2009-04-06 Joey Ye <joey.ye@intel.com>
Xuepeng Guo <xuepeng.guo@intel.com>
H.J. Lu <hongjiu.lu@intel.com>
Atom pipeline model, tuning and insn selection.
* config.gcc (atom): Add atom config options and target.
* config/i386/atom.md: New.
* config/i386/i386.c (atom_cost): New cost.
(m_ATOM): New macro flag.
(initial_ix86_tune_features): Set m_ATOM.
(x86_accumulate_outgoing_args): Likewise.
(x86_arch_always_fancy_math_387): Likewise.
(processor_target): Add Atom cost.
(cpu_names): Add Atom cpu name.
(override_options): Set Atom ISA.
(ix86_issue_rate): New case PROCESSOR_ATOM.
(ix86_adjust_cost): Likewise.
* config/i386/i386.h (TARGET_ATOM): New target macro.
(ix86_tune_indices): Add X86_TUNE_OPT_AGU.
(TARGET_OPT_AGU): New target option.
(target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
(processor_type): Add PROCESSOR_ATOM.
* config/i386/i386.md (cpu): Add new value "atom".
(use_carry, movu): New attr.
(atom.md): Include atom.md.
(adddi3_carry_rex64): Set attr "use_carry".
(addqi3_carry): Likewise.
(addhi3_carry): Likewise.
(addsi3_carry): Likewise.
(*addsi3_carry_zext): Likewise.
(subdi3_carry_rex64): Likewise.
(subqi3_carry): Likewise.
(subhi3_carry): Likewise.
(subsi3_carry): Likewise.
(x86_movdicc_0_m1_rex64): Likewise.
(*x86_movdicc_0_m1_se): Likewise.
(x86_movsicc_0_m1): Likewise.
(*x86_movsicc_0_m1_se): Likewise.
(*adddi_1_rex64): Emit add insn as much as possible.
(*addsi_1): Likewise.
(return_internal): Set atom_unit.
(return_internal_long): Likewise.
(return_pop_internal): Likewise.
(*rcpsf2_sse): Set atom_sse_attr attr.
(*qrt<mode>2_sse): Likewise.
(*prefetch_sse): Likewise.
* config/i386/i386-c.c (ix86_target_macros_internal): New case
PROCESSOR_ATOM.
(ix86_target_macros_internal): Likewise.