! SPARC __udiv_qrnnd division support, used from longlong.h. ! ! Copyright (C) 1993, 1994, 1997 Free Software Foundation, Inc. ! ! This file is part of the GNU MP Library. ! ! The GNU MP Library is free software; you can redistribute it and/or modify ! it under the terms of the GNU Lesser General Public License as published by ! the Free Software Foundation; either version 2.1 of the License, or (at your ! option) any later version. ! ! The GNU MP Library is distributed in the hope that it will be useful, but ! WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY ! or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public ! License for more details. ! ! You should have received a copy of the GNU Lesser General Public License ! along with the GNU MP Library; see the file COPYING.LIB. If not, write to ! the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. ! ! Added PIC support - May/96, Miguel de Icaza ! ! INPUT PARAMETERS ! rem_ptr i0 ! n1 i1 ! n0 i2 ! d i3 #include #undef ret /* Kludge for glibc */ #ifdef PIC .text #else .section .rodata,#alloc #endif .align 8 .type two_to_32,@object .size two_to_32,8 two_to_32: .double 0r4294967296 .type two_to_31,@object .size two_to_31,8 two_to_31: .double 0r2147483648 .text ENTRY(__udiv_qrnnd) !#PROLOGUE# 0 save %sp,-104,%sp !#PROLOGUE# 1 st %i1,[%fp-8] ld [%fp-8],%f10 #ifdef PIC LOC(base): call 1f fitod %f10,%f4 1: ldd [%o7-(LOC(base)-two_to_32)],%f8 #else sethi %hi(two_to_32),%o7 fitod %f10,%f4 ldd [%o7+%lo(two_to_32)],%f8 #endif cmp %i1,0 bge LOC(248) mov %i0,%i5 faddd %f4,%f8,%f4 LOC(248): st %i2,[%fp-8] ld [%fp-8],%f10 fmuld %f4,%f8,%f6 cmp %i2,0 bge LOC(249) fitod %f10,%f2 faddd %f2,%f8,%f2 LOC(249): st %i3,[%fp-8] faddd %f6,%f2,%f2 ld [%fp-8],%f10 cmp %i3,0 bge LOC(250) fitod %f10,%f4 faddd %f4,%f8,%f4 LOC(250): fdivd %f2,%f4,%f2 #ifdef PIC ldd [%o7-(LOC(base)-two_to_31)],%f4 #else sethi %hi(two_to_31),%o7 ldd [%o7+%lo(two_to_31)],%f4 #endif fcmped %f2,%f4 nop fbge,a LOC(251) fsubd %f2,%f4,%f2 fdtoi %f2,%f2 st %f2,[%fp-8] b LOC(252) ld [%fp-8],%i4 LOC(251): fdtoi %f2,%f2 st %f2,[%fp-8] ld [%fp-8],%i4 sethi %hi(-2147483648),%g2 xor %i4,%g2,%i4 LOC(252): wr %g0,%i4,%y sra %i3,31,%g2 and %i4,%g2,%g2 andcc %g0,0,%g1 mulscc %g1,%i3,%g1 mulscc %g1,%i3,%g1 mulscc %g1,%i3,%g1 mulscc %g1,%i3,%g1 mulscc %g1,%i3,%g1 mulscc %g1,%i3,%g1 mulscc %g1,%i3,%g1 mulscc %g1,%i3,%g1 mulscc %g1,%i3,%g1 mulscc %g1,%i3,%g1 mulscc %g1,%i3,%g1 mulscc %g1,%i3,%g1 mulscc %g1,%i3,%g1 mulscc %g1,%i3,%g1 mulscc %g1,%i3,%g1 mulscc %g1,%i3,%g1 mulscc %g1,%i3,%g1 mulscc %g1,%i3,%g1 mulscc %g1,%i3,%g1 mulscc %g1,%i3,%g1 mulscc %g1,%i3,%g1 mulscc %g1,%i3,%g1 mulscc %g1,%i3,%g1 mulscc %g1,%i3,%g1 mulscc %g1,%i3,%g1 mulscc %g1,%i3,%g1 mulscc %g1,%i3,%g1 mulscc %g1,%i3,%g1 mulscc %g1,%i3,%g1 mulscc %g1,%i3,%g1 mulscc %g1,%i3,%g1 mulscc %g1,%i3,%g1 mulscc %g1,0,%g1 add %g1,%g2,%i0 rd %y,%g3 subcc %i2,%g3,%o7 subxcc %i1,%i0,%g0 be LOC(253) cmp %o7,%i3 add %i4,-1,%i0 add %o7,%i3,%o7 st %o7,[%i5] ret restore LOC(253): blu LOC(246) mov %i4,%i0 add %i4,1,%i0 sub %o7,%i3,%o7 LOC(246): st %o7,[%i5] ret restore END(__udiv_qrnnd)