re PR target/60693 (ICE on funny memcpy)

	PR target/60693
	* config/i386/i386.c (ix86_copy_addr_to_reg): Call copy_addr_to_reg
	also if addr has VOIDmode.

	* gcc.target/i386/pr60693.c: New test.

From-SVN: r208915

gcc/ChangeLog

+2014-03-28  Jakub Jelinek  <jakub@redhat.com>
+
+	PR target/60693
+	* config/i386/i386.c (ix86_copy_addr_to_reg): Call copy_addr_to_reg
+	also if addr has VOIDmode.
+
 2014-03-28  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 
 	* config/arm/aarch-common.c (aarch_crypto_can_dual_issue): New.

gcc/config/i386/i386.c

@@ -22755,7 +22755,7 @@ counter_mode (rtx count_exp)
 static rtx
 ix86_copy_addr_to_reg (rtx addr)
 {
-  if (GET_MODE (addr) == Pmode)
+  if (GET_MODE (addr) == Pmode || GET_MODE (addr) == VOIDmode)
     return copy_addr_to_reg (addr);
   else
     {

gcc/testsuite/ChangeLog

+2014-03-28  Jakub Jelinek  <jakub@redhat.com>
+
+	PR target/60693
+	* gcc.target/i386/pr60693.c: New test.
+
 2014-03-28  Vishnu K S  <Vishnu.k_s@atmel.com>
 
 	* gcc.dg/pr59940.c (si): Use 32-bit SI mode instead of int.

gcc/testsuite/gcc.target/i386/pr60693.c

+/* PR target/60693 */
+/* { dg-do compile } */
+/* { dg-options "-O0" } */
+
+void bar (char *);
+
+void
+foo (void)
+{
+  char buf[4096];
+  __builtin_memcpy (buf, (void *) 0x8000, 4096);
+  bar (buf);
+}