1 Tue May 30 22:25:57 2000 Alexandre Oliva <aoliva@cygnus.com>
3 * optabs.c (prepare_float_lib_cmp): Protect *px and *py from
6 2000-05-30 Michael Meissner <meissner@redhat.com>
8 * dwarf2out.c (dwarf2out_frame_debug_expr): Ignore HIGH
9 instructions. Treat LO_SUM operations as loading the full integer
12 2000-05-30 Richard Henderson <rth@cygnus.com>
14 * combine.c (get_pos_from_mask): Test exact_log2 result as signed.
16 2000-05-30 Richard Henderson <rth@cygnus.com>
18 * bb-reorder.c (emit_jump_to_block_after): Protect use of HAVE_return.
20 2000-05-30 Bruce Korb <bkorb@gnu.org>
22 * fixinc/tests/*: Added expected result files for fixinc's make check
23 * fixinc/fixfixes(char_macro_*_fix): Restore original algorithm
25 2000-05-30 Richard Henderson <rth@cygnus.com>
27 * config/alpha/alpha.md (*setne_internal): Use match_operator
28 instead of working down from insn.
30 2000-05-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
32 * invoke.texi (-Wtraditional): Update WRT function macros.
34 Tue May 30 09:57:32 2000 Philippe De Muyter <phdm@macqel.be>
36 * except.c (free_exception_table): Do not free NULL.
38 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
40 * cpplib.c (do_if): Don't save and restore only_seen_white here.
41 * cppexp.c (_cpp_parse_expr): Save and restore only_seen_white
44 2000-05-29 Richard Earnshaw (rearnsha@arm.com)
46 * flow.c (mark_used_reg): If a register is unconditionally live,
47 remove any conditional death information.
49 2000-05-29 Richard Henderson <rth@cygnus.com>
51 * final.c (current_output_insn): New.
52 (final_scan_insn): Set it.
53 * output.h: Declare it.
55 2000-05-29 Richard Henderson <rth@cygnus.com>
57 * stor-layout.c (finalize_record_size): Fix typo.
59 * jump.c (redirect_jump): Don't emit NOTE_INSN_FUNCTION_END
62 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
64 * cpplib.h (cpp_reader): Remove if_stack. Change
65 potential_control_macro to a cpp_hashnode *. Add skipping flag.
66 * cpphash.h (struct ihash): Change control_macro to a
67 cpp_hashnode * and shorten name to cmacro.
68 Add NEVER_REINCLUDE constant.
70 * cppfiles.c (redundant_include_p): Drop cpp_reader argument.
71 Examine the cmacro node directly, no need to call cpp_defined.
72 (_cpp_execute_include, read_include_file): Set cmacro to
73 NEVER_REINCLUDE, not U"".
74 * cpplex.c (cpp_push_buffer): Don't set new->if_stack.
75 (cpp_get_token): If pfile->skipping is true, discard text and
76 keep scanning until we hit a directive; don't expand macros.
78 * cpplib.c (struct if_stack): Remove if_succeeded, add
79 was_skipping. Change control_macro to a cpp_hashnode * and
80 shorten name to cmacro. Remove typedef IF_STACK.
81 (parse_ifdef), detect_if_not_defined): Return a cpp_hashnode *.
82 (conditional_skip, skip_if_group,
83 consider_directive_while_skipping): Delete.
84 (push_conditional): New.
85 (_cpp_handle_directive): Don't process directives other than
86 conditionals if we are skipping.
88 (do_ifdef, do_ifndef, do_if, do_else, do_elif, do_endif):
90 (validate_else): Skip rest of line here, unconditionally.
91 (_cpp_unwind_if_stack): The stack is per-buffer. Force
94 (all): Remove `scare quotes' from error messages.
96 2000-05-29 Richard Henderson <rth@cygnus.com>
98 * function.c (emit_return_into_block): New line_note arg; emit it.
99 (thread_prologue_and_epilogue_insns): Attempt to locate a line note
100 for the close brace to accompany HAVE_return. Move all line notes
101 following the epilogue to before the NOTE_INSN_EPILOGUE_BEG.
103 2000-05-29 Richard Henderson <rth@cygnus.com>
105 * longlong.h [__alpha] (count_leading_zeros): New.
106 (count_trailing_zeros): New.
107 (COUNT_LEADING_ZEROS_0): New.
109 * config/alpha/alpha.c (alpha_zero_comparison_operator): New.
110 (alpha_split_conditional_move): New.
111 * config/alpha/alpha-protos.h: Prototype them.
112 * config/alpha/alpha.h (PREDICATE_CODES): Update.
113 (CPP_CPU_DEFAULT_SPEC): Fix typo for EV67.
114 * config/alpha/alpha.md: Update ffs cix commentary.
116 (*nabssf2, *nabsdf2): New.
117 (*mov[qhsd]icc_internal): Use add_operand.
118 (if_then_else constant splitters): New.
119 (*cmp_sadd_di, *cmp_sadd_si, *cmp_sadd_sidi): New.
120 (*cmp_ssub_di, *cmp_ssub_si, *cmp_ssub_sidi): New.
122 2000-05-29 Richard Henderson <rth@cygnus.com>
124 * combine.c (force_to_mode) [MINUS]: Convert subtraction from
125 a constant to NEG or NOT when conditions allow.
127 * combine.c (combine_simplify_rtx): Don't create an if_then_else
128 unless both args are general_operand. Don't canonicalize plus
129 to ior unless it helps.
131 * toplev.c (rest_of_compilation): Set no_new_pseudos after flow1;
132 instead track register_life_up_to_date. Toggle no_new_pseudos
135 2000-05-28 Geoff Keating <geoffk@cygnus.com>
137 * config/rs6000/rs6000.c (output_cbranch): Escape '%' characters
138 so output_operand doesn't see them.
140 Sun May 28 18:37:07 2000 Clinton Popetz <cpopetz@cygnus.com>
142 * lcm.c (make_preds_opaque): Fix comment.
143 (optimize_mode_switching): Use NORMAL_MODE instead of
144 MODE_USES_IN_EXIT_BLOCK. Change leftover instance of
145 FP_MODE_NONE to no_mode. Rename MODE_AT_ENTRY to NORMAL_MODE.
146 Handle insertions before an existing NOTE_INSN_BASIC_BLOCK.
147 * tm.texi (OPTIMIZE_MODE_SWITCHING): Refer to NORMAL_MODE.
148 (MODE_USES_IN_EXIT_BLOCK): Delete.
149 (MODE_AT_ENTRY) Rename to NORMAL_MODE.
150 * sh.h (MODE_USES_IN_EXIT_BLOCK): Delete.
151 (MODE_AT_ENTRY): Rename to NORMAL_MODE.
152 (MODE_NEEDED): Don't look for USE.
153 (EPILOGUE_USES): Define.
155 Sun May 28 23:26:59 2000 Philippe De Muyter <phdm@macqel.be>
157 * mklibgcc.in (all): Variable initialised to `libgcc'.
159 2000-05-28 Gabriel Dos Reis <gdr@codesourcery.com>
161 * toplev.h (skip_leading_substring): New macro.
162 * toplev.c (decode_f_option): Use skip_leading_substring instead
164 (decode_W_option): Likewise.
166 2000-05-28 Nick Clifton <nickc@cygnus.com>
168 * tm.texi (CONDITIONAL_REGISTER_USAGE): Document that it can
171 2000-05-28 Richard Henderson <rth@cygnus.com>
173 * regclass.c (record_operand_costs): Protect reg_changes_size
174 with CLASS_CANNOT_CHANGE_SIZE.
176 * loop.c (instrument_loop_bct): Set JUMP_LABEL on the new insn.
178 2000-05-28 Richard Henderson <rth@cygnus.com>
180 * function.c (diddle_return_value): A pcc-style struct return
183 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
185 * cppfiles.c: Read files in, using mmap if possible, then
186 prescan them separately.
187 (read_file, read_with_read): New functions.
188 * cpplex.c: Don't define UCHAR_MAX.
189 (_cpp_read_and_prescan): Rename to _cpp_prescan. Don't read
192 * cppinit.c (handle_option): Automatically define __cplusplus,
193 __OBJC__, __ASEEMBLER__, _LANGUAGE_FORTRAN here when we see
194 the respective -lang switch.
196 * cpphash.h (enum node_type, struct hashnode, _cpp_lookup
197 prototype): Move to...
198 * cpplib.h: ... here. Rename struct hashnode to struct
199 cpp_hashnode and give it a typedef. Rename _cpp_lookup to
200 cpp_lookup. Add 'fe_value' slot, a union tree_node *.
202 2000-05-27 Geoffrey Keating <geoffk@cygnus.com>
204 * config/rs6000/rs6000.md (movsi): Constify 'name'.
206 * regclass.c [CLASS_CANNOT_CHANGE_SIZE]
207 (class_can_change_size): New variable.
208 (reg_changes_size): New variable.
209 (init_reg_sets_1): Initialise class_can_change_size.
210 (record_operand_costs): Remove subreg_changes_size.
211 Don't pass it around. Instead update reg_changes_size.
212 (regclass): Initialise and free reg_changes_size. If a register
213 changes size, don't preference it to a class that contains
214 registers that can't change size.
215 (record_reg_classes): Don't look at subreg_changes_size.
217 2000-05-27 Richard Henderson <rth@cygnus.com>
219 * print-rtl.c (reg_names): Remove const.
220 * regclass.c (reg_names): Likewise.
221 * regs.h (reg_names): Likewise.
222 * hard-reg-set.h (reg_names): Likewise.
224 2000-05-27 Richard Henderson <rth@cygnus.com>
226 * config/rs6000/rs6000.md (untyped_call): Use GEN_CALL.
228 2000-05-27 Richard Henderson <rth@cygnus.com>
230 * config/alpha/alpha.c (alpha_does_function_need_gp): Test
231 TARGET_PROFILING_NEEDS_GP in the if, instead of with an ifdef.
232 (alpha_expand_prologue): Emit prologue_mcount if needed.
233 * config/alpha/alpha.h (TARGET_PROFILING_NEEDS_GP): Default to 0.
234 * config/alpha/alpha.md (prologue_mcount): New.
235 * config/alpha/linux.h (FUNCTION_PROFILER): Remove.
236 (TARGET_PROFILING_NEEDS_GP): Undef before redefining.
237 * config/alpha/netbsd.h: Likewise.
239 2000-05-27 Richard Henderson <rth@cygnus.com>
241 * config/alpha/elf.h (SELECT_SECTION): Mirror Kenner's May 19
242 change to config/elfos.h.
244 2000-05-27 Richard Henderson <rth@cygnus.com>
246 * Makefile.in (resource.o): Depend on except.h.
247 * except.h (output_exception_table_data): Prototype.
248 * genconfig.c (gen_peephole2): Prototype.
249 * genemit.c (main): Include ggc.h.
250 * genoutput.c: Revert parts of last change: include errors.h
251 (main): Set progname.
252 * recog.c: Include hard-reg-set.h before recog.h.
253 * resource.c: Include except.h.
255 * config/alpha/alpha-protos.h (alpha_arg_info_reg_val): Protect
257 (alpha_write_linkage): Protect with BUFSIZ.
258 (alpha_need_linkage): Update prototype.
259 * config/alpha/alpha.c (function_arg): Move VMS code here.
260 (alpha_links_base): Remove.
262 (mark_alpha_links_node, mark_alpha_links): New.
263 (alpha_write_one_linkage): New.
264 (alpha_need_linkage): Use a splay tree. Build the linkage symbol.
265 (alpha_write_linkage): Use splay_tree_foreach.
266 * config/alpha/alpha.md (call_vms): Use alpha_need_linkage
267 to get the linkage symbol.
268 (call_value_vms): Likewise.
269 * config/alpha/elf.h (output_file_directive): Remove decl.
270 (ctors_section, dtors_section): Prototype.
271 (sbss_section, sdata_section): Prototype.
272 * config/alpha/vms.h (FUNCTION_ARG): Remove.
273 (readonly_section, link_section, literals_section): Prototype.
274 (ctors_section, dtors_section): Prototype.
275 (vms_valid_decl_attribute_p): Remove decl.
276 (alpha_arg_type, alpha_arg_info_reg_val): Likewise.
278 2000-05-27 Geoff Keating <geoffk@cygnus.com>
280 * reload.c (get_secondary_mem): Don't widen floating-point modes.
282 * combine.c (subst): Honour CLASS_CANNOT_CHANGE_SIZE when
283 substituting the REG in a (subreg:X (reg:Y ...)).
285 2000-05-28 Neil Booth <NeilB@earthling.net>
287 * cpplex.c (_cpp_lex_line): Merge vertical space. Flag
288 first token of a line BOL. Update EOF code for this.
289 Remove illegal directive check - it appears in the (not
290 yet committed) caller.
291 * cpplib.h (BOL): New flag.
293 2000-05-28 Neil Booth <NeilB@earthling.net>
295 * cpplex.c (_cpp_init_toklist): No comment space to initialise.
296 (_cpp_free_toklist): No comment space to free.
297 (expand_comment_space): Remove.
298 (save_comment_space): Place the comment in the current token and
299 not in a separate comment space.
300 (_cpp_lex_line): Save comments during plain code and #define
302 * cpplib.h (struct _cpp_toklist): Remove comment space.
304 2000-05-28 Neil Booth <NeilB@earthling.net>
306 * cppexp.c (parse_assertion): Supply extra argument to
308 * cpplib.c (do_assert, do_unassert): Similarly.
309 * cpphash.h (_cpp_init_toklist) Update.
310 (_cpp_expand_token_space): New.
311 (DUMMY_TOKEN, NO_DUMMY_TOKEN): New.
312 * cpplex.c (_cpp_init_toklist): New argument.
313 (parse_string2): New argument multiline_ok.
314 (spell_token): Take a const cpp_token *.
315 (INIT_NAME): Replace with INIT_TOKEN_NAME. Update tokens_used.
316 (SPELL_ macros): Replace with enum.
317 (expand_token_space): Replace with _cpp_expand_token_space.
319 (IS_DIRECTIVE): Update.
320 (_cpp_lex_line): Update token structure before parsing number.
321 Don't assume start at beginning of token list.
322 (save_comment): Use INIT_TOKEN_NAME.
324 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
326 * configure.in (stage1_warn_cflags): Add -Wstrict-prototypes
327 -Wmissing-prototypes.
328 * configure: Regenerate.
329 * gcc.texi: Remove explanation of MD_CALL_PROTOTYPES.
331 * builtins.c, calls.c: Change all instances of gen_call_* or
332 gen_sibcall_* to GEN_CALL_* and GEN_SIBCALL_*.
333 * calls.c (struct_value_size_rtx): Separate definition from
334 initialization to avoid unused variable warning.
336 * genflags.c (gen_macro): New function.
337 (gen_proto): Call it for gen_call_* and gen_sibcall_*.
338 (gen_nonproto): Delete.
339 (gen_insn): Put all insns on the same obstack.
340 (main): Generate prototypes for everything unconditionally.
342 * configure.in: Add AC_CHECK_TYPE(ssize_t). Remove commented
343 out check for wchar_t.
344 * acconfig.h: Add template for ssize_t. Remove @TOP@.
345 * system.h: Add infrastructure for defining missing
346 TYPE_MAX/TYPE_MIN macros. Use it to provide fallback
347 definitions of UCHAR_MAX and SSIZE_MAX.
348 * configure: Regenerate.
349 * config.in: Regenerate.
351 * Makefile.in (libgcc2.ready): Rename to libgcc.ready.
352 Depend on $(LANGUAGES) as well as $(GCC_PATCHES) and fixed
354 (clean): No need to delete libgcc1.a, libgcc1-asm.a,
355 libgcc2.a, or libgcc1.null.
357 2000-05-27 Richard Henderson <rth@cygnus.com>
359 * Makefile.in (recog.o): Don't depend on resource.h.
360 * recog.c: Don't include resource.h.
361 (recog_last_allowed_insn): Remove.
362 (recog_next_insn): Remove.
363 (struct peep2_insn_data): New.
364 (peep2_insn_data, peep2_current): New.
365 (peep2_next_insn): New.
366 (peep2_regno_dead_p, peep2_reg_dead_p): New.
367 (peep2_find_free_register): New.
368 (peephole2_optimize): Track life information by insn as we go.
369 * recog.h: Update declarations.
370 * resource.c (find_free_register, reg_dead_p): Remove.
371 * resource.h: Remove their declarations.
372 * toplev.c: Include hard-reg-set.h before recog.h.
374 * genconfig.c (max_insns_per_peep2): New.
375 (gen_peephole2): New.
377 * genemit.c (output_peephole2_scratches): Generate calls to
378 peep2_find_free_register; adjust surrounding code.
379 (main): Have insn-emit.c include hard-reg-set.h before recog.h.
380 * genrecog.c (change_state): Don't track last_insn.
381 (write_action): Write into *_pmatch_len before accepting.
382 (write_tree): Adjust peephole2_insns and subroutines to match.
384 * config/i386/i386.md (all peepholes): Use peep2_regno_dead_p.
386 * config/alpha/alpha.c (hard_fp_register_operand): Mind the mode.
387 (hard_int_register_operand): New.
388 * config/alpha/alpha-protos.h: Declare it.
389 * config/alpha/alpha.h (PREDICATE_CODES): Update.
390 * config/alpha/alpha.md (peep2 patterns): Use hard_int_register_operand
391 as needed; use peep2_reg_dead_p instead of dead_or_set_p.
393 2000-05-27 Richard Henderson <rth@cygnus.com>
395 * function.c (thread_prologue_epilogue_insns): Don't move the
396 line note at the head of the chain. Only force a lineno note
397 before the end of block 0.
399 2000-05-27 Richard Henderson <rth@cygnus.com>
401 * gensupport.c (collect_insn_data): Record the maximum number
402 of alternatives, not the last seen.
404 * genoutput.c: Don't include errors.h.
405 (struct data): Add lineno member.
407 (scan_operands): Use message_with_line instead of error.
408 (validate_insn_alternatives): Likewise.
409 (gen_insn): Accept and store the pattern's line number.
410 (gen_peephole, gen_expand, gen_split): Likewise.
411 (main): Don't set progname. Pass line_no to gen_foo.
413 2000-05-27 Richard Henderson <rth@cygnus.com>
415 * config/d30v/d30v.c (d30v_print_operand): Handle ':'.
416 * config/d30v/d30v.h (PRINT_OPERAND_PUNCT_VALID_P): Accept ':'.
417 * config/d30v/d30v.md (attr predicable): New.
418 (all insn patterns): Mark non-predicable patterns; use %: on the rest.
419 (andsi3*): Unify into one pattern.
420 (iorsi3*, xorsi3*): Likewise.
421 (peephole2 patterns): Use peep2_reg_dead_p; verify not a
423 (old cond_exec patterns): Remove.
424 (define_cond_exec): New.
426 Sat May 27 11:01:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
428 * tree.h (TREE_CODE_LENGTH): New macro.
429 * c-common.c (c_find_base_decl): Use it.
430 * expr.c (safe_from_p): Likewise.
431 * print-tree.c (print_node): Likewise.
432 * tree.c (make_node, copy_node, get_identifier): Likewie.
433 (first_rtl_op, contains_placeholder_p, substitute_in_expr): Likewise.
434 (build, build_nt, build_parse_node, simple_cst_equal): Likewise.
435 * fold-const.c (make_range): Likewise.
436 (fold): Likewise; also use first_rtl_op.
437 * c-iterate.c (collect_iterators): Use first_rtl_op.
438 * calls.c (calls_function_1): Likewise; also rename TYPE to CLASS.
439 Use IS_EXPR_CODE_CLASS.
440 (preexpand_calls): Likewise.
441 * ggc-common.c (ggc_mark_trees): Rework to use first_rtl_op
442 and TREE_CODE_LENGTH.
443 * stmt.c (warn_if_unused_value): If no operands, no unused value.
445 2000-05-26 Geoffrey Keating <geoffk@cygnus.com>
447 * config/rs6000/rs6000.md (movsi_internal1): Use '%a1' rather
449 (movdi_internal64): Likewise.
451 * config/rs6000/rs6000.md: Correct order of operands for DImode
454 * config/rs6000/rs6000.c (boolean_or_operator): New function.
455 * config/rs6000/rs6000-protos.h (boolean_or_operator): Prototype it.
456 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_or_operator.
457 * config/rs6000/rs6000.md: Use boolean_or_operator instead of
458 boolean_operator for the boolean patterns without NOTs.
460 * config/rs6000/rs6000.c (reg_or_logical_cint_operand): Rename
461 from reg_or_u_cint_operand. Change comment and behaviour.
462 (logical_operand): Clean up, add assertion.
463 (non_logical_cint_operand): Also check for
464 reg_or_logical_cint_operand.
465 * config/rs6000/rs6000.h (PREDICATE_CODES): Update.
466 * config/rs6000/rs6000.md (iorsi3): Use reg_or_logical_cint_operand
472 2000-05-26 Mark Mitchell <mark@codesourcery.com>
474 * tree.h (struct record_layout_info): Rename to (struct
475 record_layout_info_s).
476 * stor-layout.c (start_record_layout): Replace
477 `record_layout_info' with `record_layout_info_s'.
479 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
481 * flow.c (find_label_refs): New function.
482 (find_basic_blocks_1): Call it for each alternative of a call
485 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
487 * ifcvt.c (cond_exec_get_condition): Set test_if to the SET_SRC
490 2000-05-25 Richard Henderson <rth@cygnus.com>
492 * config/alpha/alpha.c (alpha_comparison_operator): Don't be
493 so strict about DImode.
494 (alpha_swapped_comparison_operator): Likewise.
495 * config/alpha/alpha.md (*setne_internal): Name it. Allow
496 any integer output mode.
497 (*setcc_internal): Likewise.
498 (*setcc_swapped_internal): Likewise.
499 (*movdicc_internal, *movdicc_lbc, *movdicc_lbs): Name them.
500 (*mov[qhs]icc_internal): New.
501 (*mov[qhs]icc_lbc, *mov[qhs]icc_lbs): New.
503 2000-05-25 J. David Anglin <dave@hiauly1.hia.nrc.ca>
505 * vax.h (CPP_SPEC): Define __GFLOAT and GFLOAT when -mg is specified.
507 2000-05-25 Richard Henderson <rth@cygnus.com>
509 * bb-reorder.c (reorder_block_def): Reorder elements for size.
510 Remove add_jump; add next; replace flags with visited.
512 (REORDER_BLOCK_HEAD, REORDER_BLOCK_VISITED): Remove.
513 (REORDER_BLOCK_FLAGS, REORDER_BLOCK_INDEX): Remove.
514 (REORDER_BLOCK_ADD_JUMP, REORDER_BLOCK_EFF_HEAD): Remove.
515 (REORDER_BLOCK_EFF_END, REORDER_BLOCK_SCOPE): Remove.
517 (reorder_index, reorder_last_visited): Remove.
518 (skip_insns_after_block): Rewrite to use a switch.
519 (get_common_dest): Remove.
520 (chain_reorder_blocks): Remove.
521 (record_effective_endpoints): Split out from reorder_basic_blocks.
522 (make_reorder_chain): Likewise. Loop until all blocks are placed.
523 (make_reorder_chain_1): Renamed from old make_reorder_chain.
524 Only construct the reorder chain, do not move insns. Try harder
526 (label_for_bb, emit_jump_to_block_after): New.
527 (fixup_reorder_chain): Use them. Do bulk block movement. Examine
528 and adjust the jump insns appropriately. Fixup basic_block_info.
529 (verify_insn_chain): Always define.
530 (relate_bbs_with_scopes): Call xmalloc, not xcalloc. Fix thinko
532 (make_new_scope): Don't write zeros to calloc'd space.
533 (build_scope_forest): Rely on xrealloc to DTRT.
534 (reorder_basic_blocks): Don't build loop nest. Don't fail if
535 profile_arc_flag. Streamline EH test.
537 * flow.c (redirect_edge_succ, redirect_edge_pred): New.
538 * basic-block.h: Declare them.
540 2000-05-25 Alexandre Oliva <aoliva@cygnus.com>
542 * emit-rtl.c (reset_used_decls): New function.
543 (unshare_all_rtl_again): Call it.
545 2000-05-25 Zack Weinberg <zack@wolery.cumb.org>
547 * cpplex.c (maybe_macroexpand): Warn about function-like
548 macros used in non-function context, if -Wtraditional.
550 2000-05-25 Mark Mitchell <mark@codesourcery.com>
552 * recog.c (peephole2_optimize): Use INSN_P.
554 2000-05-25 Richard Henderson <rth@cygnus.com>
556 * ifcvt.c (seq_contains_jump): New.
557 (noce_try_store_flag_constants): Use it to fail conversion.
558 (noce_try_store_flag_inc, noce_try_store_flag_mask): Likewise.
560 2000-05-25 Mark Mitchell <mark@codesourcery.com>
562 * except.h (can_throw): Declare it.
563 * except.c (can_throw): Give it external linkage.
564 * resource.c (find_dead_or_set_registers): Use can_throw.
566 2000-05-25 Richard Henderson <rth@cygnus.com>
568 * flow.c (mark_set_1): Don't record conditionally dead memory.
570 2000-05-25 Jan Hubicka <jh@suse.cz>
572 * combine.c (try_combine): Use any_condjump_p, any_uncondjump_p
573 and pc_set at the place of simplejump_p and condjump_p.
574 * cse.c (record_jump_equiv): Likewise.
575 * emit-rtl.c (emit): Likewise.
576 * explow.c (find_next_ref): Likewise.
577 * flow.c (tidy_fallthru_edge): Likewise.
578 (init_propagate_block_info): Likewise.
579 * gcse.c (delete_null_pointer_checks): Likewise.
580 * ifcvt.c (cond_exec_get_condition, noce_get_condition,
581 dead_or_predicable): Likewise.
582 * integrate.c (copy_insn_list): Likewise.
583 * loop.c (scan_loop, verify_dominator, find_and_verify_loops,
584 for_each_insn_in_loop, check_dbra_loop, get_condition,
585 insert_bct, load_mems): Likewise.
586 * resource.c (find_dead_or_set_registers): Likewise.
587 * sibcalls.c (simplejump_p): Likewise.
588 * unroll.c (copy_loop_body, reg_dead_after_loop): Likewise.
590 2000-05-25 David Edelsohn <edelsohn@gnu.org>
592 * rs6000.c (expand_block_move): Add 64-bit PowerPC doubleword move
593 to STRING case. Use doubleword STRING move for TARGET_POWERPC64
595 * rs6000.h (CONST_OK_FOR_LETTER_P, 'J'): unsigned HOST_WIDE_INT.
596 (RETURN_ADDR_RTX): Use COUNT and FRAME, not count and frame.
597 (LEGITIMIZE_RELOAD_ADDRESS): unsigned HOST_WIDE_INT high.
598 * rs6000.md: Name various internal patterns.
600 2000-05-25 Jan Hubicka <jh@suse.cz>
602 * jump.c (invert_exp_1): Remove first argument, use pc_set
603 to get the expression.
604 (redirect_exp): Make static; redirect only the pc_set expression,
605 remove first argument.
606 (invert_exp): Remove first argument, make static.
607 (jump_optimize): Use any_condjump_p, any_uncondjump_p and
608 any_onlyjump at most places where we originaly did condjump_p
610 (jump_back_p, follow_jumps, thread_jumps): Likewise.
611 (delete_barrier_succesors): Use pc_set.
612 (invert_jump_1, invert_jump, redirect_jump_1, redirect_jump): Update
613 calls of invert_exp and redirect_exp.
614 * rtl.h (redirect_exp, invert_exp): Remove.
615 * unroll.c (copy_loop_body): Use invert_jump and redirect_jump.
617 2000-05-25 Richard Henderson <rth@cygnus.com>
619 * stmt.c (expand_end_bindings): Fix thinko last change.
621 2000-05-25 Andrew MacLeod <amacleod@cygnus.com>
622 Andrew Haley <aph@cygnus.com>
624 * except.c (func_eh_entry): Add emitted field.
625 (new_eh_region_entry): Set emitted field to 0;
626 (output_exception_table_entry): Only emit previously un-emitted data,
627 and send it to the eh_data section.
628 (output_exception_table): Break out common parts. Output
629 exception table for entire compilation unit to eh_data section.
630 (output_exception_table_data): Common parts of output_exception_table.
631 Send output to eh_data section.
632 (output_function_exception_table): Output exception table data for
633 a single function to eh_data section.
634 (free_exception_table): New external to free the table.
635 * except.h (free_exception_table): Add prototype.
636 (output_function_exception_table): Add prototype.
637 * final.c (final_end_function): Output function exception table
638 for IA64_UNWIND_INFO.
639 (final_scan_insn): Emit any unwind directives for an insn.
641 * frame-dwarf2.c: New file containing all DWARF 2 specific code
643 * frame.c: Remove all DWARF 2 specific code.
644 * config/ia64/frame-ia64.c: New file.
645 (gthread_stuff): Make all gthread available with
647 (dwarf_fde): Define an IA64 struct for dwarf_fde.
648 (__register_frame_info, __register_frame): Move to common area of file.
649 (__register_frame_info_table, __register_frame_table): Move to common i
651 (__deregister_frame_info, __deregister_frame): Move to common area.
652 (__frame_init, find_fde): New versions for IA64_UNWIND_INFO.
653 (read_uleb128): New version for ia64.
654 (get_unwind_record): Read the next IA-64 unwind record.
655 (read_R_record): Read a region header record.
656 (process_a_b_reg_code): X record helper.
657 (read_X_record): Read an X format record.
658 (read_B_record): Read a B format record.
659 (P3_record_types): List of record types matching the P3 format.
660 (P7_record_types): List of record types matching the P7 format.
661 (P8_record_types): List of record types matching the P8 format.
662 (read_P_record): Read a P format record.
663 (init_ia64_reg_loc): Set default fields for a register.
664 (init_ia64_unwind_frame): Set defaults for all register records.
665 (execute_one_ia64_descriptor): Execute one descriptor record.
666 (rse_address_add): Calculate the position of a local reg in memory.
667 (normalize_reg_loc): Turn a location descriptor into a memory address.
668 (maybe_normalize_reg_loc): Only normalize a descriptor if it falls
669 within a specified PC offset range.
670 (get_real_reg_value): Given a register location, retrieve its value.
671 (set_real_reg_value): Change the value of a register location.
672 (copy_reg_value): Copy reg values, if needed.
673 (copy_saved_reg_state): Copy all registers that need to be copied.
674 (process_state_between): Normalize all frame register records that
675 fall within the specified PC range.
676 (frame_translate): Take a processed frame description, and turn
677 everything into addresses.
678 (build_ia64_frame_state ): Find and create frame state record for a PC.
679 (get_personality): Get the personality routine for a given frame.
680 (get_except_table): Get the exception table for a given frame.
681 (record_name): Unwind record names for debugging.
682 (print_record): Print and unwind record.
683 (print_all_records): Print an entire unwind image.
684 (__ia64_backtrace): Print a backtrace.
685 (ia64_backtrace_helper): New function.
686 (__register_frame_info_aux): New function.
687 * config/ia64/crtend.asm (__do_frame_setup_aux): New function.
689 * frame.h (enum unw_record_type): New unwind record types.
690 (struct unw_p_record, unw_b_record, unw_x_record) : New unwind records.
691 (struct unw_r_record, unwind_record): New unwind record structs.
692 (struct unwind_info_ptr): Unwind information layout.
693 (IA64_UNW_LOC_TYPE_*): Macros for different types for location
695 (struct ia64_reg_loc): Register location description.
696 (struct ia64_frame_state): Location of all registers in a frame.
697 (struct object): Add pc_base and fde_end for IA64_UNWIND_INFO.
698 * libgcc2.c (__ia64_personality_v1): Personality routine.
699 (__calc_caller_bsp): Calculate the bsp register for the caller's
701 (ia64_throw_helper): Figure out who to return to and set up the
703 (__throw): Throw routine.
705 * output.h (assemble_eh_align, assemble_eh_label): New functions
706 to generate EH info where we want it.
707 (assemble_eh_integer): New function.
708 * toplev.c (compile_file): Output module level exception table for
710 (main): Set exceptions_via_longjump and flag_new_exceptions based
711 on IA64_UNWIND_INFO too.
713 * varasm.c (assemble_eh_label): Generate a label via
714 ASM_OUTPUT_EH_LABEL if it has been specified.
715 (assemble_eh_align): Generate an alignment directive via
716 ASM_OUTPUT_EH_ALIGN if it has been specified.
717 (assemble_eh_label): Generate an integer value via
718 ASM_OUTPUT_EH_type if they have been specified.
719 * config/ia64/ia64.c (rtx_needs_barrier): Add flushrs.
720 (ia64_init_builtins): Add __builtin_ia64_bsp
721 and __builtin_ia64_flushrs.
722 (ia64_expand_builtin): Add IA64_BUILTIN_BSP and
723 IA64_BUILTIN_FLUSHRS.
724 * config/ia64/ia64.h (ia64_builtins): Add IA64_BUILTIN_BSP and
725 IA64_BUILTIN_FLUSHRS.
727 * config/ia64/ia64.md (flushrs): New insn to flush the register
728 stack. Add to unspec list.
730 * config/ia64/crtbegin.asm (frame_object): Change size.
731 (__do_frame_setup_aux): New function.
732 * config/ia64/crtend.asm: call __do_frame_setup_aux.
733 * config/ia64/t-ia64 (LIB2ADDEH): Add.
734 * Makefile.in (LIB2ADDEH): Add.
735 (LIB2ADD): Use LIB2ADDEH.
737 2000-05-24 Richard Henderson <rth@cygnus.com>
739 * recog.c (offsettable_address_p): If mode size is zero, assume
742 2000-05-24 J. David Anglin <dave@hiauly.hia.nrc.ca>
744 * configure.in: Check for -Wno-long-long option support and improve
745 handling of warning CFLAGS for stages 1 and 2.
746 * Makefile.in (WARN_CFLAGS): Move definition to configure.in.
747 * configure: Regenerate.
749 Wed May 24 19:37:53 2000 Jeffrey A Law (law@cygnus.com)
751 * gcc.texi: Remove contributor list. Instead include contrib.texi.
752 * contrib.texi: New file.
754 Thu May 25 02:27:22 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
756 * loop.c (basic_induction_var): Avoid double recording of an increment.
758 Thu May 25 02:19:27 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
760 * Back out this patch:
761 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
762 * loop.h (struct induction): Add multi_insn_incr.
763 * loop.c (basic_induction_var): New multi_insn_incr argument.
764 Set it if we search back through previous insns for the biv.
765 (record_biv): New multi_insn_incr argument; fill in struct induction.
766 (strength_reduce): Discard an iv with multiple bivs, any of
767 which require multiple insns to increment.
769 * loop.c (check_insn_for_bivs): Remove bits copied from above patch.
771 Thu May 25 02:09:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
773 * rtl.h (loc_mentioned_in_p): Declare.
774 * reload.c (loc_mentioned_in_p): Moved from here...
775 * rtlanal.c (loc_mentioned_in_p): to here. No longer static.
776 Fix loop increment for 'E' handling.
777 * loop.c (strength_reduce): When doing biv->giv conversion,
778 take multi-insn biv increments into account.
780 2000-05-24 Jason Merrill <jason@casey.soma.redhat.com>
782 * stmt.c (expand_end_bindings): Look through NOTEs to find a
785 2000-05-24 Mark Mitchell <mark@codesourcery.com>
787 * calls.c (expand_call): Handle cleanups in tail-recursion
788 arguments analagously to cleanups in sibling calls.
790 2000-05-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
792 * simplify-rtx.c: Rename macro SIGN_EXTEND to HWI_SIGN_EXTEND.
795 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
797 * expr.c (expand_assignment, store_expr, expand_expr,
798 expand_expr_unaligned): Set in_check_memory_usage while emitting
799 chkr_check_addr libcall.
801 2000-05-24 Nick Clifton <nickc@cygnus.com>
803 * fold-const.c (extract_muldiv): When constructing a
804 multiplier/divisor, do not expect const_binop to correctly
805 determine if overflow has occured, so check explicitly.
807 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
809 * c-decl.c (build_enumerator): Don't modify the value's type,
812 2000-05-24 Andreas Jaeger <aj@suse.de>
814 * mips.h (LINKER_ENDIAN_SPEC): Pass -EL to linker by default.
816 2000-05-24 Eric Christopher <echristo@cygnus.com>
818 * configure.in: Redefine inhibit_libc conditions.
819 * libgcc2.c: Remove inhibit_libc conditional define.
820 * configure: Regenerate.
822 2000-05-24 Phil Edwards <pme@sourceware.cygnus.com>
824 * configure.in: For --enable-languages=LIST, check for empty LIST.
825 * configure: Regenerate.
827 2000-05-24 Lars Brinkhoff <lars@nocrew.org>
829 * pdp11.h (STACK_BOUNDARY): Define.
831 2000-05-24 Jakub Jelinek <jakub@redhat.com>
833 * ifcvt.c (if_convert): Update life info globally.
835 2000-05-24 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
837 * emit-rtl.c (unshare_all_decls): New function.
838 (unshare_all_rtl): Call it.
840 2000-05-23 Nick Clifton <nickc@cygnus.com>
842 * configure.in: Treat 'strongarm' as if it were 'arm' when
843 determining cpu type.
845 * configure: Regenerate.
847 * config/arm/arm.c: Change 'char *' to 'const char *' for cases
848 where constant strings are involved.
850 * config/arm/arm.h (arm_condition_codes): Change type to 'const
853 * config/arm/arm-protos.h: Change 'char *' to 'const char *' for
854 cases where constant strings are involved.
856 Tue May 23 15:08:31 2000 Clinton Popetz <cpopetz@cygnus.com>
858 * config/sh/sh.c (gen_far_branch, split_branches): Update
859 to reflect new prototypes for redirect_jump and invert_jump.
860 (sh_insn_length_adjustment): Get rid of const warnings.
862 2000-05-23 Kazu Hirata <kazu@hxi.com>
864 * invoke.texi (Options for Debugging Your Program or GCC): Update
865 the names of dump files.
867 Tue May 23 13:58:52 2000 Philippe De Muyter <phdm@macqel.be>
869 * configure.in (NO_MINUS_C_MINUS_O): Fix thinko in previous fix.
870 * configure: Regenerated.
872 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
874 * simplify-rtx.c (SIGN_EXTEND): New macro.
875 (simplify_unary_operation, simplify_binary_operation,
876 simplify_relational_operation): Use SIGN_EXTEND. Make low
877 halves of (low, high) pairs unsigned if they weren't already.
878 (simplify_ternary_operation): Cast INTVAL to unsigned before
879 comparing to a MODE_BITSIZE.
881 2000-05-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
883 * aclocal.m4 (gcc_AC_CHECK_DECL, gcc_AC_CHECK_DECLS): New macros
884 rewritten from the internals of gcc_AC_NEED_DECLARATION{S}.
886 * configure.in (gcc_AC_CHECK_DECLS): Call this instead of
887 gcc_AC_NEED_DECLARATIONS.
889 * dwarfout.c: Don't prototype time().
891 * gcc.c: Check HAVE_DECL_* instead of NEED_DECLARATION_*.
893 * system.h: Likewise.
895 * toplev.c: Likewise.
897 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
899 * c-decl.c (pushdecl): Invert sense of test for non-global types.
901 Tue May 23 18:11:42 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
903 * reload1.c (reload_cse_move2add): Honor TRULY_NOOP_TRUNCATION.
905 2000-05-23 Jonathan Larmour <jlarmour@redhat.co.uk>
907 * config/mips/elf64.h (CTOR_LISTS_DEFINED_EXTERNALLY): Define
909 Tue May 23 06:50:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
911 * config/alpha/alpha.c: Remove #ifdef HAIFA since now only scheduler.
912 (alpha_start_function): Never write ..ng label if VMS or NT.
913 (alpha_align_insns): Remove GP_IN_USE arg.
914 Alignment now unsigned.
915 (alpha_reorg): Don't pass GP_IN_USE arg to alpha_align_insns.
916 * config/alpha/alpha.md (prologue_ldgp): Split into one define_expand
917 and two define_insn's.
919 2000-05-22 Richard Henderson <rth@cygnus.com>
921 * combine.c (simplify_comparison): Use trunc_int_for_mode.
923 2000-05-22 Richard Henderson <rth@cygnus.com>
925 * stor-layout.c (place_field): Change rli->size to rli->offset.
927 2000-05-22 Richard Henderson <rth@cygnus.com>
929 * function.c (thread_prologue_and_epilogue_insns): Make sure
930 existing line number notes appear after the prologue.
932 Mon May 22 21:49:00 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
934 * config/alpha/alpha.c (alpha_fnname): New static variable.
935 (print_operand, case '~'): New case.
936 (alpha_expand_prologue): Emit prologue_ldgp insn if needed.
937 (alpha_start_function): Set alpha_fnname.
938 Write "ng" label if no ldgp; don't write ldgp insn.
939 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): New case '~'.
940 * config/alpha/alpha.md (prologue_ldgp): New define_insn.
942 Mon May 22 11:30:48 2000 Clinton Popetz <cpopetz@cygnus.com>
944 * jump.c (jump_optimize_1): Don't increment LABEL_NUSES
947 2000-05-22 Zack Weinberg <zack@wolery.cumb.org>
949 * varasm.c (eh_frame_section): Revert change to argument list.
951 Mon May 22 13:14:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
953 * optabs.c (can_extend_p): Allow unsignedp to have any nonzero value.
954 (gen_extend_insn, can_fix_p, can_float_p): Likewise.
956 * final.c (final_scan_insn, case NOTE_INSN_FUNCTION_BEG): Remove
957 dangling "else" that causes "break" to be conditional.
958 Also remove unneeded code at start.
960 Mon May 22 17:31:35 2000 Philippe De Muyter <phdm@macqel.be>
962 * m68k/m68k.h (STORE_FLAG_VALUE): Macro set to (-1), not -1.
963 * fx80/fx80.h, i370/i370.h, m88k/m88k.h (STORE_FLAG_VALUE): Ditto.
964 * gmicro/gmicro.h, we32k/we32k.h (STORE_FLAG_VALUE): Ditto.
966 2000-05-22 Jakub Jelinek <jakub@redhat.com>
968 * config/sparc/sparc.md (movdf_insn_v9only_vis): fzero has
971 Mon May 22 06:57:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
973 * alias.c (record_component_aliases): New function.
974 * tree.h: Clean up some declarations and comments.
975 (record_component_aliases): New declaration.
976 * tree.c (get_alias_set): If type and has alias set, use it.
978 2000-05-22 Richard Henderson <rth@cygnus.com>
980 * simplify-rtx.c (simplify_ternary_operation): Try to simplify
981 IF_THEN_ELSE to a setcc form.
982 * jump.c (can_reverse_comparison_p): Be prepared for insn null.
984 2000-05-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
986 * fixinc/inclhack.def (sun_malloc): Handle `calloc'.
987 (sun_malloc, sysz_stdtypes_for_sun): Add test_text.
989 Sun May 21 16:42:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
991 * combine.c (try_combine): Handle i3_subst_into_i2 case when I2 is
994 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
996 * config/mn10300/mn10300.md (movdi, movdf): 64-bit clean-up.
997 * config/mn10300/mn10300.c (print_operand): Likewise.
999 * final.c (split_double): Right shift of negative values is not
1002 * ifcvt.c (if_convert): Scan and kill dead code.
1004 * emit-rtl.c (unshare_all_rtl): Store the copied rtx.
1006 2000-05-20 Zack Weinberg <zack@wolery.cumb.org>
1008 * diagnostic.c: Eliminate implicit int.
1009 * except.c, gcc.c: Add static prototypes.
1010 * final.c (final_end_function): Mark file arg ATTRIBUTE_UNUSED.
1011 * gensupport.c (process_rtx): Use XVEC to initialize vector
1014 * print-rtl.c: If DEBUG_REGISTER_NAMES, define static
1015 debug_reg_names instead of static reg_names. If not, define
1017 * regclass.c: Don't define global reg_names unless
1018 DEBUG_REGISTER_NAMES is defined.
1020 * reload1.c (order_regs_for_reload): Remove unused variable.
1021 * varasm.c: Include output.h after defaults.h. Define
1022 eh_frame_section as function of no args, not of unspecified args.
1024 * gcc.c: Constify argbuf; arguments to store_arg,
1025 process_command, main; elements of struct command and struct
1026 switchstr; local variables in execute, process_command, main.
1028 2000-05-20 Bruce Korb <bkorb@gnu.org>
1030 * fixinc/inclhack.def: many applications of c_fix=format + tests
1031 * fixinc/check.diff: regenerated
1032 * fixinc/fixincl.x: regenerated
1034 Sat May 20 09:30:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1036 * alias.c: Clarify some comments.
1037 (record_base_value): REGNO is unsigned.
1038 * rtl.h (record_base_value): Likewise.
1040 * alias.c (aliases_everything_p): Don't special-case QImode here.
1041 * c-common.c (c_get_alias_set): Do it here.
1042 Handle BIT_FIELD_REF by getting alias info for arg.
1045 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
1047 * mklibgcc.in: Restore rule to create ${dir}.
1049 Sat May 20 08:45:41 2000 H.J. Lu <hjl@gnu.org>
1051 * Makefile.in (libgcc.mk): Depend on xgcc$(exeext) for
1052 GCC_FOR_TARGET used by MULTILIBS.
1053 * mklibgcc.in: Make sure each .o file depends on the
1054 directory it will be in.
1055 Make the multilib directory depends libgcc.
1057 Sat May 20 08:29:28 2000 H.J. Lu <hjl@gnu.org>
1059 * Makefile.in (bootstrap): Unset LANG_LIB2FUNCS for stage 1.
1061 Sat May 20 07:27:35 2000 Alexandre Oliva <aoliva@cygnus.com>
1063 * fold-const.c (make_range): Handle degenerated intervals.
1064 Fixes c-torture/execute/991221-1.c
1066 Fri May 19 18:16:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1068 * cse.c (cse_basic_block): Only call find_reg_note if REG_NOTES not 0.
1069 * reload.c (find_equiv_reg): Likewise.
1070 * alias.c (init_alias_analysis): Likewise.
1071 Only call prologue_epilogue_contains on insns.
1072 * basic-block.h (REG_SET_TO_HARD_REG_SET): Call new function.
1073 * bb-reorder.c (hard-reg-set.h): Include earlier.
1074 * haifa-sched.c (hard-reg-set.h): Likewise.
1075 * ifcvt.c (hard-reg-set.h): Likewise.
1076 * local-alloc.c (hard-reg-set.h): Likewise.
1077 * loop.c (hard-reg-set.h): Likewise.
1078 * predict.c (hard-reg-set.h): Likewise.
1079 * regrename.c (hard-reg-set.h): Likewise.
1080 * flow.c (hard-reg-set.h): Likewise.
1081 (reg_set_to_hard_reg_set): New function.
1082 * bitmap.c (regs.h, basic-block.h): No longer include.
1083 (bitmap.h): Now include.
1084 * conflict.c (hard-reg-set.h): Include.
1085 * profile.c (hard-reg-set.h): Likewise.
1086 * print-rtl.c (hard-reg-set.h): Likewise.
1087 * sbitmap.c (hard-reg-set.h): Likewise.
1088 * toplev.c (hard-reg-set.h): Likewise.
1089 * unroll.c (hard-reg-set.h, basic-block.h): Likewise.
1090 * hard-reg-set.h (reg_names): Now constant.
1091 * regs.h (reg_names): Likewise.
1092 * regclass.c (reg_names): Likewise.
1093 * loop.h (basic-block.h): No longer include.
1094 (bitmap.h): Now include.
1095 * reload1.c (order_regs_for_reload): Avoid loop over reg sets.
1096 * Makefile.in (LOOP_H, sbitmap.o, profile.o): Reflect above changes.
1097 (toplev.o, print-rtl.o, conflict.o, unroll.o, bitmap.o): Likewise.
1099 2000-05-19 Jan Hubicka <jh@suse.cz>
1100 Richard Henderson <rth@cygnus.com>
1102 * basic-block.h (struct edge_def): New field "count".
1103 (struct basic_block_def): Likewise.
1104 * flow.c (entry_exit_blocks): Add count fileds.
1105 (split_edge): Keep count information up-to-date.
1106 (dump_edge_info, dump_flow_info): Dump count fields.
1108 * final.c (count_instrumented_edges): Rename to edge from arc.
1109 (end_final): Update users.
1110 * profile.c: Include expr.h, basic-block.h.
1111 (struct adj_list, ARC_TARGET, ARC_SOURCE, ARC_COUNT): Kill.
1112 (struct bb_info, label_to_bb, label_to_bb_size, bb_graph): Kill.
1113 (ignore_next_note, return_label_execution_count): Kill.
1114 (bbg_file_name, da_file_name): Kill.
1115 (edge_info, bb_info): New structures.
1116 (EDGE_INFO, BB_INFO, GCOV_INDEX_TO_BB, BB_TO_GCOV_INDEX): New macros.
1117 (count_instrumented_edges, total_num_edges): Rename to edge from arc.
1118 (total_num_edges_instrumented): Likewise.
1119 (init_arc, expand_spanning_tree): Kill.
1120 (fill_spanning_tree, tablejump_entry_p): Kill.
1121 (instrument_edges): Rewrite from instrument_arcs to use
1122 commit_edge_insertions infrastructure.
1123 (compute_branch_probabilities): Remove arguments; rewrite for
1124 CFG infrastructure; use rtl_dump_file directly.
1125 (branch_prob, find_spanning_tree): Likewise.
1126 (union_groups, find_group): New.
1127 (init_branch_prob): Make bbg_file_name and da_file_name local.
1128 (end_branch_prob): Use rtl_dump_file directly.
1129 (init_edge_profiler): Rename to edge from arc.
1130 (output_arc_profiler): Kill.
1131 (gen_edge_profiler): New.
1132 (output_func_start_profiler): Turn off profiling. Make the
1133 constructor static when we can.
1134 * rtl.h (branch_prob, end_branch_prob): Update prototypes.
1136 * toplev.c (DFI_flow): Remove.
1137 (DFI_cfg, DFI_life): New.
1138 (dump_file): Update accordingly.
1139 (compile_file): Call end_branch_prob if profile_arc_flag too.
1140 (rest_of_compilation): Move flow1 cfg creation to DFI_cfg. Do edge
1141 profiling after the CFG is built. Move flow1 life analysis to
1142 DFI_life. Always estimate remaining probabilities.
1144 2000-05-19 Richard Henderson <rth@cygnus.com>
1146 * ifcvt.c (find_if_case_2): Don't allow THEN to be EXIT.
1148 * flow.c (make_edges): The sibling call edge to exit is abnormal.
1150 2000-05-19 Richard Henderson <rth@cygnus.com>
1152 * jump.c (redirect_jump): Add delete_unused argument. Don't
1153 remove labels and code following when LABEL_NUSES goes to zero.
1154 (invert_jump): Likewise.
1155 (jump_optimize_1): Fix redirect/invert arguments.
1156 (do_cross_jump, thread_jumps): Likewise.
1157 * flow.c (split_edge): Likewise.
1158 * reorg.c (optimize_skip): Likewise.
1159 (reorg_redirect_jump, relax_delay_slots, dbr_schedule): Likewise.
1160 * profile.c (instrument_arcs): Likewise.
1161 * loop.c (find_and_verify_loops): Likewise. Fix indentation.
1162 * rtl.h: Update prototypes.
1164 Fri May 19 12:05:13 2000 Clinton Popetz <cpopetz@cygnus.com>
1166 * ssa.c (convert_from_ssa): Tell life_analysis we need death
1168 (make_regs_equivalent_over_bad_edges): Only look at abnormal
1171 2000-05-19 Zack Weinberg <zack@wolery.cumb.org>
1173 * cpphash.c (funlike_macroexpand): Make sure not to walk p1
1174 past l1 when deleting whitespace and markers.
1176 * cpplex.c (_cpp_scan_until): Clear AUX field of tokens.
1177 * cpplib.c (do_unassert): Put the list to compare against on
1180 2000-05-19 Bruce Korb <bkorb@gnu.org>
1182 * fixinc/README: cleaned up old documentation
1183 * fixinc/check.diff: regenerated & verified on OSR5 on ix86
1184 * fixinc/check.tpl: compute the list of needed directories
1185 emit "#if defined(name)" because of conflict
1186 omit machine name differences from output differences
1187 * fixinc/inclhack.def( m88k_multi_incl ): Use `wrap' function
1188 (machine_name): change test text to use `sed' markers
1189 * fixinc/fixincl.x: regen
1191 Fri May 19 06:49:35 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1193 * config/elfos.h (SELECT_SECTION): Don't access DECL_INITIAL of
1196 2000-05-18 Chris Demetriou <cgd@sibyte.com>
1198 * gcc.texi (MULTILIB_EXCEPTIONS): Correct example and update
1199 it to match the current practice.
1201 2000-05-18 Mark Mitchell <mark@codesourcery.com>
1203 * Makefile.in (STAGESTUFF): Fix typo in spelling of s-under.
1205 2000-05-18 Richard Henderson <rth@cygnus.com>
1207 * rtlanal.c (insn_dependant_p, insn_dependant_p_1): New.
1208 * rtl.h (insn_dependant_p): Declare it.
1209 * loop.c (strength_reduce): Use it.
1211 2000-05-18 Alexandre Oliva <aoliva@cygnus.com>
1213 * config/mn10300/mn10300.c (expand_prologue, expand_epilogue):
1214 16-bit and 64-bit clean-up.
1216 2000-05-18 Mark Elbrecht <snowball3@bigfoot.com>
1218 * configure.in (*-pc-msdosdjgpp): Set float_format to none.
1219 * configure: Rebuilt.
1221 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
1223 * genopinit.c: Use $ for escape sequences in optab patterns.
1224 Remove backslashes from optab patterns. Change $A, $B, $C to
1225 expand to (int) whatever instead of just whatever; remove
1226 explicit (int) from all optab patterns.
1228 * gensupport.c (xmalloc, xrealloc, xstrdup): Provide.
1229 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c,
1230 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
1231 genrecog.c: Remove private copies of xmalloc, xrealloc, and
1234 2000-05-18 Richard Henderson <rth@cygnus.com>
1236 * jump.c (jump_optimize_1): Base minimum insn count during
1237 find_cross_jump on BRANCH_COST.
1239 2000-05-18 Jakub Jelinek <jakub@redhat.com>
1241 * print-rtl.c (print_rtx): Only print note line number as string
1242 if between NOTE_INSN_BIAS and NOTE_INSN_MAX.
1243 * final.c (final_scan_insn): Do nothing for note line number 0.
1245 2000-05-18 Jakub Jelinek <jakub@redhat.com>
1247 * gcc-common.c (ggc_mark_rtx_children): Mark NOTE_EXPECTED_VALUE
1248 from NOTE_INSN_EXPECTED_VALUE notes and NOTE_SOURCE_FILE from
1249 NOTE_INSN_DELETED_LABEL.
1251 2000-05-18 Nick Clifton <nickc@cygnus.com>
1253 * config/arm/unknown-elf.h (UNIQUE_SECTION): Place constant,
1254 uninitialised data in .rodata not .bss, and do not interpret an
1255 error in the initialisation value as meaning that the variable
1256 should be placed in the .bss section.
1258 Thu May 18 12:10:18 2000 Philippe De Muyter <phdm@macqel.be>
1260 * configure.in (NO_MINUS_C_MINUS_O): Test `$ac_cv_prog_cc_${ac_cc}_c_o',
1261 not `$ac_cv_prog_cc_cc_c_o'.
1262 * configure: Regenerated.
1264 2000-05-18 Chris Demetriou <cgd@sibyte.com>
1265 Richard Henderson <rth@cygnus.com>
1267 * c-common.h (enum c_tree_index): Add g77 type entries.
1268 (g77_integer_type_node, g77_uinteger_type_node): New.
1269 (g77_longint_type_node, g77_ulongint_type_node): New.
1270 * c-decl.c (init_decl_processing): Initialize them.
1272 2000-05-18 Richard Henderson <rth@cygnus.com>
1274 * config/h8300/h8300.md (subs patterns): Use %G to negate.
1276 * config/h8300/h8300.c (ok_for_bclr): Take a HOST_WIDE_INT.
1277 (small_power_of_two): Likewise; use exact_log2.
1278 (adds_subs_operand, one_insn_adds_subs_operand): Remove.
1279 (output_adds_subs): Remove.
1280 (two_insn_adds_subs_operand): New.
1281 (split_adds_subs): New.
1282 * config/h8300/h8300-protos.h: Update.
1283 * config/h8300/h8300.h (CONST_OK_FOR_J): Cast to uns HOST_WIDE_INT.
1284 (CONST_OK_FOR_L): Match strict adds operands.
1285 (CONST_OK_FOR_N): Match struct subs operands.
1286 * config/h8300/h8300.md (adds_subs insns): Remove.
1287 (addhi patterns): Output adds/subs directly.
1288 (addsi_h8300h): Likewise.
1289 (addhi/addsi splitters): New. Decompose two_insn_adds_subs_operand.
1291 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
1293 * cppexp.c (parse_assertion): New.
1294 (lex): Call it for CPP_HASH. Remove CPP_ASSERTION case.
1295 (_cpp_parse_expr): Remove case '#'. Don't set
1296 parsing_if_directive.
1297 * cpphash.c (collect_objlike_expansion,
1298 collect_funlike_expansion, collect_params,
1299 _cpp_create_definition): The list no longer has a trailing
1301 * cpphash.h (enum node_type): Add T_ASSERTION.
1302 (struct hashnode): Remove aschain, add pred.
1303 (struct predicate): New.
1306 * cpplex.c (expand_token_space): Handle both offset and
1308 (init_token_list, _cpp_free_token_list, _cpp_parse_assertion): Delete.
1309 (_cpp_init_toklist, _cpp_clear_toklist, _cpp_free_toklist,
1310 _cpp_slice_toklist, _cpp_squeeze_toklist, _cpp_equiv_tokens,
1311 _cpp_equiv_toklists): New.
1312 (_cpp_scan_line): Rename to _cpp_scan_until; add ability to
1313 stop at any single-character token, not just newline.
1314 (_cpp_lex_token): Remove special cases for #define and #if.
1315 (cpp_get_token): Expect # as a separate token type. Remove
1317 (_cpp_get_directive_token): Remove DIRECTIVE case.
1318 (_cpp_lex_line, _cpp_lex_file, _cpp_init_input_buffer): Update.
1320 * cpplib.c (_cpp_check_directive): Set dirno and
1321 SYNTAX_INCLUDE bit of flags, not dir_handler and dir_flags.
1322 (_cpp_handle_directive): Run # <number> through the same logic
1323 as normal directives.
1324 (do_define): Don't set parsing_define_directive. Use
1325 _cpp_scan_until. The list does not have a VSPACE at the end.
1326 (do_if): Save, clear, and restore only_seen_white around
1328 (skip_if_group): s/CPP_DIRECTIVE/CPP_HASH/
1329 (do_assert, do_unassert): Rewrite.
1331 * cpplib.h (TTYPE_TABLE): Remove CPP_ASSERTION.
1332 (LIST_OFFSET): New flag.
1333 (struct cpp_toklist): Replace dir_handler and dir_flags with
1335 (struct cpp_reader): Remove parsing_if_directive and
1336 parsing_define_directive.
1338 2000-05-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1340 * fixinc/inclhack.def (broken_cabs): Update fix to handle comments
1341 following the cabs decl which terminate on the following line.
1342 Add the corresponding test_text case.
1344 2000-05-18 Neil Booth <NeilB@earthling.net>
1346 * cppinit.c (cpp_reader_init): Initialise col_adjust and
1347 default tab stop size.
1348 (no_num, OPT_ftabstop): New.
1349 (handle_option): Handle "ftabstop=" command-line option.
1350 (print_help): Document it.
1351 * cpplex.c (COLUMN): Remove.
1352 (handle_newline): Reset col_adjust.
1353 (skip_whitespace): Update col_adjust as tabs encountered.
1354 (_cpp_lex_line): Update to use col_adjust. Call
1355 skip_whitespace for all whitespace.
1356 * cpplib.h (struct cpp_options): New member tabstop.
1357 (struct cpp_reader): New member col_adjust.
1358 (CPP_BUF_COL): Update.
1359 (CPP_BUF_COLUMN): New.
1360 * cpp.texi: Document "-ftabstop=" command line option.
1362 Wed May 17 18:19:41 2000 Philippe De Muyter <phdm@macqel.be>
1364 * configure.in (NO_MINUS_C_MINUS_O): Macro made availabe for AC_OUTPUT
1366 * configure: Rebuilt.
1368 Wed May 17 18:06:12 2000 John David Anglin <dave@hiauly1.hia.nrc.ca>
1370 * mklibgcc.in Add missing -DL$name when compiling modules in libgcc1.c.
1372 * tree.c (build_common_tree_nodes): Do not build TI nodes unless
1373 HOST_BITS_PER_WIDE_INT is >= 64.
1375 2000-05-17 Richard Henderson <rth@cygnus.com>
1377 * jump.c (jump_optimize_1): Remove inactive but real insns
1378 in jump-to-next-insn optimization.
1380 2000-05-17 Richard Henderson <rth@cygnus.com>
1382 * toplev.c (rest_of_compilation): Don't call optimize_mode_switching
1383 unless OPTIMIZE_MODE_SWITCHING. Conditionally set no_new_pseudos.
1384 Don't call recompute_reg_usage if no_new_pseudos is true.
1385 * lcm.c (optimize_mode_switching): Move ifdefs outside function.
1386 Return true if we did work; update global life information.
1387 * basic-block.h (optimize_mode_switching): Update decl.
1389 2000-05-17 Neil Booth <neilb@earthling.net>
1391 * cpplex.c (expand_name_space): Don't use ptrdiff_t.
1393 2000-05-17 Zack Weinberg <zack@wolery.cumb.org>
1395 * cpplib.c: New feature, #pragma system_header.
1396 * cpp.texi: Document special treatment of system headers, and
1397 the various mechanisms to get a header that special treatment.
1399 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1401 * system.h (offsetof): Define at the very end, to ensure we prefer
1402 the platform's definition if available.
