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qgemm_kernel_2x2.S
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/*********************************************************************/
/* 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(OPTERON) || defined(BARCELONA)
#define PREFETCH prefetch
#define PREFETCHW prefetchw
#else
#define PREFETCH prefetcht0
#define PREFETCHW prefetcht0
#endif
#define PREFETCHSIZE (5 + 4 * 10)
#define STACK 16
#define ARGS 16
#define J 0 + STACK(%esp)
#define KK 4 + STACK(%esp)
#define KKK 8 + STACK(%esp)
#define M 4 + STACK + ARGS(%esp)
#define N 8 + STACK + ARGS(%esp)
#define K 12 + STACK + ARGS(%esp)
#define ALPHA 16 + STACK + ARGS(%esp)
#define A 32 + STACK + ARGS(%esp)
#define ARG_B 36 + STACK + ARGS(%esp)
#define C 40 + STACK + ARGS(%esp)
#define ARG_LDC 44 + STACK + ARGS(%esp)
#define OFFSET 48 + STACK + ARGS(%esp)
#define I %esi
#define B %ebx
#define CO %edi
#define AO %edx
#define BO %ecx
#define LDC %ebp
#define PREFETCH_OFFSET 48
PROLOGUE
subl $ARGS, %esp # Generate Stack Frame
pushl %ebp
pushl %edi
pushl %esi
pushl %ebx
PROFCODE
#if defined(TRMMKERNEL) && !defined(LEFT)
movl OFFSET, %eax
negl %eax
movl %eax, KK
#endif
movl ARG_LDC, LDC
movl ARG_B, B
addl $8 * SIZE, A
addl $8 * SIZE, B
sall $BASE_SHIFT, LDC
movl N, %eax
sarl $1, %eax
movl %eax, J
je .L30
ALIGN_4
.L01:
#if defined(TRMMKERNEL) && defined(LEFT)
movl OFFSET, %eax
movl %eax, KK
#endif
movl A, AO
movl C, CO
lea (, LDC, 2), %eax
addl %eax, C
movl M, I
sarl $1, I
je .L20
ALIGN_4
.L11:
#if !defined(TRMMKERNEL) || \
(defined(TRMMKERNEL) && defined(LEFT) && defined(TRANSA)) || \
(defined(TRMMKERNEL) && !defined(LEFT) && !defined(TRANSA))
movl B, BO
#else
movl KK, %eax
sall $BASE_SHIFT, %eax
leal (AO, %eax, 2), AO
leal (B, %eax, 2), BO
#endif
fldz
fldz
fldz
fldz
#if defined(HAVE_3DNOW)
prefetchw 2 * SIZE(CO)
prefetchw 2 * SIZE(CO, LDC, 1)
#elif defined(HAVE_SSE)
prefetchnta 2 * SIZE(CO)
prefetchnta 2 * SIZE(CO, LDC, 1)
#endif
#ifndef TRMMKERNEL
movl K, %eax
#elif (defined(LEFT) && !defined(TRANSA)) || (!defined(LEFT) && defined(TRANSA))
movl K, %eax
subl KK, %eax
movl %eax, KKK
#else
movl KK, %eax
#ifdef LEFT
addl $2, %eax
#else
addl $2, %eax
#endif
movl %eax, KKK
#endif
sarl $2, %eax
je .L15
ALIGN_4
.L12:
PREFETCH (PREFETCHSIZE + 0) * SIZE(AO)
FLD -8 * SIZE(AO)
FLD -8 * SIZE(BO)
fld %st(1)
fmul %st(1), %st
faddp %st, %st(3)
FLD -7 * SIZE(BO)
fmul %st, %st(2)
FLD -7 * SIZE(AO)
fmul %st, %st(2)
fmulp %st, %st(1)
faddp %st, %st(6)
faddp %st, %st(3)
faddp %st, %st(3)
FLD -6 * SIZE(AO)
FLD -6 * SIZE(BO)
fld %st(1)
fmul %st(1), %st
faddp %st, %st(3)
FLD -5 * SIZE(BO)
fmul %st, %st(2)
FLD -5 * SIZE(AO)
fmul %st, %st(2)
fmulp %st, %st(1)
