/*********************************************************************/
/* 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
pxor %xmm0, %xmm0
salq $ZBASE_SHIFT, INCX
testq M, M
jle .L999
pcmpeqb %xmm15, %xmm15
psrld $1, %xmm15
movss 0 * SIZE(X), %xmm0
movss 1 * SIZE(X), %xmm1
addq INCX, X
decq M
andps %xmm15, %xmm0
andps %xmm15, %xmm1
addps %xmm1, %xmm0
shufps $0, %xmm0, %xmm0
movaps %xmm0, %xmm1
cmpq $2 * SIZE, INCX
jne .L40
.L30:
movq M, I
sarq $3, I
jle .L35
ALIGN_4
.L31:
#ifdef PREFETCH
PREFETCH (PREFETCHSIZE + 0) - PREOFFSET(X)
#endif
movsd 0 * SIZE(X), %xmm4
movhps 2 * SIZE(X), %xmm4
movsd 4 * SIZE(X), %xmm5
movhps 6 * SIZE(X), %xmm5
movaps %xmm4, %xmm6
shufps $0x88, %xmm5, %xmm4
shufps $0xdd, %xmm5, %xmm6
andps %xmm15, %xmm4
andps %xmm15, %xmm6
addps %xmm6, %xmm4
maxps %xmm4, %xmm0
movsd 8 * SIZE(X), %xmm7
movhps 10 * SIZE(X), %xmm7
movsd 12 * SIZE(X), %xmm8
movhps 14 * SIZE(X), %xmm8
movaps %xmm7, %xmm9
shufps $0x88, %xmm8, %xmm7
shufps $0xdd, %xmm8, %xmm9
andps %xmm15, %xmm7
andps %xmm15, %xmm9
addps %xmm9, %xmm7
maxps %xmm7, %xmm0
addq $16 * SIZE, X
decq I
jg .L31
ALIGN_4
.L35:
andq $7, M
jle .L998
testq $4, M
je .L36
movsd 0 * SIZE(X), %xmm4
movhps 2 * SIZE(X), %xmm4
movsd 4 * SIZE(X), %xmm5
movhps 6 * SIZE(X), %xmm5
movaps %xmm4, %xmm6
shufps $0x88, %xmm5, %xmm4
shufps $0xdd, %xmm5, %xmm6
andps %xmm15, %xmm4
andps %xmm15, %xmm6
addps %xmm6, %xmm4
maxps %xmm4, %xmm0
addq $8 * SIZE, X
ALIGN_3
.L36:
testq $2, M
je .L37
movss 0 * SIZE(X), %xmm4
movss 1 * SIZE(X), %xmm5
movss 2 * SIZE(X), %xmm6
movss 3 * SIZE(X), %xmm7
andps %xmm15, %xmm4
andps %xmm15, %xmm5
andps %xmm15, %xmm6
andps %xmm15, %xmm7
addps %xmm5, %xmm4
addps %xmm7, %xmm6
maxss %xmm4, %xmm0
maxss %xmm6, %xmm1
addq $4 * SIZE, X
ALIGN_3
.L37:
testq $1, M
je .L998
movss 0 * SIZE(X), %xmm4
movss 1 * SIZE(X), %xmm5
andps %xmm15, %xmm4
andps %xmm15, %xmm5
addps %xmm5, %xmm4
maxss %xmm4, %xmm0
jmp .L998
ALIGN_4
.L40:
movq M, I
sarq $3, I
jle .L45
ALIGN_4
.L41:
#ifdef PREFETCH
PREFETCH (PREFETCHSIZE + 0) - PREOFFSET(X)
#endif
movsd 0 * SIZE(X), %xmm4
addq INCX, X
movhps 0 * SIZE(X), %xmm4
addq INCX, X
movsd 0 * SIZE(X), %xmm5
addq INCX, X
movhps 0 * SIZE(X), %xmm5
addq INCX, X
movaps %xmm4, %xmm6
shufps $0x88, %xmm5, %xmm4
shufps $0xdd, %xmm5, %xmm6
andps %xmm15, %xmm4
andps %xmm15, %xmm6
addps %xmm6, %xmm4
maxps %xmm4, %xmm0
movsd 0 * SIZE(X), %xmm7
addq INCX, X
movhps 0 * SIZE(X), %xmm7
addq INCX, X
movsd 0 * SIZE(X), %xmm8
addq INCX, X
movhps 0 * SIZE(X), %xmm8
addq INCX, X
movaps %xmm7, %xmm9
shufps $0x88, %xmm8, %xmm7
shufps $0xdd, %xmm8, %xmm9
andps %xmm15, %xmm7
andps %xmm15, %xmm9
addps %xmm9, %xmm7
maxps %xmm7, %xmm0
decq I
jg .L41
ALIGN_4
.L45:
andq $7, M
jle .L998
testq $4, M
je .L46
movsd 0 * SIZE(X), %xmm4
addq INCX, X
movhps 0 * SIZE(X), %xmm4
addq INCX, X
movsd 0 * SIZE(X), %xmm5
addq INCX, X
movhps 0 * SIZE(X), %xmm5
addq INCX, X
movaps %xmm4, %xmm6
shufps $0x88, %xmm5, %xmm4
shufps $0xdd, %xmm5, %xmm6
andps %xmm15, %xmm4
andps %xmm15, %xmm6
addps %xmm6, %xmm4
maxps %xmm4, %xmm0
ALIGN_3
.L46:
testq $2, M
je .L47
movss 0 * SIZE(X), %xmm4
movss 1 * SIZE(X), %xmm5
addq INCX, X
movss 0 * SIZE(X), %xmm6
movss 1 * SIZE(X), %xmm7
addq INCX, X
andps %xmm15, %xmm4
andps %xmm15, %xmm5
andps %xmm15, %xmm6
andps %xmm15, %xmm7
addps %xmm5, %xmm4
addps %xmm7, %xmm6
maxss %xmm4, %xmm0
maxss %xmm6, %xmm1
ALIGN_3
.L47:
testq $1, M
je .L998
movss 0 * SIZE(X), %xmm4
movss 1 * SIZE(X), %xmm5
andps %xmm15, %xmm4
andps %xmm15, %xmm5
addps %xmm5, %xmm4
maxss %xmm4, %xmm0
jmp .L998
ALIGN_4
.L998:
maxps %xmm1, %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