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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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; Copyright(c) 2011-2015 Intel Corporation All rights reserved.
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;
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; Redistribution and use in source and binary forms, with or without
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; modification, are permitted provided that the following conditions
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; are met:
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; * Redistributions of source code must retain the above copyright
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; notice, this list of conditions and the following disclaimer.
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; * Redistributions in binary form must reproduce the above copyright
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; notice, this list of conditions and the following disclaimer in
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; the documentation and/or other materials provided with the
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; distribution.
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; * Neither the name of Intel Corporation nor the names of its
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; contributors may be used to endorse or promote products derived
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; from this software without specific prior written permission.
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;
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; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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; "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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; LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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; A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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; OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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; SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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; LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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; DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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; THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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; (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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; OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;
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;;; gf_6vect_mad_avx2(len, vec, vec_i, mul_array, src, dest);
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;;;
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%define PS 8
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%ifidn __OUTPUT_FORMAT__, win64
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%define arg0 rcx
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%define arg0.w ecx
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%define arg1 rdx
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%define arg2 r8
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%define arg3 r9
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%define arg4 r12
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%define arg5 r15
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%define tmp r11
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%define tmp.w r11d
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%define tmp.b r11b
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%define tmp2 r10
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%define tmp3 r13
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%define return rax
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%define return.w eax
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%define stack_size 16*10 + 3*8
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%define arg(x) [rsp + stack_size + PS + PS*x]
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%define func(x) proc_frame x
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%macro FUNC_SAVE 0
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sub rsp, stack_size
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movdqa [rsp+16*0],xmm6
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movdqa [rsp+16*1],xmm7
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movdqa [rsp+16*2],xmm8
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movdqa [rsp+16*3],xmm9
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movdqa [rsp+16*4],xmm10
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movdqa [rsp+16*5],xmm11
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movdqa [rsp+16*6],xmm12
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movdqa [rsp+16*7],xmm13
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movdqa [rsp+16*8],xmm14
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movdqa [rsp+16*9],xmm15
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save_reg r12, 10*16 + 0*8
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save_reg r13, 10*16 + 1*8
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save_reg r15, 10*16 + 2*8
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end_prolog
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mov arg4, arg(4)
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mov arg5, arg(5)
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%endmacro
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%macro FUNC_RESTORE 0
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movdqa xmm6, [rsp+16*0]
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movdqa xmm7, [rsp+16*1]
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movdqa xmm8, [rsp+16*2]
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movdqa xmm9, [rsp+16*3]
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movdqa xmm10, [rsp+16*4]
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movdqa xmm11, [rsp+16*5]
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movdqa xmm12, [rsp+16*6]
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movdqa xmm13, [rsp+16*7]
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movdqa xmm14, [rsp+16*8]
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movdqa xmm15, [rsp+16*9]
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mov r12, [rsp + 10*16 + 0*8]
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mov r13, [rsp + 10*16 + 1*8]
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mov r15, [rsp + 10*16 + 3*8]
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add rsp, stack_size
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%endmacro
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%elifidn __OUTPUT_FORMAT__, elf64
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%define arg0 rdi
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%define arg0.w edi
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%define arg1 rsi
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%define arg2 rdx
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%define arg3 rcx
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%define arg4 r8
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%define arg5 r9
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%define tmp r11
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%define tmp.w r11d
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%define tmp.b r11b
