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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 RET %eax
#define M %ebx
#define X %ecx
#define INCX %edx
#define I %esi
#define MM %ebp
#define XX %edi
#define TEMP %ebx
#ifdef USE_MIN
#define maxpd minpd
#define maxsd minsd
#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
pxor %xmm0, %xmm0
pxor %xmm7, %xmm7
xor RET, RET
testl M, M
jle .L999
testl INCX, INCX
jle .L999
sall $ZBASE_SHIFT, INCX
movl M, MM
movl X, XX
cmpeqpd %xmm7, %xmm7
psrlq $1, %xmm7
movsd 0 * SIZE(XX), %xmm0
movsd 1 * SIZE(XX), %xmm1
addl INCX, XX
decl MM
andpd %xmm7, %xmm0
andpd %xmm7, %xmm1
addpd %xmm1, %xmm0
unpcklpd %xmm0, %xmm0
cmpl $2 * SIZE, INCX
jne .L60
movl MM, I
sarl $3, I
jle .L25
ALIGN_4
.L21:
#ifdef PREFETCH
PREFETCH (PREFETCHSIZE + 0) - PREOFFSET(XX)
#endif
movsd 0 * SIZE(XX), %xmm1
movsd 1 * SIZE(XX), %xmm2
movhpd 2 * SIZE(XX), %xmm1
movhpd 3 * SIZE(XX), %xmm2
andpd %xmm7, %xmm1
andpd %xmm7, %xmm2
addpd %xmm2, %xmm1
maxpd %xmm1, %xmm0
movsd 4 * SIZE(XX), %xmm3
movsd 5 * SIZE(XX), %xmm4
movhpd 6 * SIZE(XX), %xmm3
movhpd 7 * SIZE(XX), %xmm4
andpd %xmm7, %xmm3
andpd %xmm7, %xmm4
addpd %xmm4, %xmm3
maxpd %xmm3, %xmm0
#if defined(PREFETCH) && !defined(FETCH128)
PREFETCH (PREFETCHSIZE + 64) - PREOFFSET(XX)
#endif
movsd 8 * SIZE(XX), %xmm1
movsd 9 * SIZE(XX), %xmm2
movhpd 10 * SIZE(XX), %xmm1
movhpd 11 * SIZE(XX), %xmm2
andpd %xmm7, %xmm1
andpd %xmm7, %xmm2
addpd %xmm2, %xmm1
maxpd %xmm1, %xmm0
movsd 12 * SIZE(XX), %xmm3
movsd 13 * SIZE(XX), %xmm4
movhpd 14 * SIZE(XX), %xmm3
movhpd 15 * SIZE(XX), %xmm4
andpd %xmm7, %xmm3
andpd %xmm7, %xmm4
addpd %xmm4, %xmm3
maxpd %xmm3, %xmm0
addl $16 * SIZE, XX
decl I
jg .L21
ALIGN_4
.L25:
andl $7, MM
jle .L30
testl $4, MM
je .L26
movsd 0 * SIZE(XX), %xmm1
movsd 1 * SIZE(XX), %xmm2
movhpd 2 * SIZE(XX), %xmm1
movhpd 3 * SIZE(XX), %xmm2
andpd %xmm7, %xmm1
andpd %xmm7, %xmm2
addpd %xmm2, %xmm1
maxpd %xmm1, %xmm0
movsd 4 * SIZE(XX), %xmm3
movsd 5 * SIZE(XX), %xmm4
movhpd 6 * SIZE(XX), %xmm3
movhpd 7 * SIZE(XX), %xmm4
andpd %xmm7, %xmm3
andpd %xmm7, %xmm4
addpd %xmm4, %xmm3
maxpd %xmm3, %xmm0
addl $8 * SIZE, XX
ALIGN_3
.L26:
testl $2, MM
je .L27
movsd 0 * SIZE(XX), %xmm1
movsd 1 * SIZE(XX), %xmm2
movhpd 2 * SIZE(XX), %xmm1
movhpd 3 * SIZE(XX), %xmm2
andpd %xmm7, %xmm1
andpd %xmm7, %xmm2
addpd %xmm2, %xmm1
maxpd %xmm1, %xmm0
addl $4 * SIZE, XX
ALIGN_3
.L27:
testl $1, MM
je .L30
movsd 0 * SIZE(XX), %xmm1
movsd 1 * SIZE(XX), %xmm2
andpd %xmm7, %xmm1
andpd %xmm7, %xmm2
addpd %xmm2, %xmm1
maxsd %xmm1, %xmm0
ALIGN_4
.L30:
movl X, XX
movl M, MM
movapd %xmm0, %xmm1
unpckhpd %xmm0, %xmm0
maxsd %xmm1, %xmm0
unpcklpd %xmm0, %xmm0
movl MM, I
sarl $2, I
jle .L35
ALIGN_4
.L31:
#ifdef PREFETCH
