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Diffstat (limited to 'gcc/target.h')
| -rw-r--r-- | gcc/target.h | 41 |
1 files changed, 0 insertions, 41 deletions
diff --git a/gcc/target.h b/gcc/target.h index afbdad0..8d73f49 100644 --- a/gcc/target.h +++ b/gcc/target.h @@ -113,47 +113,6 @@ struct gcc_target insn in the new chain we're building. Returns a new LAST. The default is to do nothing. */ rtx (* cycle_display) PARAMS ((int clock, rtx last)); - /* The following member value is a pointer to a function returning - nonzero if we should use DFA based scheduling. The default is - to use the old pipeline scheduler. */ - int (* use_dfa_pipeline_interface) PARAMS ((void)); - /* The values of all the following members are used only for the - DFA based scheduler: */ - /* The values of the following four members are pointers to - functions used to simplify the automaton descriptions. - dfa_pre_cycle_insn and dfa_post_cycle_insn give functions - returning insns which are used to change the pipeline hazard - recognizer state when the new simulated processor cycle - correspondingly starts and finishes. The function defined by - init_dfa_pre_cycle_insn and init_dfa_post_cycle_insn are used - to initialize the corresponding insns. The default values of - the memebers result in not changing the automaton state when - the new simulated processor cycle correspondingly starts and - finishes. */ - void (* init_dfa_pre_cycle_insn) PARAMS ((void)); - rtx (* dfa_pre_cycle_insn) PARAMS ((void)); - void (* init_dfa_post_cycle_insn) PARAMS ((void)); - rtx (* dfa_post_cycle_insn) PARAMS ((void)); - /* The following member value is a pointer to a function returning value - which defines how many insns in queue `ready' will we try for - multi-pass scheduling. if the member value is nonzero and the - function returns positive value, the DFA based scheduler will make - multi-pass scheduling for the first cycle. In other words, we will - try to choose ready insn which permits to start maximum number of - insns on the same cycle. */ - int (* first_cycle_multipass_dfa_lookahead) PARAMS ((void)); - /* The values of the following members are pointers to functions - used to improve the first cycle multipass scheduling by - inserting nop insns. dfa_scheduler_bubble gives a function - returning a nop insn with given index. The indexes start with - zero. The function should return NULL if there are no more nop - insns with indexes greater than given index. To initialize the - nop insn the function given by member - init_dfa_scheduler_bubbles is used. The default values of the - members result in not inserting nop insns during the multipass - scheduling. */ - void (* init_dfa_bubbles) PARAMS ((void)); - rtx (* dfa_bubble) PARAMS ((int)); } sched; /* Given two decls, merge their attributes and return the result. */ |