/*********************************************************************/
/* 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
#ifdef F_INTERFACE
movl (M), M
movl (INCX), INCX
#endif
pxor %xmm0, %xmm0 /* Return Value(Float) */
#ifdef USE_ABS
pxor %xmm7, %xmm7 /* Generate USE_ABS */
#endif
xor RET, RET /* Return Value(Int) */
testl M, M
jle .L999
leal (, INCX, SIZE), INCX
testl INCX, INCX
jle .L999
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 (XX), %xmm0
addl INCX, XX
decl MM
shufps $0, %xmm0, %xmm0
#ifdef USE_ABS
andps %xmm7, %xmm0
#endif
movaps %xmm0, %xmm1
movaps %xmm0, %xmm2
movaps %xmm0, %xmm3 /* Generating "seed value" */
cmpl $SIZE, INCX
jne .L80 /* Incx != 1 goto L80 */
/* Analigned Check */
testl $3, XX /* 00000011 */
jne .L30 /* Purely Unaligned Mode */
cmpl $8, MM
jle .L30 /* if M <= 8 goto Unaligned mode */
testl $4, XX /* bit test 000100 */
je .L05
movss 0 * SIZE(XX), %xmm4
#ifdef USE_ABS
andps %xmm7, %xmm4
#endif
maxss %xmm4, %xmm0
decl MM
addl $SIZE, XX
ALIGN_3
.L05:
testl $8, XX
je .L06
movsd 0 * SIZE(XX), %xmm4
unpcklps %xmm4, %xmm4
#ifdef USE_ABS
andps %xmm7, %xmm4
#endif
maxps %xmm4, %xmm1
subl $2, MM
addl $2 * SIZE, XX
ALIGN_3
.L06:
movl MM, I
sarl $4, I
jle .L15
ALIGN_4
.L11:
#ifdef PREFETCH
PREFETCH (PREFETCHSIZE + 0) - PREOFFSET(XX)
#endif
movaps 0 * SIZE(XX), %xmm4
#ifdef USE_ABS
andps %xmm7, %xmm4
#endif
maxps %xmm4, %xmm0
movaps 4 * SIZE(XX), %xmm4
#ifdef USE_ABS
andps %xmm7, %xmm4
#endif
maxps %xmm4, %xmm1
movaps 8 * SIZE(XX), %xmm4
#ifdef USE_ABS
andps %xmm7, %xmm4
#endif
maxps %xmm4, %xmm2
movaps 12 * SIZE(XX), %xmm4
#ifdef USE_ABS
andps %xmm7, %xmm4
#endif
maxps %xmm4, %xmm3
addl $16 * SIZE, XX
decl I
jg .L11
ALIGN_4
.L15:
andl $15, MM
jle .L20
testl $8, MM
je .L16
movaps 0 * SIZE(XX), %xmm4
#ifdef USE_ABS
andps %xmm7, %xmm4
#endif
maxps %xmm4, %xmm0
movaps 4 * SIZE(XX), %xmm4
#ifdef USE_ABS
andps %xmm7, %xmm4
#endif
maxps %xmm4, %xmm1
addl $8 * SIZE, XX
ALIGN_3
.L16:
testl $4, MM
je .L17
movaps 0 * SIZE(XX), %xmm4
#ifdef USE_ABS
andps %xmm7, %xmm4
#endif
maxps %xmm4, %xmm2
addl $4 * SIZE, XX
ALIGN_3
.L17:
testl $2, MM
je .L18
movsd 0 * SIZE(XX), %xmm4
unpcklps %xmm4, %xmm4
#ifdef USE_ABS
andps %xmm7, %xmm4
