Danny Smith [Fri, 4 Jul 2003 07:42:11 +0000 (07:42 +0000)]
PR c++/5287, PR c++/7910, PR c++/11021
PR c++/5287, PR c++/7910, PR c++/11021
* config/i386/winnt.c (ix86_handle_dll_attribute): Don't add
dllimport attribute if function is defined at declaration, but
report error instead. Likewise for dllimport'd variable
definitions. Set implicit TREE_PUBLIC for dllimport'd variables
declared within functions, Report error if dllimport or dllexport
symbol is not global.
(i386_pe_dllimport_p): Ignore dllimport attribute of functions
if defined after declaration or if inlined. Don't allow definition
of static data members of C++ classes. Don't dllimport virtual
methods.
(i386_pe_mark_dllexport): Warn about inconsistent dll attributes.
(i386_pe_mark_dllimport): Remove unnecessary checks.
(i386_pe_encode_section_info): Warn if the dllimport attribute
and symbol prefix have been instantiated and then overridden.
* doc/extend.texi: Document dllimport and dllexport attributes.
2003-07-03 Benjamin Kosnik <bkoz@redhat.com>
Petur Runolfsson <peturr02@ru.is>
* include/std/std_streambuf.h: Remove _M_pos.
* config/io/basic_file_stdio.h: Use seekpos instead of seekoff.
* config/io/basic_file_stdio.cc: Same, use fseek instead of lseek,
use fread/fwrite instead of read/write.
* testsuite/27_io/basic_filebuf/showmanyc/char/9533-2.cc: Fix.
* testsuite/27_io/basic_filebuf/sputn/char/9339.cc: Close filebufs
before reading again.
* testsuite/27_io/objects/char/6.cc: Tweak.
cfglayout.c (cfg_layout_duplicate_bb): Do not update frequencies at all if edge is not specified.
* cfglayout.c (cfg_layout_duplicate_bb): Do not update frequencies
at all if edge is not specified.
(can_copy_bbs_p, copy_bbs): New.
* cfglayout.h (can_copy_bbs_p, copy_bbs): Declare.
* cfgloop.c (get_loop_body): Comment more precisely.
* cfgloopmanip.c (copy_bbs, record_exit_edges): Removed.
(scale_bbs_frequencies): Fix comment typo.
(can_duplicate_loop_p): Use can_copy_bbs_p.
(duplicate_loop_to_header_edge): Simplify by using copy_bbs.
Roger Sayle [Thu, 3 Jul 2003 21:38:55 +0000 (21:38 +0000)]
real.c (real_trunc, [...]): New functions to implement trunc, floor and ceil respectively.
* real.c (real_trunc, real_floor, real_ceil): New functions
to implement trunc, floor and ceil respectively.
* real.h (real_trunc, real_floor, real_ceil): Prototype here.
* builtins.c (integer_valued_real_p): New function to test if
a floating point expression has an integer valued result.
(fold_trunc_transparent_mathfn): Optimize foo(foo(x)) as
foo(x) where foo is an integer rounding function. Similarly,
optimize foo(bar(x)) as bar(x), and foo((double)(int)x) as
(double)(int)x when both foo and bar are integer rounding
functions and we don't need to honor errno.
(fold_builtin_trunc, fold_builtin_floor, fold_builtin_ceil):
New functions to fold trunc, floor and ceil.
(fold_builtin): Use fold_builtin_trunc to fold BUILT_IN_TRUNC*,
fold_builtin_floor to fold BUILT_IN_FLOOR* and fold_builtin_ceil
to fold BUILT_IN_CEIL*.
* fold-const.c (tree_expr_nonnegative_p): Handle FLOAT_EXPR and
the remaining integer rounding functions.
* gcc.dg/builtins-25.c: New testcase.
* gcc.dg/builtins-26.c: New testcase.
Janis Johnson [Thu, 3 Jul 2003 20:37:42 +0000 (20:37 +0000)]
vector-defs.h: New file.
* gcc.dg/compat/vector-defs.h: New file.
* gcc.dg/compat/vector-setup.h: New file.
* gcc.dg/compat/vector-check.h: New file.
* gcc.dg/compat/vector-1_main.c: New file.
* gcc.dg/compat/vector-1_x.c: New file.
* gcc.dg/compat/vector-1_y.c: New file.
* gcc.dg/compat/vector-2_main.c: New file.
* gcc.dg/compat/vector-2_x.c: New file.
* gcc.dg/compat/vector-2_y.c: New file.
Janis Johnson [Thu, 3 Jul 2003 20:15:48 +0000 (20:15 +0000)]
fnptr-by-value-1_main.c: New file.
* gcc.dg/compat/fnptr-by-value-1_main.c: New file.
