/*********************************************************************/
/* 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"
#ifdef NEHALEM
#define PREFETCHSIZE 16
#define PREFETCH prefetcht0
#define PREFETCHW prefetcht0
#endif
#ifndef MOVAPS
#define MOVAPS movaps
#endif
#ifndef WINDOWS_ABI
#define M ARG1 /* rdi */
#define N ARG2 /* rsi */
#define A ARG3 /* rdx */
#define LDA ARG4 /* rcx */
#define B ARG5 /* r8 */
#define I %r9
#else
#define STACKSIZE 256
#define M ARG1 /* rcx */
#define N ARG2 /* rdx */
#define A ARG3 /* r8 */
#define LDA ARG4 /* r9 */
#define OLD_B 40 + 32 + STACKSIZE(%rsp)
#define B %r14
#define I %r15
#endif
#define J %r10
#define AO1 %r11
#define AO2 %r12
#define MM %r13
PROLOGUE
PROFCODE
#ifdef WINDOWS_ABI
pushq %r15
pushq %r14
#endif
pushq %r13
pushq %r12
#ifdef WINDOWS_ABI
subq $STACKSIZE, %rsp
movups %xmm6, 0(%rsp)
movq OLD_B, B
#endif
leaq (,LDA, SIZE), LDA
subq $-16 * SIZE, B
movq M, MM
leaq -1(M), %rax
testq $SIZE, A
cmovne %rax, MM
testq $SIZE, LDA
jne .L50
movq N, J
sarq $1, J
jle .L30
ALIGN_4
.L21:
movq A, AO1
leaq (A, LDA), AO2
leaq (A, LDA, 2), A
testq $SIZE, A
je .L22
movsd 0 * SIZE(AO1), %xmm0
movsd 0 * SIZE(AO2), %xmm1
unpcklpd %xmm1, %xmm0
movaps %xmm0, -16 * SIZE(B)
addq $1 * SIZE, AO1
addq $1 * SIZE, AO2
subq $-2 * SIZE, B
ALIGN_3
.L22:
movq MM, I
sarq $3, I
jle .L24
ALIGN_4
.L23:
#ifdef PREFETCH
PREFETCH PREFETCHSIZE * 2 * SIZE(AO1)
#endif
MOVAPS 0 * SIZE(AO1), %xmm0
MOVAPS 0 * SIZE(AO2), %xmm1
MOVAPS 2 * SIZE(AO1), %xmm2
MOVAPS 2 * SIZE(AO2), %xmm3
movaps %xmm0, %xmm4
unpcklpd %xmm1, %xmm0
movaps %xmm2, %xmm6
unpcklpd %xmm3, %xmm2
unpckhpd %xmm1, %xmm4
unpckhpd %xmm3, %xmm6
#ifdef PREFETCHW
PREFETCHW (PREFETCHSIZE * 4 + 0) * SIZE(B)
#endif
movaps %xmm0, -16 * SIZE(B)
movaps %xmm4, -14 * SIZE(B)
movaps %xmm2, -12 * SIZE(B)
movaps %xmm6, -10 * SIZE(B)
#ifdef PREFETCH
PREFETCH PREFETCHSIZE * 2 * SIZE(AO2)
#endif
MOVAPS 4 * SIZE(AO1), %xmm0
MOVAPS 4 * SIZE(AO2), %xmm1
MOVAPS 6 * SIZE(AO1), %xmm2
MOVAPS 6 * SIZE(AO2), %xmm3
movaps %xmm0, %xmm4
unpcklpd %xmm1, %xmm0
unpckhpd %xmm1, %xmm4
movaps %xmm2, %xmm6
unpcklpd %xmm3, %xmm2
unpckhpd %xmm3, %xmm6
#ifdef PREFETCHW
PREFETCHW (PREFETCHSIZE * 4 + 8) * SIZE(B)
#endif
movaps %xmm0, -8 * SIZE(B)
movaps %xmm4, -6 * SIZE(B)
movaps %xmm2, -4 * SIZE(B)
movaps %xmm6, -2 * SIZE(B)
addq $8 * SIZE, AO1
addq $8 * SIZE, AO2
subq $-16 * SIZE, B
decq I
jg .L23
ALIGN_4
.L24:
testq $4, MM
jle .L26
MOVAPS 0 * SIZE(AO1), %xmm0
MOVAPS 0 * SIZE(AO2), %xmm1
MOVAPS 2 * SIZE(AO1), %xmm2
MOVAPS 2 * SIZE(AO2), %xmm3
movaps %xmm0, %xmm4
unpcklpd %xmm1, %xmm0
