1 Mon Nov 27 17:29:44 2000 kaz Kojima <kkojima@rr.iij4u.or.jp>
3 * gcc/config/sh/sh.md (udivsi3_i4, udivsi3_i4_single): Clobber
6 2000-11-27 Richard Earnshaw <rearnsha@arm.com>
8 * arm.c (select_dominance_cc_mode): Handle new way that combine
9 canonicalizes conditional compares.
10 (arm_select_cc_mode): Likewise.
11 * arm.md: Garbage collect some dead code.
12 (cmp_and, cmp_ior): New patterns.
13 (splitter for conditional move with inverted false): Use cond_exec
14 and handle unordered comparisons.
16 Mon Nov 27 17:22:56 MET 2000 Jan Hubicka <jh@suse.cz>
18 * i386.c (ix86_force_to_memory, ix86_free_from_memory): New.
19 * i386-protos.h (ix86_force_to_memory, ix86_free_from_memory): Declare
20 * i386.md (float?i?f, int/fp operations): Rewrite spliters to use
21 ix86_force_to_memory and ix86_free_from_memory.
23 2000-11-27 Richard Earnshaw <rearnsha@arm.com>
25 * arm.md (arm_adddi3, adddi_sesidi_di, adddi_zesidi_di, arm_addsi3,
26 arm_subsi3_insn, anddi_zesidi_di, arm_andsi3_insn, anddi_notdi_di,
27 anddi_notzesidi_di, anddi_notsesidi_di, arm_iorsi3,
28 one_cmpldi2): Merge with splitters to create define_insn_and_split
29 patterns. Remove redundant splits.
30 (peephole2 for add:SI of invalid immediate): New.
31 (peephole2 for minus:SI of invalid immediate): New.
32 (peephole2 for ior:SI of invalid immediate): New.
33 (peephole for merge of move and compare): Convert ot peephole2.
34 (addsf3, adddf3): Mark as commutative.
36 * arm.md (thumb peephole for merging stack adjustments): Convert to
39 2000-11-27 Bernd Schmidt <bernds@redhat.co.uk>
41 * haifa-sched.c (print_pattern): Prettier output for COND_EXEC.
43 * reload1.c (reload_cse_simplify_set): Pass down mode to cselib_lookup.
44 (reload_cse_simplify_operands): Do nothing about operands where both
45 the operand and the match_operand fail to give us a mode.
46 * simplify-rtx.c (wrap_constant): New function.
47 (entry_and_rtx_equal_p): Except integer constants to come wrapped in a
48 CONST describing the proper mode.
49 (rtx_equal_for_cselib_p): Pass down modes to recursive calls of
51 (cselib_lookup_mem): Call wrap_constant on the rtx that is passed to
52 htab_find_slot_with_hash.
53 (cselib_lookup): Likewise.
55 Based on a patch from Geoff Keating <geoffk@redhat.com>:
56 * loop.c (basic_induction_var): If a REG is set from something
57 that is not a biv, then the REG is not a biv. Even if it is
58 earlier set from something that is a biv.
60 2000-11-27 Alexandre Oliva <aoliva@redhat.com>
62 * configure.in (extra_objs): Enclose extra_headers in quotes.
65 2000-11-27 Neil Booth <neilb@earthling.net>
67 * c-lex.c (cb_enter_file, cb_leave_file, cb_rename_file):
68 Combine into the new function cb_change_file.
70 * cppfiles.c (stack_include_file): Use _cpp_do_file_change.
71 (cpp_syshdr_flags): Delete.
72 * cpphash.h (_cpp_do_file_change): New prototype.
73 Move struct cpp_buffer here from...
74 * cpplib.h (struct cpp_buffer): ... here.
75 (enum cpp_fc_reason, struct cpp_file_loc,
76 struct_cpp_file_change, change_file): New.
77 (enter_file, leave_file, rename_file, cpp_syshdr_flags): Delete.
78 * cpplib.c (do_line): Update for new cb_change_file callback.
79 (_cpp_do_file_change): New function.
80 (_cpp_pop_buffer): Update to use it.
81 * cppmain.c (move_printer): Delete.
82 (main): Set up single callback cb_change_file.
83 (cb_enter_file, cb_leave_file, cb_rename_file): Delete.
84 (cb_change_file): New.
85 * fix-header.c (cur_file, cb_change_file): New.
86 (recognized_function, read_scan_file): Update.
87 * scan-decls.c (scan_decls): Update.
88 * scan.h (recognized_function): Update prototype.
90 2000-11-26 Mark Mitchell <mark@codesourcery.com>
92 * tree.h (mark_tree_hashtable): New function.
93 * tree.c (mark_tree_hashtable_entry): New function.
94 (mark_tree_hashtable): Likewise.
96 2000-11-27 Michael Meissner <meissner@redhat.com>
98 * d30v-protos.h (srelational_si_operator): Correctly spell
100 (urelational_si_operator): Ditto.
101 (relational_si_operator): Ditto.
102 (d30v_expand_prologue): Add prototype.
103 (d30v_expand_epilogue): Ditto.
105 * d30v.h (OPTIMIZATION_OPTIONS): Undo November 22nd change.
107 * d30v.md (movcccc_*): Delete now unused patterns.
108 (64 bit comparison splitters): Rewrite to use COND_EXEC instead of
110 (define_cond_exec): Use 'b' to select branch flags.
112 2000-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
114 * builtins.c (expand_builtin_strncmp, expand_builtin_strncpy): New
116 (expand_builtin): Handle BUILT_IN_STRNCPY and BUILT_IN_STRNCMP.
118 * builtins.def (BUILT_IN_STRNCPY, BUILT_IN_STRNCMP): New entries.
120 * c-common.c (c_common_nodes_and_builtins): Declare builtin
123 * extend.texi (strncmp, strncpy): Document new builtins.
125 2000-11-26 Mark Mitchell <mark@codesourcery.com>
127 * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Use a hash table, not
128 a list, to keep track of the sections.
129 * tm.texi (ASM_OUTPUT_SECTION_NAME): Document the fact that the
130 parameter provided will always be a canonical string.
132 2000-11-26 Neil Booth <neilb@earthling.net>
134 * cppmacro.c (cpp_scan_buffer_nooutput): Only scan the
137 2000-11-26 Joseph S. Myers <jsm28@cam.ac.uk>
139 * makefile.vms: Remove EGCS references.
141 2000-11-26 Ulrich Drepper <drepper@redhat.com>
143 * dwarf2out.c (output_file_names): New function. Compute minimal
144 combination of directory and file name table and emit them.
145 (output_line_info): Remove code to emit directory and file name
146 table and call output_file_names instead.
147 (file_info_cmp): Helper function to sort directory names.
149 2000-11-26 Neil Booth <neilb@earthling.net>
151 * cpplib.h (struct cpp_reader): Remove lang_asm.
152 (struct cpp_options): Remove c89. New members lang,
154 * cppexp.c (parse_number): Use them.
155 * cpphash.h (VALID_SIGN): Use them.
156 * cppinit.c (set_lang, cpp_start_read): Update.
157 * cpplex.c (parse_string, _cpp_lex_token): Update.
158 * cpplib.c (_cpp_handle_directive): Update.
159 * cppmacro.c (parse_args): Update.
160 * cppmain.c (scan_buffer): Update.
162 Sun Nov 26 10:02:37 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
164 * fold-const.c (fold, case CONVERT_EXPR): Always return tree of
167 2000-11-26 Neil Booth <neilb@earthling.net>
169 * Makefile.in: Remove MAYBE_CPPLIB and maybe_cpplib.
170 * c-decl.c: Remove parse_in declaration.
171 * c-lang.c: Similarly.
172 * c-lex.c: Similarly.
173 * c-parse.in: Similarly.
174 * c-pragma.c: Similarly.
175 * configure.in: Similarly.
176 * cp/Make-lang.in: Similarly.
177 * cp/spew.c: Similarly.
178 * cp/decl2.c: Remove check for lang-c++ option.
179 * cp/lang-specs.h: Remove -lang-c++ from cc1plus command line.
180 * cp/lex.c (lang_init_options): With cpp_reader_init, default to C++.
181 * c-lex.h: Add declaration of parse_in.
182 * cppinit.c: Call set_lang after allocating pfile->pending.
183 * configure: Regenerate.
185 2000-11-25 Zack Weinberg <zack@wolery.stanford.edu>
187 * combine.c (try_combine): Remove redundant test.
189 2000-11-25 Richard Henderson <rth@redhat.com>
191 * c-common.h (DECL_C_HARD_REGISTER): New.
192 * c-decl.c (finish_decl): Set it for asm register variables.
193 * c-semantics.c (emit_local_var): Test it when instantiating one.
195 2000-11-25 Richard Henderson <rth@redhat.com>
197 * c-decl.c (c_expand_body): Use DECL_SOURCE_LINE rather than
198 lineno for the start of the function.
200 2000-11-25 Richard Henderson <rth@redhat.com>
202 * dwarf2out.c (file_table, file_table_allocated): Remove.
203 (file_table_allocated): Remove.
204 (struct file_table): New.
205 (decl_file_table, line_file_table): New.
206 (print_dwarf_line_table): Use them.
207 (size_of_line_prolog): Likewise.
208 (output_line_info): Likewise.
209 (add_src_coords_attributes): Likewise.
210 (gen_subprogram_die): Likewise.
211 (gen_variable_die): Likewise.
212 (dwarf2out_add_library_unit_info): Likewise.
213 (dwarf2out_line): Likewise.
214 (lookup_filename): Take a struct file_table argument.
215 (init_file_table): New.
216 (dwarf2out_init): Use it.
218 2000-11-25 Joseph S. Myers <jsm28@cam.ac.uk>
220 * invoke.texi: Update sequence points references.
222 2000-11-25 Neil Booth <neilb@earthling.net>
224 * c-common.c: Remove USE_CPPLIB conditional inclusions.
225 * c-common.h: Similarly.
226 * c-decl.c: Similarly.
227 * c-lang.c: Similarly.
228 * c-lex.c: Similarly.
229 * c-parse.in: Similarly.
230 * c-pragma.c: Similarly.
231 * c-pragma.h: Similarly.
233 * toplev.c: Similarly.
234 * cp/cp-tree.h: Similarly.
235 * cp/decl2.c: Similarly.
236 * cp/lang-specs.h: Similarly.
237 * cp/lex.c: Similarly.
238 * cp/lex.h: Similarly.
239 * cp/spew.c: Similarly.
240 * java/lang-options.h: Similarly.
241 * objc/lang-specs.h: Similarly.
242 * objc/objc-act.c: Similarly.
244 * configure.in: Remove configure option.
245 * config.in: Regenerate.
246 * configure: Regenerate.
248 2000-11-25 Richard Henderson <rth@redhat.com>
250 * haifa-sched.c (sched_analyze_1, sched_analyze_2, sched_analyze):
251 Revert 2000-11-22 change.
253 2000-11-25 Bernd Schmidt <bernds@redhat.co.uk>
255 * config/i386/i386.h (FIXED_REGS): Make the three flags registers
258 2000-11-25 Philipp Thomas <pthomas@suse.de>
259 * configure.in (ALL_LINGUAS): Remove en_GB and add sv.
260 * configure: Rebuilt.
262 2000-11-25 Jakub Jelinek <jakub@redhat.com>
264 * config/sparc/sparc.md (muldi3_v8plus): Remove H constraint.
265 Handle CONST_INT as second argument.
266 * config/sparc/sparc.c (set_extends): Remove first argument.
267 Properly handle AND, CONST_INT and CONST_DOUBLE, handle IOR, XOR and
269 (sparc_check_64): Abort if first argument is not REG.
270 If it is DImode REG, look at the lower register of the register
273 * config/sparc/sparc.c (load_pic_register, restore_regs,
274 output_return, sparc_v8plus_shift, sparc_function_profiler,
275 sparc_function_block_profiler, sparc_block_profiler): Fix output
278 2000-11-25 Alexandre Oliva <aoliva@redhat.com>
280 * config/sh/sh.h (TARGET_NONE): New.
281 (TARGET_SWITCHES): For all variant-selecting switch, use
282 TARGET_NONE to reset all other variant-selecting switch. Added
283 empty strings to avoid warnings.
284 (TARGET_DEFAULT): Set to SH1_BIT.
286 * Makefile.in ($(INTL_TARGETS)): Added $(CONFIG_H) for
289 * gcc/config/sh/sh.md (sibcalli, sibcalli_pcrel): New insns.
290 (sibcall_pcrel): New insn_and_split.
291 (sibcall, sibcall_value, sibcall_epilogue): New expands.
293 * config/sh/sh.md (GOTaddr2picreg, symGOT2reg, symGOTOFF2reg,
294 symPLT_label2reg, call, call_value): Don't set
295 current_function_uses_pic_offset_table.
296 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Don't mark
297 PIC_OFFSET_TABLE_REGNUM as call_used, so that calc_live_regs
298 takes it into account.
299 (FINALIZE_PIC): Delete, useless.
300 (LEGITIMATE_CONSTANT_P): Delete, unused.
301 * config/sh/sh.c (sh_expand_prologue): Don't use
302 current_function_uses_pic_offset_table. Don't special-case
303 PIC_OFFSET_TABLE_REGNUM. Initialize it if it's ever live and
305 (sh_expand_epilogue, initial_elimination_offset): Don't
306 special case PIC_OFFSET_TABLE_REGNUM.
308 2000-11-25 Alexandre Oliva <aoliva@redhat.com>, NIIBE Yutaka <gniibe@m17n.org>
310 * config/sh/sh-protos.h (symbol_ref_operand): Declare.
311 * config/sh/sh.md (UNSPEC_CALLER): New constant.
312 (calli_pcrel, call_valuei_pcrel): Use PIC_REG.
313 (call_pcrel, call_value_pcrel): New insn_and_splits.
314 (call, call_value): Use them.
315 (call_site): New expand.
316 (sym_label2reg, symPLT_label2reg): Adjust to hold call_sites.
317 * config/sh/sh.h (OUTPUT_ADDR_CONST_EXTRA) [UNSPEC_CALLER]:
318 Output call_site label.
319 (PREDICATE_CODES): Added symbol_ref_operand.
320 * config/sh/sh.c (symbol_ref_operand): Define.
321 * emit-rtl.c (try_split): Propagate CALL_INSN_FUNCTION_USAGE
322 to CALL_INSNs in the split sequence.
324 2000-11-24 Nick Clifton <nickc@redhat.com>
326 * config.gcc (v850-*-*): Define c_target_objs and
329 * config/v850/t-v850: Define how to build v850-c.o
331 * config/v850/v850.h (struct data_area_stack_element): Move
332 definition here from v850.c.
334 * config/v850v850.c: Include gcc.h to avoid compile time
336 (push_data_area): Move to v850-c.c.
337 (pop_data_area): Move to v850-c.c.
338 (mark_current_function_as_interrupt): Move to v850-c.c.
339 (GHS_default_section_names): Allow to be exported.
340 (GHS_current_section_names): Allow to be exported.
341 (data_area_stack_elements): Allow to be exported.
342 (ghs_pragma_section): Move to v850-c.c.
343 (ghs_pragma_interrupt): Move to v850-c.c.
344 (ghs_pragma_starttda): Move to v850-c.c.
345 (ghs_pragma_startsda): Move to v850-c.c.
346 (ghs_pragma_startzda): Move to v850-c.c.
347 (ghs_pragma_endtda): Move to v850-c.c.
348 (ghs_pragma_endsda): Move to v850-c.c.
349 (ghs_pragma_endzda): Move to v850-c.c.
351 * config/v850/v850-c.c: New file: Contains v850 specific
352 pragma parsing functions.
354 2000-11-24 Nick Clifton <nickc@redhat.com>
356 * config.gcc (extra_objs): Remove duplicate description.
357 (c_target_objs): New variable. Contains target specific
358 object files for the gcc C compiler only.
359 (cxx_target_objs): New variable. Contains target specific
360 object files for the gxx C++ compiler only.
362 * configure.in (c_target_objs): Substitute in the makefile.
363 (cxx_target_objs): Substitute in the makefile.
364 * configure: Regenerate.
366 * Makefile.in (C_TARGET_OBJS): Define and initialise from
368 (CXX_TARGET_OBJS): Define and initialise from
370 (C_AND_OBJC_OBJS): Include C_TARGET_OBJS.
372 * cp/Make-lang.in (CXX_C_OBJS): Include CXX_TARGET_OBJS).
374 * tm.texi (REGISTER_TARGET_PRAGMAS): Add paragraph explaining
375 about how the use of the 'c_lex' function requires the use of
376 the target specific, language specific object files feature of
377 the configuration mechanism.
379 Fri Nov 24 18:50:58 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
381 * gcc.c (process_command): Use F_OK, not R_OK.
383 2000-11-24 Arno J. Klaassen <arno@heho.snv.jussieu.fr>
385 * flow.c (print_rtl_and_abort): Remove ANSIism.
387 Fri Nov 24 19:54:36 2000 Alexandre Oliva <aoliva@redhat.com>
389 * config/sh/sh.h (GENERAL_REGISTER_P,
390 GENERAL_OR_AP_REGISTER_P, FP_REGISTER_P, XD_REGISTER_P,
391 FP_OR_XD_REGISTER_P, FP_ANY_REGISTER_P): New macros. Use them
393 (SPECIAL_REG): Renamed to SPECIAL_REGISTER_P.
394 * config/sh/sh.c: Use new macros.
395 * config/sh/sh.md: Likewise.
397 Fri Nov 24 19:46:16 2000 Alexandre Oliva <aoliva@redhat.com>
399 * config/sh/sh.md: Clobber MACH_REG and MACL_REG in SImode,
400 instead of just MACH_REG in DImode. Always refer to FPSCR_REG
403 Fri Nov 24 22:37:41 2000 Denis Chertykov <denisc@overta.ru>
405 * config/avr/avr.c (out_tsthi,out_tstsi): Test simplification bug
407 (machine_dependent_reorg): Wrong optimization based on
408 NOTICE_UPDATE_CC removed.
410 Fri Nov 24 19:48:09 2000 J"orn Rennecke <amylaar@redhat.com>
412 * jump.c (delete_computation): Re-instate deletion of feeding insn.
413 (delete_insn): Look for REG_LABEL notes.
414 (redirect_tablejump): Delete feeding insns.
416 2000-11-24 Bernd Schmidt <bernds@redhat.co.uk>
418 * config/i386/i386.md (call_pop_0, call_pop_1, call_value_pop_0,
419 call_value_pop_1): Make sure operand numbers are contiguous.
421 * fold-const.c (fold_range_test): Avoid crash if LHS or RHS is null.
423 * reload1.c (conflicts_with_override): New function.
424 (emit_input_reload_insns): Use it to tighten test for validity
425 of substituting into output of previous insn.
427 * haifa-sched.c (struct ready_list): New.
428 (ready_lastpos, ready_add, ready_remove_first, ready_sort): New static
430 (schedule_insn): Replace args READY and N_READY with a pointer to a
431 ready_list; return void. Use the new functions to access the ready
432 list. All callers changed.
433 (queue_to_ready, debug_ready_list): Likewise.
434 (schedule_block): Initialize a ready_list structure. Use new
435 functions to access it.
436 (max_priority): Remove unused variable.
437 (schedule_insn): Don't set it.
439 * c-common.c (verify_tree): Don't recurse into CONSTRUCTORs.
441 * combine.c (cant_combine_insn_p): New function.
442 (try_combine): Use it.
444 * Makefile.in (c-common.o): Depend on $(OBSTACK_H).
445 * c-common.c (c-obstack.c): Include "obstack.h".
446 (struct reverse_tree): Delete.
447 (reverse_list, reverse_max_depth): Delete.
448 (build_reverse_tree, common_ancestor, modify_ok): Delete functions.
449 (struct tlist, struct tlist_cache): New.
450 (tlist_obstack, tlist_firstobj, warned_ids, save_expr_cache): New.
451 (add_tlist, merge_tlist, verify_tree, warning_candidate_p,
452 warn_for_collisions, warn_for_collisions_1, new_tlist): New
454 (verify_sequence_points): Rewritten.
455 * fold-const.c (fold): Don't lose possibly important sequence
456 points when removing one arm of TRUTH_ORIF_EXPRs or TRUTH_ANDIF_EXPRs.
458 2000-11-24 Richard Sandiford <rsandifo@redhat.com>
460 * gcc/cse.c (cse_insn): Removed conversion of REG_EQUIV to REG_EQUAL
461 when reversing a register-to-register copy. Reversal now disabled
462 when the previous instruction has a REG_EQUIV.
464 2000-11-24 Nathan Sidwell <nathan@codesourcery.com>
466 * c-parse.in (unary_expr): Move VA_ARG from here ...
467 (primary): ... to here.
469 2000-11-23 Graham Stott <grahams@redhat.com>
471 * expr.c (store_constructor): If a field is non addressable and
472 the target is a MEM use MEM_ALIAS_SET otherwise use get_alias_set.
474 2000-11-23 Bernd Schmidt <bernds@redhat.co.uk>
476 * flow.c (print_rtl_and_abort): New function.
477 (verify_wide_reg, verify_local_live_at_start): Try to dump more
478 information before aborting.
480 2000-11-23 Alexandre Oliva <aoliva@redhat.com>
482 * emit-rtl.c (gen_lowpart_common): Use word 0 if register mode
483 is narrower than requested mode.
484 (gen_highpart): Abort if register mode is narrower than
487 2000-11-23 Graham Stott <grahams@redhat.com>
489 * cse.c (cse_insn): Initialise all regcost variables.
490 Fix a typo add missing '='.
491 Only compare costs if there is a replacement insn.
493 Thu Nov 23 04:33:33 2000 Alexandre Oliva <aoliva@redhat.com>
495 * final.c (output_addr_const) [LABEL_REF]: Simplify.
496 [MINUS]: Enclose non-CONST_INTs in parentheses.
497 [default]: Try OUTPUT_ADDR_CONST_EXTRA.
498 * tm.texi (OUTPUT_ADDR_CONST_EXTRA): Document it.
499 * varasm.c (decode_rtx_const) [CONST]: If it's not something
500 PLUS or MINUS a CONST_INT, use the whole CONST with offset 0
501 instead of abort()ing.
502 * sh.c (output_pic_addr_const): Removed. Fixed all callers.
503 * sh.h (OUTPUT_ADDR_CONST_EXTRA): New. Handle the UNSPECs
504 formerly handled in output_pic_addr_const.
505 * sh.md (sym_label2reg, symPLT_label2reg): Enclose UNSPEC
506 operands of MINUS in CONSTs so that decode_rtx_const() will
509 Thu Nov 23 04:10:30 2000 Alexandre Oliva <aoliva@redhat.com>
511 * config/sh/sh.md (mova_const): New pattern.
512 (GOTaddr2picreg): Use it.
513 * config/sh/sh.c (broken_move): Match it.
514 (mova_p): Don't match it.
515 (machine_dependent_reorg): Adjust it.
517 Thu Nov 23 02:09:09 2000 Alexandre Oliva <aoliva@redhat.com>
519 * config/sh/sh.h (FIRST_GENERAL_REG, LAST_GENERAL_REG): New.
520 Moved most register-number #defines...
521 * config/sh/sh.md (define_constants): ... here. Use macros to
522 refer to registers and unspecs.
523 * config/sh/sh.c: Likewise.
525 Thu Nov 23 01:01:32 2000 J"orn Rennecke <amylaar@redhat.com>
527 * Makefile.in (HOST_CFLAGS): Add -DGENERATOR_FILE.
528 (rtl.o, print-rtl.o, bitmap.o, obstack.o): Build with -DGENERATOR_FILE.
529 (alloca.o, vfprintf.o, ggc-none.o, errors.o): Likewise.
530 (splay-tree.o, hash.o): Likewise.
532 (rtl.o, print-rtl.o): Depend on $(GCONFIG_H) instead of $(CONFIG_H).
533 (bitmap.o, obstack.o, vfprintf.o, ggc-none.o, errors.o): Likewise.
534 (hashtab.o): Likewise.
535 (gcov.o): Depend on $(CONFIG_H).
536 * configure.in: #include insn-codes.h in tm.h.
538 2000-11-22 Nick Clifton <nickc@redhat.com>
540 * config/arm/arm.c (arm_encode_call_attribute): Make 'newstr' a
541 const char * to avoid a compile time warning.
543 * config/arm/arm.md (define_constants): Define symbolic names for
544 the link register, last integer register and the fake CC register.
545 Update patterns to use these symbolic names.
547 2000-11-22 Neil Booth <neilb@earthling.net>
549 * cpplex.c (trigraph_ok): Ensure we don't warn twice.
550 * cpplib.h (struct cpp_buffer): New member last_Wtrigraphs.
552 2000-11-22 Richard Henderson <rth@redhat.com>
554 * haifa-sched.c (sched_analyze_1): Don't special-case calls
555 for clobbering registers.
556 (sched_analyze_2): Likewise.
557 (sched_analyze): Zap reg_last_uses and reg_last_sets after calls.
559 2000-11-22 Chris Demetriou <cgd@sibyte.com>
560 Neil Booth <neilb@earthling.net>
562 * gcc.c (validate_switches): Validate multiple switches named
563 in '|' (or) expressions in specs.
564 (handle_braces): If more than 1 alternative in a '|' spec
565 matches, call do_spec1 just once.
567 2000-11-22 Michael Meissner <meissner@redhat.com>
569 * d30v.h (TARGET_SWITCHES): Add documentation strings.
570 (TARGET_OPTIONS): Ditto.
571 (OPTIMIZATION_OPTIONS): Temporarily turn off -frename-registers if
574 Wed Nov 22 06:40:56 2000 Jeffrey A Law (law@cygnus.com)
576 * pa.c (hppa_encode_label): Account for addition of encoding
577 character when allocating persistent space for the new label
580 2000-11-22 Zack Weinberg <zack@wolery.stanford.edu>
582 * Makefile.in, config.gcc, configure.in: Expunge remaining
583 traces of facility for running MD files through C preprocessor.
585 2000-11-22 Joseph S. Myers <jsm28@cam.ac.uk>
587 * gcov.texi: Add magic comments for texi2pod.pl.
588 * Makefile.in: Add rules to generate and install gcov.1.
589 * gcov.1: New (generated) file.
591 2000-11-21 Richard Henderson <rth@redhat.com>
593 * regrename.c (scan_rtx_reg): Terminate the chain rather than
594 abort on mark_read with NO_REGS.
596 2000-11-21 Mike Stump <mrs@wrs.com>
598 * fixinc/fixtests.c (TEST_FOR_FIX_PROC_HEAD): Fix to allow
599 compilation with older compilers, such as /bin/cc on SunOS.
600 * fixinc/fixfixes.c (FIX_PROC_HEAD): Ditto.
602 2000-11-21 Richard Henderson <rth@redhat.com>
604 * varasm.c (record_constant): Pad the constructed
605 constant_descriptor appropriately.
607 Wed Nov 22 00:52:55 2000 J"orn Rennecke <amylaar@redhat.com>
609 * rtl.h (traverse_md_constants): Declare.
610 (struct md_constant): Define.
611 * Makefile.in (HOST_RTL): Add hashtab.o .
612 (OBJS): Add hashtab.o .
613 (hashtab.o): New rule.
614 (rtl.o): Depends on HASHTAB_H.
615 * rtl.c (hashtab.h): #include.
616 (md_constants): New static variable.
617 (def_hash, def_name_eq_p, read_constants): New static functions.
618 (traverse_md_constants): New function.
619 (read_name): Do constant expansion.
620 (read_rtx): Recognize define_constants.
621 * gencodes.c (print_md_constant): New function.
622 (main): Emit #defines for all constant definitions encountered.
623 * md.texi (Constant Definitions): New node.
624 * gensupport.c (xcalloc): New function.
626 2000-11-21 Richard Henderson <rth@redhat.com>
628 * config/alpha/alpha.c (alpha_split_tfmode_frobsign): New.
629 * config/alpha/alpha-protos.h: Declare it.
630 * config/alpha/alpha.md (abstf_internal): Use it.
631 (negtf_internal): Likewise.
632 (andnotdi3): Unstar the name.
633 (movtf_internal): Add o/G alternative.
635 2000-11-21 Zack Weinberg <zack@wolery.stanford.edu>
637 * stringpool.c (stringpool_statistics): Also report number and
638 percentage of entries which are identifiers.
640 2000-11-21 Diego Novillo <dnovillo@redhat.com>
642 * gcse.c (hoist_expr_reaches_here_p): Do not mark expr_bb as
643 visited before visiting it.
645 2000-11-21 Nick Clifton <nickc@redhat.com>
647 * config/arm/arm.h: Accept TARGET_CPU_arm9tdmi,
648 TARGET_CPU_strongarm110 and TARGET_SPU_strongarm1100.
650 * config.gcc: Accept --with-cpu=arm9 and --with-cpu=arm9tdmi.
652 2000-11-21 Richard Henderson <rth@redhat.com>
654 * c-common.c (c_unsafe_for_reeval): New function.
655 (add_c_tree_codes): Register it.
656 * c-common.h: Declare it.
657 * tree.c (lang_unsafe_for_reeval): New hook.
658 (unsafe_for_reeval): Call it.
659 * tree.h: Declare it.
661 2000-11-21 Richard Henderson <rth@redhat.com>
663 * config/i386/i386.c (i386_simplify_dwarf_addr): Simplify @GOT
666 2000-11-21 Neil Booth <neilb@earthling.net>
668 * do_includes: Revert to using cpp_read_file.
670 2000-11-21 Bernd Schmidt <bernds@redhat.co.uk>
672 * loop.c (consec_sets_giv): If the reg we're examining is anything
673 but UNKNOWN_INDUCT, do nothing.
674 Reset the reg's type to UNKNOWN_INDUCT before returning.
676 Mostly from Vladimir Makarov (vmakarov@redhat.com)
677 * ia64.md (attr itanium_class): Define insn types as described in
679 (all insn patterns): Use itanium_class, not type attributes.
680 Occasionally split alternatives as necessary.
681 (attr type): Compute from new attr itanium_class.
683 2000-11-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
685 * tradcpp.c (output_line_command): Mark system headers as such in
688 2000-11-21 Jakub Jelinek <jakub@redhat.com>
690 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Sparc has .file/.loc
691 support in as as well.
692 * configure: Regenerate.
694 2000-11-20 Richard Henderson <rth@redhat.com>
696 * c-lex.c (orig_filename): New variable.
697 (init_c_lex): Set it. Move call to cpp_start_read ...
698 (yyparse): ... here. New function.
699 * c-parse.in (yyparse_1): Rename the parser entry point.
700 * c-tree.h: Declare it.
702 2000-11-21 Jakub Jelinek <jakub@redhat.com>
704 * expr.c (do_compare_and_jump): If op0 was replaced by promoted
705 integer constant, use type of op1 for comparison.
707 2000-11-20 Stan Shebs <shebs@apple.com>
709 * config/rs6000/xm-darwin.h: New file, Darwin host definitions.
710 * config/rs6000/x-darwin: New file, Darwin host fragment.
711 * config.gcc (powerpc-*-darwin*): New host.
712 * system.h (HAVE_DESIGNATED_INITIALIZERS): Allow this to be
713 overridden by a config file.
715 2000-11-20 Neil Booth <neilb@earthling.net>
717 * cppmacro.c (paste_tokens): Rename from paste_payloads.
718 Change token type after pasting spellings.
719 (paste_all_tokens): Use it.
720 * gcc.dg/cpp/paste2.c: Update test.
721 * objc/execute/paste.m: New test.
723 2000-11-20 Richard Henderson <rth@redhat.com>
725 * dwarf.h (FMT_CODE): Adjust argument order; fix mapping to
726 dwarf_subscr_data_formats bits.
727 * dwarfout.c (simple_type_size_in_bits): Handle a type with
728 no computed size as size zero.
729 (field_byte_offset): Likewise.
730 (subscript_data_attribute): Handle a range with no upper bound.
732 2000-11-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
734 * gansidecl.h (const): Check __STDC__ before undef'ing `const'.
736 2000-11-20 Joseph S. Myers <jsm28@cam.ac.uk>
738 * c-typeck.c (build_conditional_expr): When merging type
739 qualifiers for conditional expressions between a pointer and a
740 pointer to a void type, merge the qualifiers on the target types
741 rather than the pointer type. Remove obsolete conditioned out
744 2000-11-20 Neil Booth <neilb@earthling.net>
746 * c-lang.c (lang_init_options): Update call to
748 * cppmain.c (main): Similarly.
749 * fix-header.c (read_scan_file): Similarly.
750 * cp/lex.c (lang_init_options): Similarly.
751 * objc/objc-act.c (lang_init_options): Similarly.
752 * cppexp.c (parse_number): Only warn for unextended C89.
753 * cppinit.c (set_lang): New function.
754 (cpp_reader_init): Take a LANG argument and pass it to set_lang.
755 (COMMAND_LINE_OPTIONS): New option std=c++98.
756 (cpp_handle_option): Use set_lang.
757 * cpplex.c (_cpp_lex_token): Warn pedantically if not C99.
758 * cppib.h (enum_c_lang): New enumeration. Update comments.
760 2000-11-20 Will Cohen <wcohen@redhat.com>
762 * calls.c (expand_call): Clear target only when target is in
763 hard register and current_function_check_memory_usage is set.
765 2000-11-20 Bernd Schmidt <bernds@redhat.co.uk>
767 * toplev.c (rest_of_compilation): Run optimize_mode_switching even
769 * sh.c (emit_sf_insn, emit_df_insn): Just call emit_insn.
771 2000-11-19 Richard Henderson <rth@redhat.com>
773 * crtstuff.c (force_to_data): Use array size 1 not 0.
775 * dwarf2out.c (simple_type_size_in_bits): Handle a type with
776 no computed size as size zero.
777 (field_byte_offset): Likewise.
779 2000-11-20 Joseph S. Myers <jsm28@cam.ac.uk>
781 * config.gcc: Fix another typo.
783 2000-11-19 Richard Henderson <rth@redhat.com>
785 * c-decl.c (grokdeclarator): Support flexible array members.
786 Use open-ended ranges for these and zero-length arrays.
787 * c-typeck.c (push_init_level): Validate the context of
788 initialization of a zero-length array.
789 * tree.c (int_fits_type_p): Be prepared for missing bounds.
790 * varasm.c (array_size_for_constructor): New.
791 (output_constructor): Use it for arrays of unspecified length.
792 * extend.texi (Zero Length): Mention C99 flexible array members.
793 Document initialization in a top-level struct as valid.
795 2000-11-19 Joseph S. Myers <jsm28@cam.ac.uk>
797 * config.gcc, invoke.texi: Fix errors in spelling of "deprecated".
799 * alias.c (mems_in_disjoint_alias_sets_p): Do use alias sets in
800 stdarg and varargs functions.
802 2000-11-19 Zack Weinberg <zack@wolery.stanford.edu>
804 * gcc.c (process_command): Define 'j' variable when
805 MODIFY_TARGET_NAME is defined.
807 2000-11-19 Richard Henderson <rth@redhat.com>
809 * stor-layout.c (variable_size): Only put SAVE_EXPRs on pending_sizes.
811 2000-11-19 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
813 * rs6000/rs6000.c (rs6000_encode_section_info): Fix string length
814 calculation and allocation.
816 2000-11-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
818 * builtins.c (c_getstr): Constify variable.
819 * gmon-sol2.c (_mcleanup): Comment out #endif labels.
820 * conflict.c (const_conflict_graph_arc): New typedef.
821 (arc_hash, arc_eq): Avoid needlessly casting away const-ness.
822 * cppmacro.c (builtin_macro): Likewise.
823 * dwarf2out.c (output_comp_unit): Constify variable.
824 * fix-header.c (v_fatal): Add ATTRIBUTE_PRINTF.
825 * protoize.c (IS_SAME_PATH_CHAR): Use TOUPPER, not toupper.
826 * ssa.c (ssa_rename_from_hash_function): Avoid needlessly casting
828 * tradcpp.c (rescan, do_line, macroexpand, macarg): Use
829 ISALNUM/ISDIGIT/ISPRINT, not isalnum/isdigit/isprint.
830 * varasm.c (const_str_htab_hash, const_str_htab_eq,
831 compare_constant_1, record_constant_1): Constify.
833 2000-11-18 Richard Henderson <rth@redhat.com>
835 * c-decl.c (grokdeclarator): Special case the creation of an
836 index for a zero-length array.
837 * tree.c (build_index_type): Revert Oct 20 change.
839 2000-11-18 Marek Michalkiewicz <marekm@linux.org.pl>
841 * config/avr/avr-protos.h (avr_output_addr_vec_elt): Prototype.
842 * config/avr/avr.c (jump_tables_size): New variable.
843 (function_prologue): Initialize it as 0.
844 (function_epilogue): Add it to function_size.
845 (avr_output_addr_vec_elt): New function. Count words in jump
846 tables in jump_tables_size. Move code ...
847 * config/avr/avr.h (ASM_OUTPUT_ADDR_VEC_ELT): ... from here.
848 Call avr_output_addr_vec_elt instead.
849 * config/avr/avr.md (tablejump): Remove disabled define_expand.
851 2000-11-18 Mark Mitchell <mark@codesourcery.com>
853 * configure.in: Make --enable-new-gxx-abi the default.
854 * configure: Likewise.
856 2000-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
858 * Makefile.in (tradcpp.o, tradcif.o): Depend on tradcpp.h.
860 * tradcif.y: Include tradcpp.h. Constify. Make functions static.
861 Move extern function declarations to tradcpp.h.
863 * tradcpp.c: Likewise.
865 * tradcpp.h: New file.
867 2000-11-18 Joseph S. Myers <jsm28@cam.ac.uk>
869 * c-decl.c (check_for_loop_decls): New function.
870 * c-parse.in (for_init_stmt): New.
871 (select_or_iter_stmt): Use for_init_stmt.
872 * c-tree.h (check_for_loop_decls): New declaration.
874 2000-11-18 Neil Booth <neilb@earthling.net>
876 * cppinit.c: Update comments.
877 (cpp_reader_init): Make -imacro and -include use the standard
878 #include "" search path.
879 (do_includes): New function.
881 2000-11-18 Ben Elliston <bje@redhat.com>
883 * config/sh/crt1.asm (start_l): Move PC-relative move instruction
884 out of a branch delay slot.
886 2000-11-17 Richard Henderson <rth@redhat.com>
888 * config/alpha/elf.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
889 (ASM_SPEC): Disable and enable .mdebug based on -gstabs.
890 (ASM_FILE_START): Only write out ecoff .file directive if
891 emitting mdebug debugging.
893 2000-11-17 Richard Henderson <rth@redhat.com>
895 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): New. Detect
896 whether as accepts .file/.loc and produces dwarf2 line info.
897 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Default on if
898 the assembler supports it.
899 * config.in, configure: Regenerate.
901 2000-11-17 Richard Henderson <rth@redhat.com>
903 * fixinc/mkfixinc.sh: Don't disable fixincludes for any linux*.
905 2000-11-17 Jim Wilson <wilson@redhat.com>
907 * config/ia64/ia64.c (emit_insn_group_barriers, case CALL_INSN):
908 Don't clear need_barrier is next_insn is a CALL_INSN, or has
909 instruction type B or UNKNOWN.
911 2000-11-17 Neil Booth <neilb@earthling.net>
913 * cpperror.c (print_file_and_line): Don't display line number if 0.
915 2000-11-17 Zack Weinberg <zack@wolery.stanford.edu>
917 * ggc.h: Delete ggc_add_string_root and ggc_mark_string. Add
918 digit_vector and digit_string.
919 * stringpool.c (digit_vector): New.
920 (ggc_alloc_string): Use digit_string.
922 * stmt.c (digit_strings): Delete.
923 (init_stmt): Do not initialize digit_strings.
924 (expand_asm_operands): Use ggc.h's digit_string macro.
925 * toplev.c (mark_file_stack): Delete.
926 (compile_file): Don't call init_tree_codes.
927 (main): No need to make the file stack a GC root.
928 * tree.c (init_tree_codes): Delete.
929 * tree.h (init_tree_codes): Delete.
931 * c-lex.c: Don't include ggc.h.
932 (mark_splay_tree_node, mark_splay_tree): Delete.
933 (init_c_lex): No need to ggc_strdup string constant. Don't add
934 file_info_tree to GGC roots.
935 (cb_enter_file, cb_rename_file): No need to ggc_strdup
938 * Makefile.in (c-lex.o): No longer depends on $(GGC_H).
