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Minor fix to rotation helpers so they don't do undefined shifts. 

Probably not a big deal realistically, but better to be safe than sorry.



git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@1725 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
magumagu9 2008-12-31 20:42:23 +00:00
parent 68c451f008
commit 05df5c8f3f
1 changed files with 4 additions and 0 deletions
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4
Source/Core/Common/Src/Common.h
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@ -131,10 +131,14 @@ extern "C" {
#if !defined(_WIN32) #if !defined(_WIN32)
inline u32 _rotl(u32 x, int shift) { inline u32 _rotl(u32 x, int shift) {
shift &= 31;
if (!shift) return x;
return (x << shift) | (x >> (32 - shift)); return (x << shift) | (x >> (32 - shift));
} }
inline u32 _rotr(u32 x, int shift) { inline u32 _rotr(u32 x, int shift) {
shift &= 31;
if (!shift) return x;
return (x >> shift) | (x << (32 - shift)); return (x >> shift) | (x << (32 - shift));
} }