Annotation of OpenXM_contrib/gmp/mpn/hppa/hppa1_1/udiv_qrnnd.s, Revision 1.1
1.1 ! maekawa 1: ; HP-PA __udiv_qrnnd division support, used from longlong.h.
! 2: ; This version runs fast on PA 7000 and later.
! 3:
! 4: ; Copyright (C) 1993, 1994 Free Software Foundation, Inc.
! 5:
! 6: ; This file is part of the GNU MP Library.
! 7:
! 8: ; The GNU MP Library is free software; you can redistribute it and/or modify
! 9: ; it under the terms of the GNU Library General Public License as published by
! 10: ; the Free Software Foundation; either version 2 of the License, or (at your
! 11: ; option) any later version.
! 12:
! 13: ; The GNU MP Library is distributed in the hope that it will be useful, but
! 14: ; WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
! 15: ; or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public
! 16: ; License for more details.
! 17:
! 18: ; You should have received a copy of the GNU Library General Public License
! 19: ; along with the GNU MP Library; see the file COPYING.LIB. If not, write to
! 20: ; the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
! 21: ; MA 02111-1307, USA.
! 22:
! 23:
! 24: ; INPUT PARAMETERS
! 25: ; rem_ptr gr26
! 26: ; n1 gr25
! 27: ; n0 gr24
! 28: ; d gr23
! 29:
! 30: .code
! 31: L$0000 .word 0x43f00000
! 32: .word 0x0
! 33: .export __udiv_qrnnd
! 34: __udiv_qrnnd
! 35: .proc
! 36: .callinfo frame=64,no_calls
! 37: .entry
! 38: ldo 64(%r30),%r30
! 39:
! 40: stws %r25,-16(0,%r30) ; n_hi
! 41: stws %r24,-12(0,%r30) ; n_lo
! 42: ldil L'L$0000,%r19
! 43: ldo R'L$0000(%r19),%r19
! 44: fldds -16(0,%r30),%fr5
! 45: stws %r23,-12(0,%r30)
! 46: comib,<= 0,%r25,L$1
! 47: fcnvxf,dbl,dbl %fr5,%fr5
! 48: fldds 0(0,%r19),%fr4
! 49: fadd,dbl %fr4,%fr5,%fr5
! 50: L$1
! 51: fcpy,sgl %fr0,%fr6L
! 52: fldws -12(0,%r30),%fr6R
! 53: fcnvxf,dbl,dbl %fr6,%fr4
! 54:
! 55: fdiv,dbl %fr5,%fr4,%fr5
! 56:
! 57: fcnvfx,dbl,dbl %fr5,%fr4
! 58: fstws %fr4R,-16(%r30)
! 59: xmpyu %fr4R,%fr6R,%fr6
! 60: ldws -16(%r30),%r28
! 61: fstds %fr6,-16(0,%r30)
! 62: ldws -12(0,%r30),%r21
! 63: ldws -16(0,%r30),%r20
! 64: sub %r24,%r21,%r22
! 65: subb %r25,%r20,%r19
! 66: comib,= 0,%r19,L$2
! 67: ldo -64(%r30),%r30
! 68:
! 69: add %r22,%r23,%r22
! 70: ldo -1(%r28),%r28
! 71: L$2 bv 0(%r2)
! 72: stws %r22,0(0,%r26)
! 73:
! 74: .exit
! 75: .procend
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>