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| author | Ali Saidi <saidi@eecs.umich.edu> | 2004-06-21 01:04:48 -0400 |
|---|---|---|
| committer | Ali Saidi <saidi@eecs.umich.edu> | 2004-06-21 01:04:48 -0400 |
| commit | 3f7b780af5530cc60228ebd3e895ab26d477614e (patch) | |
| tree | ecc9052d0fa587e2b48e888705f5df2a80fe401b /base/intmath.hh | |
| parent | 074969f8f16110680de05fca64a6be48aedcdfd8 (diff) | |
| parent | c27139c701e8e61056ebc2cf002c5aa129779c13 (diff) | |
| download | gem5-3f7b780af5530cc60228ebd3e895ab26d477614e.tar.xz | |
Merge saidi@zizzer.eecs.umich.edu:/bk/linux
into ali-saidis-computer.local:/research/linux
--HG--
extra : convert_revision : 446dc5fad11a6b29954dc5b1e974430853aa2969
Diffstat (limited to 'base/intmath.hh')
| -rw-r--r-- | base/intmath.hh | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/base/intmath.hh b/base/intmath.hh index cb5a34107..fc28eecef 100644 --- a/base/intmath.hh +++ b/base/intmath.hh @@ -119,6 +119,20 @@ FloorLog2(int64_t x) return FloorLog2((uint64_t)x); } +inline int +FloorLog2(size_t x) +{ + assert(x > 0); + assert(sizeof(size_t) == 4 || sizeof(size_t) == 8); + + // It's my hope that this is optimized away? + if (sizeof(size_t) == 4) + return FloorLog2((uint32_t)x); + else if (sizeof(size_t) == 8) + return FloorLog2((uint64_t)x); + +} + template <class T> inline int CeilLog2(T n) |