Improve Thumb2 bitwise operations.
Allow embedding constants in AND, ORR, EOR. Add ORN to
assembler, use BIC and ORN for AND and ORR when needed.
Change-Id: I24d69ecc7ce6992b9c5eb7a313ff47a942de9661
diff --git a/compiler/optimizing/code_generator_arm.h b/compiler/optimizing/code_generator_arm.h
index 16d1d38..6900933 100644
--- a/compiler/optimizing/code_generator_arm.h
+++ b/compiler/optimizing/code_generator_arm.h
@@ -169,11 +169,15 @@
private:
void HandleInvoke(HInvoke* invoke);
- void HandleBitwiseOperation(HBinaryOperation* operation);
+ void HandleBitwiseOperation(HBinaryOperation* operation, Opcode opcode);
void HandleShift(HBinaryOperation* operation);
void HandleFieldSet(HInstruction* instruction, const FieldInfo& field_info);
void HandleFieldGet(HInstruction* instruction, const FieldInfo& field_info);
+ Location ArmEncodableConstantOrRegister(HInstruction* constant, Opcode opcode);
+ bool CanEncodeConstantAsImmediate(HConstant* input_cst, Opcode opcode);
+ bool CanEncodeConstantAsImmediate(uint32_t value, Opcode opcode);
+
CodeGeneratorARM* const codegen_;
InvokeDexCallingConventionVisitorARM parameter_visitor_;
@@ -205,6 +209,9 @@
// the suspend call.
void GenerateSuspendCheck(HSuspendCheck* check, HBasicBlock* successor);
void GenerateClassInitializationCheck(SlowPathCode* slow_path, Register class_reg);
+ void GenerateAndConst(Register out, Register first, uint32_t value);
+ void GenerateOrrConst(Register out, Register first, uint32_t value);
+ void GenerateEorConst(Register out, Register first, uint32_t value);
void HandleBitwiseOperation(HBinaryOperation* operation);
void HandleShift(HBinaryOperation* operation);
void GenerateMemoryBarrier(MemBarrierKind kind);