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Merge pull request #1993 from martin-frbg/aarnes-zarch 

Various fixes for the new Z14 target
tags/v0.3.6^2
Martin Kroeker GitHub 7 years ago
parent
42df9efa0c cce574c3e0
commit
282230c303
No known key found for this signature in database GPG Key ID: 4AEE18F83AFDEB23
15 changed files with 885 additions and 11 deletions
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  1. +1
    -0
      TargetList.txt
  2. +7
    -0
      cpuid_zarch.c
  3. +10
    -0
      getarch.c
  4. +4
    -0
      kernel/Makefile.L3
  5. +1
    -1
      kernel/zarch/damax.c
  6. +1
    -1
      kernel/zarch/damin.c
  7. +1
    -1
      kernel/zarch/dmax.c
  8. +1
    -1
      kernel/zarch/dmin.c
  9. +4
    -3
      kernel/zarch/dsdot.c
  10. +1
    -1
      kernel/zarch/samax.c
  11. +1
    -1
      kernel/zarch/samin.c
  12. +1
    -1
      kernel/zarch/smax.c
  13. +1
    -1
      kernel/zarch/smin.c
  14. +40
    -0
      param.h
  15. +811
    -0
      sgemv_t_4.c

+ 1
- 0
TargetList.txt View File

@@ -94,3 +94,4 @@ THUNDERX2T99
9.System Z:
ZARCH_GENERIC
Z13
Z14

+ 7
- 0
cpuid_zarch.c View File

@@ -114,7 +114,14 @@ void get_cpuconfig(void)
break;
case CPU_Z14:
printf("#define Z14\n");
printf("#define L1_DATA_SIZE 131072\n");
printf("#define L1_DATA_LINESIZE 256\n");
printf("#define L1_DATA_ASSOCIATIVE 8\n");
printf("#define L2_SIZE 4194304\n");
printf("#define L2_LINESIZE 256\n");
printf("#define L2_ASSOCIATIVE 8\n");
printf("#define DTB_DEFAULT_ENTRIES 64\n");
printf("#define DTB_SIZE 4096\n");
break;
}
}

+ 10
- 0
getarch.c View File

@@ -1085,6 +1085,16 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#define CORENAME "Z13"
#endif

#ifdef FORCE_Z14
#define FORCE
#define ARCHITECTURE "ZARCH"
#define SUBARCHITECTURE "Z14"
#define ARCHCONFIG "-DZ14 " \
"-DDTB_DEFAULT_ENTRIES=64"
#define LIBNAME "z14"
#define CORENAME "Z14"
#endif

#ifndef FORCE

#ifdef USER_TARGET


+ 4
- 0
kernel/Makefile.L3 View File

@@ -48,6 +48,10 @@ ifeq ($(ARCH), zarch)
USE_TRMM = 1
endif

ifeq ($(CORE), Z14)
USE_TRMM = 1
endif






+ 1
- 1
kernel/zarch/damax.c View File

@@ -81,7 +81,7 @@ static FLOAT damax_kernel_32(BLASLONG n, FLOAT *x)

"vfmaxdb %%v16,%%v16,%%v17,8 \n\t"

"vfmaxdb %%v0,%%v0,%%16,8 \n\t"
"vfmaxdb %%v0,%%v0,%%v16,8 \n\t"

"agfi %%r1, 256 \n\t"
"brctg %%r0, 0b \n\t"


+ 1
- 1
kernel/zarch/damin.c View File

@@ -81,7 +81,7 @@ static FLOAT damin_kernel_32(BLASLONG n, FLOAT *x)

"vfmindb %%v16,%%v16,%%v17,8 \n\t"

"vfmindb %%v0,%%v0,%%16,8 \n\t"
"vfmindb %%v0,%%v0,%%v16,8 \n\t"

"agfi %%r1, 256 \n\t"
"brctg %%r0, 0b \n\t"


+ 1
- 1
kernel/zarch/dmax.c View File

@@ -74,7 +74,7 @@ static FLOAT dmax_kernel_32(BLASLONG n, FLOAT *x)

"vfmaxdb %%v16,%%v16,%%v17,0 \n\t"

"vfmaxdb %%v0,%%v0,%%16,0 \n\t"
"vfmaxdb %%v0,%%v0,%%v16,0 \n\t"

"agfi %%r1, 256 \n\t"
"brctg %%r0, 0b \n\t"


+ 1
- 1
kernel/zarch/dmin.c View File

@@ -74,7 +74,7 @@ static FLOAT dmin_kernel_32(BLASLONG n, FLOAT *x)

"vfmindb %%v16,%%v16,%%v17,0 \n\t"

"vfmindb %%v0,%%v0,%%16,0 \n\t"
"vfmindb %%v0,%%v0,%%v16,0 \n\t"

"agfi %%r1, 256 \n\t"
"brctg %%r0, 0b \n\t"


