[X86] Add .intel_syntax noprefix directive to intel-syntax x86 asm output
Patch by: michael.zuckerman@intel.com
Differential Revision: http://reviews.llvm.org/D11223
llvm-svn: 242886
diff --git a/llvm/lib/MC/MCAsmStreamer.cpp b/llvm/lib/MC/MCAsmStreamer.cpp
index 227c937..ec49058 100644
--- a/llvm/lib/MC/MCAsmStreamer.cpp
+++ b/llvm/lib/MC/MCAsmStreamer.cpp
@@ -78,6 +78,9 @@
}
EmitCommentsAndEOL();
}
+
+ virtual void EmitSyntaxDirective();
+
void EmitCommentsAndEOL();
/// isVerboseAsm - Return true if this streamer supports verbose assembly at
@@ -480,6 +483,14 @@
EmitEOL();
}
+void MCAsmStreamer::EmitSyntaxDirective() {
+ if (MAI->getAssemblerDialect() == 1)
+ OS << "\t.intel_syntax noprefix\n";
+ // FIXME: Currently emit unprefix'ed registers.
+ // The intel_syntax directive has one optional argument
+ // with may have a value of prefix or noprefix.
+}
+
void MCAsmStreamer::BeginCOFFSymbolDef(const MCSymbol *Symbol) {
OS << "\t.def\t ";
Symbol->print(OS, MAI);
diff --git a/llvm/lib/MC/MCStreamer.cpp b/llvm/lib/MC/MCStreamer.cpp
index 7fbbbd9..a25cdfa 100644
--- a/llvm/lib/MC/MCStreamer.cpp
+++ b/llvm/lib/MC/MCStreamer.cpp
@@ -467,6 +467,8 @@
report_fatal_error("Chained unwind areas can't have handlers!");
}
+void MCStreamer::EmitSyntaxDirective() {}
+
void MCStreamer::EmitWinCFIPushReg(unsigned Register) {
EnsureValidWinFrameInfo();