added sgemv_n microkernel for haswell
This commit is contained in:
wernsaar
parent
5392d11b04
commit
6acbafe45b
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@ -1,8 +1,8 @@
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ifdef OS_WINDOWS
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ifdef OS_WINDOWS
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#SGEMVNKERNEL = ../arm/gemv_n.c
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SGEMVNKERNEL = ../arm/gemv_n.c
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SGEMVTKERNEL = ../arm/gemv_t.c
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SGEMVTKERNEL = ../arm/gemv_t.c
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else
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else
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#SGEMVNKERNEL = sgemv_n_avx.c
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SGEMVNKERNEL = sgemv_n_avx.c
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SGEMVTKERNEL = sgemv_t_avx.c
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SGEMVTKERNEL = sgemv_t_avx.c
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endif
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endif
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@ -30,6 +30,8 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#if defined(BULLDOZER) || defined(PILEDRIVER)
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#if defined(BULLDOZER) || defined(PILEDRIVER)
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#include "sgemv_n_microk_bulldozer.c"
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#include "sgemv_n_microk_bulldozer.c"
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#elif defined(HASWELL)
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#include "sgemv_n_microk_haswell.c"
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#else
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#else
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#include "sgemv_n_microk_sandy.c"
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#include "sgemv_n_microk_sandy.c"
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#endif
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#endif
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@ -0,0 +1,461 @@
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/***************************************************************************
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Copyright (c) 2014, The OpenBLAS Project
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All rights reserved.
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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 are
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met:
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1. 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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2. 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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3. Neither the name of the OpenBLAS project nor the names of
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its contributors may be used to endorse or promote products
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derived from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE OPENBLAS PROJECT OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
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USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*****************************************************************************/
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static void sgemv_kernel_64( long n, float alpha, float *a, long lda, float *x, float *y)
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{
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float *pre = a + lda*2;
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__asm__ __volatile__
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(
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"movq %0, %%rax\n\t" // n -> rax
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"vbroadcastss %1, %%ymm1\n\t" // alpha -> ymm1
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"movq %2, %%rsi\n\t" // adress of a -> rsi
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"movq %3, %%rcx\n\t" // value of lda > rcx
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"movq %4, %%rdi\n\t" // adress of x -> rdi
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"movq %5, %%rdx\n\t" // adress of y -> rdx
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"movq %6, %%r8\n\t" // address for prefetch
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"prefetcht0 (%%r8)\n\t" // Prefetch
