--- /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 "zgemv_t_microk_bulldozer-2.c"
+#elif defined(HASWELL)
+#include "zgemv_t_microk_haswell-2.c"
+#endif
+*/
+
+#define NBMAX 1028
+
+#ifndef HAVE_KERNEL_4x4
+
+static void zgemv_kernel_4x4(BLASLONG n, FLOAT **ap, FLOAT *x, FLOAT *y, FLOAT *alpha)
+{
+ BLASLONG i;
+ FLOAT *a0,*a1,*a2,*a3;
+ a0 = ap[0];
+ a1 = ap[1];
+ a2 = ap[2];
+ a3 = ap[3];
+ FLOAT alpha_r = alpha[0];
+ FLOAT alpha_i = alpha[1];
+ FLOAT temp_r0 = 0.0;
+ FLOAT temp_r1 = 0.0;
+ FLOAT temp_r2 = 0.0;
+ FLOAT temp_r3 = 0.0;
+ FLOAT temp_i0 = 0.0;
+ FLOAT temp_i1 = 0.0;
+ FLOAT temp_i2 = 0.0;
+ FLOAT temp_i3 = 0.0;
+
+
+ for ( i=0; i< 2*n; i+=2 )
+ {
+#if ( !defined(CONJ) && !defined(XCONJ) ) || ( defined(CONJ) && defined(XCONJ) )
+ temp_r0 += a0[i]*x[i] - a0[i+1]*x[i+1];
+ temp_i0 += a0[i]*x[i+1] + a0[i+1]*x[i];
+ temp_r1 += a1[i]*x[i] - a1[i+1]*x[i+1];
+ temp_i1 += a1[i]*x[i+1] + a1[i+1]*x[i];
+ temp_r2 += a2[i]*x[i] - a2[i+1]*x[i+1];
+ temp_i2 += a2[i]*x[i+1] + a2[i+1]*x[i];
+ temp_r3 += a3[i]*x[i] - a3[i+1]*x[i+1];
+ temp_i3 += a3[i]*x[i+1] + a3[i+1]*x[i];
+#else
+ temp_r0 += a0[i]*x[i] + a0[i+1]*x[i+1];
+ temp_i0 += a0[i]*x[i+1] - a0[i+1]*x[i];
+ temp_r1 += a1[i]*x[i] + a1[i+1]*x[i+1];
+ temp_i1 += a1[i]*x[i+1] - a1[i+1]*x[i];
+ temp_r2 += a2[i]*x[i] + a2[i+1]*x[i+1];
+ temp_i2 += a2[i]*x[i+1] - a2[i+1]*x[i];
+ temp_r3 += a3[i]*x[i] + a3[i+1]*x[i+1];
+ temp_i3 += a3[i]*x[i+1] - a3[i+1]*x[i];
+#endif
+ }
+
+#if !defined(XCONJ)
+
+ y[0] += alpha_r * temp_r0 - alpha_i * temp_i0;
+ y[1] += alpha_r * temp_i0 + alpha_i * temp_r0;
+ y[2] += alpha_r * temp_r1 - alpha_i * temp_i1;
+ y[3] += alpha_r * temp_i1 + alpha_i * temp_r1;
+ y[4] += alpha_r * temp_r2 - alpha_i * temp_i2;
+ y[5] += alpha_r * temp_i2 + alpha_i * temp_r2;
+ y[6] += alpha_r * temp_r3 - alpha_i * temp_i3;
+ y[7] += alpha_r * temp_i3 + alpha_i * temp_r3;
+
+#else
+
+ y[0] += alpha_r * temp_r0 + alpha_i * temp_i0;
+ y[1] -= alpha_r * temp_i0 - alpha_i * temp_r0;
+ y[2] += alpha_r * temp_r1 + alpha_i * temp_i1;
+ y[3] -= alpha_r * temp_i1 - alpha_i * temp_r1;
+ y[4] += alpha_r * temp_r2 + alpha_i * temp_i2;
+ y[5] -= alpha_r * temp_i2 - alpha_i * temp_r2;
+ y[6] += alpha_r * temp_r3 + alpha_i * temp_i3;
+ y[7] -= alpha_r * temp_i3 - alpha_i * temp_r3;
+
+#endif
+}
