AMD bdver2 Enablement

AMD bdver2 Enablement

2011-07-12  Harsha Jagasia  <harsha.jagasia@amd.com>

	AMD bdver2 Enablement
	* config.gcc (i[34567]86-*-linux* | ...): Add bdver2.
	(case ${target}): Add bdver2.
	* config/i386/driver-i386.c (host_detect_local_cpu): Let
	-march=native recognize bdver2 processors.
	* config/i386/i386-c.c (ix86_target_macros_internal): Add
	bdver2 def_and_undef
	* config/i386/i386.c (struct processor_costs bdver2_cost): New
	bdver2 cost table.
	(m_BDVER2): New definition.
	(m_AMD_MULTIPLE): Includes m_BDVER2.
	(initial_ix86_tune_features): Add bdver2 tuning.
	(processor_target_table): Add bdver2 entry.
	(static const char *const cpu_names): Add bdver2 entry.
	(ix86_option_override_internal): Add bdver2 instruction sets.
	(ix86_issue_rate): Add bdver2.
	(ix86_adjust_cost): Add bdver2.
	(has_dispatch): Add bdver2.
	* config/i386/i386.h (TARGET_BDVER2): New definition.
	(enum target_cpu_default): Add TARGET_CPU_DEFAULT_bdver2.
	(enum processor_type): Add PROCESSOR_BDVER2.
	* config/i386/i386.md (define_attr "cpu"): Add bdver2.
	* config/i386/i386.opt ( mdispatch-scheduler): Add bdver2 to
	description.

From-SVN: r176209