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Bug 1041673 - IonMonkey: Implement opcode testing and casts with member function templates. r=nbp

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This commit is contained in:
Dan Gohman 2014-08-14 17:11:57 -07:00
parent ef3acdccf9
commit d0f7653db0
1 changed files with 23 additions and 20 deletions
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43
js/src/jit/MIR.h
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@ -686,12 +686,27 @@ class MDefinition : public MNode
public:
// Opcode testing and casts.
template<typename MIRType> bool is() const {
return op() == MIRType::classOpcode;
}
template<typename MIRType> MIRType *to() {
JS_ASSERT(is<MIRType>());
return static_cast<MIRType *>(this);
}
template<typename MIRType> const MIRType *to() const {
JS_ASSERT(is<MIRType>());
return static_cast<const MIRType *>(this);
}
# define OPCODE_CASTS(opcode) \
bool is##opcode() const { \
return op() == Op_##opcode; \
return is<M##opcode>(); \
} \
inline M##opcode *to##opcode(); \
inline const M##opcode *to##opcode() const;
M##opcode *to##opcode() { \
return to<M##opcode>(); \
} \
const M##opcode *to##opcode() const { \
return to<M##opcode>(); \
}
MIR_OPCODE_LIST(OPCODE_CASTS)
# undef OPCODE_CASTS
@ -832,8 +847,9 @@ class MInstruction
};
#define INSTRUCTION_HEADER(opcode) \
static const Opcode classOpcode = MDefinition::Op_##opcode; \
Opcode op() const { \
return MDefinition::Op_##opcode; \
return classOpcode; \
} \
const char *opName() const { \
return #opcode; \
@ -11252,6 +11268,8 @@ class MAsmJSCall MOZ_FINAL : public MVariadicInstruction
}
};
#undef INSTRUCTION_HEADER
void MUse::init(MDefinition *producer, MNode *consumer)
{
MOZ_ASSERT(!consumer_, "Initializing MUse that already has a consumer");
@ -11289,22 +11307,7 @@ void MUse::discardProducer()
producer_ = nullptr;
}
#undef INSTRUCTION_HEADER
// Implement opcode casts now that the compiler can see the inheritance.
#define OPCODE_CASTS(opcode) \
M##opcode *MDefinition::to##opcode() \
{ \
JS_ASSERT(is##opcode()); \
return static_cast<M##opcode *>(this); \
} \
const M##opcode *MDefinition::to##opcode() const \
{ \
JS_ASSERT(is##opcode()); \
return static_cast<const M##opcode *>(this); \
}
MIR_OPCODE_LIST(OPCODE_CASTS)
#undef OPCODE_CASTS
// Implement cast functions now that the compiler can see the inheritance.
MDefinition *MNode::toDefinition()
{