[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 #20 from Andrey Belevantsev <abel at gcc dot gnu.org> 2012-10-16 
13:20:37 UTC ---

Author: abel

Date: Tue Oct 16 13:20:30 2012

New Revision: 192497



URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=192497

Log:

        Backport from mainline

        2012-07-31  Andrey Belevantsev  <a...@ispras.ru>

        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:

    branches/gcc-4_7-branch/gcc/ChangeLog

    branches/gcc-4_7-branch/gcc/sel-sched-ir.c