define tmp6 rsi ; must be saved and restored
|
|
%define return rax
|
|
%define PS 8
|
|
%define LOG_PS 3
|
|
%define stack_size 10*16 + 7*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
|
|
vmovdqa [rsp + 0*16], xmm6
|
|
vmovdqa [rsp + 1*16], xmm7
|
|
vmovdqa [rsp + 2*16], xmm8
|
|
vmovdqa [rsp + 3*16], xmm9
|
|
vmovdqa [rsp + 4*16], xmm10
|
|
vmovdqa [rsp + 5*16], xmm11
|
|
vmovdqa [rsp + 6*16], xmm12
|
|
vmovdqa [rsp + 7*16], xmm13
|
|
vmovdqa [rsp + 8*16], xmm14
|
|
vmovdqa [rsp + 9*16], xmm15
|
|
save_reg r12, 10*16 + 0*8
|
|
save_reg r13, 10*16 + 1*8
|
|
save_reg r14, 10*16 + 2*8
|
|
save_reg r15, 10*16 + 3*8
|
|
save_reg rdi, 10*16 + 4*8
|
|
save_reg rsi, 10*16 + 5*8
|
|
end_prolog
|
|
mov arg4, arg(4)
|
|
%endmacro
|
|
|
|
%macro FUNC_RESTORE 0
|
|
vmovdqa xmm6, [rsp + 0*16]
|
|
vmovdqa xmm7, [rsp + 1*16]
|
|
vmovdqa xmm8, [rsp + 2*16]
|
|
vmovdqa xmm9, [rsp + 3*16]
|
|
vmovdqa xmm10, [rsp + 4*16]
|
|
vmovdqa xmm11, [rsp + 5*16]
|
|
vmovdqa xmm12, [rsp + 6*16]
|
|
vmovdqa xmm13, [rsp + 7*16]
|
|
vmovdqa xmm14, [rsp + 8*16]
|
|
vmovdqa xmm15, [rsp + 9*16]
|
|
mov r12, [rsp + 10*16 + 0*8]
|
|
mov r13, [rsp + 10*16 + 1*8]
|
|
mov r14, [rsp + 10*16 + 2*8]
|
|
mov r15, [rsp + 10*16 + 3*8]
|
|
mov rdi, [rsp + 10*16 + 4*8]
|
|
mov rsi, [rsp + 10*16 + 5*8]
|
|
add rsp, stack_size
|
|
%endmacro
|
|
%endif
|
|
|
|
%define len arg0
|
|
%define vec arg1
|
|
%define mul_array arg2
|
|
%define src arg3
|
|
%define dest arg4
|
|
%define ptr arg5
|
|
%define vec_i tmp2
|
|
%define dest1 tmp3
|
|
%define dest2 tmp4
|
|
%define vskip1 tmp5
|
|
%define vskip3 tmp6
|
|
%define pos return
|
|
|
|
|
|
%ifndef EC_ALIGNED_ADDR
|
|
;;; Use Un-aligned load/store
|
|
%define XLDR vmovdqu
|
|
%define XSTR vmovdqu
|
|
%else
|
|
;;; Use Non-temporal load/stor
|
|
%ifdef NO_NT_LDST
|
|
%define XLDR vmovdqa
|
|
%define XSTR vmovdqa
|
|
%else
|
|
%define XLDR vmovntdqa
|
|
%define XSTR vmovntdq
|
|
%endif
|
|
%endif
|
|
|
|
|
|
default rel
|
|
|
|
[bits 64]
|
|
section .text
|
|
|
|
%define xmask0f ymm15
|
|
%define xmask0fx xmm15
|
|
%define xgft1_lo ymm14
|
|
%define xgft1_hi ymm13
|
|
%define xgft2_lo ymm12
|
|
%define xgft2_hi ymm11
|
|
%define xgft3_lo ymm10
|
|
%define xgft3_hi ymm9
|
|
%define x0 ymm0
|
|
%define xtmpa ymm1
|
|
%define xp1 ymm2
|
|
%define xp2 ymm3
|
|
%define xp3 ymm4
|
|
%define xp4 ymm5
|
|
%define xp5 ymm6
|
|
%define xp6 ymm7
|
|
|
|
align 16
|
|
global gf_6vect_dot_prod_avx2:function
|
|
func(gf_6vect_dot_prod_avx2)
|
|
FUNC_SAVE
|
|
sub len, 32
|
|
jl .return_fail
|
|
xor pos, pos
|
|
mov tmp.b, 0x0f
|
|
vpinsrb xmask0fx, xmask0fx, tmp.w, 0
|
|
vpbroadcastb xmask0f, xmask0fx ;Construct mask 0x0f0f0f...