faddp %st, %st(6)
faddp %st, %st(3)
faddp %st, %st(3)
PREFETCH (PREFETCHSIZE + 4) * SIZE(AO)
FLD -4 * SIZE(AO)
FLD -4 * SIZE(BO)
fld %st(1)
fmul %st(1), %st
faddp %st, %st(3)
FLD -3 * SIZE(BO)
fmul %st, %st(2)
FLD -3 * SIZE(AO)
fmul %st, %st(2)
fmulp %st, %st(1)
faddp %st, %st(6)
faddp %st, %st(3)
faddp %st, %st(3)
FLD -2 * SIZE(AO)
FLD -2 * SIZE(BO)
fld %st(1)
fmul %st(1), %st
faddp %st, %st(3)
FLD -1 * SIZE(BO)
fmul %st, %st(2)
FLD -1 * SIZE(AO)
fmul %st, %st(2)
fmulp %st, %st(1)
faddp %st, %st(6)
faddp %st, %st(3)
faddp %st, %st(3)
addl $8 * SIZE,AO
addl $8 * SIZE,BO
decl %eax
jne .L12
ALIGN_4
.L15:
#ifndef TRMMKERNEL
movl K, %eax
#else
movl KKK, %eax
#endif
and $3, %eax
je .L18
ALIGN_4
.L16:
FLD -8 * SIZE(AO)
FLD -8 * SIZE(BO)
fld %st(1)
fmul %st(1), %st
faddp %st, %st(3)
FLD -7 * SIZE(BO)
fmul %st, %st(2)
FLD -7 * SIZE(AO)
fmul %st, %st(2)
fmulp %st, %st(1)
faddp %st, %st(6)
faddp %st, %st(3)
faddp %st, %st(3)
addl $2 * SIZE,AO
addl $2 * SIZE,BO
decl %eax
jne .L16
ALIGN_4
.L18:
#ifndef TRMMKERNEL
FLD ALPHA
fmul %st, %st(1)
fmul %st, %st(2)
fmul %st, %st(3)
fmulp %st, %st(4)
FLD 0 * SIZE(CO)
faddp %st, %st(1)
FST 0 * SIZE(CO)
FLD 1 * SIZE(CO)
faddp %st, %st(1)
FST 1 * SIZE(CO)
FLD 0 * SIZE(CO, LDC)
faddp %st, %st(1)
FST 0 * SIZE(CO, LDC)
FLD 1 * SIZE(CO, LDC)
faddp %st, %st(1)
FST 1 * SIZE(CO, LDC)
#else
FST 0 * SIZE(CO)
FST 1 * SIZE(CO)
FST 0 * SIZE(CO, LDC)
FST 1 * SIZE(CO, LDC)
#endif
#if (defined(TRMMKERNEL) && defined(LEFT) && defined(TRANSA)) || \
(defined(TRMMKERNEL) && !defined(LEFT) && !defined(TRANSA))
movl K, %eax
subl KKK, %eax
sall $BASE_SHIFT, %eax
leal (AO, %eax, 2), AO
leal (BO, %eax, 2), BO
#endif
#if defined(TRMMKERNEL) && defined(LEFT)
addl $2, KK
#endif
addl $2 * SIZE, CO
decl I
jne .L11
ALIGN_4
.L20:
movl M, %eax
andl $1, %eax
je .L29
ALIGN_4
.L21:
#if !defined(TRMMKERNEL) || \
(defined(TRMMKERNEL) && defined(LEFT) && defined(TRANSA)) || \
(defined(TRMMKERNEL) && !defined(LEFT) && !defined(TRANSA))
movl B, BO
#else
movl KK, %eax
sall $BASE_SHIFT, %eax
leal (AO, %eax, 1), AO
leal ( B, %eax, 2), BO
#endif
fldz
fldz
#ifndef TRMMKERNEL
movl K, %eax
#elif (defined(LEFT) && !defined(TRANSA)) || (!defined(LEFT) && defined(TRANSA))
movl K, %eax
subl KK, %eax
movl %eax, KKK
#else
movl KK, %eax
#ifdef LEFT
addl $1, %eax
#else
addl $2, %eax
#endif
movl %eax, KKK
#endif
sarl $2, %eax
je .L25
ALIGN_4
.L22:
PREFETCH (PREFETCHSIZE + 0) * SIZE(AO)
FLD -8 * SIZE(AO)
FLD -8 * SIZE(BO)
fmul %st(1), %st
faddp %st, %st(2)
FLD -7 * SIZE(BO)
fmulp %st, %st(1)
faddp %st, %st(2)
FLD -7 * SIZE(AO)
FLD -6 * SIZE(BO)
fmul %st(1), %st
faddp %st, %st(2)
FLD -5 * SIZE(BO)
fmulp %st, %st(1)
faddp %st, %st(2)
FLD -6 * SIZE(AO)
FLD -4 * SIZE(BO)