940 * dbxout.c (dbxout_init),
941 dwarf2out.c (dwarf2out_line),
942 ggc-common.c (ggc_mark_rtx_children, ggc_mark_trees),
943 varasm.c (mark_const_hash_entry, mark_pool_constant, init_varasm_once),
944 xcoffout.c (xcoffout_source_file),
945 i386.c (load_pic_register):
946 Delete call(s) to ggc_add_string_root and/or ggc_mark_string.
948 * except.c (create_rethrow_ref),
949 profile.c (init_edge_profiler),
950 toplev.c (compile_file),
951 varasm.c (named_section, assemble_static_space,
952 assemble_trampoline_template, output_constant_def, force_const_mem),
953 i386.c (load_pic_register),
954 ia64.c (ia64_encode_section_info),
955 rs6000.c (rs6000_emit_load_toc_table, create_TOC_reference,
956 rs6000_emit_prologue, rs6000_emit_epilogue),
957 rs6000.md (load_toc_aix_si, load_toc_aix_di):
958 Change ggc_alloc_string (var, -1) to ggc_strdup (var).
960 * profile.c (output_func_start_profiler),
962 i386.c (load_pic_register): No need to ggc_strdup string constant.
964 2000-11-17 Hans-Peter Nilsson <hp@axis.com>
966 * Makefile.in (config.status): Depend on config.gcc.
967 * configure.in <for machine in $build $host $target>: Move
968 contents of loop into config.gcc, removing autoconf quoting.
969 Fix changequote bug for alpha*-*-vxworks*.
970 * configure: Regenerate.
973 2000-11-16 Zack Weinberg <zack@wolery.stanford.edu>
975 * c-parse.in (if_prefix): Find the filename and line number at
976 $-2 and $-1 respectively.
977 * diagnostic.c (error_recursion): Add missing newline, use
978 fputs, translate string.
980 2000-11-16 Zack Weinberg <zack@wolery.stanford.edu>
982 * stringpool.c: New file.
983 * ggc-common.c (ggc_mark_string_ptr, ggc_add_string_root): Delete.
984 (ggc_alloc_string): Now in stringpool.o.
985 * ggc-page.c, ggc-simple.c: Do not define or allocate empty_string.
986 * ggc.h: Delete prototype of ggc_add_string_root. #define
987 ggc_add_string_root and ggc_mark_string to nothing. Prototype
988 init_stringpool and stringpool_statistics.
989 (ggc_alloc_string): Returns a const char *.
990 * tree.c (hash_table, do_identifier_warnings): Delete.
991 (init_obstacks): Don't initialize the identifier hash table.
992 (get_identifier, maybe_get_identifier, start_identifier_warnings,
993 set_identifier_size): Now in stringpool.c.
994 * tree.h (struct tree_string): Constify pointer field.
995 (approx_sqrt): Prototype.
997 * Makefile.in (stringpool.o): Add rule, mention in OBJS.
999 * toplev.c (approx_sqrt): New function.
1000 (compile_file): Call stringpool_statistics if mem_report is on.
1001 (main): Call init_stringpool.
1003 * builtins.c (c_strlen), c-decl.c (finish_decl), c-lex.c
1004 (process_directive), c-typeck.c (constructor_asmspec, struct
1005 initializer_stack, start_init), except.c (create_rethrow_ref),
1006 stmt.c (digit_strings), toplev.c (decode_f_option), tree.c
1007 (built_in_filename), varasm,c (in_named_name,
1008 assemble_static_space, struct constant_descriptor, struct
1009 deferred_string, struct pool_constant, force_const_mem),
1010 i386.c (pic_label_name, global_offset_table_name), rs6000.c
1011 (rs6000_emit_prologue, rs6000_emit_epilogue) : Constify a char *.
1013 * c-common.c (combine_strings): Combine strings in scratch
1014 buffer, then pass to build_string.
1015 * optabs.c (init_libfuncs), profile.c (init_edge_profiler,
1016 output_func_start_profiler), stmt.c (init_stmt), alpha.c
1017 (alpha_need_linkage), arm.c (arm_encode_call_attribute),
1018 i386.c (load_pic_register), ia64.c (ia64_encode_section_info),
1019 rs6000.c (rs6000_encode_section_info): Create string in
1020 scratch buffer, then pass to ggc_alloc_string.
1022 * stmt.c (expand_asm_operands): If we must adjust the
1023 constraint strings, do so by creating a new one, not by
1024 modifying the old one in place. Constify some char *s.
1025 * config/pa/pa.c (hppa_encode_label): Drop unnecessary second
1026 argument. Create string in scratch buffer, then pass to
1028 * config/pa/pa-protos.h: Update prototype.
1029 * config/pa/elf.h, config/pa/pa.h, config/pa/som.h:
1030 hppa_encode_label takes only one argument.
1032 2000-11-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1034 * mcore.c (mcore_expand_prolog): Call xmalloc/xrealloc, not
1037 * cpplib.c (glue_header_name): Likewise.
1039 * fixincl.c (run_compiles, start_fixer): Likewise.
1041 * fixlib.c (load_file_data): Likewise.
1043 * mkdeps.c (munge): Likewise.
1045 2000-11-17 Hans-Peter Nilsson <hp@axis.com>
1047 * defaults.h [EH_FRAME_SECTION_ASM_OP] (EH_FRAME_SECTION): Remove
1048 trailing ';'. Fix formatting.
1050 2000-11-16 Jim Wilson <wilson@redhat.com>
1052 * config/ia64/ia64.h (MASK_INLINE_DIV_LAT, MASK_INLINE_DIV_THR):
1053 Shift masks left by one to avoid conflict.
1055 * config/ia64/ia64.c (ia64_encode_section_info): Disallow decls with
1058 2000-11-16 Nick Clifton <nickc@redhat.com>
1060 * config/arm/arm.c (output_arm_prologue): Note nested functions.
1061 (arm_expand_prologue): For nested functions preserve the
1062 static chain register during stack frame creation.
1064 * config/arm/arm.h (STATIC_CHAIN_REGNUM): Change to 12.
1065 (ARM_INITIAL_FRAME_ELIMINATION_OFFSET): For a nested function
1066 with a stack frame there is a 4 byte gap between the arg
1067 pointer and the hard frame pointer (used to preserve the
1068 static chain register during stack frame creation).
1070 2000-11-16 DJ Delorie <dj@redhat.com>
1072 * rtl.c (read_rtx): Provide suitable names for unnamed
1073 define_insn and define_insn_and_split patterns, based on file
1076 2000-11-15 Neil Booth <neilb@earthling.net>
1078 * cpplib.c (start_directive, end_directive): New functions.
1079 (_cpp_handle_directive, run_directive): Use them.
1080 (_cpp_handle_directive): Don't -Wtraditional on indented
1082 (_cpp_push_buffer): Don't re-clear was_skipping.
1083 * cpplib.h (struct cpp_reader): New member la_saved.
1084 * cppmacro.c (cpp_get_token): Don't interpret _Pragma in
1087 gcc.dg/cpp/_Pragma1.c: Update.
1088 gcc.dg/cpp/_Pragma2.c: New test.
1090 2000-11-15 Mark Mitchell <mark@codesourcery.com>
1092 * toplev.c (wrapup_global_declarations): Don't write out
1093 artificial static variables that aren't needed.
1095 2000-11-15 Bernd Schmidt <bernds@redhat.co.uk>
1097 * ia64.c (struct group): New structure.
1098 (last_group): New static array.
1099 (group_idx): New static variable.
1100 (emit_group_barrier_after, errata_find_address_regs, errata_emit_nops):
1101 New static functions.
1102 (emit_insn_group_barriers): Initialize and keep track of group_idx
1104 Call errata_emit_nops if TARGET_B_STEP or TARGET_A_STEP.
1105 Replace all calls to emit_insn_after that emit a group barrier to use
1106 emit_group_barrier_after.
1107 * ia64.h (MASK_B_STEP): New.
1108 (other MASK_XXX macros): Renumbered.
1109 (TARGET_B_STEP): New.
1110 (TARGET_SWITCHES): Add -mb-step.
1112 2000-11-15 Fred Fish <fnf@be.com>
1114 * fixinc/mkfixinc.sh (fixincludes): Add *-*-beos* to list of
1115 machines for which fixincludes is not needed.
1116 * config/i386/x-beos (STMP_FIXPROTO): Don't run fixproto.
1118 2000-11-15 Jason Merrill <jason@redhat.com>
1120 * diagnostic.c (finish_abort): New fn.
1121 (fancy_abort, error_recursion): Use it.
1122 * toplev.c (crash_signal): Likewise.
1123 * diagnostic.h: Declare it.
1125 2000-11-13 Andrew Haley <aph@redhat.com>
1127 * tree.c (build_type_no_quals): New function.
1128 * tree.h (build_type_no_quals): Declare.
1129 * c-common.c (c_get_alias_set): When considering type
1130 compatibility for pointer types, ignore cv-qualifiers anywhere in
1133 2000-11-15 Graham Stott <grahams@redhat.com>
1135 * regrename.c (scan_rtx_rtx): Skip to the next chain on
1136 encountering a terminated chain.
1138 2000-11-14 Mark Mitchell <mark@codesourcery.com>
1140 * configure.in: Move check for V3 above check for C++ header-file
1142 * configure: Regenerated.
1144 2000-11-14 DJ Delorie <dj@redhat.com>
1146 * config/v850/v850.c: Remove obstacks.
1148 Tue Nov 14 21:54:31 2000 Marek Michalkiewicz <marekm@linux.org.pl> & Denis Chertykov <denisc@overta.ru>
1150 * config/avr/avr.c (avr_case_values_threshold): New.
1151 (avr_override_options): Set it depending on options, make it large
1152 when not optimizing to work around "unable to generate reloads".
1154 * config/avr/avr.h (TARGET_SWITCHES): Add -mno-tablejump option.
1155 (EXTRA_SECTION_FUNCTIONS): Make the .progmem.gcc_sw_table section
1156 executable if not AVR_MEGA. Make sure jump tables are word-aligned.
1157 (JUMP_TABLES_IN_TEXT_SECTION): Define as 0, not 1.
1158 (ASM_OUTPUT_ADDR_VEC_ELT): Optimize, use "rjmp" if not AVR_MEGA.
1159 (avr_case_values_threshold): Declare as extern int.
1160 (CASE_VALUES_THRESHOLD): Define as avr_case_values_threshold.
1162 * config/avr/avr.md (tablejump): Removed.
1163 (*tablejump_rjmp): New for jump tables made from "rjmp" instructions.
1164 (*tablejump_lib, *tablejump_enh, *tablejump): Change to expect the
1165 index in the table, not multiplied by 2.
1166 (casesi): Change to match the above insns. Always enable.
1168 * config/avr/libgcc.S (__tablejump__): Rename to __tablejump2__.
1169 Change to expect the word address of the table, multiply it by 2
1170 here and not in the caller. Change "adiw" to faster "inc".
1172 2000-11-14 Neil Booth <neilb@earthling.net>
1174 * cppexp.c (parse_defined): Call cpp_get_token not
1177 * cpplex.c (cpp_output_line): Similarly.
1178 * cpplib.c (glue_header_name, do_line, do_ident,
1179 parse_answer, parse_assertion): Similarly.
1180 (_cpp_handle_diretive): Don't save to lookaheads
1181 when processing directives.
1182 * cppmacro.c (parse_arg, expand_arg): Call cpp_get_token not
1184 (funlike_invocation_p): Don't save to lookaheads
1185 when pre-expanding arguments.
1186 (_cpp_get_token): Delete.
1187 (cpp_get_token): Merge contents of _cpp_get_token.
1189 2000-11-14 Jakub Jelinek <jakub@redhat.com>
1191 * builtins.c (expand_builtin_setjmp): Set
1192 current_function_calls_setjmp.
1193 (expand_builtin_longjmp): Set current_function_calls_longjmp.
1195 * config/sparc/sparc.md (builtin_setjmp_setup): New expand.
1196 (do_builtin_setjmp_setup): New insn.
1198 Tue Nov 14 12:34:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1200 * tree.c (get_unwidened): Use host_integerp and tree_low_cst.
1201 (int_fits_type_p): For variable bounds, call force_fit_type.
1203 2000-11-14 Jakub Jelinek <jakub@redhat.com>
1205 * varasm.c (struct deferred_string): New structure.
1206 (const_str_htab): New variable.
1207 (STRHASH): New macro.
1208 (mark_const_str_htab_1, mark_const_str_htab, const_str_htab_hash,
1209 constr_str_htab_eq, const_str_htab_del): New functions.
1210 (output_constant_def): Add DEFER argument, defer string
1211 constants until mark_constant_pool time if requested.
1212 (mark_constant_pool): Walk the insn chain even if const_str_htab is
1214 (mark_constants): If a SYMBOL_REF for deferred string is found,
1215 output it and remove from hash table.
1216 (output_addressed_constants): Set DEFER to 0 in call to
1217 output_constant_def.
1218 * rtl.h (STRING_POOL_ADDRESS_P): Define.
1219 (output_constant_def): Adjust prototype.
1220 * expr.c (expand_expr): Set DEFER to 1 in call to output_constant_def.
1222 2000-11-14 Chandrakala Chavva <cchavva@redhat.com>
1224 * optabs.c (expand_complex_ab):: Use overflow-trapping optabs for
1225 signed types if flag_trapv.
1227 2000-11-14 Zack Weinberg <zack@wolery.stanford.edu>
1229 * tradcpp.c, tradcif.y: Update FSF mailing address, delete
1232 2000-11-14 Joseph S. Myers <jsm28@cam.ac.uk>
1234 * c-common.h (CTI_C_SIZE_TYPE): Update comment.
1236 2000-11-14 Jakub Jelinek <jakub@redhat.com>
1238 * varasm.c (struct varasm_status): Change x_const_rtx_sym_hash_table
1239 to array of pool_constnat pointers.
1240 (struct pool_constant): Add next_sym and label members.
1241 (struct pool_sym): Remove.
1242 (init_varasm_status): Change pool_sym into pool_constant.
1243 (mark_pool_constant): Mark pc->label string as well.
1244 (mark_pool_sym_hash_table): Remove.
1245 (mark_varasm_status): Remove it from caller as well.
1246 (free_varasm_status): Don't free pool_sym structures.
1247 (force_const_mem): Don't allocate pool_sym structure, instead
1248 fill pool->label and chain it into rtx_sym hash table.
1249 (find_pool_constant, mark_constant_pool): Use pool_constant instead
1252 2000-11-14 Jakub Jelinek <jakub@redhat.com>
1254 * reload1.c (emit_input_reload_insns): Honour forcing of constants
1255 into memory by PREFERRED_RELOAD_CLASS NO_REGS.
1257 2000-11-14 Michael Matz <matzmich@cs.tu-berlin.de>
1259 * dominance.c: New file.
1260 * Makefile.in (OBJS): Add dominance.o.
1262 * flow.c (compute_flow_dominators): Remove.
1263 (compute_immediate_dominators): Remove.
1264 (compute_immediate_postdominators): Remove.
1265 * basic-block.h: Remove their prototypes.
1266 (calculate_dominance_info): Add prototype.
1268 * dce.c (eliminate_dead_code): Change calls to above functions.
1269 Don't compute dominators but only immediate dominators.
1270 * flow.c (flow_loops_find): Change callers.
1271 * gcse.c (compute_code_hoist_data): Likewise.
1272 * haifa-sched.c (schedule_insns): Likewise.
1273 * ifcvt.c (if_convert): Likewise.
1274 * ssa.c (convert_to_ssa): Likewise, and only compute immediate
1277 2000-11-14 Richard Henderson <rth@redhat.com>
1279 * stmt.c (warn_if_unused_value): Don't warn if the expression
1282 * c-typeck.c (c_sizeof): Fold result to c_size_type_node.
1283 (c_sizeof_nowarn, c_alignof, c_alignof_expr): Likewise.
1285 2000-11-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1287 * loop.c (basic_induction_var): Revert accidental checkin.
1289 2000-11-13 Hans-Peter Nilsson <hp@axis.com>
1291 * c-lex.c (cb_leave_file): Harmonize conditions and order of
1292 statements to those of process_directive for (action == act_pop).
1294 * collect2.c (main): Pass on -B options from COLLECT_GCC_OPTIONS.
1296 * local-alloc.c (equiv_init_movable_p): References to CC0 are not
1299 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
1301 * c-parse.in (stmts_and_decls): Deprecate use of label at end of
1304 2000-11-13 Neil Booth <neilb@earthling.net>
1306 * cpplex.c (_cpp_lex_token): CPP_COMMENT and true CPP_EOF
1307 cases return without MI check.
1308 * cpplib.c (do_diagnostic): Take boolean of whether to
1309 print the directive name.
1310 (do_error, do_warning): Update.
1311 (do_pragma_dependency): Use it.
1312 * cpplib.h (VARARGS_FIRST): Delete.
1313 (struct cpp_token): Delete integer.
1314 * cppmacro.c (enter_macro_context): Move disabled check
1316 (_cpp_get_token): Simplify into a single loop.
1318 2000-11-13 Richard Earnshaw <rearnsha@arm.com>
1320 * configure.in: Use 'test -f' not '[ -e'.
1321 * configure: Regenerated.
1323 2000-11-13 DJ Delorie <dj@redhat.com>
1325 * config/mn10300/mn10300.md (store_movm): Note which registers are
1326 really used or clobbered.
1328 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
1330 * c-parse.in (ends_in_label): Remove from %union and %type.
1331 (decls, stmts, lineno_stmt_or_labels, xstmts,
1332 lineno_stmt_or_label, stmt_or_label): Remove.
1333 (stmts_and_decls, lineno_stmt_decl_or_labels_ending_stmt,
1334 lineno_stmt_decl_or_labels_ending_decl,
1335 lineno_stmt_decl_or_labels_ending_label,
1336 lineno_stmt_decl_or_labels_ending_error,
1337 lineno_stmt_decl_or_labels, compstmt_contents_nonempty,
1338 lineno_stmt, lineno_label): New.
1339 (compstmt_nostart): Use compstmt_contents_nonempty.
1341 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
1343 * c-common.c (boolean_increment): New function.
1344 * c-common.h (enum c_tree_index): Add CTI_C_BOOL_TYPE,
1345 CTI_C_BOOL_TRUE and CTI_C_BOOL_FALSE.
1346 (c_bool_type_node, c_bool_true_node, c_bool_false_node): Define.
1347 (boolean_increment): Declare.
1348 * c-convert.c (convert): Allow for BOOLEAN_TYPE.
1349 * c-decl.c (init_decl_processing): Create boolean nodes.
1350 (finish_struct): Allow for _Bool bitfields.
1351 * c-parse.in (reswords): Add _Bool.
1352 (rid_to_yy): Allow for RID_BOOL.
1353 * c-typeck.c (default_conversion): Make booleans promote to int.
1354 (convert_arguments, build_unary_op, build_modify_expr,
1355 convert_for_assignment): Allow for booleans.
1356 * ginclude/stdbool.h: Make conforming to C99.
1358 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
1360 * c-parse.in (c99_block_start, c99_block_end,
1361 c99_block_lineno_labeled_stmt): New.
1362 (simple_if, do_stmt_start): Use c99_block_lineno_labeled_stmt.
1363 (stmt): Split off selection and iteration statements into...
1364 (select_or_iter_stmt): New. Use c99_block_lineno_labeled_stmt.
1366 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
1368 * invoke.texi (-Wtrigraphs, -fdump-translation-unit, -save-temps,
1371 2000-11-13 Richard Earnshaw <rearnsha@arm.com>
1373 * arm.md (mulsidi3adddi, umulsidi3adddi): Revert previous change.
1374 Rewrite to avoid use of match_dup. Don't try to tie registers that
1375 are not in the same mode.
1377 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
1379 * invoke.texi: Update lists of languages and suffixes supported.
1381 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
1383 * configure.in: Take toplevel configure arguments from the
1384 environment to create configargs.h and substitute
1385 gcc_config_arguments, taking account of any existing configargs.h
1387 * configure: Regenerate.
1388 * gccbug.in: Include toplevel configure arguments in gccbug.
1390 2000-11-13 Richard Earnshaw <rearnsha@arm.com>
1392 * varasm.c (struct constant_descriptor): Put CONTENTS inside a
1393 union to make it well-aligned. Update all uses.
1395 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
1397 * c-parse.in (initelt): Give appropriate pedantic warnings,
1398 depending on flag_isoc99, for non-ISO syntax and for C99 syntax
1400 (designator): If pedantic, pedwarn for a designator specifying a
1402 * c-typeck.c (set_init_index, set_init_label): Don't pedwarn for
1404 * extend.texi: Document the C99 syntax as the preferred syntax,
1405 and the pre-2.5 syntax as obsolete. Mention use of designator
1406 lists for nested subobjects.
1408 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
1410 * diagnostic.c (vbuild_message_string, output_do_printf, vnotice):
1411 Add ATTRIBUTE_PRINTF.
1412 * tradcpp.c (v_message, warning, error, fatal, error_with_line):
1413 Add ATTRIBUTE_PRINTF*.
1415 2000-11-12 Mark Mitchell <mark@codesourcery.com>
1417 * function.c (assign_parms): When calling put_var_into_stack, make
1418 sure that there are no hidden pending sequences.
1420 2000-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1422 * builtins.c (expand_builtin): Handle BUILT_IN_INDEX and
1423 BUILT_IN_RINDEX. Add missing checks for BUILT_IN_STRCHR and
1426 * builtins.def (BUILT_IN_INDEX, BUILT_IN_RINDEX): New entries.
1428 * c-common.c (c_common_nodes_and_builtins): Declare index and
1429 rindex when nonansi builtins are allowed.
1431 * extend.texi (index, rindex): Document new builtins.
1433 2000-11-12 Mark Mitchell <mark@codesourcery.com>
1435 * configure.in: Turn on libstdc++ V3 by default.
1436 * configure: Regenerated.
1438 * fixinc/mkfixinc.sh: Use the ordinary fixincludes on Solaris.
1440 2000-11-12 Jakub Jelinek <jakub@redhat.com>
1442 * reload1.c (set_label_offsets): Go inside of PARALLELs.
1444 2000-11-12 Joseph S. Myers <jsm28@cam.ac.uk>
1446 * invoke.texi: Clean up option summary.
1448 2000-11-12 Nick Clifton <nickc@redhat.com>
1450 * config/mcore/mcore.c: Fix comment formating, and adjust sequence
1451 of #include headers.
1453 2000-11-12 Marc Espie <espie@openbsd.org>
1455 * configure.in: Fix filds test.
1458 2000-11-12 Mark Mitchell <mark@codesourcery.com>
1460 * jump.c (delete_computation): Don't assume that just becuase an
1461 instruction sets a register, that register is dead.
1463 2000-11-12 Neil Booth <neilb@earthling.net>
1465 * cppexp.c: Don't worry about pfile->skipping.
1466 * cpplib.c (struct if_stack): Make was_skipping unsigned char.
1467 (cpp_handle_directive): Save pfile->skipping in struct cpp_buffer
1468 for handled directives.
1469 (skip_rest_of_line): Use _cpp_lex_token after popping contexts
1470 and releasing lookaheads.
1471 (do_ifdef, do_ifndef, do_if): Use buffer->was_skipping.
1472 (do_else, do_elif, push_conditional): Update logic.
1473 (do_endif): Set buffer->was_skipping rather than pfile->skipping.
1474 (unwind_if_stack): Inline into cpp_pop_buffer.
1475 (cpp_push_buffer): Clear ifs->was_skipping for cpp_handle_directive.
1476 * cpplex.c (_cpp_lex_token): Clear skipping on EOF. Handle
1477 multiple-include optimisation.
1478 * cpplib.h (struct cpp_buffer): New member was_skipping.
1479 * cppmacro.c (_cpp_get_token): Loop whilst pfile->skipping. This
1480 works because skipping == 0 in directives.
1481 (_cpp_release_lookahead): Renamed from release_lookahead.
1482 (cpp_get_token): No need to check skipping as _cpp_get_token does
1483 this for us. No need to handle MI optimisation.
1485 Sat Nov 11 21:14:02 2000 Mark P Mitchell <mark@codesourcery.com>
1487 * fixinc/inclhack.def (sunos_matherr_decl): Bypass matherr
1488 declarations that use `__MATH_EXCEPTION' in their prototypes, too.
1489 * fixinc/fixincl.x: Regenerated.
1491 2000-11-11 Bruce Korb <bkorb@gnu.org>
1493 * fixinc/inclhack.def (avoid_bool_type): avoid commenting out #endif
1494 (avoid_wchar_t_type): ditto
1495 * fixinc/fixinc.irix: obsoleted
1497 2000-11-11 Zack Weinberg <zack@wolery.stanford.edu>
1499 * configure.in: Don't add $outputs to all_lang_makefiles. Add
1500 $srcdir/$s/Makefile.in if it exists.
1501 * configure: Regenerate.
1503 Sat Nov 11 18:41:20 2000 Mark P Mitchell <mark@codesourcery.com>
1505 * fixinc/mkfixinc.sh: Use the ordinary fixincludes on IRIX.
1507 2000-11-11 Jason Merrill <jason@redhat.com>
1509 * function.c (assign_parms): If TREE_ADDRESSABLE is set, try to
1510 give the parm a register and then call put_var_into_stack.
1511 * stmt.c (expand_decl): Likewise.
1513 2000-11-11 Joseph S. Myers <jsm28@cam.ac.uk>
1515 * gcc.texi: Adjust wording.
1517 2000-11-11 Mark Mitchell <mark@codesourcery.com>
1519 * fixinc/inclhack.def (avoid_wchar_t_type): New fix.
1520 * fininc/fixincl.x: Regenerated.
1522 2000-11-11 Joseph S. Myers <jsm28@cam.ac.uk>
1524 * invoke.texi: Correct spelling of -foptimize-register-move.
1526 2000-11-11 Neil Booth <neilb@earthling.net>
1528 Remove CPP_PLACEMARKERs.
1530 * cppexp.c (lex): Don't handle CPP_PLACEMARKER.
1531 * cpplex.c (_cpp_lex_token): Rename skip_newlines to next_bol
1532 * cpplib.c (skip_rest_of_line, check_eol, cpp_push_buffer):
1534 * cpplib.h: Remove CPP_PLACEMARKER.
1535 (struct lexer_state): Rename skip_newlines to next_bol.
1536 * cppmacro.c (stringify_arg): Don't handle CPP_PLACEMARKER.
1537 Simplify prev_white handling as a result.
1538 (paste_all_tokens): Don't worry about CPP_PLACEMARKERs.
1539 (parse_arg): Empty arguments are now empty, not CPP_PLACEMARKERs.
1540 (parse_args): Similarly. Update argument count tests.
1541 (enter_macro_context): Return 2 to indicate an empty macro.
1542 (replace_args): Don't bother pre-expanding an empty argument.
1543 Handle placemarkers and ## extension during pre-expansion.
1544 (cpp_get_token): Handle empty macro expansions. Don't worry
1545 about CPP_PLACEMARKERs.
1546 (_cpp_create_definition): Empty macros are now empty.
1547 (cpp_macro_defintion): Don't special case empty macros.
1548 * scan-decls.c: Don't bother with CPP_PLACEMARKERs.
1549 * c-lex.c: Similarly.
1551 2000-11-11 Joseph S. Myers <jsm28@cam.ac.uk>
1553 * gcc.texi, invoke.texi: Add new section discussing language
1554 standards; link to it where appropriate; refer to ISO C instead of
1557 2000-11-11 Alexandre Oliva <aoliva@redhat.com>
1559 * builtins.c (std_expand_builtin_va_start): Take PARM_BOUNDARY
1562 * config/sh/sh.h (MODES_TIEABLE_P): Don't tie SFmode to other FP
1565 2000-11-10 Joseph S. Myers <jsm28@cam.ac.uk>
1567 * gcc.texi, gcov.texi: Update dates and version numbers.
1569 2000-11-10 Zack Weinberg <zack@wolery.stanford.edu>
1571 * configure.in: Remove AC_PROG_LEX and AC_PROG_YACC. Look for
1572 flex and bison, specifically, first in a unified build and
1573 then installed on the system.
1574 * Makefile.in: Set BISON to @BISON@, FLEX to @FLEX@. Rename
1575 LEXFLAGS to FLEXFLAGS. Adjust ORDINARY_FLAGS_TO_PASS to
1578 (collect2.o, gcc.o, prefix.o, toplev.o, alloca.o, intl.o,
1579 cppdefault.o): Remove pointless sed munging of source file
1582 2000-11-10 Bernd Schmidt <bernds@redhat.co.uk>
1584 * reload.c (find_reloads_address_1, case POST_MODIFY): Use RELOAD_OTHER
1585 for address reloads. Push replacements for REG_INC notes.
1586 (regno_clobbered_p): New arg SETS. Examine SETs if it's nonzero. All
1588 * reload1.c (choose_reload_regs): Registers set in the insn can't be
1589 used for RELOAD_OTHER reloads.
1591 2000-11-10 Mark Mitchell <mark@codesourcery.com>
1593 * c-dump.h: New file.
1595 2000-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1597 * alpha.c (check_float_value): Use memcpy, not bcopy.
1598 * arm.c (output_move_double): Likewise.
1600 * m88k.c (legitimize_operand): Likewise.
1601 * m88k.h (ORDER_REGS_FOR_LOCAL_ALLOC): Likewise.
1602 * m88k.md: Likewise.
1603 * mips.c (override_options): Likewise.
1604 * mips.md: Likewise.
1605 * romp.c (output_fpops): Likewise.
1606 * rs6000.c (rs6000_override_options): Likewise.
1608 * vax.c (check_float_value): Likewise.
1610 * emit-rtl.c (copy_rtx_if_shared, init_emit_once): Likewise.
1611 * expmed.c (synth_mult): Likewise.
1612 * final.c (add_bb_string): Likewise.
1613 * genattr.c (main): Likewise.
1614 * genattrtab.c (attr_string, simplify_cond, copy_rtx_unchanging):
1616 * jump.c (thread_jumps): Likewise.
1617 * prefix.c (save_string): Likewise.
1618 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Likewise.
1619 * regclass.c (init_reg_sets, init_reg_sets_1): Likewise.
1620 * reload1.c (reload, eliminate_regs): Likewise.
1622 2000-11-10 Joseph S. Myers <jsm28@cam.ac.uk>
1624 * gcc.texi (Service): Update to reflect current practice and
1625 location of the GNU service directory.
1627 2000-11-09 Bernd Schmidt <bernds@redhat.co.uk>
1629 * regrename.c (build_def_use): Mark contents of REG_INC notes as
1630 needing replacement.
1632 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Emit
1633 a no-op move if regs are equal.
1634 * toplev.c (rest_of_compilation): Do the noop moves elimination pass
1635 when calling jump after post-reload splitting.
1637 2000-11-09 Jan van Male <jan.vanmale@fenk.wau.nl>
1639 * c-tree.texi: Fix typos.
1640 * extend.texi: Likewise
1641 * gcov.texi: Likewise
1642 * rtl.texi: Likewise
1645 2000-11-09 Hans-Peter Nilsson <hp@axis.com>
1647 * c-lex.c [! NO_IMPLICIT_EXTERN_C] (cb_enter_file): Check
1648 in_system_header and flags[1] before dereferencing flags[2].
1650 2000-11-09 Matthew Hiller <hiller@redhat.com>
1652 * reload1.c (reload_combine): Fixed calculation of
1653 first_index_reg, last_index_reg.
1655 2000-11-09 Mark Mitchell <mark@codesourcery.com>
1657 * c-dump.c (dequeue_and_dump): Dump function bodies.
1659 * Makefile.in (C_AND_OBJC_OBJS): Add c-dump.o.
1660 (c-dump.o): New target.
1661 * c-common.h (flag_dump_translation_unit): New variable.
1662 (C_TYPE_QUALS): New macro.
1663 (strip_array_types): New function.
1664 (DECL_C_BIT_FIELD): New macro.
1665 (SET_DECL_C_BIT_FIELD): Likewise.
1666 (CLEAR_DECL_C_BIT_FIELD): Likewise.
1667 (dump_info_p): New typedef.
1668 (dump_tree_fn): Likewise.
1669 (lang_dump_tree): New variable.
1670 (dump_node_to_file): New function.
1671 * c-common.c (flag_dump_translation_unit): Define it.
1672 (strip_array_types): New function.
1673 * c-decl.c (c_decode_option): Handle -fdump-translation-unit.
1674 * c-lang.c (finish_file): Call dump_node_to_file if
1675 flag_dump_translation_unit.
1676 * c-semantics.c (mark_rtl_for_local_static): Fix typo in comment.
1677 * c-tree.h (DECL_C_BIT_FIELD): Remove declaration.
1678 * c-dump.c: New file.
1680 2000-11-09 Christopher Faylor <cgf@cygnus.com>
1682 * config/i386/cygwin.h: Add mingw startfile prefix.
1684 2000-11-09 Richard Henderson <rth@redhat.com>
1686 * flow.c (invalidate_mems_from_set): Split out from ...
1687 (mark_set_1): ... here.
1688 (try_pre_increment_1): Use it. Use propagate_block_delete_insn
1689 instead of turning insn into a NOTE_INSN_DELETED.
1691 2000-11-10 Joseph S. Myers <jsm28@cam.ac.uk>
1693 * extend.texi, invoke.texi: Move documentation of builtin versions
1694 of C library functions to one place and update.
1696 2000-11-09 Richard Henderson <rth@redhat.com>
1698 * fold-const.c (fold): Compare TYPE_MAIN_VARIANT rather than
1699 the types themselves to discover type equivalence.
1701 2000-11-09 Mike Stump <mrs@wrs.com>
1703 * Makefile.in (distclean): Remove a few extra leftovers.
1705 2000-11-09 Richard Henderson <rth@redhat.com>
1707 * recog.c (validate_replace_rtx_1): Consider subregs when
1708 replacing a register with a constant inside a sign/zero_extend.
1710 * config/alpha/linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1712 2000-11-09 Geoffrey Keating <geoffk@redhat.com>
1714 * c-decl.c (finish_struct): When a structure is completed,
1715 check all its variant types for completeness.
1717 2000-11-09 Neil Booth <neilb@earthling.net>
1719 * cpphash.c: Move cpp_defined here from cpplib.c.
1720 * cpplib.c: Update comments, move cpp_defined to cpphash.c.
1721 * cpplex.c (_cpp_lex_token): Don't leave the lexer at EOL.
1722 * cppmacro.c (cpp_get_token): Update comments, no need now
1723 to catch the CPP_EOF meaning EOL case.
1725 2000-11-08 Geoffrey Keating <geoffk@redhat.com>
1727 * config/sparc/sparc.c (sparc_va_arg): When the required alignment
1728 is more than that provided, copy to a temporary.
1730 2000-11-09 Alexandre Oliva <aoliva@redhat.com>
1732 * mklibgcc.in (EXTRA_MULTILIB_PARTS): Prevent `make' from
1733 interpreting $out as a macro assignment.
1734 * Makefile.in (T_TARGET): New auxiliary macro and target.
1735 (all): Add a target right in the beginning, so that we don't build
1736 T_TARGET by default.
1738 2000-11-09 Graham Stott <grahams@redhat.com>
1740 * config/i386/i386.md (mmx_pinsrw): Output operands in correct
1741 order for -mintel-syntax. Remove comment now that the operand
1742 order has been checked.
1743 (mmx_pextrw): Likewise.
1744 (mmx_pshufw): Likewise.
1746 2000-11-09 Jakub Jelinek <jakub@redhat.com>
1748 * builtins.c (c_strlen): Use TREE_STRING_LENGTH - 1 for max.
1749 (c_getstr): New function.
1750 (expand_builtin_strstr): Do nothing if -fcheck-memory-usage.
1751 If both arguments are constant string, optimize out.
1752 (expand_builtin_strchr, expand_builtin_strrchr): New functions.
1753 (expand_builtin_strpbrk): Use c_getstr, do nothing if
1754 -fcheck-memory-usage.
1755 (expand_builtin_fputs): Likewise.
1756 (expand_builtin_strcmp): Add MODE argument.
1757 Use even if !HAVE_cmpstrsi.
1758 Optimize the case when both arguments are constant strings.
1759 (expand_builtin): Adjust expand_builtin_strcmp caller.
1760 Call expand_builtin_strchr and expand_builtin_strrchr.
1761 * c-common.c (c_common_nodes_and_builtins): Add strchr and strrchr
1763 * builtins.def (BUILT_IN_STRRCHR): Add.
1765 2000-11-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1767 * fixinc/gnu-regex.c: Rename EGCS LOCAL markers to GCC LOCAL.
1769 2000-11-09 Joseph S. Myers <jsm28@cam.ac.uk>
1771 * calls.c (expand_call, emit_library_call_value_1), collect2.c
1772 (scan_prog_file), config/a29k/a29k.c (print_operand),
1773 config/sparc/sparc.c (order_regs_for_local_alloc): Use memcpy ()
1774 instead of bcopy ().
1775 * real.h: Use memcmp () instead of bcmp ().
1776 * config/m88k/m88k.c (m88k_layout_frame), config/sh/sh.c
1777 (split_branches), config/sparc/sparc.c (ultra_flush_pipeline,
1778 ultrasparc_sched_init, ultrasparc_sched_reorder),
1779 config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Use memset ()
1780 instead of bzero ().
1781 * config/vax/xm-xms.h (FILE_NAME_NONDIRECTORY): Use strrchr ()
1782 instead of rindex ().
1783 * configure.in: Don't check for bzero, bcmp, index or rindex.
1784 * configure, config.in: Regenerate.
1785 * system.h: Don't include declarations for bzero, bcmp, index or
1787 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Don't define
1788 bzero, bcmp, index or rindex.
1790 Wed Nov 8 21:58:20 2000 Christopher Faylor <cgf@cygnus.com>
1792 * config/i386/cygwin.h: Add -no-win32 switch. Separate -mno-cygwin
1793 include and library paths from -mcygwin case. Parameterize some
1794 declarations to avoid warnings. Use standard locations for include and
1797 2000-11-08 Nick Clifton <nickc@redhat.com>
1799 * config/arm/arm.md (mulsidi3adddi): Change output operand
1800 constraint from "=&" to "+&".
1801 (umulsidi3adddi): Change output operand constraint from "=&" to
1804 2000-11-08 Richard Henderson <rth@redhat.com>
1806 * flow.c (init_propagate_block_info): Protect the rtx stored in
1807 mem_set_list from modification by find_auto_inc.
1808 (mark_set_1): Likewise.
1810 2000-11-08 Neil Booth <neilb@earthling.net>
1812 Move directive handling into the lexer itself.
1814 * cpplex.c (_cpp_lex_token): Handle directives directly.
1815 In the case of a directive interrupting a function-like
1816 macro invocation, use extra_char since read_ahead is
1817 used to store the '#'. Return a CPP_EOF in this case.
1818 * cppmacro.c (parse_arg): No need to handle CPP_DHASH any more.
1819 (cpp_get_token): Don't handle directives here.
1820 * cpplib.h: Remove CPP_DHASH token type.
1822 Wed Nov 8 21:53:41 MET 2000 Jan Hubicka <jh@suse.cz>
1824 * regmove.c (combine_stack_adjustments_for_blocks): Recognize pushes
1825 formed using PRE_MODIFY too.
1827 2000-11-08 Mark Mitchell <mark@codesourcery.com>
1829 * c-tree.texi (VAR_DECL): Describe representation of GCC's
1830 extension for placing variables in particular registers.
1832 * c-tree.texi (FUNCTION_TYPE): Clarify TYPE_ARG_TYPES for
1833 unprototyped C functions with no parameters.
1835 2000-11-08 Jakub Jelinek <jakub@redhat.com>
1837 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): Cast DELTA to int
1838 before passing to fprintf.
1840 2000-11-08 Jakub Jelinek <jakub@redhat.com>
1842 * function.c (expand_function_start): Cast GET_MODE_SIZE to
1843 HOST_WIDE_INT before negating it.
1845 2000-11-08 Jakub Jelinek <jakub@redhat.com>
1847 * expr.c (expand_expr) [ADDR_EXPR]: Handle when op0 is RETURN_DECL
1848 passed in multiple non-contiguous locations.
1850 2000-11-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1852 * README.gnat: Remove file.
1854 2000-11-08 Alexandre Oliva <aoliva@redhat.com>
1856 * mklibgcc.in (EXTRA_MULTILIB_PARTS): Generate multilib parts
1859 2000-11-07 Richard Henderson <rth@redhat.com>
1861 * dwarfout.c (INSN_LABEL_FMT): Remove.