+ 4
- 3
kernel/zarch/dsdot.c View File

@@ -132,7 +132,7 @@ double CNAME(BLASLONG n,FLOAT *x,BLASLONG inc_x,FLOAT *y,BLASLONG inc_y)
while(i < n)
{

dot += y[i] * x[i] ;
dot += (double) y[i] * (double) x[i] ;
i++ ;

}
@@ -146,7 +146,8 @@ double CNAME(BLASLONG n,FLOAT *x,BLASLONG inc_x,FLOAT *y,BLASLONG inc_y)
while(i < n1)
{

dot += y[iy] * x[ix] + y[iy+inc_y] * x[ix+inc_x];
dot += (double) y[iy] * (double) x[ix];
dot += (double) y[iy+inc_y] * (double) x[ix+inc_x];
ix += inc_x*2 ;
iy += inc_y*2 ;
i+=2 ;
@@ -156,7 +157,7 @@ double CNAME(BLASLONG n,FLOAT *x,BLASLONG inc_x,FLOAT *y,BLASLONG inc_y)
while(i < n)
{

dot += y[iy] * x[ix] ;
dot += (double) y[iy] * (double) x[ix] ;
ix += inc_x ;
iy += inc_y ;
i++ ;


+ 1
- 1
kernel/zarch/samax.c View File

@@ -81,7 +81,7 @@ static FLOAT samax_kernel_64(BLASLONG n, FLOAT *x)

"vfmaxsb %%v16,%%v16,%%v17,8 \n\t"

"vfmaxsb %%v0,%%v0,%%16,8 \n\t"
"vfmaxsb %%v0,%%v0,%%v16,8 \n\t"

"agfi %%r1, 256 \n\t"
"brctg %%r0, 0b \n\t"


+ 1
- 1
kernel/zarch/samin.c View File

@@ -81,7 +81,7 @@ static FLOAT samin_kernel_64(BLASLONG n, FLOAT *x)

"vfminsb %%v16,%%v16,%%v17,8 \n\t"

"vfminsb %%v0,%%v0,%%16,8 \n\t"
"vfminsb %%v0,%%v0,%%v16,8 \n\t"

"agfi %%r1, 256 \n\t"
"brctg %%r0, 0b \n\t"


+ 1
- 1
kernel/zarch/smax.c View File

@@ -74,7 +74,7 @@ static FLOAT smax_kernel_64(BLASLONG n, FLOAT *x)

"vfmaxsb %%v16,%%v16,%%v17,0 \n\t"

"vfmaxsb %%v0,%%v0,%%16,0 \n\t"
"vfmaxsb %%v0,%%v0,%%v16,0 \n\t"

"agfi %%r1, 256 \n\t"
"brctg %%r0, 0b \n\t"


+ 1
- 1
kernel/zarch/smin.c View File

@@ -74,7 +74,7 @@ static FLOAT smin_kernel_64(BLASLONG n, FLOAT *x)

"vfminsb %%v16,%%v16,%%v17,0 \n\t"

"vfminsb %%v0,%%v0,%%16,0 \n\t"
"vfminsb %%v0,%%v0,%%v16,0 \n\t"

"agfi %%r1, 256 \n\t"
"brctg %%r0, 0b \n\t"


+ 40
- 0
param.h View File

@@ -2915,6 +2915,46 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#endif


#if defined(Z14)
#define SNUMOPT 2
#define DNUMOPT 2

#define GEMM_DEFAULT_OFFSET_A 0
#define GEMM_DEFAULT_OFFSET_B 0
#define GEMM_DEFAULT_ALIGN 0x03fffUL

#define SGEMM_DEFAULT_UNROLL_M 8
#define SGEMM_DEFAULT_UNROLL_N 4

#define DGEMM_DEFAULT_UNROLL_M 8
#define DGEMM_DEFAULT_UNROLL_N 4

#define CGEMM_DEFAULT_UNROLL_M 4
#define CGEMM_DEFAULT_UNROLL_N 4

#define ZGEMM_DEFAULT_UNROLL_M 4
#define ZGEMM_DEFAULT_UNROLL_N 4

#define SGEMM_DEFAULT_P 456
#define DGEMM_DEFAULT_P 320
#define CGEMM_DEFAULT_P 480
#define ZGEMM_DEFAULT_P 224

#define SGEMM_DEFAULT_Q 488
#define DGEMM_DEFAULT_Q 384
#define CGEMM_DEFAULT_Q 128
#define ZGEMM_DEFAULT_Q 352

#define SGEMM_DEFAULT_R 8192
#define DGEMM_DEFAULT_R 4096
#define CGEMM_DEFAULT_R 4096
#define ZGEMM_DEFAULT_R 2048


#define SYMV_P 16
#endif



#ifdef GENERIC



+ 811
- 0
sgemv_t_4.c View File

@@ -0,0 +1,811 @@
/***************************************************************************
Copyright (c) 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"

#define NBMAX 2048

static void sgemv_kernel_4x4(BLASLONG n, FLOAT **ap, FLOAT *x, FLOAT *y)
{
__asm__ volatile (
"vzero %%v0 \n\t"
"vzero %%v1 \n\t"
"vzero %%v2 \n\t"
"vzero %%v3 \n\t"
"xgr %%r1,%%r1 \n\t"

