[Bug rtl-optimization/70710] [5/6 Regression] Compile time hog w/ -O -g -fpeel-loops

["aldyh at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70710

Aldy Hernandez <aldyh at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |aldyh at gcc dot gnu.org
            Summary|[5/6/7 Regression] Compile  |[5/6 Regression] Compile
                   |time hog w/ -O -g           |time hog w/ -O -g
                   |-fpeel-loops                |-fpeel-loops

--- Comment #3 from Aldy Hernandez <aldyh at gcc dot gnu.org> ---
Fixed on trunk by r243662.  Removing GCC7 regression marker.

commit c94328179741e7bdcaf59e888db809681859c6c6
Author: jakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4>
Date:   Wed Dec 14 19:40:05 2016 +0000

            PR debug/77844
            * valtrack.c: Include rtl-iter.h.
            (struct rtx_subst_pair): Add insn field.
            (propagate_for_debug_subst): If pair->to contains at least 2
            regs, create a DEBUG_INSN with a debug temp before pair->insn
            and replace from with the debug temp instead of pair->to.
            (propagate_for_debug): Initialize p.insn.
            * combine.c (insn_uid_check): New inline function.
            (INSN_COST, LOG_LINKS): Use it instead of INSN_UID.
            (find_single_use, combine_instructions,
            cant_combine_insn_p, try_combine): Use NONDEBUG_INSN_P instead of
            INSN_P.

            * g++.dg/opt/pr77844.C: New test.


    git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@243662
138bc75d-0d04-0410-961f-82ee72b054a4