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Add support for atomic swap/cmpexchg with float and double types.

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Addresses issue #60.
This commit is contained in:
Matt Pharr
2011-07-07 14:07:52 +01:00
parent 729f522a01
commit aef8c09019
3 changed files with 49 additions and 2 deletions
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6
stdlib.ispc
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@@ -425,6 +425,8 @@ DEFINE_ATOMIC_OP(unsigned int32,int32,or,or)
DEFINE_ATOMIC_OP(unsigned int32,int32,xor,xor)
DEFINE_ATOMIC_OP(unsigned int32,int32,swap,swap)
DEFINE_ATOMIC_OP(float,float,swap,swap)
DEFINE_ATOMIC_OP(int64,int64,add,add)
DEFINE_ATOMIC_OP(int64,int64,subtract,sub)
DEFINE_ATOMIC_OP(int64,int64,min,min)
@@ -445,6 +447,8 @@ DEFINE_ATOMIC_OP(unsigned int64,int64,or,or)
DEFINE_ATOMIC_OP(unsigned int64,int64,xor,xor)
DEFINE_ATOMIC_OP(unsigned int64,int64,swap,swap)
DEFINE_ATOMIC_OP(double,double,swap,swap)
#define ATOMIC_DECL_CMPXCHG(TA, TB) \
static inline TA atomic_compare_exchange_global( \
uniform reference TA ref, TA oldval, TA newval) { \
@@ -456,8 +460,10 @@ static inline TA atomic_compare_exchange_global( \
ATOMIC_DECL_CMPXCHG(int32, int32)
ATOMIC_DECL_CMPXCHG(unsigned int32, int32)
ATOMIC_DECL_CMPXCHG(float, float)
ATOMIC_DECL_CMPXCHG(int64, int64)
ATOMIC_DECL_CMPXCHG(unsigned int64, int64)
ATOMIC_DECL_CMPXCHG(double, double)
///////////////////////////////////////////////////////////////////////////
// Load/store from/to 8/16-bit types