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amax_sse.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 maxps minps
#define maxss minss
#endif
#include "l1param.h"
PROLOGUE
pushl %ebp
pushl %edi
pushl %esi
pushl %ebx
PROFCODE
movl STACK_M, M
movl STACK_X, X
movl STACK_INCX, INCX
#ifdef F_INTERFACE
movl (M), M
movl (INCX), INCX
#endif
xorps %xmm0, %xmm0
leal (, INCX, SIZE), INCX
testl M, M
jle .L999
#ifdef USE_ABS
#ifndef HAVE_SSE2
subl $8, %esp
movl $0x7fffffff, (%esp)
movss (%esp), %xmm3
shufps $0, %xmm3, %xmm3
addl $8, %esp
#else
pcmpeqb %xmm3, %xmm3
psrld $1, %xmm3
#endif
#endif
movss (X), %xmm0
shufps $0, %xmm0, %xmm0
#ifdef USE_ABS
andps %xmm3, %xmm0
#endif
movaps %xmm0, %xmm1
addl INCX, X
decl M
jle .L999
cmpl $SIZE, INCX
jne .L40
subl $-32 * SIZE, X
cmpl $3, M
jle .L17
testl $SIZE, X
je .L05
movss -32 * SIZE(X), %xmm4
addl $SIZE, X
shufps $0, %xmm4, %xmm4
#ifdef USE_ABS
andps %xmm3, %xmm4
#endif
maxps %xmm4, %xmm0
decl M
ALIGN_3
.L05:
testl $2 * SIZE, X
je .L06
movsd -32 * SIZE(X), %xmm4
addl $2 * SIZE, X
unpcklps %xmm4, %xmm4
#ifdef USE_ABS
andps %xmm3, %xmm4
#endif
maxps %xmm4, %xmm1
subl $2, M
ALIGN_3
.L06:
movl M, I
sarl $5, I
jle .L15
movaps -32 * SIZE(X), %xmm4
movaps -28 * SIZE(X), %xmm5
movaps -24 * SIZE(X), %xmm6
movaps -20 * 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
maxps %xmm4, %xmm0
movaps -16 * SIZE(X), %xmm4
#ifdef USE_ABS
andps %xmm3, %xmm5
#endif
maxps %xmm5, %xmm1
movaps -12 * SIZE(X), %xmm5
#ifdef USE_ABS
andps %xmm3, %xmm6
#endif
maxps %xmm6, %xmm0
movaps -8 * SIZE(X), %xmm6
#ifdef USE_ABS
andps %xmm3, %xmm7
#endif
maxps %xmm7, %xmm1
movaps -4 * SIZE(X), %xmm7
#if defined(PREFETCH) && !defined(FETCH128)
PREFETCH (PREFETCHSIZE + 64) - PREOFFSET(X)
#endif
#ifdef USE_ABS
andps %xmm3, %xmm4
#endif
maxps %xmm4, %xmm0
movaps 0 * SIZE(X), %xmm4
#ifdef USE_ABS
andps %xmm3, %xmm5
#endif
maxps %xmm5, %xmm1
movaps 4 * SIZE(X), %xmm5
#ifdef USE_ABS
andps %xmm3, %xmm6
#endif
maxps %xmm6, %xmm0
movaps 8 * SIZE(X), %xmm6
#ifdef USE_ABS
andps %xmm3, %xmm7
#endif
maxps %xmm7, %xmm1
movaps 12 * SIZE(X), %xmm7
subl $-32 * SIZE, X
decl I
jg .L11
ALIGN_4
.L12:
#ifdef USE_ABS
andps %xmm3, %xmm4
#endif
maxps %xmm4, %xmm0
movaps -16 * SIZE(X), %xmm4
#ifdef USE_ABS
andps %xmm3, %xmm5
#endif
maxps %xmm5, %xmm1
movaps -12 * SIZE(X), %xmm5
#ifdef USE_ABS
andps %xmm3, %xmm6
#endif
maxps %xmm6, %xmm0
movaps -8 * SIZE(X), %xmm6
#ifdef USE_ABS
andps %xmm3, %xmm7
#endif
maxps %xmm7, %xmm1
movaps -4 * SIZE(X), %xmm7
#ifdef USE_ABS
andps %xmm3, %xmm4
#endif
maxps %xmm4, %xmm0
#ifdef USE_ABS
andps %xmm3, %xmm5
#endif
maxps %xmm5, %xmm1
#ifdef USE_ABS
andps %xmm3, %xmm6
#endif
maxps %xmm6, %xmm0
#ifdef USE_ABS
andps %xmm3, %xmm7
#endif
maxps %xmm7, %xmm1
subl $-32 * SIZE, X
ALIGN_3
.L15:
testl $16, M
je .L16
movaps -32 * SIZE(X), %xmm4