"lghi %%r0,-32 \n\t"
"ngr %%r0,%0 \n\t"
"ltgr %%r0,%%r0 \n\t"
"jz 1f \n\t"

"srlg %%r0,%%r0,5 \n\t"
"0: \n\t"
"pfd 1,1024(%%r1,%1) \n\t"
"pfd 1,1024(%%r1,%2) \n\t"
"pfd 1,1024(%%r1,%3) \n\t"
"pfd 1,1024(%%r1,%4) \n\t"
"pfd 1,1024(%%r1,%5) \n\t"

"vl %%v16,0(%%r1,%5) \n\t"
"vl %%v17,16(%%r1,%5) \n\t"
"vl %%v18,32(%%r1,%5) \n\t"
"vl %%v19,48(%%r1,%5) \n\t"
"vl %%v20,64(%%r1,%5) \n\t"
"vl %%v21,80(%%r1,%5) \n\t"
"vl %%v22,96(%%r1,%5) \n\t"
"vl %%v23,112(%%r1,%5) \n\t"

"vl %%v24,0(%%r1,%1) \n\t"
"vfmasb %%v0,%%v16,%%v24,%%v0 \n\t"
"vl %%v25,0(%%r1,%2) \n\t"
"vfmasb %%v1,%%v16,%%v25,%%v1 \n\t"
"vl %%v26,0(%%r1,%3) \n\t"
"vfmasb %%v2,%%v16,%%v26,%%v2 \n\t"
"vl %%v27,0(%%r1,%4) \n\t"
"vfmasb %%v3,%%v16,%%v27,%%v3 \n\t"

"vl %%v28,16(%%r1,%1) \n\t"
"vfmasb %%v0,%%v17,%%v28,%%v0 \n\t"
"vl %%v29,16(%%r1,%2) \n\t"
"vfmasb %%v1,%%v17,%%v29,%%v1 \n\t"
"vl %%v30,16(%%r1,%3) \n\t"
"vfmasb %%v2,%%v17,%%v30,%%v2 \n\t"
"vl %%v31,16(%%r1,%4) \n\t"
"vfmasb %%v3,%%v17,%%v31,%%v3 \n\t"

"vl %%v24,32(%%r1,%1) \n\t"
"vfmasb %%v0,%%v18,%%v24,%%v0 \n\t"
"vl %%v25,32(%%r1,%2) \n\t"
"vfmasb %%v1,%%v18,%%v25,%%v1 \n\t"
"vl %%v26,32(%%r1,%3) \n\t"
"vfmasb %%v2,%%v18,%%v26,%%v2 \n\t"
"vl %%v27,32(%%r1,%4) \n\t"
"vfmasb %%v3,%%v18,%%v27,%%v3 \n\t"

"vl %%v28,48(%%r1,%1) \n\t"
"vfmasb %%v0,%%v19,%%v28,%%v0 \n\t"
"vl %%v29,48(%%r1,%2) \n\t"
"vfmasb %%v1,%%v19,%%v29,%%v1 \n\t"
"vl %%v30,48(%%r1,%3) \n\t"
"vfmasb %%v2,%%v19,%%v30,%%v2 \n\t"
"vl %%v31,48(%%r1,%4) \n\t"
"vfmasb %%v3,%%v19,%%v31,%%v3 \n\t"

"vl %%v24,64(%%r1,%1) \n\t"
"vfmasb %%v0,%%v20,%%v24,%%v0 \n\t"
"vl %%v25,64(%%r1,%2) \n\t"
"vfmasb %%v1,%%v20,%%v25,%%v1 \n\t"
"vl %%v26,64(%%r1,%3) \n\t"
"vfmasb %%v2,%%v20,%%v26,%%v2 \n\t"
"vl %%v27,64(%%r1,%4) \n\t"
"vfmasb %%v3,%%v20,%%v27,%%v3 \n\t"

"vl %%v28,80(%%r1,%1) \n\t"
"vfmasb %%v0,%%v21,%%v28,%%v0 \n\t"
"vl %%v29,80(%%r1,%2) \n\t"
"vfmasb %%v1,%%v21,%%v29,%%v1 \n\t"
"vl %%v30,80(%%r1,%3) \n\t"
"vfmasb %%v2,%%v21,%%v30,%%v2 \n\t"
"vl %%v31,80(%%r1,%4) \n\t"
"vfmasb %%v3,%%v21,%%v31,%%v3 \n\t"

"vl %%v24,96(%%r1,%1) \n\t"
"vfmasb %%v0,%%v22,%%v24,%%v0 \n\t"
"vl %%v25,96(%%r1,%2) \n\t"
"vfmasb %%v1,%%v22,%%v25,%%v1 \n\t"
"vl %%v26,96(%%r1,%3) \n\t"
"vfmasb %%v2,%%v22,%%v26,%%v2 \n\t"
"vl %%v27,96(%%r1,%4) \n\t"
"vfmasb %%v3,%%v22,%%v27,%%v3 \n\t"

