r306280 - [mips] Enable IAS by default for Android 64-bit MIPS target (N64)

[Petar Jovanovic via cfe-commits]

Author: petarj
Date: Mon Jun 26 02:58:01 2017
New Revision: 306280

URL: http://llvm.org/viewvc/llvm-project?rev=306280&view=rev
Log:
[mips] Enable IAS by default for Android 64-bit MIPS target (N64)

IAS is already used for MIPS64 in majority of Android projects.
Android MIPS64 uses N64 ABI. Set IAS as a default now.

Differential Revision: https://reviews.llvm.org/D34514

Modified:
    cfe/trunk/lib/Driver/ToolChains/Gnu.cpp

Modified: cfe/trunk/lib/Driver/ToolChains/Gnu.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Driver/ToolChains/Gnu.cpp?rev=306280&r1=306279&r2=306280&view=diff
==============================================================================
--- cfe/trunk/lib/Driver/ToolChains/Gnu.cpp (original)
+++ cfe/trunk/lib/Driver/ToolChains/Gnu.cpp Mon Jun 26 02:58:01 2017
@@ -2338,9 +2338,11 @@ bool Generic_GCC::IsIntegratedAssemblerD
     return true;
   case llvm::Triple::mips64:
   case llvm::Triple::mips64el:
-    // Enabled for Debian mips64/mips64el only. Other targets are unable to
-    // distinguish N32 from N64.
-    if (getTriple().getEnvironment() == llvm::Triple::GNUABI64)
+    // Enabled for Debian and Android mips64/mipsel, as they can precisely
+    // identify the ABI in use (Debian) or only use N64 for MIPS64 (Android).
+    // Other targets are unable to distinguish N32 from N64.
+    if (getTriple().getEnvironment() == llvm::Triple::GNUABI64 ||
+        getTriple().isAndroid())
       return true;
     return false;
   default: