re PR target/68273 (Wrong code on mips/mipsel due to (invalid?) peeking at…

re PR target/68273 (Wrong code on mips/mipsel due to (invalid?) peeking at alignments in function_arg.)

2016-08-09  Richard Biener  <rguenther@suse.de>

	PR ipa/68273
	* ipa-prop.c (ipa_modify_formal_parameters): Build
	parameter types with natural alignment also for the
	over-aligned case.

From-SVN: r239273

gcc/ChangeLog

+2016-08-09  Richard Biener  <rguenther@suse.de>
+
+	PR ipa/68273
+	* ipa-prop.c (ipa_modify_formal_parameters): Build
+	parameter types with natural alignment also for the
+	over-aligned case.
+
 2016-08-08  Andi Kleen  <ak@linux.intel.com>
 
 	* tree-vrp.c (get_single_symbol): Always initialize inv and neg.

gcc/ipa-prop.c

@@ -3910,7 +3910,7 @@ ipa_modify_formal_parameters (tree fndecl, ipa_parm_adjustment_vec adjustments)
 	      if (is_gimple_reg_type (ptype))
 		{
 		  unsigned malign = GET_MODE_ALIGNMENT (TYPE_MODE (ptype));
-		  if (TYPE_ALIGN (ptype) < malign)
+		  if (TYPE_ALIGN (ptype) != malign)
 		    ptype = build_aligned_type (ptype, malign);
 		}
 	    }