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%define tmp2 r10
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%define tmp3 r12
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%define return rax
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%define return.w eax
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%define func(x) x:
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%macro FUNC_SAVE 0
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push r12
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%endmacro
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%macro FUNC_RESTORE 0
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pop r12
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%endmacro
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%elifidn __OUTPUT_FORMAT__, macho64
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%define arg0 rdi
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%define arg0.w edi
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%define arg1 rsi
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%define arg2 rdx
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%define arg3 rcx
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%define arg4 r8
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%define arg5 r9
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%define tmp r11
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%define tmp.w r11d
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%define tmp.b r11b
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%define tmp2 r10
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%define tmp3 r12
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%define return rax
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%define return.w eax
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%define func(x) x:
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%macro FUNC_SAVE 0
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push r12
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%endmacro
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%macro FUNC_RESTORE 0
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pop r12
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%endmacro
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%endif
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;;; gf_6vect_mad_avx2(len, vec, vec_i, mul_array, src, dest)
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%define len arg0
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%define len.w arg0.w
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%define vec arg1
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%define vec_i arg2
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%define mul_array arg3
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%define src arg4
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%define dest1 arg5
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%define pos return
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%define pos.w return.w
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%define dest2 tmp3
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%define dest3 tmp2
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%define dest4 mul_array
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%define dest5 vec
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%define dest6 vec_i
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%ifndef EC_ALIGNED_ADDR
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;;; Use Un-aligned load/store
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%define XLDR vmovdqu
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%define XSTR vmovdqu
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%else
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;;; Use Non-temporal load/stor
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%ifdef NO_NT_LDST
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%define XLDR vmovdqa
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%define XSTR vmovdqa
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%else
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%define XLDR vmovntdqa
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%define XSTR vmovntdq
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%endif
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%endif
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default rel
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[bits 64]
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section .text
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%define xmask0f ymm15
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%define xmask0fx xmm15
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%define xgft1_lo ymm14
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%define xgft2_lo ymm13
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%define xgft3_lo ymm12
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%define xgft4_lo ymm11
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%define xgft5_lo ymm10
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%define xgft6_lo ymm9
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%define x0 ymm0
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%define xtmpa ymm1
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%define xtmpl ymm2
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%define xtmplx xmm2
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%define xtmph ymm3
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%define xtmphx xmm3
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%define xd1 ymm4
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%define xd2 ymm5
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%define xd3 ymm6
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%define xd4 ymm7
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%define xd5 ymm8
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%define xd6 xd1
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align 16
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global gf_6vect_mad_avx2:function
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func(gf_6vect_mad_avx2)
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FUNC_SAVE
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sub len, 32
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jl .return_fail
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xor pos, pos
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mov tmp.b, 0x0f
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vpinsrb xmask0fx, xmask0fx, tmp.w, 0
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vpbroadcastb xmask0f, xmask0fx ;Construct mask 0x0f0f0f...
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sal vec_i, 5 ;Multiply by 32
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sal vec, 5 ;Multiply by 32
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lea tmp, [mul_array + vec_i]
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mov vec_i, vec
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mov mul_array, vec
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sal vec_i, 1
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sal mul_array, 1
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add vec_i, vec ;vec_i=vec*96
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add mul_array, vec_i ;vec_i=vec*160
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vmovdqu xgft1_lo, [tmp] ;Load array Ax{00}, Ax{01}, ..., Ax{0f}
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; " Ax{00}, Ax{10}, ..., Ax{f0}
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vmovdqu xgft2_lo, [tmp+vec] ;Load array Bx{00}, Bx{01}, ..., Bx{0f}
