238 lines
5.6 KiB
ArmAsm
238 lines
5.6 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 r3
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#define X r4
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#define INCX r5
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#define Y r6
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#define INCY r7
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#define PREA r8
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#define INCXM1 r9
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#define INCYM1 r10
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#define STACKSIZE 16
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PROLOGUE
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PROFCODE
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addi SP, SP, -STACKSIZE
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li r0, 0
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stfd f14, 0(SP)
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stfd f15, 8(SP)
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slwi INCX, INCX, ZBASE_SHIFT
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slwi INCY, INCY, ZBASE_SHIFT
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subi INCXM1, INCX, SIZE
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subi INCYM1, INCY, SIZE
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#ifdef L1_DUALFETCH
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li PREA, (L1_PREFETCHSIZE) / 2
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#else
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li PREA, (L1_PREFETCHSIZE)
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#endif
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cmpwi cr0, N, 0
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ble- LL(999)
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cmpwi cr0, INCX, 2 * SIZE
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bne- cr0, LL(100)
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cmpwi cr0, INCY, 2 * SIZE
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bne- cr0, LL(100)
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srawi. r0, N, 3
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mtspr CTR, r0
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beq- cr0, LL(50)
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.align 4
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LL(10):
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LFD f0, 0 * SIZE(X)
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LFD f1, 1 * SIZE(X)
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LFD f2, 2 * SIZE(X)
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LFD f3, 3 * SIZE(X)
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STFD f0, 0 * SIZE(Y)
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STFD f1, 1 * SIZE(Y)
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STFD f2, 2 * SIZE(Y)
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STFD f3, 3 * SIZE(Y)
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LFD f4, 4 * SIZE(X)
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LFD f5, 5 * SIZE(X)
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LFD f6, 6 * SIZE(X)
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LFD f7, 7 * SIZE(X)
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STFD f4, 4 * SIZE(Y)
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STFD f5, 5 * SIZE(Y)
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STFD f6, 6 * SIZE(Y)
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STFD f7, 7 * SIZE(Y)
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LFD f8, 8 * SIZE(X)
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LFD f9, 9 * SIZE(X)
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LFD f10, 10 * SIZE(X)
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LFD f11, 11 * SIZE(X)
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STFD f8, 8 * SIZE(Y)
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STFD f9, 9 * SIZE(Y)
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STFD f10, 10 * SIZE(Y)
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STFD f11, 11 * SIZE(Y)
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LFD f12, 12 * SIZE(X)
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LFD f13, 13 * SIZE(X)
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LFD f14, 14 * SIZE(X)
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LFD f15, 15 * SIZE(X)
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STFD f12, 12 * SIZE(Y)
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STFD f13, 13 * SIZE(Y)
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STFD f14, 14 * SIZE(Y)
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STFD f15, 15 * SIZE(Y)
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#ifndef POWER6
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dcbtst Y, PREA
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#ifdef L1_DUALFETCH
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dcbt X, PREA
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#endif
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#endif
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addi X, X, 16 * SIZE
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addi Y, Y, 16 * SIZE
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#ifdef POWER6
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dcbtst Y, PREA
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L1_PREFETCH X, PREA
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#endif
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bdnz LL(10)
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.align 4
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LL(50):
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andi. r0, N, 7
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mtspr CTR, r0
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beq LL(999)
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.align 4
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LL(60):
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LFD f8, 0 * SIZE(X)
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LFD f9, 1 * SIZE(X)
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addi X, X, 2 * SIZE
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STFD f8, 0 * SIZE(Y)
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STFD f9, 1 * SIZE(Y)
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addi Y, Y, 2 * SIZE
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bdnz LL(60)
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b LL(999)
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.align 4
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LL(100):
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sub X, X, INCXM1
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sub Y, Y, INCYM1
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srawi. r0, N, 3
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mtspr CTR, r0
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beq- LL(150)
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.align 4
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LL(110):
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LFDX f0, X, INCXM1
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LFDUX f1, X, INCX
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LFDX f2, X, INCXM1
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LFDUX f3, X, INCX
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LFDX f4, X, INCXM1
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LFDUX f5, X, INCX
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LFDX f6, X, INCXM1
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LFDUX f7, X, INCX
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LFDX f8, X, INCXM1
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LFDUX f9, X, INCX
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LFDX f10, X, INCXM1
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LFDUX f11, X, INCX
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LFDX f12, X, INCXM1
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LFDUX f13, X, INCX
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LFDX f14, X, INCXM1
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LFDUX f15, X, INCX
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STFDX f0, Y, INCYM1
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STFDUX f1, Y, INCY
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STFDX f2, Y, INCYM1
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STFDUX f3, Y, INCY
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STFDX f4, Y, INCYM1
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STFDUX f5, Y, INCY
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STFDX f6, Y, INCYM1
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STFDUX f7, Y, INCY
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STFDX f8, Y, INCYM1
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STFDUX f9, Y, INCY
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STFDX f10, Y, INCYM1
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STFDUX f11, Y, INCY
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STFDX f12, Y, INCYM1
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STFDUX f13, Y, INCY
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STFDX f14, Y, INCYM1
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STFDUX f15, Y, INCY
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bdnz LL(110)
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.align 4
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LL(150):
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andi. r0, N, 7
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mtspr CTR, r0
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beq LL(999)
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.align 4
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LL(160):
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LFDX f8, X, INCXM1
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LFDUX f9, X, INCX
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STFDX f8, Y, INCYM1
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STFDUX f9, Y, INCY
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bdnz LL(160)
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.align 4
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LL(999):
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lfd f14, 0(SP)
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lfd f15, 8(SP)
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addi SP, SP, STACKSIZE
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blr
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EPILOGUE
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