/*********************************************************************/
/* Copyright 2009, 2010 The University of Texas at Austin. */
/* All rights reserved. */
/* */
/* Redistribution and use in source and binary forms, with or */
/* without modification, are permitted provided that the following */
/* conditions are met: */
/* */
/* 1. Redistributions of source code must retain the above */
/* copyright notice, this list of conditions and the following */
/* disclaimer. */
/* */
/* 2. Redistributions in binary form must reproduce the above */
/* copyright notice, this list of conditions and the following */
/* disclaimer in the documentation and/or other materials */
/* provided with the distribution. */
/* */
/* THIS SOFTWARE IS PROVIDED BY THE UNIVERSITY OF TEXAS AT */
/* AUSTIN ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, */
/* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF */
/* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE */
/* DISCLAIMED. IN NO EVENT SHALL THE UNIVERSITY OF TEXAS AT */
/* AUSTIN OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, */
/* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES */
/* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE */
/* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR */
/* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF */
/* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT */
/* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT */
/* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE */
/* POSSIBILITY OF SUCH DAMAGE. */
/* */
/* The views and conclusions contained in the software and */
/* documentation are those of the authors and should not be */
/* interpreted as representing official policies, either expressed */
/* or implied, of The University of Texas at Austin. */
/*********************************************************************/
#define ASSEMBLER
#include "common.h"
#define RPREFETCHSIZE 8
#define WPREFETCHSIZE (RPREFETCHSIZE * 4)
#define PREFETCH prefetcht0
#define PREFETCHW prefetcht2
#define STACK 16
#define ARGS 0
#define M 4 + STACK + ARGS(%esp)
#define N 8 + STACK + ARGS(%esp)
#define ARG_A 12 + STACK + ARGS(%esp)
#define ARG_LDA 16 + STACK + ARGS(%esp)
#define ARG_B 20 + STACK + ARGS(%esp)
#define A %eax
#define B %ebx
#define LDA %ebp
#define A1 %ecx
#define A2 %edx
#define I %esi
#define J %edi
PROLOGUE
pushl %ebp
pushl %edi
pushl %esi
pushl %ebx
PROFCODE
movl ARG_A, A
movl ARG_B, B
movl ARG_LDA, LDA
sall $BASE_SHIFT, LDA
movl N, J
sarl $2, J
je .L20
ALIGN_3
.L10:
movl A, A1
leal (A, LDA, 2), A2
addl $4 * SIZE, A
movl M, I
sarl $2, I
je .L15
ALIGN_3
.L12:
PREFETCH RPREFETCHSIZE * SIZE(A1)
movsd 0 * SIZE(A1) , %xmm0
movhps 1 * SIZE(A1) , %xmm0
movsd 2 * SIZE(A1) , %xmm1
movhps 3 * SIZE(A1) , %xmm1
PREFETCH RPREFETCHSIZE * SIZE(A1, LDA)
movsd 0 * SIZE(A1, LDA), %xmm2
movhps 1 * SIZE(A1, LDA), %xmm2
movsd 2 * SIZE(A1, LDA), %xmm3
movhps 3 * SIZE(A1, LDA), %xmm3