unpckhpd %xmm1, %xmm4
movaps %xmm2, %xmm6
unpcklpd %xmm3, %xmm2
unpckhpd %xmm3, %xmm6
movaps %xmm0, -16 * SIZE(B)
movaps %xmm4, -14 * SIZE(B)
movaps %xmm2, -12 * SIZE(B)
movaps %xmm6, -10 * SIZE(B)
addq $4 * SIZE, AO1
addq $4 * SIZE, AO2
subq $-8 * SIZE, B
ALIGN_4
.L26:
testq $2, MM
jle .L28
MOVAPS 0 * SIZE(AO1), %xmm0
MOVAPS 0 * SIZE(AO2), %xmm1
movaps %xmm0, %xmm2
unpcklpd %xmm1, %xmm0
unpckhpd %xmm1, %xmm2
movaps %xmm0, -16 * SIZE(B)
movaps %xmm2, -14 * SIZE(B)
addq $2 * SIZE, AO1
addq $2 * SIZE, AO2
subq $-4 * SIZE, B
ALIGN_4
.L28:
testq $1, MM
jle .L29
movsd 0 * SIZE(AO1), %xmm0
movsd 0 * SIZE(AO2), %xmm1
unpcklpd %xmm1, %xmm0
movaps %xmm0, -16 * SIZE(B)
subq $-2 * SIZE, B
ALIGN_4
.L29:
decq J
jg .L21
ALIGN_4
.L30:
testq $1, N
jle .L999
.L30x:
movq A, AO1
testq $SIZE, A
jne .L35
movq M, I
sarq $3, I
jle .L32
ALIGN_4
.L31:
#ifdef PREFETCH
PREFETCH PREFETCHSIZE * 4 * SIZE(AO1)
#endif
MOVAPS 0 * SIZE(AO1), %xmm0
MOVAPS 2 * SIZE(AO1), %xmm1
MOVAPS 4 * SIZE(AO1), %xmm2
MOVAPS 6 * SIZE(AO1), %xmm3
#ifdef PREFETCHW
PREFETCHW (PREFETCHSIZE * 4 + 0) * SIZE(B)
#endif
movaps %xmm0, -16 * SIZE(B)
movaps %xmm1, -14 * SIZE(B)
movaps %xmm2, -12 * SIZE(B)
movaps %xmm3, -10 * SIZE(B)
addq $8 * SIZE, AO1
addq $8 * SIZE, B
decq I
jg .L31
ALIGN_4
.L32:
testq $4, M
jle .L33
MOVAPS 0 * SIZE(AO1), %xmm0
MOVAPS 2 * SIZE(AO1), %xmm1
movaps %xmm0, -16 * SIZE(B)
movaps %xmm1, -14 * SIZE(B)
addq $4 * SIZE, AO1
subq $-4 * SIZE, B
ALIGN_4
.L33:
testq $2, M
jle .L34
MOVAPS 0 * SIZE(AO1), %xmm0
movaps %xmm0, -16 * SIZE(B)
addq $2 * SIZE, AO1
subq $-2 * SIZE, B
ALIGN_4
.L34:
testq $1, M
jle .L999
movsd 0 * SIZE(AO1), %xmm0
movlpd %xmm0, -16 * SIZE(B)
jmp .L999
ALIGN_4
.L35:
movaps -1 * SIZE(AO1), %xmm0
movq M, I
sarq $3, I
jle .L36
ALIGN_4
.L36:
#ifdef PREFETCH
PREFETCH PREFETCHSIZE * 4 * SIZE(AO1)
#endif
MOVAPS 1 * SIZE(AO1), %xmm1
MOVAPS 3 * SIZE(AO1), %xmm2
MOVAPS 5 * SIZE(AO1), %xmm3
MOVAPS 7 * SIZE(AO1), %xmm4
shufpd $1, %xmm1, %xmm0
shufpd $1, %xmm2, %xmm1
shufpd $1, %xmm3, %xmm2
shufpd $1, %xmm4, %xmm3
#ifdef PREFETCHW
PREFETCHW (PREFETCHSIZE * 4 + 0) * SIZE(B)
#endif
movaps %xmm0, -16 * SIZE(B)
movaps %xmm1, -14 * SIZE(B)
movaps %xmm2, -12 * SIZE(B)
movaps %xmm3, -10 * SIZE(B)
movaps %xmm4, %xmm0
addq $8 * SIZE, AO1
subq $-8 * SIZE, B
decq I
jg .L36
ALIGN_4
.L37:
testq $4, M
jle .L38
MOVAPS 1 * SIZE(AO1), %xmm1
MOVAPS 3 * SIZE(AO1), %xmm2
shufpd $1, %xmm1, %xmm0
shufpd $1, %xmm2, %xmm1
movaps %xmm0, -16 * SIZE(B)
movaps %xmm1, -14 * SIZE(B)
movaps %xmm2, %xmm0
addq $4 * SIZE, AO1
addq $4 * SIZE, B
ALIGN_4
.L38:
testq $2, M
jle .L39
MOVAPS 1 * SIZE(AO1), %xmm1
