On Tue, May 28, 2013 at 11:12 AM, Zamyatin, Igor <igor.zamya...@intel.com> wrote:
> Several weeks ago Intel announced new microarchitecture named Silvermont (see > for example > http://newsroom.intel.com/community/intel_newsroom/blog/2013/05/06/intel-launches-low-power-high-performance-silvermont-microarchitecture > ). > > This patch is the first and it enables Silvermont architecture in the GCC > compiler (second patch will add some performance related features). > > Bootstrapped and tested on x86_64-unknown-linux-gnu, ok for trunk? > > Thanks, > Igor > > 2013-05-27 Yuri Rumyantsev <yuri.s.rumyant...@intel.com> > Igor Zamyatin <igor.zamya...@intel.com> > > Silvermont (SLM) architecture pipeline model, tuning and > insn selection. > * config.gcc: Add slm config options and target. > > * config/i386/slm.md: New. > > * config/i386/driver-i386.c (host_detect_local_cpu): Check movbe. > > * gcc/config/i386/i386-c.c (ix86_target_macros_internal): New case > PROCESSOR_SLM. > (ix86_target_macros_internal): Likewise. > > * gcc/config/i386/i386.c (slm_cost): New cost. > (m_SLM): New macro flag. > (initial_ix86_tune_features): Set m_SLM. > (x86_accumulate_outgoing_args): Likewise. > (x86_arch_always_fancy_math_387): Likewise. > (processor_target_table): Add slm cost. > (cpu_names): Add slm cpu name. > (x86_option_override_internal): Set SLM ISA. > (ix86_issue_rate): New case PROCESSOR_SLM. > (ia32_multipass_dfa_lookahead): Likewise. > (fold_builtin_cpu): Add slm. > > * config/i386/i386.h (TARGET_SLM): New target macro. > (target_cpu_default): Add TARGET_CPU_DEFAULT_slm. > (processor_type): Add PROCESSOR_SLM. > > * config/i386/i386.md (cpu): Add new value "slm". > (slm.md): Include slm.md. > > * libgcc/config/i386/cpuinfo.c (INTEL_SLM): New enum value. > This is OK for mainline. Thanks, Uros.
