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-rw-r--r--sysdeps/mips/mips32/fpu/fix-fp-int-convert-overflow.h36
1 files changed, 36 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
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+++ b/sysdeps/mips/mips32/fpu/fix-fp-int-convert-overflow.h
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+/* Fix for conversion of floating point to integer overflow.  MIPS version.
+   Copyright (C) 2015 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
+
+/* 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)
+
+#endif /* fix-fp-int-convert-overflow.h */