/*********************************************************************/
/* 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 maxsd minsd
#endif
#include "l1param.h"
PROLOGUE
PROFCODE
SAVEREGISTERS
xorps %xmm0, %xmm0
leaq (, INCX, SIZE), INCX
testq M, M
jle .L999
testq INCX, INCX
jle .L999
#ifdef USE_ABS
pcmpeqb %xmm15, %xmm15
psrlq $1, %xmm15
#endif
movsd (X), %xmm0
addq INCX, X
#ifdef USE_ABS
andps %xmm15, %xmm0
#endif
decq M
jle .L999
movaps %xmm0, %xmm1
movaps %xmm0, %xmm2
movaps %xmm0, %xmm3
cmpq $SIZE, INCX
jne .L20
movq M, I
sarq $3, I
jle .L15
movsd 0 * SIZE(X), %xmm4
movsd 1 * SIZE(X), %xmm5
movsd 2 * SIZE(X), %xmm6
movsd 3 * SIZE(X), %xmm7
movsd 4 * SIZE(X), %xmm8
movsd 5 * SIZE(X), %xmm9
movsd 6 * SIZE(X), %xmm10
movsd 7 * SIZE(X), %xmm11
decq I
jle .L13
ALIGN_4
.L12:
#ifdef PREFETCH
PREFETCH (PREFETCHSIZE + 0) - PREOFFSET(X)
#endif
#ifdef USE_ABS
andps %xmm15, %xmm4
#endif
maxsd %xmm4, %xmm1
movsd 8 * SIZE(X), %xmm4
#ifdef USE_ABS
andps %xmm15, %xmm5
#endif
maxsd %xmm5, %xmm2
movsd 9 * SIZE(X), %xmm5
#ifdef USE_ABS
andps %xmm15, %xmm6
#endif
maxsd %xmm6, %xmm1
movsd 10 * SIZE(X), %xmm6
#ifdef USE_ABS
andps %xmm15, %xmm7
#endif
maxsd %xmm7, %xmm2
movsd 11 * SIZE(X), %xmm7
#ifdef USE_ABS
andps %xmm15, %xmm8
#endif
maxsd %xmm8, %xmm1
movsd 12 * SIZE(X), %xmm8
#ifdef USE_ABS
andps %xmm15, %xmm9
#endif
maxsd %xmm9, %xmm2
movsd 13 * SIZE(X), %xmm9
#ifdef USE_ABS
andps %xmm15, %xmm10
#endif
maxsd %xmm10, %xmm1
movsd 14 * SIZE(X), %xmm10
#ifdef USE_ABS
andps %xmm15, %xmm11
#endif
maxsd %xmm11, %xmm2
movsd 15 * SIZE(X), %xmm11
addq $8 * SIZE, X
decq I
jg .L12
ALIGN_4
.L13:
#ifdef USE_ABS
andps %xmm15, %xmm4
#endif
maxsd %xmm4, %xmm0
#ifdef USE_ABS
andps %xmm15, %xmm5
#endif
maxsd %xmm5, %xmm1
#ifdef USE_ABS
andps %xmm15, %xmm6
#endif
maxsd %xmm6, %xmm2
#ifdef USE_ABS
andps %xmm15, %xmm7
#endif
maxsd %xmm7, %xmm3
#ifdef USE_ABS
andps %xmm15, %xmm8
#endif
maxsd %xmm8, %xmm0
#ifdef USE_ABS
andps %xmm15, %xmm9
#endif
maxsd %xmm9, %xmm1
#ifdef USE_ABS
andps %xmm15, %xmm10
#endif
maxsd %xmm10, %xmm2
#ifdef USE_ABS
andps %xmm15, %xmm11
#endif
maxsd %xmm11, %xmm3
addq $8 * SIZE, X
ALIGN_4
.L15:
testq $4, M
jle .L17
movsd 0 * SIZE(X), %xmm4
movsd 1 * SIZE(X), %xmm5
movsd 2 * SIZE(X), %xmm6
movsd 3 * SIZE(X), %xmm7
#ifdef USE_ABS
andps %xmm15, %xmm4
#endif
maxsd %xmm4, %xmm0
#ifdef USE_ABS
andps %xmm15, %xmm5
#endif
maxsd %xmm5, %xmm1
#ifdef USE_ABS
andps %xmm15, %xmm6
#endif
maxsd %xmm6, %xmm2
#ifdef USE_ABS
andps %xmm15, %xmm7
#endif
maxsd %xmm7, %xmm3
addq $4 * SIZE, X
ALIGN_3
.L17:
testq $2, M
jle .L18
movsd 0 * SIZE(X), %xmm4
movsd 1 * SIZE(X), %xmm5
#ifdef USE_ABS
andps %xmm15, %xmm4
#endif
maxsd %xmm4, %xmm1
