void smashJcc(TCA inst, TCA target, ConditionCode cc) {
always_assert(is_aligned(inst, Alignment::SmashJcc));
if (cc == CC_None) {
X64Assembler::patchJcc(inst, target);
} else {
auto& cb = mcg->code().blockFor(inst);
CodeCursor cursor { cb, inst };
X64Assembler a { cb };
a.jcc(cc, target);
}
}
std::pair<TCA,TCA>
emitSmashableJccAndJmp(CodeBlock& cb, TCA target, ConditionCode cc) {
assertx(cc != CC_None);
align(cb, Alignment::SmashJccAndJmp, AlignContext::Live);
X64Assembler a { cb };
auto const jcc = cb.frontier();
a.jcc(cc, target);
auto const jmp = cb.frontier();
a.jmp(target);
return std::make_pair(jcc, jmp);
}
