207 lines
5.9 KiB
C
207 lines
5.9 KiB
C
/***************************************************************************
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Copyright (c) 2014-2015, 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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#define HAVE_KERNEL_8 1
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static void dscal_kernel_8( BLASLONG n, FLOAT *alpha, FLOAT *x) __attribute__ ((noinline));
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static void dscal_kernel_8( BLASLONG n, FLOAT *alpha, FLOAT *x)
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{
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BLASLONG n1 = n >> 4 ;
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BLASLONG n2 = n & 8 ;
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__asm__ __volatile__
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(
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"vmovddup (%2), %%xmm0 \n\t" // alpha
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"addq $128, %1 \n\t"
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"cmpq $0, %0 \n\t"
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"je 4f \n\t"
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"vmulpd -128(%1), %%xmm0, %%xmm4 \n\t"
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"vmulpd -112(%1), %%xmm0, %%xmm5 \n\t"
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"vmulpd -96(%1), %%xmm0, %%xmm6 \n\t"
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"vmulpd -80(%1), %%xmm0, %%xmm7 \n\t"
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"vmulpd -64(%1), %%xmm0, %%xmm8 \n\t"
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"vmulpd -48(%1), %%xmm0, %%xmm9 \n\t"
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"vmulpd -32(%1), %%xmm0, %%xmm10 \n\t"
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"vmulpd -16(%1), %%xmm0, %%xmm11 \n\t"
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"subq $1 , %0 \n\t"
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"jz 2f \n\t"
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".p2align 4 \n\t"
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"1: \n\t"
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"prefetcht0 640(%1) \n\t"
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"vmovups %%xmm4 ,-128(%1) \n\t"
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"vmovups %%xmm5 ,-112(%1) \n\t"
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"vmulpd 0(%1), %%xmm0, %%xmm4 \n\t"
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"vmovups %%xmm6 , -96(%1) \n\t"
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"vmulpd 16(%1), %%xmm0, %%xmm5 \n\t"
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"vmovups %%xmm7 , -80(%1) \n\t"
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"vmulpd 32(%1), %%xmm0, %%xmm6 \n\t"
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"prefetcht0 704(%1) \n\t"
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"vmovups %%xmm8 , -64(%1) \n\t"
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"vmulpd 48(%1), %%xmm0, %%xmm7 \n\t"
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"vmovups %%xmm9 , -48(%1) \n\t"
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"vmulpd 64(%1), %%xmm0, %%xmm8 \n\t"
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"vmovups %%xmm10 , -32(%1) \n\t"
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"vmulpd 80(%1), %%xmm0, %%xmm9 \n\t"
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"vmovups %%xmm11 , -16(%1) \n\t"
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"vmulpd 96(%1), %%xmm0, %%xmm10 \n\t"
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"vmulpd 112(%1), %%xmm0, %%xmm11 \n\t"
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"addq $128, %1 \n\t"
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"subq $1 , %0 \n\t"
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"jnz 1b \n\t"
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"2: \n\t"
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"vmovups %%xmm4 ,-128(%1) \n\t"
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"vmovups %%xmm5 ,-112(%1) \n\t"
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"vmovups %%xmm6 , -96(%1) \n\t"
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"vmovups %%xmm7 , -80(%1) \n\t"
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"vmovups %%xmm8 , -64(%1) \n\t"
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"vmovups %%xmm9 , -48(%1) \n\t"
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"vmovups %%xmm10 , -32(%1) \n\t"
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"vmovups %%xmm11 , -16(%1) \n\t"
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"addq $128, %1 \n\t"
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"4: \n\t"
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"cmpq $8 ,%3 \n\t"
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"jne 5f \n\t"
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"vmulpd -128(%1), %%xmm0, %%xmm4 \n\t"
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"vmulpd -112(%1), %%xmm0, %%xmm5 \n\t"
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"vmulpd -96(%1), %%xmm0, %%xmm6 \n\t"
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"vmulpd -80(%1), %%xmm0, %%xmm7 \n\t"
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"vmovups %%xmm4 ,-128(%1) \n\t"
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"vmovups %%xmm5 ,-112(%1) \n\t"
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"vmovups %%xmm6 , -96(%1) \n\t"
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"vmovups %%xmm7 , -80(%1) \n\t"
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"5: \n\t"
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"vzeroupper \n\t"
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:
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"+r" (n1), // 0
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"+r" (x) // 1
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:
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"r" (alpha), // 2
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"r" (n2) // 3
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: "cc",
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"%xmm0", "%xmm1", "%xmm2", "%xmm3",
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"%xmm4", "%xmm5", "%xmm6", "%xmm7",
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"%xmm8", "%xmm9", "%xmm10", "%xmm11",
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"%xmm12", "%xmm13", "%xmm14", "%xmm15",
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"memory"
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);
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}
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static void dscal_kernel_8_zero( BLASLONG n, FLOAT *alpha, FLOAT *x) __attribute__ ((noinline));
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static void dscal_kernel_8_zero( BLASLONG n, FLOAT *alpha, FLOAT *x)
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{
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BLASLONG n1 = n >> 4 ;
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BLASLONG n2 = n & 8 ;
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__asm__ __volatile__
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(
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"vxorpd %%xmm0, %%xmm0 , %%xmm0 \n\t"
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"addq $128, %1 \n\t"
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"cmpq $0, %0 \n\t"
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"je 2f \n\t"
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".p2align 4 \n\t"
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"1: \n\t"
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"vmovups %%xmm0 ,-128(%1) \n\t"
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"vmovups %%xmm0 ,-112(%1) \n\t"
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"vmovups %%xmm0 , -96(%1) \n\t"
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"vmovups %%xmm0 , -80(%1) \n\t"
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"vmovups %%xmm0 , -64(%1) \n\t"
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"vmovups %%xmm0 , -48(%1) \n\t"
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"vmovups %%xmm0 , -32(%1) \n\t"
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"vmovups %%xmm0 , -16(%1) \n\t"
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"addq $128, %1 \n\t"
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"subq $1 , %0 \n\t"
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"jnz 1b \n\t"
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"2: \n\t"
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"cmpq $8 ,%3 \n\t"
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"jne 4f \n\t"
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"vmovups %%xmm0 ,-128(%1) \n\t"
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"vmovups %%xmm0 ,-112(%1) \n\t"
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"vmovups %%xmm0 , -96(%1) \n\t"
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"vmovups %%xmm0 , -80(%1) \n\t"
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"4: \n\t"
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"vzeroupper \n\t"
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:
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"+r" (n1), // 0
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"+r" (x) // 1
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:
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"r" (alpha), // 2
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"r" (n2) // 3
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: "cc",
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"%xmm0", "%xmm1", "%xmm2", "%xmm3",
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"%xmm4", "%xmm5", "%xmm6", "%xmm7",
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"%xmm8", "%xmm9", "%xmm10", "%xmm11",
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"%xmm12", "%xmm13", "%xmm14", "%xmm15",
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"memory"
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);
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}
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