270 lines
9.8 KiB
C
270 lines
9.8 KiB
C
/***************************************************************************
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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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#define HAVE_KERNEL_4x8 1
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static void sgemv_kernel_4x8( BLASLONG n, FLOAT **ap, FLOAT *x, FLOAT *y, BLASLONG lda4, FLOAT *alpha) __attribute__ ((noinline));
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static void sgemv_kernel_4x8( BLASLONG n, FLOAT **ap, FLOAT *x, FLOAT *y, BLASLONG lda4, FLOAT *alpha)
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{
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BLASLONG register i = 0;
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__asm__ __volatile__
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(
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"vbroadcastss (%3), %%xmm12 \n\t" // x0
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"vbroadcastss 4(%3), %%xmm13 \n\t" // x1
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"vbroadcastss 8(%3), %%xmm14 \n\t" // x2
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"vbroadcastss 12(%3), %%xmm15 \n\t" // x3
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"vbroadcastss 16(%3), %%xmm0 \n\t" // x4
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"vbroadcastss 20(%3), %%xmm1 \n\t" // x5
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"vbroadcastss 24(%3), %%xmm2 \n\t" // x6
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"vbroadcastss 28(%3), %%xmm3 \n\t" // x7
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"vbroadcastss (%9), %%xmm8 \n\t" // alpha
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"testq $0x04, %1 \n\t"
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"jz 2f \n\t"
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"vxorps %%xmm4, %%xmm4 , %%xmm4 \n\t"
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"vxorps %%xmm5, %%xmm5 , %%xmm5 \n\t"
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"vfmaddps %%xmm4, (%5,%0,4), %%xmm12, %%xmm4 \n\t"
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"vfmaddps %%xmm5, (%6,%0,4), %%xmm13, %%xmm5 \n\t"
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"vfmaddps %%xmm4, (%7,%0,4), %%xmm14, %%xmm4 \n\t"
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"vfmaddps %%xmm5, (%8,%0,4), %%xmm15, %%xmm5 \n\t"
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"addq $4 , %0 \n\t"
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"vfmaddps %%xmm4, (%5,%2,4), %%xmm0 , %%xmm4 \n\t"
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"vfmaddps %%xmm5, (%6,%2,4), %%xmm1 , %%xmm5 \n\t"
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"vfmaddps %%xmm4, (%7,%2,4), %%xmm2 , %%xmm4 \n\t"
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"vfmaddps %%xmm5, (%8,%2,4), %%xmm3 , %%xmm5 \n\t"
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"addq $4 , %2 \n\t"
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"vaddps %%xmm5 , %%xmm4, %%xmm4 \n\t"
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"vfmaddps -16(%4,%0,4) , %%xmm4, %%xmm8,%%xmm6 \n\t"
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"subq $4 , %1 \n\t"
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"vmovups %%xmm6, -16(%4,%0,4) \n\t" // 4 * y
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"2: \n\t"
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"testq $0x08, %1 \n\t"
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"jz 3f \n\t"
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"vxorps %%xmm4, %%xmm4 , %%xmm4 \n\t"
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"vxorps %%xmm5, %%xmm5 , %%xmm5 \n\t"
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"vfmaddps %%xmm4, (%5,%0,4), %%xmm12, %%xmm4 \n\t"
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"vfmaddps %%xmm5, 16(%5,%0,4), %%xmm12, %%xmm5 \n\t"
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"vfmaddps %%xmm4, (%6,%0,4), %%xmm13, %%xmm4 \n\t"
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"vfmaddps %%xmm5, 16(%6,%0,4), %%xmm13, %%xmm5 \n\t"
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"vfmaddps %%xmm4, (%7,%0,4), %%xmm14, %%xmm4 \n\t"
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"vfmaddps %%xmm5, 16(%7,%0,4), %%xmm14, %%xmm5 \n\t"
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"vfmaddps %%xmm4, (%8,%0,4), %%xmm15, %%xmm4 \n\t"
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"vfmaddps %%xmm5, 16(%8,%0,4), %%xmm15, %%xmm5 \n\t"
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"vfmaddps %%xmm4, (%5,%2,4), %%xmm0 , %%xmm4 \n\t"
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"vfmaddps %%xmm5, 16(%5,%2,4), %%xmm0 , %%xmm5 \n\t"
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"vfmaddps %%xmm4, (%6,%2,4), %%xmm1 , %%xmm4 \n\t"
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"vfmaddps %%xmm5, 16(%6,%2,4), %%xmm1 , %%xmm5 \n\t"
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"vfmaddps %%xmm4, (%7,%2,4), %%xmm2 , %%xmm4 \n\t"
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"vfmaddps %%xmm5, 16(%7,%2,4), %%xmm2 , %%xmm5 \n\t"
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"vfmaddps %%xmm4, (%8,%2,4), %%xmm3 , %%xmm4 \n\t"
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"vfmaddps %%xmm5, 16(%8,%2,4), %%xmm3 , %%xmm5 \n\t"
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"vfmaddps (%4,%0,4) , %%xmm4,%%xmm8,%%xmm4 \n\t"
