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375 lines
10 KiB
375 lines
10 KiB
10 years ago
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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; Copyright(c) 2011-2014 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_dot_prod_avx2(len, vec, *g_tbls, **buffs, **dests);
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;;;
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;;; Author: Gregory Tucker
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10 years ago
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%ifidn __OUTPUT_FORMAT__, macho64
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%define GF_6VECT_DOT_PROD_AVX2 _gf_6vect_dot_prod_avx2
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%else
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%define GF_6VECT_DOT_PROD_AVX2 gf_6vect_dot_prod_avx2
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%endif
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%ifidn __OUTPUT_FORMAT__, elf64
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%define arg0 rdi
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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 r13 ; must be saved and restored
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%define tmp4 r12 ; must be saved and restored
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%define tmp5 r14 ; must be saved and restored
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%define tmp6 r15 ; must be saved and restored
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%define return rax
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%define PS 8
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%define LOG_PS 3
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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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push r13
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push r14
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push r15
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%endmacro
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%macro FUNC_RESTORE 0
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pop r15
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pop r14
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pop r13
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pop r12
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%endmacro
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%endif
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%ifidn __OUTPUT_FORMAT__, macho64
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%define arg0 rdi
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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 r13 ; must be saved and restored
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%define tmp4 r12 ; must be saved and restored
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%define tmp5 r14 ; must be saved and restored
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%define tmp6 r15 ; must be saved and restored
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%define return rax
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%define PS 8
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%define LOG_PS 3
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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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push r13
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push r14
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push r15
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%endmacro
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%macro FUNC_RESTORE 0
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pop r15
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pop r14
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pop r13
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pop r12
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%endmacro
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%endif
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%ifidn __OUTPUT_FORMAT__, win64
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%define arg0 rcx
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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 ; must be saved, loaded and restored
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%define arg5 r15 ; must be saved and restored
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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 ; must be saved and restored
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%define tmp4 r14 ; must be saved and restored
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%define tmp5 rdi ; must be saved and restored
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%define tmp6 rsi ; must be saved and restored
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%define return rax
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%define PS 8
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%define LOG_PS 3
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%define stack_size 10*16 + 7*8 ; must be an odd multiple of 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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alloc_stack stack_size
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vmovdqa [rsp + 0*16], xmm6
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vmovdqa [rsp + 1*16], xmm7
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vmovdqa [rsp + 2*16], xmm8
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vmovdqa [rsp + 3*16], xmm9
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vmovdqa [rsp + 4*16], xmm10
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vmovdqa [rsp + 5*16], xmm11
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vmovdqa [rsp + 6*16], xmm12
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vmovdqa [rsp + 7*16], xmm13
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vmovdqa [rsp + 8*16], xmm14
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vmovdqa [rsp + 9*16], 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 r14, 10*16 + 2*8
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save_reg r15, 10*16 + 3*8
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save_reg rdi, 10*16 + 4*8
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save_reg rsi, 10*16 + 5*8
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end_prolog
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mov arg4, arg(4)
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%endmacro
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%macro FUNC_RESTORE 0
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vmovdqa xmm6, [rsp + 0*16]
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vmovdqa xmm7, [rsp + 1*16]
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vmovdqa xmm8, [rsp + 2*16]
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vmovdqa xmm9, [rsp + 3*16]
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vmovdqa xmm10, [rsp + 4*16]
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vmovdqa xmm11, [rsp + 5*16]
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vmovdqa xmm12, [rsp + 6*16]
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vmovdqa xmm13, [rsp + 7*16]
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vmovdqa xmm14, [rsp + 8*16]
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vmovdqa xmm15, [rsp + 9*16]
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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 r14, [rsp + 10*16 + 2*8]
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mov r15, [rsp + 10*16 + 3*8]
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mov rdi, [rsp + 10*16 + 4*8]
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mov rsi, [rsp + 10*16 + 5*8]
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add rsp, stack_size
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%endmacro
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%endif
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%define len arg0
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%define vec arg1
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%define mul_array arg2
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%define src arg3
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%define dest arg4
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%define ptr arg5
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%define vec_i tmp2
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%define dest1 tmp3
