Move emitInlineAsmEnd to the AsmPrinter interface.

[oota-llvm.git] / lib / Target / ARM / ARMAsmPrinter.cpp

diff --git a/lib/Target/ARM/ARMAsmPrinter.cpp b/lib/Target/ARM/ARMAsmPrinter.cpp
index 965d93c1f4b7b1243967d90a632a82c9d2b35542..325f3553854dfd851c90a4ea770dd140c8138240 100644 (file)
--- a/lib/Target/ARM/ARMAsmPrinter.cpp
+++ b/lib/Target/ARM/ARMAsmPrinter.cpp
@@ -438,6 +438,22 @@ bool ARMAsmPrinter::PrintAsmMemoryOperand(const MachineInstr *MI,
   return false;
 }
 
+static bool isThumb(const MCSubtargetInfo& STI) {
+  return (STI.getFeatureBits() & ARM::ModeThumb) != 0;
+}
+
+void ARMAsmPrinter::emitInlineAsmEnd(const MCSubtargetInfo &StartInfo,
+                                     MCSubtargetInfo *EndInfo) const {
+  // If either end mode is unknown (EndInfo == NULL) or different than
+  // the start mode, then restore the start mode.
+  const bool WasThumb = isThumb(StartInfo);
+  if (EndInfo == NULL || WasThumb != isThumb(*EndInfo)) {
+    OutStreamer.EmitAssemblerFlag(WasThumb ? MCAF_Code16 : MCAF_Code32);
+    if (EndInfo)
+      EndInfo->ToggleFeature(ARM::ModeThumb);
+  }
+}
+
 void ARMAsmPrinter::EmitStartOfAsmFile(Module &M) {
   if (Subtarget->isTargetMachO()) {
     Reloc::Model RelocM = TM.getRelocationModel();