1862 (output_label_die): Use ASM_GENERATE_INTERNAL_LABEL.
1863 (dwarfout_label): Remove.
1864 * dwarfout.h: Remove it's prototype.
1865 * dwarf2out.c (INSN_LABEL_FMT): Remove.
1866 (gen_label_die): Use ASM_GENERATE_INTERNAL_LABEL.
1867 (dwarf2out_label): Remove.
1868 * dwarf2out.h: Remove it's prototype.
1869 * final.c (final_scan_insn): Don't call dwarf[2]out_label.
1871 2000-11-07 Richard Henderson <rth@redhat.com>
1873 * config/ia64/fde-glibc.c (find_fde_for_dso): Do a binary
1874 search on the unwind region section.
1876 * config/ia64/ia64.md (movbi): Add r/r alternative.
1877 (cmovdi_internal_astep): Describe all combinations of register
1878 classes for sources & destinations; remove matching constraints.
1879 (cmovdi_internal): Likewise.
1881 * gcc.c (default_compilers) [@cpp-output]: Add -fpreprocessed.
1883 2000-11-07 Richard Henderson <rth@redhat.com>
1885 * c-lang.c (start_cdtor, finish_cdtor): New functions.
1886 (finish_file): Use them in building constructor/destructor functions.
1888 * config/alpha/alpha.h (HAS_INIT_SECTION, LD_INIT_SWITCH,
1889 LD_FINI_SWITCH): Move ...
1890 * config/alpha/osf.h: ... here.
1891 * config/alpha/alpha-interix.h: Don't undef them.
1893 2000-11-07 Jeffrey Oldham <oldham@oz.codesourcery.com>
1895 * config/mips/t-iris6 (FPBIT): New. Added so that __unorddf2 is
1896 included in libgcc.a.
1898 (dp-bit.c): Likewise.
1899 (fp-bit.c): Likewise.
1901 2000-11-07 Nick Clifton <nickc@redhat.com>
1903 * config/m88k/m88k.h (GLOBAL_ASM_OP): Add missing tab.
1904 (INTERNAL_ASM_OP): Add missing tab.
1906 2000-11-07 Joseph S. Myers <jsm28@cam.ac.uk>
1908 * alias.c (init_alias_analysis), calls.c (expand_call,
1909 emit_library_call_value_1), combine.c (init_reg_last_arrays),
1910 cse.c (new_basic_block), dbxout.c (dbxout_type), diagnostic.c
1911 (init_output_buffer, set_diagnostic_context), dwarf2out.c
1912 (equate_decl_number_to_die, build_abbrev_table), emit-rtl.c
1913 (init_emit_once), fold-const.c (mul_double, div_and_round_double),
1914 function.c (assign_parms), gcse.c (compute_can_copy,
1915 alloc_gcse_mem, alloc_reg_set_mem, record_one_set,
1916 compute_hash_table, compute_set_hash_table,
1917 compute_expr_hash_table), genattrtab.c (optimize_attrs), global.c
1918 (global_alloc, global_conflicts), haifa-sched.c (compute_trg_info,
1919 clear_units, schedule_block), integrate.c (initialize_for_inline,
1920 expand_inline_function), jump.c (thread_jumps), local-alloc.c
1921 (local_alloc), loop.c (combine_movables, count_loop_regs_set,
1922 load_mems_and_recount_loop_regs_set), print-tree.c (debug_tree),
1923 regclass.c (init_reg_sets, init_reg_sets_1, regclass,
1924 record_reg_classes, allocate_reg_info), reload.c
1925 (get_secondary_mem, remove_address_replacements, find_reloads),
1926 reload1.c (reload, set_initial_label_offsets, finish_spills,
1927 reload_as_needed, choose_reload_regs_init,
1928 reload_cse_simplify_operands), reorg.c (dbr_schedule), sbitmap.c
1929 (sbitmap_zero), simplify-rtx.c (simplify_plus_minus), ssa.c
1930 (rename_registers), stmt.c (expand_end_case), unroll.c
1931 (unroll_loop), varray.c (varray_grow), objc/objc-act.c: Use memset
1932 () instead of bzero ().
1934 2000-11-07 Neil Booth <neilb@earthling.net>
1936 * cp/lang-specs.h: Fix -save-temps specs under USE_CPPLIB.
1938 2000-11-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1940 * c-common.c (combine_strings): Only warn about long strings for C.
1942 Tue Nov 7 19:44:30 2000 J"orn Rennecke <amylaar@redhat.com>
1944 * combine.c (distribute_notes): Fix typo in last change.
1946 2000-11-07 Geoff Keating <geoffk@redhat.com>
1948 * config/rs6000/rs6000.md (movdi_internal32+1): Use
1949 operand_subreg_force rather than gen_rtx_SUBREG.
1950 (movdi_internal32+2): Likewise.
1952 2000-11-07 Philip Blundell <philb@gnu.org>
1954 * configure.in (arm*-*-linuxaout*): Obsolete, deleted.
1955 * config/arm/linux-aout.h: Likewise.
1956 * configure: Regenerate.
1958 2000-11-07 Philipp Thomas <pthomas@suse.de>
1960 * ABOUT-GCC-NLS: Remove the patch for gettext as it has been
1961 accepted my the gettext maintainer.
1963 2000-11-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1965 * builtins.c (expand_builtin_strpbrk): New function.
1966 (expand_builtin): Handle BUILT_IN_STRPBRK.
1968 * builtins.def (BUILT_IN_STRPBRK): New entry.
1970 * c-common.c (c_common_nodes_and_builtins): Declare builtin
1973 2000-11-07 David O'Brien <obrien@dragon.nuxi.com>
1975 * config/alpha/freebsd.h: New file -- FreeBSD/alpha architecture file.
1976 * POTFILES.in: Add config/alpha/freebsd.h
1977 * configure.in: Add alpha*-freebsd support.
1978 * configure: Regenerate.
1980 2000-11-07 Joseph S. Myers <jsm28@cam.ac.uk>
1982 * tree.c (build_common_tree_nodes_2): Make va_list_type_node be a
1983 copy of ptr_type_node rather than ptr_type_node itself.
1985 Tue Nov 7 06:29:24 2000 J"orn Rennecke <amylaar@redhat.com>
1987 * combine.c (recog_for_combine): Allocate uninitialized vector with
1989 * recog.c (apply_change_group): Likewise.
1991 Tue Nov 7 06:24:02 2000 J"orn Rennecke <amylaar@redhat.com>
1993 * flow.c (verify_local_live_at_start): Back out last change.
1994 * combine.c (distribute_notes): When parts of a hard reg are
1995 neither set nor referenced in PLACE, search backwards for a
1996 place to put a REG_UNUSED note; if none found, ask for flow
1999 Mon Nov 6 20:08:13 2000 J"orn Rennecke <amylaar@redhat.com>
2001 * reload1.c (eliminate_regs_in_insn): Allow a set to be a PARALLEL
2002 with (clobber (match_scratch...)).
2004 2000-11-06 Neil Booth <neilb@earthling.net>
2006 * c-lex.c (init_c_lex): If cpp_start_read fails, exit with
2009 2000-11-06 Neil Booth <neilb@earthling.net>
2011 * tradcpp.c (special_symbol): Assign an null string rather
2012 than writing to an unallocated buffer.
2014 2000-11-06 Neil Booth <neilb@earthling.net>
2016 * cpplex.c (_cpp_equiv_tokens): Check arg_no in the
2019 2000-11-06 Neil Booth <neilb@earthling.net>
2021 * c-lex.c (c_lex): Replace tok.val.aux with tok.val.c or
2022 tok.val.arg_no as appropriate.
2023 * cppexp.c (lex): Similarly.
2024 * cpplex.c (_cpp_lex_token, cpp_spell_token, cpp_output_token,
2025 cpp_equiv_tokens, cpp_can_paste, cpp_avoid_paste): Similarly.
2026 * cppmacro.c (stringify_arg, replace_args, lex_expansion_token,
2027 cpp_macro_definition): Similarly.
2028 * cpplib.h (struct cpp_token): Replace aux with c and arg_no.
2030 2000-11-06 Jakub Jelinek <jakub@redhat.com>
2032 * config/sparc/sparc.md (adddi3): If operands[2] is 4096 and
2033 operands[1] is constant, calculate the sum and generate movdi.
2034 (addsi3): Similarly. Use SImode in call to arith_4096_operand.
2035 (subsi3): Use SImode in call to arith_4096_operand.
2037 2000-11-06 Jakub Jelinek <jakub@redhat.com>
2039 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): On sparc64 we need to
2040 adjust %o1, not %o0 if the return type is large structure.
2042 2000-11-06 Jakub Jelinek <jakub@redhat.com>
2044 * config/sparc/sparc.md (smulsi3_highpart_v8plus, ashldi3_v8plus+1,
2045 update_return, flush, flushdi, ffssi2, ffsdi2): Fix output formatting.
2047 Sat Sep 23 19:10:20 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
2049 * expmed.c (expand_divmod): For signed divide by 2, prefer
2050 a branch and fewer shifts if branches are very cheap.
2052 2000-11-05 Joseph S. Myers <jsm28@cam.ac.uk>
2054 * Makefile.in: Remove all targets related to building
2055 distributions and diffs, or INSTALL.
2056 * INSTALL, install1.texi: Remove.
2057 * configure.in: Remove mention of distdir.
2058 * configure: Regenerate.
2059 * objc/Make-lang.in: Remove mention of distdir.
2061 2000-11-04 Neil Booth <neilb@earthling.net>
2063 * cpp.texi: Update for _Pragma.
2065 2000-11-04 Joseph S. Myers <jsm28@cam.ac.uk>
2067 * gcc.texi (Contributing): Update URL for projects web page.
2069 2000-11-04 Neil Booth <neilb@earthling.net>
2071 * cpplex.c (parse_string): Don't allow multiline strings in
2072 #include family directives.
2074 2000-11-04 Neil Booth <neilb@earthling.net>
2076 * cpplib.c (do_line): Only warn pedantically if not reading
2079 2000-11-04 Alexandre Oliva <aoliva@redhat.com>
2081 * calls.c (emit_call_1) [sibcall_pop]: Use n_popped instead of
2084 2000-11-03 Zack Weinberg <zack@wolery.stanford.edu>
2086 * builtins.c (expand_builtin_strlen): Remove unused mode
2088 * gcc.c (process_command): Remove unused variable.
2089 * fold-const.c: Include expr.h.
2090 * recog.c: Include reload.h.
2091 * Makefile.in (recog.o, fold-const.o): Update deps.
2093 2000-11-02 Geoffrey Keating <geoffk@cygnus.com>
2095 * fixinc/gnu-regex.c: Change 'CYGNUS LOCAL' to 'EGCS LOCAL'.
2097 Fri Nov 3 13:41:04 2000 Mark P Mitchell <mark@codesourcery.com>
2099 * config/mips/iris6.h (SUBTARGET_CC1_SPEC): Remove -static
2101 (STARTFILE_SPEC): Likewise.
2102 (LINK_SPEC): Likewise.
2104 2000-11-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2106 * Makefile.in (fold-const.o): Depend on $(GGC_H), not ggc.h.
2107 (toplev.o): Likewise for $(LOOP_H)/loop.h and $(REGS_H)/regs.h.
2108 (simplify-rtx.o): Likewise for $(GGC_H)/ggc.h.
2110 2000-11-03 Joseph S. Myers <jsm28@cam.ac.uk>
2112 * c-decl.c (duplicate_decls, copy_lang_decl), dwarfout.c
2113 (dwarfout_line), gcc.c (main, save_string), tree.c (init_obstacks,
2114 perm_calloc, get_identifier, maybe_get_identifier,
2115 real_value_from_int_cst, simple_cst_equal), varasm.c
2116 (assemble_name, assemble_real, immed_real_const_1,
2117 compare_constant_1, decode_rtx_const, output_constant_pool): Use
2118 strrchr () instead of rindex (). Use memcmp () instead of bcmp
2119 (). Use memcpy () instead of bcopy (). Use memset () instead of
2122 2000-11-03 Nathan Sidwell <nathan@codesourcery.com>
2124 * cppfiles.c (open_file): If already read, then don't reopen.
2125 Immediately close an empty file.
2127 2000-11-01 Bernd Schmidt <bernds@redhat.co.uk>
2129 * expr.h (fold_builtin): Move declaration...
2130 * tree.h (fold_builtin): ... here.
2132 Fri Nov 3 05:41:07 2000 J"orn Rennecke <amylaar@redhat.com>
2134 * flow.c (verify_local_live_at_start): Allow hard regs to die.
2136 2000-11-02 Neil Booth <neilb@earthling.net>
2139 * a29k/a29k.h, a29k/unix.h, a29k/vx29k.h,
2140 alpha/alpha-interix.h, alpha/alpha.h, alpha/linux.h,
2141 alpha/openbsd.h, alpha/osf.h, alpha/vms.h, alpha/vxworks.h,
2142 alpha/win-nt.h, arc/arc.h, arm/arm.h, arm/conix-elf.h,
2143 arm/linux-aout.h, arm/linux-elf.h, arm/netbsd.h, arm/riscix.h,
2144 arm/riscix1-1.h, arm/semiaof.h, arm/unknown-elf-oabi.h, arm/vxarm.h,
2145 c4x/rtems.h, clipper/clix.h, convex/convex.h, d30v/d30v.h,
2146 elxsi/elxsi.h, fr30/fr30.h, h8300/h8300.h, i370/linux.h, i370/mvs.h,
2147 i370/oe.h, i386/386bsd.h, i386/aix386ng.h, i386/beos-elf.h,
2148 i386/bsd386.h, i386/crtdll.h, i386/cygwin.h, i386/dgux.h,
2149 i386/djgpp-rtems.h, i386/djgpp.h, i386/freebsd-aout.h, i386/freebsd.h,
2150 i386/gnu.h, i386/i386-interix.h, i386/i386.h, i386/linux-aout.h,
2151 i386/linux-oldld.h, i386/linux.h, i386/lynx-ng.h, i386/lynx.h,
2152 i386/mach.h, i386/mingw32.h, i386/moss.h, i386/netbsd.h,
2153 i386/netware.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
2154 i386/osfelf.h, i386/osfrose.h, i386/ptx4-i.h, i386/rtems.h,
2155 i386/rtemself.h, i386/sco.h, i386/sco4.h, i386/sco4dbx.h, i386/sco5.h,
2156 i386/scodbx.h, i386/sequent.h, i386/sol2.h, i386/sun.h, i386/sysv3.h,
2157 i386/sysv4.h, i386/uwin.h, i386/vsta.h, i386/vxi386.h, i386/win-nt.h,
2158 i386/win32.h, i860/fx2800.h, i860/i860.h, i860/mach.h, i860/sysv3.h,
2159 i860/sysv4.h, i960/i960.h, i960/rtems.h, i960/vx960-coff.h,
2160 ia64/ia64.h, ia64/linux.h, m32r/m32r.h, m68k/3b1.h, m68k/3b1g.h,
2161 m68k/a-ux.h, m68k/altos3068.h, m68k/amix.h, m68k/apollo68.h,
2162 m68k/crds.h, m68k/ctix.h, m68k/dpx2.h, m68k/hp2bsd.h, m68k/hp320.h,
2163 m68k/hp3bsd.h, m68k/hp3bsd44.h, m68k/isi.h, m68k/linux-aout.h,
2164 m68k/linux.h, m68k/lynx-ng.h, m68k/lynx.h, m68k/m68kemb.h,
2165 m68k/m68kv4.h, m68k/mot3300.h, m68k/netbsd.h, m68k/news.h,
2166 m68k/next.h, m68k/openbsd.h, m68k/pbb.h, m68k/plexus.h, m68k/rtems.h,
2167 m68k/rtemself.h, m68k/sun2.h, m68k/sun3.h, m68k/sun3mach.h,
2168 m68k/tower-as.h, m68k/tower.h, m68k/vxm68k.h, m88k/dgux.h,
2169 m88k/dolph.h, m88k/luna.h, m88k/m88k-aout.h, m88k/m88k-coff.h,
2170 m88k/openbsd.h, m88k/sysv3.h, m88k/sysv4.h, mips/bsd-4.h,
2171 mips/bsd-5.h, mips/dec-bsd.h, mips/dec-osf1.h, mips/gnu.h,
2172 mips/iris3.h, mips/iris5.h, mips/iris6.h, mips/linux.h, mips/mips.h,
2173 mips/netbsd.h, mips/news4.h, mips/news5.h, mips/nws3250v4.h,
2174 mips/openbsd.h, mips/osfrose.h, mips/rtems64.h, mips/sni-svr4.h,
2175 mips/svr3-4.h, mips/svr3-5.h, mips/svr4-4.h, mips/svr4-5.h,
2176 mips/ultrix.h, ns32k/encore.h, ns32k/merlin.h, ns32k/netbsd.h,
2177 ns32k/ns32k.h, ns32k/pc532-mach.h, ns32k/pc532.h, ns32k/sequent.h,
2178 ns32k/tek6000.h, ns32k/tek6100.h, ns32k/tek6200.h, pa/pa-hiux.h,
2179 pa/pa-hpux.h, pa/pa-hpux7.h, pa/pa-linux.h, pa/pa-osf.h,
2180 pa/pa-pro-end.h, pa/pa.h, pa/rtems.h, pj/linux.h, pj/pj.h,
2181 romp/romp.h, rs6000/aix.h, rs6000/aix31.h, rs6000/aix41.h,
2182 rs6000/aix43.h, rs6000/beos.h, rs6000/eabi.h, rs6000/eabisim.h,
2183 rs6000/linux.h, rs6000/lynx.h, rs6000/mach.h, rs6000/rtems.h,
2184 rs6000/sysv4.h, rs6000/vxppc.h, sh/elf.h, sh/linux.h, sh/rtems.h,
2185 sh/rtemself.h, sh/sh.h, sparc/aout.h, sparc/elf.h, sparc/linux-aout.h,
2186 sparc/linux.h, sparc/linux64.h, sparc/lite.h, sparc/litecoff.h,
2187 sparc/liteelf.h, sparc/lynx-ng.h, sparc/lynx.h, sparc/netbsd.h,
2188 sparc/openbsd.h, sparc/pbd.h, sparc/rtems.h, sparc/rtemself.h,
2189 sparc/sol2-sld-64.h, sparc/sol2.h, sparc/sp64-aout.h,
2190 sparc/sp64-elf.h, sparc/sp86x-aout.h, sparc/sp86x-elf.h,
2191 sparc/sparc.h, sparc/sysv4.h, sparc/vxsim.h, sparc/vxsparc.h,
2192 v850/rtems.h, vax/netbsd.h, vax/openbsd.h, vax/ultrix.h, vax/vax.h,
2193 vax/vaxv.h, vax/vms.h, we32k/we32k.h
2195 Replace -A() with -A=, the new assertion syntax.
2197 Thu Nov 2 21:52:35 2000 J"orn Rennecke <amylaar@redhat.com>
2199 * combine.c (distribute_notes): Use rtx_equal_p to check elim_i2 /
2201 In REG_DEAD handling: When handling parts of multi-hard-reg hard
2202 registers, increment the loop counter by the size of the parts;
2203 use recursion to handle individual parts.
2205 2000-11-02 Neil Booth <neilb@earthling.net>
2207 * configure.in: Make integrated CPP the default.
2208 * configure: Regenerate.
2210 Thu Nov 2 19:20:12 2000 J"orn Rennecke <amylaar@redhat.com>
2212 * reload.c (find_equiv_reg): Test all hard registers for membership
2213 in the requested class.
2215 2000-11-02 Joseph S. Myers <jsm28@cam.ac.uk>
2217 * collect2.c (main, write_c_file_stat), gcc.c (translate_options,
2218 process_command, main), gcov.c (open_files, output_data), tlink.c
2219 (frob_extension, scan_linker_output), toplev.c
2220 (file_name_nondirectory): Use strchr () and strrchr () instead of
2221 index () and rindex ().
2223 2000-11-02 Joseph S. Myers <jsm28@cam.ac.uk>
2225 * c-common.c (get_flag_spec, check_format_info_main,
2226 check_format_types): Use strchr () instead of index (). Compare
2227 against error_mark_node instead of comparing the TREE_CODE against
2230 2000-11-02 Zack Weinberg <zackw@Stanford.EDU>
2234 * c-lex.c (init_c_lex): Update cpp_start_read call.
2235 (cb_ident): Update for new callback prototype.
2236 (cb_def_pragma): Update for new cpp_get_token prototype.
2237 (c_lex): Similarly. Use cpp_get_line.
2239 * c-parse.in (finish_parse): Update for new cpp_finish
2242 * cp/lex.c (finish_parse): Similarly.
2244 2000-11-01 Geoff Keating <geoffk@cygnus.com>
2246 * machmode.def: Add V16QImode.
2248 2000-11-01 Richard Henderson <rth@redhat.com>
2250 * dwarf2out.c (loc_descriptor_from_tree): Check for null result
2251 from rtl_for_decl_location.
2252 (add_location_or_const_value_attribute): Likewise.
2254 2000-11-01 Neil Booth <neilb@earthling.net>
2256 * cpplib.c (run_directive): Use correct line number for output
2257 of _Pragma. Remember any in-progress directive.
2259 * gcc.dg/cpp/vararg2.c, gcc.dg/cpp/_Pragm1.c: New tests.
2261 2000-11-01 Richard Henderson <rth@redhat.com>
2263 * stmt.c (expand_start_null_loop): Set continue_label.
2265 2000-11-01 Bernd Schmidt <bernds@redhat.co.uk>
2267 * builtins.c (fold_builtin_constant_p, fold_builtin): New functions.
2268 (expand_builtin_constant_p): Move parts of the code into
2269 fold_builtin_constant_p.
2270 (expand_builtin_strlen): Move parts of the code into fold_builtin.
2271 * expr.h (fold_builtin): Declare.
2272 * fold-const.c (fold): Handle builtin calls.
2274 * c-typeck.c (build_function_call): Call fold on the CALL_EXPR.
2276 2000-11-01 Richard Henderson <rth@redhat.com>
2278 * stmt.c (expand_start_null_loop): New.
2279 (expand_end_null_loop): New.
2280 * c-semantics.c (genrtl_do_stmt): Use them.
2281 * tree.h: Declare them.
2283 2000-11-01 Richard Henderson <rth@redhat.com>
2285 * cppmain.c (scan_buffer): Don't avoid paste for assembly.
2287 2000-11-01 Neil Booth <neilb@earthling.net>
2289 * c-parse.in (_yylex): Remove CPP_BACKSLASH case.
2290 * cp/spew.c: Similarly.
2291 * cpplex.c (_cpp_lex_token): Backslashes are now CPP_OTHER.
2292 * cppmacro.c (stringify_arg): Similarly.
2293 * cpplib.h (CPP_BACKSLASH): Delete.
2295 2000-10-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2297 * builtins.c (expand_builtin_strstr): New function.
2298 (expand_builtin): Handle BUILT_IN_STRSTR and BUILT_IN_STRCHR.
2300 * builtins.def (BUILT_IN_STRSTR, BUILT_IN_STRCHR): New entries.
2302 * c-common.c (c_common_nodes_and_builtins): Declare builtin strstr
2305 2000-10-31 Richard Henderson <rth@redhat.com>
2307 * config/i386/i386.c (fcmov_comparison_operator): Check for
2308 CCFPmode or CCFPUmode instead of CCmode.
2309 (ix86_expand_fp_movcc): Call ix86_expand_setcc for most
2310 unordered operations as well.
2312 2000-10-31 Richard Henderson <rth@redhat.com>
2314 * c-semantics.c (genrtl_do_stmt): Use integer_zerop instead
2315 of integer_zero_node.
2317 2000-10-31 Richard Henderson <rth@redhat.com>
2319 * c-semantics.c (genrtl_do_stmt): Special case do/while(0).
2321 2000-10-31 Nick Clifton <nickc@redhat.com>
2323 * config/arm/unknown-elf.h (UNIQUE_SECTION_P): Do not allow
2324 -fdata-sections to override the section attribute of a DECL.
2326 2000-10-31 Chris Demetriou <cgd@sibyte.com>
2328 * libgcc2.c (__shtab): Remove __shtab variable.
2329 * libgcc-std.ver (GCC_3.0): Remove __shtab from symbol list.
2330 * Makefile.in (LIB2FUNCS): Remove _shtab from list of library
2333 2000-10-31 Jim Wilson <wilson@redhat.com>
2335 * defaults.h (ASM_OUTPUT_DEBUG_LABEL): New.
2336 * tm.texi (ASM_OUTPUT_DEBUG_LABEL): Document.
2337 * dwarf2out.c (dwarf2out_begin_block): Use ASM_OUTPUT_DEBUG_LABEL
2338 instead of ASM_OUTPUT_INTERNAL_LABEL.
2339 (dwarf2out_end_block, dwarf2out_label): Likewise.
2340 * final.c (final_scan_insn, case NOTE_INSN_DELETED_LABEL): Likewise
2341 * config/ia64/ia64.h (ASM_OUTPUT_DEBUG_LABEL): Define.
2343 2000-10-31 Richard Henderson <rth@redhat.com>
2345 * dwarf2out.c (struct dw_loc_descr_struct): Add dw_loc_addr.
2346 (size_of_locs): Set it.
2347 (output_loc_operands): Use it to compute branch displacement.
2348 (int_loc_descriptor): New.
2349 (mem_loc_descriptor): Dereference memory in the proper size.
2350 Use DW_OP_plus_uconst when possible. Use int_loc_descriptor.
2351 (loc_descriptor_from_tree): New.
2352 (rtl_for_decl_location): Break out from ...
2353 (add_location_or_const_value_attribute): ... here.
2354 (add_bound_info): Use loc_descriptor_from_tree.
2356 2000-10-31 Neil Booth <neilb@earthling.net>
2358 * cpp.texi: Update for new command line assertion syntax.
2359 * cpplib.c (cpp_define): Simplify a bit.
2360 (cpp_assert, cpp_unassert): Use handle_assertion.
2361 (handle_assertion): New function; accept new command line
2363 * testsuite/gcc.dg/cpp/assert3.c: New tests.
2365 2000-10-31 Neil Booth <neilb@earthling.net>
2367 * cppmacro.c (STDC_0_IN_SYSTEM_HEADERS): Define to 0 if
2368 undefined. Remove #ifdef check.
2369 * config/i386/sol2.h, config/rs6000/sol2.h, config/sparc/sol2.h:
2370 Define STDC_0_IN_SYSTEM_HEADERS to 1.
2372 2000-10-31 Jan Hubicka <jh@suse.cz>
2373 Jakub Jelinek <jakub@redhat.com>
2375 * config/i386/i386.h: Clarify CCNOmode description in comment.
2376 (EXTRA_CC_MODES): Remove CCRCmode.
2377 * config/i386/i386.c (ix86_comparison_operator): Remove CCRCmode.
2378 (put_condition_code, ix86_match_ccmode): Likewise.
2379 (ix86_cc_mode): Likewise. Fix comment.
2380 (ix86_expand_strlensi_unroll_1): *rc patterns are gone.
2381 * config/i386/i386.md: Add unspec 12 description.
2382 (adddi3 split): Use unspec 12 instead of CCRCmode.
2383 (addsi3_carry_rc): Remove.
2384 (addsi3_cc, addqi3_cc): New patterns.
2385 (addsi_3): Swap operands, match CCZmode.
2386 (addsi_4): Rewritten.
2387 (addsi_5): Renamed from addsi_6.
2389 (addhi_3): Swap operands, match CCZmode.
2390 (addhi_4): Rewritten.
2391 (addhi_5): Renamed from addhi_6.
2393 (addqi_3): Swap operands, match CCZmode.
2394 (addqi_4): Rewritten.
2395 (addqi_5): Renamed from addqi_6. Use =q constraint for clobber.
2396 (subsi3_carry_rc): Removed.
2397 (iorqi_3): Use =q constraint for clobber.
2398 (xorqi_cc_2): Likewise.
2399 (negdi2_1 split): Don't use CCRCmode, use ltu instead of gtu.
2400 (x86_movsicc_0_m1_rc): Removed.
2401 (cmp?i peepholes): Remove neg. Use CCGCmode instead of CCRCmode.
2403 2000-10-31 Joseph S. Myers <jsm28@cam.ac.uk>
2405 * c-typeck.c (build_unary_op): If pedantic, pedwarn for increment
2406 and decrement of complex types.
2408 2000-10-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2410 * builtins.c (expand_builtin_fputs): When deleting NOP calls to
2411 builtin fputs, ensure we still evaluate the stream in case it
2414 2000-10-31 Jakub Jelinek <jakub@redhat.com>
2416 * expr.c (do_store_flag): Pass operand_mode instead of GET_MODE (op0)
2419 Tue Oct 31 15:33:27 2000 J"orn Rennecke <amylaar@redhat.com>
2421 * sh-protos.h (reg_no_subreg_operand, emit_fpscr_use): Don't declare.
2422 (fp_extended_operand, emit_fpscr_use): Likewise.
2423 * sh.c (reg_no_subreg_operand, fp_extended_operand): Delete functions.
2424 (fpul_operand): New function.
2425 * sh.h (PREDICATE_CODES): Remove reg_no_subreg_operand and
2426 fp_extended_operand. Add fpul_operand.
2427 * sh.md (mulsf3, mulsf3_i4): Use fp_arith_reg_operand for "f" operands.
2428 (mulsf3_ie, macsf3, cmpgtsf_t, cmpeqsf_t, ieee_ccmpeqsf_t): Likewise.
2429 (cmpgtsf_t_i4, cmpeqsf_t_i4, ieee_ccmpeqsf_t_4, negsf2): Likewise.
2430 (negsf2_i, sqrtsf2, sqrtsf2_i, abssf2, abssf2_i, adddf3): Likewise.
2431 (adddf3_i, subdf3, subdf3_i, muldf3, muldf3_i, divdf3): Likewise.
2432 (divdf3_i): Likewise.
2433 (floatsisf2): Likewise. Use fpul_operand for 'y' operand.
2434 (floatsisf2_i4, floatsisf2_ie, fix_truncsfsi2): Likewise.
2435 (fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i): Likewise.
2436 (fix_truncdfsi2, fix_truncdfsi2_i, extendsfdf2): Likewise.
2437 (extendsfdf2_i4, truncdfsf2, truncdfsf2_i4): Likewise.
2439 2000-10-31 Bernd Schmidt <bernds@redhat.co.uk>
2441 * config/i386/i386.c (ix86_init_builtins): Correct return type
2442 building v4hi_ftype_v4hi_int_int tree node.
2443 (ix86_expand_builtin): Use correct operand numbers 0 and 1.
2444 Copy operand 0 into a Pmode register, don't generate a MEM rtx.
2446 * config/i386/i386.md (sse_movntdi): Use mmx register constraint
2448 (mmx__uavgv8qi3): Correct insn mnemonic.
2449 (mmx_psadbw): Correct insn mnemonic. Use V8QI mode for operands 1 and 2.
2450 (mmx_punpckhwd): Correct insn mnemonic.
2451 (mmx_punpckhdq): Likewise.
2452 (mmx_punpcklwd): Likewise.
2453 (mmx_punpckldq): Likewise.
2454 (prefetch): Use immediare_operand and 'n' constraint for operand 1.
2455 Renumber case labels to match the _mm_prefetch constants defined in
2458 * recog.c (split_all_insns): Don't try to call cleanup_subreg_operands
2459 if the splitter didn't emit new insns.
2460 Make sure we call cleanup_subreg_operands even when splitting the last
2461 insn in a basic block.
2463 * invoke.texi (Debugging Options): Describe -do.
2464 * toplev.c (enum_dump_file_index): New entry DFI_postreload.
2465 (dump_file): Likewise.
2466 (rest_of_compilation): Split .greg dump into .greg and .postreload.
2468 2000-10-30 Neil Booth <neilb@earthling.net>
2470 * cppfiles.c (stack_include_file): Check for stacked contexts
2472 * cpphash.h (_cpp_do__Pragma): New prototype.
2473 * cppinit.c (cpp_reader_init): Add _Pragma keyword to hash table.
2475 * cpplex.c (skip_escaped_newlines): Only process trigraphs and
2476 escaped newlines if !(buffer->from_stage3).
2477 (_cpp_lex_token): Warn about missing newlines iff
2478 !buffer->from_stage3.
2480 * cpplib.c (get__Pragma_string, destringize,
2481 _cpp_do__Pragma): New functions.
2482 (run_directive): Set output_line for _Pragma to avoid line
2483 markers in output. Set from_stage3 and prevent macro expansion
2484 for _Pragma and command-line options. Check buffer exhaustion.
2485 (cpp_push_buffer): Don't check for stacked macro contexts, as
2486 this is perfectly legitimate for _Pragma. Move the check to
2487 stack_include_file instead. Set from_stage3 iff buffer is
2490 * cpplib.h (struct cpp_buffer): Make warned_cplusplus_comments
2491 unsigned. New boolean from_stage3.
2492 (struct spec_nodes): Add n__Pragma.
2494 * cppmacro.c (enter_macro_context): Flip sense of return value.
2495 (_cpp_get_token): Handle _Pragma operator.
2497 2000-10-30 Phil Edwards <pme@sources.redhat.com>
2499 * gcc.texi: The C++ standard isn't "draft" anymore.
2501 2000-10-30 Mark Mitchell <mark@codesourcery.com>
2503 * cppmacro.c (builtin_macro): Use NT_VOID, not T_VOID.
2505 2000-10-29 Neil Booth <neilb@earthling.net>
2507 * cpplib.c (skip_rest_of_line): Use _cpp_get_token.
2509 2000-10-29 Joseph S. Myers <jsm28@cam.ac.uk>
2511 * toplev.c, flags.h, fold-const.c, real.c, rtl.c,
2512 fixinc/inclhack.def: Change comments mentioning C9X to refer to
2515 * invoke.texi: Document that -V will only work for very similar
2516 versions of driver and compiler.
2518 2000-10-29 Neil Booth <neilb@earthling.net>
2520 * cppmacro.c (_cpp_create_definition): Optimize the case of
2521 a macro defined to itself.
2523 2000-10-29 Neil Booth <neilb@earthling.net>
2525 * cpplex.c (save_comment): Don't store new lines in C++ comments.
2527 2000-10-29 Michael Hayes <mhayes@redhat.com>
2529 * integrate.c (copy_insn_list): Copy the unchanging flag for calls.
2531 2000-10-28 Geoffrey Keating <geoffk@cygnus.com>
2533 * cpphash.c (cpp_forall_identifiers): Add context variable
2534 for callback routine.
2535 * cppmain.c (dump_macro): Update to match cpp_forall_identifiers
2537 (main): Call cpp_forall_identifiers with null context.
2538 * cpplib.h (cpp_forall_identifiers): Update prototype.
2540 * cppmain.c: Make `parse_in' and `print' static.
2542 2000-10-28 Alan Modra <alan@linuxcare.com.au>
2544 * c-decl.c (finish_function): Clear c_function_name_declared_p.
2546 2000-10-28 Richard Henderson <rth@redhat.com>
2548 * regrename.c (scan_rtx_address): Frob action, not class,
2549 when trying to disable optimization.
2551 2000-10-28 Mark Mitchell <mark@codesourcery.com>
2553 * c-semantics.c (make_rtl_for_local_static): Don't clobber
2554 DECL_ASSEMBLER_NAME.
2556 2000-10-28 Joseph S. Myers <jsm28@cam.ac.uk>
2558 * configure.in: Determine and substitute gcc_version_full.
2559 * configure: Regenerate.
2560 * gccbug.in: Use it to give full version. Don't allow
2563 2000-10-28 Richard Henderson <rth@redhat.com>
2565 * recog.c (split_all_insns): Run cleanup_subreg_operands
2568 * regrename.c (regrename_optimize): Verify that all registers of
2569 a multiple register mode are available.
2570 (scan_rtx_address): Accept the mode of the address; all callers
2573 * cpplib.c (run_directive): Fix prototype.
2575 2000-10-28 Bernd Schmidt <bernds@redhat.co.uk>
2577 * reload.c (find_reloads): Distinguish "wins" so that we know whether
2578 a given operand won because of a matching constraint or not; then use
2579 that information to compute goal_alternative_matched properly.
2580 * reload1.c (choose_reload_regs): Never set reload_override_in for an
2583 * config/ia64/ia64.h (RTX_COSTS): A few more entries, and a more
2584 accurate value for MULT.
2585 * config/ia64/ia64.c (ia64_print_operand): Require probability to be
2586 2% or > 98% before using static branch prediction bits.
2588 2000-10-28 Neil Booth <neilb@earthling.net>
2592 * cpplib.c (struct answer): New.
2593 (struct if_stack): Use cpp_lexer_pos rather than line and col.
2594 Rename cmacro mi_cmacro.
2595 (struct directive, KANDR, STDC89, EXTENSION, COND, IF_COND, INCL,
2596 IN_I): New directive and flags.
2597 (skip_rest_of_line, check_eol, run_directive, glue_header_name,
2598 parse_answer, parse_assertion, find_answer): New functions.
2599 (parse_ifdef, detect_if_not_defined, validate_else): Remove.
2600 (lex_macro_node): New function to replace parse_ifdef and
2603 (_cpp_handle_directive): New function, combines _cpp_check_directive
2604 and _cpp_check_linemarker.
2606 (do_define, do_undef, parse_include, do_include, do_import,
2607 do_include_next, read_line_number, do_line, do_ident, do_pragma,
2608 do_pragma_once, do_pragma_poison, do_pragma_dependency):
2609 Update for new token getting interface.
2611 (do_ifdef, do_ifndef, do_if, do_else, do_endif, push_conditional)
2612 : Update for new multiple-include optimisation technique.
2613 (do_elif): Don't forget to invalidate controlling macros.
2615 (unwind_if_stack, cpp_defined, cpp_push_buffer, cpp_pop_buffer): Update.
2616 (parse_assertion, parse_answer, find_answer, _cpp_test_assertion):
2617 Functions to handle assertions with the new token interface.
2618 (do_assert, do_unassert): Use them.
2620 (cpp_define, _cpp_define_builtin, cpp_undef, cpp_assert, cpp_unassert):
2623 (_cpp_init_stacks): Register directive names. Don't register special
2626 * cpperror.c (print_containing_files, _cpp_begin_message): Update to
2627 new position recording regime.
2628 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
2629 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line,
2630 cpp_pedwarn_with_file_and_line): Update for _cpp_begin_message changes.
2631 (cpp_type2name): Move to cpplex.c.
2633 * cppexp.c (parse_charconst): spec_nodes is no longer a pointer.
2634 (parse_defined): Update to handle new multiple include optimisation
2635 method. Remove poisoned identifier warning.
2636 (parse_assertion, TYPE_NAME): Delete.
2637 (lex): Update for multiple include optimisation, removal of
2638 CPP_DEFINED, to use _cpp_test_assertion for assertions and
2640 (_cpp_parse_expr): Update for MI optimisation, and to use op_as_text.
2641 (op_as_text): New function, to wrap cpp_token_as_text.
2643 * cppfiles.c (stack_include_file, _cpp_pop_file_buffer):
2644 Update for MI optimisation.
2645 (_cpp_execute_include): Take a token rather than 3 arguments. Fix
2646 segfault on diagnostic.
2647 (_cpp_compare_file_date): Take a token rather than 3 args.
2648 (cpp_read_file): Work correctly for zero-length files.
2650 * cpphash.c (_cpp_init_macros, _cpp_cleanup_macros): Rename
2651 _cpp_init_hashtable and _cpp_cleanup_hashtable.
2652 (cpp_lookup): Place identifiers at front of identifier pool
2653 for _cpp_lookup_with_hash.
2654 (_cpp_lookup_with_hash): Require identifiers to be at the front of
2655 the identifier pool. Commit the memory if not already in the
2658 * cppinit.c (cpp_reader_init): Move cpp_init_completed test to top.
2659 Initialise various members of cpp_reader, memory pools, and the
2661 (cpp_printer_init): Delete.
2662 (cpp_cleanup): Update.
2663 (struct builtin, builtin_array, initialize_builtins): Update for new
2664 hashnode definition and builtin handling.
