676 lines
12 KiB
ArmAsm
676 lines
12 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 %i0
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#define X %i1
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#define INCX %i2
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#define I %i3
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#define XX %i4
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#ifdef DOUBLE
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#define c1 %f0
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#define c2 %f2
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#define c3 %f4
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#define c4 %f6
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#define t1 %f8
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#define t2 %f10
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#define t3 %f12
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#define t4 %f14
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#define a1 %f16
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#define a2 %f18
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#define a3 %f20
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#define a4 %f22
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#define a5 %f24
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#define a6 %f26
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#define a7 %f28
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#define a8 %f30
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#define fmax %f32
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#define fzero %f34
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#define fone %f36
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#else
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#define c1 %f0
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#define c2 %f1
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#define c3 %f2
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#define c4 %f3
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#define t1 %f4
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#define t2 %f5
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#define t3 %f6
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#define t4 %f7
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#define a1 %f8
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#define a2 %f9
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#define a3 %f10
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#define a4 %f11
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#define a5 %f12
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#define a6 %f13
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#define a7 %f14
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#define a8 %f15
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#define fmax %f16
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#define fzero %f17
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#define fone %f18
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#endif
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PROLOGUE
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SAVESP
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#ifdef DOUBLE
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FCLR(3)
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#else
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FCLR(17)
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#endif
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mov X, XX
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mov 0x3ff, %g1
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sll %g1, 20, %g1
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cmp N, 0
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ble .LL99
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FMOV fzero, c1
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cmp INCX, 0
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ble .LL99
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sll INCX, BASE_SHIFT, INCX
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add %sp, -8, %sp
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st %g1, [%sp + STACK_START + 0]
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st %g0, [%sp + STACK_START + 4]
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add N, -1, N
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LDF [X], c4
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add X, INCX, X
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LDF [%sp + STACK_START], fone
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add %sp, 8, %sp
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FABS c4, c1
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FABS c4, c2
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FABS c4, c3
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FABS c4, c4
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cmp INCX, SIZE
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bne .LL100
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nop
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sra N, 3, I
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cmp I, 0
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ble,pn %icc, .LL15
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nop
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LDF [X + 0 * SIZE], a1
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LDF [X + 1 * SIZE], a2
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LDF [X + 2 * SIZE], a3
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LDF [X + 3 * SIZE], a4
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LDF [X + 4 * SIZE], a5
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add I, -1, I
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LDF [X + 5 * SIZE], a6
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cmp I, 0
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LDF [X + 6 * SIZE], a7
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LDF [X + 7 * SIZE], a8
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ble,pt %icc, .LL12
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add X, 8 * SIZE, X
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#define PREFETCHSIZE 40
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.LL11:
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FABS a1, t1
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prefetch [X + PREFETCHSIZE * SIZE], 0
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FABS a2, t2
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LDF [X + 0 * SIZE], a1
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FABS a3, t3
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LDF [X + 1 * SIZE], a2
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FABS a4, t4
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LDF [X + 2 * SIZE], a3
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FCMP %fcc0, t1, c1
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LDF [X + 3 * SIZE], a4
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FCMP %fcc1, t2, c2
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FCMP %fcc2, t3, c3
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FCMP %fcc3, t4, c4
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FMOVG %fcc0, t1, c1
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FMOVG %fcc1, t2, c2
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FMOVG %fcc2, t3, c3
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FMOVG %fcc3, t4, c4
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FABS a5, t1
