re PR middle-end/80295 (ICE in __builtin_update_setjmp_buf expander)

gcc/ChangeLog

2017-10-17  Qing Zhao <qing.zhao@oracle.com>
	    Wilco Dijkstra <wilco.dijkstra@arm.com>

        * builtins.c (expand_builtin_update_setjmp_buf): Add a
        converstion to Pmode from the buf_addr.

gcc/testsuite/ChangeLog

2017-10-17  Qing Zhao <qing.zhao@oracle.com>
	    Wilco Dijkstra <wilco.dijkstra@arm.com>

        PR middle-end/80295
        * gcc.target/aarch64/pr80295.c: New test.

Co-Authored-By: Wilco Dijkstra <wdijkstr@arm.com>

From-SVN: r253814

gcc/ChangeLog

+2017-10-17  Qing Zhao <qing.zhao@oracle.com>
+	    Wilco Dijkstra <wilco.dijkstra@arm.com>
+
+        * builtins.c (expand_builtin_update_setjmp_buf): Add a
+        converstion to Pmode from the buf_addr.
+
 2017-10-17  Richard Biener  <rguenther@suse.de>
 
 	* graphite-dependences.c (scop_get_reads_and_writes): Change

gcc/builtins.c

@@ -1199,6 +1199,7 @@ void
 expand_builtin_update_setjmp_buf (rtx buf_addr)
 {
   machine_mode sa_mode = STACK_SAVEAREA_MODE (SAVE_NONLOCAL);
+  buf_addr = convert_memory_address (Pmode, buf_addr);
   rtx stack_save
     = gen_rtx_MEM (sa_mode,
 		   memory_address

gcc/testsuite/gcc.target/aarch64/pr80295.c

+/* { dg-do compile } */
+/* { dg-options "-mabi=ilp32" } */
+
+void f (void *b) 
+{ 
+  __builtin_update_setjmp_buf (b); 
+}
+