2665 (cpp_start_read, cpp_finish): Don't take or initialise a
2668 * cpplib.h (cpp_printer, cpp_toklist, CPP_DEFINED, BOL,
2669 PASTED, VAR_ARGS, BEG_OF_FILE, IN_DIRECTIVE, KNOWN_DIRECTIVE,
2670 T_VOID, T_SPECLINE, T_DATE, T_FILE, T_BASE_FILE, T_INCLUDE_LEVEL,
2671 T_TIME, T_STDC, T_OPERATOR, T_POISON, T_MACRO, T_ASSERTION): Delete.
2672 (struct cpp_pool, struct cpp_macro, struct cpp_lexer_pos,
2673 struct cpp_lookahead, CPP_DHASH, enum mi_state, enum mi_ind,
2674 NO_EXPAND, VARARGS_FIRST, struct cpp_token_with_pos,
2675 struct toklist, struct cpp_context, struct specnodes,
2676 TOKEN_LOOKAHEAD, TOKEN_BUFFSIZE, NODE_OPERATOR, NODE_POISONED,
2677 NODE_BUILTIN, NODE_DIAGNOSTIC, NT_VOID, NT_MACRO, NT_ASSERTION,
2678 enum builtin_type, cpp_can_paste): New.
2679 (struct cpp_token): Delete line and col members.
2680 (struct cpp_buffer): New member output_lineno.
2681 (struct lexer_state): Delete indented, in_lex_line, seen_dot.
2682 Add va_args_ok, poisoned_ok, prevent_expansion, parsing_args.
2683 (struct cpp_reader): New members lexer_pos, macro_pos, directive_pos,
2684 ident_pool, temp_string_pool, macro_pool, argument_pool, string_pool,
2685 base_context, context, directive, mi_state, mi_if_not_defined,
2686 mi_lexed, mi_cmacro, mi_ind_cmacro, la_read, la_write, la_unused,
2687 mlstring_pos, macro_buffer, macro_buffer_len.
2688 Delete members mls_line, mls_column, token_list, potential_control_macro,
2689 temp_tokens, temp_cap, temp_alloced, temp_used, first_directive_token,
2690 context_cap, cur_context, no_expand_level, paste_level, contexts, args,
2691 save_parameter_spellings, need_newline, .
2692 Change type of date, time and spec_nodes members.
2693 Change prototypes for include and ident callbacks.
2694 (struct cpp_hashnode): Change type of name. Remove union members
2695 expansion and code. Add members macro, operator and builtin.
2697 (cpp_token_len, cpp_token_as_text, cpp_spell_token, cpp_start_read,
2698 cpp_finish, cpp_avoid_paste, cpp_get_token, cpp_get_line,
2699 cpp_get_output_line, cpp_macro_definition, cpp_start_lookahead,
2700 cpp_stop_lookahead): New prototypes.
2701 (cpp_printer_init, cpp_dump_definition): Delete prototypes.
2703 (U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr, ufputs):
2704 Move from cpphash.h.
2706 * cpphash.h (U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr,
2707 ufputs): Move to cpplib.h.
2708 (enum spell_type, struct token_spelling, _cpp_token_spellings, TOKEN_SPELL,
2709 TOKEN_NAME, struct answer, FREE_ANSWER, KANDR, STDC89, EXTENSION,
2710 COND, EXPAND, INCL, COMMENTS, IN_I, struct directive, directive_handler,
2711 struct spec_nodes, _cpp_digraph_spellings, _cpp_free_temp_tokens,
2712 _cpp_init_input_buffer, _cpp_grow_token_buffer, _cpp_init_toklist,
2713 _cpp_clear_toklist, _cpp_expand_token_space, _cpp_expand_name_space,
2714 _cpp_equiv_tokens, _cpp_equiv_toklists, _cpp_process_directive,
2715 _cpp_run_directive, _cpp_get_line, _cpp_get_raw_token, _cpp_glue_header_name,
2716 _cpp_can_paste, _cpp_check_directive, _cpp_check_linemarker,
2717 _cpp_parse_assertion, _cpp_find_answer): Delete.
2718 (VALID_SIGN, ALIGN, POOL_FRONT, POOL_LIMIT, POOL_BASE, POOL_SIZE,
2719 POOL_USED, POOL_COMMIT, struct cpp_chunk, _cpp_lex_token, _cpp_init_pool,
2720 _cpp_free_pool, _cpp_pool_reserve, _cpp_pool_alloc, _cpp_next_chunk,
2721 _cpp_lock_pool, _cpp_unlock_pool, _cpp_test_assertion,
2722 _cpp_handle_directive, DSC): New.
2723 (struct include_file): New member defined.
2725 (DO_NOT_REREAD, _cpp_begin_message, _cpp_execute_include,
2726 _cpp_compare_file_date): Update.
2727 (_cpp_pop_context, _cpp_get_token, _cpp_free_lookaheads, _cpp_push_token): New.
2728 (_cpp_init_macros, _cpp_cleanup_macros): Rename to _cpp_init_hashtable,
2729 _cpp_cleanup_hashtable.
2731 * Makefile.in: Remove cppoutput.c.
2733 * cppoutput.c: Delete
2735 * fixheader.c (read_scan_file): Update for new cpp_get_token
2737 (recognized_function): New argument LINE.
2739 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
2740 new cpp_get_token prototype.
2742 * scan.h (recognized_function): Update prototype.
2744 * po/POTFILES.in: Remove cppoutput.c.
2746 2000-10-27 Mark Mitchell <mark@codesourcery.com>
2748 * c-typeck.c (check_init_type_bitfields): Remove.
2749 (constructor_incremental): Likewise.
2750 (struct constructor_stack): Remove incremental bit.
2751 (struct initializer_stack): Likewise.
2752 (start_init): Don't play with constructor_incremental.
2753 (finish_init): Likewise.
2754 (really_start_incremental_init): Likewise.
2755 (push_init_level): Likewise.
2756 (pop_init_level): Likewise.
2757 (output_init_level): Likewise.
2758 (output_pending_init_elements): Likewise.
2760 2000-10-21 Mike Coleman <mcoleman2@kc.rr.com>
2762 * c-pragma.c (handle_pragma_pack): Initialize align to -1.
2763 Improve error messages. Correct parsing of
2764 #pragma pack(pop [,id]). Do not check the user-supplied
2765 alignment if we're popping.
2767 * gcc.dg/pack-test-1.c: New test case.
2768 * gcc.dg/pack-test-2.c: New test case.
2769 * gcc.dg/pack-test-1.h: New file.
2771 2000-10-27 Neil Booth <neilb@earthling.net>
2775 2000-10-27 Kelley Cook <kelley.cook@home.com>
2777 * invoke.texi: Document -mintel-syntax
2779 2000-10-27 Richard Henderson <rth@redhat.com>
2781 * invoke.texi: Document -frename-registers. Add it to -O3.
2782 * toplev.c (rest_of_compilation): Run regrename before ifcvt2.
2783 (enum dump_file_index, dump_file): Update order.
2784 (main): Set flag_rename_registers at -O3.
2786 2000-10-27 Richard Henderson <rth@redhat.com>
2788 * config/alpha/alpha.h (enum reg_class): Add PV_REG.
2789 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS): Update.
2790 (REG_CLASS_FROM_LETTER): Assign it to 'c'.
2791 * config/alpha/alpha.md (call_osf_1): Use it.
2792 (call_value_osf_1): Likewise.
2794 * config/ia64/ia64.c: Revert 10-23 patch.
2795 (ia64_hard_regno_rename_ok): New.
2796 * config/ia64/ia64-protos.h: Declare it.
2797 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK): Use it.
2799 2000-10-27 Bernd Schmidt <bernds@redhat.co.uk>
2800 Richard Henderson <rth@redhat.com>
2802 * regrename.c: Rewrite to handle multi-register modes and
2803 cond_exec instructions.
2804 * Makefile.in (regrename.o): Update dependancies.
2805 * recog.h (struct operand_alternative): Add is_address.
2806 * recog.c (preprocess_constraints) [case 'p']: Set it.
2808 2000-10-27 Zack Weinberg <zack@wolery.stanford.edu>
2810 * configure.in: If not NO_MINUS_C_MINUS_O, substitute
2811 OUTPUT_OPTION with '-o $@'. Make zlibdir, zlibinc relative to
2812 top level. Kill oldstyle_subdirs. Do not include
2813 $srcdir/$s/Makefile.in in all_lang_makefiles, but do include
2814 $outputs. Do not run configure.lang from config.status.
2815 Rearrange warning-flag logic to correspond to what the
2816 makefile wants. Put special vax stage1 options in
2817 @stage1_flags@ not @stage1_warn_cflags@. Don't do anything
2818 with extra_c_objs, extra_cxx_objs, or extra_cpp_objs.
2819 (--enable-c-cpplib): AC_SUBST(maybe_cpplib) with "libcpp.a" if
2820 switch is given, nothing otherwise.
2821 * configure.lang: Delete.
2823 * Makefile.in: Expunge all traces of extra_c_objs,
2824 extra_cxx_objs, and extra_cpp_objs. Set MAYBE_CPPLIB from
2825 @maybe_cpplib@. Add $(MAYBE_CPPLIB) to C_AND_OBJC_OBJS. Set
2826 warning options via a three level scheme so that -pedantic and
2827 -Wtraditional are not used for non-C front ends: LOOSE_WARN,
2828 STRICT1_WARN, STRICT2_WARN -> $(@D)-warn, GCC_WARN_CFLAGS ->
2829 WARN_CFLAGS. Distinguish STAGE1_CFLAGS from BOOT_CFLAGS.
2830 Add -I$(@D) and -I$(srcdir)/$(@D) to INCLUDES.
2831 Set OUTPUT_OPTION, ZLIB, ZLIBINC. Do not set P,
2832 LANG_FLAGS_TO_PASS. Add OUTPUT_OPTION to all object-file
2833 generation rules. Wrap all rules that change the current
2834 directory in parentheses; pmake doesn't spawn a new shell for
2835 each command. Expunge all references to $(P). When one
2836 command depends on another and they're run all at once, use &&
2837 to separate them, not ;. Add libgcc_s$(SHLIB_EXT) to files
2838 deleted on make clean. Force OUTPUT_OPTION='-o $@' in stage2
2841 * objc/Make-lang.in: Wrap all rules that change the current
2842 directory in parentheses. Expunge all references to $(P).
2843 When one command depends on another and they're run all at
2844 once, use && to separate them, not ;. Add OUTPUT_OPTION to
2845 all object-file generation rules. Delete obsolete variables.
2846 * objc/Makefile.in: Delete.
2848 2000-10-27 Jakub Jelinek <jakub@redhat.com>
2850 * calls.c (expand_call): If sibcall_failure is set during pass 1,
2851 clear tail_call_insns as well.
2853 2000-10-27 Nick Clifton <nickc@redhat.com>
2855 * config/arm/arm-protos.h (arm_function_ok_for_sibcall): Add
2858 2000-10-26 Richard Henderson <rth@redhat.com>
2860 * calls.c (expand_call): Supress sibcall if we have a
2861 BLKmode return in registers.
2863 2000-10-26 Bernd Schmidt <bernds@redhat.co.uk>
2865 * ia64.h (PREFERRED_RELOAD_CLASS): Force floating point constants
2868 2000-10-26 Nathan Sidwell <nathan@codesourcery.com>
2870 * tree.c (make_node, case 't'): Set alignment to that of
2872 * expr.c (move_by_pieces_ninsns): Abort if some length remains.
2874 2000-10-25 Mark Mitchell <mark@codesourcery.com>
2876 * Makefile.in (site.exp): Define HAVE_LIBSTDCXX_V3.
2877 * configure.in (enable-libstdcxx-v3): Arrange to have
2878 HAVE_LIBSTDCXX_V3 substituted into the output files.
2880 2000-10-25 Richard Henderson <rth@redhat.com>
2882 * recog.c (constrain_operands): Initialize which_alternative
2883 before no alternatives early exit.
2885 * cse.c (find_comparison_args): Check that we can reverse a
2886 comparison if needed before accepting the substitution.
2888 * reload.c (find_reloads_address_part): Kill rtx obstack hackery.
2890 * simplify-rtx.c (simplify_relational_operation): Sign extend
2891 low words before sign extending to high words.
2893 2000-10-25 Nick Clifton <nickc@redhat.com>
2895 * config/mcore/mcore.c: Include config.h before system.h.
2897 2000-10-25 Ray Essick <essick@ddna.labs.mot.com>
2899 * config/mcore/mcore.md (return): Force function epilogue to
2900 always be generated to work around epilogue suppression bug in
2903 2000-10-25 Joseph S. Myers <jsm28@cam.ac.uk>
2905 * c-decl.c (grokdeclarator): Move warning for qualified void
2906 return types with -pedantic to when the function type is
2907 constructed. At -W, warn in general for qualified function return
2908 types, except for volatile void.
2909 * invoke.texi: Document this new warning at -W.
2911 2000-10-25 Neil Booth <neilb@earthling.net>
2913 * cpp.texi: Update with implementation-defined behavior and
2916 2000-10-25 Jakub Jelinek <jakub@redhat.com>
2918 * stor-layout.c (layout_type): If TYPE_ALIAS_SET was already set on the
2919 incomplete type force it into alias set 0.
2921 Wed Oct 25 01:02:44 EDT 2000 John Wehle (john@feith.com)
2923 * alias.c: Include basic-block.h.
2924 (loop_p): New function.
2925 (mark_constant_function): Use it.
2926 * Makefile.in (alias.o): Update dependencies.
2928 2000-10-24 Aldy Hernandez <aldyh@redhat.com>
2930 * config/mn10300/mn10300.c (secondary_reload_class): Treat pseudos
2933 2000-10-24 Jim Wilson <wilson@cygnus.com>
2935 * expmed.c (store_bit_field): Move integer pun code down after
2936 code that calls emit_move_insn for entire register move.
2937 * stor-layout.c (compute_record_mode): Revert Mar 25, Aug 18, and
2938 Oct 20 changes. Only store mode in TYPE_MODE if RECORD_TYPE.
2940 2000-10-24 Richard Henderson <rth@cygnus.com>
2942 * rtlanal.c (rtx_unstable_p, rtx_varies_p): Don't consider pic
2943 register stable if PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
2945 2000-10-24 Aldy Hernandez <aldyh@redhat.com>
2947 * gcse.c (cprop_insn): do not propagate constants into jump_insn
2948 for machines with CC0 more than once.
2950 2000-10-24 Richard Henderson <rth@cygnus.com>, Aldy <aldyh@cygnus.com>
2952 * config/mn10300/mn10300.h (PREFERRED_RELOAD_CLASS): Treat
2953 pseudos just like memory.
2955 2000-10-24 Alexandre Oliva <aoliva@redhat.com>
2957 * combine.c (distribute_notes): Discard REG_LIBCALL and REG_RETVAL
2958 when deleting libcall sequence collapsed to a single instruction.
2960 2000-10-24 Andrew Haley <aph@cygnus.co.uk>
2962 * expr.c (do_store_flag): Don't crash if either side of a
2963 comparison is error_mark_node.
2965 2000-10-24 Jakub Jelinek <jakub@redhat.com>
2967 * sibcall.c (purge_mem_unchanging_flag): New function.
2968 (optimize_sibling_and_tail_recursive_calls): Call it.
2970 2000-10-24 Philipp Thomas <pthomas@suse.de>
2972 * Makefile.in (check-po): New target for doing checks in the po
2973 subdir if all languages configured.
2974 (CHECK_TARGETS): Add @CHECK_PO@, replaced with check-po via
2975 configure if NLS is enabled.
2976 * configure.in: If NLS is enabled, substitute CHECK_PO by check-po,
2977 otherwise leave empty.
2978 * configure: Regenerate.
2980 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
2982 * i386.c (print_operand): Handle new 'A' formatting code.
2983 387 opcodes need suffixes even with -mintel-syntax.
2984 Check for explicit size override (codes 'b', 'w' and 'k').
2985 (print_operand_address): Check if register prefix is needed when
2986 emitting `ds' segment override.
2987 * i386.h: Add comment about new 'A' formatting code.
2988 * i386.md (jump and call patterns): Emit absolute references using %A.
2990 2000-10-23 Richard Henderson <rth@cygnus.com>
2992 * config/ia64/ia64.c (ia64_expand_prologue): Mark extra
2993 output registers as fixed.
2994 (ia64_function_epilogue): Undo output fixation.
2996 2000-10-23 Richard Henderson <rth@cygnus.com>
2998 * config/alpha/alpha.md: Add names for all unnamed insns; use
2999 define_insn_and_split in some obvious places.
3001 (zero_extendqihi2): Use an expander w/ nonimmediate_operand for BWX.
3002 (zero_extendqisi2, zero_extendqidi2): Likewise.
3003 (zero_extendhisi2, zero_extendhidi2): Likewise.
3004 (abs splitters): Fix match_scratch operand number.
3005 (bcc_reverse): Swap pc & label instead of non-canonical compare.
3007 2000-10-23 Jim Wilson <wilson@cygnus.com>
3009 * ia64.c (ia64_print_operand, case 'r'): Correct comment. Handle
3011 * ia64.md (cmpsi_adjusted): Use %r3.
3012 (cmpdi_adjusted): Likewise.
3014 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
3016 * config/i386/att.h (ASM_FILE_START): Define.
3018 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
3020 * config/i386/linux.h (ASM_FILE_START): Define.
3022 Wed Oct 18 11:16:40 2000 Donald Lindsay <dlindsay@cygnus.com>
3024 * gcc/configure.in: m68k-coff tm_file should not have libgloss.h,
3025 since this (only) drags in a crt0.o reference that the .ld files
3028 2000-10-23 Geoff Keating <geoffk@cygnus.com>
3030 * reload1.c (reload_reg_reaches_end_p): A RELOAD_OTHER can
3031 overwrite the value in a RELOAD_FOR_INPUT and other kinds of
3032 reloads just like an RELOAD_FOR_OUTPUT would.
3034 * local-alloc.c (update_equiv_regs): Add an abort(). When
3035 deleting or moving insns, update reg_equiv[regno].init_insns.
3037 2000-10-23 Mark Mitchell <mark@codesourcery.com>
3039 * c-tree.texi: Improve documentation for IF_STMTs and related
3040 conditional statements.
3042 2000-10-22 Mark Mitchell <mark@codesourcery.com>
3044 * expr.c (do_preexpand_calls): Remove.
3045 (same_from_p): Don't use CALL_EXPR_RTL.
3046 (expand_expr): Don't call preexpand_calls, or use CALL_EXPR_RTL.
3047 (preexpand_calls): Remove.
3048 * tree.c (first_rtl_op): Remove CALL_EXPR case.
3049 (unsave_expr_1): Likewise.
3050 * tree.def (CALL_EXPR): Give it only two slots.
3051 * tree.h (CALL_EXPR_RTL): Remove.
3053 2000-10-21 Chandrakala Chavva <cchavva@redhat.com>
3055 * libgcc-std.ver (__addvsi3, __addvdi3, __subvsi3, __subvdi3,
3056 __mulvsi3, __negvsi2, __negvdi2, __absvsi2, __absvdi2, __mulvdi3):
3059 2000-10-22 Alexandre Oliva <aoliva@redhat.com>
3061 * calls.c (combine_pending_stack_adjustment_and_call): Don't
3062 adjust stack when unadjusted_alignment ends up as zero.
3064 2000-10-22 Joseph S. Myers <jsm28@cam.ac.uk>
3066 * fixinc/genfixes: Remove EGCS reference.
3067 * install.texi: Remove EGCS reference.
3068 * INSTALL: Regenerate.
3070 2000-10-22 Mark Mitchell <mark@codesourcery.com>
3072 * tree.h (TYPE_IS_SIZETYPE): Add more documentation.
3074 2000-10-21 Joseph S. Myers <jsm28@cam.ac.uk>
3076 * diagnostic.c: Remove EGCS reference in comment.
3078 Sat Oct 21 08:24:25 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3080 * loop.c (strength_reduce): Fix error in last change.
3082 2000-10-20 David Edelsohn <edelsohn@gnu.org>
3084 * Makefile.in (SHLIB_NM_FLAGS): New.
3085 (libgcc.mk): Pass it.
3086 * mklibgcc.in (libgcc.map): Use it.
3088 * rs6000/t-aix43 (SHLIB_EXT, SHLIB_LINK, SHLIB_LIBS,
3089 SHLIB_MKMAP, SHLIB_MAPFILES, SHLIB_NM_FLAGS): New.
3091 2000-10-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3093 * mips.h (REG_CLASS_FROM_LETTER): Cast array arg to unsigned char.
3095 * sparc.c (load_pic_register): Delete unused varaible.
3097 * libgcc2.c (__addvsi3): Delete unused variable.
3099 * libgcc2.h (__absvsi2, __absvdi2, __addvsi3, __addvdi3,
3100 __subvsi3, __subvdi3, __mulvsi3, __mulvdi3, __negvsi2,
3101 __negvdi2): Prototype.
3103 * ssa.c (apply_delayed_renames): Avoid undefined operation.
3105 * toplev.c (display_target_options): Make static to match
3106 prototype. Delete empty declaration.
3108 2000-10-20 Tom Tromey <tromey@cygnus.com>
3110 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Added -MF and -MT.
3111 * gcc.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Added -MF and -MT.
3113 Fri Oct 20 17:05:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3115 * expr.c (expand_expr, case SAVE_EXPR): Set RTX_UNCHANGING_P on
3117 (expand_expr_unaligned, case ARRAY_REF): Check that index is
3118 a constant before comparing it; use tree_low_cst.
3119 * tree.c (save_expr): Set TREE_READONLY.
3120 (substitute_expr): Return inside of NON_LVALUE_EXPR.
3121 (build, build1): Set TREE_READONLY if all operands are.
3122 (build_index_type): If upper bound is a negative number, lower
3123 bound is zero and sizetype is unsigned, use upper bound of one and
3126 2000-10-20 David Edelsohn <edelsohn@gnu.org>
3128 * gcc.c (process_command, main): Use "because" instead of
3129 "since" in error messages.
3131 Fri Oct 20 13:33:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3133 * stor-layout.c (compute_record_mode): Use tree_low_cst.
3134 Don't use mode of field for record unless sizes are the same.
3135 (layout_type, case ARRAY_TYPE): Remove special bounds handling
3136 previously added for Ada; also change to using host_integerp
3139 * loop.c (strength_reduce): Show when new register made for
3140 giv is known to be a pointer and its aligment if so and known.
3141 (loop_dump_aux): Show VERBOSE parameter unused.
3143 * gcse.c (set_hash_table_size): Now unsigned.
3144 * sdbout.c (template_name_p): Add "const" to avoid warnings.
3145 (sdbout_record_type_name, plain_type_1, sdbout_symbol): Likewise.
3146 (sdbout_one_type, sdbout_parms, sdbout_reg_parms): Likewise.
3147 (sdbout_end_epilogue): Remove variable NAME.
3148 * system.h (getopt): Add default definition.
3149 * config/alpha/alpha.c (print_operand): Don't continue processing
3150 after issuing error.
3151 (summarize_insn): Avoid use of UL in constant.
3153 * function.c (locate_and_pad_parm): Use host_integerp and tree_low_cst.
3155 * fold-const.c (force_fit_type): Unsigned values can overflow
3156 if they are sizetype.
3157 (int_const_binop): Don't use cache if overflows.
3159 2000-10-20 Richard Henderson <rth@cygnus.com>
3161 * function.c (locate_and_pad_parm): Zero alignment_pad.
3163 * regrename.c (rr_replace_reg): Rewrite to use recog_data to
3164 perform substitutions, and apply_change_group to see if it worked.
3166 Fri Oct 20 13:33:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3168 * dwarf2out.c (add_bound_info): Also ignore COND_EXPR.
3170 * combine.c (struct undo): Change int to unsigned int.
3171 (do_SUBST_INT): Args are unsigned int.
3172 (make_extraction, force_to_mode): Use proper type when forming mask.
3173 (make_field_assignment): Likewise.
3175 2000-10-20 Joseph S. Myers <jsm28@cam.ac.uk>
3177 * c-common.c (check_format_info_recurse): Extract string constant
3178 initializers from non-volatile constant arrays and check them as
3180 * c-typeck.c (decl_constant_value): Don't check pedantic or check
3181 for DECL_MODE (decl) != BLKmode.
3182 (decl_constant_value_for_broken_optimization): New function which
3183 includes these checks.
3184 (default_conversion, convert_for_assignment, digest_init): Use
3185 decl_constant_value_for_broken_optimization instead of
3186 decl_constant_value.
3188 2000-10-20 Mark Mitchell <mark@codesourcery.com>
3190 * tree.h (DECL_ALIGN_UNIT): New macro.
3192 2000-10-14 Marek Michalkiewicz <marekm@linux.org.pl>
3194 * config/avr/avr-protos.h (avr_output_bld): New.
3195 (out_shift_with_cnt): Add t_len argument.
3196 * config/avr/avr.c (avr_num_arg_regs): Remove -mpack-args.
3197 (output_movqi, output_movhi, output_movsisf): Optimize loading
3198 any constant with exactly one bit set to NO_LD_REGS.
3199 (out_shift_with_cnt): Optimize output code for size or speed,
3200 depending on optimize_size. Handle small shift counts as well
3201 (if not hand-optimized in ?sh??i3_out). Shifts can be done
3202 with or without a scratch register, with help of __tmp_reg__
3203 or __zero_reg__ if necessary. Add T_LEN argument to pass the
3204 length of TEMPLATE in words, return total insn length in *LEN.
3205 (ashlqi3_out, ashrqi3_out, lshrqi3_out): Change all calls to
3206 out_shift_with_cnt to work with the above change.
3207 (ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out, lshrhi3_out,
3208 lshrsi3_out): Likewise. Optimize more known shift count cases.
3209 Remove cases already well optimized in out_shift_with_cnt.
3210 (avr_output_bld): New function.
3211 * config/avr/avr.h (MASK_PACK_ARGS, TARGET_PACK_ARGS): Remove.
3212 (TARGET_SWITCHES): Remove -mpack-args backward compatibility.
3213 * config/avr/avr.md (*reload_inqi, *reload_inhi, *reload_insi):
3214 Add reload_completed to insn condition - only for peepholes.
3215 (ashlqi3, ashrqi3, lshrqi3): Correct insn length for shift counts
3216 in a register or memory.
3217 (ashlhi3, ashlsi3, ashrhi3, ashrsi3, lshrhi3, lshrsi3): Likewise.
3218 Do not require a scratch register.
3219 (*ashlhi3_const, *ashlsi3_const, *ashrhi3_const, *ashrsi3_const,
3220 *lshrhi3_const, *lshrsi3_const): New insns and matching peepholes.
3221 Optimize shifts by known count using a scratch register, but only
3222 if one is still available after register allocation.
3224 2000-10-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3226 * t-vax: New file. Don't build modules from libgcc1.c.
3228 Fri Oct 20 00:57:00 EDT 2000 John Wehle (john@feith.com)
3230 * alias.c: (mark_constant_function): Don't check pure functions.
3231 Initialize and end alias analysis.
3232 (nonlocal_mentioned_p): Rename from nonlocal_reference_p.
3233 Don't make a special exception for recursion. Handle
3234 UNSPEC_VOLATILE. Don't assume ASM_OPERANDS is non-local
3235 unless it's volatile.
3237 * local-alloc.c (equivalence): New structure.
3238 (reg_equiv): Define.
3239 (contains_replace_regs): Remove array and use
3241 (memref_referenced_p): Likewise.
3242 (no_equiv): Likewise.
3243 (update_equiv_regs): Likewise.
3245 (equiv_init_varies_p,
3246 equiv_init_movable_p): New functions.
3247 (update_equiv_regs): Use them. Use rtx_varies_p
3248 instead of function_invariant_p. Process insns
3249 from end to beginning. Allow a REG_EQUIV insn
3250 within the same loop as a use to be moved, also
3251 allow it to be moved out of a loop. Update
3252 REG_DEAD notes when substituting into an insn.
3254 2000-10-19 Jim Wilson <wilson@cygnus.com>
3256 * c-decl.c (start_decl): Check for error_mark_node type before using
3258 (finish_decl): Likewise. Don't give an error if decl type is
3259 already error_mark_node.
3261 * haifa-sched.c (compute_trg_info): Add explanatory comments.
3262 New local update_blocks. Use update_blocks to remove duplicates
3263 when computing update blocks. Check for bblst_table overflow.
3264 (schedule_block): Add explanatory comment. Reduce bblst_size by
3266 * config/ia64/ia64.md (movdi_symbolic): Document loss of REG_LABEL
3269 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
3271 * libgcc2.c (_mulvsi3): Change variables u and v to a and b.
3273 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
3275 * expmed.c: Minor corrections in comments.
3276 * invoke.texi: Added desciption for the new option -ftrapv.
3278 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
3280 * libgcc2.c: Added the missing #endif.
3282 Thu Oct 19 14:25:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
3284 * i386.h (CONST_OK_FOR_LETTER): Re-add 'N'; document.
3286 2000-10-18 Chandrakala Chavva <cchavva@redhat.com>
3288 * expmed.c (expand_mult): Don't do synth_mult optimization for -ftrapv.
3289 Use smulv_optab for -ftrapv.
3290 (expand_mult_highpart): Use unsigned multiply.
3291 (expand_divmod): Special-case division by -1.
3292 For EXACT_DIV_EXPR, do right shift first, then the multiply.
3293 For complex divide, use abs with unsigned result.
3294 * expr.c (force_operand): Use unsigned multiply.
3295 (expand_expr): Use overflow-trapping optabs for signed types if
3297 If flag_trapv, don't generate a recursive call with EXPAND_SUM
3298 if the type is signed and the original call wasn't EXPAND_SUM or
3300 * expr.h (addv_optab, subv_optab, smulv_optab, sdivv_optab): Declare.
3301 (negv_optab, absv_optab): Declare.
3302 * flags.h (flag_trapv): Declare.
3303 * genopinit.c (optabs): Add entries for addv_optab, subv_optab,
3304 smulv_optab, sdivv_optab, negv_optab and absv_optab.
3305 (gen_insn): Interpret '$P' as requiring an integer mode,
3306 including partial integer modes.
3307 * loop.c (emit_iv_add_mult): Use unsigned expand_mult_add.
3308 (product_cheap_p): Use unsigned expand_mult.
3309 * optabs.c (addv_optab, subv_optab, smulv_optab, sdivv_optab): Define.
3310 (negv_optab, absv_optab): Define.
3311 (expand_binop): Use overflow-trapping optabs for signed types if
3313 Handle negv_optab libe neg_optab.
3314 (expand_abs): Take result_unsignedp argument instead of unsignedp one.
3315 Use overflow-trapping optabs for signed result if flag_trapv.
3316 (expand_complex_abs): Use overflow-trapping optabs for signed types if
3318 Don't open-code complex absolute-value operation for flag_trapv.
3319 (init_optabs): Initialize addv_optab, subv_optab, smulv_optab,
3320 sdivv_optab, negv_optab and absv_optab.
3321 * toplev.c (flag_trapv): Define.
3322 (lang_independent_options f_options): Include flag_trapv.
3323 * tree.h (TYPE_TRAP_SIGNED): Define.
3324 * libgcc2.c (__addvsi3, __addvdi3, __subvsi3,__subvsi3, __subvdi3,
3325 __mulvsi3, __negvsi2, __negvdi2, __absvsi2, __absvdi2, __mulvdi3):
3327 * Makefile.in: add _absvsi2 _absvdi2 _addvsi3 _addvdi3 _subvsi3
3328 _subvdi3 _mulvsi3 _mulvdi3 _negvsi2 _negvdi2.
3330 2000-10-18 Geoffrey Keating <geoffk@cygnus.com>
3331 David V. Henkel-Wallace <gumby@cygnus.com>
3333 * config/i386/t-netware: Bring in from the Red Hat tree.
3334 * config/i386/netware.h: Likewise.
3335 * config/netware.h: Likewise.
3336 * config/rs6000/netware.h: Delete.
3337 * configure.in: Add i[34567]86-*-netware.
3338 * configure: Hand-edit to match configure.in change.
3340 2000-10-18 Mark Mitchell <mark@codesourcery.com>
3342 * c-common.h (flag_no_builtin): Declare.
3343 (flag_no_nonansi_builtin): Likewise.
3344 (c_common_nodes_and_builtins): Change prototype.
3345 * c-common.c (flag_no_builtin): New variable.
3346 (flag_no_nonansi_builtin): Likewise.
3347 (c_common_nodes_and_builtins): Remove parameters. Adjust
3349 * c-decl.c (flag_no_builtin): Remove.
3350 (flag_no_nonansi_builtin): Likewise.
3351 (init_decl_processing): Adjust call to
3352 c_common_nodes_and_builtins.
3354 2000-10-18 Marc Espie <espie@openbsd.org>
3356 * tm.texi (LIBGCC_SPEC): Synch with reality.
3358 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
3360 * c-common.c (check_format_types): Check for writing through a
3361 NULL pointer argument.
3363 2000-10-18 Hans-Peter Nilsson <hp@axis.com>
3365 * tm.texi (Exception Region Output): Document
3366 DWARF_CIE_DATA_ALIGNMENT.
3367 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Wrap definition in
3369 [ENABLE_CHECKING] (reg_save): Abort if offset is not a multiple of
3370 DWARF_CIE_DATA_ALIGNMENT.
3372 2000-10-18 Michael Hayes <mhayes@cygnus.com>
3374 * basic-block.h (struct loop): Delete fields pre_header_root
3375 and pre_header_trace and replace with pre_header_edges
3376 and num_pre_header_edges.
3377 * flow.c (flow_loop_dump): Dump pre_header_edges.
3378 (flow_loops_free): Free pre_header_edges.
3379 (flow_loop_pre_header_scan): Calculate pre_header_edges.
3381 2000-10-18 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3383 * contrib.texi: Update references to steering committee members
3384 and Jeff Law's entry.
3386 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
3388 * c-common.c (CPLUSPLUS_STD_VER, C_STD_VER, C_STD_NAME): Define.
3389 (maybe_read_dollar_number, check_format_info_main): Use them for
3390 pedantic warning messages.
3392 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
3394 * c-common.c (check_format_info_main): Minor cleanup: move
3395 variables into inner scopes; initialize declarations where
3396 appropriate; don't hardcode "scanf" name on warning for zero
3399 2000-10-17 Mark Mitchell <mark@codesourcery.com>
3401 * c-common.c (back_end_hook): New variable.
3402 * c-common.h (back_end_hook): Declare it.
3403 * c-lang.c (finish_file): Use it.
3405 * emit-rtl.c (init_emit_once): Initialize the const_int_htab
3408 2000-10-18 Jan Hubicka <jh@suse.cz>
3410 * i386.c (ix86_comparison_operator, put_condition_code,
3411 ix86_match_ccmode, ix86_cc_mode): Handle CCRCmode.
3412 (ix86_expand_strlensi_unroll_1): Use CCRCmode.
3413 * i386.h (EXTRA_CC_MODES): Add CCRCmode.
3414 * i386.md (adddi and negdi splitter): Use CCRCmode.
3415 (add?i_3, add?i_4, add?i_5): Use CCRCmode; swap operands
3416 (subsi3_carry): add '*'
3417 (addsi3_carry_rc, subsi3_carry_rc, x86_movsicc_0_m1_rc): New.
3418 (cmp to add peep2): Use CCRCmode; swap operands.
3420 2000-10-18 Kazu Hirata <kazu@hxi.com>
3422 * h8300.c: Fix a comment typo.
3423 (round_frame_size): New.
3424 (compute_saved_regs): Likewise.
3427 (push_order): Remove.
3428 (pop_order): Likewise.
3429 (function_prologue): Rearrange code for readability.
3430 (function_epilogue): Likewise.
3432 * config/h8300/h8300.md: Remove an unnecessary sign_extend
3433 expander that is used when not optimizing. Output a tab after
3434 each assembly insns.
3436 * reorg.c: Fix formatting.
3438 2000-10-17 Joern Rennecke <amylaar@redhat.co.uk>
3440 * reload1.c (move2add_note_store): Check for simple
3441 auto-inc in destination.
3443 2000-10-17 Michael Chastain <chastain@redhat.com>
3445 * config/i386/i386-aout.h: define INT_ASM_OP.
3447 Tue Oct 17 20:11:08 2000 Alan Modra <alan@linuxcare.com.au>
3449 * pa.c (print_operand): Handle case 'c' for .vtable_inherit
3451 Tue Oct 17 20:05:51 2000 Martin Buchholz <martin@xemacs.org>
3453 * i370.md: Fix spelling typo.
3455 2000-10-17 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3457 * function.c (locate_and_pad_parm): Don't align stack unconditionally.
3458 Fixes execute/20001017-1.c on powerpc-linux-gnu.
3460 * expr.c (store_constructor): Apply MEM_ALIAS_SET to MEMs only.
3461 * rs6000/rs6000.c (rs6000_hash_constant): Use X0INT to access a
3464 * rs6000/rs6000.h (NO_DOLLAR_IN_LABEL, DOLLARS_IN_IDENTIFIERS,
3465 ENCODE_SECTION_INFO, ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Move from
3467 * rs6000/aix.h: ...to here.
3468 * rs6000/linux.h (ASM_APP_ON, ASM_APP_OFF): Define to Linux-style.
3470 2000-10-17 Jakub Jelinek <jakub@redhat.com>
3472 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Reload gp if needed.
3474 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): Always use call, make
3475 sure linker can relax even the delay slot mov %g1,%o7, fix output
3478 2000-10-17 Kazu Hirata <kazu@hxi.com>
3480 * config/h8300/h8300.md: Remove an unnecessary zero_extend
3481 expander that is used when not optimizing. Output a tab after
3482 each assembly insns.
3484 2000-10-17 Chandrakala Chavva <cchavva@redhat.com>
3486 * gcc.c: New options --target-help.
3487 (process_command): Added code to parse this new option.
3488 * toplev.c (display_target_options): New function to support the
3490 * cppinit.c (new_pending_directive) : New option OPT_target__help.
3491 (cpp_handle_option): Support this new option.
3492 * invoke.texi: Added notes about --target-help option.
3494 2000-10-17 Graham Stott <grahams@redhat.com>
3496 * config/i386/i386.md (testqi_1): Add missing operand prefix
3498 * config/i386/i386-protos.h: Add missing prototype.
3500 2000-10-17 Diego Novillo <dnovillo@cygnus.com>
3502 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Symbol
3503 _GLOBAL_OFFSET_TABLE should not have a $ prefix when
3504 using -mintel-syntax.
3506 2000-10-17 Joseph S. Myers <jsm28@cam.ac.uk>
3508 * c-common.c (FMT_FLAG_DOLLAR_MULTIPLE): Define.
3509 (format_types): Use it for printf.
3510 (maybe_read_dollar_number): Add parameter for the kind of format
3511 involved. Warn for multiple use for arguments if this is
3512 inappropriate for the kind of format involved.
3513 (check_format_info_main): Update calls to maybe_read_dollar_number.
3515 2000-10-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3517 * inclhack.def (hpux_maxint): Also apply fix to values.h.
3518 * fixincl.x: Rebuilt.
3520 2000-10-17 Alexandre Oliva <aoliva@redhat.com>
3522 * genrecog.c (write_switch): Return the first condition that needs a
3525 2000-10-17 Bernd Schmidt <bernds@redhat.co.uk>
3527 * c-tree.h (warn_sequence_point): Move declaration to...
3528 * c-common.h (warn_sequence_point): ... here.
3529 * c-decl.c (warn_sequence_point): Move definition to...
3530 * c-common.c (warn_sequence_point): ... here.
3531 (struct reverse_tree): New.
3532 (reverse_list, reverse_max_depth): New static variables.
3533 (build_reverse_tree, common_ancestor, modify_ok
3534 verify_sequence_points): New functions.
3535 (c_expand_expr_stmt): Call verify_sequence_points if -Wsequence-point.
3536 * c-typeck.c (check_modify_expr): Delete.
3537 (build_modify_expr): Don't call it.
3539 2000-10-17 Joseph S. Myers <jsm28@cam.ac.uk>
3541 * c-common.h (warn_missing_format_attribute): New variable.
3542 * c-decl.c (warn_missing_format_attribute): New variable.
3543 (c_decode_option): Decode -Wmissing-format-attribute and
3544 -Wno-missing-format-attribute.
3545 * c-common.c (check_function_format): If
3546 -Wmissing-format-attribute, give a warning where a vprintf or
3547 vscanf function is called by a function without its own printf or
3549 * toplev.c (documented_lang_options): Add
3550 -Wmissing-format-attribute.
3551 * invoke.texi: Document -Wmissing-format-attribute.
