diff options
| author | JosJuice <josjuice@gmail.com> | 2021-08-21 16:28:51 +0200 |
|---|---|---|
| committer | JosJuice <josjuice@gmail.com> | 2021-08-26 14:50:01 +0200 |
| commit | 09cdb076a3938ecce7422f1f77ac24314176263b (patch) | |
| tree | 292593cf2da6f7b4190e77d6209b4e0c5a12c730 /Source/Core/Common/Arm64Emitter.cpp | |
| parent | 559de262a1333da80a15525ce73503ca3346f997 (diff) | |
JitArm64: divwx - Optimize constant dividend
When the dividend is known at compile time, we can eliminate some
of the branching and precompute the result for the overflow case.
Diffstat (limited to 'Source/Core/Common/Arm64Emitter.cpp')
| -rw-r--r-- | Source/Core/Common/Arm64Emitter.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/Source/Core/Common/Arm64Emitter.cpp b/Source/Core/Common/Arm64Emitter.cpp index ce3c0a5103..c0d19f652f 100644 --- a/Source/Core/Common/Arm64Emitter.cpp +++ b/Source/Core/Common/Arm64Emitter.cpp @@ -1373,6 +1373,10 @@ void ARM64XEmitter::CMP(ARM64Reg Rn, u32 imm, bool shift) { EncodeAddSubImmInst(1, true, shift, imm, Rn, Is64Bit(Rn) ? ARM64Reg::SP : ARM64Reg::WSP); } +void ARM64XEmitter::CMN(ARM64Reg Rn, u32 imm, bool shift) +{ + EncodeAddSubImmInst(0, true, shift, imm, Rn, Is64Bit(Rn) ? ARM64Reg::SP : ARM64Reg::WSP); +} // Data Processing (Immediate) void ARM64XEmitter::MOVZ(ARM64Reg Rd, u32 imm, ShiftAmount pos) |