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|
dnl IA-64 mpn_bdiv_dbm1.
dnl Contributed to the GNU project by Torbjorn Granlund.
dnl Copyright 2008, 2009 Free Software Foundation, Inc.
dnl This file is part of the GNU MP Library.
dnl
dnl The GNU MP Library is free software; you can redistribute it and/or modify
dnl it under the terms of either:
dnl
dnl * the GNU Lesser General Public License as published by the Free
dnl Software Foundation; either version 3 of the License, or (at your
dnl option) any later version.
dnl
dnl or
dnl
dnl * the GNU General Public License as published by the Free Software
dnl Foundation; either version 2 of the License, or (at your option) any
dnl later version.
dnl
dnl or both in parallel, as here.
dnl
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 General Public License
dnl for more details.
dnl
dnl You should have received copies of the GNU General Public License and the
dnl GNU Lesser General Public License along with the GNU MP Library. If not,
dnl see https://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()
|
