shader_recompiler: Fix mistake

Author: raphaelthegreat

src/shader_recompiler/frontend/translate/scalar_alu.cpp

@@ -96,8 +96,8 @@ void Translator::EmitScalarAlu(const GcnInst& inst) {
             return S_BREV_B32(inst);
         case Opcode::S_BCNT1_I32_B64:
             return S_BCNT1_I32_B64(inst);
-        case Opcode::S_FF1_I32_B64:
-            return S_FF1_I32_B64(inst);
+        case Opcode::S_FF1_I32_B32:
+            return S_FF1_I32_B32(inst);
         case Opcode::S_AND_SAVEEXEC_B64:
             return S_SAVEEXEC_B64(NegateMode::None, false, inst);
         case Opcode::S_ORN2_SAVEEXEC_B64:
@@ -575,7 +575,7 @@ void Translator::S_BCNT1_I32_B64(const GcnInst& inst) {
     ir.SetScc(ir.INotEqual(result, ir.Imm32(0)));
 }
 
-void Translator::S_FF1_I32_B64(const GcnInst& inst) {
+void Translator::S_FF1_I32_B32(const GcnInst& inst) {
     const IR::U32 src0{GetSrc(inst.src[0])};
     const IR::U32 result{ir.Select(ir.IEqual(src0, ir.Imm32(0U)), ir.Imm32(-1), ir.FindILsb(src0))};
     SetDst(inst.dst[0], result);

src/shader_recompiler/frontend/translate/translate.h

@@ -110,7 +110,7 @@ class Translator {
     void S_NOT_B64(const GcnInst& inst);
     void S_BREV_B32(const GcnInst& inst);
     void S_BCNT1_I32_B64(const GcnInst& inst);
-    void S_FF1_I32_B64(const GcnInst& inst);
+    void S_FF1_I32_B32(const GcnInst& inst);
     void S_GETPC_B64(u32 pc, const GcnInst& inst);
     void S_SAVEEXEC_B64(NegateMode negate, bool is_or, const GcnInst& inst);