fmul %st(1), %st
faddp %st, %st(2)
FLD -3 * SIZE(BO)
fmulp %st, %st(1)
faddp %st, %st(2)
FLD -5 * SIZE(AO)
FLD -2 * SIZE(BO)
fmul %st(1), %st
faddp %st, %st(2)
FLD -1 * SIZE(BO)
fmulp %st, %st(1)
faddp %st, %st(2)
addl $4 * SIZE,AO
addl $8 * SIZE,BO
decl %eax
jne .L22
ALIGN_4
.L25:
#ifndef TRMMKERNEL
movl K, %eax
#else
movl KKK, %eax
#endif
and $3, %eax
je .L28
ALIGN_4
.L26:
FLD -8 * SIZE(AO)
FLD -8 * SIZE(BO)
fmul %st(1), %st
faddp %st, %st(2)
FLD -7 * SIZE(BO)
fmulp %st, %st(1)
faddp %st, %st(2)
addl $1 * SIZE,AO
addl $2 * SIZE,BO
decl %eax
jne .L26
ALIGN_4
.L28:
#ifndef TRMMKERNEL
FLD ALPHA
fmul %st, %st(1)
fmulp %st, %st(2)
FLD 0 * SIZE(CO)
faddp %st, %st(1)
FST 0 * SIZE(CO)
FLD 0 * SIZE(CO, LDC)
faddp %st, %st(1)
FST 0 * SIZE(CO, LDC)
#else
FST 0 * SIZE(CO)
FST 0 * SIZE(CO, LDC)
#endif
#if (defined(TRMMKERNEL) && defined(LEFT) && defined(TRANSA)) || \
(defined(TRMMKERNEL) && !defined(LEFT) && !defined(TRANSA))
movl K, %eax
subl KKK, %eax
sall $BASE_SHIFT, %eax
leal (AO, %eax, 1), AO
leal (BO, %eax, 2), BO
#endif
#if defined(TRMMKERNEL) && defined(LEFT)
addl $1, KK
#endif
addl $1 * SIZE, CO
ALIGN_4
.L29:
#if defined(TRMMKERNEL) && !defined(LEFT)
addl $2, KK
#endif
movl BO, B
decl J
jne .L01
ALIGN_4
.L30:
movl N, %eax
testl $1, %eax
je .L999
#if defined(TRMMKERNEL) && defined(LEFT)
movl OFFSET, %eax
movl %eax, KK
#endif
movl A, AO
movl C, CO
addl LDC, C
movl M, I
sarl $1, I
je .L40
ALIGN_4
.L31:
#if !defined(TRMMKERNEL) || \
(defined(TRMMKERNEL) && defined(LEFT) && defined(TRANSA)) || \
(defined(TRMMKERNEL) && !defined(LEFT) && !defined(TRANSA))
movl B, BO
#else
movl KK, %eax
sall $BASE_SHIFT, %eax
leal (AO, %eax, 2), AO
leal ( B, %eax, 1), BO
#endif
fldz
fldz
#if defined(HAVE_3DNOW)
prefetchw 2 * SIZE(CO)
#elif defined(HAVE_SSE)
prefetchnta 2 * SIZE(CO)
#endif
#ifndef TRMMKERNEL
movl K, %eax
#elif (defined(LEFT) && !defined(TRANSA)) || (!defined(LEFT) && defined(TRANSA))
movl K, %eax
subl KK, %eax
movl %eax, KKK
#else
movl KK, %eax
#ifdef LEFT
addl $2, %eax
#else
addl $1, %eax
#endif
movl %eax, KKK
#endif
sarl $2, %eax
je .L35
ALIGN_4
.L32:
PREFETCH (PREFETCHSIZE + 0) * SIZE(AO)
FLD -8 * SIZE(BO)
FLD -8 * SIZE(AO)
fmul %st(1), %st
faddp %st, %st(2)
FLD -7 * SIZE(AO)
fmulp %st, %st(1)
faddp %st, %st(2)
FLD -7 * SIZE(BO)
FLD -6 * SIZE(AO)
fmul %st(1), %st
faddp %st, %st(2)
FLD -5 * SIZE(AO)
fmulp %st, %st(1)
faddp %st, %st(2)
FLD -6 * SIZE(BO)
FLD -4 * SIZE(AO)
fmul %st(1), %st
faddp %st, %st(2)
FLD -3 * SIZE(AO)
fmulp %st, %st(1)
faddp %st, %st(2)
FLD -5 * SIZE(BO)
FLD -2 * SIZE(AO)
fmul %st(1), %st
faddp %st, %st(2)
FLD -1 * SIZE(AO)
fmulp %st, %st(1)
faddp %st, %st(2)
addl $8 * SIZE,AO
addl $4 * SIZE,BO
decl %eax
jne .L32
ALIGN_4
.L35:
