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|
dnl IA-64 mpn_bdiv_dbm1.
dnl Copyright 2008, 2009 Free Software Foundation, Inc.
dnl This file is part of the GNU MP Library.
dnl The GNU MP Library is free software; you can redistribute it and/or modify
dnl it under the terms of the GNU Lesser General Public License as published
dnl by the Free Software Foundation; either version 3 of the License, or (at
dnl your option) any later version.
dnl The GNU MP Library is distributed in the hope that it will be useful, but
dnl WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
dnl or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
dnl License for more details.
dnl You should have received a copy of the GNU Lesser General Public License
dnl along with the GNU MP Library. If not, see http://www.gnu.org/licenses/.
include(`../config.m4')
C cycles/limb
C Itanium: 4
C Itanium 2: 2
C TODO
C * Optimize feed-in and wind-down code, both for speed and code size.
C INPUT PARAMETERS
define(`rp', `r32')
define(`up', `r33')
define(`n', `r34')
define(`bd', `r35')
ASM_START()
PROLOGUE(mpn_bdiv_dbm1c)
.prologue
.save ar.lc, r2
.body
ifdef(`HAVE_ABI_32',
` addp4 rp = 0, rp C M I
addp4 up = 0, up C M I
zxt4 n = n C I
;;
')
{.mmb
mov r15 = r36 C M I
ldf8 f9 = [up], 8 C M
nop.b 0 C B
}
.Lcommon:
{.mii
adds r16 = -1, n C M I
mov r2 = ar.lc C I0
and r14 = 3, n C M I
;;
}
{.mii
setf.sig f6 = bd C M2 M3
shr.u r31 = r16, 2 C I0
cmp.eq p10, p0 = 0, r14 C M I
}
{.mii
nop.m 0 C M
cmp.eq p11, p0 = 2, r14 C M I
cmp.eq p12, p0 = 3, r14 C M I
;;
}
{.mii
cmp.ne p6, p7 = r0, r0 C M I
mov.i ar.lc = r31 C I0
cmp.ne p8, p9 = r0, r0 C M I
}
{.bbb
(p10) br.dptk .Lb00 C B
(p11) br.dptk .Lb10 C B
(p12) br.dptk .Lb11 C B
;;
}
.Lb01: br.cloop.dptk .grt1
;;
xma.l f38 = f9, f6, f0
xma.hu f39 = f9, f6, f0
;;
getf.sig r26 = f38
getf.sig r27 = f39
br .Lcj1
.grt1: ldf8 f10 = [r33], 8
;;
ldf8 f11 = [r33], 8
;;
ldf8 f12 = [r33], 8
;;
xma.l f38 = f9, f6, f0
xma.hu f39 = f9, f6, f0
;;
ldf8 f13 = [r33], 8
;;
xma.l f32 = f10, f6, f0
xma.hu f33 = f10, f6, f0
br.cloop.dptk .grt5
;;
getf.sig r26 = f38
xma.l f34 = f11, f6, f0
xma.hu f35 = f11, f6, f0
;;
getf.sig r27 = f39
;;
getf.sig r20 = f32
xma.l f36 = f12, f6, f0
xma.hu f37 = f12, f6, f0
;;
getf.sig r21 = f33
;;
getf.sig r22 = f34
xma.l f38 = f13, f6, f0
xma.hu f39 = f13, f6, f0
br .Lcj5
.grt5: ldf8 f10 = [r33], 8
;;
getf.sig r26 = f38
xma.l f34 = f11, f6, f0
xma.hu f35 = f11, f6, f0
;;
getf.sig r27 = f39
ldf8 f11 = [r33], 8
;;
getf.sig r20 = f32
xma.l f36 = f12, f6, f0
xma.hu f37 = f12, f6, f0
;;
getf.sig r21 = f33
ldf8 f12 = [r33], 8
;;
getf.sig r22 = f34
xma.l f38 = f13, f6, f0
xma.hu f39 = f13, f6, f0
br .LL01
.Lb10: ldf8 f13 = [r33], 8
br.cloop.dptk .grt2
;;
xma.l f36 = f9, f6, f0
xma.hu f37 = f9, f6, f0
