diff options
Diffstat (limited to 'compiler/optimizing/nodes.h')
| -rw-r--r-- | compiler/optimizing/nodes.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/compiler/optimizing/nodes.h b/compiler/optimizing/nodes.h index 649038b532..c3c35acb7a 100644 --- a/compiler/optimizing/nodes.h +++ b/compiler/optimizing/nodes.h @@ -19,6 +19,7 @@ #include "base/arena_containers.h" #include "base/arena_object.h" +#include "dex/compiler_enums.h" #include "entrypoints/quick/quick_entrypoints_enum.h" #include "handle.h" #include "handle_scope.h" @@ -718,6 +719,7 @@ class HLoopInformationOutwardIterator : public ValueObject { M(LoadString, Instruction) \ M(Local, Instruction) \ M(LongConstant, Constant) \ + M(MemoryBarrier, Instruction) \ M(MonitorOperation, Instruction) \ M(Mul, BinaryOperation) \ M(Neg, UnaryOperation) \ @@ -908,6 +910,12 @@ class HUserRecord : public ValueObject { HUseListNode<T>* use_node_; }; +// TODO: Add better documentation to this class and maybe refactor with more suggestive names. +// - Has(All)SideEffects suggests that all the side effects are present but only ChangesSomething +// flag is consider. +// - DependsOn suggests that there is a real dependency between side effects but it only +// checks DependendsOnSomething flag. +// // Represents the side effects an instruction may have. class SideEffects : public ValueObject { public: @@ -3437,6 +3445,22 @@ class HCheckCast : public HTemplateInstruction<2> { DISALLOW_COPY_AND_ASSIGN(HCheckCast); }; +class HMemoryBarrier : public HTemplateInstruction<0> { + public: + explicit HMemoryBarrier(MemBarrierKind barrier_kind) + : HTemplateInstruction(SideEffects::None()), + barrier_kind_(barrier_kind) {} + + MemBarrierKind GetBarrierKind() { return barrier_kind_; } + + DECLARE_INSTRUCTION(MemoryBarrier); + + private: + const MemBarrierKind barrier_kind_; + + DISALLOW_COPY_AND_ASSIGN(HMemoryBarrier); +}; + class HMonitorOperation : public HTemplateInstruction<1> { public: enum OperationKind { |