513 lines
18 KiB
C
513 lines
18 KiB
C
/***************************************************************************
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Copyright (c) 2013 - 2017, 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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static void zscal_kernel_8(BLASLONG n, FLOAT da_r,FLOAT da_i, FLOAT *x) {
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BLASLONG tempR1 ;
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__asm__ (
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"pfd 2, 0(%[x_tmp]) \n\t"
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#if !defined(CONJ)
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"lgdr %[t1],%[alpha_r] \n\t"
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"vlvgp %%v28,%[t1],%[t1] \n\t" //load both from disjoint
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"lgdr %[t1],%[alpha_i] \n\t"
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"vlvgp %%v29,%[t1],%[t1] \n\t" //load both from disjoint
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"vflcdb %%v29,%%v29 \n\t" //complement both
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"vlvgg %%v29,%[t1],1 \n\t" //restore 2nd so that {-alpha_i, alpha_i}
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#else
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"lgdr %[t1],%[alpha_i] \n\t"
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"vlvgp %%v29,%[t1],%[t1] \n\t" //load both from disjoint
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"lgdr %[t1],%[alpha_r] \n\t"
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"vlvgp %%v28,%[t1],%[t1] \n\t" //load both from disjoint
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"vflcdb %%v28,%%v28 \n\t" //complement both
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"vlvgg %%v28,%[t1],0 \n\t" //restore 1st so that {alpha_r,-alpha_r}
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#endif
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"xgr %[t1],%[t1] \n\t"
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"sllg %[tmp],%[tmp],4 \n\t"
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"vl %%v20 , 0(%[t1],%[x_tmp]) \n\t"
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"vl %%v21 , 16(%[t1],%[x_tmp]) \n\t"
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"vl %%v22 , 32(%[t1],%[x_tmp]) \n\t"
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"vl %%v23 , 48(%[t1],%[x_tmp]) \n\t"
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"lay %[tmp],-64 (%[tmp]) \n\t" //tmp-=64 so that t1+64 can break tmp condition
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"j 2f \n\t"
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".align 16 \n\t"
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"1: \n\t"
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"vpdi %%v24 , %%v20, %%v20, 4 \n\t"
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"vpdi %%v25 , %%v21, %%v21, 4 \n\t"
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"vpdi %%v26 , %%v22, %%v22, 4 \n\t"
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"vpdi %%v27 , %%v23, %%v23, 4 \n\t"
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"vfmdb %%v16, %%v20, %%v28 \n\t"
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"vfmdb %%v17, %%v21, %%v28 \n\t"
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"vfmdb %%v18, %%v22, %%v28 \n\t"
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"vfmdb %%v19, %%v23, %%v28 \n\t"
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"vl %%v20, 64(%[t1],%[x_tmp]) \n\t"
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"vl %%v21, 80(%[t1],%[x_tmp]) \n\t"
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"vl %%v22, 96(%[t1],%[x_tmp]) \n\t"
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"vl %%v23, 112(%[t1],%[x_tmp]) \n\t"
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"vfmadb %%v16, %%v24, %%v29, %%v16 \n\t"
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"vfmadb %%v17, %%v25, %%v29, %%v17 \n\t"
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"vfmadb %%v18, %%v26, %%v29, %%v18 \n\t"
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"vfmadb %%v19, %%v27, %%v29, %%v19 \n\t"
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"vst %%v16 , 0(%[t1],%[x_tmp]) \n\t"
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"vst %%v17 , 16(%[t1],%[x_tmp]) \n\t"
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"vst %%v18 , 32(%[t1],%[x_tmp]) \n\t"
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"vst %%v19 , 48(%[t1],%[x_tmp]) \n\t"
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"la %[t1],64(%[t1] ) \n\t"
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"2: \n\t"
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"pfd 2, 256(%[t1],%[x_tmp]) \n\t"
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"vpdi %%v24 , %%v20, %%v20, 4 \n\t"
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"vpdi %%v25 , %%v21, %%v21, 4 \n\t"
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"vpdi %%v26 , %%v22, %%v22, 4 \n\t"
