416 lines
9.7 KiB
NASM
416 lines
9.7 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_3vect_dot_prod_avx(len, vec, *g_tbls, **buffs, **dests);
|
|
;;;
|
|
|
|
%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 r13 ; must be saved and restored
|
|
%define tmp4 r12 ; must be saved and restored
|
|
%define return rax
|
|
%macro SLDR 2
|
|
%endmacro
|
|
%define SSTR SLDR
|
|
%define PS 8
|
|
%define LOG_PS 3
|
|
|
|
%define func(x) x:
|
|
%macro FUNC_SAVE 0
|
|
push r12
|
|
push r13
|
|
%endmacro
|
|
%macro FUNC_RESTORE 0
|
|
pop r13
|
|
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 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 return rax
|
|
%macro SLDR 2
|
|
%endmacro
|
|
%define SSTR SLDR
|
|
%define PS 8
|
|
%define LOG_PS 3
|
|
|
|
%define func(x) x:
|
|
%macro FUNC_SAVE 0
|
|
push r12
|
|
push r13
|
|
%endmacro
|
|
%macro FUNC_RESTORE 0
|
|
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 tmp2 r10
|
|
%define tmp3 r13 ; must be saved and restored
|
|
%define tmp4 r14 ; must be saved and restored
|
|
%define return rax
|
|
%macro SLDR 2
|
|
%endmacro
|
|
%define SSTR SLDR
|
|
%define PS 8
|
|
%define LOG_PS 3
|
|
%define stack_size 6*16 + 5*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_xmm128 xmm9, 3*16
|
|
save_xmm128 xmm10, 4*16
|
|
save_xmm128 xmm11, 5*16
|
|
save_reg r12, 6*16 + 0*8
|
|
save_reg r13, 6*16 + 1*8
|
|
save_reg r14, 6*16 + 2*8
|
|
save_reg r15, 6*16 + 3*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]
|
|
mov r12, [rsp + 6*16 + 0*8]
|
|
mov r13, [rsp + 6*16 + 1*8]
|
|
mov r14, [rsp + 6*16 + 2*8]
|
|
mov r15, [rsp + 6*16 + 3*8]
|
|
add rsp, stack_size
|
|
%endmacro
|
|
%endif
|
|
|
|
%ifidn __OUTPUT_FORMAT__, elf32
|
|
|
|
;;;================== High Address;
|
|
;;; arg4
|
|
;;; arg3
|
|
;;; arg2
|
|
;;; arg1
|
|
;;; arg0
|
|
;;; return
|
|
;;;<================= esp of caller
|
|
;;; ebp
|
|
;;;<================= ebp = esp
|
|
;;; var0
|
|
;;; var1
|
|
;;; esi
|
|
;;; edi
|
|
;;; ebx
|
|
;;;<================= esp of callee
|
|
;;;
|
|
;;;================== Low Address;
|
|
|
|
%define PS 4
|
|
%define LOG_PS 2
|
|
%define func(x) x:
|
|
%define arg(x) [ebp + PS*2 + PS*x]
|
|
%define var(x) [ebp - PS - PS*x]
|
|
|
|
%define trans ecx
|
|
%define trans2 esi
|
|
%define arg0 trans ;trans and trans2 are for the variables in stack
|
|
%define arg0_m arg(0)
|
|
%define arg1 ebx
|
|
%define arg2 arg2_m
|
|
%define arg2_m arg(2)
|
|
%define arg3 trans
|
|
%define arg3_m arg(3)
|
|
%define arg4 trans
|
|
%define arg4_m arg(4)
|
|
%define arg5 trans2
|
|
%define tmp edx
|
|
%define tmp2 edi
|
|
%define tmp3 trans2
|
|
%define tmp3_m var(0)
|
|
%define tmp4 trans2
|
|
%define tmp4_m var(1)
|
|
%define return eax
|
|
%macro SLDR 2 ;; stack load/restore
|
|
mov %1, %2
|
|
%endmacro
|
|
%define SSTR SLDR
|
|
|
|
%macro FUNC_SAVE 0
|
|
push ebp
|
|
mov ebp, esp
|
|
sub esp, PS*2 ;2 local variables
|
|
push esi
|
|
push edi
|
|
push ebx
|
|
mov arg1, arg(1)
|
|
%endmacro
|
|
|
|
%macro FUNC_RESTORE 0
|
|
pop ebx
|
|
pop edi
|
|
pop esi
|
|
add esp, PS*2 ;2 local variables
|
|
pop ebp
|
|
%endmacro
|
|
|
|
%endif ; output formats
|
|
|
|
%define len arg0
|
|
%define vec arg1
|
|
%define mul_array arg2
|
|
%define src arg3
|
|
%define dest1 arg4
|
|
%define ptr arg5
|
|
|
|
%define vec_i tmp2
|
|
%define dest2 tmp3
