--- /dev/null
+/***************************************************************************
+Copyright (c) 2013-2016, 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.
+*****************************************************************************/
+
+/**************************************************************************************
+* 2016/03/27 Werner Saar (wernsaar@googlemail.com)
+* BLASTEST : OK
+* CTEST : OK
+* TEST : OK
+* LAPACK-TEST : OK
+**************************************************************************************/
+
+
+#include "common.h"
+
+#pragma GCC optimize "O1"
+
+#if defined(POWER8)
+#include "zscal_microk_power8.c"
+#endif
+
+
+#ifndef HAVE_KERNEL_8
+
+static void zscal_kernel_8(BLASLONG n, FLOAT *x, FLOAT *alpha)
+{
+
+ BLASLONG i=0;
+ FLOAT *x1=x;
+ FLOAT alpha_r1=alpha[0];
+ FLOAT alpha_r2=alpha[1];
+ FLOAT alpha_i1=alpha[2];
+ FLOAT alpha_i2=alpha[3];
+ FLOAT temp00, temp01, temp10, temp11, temp20, temp21, temp30, temp31;
+ FLOAT x0_r, x0_i, x1_r, x1_i, x2_r, x2_i, x3_r, x3_i;
+
+ while ( i<n )
+ {
+ x0_r = x1[0];
+ x0_i = x1[1];
+ x1_r = x1[2];
+ x1_i = x1[3];
+ x2_r = x1[4];
+ x2_i = x1[5];
+ x3_r = x1[6];
+ x3_i = x1[7];
+
+ temp00 = x0_r * alpha_r1;
+ temp10 = x1_r * alpha_r1;
+ temp20 = x2_r * alpha_r1;
+ temp30 = x3_r * alpha_r1;
+
+ temp01 = x0_i * alpha_r2;
+ temp11 = x1_i * alpha_r2;
+ temp21 = x2_i * alpha_r2;
+ temp31 = x3_i * alpha_r2;
+
+ temp00 += x0_i * alpha_i1;
+ temp10 += x1_i * alpha_i1;
+ temp20 += x2_i * alpha_i1;
+ temp30 += x3_i * alpha_i1;
+
+ temp01 += x0_r * alpha_i2;
+ temp11 += x1_r * alpha_i2;
+ temp21 += x2_r * alpha_i2;
+ temp31 += x3_r * alpha_i2;
+
+ x1[0] = temp00;
+ x1[1] = temp01;
+ x1[2] = temp10;
+ x1[3] = temp11;
+ x1[4] = temp20;
+ x1[5] = temp21;
+ x1[6] = temp30;
+ x1[7] = temp31;
+
+ x1 += 8;
+ i+=4;
+
+ }
+ return;
+
+
+}
+
+#endif
+
+int CNAME(BLASLONG n, BLASLONG dummy0, BLASLONG dummy1, FLOAT da_r,FLOAT da_i, FLOAT *x, BLASLONG inc_x, FLOAT *y, BLASLONG inc_y, FLOAT *dummy, BLASLONG dummy2)
+{
+ BLASLONG i=0;
+ BLASLONG inc_x2;
+ BLASLONG ip = 0;
+ FLOAT temp;
+ FLOAT alpha[4] __attribute__ ((aligned (16)));;
+ BLASLONG n1;
+
+ if ( n <= 0 )
+ return(0);
+
+ if ( inc_x <= 0 )
+ return(0);
+
+ if ( inc_x == 1 )
+ {
+
+
+ n1 = n & -8;
+ if ( n1 > 0 )
+ {
+ alpha[0] = da_r;
+ alpha[1] = da_r;
+ alpha[2] = -da_i;
+ alpha[3] = da_i;
+ zscal_kernel_8(n1, x, alpha);
+ i=n1;
+ ip = n1 * 2;
+
+ }
+
+ while ( i < n )
+ {
+
+ temp = da_r * x[ip] - da_i * x[ip+1] ;
+ x[ip+1] = da_r * x[ip+1] + da_i * x[ip] ;
+ x[ip] = temp;
+ ip += 2;
+ i++;
+ }
+
+ }
+ else
+ {
+
+ inc_x2 = 2 * inc_x;
+
+ while ( i < n )
+ {
+
+ temp = da_r * x[ip] - da_i * x[ip+1] ;
+ x[ip+1] = da_r * x[ip+1] + da_i * x[ip] ;
+ x[ip] = temp;
+ ip += inc_x2;
+ i++;
+ }
+
+
+ }
+
+ return(0);
+
+}
+
+
--- /dev/null
+/***************************************************************************
+Copyright (c) 2013-2016, 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.
