glasm: Implement GLASM fp16 packing and move bitwise insns

1 files changed, 75 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
index e69de29bb..918d82375 100644
--- a/src/shader_recompiler/backend/glasm/emit_glasm_bitwise_conversion.cpp
+++ b/src/shader_recompiler/backend/glasm/emit_glasm_bitwise_conversion.cpp
@@ -0,0 +1,75 @@
+// 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* const value_inst{value.InstRecursive()};
+    if (inst.GetOpcode() == IR::Opcode::Identity) {
+        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 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([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] Register value) {
+    throw NotImplementedException("GLASM instruction");
+}
+
+void EmitUnpackUint2x32([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] Register value) {
+    throw NotImplementedException("GLASM instruction");
+}
+
+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);
+}
+
+} // namespace Shader::Backend::GLASM