/*********************************************************************/
/* 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 M ARG1 /* rdi */
#define X ARG2 /* rsi */
#define INCX ARG3 /* rdx */
#define RET %rax
#define I ARG4
#define XX %r10
#define MM %r11
#ifdef USE_MIN
#define maxps minps
#define maxss minss
#endif
#include "l1param.h"
PROLOGUE
PROFCODE
SAVEREGISTERS
pxor %xmm0, %xmm0 /* Return Value(Float) */
xor RET, RET /* Return Value(Int) */
testq M, M
jle .L999
leaq (, INCX, SIZE), INCX
testq INCX, INCX
jle .L999
movq M, MM
movq X, XX
#ifdef USE_ABS
pcmpeqb %xmm15, %xmm15
psrld $1, %xmm15 /* Generate USE_ABS */
#endif
movss (X), %xmm0
addq INCX, X
decq M
shufps $0, %xmm0, %xmm0
#ifdef USE_ABS
andps %xmm15, %xmm0
#endif
movaps %xmm0, %xmm1
movaps %xmm0, %xmm2
movaps %xmm0, %xmm3 /* Generating "seed value" */
cmpq $SIZE, INCX
jne .L80 /* Incx != 1 goto L80 */
/* Analigned Check */
testq $3, X /* 00000011 */
jne .L30 /* Purely Unaligned Mode */
cmpq $8, M
jle .L30 /* if M <= 8 goto Unaligned mode */
testq $4, X /* bit test 000100 */
je .L05
movss 0 * SIZE(X), %xmm4
#ifdef USE_ABS
andps %xmm15, %xmm4
#endif
maxss %xmm4, %xmm0
decq M
addq $SIZE, X
ALIGN_3
.L05:
testq $8, X
je .L06
movsd 0 * SIZE(X), %xmm4
unpcklps %xmm4, %xmm4
#ifdef USE_ABS
andps %xmm15, %xmm4
#endif
maxps %xmm4, %xmm1
subq $2, M
addq $2 * SIZE, X
ALIGN_3
.L06:
movq M, I
sarq $4, I
jle .L15
ALIGN_4
.L11:
#ifdef PREFETCH
PREFETCH (PREFETCHSIZE + 0) - PREOFFSET(X)
#endif
movaps 0 * SIZE(X), %xmm4
#ifdef USE_ABS
andps %xmm15, %xmm4
#endif
maxps %xmm4, %xmm0
movaps 4 * SIZE(X), %xmm5
#ifdef USE_ABS
andps %xmm15, %xmm5
#endif
maxps %xmm5, %xmm1
movaps 8 * SIZE(X), %xmm6
#ifdef USE_ABS
andps %xmm15, %xmm6
#endif
maxps %xmm6, %xmm2
movaps 12 * SIZE(X), %xmm7
#ifdef USE_ABS
andps %xmm15, %xmm7
#endif
maxps %xmm7, %xmm3
addq $16 * SIZE, X
decq I
jg .L11
ALIGN_4
.L15:
andq $15, M
jle .L20
testq $8, M
je .L16
movaps 0 * SIZE(X), %xmm4
#ifdef USE_ABS
andps %xmm15, %xmm4
#endif
maxps %xmm4, %xmm0
movaps 4 * SIZE(X), %xmm5
#ifdef USE_ABS
andps %xmm15, %xmm5
#endif
maxps %xmm5, %xmm1
addq $8 * SIZE, X
ALIGN_3
.L16:
testq $4, M
je .L17
movaps 0 * SIZE(X), %xmm6
#ifdef USE_ABS
andps %xmm15, %xmm6
#endif
maxps %xmm6, %xmm2
addq $4 * SIZE, X
ALIGN_3
.L17:
testq $2, M
je .L18
movsd 0 * SIZE(X), %xmm7
unpcklps %xmm7, %xmm7
#ifdef USE_ABS
andps %xmm15, %xmm7
#endif
maxps %xmm7, %xmm3
addq $2 * SIZE, X
.L18:
testq $1, M
je .L20
movss 0 * SIZE(X), %xmm4
#ifdef USE_ABS
andps %xmm15, %xmm4
#endif
maxss %xmm4, %xmm0
ALIGN_3
.L20:
movq XX, X