|
|
mov vskip1, vec
|
|
imul vskip1, 32
|
|
mov vskip3, vec
|
|
imul vskip3, 96
|
|
sal vec, LOG_PS ;vec *= PS. Make vec_i count by PS
|
|
mov dest1, [dest]
|
|
mov dest2, [dest+PS]
|
|
|
|
|
|
.loop32:
|
|
mov tmp, mul_array
|
|
xor vec_i, vec_i
|
|
vpxor xp1, xp1
|
|
vpxor xp2, xp2
|
|
vpxor xp3, xp3
|
|
vpxor xp4, xp4
|
|
vpxor xp5, xp5
|
|
vpxor xp6, xp6
|
|
|
|
.next_vect:
|
|
mov ptr, [src+vec_i]
|
|
XLDR x0, [ptr+pos] ;Get next source vector
|
|
add vec_i, PS
|
|
|
|
vpand xgft3_lo, x0, xmask0f ;Mask low src nibble in bits 4-0
|
|
vpsraw x0, x0, 4 ;Shift to put high nibble into bits 4-0
|
|
vpand x0, x0, xmask0f ;Mask high src nibble in bits 4-0
|
|
vperm2i128 xtmpa, xgft3_lo, x0, 0x30 ;swap xtmpa from 1lo|2lo to 1lo|2hi
|
|
vperm2i128 x0, xgft3_lo, x0, 0x12 ;swap x0 from 1hi|2hi to 1hi|2lo
|
|
|
|
vmovdqu xgft1_lo, [tmp] ;Load array Ax{00}, Ax{01}, ..., Ax{0f}
|
|
; " Ax{00}, Ax{10}, ..., Ax{f0}
|
|
vmovdqu xgft2_lo, [tmp+vskip1*1] ;Load array Bx{00}, Bx{01}, ..., Bx{0f}
|
|
; " Bx{00}, Bx{10}, ..., Bx{f0}
|
|
vmovdqu xgft3_lo, [tmp+vskip1*2] ;Load array Cx{00}, Cx{01}, ..., Cx{0f}
|
|
; " Cx{00}, Cx{10}, ..., Cx{f0}
|
|
lea ptr, [vskip1 + vskip1*4] ;ptr = vskip5
|
|
|
|
vperm2i128 xgft1_hi, xgft1_lo, xgft1_lo, 0x01 ; swapped to hi | lo
|
|
vperm2i128 xgft2_hi, xgft2_lo, xgft2_lo, 0x01 ; swapped to hi | lo
|
|
vperm2i128 xgft3_hi, xgft3_lo, xgft3_lo, 0x01 ; swapped to hi | lo
|
|
|
|
vpshufb xgft1_hi, x0 ;Lookup mul table of high nibble
|
|
vpshufb xgft1_lo, xtmpa ;Lookup mul table of low nibble
|
|
vpxor xgft1_hi, xgft1_lo ;GF add high and low partials
|
|
vpxor xp1, xgft1_hi ;xp1 += partial
|
|
|
|
vpshufb xgft2_hi, x0 ;Lookup mul table of high nibble
|
|
vpshufb xgft2_lo, xtmpa ;Lookup mul table of low nibble
|
|
vpxor xgft2_hi, xgft2_lo ;GF add high and low partials
|
|
vpxor xp2, xgft2_hi ;xp2 += partial
|
|
|
|
vpshufb xgft3_hi, x0 ;Lookup mul table of high nibble
|
|
vpshufb xgft3_lo, xtmpa ;Lookup mul table of low nibble
|
|
vpxor xgft3_hi, xgft3_lo ;GF add high and low partials
|
|
vpxor xp3, xgft3_hi ;xp3 += partial