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LDF [X + 4 * SIZE], a5
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FABS a6, t2
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LDF [X + 5 * SIZE], a6
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FABS a7, t3
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LDF [X + 6 * SIZE], a7
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FABS a8, t4
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LDF [X + 7 * SIZE], a8
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FCMP %fcc0, t1, c1
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FCMP %fcc1, t2, c2
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FCMP %fcc2, t3, c3
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FCMP %fcc3, t4, c4
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FMOVG %fcc0, t1, c1
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add I, -1, I
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FMOVG %fcc1, t2, c2
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cmp I, 0
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FMOVG %fcc2, t3, c3
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FMOVG %fcc3, t4, c4
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bg,pt %icc, .LL11
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add X, 8 * SIZE, X
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.LL12:
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FABS a1, t1
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FABS a2, t2
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FABS a3, t3
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FABS a4, t4
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FCMP %fcc0, t1, c1
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FCMP %fcc1, t2, c2
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FCMP %fcc2, t3, c3
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FCMP %fcc3, t4, c4
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FMOVG %fcc0, t1, c1
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FMOVG %fcc1, t2, c2
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FMOVG %fcc2, t3, c3
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FMOVG %fcc3, t4, c4
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FABS a5, t1
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FABS a6, t2
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FABS a7, t3
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FABS a8, t4
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FCMP %fcc0, t1, c1
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FCMP %fcc1, t2, c2
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FCMP %fcc2, t3, c3
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FCMP %fcc3, t4, c4
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FMOVG %fcc0, t1, c1
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FMOVG %fcc1, t2, c2
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FMOVG %fcc2, t3, c3
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FMOVG %fcc3, t4, c4
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.LL15:
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and N, 7, I
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cmp I, 0
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ble,a,pn %icc, .LL19
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nop
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.LL16:
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LDF [X + 0 * SIZE], a1
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FABS a1, t1
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FCMP %fcc0, t1, c1
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FMOVG %fcc0, t1, c1
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add I, -1, I
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cmp I, 0
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bg,pt %icc, .LL16
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add X, 1 * SIZE, X
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.LL19:
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FCMP %fcc0, c2, c1
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FCMP %fcc1, c4, c3
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mov XX, X
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FMOVG %fcc0, c2, c1
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FMOVG %fcc1, c4, c3
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FCMP %fcc0, c3, c1
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FMOVG %fcc0, c3, c1
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FCMP c1, fzero
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fbe .LL99
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nop
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FMOV c1, fmax
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add N, 1, N
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FDIV fone, c1, fone
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FMOV fzero, c1
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FMOV fzero, c2
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FMOV fzero, c3
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FMOV fzero, c4
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sra N, 3, I
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cmp I, 0
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ble,pn %icc, .LL35
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nop
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LDF [X + 0 * SIZE], a1
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LDF [X + 1 * SIZE], a2
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LDF [X + 2 * SIZE], a3
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LDF [X + 3 * SIZE], a4
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LDF [X + 4 * SIZE], a5
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add I, -1, I
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LDF [X + 5 * SIZE], a6
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cmp I, 0
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LDF [X + 6 * SIZE], a7
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LDF [X + 7 * SIZE], a8
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ble,pt %icc, .LL32
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add X, 8 * SIZE, X
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.LL31:
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FMUL fone, a1, t1
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prefetch [X + PREFETCHSIZE * SIZE], 0
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FMUL fone, a2, t2
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LDF [X + 0 * SIZE], a1
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FMUL fone, a3, t3
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LDF [X + 1 * SIZE], a2
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FMUL fone, a4, t4
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LDF [X + 2 * SIZE], a3
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FMUL t1, t1, t1
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LDF [X + 3 * SIZE], a4
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FMUL t2, t2, t2
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FMUL t3, t3, t3
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FMUL t4, t4, t4
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FADD c1, t1, c1
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FMUL fone, a5, t1
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LDF [X + 4 * SIZE], a5
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FADD c2, t2, c2
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FMUL fone, a6, t2
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LDF [X + 5 * SIZE], a6
