/*********************************************************************/
/* 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 I %rax
#ifdef USE_MIN
#define maxps minps
#define maxss minss
#endif
#include "l1param.h"
PROLOGUE
PROFCODE
SAVEREGISTERS
xorps %xmm0, %xmm0
leaq (, INCX, SIZE), INCX
testq M, M
jle .L999
#ifdef USE_ABS
pcmpeqb %xmm15, %xmm15
psrld $1, %xmm15
#endif
movss (X), %xmm0
shufps $0, %xmm0, %xmm0
#ifdef USE_ABS
andps %xmm15, %xmm0
#endif
movaps %xmm0, %xmm1
movaps %xmm0, %xmm2
movaps %xmm0, %xmm3
addq INCX, X
decq M
jle .L999
cmpq $SIZE, INCX
jne .L40
subq $-32 * SIZE, X
cmpq $3, M
jle .L17
testq $SIZE, X
je .L05
movss -32 * SIZE(X), %xmm1
shufps $0, %xmm1, %xmm1
#ifdef USE_ABS
andps %xmm15, %xmm1
#endif
decq M
addq $SIZE, X
ALIGN_3
.L05:
testq $2 * SIZE, X
je .L06
movsd -32 * SIZE(X), %xmm2
unpcklps %xmm2, %xmm2
#ifdef USE_ABS
andps %xmm15, %xmm2
#endif
subq $2, M
addq $2 * SIZE, X
ALIGN_3
.L06:
movq M, I
sarq $5, I
jle .L15
movaps -32 * SIZE(X), %xmm4
movaps -28 * SIZE(X), %xmm5
movaps -24 * SIZE(X), %xmm6
movaps -20 * SIZE(X), %xmm7
decq I
jle .L12
ALIGN_4
.L11:
#ifdef PREFETCH
PREFETCH (PREFETCHSIZE + 0) - PREOFFSET(X)
#endif
#ifdef USE_ABS
andps %xmm15, %xmm4
#endif
maxps %xmm4, %xmm0
movaps -16 * SIZE(X), %xmm4
#ifdef USE_ABS
andps %xmm15, %xmm5
#endif
maxps %xmm5, %xmm1
movaps -12 * SIZE(X), %xmm5
#ifdef USE_ABS
andps %xmm15, %xmm6
#endif
maxps %xmm6, %xmm2
movaps -8 * SIZE(X), %xmm6
#ifdef USE_ABS
andps %xmm15, %xmm7
#endif
maxps %xmm7, %xmm3
movaps -4 * SIZE(X), %xmm7
#if defined(PREFETCH) && !defined(FETCH128)
PREFETCH (PREFETCHSIZE + 64) - PREOFFSET(X)
#endif
#ifdef USE_ABS
andps %xmm15, %xmm4
#endif
maxps %xmm4, %xmm0
movaps 0 * SIZE(X), %xmm4
#ifdef USE_ABS
andps %xmm15, %xmm5
#endif
maxps %xmm5, %xmm1
movaps 4 * SIZE(X), %xmm5
#ifdef USE_ABS
andps %xmm15, %xmm6
#endif
maxps %xmm6, %xmm2
movaps 8 * SIZE(X), %xmm6
#ifdef USE_ABS
andps %xmm15, %xmm7
#endif
maxps %xmm7, %xmm3
movaps 12 * SIZE(X), %xmm7
subq $-32 * SIZE, X
decq I
jg .L11
ALIGN_4
.L12:
#ifdef USE_ABS
andps %xmm15, %xmm4
#endif
maxps %xmm4, %xmm0
movaps -16 * SIZE(X), %xmm4
#ifdef USE_ABS
andps %xmm15, %xmm5
#endif
maxps %xmm5, %xmm1
movaps -12 * SIZE(X), %xmm5
#ifdef USE_ABS
andps %xmm15, %xmm6
#endif
maxps %xmm6, %xmm2
movaps -8 * SIZE(X), %xmm6
#ifdef USE_ABS
andps %xmm15, %xmm7
#endif
maxps %xmm7, %xmm3
movaps -4 * SIZE(X), %xmm7
#ifdef USE_ABS
andps %xmm15, %xmm4
#endif
maxps %xmm4, %xmm0
#ifdef USE_ABS
andps %xmm15, %xmm5
#endif
maxps %xmm5, %xmm1
#ifdef USE_ABS
andps %xmm15, %xmm6
#endif
maxps %xmm6, %xmm2
#ifdef USE_ABS
andps %xmm15, %xmm7
#endif
maxps %xmm7, %xmm3
subq $-32 * SIZE, X
ALIGN_3
.L15:
testq $16, M
je .L16
