591 lines
13 KiB
NASM
591 lines
13 KiB
NASM
dnl IA-64 mpn_addmul_1 -- Multiply a limb vector with a limb and add the
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dnl result to a second limb vector.
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dnl Copyright 2000, 2001, 2002, 2003, 2004, 2005, 2007 Free Software
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dnl Foundation, Inc.
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dnl This file is part of the GNU MP Library.
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dnl The GNU MP Library is free software; you can redistribute it and/or modify
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dnl it under the terms of the GNU Lesser General Public License as published
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dnl by the Free Software Foundation; either version 3 of the License, or (at
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dnl your option) any later version.
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dnl The GNU MP Library is distributed in the hope that it will be useful, but
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dnl WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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dnl or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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dnl License for more details.
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dnl You should have received a copy of the GNU Lesser General Public License
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dnl along with the GNU MP Library. If not, see http://www.gnu.org/licenses/.
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include(`../config.m4')
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C cycles/limb
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C Itanium: 3.0
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C Itanium 2: 2.0
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C TODO
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C * Further optimize feed-in and wind-down code, both for speed and code size.
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C * Handle low limb input and results specially, using a common stf8 in the
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C epilogue.
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C * Use 1 c/l carry propagation scheme in wind-down code.
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C * Use extra pointer registers for `up' and rp to speed up feed-in loads.
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C * Work out final differences with mul_1.asm. That function is 300 bytes
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C smaller than this due to better loop scheduling and thus simpler feed-in
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C code.
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C INPUT PARAMETERS
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define(`rp', `r32')
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define(`up', `r33')
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define(`n', `r34')
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define(`vl', `r35')
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ASM_START()
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PROLOGUE(mpn_addmul_1)
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.prologue
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.save ar.lc, r2
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.body
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ifdef(`HAVE_ABI_32',
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` addp4 rp = 0, rp C M I
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addp4 up = 0, up C M I
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zxt4 n = n C I
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;;
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')
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{.mmi
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adds r15 = -1, n C M I
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mov r20 = rp C M I
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mov.i r2 = ar.lc C I0
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}
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{.mmi
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ldf8 f7 = [up], 8 C M
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ldf8 f8 = [rp], 8 C M
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and r14 = 3, n C M I
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;;
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}
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{.mmi
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setf.sig f6 = vl C M2 M3
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cmp.eq p10, p0 = 0, r14 C M I
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shr.u r31 = r15, 2 C I0
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}
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{.mmi
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cmp.eq p11, p0 = 2, r14 C M I
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cmp.eq p12, p0 = 3, r14 C M I
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nop.i 0 C I
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;;
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}
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{.mii
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cmp.ne p6, p7 = r0, r0 C M I
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mov.i ar.lc = r31 C I0
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cmp.ne p8, p9 = r0, r0 C M I
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}
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{.bbb
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(p10) br.dptk .Lb00 C B
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(p11) br.dptk .Lb10 C B
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(p12) br.dptk .Lb11 C B
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;;
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}
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.Lb01: br.cloop.dptk .grt1 C B
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xma.l f39 = f7, f6, f8 C F
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xma.hu f43 = f7, f6, f8 C F
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;;
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getf.sig r8 = f43 C M2
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stf8 [r20] = f39 C M2 M3
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mov.i ar.lc = r2 C I0
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br.ret.sptk.many b0 C B
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.grt1:
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ldf8 f32 = [up], 8
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ldf8 f44 = [rp], 8
