--- /dev/null
+/***************************************************************************
+Copyright (c) 2013, 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)
+#include "ssymv_U_microk_bulldozer-2.c"
+#endif
+
+
+#ifndef HAVE_KERNEL_16x2
+
+static void ssymv_kernel_16x2(BLASLONG n, FLOAT *a0, FLOAT *a1, FLOAT *xp, FLOAT *yp, FLOAT *temp1, FLOAT *temp2)
+{
+ FLOAT at0,at1,at2,at3;
+ FLOAT tmp2[2] = { 0.0, 0.0 };
+ FLOAT tp0;
+ FLOAT tp1;
+ BLASLONG i;
+
+ tp0 = temp1[0];
+ tp1 = temp1[1];
+
+ for (i=0; i<n; i+=2)
+ {
+ at0 = a0[i];
+ at1 = a1[i];
+ at2 = a0[i+1];
+ at3 = a1[i+1];
+ yp[i] += tp0 * at0 + tp1 *at1;
+ yp[i+1] += tp0 * at2 + tp1 *at3;
+ tmp2[0] += at0 * xp[i] + at2 * xp[i+1];
+ tmp2[1] += at1 * xp[i] + at3 * xp[i+1];
+
+ }
+ temp2[0] = tmp2[0];
+ temp2[1] = tmp2[1];
+
+}
+
+#endif
+
+static void ssymv_kernel_8x1(BLASLONG n, FLOAT *a0, FLOAT *xp, FLOAT *yp, FLOAT *temp1, FLOAT *temp2)
+{
+ FLOAT at0,at1,at2,at3;
+ FLOAT temp = 0.0;
+ FLOAT t1 = *temp1;
+ BLASLONG i;
+
+ for (i=0; i<(n/4)*4; i+=4)
+ {
+ at0 = a0[i];
+ at1 = a0[i+1];
+ at2 = a0[i+2];
+ at3 = a0[i+3];
+
+ yp[i] += t1 * at0;
+ temp += at0 * xp[i];
+ yp[i+1] += t1 * at1;
+ temp += at1 * xp[i+1];
+
+ yp[i+2] += t1 * at2;
+ temp += at2 * xp[i+2];
+ yp[i+3] += t1 * at3;
+ temp += at3 * xp[i+3];
+
+ }
+ *temp2 = temp;
+}
+
+int CNAME(BLASLONG m, BLASLONG offset, FLOAT alpha, FLOAT *a, BLASLONG lda, FLOAT *x, BLASLONG inc_x, FLOAT *y, BLASLONG inc_y, FLOAT *buffer)
+{
+ BLASLONG i;
+ BLASLONG ix,iy;
+ BLASLONG jx,jy;
+ BLASLONG j;
+ BLASLONG m2;
+ FLOAT temp1;
+ FLOAT temp2;
+ FLOAT *xp, *yp;
+ FLOAT *a0,*a1;
+ FLOAT tmp1[2];
+ FLOAT tmp2[2];
+
+#if 0
+ if( m != offset )
+ printf("Symv_U: m=%d offset=%d\n",m,offset);
+#endif
+
+ BLASLONG m1 = m - offset;
+ BLASLONG mrange = m -m1;
+
+ if ( (inc_x!=1) || (inc_y!=1) || (mrange<16) )
+ {
+
+ jx = m1 * inc_x;
+ jy = m1 * inc_y;
+
+ for (j=m1; j<m; j++)
+ {
+ temp1 = alpha * x[jx];
+ temp2 = 0.0;
+ iy = 0;
+ ix = 0;
+ for (i=0; i<j; i++)
+ {
+ y[iy] += temp1 * a[j*lda+i];
+ temp2 += a[j*lda+i] * x[ix];
+ ix += inc_x;
+ iy += inc_y;
+
+ }
+ y[jy] += temp1 * a[j*lda+j] + alpha * temp2;
+ jx += inc_x;
+ jy += inc_y;
+ }
