;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ; 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_sse(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 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 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 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_xmm128 xmm12, 6*16 save_xmm128 xmm13, 7*16 save_xmm128 xmm14, 8*16 save_xmm128 xmm15, 9*16 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 movdqa xmm6, [rsp + 0*16] movdqa xmm7, [rsp + 1*16] movdqa xmm8, [rsp + 2*16] movdqa xmm9, [rsp + 3*16] movdqa xmm10, [rsp + 4*16] movdqa xmm11, [rsp + 5*16] movdqa xmm12, [rsp + 6*16] movdqa xmm13, [rsp + 7*16] movdqa xmm14, [rsp + 8*16] movdqa 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 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 xmm15 %define xgft1_lo xmm2 %define xgft1_hi xmm3 %define xgft2_lo xmm4 %define xgft2_hi xmm5 %define xgft3_lo xmm6 %define xgft3_hi xmm7 %define x0 xmm0 %define xtmpa xmm1 %define xp1 xmm8 %define xp2 xmm9 %define xp3 xmm10 %define xp4 xmm11 %define xp5 xmm12 %define xp6 xmm13 align 16 global gf_6vect_dot_prod_sse:function func(gf_6vect_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 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] .loop16: mov tmp, mul_array xor vec_i, vec_i pxor xp1, xp1 pxor xp2, xp2 pxor xp3, xp3 pxor xp4, xp4 pxor xp5, xp5 pxor xp6, xp6 .next_vect: mov ptr, [src+vec_i] add vec_i, PS XLDR x0, [ptr+pos] ;Get next source vector 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+vskip1*1] ;Load array Bx{00}, Bx{01}, ..., Bx{0f} movdqu xgft2_hi, [tmp+vskip1*1+16] ; " Bx{00}, Bx{10}, ..., Bx{f0} movdqu xgft3_lo, [tmp+vskip1*2] ;Load array Cx{00}, Cx{01}, ..., Cx{0f} movdqu xgft3_hi, [tmp+vskip1*2+16] ; " Cx{00}, Cx{10}, ..., Cx{f0} lea ptr, [vskip1 + vskip1*4] ;ptr = vskip5 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 pshufb xgft3_hi, x0 ;Lookup mul table of high nibble pshufb xgft3_lo, xtmpa ;Lookup mul table of low nibble pxor xgft3_hi, xgft3_lo ;GF add high and low partials pxor xp3, xgft3_hi ;xp3 += partial movdqu xgft1_lo, [tmp+vskip3] ;Load array Dx{00}, Dx{01}, ..., Dx{0f} movdqu xgft1_hi, [tmp+vskip3+16] ; " Dx{00}, Dx{10}, ..., Dx{f0} movdqu xgft2_lo, [tmp+vskip1*4] ;Load array Ex{00}, Ex{01}, ..., Ex{0f} movdqu xgft2_hi, [tmp+vskip1*4+16] ; " Ex{00}, Ex{10}, ..., Ex{f0} movdqu xgft3_lo, [tmp+ptr] ;Load array Fx{00}, Fx{01}, ..., Fx{0f} movdqu xgft3_hi, [tmp+ptr+16] ; " Fx{00}, Fx{10}, ..., Fx{f0} add tmp, 32 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 xp4, xgft1_hi ;xp4 += 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 xp5, xgft2_hi ;xp5 += partial pshufb xgft3_hi, x0 ;Lookup mul table of high nibble pshufb xgft3_lo, xtmpa ;Lookup mul table of low nibble pxor xgft3_hi, xgft3_lo ;GF add high and low partials pxor 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, 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: FUNC_RESTORE mov return, 0 ret .return_fail: FUNC_RESTORE mov return, 1 ret endproc_frame section .data align 16 mask0f: ddq 0x0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f ;;; func core, ver, snum slversion gf_6vect_dot_prod_sse, 00, 05, 0066