From 1f4b61f572c20bc71feffd391d30814fffd02549 Mon Sep 17 00:00:00 2001 From: Martin Kroeker Date: Fri, 1 Feb 2019 12:57:01 +0100 Subject: [PATCH] Delete misplaced file sgemv_t_4.c from #1993 , file should have gone into kernel/zarch --- sgemv_t_4.c | 811 ---------------------------------------------------- 1 file changed, 811 deletions(-) delete mode 100644 sgemv_t_4.c diff --git a/sgemv_t_4.c b/sgemv_t_4.c deleted file mode 100644 index a3136723a..000000000 --- a/sgemv_t_4.c +++ /dev/null @@ -1,811 +0,0 @@ -/*************************************************************************** -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 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