* gcse.c (gcse_main): Don't rebuild the CFG here.
(delete_null_pointer_checks): Likewise.
* ssa.c (convert_to_ssa): Likewise.
* toplev.c (rest_of_compilation): Do it here instead. Combine
sequential calls to TIMEVAR. Consistently use `insns' instead of
`get_insns()'. Always split insns after reload when optimizing.
From-SVN: r32995
* basic-block.h (merge_blocks_nomove): Declare.
(tidy_fallthru_edge): Declare.
* flow.c (merge_blocks_nomove): Document as merging into previous
blocks. Remove cruft from between blocks; remove all edges out of A.
(tidy_fallthru_edge): Export.
From-SVN: r32994
* ssa.c (compute_conservative_reg_partition): Declare with
void arguments.
* toplev.c (clean_dump_file): Remove previously-deleted function
inadvertantly merged back in.
* conflict.c (conflict_graph_add): Use a single call to
htab_find_slot to look up and insert.
From-SVN: r32992
* genrecog.c (*): Rename _last_insn to last_insn.
(make_insn_sequence): Set the position of the peephole2 C test
to be at the last insn.
From-SVN: r32990
* rtl.h (INSN_P): New macro.
(successor_phi_fn): New typedef.
(for_each_successor_phi): New prototype.
(in_ssa_form): New variable.
(PHI_NODE_P): Likewise.
* flow.c (calculate_global_regs_live): Add to new_live_at_end from
phi nodes in successors.
(mark_used_regs): Add PHI case.
(set_phi_alternative_reg): New function.
(life_analysis): Assert that dead code elimination is not selected
when in SSA form.
* toplev.c (to_ssa_time): New variable.
(from_ssa_time): Likewise.
(compile_file): Zero to_ssa_time and from_ssa_time.
Print time to convert to and from SSA.
(rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
(print_time): Compute percent fraction as integer.
* ssa.c (PHI_NODE_P): Moved to rtl.h.
(convert_to_ssa): Check if we're already in SSA.
Don't eliminate dead code in life_analysis.
Rerun flow and life analysis at bottom.
(eliminate_phi): Use canonical regnos when adding nodes.
(mark_reg_in_phi): New function.
(mark_phi_and_copy_regs): Likewise.
(convert_from_ssa): Rerun life analysis at top.
Use coalesced partition.
Check for removing a phi node at the end of the block.
(compute_coalesced_reg_partition): New function.
(coalesce_regs_in_copies): Likewise.
(coalesce_reg_in_phi): Likewise.
(coalesce_regs_in_sucessor_phi_nodes): Likewise.
(for_each_successor_phi): Likewise.
(rename_context): New struct.
(rename_block): Use a rename_context with rename_insn_1. When
renaming sets of a subreg, emit a copy of the entire reg first.
(rename_insn_1): Treat data as a rename_context *. Save current
insn in set_data.
(rename_set_data): Add field set_insn.
* Makefile.in (HASHTAB_H): Move up in file.
(OBSTACK_H): New macro.
(collect2.o): Use OBSTACK_H in dependencies.
(sdbout.o): Likewise.
(emit-rtl.o): Likewise.
(simplify-rtx.o): Likewise.
(fix-header.o): Likewise.
(OBJS): Add conflict.o.
(conflict.o): New rule.
* basic-block.h: Include partition.h.
(conflict_graph): New typedef.
(conflict_graph_enum_fn): Likewise.
(conflict_graph_new): New prototype.
(conflict_graph_delete): Likewise.
(conflict_graph_add): Likewise.
(conflict_graph_conflict_p): Likewise.
(conflict_graph_enum): Likewise.
(conflict_graph_merge_regs): Likewise.
(conflict_graph_print): Likewise.
(conflict_graph_compute): Likewise.
* conflict.c: New file.
From-SVN: r32981
* rtl.h (INSN_P): New macro.
(successor_phi_fn): New typedef.
(for_each_successor_phi): New prototype.
(in_ssa_form): New variable.
(PHI_NODE_P): Likewise.
* flow.c (calculate_global_regs_live): Add to new_live_at_end from
phi nodes in successors.
(mark_used_regs): Add PHI case.
(set_phi_alternative_reg): New function.
(life_analysis): Assert that dead code elimination is not selected
when in SSA form.
* toplev.c (to_ssa_time): New variable.
(from_ssa_time): Likewise.
(compile_file): Zero to_ssa_time and from_ssa_time.