#ifdef USE_ABS
andps %xmm15, %xmm5
#endif
maxsd %xmm5, %xmm2
addq $2 * SIZE, X
ALIGN_3
.L18:
testq $1, M
jle .L998
movsd 0 * SIZE(X), %xmm4
#ifdef USE_ABS
andps %xmm15, %xmm4
#endif
maxsd %xmm4, %xmm3
jmp .L998
ALIGN_3
.L20:
movq M, I
sarq $3, I
jle .L25
movsd (X), %xmm4
addq INCX, X
movsd (X), %xmm5
addq INCX, X
movsd (X), %xmm6
addq INCX, X
movsd (X), %xmm7
addq INCX, X
movsd (X), %xmm8
addq INCX, X
movsd (X), %xmm9
addq INCX, X
movsd (X), %xmm10
addq INCX, X
movsd (X), %xmm11
decq I
jle .L23
ALIGN_4
.L22:
#ifdef USE_ABS
andps %xmm15, %xmm4
#endif
addq INCX, X
maxsd %xmm4, %xmm1
movsd (X), %xmm4
#ifdef USE_ABS
andps %xmm15, %xmm5
#endif
addq INCX, X
maxsd %xmm5, %xmm2
movsd (X), %xmm5
#ifdef USE_ABS
andps %xmm15, %xmm6
#endif
addq INCX, X
maxsd %xmm6, %xmm1
movsd (X), %xmm6
#ifdef USE_ABS
andps %xmm15, %xmm7
#endif
addq INCX, X
maxsd %xmm7, %xmm2
movsd (X), %xmm7
#ifdef USE_ABS
andps %xmm15, %xmm8
#endif
addq INCX, X
maxsd %xmm8, %xmm1
movsd (X), %xmm8
#ifdef USE_ABS
andps %xmm15, %xmm9
#endif
addq INCX, X
maxsd %xmm9, %xmm2
movsd (X), %xmm9
#ifdef USE_ABS
andps %xmm15, %xmm10
#endif
addq INCX, X
maxsd %xmm10, %xmm1
movsd (X), %xmm10
#ifdef USE_ABS
andps %xmm15, %xmm11
#endif
addq INCX, X
maxsd %xmm11, %xmm2
movsd (X), %xmm11
decq I
jg .L22
ALIGN_4
.L23:
#ifdef USE_ABS
andps %xmm15, %xmm4
#endif
addq INCX, X
maxsd %xmm4, %xmm0
#ifdef USE_ABS
andps %xmm15, %xmm5
#endif
maxsd %xmm5, %xmm1
#ifdef USE_ABS
andps %xmm15, %xmm6
#endif
maxsd %xmm6, %xmm2
#ifdef USE_ABS
andps %xmm15, %xmm7
#endif
maxsd %xmm7, %xmm3
#ifdef USE_ABS
andps %xmm15, %xmm8
#endif
maxsd %xmm8, %xmm0
#ifdef USE_ABS
andps %xmm15, %xmm9
#endif
maxsd %xmm9, %xmm1
#ifdef USE_ABS
andps %xmm15, %xmm10
#endif
maxsd %xmm10, %xmm2
#ifdef USE_ABS
andps %xmm15, %xmm11
#endif
maxsd %xmm11, %xmm3
ALIGN_4
.L25:
testq $4, M
jle .L27
movsd (X), %xmm4
addq INCX, X
movsd (X), %xmm5
addq INCX, X
movsd (X), %xmm6
addq INCX, X
movsd (X), %xmm7
addq INCX, X
#ifdef USE_ABS
andps %xmm15, %xmm4
#endif
maxsd %xmm4, %xmm0
#ifdef USE_ABS
andps %xmm15, %xmm5
#endif
maxsd %xmm5, %xmm1
#ifdef USE_ABS
andps %xmm15, %xmm6
#endif
maxsd %xmm6, %xmm2
#ifdef USE_ABS
andps %xmm15, %xmm7
#endif
maxsd %xmm7, %xmm3
ALIGN_3
.L27:
testq $2, M
jle .L28
movsd (X), %xmm4
addq INCX, X
movsd (X), %xmm5
addq INCX, X
#ifdef USE_ABS
andps %xmm15, %xmm4
#endif
maxsd %xmm4, %xmm1
#ifdef USE_ABS
andps %xmm15, %xmm5
#endif
maxsd %xmm5, %xmm2
ALIGN_3
.L28:
testq $1, M
jle .L998
movsd (X), %xmm4
addq INCX, X
#ifdef USE_ABS
andps %xmm15, %xmm4
#endif
maxsd %xmm4, %xmm3
ALIGN_3
.L998:
maxsd %xmm1, %xmm0
maxsd %xmm3, %xmm2
maxsd %xmm2, %xmm0
ALIGN_4
.L999:
RESTOREREGISTERS
ret
EPILOGUE