floraachy
/
OpenBLAS
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

[ZARCH] Add Z13 version for max/min functions

This commit is contained in:
maamountki 2019-01-31 19:11:11 +02:00 committed by GitHub
parent 48b9b94f7f
commit 29416cb5a3
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
7 changed files with 1216 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
kernel/zarch/KERNEL.Z13
View File

@ -1,18 +1,18 @@
SAMAXKERNEL = ../arm/amax.c
DAMAXKERNEL = damax.c
DAMAXKERNEL = damax_z13.c
CAMAXKERNEL = ../arm/zamax.c
ZAMAXKERNEL = zamax.c
ZAMAXKERNEL = zamax_z13.c
SAMINKERNEL = ../arm/amin.c
DAMINKERNEL = damin.c
DAMINKERNEL = damin_z13.c
CAMINKERNEL = ../arm/zamin.c
ZAMINKERNEL = zamin.c
ZAMINKERNEL = zamin_z13.c
SMAXKERNEL = ../arm/max.c
DMAXKERNEL = dmax.c
DMAXKERNEL = dmax_z13.c
SMINKERNEL = ../arm/min.c
DMINKERNEL = dmin.c
DMINKERNEL = dmin_z13.c
ISAMAXKERNEL = ../arm/iamax.c
IDAMAXKERNEL = idamax.c

204
kernel/zarch/damax_z13.c Normal file
View File

@ -0,0 +1,204 @@
/***************************************************************************
Copyright (c) 2013-2017, 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"
#include <math.h>
#if defined(DOUBLE)
#define ABS fabs
#else
#define ABS fabsf
#endif
static FLOAT damax_kernel_32(BLASLONG n, FLOAT *x)
{
FLOAT amax;
__asm__ volatile (
"vl %%v0,0(%2) \n\t"
"vflpdb %%v0,%%v0 \n\t"
"srlg %%r0,%1,5 \n\t"
"xgr %%r1,%%r1 \n\t"
"0: \n\t"
"pfd 1, 1024(%%r1,%2) \n\t"
"vl %%v16,0(%%r1,%2) \n\t"
"vl %%v17,16(%%r1,%2) \n\t"
"vl %%v18,32(%%r1,%2) \n\t"
"vl %%v19,48(%%r1,%2) \n\t"
"vl %%v20,64(%%r1,%2) \n\t"
"vl %%v21,80(%%r1,%2) \n\t"
"vl %%v22,96(%%r1,%2) \n\t"
"vl %%v23,112(%%r1,%2) \n\t"
"vflpdb %%v16, %%v16 \n\t"
"vflpdb %%v17, %%v17 \n\t"
"vflpdb %%v18, %%v18 \n\t"
"vflpdb %%v19, %%v19 \n\t"
"vflpdb %%v20, %%v20 \n\t"
"vflpdb %%v21, %%v21 \n\t"
"vflpdb %%v22, %%v22 \n\t"
"vflpdb %%v23, %%v23 \n\t"
"vfchdb %%v24,%%v16,%%v17 \n\t"
"vfchdb %%v25,%%v18,%%v19 \n\t"
"vfchdb %%v26,%%v20,%%v21 \n\t"
"vfchdb %%v27,%%v22,%%v23 \n\t"
"vsel %%v24,%%v16,%%v17,%%v24 \n\t"
"vsel %%v25,%%v18,%%v19,%%v25 \n\t"
"vsel %%v26,%%v20,%%v21,%%v26 \n\t"
"vsel %%v27,%%v22,%%v23,%%v27 \n\t"
"vfchdb %%v28,%%v24,%%v25 \n\t"
"vfchdb %%v29,%%v26,%%v27 \n\t"
"vsel %%v28,%%v24,%%v25,%%v28 \n\t"
