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Shader_IR: Implement ICMP.

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This commit is contained in:
Fernando Sahmkow 2019-09-19 20:56:29 -04:00
parent b31880dc5e
commit 4b81d19a1a
2 changed files with 37 additions and 0 deletions
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26
src/video_core/shader/decode/arithmetic_integer.cpp
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@ -138,6 +138,32 @@ u32 ShaderIR::DecodeArithmeticInteger(NodeBlock& bb, u32 pc) {
SetRegister(bb, instr.gpr0, value);
break;
}
case OpCode::Id::ICMP_CR:
case OpCode::Id::ICMP_R:
case OpCode::Id::ICMP_RC: {
UNIMPLEMENTED_IF(instr.icmp.is_signed != 0);
const Node zero = Immediate(0);
const auto [op_a, op_b] = [&]() -> std::tuple<Node, Node> {
switch (opcode->get().GetId()) {
case OpCode::Id::ICMP_CR:
return {GetConstBuffer(instr.cbuf34.index, instr.cbuf34.offset),
GetRegister(instr.gpr39)};
case OpCode::Id::ICMP_R:
return {GetRegister(instr.gpr20), GetRegister(instr.gpr39)};
case OpCode::Id::ICMP_RC:
return {GetRegister(instr.gpr39),
GetConstBuffer(instr.cbuf34.index, instr.cbuf34.offset)};
default:
UNIMPLEMENTED();
return {zero, zero};
}
}();
const Node test = GetRegister(instr.gpr8);
const Node comparison = GetPredicateComparisonInteger(instr.icmp.cond, false, test, zero);
SetRegister(bb, instr.gpr0, Operation(OperationCode::Select, comparison, op_a, op_b));
break;
}
case OpCode::Id::LOP_C:
case OpCode::Id::LOP_R:
case OpCode::Id::LOP_IMM: {