[PATCH] [mips] [IAS] Don't do 64-bit expansions for LA of symbol.

[Daniel Sanders]

================
Comment at: lib/Target/Mips/AsmParser/MipsAsmParser.cpp:1930-1932
@@ +1929,5 @@
+    SMLoc IDLoc, SmallVectorImpl<MCInst> &Instructions) {
+  if (Is32BitSym && isGP64bit())
+    Warning(IDLoc,
+            "instruction loads a 32-bit address on a 64-bit architecture");
+
----------------
I don't think this warning is correct. O32 and N32 should be able to use 'la' on a 64-bit CPU. The warning makes sense for N64 though.

http://reviews.llvm.org/D9295

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