/*********************************************************************/
/* 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"
#if defined(PENTIUM4) || defined(GENERIC)
#define PREFETCHSIZE 16
#define PREFETCH prefetcht0
#define PREFETCHW prefetcht0
#endif
#ifdef NEHALEM
#define PREFETCHSIZE 12
#define PREFETCH prefetcht0
#define PREFETCHW prefetcht0
#define MOVUPS_A movups
#endif
#if defined(CORE2) || defined(PENRYN) || defined(DUNNINGTON)
#define PREFETCHSIZE 16
#define PREFETCH prefetcht0
#define PREFETCHW prefetcht0
#endif
#ifdef OPTERON
#define PREFETCHSIZE 16
#define PREFETCH prefetch
#define PREFETCHW prefetchw
#endif
#ifdef MOVUPS_A
#define MOVUPS_A1(OFF, ADDR, REGS) MOVUPS_A OFF(ADDR), REGS
#define MOVUPS_A2(OFF, ADDR, BASE, SCALE, REGS) MOVUPS_A OFF(ADDR, BASE, SCALE), REGS
#else
#define MOVUPS_A1(OFF, ADDR, REGS) movsd OFF(ADDR), REGS; movhps OFF + 8(ADDR), REGS
#define MOVUPS_A2(OFF, ADDR, BASE, SCALE, REGS) movsd OFF(ADDR, BASE, SCALE), REGS; movhps OFF + 8(ADDR, BASE, SCALE), REGS
#endif
#ifndef WINDOWS_ABI
#define N ARG1 /* rsi */
#define M ARG2 /* rdi */
#define A ARG3 /* rdx */
#define LDA ARG4 /* rcx */
#define B ARG5 /* r8 */
#define AO1 %r9
#define AO2 %r10
#define LDA3 %r11
#define M8 %r12
#else
#define N ARG1 /* rdx */
#define M ARG2 /* rcx */
#define A ARG3 /* r8 */
#define LDA ARG4 /* r9 */
#define OLD_B 40 + 40(%rsp)
#define B %r12
#define AO1 %rsi
#define AO2 %rdi
#define LDA3 %r10
#define M8 %r11
#endif
#define I %rax
#define B0 %rbp
#define B3 %r13
PROLOGUE
PROFCODE
#ifdef WINDOWS_ABI
pushq %rdi
pushq %rsi
#endif
pushq %r12
pushq %r13
pushq %rbp
#ifdef WINDOWS_ABI
movq OLD_B, B
#endif
subq $-16 * SIZE, B
movq M, B3
andq $-2, B3
imulq N, B3
leaq (B, B3, SIZE), B3
leaq (,LDA, SIZE), LDA
leaq (LDA, LDA, 2), LDA3
leaq (, N, SIZE), M8
cmpq $2, N
jl .L40
ALIGN_4
.L31:
subq $2, N
movq A, AO1
leaq (A, LDA), AO2
leaq (A, LDA, 2), A
movq B, B0
addq $4 * SIZE, B
movq M, I
sarq $3, I
jle .L34
ALIGN_4
.L33:
#ifdef PREFETCH
PREFETCH PREFETCHSIZE * 2 * SIZE(AO1)
#endif
MOVUPS_A1(0 * SIZE, AO1, %xmm0)
MOVUPS_A1(2 * SIZE, AO1, %xmm1)
MOVUPS_A1(0 * SIZE, AO2, %xmm2)
MOVUPS_A1(2 * SIZE, AO2, %xmm3)
#ifdef PREFETCHW
PREFETCHW (PREFETCHSIZE * 4 + 0) * SIZE(B)
#endif
movaps %xmm0, -16 * SIZE(B0)
movaps %xmm2, -14 * SIZE(B0)
movaps %xmm1, -16 * SIZE(B0, M8, 2)
