JitArm64: Add rlwinmx case for only shifting

Small optimization.
2023-12-16 17:34:33 +01:00 · 2023-12-16 17:34:33 +01:00 · b5a95b7804
parent f87a4f0385
commit b5a95b7804
1 changed files with 4 additions and 0 deletions
--- a/Source/Core/Core/PowerPC/JitArm64/JitArm64_Integer.cpp
+++ b/Source/Core/Core/PowerPC/JitArm64/JitArm64_Integer.cpp
@ -784,6 +784,10 @@ void JitArm64::rlwinmx(UGeckoInstruction inst)
    // Immediate mask
    AND(gpr.R(a), gpr.R(s), LogicalImm(mask, 32));
  }
+  else if (mask == 0xFFFFFFFF)
+  {
+    ROR(gpr.R(a), gpr.R(s), 32 - inst.SH);
+  }
  else if (inst.ME == 31 && 31 < inst.SH + inst.MB)
  {
    // Bit select of the upper part