[mips] [IAS] Emit .set macro/nomacro.

[tomatabacu]

Ping.

[dsanders]

LGTM

lib/Target/Mips/AsmParser/MipsAsmParser.cpp

bool MipsAsmParser::parseSetMacroDirective() {
   MCAsmParser &Parser = getParser();
   Parser.Lex();
   // If this is not the end of the statement, report an error.
   if (getLexer().isNot(AsmToken::EndOfStatement)) {
     reportParseError("unexpected token, expected end of statement");
     return false;
   }
   AssemblerOptions.back()->setMacro();
+  getTargetStreamer().emitDirectiveSetMacro();
   Parser.Lex(); // Consume the EndOfStatement.
   return false;
 }
 
 bool MipsAsmParser::parseSetNoMacroDirective() {
   MCAsmParser &Parser = getParser();
   Parser.Lex();
   // If this is not the end of the statement, report an error.
   if (getLexer().isNot(AsmToken::EndOfStatement)) {
     reportParseError("unexpected token, expected end of statement");
     return false;
   }
   if (AssemblerOptions.back()->isReorder()) {
     reportParseError("`noreorder' must be set before `nomacro'");
     return false;
   }
   AssemblerOptions.back()->setNoMacro();
+  getTargetStreamer().emitDirectiveSetNoMacro();
   Parser.Lex(); // Consume the EndOfStatement.
   return false;
 }
 
 bool MipsAsmParser::parseSetMsaDirective() {
   MCAsmParser &Parser = getParser();
   Parser.Lex();
 

test/MC/Mips/mips_directives.s

 
 # CHECK: .set noreorder
 # CHECK:   b 1332               # encoding: [0x10,0x00,0x01,0x4d]
 # CHECK-NOT: nop
 # CHECK:   j 1328               # encoding: [0x08,0x00,0x01,0x4c]
 # CHECK-NOT: nop
 # CHECK:   jal 1328             # encoding: [0x0c,0x00,0x01,0x4c]
 # CHECK-NOT: nop
+# CHECK: .set nomacro
 
     .set    noreorder
      b 1332
      j 1328
      jal 1328
     .set    nomacro
     .set    noat
 $JTI0_0:
     .gpword    ($BB0_2)
 
     .word 0x77fffffc
 # CHECK: $JTI0_0:
 # CHECK: .gpword ($BB0_2)
 # CHECK:     .4byte    2013265916
     .set  at=$12
     .set macro
+# CHECK:   .set macro
 # CHECK:   .set reorder
 # CHECK:   b 1332               # encoding: [0x10,0x00,0x01,0x4d]
 # CHECK:   nop                  # encoding: [0x00,0x00,0x00,0x00]
 # CHECK:   j 1328               # encoding: [0x08,0x00,0x01,0x4c]
 # CHECK:   nop                  # encoding: [0x00,0x00,0x00,0x00]
 # CHECK:   jal 1328             # encoding: [0x0c,0x00,0x01,0x4c]
 # CHECK:   nop                  # encoding: [0x00,0x00,0x00,0x00]
     .set reorder

test/MC/Mips/module-directive-bad.s

 # CHECK: :[[@LINE-1]]:13: error: .module directive must appear before any code
 
     .llvm_internal_mips_reallow_module_directive
     .module fp=32
 # CHECK-NOT: :[[@LINE-1]]:13: error: .module directive must appear before any code
 
     .set macro
     .module fp=64
-# FIXME: emitDirectiveSetMacro should call forbidModuleDirective().
+# CHECK: :[[@LINE-1]]:13: error: .module directive must appear before any code
 
     .llvm_internal_mips_reallow_module_directive
     .module fp=32
 # CHECK-NOT: :[[@LINE-1]]:13: error: .module directive must appear before any code
 
     .set nomacro
     .module fp=64
-# FIXME: emitDirectiveSetNoMacro should call forbidModuleDirective().
+# CHECK: :[[@LINE-1]]:13: error: .module directive must appear before any code
 
     .llvm_internal_mips_reallow_module_directive
     .module fp=32
 # CHECK-NOT: :[[@LINE-1]]:13: error: .module directive must appear before any code
 
     .set at
     .module fp=64
 # CHECK: :[[@LINE-1]]:13: error: .module directive must appear before any code