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-rw-r--r--src/video_core/shader/decode/memory.cpp35
1 files changed, 23 insertions, 12 deletions
diff --git a/src/video_core/shader/decode/memory.cpp b/src/video_core/shader/decode/memory.cpp
index 7591a715f..3f3ef6e7c 100644
--- a/src/video_core/shader/decode/memory.cpp
+++ b/src/video_core/shader/decode/memory.cpp
@@ -22,6 +22,7 @@ using Tegra::Shader::Attribute;
using Tegra::Shader::Instruction;
using Tegra::Shader::OpCode;
using Tegra::Shader::Register;
+using Tegra::Shader::StoreType;
namespace {
@@ -61,6 +62,13 @@ u32 GetMemorySize(Tegra::Shader::UniformType uniform_type) {
}
}
+Node Sign16Extend(Node value) {
+ Node sign = Operation(OperationCode::UBitwiseAnd, value, Immediate(1U << 15));
+ Node is_sign = Operation(OperationCode::LogicalUEqual, std::move(sign), Immediate(1U << 15));
+ Node extend = Operation(OperationCode::Select, is_sign, Immediate(0xFFFF0000), Immediate(0));
+ return Operation(OperationCode::UBitwiseOr, std::move(value), std::move(extend));
+}
+
} // Anonymous namespace
u32 ShaderIR::DecodeMemory(NodeBlock& bb, u32 pc) {
@@ -139,23 +147,26 @@ u32 ShaderIR::DecodeMemory(NodeBlock& bb, u32 pc) {
const auto GetMemory = [&](s32 offset) {
ASSERT(offset % 4 == 0);
const Node immediate_offset = Immediate(static_cast<s32>(instr.smem_imm) + offset);
- const Node address = Operation(OperationCode::IAdd, NO_PRECISE, GetRegister(instr.gpr8),
- immediate_offset);
+ const Node address =
+ Operation(OperationCode::IAdd, GetRegister(instr.gpr8), immediate_offset);
return opcode->get().GetId() == OpCode::Id::LD_S ? GetSharedMemory(address)
: GetLocalMemory(address);
};
switch (instr.ldst_sl.type.Value()) {
- case Tegra::Shader::StoreType::Bits32:
- case Tegra::Shader::StoreType::Bits64:
- case Tegra::Shader::StoreType::Bits128: {
- const u32 count = [&]() {
+ case StoreType::Signed16:
+ SetRegister(bb, instr.gpr0, Sign16Extend(GetMemory(0)));
+ break;
+ case StoreType::Bits32:
+ case StoreType::Bits64:
+ case StoreType::Bits128: {
+ const u32 count = [&] {
switch (instr.ldst_sl.type.Value()) {
- case Tegra::Shader::StoreType::Bits32:
+ case StoreType::Bits32:
return 1;
- case Tegra::Shader::StoreType::Bits64:
+ case StoreType::Bits64:
return 2;
- case Tegra::Shader::StoreType::Bits128:
+ case StoreType::Bits128:
return 4;
default:
UNREACHABLE();
@@ -274,14 +285,14 @@ u32 ShaderIR::DecodeMemory(NodeBlock& bb, u32 pc) {
: &ShaderIR::SetSharedMemory;
switch (instr.ldst_sl.type.Value()) {
- case Tegra::Shader::StoreType::Bits128:
+ case StoreType::Bits128:
(this->*set_memory)(bb, GetAddress(12), GetRegister(instr.gpr0.Value() + 3));
(this->*set_memory)(bb, GetAddress(8), GetRegister(instr.gpr0.Value() + 2));
[[fallthrough]];
- case Tegra::Shader::StoreType::Bits64:
+ case StoreType::Bits64:
(this->*set_memory)(bb, GetAddress(4), GetRegister(instr.gpr0.Value() + 1));
[[fallthrough]];
- case Tegra::Shader::StoreType::Bits32:
+ case StoreType::Bits32:
(this->*set_memory)(bb, GetAddress(0), GetRegister(instr.gpr0));
break;
default: