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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, 2000 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 Lesser General Public License as published by
        !            10: ; the Free Software Foundation; either version 2.1 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 Lesser General Public
        !            16: ; License for more details.
        !            17:
        !            18: ; You should have received a copy of the GNU Lesser 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              ; 2^64
        !            32:        .word           0x0
        !            33:        .export         __gmpn_udiv_qrnnd
        !            34: __gmpn_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: #ifdef PIC
        !            43:        addil           LT%L$0000,%r19
        !            44:        ldo             RT%L$0000(%r1),%r19
        !            45: #else
        !            46:        ldil            L%L$0000,%r19
        !            47:        ldo             R%L$0000(%r19),%r19
        !            48: #endif
        !            49:        fldds           -16(0,%r30),%fr5
        !            50:        stws            %r23,-12(0,%r30)
        !            51:        comib,<=        0,%r25,L$1
        !            52:        fcnvxf,dbl,dbl  %fr5,%fr5
        !            53:        fldds           0(0,%r19),%fr4
        !            54:        fadd,dbl        %fr4,%fr5,%fr5
        !            55: L$1
        !            56:        fcpy,sgl        %fr0,%fr6L
        !            57:        fldws           -12(0,%r30),%fr6R
        !            58:        fcnvxf,dbl,dbl  %fr6,%fr4
        !            59:
        !            60:        fdiv,dbl        %fr5,%fr4,%fr5
        !            61:
        !            62:        fcnvfx,dbl,dbl  %fr5,%fr4
        !            63:        fstws           %fr4R,-16(%r30)
        !            64:        xmpyu           %fr4R,%fr6R,%fr6
        !            65:        ldws            -16(%r30),%r28
        !            66:        fstds           %fr6,-16(0,%r30)
        !            67:        ldws            -12(0,%r30),%r21
        !            68:        ldws            -16(0,%r30),%r20
        !            69:        sub             %r24,%r21,%r22
        !            70:        subb            %r25,%r20,%r19
        !            71:        comib,=         0,%r19,L$2
        !            72:        ldo             -64(%r30),%r30
        !            73:
        !            74:        add             %r22,%r23,%r22
        !            75:        ldo             -1(%r28),%r28
        !            76: L$2    bv              0(%r2)
        !            77:        stws            %r22,0(0,%r26)
        !            78:
        !            79:        .exit
        !            80:        .procend