1404 2000-05-16 Bruce Korb <bkorb@gnu.org>
1406 * fixinc/fixincl.c: improve the debug displays, ignore SIGPIPE
1407 * fixinc/server.c: likewise
1408 * fixinc/fixfixes.c( char_macro_def_fix ): fix regex
1409 + #ifdef debugging code + use #def constant for
1411 * fixinc/inclhack.def( hpux11_fabsf ): Keep HP-UX 11 from stomping
1412 on C++ math namespace
1414 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1416 * fixinc/fixfixes.c (char_macro_use_fix, char_macro_def_fix):
1417 Don't check the return value of sprintf. Use asprintf to avoid
1420 Wed May 17 17:27:44 2000 Andrew Cagney <cagney@b1.cygnus.com>
1422 * flags.h (warn_unused_function, warn_unused_label,
1423 warn_unused_parameter, warn_unused_variable, warn_unused_value):
1424 Replace ``warn_unused''.
1425 (set_Wunused): Add declaration.
1426 * toplev.c (set_Wunused): New function.
1427 (warn_unused_function, warn_unused_label, warn_unused_parameter,
1428 warn_unused_variable, warn_unused_value): New variables.
1429 (W_options): Add -Wunused-function, -Wunused-function,
1430 -Wunused-label, -Wunused-parameter, -Wunused-variable and
1431 -Wunused-value. Delete -Wunused. Handled in decode_W_option.
1433 * toplev.c (decode_W_option): Update -Wunused flags by calling
1435 * c-decl.c (c_decode_option): Ditto for -Wall.
1437 * stmt.c (expand_expr_stmt, expand_expr_stmt,
1438 warn_about_unused_variables): Replace warn_unused with more
1439 explicit warn_unused_value et.al.
1440 * function.c (expand_function_end): Ditto.
1441 * c-typeck.c (internal_build_compound_expr,
1442 internal_build_compound_expr): Ditto.
1443 * c-decl.c (poplevel, pop_label_level): Ditto.
1444 * toplev.c (check_global_declarations): Replace warn_unused with
1445 check for either warn_unused_function or warn_unused_variable.
1447 * gcc.1, invoke.texi (Warning Options): Document
1448 -Wunused-function, -Wunused-function, -Wunused-label,
1449 -Wunused-parameter, -Wunused-variable and -Wunused-value options.
1451 Wed May 17 10:28:12 2000 Philippe De Muyter <phdm@macqel.be>
1453 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Find libgcc1.c in
1454 $(srcdir), not in the current directory.
1456 2000-05-16 Richard Henderson <rth@cygnus.com>
1458 * config/ia64/crtbegin.asm (__dso_handle): Mark hidden if the
1459 assembler supports it.
1460 (.fini, .init): Use a gp-relative indirect call.
1461 (__do_global_dtors_aux): Preserve the gp; rebundle.
1462 (__do_frame_setup): Likewise.
1463 * config/ia64/crtend.asm (.IA_64.unwind): Don't terminate with -1.
1464 (.init): Use a gp-relative indirect call.
1465 (__do_global_ctors_aux): Preserve the gp.
1467 2000-05-16 Richard Henderson <rth@cygnus.com>
1469 * flow.c (commit_one_edge_insertion): Be prepared for a return
1470 insn to be inserted on the edge with a normal jump.
1471 * jump.c (jump_optimize_1): Don't look to create return isns.
1473 * flow.c (flow_delete_insn): Don't adjust reference count of notes.
1474 * jump.c (jump_optimize_1): Likewise.
1475 (returnjump_p): Verify the argument is a JUMP_INSN.
1476 * rtl.def (NOTE): Add 5th element for NOTE_INSN_DELETED_LABEL.
1478 2000-05-16 Nick Clifton <nickc@cygnus.com>
1480 * config/m32r/m32r.c (small_insn_p): Use INSN_P() to replace
1481 GET_RTX_CLASS (GET_CODE ()) == 'i'.
1482 (large_insn_p): Ditto.
1483 (m32r_is_insn): New function: Return true if the insn contains
1484 an executable instruction.
1485 (m32r_adjust_insn): Use m32r_is_insn.
1486 (m32r_sched_reorder): Use m32r_is_insn.
1487 (m32r_sched_variable_issue): Use m32r_is_insn.
1489 2000-05-16 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1491 * rs6000/rs6000.c (rs6000_select_section): Treat CONSTRUCTOR like
1494 * rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Delete unused variable.
1496 * rs6000/sysv4.h (CPP_OS_LINUX_SPEC): Define __unix and __linux
1497 according to given options.
1499 Tue May 16 12:17:31 2000 Jeffrey A Law (law@cygnus.com)
1501 * mn10200.h (PREFERRED_RELOAD_CLASS): Do not prefer DATA_REGS
1502 if X has VOIDmode either.
1503 (LIMIT_RELOAD_CLASS): Similarly.
1505 * mn10200.md (indirect_jump, tablejump): Use "register_operand",
1506 not "general_operand" to match the processor's capabilities.
1508 2000-05-16 Bruce Korb <bkorb@gnu.org>
1510 * fixinc/README: corrected return address
1511 * fixinc/check.diff: regenerate, now that test works
1512 * fixinc/fixfixes.c(format_fix,format_write): reformatted
1513 (char_macro_def_fix,char_macro_use_fix): corrected and
1514 rewrote to use regex to parse the text
1515 * fixinc/inclhack.def: more testing
1516 * fixinc/fixincl.x: regenerated
1518 * fixinc/inclhack.def: added several "test_text" attributes
1519 changed several fixes to use `c_fix = format'
1520 re-alphabetized the fixes
1522 * fixinc/check.diff: regenerate
1523 * fixinc/fixincl.x: regenerate
1524 * fixinc/check.tpl: added `sparc' and `netinet' to the list
1528 2000-05-16 Alexandre Oliva <aoliva@cygnus.com>
1530 * config/mn10300/mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove.
1532 2000-05-15 Richard Henderson <rth@cygnus.com>
1534 * toplev.c (rest_of_compilation): Run full jump pass before
1535 find_basic_blocks of flow2.
1537 2000-05-15 Richard Henderson <rth@cygnus.com>
1539 * jump.c: Fix typos and clarify commentary from last change.
1540 (any_condjump_p): Verify SET_SRC is an IF_THEN_ELSE.
1541 (safe_to_remove_jump_p): Remove.
1542 (condjump_label): Use pc_set.
1544 2000-05-15 Richard Henderson <rth@cygnus.com>
1546 * ifcvt.c (cond_exec_process_insns): Drop USE and CLOBBER insns
1547 that get in the way after reload.
1548 (cond_exec_process_if_block): Skip a label heading THEN block.
1550 2000-05-15 Richard Henderson <rth@cygnus.com>
1552 * varasm.c (output_constant_pool): Abort instead of converting
1553 (improperly) deleted labels to zero.
1555 2000-05-16 Neil Booth <NeilB@earthling.net>
1557 * cpplex.c (parse_string2): Update comment.
1558 (cpp_lex_line): No special assertion treatment for '('.
1559 * cpplib.c (DIRECTIVE_TABLE): Remove SYNTAX_ASSERT.
1560 * cpplib.h (SYNTAX_ASSERT): Remove.
1562 Mon May 15 21:45:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
1564 * jump.c (condjump_p): Mark as depreached.
1565 (any_condump_p): New.
1566 (any_uncondump_p): New.
1568 (safe_to_remove_jump_p): New.
1569 * rtl.h (any_condump_p, any_uncondjump_p, pc_set
1570 safe_to_remove_jump_p): Declare.
1572 Mon May 15 21:07:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
1574 * calls.c: Re-install both patches reverted by last patch.
1575 (struct arg_data): New field tail_call_reg.
1576 (initialize_argument_information): Initialize tail_call_reg
1577 (load_register_parameters): New argument flags, use
1578 tail_call_reg when emiting tail call sequence.
1579 (expand_call): Update call of load_register_parameters;
1580 copy unadjusted_args_size to adjusted_args_size.
1582 Mon May 15 19:01:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
1584 * loop.c (scan_loop, strength_reduce, loop_optimize): Change unroll_p
1585 and bct_p parameters to flags.
1586 * loop.h (LOOP_UNROLL, LOOP_BCT): New constants.
1587 * rtl.h (loop_optimize): Update prototype.
1588 * toplev.c (rest_of_compilation): Update call of loop_optimize.
1590 2000-05-15 Jakub Jelinek <jakub@redhat.com>
1592 * calls.c (expand_call): Move expand_start_target_temps call after
1595 2000-05-15 Neil Booth <NeilB@earthling.net>
1597 * cpphash.c (trad_stringify, warn_trad_stringify,
1598 collect_params): Make some pointers pointers to const.
1599 * cpplex.c (auto_expand_name_space) Guaranteed to always
1600 expand by at least one character.
1601 (SPELL_CHAR, SPELL_NONE): Temporarily reverse order.
1602 (struct token_spelling): Use const U_CHAR * rather than PTR.
1603 (expand_name_space): Fix up token pointers if name space
1604 is moved when expanding.
1605 (INIT_NAME, cpp_scan_line, parse_name, parse_number,
1606 parse_string2, save_comment, spell_token, cpp_output_list):
1607 Update so the routines handle tokens with a direct pointer to
1608 their text, rather than an offset into the token's list's namebuf.
1609 (_cpp_lex_line): Rearrange for clarity.
1611 * cpplib.c (_cpp_check_directive): Similarly.
1612 (do_define): Make SYM a pointer to const.
1613 * cpplib.h (struct cpp_name): Replace offset with direct pointer.
1614 (CPP_INT, CPP_FLOAT): Spelling type should be SPELL_IDENT.
1615 (TOK_OFFSET): Delete.
1618 2000-05-14 Geoffrey Keating <geoffk@cygnus.com>
1620 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Correct for
1623 * config/rs6000/rs6000.c (logical_operand): Rewrite to take MODE
1625 (logical_u_operand): Delete.
1626 (non_logical_cint_operand): Rewrite to take MODE into account.
1627 (non_logical_u_cint_operand): Delete.
1628 (boolean_operator): New function.
1629 (print_operand): Add new %q operand.
1630 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_operator,
1631 remove logical_u_operand and non_logical_u_cint_operand,
1632 update logical_operand and non_logical_cint_operand.
1633 * config/rs6000/rs6000.md: Rewrite the patterns for performing
1634 logical operations to use %q.
1636 * config/rs6000/rs6000.md (movsi): Don't modify RTL in-place.
1637 (movdi): Make similar to movsi.
1638 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): There
1639 is no such thing as a DImode CONST_DOUBLE.
1640 * config/rs6000/rs6000.c (output_toc): Likewise.
1642 * config/rs6000/rs6000.c (output_cbranch): Don't output prediction
1643 codes when old mnemonics are in use. Print register names
1644 for cc registers when requested.
1646 * optabs.c (expand_float): Don't allow mode widening that causes
1649 * invoke.texi (RS/6000 and PowerPC Options): Update -m64/-m32
1650 flags to their current names -maix64 and -maix32.
1652 2000-05-14 Bruce Korb <bkorb@gnu.org>
1654 * fixinc/fixfixes.c(wrap_fix): new fix - inserts text before
1655 and/or after current text of file
1656 * fixinc/fixlib.c(must_malloc):
1657 * fixinc/fixlib.h(must_malloc): + reformatting
1658 * fixinc/inclhack.def: replace the "1i" and "$a" sed commands
1659 with usages of ``c_fix = wrap;''
1660 Add several tests and use the ``c_fix = format'' fixer more.
1661 * fixinc/fixincl.x: regen
1662 * fixinc/check.diff: regen
1663 * fixinc/check.tpl: emit the associated header with the missing
1666 Sun May 14 17:58:59 2000 Hans-Peter Nilsson <hp@axis.com>
1668 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Do not use unset
1669 variables $src and $dst.
1671 2000-05-13 Gabriel Dos Reis <gdr@codesourcery.com>
1673 * diagnostic.h (DIAGNOSTICS_SHOW_PREFIX_ONCE): New macro.
1674 (DIAGNOSTICS_SHOW_PREFIX_NEVER): Likewise.
1675 (DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE): Likewise.
1676 (struct output_buffer: emitted_prefix_p, prefixing_rule): New
1678 (set_message_prefixing_rule): Declare.
1680 * diagnostic.c: (current_prefixing_rule): New variable.
1681 (set_message_prefixing_rule): Define.
1682 (output_set_prefix): Adjust buffer->emitted_prefix_p.
1683 (init_output_buffer): Adjust Initialization.
1684 (output_emit_prefix): Rewrite. Take prefixing rules into account.
1686 Sat May 13 11:05:47 2000 Philippe De Muyter <phdm@macqel.be>
1688 * ifcvt.c (if_convert): Do not free NULL.
1690 2000-05-12 Nick Clifton <nickc@cygnus.com>
1692 * config/fr30/fr30.c (fr30_move_double): New function: Emit code
1693 to move a double word value.
1694 (di_operand): New function: Return true if the operand is suitbale
1695 for a double word move operation.
1696 (nonimmediate_di_operand): New function: Return true if the
1697 operand is a DImode register or MEM.
1699 * config/fr30/fr30.h (PREDICATE_CODES): Add di_operand and
1700 nonimmediate_di_operand.
1702 * config/fr30/fr30-protos.h Add fr30_move_double, di_operand, and
1703 nonimmediate_di_operand.
1705 * config/fr30/fr30.md (movdi): New pattern. Required because
1706 other patterns generate DImode results.
1707 (movdi_insn): New pattern.
1709 2000-05-12 Richard Henderson <rth@cygnus.com>
1711 * config/alpha/alpha.c (struct shadow_summary): Define
1712 bitfields as type unsigned int.
1714 Sat May 13 00:09:59 2000 Denis Chertykov <denisc@overta.ru>
1716 * config/avr/t-avr: Added definition of FLOAT while generates
1719 * config/avr/avr.md: `NEXT_INSN (insn)' substituted to `insn' in
1720 peepholes for tst+jump = sbrs/sbrc optimization.
1722 Fry May 12 20:03:00 CEST 2000 Jan Hubicka <jh@suse.cz>
1724 * expr.c (emit_push_insn): Do not adjust stack pointer when
1727 Fri May 12 19:03:58 2000 Philippe De Muyter <phdm@macqel.be>
1729 * ggc-simple.c (offsetof): Macro fallback definition moved from here ..
1730 * system.h (offsetof): ... to here.
1732 2000-05-12 Richard Henderson <rth@cygnus.com>
1734 * Makefile.in (final.o): Depend on BASIC_BLOCK_H.
1735 * final.c (final_end_function): Use app_disable. Rearrange note
1736 handling into a switch. Emit deleted labels.
1737 (output_asm_label): Generate label strings for deleted labels.
1738 * flow.c (tail_recursion_label_list): New.
1739 (find_basic_blocks_1): Set label_value_list directly. Collect list
1740 of tail recursion labels from call_placeholders. Don't add deleted
1741 labels to the label value list.
1742 (cleanup_cfg): Use free_EXPR_LIST_list.
1743 (flow_delete_insn_chain): Turn non-removable labels into notes.
1744 (flow_delete_block): Don't disable deleting the block because of
1745 a non-removable label.
1746 (tail_recursion_label_p): New.
1747 (merge_blocks_move_predecessor_nojumps): Don't disable the merge
1749 (merge_blocks_move_successor_nojumps): Likewise. Also move a
1751 (merge_blocks): Disable a merge because of tail recursion labels.
1752 * ifcvt.c (merge_if_block): Don't disable a merge because of a label.
1753 Use a more accurate measure of not merging the join block.
1754 (find_if_block): Don't disable conversion because of a label.
1755 (find_if_case_1, find_if_case_2): Likewise.
1756 * jump.c (duplicate_loop_exit_test): Preserve the kind of list
1757 element when copying.
1758 (squeeze_notes): Also leave EH notes.
1759 (mark_jump_label): Ignore deleted labels. Use an INSN_LIST for
1761 (delete_insn): Preserve LABEL_NAME in NOTE_SOURCE_FILE when
1763 * print-rtl.c (print_rtx): Print NOTE_SOURCE_FILE for
1764 NOTE_INSN_DELETED_LABEL. Print `[# deleted]' for a label_ref
1765 referring to a deleted label. Convert tail handling to a switch.
1766 * rtl.def (CODE_LABEL): Rearrange elements to be compatible with NOTE
1767 for NOTE_INSN_DELETED_LABEL.
1768 (NOTE): Fix commentary.
1769 * rtl.h (REG_LABEL): Update commentary wrt INSN_LIST.
1770 (REG_CC_SETTER, REG_CC_USER, REG_LIBCALL): Likewise.
1771 (CODE_LABEL_NUMBER, LABEL_NAME): Update index.
1772 (LABEL_NUSES, LABEL_REFS): Likewise.
1773 * unroll.c (copy_loop_body): Don't copy NOTE_INSN_DELETED_LABEL.
1775 2000-05-12 Bruce Korb <bkorb@gnu.org>
1777 * fixinc/fixfixes.c(format_write): buglet & relaxed rules
1778 * fixinc/check.diff: updated
1779 * fixinc/inclhack.def: corrected & added some test_text-s
1780 * fixinc/genfixes: removed unneeded options to autogen invocation
1781 * fixinc/fixincl.tpl: Specified the output file
1782 * fixinc/fixfixes.c: visual appearance
1783 * fixinc/fixincl.x: regenerate
1785 2000-05-12 Zack Weinberg <zack@wolery.cumb.org>
1787 * fixinc/fixfixes.c (IO_use_fix, IO_defn_fix, CTRL_use_fix,
1788 CTRL_defn_fix): Delete.
1789 (fix_char_macro_defines, fix_char_macro_uses): Rename to
1790 char_macro_def_fix and char_macro_use_fix, respectively. Put
1791 them into the FIXUP_TABLE. Get the string to search for from
1794 (format_write): New function.
1795 (format_fix): Use it.
1797 (FIX_PROC_HEAD): Constify text parameter.
1798 (machine_name_fix): Constify all char *s.
1799 * fixtests.c (skip_quote): Remove double static.
1801 * inclhack.def (io_def_quotes, io_use_quotes, ctrl_def_quotes,
1802 ctrl_use_quotes): Update for new scheme.
1803 * fixincl.x: Regenerate.
1805 2000-05-12 Alexandre Oliva <aoliva@cygnus.com>
1807 * config/mn10300/mn10300.h (PREFERRED_DEBUGGING_TYPE): Redefine as
1809 (DWARF2_ASM_LINE_DEBUG_INFO): Define.
1810 (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
1812 2000-05-11 Robert Lipe <robertlipe@usa.net>
1814 * fixinc/inclhack.def (hpux8_bogus_inlines): Delete bypass for SCO.
1815 * fixincl.x: Regenerate.
1817 2000-05-11 Richard Henderson <rth@cygnus.com>
1819 * calls.c: Revert both 05-09 patches.
1821 2000-05-11 Alexandre Oliva <aoliva@cygnus.com>
1823 * config/mn10300/mn10300.c (print_operand): Print FP constants in
1825 * config/mn10300/mn10300.md (movsf, movdf): Use the `F' constraint
1828 * mklibgcc.in (EQ): Define it to an equal sign in the Makefile,
1829 and replace any occurrences of `=' in multilib dirs with `$(EQ)'.
1831 2000-05-11 Jason Merrill <jason@casey.cygnus.com>
1833 * fixinc/fixincl.c (run_compiles): Don't crash on null pz_machine.
1835 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
1837 * fixinc/fixfixes.c, fixinc/fixtests.c: Update commentary.
1839 Thu May 11 22:28:05 2000 Denis Chertykov <denisc@overta.ru>
1841 * config/avr/avr-protos.c (jump_over_one_insn_p): New declaration.
1842 * config/avr/avr.c (jump_over_one_insn_p): New function.
1843 * config/avr/avr.md: New peepholes added. Output test and
1844 conditional jump to "sbrc" or "sbrs" command.
1846 2000-05-11 Mark Elbrecht <snowball3@bigfoot.com>
1848 * cppmain.c (main): Use IS_DIR_SEPARATOR.
1850 2000-05-11 Jakub Jelinek <jakub@redhat.com>
1852 * except.c (find_exception_handler_labels_1): New function.
1853 (find_exception_handler_labels): Split into two functions, dive
1854 into CALL_PLACEHOLDERs when looking for exception handler labels.
1856 2000-05-11 Stan Cox <scox@cygnus.com>
1858 * regrename.c (replace_reg_in_block): Improve REG_DEAD handling.
1859 * timevar.def (TV_RENAME_REGISTERS): Move before TV_SCHED2.
1860 * toplev.c (rest_of_compilation): Call regrename_optimize before sched2.
1862 2000-05-11 Bruce Korb <bkorb@gnu.org>
1864 * fixinc/fixfixes.c (double_slash_fix): obsolete
1865 (else_endif_label_fix): obsolete
1866 (format_fix): new, unused as yet
1868 * fixinc/fixlib.h: added fix description struct for use by format_fix
1869 * fixinc/fixincl.c: removed the struct & test for SIGIOT befure using
1870 * fixinc/Makefile.in: compile fixfixes.c and fixtests.c as separate
1871 modules. Removed the vestiges of the script version.
1872 Added support for "make check".
1873 * fixinc/check.diff: base diff file (needs work!!)
1874 * fixinc/check.tpl: quiet the fixup output
1875 * fixinc/fixtests.c (main): obsolete
1876 * fixinc/fixincl.sh: don't bother copying fixincl to ..
1877 * fixinc/fixincl.tpl: provide for arguments to c_fix routines
1879 Thu May 11 11:57:02 MET DST 2000 Jan Hubicka <jh@suse.cz>
1881 * toplev.c (rest_of_compilation): Remove dead code after
1884 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
1886 * cpphash.c (collect_funlike_expansion): Make "# is not
1887 followed by a macro argument name" a pedwarn, not an error.
1888 Preserve the # in the output. Suppress the warning if lang_asm.
1890 Thu May 11 01:19:31 2000 Jeffrey A Law (law@cygnus.com)
1892 * configure.in (hppa*64*-*-hpux11*): New target for PA64 support.
1893 * configure: Rebuilt.
1895 2000-05-10 Laurynas Biveinis <lauras@softhome.net>
1897 * i386/xm-djgpp.h (XREF_FILE_NAME): Add mising brace.
1899 2000-05-10 Kazu Hirata <kazu@hxi.com>
1901 * combine.c (try_combine): Fix a typo.
1903 Wed May 10 21:31:44 2000 Jim Wilson <wilson@cygnus.com>
1905 * config/ia64/ia64.md (insv): Add comment.
1907 2000-05-10 Richard Henderson <rth@cygnus.com>
1909 * Makefile.in (libgcc.a, stmp-multilib): Depend on FPBIT and DPBIT.
1910 * mklibgcc.in: Rewrite to not use functions. Don't shortcut
1911 dependancies on FPBIT and DPBIT.
1913 2000-05-10 Nick Clifton <nickc@redhat.com>
1915 * flow.c (find_auto_inc): Do not bias REG_N_REFS by loop_depth
1916 when optimising for size.
1917 (mark_used_regs:) Ditto.
1918 (try_pre_increment_1): Ditto.
1920 2000-05-10 Zack Weinberg <zack@wolery.cumb.org>
1922 * cppexp.c (lex): Use %.*s to print non-NUL-terminated string.
1923 Make error message friendlier.
1925 * cpphash.h (struct hashnode): Use struct hack for name
1927 * cpphash.c (struct hashdummy): New.
1928 (eq_HASHNODE): Second argument is a hashdummy, not a HASHNODE.
1929 (make_HASHNODE): No need to set ->name pointer. Correct
1931 (cpp_lookup): Make 'dummy' a struct hashdummy. Tidy up a bit.
1933 2000-05-10 Richard Henderson <rth@cygnus.com>
1935 * flow.c (find_basic_blocks_1): Remove any spare bb_note
1938 2000-05-10 Bruce Korb <bkorb@gnu.org>
1940 * fixinc/gnu-regex.c: reg_syntax_t re_syntax_options must be static
1942 2000-05-10 Eric Schweitz <schweitz@nortelnetworks.com>
1944 * dwarfout.c (dwarfout_finish): Call retry_incomplete_types
1945 after we enter .debug.
1947 2000-05-10 Jason Merrill <jason@casey.cygnus.com>
1949 * dwarf2out.c (gen_subprogram_die): Fixup die_parent for the
1950 abstract instance of a nested inline function.
1952 * stor-layout.c (finish_record_layout): finalize_type_size
1953 before laying out the pending_statics.
1955 Wed 10 May 09:36:47 2000 Neil Booth <NeilB@earthling.net>
1957 * cpplex.c (spell_token): New function.
1958 (spell_string, spell_comment, spell_name): fold into
1961 (E, H): Remove macros.
1962 (save_comment): Save comment opening characters too.
1963 (_cpp_lex_file): Update to use spell_token. Tidy up comment
1965 * cpplib.h (I, S): Add macros.
1966 (E, H): Remove macros.
1967 (TTYPE_TABLE): Update entries for new speller.
1968 (SYNTAX_ASSERT): Remove.
1970 Wed 10 May 09:08:30 2000 Neil Booth <NeilB@earthling.net>
1972 * cpplex.c (_cpp_lex_line): Maintain PREV_WHITESPACE flag
1973 when removing escaped newlines. Reverse sense of test for
1976 2000-05-09 Richard Henderson <rth@cygnus.com>
1978 * flow.c (find_basic_blocks_1): Do not delete the first
1979 bb_note we run across.
1980 (create_basic_block): Use reorder_insns to move an existing
1981 bb_note to the correct place.
1983 2000-05-09 Richard Henderson <rth@cygnus.com>
1985 * calls.c (expand_call): Increment currently_expanding_call
1986 before calling optimize_tail_recursion.
1988 Tue May 9 18:54:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1990 * reload1.c (reload_combine): Fix errors in last change.
1992 2000-05-09 Zack Weinberg <zack@wolery.cumb.org>
1994 * gcc.c (used_arg): Skip over a semicolon at the end of the
1995 split-up loop; don't break out of it.
1997 * Makefile.in (WARN_CFLAGS): Add -Wwrite-strings.
1998 (tree.o): Depend on output.h.
2000 * c-decl.c (pending_invalid_xref_file,
2001 current_function_prototype_file): Constify.
2002 (pushdecl): Constify a local char *.
2003 (define_label): Constify filename parameter.
2004 * c-lex.c (init_parse): Constify parameter and return value.
2005 * c-typeck.c (c_expand_asm_operands): Constify filename parameter.
2006 * c-tree.h: Update prototypes.
2007 * c-parse.in: Constify filename member of %union, and if_stmt_file.
2008 * c-parse.y, c-parse.c, c-parse.h, objc/objc-parse.y,
2009 objc/objc-parse.c: Regenerate.
2011 * dwarfout.c (dwarfout_init): Constify main_input_filename parameter.
2012 * dwarfout.h: Update prototypes.
2013 * expr.c (expand_expr): Constify a local char *.
2014 * flags.h: Constify main_input_filename.
2015 * function.c (expand_function_end): Constify filename parameter.
2016 * genrecog.c (make_insn_sequence): Use a character array for
2018 (main): Remove unused variables.
2019 * input.h: Constify input_filename, main_input_filename, and
2020 file_stack.name. Update prototypes.
2021 * output.h: Declare first_global_object_name and
2022 weak_global_object_name here, as const char *.
2023 * stmt.c (expand_asm_operands): Constify filename parameter.
2024 * toplev.c (compile_file, push_srcloc, debug_start_source_file):
2025 Constify filename parameter.
2026 (input_filename, main_input_filename): Constify.
2027 * toplev.h: Update prototypes.
2028 * tree.c: Include output.h. Don't declare
2029 first_global_object_name or weak_global_object_name. Clean up string
2030 bashing in get_file_function_name_long.
2031 * tree.h (struct tree_decl): Constify filename member.
2032 (input_filename): Constify.
2034 * varasm.c (first_global_object_name, weak_global_object_name):
2036 (assemble_start_function, assemble_variable): Clean up string bashing.
2038 * gcc.c: Constify all spec-related strings initialized,
2039 transitively, from string constants. Constify all strings
2040 and string variables related to multilibs.
2041 (set_spec, read_specs): Cast argument to free to PTR.
2042 (used_arg): Do not modify multilib_matches. Use strncmp plus
2043 length comparison to compare multilib switches.
2044 * genmultilib: Constify everything declared in multilib.h.
2046 Tue May 9 22:28:03 2000 Denis Chertykov <denisc@overta.ru>
2048 * flow.c (flow_delete_insn): Use INSN_DELETED_P for marking insn
2051 Tue May 9 20:52:43 2000 Denis Chertykov <denisc@overta.ru>
2053 * config/avr/avr-protos.h (extra_constraint): change a type of
2054 second argument from char to int to avoid warnings.
2055 (asm_output_byte): Likewise.
2057 * config/avr/avr.c (MAX_LD_OFFSET) New macro.
2058 (initial_elimination_offset): Handle elimination from
2059 FRAME_POINTER_REGNUM to STACK_POINTER_REGNUM.
2060 (legitimate_address_p): Use MAX_LD_OFFSET.
2061 (legitimize_address): Likewise.
2062 (out_movqi_r_mr): Likewise.
2063 (out_movhi_r_mr): Likewise, use `fatal_insn' instead of `fatal'.
2064 (out_movsi_r_mr): Use MAX_LD_OFFSET.
2065 (out_movsi_mr_r): Likewise.
2066 (out_movqi_mr_r): Likewise.
2067 (out_movhi_mr_r): Likewise.
2068 (notice_update_cc): Correct CC for the ashrqi3 with the shift
2069 count as CONST_INT != 6.
2070 (ashlqi3_out): Coding style modifications. Run `fatal_insn' if
2071 shift count is a CONSTANT_P, but not a CONST_INT.
2072 (ashlhi3_out): Coding style modifications.
2073 (ashlsi3_out): Likewise.
2074 (ashrhi3_out): Likewise.
2075 (ashrsi3_out): Likewise.
2076 (lshrhi3_out): Likewise.
2077 (lshrsi3_out): Likewise.
2078 (ashrqi3_out): Generate shift for any known constant count without
2079 scratch register. Run `fatal_insn' if shift count is a CONSTANT_P,
2080 but not a CONST_INT.
2081 (lshrqi3_out): Coding style modifications. Run `fatal_insn' if
2082 shift count is a CONSTANT_P, but not a CONST_INT.
2083 (extra_constraint): change a type of
2084 second argument from char to int to avoid warnings.
2085 (asm_output_byte): Likewise.
2086 (asm_file_end): Output size generated commands count as a hex
2089 * config/avr/avr.h (RETURN_ADDR_RTX): New macro.
2091 * config/avr/avr.md (addhi3): Fragment commented by &&0 is
2093 (ashlqi3): Values of "length" attribute changed. Shift count
2094 uses constraints 'n' instead of 'i'.
2095 (ashrqi3): Likewise. Values of "cc" attribute changed. Generate
2096 shifts without clobber register.
2097 (lshrqi3): Shift count uses constraints 'n' instead of 'i'.
2098 (call_insn): Correct test for which_alternative == 1 (was 0).
2099 (call_value_insn): Likewise.
2101 * config/avr/t-avr: Remove definition of FLOAT while generates
2104 2000-05-09 Bruce Korb <bkorb@gnu.org>
2106 * fixinc/check.tpl: Template for checking fixes
2107 * fixinc/inclhack.def: Added 'test_text' for many fixes
2108 disable hpux8_bogus_inlines on SCO
2109 * fixinc/fixinc.sco: Oh, yes, we don't need this any more.
2111 Tue May 9 16:30:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
2113 * calls.c (expand_call): Reorganize somewhat in order
2114 to avoid unnecesary recalculation inside loop and make
2115 tail call failure code cleaner.
2117 Tue May 9 06:30:20 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2119 * alias.c (nonlocal_reference_p): Minor reformatting.
2120 * reload.c (find_equiv_reg): Simplify logic for
2121 CALL_INSN_FUNCTION_USAGE since can't have SUBREG or pseudos and
2122 some some reformatting.
2123 * reload1.c (reload_combine): Don't assume everything in
2124 CALL_INSN_FUNCTION_USAGE is a REG and clean up code a bit.
2126 2000-05-08 Richard Henderson <rth@cygnus.com>
2128 * final.c (current_insn_predicate): New.
2129 (final_scan_insn): Set it.
2130 * output.h (current_insn_predicate): Declare.
2132 * ifcvt.c (cond_exec_process_insns): New argument prob_val.
2133 Attach it to call insns.
2134 (cond_exec_process_if_block): Track probability for true and
2136 (dead_or_predicable): Likewise.
2138 * predict.c (PROB_NEVER, PROB_VERY_UNLIKELY): New.
2139 (PROB_UNLIKELY, PROB_EVEN, PROB_LIKELY): New.
2140 (PROB_VERY_LIKELY, PROB_ALWAYS): New.
2141 (estimate_probability, expected_value_to_br_prob): Use them.
2143 * config/ia64/ia64-protos.h (ia64_expand_prediction): Declare.
2144 * config/ia64/ia64.c (ia64_print_operand_address): Handle 'j'.
2145 (ia64_expand_prediction): New.
2146 (emit_insn_group_barriers): Don't look at notes. Emit barriers
2147 as needed after calls.
2148 (ia64_epilogue_uses): Mark b0 used.
2149 * config/ia64/ia64.md (beq_true, beq_false): Remove.
2150 (bne_true, bne_false): Remove.
2151 (eq_return, eq_not_return, ne_return, ne_not_return): Remove.
2152 (br_true, br_false): New. Use predicate_operator and
2153 ia64_expand_prediction.
2154 (return_true, return_false): Likewise.
2155 (call_internal): Use ia64_expand_prediction. Don't emit stop bit.
2156 (call_internal1, call_value_internal): Likewise.
2157 (call_value_internal1, call_multiple_values_internal1): Likewise.
2159 * config/ia64/ia64.c (ia64_direct_return): Require frame size zero.
2161 * config/ia64/ia64.md (extendsfdf2): Split only after reload.
2163 2000-05-08 Richard Henderson <rth@cygnus.com>
2165 * rtlanal.c (may_trap_p): Consider old-style and volatile
2168 Mon May 8 17:16:48 2000 Jim Wilson <wilson@cygnus.com>
2170 * config/ia64/ia64.h (RETURN_ADDR_RTX): Use COUNT not count.
2172 2000-05-08 Richard Henderson <rth@cygnus.com>
2174 * config/ia64/ia64.h (predicate_operator): Declare.
2176 * config/ia64/ia64.md (extendsfdf2): Split the nop case out
2179 * gensupport.c (process_rtx): Copy and post-process each member
2180 of the define_insn rtvec individually.
2182 Mon 8 May 22:17:35 2000 Neil Booth <NeilB@earthling.net>
2184 * cpplex.c (spell_token): New function.
2185 (TOKEN_LEN): Add 1 for whitespace.
2186 (_cpp_lex_file): Update to use spell_token.
2187 * cpplib.h (E): Remove.
2188 (TTYPE_TABLE): Update CPP_VSPACE entry.
2190 2000-05-08 Richard Henderson <rth@cygnus.com>
2192 * flow.c (init_propagate_block_info): Watch out for conditional
2193 branch to next instruction, and thus one outgoing edge.
2195 * config/ia64/ia64.c (ia64_encode_section_info): Exit early
2196 for global register variables; don't special case __[CD]TOR_LIST__;
2197 mind ggc_p for string allocation.
2199 2000-05-08 Nick Clifton <nickc@cygnus.com>
2201 * config/i386/i386.h (ELIMINABLE_REGS): Fix comment.
2203 2000-05-08 Bruce Korb <bkorb@gnu.org>
2205 * fixinc/mkfixinc.sh: fixinc.sco is no longer used
2206 i?86-*-msdosdjgpp* no longer uses fixincludes
2207 * fixinc/genfixes: inclhack.sh and fixincl.sh are no longer generated
2208 * fixinc/inclhack.sh: deleted
2209 * fixinc/hackshell.tpl: deleted
2210 * fixinc/inclhack.tpl: deleted
2211 * fixinc/Makefile.in: Remove dependencies on above
2212 * fixinc/fixincl.sh: "DO NOT EDIT" text modified
2214 2000-05-08 Andreas Jaeger <aj@suse.de>
2216 * config/mips/linux.h: Remove undefines which disabled .ctor/.dtor
2219 2000-05-07 Zack Weinberg <zack@wolery.cumb.org>
2221 * Makefile.in (LOOSE_CFLAGS): Add /g modifiers to both sed
2224 Sun 7 May 08:43:53 2000 Neil Booth <NeilB@earthling.net>
2226 * cpplex.c: Move new lexer definitions and prototypes
2227 to top. Conditional include these and the code if
2228 NEW_LEXER is defined. Rename functions whose names
2229 clash if this code included.
2231 Sun May 7 00:54:57 EDT 2000 John Wehle (john@feith.com)
2233 * rtl.def (COND_EXEC): Clarify.
2235 * i386.md (extendsidi2): Clobber (reg:CC 17) in the
2236 same fashion as zero_extendsidi2.
2238 2000-05-06 Richard Henderson <rth@cygnus.com>
2240 * config/ia64/ia64.c (predicate_operator): New.
2241 (ia64_print_operand): Handle 'J'.
2242 (rtx_needs_barrier): Handle COND_EXEC.
2243 * config/ia64/ia64.h (BRANCH_COST): Define.
2244 (PREDICATE_CODES): Update.
2245 * config/ia64/ia64.md: Docuement used unspec values.
2246 (attr predicable): New.
2247 (movxf, movxf_internal): New.
2248 (extendsfdf2): Don't comment out nop.
2249 (floatdidf2): Remove.
2250 (truncxfsf2, truncxfdf2, floatdixf2): New.
2251 (abssi2, absdi2): Put the neg in the "true" slot.
2252 (conditional branch instructions): Mark not predicable.
2253 (cmov*_internal): Use predicate_operator. Split to cond_exec.
2254 (abs*_internal): Likewise.
2255 (alloc, set_bsp): Mark not predicable.
2256 (barrier, insn_group_barrier, flush_cache): Likewise.
2257 (define_cond_exec): New.
2259 2000-05-06 Richard Henderson <rth@cygnus.com>
2261 * c-decl.c: Include "tm_p.h".
2263 * config/ia64/ia64-protos.h: Rearrange decls to reduce ifdef madness.
2264 (fetchadd_operand, ia64_expand_fetch_and_op): Declare.
2265 (ia64_expand_op_and_fetch): Declare.
2266 * config/ia64/ia64.c: Include "toplev.h". Kill trailing whitespace.
2267 (setjmp_operand): Constify variables for XSTR.
2268 (ia64_encode_section_info): Likewise.
2269 (ia64_print_operand): Use %d for exact_log2; cast 32-bit printed
2271 (ia64_asm_output_external): Constify name.
2272 (process_set): Use HOST_WIDE_INT_PRINT_DEC for frame size.
2273 (process_for_unwind_directive): Provide switch default.
2274 (ia64_expand_compare_and_swap): Remove unused variables.
2275 (ia64_expand_builtin): Likewise.
2276 * config/ia64/ia64.h (ASM_OUTPUT_BYTE): Mask and cast value to int
2279 * config/ia64/ia64.c (sdata_symbolic_operand): Mark unused args.
2280 (symbolic_operand, function_operand, setjmp_operand): Likewise.
2281 (shift_count_operand, shift_32bit_count_operand): Likewise.
2282 (shladd_operand, fetchadd_operand, ia64_function_prologue): Likewise.
2283 (ia64_function_epilogue, ia64_setup_incoming_varargs): Likewise.
2284 (ia64_function_arg_partial_nregs, ia64_function_value): Likewise.
2285 (ia64_print_operand_address, ia64_secondary_reload_class): Likewise.
2286 (ia64_expand_builtin): Likewise.
2287 (call_multiple_values_operation): Make dest_regno unsigned.
2289 2000-05-06 Richard Henderson <rth@cygnus.com>
2291 * rtl.def (DEFINE_COND_EXEC): New.
2292 * md.texi: Document it.
2294 * gensupport.c (input_file): Remove.
2295 (struct queue_elem): Add lineno.
2296 (rtx_ready_queue): Remove.
2298 (predicable_default): New.
2299 (predicable_true, predicable_false): New.
2300 (define_attr_queue, define_attr_tail): New.
2301 (define_insn_queue, define_insn_tail): New.
2302 (define_cond_exec_queue, define_cond_exec_tail): New.
2303 (other_queue, other_tail): New.
2304 (queue_pattern): New.
2305 (process_rtx): Add patterns to the appropriate queues.
2306 (is_predicable, identify_predicable_attribute): New.
2307 (n_alternatives, collect_insn_data): New.
2308 (alter_predicate_for_insn, alter_test_for_insn): New.
2309 (shift_output_template, alter_output_for_insn): New.
2310 (process_one_cond_exec, process_define_cond_exec): New.
2311 (init_md_reader): Read the entire file. Process define_cond_exec.
2312 (read_md_rtx): Return elements from the queues.
2314 2000-05-06 Richard Henderson <rth@cygnus.com>
2316 * flow.c (mark_set_1): Don't update conditional life info
2317 if the register is not_dead.
2319 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
2321 * Makefile.in (STAGESTUFF): Add genrtl.c and genrtl.h.
2322 (mostlyclean): Also delete fixincl, fixinc.sh, and
2323 specs.ready, and make clean in the fixinc subdir.
2325 2000-05-06 Richard Henderson <rth@cygnus.com>
2327 * Makefile.in (gensupport.o): Compile for the host.
2328 (host-prefix gensuuprt.o): Remove.
2329 (genflags.o): Depend on gensupport.h and OBSTACK_H.
2330 (genattrtab.o): Likewise.
2331 (gencodes.o): Depend on gensupport.h.
2332 (genemit.o, genopinit.o, genrecog.o, genextract.o): Likewise.
2333 (genpeep.o, genattr.o, genoutput.o): Likewise.
2335 * gensupport.c (obstack, rtl_obstack): New.
2336 (init_md_reader): Initialize rtl_obstack.
2337 * gensupport.h (rtl_obstack): Declare.
2338 (message_with_line): Declare.
2340 * genattr.c: Remove all traces of obstack manipulation.
2341 * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
2342 * genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise.
2344 * genattrtab.c (obstack, rtl_obstack): Remove.
2345 (main): Don't init rtl_obstack.
2346 * genflags.c: Likewise.
2348 * genrecog.c (message_with_line): Move ...
2349 * gensupport.c: ... here.
2351 2000-05-06 Richard Henderson <rth@cygnus.com>
2353 * c-typeck.c (build_c_cast): Remove dead code.
2355 2000-05-06 Richard Henderson <rth@cygnus.com>
2357 * flow.c (split_edge): Don't allocate global_live_at_start for
2358 the new block unless the old blocks had them as well.
2360 * flow.c (mark_set_1): Respect not_dead when updating reg_live.
2362 * ifcvt.c (noce_process_if_block): Don't use an insn_b from
2363 test_bb if a or b uses x.
2365 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
2367 * cpphash.h: Remove conditional #define of __extension__.
2368 * rtl.h: Add __extension__ to RTL_CHECK1, RTL_CHECK2,
2369 RTL_CHECKC1, RTL_CHECKC2, and RTVEC_ELT macros
2370 (ENABLE_RTL_CHECKING only).
2371 * tree.h: Add __extension__ to TREE_CHECK, TREE_CLASS_CHECK,
2372 CST_OR_CONSTRUCTOR_CHECK, and EXPR_CHECK macros
2373 (ENABLE_TREE_CHECKING only).
2374 * varray.h: Add __extension__ to VARRAY_CHECK macro
2375 (ENABLE_CHECKING only).
2377 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
2379 Use new tail-calling mechanism on ARM.
2380 * arm.md (sibcall, sibcall_value): New expands.
2381 (sibcall_insn, sibcall_value_insn, sibcall_epilogue): New insns.
2382 (tailcalling peepholes): Delete.
2383 (push_multi): Simplify.
2384 * arm.c (lr_save_eliminated): Delete definition.
2385 (pattern_really_clobbers_lr, function_really_clobbers_lr): Delete.
2386 (output_return_instruction): Remove checks on lr_save_eliminated.
2387 (output_arm_prologue): Remove old tail-calling code.
2388 (arm_output_epilogue): New parameter, really_return. All callers
2389 changed. Handle tail-calling epilogues.
2390 * arm.h (lr_save_eliminated): Delete declaration.
2391 (frame_pointer_needed): Delete declaration.
2392 * arm-protos.h (arm_output_epilogue): Adjust prototype.
2394 * arm.md (is_thumb): Examine symbol thumb_code, not expression
2396 * arm.c (thumb_code): Define it.
2397 (arm_override_options): Set it.
2398 * arm.h (thumb_code): Declare it.
2400 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
2402 * arm-protos.h (arm_dllexport_name_p, arm_dllimport_name_p): Constify.
2404 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
2406 * arm.c (arm_gen_load_multiple, arm_gen_store_mulitple): Don't add
2407 bogus clobber to insns.
2408 (load_multiple_operation, store_mulitple_operation): Don't check
2410 * arm.md (ldmsi_postinc, stmsi_postinc): Adjust accordingly.
2412 * arm.md (and_scc, ior_scc): Add missing mode.
2414 * arm.md (call_value_symbol): Remove predicate from op2.
2416 * arm.h (SPECIAL_MODE_PREDICATES): Define.
2418 Sat May 6 06:25:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2420 * expr.c (get_subtarget): New function.
2421 (force_operand, expand_expr, do_store_flag): Use it.
2423 * toplev.c (compile_file): Don't take strlen of NAME if null.
2425 2000-05-06 David Edelsohn <edelsohn@gnu.org>
2427 * xcoffout.c (xcoff_current_include_file,
2428 xcoff_current_function_file, xcoff_lastfile): Constify char *.
2429 (xcoffout_source_file, xcoffout_source_line): Make filename 'const
2431 (xcoffout_declare_function): Make name 'const char *'.
2432 (xcoffout_end_epilogue): Make fname 'const char *'
2433 * xcoffout.h (xcoff_current_include_file, xcoff_lastfile,
2434 xcoffout_declare_function, xcoffout_source_line): Match above.
2436 * aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -mpowerpc64 without
2438 * rs6000.c (print_operand): Fix lossage typo.
2439 (output_cbranch): Remove "cr" decoration for now.
2440 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): Make alias 'const char *'.
2442 Sat May 6 06:55:32 2000 Denis Chertykov <denisc@overta.ru>
2444 * config/avr/avr.c (out_shift_with_cnt): Bugfix for shift by
2447 2000-05-05 Bruce Korb <bkorb@gnu.org>
2449 * fixinc/genfixes: Improve the matching for make target names
2451 2000-05-05 Catherine Moore <clm@cygnus.com>
2453 * c-common.c (decl_attributes): For TYPE_DECLs attach the
2454 attribute to the decl.
2455 * c-decl.c (pushdecl): Propagate the USED attribute to the
2458 2000-05-05 Richard Henderson <rth@cygnus.com>
2460 * rtlanal.c (reg_overlap_mentioned_p): Treat parallels in the
2461 same way emit_group_load does.
2463 2000-05-05 Mark Elbrecht <snowball3@bigfoot.com>
2465 * gcc.c (set_input) [HAVE_DOS_STYLE_FILE_SYSTEM]: Skip drive name.
2467 * toplev.c (output_file_directive): Use IS_DIR_SEPARATOR.
2470 2000-05-05 Rodney Brown <RodneyBrown@mynd.com>
2472 * pa.h (FUNCTION_ARG_ADVANCE): Warning removal.
2474 Fri May 5 10:29:21 2000 Marc Espie <espie@cvs.openbsd.org>
2476 * config/openbsd.h (LINK_SPEC): pass correct flags to ld
2477 to support -shared, on platforms with dynamic libraries.
2479 Fri May 5 10:27:06 2000 Philippe De Muyter <phdm@macqel.be>
2481 * system.h (S_ISBLK): Provide fallback definition.
2483 2000-05-05 Geoff Berry <geoffb@bops.com>
2485 * extend.texi (Extended Asm): Document inability to give asm
2486 statements access to condition codes.
2488 2000-05-05 Marek Michalkiewicz <marekm@linux.org.pl>
2490 * varasm.c (asm_emit_uninitialised): Use 0, not NULL
2491 as arg 2 of UNIQUE_SECTION.
2493 Fri May 5 10:11:41 2000 Jeffrey A Law (law@cygnus.com)
2495 * predict.c: Remove May 4 change.
2496 * bb-reorder.c (make_reorder_chain): Do not perform block movement
2497 if we have predicted the branch at 50-50 probability.
2499 2000-05-05 Richard Henderson <rth@cygnus.com>
2501 * flow.c (init_propagate_block_info): Fix merge error
2502 in HAVE_conditional_execution code.
2504 Fri May 5 07:43:50 2000 Denis Chertykov <denisc@overta.ru>
2506 * config/avr/avr.c (out_shift_with_cnt): Genetare a more optimal
2507 shift cycle for unknown shift count. Also generates dec + brpl.
2508 (ashlqi3_out): Don't generate dec + brpl which now generates by
2509 `out_shift_with_cnt'.
2510 (ashlhi3_out): Likewise.
2511 (ashlsi3_out): Likewise.
2512 (ashrqi3_out): Likewise.
2513 (ashrhi3_out): Likewise.
2514 (ashrsi3_out): Likewise.
2515 (lshrqi3_out): Likewise.
2516 (lshrhi3_out): Likewise.
2517 (lshrsi3_out): Likewise.
2519 2000-05-04 Mark Elbrecht <snowball3@bigfoot.com>
2521 * gcc.c (free_split_directories): Correct typo in explanation
2522 of make_relative_prefix.
2524 2000-05-04 Geoff Keating <geoffk@cygnus.com>
2526 * config/rs6000/rs6000.h (PREDICATE_CODES): Add floating-point
2527 comparison codes to branch_comparison_operator.
2529 2000-05-04 Richard Henderson <rth@cygnus.com>
2531 * ifcvt.c (noce_process_if_block): Always reset X in the A == B case.
2533 2000-05-04 Richard Henderson <rth@cygnus.com>
2535 * Makefile.in (FPBIT_FUNCS): Remove _df_to_usi.
2536 (DPBIT_FUNCS): Remove _sf_to_usi.
2537 (stmp-multilib): Pass LIB1ASMSRC to libgcc.mk.
2539 * ifcvt.c (noce_process_if_block): Fail if A or B modified
2540 between condition and jump.
2542 * libgcc2.c (near eh_context_specific): Comment #endif string.
2543 * longlong.h: Don't use strings with embedded newlines.
2545 2000-05-04 Geoff Keating <geoffk@cygnus.com>
2547 * config/rs6000/rs6000-protos.h: Add output_cbranch.
2548 * config/rs6000/rs6000.c (ccr_bit_negated_p): Delete.
2549 (print_operand): Delete %t and %T codes.
2550 (output_cbranch): New function. Support branch prediction.
2551 * config/rs6000/rs6000.md: Use output_cbranch for
2552 conditional branches and returns.
2554 2000-05-04 Jason Merrill <jason@casey.cygnus.com>
2556 * simplify-rtx.c (simplify_ternary_operation): Cast to unsigned.
2557 * stor-layout.c (place_field): Likewise.
2558 * integrate.h (struct inline_remap): Make regno_pointer_align unsigned.
2559 * expr.c (store_expr): Make align unsigned.
2560 * explow.c (plus_constant_wide): Make low words unsigned.
2561 * expmed.c (choose_multiplier): Likewise.
2562 * fold-const.c (fold): Likewise.
2563 * tree.h (build_int_2): Likewise.
2564 * tree.c (build_int_2_wide, tree_int_cst_msb): Likewise.
2565 * emit-rtl.c (gen_reg_rtx): Add cast to unsigned char*.
2566 (init_emit): Change cast to unsigned char*.
2567 * varasm.c (compare_constant_1): Add cast to char*.
2568 * gcse.c (delete_null_pointer_checks): Change cast to unsigned int*.
2569 * reload1.c (reload): Likewise.
2571 * rtl.h (MEM_SET_IN_STRUCT_P): Use do { } while (0).
2573 Thu May 4 14:37:23 2000 Jeffrey A Law (law@cygnus.com)
2575 * predict.c (estimate_probability): If no prediction was found, then
2576 predict the successor that is the next physical block (if such a
2579 2000-05-04 Richard Henderson <rth@cygnus.com>
2581 * config/alpha/t-alpha (LIB2FUNCS_EXTRA): Use qrrnd.asm in place.
2583 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2585 * system.h: Don't wrap <sys/types.h> with HAVE_SYS_TYPES_H.
2587 2000-05-04 Mumit Khan <khan@xraylith.wisc.edu>
2589 * i386/cygwin.h (CPP_PREDEFINES): Don't define __STDC__. Move
2590 attribute macros from here ...
2591 (CPP_SPEC): to here.
2592 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
2593 (CPP_SPEC): Likewise.
2594 * i386/crtdll.h (CPP_PREDEFINES): Delete attribute macros.
2596 * Makefile.in ($(HOST_PREFIX_1)gensupport.o): Add build rule.
2597 (libgcc.a): Pass LIB1ASMSRC to libgcc.mk.
2599 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2601 * bb-reorder.c (get_next_bb_note, get_prev_bb_note): Prototype.
2603 * diagnostic (vbuild_message_string, build_message_string,
2604 build_location_prefix, output_get_prefix, init_output_buffer,
2605 output_notice, vline_wrapper_message_with_location,
2606 v_message_with_decl, default_print_error_function): De-constify.
2607 (set_real_maximum_length): Prototype.
2609 * diagnostic.h (struct output_buffer, init_output_buffer,
2610 output_get_prefix, output_set_prefix): De-constify.
2612 * function.c (init_function_start): Constify.
2614 * gensupport.c (remove_constraints, process_rtx): Prototype.
2616 * gthr-posix.h: Indent uses of #pragma.
2618 * objc/objc-act.c (ggc_mark_imp_list, ggc_mark_hash_table):
2621 * predict.c (find_expected_value): Delete prototype.
2622 (expected_value_to_br_prob): Initialize variable `ev_reg'.
2624 * sbitmap.h (debug_sbitmap): Prototype.
2626 * ssa.c (compute_coalesced_reg_partition): Prototype.
2628 * stor-layout.c (debug_rli): Prototype.
2630 * tree.h (round_down): Prototype.
2631 (init_function_start): Constify.
2633 2000-05-04 Zack Weinberg <zack@wolery.cumb.org>
2635 * cpphash.h: #define __extension__ away if GCC_VERSION < 2095
2636 (overly conservative). Change extern inline wrappers to
2637 static inline, define them always, use PARAMS properly.
2638 * cpplex.c (_cpp_get_directive_token): Don't issue pedantic
2639 whitespace warnings for \f and \v at the beginning of a line.
2641 Thu May 4 10:03:50 2000 Jeffrey A Law (law@cygnus.com)
2643 * haifa-sched.c (schedule_insns): Free the flow edge list when it
2646 2000-05-04 Bruce Korb <bkorb@gnu.org>
2648 * fixincl/inclhack.def: added broken_cabs -
2649 Remove `extern double cabs' declarations from math.h
2650 * fixincl/inclhack.sh: regen
2651 * fixincl/fixincl.x: regen
2652 * fixincl/fixincl.c: Remove BOGOSITY code
2653 * fixincl/mkfixinc.sh: Remove code for installing "shell" version
2655 Thu May 4 09:45:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2657 * rtl.h (MEM_COPY_ATTRIBUTES): Also copy RTX_UNCHANGING_P and
2659 * alias.c (canon_rtx): Don't copy RTX_UNCHANGING_P or MEM_ALIAS_SET
2660 when calling MEM_COPY_ATTRIBUTES.
2661 * emit-rtl.c (operand_subword, change_address): Likewise.
2662 * explow.c (stabilize): Likewise.
2663 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
2664 * integrate.c (copy_rtx_and_substitute): Likewise.
2665 * combine.c (combine_simplify_rtx): Don't copy RTX_UNCHANGING_P
2666 when calling MEM_COPY_ATTRIBUTES.
2667 (make_extraction, simplify_shift_const, gen_lowpart_for_combine):
2669 * cse.c (gen_lowpart_if_possible): Likewise.
2670 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
2671 * optabs.c (gen_move_insn): Likewise.
2672 * recog.c (validate_replace_rtx_1): Likewise.
2673 * simplify-rtx.c (add_mem_for_addr): Likewise.
2674 * stmt.c (expand_anon_union_decl): Likewise.
2675 * config/arm/arm.md: Likewise.
2676 * config/h8300/h7300.c (fix_bit_operand): Likewise.
2677 * config/m88k/m88k.c (legitimize_address, block_move_loop): Likewise.
2678 (block_move_no_loop, block_move_sequence): Likewise.
2679 * config/rs6000/rs6000.c (expand_block_move_mem): Likewise.
2680 * config/alpha/alpha.c (get_aligned_mem): Likewise.
2681 Clear MEM_ALIAS_SET.
2682 * final.c (alter_subreg): Don't copy MEM_ALIAS_SET when calling
2683 MEM_COPY_ATTRIBUTES.
2685 2000-05-03 Robert Lipe <robertlipe@usa.net>
2687 * configure.in (i[34567]86-*-isc*) [tmake_file]: Add t-i386bare
2688 to suppress libgcc1.
2689 (i[34567]86-*-sco3.2v5*) Likewise.
2690 (i[34567]86-*-sco3.2v4*) Likewise.
2691 (i[34567]86-*-sco) Likewise.
2692 (i[34567]86-*-solaris2) Likewise.
2693 (i[34567]86-*-sysv5*) Likewise.
2694 (i[34567]86-*-sysv4*) Likewise.
2695 (i[34567]86-*-udk*) Likewise.
2696 (i[34567]86-*-sysv*) Likewise.
2698 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
2700 * cpphash.h (U): New define, to correct type of string constants.
2701 (ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr): New wrapper
2702 routines, to do casts when passing unsigned strings to libc.
2703 * cppexp.c, cppfiles.c, cpphash.c, cppinit.c, cpplib.c: Use them.
2705 * cppfiles.c (_cpp_execute_include): Make filename an U_CHAR *.
2706 * cpphash.c (_cpp_quote_string): Make string an U_CHAR *.
2707 * cppinit.c (dump_special_to_buffer): Make macro name an U_CHAR *.
2708 * cpplex.c (parse_ifdef, parse_include, validate_else): Make
2709 second argument an U_CHAR *.
2711 * cppinit.c (builtin_array): Make name and value U_CHAR *, add
2712 length field, clean up initializer.
2713 (ISTABLE): Add __extension__ to designated-
2714 initializers version.
2715 * cpplex.c (CHARTAB): Likewise.
2717 * mbchar.c: Add dummy external declaration to the !MULTIBYTE_CHARS
2718 case so the file won't be empty.
2720 Wed May 3 21:01:46 2000 Jason Eckhardt <jle@cygnus.com>
2722 * bb-reorder.c (struct reorder_block_def): Member succ removed.
2723 (REORDER_BLOCK_SUCC): Removed.
2724 (enum reorder_skip_type): Removed.
2725 (skip_insns_between_block): Renamed to skip_insns_after_block.
2726 Removed second argument. Removed dead code and cleaned up.
2727 (make_reorder_chain): Removed use of REORDER_BLOCK_SUCC.
2728 (reorder_basic_blocks): Remove use of REORDER_SKIP_AFTER. Removed
2729 second parameter to skip_insns_after_block.
2731 Wed May 3 13:29:54 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2733 * tree.c (staticp, case LABEL_DECL): New case.
2735 2000-05-03 Richard Henderson <rth@cygnus.com>
2737 * Makefile.in (start.encap): Do not depend on LIBGCC1.
2739 * mklibgcc1.in: Fix typo last change.
2741 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
2743 * Makefile.in (WARN_CFLAGS): Add -pedantic -Wno-long-long.
2744 (LOOSE_CFLAGS): New: CFLAGS without -pedantic and -Wtraditional.
2745 (GCC_CFLAGS): Use it.
2746 (LANG_FLAGS_TO_PASS): New: SUBDIR_FLAGS_TO_PASS with LOOSE_CFLAGS.
2747 * cp/Make-lang.in, java/Make-lang.in, f/Make-lang.in, ch/Make-lang.in,
2748 objc/Make-lang.in: Use it.
2750 2000-05-03 Jason R Thorpe <thorpej@zembu.com>
2752 * config/i386/i386.md (lshrqi2_cmpno): Use q not r in constraint.
2754 2000-05-03 Richard Henderson <rth@cygnus.com>
2756 * mklibgcc.in: Restrict OLDCC=GCC test to native. Equate
2757 LIBGCC1 empty with libgcc1.null.
2759 Wed May 3 12:55:46 2000 Jim Wilson <wilson@cygnus.com>
2761 * fold-const.c (extract_muldiv, case MAX_EXPR): Don't allow signedness
2764 2000-05-03 Greg McGary <gkm@gnu.org>
2766 * tree.h (tree_common): Add bounded_flag member. Remove
2767 inaccurate comment about number of remaining bits.
2768 (BOUNDED_INDIRECT_TYPE_P, BOUNDED_POINTER_TYPE_P,
2769 BOUNDED_REFERENCE_TYPE_P, MAYBE_BOUNDED_INDIRECT_TYPE_P,
2770 MAYBE_BOUNDED_POINTER_TYPE_P, MAYBE_BOUNDED_REFERENCE_TYPE_P,
2771 TREE_BOUNDED, TYPE_MAIN_VARIANTS_PHYSICALLY_EQUAL_P,
2772 TYPE_MAIN_PHYSICAL_VARIANT, TYPE_BOUNDED): New macros.
2773 (TYPE_QUAL_BOUNDED): New constant.
2774 (TYPE_QUALS): Handle bounded qualifier.
2775 (TREE_EXPR_QUALS, TREE_FUNC_QUALS): New macros.
2776 (TYPE_BOUNDED_VALUE, TYPE_BOUNDED_BASE, TYPE_BOUNDED_EXTENT,
2777 TYPE_BOUNDED_SUBTYPE, TYPE_UNBOUNDED_VARIANT, TYPE_POINTER_DEPTH,
2778 TYPE_AMBIENT_BOUNDEDNESS): New macros.
2779 (MAX_POINTER_DEPTH, VA_LIST_POINTER_DEPTH): New constants.