shufpd $1, %xmm1, %xmm0
movaps %xmm0, -16 * SIZE(B)
movaps %xmm1, %xmm0
addq $2 * SIZE, AO1
subq $-2 * SIZE, B
ALIGN_4
.L39:
testq $1, M
jle .L999
movhpd %xmm0, -16 * SIZE(B)
jmp .L999
ALIGN_4
.L50:
movq N, J
sarq $1, J
jle .L30
ALIGN_4
.L61:
movq A, AO1
leaq (A, LDA), AO2
leaq (A, LDA, 2), A
testq $SIZE, A
je .L62
movsd 0 * SIZE(AO1), %xmm0
movsd 0 * SIZE(AO2), %xmm1
unpcklpd %xmm1, %xmm0
movaps %xmm0, -16 * SIZE(B)
addq $1 * SIZE, AO1
addq $1 * SIZE, AO2
subq $-2 * SIZE, B
ALIGN_3
.L62:
MOVAPS -1 * SIZE(AO2), %xmm5
movq MM, I
sarq $3, I
jle .L64
ALIGN_4
.L63:
#ifdef PREFETCH
PREFETCH PREFETCHSIZE * 2 * SIZE(AO1)
#endif
MOVAPS 0 * SIZE(AO1), %xmm0
MOVAPS 1 * SIZE(AO2), %xmm1
MOVAPS 2 * SIZE(AO1), %xmm2
MOVAPS 3 * SIZE(AO2), %xmm3
movsd %xmm0, %xmm5
shufpd $1, %xmm1, %xmm0
movsd %xmm2, %xmm1
shufpd $1, %xmm3, %xmm2
#ifdef PREFETCHW
PREFETCHW (PREFETCHSIZE * 4 + 0) * SIZE(B)
#endif
movaps %xmm5, -16 * SIZE(B)
movaps %xmm0, -14 * SIZE(B)
movaps %xmm1, -12 * SIZE(B)
movaps %xmm2, -10 * SIZE(B)
#ifdef PREFETCH
PREFETCH PREFETCHSIZE * 2 * SIZE(AO2)
#endif
MOVAPS 4 * SIZE(AO1), %xmm0
MOVAPS 5 * SIZE(AO2), %xmm1
MOVAPS 6 * SIZE(AO1), %xmm2
MOVAPS 7 * SIZE(AO2), %xmm5
movsd %xmm0, %xmm3
shufpd $1, %xmm1, %xmm0
movsd %xmm2, %xmm1
shufpd $1, %xmm5, %xmm2
#ifdef PREFETCHW
PREFETCHW (PREFETCHSIZE * 4 + 0) * SIZE(B)
#endif
movaps %xmm3, -8 * SIZE(B)
movaps %xmm0, -6 * SIZE(B)
movaps %xmm1, -4 * SIZE(B)
movaps %xmm2, -2 * SIZE(B)
addq $8 * SIZE, AO1
addq $8 * SIZE, AO2
subq $-16 * SIZE, B
decq I
jg .L63
ALIGN_4
.L64:
testq $4, MM
jle .L66
MOVAPS 0 * SIZE(AO1), %xmm0
MOVAPS 1 * SIZE(AO2), %xmm1
MOVAPS 2 * SIZE(AO1), %xmm2
MOVAPS 3 * SIZE(AO2), %xmm3
movsd %xmm0, %xmm5
shufpd $1, %xmm1, %xmm0
movsd %xmm2, %xmm1
shufpd $1, %xmm3, %xmm2
movaps %xmm5, -16 * SIZE(B)
movaps %xmm0, -14 * SIZE(B)
movaps %xmm1, -12 * SIZE(B)
movaps %xmm2, -10 * SIZE(B)
movaps %xmm3, %xmm5
addq $4 * SIZE, AO1
addq $4 * SIZE, AO2
subq $-8 * SIZE, B
ALIGN_4
.L66:
testq $2, MM
jle .L68
MOVAPS 0 * SIZE(AO1), %xmm0
MOVAPS 1 * SIZE(AO2), %xmm1
movsd %xmm0, %xmm5
shufpd $1, %xmm1, %xmm0
movaps %xmm5, -16 * SIZE(B)
movaps %xmm0, -14 * SIZE(B)
addq $2 * SIZE, AO1
addq $2 * SIZE, AO2
subq $-4 * SIZE, B
ALIGN_4
.L68:
testq $1, MM
jle .L69
movsd 0 * SIZE(AO1), %xmm0
movsd 0 * SIZE(AO2), %xmm1
unpcklpd %xmm1, %xmm0
movaps %xmm0, -16 * SIZE(B)
subq $-2 * SIZE, B
ALIGN_4
.L69:
decq J
jg .L61
testq $1, N
jne .L30
ALIGN_4
.L999:
#ifdef WINDOWS_ABI
movups 0(%rsp), %xmm6
addq $STACKSIZE, %rsp
#endif
popq %r12
popq %r13
#ifdef WINDOWS_ABI
popq %r14
popq %r15
#endif
ret
EPILOGUE