3553 2000-10-17 Marc Espie <espie@openbsd.org>
3555 * invoke.texi (-shared): Insist on requiring code generation flags
3556 to be used along with -shared, and document the subtle failure that
3557 may occur otherwise.
3559 2000-10-16 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3561 * pa.md (return_internal): Move `use' after `return'.
3563 2000-10-16 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
3565 * machmode.def: Correct comment.
3567 2000-10-16 Rodney Brown <RodneyBrown@mynd.com>
3569 * print-rtl.c (print_rtx_head): Constify.
3570 * rtl.h (print_rtx_head): Similarly.
3572 * config/pa/pa/pa-protos.h (output_64bit_and, output_64bit_ior):
3573 Constify char * return value.
3575 (output_64bit_and, output_64bit_ior): Constify char * return value.
3576 (pa_can_combine_p): Make static.
3577 (function_arg): Decorate unused `named' argument. Fix comment typo.
3578 (function_arg_partial_nregs): Decorate unused `named' argument.
3580 2000-10-16 Joseph S. Myers <jsm28@cam.ac.uk>
3582 * c-common.c (format_check_results): New structure.
3583 (finish_dollar_format_checking): Adjust to take a
3584 format_check_results * parameter.
3585 (check_format_info, check_format_info_recurse,
3586 check_format_info_main): Split check_format_info into three
3587 functions, the main checking going in check_format_info_main.
3588 Recurse when any reduction of the format string argument towards a
3589 string literal is done; go down both branches of a conditional
3590 expression. Don't warn for extra format arguments or empty format
3591 strings if they only occur in some branches of a conditional
3594 2000-10-16 Kazu Hirata <kazu@hxi.com>
3596 * config/h8300/h8300.c: Remove obstack. Include ggc.h.
3598 2000-10-16 Jakub Jelinek <jakub@redhat.com>
3600 * rtlanal.c (may_trap_p): Check operand modes of COMPARE.
3602 2000-10-15 Diego Novillo <dnovillo@cygnus.com>
3604 * i386.md (*movsi_or): Switch operand order for intel syntax.
3606 2000-10-14 Joseph S. Myers <jsm28@cam.ac.uk>
3610 * gcc.texi (Contributing): Update.
3612 2000-10-13 Diego Novillo <dnovillo@cygnus.com>
3614 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Output final jump using
3615 appropriate assembler dialect.
3617 2000-10-13 Alexandre Oliva <aoliva@redhat.com>
3619 * c-common.c (c_expand_builtin): PARAMS-ize prototype.
3621 2000-10-12 Marek Michalkiewicz <marekm@linux.org.pl>
3623 * config/avr/avr.c (output_movhi, output_movsisf): Fix loading
3624 constants 1 and 2 to NO_LD_REGS.
3626 2000-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3628 * Makefile.in (c-parse.c, tradcif.c): Create atomically.
3630 * objc/Make-lang.in (objc-parse.c): Likewise.
3632 2000-10-13 Richard Earnshaw <rearnsha@arm.com>
3634 * arm.c: Include obstack.h
3635 (minipool_obstack, minipool_startobj): Define.
3636 (arm_add_gc_roots): Initialize them.
3637 (create_fix_barrier): Use our new obstack.
3638 (push_minipool_barrier, push_minipool_fix): Likewise.
3639 (arm_reorg): Release obstack memory.
3641 2000-10-13 Jakub Jelinek <jakub@redhat.com>
3643 * config/sparc/sparc.md (nonlocal_goto_receiver): Remove.
3644 (prologue, exception_receiver, builtin_setjmp_receiver): New
3646 * config/sparc/sparc.h (FINALIZE_PIC): Remove.
3647 * config/sparc/sparc-protos.h (finalize_pic): Remove.
3648 (load_pic_register): New prototype.
3649 * config/sparc/sparc.c (pic_setup_code): Remove.
3650 (finalize_pic): Rename to...
3651 (load_pic_register): ...this function.
3652 Don't look for nonlocal_goto_receivers and emit pic setup code
3653 directly. Don't check current_function_uses_pic_offset_table.
3655 2000-10-13 Richard Earnshaw <rearnsha@arm.com>
3657 * tree.h (struct obstack): Declare.
3659 2000-10-12 Mark Mitchell <mark@codesourcery.com>
3662 * Makefile.in (ggc-callbacks.o): Remove target.
3663 (flow.o): Depend on GGC_H.
3664 * alias.c (init_alias_analysis):
3665 Remove ggc_p conditionals.
3666 (end_alias_analysis): Likewise.
3667 * basic-block.h (init_flow): New function.
3668 (allocate_reg_life_data): Declare.
3669 * bb-reorder.c (function_obstack): Replace with ...
3670 (flow_obstack): ... new variable.
3671 (fixup_reorder_chain): Use it.
3672 * c-decl.c (ggc_p): Remove.
3673 (caller-save.c): Don't call oballoc/obfree.
3675 undobuf): Remove storage.
3676 (try_combine): Don't call oballoc.
3677 (undo_all): Don't call obfree.
3678 * cse.c (insert): Use xmalloc, not
3680 (cse_main): Adjust accordingly.
3681 * dwarf2out.c (save_rtx): Remove
3683 (dwarf2out_init): Remove ggc_p conditionals.
3684 * emit-rtl.c (rtl_obstack): Remove.
3685 (gen_rtx_CONST_INT): Remove ggc_p conditionals.
3686 (make_insn_raw): Likewise.
3687 (emit_insn_before): Likewise.
3688 (emit_insn_after): Likewise.
3689 (emit_insn): Likewise.
3690 (gen_sequence): Likewise.
3691 (copy_insn_1): Remove handling of `b' RTL components.
3692 (init_emit_once): Remove ggc_p conditionals.
3693 * except.c (create_rethrow_ref): Don't fool with obstacks.
3694 (add_partial_entry): Likewise.
3695 (call_get_eh_context): Likewise.
3696 (begin_protect_partials): Likewise.
3697 (protect_with_terminate): Likewise.
3699 (plus_constant_wide): Likewise.
3700 * expr.c (init_expr_once):
3702 (emit_block_move): Likewise.
3703 (clear_storage): Likewise.
3704 (expand_expr): Likewise.
3705 * flow.c (function_obstack): Remove.
3706 (flow_obstack): New variable.
3707 (flow_firstobj): Likewise.
3708 (create_base_block): Use the flow_obstack.
3709 (split_block): Likewise.
3710 (split_edge): Likewise.
3711 (calculate_global_regs_live): Likewise.
3712 (allocate_bb_life_data): Make it static. Likewiwse.
3713 (init_flow): New function.
3714 (size_int_type_wide): Remove ggc_p conditionals.
3716 (push_function_context_to): Don't call save_tree_status.
3717 (pop_function_context_from): Or restore_tree_status.
3718 (assign_stack_local_1): Don't call push_obstacks.
3719 (find_fixup_replacement): Use xmalloc.
3720 (fixup_var_refs_insns): Free the storage.
3721 (insns_for_mem_walk): Don't mess with obstacks.
3722 (instantiate_decls): Likewise.
3723 (trampoline_address): Likewise.
3724 (expand_function_end): Likewise.
3725 * function.h (sturct function):
3726 Remove obstack-related variables.
3727 (save_tree_status): Don't declare.
3728 (restore_tree_status): Likewise.
3729 * gcse.c (compute_can_copy):
3730 Don't call oballoc/obfree.
3731 * genattrtab.c (operate_exp): Remove
3733 (simplify_cond): Likewise.
3734 (simplify_test_exp): Don't mess with obstacks.
3735 (optimize_attrs): Likewise.
3736 * gengenrtl.c (gendef): Don't include
3738 * ggc-callbacks.c (ggc_p): Remove.
3739 * ggc-none.c (ggc_p): Remove.
3740 * ggc.h (ggc_p): Don't declare.
3741 * integrate.c (save_for_inline): Don't mess with obstacks.
3742 (integrate_decl_tree): Likewise.
3743 (output_inline_function): Likewise.
3745 (init_EXPR_INSN_LIST_cache): Likewise.
3746 * loop.c (temp_obstack):
3748 (rtl_obstack): Likewise.
3749 (init_loop): Don't mess with obstacks.
3750 (reg_address_cost): Free BIVs and GIVs.
3751 (check_insns_for_bivs): Use xmalloc, not oballoc.
3752 (find_mem_givs): Likewise.
3753 (record_biv): Likewise.
3754 (general_induction_var): Likewise.
3755 (product_cheap_p): Likewse.
3756 * optabs.c (init_one_libfunc): Remove
3758 * print-tree.c (debug_tree): Don't use
3760 (print_node): Likewise.
3761 * profile.c (output_func_start_profiler):
3762 Remove call to temporary_allocation.
3764 (eliminate_regs_in_insn): Don't mess with obstacks.
3766 (mark_target_live_regs): Use xmalloc.
3767 (free_resource_info): Free the memory.
3768 * rtl.c (rtl_obstack):
3770 (rtvec_alloc): Don't mess with obstacks.
3771 (rtx_alloc): Likewise.
3773 (copy_rtx): Don't handle `b' cases.
3774 (read_rtx): Use a local rtl_obstack.
3775 * rtl.h (oballoc): Remove.
3777 (pop_obstacks): Likewise.
3778 (push_obstacks): Likewise.
3779 (allocate_bb_life_data): Likewise.
3780 (allocate_reg_life_data): Likewise.
3781 (rtx_free): Likewise.
3782 * sdbout.c (sdbout_queue_anonymous_type):
3783 Use tree_cons, not saveable_tree_cons.
3785 (cselib_init): Don't mess with obstacks.
3787 (mark_block_nesting): Mark the label_chain.
3788 (epxand_label): Use ggc_alloc, not oballoc.
3789 (clear_last_expr): Don't mess with obstacks.
3790 (expand_decl_cleanup): Likewise.
3791 (expand_dcc_cleanup): Likewise.
3792 (expand_dhc_cleanup): Likewise.
3793 (expand_anon_union_decl): Likewise.
3794 (add_case_node): Use xmalloc, not oballoc.
3795 (free_case_nodes): New function.
3796 (expand_end_case): Call it.
3797 * stor-layout.c (layout_type): Don't
3799 (layout_type): Likewise.
3800 * toplev.c (wrapup_global_declarations):
3802 (compile_file): Remove ggc_p conditionals.
3803 (rest_of_compilation): Call init_flow. Remove ggc_p conditionals.
3804 (decode_f_option): Remove ggc_p conditionals.
3806 (function_maybepermanent_obstack): Remove.
3807 (maybepermanent_obstack): Likewise.
3808 (function_obstack): Likewise.
3809 (tmeporary_obstack): Likewise.
3810 (momentary_obstack): Likewise.
3811 (temp_decl_obstack): Likewise.
3812 (saveable_obstack): Likewise.
3813 (rtl_obstack): Likewise.
3814 (current_obstack): Likewise.
3815 (expression_obstack): Likewise.
3816 (struct obstack_stack): Likewise.
3817 (obstack_stack): Likewise.
3818 (obstack_stack_obstack): Likewise.
3819 (maybepermanent_firstobj): Likewise.
3820 (temporary_firstobj): Likewise.
3821 (momentary_firstobj): Likewise.
3822 (temp_decl_firstobj): Likewise.
3823 (momentary_function_firstobj): Likewise.
3824 (all_types_permanent): Likewise.
3825 (struct momentary_level): Likewise.
3826 (momentary_stack): Likewise.
3827 (init_obstacks): Remove initialization of removed obstacks.
3828 (save_tree_status): Remove.
3829 (restore_tree_status): Likewise.
3830 (temporary_allocation): Liekwise.
3831 (end_temporary_allocation): Liekwise.
3832 (resume_temporary_allocation): Likewise.
3833 (saveable_allocation): Likewise.
3834 (push_obstacks): Likewise.
3835 (push_obstacks_nochange): Likewise.
3836 (pop_obstacks): Likewise.
3837 (allocation_temporary_p): Likewise.
3838 (permanent_allocation): Likewise.
3839 (preserve_data): Likewise.
3840 (preserve_initializer): Likewise.
3841 (rtl_in_current_obstack): Likewise.
3842 (rtl_in_saveable_obstack): Likewise.
3843 (oballoc): Likewise.
3845 (savealloc): Likewise.
3846 (expralloc): Likewise.
3847 (print_obstack_name): Likewise.
3848 (debug_obstack): Likewise.
3849 (object_permanent_p): Likewise.
3850 (push_momentary): Likewise.
3851 (perserve_momentary): Likewise.
3852 (clear_momentary): Likewise.
3853 (pop_momentary): Likewise.
3854 (pop_momentary_nofree): Likewise.
3855 (suspend_momentary): Likewise.
3856 (resume_momentary): Likewise.
3857 (make_node): Don't set TREE_PERMANENT.
3858 (copy_node): Remove ggc_p conditionals. Don't set TYPE_OBSTACK.
3859 Don't set TREE_PERMANENT.
3860 (get_identifier): Remove ggc_p conditionals.
3861 (build_string): Likewise.
3862 (make_tree_vec): Likewise.
3863 (build_decl_list): Remove.
3864 (build_expr_list): Likewise.
3865 (tree_cons): Remove ggc_p conditionals.
3866 (decl_tree_cons): Remove.
3867 (expr_tree_cons): Likewise.
3868 (perm_tree_cons): Likewise.
3869 (temp_tree_cons): Likewise.
3870 (saveable_tree_cons): Likewise.
3871 (build1): Remove ggc_p conditionals.
3872 (build_parse_node): Likewise.
3873 (build_type_attribute_variant): Don't mess with obstacks.
3874 (build_type_copy): Likewise.
3875 (type_hash_canon): Likewise.
3876 (build_pointer_type): Likewise.
3877 (build_reference_type): Likewise.
3878 (build_index_type): Likewise.
3879 (build_range_type): Likewise.
3880 (dump_tree_statistics): Don't print obstack information.
3882 (struct tree_common): Remove permanent_flag.
3883 (TREE_PERMANENT): Remove.
3884 (TREE_SET_PERMANENT): Likewise.
3885 (TYPE_OBSTACK): Likewise.
3886 (struct tree_type): Remove obstack.
3888 (savealloc): Likewise.
3889 (build_decl_list): Likewise.
3890 (build_expr_list): Likewise.
3891 (perm_tree_cons): Likewise.
3892 (temp_tree_cons): Likewise.
3893 (saveable_tree_cons): Likewise.
3894 (decl_tree_cons): Likewise.
3895 (expr_tree_cons): Likewise.
3896 (suspend_momentary): Likewise.
3897 (allocation_temporary_p): Likewise.
3898 (resume_momentary): Likewise.
3899 (push_obstacks_nochange): Likewise.
3900 (permanent_allocation): Likewise.
3901 (push_momentary): Likewise.
3902 (clear_momentary): Likewise.
3903 (pop_momentary): Likewise.
3904 (end_temporary_allocation): Likewise.
3905 (pop_obstacks): Likewise.
3906 (push_obstacks): Likewise.
3907 (pop_momentary_nofree): LIkewise.
3908 (preserve_momentary): Likewise.
3909 (saveable_allocation): Likewise.
3910 (temporary_allocation): Likewise.
3911 (resume_temporary_allocation): Likewise.
3912 (perserve_initializer): Likewise.
3913 (debug_obstack): Likewise.
3914 (rtl_in_current_obstack): Likewise.
3915 (rtl_in_saveable_obstack): Likewise.
3917 * varasm.c (current_obstack): Remove.
3918 (saveable_obstack): Remove.
3919 (rtl_obstack): Remove.
3920 (immed_double_const): Don't mess with obstacks.
3921 (immed_real_cons): Likewise.
3922 (output_constant_def): Likewise.
3923 (init_varasm_status): Use xcalloc.
3924 (mark_pool_constant): Mark the pool constant itself.
3925 (free_varasm_status): Free memory.
3926 (decode_rtx_const): Call bzero directly, rather than expanding it
3928 (record_rtx_const): Don't mess with obstacks.
3929 (force_const_mem): Likewise.
3930 * config/arm/arm.c (arm_encode_call_attribute): Remove ggc_p
3932 (aof_pic_entry): Likewise.
3933 * config/ia64/ia64.c (ia64_encode_section_info): Likewise.
3934 * config/m32r/m32r.c (m32r_encode_section_info): Likewise.
3935 * config/pa/pa.c (saveable_obstack): Remove.
3936 (rtl_obstack): Likewise.
3937 (current_obstack): Likewise.
3938 (output_call): Don't mess with obstacks.
3939 (hppa_encode_label): Remove ggc_p conditionals.
3940 * config/romp/romp.c (get_symref): Don't mess with obstacks.
3941 * config/rs6000/rs6000.c (output_toc): Remove ggc_p conditional.
3942 (rs6000_encode_section_info): Likewise.
3943 * config/sh/sh.c (get_fpscr_rtx): Likewise.
3945 Thu Oct 12 16:02:31 MET DST 2000 Jan Hubicka <jh@suse.cz>
3947 * i386.md (adddi3, subdi3 splitters): Update for new pattern.
3948 (addsi3_cc, addqi3_cc, subsi3_cc): Remove
3949 (addsi3_carry): Canonicalize.
3950 (addqi_5): Remove '*'.
3951 (sbb pattern): Canonicalize.
3953 * i386.md (cmp to inc/add peep2): New.
3955 2000-10-12 Richard Earnshaw <rearnsha@arm.com>
3957 * bb-reorder.c (reorder_basic_blocks): Allocate an aux block for
3960 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
3962 * gcc.texi: Merge in contents of README.TRAD and TESTS.FLUNK.
3963 * README.TRAD, TESTS.FLUNK: Remove.
3965 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
3967 * c-common.c (decl_attributes): Don't allow strftime formats with
3968 first_arg_num nonzero.
3969 (check_format_info): Set wanted_type and wanted_type_name to zero
3970 before they are possibly assigned and used.
3972 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
3974 * c-common.c (scanf_flag_specs): Add flags ' and I.
3975 (strftime_flag_pairs): Disallow any pair of the _, - and 0 flags,
3976 or the ^ and # flags together.
3977 (scan_char_table): Handle the ' and I flags.
3978 (format_types): Add ' and I flags for scanf.
3980 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
3982 * c-common.c (print_char_table): Use the unpromoted type for
3983 lengths "h" and "hh" with conversions dioxXu.
3984 (check_format_types): Apply the default argument promotions where
3985 the wanted type is not a pointer target.
3987 2000-10-11 Michael Meeks <mmeeks@gnu.org>
3988 Joseph S. Myers <jsm28@cam.ac.uk>
3990 * c-typeck.c (check_modify_expr): New function.
3991 (build_modify_expr): Call it if warn_sequence_point.
3992 * c-decl.c (warn_sequence_point): New variable.
3993 (c_decode_option): Handle -Wsequence-point and
3994 -Wno-sequence-point. Enable -Wsequence-point as part of -Wall.
3995 * c-tree.h (warn_sequence_point): Declare.
3996 * invoke.texi (-Wsequence-point): Document.
3997 * toplev.c (documented_lang_options): Add -Wsequence-point and
3998 -Wno-sequence-point.
3999 Original work by Michael Meeks, 16 Jun 1998.
4001 Wed Oct 11 06:15:41 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4003 * tree.c (get_narrower): Don't look at precision of field if
4006 Tue Oct 10 23:14:33 2000 Denis Chertykov <denisc@overta.ru>
4008 * config/avr/avr.c (valid_machine_decl_attribute): Allow `extern'
4009 declaration for data with "progmem" attribute.
4011 2000-10-09 Marek Michalkiewicz <marekm@linux.org.pl>
4013 * config/avr/avr.c (out_shift_with_cnt): Use AS2 macro.
4014 Correct insn length if shift count is a memory operand.
4015 * config/avr/avr.md: New define_peephole2 to use *reload_inqi.
4016 (*iorhi3_clobber): Change lo8 to hi8.
4017 (zero_extendhisi2): Change %B0 to %A1.
4018 (ashlhi3, ashrhi3): Correct insn length.
4019 (andhi3, abssf2, extendqisi2, extendhisi2): Change "cc"
4020 from "clobber" to "set_n" in some alternatives.
4022 2000-10-10 Jakub Jelinek <jakub@redhat.com>
4024 * reload1.c (calculate_needs_all_insns): If deleting an instruction,
4025 remove its insn_chain structure as well.
4027 2000-10-09 J. David Anglin <dave@hiauly1.hia.nrc.ca>
4029 * dbxout.c (dbxout_source_line): Remove extra tab.
4031 2000-10-09 Hans-Peter Nilsson <hp@bitrange.com>
4033 * config/elfos.h (UNIQUE_SECTION): Apply STRIP_NAME_ENCODING on name.
4035 2000-10-09 Richard Henderson <rth@cygnus.com>
4037 * Makefile.in (LANG_LIB2FUNCS): Remove.
4038 (LIB2FUNCS): Remove _pure.
4039 (LIB2ADD): Remove LANG_LIB2FUNCS.
4040 (stage_a): Don't set LANG_LIB2FUNCS.
4041 * libgcc2.c (__terminate): Mark noreturn.
4042 (__pure_virtual): Remove.
4043 * mklibgcc.in: Remove LIB2ADD .txt processing.
4045 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
4047 * arm.md (push_multi): Revert unintended change.
4049 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
4051 * arm.c: Miscellaneous white space and comment clean-ups. No
4055 2000-10-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4057 * c-common.c (c_expand_builtin_printf): Set the TREE_TYPE of a new
4058 STRING_CST by calling combine_strings.
4060 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
4062 * arm.c (thumb_expand_movstrqi): Rewrite to support SSA form.
4063 (thumb_output_move_mem_multiple): Support new insn format.
4064 * arm.md (movmem12b): Use SSA compatible format.
4065 (movmem8b): Likewise.
4067 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
4069 * arm.md (predicable): New attribute, default to "no".
4070 (all patterns): Mark as predicable if appropriate.
4071 (conditional execution splits): Split using predication format.
4072 (define_cond_exec): Define.
4073 * arm.c (arm_print_operand): handle insn predicate.
4075 2000-10-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4077 * README.NS32K: Remove file.
4079 2000-10-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4081 * README-bugs: Remove file.
4083 2000-10-08 Philipp Thomas <pthomas@suse.de>
4084 * aclocal.m4 (AM_GNU_GETTEXT): Fix non portable use of == operator
4086 * configure: Rebuilt.
4088 2000-10-08 Philipp Thomas <pthomas@suse.de>
4089 * aclocal.m4 (AM_WITH_NLS): When not using included gettext,
4090 disable catalog building if no suitable program was found.
4091 Move warning message from here
4092 (AM_GNU_GETTEXT): To here.
4093 * configure: Rebuilt.
4095 2000-10-08 Philipp Thomas <pthomas@suse.de>
4096 * aclocal.m4 (GCC_PATH_PROG): New. Like AC_PATH_PROG but uses
4097 different cache variables.
4098 (GCC_PATH_PROG_WITH_TEST): New. Like AM_PATH_PROG_WITH_TEST but
4099 uses different cache variables.
4100 (AM_WITH_NLS): Use GCC_PATH_PROG and GCC_PATH_PROG_WITH_TEST.
4101 * configure: Regenerated.
4103 2000-10-08 Richard Henderson <rth@cygnus.com>
4105 * Makefile.in (libgcc.mk): Pass SHLIB_EXT, not SHLIB_LIBS.
4106 * configure.in (sparc*-*-solaris*): Use t-slibgcc{,-sld}.
4107 * mklibgcc.in: Consider SHLIB_LINK the entire shlib build command.
4110 * config/t-linux (SHLIB_EXT): New.
4111 (SHLIB_LINK): Use the entire build command, with substitutions.
4112 (SHLIB_LIBS): Remove.
4113 * config/alpha/t-osf4: Likewise.
4114 * config/mips/t-iris6: Likewise.
4115 * config/sparc/t-sol2: Likewise, but move shlib stuff...
4116 * config/sparc/t-slibgcc-sld: ...here.
4117 * config/sparc/t-slibgcc: New file.
4119 2000-10-08 Joseph S. Myers <jsm28@cam.ac.uk>
4121 * tm.texi (INTMAX_TYPE, UINTMAX_TYPE): Define.
4122 * c-common.h (enum c_tree_index): Add CTI_INTMAX_TYPE and
4124 (intmax_type_node, uintmax_type_node): Define.
4125 * c-common.c (decl_attributes): If pedantic, warn if `mode'
4126 attributes create a type wider than intmax_t.
4127 (T_IM, T_UIM): Define properly.
4128 * c-decl.c (INTMAX_TYPE, UINTMAX_TYPE): Define if not already
4130 (init_decl_processing): Initialize intmax_type_node and
4132 * c-lex.c (lex_number): When pedantic and warning for integer
4133 constants that are too large, in C99 mode warn for those that have
4134 a type wider than long long.
4136 2000-10-08 Joseph S. Myers <jsm28@cam.ac.uk>
4138 * c-common.c (FMT_FLAG_ARG_CONVERT, FMT_FLAG_SCANF_A_KLUDGE,
4139 FMT_FLAG_FANCY_PERCENT_OK): Define.
4140 (format_char_info): Add flag "4" to comment.
4141 (format_flag_spec, format_flag_pair): New structures.
4142 (format_kind_info): Add additional fields to control format
4144 (printf_flag_specs, printf_flag_pairs, scanf_flag_specs,
4145 scanf_flag_pairs, strftime_flag_specs, strftime_flag_pairs): New
4147 (time_char_table): Use "4" flag to handle %Ey.
4148 (format_types): Add entries for new fields.
4149 (get_flag_spec): New function.
4150 (check_format_info): Increase size of flag_chars[] to 256.
4151 Control format checking using the new fields of a format_kind_info
4152 and the new tables; remove all conditionals on printf_format_type,
4153 scanf_format_type or strftime_format_type. Handle all details of
4154 bad combinations of flags (including width, precision and strftime
4155 modifiers) through data rather than ad hoc code. Handle all
4156 details of standard versions in which flags appeared through
4157 data. Use the "4" flag.
4159 2000-10-07 Will Cohen <wcohen@redhat.com>, Kazu Hirata <kazu@hxi.com>
4161 * config/h8300/h8300.md: Remove the memory alternative and correct
4162 the insn lengths in the templates for sign extention and zero
4165 2000-10-07 Richard Henderson <rth@cygnus.com>
4167 * calls.c (expand_call): Disallow sibcalls to noreturn functions.
4168 * flow.c (make_edges): Revert last change.
4170 * config/alpha/alpha.h (FUNCTION_OK_FOR_SIBCALL): Don't test
4172 * config/pa/pa.h (FUNCTION_OK_FOR_SIBCALL): Likewise.
4174 2000-10-06 David O'Brien <obrien@dragon.nuxi.com>
4176 * config/alpha/elf.h: Standardize the formatting.
4178 2000-10-06 David O'Brien <obrien@FreeBSD.org>
4180 * config/alpha/elf.h: Protect the ASM_OUTPUT_IDENT definition with an
4183 2000-10-06 Richard Henderson <rth@cygnus.com>
4185 * function.c (diddle_return_value): Examine
4186 current_function_return_rtx instead of the DECL_RESULT.
4187 (expand_function_end): Handle reloading DECL_RESULT from memory
4188 into a hard register. Query promote_mode for sign of mismatched
4191 2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
4193 * haifa-sched.c (schedule_insns): Fix typo in freeing
4194 forward_dependency_cache.
4196 2000-10-06 Alexandre Oliva <aoliva@redhat.com>
4198 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): Add
4199 `TARGET_SH2' as a condition.
4201 2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
4203 * haifa-sched.c (anti_dependency_cache, output_dependency_cache,
4204 forward_dependency_cache): New variables.
4205 (add_dependence, remove_dependence): Use anti_dependency_cache and
4206 output_dependency_cache.
4207 (compute_block_forward_dependences): Use forward_dependency_cache.
4208 (schedule_insns): Allocate and free memory for anti/output/forward
4209 dependencies caches.
4211 2000-10-06 Alexandre Oliva <aoliva@redhat.com>
4213 * config/sh/sh.md (call, call_value): Use `TARGET_SH2' instead of
4214 `! TARGET_SH1'. Reindent.
4216 2000-10-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4218 * builtins.c (is_valid_printf_arglist, expand_builtin_printf):
4219 Move functions from here ...
4221 * c-common.c (is_valid_printf_arglist, c_expand_builtin_printf):
4223 (c_expand_builtin): New function.
4224 (init_function_format_info): Don't set `check_function_format_ptr'.
4225 (c_common_nodes_and_builtins): Set built_in_class type for
4226 printf/__builtin_printf to BUILT_IN_FRONTEND.
4227 (c_expand_expr): Handle CALL_EXPRs that are front-end builtins.
4229 * c-common.h (build_function_call): Declare.
4231 * expr.c (expand_expr): Pass builtins with class BUILT_IN_FRONTEND
4232 to `lang_expand_expr' rather than `expand_builtin'.
4234 * tree.c (check_function_format_ptr): Delete.
4236 * tree.h (check_function_format_ptr): Likewise.
4238 2000-10-06 Hans-Peter Nilsson <hp@bitrange.com>
4240 * dwarf2out.c (build_cfa_loc): Correct to use DW_OP_regx or
4241 DW_OP_bregx when cfa->reg > 31.
4243 * frame-dwarf2.c (decode_stack_op) [case DW_OP_regx]: Add missing
4246 2000-10-05 Richard Henderson <rth@cygnus.com>
4248 * c-decl.c (warn_missing_noreturn): Remove.
4249 (c_expand_body): Don't set or check can_reach_end.
4250 * c-tree.h (warn_missing_noreturn): Move ...
4251 * flags.h: ... here.
4252 (can_reach_end): Remove.
4253 * flow.c (check_function_return_warnings): New.
4254 (make_edges): No edge to exit for noreturn sibcalls.
4255 * function.c (expand_function_end): Save the return value
4256 clobber instruction.
4257 (mark_function_status): Mark it.
4258 * function.h (struct function): Add x_clobber_return_insn.
4259 * jump.c (can_reach_end): Remove.
4260 (calculate_can_reach_end): Remove.
4261 (jump_optimize_1): Don't call it.
4262 * output.h (check_function_return_warnings): Declare.
4263 * toplev.c (warn_missing_noreturn): Move from c-decl.c
4264 (rest_of_compilation): Call check_function_return_warnings.
4266 2000-10-05 Richard Henderson <rth@cygnus.com>
4268 * Makefile.in (NM_FOR_TARGET): New.
4269 (libgcc.mk): Pass SHLIB_MKMAP, SHLIB_MAPFILES.
4270 (libgcc.a, stmp-multilib): Pass NM_FOR_TARGET.
4271 * mklibgcc.in: If SHLIB_MKMAP, build libgcc.map. Depend the
4272 shared library build on that and EXTRA_MULTILIB_PARTS.
4273 * mkmap-flat.awk: New file.
4274 * mkmap-symver.awk: New file.
4275 * libgcc-std.ver: New file.
4276 * config/libgcc-glibc.ver: New file.
4277 * config/ia64/libgcc-ia64.ver: New file.
4278 * config/t-linux (SHLIB_MKMAP, SHLIB_MAPFILES): New.
4279 (SHLIB_LINK): Add --version-script.
4280 * config/ia64/t-ia64 (SHLIB_MAPFILES): Add libgcc-ia64.ver.
4281 * config/mips/t-iris6 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
4282 * config/sparc/t-sol2 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
4283 (SHLIB_LINK): Add -M.
4285 2000-10-05 Richard Henderson <rth@cygnus.com>
4287 * Makefile.in (LIB2FUNCS): Add _clz.
4288 * libgcc2.c (__ffsdi2): Use count_trailing_zeros.
4289 (__clz_tab): Put in its own unit, non-static.
4290 * libgcc2.h: Always include longlong.h.
4292 * longlong.h [alpha] (count_leading_zeros): Use cmpbge with
4293 a zero instead of -1.
4294 (count_trailing_zeros): Likewise.
4296 2000-10-05 Richard Henderson <rth@cygnus.com>
4298 * config/alpha/alpha.c (alpha_emit_setcc): Don't swap GT tests
4299 when second op1 is const0_rtx. Validate op0 as a register.
4300 * config/alpha/alpha.md (setcc_internal): Don't allow constants
4301 in the first argument of the compare.
4302 (setcc_swapped_internal): Likewise.
4303 (setne_internal): Likewise.
4305 2000-10-05 Geoff Keating <geoffk@cygnus.com>
4307 * tree.c (tree_size): New function split out of copy_node.
4308 (make_node): Remove obstack handling. Use tree_size.
4309 (copy_node): Use tree_size.
4310 * tree.h: Prototype tree_size.
4312 2000-10-05 Richard Henderson <rth@cygnus.com>
4314 * diagnostic.c (output_format): Add missing break.
4316 2000-10-05 Jim Wilson <wilson@cygnus.com>
4318 * function.c (fixup_var_refs_1, case SET): When gen_move_insn returns a
4319 SEQUENCE, call emit_insn_before, copy PATTERN and REG_NOTES of last
4320 sequence insn to INSN, and delete last sequence insn.
4322 2000-10-05 Phil Edwards <pme@gcc.gnu.org>
4324 * gcc.c (main): Include generated configargs.h header
4325 and use arguments in '-v' output.
4327 Thu Oct 5 16:16:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4329 * gcc.c: Move data on prefixes forward in file and reorganize.
4330 (md_exec_prefix, md_startfile_prefix, md_startfile_prefix_1):
4331 Always define, but make null if no value.
4332 (static_specs): Add "md_exec_prefix", "md_startfile_prefix",
4333 and "md_startfile_prefix_1".
4334 (main): Check whether md_exec_prefix and the others are the
4335 null string rather than whether the macro is defined.
4337 Thu Oct 5 19:04:18 2000 J"orn Rennecke <amylaar@redhat.co.uk>
4339 * (convert_move): Use zero_extendpsisi2 to do an unsigned extension
4340 from PSImode to SImode.
4342 2000-10-05 Jakub Jelinek <jakub@redhat.com>
4344 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETICS]: Fix conversion
4345 from float to integral mode with HOST_BITS_PER_WIDE_INT 64.
4346 * dwarf2out.c (add_const_value_attribute): Divide by 4, not
4349 Thu Oct 5 09:31:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4351 * fold-const.c (fold, case MINUS_EXPR, case EQ_EXPR): Perform
4352 negation in proper type.a
4354 2000-10-04 Richard Henderson <rth@cygnus.com>
4356 * configure.in (enable-shared): New.
4357 * Makefile.in (LIBGCC_DEPS): Depend on EXTRA_PARTS as well.
4358 (libgcc.mk): Pass SHLIB_LINK, SHLIB_LIBS, SHLIB_MULTILIB to mklibgcc.
4359 * mklibgcc.in: Use them to link shared a libgcc.
4360 * config/t-linux (SHLIB_LINK, SHLIB_LIBS): New.
4361 * config/alpha/t-ieee (SHLIB_MULTILIB): New.
4362 * config/mips/t-iris6 (SHLIB_LINK, SHLIB_LIBS): New.
4363 * config/sparc/t-sol2 (SHLIB_LINK, SHLIB_LIBS): New.
4365 * configure.in (alpha-osf*): Use t-osf and x-osf.
4366 * config/alpha/t-osf: New file.
4367 * config/alpha/t-osf4: New file.
4368 * config/alpha/x-osf: New file.
4369 * config/alpha/x-alpha: Remove file.
4371 2000-10-04 Will Cohen <wcohen@redhat.com>
4373 * c-typeck.c (process_init_element): Added warning for zero-length
4376 * extend.texi (Zero Length): State that static initializers for
4377 zero-length arrays are not allowed.
4379 Mon Oct 2 14:50:14 MET DST 2000 Jan Hubicka <jh@suse.cz>
4381 * rtlanal.c (single_set_1): Do not require USE and CLOBBERs
4384 2000-10-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4386 * config/float-c4x.h: New.
4387 * configure.in (c4x-*): Set float_format to c4x.
4388 * configure: Regenerate.
4390 2000-10-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4392 * configure.in (sparc-*-solaris2*): Disable 32-to-64 cross
4393 compilation for solaris versions 2.7 and greater.
4395 2000-10-02 Marc Espie <espie@openbsd.org>
4397 * config/alpha.h (WORD_SWITCH_TAKES_ARG): add -rpath to default,
4398 instead of redefining from scratch.
4400 2000-10-02 David O'Brien <obrien@dragon.nuxi.com>
4402 * config/i386/freebsd.h (NO_PROFILE_COUNTERS): Define.
4404 2000-10-01 Mark Mitchell <mark@codesourcery.com>
4406 * config/ns32k/genix.h: Remove.
4407 * config/ns32k/x-genix: Likewise.
4408 * config/ns32k/xm-genix.h: Likewise.
4409 * config/fx80: Remove all filee in directory.
4410 * config/pyr: Likewise.
4411 * config/tahoe: Likewise.
4412 * config/gmicro: Likewise.
4413 * config/spur: Likewise.
4414 * configure.in: Remove configury bits for above targets.
4415 * configure: Regenerated.
4417 * configure.in: Don't configure chill by default.
4418 * configure: Regenerated.
4420 * c-decl.c (c_expand_body): Don't generate RTL if flag_syntax_only.
4421 (lang_mark_false_label_stack): Remove.
4422 * c-lex.c (init_c_lex): Add file_info_tree as GC root. Allocate
4423 <top level> string in GC area.
4424 (mark_splay_tree_node): New function.
4425 (mark_splay_tree): Likewise.
4426 * except.c (mark_eh_status): Only call lang_mark_false_label_stack
4428 * ggc-callbacks.c (lang_mark_false_label_stack): Remove.
4429 * ggc-common.c (lang_mark_false_label_stack): Change type.
4430 * ggc.h (ggc_alloc_string): Add comment.
4431 (ggc_strdup): New function.
4433 Sat Sep 23 19:10:20 2000 Denis Chertykov <denisc@overta.ru>
4435 * config/avr/avr.h (BRANCH_COST): Define as 0.
4437 * config/pdp11/pdp11.c: #include "tree.h" added.
4439 2000-09-30 Marek Michalkiewicz <marekm@linux.org.pl>
4441 * config/avr/avr.c (ashlhi3_out, ashlsi3_out, ashrhi3_out,
4442 ashrsi3_out, lshrhi3_out, lshrsi3_out): Optimize more cases
4443 with known shift count.
4444 * config/avr/avr.md (ashlsi3, ashrsi3, lshrsi3):
4445 New alternative for shift count 2 with no scratch register.
4446 (ashlhi3, ashlsi3): Change "cc" attribute from "clobber" to
4447 "set_n" for shift counts 1 and 2.
4449 2000-09-30 Geoff Keating <geoffk@cygnus.com>
4451 * config/rs6000/rs6000.md (movsi_to_cr): Remove the USE. Calculate
4452 the mask value from the individual SET operations.
4453 (return_internal_si): Move the USE after the RETURN.
4454 (return_internal_di): Likewise.
4455 (return_and_restore_fpregs_si): Likewise.
4456 (return_and_restore_fpregs_di): Likewise.
4457 (return_eh_si): Likewise.
4458 (return_eh_di): Likewise.
4459 * config/rs6000/rs6000.c (mtcrf_operation): Don't look for,
4461 (rs6000_emit_prologue): Don't emit the USE for movsi_to_cr.
4462 Don't generate a PARALLEL around a single operation movsi_to_cr.
4463 Generate the RETURN first in any PARALLELs.
4465 * rtlanal.c (single_set_1): Use fatal_insn to display the
4466 invalid insn. Check for more cases when a USE or CLOBBER occurs
4468 * Makefile.in: Update dependencies for rtlanal.o.
4470 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
4472 * i386.c: Move include of "config.h" to before that of <setjmp.h>.
4474 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
4476 * c-tree.texi, contrib.texi, gcc.texi, install.texi, invoke.texi:
4477 Consistently use @email for formatting email addresses.
4479 2000-09-29 Richard Henderson <rth@cygnus.com>
4481 * cse.c (notreg_cost): New argument outer.
4482 (COST): Pass in SET to notreg_cost
4484 (fold_rtx): Use COST_IN. Prefer constants when costs
4487 2000-09-29 David Edelsohn <edelsohn@gnu.org>
4489 * fixinc/inclhack.def (broken_cabs): Generalize regex.
4490 * fixinc/fixincl.x: Regenerate.
4492 2000-09-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4494 * loop.c (check_final_value): A GIV is not replaceable if used
4497 Fri Sep 29 10:04:12 2000 Jeffrey A Law (law@cygnus.com)
4499 * version.c: Bump to gcc-2.97.
