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shader_decode: Implement MOV_C and MOV_R

This commit is contained in:
ReinUsesLisp 2018-12-20 23:53:50 -03:00
parent a4f052f6b3
commit 4c70d5b8eb
1 changed files with 23 additions and 1 deletions
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24
src/video_core/shader/decode/arithmetic.cpp
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@ -11,12 +11,34 @@ namespace VideoCommon::Shader {
using Tegra::Shader::Instruction; using Tegra::Shader::Instruction;
using Tegra::Shader::OpCode; using Tegra::Shader::OpCode;
using Tegra::Shader::SubOp;
u32 ShaderIR::DecodeArithmetic(BasicBlock& bb, u32 pc) { u32 ShaderIR::DecodeArithmetic(BasicBlock& bb, u32 pc) {
const Instruction instr = {program_code[pc]}; const Instruction instr = {program_code[pc]};
const auto opcode = OpCode::Decode(instr); const auto opcode = OpCode::Decode(instr);
UNIMPLEMENTED(); Node op_a = GetRegister(instr.gpr8);
Node op_b = [&]() -> Node {
if (instr.is_b_imm) {
return GetImmediate19(instr);
} else if (instr.is_b_gpr) {
return GetRegister(instr.gpr20);
} else {
return GetConstBuffer(instr.cbuf34.index, instr.cbuf34.offset);
}
}();
switch (opcode->get().GetId()) {
case OpCode::Id::MOV_C:
case OpCode::Id::MOV_R: {
// MOV does not have neither 'abs' nor 'neg' bits.
SetRegister(bb, instr.gpr0, op_b);
break;
}
default:
UNIMPLEMENTED_MSG("Unhandled arithmetic instruction: {}", opcode->get().GetName());
}
return pc; return pc;
} }