On Thu, Dec 5, 2013 at 7:22 PM, H.J. Lu <hongjiu...@intel.com> wrote:
> We'd like to add a new -mtune=ia option for x86 to optimize for both > Haswell and Silvermont. Currently, -mtune=ia is aliased to -mtune=slm. > We will improve it further for Haswell and Silvermont. Later, we will > update it to future Intel processors. OK for trunk? > > 2013-12-05 H.J. Lu <hongjiu...@intel.com> > > * config.gcc: Support --with-cpu=ia. > > * config/i386/i386.c (cpu_names): Add "ia". > (processor_alias_table): Likewise. > (ix86_option_override_internal): Disallow -march=ia. > * config/i386/i386.h (target_cpu_default): Add > TARGET_CPU_DEFAULT_ia. > > * doc/invoke.texi: Document -mtune=ia. OK for mainline. This option should also be mentioned in gcc-4.9 changes.html. Thanks, Uros.