/*************************************************************************** Copyright (c) 2014, The OpenBLAS Project All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. 2. 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. 3. Neither the name of the OpenBLAS project 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 OPENBLAS PROJECT 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. *****************************************************************************/ #define HAVE_KERNEL_4x8 1 static void sgemv_kernel_4x8( BLASLONG n, FLOAT **ap, FLOAT *x, FLOAT *y, BLASLONG lda4, FLOAT *alpha) __attribute__ ((noinline)); static void sgemv_kernel_4x8( BLASLONG n, FLOAT **ap, FLOAT *x, FLOAT *y, BLASLONG lda4, FLOAT *alpha) { BLASLONG register i = 0; __asm__ __volatile__ ( "movss (%2), %%xmm12 \n\t" // x0 "movss 4(%2), %%xmm13 \n\t" // x1 "movss 8(%2), %%xmm14 \n\t" // x2 "movss 12(%2), %%xmm15 \n\t" // x3 "shufps $0, %%xmm12, %%xmm12\n\t" "shufps $0, %%xmm13, %%xmm13\n\t" "shufps $0, %%xmm14, %%xmm14\n\t" "shufps $0, %%xmm15, %%xmm15\n\t" "movss 16(%2), %%xmm0 \n\t" // x4 "movss 20(%2), %%xmm1 \n\t" // x5 "movss 24(%2), %%xmm2 \n\t" // x6 "movss 28(%2), %%xmm3 \n\t" // x7 "shufps $0, %%xmm0 , %%xmm0 \n\t" "shufps $0, %%xmm1 , %%xmm1 \n\t" "shufps $0, %%xmm2 , %%xmm2 \n\t" "shufps $0, %%xmm3 , %%xmm3 \n\t" "movss (%9), %%xmm6 \n\t" // alpha "shufps $0, %%xmm6 , %%xmm6 \n\t" ".align 16 \n\t" "1: \n\t" "xorps %%xmm4 , %%xmm4 \n\t" "xorps %%xmm5 , %%xmm5 \n\t" "movups (%3,%0,4), %%xmm7 \n\t" // 4 * y ".align 2 \n\t" "movups (%4,%0,4), %%xmm8 \n\t" "movups (%5,%0,4), %%xmm9 \n\t" "movups (%6,%0,4), %%xmm10 \n\t" "movups (%7,%0,4), %%xmm11 \n\t" ".align 2 \n\t" "mulps %%xmm12, %%xmm8 \n\t" "mulps %%xmm13, %%xmm9 \n\t" "mulps %%xmm14, %%xmm10 \n\t" "mulps %%xmm15, %%xmm11 \n\t" "addps %%xmm8 , %%xmm4 \n\t" "addps %%xmm9 , %%xmm5 \n\t" "addps %%xmm10, %%xmm4 \n\t" "addps %%xmm11, %%xmm5 \n\t" "movups (%4,%8,4), %%xmm8 \n\t" "movups (%5,%8,4), %%xmm9 \n\t" "movups (%6,%8,4), %%xmm10 \n\t" "movups (%7,%8,4), %%xmm11 \n\t" ".align 2 \n\t" "mulps %%xmm0 , %%xmm8 \n\t" "mulps %%xmm1 , %%xmm9 \n\t" "mulps %%xmm2 , %%xmm10 \n\t" "mulps %%xmm3 , %%xmm11 \n\t" "addps %%xmm8 , %%xmm4 \n\t" "addps %%xmm9 , %%xmm5 \n\t" "addps %%xmm10, %%xmm4 \n\t" "addps %%xmm11, %%xmm5 \n\t" "addq $4 , %8 \n\t" "addps %%xmm5 , %%xmm4 \n\t" "addq $4 , %0 \n\t" "mulps %%xmm6 , %%xmm4 \n\t" "subq $4 , %1 \n\t" "addps %%xmm4 , %%xmm7 \n\t" "movups %%xmm7 , -16(%3,%0,4) \n\t" // 4 * y "jnz 1b \n\t" : : "r" (i), // 0 "r" (n), // 1 "r" (x), // 2 "r" (y), // 3 "r" (ap[0]), // 4 "r" (ap[1]), // 5 "r" (ap[2]), // 6 "r" (ap[3]), // 7 "r" (lda4), // 8 "r" (alpha) // 9 : "cc", "%xmm0", "%xmm1", "%xmm2", "%xmm3", "%xmm4", "%xmm5", "%xmm6", "%xmm7", "%xmm8", "%xmm9", "%xmm10", "%xmm11", "%xmm12", "%xmm13", "%xmm14", "%xmm15", "memory" ); } #define HAVE_KERNEL_4x4 1 static void sgemv_kernel_4x4( BLASLONG n, FLOAT **ap, FLOAT *x, FLOAT *y, FLOAT *alpha) __attribute__ ((noinline)); static void sgemv_kernel_4x4( BLASLONG n, FLOAT **ap, FLOAT *x, FLOAT *y, FLOAT *alpha) { BLASLONG register i = 0; __asm__ __volatile__ ( "movss (%2), %%xmm12 \n\t" // x0 "movss 4(%2), %%xmm13 \n\t" // x1 "movss 8(%2), %%xmm14 \n\t" // x2 "movss 12(%2), %%xmm15 \n\t" // x3 "shufps $0, %%xmm12, %%xmm12\n\t" "shufps $0, %%xmm13, %%xmm13\n\t" "shufps $0, %%xmm14, %%xmm14\n\t" "shufps $0, %%xmm15, %%xmm15\n\t" "movss (%8), %%xmm6 \n\t" // alpha "shufps $0, %%xmm6 , %%xmm6 \n\t" ".align 16 \n\t" "1: \n\t" "xorps %%xmm4 , %%xmm4 \n\t" "movups (%3,%0,4), %%xmm7 \n\t" // 4 * y "movups (%4,%0,4), %%xmm8 \n\t" "movups (%5,%0,4), %%xmm9 \n\t" "movups (%6,%0,4), %%xmm10 \n\t" "movups (%7,%0,4), %%xmm11 \n\t" "mulps %%xmm12, %%xmm8 \n\t" "mulps %%xmm13, %%xmm9 \n\t" "mulps %%xmm14, %%xmm10 \n\t" "mulps %%xmm15, %%xmm11 \n\t" "addps %%xmm8 , %%xmm4 \n\t" "addq $4 , %0 \n\t" "addps %%xmm9 , %%xmm4 \n\t" "subq $4 , %1 \n\t" "addps %%xmm10 , %%xmm4 \n\t" "addps %%xmm4 , %%xmm11 \n\t" "mulps %%xmm6 , %%xmm11 \n\t" "addps %%xmm7 , %%xmm11 \n\t" "movups %%xmm11, -16(%3,%0,4) \n\t" // 4 * y "jnz 1b \n\t" : : "r" (i), // 0 "r" (n), // 1 "r" (x), // 2 "r" (y), // 3 "r" (ap[0]), // 4 "r" (ap[1]), // 5 "r" (ap[2]), // 6 "r" (ap[3]), // 7 "r" (alpha) // 8 : "cc", "%xmm4", "%xmm5", "%xmm6", "%xmm7", "%xmm8", "%xmm9", "%xmm10", "%xmm11", "%xmm12", "%xmm13", "%xmm14", "%xmm15", "memory" ); }