#endif
maxps %xmm4, %xmm3
addl $2 * SIZE, XX
.L18:
testl $1, MM
je .L20
movss 0 * SIZE(XX), %xmm4
#ifdef USE_ABS
andps %xmm7, %xmm4
#endif
maxss %xmm4, %xmm0
ALIGN_3
.L20:
movl X, XX
movl M, MM
maxps %xmm1, %xmm0
maxps %xmm3, %xmm2
maxps %xmm2, %xmm0
movaps %xmm0, %xmm1
movhlps %xmm0, %xmm0
maxps %xmm1, %xmm0
movaps %xmm0, %xmm1
shufps $1, %xmm0, %xmm0
maxss %xmm1, %xmm0
shufps $0, %xmm0, %xmm0
testl $4, XX
je .L21
movss 0 * SIZE(XX), %xmm1
decl MM
addl $SIZE, XX
#ifdef USE_ABS
andps %xmm7, %xmm1
#endif
incl RET
comiss %xmm0, %xmm1
je .L999
ALIGN_3
.L21:
testl $8, XX
je .L22
movss 0 * SIZE(XX), %xmm1
movss 1 * SIZE(XX), %xmm2
subl $2, MM
addl $2 * SIZE, XX
#ifdef USE_ABS
andps %xmm7, %xmm1
andps %xmm7, %xmm2
#endif
incl RET
comiss %xmm0, %xmm1
je .L999
incl RET
comiss %xmm0, %xmm2
je .L999
ALIGN_3
.L22:
movl MM, I
sarl $3, I
jle .L25
ALIGN_4
.L23:
#ifdef PREFETCH
PREFETCH (PREFETCHSIZE + 0) - PREOFFSET(XX)
#endif
movaps 0 * SIZE(XX), %xmm1
#ifdef USE_ABS
andps %xmm7, %xmm1
#endif
cmpeqps %xmm0, %xmm1
movaps 4 * SIZE(XX), %xmm2
#ifdef USE_ABS
andps %xmm7, %xmm2
#endif
cmpeqps %xmm0, %xmm2
orps %xmm2, %xmm1
movmskps %xmm1, TEMP
testl $15, TEMP
jne .L24
addl $8 * SIZE, XX
addl $8, RET
decl I
jg .L23
jmp .L25
ALIGN_3
.L24:
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
incl RET
comiss %xmm0, %xmm1
je .L999
incl RET
comiss %xmm0, %xmm2
je .L999
incl RET
comiss %xmm0, %xmm3
je .L999
incl RET
comiss %xmm0, %xmm4
je .L999
movss 4 * SIZE(XX), %xmm1
movss 5 * SIZE(XX), %xmm2
movss 6 * SIZE(XX), %xmm3
#ifdef USE_ABS
andps %xmm7, %xmm1
andps %xmm7, %xmm2
andps %xmm7, %xmm3
#endif
incl RET
comiss %xmm0, %xmm1
je .L999
incl RET
comiss %xmm0, %xmm2
je .L999
incl RET
comiss %xmm0, %xmm3
je .L999
incl RET
jmp .L999
ALIGN_4
.L25:
testl $4, MM
je .L26
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
addl $4 * SIZE, XX
incl RET
comiss %xmm0, %xmm1
je .L999
incl RET
comiss %xmm0, %xmm2
je .L999
incl RET
comiss %xmm0, %xmm3
je .L999
incl RET
comiss %xmm0, %xmm4
je .L999
ALIGN_3
.L26:
testl $2, MM
je .L27
movss 0 * SIZE(XX), %xmm1
movss 1 * SIZE(XX), %xmm2
#ifdef USE_ABS
andps %xmm7, %xmm1
andps %xmm7, %xmm2
#endif
addl $2 * SIZE, XX
incl RET
comiss %xmm0, %xmm1
