;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ; Copyright(c) 2023 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_mad_avx2_gfni(len, vec, vec_i, mul_array, src, dest); ;;; %include "reg_sizes.asm" %include "gf_vect_gfni.inc" %include "memcpy.asm" %if AS_FEATURE_LEVEL >= 10 %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 func(x) x: endbranch %define FUNC_SAVE %define FUNC_RESTORE %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 r13 ; must be saved and restored %define tmp r11 %define tmp2 r10 %define stack_size 16*9 + 3*8 %define arg(x) [rsp + stack_size + 8 + 8*x] %define func(x) proc_frame x %macro FUNC_SAVE 0 sub rsp, 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 mov [rsp + 9*16 + 0*8], r12 mov [rsp + 9*16 + 1*8], r13 end_prolog mov arg4, arg(4) mov arg5, arg(5) %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] mov r12, [rsp + 9*16 + 0*8] mov r13, [rsp + 9*16 + 1*8] add rsp, stack_size %endmacro %endif %define len arg0 %define vec arg1 %define vec_i arg2 %define mul_array arg3 %define src arg4 %define dest1 arg5 %define pos rax %define dest2 mul_array %define dest3 vec_i %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 x0l ymm0 %define x0h ymm1 %define x0x ymm2 %define xgft1 ymm3 %define xgft2 ymm4 %define xd1l ymm5 %define xd1h ymm6 %define xd1x ymm7 %define xd2l ymm8 %define xd2h ymm9 %define xd2x ymm10 %define xret1l ymm11 %define xret1h ymm12 %define xret2l ymm13 %define xret2h ymm14 %define x0 x0l %define xd1 xd1l %define xd2 xd2l %define xret1 xret1l %define xret2 xret2l ;; ;; Encodes 96 bytes of a single source into 2x 96 bytes (parity disks) ;; %macro ENCODE_96B_2 0 ;Get next source vector XLDR x0l, [src + pos] XLDR x0h, [src + pos + 32] XLDR x0x, [src + pos + 64] ;Get next dest vectors XLDR xd1l, [dest1 + pos] XLDR xd1h, [dest1 + pos + 32] XLDR xd1x, [dest1 + pos + 64] XLDR xd2l, [dest2 + pos] XLDR xd2h, [dest2 + pos + 32] XLDR xd2x, [dest2 + pos + 64] GF_MUL_XOR VEX, x0l, xgft1, xret1l, xd1l, xgft2, xret2l, xd2l GF_MUL_XOR VEX, x0h, xgft1, xret1h, xd1h, xgft2, xret2h, xd2h GF_MUL_XOR VEX, x0x, xgft1, xret1l, xd1x, xgft2, xret2l, xd2x XSTR [dest1 + pos], xd1l XSTR [dest1 + pos + 32], xd1h XSTR [dest1 + pos + 64], xd1x XSTR [dest2 + pos], xd2l XSTR [dest2 + pos + 32], xd2h XSTR [dest2 + pos + 64], xd2x %endmacro ;; ;; Encodes 64 bytes of a single source into 2x 64 bytes (parity disks) ;; %macro ENCODE_64B_2 0 ;Get next source vector XLDR x0l, [src + pos] XLDR x0h, [src + pos + 32] ;Get next dest vectors XLDR xd1l, [dest1 + pos] XLDR xd1h, [dest1 + pos + 32] XLDR xd2l, [dest2 + pos] XLDR xd2h, [dest2 + pos + 32] GF_MUL_XOR VEX, x0l, xgft1, xret1l, xd1l, xgft2, xret2l, xd2l GF_MUL_XOR VEX, x0h, xgft1, xret1h, xd1h, xgft2, xret2h, xd2h XSTR [dest1 + pos], xd1l XSTR [dest1 + pos + 32], xd1h XSTR [dest2 + pos], xd2l XSTR [dest2 + pos + 32], xd2h %endmacro ;; ;; Encodes 32 bytes of a single source into 2x 32 bytes (parity disks) ;; %macro ENCODE_32B_2 0 ;Get next source vector XLDR x0, [src + pos] ;Get next dest vectors XLDR xd1, [dest1 + pos] XLDR xd2, [dest2 + pos] GF_MUL_XOR VEX, x0, xgft1, xret1, xd1, xgft2, xret2, xd2 XSTR [dest1 + pos], xd1 XSTR [dest2 + pos], xd2 %endmacro ;; ;; Encodes less than 32 bytes of a single source into 2x parity disks ;; %macro ENCODE_LT_32B_2 1 %define %%LEN %1 ;Get next source vector simd_load_avx2 x0, src + pos, %%LEN, tmp, tmp2 ;Get next dest vectors simd_load_avx2 xd1, dest1 + pos, %%LEN, tmp, tmp2 simd_load_avx2 xd2, dest2 + pos, %%LEN, tmp, tmp2 GF_MUL_XOR VEX, x0, xgft1, xret1, xd1, xgft2, xret2, xd2 lea dest1, [dest1 + pos] simd_store_avx2 dest1, xd1, %%LEN, tmp, tmp2 lea dest2, [dest2 + pos] simd_store_avx2 dest2, xd2, %%LEN, tmp, tmp2 %endmacro align 16 mk_global gf_2vect_mad_avx2_gfni, function func(gf_2vect_mad_avx2_gfni) FUNC_SAVE xor pos, pos shl vec_i, 3 ;Multiply by 8 shl vec, 3 ;Multiply by 8 lea tmp, [mul_array + vec_i] vbroadcastsd xgft1, [tmp] vbroadcastsd xgft2, [tmp + vec] mov dest2, [dest1 + 8] ; reuse mul_array mov dest1, [dest1] cmp len, 96 jl .len_lt_96 .loop96: ENCODE_96B_2 add pos, 96 ;; loop on 96 bytes at a time sub len, 96 cmp len, 96 jge .loop96 .len_lt_96: cmp len, 64 jl .len_lt_64 ENCODE_64B_2 ;; encode next 64 bytes add pos, 64 sub len, 64 .len_lt_64: cmp len, 32 jl .len_lt_32 ENCODE_32B_2 ;; encode next 32 bytes add pos, 32 sub len, 32 .len_lt_32: cmp len, 0 jle .exit ENCODE_LT_32B_2 len ;; encode final bytes .exit: vzeroupper FUNC_RESTORE ret endproc_frame %endif ; if AS_FEATURE_LEVEL >= 10