"vl %%v28,112(%%r1,%1) \n\t"
"vfmasb %%v0,%%v23,%%v28,%%v0 \n\t"
"vl %%v29,112(%%r1,%2) \n\t"
"vfmasb %%v1,%%v23,%%v29,%%v1 \n\t"
"vl %%v30,112(%%r1,%3) \n\t"
"vfmasb %%v2,%%v23,%%v30,%%v2 \n\t"
"vl %%v31,112(%%r1,%4) \n\t"
"vfmasb %%v3,%%v23,%%v31,%%v3 \n\t"

"agfi %%r1,128 \n\t"
"brctg %%r0,0b \n\t"

"1: \n\t"
"lghi %%r0,28 \n\t"
"ngr %%r0,%0 \n\t"
"ltgr %%r0,%%r0 \n\t"
"jz 3f \n\t"

"srlg %%r0,%%r0,2 \n\t"
"2: \n\t"
"vl %%v16,0(%%r1,%5) \n\t"

"vl %%v24,0(%%r1,%1) \n\t"
"vfmasb %%v0,%%v16,%%v24,%%v0 \n\t"
"vl %%v25,0(%%r1,%2) \n\t"
"vfmasb %%v1,%%v16,%%v25,%%v1 \n\t"
"vl %%v26,0(%%r1,%3) \n\t"
"vfmasb %%v2,%%v16,%%v26,%%v2 \n\t"
"vl %%v27,0(%%r1,%4) \n\t"
"vfmasb %%v3,%%v16,%%v27,%%v3 \n\t"

"agfi %%r1,16 \n\t"
"brctg %%r0,2b \n\t"

"3: \n\t"
"veslg %%v4,%%v0,32 \n\t"
"vfasb %%v0,%%v0,%%v4 \n\t"
"vrepg %%v4,%%v0,1 \n\t"
"aebr %%f0,%%f4 \n\t"
"ste %%f0,0(%6) \n\t"
"veslg %%v4,%%v1,32 \n\t"
"vfasb %%v1,%%v1,%%v4 \n\t"
"vrepg %%v4,%%v1,1 \n\t"
"aebr %%f1,%%f4 \n\t"
"ste %%f1,4(%6) \n\t"
"veslg %%v4,%%v2,32 \n\t"
"vfasb %%v2,%%v2,%%v4 \n\t"
"vrepg %%v4,%%v2,1 \n\t"
"aebr %%f2,%%f4 \n\t"
"ste %%f2,8(%6) \n\t"
"veslg %%v4,%%v3,32 \n\t"
"vfasb %%v3,%%v3,%%v4 \n\t"
"vrepg %%v4,%%v3,1 \n\t"
"aebr %%f3,%%f4 \n\t"
"ste %%f3,12(%6) "
:
:"r"(n),"ZR"((const FLOAT (*)[n])ap[0]),"ZR"((const FLOAT (*)[n])ap[1]),"ZR"((const FLOAT (*)[n])ap[2]),"ZR"((const FLOAT (*)[n])ap[3]),"ZR"((const FLOAT (*)[n])x),"ZQ"((FLOAT (*)[4])y)
:"memory","cc","r0","r1","v0","v1","v2","v3","v4","v16","v17","v18","v19","v20","v21","v22","v23","v24","v25","v26","v27","v28","v29","v30","v31"
);
}

static void sgemv_kernel_4x2(BLASLONG n, FLOAT **ap, FLOAT *x, FLOAT *y)
{
__asm__ volatile (
"vzero %%v0 \n\t"
"vzero %%v1 \n\t"
"xgr %%r1,%%r1 \n\t"

"lghi %%r0,-32 \n\t"
"ngr %%r0,%0 \n\t"
"ltgr %%r0,%%r0 \n\t"
"jz 1f \n\t"

"srlg %%r0,%%r0,5 \n\t"
"0: \n\t"
"pfd 1,1024(%%r1,%1) \n\t"
"pfd 1,1024(%%r1,%2) \n\t"
"pfd 1,1024(%%r1,%3) \n\t"

"vl %%v16,0(%%r1,%3) \n\t"
"vl %%v17,16(%%r1,%3) \n\t"
"vl %%v18,32(%%r1,%3) \n\t"
"vl %%v19,48(%%r1,%3) \n\t"
"vl %%v20,64(%%r1,%3) \n\t"
"vl %%v21,80(%%r1,%3) \n\t"
"vl %%v22,96(%%r1,%3) \n\t"
"vl %%v23,112(%%r1,%3) \n\t"

"vl %%v24,0(%%r1,%1) \n\t"
"vfmasb %%v0,%%v16,%%v24,%%v0 \n\t"
"vl %%v25,0(%%r1,%2) \n\t"
"vfmasb %%v1,%%v16,%%v25,%%v1 \n\t"

