https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82597
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Keywords| |ice-on-valid-code
CC| |collison at gcc dot gnu.org
Summary|ICE at -O2 and -O3 |[8 Regression] ICE at -O2
|x86_64-linux-gnu in the |and -O3 x86_64-linux-gnu in
|32-bit mode: in |the 32-bit mode: in
|extract_constrain_insn, at |extract_constrain_insn, at
|recog.c:2207 |recog.c:2207
--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Most likely caused by:
https://gcc.gnu.org/git/?p=gcc.git;a=commit;h=1ba23db3e5d047f35d95c6a14cd404b63926e196
2017-10-14 Kyrylo Tkachov <kyrylo.tkac...@arm.com>
Michael Collison <michael.colli...@arm.com>
* compare-elim.c: Include emit-rtl.h.
(can_merge_compare_into_arith): New function.
(try_validate_parallel): Likewise.
(try_merge_compare): Likewise.
(try_eliminate_compare): Call the above when no previous clobber
is available.
(execute_compare_elim_after_reload): Add DF_UD_CHAIN and DF_DU_CHAIN
dataflow problems.
2017-10-14 Kyrylo Tkachov <kyrylo.tkac...@arm.com>
Michael Collison <michael.colli...@arm.com>
* gcc.target/aarch64/cmpelim_mult_uses_1.c: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@253764
138bc75d-0d04-0410-961f-82ee72b054a4