"vsel %%v29,%%v26,%%v27,%%v29 \n\t"
"vfchdb %%v30,%%v28,%%v29 \n\t"
"vsel %%v30,%%v28,%%v29,%%v30 \n\t"
"vfchdb %%v31,%%v30,%%v0 \n\t"
"vsel %%v0,%%v30,%%v0,%%v31 \n\t"
"vl %%v16,128(%%r1,%2) \n\t"
"vl %%v17,144(%%r1,%2) \n\t"
"vl %%v18,160(%%r1,%2) \n\t"
"vl %%v19,176(%%r1,%2) \n\t"
"vl %%v20,192(%%r1,%2) \n\t"
"vl %%v21,208(%%r1,%2) \n\t"
"vl %%v22,224(%%r1,%2) \n\t"
"vl %%v23,240(%%r1,%2) \n\t"
"vflpdb %%v16, %%v16 \n\t"
"vflpdb %%v17, %%v17 \n\t"
"vflpdb %%v18, %%v18 \n\t"
"vflpdb %%v19, %%v19 \n\t"
"vflpdb %%v20, %%v20 \n\t"
"vflpdb %%v21, %%v21 \n\t"
"vflpdb %%v22, %%v22 \n\t"
"vflpdb %%v23, %%v23 \n\t"
"vfchdb %%v24,%%v16,%%v17 \n\t"
"vfchdb %%v25,%%v18,%%v19 \n\t"
"vfchdb %%v26,%%v20,%%v21 \n\t"
"vfchdb %%v27,%%v22,%%v23 \n\t"
"vsel %%v24,%%v16,%%v17,%%v24 \n\t"
"vsel %%v25,%%v18,%%v19,%%v25 \n\t"
"vsel %%v26,%%v20,%%v21,%%v26 \n\t"
"vsel %%v27,%%v22,%%v23,%%v27 \n\t"
"vfchdb %%v28,%%v24,%%v25 \n\t"
"vfchdb %%v29,%%v26,%%v27 \n\t"
"vsel %%v28,%%v24,%%v25,%%v28 \n\t"
"vsel %%v29,%%v26,%%v27,%%v29 \n\t"
"vfchdb %%v30,%%v28,%%v29 \n\t"
"vsel %%v30,%%v28,%%v29,%%v30 \n\t"
"vfchdb %%v31,%%v30,%%v0 \n\t"
"vsel %%v0,%%v30,%%v0,%%v31 \n\t"
"agfi %%r1, 256 \n\t"
"brctg %%r0, 0b \n\t"
"vrepg %%v16,%%v0,1 \n\t"
"wfchdb %%v17,%%v0,%%v16 \n\t"
"vsel %%v0,%%v0,%%v16,%%v17 \n\t"
"ldr %0,%%f0 "
:"=f"(amax)
:"r"(n),"ZR"((const FLOAT (*)[n])x)
:"memory","cc","r0","r1","v0","v16","v17","v18","v19","v20","v21","v22","v23","v24","v25","v26","v27","v28","v29","v30","v31"
);
return amax;
}
FLOAT CNAME(BLASLONG n, FLOAT *x, BLASLONG inc_x) {
BLASLONG i = 0;
BLASLONG j = 0;
FLOAT maxf = 0.0;
if (n <= 0 || inc_x <= 0) return (maxf);
if (inc_x == 1) {
BLASLONG n1 = n & -32;
if (n1 > 0) {
maxf = damax_kernel_32(n1, x);
i = n1;
}
else
{
maxf=ABS(x[0]);
i++;
}
while (i < n) {
if (ABS(x[i]) > maxf) {
maxf = ABS(x[i]);
}
i++;
}
return (maxf);
} else {
maxf=ABS(x[0]);
BLASLONG n1 = n & -4;
while (j < n1) {
if (ABS(x[i]) > maxf) {
maxf = ABS(x[i]);
}
if (ABS(x[i + inc_x]) > maxf) {
maxf = ABS(x[i + inc_x]);
}
if (ABS(x[i + 2 * inc_x]) > maxf) {
maxf = ABS(x[i + 2 * inc_x]);
}
if (ABS(x[i + 3 * inc_x]) > maxf) {
maxf = ABS(x[i + 3 * inc_x]);
}
i += inc_x * 4;
j += 4;
}
while (j < n) {
if (ABS(x[i]) > maxf) {
maxf = ABS(x[i]);
}
i += inc_x;
j++;
}
return (maxf);
}
}