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;;
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ldf8 f33 = [up], 8
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ldf8 f45 = [rp], 8
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;;
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ldf8 f34 = [up], 8
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xma.l f39 = f7, f6, f8
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ldf8 f46 = [rp], 8
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xma.hu f43 = f7, f6, f8
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;;
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ldf8 f35 = [up], 8
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ldf8 f47 = [rp], 8
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br.cloop.dptk .grt5
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xma.l f36 = f32, f6, f44
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xma.hu f40 = f32, f6, f44
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;;
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stf8 [r20] = f39, 8
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xma.l f37 = f33, f6, f45
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xma.hu f41 = f33, f6, f45
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;;
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getf.sig r31 = f43
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getf.sig r24 = f36
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xma.l f38 = f34, f6, f46
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xma.hu f42 = f34, f6, f46
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;;
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getf.sig r28 = f40
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getf.sig r25 = f37
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xma.l f39 = f35, f6, f47
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xma.hu f43 = f35, f6, f47
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;;
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getf.sig r29 = f41
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getf.sig r26 = f38
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br .Lcj5
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.grt5:
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mov r30 = 0
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xma.l f36 = f32, f6, f44
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xma.hu f40 = f32, f6, f44
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;;
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ldf8 f32 = [up], 8
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xma.l f37 = f33, f6, f45
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ldf8 f44 = [rp], 8
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xma.hu f41 = f33, f6, f45
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;;
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ldf8 f33 = [up], 8
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getf.sig r27 = f39
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;;
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getf.sig r31 = f43
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xma.l f38 = f34, f6, f46
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ldf8 f45 = [rp], 8
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xma.hu f42 = f34, f6, f46
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;;
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ldf8 f34 = [up], 8
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getf.sig r24 = f36
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;;
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getf.sig r28 = f40
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xma.l f39 = f35, f6, f47
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ldf8 f46 = [rp], 8
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xma.hu f43 = f35, f6, f47
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;;
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ldf8 f35 = [up], 8
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getf.sig r25 = f37
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br.cloop.dptk .Loop
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br .Le0
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.Lb10: ldf8 f35 = [up], 8
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ldf8 f47 = [rp], 8
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br.cloop.dptk .grt2
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xma.l f38 = f7, f6, f8
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xma.hu f42 = f7, f6, f8
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;;
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xma.l f39 = f35, f6, f47
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xma.hu f43 = f35, f6, f47
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;;
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getf.sig r30 = f42
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stf8 [r20] = f38, 8
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getf.sig r27 = f39
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getf.sig r8 = f43
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br .Lcj2
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.grt2:
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ldf8 f32 = [up], 8
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ldf8 f44 = [rp], 8
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;;
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ldf8 f33 = [up], 8
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xma.l f38 = f7, f6, f8
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ldf8 f45 = [rp], 8
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xma.hu f42 = f7, f6, f8
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;;
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ldf8 f34 = [up], 8
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xma.l f39 = f35, f6, f47
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ldf8 f46 = [rp], 8
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xma.hu f43 = f35, f6, f47
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;;
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ldf8 f35 = [up], 8
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ldf8 f47 = [rp], 8
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br.cloop.dptk .grt6
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stf8 [r20] = f38, 8
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xma.l f36 = f32, f6, f44
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xma.hu f40 = f32, f6, f44
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;;
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getf.sig r30 = f42
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getf.sig r27 = f39
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xma.l f37 = f33, f6, f45
