From 1fc86a6c9d2e191a398e10a280178cab1114fb98 Mon Sep 17 00:00:00 2001
From: psucien <bad_cast@protonmail.com>
Date: Sun, 16 Jun 2024 20:26:24 +0200
Subject: [PATCH] shader_recompiler: added SOPK MOVK (45)

---
 src/shader_recompiler/frontend/translate/scalar_alu.cpp | 9 +++++++++
 src/shader_recompiler/frontend/translate/translate.cpp  | 3 +++
 src/shader_recompiler/frontend/translate/translate.h    | 1 +
 3 files changed, 13 insertions(+)

diff --git a/src/shader_recompiler/frontend/translate/scalar_alu.cpp b/src/shader_recompiler/frontend/translate/scalar_alu.cpp
index 69005f1a..939803a3 100644
--- a/src/shader_recompiler/frontend/translate/scalar_alu.cpp
+++ b/src/shader_recompiler/frontend/translate/scalar_alu.cpp
@@ -5,6 +5,15 @@
 
 namespace Shader::Gcn {
 
+void Translator::S_MOVK(const GcnInst& inst) {
+    const auto simm16 = inst.control.sopk.simm.Value();
+    if (simm16 & (1 << 15)) {
+        // TODO: need to verify the case of imm sign extension
+        UNREACHABLE();
+    }
+    SetDst(inst.dst[0], ir.Imm32(simm16));
+}
+
 void Translator::S_MOV(const GcnInst& inst) {
     SetDst(inst.dst[0], GetSrc(inst.src[0]));
 }
diff --git a/src/shader_recompiler/frontend/translate/translate.cpp b/src/shader_recompiler/frontend/translate/translate.cpp
index 610c11e7..40b74303 100644
--- a/src/shader_recompiler/frontend/translate/translate.cpp
+++ b/src/shader_recompiler/frontend/translate/translate.cpp
@@ -210,6 +210,9 @@ void Translate(IR::Block* block, std::span<const GcnInst> inst_list, Info& info)
     Translator translator{block, info};
     for (const auto& inst : inst_list) {
         switch (inst.opcode) {
+        case Opcode::S_MOVK_I32:
+            translator.S_MOVK(inst);
+            break;
         case Opcode::S_MOV_B32:
             translator.S_MOV(inst);
             break;
diff --git a/src/shader_recompiler/frontend/translate/translate.h b/src/shader_recompiler/frontend/translate/translate.h
index 64e45a2c..fe2a88f1 100644
--- a/src/shader_recompiler/frontend/translate/translate.h
+++ b/src/shader_recompiler/frontend/translate/translate.h
@@ -34,6 +34,7 @@ public:
     void EmitFetch(const GcnInst& inst);
 
     // Scalar ALU
+    void S_MOVK(const GcnInst& inst);
     void S_MOV(const GcnInst& inst);
     void S_MUL_I32(const GcnInst& inst);
     void S_CMP(ConditionOp cond, bool is_signed, const GcnInst& inst);