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FADD c3, t3, c3
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FMUL fone, a7, t3
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LDF [X + 6 * SIZE], a7
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FADD c4, t4, c4
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FMUL fone, a8, t4
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LDF [X + 7 * SIZE], a8
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FMUL t1, t1, t1
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FMUL t2, t2, t2
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FMUL t3, t3, t3
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FMUL t4, t4, t4
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FADD c1, t1, c1
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add I, -1, I
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FADD c2, t2, c2
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cmp I, 0
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FADD c3, t3, c3
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FADD c4, t4, c4
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bg,pt %icc, .LL31
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add X, 8 * SIZE, X
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.LL32:
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FMUL fone, a1, t1
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FMUL fone, a2, t2
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FMUL fone, a3, t3
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FMUL fone, a4, t4
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FMUL t1, t1, t1
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FMUL t2, t2, t2
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FMUL t3, t3, t3
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FMUL t4, t4, t4
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FADD c1, t1, c1
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FMUL fone, a5, t1
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FADD c2, t2, c2
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FMUL fone, a6, t2
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FADD c3, t3, c3
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FMUL fone, a7, t3
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FADD c4, t4, c4
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FMUL fone, a8, t4
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FMUL t1, t1, t1
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FMUL t2, t2, t2
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FMUL t3, t3, t3
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FMUL t4, t4, t4
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FADD c1, t1, c1
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FADD c2, t2, c2
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FADD c3, t3, c3
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FADD c4, t4, c4
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.LL35:
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and N, 7, I
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cmp I, 0
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ble,a,pn %icc, .LL39
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nop
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.LL36:
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LDF [X + 0 * SIZE], a1
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FMUL fone, a1, t1
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FMUL t1, t1, t1
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FADD c1, t1, c1
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add I, -1, I
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cmp I, 0
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bg,pt %icc, .LL36
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add X, 1 * SIZE, X
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.LL39:
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FADD c1, c2, c1
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FADD c3, c4, c3
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FADD c1, c3, c1
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FSQRT c1, c1
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FMUL fmax, c1, c1
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.LL99:
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return %i7 + 8
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clr %g0
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.LL100:
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sra N, 3, I
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cmp I, 0
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ble,pn %icc, .LL105
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nop
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LDF [X + 0 * SIZE], a1
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add X, INCX, X
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LDF [X + 0 * SIZE], a2
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add X, INCX, X
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LDF [X + 0 * SIZE], a3
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add X, INCX, X
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LDF [X + 0 * SIZE], a4
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add X, INCX, X
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LDF [X + 0 * SIZE], a5
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add X, INCX, X
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LDF [X + 0 * SIZE], a6
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add X, INCX, X
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add I, -1, I
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LDF [X + 0 * SIZE], a7
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cmp I, 0
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add X, INCX, X
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LDF [X + 0 * SIZE], a8
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ble,pt %icc, .LL102
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add X, INCX, X
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.LL101:
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FABS a1, t1
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LDF [X + 0 * SIZE], a1
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add X, INCX, X
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FABS a2, t2
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LDF [X + 0 * SIZE], a2
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add X, INCX, X
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FABS a3, t3
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LDF [X + 0 * SIZE], a3
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add X, INCX, X
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FABS a4, t4
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LDF [X + 0 * SIZE], a4
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add X, INCX, X
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FCMP %fcc0, t1, c1
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FCMP %fcc1, t2, c2
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FCMP %fcc2, t3, c3
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FCMP %fcc3, t4, c4
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FMOVG %fcc0, t1, c1
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FMOVG %fcc1, t2, c2
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FMOVG %fcc2, t3, c3
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FMOVG %fcc3, t4, c4
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FABS a5, t1
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LDF [X + 0 * SIZE], a5
