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| author | Richard Henderson <rth@redhat.com> | 2004-03-06 20:46:23 +0000 |
|---|---|---|
| committer | Richard Henderson <rth@redhat.com> | 2004-03-06 20:46:23 +0000 |
| commit | a598e3fc041f38d0c43be55d1664ff7ed0cf405b (patch) | |
| tree | da22cbd1cae0cff761823248c1350f7d6ec32177 /sysdeps/alpha/soft-fp/ots_sub.c | |
| parent | 4df8c11d26a29bc3a6116a9125cdfdca3cd517bb (diff) | |
| download | glibc-a598e3fc041f38d0c43be55d1664ff7ed0cf405b.zip glibc-a598e3fc041f38d0c43be55d1664ff7ed0cf405b.tar.gz glibc-a598e3fc041f38d0c43be55d1664ff7ed0cf405b.tar.bz2 | |
* soft-fp/quad.h (union _FP_UNION_Q): Add longs structure. * sysdeps/alpha/Implies: Add alpha/soft-fp. * sysdeps/alpha/soft-fp/sfp-machine.h: Rewrite for GEM interface. * sysdeps/alpha/Subdirs, sysdeps/alpha/soft-fp/Makefile, sysdeps/alpha/soft-fp/Versions, sysdeps/alpha/soft-fp/local-soft-fp.h, sysdeps/alpha/soft-fp/ots_add.c, sysdeps/alpha/soft-fp/ots_cmp.c, sysdeps/alpha/soft-fp/ots_cmpe.c, sysdeps/alpha/soft-fp/ots_cvtqux.c, sysdeps/alpha/soft-fp/ots_cvtqx.c, sysdeps/alpha/soft-fp/ots_cvttx.c, sysdeps/alpha/soft-fp/ots_cvtxq.c, sysdeps/alpha/soft-fp/ots_cvtxt.c, sysdeps/alpha/soft-fp/ots_div.c, sysdeps/alpha/soft-fp/ots_mul.c, sysdeps/alpha/soft-fp/ots_nintxq.c, sysdeps/alpha/soft-fp/ots_sub.c: New files.
2004-03-06 Richard Henderson <rth@redhat.com>
* soft-fp/quad.h (union _FP_UNION_Q): Add longs structure.
* sysdeps/alpha/Implies: Add alpha/soft-fp.
* sysdeps/alpha/soft-fp/sfp-machine.h: Rewrite for GEM interface.
* sysdeps/alpha/Subdirs, sysdeps/alpha/soft-fp/Makefile,
sysdeps/alpha/soft-fp/Versions, sysdeps/alpha/soft-fp/local-soft-fp.h,
sysdeps/alpha/soft-fp/ots_add.c, sysdeps/alpha/soft-fp/ots_cmp.c,
sysdeps/alpha/soft-fp/ots_cmpe.c, sysdeps/alpha/soft-fp/ots_cvtqux.c,
sysdeps/alpha/soft-fp/ots_cvtqx.c, sysdeps/alpha/soft-fp/ots_cvttx.c,
sysdeps/alpha/soft-fp/ots_cvtxq.c, sysdeps/alpha/soft-fp/ots_cvtxt.c,
sysdeps/alpha/soft-fp/ots_div.c, sysdeps/alpha/soft-fp/ots_mul.c,
sysdeps/alpha/soft-fp/ots_nintxq.c, sysdeps/alpha/soft-fp/ots_sub.c:
New files.
Diffstat (limited to 'sysdeps/alpha/soft-fp/ots_sub.c')
| -rw-r--r-- | sysdeps/alpha/soft-fp/ots_sub.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/sysdeps/alpha/soft-fp/ots_sub.c b/sysdeps/alpha/soft-fp/ots_sub.c new file mode 100644 index 0000000..c10043f --- /dev/null +++ b/sysdeps/alpha/soft-fp/ots_sub.c @@ -0,0 +1,39 @@ +/* Software floating-point emulation: subtraction. + Copyright (C) 1997,1999,2004 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Richard Henderson (rth@cygnus.com) and + Jakub Jelinek (jj@ultra.linux.cz). + + The GNU C 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 C 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 C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include "local-soft-fp.h" + +void +_OtsSubX(long al, long ah, long bl, long bh, long _round) +{ + FP_DECL_EX; + FP_DECL_Q(A); FP_DECL_Q(B); FP_DECL_Q(C); + FP_DECL_RETURN(c); + + FP_INIT_ROUNDMODE; + FP_UNPACK_Q(A, a); + FP_UNPACK_Q(B, b); + FP_SUB_Q(C, A, B); + FP_PACK_Q(c, C); + FP_HANDLE_EXCEPTIONS; + + FP_RETURN(c); +} |