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xma.hu f41 = f33, f6, f45
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;;
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getf.sig r31 = f43
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getf.sig r24 = f36
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xma.l f38 = f34, f6, f46
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xma.hu f42 = f34, f6, f46
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;;
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getf.sig r28 = f40
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getf.sig r25 = f37
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xma.l f39 = f35, f6, f47
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xma.hu f43 = f35, f6, f47
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br .Lcj6
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.grt6:
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mov r29 = 0
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xma.l f36 = f32, f6, f44
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xma.hu f40 = f32, f6, f44
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;;
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ldf8 f32 = [up], 8
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getf.sig r26 = f38
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;;
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getf.sig r30 = f42
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xma.l f37 = f33, f6, f45
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ldf8 f44 = [rp], 8
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xma.hu f41 = f33, f6, f45
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;;
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ldf8 f33 = [up], 8
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getf.sig r27 = f39
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;;
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getf.sig r31 = f43
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xma.l f38 = f34, f6, f46
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ldf8 f45 = [rp], 8
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xma.hu f42 = f34, f6, f46
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;;
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ldf8 f34 = [up], 8
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getf.sig r24 = f36
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br .LL10
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.Lb11: ldf8 f34 = [up], 8
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ldf8 f46 = [rp], 8
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;;
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ldf8 f35 = [up], 8
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ldf8 f47 = [rp], 8
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br.cloop.dptk .grt3
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;;
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xma.l f37 = f7, f6, f8
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xma.hu f41 = f7, f6, f8
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xma.l f38 = f34, f6, f46
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xma.hu f42 = f34, f6, f46
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xma.l f39 = f35, f6, f47
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xma.hu f43 = f35, f6, f47
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;;
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getf.sig r29 = f41
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stf8 [r20] = f37, 8
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getf.sig r26 = f38
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getf.sig r30 = f42
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getf.sig r27 = f39
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getf.sig r8 = f43
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br .Lcj3
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.grt3:
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ldf8 f32 = [up], 8
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xma.l f37 = f7, f6, f8
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ldf8 f44 = [rp], 8
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xma.hu f41 = f7, f6, f8
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;;
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ldf8 f33 = [up], 8
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xma.l f38 = f34, f6, f46
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ldf8 f45 = [rp], 8
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xma.hu f42 = f34, f6, f46
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;;
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ldf8 f34 = [up], 8
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xma.l f39 = f35, f6, f47
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ldf8 f46 = [rp], 8
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xma.hu f43 = f35, f6, f47
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;;
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ldf8 f35 = [up], 8
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getf.sig r25 = f37 C FIXME
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ldf8 f47 = [rp], 8
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br.cloop.dptk .grt7
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getf.sig r29 = f41
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stf8 [r20] = f37, 8 C FIXME
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xma.l f36 = f32, f6, f44
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getf.sig r26 = f38
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xma.hu f40 = f32, f6, f44
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;;
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getf.sig r30 = f42
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xma.l f37 = f33, f6, f45
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getf.sig r27 = f39
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xma.hu f41 = f33, f6, f45
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;;
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getf.sig r31 = f43
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xma.l f38 = f34, f6, f46
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getf.sig r24 = f36
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xma.hu f42 = f34, f6, f46
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br .Lcj7
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.grt7:
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getf.sig r29 = f41
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xma.l f36 = f32, f6, f44
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mov r28 = 0
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xma.hu f40 = f32, f6, f44
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;;
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ldf8 f32 = [up], 8