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; " Bx{00}, Bx{10}, ..., Bx{f0}
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vmovdqu xgft3_lo, [tmp+2*vec] ;Load array Cx{00}, Cx{01}, ..., Cx{0f}
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; " Cx{00}, Cx{10}, ..., Cx{f0}
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vmovdqu xgft4_lo, [tmp+vec_i] ;Load array Fx{00}, Fx{01}, ..., Fx{0f}
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; " Fx{00}, Fx{10}, ..., Fx{f0}
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vmovdqu xgft5_lo, [tmp+4*vec] ;Load array Ex{00}, Ex{01}, ..., Ex{0f}
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; " Ex{00}, Ex{10}, ..., Ex{f0}
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vmovdqu xgft6_lo, [tmp+mul_array] ;Load array Dx{00}, Dx{01}, ..., Dx{0f}
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; " Dx{00}, Dx{10}, ..., Dx{f0}
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mov dest2, [dest1+PS] ; reuse tmp3
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mov dest3, [dest1+2*PS] ; reuse tmp2
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mov dest4, [dest1+3*PS] ; reuse mul_array
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mov dest5, [dest1+4*PS] ; reuse vec
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mov dest6, [dest1+5*PS] ; reuse vec_i
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mov dest1, [dest1]
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.loop32:
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XLDR x0, [src+pos] ;Get next source vector
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XLDR xd1, [dest1+pos] ;Get next dest vector
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XLDR xd2, [dest2+pos] ;Get next dest vector
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XLDR xd3, [dest3+pos] ;Get next dest vector
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XLDR xd4, [dest4+pos] ;Get next dest vector
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XLDR xd5, [dest5+pos] ;Get next dest vector
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vpand xtmpl, x0, xmask0f ;Mask low src nibble in bits 4-0
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vpsraw x0, x0, 4 ;Shift to put high nibble into bits 4-0
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vpand x0, x0, xmask0f ;Mask high src nibble in bits 4-0
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vperm2i128 xtmpa, xtmpl, x0, 0x30 ;swap xtmpa from 1lo|2lo to 1lo|2hi
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vperm2i128 x0, xtmpl, x0, 0x12 ;swap x0 from 1hi|2hi to 1hi|2lo
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;dest1
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vperm2i128 xtmph, xgft1_lo, xgft1_lo, 0x01 ; swapped to hi | lo
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vpshufb xtmph, xtmph, x0 ;Lookup mul table of high nibble
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vpshufb xtmpl, xgft1_lo, xtmpa ;Lookup mul table of low nibble
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vpxor xtmph, xtmph, xtmpl ;GF add high and low partials
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vpxor xd1, xd1, xtmph ;xd1 += partial
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XSTR [dest1+pos], xd1 ;Store result into dest1
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;dest2
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vperm2i128 xtmph, xgft2_lo, xgft2_lo, 0x01 ; swapped to hi | lo
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vpshufb xtmph, xtmph, x0 ;Lookup mul table of high nibble
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vpshufb xtmpl, xgft2_lo, xtmpa ;Lookup mul table of low nibble
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vpxor xtmph, xtmph, xtmpl ;GF add high and low partials
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vpxor xd2, xd2, xtmph ;xd2 += partial
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;dest3
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vperm2i128 xtmph, xgft3_lo, xgft3_lo, 0x01 ; swapped to hi | lo
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vpshufb xtmph, xtmph, x0 ;Lookup mul table of high nibble
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vpshufb xtmpl, xgft3_lo, xtmpa ;Lookup mul table of low nibble
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vpxor xtmph, xtmph, xtmpl ;GF add high and low partials
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vpxor xd3, xd3, xtmph ;xd3 += partial
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XLDR xd6, [dest6+pos] ;reuse xd1. Get next dest vector
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;dest4
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vperm2i128 xtmph, xgft4_lo, xgft4_lo, 0x01 ; swapped to hi | lo
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vpshufb xtmph, xtmph, x0 ;Lookup mul table of high nibble
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vpshufb xtmpl, xgft4_lo, xtmpa ;Lookup mul table of low nibble
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vpxor xtmph, xtmph, xtmpl ;GF add high and low partials
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vpxor xd4, xd4, xtmph ;xd4 += partial
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;dest5
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vperm2i128 xtmph, xgft5_lo, xgft5_lo, 0x01 ; swapped to hi | lo
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vpshufb xtmph, xtmph, x0 ;Lookup mul table of high nibble
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vpshufb xtmpl, xgft5_lo, xtmpa ;Lookup mul table of low nibble
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vpxor xtmph, xtmph, xtmpl ;GF add high and low partials
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vpxor xd5, xd5, xtmph ;xd5 += partial
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;dest6
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vperm2i128 xtmph, xgft6_lo, xgft6_lo, 0x01 ; swapped to hi | lo
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vpshufb xtmph, xtmph, x0 ;Lookup mul table of high nibble
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vpshufb xtmpl, xgft6_lo, xtmpa ;Lookup mul table of low nibble
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vpxor xtmph, xtmph, xtmpl ;GF add high and low partials
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vpxor xd6, xd6, xtmph ;xd6 += partial
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XSTR [dest2+pos], xd2 ;Store result into dest2
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XSTR [dest3+pos], xd3 ;Store result into dest3
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XSTR [dest4+pos], xd4 ;Store result into dest4
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XSTR [dest5+pos], xd5 ;Store result into dest5
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XSTR [dest6+pos], xd6 ;Store result into dest6
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add pos, 32 ;Loop on 32 bytes at a time
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cmp pos, len
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jle .loop32
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lea tmp, [len + 32]
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cmp pos, tmp
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je .return_pass
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.lessthan32:
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;; Tail len
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;; Do one more overlap pass
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mov tmp.b, 0x1f
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vpinsrb xtmphx, xtmphx, tmp.w, 0
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vpbroadcastb xtmph, xtmphx ;Construct mask 0x1f1f1f...
