arm.c (arm_gen_constant): Use SImode when preparing operands for gen_extzv_t2.

	* arm.c (arm_gen_constant): Use SImode when preparing operands for
	gen_extzv_t2.

From-SVN: r190143

gcc/ChangeLog

+2012-08-04  Richard Earnshaw  <rearnsha@arm.com>
+
+	* arm.c (arm_gen_constant): Use SImode when preparing operands for
+	gen_extzv_t2.
+
 2012-08-04  Uros Bizjak  <ubizjak@gmail.com>
 
 	* config/i386/i386.h (QI_REGNO_P): New define.

gcc/config/arm/arm.c

@@ -2999,8 +2999,8 @@ arm_gen_constant (enum rtx_code code, enum machine_mode mode, rtx cond,
 	    /* Extz only supports SImode, but we can coerce the operands
 	       into that mode.  */
 	    emit_constant_insn (cond,
-				gen_extzv_t2 (gen_lowpart (mode, target),
-					      gen_lowpart (mode, source),
+				gen_extzv_t2 (gen_lowpart (SImode, target),
+					      gen_lowpart (SImode, source),
 					      GEN_INT (i), const0_rtx));
 	}