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getf.sig r26 = f38
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;;
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getf.sig r30 = f42
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xma.l f37 = f33, f6, f45
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ldf8 f44 = [rp], 8
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xma.hu f41 = f33, f6, f45
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;;
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ldf8 f33 = [up], 8
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getf.sig r27 = f39
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br .LL11
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.Lb00: ldf8 f33 = [up], 8
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ldf8 f45 = [rp], 8
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;;
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ldf8 f34 = [up], 8
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ldf8 f46 = [rp], 8
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;;
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ldf8 f35 = [up], 8
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xma.l f36 = f7, f6, f8
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ldf8 f47 = [rp], 8
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xma.hu f40 = f7, f6, f8
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br.cloop.dptk .grt4
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xma.l f37 = f33, f6, f45
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xma.hu f41 = f33, f6, f45
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xma.l f38 = f34, f6, f46
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xma.hu f42 = f34, f6, f46
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;;
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getf.sig r28 = f40
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stf8 [r20] = f36, 8
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xma.l f39 = f35, f6, f47
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getf.sig r25 = f37
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xma.hu f43 = f35, f6, f47
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;;
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getf.sig r29 = f41
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getf.sig r26 = f38
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getf.sig r30 = f42
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getf.sig r27 = f39
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br .Lcj4
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.grt4:
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ldf8 f32 = [up], 8
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xma.l f37 = f33, f6, f45
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ldf8 f44 = [rp], 8
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xma.hu f41 = f33, f6, f45
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;;
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ldf8 f33 = [up], 8
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xma.l f38 = f34, f6, f46
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ldf8 f45 = [rp], 8
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xma.hu f42 = f34, f6, f46
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;;
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ldf8 f34 = [up], 8
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getf.sig r24 = f36 C FIXME
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xma.l f39 = f35, f6, f47
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ldf8 f46 = [rp], 8
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getf.sig r28 = f40
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xma.hu f43 = f35, f6, f47
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;;
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ldf8 f35 = [up], 8
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getf.sig r25 = f37
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ldf8 f47 = [rp], 8
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br.cloop.dptk .grt8
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getf.sig r29 = f41
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stf8 [r20] = f36, 8 C FIXME
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xma.l f36 = f32, f6, f44
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getf.sig r26 = f38
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getf.sig r30 = f42
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xma.hu f40 = f32, f6, f44
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;;
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xma.l f37 = f33, f6, f45
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getf.sig r27 = f39
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xma.hu f41 = f33, f6, f45
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br .Lcj8
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.grt8:
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getf.sig r29 = f41
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xma.l f36 = f32, f6, f44
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mov r31 = 0
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xma.hu f40 = f32, f6, f44
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;;
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ldf8 f32 = [up], 8
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getf.sig r26 = f38
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br .LL00
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C *** MAIN LOOP START ***
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ALIGN(32) C insn fed cycle #
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.Loop:
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.pred.rel "mutex", p6, p7 C num by i1 i2
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getf.sig r29 = f41 C 00 16 0 0
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xma.l f36 = f32, f6, f44 C 01 06,15 0 0
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(p6) add r14 = r30, r27, 1 C 02 0 0
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ldf8 f47 = [rp], 8 C 03 0 0
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xma.hu f40 = f32, f6, f44 C 04 06,15 0 0
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(p7) add r14 = r30, r27 C 05 0 0
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;;
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.pred.rel "mutex", p6, p7
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ldf8 f32 = [up], 8 C 06 1 1
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(p6) cmp.leu p8, p9 = r14, r27 C 07 1 1
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(p7) cmp.ltu p8, p9 = r14, r27 C 08 1 1
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getf.sig r26 = f38 C 09 25 2 1
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st8 [r20] = r14, 8 C 10 2 1
