[Bug middle-end/60092] posix_memalign not recognized to derive alias and alignment info

rguenth at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Wed Feb 12 13:36:00 GMT 2014


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60092

--- Comment #20 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Wed Feb 12 13:36:08 2014
New Revision: 207720

URL: http://gcc.gnu.org/viewcvs?rev=207720&root=gcc&view=rev
Log:
2014-02-12  Richard Biener  <rguenther@suse.de>

    PR middle-end/60092
    * gimple-low.c (lower_builtin_posix_memalign): Lower conditional
    of posix_memalign being successful.
    (lower_stmt): Restrict lowering of posix_memalign to when
    -ftree-bit-ccp is enabled.

    * gcc.dg/torture/pr60092.c: New testcase.
    * gcc.dg/tree-ssa/alias-31.c: Disable SRA.

Added:
    trunk/gcc/testsuite/gcc.dg/torture/pr60092.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/gimple-low.c
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/gcc.dg/tree-ssa/alias-31.c



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