[llvm] [MC][X86/M68k] Emit syntax directive for AT&T (PR #167234)

[Fangrui Song via llvm-commits]

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@@ -796,14 +796,12 @@ void MCAsmStreamer::emitSymbolDesc(MCSymbol *Symbol, unsigned DescValue) {
   EmitEOL();
 }
 
-void MCAsmStreamer::emitSyntaxDirective() {
-  if (MAI->getAssemblerDialect() == 1) {
-    OS << "\t.intel_syntax noprefix";
-    EmitEOL();
+void MCAsmStreamer::emitSyntaxDirective(StringRef Syntax, StringRef Options) {
+  OS << "\t." << Syntax << "_syntax";
+  if (!Options.empty()) {
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MaskRay wrote:

remove brace https://llvm.org/docs/CodingStandards.html#don-t-use-braces-on-simple-single-statement-bodies-of-if-else-loop-statements

https://github.com/llvm/llvm-project/pull/167234