[PATCH] rs6000: Handle print_operand_address for unexpected RTL (PR87598)

[Segher Boessenkool]

As the PR shows, the user can force this to be called on at least some
RTL that is not a valid address.  Most targets treat this as if the
user knows best; let's do the same.

Committing to trunk.


Segher


2018-10-22  Segher Boessenkool  <seg...@kernel.crashing.org>

        PR target/87598
        * config/rs6000/rs6000.c (print_operand_address): For unexpected RTL
        call output_addr_const and hope for the best.

---
 gcc/config/rs6000/rs6000.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c
index b7da571..db82c67 100644
--- a/gcc/config/rs6000/rs6000.c
+++ b/gcc/config/rs6000/rs6000.c
@@ -21255,7 +21255,7 @@ print_operand_address (FILE *file, rtx x)
        fprintf (file, "(%s)", reg_names[REGNO (XVECEXP (tocrel_base_oac, 0, 
1))]);
     }
   else
-    gcc_unreachable ();
+    output_addr_const (file, x);
 }
 
 /* Implement TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA.  */
-- 
1.8.3.1