df.c (read_modify_subreg_p): Change from static to global.

        * df.c (read_modify_subreg_p): Change from static to global.
        * df.h (read_modify_subreg_p): Add prototype.
        * sched-deps.c (sched_analyze_1): Generate true dependency for
        strict_low_part, certain subregs and zero/sign_extract.

From-SVN: r64164

1 files changed, 1 insertions, 0 deletions

diff --git a/gcc/df.h b/gcc/df.h
index a294843..2191ab5 100644
--- a/gcc/df.h
+++ b/gcc/df.h
@@ -353,3 +353,4 @@ extern void iterative_dataflow_bitmap PARAMS ((bitmap *, bitmap *, bitmap *,
 					       enum df_confluence_op, 
 					       transfer_function_bitmap, 
 					       int *, void *));
+extern bool read_modify_subreg_p PARAMS ((rtx));