204
kernel/zarch/damin_z13.c Normal file
View File

@ -0,0 +1,204 @@
/***************************************************************************
Copyright (c) 2013-2017, 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"
#include <math.h>
#if defined(DOUBLE)
#define ABS fabs
#else
#define ABS fabsf
#endif
static FLOAT damin_kernel_32(BLASLONG n, FLOAT *x)
{
FLOAT amin;
__asm__ volatile (
"vl %%v0,0(%2) \n\t"
"vflpdb %%v0,%%v0 \n\t"
"srlg %%r0,%1,5 \n\t"
"xgr %%r1,%%r1 \n\t"
"0: \n\t"
"pfd 1, 1024(%%r1,%2) \n\t"
"vl %%v16,0(%%r1,%2) \n\t"
"vl %%v17,16(%%r1,%2) \n\t"
"vl %%v18,32(%%r1,%2) \n\t"
"vl %%v19,48(%%r1,%2) \n\t"
"vl %%v20,64(%%r1,%2) \n\t"
"vl %%v21,80(%%r1,%2) \n\t"
"vl %%v22,96(%%r1,%2) \n\t"
"vl %%v23,112(%%r1,%2) \n\t"
"vflpdb %%v16, %%v16 \n\t"
"vflpdb %%v17, %%v17 \n\t"
"vflpdb %%v18, %%v18 \n\t"
"vflpdb %%v19, %%v19 \n\t"
"vflpdb %%v20, %%v20 \n\t"
"vflpdb %%v21, %%v21 \n\t"
"vflpdb %%v22, %%v22 \n\t"
"vflpdb %%v23, %%v23 \n\t"
"vfchdb %%v24,%%v17,%%v16 \n\t"
"vfchdb %%v25,%%v19,%%v18 \n\t"
"vfchdb %%v26,%%v21,%%v20 \n\t"
"vfchdb %%v27,%%v23,%%v22 \n\t"
"vsel %%v24,%%v16,%%v17,%%v24 \n\t"
"vsel %%v25,%%v18,%%v19,%%v25 \n\t"
"vsel %%v26,%%v20,%%v21,%%v26 \n\t"
"vsel %%v27,%%v22,%%v23,%%v27 \n\t"
"vfchdb %%v28,%%v25,%%v24 \n\t"
"vfchdb %%v29,%%v27,%%v26 \n\t"
"vsel %%v28,%%v24,%%v25,%%v28 \n\t"
"vsel %%v29,%%v26,%%v27,%%v29 \n\t"
"vfchdb %%v30,%%v29,%%v28 \n\t"
"vsel %%v30,%%v28,%%v29,%%v30 \n\t"
"vfchdb %%v31,%%v0,%%v30 \n\t"
"vsel %%v0,%%v30,%%v0,%%v31 \n\t"
"vl %%v16,128(%%r1,%2) \n\t"
"vl %%v17,144(%%r1,%2) \n\t"
"vl %%v18,160(%%r1,%2) \n\t"
"vl %%v19,176(%%r1,%2) \n\t"
"vl %%v20,192(%%r1,%2) \n\t"
"vl %%v21,208(%%r1,%2) \n\t"
"vl %%v22,224(%%r1,%2) \n\t"
"vl %%v23,240(%%r1,%2) \n\t"
"vflpdb %%v16, %%v16 \n\t"
"vflpdb %%v17, %%v17 \n\t"
"vflpdb %%v18, %%v18 \n\t"
"vflpdb %%v19, %%v19 \n\t"
"vflpdb %%v20, %%v20 \n\t"
"vflpdb %%v21, %%v21 \n\t"
"vflpdb %%v22, %%v22 \n\t"
"vflpdb %%v23, %%v23 \n\t"
"vfchdb %%v24,%%v17,%%v16 \n\t"
"vfchdb %%v25,%%v19,%%v18 \n\t"
"vfchdb %%v26,%%v21,%%v20 \n\t"
"vfchdb %%v27,%%v23,%%v22 \n\t"
"vsel %%v24,%%v16,%%v17,%%v24 \n\t"
"vsel %%v25,%%v18,%%v19,%%v25 \n\t"
"vsel %%v26,%%v20,%%v21,%%v26 \n\t"
"vsel %%v27,%%v22,%%v23,%%v27 \n\t"
"vfchdb %%v28,%%v25,%%v24 \n\t"
"vfchdb %%v29,%%v27,%%v26 \n\t"
"vsel %%v28,%%v24,%%v25,%%v28 \n\t"
"vsel %%v29,%%v26,%%v27,%%v29 \n\t"
"vfchdb %%v30,%%v29,%%v28 \n\t"
"vsel %%v30,%%v28,%%v29,%%v30 \n\t"
"vfchdb %%v31,%%v0,%%v30 \n\t"
"vsel %%v0,%%v30,%%v0,%%v31 \n\t"
"agfi %%r1, 256 \n\t"
"brctg %%r0, 0b \n\t"
"vrepg %%v16,%%v0,1 \n\t"
"wfchdb %%v17,%%v16,%%v0 \n\t"
"vsel %%v0,%%v0,%%v16,%%v17 \n\t"
"ldr %0,%%f0 "
:"=f"(amin)
:"r"(n),"ZR"((const FLOAT (*)[n])x)
:"memory","cc","r0","r1","v0","v16","v17","v18","v19","v20","v21","v22","v23","v24","v25","v26","v27","v28","v29","v30","v31"
);
return amin;
}
FLOAT CNAME(BLASLONG n, FLOAT *x, BLASLONG inc_x) {
BLASLONG i = 0;
BLASLONG j = 0;
FLOAT minf = 0.0;
if (n <= 0 || inc_x <= 0) return (minf);
if (inc_x == 1) {
BLASLONG n1 = n & -32;
if (n1 > 0) {
minf = damin_kernel_32(n1, x);
i = n1;
}
else
{
minf=ABS(x[0]);
i++;
}
while (i < n) {
if (ABS(x[i]) < minf) {
minf = ABS(x[i]);
}
i++;
}
return (minf);
} else {
minf=ABS(x[0]);
BLASLONG n1 = n & -4;
while (j < n1) {
if (ABS(x[i]) < minf) {
minf = ABS(x[i]);
}
if (ABS(x[i + inc_x]) < minf) {
minf = ABS(x[i + inc_x]);
}
if (ABS(x[i + 2 * inc_x]) < minf) {
minf = ABS(x[i + 2 * inc_x]);
}
if (ABS(x[i + 3 * inc_x]) < minf) {
minf = ABS(x[i + 3 * inc_x]);
}
i += inc_x * 4;
j += 4;
}
while (j < n) {
if (ABS(x[i]) < minf) {
minf = ABS(x[i]);
}
i += inc_x;
j++;
}
return (minf);
}
}

