[Bug middle-end/59990] [4.7/4.8/4.9 regression] incorrect memcpy optimization

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59990

--- Comment #13 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Fri Jan 31 11:54:26 2014
New Revision: 207338

URL: http://gcc.gnu.org/viewcvs?rev=207338&root=gcc&view=rev
Log:
2014-01-31  Richard Biener  <rguenther@suse.de>

    PR middle-end/59990
    * builtins.c (fold_builtin_memory_op): Make sure to not
    use a floating-point mode or a boolean or enumeral type for
    the copy operation.

    * gcc.dg/torture/pr59990.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/torture/pr59990.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/builtins.c
    trunk/gcc/testsuite/ChangeLog