PREFETCH (PREFETCHSIZE + 0) - PREOFFSET(X)
#endif
movsd 0 * SIZE(XX), %xmm1
movsd 1 * SIZE(XX), %xmm2
movhpd 2 * SIZE(XX), %xmm1
movhpd 3 * SIZE(XX), %xmm2
movsd 4 * SIZE(XX), %xmm3
movsd 5 * SIZE(XX), %xmm4
movhpd 6 * SIZE(XX), %xmm3
movhpd 7 * SIZE(XX), %xmm4
andpd %xmm7, %xmm1
andpd %xmm7, %xmm2
andpd %xmm7, %xmm3
andpd %xmm7, %xmm4
addpd %xmm2, %xmm1
addpd %xmm4, %xmm3
cmpeqpd %xmm0, %xmm1
cmpeqpd %xmm0, %xmm3
orpd %xmm3, %xmm1
movmskpd %xmm1, TEMP
testl $3, TEMP
jne .L33
addl $8 * SIZE, XX
addl $4, RET
decl I
jg .L31
jmp .L35
ALIGN_4
.L33:
movsd 0 * SIZE(XX), %xmm1
movsd 1 * SIZE(XX), %xmm2
movsd 2 * SIZE(XX), %xmm3
movsd 3 * SIZE(XX), %xmm4
andpd %xmm7, %xmm1
andpd %xmm7, %xmm2
andpd %xmm7, %xmm3
andpd %xmm7, %xmm4
addpd %xmm2, %xmm1
addpd %xmm4, %xmm3
incl RET
comisd %xmm0, %xmm1
je .L999
incl RET
comisd %xmm0, %xmm3
je .L999
movsd 4 * SIZE(XX), %xmm1
movsd 5 * SIZE(XX), %xmm2
movsd 6 * SIZE(XX), %xmm3
movsd 7 * SIZE(XX), %xmm4
addl $8 * SIZE, XX
andpd %xmm7, %xmm1
andpd %xmm7, %xmm2
andpd %xmm7, %xmm3
andpd %xmm7, %xmm4
addpd %xmm2, %xmm1
addpd %xmm4, %xmm3
incl RET
comisd %xmm0, %xmm1
je .L999
incl RET
comisd %xmm0, %xmm3
je .L999
ALIGN_3
.L35:
testl $2, MM
je .L36
movsd 0 * SIZE(XX), %xmm1
movsd 1 * SIZE(XX), %xmm2
movsd 2 * SIZE(XX), %xmm3
movsd 3 * SIZE(XX), %xmm4
addl $4 * SIZE, XX
andpd %xmm7, %xmm1
andpd %xmm7, %xmm2
andpd %xmm7, %xmm3
andpd %xmm7, %xmm4
addpd %xmm2, %xmm1
addpd %xmm4, %xmm3
incl RET
comisd %xmm0, %xmm1
je .L999
incl RET
comisd %xmm0, %xmm3
je .L999
ALIGN_3
.L36:
incl RET
jmp .L999
ALIGN_3
.L60:
movl MM, I
sarl $3, I
jle .L65
ALIGN_4
.L61:
#ifdef PREFETCH
PREFETCH (PREFETCHSIZE + 0) - PREOFFSET(X)
#endif
movsd 0 * SIZE(XX), %xmm1
movsd 1 * SIZE(XX), %xmm2
addl INCX, XX
movhpd 0 * SIZE(XX), %xmm1
movhpd 1 * SIZE(XX), %xmm2
addl INCX, XX
andpd %xmm7, %xmm1
andpd %xmm7, %xmm2
addpd %xmm2, %xmm1
maxpd %xmm1, %xmm0
movsd 0 * SIZE(XX), %xmm3
movsd 1 * SIZE(XX), %xmm4
addl INCX, XX
movhpd 0 * SIZE(XX), %xmm3
movhpd 1 * SIZE(XX), %xmm4
addl INCX, XX
andpd %xmm7, %xmm3
andpd %xmm7, %xmm4
addpd %xmm4, %xmm3
maxpd %xmm3, %xmm0
#if defined(PREFETCH) && !defined(FETCH128)
PREFETCH (PREFETCHSIZE + 64) - PREOFFSET(X)
#endif
movsd 0 * SIZE(XX), %xmm1
movsd 1 * SIZE(XX), %xmm2
addl INCX, XX
movhpd 0 * SIZE(XX), %xmm1
movhpd 1 * SIZE(XX), %xmm2
addl INCX, XX
andpd %xmm7, %xmm1
andpd %xmm7, %xmm2
addpd %xmm2, %xmm1
maxpd %xmm1, %xmm0
movsd 0 * SIZE(XX), %xmm3
movsd 1 * SIZE(XX), %xmm4
addl INCX, XX
movhpd 0 * SIZE(XX), %xmm3
movhpd 1 * SIZE(XX), %xmm4
addl INCX, XX
andpd %xmm7, %xmm3
andpd %xmm7, %xmm4
addpd %xmm4, %xmm3
maxpd %xmm3, %xmm0
decl I
jg .L61
ALIGN_4
.L65:
andl $7, MM
jle .L70
testl $4, MM
je .L66
movsd 0 * SIZE(XX), %xmm1