+
+#endif
+
+#ifndef HAVE_KERNEL_4x2
+
+static void zgemv_kernel_4x2(BLASLONG n, FLOAT **ap, FLOAT *x, FLOAT *y, FLOAT *alpha)
+{
+ BLASLONG i;
+ FLOAT *a0,*a1;
+ a0 = ap[0];
+ a1 = ap[1];
+ FLOAT alpha_r = alpha[0];
+ FLOAT alpha_i = alpha[1];
+ FLOAT temp_r0 = 0.0;
+ FLOAT temp_r1 = 0.0;
+ FLOAT temp_i0 = 0.0;
+ FLOAT temp_i1 = 0.0;
+
+
+ for ( i=0; i< 2*n; i+=2 )
+ {
+#if ( !defined(CONJ) && !defined(XCONJ) ) || ( defined(CONJ) && defined(XCONJ) )
+ temp_r0 += a0[i]*x[i] - a0[i+1]*x[i+1];
+ temp_i0 += a0[i]*x[i+1] + a0[i+1]*x[i];
+ temp_r1 += a1[i]*x[i] - a1[i+1]*x[i+1];
+ temp_i1 += a1[i]*x[i+1] + a1[i+1]*x[i];
+#else
+ temp_r0 += a0[i]*x[i] + a0[i+1]*x[i+1];
+ temp_i0 += a0[i]*x[i+1] - a0[i+1]*x[i];
+ temp_r1 += a1[i]*x[i] + a1[i+1]*x[i+1];
+ temp_i1 += a1[i]*x[i+1] - a1[i+1]*x[i];
+#endif
+ }
+
+#if !defined(XCONJ)
+
+ y[0] += alpha_r * temp_r0 - alpha_i * temp_i0;
+ y[1] += alpha_r * temp_i0 + alpha_i * temp_r0;
+ y[2] += alpha_r * temp_r1 - alpha_i * temp_i1;
+ y[3] += alpha_r * temp_i1 + alpha_i * temp_r1;
+
+#else
+
+ y[0] += alpha_r * temp_r0 + alpha_i * temp_i0;
+ y[1] -= alpha_r * temp_i0 - alpha_i * temp_r0;
+ y[2] += alpha_r * temp_r1 + alpha_i * temp_i1;
+ y[3] -= alpha_r * temp_i1 - alpha_i * temp_r1;
+
+#endif
+}
+
+#endif
+
+
+#ifndef HAVE_KERNEL_4x1
+
+static void zgemv_kernel_4x1(BLASLONG n, FLOAT *ap, FLOAT *x, FLOAT *y, FLOAT *alpha)
+{
+ BLASLONG i;
+ FLOAT *a0;
+ a0 = ap;
+ FLOAT alpha_r = alpha[0];
+ FLOAT alpha_i = alpha[1];
+ FLOAT temp_r0 = 0.0;
+ FLOAT temp_i0 = 0.0;
+
+ for ( i=0; i< 2*n; i+=2 )
+ {
+#if ( !defined(CONJ) && !defined(XCONJ) ) || ( defined(CONJ) && defined(XCONJ) )
+ temp_r0 += a0[i]*x[i] - a0[i+1]*x[i+1];
+ temp_i0 += a0[i]*x[i+1] + a0[i+1]*x[i];
+#else
+ temp_r0 += a0[i]*x[i] + a0[i+1]*x[i+1];
+ temp_i0 += a0[i]*x[i+1] - a0[i+1]*x[i];
+#endif
+ }
+
+#if !defined(XCONJ)
+
+ y[0] += alpha_r * temp_r0 - alpha_i * temp_i0;
+ y[1] += alpha_r * temp_i0 + alpha_i * temp_r0;
+
+#else
+
+ y[0] += alpha_r * temp_r0 + alpha_i * temp_i0;
+ y[1] -= alpha_r * temp_i0 - alpha_i * temp_r0;
+
+#endif
+
+
+}
+
+#endif
+
+
+static void copy_x(BLASLONG n, FLOAT *src, FLOAT *dest, BLASLONG inc_src)
+{
+ BLASLONG i;
+ for ( i=0; i<n; i++ )
+ {
+ *dest = *src;
+ *(dest+1) = *(src+1);
+ dest+=2;
+ src += inc_src;
+ }
+}
+