2780 (tree_type): Add pointer_depth member. Remove
2781 inaccurate comment about number of remaining bits.
2782 (DECL_POINTER_DEPTH): Add macro.
2783 (tree_decl): Add pointer_depth member.
2785 Wed May 3 22:52:53 2000 Denis Chertykov <denisc@overta.ru>
2787 * config/avr/avr-protos.h (test_hard_reg_class): Declared.
2788 * config/avr/avr.c (ashrhi3_out): optimized shift by 15.
2789 (lshrhi3_out): Likewise.
2790 (ashrsi3_out): bugfix in shift by 8.
2791 (test_hard_reg_class): New function.
2792 * config/avr/avr.md: Bugfix inside conditions in peepholes.
2793 (ashlhi3): removed define_expand of this pattern.
2794 (*ashlhi3_insn): renamed to ashlhi3.
2795 (ashlsi3): removed define_expand of this pattern.
2796 (*ashlsi3_insn): renamed to ashlsi3.
2797 (ashrqi3): removed define_expand of this pattern.
2798 (*ashrqi3_insn): renamed to ashrqi3.
2799 (ashrhi3): removed define_expand of this pattern.
2800 (*ashrhi3_insn): renamed to ashrhi3.
2801 (ashrsi3): removed define_expand of this pattern.
2802 (*ashrsi3_insn): renamed to ashrsi3.
2803 (lshrhi3): removed define_expand of this pattern.
2804 (*lshrhi3_insn): renamed to lshrhi3.
2805 (lshrsi3): removed define_expand of this pattern.
2806 (*lshrsi3_insn): renamed to lshrsi3.
2808 2000-05-03 Rodney Brown <RodneyBrown@pmsc.com>
2810 * config/mcore/mcore.c: Replacing inclusion of "stdio,h" with
2811 inclusion of "system.h".
2813 Wed May 3 11:43:53 2000 Jim Wilson <wilson@cygnus.com>
2815 * config/ia64/ia64.c (ia64_encode_section_info): Add check for
2818 2000-05-03 David Mosberger <davidm@hpl.hp.com>
2820 * config/ia64/ia64.c (ia64_override_options): Force -mconstant-gp
2821 if -mauto-pic is on.
2822 (ia64_epilogue_uses): Mark "gp" (r1) as used by the epilogue if
2823 -mconstant-gp is in effect and function-descriptors are being used
2824 to make indirect calls.
2825 * config/ia64/ia64.h (MASK_CONST_GP): New macro.
2826 (MASK_AUTO_PIC): Ditto.
2827 (TARGET_CONST_GP): Ditto.
2828 (TARGET_AUTO_PIC): Ditto.
2829 (TARGET_SWITCHES): Add -mconstant-gp and -mauto-pic options.
2830 (ASM_OUTPUT_DOUBLE_INT): Don't generate @fptr() if -mauto-pic or
2831 -mno-pic is in effect.
2832 (ASM_OUTPUT_XDATA_DOUBLE_INT): Ditto.
2833 * config/ia64/ia64.md (movdi): Use gen_load_gprel64() if
2834 -mauto-pic is in effect.
2835 (gprel64_offset): New pattern.
2836 (load_gprel64): Ditto.
2837 (call): Handle -mauto-pic like -mno-pic (don't use fptr). If
2838 -mconstant-gp is in effect, no need to preserve gp around direct
2840 (call_value): Ditto.
2841 * config/ia64/linux.h (PROFILE_BEFORE_PROLOGUE): Define.
2842 (FUNCTION_PROFILER): Define.
2843 * config/ia64/sysv4.h (ASM_OUTPUT_CONSTRUCTOR): Don't generate
2844 @fptr() directive when -mno-pic or -mauto-pic is in effect.
2845 (ASM_OUTPUT_DESTRUCTOR): Ditto.
2847 2000-05-03 Richard Henderson <rth@cygnus.com>
2849 * Makefile.in (STAGESTUFF): Add libgcc libgcc.mk.
2850 (libgcc1.null, libgcc1.cross, libgcc1.a): Remove targets.
2851 (libgcc1-asm.a, libgcc1.S, libgcc2.a): Remove targets.
2852 (mklibgcc, libgcc.mk): New targets.
2853 (libgcc.a): Use libgcc.mk.
2854 (stmp-multilib): Likewise.
2855 (stmp-multilib-sub): Remove.
2856 (mostlyclean): Don't delete libgcc2 temp files.
2857 * configure.in (AC_PROG_CC_C_O): Add.
2858 (NO_MINUS_C_MINUS_O): Substitute it.
2859 (all_outputs): Add mklibgcc.
2860 * mklibgcc.in: New file.
2862 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
2864 * cppexp.c (op_t): Make an int.
2866 * rtlanal.c (dead_or_set_regno_p): Remove unused variable.
2868 * varasm.c (initializer_constant_valid_p): Fix parenthesis.
2870 * gensupport.c (process_rtx): Fix macros used.
2872 2000-05-03 Richard Henderson <rth@cygnus.com>
2874 * flow.c (propagate_one_insn): Also don't PROP_REG_INFO for
2875 call-clobbered registers of a call.
2877 Wed May 3 12:40:53 2000 Clinton Popetz <cpopetz@cygnus.com>
2879 * gensupport.c: New file.
2880 * gensupport.h: New file.
2881 * Makefile.in (HOST_RTL): Depend on gensupport.
2882 (gensupport.o) New rule.
2883 * genattr.c: Use gensupport for reading .md files.
2884 * genattrtab.c: Ditto.
2885 * gencodes.c: Ditto.
2886 * genconfig.c: Ditto.
2888 * genextract.c: Ditto.
2889 * genflags.c: Ditto.
2890 * genopinit.c: Ditto.
2891 * genoutput.c: Ditto.
2893 * genrecog.c: Ditto.
2894 * rtl.def (define_insn_and_split): New DEF_RTL_EXPR.
2895 * md.texi (Insn Splitting): Document define_insn_and_split.
2897 Tue May 2 00:20:30 2000 Jason Eckhardt <jle@cygnus.com>
2899 * flow.c (verify_flow_info): Added two more sanity checks. The
2900 first checks that the blocks are numbered consecutively. The second
2901 checks that n_basic_blocks is actually equal to the number of
2902 basic blocks in the insn chain.
2904 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
2906 * cpplib.h: Add accessor macros for token lists.
2907 * cpplib.c, cpphash.c, cpplex.c: Use them.
2909 Wed May 3 09:29:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2911 * expr.c (expand_expr, case COMPONENT_REF): Don't check for checking
2912 memory usage if not in a function.
2913 * varasm.c (initializer_constant_valid_p, case ADDR_EXPR): Only
2914 return address if static.
2916 Wed May 3 13:14:49 MET DST 2000 Jan Hubicka <jh@suse.cz>
2918 * ifcvt.c (noce_try_cmove_arith): Use may_trap_p to thest
2919 whether address may trap.
2921 Tue May 2 23:38:37 2000 Jason Eckhardt <jle@cygnus.com>
2923 * bb-reorder (chain_reorder_blocks): Changed code to test for
2924 EDGE_FALLTHRU rather than making erroneous assumption that the
2925 first outgoing edge is the fall-through edge.
2927 Tue May 2 18:20:31 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
2929 * config/mips/mips.c (mips_build_va_list,mips_va_start,mips_va_arg): new
2930 ABI for varargs, across all MIPS. This is incompatible because the
2931 va_list (__builtin_va_list) structure is different, so a compilation
2932 unit passing a va_list and a compilation unit being passed one, should
2933 both be compiled with the same ABI. (The old structure had two
2934 pointers, now it has three.)
2936 Tue May 2 19:18:43 2000 Jason Eckhardt <jle@cygnus.com>
2938 * bb-reorder.c (struct reorder_block_def): Remove members end,
2939 block_begin, and block_end.
2940 (REORDER_BLOCK_OLD_END): Delete.
2941 (REORDER_BLOCK_BEGIN): Delete.
2942 (REORDER_BLOCK_END): Delete.
2943 (chain_reorder_blocks): Remove dead code.
2945 Tue May 2 17:06:53 2000 Jason Eckhardt <jle@cygnus.com>
2947 * bb-reorder.c (remove_scope_notes): Check for both types of scope
2948 notes as the end of a basic block before deleting.
2950 2000-05-02 Mumit Khan <khan@xraylith.wisc.edu>
2952 * final.c (final_start_function): Fix spelling of "necessary".
2954 2000-05-02 Jason Merrill <jason@casey.cygnus.com>
2956 * toplev.c (debug_ignore_block): Return int.
2957 * dwarf2out.c (dwarf2out_ignore_block): Likewise.
2958 * toplev.h, dwarf2out.h: Adjust.
2959 * emit-rtl.c (remove_unnecessary_notes): Test return value.
2961 * emit-rtl.c (remove_unnecessary_notes): Fix spelling of "necessary".
2962 * toplev.c, final.c, rtl.h: Adjust.
2964 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
2966 * aclocal.m4 (gcc_AC_CHECK_PROG_VER): New macro.
2967 * configure.in: Look for makeinfo in the unified tree, then
2968 for a system makeinfo which is sufficiently new.
2969 * Makefile.in: If configure says makeinfo is too old, don't
2970 build or install Info documentation.
2972 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
2974 * cpphash.c (collect_params): Fix off-by-one error.
2975 (dump_hash_helper): Dump all four macro nodetypes.
2977 2000-05-02 Jakub Jelinek <jakub@redhat.com>
2979 * cpphash.c (trad_stringify): Adjust p after stringification as
2982 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
2984 * cpplib.h (CPP_POP, parse_cleanup_t): Delete.
2985 (cpp_buffer): Remove cleanup, seen_eof, manual_pop members.
2987 * cppfiles.c (file_cleanup): Delete.
2988 * cpphash.c (macro_cleanup): Delete.
2989 (collect_objlike_expansion, collect_funlike_expansion,
2990 macarg, scan_arguments): Remove CPP_POP case.
2992 * cpplex.c (null_cleanup): Delete.
2993 (cpp_pop_buffer): Do the work that was done in the cleanups
2994 here. Call _cpp_unwind_if_stack from here.
2995 (_cpp_expand_to_buffer, cpp_scan_buffer_nooutput,
2996 cpp_scan_buffer): Run until we see CPP_EOF and the top of
2997 stack is the buffer _below_ the one we stacked.
2998 (cpp_get_token): Always pop an exhausted buffer. Return
2999 CPP_EOF unless it's a macro buffer. Don't call _cpp_handle_eof.
3000 * cpplib.c (skip_if_group): Don't call cpp_get_token to
3001 increment the line number.
3002 (_cpp_handle_eof): Rename to _cpp_unwind_if_stack.
3004 * fix-header.c (read_scan_file) [parsing getchar()]: Run until
3005 we see CPP_EOF and the top of stack is the buffer _below_ the
3007 * scan-decls.c: Likewise.
3009 2000-05-02 Andrew Haley <aph@cygnus.com>
3011 * config/ia64/ia64.c (ia64_encode_section_info): Handle the case
3012 where this function is called for the second time on a decl that
3013 has had its section info changed in such a way as to move it out
3015 * config/ia64/ia64.h (REDO_SECTION_INFO_P): New definition.
3017 2000-05-01 Richard Henderson <rth@cygnus.com>
3019 * ifcvt.c (dead_or_predicable): Set merge_bb->end to the insn before
3020 the sequence we're moving, not to merge_bb->head.
3022 2000-05-01 Richard Henderson <rth@cygnus.com>
3024 * configure.in (alpha*-*-linux-gnulibc1*) [tmake_file]: Remove
3025 reference to alpha/t-linux.
3026 (alpha*-*-linux-gnu*): Likewise.
3027 * configure: Rebuild.
3029 * calls.c (expand_call): Don't emit reg notes for a sibcall.
3031 * flow.c (calculate_global_regs_live): Skip for_each_successor_phi
3034 * ifcvt.c (if_convert): Only verify_flow_info if ENABLE_CHECKING.
3036 2000-05-01 Jason Merrill <jason@casey.cygnus.com>
3038 * integrate.c (copy_decl_for_inlining): Copy TREE_READONLY and
3041 2000-05-01 Richard Henderson <rth@cygnus.com>
3043 * ifcvt.c (noce_emit_cmove): Conditionally compile call to
3044 emit_conditional_move.
3046 2000-05-01 Jakub Jelinek <jakub@redhat.com>
3048 * config/ia64/linux.h (LINK_SPEC): Use /lib/ld-linux-ia64.so.1
3049 as the dynamic linker.
3051 2000-05-01 Zack Weinberg <zack@wolery.cumb.org>
3053 * cppfiles.c (open_include_file): Open file in blocking mode.
3054 (read_include_file): Don't fcntl(fd, F_SETFL, 0) anymore.
3055 Only exclude block devices and directories.
3057 * cpphash.c (_cpp_make_hashnode): Rename make_HASHNODE, now
3058 static. Allocate the hashnode and its string in the same
3060 (del_HASHNODE): Don't free h->name.
3061 (_cpp_lookup): If there is no entry for this string, create
3062 one, of type T_VOID.
3063 (_cpp_lookup_slot): Delete.
3064 * cpphash.h: Update prototypes.
3066 * cpplex.c (maybe_macroexpand): Check for hp->type == T_VOID,
3068 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert,
3069 do_unassert, cpp_defined): Use _cpp_lookup. Don't create a
3070 node here, just fill in the value field properly. "Delete"
3071 entries by setting the value field to T_VOID. Check for
3072 hp->type == T_VOID, not hp == NULL.
3074 * Makefile.in (cpplib.o): Don't depend on $(HASHTAB_H).
3075 * cpperror.c, cppexp.c, cpplex.c, cpplib.c: Don't include
3078 2000-05-01 Alexandre Oliva <aoliva@cygnus.com>
3080 * config/mn10300/mn10300.c (print_operand_address): Do not add
3083 * config/mn10300/mn10300.c (expand_epilogue): If SP is to be
3084 adjusted by less than 256 bytes, use ret regardless of having any
3085 callee-saved register to restore.
3087 2000-05-01 Laurynas Biveinis <lauras@softhome.net>
3089 * tm.texi (TARGET_HAS_F_SETFLKW): Fix typo.
3091 2000-05-01 Mark Elbrecht <snowball3@bigfoot.com>
3093 * config/i386/djgpp.h (INT_ASM_OP): Define.
3094 (CPP_PREDEFINES): Rename MSDOS to __MSDOS__.
3095 (ASM_WEAKEN_LABEL): Define.
3096 (MASK_BNU210): Define.
3097 (SUBTARGET_SWITCHES): Define.
3098 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Define.
3099 (MAKE_DECL_ONE_ONLY): Define.
3100 (UNIQUE_SECTION_P, UNIQUE_SECTION): Define.
3102 2000-05-01 Mumit Khan <khan@xraylith.wisc.edu>
3104 * i386/cygwin.h (INT_ASM_OP): Define.
3106 Mon May 1 18:20:06 2000 Denis Chertykov <denisc@overta.ru>
3108 * config/avr/avr.c (address_cost): renamed to avr_address_cost.
3109 * config/avr/avr.h (ADDRESS_COST): use avr_address_cost.
3111 Mon May 1 17:50:44 2000 Denis Chertykov <denisc@overta.ru>
3113 * config/avr/avr.c (asm_file_start): output 0 as r0 and 1 as r1 in
3114 __tmp_reg__ and __zero_reg__ initialization.
3116 2000-04-30 Richard Henderson <rth@cygnus.com>
3118 * flow.c (propagate_one_insn): Mark sets even when the insn is dead.
3120 * ifcvt.c (noce_process_if_block): Fail the conversion if X is
3121 referenced bewteen the condition and the jump. Don't delete
3122 anything but the jump.
3124 Sun Apr 30 22:48:24 2000 Jason Eckhardt <jle@cygnus.com>
3126 * bb-reorder.c (scope_def): New struct.
3127 (scope_forest_info): New struct.
3128 (struct reorder_block_def): New member "scope".
3129 (REORDER_BLOCK_SCOPE): New macro.
3130 (relate_bbs_with_scopes): New function and prototype.
3131 (make_new_scope): Likewise.
3132 (build_scope_forest): Likewise.
3133 (remove_scope_notes): Likewise.
3134 (insert_intra_1): Likewise.
3135 (insert_intra_bb_scope_notes): Likewise.
3136 (insert_inter_bb_scope_notes): Likewise.
3137 (rebuild_scope_notes): Likewise.
3138 (free_scope_forest_1): Likewise.
3139 (free_scope_forest): Likewise.
3140 (dump_scope_forest): Likewise.
3141 (dump_scope_forest_1): Likewise.
3142 (chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
3143 Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
3145 (reorder_basic_blocks): Added calls to build_scope_scope_forest
3146 and remove_scope_notes before reordering is done. Added calls to
3147 rebuild_scope_notes, free_scope_forest, and reorder_blocks after
3148 after reordering is done.
3150 2000-40-30 Bruce Korb <bkorb@gnu.org>
3152 * fixinc/inclhack.def: Added definitions needed by OSR5,
3153 removed two stale entries (defined away with OLD_CPP).
3154 * fixinc/inclhack.sh: regen
3155 * fixinc/fixincl.x: regen
3157 2000-04-30 Richard Henderson <rth@cygnus.com>
3159 * ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
3160 from the last insn in the sequence.
3162 2000-04-30 Zack Weinberg <zack@wolery.cumb.org>
3164 * cpplex.c (cpp_idcmp): New function.
3165 * cpplib.h: Prototype it.
3166 * scan_decls.c (scan_decls): Use it to inspect token names.
3167 * fix-header.c (read_scan_file): Likewise. Set system_header_p on
3168 the file being run through the preprocessor.
3169 (check_macro_names): Provide length of token to cpp_defined.
3171 * Makefile.in: Remove stale warning message.
3173 * cppfiles.c (redundant_include_p): Provide length of token to
3175 * cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
3176 values are unsigned int.
3177 (_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
3178 (_cpp_lookup_slot): Do not calculate the hash, either.
3179 * cpphash.h: Update prototypes.
3180 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
3181 Hashes are unsigned int. Calculate hash here, pass by value
3182 to _cpp_lookup_slot.
3184 2000-04-30 Bernd Schmidt <bernds@cygnus.co.uk>
3186 * simplify-rtx.c (check_value_useless): Delete function.
3187 (discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
3189 (cselib_invalidate_regno): Likewise.
3190 (cselib_invalidate_mem_1): Likewise.
3191 (references_value_p): Recognize useless values by the fact that they
3193 (discard_useless_values): Likewise.
3194 (cselib_record_set): This may turn a useless value
3197 2000-04-30 Richard Henderson <rth@cygnus.com>
3199 * config/d30v: New port.
3201 * configure.in (d30v-*): Set fp format.
3202 * configure: Rebuild.
3204 2000-04-30 Richard Henderson <rth@cygnus.com>
3206 * ifcvt.c: New file.
3207 * Makefile.in (OBJS): Add it.
3208 (ifcvt.o): New target.
3209 * jump.c (jump_optimize_1): Remove all code related to if-conversion,
3210 and conditional arithmetic.
3211 (find_insert_position): Remove.
3212 * timevar.def (TV_IFCVT, TV_IFCVT2): New.
3213 * toplev.c (DFI_ce, DFI_ce2): New.
3214 (dump_file): Add ce and ce2 dumps.
3215 (rest_of_compilation): Run if_convert a couple o times. Set
3216 cse_not_expected after cse2. Don't set no_new_pseudos until
3217 after sched1 or recompute_reg_usage.
3219 2000-04-30 Richard Henderson <rth@cygnus.com>
3221 * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
3222 (crtend.o, crtbeginS.o, crtendS.o): Likewise.
3224 2000-04-30 Richard Henderson <rth@cygnus.com>
3226 * flow.c (struct reg_cond_life_info): New.
3227 (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
3228 (init_propagate_block_info): Initialize them.
3229 (free_propagate_block_info): Destruct them.
3230 (mark_set_1): Consider conditional life before killing a register.
3231 (mark_regno_cond_dead): New.
3232 (free_reg_cond_life_info): New.
3233 (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
3234 (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
3235 (mark_used_reg): Record conditional life.
3237 * haifa-sched.c (schedule_insns): Disable death counting
3238 sanity check for HAVE_conditional_execution.
3240 2000-04-30 Richard Henderson <rth@cygnus.com>
3242 * Makefile.in (TIMEVAR_H): New.
3243 (ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
3244 (timevar.h): Remove rule.
3246 2000-04-29 Richard Henderson <rth@cygnus.com>
3248 * config/alpha/crtend.asm: Use C comments instead of #.
3249 * config/alpha/crtbegin.asm: Likewise. Mark __dso_handle hidden.
3251 * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
3253 2000-04-29 Zack Weinberg <zack@wolery.cumb.org>
3255 * cpphash.h (enum node_type: Take out T_MCONST.
3256 (union hashval): Move into struct hashnode.
3257 (struct hashnode): Pack tighter. Remove file, line, col
3259 * cpphash.c: Constify most of the macro-definition structures.
3260 (struct definition): Replace by struct object_defn
3261 and struct funct_defn. Put file, line, column information
3262 here. All users updated to match.
3263 (_cpp_create_definition, _cpp_macroexpand): Remove special
3264 case for #define WORD OTHERWORD.
3265 * cpplib.c (do_undef): Remove T_MCONST case.
3267 * cpphash.h: Move struct reflist, struct definition, and the
3268 DEFINITION typedef to cpphash.c. Use 'struct definition *' in
3269 union hashval. _cpp_free_definition takes a HASHNODE pointer.
3270 * cpphash.c (_cpp_free_definition): Free data pointed to by
3271 MCONST, XCONST, MACRO, and FMACRO nodes properly.
3272 (_cpp_create_definition, del_HASHNODE): Just call
3273 _cpp_free_definition to clear out a hashnode.
3274 * cpplib.c (do_pragma_poison): Likewise.
3276 Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
3278 * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
3279 LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
3280 FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
3281 (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
3282 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
3283 REGNO_AM33_P): Redefine in terms of the new macros.
3284 (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
3285 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
3286 STRUCT_VALUE): Likewise.
3287 (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
3288 ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
3290 Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
3292 * regmove.c (struct record_stack_memrefs_data): New.
3293 (record_stack_memrefs): New function.
3294 (combine_stack_adjustments_for_block): Use it.
3296 Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
3298 * calls.c (calls_function_1): Propertly handle TREE_LIST expressions;
3299 use special_function_p to detect alloca.
3301 Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
3303 * gcc.texi: Fixes for makeinfo 4.0 --html.
3305 2000-04-28 Zack Weinberg <zack@wolery.cumb.org>
3307 * pcp.h: Delete file.
3309 2000-04-28 Kazu Hirata <kazu@hxi.com>
3311 * h8300.c (function_epilogue): Clean up flags when the last insn
3312 in a function is a barrier.
3314 2000-04-28 Chris Demetriou <cgd@sibyte.com>
3316 * configure.in (sparc-hal-solaris2*): protect [] glob from
3318 (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
3319 rather than hard-coded constants in target_cpu_default2.
3320 * configure: Regenerate.
3322 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
3324 * tree.c (get_callee_fndecl): Extract the initial value from
3327 2000-04-28 Richard Henderson <rth@cygnus.com>
3329 * varasm.c (record_constant_1): Record the CODE_LABEL when
3330 taking the address of a LABEL_REF.
3332 2000-04-28 Richard Henderson <rth@cygnus.com>
3333 Jan Hubicka <jh@suse.cz>
3335 * calls.c (combine_pending_stack_adjustment_and_call): Return the
3336 adjustment; don't do the stack adjust.
3337 (expand_call): Call compute_argument_block_size right before
3338 allocating the block; update comment; don't do alignment sanity
3339 checking for sibling call; use args_size instead of
3340 unadjusted_args_size before args_size is adjusted. Use
3341 combine_pending_stack_adjustment_and_call to compute stack adjust
3342 for must_preallocate case.
3344 * expr.c (push_block): Remove shadow `temp' in inner scope.
3346 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
3348 * toplev.c (rest_of_compilation): Call
3349 note_deferral_of_defined_inline_function even if the function
3352 2000-04-28 Scott Bambrough <scottb@netwinder.org>
3354 * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
3356 2000-04-28 Richard Henderson <rth@cygnus.com>
3358 * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
3360 2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3362 * timevar.c (init_timevar): DeANSIfy function definition.
3364 2000-04-27 Alex Samuel <samuel@codesourcery.com>
3366 * Makefile.in (timevar.o): Depend on flags.h.
3367 * timevar.c (unused_stack_instances): New variable.
3368 (timevar_push): Take a timevar_stack_def from
3369 unused_stack_instances if available.
3370 (timevar_pop): Push the popped timevar_stack_def onto
3371 unused_stack_instances.
3372 (TIMEVAR_ENABLE): New macro.
3373 (timevar_def): Make standalone a 1-bit field. Add field used.
3374 (get_time): Rename parameter to now. Return after clearing it if
3376 (init_timevar): Do nothing if not TIMEVAR_ENABLE.
3377 (timevar_pop): Likewise.
3378 (timevar_stop): Likewise.
3379 (timevar_push): Likewise. Mark the timing variable as used.
3380 (timevar_start): Likewise.
3381 (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
3382 timevars that were never used.
3384 2000-04-27 Mark Mitchell <mark@codesourcery.com>
3386 * c-common.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
3387 always TREE_READONLY.
3389 2000-04-27 Ulrich Drepper <drepper@cygnus.com>
3391 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
3392 for call instruction with mode QImode.
3394 2000-04-27 Alex Samuel <samuel@codesourcery.com>
3396 * Makefile.in (OBJS): Add timevar.o.
3397 (toplev.o): Depend on timevar.h.
3398 (ggc-simple.o): Likewise.
3399 (ggc-page.o): Likewise.
3400 (timevar.o): New rule.
3401 (timevar.h): New rule.
3403 * timevar.h: New file.
3404 * timevar.c: Likewise.
3405 * timevar.def: Likewise.
3407 * toplev.h (gc_time, parse_time, varconst_time): Remove.
3408 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
3410 (TIMEVAR): Remove macro.
3411 (gc_time, parse_time, varconst_time, integration_time, jump_time,
3412 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
3413 flow_time, combine_time, regmove_time, sched_time,
3414 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
3415 sched2_time, dbr_sched_time, reorder_blocks_time,
3416 rename_registers_time, shorten_branch_time, stack_reg_time,
3417 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
3419 (compile_file): Don't initialize time variables. Call
3420 init_timevar and start TV_TOTAL timer. Call timevar_print instead
3421 of many calls to print_time.
3422 (rest_of_compilation): Add timing for reload_cse_regs.
3423 (get_run_time): Removed to timevar.c.
3424 (print_time): Likewise.
3425 (get_run_time): Implement using TV_TOTAL time variable.
3426 (print_time): Get total run time from get_run_time.
3427 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
3428 computing elapsed time explicitly.
3429 * ggc-simple.c (ggc_collect): Likewise.
3430 (gc_time): Remove declaration.
3432 2000-04-27 Mark Mitchell <mark@codesourcery.com>
3434 * calls.c (combine_pending_stack_adjustment_and_call): New function.
3435 (expand_call): Use it.
3437 2000-04-27 Jan Hubicka <jh@suse.cz>
3439 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
3442 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
3444 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
3447 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
3449 * function.c (epilogue_done): Pass whole insn to record_insns.
3451 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
3453 * cse.c (CSE_ADDRESS_COST): Remove.
3454 (find_best_addr): Add new parameter "MODE", use address_cost instead
3456 (address_cost): New.
3457 (fold_rtx): Update call of find_best_addr.
3458 * rtl.h (address_cost): Declare.
3459 * loop.c (general_induction_var): Add new parameter "MODE", use
3460 address_cost instead of ADDRESS_COST
3461 (init_loop): Use address_cost instead of ADDRESS_COST.
3462 (check_insn_for_givs): Update call of general_induction_var.
3463 (find_mem_givs): Likewise.
3464 (consec_sets_giv): Likewise.
3465 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
3466 * i386.c (ix86_address_cost): New.
3467 * i386-protos.h (ix86_address_cost): Declare.
3469 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
3471 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
3474 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
3476 * expr.c (store_expr): Use clear_storage instead of direct memset
3479 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
3481 * config/mn10300/mn10300.c (mn10300_address_cost): Test
3482 ASHIFT, AND and LABEL_REF.
3484 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
3486 * invoke.texi (-foptimize-sibling-calls): Fix.
3488 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
3490 * loop.c (load_mems) Don't use hard registers for the hoisting.
3492 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
3493 calculation; rename const_equiv array in the preconditioning code
3494 from loop_unroll to loop_unroll_precondition
3496 2000-04-27 Richard Henderson <rth@cygnus.com>
3498 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
3500 (propagate_one_insn): Clear it. Don't update reg_live here.
3501 (init_propagate_block_info): Update for pbi member changes.
3502 (free_propagate_block_info): Likewise.
3503 (mark_set_1): Know that zero_extract, sign_extract, and
3504 strict_low_part don't kill their argument. Alter hard subregs.
3505 Update new_set for non-CLOBBER sets. Update reg_live.
3506 (find_auto_inc): Update reg_live, not new_dead.
3507 (mark_used_reg): Update reg_live, not new_live. Examine new_set
3508 to determine if the reg in question was set this insn. Only update
3509 reg info with PROP_REG_INFO.
3511 2000-04-26 Richard Henderson <rth@cygnus.com>
3513 * flow.c (allocate_reg_life_data): Set max_regno here ...
3514 (life_analysis): ... not here.
3516 * flow.c (calculate_global_regs_live): Force stack pointer
3519 2000-04-26 Richard Henderson <rth@cygnus.com>
3521 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
3522 commit change group changes.
3523 (invert_exp_1): Similarly.
3524 (redirect_exp, invert_exp): Use them.
3525 (redirect_jump_1): New.
3526 (invert_jump_1): New.
3527 (jump_optimize_1): Remove code subsumed by condexec.c.
3528 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
3530 2000-04-26 Richard Henderson <rth@cygnus.com>
3532 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
3534 * genconfig.c (main): Set all HAVE_foo to 1.
3536 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
3538 2000-04-26 Alex Samuel <samuel@codesourcery.com>
3540 * invoke.texi: Document -fssa flag.
3542 2000-04-26 Richard Henderson <rth@cygnus.com>
3544 * flow.c (count_reg_sets_1): Remove.
3545 (count_reg_sets, count_reg_references): Remove.
3546 (recompute_reg_usage): Implement with update_life_info.
3547 Reallocate life data.
3549 2000-04-26 Richard Henderson <rth@cygnus.com>
3551 * flow.c (update_life_info): Consider blocks null to mean the
3553 (calculate_global_regs_live): Likewise.
3554 (life_analysis): Do that instead of collecting all_blocks.
3556 2000-04-26 Richard Henderson <rth@cygnus.com>
3558 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
3559 a still-valid conditional jump.
3561 2000-04-26 Richard Henderson <rth@cygnus.com>
3563 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
3565 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
3566 * flow.c (calculate_loop_depth): Remove.
3567 * output.h (calculate_loop_depth): Don't declare.
3568 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
3569 inline; run estimate_probability at the same time.
3571 2000-04-26 Neil Booth <NeilB@earthling.net>
3573 * cpplib.h: "~=" is not a single pp-token.
3574 * cpplex.c: Correct commentary.
3576 2000-04-26 Richard Henderson <rth@cygnus.com>
3578 * flow.c (mark_set_1): New arguments code and flags; update all
3579 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
3580 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
3581 loop_depth when optimizing for size. Do new_dead update after
3582 emitting REG_UNUSED notes. Merge mark_set_reg code.
3583 (mark_set_reg): Remove.
3584 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
3585 arrange to not emit REG_UNUSED notes.
3587 2000-04-26 Richard Henderson <rth@cygnus.com>
3589 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
3590 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
3592 2000-04-26 Richard Henderson <rth@cygnus.com>
3594 * flow.c (propagate_one_insn): Break out from propagate_block.
3595 (init_propagate_block_info): Likewise.
3596 (free_propagate_block_info): Likewise.
3597 (propagate_block): Use them. Export.
3598 * basic-block.h: Declare them all.
3600 2000-04-26 Richard Henderson <rth@cygnus.com>
3602 * basic-block.h (life_analysis): Declare here ...
3603 * output.h: ... not here.
3604 * flow.c (life_analysis): Remove nregs parameter; replace
3605 remove_dead_code with flags. Remove ssa dead code check.
3606 Only init alias analysis if we'll use it.
3607 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
3608 * ssa.c (convert_to_ssa): Likewise.
3609 (convert_from_ssa): Likewise.
3610 * toplev.c (rest_of_compilation): Likewise.
3612 2000-04-26 Richard Henderson <rth@cygnus.com>
3614 * flow.c (flow_delete_block): Rename from delete_block. Export.
3615 * basic-block.h (flow_delete_block): Declare.
3617 2000-04-26 David S. Miller <davem@redhat.com>
3619 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
3620 taking a PATTERN of it.
3622 2000-04-26 <NeilB@earthling.net>
3624 * cpplex.c (spell_other, spell_char): Remove.
3626 (token_spelling, trigraph_map): Use unsigned chars.
3627 (_cpp_lex_line): Tidy up the switch statement.
3628 * cpplib.h: Implement spell_char with spell_string.
3631 2000-04-26 <RodneyBrown@pmsc.com>
3633 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
3634 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
3636 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3638 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
3639 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
3640 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
3641 dwarf2out_return_save, dwarf2out_return_reg,
3642 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
3643 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
3644 gen_compile_unit_die, dwarf2out_init): Constify a char*.
3646 * dwarf2out.h (dwarf2out_init): Likewise.
3648 * dwarfout.c (filename_entry, primary_filename, last_filename,
3649 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
3651 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
3652 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
3653 dwarf2out_return_reg): Likewise.
3655 2000-04-26 Andreas Jaeger <aj@suse.de>
3657 * extend.texi (Function Attributes): Fix description of pure
3660 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
3662 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
3663 before calling rest_of_compilation.
3665 2000-04-26 Andreas Jaeger <aj@suse.de>
3667 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
3670 2000-04-25 Richard Henderson <rth@cygnus.com>
3672 * cse.c (cse_insn): Emit barrier after unconditional jump.
3674 * calls.c (expand_call): Disable tail call generation once
3675 rtx_equal_function_value_matters is false.
3677 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
3680 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
3682 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
3684 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
3686 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
3687 is the primary DIE for a member function.
3688 (gen_decl_die): Call set_decl_origin_self here.
3689 * dwarfout.c (output_decl): And here.
3690 * integrate.c (output_inline_function): Not here.
3691 Don't clear DECL_INLINE until after calling rest_of_compilation.
3692 (set_decl_origin_self): No longer static.
3693 * tree.h: Add prototype.
3694 * toplev.c (note_deferral_of_defined_inline_function): Only write
3695 out abstract instance for actual inlines.
3697 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
3699 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
3700 EXTENDED_REGS only if TARGET_AM33.
3701 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
3702 SP_REGS to register allocation and reloading unless absolutely
3704 (movsi3): Remove special-case of adding non-constants to SP.
3706 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3708 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
3709 INCLUDES to search and does not provide any of its own. Also it
3710 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
3711 parameters. Also it does not call AC_DEFINE.
3712 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
3713 AC_DEFINE and provides for automatic entries for autoheader.
3714 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
3716 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
3717 so we can pass -I flags and include gansidecl.h/system.h in this
3720 * acconfig.h: Delete all NEED_DECLARATION_* entries.
3722 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3724 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
3725 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
3726 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
3728 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
3729 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
3730 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
3731 for these macros. Clean up spacing and linewraps.
3733 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
3735 * calls.c (expand_call): Use get_callee_fndecl.
3737 * print-tree.c (print_node): Print the chain of an _EXPR.
3739 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
3740 Jim Wilson <wilson@cygnus.com>
3741 Andrew Haley <aph@cygnus.com>
3743 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
3744 and gp save/restore problems.
3745 * config/ia64/crtend.asm: Add IA-64 unwind support.
3746 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
3747 in fr_pad_size calculation.
3748 (save_restore_insns): Move PR save area. Correct uses of
3749 RTX_FRAME_RELATED_P.
3750 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
3751 (ia64_expand_epilogue): Add eh_epilogue support.
3752 (ia64_function_prologue): Emit .prologue directive.
3753 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
3754 (ia64_override_options): Set init_machine_status and
3755 mark_machine_status.
3756 (rtx_needs_barrier): Handle bsp reads and writes.
3757 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
3758 New static variables.
3759 (process_set, process_for_unwind_directive): New functions.
3760 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
3761 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
3762 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
3764 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
3765 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
3766 (struct machine_function): Define.
3767 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
3769 2000-04-25 Bruce Korb <bkorb@gnu.org>
3771 * fixinc/Makefile.in: make the removal of old programs more
3773 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
3774 install-bin and install-sh
3776 2000-04-25 Nick Clifton <nickc@cygnus.com>
3778 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
3779 defined, define to return zero.
3780 (function_cannot_inline_p): If a function has any target
3781 specific attributes, then use the macro
3782 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
3783 whether it can be inlined. If it cannot, issue a suitable
3786 * tm.texi: Add a new node 'Inlining' to document the new macro
3787 FUNCTION_ATTRIBUTE_INLINABLE_P.
3789 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
3791 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
3794 2000-04-25 Neil Booth <NeilB@earthling.net>
3796 Restore previous patch, plus the following fixes:
3798 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
3799 flags, not CPP_OPEN_PAREN.
3800 * cpplex.c (expand_token_space, init_token_list,
3801 cpp_free_token_list): Put the dummy token at list->tokens[-1].
3802 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
3804 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3806 * config/i386/freebsd.h (INT_ASM_OP): Define.
3808 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
3810 * loop.c (strength_reduce): Fix typo in the last checkin.
3812 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3814 * stor-layout.c (finalize_record_size): Simplify to use existing
3816 (compute_record_mode): No longer static.
3817 * tree.h (compute_record_mode): New declaration.
3819 2000-04-25 Neil Booth <NeilB@earthling.net>
3821 * Revert my patch below until cause of build failures
3824 2000-04-25 Richard Henderson <rth@cygnus.com>
3826 * combine.c (combine_instructions): Add missing argument
3829 * toplev.c (rest_of_compilation): Delay sibcall optimization
3830 until after emit_eh_context.
3832 2000-04-24 Nick Clifton <nickc@redhat.com>
3834 * combine.c (combine_instructions): Do not try to combine a
3835 sequence of insns when the second insn has been replaced by a
3838 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
3840 * gcc.c (load_specs): New static function.
3841 (read_specs): Use it.
3843 * gcc.c (lookup_compiler): Make multiple passes for case
3844 insensitive filesystems.
3846 2000-04-24 Neil Booth <NeilB@earthling.net>
3848 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
3849 * cpphash.h (_cpp_check_directive): new.
3850 * cpplex.c (handle_newline, cpp_free_token_list,
3851 init_trigraph_map, trigraph_ok, trigraph_replace,
3852 backslash_start, skip_block_comment, skip_line_comment,
3853 skip_whitespace, parse_name, parse_number, parse_string,
3854 copy_comment, _cpp_lex_line, spell_char, spell_string,
3855 spell_comment, spell_name, spell_other, _cpp_lex_file,
3856 _cpp_output_list): new.
3857 (expand_name_space): take length argument.
3858 (init_token_list): add comment list initialisation.
3859 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
3860 instead of HSPACE_BEFORE.
3862 * cpplib.c (_cpp_check_directive): new
3863 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
3864 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
3865 (HSPACE_BEFORE): delete.
3866 (TTYPE_TABLE): rearrange.
3867 (struct cpp_toklist): update.
3869 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3871 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
3872 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
3873 argument form of AC_DEFINE.
3875 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
3876 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
3877 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
3878 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
3879 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
3881 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
3883 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3885 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
3886 deduced.h): Use -isystem, not -I, for including system headers.
3888 2000-04-24 Nick Clifton <nickc@cygnus.com>
3890 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
3891 the source register is the frame pointer or arg pointer.
3892 (addsi3_small_int): Disallow if source register is the frame
3893 pointer or arg pointer.
3895 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3897 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
3898 call to AC_MSG_RESULT.
3900 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3902 * invoke.texi: Correct grammatical errors, document
3903 -fno-gnu-keywords as identical to -fno-asm for C++.
3905 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3907 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
3908 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
3909 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
3910 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
3911 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
3913 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
3914 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
3915 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
3916 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
3919 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
3921 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
3922 (pop_alignment): Likewise.
3923 (handle_pragma_token): Likewise.
3925 2000-04-24 Robert Lipe <robertlipe@usa.net>
3927 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
3929 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
3931 * combine.c (try_combine): Update reg_nonzero_bits of
3932 newi2pat before newpat.
3934 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
3936 * loop.c (strength_reduce): Simplify test to INSN_P.
3937 (record_giv): Attempt to simplify the add value, use CONSTANT_P
3938 expressions instead of CONST_INT.
3939 (express_from_1): Likewise.
3941 2000-04-24 Mark Mitchell <mark@codesourcery.com>
3943 * regs.h (reg_n_max): Don't declare.
3944 * flow.c (reg_n_max): Don't define.
3945 * regclass.c (renumber): Don't initialize to zero.
3946 (regno_allocated): Likewise.
3947 (reg_n_max): Define.
3948 (allocate_reg_info): Don't initialize unnecessarily.
3950 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
3952 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
3953 and blockage_p in the newly allocated attribute.
3955 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
3957 * config/mn10300/mn10300.md (addsi): `inc4' on address
3958 registers does not modify cc, but `inc' on an extended
3961 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
3963 * reload.c (find_equiv_reg): Checks all valueno regs
3964 as a reload_reg_p regs.
3966 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
3968 * cpphash.c (collect_objlike_expansion): Add sanity check.
3969 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
3970 the buffer is the empty string, return. Mark __DATE__ and
3971 __TIME__ as XCONST nodes, not MCONST.
3972 (_cpp_macroexpand): Avoid pushing an empty buffer.
3973 (funlike_macroexpand): Don't pop token_buffer here.
3975 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
3977 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
3978 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
3979 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
3980 (REGNO_OK_FOR_BASE_P): Define in terms of them.
3981 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
3982 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
3983 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
3985 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
3987 * loop.c (simplify_giv_expr): Be more agressive on simplifying
3990 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
3992 * cpphash.h (struct definition): Move file, line, col members...
3993 (struct hashnode): ... here. Also add 'disabled' flag.
3994 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
3995 T_IDENTITY. Remove T_DISABLED.
3998 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
3999 (collect_expansion): Split into collect_objlike_expansion and
4000 collect_funlike_expansion.
4001 (_cpp_macroexpand): Split out scan_arguments, stringify, and
4002 funlike_macroexpand.
4003 (_cpp_compare_defs): Rename compare_defs, make static.
4004 (_cpp_make_hashnode): Initialize hp->disabled.
4005 (macro_cleanup): Adjust for new token types. Clear
4007 (_cpp_create_definition): Move code here to determine what
4008 sort of macro it is, and code to check for redefinitions, from
4009 do_define. Implement a few simple cases without creating a
4011 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
4012 Handle the simple cases.
4013 (push_macro_expansion): Set buf->has_escapes and hp->disabled
4016 * cppinit.c (builtin_array): Change MCONST to XCONST
4018 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
4019 fix check for disabled and function-like macros.
4020 * cpplib.c (do_define): Move most logic to
4021 _cpp_create_definition.
4022 (do_undef): Handle new special token types.
4024 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
4026 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
4027 of CONSTANT_P for mult_val; always use validate_change to update insn.
4029 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
4031 * cpphash.c (trad_stringify, add_pat): New functions.
4032 (collect_expansion): Restore support for -traditional syntax.
4033 Use trad_stringify and add_pat.
4034 (_cpp_macroexpand): Restore support for -traditional semantics.
4035 * cpplex.c (_cpp_scan_line): Don't change space_before if we
4036 get a COMMENT token.
4037 (_cpp_lex_token): Provide COMMENT tokens to caller if
4038 traditional and parsing_define_directive.
4039 (skip_comment): Warn about // comments if -Wtraditional.
4040 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
4042 (do_undef): Don't warn about undefining EMPTY nodes.
4044 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
4046 * loop.c (strength_reduce): Fix biv removal code.
4048 2000-04-22 Richard Henderson <rth@cygnus.com>
4050 * predict.c (estimate_probability): Examine both sides of
4051 a branch for no exits. Use 90% not 50% for predict taken.
4052 Reorg for one copy of note generation code.
4054 2000-04-22 Richard Henderson <rth@cygnus.com>
4056 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
4058 2000-04-22 Richard Henderson <rth@cygnus.com>
4060 * diagnostic.c (init_output_buffer): Don't initialize format_args.
4061 (output_clear): Likewise.
4062 (output_printf): Use va_copy.
4063 (vline_wrapper_message_with_location): Likewise.
4064 (v_message_with_decl): Likewise.
4065 (line_wrapper_printf): VA_START infor buffer.format_args directly.
4066 * system.h (va_copy): Provide default implementation.
4068 2000-04-22 Richard Henderson <rth@cygnus.com>
4070 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
4071 the collected condition is not a constant.
4073 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
4075 * diagnostic.h: New file.
4077 * Makefile.in (diagnostic.o): Depends on diagnostic.h
4079 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
4080 various function prototypes.
4081 (diagnostic.h): #include.
4082 (struct output_buffer): Move into diagnostic.h.
4083 (get_output_prefix): Rename to output_get_prefix. Export.
4084 (init_output_buffer): Export. Break out. Ajust intialization.
4085 (output_space_left, output_append): Export.
4086 (output_newline): Rename to output_add_newline. Export.
4087 (output_clear): Nullify additional output_buffer fields.
4088 (output_puts): Rename to output_add_string. Export.
4089 (dump_output): Rename to output_flush_on. Export.
4090 (build_location_prefix): Constify return-type.
4091 (emit_output_prefix): Rename to output_emit_prefix. Export.
4092 (set_real_maximum_length): New function.
4093 (output_set_maximum_length): Ditto
4094 (output_clear): Ditto.
4095 (output_add_character): Ditto.
4096 (output_add_integer): Ditto.
4097 (output_add_space): Ditto.
4098 (output_format): Ditto.
4099 (output_printf): Adjust buffer initialization.
4100 (vline_wrapper_message_with_location): Ditto.
4101 (v_message_with_decl): Ditto. Adjust call to output_puts
4102 and get_output_prefix.
4103 (default_print_error_function): Adjust buffer intialization.
4105 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4107 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
4110 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
4112 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
4115 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
4117 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
4118 accurate data about SP moves.
4120 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
4122 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
4123 aliases to AM33 registers.
4125 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
4127 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
4128 to all EXTENDED bitmaps.
4130 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
4132 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
4133 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
4134 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
4136 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
4138 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
4139 the operand is not constant.
4141 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
4143 * reload.c (find_equiv_reg): Checks all valueno and regno regs
4144 as a call-clobbered regs.
4146 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4148 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
4150 * rtl.def: Update comment.
4151 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
4152 * integrate.c (expand_inline_function): Likewise.
4153 * profile.c (branch_prob): Likewise.
4154 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
4155 * print-rtl.c (print_rtx): Likewise.
4156 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
4157 (reemit_notes): Likewise; also use enum insn_note.
4159 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
4160 (place_field): Properly compute know and actual alignment.
4162 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
4165 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
4168 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
4170 * cpphash.c (struct arg, struct arglist): Const-ify strings.
4171 (warn_trad_stringify, duplicate_arg_p): New helper functions.
4172 (collect_expansion): Rewrite to scan over a token list.
4173 Remove -traditional support.
4174 (collect_formal_parameters): Rename to collect_params; rewrite
4175 to scan over a token list.
4176 (_cpp_create_definition): Adjust to scan a token list.
4177 (_cpp_macroexpand): Remove -traditional support.
4178 (_cpp_compare_defs): Whitespace is now canonicalized.
4179 (comp_def_part): Delete function.
4181 * cpphash.h: Update prototypes.
4182 * cpplex.c (init_token_list): Don't set lineno if there is no
4184 (pedantic_whitespace): New function.
4185 (_cpp_scan_line): Mark tokens that had hspace before. Don't
4186 consume a newline. Use pedantic_whitespace.
4187 (_cpp_lex_token): Remove support for -traditional macros.
4188 (_cpp_get_define_token): Delete.
4189 (_cpp_get_directive_token): Do the real work here. Use
4190 pedantic_whitespace.
4191 (_cpp_init_input_buffer): Initialize pfile->directbuf.
4193 * cpplib.c (get_macro_name): Delete.
4194 (do_define): Read the entire line into pfile->directbuf, then
4195 feed the token list to _cpp_create_definition.
4196 * cpplib.h (HSPACE_BEFORE): new define.
4197 (struct cpp_reader): Add a toklist member, "directbuf".
4199 * predict.c (estimate_probability): New heuristic: if a jump
4200 branches around a block with no successors, predict it taken.
4201 Disentangle control flow.
4203 2000-04-20 Richard Henderson <rth@cygnus.com>
4205 * loop.c (emit_iv_add_mult): Revert last change.
4207 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
4209 * cpplib.h (enum cpp_ttype): Add token types for all
4210 punctuators. Distinguish pp-numbers from valid C numbers.
4211 Give some tokens better names. Initialize from macro.
4212 (struct cpp_name, cpp_token, cpp_toklist): New data
4215 * cpplex.c (bump_column, expand_name_space,
4216 expand_token_space, init_token_list, cpp_output_list,
4217 _cpp_scan_line): New functions.
4218 (output_line_command): Add third argument, new line number.
4219 * cpphash.h: Update prototypes.
4220 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
4223 2000-04-20 Richard Henderson <rth@cygnus.com>
4225 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
4227 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
4229 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
4232 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
4234 * loop.c (emit_iv_add_mult): Simplify it's input and emit
4235 REG_EQUAL note explaining the calculated value.
4237 * calls.c (expand_call): Avoid unnecesary precalculation
4238 and outgoing parameters space guarding for sibling calls.
4239 (store_one_arg): Likewise.
4241 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4243 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
4244 (rest_of_compilation): Write sibling dump file and account
4245 for time as jump time.
4246 * invoke.texi: Update documentation on dump flags.
4248 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
4250 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
4252 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
4254 * cpphash.c (special_symbol): Represent an empty macro with
4255 "\r \r " not just "\r ".
4256 (_cpp_macroexpand): Correct condition for the foo ( ) special
4258 (unsafe_chars): Handle EOF as second argument.
4259 (push_macro_expansion): Simplify test for removing escape at
4260 end. Do not trim both escapes if there is no text in between.
4262 2000-04-19 Jim Blandy <jimb@redhat.com>
4264 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
4265 of PTR_SIZE, when appropriate.
4267 2000-04-19 Mark Mitchell <mark@codesourcery.com>
4269 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
4270 (USE_ENUM_BITFIELDS): Fix typo.
4272 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4274 * stor-layout.c (place_field): Set rli->offset_align properly.
4276 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4278 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
4279 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
4280 PARM_BOUNDARY): Remove unnecessary casts.
4282 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
4284 * calls.c (precompute_arguments): Remove must_preallocate and
4286 (expand_call): Update call of precompute_arguments.
4288 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
4289 check_insn_for_givs): Break out from ...
4290 (strength_reduce) ... here; use for_every_insn_in_loop to call
4291 check_insn_for_givs.
4292 * loop.h (for_every_insn_in_loop): Declare.
4293 (loop_insn_callback): New type.
4295 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
4297 * cpplib.c (do_pragma_poison): Strings in the token buffer are
4300 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
4302 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
4305 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
4307 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
4309 * configure.in: Delete --disable-cpplib option and all
4310 references to cpp_main.
4311 * configure: Regenerate.
4312 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
4313 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
4314 cccp.o, cccp, or cppmain. Link cppmain.o straight to
4315 cpp$(exeext). Add --no-headers to makeinfo command line when
4316 generating INSTALL. Install and uninstall cpp.1 manpage, not
4318 * install.texi: Delete all references to cexp.y/cexp.c.
4319 Delete ancient instructions for compiling GCC on 3b1.
4320 * INSTALL: Regenerate.
4322 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
4323 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
4324 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
4326 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
4327 which is no longer tested anywhere.
4329 * cppinit.c (handle_option): Don't run error message through
4332 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4334 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
4335 * cpperror.c (hashtab.h): Now include.
4336 * cppexp.c (hashtab.h): Likewise.
4337 * cpplex.c (hashtab.h): Likewise.
4338 * cppfiles.c (hashtab.h): Likewise.
4339 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
4340 to htab_find_slot_with_hash.
4341 * cpphash.c (hashtab.h): Now include.
4342 (_cpp_lookup_slot): INSERT is now enum insert_option.
4343 * cpphash.h (_cpp_lookup_slot): Likewise.
4344 * cppinit.c (hashtab.h): Include earlier.
4345 (initialize_builtins): Pass enum to htab_find_slot.
4346 * cpplib.c (hashtab.h): Now include.
4347 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
4348 (do_pragma_poison, do_assert): Likewise.
4349 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
4350 htab_find_slot_with_hash.
4351 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
4352 * tree.c (type_hash_add): Likewise.
4353 (build1): Minor cleanup.
4355 * ggc-common.c: Add missing blanks.
4356 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
4357 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
4359 * stmt.c (mark_case_node): New function.
4360 (mark_case_nesting): Call it.
4362 * expmed.c (emit_store_flag): If comparing two-word integer
4363 with zero, can optimize NE, EQ, GE, and LT.
4365 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
4366 * conflict.c: Minor cleanups.
4367 * optabs.c: Add blank line
4368 * simplify-rtx.c: Minor cleanups.
4370 2000-04-18 Stan Cox <scox@cygnus.com>
4372 * gengenrtl.c (genlegend): Fix misspelling.
4374 2000-04-18 Robert Lipe <robertlipe@usa.net>
4376 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
4377 bitfields of the host compiler are not signed quantities.
4378 * config.in: Regenerate.
4379 * configure: Regenerate.
4380 * system.h (USE_ENUM_BITFIELDS): Added.
4381 (ENUM_BITFIELDS): Added.
4382 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
4383 (SHORT_ENUM_BUG): Deleted.
4384 * tree.h (tree_common): Members `code', `mode', `built_in_class',
4386 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
4387 (CODE_FIELD_BUG): Likewise.
4388 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
4390 * config/m68k/x-ccur (X_CFLAGS): Likewise.
4392 2000-04-18 Mark Mitchell <mark@codesourcery.com>
4394 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
4397 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
4399 * cppexp.c (lex): Don't assume tokens are NUL terminated.
4400 * cpplib.c (do_include, do_import, do_include_next,
4401 read_line_number, detect_if_not_defined): Likewise.
4402 * cpphash.c (collect_expansion): Likewise.
4403 (special_symbol, _cpp_macroexpand): Check return from
4405 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
4406 macros. Delete all uses.
4408 * gcc.dg/cpp-mi.c: Add two more test cases.
4409 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
4411 2000-04-17 Richard Henderson <rth@cygnus.com>
4413 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
4414 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
4416 2000-04-17 Mark Mitchell <mark@codesourcery.com>
4418 * function.c (expand_function_start): Use hard_function_value to
4419 compute the RTL to use for DECL_RESULT.
4421 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
4423 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
4424 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
4425 x86_memory_mismatch_stall): New global variables.
4426 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
4427 alloved; fix load penalties for Athlon.
4428 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
4429 x86_memory_mismatch_stall): Declare.
4430 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
4431 TARGET_MEMORY_MISMATCH_STALL): New.
4432 * i386.md (athlon scheduling parameters): Fix latencies according to
4433 Athlon Optimization Manual.
4434 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
4436 (fsqrt instruction patterns): Set athlon_decode to direct.
4437 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
4438 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
4439 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
4440 and TARGET_PARTIAL_REGISTER_STALL machines.
4441 (pushdf_nointeger): New pattern.
4442 (pushdf_integer): Rename from pushdf.
4443 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
4444 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
4446 2000-04-17 Richard Henderson <rth@cygnus.com>
4448 * loop.c (canonicalize_condition): Add WANT_REG argument.
4449 Stop the search if we match it.
4450 * expr.h (canonicalize_condition): Update decl.
4451 * predict.c (expected_value_to_br_prob): Use it. Track last
4452 expected value note.
4453 (find_expected_value): Remove.
4455 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
4457 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
4459 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
4460 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
4462 * configure.in: Call AC_FUNC_MMAP_FILE.
4463 * configure: Regenerate.
4464 * config.in: Regenerate.
4466 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
4467 * fixinc/fixincl.c: Likewise.
4469 2000-04-17 Richard Henderson <rth@cygnus.com>
4471 * builtins.c (expand_builtin_expect): New.
4472 (expand_builtin): Call it.
4473 * builtins.def (BUILT_IN_EXPECT): New.
4474 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
4475 * extend.texi: Document it.
4477 * predict.c (expected_value_to_br_prob): New.
4478 (find_expected_value): New.
4479 * basic-block.h (expected_value_to_br_prob): Declare.
4480 * toplev.c (rest_of_compilation): Invoke it.
4482 * rtl.h (NOTE_EXPECTED_VALUE): New.
4483 (NOTE_INSN_EXPECTED_VALUE): New.
4484 * rtl.c (note_insn_name): Update.
4485 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
4486 cases; handle NOTE_INSN_EXPECTED_VALUE.
4488 2000-04-17 Jakub Jelinek <jakub@redhat.com>
4490 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
4491 leaf sibcall delay slot if flag_pic.
4492 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
4494 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4496 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
4498 * fixproto: If fix-header fails, exit with an error.
4500 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
4502 * cse.c (struct check_depdendence_data): New.
4503 (check_dependence): New function.
4504 (invalidate): Use check_depdenence.
4506 2000-04-16 Mark Mitchell <mark@codesourcery.com>
4508 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
4509 UNITS_PER_WORD is unsigned.
4511 * tree.h (struct tree_common): Remove misleading comment.
4513 2000-04-16 Dave Pitts <dpitts@cozx.com>
4515 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
4516 message in quotes. Otherwise, IBM's make program treats the '#' as the
4517 start of a comment and ignores the remainder of the line.
4519 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
4521 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
4522 * cexp.y (initialize_random_junk): Likewise.
4523 * cppfiles.c (find_include_file): Cast alloca return value.
4524 * cppinit.c (initialize_standard_includes): Likewise.
4525 * cpplib.c (cpp_define, cpp_undef): Likewise.
4526 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
4527 * final.c (output_asm_insn): Allow for holes in EBCDIC.
4528 * fold-const.c (CHARMASK): New.
4529 (real_hex_to_f): Use it.
4530 * real.c (CHARMASK): New.
4531 (etoasc, asctoeg): Use it.
4532 (asctoeg): EBCDIC lower case characters preceed upper case.
4534 * i370.c (mvs_add_label): Change spacing for coding conventions.
4535 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
4536 outputing case vectors.
4537 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
4538 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
4539 since vector in in the data CSECT.
4540 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
4541 * i370.md (Many patterns): Put the length in the XL directives.
4542 (movdi): Put back STM and MVC in definition.
4543 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
4544 pattern using the TCA.
4545 * oe.h (CPP_SPEC): Added to allow trigraphs.
4546 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
4547 not support the "long long" type.
4549 2000-04-16 Mark Mitchell <mark@codesourcery.com>
4551 * config/mips/mips-protos.h (mips_legitimate_address_p): New
4553 (mips_reg_mode_ok_for_base_p): Likewise.
4554 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
4555 (REG_OK_FOR_INDEX_P): Define unconditionally.
4556 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
4557 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
4558 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
4559 that GET_MODE_SIZE is unsigned.
4560 (mips_reg_mode_ok_for_base_p): Define.
4561 (mips_legitimate_address_p): Likewise. Adjust now
4562 that GET_MODE_SIZE is unsigned.
4563 (block_move_loop): Make the number of bytes unsigned.
4564 (expand_block_move): Likewise.
4565 (function_arg): Make the loop counter unsigned to match the
4568 2000-04-16 Richard Henderson <rth@cygnus.com>
4570 * rtl.h (enum insn_note): New enumeration. Subsume
4571 NOTE_INSN_DELETED and friends.
4572 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
4573 * rtl.c (note_insn_name): Tweak string order.
4575 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
4577 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
4580 * cpplex.c (output_line_command): Remove debugging prints.
4581 (cpp_output_tokens): Don't write out a zero-length buffer or
4582 try to see if it has a newline in it.
4583 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
4584 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
4585 the end of the loop. Use memmove. Don't read past the end of
4586 the buffer. Remove trailing newlines from error messages.
4588 2004-04-16 Neil Booth <NeilB@earthling.net>
4590 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
4591 * cpplib.c: Add new syntax flags to directive table, and
4594 2000-04-15 Ulrich Drepper <drepper@redhat.com>
4596 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
4599 2000-04-15 David Edelsohn <edelsohn@gnu.org>
4601 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
4602 * haifa-sched.c: Update -fsched-verbose comments to use "=".
4604 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4606 * Makefile.in (ggc-page.o): Now includes toplev.h.
4607 * ggc-page.c (toplev.h): Now included.
4608 (gc_time): Remove declaration.
4609 (ggc_collect): TIME now long.
4610 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
4612 * toplev.h (gc_time, parse_time, gc_time): New declarations.
4614 * toplev.c: Make *_time variable long to reduce chance of overflow.
4615 (TIMEVAR): Likewise for `otime'.
4616 (print_time): Arg is now long; compute percentage in FP and round.
4617 * toplev.h (print_time): Arg is long.
4619 * tree.c: Minor whitespace changes.
4621 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
4622 * configure: Rebuilt.
4623 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
4624 (__fixunsxfDI): Renamed from __fixunsxfdi.
4625 (__fixunsdfDI): Renamed from __fixunsdfdi.
4626 (__fixunssfDI): Renamed from __fixunssfdi.
4627 (__floatdisf): Use proper type in REP_BIT macro.
4628 (__fixunsxfSI): Renamed from __fixunsxfsi.
4629 (__fixunsdfSI): Renamed from __fixunsdfsi.
4630 (__fixunssfSI): Renamed from __fixunssfsi.
4631 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
4632 Change location of macros and upper-case some names as above.
4633 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
4634 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
4636 * varasm.c (assemble_variable): Add cast to remove warning.
4637 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
4639 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
4640 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
4641 region number to -1.
