PR tree-optimization/64058
commitd68ee525b94909513ec78399dae6daaa84b7144c
authorlaw <law@138bc75d-0d04-0410-961f-82ee72b054a4>
Fri, 11 Mar 2016 21:07:31 +0000 (11 21:07 +0000)
committerlaw <law@138bc75d-0d04-0410-961f-82ee72b054a4>
Fri, 11 Mar 2016 21:07:31 +0000 (11 21:07 +0000)
tree7d12dc602ab2bed2136b0f19bde0c604b603a58c
parentcfa58bc8a8fa369fe0650c4a1848100f7994ad89
PR tree-optimization/64058
* tree-ssa-coalesce.c (struct coalesce_pair): Add new field INDEX.
(num_coalesce_pairs): Move up earlier in file.
(find_coalesce_pair): Initialize the INDEX field for each pair
discovered.
(compare_pairs): No longer sort on the elements in each pair.
Instead break ties with the index of the coalesce pair.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@234149 138bc75d-0d04-0410-961f-82ee72b054a4
gcc/ChangeLog
gcc/tree-ssa-coalesce.c