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JitArm64: More constant propagation optimizations

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PR 9262 added a bunch of Jit64 optimizations, some of
which were already in JitArm64 and some which weren't.
This change ports the latter ones to JitArm64.
This commit is contained in:
JosJuice 2020-12-30 16:34:14 +01:00
commit efeda3b759
3 changed files with 106 additions and 18 deletions
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6
Source/Core/Common/Arm64Emitter.h
View file

@ -701,6 +701,11 @@ public:
void EON(ARM64Reg Rd, ARM64Reg Rn, ARM64Reg Rm, ArithOption Shift);
void ANDS(ARM64Reg Rd, ARM64Reg Rn, ARM64Reg Rm, ArithOption Shift);
void BICS(ARM64Reg Rd, ARM64Reg Rn, ARM64Reg Rm, ArithOption Shift);
void TST(ARM64Reg Rn, ARM64Reg Rm) { ANDS(Is64Bit(Rn) ? ZR : WZR, Rn, Rm); }
void TST(ARM64Reg Rn, ARM64Reg Rm, ArithOption Shift)
{
ANDS(Is64Bit(Rn) ? ZR : WZR, Rn, Rm, Shift);
}
// Wrap the above for saner syntax
void AND(ARM64Reg Rd, ARM64Reg Rn, ARM64Reg Rm)
@ -752,7 +757,6 @@ public:
void EOR(ARM64Reg Rd, ARM64Reg Rn, u32 immr, u32 imms, bool invert = false);
void ORR(ARM64Reg Rd, ARM64Reg Rn, u32 immr, u32 imms, bool invert = false);
void TST(ARM64Reg Rn, u32 immr, u32 imms, bool invert = false);
void TST(ARM64Reg Rn, ARM64Reg Rm) { ANDS(Is64Bit(Rn) ? ZR : WZR, Rn, Rm); }
// Add/subtract (immediate)
void ADD(ARM64Reg Rd, ARM64Reg Rn, u32 imm, bool shift = false);
void ADDS(ARM64Reg Rd, ARM64Reg Rn, u32 imm, bool shift = false);