re PR target/87598 (Rejects "%a0" with constant)

	PR target/87598
	* config/aarch64/aarch64.c (aarch64_print_address_internal): Don't
	call output_operand_lossage on VOIDmode CONST_INTs.  After
	output_operand_lossage do return false.

	* gcc.target/aarch64/asm-5.c: New test.

From-SVN: r266852

gcc/ChangeLog

+2018-12-06  Jakub Jelinek  <jakub@redhat.com>
+
+	PR target/87598
+	* config/aarch64/aarch64.c (aarch64_print_address_internal): Don't
+	call output_operand_lossage on VOIDmode CONST_INTs.  After
+	output_operand_lossage do return false.
+
 2018-12-06  Richard Biener  <rguenther@suse.de>
 
 	* df-problems.c (df_rd_local_compute): Use bitmap_release.

gcc/config/aarch64/aarch64.c

@@ -7635,8 +7635,13 @@ aarch64_print_address_internal (FILE *f, machine_mode mode, rtx x,
   unsigned int size;
 
   /* Check all addresses are Pmode - including ILP32.  */
-  if (GET_MODE (x) != Pmode)
-    output_operand_lossage ("invalid address mode");
+  if (GET_MODE (x) != Pmode
+      && (!CONST_INT_P (x)
+	  || trunc_int_for_mode (INTVAL (x), Pmode) != INTVAL (x)))
+    {
+      output_operand_lossage ("invalid address mode");
+      return false;
+    }
 
   if (aarch64_classify_address (&addr, x, mode, true, type))
     switch (addr.type)

gcc/testsuite/ChangeLog

 2018-12-06  Jakub Jelinek  <jakub@redhat.com>
 
+	PR target/87598
+	* gcc.target/aarch64/asm-5.c: New test.
+
 	PR tree-optimization/85726
 	* gcc.dg/tree-ssa/pr85726-1.c: New test.
 	* gcc.dg/tree-ssa/pr85726-2.c: New test.

gcc/testsuite/gcc.target/aarch64/asm-5.c

+/* PR target/87598 */
+/* { dg-do compile } */
+
+void
+foo (void)
+{
+  __asm__ ("# %a0" : : "i" (0));
+}