* gcc.dg/compat/fnptr-by-value-1_x.c: New file.
* gcc.dg/compat/fnptr-by-value-1_y.c: New file.
* gcc.dg/compat/struct-align-1.h: New file.
* gcc.dg/compat/struct-align-1_main.c: New file.
* gcc.dg/compat/struct-align-1_x.c: New file.
* gcc.dg/compat/struct-align-1_y.c: New file.
* gcc.dg/compat/struct-align-2.h: New file.
* gcc.dg/compat/struct-align-2_main.c: New file.
* gcc.dg/compat/struct-align-2_x.c: New file.
* gcc.dg/compat/struct-align-2_y.c: New file.
Jan Hubicka [Thu, 3 Jul 2003 18:40:29 +0000 (20:40 +0200)]
basic-block.h (create_basic_block, [...]): Kill.
* basic-block.h (create_basic_block, merge_blocks_nomove): Kill.
* cfgcleanup.c (merge_blocks): Rename to merge_blocks_move.
(merge_blocks_move_predecessor_nojumps,
merge_blocks_move_successor_nojumps): Use merge_blocks.
(try_optimize_cfg): Use merge_blocks_move.
* cfgrtl.c (create_basic_block): Rename to rtl_create_basic_block.
(merge_blocks_nomove): Rename to rtl_merge_blocks.
(cfg_layout_create_basic_block): New.
(rtl_can_merge_blocks): New.
(cfg_layout_split_block): Do not alloc aux by hand.
* cfghooks.h (cfg_hooks): Add create_basic_block, can_merge_blocks_p,
merge_blocks.
(create_basic_block, can_merge_blocks_p, merge_blocks): New macros.
* cfglayout.c (cfg_layout_duplicate_bb): Do not allocate aux by hand.
* cfgloopmanip.c (loop_split_edge_with): Likewise.
* ifcvt.c (merge_if_block): Use merge_blocks_nomove.
* basic-block.h (basic_block_def): Add field 'rbi'.
* bb-reorder.c (find_traces, rotate_loop, mark_bb_visited,
find_traces_1_round, copy_bb, connect_traces): Update use of rbi.
* cfg.c (entry_exit_blocks): Add new field.
* cfglayout.c: Include alloc-pool.h;
(cfg_layout_pool): New.
(record_effective_endpoints, fixup_reorder_chain,
fixup_fallthru_exit_predecessor, cfg_layout_duplicate_bb): Update use
of rbi.
(cfg_layout_initialize_rbi): New function.
(cfg_layout_initialize): Use it.
(cfg_layout_finalize): Clear rbi fields.
* cfglayout.h (RBI): Kill.
(cfg_layout_initialize_rbi): Declare.
* cfgloopmanip.c (copy_bbs): Use rbi.
(record_exit_edges): Likewise.
(duplicate_loop_to_header_edge): Likewise.
* cfgrtl.c (cfg_layout_create_basic_block): Use
cfg_layout_initialize_rbi.
(cfg_layout_split_block): Use rbi.
(cfg_layout_delete_block): Likewise.
* loop-init.c (loop_optimizer_finalize): Likewise.
* loop-unswitch.c (unswitch_loop): Likewise.
* tracer.c (seen, tail_duplicate, layout_superblocks): Likewise.
* cfgrtl.c: Update comments.
(try_redirect_by_replacing_jump): New argument.
(redirect_branch_edge): Break out from ...
(rtl_redirect_edge_and_branch): ... this one.
(update_cfg_after_block_merging): Break out from ...
(rtl_merge_blocks): ... this one.
(cfg_layout_split_edge): New.
(cfg_layout_merge_blocks): New.
(cfg_layout_can_merge_blocks_p): New.
(cfg_layout_redirect_edge_and_branch): Reorganize.
(cfg_layout_rtl_cfg_hooks): Fill in.
(cfg_layout_delete_block): Kill barriers.
* cfganal.c (can_fallthru): Deal with exit blocks
* cfglayout.c (cfg_layout_function_header): New function
(record_effective_endpoints): Record function header.
(fixup_reorder_chain): Fixup dead jumptables; place header
* basic-block.h (CLEANUP_CFGLAYOUT): New flag.
* bb-reorder.c (cfg_layout_initialize): Update call.
* cfgcleanup.c (try_optimize_cfg): Supress optimizations of fallthru
edges in cfglayout mode.
* cfglayout.c (cleanup_unconditional_jumps): Kill.
(cfg_layout_initialize): Kill agrument loops; use cfgcleanup.
* cfglayout.h (cfg_layout_initialize): Update prototype.
* cfgloop.h (CP_INSIDE_CFGLAYOUT): Kill.
* cfgloopmanip.c (loop_split_edge_with): Use split_edge.
