diff options
| -rw-r--r-- | src/video_core/shader/decode/arithmetic_integer.cpp | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/src/video_core/shader/decode/arithmetic_integer.cpp b/src/video_core/shader/decode/arithmetic_integer.cpp index 3b9b9d6d9..b12dc5ba8 100644 --- a/src/video_core/shader/decode/arithmetic_integer.cpp +++ b/src/video_core/shader/decode/arithmetic_integer.cpp @@ -12,6 +12,7 @@ namespace VideoCommon::Shader { using Tegra::Shader::IAdd3Height; using Tegra::Shader::Instruction; using Tegra::Shader::OpCode; +using Tegra::Shader::Pred; using Tegra::Shader::Register; u32 ShaderIR::DecodeArithmeticInteger(BasicBlock& bb, u32 pc) { @@ -175,6 +176,60 @@ u32 ShaderIR::DecodeArithmeticInteger(BasicBlock& bb, u32 pc) { SetRegister(bb, instr.gpr0, value); break; } + case OpCode::Id::LEA_R2: + case OpCode::Id::LEA_R1: + case OpCode::Id::LEA_IMM: + case OpCode::Id::LEA_RZ: + case OpCode::Id::LEA_HI: { + const auto [op_a, op_b, op_c] = [&]() -> std::tuple<Node, Node, Node> { + switch (opcode->get().GetId()) { + case OpCode::Id::LEA_R2: { + return {GetRegister(instr.gpr20), GetRegister(instr.gpr39), + Immediate(static_cast<u32>(instr.lea.r2.entry_a))}; + } + + case OpCode::Id::LEA_R1: { + const bool neg = instr.lea.r1.neg != 0; + return {GetOperandAbsNegInteger(GetRegister(instr.gpr8), false, neg, true), + GetRegister(instr.gpr20), + Immediate(static_cast<u32>(instr.lea.r1.entry_a))}; + } + + case OpCode::Id::LEA_IMM: { + const bool neg = instr.lea.imm.neg != 0; + return {Immediate(static_cast<u32>(instr.lea.imm.entry_a)), + GetOperandAbsNegInteger(GetRegister(instr.gpr8), false, neg, true), + Immediate(static_cast<u32>(instr.lea.imm.entry_b))}; + } + + case OpCode::Id::LEA_RZ: { + const bool neg = instr.lea.rz.neg != 0; + return {GetConstBuffer(instr.lea.rz.cb_index, instr.lea.rz.cb_offset), + GetOperandAbsNegInteger(GetRegister(instr.gpr8), false, neg, true), + Immediate(static_cast<u32>(instr.lea.rz.entry_a))}; + } + + case OpCode::Id::LEA_HI: + default: + UNIMPLEMENTED_MSG("Unhandled LEA subinstruction: {}", opcode->get().GetName()); + + return {Immediate(static_cast<u32>(instr.lea.imm.entry_a)), GetRegister(instr.gpr8), + Immediate(static_cast<u32>(instr.lea.imm.entry_b))}; + } + }(); + + UNIMPLEMENTED_IF_MSG(instr.lea.pred48 != static_cast<u64>(Pred::UnusedIndex), + "Unhandled LEA Predicate"); + + const Node shifted_c = + Operation(OperationCode::ILogicalShiftLeft, NO_PRECISE, Immediate(1), op_c); + const Node mul_bc = Operation(OperationCode::IMul, NO_PRECISE, op_b, shifted_c); + const Node value = Operation(OperationCode::IAdd, NO_PRECISE, op_a, mul_bc); + + SetRegister(bb, instr.gpr0, value); + + break; + } default: UNIMPLEMENTED_MSG("Unhandled ArithmeticInteger instruction: {}", opcode->get().GetName()); } |