677 lines
22 KiB
C
677 lines
22 KiB
C
/***************************************************************************
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Copyright (c) 2014, The OpenBLAS Project
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are
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met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in
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the documentation and/or other materials provided with the
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distribution.
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3. Neither the name of the OpenBLAS project nor the names of
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its contributors may be used to endorse or promote products
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derived from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE OPENBLAS PROJECT OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
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USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*****************************************************************************/
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#include "common.h"
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#define NBMAX 1024
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static void zgemv_kernel_4x4(BLASLONG n, FLOAT **ap, FLOAT *x, FLOAT *y, FLOAT *alpha)
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{
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__asm__ volatile (
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"vzero %%v16 \n\t"
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"vzero %%v17 \n\t"
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"vzero %%v18 \n\t"
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"vzero %%v19 \n\t"
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"xgr %%r1,%%r1 \n\t"
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"srlg %%r0,%0,1 \n\t"
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"0: \n\t"
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"pfd 1,1024(%%r1,%1) \n\t"
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"pfd 1,1024(%%r1,%2) \n\t"
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"pfd 1,1024(%%r1,%3) \n\t"
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"pfd 1,1024(%%r1,%4) \n\t"
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"pfd 1,1024(%%r1,%5) \n\t"
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"vl %%v20,0(%%r1,%5) \n\t"
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#if ( !defined(CONJ) && !defined(XCONJ) ) || ( defined(CONJ) && defined(XCONJ) )
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"vleg %%v21,8(%%r1,%5),0 \n\t"
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"wflcdb %%v21,%%v21 \n\t"
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"vleg %%v21,0(%%r1,%5),1 \n\t"
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#else
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"vleg %%v21,0(%%r1,%5),1 \n\t"
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"vflcdb %%v21,%%v21 \n\t"
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"vleg %%v21,8(%%r1,%5),0 \n\t"
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#endif
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"vlrepg %%v24,0(%%r1,%1) \n\t"
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"vlrepg %%v25,8(%%r1,%1) \n\t"
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"vlrepg %%v26,0(%%r1,%2) \n\t"
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"vlrepg %%v27,8(%%r1,%2) \n\t"
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"vfmadb %%v16,%%v24,%%v20,%%v16 \n\t"
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"vfmadb %%v16,%%v25,%%v21,%%v16 \n\t"
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"vfmadb %%v17,%%v26,%%v20,%%v17 \n\t"
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"vfmadb %%v17,%%v27,%%v21,%%v17 \n\t"
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"vlrepg %%v28,0(%%r1,%3) \n\t"
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"vlrepg %%v29,8(%%r1,%3) \n\t"
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"vlrepg %%v30,0(%%r1,%4) \n\t"
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"vlrepg %%v31,8(%%r1,%4) \n\t"
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"vfmadb %%v18,%%v28,%%v20,%%v18 \n\t"
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"vfmadb %%v18,%%v29,%%v21,%%v18 \n\t"
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"vfmadb %%v19,%%v30,%%v20,%%v19 \n\t"
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"vfmadb %%v19,%%v31,%%v21,%%v19 \n\t"
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"vl %%v22,16(%%r1,%5) \n\t"
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#if ( !defined(CONJ) && !defined(XCONJ) ) || ( defined(CONJ) && defined(XCONJ) )
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"vleg %%v23,24(%%r1,%5),0 \n\t"
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"wflcdb %%v23,%%v23 \n\t"
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"vleg %%v23,16(%%r1,%5),1 \n\t"
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#else
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"vleg %%v23,16(%%r1,%5),1 \n\t"
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"vflcdb %%v23,%%v23 \n\t"
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"vleg %%v23,24(%%r1,%5),0 \n\t"
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#endif
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"vlrepg %%v24,16(%%r1,%1) \n\t"
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"vlrepg %%v25,24(%%r1,%1) \n\t"
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"vlrepg %%v26,16(%%r1,%2) \n\t"
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"vlrepg %%v27,24(%%r1,%2) \n\t"
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"vfmadb %%v16,%%v24,%%v22,%%v16 \n\t"
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"vfmadb %%v16,%%v25,%%v23,%%v16 \n\t"
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"vfmadb %%v17,%%v26,%%v22,%%v17 \n\t"
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"vfmadb %%v17,%%v27,%%v23,%%v17 \n\t"
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"vlrepg %%v28,16(%%r1,%3) \n\t"
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"vlrepg %%v29,24(%%r1,%3) \n\t"
