diff --git a/kernel/x86_64/ddot.c b/kernel/x86_64/ddot.c index 9eda0fc44..f857c2f35 100644 --- a/kernel/x86_64/ddot.c +++ b/kernel/x86_64/ddot.c @@ -35,6 +35,8 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. #include "ddot_microk_nehalem-2.c" #elif defined(HASWELL) #include "ddot_microk_haswell-2.c" +#elif defined(SANDYBRIDGE) +#include "ddot_microk_sandy-2.c" #endif diff --git a/kernel/x86_64/ddot_microk_sandy-2.c b/kernel/x86_64/ddot_microk_sandy-2.c new file mode 100644 index 000000000..e2e6701c7 --- /dev/null +++ b/kernel/x86_64/ddot_microk_sandy-2.c @@ -0,0 +1,100 @@ +/*************************************************************************** +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_8 1 +static void ddot_kernel_8( BLASLONG n, FLOAT *x, FLOAT *y , FLOAT *dot) __attribute__ ((noinline)); + +static void ddot_kernel_8( BLASLONG n, FLOAT *x, FLOAT *y, FLOAT *dot) +{ + + + BLASLONG register i = 0; + + __asm__ __volatile__ + ( + "vxorpd %%ymm4, %%ymm4, %%ymm4 \n\t" + "vxorpd %%ymm5, %%ymm5, %%ymm5 \n\t" + "vxorpd %%ymm6, %%ymm6, %%ymm6 \n\t" + "vxorpd %%ymm7, %%ymm7, %%ymm7 \n\t" + + ".align 16 \n\t" + "1: \n\t" + "vmovups (%2,%0,8), %%ymm12 \n\t" // 2 * x + "vmovups 32(%2,%0,8), %%ymm13 \n\t" // 2 * x + "vmovups 64(%2,%0,8), %%ymm14 \n\t" // 2 * x + "vmovups 96(%2,%0,8), %%ymm15 \n\t" // 2 * x + + "vmulpd (%3,%0,8), %%ymm12, %%ymm12 \n\t" // 2 * y + "vmulpd 32(%3,%0,8), %%ymm13, %%ymm13 \n\t" // 2 * y + "vmulpd 64(%3,%0,8), %%ymm14, %%ymm14 \n\t" // 2 * y + "vmulpd 96(%3,%0,8), %%ymm15, %%ymm15 \n\t" // 2 * y + + "vaddpd %%ymm4 , %%ymm12, %%ymm4 \n\t" // 2 * y + "vaddpd %%ymm5 , %%ymm13, %%ymm5 \n\t" // 2 * y + "vaddpd %%ymm6 , %%ymm14, %%ymm6 \n\t" // 2 * y + "vaddpd %%ymm7 , %%ymm15, %%ymm7 \n\t" // 2 * y + + "addq $16 , %0 \n\t" + "subq $16 , %1 \n\t" + "jnz 1b \n\t" + + "vextractf128 $1 , %%ymm4 , %%xmm12 \n\t" + "vextractf128 $1 , %%ymm5 , %%xmm13 \n\t" + "vextractf128 $1 , %%ymm6 , %%xmm14 \n\t" + "vextractf128 $1 , %%ymm7 , %%xmm15 \n\t" + + "vaddpd %%xmm4, %%xmm12, %%xmm4 \n\t" + "vaddpd %%xmm5, %%xmm13, %%xmm5 \n\t" + "vaddpd %%xmm6, %%xmm14, %%xmm6 \n\t" + "vaddpd %%xmm7, %%xmm15, %%xmm7 \n\t" + + "vaddpd %%xmm4, %%xmm5, %%xmm4 \n\t" + "vaddpd %%xmm6, %%xmm7, %%xmm6 \n\t" + "vaddpd %%xmm4, %%xmm6, %%xmm4 \n\t" + + "vhaddpd %%xmm4, %%xmm4, %%xmm4 \n\t" + + "vmovsd %%xmm4, (%4) \n\t" + "vzeroupper \n\t" + + : + : + "r" (i), // 0 + "r" (n), // 1 + "r" (x), // 2 + "r" (y), // 3 + "r" (dot) // 4 + : "cc", + "%xmm4", "%xmm5", + "%xmm6", "%xmm7", + "%xmm12", "%xmm13", "%xmm14", "%xmm15", + "memory" + ); + +} + +