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optimise away unneeded flag sets

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- especially useful for thumb code and larger max block sizes
- can still be improved upon
This commit is contained in:
RSDuck
2019-08-25 12:28:48 +02:00
parent 316378092a
commit f378458c10
7 changed files with 241 additions and 104 deletions
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6
src/ARMJIT_x64/ARMJIT_Compiler.h
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@ -29,6 +29,8 @@ public:
void LoadReg(int reg, Gen::X64Reg nativeReg);
void SaveReg(int reg, Gen::X64Reg nativeReg);
bool CanCompile(bool thumb, u16 kind);
typedef void (Compiler::*CompileFunc)();
void Comp_JumpTo(Gen::X64Reg addr, bool restoreCPSR = false);
@ -64,7 +66,6 @@ public:
void A_Comp_BranchImm();
void A_Comp_BranchXchangeReg();
void T_Comp_ShiftImm();
void T_Comp_AddSub_();
void T_Comp_ALU_Imm8();
@ -121,6 +122,9 @@ public:
void LoadCPSR();
void SaveCPSR();
bool FlagsNZRequired()
{ return CurInstr.SetFlags & 0xC; }
Gen::FixupBranch CheckCondition(u32 cond);
Gen::OpArg MapReg(int reg)