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#include "setcc.h"
#include "codes.h"
#include <asm/assembler.h>
#include <asm/operators.h>
#include <asm/intel64/codes.h>
using namespace std::string_literals;
namespace {
struct Operation {
std::string name;
OP_T opcode;
};
std::vector<Operation> setccOps {
{"seta", OP_T{ 0x0F, 0x97 }},
{"setae", OP_T{ 0x0F, 0x93 }},
{"setb", OP_T{ 0x0F, 0x92 }},
{"setbe", OP_T{ 0x0F, 0x96 }},
{"setc", OP_T{ 0x0F, 0x92 }},
{"sete", OP_T{ 0x0F, 0x94 }},
{"setg", OP_T{ 0x0F, 0x9F }},
{"setge", OP_T{ 0x0F, 0x9D }},
{"setl", OP_T{ 0x0F, 0x9C }},
{"setle", OP_T{ 0x0F, 0x9E }},
{"setna", OP_T{ 0x0F, 0x96 }},
{"setnae",OP_T{ 0x0F, 0x92 }},
{"setnb", OP_T{ 0x0F, 0x93 }},
{"setnbe",OP_T{ 0x0F, 0x97 }},
{"setnc", OP_T{ 0x0F, 0x93 }},
{"setne", OP_T{ 0x0F, 0x95 }},
{"setng", OP_T{ 0x0F, 0x9E }},
{"setnge",OP_T{ 0x0F, 0x9C }},
{"setnl", OP_T{ 0x0F, 0x9D }},
{"setnle",OP_T{ 0x0F, 0x9F }},
{"setno", OP_T{ 0x0F, 0x91 }},
{"setnp", OP_T{ 0x0F, 0x9B }},
{"setns", OP_T{ 0x0F, 0x99 }},
{"setnz", OP_T{ 0x0F, 0x95 }},
{"seto", OP_T{ 0x0F, 0x90 }},
{"setp", OP_T{ 0x0F, 0x9A }},
{"setpe", OP_T{ 0x0F, 0x9A }},
{"setpo", OP_T{ 0x0F, 0x9B }},
{"sets", OP_T{ 0x0F, 0x98 }},
{"setz", OP_T{ 0x0F, 0x94 }},
};
bool registerOps() {
bool result{true};
for (const auto& setccOp: setccOps) {
result &= registerOp(mangleName<Asm::Args::Register8>(setccOp.name), [&](const Asm::Args& args) -> std::shared_ptr<Op>{
return std::make_shared<Op_setcc>(setccOp.name, args, setccOp.opcode);
});
result &= registerOp(mangleName<Asm::Args::Mem8Ptr64>(setccOp.name), [&](const Asm::Args& args) -> std::shared_ptr<Op>{
return std::make_shared<Op_setcc>(setccOp.name, args, setccOp.opcode);
});
}
return result;
}
bool registered {
registerOps()
};
}
Op_setcc::Op_setcc(const std::string& name, const Asm::Args& args, const OP_T& opcode)
{
if (args[0].type() == typeid(Asm::Args::Register8)) { // setcc reg8
// actually, reg field of ModRM is ignored and could be different from /0
machine_code = opcode + ModRM("/0", std::any_cast<Asm::Args::Register8>(args[0]).name());
} else if (args[0].type() == typeid(Asm::Args::Mem8Ptr64)) { // setcc byte ptr [reg64]
Asm::Args::Mem8Ptr64 ptr{std::any_cast<Asm::Args::Mem8Ptr64>(args[0])};
// actually, reg field of ModRM is ignored and could be different from /0
machine_code = opcode + ModRM("/0", ptr.reg(), ptr.offs());
} else {
throw std::runtime_error("Unimplemented: setcc "s + args[0].type().name() + " "s + args[1].type().name());
}
}
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