aboutsummaryrefslogtreecommitdiff
path: root/gcc/dce.c
AgeCommit message (Collapse)AuthorFilesLines
2000-11-14Michael Matz <matzmich@cs.tu-berlin.de>Michael Matz1-5/+1
* dominance.c: New file. * Makefile.in (OBJS): Add dominance.o. * flow.c (compute_flow_dominators): Remove. (compute_immediate_dominators): Remove. (compute_immediate_postdominators): Remove. * basic-block.h: Remove their prototypes. (calculate_dominance_info): Add prototype. * dce.c (eliminate_dead_code): Change calls to above functions. Don't compute dominators but only immediate dominators. * flow.c (flow_loops_find): Change callers. * gcse.c (compute_code_hoist_data): Likewise. * haifa-sched.c (schedule_insns): Likewise. * ifcvt.c (if_convert): Likewise. * ssa.c (convert_to_ssa): Likewise, and only compute immediate dominators. From-SVN: r37449
2000-08-03dce.c: Remove all uses of assert.Mark Mitchell1-15/+16
* dce.c: Remove all uses of assert. * dwarf2out.c: Likewise. * dwarfout.c: Likewise. * ssa.c: Likewise. From-SVN: r35438
2000-08-02Makefile.in (OBJS): Added dce.o.Jeffrey Oldham1-0/+620
* Makefile.in (OBJS): Added dce.o. (ssa.o): Updated target to include ssa.h. (flow.o): Likewise. (toplev.o): Likewise. (dce.o): Created target. * basic-block.h: Added comments. (INVALID_BLOCK): Added definition. (connect_infinite_loops_to_exit): Added declaration. Moved SSA declarations to ssa.h. * flow.c: Added inclusion of ssa.h. (struct depth_first_search_dsS, depth_first_search_ds): Added definitions. (compute_immediate_postdominators): Added definition. (connect_infinite_loops_to_exit): Likewise. (flow_dfs_compute_reverse_init): Likewise. (flow_dfs_compute_reverse_add_bb): Likewise. (flow_dfs_compute_reverse_execute): Likewise. (flow_dfs_compute_reverse_finish): Likewise. * rtl.h (rtx/in_struct): Added use to determine insn necessity. (LABEL_P): Added definition. (JUMP_P): Likewise. (NOTE_P): Likewise. (BARRIER_P): Likewise. (JUMP_TABLE_DATA_P): Likewise. (INSN_DEAD_CODE_P): Likewise. * ssa.c: Replaced inclusions with ssa.h inclusion. (CONVERT_HARD_REGISTER_TO_SSA_P): Moved to ssa.h. (rename_registers): Removed unnecessary variables. * ssa.h: Created by moving declarations from ssa.c and basic-block.h. * timevar.def: Defined TV_DEAD_CODE_ELIM. * toplev.c: Added ssa.h inclusion. (dump_file_index): Added DFI_dce. (dump_file): Added "dce" entry. Defined flag_ssa. (f_options): Added dce entry. * invoke.texi: Document -fdce. Emphasize experimental status of -fssa. Co-Authored-By: Mark Mitchell <mark@codesourcery.com> From-SVN: r35419