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"vfmaddps 16(%4,%0,4) , %%xmm5,%%xmm8,%%xmm5 \n\t"
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"vmovups %%xmm4, (%4,%0,4) \n\t" // 4 * y
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"vmovups %%xmm5, 16(%4,%0,4) \n\t" // 4 * y
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"addq $8 , %0 \n\t"
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"addq $8 , %2 \n\t"
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"subq $8 , %1 \n\t"
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"3: \n\t"
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"cmpq $0, %1 \n\t"
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"je 4f \n\t"
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".align 16 \n\t"
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"1: \n\t"
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"vxorps %%xmm4, %%xmm4 , %%xmm4 \n\t"
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"vxorps %%xmm5, %%xmm5 , %%xmm5 \n\t"
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"vxorps %%xmm6, %%xmm6 , %%xmm6 \n\t"
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"vxorps %%xmm7, %%xmm7 , %%xmm7 \n\t"
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"prefetcht0 192(%5,%0,4) \n\t"
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"vfmaddps %%xmm4, (%5,%0,4), %%xmm12, %%xmm4 \n\t"
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"vfmaddps %%xmm5, 16(%5,%0,4), %%xmm12, %%xmm5 \n\t"
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"prefetcht0 192(%6,%0,4) \n\t"
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"vfmaddps %%xmm4, (%6,%0,4), %%xmm13, %%xmm4 \n\t"
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"vfmaddps %%xmm5, 16(%6,%0,4), %%xmm13, %%xmm5 \n\t"
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"prefetcht0 192(%7,%0,4) \n\t"
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"vfmaddps %%xmm4, (%7,%0,4), %%xmm14, %%xmm4 \n\t"
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"vfmaddps %%xmm5, 16(%7,%0,4), %%xmm14, %%xmm5 \n\t"
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"prefetcht0 192(%8,%0,4) \n\t"
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"vfmaddps %%xmm4, (%8,%0,4), %%xmm15, %%xmm4 \n\t"
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".align 2 \n\t"
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"vfmaddps %%xmm5, 16(%8,%0,4), %%xmm15, %%xmm5 \n\t"
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"vfmaddps %%xmm6, 32(%5,%0,4), %%xmm12, %%xmm6 \n\t"
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"vfmaddps %%xmm7, 48(%5,%0,4), %%xmm12, %%xmm7 \n\t"
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"vfmaddps %%xmm6, 32(%6,%0,4), %%xmm13, %%xmm6 \n\t"
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"vfmaddps %%xmm7, 48(%6,%0,4), %%xmm13, %%xmm7 \n\t"
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"vfmaddps %%xmm6, 32(%7,%0,4), %%xmm14, %%xmm6 \n\t"
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"vfmaddps %%xmm7, 48(%7,%0,4), %%xmm14, %%xmm7 \n\t"
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"vfmaddps %%xmm6, 32(%8,%0,4), %%xmm15, %%xmm6 \n\t"
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"vfmaddps %%xmm7, 48(%8,%0,4), %%xmm15, %%xmm7 \n\t"
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"prefetcht0 192(%5,%2,4) \n\t"
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"vfmaddps %%xmm4, (%5,%2,4), %%xmm0 , %%xmm4 \n\t"
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"vfmaddps %%xmm5, 16(%5,%2,4), %%xmm0 , %%xmm5 \n\t"
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"prefetcht0 192(%6,%2,4) \n\t"
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"vfmaddps %%xmm4, (%6,%2,4), %%xmm1 , %%xmm4 \n\t"
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"vfmaddps %%xmm5, 16(%6,%2,4), %%xmm1 , %%xmm5 \n\t"
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"prefetcht0 192(%7,%2,4) \n\t"
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"vfmaddps %%xmm4, (%7,%2,4), %%xmm2 , %%xmm4 \n\t"
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"vfmaddps %%xmm5, 16(%7,%2,4), %%xmm2 , %%xmm5 \n\t"
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"prefetcht0 192(%8,%2,4) \n\t"
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"vfmaddps %%xmm4, (%8,%2,4), %%xmm3 , %%xmm4 \n\t"
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"vfmaddps %%xmm5, 16(%8,%2,4), %%xmm3 , %%xmm5 \n\t"
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"vfmaddps %%xmm6, 32(%5,%2,4), %%xmm0 , %%xmm6 \n\t"
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"vfmaddps %%xmm7, 48(%5,%2,4), %%xmm0 , %%xmm7 \n\t"
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"vfmaddps %%xmm6, 32(%6,%2,4), %%xmm1 , %%xmm6 \n\t"
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"vfmaddps %%xmm7, 48(%6,%2,4), %%xmm1 , %%xmm7 \n\t"
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"vfmaddps %%xmm6, 32(%7,%2,4), %%xmm2 , %%xmm6 \n\t"
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"vfmaddps %%xmm7, 48(%7,%2,4), %%xmm2 , %%xmm7 \n\t"
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"vfmaddps %%xmm6, 32(%8,%2,4), %%xmm3 , %%xmm6 \n\t"
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"vfmaddps %%xmm7, 48(%8,%2,4), %%xmm3 , %%xmm7 \n\t"
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"vfmaddps (%4,%0,4) , %%xmm4,%%xmm8,%%xmm4 \n\t"
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"vfmaddps 16(%4,%0,4) , %%xmm5,%%xmm8,%%xmm5 \n\t"
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"vfmaddps 32(%4,%0,4) , %%xmm6,%%xmm8,%%xmm6 \n\t"
