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Align the Variant data member

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This should avoid potential alignment issues when _mem holds real
values and speed up some floating point operations in some cases.
This commit is contained in:
Hein-Pieter van Braam 2019-02-19 21:24:59 +00:00
parent aa5b99821b
commit b6b113cc2b
1 changed files with 8 additions and 2 deletions
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10
core/variant.h
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@ -69,6 +69,13 @@ typedef PoolVector<Vector2> PoolVector2Array;
typedef PoolVector<Vector3> PoolVector3Array;
typedef PoolVector<Color> PoolColorArray;
// Temporary workaround until c++11 alignas()
#ifdef __GNUC__
#define GCC_ALIGNED_8 __attribute__((aligned(8)))
#else
#define GCC_ALIGNED_8
#endif
class Variant {
public:
// If this changes the table in variant_op must be updated
@ -132,7 +139,6 @@ private:
_FORCE_INLINE_ const ObjData &_get_obj() const;
union {
bool _bool;
int64_t _int;
double _real;
@ -142,7 +148,7 @@ private:
Transform *_transform;
void *_ptr; //generic pointer
uint8_t _mem[sizeof(ObjData) > (sizeof(real_t) * 4) ? sizeof(ObjData) : (sizeof(real_t) * 4)];
} _data;
} _data GCC_ALIGNED_8;
void reference(const Variant &p_variant);
void clear();