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[PowerPC][NFC] Split PPCELFStreamer::emitInstruction 

Split off PPCELFStreamer::emitPrefixedInstruction from
PPCELFStreamer::emitInstruction.

Differential Revision: https://reviews.llvm.org/D79626
This commit is contained in:
Stefan Pintilie 2020-05-25 06:32:51 -05:00
parent 9ff361b099
commit 5a4bcec8db
2 changed files with 17 additions and 11 deletions
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26
llvm/lib/Target/PowerPC/MCTargetDesc/PPCELFStreamer.cpp
View File

@ -44,17 +44,8 @@ PPCELFStreamer::PPCELFStreamer(MCContext &Context,
std::move(Emitter)), LastLabel(NULL) {
}
void PPCELFStreamer::emitInstruction(const MCInst &Inst,
const MCSubtargetInfo &STI) {
PPCMCCodeEmitter *Emitter =
static_cast<PPCMCCodeEmitter*>(getAssembler().getEmitterPtr());
// Special handling is only for prefixed instructions.
if (!Emitter->isPrefixedInstruction(Inst)) {
MCELFStreamer::emitInstruction(Inst, STI);
return;
}
void PPCELFStreamer::emitPrefixedInstruction(const MCInst &Inst,
const MCSubtargetInfo &STI) {
// Prefixed instructions must not cross a 64-byte boundary (i.e. prefix is
// before the boundary and the remaining 4-bytes are after the boundary). In
// order to achieve this, a nop is added prior to any such boundary-crossing
@ -93,6 +84,19 @@ void PPCELFStreamer::emitInstruction(const MCInst &Inst,
}
}
void PPCELFStreamer::emitInstruction(const MCInst &Inst,
const MCSubtargetInfo &STI) {
PPCMCCodeEmitter *Emitter =
static_cast<PPCMCCodeEmitter*>(getAssembler().getEmitterPtr());
// Special handling is only for prefixed instructions.
if (!Emitter->isPrefixedInstruction(Inst)) {
MCELFStreamer::emitInstruction(Inst, STI);
return;
}
emitPrefixedInstruction(Inst, STI);
}
void PPCELFStreamer::emitLabel(MCSymbol *Symbol, SMLoc Loc) {
LastLabel = Symbol;
LastLabelLoc = Loc;

2
llvm/lib/Target/PowerPC/MCTargetDesc/PPCELFStreamer.h
View File

@ -41,6 +41,8 @@ public:
// EmitLabel updates LastLabel and LastLabelLoc when a new label is emitted.
void emitLabel(MCSymbol *Symbol, SMLoc Loc = SMLoc()) override;
private:
void emitPrefixedInstruction(const MCInst &Inst, const MCSubtargetInfo &STI);
};
MCELFStreamer *createPPCELFStreamer(MCContext &Context,