commit 7780dc5b2d02785186583fc8eced3c9e3aec4552
Author: Tobias Burnus <tobias@codesourcery.com>
Date:   Fri Jul 1 12:21:24 2022 +0200

    gcn: Remove useless register keyword
    
    gcc/ChangeLog:
    
            * config/gcn/gcn-protos.h (print_operand_address): Remove register
            keyword on 'rtx addr' argument.

diff --git a/gcc/config/gcn/gcn-protos.h b/gcc/config/gcn/gcn-protos.h
index 61791c90445..38197b929fd 100644
--- a/gcc/config/gcn/gcn-protos.h
+++ b/gcc/config/gcn/gcn-protos.h
@@ -75,7 +75,7 @@ extern bool gcn_valid_move_p (machine_mode, rtx, rtx);
 extern rtx gcn_vec_constant (machine_mode, int);
 extern rtx gcn_vec_constant (machine_mode, rtx);
 extern bool gcn_vgpr_move_p (rtx, rtx);
-extern void print_operand_address (FILE *file, register rtx addr);
+extern void print_operand_address (FILE *file, rtx addr);
 extern void print_operand (FILE *file, rtx x, int code);
 extern bool regno_ok_for_index_p (int);