* flow.c (propagate_block): Do not crash when basic block ends
by first insn in the chain.
* loop-init.c (loop_optimizer_init): First enter cfglayout mode; later
do loop discovery.
* tracer.c (tracer): Update call of cfg_layout_initialize.
Mark Mitchell [Thu, 3 Jul 2003 18:13:44 +0000 (18:13 +0000)]
call.c (build_scoped_method_call): Use convert_to_void.
* call.c (build_scoped_method_call): Use convert_to_void.
(build_method_call): Likewise.
* class.c (check_field_decls): Remove dead code.
* cvt.c (convert_from_reference): Remove OFFSET_TYPE handling.
* decl2.c (grok_array_decl): Remove dead code.
(arg_assoc_type): Avoid relying on POINTER_TYPE over OFFSET_TYPE
as pointer-to-member representation.
* init.c (build_offset_ref): Tidy.
(build_vec_delete_1): Use convert_to_void.
* mangle.c (write_type): Avoid relying on POINTER_TYPE over OFFSET_TYPE
as pointer-to-member representation.
Eric Botcazou [Thu, 3 Jul 2003 07:30:03 +0000 (09:30 +0200)]
re PR rtl-optimization/11381 (volatile memory access optimized away)
PR optimization/11381
* simplify-rtx.c (simplify_relational_operation): Check that
two equal operands have no side-effects before simplifying
the comparison.
Jeff Law [Thu, 3 Jul 2003 05:42:57 +0000 (23:42 -0600)]
expr.c (do_store_flag): Remove special case folding for single bit tests.
* expr.c (do_store_flag): Remove special case folding for
single bit tests. Instead call back into the commonized folder
routine.
* fold-const.c (fold_single_bit_test): New function, mostly
extracted from do_store_flag, with an additional case extracted
from fold.
(fold): Call fold_single_bit_test appropriately.
* tree.h (fold_single_bit_test): Prototype.
* system.h: Include filenames.h.
(IS_DIR_SEPARATOR, IS_ABSOLUTE_PATHNAME): Don't define.
(DIR_SEPARATOR, DIR_SEPARATOR_2): If not already defined,
define based on HAVE_DOS_BASED_FILE_SYSTEM.
* config/i386/xm-cygwin.h, config/i386/xm-djgpp.h
* config/i386/xm-mingw32.h: Don't define
HAVE_DOS_BASED_FILE_SYSTEM,
DIR_SEPARATOR, or DIR_SEPARATOR_2.
* doc/hostconfig.texi: Update to match.
* cppfiles.c, gcc.c, gensupport.c, protoize.c,
config/i386/cygwin.h:
Use IS_ABSOLUTE_PATH throughout.
* gcc.c (DIR_UP): Delete, unused.
* protoize.c (IS_SAME_PATH): Define in terms of
FILENAME_CMP.
(is_abspath): Delete.
java:
* jcf-path.c: Don't default-define PATH_SEPARATOR nor
DIR_SEPARATOR.
Use FILENAME_CMP.
* jcf-write.c: Don't default-define DIR_SEPARATOR.
* jcf.h: Delete COMPARE_FILENAMES definition.
h8300.c (compute_mov_length): Fix the length of loading CONST0_RTX (SFmode).
* config/h8300/h8300.c (compute_mov_length): Fix the length of
loading CONST0_RTX (SFmode).
* config/h8300/h8300.h (CONST_DOUBLE_OK_FOR_LETTER_P): Change
'G' to CONST0_RTX (SFmode).
* config/h8300/h8300.md (movsf_h8300): Change the first
constraint to 'G'.
(movsf_h8300h): Likewise.
Eric Botcazou [Wed, 2 Jul 2003 07:41:07 +0000 (09:41 +0200)]
re PR rtl-optimization/11210 (optimizer drops conditional with typecast from signed to unsigned char)
PR optimization/11210
* expr.c (handled_component_p) [NOP_EXPR]: Add ??? note
about the behaviour with regard to bitfields.
* fold-const (decode_field_reference): Record outermost type in
case the expression is a NOP. Strip all NOPs. Set the signedness
to that of the outermost type (if any) when the bitsize is equal
to the size of the type.
mips.c (machine_function): Add new fields: ignore_hazard_length_p and all_noreorder_p.
* config/mips/mips.c (machine_function): Add new fields:
ignore_hazard_length_p and all_noreorder_p.
(mips_flag_delayed_branch): New variable.
(override_options): Treat '/' as an operand punctuation character.
Set up mips_flag_delayed_branch.
(print_operand): Handle '/'.
(mips_output_function_prologue): Put the whole function in
.set noreorder and .set nomacro if all_noreorder_p is true.