je .L999
incl RET
comiss %xmm0, %xmm2
je .L999
ALIGN_3
.L27:
incl RET
jmp .L999
ALIGN_3
/* Unaligned Mode */
.L30:
movl MM, I
sarl $4, I
jle .L35
ALIGN_4
.L31:
#ifdef PREFETCH
PREFETCH (PREFETCHSIZE + 0) - PREOFFSET(XX)
#endif
movsd 0 * SIZE(XX), %xmm4
movhps 2 * SIZE(XX), %xmm4
#ifdef USE_ABS
andps %xmm7, %xmm4
#endif
maxps %xmm4, %xmm0
movsd 4 * SIZE(XX), %xmm4
movhps 6 * SIZE(XX), %xmm4
#ifdef USE_ABS
andps %xmm7, %xmm4
#endif
maxps %xmm4, %xmm1
movsd 8 * SIZE(XX), %xmm4
movhps 10 * SIZE(XX), %xmm4
#ifdef USE_ABS
andps %xmm7, %xmm4
#endif
maxps %xmm4, %xmm2
movsd 12 * SIZE(XX), %xmm4
movhps 14 * SIZE(XX), %xmm4
#ifdef USE_ABS
andps %xmm7, %xmm4
#endif
maxps %xmm4, %xmm3
addl $16 * SIZE, XX
decl I
jg .L31
ALIGN_4
.L35:
andl $15, MM
jle .L40
testl $8, MM
je .L36
movsd 0 * SIZE(XX), %xmm4
movhps 2 * SIZE(XX), %xmm4
#ifdef USE_ABS
andps %xmm7, %xmm4
#endif
maxps %xmm4, %xmm0
movsd 4 * SIZE(XX), %xmm4
movhps 6 * SIZE(XX), %xmm4
#ifdef USE_ABS
andps %xmm7, %xmm4
#endif
maxps %xmm4, %xmm1
addl $8 * SIZE, XX
ALIGN_3
.L36:
testl $4, MM
je .L37
movsd 0 * SIZE(XX), %xmm4
movhps 2 * SIZE(XX), %xmm4
#ifdef USE_ABS
andps %xmm7, %xmm4
#endif
maxps %xmm4, %xmm2
addl $4 * SIZE, XX
ALIGN_3
.L37:
testl $2, MM
je .L38
movsd 0 * SIZE(XX), %xmm4
unpcklps %xmm4, %xmm4
#ifdef USE_ABS
andps %xmm7, %xmm4
#endif
maxps %xmm4, %xmm3
addl $2 * SIZE, XX
.L38:
testl $1, MM
je .L40
movss 0 * SIZE(XX), %xmm4
#ifdef USE_ABS
andps %xmm7, %xmm4
#endif
maxss %xmm4, %xmm0
jmp .L40
ALIGN_4
.L40:
movl X, XX
movl M, MM
maxps %xmm1, %xmm0
maxps %xmm3, %xmm2
maxps %xmm2, %xmm0
movaps %xmm0, %xmm1
movhlps %xmm0, %xmm0
maxps %xmm1, %xmm0
movaps %xmm0, %xmm1
shufps $1, %xmm0, %xmm0
maxss %xmm1, %xmm0
shufps $0, %xmm0, %xmm0
movl MM, I
sarl $3, I
jle .L45
ALIGN_4
.L43:
#ifdef PREFETCH
PREFETCH (PREFETCHSIZE + 0) - PREOFFSET(XX)
#endif
movsd 0 * SIZE(XX), %xmm1
movhps 2 * SIZE(XX), %xmm1
#ifdef USE_ABS
andps %xmm7, %xmm1
#endif
cmpeqps %xmm0, %xmm1
movsd 4 * SIZE(XX), %xmm2
movhps 6 * SIZE(XX), %xmm2
#ifdef USE_ABS
andps %xmm7, %xmm2
#endif
cmpeqps %xmm0, %xmm2
orps %xmm2, %xmm1
movmskps %xmm1, TEMP
testl $15, TEMP
jne .L44
addl $8 * SIZE, XX
addl $8, RET
decl I
jg .L43
jmp .L45
ALIGN_3
.L44:
