------- Comment #4 from bernds at gcc dot gnu dot org 2009-11-12 18:12 ------- Subject: Bug 38582
Author: bernds Date: Thu Nov 12 18:12:09 2009 New Revision: 154123 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=154123 Log: PR rtl-opt/38582 * regrename.c (struct du_head): New structure; some elements moved from... (struct du_chain): ... this one. (open_chains, closed_chains): Now of type struct du_head *. (do_replace): Accept du_head argument, not du_chain. All callers changed. Modified code to match new data structures. (build_def_use): Return a list of du_head structures. Modified code to match new data structures. (dump_def_use_chain): Accept du_head argument, not du_chain. All callers changed. Modified code to match new data structures. (merge_overlapping_regs): Accept du_head argument, not du_chain. All callers changed. Modified code to match new data structures. (scan_rtx_reg): Change type of this_regno and this_nregs to unsigned. Allocate a du_head structure as well as a du_chain when creating a new chain. Modified other code to match new data structures. Modified: trunk/gcc/ChangeLog trunk/gcc/regrename.c -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38582
