464 lines
20 KiB
C
464 lines
20 KiB
C
/*******************************************************************************
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Copyright (c) 2016, 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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#include "macros_msa.h"
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#define SGEMV_T_8x8() \
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{ \
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LD_SP2(pa0 + k, 4, t0, t1); \
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LD_SP2(pa1 + k, 4, t2, t3); \
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LD_SP2(pa2 + k, 4, t4, t5); \
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LD_SP2(pa3 + k, 4, t6, t7); \
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LD_SP2(pa4 + k, 4, t8, t9); \
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LD_SP2(pa5 + k, 4, t10, t11); \
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LD_SP2(pa6 + k, 4, t12, t13); \
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LD_SP2(pa7 + k, 4, t14, t15); \
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\
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tp0 += x0 * t0; \
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tp0 += x1 * t1; \
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\
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tp1 += x0 * t2; \
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tp1 += x1 * t3; \
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\
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tp2 += x0 * t4; \
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tp2 += x1 * t5; \
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\
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tp3 += x0 * t6; \
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tp3 += x1 * t7; \
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\
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tp4 += x0 * t8; \
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tp4 += x1 * t9; \
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\
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tp5 += x0 * t10; \
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tp5 += x1 * t11; \
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\
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tp6 += x0 * t12; \
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tp6 += x1 * t13; \
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\
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tp7 += x0 * t14; \
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tp7 += x1 * t15; \
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}
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#define SGEMV_T_8x4() \
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{ \
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t0 = LD_SP(pa0 + k); \
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t2 = LD_SP(pa1 + k); \
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t4 = LD_SP(pa2 + k); \
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t6 = LD_SP(pa3 + k); \
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t8 = LD_SP(pa4 + k); \
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t10 = LD_SP(pa5 + k); \
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t12 = LD_SP(pa6 + k); \
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t14 = LD_SP(pa7 + k); \
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\
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tp0 += x0 * t0; \
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tp1 += x0 * t2; \
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tp2 += x0 * t4; \
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tp3 += x0 * t6; \
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tp4 += x0 * t8; \
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tp5 += x0 * t10; \
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tp6 += x0 * t12; \
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tp7 += x0 * t14; \
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}
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#define SGEMV_T_4x8() \
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{ \
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LD_SP2(pa0 + k, 4, t0, t1); \
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LD_SP2(pa1 + k, 4, t2, t3); \
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LD_SP2(pa2 + k, 4, t4, t5); \
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LD_SP2(pa3 + k, 4, t6, t7); \
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\
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tp0 += x0 * t0; \
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tp0 += x1 * t1; \
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\
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tp1 += x0 * t2; \
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tp1 += x1 * t3; \
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\
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tp2 += x0 * t4; \
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tp2 += x1 * t5; \
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\
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tp3 += x0 * t6; \
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tp3 += x1 * t7; \
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}
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#define SGEMV_T_4x4() \
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{ \
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t0 = LD_SP(pa0 + k); \
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t2 = LD_SP(pa1 + k); \
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t4 = LD_SP(pa2 + k); \
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t6 = LD_SP(pa3 + k); \
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\
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tp0 += x0 * t0; \
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tp1 += x0 * t2; \
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tp2 += x0 * t4; \
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tp3 += x0 * t6; \
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}
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#define SGEMV_T_2x8() \
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{ \
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LD_SP2(pa0 + k, 4, t0, t1); \
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LD_SP2(pa1 + k, 4, t2, t3); \
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\
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tp0 += x0 * t0; \
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tp0 += x1 * t1; \
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\
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tp1 += x0 * t2; \
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tp1 += x1 * t3; \
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}
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#define SGEMV_T_2x4() \
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{ \
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t0 = LD_SP(pa0 + k); \
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t2 = LD_SP(pa1 + k); \
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\
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tp0 += x0 * t0; \
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tp1 += x0 * t2; \
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}
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#define SLOAD_X8_GP() \
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x0 = (v4f32) __msa_insert_w((v4i32) tp0, 0, *((int *)(x + 0 * inc_x))); \
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x0 = (v4f32) __msa_insert_w((v4i32) x0, 1, *((int *)(x + 1 * inc_x))); \
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x0 = (v4f32) __msa_insert_w((v4i32) x0, 2, *((int *)(x + 2 * inc_x))); \
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x0 = (v4f32) __msa_insert_w((v4i32) x0, 3, *((int *)(x + 3 * inc_x))); \
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x1 = (v4f32) __msa_insert_w((v4i32) tp0, 0, *((int *)(x + 4 * inc_x))); \
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x1 = (v4f32) __msa_insert_w((v4i32) x1, 1, *((int *)(x + 5 * inc_x))); \
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x1 = (v4f32) __msa_insert_w((v4i32) x1, 2, *((int *)(x + 6 * inc_x))); \
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x1 = (v4f32) __msa_insert_w((v4i32) x1, 3, *((int *)(x + 7 * inc_x))); \
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#define SLOAD_X4_GP() \
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x0 = (v4f32) __msa_insert_w((v4i32) tp0, 0, *((int *)(x + 0 * inc_x))); \
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x0 = (v4f32) __msa_insert_w((v4i32) x0, 1, *((int *)(x + 1 * inc_x))); \
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x0 = (v4f32) __msa_insert_w((v4i32) x0, 2, *((int *)(x + 2 * inc_x))); \
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x0 = (v4f32) __msa_insert_w((v4i32) x0, 3, *((int *)(x + 3 * inc_x))); \
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#define SLOAD_X8_VECTOR() LD_SP2(x, 4, x0, x1);
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#define SLOAD_X4_VECTOR() x0 = LD_SP(x);
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#define SGEMV_T_MSA() \
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for (j = (n >> 3); j--;) \
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{ \
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tp0 = zero; \
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tp1 = zero; \
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tp2 = zero; \
