336 lines
7 KiB
ArmAsm
336 lines
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 M ARG1 /* rdi */
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#define X ARG2 /* rsi */
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#define INCX ARG3 /* rdx */
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#define I %rax
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#ifdef USE_MIN
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#define maxsd minsd
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#endif
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#include "l1param.h"
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PROLOGUE
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PROFCODE
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SAVEREGISTERS
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xorps %xmm0, %xmm0
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salq $ZBASE_SHIFT, INCX
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testq M, M
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jle .L999
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testq INCX, INCX
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jle .L999
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pcmpeqb %xmm15, %xmm15
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psrlq $1, %xmm15
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movsd 0 * SIZE(X), %xmm0
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movsd 1 * SIZE(X), %xmm4
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addq INCX, X
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andps %xmm15, %xmm0
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andps %xmm15, %xmm4
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addsd %xmm4, %xmm0
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decq M
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jle .L999
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movaps %xmm0, %xmm1
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cmpq $2 * SIZE, INCX
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jne .L20
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movq M, I
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sarq $2, I
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jle .L15
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movsd 0 * SIZE(X), %xmm4
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movsd 1 * SIZE(X), %xmm5
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movsd 2 * SIZE(X), %xmm6
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movsd 3 * SIZE(X), %xmm7
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movsd 4 * SIZE(X), %xmm8
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andps %xmm15, %xmm4
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movsd 5 * SIZE(X), %xmm9
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andps %xmm15, %xmm5
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movsd 6 * SIZE(X), %xmm10
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addsd %xmm4, %xmm5
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movsd 7 * SIZE(X), %xmm11
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decq I
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jle .L13
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ALIGN_4
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.L12:
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#ifdef PREFETCH
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PREFETCH (PREFETCHSIZE + 0) - PREOFFSET(X)
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#endif
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andps %xmm15, %xmm6
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movsd 8 * SIZE(X), %xmm4
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andps %xmm15, %xmm7
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addsd %xmm6, %xmm7
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movsd 10 * SIZE(X), %xmm6
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maxsd %xmm5, %xmm0
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movsd 9 * SIZE(X), %xmm5
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andps %xmm15, %xmm8
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maxsd %xmm7, %xmm1
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movsd 11 * SIZE(X), %xmm7
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andps %xmm15, %xmm9
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addsd %xmm8, %xmm9
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movsd 12 * SIZE(X), %xmm8
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andps %xmm15, %xmm10
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andps %xmm15, %xmm11
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addsd %xmm10, %xmm11
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movsd 14 * SIZE(X), %xmm10
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maxsd %xmm9, %xmm0
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movsd 13 * SIZE(X), %xmm9
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andps %xmm15, %xmm4
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maxsd %xmm11, %xmm1
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movsd 15 * SIZE(X), %xmm11
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andps %xmm15, %xmm5
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addsd %xmm4, %xmm5
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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_4
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.L13:
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andps %xmm15, %xmm6
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andps %xmm15, %xmm7
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addsd %xmm6, %xmm7
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maxsd %xmm5, %xmm0
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andps %xmm15, %xmm8
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maxsd %xmm7, %xmm1
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andps %xmm15, %xmm9
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addsd %xmm8, %xmm9
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andps %xmm15, %xmm10
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andps %xmm15, %xmm11
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addsd %xmm10, %xmm11
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maxsd %xmm9, %xmm0
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maxsd %xmm11, %xmm1
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addq $8 * SIZE, X
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ALIGN_4
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.L15:
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testq $2, M
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jle .L17
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movsd 0 * SIZE(X), %xmm4
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movsd 1 * SIZE(X), %xmm5
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movsd 2 * SIZE(X), %xmm6
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movsd 3 * SIZE(X), %xmm7
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addq $4 * SIZE, X
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andps %xmm15, %xmm4
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andps %xmm15, %xmm5
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addsd %xmm4, %xmm5
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andps %xmm15, %xmm6
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andps %xmm15, %xmm7
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addsd %xmm6, %xmm7
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maxsd %xmm5, %xmm0
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maxsd %xmm7, %xmm1
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ALIGN_3
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.L17:
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testq $1, M
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jle .L998
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movsd 0 * SIZE(X), %xmm4
