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Fix the non-gcc 4.0 path to compile 

llvm-svn: 22593
This commit is contained in:
Chris Lattner 2005-08-02 19:21:51 +00:00
parent 22d00a8e90
commit 44060e0871
1 changed files with 7 additions and 5 deletions
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12
llvm/include/llvm/Support/MathExtras.h
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@ -88,7 +88,7 @@ inline unsigned CountLeadingZeros_32(unsigned Value) {
// PowerPC is defined for __builtin_clz(0)
#if defined(__ppc__) || defined(__ppc64__)
if (!Value) return 32;
#endif
#endif
Count = __builtin_clz(Value);
#else
if (!Value) return 32;
@ -117,7 +117,8 @@ inline unsigned CountLeadingZeros_64(uint64_t Value) {
if (!Value) return 64;
#endif
Count = __builtin_clzll(Value);
#elif sizeof(long) == sizeof(int64_t)
#else
if (sizeof(long) == sizeof(int64_t)) {
if (!Value) return 64;
Count = 0;
// bisecton method for count leading zeros
@ -127,8 +128,8 @@ inline unsigned CountLeadingZeros_64(uint64_t Value) {
Count |= Shift;
Value = Tmp;
}
}
#else
}
} else {
// get hi portion
unsigned Hi = Hi_32(Value);
@ -142,7 +143,8 @@ inline unsigned CountLeadingZeros_64(uint64_t Value) {
// same as 32 bit value
Count = CountLeadingZeros_32(Lo);
}
#endif
}
#endif
return Count;
}