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amax_sse2.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"
#define STACK 16
#define ARGS 0
#define STACK_M 4 + STACK + ARGS(%esp)
#define STACK_X 8 + STACK + ARGS(%esp)
#define STACK_INCX 12 + STACK + ARGS(%esp)
#define M %ebx
#define X %ecx
#define INCX %edx
#define I %eax
#ifdef USE_MIN
#define maxpd minpd
#define maxsd minsd
#endif
#include "l1param.h"
PROLOGUE
pushl %ebp
pushl %edi
pushl %esi
pushl %ebx
PROFCODE
#if defined(F_INTERFACE_GFORT) || defined(F_INTERFACE_G95)
EMMS
#endif
movl STACK_M, M
movl STACK_X, X
movl STACK_INCX, INCX
xorps %xmm0, %xmm0
leal (, INCX, SIZE), INCX
testl M, M
jle .L999
#ifdef USE_ABS
pcmpeqb %xmm3, %xmm3
psrlq $1, %xmm3
#endif
movsd (X), %xmm0
addl INCX, X
#ifdef USE_ABS
andps %xmm3, %xmm0
#endif
unpcklpd %xmm0, %xmm0
movaps %xmm0, %xmm1
decl M
jle .L999
cmpl $SIZE, INCX
jne .L40
subl $-16 * SIZE, X
testl $SIZE, X
je .L05
movsd -16 * SIZE(X), %xmm4
#ifdef USE_ABS
andps %xmm3, %xmm4
#endif
unpcklpd %xmm4, %xmm4
maxpd %xmm4, %xmm0
addl $SIZE, X
decl M
jle .L998
ALIGN_3
.L05:
movl M, I
sarl $4, I
jle .L15
movaps -16 * SIZE(X), %xmm4
movaps -14 * SIZE(X), %xmm5
movaps -12 * SIZE(X), %xmm6
movaps -10 * SIZE(X), %xmm7
decl I
jle .L12
ALIGN_4
.L11:
#ifdef PREFETCH
PREFETCH (PREFETCHSIZE + 0) - PREOFFSET(X)
#endif
#ifdef USE_ABS
andps %xmm3, %xmm4
#endif
maxpd %xmm4, %xmm0
movaps -8 * SIZE(X), %xmm4
#ifdef USE_ABS
andps %xmm3, %xmm5
#endif
maxpd %xmm5, %xmm1
movaps -6 * SIZE(X), %xmm5
#ifdef USE_ABS
andps %xmm3, %xmm6
#endif
maxpd %xmm6, %xmm0
movaps -4 * SIZE(X), %xmm6
#ifdef USE_ABS
andps %xmm3, %xmm7
#endif
maxpd %xmm7, %xmm1
movaps -2 * SIZE(X), %xmm7
#if defined(PREFETCH) && !defined(FETCH128)
PREFETCH (PREFETCHSIZE + 64) - PREOFFSET(X)
#endif
#ifdef USE_ABS
andps %xmm3, %xmm4
#endif
maxpd %xmm4, %xmm0
movaps 0 * SIZE(X), %xmm4
#ifdef USE_ABS
andps %xmm3, %xmm5
#endif
maxpd %xmm5, %xmm1
movaps 2 * SIZE(X), %xmm5
#ifdef USE_ABS
andps %xmm3, %xmm6
#endif
maxpd %xmm6, %xmm0
movaps 4 * SIZE(X), %xmm6
#ifdef USE_ABS
andps %xmm3, %xmm7
#endif
maxpd %xmm7, %xmm1
movaps 6 * SIZE(X), %xmm7
subl $-16 * SIZE, X
decl I
jg .L11
ALIGN_4
.L12:
#ifdef USE_ABS
andps %xmm3, %xmm4
#endif
maxpd %xmm4, %xmm0
movaps -8 * SIZE(X), %xmm4
#ifdef USE_ABS
andps %xmm3, %xmm5
#endif
maxpd %xmm5, %xmm1
movaps -6 * SIZE(X), %xmm5
#ifdef USE_ABS
andps %xmm3, %xmm6
#endif
maxpd %xmm6, %xmm0
movaps -4 * SIZE(X), %xmm6
#ifdef USE_ABS
andps %xmm3, %xmm7
#endif
maxpd %xmm7, %xmm1
movaps -2 * SIZE(X), %xmm7
#ifdef USE_ABS
andps %xmm3, %xmm4
#endif
maxpd %xmm4, %xmm0
#ifdef USE_ABS
andps %xmm3, %xmm5
#endif
maxpd %xmm5, %xmm1
#ifdef USE_ABS
andps %xmm3, %xmm6
#endif
maxpd %xmm6, %xmm0
#ifdef USE_ABS
andps %xmm3, %xmm7
#endif
maxpd %xmm7, %xmm1
subl $-16 * SIZE, X
ALIGN_4
.L15:
testl $8, M
jle .L16
movaps -16 * SIZE(X), %xmm4
#ifdef USE_ABS
andps %xmm3, %xmm4
#endif
maxpd %xmm4, %xmm0
movaps -14 * SIZE(X), %xmm5
#ifdef USE_ABS
andps %xmm3, %xmm5
#endif
maxpd %xmm5, %xmm1
movaps -12 * SIZE(X), %xmm6
#ifdef USE_ABS
andps %xmm3, %xmm6
#endif
maxpd %xmm6, %xmm0
movaps -10 * SIZE(X), %xmm7
#ifdef USE_ABS