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movsd 1 * SIZE(X), %xmm5
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andps %xmm15, %xmm4
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andps %xmm15, %xmm5
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addsd %xmm4, %xmm5
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maxsd %xmm5, %xmm0
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jmp .L998
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ALIGN_3
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.L20:
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movq M, I
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sarq $2, I
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jle .L25
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movsd 0 * SIZE(X), %xmm4
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movsd 1 * SIZE(X), %xmm5
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addq INCX, X
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movsd 0 * SIZE(X), %xmm6
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movsd 1 * SIZE(X), %xmm7
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addq INCX, X
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movsd 0 * SIZE(X), %xmm8
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andps %xmm15, %xmm4
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movsd 1 * SIZE(X), %xmm9
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addq INCX, X
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andps %xmm15, %xmm5
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movsd 0 * SIZE(X), %xmm10
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addsd %xmm4, %xmm5
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movsd 1 * SIZE(X), %xmm11
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addq INCX, X
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decq I
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jle .L23
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ALIGN_4
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.L22:
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#ifdef PREFETCH
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PREFETCH (PREFETCHSIZE + 0) - PREOFFSET(X)
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#endif
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andps %xmm15, %xmm6
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movsd 0 * SIZE(X), %xmm4
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andps %xmm15, %xmm7
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addsd %xmm6, %xmm7
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maxsd %xmm5, %xmm0
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movsd 1 * SIZE(X), %xmm5
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andps %xmm15, %xmm8
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addq INCX, X
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maxsd %xmm7, %xmm1
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movsd 0 * SIZE(X), %xmm6
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andps %xmm15, %xmm9
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movsd 1 * SIZE(X), %xmm7
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addsd %xmm8, %xmm9
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addq INCX, X
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andps %xmm15, %xmm10
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movsd 0 * SIZE(X), %xmm8
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andps %xmm15, %xmm11
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addsd %xmm10, %xmm11
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maxsd %xmm9, %xmm0
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movsd 1 * SIZE(X), %xmm9
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addq INCX, X
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andps %xmm15, %xmm4
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movsd 0 * SIZE(X), %xmm10
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maxsd %xmm11, %xmm1
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movsd 1 * SIZE(X), %xmm11
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andps %xmm15, %xmm5
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addq INCX, X
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addsd %xmm4, %xmm5
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decq I
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jg .L22
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ALIGN_4
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.L23:
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andps %xmm15, %xmm6
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andps %xmm15, %xmm7
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addsd %xmm6, %xmm7
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maxsd %xmm5, %xmm0
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andps %xmm15, %xmm8
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maxsd %xmm7, %xmm1
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andps %xmm15, %xmm9
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addsd %xmm8, %xmm9
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andps %xmm15, %xmm10
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andps %xmm15, %xmm11
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addsd %xmm10, %xmm11
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maxsd %xmm9, %xmm0
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maxsd %xmm11, %xmm1
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ALIGN_4
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.L25:
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testq $2, M
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jle .L27
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movsd 0 * SIZE(X), %xmm4
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movsd 1 * SIZE(X), %xmm5
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addq INCX, X
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movsd 0 * SIZE(X), %xmm6
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movsd 1 * SIZE(X), %xmm7
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addq INCX, X
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andps %xmm15, %xmm4
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andps %xmm15, %xmm5
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addsd %xmm4, %xmm5
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andps %xmm15, %xmm6
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andps %xmm15, %xmm7
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addsd %xmm6, %xmm7
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maxsd %xmm5, %xmm0
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maxsd %xmm7, %xmm1
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ALIGN_3
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.L27:
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testq $1, M
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jle .L998
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movsd 0 * SIZE(X), %xmm4
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movsd 1 * SIZE(X), %xmm5
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andps %xmm15, %xmm4
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andps %xmm15, %xmm5
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addsd %xmm4, %xmm5
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maxsd %xmm5, %xmm0
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ALIGN_3
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.L998:
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maxsd %xmm1, %xmm0
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ALIGN_4
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.L999:
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RESTOREREGISTERS
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ret
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EPILOGUE
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