[Bug middle-end/54146] Very slow compile with attribute((flatten))

[steven at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54146



--- Comment #62 from Steven Bosscher <steven at gcc dot gnu.org> 2012-10-15 
21:32:04 UTC ---

Author: steven

Date: Mon Oct 15 21:31:57 2012

New Revision: 192476



URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=192476

Log:

    Backport from trunk (r190222):



    PR tree-optimization/54146

    * ifcvt.c: Include pointer-set.h.

    (cond_move_process_if_block): Change type of then_regs and

    else_regs from alloca'd array to pointer_sets.

    (check_cond_move_block): Update for this change.

    (cond_move_convert_if_block): Likewise.

    * Makefile.in: Fix dependencies for ifcvt.o.





Modified:

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

    branches/gcc-4_7-branch/gcc/Makefile.in

    branches/gcc-4_7-branch/gcc/ifcvt.c