+
+int CNAME(BLASLONG m, BLASLONG n, BLASLONG dummy1, FLOAT alpha_r, FLOAT alpha_i, FLOAT *a, BLASLONG lda, FLOAT *x, BLASLONG inc_x, FLOAT *y, BLASLONG inc_y, FLOAT *buffer)
+{
+ BLASLONG i;
+ BLASLONG j;
+ FLOAT *a_ptr;
+ FLOAT *x_ptr;
+ FLOAT *y_ptr;
+ FLOAT *ap[8];
+ BLASLONG n1;
+ BLASLONG m1;
+ BLASLONG m2;
+ BLASLONG m3;
+ BLASLONG n2;
+ BLASLONG lda4;
+ FLOAT ybuffer[8],*xbuffer;
+ FLOAT alpha[2];
+
+ if ( m < 1 ) return(0);
+ if ( n < 1 ) return(0);
+
+ inc_x <<= 1;
+ inc_y <<= 1;
+ lda <<= 1;
+ lda4 = lda << 2;
+
+ xbuffer = buffer;
+
+ n1 = n >> 2 ;
+ n2 = n & 3 ;
+
+ m3 = m & 3 ;
+ m1 = m - m3;
+ m2 = (m % (NBMAX-1)) - m3 ;
+
+ alpha[0] = alpha_r;
+ alpha[1] = alpha_i;
+
+ BLASLONG NB = NBMAX;
+
+ while ( NB == NBMAX )
+ {
+
+ m1 -= NB;
+ if ( m1 < 0)
+ {
+ if ( m2 == 0 ) break;
+ NB = m2;
+ }
+
+ y_ptr = y;
+ a_ptr = a;
+ x_ptr = x;
+ ap[0] = a_ptr;
+ ap[1] = a_ptr + lda;
+ ap[2] = ap[1] + lda;
+ ap[3] = ap[2] + lda;
+ if ( inc_x != 2 )
+ copy_x(NB,x_ptr,xbuffer,inc_x);
+ else
+ xbuffer = x_ptr;
+
+ if ( inc_y == 2 )
+ {
+
+ for( i = 0; i < n1 ; i++)
+ {
+ zgemv_kernel_4x4(NB,ap,xbuffer,y_ptr,alpha);
+ ap[0] += lda4;
+ ap[1] += lda4;
+ ap[2] += lda4;
+ ap[3] += lda4;
+ a_ptr += lda4;
+ y_ptr += 8;
+
+ }
+
+ if ( n2 & 2 )
+ {
+ zgemv_kernel_4x2(NB,ap,xbuffer,y_ptr,alpha);
+ a_ptr += lda * 2;
+ y_ptr += 4;
+
+ }
+
+ if ( n2 & 1 )
+ {
+ zgemv_kernel_4x1(NB,a_ptr,xbuffer,y_ptr,alpha);
+ a_ptr += lda;
+ y_ptr += 2;
+
+ }
+
+ }
+ else
+ {
+
+ for( i = 0; i < n1 ; i++)
+ {
+ memset(ybuffer,0,64);
+ zgemv_kernel_4x4(NB,ap,xbuffer,ybuffer,alpha);
+ ap[0] += lda4;
+ ap[1] += lda4;
+ ap[2] += lda4;
+ ap[3] += lda4;
+ a_ptr += lda4;
+
+ y_ptr[0] += ybuffer[0];
+ y_ptr[1] += ybuffer[1];
+ y_ptr += inc_y;
+ y_ptr[0] += ybuffer[2];
+ y_ptr[1] += ybuffer[3];
+ y_ptr += inc_y;
+ y_ptr[0] += ybuffer[4];
+ y_ptr[1] += ybuffer[5];
+ y_ptr += inc_y;
+ y_ptr[0] += ybuffer[6];
+ y_ptr[1] += ybuffer[7];
+ y_ptr += inc_y;
+
+ }
+
+ for( i = 0; i < n2 ; i++)
+ {
+ memset(ybuffer,0,64);
+ zgemv_kernel_4x1(NB,a_ptr,xbuffer,ybuffer,alpha);
+ a_ptr += lda;
+ y_ptr[0] += ybuffer[0];
+ y_ptr[1] += ybuffer[1];
+ y_ptr += inc_y;
+
+ }
+
+ }
+ a += 2 * NB;
+ x += NB * inc_x;
+ }
+
+
+
+ if ( m3 == 0 ) return(0);
+
+ x_ptr = x;
+ j=0;
+ a_ptr = a;
+ y_ptr = y;
+