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"vpdi %%v27 , %%v23, %%v23, 4 \n\t"
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"vfmdb %%v30, %%v20, %%v28 \n\t"
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"vfmdb %%v31, %%v21, %%v28 \n\t"
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"vfmdb %%v6, %%v22, %%v28 \n\t"
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"vfmdb %%v7, %%v23, %%v28 \n\t"
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"vl %%v20 , 64(%[t1],%[x_tmp]) \n\t"
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"vl %%v21 , 80(%[t1],%[x_tmp]) \n\t"
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"vl %%v22 , 96(%[t1],%[x_tmp]) \n\t"
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"vl %%v23 ,112(%[t1],%[x_tmp]) \n\t"
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"vfmadb %%v30, %%v24, %%v29, %%v30 \n\t"
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"vfmadb %%v31, %%v25, %%v29, %%v31 \n\t"
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"vfmadb %%v6, %%v26, %%v29, %%v6 \n\t"
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"vfmadb %%v7, %%v27, %%v29, %%v7 \n\t"
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"vst %%v30 , 0(%[t1],%[x_tmp]) \n\t"
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"vst %%v31 , 16(%[t1],%[x_tmp]) \n\t"
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"vst %%v6 , 32(%[t1],%[x_tmp]) \n\t"
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"vst %%v7 , 48(%[t1],%[x_tmp]) \n\t"
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"la %[t1],64(%[t1] ) \n\t"
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"clgrjl %[t1],%[tmp],1b \n\t"
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//----------------------------------------------------------------------
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"vfmdb %%v16, %%v20, %%v28 \n\t"
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"vfmdb %%v17, %%v21, %%v28 \n\t"
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"vfmdb %%v18, %%v22, %%v28 \n\t"
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"vfmdb %%v19, %%v23, %%v28 \n\t"
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"vpdi %%v24 , %%v20, %%v20, 4 \n\t"
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"vpdi %%v25 , %%v21, %%v21, 4 \n\t"
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"vpdi %%v26 , %%v22, %%v22, 4 \n\t"
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"vpdi %%v27 , %%v23, %%v23, 4 \n\t"
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"vfmadb %%v16, %%v24, %%v29, %%v16 \n\t"
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"vfmadb %%v17, %%v25, %%v29, %%v17 \n\t"
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"vfmadb %%v18, %%v26, %%v29, %%v18 \n\t"
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"vfmadb %%v19, %%v27, %%v29, %%v19 \n\t"
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"vst %%v16 , 0(%[t1],%[x_tmp]) \n\t"
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"vst %%v17 , 16(%[t1],%[x_tmp]) \n\t"
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"vst %%v18 , 32(%[t1],%[x_tmp]) \n\t"
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"vst %%v19 , 48(%[t1],%[x_tmp]) \n\t"
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: [mem_x] "+m" (*(double (*)[2*n])x),[tmp]"+&r"(n) , [t1] "=&a" (tempR1)
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: [x_tmp] "a"(x), [alpha_r] "f"(da_r),[alpha_i] "f"(da_i)
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: "cc", "v6","v7", "v16",
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"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 zscal_kernel_8_zero_r(BLASLONG n, FLOAT da_i, FLOAT *x) {
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__asm__ ( "pfd 2, 0(%1) \n\t"
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"lgdr %%r0,%[alpha] \n\t"
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"vlvgp %%v16,%%r0,%%r0 \n\t" //load both from disjoint
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"vflcdb %%v16,%%v16 \n\t" //complement both
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"vlvgg %%v16,%%r0,0 \n\t" //restore 1st
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"vlr %%v17 ,%%v16 \n\t"
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"sllg %%r0,%[n],4 \n\t"
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"agr %%r0,%[x_ptr] \n\t"
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".align 16 \n\t"
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"1: \n\t"
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"vl %%v24, 0(%[x_ptr]) \n\t"
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"vfmdb %%v24,%%v24,%%v16 \n\t"
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"vsteg %%v24, 0(%[x_ptr]),1 \n\t"
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"vsteg %%v24, 8(%[x_ptr]),0 \n\t"
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"vl %%v25, 16(%[x_ptr]) \n\t"
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"vfmdb %%v25,%%v25,%%v17 \n\t"