movsd 1 * SIZE(XX), %xmm2
addl INCX, XX
movhpd 0 * SIZE(XX), %xmm1
movhpd 1 * SIZE(XX), %xmm2
addl INCX, XX
andpd %xmm7, %xmm1
andpd %xmm7, %xmm2
addpd %xmm2, %xmm1
maxpd %xmm1, %xmm0
movsd 0 * SIZE(XX), %xmm3
movsd 1 * SIZE(XX), %xmm4
addl INCX, XX
movhpd 0 * SIZE(XX), %xmm3
movhpd 1 * SIZE(XX), %xmm4
addl INCX, XX
andpd %xmm7, %xmm3
andpd %xmm7, %xmm4
addpd %xmm4, %xmm3
maxpd %xmm3, %xmm0
ALIGN_3
.L66:
testl $2, MM
je .L67
movsd 0 * SIZE(XX), %xmm1
movsd 1 * SIZE(XX), %xmm2
addl INCX, XX
movhpd 0 * SIZE(XX), %xmm1
movhpd 1 * SIZE(XX), %xmm2
addl INCX, XX
andpd %xmm7, %xmm1
andpd %xmm7, %xmm2
addpd %xmm2, %xmm1
maxpd %xmm1, %xmm0
ALIGN_3
.L67:
testl $1, MM
je .L70
movsd 0 * SIZE(XX), %xmm1
movsd 1 * SIZE(XX), %xmm2
andpd %xmm7, %xmm1
andpd %xmm7, %xmm2
addpd %xmm2, %xmm1
maxsd %xmm1, %xmm0
ALIGN_3
.L70:
movl X, XX
movl M, MM
movapd %xmm0, %xmm1
unpckhpd %xmm0, %xmm0
maxsd %xmm1, %xmm0
unpcklpd %xmm0, %xmm0
movl MM, I
sarl $2, I
jle .L75
ALIGN_4
.L71:
#ifdef PREFETCH
PREFETCH (PREFETCHSIZE + 0) - PREOFFSET(X)
#endif
movsd 0 * SIZE(XX), %xmm1
movsd 1 * SIZE(XX), %xmm2
addl INCX, XX
movhpd 0 * SIZE(XX), %xmm1
movhpd 1 * SIZE(XX), %xmm2
addl INCX, XX
movsd 0 * SIZE(XX), %xmm3
movsd 1 * SIZE(XX), %xmm4
addl INCX, XX
movhpd 0 * SIZE(XX), %xmm3
movhpd 1 * SIZE(XX), %xmm4
addl INCX, XX
andpd %xmm7, %xmm1
andpd %xmm7, %xmm2
andpd %xmm7, %xmm3
andpd %xmm7, %xmm4
addpd %xmm2, %xmm1
addpd %xmm4, %xmm3
cmpeqpd %xmm0, %xmm1
cmpeqpd %xmm0, %xmm3
orpd %xmm3, %xmm1
movmskpd %xmm1, TEMP
testl $3, TEMP
jne .L73
addl $4, RET
decl I
jg .L71
jmp .L75
ALIGN_4
.L73:
leal (, INCX, 4), TEMP
subl TEMP, XX
movsd 0 * SIZE(XX), %xmm1
movsd 1 * SIZE(XX), %xmm2
addl INCX, XX
movsd 0 * SIZE(XX), %xmm3
movsd 1 * SIZE(XX), %xmm4
addl INCX, XX
andpd %xmm7, %xmm1
andpd %xmm7, %xmm2
andpd %xmm7, %xmm3
andpd %xmm7, %xmm4
addpd %xmm2, %xmm1
addpd %xmm4, %xmm3
incl RET
comisd %xmm0, %xmm1
je .L999
incl RET
comisd %xmm0, %xmm3
je .L999
movsd 0 * SIZE(XX), %xmm1
movsd 1 * SIZE(XX), %xmm2
addl INCX, XX
movsd 0 * SIZE(XX), %xmm3
movsd 1 * SIZE(XX), %xmm4
addl INCX, XX
andpd %xmm7, %xmm1
andpd %xmm7, %xmm2
andpd %xmm7, %xmm3
andpd %xmm7, %xmm4
addpd %xmm2, %xmm1
addpd %xmm4, %xmm3
incl RET
comisd %xmm0, %xmm1
je .L999
incl RET
comisd %xmm0, %xmm3
je .L999
ALIGN_3
.L75:
testl $2, MM
je .L76
movsd 0 * SIZE(XX), %xmm1
movsd 1 * SIZE(XX), %xmm2
addl INCX, XX
movsd 0 * SIZE(XX), %xmm3
movsd 1 * SIZE(XX), %xmm4
addl INCX, XX
andpd %xmm7, %xmm1
andpd %xmm7, %xmm2
andpd %xmm7, %xmm3
andpd %xmm7, %xmm4
addpd %xmm2, %xmm1
addpd %xmm4, %xmm3
incl RET
comisd %xmm0, %xmm1
je .L999
incl RET
comisd %xmm0, %xmm3
je .L999
ALIGN_3
.L76:
incl RET
ALIGN_4
.L999:
popl %ebx
popl %esi
popl %edi
popl %ebp
ret
EPILOGUE