maxjhandsome
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Releases Wiki Activity

There is this new "LLVM" compiler that supports __builtin_bswap but thinks it's gcc 4.2. 

llvm-svn: 111228
This commit is contained in:
Benjamin Kramer 2010-08-17 11:45:38 +00:00
parent 3696dcb171
commit 349ded1907
1 changed files with 4 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
llvm/include/llvm/Support/MathExtras.h
View File

@ -126,7 +126,8 @@ inline uint16_t ByteSwap_16(uint16_t Value) {
/// ByteSwap_32 - This function returns a byte-swapped representation of the
/// 32-bit argument, Value.
inline uint32_t ByteSwap_32(uint32_t Value) {
#if (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3)) && !defined(__ICC)
#if defined(__llvm__) || \
(__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3)) && !defined(__ICC)
return __builtin_bswap32(Value);
#elif defined(_MSC_VER) && !defined(_DEBUG)
return _byteswap_ulong(Value);
@ -142,7 +143,8 @@ inline uint32_t ByteSwap_32(uint32_t Value) {
/// ByteSwap_64 - This function returns a byte-swapped representation of the
/// 64-bit argument, Value.
inline uint64_t ByteSwap_64(uint64_t Value) {
#if (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3)) && !defined(__ICC)
#if defined(__llvm__) || \
(__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3)) && !defined(__ICC)
return __builtin_bswap64(Value);
#elif defined(_MSC_VER) && !defined(_DEBUG)
return _byteswap_uint64(Value);