[PATCH] [mips] Add backend support for Mips32r[35] and Mips64r[35].

[Toma Tabacu]

Could you also update the tests for .set arch=X (set-arch.s) and .set mipsX (set-mips-directives.s and set-mips-directives-bad.s) ?


================
Comment at: test/MC/Mips/mips64r3/abi-bad.s:7-9
@@ +6,4 @@
+        .set fp=xx
+# CHECK     : error: 'set fp=xx'option requires O32 ABI
+# CHECK     : .set fp=xx
+# CHECK     :          ^
----------------
These CHECK's won't do anything because of the whitespace before the colon.

================
Comment at: test/MC/Mips/mips64r5/abi-bad.s:7-9
@@ +6,4 @@
+        .set fp=xx
+# CHECK     : error: 'set fp=xx'option requires O32 ABI
+# CHECK     : .set fp=xx
+# CHECK     :          ^
----------------
These CHECK's won't do anything because of the whitespace before the colon.

http://reviews.llvm.org/D7381

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