180
kernel/zarch/dmax_z13.c Normal file
View File

@ -0,0 +1,180 @@
/***************************************************************************
Copyright (c) 2013-2017, 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"
static FLOAT dmax_kernel_32(BLASLONG n, FLOAT *x)
{
FLOAT max;
__asm__ volatile (
"vl %%v0,0(%2) \n\t"
"srlg %%r0,%1,5 \n\t"
"xgr %%r1,%%r1 \n\t"
"0: \n\t"
"pfd 1, 1024(%%r1,%2) \n\t"
"vl %%v16,0(%%r1,%2) \n\t"
"vl %%v17,16(%%r1,%2) \n\t"
"vl %%v18,32(%%r1,%2) \n\t"
"vl %%v19,48(%%r1,%2) \n\t"
"vl %%v20,64(%%r1,%2) \n\t"
"vl %%v21,80(%%r1,%2) \n\t"
"vl %%v22,96(%%r1,%2) \n\t"
"vl %%v23,112(%%r1,%2) \n\t"
"vfchdb %%v24,%%v16,%%v17 \n\t"
"vfchdb %%v25,%%v18,%%v19 \n\t"
"vfchdb %%v26,%%v20,%%v21 \n\t"
"vfchdb %%v27,%%v22,%%v23 \n\t"
"vsel %%v24,%%v16,%%v17,%%v24 \n\t"
"vsel %%v25,%%v18,%%v19,%%v25 \n\t"
"vsel %%v26,%%v20,%%v21,%%v26 \n\t"
"vsel %%v27,%%v22,%%v23,%%v27 \n\t"
"vfchdb %%v28,%%v24,%%v25 \n\t"
"vfchdb %%v29,%%v26,%%v27 \n\t"
"vsel %%v28,%%v24,%%v25,%%v28 \n\t"
"vsel %%v29,%%v26,%%v27,%%v29 \n\t"
"vfchdb %%v30,%%v28,%%v29 \n\t"
"vsel %%v30,%%v28,%%v29,%%v30 \n\t"
"vfchdb %%v31,%%v30,%%v0 \n\t"
"vsel %%v0,%%v30,%%v0,%%v31 \n\t"
"vl %%v16,128(%%r1,%2) \n\t"
"vl %%v17,144(%%r1,%2) \n\t"
"vl %%v18,160(%%r1,%2) \n\t"
"vl %%v19,176(%%r1,%2) \n\t"
"vl %%v20,192(%%r1,%2) \n\t"
"vl %%v21,208(%%r1,%2) \n\t"
"vl %%v22,224(%%r1,%2) \n\t"
"vl %%v23,240(%%r1,%2) \n\t"
"vfchdb %%v24,%%v16,%%v17 \n\t"
"vfchdb %%v25,%%v18,%%v19 \n\t"
"vfchdb %%v26,%%v20,%%v21 \n\t"
"vfchdb %%v27,%%v22,%%v23 \n\t"
"vsel %%v24,%%v16,%%v17,%%v24 \n\t"
"vsel %%v25,%%v18,%%v19,%%v25 \n\t"
"vsel %%v26,%%v20,%%v21,%%v26 \n\t"
"vsel %%v27,%%v22,%%v23,%%v27 \n\t"
"vfchdb %%v28,%%v24,%%v25 \n\t"
"vfchdb %%v29,%%v26,%%v27 \n\t"
"vsel %%v28,%%v24,%%v25,%%v28 \n\t"
"vsel %%v29,%%v26,%%v27,%%v29 \n\t"
"vfchdb %%v30,%%v28,%%v29 \n\t"
"vsel %%v30,%%v28,%%v29,%%v30 \n\t"
"vfchdb %%v31,%%v30,%%v0 \n\t"
"vsel %%v0,%%v30,%%v0,%%v31 \n\t"
"agfi %%r1, 256 \n\t"
"brctg %%r0, 0b \n\t"
"vrepg %%v16,%%v0,1 \n\t"
"wfchdb %%v17,%%v0,%%v16 \n\t"
"vsel %%v0,%%v0,%%v16,%%v17 \n\t"
"ldr %0,%%f0 "
:"=f"(max)
:"r"(n),"ZR"((const FLOAT (*)[n])x)
:"memory","cc","r0","r1","v0","v16","v17","v18","v19","v20","v21","v22","v23","v24","v25","v26","v27","v28","v29","v30","v31"
);
return max;
}
FLOAT CNAME(BLASLONG n, FLOAT *x, BLASLONG inc_x) {
BLASLONG i = 0;
BLASLONG j = 0;
FLOAT maxf = 0.0;
if (n <= 0 || inc_x <= 0) return (maxf);
if (inc_x == 1) {
BLASLONG n1 = n & -32;
if (n1 > 0) {
maxf = dmax_kernel_32(n1, x);
i = n1;
}
else
{
maxf=x[0];
i++;
}
while (i < n) {
if (x[i] > maxf) {
maxf = x[i];
}
i++;
}
return (maxf);
} else {
maxf=x[0];
BLASLONG n1 = n & -4;
while (j < n1) {
if (x[i] > maxf) {
maxf = x[i];
}
if (x[i + inc_x] > maxf) {
maxf = x[i + inc_x];
}
if (x[i + 2 * inc_x] > maxf) {
maxf = x[i + 2 * inc_x];
}
if (x[i + 3 * inc_x] > maxf) {
maxf = x[i + 3 * inc_x];
}
i += inc_x * 4;
j += 4;
}
while (j < n) {
if (x[i] > maxf) {
maxf = x[i];
}
i += inc_x;
j++;
}
return (maxf);
}
}