#ifdef USE_ABS
andps %xmm3, %xmm4
#endif
maxps %xmm4, %xmm0
movaps -28 * SIZE(X), %xmm5
#ifdef USE_ABS
andps %xmm3, %xmm5
#endif
maxps %xmm5, %xmm1
movaps -24 * SIZE(X), %xmm6
#ifdef USE_ABS
andps %xmm3, %xmm6
#endif
maxps %xmm6, %xmm0
movaps -20 * SIZE(X), %xmm7
#ifdef USE_ABS
andps %xmm3, %xmm7
#endif
maxps %xmm7, %xmm1
addl $16 * SIZE, X
ALIGN_3
.L16:
testl $8, M
je .L17
movaps -32 * SIZE(X), %xmm4
#ifdef USE_ABS
andps %xmm3, %xmm4
#endif
maxps %xmm4, %xmm0
movaps -28 * SIZE(X), %xmm5
#ifdef USE_ABS
andps %xmm3, %xmm5
#endif
maxps %xmm5, %xmm1
addl $8 * SIZE, X
ALIGN_3
.L17:
testl $4, M
je .L18
movaps -32 * SIZE(X), %xmm4
#ifdef USE_ABS
andps %xmm3, %xmm4
#endif
maxps %xmm4, %xmm0
addl $4 * SIZE, X
ALIGN_3
.L18:
testl $2, M
je .L19
movsd -32 * SIZE(X), %xmm4
unpcklps %xmm4, %xmm4
#ifdef USE_ABS
andps %xmm3, %xmm4
#endif
maxps %xmm4, %xmm1
addl $2 * SIZE, X
ALIGN_3
.L19:
testl $1, M
je .L998
movss -32 * SIZE(X), %xmm4
#ifdef USE_ABS
andps %xmm3, %xmm4
#endif
maxss %xmm4, %xmm0
jmp .L998
ALIGN_3
.L40:
movl M, I
sarl $3, I
jle .L45
ALIGN_4
.L41:
movss (X), %xmm4
addl INCX, X
#ifdef USE_ABS
andps %xmm3, %xmm4
#endif
maxss %xmm4, %xmm0
movss (X), %xmm5
addl INCX, X
#ifdef USE_ABS
andps %xmm3, %xmm5
#endif
maxss %xmm5, %xmm1
movss (X), %xmm6
addl INCX, X
#ifdef USE_ABS
andps %xmm3, %xmm6
#endif
maxss %xmm6, %xmm0
movss (X), %xmm7
addl INCX, X
#ifdef USE_ABS
andps %xmm3, %xmm7
#endif
maxss %xmm7, %xmm1
movss (X), %xmm4
addl INCX, X
#ifdef USE_ABS
andps %xmm3, %xmm4
#endif
maxss %xmm4, %xmm0
movss (X), %xmm5
addl INCX, X
#ifdef USE_ABS
andps %xmm3, %xmm5
#endif
maxss %xmm5, %xmm1
movss (X), %xmm6
addl INCX, X
#ifdef USE_ABS
andps %xmm3, %xmm6
#endif
maxss %xmm6, %xmm0
movss (X), %xmm7
addl INCX, X
#ifdef USE_ABS
andps %xmm3, %xmm7
#endif
maxss %xmm7, %xmm1
decl I
jg .L41
ALIGN_4
.L45:
testl $4, M
je .L46
movss (X), %xmm4
addl INCX, X
#ifdef USE_ABS
andps %xmm3, %xmm4
#endif
maxss %xmm4, %xmm0
movss (X), %xmm5
addl INCX, X
#ifdef USE_ABS
andps %xmm3, %xmm5
#endif
maxss %xmm5, %xmm1
movss (X), %xmm6
addl INCX, X
#ifdef USE_ABS
andps %xmm3, %xmm6
#endif
maxss %xmm6, %xmm0
movss (X), %xmm7
addl INCX, X
#ifdef USE_ABS
andps %xmm3, %xmm7
#endif
maxss %xmm7, %xmm1
ALIGN_3
.L46:
testl $2, M
je .L47
movss (X), %xmm4
addl INCX, X
#ifdef USE_ABS
andps %xmm3, %xmm4
#endif
maxss %xmm4, %xmm0
movss (X), %xmm5
addl INCX, X
#ifdef USE_ABS
andps %xmm3, %xmm5
#endif
maxss %xmm5, %xmm1
ALIGN_3
.L47:
testl $1, M
je .L998
movss (X), %xmm4
addl INCX, X
#ifdef USE_ABS
andps %xmm3, %xmm4
#endif
maxss %xmm4, %xmm0
ALIGN_4
.L998:
maxps %xmm1, %xmm0
movaps %xmm0, %xmm1
movhlps %xmm0, %xmm0
maxps %xmm1, %xmm0
movaps %xmm0, %xmm1
shufps $1, %xmm0, %xmm0
maxss %xmm1, %xmm0
ALIGN_4
.L999:
subl $8, %esp
movss %xmm0, (%esp)
flds (%esp)
addl $8, %esp
popl %ebx
popl %esi
popl %edi
popl %ebp
ret
EPILOGUE