Print time to convert to and from SSA.
(rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
(print_time): Compute percent fraction as integer.
* ssa.c (PHI_NODE_P): Moved to rtl.h.
(convert_to_ssa): Check if we're already in SSA.
Don't eliminate dead code in life_analysis.
Rerun flow and life analysis at bottom.
(eliminate_phi): Use canonical regnos when adding nodes.
(mark_reg_in_phi): New function.
(mark_phi_and_copy_regs): Likewise.
(convert_from_ssa): Rerun life analysis at top.
Use coalesced partition.
Check for removing a phi node at the end of the block.
(compute_coalesced_reg_partition): New function.
(coalesce_regs_in_copies): Likewise.
(coalesce_reg_in_phi): Likewise.
(coalesce_regs_in_sucessor_phi_nodes): Likewise.
(for_each_successor_phi): Likewise.
(rename_context): New struct.
(rename_block): Use a rename_context with rename_insn_1. When
renaming sets of a subreg, emit a copy of the entire reg first.
(rename_insn_1): Treat data as a rename_context *. Save current
insn in set_data.
(rename_set_data): Add field set_insn.
* Makefile.in (HASHTAB_H): Move up in file.
(OBSTACK_H): New macro.
(collect2.o): Use OBSTACK_H in dependencies.
(sdbout.o): Likewise.
(emit-rtl.o): Likewise.
(simplify-rtx.o): Likewise.
(fix-header.o): Likewise.
(OBJS): Add conflict.o.
(conflict.o): New rule.
* basic-block.h: Include partition.h.
(conflict_graph): New typedef.
(conflict_graph_enum_fn): Likewise.
(conflict_graph_new): New prototype.
(conflict_graph_delete): Likewise.
(conflict_graph_add): Likewise.
(conflict_graph_conflict_p): Likewise.
(conflict_graph_enum): Likewise.
(conflict_graph_merge_regs): Likewise.
(conflict_graph_print): Likewise.
(conflict_graph_compute): Likewise.
* conflict.c: New file.
From-SVN: r32979
* config/sh/lib1funcs.asm (___udivsi3_i4):
( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
only depends on FMOVD_WORKS.
From-SVN: r32975
* cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
(macro_cleanup): No need to cast pbuf->macro.
(collect_expansion): Use _cpp_get_define_token. Goto done if
it returns VSPACE. Remove check for trailing space after
CPP_COMMENT.
(_cpp_create_definition): Don't diddle flags here. Return
directly on error.
(unsafe_chars): Handle c1 being EOF.
(push_macro_expansion): Use unsafe_chars for both accidental-paste
checks. Don't push the buffer till after we're done with
them.
* cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
(PEEKN, FORWARD, GETC, PEEKC): Use them.
(cpp_push_buffer): Don't set new->alimit. Set new->mark
appropriately.
(_cpp_parse_assertion): Don't NUL terminate.
(_cpp_lex_token): Fix -traditional macro handling. Don't skip
hspace before calling _cpp_parse_assertion. Remove all sets
of only_seen_white. Treat '\f' as hspace. Don't do anything
special with '\n' here.
(maybe_macroexpand): Handle T_EMPTY hash entries without
pushing a buffer at all.
(cpp_get_token): Handle clearing only_seen_white here. Handle
incrementing the line number here. Clear
potential_control_macro as well as only_seen_white, if
appropriate.
(cpp_get_non_space_token): Don't eat CPP_POP tokens.
(_cpp_get_define_token): New function, basically like
_cpp_get_directive_token was but doesn't eat horizontal space.
Don't do anything with only_seen_white here.
(_cpp_get_directive_token): Just call _cpp_get_define_token
repeatedly till it returns non-hspace.
* cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
(conditional_skip, skip_if_group): Return int.
(DIRECTIVE_TABLE): Change origin of all conditional directives
to "COND".
(TRAD_DIRECT_P): New macro.
(_cpp_handle_directive): Use _cpp_get_directive_token. Issue
an error for a bogus directive, unless -lang-asm. Use
TRAD_DIRECT_P. Loop calling handler functions till one returns
zero.
(get_macro_name): Don't diddle flags here.
(do_define): Diddle flags here. Use _cpp_get_directive_token.
Create T_EMPTY nodes for #define macro /* nothing */.
(do_undef): Don't copy the name. Use _cpp_get_directive_token.
Use hp->name when calling pass_thru_directive.
