[mips] Enable inlining of atomic ops on mips32 and mips64.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172855 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Basic/Targets.cpp b/lib/Basic/Targets.cpp
index 8e45804..c83165f 100644
--- a/lib/Basic/Targets.cpp
+++ b/lib/Basic/Targets.cpp
@@ -4130,6 +4130,7 @@
     MipsTargetInfoBase(triple, "o32", "mips32") {
     SizeType = UnsignedInt;
     PtrDiffType = SignedInt;
+    MaxAtomicPromoteWidth = MaxAtomicInlineWidth = 32;
   }
   virtual bool setABI(const std::string &Name) {
     if ((Name == "o32") || (Name == "eabi")) {
@@ -4235,6 +4236,7 @@
       LongDoubleFormat = &llvm::APFloat::IEEEdouble;
     }
     SuitableAlign = 128;
+    MaxAtomicPromoteWidth = MaxAtomicInlineWidth = 64;
   }
   virtual bool setABI(const std::string &Name) {
     SetDescriptionString(Name);