--- /dev/null
+/***************************************************************************
+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.
+*****************************************************************************/
+
+
+#include "common.h"
+
+#if defined(BULLDOZER) || defined(PILEDRIVER)
+#include "sdot_microk_bulldozer-2.c"
+#endif
+
+
+#ifndef HAVE_KERNEL_16
+
+void sdot_kernel_16(BLASLONG n, FLOAT *x, FLOAT *y, FLOAT *d)
+{
+ BLASLONG register i = 0;
+ FLOAT dot = 0.0;
+
+ while(i < n)
+ {
+ dot += y[i] * x[i]
+ + y[i+1] * x[i+1]
+ + y[i+2] * x[i+2]
+ + y[i+3] * x[i+3]
+ + y[i+4] * x[i+4]
+ + y[i+5] * x[i+5]
+ + y[i+6] * x[i+6]
+ + y[i+7] * x[i+7] ;
+
+ i+=8 ;
+
+ }
+ *d += dot;
+
+}
+
+#endif
+
+FLOAT CNAME(BLASLONG n, FLOAT *x, BLASLONG inc_x, FLOAT *y, BLASLONG inc_y)
+{
+ BLASLONG i=0;
+ BLASLONG ix=0,iy=0;
+
+ FLOAT dot = 0.0 ;
+
+ if ( n <= 0 ) return(dot);
+
+ if ( (inc_x == 1) && (inc_y == 1) )
+ {
+
+ int n1 = n & -16;
+
+ if ( n1 )
+ sdot_kernel_16(n1, x, y , &dot );
+
+
+ i = n1;
+ while(i < n)
+ {
+
+ dot += y[i] * x[i] ;
+ i++ ;
+
+ }
+ return(dot);
+
+
+ }
+
+ while(i < n)
+ {
+
+ dot += y[iy] * x[ix] ;
+ ix += inc_x ;
+ iy += inc_y ;
+ i++ ;
+
+ }
+ return(dot);
+
+}
+
+
--- /dev/null
+/***************************************************************************
+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_16 1
+static void sdot_kernel_16( BLASLONG n, FLOAT *x, FLOAT *y , FLOAT *dot) __attribute__ ((noinline));
+
+static void sdot_kernel_16( BLASLONG n, FLOAT *x, FLOAT *y, FLOAT *dot)
+{
+
+
+ BLASLONG register i = 0;
+
+ __asm__ __volatile__
+ (
+ "vxorps %%xmm4, %%xmm4, %%xmm4 \n\t"
+ "vxorps %%xmm5, %%xmm5, %%xmm5 \n\t"
+ "vxorps %%xmm6, %%xmm6, %%xmm6 \n\t"
+ "vxorps %%xmm7, %%xmm7, %%xmm7 \n\t"
+
+ ".align 16 \n\t"
+ ".L01LOOP%=: \n\t"
+ "vmovups (%2,%0,4), %%xmm12 \n\t" // 4 * x
+ "vmovups 16(%2,%0,4), %%xmm13 \n\t" // 4 * x
+ "vmovups 32(%2,%0,4), %%xmm14 \n\t" // 4 * x
+ "vmovups 48(%2,%0,4), %%xmm15 \n\t" // 4 * x
+
+ "vfmaddps %%xmm4, (%3,%0,4), %%xmm12, %%xmm4 \n\t" // 4 * y
+ "vfmaddps %%xmm5, 16(%3,%0,4), %%xmm13, %%xmm5 \n\t" // 4 * y
+ "vfmaddps %%xmm6, 32(%3,%0,4), %%xmm14, %%xmm6 \n\t" // 4 * y
+ "vfmaddps %%xmm7, 48(%3,%0,4), %%xmm15, %%xmm7 \n\t" // 4 * y
+
+ "addq $16, %0 \n\t"
+ "subq $16, %1 \n\t"
+ "jnz .L01LOOP%= \n\t"
+
+ "vaddps %%xmm4, %%xmm5, %%xmm4 \n\t"
+ "vaddps %%xmm6, %%xmm7, %%xmm6 \n\t"
+ "vaddps %%xmm4, %%xmm6, %%xmm4 \n\t"
+
+ "vhaddps %%xmm4, %%xmm4, %%xmm4 \n\t"
+ "vhaddps %%xmm4, %%xmm4, %%xmm4 \n\t"
+
+ "vmovss %%xmm4, (%4) \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"
+ );
+
+}
+
+
projects / platform / upstream / openblas.git / commitdiff