diff options
Diffstat (limited to 'src/video_core/shader/decode/memory.cpp')
-rw-r--r-- | src/video_core/shader/decode/memory.cpp | 45 |
1 files changed, 27 insertions, 18 deletions
diff --git a/src/video_core/shader/decode/memory.cpp b/src/video_core/shader/decode/memory.cpp index 3f3ef6e7c..2f5ca5de5 100644 --- a/src/video_core/shader/decode/memory.cpp +++ b/src/video_core/shader/decode/memory.cpp @@ -62,6 +62,20 @@ u32 GetMemorySize(Tegra::Shader::UniformType uniform_type) { } } +Node ExtractUnaligned(Node value, Node address, u32 mask, u32 size) { + Node offset = Operation(OperationCode::UBitwiseAnd, address, Immediate(mask)); + offset = Operation(OperationCode::ULogicalShiftLeft, std::move(offset), Immediate(3)); + return Operation(OperationCode::UBitfieldExtract, std::move(value), std::move(offset), + Immediate(size)); +} + +Node InsertUnaligned(Node dest, Node value, Node address, u32 mask, u32 size) { + Node offset = Operation(OperationCode::UBitwiseAnd, std::move(address), Immediate(mask)); + offset = Operation(OperationCode::ULogicalShiftLeft, std::move(offset), Immediate(3)); + return Operation(OperationCode::UBitfieldInsert, std::move(dest), std::move(value), + std::move(offset), Immediate(size)); +} + 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)); @@ -144,19 +158,23 @@ u32 ShaderIR::DecodeMemory(NodeBlock& bb, u32 pc) { LOG_DEBUG(HW_GPU, "LD_L cache management mode: {}", static_cast<u64>(instr.ld_l.unknown)); [[fallthrough]]; case OpCode::Id::LD_S: { - const auto GetMemory = [&](s32 offset) { + const auto GetAddress = [&](s32 offset) { ASSERT(offset % 4 == 0); const Node immediate_offset = Immediate(static_cast<s32>(instr.smem_imm) + offset); - const Node address = - Operation(OperationCode::IAdd, GetRegister(instr.gpr8), immediate_offset); - return opcode->get().GetId() == OpCode::Id::LD_S ? GetSharedMemory(address) - : GetLocalMemory(address); + return Operation(OperationCode::IAdd, GetRegister(instr.gpr8), immediate_offset); + }; + const auto GetMemory = [&](s32 offset) { + return opcode->get().GetId() == OpCode::Id::LD_S ? GetSharedMemory(GetAddress(offset)) + : GetLocalMemory(GetAddress(offset)); }; switch (instr.ldst_sl.type.Value()) { - case StoreType::Signed16: + case StoreType::Signed16: { + Node address = GetAddress(0); + SetRegister(bb, instr.gpr0, Sign16Extend(GetMemory(0))); break; + } case StoreType::Bits32: case StoreType::Bits64: case StoreType::Bits128: { @@ -223,12 +241,7 @@ u32 ShaderIR::DecodeMemory(NodeBlock& bb, u32 pc) { // To handle unaligned loads get the bytes used to dereference global memory and extract // those bytes from the loaded u32. if (IsUnaligned(type)) { - Node mask = Immediate(GetUnalignedMask(type)); - Node offset = Operation(OperationCode::UBitwiseAnd, real_address, std::move(mask)); - offset = Operation(OperationCode::ULogicalShiftLeft, offset, Immediate(3)); - - gmem = Operation(OperationCode::UBitfieldExtract, std::move(gmem), - std::move(offset), Immediate(size)); + gmem = ExtractUnaligned(gmem, real_address, GetUnalignedMask(type), size); } SetTemporary(bb, i, gmem); @@ -334,12 +347,8 @@ u32 ShaderIR::DecodeMemory(NodeBlock& bb, u32 pc) { Node value = GetRegister(instr.gpr0.Value() + i); if (IsUnaligned(type)) { - Node mask = Immediate(GetUnalignedMask(type)); - Node offset = Operation(OperationCode::UBitwiseAnd, real_address, std::move(mask)); - offset = Operation(OperationCode::ULogicalShiftLeft, offset, Immediate(3)); - - value = Operation(OperationCode::UBitfieldInsert, gmem, std::move(value), offset, - Immediate(size)); + const u32 mask = GetUnalignedMask(type); + value = InsertUnaligned(gmem, std::move(value), real_address, mask, size); } bb.push_back(Operation(OperationCode::Assign, gmem, value)); |