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| author | Misha Brukman <brukman+llvm@gmail.com> | 2004-10-18 18:35:21 +0000 |
|---|---|---|
| committer | Misha Brukman <brukman+llvm@gmail.com> | 2004-10-18 18:35:21 +0000 |
| commit | 103f2eede3f0586449be1601afc0ea26275c4c10 (patch) | |
| tree | a25f4acfdd15a4a9a2824ef310d1aa4b4f16becc | |
| parent | 9c02f5c566a4c2d26ce811e5bc80c3e4ee5fdbeb (diff) | |
| download | external_llvm-103f2eede3f0586449be1601afc0ea26275c4c10.zip external_llvm-103f2eede3f0586449be1601afc0ea26275c4c10.tar.gz external_llvm-103f2eede3f0586449be1601afc0ea26275c4c10.tar.bz2 | |
* AIX on Power defines INT64_MIN and INT64_MAX in ways that annoy GCC, so
special-case those definitions
* Add comments in #ifdef/#else/#endif clauses for ease of reading
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17132 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | include/llvm/Support/DataTypes.h.in | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/include/llvm/Support/DataTypes.h.in b/include/llvm/Support/DataTypes.h.in index a81fe51..9da5423 100644 --- a/include/llvm/Support/DataTypes.h.in +++ b/include/llvm/Support/DataTypes.h.in @@ -49,6 +49,17 @@ #include <stdint.h> #endif +#if defined(_POWER) && defined(_AIX) +// GCC is strict about defining large constants: they must have LL modifier. +// We will catch INT64_MAX in the default case below. +#undef INT64_MAX +// AIX #defines INT64_MIN as (-INT64_MAX-1), or -9223372036854775808 which GCC +// complains about as `integer constant is so large that it is unsigned', so +// set INT64_MIN to be one above that: +#undef INT64_MIN +#define INT64_MIN -9223372036854775807LL +#endif + // Handle incorrect definition of uint64_t as u_int64_t #ifndef HAVE_UINT64_T #ifdef HAVE_U_INT64_T @@ -58,7 +69,7 @@ typedef u_int64_t uint64_t; #endif #endif -#else +#else /* _MSC_VER */ // Visual C++ doesn't provide standard integer headers, but it does provide // built-in data types. typedef __int64 int64_t; @@ -75,10 +86,10 @@ typedef signed int ssize_t; #define INT32_MAX 2147483647 #define INT32_MIN -2147483648 #define UINT32_MAX 4294967295U -#endif +#endif /* _MSC_VER */ +/* Set defaults for constants which we cannot find. */ #if !defined(INT64_MAX) -/* We couldn't determine INT64_MAX; default it. */ # define INT64_MAX 9223372036854775807LL #endif #if !defined(UINT64_MAX) |