/*********************************************************************/
/* 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 maxps minps
#define maxss minss
#endif
#ifndef HAVE_SSE2
#define pxor xorps
#define movsd movlps
#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
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
#ifdef USE_ABS
#ifndef HAVE_SSE2
subl $8, %esp
movl $0x7fffffff, (%esp)
movss (%esp), %xmm7
shufps $0, %xmm7, %xmm7
addl $8, %esp
#else
cmpeqps %xmm7, %xmm7
psrld $1, %xmm7 /* Generate USE_ABS */
#endif
#endif
movss 0 * SIZE(XX), %xmm0
movss 1 * SIZE(XX), %xmm1
addl INCX, XX
decl MM
#ifdef USE_ABS
andps %xmm7, %xmm0
andps %xmm7, %xmm1
#endif
addps %xmm1, %xmm0
shufps $0, %xmm0, %xmm0
cmpl $2 * SIZE, INCX
jne .L70
.L30:
movl MM, I
sarl $3, I
jle .L35
ALIGN_4
.L31:
#ifdef PREFETCH
PREFETCH (PREFETCHSIZE + 0) - PREOFFSET(XX)
#endif
movsd 0 * SIZE(XX), %xmm1
movhps 2 * SIZE(XX), %xmm1
movsd 4 * SIZE(XX), %xmm2
movhps 6 * SIZE(XX), %xmm2
movaps %xmm1, %xmm3
shufps $0x88, %xmm2, %xmm1
shufps $0xdd, %xmm2, %xmm3
#ifdef USE_ABS
andps %xmm7, %xmm1
andps %xmm7, %xmm3
addps %xmm3, %xmm1
maxps %xmm1, %xmm0
#endif
movsd 8 * SIZE(XX), %xmm1
movhps 10 * SIZE(XX), %xmm1
movsd 12 * SIZE(XX), %xmm2
movhps 14 * SIZE(XX), %xmm2
movaps %xmm1, %xmm3
shufps $0x88, %xmm2, %xmm1
shufps $0xdd, %xmm2, %xmm3
#ifdef USE_ABS
andps %xmm7, %xmm1
andps %xmm7, %xmm3
#endif
addps %xmm3, %xmm1
maxps %xmm1, %xmm0
addl $16 * SIZE, XX
decl I
jg .L31
ALIGN_4
.L35:
andl $7, MM
jle .L40
testl $4, MM
je .L36
movsd 0 * SIZE(XX), %xmm1
movhps 2 * SIZE(XX), %xmm1
movsd 4 * SIZE(XX), %xmm2
movhps 6 * SIZE(XX), %xmm2
movaps %xmm1, %xmm3
shufps $0x88, %xmm2, %xmm1
shufps $0xdd, %xmm2, %xmm3
#ifdef USE_ABS
andps %xmm7, %xmm1
andps %xmm7, %xmm3
#endif
addps %xmm3, %xmm1
maxps %xmm1, %xmm0
addl $8 * SIZE, XX
ALIGN_3
.L36:
testl $2, MM
je .L37
movss 0 * SIZE(XX), %xmm1
movss 1 * SIZE(XX), %xmm2
movss 2 * SIZE(XX), %xmm3
movss 3 * SIZE(XX), %xmm4
#ifdef USE_ABS
andps %xmm7, %xmm1
andps %xmm7, %xmm2
andps %xmm7, %xmm3
andps %xmm7, %xmm4
#endif
addps %xmm2, %xmm1
addps %xmm4, %xmm3
maxss %xmm1, %xmm0
maxss %xmm3, %xmm0
addl $4 * SIZE, XX
ALIGN_3
.L37:
testl $1, MM
je .L40
movss 0 * SIZE(XX), %xmm1
movss 1 * SIZE(XX), %xmm2
#ifdef USE_ABS
andps %xmm7, %xmm1
andps %xmm7, %xmm2
#endif
addps %xmm2, %xmm1
maxss %xmm1, %xmm0
ALIGN_4
.L40:
movaps %xmm0, %xmm1
movhlps %xmm0, %xmm0
maxps %xmm1, %xmm0
movaps %xmm0, %xmm1
shufps $1, %xmm0, %xmm0
maxss %xmm1, %xmm0
jmp .L999
ALIGN_4
.L70:
movl MM, I
sarl $3, I
jle .L75
ALIGN_4
.L71:
#ifdef PREFETCH
PREFETCH (PREFETCHSIZE + 0) - PREOFFSET(XX)
#endif
movsd 0 * SIZE(XX), %xmm1
addl INCX, XX
movhps 0 * SIZE(XX), %xmm1
addl INCX, XX
movsd 0 * SIZE(XX), %xmm2
addl INCX, XX
movhps 0 * SIZE(XX), %xmm2
addl INCX, XX
movaps %xmm1, %xmm3
shufps $0x88, %xmm2, %xmm1
shufps $0xdd, %xmm2, %xmm3
#ifdef USE_ABS
andps %xmm7, %xmm1
andps %xmm7, %xmm3
#endif
addps %xmm3, %xmm1
maxps %xmm1, %xmm0
movsd 0 * SIZE(XX), %xmm1
addl INCX, XX
movhps 0 * SIZE(XX), %xmm1
addl INCX, XX
movsd 0 * SIZE(XX), %xmm2
addl INCX, XX
movhps 0 * SIZE(XX), %xmm2
addl INCX, XX
movaps %xmm1, %xmm3
shufps $0x88, %xmm2, %xmm1
shufps $0xdd, %xmm2, %xmm3
#ifdef USE_ABS
andps %xmm7, %xmm1
andps %xmm7, %xmm3
#endif
addps %xmm3, %xmm1
maxps %xmm1, %xmm0
decl I
jg .L71
ALIGN_4
.L75:
andl $7, MM
jle .L80
testl $4, MM
je .L76
movsd 0 * SIZE(XX), %xmm1
addl INCX, XX
movhps 0 * SIZE(XX), %xmm1
addl INCX, XX
movsd 0 * SIZE(XX), %xmm2
addl INCX, XX
movhps 0 * SIZE(XX), %xmm2
addl INCX, XX
movaps %xmm1, %xmm3
shufps $0x88, %xmm2, %xmm1
shufps $0xdd, %xmm2, %xmm3
#ifdef USE_ABS
andps %xmm7, %xmm1
andps %xmm7, %xmm3
#endif
addps %xmm3, %xmm1
maxps %xmm1, %xmm0
ALIGN_3
.L76:
testl $2, MM
je .L77
movss 0 * SIZE(XX), %xmm1
movss 1 * SIZE(XX), %xmm2
addl INCX, XX
movss 0 * SIZE(XX), %xmm3
movss 1 * SIZE(XX), %xmm4
addl INCX, XX
#ifdef USE_ABS
andps %xmm7, %xmm1
andps %xmm7, %xmm2
andps %xmm7, %xmm3
andps %xmm7, %xmm4
#endif
addps %xmm2, %xmm1
addps %xmm4, %xmm3
maxss %xmm1, %xmm0
maxss %xmm3, %xmm0
ALIGN_3
.L77:
testl $1, MM
je .L80
movss 0 * SIZE(XX), %xmm1
movss 1 * SIZE(XX), %xmm2
#ifdef USE_ABS
andps %xmm7, %xmm1
andps %xmm7, %xmm2
#endif
addps %xmm2, %xmm1
maxss %xmm1, %xmm0
ALIGN_4
.L80:
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