andps %xmm3, %xmm7
#endif
maxpd %xmm7, %xmm1
addl $8 * SIZE, X
ALIGN_3
.L16:
testl $4, M
jle .L17
movaps -16 * SIZE(X), %xmm4
#ifdef USE_ABS
andps %xmm3, %xmm4
#endif
maxpd %xmm4, %xmm0
movaps -14 * SIZE(X), %xmm5
#ifdef USE_ABS
andps %xmm3, %xmm5
#endif
maxpd %xmm5, %xmm1
addl $4 * SIZE, X
ALIGN_3
.L17:
testl $2, M
jle .L18
movaps -16 * SIZE(X), %xmm4
#ifdef USE_ABS
andps %xmm3, %xmm4
#endif
maxpd %xmm4, %xmm0
addl $2 * SIZE, X
ALIGN_3
.L18:
testl $1, M
jle .L998
movsd -16 * SIZE(X), %xmm4
unpcklpd %xmm4, %xmm4
#ifdef USE_ABS
andps %xmm3, %xmm4
#endif
maxpd %xmm4, %xmm1
jmp .L998
ALIGN_3
.L40:
movl M, I
sarl $4, I
jle .L45
ALIGN_4
.L41:
#ifdef PREFETCH
PREFETCH (PREFETCHSIZE + 0) - PREOFFSET(X)
#endif
movsd (X), %xmm4
addl INCX, X
movhps (X), %xmm4
addl INCX, X
#ifdef USE_ABS
andps %xmm3, %xmm4
#endif
maxpd %xmm4, %xmm0
movsd (X), %xmm5
addl INCX, X
movhps (X), %xmm5
addl INCX, X
#ifdef USE_ABS
andps %xmm3, %xmm5
#endif
maxpd %xmm5, %xmm1
movsd (X), %xmm6
addl INCX, X
movhps (X), %xmm6
addl INCX, X
#ifdef USE_ABS
andps %xmm3, %xmm6
#endif
maxpd %xmm6, %xmm0
movsd (X), %xmm7
addl INCX, X
movhps (X), %xmm7
addl INCX, X
#ifdef USE_ABS
andps %xmm3, %xmm7
#endif
maxpd %xmm7, %xmm1
#if defined(PREFETCH) && !defined(FETCH128)
PREFETCH (PREFETCHSIZE + 64) - PREOFFSET(X)
#endif
movsd (X), %xmm4
addl INCX, X
movhps (X), %xmm4
addl INCX, X
#ifdef USE_ABS
andps %xmm3, %xmm4
#endif
maxpd %xmm4, %xmm0
movsd (X), %xmm5
addl INCX, X
movhps (X), %xmm5
addl INCX, X
#ifdef USE_ABS
andps %xmm3, %xmm5
#endif
maxpd %xmm5, %xmm1
movsd (X), %xmm6
addl INCX, X
movhps (X), %xmm6
addl INCX, X
#ifdef USE_ABS
andps %xmm3, %xmm6
#endif
maxpd %xmm6, %xmm0
movsd (X), %xmm7
addl INCX, X
movhps (X), %xmm7
addl INCX, X
#ifdef USE_ABS
andps %xmm3, %xmm7
#endif
maxpd %xmm7, %xmm1
decl I
jg .L41
ALIGN_4
.L45:
andl $15, M
jle .L998
testl $8, M
je .L46
movsd (X), %xmm4
addl INCX, X
movhps (X), %xmm4
addl INCX, X
#ifdef USE_ABS
andps %xmm3, %xmm4
#endif
maxpd %xmm4, %xmm0
movsd (X), %xmm5
addl INCX, X
movhps (X), %xmm5
addl INCX, X
#ifdef USE_ABS
andps %xmm3, %xmm5
#endif
maxpd %xmm5, %xmm1
movsd (X), %xmm6
addl INCX, X
movhps (X), %xmm6
addl INCX, X
#ifdef USE_ABS
andps %xmm3, %xmm6
#endif
maxpd %xmm6, %xmm0
movsd (X), %xmm7
addl INCX, X
movhps (X), %xmm7
addl INCX, X
#ifdef USE_ABS
andps %xmm3, %xmm7
#endif
maxpd %xmm7, %xmm1
ALIGN_3
.L46:
testl $4, M
je .L47
movsd (X), %xmm4
addl INCX, X
movhps (X), %xmm4
addl INCX, X
#ifdef USE_ABS
andps %xmm3, %xmm4
#endif
maxpd %xmm4, %xmm0
movsd (X), %xmm5
addl INCX, X
movhps (X), %xmm5
addl INCX, X
#ifdef USE_ABS
andps %xmm3, %xmm5
#endif
maxpd %xmm5, %xmm1
ALIGN_3
.L47:
testl $2, M
je .L48
movsd (X), %xmm6
addl INCX, X
movhps (X), %xmm6
addl INCX, X
#ifdef USE_ABS
andps %xmm3, %xmm6
#endif
maxpd %xmm6, %xmm0
ALIGN_3
.L48:
testl $1, M
je .L998
movsd (X), %xmm7
unpcklpd %xmm7, %xmm7
#ifdef USE_ABS
andps %xmm3, %xmm7
#endif
maxpd %xmm7, %xmm1
ALIGN_4
.L998:
maxpd %xmm1, %xmm0
movaps %xmm0, %xmm1
unpckhpd %xmm0, %xmm0
maxsd %xmm1, %xmm0
ALIGN_4
.L999:
subl $8, %esp
movsd %xmm0, (%esp)
fldl (%esp)
addl $8, %esp
popl %ebx
popl %esi
popl %edi
popl %ebp
ret
EPILOGUE