PREFETCH RPREFETCHSIZE * SIZE(A2)
movsd 0 * SIZE(A2) , %xmm4
movhps 1 * SIZE(A2) , %xmm4
movsd 2 * SIZE(A2) , %xmm5
movhps 3 * SIZE(A2) , %xmm5
PREFETCH RPREFETCHSIZE * SIZE(A2, LDA)
movsd 0 * SIZE(A2, LDA), %xmm6
movhps 1 * SIZE(A2, LDA), %xmm6
movsd 2 * SIZE(A2, LDA), %xmm7
movhps 3 * SIZE(A2, LDA), %xmm7
PREFETCHW (RPREFETCHSIZE + 0) * SIZE(B)
movaps %xmm0, 0 * SIZE(B)
movaps %xmm1, 2 * SIZE(B)
movaps %xmm2, 4 * SIZE(B)
movaps %xmm3, 6 * SIZE(B)
PREFETCHW (RPREFETCHSIZE + 8) * SIZE(B)
movaps %xmm4, 8 * SIZE(B)
movaps %xmm5, 10 * SIZE(B)
movaps %xmm6, 12 * SIZE(B)
movaps %xmm7, 14 * SIZE(B)
leal (A1, LDA, 4), A1
leal (A2, LDA, 4), A2
subl $-16 * SIZE, B
decl I
jne .L12
ALIGN_3
.L15:
testl $2, M
jle .L16
movsd 0 * SIZE(A1) , %xmm0
movhps 1 * SIZE(A1) , %xmm0
movsd 2 * SIZE(A1) , %xmm1
movhps 3 * SIZE(A1) , %xmm1
movsd 0 * SIZE(A1, LDA), %xmm2
movhps 1 * SIZE(A1, LDA), %xmm2
movsd 2 * SIZE(A1, LDA), %xmm3
movhps 3 * SIZE(A1, LDA), %xmm3
movaps %xmm0, 0 * SIZE(B)
movaps %xmm1, 2 * SIZE(B)
movaps %xmm2, 4 * SIZE(B)
movaps %xmm3, 6 * SIZE(B)
leal (A1, LDA, 2), A1
subl $-8 * SIZE, B
ALIGN_4
.L16:
testl $1, M
jle .L19
movsd 0 * SIZE(A1) , %xmm0
movhps 1 * SIZE(A1) , %xmm0
movsd 2 * SIZE(A1) , %xmm1
movhps 3 * SIZE(A1) , %xmm1
movaps %xmm0, 0 * SIZE(B)
movaps %xmm1, 2 * SIZE(B)
subl $-4 * SIZE, B
ALIGN_4
.L19:
decl J
jne .L10
ALIGN_3
.L20:
testl $2, N
jle .L30
movl A, A1
leal (A, LDA, 2), A2
addl $2 * SIZE, A
movl M, I
sarl $2, I
je .L25
ALIGN_3
.L22:
movsd 0 * SIZE(A1) , %xmm0
movhps 1 * SIZE(A1) , %xmm0
movsd 0 * SIZE(A1, LDA), %xmm1
movhps 1 * SIZE(A1, LDA), %xmm1
movsd 0 * SIZE(A2) , %xmm2
movhps 1 * SIZE(A2) , %xmm2
movsd 0 * SIZE(A2, LDA), %xmm3
movhps 1 * SIZE(A2, LDA), %xmm3
movaps %xmm0, 0 * SIZE(B)
movaps %xmm1, 2 * SIZE(B)
movaps %xmm2, 4 * SIZE(B)
movaps %xmm3, 6 * SIZE(B)
leal (A1, LDA, 4), A1
leal (A2, LDA, 4), A2
subl $-8 * SIZE, B
decl I
jne .L22
ALIGN_3
.L25:
testl $2, M
jle .L26
movsd 0 * SIZE(A1) , %xmm0
movhps 1 * SIZE(A1) , %xmm0
movsd 0 * SIZE(A1, LDA), %xmm1
movhps 1 * SIZE(A1, LDA), %xmm1
movaps %xmm0, 0 * SIZE(B)
movaps %xmm1, 2 * SIZE(B)
leal (A1, LDA, 2), A1
subl $-4 * SIZE, B
ALIGN_4
.L26:
testl $1, M
jle .L30
movsd 0 * SIZE(A1) , %xmm0
movhps 1 * SIZE(A1) , %xmm0
movaps %xmm0, 0 * SIZE(B)
subl $-2 * SIZE, B
ALIGN_4
.L30:
testl $1, N
jle .L999
movl A, A1
leal (A, LDA, 2), A2
movl M, I
sarl $2, I
je .L35
ALIGN_3
.L32:
movsd 0 * SIZE(A1) , %xmm0
movhps 0 * SIZE(A1, LDA), %xmm0
movsd 0 * SIZE(A2) , %xmm1
movhps 0 * SIZE(A2, LDA), %xmm1
movaps %xmm0, 0 * SIZE(B)
movaps %xmm1, 2 * SIZE(B)
leal (A1, LDA, 4), A1
leal (A2, LDA, 4), A2
subl $-4 * SIZE, B
decl I
jne .L32
ALIGN_3
.L35:
testl $2, M
jle .L36
movsd 0 * SIZE(A1) , %xmm0
movhps 0 * SIZE(A1, LDA), %xmm0
movaps %xmm0, 0 * SIZE(B)
leal (A1, LDA, 2), A1
subl $-2 * SIZE, B
ALIGN_4
.L36:
testl $1, M
jle .L999
movsd 0 * SIZE(A1) , %xmm0
movsd %xmm0, 0 * SIZE(B)
ALIGN_4
.L999:
popl %ebx
popl %esi
popl %edi
popl %ebp
ret
EPILOGUE