[Mips] Add two new aliases for MIPS ABI names 32 (means o32 abi) and 64

(means n64 abi) to improve compatibility with GNU tools.
Patch by Jia Liu <proljc@gmail.com>.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176187 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 19 insertions, 9 deletions

diff --git a/lib/Basic/Targets.cpp b/lib/Basic/Targets.cpp
index ec57ca3609..24a69ee22b 100644
--- a/lib/Basic/Targets.cpp
+++ b/lib/Basic/Targets.cpp
@@ -4411,6 +4411,12 @@ public:
         Name == "mips16" || Name == "dsp" || Name == "dspr2") {
       Features[Name] = Enabled;
       return true;
+    } else if (Name == "32") {
+      Features["o32"] = Enabled;
+      return true;
+    } else if (Name == "64") {
+      Features["n64"] = Enabled;
+      return true;
     }
     return false;
   }
@@ -4467,6 +4473,9 @@ public:
     if ((Name == "o32") || (Name == "eabi")) {
       ABI = Name;
       return true;
+    } else if (Name == "32") {
+      ABI = "o32";
+      return true;
     } else
       return false;
   }
@@ -4571,18 +4580,19 @@ public:
   }
   virtual bool setABI(const std::string &Name) {
     SetDescriptionString(Name);
-
-    if (Name != "n32" && Name != "n64")
-      return false;
-
-    ABI = Name;
-
     if (Name == "n32") {
       LongWidth = LongAlign = 32;
       PointerWidth = PointerAlign = 32;
-    }
-
-    return true;
+      ABI = Name;
+      return true;
+    } else if (Name == "n64") {
+      ABI = Name;
+      return true;
+    } else if (Name == "64") {
+      ABI = "n64";
+      return true;
+    } else
+      return false;
   }
   virtual void getTargetDefines(const LangOptions &Opts,
                                 MacroBuilder &Builder) const {