/*********************************************************************/
/* 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 N ARG1
#define X ARG4
#define INCX ARG5
#define I %rax
#include "l1param.h"
PROLOGUE
PROFCODE
salq $ZBASE_SHIFT, INCX
FLD 8(%rsp)
FLD 24(%rsp)
testq N, N
jle .L999
fld %st(1)
fabs
fld %st(1)
fabs
faddp %st, %st(1)
fldz
fcomip %st(1), %st
ffreep %st
jne .L30
EMMS
pxor %mm0, %mm0
cmpq $2 * SIZE, INCX
jne .L20
movq N, I
sarq $2, I
jle .L15
ALIGN_4
.L12:
#ifdef PREFETCHW
PREFETCHW (PREFETCHSIZE + 0) - PREOFFSET(X)
#endif
movq %mm0, 0(X)
movq %mm0, 8(X)
movq %mm0, 16(X)
movq %mm0, 24(X)
movq %mm0, 32(X)
movq %mm0, 40(X)
movq %mm0, 48(X)
movq %mm0, 56(X)
movq %mm0, 64(X)
movq %mm0, 72(X)
movq %mm0, 80(X)
movq %mm0, 88(X)
movq %mm0, 96(X)
movq %mm0, 104(X)
movq %mm0, 112(X)
movq %mm0, 120(X)
addq $8 * SIZE, X
decq I
jg .L12
ALIGN_3
.L15:
movq N, I
andq $3, I
jle .L18
ALIGN_2
.L16:
movq %mm0, 0(X)
movq %mm0, 8(X)
movq %mm0, 16(X)
movq %mm0, 24(X)
addq $2 * SIZE, X
decq I
jg .L16
.L18:
EMMS
ret
ALIGN_2
.L20:
movq N, I
sarq $2, I
jle .L25
ALIGN_3
.L22:
movq %mm0, 0(X)
movq %mm0, 8(X)
movq %mm0, 16(X)
movq %mm0, 24(X)
addq INCX, X
movq %mm0, 0(X)
movq %mm0, 8(X)
movq %mm0, 16(X)
movq %mm0, 24(X)
addq INCX, X
movq %mm0, 0(X)
movq %mm0, 8(X)
movq %mm0, 16(X)
movq %mm0, 24(X)
addq INCX, X
movq %mm0, 0(X)
movq %mm0, 8(X)
movq %mm0, 16(X)
movq %mm0, 24(X)
addq INCX, X
decq I
jg .L22
ALIGN_3
.L25:
movq N, I
andq $3, I
jle .L28
ALIGN_3
.L26:
movq %mm0, 0(X)
movq %mm0, 8(X)
movq %mm0, 16(X)
movq %mm0, 24(X)
addq INCX, X
decq I
jg .L26
.L28:
EMMS
ret
ALIGN_3
.L30:
movq N, I
ALIGN_2
.L32:
#ifdef PREFETCHW
PREFETCHW (PREFETCHSIZE + 0) - PREOFFSET(X)
#endif
FLD 0 * SIZE(X)
fmul %st(1),%st
FLD 1 * SIZE(X)
fmul %st(3),%st
faddp %st,%st(1)
FLD 0 * SIZE(X)
fmul %st(3),%st
FLD 1 * SIZE(X)
fmul %st(3),%st
fsubrp %st,%st(1)
FST 0 * SIZE(X)
FST 1 * SIZE(X)
addq INCX, X
decq I
jg .L32
ALIGN_2
.L999:
ffreep %st
ffreep %st
ret
EPILOGUE