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add X, INCX, X
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FABS a6, t2
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LDF [X + 0 * SIZE], a6
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add X, INCX, X
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FABS a7, t3
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LDF [X + 0 * SIZE], a7
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add X, INCX, X
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FABS a8, t4
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LDF [X + 0 * SIZE], a8
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FCMP %fcc0, t1, c1
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FCMP %fcc1, t2, c2
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FCMP %fcc2, t3, c3
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FCMP %fcc3, t4, c4
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FMOVG %fcc0, t1, c1
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add I, -1, I
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FMOVG %fcc1, t2, c2
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cmp I, 0
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FMOVG %fcc2, t3, c3
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FMOVG %fcc3, t4, c4
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bg,pt %icc, .LL101
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add X, INCX, X
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.LL102:
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FABS a1, t1
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FABS a2, t2
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FABS a3, t3
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FABS a4, t4
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FCMP %fcc0, t1, c1
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FCMP %fcc1, t2, c2
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FCMP %fcc2, t3, c3
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FCMP %fcc3, t4, c4
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FMOVG %fcc0, t1, c1
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FMOVG %fcc1, t2, c2
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FMOVG %fcc2, t3, c3
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FMOVG %fcc3, t4, c4
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FABS a5, t1
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FABS a6, t2
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FABS a7, t3
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FABS a8, t4
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FCMP %fcc0, t1, c1
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FCMP %fcc1, t2, c2
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FCMP %fcc2, t3, c3
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FCMP %fcc3, t4, c4
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FMOVG %fcc0, t1, c1
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FMOVG %fcc1, t2, c2
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FMOVG %fcc2, t3, c3
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FMOVG %fcc3, t4, c4
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.LL105:
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and N, 7, I
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cmp I, 0
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ble,a,pn %icc, .LL109
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nop
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.LL106:
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LDF [X + 0 * SIZE], a1
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FABS a1, t1
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FCMP %fcc0, t1, c1
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FMOVG %fcc0, t1, c1
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add I, -1, I
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cmp I, 0
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bg,pt %icc, .LL106
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add X, INCX, X
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.LL109:
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FCMP %fcc0, c2, c1
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FCMP %fcc1, c4, c3
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mov XX, X
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FMOVG %fcc0, c2, c1
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FMOVG %fcc1, c4, c3
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FCMP %fcc0, c3, c1
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FMOVG %fcc0, c3, c1
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FCMP c1, fzero
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fbe .LL99
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nop
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FMOV c1, fmax
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FDIV fone, c1, fone
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FMOV fzero, c1
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FMOV fzero, c2
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FMOV fzero, c3
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FMOV fzero, c4
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|
|
add N, 1, N
|
|
|
|
sra N, 3, I
|
|
cmp I, 0
|
|
ble,pn %icc, .LL135
|
|
nop
|
|
|
|
LDF [X + 0 * SIZE], a1
|
|
add X, INCX, X
|
|
LDF [X + 0 * SIZE], a2
|
|
add X, INCX, X
|
|
LDF [X + 0 * SIZE], a3
|
|
add X, INCX, X
|
|
LDF [X + 0 * SIZE], a4
|
|
add X, INCX, X
|
|
|
|
LDF [X + 0 * SIZE], a5
|
|
add X, INCX, X
|
|
add I, -1, I
|
|
LDF [X + 0 * SIZE], a6
|
|
add X, INCX, X
|
|
cmp I, 0
|
|
LDF [X + 0 * SIZE], a7
|
|
add X, INCX, X
|
|
LDF [X + 0 * SIZE], a8
|
|
|
|
ble,pt %icc, .LL132
|
|
add X, INCX, X
|
|
|
|
.LL131:
|
|
FMUL fone, a1, t1
|
|
prefetch [X + PREFETCHSIZE * SIZE], 0
|
|
FMUL fone, a2, t2
|
|
LDF [X + 0 * SIZE], a1
|
|
add X, INCX, X
|
|
FMUL fone, a3, t3
|
|
LDF [X + 0 * SIZE], a2
|
|
add X, INCX, X
|
|
FMUL fone, a4, t4
|
|
LDF [X + 0 * SIZE], a3
|
|
add X, INCX, X
|
|
|
|
FMUL t1, t1, t1
|
|
LDF [X + 0 * SIZE], a4
|
|
add X, INCX, X
|
|
FMUL t2, t2, t2
|
|
FMUL t3, t3, t3
|
|
FMUL t4, t4, t4
|
|
|
|
FADD c1, t1, c1
|
|
FMUL fone, a5, t1
|
|
LDF [X + 0 * SIZE], a5
|
|
add X, INCX, X
|
|
FADD c2, t2, c2
|
|
FMUL fone, a6, t2
|
|
LDF [X + 0 * SIZE], a6
|
|
add X, INCX, X
|
|
FADD c3, t3, c3
|
|
FMUL fone, a7, t3
|
|
LDF [X + 0 * SIZE], a7
|
|
add X, INCX, X
|
|
FADD c4, t4, c4
|
|
FMUL fone, a8, t4
|
|
LDF [X + 0 * SIZE], a8
|
|
|
|
FMUL t1, t1, t1
|
|
FMUL t2, t2, t2
|
|
FMUL t3, t3, t3
|
|
FMUL t4, t4, t4
|
|
|
|
FADD c1, t1, c1
|
|
add I, -1, I
|
|
FADD c2, t2, c2
|
|
cmp I, 0
|
|
FADD c3, t3, c3
|
|
FADD c4, t4, c4
|
|
|
|
bg,pt %icc, .LL131
|
|
add X, INCX, X
|
|
|
|
.LL132:
|
|
FMUL fone, a1, t1
|
|
FMUL fone, a2, t2
|
|
FMUL fone, a3, t3
|
|
FMUL fone, a4, t4
|
|
|
|
FMUL t1, t1, t1
|
|
FMUL t2, t2, t2
|
|
FMUL t3, t3, t3
|
|
FMUL t4, t4, t4
|
|
|
|
FADD c1, t1, c1
|
|
FMUL fone, a5, t1
|
|
FADD c2, t2, c2
|
|
FMUL fone, a6, t2
|
|
FADD c3, t3, c3
|
|
FMUL fone, a7, t3
|
|
FADD c4, t4, c4
|
|
FMUL fone, a8, t4
|
|
|
|
FMUL t1, t1, t1
|
|
FMUL t2, t2, t2
|
|
FMUL t3, t3, t3
|
|
FMUL t4, t4, t4
|
|
|
|
FADD c1, t1, c1
|
|
FADD c2, t2, c2
|
|
FADD c3, t3, c3
|
|
FADD c4, t4, c4
|
|
|
|
.LL135:
|
|
and N, 7, I
|
|
cmp I, 0
|
|
ble,a,pn %icc, .LL139
|
|
nop
|
|
|
|
.LL136:
|
|
LDF [X + 0 * SIZE], a1
|
|
FMUL fone, a1, t1
|
|
FMUL t1, t1, t1
|
|
FADD c1, t1, c1
|
|
add I, -1, I
|
|
cmp I, 0
|
|
bg,pt %icc, .LL136
|
|
add X, INCX, X
|
|
|
|
.LL139:
|
|
FADD c1, c2, c1
|
|
FADD c3, c4, c3
|
|
FADD c1, c3, c1
|
|
|
|
FSQRT c1, c1
|
|
FMUL fmax, c1, c1
|
|
|
|
return %i7 + 8
|
|
clr %g0
|
|
|
|
EPILOGUE
|