shader_recompiler: Implement S_ABS_I32 (shadps4-emu#1713)

rainmakerv3 · Dec 10, 2024 · 13ca780 · 13ca780
1 parent 660d395
commit 13ca780
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diff --git a/src/shader_recompiler/frontend/translate/scalar_alu.cpp b/src/shader_recompiler/frontend/translate/scalar_alu.cpp
@@ -106,6 +106,8 @@ void Translator::EmitScalarAlu(const GcnInst& inst) {
             return S_SAVEEXEC_B64(NegateMode::None, false, inst);
         case Opcode::S_ORN2_SAVEEXEC_B64:
             return S_SAVEEXEC_B64(NegateMode::Src1, true, inst);
+        case Opcode::S_ABS_I32:
+            return S_ABS_I32(inst);
         default:
             LogMissingOpcode(inst);
         }
@@ -624,6 +626,12 @@ void Translator::S_SAVEEXEC_B64(NegateMode negate, bool is_or, const GcnInst& in
     ir.SetScc(result);
 }
 
+void Translator::S_ABS_I32(const GcnInst& inst) {
+    const auto result = ir.IAbs(GetSrc(inst.src[0]));
+    SetDst(inst.dst[0], result);
+    ir.SetScc(ir.INotEqual(result, ir.Imm32(0)));
+}
+
 // SOPC
 
 void Translator::S_CMP(ConditionOp cond, bool is_signed, const GcnInst& inst) {

diff --git a/src/shader_recompiler/frontend/translate/translate.h b/src/shader_recompiler/frontend/translate/translate.h
@@ -114,6 +114,7 @@ class Translator {
     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);
+    void S_ABS_I32(const GcnInst& inst);
 
     // SOPC
     void S_CMP(ConditionOp cond, bool is_signed, const GcnInst& inst);