4643 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
4645 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
4646 call unshare_all_rtl.
4648 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
4650 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
4652 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
4653 Use .s1 not .s0 for all FP instructions.
4655 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
4657 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
4659 (safe_fwrite, output_line_command): New static functions.
4660 (cpp_expand_to_buffer): Now private to cpplib.
4661 (cpp_scan_buffer): Take a printer.
4663 * cpphash.h: Update prototypes.
4664 * cpplib.h: Update prototypes.
4666 (cpp_buffer): Remove last_nominal_fname.
4667 (cpp_reader): Remove lineno.
4669 * cppmain.c: Use a cpp_printer.
4670 * fix-header.c: No need to inhibit line commands. Call
4671 cpp_start_read with no printer.
4673 * cpperror.c (cpp_notice_from_errno): Provide default name.
4674 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
4675 (find_include_file, cpp_read_file): Use make_IHASH.
4676 (file_cleanup): Set control_macro and clear
4677 input_stack_listing_current here.
4678 (_cpp_execute_include): Don't output entering-file marker.
4679 * cpphash.c (special_symbol): Look for the line number in the
4680 buffer, not the reader.
4681 (_cpp_macroexpand): No need to disable line commands.
4682 (_cpp_dump_definition): No need to generate line commands.
4683 (dump_hash_helper): Remove excess newline from output.
4684 * cppinit.c (dump_special_to_buffer): No need to generate line
4686 (cpp_printer_init): New.
4687 (cpp_start_read): Take a printer, and start it up if it's not
4688 NULL. No need to generate line commands.
4689 (cpp_finish): Expect no buffers stacked at all. Take a
4690 printer argument, and flush the output buffer if it's not
4692 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
4693 Don't put two hashes at the beginning of an assertion.
4694 (cpp_get_token): Don't increment pfile->lineno or emit line
4695 commands here. Return EOF if there's no buffer when we get
4697 * cpplib.c (do_define, skip_if_group):
4698 No need to disable line commands.
4699 (_cpp_output_line_command): Delete function.
4700 (do_line): Don't emit line commands here, but set things up so
4701 they will be emitted if necessary. Use _cpp_fake_ihash to
4702 make unique nominal_fnames if necessary.
4703 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
4704 with 0 for column, not -1.
4705 (_cpp_handle_eof): Don't set the control macro here. Don't
4706 clear input_stack_listing_current here. Don't emit line
4709 2000-04-14 Geoff Keating <geoffk@cygnus.com>
4711 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
4712 always, use the default SVR4 start address.
4714 * config/rs6000/linux.h (LINK_SPEC): Don't define.
4715 (LINK_SHLIB_SPEC): Define.
4716 (LINK_START_DEFAULT_SPEC): Define.
4717 (LINK_OS_DEFAULT_SPEC): Define.
4719 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
4721 * config/rs6000/eabi.asm (__eabi): Call __init rather than
4722 __do_global_ctors to handle constructors.
4723 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
4724 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
4725 (STARTFILE_MVME_SPEC): Likewise.
4726 (STARTFILE_SIM_SPEC): Likewise.
4727 (ENDFILE_ADS_SPEC): Use crtend.
4728 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
4729 (ENDFILE_MVME_SPEC): Likewise.
4730 (ENDFILE_SIM_SPEC): Likewise.
4731 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
4732 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
4733 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
4734 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
4735 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
4736 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
4737 (CRTSTUFF_T_CFLAGS_S): Define.
4738 * config/rs6000/eabi-ctors.c: Delete.
4740 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
4743 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
4747 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
4749 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
4750 plus mask size is smaller or equal to the mode size.
4752 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4754 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
4757 * expr.c (reload.h): Now included.
4758 (emit_block_move): Set volatile_ok when checking for movstr.
4759 (emit_move_1): Check for replacements in addresses in multi-word case.
4760 * Makefile.in (expr.o): Now includes reload.h.
4762 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
4763 Never have a LIBCALL end a basic block.
4764 (find_basic_blocks_1): Likewise.
4765 Reorganize CALL_INSN cases.
4767 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
4769 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
4771 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
4772 completers from mov.ret instruction.
4774 2000-04-14 Richard Henderson <rth@cygnus.com>
4776 * fold-const.c (extract_muldiv): Don't distribute and widen
4777 multiply across plus for non-sizetype unsigned types.
4779 2000-04-14 Richard Henderson <rth@cygnus.com>
4781 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
4782 If the original source is dead in the incr insn, it's dead now.
4784 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4786 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
4787 see if DECL_BIT_FIELD needs to still be set.
4789 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
4791 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
4792 print_int_cst_octal with something that's not an INTEGER_CST.
4794 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
4795 and not a SUBREG to a FLOAT rtl.
4797 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
4799 * emit-rtl.c (try_split): Avoid infinite loop if the split
4800 results in a sequence that contains the original insn.
4802 2000-04-13 Andreas Jaeger <aj@suse.de>
4804 * config/mips/mips.c (expand_block_move): Pass alignment
4805 argument to move_by_pieces in bits, not bytes.
4807 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
4808 __pic__ for little endian.
4810 2000-04-13 Andreas Jaeger <aj@suse.de>
4812 * config/i386/i386-protos.h: Add prototype for
4813 uno_comparison_operator.
4815 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
4817 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
4818 * calls.c (ECF_PURE): New flag.
4819 (emit_call_1): Handle ECF_PURE calls.
4820 (initialize_argument_information): Unset ECF_PURE flag too.
4821 (precompute_arguments): Precompute for ECF_PURE too.
4822 (expand_call): Handle ECF_PURE calls too.
4823 (emit_library_call_value_1): Rename no_queue argument to fn_type,
4824 accept value of 2 as pure function.
4825 (emit_library_call_value, emit_library_call): Rename no_queue argument
4827 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
4829 * tree.h (DECL_IS_PURE): New macro.
4830 (struct tree_decl): Add pure_flag.
4831 * c-common.c (enum attrs): Add attribute "pure".
4832 (init_attributes): Initialize attribute "pure"
4833 (decl_attributes): Handle attribute "pure".
4834 * extend.texi (Attribute "pure"): Document.
4835 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
4837 (flags_from_decl_or_type): Support attribute "pure".
4839 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
4841 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
4842 the token except for numbers and identifiers.
4844 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
4846 * i386.c (ix86_expand_binary_operator,
4847 ix86_expand_unary_operator): Check no_new_pseudos
4848 instead of reload_in_progress and reload_completed.
4849 (ix86_split_ashldi, ix86_split_ashrdi,
4850 ix86_split_lshrdi): Check no_new_pseudos instead
4851 of reload_completed.
4853 2000-04-12 Jeffrey A Law (law@cygnus.com)
4855 * function.c (purge_addressof): Unshare any shared rtl created by
4856 purge_addressof and its children.
4858 2000-04-12 Mark Mitchell <mark@codesourcery.com>
4860 * function.c (aggregate_value_p): VOID_TYPE nodes are never
4863 2000-04-05 Andreas Jaeger <aj@suse.de>
4865 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
4866 not compiling PIC code, add flags for mabi=64.
4867 (SUBTARGET_CPP_SIZE_SPEC): New.
4868 (SUBTARGET_CPP_SPEC): New.
4869 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
4870 for MIPS/Linux and lots of code needs these defines.
4872 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
4874 * reorg.c (fill_slots_from_thread): Check side_effects_p when
4875 trying the "opposite arithmetic" approach.
4877 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4879 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
4880 (struct sh_args): Add new field force_mem.
4881 (INIT_CUMULATIVE_ARGS): Initialize it.
4882 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
4884 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
4886 * calls.c (expand_call): Do not reverse args in "equal from" field.
4887 (emit_library_call_value_1): Emit_libcall_block for const and pure
4890 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4892 * reload1.c (reload_combine): Don't enable optimization for fixed
4893 registers when encountering a BARRIER.
4895 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
4897 * builtins.c (expand_builtin_memcmp): Do expansion even with
4898 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
4900 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
4901 stack is propertly aligned; add sanity checking for aligned
4903 (expand_library_call_value_1): Add sanity checking for aligned
4906 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
4908 * calls.c (emit_library_call_value_1): Change 3rd arg to
4909 locate_and_pad_parm to disregard the setting of partial.
4911 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4913 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
4915 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
4916 CALL_INSN from the normal case.
4918 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
4920 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
4921 New global variables.
4922 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
4924 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
4926 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
4927 TARGET_ADD_ESP_8): New macros.
4928 * i386.md: Add peep2s to convert esp adjustments to push and pop
4930 (pushsi_prologue, popsi_epilogue): New patterns.
4932 2000-04-12 Jakub Jelinek <jakub@redhat.com>
4934 * real.c (toe64): Remove stale #endif from the last change.
4936 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
4938 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
4939 * real.c (toe64): Revert previous change.
4941 2000-04-12 Jakub Jelinek <jakub@redhat.com>
4943 * objc/objc-act.c: Include ggc.h.
4944 (objc_tree_index, objc_global_trees): Convert most of the
4945 static tree variables into a static array with previous names
4947 (objc_ellipsis_node): New variable.
4948 (lang_init): Call objc_act_parse_init and c_parse_init.
4949 Create objc_ellipsis_node.
4950 (build_selector_translation_table): Use objc_ellipsis_node instead
4952 (hack_method_prototype): Likewise.
4953 (get_arg_type_list): Likewise.
4954 (start_method_def): Likewise.
4955 (continue_method_def): Likewise.
4956 (gen_method_decl): Likewise.
4957 (ggc_mark_imp_list): New function.
4958 (ggc_mark_hash_table): New function.
4959 (objc_act_parse_init): New function.
4960 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
4961 * c-parse.in (c_parse_init): For objc add roots of objc specific
4962 local tree variables.
4963 * objc/objc-parse.y: Rebuilt.
4964 * objc/objc-parse.c: Rebuilt.
4965 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
4967 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
4969 * cse.c (delete_trivially_dead_insns): Also delete insns
4970 that copy a register to itself where the destination is
4973 2000-04-11 Richard Henderson <rth@cygnus.com>
4975 * flow.c (struct propagate_block_info): Add new_dead, new_live.
4976 (propagate_block): Initialize them. Use them in parallel instead
4977 of one tmp variable, ie revert much of the 0408 and 0407 functional
4978 changes, but keep the structural changes.
4979 (mark_set_regs): Take new_dead from propagate_block_info instead.
4980 (mark_set_1, mark_set_reg): Likewise.
4981 (mark_used_regs): Likewise with new_live.
4982 (mark_used_reg): Likewise. Revert 0408 change.
4984 2000-04-11 Nick Clifton <nickc@cygnus.com>
4986 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
4988 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
4990 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4992 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
4993 const section to output a CONSTRUCTOR based on the same conditions
4996 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
4998 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
4999 * pa/pa-protos.h (output_call): Add additional argument indicating
5000 if the call is a sibling/tail call.
5001 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
5002 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
5003 (function_arg, function_arg_partial_nregs): Likewise
5004 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
5005 (emit_move_sequence): Zero extend certain constants as needed
5007 (compute_zdepdi_operands, output_64bit_and): New functions.
5008 (output_64bit_ior, function_arg): Likewise.
5009 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
5010 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
5011 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
5012 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
5013 (output_bvb): Likewise.
5014 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
5015 (output_call): New argument 'sibcall'. Generate sibcall sequences
5017 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
5018 (ouput_arg_descriptor): Do not emit argument descriptors for
5020 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
5022 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
5023 (FUNCTION_OK_FOR_SIBALL): Define.
5024 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
5025 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
5026 (CPP_SPEC): Use new spec infrastructure.
5027 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
5028 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
5029 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
5030 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
5031 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
5032 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
5033 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
5034 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
5035 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
5036 (FUNCTION_ARG); Call out to C code.
5037 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
5038 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
5039 (MIN_UNITS_PER_WORD): Likewise.
5040 * pa/pa.md (cmpdi): New expander.
5041 (scc patterns, movstrsi): Not available for TARGET_64BIT.
5042 (64bit conditional arithmetic): New patterns.
5043 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
5044 (movsicc): Not available if modes on all the operands to not match.
5045 (movdicc): New expander and associated patterns.
5046 (64bit branches): New patterns.
5047 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
5048 (pre_ldd, post_std): New patterns.
5049 (64bit addil, load low part): New patterns.
5050 (special movsf constant): Not available for TARGET_64BIT.
5051 (movsf, movdf expanders): Force constants into memory.
5052 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
5053 (64bit movdf/movdi patterns): New patterns.
5054 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
5056 (extendqidi2, extendhidi2, extendsidi2): Similarly.
5057 (adddi3 expander): Allow "arith_operand" for second input.
5058 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
5059 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
5060 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
5061 (muldi3): New expander for TARGET_64BIT.
5062 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
5064 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
5065 patterns for TARGET_64BIT.
5066 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
5067 patterns for TARGET_64BIT.
5068 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
5069 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
5070 (sibcall_epilogue): New expander.
5071 (casesi): Tweak for TARGET_64BIT.
5072 (call expanders): Set & use the outgoing argument pointer. Use the
5073 64bit call patterns as needed. Add additional arg to output_call.
5074 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
5075 (sibcall, sibcall_internal_symref): New expanders.
5076 (sibcall_value, sibcall_value_internal_symref
5077 (interspace_jump): Turn into an expander + matching patterns.
5078 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
5079 * pa/pa64-regs.h: Eliminate trigraph sequences.
5080 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
5082 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
5084 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
5085 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
5086 cpp_token with cpp_ttype everywhere.
5087 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
5088 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
5089 CPP_BUF_COL. Line and column numbers are unsigned int, not
5091 * cpplex.c (cpp_buf_line_and_col): Delete.
5092 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
5093 'long lineno' to 'unsigned int lineno'.
5094 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
5096 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5098 * extend.texi: ISO C99 is not a draft anymore.
5099 * invoke.texi: ISO C++ is not a draft anymore.
5100 * cpp.texi: __cplusplus is required by the ISO standard.
5102 * extend.texi (-fthis-is-variable): Undocument.
5103 * flags.h (warn_template_debugging): Remove declaration.
5104 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
5105 -Wenum-clash, -Wtemplate-debugging): Undocument.
5107 2000-04-10 Nick Clifton <nickc@cygnus.com>
5109 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
5111 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
5113 (ARM_SIGN_EXTEND): Use HOST_UINT.
5114 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
5115 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
5116 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
5117 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
5119 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
5120 (arm_gen_constant): Use HOST_UINT.
5121 (arm_canonicalize_constant): Use HOST_UINT.
5122 (arm_reload_in_hi): Use HOST_UINT.
5123 (arm_reload_out_hi): Use HOST_UINT.
5124 (output_multi_immediate): Use HOST_UINT.
5125 (int_log2): Use HOST_UINT.
5126 (arm_poke_function_name): Use HOST_UINT.
5127 (arm_output_epilogue): Use arm_volatile_func().
5128 (output_thumb_prologue): Use arm_strip_name_encoding().
5130 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5132 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
5133 of sequence point problems.
5135 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
5137 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
5139 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
5141 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5143 * sbitmap.h: Whitespace changes and use upper-case macro args.
5144 (struct simple_bitmap_def): All sizes now unsigned.
5145 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
5146 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
5147 (sbitmap_vector_alloc): Parms and local vars now unsigned.
5148 (sbitmap_zero): Cast bzero arg to PTR.
5149 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
5150 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
5151 loop to make structure clearer.
5152 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
5153 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
5154 (sbitmap_a_and_b_or_c): Likewise.
5155 (sbitmap_intersection_of_succs): Minor cleanups.
5156 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
5157 (sbitmap_union_of_preds): Likewise.
5158 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
5159 (debug_sbitmap): New function.
5161 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
5162 * c-typeck.c (convert_for_assignment): Likewise.
5164 * expmed.c (init_expmed): Don't free objects we make.
5165 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
5167 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
5168 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
5170 * gcse.c (expr_hash_table_size): Now unsigned.
5171 (compute_ae_gen): Local variable `i' now unsigned.
5172 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
5173 (compute_transout, hoist_code): Likewise.
5174 (compute_local_properties): Likewise, also hash_table_size.
5175 (alloc_expr_hash_table): N_INSNS now unsigned.
5176 (delete_null_pointer_checks): Mark arg F as unused.
5178 * regrename.c: Minor cleanups, including chang some variables
5181 2000-04-10 Neil Booth <NeilB@earthling.net>
5183 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
5185 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
5187 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5189 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
5190 __classof__, and __headof__ from the list of gnu keywords.
5191 (-ansi): Remove -foperator-names from list of implied options.
5192 Do not call it ANSI C++.
5193 (-foperator-names): Document as -fno-operator-names.
5195 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
5197 * cpphash.c (timestamp): Delete.
5198 (del_HASHNODE): If type is T_MCONST, free value.cpval.
5199 (special_symbol): Remove unnecessary braces. Remove
5200 T_VERSION. Treat T_STDC like T_CONST unless
5201 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
5202 when one is encountered, then convert them into T_MCONST
5204 * cppinit.c (builtin_array): version_string is T_MCONST.
5205 __STDC__ has a "1" in its cpval. Don't have a terminator
5206 entry. Clean up which entries are dumped.
5207 (initialize_builtins): Only __STDC__ gets the special
5208 -traditional treatment. Count the length of builtin_array.
5209 Render version_string here.
5210 * cpphash.h: Remove T_VERSION. Add T_MCONST.
5211 * cpplib.h (struct cpp_reader): Remove timebuf.
5213 2000-04-09 Richard Henderson <rth@cygnus.com>
5215 * genrecog.c (pred): Update comparison_operator for the unordered
5218 * config/i386/i386.c (no_comparison_operator): Disallow unordered
5220 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
5221 (uno_comparison_operator): New.
5222 (put_condition_code): Handle UNORDERED/ORDERED.
5223 (unsigned_comparison): Likewise.
5224 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
5225 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
5226 (ix86_expand_fp_compare): Use them. Take scratch as argument,
5227 update all callers. Handle all 8 unordered operators.
5228 (ix86_expand_setcc): Lose the unordered argument, update all callers.
5229 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
5230 * config/i386/i386.h (PREDICATE_CODES): Update.
5231 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
5232 (ix86_expand_branch, ix86_expand_setcc): Update.
5233 * config/i386/i386.md (sunordered, sordered): New.
5234 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
5235 (bunordered, bordered): New.
5236 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
5237 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
5238 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
5240 2000-04-09 Philip Blundell <philb@gnu.org>
5242 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
5244 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
5246 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
5247 fix_truncxfhi2): New patterns.
5248 * i386.c (output_fix_trunc): Handle converting to HImode.
5250 2000-04-08 Alex Samuel <samuel@codesourcery.com>
5252 * ssa.c (convert_to_ssa): Eliminate dead code when calling
5254 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
5255 (for_each_successor_phi): Change parameter to basic_block.
5256 (coalesce_regs_in_successor_phi_nodes): Likewise.
5257 (coalesce_regs_in_copies): Likewise.
5258 (compute_coalesced_reg_partition): Use basic_block instead of index.
5259 * rtl.h (convert_to_ssa): Delete.
5260 (convert_from_ssa): Likewise.
5261 (successor_phi_fn): Likewise.
5262 (for_each_successor_phi): Likewise.
5263 (in_ssa_form): Likewise.
5264 * basic-block.h (convert_to_ssa): Moved from rtl.h.
5265 (convert_from_ssa): Likewise.
5266 (successor_phi_fn): Likewise.
5267 (in_ssa_form): Likewise.
5268 (for_each_successor_phi): Likewise. Change parameter to basic_block.
5269 * flow.c (calculate_global_regs_live): Pass a basic_block to
5270 for_each_successor_phi.
5272 2000-04-08 Richard Henderson <rth@cygnus.com>
5274 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
5275 was modified in the current insn.
5277 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
5279 * arm/thumb.md: Delete.
5280 * arm/thumb-protos.h: Delete.
5282 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
5284 Merge changes from merged-arm-thumb-backend-branch onto trunk.
5286 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
5288 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
5291 * arm.md (nop): Use the standard RTL expression. Don't code as a
5293 (*arm_nop, *thumb_nop): Delete.
5295 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
5296 constants. Use casts instead.
5297 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
5298 output_multi_immediate, arm_poke_function_name): Likewise.
5299 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
5300 MASK_RETURN_ADDDR): Likewise.
5302 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
5304 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
5307 * arm.md (eh_epilogue): New function.
5308 * arm.h (struct machine_function): Move to here ...
5309 * arm.c: ... from here.
5310 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
5311 (thumb_exit): Extra parameter eh_ofs. All callers changed.
5312 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
5314 2000-03-30 Nick Clifton <nickc@cygnus.com>
5316 * config/arm/semi.h (ASM_SPEC): Restore definition.
5317 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
5319 * config/arm/elf.h (ASM_SPEC): Restore definition.
5320 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
5322 * config/arm/arm.h (ASM_SPEC): Remove definition.
5323 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
5325 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
5327 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
5329 2000-03-24 Nick Clifton <nickc@cygnus.com>
5331 Various formating tidyups, elimination of compile time
5332 warnings and synchronisation with internal sources:
5334 * config/arm/arm-protos.h (assemble_align): Add prototype.
5335 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
5336 (gen_comapre_reg): Rename to arm_gen_compare_reg.
5337 (arm_return_addr_rtx): Rename to arm_return_addr.
5339 * config/arm/arm.c: Include except.h.
5340 Define shorter typenames for strict minipool_node and struct
5342 (arm_return_in_memory): For WinCE return all structures <= 32 bits
5344 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
5345 (gen_comapre_reg): Rename to arm_gen_compare_reg.
5347 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
5349 (ASM_SPEC): Define if not already defined.
5350 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
5352 * config/arm/arm.md: Rename references to gen_rotated_half_load to
5353 arm_gen_rotated_half_load, and references to gen_comapre_reg to
5354 arm_gen_compare_reg.
5355 (indirect_jump): Only accept register operands.
5356 (load_indirect_jump): Keep this pattern since combine can generate
5359 * config/arm/coff.h: Include aout.h.
5360 (MULTILIB_DEFAULTS): Only define if not already defined.
5362 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
5363 into arm.h (so that COFF ports can support thumb based aliases).
5364 (ASM_SPEC): Move definition into arm.h
5366 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
5367 redundant apcs spec.
5368 (ASM_SPEC): Move definition to arm.h
5370 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
5372 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
5373 for entries in the .bss section
5375 2000-03-23 Nick Clifton <nickc@cygnus.com>
5377 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
5378 to thumb_far_jump_used_p.
5380 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
5381 single integer parameter.
5383 * config/arm/arm.c (struct machine_function): Add two new
5384 fields, 'far_jump_used' and 'arg_pointer_live'.
5385 (thumb_far_jump_used_p): Once the decision has been made that
5386 far jumps might be used, always return true.
5387 If being called from the initial elimination offset macro then
5388 do not bother to perform the test if the arg pointer is not
5390 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
5391 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
5393 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
5395 * arm.c (output_return_instruction): Handle more cases where we can
5396 return from a function with an ldr instruction.
5397 (arm_output_epilogue): Likewise.
5399 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
5400 if we need to push a large stack frame and there are no callee-saved
5403 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
5404 in ARM code if the frame pointer has been eliminated.
5406 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
5407 unspec_volatile arguments to avoid duplicates.
5408 (consttable_1, consttable_2): Fixes for big-endian mode.
5410 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
5413 Re-write constant pool code.
5414 * arm.c (minipool_node, minipool_fix): New types.
5415 (minifix): Delete type.
5416 (arm_add_minipool_constant): Delete.
5417 (arm_compute_minipool_offsets, arm_find_barrier,
5418 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
5419 (get_jump_table_size): Now returns HOST_WIDE_INT.
5420 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
5422 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
5423 (assign_minipool_offsets, arm_print_value): Likewise.
5424 (dump_minipool): Rewrite.
5425 (arm_barrier_cost): New function.
5426 (create_fix_barrier): New function.
5427 (push_minipool_barrier): New function.
5428 (push_minipool_fix): Record additional information about the fixup
5430 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
5431 check the mode of what needs fixing.
5432 (arm_reorg): Rewrite.
5434 2000-03-08 Nick Clifton <nickc@cygnus.com>
5436 * config/arm/arm.md (indirect_jump): Force constant addresses into
5439 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
5441 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
5443 2000-02-24 Nick Clifton <nickc@cygnus.com>
5445 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
5446 adjust is word aligned.
5447 (thumb_expand_epilogue): Make sure that stack adjust is word
5450 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
5452 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
5454 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
5455 pointer relative addresses.
5457 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
5459 * arm.c (find_barrier): Find the last barrier within the allowed
5462 2000-02-09 Nick Clifton <nickc@cygnus.com>
5464 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
5466 2000-02-09 Nick Clifton <nickc@cygnus.com>
5468 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
5469 ARM_FUNCTION_PROFILER.
5471 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
5472 ARM_FUNCTION_PROFILER.
5474 * config/arm/linux-oldld.h: Imported from mainline sources.
5476 2000-02-07 Nick Clifton <nickc@cygnus.com>
5478 * config/arm/lib1funcs.asm: Merge in thumb functions from
5481 * config/arm/lib1thumb.asm: Delete.
5483 2000-02-04 Nick Clifton <nickc@cygnus.com>
5485 * config/arm/arm.c: Sychronised with current Red hat local
5487 * config/arm/arm.h: Ditto.
5488 * config/arm/arm-protos.h: Ditto.
5490 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
5492 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
5494 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
5497 2000-02-02 Nick Clifton <nickc@cygnus.com>
5499 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
5501 * config/arm/arm.md (epilogue): Fix rtl checking abort because
5502 (return) was emited using an emit_insn() call.
5504 2000-01-31 Nick Clifton <nickc@cygnus.com>
5506 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
5508 (thumb_exit): Move frame pointer back into hard frame pointer
5509 register if backtracing is being used.
5511 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
5513 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
5516 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
5518 * config/arm/arm.md (neg_pool_offset): Provide default for new
5520 (arm_movsi_insn): Add neg_pool_offset attribute.
5521 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
5522 rtx for the insn that starts the scan and an unsigned long for its
5523 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
5524 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
5525 instructions in *PINSERTED.
5526 (struct minipool_fixup): Add MIN_ADDRESS elt.
5527 (sort_fixups): Compute it.
5528 (arm_reorg): Changes to support inserting pools before the insn to be
5531 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
5533 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
5534 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
5535 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
5537 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
5539 * config/arm/semi.h (TARGET_VERSION): Do not define if already
5541 (TARGET_DEFAULT): Do not define if already defined.
5543 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
5545 * config/arm/arm.md (anddi3): Allow disjoint source operands.
5546 (iordi3): Allow disjoint source operands.
5547 (xordi3): Allow disjoint source operands.
5548 (negdi2): Permit construction for ARM and Thumb.
5549 (arm_negdi2): Renamed version of old negdi2 pattern.
5550 (thumb_negdi2): New pattern: Only permit non-overlapping
5551 source and destination.
5553 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
5555 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
5556 scratch low register so that it will not be deleted.
5558 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
5560 * config/arm/pe.h (ARM_PE): Define.
5562 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
5563 interfacearm attribute if this is a PE toolchain.
5564 (output_return_instruction): Do not emit anything if the function
5565 has the naked attribute set.
5566 (is_called_in_ARM_mode): If the function has the interfacearm
5567 attribute then return true.
5568 (thumb_expand_prologue): Do not generate a prologue for naked
5570 (thumb_expand_epilogue): Do not generate an epilogie for a naked
5572 (output_thumb_prologue): Do not bother if the function is naked.
5573 Strip PE encoding from function name before emitting.
5575 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
5577 * arm.md (pic_load_addr): Fix constraints.
5579 * arm.md (casesi_insn): Fix mis-applied patch.
5581 * arm.md ("core" function unit): Add rules for single- and
5583 (All TARGET_THUMB patterns): Add "type" attribute information
5585 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
5586 the following insn is a CALL.
5588 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
5590 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
5591 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
5592 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
5594 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
5596 * config/arm/linux-gas.h: oops - this file was missed out when the
5597 branch was created...
5599 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
5601 * thumb.c: Deleted. Move contents to ...
5603 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
5605 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
5608 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
5609 declare a prototype for asm_output_align();
5611 * arm.c (thumb_condition_code): Delete.
5612 (arm_print_operand): Always use arm_condition_code array.
5614 * arm.c (thumb_return_addr_rtx): Delete.
5615 (arm_save_machine_status, arm_restore_machine_status): Delete.
5616 (arm_init_machine_status, arm_mark_machine_status): New functions.
5617 (arm_init_expanders): Update accordingly.
5618 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
5619 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
5620 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
5622 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
5624 * configure.in : Fix arm-*-aout target to use new t-arm-aout
5626 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
5629 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
5631 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
5632 stack backtrace structure.
5634 * config/arm/arm-protos.h: Add prototypes for functions defined in
5637 * config/arm/arm.c (arm_override_options): Fix selection of
5638 attributes of default processor.
5640 * config/arm/coff.h: Delete needless #include.
5642 * config/arm/pe.c: Delete unused code.
5644 * config/arm/pe.h (CPP_DEFINES): Delete
5645 (SUBTARGET_CPP_SPEC): Define.
5646 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
5648 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
5650 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
5652 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
5654 (CAN_DEBUG_WITHOUT_FP): Define.
5655 (FIXED_REGISTERS): Make r11 call-saved.
5656 (CALL_USED_REGISTERS): Likewise.
5657 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
5658 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
5659 frame-pointer is required.
5660 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
5661 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
5662 if the target normally needs a stack frame in non-leaf functions.
5663 (use_return_insn): Correct logic for determining when a return
5664 instruction can be used.
5665 (output_return_instruction): Handle the frame-pointer register as
5666 a normal register when not TARGET_APCS_FRAME.
5667 (arm_output_prologue): Likewise.
5668 (arm_output_epilogue): Likewise.
5669 (output_func_epilogue): Likewise.
5670 (arm_expand_prologue): Likewise.
5671 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
5673 * arm.c (use_return_insn): No need to check floating point regs if
5675 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
5676 the code of value stored in the minipool array.
5677 (arm_add_minipool_constant): Likewise.
5679 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5681 * basic-block.h (conflict_graph_enum_fn): K&R fix.
5683 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5685 * tree.c (tree_expr_nonnegative_p): New function.
5687 * tree.h (tree_expr_nonnegative_p): Declare.
5689 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
5690 elide some sign_compare warnings.
5691 (build_conditional_expr): Likewise.
5693 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
5695 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
5697 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
5698 * i386.c (print_operand): Use the proper suffix for a 387 HImode
5699 operand. Abort if a 387 operand has an unsupported size.
5701 2000-04-08 Neil Booth <NeilB@earthling.net>
5703 * cppexp.c (parse_charconst): Null does not end character
5705 * cppinit.c (ISTABLE): Null character handled as whitespace.
5706 * cpplex.c (null_warning): new function.
5707 (skip_string): Emit warning if nulls encountered.
5708 (_cpp_skip_hspace): Emit warning if nulls encountered.
5709 (_cpp_lex_token): Emit warning if nulls encountered. Drop
5713 2000-04-07 Richard Henderson <rth@cygnus.com>
5715 * flow.c (loop_depth): Remove.
5716 (reg_next_use, cc0_live, mem_set_list): Replace with ...
5717 (struct propagate_block_info): New.
5718 (life_analysis): Don't allocate reg_next_use.
5719 (propagate_block_delete_insn): Break out of propagate_block.
5720 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
5721 (propagate_block_delete_libcall): Likewise.
5722 (propagate_block): Create a propagate_block_info struct to pass
5723 to subroutines. Allocate one not two temporary regsets. Don't
5724 clobber memory for const calls. Look for clobbers in
5725 CALL_INSN_FUNCTION_USAGE.
5726 (mark_set_regs): Recognize COND_EXEC.
5727 (mark_set_reg): Break out of mark_set_1.
5728 (mark_used_reg): Break out of mark_used_regs.
5729 (mark_used_regs): Recognize COND_EXEC.
5730 (insn_dead_p): Use propagate_block_info struct.
5731 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
5732 (find_auto_inc, try_pre_increment_1): Likewise.
5733 (print_rtl_with_bb): Dump regs live at end too.
5734 (count_reg_sets_1): Pass in loop_depth.
5735 (count_reg_sets, count_reg_references): Likewise.
5736 (recompute_reg_usage): Provide it.
5738 2000-04-07 Richard Henderson <rth@cygnus.com>
5740 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
5743 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
5745 * cpplib.c (do_elif): Skip the rest of the line if we're
5746 not going to bother evaluating it.
5747 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
5748 to avoid pointless calls to the lexer.
5750 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
5752 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
5754 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
5756 * calls.c (expand_call): emit_queue if we're trying a sibcall.
5758 2000-04-07 Jakub Jelinek <jakub@redhat.com>
5760 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
5762 2000-04-06 Geoff Keating <geoffk@cygnus.com>
5764 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
5765 crtend so they can be multilibbed.
5766 (STAGESTUFF): Remove s-crt and s-crtS.
5768 2000-04-07 Richard Henderson <rth@cygnus.com>
5770 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
5771 if we discover we need a pseudo and no_new_pseudos is true.
5772 * config/alpha/alpha.md (ne:DI insn): New.
5773 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
5775 2000-04-07 Richard Henderson <rth@cygnus.com>
5777 * rtl.def (COND_EXEC): New.
5778 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
5779 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
5781 * genconfig.c (have_cond_arith_flag): Remove.
5782 (have_cond_exec_flag): New.
5783 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
5784 (main): Print HAVE_conditional_execution.
5786 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
5787 (sched_analyze_insn, print_pattern): Likewise.
5788 * reload.c (find_equiv_reg): Likewise.
5789 * rtlanal.c (reg_referenced_p): Likewise.
5790 (note_stores, dead_or_set_regno_p): Likewise.
5791 (reg_overlap_mentioned_p): Rewrite to use a switch.
5793 * ggc.h (struct rtx_def): Forward declare.
5795 * print-rtl.c (debug_rtx_range): New.
5796 * rtl.h (debug_rtx_range): Declare.
5798 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
5800 * gcse.c (gcse_main): Don't rebuild the CFG here.
5801 (delete_null_pointer_checks): Likewise.
5802 * ssa.c (convert_to_ssa): Likewise.
5803 * toplev.c (rest_of_compilation): Do it here instead. Combine
5804 sequential calls to TIMEVAR. Consistently use `insns' instead of
5805 `get_insns()'. Always split insns after reload when optimizing.
5807 * basic-block.h (merge_blocks_nomove): Declare.
5808 (tidy_fallthru_edge): Declare.
5809 * flow.c (merge_blocks_nomove): Document as merging into previous
5810 blocks. Remove cruft from between blocks; remove all edges out of A.
5811 (tidy_fallthru_edge): Export.
5813 2000-04-06 Alex Samuel <samuel@codesourcery.com>
5815 * ssa.c (compute_conservative_reg_partition): Declare with
5817 * toplev.c (clean_dump_file): Remove previously-deleted function
5818 inadvertantly merged back in.
5819 * conflict.c (conflict_graph_add): Use a single call to
5820 htab_find_slot to look up and insert.
5822 2000-04-06 Richard Henderson <rth@cygnus.com>
5824 * genrecog.c (*): Rename _last_insn to last_insn.
5825 (make_insn_sequence): Set the position of the peephole2 C test
5826 to be at the last insn.
5828 2000-04-06 Richard Henderson <rth@cygnus.com>
5830 * flow.c (compute_flow_dominators): Free worklist.
5832 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
5834 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
5836 2000-04-06 Alex Samuel <samuel@codesourcery.com>
5838 * rtl.h (INSN_P): New macro.
5839 (successor_phi_fn): New typedef.
5840 (for_each_successor_phi): New prototype.
5841 (in_ssa_form): New variable.
5842 (PHI_NODE_P): Likewise.
5843 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
5844 phi nodes in successors.
5845 (mark_used_regs): Add PHI case.
5846 (set_phi_alternative_reg): New function.
5847 (life_analysis): Assert that dead code elimination is not selected
5849 * toplev.c (to_ssa_time): New variable.
5850 (from_ssa_time): Likewise.
5851 (compile_file): Zero to_ssa_time and from_ssa_time.
5852 Print time to convert to and from SSA.
5853 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
5854 (print_time): Compute percent fraction as integer.
5855 * ssa.c (PHI_NODE_P): Moved to rtl.h.
5856 (convert_to_ssa): Check if we're already in SSA.
5857 Don't eliminate dead code in life_analysis.
5858 Rerun flow and life analysis at bottom.
5859 (eliminate_phi): Use canonical regnos when adding nodes.
5860 (mark_reg_in_phi): New function.
5861 (mark_phi_and_copy_regs): Likewise.
5862 (convert_from_ssa): Rerun life analysis at top.
5863 Use coalesced partition.
5864 Check for removing a phi node at the end of the block.
5865 (compute_coalesced_reg_partition): New function.
5866 (coalesce_regs_in_copies): Likewise.
5867 (coalesce_reg_in_phi): Likewise.
5868 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
5869 (for_each_successor_phi): Likewise.
5870 (rename_context): New struct.
5871 (rename_block): Use a rename_context with rename_insn_1. When
5872 renaming sets of a subreg, emit a copy of the entire reg first.
5873 (rename_insn_1): Treat data as a rename_context *. Save current
5875 (rename_set_data): Add field set_insn.
5876 * Makefile.in (HASHTAB_H): Move up in file.
5877 (OBSTACK_H): New macro.
5878 (collect2.o): Use OBSTACK_H in dependencies.
5879 (sdbout.o): Likewise.
5880 (emit-rtl.o): Likewise.
5881 (simplify-rtx.o): Likewise.
5882 (fix-header.o): Likewise.
5883 (OBJS): Add conflict.o.
5884 (conflict.o): New rule.
5885 * basic-block.h: Include partition.h.
5886 (conflict_graph): New typedef.
5887 (conflict_graph_enum_fn): Likewise.
5888 (conflict_graph_new): New prototype.
5889 (conflict_graph_delete): Likewise.
5890 (conflict_graph_add): Likewise.
5891 (conflict_graph_conflict_p): Likewise.
5892 (conflict_graph_enum): Likewise.
5893 (conflict_graph_merge_regs): Likewise.
5894 (conflict_graph_print): Likewise.
5895 (conflict_graph_compute): Likewise.
5896 * conflict.c: New file.
5898 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
5900 * tlink.c (read_repo_files): Don't look for .rpo info for
5903 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5905 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
5907 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5909 * config/sh/lib1funcs.asm (___udivsi3_i4):
5910 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
5911 only depends on FMOVD_WORKS.
5913 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5915 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
5916 make double constant 8-byte aligned.
5918 2000-04-06 Jakub Jelinek <jakub@redhat.com>
5920 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
5921 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
5922 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
5923 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
5924 Accept storing GENERAL_REGS into offsetable memory.
5925 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
5926 building a TFmode constant other than 0.0L into GENERAL_REGS.
5928 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
5930 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
5932 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
5934 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
5935 (macro_cleanup): No need to cast pbuf->macro.
5936 (collect_expansion): Use _cpp_get_define_token. Goto done if
5937 it returns VSPACE. Remove check for trailing space after
5939 (_cpp_create_definition): Don't diddle flags here. Return
5941 (unsafe_chars): Handle c1 being EOF.
5942 (push_macro_expansion): Use unsafe_chars for both accidental-paste
5943 checks. Don't push the buffer till after we're done with
5945 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
5946 (PEEKN, FORWARD, GETC, PEEKC): Use them.
5947 (cpp_push_buffer): Don't set new->alimit. Set new->mark
5949 (_cpp_parse_assertion): Don't NUL terminate.
5950 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
5951 hspace before calling _cpp_parse_assertion. Remove all sets
5952 of only_seen_white. Treat '\f' as hspace. Don't do anything
5953 special with '\n' here.
5954 (maybe_macroexpand): Handle T_EMPTY hash entries without
5955 pushing a buffer at all.
5956 (cpp_get_token): Handle clearing only_seen_white here. Handle
5957 incrementing the line number here. Clear
5958 potential_control_macro as well as only_seen_white, if
5960 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
5961 (_cpp_get_define_token): New function, basically like
5962 _cpp_get_directive_token was but doesn't eat horizontal space.
5963 Don't do anything with only_seen_white here.
5964 (_cpp_get_directive_token): Just call _cpp_get_define_token
5965 repeatedly till it returns non-hspace.
5967 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
5968 (conditional_skip, skip_if_group): Return int.
5969 (DIRECTIVE_TABLE): Change origin of all conditional directives
5971 (TRAD_DIRECT_P): New macro.
5972 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
5973 an error for a bogus directive, unless -lang-asm. Use
5974 TRAD_DIRECT_P. Loop calling handler functions till one returns
5976 (get_macro_name): Don't diddle flags here.
5977 (do_define): Diddle flags here. Use _cpp_get_directive_token.
5978 Create T_EMPTY nodes for #define macro /* nothing */.
5979 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
5980 Use hp->name when calling pass_thru_directive.
5981 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
5982 Return the result of conditional_skip and/or skip_if_group.
5983 Don't call _cpp_output_line_command.
5984 (consider_directive_while_skipping): Use _cpp_get_directive_token.
5985 Issue -Wtraditional warnings as appropriate. Don't complain
5986 about unrecognized directives. If we are to stop skipping,
5987 return the number of the directive that ended the skip.
5988 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
5989 expansion and line commands while skipping. Return the result
5990 of consider_directive_while_skipping, if nonzero.
5991 (do_endif): Just set potential_control_macro here.
5992 (validate_else): Use _cpp_get_directive_token.
5993 (do_assert, do_unassert): Don't save pointers into the
5994 token_buffer across calls to the lexer. Use
5995 _cpp_get_directive_token.
5997 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
5998 pointer, not an offset. Replace 'data', which was a generic
5999 pointer, with 'macro', which points to a struct hashnode.
6000 (cpp_reader): Add 'potential_control_macro' pointer.
6001 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
6002 (CPP_BUF_GET, CPP_FORWARD): Delete.
6003 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
6004 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
6005 ACTIVE_MARK_P): Update.
6006 (_cpp_get_define_token): New internal function.
6007 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
6009 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
6011 * configure.in: And here.
6012 * configure: Regenerate.
6013 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
6014 --enable-libstdcxx-v3 is passed at configure time.
6015 * config.h.in: Regenerate.
6017 2000-04-05 Mark Mitchell <mark@codesourcery.com>
6019 * final.c (final): Use xcalloc to allocate line_note_exists.
6020 * function.c (free_after_compilation): Free the temp_slots.
6021 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
6022 (combine_temp_slot): Free temp_slots when they get combined.
6023 (purge_addressof): Fix typo in comment.
6024 * stmt.c (mark_goto_fixup): Mark the fixup itself.
6025 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
6027 * ggc.h: Include varray.h.
6028 (ggc_pending_trees): Declare.
6029 (ggc_mark_tree_children): Remove declaration.
6030 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
6031 * ggc-common.c (ggc_pending_trees): New variable.
6032 (ggc_mark_roots): Call ggc_mark_trees.
6033 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
6034 the ggc_pending_trees.
6035 * Makefile.in (GGC_H): New variable. Use it throughout in place
6038 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6040 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
6043 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6045 * sh.c (sh_insn_length_adjustment): New function.
6046 * sh-protos.h (sh_insn_length_adjustment): Declare.
6047 * sh.h (ADJUST_INSN_LENGTH): Use it.
6049 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
6051 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
6052 from the insn where REG_RETVAL is added.
6053 (emit_no_conflict_block): Ditto.
6055 * md.texi (Standard Names): Clarify when movX is needed.
6057 * combine.c (simplify_comparison) [MINUS]: Do not replace
6058 all (op (minus A B) 0) with (op A B).
6060 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
6061 J"orn Rennecke <amylaar@cygnus.co.uk>
6063 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
6064 (block_lump_real): Likewise.
6066 2000-04-05 Chris Demetriou <cgd@netbsd.org>
6068 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
6069 remaining non-zero debugging masks.
6071 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
6073 * basic-block.h (verify_flow_info): Declare.
6074 (flow_loop_outside_edge_p): Declare.
6075 * flow.c (verify_flow_info): Remove declaration.
6076 (clear_log_links, flow_loop_outside_edge_p): Likewise.
6078 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
6080 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
6083 2000-04-05 Jakub Jelinek <jakub@redhat.com>
6085 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
6086 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
6087 seqdi_zero_trunc+1): Allow splits only if registers are
6090 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
6092 * acconfig.h: Add HAVE_GAS_HIDDEN.
6093 * config.in: Regenerated.
6094 * configure.in: Add test for .hidden pseudo-op in gas.
6095 * configure: Regenerated.
6096 * crtstuff.c: Include auto-host.h.
6097 Emit additional .hidden pseudo-op for __dso_handle if the
6098 assembler knows about it.
6100 2000-04-04 Philippe De Muyter <phdm@macqel.be>
6102 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
6103 before freeing argnames.
6104 * cpplib.c (do_ifndef): Cast return value of xstrdup.
6106 2000-04-05 Michael Meissner <meissner@redhat.com>
6108 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
6109 Walton <jonboy@gordian.com> to make memory references with update
6110 work wtih -mregnames.
6112 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6114 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
6115 (regrename_optimize): Rename variables `def_uses' and
6116 `ext_basic_blocks' to avoid conflicts with similarly named
6117 typedefs in traditional C.
6119 * calls.c (initialize_argument_information): Fix typo in previous
6122 2000-04-04 Richard Henderson <rth@cygnus.com>
6124 * regrename.c (consider_available): Test fixed_regs not
6125 PIC_OFFSET_TABLE_REGNUM.
6127 2000-04-04 Geoff Keating <geoffk@cygnus.com>
6129 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
6131 (CRTSTUFF_T_CFLAGS_S): Delete definition.
6132 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
6133 (ENDFILE_LINUX_SPEC): Always use crtend.
6134 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
6135 (powerpc-*-linux-gnu): Likewise.
6136 * configure: Regenerate.
6138 * config/rs6000/eabi.h: Don't include sysv4.h.
6139 (MULTILIB_DEFAULTS): Don't define.
6140 * config/rs6000/eabiaix.h: Don't include eabi.h.
6141 * config/rs6000/eabile.h: Delete.
6142 * config/rs6000/eabilesim.h: Delete.
6143 * config/rs6000/eabisim.h: Don't include eabi.h.
6144 * config/rs6000/linux.h: Don't include sysv4.h.
6145 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
6146 (MULTILIB_DEFAULTS): Don't redefine.
6147 * config/rs6000/rtems.h: Don't include eabi.h.
6148 * config/rs6000/sol2.h: Don't include sysv4le.h.
6149 * config/rs6000/sysv4le.h: Don't include sysv4.h.
6150 * config/rs6000/t-ppc: Delete.
6151 * config/rs6000/t-ppcgas: Correct comment.
6152 * config/rs6000/t-ppcos: Correct comment. Don't build
6153 multilibs for -fPIC, rather use -fPIC -mstrict-align
6155 * config/rs6000/t-ppc: Delete.
6156 * config/rs6000/vxppc.h: Don't include sysv4.h.
6157 * config/rs6000/vxppcle.h: Delete.
6158 * configure.in: Use multiple header files for p2pc ELF targets
6159 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
6160 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
6161 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
6162 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
6163 always available for these platforms.
6165 2000-04-04 Richard Henderson <rth@cygnus.com>
6167 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
6169 2000-04-04 Stan Cox <scox@cygnus.com>
6171 * Makefile.in: Add rules for regrename.o
6172 * regrename.c: New file.
6173 * rtl.h (regrename_optimize): Add prototype.
6174 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
6175 (compile_file, decode_d_option): Add support for -frename-registers.
6176 (rest_of_compilation): Call regrename_optimize.
6177 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
6180 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6182 * Makefile (gccbug): New target.
6183 (doc): Depend on it.
6184 * gcc.texi (Bugs): Link subnodes.
6186 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
6187 Document severities, priorities, and classes in bug form.
6189 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
6191 * cpplex.c (trigraph_map, speccase): Combine into single
6193 (NORMAL, NONTRI): New macros.
6194 (_cpp_read_and_prescan): Change to use unified table. Use
6195 is_hspace to test for whitespace.
6197 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
6198 definition that doesn't provoke the "empty body in an
6199 if-statement" warning.
6201 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
6203 * builtins.c (expand_builtin_strlen): Force the source to
6204 be a memory address.
6206 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6208 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
6210 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
6212 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
6213 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
6214 (ECF_IS_CONST): Rename to ECF_CONST.
6215 (special_function_p): Make static, change interface.
6216 (flags_from_decl_or_type, try_to_integrate): Break out from ...
6217 (expand_call) ... here; convert number of variables to flags.
6218 (emit_library_call_vlue_1): Likewise.
6219 (setjmp_call_p): New function.
6220 (initialize_argument_information): Accepts flags as argument;
6222 (precompute_arguments): Likewise.
6223 * tree.h (special_function_p): Remove.
6224 (setjmp_call_p): Add prototype.
6226 2000-04-04 Jakub Jelinek <jakub@redhat.com>
6228 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
6229 so that addresses are offsetable by up to 16 bytes.
6230 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
6231 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
6234 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
6235 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
6236 (movsf): Don't force any constant to memory if target is integer
6238 Move fp_zero_operand check below the const0_rtx check.
6239 (movtf): Likewise. Also allow fp_zero_operand for stores into
6241 (movdf): Likewise. Also allow fp_zero_operand for stores into
6242 memory and into integer hard registers.
6243 (clear_df, clear_dfp, movdf_const_intreg_sp32,
6244 movdf_const_intreg_sp64): Remove.
6245 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
6247 (movdf_no_e_insn_v9_sp32): New pattern.
6248 (movdf_insn_v9only): Remove.
6249 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
6250 (movdf_insn_sp64): Remove.
6251 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
6252 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
6253 (following splits): Rewrite conditions. Add two new splits
6254 for storing 0.0 into memory and registers.
6255 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
6256 (movtf_insn_sp32): Redo constraints and conditions.
6257 (movtf_insn_vis_sp32): New pattern.
6258 (movtf_no_e_insn_sp32): Redo constraints and conditions.
6259 (movtf_insn_hq_sp64): Likewise.
6260 (movtf_insn_hq_vis_sp64): New pattern.
6261 (movtf_insn_sp64): Redo constraints and conditions.
6262 (movtf_insn_vis_sp64): New pattern.
6263 (movtf_no_e_insn_sp64): Redo constraints and conditions.
6264 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
6266 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
6267 -mvis or -m64 to take down the number of various reload patterns.
6269 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
6271 * pa/pa-64.h: New file.
6272 * pa/pa64-regs.h: New file.
6273 * pa/pa64-start.h: New file.
6274 * pa/t-pa64: New file.
6275 * pa/xm-pa64hpux.h: New file.
6277 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6279 * sparc.c (output_restore_regs): Prototype.
6280 (sparc_emit_float_lib_cmp): Constification.
6282 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
6284 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
6287 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
6288 (get_value_hash, hash_rtx): Likewise.
6290 * ssa.c (compute_conservative_reg_partition): Prototype.
6292 * tree.c (mark_hash_entry): Prototype.
6294 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
6296 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
6297 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
6298 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
6300 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
6301 * objc/lang-specs.h: Likewise.
6303 2000-04-03 Neil Booth <NeilB@earthling.net>
6305 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
6306 and SYNTAX_ERROR2. Replace `' in messages with ''.
6307 (op_to_str): Make re-entrant.
6308 (_cpp_parse_expr): Implement new error macros. Use | rather
6309 than || to logically or 2 boolean integers. Simply expression
6310 checking we have a left operand iff needed.
6312 2000-04-03 Nick Clifton <nickc@cygnus.com>
6314 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
6316 2000-04-03 Philip Blundell <philb@gnu.org>
6318 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
6320 2000-04-03 Felix Lee <flee@cygnus.com>
6322 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
6323 (run_shell): Use it.
6325 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
6327 * Makefile.in (stmp-int-hdrs): Make include subdir here...
6328 (stmp-fixproto): ...rather than here.
6330 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
6332 * pa.c (print_operand): Compute 'base' only inside the code paths
6335 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
6337 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
6340 2000-04-03 Philipp Thomas <pthomas@suse.de>
6342 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
6344 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
6346 * Makefile.in (alias.o): Depend on $(TREE_H).
6348 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
6350 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
6352 * cpplib.c (_cpp_handle_directive): Improve warnings for
6353 traditional C and indented directives.
6355 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
6356 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
6357 fixinc/inclhack.def: Indent the # of #include_next one space.
6358 * cp/rtti.c: Un-indent #if and #endif.
6360 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
6361 syntax error, but an error has already been printed.
6362 * cpplex.c (_cpp_parse_assertion): Give a more specific error
6363 message when called with nothing remaining on the line.
6364 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
6365 OTHER token, not an ASSERTION.
6366 * cpplib.c (do_assert): When we create a 'base' node, clear
6367 its aschain pointer.
6369 2000-04-02 Neil Booth <NeilB@earthling.net>
6371 * cppexp.c: New typedef op_t. struct operation and struct
6372 token updated to use it.
6373 (op_to_str): New function.
6374 (_cpp_parse_expr): Error messages modified to use op_to_str.
6376 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6378 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
6379 before checking MUST_PASS_IN_STACK.
6381 2000-04-02 Neil Booth <NeilB@earthling.net>
6383 * cppexp.c: New FINISHED dummy token. Combine operator initial
6384 flags and initial priority into a single constant. New
6385 EQUALITY macro. New operator flag SHORT_CIRCUIT.
6386 (_parse_cpp_expr): Implement new constants. Take left operand
6387 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
6388 parse indicated by reducing FINISHED token. Remove new lines
6389 from cpp_error messages.
6391 2000-04-01 Mark Mitchell <mark@codesourcery.com>
6393 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
6396 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
6398 * cpplib.c: Include symcat.h. Add 'origin' field to struct
6399 directive. Add origin values to DIRECTIVE_TABLE. Generate
6400 the strings and function names on the fly. Take the #sccs
6401 entry out of the table if SCCS_DIRECTIVE is not defined.
6402 (_cpp_handle_directive): Decide if the # was at the beginning
6403 of the line here. Issue -pedantic warnings for extended
6404 directives here. Warn about K+R directives with the #
6405 indented, and C89/extended directives with the # not indented,
6407 (do_import, do_include_next, do_warning, do_ident, do_sccs,
6408 do_assert, do_unassert): Don't issue pedantic warning here.
6410 * cpphash.h: Add CPP_WTRADITIONAL macro.
6411 * cpplib.h (struct cpp_options): Rename warn_stringify to
6412 warn_traditional; update comments.
6413 * cppinit.c (handle_option): Set warn_traditional not
6415 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
6416 CPP_WTRADITIONAL (pfile).
6417 * cpplex.c (_cpp_lex_token): Don't decide if directives should
6418 be ignored in -traditional mode here.
6420 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
6421 to initialize speccase[] and trigraph_map[]. Delete all
6422 references to pfile->input_speccase. Always treat '?' as a
6423 special character. Remove table-initialization code from
6424 _cpp_init_input_buffer.
6426 * cpplib.h (struct cpp_reader): Remove input_speccase field.
6427 * cppinit.c (cpp_cleanup): Don't free input_speccase.
6429 2000-04-01 Richard Henderson <rth@cygnus.com>
6431 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
6432 (mostlyclean): Likewise.
6434 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
6435 (struct dump_file_info, enum dump_file_index, dump_file): New.
6436 (open_dump_file): Take a dump_file_index not a suffix, and a decl
6437 not a string. Clean out file if we havn't yet done so. Do nothing
6438 if the dump isn't enabled.
6439 (close_dump_file): Do nothing if the dump isn't open. Dump
6440 graph data if requested.
6441 (dump_rtl, clean_dump_file): Remove.
6442 (compile_file): Don't clean the dump files. Only finalize .bp dump
6443 if flag_test_coverage or flag_branch_probabilities. Only finalize
6444 .combine dump if optimizing. Iterate over dump_file to finalize the
6446 (rest_of_compilation): Update for open_dump_file/close_dump_file.
6447 Convert all uses of dump_rtl.
6448 (decode_d_option): Iterate over dump_file to implement 'a' and to
6449 locate pass-specific dumps.
6451 2000-04-01 Neil Booth <NeilB@earthling.net>
6453 * cppexp.c: Redefine priority constants.
6454 (_cpp_parse_expr): Replace left and right priority scheme with
6455 single priority logic. Move LOGICAL to same place as COMPARE.
6456 Remove bogus check for multiple unary +/- operators.
6458 2000-04-01 Neil Booth <NeilB@earthling.net>
6460 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
6461 within the switch statement. Binary operations break out of
6462 the switch naturally. '(' tokens handled by forcing
6463 immediate shift. ')' handled by forcing immediate reduce to
6464 the previous '('. New error messages.
6466 2000-03-31 Geoff Keating <geoffk@cygnus.com>
6468 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
6469 part', it's already in use. Use %K instead. Add a return at the
6470 end of what is now %K.
6471 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
6473 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
6475 * builtins.c (expand_builtin_apply): Pass proper parameters to
6476 allocate_dynamic_stack_space.
6477 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
6478 update stack_pointer_delta; do not update arg_size_so_far.
6479 (compute_argument_block_size): Use stack_delta instead of
6480 stack_pointer_pending and arg_size_so_far.
6481 (expand_call): Add sanity checking for stack_pointer_delta;
6482 save and restore stack_pointer_delta for SIB, use
6483 stack_pointer_delta for alignment; do not update arg_space_so_far.
6484 (emit_library_call_value): Use stack_pointer_delta for alignment.
6485 (store_one_arg): Do not update arg_space_so_far.
6486 * explow.c (adjust_stack, anti_adjust_stack): Update
6487 stack_pointer_delta.
6488 (allocate_dynamic_stack_space): Add sanity checking for
6489 stack_pointer_delta.
6490 * expr.c (init_expr, clear_pending_stack_adjust): Clear
6491 stack_pointer_delta.
6492 (emit_push_insn): Update stack_pointer_delta.
6493 * function.h (struct expr_status): Add x_stack_pointer_delta;
6494 remove x_arg_space_so_far.
6495 (arg_space_so_far): Remove.
6496 (stack_pointer_delta): New macro.
6498 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
6500 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
6501 Reorder struct cpp_options and struct cpp_reader for better
6502 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
6503 takes two args. Change all 'char' flags to 'unsigned char'.
6504 Move show_column flag into struct cpp_options. Don't
6505 prototype cpp_options_init.
6506 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
6507 cppinit.c, cpplex.c, cpplib.c:
6508 Replace CPP_OPTIONS (pfile)->whatever with
6509 CPP_OPTION (pfile, whatever), and likewise for
6510 opts = CPP_OPTIONS (pfile); ... opts->whatever;
6512 * cppinit.c (merge_include_chains): Take a cpp_reader *.
6513 Extract CPP_OPTION (pfile, pending) and work with that
6515 (cpp_options_init): Delete.
6516 (cpp_reader_init): Turn on on-by-default options here.
6517 Allocate the pending structure here.
6518 (cl_options, enum opt_code): Define these from the same table,
6519 kept in a large macro. Add -fshow-column and -fno-show-column
6522 * cpperror.c (v_message): If show_column is off, don't print
6525 * cppmain.c: Update for new interface.
6526 * fix-header.c: Likewise.
6528 2000-03-30 Geoff Keating <geoffk@cygnus.com>
6530 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
6532 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
6533 are passed to any invocation of AR_FOR_TARGET.
6534 (AR_CREATE_FOR_TARGET): New macro.
6535 (AR_EXTRACT_FOR_TARGET): New macro.
6536 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
6537 AR_EXTRACT_FOR_TARGET.
6538 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
6539 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
6540 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
6541 AR_EXTRACT_FOR_TARGET to sub-makes.
6543 2000-03-31 Neil Booth <NeilB@earthling.net>
6545 * cppexp.c: Delete SKIP_OPERAND. Correct priority
6547 (_cpp_parse_expr): Check for multiple unary +/- operators.
6548 Correct priorities of ':' and '?'. Treat ')' as having a
6549 value. Ensure conditional expression is not void.
6551 2000-03-31 Mark Mitchell <mark@codesourcery.com>
6553 * alias.c (canon_rtx): Make it global.
6554 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
6556 * cse.c (struct table_elt): Add canon_exp.
6558 (invalidate): Canonicalize expressions only once.
6559 * rtl.h (canon_rtx): Declare.
6561 2000-03-30 Mark Mitchell <mark@codesourcery.com>
6563 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
6564 * alias.c (reg_known_value): Add comments.
6565 (init_alias_analysis): Likewise.
6566 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
6568 (cse_basic_block): Fix typo in comment.
6569 * emit-rtl.c: Include hashtab.h.
6570 (const_int_htab): New variable.
6571 (const_int_htab_hash): New function.
6572 (const_int_htab_eq): Likewise.
6573 (rtx_htab_mark_1): Likewise.
6574 (rtx_htab_mark): Likewise.
6575 (gen_rtx_CONST_INT): Cache all CONST_INTs.
6576 (unshare_all_rtx): Fix formatting.
6577 (init_emit_once): Initialize const_int_htab.
6578 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
6580 * rtl.texi: Document the fact that all CONST_INTs with the same
6583 2000-03-30 Richard Henderson <rth@cygnus.com>
6585 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
6587 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
6589 * configure.in: Comment out --enable-c-cpplib stanza.
6590 * configure: Regenerate.
6592 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6594 * expr.c (store_constructor): Properly compute displacement and
6595 alignment when offset is variable.
6597 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
6598 cases of alignment in bytes.
6600 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
6602 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
6603 since it is used to generate c-parse.y.
6604 * objc-parse.c, objc-parse.y: Regenerated.
6606 * function.c (expand_function_end): Pass alignment argument to
6607 emit_block_move in bits, not bytes.
6609 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6611 * expr.c (move_by_pieces_ninsns): Fix one more missing align
6614 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
6616 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
6617 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
6618 * function.c (assign_parms): Likewise.
6619 * integrate.c (expand_inline_function): Likewise.
6620 * stmt.c (expand_decl): Likewise.
6621 (copy_rtx_and_substitute): Likewise.
6622 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
6623 (clear_by_pieces): Fix error in last change.
6624 * emit-rtl.c (init_emit): Set known registers alignment in bits.