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
incl RET
comiss %xmm0, %xmm1
je .L999
incl RET
comiss %xmm0, %xmm2
je .L999
incl RET
comiss %xmm0, %xmm3
je .L999
incl RET
comiss %xmm0, %xmm4
je .L999
movss 4 * SIZE(XX), %xmm1
movss 5 * SIZE(XX), %xmm2
movss 6 * SIZE(XX), %xmm3
#ifdef USE_ABS
andps %xmm7, %xmm1
andps %xmm7, %xmm2
andps %xmm7, %xmm3
#endif
incl RET
comiss %xmm0, %xmm1
je .L999
incl RET
comiss %xmm0, %xmm2
je .L999
incl RET
comiss %xmm0, %xmm3
je .L999
incl RET
jmp .L999
ALIGN_4
.L45:
testl $4, MM
je .L46
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
addl $4 * SIZE, XX
incl RET
comiss %xmm0, %xmm1
je .L999
incl RET
comiss %xmm0, %xmm2
je .L999
incl RET
comiss %xmm0, %xmm3
je .L999
incl RET
comiss %xmm0, %xmm4
je .L999
ALIGN_3
.L46:
testl $2, MM
je .L47
movss 0 * SIZE(XX), %xmm1
movss 1 * SIZE(XX), %xmm2
#ifdef USE_ABS
andps %xmm7, %xmm1
andps %xmm7, %xmm2
#endif
addl $2 * SIZE, XX
incl RET
comiss %xmm0, %xmm1
je .L999
incl RET
comiss %xmm0, %xmm2
je .L999
ALIGN_3
.L47:
incl RET
jmp .L999
ALIGN_3
.L80:
movl MM, I
sarl $3, I
jle .L85
ALIGN_4
.L81:
#ifdef PREFETCH
PREFETCH (PREFETCHSIZE + 0) - PREOFFSET(XX)
#endif
movss 0 * SIZE(XX), %xmm4
addl INCX, XX
#ifdef USE_ABS
andps %xmm7, %xmm4
#endif
maxss %xmm4, %xmm0
movss 0 * SIZE(XX), %xmm4
addl INCX, XX
#ifdef USE_ABS
andps %xmm7, %xmm4
#endif
maxss %xmm4, %xmm1
movss 0 * SIZE(XX), %xmm4
addl INCX, XX
#ifdef USE_ABS
andps %xmm7, %xmm4
#endif
maxss %xmm4, %xmm2
movss 0 * SIZE(XX), %xmm4
addl INCX, XX
#ifdef USE_ABS
andps %xmm7, %xmm4
#endif
maxss %xmm4, %xmm3
movss 0 * SIZE(XX), %xmm4
addl INCX, XX
#ifdef USE_ABS
andps %xmm7, %xmm4
#endif
maxss %xmm4, %xmm0
movss 0 * SIZE(XX), %xmm4
addl INCX, XX
#ifdef USE_ABS
andps %xmm7, %xmm4
#endif
maxss %xmm4, %xmm1
movss 0 * SIZE(XX), %xmm4
addl INCX, XX
#ifdef USE_ABS
andps %xmm7, %xmm4
#endif
maxss %xmm4, %xmm2
movss 0 * SIZE(XX), %xmm4
addl INCX, XX
#ifdef USE_ABS
andps %xmm7, %xmm4
#endif
maxss %xmm4, %xmm3
decl I
jg .L81
ALIGN_4
.L85:
andl $7, MM
jle .L90
testl $4, MM
je .L86
movss 0 * SIZE(XX), %xmm4
addl INCX, XX
#ifdef USE_ABS
andps %xmm7, %xmm4
#endif
maxss %xmm4, %xmm0
movss 0 * SIZE(XX), %xmm4
addl INCX, XX
#ifdef USE_ABS