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"vsteg %%v25, 16(%[x_ptr]),1 \n\t"
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"vsteg %%v25, 24(%[x_ptr]),0 \n\t"
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"vl %%v26, 32(%[x_ptr]) \n\t"
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"vfmdb %%v26,%%v26,%%v16 \n\t"
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"vsteg %%v26, 32(%[x_ptr]),1 \n\t"
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"vsteg %%v26, 40(%[x_ptr]),0 \n\t"
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"vl %%v27, 48(%[x_ptr]) \n\t"
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"vfmdb %%v27,%%v27,%%v17 \n\t"
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"vsteg %%v27, 48(%[x_ptr]),1 \n\t"
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"vsteg %%v27, 56(%[x_ptr]),0 \n\t"
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"vl %%v28, 64(%[x_ptr]) \n\t"
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"vfmdb %%v28,%%v28,%%v16 \n\t"
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"vsteg %%v28, 64(%[x_ptr]),1 \n\t"
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"vsteg %%v28, 72(%[x_ptr]),0 \n\t"
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"vl %%v29, 80(%[x_ptr]) \n\t"
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"vfmdb %%v29,%%v29,%%v17 \n\t"
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"vsteg %%v29, 80(%[x_ptr]),1 \n\t"
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"vsteg %%v29, 88(%[x_ptr]),0 \n\t"
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"vl %%v30, 96(%[x_ptr]) \n\t"
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"vfmdb %%v30,%%v30,%%v16 \n\t"
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"vsteg %%v30, 96(%[x_ptr]),1 \n\t"
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"vsteg %%v30, 104(%[x_ptr]),0 \n\t"
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"vl %%v31, 112(%[x_ptr]) \n\t"
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"vfmdb %%v31,%%v31,%%v17 \n\t"
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"vsteg %%v31, 112(%[x_ptr]),1 \n\t"
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"vsteg %%v31, 120(%[x_ptr]),0 \n\t"
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"la %[x_ptr],128(%[x_ptr]) \n\t"
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"clgrjl %[x_ptr],%%r0,1b \n\t"
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: [mem] "+m" (*(double (*)[2*n])x) ,[x_ptr] "+&a"(x)
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: [n] "r"(n),[alpha] "f"(da_i)
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:"cc", "r0","f0", "f1","v16","v17" ,"v24","v25","v26","v27","v28","v29","v30","v31"
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);
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}
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static void zscal_kernel_8_zero_i(BLASLONG n, FLOAT da_r, FLOAT *x) {
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__asm__ ("pfd 2, 0(%[x_ptr]) \n\t"
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"lgdr %%r0,%[alpha] \n\t"
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"vlvgp %%v18,%%r0,%%r0 \n\t"
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"vlr %%v19,%%v18 \n\t"
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"vlr %%v16,%%v18 \n\t"
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"vlr %%v17,%%v18 \n\t"
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"sllg %%r0,%[n],4 \n\t"
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"agr %%r0,%[x_ptr] \n\t"
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".align 16 \n\t"
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"1: \n\t"
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"vl %%v24, 0(%[x_ptr]) \n\t"
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"vfmdb %%v24,%%v24,%%v18 \n\t"
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"vst %%v24, 0(%[x_ptr]) \n\t"
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"vl %%v25, 16(%[x_ptr]) \n\t"
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"vfmdb %%v25,%%v25,%%v19 \n\t"
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"vst %%v25, 16(%[x_ptr]) \n\t"
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"vl %%v26, 32(%[x_ptr]) \n\t"
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"vfmdb %%v26,%%v26,%%v16 \n\t"
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"vst %%v26, 32(%[x_ptr]) \n\t"
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"vl %%v27, 48(%[x_ptr]) \n\t"
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"vfmdb %%v27,%%v27,%%v17 \n\t"
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"vst %%v27, 48(%[x_ptr]) \n\t"
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"vl %%v28, 64(%[x_ptr]) \n\t"
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"vfmdb %%v28,%%v28,%%v18 \n\t"
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"vst %%v28, 64(%[x_ptr]) \n\t"
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"vl %%v29, 80(%[x_ptr]) \n\t"
