1 files changed, 91 insertions, 0 deletions
diff --git a/src/shader_recompiler/backend/glasm/emit_glasm_bitwise_conversion.cpp b/src/shader_recompiler/backend/glasm/emit_glasm_bitwise_conversion.cpp
new file mode 100644
index 000000000..9201ccd39
--- /dev/null
+++ b/src/shader_recompiler/backend/glasm/emit_glasm_bitwise_conversion.cpp
@@ -0,0 +1,91 @@
+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "shader_recompiler/backend/glasm/emit_context.h"
+#include "shader_recompiler/backend/glasm/emit_glasm_instructions.h"
+#include "shader_recompiler/frontend/ir/value.h"
+
+namespace Shader::Backend::GLASM {
+
+static void Alias(IR::Inst& inst, const IR::Value& value) {
+    if (value.IsImmediate()) {
+        return;
+    }
+    IR::Inst& value_inst{RegAlloc::AliasInst(*value.Inst())};
+    value_inst.DestructiveAddUsage(inst.UseCount());
+    value_inst.DestructiveRemoveUsage();
+    inst.SetDefinition(value_inst.Definition<Id>());
+}
+
+void EmitIdentity(EmitContext&, IR::Inst& inst, const IR::Value& value) {
+    Alias(inst, value);
+}
+
+void EmitConditionRef(EmitContext& ctx, IR::Inst& inst, const IR::Value& value) {
+    // Fake one usage to get a real register out of the condition
+    inst.DestructiveAddUsage(1);
+    const Register ret{ctx.reg_alloc.Define(inst)};
+    const ScalarS32 input{ctx.reg_alloc.Consume(value)};
+    if (ret != input) {
+        ctx.Add("MOV.S {},{};", ret, input);
+    }
+}
+
+void EmitBitCastU16F16(EmitContext&, IR::Inst& inst, const IR::Value& value) {
+    Alias(inst, value);
+}
+
+void EmitBitCastU32F32(EmitContext&, IR::Inst& inst, const IR::Value& value) {
+    Alias(inst, value);
+}
+
+void EmitBitCastU64F64(EmitContext&, IR::Inst& inst, const IR::Value& value) {
+    Alias(inst, value);
+}
+
+void EmitBitCastF16U16(EmitContext&, IR::Inst& inst, const IR::Value& value) {
+    Alias(inst, value);
+}
+
+void EmitBitCastF32U32(EmitContext&, IR::Inst& inst, const IR::Value& value) {
+    Alias(inst, value);
+}
+
+void EmitBitCastF64U64(EmitContext&, IR::Inst& inst, const IR::Value& value) {
+    Alias(inst, value);
+}
+
+void EmitPackUint2x32(EmitContext& ctx, IR::Inst& inst, Register value) {
+    ctx.LongAdd("PK64.U {}.x,{};", inst, value);
+}
+
+void EmitUnpackUint2x32(EmitContext& ctx, IR::Inst& inst, Register value) {
+    ctx.Add("UP64.U {}.xy,{}.x;", inst, value);
+}
+
+void EmitPackFloat2x16([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] Register value) {
+    throw NotImplementedException("GLASM instruction");
+}
+
+void EmitUnpackFloat2x16([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] Register value) {
+    throw NotImplementedException("GLASM instruction");
+}
+
+void EmitPackHalf2x16(EmitContext& ctx, IR::Inst& inst, Register value) {
+    ctx.Add("PK2H {}.x,{};", inst, value);
+}
+
+void EmitUnpackHalf2x16(EmitContext& ctx, IR::Inst& inst, Register value) {
+    ctx.Add("UP2H {}.xy,{}.x;", inst, value);
+}
+
+void EmitPackDouble2x32(EmitContext& ctx, IR::Inst& inst, Register value) {
+    ctx.LongAdd("PK64 {}.x,{};", inst, value);
+}
+
+void EmitUnpackDouble2x32(EmitContext& ctx, IR::Inst& inst, Register value) {
+    ctx.Add("UP64 {}.xy,{}.x;", inst, value);
+}
+
+} // namespace Shader::Backend::GLASM