6625 * function.h (regno_pointer_align): Now unsigned.
6626 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
6628 * config/i386/i386.c (aligned_operand): Likewise.
6629 * config/sparc/sparc.c (mem_min_alignment): Likewise.
6630 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
6631 (unaligned_memory_operand): Likewise.
6632 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
6633 Also make alignments and sizes unsigned and some whitespace cleanup.
6634 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
6636 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
6637 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
6638 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
6639 (expand_builtin_memset): Likewise, but to clear_storage.
6640 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
6641 (restore_fixed_argument_area): Likewise.
6642 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
6643 (load_register_parameters): Likewise, to emit_group_load.
6644 (expand_call): Likewise, to emit_group_store and emit_block_move.
6645 (emit_library_call_value_1): Likewise, to emit_block_move.
6646 (store_one_arg): Likewise, and to emit_push_insn.
6647 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
6648 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
6649 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
6650 (emit_block_move, emit_group_load, emit_group_store): Likewise.
6651 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
6652 (expand_assigment, store_expr, store_constructor_field): Likewise.
6653 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
6654 (store_constructor, store_field, get_inner_reference): Likewise.
6655 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
6656 (expand_expr, case COMPONENT_REF): Likewise.
6657 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
6658 and positions; reindent code.
6659 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
6660 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
6661 (assign_parms): Likewise to emit_group_store.
6662 * optabs.c (prepare_cmp_insn): Alignment is in bits.
6663 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
6664 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
6665 (expand_return): Likewise to {extract,store}_bit_field.
6666 * stor-layout.c (get_mode_alignment): Minor cleanup.
6667 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
6668 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
6670 2000-03-29 Nick Clifton <nickc@cygnus.com>
6672 * config/arm/arm.h: Undo effects of previous delta:
6673 (ASM_SPEC): Do not define.
6674 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
6676 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
6679 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
6681 * cppinit.c (cpp_start_read): Call initialize_dependency_output
6682 only after reading in the primary source file.
6684 2000-03-29 Geoff Keating <geoffk@cygnus.com>
6686 * c-common.c (c_common_nodes_and_builtins): The first parameter to
6687 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
6688 or a reference to a va_list.
6689 * builtins.c (stabilize_va_list): Simplify now we don't have to
6690 work around C array address decay.
6691 * c-typeck.c (convert_for_assignment): Handle assignment to
6692 a reference parameter by taking the address of the RHS.
6693 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
6694 (va_copy): Likewise.
6695 (__va_copy): Likewise.
6696 * ginclude/varargs.h (va_start): Likewise.
6697 (__va_copy): Likewise.
6699 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
6701 * i386/djgpp.h: Remove extraneous "+".
6703 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
6705 * calls.c (expand_call): Fix typo in last change.
6707 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
6709 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
6712 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6714 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
6715 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
6716 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
6717 * tree.c (bit_position, byte_position): Likewise.
6718 * tree.h: Declare new functions.
6720 2000-03-29 Nick Clifton <nickc@cygnus.com>
6722 * config/arm/arm.c: Minor formatting changes/
6723 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
6725 (ASM_SPEC): Define if not already defined.
6727 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
6729 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
6732 2000-03-29 Jakub Jelinek <jakub@redhat.com>
6734 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
6735 value, don't output it as unsigned.
6737 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
6739 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
6741 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6743 * c-common.c (c_common_nodes_and_builtins): Don't special case
6744 cplus_mode when declaring builtin bzero/bcmp, always avoid
6745 prototype arguments.
6747 2000-03-29 Bruce Korb <bkorb@gnu.org>
6749 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
6752 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
6754 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
6755 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
6756 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
6757 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
6758 (save_fixed_argument_area, restore_fixed_argument_area):
6759 conditionize by #ifdef REG_PARM_STACK_SPACE only.
6760 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
6761 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
6762 (precompute_register_parameters): Avoid #ifdefs on
6763 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
6764 (stire_one_args): Likewise.
6765 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
6766 (emit_library_call_value_1): Likewise.
6767 (compute_argument_block_size): Align to STACK_BOUNDARY only for
6768 ACCUMULATE_OUTGOING_ARGS.
6769 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
6771 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
6772 (use_crosses_set_p): Likewise.
6773 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
6774 #define ACCUMULATE_OUTGOING_ARGS 1.
6775 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
6777 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
6779 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
6780 (TARGET_SWITCHES): Add push-args, no-push-args,
6781 accumulate-outgoing-args and no-accumulate-outgoing-args.
6782 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
6783 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
6784 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
6786 (emit_push_insn): Likewise.
6787 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
6788 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
6789 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
6790 (STACK_DYNAMIC_OFFSET): Define correctly for both
6791 ACCUMULATE_OUTGOING_ARGS and normal mode.
6792 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
6793 * tm.texi (PUSH_ARGS): Document.
6794 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
6796 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
6798 * flags.h (flag_optimize_sibling_calls): Declare.
6799 * calls.c (expand_call): Fail sibcall when
6800 !flag_optimize_sibling_calls
6801 * invoke.texi (flag_optimize_sibling_calls): Document.
6802 * toplev.c (flag_optimize_sibling_calls): New global variable.
6803 (f_options): Add flag_optimize_sibling_calls.
6804 (rest_of_compilation): Conditionize
6805 optimize_sibling_and_tail_recursive_calls by
6806 flag_optimize_sibling_calls.
6807 (main): Set flag_optimize_sibling_calls for -O2.
6808 * stmt.c (expand_return): Conditionize tail recursion by
6809 flag_optimize_sibling_calls.
6811 2000-03-29 Richard Henderson <rth@cygnus.com>
6813 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
6814 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
6816 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
6818 * except.c (add_eh_table_entry): Mark type_info's as referenced.
6820 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6822 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
6824 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
6825 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
6826 * config/rs6000/aix.h: then modified likewise.
6828 2000-03-28 Richard Henderson <rth@cygnus.com>
6830 * rtl.h: Redistribute enum reg_note documentation.
6831 Kill trailing whitespace.
6832 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
6833 Kill trailing whitespace.
6835 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
6837 * cppfiles.c (hash_IHASH): Just return i->hash.
6838 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
6839 htab_find_with_hash.
6840 (cpp_read_file): Likewise.
6841 (find_include_file): Likewise. Properly initialize
6842 ih->nshort. Share ih->name and ih->nshort if possible.
6843 * cpphash.c (_cpp_calc_hash): New function.
6844 (hash_HASHNODE): Just return h->hash.
6845 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
6846 htab_find_with_hash.
6847 * cpphash.h: Prototype _cpp_calc_hash.
6848 * cppinit.c (initialize_builtins): Provide a valid hash
6849 to _cpp_make_hashnode, using _cpp_calc_hash.
6851 * cpphash.c (collect_expansion): # is not a special character
6852 in object-like macros. In -traditional mode, /**/ is not
6853 token paste at the beginning or end of the line.
6854 * cpplib.c (do_include, do_import, do_include_next): If
6855 parse_include fails, return immediately.
6857 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
6859 * config/arm/arm.md (return peepholes): Update to reflect the new
6861 * config/arm/arm.c (arm_volatile_func): Also check
6862 current_function_nothrow.
6863 (output_return_instruction, output_func_prologue): Use it.
6864 (arm_output_epilogue, arm_expand_prologue): Likewise.
6866 2000-03-27 Tom Tromey <tromey@cygnus.com>
6868 * gcc.c (handle_braces): In {x*...} case, break out of loop if
6871 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6873 * expr.c (store_constructor): SIZE now signed.
6874 For EXPR_SIZE, don't evaluate size; just needed if constant.
6875 * fold-const.c (fold): Fix a number of cases when folded tree is
6877 * function.c (flush_addressof): Reenable.
6878 * tree.h (flush_addressof): Likewise.
6879 * toplev.c (independent_decode_option): Look at strings_processed.
6880 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
6882 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
6884 * sibcall.c (indentify_call_return_value): Find last call in the chain;
6885 Allow stack adjustment after function call.
6887 * regmove.c (struct csa_memlist): Make mem field rtx *.
6888 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
6889 (try_apply_stack_adjustment): Replace whole MEM rtx.
6890 (combine_stack_adjustments_for_block): Update calls
6891 to record_one_stack_ref.
6893 2000-03-28 Neil Booth <NeilB@earthling.net>
6895 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
6896 '\\' rather than a null character, so nulls are not special. Fix
6897 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
6898 speed trigraph conversion.
6899 (_cpp_init_input_buffer): Initialize trigraph map.
6901 2000-03-27 Alan Modra <alan@linuxcare.com.au>
6903 * config/i386/i386.c (output_387_binary_op): Correct intel
6904 mode assembly output, and add spaces after commas in AT&T
6905 output. Correct Unixware assembler comment. Document input
6906 constraints. Comment fp operations. Reduce profligate buffer
6907 size. Remove extraneous abort. Localize temp var.
6908 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
6909 (output_fix_trunc): Add spaces after commas in assembly output.
6911 2000-03-27 Richard Henderson <rth@cygnus.com>
6913 * i386-protos.h (ix86_match_ccmode): Declare.
6914 * i386.c (ix86_match_ccmode): New.
6915 (ix86_expand_fp_compare): Update for pattern renames.
6916 (ix86_expand_strlensi_unroll_1): Likewise.
6917 * i386.h (EXTRA_CC_MODES): Add CCZ.
6918 (SELECT_CC_MODE): Use it for EQ/NE zero.
6919 * i386.md (cmpsi_ccz_1): New.
6921 (*testsi_ccz_1): New.
6922 (testqi_ccz_1): New.
6923 (cmpsi_ccno_1): Rename from cmpsi_0.
6924 (testsi_ccno_1): Rename from testsi_1.
6925 (testqi_ccno_1): Rename from testqi_1.
6926 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
6927 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
6928 (*cmphi_0): Use ix86_match_ccmode.
6929 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
6930 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
6931 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
6932 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
6933 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
6934 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
6935 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
6936 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
6937 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
6938 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
6939 (appropriate peepholes): Likewise.
6940 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
6941 (*subsi_3, *subhi_3, *subqi_3): Remove.
6942 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
6943 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
6944 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
6945 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
6946 (x86_shift_adj_1): Use CCZ.
6947 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
6949 2000-03-27 Stan Cox <scox@cygnus.com>
6951 * resource.h (mark_resource_type): New.
6952 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
6953 find_free_register): Use mark_resource_type.
6954 (mark_set_resources): Change include_delayed_effects
6955 to mark_resource_type.
6956 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
6957 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
6958 Use mark_resource_type.
6960 2000-03-27 Richard Henderson <rth@cygnus.com>
6962 * i386.md (call_pop_0, call_value_pop_0): New.
6963 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
6964 (call_value_pop_1): Likewise.
6965 (call_0, call_value_0): New.
6966 (call_1, call_value_1): Remove constraint from unused arg.
6968 2000-03-27 Nick Clifton <nickc@cygnus.com>
6970 * invoke.texi (Spec Files): Document new spec % command created by
6971 Tom Tromey's recent patch.
6973 2000-03-27 Jakub Jelinek <jakub@redhat.com>
6975 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
6978 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6980 * expr.c (expand_assignment): Fix typo in last change.
6982 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
6984 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6986 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
6987 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
6988 and DECL_INLINE if FUNCTION_DECL.
6989 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
6990 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
6991 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
6992 (combine_parm_decls): Likewise.
6993 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
6994 * print-tree.c (print_node): Likewise.
6995 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
6996 DECL_TRANSPARENT_UNION on proper decl types.
6997 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
6998 * stor-layout.c (layout_decl): Only check DECL_PACKED and
6999 DECL_BIT_FIELD of FIELD_DECL.
7000 * tree.h (DECL_RESULT_FLD): New macro.
7002 * expr.c (expand_assignment): Add code to handle variable-sized
7005 2000-03-26 Richard Henderson <rth@cygnus.com>
7007 * calls.c (expand_call): Pass parms not original exp to
7008 optimize_tail_recursion. Mind return value instead of looking
7010 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
7011 call_expr. Move checks for call_expr and current_function_decl ...
7012 (expand_return): ... here.
7014 2000-03-26 Tom Tromey <tromey@cygnus.com>
7016 * gcc.c (handle_braces): Recognize `%{<S}' construct.
7017 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
7019 (process_command): Use them.
7020 (check_live_switch): Likewise.
7021 (give_switch): Skip ignored switches.
7023 2000-03-26 Jan Hubicka <jh@suse.cz>
7025 * jump.c (jump_optimize_1): Fix typo in elide optimizations
7026 for minimal jump pass test.
7028 2000-03-26 Mark Mitchell <mark@codesourcery.com>
7030 * integrate.c (function_cannot_inline_p): Do inline functions that
7033 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7035 * stor-layout.c (layout_type, set_sizetype): early_type_list is
7036 now a list of TREE_LIST entries, not types.
7037 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
7039 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
7040 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
7042 * config/mips/mips.c (function_arg): Likewise; also remove cast
7043 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
7044 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
7045 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
7046 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
7047 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
7048 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
7049 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
7050 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
7051 num_adjusts now unsigned.
7052 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
7053 * config/sparc/sparc.c (struct function_arg_record_value_parms):
7055 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
7056 as is BITPOS variable; use host_integerp and int_bit_position.
7057 (function_arg_record_value_2): Likewise.
7058 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
7059 Variable REGNO now unsigned.
7060 (function_arg_record_value): NREGS now unsigned.
7062 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
7064 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
7066 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7068 * Rework fields used to describe positions of bitfields and
7069 modify sizes to be unsigned and use HOST_WIDE_INT.
7070 * alias.c (reg_known_value_size): Now unsigned.
7071 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
7072 (really_start_incremental_init): Use bitsize_zero_node.
7073 (push_init_level, pop_init_level, output_init_element): Likewise.
7074 Use bitsize_unit_node and bitsize_one_node.
7075 (output_pending_init_elements, process_init_element): Likewise.
7076 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
7077 (make_extraction): Position and length HOST_WIDE_INT and unsigned
7078 HOST_WIDE_INT, respectively.
7079 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
7080 (num_sign_bit_copies): Returns unsigned.
7081 BITWIDTH now unsigned; rework arithmetic.
7082 Remove recursive call from arg to MAX.
7083 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
7084 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
7086 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
7087 (find_split_point, expand_compound_operation, make_extraction): LEN
7088 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
7089 (make_field_assignment): Likewise.
7090 (combine_simplify_rtx): Add cast.
7091 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
7092 (force_to_mode): WIDTH now unsigned; add cast.
7093 (if_then_else_cond): SIZE now unsigned.
7094 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
7095 (extended_count): Now returns unsigned.
7096 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
7097 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
7098 (simplify_comparison): MODE_WIDTH now unsigned.
7099 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
7100 (mark_used_regs_combine): Likewise; rework arithmetic.
7101 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
7102 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
7103 (record_promoted_value): REGNO now unsigned.
7104 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
7105 (get_last_value): REGNO now unsigned.
7106 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
7107 (reg_dead_regno, reg_dead_endregno): Now unsigned.
7108 (remove_death): Arg REGNO now unsigned.
7109 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
7110 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
7112 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
7113 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
7114 (struct cse_reg_info): REGNO now unsigned.
7115 (cached_regno): Now unsigned.
7116 (REGNO_QTY_VALID_P): Add cast.
7117 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
7118 (remove_invalid_regs): Likewise.
7119 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
7120 as are variables END and I.
7121 (get_cse_reg_info, insert): Likewise.
7122 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
7123 (canon_hash): Likewise.
7124 (insert_regs, lookup_for_remove): REGNO now unsigned.
7125 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
7127 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
7128 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
7129 * emit-rtl.c (subreg_realpart_p): Add cast.
7130 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
7131 (operand_subword_force): Arg I is now unsigned.
7132 * except.c (eh_regs): Variable I is now unsigned.
7133 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
7134 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
7135 length is unsigned HOST_WIDE_INT; likewise for internal variables.
7136 (store_split_bit_field, extract_fixed_bit_field): Likewise.
7137 (extract_split_bit_field, store_bit_field, extract_bit_field):
7139 * expr.c (store_constructor_fields, store_constructor, store_field):
7140 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
7141 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
7142 (do_jump): Likewise.
7143 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
7144 MAX_SIZE is now unsigned.
7145 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
7146 (emit_group_store): Likewise.
7147 (emit_move_insn): I now unsigned.
7148 (store_constructor): Use host_integerp, tree_low_cst, and
7150 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
7151 Rework all calculations to use trees and new fields.
7152 * expr.h (promoted_input_arg): Regno now unsigned.
7153 (store_bit_field, extract_bit_field): Adjust types of pos and size.
7154 (mark_seen_cases): Arg is HOST_WIDE_INT.
7155 * flow.c (verify_wide_reg_1): REGNO now unsigned.
7156 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
7157 precisions and alignments are unsigned.
7158 (optimize_bit_field_compare, fold_truthop): Likewise.
7159 (int_const_binop): Adjust threshold for size_int_type_wide call.
7160 (fold_convert): Likewise.
7161 (size_int_type_wide): Make table larger and fix thinko that only
7162 had half of table used.
7163 (all_ones_mask_p, fold): Precisions are unsigned.
7164 * function.c (put_reg_info_stack): REGNO is unsigned.
7165 (instantiate_decl): Size is HOST_WIDE_INT.
7166 (instantiate_virtual_regs): I is unsigned.
7167 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
7168 (promoted_input_arg): REGNO is unsigned.
7169 * function.h (struct function): x_max_parm_reg is now unsigned.
7170 * gcse.c (max_gcse_regno): Now unsigned.
7171 (struct null_pointer_info): min_reg and max_reg now unsigned.
7172 (lookup_set, next_set): REGNO arg now unsigned.
7173 (compute_hash_table): REGNO and I now unsigned.
7174 (handle_avail_expr): regnum_for_replacing now unsigned.
7175 (cprop_insn): REGNO now unsigned.
7176 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
7177 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
7178 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
7179 * hard-reg-set.h (reg_class_size): Now unsigned.
7180 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
7181 * jump.c (mark_modified_reg): I now unsigned; add cast.
7182 (rtx_equal_for_thread_p): Add cast.
7183 * loop.c (max_reg_before_loop): Now unsigned.
7184 (struct_movable): REGNO now unsigned.
7185 (try_copy_prop): REGNO arg unsigned.
7186 (regs_match_p): XN and YN now unsigned.
7187 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
7188 (strength_reduce): Likewise; NREGS also unsigned.
7189 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
7190 * loop.h (struct iv_class): REGNO now unsigned.
7191 (max_reg_before_loop, first_increment_giv, last_increment_giv):
7193 * machmode.h (mode_size, mode_unit_size): Now unsigned.
7194 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
7195 * optabs.c (expand_binop): I and NWORDS now unsigned.
7196 (expand_unop): I now unsigned.
7197 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
7198 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
7199 * real.c (significand_size): Now returns unsigned.
7200 * real.h (significand_size): Likewise.
7201 * regclass.c (reg_class_size): Now unsigned.
7202 (choose_hard_reg_mode): Both operands now unsigned.
7203 (record_reg_classes): REGNO and NR now unsigned.
7204 (reg_scan): NREGS now unsigned.
7205 (reg_scan_update): old_max_regno now unsigned.
7206 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
7207 * reload.c (find_valid_class): BEST_SIZE now unsigned.
7208 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
7209 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
7210 Likewise for variable R.
7211 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
7212 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
7213 (find_equiv_reg): Add casts.
7214 (regno_clobbered_p): Arg REGNO now unsigned.
7215 * reload.h (struct reload): NREGS now unsigned.
7216 (refers_to_regno_for_reload_p): Regno args are unsigned.
7217 (regno_clobbered_p): Likewise.
7218 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
7219 (compute_use_by_pseudos): REGNO now unsigned.
7220 (find_reg): I and J now unsigned, new variable K, and change loop
7221 variables accordingly; THIS_NREGS now unsigned.
7222 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
7223 (spill_hard_reg): REGNO arg now unsigned; add casts.
7224 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
7225 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
7226 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
7227 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
7228 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
7229 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
7230 (emit_reload_insns): REGNO now unsigned.
7231 (reload_cse_move2add): Add cast.
7232 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
7234 * resource.c (mark_referenced_resources, mark_set_resources): New
7235 variable R; REGNO and LAST_REGNO now unsigned.
7236 (mark_target_live_regs): J and REGNO now unsigned.
7237 * rtl.c (mode_size, mode_unit_size): Now unsigned.
7238 * rtl.h (union rtunion_def): New field rtuint.
7239 (XCUINT): New macro.
7240 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
7241 (operand_subword, operand_subword_force): Word number is unsigned.
7242 (choose_hard_reg_mode): Operands are unsigned.
7243 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
7244 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
7245 (regno_use_in, combine_instructions, remove_death): Likewise.
7246 (reg_scan, reg_scan_update): Likewise.
7247 (extended_count): Return is unsigned.
7248 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
7249 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
7250 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
7251 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
7252 (reg_reg_last_1): FIRS and LAST now unsigned.
7253 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
7254 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
7256 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
7257 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
7258 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
7259 (replace_regs): Arg NREGS now unsigned.
7260 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
7261 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
7262 (simplify_binary_operation): Likewise.
7263 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
7264 THIS_LAST now unsigned.
7265 (cselib_record_set): Add cast.
7266 * ssa.c (ssa_max_reg_num): Now unsigned.
7267 (rename_block): REGNO now unsigned.
7268 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
7270 (all_cases_count): Just return -1 not -2.
7271 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
7272 Rework tests to use trees whenever possible.
7273 Use host_integerp and tree_low_cst.
7274 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
7275 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
7276 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
7277 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
7278 (smallest_mode_for_size): Likewise.
7279 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
7280 KNOWN_ALIGN is now an alignment, so simplify code.
7281 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
7282 (start_record_layout): Renamed from new_record_layout_info.
7283 Update to new fields.
7284 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
7286 (place_union_field): Renamed from layout_union_field.
7287 Update to use new fields in rli.
7288 (place_field): Renamed from layout_field.
7289 Major rewrite to use new fields in rli; pass alignment to layout_decl.
7290 (finalize_record_size): Rework to use new fields in rli and handle
7292 (compute_record_mode): Rework to simplify and to use new DECL fields.
7293 (finalize_type_size): Make rounding more consistent.
7294 (finish_union_layout): Deleted.
7295 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
7296 (layout_type, case RECORD_TYPE): Call new function names.
7297 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
7298 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
7299 (get_best_mode): UNIT is now unsigned; remove casts.
7300 * tree.c (bit_position): Compute from new fields.
7301 (byte_position, int_byte_position): New functions.
7302 (print_type_hash_statistics): Cast to remove warning.
7303 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
7304 (build_index_type): Likewise; make subtype of sizetype.
7305 (build_index_2_type): Pass sizetype to build_range_type.
7306 (build_common_tree_nodes): Use size_int and bitsize_int to
7307 initialize nodes; add bitsize_{zero,one,unit}_node.
7308 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
7309 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
7310 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
7311 (DECL_FIELD_BITPOS): Deleted.
7312 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
7313 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
7314 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
7315 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
7316 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
7317 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
7318 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
7319 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
7320 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
7321 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
7322 (DECL_ALIGN): Adjust to new field in union.
7323 (DECL_OFFSET_ALIGN): New field.
7324 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
7325 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
7326 (union tree_decl): Add struct for both aligns.
7327 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
7328 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
7329 (struct record_layout_info): Rework fields to have offset
7330 alignment and byte and bit position.
7331 (start_record_layout, place_field): Renamed from old names.
7332 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
7333 (byte_position, int_byte_position): Likewise.
7334 (get_inner_reference): Change types of position and length.
7335 * unroll.c (unroll_loop): New variable R; use for some loops.
7336 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
7337 (calculate_giv_inc): Arg REGNO now unsigned.
7338 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
7339 * varasm.c (assemble_variable): Clean up handling of size using
7340 host_integerp and tree_low_cst.
7341 (decode_addr_const): Use byte, not bit, position.
7342 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
7343 use tree_low_cst and int_bit_position.
7344 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
7346 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
7348 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
7349 (reorder_block_def): New members eff_head and eff_end.
7350 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
7351 (verify_insn_chain): New function.
7352 (skip_insns_between_block): Add code to skip deleted insns.
7353 Check for note before using.
7354 (chain_reorder_blocks): Replace calls to skip_insns_between_block
7355 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
7356 Check for note before using.
7357 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
7358 (fixup_reorder_chain): Restructure, clean up, defect removal.
7359 (reorder_basic_blocks): Remove last_insn and references to it.
7360 Moved insn chain verification code into a new function (see above).
7361 Delete defective code that sets last insn.
7362 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
7365 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7367 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
7369 2000-03-24 Richard Henderson <rth@cygnus.com>
7371 * tree.c (lang_safe_for_unsave): Remove.
7372 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
7373 allowing for two levels of unsafeness. Remove lang hook.
7374 * tree.h: Update declarations.
7375 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
7376 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
7377 Always fail sibcalls when there are pending cleanups.
7379 2000-03-24 Geoff Keating <geoffk@cygnus.com>
7381 * flow.c (propagate_block): When we delete an ADDR_VEC,
7382 also delete the BARRIER following it if there is one.
7384 2000-03-24 Richard Henderson <rth@cygnus.com>
7386 * builtins.c (expand_builtin_bzero): Convert `length' argument
7389 2000-03-24 Jakub Jelinek <jakub@redhat.com>
7391 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
7392 comparison if regno's are equal.
7393 * calls.c (initialize_argument_informat): Add ecf_flags argument.
7394 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
7395 (expand_call): Update caller.
7396 Avoid making a sibling call if argument size of the callee is larger
7397 than argument size of the caller.
7398 Call hard_function_value with outgoing set if in sibcall pass.
7399 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
7401 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
7402 Change LEAF_REGISTERS from an array initializer to actual array
7403 identifier. Move static global variable into the function.
7404 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
7405 sequences for leaf functions.
7406 * global.c (global_alloc): Likewise.
7407 * tm.texi (LEAF_REGISTERS): Update documentation.
7409 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
7410 TARGET_FLAT leaf disabling hack.
7411 (LEAF_REGISTERS): Changed from an array initializer to actual array
7412 identifier to avoid duplication and remove the above hack.
7413 (FUNCTION_OK_FOR_SIBCALL): Define.
7414 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
7415 always like call attribute.
7416 (eligible_for_sibcall_delay): New attribute.
7417 (sibcall): New delay type.
7418 (sibcall, sibcall_value, sibcall_epilogue): New expands.
7419 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
7420 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
7421 * config/sparc/sparc.c (sparc_leaf_regs): New array.
7422 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
7424 (output_function_epilogue): Move part of the code into
7425 output_restore_regs.
7426 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
7428 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
7431 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
7432 until infrastructure is finished.
7434 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
7436 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
7437 (save_parm_insns): Not here.
7439 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7441 * builtins.c (expand_builtin_bzero): New function.
7442 (expand_builtin): Handle bzero.
7444 * builtins.def: Add BUILT_IN_BZERO.
7446 * c-common.c (c_common_nodes_and_builtins): Provide builtin
7447 prototype & function for bzero.
7449 2000-03-23 Michael Meissner <meissner@redhat.com>
7451 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
7452 change adding TARGET_FP to the TF floating point insns, except for
7453 trunctfsf2, which generates direct calls to truncdfsf2.
7455 2000-03-23 Geoff Keating <geoffk@cygnus.com>
7457 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
7458 try to protect against middle-end changes that break binary
7460 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
7462 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7464 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
7466 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7468 * calls.c (expand_call): If TARGET is passed by reference and
7469 is readonly, write a CLOBBER.
7471 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7473 * builtins.c (expand_builtin): Handle bcmp.
7475 * builtins.def: Add BUILT_IN_BCMP.
7477 * c-common.c (c_common_nodes_and_builtins): Provide builtin
7478 prototype & function for bcmp.
7480 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
7482 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
7483 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
7484 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
7486 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
7488 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
7489 alternative when using -fp64 -gp32.
7491 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
7493 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
7494 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
7495 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
7497 * frame.h (frame_state): Revert last change.
7498 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
7499 * libgcc2.c (throw_helper): Revert last change.
7501 2000-03-22 Richard Henderson <rth@cygnus.com>
7503 * stmt.c (expand_asm_operands): Don't promote the temporary.
7505 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
7507 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
7508 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
7509 c_get_alias_set): Likewise.
7510 * c-decl.c (duplicate_decls): Likewise.
7511 * c-typeck.c (default_conversion,build_unary_op): Likewise.
7512 * calls.c (initialize_argument_information): Likewise.
7513 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
7515 * dwarfout.c (decl_class_context,output_type): Likewise.
7516 * expr.c (get_inner_reference): Likewise.
7517 * fold-const.c (simple_operand_p,fold): Likewise.
7518 * function.c (aggregate_value_p): Likewise.
7519 * stmt.c (expand_asm_operands): Likewise.
7520 * varasm.c (named_section): Likewise.
7522 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
7524 Implement dwarf2 exception handling for the ARM.
7525 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
7526 (DWARF_FRAME_RETURN_COLUMN): Define.
7527 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
7528 REG_FRAME_RELATED_EXPR note.
7529 (emit_sfm): Likewise.
7530 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
7531 * dwarf2out.c (reg_save): Handle saving a register to itself.
7532 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
7533 * except.c (eh_regs): Don't use the static chain reg if it's
7535 * frame.h (frame_state): Add cfa_saved field.
7536 * frame.c (execute_cfa_insn): Set it.
7537 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
7539 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
7541 (instantiate_virtual_regs): Adjust.
7543 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
7544 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
7545 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
7547 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
7548 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
7550 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7552 * builtins.def: New file.
7554 * Makefile.in (TREE_H): Depend on builtins.def.
7556 * builtins.c (built_in_names): Use builtins.def.
7558 * tree.h (built_in_function): Likewise.
7560 2000-03-22 Mark Mitchell <mark@codesourcery.com>
7562 * tree.c (size_in_bytes): Return size_zero_node, not
7565 2000-03-22 Geoff Keating <geoffk@cygnus.com>
7567 * config/fp-bit.c (pack_d): Correct the case when a denormal
7568 is rounded up and stops being denormal.
7570 2000-03-21 Richard Henderson <rth@cygnus.com>
7572 * config/alpha/alpha.c (function_arg): Check for void_type_node
7573 before using MUST_PASS_IN_STACK.
7575 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
7577 * regmove.c (combine_stack_adjustments_for_block): Check that
7578 the stack pointer is a valid memory address.
7580 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
7582 * calls.c: re-install Mar 16 emit_library_call merge.
7584 2000-03-21 Jakub Jelinek <jakub@redhat.com>
7586 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
7587 we cannot be sure that if reload_completed base register will
7588 be properly aligned.
7590 2000-03-21 Richard Henderson <rth@cygnus.com>
7592 * flow.c (delete_block): Fix typo last change.
7594 2000-03-21 Mark Mitchell <mark@codesourcery.com>
7596 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
7597 not COMPLETE_TYPE_P, to check the type of the expression.
7599 2000-03-21 Michael Meissner <meissner@redhat.com>
7601 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
7602 all floating point insns that just tested the macro
7603 TARGET_HAS_XFLOATING_LIBS.
7604 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
7605 used to only use the gprs.
7607 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
7609 * tree.h (COMPLETE_TYPE_P): New macro.
7610 (COMPLETE_OR_VOID_TYPE_P): New macro.
7611 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
7612 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
7613 * c-aux-info.c (gen_type): Use them.
7614 * c-common.c (c_expand_expr_stmt): Likewise.
7615 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
7616 grokdeclarator, grokparms, finish_struct, start_function,
7617 store_parm_decls, combine_parm_decls): Likewise.
7618 * c-parse.y (cast_expr): Likewise.
7619 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
7620 c_size_in_bytes, c_alignof, build_component_ref,
7621 build_indirect_ref, build_array_ref, convert_arguments,
7622 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
7623 * calls.c (initialize_argument_information): Likewise.
7624 * convert.c (convert_to_integer): Likewise.
7625 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
7626 * dwarfout.c (location_or_const_value_attribute,
7627 output_enumeration_type_die, output_structure_type_die,
7628 output_union_type_die, output_type): Likewise.
7629 * expr.c (safe_from_p, expand_expr): Likewise.
7630 * function.c (assign_parms): Likewise.
7631 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
7632 * tree.c (build_array_type, build_function_type,
7633 build_method_type, build_offset_type, build_complex_type): Likewise.
7634 * c-parse.c, c-parse.h: Regenerated.
7636 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7638 * config/c4x/rtems.h: Include config/rtems.h.
7640 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
7642 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
7643 decl is a FUNCTION_DECL
7645 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
7647 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
7648 function uses output registers. Don't save RP for leaf functions.
7649 Do save RP even if no epilogue.
7650 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
7651 (CALL_USED_REGISTERS): Unmark in registers.
7652 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
7655 2000-03-20 Geoff Keating <geoffk@cygnus.com>
7657 * config/rs6000/rs6000.md (bunordered): New expander.
7658 (bordered): New expander.
7659 (buneq): New expander.
7660 (bunge): New expander.
7661 (bungt): New expander.
7662 (bunle): New expander.
7663 (bunlt): New expander.
7664 (bltgt): New expander.
7666 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
7667 (ccr_bit_negated_p): New function.
7668 (print_operand): For %C, generate appropriate cror for UNEQ,
7669 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
7671 2000-03-20 Andreas Jaeger <aj@suse.de>
7673 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
7676 * tree.h (safe_for_unsave): Prototype.
7678 2000-03-20 Richard Henderson <rth@cygnus.com>
7680 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
7681 (combine_stack_adjustments_for_block): Don't allow sp references
7682 in the side of a set we're not fixing up.
7683 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
7684 after life_analysis.
7686 2000-03-20 Richard Henderson <rth@cygnus.com>
7688 * calls.c (expand_call): Don't bother generating tail call
7689 sequences if there are pending cleanups. Use
7690 expand_start_target_temps/expand_end_target_temps to elide
7691 cleanups created during sibcall expansion.
7693 2000-03-20 Geoff Keating <geoffk@cygnus.com>
7695 * configure.in: Set $IFS to a value if it doesn't already have one
7696 in the --enable-checking handling.
7697 * configure: Regenerate.
7699 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7701 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
7702 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
7705 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
7707 * jump.c (delete_noop_moves): Remove code attempting to
7708 combine stack adjustments.
7710 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7712 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
7713 * except.c (emit_cleanup_handler): Use them.
7714 (expand_end_all_catch): Likewise.
7715 * function.c (fixup_var_refs): Likewise.
7716 (expand_function_end): Clear catch_clauses_last.
7717 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
7718 * except.h (struct eh_status): New field x_catch_clauses_last.
7719 (catch_clauses_last): New define.
7721 * Makefile.in (tree.o): Depend on HASHTAB_H.
7722 * tree.c: Include hashtab.h.
7723 (struct type_hash): Remove next field.
7724 (TYPE_HASH_SIZE): Remove.
7725 (TYPE_HASH_INITIAL_SIZE): New define.
7726 (type_hash_table): Change type to htab_t.
7727 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
7728 mark_hash_entry): New functions.
7729 (init_obstacks): Allocate type hash.
7730 (type_hash_lookup): Use htab functions.
7731 (type_hash_add, mark_type_hash): Likewise.
7732 (dump_tree_statistics): Call print_type_hash_statistics.
7734 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7736 * rs6000/t-aix41: New file.
7738 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
7740 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
7742 * tm.texi (Driver): Fix typos and tweak entry for
7744 Move misplaced STRUCT_FORCE_BLK entry ...
7745 (Storage Layout): ... to here.
7746 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
7748 2000-03-19 Richard Henderson <rth@cygnus.com>
7750 * flow.c (delete_block): Delete the addr_vec along with the block.
7751 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
7754 * fold-const.c (extract_muldiv): Apply type check for defined
7755 overflow to multiply as well as divide.
7757 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
7759 2000-03-18 Mark Mitchell <mark@codesourcery.com>
7761 * emit-rtl.c (remove_unncessary_notes): Check that all
7762 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
7763 associated NOTE_BLOCK.
7764 * function.h (identify_blocks): Update comments.
7765 (reorder_blocks): Declare.
7766 * function.c (identify_blocks): Don't take paramters.
7767 (reorder_blocks): Don't take parameters.
7768 * loop.h (find_loop_tree_blocks): Remove.
7769 (unroll_block_trees): Likewise.
7770 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
7771 reorder_blocks instead of unroll_block_trees.h
7772 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
7773 * stmt.c (find_loop_tree_blocks): Remove.
7774 (unroll_block_trees): Likewise.
7775 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
7776 in whole-function mode.
7777 * tree.h (reorder_blocks): Remove declaration.
7779 * expr.c: Include intl.h.
7780 * Makefile.in (expr.o): Depend on intl.h.
7782 2000-03-18 Richard Henderson <rth@cygnus.com>
7784 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
7786 2000-03-18 Mark Mitchell <mark@codesourcery.com>
7788 * tree.h (tree_index): Remove enumerals for integer types.
7789 (integer_type_kind): New type.
7790 (integer_types): New variable.
7791 (char_type_node): Adjust.
7792 (signed_char_type_node): Likewise.
7793 (unsigned_char_type_node): Likewise.
7794 (short_integer_type_node): Likewise.
7795 (short_unsigned_type_node): Likewise.
7796 (integer_type_node): Likewise.
7797 (unsigned_type_node): Likewise.
7798 (long_integer_type_node): Likewise.
7799 (long_unsigned_type_node): Likewise.
7800 (long_long_integer_type_node): Likewise.
7801 (long_long_unsigned_type_node): Likewise.
7802 * tree.c (integer_types): New variable.
7803 (init_obstacks): Register it as a root.
7805 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
7807 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
7808 NEXT_INSN. Update last insn in chain.
7810 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
7812 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
7813 with TYPE_DECL_SUPPRESS_DEBUG set.
7815 2000-03-18 Richard Henderson <rth@cygnus.com>
7817 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
7819 2000-03-18 Richard Henderson <rth@cygnus.com>
7821 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
7822 care for HALF_PIC_P.
7823 (expander_call_insn_operand): Remove.
7824 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
7825 * i386.h (PREDICATE_CODES): Update.
7826 * i386.md (all call expanders): Remove predicates, remove special
7827 handling for half-pic.
7828 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
7829 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
7830 (sibcall_epilogue): New.
7832 2000-03-17 Richard Henderson <rth@cygnus.com>
7834 * rtlanal.c (single_set): Reject if the parallel has anything
7835 except SET or USE or CLOBBER.
7837 2000-03-17 Jeff Law <law@cygnus.com>
7838 Richard Henderson <rth@cygnus.com>
7840 * Makefile.in (OBJS): Add sibcall.o.
7842 * sibcall.c: New file.
7843 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
7844 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
7845 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
7846 Emit sibcall patterns when requested. Update all callers.
7847 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
7848 elimination seems feasable.
7849 * final.c (leaf_function_p): Sibling calls don't discount being
7851 * flow.c (HAVE_sibcall_epilogue): Provide default.
7852 (find_basic_blocks_1): Sibling calls don't throw.
7853 (make_edges): Make edge from sibling call to EXIT.
7854 (propagate_block): Don't remove sibcall_epilogue insns.
7855 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
7856 (sibcall_epilogue): New.
7857 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
7858 (identify_blocks_1): Likewise. Break out from ...
7859 (identify_blocks): ... here.
7860 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
7861 (reorder_blocks): ... here.
7862 (init_function_for_compilation): Zap prologue/epilogue as varrays.
7863 (record_insns): Extend a varray instead of mallocing new memory.
7864 (contains): Read a varray not array of ints.
7865 (sibcall_epilogue_contains): New.
7866 (thread_prologue_and_epilogue_insns): Emit and record
7867 sibcall_epilogue patterns.
7868 (init_function_once): Allocate prologue/epilogue varrays.
7869 * genflags.c (gen_insn): Treat sibcall patterns as calls.
7870 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
7872 (save_for_inline_nocopy): ... here.
7873 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
7875 (expand_inline_function): ... here.
7876 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
7877 (subst_constants): Handle 'n' formats.
7878 * jump.c (jump_optimize_minimal): New.
7879 (jump_optimize_1): New arg `minimal'; update callers. Elide most
7880 optimizations if it's set.
7881 * rtl.c (copy_rtx): Do copy jump & call for insns.
7882 * rtl.h (struct rtx_def): Document use of jump and call for insns.
7883 (SIBLING_CALL_P): New.
7884 (sibcall_use_t): New.
7885 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
7886 Invoke optimize_sibling_and_tail_recursive_calls.
7887 * tree.c (lang_safe_for_unsave): New.
7888 (safe_for_unsave): New.
7889 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
7891 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
7892 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
7893 (*sibcall_osf_1, *sibcall_value_osf_1): New.
7895 2000-03-17 Mark Mitchell <mark@codesourcery.com>
7897 * objc/objc-act.c (encode_method_prototype): Pass types, not
7898 PARM_DECLs, to int_size_in_bytes.
7900 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
7902 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
7904 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
7905 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
7907 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7909 * Clean up usages of TREE_INT_CST_LOW.
7910 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
7911 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
7913 * c-tree.h (min_precision): Move declaration to here.
7914 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
7915 (build_unary_op, add_pending_init): Use bit_position.
7916 (pending_init_member, process_init_element): Likewise.
7917 (really_start_incremental_init, push_init_level, pop_init_level):
7918 Don't make copies of nodes or modify them in place, use consistent
7919 types when tracking positions, and use tree routines computations.
7920 (set_init_index, output_init_element): Likewise.
7921 (output_pending_init_elements, process_init_element): Likewise.
7922 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
7923 tree_low_cst and int_bit_position; also minor cleanup.
7924 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
7925 (print_cst_octal): Precision is unsigned.
7926 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
7927 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
7928 (simple_type_align_in_bits): Result is unsigned int.
7929 Use tree_int_low_cst and host_integerp.
7930 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
7931 (field_byte_offset): Result is HOST_WIDE_INT.
7932 Change types of internal variables so alignments are unsigned int,
7933 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
7934 Use host_integerp, tree_low_cst, and int_bit_position.
7935 (add_bit_offset_attribute): Likewise.
7936 (add_data_member_location_attribute): Use tree_cst_low.
7937 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
7938 (add_bit_size_attribute): Use tree_low_cst.
7939 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
7940 * dwarfout.c: Similar changes to dwarf2out.c.
7941 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
7942 * genoutput.c (n_occurences): Return -1 for null string.
7943 (strip_whitespace): Accept null string and make into function.
7944 (scan_operands): Reflect above changes.
7945 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
7946 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
7947 * ssa.c (rename_registers): Add missing cast of arg to bzero.
7948 * tree.c (int_size_in_bytes): Check for too big to represent.
7949 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
7950 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
7952 (min_precision): Delete from here.
7953 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
7954 and int_bit_position.
7955 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
7956 (encode_method_def): Likewise.
7957 (build_ivar_list_initializer): Use int_bit_position.
7958 (generate_shared_structures): Convert size.
7959 (encode_type, encode_complete_bitfield): Use integer_zerop.
7960 (encode_bitfield): Use tree_low_cst and int_bit_position.
7962 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7964 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
7966 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7968 * call.c (special_function_p): It is only malloc if it returns
7971 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7973 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
7974 (C33_FLAG, TARGET_C3X): Add macros.
7975 (TARGET_SWITCHES): Add -m33 option.
7976 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
7978 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7980 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
7981 (PARALLEL_PACK_FLAG): Delete.
7982 (TARGET_SWITCHES): Update.
7983 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
7985 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7987 * fold-const.c (fold): Fix a few cases when the returned result
7988 is not of the same type as the input.
7990 2000-03-16 Nick Clifton <nickc@cygnus.com>
7992 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
7995 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7997 * libgcc2.h: Move prototypes above macros with the same name.
7998 Wrap some function prototypes in the conditional which indicates
7999 whether they are supported, i.e. "BITS_PER_UNIT == 8".
8001 2000-03-16 Richard Henderson <rth@cygnus.com>
8003 * calls.c: Revert last two changes.
8005 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
8007 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
8008 has exponent 0 is a zero.
8010 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
8011 HASH may already be nonzero. Add code/mode into hash value
8012 immediately after repeat label.
8013 (cselib_lookup): Don't leave the hash table in an inconsistent
8014 state before a hash lookup operation.
8016 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
8018 * i386.md (all HI and QI mode non-move patterns): Conditionize
8019 by TARGET_[HQ]IMODE_MATH.
8020 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
8021 x86_promote_qi_regs): Declare.
8022 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
8023 TARGET_PROMOTE_QI_REGS): New macros.
8024 (PROMOTE_MODE): New macro.
8025 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
8026 x86_promote_qi_regs): New global variables.
8028 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
8030 * calls.c (emit_library_call_value_1): Break out from ...; handle
8031 VOIDmode function calls too.
8032 (emit_library_call_value): ... here.
8033 (emit_library_call): Implement by calling emit_library_call_value_1.
8035 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
8037 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
8038 Update arg_space_so_far on stack adjustments.
8039 (emit_library_call, emit_library_call_value): Likewise; take into
8040 account arg_space_so_far and pending_stack_adjust when calculcating
8043 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
8045 * flow.c: Move all basic block reordering code into its own file.
8046 (create_basic_block): Externalize.
8047 * bb-reorder.c: New file. Copy all basic block reordering code from
8048 flow.c to this file.
8049 (reorder_basic_blocks): Fix fencepost error in for-loop.
8050 (reorder_basic_blocks): Remove braces from single statement for-loops.
8051 * basic-block.h: Add declaration for create_basic_block.
8052 * Makefile.in: Add rules for bb-reorder.o.
8054 2000-03-16 Neil Booth <NeilB@earthling.net>
8056 * cppinit.c (handle_option): Implement #unassert directive
8057 as -A- command line option.
8058 (print_help): Update.
8059 * cpptexi.c: Update.
8061 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
8063 * md.texi (Standard Names): Document `jump'.
8065 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
8067 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
8070 2000-03-15 Geoff Keating <geoffk@cygnus.com>
8072 Merge changes from newppc-branch onto trunk.
8074 2000-03-15 Geoff Keating <geoffk@cygnus.com>
8076 * rs6000.c (toc_hash_table): Update for new hash table functions.
8077 (toc_hash_function): Likewise.
8078 (toc_hash_eq): Likewise.
8079 (toc_hash_mark_entry): Likewise.
8080 (toc_hash_mark_table): Likewise.
8081 (output_toc): Likewise.
8082 (rs6000_add_gc_roots): Likewise.
8084 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8086 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
8087 (AR_FLAGS_FOR_TARGET): here. New macro.
8089 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
8091 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
8092 fpmem_operand) Delete.
8094 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
8095 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
8096 (rs6000_save_machine_status, rs6000_restore_machine_status,
8097 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
8098 references to above variables.
8099 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
8100 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
8101 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
8102 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
8103 (XER_REGNO_P, XER_REGNO): New.
8104 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
8105 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
8106 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
8108 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
8109 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
8110 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
8112 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8114 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
8115 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
8116 * rs6000.h: from here.
8118 * rs6000-protos.h (rs6000_select_section): Provide prototype.
8119 (rs6000_select_rtx_section): Likewise.
8120 (rs6000_encode_section_info): Likewise.
8121 (sdata_section): Likewise.
8122 (sdata2_section): Likewise.
8123 (sbss_section): Likewise.
8124 * sysv4.h (rs6000_select_section): Delete prototype.
8125 (rs6000_select_rtx_section): Likewise.
8126 (rs6000_encode_section_info): Likewise.
8127 (sdata_section): Likewise.
8128 (sdata2_section): Likewise.
8129 (sbss_section): Likewise.
8130 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
8132 * sysv4.h: Delete various unnecessary #undef's and put a comment
8133 on the remaining ones.
8134 Change various comments according to coding standard.
8136 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
8138 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
8139 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
8140 (CR0_REGNO_P) Remove.
8141 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
8142 setup_incoming_varargs, mtcrf_operation, print_operand,
8143 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
8144 Use the above macros.
8146 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
8148 * config/rs6000/rs6000.md: Added a new alternative for each
8149 pattern that had a 'x' alternative but no 'y' alternative.
8150 Added a new split for each of the above patterns.
8152 2000-02-18 Geoff Keating <geoffk@cygnus.com>
8154 * aix41.h (ASM_CPU_SPEC): Delete.
8155 (CPP_CPU_SPEC): Delete.
8157 * aix.h (RS6000_OUTPUT_BASENAME): Define.
8158 (ASM_OUTPUT_LABEL): Define.
8159 (ASM_GLOBALIZE_LABEL): Define.
8160 (STRIP_NAME_ENCODING): Define.
8161 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
8162 (STRIP_NAME_ENCODING): Don't define.
8163 (ASM_OUTPUT_LABEL): Don't define.
8164 (ASM_GLOBALIZE_LABEL): Don't define.
8165 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
8166 names, and ASM_OUTPUT_LABEL to output labels, rather than
8168 (ASM_OUTPUT_LABEL): Define.
8169 (ASM_OUTPUT_INT): Use assemble_name.
8170 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
8171 (STRIP_NAME_ENCODING): Don't undefine first.
8172 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
8174 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
8175 specified with 'asm' even with -fleading-underscore.
8176 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
8177 (output_epilog): Likewise.
8178 (output_toc): Likewise.
8179 * tramp.asm: Handle -fleading-underscore correctly.
8181 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
8183 (nonlocal_goto_receiver): Delete.
8184 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
8186 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
8187 (SET_ASM_OP): Define.
8188 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
8190 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
8193 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
8194 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
8196 * rs6000.h: Add 'u' to more constants.
8198 2000-02-18 David Edelsohn <edelsohn@gnu.org>
8200 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
8202 2000-02-15 David Edelsohn <edelsohn@gnu.org>
8204 * rs6000.c (reg_or_u_cint_operand): New function.
8205 (logical_operand): Handle 64-bit hosts.
8206 (logical_u_operand): New function.
8207 (non_logical_cint_operand): Handle 64-bit hosts.
8208 (non_logical_u_cint_operand): New function.
8209 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
8210 (PREDICATE_CODES): Define new functions.
8211 * rs6000-protos.h: Declare new functions.
8212 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
8213 (movdi_64): Bracket code intended for 64-bit hosts. Create
8214 CONST_DOUBLE for 32-bit values.
8215 (scc insns): Generate DImode compares.
8216 (mfcr insns): Create DImode versions.
8217 (sge matchers): New patterns.
8219 2000-02-15 Gabriel Paubert <paubert@iram.es>
8221 * rs6000.md: Correct instructions length attributes and
8222 constraints on unsigned compare instructions.
8223 (*ne0): Disable for PowerPC64.
8225 2000-02-11 Geoff Keating <geoffk@cygnus.com>
8227 * rs6000.c (output_function_profiler): Use .long for a 32-bit
8228 quantity, fix profile1.C test failure under -fPIC.
8230 * rs6000.c: Add 'u' to many constants to suppress warnings.
8231 (constant_pool_expr_1): Make static.
8232 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
8233 * rs6000.h: Add 'u' to many constants to suppress warnings.
8235 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
8236 for the start of the TOC, instead of LCTOC..0.
8237 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
8239 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
8240 (load_toc_aix_di): Use LCTOC..1.
8242 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
8243 * rs6000.c (rs6000_legitimize_address): New function from
8244 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
8245 symbols in the constant pool that really are TOC references.
8246 (print_operand_address): For ELF, write TOC offsets under
8247 -fPIC as subtractions in the insn.
8248 (output_toc): For ELF, define symbols in TOC as normal labels,
8250 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
8251 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
8252 (create_TOC_reference): Prototype only when RTX_CODE is defined.
8253 * rs6000.md (movsi): Only use create_TOC_reference on
8254 symbols in the constant pool that really are TOC references.
8256 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
8257 * rs6000.c (rs6000_reorg): Delete.
8258 * rs6000-protos.h (rs6000_reorg): Delete.
8260 2000-02-09 Geoff Keating <geoffk@cygnus.com>
8262 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
8264 * aix.h (SETUP_FRAME_ADDRESSES): Define.
8265 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
8266 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
8267 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
8268 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
8269 rs6000_aix_emit_builtin_unwind_init.
8270 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
8271 rs6000_emit_eh_toc_restore on AIX.
8272 (return_eh_si): Use r2.
8273 (return_eh_di): Use r2.
8275 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
8276 since we're breaking binary compatibility anyway.
8278 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
8280 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
8281 constant_pool_expr_p): Declare them.
8282 (constant_pool_expr_p): Declare it.
8283 * config/rs6000/rs6000.c (toc_label_name): Define.
8284 (rs6000_override_options): Set toc_label_name.
8285 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
8286 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
8287 uses_TOC): New functions.
8288 (print_operand): Delete old '*' case.
8289 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
8290 and strip off rtl for TOC before calling output_addr_const.
8291 (rs6000_emit_load_toc_table): Use toc_label_name.
8292 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
8294 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
8295 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
8296 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
8297 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
8298 into explicit TOC_REGISTER offsets.
8299 (TOC_REGISTER): New macro.
8300 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
8301 TARGET_TOC to reference TOC_REGISTER.
8302 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
8303 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
8304 uses_TOC before emitting label references.
8306 2000-02-05 Geoff Keating <geoffk@cygnus.com>
8308 * rs6000.md (stack_tie): Fix warning.
8310 * eabi-ctors.c: Use 'asm' names for the start/end variables,
8311 to handle -fleading-underscore.
8312 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
8313 (USER_LABEL_PREFIX): New macro.
8314 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
8315 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
8316 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
8317 call-linux can use the same multilibs.
8318 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
8319 and call-linux multilibs. Do multilib with -fleading-underscore.
8320 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
8321 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
8324 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
8325 have MASK_SOFT_FLOAT set.
8326 (CPP_FLOAT_DEFAULT_SPEC): New macro.
8327 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
8328 CPP_FLOAT_DEFAULT_SPEC.
8330 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
8331 * rs6000.md: Whitespace change.
8332 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
8333 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
8335 2000-02-05 Geoff Keating <geoffk@cygnus.com>
8337 * rs6000.md (eh_epilogue): New expander.
8338 (eh_reg_restore): New expand/split/insn combination.
8339 (return_eh_si): New insn.
8340 (return_eh_di): New insn.
8342 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
8343 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
8344 * eabi-ctors.c (__do_global_ctors): Register this object's
8345 frame. Clean up. Call atexit() after the constructors.
8346 (__do_global_dtors): Deregister this object's frame. Clean up.
8347 Allow for recursive calls to exit().
8348 * rs6000.c (fixuplabelno): New variable.
8349 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
8350 TARGET_RELOCATABLE, it slows down exec() under linux.
8351 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
8353 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
8354 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
8355 (ASM_OUTPUT_DWARF_DELTA2): New macro.
8356 (ASM_OUTPUT_DWARF_DELTA4): New macro.
8357 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
8358 (ASM_OUTPUT_DWARF_ADDR): New macro.
8359 (ASM_OUTPUT_DWARF_DATA4): New macro.
8360 (ASM_OUTPUT_DWARF_DATA2): New macro.
8361 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
8362 (ASM_OUTPUT_DWARF_OFFSET): New macro.
8363 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
8365 2000-02-03 Geoff Keating <geoffk@cygnus.com>
8367 * rs6000.c (rs6000_sr_alias_set): New variable.
8368 (rs6000_override_options): Initialise rs6000_sr_alias_set.
8369 (rs6000_emit_stack_tie): New function.
8370 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
8371 in a way that dwarf2out can understand.
8372 (rs6000_frame_related): New function.
8373 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
8374 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
8375 Use rs6000_emit_stack_tie when needed.
8376 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
8377 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
8378 * rs6000.md (stack_tie): New insn.
8379 (return_internal_si): Allow return value to be in the count
8381 (return_internal_di): Likewise.
8383 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
8385 2000-02-03 Geoff Keating <geoffk@cygnus.com>
8387 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
8389 2000-01-31 Geoff Keating <geoffk@cygnus.com>
8391 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
8393 * rs6000.md (stmw): Use the right POWER opcode.
8396 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8398 * rs6000-protos.h: New file.
8400 * rs6000.c: Include tm_p.h. Fix compile time warnings.
8402 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
8405 * sysv4.h: Likewise.
8407 2000-01-28 Geoff Keating <geoffk@cygnus.com>
8409 * ../../configure.in: Delete powerpcle-*-winnt*
8410 and powerpcle-*-pe|powerpcle-*-cygwin*.
8411 * ../../configure: Regenerated.
8413 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
8414 (TARGET_WINDOWS_NT): Delete.
8416 (CALL_NT_DLLIMPORT): Delete.
8417 Delete NT-specific code.
8418 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
8421 * nt-ci.asm: Delete.
8422 * nt-cn.asm: Delete.
8423 * ntstack.asm: Delete.
8425 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8427 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
8428 (ASM_FILE_START): Likewise.
8429 (ASM_DECLARE_FUNCTION_NAME): Likewise.
8430 (ASM_OUTPUT_LABELREF): Likewise.
8431 (ASM_OUTPUT_SKIP): Likewise.
8432 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
8433 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
8434 (ASM_OUTPUT_CASE_LABEL): Likewise.
8435 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
8436 (ASM_OUTPUT_ASCII): Likewise.
8438 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
8440 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
8441 reload_toc_labelno for non-prologue TOC reloads. Also, don't
8442 increment rs6000_pic_labelno here.
8443 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
8444 and increment rs6000_pic_labelno here.
8446 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
8448 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
8449 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
8450 allocation knows (reg) is dead before the insn.
8452 2000-01-21 Geoff Keating <geoffk@cygnus.com>
8454 * rs6000.md (movsi_to_cr): Correct typo in output template.
8456 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
8458 * rs6000.c (rs6000_pic_labelno): Always define.
8459 (rs6000_pic_func_labelno): Delete.
8460 (lmw_operation): Check for a zero base register,
8461 which doesn't mean what we want.
8462 (stmw_operation): New function.
8463 (print_operand): Define new 'l' modifier.
8464 (rs6000_stack_info): We must save all 64 bits of the registers
8465 if TARGET_POWERPC64.
8466 (rs6000_output_load_toc_table): Delete.
8467 (rs6000_emit_load_toc_table): New function.
8468 (rs6000_allocate_stack_space): Delete.
8469 (rs6000_emit_allocate_stack): New function.
8470 (rs6000_emit_prologue): New function.
8471 (output_prolog): Use rs6000_emit_prologue.
8472 (rs6000_emit_epilogue): Change a few variable names to be
8473 more accurate. Restore all 64 bits of the registers if
8474 TARGET_POWERPC64. Only restore the FP registers which were used
8475 if they are being saved/restored one-at-a-time.
8476 (output_mi_thunk): Delete inefficient code generation.
8477 (output_function_profiler): Don't use rs6000_output_load_toc_table.
8478 * rs6000.h: Declare rs6000_emit_load_toc_table,
8479 rs6000_allocate_stack_space, stmw_operation. Don't declare
8480 rs6000_output_load_toc_table.
8481 * rs6000.md (elf_high): Allow register 0, but discourage it
8483 (elf_low): Support loading into register 0.
8484 (load_toc_aix_si): New pattern.
8485 (load_toc_aix_di): New pattern.
8486 (load_toc_v4_pic_si): New pattern.
8487 (load_toc_v4_pic_di): New pattern.
8488 (load_toc_v4_PIC_1): New pattern.
8489 (load_toc_v4_PIC_1b): New pattern.
8490 (load_toc_v4_PIC_2): New pattern.
8491 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
8492 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
8493 (prologue): New expander.
8494 (movesi_from_cr): New pattern.
8495 (stmw): New pattern.
8496 (save_fpregs_si): New pattern.
8497 (save_fpregs_di): New pattern.
8499 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8501 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
8506 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8508 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
8510 (movsi_got_internal): Likewise.
8511 (movsi_got_internal+1): Likewise.
8512 (set_sp): 'unspec 7' does a SImode clobber.
8514 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8516 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
8517 allocate a stack temporary.
8518 (floatsidf2_internal): Likewise.
8519 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
8521 (floatunssidf2): Don't use the fpmem "register", just
8522 allocate a stack temporary.
8523 (floatunssidf2_internal): Likewise.
8524 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
8526 (floatsidf2_loadaddr): Delete.
8527 (floatsidf2_store1): Delete.
8528 (floatsidf2_store2): Delete.
8529 (floatsidf2_load): Delete.
8530 (fix_truncdfsi2): Don't use the fpmem "register", just
8531 allocate a stack temporary.
8532 (fix_truncdfsi2_internal_si): Delete.
8533 (fix_truncdfsi2_internal_di): Delete.
8534 (fix_truncdfsi2_internal): New insn.
8535 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
8536 (fix_truncdfsi2_store): Delete.
8537 (fix_truncdfsi2_load): Delete.
8538 (fctiwz): Produce gen_fctiwz.
8540 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
8542 * eabi.h (INVOKE__main): Define.
8543 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
8545 (rs6000_emit_prologue): Likewise.
8546 * rs6000.h (struct rs6000_stack): Don't keep track of whether
8547 this is the main program.
8549 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8551 * rs6000.c (rs6000_va_arg): Delete some unused variables.
8553 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8555 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
8556 goes after the argument.
8558 2000-01-12 Geoff Keating <geoffk@cygnus.com>
8560 * rs6000.md: Document 'unspec' values used.
8561 (epilogue): New expander.
8562 (movesi_to_cr_one): New expander.
8563 (movesi_to_cr and following): New pattern.
8565 (return_internal_si): New pattern.
8566 (return_internal_di): New pattern.
8567 (return_and_restore_fpregs_si): New pattern.
8568 (return_and_restore_fpregs_di): New pattern.
8569 * rs6000.h: Declare new functions.
8570 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
8571 rather than rs6000_calls_p.
8572 (rs6000_makes_calls): Delete.
8573 (lmw_operation): New function.
8574 (mtcrf_operation): New function.
8575 (rs6000_emit_epilogue): New function.
8576 (output_epilog): Call rs6000_emit_epilogue and final if
8577 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
8579 2000-01-12 Geoff Keating <geoffk@cygnus.com>
8581 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
8582 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
8583 * aix.h (SUBTARGET_SWITCHES): Document switches.
8584 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
8585 sched-prolog and sched-epilog the same. Document all the
8587 (TARGET_OPTIONS): No longer allow -mdebug-.