4501 Frs Sep 29 13:37:59 MET DST 2000 Jan Hubicka <jh@suse.cz>
4503 * final.c (final_scan_insn): Remove extra extract_insn call;
4504 Use caching for constrain_operands.
4505 (cleanup_subreg_operands): Use caching for extract_insn.
4506 * recog.c (constrain_operands_cached): New.
4507 * recog.h (constrain_operands_cached): Declare.
4508 * i386.c (ix86_attr_length_immediate_default,
4509 ix86_attr_length_address_default, ix86_agi_dependant): Cache
4512 * recog.c (asm_noperands): Tweak.
4513 (extract_insn): Do not call asm_noperads for non-asm instructions.
4515 Fri Sep 29 13:20:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
4517 * recog.c (recog_memoized): Rename to recog_memoized_1.
4518 * recog.h (recog_memoized): Rename to recog_memoized_1.
4519 (recog_memoized): New macro.
4520 * rtl.h (single_set): Rename to single_set_1
4521 (single_set): New macro.
4522 * rtlanal.c (single_set): Rename to single_set_1; expect clobbers
4525 * i386.md (strmovsi_1, strmovhi_1 strmovqi_1):
4526 Do not use match_dup of input operands at outputs.
4527 Use register_operand for memory expression.
4528 (rep_movsi): Put use last, canonicalize.
4529 Use register_operand for memory expression.
4530 (rep_movqi): Put use last.
4531 Use register_operand for memory expression.
4532 (strsetsi_1, strset_hi_1, strsetqi_1): Do not use match_dup
4533 of input operands at outputs. Use register_operand for memory
4535 (rep_stossi): Put use last; canonicalize; fix match_dup in
4536 the address expression
4537 (rep_stosqi): Likewise.
4538 (memcmp expander): Update calls.
4539 (cmpstrsi_nz_1, cmpstrsi_1, strlensi_1): Avoid match_dups in
4542 * i386.md (fp_jcc_3, fp_jcc_4, jp_fcc_5): if_then_else operand is
4544 (fp_jcc_4, fp_jcc_3): Refuse unordered comparisons.
4546 2000-09-28 David O'Brien <obrien@FreeBSD.org>
4548 * config/i386/freebsd-aout.h: New, FreeBSD a.out config file.
4549 Contains the old contents of config/i386/freebsd.h
4550 * config/i386/freebsd.h: Now the ELF rather than a.out config file.
4551 Contains the old contents of config/i386/freebsd-elf.h
4552 * config/i386/freebsd-elf.h: Retire this file -- contents moved to
4553 config/i386/freebsd.h.
4554 * configure.in: Adjust for above changes.
4555 * po/POTFILES.in: Likewise.
4556 * po/en_GB.po: Likewise.
4557 * po/gcc.pot: Likewise.
4558 * configure: Rebuilt.
4560 2000-09-28 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4562 * doloop.c (doloop_modify): Prevent delete_insn() from
4563 deleting too much. Prefer loop->top over loop->start as
4564 target for the new JUMP insn.
4565 (doloop_valid_p): Ignore loop with exit_count != 0.
4567 2000-09-28 Philipp Thomas <pthomas@suse.de>
4569 * invoke.texi (i386 Options): Add athlon to table of possible
4572 2000-09-28 Gabriel Dos Reis <gdr@codesourcery.com>
4574 * diagnostic.h (output_clear_message_text): New function.
4575 (output_message_text): New macro.
4577 * diagnostic.c (clear_text_info): Rename to
4578 output_clear_message_text.
4579 (output_clear): Adjust.
4580 (output_finish): Rename to output_finalize_message. Tweek.
4581 (output_to_stream): Adjust.
4583 2000-09-28 Neil Booth <neilb@earthling.net>
4585 * cpperror.c (_cpp_begin_message): Do the test for suppression
4586 of warnings and pedantic warnings before the "is a warning an
4588 * cppinit.c (cpp_handle_option): Remove surplus \n.
4589 * cpplex.c (ON_REST_ARG): Delete.
4590 (skip_block_comment): Initialise prevc.
4591 (parse_args): Improve error messages.
4592 (maybe_paste_with_next): Use CONTEXT_VARARGS rather
4594 * cpplib.c (cpp_push_buffer): Fix grammar in message.
4595 * cppmain.c (main): Set callbacks for #ident and #pragma
4596 only if no_output option is false.
4597 (do_pragma_implementation): Only call the #pragma handler
4598 if it is set in the cpp_reader structure.
4600 Wed Sep 27 14:00:07 2000 Donald Lindsay <dlindsay@cygnus.com>
4602 * integrate.c (copy_insn_list): if an ignored return value
4603 is being clobbered, skip cloning that into the inline copy.
4605 2000-09-27 Joseph S. Myers <jsm28@cam.ac.uk>
4607 * extend.texi, invoke.texi, gcc.texi, install.texi: Consistently
4608 use @uref for formatting URLs.
4610 2000-09-27 Mark Elbrecht <snowball3@bigfoot.com>
4612 * config/i386/djgpp.h (UNIQUE_SECTION): Constify the variables
4615 Tue 26-Sep-2000 18:25:38 BST Neil Booth <neilb@earthling.net>
4617 * gcc.c (cpp_options): Add spec for -ftabstop=.
4618 (invoke_as): New spec that handles invoking as.
4619 Update specs to handle -save-temps and -traditional.
4620 * ch/lang-specs.h, f/lang-specs.h, java/lang-specs.h:
4622 * cp/lang-specs.h, objc/lang-specs.h: Update to use
4623 invoke_as, and handle -save-temps and -traditional (if
4626 2000-09-26 Jakub Jelinek <jakub@redhat.com>
4628 * config/sparc/sparc.c (sparc_emit_set_const64): Don't abort when
4630 (function_arg_slotno): Accept TImode/CTImode.
4631 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): If IN_LIBGCC2 define
4634 2000-09-26 Michael Hayes <mhayes@cygnus.com>
4636 * flow.c (flow_loop_pre_header_scan): Punt if loop enters
4639 2000-09-25 Jim Wilson <wilson@cygnus.com>
4641 * config/ia64/ia64.h (INDEX_REG_CLASS): Define to GENERAL_REGS.
4642 (REGNO_OK_FOR_INDEX_P): Define to REGNO_OK_FOR_BASE_P.
4643 (LEGITIMATE_ADDRESS_DISP): Use LEGITIMATE_ADDRESS_REG.
4644 (REG_OK_FOR_INDEX): Define to REG_OK_FOR_BASE_P.
4646 Tue 26-Sep-2000 00:16:22 BST Neil Booth <neilb@earthling.net>
4648 * cpplex.c (parse_args): Don't set VOID_REST flag.
4649 (CONTEXT_VARARGS): New flag.
4650 (maybe_paste_with_next): Set context earlier in loop. Use
4651 it. Do varargs test with CONTEXT_VARARGS flag.
4652 (push_arg_context): Set CONTEXT_VARARGS flag if we're
4653 pushing an argument context for a varargs argument.
4654 * cpplib.h (VOID_REST): Delete.
4655 * gcc.dg/cpp/vararg1.c: Add test case.
4657 2000-09-25 Branko Cibej <branko.cibej@hermes.si>
4659 * flags.h: Declare warning flag warn_system_headers.
4660 * toplev.c: Define it.
4661 (W_options): Add option -Wsystem-headers.
4662 * diagnostic.c (count_error): Test warn_system_headers.
4663 * invoke.texi: Add description for -Wsystem-headers.
4664 * cpplib.h (cpp_options): New member warn_system_headers.
4665 * cpphash.h (CPP_PEDANTIC, CPP_WTRADITIONAL): Don't test
4666 CPP_IN_SYSTEM_HEADER.
4667 * cpplib.c (do_import, do_pragma_once): Likewise.
4668 * cpperror.c (_cpp_begin_message): Test warn_system_headers
4669 and CPP_IN_SYSTEM_HEADER.
4670 * cppinit.c (handle_option): Recognize -Wsystem_headers.
4671 (print_help): Describe -Wsystem_headers.
4672 * cpplex.c (lex_line): Reorganize condition so that warnings
4673 about C++ comments in system headers can be enabled. Remove
4674 label do_line_comment.
4676 Mon 25-Sep-2000 23:38:27 BST Neil Booth <neilb@earthling.net>
4678 * cpplex.c (save_comment): Only store the initial '/'
4680 (lex_token): Combine handling of the two comment types.
4681 Pass everything but the initial '/' to save_comment.
4683 Mon 25-Sep-2000 23:31:45 BST Neil Booth <neilb@earthling.net>
4685 * cpphash.h (_cpp_digraph_spellings, _cpp_process_directive,
4686 _cpp_can_paste): New library-internal prototypes.
4687 * cpplex.c (dump_param_spelling, output_line_command,
4688 output_token, cpp_scan_buffer, cpp_scan_buffer_nooutput,
4689 cpp_printf, cpp_output_list): Move to cppoutput.c.
4690 (process_directive, can_paste, digraph_spellings): Add _cpp_ prefix.
4691 * cppmacro.c (dump_macro_args, cpp_dump_definition) Move to
4693 * cppoutput.c (dump_macro_args, cpp_dump_definition, output_token,
4694 dump_param_spelling, output_line_command, cpp_scan_buffer,
4695 cpp_scan_buffer_nooutput, cpp_printf, cpp_output_list): Moved
4697 * Makefile.in: Add cppoutput.c.
4698 * po/POTFILES.in: Add cppoutput.c.
4700 2000-09-25 Richard Henderson <rth@cygnus.com>
4702 * config/ia64/ia64.c (ia64_print_operand): Define 'e' as 64-n.
4703 * config/ia64/ia64.md (rotrsi3): Allow variable rotates; don't
4704 split until after reload.
4705 (rotlsi3, rotldi3): New.
4707 2000-09-25 Gabriel Dos Reis <gdr@codesourcery.com>
4709 * diagnostic.c (output_last_position): Define.
4710 (set_real_maximum_length): Tweek.
4711 * diagnostic.h (output_last_position): Declare.
4713 2000-09-25 Kazu Hirata <kazu@hxi.com>
4715 * config/i386/i386.c: Fix formatting.
4717 2000-09-24 Alan Lehotsky <alehotsky@cygnus.com>
4719 * emit-rtl-c (gen_lowpart_common): Accept non-paradoxical SUBREG when
4720 UNITS_PER_WORD is small.
4722 2000-09-25 Joseph S. Myers <jsm28@cam.ac.uk>
4724 * c-common.c (format_char_info): Add flags2; update comments.
4725 (print_char_table, scan_char_table, time_char_table): Split some
4726 flags out into flags2.
4727 (check_format_info): Use flags2 for those flags, for identifying
4728 the initial character of a scanf scanset, and for identifying
4729 printf formats where the '0' flag is ignored with precision.
4731 2000-09-25 Hans-Peter Nilsson <hp@axis.com>
4733 Changes below marked "here" add TABs on either or both sides,
4734 covering start of line, up to any operand for all noted .*ASM.*_OP
4735 definitions. All callers changed.
4736 * tm.texi: Make documented *_ASM.*_OP:s include spacing
4737 (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, SHARED_SECTION_ASM_OP,
4738 BSS_SECTION_ASM_OP, SHARED_BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
4739 ASM_BYTE_OP, FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
4740 ASM_STABS_OP, ASM_STABD_OP, ASM_STABN_OP).
4741 Fix typos in description for LONG_LONG_TYPE_SIZE and
4742 FINI_SECTION_ASM_OP.
4743 * crtstuff.c (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Explain
4744 why these defaults don't have leading spacing.
4745 * dbxout.c (ASM_STABS_OP, ASM_STABN_OP): Here.
4746 * dwarf2out.c (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
4747 UNALIGNED_DOUBLE_INT_ASM_OP, SECTION_ASM_OP, ASM_BYTE_OP): Here.
4748 * dwarfout.c (FILE_ASM_OP, VERSION_ASM_OP,
4749 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP, ASM_BYTE_OP,
4750 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP): Here.
4751 * defaults.h (ASM_STABD_OP, EH_FRAME_SECTION_ASM_OP): Here.
4752 * varasm.c (ASM_STABS_OP): Here.
4753 * xcoffout.h (ASM_STABS_OP): Here.
4754 * config/elfos.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
4755 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
4756 INT_ASM_OP, ASCII_DATA_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP,
4757 STRING_ASM_OP): Here.
4758 * config/freebsd.h (IDENT_ASM_OP): Here.
4759 * config/linux-aout.h (SET_ASM_OP): Here.
4760 * config/linux.h (SET_ASM_OP): Here.
4761 * config/lynx.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
4763 * config/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
4764 * config/nextstep.h (EH_FRAME_SECTION_ASM_OP, ALIGN_ASM_OP): Here.
4765 * config/openbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
4766 * config/psos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
4768 * config/ptx4.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
4769 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
4770 INT_ASM_OP, ASCII_DATA_ASM_OP, CONST_SECTION_ASM_OP,
4771 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
4772 FINI_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP STRING_ASM_OP): Here.
4773 * config/svr3.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
4774 CONST_SECTION_ASM_OP, ASM_BYTE_OP): Here.
4775 * config/a29k/udi.h (INT_ASM_OP): Here.
4776 * config/alpha/alpha-interix.h (CONST_SECTION_ASM_OP,
4777 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
4779 * config/alpha/alpha.h (TEXT_SECTION_ASM_OP,
4780 READONLY_DATA_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4781 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
4782 UNALIGNED_DOUBLE_INT_ASM_OP, ASM_STABS_OP, ASM_STABN_OP,
4783 ASM_STABD_OP): Here.
4784 * config/alpha/elf.h (IDENT_ASM_OP, SKIP_ASM_OP, ALIGN_ASM_OP,
4785 COMMON_ASM_OP, INT_ASM_OP, ASCII_DATA_ASM_OP,
4786 CONST_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
4787 BSS_SECTION_ASM_OP, SBSS_SECTION_ASM_OP, SDATA_SECTION_ASM_OP,
4788 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP, TYPE_ASM_OP,
4789 SIZE_ASM_OP, STRING_ASM_OP): Here.
4790 * config/alpha/vms.h (LINK_SECTION_ASM_OP,
4791 READONLY_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP,
4792 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, COMMON_ASM_OP): Here.
4793 * config/arc/arc.h (ASM_BYTE_OP, SET_ASM_OP): Here.
4794 (PUSHSECTION_ASM_OP): Define this, not PUSHSECTION_FORMAT.
4795 * config/arm/aof.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP):
4797 * config/arm/aout.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4798 BSS_SECTION_ASM_OP, SET_ASM_OP): Here.
4799 * config/arm/coff.h (INT_ASM_OP): Here.
4800 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Here.
4801 * config/arm/elf.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP): Here.
4802 * config/arm/linux-elf.h (IDENT_ASM_OP, CONST_SECTION_ASM_OP,
4803 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Here.
4804 * config/arm/unknown-elf.h (UNALIGNED_WORD_ASM_OP): Here.
4805 * config/avr/avr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4806 ASM_BYTE_OP, TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP,
4807 STRING_ASM_OP): Here. Update documentation copy in comments.
4808 * config/c4x/c4x.h (ASM_STABS_OP, BSS_SECTION_ASM_OP): Here.
4809 * config/clipper/clipper.h (TEXT_SECTION_ASM_OP,
4810 DATA_SECTION_ASM_OP): Here.
4811 * config/clipper/clix.h (BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP):
4813 * config/convex/convex.h (TEXT_SECTION_ASM_OP,
4814 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
4815 * config/d30v/d30v.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4816 BSS_SECTION_ASM_OP): Here.
4817 * config/fr30/fr30.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4818 BSS_SECTION_ASM_OP): Here.
4819 * config/fx80/fx80.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
4821 * config/gmicro/gmicro.h (TEXT_SECTION_ASM_OP,
4822 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
4823 * config/h8300/h8300.h (ASM_WORD_OP): Here.
4824 * config/i370/i370.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4825 BSS_SECTION_ASM_OP): Here.
4826 * config/i386/aix386.h (INIT_SECTION_ASM_OP): Here.
4827 * config/i386/bsd.h (ASM_BYTE_OP): Here.
4828 * config/i386/cygwin.h (SET_ASM_OP, INT_ASM_OP): Here.
4829 * config/i386/dgux.h (CONST_SECTION_ASM_OP): Here.
4830 * config/i386/djgpp.h (IDENT_ASM_OP, INT_ASM_OP, SET_ASM_OP):
4832 * config/i386/freebsd-elf.h (SET_ASM_OP): Here.
4833 * config/i386/freebsd.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP):
4835 * config/i386/i386-coff.h (CTORS_SECTION_ASM_OP,
4836 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
4837 * config/i386/i386-interix.h (STRING_ASM_OP, CONST_SECTION_ASM_OP,
4838 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
4840 * config/i386/i386elf.h (BSS_SECTION_ASM_OP): Here.
4841 * config/i386/netbsd.h (INT_ASM_OP): Here.
4842 * config/i386/openbsd.h (INT_ASM_OP): Here.
4843 * config/i386/osfrose.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP,
4844 IDENT_ASM_OP): Here.
4845 * config/i386/sco5.h (ALIGN_ASM_OP, ASCII_DATA_ASM_OP,
4846 ASM_BYTE_OP, IDENT_ASM_OP, COMMON_ASM_OP, SET_ASM_OP,
4847 LOCAL_ASM_OP, INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, STRING_ASM_OP,
4848 SKIP_ASM_OP, GLOBAL_ASM_OP): Here.
4849 * config/i386/seq-sysv3.h (SHARED_SECTION_ASM_OP,
4850 SHARED_BSS_SECTION_ASM_OP): Here.
4851 * config/i386/sequent.h (SHARED_SECTION_ASM_OP): Here.
4852 * config/i386/sun386.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
4853 DATA_SECTION_ASM_OP): Here.
4854 * config/i386/svr3gas.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
4855 CONST_SECTION_ASM_OP): Here.
4856 * config/i386/sysv3.h (INIT_SECTION_ASM_OP): Here.
4857 * config/i386/unix.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4858 BSS_SECTION_ASM_OP): Here.
4859 * config/i860/bsd-gas.h (ASCII_DATA_ASM_OP): Here.
4860 * config/i860/bsd.h (ASCII_DATA_ASM_OP): Here.
4861 * config/i860/fx2800.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP,
4862 BSS_ASM_OP): Here, but use trailing spaces.
4863 * config/i860/i860.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
4864 DATA_SECTION_ASM_OP): Here.
4865 * config/i860/paragon.h (ASCII_DATA_ASM_OP, BSS_SECTION_ASM_OP):
4867 * config/i860/sysv3.h (ASCII_DATA_ASM_OP, CTORS_SECTION_ASM_OP,
4868 DTORS_SECTION_ASM_OP, TDESC_SECTION_ASM_OP): Here.
4869 * config/i860/sysv4.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
4870 TDESC_SECTION_ASM_OP): Here.
4871 * config/i960/i960-coff.h (CTORS_SECTION_ASM_OP,
4872 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
4873 * config/i960/i960.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
4875 * config/ia64/ia64.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4876 BSS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
4877 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
4878 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
4879 * config/ia64/sysv4.h (ASM_BYTE_OP, STRING_ASM_OP, SKIP_ASM_OP,
4880 COMMON_ASM_OP, ASCII_DATA_ASM_OP, INIT_SECTION_ASM_OP,
4881 FINI_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
4882 SDATA_SECTION_ASM_OP, SBSS_SECTION_ASM_OP): Here.
4883 * config/m32r/m32r.h (SCOMMON_ASM_OP): Here.
4884 * config/m68hc11/m68hc11.h (GLOBAL_ASM_OP): Here.
4885 * config/m68k/auxas.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
4886 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
4888 * config/m68k/coff.h (BSS_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
4889 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
4890 * config/m68k/crds.h (BSS_SECTION_ASM_OP): Here.
4891 * config/m68k/dpx2.h (ASM_BYTE_OP, GLOBAL_ASM_OP): Here.
4892 * config/m68k/hp320.h (ASCII_DATA_ASM_OP, GLOBAL_ASM_OP): Here.
4893 * config/m68k/linux.h (BSS_SECTION_ASM_OP): Here.
4894 * config/m68k/lynx.h (BSS_SECTION_ASM_OP): Here.
4895 * config/m68k/m68k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4896 GLOBAL_ASM_OP): Here.
4897 * config/m68k/m68kelf.h (SWBEG_ASM_OP, BSS_ASM_OP,
4898 BSS_SECTION_ASM_OP): Here.
4899 * config/m68k/m68kv4.h (BSS_ASM_OP): Here.
4900 * config/m68k/mot3300.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4901 ASCII_DATA_ASM_OP, SET_ASM_OP, CTORS_SECTION_ASM_OP,
4902 DTORS_SECTION_ASM_OP, GLOBAL_ASM_OP, ASM_BYTE_OP, ALIGN_ASM_OP,
4904 * config/m68k/newsgas.h (SET_ASM_OP): Here.
4905 * config/m68k/rtemself.h (INIT_SECTION_ASM_OP,
4906 FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
4907 * config/m68k/sgs.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
4908 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
4909 SET_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here,
4910 but use trailing spaces.
4911 * config/m68k/tower-as.h (TEXT_SECTION_ASM_OP,
4912 DATA_SECTION_ASM_OP, GLOBAL_ASM_OP, INIT_SECTION_ASM_OP,
4913 FINI_SECTION_ASM_OP, CONST_SECTION_ASM_OP, BSS_SECTION_ASM_OP):
4915 * config/m88k/dgux.h (FINI_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
4916 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
4917 * config/m88k/m88k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4918 CONST_SECTION_ASM_OP, TDESC_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
4919 DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
4920 IDENT_ASM_OP, FILE_ASM_OP, SECTION_ASM_OP, SET_ASM_OP,
4921 GLOBAL_ASM_OP, ALIGN_ASM_OP, SKIP_ASM_OP, COMMON_ASM_OP,
4922 BSS_ASM_OP, FLOAT_ASM_OP, DOUBLE_ASM_OP, INT_ASM_OP, SHORT_ASM_OP,
4923 CHAR_ASM_OP, ASCII_DATA_ASM_OP, SBSS_ASM_OP, SCOMM_ASM_OP,
4924 SDATA_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, INTERNAL_ASM_OP,
4925 VERSION_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
4926 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP, REQUIRES_88110_ASM_OP,
4928 * config/m88k/openbsd.h (SET_ASM_OP): Here.
4929 * config/m88k/sysv4.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
4930 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
4931 * config/mcore/mcore-elf.h (UNALIGNED_INT_ASM_OP,
4932 UNALIGNED_SHORT_ASM_OP, CTORS_SECTION_ASM_OP,
4933 DTORS_SECTION_ASM_OP): Here.
4934 * config/mcore/mcore-pe.h (CTORS_SECTION_ASM_OP,
4935 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
4936 * config/mips/elf.h (TYPE_ASM_OP, SIZE_ASM_OP,
4937 BSS_SECTION_ASM_OP): Here.
4938 * config/mips/elf64.h (TYPE_ASM_OP, SIZE_ASM_OP): Here.
4939 * config/mips/iris5.h (ABICALLS_ASM_OP): Here.
4940 * config/mips/iris6.h (TYPE_ASM_OP, SIZE_ASM_OP,
4941 POPSECTION_ASM_OP, BSS_SECTION_ASM_OP, CONST_SECTION_ASM_OP_32,
4942 CONST_SECTION_ASM_OP_64, CTORS_SECTION_ASM_OP,
4943 DTORS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
4944 * config/mips/mips.c (ABICALLS_ASM_OP): Here.
4945 * config/mips/mips.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP):
4947 * config/mips/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP):
4949 * config/mips/osfrose.h (SET_ASM_OP): Here.
4950 * config/mips/sni-svr4.h (ABICALLS_ASM_OP): Here.
4951 * config/ns32k/encore.h (SHARED_SECTION_ASM_OP): Here.
4952 * config/ns32k/merlin.h (SHARED_SECTION_ASM_OP): Here.
4953 * config/ns32k/ns32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
4955 * config/ns32k/sequent.h (SHARED_SECTION_ASM_OP): Here.
4956 * config/ns32k/tek6000.h (SHARED_SECTION_ASM_OP): Here.
4957 * config/pa/pa-64.h (INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP): Here.
4958 * config/pa/pa.h (ASM_STABS_OP, ASM_STABN_OP): Here.
4959 * config/pj/pj.h (SET_ASM_OP, BSS_SECTION_ASM_OP): Here.
4960 * config/pyr/pyr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
4962 * config/romp/romp.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
4964 * config/rs6000/rs6000.h (SET_ASM_OP): Here.
4965 * config/rs6000/sol2.h (ASM_STABN_OP): Here.
4966 * config/rs6000/sysv4.h (SKIP_ASM_OP, LOCAL_ASM_OP, LCOMM_ASM_OP):
4968 * config/sh/sh.h (SET_ASM_OP, BSS_SECTION_ASM_OP,
4969 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here.
4970 * config/sparc/linux.h (COMMON_ASM_OP): Here.
4971 * config/sparc/linux64.h (COMMON_ASM_OP,
4972 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
4973 * config/sparc/litecoff.h (BSS_SECTION_ASM_OP,
4974 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
4975 * config/sparc/lynx.h (BSS_SECTION_ASM_OP): Here.
4976 * config/sparc/pbd.h (ASM_INT_OP): Here.
4977 * config/sparc/sp64-elf.h (UNALIGNED_LONGLONG_ASM_OP): Here.
4978 * config/sparc/sparc.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
4979 DATA_SECTION_ASM_OP, IDENT_ASM_OP): Here.
4980 * config/sparc/sun4gas.h (UNALIGNED_DOUBLE_INT_ASM_OP,
4981 UNALIGNED_INT_ASM_OP, UNALIGNED_SHORT_ASM_OP): Here.
4982 * config/sparc/sysv4.h (STRING_ASM_OP, COMMON_ASM_OP, SKIP_ASM_OP,
4983 UNALIGNED_DOUBLE_INT_ASM_OP, UNALIGNED_INT_ASM_OP,
4984 UNALIGNED_SHORT_ASM_OP, PUSHSECTION_ASM_OP, POPSECTION_ASM_OP,
4985 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP,
4986 CONST_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
4987 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
4988 EH_FRAME_SECTION_ASM_OP): Here.
4989 * config/sparc/vxsim.h (COMMON_ASM_OP): Here.
4990 * config/spur/spur.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
4992 * config/tahoe/tahoe.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
4994 * config/v850/v850.h (SCOMMON_ASM_OP, ZCOMMON_ASM_OP,
4995 TCOMMON_ASM_OP): Here.
4996 * config/vax/vax.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
4998 * config/we32k/we32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
5001 2000-09-25 Richard Henderson <rth@cygnus.com>
5003 * expmed.c (store_bit_field): Adjust last change to not consider
5004 any word-sized field naturally aligned.
5006 2000-09-24 Richard Henderson <rth@cygnus.com>
5008 * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
5009 TFmode unordered compares properly. Revalidate integer compare
5011 (alpha_emit_setcc): New.
5012 (alpha_emit_conditional_move): Revalidate integer compare operands.
5013 * config/alpha/alpha-protos.h: Update.
5014 * config/alpha/alpha.md (cmpdi): Allow general operands.
5015 (sne): Use alpha_emit_setcc.
5016 (seq, slt, sle, sgt, sge, sltu, sleu, sgtu, sgeu): Likewise.
5017 (sunordered, sordered): New.
5019 2000-09-24 Richard Henderson <rth@cygnus.com>
5021 * config/ia64/ia64-protos.h: Update.
5022 * config/ia64/ia64.c (call_multiple_values_operation): Remove.
5023 (ia64_expand_call): New.
5024 (ia64_expand_prologue): Emit an alloc if we need extra input
5026 (ia64_expand_epilogue): New arg sibcall_p; don't emit the return
5027 instruction if true.
5028 (struct reg_flags): Add is_sibcall.
5029 (rtx_needs_barrier): A sibcall does not use CFM et al. Ignore USEs.
5030 (emit_insn_group_barriers): Set flags.is_sibcall. Remove hacks
5031 for CODE_FOR_gr_spill_internal/CODE_FOR_gr_restore_internal.
5032 * config/ia64/ia64.h (PREDICATE_CODES): Update.
5033 * config/ia64/ia64.md (call): Use ia64_expand_call.
5034 (call_value): Likewise.
5035 (sibcall, sibcall_value): New.
5036 (call patterns): Remove extra expanders; tidy.
5037 (sibcall_epilogue): New.
5038 (set_bsp): Remove the extra USE. Put the operand inside the UNSPEC.
5040 2000-09-24 Richard Henderson <rth@cygnus.com>
5042 * emit-rtl.c (gen_lowpart_common): Use trunc_int_for_mode.
5044 * sibcall.c (skip_pic_restore): New.
5045 (identify_call_return_value): Use it.
5047 2000-09-24 Mark Mitchell <mark@codesourcery.com>
5049 * c-tree.texi: Moved here from cp/ir.texi. Documented nested
5050 functions. Generalize to handle both C and C++.
5051 * Makefile.in (c-tree.info): New target.
5052 (info): Add c-tree.info.
5054 Sun Sep 24 09:15:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5056 * expr.c (store_field): If BITSIZE is negative, use size of type.
5057 (expand_expr, case COMPONENT_EXPR): Likewise.
5059 Sun 24-Sep-2000 11:40:23 BST Neil Booth <NeilB@earthling.net>
5061 * cpplex.c: Update TODO comment.
5062 * cpplib.c (do_error, do_warning): Merge common code of
5063 do_error and do_warning into do_diagnostic. Use it.
5064 (do_diagnostic): New function.
5065 * cpplib.h: Fix comment typo.
5067 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
5069 * c-common.c (check_format_info): Warn for a wide character string
5070 used as a non-wide format argument.
5072 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
5074 * builtins.def (BUILT_IN_LLABS): Add.
5075 * builtins.c (expand_builtin): Also abort on BUILT_IN_LLABS.
5076 * c-common.c (c_common_nodes_builtins): Create builtin functions
5077 __builtin_llabs, and plain llabs unless no_nonansi_builtins
5078 outside of C99 mode.
5079 (expand_tree_builtin): Handle BUILT_IN_LLABS.
5081 Sat 23-Sep-2000 22:39:18 BST Neil Booth <NeilB@earthling.net>
5083 * cpphash.h (CPP_RESERVE, CPP_PUTS_Q, CPP_PUTS, CPP_PUTC_Q,
5084 CPP_PUTC, DUMMY_TOKEN, NO_DUMMY_TOKEN): Delete.
5085 * cpplex.c (_cpp_expand_token_space, _cpp_init_toklist,
5086 _cpp_free_toklist): No need to worry about extra dummy token
5087 at the start of token lists any more.
5088 (trigraph_ok): Only warn outside comments.
5089 (skip_block_comment): Set and clear lexing_comment.
5090 (skip_line_comment): Take a cpp_reader not cpp_buffer.
5091 Set and clear lexing_comment.
5092 (parse_number): Handle leading '.' indicated by pfile->seen_dot.
5093 (check_long_token): Delete.
5094 (lex_percent, lex_dot): New subroutines of lex_token to
5095 handle lexing of '.' and '%' without lookback.
5096 (lex_token): Use lex_dot and lex_percent.
5097 (lex_line): Don't check for LIST_OFFSET.
5098 (_cpp_init_input_buffer): Update for new _cpp_init_toklist.
5099 * cpplib.c (_cpp_parse_assertion): Similarly.
5100 (cpp_push_buffer): Initialize extra_char.
5101 * cpplib.h (LIST_OFFSET): Delete.
5102 (struct cpp_buffer): New member extra_char.
5103 (struct lexer_state): New members lexing_comment and seen_dot.
5105 2000-09-23 Jason Merrill <jason@redhat.com>
5107 * config/rs6000/x-aix41 (CLIB): Define here.
5108 * config/rs6000/t-aix43: Not here.
5109 * config/rs6000/t-aix41: Or here. Remove.
5110 * configure.in: Don't use it.
5112 2000-09-22 Jason Merrill <jason@redhat.com>
5114 * configure.in: Add test for HAVE_LD_DWARF_LINKONCE.
5115 * toplev.c: Use it to initialize flag_eliminate_dwarf2dups.
5116 * config.in: Regenerate.
5118 * configure.in: Fix checks for assembler features when using a
5119 one-tree assembler that has not yet been built.
5120 Fix --disable-threads.
5122 2000-09-19 Geoff Keating <geoffk@cygnus.com>
5124 * stmt.c (expand_asm_operands): Allow # in constraints.
5126 2000-09-22 Jason Merrill <jason@redhat.com>
5128 * c-lex.c (skip_white_space): Just treat CRs as horizontal whitespace.
5130 * dbxout.c (dbxout_symbol_name): Just use DECL_NAME for
5131 function-local names.
5133 2000-09-22 Brad Lucier <lucier@math.purdue.edu>
5134 Mark Mitchell <mark@codesourcery.com>
5136 * toplev.c (warn_disabled_optimization): Declare new warning flag.
5137 * flags.h (warn_disabled_optimization): Add it here.
5138 * gcse.c (gcse_main): Add warning when disabled.
5139 * invoke.texi: Document -Wdisabled-optimization.
5141 2000-09-21 Jason Merrill <jason@redhat.com>
5143 * dwarf2out.c (add_const_value_attribute): Multiply by length, not 4.
5145 * dwarf2out.c (tree_add_const_value_attribute): New fn.
5146 (gen_variable_die): Call it for non-definitions.
5148 * dwarf2out.c (die_struct): Add die_mark field.
5149 (mark_dies, unmark_dies): New fns.
5150 (clear_die_sizes): Remove.
5151 (print_die): Check die_symbol rather than die_offset.
5152 (build_abbrev_table, output_pubnames, output_aranges): Check
5153 die_mark rather than die_offset.
5154 (output_comp_unit): Move calc_die_sizes after build_abbrev_table.
5157 Thu 21-Sep-2000 18:19:05 BST Neil Booth <NeilB@earthling.net>
5159 * cppfiles.c (lookup_include_file): Rename to open_file.
5160 Always create a splay tree value, even on syscall failures.
5161 Negative entries indicated by fd == -2.
5162 Re-open files closed in the meantime.
5163 (_cpp_fake_include): Create a negative splay tree entry.
5164 (find_include_file, cpp_read_file): Update for function name
5166 * gcc.gd/cpp/mi4.c: Testcase.
5168 2000-09-21 Nick Clifton <nickc@redhat.com>
5170 * config/arm/t-arm-elf (MULTILIB_DIRNAMES): Enable multilibs for
5171 ARM and THUMB modes.
5173 * config/mcore/mcore.c: Fix compile time warnings.
5174 * config/mcore/mcore-protos.h: Fix compile time warnings.
5176 2000-09-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5178 * configure.in: Correct test of gcc_cv_glibc.
5179 * configure: Rebuilt.
5180 * config.in: Rebuilt.
5182 2000-09-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5184 * builtins.c (expand_builtin_fputs): Also expand when length!=1.
5185 (expand_builtin): Handle BUILT_IN_FWRITE.
5187 * builtins.def (BUILT_IN_FWRITE): New entry.
5189 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_fwrite.
5191 Wed Sep 20 15:39:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5193 * gcc.c (modify_target): New variable and struct.
5194 (process_command): Handle MODIFY_TARGET_NAME.
5195 * tm.texi (MODIFY_TARGET_NAME): Add documentation for new macro.
5196 * config/pa/pa.h (MODIFY_TARGET_NAME): New macro.
5198 * c-decl.c (finish_decl): Add else's to avoid referencing
5199 TYPE_DOMAIN of an ERROR_MARK.
5201 Wed Sep 20 21:44:31 2000 Denis Chertykov <denisc@overta.ru>
5203 * config/avr/avr.c (adjust_insn_length): Adjust lengths of
5206 2000-09-19 Marek Michalkiewicz <marekm@linux.org.pl>
5208 * config/avr/avr.md (neghi2): Add alternative for input and output
5209 operands in different registers, as in negsi2.
5210 (*negsi2): Remove '*' from the name. Use "movw" if available.
5212 2000-09-19 Jim Wilson <wilson@cygnus.com>
5214 * config/ia64/crtbegin.asm (__dso_handle): Delete use of
5215 HAVE_GAS_HIDDEN macro.
5217 Tue 19-Sep-2000 22:38:57 BST Neil Booth <NeilB@earthling.net>
5219 * cpplex.c (lex_line): Drop the EOF token for unknown
5220 directives in assembler.
5222 2000-09-19 David Edelsohn <edelsohn@gnu.org>
5224 * configure.in: Allow enable_threads_flag value of "aix". Define
5225 thread_file as "aix" for AIX 4.3 and above.
5226 * configure: Regenerated.
5228 * gthr-aix.h: New file.
5230 * rs6000/t-aix43: Replace soft-float multilib with pthread.
5231 Remove 403 processor multilib match. Fix rios2 processor multilib
5234 * rs6000/aix.h (ASM_DECLARE_FUNCTION_NAME): Use function_section
5235 to return to appropriate csect.
5237 2000-09-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5239 * builtins.c (is_valid_printf_arglist, expand_builtin_printf): New
5241 (expand_builtin_fputs): Set `target' parameter for `expand_expr'.
5242 (expand_builtin): Handle BUILT_IN_PUTCHAR, BUILT_IN_PUTS and
5245 * builtins.def (BUILT_IN_PUTCHAR, BUILT_IN_PUTS, BUILT_IN_PRINTF):
5248 * c-common.c (init_function_format_info): Handle __builtin_printf.
5249 Set `check_function_format_ptr'.
5250 (c_common_nodes_and_builtins): Set `puts_ftype' and
5251 `printf_ftype'. Declare __builtin_putchar, __builtin_puts,
5252 __builtin_printf and printf.
5254 * tree.c, tree.h (check_function_format_ptr): Declare.
5256 Tue 19-Sep-2000 18:26:57 BST Neil Booth <NeilB@earthling.net>
5258 * cppfiles.c (read_include_file): Take no special action for
5261 2000-09-19 Bernd Schmidt <bernds@redhat.co.uk>
5263 * final.c (insn_current_reference_address): Use INSN_SHUID of seq
5264 rather than that of branch.
5265 (shorten_branches): Don't increment insn_current_address twice.
5267 Undo most of the Wed Jan 27 23:39:53 1999 patch:
5268 * loop.h (struct induction): Delete members derived, ix and last_use.
5269 (struct loop_ivs): Delete members first_increment_giv and
5271 * loop.c (verify_dominator, find_life_end, cmp_recombine_givs_stats,
5272 recombine_givs): Delete functions.
5273 (find_and_verify_loops): Don't initialize cont_dominator.
5274 (strength_reduce): Lose code to try to find bivs that can be
5275 expressed as givs of another biv, and to convert biv increments
5277 Lose loop_scan_start variable, always use loop->scan_start.
5278 Don't call recombine_givs. Don't handle derived givs.
5279 (record_giv): Don't initialize derived and last_use fields.
5280 (biv_eliminiation_giv_has_0_offset): Lose code to handle derived
5282 * unroll.c (derived_regs): Delete static variable.
5283 (unroll_loop): Don't initialize it.
5284 (copy_loop_body): Lose code to handle derived givs.
5285 (find_splittable_givs): Don't check for givs made from biv
5287 Don't set derived_regs.
5289 Fix misapplied earlier patch:
5290 * config/sh/sh.md (floatsisf_ie): Reenable. Remove explicit reference
5292 (floatsisf2): Generate floatsisf_ie by default.
5293 (floatsisf_i4): Conditional on TARGET_SH4.
5295 (floatsisf2, floatsidf2, extendsfdf2): Also use reg_no_subreg_operand
5296 predicate for the expanders.
5298 2000-09-19 Richard Henderson <rth@cygnus.com>
5300 * config/i386/i386.h (CPP_CPU_SPEC): Define i586 and i686 symbols
5301 in addition to pentium and pentiumpro symbols.
5302 (CPP_CPU_DEFAULT_SPEC): Likewise.
5304 * c-typeck.c (c_expand_asm_operands): Restore the output tree
5307 * stmt.c (expand_expr_stmt): Only call warn_if_unused_value
5308 if the tree has side effects.
5309 (warn_if_unused_value): Do not warn about void constructs.
5311 * c-decl.c (poplevel): Invoke warn_about_unused_variables.
5313 * unroll.c (copy_loop_body): Update LABEL_NUSES before
5314 calling invert_jump.
5316 2000-09-18 Geoff Keating <geoffk@cygnus.com>
5318 * combine.c (can_combine_p): Don't substitute an ASM_OPERANDS
5321 2000-09-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5323 * Makefile.in (c-common.o): Depend on diagnostic.h.
