diff options
Diffstat (limited to 'sysdeps/mips/mips32/fpu/fix-fp-int-convert-overflow.h')
| -rw-r--r-- | sysdeps/mips/mips32/fpu/fix-fp-int-convert-overflow.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/sysdeps/mips/mips32/fpu/fix-fp-int-convert-overflow.h b/sysdeps/mips/mips32/fpu/fix-fp-int-convert-overflow.h new file mode 100644 index 0000000000..b9f4aea488 --- /dev/null +++ b/sysdeps/mips/mips32/fpu/fix-fp-int-convert-overflow.h @@ -0,0 +1,38 @@ +/* Fix for conversion of floating point to integer overflow. MIPS version. + Copyright (C) 2015-2016 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + 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, see + <http://www.gnu.org/licenses/>. */ + +#ifndef FIX_FP_INT_CONVERT_OVERFLOW_H +#define FIX_FP_INT_CONVERT_OVERFLOW_H 1 + +/* As of GCC 5, the generic libgcc2.c conversions from floating point + to long long may not raise the correct exceptions on overflow (and + may raise spurious "inexact" exceptions even in non-overflow cases, + see <https://gcc.gnu.org/bugzilla/show_bug.cgi?id=59412>). */ +#define FIX_FLT_LLONG_CONVERT_OVERFLOW 1 +#define FIX_DBL_LLONG_CONVERT_OVERFLOW 1 +#define FIX_LDBL_LLONG_CONVERT_OVERFLOW 0 + +/* As of GCC 5 and binutils 2.25, for MIPS I GCC generates calls to + assembler macros for conversions from floating point to integer + types, and those macros save and restore the whole of FSCR and so + lose exceptions. */ +#define FIX_FLT_LONG_CONVERT_OVERFLOW (__mips == 1) +#define FIX_DBL_LONG_CONVERT_OVERFLOW (__mips == 1) +#define FIX_LDBL_LONG_CONVERT_OVERFLOW 0 + +#endif /* fix-fp-int-convert-overflow.h */ |