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"vlrepg %%v30,16(%%r1,%4) \n\t"
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"vlrepg %%v31,24(%%r1,%4) \n\t"
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"vfmadb %%v18,%%v28,%%v22,%%v18 \n\t"
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"vfmadb %%v18,%%v29,%%v23,%%v18 \n\t"
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"vfmadb %%v19,%%v30,%%v22,%%v19 \n\t"
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"vfmadb %%v19,%%v31,%%v23,%%v19 \n\t"
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"agfi %%r1,32 \n\t"
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"brctg %%r0,0b \n\t"
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"vpdi %%v20,%%v16,%%v16,4 \n\t"
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"vpdi %%v21,%%v17,%%v17,4 \n\t"
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"vpdi %%v22,%%v18,%%v18,4 \n\t"
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"vpdi %%v23,%%v19,%%v19,4 \n\t"
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#if !defined(XCONJ)
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"vlrepg %%v24,0(%7) \n\t"
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"vleg %%v25,8(%7),0 \n\t"
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"wflcdb %%v25,%%v25 \n\t"
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"vleg %%v25,8(%7),1 \n\t"
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#else
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"vleg %%v24,0(%7),1 \n\t"
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"vflcdb %%v24,%%v24 \n\t"
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"vleg %%v24,0(%7),0 \n\t"
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"vlrepg %%v25,8(%7) \n\t"
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#endif
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"vl %%v26,0(%6) \n\t"
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"vl %%v27,16(%6) \n\t"
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"vl %%v28,32(%6) \n\t"
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"vl %%v29,48(%6) \n\t"
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"vfmadb %%v26,%%v16,%%v24,%%v26 \n\t"
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"vfmadb %%v26,%%v20,%%v25,%%v26 \n\t"
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"vfmadb %%v27,%%v17,%%v24,%%v27 \n\t"
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"vfmadb %%v27,%%v21,%%v25,%%v27 \n\t"
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"vfmadb %%v28,%%v18,%%v24,%%v28 \n\t"
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"vfmadb %%v28,%%v22,%%v25,%%v28 \n\t"
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"vfmadb %%v29,%%v19,%%v24,%%v29 \n\t"
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"vfmadb %%v29,%%v23,%%v25,%%v29 \n\t"
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"vst %%v26,0(%6) \n\t"
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"vst %%v27,16(%6) \n\t"
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"vst %%v28,32(%6) \n\t"
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"vst %%v29,48(%6) "
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:
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:"r"(n),"ZR"((const FLOAT (*)[n * 2])ap[0]),"ZR"((const FLOAT (*)[n * 2])ap[1]),"ZR"((const FLOAT (*)[n * 2])ap[2]),"ZR"((const FLOAT (*)[n * 2])ap[3]),"ZR"((const FLOAT (*)[n * 2])x),"ZQ"((FLOAT (*)[8])y),"ZQ"((const FLOAT (*)[2])alpha)
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:"memory","cc","r0","r1","v16","v17","v18","v19","v20","v21","v22","v23","v24","v25","v26","v27","v28","v29","v30","v31"
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);
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}
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static void zgemv_kernel_4x2(BLASLONG n, FLOAT **ap, FLOAT *x, FLOAT *y, FLOAT *alpha)
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{
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__asm__ volatile (
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"vzero %%v16 \n\t"
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"vzero %%v17 \n\t"
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"xgr %%r1,%%r1 \n\t"
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"srlg %%r0,%0,1 \n\t"
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"0: \n\t"
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"pfd 1,1024(%%r1,%1) \n\t"
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"pfd 1,1024(%%r1,%2) \n\t"
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"pfd 1,1024(%%r1,%3) \n\t"
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"vl %%v18,0(%%r1,%3) \n\t"
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#if ( !defined(CONJ) && !defined(XCONJ) ) || ( defined(CONJ) && defined(XCONJ) )
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"vleg %%v19,8(%%r1,%3),0 \n\t"
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"wflcdb %%v19,%%v19 \n\t"
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"vleg %%v19,0(%%r1,%3),1 \n\t"
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#else
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"vleg %%v19,0(%%r1,%3),1 \n\t"
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"vflcdb %%v19,%%v19 \n\t"
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"vleg %%v19,8(%%r1,%3),0 \n\t"
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#endif
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"vlrepg %%v20,0(%%r1,%1) \n\t"
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"vlrepg %%v21,8(%%r1,%1) \n\t"
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"vlrepg %%v22,0(%%r1,%2) \n\t"
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"vlrepg %%v23,8(%%r1,%2) \n\t"
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"vfmadb %%v16,%%v20,%%v18,%%v16 \n\t"
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"vfmadb %%v16,%%v21,%%v19,%%v16 \n\t"
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"vfmadb %%v17,%%v22,%%v18,%%v17 \n\t"
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"vfmadb %%v17,%%v23,%%v19,%%v17 \n\t"
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"vl %%v18,16(%%r1,%3) \n\t"
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#if ( !defined(CONJ) && !defined(XCONJ) ) || ( defined(CONJ) && defined(XCONJ) )
