r235442 - in /trunk/gcc: ChangeLog doc/invoke.t...

[bernds@gcc.gnu.org]

Author: bernds
Date: Tue Apr 26 12:43:42 2016
New Revision: 235442

URL: https://gcc.gnu.org/viewcvs?rev=235442&root=gcc&view=rev
Log:
Enable -frename-registers at -O2.

	PR rtl-optimization/57193
	* opts.c (default_options_table): Add OPT_frename_registers at -O2
	and above.
	* doc/invoke.texi (-frename-registers, -O2): Update documentation.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/doc/invoke.texi
    trunk/gcc/opts.c