+ return(0);
+ }
+
+ xp = x;
+ yp = y;
+
+ m2 = m - ( mrange % 2 );
+
+ for (j=m1; j<m2; j+=2)
+ {
+ tmp1[0] = alpha * xp[j];
+ tmp1[1] = alpha * xp[j+1];
+ tmp2[0] = 0.0;
+ tmp2[1] = 0.0;
+ a0 = &a[j*lda];
+ a1 = a0+lda;
+ FLOAT at0,at1;
+ BLASLONG j1 = (j/16)*16;
+ if ( j1 )
+ ssymv_kernel_16x2(j1, a0, a1, xp, yp, tmp1, tmp2);
+
+ for (i=j1; i<j; i++)
+ {
+ at0 = a0[i];
+ at1 = a1[i];
+ yp[i] += tmp1[0] * at0 + tmp1[1] *at1;
+ tmp2[0] += at0 * xp[i];
+ tmp2[1] += at1 * xp[i];
+
+ }
+
+ at1 = a1[j];
+ yp[j] += tmp1[1] * at1;
+ tmp2[1] += at1 * xp[j];
+
+ yp[j] += tmp1[0] * a0[j] + alpha * tmp2[0];
+ yp[j+1] += tmp1[1] * a1[j+1] + alpha * tmp2[1];
+ }
+
+ for ( ; j<m; j++)
+ {
+ temp1 = alpha * xp[j];
+ temp2 = 0.0;
+ a0 = &a[j*lda];
+ FLOAT at0;
+ BLASLONG j1 = (j/8)*8;
+
+ if ( j1 )
+ ssymv_kernel_8x1(j1, a0, xp, yp, &temp1, &temp2);
+
+ for (i=j1 ; i<j; i++)
+ {
+ at0 = a0[i];
+ yp[i] += temp1 * at0;
+ temp2 += at0 * xp[i];
+
+ }
+
+ yp[j] += temp1 * a0[j] + alpha * temp2;
+ }
+
+ return(0);
+
+
+}
+
+
--- /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_16x2 1
+static void ssymv_kernel_16x2( BLASLONG n, FLOAT *a1, FLOAT *a2, FLOAT *x, FLOAT *y, FLOAT *temp1, FLOAT *temp2) __attribute__ ((noinline));
+
+static void ssymv_kernel_16x2(BLASLONG n, FLOAT *a0, FLOAT *a1, FLOAT *x, FLOAT *y, FLOAT *temp1, FLOAT *temp2)
+{
+
+ BLASLONG register i = 0;
+
+ __asm__ __volatile__
+ (
+ "vxorps %%xmm0 , %%xmm0 , %%xmm0 \n\t" // temp2[0]
+ "vxorps %%xmm1 , %%xmm1 , %%xmm1 \n\t" // temp2[1]
+ "vbroadcastss (%6), %%xmm2 \n\t" // temp1[0]
+ "vbroadcastss 4(%6), %%xmm3 \n\t" // temp1[1]
+
+ "xorq %0,%0 \n\t"
+
+ ".align 16 \n\t"
+ ".L01LOOP%=: \n\t"
+
+ "prefetcht0 192(%4,%0,4) \n\t"
+ "vmovups (%4,%0,4), %%xmm4 \n\t" // 2 * a0
+ "vmovups 16(%4,%0,4), %%xmm5 \n\t" // 2 * a0
+ "prefetcht0 192(%2,%0,4) \n\t"
+ "vmovups (%2,%0,4), %%xmm8 \n\t" // 2 * x
+ "vmovups 16(%2,%0,4), %%xmm9 \n\t" // 2 * x
+ "prefetcht0 192(%3,%0,4) \n\t"
+ "vmovups 32(%4,%0,4), %%xmm6 \n\t" // 2 * a0
+ "vmovups 48(%4,%0,4), %%xmm7 \n\t" // 2 * a0
+ "vmovups 32(%2,%0,4), %%xmm10 \n\t" // 2 * x
+ "vmovups 48(%2,%0,4), %%xmm11 \n\t" // 2 * x
+
+ "prefetcht0 192(%5,%0,4) \n\t"
