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Fix building under MinGW

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This commit is contained in:
darkf 2015-08-15 23:41:40 -07:00
parent 882040fde7
commit e053d30bf7
3 changed files with 12 additions and 5 deletions
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12
src/common/common_funcs.h
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@ -45,14 +45,20 @@
// GCC 4.8 defines all the rotate functions now
// Small issue with GCC's lrotl/lrotr intrinsics is they are still 32bit while we require 64bit
#ifndef _rotl
inline u32 _rotl(u32 x, int shift) {
#ifdef _rotl
#define rotl _rotl
#else
inline u32 rotl(u32 x, int shift) {
shift &= 31;
if (!shift) return x;
return (x << shift) | (x >> (32 - shift));
}
#endif
inline u32 _rotr(u32 x, int shift) {
#ifdef _rotr
#define rotr _rotr
#else
inline u32 rotr(u32 x, int shift) {
shift &= 31;
if (!shift) return x;
return (x >> shift) | (x << (32 - shift));