223 lines
4.7 KiB
ArmAsm
223 lines
4.7 KiB
ArmAsm
/*********************************************************************/
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/* Copyright 2009, 2010 The University of Texas at Austin. */
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/* All rights reserved. */
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/* */
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/* Redistribution and use in source and binary forms, with or */
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/* without modification, are permitted provided that the following */
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/* conditions are met: */
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/* */
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/* 1. Redistributions of source code must retain the above */
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/* copyright notice, this list of conditions and the following */
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/* disclaimer. */
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/* */
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/* 2. Redistributions in binary form must reproduce the above */
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/* copyright notice, this list of conditions and the following */
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/* disclaimer in the documentation and/or other materials */
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/* provided with the distribution. */
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/* */
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/* THIS SOFTWARE IS PROVIDED BY THE UNIVERSITY OF TEXAS AT */
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/* AUSTIN ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, */
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/* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF */
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/* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE */
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/* DISCLAIMED. IN NO EVENT SHALL THE UNIVERSITY OF TEXAS AT */
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/* AUSTIN OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, */
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/* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES */
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/* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE */
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/* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR */
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/* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF */
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/* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT */
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/* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT */
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/* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE */
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/* POSSIBILITY OF SUCH DAMAGE. */
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/* */
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/* The views and conclusions contained in the software and */
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/* documentation are those of the authors and should not be */
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/* interpreted as representing official policies, either expressed */
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/* or implied, of The University of Texas at Austin. */
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/*********************************************************************/
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#define ASSEMBLER
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#include "common.h"
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#define N ARG1
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#define X ARG4
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#define INCX ARG5
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#define I %rax
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#include "l1param.h"
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PROLOGUE
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PROFCODE
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salq $ZBASE_SHIFT, INCX
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FLD 8(%rsp)
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FLD 24(%rsp)
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testq N, N
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jle .L999
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fld %st(1)
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fabs
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fld %st(1)
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fabs
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faddp %st, %st(1)
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fldz
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fcomip %st(1), %st
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ffreep %st
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jne .L30
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EMMS
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pxor %mm0, %mm0
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cmpq $2 * SIZE, INCX
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jne .L20
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movq N, I
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sarq $2, I
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jle .L15
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ALIGN_4
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.L12:
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#ifdef PREFETCHW
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PREFETCHW (PREFETCHSIZE + 0) - PREOFFSET(X)
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#endif
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movq %mm0, 0(X)
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movq %mm0, 8(X)
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movq %mm0, 16(X)
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movq %mm0, 24(X)
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movq %mm0, 32(X)
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movq %mm0, 40(X)
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movq %mm0, 48(X)
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movq %mm0, 56(X)
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movq %mm0, 64(X)
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movq %mm0, 72(X)
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movq %mm0, 80(X)
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movq %mm0, 88(X)
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movq %mm0, 96(X)
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movq %mm0, 104(X)
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movq %mm0, 112(X)
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movq %mm0, 120(X)
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addq $8 * SIZE, X
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decq I
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jg .L12
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ALIGN_3
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.L15:
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movq N, I
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andq $3, I
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jle .L18
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ALIGN_2
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.L16:
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movq %mm0, 0(X)
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movq %mm0, 8(X)
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movq %mm0, 16(X)
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movq %mm0, 24(X)
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addq $2 * SIZE, X
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decq I
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jg .L16
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.L18:
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EMMS
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ret
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ALIGN_2
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.L20:
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movq N, I
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sarq $2, I
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jle .L25
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ALIGN_3
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.L22:
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movq %mm0, 0(X)
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movq %mm0, 8(X)
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movq %mm0, 16(X)
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movq %mm0, 24(X)
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addq INCX, X
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movq %mm0, 0(X)
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movq %mm0, 8(X)
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movq %mm0, 16(X)
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movq %mm0, 24(X)
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addq INCX, X
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movq %mm0, 0(X)
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movq %mm0, 8(X)
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movq %mm0, 16(X)
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movq %mm0, 24(X)
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addq INCX, X
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movq %mm0, 0(X)
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movq %mm0, 8(X)
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movq %mm0, 16(X)
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movq %mm0, 24(X)
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addq INCX, X
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decq I
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jg .L22
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ALIGN_3
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.L25:
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movq N, I
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andq $3, I
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jle .L28
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ALIGN_3
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.L26:
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movq %mm0, 0(X)
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movq %mm0, 8(X)
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movq %mm0, 16(X)
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movq %mm0, 24(X)
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addq INCX, X
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decq I
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jg .L26
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.L28:
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EMMS
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ret
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ALIGN_3
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.L30:
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movq N, I
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ALIGN_2
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.L32:
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#ifdef PREFETCHW
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PREFETCHW (PREFETCHSIZE + 0) - PREOFFSET(X)
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#endif
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FLD 0 * SIZE(X)
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fmul %st(1),%st
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FLD 1 * SIZE(X)
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fmul %st(3),%st
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faddp %st,%st(1)
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FLD 0 * SIZE(X)
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fmul %st(3),%st
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FLD 1 * SIZE(X)
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fmul %st(3),%st
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fsubrp %st,%st(1)
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FST 0 * SIZE(X)
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FST 1 * SIZE(X)
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addq INCX, X
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decq I
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jg .L32
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ALIGN_2
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.L999:
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ffreep %st
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ffreep %st
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ret
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EPILOGUE
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