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"vfmdb %%v29,%%v29,%%v19 \n\t"
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"vst %%v29, 80(%[x_ptr]) \n\t"
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"vl %%v30, 96(%[x_ptr]) \n\t"
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"vfmdb %%v30,%%v30,%%v16 \n\t"
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"vst %%v30, 96(%[x_ptr]) \n\t"
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"vl %%v31,112(%[x_ptr]) \n\t"
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"vfmdb %%v31,%%v31,%%v17 \n\t"
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"vst %%v31,112(%[x_ptr]) \n\t"
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"la %[x_ptr],128(%[x_ptr]) \n\t"
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"clgrjl %[x_ptr],%%r0,1b \n\t"
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: [mem] "+m" (*(double (*)[2*n])x) ,[x_ptr] "+&a"(x)
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: [n] "r"(n),[alpha] "f"(da_r)
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: "cc", "r0","v16", "v17","v18","v19","v24","v25","v26","v27","v28","v29","v30","v31"
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);
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}
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static void zscal_kernel_8_zero(BLASLONG n, FLOAT *x) {
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__asm__ ( "pfd 2, 0(%[x_ptr]) \n\t"
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"vzero %%v24 \n\t"
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"vzero %%v25 \n\t"
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"vzero %%v26 \n\t"
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"vzero %%v27 \n\t"
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"sllg %%r0,%[n],4 \n\t"
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"agr %%r0,%[x_ptr] \n\t"
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".align 16 \n\t"
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"1: \n\t"
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"pfd 2, 256( %[x_ptr]) \n\t"
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"vst %%v24, 0( %[x_ptr]) \n\t"
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"vst %%v25, 16( %[x_ptr]) \n\t"
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"vst %%v26, 32( %[x_ptr]) \n\t"
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"vst %%v27, 48( %[x_ptr]) \n\t"
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"vst %%v24, 64( %[x_ptr]) \n\t"
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"vst %%v25, 80( %[x_ptr]) \n\t"
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"vst %%v26, 96( %[x_ptr]) \n\t"
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"vst %%v27,112( %[x_ptr]) \n\t"
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"la %[x_ptr],128(%[x_ptr]) \n\t"
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"clgrjl %[x_ptr],%%r0,1b \n\t"
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: [mem] "+m" (*(double (*)[2*n])x),[x_ptr] "+&a"(x)
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: [n] "r"(n)
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:"cc" ,"r0","v24","v25","v26","v27"
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);
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}
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static void zscal_kernel_inc_8(BLASLONG n, FLOAT da_r,FLOAT da_i, FLOAT *x, BLASLONG inc_x) {
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BLASLONG i;
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BLASLONG inc_x2 = 2 * inc_x;
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BLASLONG inc_x3 = inc_x2 + inc_x;
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FLOAT t0, t1, t2, t3;
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for (i = 0; i < n; i += 4) {
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t0 = da_r * x[0] - da_i * x[1];
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t1 = da_r * x[inc_x] - da_i * x[inc_x + 1];
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t2 = da_r * x[inc_x2] - da_i * x[inc_x2 + 1];
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t3 = da_r * x[inc_x3] - da_i * x[inc_x3 + 1];
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x[1] = da_i * x[0] + da_r * x[1];
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x[inc_x + 1] = da_i * x[inc_x] + da_r * x[inc_x + 1];
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x[inc_x2 + 1] = da_i * x[inc_x2] + da_r * x[inc_x2 + 1];
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x[inc_x3 + 1] = da_i * x[inc_x3] + da_r * x[inc_x3 + 1];
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x[0] = t0;
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x[inc_x] = t1;
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x[inc_x2] = t2;
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x[inc_x3] = t3;
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x += 4 * inc_x;
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}