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"vleg %%v19,24(%%r1,%3),0 \n\t"
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"wflcdb %%v19,%%v19 \n\t"
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"vleg %%v19,16(%%r1,%3),1 \n\t"
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#else
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"vleg %%v19,16(%%r1,%3),1 \n\t"
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"vflcdb %%v19,%%v19 \n\t"
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"vleg %%v19,24(%%r1,%3),0 \n\t"
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#endif
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"vlrepg %%v20,16(%%r1,%1) \n\t"
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"vlrepg %%v21,24(%%r1,%1) \n\t"
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"vlrepg %%v22,16(%%r1,%2) \n\t"
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"vlrepg %%v23,24(%%r1,%2) \n\t"
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"vfmadb %%v16,%%v20,%%v18,%%v16 \n\t"
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"vfmadb %%v16,%%v21,%%v19,%%v16 \n\t"
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"vfmadb %%v17,%%v22,%%v18,%%v17 \n\t"
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"vfmadb %%v17,%%v23,%%v19,%%v17 \n\t"
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"agfi %%r1,32 \n\t"
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"brctg %%r0,0b \n\t"
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"vpdi %%v18,%%v16,%%v16,4 \n\t"
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"vpdi %%v19,%%v17,%%v17,4 \n\t"
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#if !defined(XCONJ)
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"vlrepg %%v20,0(%5) \n\t"
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"vleg %%v21,8(%5),0 \n\t"
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"wflcdb %%v21,%%v21 \n\t"
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"vleg %%v21,8(%5),1 \n\t"
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#else
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"vleg %%v20,0(%5),1 \n\t"
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"vflcdb %%v20,%%v20 \n\t"
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"vleg %%v20,0(%5),0 \n\t"
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"vlrepg %%v21,8(%5) \n\t"
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#endif
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"vl %%v22,0(%4) \n\t"
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"vl %%v23,16(%4) \n\t"
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"vfmadb %%v22,%%v16,%%v20,%%v22 \n\t"
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"vfmadb %%v22,%%v18,%%v21,%%v22 \n\t"
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"vfmadb %%v23,%%v17,%%v20,%%v23 \n\t"
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"vfmadb %%v23,%%v19,%%v21,%%v23 \n\t"
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"vst %%v22,0(%4) \n\t"
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"vst %%v23,16(%4) \n\t"
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:
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:"r"(n),"ZR"((const FLOAT (*)[n * 2])ap[0]),"ZR"((const FLOAT (*)[n * 2])ap[1]),"ZR"((const FLOAT (*)[n * 2])x),"ZQ"((FLOAT (*)[4])y),"ZQ"((const FLOAT (*)[2])alpha)
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:"memory","cc","r0","r1","v16","v17","v18","v19","v20","v21","v22","v23"
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);
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}
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static void zgemv_kernel_4x1(BLASLONG n, FLOAT *ap, FLOAT *x, FLOAT *y, FLOAT *alpha)
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{
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__asm__ volatile (
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"vzero %%v16 \n\t"
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"xgr %%r1,%%r1 \n\t"
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"srlg %%r0,%0,1 \n\t"
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"0: \n\t"
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"pfd 1,1024(%%r1,%1) \n\t"
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"pfd 1,1024(%%r1,%2) \n\t"
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"vl %%v17,0(%%r1,%2) \n\t"
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#if ( !defined(CONJ) && !defined(XCONJ) ) || ( defined(CONJ) && defined(XCONJ) )
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"vleg %%v18,8(%%r1,%2),0 \n\t"
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"wflcdb %%v18,%%v18 \n\t"
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"vleg %%v18,0(%%r1,%2),1 \n\t"
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#else
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"vleg %%v18,0(%%r1,%2),1 \n\t"
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"vflcdb %%v18,%%v18 \n\t"
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"vleg %%v18,8(%%r1,%2),0 \n\t"
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#endif
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"vlrepg %%v19,0(%%r1,%1) \n\t"
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"vlrepg %%v20,8(%%r1,%1) \n\t"
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"vfmadb %%v16,%%v19,%%v17,%%v16 \n\t"
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"vfmadb %%v16,%%v20,%%v18,%%v16 \n\t"
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"vl %%v17,16(%%r1,%2) \n\t"
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#if ( !defined(CONJ) && !defined(XCONJ) ) || ( defined(CONJ) && defined(XCONJ) )
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"vleg %%v18,24(%%r1,%2),0 \n\t"
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"wflcdb %%v18,%%v18 \n\t"
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"vleg %%v18,16(%%r1,%2),1 \n\t"
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#else
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"vleg %%v18,16(%%r1,%2),1 \n\t"
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"vflcdb %%v18,%%v18 \n\t"
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"vleg %%v18,24(%%r1,%2),0 \n\t"
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#endif