movaps %xmm3, -14 * SIZE(B0, M8, 2)
leaq (B0, M8, 4), B0
#ifdef PREFETCH
PREFETCH PREFETCHSIZE * 2 * SIZE(AO2)
#endif
MOVUPS_A1(4 * SIZE, AO1, %xmm0)
MOVUPS_A1(6 * SIZE, AO1, %xmm1)
MOVUPS_A1(4 * SIZE, AO2, %xmm2)
MOVUPS_A1(6 * SIZE, AO2, %xmm3)
movaps %xmm0, -16 * SIZE(B0)
movaps %xmm2, -14 * SIZE(B0)
movaps %xmm1, -16 * SIZE(B0, M8, 2)
movaps %xmm3, -14 * SIZE(B0, M8, 2)
leaq (B0, M8, 4), B0
addq $8 * SIZE, AO1
addq $8 * SIZE, AO2
decq I
jg .L33
ALIGN_4
.L34:
testq $4, M
jle .L36
MOVUPS_A1(0 * SIZE, AO1, %xmm0)
MOVUPS_A1(2 * SIZE, AO1, %xmm1)
MOVUPS_A1(0 * SIZE, AO2, %xmm2)
MOVUPS_A1(2 * SIZE, AO2, %xmm3)
movaps %xmm0, -16 * SIZE(B0)
movaps %xmm2, -14 * SIZE(B0)
movaps %xmm1, -16 * SIZE(B0, M8, 2)
movaps %xmm3, -14 * SIZE(B0, M8, 2)
addq $4 * SIZE, AO1
addq $4 * SIZE, AO2
leaq (B0, M8, 4), B0
ALIGN_4
.L36:
testq $2, M
jle .L38
MOVUPS_A1(0 * SIZE, AO1, %xmm0)
MOVUPS_A1(0 * SIZE, AO2, %xmm1)
movaps %xmm0, -16 * SIZE(B0)
movaps %xmm1, -14 * SIZE(B0)
addq $2 * SIZE, AO1
addq $2 * SIZE, AO2
leaq (B0, M8, 2), B0
ALIGN_4
.L38:
testq $1, M
jle .L39
movsd 0 * SIZE(AO1), %xmm0
movhpd 0 * SIZE(AO2), %xmm0
movaps %xmm0, -16 * SIZE(B3)
subq $-2 * SIZE, B3
ALIGN_4
.L39:
cmpq $2, N
jge .L31
ALIGN_4
.L40:
cmpq $1, N
jl .L999
movq A, AO1
movq B, B0
movq M, I
sarq $3, I
jle .L44
ALIGN_4
.L43:
#ifdef PREFETCH
PREFETCH PREFETCHSIZE * 4 * SIZE(AO1)
#endif
MOVUPS_A1(0 * SIZE, AO1, %xmm0)
MOVUPS_A1(2 * SIZE, AO1, %xmm1)
MOVUPS_A1(4 * SIZE, AO1, %xmm2)
MOVUPS_A1(6 * SIZE, AO1, %xmm3)
#ifdef PREFETCHW
PREFETCHW (PREFETCHSIZE * 4 + 0) * SIZE(B)
#endif
addq $8 * SIZE, AO1
movaps %xmm0, -16 * SIZE(B0)
movaps %xmm1, -16 * SIZE(B0, M8, 2)
leaq (B0, M8, 4), B0
movaps %xmm2, -16 * SIZE(B0)
movaps %xmm3, -16 * SIZE(B0, M8, 2)
leaq (B0, M8, 4), B0
decq I
jg .L43
ALIGN_4
.L44:
testq $4, M
jle .L45
MOVUPS_A1(0 * SIZE, AO1, %xmm0)
MOVUPS_A1(2 * SIZE, AO1, %xmm1)
addq $4 * SIZE, AO1
movaps %xmm0, -16 * SIZE(B0)
movaps %xmm1, -16 * SIZE(B0, M8, 2)
leaq (B0, M8, 4), B0
ALIGN_4
.L45:
testq $2, M
jle .L46
MOVUPS_A1(0 * SIZE, AO1, %xmm0)
movaps %xmm0, -16 * SIZE(B0)
addq $2 * SIZE, AO1
ALIGN_4
.L46:
testq $1, M
jle .L999
movsd 0 * SIZE(AO1), %xmm0
movlpd %xmm0, -16 * SIZE(B3)
ALIGN_4
.L999:
popq %rbp
popq %r13
popq %r12
#ifdef WINDOWS_ABI
popq %rsi
popq %rdi
#endif
ret
EPILOGUE