movq MM, M
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
testq $4, X
je .L21
movss 0 * SIZE(X), %xmm1
decq M
addq $SIZE, X
#ifdef USE_ABS
andps %xmm15, %xmm1
#endif
incq RET
comiss %xmm0, %xmm1
je .L999
ALIGN_3
.L21:
testq $8, X
je .L22
movss 0 * SIZE(X), %xmm1
movss 1 * SIZE(X), %xmm2
subq $2, M
addq $2 * SIZE, X
#ifdef USE_ABS
andps %xmm15, %xmm1
andps %xmm15, %xmm2
#endif
incq RET
comiss %xmm0, %xmm1
je .L999
incq RET
comiss %xmm0, %xmm2
je .L999
ALIGN_3
.L22:
movq M, I
sarq $3, I
jle .L25
ALIGN_4
.L23:
#ifdef PREFETCH
PREFETCH (PREFETCHSIZE + 0) - PREOFFSET(X)
#endif
movaps 0 * SIZE(X), %xmm1
#ifdef USE_ABS
andps %xmm15, %xmm1
#endif
cmpeqps %xmm0, %xmm1
movaps 4 * SIZE(X), %xmm3
#ifdef USE_ABS
andps %xmm15, %xmm3
#endif
cmpeqps %xmm0, %xmm3
orps %xmm3, %xmm1
#ifndef C_SUN
movmskps %xmm1, %r11
#else
.long 0xd9500f4c
#endif
testq $15, %r11
jne .L24
addq $8 * SIZE, X
addq $8, RET
decq I
jg .L23
jmp .L25
ALIGN_3
.L24:
movss 0 * SIZE(X), %xmm1
movss 1 * SIZE(X), %xmm2
movss 2 * SIZE(X), %xmm3
movss 3 * SIZE(X), %xmm4
movss 4 * SIZE(X), %xmm5
movss 5 * SIZE(X), %xmm6
movss 6 * SIZE(X), %xmm7
movss 7 * SIZE(X), %xmm8
#ifdef USE_ABS
andps %xmm15, %xmm1
andps %xmm15, %xmm2
andps %xmm15, %xmm3
andps %xmm15, %xmm4
andps %xmm15, %xmm5
andps %xmm15, %xmm6
andps %xmm15, %xmm7
andps %xmm15, %xmm8
#endif
addq $8 * SIZE, X
incq RET
comiss %xmm0, %xmm1
je .L999
incq RET
comiss %xmm0, %xmm2
je .L999
incq RET
comiss %xmm0, %xmm3
je .L999
incq RET
comiss %xmm0, %xmm4
je .L999
incq RET
comiss %xmm0, %xmm5
je .L999
incq RET
comiss %xmm0, %xmm6
je .L999
incq RET
comiss %xmm0, %xmm7
je .L999
incq RET
jmp .L999
ALIGN_4
.L25:
testq $4, M
je .L26
movss 0 * SIZE(X), %xmm1
movss 1 * SIZE(X), %xmm2
movss 2 * SIZE(X), %xmm3
movss 3 * SIZE(X), %xmm4
#ifdef USE_ABS
andps %xmm15, %xmm1
andps %xmm15, %xmm2
andps %xmm15, %xmm3
andps %xmm15, %xmm4
#endif
addq $4 * SIZE, X
incq RET
comiss %xmm0, %xmm1
je .L999
incq RET
comiss %xmm0, %xmm2
je .L999
incq RET
comiss %xmm0, %xmm3
je .L999
incq RET
comiss %xmm0, %xmm4
je .L999
ALIGN_3
.L26:
testq $2, M
je .L27
movss 0 * SIZE(X), %xmm1
movss 1 * SIZE(X), %xmm2
#ifdef USE_ABS
andps %xmm15, %xmm1
andps %xmm15, %xmm2
#endif
addq $2 * SIZE, X
incq RET
comiss %xmm0, %xmm1
je .L999
incq RET
comiss %xmm0, %xmm2
je .L999
ALIGN_3
.L27:
incq RET
jmp .L999
ALIGN_3
/* Unaligned Mode */
.L30:
movq M, I
sarq $4, I
jle .L35
ALIGN_4
.L31:
#ifdef PREFETCH
PREFETCH (PREFETCHSIZE + 0) - PREOFFSET(X)
#endif
movsd 0 * SIZE(X), %xmm4
movhps 2 * SIZE(X), %xmm4
#ifdef USE_ABS
andps %xmm15, %xmm4
#endif
