Add support for intrinsic optimizations.
Change-Id: Ib5a4224022f9360e60c09a19ac8642270a7f3b64
diff --git a/compiler/optimizing/intrinsics.h b/compiler/optimizing/intrinsics.h
index d1a17b6..12e79fa 100644
--- a/compiler/optimizing/intrinsics.h
+++ b/compiler/optimizing/intrinsics.h
@@ -116,6 +116,59 @@
DISALLOW_COPY_AND_ASSIGN(IntrinsicVisitor);
};
+#define GENERIC_OPTIMIZATION(name, bit) \
+ public: \
+ void Set##name() { SetBit(k##name); } \
+ bool Get##name() const { return IsBitSet(k##name); } \
+ private: \
+ static constexpr int k##name = bit
+
+class IntrinsicOptimizations : public ValueObject {
+ public:
+ IntrinsicOptimizations(HInvoke* invoke) : value_(invoke->GetIntrinsicOptimizations()) {}
+ IntrinsicOptimizations(const HInvoke& invoke) : value_(invoke.GetIntrinsicOptimizations()) {}
+
+ static constexpr int kNumberOfGenericOptimizations = 2;
+ GENERIC_OPTIMIZATION(DoesNotNeedDexCache, 0);
+ GENERIC_OPTIMIZATION(DoesNotNeedEnvironment, 1);
+
+ protected:
+ bool IsBitSet(uint32_t bit) const {
+ return (*value_ & (1 << bit)) != 0u;
+ }
+
+ void SetBit(uint32_t bit) {
+ *(const_cast<uint32_t*>(value_)) |= (1 << bit);
+ }
+
+ private:
+ const uint32_t *value_;
+
+ DISALLOW_COPY_AND_ASSIGN(IntrinsicOptimizations);
+};
+
+#undef GENERIC_OPTIMIZATION
+
+#define INTRINSIC_OPTIMIZATION(name, bit) \
+ public: \
+ void Set##name() { SetBit(k##name); } \
+ bool Get##name() const { return IsBitSet(k##name); } \
+ private: \
+ static constexpr int k##name = bit + kNumberOfGenericOptimizations
+
+class StringEqualsOptimizations : public IntrinsicOptimizations {
+ public:
+ StringEqualsOptimizations(HInvoke* invoke) : IntrinsicOptimizations(invoke) {}
+
+ INTRINSIC_OPTIMIZATION(ArgumentNotNull, 0);
+ INTRINSIC_OPTIMIZATION(ArgumentIsString, 1);
+
+ private:
+ DISALLOW_COPY_AND_ASSIGN(StringEqualsOptimizations);
+};
+
+#undef INTRISIC_OPTIMIZATION
+
} // namespace art
#endif // ART_COMPILER_OPTIMIZING_INTRINSICS_H_