File: [local] / OpenXM_contrib / gmp / mpn / ia64 / Attic / addmul_1.asm (download)
Revision 1.1.1.1 (vendor branch), Mon Aug 25 16:06:21 2003 UTC (21 years ago) by ohara
Branch: GMP
CVS Tags: VERSION_4_1_2, RELEASE_1_2_3, RELEASE_1_2_2_KNOPPIX_b, RELEASE_1_2_2_KNOPPIX Changes since 1.1: +0 -0
lines
Import gmp 4.1.2
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dnl IA-64 mpn_addmul_1 -- Multiply a limb vector with a limb and add the
dnl result to a second limb vector.
dnl Copyright 2000, 2001, 2002 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 2.1 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; see the file COPYING.LIB. If not, write to
dnl the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
dnl MA 02111-1307, USA.
include(`../config.m4')
C INPUT PARAMETERS
C rp = r32
C up = r33
C n = r34
C v = r35
C cycles/limb
C Itanium: 4
C Itanium 2: ?
C The full speed is reached C only for really huge operands. See README for
C possible improvements.
ASM_START()
PROLOGUE(mpn_addmul_1)
.prologue
.save ar.pfs, r21
alloc r21 = ar.pfs, 4, 12, 0, 16
.save ar.lc, r2
mov r2 = ar.lc
mov r20 = ar.ec
.save pr, r22
mov r22 = pr
.body
ifdef(`HAVE_ABI_32',
` addp4 r32 = 0, r32
addp4 r33 = 0, r33
sxt4 r34 = r34
;;
')
{ .mfi; setf.sig f6 = r35
nop.f 0
adds r19 = -1, r34 C n - 1
} { .mfi; cmp.ne p6, p7 = r0, r0
nop.f 0
mov r18 = r32 ;;
} { .mfi; mov r16 = r32
nop.f 0
mov ar.lc = r19
} { .mfi; mov r17 = r33
nop.f 0
mov ar.ec = 7
} { .mii; cmp.ne p6, p7 = r0, r0
mov pr.rot = 1<<16
mov r32 = 0 C clear "carry in"
} { .mib; mov r33 = 0 C clear for cmp
mov r34 = 0 C clear for cmp
nop.b 0
} { .mib; mov r35 = 0 C clear for cmp
mov r36 = 0 C clear for cmp
nop.b 0 ;;
}
.align 32
.Loop:
.pred.rel "mutex",p6,p7
{ .mfi; (p16) ldf8 f32 = [r17], 8 C *0,3,6,9,12,15,18
(p19) xma.l f40 = f35, f6, f39 C 0,3,6,*9,12,15,18
(p6) add r14 = r33, r38, 1 C 0,3,6,9,12,15,*18
} { .mfi; (p16) ldf8 f36 = [r16], 8 C *0,3,6,9,12,15,18
(p19) xma.hu f44 = f35, f6, f39 C 0,3,6,*9,12,15,18
(p7) add r14 = r33, r38 ;; C 0,3,6,9,12,15,*18
} { .mii; (p21) getf.sig r32 = f42 C 1,4,7,10,13,*16,19
(p6) cmp.leu p8, p9 = r14, r33 C 1,4,7,10,13,16,*19
(p7) cmp.ltu p8, p9 = r14, r33;; C 1,4,7,10,13,16,*19
}
.pred.rel "mutex",p8,p9
{ .mib; (p21) getf.sig r36 = f46 C 2,5,8,11,14,*17,20
(p8) cmp.eq p6, p7 = r0, r0
nop.b 0
} { .mib; (p22) st8 [r18] = r14, 8 C 2,5,8,11,14,17,*20
(p9) cmp.ne p6, p7 = r0, r0
br.ctop.sptk .Loop ;;
}
.pred.rel "mutex",p6,p7
(p6) add r8 = 1, r38
(p7) mov r8 = r38
mov pr = r22,0x1fffe
mov ar.lc = r2
mov ar.ec = r20
mov ar.pfs = r21;;
br.ret.sptk.many b0
EPILOGUE(mpn_addmul_1)
ASM_END()