summaryrefslogtreecommitdiff
path: root/rts/gmp/mpn/sparc32/udiv_nfp.asm
diff options
context:
space:
mode:
Diffstat (limited to 'rts/gmp/mpn/sparc32/udiv_nfp.asm')
-rw-r--r--rts/gmp/mpn/sparc32/udiv_nfp.asm193
1 files changed, 0 insertions, 193 deletions
diff --git a/rts/gmp/mpn/sparc32/udiv_nfp.asm b/rts/gmp/mpn/sparc32/udiv_nfp.asm
deleted file mode 100644
index ae19f4c6e9..0000000000
--- a/rts/gmp/mpn/sparc32/udiv_nfp.asm
+++ /dev/null
@@ -1,193 +0,0 @@
-dnl SPARC v7 __udiv_qrnnd division support, used from longlong.h.
-dnl This is for v7 CPUs without a floating-point unit.
-
-dnl Copyright (C) 1993, 1994, 1996, 2000 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 rem_ptr o0
-C n1 o1
-C n0 o2
-C d o3
-
-ASM_START()
-PROLOGUE(mpn_udiv_qrnnd)
- tst %o3
- bneg L(largedivisor)
- mov 8,%g1
-
- b L(p1)
- addxcc %o2,%o2,%o2
-
-L(plop):
- bcc L(n1)
- addxcc %o2,%o2,%o2
-L(p1): addx %o1,%o1,%o1
- subcc %o1,%o3,%o4
- bcc L(n2)
- addxcc %o2,%o2,%o2
-L(p2): addx %o1,%o1,%o1
- subcc %o1,%o3,%o4
- bcc L(n3)
- addxcc %o2,%o2,%o2
-L(p3): addx %o1,%o1,%o1
- subcc %o1,%o3,%o4
- bcc L(n4)
- addxcc %o2,%o2,%o2
-L(p4): addx %o1,%o1,%o1
- addcc %g1,-1,%g1
- bne L(plop)
- subcc %o1,%o3,%o4
- bcc L(n5)
- addxcc %o2,%o2,%o2
-L(p5): st %o1,[%o0]
- retl
- xnor %g0,%o2,%o0
-
-L(nlop):
- bcc L(p1)
- addxcc %o2,%o2,%o2
-L(n1): addx %o4,%o4,%o4
- subcc %o4,%o3,%o1
- bcc L(p2)
- addxcc %o2,%o2,%o2
-L(n2): addx %o4,%o4,%o4
- subcc %o4,%o3,%o1
- bcc L(p3)
- addxcc %o2,%o2,%o2
-L(n3): addx %o4,%o4,%o4
- subcc %o4,%o3,%o1
- bcc L(p4)
- addxcc %o2,%o2,%o2
-L(n4): addx %o4,%o4,%o4
- addcc %g1,-1,%g1
- bne L(nlop)
- subcc %o4,%o3,%o1
- bcc L(p5)
- addxcc %o2,%o2,%o2
-L(n5): st %o4,[%o0]
- retl
- xnor %g0,%o2,%o0
-
-L(largedivisor):
- and %o2,1,%o5 C %o5 = n0 & 1
-
- srl %o2,1,%o2
- sll %o1,31,%g2
- or %g2,%o2,%o2 C %o2 = lo(n1n0 >> 1)
- srl %o1,1,%o1 C %o1 = hi(n1n0 >> 1)
-
- and %o3,1,%g2
- srl %o3,1,%g3 C %g3 = floor(d / 2)
- add %g3,%g2,%g3 C %g3 = ceil(d / 2)
-
- b L(Lp1)
- addxcc %o2,%o2,%o2
-
-L(Lplop):
- bcc L(Ln1)
- addxcc %o2,%o2,%o2
-L(Lp1): addx %o1,%o1,%o1
- subcc %o1,%g3,%o4
- bcc L(Ln2)
- addxcc %o2,%o2,%o2
-L(Lp2): addx %o1,%o1,%o1
- subcc %o1,%g3,%o4
- bcc L(Ln3)
- addxcc %o2,%o2,%o2
-L(Lp3): addx %o1,%o1,%o1
- subcc %o1,%g3,%o4
- bcc L(Ln4)
- addxcc %o2,%o2,%o2
-L(Lp4): addx %o1,%o1,%o1
- addcc %g1,-1,%g1
- bne L(Lplop)
- subcc %o1,%g3,%o4
- bcc L(Ln5)
- addxcc %o2,%o2,%o2
-L(Lp5): add %o1,%o1,%o1 C << 1
- tst %g2
- bne L(oddp)
- add %o5,%o1,%o1
- st %o1,[%o0]
- retl
- xnor %g0,%o2,%o0
-
-L(Lnlop):
- bcc L(Lp1)
- addxcc %o2,%o2,%o2
-L(Ln1): addx %o4,%o4,%o4
- subcc %o4,%g3,%o1
- bcc L(Lp2)
- addxcc %o2,%o2,%o2
-L(Ln2): addx %o4,%o4,%o4
- subcc %o4,%g3,%o1
- bcc L(Lp3)
- addxcc %o2,%o2,%o2
-L(Ln3): addx %o4,%o4,%o4
- subcc %o4,%g3,%o1
- bcc L(Lp4)
- addxcc %o2,%o2,%o2
-L(Ln4): addx %o4,%o4,%o4
- addcc %g1,-1,%g1
- bne L(Lnlop)
- subcc %o4,%g3,%o1
- bcc L(Lp5)
- addxcc %o2,%o2,%o2
-L(Ln5): add %o4,%o4,%o4 C << 1
- tst %g2
- bne L(oddn)
- add %o5,%o4,%o4
- st %o4,[%o0]
- retl
- xnor %g0,%o2,%o0
-
-L(oddp):
- xnor %g0,%o2,%o2
- C q' in %o2. r' in %o1
- addcc %o1,%o2,%o1
- bcc L(Lp6)
- addx %o2,0,%o2
- sub %o1,%o3,%o1
-L(Lp6): subcc %o1,%o3,%g0
- bcs L(Lp7)
- subx %o2,-1,%o2
- sub %o1,%o3,%o1
-L(Lp7): st %o1,[%o0]
- retl
- mov %o2,%o0
-
-L(oddn):
- xnor %g0,%o2,%o2
- C q' in %o2. r' in %o4
- addcc %o4,%o2,%o4
- bcc L(Ln6)
- addx %o2,0,%o2
- sub %o4,%o3,%o4
-L(Ln6): subcc %o4,%o3,%g0
- bcs L(Ln7)
- subx %o2,-1,%o2
- sub %o4,%o3,%o4
-L(Ln7): st %o4,[%o0]
- retl
- mov %o2,%o0
-EPILOGUE(mpn_udiv_qrnnd)