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| author | vmakarov <vmakarov@138bc75d-0d04-0410-961f-82ee72b054a4> | 2008-11-19 21:20:44 +0000 |
|---|---|---|
| committer | vmakarov <vmakarov@138bc75d-0d04-0410-961f-82ee72b054a4> | 2008-11-19 21:20:44 +0000 |
| commit | 69f8e08094a3f6e518c08f323bc2687ffe696c9e (patch) | |
| tree | 5b79c7c3d997c7b687af33f6229b6111cc84177b /gcc/global.c | |
| parent | d046014d4feb3098f10fd9f83d0288772628c3aa (diff) | |
| download | gcc-69f8e08094a3f6e518c08f323bc2687ffe696c9e.tar.gz | |
2008-11-15 Vladimir Makarov <vmakarov@redhat.com>
PR bootstrap/37790
* ira-int.h (ira_copy_allocno_live_range_list,
ira_merge_allocno_live_ranges,
ira_allocno_live_ranges_intersect_p,
ira_finish_allocno_live_range_list): New prototypes.
(ira_allocno_live_ranges_intersect_p,
ira_pseudo_live_ranges_intersect_p): Remove.
* ira-conflicts.c (ira_allocno_live_ranges_intersect_p,
ira_pseudo_live_ranges_intersect_p): Rename to
allocnos_have_intersected_live_ranges_p and
pseudos_have_intersected_live_ranges_p. Move them from here to
...
* ira-color.c: ... here
(coalesced_allocno_conflict_p): Use
allocnos_have_intersected_live_ranges_p.
(coalesced_allocnos_living_at_program_points,
coalesced_allocnos_live_at_points_p,
set_coalesced_allocnos_live_points): Remove.
(slot_coalesced_allocnos_live_ranges,
slot_coalesced_allocno_live_ranges_intersect_p,
setup_slot_coalesced_allocno_live_ranges): New.
(coalesce_spill_slots): Use ranges of coalesced allocnos.
(ira_sort_regnos_for_alter_reg): Use
allocnos_have_intersected_live_ranges_p.
(ira_reuse_stack_slot): Use
pseudos_have_intersected_live_ranges_p.
* global.c (pseudo_for_reload_consideration_p): Check
flag_ira_share_spill_slots too.
* ira-build.c (copy_allocno_live_range_list): Rename to
ira_copy_allocno_live_range_list. Make it external.
(merge_ranges): Rename to ira_merge_allocno_live_ranges. Make it
external.
(ira_allocno_live_ranges_intersect_p): New.
(ira_finish_allocno_live_range_list): New.
(finish_allocno): Use it.
(remove_unnecessary_allocnos): Use ira_merge_allocno_live_ranges.
(copy_info_to_removed_store_destinations): Ditto. Use
ira_copy_allocno_live_range_list.
(ira_flattening): Use ira_merge_allocno_live_ranges.
* ira.c (too_high_register_pressure_p): New function.
(ira): Switch off sharing spill slots if the pressure is too high.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@142017 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/global.c')
| -rw-r--r-- | gcc/global.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/gcc/global.c b/gcc/global.c index edc2a42c590..824fcf0f702 100644 --- a/gcc/global.c +++ b/gcc/global.c @@ -1393,7 +1393,8 @@ pseudo_for_reload_consideration_p (int regno) { /* Consider spilled pseudos too for IRA because they still have a chance to get hard-registers in the reload when IRA is used. */ - return reg_renumber[regno] >= 0 || (flag_ira && optimize); + return (reg_renumber[regno] >= 0 + || (flag_ira && optimize && flag_ira_share_spill_slots)); } /* Walk the insns of the current function and build reload_insn_chain, |