;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;1;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ; 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_dot_prod_avx2_gfni(len, vec, *g_tbls, **buffs, **dests); ;;; %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 tmp3 r13 ; must be saved and restored %define tmp4 r12 ; must be saved and restored %define tmp5 r14 ; must be saved and restored %define stack_size 3*8 %define func(x) x: endbranch %macro FUNC_SAVE 0 sub rsp, stack_size mov [rsp + 0*8], r12 mov [rsp + 1*8], r13 mov [rsp + 2*8], r14 %endmacro %macro FUNC_RESTORE 0 mov r12, [rsp + 0*8] mov r13, [rsp + 1*8] mov r14, [rsp + 2*8] add rsp, stack_size %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 stack_size 7*16 + 5*8 ; must be an odd multiple of 8 %define arg(x) [rsp + stack_size + 8 + 8*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 mov [rsp + 7*16 + 0*8], r12 mov [rsp + 7*16 + 1*8], r13 mov [rsp + 7*16 + 2*8], r14 mov [rsp + 7*16 + 3*8], r15 mov [rsp + 7*16 + 4*8], rdi 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] mov r12, [rsp + 7*16 + 0*8] mov r13, [rsp + 7*16 + 1*8] mov r14, [rsp + 7*16 + 2*8] mov r15, [rsp + 7*16 + 3*8] mov rdi, [rsp + 7*16 + 4*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 dest2 tmp3 %define dest1 tmp5 %define pos rax %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 %define x0l ymm0 %define x0h ymm1 %define x0x ymm2 %define xgft1 ymm3 %define xgft2 ymm4 %define xtmp1 ymm5 %define xtmp2 ymm6 %define xp1l ymm7 %define xp2l ymm8 %define xp1h ymm9 %define xp2h ymm10 %define xp1x ymm11 %define xp2x ymm12 %define x0 x0l %define xp1 xp1l %define xp2 xp2l default rel [bits 64] section .text ;; ;; Encodes 96 bytes of all "k" sources into 2x 96 bytes (parity disk) ;; %macro ENCODE_96B_2 0 vpxor xp1l, xp1l, xp1l vpxor xp1h, xp1h, xp1h vpxor xp1x, xp1x, xp1x vpxor xp2l, xp2l, xp2l vpxor xp2h, xp2h, xp2h vpxor xp2x, xp2x, xp2x mov tmp, mul_array xor vec_i, vec_i %%next_vect: ;; load next source vector mov ptr, [src + vec_i] XLDR x0l, [ptr + pos] XLDR x0h, [ptr + pos + 32] XLDR x0x, [ptr + pos + 64] add vec_i, 8 vbroadcastsd xgft1, [tmp] vbroadcastsd xgft2, [tmp + vec] GF_MUL_XOR VEX, x0l, xgft1, xtmp1, xp1l, xgft2, xtmp2, xp2l GF_MUL_XOR VEX, x0h, xgft1, xtmp1, xp1h, xgft2, xtmp2, xp2h GF_MUL_XOR VEX, x0x, xgft1, xtmp1, xp1x, xgft2, xtmp2, xp2x add tmp, 8 cmp vec_i, vec jl %%next_vect XSTR [dest1 + pos], xp1l XSTR [dest1 + pos + 32], xp1h XSTR [dest1 + pos + 64], xp1x XSTR [dest2 + pos], xp2l XSTR [dest2 + pos + 32], xp2h XSTR [dest2 + pos + 64], xp2x %endmacro ;; ;; Encodes 64 bytes of all "k" sources into 2x 64 bytes (parity disks) ;; %macro ENCODE_64B_2 0 vpxor xp1l, xp1l, xp1l vpxor xp1h, xp1h, xp1h vpxor xp2l, xp2l, xp2l vpxor xp2h, xp2h, xp2h mov tmp, mul_array xor vec_i, vec_i %%next_vect: mov ptr, [src + vec_i] XLDR x0l, [ptr + pos] ;; Get next source vector low 32 bytes XLDR x0h, [ptr + pos + 32] ;; Get next source vector high 32 bytes add vec_i, 8 vbroadcastsd xgft1, [tmp] vbroadcastsd xgft2, [tmp + vec] add tmp, 8 GF_MUL_XOR VEX, x0l, xgft1, xtmp1, xp1l, xgft2, xtmp2, xp2l GF_MUL_XOR VEX, x0h, xgft1, xgft1, xp1h, xgft2, xgft2, xp2h cmp vec_i, vec jl %%next_vect XSTR [dest1 + pos], xp1l XSTR [dest1 + pos + 32], xp1h XSTR [dest2 + pos], xp2l XSTR [dest2 + pos + 32], xp2h %endmacro ;; ;; Encodes 32 bytes of all "k" sources into 2x 32 bytes (parity disks) ;; %macro ENCODE_32B_2 0 vpxor xp1, xp1, xp1 vpxor xp2, xp2, xp2 mov tmp, mul_array xor vec_i, vec_i %%next_vect: mov ptr, [src + vec_i] XLDR x0, [ptr + pos] ;Get next source vector (32 bytes) add vec_i, 8 vbroadcastsd xgft1, [tmp] vbroadcastsd xgft2, [tmp + vec] add tmp, 8 GF_MUL_XOR VEX, x0, xgft1, xgft1, xp1, xgft2, xgft2, xp2 cmp vec_i, vec jl %%next_vect XSTR [dest1 + pos], xp1 XSTR [dest2 + pos], xp2 %endmacro ;; ;; Encodes less than 32 bytes of all "k" sources into 2 parity disks ;; %macro ENCODE_LT_32B_2 1 %define %%LEN %1 vpxor xp1, xp1, xp1 vpxor xp2, xp2, xp2 xor vec_i, vec_i %%next_vect: mov ptr, [src + vec_i] simd_load_avx2 x0, ptr + pos, %%LEN, tmp, tmp4 ;Get next source vector add vec_i, 8 vbroadcastsd xgft1, [mul_array] vbroadcastsd xgft2, [mul_array + vec] add mul_array, 8 GF_MUL_XOR VEX, x0, xgft1, xgft1, xp1, xgft2, xgft2, xp2 cmp vec_i, vec jl %%next_vect ;Store updated encoded data lea ptr, [dest1 + pos] simd_store_avx2 ptr, xp1, %%LEN, tmp, tmp4 lea ptr, [dest2 + pos] simd_store_avx2 ptr, xp2, %%LEN, tmp, tmp4 %endmacro align 16 mk_global gf_2vect_dot_prod_avx2_gfni, function func(gf_2vect_dot_prod_avx2_gfni) FUNC_SAVE xor pos, pos shl vec, 3 ;; vec *= 8. Make vec_i count by 8 mov dest1, [dest] mov dest2, [dest + 8] cmp len, 96 jl .len_lt_96 .loop96: ENCODE_96B_2 add pos, 96 ;; Loop on 96 bytes at a time first sub len, 96 cmp len, 96 jge .loop96 .len_lt_96: cmp len, 64 jl .len_lt_64 ENCODE_64B_2 add pos, 64 ;; encode next 64 bytes sub len, 64 .len_lt_64: cmp len, 32 jl .len_lt_32 ENCODE_32B_2 add pos, 32 ;; encode next 32 bytes sub len, 32 .len_lt_32: cmp len, 0 jle .exit ENCODE_LT_32B_2 len ;; encode remaining bytes .exit: vzeroupper FUNC_RESTORE ret endproc_frame %endif ; if AS_FEATURE_LEVEL >= 10