"vl %%v26,16(%%r1,%1) \n\t"
"vfmasb %%v0,%%v17,%%v26,%%v0 \n\t"
"vl %%v27,16(%%r1,%2) \n\t"
"vfmasb %%v1,%%v17,%%v27,%%v1 \n\t"

"vl %%v28,32(%%r1,%1) \n\t"
"vfmasb %%v0,%%v18,%%v28,%%v0 \n\t"
"vl %%v29,32(%%r1,%2) \n\t"
"vfmasb %%v1,%%v18,%%v29,%%v1 \n\t"

"vl %%v30,48(%%r1,%1) \n\t"
"vfmasb %%v0,%%v19,%%v30,%%v0 \n\t"
"vl %%v31,48(%%r1,%2) \n\t"
"vfmasb %%v1,%%v19,%%v31,%%v1 \n\t"

"vl %%v24,64(%%r1,%1) \n\t"
"vfmasb %%v0,%%v20,%%v24,%%v0 \n\t"
"vl %%v25,64(%%r1,%2) \n\t"
"vfmasb %%v1,%%v20,%%v25,%%v1 \n\t"

"vl %%v26,80(%%r1,%1) \n\t"
"vfmasb %%v0,%%v21,%%v26,%%v0 \n\t"
"vl %%v27,80(%%r1,%2) \n\t"
"vfmasb %%v1,%%v21,%%v27,%%v1 \n\t"

"vl %%v28,96(%%r1,%1) \n\t"
"vfmasb %%v0,%%v22,%%v28,%%v0 \n\t"
"vl %%v29,96(%%r1,%2) \n\t"
"vfmasb %%v1,%%v22,%%v29,%%v1 \n\t"

"vl %%v30,112(%%r1,%1) \n\t"
"vfmasb %%v0,%%v23,%%v30,%%v0 \n\t"
"vl %%v31,112(%%r1,%2) \n\t"
"vfmasb %%v1,%%v23,%%v31,%%v1 \n\t"
"agfi %%r1,128 \n\t"
"brctg %%r0,0b \n\t"

"1: \n\t"
"lghi %%r0,28 \n\t"
"ngr %%r0,%0 \n\t"
"ltgr %%r0,%%r0 \n\t"
"jz 3f \n\t"

"srlg %%r0,%%r0,2 \n\t"
"2: \n\t"
"vl %%v16,0(%%r1,%3) \n\t"

"vl %%v24,0(%%r1,%1) \n\t"
"vfmasb %%v0,%%v16,%%v24,%%v0 \n\t"
"vl %%v25,0(%%r1,%2) \n\t"
"vfmasb %%v1,%%v16,%%v25,%%v1 \n\t"

"agfi %%r1,16 \n\t"
"brctg %%r0,2b \n\t"

"3: \n\t"
"veslg %%v2,%%v0,32 \n\t"
"vfasb %%v0,%%v0,%%v2 \n\t"
"vrepg %%v2,%%v0,1 \n\t"
"aebr %%f0,%%f2 \n\t"
"ste %%f0,0(%4) \n\t"
"veslg %%v2,%%v1,32 \n\t"
"vfasb %%v1,%%v1,%%v2 \n\t"
"vrepg %%v2,%%v1,1 \n\t"
"aebr %%f1,%%f2 \n\t"
"ste %%f1,4(%4) "
:
:"r"(n),"ZR"((const FLOAT (*)[n])ap[0]),"ZR"((const FLOAT (*)[n])ap[1]),"ZR"((const FLOAT (*)[n])x),"ZQ"((FLOAT (*)[2])y)
:"memory","cc","r0","r1","v0","v1","v2","v16","v17","v18","v19","v20","v21","v22","v23","v24","v25","v26","v27","v28","v29","v30","v31"
);
}

static void sgemv_kernel_4x1(BLASLONG n, FLOAT *a0, FLOAT *x, FLOAT *y)
{
__asm__ volatile (
"vzero %%v0 \n\t"
"xgr %%r1,%%r1 \n\t"

"lghi %%r0,-32 \n\t"
"ngr %%r0,%0 \n\t"
"ltgr %%r0,%%r0 \n\t"
"jz 1f \n\t"

"srlg %%r0,%%r0,5 \n\t"
"0: \n\t"
"pfd 1,1024(%%r1,%1) \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"

"vl %%v24,0(%%r1,%1) \n\t"
"vfmasb %%v0,%%v16,%%v24,%%v0 \n\t"

"vl %%v25,16(%%r1,%1) \n\t"
"vfmasb %%v0,%%v17,%%v25,%%v0 \n\t"

"vl %%v26,32(%%r1,%1) \n\t"
"vfmasb %%v0,%%v18,%%v26,%%v0 \n\t"

"vl %%v27,48(%%r1,%1) \n\t"
"vfmasb %%v0,%%v19,%%v27,%%v0 \n\t"

"vl %%v28,64(%%r1,%1) \n\t"
"vfmasb %%v0,%%v20,%%v28,%%v0 \n\t"