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"prefetcht0 64(%%r8)\n\t" // Prefetch
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"vxorps %%ymm8 , %%ymm8 , %%ymm8 \n\t" // set to zero
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"vxorps %%ymm9 , %%ymm9 , %%ymm9 \n\t" // set to zero
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"vxorps %%ymm10, %%ymm10, %%ymm10\n\t" // set to zero
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"vxorps %%ymm11, %%ymm11, %%ymm11\n\t" // set to zero
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"vxorps %%ymm12, %%ymm12, %%ymm12\n\t" // set to zero
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"vxorps %%ymm13, %%ymm13, %%ymm13\n\t" // set to zero
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"vxorps %%ymm14, %%ymm14, %%ymm14\n\t" // set to zero
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"vxorps %%ymm15, %%ymm15, %%ymm15\n\t" // set to zero
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".align 16 \n\t"
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".L01LOOP%=: \n\t"
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"vbroadcastss (%%rdi), %%ymm0 \n\t" // load values of c
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"leaq (%%r8 , %%rcx, 4), %%r8 \n\t" // add lda to pointer for prefetch
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"prefetcht0 (%%r8)\n\t" // Prefetch
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"vfmadd231ps 0*4(%%rsi), %%ymm0, %%ymm8 \n\t" // multiply a and c and add to temp
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"vfmadd231ps 8*4(%%rsi), %%ymm0, %%ymm9 \n\t" // multiply a and c and add to temp
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"prefetcht0 64(%%r8)\n\t" // Prefetch
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"vfmadd231ps 16*4(%%rsi), %%ymm0, %%ymm10\n\t" // multiply a and c and add to temp
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"vfmadd231ps 24*4(%%rsi), %%ymm0, %%ymm11\n\t" // multiply a and c and add to temp
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"prefetcht0 128(%%r8)\n\t" // Prefetch
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"vfmadd231ps 32*4(%%rsi), %%ymm0, %%ymm12\n\t" // multiply a and c and add to temp
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"vfmadd231ps 40*4(%%rsi), %%ymm0, %%ymm13\n\t" // multiply a and c and add to temp
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"prefetcht0 192(%%r8)\n\t" // Prefetch
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"vfmadd231ps 48*4(%%rsi), %%ymm0, %%ymm14\n\t" // multiply a and c and add to temp
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"vfmadd231ps 56*4(%%rsi), %%ymm0, %%ymm15\n\t" // multiply a and c and add to temp
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"addq $4 , %%rdi \n\t" // increment pointer of c
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"leaq (%%rsi, %%rcx, 4), %%rsi \n\t" // add lda to pointer of a
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"dec %%rax \n\t" // n = n -1
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"jnz .L01LOOP%= \n\t"
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"vmulps %%ymm8 , %%ymm1, %%ymm8 \n\t" // scale by alpha
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"vmulps %%ymm9 , %%ymm1, %%ymm9 \n\t" // scale by alpha
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"vmulps %%ymm10, %%ymm1, %%ymm10\n\t" // scale by alpha
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"vmulps %%ymm11, %%ymm1, %%ymm11\n\t" // scale by alpha
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"vmulps %%ymm12, %%ymm1, %%ymm12\n\t" // scale by alpha
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"vmulps %%ymm13, %%ymm1, %%ymm13\n\t" // scale by alpha
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"vmulps %%ymm14, %%ymm1, %%ymm14\n\t" // scale by alpha
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"vmulps %%ymm15, %%ymm1, %%ymm15\n\t" // scale by alpha
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"vmovups %%ymm8 , (%%rdx) \n\t" // store temp -> y
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"vmovups %%ymm9 , 8*4(%%rdx) \n\t" // store temp -> y
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"vmovups %%ymm10, 16*4(%%rdx) \n\t" // store temp -> y
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"vmovups %%ymm11, 24*4(%%rdx) \n\t" // store temp -> y
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"vmovups %%ymm12, 32*4(%%rdx) \n\t" // store temp -> y
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"vmovups %%ymm13, 40*4(%%rdx) \n\t" // store temp -> y
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"vmovups %%ymm14, 48*4(%%rdx) \n\t" // store temp -> y