+ if ( m3 == 3 )
+ {
+
+ FLOAT temp_r ;
+ FLOAT temp_i ;
+ FLOAT x0 = x_ptr[0];
+ FLOAT x1 = x_ptr[1];
+ x_ptr += inc_x;
+ FLOAT x2 = x_ptr[0];
+ FLOAT x3 = x_ptr[1];
+ x_ptr += inc_x;
+ FLOAT x4 = x_ptr[0];
+ FLOAT x5 = x_ptr[1];
+ while ( j < n)
+ {
+#if ( !defined(CONJ) && !defined(XCONJ) ) || ( defined(CONJ) && defined(XCONJ) )
+ temp_r = a_ptr[0] * x0 - a_ptr[1] * x1;
+ temp_i = a_ptr[0] * x1 + a_ptr[1] * x0;
+ temp_r += a_ptr[2] * x2 - a_ptr[3] * x3;
+ temp_i += a_ptr[2] * x3 + a_ptr[3] * x2;
+ temp_r += a_ptr[4] * x4 - a_ptr[5] * x5;
+ temp_i += a_ptr[4] * x5 + a_ptr[5] * x4;
+#else
+
+ temp_r = a_ptr[0] * x0 + a_ptr[1] * x1;
+ temp_i = a_ptr[0] * x1 - a_ptr[1] * x0;
+ temp_r += a_ptr[2] * x2 + a_ptr[3] * x3;
+ temp_i += a_ptr[2] * x3 - a_ptr[3] * x2;
+ temp_r += a_ptr[4] * x4 + a_ptr[5] * x5;
+ temp_i += a_ptr[4] * x5 - a_ptr[5] * x4;
+#endif
+
+#if !defined(XCONJ)
+ y_ptr[0] += alpha_r * temp_r - alpha_i * temp_i;
+ y_ptr[1] += alpha_r * temp_i + alpha_i * temp_r;
+#else
+ y_ptr[0] += alpha_r * temp_r + alpha_i * temp_i;
+ y_ptr[1] -= alpha_r * temp_i - alpha_i * temp_r;
+#endif
+
+ a_ptr += lda;
+ y_ptr += inc_y;
+ j++;
+ }
+ return(0);
+ }
+
+
+ if ( m3 == 2 )
+ {
+
+ FLOAT temp_r ;
+ FLOAT temp_i ;
+ FLOAT temp_r1 ;
+ FLOAT temp_i1 ;
+ FLOAT x0 = x_ptr[0];
+ FLOAT x1 = x_ptr[1];
+ x_ptr += inc_x;
+ FLOAT x2 = x_ptr[0];
+ FLOAT x3 = x_ptr[1];
+ FLOAT ar = alpha[0];
+ FLOAT ai = alpha[1];
+
+ while ( j < ( n & -2 ))
+ {
+#if ( !defined(CONJ) && !defined(XCONJ) ) || ( defined(CONJ) && defined(XCONJ) )
+ temp_r = a_ptr[0] * x0 - a_ptr[1] * x1;
+ temp_i = a_ptr[0] * x1 + a_ptr[1] * x0;
+ temp_r += a_ptr[2] * x2 - a_ptr[3] * x3;
+ temp_i += a_ptr[2] * x3 + a_ptr[3] * x2;
+ a_ptr += lda;
+ temp_r1 = a_ptr[0] * x0 - a_ptr[1] * x1;
+ temp_i1 = a_ptr[0] * x1 + a_ptr[1] * x0;
+ temp_r1 += a_ptr[2] * x2 - a_ptr[3] * x3;
+ temp_i1 += a_ptr[2] * x3 + a_ptr[3] * x2;
+#else
+
+ temp_r = a_ptr[0] * x0 + a_ptr[1] * x1;
+ temp_i = a_ptr[0] * x1 - a_ptr[1] * x0;
+ temp_r += a_ptr[2] * x2 + a_ptr[3] * x3;
+ temp_i += a_ptr[2] * x3 - a_ptr[3] * x2;
+ a_ptr += lda;
+ temp_r1 = a_ptr[0] * x0 + a_ptr[1] * x1;
+ temp_i1 = a_ptr[0] * x1 - a_ptr[1] * x0;
+ temp_r1 += a_ptr[2] * x2 + a_ptr[3] * x3;
+ temp_i1 += a_ptr[2] * x3 - a_ptr[3] * x2;
+#endif
+
+#if !defined(XCONJ)
