/*********************************************************************/
/* 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_ALPHA_I 40 + STACKSIZE(%rsp)
#define STACK_C 80 + STACKSIZE(%rsp)
#define STACK_LDC 88 + 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
movsd STACK_ALPHA_I, %xmm1
#endif
pxor %xmm15, %xmm15
movq STACK_C, C
movq STACK_LDC, LDC
testq M, M
jle .L999
testq N, N
jle .L999
salq $ZBASE_SHIFT, LDC
#ifdef DOUBLE
ucomisd %xmm15, %xmm0
jne .L71
ucomisd %xmm15, %xmm1
jne .L71
#else
ucomiss %xmm15, %xmm0
jne .L71
ucomiss %xmm15, %xmm1
jne .L71
#endif
ALIGN_2
.L53:
movq C, C1 # c_offset1 = c_offset
addq LDC, C # c_offset += ldc
movq M, I
sarq $2, I
jle .L56
ALIGN_2
.L57:
#ifdef OPTERON
prefetchw 64 * SIZE(C1)
#endif
MOVSD %xmm0, 0 * SIZE(C1) # c_offset1
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 # c_offset1 += 8
decq I # i--
jg .L57
ALIGN_2
.L56:
movq M, I
andq $3, I
jle .L62
ALIGN_2
.L63:
MOVSD %xmm0, 0 * SIZE(C1)
MOVSD %xmm0, 1 * SIZE(C1)
addq $2 * SIZE,C1
decq I
jg .L63
ALIGN_2
.L62:
decq N # j --
jg .L53
jmp .L999
ALIGN_3
.L71:
movq C, C1
addq LDC, C # c_offset += ldc
movq M, I
sarq $1, I
jle .L84
ALIGN_3
.L85:
#ifdef OPTERON
prefetchw 16 * SIZE(C1)
#endif
MOVSD 0 * SIZE(C1), %xmm2
MOVSD 1 * SIZE(C1), %xmm3
MOVSD 0 * SIZE(C1), %xmm4
MOVSD 1 * SIZE(C1), %xmm5
MOVSD 2 * SIZE(C1), %xmm6
MOVSD 3 * SIZE(C1), %xmm7
MOVSD 2 * SIZE(C1), %xmm8
MOVSD 3 * SIZE(C1), %xmm9
MULSD %xmm0, %xmm2
MULSD %xmm1, %xmm3
MULSD %xmm1, %xmm4
MULSD %xmm0, %xmm5
MULSD %xmm0, %xmm6
MULSD %xmm1, %xmm7
MULSD %xmm1, %xmm8
MULSD %xmm0, %xmm9
SUBSD %xmm3, %xmm2
ADDPD %xmm5, %xmm4
SUBSD %xmm7, %xmm6
ADDPD %xmm9, %xmm8
MOVSD %xmm2, 0 * SIZE(C1)
MOVSD %xmm4, 1 * SIZE(C1)
MOVSD %xmm6, 2 * SIZE(C1)
MOVSD %xmm8, 3 * SIZE(C1)
addq $4 * SIZE, C1
decq I
jg .L85
ALIGN_3
.L84:
testq $1, M
jle .L74
ALIGN_3
.L75:
prefetchnta 80 * SIZE(C1)
MOVSD 0 * SIZE(C1), %xmm2
MULSD %xmm0, %xmm2
MOVSD 1 * SIZE(C1), %xmm3
MULSD %xmm1, %xmm3
MOVSD 0 * SIZE(C1), %xmm4
MULSD %xmm1, %xmm4
MOVSD 1 * SIZE(C1), %xmm5
MULSD %xmm0, %xmm5
SUBSD %xmm3, %xmm2
ADDPD %xmm5, %xmm4
MOVSD %xmm2, 0 * SIZE(C1)
MOVSD %xmm4, 1 * SIZE(C1)
ALIGN_2
.L74:
decq N
jg .L71
ALIGN_2
.L999:
#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