builtins.c (expand_builtin_setjmp_receiver): Use and clobber hard_frame_pointer_rtx.

gcc/
	* builtins.c (expand_builtin_setjmp_receiver): Use and clobber
	hard_frame_pointer_rtx.
	* cse.c (cse_insn): Remove volatile check.
	* cselib.c (cselib_process_insn): Likewise.
	* dse.c (scan_insn): Likewise.

From-SVN: r208498

1 files changed, 0 insertions, 10 deletions

diff --git a/gcc/dse.c b/gcc/dse.c
index f5c9c73..09dc5df 100644
--- a/gcc/dse.c
+++ b/gcc/dse.c
@@ -2470,16 +2470,6 @@ scan_insn (bb_info_t bb_info, rtx insn)
       return;
     }
 
-  /* Cselib clears the table for this case, so we have to essentially
-     do the same.  */
-  if (NONJUMP_INSN_P (insn)
-      && volatile_insn_p (PATTERN (insn)))
-    {
-      add_wild_read (bb_info);
-      insn_info->cannot_delete = true;
-      return;
-    }
-
   /* Look at all of the uses in the insn.  */
   note_uses (&PATTERN (insn), check_mem_read_use, bb_info);