|
|
|
|
|
|
vmovdqu xgft1_lo, [tmp+vskip3] ;Load array Dx{00}, Dx{01}, ..., Dx{0f}
|
|
; " Dx{00}, Dx{10}, ..., Dx{f0}
|
|
vmovdqu xgft2_lo, [tmp+vskip1*4] ;Load array Ex{00}, Ex{01}, ..., Ex{0f}
|
|
; " Ex{00}, Ex{10}, ..., Ex{f0}
|
|
vmovdqu xgft3_lo, [tmp+ptr] ;Load array Fx{00}, Fx{01}, ..., Fx{0f}
|
|
; " Fx{00}, Fx{10}, ..., Fx{f0}
|
|
add tmp, 32
|
|
vperm2i128 xgft1_hi, xgft1_lo, xgft1_lo, 0x01 ; swapped to hi | lo
|
|
vperm2i128 xgft2_hi, xgft2_lo, xgft2_lo, 0x01 ; swapped to hi | lo
|
|
vperm2i128 xgft3_hi, xgft3_lo, xgft3_lo, 0x01 ; swapped to hi | lo
|
|
|
|
vpshufb xgft1_hi, x0 ;Lookup mul table of high nibble
|
|
vpshufb xgft1_lo, xtmpa ;Lookup mul table of low nibble
|
|
vpxor xgft1_hi, xgft1_lo ;GF add high and low partials
|
|
vpxor xp4, xgft1_hi ;xp4 += partial
|
|
|
|
vpshufb xgft2_hi, x0 ;Lookup mul table of high nibble
|
|
vpshufb xgft2_lo, xtmpa ;Lookup mul table of low nibble
|
|
vpxor xgft2_hi, xgft2_lo ;GF add high and low partials
|
|
vpxor xp5, xgft2_hi ;xp5 += partial
|
|
|
|
vpshufb xgft3_hi, x0 ;Lookup mul table of high nibble
|
|
vpshufb xgft3_lo, xtmpa ;Lookup mul table of low nibble
|
|
vpxor xgft3_hi, xgft3_lo ;GF add high and low partials
|
|
vpxor xp6, xgft3_hi ;xp6 += partial
|
|
|
|
cmp vec_i, vec
|
|
jl .next_vect
|
|
|
|
|
|
mov tmp, [dest+2*PS]
|
|
mov ptr, [dest+3*PS]
|
|
mov vec_i, [dest+4*PS]
|
|
|
|
XSTR [dest1+pos], xp1
|
|
XSTR [dest2+pos], xp2
|
|
XSTR [tmp+pos], xp3
|
|
mov tmp, [dest+5*PS]
|
|
XSTR [ptr+pos], xp4
|
|
XSTR [vec_i+pos], xp5
|
|
XSTR [tmp+pos], xp6
|
|
|
|
add pos, 32 ;Loop on 32 bytes at a time
|
|
cmp pos, len
|
|
jle .loop32
|
|
|
|
lea tmp, [len + 32]
|
|
cmp pos, tmp
|
|
je .return_pass
|
|
|
|
;; Tail len
|
|
mov pos, len ;Overlapped offset length-16
|
|
jmp .loop32 ;Do one more overlap pass
|
|
|
|
.return_pass:
|
|
FUNC_RESTORE
|
|
mov return, 0
|
|
ret
|
|
|
|
.return_fail:
|
|
FUNC_RESTORE
|
|
mov return, 1
|
|
ret
|
|
|
|
endproc_frame
|
|
|
|
section .data
|
|
|
|
;;; func core, ver, snum
|
|
slversion gf_6vect_dot_prod_avx2, 04, 04, 019a
|