#ifndef TRMMKERNEL
movl K, %eax
#else
movl KKK, %eax
#endif
and $3, %eax
je .L38
ALIGN_4
.L36:
FLD -8 * SIZE(BO)
FLD -8 * SIZE(AO)
fmul %st(1), %st
faddp %st, %st(2)
FLD -7 * SIZE(AO)
fmulp %st, %st(1)
faddp %st, %st(2)
addl $2 * SIZE,AO
addl $1 * SIZE,BO
decl %eax
jne .L36
ALIGN_4
.L38:
#ifndef TRMMKERNEL
FLD ALPHA
fmul %st, %st(1)
fmulp %st, %st(2)
FLD 0 * SIZE(CO)
faddp %st, %st(1)
FST 0 * SIZE(CO)
FLD 1 * SIZE(CO)
faddp %st, %st(1)
FST 1 * SIZE(CO)
#else
FST 0 * SIZE(CO)
FST 1 * SIZE(CO)
#endif
#if (defined(TRMMKERNEL) && defined(LEFT) && defined(TRANSA)) || \
(defined(TRMMKERNEL) && !defined(LEFT) && !defined(TRANSA))
movl K, %eax
subl KKK, %eax
sall $BASE_SHIFT, %eax
leal (AO, %eax, 2), AO
leal (BO, %eax, 1), BO
#endif
#if defined(TRMMKERNEL) && defined(LEFT)
addl $2, KK
#endif
addl $2 * SIZE, CO
decl I
jne .L31
ALIGN_4
.L40:
movl M, %eax
andl $1, %eax
je .L49
ALIGN_4
.L41:
#if !defined(TRMMKERNEL) || \
(defined(TRMMKERNEL) && defined(LEFT) && defined(TRANSA)) || \
(defined(TRMMKERNEL) && !defined(LEFT) && !defined(TRANSA))
movl B, BO
#else
movl KK, %eax
sall $BASE_SHIFT, %eax
leal (AO, %eax, 1), AO
leal ( B, %eax, 1), BO
#endif
fldz
#ifndef TRMMKERNEL
movl K, %eax
#elif (defined(LEFT) && !defined(TRANSA)) || (!defined(LEFT) && defined(TRANSA))
movl K, %eax
subl KK, %eax
movl %eax, KKK
#else
movl KK, %eax
#ifdef LEFT
addl $1, %eax
#else
addl $1, %eax
#endif
movl %eax, KKK
#endif
sarl $2, %eax
je .L45
ALIGN_4
.L42:
PREFETCH (PREFETCHSIZE + 0) * SIZE(AO)
FLD -8 * SIZE(AO)
FLD -8 * SIZE(BO)
fmulp %st, %st(1)
faddp %st, %st(1)
FLD -7 * SIZE(AO)
FLD -7 * SIZE(BO)
fmulp %st, %st(1)
faddp %st, %st(1)
FLD -6 * SIZE(AO)
FLD -6 * SIZE(BO)
fmulp %st, %st(1)
faddp %st, %st(1)
FLD -5 * SIZE(AO)
FLD -5 * SIZE(BO)
fmulp %st, %st(1)
faddp %st, %st(1)
addl $4 * SIZE,AO
addl $4 * SIZE,BO
decl %eax
jne .L42
ALIGN_4
.L45:
#ifndef TRMMKERNEL
movl K, %eax
#else
movl KKK, %eax
#endif
and $3, %eax
je .L48
ALIGN_4
.L46:
FLD -8 * SIZE(AO)
FLD -8 * SIZE(BO)
fmulp %st, %st(1)
faddp %st, %st(1)
addl $1 * SIZE,AO
addl $1 * SIZE,BO
decl %eax
jne .L46
ALIGN_4
.L48:
#ifndef TRMMKERNEL
FLD ALPHA
fmulp %st, %st(1)
FLD 0 * SIZE(CO)
faddp %st, %st(1)
FST 0 * SIZE(CO)
#else
FST 0 * SIZE(CO)
#endif
#if (defined(TRMMKERNEL) && defined(LEFT) && defined(TRANSA)) || \
(defined(TRMMKERNEL) && !defined(LEFT) && !defined(TRANSA))
movl K, %eax
subl KKK, %eax
sall $BASE_SHIFT, %eax
leal (AO, %eax, 1), AO
leal (BO, %eax, 1), BO
#endif
#if defined(TRMMKERNEL) && defined(LEFT)
addl $1, KK
#endif
addl $1 * SIZE, CO
ALIGN_4
.L49:
#if defined(TRMMKERNEL) && !defined(LEFT)
addl $1, KK
#endif
movl BO, B
ALIGN_4
.L999:
popl %ebx
popl %esi
popl %edi
popl %ebp
addl $ARGS, %esp
ret
EPILOGUE