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%define dest2 tmp4
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%define vskip1 tmp5
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%define vskip3 tmp6
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%define pos return
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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 xgft1_hi ymm13
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%define xgft2_lo ymm12
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%define xgft2_hi ymm11
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%define xgft3_lo ymm10
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%define xgft3_hi ymm9
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%define x0 ymm0
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%define xtmpa ymm1
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%define xp1 ymm2
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%define xp2 ymm3
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%define xp3 ymm4
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%define xp4 ymm5
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%define xp5 ymm6
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%define xp6 ymm7
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align 16
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global gf_6vect_dot_prod_avx2:function
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func(gf_6vect_dot_prod_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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mov vskip1, vec
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imul vskip1, 32
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mov vskip3, vec
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imul vskip3, 96
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sal vec, LOG_PS ;vec *= PS. Make vec_i count by PS
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mov dest1, [dest]
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mov dest2, [dest+PS]
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.loop32:
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mov tmp, mul_array
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xor vec_i, vec_i
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vpxor xp1, xp1
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vpxor xp2, xp2
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vpxor xp3, xp3
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vpxor xp4, xp4
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vpxor xp5, xp5
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vpxor xp6, xp6
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.next_vect:
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mov ptr, [src+vec_i]
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XLDR x0, [ptr+pos] ;Get next source vector
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add vec_i, PS
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vpand xgft3_lo, 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, xgft3_lo, x0, 0x30 ;swap xtmpa from 1lo|2lo to 1lo|2hi
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vperm2i128 x0, xgft3_lo, x0, 0x12 ;swap x0 from 1hi|2hi to 1hi|2lo
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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+vskip1*1] ;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+vskip1*2] ;Load array Cx{00}, Cx{01}, ..., Cx{0f}
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; " Cx{00}, Cx{10}, ..., Cx{f0}
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lea ptr, [vskip1 + vskip1*4] ;ptr = vskip5
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vperm2i128 xgft1_hi, xgft1_lo, xgft1_lo, 0x01 ; swapped to hi | lo
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vperm2i128 xgft2_hi, xgft2_lo, xgft2_lo, 0x01 ; swapped to hi | lo
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vperm2i128 xgft3_hi, xgft3_lo, xgft3_lo, 0x01 ; swapped to hi | lo
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vpshufb xgft1_hi, x0 ;Lookup mul table of high nibble
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vpshufb xgft1_lo, xtmpa ;Lookup mul table of low nibble
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vpxor xgft1_hi, xgft1_lo ;GF add high and low partials
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vpxor xp1, xgft1_hi ;xp1 += partial
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vpshufb xgft2_hi, x0 ;Lookup mul table of high nibble
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vpshufb xgft2_lo, xtmpa ;Lookup mul table of low nibble
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vpxor xgft2_hi, xgft2_lo ;GF add high and low partials
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vpxor xp2, xgft2_hi ;xp2 += partial
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vpshufb xgft3_hi, x0 ;Lookup mul table of high nibble
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vpshufb xgft3_lo, xtmpa ;Lookup mul table of low nibble
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vpxor xgft3_hi, xgft3_lo ;GF add high and low partials
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vpxor xp3, xgft3_hi ;xp3 += partial
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vmovdqu xgft1_lo, [tmp+vskip3] ;Load array Dx{00}, Dx{01}, ..., Dx{0f}
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; " Dx{00}, Dx{10}, ..., Dx{f0}
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vmovdqu xgft2_lo, [tmp+vskip1*4] ;Load array Ex{00}, Ex{01}, ..., Ex{0f}
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; " Ex{00}, Ex{10}, ..., Ex{f0}
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vmovdqu xgft3_lo, [tmp+ptr] ;Load array Fx{00}, Fx{01}, ..., Fx{0f}
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; " Fx{00}, Fx{10}, ..., Fx{f0}
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add tmp, 32
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vperm2i128 xgft1_hi, xgft1_lo, xgft1_lo, 0x01 ; swapped to hi | lo
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vperm2i128 xgft2_hi, xgft2_lo, xgft2_lo, 0x01 ; swapped to hi | lo
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vperm2i128 xgft3_hi, xgft3_lo, xgft3_lo, 0x01 ; swapped to hi | lo
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vpshufb xgft1_hi, x0 ;Lookup mul table of high nibble
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vpshufb xgft1_lo, xtmpa ;Lookup mul table of low nibble
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vpxor xgft1_hi, xgft1_lo ;GF add high and low partials
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vpxor xp4, xgft1_hi ;xp4 += partial
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vpshufb xgft2_hi, x0 ;Lookup mul table of high nibble
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vpshufb xgft2_lo, xtmpa ;Lookup mul table of low nibble
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vpxor xgft2_hi, xgft2_lo ;GF add high and low partials
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vpxor xp5, xgft2_hi ;xp5 += partial
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vpshufb xgft3_hi, x0 ;Lookup mul table of high nibble
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vpshufb xgft3_lo, xtmpa ;Lookup mul table of low nibble
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vpxor xgft3_hi, xgft3_lo ;GF add high and low partials
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vpxor xp6, xgft3_hi ;xp6 += partial
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cmp vec_i, vec
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jl .next_vect
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mov tmp, [dest+2*PS]
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mov ptr, [dest+3*PS]
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mov vec_i, [dest+4*PS]
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XSTR [dest1+pos], xp1
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XSTR [dest2+pos], xp2
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XSTR [tmp+pos], xp3
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|
|
mov tmp, [dest+5*PS]
|
||
|
|
XSTR [ptr+pos], xp4
|
||
|
|
XSTR [vec_i+pos], xp5
|
||
|
|
XSTR [tmp+pos], xp6
|
||
|
|
|
||
|
|
add pos, 32 ;Loop on 32 bytes at a time
|
||
|
|
cmp pos, len
|
||
|
|
jle .loop32
|
||
|
|
|
||
|
|
lea tmp, [len + 32]
|
||
|
|
cmp pos, tmp
|
||
|
|
je .return_pass
|
||
|
|
|
||
|
|
;; Tail len
|
||
|
|
mov pos, len ;Overlapped offset length-16
|
||
|
|
jmp .loop32 ;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
|
||
|
|
|
||
|
|
%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_dot_prod_avx2, 04, 03, 019a
|