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"vfmaddps 48(%4,%0,4) , %%xmm7,%%xmm8,%%xmm7 \n\t"
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"addq $16, %0 \n\t"
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"vmovups %%xmm4,-64(%4,%0,4) \n\t" // 4 * y
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"vmovups %%xmm5,-48(%4,%0,4) \n\t" // 4 * y
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"addq $16, %2 \n\t"
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"vmovups %%xmm6,-32(%4,%0,4) \n\t" // 4 * y
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"vmovups %%xmm7,-16(%4,%0,4) \n\t" // 4 * y
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"subq $16, %1 \n\t"
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"jnz 1b \n\t"
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"4: \n\t"
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:
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"+r" (i), // 0
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"+r" (n), // 1
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"+r" (lda4) // 2
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:
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"r" (x), // 3
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"r" (y), // 4
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"r" (ap[0]), // 5
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"r" (ap[1]), // 6
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"r" (ap[2]), // 7
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"r" (ap[3]), // 8
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"r" (alpha) // 9
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: "cc",
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"%xmm0", "%xmm1",
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"%xmm2", "%xmm3",
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"%xmm4", "%xmm5",
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"%xmm6", "%xmm7",
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"%xmm8", "%xmm9",
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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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#define HAVE_KERNEL_4x4 1
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static void sgemv_kernel_4x4( BLASLONG n, FLOAT **ap, FLOAT *x, FLOAT *y, FLOAT *alpha) __attribute__ ((noinline));
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static void sgemv_kernel_4x4( BLASLONG n, FLOAT **ap, FLOAT *x, FLOAT *y, FLOAT *alpha)
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{
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BLASLONG register i = 0;
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__asm__ __volatile__
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(
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"vbroadcastss (%2), %%xmm12 \n\t" // x0
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"vbroadcastss 4(%2), %%xmm13 \n\t" // x1
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"vbroadcastss 8(%2), %%xmm14 \n\t" // x2
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"vbroadcastss 12(%2), %%xmm15 \n\t" // x3
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"vbroadcastss (%8), %%xmm8 \n\t" // alpha
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".align 16 \n\t"
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"1: \n\t"
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"vxorps %%xmm4, %%xmm4 , %%xmm4 \n\t"
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"vxorps %%xmm5, %%xmm5 , %%xmm5 \n\t"
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"vfmaddps %%xmm4, (%4,%0,4), %%xmm12, %%xmm4 \n\t"
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"vfmaddps %%xmm5, (%5,%0,4), %%xmm13, %%xmm5 \n\t"
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"vfmaddps %%xmm4, (%6,%0,4), %%xmm14, %%xmm4 \n\t"
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"vfmaddps %%xmm5, (%7,%0,4), %%xmm15, %%xmm5 \n\t"
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"vaddps %%xmm4, %%xmm5, %%xmm4 \n\t"
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"vfmaddps (%3,%0,4) , %%xmm4,%%xmm8,%%xmm6 \n\t"
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"vmovups %%xmm6, (%3,%0,4) \n\t" // 4 * y
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"addq $4 , %0 \n\t"
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"subq $4 , %1 \n\t"
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"jnz 1b \n\t"
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:
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"+r" (i), // 0
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"+r" (n) // 1
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:
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"r" (x), // 2
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"r" (y), // 3
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"r" (ap[0]), // 4
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"r" (ap[1]), // 5
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"r" (ap[2]), // 6
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"r" (ap[3]), // 7
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"r" (alpha) // 8
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: "cc",
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"%xmm4", "%xmm5",
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"%xmm6", "%xmm7",
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"%xmm8", "%xmm9",
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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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