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-rw-r--r--contrib/libgmp/mpn/sparc32/udiv_fp.S145
1 files changed, 145 insertions, 0 deletions
diff --git a/contrib/libgmp/mpn/sparc32/udiv_fp.S b/contrib/libgmp/mpn/sparc32/udiv_fp.S
new file mode 100644
index 000000000000..d11227dff4bf
--- /dev/null
+++ b/contrib/libgmp/mpn/sparc32/udiv_fp.S
@@ -0,0 +1,145 @@
+! SPARC v7 __udiv_qrnnd division support, used from longlong.h.
+! This is for v7 CPUs with a floating-point unit.
+
+! Copyright (C) 1993, 1994, 1996 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 Library General Public License as published by
+! the Free Software Foundation; either version 2 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 Library General Public
+! License for more details.
+
+! You should have received a copy of the GNU Library General Public License
+! along with the GNU MP Library; see the file COPYING.LIB. If not, write to
+! the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+! MA 02111-1307, USA.
+
+
+! INPUT PARAMETERS
+! rem_ptr i0
+! n1 i1
+! n0 i2
+! d i3
+
+#include "sysdep.h"
+#undef ret /* Kludge for glibc */
+
+ .text
+ .align 8
+LC0: .double 0r4294967296
+LC1: .double 0r2147483648
+
+ .align 4
+ .global C_SYMBOL_NAME(__udiv_qrnnd)
+C_SYMBOL_NAME(__udiv_qrnnd):
+ !#PROLOGUE# 0
+ save %sp,-104,%sp
+ !#PROLOGUE# 1
+ st %i1,[%fp-8]
+ ld [%fp-8],%f10
+ sethi %hi(LC0),%o7
+ fitod %f10,%f4
+ ldd [%o7+%lo(LC0)],%f8
+ cmp %i1,0
+ bge L248
+ mov %i0,%i5
+ faddd %f4,%f8,%f4
+L248:
+ st %i2,[%fp-8]
+ ld [%fp-8],%f10
+ fmuld %f4,%f8,%f6
+ cmp %i2,0
+ bge L249
+ fitod %f10,%f2
+ faddd %f2,%f8,%f2
+L249:
+ st %i3,[%fp-8]
+ faddd %f6,%f2,%f2
+ ld [%fp-8],%f10
+ cmp %i3,0
+ bge L250
+ fitod %f10,%f4
+ faddd %f4,%f8,%f4
+L250:
+ fdivd %f2,%f4,%f2
+ sethi %hi(LC1),%o7
+ ldd [%o7+%lo(LC1)],%f4
+ fcmped %f2,%f4
+ nop
+ fbge,a L251
+ fsubd %f2,%f4,%f2
+ fdtoi %f2,%f2
+ st %f2,[%fp-8]
+ b L252
+ ld [%fp-8],%i4
+L251:
+ fdtoi %f2,%f2
+ st %f2,[%fp-8]
+ ld [%fp-8],%i4
+ sethi %hi(-2147483648),%g2
+ xor %i4,%g2,%i4
+L252:
+ 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 L253
+ cmp %o7,%i3
+
+ add %i4,-1,%i0
+ add %o7,%i3,%o7
+ st %o7,[%i5]
+ ret
+ restore
+L253:
+ blu L246
+ mov %i4,%i0
+ add %i4,1,%i0
+ sub %o7,%i3,%o7
+L246:
+ st %o7,[%i5]
+ ret
+ restore