"vl %%v29,80(%%r1,%1) \n\t"
"vfmasb %%v0,%%v21,%%v29,%%v0 \n\t"

"vl %%v30,96(%%r1,%1) \n\t"
"vfmasb %%v0,%%v22,%%v30,%%v0 \n\t"

"vl %%v31,112(%%r1,%1) \n\t"
"vfmasb %%v0,%%v23,%%v31,%%v0 \n\t"

"agfi %%r1,128 \n\t"
"brctg %%r0,0b \n\t"

"1: \n\t"
"lghi %%r0,28 \n\t"
"ngr %%r0,%0 \n\t"
"ltgr %%r0,%%r0 \n\t"
"jz 3f \n\t"

"srlg %%r0,%%r0,2 \n\t"
"2: \n\t"
"vl %%v16,0(%%r1,%2) \n\t"

"vl %%v24,0(%%r1,%1) \n\t"
"vfmasb %%v0,%%v16,%%v24,%%v0 \n\t"

"agfi %%r1,16 \n\t"
"brctg %%r0,2b \n\t"

"3: \n\t"
"veslg %%v1,%%v0,32 \n\t"
"vfasb %%v0,%%v0,%%v1 \n\t"
"vrepg %%v1,%%v0,1 \n\t"
"aebr %%f0,%%f1 \n\t"
"ste %%f0,0(%3) "
:
:"r"(n),"ZR"((const FLOAT (*)[n])a0),"ZR"((const FLOAT (*)[n])x),"ZQ"((FLOAT (*)[1])y)
:"memory","cc","r0","r1","v0","v1","v16","v17","v18","v19","v20","v21","v22","v23","v24","v25","v26","v27","v28","v29","v30","v31"
);
}
static void copy_x(BLASLONG n, FLOAT *src, FLOAT *dest, BLASLONG inc_src)
{
BLASLONG i;
for (i = 0; i < n; i++)
{
dest[i] = *src;
src += inc_src;
}
}
static void add_y_kernel_4(BLASLONG n, FLOAT da, FLOAT *src, FLOAT *dest)
{
__asm__ volatile (
"vlrepf %%v0,%1 \n\t"
"xgr %%r1,%%r1 \n\t"

"lghi %%r0,-32 \n\t"
"ngr %%r0,%0 \n\t"
"ltgr %%r0,%%r0 \n\t"
"jz 1f \n\t"

"srlg %%r0,%%r0,5 \n\t"
"0: \n\t"
"pfd 1,1024(%%r1,%2) \n\t"
"pfd 2,1024(%%r1,%3) \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"

"vl %%v24, 0(%%r1,%3) \n\t"
"vfmasb %%v24,%%v16,%%v0,%%v24 \n\t"
"vst %%v24, 0(%%r1,%3) \n\t"
"vl %%v25, 16(%%r1,%3) \n\t"
"vfmasb %%v25,%%v17,%%v0,%%v25 \n\t"
"vst %%v25, 16(%%r1,%3) \n\t"
"vl %%v26, 32(%%r1,%3) \n\t"
"vfmasb %%v26,%%v18,%%v0,%%v26 \n\t"
"vst %%v26, 32(%%r1,%3) \n\t"
"vl %%v27, 48(%%r1,%3) \n\t"
"vfmasb %%v27,%%v19,%%v0,%%v27 \n\t"
"vst %%v27, 48(%%r1,%3) \n\t"
"vl %%v28, 64(%%r1,%3) \n\t"
"vfmasb %%v28,%%v20,%%v0,%%v28 \n\t"
"vst %%v28, 64(%%r1,%3) \n\t"
"vl %%v29, 80(%%r1,%3) \n\t"
"vfmasb %%v29,%%v21,%%v0,%%v29 \n\t"
"vst %%v29, 80(%%r1,%3) \n\t"
"vl %%v30, 96(%%r1,%3) \n\t"
"vfmasb %%v30,%%v22,%%v0,%%v30 \n\t"
"vst %%v30, 96(%%r1,%3) \n\t"
"vl %%v31, 112(%%r1,%3) \n\t"
"vfmasb %%v31,%%v23,%%v0,%%v31 \n\t"
"vst %%v31, 112(%%r1,%3) \n\t"

"agfi %%r1,128 \n\t"
"brctg %%r0,0b \n\t"

"1: \n\t"
"lghi %%r0,28 \n\t"
"ngr %%r0,%0 \n\t"
"ltgr %%r0,%%r0 \n\t"
"jz 3f \n\t"

"srlg %%r0,%%r0,2 \n\t"
"2: \n\t"
"vl %%v16,0(%%r1,%2) \n\t"

"vl %%v24, 0(%%r1,%3) \n\t"
"vfmasb %%v24,%%v16,%%v0,%%v24 \n\t"
"vst %%v24, 0(%%r1,%3) \n\t"

"agfi %%r1,16 \n\t"
"brctg %%r0,2b \n\t"

