/*********************************************************************/
/* 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"
#ifndef WINDOWS_ABI
#define M ARG1
#define N ARG2
#define C ARG3
#define LDC ARG4
#define C1 ARG5
#define STACK_C 16(%rsp)
#define STACK_LDC 24(%rsp)
#else
#define STACKSIZE 256
#define M ARG1
#define N ARG2
#define C ARG3
#define LDC ARG4
#define C1 %r10
#define STACK_C 72 + STACKSIZE(%rsp)
#define STACK_LDC 80 + STACKSIZE(%rsp)
#endif
#define I %rax
PROLOGUE
PROFCODE
#ifdef WINDOWS_ABI
subq $STACKSIZE, %rsp
movups %xmm6, 0(%rsp)
movups %xmm7, 16(%rsp)
movups %xmm8, 32(%rsp)
movups %xmm9, 48(%rsp)
movups %xmm10, 64(%rsp)
movups %xmm11, 80(%rsp)
movups %xmm12, 96(%rsp)
movups %xmm13, 112(%rsp)
movups %xmm14, 128(%rsp)
movups %xmm15, 144(%rsp)
movaps %xmm3, %xmm0
#endif
movq STACK_C, C
movq STACK_LDC, LDC
pxor %xmm1, %xmm1
test M, M
jle .L999
test N, N
jle .L999
#ifdef DOUBLE
ucomisd %xmm1, %xmm0
#else
ucomiss %xmm1, %xmm0
#endif
jne .L201
ALIGN_4
.L101:
movq C, C1
leaq (C, LDC, SIZE), C
movq M, I
sarq $3, I
jle .L103
ALIGN_4
.L102:
#ifdef OPTERON
prefetchw 32 * SIZE(C1)
#endif
MOVSD %xmm0, 0 * SIZE(C1)
MOVSD %xmm0, 1 * SIZE(C1)
MOVSD %xmm0, 2 * SIZE(C1)
MOVSD %xmm0, 3 * SIZE(C1)
MOVSD %xmm0, 4 * SIZE(C1)
MOVSD %xmm0, 5 * SIZE(C1)
MOVSD %xmm0, 6 * SIZE(C1)
MOVSD %xmm0, 7 * SIZE(C1)
addq $8 * SIZE, C1
decq I
jg .L102
ALIGN_4
.L103:
movq M, I
andq $7, I
jle .L105
ALIGN_4
.L104:
MOVSD %xmm0, 0 * SIZE(C1)
addq $SIZE, C1
decq I
jg .L104
ALIGN_4
.L105:
decq N
jg .L101
jmp .L999
ALIGN_3
.L201:
movq C, C1 # c_offset = c
leaq (C, LDC, SIZE), C # c += ldc
movq M, I
sarq $3, I
jle .L203
ALIGN_4
.L202:
#ifdef OPTERON
prefetchw 32 * SIZE(C1)
#endif
MOVSD 0 * SIZE(C1), %xmm8
MOVSD 1 * SIZE(C1), %xmm9
MOVSD 2 * SIZE(C1), %xmm10
MOVSD 3 * SIZE(C1), %xmm11
MOVSD 4 * SIZE(C1), %xmm12
MOVSD 5 * SIZE(C1), %xmm13
MOVSD 6 * SIZE(C1), %xmm14
MOVSD 7 * SIZE(C1), %xmm15
MULSD %xmm0, %xmm8
MULSD %xmm0, %xmm9
MULSD %xmm0, %xmm10
MULSD %xmm0, %xmm11
MULSD %xmm0, %xmm12
MULSD %xmm0, %xmm13
MULSD %xmm0, %xmm14
MULSD %xmm0, %xmm15
MOVSD %xmm8, 0 * SIZE(C1)
MOVSD %xmm9, 1 * SIZE(C1)
MOVSD %xmm10, 2 * SIZE(C1)
MOVSD %xmm11, 3 * SIZE(C1)
MOVSD %xmm12, 4 * SIZE(C1)
MOVSD %xmm13, 5 * SIZE(C1)
MOVSD %xmm14, 6 * SIZE(C1)
MOVSD %xmm15, 7 * SIZE(C1)
addq $8 * SIZE, C1
decq I
jg .L202
ALIGN_4
.L203:
movq M, I
andq $7, I
jle .L205
ALIGN_4
.L204:
MOVSD 0 * SIZE(C1), %xmm8
MULSD %xmm0, %xmm8
MOVSD %xmm8, 0 * SIZE(C1)
addq $SIZE, C1
decq I
jg .L204
ALIGN_4
.L205:
decq N
jg .L201
ALIGN_3
.L999:
xorq %rax, %rax
#ifdef WINDOWS_ABI
movups 0(%rsp), %xmm6
movups 16(%rsp), %xmm7
movups 32(%rsp), %xmm8
movups 48(%rsp), %xmm9
movups 64(%rsp), %xmm10
movups 80(%rsp), %xmm11
movups 96(%rsp), %xmm12
movups 112(%rsp), %xmm13
movups 128(%rsp), %xmm14
movups 144(%rsp), %xmm15
addq $STACKSIZE, %rsp
#endif
ret
EPILOGUE