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mov tmp, len ;Overlapped offset length-32
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XLDR x0, [src+tmp] ;Get next source vector
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XLDR xd1, [dest1+tmp] ;Get next dest vector
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XLDR xd2, [dest2+tmp] ;Get next dest vector
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XLDR xd3, [dest3+tmp] ;Get next dest vector
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XLDR xd4, [dest4+tmp] ;Get next dest vector
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XLDR xd5, [dest5+tmp] ;Get next dest vector
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sub len, pos
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vpinsrb xtmplx, xtmplx, len.w, 15
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vinserti128 xtmpl, xtmpl, xtmplx, 1 ;swapped to xtmplx | xtmplx
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vpshufb xtmpl, xtmpl, xtmph ;Broadcast len to all bytes. xtmph=0x1f1f1f...
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vpcmpgtb xtmpl, xtmpl, [constip32]
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vpand xtmph, x0, xmask0f ;Mask low src nibble in bits 4-0
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vpsraw x0, x0, 4 ;Shift to put high nibble into bits 4-0
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vpand x0, x0, xmask0f ;Mask high src nibble in bits 4-0
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vperm2i128 xtmpa, xtmph, x0, 0x30 ;swap xtmpa from 1lo|2lo to 1lo|2hi
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vperm2i128 x0, xtmph, x0, 0x12 ;swap x0 from 1hi|2hi to 1hi|2lo
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;dest1
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vperm2i128 xtmph, xgft1_lo, xgft1_lo, 0x01 ; swapped to hi | lo
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vpshufb xtmph, xtmph, x0 ;Lookup mul table of high nibble
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vpshufb xgft1_lo, xgft1_lo, xtmpa ;Lookup mul table of low nibble
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vpxor xtmph, xtmph, xgft1_lo ;GF add high and low partials
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vpand xtmph, xtmph, xtmpl
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vpxor xd1, xd1, xtmph ;xd1 += partial
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XSTR [dest1+tmp], xd1 ;Store result into dest1
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;dest2
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vperm2i128 xtmph, xgft2_lo, xgft2_lo, 0x01 ; swapped to hi | lo
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|
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vpshufb xtmph, xtmph, x0 ;Lookup mul table of high nibble
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|
|
vpshufb xgft2_lo, xgft2_lo, xtmpa ;Lookup mul table of low nibble
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vpxor xtmph, xtmph, xgft2_lo ;GF add high and low partials