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"vmovups %%ymm15, 56*4(%%rdx) \n\t" // store temp -> y
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:
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:
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"m" (n), // 0
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"m" (alpha), // 1
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"m" (a), // 2
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"m" (lda), // 3
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"m" (x), // 4
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"m" (y), // 5
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"m" (pre) // 6
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: "%rax", "%rcx", "%rdx", "%rsi", "%rdi", "%r8", "cc",
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"%xmm0", "%xmm1",
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"%xmm4", "%xmm5", "%xmm6", "%xmm7",
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"%xmm8", "%xmm9", "%xmm10", "%xmm11",
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"%xmm12", "%xmm13", "%xmm14", "%xmm15",
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"memory"
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);
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}
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static void sgemv_kernel_32( long n, float alpha, float *a, long lda, float *x, float *y)
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{
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float *pre = a + lda*3;
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__asm__ __volatile__
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(
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"movq %0, %%rax\n\t" // n -> rax
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"vbroadcastss %1, %%ymm1\n\t" // alpha -> ymm1
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"movq %2, %%rsi\n\t" // adress of a -> rsi
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"movq %3, %%rcx\n\t" // value of lda > rcx
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"movq %4, %%rdi\n\t" // adress of x -> rdi
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"movq %5, %%rdx\n\t" // adress of y -> rdx
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"movq %6, %%r8\n\t" // address for prefetch
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"prefetcht0 (%%r8)\n\t" // Prefetch
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"prefetcht0 64(%%r8)\n\t" // Prefetch
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"vxorps %%ymm8 , %%ymm8 , %%ymm8 \n\t" // set to zero
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"vxorps %%ymm9 , %%ymm9 , %%ymm9 \n\t" // set to zero
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"vxorps %%ymm10, %%ymm10, %%ymm10\n\t" // set to zero
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"vxorps %%ymm11, %%ymm11, %%ymm11\n\t" // set to zero
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".align 16 \n\t"
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".L01LOOP%=: \n\t"
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"vbroadcastss (%%rdi), %%ymm0 \n\t" // load values of c
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"nop \n\t"
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"leaq (%%r8 , %%rcx, 4), %%r8 \n\t" // add lda to pointer for prefetch
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"prefetcht0 (%%r8)\n\t" // Prefetch
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"prefetcht0 64(%%r8)\n\t" // Prefetch
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"vmulps 0*4(%%rsi), %%ymm0, %%ymm4 \n\t" // multiply a and c and add to temp
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"vmulps 8*4(%%rsi), %%ymm0, %%ymm5 \n\t" // multiply a and c and add to temp
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"vmulps 16*4(%%rsi), %%ymm0, %%ymm6 \n\t" // multiply a and c and add to temp
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"vmulps 24*4(%%rsi), %%ymm0, %%ymm7 \n\t" // multiply a and c and add to temp
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"vaddps %%ymm8 , %%ymm4, %%ymm8 \n\t" // multiply a and c and add to temp
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"vaddps %%ymm9 , %%ymm5, %%ymm9 \n\t" // multiply a and c and add to temp
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"vaddps %%ymm10, %%ymm6, %%ymm10\n\t" // multiply a and c and add to temp
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"vaddps %%ymm11, %%ymm7, %%ymm11\n\t" // multiply a and c and add to temp
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"addq $4 , %%rdi \n\t" // increment pointer of c