180
kernel/zarch/dmin_z13.c Normal file
View File

@ -0,0 +1,180 @@
/***************************************************************************
Copyright (c) 2013-2017, 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"
static FLOAT dmin_kernel_32(BLASLONG n, FLOAT *x)
{
FLOAT min;
__asm__ volatile (
"vl %%v0,0(%2) \n\t"
"srlg %%r0,%1,5 \n\t"
"xgr %%r1,%%r1 \n\t"
"0: \n\t"
"pfd 1, 1024(%%r1,%2) \n\t"
"vl %%v16,0(%%r1,%2) \n\t"
"vl %%v17,16(%%r1,%2) \n\t"
"vl %%v18,32(%%r1,%2) \n\t"
"vl %%v19,48(%%r1,%2) \n\t"
"vl %%v20,64(%%r1,%2) \n\t"
"vl %%v21,80(%%r1,%2) \n\t"
"vl %%v22,96(%%r1,%2) \n\t"
"vl %%v23,112(%%r1,%2) \n\t"
"vfchdb %%v24,%%v17,%%v16 \n\t"
"vfchdb %%v25,%%v19,%%v18 \n\t"
"vfchdb %%v26,%%v21,%%v20 \n\t"
"vfchdb %%v27,%%v23,%%v22 \n\t"
"vsel %%v24,%%v16,%%v17,%%v24 \n\t"
"vsel %%v25,%%v18,%%v19,%%v25 \n\t"
"vsel %%v26,%%v20,%%v21,%%v26 \n\t"
"vsel %%v27,%%v22,%%v23,%%v27 \n\t"
"vfchdb %%v28,%%v25,%%v24 \n\t"
"vfchdb %%v29,%%v27,%%v26 \n\t"
"vsel %%v28,%%v24,%%v25,%%v28 \n\t"
"vsel %%v29,%%v26,%%v27,%%v29 \n\t"
"vfchdb %%v30,%%v29,%%v28 \n\t"
"vsel %%v30,%%v28,%%v29,%%v30 \n\t"
"vfchdb %%v31,%%v0,%%v30 \n\t"
"vsel %%v0,%%v30,%%v0,%%v31 \n\t"
"vl %%v16,128(%%r1,%2) \n\t"
"vl %%v17,144(%%r1,%2) \n\t"
"vl %%v18,160(%%r1,%2) \n\t"
"vl %%v19,176(%%r1,%2) \n\t"
"vl %%v20,192(%%r1,%2) \n\t"
"vl %%v21,208(%%r1,%2) \n\t"
"vl %%v22,224(%%r1,%2) \n\t"
"vl %%v23,240(%%r1,%2) \n\t"
"vfchdb %%v24,%%v17,%%v16 \n\t"
"vfchdb %%v25,%%v19,%%v18 \n\t"
"vfchdb %%v26,%%v21,%%v20 \n\t"
"vfchdb %%v27,%%v23,%%v22 \n\t"
"vsel %%v24,%%v16,%%v17,%%v24 \n\t"
"vsel %%v25,%%v18,%%v19,%%v25 \n\t"
"vsel %%v26,%%v20,%%v21,%%v26 \n\t"
"vsel %%v27,%%v22,%%v23,%%v27 \n\t"
"vfchdb %%v28,%%v25,%%v24 \n\t"
"vfchdb %%v29,%%v27,%%v26 \n\t"
"vsel %%v28,%%v24,%%v25,%%v28 \n\t"
"vsel %%v29,%%v26,%%v27,%%v29 \n\t"
"vfchdb %%v30,%%v29,%%v28 \n\t"
"vsel %%v30,%%v28,%%v29,%%v30 \n\t"
"vfchdb %%v31,%%v0,%%v30 \n\t"
"vsel %%v0,%%v30,%%v0,%%v31 \n\t"
"agfi %%r1, 256 \n\t"
"brctg %%r0, 0b \n\t"
"vrepg %%v16,%%v0,1 \n\t"
"wfchdb %%v17,%%v16,%%v0 \n\t"
"vsel %%v0,%%v0,%%v16,%%v17 \n\t"
"ldr %0,%%f0 "
:"=f"(min)
:"r"(n),"ZR"((const FLOAT (*)[n])x)
:"memory","cc","r0","r1","v0","v16","v17","v18","v19","v20","v21","v22","v23","v24","v25","v26","v27","v28","v29","v30","v31"
);
return min;
}
FLOAT CNAME(BLASLONG n, FLOAT *x, BLASLONG inc_x) {
BLASLONG i = 0;
BLASLONG j = 0;
FLOAT minf = 0.0;
if (n <= 0 || inc_x <= 0) return (minf);
if (inc_x == 1) {
BLASLONG n1 = n & -32;
if (n1 > 0) {
minf = dmin_kernel_32(n1, x);
i = n1;
}
else
{
minf=x[0];
i++;
}
while (i < n) {
if (x[i] < minf) {
minf = x[i];
}
i++;
}
return (minf);
} else {
minf=x[0];
BLASLONG n1 = n & -4;
while (j < n1) {
if (x[i] < minf) {
minf = x[i];
}
if (x[i + inc_x] < minf) {
minf = x[i + inc_x];
}
if (x[i + 2 * inc_x] < minf) {
minf = x[i + 2 * inc_x];
}
if (x[i + 3 * inc_x] < minf) {
minf = x[i + 3 * inc_x];
}
i += inc_x * 4;
j += 4;
}
while (j < n) {
if (x[i] < minf) {
minf = x[i];
}
i += inc_x;
j++;
}
return (minf);
}
}