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}
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int CNAME(BLASLONG n, BLASLONG dummy0, BLASLONG dummy1, FLOAT da_r, FLOAT da_i, FLOAT *x, BLASLONG inc_x, FLOAT *y, BLASLONG inc_y, FLOAT *dummy, BLASLONG dummy2) {
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BLASLONG i = 0, j = 0;
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FLOAT temp0;
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FLOAT temp1;
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if (inc_x != 1) {
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inc_x <<= 1;
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if (da_r == 0.0) {
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BLASLONG n1 = n & -2;
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if (da_i == 0.0) {
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while (j < n1) {
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x[i] = 0.0;
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x[i + 1] = 0.0;
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x[i + inc_x] = 0.0;
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x[i + 1 + inc_x] = 0.0;
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i += 2 * inc_x;
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j += 2;
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}
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while (j < n) {
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x[i] = 0.0;
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x[i + 1] = 0.0;
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i += inc_x;
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j++;
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}
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} else {
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while (j < n1) {
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temp0 = -da_i * x[i + 1];
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x[i + 1] = da_i * x[i];
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x[i] = temp0;
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temp1 = -da_i * x[i + 1 + inc_x];
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x[i + 1 + inc_x] = da_i * x[i + inc_x];
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x[i + inc_x] = temp1;
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i += 2 * inc_x;
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j += 2;
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}
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while (j < n) {
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temp0 = -da_i * x[i + 1];
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x[i + 1] = da_i * x[i];
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x[i] = temp0;
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i += inc_x;
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j++;
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}
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}
|
|
|
|
} else {
|
|
|
|
|
|
if (da_i == 0.0) {
|
|
BLASLONG n1 = n & -2;
|
|
|
|
while (j < n1) {
|
|
|
|
temp0 = da_r * x[i];
|
|
x[i + 1] = da_r * x[i + 1];
|
|
x[i] = temp0;
|
|
temp1 = da_r * x[i + inc_x];
|
|
x[i + 1 + inc_x] = da_r * x[i + 1 + inc_x];
|
|
x[i + inc_x] = temp1;
|
|
i += 2 * inc_x;
|
|
j += 2;
|
|
|
|
}
|
|
|
|
while (j < n) {
|
|
|
|
temp0 = da_r * x[i];
|
|
x[i + 1] = da_r * x[i + 1];
|
|
x[i] = temp0;
|
|
i += inc_x;
|
|
j++;
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
BLASLONG n1 = n & -8;
|
|
if (n1 > 0) {
|
|
zscal_kernel_inc_8(n1, da_r,da_i, x, inc_x);
|
|
j = n1;
|
|
i = n1 * inc_x;
|
|
}
|
|
|
|
while (j < n) {
|
|
|
|
temp0 = da_r * x[i] - da_i * x[i + 1];
|
|
x[i + 1] = da_r * x[i + 1] + da_i * x[i];
|
|
x[i] = temp0;
|
|
i += inc_x;
|
|
j++;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return (0);
|
|
}
|
|
|
|
|
|
BLASLONG n1 = n & -8;
|
|
if (n1 > 0) {
|
|
|
|
|
|
if (da_r == 0.0)
|
|
if (da_i == 0)
|
|
zscal_kernel_8_zero(n1, x);
|
|
else
|
|
zscal_kernel_8_zero_r(n1, da_i, x);
|
|
else
|
|
if (da_i == 0)
|
|
zscal_kernel_8_zero_i(n1, da_r, x);
|
|
else
|
|
zscal_kernel_8(n1, da_r,da_i, x);
|
|
|
|
i = n1 << 1;
|
|
j = n1;
|
|
}
|
|
|
|
|
|
if (da_r == 0.0) {
|
|
|
|
if (da_i == 0.0) {
|
|
|
|
while (j < n) {
|
|
|
|
x[i] = 0.0;
|
|
x[i + 1] = 0.0;
|
|
i += 2;
|
|
j++;
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
while (j < n) {
|
|
|
|
temp0 = -da_i * x[i + 1];
|
|
x[i + 1] = da_i * x[i];
|
|
x[i] = temp0;
|
|
i += 2;
|
|
j++;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
if (da_i == 0.0) {
|
|
|
|
while (j < n) {
|
|
|
|
temp0 = da_r * x[i];
|
|
x[i + 1] = da_r * x[i + 1];
|
|
x[i] = temp0;
|
|
i += 2;
|
|
j++;
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
while (j < n) {
|
|
|
|
temp0 = da_r * x[i] - da_i * x[i + 1];
|
|
x[i + 1] = da_r * x[i + 1] + da_i * x[i];
|
|
x[i] = temp0;
|
|
i += 2;
|
|
j++;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return (0);
|
|
}
|
|
|
|
|