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riscv-gcc-1
Commit 8fe07c42 by Richard Henderson Committed by Richard Henderson
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tree-pass.h (pass_vect_dce): Declare. 

        * tree-pass.h (pass_vect_dce): Declare.
        * passes.c (init_optimization_passes): Add it.
        * tree-flow.h (tree_ssa_dce): Declare.
        * tree-ssa-dce.c (tree_ssa_dce): Export.
        * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
        (gate_tree_vectorize): ... here.
        (pass_vect_dce): New.

From-SVN: r104376
parent 0856ee98
Showing with 72 additions and 40 deletions
gcc/ChangeLog
2005-09-17 Richard Henderson <rth@redhat.com>
* tree-pass.h (pass_vect_dce): Declare.
* passes.c (init_optimization_passes): Add it.
* tree-flow.h (tree_ssa_dce): Declare.
* tree-ssa-dce.c (tree_ssa_dce): Export.
* tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
(gate_tree_vectorize): ... here.
(pass_vect_dce): New.
2005-09-17 Jan Hubicka <jh@suse.cz>
* except.c (struct eh_status): Turn region_array into vec.
......@@ -400,43 +410,43 @@
2005-09-07 Richard Henderson <rth@redhat.com>
* function.c (ARG_POINTER_CFA_OFFSET): Move ...
* defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
* function.c (ARG_POINTER_CFA_OFFSET): Move ...
* defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
(INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
* dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
rearrange for better packing.
* dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
rearrange for better packing.
(INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
(lookup_cfa_1): Remove inline marker.
(cfa_equal_p): Split out of ...
(def_cfa_1): ... here. Use INVALID_REGNUM.
(build_cfa_loc): Handle !cfa->indirect.
(frame_pointer_cfa_offset): New.
(dbx_reg_number): Assert register elimination performed; do
leaf register remapping.
(reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
(eliminate_reg_to_offset): New.
(based_loc_descr): Remove can_use_fbreg argument. Use fbreg only
for verifiably local stack frame addresses; re-base to CFA.
(mem_loc_descriptor): Remove can_use_fbreg argument.
(concat_loc_descriptor, loc_descriptor): Likewise.
(containing_function_has_frame_base): Remove.
(rtl_for_decl_location): Don't do register elimination or
leaf register remapping here.
(secname_for_decl): Split out from ..
(add_location_or_const_value_attribute): ... here.
(convert_cfa_to_loc_list): New.
(compute_frame_pointer_to_cfa_displacement): New.
(gen_subprogram_die): Use them.
* tree.h (frame_base_decl): Remove.
* var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
(prologue_stack_adjust): Remove.
(vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
(adjust_stack_reference): Re-base memories to arg_pointer_rtx.
(set_frame_base_location): Remove.
(compute_bb_dataflow, emit_notes_in_bb): Don't call it.
(dump_attrs_list, dump_dataflow_set): Use string concatenation.
(vt_add_function_parameters): Don't eliminate_regs.
(vt_initialize): Don't create frame_base_decl.
(lookup_cfa_1): Remove inline marker.
(cfa_equal_p): Split out of ...
(def_cfa_1): ... here. Use INVALID_REGNUM.
(build_cfa_loc): Handle !cfa->indirect.
(frame_pointer_cfa_offset): New.
(dbx_reg_number): Assert register elimination performed; do
leaf register remapping.
(reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
(eliminate_reg_to_offset): New.
(based_loc_descr): Remove can_use_fbreg argument. Use fbreg only
for verifiably local stack frame addresses; re-base to CFA.
(mem_loc_descriptor): Remove can_use_fbreg argument.
(concat_loc_descriptor, loc_descriptor): Likewise.
(containing_function_has_frame_base): Remove.
(rtl_for_decl_location): Don't do register elimination or
leaf register remapping here.
(secname_for_decl): Split out from ..
(add_location_or_const_value_attribute): ... here.
(convert_cfa_to_loc_list): New.
(compute_frame_pointer_to_cfa_displacement): New.
(gen_subprogram_die): Use them.
* tree.h (frame_base_decl): Remove.
* var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
(prologue_stack_adjust): Remove.
(vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
(adjust_stack_reference): Re-base memories to arg_pointer_rtx.
(set_frame_base_location): Remove.
(compute_bb_dataflow, emit_notes_in_bb): Don't call it.
(dump_attrs_list, dump_dataflow_set): Use string concatenation.
(vt_add_function_parameters): Don't eliminate_regs.
(vt_initialize): Don't create frame_base_decl.
2005-09-07 Eric Botcazou <ebotcazou@libertysurf.fr>
......
gcc/passes.c
......@@ -567,6 +567,7 @@ init_optimization_passes (void)
NEXT_PASS (pass_iv_canon);
NEXT_PASS (pass_if_conversion);
NEXT_PASS (pass_vectorize);
NEXT_PASS (pass_vect_dce);
/* NEXT_PASS (pass_may_alias) cannot be done again because the
vectorizer creates alias relations that are not supported by
pass_may_alias. */
......
gcc/tree-flow.h
......@@ -707,6 +707,9 @@ struct tree_niter_desc
the loop), then the information would be lost. */
};
/* In tree-ssa-dce.c */
void tree_ssa_dce (void);
/* In tree-vectorizer.c */
void vectorize_loops (struct loops *);
......
gcc/tree-pass.h
......@@ -234,6 +234,7 @@ extern struct tree_opt_pass pass_empty_loop;
extern struct tree_opt_pass pass_record_bounds;
extern struct tree_opt_pass pass_if_conversion;
extern struct tree_opt_pass pass_vectorize;
extern struct tree_opt_pass pass_vect_dce;
extern struct tree_opt_pass pass_complete_unroll;
extern struct tree_opt_pass pass_iv_optimize;
extern struct tree_opt_pass pass_tree_loop_done;
......
gcc/tree-ssa-dce.c
......@@ -935,7 +935,7 @@ perform_tree_ssa_dce (bool aggressive)
}
/* Pass entry points. */
static void
void
tree_ssa_dce (void)
{
perform_tree_ssa_dce (/*aggressive=*/false);
......
gcc/tree-ssa-loop.c
......@@ -188,16 +188,13 @@ struct tree_opt_pass pass_tree_unswitch =
static void
tree_vectorize (void)
{
if (!current_loops)
return;
vectorize_loops (current_loops);
}
static bool
gate_tree_vectorize (void)
{
return flag_tree_vectorize != 0;
return flag_tree_vectorize && current_loops;
}
struct tree_opt_pass pass_vectorize =
......@@ -217,6 +214,26 @@ struct tree_opt_pass pass_vectorize =
0 /* letter */
};
struct tree_opt_pass pass_vect_dce =
{
"vect_dce", /* name */
gate_tree_vectorize, /* gate */
tree_ssa_dce, /* execute */
NULL, /* sub */
NULL, /* next */
0, /* static_pass_number */
TV_TREE_DCE, /* tv_id */
PROP_cfg | PROP_ssa | PROP_alias, /* properties_required */
0, /* properties_provided */
0, /* properties_destroyed */
0, /* todo_flags_start */
TODO_dump_func
| TODO_update_ssa_no_phi
| TODO_cleanup_cfg
| TODO_ggc_collect
| TODO_verify_ssa, /* todo_flags_finish */
0 /* letter */
};
/* Loop nest optimizations. */
......
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