maxps %xmm4, %xmm0
movsd 4 * SIZE(X), %xmm5
movhps 6 * SIZE(X), %xmm5
#ifdef USE_ABS
andps %xmm15, %xmm5
#endif
maxps %xmm5, %xmm1
movsd 8 * SIZE(X), %xmm6
movhps 10 * SIZE(X), %xmm6
#ifdef USE_ABS
andps %xmm15, %xmm6
#endif
maxps %xmm6, %xmm2
movsd 12 * SIZE(X), %xmm7
movhps 14 * SIZE(X), %xmm7
#ifdef USE_ABS
andps %xmm15, %xmm7
#endif
maxps %xmm7, %xmm3
addq $16 * SIZE, X
decq I
jg .L31
ALIGN_4
.L35:
andq $15, M
jle .L40
testq $8, M
je .L36
movsd 0 * SIZE(X), %xmm4
movhps 2 * SIZE(X), %xmm4
#ifdef USE_ABS
andps %xmm15, %xmm4
#endif
maxps %xmm4, %xmm0
movsd 4 * SIZE(X), %xmm5
movhps 6 * SIZE(X), %xmm5
#ifdef USE_ABS
andps %xmm15, %xmm5
#endif
maxps %xmm5, %xmm1
addq $8 * SIZE, X
ALIGN_3
.L36:
testq $4, M
je .L37
movsd 0 * SIZE(X), %xmm6
movhps 2 * SIZE(X), %xmm6
#ifdef USE_ABS
andps %xmm15, %xmm6
#endif
maxps %xmm6, %xmm2
addq $4 * SIZE, X
ALIGN_3
.L37:
testq $2, M
je .L38
movsd 0 * SIZE(X), %xmm7
unpcklps %xmm7, %xmm7
#ifdef USE_ABS
andps %xmm15, %xmm7
#endif
maxps %xmm7, %xmm3
addq $2 * SIZE, X
.L38:
testq $1, M
je .L40
movss 0 * SIZE(X), %xmm4
#ifdef USE_ABS
andps %xmm15, %xmm4
#endif
maxss %xmm4, %xmm0
jmp .L40
ALIGN_4
.L40:
movq XX, X
movq MM, M
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
movq M, I
sarq $3, I
jle .L45
ALIGN_4
.L43:
#ifdef PREFETCH
PREFETCH (PREFETCHSIZE + 0) - PREOFFSET(X)
#endif
movsd 0 * SIZE(X), %xmm1
movhps 2 * SIZE(X), %xmm1
#ifdef USE_ABS
andps %xmm15, %xmm1
#endif
cmpeqps %xmm0, %xmm1
movsd 4 * SIZE(X), %xmm3
movhps 6 * SIZE(X), %xmm3
#ifdef USE_ABS
andps %xmm15, %xmm3
#endif
cmpeqps %xmm0, %xmm3
orps %xmm3, %xmm1
#ifndef C_SUN
movmskps %xmm1, %r11
#else
.long 0xd9500f4c
#endif
testq $15, %r11
jne .L44
addq $8 * SIZE, X
addq $8, RET
decq I
jg .L43
jmp .L45
ALIGN_3
.L44:
movss 0 * SIZE(X), %xmm1
movss 1 * SIZE(X), %xmm2
movss 2 * SIZE(X), %xmm3
movss 3 * SIZE(X), %xmm4
movss 4 * SIZE(X), %xmm5
movss 5 * SIZE(X), %xmm6
movss 6 * SIZE(X), %xmm7
movss 7 * SIZE(X), %xmm8
#ifdef USE_ABS
andps %xmm15, %xmm1
andps %xmm15, %xmm2
andps %xmm15, %xmm3
andps %xmm15, %xmm4
andps %xmm15, %xmm5
andps %xmm15, %xmm6
andps %xmm15, %xmm7
andps %xmm15, %xmm8
#endif
addq $8 * SIZE, X
incq RET
comiss %xmm0, %xmm1
je .L999
incq RET
comiss %xmm0, %xmm2
je .L999
incq RET
comiss %xmm0, %xmm3
je .L999
incq RET
comiss %xmm0, %xmm4
je .L999
incq RET
comiss %xmm0, %xmm5
je .L999
incq RET
comiss %xmm0, %xmm6
je .L999
incq RET
comiss %xmm0, %xmm7
je .L999
incq RET
jmp .L999
ALIGN_4
.L45:
testq $4, M
je .L46
movss 0 * SIZE(X), %xmm1
movss 1 * SIZE(X), %xmm2
movss 2 * SIZE(X), %xmm3
