https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62662
Andreas Krebbel <krebbel at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |vmakarov at gcc dot gnu.org
--- Comment #3 from Andreas Krebbel <krebbel at gcc dot gnu.org> ---
Reghunt indicates that this behavior started with r204752
commit 4bb79f36f65507171b6da263c91e6590334bd342
Author: vmakarov <vmakarov@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Wed Nov 13 18:00:43 2013 +0000
2013-11-13 Vladimir Makarov <vmaka...@redhat.com>
PR rtl-optimization/59036
* ira-color.c (struct allocno_color_data): Add new members
first_thread_allocno, next_thread_allocno, thread_freq.
(sorted_copies): New static var.
(allocnos_conflict_by_live_ranges_p, copy_freq_compare_func): Move
up.
(allocno_thread_conflict_p, merge_threads)
(form_threads_from_copies, form_threads_from_bucket)
(form_threads_from_colorable_allocno, init_allocno_threads): New
functions.
(bucket_allocno_compare_func): Add comparison by thread frequency
and threads.
(add_allocno_to_ordered_bucket): Rename to
add_allocno_to_ordered_colorable_bucket. Remove parameter.
(push_only_colorable): Call form_threads_from_bucket.
(color_pass): Call init_allocno_threads. Use
consideration_allocno_bitmap instead of coloring_allocno_bitmap
for nuillify allocno color data.
(ira_initiate_assign, ira_finish_assign): Allocate/free
sorted_copies.
(coalesce_allocnos): Use static sorted copies.
