re PR target/52882 (ICE in memory_address_length, at config/i386/i386.c:23373)

	PR target/52882
	* config/i386/i386.c (ix86_decompose_address): Allow VOIDmode
	CONST_INT operands, zero-extended with AND.

testsuite/ChangeLog:

	PR target/52882
	* gcc.target/i386/pr52882.c: New test.

From-SVN: r186170

gcc/ChangeLog

+2012-04-05  Uros Bizjak  <ubizjak@gmail.com>
+
+	PR target/52882
+	* config/i386/i386.c (ix86_decompose_address): Allow VOIDmode
+	CONST_INT operands, zero-extended with AND.
+
 2012-04-05  Oleg Endo  <olegendo@gcc.gnu.org>
 
 	PR target/50751
 	* config/sh/sh.c (sh_find_mov_disp_adjust): Take machine_mode as the
 	first argument instead of mode size.  Move displacement calculations
 	to ...
-	(mov_insn_size, max_mov_insn_displacement, mov_insn_alignment_mask): 
+	(mov_insn_size, max_mov_insn_displacement, mov_insn_alignment_mask):
 	... these new functions.
 	(disp_adjust): Remove max_mov_disp field.
 	(sh_legitimate_index_p): Use max_mov_insn_displacement and

gcc/config/i386/i386.c

@@ -11510,7 +11510,7 @@ ix86_decompose_address (rtx addr, struct ix86_address *out)
 	    addr = SUBREG_REG (addr);
 	  else if (GET_MODE (addr) == DImode)
 	    addr = gen_rtx_SUBREG (SImode, addr, 0);
-	  else
+	  else if (GET_MODE (addr) != VOIDmode)
 	    return 0;
 	}
     }

gcc/testsuite/ChangeLog

+2012-04-05  Uros Bizjak  <ubizjak@gmail.com>
+
+	PR target/52882
+	* gcc.target/i386/pr52882.c: New test.
+
 2012-04-05  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
 	    Dominique D'Humieures  <dominiq@lps.ens.fr>
 

gcc/testsuite/gcc.target/i386/pr52882.c

+/* { dg-do compile } */
+/* { dg-options "-O" } */
+
+struct S1 {
+  int f0;
+  int f1;
+};
+
+int fn1 ();
+void fn2 (struct S1);
+
+void
+fn3 () {
+  struct S1 a = { 1, 0 };
+  if (fn1 ())
+    fn2 (a);
+  for (; a.f1;) {
+  }
+}