8589 2000-01-12 Geoff Keating <geoffk@cygnus.com>
8591 * rs6000.h (ASM_FILE_END): Move to aix.h.
8592 (EXTRA_SECTIONS): Move to aix.h.
8593 (READONLY_DATA_SECTION): Move to aix.h.
8594 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
8595 (SELECT_SECTION): Move to aix.h.
8596 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
8597 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
8598 (LINK_REGISTER_REGNUM): New definition.
8599 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
8600 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
8602 * sysv4.h: Delete the code between the inclusion of rs6000.h
8604 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
8605 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
8606 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
8607 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
8608 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
8609 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
8610 (fix_truncdfsi2_internal_di): New pattern.
8611 (fix_truncdfsi2_store): The second arg here is Pmode too.
8612 (fix_truncdfsi2_load): The second arg here is Pmode too.
8613 (tablejumpdi): Now that switch tables hold only SImode values,
8614 gcc needs to know how to add them to the pc which is DImode.
8615 * rs6000.c (rs6000_stack_info): Use symbolic name for
8616 LINK_REGISTER_REGNUM.
8617 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
8618 (output_toc): Delete unused variables s1 and s2.
8619 (output_ascii): Use fputs not fprintf on a variable string.
8621 2000-01-07 David Edelsohn <edelsohn@gnu.org>
8623 * rs6000.c (processor_target_table): Add power3 as alias for 630.
8624 * aix43.h: Revert Aug 2 change.
8625 (HAS_INIT_SECTION): Define, not visible yet.
8626 (LD_INIT_SWITCH): Define, not visible yet.
8627 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
8629 2000-01-04 Joel Sherrill (joel@OARcorp.com>
8631 * config/rs6000/rtems.h: Include config/rtems.h.
8633 2000-01-04 David Edelsohn <edelsohn@gnu.org>
8635 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
8636 (SLOW_UNALIGNED_ACCESS): Define.
8637 (CASE_VECTOR_MODE): Always use 32-bit offsets.
8638 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
8639 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
8640 (toc_section): Likewise and .toc pseudo-op.
8641 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
8643 (TEXT_SECTION_ASM_OP): Likewise.
8644 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
8647 1999-12-17 Jakub Jelinek <jakub@redhat.com>
8649 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
8650 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
8653 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8655 * rs6000.h: Move more stuff from here...
8657 * sysv4.h: Cleanup accordingly.
8658 * netware.h: Likewise
8660 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8662 * rs6000.h: Continue cleanup.
8665 * netware.h: Likewise.
8667 * sysv4.h: Likewise.
8668 * win-nt.h: Likewise.
8670 * rs6000.h (TARGET_SWITCHES): Add descriptions.
8671 (TARGET_OPTIONS): Likewise.
8673 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
8674 (SUBTARGET_OPTIONS): Likewise.
8676 * rs6000.md: Fix compile time warnings.
8678 2000-01-04 Geoff Keating <geoffk@cygnus.com>
8680 vxworks patches from the Cygnus tree originally by
8681 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
8682 <vmakarov@cygnus.com>.
8683 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
8684 (ENDFILE_SPEC): Likewise.
8685 (LIB_VXWORKS_SPEC): New macro.
8686 (STARTFILE_VXWORKS_SPEC): New macro.
8687 (ENDFILE_VXWORKS_SPEC): New macro.
8688 (LINK_START_VXWORKS_SPEC): New macro.
8689 (LINK_OS_VXWORKS_SPEC): New macro.
8690 (CPP_OS_VXWORKS_SPEC): New macro.
8691 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
8692 * vxppc.h: Rewrite to use proper configuration method.
8693 * vxppcle.h: New file.
8694 * ../../configure.in: Add powerpcle-wrs-vxworks*.
8695 * ../../configure: Rebuilt.
8697 2000-01-04 Geoff Keating <geoffk@cygnus.com>
8699 Lots of changes to rs6000.h, sysv4.h, aix.h,
8700 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
8701 with the aim that rs6000.h is the first header
8702 included and the others override it.
8705 * x-aix41-gld: Remove.
8707 * x-aix41: Remove target-specific switches, and don't specify
8708 -Wl,-bbigtoc as we don't need it any more.
8709 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
8710 Use t-aix43 for AIX 4.3 and above.
8711 * ../../configure: Regenerated.
8713 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
8714 options, that don't do anything yet.
8715 (MASK_SCHED_PROLOG): New macro.
8716 (MASK_SCHED_EPILOG): New macro.
8717 (TARGET_SCHED_PROLOG): New macro.
8718 (TARGET_SCHED_EPILOG): New macro.
8720 2000-01-04 Geoff Keating <geoffk@cygnus.com>
8722 * rs6000.c: Correct comment, the `minimal' TOCs are actually
8723 one per translation unit, not one per function.
8724 (output_toc): Also do duplicate constant elimination
8725 for per-translation-unit TOCs.
8727 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
8728 a comment explaining _exactly_ when this pattern gets used.
8729 (builtin_setjmp_receiver): New pattern for better clarity.
8730 (init_v4_pic): Move it into a section dealing with TOC registers.
8732 1999-12-30 Geoff Keating <geoffk@cygnus.com>
8734 * rs6000.c (toc_hash_table): New variable.
8735 (rs6000_hash_constant): New function.
8736 (toc_hash_function): New function.
8737 (toc_hash_eq): New function.
8738 (toc_hash_mark_entry): New function.
8739 (toc_hash_mark_table): New function.
8740 (output_toc): Don't output duplicate TOC entries in
8742 (rs6000_add_gc_roots): Add the hash table as a GC root.
8743 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
8744 where they clearly shouldn't be. This may need to be fixed
8745 later when there is a GNU ar for AIX.
8746 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
8747 Don't define BOOT_LDFLAGS as it is now not necessary.
8749 1999-12-29 Geoff Keating <geoffk@cygnus.com>
8751 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
8752 for va_list on AIX. Use unsigned_char_type_node rather than
8753 constructing our own version on svr4.
8755 1999-12-17 Geoff Keating <geoffk@cygnus.com>
8757 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
8758 since patently it's not.
8760 1999-12-08 Geoff Keating <geoffk@cygnus.com>
8762 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
8763 define_expand/define_insn pair, and handle restore of the
8764 SVR4 -fpic register.
8766 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
8768 * acconfig.h (HAVE_GAS_WEAK): New define.
8769 * configure.in (assembler weak support): Check for .weak support.
8770 * config.in, configure: Rebuilt.
8771 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
8772 HAVE_GAS_WEAK is defined.
8774 2000-03-15 Nick Clifton <nickc@cygnus.com>
8776 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
8779 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
8781 * cppfiles.c (open_include_file): New function.
8782 (find_include_file, cpp_read_file): Use it.
8784 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
8786 * cpphash.c (dump_hash_helper): Take the slot, not the element.
8788 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
8790 * flow.c (verify_flow_info): Check for unconditional return.
8792 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
8794 * config/ia64/ia64.md (restore_stack_nonlocal): New.
8795 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
8796 (__ia64_restore_stack_nonlocal): New.
8797 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
8799 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8801 * cpphash.c (collect_formal_parameters): Do not complain about
8802 parameter names that just start with `__VA_ARGS__'.
8804 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
8806 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
8807 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
8808 * i386.c (pentiumpro_cost): Set mul cost to 4.
8809 (x86_use_movx): Set for PPro.
8811 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
8813 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
8814 STACK_BOUNDARY for empty frames now.
8816 2000-03-14 Mark Mitchell <mark@codesourcery.com>
8818 * stor-layout.c (layout_union): Remove.
8819 (layout_union_field): New function, split out from layout_union.
8820 (finish_union_layout): Likewise.
8821 (layout_field): Handle unions by calling layout_union_field.
8822 (finish_record_layout): Handle unions.
8823 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
8824 QUAL_UNION_TYPE handling.
8826 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
8828 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
8829 end of basic block is jump_insn, not barrier; use create_basic_block
8830 instead of creating basic block by hand.
8832 2000-03-14 Jason Eckhardt <jle@cygnus.com>
8834 * flow.c (reorder_basic_blocks): Account for barriers when writing
8835 over NEXT_INSN (last_bb->end).
8836 (verify_flow_info): Add check for missing barriers.
8838 2000-03-14 Greg McGary <gkm@gnu.org>
8840 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
8841 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
8842 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
8843 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
8844 __unbounded, __unbounded__): New keywords.
8845 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
8846 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
8847 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
8849 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
8851 * cselib.h: New file.
8852 * alias.c: Include "cselib.h".
8853 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
8854 MEMs as two new arguments.
8855 (get_addr): New static function.
8856 (find_base_term): Handle VALUEs.
8857 (memrefs_conflict_p): Likewise.
8858 (true_dependence): Call get_addr on the addresses.
8859 Call fixed_scalar_and_varying_struct_p with addresses that have been
8860 passed through get_addr and canon_rtx.
8861 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
8862 with true_dependence.
8863 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
8864 * loop.c: Include "cselib.h".
8865 (load_mems): Process extended basic block that enters the loop with
8866 cselib. Use that information to change initialization of the shadow
8867 register so that a constant equivalence is seen by later passes.
8868 * reload1.c: Include "cselib.h".
8869 (reload_cse_invalidate_regno): Delete function.
8870 (reload_cse_mem_conflict_p): Likewise.
8871 (reload_cse_invalidate_mem): Likewise.
8872 (reload_cse_invalidate_rtx): Likewise.
8873 (reload_cse_regno_equal_p): Likewise.
8874 (reload_cse_check_clobber): Likewise.
8875 (reload_cse_record_set): Likewise.
8876 (reg_values): Delete static variable.
8877 (invalidate_regno_rtx): Likewise.
8878 (reload_cse_delete_noop_set): New static function.
8879 (reload_cse_simplify): New static function, broken out of
8881 (reload_cse_noop_set_p): Delete unused argument INSN.
8882 Just call rtx_equal_for_cselib_p on set source and destination.
8883 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
8884 reload_cse_delete_noop_set. Delete code to keep track of values; use
8885 cselib functions instead. Delete code to push/pop obstacks.
8886 (reload_cse_simplify_set): Use cselib to find equivalent values.
8887 Delete code to push/pop obstacks.
8888 (reload_cse_simplify_operands): Likewise.
8889 * rtl.def (VALUE): New rtx code.
8890 * rtl.h (union rtunion_def): New elt rt_cselib.
8891 (X0CSELIB, CSELIB_VAL_PTR): New macros.
8892 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
8893 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
8894 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
8895 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
8896 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
8897 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
8898 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
8899 cselib_record_set, cselib_record_sets): New static functions.
8900 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
8901 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
8902 references_value_p): New functions.
8903 (MAX_USELESS_VALUES, REG_VALUES): New macros.
8904 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
8905 n_useless_values, reg_values, callmem, cselib_obstack,
8906 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
8907 New static variables.
8908 * varray.h (union varray_data_tag): New elt te.
8909 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
8910 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
8913 2000-03-14 Nick Clifton <nickc@cygnus.com>
8915 * gcc.c (do_spec_1): Catch the case where %* is used in a
8916 substitution pattern, but it has not been initialised.
8917 Issue a meaningful error message if an unrecognised operator
8918 is encountered in a spec string.
8920 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
8922 * function.c (prepare_function_start): Correctly initialize
8923 cfun->stack_alignment_needed.
8925 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
8927 * cppfiles.c (find_include_file): Don't assume nshort is a
8930 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
8932 * configure.in (hppa configurations): Add pa32-regs.h to the
8933 list of tm files as appropriate.
8934 * configure: Rebuilt.
8935 * pa.c (compute_frame_size): Remove explicit knowledge about FP
8937 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
8938 (fmpyaddoperands, fmpysuboperands): Likewise.
8939 * pa.h: Remove various definitions which depend on knowing
8940 how registers are numbered.
8941 * pa32-regs.h: New file with PA32 register numbering specific
8944 2000-03-14 Richard Henderson <rth@cygnus.com>
8946 * regmove.c (combine_stack_adjustments): New.
8947 (stack_memref_p, single_set_for_csa): New.
8948 (free_csa_memlist, record_one_stack_memref): New.
8949 (try_apply_stack_adjustment): New.
8950 (combine_stack_adjustments_for_block): New.
8951 * rtl.h (combine_stack_adjustments): Declare.
8952 * toplev.c (rest_of_compilation): Call it.
8954 * i386.md: Revert 2000-01-16 change.
8956 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8958 * gccbug.in: Add web category, gcc specific classes.
8960 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
8962 * stor-layout.c (finalize_record_size): Fix typo.
8964 2000-03-14 Stan Shebs <shebs@apple.com>
8966 * c-typeck.c (c_alignof): Error on incomplete types.
8967 * extend.texi (Alignment): Document this.
8969 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
8971 * cppfiles.c: Include mkdeps.h.
8972 (find_include_file, read_include_file): Remove _cpp_ prefix
8973 from name, make static.
8974 (_cpp_execute_include): New function, broken out of
8977 * cpplib.c: Don't include mkdeps.h.
8978 (struct directive): Remove type field. Reorder entries. The
8979 function takes only one argument.
8980 (struct if_stack): Make type field an int.
8981 (directive_table): Rename to dtable. Generate it, the
8982 prototypes of the directive handlers, and the enum for the
8983 directive numbers, from a template macro.
8984 (do_ifndef, do_include_next, do_import): New functions.
8985 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
8986 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
8987 do_ident, do_assert, do_unassert, do_sccs): Take only one
8989 (do_sccs): Define always, but alter behavior based on
8991 (_cpp_handle_directive, consider_directive_while_skipping):
8992 Restructure for new directive table layout.
8994 (pass_thru_directive): Take a directive number, not a pointer
8995 to a struct directive.
8996 (parse_include): New function, broken out of do_include.
8997 (do_include, do_import, do_include_next): Use parse_include
8998 and _cpp_execute_include.
8999 (do_elif, do_else): Test for T_ELSE specifically when checking
9000 for #elif/#else after #else.
9001 (parse_ifdef): New function, broken out of do_ifdef.
9002 (validate_else): Expect a name arg without a leading #.
9003 (if_directive_name): Delete.
9004 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
9005 directive handlers with only one argument.
9007 * cpphash.h: Update prototypes.
9008 (enum node_type): Remove entries for directives.
9009 * Makefile.in: Update dependencies.
9011 * cpphash.c (dump_hash_helper): Only dump nodes of type
9012 T_MACRO. Emit a newline after each definition.
9014 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9016 * gccbug.in: New file.
9017 * configure.in (all_outputs): Add gccbug.
9018 * Makefile.in (install-common): Install gccbug.
9019 (GCCBUG_INSTALL_NAME): New variable.
9020 * configure: Rebuilt.
9022 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
9024 * function.c (put_var_into_stack): Use type_for_mode to calculate
9025 part_type. Use MEM_SET_IN_STRUCT_P.
9026 * expr.c (store_field): Handle CONCAT.
9027 (store_constructor): Use fields_length.
9028 * tree.c (fields_length): New fn.
9029 * tree.h: Declare it.
9031 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
9033 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
9034 (cpplex.o): New target.
9035 * po/POTFILES.in: Add cpplex.c.
9037 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
9038 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
9039 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
9040 skip_block_comment, skip_line_comment, skip_comment,
9041 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
9042 _cpp_parse_name, skip_string, parse_string,
9043 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
9044 _cpp_get_directive_token, find_position,
9045 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
9046 (maybe_macroexpand, _cpp_lex_token): New functions.
9048 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
9049 parse_goto_mark): Delete.
9050 (_cpp_handle_eof): New function.
9051 (_cpp_handle_directive): Rename from handle_directive.
9052 (_cpp_output_line_command): Rename from output_line_command.
9053 (do_if, do_elif): Call _cpp_parse_expr directly.
9054 * cppfiles.c (_cpp_read_include_file): Don't call
9055 init_input_buffer here.
9056 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
9057 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
9058 here; pop the token_buffer and skip the rest of the line here.
9059 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
9062 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
9064 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
9065 CPP_GOTO_MARK): New macros.
9066 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
9067 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
9068 _cpp_read_and_prescan, _cpp_init_input_buffer,
9069 _cpp_grow_token_buffer, _cpp_get_directive_token,
9070 _cpp_handle_directive, _cpp_handle_eof,
9071 _cpp_output_line_command): Prototype them here.
9072 * cpplib.h (enum cpp_token): Add CPP_MACRO.
9073 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
9074 quote_string, output_line_command): Remove.
9076 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
9078 * stmt.c (expand_end_case): RANGE may be signed, and when checking
9079 whether it is too large we must also verify that it isn't negative.
9081 2000-03-13 Jakub Jelinek <jakub@redhat.com>
9083 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
9084 (movsi_zero_liveg0): Remove.
9085 (movsf_insn_novis_liveg0): Remove.
9087 (negsi2_not_liveg0): Rename to negsi2.
9088 (one_cmplsi2): Remove.
9089 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
9090 (one_cmplsi2_liveg0): Remove.
9091 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
9092 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
9093 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
9094 (PREDICATE_CODES): Remove zero_operand.
9095 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
9096 TARGET_BROKEN_SAVERESTORE.
9097 (zero_operand): Remove.
9098 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
9099 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
9101 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
9102 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
9103 TARGET_BROKEN_SAVERESTORE): Remove.
9104 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
9106 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
9108 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
9111 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
9113 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
9115 * cpplib.c (do_pragma_implementation): Fix off-by-one error
9116 truncating a string. Don't assume tokens are nul terminated.
9117 Problem noted by Andreas Jaeger <aj@suse.de>
9119 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
9121 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
9122 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
9123 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
9125 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
9127 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
9128 STRUCTURE_SIZE_BOUNDARY.
9130 2000-03-13 Mark Mitchell <mark@codesourcery.com>
9132 * tree.h (record_layout_info_s): New structure.
9133 (record_layout_info): New type.
9134 (new_record_layout_info): New function.
9135 (layout_field): Likewise.
9136 (finish_record_layout): Likewise.
9137 * stor-layout.c (layout_record): Remove.
9138 (new_record_layout_info): New function.
9139 (layout_field): New function, broken out from layout_record.
9140 (finalize_record_size): Likewise.
9141 (compute_record_mode): Likewise.
9142 (finalize_type_size): New function, broken out from layout_type.
9143 (finish_record_layout): Likewise.
9144 (layout_type): Use them.
9146 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
9148 * cpphash.c: Don't include version.h.
9149 (special_symbol) [case T_VERSION]: Look for the string in
9150 hp->value.cpval; don't use version_string.
9151 * cppinit.c (initialize_builtins): Set hp->value.cpval for
9152 __VERSION__ to version_string.
9153 * Makefile.in (cpphash.o): Update deps.
9155 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
9157 Convert cpplib to use libiberty/hashtab.c.
9159 * cpplib.h (struct cpp_reader): Make hashtab and
9160 all_include_files of type 'struct htab *'. Delete HASHSIZE
9161 and ALL_INCLUDE_HASHSIZE macros.
9163 * cpphash.h: Update prototypes.
9164 (struct hashnode): Remove next, prev, and bucket_hdr members.
9165 Make length a size_t. Add hash member.
9166 (struct ihash): Remove next member. Add hash member. Make
9167 name a flexible array member.
9169 * cppfiles.c: Include hashtab.h.
9170 (include_hash): Delete.
9171 (IHASHSIZE): New macro.
9172 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
9173 (cpp_included): Do the hash lookup here.
9174 (_cpp_find_include_file): Rewrite.
9175 (cpp_read_file): Put the "fake" hash entry into the hash
9176 table. Honor the control_macro, if it turns out we've seen
9177 the file before. Don't push the buffer here.
9178 (_cpp_read_include_file): Push the buffer here.
9179 (OMODES): New macro. Use it whenever we call open(2).
9181 * cpphash.c: Include hashtab.h.
9182 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
9183 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
9184 _cpp_lookup_slot): New functions.
9185 (HASHSIZE): new macro.
9186 (hashf, _cpp_install, _cpp_delete_macro): Delete.
9187 (_cpp_lookup): Use hashtab.h routines.
9189 * cppinit.c: Include hashtab.h.
9190 (cpp_reader_init): Call _cpp_init_macro_hash and
9191 _cpp_init_include_hash. Don't allocate hashtab directly.
9192 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
9193 pfile->all_include_files.
9194 (initialize_builtins): Use _cpp_make_hashnode and
9195 htab_find_slot to add hash entries.
9196 (cpp_finish): Just call _cpp_dump_macro_hash.
9197 * cpplib.c: Include hashtab.h.
9198 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
9199 create hash entries.
9200 (do_pragma_poison, do_assert): Likewise.
9201 (do_include): Don't push the buffer here. Don't increment
9202 system_include_depth unless _cpp_read_include_file succeeds.
9203 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
9205 (do_pragma_implementation): Use alloca to create copy.
9207 * Makefile.in: Update dependencies.
9209 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9211 * cppinit.c (cl_directive_handler): More K&R fixing.
9213 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
9215 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
9217 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
9219 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9221 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
9222 Change from char[] to macros.
9224 2000-03-12 Neil Booth <NeilB@earthling.net>
9226 * cppinit.c (cpp_start_read): Update indirect function
9229 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
9231 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
9234 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
9235 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
9237 2000-03-11 Neil Booth <NeilB@earthling.net>
9239 * cppinit.c (struct pending option): Replace undef with a
9240 pointer to a directive handling routine.
9241 (struct cpp_pending): Replace separate assert_ and define_
9242 lists with one directive_ list.
9243 (new_pending_define): Rename new_pending_directive. Extra
9244 argument is the directive's handling routine.
9245 (handle_option): Update to use new_pending_directive.
9247 2000-03-11 Neil Booth <NeilB@earthling.net>
9249 * cppfiles.c (file_cleanup, _cpp_find_include_file,
9250 remap_filename, _cpp_read_include_file, actual_directory,
9251 hack_vms_include_specification): Replace bcopy(), index() etc
9252 calls. Add casts to some allocations. Make some variables
9253 pointers to const [unsigned] char.
9254 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
9255 collect_formal_parameters): Similarly.
9256 * cppinit.c (struct pending_option, append_include_chain,
9257 cpp_options_init, cpp_reader_init, initialize_standard_includes,
9258 cpp_start_read, new_pending_define, handle_option): Similarly.
9259 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
9260 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
9261 do_pragma_implementation, detect_if_not_defined,
9262 do_ifdef, skip_if_group, cpp_get_token, parse_string,
9263 do_assert, do_unassert): Similarly.
9264 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
9265 function prototypes.
9266 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
9268 2000-03-10 Richard Henderson <rth@cygnus.com>
9270 * builtins.c (expand_builtin_strlen): Revert last change.
9271 Use emit_insn_before if we're at the beginning of a sequence.
9273 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
9275 * builtins.c (expand_builtin_strlen): Make sure that we have something
9276 at the beginning of the sequence.
9278 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
9281 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
9283 2000-03-10 Richard Henderson <rth@cygnus.com>
9285 * except.c (can_throw): Use INTVAL on a CONST_INT.
9286 (reachable_handlers): Likewise.
9287 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
9289 2000-03-10 Andreas Jaeger <aj@suse.de>
9291 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
9292 MD_STARTFILE_PREFIX since those are not needed on linux.
9293 (ASM_FILE_START): New, from mips/gnu.h.
9295 2000-03-09 Richard Henderson <rth@cygnus.com>
9296 Alex Samuel <samuel@codesourcery.com> and others
9298 * Makefile.in (ssa.o): New rule.
9300 (STAGESTUFF): Add *.ssa and *.ussa.
9301 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
9302 * rtl.def (PHI): New RTL expression.
9303 * rtl.h (clear_log_links): New declaration.
9304 (convert_to_ssa): Likewise.
9305 (convert_from_ssa): Likewise.
9306 * flow.c (split_edge): If the entry node falls through to the
9307 split edge's source block, split the entry edge.
9308 (clear_log_links): New function.
9309 * toplev.c (ssa_dump): New variable.
9310 (flag_ssa): Likewise.
9311 (f_options): Add "ssa".
9312 (compile_file): Create SSA dump files.
9313 (rest_of_compilation): Go to and from SSA if enabled.
9314 (decide_d_option): Handle -de for SSA dump files.
9317 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
9319 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
9322 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
9324 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
9326 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
9328 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
9329 (MD_STARTFILE_PREFIX_1): New macro.
9331 2000-03-09 Robert Lipe <robertl@sco.com>
9333 * config/ia64/ia64.c: Include system.h.
9335 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
9337 * except.c (nothrow_function_p): If -fno-exceptions, just return.
9338 (init_eh_nesting_info): Likewise.
9340 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
9341 (TREE_NOTHROW): Rename from TREE_RAISES.
9342 * toplev.c (rest_of_compilation): Set it.
9343 * print-tree.c (print_node): Adjust.
9344 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
9345 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
9346 * calls.c (emit_call_1): Add 'nothrow' parm. Add
9347 REG_EH_REGION note as appropriate.
9348 (libfunc_nothrow): New fn.
9349 (emit_library_call, emit_library_call_value): Use it.
9350 (expand_call): Check TREE_NOTHROW.
9352 * varasm.c (make_decl_rtl): Skip initial '*' when setting
9353 DECL_ASSEMBLER_NAME.
9355 2000-03-09 Andreas Jaeger <aj@suse.de>
9357 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
9358 (TARGET_MEM_FUNCTIONS): Define.
9360 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
9362 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
9364 * except.c (can_throw): See through a SEQUENCE.
9365 (nothrow_function_p): New fn.
9366 * except.h: Declare it.
9367 * function.c (current_function_nothrow): New var.
9368 (prepare_function_start): Initialize it.
9369 * output.h: Declare it.
9370 * toplev.c (rest_of_compilation): Set it.
9371 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
9373 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
9375 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
9376 match. (cpp_compare_defs): Count the nul separator when
9377 advancing over argument names.
9379 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
9381 * recog.c (preprocess_constraints): Matching constraints affect
9382 same alternative/different operand, not same operand/different
9385 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
9386 register and a constant specially.
9388 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9390 * libgcc2.h: New file.
9391 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
9393 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
9395 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
9396 * configure: Regenerate.
9399 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
9401 * Makefile.in (LIBCPP_DEPS): New macro.
9402 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
9404 * cpperror.c: Include cpphash.h.
9405 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
9407 (lex): Don't use CPP_WARN_UNDEF.
9408 (_cpp_parse_expr): Return an int, the truth value.
9409 * cppfiles.c: Include cpphash.h.
9410 (_cpp_merge_include_chains): Move to cppinit.c and make static.
9411 * cppinit.c (include_defaults_array): Disentangle.
9412 (cpp_cleanup): Don't free the if stack here.
9413 (cpp_finish): Pop off all buffers, not just one.
9414 * cpplib.c (eval_if_expr): Return int.
9415 (do_xifdef): Rename do_ifdef.
9416 (handle_directive): Don't use CPP_PREPROCESSED.
9417 (cpp_get_token): Don't use CPP_C89.
9418 * fix-header.c: Don't use CPP_OPTIONS.
9420 * cpplib.h: Move U_CHAR, enum node_type, struct
9421 file_name_list, struct ihash, is_idchar, is_idstart,
9422 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
9423 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
9424 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
9425 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
9426 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
9427 of _cpp_simplify_pathname, _cpp_find_include_file,
9428 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
9429 Move struct if_stack to cpplib.c. Move struct cpp_pending to
9431 Change all uses of U_CHAR to be unsigned char instead.
9432 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
9434 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
9436 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
9437 (dwarf2out_begin_prologue): Set it.
9438 (output_call_frame_info): Don't emit EH unwind info for leaves.
9440 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
9441 can occur outside of an EH region.
9442 * except.c: Correct comments about rethrow behavior.
9443 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
9445 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
9447 * flow.c (make_edges): Always call make_eh_edge for calls.
9449 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
9451 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
9452 (struct cpp_buffer): Remove fname and underflow fields.
9453 (struct cpp_reader): Remove get_token field.
9454 (struct include_hash): Rename to struct ihash. Add typedef to
9456 (struct if_stack): Remove fname field.
9457 (IF_STACK_FRAME): Rename to IF_STACK.
9459 * cpperror.c (print_containing_files): Trust that there are no
9460 macro buffers below the top file buffer.
9461 * cppfiles.c: Replace all references to 'struct include_hash'
9462 with 'IHASH'. Rename initialize_input_buffer to
9463 init_input_buffer. Don't set or reference cpp_buffer->fname,
9464 use buffer->ihash->name instead.
9465 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
9466 not CPP_NULL_BUFFER.
9467 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
9468 IF_STACK_FRAME, IHASH not struct include_hash.
9469 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
9470 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
9471 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
9472 references to cpp_buffer->fname (delete entirely, or use
9473 ->ihash->name instead) and IF_STACK->fname.
9474 (cpp_push_buffer): Don't set new->underflow.
9475 (do_include): Use cpp_file_buffer.
9477 * cpphash.c (collect_formal_parameters): Remove duplicate
9478 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
9479 used as a macro argument name. Don't append "..." to namebuf
9480 for varargs macros. After we're done scanning, go through
9481 namebuf and make it NUL separated, not comma separated.
9482 (_cpp_compare_defs): Remove register tag from variables.
9483 Expect defn->argnames to be NUL separated.
9484 (_cpp_dump_definition): Expect defn->argnames to be NUL
9485 separated and in forward order.
9486 * cpphash.h: Update documentation of argnames field.
9488 2000-03-08 Richard Henderson <rth@cygnus.com>
9490 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
9491 to fail. Don't pre-expand the source operand.
9493 * i386.md (strlensi): Initialize eoschar and align before use.
9495 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
9497 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
9498 CONSTRUCTOR element.
9500 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
9502 * mips.c (mips_expand_prologue): If the last
9503 named argument is the vararg marker "va_list", treat it as
9504 an unnamed argument.
9506 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
9508 * dbxout.c (dbxout_parms): When correcting for promoted
9509 big-endian parameters, use the mode of the DECL_RTL rather
9510 than UNITS_PER_WORD.
9512 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
9514 * c-common.h (make_fname_decl): Declare.
9515 * c-common.c (make_fname_decl): Define.
9516 (declare_hidden_char_array): Remove.
9517 (declare_function_name): Use make_fname_decl.
9518 * c-decl.c (c_make_fname_decl): New function.
9519 (init_decl_processing): Set make_fname_decl.
9521 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
9523 * cccp.c (handle_directive): Initialize backslash_newlines_p.
9525 2000-03-07 Philipp Thomas <pthomas@suse.de>
9527 * po/POTFILES.in: Remove cppalloc.c from file list.
9529 2000-03-07 Steve Chamberlain <sac@pobox.com>
9531 * pj.c (pj_expand_prologue): current_function->args_info is
9532 now current_function_args_info.
9534 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
9535 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
9536 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
9538 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9540 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
9541 output as hexadecimal rather than the default octal.
9543 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
9545 * cpphash.c (special_symbol): Fix thinko in previous commit.
9547 2000-03-07 Neil Booth <NeilB@earthling.net>
9549 * cppexp.c (struct operation, left_shift, right_shift,
9550 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
9551 "int"s to "unsigned int"s.
9552 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
9554 * cpplib.h: Update for above.
9555 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
9556 returned from allocations.
9558 * cppinit.c (opt_comp, parse_options): New functions.
9559 (handle_option): Use parse_option to parse a single command
9560 line option, that possibly takes an argument.
9561 (cpp_handle_options): Sort the array of command line options on
9562 first invocation (non-ASCII hosts only).
9563 (print_help): Update.
9565 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
9567 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
9568 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
9570 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
9572 * cppinit.c (cpp_cleanup): Free imp->nshort also.
9574 * cpperror.c (cpp_print_containing_files,
9575 cpp_print_file_and_line, v_cpp_message): Rename to
9576 print_containing_files, print_file_and_line, and v_message.
9577 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
9578 to _cpp_parse_expr, parse_escape, and lex.
9579 (parse_charconst): Remove broken multibyte support.
9580 * cppfiles.c (include_hash): Make static.
9581 (cpp_included): New function.
9582 (merge_include_chains, find_include_file, finclude,
9583 simplify_pathname): Rename to _cpp_merge_include_chains,
9584 _cpp_find_include_file, _cpp_read_include_file, and
9585 _cpp_simplify_pathname.
9586 * cpphash.c (cpp_lookup, free_definition, delete_macro,
9587 cpp_install, create_definition, macroexpand, compare_defs,
9588 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
9589 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
9590 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
9591 * cppinit.c (cpp_handle_option): Rename to handle_option, make
9593 * cpplib.c: Remove extern prototype of cpp_parse_expr.
9595 * cpphash.h: Update prototypes.
9596 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
9598 2000-03-07 Andrew Haley <aph@cygnus.com>
9600 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
9601 PTRDIFF_TYPE should be based solely on Pmode.
9604 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9606 * rtl.h (rtunion_def): Constify member `rtstr'.
9607 (emit_line_note_after, emit_line_note, emit_line_note_force,
9608 emit_note, decode_asm_operands): Constify.
9610 * cse.c (canon_hash): Likewise.
9612 * dbxout.c (dbxout_block): Likewise.
9614 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
9615 v_warning_for_asm): Likewise.
9617 * dwarfout.c (function_start_label): Likewise.
9619 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
9620 emit_line_note_force): Likewise.
9622 * final.c (last_filename, asm_insn_count, final_scan_insn,
9623 output_source_line): Likewise.
9625 * function.h (struct emit_status): Likewise.
9627 * gcse.c (hash_expr_1): Likewise.
9629 * genattr.c (gen_attr, main): Likewise.
9631 * genattrtab.c (struct function_unit, current_alternative_string,
9632 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
9633 attr_numeral, check_attr_test, check_attr_value,
9634 convert_set_attr_alternative, convert_set_attr,
9635 compute_alternative_mask, simplify_by_exploding, gen_attr,
9636 gen_unit): Likewise.
9638 * genflags.c (gen_insn): Likewise.
9640 * gengenrtl.c (type_from_format): Likewise.
9642 * genopinit.c (gen_insn): Likewise.
9644 * genoutput.c (n_occurrences, process_template, process_template):
9647 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
9650 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
9653 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
9654 ggc_set_mark, ggc_get_size): Likewise.
9656 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
9658 * optabs.c (init_one_libfunc): Likewise.
9660 * output.h (assemble_start_function): Likewise.
9662 * recog.c (decode_asm_operands): Likewise.
9664 * toplev.c (rest_of_compilation): Likewise.
9666 * tree.h (emit_line_note_after, emit_line_note,
9667 emit_line_note_force): Likewise.
9669 * varasm.c (asm_output_bss, asm_output_aligned_bss,
9670 asm_emit_uninitialised, assemble_start_function,
9671 assemble_variable, const_hash, compare_constant_1,
9672 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
9674 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
9676 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
9678 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
9680 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
9682 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
9683 arm_dllimport_name_p): Likewise.
9685 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
9688 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
9690 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9692 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
9693 arm_mark_dllexport, arm_mark_dllimport,
9694 arm_pe_encode_section_info): Likewise.
9696 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
9697 ASM_FINISH_DECLARE_OBJECT): Likewise.
9699 * arm/thumb.c (thumb_function_prologue): Likewise.
9701 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
9703 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9705 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
9707 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
9709 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
9711 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9713 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
9714 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
9716 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
9718 * i386/i386.c (asm_output_function_prefix): Likewise.
9720 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
9722 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9724 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
9726 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
9727 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
9728 ASM_OUTPUT_SECTION_NAME): Likewise.
9730 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
9732 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
9734 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
9736 * m32r/m32r.c (m32r_encode_section_info): Likewise.
9738 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9740 * mcore/mcore.c (mcore_encode_section_info): Likewise.
9742 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9744 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9746 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9748 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
9750 * mips/mips.md (movdi, movsi): Likewise.
9752 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9754 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9756 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9758 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
9759 ASM_OUTPUT_ASCII): Likewise.
9761 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
9762 output_mi_thunk, output_toc): Likewise.
9764 * rs6000/rs6000.md (movsi): Likewise.
9766 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
9768 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
9770 * v850/v850.c (print_operand, print_operand_address,
9771 v850_encode_data_area): Likewise.
9773 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
9775 * config/mips/mips.md (zero_extendsidi2): Always force operand
9776 one to memory for mips16.
9778 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9780 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
9781 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
9782 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
9783 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
9784 (min_precision): Result is unsigned.
9785 (add_double, neg_double, mul_double): Low word is unsigned.
9786 (lshift_double, rshift_double, lrotate_double): Likewise.
9787 (rrotate_double, div_and_round_double): Likewise.
9788 (tree_floor_log2, compare_tree_int): New functions.
9789 (preserve_rtl_expr_temps): New declaration.
9790 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
9791 (decl_attributes): Use tree_log2 to find alignment.
9792 Check for TREE_INT_CST_HIGH for format args.
9793 (min_precision): Now unsigned.
9794 Use tree_floor_log2.
9795 (truthvalue_conversion): Delete long-disabled code.
9796 * c-decl.c (finish_struct): Clean up tests on field width.
9797 (finish_function): Use compare_tree_int.
9798 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
9799 * c-typeck.c (comptypes): Use tree_int_cst_equal.
9800 (default_conversion, digest_init): Use compare_tree_int.
9801 (build_binary_op): Use integer_all_onesp and compare_tree_int.
9802 Fix type errors in forming masks.
9803 * calls.c (initialize_argument_information): Use compare_tree_int.
9804 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
9805 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
9806 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
9807 (store_field): Use compare_tree_int.
9808 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
9809 (expand_expr, case ARRAY_REF): Use compare_tree_int.
9810 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
9811 (do_store_flag): Use compare_tree_int.
9812 * fold-const.c (encode, decode): Low part is always unsigned.
9813 (force_fit_type, add_double, neg_double, mul_double): Likewise.
9814 (lshift_double, rshift_double, lrotate_double): Likewise.
9815 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
9816 (fold_convert): Use compare_tree_int.
9817 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
9818 (invert_truthvalue, case INTEGER_CST): Likewise.
9819 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
9820 * mkdeps.c (deps_dummy_targets): Make I unsigned.
9821 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
9822 (lshift_double, rshift_double, lrotate_double, rrotate_double):
9824 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
9825 (expand_end_case): Use compare_tree_int.
9826 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
9827 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
9828 (layout_decl): Likewise.
9829 (layout_record, layout_union): Make sizes unsigned.
9830 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
9831 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
9832 * tree.c (struct type_hash): hashcode is unsigned.
9833 (build_type_attribute_variant, type_hash_list): Likewise.
9834 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
9835 (attribute_hash_list, build_array_type, build_method_type): Likewise.
9836 (build_complex_type): Likewise.
9837 (real_value_from_int_cst): Remove unneeded casts.
9838 (integer_all_onesp): Add casts.
9839 (tree_floor_log2, compare_tree_int): New functions.
9840 (build_index_type): Use tree_int_cst_sgn.
9841 * varasm.c (assemble_variable): Use compare_tree_int.
9843 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
9845 * cpphash.c (collect_expansion): Also catch ## at start of macro.
9847 * varasm.c (make_decl_rtl): Don't add a number to members of
9849 (make_function_rtl): Likewise.
9851 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9853 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
9854 patch from 2000-01-28.
9856 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
9858 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
9859 filled with an insn from the jump target.
9861 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9863 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
9864 (c4x_external_ref): Likewise.
9865 * config/c4x/c4x.c (struct name_list): Likewise.
9867 1999-12-16 Ben Collins <bcollins@debian.org>
9869 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
9870 argument to genmultilib.
9871 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
9872 the contents into the multilib.h header.
9873 * gcc.c: Declare multilib_exclusions for the specs file.
9874 (set_multilib_dir): Use it.
9875 (print_multilib_info): Likewise.
9876 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
9877 to pass to genmultilib.
9879 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9881 * builtins.c (built_in_class_names, built_in_names): Constify a
9884 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
9886 (_mcleanup): Ensure value matches format specifier in sprintf.
9888 * cpphash.c (special_symbol): Don't needlessly cast away
9891 * cppinit.c (base_name): Delete unused prototype.
9893 * mkdeps.c (deps_init): Make definition K&R safe.
9895 * tree.h (built_in_class_names, built_in_names): Constify a
9898 2000-03-06 Jakub Jelinek <jakub@redhat.com>
9900 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
9901 floating point instructions for epilogue delay.
9903 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
9904 to gas if it supports .register pseudo.
9906 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
9907 LONG_DOUBLE_TYPE_SIZE if not defined.
9908 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
9909 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
9911 * gengenrtl.c: Likewise.
9912 * print-rtl.c: Likewise.
9914 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
9915 MASK_LONG_DOUBLE_128.
9916 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
9917 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
9918 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
9919 (SUBTARGET_SWITCHES): Define.
9920 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
9921 with -mlong-double-128.
9922 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
9923 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
9924 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
9925 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
9926 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
9927 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
9928 with -mlong-double-128.
9929 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
9930 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
9931 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
9932 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
9933 TARGET_LONG_DOUBLE_128): Define.
9934 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
9935 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
9936 long double on TARGET_ARCH64.
9938 2000-03-06 Mark Mitchell <mark@codesourcery.com>
9940 * function.c (free_temps_for_rtl_expr): Don't free slots
9941 that have been pushed into a higher level.
9944 2000-03-05 Mark Mitchell <mark@codesourcery.com>
9946 2000-03-05 Mark Mitchell <mark@codesourcery.com>
9948 * basic-block.h (ALLOCA_REG_SET): Remove.
9949 (INITIALIZE_REG_SET): New macro.
9950 * flow.c (update_life_info): Use it.
9951 (calculate_global_regs_live): Likewise.
9952 (propagate_block): Likewise.
9953 * global.c (build_insn_chain): Likewise.
9954 * haifa-sched.c (schedule_region): Likewise.
9956 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
9958 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
9959 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
9960 (DWARF_ARANGES_PAD_SIZE): New define.
9961 (output_aranges): Use it to pad the address range header.
9962 (DWARF_ROUND): Fix for non power of 2 rounding.
9964 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
9966 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
9968 2000-03-05 Mark Mitchell <mark@codesourcery.com>
9970 * tree.def (RTL_EXPR): Update documentation.
9971 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
9972 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
9973 * function.c (preserve_rtl_expr_temp): New function.
9974 (preserve_rtl_expr_temps): Likewise.
9975 (preserve_rtl_expr_result): Use it.
9978 2000-03-04 Mark Mitchell <mark@codesourcery.com>
9980 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
9982 * regmove.c (copy_src_to_dest) Do not create src->dest move
9983 for unchanging destination.
9985 2000-03-04 Mark Mitchell <mark@codesourcery.com>
9987 * function.h (struct sequence_stack): Remove rtl_expr.
9988 (struct emit_staus): Likewise.
9989 (seq_rtl_expr): Remove.
9990 * tree.h (free_temps_for_rtl_expr): Don't declare.
9991 (start_sequence_for_rtl_expr): Likewise.
9992 * rtl.h (preserve_rtl_expr_result): Likewise.
9993 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
9994 (start_sequence_for_rtl_expr): Remove.
9995 (push_topmost_sequence): Don't save sequence_rtl_expr.
9996 (pop_topmost_sequence): Remove comment about not restoring it.
9997 (end_sequence): Don't set seq_rtl_expr.
9998 (init_emit): Don't initialize it.
9999 (mark_sequence_stack): Don't mark it.
10000 (mark_emit_status): Likewise.
10001 * except.c (protect_with_terminate): Use
10002 start_sequence_for_rtl_expr, not start_sequence.
10003 * expr.c (expand_expr, case RTL_EXPR): Don't call
10004 preserve_rtl_expr_result or free_temps_for_rtl_expr.
10005 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
10006 (preserve_rtl_expr_result): Remove.
10007 (free_temps_for_rtl_expr): Likewise.
10008 (pop_temp_slots): Likewise.
10009 (mark_temp_slot): Don't mark the rtl_expr.
10010 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
10011 start_sequence_for_rtl_expr.
10013 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
10015 * mkdeps.c, mkdeps.h: New files.
10016 * po/POTFILES.in: Add them.
10017 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
10018 (cpplib.o, cppinit.o): Depend on mkdeps.h.
10019 (mkdeps.o): New target.
10021 * cppfiles.c: Delete deps_output.
10022 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
10023 OBJECT_SUFFIX, and base_name.
10024 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
10026 (initialize_dependency_output): Use deps_init,
10027 deps_add_target, deps_calc_target, and deps_add_dep. Remove
10028 all the unnecessary string bashing.
10029 (cpp_finish): Use deps_write. Remove an unnecessary nesting
10031 * cpplib.c (do_include): Use deps_add_dep.
10032 * cpplib.h (struct cpp_reader): Replace deps_buffer,
10033 deps_allocated_size, deps_size, deps_column members with
10034 single pointer to a struct deps. Delete prototype of
10037 * cppinit.c: Fix thinko in previous patch.
10039 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10041 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
10042 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
10043 (mode_for_size_tree): New function.
10044 (layout_decl, layout_type): Call it and clean up BLKmode checks.
10045 * tree.h (mode_for_size_tree): New declaration.
10047 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
10049 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
10051 * stmt.c (is_body_block): Move...
10052 * dwarfout.c, dwarf2out.c: ...from here.
10053 * tree.h: Declare it.
10054 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
10055 * final.c (final_start_function): Do call remove_unnecessary_notes
10058 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
10060 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
10062 * cpplib.h (_dollar_ok): New macro.
10063 (is_idchar, is_idstart): Use it.
10064 (IStable): Rename to _cpp_IStable. Declare it const if
10065 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
10066 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
10067 is_space): Update for renamed IStable.
10069 * cppinit.c: Delete all references to FAKE_CONST and CAT
10070 macros. Define init_IStable as empty macro if gcc >=2.7 or
10071 C99. Change TABLE() to ISTABLE and hardcode name of table.
10072 (cpp_start_read): Don't change the IStable based on
10075 * cpphash.c (unsafe_chars): Add pfile argument. All callers
10076 changed. Handle '$' for char1 correctly.
10077 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
10079 * cppexp.c (tokentab2): Make const.
10080 (cpp_lex): Make toktab const.
10081 * cppinit.c (include_defaults_array): Make const.
10082 (initialize_standard_includes): Make default_include const.
10084 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
10086 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
10087 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
10088 (gen_decl_die): Likewise.
10089 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
10090 (output_decl): Likewise.
10092 * varasm.c (make_function_rtl): If we change the name used in the
10093 rtl, update DECL_ASSEMBLER_NAME accordingly.
10094 (make_decl_rtl): Likewise.
10096 * toplev.c (rest_of_compilation): Tweak formatting.
10098 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
10099 remove_unnecessary_notes.
10100 (debug_ignore_block): New fn.
10101 * toplev.h: Declare it.
10102 * emit-rtl.c (remove_unncessary_notes): Call it.
10103 * dwarf2out.c (dwarf2out_ignore_block): New fn.
10104 * dwarf2out.h: Declare it.
10105 * final.c (final_start_function): Don't call remove_unnecessary_notes
10106 if we did insn scheduling.
10108 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
10110 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
10111 * cpplib.h: Delete SET_CPP_PEDANTIC.
10113 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10115 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
10116 result is a RECORD_TYPE.
10118 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
10120 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
10122 2000-03-03 Richard Henderson <rth@cygnus.com>
10124 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
10125 addition over compliments over shifts.
10127 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10129 * reload1.c (reload_combine_note_use): Handle return register USEs.
10130 REG case: Handle multi-hard-register hard regs.
10132 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10134 * md.texi: Document use of '*' in insn pattern name.
10136 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
10138 * calls.c (special_function_p): operator new may not be malloc-like.
10140 * gcse.c (dump_hash_table): Really fix error in last change.
10142 2000-03-02 Denis Chertykov <denisc@overta.ru>
10144 * avr.c (print_operand): Use print_operand_address instead of
10146 * avr/libgcc.S: Cleanup code.
10148 2000-03-02 Richard Henderson <rth@cygnus.com>
10150 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
10152 2000-03-02 Mark Mitchell <mark@codesourcery.com>
10154 * tree.h (TYPE_ALIGN_UNIT): New macro.
10156 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
10158 * i386.c: (constant_call_address_operand): Reject CONST_INT.
10160 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
10162 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
10164 (SET_CPP_PEDANTIC): New macro.
10165 * cpplib.c (do_include): Don't bother checking system_header_p.
10166 (do_warning, do_ident, do_assert, do_unassert): Likewise.
10167 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
10169 * function.h (struct expr_status): Add x_arg_space_so_far.
10170 (arg_space_so_far): New macro.
10171 * expr.c (init_expr): Initialize it.
10172 * calls.c (emit_call_1): Reset it.
10173 (compute_argument_block_size, expand_call): Use it.
10174 (expand_call, store_one_arg): Increment it.
10176 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10178 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
10181 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
10183 * cppfiles.c (cpp_read_file): New function.
10185 * cpphash.c (collect_expansion): Make sure to reset last_token
10186 to NORM when we hit a string. Handle trailing whitespace
10187 properly when the expansion is empty.
10188 (create_definition): Disable line commands while parsing the
10190 (dump_definition): If pfile->lineno == 0, output a line
10191 command ahead of the dump, and add a trailing newline.
10193 * cppinit.c (append_include_chain): Add fifth argument, which
10194 indicates whether or not system headers are C++ aware.
10195 (initialize_standard_includes): New function,
10196 broken out of read_and_prescan. Pass 'cxx_aware' value from
10197 the include_defaults_array on to append_include_chain.
10198 (dump_special_to_buffer): Const-ify char array.
10199 (builtin_array): Don't dump __BASE_FILE__.
10200 (cpp_start_read): Use cpp_read_file. Reorder code for
10201 clarity. Don't output line commands here for -D/-A/-U
10202 switches. Don't call deps_output for files included with
10203 -include or -imacros.
10205 * cpplib.c (do_define): Don't pay any attention to the second
10207 (cpp_expand_to_buffer): Disable line commands while scanning.
10208 (output_line_command): Work in the file buffer.
10209 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
10210 Fix formatting of comments. Prototype cpp_read_file.
10212 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10214 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
10215 reference the language-equivalent of sizetype.
10216 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
10217 * fold-const.c (size_binop, size_diffop): Put back checks.
10218 * gcse.c (dump_hash_table): Fix minor error in last change.
10219 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
10220 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
10223 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
10225 * calls.c (expand_call) Do not attempt to combine stack adjustments
10226 with inhibit_defer_pop set.
10228 2000-03-01 Mark Mitchell <mark@codesourcery.com>
10230 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
10231 the DECL_SIZE for a FIELD_DECL.
10233 2000-03-01 Bruce Korb <bkorb@gnu.org>
10235 * fixinc/inclhack.tpl: remove unused symlinks
10236 * fixinc/README: GCC Maintainer info
10237 * fixinc/inclhack.sh: regen
10238 * fixinc/fixincl.sh: regen
10240 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
10242 * cpphash.c (collect_expansion): Trim trailing white space
10243 from macro definitions, but don't go past the last insertion
10246 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
10248 * i386.md (mulqi3): New pattern.
10250 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
10252 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
10254 (struct cpp_reader): Add parsing_if_directive and
10255 parsing_define_directive flags.
10256 (struct cpp_options): Remove output_conditionals flag.
10257 (check_macro_name): Delete prototype.
10259 * cpphash.h (struct macrodef): Delete.
10260 (struct reflist): Separate from struct definition.
10261 (struct definition): Remove unused fields. Add column number.
10262 (create_definition): Returns a DEFINITION *. Takes a
10263 cpp_reader * and an int.
10265 * cpphash.c (SKIP_WHITE_SPACE): Delete.
10266 (PEEKC): Copy defn from cpplib.c.
10267 (rest_extension, REST_EXTENSION_LENGTH): Delete.
10269 (struct arglist): Simplify.
10270 (collect_expansion): Rewrite. Get tokens by calling
10271 cpp_get_token. Add more error checking.
10272 (collect_formal_parameters): New function, broken out of
10273 create_definition and reworked to use get_directive_token.
10274 (create_definition): All real work is now in collect_expansion
10275 and collect_formal_parameters. do_define handles finding the
10276 macro name. Return a DEFINITION, not a MACRODEF.
10277 (macroexpand): Replace bcopy with memcpy throughout. Replace
10278 character-at-a-time copy loop with memcpy and pointer increments.
10279 (compare-defs): d1->argnames / d2->argnames might be null.
10281 * cpplib.c (copy_rest_of_line): Delete function.
10282 (skip_rest_of_line): Do all the work ourselves.
10283 (skip_string): New function.
10284 (parse_string): Use skip_string.
10285 (get_macro_name): New function.
10286 (check_macro_name): Delete.
10287 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
10288 (cpp_skip_hspace): Use CPP_BUMP_LINE.
10289 (handle_directive): ICE if we're called on a macro buffer.
10290 (do_define): Determine macro name and type (funlike/objlike)
10291 here. Expunge all uses of MACRODEF.
10292 (cpp_push_buffer): Set line_base to NULL.
10293 (do_undef, read_line_number): Don't worry about getting a POP token.
10294 (eval_if_expression): Set/reset parsing_if_directive around
10295 cpp_parse_expr. Don't clear only_seen_white.
10296 (skip_if_group): Remove output_conditionals logic. Use
10298 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
10299 tokens under appropriate conditions.
10300 (cpp_unassert): Call do_unassert not do_assert. Oops.
10302 * cppexp.c (parse_defined): New function, break out of
10304 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
10305 ourselves, with cpp_defined.
10306 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
10308 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
10309 * gcc.dg/strpaste-2.c: New.
10311 2000-02-29 Mark Mitchell <mark@codesourcery.com>
10313 * fold-const.c (size_binop): Don't asert inputs are the same and
10314 have TYPE_IS_SIZETYPE set.
10315 (size_diffop): Likewise.
10317 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
10319 * dwarfout.c (output_block): Output abstract blocks even if they
10320 don't have TREE_ASM_WRITTEN set.
10322 * calls.c (emit_library_call): Check for null REG.
10324 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
10326 * c-decl.c (current_function_decl): Move to toplev.c.
10327 (init_decl_processing): Don't add current_function_decl as a ggc
10329 * dbxout.c (dbxout_symbol): Change return type to int.
10330 (dbxout_symbol_location, dbxout_syms): Likewise.
10331 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
10332 any locals. Use current_function_func_begin_label if set.
10333 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
10334 * dwarf2out.c (dwarf2out_begin_prologue): Set
10335 current_function_func_begin_label.
10336 * final.c (final_start_function): Reset it.
10337 * toplev.c (current_function_decl): Define it here.
10338 (current_function_func_begin_label): New variable.
10339 (main): Add both as ggc roots.
10340 * tree.h (current_function_func_begin_label): Declare.
10342 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10344 * gcse.c: Cleanups throughout: mostly white-space, but also
10345 some minor rearrangement of code.
10347 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
10349 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
10350 returns a PARALLEL. Use emit_group_load and use_group_regs
10352 (emit_library_call_value): Similarly.
10354 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
10355 * pa/quadlib.asm: Remove.
10356 * pa/quadlib.c: New file.
10358 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
10359 * configure: Rebuilt.
10361 2000-02-29 Philip Blundell <pb@futuretv.com>
10363 * config/arm/conix-elf.h: New file.
10364 * configure.in (arm*-*-conix*): New configuration.
10365 * configure: Regenerate.
10367 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
10369 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
10370 don't have TREE_ASM_WRITTEN set.
10372 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10374 * Eliminate DECL_FIELD_SIZE.
10375 * builtins.c (built_in_class_names, built_in_names): New variables.
10376 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
10377 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
10378 DECL_SIZE, not DECL_FIELD_SIZE.
10379 * print-tree.c (print_node): Remove code that prints extra blank
10380 lines in some cases.
10381 Properly handle inline and builtin function cases.
10382 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
10383 * tree.h (built_in_class_named, built_in_names): New declarations.
10384 (union tree_decl): Rename internal unions to u1 and u2 and change
10385 some of their components.
10386 Add new field built_in_class.
10387 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
10388 Reflect above changes.
10389 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
10390 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
10391 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
10392 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
10394 2000-02-28 Dmitri Makarov <dim@windriver.com>
10396 * extend.texi: Document ARM's support for long/short calls.
10398 * invoke.texi: Document ARM's -mlong-calls command line switch.
10400 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
10401 (arm_encode_call_attribute): Add prototype.
10402 (arm_set_default_type_attribute): Add prototype.
10403 (arm_strip_name_encoding): Add prototype.
10405 * config/arm/arm.c (arm_init_cumulative_args): replace
10406 initialisation og 'long_calls' field with initialisation of
10407 'call_cookie' field.
10408 (enum arm_pragma_enum): New enum.
10409 (arm_pragma_long_calls): New static variable.
10410 (arm_process_pragma): Also process "#pragma long_calls_off".
10411 (arm_valid_type_attribute_p): Accept short_call attribute.
10412 (arm_comp_type_attributes): Check long/short call attributes.
10413 (arm_encode_call_attribute): New function: Encode long_call
10414 or short_call attribute in function name.
10415 (arm_set_default_type_attributes): New function: Assign
10416 default attributes to newly defined type.
10417 (current_file_function_operand): New function: Return true if
10418 the symbol is a function which has already been compiled.
10419 (arm_is_longcall_p): New function: Return true if the
10420 indicated function should be called via a long call.
10421 (arm_get_strip_length): New function. Returns number of
10422 prefix characters to be stripped from a function's name.
10423 (arm_strip_name_encoding): New function. Strip prefix characters
10424 from a function's name.
10426 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
10427 with 'call_cookie'.
10428 (SHORT_CALL_FAG_CHAR): Define.
10429 (LONG_CALL_FAG_CHAR): Define.
10430 (ENCODED_SHORT_CALL_ATTR_P): Define.
10431 (ENCODED_LONG_CALL_ATTR_P): Define.
10432 (ARM_NAME_ENCODING_LENGTHS): Define.
10433 (STRIP_NAME_ENCODING): Define.
10434 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
10435 (ARM_ENCODE_CALL_TYPE): Define.
10436 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
10437 (ARM_DECLARE_FUNCTION_SIZE): Define.
10438 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
10440 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
10441 if a long call is needed.
10442 (call_value): Ditto.
10443 (call_symbol): Ditto.
10445 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
10446 ARM_DECLARE_FUNCTION_SIZE.
10448 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
10449 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
10450 (ARM_STRIP_NAME_ENCODING): Undefine.
10451 (STRIP_NAME_ENCODING): Undefine.
10452 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
10453 (ASM_DECLARE_FUNCTION_NAME): Ditto.
10454 (ASM_OUTPUT_COMMON): Ditto.
10455 (ASM_DECLARE_OBJECT_NAME): Ditto.
10457 * config/arm/pe.c (arm_dllexport_name_p): Check for
10459 (arm_dllimport_name_p): Ditto.
10460 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
10461 (arm_mark_dllimport): Ditto.
10463 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10465 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
10467 2000-02-28 Mark Mitchell <mark@codesourcery.com>
10469 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
10471 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
10473 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
10474 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
10475 NO_BUILTIN_WCHAR_TYPE is not defined.
10476 (CPP_WCHAR_TYPE): Delete.
10477 * cccp.c (main): Don't change wchar_type if cplusplus.
10478 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
10480 2000-02-28 Nick Clifton <nickc@cygnus.com>
10482 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
10484 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
10486 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
10487 (ASM_WEAKEN_LABEL): Define.
10489 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
10491 * expr.c (store_constructor): Do not emit USE.
10492 * rtl.h (stupid_life_analysis): Remove.
10494 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10496 * function.c (number_blocks): Reset next_block_index based on
10497 what debugging format is used, not what is defined.
10499 * lcm.c: Minor reformatting throughout.
10500 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
10502 * toplev.c (rest_of_compilation): Account for time in
10503 optimize_mode_switching.
10505 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
10506 if only marking labels.
10508 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
10510 * calls.c (expand_call): Attempt to combine stack adjustments with
10511 pending stack adjustments.
10513 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10515 * loop.c (reg_in_basic_block_p): Don't abort when falling through
10516 to the end of the function.
10518 2000-02-27 Mark Mitchell <mark@codesourcery.com>
10520 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
10522 * final.c (next_block_index): Remove.
10523 (max_block_depth): Likewise.
10524 (pending_blocks): Likewise.
10525 (init_final): Don't initialize them.
10526 (final_start_function): Don't set next_block_index. Set up
10528 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
10529 * function.h (number_blocks): New function.
10530 * function.c (get_block_vector): New function.
10531 (identify_blocks): Use it.
10532 (reorder_blocks): Set NOTE_BLOCK.
10533 (number_blocks): New function.
10534 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
10535 * tree.h (BLOCK_NUMBER): New macro.
10536 (tree_block): Add block_num field.
10537 * dbxout.c (next_block_number): Remove.
10538 (dbxout_init): Don't set it.
10539 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
10540 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
10542 * toplev.c (rest_of_compilation): Always call
10543 find_loop_tree_blocks. Fix indentation.
10544 * dwarf2out.c (next_block_number): Remove.
10545 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
10546 to determine block numbers.
10547 (gen_inlined_subroutine_die): Likewise.
10548 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
10549 (decls_for_scope): Don't increment next_block_number.
10550 * dwarfout.c (next_block_number): Remove.
10551 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
10552 to determine block numbers.
10553 (output_inlined_subroutine_die): Likewise.
10554 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
10555 (output_decls_for_scope): Don't increment next_block_number.
10556 * sdbout.c (next_block_number): Remove.
10557 (sdbout_block): Use BLOCK_NUMBER.
10558 (sdbout_begin_block): Simplify.
10559 * xcoffout.c (next_block_number): Remove.
10560 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
10561 (xcoffout_begin_block): Don't set next_block_number.
10562 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
10565 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10567 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
10568 (expand_builtin_strcpy): Pass correct type to size_binop.
10569 (expand_builtin_strcmp): Likewise.
10570 Clean up conditional structure.
10571 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
10572 (complete_array_type): Don't use size_binop for MAXINDEX.
10573 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
10574 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
10575 (c_alignof): Use size_one_node.
10576 (build_unary_op): Pass arg of proper type to size_binop.
10577 (really_start_incremental_init, push_init_level): Use sizetype for
10578 constructor{,_bit,_unfilled}_index.
10579 (pop_init_label, output_init_element): Likewise.
10580 (output_pending_init_elements, process_init_element): Likewise.
10581 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
10582 * expr.c (store_expr): Use size_int.
