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Fix PR4614: the Intel C compiler defines _GNUC__ 

but does not provide __builtin_bswap32/64.

llvm-svn: 76896
This commit is contained in:
Duncan Sands 2009-07-23 19:08:27 +00:00
parent f4981105ca
commit 1f3b8c0d16
1 changed files with 2 additions and 2 deletions
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4
llvm/include/llvm/Support/MathExtras.h
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@ -108,7 +108,7 @@ 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)
#if (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3)) && !defined(__ICC)
return __builtin_bswap32(Value);
#elif defined(_MSC_VER) && !defined(_DEBUG)
return _byteswap_ulong(Value);
@ -124,7 +124,7 @@ 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)
#if (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3)) && !defined(__ICC)
return __builtin_bswap64(Value);
#elif defined(_MSC_VER) && !defined(_DEBUG)
return _byteswap_uint64(Value);