+ y_ptr[0] += ar * temp_r - ai * temp_i;
+ y_ptr[1] += ar * temp_i + ai * temp_r;
+ y_ptr += inc_y;
+ y_ptr[0] += ar * temp_r1 - ai * temp_i1;
+ y_ptr[1] += ar * temp_i1 + ai * temp_r1;
+#else
+ y_ptr[0] += ar * temp_r + ai * temp_i;
+ y_ptr[1] -= ar * temp_i - ai * temp_r;
+ y_ptr += inc_y;
+ y_ptr[0] += ar * temp_r1 + ai * temp_i1;
+ y_ptr[1] -= ar * temp_i1 - ai * temp_r1;
+#endif
+
+ a_ptr += lda;
+ y_ptr += inc_y;
+ j+=2;
+ }
+
+
+ while ( j < n)
+ {
+#if ( !defined(CONJ) && !defined(XCONJ) ) || ( defined(CONJ) && defined(XCONJ) )
+ temp_r = a_ptr[0] * x0 - a_ptr[1] * x1;
+ temp_i = a_ptr[0] * x1 + a_ptr[1] * x0;
+ temp_r += a_ptr[2] * x2 - a_ptr[3] * x3;
+ temp_i += a_ptr[2] * x3 + a_ptr[3] * x2;
+#else
+
+ temp_r = a_ptr[0] * x0 + a_ptr[1] * x1;
+ temp_i = a_ptr[0] * x1 - a_ptr[1] * x0;
+ temp_r += a_ptr[2] * x2 + a_ptr[3] * x3;
+ temp_i += a_ptr[2] * x3 - a_ptr[3] * x2;
+#endif
+
+#if !defined(XCONJ)
+ y_ptr[0] += ar * temp_r - ai * temp_i;
+ y_ptr[1] += ar * temp_i + ai * temp_r;
+#else
+ y_ptr[0] += ar * temp_r + ai * temp_i;
+ y_ptr[1] -= ar * temp_i - ai * temp_r;
+#endif
+
+ a_ptr += lda;
+ y_ptr += inc_y;
+ j++;
+ }
+
+ return(0);
+ }
+
+
+ if ( m3 == 1 )
+ {
+
+ FLOAT temp_r ;
+ FLOAT temp_i ;
+ FLOAT temp_r1 ;
+ FLOAT temp_i1 ;
+ FLOAT x0 = x_ptr[0];
+ FLOAT x1 = x_ptr[1];
+ FLOAT ar = alpha[0];
+ FLOAT ai = alpha[1];
+
+ while ( j < ( n & -2 ))
+ {
+#if ( !defined(CONJ) && !defined(XCONJ) ) || ( defined(CONJ) && defined(XCONJ) )
+ temp_r = a_ptr[0] * x0 - a_ptr[1] * x1;
+ temp_i = a_ptr[0] * x1 + a_ptr[1] * x0;
+ a_ptr += lda;
+ temp_r1 = a_ptr[0] * x0 - a_ptr[1] * x1;
+ temp_i1 = a_ptr[0] * x1 + a_ptr[1] * x0;
+#else
+
+ temp_r = a_ptr[0] * x0 + a_ptr[1] * x1;
+ temp_i = a_ptr[0] * x1 - a_ptr[1] * x0;
+ a_ptr += lda;
+ temp_r1 = a_ptr[0] * x0 + a_ptr[1] * x1;
+ temp_i1 = a_ptr[0] * x1 - a_ptr[1] * x0;
+#endif
+
+#if !defined(XCONJ)
+ y_ptr[0] += ar * temp_r - ai * temp_i;
+ y_ptr[1] += ar * temp_i + ai * temp_r;
+ y_ptr += inc_y;
+ y_ptr[0] += ar * temp_r1 - ai * temp_i1;
+ y_ptr[1] += ar * temp_i1 + ai * temp_r1;
+#else
+ y_ptr[0] += ar * temp_r + ai * temp_i;
+ y_ptr[1] -= ar * temp_i - ai * temp_r;
+ y_ptr += inc_y;
+ y_ptr[0] += ar * temp_r1 + ai * temp_i1;
+ y_ptr[1] -= ar * temp_i1 - ai * temp_r1;
+#endif
+