;;
xma.l f38 = f13, f6, f0
xma.hu f39 = f13, f6, f0
;;
getf.sig r24 = f36
;;
getf.sig r25 = f37
;;
getf.sig r26 = f38
;;
getf.sig r27 = f39
br .Lcj2
.grt2: ldf8 f10 = [r33], 8
;;
ldf8 f11 = [r33], 8
;;
xma.l f36 = f9, f6, f0
xma.hu f37 = f9, f6, f0
;;
ldf8 f12 = [r33], 8
;;
xma.l f38 = f13, f6, f0
xma.hu f39 = f13, f6, f0
;;
ldf8 f13 = [r33], 8
;;
getf.sig r24 = f36
xma.l f32 = f10, f6, f0
xma.hu f33 = f10, f6, f0
br.cloop.dptk .grt6
getf.sig r25 = f37
;;
getf.sig r26 = f38
xma.l f34 = f11, f6, f0
xma.hu f35 = f11, f6, f0
;;
getf.sig r27 = f39
;;
getf.sig r20 = f32
xma.l f36 = f12, f6, f0
xma.hu f37 = f12, f6, f0
br .Lcj6
.grt6: getf.sig r25 = f37
ldf8 f10 = [r33], 8
;;
getf.sig r26 = f38
xma.l f34 = f11, f6, f0
xma.hu f35 = f11, f6, f0
;;
getf.sig r27 = f39
ldf8 f11 = [r33], 8
;;
getf.sig r20 = f32
xma.l f36 = f12, f6, f0
xma.hu f37 = f12, f6, f0
br .LL10
.Lb11: ldf8 f12 = [r33], 8
;;
ldf8 f13 = [r33], 8
br.cloop.dptk .grt3
;;
xma.l f34 = f9, f6, f0
xma.hu f35 = f9, f6, f0
;;
xma.l f36 = f12, f6, f0
xma.hu f37 = f12, f6, f0
;;
getf.sig r22 = f34
xma.l f38 = f13, f6, f0
xma.hu f39 = f13, f6, f0
;;
getf.sig r23 = f35
;;
getf.sig r24 = f36
;;
getf.sig r25 = f37
;;
getf.sig r26 = f38
br .Lcj3
.grt3: ldf8 f10 = [r33], 8
;;
xma.l f34 = f9, f6, f0
xma.hu f35 = f9, f6, f0
;;
ldf8 f11 = [r33], 8
;;
xma.l f36 = f12, f6, f0
xma.hu f37 = f12, f6, f0
;;
ldf8 f12 = [r33], 8
;;
getf.sig r22 = f34
xma.l f38 = f13, f6, f0
xma.hu f39 = f13, f6, f0
;;
getf.sig r23 = f35
ldf8 f13 = [r33], 8
;;
getf.sig r24 = f36
xma.l f32 = f10, f6, f0
xma.hu f33 = f10, f6, f0
br.cloop.dptk .grt7
getf.sig r25 = f37
;;
getf.sig r26 = f38
xma.l f34 = f11, f6, f0
xma.hu f35 = f11, f6, f0
br .Lcj7
.grt7: getf.sig r25 = f37
ldf8 f10 = [r33], 8
;;
getf.sig r26 = f38
xma.l f34 = f11, f6, f0
xma.hu f35 = f11, f6, f0
br .LL11
.Lb00: ldf8 f11 = [r33], 8
;;
ldf8 f12 = [r33], 8
;;
ldf8 f13 = [r33], 8
br.cloop.dptk .grt4
;;
xma.l f32 = f9, f6, f0
xma.hu f33 = f9, f6, f0
;;
xma.l f34 = f11, f6, f0
xma.hu f35 = f11, f6, f0
;;
getf.sig r20 = f32
xma.l f36 = f12, f6, f0
xma.hu f37 = f12, f6, f0
;;
getf.sig r21 = f33
;;
getf.sig r22 = f34
xma.l f38 = f13, f6, f0
xma.hu f39 = f13, f6, f0
;;
getf.sig r23 = f35
;;
getf.sig r24 = f36
br .Lcj4
.grt4: xma.l f32 = f9, f6, f0
xma.hu f33 = f9, f6, f0
;;
ldf8 f10 = [r33], 8
;;
xma.l f34 = f11, f6, f0
xma.hu f35 = f11, f6, f0
;;
ldf8 f11 = [r33], 8
;;
getf.sig r20 = f32
xma.l f36 = f12, f6, f0
xma.hu f37 = f12, f6, f0
;;
getf.sig r21 = f33
ldf8 f12 = [r33], 8
;;
getf.sig r22 = f34
xma.l f38 = f13, f6, f0
xma.hu f39 = f13, f6, f0
;;
getf.sig r23 = f35
ldf8 f13 = [r33], 8
;;
getf.sig r24 = f36
xma.l f32 = f10, f6, f0
xma.hu f33 = f10, f6, f0
br.cloop.dptk .LL00
br .Lcj8
C *** MAIN LOOP START ***
ALIGN(32)
.Ltop:
.pred.rel "mutex",p6,p7
C .mfi
getf.sig r24 = f36
xma.l f32 = f10, f6, f0
(p6) sub r15 = r19, r27, 1
C .mfi
st8 [r32] = r19, 8
xma.hu f33 = f10, f6, f0
(p7) sub r15 = r19, r27
;;
.LL00:
C .mfi
getf.sig r25 = f37
nop.f 0
cmp.ltu p6, p7 = r15, r20
C .mib
ldf8 f10 = [r33], 8
sub r16 = r15, r20
nop.b 0
;;
C .mfi
getf.sig r26 = f38
xma.l f34 = f11, f6, f0
(p6) sub r15 = r16, r21, 1
C .mfi
st8 [r32] = r16, 8
xma.hu f35 = f11, f6, f0
(p7) sub r15 = r16, r21
;;
.LL11:
C .mfi
getf.sig r27 = f39
nop.f 0
cmp.ltu p6, p7 = r15, r22
C .mib
ldf8 f11 = [r33], 8
sub r17 = r15, r22
nop.b 0
;;
C .mfi
getf.sig r20 = f32
xma.l f36 = f12, f6, f0
(p6) sub r15 = r17, r23, 1
C .mfi
st8 [r32] = r17, 8
xma.hu f37 = f12, f6, f0
(p7) sub r15 = r17, r23
;;
.LL10:
C .mfi
getf.sig r21 = f33
nop.f 0
cmp.ltu p6, p7 = r15, r24
C .mib
ldf8 f12 = [r33], 8
sub r18 = r15, r24
nop.b 0
;;
C .mfi
getf.sig r22 = f34
xma.l f38 = f13, f6, f0
(p6) sub r15 = r18, r25, 1
C .mfi
st8 [r32] = r18, 8
xma.hu f39 = f13, f6, f0
(p7) sub r15 = r18, r25
;;
.LL01:
C .mfi
getf.sig r23 = f35
nop.f 0
cmp.ltu p6, p7 = r15, r26
C .mib
ldf8 f13 = [r33], 8
sub r19 = r15, r26
br.cloop.sptk.few .Ltop
C *** MAIN LOOP END ***
;;
getf.sig r24 = f36
xma.l f32 = f10, f6, f0
(p6) sub r15 = r19, r27, 1
st8 [r32] = r19, 8
xma.hu f33 = f10, f6, f0
(p7) sub r15 = r19, r27
;;
.Lcj8: getf.sig r25 = f37
cmp.ltu p6, p7 = r15, r20
sub r16 = r15, r20
;;
getf.sig r26 = f38
xma.l f34 = f11, f6, f0
(p6) sub r15 = r16, r21, 1
st8 [r32] = r16, 8
xma.hu f35 = f11, f6, f0
(p7) sub r15 = r16, r21
;;
.Lcj7: getf.sig r27 = f39
cmp.ltu p6, p7 = r15, r22
sub r17 = r15, r22
;;
getf.sig r20 = f32
xma.l f36 = f12, f6, f0
(p6) sub r15 = r17, r23, 1
st8 [r32] = r17, 8
xma.hu f37 = f12, f6, f0
(p7) sub r15 = r17, r23
;;
.Lcj6: getf.sig r21 = f33
cmp.ltu p6, p7 = r15, r24
sub r18 = r15, r24
;;
getf.sig r22 = f34
xma.l f38 = f13, f6, f0
(p6) sub r15 = r18, r25, 1
st8 [r32] = r18, 8
xma.hu f39 = f13, f6, f0
(p7) sub r15 = r18, r25
;;
.Lcj5: getf.sig r23 = f35
cmp.ltu p6, p7 = r15, r26
sub r19 = r15, r26
;;
getf.sig r24 = f36
(p6) sub r15 = r19, r27, 1
st8 [r32] = r19, 8
(p7) sub r15 = r19, r27
;;
.Lcj4: getf.sig r25 = f37
cmp.ltu p6, p7 = r15, r20
sub r16 = r15, r20
;;
getf.sig r26 = f38
(p6) sub r15 = r16, r21, 1
st8 [r32] = r16, 8
(p7) sub r15 = r16, r21
;;
.Lcj3: getf.sig r27 = f39
cmp.ltu p6, p7 = r15, r22
sub r17 = r15, r22
;;
(p6) sub r15 = r17, r23, 1
st8 [r32] = r17, 8
(p7) sub r15 = r17, r23
;;
.Lcj2: cmp.ltu p6, p7 = r15, r24
sub r18 = r15, r24
;;
(p6) sub r15 = r18, r25, 1
st8 [r32] = r18, 8
(p7) sub r15 = r18, r25
;;
.Lcj1: cmp.ltu p6, p7 = r15, r26
sub r19 = r15, r26
;;
(p6) sub r8 = r19, r27, 1
st8 [r32] = r19
(p7) sub r8 = r19, r27
mov ar.lc = r2
br.ret.sptk.many b0
EPILOGUE()
ASM_END()
|
