Preliminary support for ARM frame save directives emission via MI flags.

[oota-llvm.git] / lib / MC / MCAsmStreamer.cpp

diff --git a/lib/MC/MCAsmStreamer.cpp b/lib/MC/MCAsmStreamer.cpp
index a4ffd8a84ef4412d237eb4debc540c50941a0db3..c7ecf53c7f39b3d253906b2b3a1e4d0fa3cbb909 100644 (file)
--- a/lib/MC/MCAsmStreamer.cpp
+++ b/lib/MC/MCAsmStreamer.cpp
@@ -197,6 +197,10 @@ public:
   virtual void EmitCantUnwind();
   virtual void EmitPersonality(const MCSymbol *Personality);
   virtual void EmitHandlerData();
+  virtual void EmitSetFP(unsigned FpReg, unsigned SpReg, int64_t Offset = 0);
+  virtual void EmitPad(int64_t Offset);
+  virtual void EmitRegSave(const SmallVectorImpl<unsigned> &RegList, bool);
+
 
   virtual void EmitInstruction(const MCInst &Inst);
 
@@ -890,6 +894,36 @@ void MCAsmStreamer::EmitPersonality(const MCSymbol *Personality) {
   EmitEOL();
 }
 
+void MCAsmStreamer::EmitSetFP(unsigned FpReg, unsigned SpReg, int64_t Offset) {
+  OS << "\t.setfp\t" << InstPrinter->getRegName(FpReg)
+     << ", "        << InstPrinter->getRegName(SpReg);
+  if (Offset)
+    OS << ", #" << Offset;
+  EmitEOL();
+}
+
+void MCAsmStreamer::EmitPad(int64_t Offset) {
+  OS << "\t.pad\t#" << Offset;
+  EmitEOL();
+}
+
+void MCAsmStreamer::EmitRegSave(const SmallVectorImpl<unsigned> &RegList,
+                                bool isVector) {
+  assert(RegList.size() && "RegList should not be empty");
+  if (isVector)
+    OS << "\t.vsave\t{";
+  else
+    OS << "\t.save\t{";
+
+  OS << InstPrinter->getRegName(RegList[0]);
+
+  for (unsigned i = 1, e = RegList.size(); i != e; ++i)
+    OS << ", " << InstPrinter->getRegName(RegList[i]);
+
+  OS << "}";
+  EmitEOL();
+}
+
 void MCAsmStreamer::EmitInstruction(const MCInst &Inst) {
   assert(getCurrentSection() && "Cannot emit contents before setting section!");