/*************************************************************************** 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_4 1 static void zaxpy_kernel_4( BLASLONG n, FLOAT *x, FLOAT *y , FLOAT *alpha) __attribute__ ((noinline)); static void zaxpy_kernel_4( BLASLONG n, FLOAT *x, FLOAT *y, FLOAT *alpha) { #if !defined(CONJ) FLOAT mvec[4] = { -1.0, 1.0, -1.0, 1.0 }; #else FLOAT mvec[4] = { 1.0, -1.0, 1.0, -1.0 }; #endif BLASLONG register i = 0; if ( n < 1280 ) { __asm__ __volatile__ ( "vzeroupper \n\t" "vbroadcastsd (%4), %%ymm0 \n\t" // real part of alpha "vbroadcastsd 8(%4), %%ymm1 \n\t" // imag part of alpha #if !defined(CONJ) "vmulpd (%5), %%ymm1 , %%ymm1 \n\t" #else "vmulpd (%5), %%ymm0 , %%ymm0 \n\t" #endif ".align 16 \n\t" "1: \n\t" "vmovups (%2,%0,8), %%ymm5 \n\t" // 4 complex values from x ".align 2 \n\t" "vmovups 32(%2,%0,8), %%ymm7 \n\t" // 4 complex values from x "vmovups 64(%2,%0,8), %%ymm9 \n\t" // 4 complex values from x "vmovups 96(%2,%0,8), %%ymm11 \n\t" // 4 complex values from x "vpermilpd $0x5 , %%ymm5 , %%ymm4 \n\t" // exchange real and imag part "vpermilpd $0x5 , %%ymm7 , %%ymm6 \n\t" // exchange real and imag part "vpermilpd $0x5 , %%ymm9 , %%ymm8 \n\t" // exchange real and imag part "vpermilpd $0x5 , %%ymm11, %%ymm10 \n\t" // exchange real and imag part "vmulpd %%ymm5 , %%ymm0 , %%ymm5 \n\t" "vmulpd %%ymm7 , %%ymm0 , %%ymm7 \n\t" "vmulpd %%ymm9 , %%ymm0 , %%ymm9 \n\t" "vmulpd %%ymm11, %%ymm0 , %%ymm11 \n\t" "vaddpd (%3,%0,8), %%ymm5 , %%ymm5 \n\t" "vaddpd 32(%3,%0,8), %%ymm7 , %%ymm7 \n\t" "vaddpd 64(%3,%0,8), %%ymm9 , %%ymm9 \n\t" "vaddpd 96(%3,%0,8), %%ymm11, %%ymm11 \n\t" "vmulpd %%ymm4 , %%ymm1 , %%ymm4 \n\t" "vmulpd %%ymm6 , %%ymm1 , %%ymm6 \n\t" "vmulpd %%ymm8 , %%ymm1 , %%ymm8 \n\t" "vmulpd %%ymm10, %%ymm1 , %%ymm10 \n\t" "vaddpd %%ymm4 , %%ymm5 , %%ymm5 \n\t" "vaddpd %%ymm6 , %%ymm7 , %%ymm7 \n\t" "vaddpd %%ymm8 , %%ymm9 , %%ymm9 \n\t" "vaddpd %%ymm10, %%ymm11, %%ymm11 \n\t" "vmovups %%ymm5 , (%3,%0,8) \n\t" ".align 2 \n\t" "vmovups %%ymm7 , 32(%3,%0,8) \n\t" "vmovups %%ymm9 , 64(%3,%0,8) \n\t" "vmovups %%ymm11, 96(%3,%0,8) \n\t" "addq $16, %0 \n\t" "subq $8 , %1 \n\t" "jnz 1b \n\t" "vzeroupper \n\t" : : "r" (i), // 0 "r" (n), // 1 "r" (x), // 2 "r" (y), // 3 "r" (alpha), // 4 "r" (mvec) // 5 : "cc", "%xmm0", "%xmm1", "%xmm4", "%xmm5", "%xmm6", "%xmm7", "%xmm8", "%xmm9", "%xmm10", "%xmm11", "memory" ); return; } __asm__ __volatile__ ( "vzeroupper \n\t" "vbroadcastsd (%4), %%ymm0 \n\t" // real part of alpha "vbroadcastsd 8(%4), %%ymm1 \n\t" // imag part of alpha #if !defined(CONJ) "vmulpd (%5), %%ymm1 , %%ymm1 \n\t" #else "vmulpd (%5), %%ymm0 , %%ymm0 \n\t" #endif ".align 16 \n\t" "1: \n\t" "prefetcht0 512(%2,%0,8) \n\t" "prefetcht0 576(%2,%0,8) \n\t" "vmovups (%2,%0,8), %%ymm5 \n\t" // 4 complex values from x ".align 2 \n\t" "vmovups 32(%2,%0,8), %%ymm7 \n\t" // 4 complex values from x "vmovups 64(%2,%0,8), %%ymm9 \n\t" // 4 complex values from x "vmovups 96(%2,%0,8), %%ymm11 \n\t" // 4 complex values from x "vpermilpd $0x5 , %%ymm5 , %%ymm4 \n\t" // exchange real and imag part "vpermilpd $0x5 , %%ymm7 , %%ymm6 \n\t" // exchange real and imag part "vpermilpd $0x5 , %%ymm9 , %%ymm8 \n\t" // exchange real and imag part "vpermilpd $0x5 , %%ymm11, %%ymm10 \n\t" // exchange real and imag part "vmulpd %%ymm5 , %%ymm0 , %%ymm5 \n\t" "vmulpd %%ymm7 , %%ymm0 , %%ymm7 \n\t" "vmulpd %%ymm9 , %%ymm0 , %%ymm9 \n\t" "vmulpd %%ymm11, %%ymm0 , %%ymm11 \n\t" "prefetcht0 512(%3,%0,8) \n\t" "prefetcht0 576(%3,%0,8) \n\t" "vaddpd (%3,%0,8), %%ymm5 , %%ymm5 \n\t" "vaddpd 32(%3,%0,8), %%ymm7 , %%ymm7 \n\t" "vaddpd 64(%3,%0,8), %%ymm9 , %%ymm9 \n\t" "vaddpd 96(%3,%0,8), %%ymm11, %%ymm11 \n\t" "vmulpd %%ymm4 , %%ymm1 , %%ymm4 \n\t" "vmulpd %%ymm6 , %%ymm1 , %%ymm6 \n\t" "vmulpd %%ymm8 , %%ymm1 , %%ymm8 \n\t" "vmulpd %%ymm10, %%ymm1 , %%ymm10 \n\t" "vaddpd %%ymm4 , %%ymm5 , %%ymm5 \n\t" "vaddpd %%ymm6 , %%ymm7 , %%ymm7 \n\t" "vaddpd %%ymm8 , %%ymm9 , %%ymm9 \n\t" "vaddpd %%ymm10, %%ymm11, %%ymm11 \n\t" "vmovups %%ymm5 , (%3,%0,8) \n\t" ".align 2 \n\t" "vmovups %%ymm7 , 32(%3,%0,8) \n\t" "vmovups %%ymm9 , 64(%3,%0,8) \n\t" "vmovups %%ymm11, 96(%3,%0,8) \n\t" "addq $16, %0 \n\t" "subq $8 , %1 \n\t" "jnz 1b \n\t" "vzeroupper \n\t" : : "r" (i), // 0 "r" (n), // 1 "r" (x), // 2 "r" (y), // 3 "r" (alpha), // 4 "r" (mvec) // 5 : "cc", "%xmm0", "%xmm1", "%xmm4", "%xmm5", "%xmm6", "%xmm7", "%xmm8", "%xmm9", "%xmm10", "%xmm11", "memory" ); }