|
|
%define dest3 tmp4
|
|
%define pos return
|
|
|
|
%ifidn PS,4 ;32-bit code
|
|
%define len_m arg0_m
|
|
%define src_m arg3_m
|
|
%define dest1_m arg4_m
|
|
%define dest2_m tmp3_m
|
|
%define dest3_m tmp4_m
|
|
%endif
|
|
|
|
%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
|
|
|
|
%ifidn PS,8 ; 64-bit code
|
|
default rel
|
|
[bits 64]
|
|
%endif
|
|
|
|
|
|
section .text
|
|
|
|
%ifidn PS,8 ;64-bit code
|
|
%define xmask0f xmm11
|
|
%define xgft1_lo xmm10
|
|
%define xgft1_hi xmm9
|
|
%define xgft2_lo xmm8
|
|
%define xgft2_hi xmm7
|
|
%define xgft3_lo xmm6
|
|
%define xgft3_hi xmm5
|
|
|
|
%define x0 xmm0
|
|
%define xtmpa xmm1
|
|
%define xp1 xmm2
|
|
%define xp2 xmm3
|
|
%define xp3 xmm4
|
|
%else
|
|
%define xmask0f xmm7
|
|
%define xgft1_lo xmm6
|
|
%define xgft1_hi xmm5
|
|
%define xgft2_lo xgft1_lo
|
|
%define xgft2_hi xgft1_hi
|
|
%define xgft3_lo xgft1_lo
|
|
%define xgft3_hi xgft1_hi
|
|
|
|
%define x0 xmm0
|
|
%define xtmpa xmm1
|
|
%define xp1 xmm2
|
|
%define xp2 xmm3
|
|
%define xp3 xmm4
|
|
%endif
|
|
|
|
align 16
|
|
global gf_3vect_dot_prod_avx:function
|
|
func(gf_3vect_dot_prod_avx)
|
|
FUNC_SAVE
|
|
SLDR len, len_m
|
|
sub len, 16
|
|
SSTR len_m, len
|
|
jl .return_fail
|
|
xor pos, pos
|
|
vmovdqa xmask0f, [mask0f] ;Load mask of lower nibble in each byte
|
|
sal vec, LOG_PS ;vec *= PS. Make vec_i count by PS
|
|
SLDR dest1, dest1_m
|
|
mov dest2, [dest1+PS]
|
|
SSTR dest2_m, dest2
|
|
mov dest3, [dest1+2*PS]
|
|
SSTR dest3_m, dest3
|
|
mov dest1, [dest1]
|
|
SSTR dest1_m, dest1
|
|
|
|
.loop16:
|
|
vpxor xp1, xp1
|
|
vpxor xp2, xp2
|
|
vpxor xp3, xp3
|
|
mov tmp, mul_array
|
|
xor vec_i, vec_i
|
|
|
|
.next_vect:
|
|
SLDR src, src_m
|
|
mov ptr, [src+vec_i]
|
|
|
|
vmovdqu xgft1_lo, [tmp] ;Load array Ax{00}, Ax{01}, ..., Ax{0f}
|
|
vmovdqu xgft1_hi, [tmp+16] ; " Ax{00}, Ax{10}, ..., Ax{f0}
|
|
%ifidn PS,8 ; 64-bit code
|
|
vmovdqu xgft2_lo, [tmp+vec*(32/PS)] ;Load array Bx{00}, Bx{01}, ..., Bx{0f}
|
|
vmovdqu xgft2_hi, [tmp+vec*(32/PS)+16] ; " Bx{00}, Bx{10}, ..., Bx{f0}
|
|
vmovdqu xgft3_lo, [tmp+vec*(64/PS)] ;Load array Cx{00}, Cx{01}, ..., Cx{0f}
|
|
vmovdqu xgft3_hi, [tmp+vec*(64/PS)+16] ; " Cx{00}, Cx{10}, ..., Cx{f0}
|
|
add tmp, 32
|
|
add vec_i, PS
|
|
%endif
|
|
XLDR x0, [ptr+pos] ;Get next source vector
|
|
|
|
vpand xtmpa, 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
|
|
|
|
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
|
|
|
|
%ifidn PS,4 ; 32-bit code
|
|
vmovdqu xgft2_lo, [tmp+vec*(32/PS)] ;Load array Bx{00}, Bx{01}, ..., Bx{0f}
|
|
vmovdqu xgft2_hi, [tmp+vec*(32/PS)+16] ; " Bx{00}, Bx{10}, ..., Bx{f0}
|
|
%endif
|
|
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
|
|
|
|
%ifidn PS,4 ; 32-bit code
|
|
sal vec, 1
|
|
vmovdqu xgft3_lo, [tmp+vec*(32/PS)] ;Load array Cx{00}, Cx{01}, ..., Cx{0f}
|
|
vmovdqu xgft3_hi, [tmp+vec*(32/PS)+16] ; " Cx{00}, Cx{10}, ..., Cx{f0}
|
|
sar vec, 1
|
|
add tmp, 32
|
|
add vec_i, PS
|
|
%endif
|
|
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
|
|
|
|
cmp vec_i, vec
|
|
jl .next_vect
|
|
|
|
SLDR dest1, dest1_m
|
|
SLDR dest2, dest2_m
|
|
XSTR [dest1+pos], xp1
|
|
XSTR [dest2+pos], xp2
|
|
SLDR dest3, dest3_m
|
|
XSTR [dest3+pos], xp3
|
|
|
|
SLDR len, len_m
|
|
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_3vect_dot_prod_avx, 02, 04, 0192
|