diff options
Diffstat (limited to 'gcc/ChangeLog')
| -rw-r--r-- | gcc/ChangeLog | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index b5d15ce51b6..7f58b923164 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,43 @@ +2010-11-02 Maxim Kuvyrkov <maxim@codesourcery.com> + + Model decoder of Core 2/i7 for multipass scheduling. + + * config/i386/i386-protos.h (struct ix86_first_cycle_multipass_data_): + New type to hold target-specific data for multipass scheduling. + (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DATA_T): Define. + * config/i386/i386.c (ia32_multipass_dfa_lookahead): Update for + Core 2/i7. + (core2i7_secondary_decoder_max_insn_size,) + (core2i7_secondary_ifetch_block_size, core2i7_ifetch_block_max_insns): + New static variables. + ([const_]ix86_first_cycle_multipass_data_t): New typedefs. + ([_]ix86_first_cycle_multipass_data): New static variable. + (core2i7_first_cycle_multipass_init, core2i7_dfa_poast_advance_cycle): + Implement targetm.sched hooks. + (core2i7_first_cycle_multipass_filter_ready_try): New static subroutine + of ... + (core2i7_first_cycle_multipass_{begin, issue, backtrack, end, fini}): + Implement new targetm.sched hooks. + (ix86_sched_init_global, TARGET_SCHED_INIT_GLOBAL): Define + targetm.sched hook to install multipass scheduling hooks on demand. + + * doc/tm.texi.in: Document new targetm.sched hooks. + * doc/tm.texi: Regenerate. + + * haifa-sched.c (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DATA_T): Define. + (first_cycle_multipass_data_t): New typedef. + (struct choice_entry: target_data): New field. + (max_issue): Add first_cycle_insn_p parameter. Call new target hooks + to allow target model restrictions not represented in DFA. + (choose_ready, schedule_block): Update. + (sched_extend_ready_list, sched_finish_ready_list): Call new target + hooks to initialize target-specific data for multipass scheduling. + * sched-int.h (max_issue): Update declaration. + * sel-sched.c (choose_best_insn): Update. + * target.def (first_cycle_multipass_{begin, issue, backtrack},) + (first_cycle_multipass_{init, fini}): Define and document new + targetm.sched hooks. + 2010-11-02 Richard Guenther <rguenther@suse.de> PR tree-optimization/46184 |