+*****************************************************************************/
+
+/**************************************************************************************
+* 2016/03/25 Werner Saar (wernsaar@googlemail.com)
+*
+* I don't use fused multipy-add ( lapack precision problems )
+*
+* BLASTEST : OK
+* CTEST : OK
+* TEST : OK
+* LAPACK-TEST : OK
+**************************************************************************************/
+
+#define HAVE_KERNEL_8 1
+
+static void zscal_kernel_8( BLASLONG n, FLOAT *x, FLOAT *alpha) __attribute__ ((noinline));
+
+static void zscal_kernel_8( BLASLONG n, FLOAT *x, FLOAT *alpha)
+{
+
+
+ BLASLONG i = n;
+ BLASLONG o16 = 16;
+ BLASLONG o32 = 32;
+ BLASLONG o48 = 48;
+ BLASLONG o64 = 64;
+ BLASLONG o80 = 80;
+ BLASLONG o96 = 96;
+ BLASLONG o112 = 112;
+ FLOAT *x1=x;
+ FLOAT *x2=x+1;
+ BLASLONG pre = 384;
+
+ __asm__ __volatile__
+ (
+
+ "lxvd2x 32, 0, %3 \n\t" // alpha_r , alpha_r
+ "lxvd2x 33, %5, %3 \n\t" // -alpha_i , alpha_i
+ "addi %1, %1, -8 \n\t"
+
+ "dcbt %2, %4 \n\t"
+
+ "lxvd2x 40, 0, %2 \n\t" // x0_r, x0_i
+ "lxvd2x 41, %5, %2 \n\t"
+ "lxvd2x 42, %6, %2 \n\t"
+ "lxvd2x 43, %7, %2 \n\t"
+ "lxvd2x 44, %8, %2 \n\t"
+ "lxvd2x 45, %9, %2 \n\t"
+ "lxvd2x 46, %10, %2 \n\t"
+ "lxvd2x 47, %11, %2 \n\t"
+
+ "addi %2, %2, 128 \n\t"
+
+ "addic. %0 , %0 , -8 \n\t"
+ "ble 2f \n\t"
+
+ ".align 5 \n\t"
+ "1: \n\t"
+
+ "dcbt %2, %4 \n\t"
+
+ "xvmuldp 48, 40, 32 \n\t" // x0_r * alpha_r, x0_i * alpha_r
+ "xvmuldp 49, 41, 32 \n\t"
+ "xvmuldp 50, 42, 32 \n\t"
+ "xvmuldp 51, 43, 32 \n\t"
+ "xvmuldp 52, 44, 32 \n\t"
+ "xvmuldp 53, 45, 32 \n\t"
+ "xvmuldp 54, 46, 32 \n\t"
+ "xvmuldp 55, 47, 32 \n\t"
+
+ "xxswapd 56, 40 \n\t"
+ "xxswapd 57, 41 \n\t"
+ "xxswapd 58, 42 \n\t"
+ "xxswapd 59, 43 \n\t"
+ "xxswapd 60, 44 \n\t"
+ "xxswapd 61, 45 \n\t"
+ "xxswapd 62, 46 \n\t"
+ "xxswapd 63, 47 \n\t"
+
+ "xvmuldp 56, 56, 33 \n\t" // x0_i * -alpha_i, x0_r * alpha_i
+ "xvmuldp 57, 57, 33 \n\t"
+
+ "lxvd2x 40, 0, %2 \n\t" // x0_r, x0_i
+ "lxvd2x 41, %5, %2 \n\t"
+
+ "xvmuldp 58, 58, 33 \n\t"
+ "xvmuldp 59, 59, 33 \n\t"
+
+ "lxvd2x 42, %6, %2 \n\t"
+ "lxvd2x 43, %7, %2 \n\t"
+
+ "xvmuldp 60, 60, 33 \n\t"
+ "xvmuldp 61, 61, 33 \n\t"
+
