[Bug tree-optimization/92738] [10 regression] Large code size growth for -O2 binaries between 2019-05-19...2019-05-29

[hubicka at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92738

--- Comment #2 from Jan Hubicka <hubicka at gcc dot gnu.org> ---
https://lnt.opensuse.org/db_default/v4/SPEC/graph?plot.0=10.542.4&highlight_run=7354
shows shorter range
+2019-05-24  Jakub Jelinek  <jakub@redhat.com>
+
+       * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE__CONDTEMP_.
+       * tree.h (OMP_CLAUSE_DECL): Use OMP_CLAUSE__CONDTEMP_ instead of
+       OMP_CLAUSE__REDUCTEMP_.
+       * tree.c (omp_clause_num_ops, omp_clause_code_name): Add
+       OMP_CLAUSE__CONDTEMP_.
....
+2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
+
+       * config/rs6000/constraints.md (define_register_constraint "wo"):
+       Delete.
+       * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
+       RS6000_CONSTRAINT_wo.
+       * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
+       (rs6000_init_hard_regno_mode_ok): Adjust.
+       * config/rs6000/rs6000.md: Replace "wo" constraint by "wa" with "p9v".
+       * config/rs6000/altivec.md: Ditto.
+       * doc/md.texi (Machine Constraints): Adjust.
+
 2019-05-18  Iain Sandoe  <iain@sandoe.co.uk>

It may be easy to bisect.