[Bug middle-end/60729] [4.8 Regression] Compiler failure for combination of -ftrapv and -O3: compiler error: in prepare_cmp_insn

["rguenth at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60729

--- Comment #6 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Wed Apr 23 12:49:04 2014
New Revision: 209697

URL: http://gcc.gnu.org/viewcvs?rev=209697&root=gcc&view=rev
Log:
2014-04-23  Richard Biener  <rguenther@suse.de>

    Backport from mainline
    2014-04-02  Richard Biener  <rguenther@suse.de>

    PR middle-end/60729
    * optabs.c (expand_abs_nojump): Honor flag_trapv only for
    MODE_INTs.  Properly use negv_optab.
    (expand_abs): Likewise.

    * g++.dg/vect/pr60729.cc: New testcase.

    2014-04-03  Richard Biener  <rguenther@suse.de>

    PR tree-optimization/60740
    * graphite-scop-detection.c (stmt_simple_for_scop_p): Iterate
    over all GIMPLE_COND operands.

    * gcc.dg/graphite/pr60740.c: New testcase.

Added:
    branches/gcc-4_8-branch/gcc/testsuite/g++.dg/vect/pr60729.cc
    branches/gcc-4_8-branch/gcc/testsuite/gcc.dg/graphite/pr60740.c
Modified:
    branches/gcc-4_8-branch/gcc/ChangeLog
    branches/gcc-4_8-branch/gcc/graphite-scop-detection.c
    branches/gcc-4_8-branch/gcc/optabs.c
    branches/gcc-4_8-branch/gcc/testsuite/ChangeLog