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nop.b 0 C 11 2 1
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;;
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.LL00:
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.pred.rel "mutex", p8, p9
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getf.sig r30 = f42 C 12 28 3 2
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xma.l f37 = f33, f6, f45 C 13 18,27 3 2
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(p8) add r16 = r31, r24, 1 C 14 3 2
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ldf8 f44 = [rp], 8 C 15 3 2
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xma.hu f41 = f33, f6, f45 C 16 18,27 3 2
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(p9) add r16 = r31, r24 C 17 3 2
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;;
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.pred.rel "mutex", p8, p9
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ldf8 f33 = [up], 8 C 18 4 3
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(p8) cmp.leu p6, p7 = r16, r24 C 19 4 3
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(p9) cmp.ltu p6, p7 = r16, r24 C 20 4 3
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getf.sig r27 = f39 C 21 37 5 3
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st8 [r20] = r16, 8 C 22 5 3
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nop.b 0 C 23 5 3
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;;
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.LL11:
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.pred.rel "mutex", p6, p7
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getf.sig r31 = f43 C 24 40 6 4
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xma.l f38 = f34, f6, f46 C 25 30,39 6 4
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(p6) add r14 = r28, r25, 1 C 26 6 4
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ldf8 f45 = [rp], 8 C 27 6 4
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xma.hu f42 = f34, f6, f46 C 28 30,39 6 4
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(p7) add r14 = r28, r25 C 29 6 4
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;;
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.pred.rel "mutex", p6, p7
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ldf8 f34 = [up], 8 C 30 7 5
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(p6) cmp.leu p8, p9 = r14, r25 C 31 7 5
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(p7) cmp.ltu p8, p9 = r14, r25 C 32 7 5
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getf.sig r24 = f36 C 33 01 8 5
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st8 [r20] = r14, 8 C 34 8 5
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nop.b 0 C 35 8 5
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;;
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.LL10:
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.pred.rel "mutex", p8, p9
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getf.sig r28 = f40 C 36 04 9 6
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xma.l f39 = f35, f6, f47 C 37 42,03 9 6
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(p8) add r16 = r29, r26, 1 C 38 9 6
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ldf8 f46 = [rp], 8 C 39 9 6
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xma.hu f43 = f35, f6, f47 C 40 42,03 9 6
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(p9) add r16 = r29, r26 C 41 9 6
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;;
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.pred.rel "mutex", p8, p9
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ldf8 f35 = [up], 8 C 42 10 7
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(p8) cmp.leu p6, p7 = r16, r26 C 43 10 7
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(p9) cmp.ltu p6, p7 = r16, r26 C 44 10 7
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getf.sig r25 = f37 C 45 13 11 7
|
|
st8 [r20] = r16, 8 C 46 11 7
|
|
br.cloop.dptk .Loop C 47 11 7
|
|
C *** MAIN LOOP END ***
|
|
;;
|
|
.Le0:
|
|
.pred.rel "mutex", p6, p7
|
|
getf.sig r29 = f41 C
|
|
xma.l f36 = f32, f6, f44 C
|
|
(p6) add r14 = r30, r27, 1 C
|
|
ldf8 f47 = [rp], 8 C
|
|
xma.hu f40 = f32, f6, f44 C
|
|
(p7) add r14 = r30, r27 C
|
|
;;
|
|
.pred.rel "mutex", p6, p7
|
|
(p6) cmp.leu p8, p9 = r14, r27 C
|
|
(p7) cmp.ltu p8, p9 = r14, r27 C
|
|
getf.sig r26 = f38 C
|
|
st8 [r20] = r14, 8 C
|
|
;;
|
|
.pred.rel "mutex", p8, p9
|
|
getf.sig r30 = f42 C
|
|
xma.l f37 = f33, f6, f45 C
|
|
(p8) add r16 = r31, r24, 1 C
|
|
xma.hu f41 = f33, f6, f45 C
|
|
(p9) add r16 = r31, r24 C
|
|
;;
|
|
.pred.rel "mutex", p8, p9
|
|
(p8) cmp.leu p6, p7 = r16, r24 C
|
|
(p9) cmp.ltu p6, p7 = r16, r24 C
|
|
getf.sig r27 = f39 C
|
|
st8 [r20] = r16, 8 C
|
|
;;
|
|
.Lcj8:
|
|
.pred.rel "mutex", p6, p7
|
|
getf.sig r31 = f43 C
|
|
xma.l f38 = f34, f6, f46 C
|
|
(p6) add r14 = r28, r25, 1 C
|
|
xma.hu f42 = f34, f6, f46 C
|
|
(p7) add r14 = r28, r25 C
|
|
;;
|
|
.pred.rel "mutex", p6, p7
|
|
(p6) cmp.leu p8, p9 = r14, r25 C
|
|
(p7) cmp.ltu p8, p9 = r14, r25 C
|
|
getf.sig r24 = f36 C
|
|
st8 [r20] = r14, 8 C
|
|
;;
|
|
.Lcj7:
|
|
.pred.rel "mutex", p8, p9
|
|
getf.sig r28 = f40 C
|
|
xma.l f39 = f35, f6, f47 C
|
|
(p8) add r16 = r29, r26, 1 C
|
|
xma.hu f43 = f35, f6, f47 C
|
|
(p9) add r16 = r29, r26 C
|
|
;;
|
|
.pred.rel "mutex", p8, p9
|
|
(p8) cmp.leu p6, p7 = r16, r26 C
|
|
(p9) cmp.ltu p6, p7 = r16, r26 C
|
|
getf.sig r25 = f37 C
|
|
st8 [r20] = r16, 8 C
|
|
;;
|
|
.Lcj6:
|
|
.pred.rel "mutex", p6, p7
|
|
getf.sig r29 = f41 C
|
|
(p6) add r14 = r30, r27, 1 C
|
|
(p7) add r14 = r30, r27 C
|
|
;;
|
|
.pred.rel "mutex", p6, p7
|
|
(p6) cmp.leu p8, p9 = r14, r27 C
|
|
(p7) cmp.ltu p8, p9 = r14, r27 C
|
|
getf.sig r26 = f38 C
|
|
st8 [r20] = r14, 8 C
|
|
;;
|
|
.Lcj5:
|
|
.pred.rel "mutex", p8, p9
|
|
getf.sig r30 = f42 C
|
|
(p8) add r16 = r31, r24, 1 C
|
|
(p9) add r16 = r31, r24 C
|
|
;;
|
|
.pred.rel "mutex", p8, p9
|
|
(p8) cmp.leu p6, p7 = r16, r24 C
|
|
(p9) cmp.ltu p6, p7 = r16, r24 C
|
|
getf.sig r27 = f39 C
|
|
st8 [r20] = r16, 8 C
|
|
;;
|
|
.Lcj4:
|
|
.pred.rel "mutex", p6, p7
|
|
getf.sig r8 = f43 C
|
|
(p6) add r14 = r28, r25, 1 C
|
|
(p7) add r14 = r28, r25 C
|
|
;;
|
|
.pred.rel "mutex", p6, p7
|
|
st8 [r20] = r14, 8 C
|
|
(p6) cmp.leu p8, p9 = r14, r25 C
|
|
(p7) cmp.ltu p8, p9 = r14, r25 C
|
|
;;
|
|
.Lcj3:
|
|
.pred.rel "mutex", p8, p9
|
|
(p8) add r16 = r29, r26, 1 C
|
|
(p9) add r16 = r29, r26 C
|
|
;;
|
|
.pred.rel "mutex", p8, p9
|
|
st8 [r20] = r16, 8 C
|
|
(p8) cmp.leu p6, p7 = r16, r26 C
|
|
(p9) cmp.ltu p6, p7 = r16, r26 C
|
|
;;
|
|
.Lcj2:
|
|
.pred.rel "mutex", p6, p7
|
|
(p6) add r14 = r30, r27, 1 C
|
|
(p7) add r14 = r30, r27 C
|
|
;;
|
|
.pred.rel "mutex", p6, p7
|
|
st8 [r20] = r14 C
|
|
(p6) cmp.leu p8, p9 = r14, r27 C
|
|
(p7) cmp.ltu p8, p9 = r14, r27 C
|
|
;;
|
|
(p8) add r8 = 1, r8 C M I
|
|
mov.i ar.lc = r2 C I0
|
|
br.ret.sptk.many b0 C B
|
|
EPILOGUE()
|
|
ASM_END()
|