[Bug target/53975] [ia64] Target register of a speculative load moved to a branch register prior to the chk.s instruction

[abel at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53975

--- Comment #18 from Andrey Belevantsev <abel at gcc dot gnu.org> 2012-07-31 
10:56:59 UTC ---
Author: abel
Date: Tue Jul 31 10:56:52 2012
New Revision: 190005

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=190005
Log:
        PR target/53975

        * sel-sched-ir.c (has_dependence_note_reg_use): Clarify comment.

        Revert
        2011-08-04  Sergey Grechanik  <mouseent...@ispras.ru>

        * sel-sched-ir.c (has_dependence_note_reg_use): Call ds_full_merge
        only if producer writes to the register given by regno.


Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/sel-sched-ir.c