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tp3 = zero; \
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tp4 = zero; \
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tp5 = zero; \
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tp6 = zero; \
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tp7 = zero; \
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\
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k = 0; \
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x = srcx_org; \
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\
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for (i = (m >> 3); i--;) \
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{ \
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SLOAD_X8(); \
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SGEMV_T_8x8(); \
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\
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x += 8 * inc_x; \
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k += 8; \
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} \
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\
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if (m & 4) \
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{ \
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SLOAD_X4(); \
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SGEMV_T_8x4(); \
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\
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x += 4 * inc_x; \
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k += 4; \
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} \
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\
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TRANSPOSE4x4_SP_SP(tp0, tp1, tp2, tp3, \
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tp0, tp1, tp2, tp3); \
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TRANSPOSE4x4_SP_SP(tp4, tp5, tp6, tp7, \
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tp4, tp5, tp6, tp7); \
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tp0 += tp1; \
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tp0 += tp2; \
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tp0 += tp3; \
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tp4 += tp5; \
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tp4 += tp6; \
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tp4 += tp7; \
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\
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temp0 = tp0[0]; \
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temp1 = tp0[1]; \
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temp2 = tp0[2]; \
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temp3 = tp0[3]; \
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temp4 = tp4[0]; \
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temp5 = tp4[1]; \
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temp6 = tp4[2]; \
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temp7 = tp4[3]; \
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\
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for (i = (m & 3); i--;) \
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{ \
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temp0 += pa0[k] * x[0]; \
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temp1 += pa1[k] * x[0]; \
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temp2 += pa2[k] * x[0]; \
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temp3 += pa3[k] * x[0]; \
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temp4 += pa4[k] * x[0]; \
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temp5 += pa5[k] * x[0]; \
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temp6 += pa6[k] * x[0]; \
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temp7 += pa7[k] * x[0]; \
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\
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x += inc_x; \
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k++; \
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} \
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\
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res0 = y[0 * inc_y]; \
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res1 = y[1 * inc_y]; \
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res2 = y[2 * inc_y]; \
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res3 = y[3 * inc_y]; \
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res4 = y[4 * inc_y]; \
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res5 = y[5 * inc_y]; \
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res6 = y[6 * inc_y]; \
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res7 = y[7 * inc_y]; \
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\
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res0 += alpha * temp0; \
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res1 += alpha * temp1; \
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res2 += alpha * temp2; \
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res3 += alpha * temp3; \
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res4 += alpha * temp4; \
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res5 += alpha * temp5; \
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res6 += alpha * temp6; \
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res7 += alpha * temp7; \
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\
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y[0 * inc_y] = res0; \
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y[1 * inc_y] = res1; \
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y[2 * inc_y] = res2; \
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y[3 * inc_y] = res3; \
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y[4 * inc_y] = res4; \
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y[5 * inc_y] = res5; \
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y[6 * inc_y] = res6; \
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y[7 * inc_y] = res7; \
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\
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y += 8 * inc_y; \
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\
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pa0 += 8 * lda; \
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pa1 += 8 * lda; \
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pa2 += 8 * lda; \
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pa3 += 8 * lda; \
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pa4 += 8 * lda; \
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pa5 += 8 * lda; \
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pa6 += 8 * lda; \
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pa7 += 8 * lda; \
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} \
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\
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if (n & 4) \
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{ \
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tp0 = zero; \
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tp1 = zero; \
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tp2 = zero; \
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tp3 = zero; \
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\
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k = 0; \
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x = srcx_org; \
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\
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for (i = (m >> 3); i--;) \
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{ \
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SLOAD_X8(); \
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SGEMV_T_4x8(); \
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\
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x += 8 * inc_x; \
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k += 8; \
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} \
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\
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if (m & 4) \
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{ \
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SLOAD_X4(); \
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SGEMV_T_4x4(); \
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\
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x += 4 * inc_x; \
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k += 4; \
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} \
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\
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TRANSPOSE4x4_SP_SP(tp0, tp1, tp2, tp3, \
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tp0, tp1, tp2, tp3); \
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tp0 += tp1; \
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tp0 += tp2; \
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tp0 += tp3; \
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\
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temp0 = tp0[0]; \
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temp1 = tp0[1]; \
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temp2 = tp0[2]; \
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temp3 = tp0[3]; \
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\
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for (i = (m & 3); i--;) \
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{ \
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temp0 += pa0[k] * x[0]; \
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temp1 += pa1[k] * x[0]; \
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temp2 += pa2[k] * x[0]; \
