JitArm64: Mask input to 32-bit ADDI2R

In case the input was a s32 that got sign extended as part of conversion to u64.
2023-12-01 21:18:37 +01:00 · 2023-12-01 21:18:37 +01:00 · 25ffb0dbfc
parent 5f7e9d3bf1
commit 25ffb0dbfc
1 changed files with 3 additions and 0 deletions
--- a/Source/Core/Common/Arm64Emitter.cpp
+++ b/Source/Core/Common/Arm64Emitter.cpp
@ -4125,6 +4125,9 @@ void ARM64XEmitter::AddImmediate(ARM64Reg Rd, ARM64Reg Rn, u64 imm, bool shift,
 void ARM64XEmitter::ADDI2R_internal(ARM64Reg Rd, ARM64Reg Rn, u64 imm, bool negative, bool flags,
                                    ARM64Reg scratch)
 {
+  if (!Is64Bit(Rd))
+    imm &= 0xFFFFFFFFULL;
+
  bool has_scratch = scratch != ARM64Reg::INVALID_REG;
  u64 imm_neg = Is64Bit(Rd) ? u64(-s64(imm)) : u64(-s64(imm)) & 0xFFFFFFFFuLL;
  bool neg_neg = negative ? false : true;