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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
new file mode 100644
index 0000000000..ee14f7e1b8
--- /dev/null
+++ b/sysdeps/mips/mips32/fpu/fix-fp-int-convert-overflow.h
@@ -0,0 +1,36 @@
+/* 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 */