diff options
author | Austin Foxley <austinf@cetoncorp.com> | 2010-11-18 10:20:43 -0800 |
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committer | Austin Foxley <austinf@cetoncorp.com> | 2010-11-18 10:20:43 -0800 |
commit | e428bff6b2825a5081ae2f081471e5e3921a2e9f (patch) | |
tree | 08f93666d5eccc626207da68cb7b699ae14af2f9 /libc/sysdeps/linux/sparc/soft-fp/q_qtoull.c | |
parent | c452a58e65a2600ab1e9a7be2e5a6e4cae0e8b2a (diff) |
Adding quad float gcc intrinsic implementation for SPARC
Sparc-Gcc generates q_xxx intrinsic calls for quad float ("long double")
code. The routines from glibc's glibc-2.9/sysdeps/sparc/sparc32/soft-fp/*
where taken and ported to uclibc.
Signed-off-by: Konrad Eisele <konrad@gaisler.com>
Signed-off-by: Austin Foxley <austinf@cetoncorp.com>
Diffstat (limited to 'libc/sysdeps/linux/sparc/soft-fp/q_qtoull.c')
-rw-r--r-- | libc/sysdeps/linux/sparc/soft-fp/q_qtoull.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/sparc/soft-fp/q_qtoull.c b/libc/sysdeps/linux/sparc/soft-fp/q_qtoull.c new file mode 100644 index 000000000..7a88c9f38 --- /dev/null +++ b/libc/sysdeps/linux/sparc/soft-fp/q_qtoull.c @@ -0,0 +1,38 @@ +/* Software floating-point emulation. + Return (unsigned long long)a + Copyright (C) 1997, 1999, 2006 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. */ + +#define FP_ROUNDMODE FP_RND_ZERO +#include "soft-fp.h" +#include "quad.h" + +unsigned long long _Q_qtoull(const long double a) +{ + FP_DECL_EX; + FP_DECL_Q(A); + unsigned long long r; + + FP_UNPACK_RAW_Q(A, a); + FP_TO_INT_Q(r, A, 64, -1); + FP_HANDLE_EXCEPTIONS; + + return r; +} |