[Bug rtl-optimization/57193] [4.9/5/6/7 Regression] suboptimal register allocation for SSE registers

[bernds at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=57193

--- Comment #11 from Bernd Schmidt <bernds at gcc dot 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