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| author | Shawn Hoffman <godisgovernment@gmail.com> | 2011-12-10 18:48:35 -0800 |
|---|---|---|
| committer | Shawn Hoffman <godisgovernment@gmail.com> | 2011-12-10 18:48:35 -0800 |
| commit | b0ffa72e37c7e9fd6c94112bf4fbb16c852ac7e5 (patch) | |
| tree | dc1ef0cb6da820e30436ed500eec0b61213ec6ff /Source/Core/Common | |
| parent | 3d9c35f58e84aa2c1b69bf4dfe381a9b526a3dd2 (diff) | |
| parent | 62858c8c140a281cc5145ca1b81b1aeffbb5015a (diff) | |
Merge branch 'large-mram'
Diffstat (limited to 'Source/Core/Common')
| -rw-r--r-- | Source/Core/Common/Src/CommonFuncs.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/Source/Core/Common/Src/CommonFuncs.h b/Source/Core/Common/Src/CommonFuncs.h index c79137780d..74d317d95f 100644 --- a/Source/Core/Common/Src/CommonFuncs.h +++ b/Source/Core/Common/Src/CommonFuncs.h @@ -27,6 +27,13 @@ template <bool> struct CompileTimeAssert; template<> struct CompileTimeAssert<true> {}; +#define b2(x) ( (x) | ( (x) >> 1) ) +#define b4(x) ( b2(x) | ( b2(x) >> 2) ) +#define b8(x) ( b4(x) | ( b4(x) >> 4) ) +#define b16(x) ( b8(x) | ( b8(x) >> 8) ) +#define b32(x) (b16(x) | (b16(x) >>16) ) +#define ROUND_UP_POW2(x) (b32(x - 1) + 1) + #if defined __GNUC__ && !defined __SSSE3__ #include <emmintrin.h> static __inline __m128i __attribute__((__always_inline__)) |