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vpand xtmph, xtmph, xtmpl
|
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vpxor xd2, xd2, xtmph ;xd2 += partial
|
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;dest3
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vperm2i128 xtmph, xgft3_lo, xgft3_lo, 0x01 ; swapped to hi | lo
|
|
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|
|
vpshufb xtmph, xtmph, x0 ;Lookup mul table of high nibble
|
|
|
|
|
vpshufb xgft3_lo, xgft3_lo, xtmpa ;Lookup mul table of low nibble
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|
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|
|
vpxor xtmph, xtmph, xgft3_lo ;GF add high and low partials
|
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|
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vpand xtmph, xtmph, xtmpl
|
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vpxor xd3, xd3, xtmph ;xd3 += partial
|
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|
XLDR xd6, [dest6+tmp] ;reuse xd1. Get next dest vector
|
|
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;dest4
|
|
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|
|
vperm2i128 xtmph, xgft4_lo, xgft4_lo, 0x01 ; swapped to hi | lo
|
|
|
|
|
vpshufb xtmph, xtmph, x0 ;Lookup mul table of high nibble
|
|
|
|
|
vpshufb xgft4_lo, xgft4_lo, xtmpa ;Lookup mul table of low nibble
|
|
|
|
|
vpxor xtmph, xtmph, xgft4_lo ;GF add high and low partials
|
|
|
|
|
vpand xtmph, xtmph, xtmpl
|
|
|
|
|
vpxor xd4, xd4, xtmph ;xd4 += partial
|
|
|
|
|
|
|
|
|
|
;dest5
|
|
|
|
|
vperm2i128 xtmph, xgft5_lo, xgft5_lo, 0x01 ; swapped to hi | lo
|
|
|
|
|
vpshufb xtmph, xtmph, x0 ;Lookup mul table of high nibble
|
|
|
|
|
vpshufb xgft5_lo, xgft5_lo, xtmpa ;Lookup mul table of low nibble
|
|
|
|
|
vpxor xtmph, xtmph, xgft5_lo ;GF add high and low partials
|
|
|
|
|
vpand xtmph, xtmph, xtmpl
|
|
|
|
|
vpxor xd5, xd5, xtmph ;xd5 += partial
|
|
|
|
|
|
|
|
|
|
;dest6
|
|
|
|
|
vperm2i128 xtmph, xgft6_lo, xgft6_lo, 0x01 ; swapped to hi | lo
|
|
|
|
|
vpshufb xtmph, xtmph, x0 ;Lookup mul table of high nibble
|
|
|
|
|
vpshufb xgft6_lo, xgft6_lo, xtmpa ;Lookup mul table of low nibble
|
|
|
|
|
vpxor xtmph, xtmph, xgft6_lo ;GF add high and low partials
|
|
|
|
|
vpand xtmph, xtmph, xtmpl
|
|
|
|
|
vpxor xd6, xd6, xtmph ;xd6 += partial
|
|
|
|
|
|
|
|
|
|
XSTR [dest2+tmp], xd2 ;Store result into dest2
|
|
|
|
|
XSTR [dest3+tmp], xd3 ;Store result into dest3
|
|
|
|
|
XSTR [dest4+tmp], xd4 ;Store result into dest4
|
|
|
|
|
XSTR [dest5+tmp], xd5 ;Store result into dest5
|
|
|
|
|
XSTR [dest6+tmp], xd6 ;Store result into dest6
|
|
|
|
|
|
|
|
|
|
.return_pass:
|
|
|
|
|
FUNC_RESTORE
|
|
|
|
|
mov return, 0
|
|
|
|
|
ret
|
|
|
|
|
|
|
|
|
|
.return_fail:
|
|
|
|
|
FUNC_RESTORE
|
|
|
|
|
mov return, 1
|
|
|
|
|
ret
|
|
|
|
|
|
|
|
|
|
endproc_frame
|
|
|
|
|
|
|
|
|
|
section .data
|
|
|
|
|
align 32
|
|
|
|
|
constip32:
|
|
|
|
|
ddq 0xf0f1f2f3f4f5f6f7f8f9fafbfcfdfeff
|
|
|
|
|
ddq 0xe0e1e2e3e4e5e6e7e8e9eaebecedeeef
|
|
|
|
|
|
|
|
|
|
%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_6vect_mad_avx2, 04, 00, 0211
|