"3: \n\t"
"nop "
:
:"r"(n),"m"(da),"ZR"((const FLOAT (*)[n])src),"ZR"((FLOAT (*)[n])dest)
:"memory","cc","r0","r1","v0","v16","v17","v18","v19","v20","v21","v22","v23","v24","v25","v26","v27","v28","v29","v30","v31"
);
}
static void add_y(BLASLONG n, FLOAT da, FLOAT *src, FLOAT *dest, BLASLONG inc_dest)
{
if (inc_dest == 1)
add_y_kernel_4(n, da, src, dest);
else
{
BLASLONG i;
for (i = 0; i < n; i++)
{
*dest += src[i] * da;
dest += inc_dest;
}
}
}

int CNAME(BLASLONG m, BLASLONG n, BLASLONG dummy1, FLOAT alpha, FLOAT *a, BLASLONG lda, FLOAT *x, BLASLONG inc_x, FLOAT *y, BLASLONG inc_y, FLOAT *buffer)
{
BLASLONG register i;
BLASLONG register j;
FLOAT *a_ptr;
FLOAT *x_ptr;
FLOAT *y_ptr;
BLASLONG n0;
BLASLONG n1;
BLASLONG m1;
BLASLONG m2;
BLASLONG m3;
BLASLONG n2;
FLOAT ybuffer[2] __attribute__ ((aligned(16)));
FLOAT *xbuffer;
FLOAT *ytemp;

if ( m < 1 ) return(0);
if ( n < 1 ) return(0);

xbuffer = buffer;
ytemp = buffer + (m < NBMAX ? m : NBMAX);
n0 = n / NBMAX;
n1 = (n % NBMAX) >> 2 ;
n2 = n & 3 ;

m3 = m & 3 ;
m1 = m & -4 ;
m2 = (m & (NBMAX-1)) - m3 ;


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;

if ( inc_x == 1 )
xbuffer = x_ptr;
else
copy_x(NB,x_ptr,xbuffer,inc_x);


FLOAT *ap[4];
FLOAT *yp;
BLASLONG register lda4 = 4 * lda;
ap[0] = a_ptr;
ap[1] = a_ptr + lda;
ap[2] = ap[1] + lda;
ap[3] = ap[2] + lda;

if ( n0 > 0 )
{
BLASLONG nb1 = NBMAX / 4;
for( j=0; j<n0; j++)
{

yp = ytemp;
for( i = 0; i < nb1 ; i++)
{
sgemv_kernel_4x4(NB,ap,xbuffer,yp);
ap[0] += lda4 ;
ap[1] += lda4 ;
ap[2] += lda4 ;
ap[3] += lda4 ;
yp += 4;
}
add_y(nb1*4, alpha, ytemp, y_ptr, inc_y );
y_ptr += nb1 * inc_y * 4;
a_ptr += nb1 * lda4 ;

}

}


yp = ytemp;

for( i = 0; i < n1 ; i++)
{
sgemv_kernel_4x4(NB,ap,xbuffer,yp);
ap[0] += lda4 ;
ap[1] += lda4 ;
ap[2] += lda4 ;
ap[3] += lda4 ;
yp += 4;
}
if ( n1 > 0 )
{
add_y(n1*4, alpha, ytemp, y_ptr, inc_y );
y_ptr += n1 * inc_y * 4;
a_ptr += n1 * lda4 ;
}

if ( n2 & 2 )
{

sgemv_kernel_4x2(NB,ap,xbuffer,ybuffer);
a_ptr += lda * 2;
*y_ptr += ybuffer[0] * alpha;
y_ptr += inc_y;
*y_ptr += ybuffer[1] * alpha;
y_ptr += inc_y;

}

if ( n2 & 1 )
{

sgemv_kernel_4x1(NB,a_ptr,xbuffer,ybuffer);
// a_ptr += lda;
*y_ptr += ybuffer[0] * alpha;
// y_ptr += inc_y;

}
a += NB;
x += NB * inc_x;
}

if ( m3 == 0 ) return(0);

x_ptr = x;
a_ptr = a;
if ( m3 == 3 )
{
FLOAT xtemp0 = *x_ptr * alpha;
x_ptr += inc_x;
FLOAT xtemp1 = *x_ptr * alpha;
x_ptr += inc_x;
FLOAT xtemp2 = *x_ptr * alpha;

FLOAT *aj = a_ptr;
y_ptr = y;

if ( lda == 3 && inc_y == 1 )
{

for ( j=0; j< ( n & -4) ; j+=4 )
{

y_ptr[j] += aj[0] * xtemp0 + aj[1] * xtemp1 + aj[2] * xtemp2;
y_ptr[j+1] += aj[3] * xtemp0 + aj[4] * xtemp1 + aj[5] * xtemp2;
y_ptr[j+2] += aj[6] * xtemp0 + aj[7] * xtemp1 + aj[8] * xtemp2;
y_ptr[j+3] += aj[9] * xtemp0 + aj[10] * xtemp1 + aj[11] * xtemp2;
aj += 12;
}

for ( ; j<n; j++ )
{
y_ptr[j] += aj[0] * xtemp0 + aj[1] * xtemp1 + aj[2] * xtemp2;
aj += 3;
}