5325 * c-common.c: Include diagnostic.h.
5327 (status_warning): New function.
5328 (check_format_info, maybe_read_dollar_number, check_format_types,
5329 finish_dollar_format_checking, check_function_format): Accept a
5330 `status' parameter. All callers changed.
5332 * c-common.h (check_function_format): Accept a `status' parameter.
5334 * c-typeck.c: Update call to `check_function_format'.
5336 2000-09-18 Richard Henderson <rth@cygnus.com>
5338 * c-decl.c (c_expand_body): Call mark_varargs before
5339 expand_function_start.
5341 2000-09-18 Geoff Keating <geoffk@cygnus.com>
5343 * config/rs6000/eabi-cn.asm: Use /**/ to delimit comments, not #.
5344 * config/rs6000/eabi-ci.asm: Likewise.
5346 2000-09-18 Richard Henderson <rth@cygnus.com>
5348 * emit-rtl.c (init_emit_once): Initialize const_tiny_rtx
5351 2000-09-18 Jim Wilson <wilson@cygnus.com>
5353 * unroll.c (loop_iterations): Pass increment to extend_for_giv_value
5354 before passing it to fold_rtx_mult_add.
5356 * unroll.c (final_giv_value): Pass increment through
5357 extend_value_for_giv before passing it to emit_iv_add_mult.
5359 * function.c (fixup_var_refs_1, case ZERO_EXTRACT): If we have a
5360 paradoxical subreg, then directly substitute the replacement and
5363 Mon 18-Sep-2000 22:12:44 BST Neil Booth <NeilB@earthling.net>
5365 * cpp.texi: Update documentation, including some clarifications,
5366 the treatment of various newline combinations, and space between
5367 backslash and newline.
5369 Mon Sep 18 21:00:47 2000 J"orn Rennecke <amylaar@redhat.co.uk>
5371 * sdbout.c (PUT_SDB_DEF, PUT_SDB_TAG, PUT_SDB_EPILOGUE_END):
5372 Replace ASM_OUTPUT_LABELREF with assemble_name.
5374 Mon Sep 18 20:26:50 2000 J"orn Rennecke <amylaar@redhat.co.uk>
5376 * sh.c (addsubcosts): CONST is not cheap.
5377 (find_barrier): For Sh1, take alignment after jumps into account.
5379 2000-09-15 Andrew Haley <aph@redhat.com>
5381 * toplev.c (rest_of_compilation): Call purge_hard_subreg_sets to
5382 remove all SETs of SUBREGs of hard registers.
5383 * function.c (purge_hard_subreg_sets): New function.
5384 (purge_single_hard_subreg_set): New function.
5385 * rtl.h: (purge_hard_subreg_sets): New function.
5387 2000-09-18 Richard Henderson <rth@cygnus.com>
5389 * config/ia64/ia64-protos.h: Update.
5390 * config/ia64/ia64.c (signed_inequality_operator): New.
5391 (ia64_expand_compare): New.
5392 (ia64_register_move_cost): Handle PR_REGS moves.
5393 (ia64_secondary_reload_class): Require a GR when moving to a PR.
5394 (struct reg_write_state): Add written_by_and/or.
5395 (struct reg_flags): Add is_and/or.
5396 (rws_update): Set them.
5397 (rws_access_regno): Test them to allow parallel comparisons.
5398 (rtx_needs_barrier): Recognize parallel comparisons.
5399 (emit_insn_group_barriers): Set prev_insn after a call stop bit.
5400 Call recog_memoized; ignore pred_rel_mutex.
5401 (emit_predicate_relation_info): Don't call find_basic_blocks here.
5402 (ia64_reorg): Do it here instead.
5403 * config/ia64/ia64.h: s/CCmode/BImode/g
5404 (MODES_TIEABLE_P): Don't tie BImode.
5405 (PREFERRED_RELOAD_CLASS): Do not reload operations into AR regs.
5406 (CONST_COSTS): Pick sensible values for CONST_INT based on context.
5407 (RTX_COSTS): Make multiply 4 insns.
5408 (MEMORY_MOVE_COST): New.
5409 (PREDICATE_CODES): Update.
5410 * config/ia64/ia64.md: s/CCmode/BImode/g
5411 (movcci, movbi): New.
5412 (andbi3, andcmbi3, iorbi3, iorcmbi3, one_cmplbi2): New.
5413 (cmpsi_and_0, cmpsi_and_1, cmpsi_andnot_0, cmpsi_andnot_1): New.
5414 (cmpdi_and_0, cmpdi_and_1, cmpdi_andnot_0, cmpdi_andnot_1): New.
5415 (tbit_and_0, tbit_and_1, tbit_and_2, tbit_and_3): New.
5416 (cmpsi_or_0, cmpsi_or_1, cmpsi_orcm_0, cmpsi_orcm_1): New.
5417 (cmpdi_or_0, cmpdi_or_1, cmpdi_orcm_0, cmpdi_orcm_1): New.
5418 (tbit_or_0, tbit_or_1, tbit_or_2, tbit_or_3): New.
5419 (mulsi, muldi): Use xmpy not xma.
5421 (movcc, movcc_internal): Remove.
5422 (branch expanders): Use ia64_expand_compare.
5423 (setcc expanders): Likewise.
5424 (cmov insns): Use move_operand and ia64_move_ok.
5425 (pred_rel_mutex): Use unspec not unspec_volatile. Prevent the
5426 scheduler from moving it past a use.
5427 * config/ia64/build.hacks: Remove.
5429 Mon 18-Sep-2000 19:21:35 BST Neil Booth <NeilB@earthling.net>
5431 * cpphash.h (HASHSTEP): Take character rather than pointer
5433 (_cpp_check_directive, _cpp_check_linemarker): Update prototypes.
5435 * cpphash.c (cpp_loookup): Update for new HASHSTEP.
5437 * cpplex.c (auto_expand_name_space, trigraph_replace,
5438 backslash_start, handle_newline, parse_name, INIT_TOKEN_STR,
5439 IMMED_TOKEN, PREV_TOKEN_TYPE, PUSH_TOKEN, REVISE_TOKEN,
5440 BACKUP_TOKEN, BACKUP_TRIGRAPH, MIGHT_BE_DIRECTIVE,
5441 KNOWN_DIRECTIVE): Delete.
5443 (handle_newline, check_long_token, skip_escaped_newlines,
5444 unterminated): New functions.
5445 (ACCEPT_CHAR, SAVE_STATE, RESTORE_STATE): New macros.
5447 (parse_identifier): Was parse_name, new implementation.
5448 (skip_line_comment, skip_block_comment, skip_whitespace,
5449 parse_number, parse_string, trigraph_ok, save_comment,
5450 adjust_column, _cpp_get_line): New implementations.
5452 (lex_token): New function. Lexes a token at a time, looking
5453 forwards. Contains most of the guts of the old lex_line.
5454 (lex_line): New implementation, using lex_token to obtain
5456 (cpp_scan_buffer): Use the token's line, not the list's line.
5458 * cpplib.c (_cpp_check_directive, _cpp_check_linemarker):
5459 New implementations.
5460 (do_assert): Don't bother setting the answer's list's line.
5461 (cpp_push_buffer): Initialise new pfile and read_ahead members
5462 of struct cpp_buffer.
5464 * cpplib.h (cppchar_t): New typedef.
5465 (struct cpp_buffer): read_ahead, pfile and col_adjust are
5467 (struct lexer_state): New structure that determines the state
5468 and behaviour of the lexer.
5469 (IN_DIRECTIVE, KNOWN_DIRECTIVE): New macros.
5470 (struct cpp_reader): New member "state". Rename
5471 multiline_string_line and multiline_string_column. Delete
5472 col_adjust, in_lex_line members.
5473 (CPP_BUF_COLUMN): Update.
5475 2000-09-18 Richard Henderson <rth@cygnus.com>
5477 * combine.c (simplify_comparison): Shift a NOT out of a single
5480 * combine.c (if_then_else_cond): Canonicalize BImode true to
5482 * explow.c (trunc_int_for_mode): Likewise.
5484 * combine.c (combine_simplify_rtx): Use gen_unary to distribute
5485 the NOT for De Morgan's rule.
5486 * simplify-rtx.c (simplify_unary_operation): Simplify a BImode NOT
5487 of a comparison to the reverse comparison.
5489 * combine.c (try_combine): Allow split to create a single insn.
5491 * machmode.def: Add BImode. Add a column for bitsize.
5492 * machmode.h (DEF_MACHMODE): Adjust for extra column.
5493 (GET_MODE_BITSIZE): Use it.
5494 * rtl.c (DEF_MACHMODE): Adjust for extra column.
5495 (mode_bitsize): New.
5496 (mode_mask_array): Use bitsize.
5497 * combine.c (combine_simplify_rtx): Require inner and outer
5498 modes to match on nonzero_bits optimizations.
5500 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
5502 * reload1.c (forget_old_reloads_1): If a hard reg is stored, clear
5503 its entry in spill_reg_store.
5504 * config/sh/lib1funcs.ams (movstr_i4 functions): Always compile in.
5505 * sh.c (reg_no_subreg_operand): New function.
5506 * sh-protos.h (reg_no_subreg_operand): Declare it.
5507 * sh.h (PREDICATE_CODES): Add it.
5508 * sh.md (floatsisf2_i4, floatsidf2_i, extendsfdf2_i4): Use it for
5509 input operand that needs to be in fpul.
5510 (fix_truncsfsi2, fix_truncsfsi2_i4): Use register_operand for output.
5511 * sh.c (find_barrier): Take into account that machine_dependent_reorg
5512 might add new insns.
5514 2000-09-18 Alexandre Oliva <aoliva@redhat.com>
5516 * config/sh/sh.c (sh_expand_prologue): Mark GOTaddr2picreg as
5518 (sh_expand_epilogue): Take the PIC register into account when
5519 computing the frame size.
5521 * config/sh/sh.c (nonpic_symbol_mentioned_p): Check LABEL_REFs.
5522 * config/sh/sh.md (sym_label2reg, symPLT_label2reg): Protect
5523 LABEL_REFs with a PIC-safe unspec.
5525 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
5527 * c-common.c (check_format_info): Properly save the argument
5528 number and parameter for $ operand number formats in case width
5529 and precision arguments are also used. Allow printf width and
5530 precision arguments to have operand numbers even if none was
5531 specified for the main format, since this is OK for %*.*m. Only
5532 object to missing $ operand number if the format used requires an
5535 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
5537 * c-common.c (format_char_info): Add 'W' flag to comment.
5538 (print_char_table, scan_char_table): Use it.
5539 (check_format_info): Use the 'W' flag to determine whether a
5540 format argument is written into.
5542 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
5544 * c-common.c (check_format_types): Reorganise and clean up,
5545 checking earlier for ERROR_MARKs and making cur_type into its
5546 TYPE_MAIN_VARIANT where convenient.
5548 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
5550 * gcc.c (cpp_options): Add specs for __STDC_HOSTED__.
5552 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
5554 * optabs.c (emit_libcall_block): Set CONST_CALL_P for the call.
5556 * i386-protos.h (ix86_init_builtins, ix86_expand_builtin): Declare.
5557 * i386.c (struct builtin_description): New.
5558 (bdesc_comi, bdesc_2arg, bdesc_1arg): New arrays.
5559 (mmx_reg_operand): Declare MODE arg as unused.
5560 (ix86_expand_sse_comi, ix86_expand_sse_compare, safe_vector_operand,
5561 ix86_expand_unop1_builtin, ix86_expand_unop_builtin,
5562 ix86_expand_binop_builtin, ix86_expand_store_builtin,
5563 ix86_init_builtins, ix86_expand_builtin): New functions.
5564 * i386.h (ix86_builtins): New enumeration.
5565 (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): New macros.
5566 * i386.md (attr length_immediate): 0 for mmx/sse types.
5567 (attr prefix_0f): 1 for mmx/sse types.
5568 (setcc_2): Remove "*" so we get gen_setcc_2.
5569 (emms): Account for changed register numbering. Set "memory" attr
5571 (sfence): Set "memory" attr to unknown.
5573 2000-09-18 Andreas Jaeger <aj@suse.de>
5575 * configure.in: Define _GNU_SOURCE only when using the GNU C
5577 * configure: Regenerated.
5578 * config.in: Regenerated.
5580 2000-09-17 Mark Mitchell <mark@codesourcery.com>
5582 * cppinit.c (cpp_init): Don't use ANSI prototypes.
5583 * flow.c (flow_dump_loop): Likewise.
5584 (flow_loops_dump): Likewise.
5586 * c-typeck.c (c_start_case): Fix typo.
5588 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
5590 * c-decl.c (grokdeclarator): Don't give a warning about defaulting
5591 to int for plain complex which defaults to complex double. Do
5592 warn about defaulting to complex double if pedantic. Warn about
5593 complex integer types if pedantic. Warn about complex types if
5594 pedantic and not in C99 mode.
5595 * c-typeck.c (build_unary_op): If pedantic, warn about use of ~
5596 for complex conjugation.
5598 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
5600 * contrib.texi: Update my entry.
5602 Sun Sep 17 18:48:32 2000 Denis Chertykov <denisc@overta.ru>
5604 * config/avr/avr.md (mcu_enhanced): New attribute.
5605 (mcu_mega): Likewise.
5606 (extendhisi2): Use mcu_enhanced.
5607 (zero_extendhisi2): Likewise.
5608 (call_insn): Use mcu_enhanced and mcu_mega.
5609 (call_value_insn): Likewise.
5610 (*sbrx_branch): Use mcu_mega.
5611 (*sbrx_and_branchsi): Likewise.
5612 (*sbrx_and_branchhi): Likewise.
5613 (*tablejump_lib): Likewise.
5615 Sun Sep 17 10:46:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5617 * alias.c (true_dependence): Allow non-unchanging read to conflict
5618 with unchanging write.
5620 * expr.c (store_constructor_field): Accept ALIAS_SET arg.
5621 (store_constructor): Pass alias_set to it.
5623 * c-decl.c (grokdeclarator): Reorder tests to avoid looking at
5624 TYPE_MAIN_VARIANT of ERROR_MARK.
5625 * c-lex.c (readescape): Avoid using printf syntax we don't recognize.
5627 * simplify-rtx.c (simplify_unary_operation): Add cases
5628 FLOAT_EXTEND and FLOAT_TRUNCATE to ones that return 0.
5630 2000-09-17 Bernd Schmidt <bernds@redhat.co.uk>
5632 * expr.h (emit_library_call, emit_library_call_value): Delete
5634 * rtl.h (enum libcall_type): New.
5635 (emit_library_call, emit_library_call_value): Change fn_type arg to
5636 be of type enum libcall_type.
5637 * calls.c: Likewise for the function definitions. Several callers
5638 throughout changed to use the new enumeration appropriately.
5639 (emit_library_call_value_1): Likewise. Put back code to make libcall
5640 blocks of equal form, but only use it for the two new higher
5643 2000-09-16 Mark Mitchell <mark@codesourcery.com>
5645 Convert the C front-end to use function-at-a-time mode.
5646 * c-common.h: Include splay-tree.h.
5647 (C_DECLARED_LABEL_FLAG): New macro.
5648 (struct language_function): Add x_scope_stmt_stack and
5649 x_function_name_declared_p.
5650 (RECHAIN_STMTS): Move definition.
5651 (lang_statment_code_p): Likewise.
5652 (lang_expand_stmt): Likewise.
5653 (lang_expand_decl_stmt): New variable.
5654 (lang_expand_function_end): Likewise.
5655 (current_scope_stmt_stack): New function.
5656 (add_decl_stmt): Likewise.
5657 (add_scope_stmt): Likewise.
5658 (mark_stmt_tree): Likewise.
5659 (struct c_lang_decl): New structure.
5660 (DECL_SAVED_TREE): Define.
5661 (c_mark_lang_decl): New function.
5662 (c_expand_start_cond): Change prototype.
5663 (c_finish_then): New function.
5664 (c_finish_else): Likewise.
5665 (current_function_name_declared): Remove.
5666 (set_current_function_name_declared): Likewise.
5667 (mark_c_language_function): Declare.
5668 (case_compare): Likewise.
5669 (c_add_case_label): Likewise.
5670 (c_expand_expr): Likewise.
5671 (c_safe_from_p): Likewise.
5672 * c-common.c (lang_expand_function_end): New variable.
5673 (struct if_elt): Add if_stmt.
5674 (c_expand_start_cond): Add the if-statement to the statement-tree,
5675 rather than generating RTL.
5676 (c_finish_then): New function.
5677 (c_expand_start_else): Don't generate RTL.
5678 (c_finish_else): New function.
5679 (c_expand_expr_stmt): Don't generate RTL.
5680 (statement_code_p): Add SCOPE_STMT.
5681 (case_compare): New function.
5682 (c_add_case_label): Likewise.
5683 (mark_stmt_tree): Likewise.
5684 (c_mark_lang_decl): Likewise.
5685 (mark_c_language_function): Likewise.
5686 (c_expand_expr): Likewise.
5687 (c_safe_from_p): Likewise.
5688 * c-decl.c (c_stmt_tree): New variable
5689 (c_scope_stmt_stack): Likewise.
5690 (c_function_name_declared_p): Likewise.
5691 (lang_expand_expr_stmt): Remove.
5692 (poplevel): Don't call output_inline_function for nested
5694 (pushdecl): Don't set DECL_CONTEXT for a local declaration of an
5696 (redeclaration_error_message): Change means of computing whether
5697 or not a function is nested.
5698 (lookup_label): Don't call label_rtx.
5699 (init_decl_processing): Add more GC roots.
5700 (start_decl): Add DECL_STMTs to the statement-tree, rather than
5701 calling rest_of_decl_compilation.
5702 (finish_decl): Don't call expand_decl.
5703 (store_parm_decls): Begin the statement-tree, but don't generate
5705 (finish_function): Tie off the statement-tree. Call c_expand_body
5707 (c_expand_body): New function.
5708 (push_c_function_context): Save more information.
5709 (pop_c_function_contxt): Likewise.
5710 (copy_lang_decl): Now that we use DECL_LANG_SPECIFIC, copy it.
5711 (lang_mark_tree): Mark it.
5712 (current_stmt_tree): Adjust.
5713 (current_scope_stmt_stack): New function.
5715 (set_current_name_declared): Likewise.
5716 (c_begin_compound_stmt): Define.
5717 (c_expand_decl_stmt): Likewise.
5718 * c-lang.c: Include rtl.h and expr.h.
5719 (lang_init): Set more language-specific hooks.
5720 * c-lex.c: Include expr.h.
5721 * c-parse.in: Changes throughout to add statements to the
5722 statement-tree, rather than generating RTL after every statement.
5723 * c-semantics.c (lang_expand_decl_stmt): Define.
5724 (add_decl_stmt): New function.
5725 (add_scope_stmt): Likewise.
5726 (finish_stmt_tree): Tweak.
5727 (genrtl_expr_stmt): Likewise.
5728 (genrtl_decl_stmt): Handle local labels, and call
5729 lang_expand_decl_stmt if required.
5730 (genrtl_for_stmt): Fix line-number handling.
5731 (genrtl_case_label): Handle cleanups.
5732 (genrtl_asm_stmt): Don't call combine_strings.
5733 (genrtl_compound_stmt): Simplify.
5734 (expand_stmt): Handle SCOPE_STMTs.
5735 * c-tree.h (struct lang_decl): New structure.
5736 (C_DECLARED_LABEL_FLAG): Remove.
5737 (c_begin_compound_stmt): Declare.
5738 (c_expand_decl_stmt): Likewise.
5739 (c_expand_start_case): Rename to c_start_case.
5740 (c_finish_case): New function.
5741 * c-typeck.c (start_init): Tweak setting of
5742 constructor_incremental.
5743 (c_expand_asm_operands): Tweak error-handling. Add to the
5745 (c_expand_return): Add to the statement-tree.
5746 (c_expand_start_case): Rename to ...
5747 (c_start_case): ... this.
5748 (struct c_switch): New type.
5749 (switch_stack): New variable.
5750 (do_case): Simplify.
5751 (c_finish_case): New function.
5752 * dependence.c: Include expr.h.
5753 (enum dependence_type): Change spelling of enumerals.
5754 (check_node_dependence): Adjust.
5755 * expr.h (lang_safe_from_p): Declare.
5756 (safe_from_p): Likewise.
5757 * expr.c (lang_safe_from_p): New variable.
5758 (safe_from_p): Give it external linkage. Use lang_safe_from_p.
5759 * stmt.c (expand_expr_stmt): Avoid clobberring of last_expr_type.
5760 * toplev.c (rest_of_decl_compilation): Robustify.
5761 * tree.c (contains_placeholder_p): Likewise.
5762 * Makefile.in: Update dependencies.
5763 * objc/objc-act.h: Adjust calculation of value for dummy_tree_code.
5764 * objc/objc-act.c: Include rtl.h, expr.h, and c-common.h.
5765 (objc_expand_function_end): New function.
5766 (finish_method_def): Use it.
5767 (init_objc): Initialize more language-specific hooks.
5768 * objc/Make-lang.in: Update dependencies.
5770 2000-09-16 Geoffrey Keating <geoffk@cygnus.com>
5772 * configure.in: Define macros that affect features before
5773 testing for features. Don't define _XOPEN_SOURCE.
5774 * configure: Regenerated.
5775 * config.in: Regenerated.
5777 Sat Sep 16 19:42:50 EDT 2000 John Wehle (john@feith.com)
5779 * rtlanal.c (rtx_varies_p): Volatile asms vary.
5780 (rtx_unstable_p): Restructure code. Volatile asms
5783 Sat Sep 16 14:35:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5785 * function.h (no_debugging_symbols): New field.
5786 * integrate.c (save_for_inline): Renamed from save_for_inline_nocopy.
5787 Initialize no_debugging_symbols.
5788 (output_inline_function): Save and restore write_symbols and set from
5789 no_debugging_symbols.
5790 * toplev.c (rest_of_compilation): Call save_for_inline.
5791 * tree.h: Update comment.
5793 * stor-layout.c (place_field): Don't do anything if field or
5794 its type are ERROR_MARK.
5796 Sat Sep 16 19:14:00 2000 Laurynas Biveinis <lauras@softhome.net>
5798 * cppfiles.c (purge_cache): Use munmap only if MMAP_THRESHOLD defined.
5799 (read_include_file): Ensure inc->mmaped is initialized.
5801 2000-09-16 Richard Henderson <rth@cygnus.com>
5803 * cppiles.c (purge_cache): Use PTR not caddr_t.
5805 2000-09-16 Hans-Peter Nilsson <hp@axis.com>
5807 * gcc.c: In description for %{<S}, say the option removed is -S.
5808 * invoke.texi (Spec Files): Ditto.
5810 2000-09-16 Andreas Jaeger <aj@suse.de>
5812 * configure.in: Always define _GNU_SOURCE to make interfaces
5813 visible that were hidden by only defining _GNU_SOURCE.
5814 * configure: Regenerated.
5816 Sat 16-Sep-2000 08:13:45 BST Neil Booth <NeilB@earthling.net>
5818 * cpplex.c (push_macro_context): Set an argument's level after
5819 calling parse_args. We could loop infinitely otherwise.
5821 2000-09-15 Tom Tromey <tromey@cygnus.com>
5823 * configure, config.in: Rebuilt.
5824 * configure.in: Check for iconv.h. Define _XOPEN_SOURCE.
5826 2000-09-15 Greg McGary <greg@mcgary.org>
5828 * cppmacro.c (check_trad_stringification): Check token
5829 text pointers against limit before dereferencing.
5831 2000-09-15 Joseph S. Myers <jsm28@cam.ac.uk>
5833 * c-common.c (format_wanted_type): New structure.
5834 (check_format_types): New function.
5835 (check_format_info): Pass all checking of types of format
5836 arguments, including width and precision arguments, to this new
5839 2000-09-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5841 * BUGS: Remove file.
5843 2000-09-15 Jakub Jelinek <jakub@redhat.com>
5845 * config/alpha/alpha.c (override_options): ev6 cache latencies
5846 from Richard Henderson. Don't allow -mmemory-latency=L0.
5848 * config/alpha/alpha.h (TARGET_CPU_EV5, TARGET_CPU_EV6): Define.
5849 (TARGET_OPTIONS): Add tune=.
5850 (alpha_tune_string): Declare.
5851 * config/alpha/alpha.c (override_options): Add cpu_table.
5852 Use alpha_cpu_string first to set both alpha_cpu and target_flags
5853 and then alpha_tune_string to set alpha_cpu only.
5854 Replace tests for PROCESSOR_EV* with TARGET_CPU_EV* tests.
5855 * config/alpha/elf.h (ASM_FILE_START): Likewise.
5856 * config/alpha/osf.h (ASM_FILE_START): Likewise.
5857 * config/alpha/openbsd.h (ASM_FILE_START): Likewise.
5859 Fri Sep 15 19:45:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
5861 * i386-protos.h (no_comparison_operator, uno_comparison_operator):
5863 (ix86_comparison_operator, ix86_cc_mode): Declare
5864 * i386.h (CCGC, CCGCO): New modes.
5865 (SELECT_CC_MODE): Move offline to ....
5866 * i386.c (ix86_cc_mode): .... here; use new modes.
5867 (ix86_comparison_operator): New.
5868 (fcmov_comparison_operator): Ensure proper mode.
5869 (put_condition_mode): More sanity checking.
5870 (ix86_match_ccmode): Handle new modes.
5871 (ix86_expand_fp_compare): GEU requires CCmode.
5872 (ix86_expand_strlensi_unroll_1): Use emit_cmp_and_jump_insn instead of
5874 * i386.md (cmp?i_ccz_1): Remove
5875 (cmp?i_ccno_1): Use ix86_match_ccmode.
5876 (cmp?i_minus_1): New.
5877 (cmpsi_1): New expander.
5878 (cmpqi_ext_1): Use match_ccmode
5879 (cmpqi_ext_3): New expander.
5880 (cmpqi_ext_3_insn): Rename from cmpqi_ext_3.
5881 (cmpqi_ext_4): Use match_ccmode.
5882 (add?i_?): Use match_ccmode.
5884 (test?i_ccz_1): Remove
5886 (testsi_ccno_1, testqi_ccz_1, testqi_ext_ccno_0): New expander.
5887 (testqi_ext_0): Use ix86_match_ccmode.
5888 (*xorqi_cc_ext_1): Use ix86_match_ccmode.
5889 (xorqi_cc_ext_1): New expander.
5890 (shift patterns): Use CCGOCmode for all shifts except for sar.
5891 (setcc_?, jcc_?, miv?icc_nic): Use ix86_comparison_operator.
5892 (setcc_3, jcc_3, miv?icc_c): Remove.
5894 2000-09-15 Will Cohen <wcohen@redhat.com>
5896 * dwarf2out.c (add_const_value_attribute): Changed array into a
5897 xmalloced object, so it exists after function exit.
5898 (free_AT): Added case for dw_val_class_float to free allocated
5901 2000-09-15 Kazu Hirata <kazu@hxi.com>
5903 * config/i386/i386.md: Fix a comment typo.
5904 * gcc.c: Fix formatting.
5906 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
5908 * optabs.c (emit_libcall_block): If target is a user variable,
5909 copy to a temporary first.
5910 * expr.c (convert_move): When generating a libcall, make a libcall
5912 * calls.c (emit_library_call_value_1): Don't create a libcall
5913 sequence here; our caller will in most cases do it.
5915 * sh.h (SECONDARY_INPUT_RELOAD_CLASS): Handle moving T, MACL or
5917 (SECONDARY_OUTPUT_RELOAD_CLASS): Similar case.
5918 * sh.md (reload_outsf): Generate recognizable patterns for
5920 (floatsisf2, floatsisf2_ie, floatsisf2_i4, fix_truncsfsi2,
5921 fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i, fix_truncdfsi2,
5922 fix_truncdfsi2_i, extendsfdf2, extendsfdf2_i4, truncdfsf2,
5923 truncdfsf2_i4): Change not to use explicit references to fpul.
5924 (floatsisf2_ie): Remove USE of fpscr.
5925 (floatsisf2): Change default expansion to match this.
5926 (fix_truncsfsi2_i4_2, fix_truncdfsi2_i4 & splitters): Comment out
5929 2000-09-15 Richard Henderson <rth@cygnus.com>
5931 * expmed.c (store_bit_field): Consider naturally aligned
5932 memory for direct reference.
5934 2000-09-15 Richard Henderson <rth@cygnus.com>
5936 * config/alpha/alpha.c (alpha_expand_unaligned_load): Force all
5937 AND addresses into alias set 0.
5938 (alpha_expand_unaligned_store): Likewise.
5939 (alpha_expand_unaligned_load_words): Likewise.
5940 (alpha_expand_unaligned_store_words): Likewise.
5942 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
5944 * config/sh/sh.h (CPP_SPEC): For -m4-nofpu, define __SH4_NOFPU__.
5945 * config/sh/lib1funcs.asm (movstr_i4): Also compile if __SH4_NOFPU__
5947 * config/mips/mips.c (mips_va_arg): Args passed by reference have a
5948 rsize of UNITS_PER_WORD.
5950 Fri 15-Sep-2000 06:49:07 BST Neil Booth <NeilB@earthling.net>
5952 * cpplex.c (ON_REST_ARG): Correct the test.
5953 (maybe_paste_with_next): Duplicate a token that fail pasting,
5954 and clear its PASTE_LEFT flag, so that nested pasting attempts
5957 2000-09-14 Richard Henderson <rth@cygnus.com>
5959 * calls.c (precompute_register_parameters): Use COSTS_N_INSNS, not 2.
5960 * cse.c (rtx_cost): Likewise.
5961 * optabls.c (expand_binop): Likewise.
5962 (expand_twoval_binop, prepare_cmp_insn): Likewise.
5963 * regclass.c (copy_cost): Likewise.
5964 * reload1.c (reload_cse_move2add): Likewise.
5966 2000-09-14 Joseph S. Myers <jsm28@cam.ac.uk>
5968 * c-parse.in (reswords): Add _Complex.
5970 2000-09-14 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5972 * gcc.1: Delete documentation for -undef preprocessor option.
5974 2000-09-14 Alexandre Oliva <aoliva@redhat.com>
5976 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
5977 STARTFILE_SPEC, ENDFILE_SPEC): Remove define.
5978 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
5979 Remove undefine before config/elfos.h.
5980 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Comment out.
5982 2000-09-14 Kazu Hirata <kazu@hxi.com>
5984 * invoke.texi (H8/300 Options): Add -ms2600.
5985 * config/h8300.c (h8300_init_once): Output an error when -ms2600
5986 is used without -ms.
5987 * config/h8300.h (TARGET_MAC): New.
5988 (TARGET_SWITCHES): Add -ms2600 and -mno-s2600.
5989 (CONDITIONA_REGISTER_USAGE): Disable the mac register on any
5990 machine other than H8/S2600.
5991 * config/h8300.md: Accept mac instructions on the H8/S2600 instead
5994 2000-09-14 Alexandre Oliva <aoliva@redhat.com>, Bernd Schmidt <bernds@redhat.co.uk>
5996 * reload.c (find_reloads_address_1): Generate reloads for auto_inc
5997 pseudos that refer to the original pseudos, not only to their
5998 equivalent memory locations.
6000 Thu Sep 14 12:10:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6002 * expr.c (expand_expr, case COMPONENT_EXPR): Copy memory attributes
6003 when making new MEM.
6005 * Makefile.in (LN): Remove duplicate definition.
6007 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
6009 From Joern Rennecke:
6010 * local-alloc.c (update_equiv_regs): If there is no REG_EQUAL note
6011 on an insn and function_invariant_p returns nonzero for the source,
6012 add a REG_EQUAL note.
6014 Thu Sep 14 00:51:57 EDT 2000 John Wehle (john@feith.com)
6016 * alias.c (memrefs_conflict_p): An ADDRESSOF doesn't
6017 conflict with frame_pointer_rtx.
6019 2000-09-13 Kazu Hirata <kazu@hxi.com>
6021 * loop.c: Fix formatting.
6024 2000-09-13 Richard Henderson <rth@cygnus.com>
6026 * config/ia64/ia64.md (divsf3): New.
6027 (divsf3_internal_lat, divsf3_internal_thr): New.
6028 (divdf3, divdf3_internal_lat, divdf3_internal_thr): New.
6029 (divtf3, divtf3_internal_lat, divtf3_internal_thr): New.
6030 (adddf3_trunc, subdf3_trunc, muldf3_trunc): New.
6031 (madddf4_trunc, msubdf4_trunc, nmuldf3_trunc): New.
6032 (nmadddf4_alts, nmadddf4_trunc): New.
6033 (addtf3_truncsf, addtf3_truncdf, subtf3_truncsf): New.
6034 (subtf3_truncdf, multf3_truncsf, multf3_truncdf): New.
6035 (multf3_truncsf_alts, multf3_truncdf_alts): New.
6036 (maddtf4_truncsf, maddtf4_truncdf, maddtf4_alts_truncdf): New.
6037 (msubtf4_truncsf, msubtf4_truncdf, nmultf3_truncsf): New.
6038 (nmultf3_truncdf, nmaddtf4_truncsf, nmaddtf4_truncdf): New.
6039 (nmaddtf4_truncdf_alts): New.
6040 (recip_approx): Don't predicate.
6042 2000-09-13 Richard Henderson <rth@cygnus.com>
6044 * config/ia64/lib1funcs.asm (__divsf3): Protect fnorm.s with p6.
6046 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6048 * flags.h (flag_dump_rtl_in_asm): Declare.
6049 * toplev.c (flag_dump_rtl_in_asm): Define.
6050 (decode_d_option): Set flag_dump_rtl_in_asm and flag_print_asm_name
6051 if -dP is specified.
6052 * rtl.h (print_rtx_head): Declare.
6053 * print-rtl.c (print_rtx_head): Define.
6054 (print_rtx): Print the string pointed to by print_rtx_head
6055 at beginning of each dump line.
6056 (print_rtl): Likewise.
6057 (print_rtl_single): Likewise.
6058 * final.c (final_scan_insn): Dump the insn in the assembly
6060 * gcc.1: Document -dP option.
6061 * invoke.texi (Debugging Options): Likewise.
6063 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6065 * md.texi (Machine Constraints): Document the 68HC11 constraints.
6066 * install.texi (Configurations): Document the 68HC11&68HC12 port.
6067 * invoke.texi (Option Summary, M68hc1x Options): Document the options.
6069 Tue Sep 12 13:51:13 2000 Denis Chertykov <denisc@overta.ru>
6071 * config/avr/avr.h (ASSEMBLER_DIALECT): New macro declared.
6072 * config/avr/avr.md (*movstrqi_insn): Cleanup output template.
6073 (*clrstrqi): Likewise.
6074 (xorhi3,xorsi3,absqi2): Likewise.
6075 (one_cmplhi2,one_cmplsi2): Likewise.
6076 (addsi3): Two stupid constraint alternatives removed.
6077 (extendhisi2): Use `movw' for enhanced avr cores.
6078 (zero_extendhisi2): Likewise.
6080 Wed Sep 13 02:31:23 EDT 2000 John Wehle (john@feith.com)
6082 * alias.c (find_base_term): Use frame_pointer_rtx
6083 when handling an ADDRESSOF.
6085 * cse.c (canon_hash): Handle USE of BLKmode memory.
6086 (cse_insn): Outgoing arguments for a libcall don't
6087 affect any recorded expressions.
6089 2000-09-12 Tom Tromey <tromey@cygnus.com>
6091 * configure, config.in: Rebuilt.
6092 * configure.in: Check for iconv, nl_langinfo, langinfo.h.
6094 2000-09-12 Jakub Jelinek <jakub@redhat.com>
6096 * c-lex.c (lex_string): Use charwidth to compute bytemask.
6097 * expr.c (expand_expr): Don't optimize constant array references
6098 initialized with wide string constants.
6100 2000-09-13 Michael Hayes <mhayes@cygnus.com>
6102 * loop.c (note_set_pseudo_multiple_uses): Correct.
6104 2000-09-12 Jim Wilson <wilson@cygnus.com>
6106 * ifcvt.c (noce_process_if_block): If A and B are the same, and no
6107 else block, and X has side-effects, then fail.
6109 2000-09-12 Greg McGary <greg@mcgary.org>
6111 * config/mips/mips-protos.h
6112 (trap_cmp_op, mips_gen_conditional_trap): New func decls.
6113 * config/mips/mips.h (ISA_HAS_COND_TRAP): New macro.
6114 (PREDICATE_CODES): Add "trap_cmp_op".
6115 * config/mips/mips.c
6116 (trap_cmp_op, mips_gen_conditional_trap): New functions.
6117 * config/mips/mips.md (trap, conditional_trap): New patterns.
6119 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
6121 * flow.c (try_pre_increment_1): Don't do anything to sets of the stack
6124 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6126 * builtins.c (built_in_decls): New array.
6127 (expand_builtin_fputs): New function.
6128 (expand_builtin): Handle BUILT_IN_FPUTC and BUILT_IN_FPUTS.
6130 * builtins.def (BUILT_IN_FPUTC, BUILT_IN_FPUTS): New members.
6132 * c-common.c (c_common_nodes_and_builtins): Handle fputc/fputs.
6134 * tree.h (built_in_decls): New array.
6136 Tue Sep 12 08:53:57 2000 Jeffrey A Law (law@cygnus.com)
6138 * convex.md: Use "+" instead of "=" for outputs wrapped in a
6140 * i370.md, i386.md, ns32k.md, sh.md, vax.md: Likewise.
6142 2000-09-12 Kazu Hirata <kazu@hxi.com>
6144 * haifa-sched.c: Fix formatting.
6146 * genattrtab.c: Fix formatting.
6148 * unroll.c: Fix formatting.
6150 2000-09-12 Bruce Korb <bkorb@gnu.org>
6152 * fixinc/fixfixes.c: make a type for the fix procedure & use it,
6153 remove obsolete code
6154 * fixinc/fixincl.c: Use PARAMS, not _P_. Add no-op default to switch.
6155 * fixinc/fixincl.tpl: make non-exported arrays static scope
6156 * fixinc/fixincl.x: regenerate
6157 * fixinc/fixlib.h: Use PARAMS, not _P_
6158 * fixinc/fixtests.c: make a type for the test proc & use it
6159 * fixinc/server.h: Use PARAMS, not _P_
6161 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6163 * c-typeck.c (process_init_element): Avoid union init warnings on
6164 floating point zero. Don't crash on unions containing structs.
6166 2000-09-12 Alexandre Oliva <aoliva@redhat.com>
6168 * config/sh/sh.h (PREDICATE_CODES): Add CONST_DOUBLE to
6169 general_movsrc_operand, and remove CONST_INT from
6170 general_movdst_operand.
6172 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
6174 * cse.c (approx_reg_cost): If SMALL_REGISTER_CLASSES, return INT_MAX
6175 if a reference to non-fixed hardreg is seen. Otherwise, count hard
6176 regs with a higher cost.
6177 (preferrable): Deal with cases where either cost or regcost is
6179 (cse_insn): Use MAX_COST rather than 10000. Always initialize
6181 (COSTS_N_INSNS): Move definition...
6183 (MAX_COST): New macro.
6184 * loop.c (init_loop): Use COSTS_N_INSNS macro instead of hardcoded
6187 2000-09-11 Mark Mitchell <mark@codesourcery.com>
6189 * c-common.h (genrtl_clear_out_block): Remove.
6190 * c-semantics.c (genrtl_clear_out_block): Remove.
6191 (genrtl_while_stmt): Don't call it.
6192 (genrtl_for_stmt): Likewise.
6194 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
6196 * cppfiles.c: Move all default-#defines to top of file.
6197 (open_include_file): Replace by lookup_include_file.
6198 (read_with_read, read_file): Merged into read_include_file.
6199 (stack_include_file, purge_cache): New functions.
6200 (close_cached_fd): Delete.
6201 (lookup_include_file, read_include_file, _cpp_pop_file_buffer):
6202 Cache the in-memory buffer, not the file descriptor.
6204 * cpphash.h (struct include_file): Add buffer, st, refcnt,
6206 (xcnew): New utility macro.
6207 (DO_NOT_REREAD, NEVER_REREAD): Move up by struct include_file.
6208 * cpplib.h (struct cpp_buffer): Remove mapped field.
6210 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
6212 * cpplex.c (parse_string): Accept backslash space newline as a
6214 (lex_line): Likewise.