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"leaq (%%rsi, %%rcx, 4), %%rsi \n\t" // add lda to pointer of a
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"dec %%rax \n\t" // n = n -1
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"jnz .L01LOOP%= \n\t"
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"vmulps %%ymm8 , %%ymm1, %%ymm8 \n\t" // scale by alpha
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"vmulps %%ymm9 , %%ymm1, %%ymm9 \n\t" // scale by alpha
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"vmulps %%ymm10, %%ymm1, %%ymm10\n\t" // scale by alpha
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"vmulps %%ymm11, %%ymm1, %%ymm11\n\t" // scale by alpha
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"vmovups %%ymm8 , (%%rdx) \n\t" // store temp -> y
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"vmovups %%ymm9 , 8*4(%%rdx) \n\t" // store temp -> y
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"vmovups %%ymm10, 16*4(%%rdx) \n\t" // store temp -> y
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"vmovups %%ymm11, 24*4(%%rdx) \n\t" // store temp -> y
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:
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:
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"m" (n), // 0
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"m" (alpha), // 1
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"m" (a), // 2
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"m" (lda), // 3
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"m" (x), // 4
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"m" (y), // 5
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"m" (pre) // 6
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: "%rax", "%rcx", "%rdx", "%rsi", "%rdi", "%r8", "cc",
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"%xmm0", "%xmm1",
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"%xmm4", "%xmm5", "%xmm6", "%xmm7",
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"%xmm8", "%xmm9", "%xmm10", "%xmm11",
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"memory"
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);
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}
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static void sgemv_kernel_16( long n, float alpha, float *a, long lda, float *x, float *y)
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{
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float *pre = a + lda*3;
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__asm__ __volatile__
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(
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"movq %0, %%rax\n\t" // n -> rax
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"vbroadcastss %1, %%ymm1\n\t" // alpha -> ymm1
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"movq %2, %%rsi\n\t" // adress of a -> rsi
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"movq %3, %%rcx\n\t" // value of lda > rcx
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"movq %4, %%rdi\n\t" // adress of x -> rdi
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"movq %5, %%rdx\n\t" // adress of y -> rdx
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"movq %6, %%r8\n\t" // address for prefetch
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"prefetcht0 (%%r8)\n\t" // Prefetch
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"prefetcht0 64(%%r8)\n\t" // Prefetch
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"vxorps %%ymm8 , %%ymm8 , %%ymm8 \n\t" // set to zero
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"vxorps %%ymm9 , %%ymm9 , %%ymm9 \n\t" // set to zero
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".align 16 \n\t"
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".L01LOOP%=: \n\t"
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"vbroadcastss (%%rdi), %%ymm0 \n\t" // load values of c
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"nop \n\t"
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"leaq (%%r8 , %%rcx, 4), %%r8 \n\t" // add lda to pointer for prefetch
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"prefetcht0 (%%r8)\n\t" // Prefetch
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"vmulps 0*4(%%rsi), %%ymm0, %%ymm4 \n\t" // multiply a and c and add to temp
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"vmulps 8*4(%%rsi), %%ymm0, %%ymm5 \n\t" // multiply a and c and add to temp
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"vaddps %%ymm8 , %%ymm4, %%ymm8 \n\t" // multiply a and c and add to temp
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"vaddps %%ymm9 , %%ymm5, %%ymm9 \n\t" // multiply a and c and add to temp
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"addq $4 , %%rdi \n\t" // increment pointer of c