}
else
{

if ( inc_y == 1 )
{

BLASLONG register lda2 = lda << 1;
BLASLONG register lda4 = lda << 2;
BLASLONG register lda3 = lda2 + lda;

for ( j=0; j< ( n & -4 ); j+=4 )
{

y_ptr[j] += *aj * xtemp0 + *(aj+1) * xtemp1 + *(aj+2) * xtemp2;
y_ptr[j+1] += *(aj+lda) * xtemp0 + *(aj+lda+1) * xtemp1 + *(aj+lda+2) * xtemp2;
y_ptr[j+2] += *(aj+lda2) * xtemp0 + *(aj+lda2+1) * xtemp1 + *(aj+lda2+2) * xtemp2;
y_ptr[j+3] += *(aj+lda3) * xtemp0 + *(aj+lda3+1) * xtemp1 + *(aj+lda3+2) * xtemp2;
aj += lda4;
}

for ( ; j< n ; j++ )
{

y_ptr[j] += *aj * xtemp0 + *(aj+1) * xtemp1 + *(aj+2) * xtemp2 ;
aj += lda;
}

}
else
{

for ( j=0; j<n; j++ )
{
*y_ptr += *aj * xtemp0 + *(aj+1) * xtemp1 + *(aj+2) * xtemp2;
y_ptr += inc_y;
aj += lda;
}


}

}
return(0);
}

if ( m3 == 2 )
{
FLOAT xtemp0 = *x_ptr * alpha;
x_ptr += inc_x;
FLOAT xtemp1 = *x_ptr * alpha;

FLOAT *aj = a_ptr;
y_ptr = y;

if ( lda == 2 && inc_y == 1 )
{

for ( j=0; j< ( n & -4) ; j+=4 )
{
y_ptr[j] += aj[0] * xtemp0 + aj[1] * xtemp1 ;
y_ptr[j+1] += aj[2] * xtemp0 + aj[3] * xtemp1 ;
y_ptr[j+2] += aj[4] * xtemp0 + aj[5] * xtemp1 ;
y_ptr[j+3] += aj[6] * xtemp0 + aj[7] * xtemp1 ;
aj += 8;

}

for ( ; j<n; j++ )
{
y_ptr[j] += aj[0] * xtemp0 + aj[1] * xtemp1 ;
aj += 2;
}

}
else
{
if ( inc_y == 1 )
{

BLASLONG register lda2 = lda << 1;
BLASLONG register lda4 = lda << 2;
BLASLONG register lda3 = lda2 + lda;

for ( j=0; j< ( n & -4 ); j+=4 )
{

y_ptr[j] += *aj * xtemp0 + *(aj+1) * xtemp1 ;
y_ptr[j+1] += *(aj+lda) * xtemp0 + *(aj+lda+1) * xtemp1 ;
y_ptr[j+2] += *(aj+lda2) * xtemp0 + *(aj+lda2+1) * xtemp1 ;
y_ptr[j+3] += *(aj+lda3) * xtemp0 + *(aj+lda3+1) * xtemp1 ;
aj += lda4;
}

for ( ; j< n ; j++ )
{

y_ptr[j] += *aj * xtemp0 + *(aj+1) * xtemp1 ;
aj += lda;
}

}
else
{
for ( j=0; j<n; j++ )
{
*y_ptr += *aj * xtemp0 + *(aj+1) * xtemp1 ;
y_ptr += inc_y;
aj += lda;
}
}

}
return(0);

}

FLOAT xtemp = *x_ptr * alpha;
FLOAT *aj = a_ptr;
y_ptr = y;
if ( lda == 1 && inc_y == 1 )
{
for ( j=0; j< ( n & -4) ; j+=4 )
{
y_ptr[j] += aj[j] * xtemp;
y_ptr[j+1] += aj[j+1] * xtemp;
y_ptr[j+2] += aj[j+2] * xtemp;
y_ptr[j+3] += aj[j+3] * xtemp;
}
for ( ; j<n ; j++ )
{
y_ptr[j] += aj[j] * xtemp;
}



}
else
{
if ( inc_y == 1 )
{

BLASLONG register lda2 = lda << 1;
BLASLONG register lda4 = lda << 2;
BLASLONG register lda3 = lda2 + lda;
for ( j=0; j< ( n & -4 ); j+=4 )
{
y_ptr[j] += *aj * xtemp;
y_ptr[j+1] += *(aj+lda) * xtemp;
y_ptr[j+2] += *(aj+lda2) * xtemp;
y_ptr[j+3] += *(aj+lda3) * xtemp;
aj += lda4 ;
}

for ( ; j<n; j++ )
{
y_ptr[j] += *aj * xtemp;
aj += lda;
}

}
else
{
for ( j=0; j<n; j++ )
{
*y_ptr += *aj * xtemp;
y_ptr += inc_y;
aj += lda;
}

}
}

return(0);
}

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