andps %xmm7, %xmm4
#endif
maxss %xmm4, %xmm1
movss 0 * SIZE(XX), %xmm4
addl INCX, XX
#ifdef USE_ABS
andps %xmm7, %xmm4
#endif
maxss %xmm4, %xmm2
movss 0 * SIZE(XX), %xmm4
addl INCX, XX
#ifdef USE_ABS
andps %xmm7, %xmm4
#endif
maxss %xmm4, %xmm3
ALIGN_3
.L86:
testl $2, MM
je .L87
movss 0 * SIZE(XX), %xmm4
addl INCX, XX
#ifdef USE_ABS
andps %xmm7, %xmm4
#endif
maxss %xmm4, %xmm0
movss 0 * SIZE(XX), %xmm4
addl INCX, XX
#ifdef USE_ABS
andps %xmm7, %xmm4
#endif
maxss %xmm4, %xmm1
ALIGN_3
.L87:
testl $1, MM
je .L90
movss 0 * SIZE(XX), %xmm4
addl INCX, XX
#ifdef USE_ABS
andps %xmm7, %xmm4
#endif
maxss %xmm4, %xmm2
ALIGN_4
.L90:
movl X, XX
movl M, MM
maxss %xmm1, %xmm0
maxss %xmm3, %xmm2
maxss %xmm2, %xmm0
shufps $0, %xmm0, %xmm0
movl MM, I
sarl $2, I
jle .L96
ALIGN_4
.L92:
#ifdef PREFETCH
PREFETCH (PREFETCHSIZE + 0) - PREOFFSET(XX)
#endif
movss 0 * SIZE(XX), %xmm1
addl INCX, XX
#ifdef USE_ABS
andps %xmm7, %xmm1
#endif
cmpeqss %xmm0, %xmm1
movss 0 * SIZE(XX), %xmm2
addl INCX, XX
#ifdef USE_ABS
andps %xmm7, %xmm2
#endif
cmpeqss %xmm0, %xmm2
movss 0 * SIZE(XX), %xmm3
addl INCX, XX
#ifdef USE_ABS
andps %xmm7, %xmm3
#endif
cmpeqss %xmm0, %xmm3
movss 0 * SIZE(XX), %xmm4
addl INCX, XX
#ifdef USE_ABS
andps %xmm7, %xmm4
#endif
cmpeqss %xmm0, %xmm4
orps %xmm2, %xmm1
orps %xmm4, %xmm3
orps %xmm3, %xmm1
movmskps %xmm1, TEMP
testl $15, TEMP
jne .L93
addl $4, RET
decl I
jg .L92
jmp .L96
ALIGN_3
.L93:
leal (, INCX, 4), TEMP
subl TEMP, XX
movss 0 * SIZE(XX), %xmm1
addl INCX, XX
movss 0 * SIZE(XX), %xmm2
addl INCX, XX
movss 0 * SIZE(XX), %xmm3
addl INCX, XX
movss 0 * SIZE(XX), %xmm4
addl INCX, XX
#ifdef USE_ABS
andps %xmm7, %xmm1
andps %xmm7, %xmm2
andps %xmm7, %xmm3
andps %xmm7, %xmm4
#endif
incl RET
comiss %xmm0, %xmm1
je .L999
incl RET
comiss %xmm0, %xmm2
je .L999
incl RET
comiss %xmm0, %xmm3
je .L999
incl RET
comiss %xmm0, %xmm4
je .L999
ALIGN_3
.L96:
testl $2, MM
je .L97
movss 0 * SIZE(XX), %xmm1
addl INCX, XX
movss 0 * SIZE(XX), %xmm2
addl INCX, XX
#ifdef USE_ABS
andps %xmm7, %xmm1
andps %xmm7, %xmm2
#endif
incl RET
comiss %xmm0, %xmm1
je .L999
incl RET
comiss %xmm0, %xmm2
je .L999
ALIGN_3
.L97:
incl RET
ALIGN_3
.L999:
popl %ebx
popl %esi
popl %edi
popl %ebp
ret
EPILOGUE