movss 3 * SIZE(X), %xmm4
#ifdef USE_ABS
andps %xmm15, %xmm1
andps %xmm15, %xmm2
andps %xmm15, %xmm3
andps %xmm15, %xmm4
#endif
addq $4 * SIZE, X
incq RET
comiss %xmm0, %xmm1
je .L999
incq RET
comiss %xmm0, %xmm2
je .L999
incq RET
comiss %xmm0, %xmm3
je .L999
incq RET
comiss %xmm0, %xmm4
je .L999
ALIGN_3
.L46:
testq $2, M
je .L47
movss 0 * SIZE(X), %xmm1
movss 1 * SIZE(X), %xmm2
#ifdef USE_ABS
andps %xmm15, %xmm1
andps %xmm15, %xmm2
#endif
addq $2 * SIZE, X
incq RET
comiss %xmm0, %xmm1
je .L999
incq RET
comiss %xmm0, %xmm2
je .L999
ALIGN_3
.L47:
incq RET
jmp .L999
ALIGN_3
.L80:
movq M, I
sarq $3, I
jle .L85
ALIGN_4
.L81:
#ifdef PREFETCH
PREFETCH (PREFETCHSIZE + 0) - PREOFFSET(X)
#endif
movss 0 * SIZE(X), %xmm4
addq INCX, X
#ifdef USE_ABS
andps %xmm15, %xmm4
#endif
maxss %xmm4, %xmm0
movss 0 * SIZE(X), %xmm5
addq INCX, X
#ifdef USE_ABS
andps %xmm15, %xmm5
#endif
maxss %xmm5, %xmm1
movss 0 * SIZE(X), %xmm6
addq INCX, X
#ifdef USE_ABS
andps %xmm15, %xmm6
#endif
maxss %xmm6, %xmm2
movss 0 * SIZE(X), %xmm7
addq INCX, X
#ifdef USE_ABS
andps %xmm15, %xmm7
#endif
maxss %xmm7, %xmm3
movss 0 * SIZE(X), %xmm4
addq INCX, X
#ifdef USE_ABS
andps %xmm15, %xmm4
#endif
maxss %xmm4, %xmm0
movss 0 * SIZE(X), %xmm5
addq INCX, X
#ifdef USE_ABS
andps %xmm15, %xmm5
#endif
maxss %xmm5, %xmm1
movss 0 * SIZE(X), %xmm6
addq INCX, X
#ifdef USE_ABS
andps %xmm15, %xmm6
#endif
maxss %xmm6, %xmm2
movss 0 * SIZE(X), %xmm7
addq INCX, X
#ifdef USE_ABS
andps %xmm15, %xmm7
#endif
maxss %xmm7, %xmm3
decq I
jg .L81
ALIGN_4
.L85:
andq $7, M
jle .L90
testq $4, M
je .L86
movss 0 * SIZE(X), %xmm4
addq INCX, X
#ifdef USE_ABS
andps %xmm15, %xmm4
#endif
maxss %xmm4, %xmm0
movss 0 * SIZE(X), %xmm5
addq INCX, X
#ifdef USE_ABS
andps %xmm15, %xmm5
#endif
maxss %xmm5, %xmm1
movss 0 * SIZE(X), %xmm6
addq INCX, X
#ifdef USE_ABS
andps %xmm15, %xmm6
#endif
maxss %xmm6, %xmm2
movss 0 * SIZE(X), %xmm7
addq INCX, X
#ifdef USE_ABS
andps %xmm15, %xmm7
#endif
maxss %xmm7, %xmm3
ALIGN_3
.L86:
testq $2, M
je .L87
movss 0 * SIZE(X), %xmm4
addq INCX, X
#ifdef USE_ABS
andps %xmm15, %xmm4
#endif
maxss %xmm4, %xmm0
movss 0 * SIZE(X), %xmm5
addq INCX, X
#ifdef USE_ABS
andps %xmm15, %xmm5
#endif
maxss %xmm5, %xmm1
ALIGN_3
.L87:
testq $1, M
je .L90
movss 0 * SIZE(X), %xmm6
addq INCX, X
#ifdef USE_ABS
andps %xmm15, %xmm6
#endif
maxss %xmm6, %xmm2
ALIGN_4
.L90:
movq XX, X
movq MM, M
maxss %xmm1, %xmm0
maxss %xmm3, %xmm2
maxss %xmm2, %xmm0
shufps $0, %xmm0, %xmm0
movq M, I
sarq $3, I
jle .L95
ALIGN_4
.L93:
movss 0 * SIZE(X), %xmm1
addq INCX, X
#ifdef USE_ABS