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"vlrepg %%v19,16(%%r1,%1) \n\t"
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"vlrepg %%v20,24(%%r1,%1) \n\t"
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"vfmadb %%v16,%%v19,%%v17,%%v16 \n\t"
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"vfmadb %%v16,%%v20,%%v18,%%v16 \n\t"
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"agfi %%r1,32 \n\t"
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"brctg %%r0,0b \n\t"
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"vpdi %%v17,%%v16,%%v16,4 \n\t"
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#if !defined(XCONJ)
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"vlrepg %%v18,0(%4) \n\t"
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"vleg %%v19,8(%4),0 \n\t"
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"wflcdb %%v19,%%v19 \n\t"
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"vleg %%v19,8(%4),1 \n\t"
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#else
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"vleg %%v18,0(%4),1 \n\t"
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"vflcdb %%v18,%%v18 \n\t"
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"vleg %%v18,0(%4),0 \n\t"
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"vlrepg %%v19,8(%4) \n\t"
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#endif
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"vl %%v20,0(%3) \n\t"
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"vfmadb %%v20,%%v16,%%v18,%%v20 \n\t"
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"vfmadb %%v20,%%v17,%%v19,%%v20 \n\t"
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"vst %%v20,0(%3) \n\t"
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:
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:"r"(n),"ZR"((const FLOAT (*)[n * 2])ap),"ZR"((const FLOAT (*)[n * 2])x),"ZQ"((FLOAT (*)[2])y),"ZQ"((const FLOAT (*)[2])alpha)
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:"memory","cc","r0","r1","v16","v17","v18","v19","v20"
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);
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}
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static void copy_x(BLASLONG n, FLOAT *src, FLOAT *dest, BLASLONG inc_src)
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{
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BLASLONG i;
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for ( i=0; i<n; i++ )
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{
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*dest = *src;
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*(dest+1) = *(src+1);
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dest+=2;
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src += inc_src;
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}
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}
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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)
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{
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BLASLONG i;
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BLASLONG j;
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FLOAT *a_ptr;
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FLOAT *x_ptr;
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FLOAT *y_ptr;
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FLOAT *ap[8];
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BLASLONG n1;
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BLASLONG m1;
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BLASLONG m2;
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BLASLONG m3;
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BLASLONG n2;
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BLASLONG lda4;
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FLOAT ybuffer[8],*xbuffer;
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FLOAT alpha[2];
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if ( m < 1 ) return(0);
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if ( n < 1 ) return(0);
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inc_x <<= 1;
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inc_y <<= 1;
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lda <<= 1;
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lda4 = lda << 2;
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xbuffer = buffer;
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n1 = n >> 2 ;
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n2 = n & 3 ;
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m3 = m & 3 ;
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m1 = m - m3;
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m2 = (m & (NBMAX-1)) - m3 ;
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alpha[0] = alpha_r;
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alpha[1] = alpha_i;
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BLASLONG NB = NBMAX;
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while ( NB == NBMAX )
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{
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m1 -= NB;
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if ( m1 < 0)
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{
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if ( m2 == 0 ) break;
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NB = m2;
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}
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y_ptr = y;
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a_ptr = a;
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x_ptr = x;
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ap[0] = a_ptr;
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ap[1] = a_ptr + lda;
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ap[2] = ap[1] + lda;
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ap[3] = ap[2] + lda;
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if ( inc_x != 2 )
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|
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,sizeof(ybuffer));
|
|
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,sizeof(ybuffer));
|
|
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);
|
|
}
|