Change -prefer-32bit-thumb to attribute -mattr=+32bit instead to disable more 32-bit to 16-bit optimizations.
llvm-svn: 110584
diff --git a/llvm/lib/Target/ARM/ARM.td b/llvm/lib/Target/ARM/ARM.td
index fa64d6c..e76a47d 100644
--- a/llvm/lib/Target/ARM/ARM.td
+++ b/llvm/lib/Target/ARM/ARM.td
@@ -65,6 +65,9 @@
"true",
"Use NEON for single precision FP">;
+// Disable 32-bit to 16-bit narrowing for experimentation.
+def FeaturePref32BitThumb : SubtargetFeature<"32bit", "Pref32BitThumb", "true",
+ "Prefer 32-bit Thumb instrs">;
//===----------------------------------------------------------------------===//
// ARM Processors supported.