309 lines
6.6 KiB
ArmAsm
309 lines
6.6 KiB
ArmAsm
/*********************************************************************/
|
|
/* 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
|