[AArch64][1/2] Remove UNSPEC_CLS and use clrsb RTL code in its' place.

	* config/aarch64/aarch64.md: Delete UNSPEC_CLS.
	(clrsb<mode>2): Use clrsb RTL code instead of UNSPEC_CLS.

From-SVN: r212912

gcc/ChangeLog

 2014-07-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 
+	* config/aarch64/aarch64.md: Delete UNSPEC_CLS.
+	(clrsb<mode>2): Use clrsb RTL code instead of UNSPEC_CLS.
+
+2014-07-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
+
 	* config/aarch64/arm_neon.h (vbsl_f64): New intrinsic.
 
 2014-07-22  Roman Gareev  <gareevroman@gmail.com>

gcc/config/aarch64/aarch64.md

@@ -67,7 +67,6 @@
 
 (define_c_enum "unspec" [
     UNSPEC_CASESI
-    UNSPEC_CLS
     UNSPEC_CRC32B
     UNSPEC_CRC32CB
     UNSPEC_CRC32CH
@@ -2863,7 +2862,7 @@
 
 (define_insn "clrsb<mode>2"
   [(set (match_operand:GPI 0 "register_operand" "=r")
-	(unspec:GPI [(match_operand:GPI 1 "register_operand" "r")] UNSPEC_CLS))]
+        (clrsb:GPI (match_operand:GPI 1 "register_operand" "r")))]
   ""
   "cls\\t%<w>0, %<w>1"
   [(set_attr "type" "clz")]