221
kernel/zarch/zamax_z13.c Normal file
View File

@ -0,0 +1,221 @@
/***************************************************************************
Copyright (c) 2013-2017, 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"
#include <math.h>
#if defined(DOUBLE)
#define ABS fabs
#else
#define ABS fabsf
#endif
#define CABS1(x,i) (ABS(x[i]) + ABS(x[i + 1]))
static FLOAT zamax_kernel_16(BLASLONG n, FLOAT *x)
{
FLOAT amax;
__asm__ volatile (
"vleg %%v0,0(%2),0 \n\t"
"vleg %%v16,8(%2),0 \n\t"
"vleg %%v0,16(%2),1 \n\t"
"vleg %%v16,24(%2),1 \n\t"
"vflpdb %%v0,%%v0 \n\t"
"vflpdb %%v16,%%v16 \n\t"
"vfadb %%v0,%%v0,%%v16 \n\t"
"srlg %%r0,%1,4 \n\t"
"xgr %%r1,%%r1 \n\t"
"0: \n\t"
"pfd 1, 1024(%%r1,%2) \n\t"
"vleg %%v16,0(%%r1,%2),0 \n\t"
"vleg %%v17,8(%%r1,%2),0 \n\t"
"vleg %%v16,16(%%r1,%2),1 \n\t"
"vleg %%v17,24(%%r1,%2),1 \n\t"
"vleg %%v18,32(%%r1,%2),0 \n\t"
"vleg %%v19,40(%%r1,%2),0 \n\t"
"vleg %%v18,48(%%r1,%2),1 \n\t"
"vleg %%v19,56(%%r1,%2),1 \n\t"
"vleg %%v20,64(%%r1,%2),0 \n\t"
"vleg %%v21,72(%%r1,%2),0 \n\t"
"vleg %%v20,80(%%r1,%2),1 \n\t"
"vleg %%v21,88(%%r1,%2),1 \n\t"
"vleg %%v22,96(%%r1,%2),0 \n\t"
"vleg %%v23,104(%%r1,%2),0 \n\t"
"vleg %%v22,112(%%r1,%2),1 \n\t"
"vleg %%v23,120(%%r1,%2),1 \n\t"
"vflpdb %%v16, %%v16 \n\t"
"vflpdb %%v17, %%v17 \n\t"
"vflpdb %%v18, %%v18 \n\t"
"vflpdb %%v19, %%v19 \n\t"
"vflpdb %%v20, %%v20 \n\t"
"vflpdb %%v21, %%v21 \n\t"
"vflpdb %%v22, %%v22 \n\t"
"vflpdb %%v23, %%v23 \n\t"
"vfadb %%v16,%%v16,%%v17 \n\t"
"vfadb %%v17,%%v18,%%v19 \n\t"
"vfadb %%v18,%%v20,%%v21 \n\t"
"vfadb %%v19,%%v22,%%v23 \n\t"
"vfchdb %%v24,%%v16,%%v17 \n\t"
"vfchdb %%v25,%%v18,%%v19 \n\t"
"vsel %%v24,%%v16,%%v17,%%v24 \n\t"
"vsel %%v25,%%v18,%%v19,%%v25 \n\t"
"vfchdb %%v26,%%v24,%%v25 \n\t"
"vsel %%v26,%%v24,%%v25,%%v26 \n\t"
"vfchdb %%v27,%%v26,%%v0 \n\t"
"vsel %%v0,%%v26,%%v0,%%v27 \n\t"
"vleg %%v16,128(%%r1,%2),0 \n\t"
"vleg %%v17,136(%%r1,%2),0 \n\t"
"vleg %%v16,144(%%r1,%2),1 \n\t"
"vleg %%v17,152(%%r1,%2),1 \n\t"
"vleg %%v18,160(%%r1,%2),0 \n\t"
"vleg %%v19,168(%%r1,%2),0 \n\t"
"vleg %%v18,176(%%r1,%2),1 \n\t"