10583 (store_constructor): Use proper types for size_binop args.
10584 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
10585 (expand_expr_unaligned): Likewise.
10586 (string_contant): Return object of sizetype.
10587 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
10588 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
10589 (ARGS_SIZE_TREE): Pass proper types to size_binop.
10590 * fold-const.c (int_const_binop): Refine when size_int is called.
10591 (fold_convert): Likewise.
10592 (size_int_wide): Rework to take KIND as arg, only take low order
10593 bits, handle new sizetype_tab datatype, and chain entries in
10595 (size_int_type_wide): New function.
10596 (size_binop): Validate types of arguments.
10597 (ssize_binop): Deleted.
10598 (size_diffop): New function.
10599 (extract_muldiv): Only fold division into multiplication for sizetypes.
10600 * function.c (assign_parms): Use size_diffop and make sure
10601 VAR field is of ssizetype; also pass proper type to size_binop.
10602 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
10603 (round_down): Deleted from here.
10604 * store-layout.c (sizetype_tab): Now an array.
10605 (sizetype_set, early_root_list): New variables.
10606 (variable_size): Use size_one_node.
10607 (round_up): Pass proper type to size_binop.
10608 (round_down): Moved to here and corrected as above.
10609 (layout_record): Pass proper arg types to size_binop.
10610 (layout_type): Likewise.
10611 If sizetype_set is zero, record the type just laid out.
10612 (make_unsigned_type): Don't call set_sizetype;
10613 (make_signed_type): Likewise; also, call fixup_signed_type.
10614 (initialize_sizetypes): New function.
10615 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
10616 set name of bitsizetype to "bit_size_type".
10617 Fix up type of sizes of all types made before call.
10618 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
10619 * tree.c (fix_sizetype): Deleted.
10620 (build_common_tree_nodes): Call initialize_sizetypes.
10621 (build_common_tree_nodes_2): Don't call fix_sizetype.
10622 * tree.h (TYPE_IS_SIZETYPE): New macro.
10623 (initialize_sizetype): New declaration.
10624 (enum size_type_kind): New type.
10625 (struct sizetype_tab): Deleted.
10626 (sizetype_tab): Now array; adjust sizetype macros.
10627 (size_diffop, size_int_type_wide): New functions.
10628 (size_int_wide): Change number of args and type; access macros changed.
10629 (ssize_int, sbitsize_int): New macros.
10630 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
10631 (ROUND_TYPE_SIZE_UNIT): New macro.
10633 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
10635 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
10637 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10639 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
10640 Mark as possibly unused.
10642 * cse.c (cse_insn): Delete dead code involving tablejump.
10643 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
10645 * Makefile.in (libcpp.a): Start by deleting it.
10647 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10649 * cpplib.h (enum file_change_code): Added rename_file.
10650 * cpplib.c (do_line): If a filename is given, set file_change to
10652 (output_line_command): If file_change is rename_file, always
10653 output a # directive with the file name.
10655 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
10657 2000-02-26 Mark Mitchell <mark@codesourcery.com>
10659 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
10660 when copying a PARM_DECL or RESULT_DECL.
10662 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10664 * fix-header.c (recognized_function): Also fix prototypes for
10665 functions taking "void".
10667 2000-02-26 Geoff Keating <geoffk@cygnus.com>
10669 * reload1.c (do_output_reload): Check reg_reloaded_valid before
10670 looking at reg_reloaded_contents.
10672 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
10674 * Makefile.in (STMP_FIXINC): New toggle.
10675 (LIBGCC2_DEPS): Delete all references.
10676 (stmp-headers): Delete target. All references either deleted
10677 or changed to stmp-int-headers.
10678 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
10679 (LIBCPP_OBJS): Take out cppalloc.o.
10680 (cppalloc.o): Delete target.
10681 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
10682 (gen-protos, fix-header): Link with libiberty.a.
10683 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
10686 * configure.in: Remove refs to strerror.
10687 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
10688 * system.h: Take out strerror stanza.
10690 * cpperror.c (my_strerror): Delete function.
10691 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
10692 * cppmain.c (main): Call xmalloc_set_program_name first thing.
10693 * cppalloc.c: Delete file.
10694 * gen-protos.c: Don't provide xrealloc.
10696 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
10697 xstrerror throughout.
10699 2000-02-26 Bruce Korb <bkorb@gnu.org>
10701 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
10702 match for DOS headers, too.
10703 * fixinc/inclhack.sh,fixincl.x: Regenerate.
10705 2000-02-26 Geoff Keating <geoffk@cygnus.com>
10707 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
10708 is right for most ELF targets.
10709 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
10710 Let the default file use %U properly.
10711 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
10714 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
10717 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10719 * toplev.c (documented_lang_options): Correct spelling error.
10720 (decode_d_option, decode_f_option, main): Likewise.
10722 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
10724 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
10725 to tell assembler it is permitted to expand large constants.
10727 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
10729 * protoize.c: (AUX_INFO_SUFFIX): New macro.
10730 (aux_info_suffix): Use.
10731 (SAVE_SUFFIX): New macro.
10732 (save_suffix): Use.
10733 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
10734 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
10735 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
10737 * invoke.texi (Running Protoize): Update documentation.
10739 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
10741 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
10743 2000-02-25 John Wehle (john@feith.com)
10745 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
10747 2000-02-25 Anthony Green <green@cygnus.com>
10749 * toplev.c (rest_of_compilation): Rebuild jump labels if
10750 combine_instructions has created a new direct jump.
10751 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
10753 (combine_instructions): Call try_combine with new argument.
10754 Return non-null value when new direct jump instruction is created.
10755 * rtl.h: combine_instructions returns an int.
10757 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
10759 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
10760 jump when changing a computed jump into a jump to a known
10763 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
10765 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
10766 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
10768 * i386.md (define_expand "clrstrsi"): Fix typo.
10770 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
10772 * rtl.texi: Fix typo.
10774 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10776 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
10777 UNITS_PER_WORD. Change caller initial_elimination_offset.
10778 (rounded_frame_size): Take into account that argument pushed has
10779 changed. Fix TARGET_ALIGN_DOUBLE problem.
10781 2000-02-25 Geoff Keating <geoffk@cygnus.com>
10783 * haifa-sched.c (schedule_block): Explain the real reason
10784 we delete REG_SAVE_NOTEs on the first insn of a block.
10785 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
10787 2000-02-24 Mark Mitchell <mark@codesourcery.com>
10789 * input.h (push_srcloc): New function.
10790 (pop_srcloc): Likewise.
10791 * toplev.c (push_srcloc): Define it.
10792 (pop_srcloc): Likewise.
10794 2000-02-24 Richard Henderson <rth@cygnus.com>
10796 * flow.c (life_analysis): When collecting reg info, clear
10799 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10801 Fix bug exposed by reload.c no longer rounding the frame
10802 size to BIGGEST_ALIGNMENT:
10803 * sh.c (rounded_frame_size): New function.
10804 (sh_expand_prologue, sh_expand_epilogue): Use it.
10805 (initial_elimination_offset): Likewise.
10807 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10809 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
10810 * sh-protos.h (sh_need_epilogue): Declare.
10811 * sh.c (sh_need_epilogue_known): New static variable.
10812 (sh_need_epilogue): New function.
10813 (function_epilogue): Clear need_epilogue_known.
10814 * sh.md (return): Split into expander / insn pattern.
10815 Make the expander conditional on ! sh_need_epilogue ().
10817 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
10819 * machmode.h (get_mode_alignment): Declare.
10820 (GET_MODE_ALIGNMENT): Call it.
10821 * stor-layout.c (get_mode_alignment): New function. Make
10822 sure alignment is always power of 2.
10824 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
10826 * i386.h: Remove useless definition of "I386" and misleading
10829 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
10831 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
10832 under which TREE_PERMANENT will be set.
10833 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
10834 build1): Use TREE_SET_PERMANENT.
10835 * print-tree.c (print_node): Don't report value of
10836 TREE_PERMANENT if ggc_p is true.
10838 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
10839 decide whether to give a type a new alias set.
10840 * objc/objc-act.c (build_objc_string_object): Never copy the string.
10841 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
10842 of value of 'obstack'.
10845 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10847 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
10849 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10851 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
10852 * cpplib.c (cpp_get_token): Produce them.
10853 * cppexp.c (cpp_lex): Handle them.
10855 2000-02-23 Nick Clifton <nickc@cygnus.com>
10857 * config/arm/arm.c (arm_comp_type_attributes): Simply and
10858 comment tests on type attributes.
10860 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10862 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
10863 conform to documentation.
10864 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
10865 to check for special cases.
10866 * sh-protos.h (sh_loop_align): Declare.
10867 * sh.c (sh_loop_align): Define.
10869 2000-02-22 Andrew Haley <aph@cygnus.com>
10871 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
10872 (SIZE_TYPE): Is 32 bits when using -mgp32.
10873 (PTRDIFF_TYPE): Ditto.
10875 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10877 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
10879 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
10881 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
10882 BIGGEST_FIELD_ALIGNMENT a constant.
10884 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
10886 * dwarf2out.c (output_line_info): Put the marker for the end of
10887 the line number info at the actual end.
10888 (gen_struct_or_union_type_die): Use decl_function_context
10889 to check for local classes.
10890 * dwarfout.c (output_type): Likewise.
10892 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
10894 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
10895 for arguments with a mode, but no type.
10896 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
10897 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
10898 * pa/long_double.h: New file.
10899 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
10900 both have 128bit wide long doubles.
10901 * configure: Rebuilt.
10903 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10905 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
10907 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
10908 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
10909 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
10911 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
10913 * integrate.c (compare_blocks, find_block): Likewise.
10915 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
10917 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
10919 * stmt.c (stmt_status, set_file_and_line_for_stmt,
10920 expand_asm_operands): Likewise.
10922 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
10924 * predict.c (estimate_probability): Added the pointer heuristic to
10925 the collection of static branch predictors.
10927 2000-02-21 Catherine Moore <clm@cygnus.com>
10929 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
10930 * invoke.texi (-mfix7000): Document.
10932 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
10934 * diagnostic.c (init_output_buffer): Make it possible to output at
10935 least 32 characters if we're given a too long prefix.
10937 2000-02-20 Mark Mitchell <mark@codesourcery.com>
10939 * varasm.c (initializer_constant_valid_p): Call
10940 lang_expand_constant to simplify the constant.
10942 2000-02-20 Bruce Korb <bkorb@gnu.org>
10944 * fixinc/inclhack.def(stdio_va_list):
10945 typedef needs to be disabled.
10946 * fixinc/inclhack.sh: regen
10947 * fixinc/fixincl.x: regen
10949 2000-02-20 Geoff Keating <geoffk@cygnus.com>
10951 * print-rtl.c (print_rtx): Don't print addresses when
10952 flag_dump_unnumbered.
10954 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10956 * sparc.c (sparc_output_scratch_registers): Mark parameter with
10958 (sparc_va_arg, sparc_flat_output_function_prologue,
10959 sparc_flat_output_function_epilogue): Cast value to unsigned in
10961 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
10963 * sparc.md: Add default case in switch.
10965 2000-02-19 Richard Henderson <rth@cygnus.com>
10967 * c-typeck.c (add_pending_init): Don't abort for multiple
10968 fields at the same offset.
10969 (pending_init_member): Test the correct member.
10971 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10973 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
10975 (start_catch_handler) : Same.
10977 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
10979 * Makefile.in: Have flow.o depend on $(EXPR_H)
10981 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10983 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
10984 * c-decl.c (duplicate_decls, finish_enum): Likewise.
10985 (finish_decl): Remove -Wlarger-than code from here.
10986 * flags.h (id_clash_len): Now int.
10987 (larger_than_size): Now HOST_WIDE_INT.
10988 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
10989 Clean up checking to see if in table.
10990 (make_bit_field_ref): Remove extra parm to bitsize_int.
10991 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
10992 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
10993 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
10994 and for computing size of decl.
10995 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
10996 Move -Wlarger-than code to here.
10997 (layout_record): Remove extra arg to bitsize_int.
10998 Set TYPE_BINFO_SIZE_UNIT.
10999 (layout_union): Remove extra arg to bitsize_int.
11000 Use proper type for size of QUAL_UNION.
11001 (layout_type): Remove extra arg to bitsize_int.
11002 * toplev.c (id_clash_len): Now int.
11003 (larger_than_size): Now HOST_WIDE_INT.
11004 (decode_W_option): Clean up id-clash and larger-than- cases.
11005 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
11006 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
11007 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
11008 (struct tree_decl): New field size_unit.
11009 (size_int_wide): No HIGH operand; NUMBER is now signed.
11010 (size_int_2): Deleted.
11011 (size_int, bitsize_int): Don't use it and rework args.
11012 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
11014 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
11016 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
11018 2000-02-18 Geoff Keating <geoffk@cygnus.com>
11020 * invoke.texi (Warning Options): Add an explanation of why
11021 you might want the -Wfloat-equal flag.
11023 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11025 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
11026 * cppinit.c (new_pending_define): Add cast to avoid warning.
11027 * expmed.c (extract_bit_field): Likewise.
11028 * flow.c (enum reorder_skip_type): New type.
11029 (skip_insns_between_blcok): New it.
11030 Rework to avoid warning about possibly undefined variable.
11031 * function.c (assign_parms): Make thisparm_boundary unsigned.
11032 * genrecog.c (write_switch): Cast XWINT result to int.
11033 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
11034 * mips-tfile.c (init_file): Make two versions of FDR intializer:
11035 one for MIPS and one for Alpha.
11036 (get_tag, copy_object): Add casts to avoid warnings.
11037 * optabs.c (init_one_libfunc): Cast NAME to (char *).
11038 * reload.c (find_reloads): Make TYPE enum reload_type.
11039 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
11040 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
11041 * varasm.c (compare_constant_1): Add cast to avoid warning.
11042 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
11044 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
11045 Cast switch operand of size to int.
11046 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
11047 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
11050 2000-02-18 Nick Clifton <nickc@cygnus.com>
11052 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
11053 anything for an alignment of zero.
11055 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
11056 anything for an alignment of zero.
11058 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
11060 * gcc.texi (Bug Reporting): Refer to bugs.html.
11061 (Bug Lists): Likewise.
11062 * system.h (GCCBUGURL): New preprocessor define.
11063 * rtl.c (fancy_abort): Use it.
11064 * gcc.c (main): Likewise.
11066 2000-02-18 Richard Henderson <rth@cygnus.com>
11068 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
11069 (life_analysis_1): Subsume into ...
11070 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
11071 Use update_life_info for the relaxation.
11072 (update_life_info): Update REG_BASIC_BLOCK for registers live on
11073 entry and regs_live_at_setjmp.
11074 (set_noop_p): Simplify.
11075 (notice_stack_pointer_modification_1): Renamed from s/_1//.
11076 (record_volatile_insns): Split into ...
11077 (delete_noop_moves): ... here,
11078 (notice_stack_pointer_modification): ... here,
11079 (insn_dead_p): ... and here.
11080 (propagate_block): Don't query INSN_VOLATILE.
11081 (mark_used_regs): Mind !PROP_REG_INFO.
11082 * toplev.c (rest_of_compilation): Call mark_constant_function here,
11083 not in life_analysis.
11085 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
11087 * loop.c (canonicalize_condition): New function,
11088 broken out of get_condition.
11089 (get_condition): Use it.
11090 * expr.h (canonicalize_condition): Prototype it.
11092 * tree.h (tree_int_cst_msb): Declare.
11093 * tree.c (tree_int_cst_msb): New function.
11095 2000-02-17 Mark Mitchell <mark@codesourcery.com>
11097 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
11100 * invoke.texi (-fmessage-length=n): Document.
11102 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
11104 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
11106 2000-02-17 Mark Mitchell <mark@codesourcery.com>
11108 * function.c (thread_prologue_and_epilogue_insns): Put a line note
11109 after the prologue.
11111 2000-02-17 Nick Clifton <nickc@cygnus.com>
11113 * config/arm/thumb.c: Replace includes of system headers with
11114 #include "system.h".
11116 2000-02-16 Richard Henderson <rth@cygnus.com>
11118 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
11119 Add crtbeginS.o and crtendS.o.
11120 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
11121 (ENDFILE_SPEC): Use crtendS.o.
11122 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
11124 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
11125 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
11126 shared and present.
11127 (__dso_handle): New variable.
11128 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
11129 bias to __CTOR_END__.
11131 2000-02-16 Richard Henderson <rth@cygnus.com>
11133 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
11135 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
11137 * longlong.h (__clz_tab): Declare as static to match definition.
11139 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
11141 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
11142 (XREF_FILE_NAME): Define.
11144 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
11145 (EH_FRAME_SECTION_ASM_OP): Define.
11146 (IDENT_ASM_OP): Define.
11147 (TEXT_SECTION_ASM_OP): Define.
11148 (CPP_SPEC): Define.
11149 (CTORS_SECTION_ASM_OP): Define.
11150 (CTOR_SECTION_FUNCTION): Use it.
11151 (DTORS_SECTION_ASM_OP): Define.
11152 (DTOR_SECTION_FUNCTION): Use it.
11154 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
11156 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
11159 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
11160 debug_bb_n): New functions.
11161 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
11162 * basic-block.h: Prototype new functions.
11164 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
11166 * configure.in: Add support for avr target.
11167 * configure: Rebuilt.
11169 * invoke.texi: Add AVR invocation docs.
11170 * install.texi: Add information about AVR.
11171 * md.texi: Add AVR constraint letters description.
11172 * extend.texi: Add description for AVR specific attributes.
11174 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
11176 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
11178 2000-02-16 Nick Clifton <nickc@cygnus.com>
11180 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
11181 (make_insn_raw): Move RTL check here.
11183 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11185 * version.c: Include gansidecl.h and version.h.
11187 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
11189 * configure.in (gcc_version): When setting, narrow search to
11190 lines containing `version_string'.
11192 * Makefile.in (mainversion): Likewise.
11193 (GCC_H): New variable.
11194 (gcc.h): Delete target.
11195 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
11196 (version.o): Depend on version.h.
11197 (dbxout.o): Don't depend on gcc.h.
11199 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
11200 Michael Meissner <meissner@cygnus.com>
11202 * md.texi (Simple Constraints): Add item about whitespace.
11203 * genoutput.c (strip_whitespace): New.
11204 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
11205 strip_whitespace for constraints.
11206 Test pointer using NULL, not 0.
11208 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11210 * cpplib.c (do_line): Pedwarn for #line > 32767.
11212 * c-lex.c (readescape): Warn about '\x', but do not reject it.
11214 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
11216 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
11217 to default cpp spec.
11218 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
11219 * cpp.texi: Document __GNUC_PATCHLEVEL__.
11222 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
11225 2000-02-15 Denis Chertykov <denisc@overta.ru>
11227 * configure.in: Add support for avr target.
11229 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11231 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
11232 (sh_addr_diff_vec_mode): Don't declare.
11233 * sh.c (sh_addr_diff_vec_mode): Delete.
11235 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11237 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
11239 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11241 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
11242 (smulsi3_highpart_i): Name.
11243 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
11244 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
11245 (smulsi3_highpart, umulsi3_highpart): Likewise.
11247 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
11248 correctly independent of endianness.
11249 (mulsidi3, umulsidi3): Now define_insn. Hide details that
11250 confuse the optimizers.
11251 (mulsidi3+1, umulsidi3+1): New define_split.
11253 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
11255 * config/sh/sh.md: Guard insn splits against illegal registers.
11256 * config/sh/sh.h: Correct comment about macros.
11258 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11259 Andrew MacLeod <amacleod@cygnus.com>
11261 * Makefile.in (lcm.o): Depend on insn-attr.h.
11262 * basic-block.h (optimize_mode_switching): Declare.
11263 * lcm.c (tm_p.h, insn-attr.h): #include.
11264 (seginfo, bb_info): New structs.
11265 (antic, transp, comp, delete, insert) : New file-scope static variables.
11266 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
11267 (reg_becomes_live, optimize_mode_switching): Likewise.
11268 * tm.texi: Add description of mode switching macros.
11269 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
11271 * sh-protos.h (remove_dead_before_cse): Remove prototype.
11272 (fldi_ok, fpscr_set_from_mem): New prototypes.
11273 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
11274 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
11275 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
11276 (sh_flag_remove_dead_before_cse): Remove declaration.
11277 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
11278 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
11279 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
11280 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
11281 (barrier_align): Allow for JUMP_INSNS containing a parallel.
11282 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
11283 (fldi_ok): New function.
11284 (get_fpscr_rtx): Add fpscr_rtx as GC root.
11285 (emit_sf_insn): Only generate fpu switches when optimize < 1.
11286 (emit_df_insn): Likewise.
11287 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
11288 (sh_flag_remove_dead_before_cse): Delete.
11289 (get_free_reg, fpscr_set_from_mem): New functions.
11290 * sh.md (movdf, movsf): Remove no_new_pseudos code.
11291 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
11293 2000-02-15 Loren Rittle <ljrittle@acm.org>
11295 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
11297 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11299 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
11300 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
11302 * cccp.c: Include version.h and/or don't declare `version_string'.
11303 * collect2.c: Likewise.
11304 * alpha.c: Likewise.
11305 * arm/aof.h: Likewise.
11306 * arm/coff.h: Likewise.
11307 * arm/elf.h: Likewise.
11308 * arm/pe.h: Likewise.
11309 * arm/tcoff.h: Likewise.
11310 * arm/telf.h: Likewise.
11311 * arm/tpe.h: Likewise.
11312 * arm/vxarm.h: Likewise.
11313 * convex/convex.c: Likewise.
11314 * i386/dgux.c: Likewise.
11315 * i386/sun386.h: Likewise.
11316 * m88k/m88k.c: Likewise.
11317 * mcore/mcore-pe.h: Likewise.
11318 * mips/mips.h: Likewise.
11319 * romp/romp.h: Likewise.
11320 * sh/sh.c: Likewise.
11321 * cpphash.c: Likewise.
11322 * cppinit.c: Likewise.
11323 * dwarf2out.c: Likewise.
11324 * dwarfout.c: Likewise.
11327 * mips-tfile.c: Likewise.
11328 * protoize.c: Likewise.
11329 * toplev.c: Likewise.
11330 * tree.h: Likewise.
11332 * version.c (version_string): Constify a char*.
11334 * version.h: New file.
11336 2000-02-14 Nick Clifton <nickc@cygnus.com>
11338 * configure.in: Add mcore-elf and mcore-pe targets.
11339 * configure: Regenerate.
11341 * NEWS: Add note that MCore port has been contributed.
11343 * invoke.texi: Document command line switches for MCore port.
11344 * install.texi: Add MCore to list of supported targets.
11346 2000-02-14 Geoff Keating <geoffk@cygnus.com>
11348 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
11349 then we will need to import the frame handling functions.
11350 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
11351 to import the frames themselves.
11353 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
11354 Jason Eckhardt <jle@cygnus.com>
11356 * basic_block.h: Added prototype for reorder_basic_blocks.
11357 * toplev.c: Changes to add -freorder-blocks and graph dump after
11358 block reordering is done.
11359 * flow.c (reorder_block_def): New structure for use during block
11361 (REORDER_BLOCK_*): New macros to access members of above structure.
11362 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
11363 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
11364 functions for block reordering.
11366 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
11368 * gcc.texi (Passes): Fix typo.
11369 * md.texi (Standard Names): Ditto.
11370 * tm.texi (Storage Layout): Ditto.
11372 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
11374 * cpplib.c (do_define): Only free the old definition if it
11377 2000-02-13 Neil Booth <NeilB@earthling.net>
11379 * cppfiles.c (read_and_prescan): When emitting deferred
11380 newlines, test speccase[] again instead of checking each
11381 possible whitespace character in turn. When we encounter \r,
11382 look behind for \n first, then ahead.
11384 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
11386 * cse.c (cse_altered): New internal flag.
11387 (cse_insn): Set it if we changed an insn.
11388 (cse_main): Clear cse_altered before each basic block.
11389 Only garbage collect if cse_altered is true afterward.
11391 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11393 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
11395 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
11397 * combine.c (simplify_comparison): Fix typo.
11399 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
11401 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
11404 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11406 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
11407 previously inserted node instead of root node. Caller changed.
11409 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11411 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
11413 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11415 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
11416 __dereg_frame_dtor): Add prototype argument.
11418 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
11420 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
11422 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
11424 * gthr-vxworks.h (__gthread_once): Likewise.
11426 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
11428 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
11430 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
11431 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
11432 stack pointer in functions w/o saved registers, output LEAVE more often
11433 on TARGET_USE_LEAVE machines.
11435 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
11437 * config/arm/arm.c (arm_init_cumulative_args); New function:
11438 Initlaise the CUMULATIE_ARGS strcuture for a function
11440 (arm_function_arg): New function: Determine where to place a
11441 function's argument. Also handles deciding the function's
11443 (current_file_function_operand): New function: Return true if
11444 the symbol is a function which has already been compiled.
11445 (arm_is_long_call_p): New function: Return true if the
11446 indicated function should be called via a long call.
11447 (arm_valid_type_attribute_p): New function: Return true if the
11448 attribute is a valid, arm specific, attribute.
11449 (arm_comp_type_attribute): New function: Return true if the
11450 two types have compatable, arm specific, attributes.
11452 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
11454 (FUNCTION_ARG): Redefine to call arm_function_arg.
11455 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
11457 (INIT_CUMULATIVE_ARGS): Redefine to call
11458 arm_init_cumulative_args.
11459 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
11461 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
11463 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
11465 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
11466 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
11467 (COMP_TYPE_ATTRIBUTES): Define.
11469 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
11470 if a long call is needed.
11471 (call_value): Call arm_is_long_call_p to decide if a long call
11473 (call_symbol): Call arm_is_long_call_p to decide if a long call
11476 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
11478 2000-02-11 Denis Chertykov <denisc@overta.ru>
11480 * README.AVR: New file with information about the avr ports.
11481 * config/avr: New directory with avr port files.
11483 2000-02-11 Andreas Jaeger <aj@suse.de>
11485 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
11487 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
11489 * cpphash.c: Fix formatting, update commentary.
11490 (dump_definition): Take three separate arguments instead of a
11491 MACRODEF structure argument.
11492 * cpphash.h: Update prototype of dump_definition.
11493 * cppinit.c (cpp_finish): Update call of dump_definition.
11495 * cpplib.c (do_define): Always create new hash entry with
11496 T_MACRO type. Remove redundant check for redefinition of
11497 poisoned identifier. Update call of dump_definition.
11498 (do_undef): Don't call check_macro_name. Rename sym_length to
11500 (do_error, do_warning): Don't use copy_rest_of_line or
11502 (do_warning): Don't use pedwarn for the actual warning,
11503 only the notice about its not being in the standard. (Fixes
11504 bug with #warning in system headers.)
11505 (do_ident): Stricter argument checking - accept only a single
11506 string after #ident. Also, macro-expand the line.
11507 (do_xifdef): Use cpp_defined. De-obfuscate.
11509 (do_pragma): Split out specific pragma handling to separate
11510 functions. Use get_directive_token. Update commentary. Do
11511 not pass on #pragma once or #pragma poison to the front end.
11512 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
11513 do_pragma_default): New.
11515 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
11517 * jump.c (jump_optimize_1): The first operand in a relational
11518 can be a CONST_INT.
11519 * optabs.c (emit_conditional_move): Handle relationals which
11520 have a known true/false result.
11522 2000-02-11 Geoff Keating <geoffk@cygnus.com>
11524 * function.c (thread_prologue_and_epilogue_insns): Don't insert
11525 a RETURN insn into a block which already ends with a jump.
11527 2000-02-11 Geoff Keating <geoffk@cygnus.com>
11529 * haifa-sched.c (BUF_LEN): Increase a lot.
11531 2000-02-11 Nick Clifton <nickc@cygnus.com>
11533 * configure.in: Add tm_p_file specification for thumb targets.
11534 * configure: Regenerate.
11536 * config/arm/thumb-protos.h: New file: Prototypes for exported
11537 functions defined in thumb.c.
11539 2000-02-11 Robert Lipe <robertl@sco.com>
11541 * Makefile.in (bootstrap-lean): Remove additional files.
11542 (bootstrap2-lean): Likewise.
11543 (VOL_FILES): List of files for above.
11545 2000-02-11 Nathan Sidwell <nathan@acm.org>
11547 * cpphash.c (special_symbol): Remove spurious argument to
11550 2000-02-11 Joel Sherrill (joel@OARcorp.com>
11552 * configure.in: (i*86-*-rtems*): Swapped elf and coff
11554 * configure: Rebuilt.
11556 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
11558 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
11560 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
11562 * pa.c, pa.h: Remove trigraph sequences within comments.
11564 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
11566 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
11568 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
11570 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
11572 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11574 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
11576 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11578 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
11579 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
11580 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
11581 (ASM_FILE_END): Use c4x_file_end.
11582 * config/c4x/c4x.c (c4x_global_label): New function.
11583 (c4x_external_ref, c4x_file_end): Likewise.
11585 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
11586 (c4x_external_ref, c4x_end_file): Likewise.
11588 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
11590 * cppexp.c: Don't include cpphash.h.
11591 (parse_charconst, cpp_lex): Use cpp_defined.
11592 (cpp_lex): Use get_directive_token throughout. Remove
11593 unnecessary cases from switch. Move assertion-handling code
11594 down to OTHER case.
11595 (cpp_parse_expr): If we see '+' or '-', check the context to
11596 determine if they are unary or binary operators. Streamline
11597 the jumps a bit. Do not call skip_rest_of_line.
11599 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
11600 static. Export get_directive_token. Update commentary.
11601 (cpp_defined): New function.
11602 (do_define): Remove reference to T_PCSTRING. Call
11603 free_definition to release memory for old definition, when
11604 redefining a macro.
11605 (eval_if_expression): Set only_seen_white to 0 before calling
11606 cpp_parse_expr. Call skip_rest_of_line after it returns.
11607 (cpp_read_check_assertion): Don't preserve a pointer into the
11608 token buffer across a call to cpp_get_token.
11610 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
11611 * cppfiles.c (redundant_include_p): Use cpp_defined.
11612 * cpphash.c (free_definition): New function.
11613 (delete_macro): Use it. Update commentary.
11614 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
11616 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
11617 from enum node_type. Prototype cpp_defined and get_directive_token.
11618 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
11620 * fix-header.c (check_macro_names): Use cpp_defined.
11621 (read_scan_file): Set inhibit_warnings and inhibit_errors in
11622 the options structure.
11624 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11626 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
11628 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
11630 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
11631 rather than die->die_tag.
11633 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11635 * combine.c (make_extraction, force_to_mode): Avoid warning on
11636 mixed-signedness conditionals.
11637 (make_field_assignment, nonzero_bits): Likewise.
11638 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
11639 (store_split_bit_field, extract_split_bit_field): Likewise.
11640 (extract_fixed_bit_field, store_bit_field,
11641 * expr.c: Change alignment to be unsigned everywhere.
11642 (move_by_pieces, store_constructor_field, store_constructor):
11643 Alignment parm is unsigned.
11644 (emit_block_move, emit_group_load, emit_group_store): Likewise.
11645 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
11646 (do_compare_rtx_and_jump): Likewise.
11647 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
11648 Compare align with GET_MODE_ALIGNMENT.
11649 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
11650 (get_inner_reference): Likewise.
11651 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
11652 (expand_assignment): Local vars for alignment now unsigned.
11653 (store_constructor, store_field, expand_expr, do_jump): Likewise.
11654 (do_compare_and_jump): Likewise.
11655 (store_field): Call new function expr_align.
11656 * expr.h (emit_block_move, emit_group_load, emit_group_store):
11657 Alignment arg now unsigned.
11658 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
11659 (do_compare_rtx_and_jump, store_bit_field): Likewise.
11660 (extract_bit_field): Likewise.
11661 * fold-const.c (add_double): Add cast to eliminate signedness warning.
11662 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
11663 (get_best_mode): Alignment arg is unsigned.
11664 * rtl.h (move_by_pieces): Likewise.
11665 * store-layout.c (maximum_field_alignment, set_alignment):
11667 (layout_decl): Alignment arg is now unsigned.
11668 Remove unneeded casts.
11669 (layout_record, layout_union, layout_type): Remove unneeded casts.
11670 Local alignment variables now unsigned.
11671 (get_best_mode): Alignment arg now unsigned.
11672 * tree.c (expr_align): New function.
11673 * tree.h (expr_align): Likewise.
11674 (maximum_field_alignment, set_alignment): Now unsigned.
11675 (get_inner_reference): Alignment argument is now pointer to unsigned.
11676 * varasm.c (assemble_variable): Add cast to eliminate warning.
11678 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
11680 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
11681 then store directly into op0.
11683 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
11684 the CALL_INSN, and emit the note immediately after it.
11686 2000-02-10 Nick Clifton <nickc@cygnus.com>
11688 * config/arm/thumb.md (epilogue): Include a (return) in the
11689 generated insn, and emit it using emit_jump_insn not
11692 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
11694 * function.c (assign_temp): Change zero-sized arrays to size 1.
11695 * integrate.c (expand_inline_function): Do not update
11696 stack_alignment_needed
11697 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
11698 add some sanity checking, remove optimization for function with
11701 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11703 * flow.c (mark_regs_live_at_end): Delete unused variables.
11705 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
11707 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
11708 in macro FRAME_GROWS_DOWNWARD.
11710 * stmt.c (expand_end_bindings): Delete unused variable.
11712 * unroll.c (iteration_info): Mark parameter `loop' with
11715 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11717 * fixinc/server.c (load_data): Return NULL if the marker line is
11719 (run_shell): If load_data returns NULL, retry the command once, in
11722 * configure: Rebuilt.
11724 2000-02-09 Bruce Korb <bkorb@gnu.org>
11726 * gcc/fixincludes: ** DELETED **
11727 * gcc/fixcpp: ** DELETED **
11728 * gcc/fixinc-nt.sed: ** DELETED **
11729 * gcc/just-fixinc: ** DELETED **
11730 * gcc/Makefile.in: Removed out-dated commentary
11731 * gcc/configure.in: Removed fast-fixincludes disablement.
11732 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
11734 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
11735 * function.c (thread_prologue_and_epilogue_insns): Uncomment
11738 2000-02-09 Richard Henderson <rth@cygnus.com>
11740 * jump.c (delete_insn): Don't delete user labels at -O0.
11742 2000-02-09 Robert Lipe <robertl@sco.com>
11744 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
11745 Don't link with HOST_LIBS.
11747 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
11749 * configure.in: Correct --help text for --with-dwarf2.
11750 Put tm-dwarf2.h after other tm files, if it's requested.
11751 * configure: Regenerate.
11752 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
11755 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
11757 * cpplib.h: Provide HASHNODE typedef and forward decl of
11758 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
11759 DEFINITION, struct hashnode, struct macrodef, struct
11760 definition, scan_decls prototype, default defn of
11761 INCLUDE_LEN_FUDGE moved elsewhere.
11763 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
11764 definition, and struct hashnode moved here. Remove the unused
11765 'predefined' field from struct definition. Replace the 'args'
11766 union with its sole member. All users updated (cpphash.c).
11767 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
11768 multiple include guard.
11770 * cpphash.c (hashf): Make static; use better algorithm; drop
11771 HASHSIZE parameter; return an unsigned int.
11772 (cpp_lookup): Drop HASH parameter. PFILE parameter is
11773 used. Calculate HASHSIZE modulus here.
11774 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
11776 (create_definition): Drop PREDEFINITION parameter.
11777 * cpplib.c (do_define): Don't calculate a hash value here.
11778 Don't pass (keyword == NULL) to create_definition.
11780 * scan.h: Prototype scan_decls here.
11781 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
11782 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
11783 callers of cpp_lookup and cpp_install updated.
11785 * cpphash.c (macarg): Hoist all the flag diddling out of the
11787 (macroexpand): ... and out of the loop that calls macarg.
11788 Skip over the initial paren before macro arguments with
11789 cpp_get_non_space_token; point may be some distance before
11790 that paren. Abort if it's not there.
11792 * cpplib.c (parse_clear_mark): Delete function.
11793 (parse_set_mark, parse_goto_mark): Make static.
11794 (ACTIVE_MARK_P): New macro.
11795 (skip_block_comment, skip_line_comment): Do not bump the line
11796 if ACTIVE_MARK_P is true.
11797 (cpp_pop_buffer): The buffer to be popped may not have an
11799 (cpp_get_token): When looking for the initial paren before
11800 macro arguments, only set a mark in a file buffer, Always
11801 return to that mark before proceeding to call macroexpand or
11802 return a NAME token.
11804 * cpplib.h: Remove prototypes of parse_set_mark,
11805 parse_clear_mark, parse_goto_mark.
11806 (struct cpp_options): Rename 'put_out_comments' to
11807 'discard_comments' and invert its sense.
11808 * cppinit.c, cpphash.c, cpplib.c: All users of
11809 put_out_comments changed to use discard_comments, with
11812 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
11814 * function.c (thread_prologue_and_epilogue_insns): Don't delete
11815 the edge from a block that both jumps and falls through to the
11818 2000-02-09 Scott Bambrough <scottb@netwinder.org>
11820 * config/arm/arm.md (movsi): In PIC mode, make sure that a
11821 constant source address is legitimate.
11823 2000-02-09 Philip Blundell <pb@futuretv.com>
11825 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
11828 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
11830 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
11832 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
11834 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
11835 ends with a newline and a NUL. Don't be so clever manipulating
11838 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
11840 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
11841 not to BIGGEST_ALIGNMENT.
11843 2000-02-08 Geoff Keating <geoffk@cygnus.com>
11845 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
11846 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
11847 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
11848 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
11849 * frame.c (execute_cfa_insn): Handle
11850 DW_CFA_GNU_negative_offset_extended.
11852 2000-02-08 Richard Henderson <rth@cygnus.com>
11854 * flow.c (tidy_fallthru_edges): Split out from ...
11855 (delete_unreachable_blocks): ... here.
11856 (find_basic_blocks): Use it.
11858 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11860 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
11862 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
11864 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
11865 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
11866 (fix-header.o): Don't depend on cpphash.h.
11868 * scan.c (hashstr): New function.
11869 * scan.h: Prototype it.
11870 * fix-header.c: Don't include cpphash.h. Use hashstr.
11871 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
11872 hashstr. Report hash table statistics. Add private
11873 definition of xrealloc.
11875 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11877 * i386.h (TARGET_SWITCHES): Fix typo in option name.
11879 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
11881 * function.c (thread_prologue_and_epilogue_insns): Don't replace
11882 jumps with returns unless they are jumps to the fallthru block.
11884 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
11886 * i386.md (addqi3_cc): Fix contraints.
11888 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
11890 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
11892 2000-02-07 Mark Mitchell <mark@codesourcery.com>
11894 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
11895 carriage return after a macro name.
11897 2000-02-07 Fred Fish <fnf@be.com>
11899 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
11900 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
11902 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
11904 * cppfiles.c (deps_output): Count spacers in deps_column.
11906 2000-02-07 Neil Booth <NeilB@earthling.net>
11908 * cppinit.c (initialize_dependency_output): If there is no
11909 suffix, don't try to look for known suffixes. Use strrchr.
11910 (cpp_start_read): Remove duplicate initialization.
11912 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
11914 * calls.c (compute_argument_block_size): New argument
11915 preferred_stack_boundary.
11916 (expand_call): update cfun->preferred_stack_boundary, update call of
11917 compute_argument_block_size
11918 (emit_library_call): Increate cfun->preferred_stack_boundary
11919 to PREFERRED_STACK_BOUNDARY
11920 (emit_library_call_value): Likewise.
11921 * explow.c (allocate_dynamic_stack_spave): Likewise.
11922 * function.c (prepare_function_start): Set
11923 cfun->preferred_stack_boundary
11924 * function.h (struct function): Add preferred_stack_boundary field.
11925 * integrate.c (expand_inline_function): Update
11926 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
11927 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
11928 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
11930 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
11932 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
11933 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
11934 cpp_pedwarn, cpp_pedwarn_with_line,
11935 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
11936 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
11937 v_cpp_error_with_line, v_cpp_warning_with_line,
11938 cpp_message_from_errno, cpp_perror_with_name): Delete.
11940 * cpperror.c (cpp_print_containing_files): Take starting
11941 buffer as argument.
11942 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
11943 (v_cpp_message): Now called directly by all entry points.
11945 (cpp_pfatal_with_name, cpp_message): Delete.
11946 (cpp_notice_from_errno, cpp_ice): New functions.
11947 (cpp_notice): Is now for reporting error conditions, just
11948 without an associated file.
11949 (cpp_error, cpp_error_with_line): Don't do anything if
11950 opts->inhibit_errors is on.
11951 (cpp_pedwarn_with_file_and_line): Take column argument also.
11953 * cpplib.h: Update prototypes of exported functions.
11954 (struct cpp_options): Add inhibit_errors.
11956 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
11957 non-error messages. Include intl.h.
11959 * cppinit.c, cppmain.c: Likewise. Also, use
11960 cpp_notice_from_errno instead of cpp_perror_with_name or
11961 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
11963 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
11964 report internal errors.
11966 * cpplib.c (do_define): Switch bcopy to memcpy.
11967 Give cpp_pedwarn_with_file_and_line a dummy column argument.
11969 * cpplib.c (copy_rest_of_line): Revert previous change: don't
11970 bail out early if we hit a line comment.
11972 2000-02-06 Richard Henderson <rth@cygnus.com>
11974 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
11975 * basic-block.h: Declare them.
11976 * emit-rtl.h (active_insn_p): New.
11977 (next_active_insn, prev_active_insn): Use it.
11978 * rtl.h: Declare it.
11979 * function.c (emit_return_into_block): New.
11980 (thread_prologue_and_epilogue_insns): Insert return insns instead
11981 of epilogues when possible.
11982 * jump.c (jump_optimize_1): Remove code to insert a return insn
11983 on the fallthru to the exit block.
11985 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
11986 and for non-empty stack frames.
11987 * i386.md (return): Expand to return-pop as needed.
11989 2000-02-06 Richard Henderson <rth@cygnus.com>
11991 * simplify-rtx.c (simplify_relational_operation): Canonicalize
11992 constant to op1 for testing.
11994 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11996 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
11997 (fixuns_truncqfqi2): Use it.
11999 2000-02-06 Richard Henderson <rth@cygnus.com>
12001 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
12002 as a TYPE_LEA insn.
12004 * i386.md (widening and peepholes): Mask the constant instead of
12007 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
12009 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
12010 input pointer before possibly branching off to the backslash
12012 * cpphash.c (macroexpand): Correctly delete \r escapes when
12013 stringifying parameters.
12014 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
12015 if we can; bail out early if we hit a line comment.
12016 (handle_directive): Treat '# 123' in an .S file just like
12017 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
12018 Return 1 for '# not_a_directive'.
12019 (get_directive_token): Pop macro buffers here, so that
12020 cpp_get_token can't sneakily move past a newline.
12022 (cpp_get_token): goto randomchar if handle_directive returns 0.
12024 * cppalloc.c: Update copyright.
12025 * cpplib.c: Merge all the static function prototypes into one
12027 * cpplib.h: Remove #if 0 block.
12029 * cpperror.c: Remove #ifdef EMACS block.
12030 * cppmain.c: Likewise.
12031 * cpphash.c: Remove #if 0 blocks.
12032 * cppinit.c: Remove #if 0 blocks, and the -lint option.
12033 * cpplib.c: Remove #if 0 blocks and code referencing
12034 pcp_inside_if or for_lint. Remove duplicate error message.
12035 Fix error messages for #else after #else or #elif. Reformat.
12036 Remove archaic TODO list.
12037 * cpplib.h: Remove pcp_inside_if and for_lint flags.
12039 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
12041 * i386/osf1elf.h: Add missing backslash to multiline string.
12043 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12045 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
12047 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12049 * Makefile.in (c-common.o): Depend on $(EXPR_H).
12051 * c-common.c: Include expr.h.
12053 * c-pragma.c (mark_align_stack): Add prototype.
12055 * caller-save.c (add_stored_regs): Likewise.
12057 * combine.c (record_promoted_value): Likewise.
12059 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
12062 * cppinit.c (new_pending_define): Likewise.
12064 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
12066 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
12067 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
12068 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
12069 class_scope_p): Likewise.
12071 * dwarf2out.h (dwarf2out_set_demangle_name_func,
12072 dwarf2out_add_library_unit_info): Likewise.
12074 * ggc.h (ggc_page_print_statistics): Likewise.
12076 * haifa-sched.c (propagate_deps): Likewise.
12078 * reg-stack.c (next_flags_user, record_label_references): Likewise.
12080 * rtl.h (set_stack_check_libfunc): Likewise.
12082 * toplev.h (set_fatal_function): Likewise.
12084 * toplev.c (set_fatal_function): Delete prototype.
12086 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
12088 2000-02-05 Geoff Keating <geoffk@cygnus.com>
12090 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
12091 (FUNC_END): Likewise.
12093 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12095 * caller-save.c: Include tm_p.h.
12097 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12099 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
12101 2000-02-04 Neil Booth <NeilB@earthling.net>
12103 * cccp.c (main): Check 'dir' for a NULL pointer before passing
12106 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
12108 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
12109 * genflags.c: Use the max_operand_1 logic from genemit.c to
12110 calculate how many arguments gen_insn prototypes have. Remove
12111 NO_MD_PROTOTYPES ifdefs from the generated file.
12112 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
12113 file. Cast gen_insn initializers to insn_gen_fn.
12114 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
12115 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
12117 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12119 * fixinc/Makefile.in (HDR): Add machname.h.
12122 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12124 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
12125 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
12126 (c4x_cpu_version): Ditto.
12127 * config/c4x/c4x-protos.h: ... here.
12129 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
12131 * dwarf2out.c (add_abstract_origin_attribute): Don't call
12132 gen_abstract_function on our context if we're a nested function.
12134 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12136 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
12137 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
12139 2000-02-04 Bruce Korb <bkorb@gnu.org>
12141 * fixinc/genfixes(machname.h):
12142 Move the functionality from gen-machine.h into this file.
12143 UNdef MN_NAME_PAT if there are no names to change.
12144 Also, be a little kinder when AutoGen is not present.
12146 * fixinc/Makefile.in(machname.h):
12147 Change the generation rule to use genfixes.
12149 * fixinc/fixfixes.c(machine_name):
12150 machine_name_fix's functionality now dependent upon whether
12151 MN_NAME_PAT is defined.
12153 * fixinc/fixtests.c(machine_name):
12156 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
12159 * fixinc/fixlib.h(mn_get_regexps):
12162 * fixinc/gen-machine.h: DELETED
12164 2000-02-04 Jan Hubicka <jh@suse.cz>
12165 Richard Henderson <rth@cygnus.com>
12167 * i386.c (SAVE_REGS_FIRST): Remove.
12168 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
12169 (ix86_compute_frame_size): Likewise.
12170 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
12171 (ix86_emit_restore_regs): Remove.
12172 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
12173 when a frame pointer is in use.
12174 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
12175 instead of pop to restore a register when profitable; emit leave
12177 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
12178 as a TYPE_LEA insn.
12179 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
12180 * i386.md (prologue_allocate_stack): Remove.
12181 (epilogue_deallocate_stack): Remove.
12182 (pro_epilogue_adjust_stack): New.
12184 2000-02-04 Richard Henderson <rth@cygnus.com>
12186 * function.c (diddle_return_value): Rework to use a callback function.
12187 Use current_function_return_rtx if it's been set up.
12188 (do_clobber_return_reg, clobber_return_register): New.
12189 (do_use_return_reg, use_return_register): New.
12190 (expand_function_end): Use them.
12191 * stmt.c (expand_null_return): Likewise.
12192 * function.h: Declare them.
12193 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
12194 (mark_reg): Change arguments as appropriate for callback.
12195 * integrate.c (expand_inline_function): Revert 19 Jan change.
12197 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
12199 * tm.texi (Values in Registers): Fix typo: "fo" "for".
12200 (Misc): Say the scheduler, not the Haifa scheduler.
12202 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
12204 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
12205 when in_mem is set. Update all callers.
12207 2000-02-04 Richard Henderson <rth@cygnus.com>
12209 * i386/openbsd.h (INT_ASM_OP): Define.
12211 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
12213 * tm.texi: Fix various typos.
12215 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
12217 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
12218 (MD_STARTFILE_PREFIX_1): New macro.
12220 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
12222 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
12223 destination when needed.
12224 (strmovsi, strsetsi): New expander.
12225 (strmovsi_1, strsetsi_1): New pattern.
12226 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
12227 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
12228 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
12229 * invoke.texi (align-stringops, inline-all-stringops): Document.
12231 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
12233 * i386/netbsd.h (INT_ASM_OP): Define.
12235 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
12237 * cpplib.h (cpp_reader): Add new flag, no_directives.
12238 * cpphash.c (macarg): Set it.
12239 * cpplib.c (handle_directive): If no_directives is on and we
12240 find a directive, issue an error and discard the line.
12242 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
12244 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
12245 FP constants. Add ! TARGET_FPU check for FP constants.
12247 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
12249 * flow.c (find_basic_blocks): Don't kill label_value_list
12251 (cleanup_cfg): Kill it here.
12253 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12255 * expr.c (store_field): Ensure ALIGN is no stricter than the
12258 2000-02-02 Richard Henderson <rth@cygnus.com>
12260 * jump.c (delete_insn): Partially revert 19 Jan change;
12261 don't convert unused code labels to notes at -O0.
12263 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12265 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
12266 split_all_insns to recreate REG_LABEL notes for flow2 pass.
12268 2000-02-01 Richard Henderson <rth@cygnus.com>
12270 * i386.c (general_no_elim_operand): New.
12271 (nonmemory_no_elim_operand): New.
12272 (ix86_expand_move): Copy eliminable operands before a push.
12273 * i386-protos.h: Declare new functions.
12274 * i386.h (CAN_ELIMINATE): Simplify.
12275 (PREDICATE_CODES): Update.
12276 * i386.md (push insns): Don't allow eliminable register operands.
12278 2000-02-01 Richard Henderson <rth@cygnus.com>
12280 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
12281 replace BLKmode with DECL_RTL's mode.
12283 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
12285 * frame.c (find_fde): Convert for loop to do-while so compiler
12286 sees it's always executed at least once.
12287 * libgcc2.c (BBINBUFSIZE): Kill.
12288 (__bb_init_prg): Use fgets.
12289 (__bb_exit_trace_func): Don't paste strings.
12290 * unroll.c (unroll_loop): Initialize unroll_type, not
12291 unroll_number, and tweak logic to match.
12293 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
12295 (ix86_flags_dependant): Likewise. Disentangle control flow.
12296 (ix86_sched_reorder): Break guts out to
12297 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
12298 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
12301 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
12302 use string concatenation. Don't save and restore esi.
12304 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
12305 (machname.h): Remove script to separate file. Use two-step
12306 sequence so target is not created if script fails.
12307 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
12308 identifiers are defined.
12309 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
12310 an empty string, machine_name doesn't need to do anything at
12312 (is_cxx_header): Add more cases to regexp.
12313 * fixinc/fixlib.h: Update prototype.
12314 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
12316 * fixinc/fixincl.c: Define NO_BOGOSITY.
12318 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
12319 (hp_sysfile): Add missing comma.
12320 (math_exception): Put the wrapper ifdefs at the beginning and
12321 the end of the file.
12322 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
12324 2000-02-01 Richard Henderson <rth@cygnus.com>
12326 * sparc.c (fp_zero_operand): Turn into a normal predicate.
12327 Use CONST0_RTX. Update all callers.
12328 * sparc.h, sparc-protos.h: Update accordingly.
12329 * sparc.md (fp mov insns): Use fp_zero_operand directly
12332 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
12334 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
12337 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12339 * Makefile.in (specs.ready): New target.
12340 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
12342 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12344 * fixinc.irix: Use unique filenames for writing into /tmp,
12345 * fixinc.ptx: Likewise.
12346 * fixinc.sco: Likewise.
12347 * fixinc.svr4: Likewise.
12348 * fixinc.winnt: Likewise.
12350 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12352 * tsystem.h: New file.
12354 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
12355 s-crtS): Depend on tsystem.h.
12357 * crtstuff.c: Include tsystem.h.
12358 * frame.c: Likewise.
12359 * libgcc2.c: Likewise.
12361 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
12363 * builtins.c (expand_builtin_memset): Expand for variable sized
12366 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
12368 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
12371 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
12373 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
12375 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
12377 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
12379 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
12380 case 3->2 combining (combining with splitting) in which 2 is CC0
12381 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
12382 checked at the begining of the function with the aid of calling
12383 function 'can_combine_p'.
12385 2000-01-31 Dave Brolley <brolley@redhat.com>
12387 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
12389 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
12391 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
12394 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12396 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
12398 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
12401 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
12403 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
12404 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
12405 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
12406 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
12407 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
12408 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
12409 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
12410 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
12411 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
12412 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
12414 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
12415 Add %(cpp_cpu) to CPP_SPEC.
12417 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
12418 Add %(cc1_cpu) to CC1_SPEC.
12420 2000-01-28 Ulrich Drepper <drepper@redhat.com>
12422 * c-decl.c (c_decode_option): Accept optional numeric argument to
12423 -Wformat and set warn_format.
12424 * c-common.c: Don't emit warning about non-constant printf format
12425 string unless warn_format > 1.
12427 2000-01-30 Richard Henderson <rth@cygnus.com>
12429 * alpha.md (return_internal): Allow after reload only.
12431 2000-01-30 Richard Henderson <rth@cygnus.com>
12433 * i386.c (ix86_compute_frame_size): Omit padding1 if the
12434 local frame size is zero.
12436 2000-01-30 Richard Henderson <rth@cygnus.com>
12438 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
12439 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
12440 * alpha.md (return): Turn into an expander.
12441 (return_internal): Don't use $26.
12442 (epilogue): Emit the return insn.
12444 2000-01-30 Richard Henderson <rth@cygnus.com>
12446 * alpha.md (negtf2, abstf2): Fix word order thinko.
12447 (extendsftf2): New.
12448 (trunctfsf2): Avoid intermediate rounding errors.
12450 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
12452 * cppfiles.c (find_position): Drop 'colp' argument, return the
12454 (read_and_prescan): Adjust to match. Don't ever manipulate
12455 line or line_base except via find_position.
12457 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
12459 * c-parse.in: Apply Ulrich's changes from c-parse.y.
12460 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
12463 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
12465 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
12466 just print "<command line>". If 'filename' is null or an
12467 empty string, print "<stdin>" for the filename.
12468 * cpplib.c (do_define): Don't print the 'location of the
12469 previous definition' message if we're still parsing the
12471 (cpp_pedwarn_with_file_and_line): Always call
12472 cpp_file_line_for_message.
12474 2000-01-29 Mark Mitchell <mark@codesourcery.com>
12476 * flow.c (mark_regs_live_at_end): Fix typo.
12478 2000-01-28 Ulrich Drepper <drepper@redhat.com>
12480 * c-common.c: Adjust variable names, comments, help strings to c99.
12481 * c-lex.c: Likewise.
12482 * c-parse.y: Likewise.
12483 * c-tree.h: Likewise.
12484 * cccp.c: Likewise.
12485 * cpplib.h: Likewise.
12486 * c-decl.c: Likewise. Recognize options with names "*99" as well.
12487 * cppinit.c: Likewise.
12489 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12491 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
12492 * c4x.c: Define the optab rtx values.
12493 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
12494 (c4x_emit_libcall): Use new optab rtx values.
12495 (c4x_emit_libcall3): Likewise.
12496 (c4x_emit_libcall_mulhi): Likewise.
12497 * c4x-protos.h: Add prototypes for optab rtx values and change
12498 prototypes for above c4x_emit_libcall functions.
12500 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12502 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
12504 (c4x_function_prologue): Use regnames intead of float_reg_names when
12506 (c4x_function_epilogue): Likewise.
12507 (c4x_print_operand): Likewise.
12508 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
12509 * c4x.md (set_high): Disable for TARGET_TI.
12511 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12513 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
12514 of framepointer + constant to ADDR_REGS class.
12515 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
12516 * c4x.c (std_or_reg_operand): New function.
12517 * c4x-protos.h (std_or_reg_operand): Prototype it.
12519 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12521 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
12522 object names as libgcc2.c.
12523 * libgcc.S: Use newly defined names.
12525 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
12526 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
12528 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
12529 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
12530 (FLOW_LOOP_LAST_BLOCK): Likewise.
12532 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12534 * basic-block.h (struct loop): New fields 'first' and 'last'.
12535 * flow.c (flow_loops_find): Compute loop->first and loop->last.
12536 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
12537 and loop->last to check for NOTE_INSN_LOOP_END.
12539 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
12541 * predict.c (estimate_probability): Use the new FIRST and LAST fields
12542 of the loop descriptor rather than HEADER and LATCH. Also added
12543 missing break statements as well making some coding style modifications
12544 as suggested by Michael Hayes.
12546 2000-01-28 Richard Henderson <rth@cygnus.com>
12548 * flow.c (find_basic_blocks): Remove do_cleanup argument.
12549 Break out that code ...
12550 (cleanup_cfg): ... here.
12551 (commit_one_edge_insertion): Detect a return instruction being
12552 emitted to an edge. Emit a barrier following; clear fallthru.
12553 (commit_edge_insertions): Verify CFG consistency.
12554 * function.c (expand_function_start): Kill unused variable.
12555 (expand_function_end): Likewise.
12556 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
12557 to insert the epilogue.
12559 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
12560 (delete_null_pointer_checks): Likewise.
12561 * output.h: Likewise.
12562 * reg-stack.c (reg_to_stack): Likewise.
12563 * toplev.c (rest_of_compilation): Likewise. Run
12564 thread_prologue_and_epilogue_insns after rebuilding the CFG.
12566 2000-01-28 Richard Henderson <rth@cygnus.com>
12568 * Makefile.in (flow.o): Revert 24 Jan change.
12569 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
12570 FUNCTION_VALUE result to DECL_RESULT's mode.
12572 * haifa-sched.c (schedule_insns): Don't recompute reg info
12575 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
12577 * configure.in: Make --enable-cpplib the default.
12578 * configure: Regenerate.
12579 * gcc.dg/990119-1.c: No longer expected to fail.
12581 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
12583 * jump.c (jump_optimize_1): Delete an optimization that is also done
12584 by merge_blocks in flow.
12586 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12588 * diagnostic.c (build_message_string, output_printf,
12589 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
12590 (build_location_prefix): Fix non-literal format string.
12592 2000-01-27 Richard Henderson <rth@cygnus.com>
12594 * alpha.md (trunctfsf2): New.
12596 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
12598 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
12600 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
12602 * cppinit.c (cpp_handle_option): Recognize C++ comments under
12604 * cpplib.c (skip_block_comment, skip_line_comment): Split code
12606 (skip_comment) ... here. Permit C++ comments in system
12607 headers always. Warn about C++ comments in user code under
12608 -std=gnu89 -pedantic.
12609 (copy_comment): Use skip_comment.
12610 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
12612 (consider_directive_while_skipping, do_else, do_endif): Call
12613 validate_else unconditionally.
12614 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
12615 text after the conditional in a system header.
12616 * cpplib.h (struct cpp_buffer): Add flag
12617 warned_cplusplus_comments.
12619 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
12621 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
12622 Use unshare_all_rtl_1.
12623 (unshare_all_rtl_again): New function.
12624 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
12626 * function.c (purge_addressof_1): Use unshare_all_rtl_again
12627 rather than resetting the 'used' flags ourself.
12629 * toplev.c (rest_of_compilation): Add current_function_decl
12630 to the unshare_all_rtl call.
12631 * tree.h: Prototype unshare_all_rtl.
12632 * rtl.h: Prototype unshare_all_rtl_again here.
12634 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
12636 * genoutput.c (output_prologue): Include ggc.h in generated
12638 * Makefile.in (insn-output.o): Depends on ggc.h.
12640 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
12641 Hans-Peter Nilsson <hp@bitrange.com>
12643 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
12644 Remove redundant include of xm-ns32k.h.
12645 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
12646 Remove redundant include of xm-ns32k.h.
12647 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
12648 Remove redundant include of xm-ns32k.h.
12649 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
12651 * ns32k/ns32k.h: Update comment on multiply-add instructions.
12652 (TARGET_SWITCHES): Add documentation strings.
12653 (DWARF_FRAME_REGNUM): Override default definition.
12654 (REG_CLASS_CONTENTS): Add comments.
12655 (SUBSET_P): Format to reduce line length.
12656 (SMALL_REGISTER_CLASSES): Make a run time option.
12657 (GO_IF_NONINDEXED_ADDRESS): Reformat.
12658 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
12659 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
12660 (regclass_map): fix typo in comment.
12661 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
12662 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
12663 (trace, reg_or_mem_operand): Delete, unused function.
12664 (calc_address_cost): Small offsets are cheaper than large ones.
12665 (expand_block_move): Generate more efficient code when bytes is a
12666 known at compile time.
12667 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
12668 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
12669 instead of reg_or_mem_operand.
12671 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
12672 not general_operand. Similarly use "=rm" or stricter, not "=g".
12673 For input operands, use stricter constraints than "g" if not
12674 general_operand. Similarly use stricter predicate than
12675 "general_operand" when stricter constraints than "g" are present,
12676 except for matching constraints.
12677 (movstrsi): Use "memory_operand" for operands 0 and 1.
12678 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
12679 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
12680 not reg_or_mem_operand.
12681 (udivmoddisi4): Ditto.
12682 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
12683 Use nonimmediate_operand for operand 3, not register_operand.
12684 (udivmoddiqi4_internal): Use register_operand for operand 1, not
12685 reg_or_mem_operand.
12687 2000-01-27 Fred Fish <fnf@be.com>
12689 * gthr-posix.h: Fix typo; compatibily -> compatibility.
12690 * gthr-single.h: Likewise.
12691 * gthr-solaris.h: Likewise.
12692 * gthr-vxworks.h: Likewise.
12693 * gthr-win32.h: Likewise.
12694 * gthr.h: Likewise.
12696 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
12698 * cppinit.c: Add " (cpplib)" to end of string printed by
12701 2000-01-27 Richard Henderson <rth@cygnus.com>
12703 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
12704 testing for a signed comparison.
12705 (alpha_emit_floatuns): New.
