/*********************************************************************/
/* 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 r3
#define X r4
#define INCX r5
#define Y r6
#define INCY r7
#define PREA r8
#define STACKSIZE 16
PROLOGUE
PROFCODE
addi SP, SP, -STACKSIZE
li r0, 0
stfd f14, 0(SP)
stfd f15, 8(SP)
slwi INCX, INCX, BASE_SHIFT
slwi INCY, INCY, BASE_SHIFT
#ifdef L1_DUALFETCH
li PREA, (L1_PREFETCHSIZE) / 2
#else
li PREA, (L1_PREFETCHSIZE)
#endif
cmpwi cr0, N, 0
ble- LL(999)
cmpwi cr0, INCX, SIZE
bne- cr0, LL(100)
cmpwi cr0, INCY, SIZE
bne- cr0, LL(100)
srawi. r0, N, 4
mtspr CTR, r0
beq- cr0, LL(50)
.align 4
LL(10):
LFD f0, 0 * SIZE(X)
LFD f1, 1 * SIZE(X)
LFD f2, 2 * SIZE(X)
LFD f3, 3 * SIZE(X)
STFD f0, 0 * SIZE(Y)
STFD f1, 1 * SIZE(Y)
STFD f2, 2 * SIZE(Y)
STFD f3, 3 * SIZE(Y)
LFD f4, 4 * SIZE(X)
LFD f5, 5 * SIZE(X)
LFD f6, 6 * SIZE(X)
LFD f7, 7 * SIZE(X)
STFD f4, 4 * SIZE(Y)
STFD f5, 5 * SIZE(Y)
STFD f6, 6 * SIZE(Y)
STFD f7, 7 * SIZE(Y)
LFD f8, 8 * SIZE(X)
LFD f9, 9 * SIZE(X)
LFD f10, 10 * SIZE(X)
LFD f11, 11 * SIZE(X)
STFD f8, 8 * SIZE(Y)
STFD f9, 9 * SIZE(Y)
STFD f10, 10 * SIZE(Y)
STFD f11, 11 * SIZE(Y)
LFD f12, 12 * SIZE(X)
LFD f13, 13 * SIZE(X)
LFD f14, 14 * SIZE(X)
LFD f15, 15 * SIZE(X)
STFD f12, 12 * SIZE(Y)
STFD f13, 13 * SIZE(Y)
STFD f14, 14 * SIZE(Y)
STFD f15, 15 * SIZE(Y)
#ifndef POWER6
dcbtst Y, PREA
#ifdef L1_DUALFETCH
dcbt X, PREA
#endif
#endif
addi X, X, 16 * SIZE
addi Y, Y, 16 * SIZE
#ifdef POWER6
dcbtst Y, PREA
L1_PREFETCH X, PREA
#endif
bdnz LL(10)
.align 4
LL(50):
andi. r0, N, 15
mtspr CTR, r0
beq LL(999)
.align 4
LL(60):
LFD f8, 0 * SIZE(X)
addi X, X, 1 * SIZE
STFD f8, 0 * SIZE(Y)
addi Y, Y, 1 * SIZE
bdnz LL(60)
b LL(999)
.align 4
LL(100):
sub X, X, INCX
sub Y, Y, INCY
srawi. r0, N, 4
mtspr CTR, r0
beq- LL(150)
.align 4
LL(110):
LFDUX f0, X, INCX
LFDUX f1, X, INCX
LFDUX f2, X, INCX
LFDUX f3, X, INCX
LFDUX f4, X, INCX
LFDUX f5, X, INCX
LFDUX f6, X, INCX
LFDUX f7, X, INCX
LFDUX f8, X, INCX
LFDUX f9, X, INCX
LFDUX f10, X, INCX
LFDUX f11, X, INCX
LFDUX f12, X, INCX
LFDUX f13, X, INCX
LFDUX f14, X, INCX
LFDUX f15, X, INCX
STFDUX f0, Y, INCY
STFDUX f1, Y, INCY
STFDUX f2, Y, INCY
STFDUX f3, Y, INCY
STFDUX f4, Y, INCY
STFDUX f5, Y, INCY
STFDUX f6, Y, INCY
STFDUX f7, Y, INCY
STFDUX f8, Y, INCY
STFDUX f9, Y, INCY
STFDUX f10, Y, INCY
STFDUX f11, Y, INCY
STFDUX f12, Y, INCY
STFDUX f13, Y, INCY
STFDUX f14, Y, INCY
STFDUX f15, Y, INCY
bdnz LL(110)
.align 4
LL(150):
andi. r0, N, 15
mtspr CTR, r0
beq LL(999)
.align 4
LL(160):
LFDUX f8, X, INCX
STFDUX f8, Y, INCY
bdnz LL(160)
.align 4
LL(999):
lfd f14, 0(SP)
lfd f15, 8(SP)
addi SP, SP, STACKSIZE
blr
EPILOGUE