"vleg %%v19,184(%%r1,%2),1 \n\t"
"vleg %%v20,192(%%r1,%2),0 \n\t"
"vleg %%v21,200(%%r1,%2),0 \n\t"
"vleg %%v20,208(%%r1,%2),1 \n\t"
"vleg %%v21,216(%%r1,%2),1 \n\t"
"vleg %%v22,224(%%r1,%2),0 \n\t"
"vleg %%v23,232(%%r1,%2),0 \n\t"
"vleg %%v22,240(%%r1,%2),1 \n\t"
"vleg %%v23,248(%%r1,%2),1 \n\t"
"vflpdb %%v16, %%v16 \n\t"
"vflpdb %%v17, %%v17 \n\t"
"vflpdb %%v18, %%v18 \n\t"
"vflpdb %%v19, %%v19 \n\t"
"vflpdb %%v20, %%v20 \n\t"
"vflpdb %%v21, %%v21 \n\t"
"vflpdb %%v22, %%v22 \n\t"
"vflpdb %%v23, %%v23 \n\t"
"vfadb %%v16,%%v16,%%v17 \n\t"
"vfadb %%v17,%%v18,%%v19 \n\t"
"vfadb %%v18,%%v20,%%v21 \n\t"
"vfadb %%v19,%%v22,%%v23 \n\t"
"vfchdb %%v24,%%v16,%%v17 \n\t"
"vfchdb %%v25,%%v18,%%v19 \n\t"
"vsel %%v24,%%v16,%%v17,%%v24 \n\t"
"vsel %%v25,%%v18,%%v19,%%v25 \n\t"
"vfchdb %%v26,%%v24,%%v25 \n\t"
"vsel %%v26,%%v24,%%v25,%%v26 \n\t"
"vfchdb %%v27,%%v26,%%v0 \n\t"
"vsel %%v0,%%v26,%%v0,%%v27 \n\t"
"agfi %%r1, 256 \n\t"
"brctg %%r0, 0b \n\t"
"vrepg %%v16,%%v0,1 \n\t"
"wfchdb %%v17,%%v0,%%v16 \n\t"
"vsel %%v0,%%v0,%%v16,%%v17 \n\t"
"ldr %0,%%f0 "
:"=f"(amax)
:"r"(n),"ZR"((const FLOAT (*)[n])x)
:"memory","cc","r0","r1","v0","v16","v17","v18","v19","v20","v21","v22","v23","v24","v25","v26","v27"
);
return amax;
}
FLOAT CNAME(BLASLONG n, FLOAT *x, BLASLONG inc_x) {
BLASLONG i = 0;
BLASLONG ix = 0;
FLOAT maxf = 0.0;
BLASLONG inc_x2;
if (n <= 0 || inc_x <= 0) return (maxf);
if (inc_x == 1) {
BLASLONG n1 = n & -16;
if (n1 > 0) {
maxf = zamax_kernel_16(n1, x);
ix = n1 * 2;
i = n1;
}
else
{
maxf=CABS1(x,0);
ix += 2;
i++;
}
while (i < n) {
if (CABS1(x,ix) > maxf) {
maxf = CABS1(x,ix);
}
ix += 2;
i++;
}
return (maxf);
} else {
maxf=CABS1(x,0);
inc_x2 = 2 * inc_x;
BLASLONG n1 = n & -4;
while (i < n1) {
if (CABS1(x,ix) > maxf) {
maxf = CABS1(x,ix);
}
if (CABS1(x,ix+inc_x2) > maxf) {
maxf = CABS1(x,ix+inc_x2);
}
if (CABS1(x,ix+inc_x2*2) > maxf) {
maxf = CABS1(x,ix+inc_x2*2);
}
if (CABS1(x,ix+inc_x2*3) > maxf) {
maxf = CABS1(x,ix+inc_x2*3);
}
ix += inc_x2 * 4;
i += 4;
}
while (i < n) {
if (CABS1(x,ix) > maxf) {
maxf = CABS1(x,ix);
}
ix += inc_x2;
i++;
}
return (maxf);
}
}

