216 lines
5.1 KiB
ArmAsm
216 lines
5.1 KiB
ArmAsm
/*********************************************************************/
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/* Copyright 2009, 2010 The University of Texas at Austin. */
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/* All rights reserved. */
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/* */
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/* Redistribution and use in source and binary forms, with or */
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/* without modification, are permitted provided that the following */
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/* conditions are met: */
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/* */
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/* 1. Redistributions of source code must retain the above */
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/* copyright notice, this list of conditions and the following */
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/* disclaimer. */
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/* */
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/* 2. Redistributions in binary form must reproduce the above */
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/* copyright notice, this list of conditions and the following */
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/* disclaimer in the documentation and/or other materials */
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/* provided with the distribution. */
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/* */
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/* THIS SOFTWARE IS PROVIDED BY THE UNIVERSITY OF TEXAS AT */
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/* AUSTIN ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, */
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/* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF */
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/* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE */
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/* DISCLAIMED. IN NO EVENT SHALL THE UNIVERSITY OF TEXAS AT */
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/* AUSTIN OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, */
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/* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES */
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/* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE */
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/* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR */
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/* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF */
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/* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT */
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/* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT */
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/* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE */
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/* POSSIBILITY OF SUCH DAMAGE. */
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/* */
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/* The views and conclusions contained in the software and */
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/* documentation are those of the authors and should not be */
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/* interpreted as representing official policies, either expressed */
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/* or implied, of The University of Texas at Austin. */
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/*********************************************************************/
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#define ASSEMBLER
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#include "common.h"
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#define RPREFETCHSIZE 12
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#define WPREFETCHSIZE (RPREFETCHSIZE * 2)
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#define PREFETCH prefetcht0
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#define PREFETCHW prefetcht2
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#define STACK 16
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#define ARGS 0
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#define M 4 + STACK + ARGS(%esp)
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#define N 8 + STACK + ARGS(%esp)
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#define ARG_A 12 + STACK + ARGS(%esp)
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#define ARG_LDA 16 + STACK + ARGS(%esp)
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#define ARG_B 20 + STACK + ARGS(%esp)
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#define A %eax
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#define B %ebx
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#define LDA %ebp
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#define A1 %ecx
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#define A2 %edx
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#define I %esi
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#define J %edi
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PROLOGUE
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pushl %ebp
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pushl %edi
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pushl %esi
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pushl %ebx
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PROFCODE
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movl ARG_A, A
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movl ARG_B, B
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movl ARG_LDA, LDA
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sall $BASE_SHIFT, LDA
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movl N, J
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sarl $1, J
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je .L20
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ALIGN_3
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.L10:
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movl A, A1
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leal (A, LDA, 1), A2
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leal (A, LDA, 2), A
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movl M, I
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sarl $2, I
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je .L15
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ALIGN_3
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.L12:
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PREFETCH RPREFETCHSIZE * SIZE(A1)
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movsd 0 * SIZE(A1) , %xmm0
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movhps 0 * SIZE(A2) , %xmm0
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movsd 1 * SIZE(A1) , %xmm1
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movhps 1 * SIZE(A2) , %xmm1
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PREFETCH RPREFETCHSIZE * SIZE(A2)
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movsd 2 * SIZE(A1) , %xmm2
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movhps 2 * SIZE(A2) , %xmm2
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movsd 3 * SIZE(A1) , %xmm3
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movhps 3 * SIZE(A2) , %xmm3
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PREFETCHW (RPREFETCHSIZE + 0) * SIZE(B)
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movaps %xmm0, 0 * SIZE(B)
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movaps %xmm1, 2 * SIZE(B)
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movaps %xmm2, 4 * SIZE(B)
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movaps %xmm3, 6 * SIZE(B)
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addl $ 4 * SIZE, A1
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addl $ 4 * SIZE, A2
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subl $-8 * SIZE, B
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decl I
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jne .L12
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ALIGN_3
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.L15:
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testl $2, M
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jle .L16
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movsd 0 * SIZE(A1) , %xmm0
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movhps 0 * SIZE(A2) , %xmm0
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movsd 1 * SIZE(A1) , %xmm1
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movhps 1 * SIZE(A2) , %xmm1
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movaps %xmm0, 0 * SIZE(B)
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movaps %xmm1, 2 * SIZE(B)
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addl $ 2 * SIZE, A1
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addl $ 2 * SIZE, A2
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subl $-4 * SIZE, B
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ALIGN_4
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.L16:
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testl $1, M
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jle .L19
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movsd 0 * SIZE(A1) , %xmm0
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movhps 0 * SIZE(A2) , %xmm0
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movaps %xmm0, 0 * SIZE(B)
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subl $-2 * SIZE, B
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ALIGN_4
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.L19:
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decl J
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jne .L10
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ALIGN_3
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.L20:
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testl $1, N
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jle .L999
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movl A, A1
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movl M, I
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sarl $2, I
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je .L25
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ALIGN_3
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.L22:
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PREFETCH RPREFETCHSIZE * SIZE(A1)
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movsd 0 * SIZE(A1), %xmm0
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movhps 1 * SIZE(A1), %xmm0
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movsd 2 * SIZE(A1), %xmm1
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movhps 3 * SIZE(A1), %xmm1
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PREFETCHW (RPREFETCHSIZE + 0) * SIZE(B)
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movaps %xmm0, 0 * SIZE(B)
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movaps %xmm1, 2 * SIZE(B)
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addl $ 4 * SIZE, A1
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subl $-4 * SIZE, B
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decl I
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jne .L22
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ALIGN_3
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.L25:
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testl $2, M
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jle .L26
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movsd 0 * SIZE(A1), %xmm0
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movhps 1 * SIZE(A1), %xmm0
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movaps %xmm0, 0 * SIZE(B)
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addl $ 2 * SIZE, A1
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subl $-2 * SIZE, B
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ALIGN_4
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.L26:
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testl $1, M
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jle .L999
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movsd 0 * SIZE(A1), %xmm0
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movsd %xmm0, 0 * SIZE(B)
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ALIGN_4
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.L999:
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popl %ebx
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popl %esi
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popl %edi
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popl %ebp
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ret
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EPILOGUE
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