(do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
Return the result of conditional_skip and/or skip_if_group.
Don't call _cpp_output_line_command.
(consider_directive_while_skipping): Use _cpp_get_directive_token.
Issue -Wtraditional warnings as appropriate. Don't complain
about unrecognized directives. If we are to stop skipping,
return the number of the directive that ended the skip.
(skip_if_group): Use _cpp_get_directive_token. Turn off macro
expansion and line commands while skipping. Return the result
of consider_directive_while_skipping, if nonzero.
(do_endif): Just set potential_control_macro here.
(validate_else): Use _cpp_get_directive_token.
(do_assert, do_unassert): Don't save pointers into the
token_buffer across calls to the lexer. Use
_cpp_get_directive_token.
* cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
pointer, not an offset. Replace 'data', which was a generic
pointer, with 'macro', which points to a struct hashnode.
(cpp_reader): Add 'potential_control_macro' pointer.
* cpphash.h (T_UNUSED): Replace with T_EMPTY.
(CPP_BUF_GET, CPP_FORWARD): Delete.
(CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
(CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
ACTIVE_MARK_P): Update.
(_cpp_get_define_token): New internal function.
* cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
From-SVN: r32965
2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
Martin v. Loewis <martin@loewis.home.cs.tu-berlin.de>
* configure.in (enable_libstdcxx_v3): Add.
(target_libs): Add bits here to switch between libstdc++-v2 and
libstdc++-v3.
* config.if: And this file too.
* Makefile.in: Add libstdc++-v3 targets.
Co-Authored-By: Martin v. Loewis <martin@loewis.home.cs.tu-berlin.de>
From-SVN: r32963
2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
* configure.in: And here.
* configure: Regenerate.
* acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
--enable-libstdcxx-v3 is passed at configure time.
* config.h.in: Regenerate.
From-SVN: r32962
Fix for PR gcj/140:
* parse.y (check_final_assignment): Recognize assignments to the
`length' field of an array when generating class files.
From-SVN: r32960
* final.c (final): Use xcalloc to allocate line_note_exists.
* function.c (free_after_compilation): Free the temp_slots.
(assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
(combine_temp_slot): Free temp_slots when they get combined.
(purge_addressof): Fix typo in comment.
* stmt.c (mark_goto_fixup): Mark the fixup itself.
(expand_fixup): Allocate the fixup with ggc_alloc_obj.
* ggc.h: Include varray.h.
(ggc_pending_trees): Declare.
(ggc_mark_tree_children): Remove declaration.
(ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
* ggc-common.c (ggc_pending_trees): New variable.
(ggc_mark_roots): Call ggc_mark_trees.
(ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
the ggc_pending_trees.
* Makefile.in (GGC_H): New variable. Use it throughout in place
of ggc.h.
* Makefile.in (GGC_H): New variable. Use it throughout in place
of ggc.h.
* call.c: Don't include obstack.h. Include ggc.h.
(obstack_chunk_alloc): Don't define.
(obstack_chunk_free): Likewise.
(add_candidate): Allocate the z_candidate with ggc_alloc_obj.
* decl.c (push_switch): Use xmalloc to allocate the cp_switch.
(pop_switch): Free it.
* decl2.c (grokclassfn): Set TREE_READONLY for PARM_DECLs.
* dump.c (dequeue_and_dump): Don't try to print the bit_position
if we don't have a DECL_FIELD_OFFSET.
* Makefile.in (GGC_H): Add varray.h.
From-SVN: r32956
2000-04-05 Alexandre Petit-Bianco <apbianco@cygnus.com>
* class.c: (java_hash_hash_tree_node): Renamed from `decl_hash',
made global.
(java_hash_compare_tree_node): Renamed from `decl_compare, made
global.
(add_method_1): Use `java_hash_hash_tree_node' and
`java_hash_compare_tree_node'.
* java-tree.h: (java_hash_hash_tree_node): Prototyped.
(java_hash_compare_tree_node): Likewise.
* parse.y (find_applicable_accessible_methods_list): Create,
delete and use a hash table to remember already searched interfaces.
From-SVN: r32947
* md.texi (Standard Names): Clarify when movX is needed.
* combine.c (simplify_comparison) [MINUS]: Do not replace
all (op (minus A B) 0) with (op A B).
From-SVN: r32940
* optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
from the insn where REG_RETVAL is added.
(emit_no_conflict_block): Ditto.
From-SVN: r32935