12706 * alpha-protos.h: Declare it.
12707 * alpha.md (floatunsdisf2, floatunsdidf2): New.
12708 (extendsfdf2): Tidy.
12710 2000-01-27 Jakub Jelinek <jakub@redhat.com>
12712 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
12713 no -g option specifying debugging format, default to -gstabs+.
12715 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12717 * calls.c (special_function_p): New argument fork_or_exec.
12718 (expand_call): When profile_arc_flag is set and the function
12719 is in the fork_or_exec group, call __bb_fork_func first.
12720 * libgcc2.c, _bb module (__bb_fork_func): New function.
12721 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
12723 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
12724 * tree.h (special_function_p): Update prototype.
12726 2000-01-26 Richard Henderson <rth@cygnus.com>
12728 * alpha.c (alpha_split_tfmode_pair): New.
12729 * alpha-protos.h: Declare it.
12730 * alpha.md (abstf2, negtf2): New.
12731 (movtf insn): Add input G constraint.
12732 (movtf splitter): Use alpha_split_tfmode_pair.
12734 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12736 * i386/cygwin.h: PROTO -> PARAMS.
12738 2000-01-26 Jakub Jelinek <jakub@redhat.com>
12740 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
12741 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
12742 using _Qp_cmp/_Q_cmp and testing the return value.
12743 (print_operand): Call reverse_condition_maybe_unordered if
12744 we are handling CCFPmode or CCFPEmode.
12745 Handle ORDERED, UN* and LTGT comparisons.
12746 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
12747 if not TARGET_HARD_QUAD.
12748 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
12749 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
12750 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
12751 Adjust gen_b* calls so that they reflect return comparison of
12752 sparc_emit_float_lib_cmp.
12754 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12756 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
12757 incoming operands array is large enough for one more operand.
12758 (alpha_emit_xfloating_arith): Likewise.
12760 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
12762 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
12763 file with one line and no trailing newline.
12764 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
12765 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
12766 checking if the match is on the line.
12767 * fixinc/gnu-regex.c: Provide regerror not __regerror.
12769 2000-01-25 Richard Henderson <rth@cygnus.com>
12771 * sparc.c (output_cbranch): Fix accidental squashing of the
12772 fp branch pre-delay nop.
12774 2000-01-25 Richard Henderson <rth@cygnus.com>
12776 * tree.def (UNNE_EXPR): Remove.
12777 * c-typeck.c (build_binary_op): Don't handle it.
12778 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
12780 * rtl.def (UNNE): Remove.
12782 * jump.c (reverse_condition): Update accordingly.
12783 (swap_condition): Likewise.
12784 (comparison_dominates_p): Handle unordered comparisons.
12785 (reverse_condition_maybe_unordered): New.
12786 * rtl.h (reverse_condition_maybe_unordered): Declare.
12788 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
12789 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
12790 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
12791 * sparc.md (bltgt): New.
12793 2000-01-25 Nick Clifton <nickc@redhat.com>
12795 * emit-rtl.c (emit_insn): Only check machine class insns for
12796 improper emission of a RETURN.
12798 2000-01-25 Richard Henderson <rth@cygnus.com>
12800 * Makefile.in (flow.o): Depend on $(EXPR_H).
12801 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
12802 duplicate the structure of diddle_return_value for keeping regs live.
12804 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12806 * loop.c (current_loop_info): Delete.
12807 (consec_sets_invariant_p): Add loop argument, update callers.
12808 (get_condition_for_loop): Likewise.
12809 (count_nonfixed_reads, update_giv_derive): Likewise.
12810 (simplify_giv_expr, general_induction_var): Likewise.
12811 (consec_sets_giv, recombine_givs): Likewise.
12812 (move_movables): Delete loop_start and loop_end arguments,
12813 add loop argument, and update callers.
12814 (find_mem_givs, check_final_value): Likewise.
12815 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
12816 (loop_invariant_p): Rename from invariant_p, add loop argument, and
12818 (basic_induction_var): Add loop argument, delete loop_level argument,
12819 and update callers.
12820 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
12821 add loop argument, and update callers.
12822 (find_splittable_regs, find_splittable_givs): Likewise.
12823 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
12824 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
12825 (biv_total_increment): Delete loop_start and loop_end arguments;
12827 (precondition_loop_p): Delete loop_start and loop_info arguments;
12829 * loop.h (get_condition_for_loop): Add loop argument.
12830 (biv_total_increment): Delete loop_start and loop_end arguments.
12831 (precondition_loop_p): Delete loop_start and loop_info arguments;
12833 (final_biv_value): Delete loop_start and loop_end arguments;
12835 (final_giv_value, back_branch_in_range_p): Likewise.
12837 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
12839 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
12841 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
12843 * Makefile.in (c-gperf.h) : Change the "See" pointer to
12844 point to the new "generated_files" doc.
12846 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
12848 * config/fp-bit.c (_unord_f2): Fix typo.
12850 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
12852 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
12853 c-typeck.c, objc/objc-act.c: Remove all references to obstack
12854 functions obsoleted by GC, such as push_obstacks_nochange,
12855 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
12856 and code which existed only to decide whether or not to call
12857 them. Remove now-unused NESTED argument from start_function;
12858 all callers changed. Do not change behavior based on ggc_p.
12859 The use of the ixp_obstack in c-iterate.c and the util_obstack
12860 in objc/objc-act.c remain; these are not obsoleted by garbage
12862 * c-tree.h: Update prototype for start_function.
12864 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
12866 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
12868 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
12871 2000-01-25 Richard Henderson <rth@cygnus.com>
12873 * sparc-protos.h (select_cc_mode): Declare.
12874 * sparc.c (select_cc_mode): New. Handle unordered compares.
12875 (output_cbranch): Always reverse via code change. Handle
12876 unordered compares. Factor tests and string updates.
12877 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
12878 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
12879 * sparc.md (bunordered, bordered): New.
12880 (bungt, bunlt, buneq, bunge, bunle): New.
12882 2000-01-25 Richard Henderson <rth@cygnus.com>
12884 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
12885 * ggc-common.c (ggc_add_rtx_varray_root): New.
12886 (ggc_mark_rtx_varray): New.
12887 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
12888 functions down below ggc_mark_foo.
12889 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
12891 2000-01-25 Richard Henderson <rth@cygnus.com>
12893 * alpha.c (secondary_reload_class): Don't allocate a secondary
12894 for integral mode memories into FLOAT_REGS. Rearrange the more
12895 complicated memory expression inward.
12897 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
12899 * inclhack.def: Fixes to play nicer with FreeBSD, and
12900 corrections to comments.
12901 (cxx_unready): Add select expression.
12902 (irix_sockaddr): Add bypass expression.
12903 (machine_ansi_h_va_list): New fix.
12904 (stdio_va_list): No need to edit _BSD_VA_LIST_.
12905 Split out addition of "#include <stdarg.h>" to...
12906 (stdio_stdarg_h): ... here.
12907 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
12908 to stdlib.h also. Do not munge _BSD_SIZE_T_.
12909 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
12911 (ultrix_ifdef): Tighten up select expression.
12913 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
12914 re_ct and max_mach to avoid use of shell. Make printed names
12915 match names in inclhack.def. Use static copyright date.
12916 Don't count c_test and test expressions as requiring regex_t
12917 slots. Add some commentary.
12918 * inclhack.tpl: Do not include the 'This script contains N
12919 fixup scripts' line if PROGRAM is defined. Use static
12922 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
12924 * dwarf2out.c: include "varray.h", not dyn-string.h.
12925 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
12926 (addr_const_to_string, addr_to_string): Lose.
12927 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
12928 (struct dw_val_struct): val_addr is now an rtx.
12929 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
12930 (used_rtx_varray): New varray.
12931 (dwarf2out_init): Initialize it.
12932 (save_rtx): New fn.
12933 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
12935 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
12936 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
12937 * Makefile.in (dwarf2out.o): Update dependencies.
12939 2000-01-24 Richard Henderson <rth@cygnus.com>
12941 * i386.c (i386_dwarf_output_addr_const): New.
12942 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
12944 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
12946 * dwarfout.c (output_mem_loc_descriptor): Likewise.
12947 * i386.c (i386_simplify_dwarf_addr): New.
12948 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
12950 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
12952 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
12953 TYPE_STUB_DECL is NULL.
12955 2000-01-24 Richard Henderson <rth@cygnus.com>
12957 * builtins.c (expand_tree_builtin): Move ...
12958 * c-common.c (expand_tree_builtin): ... here.
12960 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12962 * loop.h (LOOP_INFO): New accessor macro.
12963 * basic-block.h (struct loop): Rename field `info' to `aux'.
12964 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
12965 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
12966 * unroll.c (loop_iterations, unroll_loop): Likewise.
12968 2000-01-24 Christopher Faylor <cgf@cygnus.com>
12970 * config/i386/t-cygwin: Accomodate new winsup directory layout
12971 when searching for include files.
12973 2000-01-24 Richard Henderson <rth@cygnus.com>
12975 * rtl.def: Add unordered fp comparisions.
12976 * tree.def: Likewise.
12977 * tree.h: Add ISO C 9x unordered fp comparision builtins.
12979 * builtins.c (expand_tree_builtin): New function.
12980 * c-typeck.c (build_function_call): Use it.
12981 (build_binary_op): Support unordered compares.
12982 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
12984 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
12985 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
12986 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
12987 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
12988 * jump.c (reverse_condition): Don't abort for UNLE etc, but
12990 (swap_condition): Handle unordered compares.
12991 (thread_jumps): Check can_reverse before reversing.
12992 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
12995 * optabs.c (can_compare_p): New argument CODE. Verify branch or
12996 setcc is present before acking for cmp_optab. Update all callers.
12997 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
12998 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
12999 * expr.c (expand_expr): Likewise. Support unordered compares.
13000 (do_jump, do_store_flag): Likewise.
13001 * expr.h (enum libfunc_index): Add unordered compares.
13003 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
13004 (DPBIT_FUNCS): Add _unord_df.
13005 * config/fp-bit.c (_unord_f2): New.
13006 * fp-test.c (main): Try unordered compare builtins.
13008 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
13009 * alpha.c (alpha_comparison_operator): Check mode properly.
13010 (alpha_swapped_comparison_operator): Likewise.
13011 (signed_comparison_operator): Likewise.
13012 (alpha_fp_comparison_operator): New.
13013 (alpha_emit_conditional_branch): Handle unordered compares.
13014 * alpha.h (PREDICATE_CODES): Update.
13015 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
13016 (bunordered, bordered): New.
13018 2000-01-24 Richard Henderson <rth@cygnus.com>
13020 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
13021 * alpha.md (movtf): New expander, insn, and splitter.
13023 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
13025 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
13028 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
13030 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
13031 (FIXED_REGISTERS, CALL_USED_REGISTERS,
13032 REG_ALLOC_ORDER): Add frame pointer
13033 (FRAME_POINTER_REGNUM): Set to 20
13034 (HARD_FRAME_POINTER_REGNUM): New macro.
13035 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
13036 to HARD_FRAME_POINTER.
13037 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
13038 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
13039 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
13040 (HI_REGISTER_NAMES): Add "frame".
13041 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
13042 (debug_reg): Handle FRAME_POINTER_REGNUM.
13043 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
13044 GENERAL_REGS and INDEX_REGS.
13045 * i386.c (SAVED_REGS_FIRST): new macro.
13046 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
13047 (ix86_decompose_address, memory_address_length): Likewise.
13048 (regclass_map): Add frame pointer.
13049 (call_insn_operand): Handle frame_pointer_rtx.
13050 (reg_no_sp_operand): Likewise.
13051 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
13052 (print_operand, legitimize_pic_address): Fix formating.
13053 (ix86_compute_frame_size): Make static, update prototype, new
13054 parameters padding1, padding2, use ix86_nsaved_regs, use
13055 stack_alignment_needed.
13056 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
13057 to HARD_FRAME_POINTER_REGNUM conversions.
13058 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
13059 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
13060 (print_reg): Abort on FRAME_POINTER_REGNUM
13062 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
13064 * i386.h (PREDICATE_CODES): Add aligned_operand.
13065 * i386.c (aligned_operand): New function.
13066 (ix86_aligned_p): Kill.
13067 * i386.md (movhi_1): Emit mov for aligned operands.
13068 (promoting peep2s): Use aligned_operand.
13070 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
13072 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
13073 expression to allow underscores in macro names.
13074 (fix_char_macro_defines): Increment scanning pointer.
13076 2000-01-23 Richard Henderson <rth@cygnus.com>
13078 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
13079 * alpha/osf5.h: New file.
13080 * configure.in (alpha-*-osf5): Add it to tm_file.
13082 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
13084 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
13085 (alpha_emit_xfloating_cvt, function_arg): Declare.
13086 * alpha.c (alpha_emit_conditional_branch): Call
13087 alpha_emit_xfloating_compare for TFmode compares.
13088 (alpha_lookup_xfloating_lib_func): New.
13089 (alpha_compute_xfloating_mode_arg): New.
13090 (alpha_emit_xfloating_libcall): New.
13091 (alpha_emit_xfloating_arith): New.
13092 (alpha_emit_xfloating_compare): New.
13093 (alpha_emit_xfloating_cvt): New.
13094 (print_operand): Add default abort case.
13095 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
13096 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
13097 (BIGGEST_ALIGNMENT): Increase to 128 bits.
13098 (RETURN_IN_MEMORY): True for TF/TCmode.
13099 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
13100 (FUNCTION_ARG): Move to function_arg.
13101 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
13102 (ASM_OUTPUT_LONG_DOUBLE): New.
13103 (ASM_OUTPUT_DOUBLE): Always output bits.
13104 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
13105 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
13106 (extenddftf2, trunctfdf2): New.
13108 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13110 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
13111 * config/sparc/sol2.h: ... here.
13113 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13115 * basic-block.h (struct loops): New field `levels'.
13116 * flow.c (flow_loops_level_compute): Traverse all outer loops.
13117 (flow_loop_level_compute): Initialise level to 1.
13118 (flow_loops_find): Set loops->levels.
13119 (flow_loops_dump): Print loops->levels.
13121 2000-01-23 Richard Henderson <rth@cygnus.com>
13123 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
13124 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
13126 2000-01-23 Richard Henderson <rth@cygnus.com>
13128 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
13129 * i386.h (DBX_REGISTER_NUMBER): Use them.
13130 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
13131 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
13132 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
13133 * i386/sequent.h: Kill incorrect comment.
13135 2000-01-23 Mark Mitchell <mark@codesourcery.com>
13137 * ggc-page.c (struct page_entry): Make `context_depth' an
13139 (struct globals): Likewise.
13141 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
13143 * loop.c (check_dbra_loop): When checking a loop for
13144 reversability, check the source of any stores to ensure
13145 they don't depend on an initial value.
13147 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13149 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
13151 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
13153 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
13154 'pz_scan' into scope of entire function. Only affects
13155 compiles with -DDEBUG.
13157 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
13159 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
13160 section naming to that prior to 2000-01-07 patch.
13161 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
13162 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
13163 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
13164 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
13165 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
13167 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
13169 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
13172 2000-01-21 Jim Wilson <wilson@cygnus.com>
13174 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
13175 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
13177 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
13179 * cpphash.c (change_newlines): Delete function.
13180 (struct argdata): Delete 'newlines' and 'use_count' fields.
13181 (macroexpand): Remove code referencing those fields.
13183 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13185 * loop.c (loops_info): New variable.
13186 (loop_optimize): Allocate loops->array and free it on exit.
13187 Allocate memory for loops_info and assign to each loop,
13189 (find_and_verify_loops): Do not allocate loops->array.
13191 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
13193 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
13195 2000-01-21 Jakub Jelinek <jakub@redhat.com>
13197 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
13198 pseudos if expanded after first flow.
13199 (movdi_pic_label_ref): Likewise.
13201 2000-01-20 Richard Henderson <rth@cygnus.com>
13203 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
13205 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
13207 * Makefile.in (fixinc.sh): Depend on specs.
13208 * fixinc/Makefile.in: Add rule to create machname.h.
13209 (fixlib.o): Depend on machname.h.
13210 * fixinc/fixtests.c (machine_name): New test.
13211 * fixinc/fixfixes.c (machine_name): New fix.
13212 * fixinc/fixlib.c (mn_get_regexps): New helper function for
13213 the machine_name test and fix.
13214 * fixinc/fixlib.h: Prototype it.
13215 * fixinc/inclhack.def (machine_name): Use the C test and fix.
13216 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
13218 * gcc.c (do_spec_1) [case P]: Take care not to create
13219 identifiers with three leading or trailing underscores.
13221 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
13222 (fixincl): Don't specify libraries twice on link line.
13223 (gnu-regex.o): Remove special rule.
13224 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
13225 defined by config.h. Do not define _REGEX_RE_COMP.
13226 (regcomp): Allocate and initialize a fastmap.
13227 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
13229 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
13231 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
13233 2000-01-19 Richard Henderson <rth@cygnus.com>
13235 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
13236 arguments with BB. Update all callers. Tidy line wrapping.
13238 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
13240 * emit-rtl.c (try_split): Return last_insn if we split the
13243 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
13245 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
13246 (ix86_initial_elimination_offset): Declare.
13247 * i386.c (ix86_nsaved_regs): Break out from ...
13248 (ix86_can_use_return_insn_p): ... here.
13249 (ix86_emit_save_regs): Break out from ...
13250 (ix86_expand_prologue): ... here.
13251 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
13253 (ix86_expand_epilogue): ... here.
13254 (ix86_compute_frame_size): Make static, add prototype.
13255 (ix86_initial_elimination_offset): Break out from ...
13256 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
13258 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13260 * recog.h (OUT_FCN): Delete.
13262 * vax.md: Call `get_insn_template' instead of OUT_FCN.
13264 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13266 * cppalloc.c: PROTO -> PARAMS.
13267 * cpperror.c: Likewise.
13268 * cppfiles.c: Likewise.
13269 * cpplib.c: Likewise.
13270 * cpplib.h: Likewise.
13272 * config/arm/arm-protos.h: PROTO -> PARAMS.
13273 * config/arm/arm.c: Likewise.
13274 * config/c4x/c4x.c: Likewise.
13275 * config/fr30/fr30-protos.h: Likewise.
13276 * config/nextstep.c: Likewise.
13277 * config/pa/pa.c: Likewise.
13278 * config/pj/pj.c: Likewise.
13279 * config/rs6000/rs6000.c: Likewise.
13280 * config/v850/v850-protos.h: Likewise.
13281 * config/v850/v850.c: Likewise.
13283 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13285 * i370-protos.h: New file.
13287 * i370.c: Include tm_p.h. Fix compile time warnings.
13289 * i370.h: Move prototypes to i370-protos.h. Fix compile time
13292 * i370.md: Likewise.
13294 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13296 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
13297 (target_isinf, target_isnan, eisnan): Mark parameter with
13299 (eiisinf): Wrap in INFINITY.
13300 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
13301 (ibmtoe): Remove unused variable `rndsav'.
13303 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13305 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
13306 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
13308 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
13310 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
13311 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
13312 (fix_char_macro_defines, fix_char_macro_uses): New functions.
13314 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
13315 Recognize Emacs mode markers also.
13316 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
13317 C++ comments in C++ headers. Call is_cxx_header only if
13320 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
13321 bypass for ncurses.
13322 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
13323 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
13324 ... these, which use the new C fixes.
13325 (math_exception): Escape literal '+' in bypass expression.
13327 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
13330 2000-01-19 Geoff Keating <geoffk@cygnus.com>
13332 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
13335 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13337 * loop.c (loop_optimize): Allocate loop_info structure for each loop
13338 prior to calling scan_loop.
13340 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13342 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
13343 (split_branches, calc_live_regs): Likewise.
13345 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13347 * sh.md (fpu_single, fp_mode): New attributes.
13349 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13351 * loop.c (current_loop_info): Renamed from loop_info_data
13352 and changed to a pointer.
13353 (loop_optimize): Allocate loop_info structure for each loop
13354 and initialise to zero.
13355 (scan_loop): Set current_loop_info.
13357 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
13360 2000-01-19 Richard Henderson <rth@cygnus.com>
13362 * stupid.c: Die die die.
13363 * Makefile.in (OBJS): Remove stupid.o.
13364 (stupid.o): Likewise.
13366 * except.c (emit_eh_context): Don't emit USEs for stupid.
13367 * explow.c (probe_stack_range): Likewise.
13368 * flags.h (obey_regdecls): Remove.
13369 * flow.c (find_basic_blocks): Don't run try_merge_blocks
13370 when not optimizing.
13371 (life_analysis): Limit data collection when not optimizing.
13372 (mark_regs_live_at_end): Always mark the return value registers.
13373 (mark_used_regs): Remove dummy RETURN case.
13374 (print_rtl_with_bb): Don't consult obey_regdecls.
13375 * function.c (use_variable, use_variable_after): Remove.
13376 (assign_parms): Consult optimize not obey_regdecls.
13377 (expand_function_start): Don't emit USEs for stupid.
13378 (expand_function_end): Likewise.
13379 * global.c (build_insn_chain): Export.
13380 * integrate.c (expand_inline_function): Kill return-value USE
13382 * jump.c (jump_optimize_1): Do simple jump optimizations and
13383 dead code elimination.
13384 (calculate_can_reach_end): Remove check_deleted argument.
13385 (delete_insn): Patch out insns even when not optimizing.
13386 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
13387 * rtl.h (use_variable, use_variable_after): Remove declarations.
13388 (build_insn_chain): Declare.
13389 * stmt.c (expand_value_return): Don't emit USEs for stupid.
13390 (expand_end_bindings): Likewise.
13391 (expand_decl): Likewise. Consult optimize not obey_regdecls.
13392 * toplev.c (obey_regdecls): Remove.
13393 (rest_of_compilation): Don't set it. Kill stupid in favour of
13394 flow1, local-alloc, and reload.
13395 (main): Don't set obey_regdecls.
13397 * config/nextstep.c (handle_pragma): Likewise.
13399 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
13401 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
13403 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13405 * alpha-protos.h: PROTO -> PARAMS.
13406 * alpha.c: Likewise.
13408 * h8300.c: Likewise.
13409 * i386-protos.h: Likewise.
13410 * i386.c: Likewise.
13411 * m32r-protos.h: Likewise.
13412 * m32r.c: Likewise.
13413 * mips.c: Likewise.
13414 * mips.md: Likewise.
13415 * gmon-sol2.c: Likewise.
13416 * sparc.c: Likewise.
13418 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13420 * ns32k-protos.h: New file.
13422 * ns32k.c: Fix compile time warnings.
13424 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
13427 * ns32k.md: Likewise.
13429 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13431 * vax-protos.h: New file.
13433 * vax.c: Fix compile time warnings.
13435 * vax.h: Move prototypes to vax-protos.h. Fix compile time
13438 * vax.md: Likewise.
13440 * vaxv.md: Likewise.
13442 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13444 * romp-protos.h: New file.
13446 * romp.c: Fix compile time warnings.
13448 * romp.h: Move prototypes to romp-protos.h. Fix compile time
13451 * romp.md: Likewise.
13453 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13455 * we32k-protos.h: New file.
13457 * we32k.c: Fix compile time warnings.
13459 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
13462 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13464 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
13466 * except.c (eh_regs): Likewise.
13468 * final.c (output_operand): Likewise.
13470 * fold-const.c (target_isinf, target_isnan): Likewise.
13472 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
13474 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
13475 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
13477 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
13478 when optimize_size.
13479 (clrstrsi): Rewrite.
13480 (strsethi, strsetqi): New expanders.
13481 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
13482 (cmpstrsi): Emit compare insn before cmpstrsi_1
13483 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
13484 (strlensi_1): Likewise.
13485 (cmpstrsi_1): Likewise; do not output compare.
13486 (strlen expander): Do not unroll when optimizing for size.
13487 (*subsi3_carry): Rename to subsi3_carry
13488 (addqi3_cc): New pattern.
13489 * i386.h (processor_costs): Add move_ratio field.
13490 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
13491 * i386.c (*_cost): Set move_ratio.
13492 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
13493 (x86_expand_strlensi_1): Rewrite the main loop.
13495 2000-01-17 Richard Henderson <rth@cygnus.com>
13497 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
13498 * cse.c (find_comparison_args, fold_rtx): Likewise.
13499 * integrate.c (subst_constants): Likewise.
13500 * loop.c (get_condition): Likewise.
13502 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
13504 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
13506 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
13508 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
13509 (RESTORE_WARN_FLAGS): Unpack it.
13510 Change semantic type of extension to ttype.
13511 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
13512 * c-parse.y, c-parse.c, objc/objc-parse.y,
13513 objc/objc-parse.c: Regenerate.
13515 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
13517 * fixinc/fixlib.c: Add copyright notice.
13518 (compile_re): New function.
13519 * fixinc/fixlib.h: Prototype compile_re.
13521 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
13522 Use compile_re to compile regular expressions.
13524 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
13525 where the pattern matched.
13527 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
13529 (ultrix_ansi_compat): Likewise.
13530 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
13532 (interactv_add2, interactv_add3): Delete.
13533 (x11_sprintf): Don't use filename glob.
13534 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
13537 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13539 * print-rtl.c: PROTO -> PARAMS.
13540 * real.c: Likewise.
13541 * reg-stack.c: Likewise.
13542 * resource.c: Likewise.
13543 * sdbout.h: Likewise.
13544 * simplify-rtx.c: Likewise.
13545 * stor-layout.c: Likewise.
13546 * stupid.c: Likewise.
13547 * xcoffout.c: Likewise.
13548 * xcoffout.h: Likewise.
13550 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13552 * toplev.c: PROTO -> PARAMS.
13553 * toplev.h: Likewise.
13554 * tree.c: Likewise.
13555 * tree.h: Likewise.
13556 * unroll.c: Likewise.
13557 * varasm.c: Likewise.
13558 * varray.c: Likewise.
13559 * varray.h: Likewise.
13561 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13563 * reload.c: PROTO -> PARAMS.
13564 * reload.h: Likewise.
13565 * reload1.c: Likewise.
13566 * reorg.c: Likewise.
13567 * resource.h: Likewise.
13570 * rtlanal.c: Likewise.
13571 * sbitmap.h: Likewise.
13572 * sdbout.c: Likewise.
13573 * stack.h: Likewise.
13574 * stmt.c: Likewise.
13575 * system.h: Likewise.
13577 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13579 * machmode.h: PROTO -> PARAMS.
13580 * mbchar.h: Likewise.
13581 * mips-tdump.c: Likewise.
13582 * mips-tfile.c: Likewise.
13583 * optabs.c: Likewise.
13584 * output.h: Likewise.
13585 * prefix.c: Likewise.
13586 * profile.c: Likewise.
13587 * protoize.c: Likewise.
13588 * real.h: Likewise.
13589 * recog.c: Likewise.
13590 * recog.h: Likewise.
13591 * regclass.c: Likewise.
13592 * regmove.c: Likewise.
13593 * regs.h: Likewise.
13595 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13597 * ggc-common.c: PROTO -> PARAMS.
13598 * ggc-page.c: Likewise.
13599 * ggc-simple.c: Likewise.
13601 * global.c: Likewise.
13602 * graph.c: Likewise.
13603 * gthr-win32.h: Likewise.
13604 * haifa-sched.c: Likewise.
13605 * halfpic.h: Likewise.
13606 * integrate.c: Likewise.
13607 * integrate.h: Likewise.
13608 * jump.c: Likewise.
13610 * local-alloc.c: Likewise.
13611 * loop.c: Likewise.
13612 * loop.h: Likewise.
13614 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13616 * genattr.c: PROTO -> PARAMS.
13617 * genattrtab.c: Likewise.
13618 * gencheck.c: Likewise.
13619 * gencodes.c: Likewise.
13620 * genconfig.c: Likewise.
13621 * genemit.c: Likewise.
13622 * genextract.c: Likewise.
13623 * genflags.c: Likewise.
13624 * gengenrtl.c: Likewise.
13625 * genopinit.c: Likewise.
13626 * genoutput.c: Likewise.
13627 * genpeep.c: Likewise.
13628 * genrecog.c: Likewise.
13630 2000-01-16 Mark Mitchell <mark@codesourcery.com>
13632 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
13634 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13636 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
13637 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
13638 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
13639 * configure, config.in: Rebuilt.
13641 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
13643 * config/i386/i386.md: Add peephole to merge successive stack
13646 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
13648 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
13649 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
13650 when walking backwards to find all the parameter loads when
13651 the basic block ends in a call.
13653 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13655 * loop.c (this_loop_info): Delete.
13656 (uid_loop): Add in place of uid_loop_num. All uses updated.
13657 (loop_number_exit_count): Delete and replace with entry in loop
13658 structure. All uses updated.
13659 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
13660 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
13661 (loop_outer_loop): Likewise.
13662 (loop_invalid, loop_number_exit_labels): Likewise.
13663 (loop_used_count_register): Delete and replace with entry in
13664 loop_info structure.
13665 (find_and_verify_loops): Add loops argument.
13666 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
13667 loop_end, etc. arguments with loop structure pointer. All callers
13669 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
13670 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
13671 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
13672 (insert_bct): Likewise.
13673 (basic_induction_var): New argument level.
13674 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
13675 vtop, and cont. Add used_count_register.
13676 (uid_loop): Delete declaration.
13677 (loop_number_exit_count): Likewise.
13678 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
13679 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
13680 (loop_outer_loop, loop_used_count_register): Likewise.
13681 (loop_invalid, loop_number_exit_labels): Likewise.
13682 (unroll_loop): Replace loop_start and loop_end arguments
13683 with loop structure pointer.
13684 (loop_precondition_p, loop_iterations): Likewise.
13685 Include basic-block.h.
13686 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
13687 with loop structure pointer.
13688 (loop_precondition_p, loop_iterations): Likewise.
13689 * basic-block.h (struct loop): New entries vtop, cont,
13690 cont_dominator, start, end, top, scan_start, exit_labels,
13692 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
13694 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
13696 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
13698 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
13700 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
13702 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13704 * pdp11-protos.h: New file.
13706 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
13709 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
13712 * pdp11.md: Likewise.
13714 * 2bsd.h: Likewise.
13716 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13718 * mn10300-protos.h: New file.
13720 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
13723 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
13726 * mn10300.md: Likewise.
13728 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13730 * mn10200-protos.h: New file.
13732 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
13735 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
13738 * mn10200.md: Likewise.
13740 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13742 * h8300-protos.h: New file.
13744 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
13747 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
13750 * h8300.md: Likewise.
13752 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13754 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
13755 (asm_emit_uninitialised): Likewise.
13757 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
13759 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
13760 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
13762 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
13764 * config/mips/mips.c (override_options): Don't turn on extra
13765 alignment for mips16.
13767 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
13769 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
13770 eabi, and make sure queued POSTINCREMENT rtl is emitted at
13773 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
13775 * builtins.c (PAD_VARARGS_DOWN): Define.
13776 (std_expand_builtin_va_arg): Use the above macro.
13777 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
13778 * tm.texi (Register Arguments): Document the above macro.
13780 2000-01-14 Nick Clifton <nickc@cygnus.com>
13782 * emit-rtl.c (emit_insn): If checking is enabled, make sure
13783 that this function has not been used to emit a jump
13786 * jump.c (return_jump_1): Cope with being passed a null rtx.
13788 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13790 * eh-common.h: PROTO -> PARAMS.
13791 * emit-rtl.c: Likewise.
13792 * errors.c: Likewise.
13793 * errors.h: Likewise.
13794 * except.c: Likewise.
13795 * except.h: Likewise.
13796 * explow.c: Likewise.
13797 * expmed.c: Likewise.
13798 * expr.c: Likewise.
13799 * expr.h: Likewise.
13800 * final.c: Likewise.
13801 * fix-header.c: Likewise.
13802 * flow.c: Likewise.
13803 * fold-const.c: Likewise.
13804 * function.c: Likewise.
13805 * function.h: Likewise.
13807 * gcov-io.h: Likewise.
13808 * gcov.c: Likewise.
13809 * gcse.c: Likewise.
13811 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13813 * sh-protos.h: New file.
13815 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
13816 Add static prototypes. Fix compile time warnings.
13818 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
13822 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13824 * arc-protos.h: New file.
13826 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
13829 * arc.h: Move prototypes to arc-protos.h. Fix compile time
13832 * arc.md: Likewise.
13834 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13836 * dsp16xx-protos.h: New file.
13838 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
13841 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
13844 * dsp16xx.md: Likewise.
13846 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13848 * convex-protos.h: New file.
13850 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
13853 * convex.h: Move prototypes to convex-protos.h. Fix compile time
13856 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13858 * elxsi-protos.h: New file.
13860 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
13863 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
13866 * elxsi.md: Likewise.
13868 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
13870 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
13871 case for moving from HI/LO/HI_LO_REG. This makes the behavior
13872 match the comment for MIPS16.
13874 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
13876 * flow.c (split_edge): Do not call set_block_for_insn if we
13877 do not have a basic_block_for_insn structure.
13879 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
13880 and destination functions are 32bit aligned within the trampoline.
13881 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
13882 (TRAMPOLINE_ALIGNMENT): Define.
13884 * cse.c (cse_insn): When changing (set (pc) (reg)) to
13885 (set (pc) (label_ref)), verify the change creates a valid insn.
13887 * fr30.c (call_operand): Tighten and rework to match rules for
13888 call RTL expressions.
13889 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
13890 * fr30.md (call patterns): Improve constraints.
13892 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
13894 * fr30.c (fr30_expand_epilogue): Revert last change.
13895 Use emit_jump_insn for the return insn.
13897 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
13898 Stan Cox <scox@cygnus.com>
13900 * predict.c: New file. Preliminary infrastructure work for static
13901 branch prediction and basic block reordering.
13902 * basic-block.h: Add prototype for estimate_probability.
13903 * Makefile.in: Add rules for predict.o.
13905 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
13907 * fixincludes (va_list): Use __not_va_list__ for the dummy.
13908 * fixinc/*: Likewise.
13910 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13912 * cccp.c: PROTO -> PARAMS.
13913 * cexp.y: Likewise.
13914 * collect2.c: Likewise.
13915 * combine.c: Likewise.
13916 * convert.h: Likewise.
13918 * dbxout.c: Likewise.
13919 * dbxout.h: Likewise.
13920 * diagnostic.c: Likewise.
13921 * doprint.c: Likewise.
13922 * dwarf2out.c: Likewise.
13923 * dwarf2out.h: Likewise.
13924 * dwarfout.c: Likewise.
13925 * dwarfout.h: Likewise.
13926 * dyn-string.h: Likewise.
13928 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13930 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
13931 macro conditionals guarding use.
13933 * dwarf2out.c: Include "tm_p.h".
13935 * function.c (locate_and_pad_parm): Mark parameter with
13937 (expand_function_end): Likewise for variable `context'.
13939 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
13941 2000-01-13 Nick Clifton <nickc@cygnus.com>
13943 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
13944 register to prevent compile time warnings.
13946 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
13948 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
13949 to avoid -Wtraditional warning.
13951 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13953 * 1750a-protos.h: New file.
13955 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
13958 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
13961 * 1750a.md: Likewise.
13963 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13965 * a29k-protos.h: New file.
13967 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
13970 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
13973 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13975 * clipper-protos.h: New file.
13977 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
13980 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
13983 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13985 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
13987 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
13989 * configure.in (--enable-new-gxx-abi): New option.
13990 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
13991 * Makefile.in (GXX_ABI_FLAG): New variable.
13992 * configure: Regenerate.
13994 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13996 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
13997 * tm.texi (FORCE_STRUCT_BLK): Document.
13998 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
14000 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
14002 * config/ns32k/ns32k.md: Revert Jan 9 change.
14004 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
14005 to a mode-test, if the predicate is address_operand.
14007 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
14009 * combine.c (if_then_else_cond): Be careful about what kinds
14010 of RTL expressions are passed to operand_subword.
14012 * flow.c (split_edge): If we have to insert a new jump, make
14013 sure to associate it with a basic block.
14015 * flow.c (commit_one_edge_insertion): A block with one successor
14016 can end in a JUMP_INSN that is not a simplejump.
14018 2000-01-12 Robert Lipe <robertl@sco.com>
14020 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
14021 (BUILD_VA_LIST_TYPE): Define.
14022 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
14025 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
14027 * cccp.c (do_pragma): Add cast to (char *).
14029 2000-01-12 Richard Henderson <rth@cygnus.com>
14030 Fred Fish <fnf@be.com>
14031 Jason Merrill <jason@cygnus.com>
14033 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
14034 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
14035 * i386/beos-elf.h, i386/beos-pe.h: New files.
14037 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
14038 * cross-make (SYSTEM_HEADER_DIR): Define using
14039 CROSS_SYSTEM_HEADER_DIR.
14041 * gcc.c (LIBRARY_PATH_ENV): Provide default.
14042 (process_command): Use it.
14043 (main): Likewise. Kill trailing = from env vars.
14044 (build_search_list): Put it back.
14045 * collect2.c (main): Use LIBRARY_PATH_ENV.
14047 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
14048 * toplev.c: Use NEED_DECLARATION_ENVIRON.
14050 * tm.texi (Frame Layout): Document SMALL_STACK.
14051 * c-common.c (c_common_nodes_and_builtins): Check it.
14053 * system.h: Undef alloca after including glibc's <stdlib.h>,
14054 if USE_C_ALLOCA is defined.
14056 * gcc.c (set_input): New fn.
14057 (main): After all input files are compiled, reset the input file
14060 * aclocal.m4 (rindex, index): If already defined, don't attempt
14063 * ginclude/varargs.h: (__va_list__): Define ifndef.
14064 * ginclude/stdarg.h: Likewise.
14066 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
14067 instead of unsigned char.
14069 * hash.h (true, false, boolean): Undef before enum.
14071 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
14072 proper type of "HOST_WIDE_INT *", rather than their natural type of
14073 "unsigned HOST_WIDE_INT *".
14075 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14077 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
14079 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
14081 * regclass.c (choose_hard_reg_mode): Likewise.
14083 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
14085 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
14087 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14089 * c-common.c: PROTO -> PARAMS.
14090 * c-common.h: Likewise.
14091 * c-decl.c: Likewise.
14092 * c-iterate.c: Likewise.
14093 * c-lang.c: Likewise.
14094 * c-lex.c: Likewise.
14095 * c-lex.h: Likewise.
14096 * c-parse.in: Likewise.
14097 * c-pragma.c: Likewise.
14098 * c-pragma.h: Likewise.
14099 * c-tree.h: Likewise.
14100 * c-typeck.c: Likewise.
14101 * objc/objc-act.c: Likewise.
14102 * objc/objc-act.h: Likewise.
14104 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14106 * m88k-protos.h: New file.
14108 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
14111 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
14113 * m88k.md: Likewise.
14115 * tekXD88.h: Likewise.
14117 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14119 * m68k-protos.h: New file.
14121 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
14124 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
14126 * mot3300.h: Likewise.
14128 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
14130 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
14132 (extract_bitlist): Declare bitlen.
14134 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
14136 * cccp.c: Accept and ignore -lang-fortran.
14138 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
14139 qualifiers don't match at any level of pointerness.
14141 2000-01-12 Robert Lipe <robertl@sco.com>
14143 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
14145 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
14147 * reload1.c (reload_reg_unavailable): New static variable.
14148 (reload_reg_free_p): Test it.
14149 (reload_reg_free_for_value_p): Test it instead of
14151 (choose_reload_regs_init): Compute it.
14153 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
14155 * reorg.c (fill_slots_from_thread): Check modified_in_p
14158 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
14160 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
14161 these nodes even if INTERNALS is not set.
14163 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
14165 * gcse.c (delete_null_pointer_checks_1): Cope when
14166 get_condition cannot determine the condition.
14168 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
14170 * toplev.h (set_message_length): Declare.
14172 * diagnostic.c (obstack_chunk_alloc): Define macro.
14173 (obstack_chunk_free): Likewise.
14174 (struct output_buffer): New data structure.
14175 (vmessage): Remove.
14176 (output_maximum_width): New variable.
14177 (doing_line_wrapping, set_message_length, init_output_buffer,
14178 get_output_prefix, output_space_left, emit_output_prefix,
14179 output_newline, output_append, output_puts, dump_output,
14180 vbuild_message_string, build_message_string, build_location_prefix,
14181 voutput_notice, output_printf, line_wrapper_printf,
14182 vline_wrapper_message_with_location): New functions. Implement
14183 automatic line wrapping.
14184 (v_message_with_decl): Make it handle automatic line wrapping.
14185 (v_error_with_file_and_line): Likewise.
14186 (v_warning_with_file_and_line): Likewise.
14187 (announce_function): Likewise.
14188 (default_print_error_function): Likewise.
14190 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
14192 * cpplib.h (struct cpp_options): Change lang_asm to char.
14194 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
14195 done in cpp_handle_option now.
14196 (initialize_builtins): Take out special case code used only by
14198 (cpp_handle_option): Turn off trigraphs and trigraph warnings
14199 if -traditional. Recognize -lang-fortran and set
14200 lang_fortran, also turn off cplusplus_comments.
14201 (print_help): Document -lang-fortran.
14202 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
14203 lang_asm. Ignore all directives other than `# 123 "file"' if
14205 (cpp_get_token): If -traditional, don't recognize directives
14206 unless the # is in column 1.
14207 (parse_string): If lang_fortran or lang_asm, silently
14208 terminate strings ('' or "") at end of line.
14209 Remove unnecessary braces.
14211 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14212 Richard Henderson <rth@cygnus.com>
14214 * resource.c (mark_referenced_resources): Mark a set strict_low_part
14216 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
14217 strict_low_part when possible.
14219 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14221 * alias.c: PROTO -> PARAMS.
14222 * basic-block.h: Likewise.
14223 * bitmap.c: Likewise.
14224 * bitmap.h: Likewise.
14225 * builtins.c: Likewise.
14226 * c-aux-info.c: Likewise.
14227 * caller-save.c: Likewise.
14228 * calls.c: Likewise.
14230 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14232 * Makefile.in (toplev.o): Depend on regs.h.
14234 * output.h (tdesc_section): Prototype.
14236 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
14238 * sdbout.c: Include "tm_p.h".
14240 * toplev.c: Include "regs.h".
14242 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
14244 * unroll.c (unroll_loop): Add EH support.
14246 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14248 * pa-protos.h: New file.
14250 * pa.c: Include recog.h and tm_p.h.
14251 (compute_zdepwi_operands, compute_movstrsi_length,
14252 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
14253 find_addr_reg, import_milli): Add static prototypes.
14254 (pa_cpu_string, pa_arch_string): Constify a char*.
14255 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
14256 (read_only_operand): Add argument `mode'.
14257 (singlemove_string, output_move_double, output_fp_move_double,
14258 output_block_move, output_and, output_ior, output_ascii,
14259 remove_useless_addtr_insns, milli_names, output_mul_insn,
14260 output_div_insn, output_mod_insn, output_arg_descriptor,
14261 output_cbranch, output_bb, output_bvb, output_dbra, ,
14262 output_millicode_call, output_call, hppa_encode_label,
14263 output_parallel_movb, output_parallel_addb): Constify a char*.
14264 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
14265 (output_parallel_addb): Remove extra arg to `constrain_operands'
14267 * pa.h: Move all prototypes to pa-protos.h.
14268 (pa_cpu_string, pa_arch_string): Constify a char*.
14269 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
14271 * pa.md: Call `function_label_operand' with mode argument.
14272 Likewise for `read_only_operand'.
14273 Fix nesting of parens in call to `symbolic_operand'.
14275 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14277 * i860-protos.h: New file.
14279 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
14282 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
14284 * i860.md: Likewise.
14286 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
14288 * i386.md (movstrsi expander): Rewrite.
14289 (movstrsi_1 insn): Deleted.
14290 (strmovhi, strmovqi expander): New expanders.
14291 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
14292 * i386.c (x86_single_stringop): New global variable.
14293 * i386.h (x86_single_stringop): Declare.
14294 (TARGET_SINGLE_STRINGOP): New macro.
14296 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
14298 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
14299 integer vararg POSTINCREMENT before the destination of the jump
14300 for the hard fp case.
14301 (function_arg_pass_by_reference): Pass a copy of CUM to
14304 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
14305 for CONSTANT_ADDRESS_P above while loop for subreg.
14307 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
14309 * flow.c (propagate_block): When a prologue/epilogue insn
14310 is marked dead, unconditionally clear libcall_is_dead and
14311 insn_is_dead, and only dump rtl if warnings aren't being
14314 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
14316 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
14317 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
14318 (FIXED_REGISTERS): Set dirflag as fixed.
14319 (CALL_USED_REGISTERS): Set dirflag as used.
14320 (REG_ALLOC_ORDER): Set dirflag as last one.
14321 (DIRFLAG_REG): New macro.
14322 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
14323 (HI_REGISTER_NAMES): Add dirflag.
14324 (DEBUF_PRINT_REG): Handle dirflag.
14325 * i386.md (type attribute): New cld and str types.
14326 (length_opcode attribute): Set cld and str to 1.
14327 (memory attribute): Set str to unknown - it is not clear from the
14329 (pent_np function unit): Prefixed string operations takes 12 cycles
14330 minimally; cld takes 2 cycles.
14331 (ppro_uops attribute): Str is "many" and cld is "few".
14332 (ppro_p0 unit): Handle cld here.
14333 (k6_alux unit): Handle cld and str types.
14334 (k6_load unit): It is ocupied by str opcodes.
14335 (k6_store unit): It is ocupied by str opcodes.
14336 (athlon_decode): Str is vector decoded.
14337 (athlon_ieu): Handle str and cld.
14338 (cld pattern): New.
14339 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
14340 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
14341 cmpstrsi_nz_1 insn): Do not output cld instruction
14343 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
14345 * gcc.texi (G++ and GCC): Add Java and Chill.
14346 (Bug Critera): Don't list languages.
14348 * gcc.texi (Incompatibilities): No longer claim most C compilers
14351 * gcc.texi (G++ and GCC): Update other front-ends list.
14353 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
14355 * i386.c (ix86_expand_setcc): Fix typo.
14356 (ix86_expand_movcc): Similarly.
14358 * Band-aid until haifa's bitset implementation is nuked.
14359 * haifa-sched.c (extract_bitlst): New parameter for size of the
14360 bitset in bits. All callers changed. Avoid looking at undefined
14361 bits in the bitset.
14362 (edgeset_bitsize): New variable.
14363 (schedule_region): Initialize edgeset_bitsize.
14365 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14367 * Makefile.in (optabs.o): Depend on real.h
14368 (resource.o): Depend on insn-attr.h
14370 * builtins.c (result_vector): Wrap prototype in macro conditions
14371 governing definition and use.
14373 * c-common.c: Include tm_p.h.
14375 * c-lex.c: Likewise.
14377 * elfos.h: Constify a char*.
14379 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
14380 (get_attr_length, shorten_branches, profile_after_prologue): Mark
14381 parameter with ATTRIBUTE_UNUSED.
14383 * fold-const.c (exact_real_inverse): Wrap variable `i' in
14386 * haifa-sched.c (schedule_insns): Mark parameter with
14389 * optabs.c: Include real.h.
14391 * real.h (ereal_atof): Add prototype arguments.
14393 * resource.c: Include insn-attr.h.
14395 * sdbout.c (sdbout_queue_anonymous_type,
14396 sdbout_dequeue_anonymous_types): Wrap in macro
14397 SDB_ALLOW_FORWARD_REFERENCES.
14398 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
14401 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
14403 * stupid.c: Include tm_p.h.
14405 * tree.c (real_value_from_int_cst): Mark parameter with
14408 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14410 * i960-protos.h: New file.
14412 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
14415 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
14417 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14419 * combine.c (expand_field_assignment): Do not discard SUBREGs
14420 while computing nonzero_bits.
14422 2000-01-09 Nick Clifton <nickc@cygnus.com>
14424 * config/arm/arm.c: Fix compile time warnings about signed vs
14425 unsigned constants.
14426 * config/arm/arm.h: Fix compile time warnings about signed vs
14427 unsigned constants.
14429 2000-01-09 Philip Blundell <philb@gnu.org>
14431 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
14432 than `ldm' with only one register.
14433 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
14436 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
14439 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
14441 * config/ns32k/ns32k.md (load or push effective address): Operand 1
14444 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14446 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
14447 assignment used as truth value.
14449 * function.c (assign_temp): Mark parameter `dont_promote' with
14450 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
14451 PROMOTE_FOR_CALL_ONLY.
14453 * genrecog.c (write_subroutine): Mark variable `operands' with
14456 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
14459 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
14460 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
14462 * toplev.c (note_deferral_of_defined_inline_function): Likewise
14465 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14467 * config/c4x.h: Tidy up comments.
14468 * config/c4x.c: Likewise.
14470 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
14472 * fold-const.c (lshift_double, rshift_double): Handle
14473 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
14475 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14477 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
14478 in prepare_function_start().
14480 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
14482 * config/v850/v850.c (expand_epilogue): Interrupt functions no
14483 longer allocate extra stack for function calls.
14485 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14487 * config/c4x/c4x.md (*subqf3_set): Fix typo.
14489 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14491 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
14493 2000-01-07 David Edelsohn <edelsohn@gnu.org>
14495 * rs6000.c (processor_target_table): Add power3 as alias for 630.
14496 * aix43.h: Revert Aug 2 change.
14497 (HAS_INIT_SECTION): Define, not visible yet.
14498 (LD_INIT_SWITCH): Define, not visible yet.
14499 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
14501 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
14503 * collect2.c (main): Expand ld2 size further.
14504 (export_object_lst): Cast assignment to avoid warning.
14505 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
14506 (scan_prog_file, COFF): Do not collect initialization or
14507 finalization functions generated for entire shared object if
14508 init/fini support present.
14510 2000-01-07 Nick Clifton <nickc@cygnus.com>
14512 * config/elfos.h: Tidy up formatting of marcos. Make sure
14513 that .section directives are always prefixed by a tab.
14515 * config/svr4.h: Add #include "elfos.h" and remove duplicate
14518 2000-01-07 Matt Austern <austern@sgi.com>
14520 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
14523 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
14525 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
14527 (crtbegin.o, s-crtS): Likewise.
14529 2000-01-06 Richard Henderson <rth@cygnus.com>
14531 * alpha.md (adddi_2+1): Limit offset such that it will be
14532 loadable with a single ldah+lda pair.
14533 (adddi_2+2): Explicitly fail split if we can't make it work.
14535 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
14537 * protoize.c: Conditionally include unistd.h.
14538 (IS_SAME_PATH_CHAR): New macro.
14539 (IS_SAME_PATH): New macro.
14540 (CPLUS_FILE_SUFFIX): New macro.
14541 (cplus_suffix): New static variable.
14542 (is_abspath): New static function.
14543 (in_system_include_dir): Handle DOS style pathnames.
14544 (file_could_be_converted): Likewise.
14545 (file_normally_convertible): Likewise.
14546 (directory_specified_p): Likewise.
14547 (file_excluded_p): Likewise.
14548 (abspath): Likewise.
14549 (shortpath): Likewise.
14550 (referenced_file_is_newer): Likewise.
14551 (save_def_or_dec): Likewise.
14552 (do_processing): Likewise.
14554 (edit_file): Likewise. Use rename instead of link.
14555 (rename_c_file): Likewise. Don't rename syscalls file.
14556 (munge_compile_params): Define null device for DOS based systems.
14557 (process_aux_info_file): Use binary mode if appliable.
14558 (edit_file): Likewise.
14559 * invoke.texi (Running Protoize): Document C++ suffixes used.
14561 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
14562 IS_DIR_SEPARATOR macros.
14563 * collect2.c: Likewise.
14564 * cppinit.c: Likewise.
14565 * dwarf2out.c: Likewise.
14567 * gcov.c: Likewise.
14568 * prefix.c: Likewise.
14570 * toplev.c: Likewise.
14571 * system.h: And move to here.
14573 * prefix.c (update_path): Fix typo in variable name.
14575 2000-01-06 Richard Henderson <rth@cygnus.com>
14577 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
14578 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
14579 (count_reg_sets_1, count_reg_references): Likewise.
14580 (flow_loops_level_compute): Start counting actual loop depth at 1.
14581 (flow_loops_find): Likewise.
14582 * local-alloc.c (update_equiv_regs): Likewise.
14583 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
14585 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
14587 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
14588 FIRST_PSEUDO_REGISTER
14589 * dwarf2out.c: Don't include frame.h
14590 * dwarfout.c: Likewise
14591 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
14594 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
14596 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
14599 * i386.c (movsf splitter): Fix typo in my last checkin.
14601 2000-01-05 Nick Clifton <nickc@cygnus.com>
14603 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
14604 own definition of this macro.
14605 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
14606 flag_data_sections or UNIQUE_SECTION_P are true.
14608 * tm.texi (UNIQUE_SECTION): Document that it can be called for
14609 unitialised data decls.
14611 * config/i386/winnt.c (i386_pe_unique_section): Cope with
14612 being called for uninitialised data.
14614 * config/i386/interix.c (i386_pe_unique_section): Cope with
14615 being called for uninitialised data.
14617 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
14618 for uninitialised data.
14620 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
14621 for uninitialised data.
14623 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
14624 for uninitialised data.
14626 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
14627 (UNIQUE_SECTION_P): Always generate a unique section if
14628 flag_data_sections is true.
14629 (UNIQUE_SECTION): Also generate unique sections for
14630 uninitialised data.
14631 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
14632 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
14635 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14637 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
14640 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14642 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
14643 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
14644 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
14645 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
14646 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
14648 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
14650 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
14652 * c-decl.c (finish_enum): Simplify code to determine minimum and
14653 maximum values of the enum, and calculate the type. Remove check
14654 for FUNCTION_DECLs in the values list, which cannot happen. Replace
14655 the DECL_INITIAL of each enumeration constant with a copy converted
14656 to the enumeration type. When updating variant types, don't bother
14657 updating the type itself.
14659 * c-typeck.c (build_binary_op): Simplify conditional expressions
14660 when weeding out spurious signed-unsigned warnings. Add new
14661 spurious warning category: if the unsigned quantity is an enum
14662 and its maximum value fits in signed_type(result_type). Update
14664 (build_conditional_expr): Warn here if one alternative is signed
14665 and the other is unsigned.
14667 2000-01-05 Nick Clifton <nickc@cygnus.com>
14669 * config/fr30/fr30.h: Remove extraneous comments.
14671 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
14673 * reload1.c (choose_reload_regs): When disabling a reload, also
14674 set reload_spill_index to -1.
14676 2000-01-04 Joel Sherrill (joel@OARcorp.com>
14678 * configure.in (m68*-*-rtemscoff*): New target, formal name for
14680 (m68*-*-rtemself*): New target.
14681 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
14682 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
14683 (sparc*-*-rtemself*): New target.
14684 (sparc*-*-rtems*): Now elf not a.out.
14685 * config/i386/rtems.h: Include config/rtems.h.
14686 * config/i386/rtemself.h: Include config/rtems.h.
14687 * config/i960/rtems.h: Include config/rtems.h.
14688 * config/m68k/rtems.h: Include config/rtems.h.
14689 * config/m68k/rtemself.h: Include config/rtems.h.
14690 * config/mips/rtems64.h: Include config/rtems.h.
14691 * config/pa/rtems.h: Include config/rtems.h.
14692 * config/rs6000/rtems.h: Include config/rtems.h.
14693 * config/sh/rtems.h: Include config/rtems.h.
14694 * config/sh/rtemself.h: Include config/rtems.h.
14695 * config/sparc/rtems.h: Include config/rtems.h.
14696 * config/sparc/rtemself.h: Include config/rtems.h
14698 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
14700 * final.c (shorten_branches): Correctly compute length of
14701 asms without operands.
14703 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
14705 * configure.in: Add pj target.
14706 * configure: Regenerate.
14707 * config/pj: New directory.
14708 * config/pj/lib1funcs.S: New file.
14709 * config/pj/linux.h: New file.
14710 * config/pj/pj.c: New file.
14711 * config/pj/pj.md: New file.
14712 * config/pj/pjl.h: New file.
14713 * config/pj/t-pj: New file.
14714 * config/pj/xm-pj.h: New file
14716 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
14718 * toplev.c (rest_of_compilation): Run shorten-branches before
14721 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14723 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
14724 macros so that they're consistent with their names.
14725 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
14726 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
14728 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14730 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
14731 modified inadvertently.
14733 2000-01-04 Joel Sherrill <joel@OARcorp.com>
14735 * configure.in (v850*-*-rtems*): New target.
14736 * configure: Regenerate.
14737 * config/v850/rtems.h: New file.
14739 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
14741 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
14742 (__gthread_key_create): Likewise.
14743 (__gthread_key_dtor): Likewise.
14744 (__gthread_once): Fix logic.
14745 (__gthread_key_delete): Cast away constness.
14747 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
14748 * invoke.texi: Document.
14749 * i386/mingw32.h (CPP_SPEC): Use.
14750 (LIBGCC_SPEC): Likewise.
14751 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
14753 2000-01-04 David Edelsohn <edelsohn@gnu.org>
14755 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
14756 (HANDLE_PRAGMA_PACK): Undefine.
14757 (SLOW_UNALIGNED_ACCESS): Define.
14759 2000-01-04 David Edelsohn <edelsohn@gnu.org>
14761 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
14762 to default definition.
14763 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
14764 (store_fixed_bit_field): Call macro with word_mode and alignment.
14765 (extract_bit_field): Call macro with relevant mode and alignment.
14766 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
14767 to default definition.
14768 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
14770 (move_by_pieces_ninsns): Likewise.
14771 (clear_by_pieces): Likewise.
14772 (emit_push_insn): Likewise.
14773 (store_field): Call macro with relevant mode and alignment.
14774 (expand_expr): Likewise.
14775 (expand_expr_unaligned): Likewise.
14777 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
14778 (SLOW_UNALIGNED_ACCESS): Define.
14779 (CASE_VECTOR_MODE): Always use 32-bit offsets.
14780 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
14781 (EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
14782 (toc_section): Likewise and .toc pseudo-op.
14783 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
14785 (TEXT_SECTION_ASM_OP): Likewise.
14786 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
14789 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
14790 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
14791 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
14792 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
14793 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
14795 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
14797 * regclass.c: Revert my Jan 4 change to loop cost computation.
14799 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
14801 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
14804 2000-01-04 Stan Cox <scox@cygnus.com>
14806 * haifa-sched.c (build_control_flow): Change unreachable simple
14807 loop test to check if current block has only one predecessor.
14808 (find_rgns): Initialize degree. Use dest as degree index, not src.
14810 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14812 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
14814 * calls.c (expand_call): Likewise for
14815 `old_stack_arg_under_construction'.
14817 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
14819 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
14822 * gcc.c (execute): Likewise for `ut' and `st'.
14824 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
14826 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
14828 * jump.c (jump_optimize_1): Likewise for `temp2'.
14830 * local-alloc.c (block_alloc): Likewise for `r1'.
14832 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
14834 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
14835 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
14837 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
14840 * reload.c (find_reloads): Likewise for `goal_alternative_number'
14841 and `goal_earlyclobber'.
14843 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
14845 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
14847 * stupid.c (stupid_life_analysis): Likewise for `chain'.
14849 * unroll.c (copy_loop_body): Likewise for `copy'.
14851 * varasm.c (output_constructor): Likewise for `byte'.
14853 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
14855 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
14856 all FP constants for constant->reg moves.
14857 (ix86_split_to_parts): Try to convert memory address into immediate
14858 when available in the constant pool.
14859 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
14861 (LEGITIMATE_CONSTANT_P): Return 1.
14862 * i386.md (pushsf): New splitter to convert constant pool memory
14863 reference to immediate.
14864 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
14867 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
14869 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
14870 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
14871 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
14872 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
14873 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
14875 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
14877 * ginclude/stdbool.h: Support compilation as C++.
14879 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14881 * fold-const.c (make_range): Don't try to reverse an unbounded range.
14883 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
14885 * regclass.c (regclass): Properly compute loop_cost. Adjust
14888 * regclass.c: Fix minor whitespace problems.
14890 2000-01-03 Anthony Green <green@cygnus.com>
14892 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
14893 Restore the pic register if required.
14895 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
14897 * c-common.c (format_char_info): Update comment.
14898 (check_format_info): Recognize 'z' modifier in the same way 'Z'
14899 was recognized. Emit warning for formats new in ISO C99 only
14900 if flag_isoc9x is not set.
14902 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
14904 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
14906 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
14908 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
14909 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
14910 (make_compound_operation): Choose cheaper alternative between
14911 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
14913 * regclass.c (op_costs): Remove global variable.
14914 (record_reg_classes): New parameter "op_costs" and "reg_pref".
14915 (record_operand_costs): Break out from ...
14916 (scan_one_insn): ... here.
14917 (dump_regclass): Make dumps nicer.
14918 (regclass): Dump preferrences choosed and changes done during passes.
14920 2000-01-03 Jakub Jelinek <jakub@redhat.com>
14922 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
14924 2000-01-03 Jakub Jelinek <jakub@redhat.com>
14926 * config/sparc/sparc.c (gen_df_reg): New function.
14927 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
14928 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
14929 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
14930 movtf_cc_reg_sp64+1): Use it.
14932 2000-01-02 Mark Mitchell <mark@codesourcery.com>
14934 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
14935 copied LABEL_DECLs.
14937 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
14939 * config/i386/i386.c (ix86_expand_unary_operator): Function
14940 definition made void.
14941 (ix86_expand_binary_operator): Update outdated preceding comment.
14942 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
14945 * config/i386/i386.c (override_options): Fix option-name typo.
14947 2000-01-02 Mark Mitchell <mark@codesourcery.com>
14949 * system.h (CEIL): Define.
14950 * builtins.c (CEIL): Remove.
14951 * expmed.c (CEIL): Likewise.
14952 * expr.c (CEIL): Likewise.
14953 * stor-layout.c (CEIL): Likewise.
14955 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
14957 * expr.c (store_constructor_field): Fix typo introduced with last
14960 2000-01-01 Mark Mitchell <mark@codesourcery.com>
14962 * tree.h (BINFO_N_BASETYPES): New macro.
14964 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
14966 * expmed.c (emit_store_flag): Prevent losing a pending stack
14967 adjust the same way we prevent losing queued increments.
14969 See ChangeLog.2 for earlier changes.
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