+ a_ptr += lda;
+ y_ptr += inc_y;
+ j+=2;
+ }
+
+ while ( j < n)
+ {
+#if ( !defined(CONJ) && !defined(XCONJ) ) || ( defined(CONJ) && defined(XCONJ) )
+ temp_r = a_ptr[0] * x0 - a_ptr[1] * x1;
+ temp_i = a_ptr[0] * x1 + a_ptr[1] * x0;
+#else
+
+ temp_r = a_ptr[0] * x0 + a_ptr[1] * x1;
+ temp_i = a_ptr[0] * x1 - a_ptr[1] * x0;
+#endif
+
+#if !defined(XCONJ)
+ y_ptr[0] += ar * temp_r - ai * temp_i;
+ y_ptr[1] += ar * temp_i + ai * temp_r;
+#else
+ y_ptr[0] += ar * temp_r + ai * temp_i;
+ y_ptr[1] -= ar * temp_i - ai * temp_r;
+#endif
+
+ a_ptr += lda;
+ y_ptr += inc_y;
+ j++;
+ }
+ return(0);
+ }
+
+ return(0);
+
+
+}
+
+
#endif
+#ifndef HAVE_KERNEL_4x2
+
+static void zgemv_kernel_4x2(BLASLONG n, FLOAT **ap, FLOAT *x, FLOAT *y, FLOAT *alpha)
+{
+ BLASLONG i;
+ FLOAT *a0,*a1;
+ a0 = ap[0];
+ a1 = ap[1];
+ FLOAT alpha_r = alpha[0];
+ FLOAT alpha_i = alpha[1];
+ FLOAT temp_r0 = 0.0;
+ FLOAT temp_r1 = 0.0;
+ FLOAT temp_i0 = 0.0;
+ FLOAT temp_i1 = 0.0;
+
+
+ for ( i=0; i< 2*n; i+=2 )
+ {
+#if ( !defined(CONJ) && !defined(XCONJ) ) || ( defined(CONJ) && defined(XCONJ) )
+ temp_r0 += a0[i]*x[i] - a0[i+1]*x[i+1];
+ temp_i0 += a0[i]*x[i+1] + a0[i+1]*x[i];
+ temp_r1 += a1[i]*x[i] - a1[i+1]*x[i+1];
+ temp_i1 += a1[i]*x[i+1] + a1[i+1]*x[i];
+#else
+ temp_r0 += a0[i]*x[i] + a0[i+1]*x[i+1];
+ temp_i0 += a0[i]*x[i+1] - a0[i+1]*x[i];
+ temp_r1 += a1[i]*x[i] + a1[i+1]*x[i+1];
+ temp_i1 += a1[i]*x[i+1] - a1[i+1]*x[i];
+#endif
+ }
+
+#if !defined(XCONJ)
+
+ y[0] += alpha_r * temp_r0 - alpha_i * temp_i0;
+ y[1] += alpha_r * temp_i0 + alpha_i * temp_r0;
+ y[2] += alpha_r * temp_r1 - alpha_i * temp_i1;
+ y[3] += alpha_r * temp_i1 + alpha_i * temp_r1;
+
+#else
+
+ y[0] += alpha_r * temp_r0 + alpha_i * temp_i0;
+ y[1] -= alpha_r * temp_i0 - alpha_i * temp_r0;
+ y[2] += alpha_r * temp_r1 + alpha_i * temp_i1;
+ y[3] -= alpha_r * temp_i1 - alpha_i * temp_r1;
+
+#endif
+}
+
+#endif
+
+
#ifndef HAVE_KERNEL_4x1
static void zgemv_kernel_4x1(BLASLONG n, FLOAT *ap, FLOAT *x, FLOAT *y, FLOAT *alpha)
if ( m < 1 ) return(0);
if ( n < 1 ) return(0);
- inc_x *= 2;
- inc_y *= 2;
- lda *= 2;
- lda4 = 4 * lda;
+ inc_x <<= 1;
+ inc_y <<= 1;
+ lda <<= 1;
+ lda4 = lda << 2;
xbuffer = buffer;
- n1 = n / 4 ;
- n2 = n % 4 ;
+ n1 = n >> 2 ;
+ n2 = n & 3 ;
- m3 = m % 4 ;
- m1 = m - ( m % 4 );
