ssa-ccp.c (ssa_ccp_df_delete_unreachable_insns): For unreachable blocks, the…

ssa-ccp.c (ssa_ccp_df_delete_unreachable_insns): For unreachable blocks, the BB_REACHABLE is now set, rather than aux being non-NULL.

2001-08-28  Daniel Berlin  <dan@cgsoftware.com>

	* ssa-ccp.c (ssa_ccp_df_delete_unreachable_insns): For unreachable
	blocks, the BB_REACHABLE is now set, rather than aux being
	non-NULL. Update the test to reflect this.

From-SVN: r45245

gcc/ChangeLog

+2001-08-28  Daniel Berlin  <dan@cgsoftware.com>
+
+	* ssa-ccp.c (ssa_ccp_df_delete_unreachable_insns): For unreachable
+	blocks, the BB_REACHABLE is now set, rather than aux being
+	non-NULL. Update the test to reflect this.
+	
 2001-08-28  Eric Christopher  <echristo@redhat.com>
 
 	* config/mips/crtn.asm: Add comment explaining 16 byte alignment.

gcc/ssa-ccp.c

@@ -936,10 +936,7 @@ ssa_ccp_df_delete_unreachable_insns ()
     {
       basic_block b = BASIC_BLOCK (i);
 
-      if (b->aux != NULL)
-	/* This block was found.  Tidy up the mark.  */
-	b->aux = NULL;
-      else
+      if (!(b->flags & BB_REACHABLE))
 	{
 	  rtx start = b->head;
 	  rtx end = b->end;