221
kernel/zarch/zamin_z13.c Normal file
View File

@ -0,0 +1,221 @@
/***************************************************************************
Copyright (c) 2013-2017, 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"
#include <math.h>
#if defined(DOUBLE)
#define ABS fabs
#else
#define ABS fabsf
#endif
#define CABS1(x,i) (ABS(x[i]) + ABS(x[i + 1]))
static FLOAT zamin_kernel_16(BLASLONG n, FLOAT *x)
{
FLOAT amin;
__asm__ volatile (
"vleg %%v0,0(%2),0 \n\t"
"vleg %%v16,8(%2),0 \n\t"
"vleg %%v0,16(%2),1 \n\t"
"vleg %%v16,24(%2),1 \n\t"
"vflpdb %%v0,%%v0 \n\t"
"vflpdb %%v16,%%v16 \n\t"
"vfadb %%v0,%%v0,%%v16 \n\t"
"srlg %%r0,%1,4 \n\t"
"xgr %%r1,%%r1 \n\t"
"0: \n\t"
"pfd 1, 1024(%%r1,%2) \n\t"
"vleg %%v16,0(%%r1,%2),0 \n\t"
"vleg %%v17,8(%%r1,%2),0 \n\t"
"vleg %%v16,16(%%r1,%2),1 \n\t"
"vleg %%v17,24(%%r1,%2),1 \n\t"
"vleg %%v18,32(%%r1,%2),0 \n\t"
"vleg %%v19,40(%%r1,%2),0 \n\t"
"vleg %%v18,48(%%r1,%2),1 \n\t"
"vleg %%v19,56(%%r1,%2),1 \n\t"
"vleg %%v20,64(%%r1,%2),0 \n\t"
"vleg %%v21,72(%%r1,%2),0 \n\t"
"vleg %%v20,80(%%r1,%2),1 \n\t"
"vleg %%v21,88(%%r1,%2),1 \n\t"
"vleg %%v22,96(%%r1,%2),0 \n\t"
"vleg %%v23,104(%%r1,%2),0 \n\t"
"vleg %%v22,112(%%r1,%2),1 \n\t"
"vleg %%v23,120(%%r1,%2),1 \n\t"
"vflpdb %%v16, %%v16 \n\t"
"vflpdb %%v17, %%v17 \n\t"
"vflpdb %%v18, %%v18 \n\t"
"vflpdb %%v19, %%v19 \n\t"
"vflpdb %%v20, %%v20 \n\t"
"vflpdb %%v21, %%v21 \n\t"
"vflpdb %%v22, %%v22 \n\t"
"vflpdb %%v23, %%v23 \n\t"
"vfadb %%v16,%%v16,%%v17 \n\t"
"vfadb %%v17,%%v18,%%v19 \n\t"
"vfadb %%v18,%%v20,%%v21 \n\t"
"vfadb %%v19,%%v22,%%v23 \n\t"
"vfchdb %%v24,%%v17,%%v16 \n\t"
"vfchdb %%v25,%%v19,%%v18 \n\t"
"vsel %%v24,%%v16,%%v17,%%v24 \n\t"
"vsel %%v25,%%v18,%%v19,%%v25 \n\t"
"vfchdb %%v26,%%v25,%%v24 \n\t"
"vsel %%v26,%%v24,%%v25,%%v26 \n\t"
"vfchdb %%v27,%%v0,%%v26 \n\t"
"vsel %%v0,%%v26,%%v0,%%v27 \n\t"
"vleg %%v16,128(%%r1,%2),0 \n\t"
"vleg %%v17,136(%%r1,%2),0 \n\t"
"vleg %%v16,144(%%r1,%2),1 \n\t"
"vleg %%v17,152(%%r1,%2),1 \n\t"
"vleg %%v18,160(%%r1,%2),0 \n\t"
"vleg %%v19,168(%%r1,%2),0 \n\t"
"vleg %%v18,176(%%r1,%2),1 \n\t"
"vleg %%v19,184(%%r1,%2),1 \n\t"
"vleg %%v20,192(%%r1,%2),0 \n\t"
"vleg %%v21,200(%%r1,%2),0 \n\t"
"vleg %%v20,208(%%r1,%2),1 \n\t"
"vleg %%v21,216(%%r1,%2),1 \n\t"
"vleg %%v22,224(%%r1,%2),0 \n\t"
"vleg %%v23,232(%%r1,%2),0 \n\t"
"vleg %%v22,240(%%r1,%2),1 \n\t"
"vleg %%v23,248(%%r1,%2),1 \n\t"
"vflpdb %%v16, %%v16 \n\t"
"vflpdb %%v17, %%v17 \n\t"
"vflpdb %%v18, %%v18 \n\t"
"vflpdb %%v19, %%v19 \n\t"
"vflpdb %%v20, %%v20 \n\t"
"vflpdb %%v21, %%v21 \n\t"
"vflpdb %%v22, %%v22 \n\t"
"vflpdb %%v23, %%v23 \n\t"
"vfadb %%v16,%%v16,%%v17 \n\t"
"vfadb %%v17,%%v18,%%v19 \n\t"
"vfadb %%v18,%%v20,%%v21 \n\t"
"vfadb %%v19,%%v22,%%v23 \n\t"
"vfchdb %%v24,%%v17,%%v16 \n\t"
"vfchdb %%v25,%%v19,%%v18 \n\t"
"vsel %%v24,%%v16,%%v17,%%v24 \n\t"
"vsel %%v25,%%v18,%%v19,%%v25 \n\t"
"vfchdb %%v26,%%v25,%%v24 \n\t"
"vsel %%v26,%%v24,%%v25,%%v26 \n\t"
"vfchdb %%v27,%%v0,%%v26 \n\t"
"vsel %%v0,%%v26,%%v0,%%v27 \n\t"
"agfi %%r1, 256 \n\t"
"brctg %%r0, 0b \n\t"
"vrepg %%v16,%%v0,1 \n\t"
"wfchdb %%v17,%%v16,%%v0 \n\t"
"vsel %%v0,%%v0,%%v16,%%v17 \n\t"
"ldr %0,%%f0 "
:"=f"(amin)
:"r"(n),"ZR"((const FLOAT (*)[n])x)
:"memory","cc","r0","r1","v0","v16","v17","v18","v19","v20","v21","v22","v23","v24","v25","v26","v27"
);
return amin;
}
FLOAT CNAME(BLASLONG n, FLOAT *x, BLASLONG inc_x) {
BLASLONG i = 0;
BLASLONG ix = 0;
FLOAT minf = 0.0;
BLASLONG inc_x2;
if (n <= 0 || inc_x <= 0) return (minf);
if (inc_x == 1) {
BLASLONG n1 = n & -16;
if (n1 > 0) {
minf = zamin_kernel_16(n1, x);
ix = n1 * 2;
i = n1;
}
else
{
minf=CABS1(x,0);
ix += 2;
i++;
}
while (i < n) {
if (CABS1(x,ix) < minf) {
minf = CABS1(x,ix);
}
ix += 2;
i++;
}
return (minf);
} else {
minf=CABS1(x,0);
inc_x2 = 2 * inc_x;
BLASLONG n1 = n & -4;
while (i < n1) {
if (CABS1(x,ix) < minf) {
minf = CABS1(x,ix);
}
if (CABS1(x,ix+inc_x2) < minf) {
minf = CABS1(x,ix+inc_x2);
}
if (CABS1(x,ix+inc_x2*2) < minf) {
minf = CABS1(x,ix+inc_x2*2);
}
if (CABS1(x,ix+inc_x2*3) < minf) {
minf = CABS1(x,ix+inc_x2*3);
}
ix += inc_x2 * 4;
i += 4;
}
while (i < n) {
if (CABS1(x,ix) < minf) {
minf = CABS1(x,ix);
}
ix += inc_x2;
i++;
}
return (minf);
}
}