+ "lxvd2x 44, %8, %2 \n\t"
+ "lxvd2x 45, %9, %2 \n\t"
+
+ "xvmuldp 62, 62, 33 \n\t"
+ "xvmuldp 63, 63, 33 \n\t"
+
+ "lxvd2x 46, %10, %2 \n\t"
+ "lxvd2x 47, %11, %2 \n\t"
+
+ "xvadddp 48, 48 , 56 \n\t"
+ "xvadddp 49, 49 , 57 \n\t"
+ "xvadddp 50, 50 , 58 \n\t"
+ "xvadddp 51, 51 , 59 \n\t"
+
+ "stxvd2x 48, 0, %1 \n\t"
+ "stxvd2x 49, %5, %1 \n\t"
+
+ "xvadddp 52, 52 , 60 \n\t"
+ "xvadddp 53, 53 , 61 \n\t"
+
+ "stxvd2x 50, %6, %1 \n\t"
+ "stxvd2x 51, %7, %1 \n\t"
+
+ "xvadddp 54, 54 , 62 \n\t"
+ "xvadddp 55, 55 , 63 \n\t"
+
+ "stxvd2x 52, %8, %1 \n\t"
+ "stxvd2x 53, %9, %1 \n\t"
+ "stxvd2x 54, %10, %1 \n\t"
+ "stxvd2x 55, %11, %1 \n\t"
+
+ "addi %1, %1, 128 \n\t"
+ "addi %2, %2, 128 \n\t"
+
+ "addic. %0 , %0 , -8 \n\t"
+ "bgt 1b \n\t"
+
+ "2: \n\t"
+
+ "xvmuldp 48, 40, 32 \n\t" // x0_r * alpha_r, x0_i * alpha_r
+ "xvmuldp 49, 41, 32 \n\t"
+ "xvmuldp 50, 42, 32 \n\t"
+ "xvmuldp 51, 43, 32 \n\t"
+ "xvmuldp 52, 44, 32 \n\t"
+ "xvmuldp 53, 45, 32 \n\t"
+ "xvmuldp 54, 46, 32 \n\t"
+ "xvmuldp 55, 47, 32 \n\t"
+
+ "xxswapd 56, 40 \n\t"
+ "xxswapd 57, 41 \n\t"
+ "xxswapd 58, 42 \n\t"
+ "xxswapd 59, 43 \n\t"
+ "xxswapd 60, 44 \n\t"
+ "xxswapd 61, 45 \n\t"
+ "xxswapd 62, 46 \n\t"
+ "xxswapd 63, 47 \n\t"
+
+ "xvmuldp 56, 56, 33 \n\t" // x0_i * -alpha_i, x0_r * alpha_i
+ "xvmuldp 57, 57, 33 \n\t"
+ "xvmuldp 58, 58, 33 \n\t"
+ "xvmuldp 59, 59, 33 \n\t"
+ "xvmuldp 60, 60, 33 \n\t"
+ "xvmuldp 61, 61, 33 \n\t"
+ "xvmuldp 62, 62, 33 \n\t"
+ "xvmuldp 63, 63, 33 \n\t"
+
+ "xvadddp 48, 48 , 56 \n\t"
+ "xvadddp 49, 49 , 57 \n\t"
+ "xvadddp 50, 50 , 58 \n\t"
+ "xvadddp 51, 51 , 59 \n\t"
+ "xvadddp 52, 52 , 60 \n\t"
+ "xvadddp 53, 53 , 61 \n\t"
+ "xvadddp 54, 54 , 62 \n\t"
+ "xvadddp 55, 55 , 63 \n\t"
+
+ "stxvd2x 48, 0, %1 \n\t"
+ "stxvd2x 49, %5, %1 \n\t"
+ "stxvd2x 50, %6, %1 \n\t"
+ "stxvd2x 51, %7, %1 \n\t"
+ "stxvd2x 52, %8, %1 \n\t"
+ "stxvd2x 53, %9, %1 \n\t"
+ "stxvd2x 54, %10, %1 \n\t"
+ "stxvd2x 55, %11, %1 \n\t"
+
+
+ :
+ :
+ "r" (i), // 0
+ "r" (x2), // 1
+ "r" (x1), // 2
+ "r" (alpha), // 3
+ "r" (pre), // 4
+ "r" (o16), // 5
+ "r" (o32), // 6
+ "r" (o48), // 7
+ "r" (o64), // 8
+ "r" (o80), // 9
+ "r" (o96), // 10
+ "r" (o112) // 11
+ : "cr0", "%0", "%2" , "%1", "memory"
+ );
+
+}
+
+