[Bug target/55023] hppa: wrong code generated with tail call optimisation

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55023

--- Comment #15 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Thu Jan  8 21:29:44 2015
New Revision: 219361

URL: https://gcc.gnu.org/viewcvs?rev=219361&root=gcc&view=rev
Log:
    PR target/55023
    PR middle-end/64388
    * dse.c (struct insn_info): Mention frame_read set also
    before reload for tail calls on some targets.
    (scan_insn): Revert 2014-12-22 change.  Set frame_read
    also before reload for tail calls if
    HARD_FRAME_POINTER_IS_ARG_POINTER.  Call add_wild_read
    instead of add_non_frame_wild_read for non-const/memset
    tail calls after reload.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/dse.c