+ "vfmaddps (%3,%0,4), %%xmm2 , %%xmm4 , %%xmm12 \n\t" // y += temp1 * a0
+ "vfmaddps %%xmm0 , %%xmm8 , %%xmm4 , %%xmm0 \n\t" // temp2 += a0 * x
+ "vfmaddps 16(%3,%0,4), %%xmm2 , %%xmm5 , %%xmm13 \n\t" // y += temp1 * a0
+ "vmovups (%5,%0,4), %%xmm4 \n\t" // 2 * a1
+ "vfmaddps %%xmm0 , %%xmm9 , %%xmm5 , %%xmm0 \n\t" // temp2 += a0 * x
+ "vfmaddps 32(%3,%0,4), %%xmm2 , %%xmm6 , %%xmm14 \n\t" // y += temp1 * a0
+ "vmovups 16(%5,%0,4), %%xmm5 \n\t" // 2 * a1
+ "vfmaddps %%xmm0 , %%xmm10, %%xmm6 , %%xmm0 \n\t" // temp2 += a0 * x
+ "vfmaddps 48(%3,%0,4), %%xmm2 , %%xmm7 , %%xmm15 \n\t" // y += temp1 * a0
+ "vmovups 32(%5,%0,4), %%xmm6 \n\t" // 2 * a1
+ "vfmaddps %%xmm0 , %%xmm11, %%xmm7 , %%xmm0 \n\t" // temp2 += a0 * x
+ "vmovups 48(%5,%0,4), %%xmm7 \n\t" // 2 * a1
+
+ "vfmaddps %%xmm12, %%xmm3 , %%xmm4 , %%xmm12 \n\t" // y += temp1 * a1
+ "vfmaddps %%xmm13, %%xmm3 , %%xmm5 , %%xmm13 \n\t" // y += temp1 * a1
+ "vmovups %%xmm12, (%3,%0,4) \n\t" // 2 * y
+ "vfmaddps %%xmm14, %%xmm3 , %%xmm6 , %%xmm14 \n\t" // y += temp1 * a1
+ "vmovups %%xmm13, 16(%3,%0,4) \n\t" // 2 * y
+ "vfmaddps %%xmm15, %%xmm3 , %%xmm7 , %%xmm15 \n\t" // y += temp1 * a1
+ "vmovups %%xmm14, 32(%3,%0,4) \n\t" // 2 * y
+
+ "vfmaddps %%xmm1 , %%xmm8 , %%xmm4 , %%xmm1 \n\t" // temp2 += a1 * x
+ "vfmaddps %%xmm1 , %%xmm9 , %%xmm5 , %%xmm1 \n\t" // temp2 += a1 * x
+ "vmovups %%xmm15, 48(%3,%0,4) \n\t" // 2 * y
+ "vfmaddps %%xmm1 , %%xmm10, %%xmm6 , %%xmm1 \n\t" // temp2 += a1 * x
+ "vfmaddps %%xmm1 , %%xmm11, %%xmm7 , %%xmm1 \n\t" // temp2 += a1 * x
+
+ "addq $16, %0 \n\t"
+ "subq $16, %1 \n\t"
+ "jnz .L01LOOP%= \n\t"
+
+ "vhaddps %%xmm0, %%xmm0, %%xmm0 \n\t"
+ "vhaddps %%xmm1, %%xmm1, %%xmm1 \n\t"
+ "vhaddps %%xmm0, %%xmm0, %%xmm0 \n\t"
+ "vhaddps %%xmm1, %%xmm1, %%xmm1 \n\t"
+ "vmovss %%xmm0 , (%7) \n\t" // save temp2
+ "vmovss %%xmm1 ,4(%7) \n\t" // save temp2
+
+ :
+ :
+ "r" (i), // 0
+ "r" (n), // 1
+ "r" (x), // 2
+ "r" (y), // 3
+ "r" (a0), // 4
+ "r" (a1), // 5
+ "r" (temp1), // 6
+ "r" (temp2) // 7
+ : "cc",
+ "%xmm0", "%xmm1", "%xmm2", "%xmm3",
+ "%xmm4", "%xmm5", "%xmm6", "%xmm7",
+ "%xmm8", "%xmm9", "%xmm10", "%xmm11",
+ "%xmm12", "%xmm13", "%xmm14", "%xmm15",
+ "memory"
+ );
+
+}
+
+