andps %xmm15, %xmm1
#endif
cmpeqss %xmm0, %xmm1
movss 0 * SIZE(X), %xmm2
addq INCX, X
#ifdef USE_ABS
andps %xmm15, %xmm2
#endif
cmpeqss %xmm0, %xmm2
movss 0 * SIZE(X), %xmm3
addq INCX, X
#ifdef USE_ABS
andps %xmm15, %xmm3
#endif
cmpeqss %xmm0, %xmm3
movss 0 * SIZE(X), %xmm4
addq INCX, X
#ifdef USE_ABS
andps %xmm15, %xmm4
#endif
cmpeqss %xmm0, %xmm4
movss 0 * SIZE(X), %xmm5
addq INCX, X
#ifdef USE_ABS
andps %xmm15, %xmm5
#endif
cmpeqps %xmm0, %xmm5
movss 0 * SIZE(X), %xmm6
addq INCX, X
#ifdef USE_ABS
andps %xmm15, %xmm6
#endif
cmpeqss %xmm0, %xmm6
movss 0 * SIZE(X), %xmm7
addq INCX, X
#ifdef USE_ABS
andps %xmm15, %xmm7
#endif
cmpeqss %xmm0, %xmm7
movss 0 * SIZE(X), %xmm8
addq INCX, X
#ifdef USE_ABS
andps %xmm15, %xmm8
#endif
cmpeqss %xmm0, %xmm8
orps %xmm2, %xmm1
orps %xmm4, %xmm3
orps %xmm6, %xmm5
orps %xmm8, %xmm7
orps %xmm3, %xmm1
orps %xmm7, %xmm5
orps %xmm5, %xmm1
#ifndef C_SUN
movmskps %xmm1, %r11
#else
.long 0xd9500f4c
#endif
testq $15, %r11
jne .L94
addq $8, RET
decq I
jg .L93
jmp .L95
ALIGN_3
.L94:
subq INCX, X
movss 0 * SIZE(X), %xmm8
subq INCX, X
movss 0 * SIZE(X), %xmm7
subq INCX, X
movss 0 * SIZE(X), %xmm6
subq INCX, X
movss 0 * SIZE(X), %xmm5
subq INCX, X
movss 0 * SIZE(X), %xmm4
subq INCX, X
movss 0 * SIZE(X), %xmm3
subq INCX, X
movss 0 * SIZE(X), %xmm2
subq INCX, X
movss 0 * SIZE(X), %xmm1
#ifdef USE_ABS
andps %xmm15, %xmm1
andps %xmm15, %xmm2
andps %xmm15, %xmm3
andps %xmm15, %xmm4
andps %xmm15, %xmm5
andps %xmm15, %xmm6
andps %xmm15, %xmm7
andps %xmm15, %xmm8
#endif
incq RET
comiss %xmm0, %xmm1
je .L999
incq RET
comiss %xmm0, %xmm2
je .L999
incq RET
comiss %xmm0, %xmm3
je .L999
incq RET
comiss %xmm0, %xmm4
je .L999
incq RET
comiss %xmm0, %xmm5
je .L999
incq RET
comiss %xmm0, %xmm6
je .L999
incq RET
comiss %xmm0, %xmm7
je .L999
incq RET
jmp .L999
ALIGN_4
.L95:
testq $4, M
je .L96
movss 0 * SIZE(X), %xmm1
addq INCX, X
movss 0 * SIZE(X), %xmm2
addq INCX, X
movss 0 * SIZE(X), %xmm3
addq INCX, X
movss 0 * SIZE(X), %xmm4
addq INCX, X
#ifdef USE_ABS
andps %xmm15, %xmm1
andps %xmm15, %xmm2
andps %xmm15, %xmm3
andps %xmm15, %xmm4
#endif
incq RET
comiss %xmm0, %xmm1
je .L999
incq RET
comiss %xmm0, %xmm2
je .L999
incq RET
comiss %xmm0, %xmm3
je .L999
incq RET
comiss %xmm0, %xmm4
je .L999
ALIGN_3
.L96:
testq $2, M
je .L97
movss 0 * SIZE(X), %xmm1
addq INCX, X
movss 0 * SIZE(X), %xmm2
addq INCX, X
#ifdef USE_ABS
andps %xmm15, %xmm1
andps %xmm15, %xmm2
#endif
incq RET
comiss %xmm0, %xmm1
je .L999
incq RET
comiss %xmm0, %xmm2
je .L999
ALIGN_3
.L97:
incq RET
ALIGN_3
.L999:
RESTOREREGISTERS
ret
EPILOGUE