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| author | Bernd Schmidt <bernds@redhat.com> | 2016-01-19 13:02:17 +0000 |
|---|---|---|
| committer | Bernd Schmidt <bernds@gcc.gnu.org> | 2016-01-19 13:02:17 +0000 |
| commit | d20c47fc8613b26cd7d2c28996474bf910d865c5 (patch) | |
| tree | bc66ac8bb00e285b27407568dcf8fa8a4e0d4f46 | |
| parent | e47294194f2f60fb7934c8203c4b5d59552919fb (diff) | |
| download | gcc-d20c47fc8613b26cd7d2c28996474bf910d865c5.zip gcc-d20c47fc8613b26cd7d2c28996474bf910d865c5.tar.gz gcc-d20c47fc8613b26cd7d2c28996474bf910d865c5.tar.bz2 | |
* ira.c (ira): Update regstat data if we deleted insns.
From-SVN: r232556
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/ira.c | 14 |
2 files changed, 16 insertions, 4 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 372b25d..6cf6bbc 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,7 @@ +2016-01-19 Bernd Schmidt <bschmidt@redhat.com> + + * ira.c (ira): Update regstat data if we deleted insns. + 2016-01-19 Jakub Jelinek <jakub@redhat.com> PR rtl-optimization/68955 @@ -13,7 +17,7 @@ assume that the node has body. * cgraph.c (cgraph_node::get_untransformed_body): Use gimple_body_p check. - + 2016-01-19 Jan Hubicka <hubicka@ucw.cz> * lto-streamer-out.c (lto_output): Do not stream instrumentation @@ -5185,19 +5185,27 @@ ira (FILE *f) setup_reg_equiv (); setup_reg_equiv_init (); + bool update_regstat = false; + if (optimize && rebuild_p) { timevar_push (TV_JUMP); rebuild_jump_labels (get_insns ()); if (purge_all_dead_edges ()) - delete_unreachable_blocks (); + { + delete_unreachable_blocks (); + update_regstat = true; + } timevar_pop (TV_JUMP); } allocated_reg_info_size = max_reg_num (); if (delete_trivially_dead_insns (get_insns (), max_reg_num ())) - df_analyze (); + { + df_analyze (); + update_regstat = true; + } /* It is not worth to do such improvement when we use a simple allocation because of -O0 usage or because the function is too @@ -5308,7 +5316,7 @@ ira (FILE *f) check_allocation (); #endif - if (max_regno != max_regno_before_ira) + if (update_regstat || max_regno != max_regno_before_ira) { regstat_free_n_sets_and_refs (); regstat_free_ri (); |