movaps -32 * SIZE(X), %xmm4
#ifdef USE_ABS
andps %xmm15, %xmm4
#endif
maxps %xmm4, %xmm0
movaps -28 * SIZE(X), %xmm5
#ifdef USE_ABS
andps %xmm15, %xmm5
#endif
maxps %xmm5, %xmm1
movaps -24 * SIZE(X), %xmm6
#ifdef USE_ABS
andps %xmm15, %xmm6
#endif
maxps %xmm6, %xmm2
movaps -20 * SIZE(X), %xmm7
#ifdef USE_ABS
andps %xmm15, %xmm7
#endif
maxps %xmm7, %xmm3
addq $16 * SIZE, X
ALIGN_3
.L16:
testq $8, M
je .L17
movaps -32 * SIZE(X), %xmm4
#ifdef USE_ABS
andps %xmm15, %xmm4
#endif
maxps %xmm4, %xmm0
movaps -28 * SIZE(X), %xmm5
#ifdef USE_ABS
andps %xmm15, %xmm5
#endif
maxps %xmm5, %xmm1
addq $8 * SIZE, X
ALIGN_3
.L17:
testq $4, M
je .L18
movaps -32 * SIZE(X), %xmm4
#ifdef USE_ABS
andps %xmm15, %xmm4
#endif
maxps %xmm4, %xmm2
addq $4 * SIZE, X
ALIGN_3
.L18:
testq $2, M
je .L19
movsd -32 * SIZE(X), %xmm4
unpcklps %xmm4, %xmm4
#ifdef USE_ABS
andps %xmm15, %xmm4
#endif
maxps %xmm4, %xmm3
addq $2 * SIZE, X
ALIGN_3
.L19:
testq $1, M
je .L998
movss -32 * SIZE(X), %xmm4
#ifdef USE_ABS
andps %xmm15, %xmm4
#endif
maxss %xmm4, %xmm0
jmp .L998
ALIGN_3
.L40:
movq M, I
sarq $3, I
jle .L45
ALIGN_4
.L41:
movss (X), %xmm4
addq INCX, X
#ifdef USE_ABS
andps %xmm15, %xmm4
#endif
maxss %xmm4, %xmm0
movss (X), %xmm5
addq INCX, X
#ifdef USE_ABS
andps %xmm15, %xmm5
#endif
maxss %xmm5, %xmm1
movss (X), %xmm6
addq INCX, X
#ifdef USE_ABS
andps %xmm15, %xmm6
#endif
maxss %xmm6, %xmm2
movss (X), %xmm7
addq INCX, X
#ifdef USE_ABS
andps %xmm15, %xmm7
#endif
maxss %xmm7, %xmm3
movss (X), %xmm4
addq INCX, X
#ifdef USE_ABS
andps %xmm15, %xmm4
#endif
maxss %xmm4, %xmm0
movss (X), %xmm5
addq INCX, X
#ifdef USE_ABS
andps %xmm15, %xmm5
#endif
maxss %xmm5, %xmm1
movss (X), %xmm6
addq INCX, X
#ifdef USE_ABS
andps %xmm15, %xmm6
#endif
maxss %xmm6, %xmm2
movss (X), %xmm7
addq INCX, X
#ifdef USE_ABS
andps %xmm15, %xmm7
#endif
maxss %xmm7, %xmm3
decq I
jg .L41
ALIGN_4
.L45:
testq $4, M
je .L46
movss (X), %xmm4
addq INCX, X
#ifdef USE_ABS
andps %xmm15, %xmm4
#endif
maxss %xmm4, %xmm0
movss (X), %xmm5
addq INCX, X
#ifdef USE_ABS
andps %xmm15, %xmm5
#endif
maxss %xmm5, %xmm1
movss (X), %xmm6
addq INCX, X
#ifdef USE_ABS
andps %xmm15, %xmm6
#endif
maxss %xmm6, %xmm2
movss (X), %xmm7
addq INCX, X
#ifdef USE_ABS
andps %xmm15, %xmm7
#endif
maxss %xmm7, %xmm3
ALIGN_3
.L46:
testq $2, M
je .L47
movss (X), %xmm4
addq INCX, X
#ifdef USE_ABS
andps %xmm15, %xmm4
#endif
maxss %xmm4, %xmm0
movss (X), %xmm5
addq INCX, X
#ifdef USE_ABS
andps %xmm15, %xmm5
#endif
maxss %xmm5, %xmm1
ALIGN_3
.L47:
testq $1, M
je .L998
movss (X), %xmm4
addq INCX, X
#ifdef USE_ABS
andps %xmm15, %xmm4
#endif
maxss %xmm4, %xmm2
ALIGN_4
.L998:
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
ALIGN_4
.L999:
RESTOREREGISTERS
ret
EPILOGUE