Changed comment in /lib/Frontend/InitPreprocessor.cpp
http://reviews.llvm.org/D6402
Files:
lib/Frontend/InitPreprocessor.cpp
test/Preprocessor/init.c
Index: lib/Frontend/InitPreprocessor.cpp
===================================================================
--- lib/Frontend/InitPreprocessor.cpp
+++ lib/Frontend/InitPreprocessor.cpp
@@ -662,7 +662,12 @@
TI.getTypeWidth(TI.getWCharType()), TI, Builder);
DefineTypeSizeof("__SIZEOF_WINT_T__",
TI.getTypeWidth(TI.getWIntType()), TI, Builder);
- if (TI.hasInt128Type())
+ // This is a temporary workaround while MIPS64 has not yet fully supported
+ // 128-bit integers. But declaration of int128 type is necessary even though
+ // __SIZEOF_INT128__ is undefined because c++ standard header files like
+ // limits throw error message if __int128 is not available.
+ if (TI.hasInt128Type() && !(TI.getTriple().getArch() == llvm::Triple::mips64el
+ || TI.getTriple().getArch() == llvm::Triple::mips64))
DefineTypeSizeof("__SIZEOF_INT128__", 128, TI, Builder);
DefineType("__INTMAX_TYPE__", TI.getIntMaxType(), Builder);
Index: test/Preprocessor/init.c
===================================================================
--- test/Preprocessor/init.c
+++ test/Preprocessor/init.c
@@ -3138,6 +3138,7 @@
// MIPS64BE:#define __SIG_ATOMIC_WIDTH__ 32
// MIPS64BE:#define __SIZEOF_DOUBLE__ 8
// MIPS64BE:#define __SIZEOF_FLOAT__ 4
+// MIPS64BE-NOT:#define __SIZEOF_INT128__ 16
// MIPS64BE:#define __SIZEOF_INT__ 4
// MIPS64BE:#define __SIZEOF_LONG_DOUBLE__ 16
// MIPS64BE:#define __SIZEOF_LONG_LONG__ 8
@@ -3345,6 +3346,7 @@
// MIPS64EL:#define __SIG_ATOMIC_WIDTH__ 32
// MIPS64EL:#define __SIZEOF_DOUBLE__ 8
// MIPS64EL:#define __SIZEOF_FLOAT__ 4
+// MIPS64EL-NOT:#define __SIZEOF_INT128__ 16
// MIPS64EL:#define __SIZEOF_INT__ 4
// MIPS64EL:#define __SIZEOF_LONG_DOUBLE__ 16
// MIPS64EL:#define __SIZEOF_LONG_LONG__ 8
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