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[Bug tree-optimization/52975] Ofast produces not optimized code for vectorized "converted if"


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52975

--- Comment #2 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-04-16 09:25:17 UTC ---
Author: rguenth
Date: Mon Apr 16 09:25:14 2012
New Revision: 186488

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=186488
Log:
2012-04-16  Richard Guenther  <rguenther@suse.de>

    PR tree-optimization/52975
    * tree-ssa-forwprop.c (combine_cond_exprs): New function.
    (ssa_forward_propagate_and_combine): Call it for COND_EXPRs
    and VEC_COND_EXPRs.  Also combine into VEC_COND_EXPRs condition.
    * fold-const.c (operand_equal_p): Handle TARGET_MEM_REF.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/fold-const.c
    trunk/gcc/tree-ssa-forwprop.c


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