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"leaq (%%rsi, %%rcx, 4), %%rsi \n\t" // add lda to pointer of a
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"dec %%rax \n\t" // n = n -1
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"jnz .L01LOOP%= \n\t"
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"vmulps %%ymm8 , %%ymm1, %%ymm8 \n\t" // scale by alpha
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"vmulps %%ymm9 , %%ymm1, %%ymm9 \n\t" // scale by alpha
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"vmovups %%ymm8 , (%%rdx) \n\t" // store temp -> y
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"vmovups %%ymm9 , 8*4(%%rdx) \n\t" // store temp -> y
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:
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:
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"m" (n), // 0
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"m" (alpha), // 1
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"m" (a), // 2
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"m" (lda), // 3
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"m" (x), // 4
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"m" (y), // 5
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"m" (pre) // 6
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: "%rax", "%rcx", "%rdx", "%rsi", "%rdi", "%r8", "cc",
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"%xmm0", "%xmm1",
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"%xmm4", "%xmm5", "%xmm6", "%xmm7",
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"%xmm8", "%xmm9", "%xmm10", "%xmm11",
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"memory"
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);
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}
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static void sgemv_kernel_8( long n, float alpha, float *a, long lda, float *x, float *y)
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{
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__asm__ __volatile__
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(
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"movq %0, %%rax\n\t" // n -> rax
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"vbroadcastss %1, %%ymm1\n\t" // alpha -> ymm1
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"movq %2, %%rsi\n\t" // adress of a -> rsi
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"movq %3, %%rcx\n\t" // value of lda > rcx
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"movq %4, %%rdi\n\t" // adress of x -> rdi
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"movq %5, %%rdx\n\t" // adress of y -> rdx
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"vxorps %%ymm8 , %%ymm8 , %%ymm8 \n\t" // set to zero
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".align 16 \n\t"
|
||||||
|
".L01LOOP%=: \n\t"
|
||||||
|
"vbroadcastss (%%rdi), %%ymm0 \n\t" // load values of c
|
||||||
|
|
||||||
|
"vmulps 0*4(%%rsi), %%ymm0, %%ymm4 \n\t" // multiply a and c and add to temp
|
||||||
|
"vaddps %%ymm8 , %%ymm4, %%ymm8 \n\t" // multiply a and c and add to temp
|
||||||
|
|
||||||
|
"addq $4 , %%rdi \n\t" // increment pointer of c
|
||||||
|
"leaq (%%rsi, %%rcx, 4), %%rsi \n\t" // add lda to pointer of a
|
||||||
|
|
||||||
|
"dec %%rax \n\t" // n = n -1
|
||||||
|
"jnz .L01LOOP%= \n\t"
|
||||||
|
|
||||||
|
"vmulps %%ymm8 , %%ymm1, %%ymm8 \n\t" // scale by alpha
|
||||||
|
"vmovups %%ymm8 , (%%rdx) \n\t" // store temp -> y
|
||||||
|
|
||||||
|
:
|
||||||
|
:
|
||||||
|
"m" (n), // 0
|
||||||
|
"m" (alpha), // 1
|
||||||
|
"m" (a), // 2
|
||||||
|
"m" (lda), // 3
|
||||||
|
"m" (x), // 4
|
||||||
|
"m" (y) // 5
|
||||||
|
: "%rax", "%rcx", "%rdx", "%rsi", "%rdi", "%r8", "cc",
|
||||||
|
"%xmm0", "%xmm1",
|
||||||
|
"%xmm4", "%xmm5", "%xmm6", "%xmm7",
|
||||||
|
"%xmm8", "%xmm9", "%xmm10", "%xmm11",
|
||||||
|
"memory"
|
||||||
|
);
|
||||||
|
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
static void sgemv_kernel_4( long n, float alpha, float *a, long lda, float *x, float *y)
|
||||||
|
{
|
||||||
|
|
||||||
|
|
||||||
|
__asm__ __volatile__
|
||||||
|
(
|
||||||
|
"movq %0, %%rax\n\t" // n -> rax
|
||||||
|
"vbroadcastss %1, %%xmm1\n\t" // alpha -> xmm1
|
||||||
|
"movq %2, %%rsi\n\t" // adress of a -> rsi
|
||||||
|
"movq %3, %%rcx\n\t" // value of lda > rcx
|
||||||
|
"movq %4, %%rdi\n\t" // adress of x -> rdi
|
||||||
|
"movq %5, %%rdx\n\t" // adress of y -> rdx
|
||||||
|
|
||||||
|
"vxorps %%xmm12, %%xmm12, %%xmm12\n\t" // set to zero
|
||||||
|
|
||||||
|
".L01LOOP%=: \n\t"
|
||||||
|
"vbroadcastss (%%rdi), %%xmm0 \n\t" // load values of c
|
||||||
|
|
||||||
|