(mips_output_function_epilogue): End the noreorder/nomacro sequence.
(mips16_optimize_gp): Remove "first insn" parameter.
(mips16_lay_out_constants): New function, split out from mips_reorg.
(mips_avoid_hazard, mips_avoid_hazards): New functions.
(mips_reorg): For mips16 code, call mips16_lay_out_constant
and (optionally) mips16_optimize. If TARGET_EXPLICIT_RELOCS,
do delayed-branch scheduling followed by hazard detection.
(mips_adjust_insn_length): Only account for hazards if
!ignore_hazard_length_p.
(mips_output_load_label): Add a nop to the o32 sequence if
the target suffers from load delays.
(mips_output_conditional_branch): Add %/ to the end of branches.
(mips_output_division): Fill the branch delay slot with %#.
* config/mips/mips.md: Remove redundant '%*' from mips16 branch
instructions. End all other %* branches with %/.
(ffssi2, ffsdi2): Fix lengths.
(truncdisi2, truncdihi2, truncdiqi2): Add store attributes.
(fix_truncdfsi2_macro): Turn off .set nomacro if appropriate.
(fix_truncsfsi2_macro): Likewise.
(mov_lwl): Set hazard to "none".
(ashldi3_internal): Fill the branch delay slot with %#.
(ashrdi3_internal, lshrdi3_internal): Likewise.
(exception_receiver): Explicitly set $28.
(hazard_nop): New pattern.
iris5.h (SET_FILE_NUMBER): Moved here from iris3.h.
* config/mips/iris5.h (SET_FILE_NUMBER): Moved here from iris3.h.
Undef before redefinition.
(LABEL_AFTER_LOC): Likewise.
(DEFAULT_SIGNED_CHAR): Likewise.
(ASM_OUTPUT_ASCII): Moved here from iris4.h.
Fix IRIX spelling.
Jan Hubicka [Wed, 2 Jul 2003 00:17:38 +0000 (02:17 +0200)]
cgraph.c (cgraph_mark_needed_node, [...]): Use next_needed field instead of aux to maintain the queue.
* cgraph.c (cgraph_mark_needed_node, cgraph_varpool_mark_needed_node,
cgraph_varpool_finalize_decl, cgraph_varpool_assemble_pending_decls):
Use next_needed field instead of aux to maintain the queue.
* cgraph.h (cgraph_node): Add next_needed.
(cgraph_varpool_node): Add next_needed; remove aux.
* cgraphunit.c (cgraph_finalize_compilation_unit): Use next_needed.
Jan Hubicka [Wed, 2 Jul 2003 00:14:44 +0000 (02:14 +0200)]
cgraphunit.c (cgraph_finalize_function): Set finalized.
* cgraphunit.c (cgraph_finalize_function): Set finalized.
(cgraph_finalize_function): Do not examine inlinablility.
(cgraph_finalize_compilation_unit): Do it here.
* cgraph.h (cgraph_local_info): Add finalized field.
Jan Hubicka [Wed, 2 Jul 2003 00:12:10 +0000 (02:12 +0200)]
decl2.c (defer_fn): Set DECL_DEFER_OUTPUT.
* decl2.c (defer_fn): Set DECL_DEFER_OUTPUT.
(finish-file): Do not process function with DECL_DEFER_OUTPUT clear;
clear DECL_DEFER_OUTPUT once function is processed; avoid flags
massaging.
* cp-tree.h (DECL_NEEDED_P): Support unit-at-a-time
(expand_or_defer_fn): Declare.
(lower_function): Declare.
* decl.c (start_cleanup_fn): Use expand_or_defer_fn.
* decl2.c: Include cgraph.h and varpool.h
(maybe_emit_vtables): Make explicit instantations as needed.
(mark_member_pointers, lower_function): New functions.
(finish_file): Do unit-at-a-time.
* method.c (synthesize_method): Use expand_or_defer_fn.
* optimize.c (maybe_clone_body): Use expand_or_defer_fn.
* parser.c (cp_parser_function_definition_after_decl): Use
expand_or_defer_fn.
* pt.c (instantiate_decl): Likewise.
* semantics.c: Include cgraph.h
(expand_or_defer_fn): Break out from ...
(expand_body): ... here; deal with unit-at-a-time.
* cp-lang.c (LANG_HOOKS_CALLGRAPH_EXPAND_FUNCTION,
LANG_HOOKS_CALLGRAPH_LOWER_FUNCTION): Define.
* gcc_release (BRANCH): Rename to...
(CVSBRANCH): ...new macro, and use BRANCH for the variant users
will see.
(FTP_BRANCH): For snapshots, include ${BRANCH} in the last part
of the directory name.
Use .snapshot_date-${BRANCH} instead of .snapshot_date.
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