- m2 = (m % NBMAX) - (m % 4) ;
+ m3 = m & 3 ;
+ m1 = m - m3;
+ m2 = (m % (NBMAX-1)) - m3 ;
alpha[0] = alpha_r;
alpha[1] = alpha_i;
ap[1] = a_ptr + lda;
ap[2] = ap[1] + lda;
ap[3] = ap[2] + lda;
- copy_x(NB,x_ptr,xbuffer,inc_x);
- for( i = 0; i < n1 ; i++)
+ if ( inc_x != 2 )
+ copy_x(NB,x_ptr,xbuffer,inc_x);
+ else
+ xbuffer = x_ptr;
+
+ if ( inc_y == 2 )
{
- memset(ybuffer,0,64);
- zgemv_kernel_4x4(NB,ap,xbuffer,ybuffer,alpha);
- ap[0] += lda4;
- ap[1] += lda4;
- ap[2] += lda4;
- ap[3] += lda4;
- a_ptr += lda4;
-
- y_ptr[0] += ybuffer[0];
- y_ptr[1] += ybuffer[1];
- y_ptr += inc_y;
- y_ptr[0] += ybuffer[2];
- y_ptr[1] += ybuffer[3];
- y_ptr += inc_y;
- y_ptr[0] += ybuffer[4];
- y_ptr[1] += ybuffer[5];
- y_ptr += inc_y;
- y_ptr[0] += ybuffer[6];
- y_ptr[1] += ybuffer[7];
- y_ptr += inc_y;
- }
+ for( i = 0; i < n1 ; i++)
+ {
+ zgemv_kernel_4x4(NB,ap,xbuffer,y_ptr,alpha);
+ ap[0] += lda4;
+ ap[1] += lda4;
+ ap[2] += lda4;
+ ap[3] += lda4;
+ a_ptr += lda4;
+ y_ptr += 8;
+
+ }
+
+ if ( n2 & 2 )
+ {
+ zgemv_kernel_4x2(NB,ap,xbuffer,y_ptr,alpha);
+ a_ptr += lda * 2;
+ y_ptr += 4;
+
+ }
+
+ if ( n2 & 1 )
+ {
+ zgemv_kernel_4x1(NB,a_ptr,xbuffer,y_ptr,alpha);
+ a_ptr += lda;
+ y_ptr += 2;
+
+ }
- for( i = 0; i < n2 ; i++)
+ }
+ else
{
- memset(ybuffer,0,64);
- zgemv_kernel_4x1(NB,a_ptr,xbuffer,ybuffer,alpha);
- a_ptr += lda;
- y_ptr[0] += ybuffer[0];
- y_ptr[1] += ybuffer[1];
- y_ptr += inc_y;
+
+ for( i = 0; i < n1 ; i++)
+ {
+ memset(ybuffer,0,64);
+ zgemv_kernel_4x4(NB,ap,xbuffer,ybuffer,alpha);
+ ap[0] += lda4;
+ ap[1] += lda4;
+ ap[2] += lda4;
+ ap[3] += lda4;
+ a_ptr += lda4;
+
+ y_ptr[0] += ybuffer[0];
+ y_ptr[1] += ybuffer[1];
+ y_ptr += inc_y;
+ y_ptr[0] += ybuffer[2];
+ y_ptr[1] += ybuffer[3];
+ y_ptr += inc_y;
+ y_ptr[0] += ybuffer[4];
+ y_ptr[1] += ybuffer[5];
+ y_ptr += inc_y;
+ y_ptr[0] += ybuffer[6];
+ y_ptr[1] += ybuffer[7];
+ y_ptr += inc_y;
+
+ }
+
+ for( i = 0; i < n2 ; i++)
+ {
+ memset(ybuffer,0,64);
+ zgemv_kernel_4x1(NB,a_ptr,xbuffer,ybuffer,alpha);
+ a_ptr += lda;
+ y_ptr[0] += ybuffer[0];
+ y_ptr[1] += ybuffer[1];
+ y_ptr += inc_y;
+
+ }
}
- a += 2* NB;
+ a += 2 * NB;
x += NB * inc_x;
}
if ( m3 == 0 ) return(0);
x_ptr = x;
- copy_x(m3,x_ptr,xbuffer,inc_x);
j=0;
a_ptr = a;
y_ptr = y;
projects / platform / upstream / openblas.git / commitdiff