"vmulps 0*4(%%rsi), %%xmm0, %%xmm4 \n\t" // multiply a and c and add to temp
|
||||||
|
"vaddps %%xmm12, %%xmm4, %%xmm12 \n\t" // multiply a and c and add to temp
|
||||||
|
|
||||||
|
"addq $4 , %%rdi \n\t" // increment pointer of c
|
||||||
|
"leaq (%%rsi, %%rcx, 4), %%rsi \n\t" // add lda to pointer of a
|
||||||
|
|
||||||
|
"dec %%rax \n\t" // n = n -1
|
||||||
|
"jnz .L01LOOP%= \n\t"
|
||||||
|
|
||||||
|
"vmulps %%xmm12, %%xmm1, %%xmm12\n\t" // scale by alpha
|
||||||
|
|
||||||
|
"vmovups %%xmm12, (%%rdx) \n\t" // store temp -> y
|
||||||
|
|
||||||
|
:
|
||||||
|
:
|
||||||
|
"m" (n), // 0
|
||||||
|
"m" (alpha), // 1
|
||||||
|
"m" (a), // 2
|
||||||
|
"m" (lda), // 3
|
||||||
|
"m" (x), // 4
|
||||||
|
"m" (y) // 5
|
||||||
|
: "%rax", "%rcx", "%rdx", "%rsi", "%rdi", "%r8",
|
||||||
|
"%xmm0", "%xmm1",
|
||||||
|
"%xmm8", "%xmm9", "%xmm10", "%xmm11",
|
||||||
|
"%xmm12", "%xmm13", "%xmm14", "%xmm15",
|
||||||
|
"memory"
|
||||||
|
);
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
static void sgemv_kernel_2( long n, float alpha, float *a, long lda, float *x, float *y)
|
||||||
|
{
|
||||||
|
|
||||||
|
|
||||||
|
__asm__ __volatile__
|
||||||
|
(
|
||||||
|
"movq %0, %%rax\n\t" // n -> rax
|
||||||
|
"vmovss %1, %%xmm1\n\t" // alpha -> xmm1
|
||||||
|
"movq %2, %%rsi\n\t" // adress of a -> rsi
|
||||||
|
"movq %3, %%rcx\n\t" // value of lda > rcx
|
||||||
|
"movq %4, %%rdi\n\t" // adress of x -> rdi
|
||||||
|
"movq %5, %%rdx\n\t" // adress of y -> rdx
|
||||||
|
|
||||||
|
"vxorps %%xmm12, %%xmm12, %%xmm12\n\t" // set to zero
|
||||||
|
"vxorps %%xmm13, %%xmm13, %%xmm13\n\t" // set to zero
|
||||||
|
|
||||||
|
".L01LOOP%=: \n\t"
|
||||||
|
"vmovss (%%rdi), %%xmm0 \n\t" // load values of c
|
||||||
|
|
||||||
|
"vmulps 0*4(%%rsi), %%xmm0, %%xmm4 \n\t" // multiply a and c and add to temp
|
||||||
|
"vmulps 1*4(%%rsi), %%xmm0, %%xmm5 \n\t" // multiply a and c and add to temp
|
||||||
|
|
||||||
|
"vaddps %%xmm12, %%xmm4, %%xmm12 \n\t" // multiply a and c and add to temp
|
||||||
|
"vaddps %%xmm13, %%xmm5, %%xmm13 \n\t" // multiply a and c and add to temp
|
||||||
|
|
||||||
|
"addq $4 , %%rdi \n\t" // increment pointer of c
|
||||||
|
"leaq (%%rsi, %%rcx, 4), %%rsi \n\t" // add lda to pointer of a
|
||||||
|
|
||||||
|
"dec %%rax \n\t" // n = n -1
|
||||||
|
"jnz .L01LOOP%= \n\t"
|
||||||
|
|
||||||
|
"vmulss %%xmm12, %%xmm1, %%xmm12\n\t" // scale by alpha
|
||||||
|
"vmulss %%xmm13, %%xmm1, %%xmm13\n\t" // scale by alpha
|
||||||
|
|
||||||
|
"vmovss %%xmm12, (%%rdx) \n\t" // store temp -> y
|
||||||
|
"vmovss %%xmm13, 4(%%rdx) \n\t" // store temp -> y
|
||||||
|
|
||||||
|
:
|
||||||
|
:
|
||||||
|
"m" (n), // 0
|
||||||
|
"m" (alpha), // 1
|
||||||
|
"m" (a), // 2
|
||||||
|
"m" (lda), // 3
|
||||||
|
"m" (x), // 4
|
||||||
|
"m" (y) // 5
|
||||||
|
: "%rax", "%rcx", "%rdx", "%rsi", "%rdi", "%r8",
|
||||||
|
"%xmm0", "%xmm1",
|
||||||
|
"%xmm8", "%xmm9", "%xmm10", "%xmm11",
|
||||||
|
"%xmm12", "%xmm13", "%xmm14", "%xmm15",
|
||||||
|
"memory"
|
||||||
|
);
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
static void sgemv_kernel_1( long n, float alpha, float *a, long lda, float *x, float *y)
|
||||||
|
{
|
||||||
|
|
||||||
|
|
||||||
|
__asm__ __volatile__
|
||||||
|
(
|
||||||
|
"movq %0, %%rax\n\t" // n -> rax
|
||||||
|
"vmovss %1, %%xmm1\n\t" // alpha -> xmm1
|
||||||
|
"movq %2, %%rsi\n\t" // adress of a -> rsi
|
||||||
|
"movq %3, %%rcx\n\t" // value of lda > rcx
|
||||||
|
"movq %4, %%rdi\n\t" // adress of x -> rdi
|
||||||
|
"movq %5, %%rdx\n\t" // adress of y -> rdx
|
||||||
|
|
||||||
|
"vxorps %%xmm12, %%xmm12, %%xmm12\n\t" // set to zero
|
||||||
|
|
||||||
|
".L01LOOP%=: \n\t"
|
||||||
|
"vmovss (%%rdi), %%xmm0 \n\t" // load values of c
|
||||||
|
"addq $4 , %%rdi \n\t" // increment pointer of c
|
||||||
|
|
||||||
|
"vmulss 0*4(%%rsi), %%xmm0, %%xmm4 \n\t" // multiply a and c and add to temp
|
||||||
|
"vaddss %%xmm12, %%xmm4, %%xmm12 \n\t" // multiply a and c and add to temp
|
||||||
|
|
||||||
|
"leaq (%%rsi, %%rcx, 4), %%rsi \n\t" // add lda to pointer of a
|
||||||
|
|
||||||
|
"dec %%rax \n\t" // n = n -1
|
||||||
|
"jnz .L01LOOP%= \n\t"
|
||||||
|
|
||||||
|
"vmulss %%xmm12, %%xmm1, %%xmm12\n\t" // scale by alpha
|
||||||
|
|
||||||
|
"vmovss %%xmm12, (%%rdx) \n\t" // store temp -> y
|
||||||
|
|
||||||
|
:
|
||||||
|
:
|
||||||
|
"m" (n), // 0
|
||||||
|
"m" (alpha), // 1
|
||||||
|
"m" (a), // 2
|
||||||
|
"m" (lda), // 3
|
||||||
|
"m" (x), // 4
|
||||||
|
"m" (y) // 5
|
||||||
|
: "%rax", "%rcx", "%rdx", "%rsi", "%rdi", "%r8",
|
||||||
|
"%xmm0", "%xmm1",
|
||||||
|
"%xmm8", "%xmm9", "%xmm10", "%xmm11",
|
||||||
|
"%xmm12", "%xmm13", "%xmm14", "%xmm15",
|
||||||
|
"memory"
|
||||||
|
);
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
Loading…
Reference in New Issue