Dispatch scheduling for AMD Bulldozer processors.

2010-09-09  Reza Yazdani  <reza.yazdani@amd.com>

	* config/i386/i386.c: Include sched-int.h.
	(TARGET_SCHED_DISPATCH): Defined.
	(TARGET_SCHED_DISPATCH_DO): Defined.
	(DISPATCH_WINDOW_SIZE): Defined.
	(MAX_DISPATCH_WINDOWS): Defined.
	(MAX_INSN): Defined.
	(MAX_IMM): Defined.
	(MAX_IMM_SIZE): Defined.
	(MAX_IMM_32): Defined.
	(MAX_IMM_64): Defined.
	(MAX_LOAD): Defined.
	(MAX_STORE): Defined.
	(BIG): Defined.
	(dispatch_group): New.
	(num_allowable_groups): New.
	(group_name): New.
	(sched_insn_info_s): New.
	(dispatch_windows_s): New.
	(imm_info_s): New.
	(dispatch_window_list): New.
	(dispatch_window_list1): New.
	(get_mem_group): New.
	(is_cmp): New.
	(dispatch_violation): New.
	(is_branch): New.
	(is_prefetch): New.
	(init_window): New.
	(allocate_window): New.
	(init_dispatch_sched): New.
	(is_end_basic_block): New.
	(process_end_window): New.
	(allocate_next_window): New.
	(find_constant_1): New.
	(find_constant): New.
	(get_num_immediates): New.
	(has_immediate): New.
	(get_insn_path): New.
	(get_insn_group): New.
	(count_num_restricted): New.
	(fits_dispatch_window): New.
	(add_insn_window): New.
	(add_to_dispatch_window): New.
	(debug_dispatch_window_file): New.
	(debug_dispatch_window): New.
	(debug_insn_dispatch_info_file): New.
	(debug_ready_dispatch): New.
	(do_dispatch): New.
	(has_dispatch): New.
	* config/i386/i386.h (debug_ready_dispatch): Declared.
	(debug_dispatch_window): Declared.
	* config/i386/i386.opt (mdispatch-scheduler): New flag.
	* doc/tm.texi.in (TARGET_SCHED_DISPATCH): New.
	(TARGET_SCHED_DISPATCH_DO): New.
	* doc/tm.texi: Regererated.
	* haifa-sched.c (choose_ready): Call targetm.sched.dispatch and
	ready_remove_first_dispatch
	(schedule_block): Call targetm.sched.dispatch and
	targetm.sched.dispatch_do.
	(sched_init): Call targetm.sched.dispatch and
	targetm.sched.dispatch_do.
	(ready_remove_first_dispatch): New.
	(number_in_ready): New.
	(get_ready_element): New.
	* hooks.c (hook_bool_rtx_int_false): New.
	(hook_void_rtx_int): New.
	* hooks.h (hook_bool_rtx_int_false): Declared.
	(hook_void_rtx_int): Declared.
	* sched-int.h (IS_DISPATCH_ON): Defined.
	(IS_CMP): Defined.
	(DISPATCH_VIOLATION): Defined.
	(FITS_DISPATCH_WINDOW): Defined.
	(DISPATCH_INIT): Defined.
	(ADD_TO_DISPATCH_WINDOW): Defined.
	(get_ready_element): Declared.
	(number_in_ready): Declared.
	* target.def (dispatch): Defined.
	(dispatch_do): Defined.

From-SVN: r164133

1 files changed, 15 insertions, 0 deletions

diff --git a/gcc/hooks.c b/gcc/hooks.c
index 52a4048..4d5be73 100644
--- a/gcc/hooks.c
+++ b/gcc/hooks.c
@@ -340,3 +340,18 @@ hook_tree_const_tree_null (const_tree t ATTRIBUTE_UNUSED)
 {
   return NULL;
 }
+
+/* Generic hook that takes a rtx and an int and returns a bool.  */
+
+bool
+hook_bool_rtx_int_false (rtx insn ATTRIBUTE_UNUSED, int mode ATTRIBUTE_UNUSED)
+{
+  return false;
+}
+
+/* Generic hook that takes a rtx and an int and returns void.  */
+
+void
+hook_void_rtx_int (rtx insn ATTRIBUTE_UNUSED, int mode ATTRIBUTE_UNUSED)
+{
+}