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author | steven <steven@138bc75d-0d04-0410-961f-82ee72b054a4> | 2012-10-13 13:21:34 +0000 |
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committer | steven <steven@138bc75d-0d04-0410-961f-82ee72b054a4> | 2012-10-13 13:21:34 +0000 |
commit | f41ac7bdef132490735ff67758fccbc7c1e901b3 (patch) | |
tree | 645ddc683c9b0c8877caa17c71dce5e3a9122af7 /gcc/ira.c | |
parent | 6f343c10d94fdb66155fe929c4d63cee7617e03d (diff) | |
download | gcc-f41ac7bdef132490735ff67758fccbc7c1e901b3.tar.gz |
* ira.c (ira): Set current_loops to &ira_loops before recording
loop exits. Release recorded exits and loops early.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@192423 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/ira.c')
-rw-r--r-- | gcc/ira.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/gcc/ira.c b/gcc/ira.c index 4a7dcb52043..9a93297b0d4 100644 --- a/gcc/ira.c +++ b/gcc/ira.c @@ -4233,8 +4233,8 @@ ira (FILE *f) if (flag_ira_region == IRA_REGION_ALL || flag_ira_region == IRA_REGION_MIXED) { flow_loops_find (&ira_loops); - record_loop_exits (); current_loops = &ira_loops; + record_loop_exits (); } if (internal_flag_ira_verbose > 0 && ira_dump_file != NULL) @@ -4277,9 +4277,14 @@ ira (FILE *f) info. */ df_analyze (); + /* ??? Rebuild the loop tree, but why? Does the loop tree + change if new insns were generated? Can that be handled + by updating the loop tree incrementally? */ + release_recorded_exits (); + flow_loops_free (&ira_loops); flow_loops_find (&ira_loops); - record_loop_exits (); current_loops = &ira_loops; + record_loop_exits (); setup_allocno_assignment_flags (); ira_initiate_assign (); @@ -4363,6 +4368,7 @@ do_reload (void) if (current_loops != NULL) { + release_recorded_exits (); flow_loops_free (&ira_loops); free_dominance_info (CDI_DOMINATORS); } |