[mips] Support `micromips` attribute

This patch adds support for the `micromips` and `nomicromips` attributes
for MIPS targets.

Differential revision: https://reviews.llvm.org/D33363

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@303546 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 12 insertions, 0 deletions

diff --git a/include/clang/Basic/Attr.td b/include/clang/Basic/Attr.td
index 4eb958e3f4..a885ede8df 100644
--- a/include/clang/Basic/Attr.td
+++ b/include/clang/Basic/Attr.td
@@ -1179,6 +1179,12 @@ def MipsInterrupt : InheritableAttr, TargetSpecificAttr<TargetMips> {
   let Documentation = [MipsInterruptDocs];
 }
 
+def MicroMips : InheritableAttr, TargetSpecificAttr<TargetMips> {
+  let Spellings = [GCC<"micromips">];
+  let Subjects = SubjectList<[Function], ErrorDiag>;
+  let Documentation = [MicroMipsDocs];
+}
+
 def Mode : Attr {
   let Spellings = [GCC<"mode">];
   let Subjects = SubjectList<[Var, Enum, TypedefName, Field], ErrorDiag,
@@ -1261,6 +1267,12 @@ def NoMips16 : InheritableAttr, TargetSpecificAttr<TargetMips> {
   let Documentation = [Undocumented];
 }
 
+def NoMicroMips : InheritableAttr, TargetSpecificAttr<TargetMips> {
+  let Spellings = [GCC<"nomicromips">];
+  let Subjects = SubjectList<[Function], ErrorDiag>;
+  let Documentation = [MicroMipsDocs];
+}
+
 // This is not a TargetSpecificAttr so that is silently accepted and
 // ignored on other targets as encouraged by the OpenCL spec.
 //