Merge pull request #9588 from JosJuice/jitarm64-srawx-a-s

JitArm64: Improve srawx special case carry calculation
2021-03-16 10:40:10 +01:00 · 2021-03-16 10:40:10 +01:00 · 3fcc018fa7
parent f36b1cbb2a c0f840525f
commit 3fcc018fa7
1 changed files with 3 additions and 2 deletions
--- a/Source/Core/Core/PowerPC/JitArm64/JitArm64_Integer.cpp
+++ b/Source/Core/Core/PowerPC/JitArm64/JitArm64_Integer.cpp
@ -1401,13 +1401,14 @@ void JitArm64::srawx(UGeckoInstruction inst)
    {
      gpr.BindToRegister(a, a == s);

-      ASR(gpr.R(a), gpr.R(s), 31);
-
      if (js.op->wantsCA)
      {
+        // Set the carry flag to the sign bit of s
        CMN(gpr.R(s), gpr.R(s));
        ComputeCarry();
      }
+
+      ASR(gpr.R(a), gpr.R(s), 31);
    }
    else if (amount == 0)
    {