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temp3 += pa3[k] * x[0]; \
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\
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x += inc_x; \
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k++; \
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} \
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\
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res0 = y[0 * inc_y]; \
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res1 = y[1 * inc_y]; \
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res2 = y[2 * inc_y]; \
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res3 = y[3 * inc_y]; \
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\
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res0 += alpha * temp0; \
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res1 += alpha * temp1; \
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res2 += alpha * temp2; \
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res3 += alpha * temp3; \
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\
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y[0 * inc_y] = res0; \
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y[1 * inc_y] = res1; \
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y[2 * inc_y] = res2; \
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y[3 * inc_y] = res3; \
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\
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y += 4 * inc_y; \
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\
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pa0 += 4 * lda; \
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pa1 += 4 * lda; \
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pa2 += 4 * lda; \
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pa3 += 4 * lda; \
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} \
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\
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if (n & 2) \
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{ \
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tp0 = zero; \
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tp1 = zero; \
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\
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k = 0; \
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x = srcx_org; \
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\
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for (i = (m >> 3); i--;) \
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{ \
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SLOAD_X8(); \
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SGEMV_T_2x8(); \
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\
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x += 8 * inc_x; \
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k += 8; \
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} \
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\
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if (m & 4) \
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{ \
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SLOAD_X4(); \
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SGEMV_T_2x4(); \
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\
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x += 4 * inc_x; \
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k += 4; \
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} \
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\
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ILVRL_W2_SP(tp1, tp0, tp2, tp3); \
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\
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tp2 += tp3; \
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\
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temp0 = tp2[0] + tp2[2]; \
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temp1 = tp2[1] + tp2[3]; \
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\
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for (i = (m & 3); i--;) \
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{ \
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temp0 += pa0[k] * x[0]; \
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temp1 += pa1[k] * x[0]; \
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\
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x += inc_x; \
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k++; \
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} \
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\
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res0 = y[0 * inc_y]; \
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res1 = y[1 * inc_y]; \
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\
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res0 += alpha * temp0; \
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res1 += alpha * temp1; \
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\
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y[0 * inc_y] = res0; \
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y[1 * inc_y] = res1; \
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\
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y += 2 * inc_y; \
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\
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pa0 += 2 * lda; \
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pa1 += 2 * lda; \
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} \
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\
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if (n & 1) \
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{ \
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temp0 = 0.0; \
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\
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k = 0; \
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x = srcx_org; \
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\
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for (i = m; i--;) \
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{ \
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temp0 += pa0[k] * x[0]; \
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\
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x += inc_x; \
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k++; \
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} \
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\
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y[0] += alpha * temp0; \
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y += inc_y; \
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pa0 += lda; \
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}
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int CNAME(BLASLONG m, BLASLONG n, BLASLONG dummy1, FLOAT alpha, FLOAT *A,
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BLASLONG lda, FLOAT *x, BLASLONG inc_x, FLOAT *y, BLASLONG inc_y,
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FLOAT *buffer)
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{
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BLASLONG i, j, k;
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FLOAT *srcx_org = x;
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FLOAT *pa0, *pa1, *pa2, *pa3, *pa4, *pa5, *pa6, *pa7;
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FLOAT temp0, temp1, temp2, temp3, temp4, temp5, temp6, temp7;
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FLOAT res0, res1, res2, res3, res4, res5, res6, res7;
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v4f32 x0, x1;
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v4f32 t0, t1, t2, t3, t4, t5, t6, t7, t8, t9, t10, t11, t12, t13, t14, t15;
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v4f32 tp0, tp1, tp2, tp3, tp4, tp5, tp6, tp7;
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v4f32 zero = {0};
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pa0 = A + 0 * lda;
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pa1 = A + 1 * lda;
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pa2 = A + 2 * lda;
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pa3 = A + 3 * lda;
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pa4 = A + 4 * lda;
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pa5 = A + 5 * lda;
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pa6 = A + 6 * lda;
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pa7 = A + 7 * lda;
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if (1 == inc_x)
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{
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#define SLOAD_X8 SLOAD_X8_VECTOR
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#define SLOAD_X4 SLOAD_X4_VECTOR
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SGEMV_T_MSA();
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#undef SLOAD_X8
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#undef SLOAD_X4
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}
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else
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{
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#define SLOAD_X8 SLOAD_X8_GP
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#define SLOAD_X4 SLOAD_X4_GP
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SGEMV_T_MSA();
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#undef SLOAD_X8
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#undef SLOAD_X4
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}
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return(0);
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}
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