6215 (_cpp_get_token): Remove hard limit on macro nesting.
6217 2000-09-12 Philipp Thomas <pthomas@suse.de>
6219 * aclocal.m4 (AM_WITH_NLS): Don't force use of included gettext.
6220 * configure: Rebuilt.
6222 2000-09-13 Michael Hayes <mhayes@cygnus.com>
6224 * flow.c (split_block): Fix update of registers live at
6227 Tue Sep 12 01:51:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
6229 * i386.md (add?i_3, add?i_5): New.
6230 (add?i_4): Rename from add?i_3; Fix compare pattern.
6231 (sub?i_3, xor?i_3, ior?i_3): New.
6233 * genrecog.c (write_tree): Output code to clear insn_extract cache.
6234 * genattrtab.c (write_attr_case): Gen call to extract_insn_cache
6235 instead of extract_insn and extract_constrain_insn_cache instead of
6236 extract_insn and constrain_operands.
6237 * recog.c (extract_insn_cached, extract_constrain_insn_cached):
6239 (extract_insn): Clear which_alternative.
6240 (constrain_operands): Set which_alternative to -1 when failed.
6241 * recog.h (extract_constrain_insn_cached, extract_insn_cached):
6244 2000-09-11 Matthew Hiller <hiller@redhat.com>
6246 * config/h8300/h8300.md (movstrictqi): Changed constraint modifier
6247 on operand 0 to '+'.
6248 (movstricthi): Likewise.
6250 2000-09-12 Michael Hayes <mhayes@cygnus.com>
6252 * loop.h (LOOP_IVS): New macro.
6253 (REG_IV_TYPE, REG_IV_INFO): Add ivs argument.
6254 (struct loop_ivs): New.
6255 (struct loop_info): Add ivs field.
6256 (reg_iv_type, reg_iv_info): Delete prototype.
6257 (reg_biv_class, loop_iv_list): Likewise.
6258 * loop.c (record_biv, find_life_end): Pass loop argument.
6259 (reg_iv_type): Remove global array and use
6260 field in loop_regs structure within loop_ivs structure.
6261 (reg_iv_info, reg_biv_class, loop_iv_list): Likewise.
6262 (first_increment_giv, last_increment_giv): Use entry in
6264 (record_initial): Pass ivs pointer.
6265 * unroll.c (copy_loop_body, remap_split_bivs): Add loop argument.
6267 2000-09-12 Michael Hayes <mhayes@cygnus.com>
6269 * loop.h (LOOP_REGS): New macro.
6270 (struct loop_regs): New.
6271 (struct loop_info): Add regs field.
6272 * loop.c (set_in_loop): Remove global array and store
6273 in loop_regs structure as part of loop_info structure.
6274 (n_times_set, may_not_optimize): Likewise.
6275 (reg_single_usage, moved_once): Likewise.
6276 (count_one_set): Add regs argument.
6277 (combine_movables, rtx_equal_for_loop_p, combine_givs): Likewise.
6278 (set_pseudo_multiple_uses): Pass regs pointer.
6280 2000-09-12 Michael Hayes <mhayes@cygnus.com>
6282 * unroll.c (iteration_info): Subsume into loop_iterations.
6283 * loop.h (loop_info): New field iv.
6285 2000-09-12 Michael Hayes <mhayes@cygnus.com>
6287 * basic-block.h (LOOP_TREE, LOOP_PRE_HEADER, LOOP_EDGES): New.
6288 (LOOP_EXITS_DOMS, LOOP_ALL): Likewise.
6289 (flow_loops_update): New prototype.
6290 (flow_loops_find): Add flags to prototype.
6291 (struct loop): Add `pre_header_root' and `pre_header_trace' fields.
6292 * flow.c (flow_loop_pre_header_scan): New.
6293 (flow_loop_dump): Dump pre-header root and trace and exit dominators.
6294 (flow_loop_free): Free pre-header root and trace and exit dominators.
6295 (flow_loops_find): New argument flags.
6296 (flow_loops_update): New function.
6297 * toplev.c (rest_of_compilation): Add flag argument to flow_loops_find.
6299 2000-09-12 Michael Hayes <mhayes@cygnus.com>
6301 * basic-block.h (split_block, update_bb_for_insn): New prototypes.
6302 * flow.c (split_block, update_bb_for_insn): New functions.
6304 2000-09-11 Richard Henderson <rth@cygnus.com>
6306 * cse.c (fold_rtx): Honor NO_FUNCTION_CSE.
6308 2000-09-11 Richard Henderson <rth@cygnus.com>
6310 * config/ia64/ia64-protos.h (fr_nonimmediate_operand): Declare.
6311 * config/ia64/ia64.c (fr_nonimmediate_operand): New.
6312 (ia64_override_options): Prevent optimizing division for both
6313 latency and throughput.
6314 (rtx_needs_barrier): Handle frcpa.
6315 * config/ia64/ia64.h (MASK_INLINE_DIV_LAT): New.
6316 (MASK_INLINE_DIV_THR, TARGET_INLINE_DIV_LAT): New.
6317 (TARGET_INLINE_DIV_THR, TARGET_INLINE_DIV): New.
6318 (TARGET_SWITCHES): Add -minline-divide-min-latency and
6319 -minline-divide-max-throughput.
6320 (PREDICATE_CODES): Update.
6321 * config/ia64/ia64.md (extendsidi2): Remove * from f case.
6322 (zero_extendsidi2): Likewise. Fix typo in f case insn.
6323 (extendsfdf2): Add cases for gr<->fr and fr<->mem.
6324 (extendsftf2): Likewise.
6325 (extenddftf2): Likewise.
6326 (fix_trunctfdi2_alts): New.
6327 (fixuns_trunctfdi2_alts): New.
6328 (madd*4): Rename from madd*3.
6329 (divsi3, modsi3, udivsi3, umodsi3): New.
6330 (divsi3_internal): New.
6331 (divdi3, moddi3, udivdi3, umoddi3): New.
6332 (divdi3_internal_lat, divdi3_internal_thr): New.
6333 (multf3_alts, maddtf4_alts, nmaddtf4_alts): New.
6334 (recip_approx): New.
6336 2000-09-11 Alexandre Oliva <aoliva@redhat.com>
6338 * print-rtl.c (debug_call_placeholder_verbose): New variable.
6339 (print_rtx) [CALL_PLACEHOLDER]: Dump all call sequences if it is
6341 * integrate.c (copy_rtx_and_substitute): Don't share
6342 LEAF_REG_REMAPpable registers with the inlined function. Don't
6343 share the function value with calling sequences.
6345 2000-09-11 Jakub Jelinek <jakub@redhat.com>
6347 * c-decl.c (do_case): Fix a typo.
6349 * combine.c (simplify_if_then_else): Don't convert a == b ? b : a
6350 to a if the comparison is floating mode and not -ffast-math.
6351 * simplify-rtx.c (simplify_ternary_operation): Likewise.
6353 Mon Sep 11 20:07:48 2000 J"orn Rennecke <amylaar@redhat.co.uk>
6355 * sh.h (INITIALIZE_TRAMPOLINE): Remove stray call to
6356 gen_ic_invalidate_line.
6358 2000-09-11 Philip Blundell <pb@futuretv.com>
6360 * config/arm/elf.h (SUBTARGET_CPP_SPEC): Don't define `arm_elf'.
6362 Mon Sep 11 10:48:41 2000 Ulrich Drepper <drepper@redhat.com>
6364 * install.texi (LANGUAGES): Update to include new languages.
6367 2000-09-11 DJ Delorie <dj@redhat.com>
6369 * gcc.c (main): Don't warn about unused -B prefixes
6370 (unused_prefix_warnings): remove
6372 2000-09-11 Kazu Hirata <kazu@hxi.com>
6374 * final.c: Fix formatting.
6376 * integrate.c: Fix formatting.
6378 2000-09-11 Geoff Keating <geoffk@cygnus.com>
6380 * alias.c (memrefs_conflict_p): An ADDRESSOF does conflict, sorry.
6382 2000-09-11 Bernd Schmidt <bernds@redhat.co.uk>
6384 * reload.c (regno_clobbered_p): Fix thinko in previous change.
6386 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6388 * gcc.1: Document 68hc11 specific options.
6390 2000-09-10 Geoff Keating <geoffk@cygnus.com>
6392 * config/rs6000/sysv4.h (MASK_LONG_DOUBLE_128): Define.
6393 (TARGET_LONG_DOUBLE_128): Define.
6394 (SUBTARGET_SWITCHES): Add -mlong-double-64 and -mlong-double-128.
6395 (LONG_DOUBLE_TYPE_SIZE): Redefine.
6396 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
6397 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on definition
6398 of __LONG_DOUBLE_128__.
6399 (CPP_SYSV_SPEC): Define __LONG_DOUBLE_128__ if -mlong-double-128
6401 (CPP_LONGDOUBLE_DEFAULT_SPEC): Define.
6402 (CPP_SYSV_DEFAULT_SPEC): Define.
6403 (SUBTARGET_EXTRA_SPECS): Add cpp_longdouble_default.
6404 (INIT_TARGET_OPTABS): Define.
6406 * config/rs6000/aix.h (RS6000_ITRUNC): Moved from rs6000.h.
6407 (RS6000_UITRUNC): Likewise.
6408 (INIT_TARGET_OPTABS): New macro.
6409 * config/rs6000/rs6000.c (rs6000_trunc_used): Delete.
6410 (trunc_defined): Delete.
6411 (output_prolog): Don't output .extern definitions for fp->int
6412 conversion routines, ASM_OUTPUT_EXTERNAL_LIBCALL will do it.
6413 * config/rs6000/rs6000.h (rs6000_trunc_used): Delete.
6414 (trunc_defined): Delete.
6415 (RS6000_ITRUNC): Moved to aix.h.
6416 (RS6000_UITRUNC): Likewise.
6417 * config/rs6000/rs6000.md (fix_truncdfsi2): Fail if it would
6418 only emit a libcall.
6419 (fixuns_truncdfsi2): Delete.
6420 (trunc_call): Delete.
6421 (trunc_call_rtl): Delete.
6423 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
6425 * varasm.c (make_decl_rtl): Restore leading star on
6426 DECL_ASSEMBLER_NAME set for decls with an asmspec.
6428 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
6430 * c-pragma.c (handle_pragma_pack): Correct parsing logic so it
6431 won't give a spurious error for '#pragma pack()'. Simplify
6432 control flow for readability. 'reset' action is not necessary.
6434 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
6436 * defaults.h: Provide default definitions for: CHAR_TYPE_SIZE,
6437 SHORT_TYPE_SIZE, INT_TYPE_SIZE, LONG_TYPE_SIZE,
6438 LONG_LONG_TYPE_SIZE, WCHAR_TYPE_SIZE, FLOAT_TYPE_SIZE,
6439 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE, and WCHAR_UNSIGNED.
6441 * cppexp.c, dwarfout.c, dwarf2out.c, emit-rtl.c, final.c, optabs.c,
6442 profile.c, sdbout.c, tradcif.y, tree.c:
6443 Include defaults.h if not already included.
6444 Don't define the above macros.
6446 * Makefile.in: Update dependencies.
6448 2000-09-10 Mark Mitchell <mark@codesourcery.com>
6450 * c-common.h (add_stmt): Change prototype.
6451 (RECHAIN_STMTS): New macro.
6452 (CASE_LABEL_DECL): Likewise.
6453 (genrtl_case_label): Change prototype.
6454 (c_expand_start_case): Remove prototype.
6455 (build_case_label): Change prototype.
6456 (decl_constant_value): Declare.
6457 * c-common.c (check_case_value): Handle C++'s extensions to C
6459 * c-commnon.def (CASE_LABEL): Add room for the CASE_LABEL_DECL
6461 * c-parse.in (stmt): Adjust handling of return statements and case
6463 * c-semantics.c (add_stmt): Return the new statement.
6464 (genrtl_return_stmt): Take the RETURN_STMT as input, not the
6465 returned expression. Directly generate RTL, rather than calling
6467 (genrtl_switch_stmt): Don't call c_expand_start_case.
6468 (build_case_label): Take the LABEL_DECL as input, too.
6469 (genrtl_case_label): Just call add_case_node.
6470 (expand_stmt): Adjust calls to genrtl_return_stmt and
6472 * c-tree.h (c_expand_start_case): Declare.
6473 * c-typeck.c (decl_constant_value): Give it external linkage.
6474 (c_expand_return): Don't call expand_return or expand_null_return;
6475 use genrtl_return_stmt instead.
6476 * stmt.c (struct nesting): Remove num_ranges field.
6477 (add_case_node): Give it external linkage.
6478 (expand_start_case): Don't set num_ranges.
6479 (expand_start_case_dummy): Don't clear it.
6480 (pushcase): Rely on add_case_node to handle `default' labels.
6481 (add_case_node): Handle `default' labels.
6482 * tree.c (tree_int_cst_compare): New function.
6483 * tree.h (tree_int_cst_compare): Declare.
6484 (add_case_node): Likewise.
6486 2000-09-10 Richard Henderson <rth@cygnus.com>
6488 * c-parse.in: Revert last change.
6489 (init_reswords): Do not enter disabled keywords into the ridpointers
6490 table, modulo objc weirdness.
6491 (_yylex): Return the canonical spelling for a keyword.
6493 2000-09-10 Philip Blundell <philb@gnu.org>
6495 * config/arm/arm.h (CPP_ISA_SPEC): Don't define `arm' or `thumb'.
6496 * config/arm/linux-elf.h (CPP_PREDEFINES): Don't define `__arm__'.
6498 Sun Sep 10 14:30:28 EDT 2000 John Wehle (john@feith.com)
6500 * alias.c (find_base_term): Handle ADDRESSOF.
6501 (memrefs_conflict_p): An ADDRESSOF doesn't conflict.
6503 2000-09-10 Denis Chertykov <denisc@overta.ru>
6505 * genoutput.c (output_insn_data): Translate <NEWLINE> to \n\ while
6506 outputting templates with many lines.
6508 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6510 * libgcc2.h: Use LONG_LONG_TYPE_SIZE instead of MIN_UNITS_PER_WORD
6511 to decide whether 64-bit support must be generated.
6513 2000-09-10 Richard Henderson <rth@cygnus.com>
6515 * c-parse.in (asm patterns): Fix volatile check.
6517 2000-09-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6519 * cppmacro.c (check_trad_stringification): New function.
6520 (save_expansion): If -Wtraditional, warn about stringification of
6523 2000-09-11 Michael Hayes <mhayes@cygnus.com>
6525 * loop.h (struct loop_mem_info): Move from loop.c
6526 (struct loop_info): Add fields store_mems, mems, mems_idx,
6527 mems_allocated, unknown_address_altered,
6528 unknown_constant_address_altered, num_mem_sets, and
6529 first_loop_store_insn.
6531 * loop.c (loop_store_mems): Replace with field in loop_info struct.
6532 (loop_mems, loop_mems_idx, loop_mems_allocated): Likewise.
6533 (unknown_address_altered, unknown_constant_address_altered): Likewise.
6534 (num_mem_sets): Likewise.
6535 (replace_loop_mems, replace_loop_regs): New.
6536 (struct loop_replace_args): New.
6537 (load_mems): Use replace_loop_mems.
6538 (try_copy_prop): Use replace_loop_regs.
6539 (replace_loop_reg, replace_loop_mem): Use loop_replace_args structure.
6541 2000-09-09 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6543 * configure.in: Recognize m6811-elf and m6812-elf.
6544 * configure: Regenerate.
6546 2000-09-09 Geoff Keating <geoffk@cygnus.com>
6548 * recog.c (validate_replace_rtx_1): Correct MODE parameter in call
6551 2000-09-10 Michael Hayes <mhayes@cygnus.com>
6553 * loop.c (struct movables): New.
6554 (num_movables): Move into struct movables.
6555 (the_movables): Change type to struct movables.
6556 (ignore_some_movables): Change struct movable arg to struct movables.
6557 (force_movables, combine_movables, regs_match_p): Likewise.
6558 (rtx_equal_for_loop_p, move_movables): Likewise.
6559 (scan_loop): Change movables to be of type struct movables.
6560 Replace last_movable with field in movables structure.
6562 2000-09-08 Zack Weinberg <zack@wolery.cumb.org>
6564 * c-pragma.c: Don't elide entire file if !HANDLE_GENERIC_PRAGMAS.
6565 (init_pragma): Avoid warning if pfile happens to be unused.
6566 * c-pragma.h: Never define HANDLE_GENERIC_PRAGMAS. Never
6567 define init_pragma to nothing. Always prototype
6568 init_pragma. Prototype dispatch_pragma if !USE_CPPLIB.
6570 * c-lex.c (process_directive): Always call dispatch_pragma.
6571 Initialize entering_c_header to 0.
6573 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6575 * config/m68hc11/m68hc11.md: New file, machine description for
6577 * config/m68hc11/m68hc11.h: New file, definitions for 68HC11 & 68HC12.
6578 * config/m68hc11/m68hc11.c: New file, functions for 68HC11 & 68HC12.
6579 * config/m68hc11/m68hc12.h: New file, definitions for 68HC12.
6580 * config/m68hc11/m68hc11-protos.h: New file.
6581 * config/m68hc11/m68hc11-crt0.S: New file, startup code.
6582 * config/m68hc11/t-m68hc11-gas: New file, makefile fragment.
6583 * config/m68hc11/xm-m68hc11.h: New file, target defs.
6584 * config/m68hc11/larith.asm: New file, libgcc routines.
6586 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6588 * Makefile.in (DPBIT_FUNCS): Add _usi_to_df.
6589 (FPBIT_FUNCS): Add _usi_to_sf.
6590 * config/fp-bit.c (usi_to_float): New function.
6591 * config/fp-bit.h (L_usi_to_sf, L_usi_to_df): Define.
6592 (usi_to_float): Add appropriate #define.
6594 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
6596 * i386-protos.h (sse_comparison_operator, mmx_reg_operand): Declare
6598 * i386.c (sse_comparison_operator, mmx_reg_operand): New functions.
6599 * i386.md (attr "type"): Add sse and mmx types.
6600 (attr "memory"): Handle them without a crash.
6601 (movsi_1, movdi_2): Allow MMX regs.
6602 (movdi splits): Don't split moves involving MMX regs.
6603 (setcc_4): Remove '*' from pattern name so we get a gen_setcc4.
6604 (movv4sf_internal, movv4si_internal, movv8qi_internal,
6605 movv4hi_internal, movv2si_internal, movv8qi, movv4hi, movv2si,
6606 movv4sf, movv4si, pushv4sf, pushv4si, pushv8qi, pushv4hi, pushv2si,
6607 sse_movaps, sse_movups, sse_movmskps, mmx_pmovmskb, mmx_maskmovq,
6608 sse_movntv4sf, sse_movntdi, sse_movhlps, sse_movlhps, sse_movhps,
6609 sse_movlps, sse_loadss, sse_movss, sse_storess, sse_shufps,
6610 addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, mulv4sf3, vmmulv4sf3,
6611 divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2, rsqrtv4sf2, vmrsqrtv4sf2,
6612 sqrtv4sf2, vmsqrtv4sf2, sse_andti3, sse_nandti3, sse_iorti3,
6613 sse_xorti3, maskcmpv4sf3, maskncmpv4sf3, vmmaskcmpv4sf3,
6614 vmmaskncmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
6615 smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
6616 cvttps2pi, cvtsi2ss, cvtss2si, cvttss2si, addv8qi3, addv4hi3,
6617 addv2si3, ssaddv8qi3, ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3,
6618 subv4hi3, subv2si3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
6619 mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
6620 mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3, mmx_uavgv8qi3,
6621 mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pextrw, mmx_pshufw,
6622 eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3, gtv2si3, umaxv8qi3,
6623 smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3, ashrv2si3, lshrv4hi3,
6624 lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3, mmx_ashldi3,
6625 mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
6626 mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
6627 mmx_punpckldq, emms, sfence, ldmxcsr, prefetch, stmxcsr, sse_clrti,
6628 mmx_clrdi): New patterns.
6630 2000-09-08 Richard Earnshaw <rearnsha@arm.com>
6632 * arm.c: Don't include tm.h directly.
6634 Fri Sep 8 14:34:56 MET DST 2000 Jan Hubicka <jh@suse.cz>
6636 * recog.c (validate_replace_rtx_1): Fix confusion about equality
6637 testing; simplify subregs of constants and nested subregs.
6639 2000-09-08 Alexandre Oliva <aoliva@redhat.com>
6641 * config/sh/sh.md (symPLT_label2reg): Use operand3 for PIC reg.
6643 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
6645 * combine.c (combine_simplify_rtx): Try to simplify VEC_SELECT of a
6647 * rtl.texi (description of USE): Add note about possible pitfalls
6649 From Richard Henderson:
6650 * reload1.c (choose_reload_regs): Compute need_mode properly.
6652 2000-09-07 Richard Henderson <rth@cygnus.com>
6654 * config/ia64/lib1funcs.asm (__divsi3): Use .s1 for frcpa.
6655 (__modsi3, __umodsi3): Likewise.
6656 (__udivsi3): Likewise. Normalize the TFmode values.
6658 2000-09-07 Geoff Keating <geoffk@cygnus.com>
6660 * config/rs6000/sol-c0.c (_start): Declare `termfunc' parameter
6662 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Use cast to suppress
6665 Fri Sep 8 03:26:38 2000 J"orn Rennecke <amylaar@redhat.co.uk>
6667 * sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): Remove.
6668 (cmpeqdi_t): Add output pattern.
6669 (cmpeqdi_t+1): Don't split when not optimizing.
6670 Restore proper splitting operation.
6672 2000-09-07 Richard Henderson <rth@cygnus.com>
6674 * c-lex.c (process_directive): If not HANDLE_GENERIC_PRAGMAS,
6675 do not call dispatch_pragma.
6677 2000-09-07 Jim Wilson <wilson@cygnus.com>
6679 * reload.c (push_reload): Use CLASS_CANNOT_CHANGE_MODE_P in addition
6680 to CLASS_CANNOT_CHANGE_MODE.
6681 * config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE_P): True only if the
6682 mode classes are different.
6684 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
6686 * cpplib.h (struct cpp_options): Add user_label_prefix member,
6687 left out of commit which removed cppulp.c.
6689 2000-09-07 Richard Henderson <rth@cygnus.com>
6691 * bb-reorder.c (fixup_reorder_chain): Add jump in new block
6692 after switch for CASE_DROPS_THROUGH.
6694 2000-09-07 Richard Henderson <rth@cygnus.com>
6696 * loop.c (strength_reduce): Call check_ext_dependant_givs.
6697 Properly extend the biv initial value for the giv.
6698 (record_biv): Zero ext_dependant.
6699 (record_giv): New argument ext_val. Update all callers.
6700 (general_induction_var): Likewise.
6701 (consec_sets_giv): Likewise.
6702 (simplify_giv_expr): Likewise. Fill in ext_val if we find
6703 a sign-extend, zero-extend, or truncate.
6704 (combine_givs_p): Make sure modes are compatible.
6705 (check_ext_dependant_givs): New.
6706 (extend_value_for_giv): New.
6707 * loop.h (struct induction): Add ext_dependant.
6708 * unroll.c (iteration_info): Extend the biv initial value for the giv.
6709 (find_splittable_givs): Likewise.
6710 (final_giv_value): Likewise.
6712 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
6714 * c-pragma.h: Define HANDLE_GENERIC_PRAGMAS if
6715 REGISTER_TARGET_PRAGMAS is defined. Duplicate some
6716 definitions from cpplib.h.
6717 * cpplib.h: Don't typedef struct cpp_reader if c-pragma.h has
6719 * tm.texi: Document HANDLE_PRAGMA as no longer supported. Add
6720 documentation for REGISTER_TARGET_PRAGMAS.
6722 * c-lex.c: Include cpplib.h before c-pragma.h. Define a
6723 default-pragma callback to implement -Wunknown-pragmas if
6725 * c-parse.in: Move all includes to top of file.
6726 * c-pragma.c: Include cpplib.h before c-pragma.h. Include
6728 (dispatch_pragma): Put the namespace in the -Wunknown-pragmas
6730 (init_pragma): If REGISTER_TARGET_PRAGMAS is defined, call it.
6732 * arm.h, arm-protos.h, arm.c,
6733 c4x.h, c4x-protos.h, c4x.c,
6734 h8300.h, h8300-protos.h, h8300.c,
6735 i370.h, i370-protos.h, i370.c,
6736 i960.h, i960-protos.h, i960.c,
6737 sh.h, sh-protos.h, sh.c,
6738 v850.h, v850-protos.h, v850.c: Convert HANDLE_PRAGMA-based
6739 pragmata scheme to use REGISTER_TARGET_PRAGMAS instead.
6741 * d30v.h: Don't mention HANDLE_PRAGMA in comment. Add
6742 multiple include guard.
6743 * i370.md (untyped_call): Use GEN_CALL.
6744 (umodsi3): Remove unused variable.
6745 * sh/elf.h: Don't undef HANDLE_SYSV_PRAGMA.
6746 * v850.c (output_move_single, output_move_double): Constify
6748 (print_operand): Constify a char *.
6749 * v850.h (struct small_memory_info): Constify name member.
6751 2000-09-07 Kazu Hirata <kazu@hxi.com>
6753 * config/h8300.h: Fix comment typos.
6754 * config/h8300/h8300.md: Likewise.
6755 * config/h8300/lib1funcs.asm: Likewise.
6757 Thu 07-Sep-2000 21:29:00 BST Neil Booth <NeilB@earthling.net>
6759 * Makefile.in: Remove references to cppulp.{c,o}.
6760 * cppinit.c (initialize_builtins, cpp_start_read,
6761 cpp_handle_option): Update to use cpp_options structure.
6764 2000-09-07 Joseph S. Myers <jsm28@cam.ac.uk>
6766 * c-common.c (time_char_table): Allow %#b and %#h.
6768 2000-09-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6770 * reorg.c (find_end_label): If the basic block reorder pass moves the
6771 return insn to some other place try to locate it again and put our
6772 end_of_function_label there.
6773 * reorg.c (relax_delay_slots): Check if find_end_label created a
6774 new label that invalidates the current optimazation.
6776 2000-09-07 Catherine Moore <clm@redhat.com>
6778 * unroll.c (unroll_loop): Check for unconditional jumps
6779 to loop continuation. Delete if n_iterations is 1.
6780 (ujump_to_loop_cont): New routine.
6782 2000-09-07 Bernd Schmidt <bernds@redhat.co.uk>
6784 * rtl.c (class_narrowest_mode): Add entries for MODE_VECTOR_INT and
6786 * reload.c (regno_clobbered_p): Accept new arg, MODE, and use it
6787 to handle multiword modes correctly. All callers and the declaration
6790 2000-09-06 Mark Mitchell <mark@codesourcery.com>
6792 * c-common.h (prep_stmt): Declare.
6793 (lang_expand_stmt): Likewise.
6794 * c-decl.c (lang_expand_stmt): Remove.
6795 * c-semantics.c (lang_expand_stmt): Define.
6796 (prep_stmt): New function.
6797 (expand_stmt): Handle common statement types here.
6799 2000-09-07 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>, Alexandre Oliva <aoliva@redhat.com>
6801 * configure.in (sh-*-linux*): Added.
6802 * configure: Rebuilt.
6803 * config/sh/t-linux: New file.
6804 * config/sh/sh.h (USERMODE_BIT): Define.
6805 (TARGET_USERMODE): Likewise.
6806 (TARGET_SWITCHES): New switches for the bits above.
6807 (INITIALIZE_TRAMPOLINE): Call __ic_invalidate in USERMODE.
6808 * config/sh/linux.h: New file.
6809 * config/sh/lib1funcs.asm (GLOBAL): Don't prefix symbols with
6810 underscore on linux.
6811 (L_sdivsi3, L_udivsi3): Define for linux.
6812 (L_ic_invalidate): Define.
6813 * invoke.texi (SH Options): Document -musermode.
6815 2000-09-07 Alexandre Oliva <aoliva@redhat.com>
6817 * config/sh/sh.h (OVERRIDE_OPTIONS): Don't disable function
6818 CSE unless generating PIC.
6820 * config/sh/sh.md (symPLT_label2reg): Force the initialization of
6823 2000-09-06 H.J. Lu (hjl@gnu.org)
6825 * Makefile.in (clean_s1): Depend on stage_b.
6826 (clean_s2): Depend on stage_d. Don't remove $(VOL_FILES) in
6827 stage2. They are used for "make compare".
6829 2000-09-06 Mark Mitchell <mark@codesourcery.com>
6831 Move statement-tree facilities from C++ to C front-end.
6832 * c-common.h (c_tree_index): Add CTI_VOID_ZERO.
6833 (void_zero_node): New macro.
6834 (struct stmt_tree_s): New type.
6835 (stmt_tree): New typedef.
6836 (struct language_function): New type.
6837 (last_tree): New macro.
6838 (last_expr_type): Likewise.
6839 (walk_tree_fn): New typedef.
6840 (current_stmt_tree): New function.
6841 (begin_stmt_tree): Likewise.
6842 (add_stmt): Likewise.
6843 (finish_stmt_tree): Likewise.
6844 (statement_code_p): Likewise.
6845 (lang_statement_code_p): New variable.
6846 (walk_stmt_tree): New function.
6847 (STMT_IS_FULL_EXPR_P): New macro.
6848 * c-common.c (lang_statement_code_p): New variable.
6849 (c_common_nodes_and_builtins): Initialize void_zero_node.
6850 (statement_code_p): New function.
6851 (walk_stmt_tree): Likewise.
6852 * c-decl.c (language_function): Rename to ...
6853 (c_language_function): ... this. Include language_function.
6854 (push_c_function_context): Adjust accordingly.
6855 (pop_c_function_context): Likewise.
6856 (mark_c_function_context): Likewise.
6857 (current_stmt_tree): Define.
6858 * c-semantics.c (begin_stmt_tree): New function.
6859 (add_stmt): Likewise.
6860 (prune_unused_decls): Likewise.
6861 (finish_stmt_tree): Likewise.
6863 2000-09-06 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6865 * flow.c (insn_dead_p): Detect dead memory stores with auto increments.
6867 2000-09-06 Kazu Hirata <kazu@hxi.com>
6869 * calls.c: Fix formatting.
6871 2000-09-06 Graham Stott <grahams@cygnus.co.uk>
6873 * config/i386/i386.h (ADDRESS_COST): Fix typo.
6875 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
6877 Integrated preprocessor.
6879 * Makefile.in: Remove all references to c-parse.gperf,
6880 c-gperf.h, and c-parse.h. Remove -d from yacc command line
6881 generating c-parse.c. Update dependencies.
6882 * c-parse.gperf, c-gperf.h: Delete.
6884 * c-common.c: Don't define parse_options, cpp_token, yy_cur,
6885 yy_lim, or yy_get_token. Don't define get_directive_line if
6887 * c-common.h: Add multiple include guard. Define RID values
6888 for every keyword in C, C++, and Objective C. Put all the
6890 (struct c_fileinfo, get_fileinfo, dump_time_statistics): New.
6891 * c-decl.c (c_decode_option): Handle -lang-objc here.
6892 (print_lang_identifier): Handle C_IS_RESERVED_WORD case.
6893 (grokdeclarator): Adjust for new RID scheme.
6894 (extract_interface_info): New stub.
6895 * c-lang.c: Don't declare yy_cur or parse_options.
6896 (lang_init_options): Call cpp_init. Don't call
6898 (lang_init): Don't call check_newline if USE_CPPLIB.
6900 * c-lex.c: Don't include c-parse.h. Do include timevar.h.
6901 Elide lots of unnecessary code if USE_CPPLIB. Delete code
6902 rendered unnecessary by new architecture. Move routines not
6903 shared with C++ to c-parse.in. Maintain a local idea of the
6904 line number. Handle C++ as well as C.
6905 [USE_CPPLIB]: Declare and register callbacks for #ident and
6906 for entering/leaving files.
6907 (init_c_lex, c_lex): Are now the entry points to this file.
6908 (check_newline): Break out directive handling to
6910 (read_ucs, is_extended_char, utf8_extend_token): Moved here
6912 (readescape, parse_float): Overhaul.
6913 (lex_number, lex_string, lex_charconst): Break out of c_lex
6915 (get_fileinfo, update_header_times, dump_one_header,
6916 dump_time_statistics): New and/or moved here from C++.
6917 Support per-file data needed by C++ and per-header timing
6918 statistics (C++ only, at the moment).
6919 * c-lex.h: Update prototypes. Add multiple include guard.
6920 * c-tree.h (struct lang_identifier): Add rid_code field.
6921 (C_IS_RESERVED_WORD, C_RID_CODE): New.
6923 * c-parse.in: Include c-pragma.h. Remove unnecesary calls to
6924 reinit_parse_for_function and/or position_after_white_space.
6925 (save_filename, save_lineno): Look ahead before saving.
6926 (label -> identifier ':'): Save file and line before shifting ':'.
6927 (reservedwords): No need to call get_identifier.
6928 (init_parse, finish_parse, yyerror, yylex, yyprint,
6929 make_pointer_declarator): Are now here for C/ObjC.
6930 (rid_to_yy): Conversion table from RID constants to Yacc codes.
6932 * c-pragma.c: Rewrite parsing logic to fit with cpplib's
6933 #pragma registry. Provide dummy implementation of that
6934 interface if !USE_CPPLIB.
6935 * c-pragma.h: Update to match.
6937 * flags.h: Add multiple include guard.
6938 (flag_detailed_statistics): Moved here from C++.
6939 * toplev.c: Define flag_detailed_statistics.
6941 * gcc.c (C specs): Use %(trad_capable_cpp) for -E|-M|-MM case
6943 * timevar.def (TV_CPP, TV_LEX): New.
6944 * timevar.h: Add multiple include guard.
6946 * objc/lang-specs.h: Use %(trad_capable_cpp) for -E|-M|-MM case
6948 * objc/objc-act.c: Don't mention yy_cur or parse_options.
6949 Initialize cpplib properly. Force lineno to 0 after first
6950 call to check_newline. Don't handle -lang-objc here.
6951 Move forget_protocol_qualifiers and remember_protocol_qualifiers here.
6953 2000-09-06 David Edelsohn <edelsohn@gnu.org>
6955 * rs6000.md: Correct function unit definitions for cr_logical and
6957 (sCOND): Additionally fail for sgt, slt, sge, sle if !TARGET_POWER
6958 and use portable method for >=0 and floating point >=. Remove
6959 associated matchers.
6961 2000-09-06 Mark Mitchell <mark@codesourcery.com>
6963 * extend.texi: Mark named return value extension as deprecated.
6965 2000-09-06 Geoff Keating <geoffk@cygnus.com>
6967 * config/rs6000/rs6000.c (rs6000_reverse_condition): Return
6970 2000-09-06 Gabriel Dos Reis <gdr@codesourcery.com>
6972 * toplev.c (display_help): Fix thinko in documentation.
6974 * diagnostic.h (output_buffer::indent_skip): New fields.
6975 (output_indentation): New macro.
6977 * diagnostic.c (output_indent): New function.
6978 (output_set_prefix, clear_diagnostic_info): Use.
6979 (output_emit_prefix): Predict future indentation.
6981 2000-09-06 DJ Delorie <dj@redhat.com>
6983 * Makefile.in (stage_*): add more dependencies to ensure parallel
6984 builds build correctly
6986 2000-09-06 Manfred Hollstein <manfredh@redhat.com>
6988 * Makefile.in (bootstrap-lean): Depend on bootstrap-lean_g,
6989 not bootstrap-lean_f.
6991 2000-09-06 Andreas Schwab <schwab@suse.de>
6993 * mklibgcc.in: Emit rule for libgcc-stage-start.
6994 * Makefile.in (stage1-start, stage2-start, stage3-start,
6995 stage4-start): Don't handle libgcc here, use libgcc.mk instead.
6997 2000-09-06 Bernd Schmidt <bernds@redhat.co.uk>
6999 * local-alloc.c (local_alloc): Ignore CLASS_LIKELY_SPILLED.
7000 (update_equiv_regs): Likewise, except for the mn10200 kludge.
7001 (combine_regs): Likewise.
7003 * Makefile.in (cse.o): Depend on $(BASIC_BLOCK_H).
7004 * cse.c: Include "basic-block.h".
7005 (struct table_elt): New field REGCOST.
7006 (CHEAP_REG): Delete macro.
7007 (COST): Return 0 for REGs.
7008 (approx_reg_cost_1, approx_reg_cost, preferrable): New functions.
7009 (notreg_cost): Return 0 for appropriate SUBREGs.
7010 (COSTS_N_INSNS): Return N * 2.
7011 (rtx_cost): Return 0 for REGs, and use cost of nested rtx for cheap
7013 (CHEAPER): Use new function preferrable.
7014 (insert): Initialize REGCOST member.
7015 (find_best_addr): Use approx_reg_cost for estimation of register
7017 (cse_insn): Likewise.
7018 * loop.c (iv_add_mult_cost): New function.
7019 (add_cost, shift_cost, mult_cost): Delete variables.
7020 (init_loop): Don't initialize add_cost; reduce copy_cost by half.
7021 (strength_reduce): Use iv_add_mult_cost instead of fixed add_cost.
7022 Make code that detects autoinc opportunities slightly less optimistic.
7023 (simplify_giv_expr): If expression contains other reg that is also a
7024 giv, only increment benefit if this is the only use of that reg.
7025 (consec_sets_giv): Take that change into account.
7026 (combine_givs): Slightly more verbose output.
7028 * i386.h (RTX_COSTS): For MULT, return true cost of multiplication,
7029 not the cost of an equivalent shift.
7030 * sh-protos.h (addsubcosts): Declare.
7031 * sh.c (addsubcosts): New function.
7032 * sh.h (CONST_COSTS): If CONST_OK_FOR_I, then return 0.
7033 (RTX_COSTS): Tweak. Use addsubcosts.
7034 (ADDRESS_COST): Return higher cost for reg+reg addressing.
7036 2000-09-06 Geoff Keating <geoffk@cygnus.com>
7038 * config/rs6000/rs6000.c (validate_condition_mode): New function.
7039 (branch_comparison_operator): Call validate_condition_mode to
7040 abort rather than returning 0.
7041 (branch_positive_comparison_operator): New function.
7042 (scc_comparison_operator): Call validate_condition_mode to abort
7043 rather than returning 0.
7044 (ccr_bit): Call validate_condition_mode. Update for
7046 (print_operand): Delete %C modifier. Update %E case
7047 to use EQ bit not SO bit.
7048 (rs6000_reverse_condition): New function.
7049 (rs6000_generate_compare): New function.
7050 (rs6000_emit_sCOND): New function.
7051 (rs6000_emit_cbranch): New function.
7052 (output_cbranch): The length of a long branch insn is
7053 now only 8 bytes. Add validate_condition_mode. Use
7054 rs6000_reverse_condition. Remove cror generation.
7056 * config/rs6000/rs6000.h: Update comments.
7057 (PREDICATE_CODES): Add new predicate. Update codes used
7058 by branch_comparison_operator and scc_comparison_operator.
7059 * config/rs6000/rs6000-protos.h: Add prototypes for
7060 new external functions.
7061 * config/rs6000/rs6000.md: Add new scheduling parameters
7062 for cr_logical instructions. Change length of branch
7064 (bCOND patterns): Call rs6000_emit_cbranch.
7065 (sCOND patterns): Call rs6000_emit_sCOND.
7066 (branch patterns): Change lengths to 4.
7067 (cr logical patterns): New.
7069 2000-09-06 Richard Henderson <rth@cygnus.com>
7071 * config/i386/i386.md (call_pop): Fix test for setting
7072 current_function_uses_pic_offset_table.
7073 (call, call_value_pop, call_value): Likewise.
7075 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
7077 * timevar.c (timevar_add): Delete.
7078 (timevar_get): Also count time since the selected timer was
7079 last updated. Do not examine the timevar stack if the
7080 selected timer is standalone.
7082 2000-09-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
7084 * gthr-dce.h (__gthread_objc_mutex_deallocate): Free mutex->backend.
7086 2000-09-05 Jason Merrill <jason@redhat.com>
7088 * c-decl.c (finish_incomplete_decl): Don't call complete_array_type
7089 for 'extern' arrays.
7091 2000-09-05 Richard Henderson <rth@cygnus.com>
7093 * config/ia64/lib1func.asm (__divtf3): Rebundle for Itanium.
7094 Eliminate final copy from non-trapping case.
7095 (__divdf3, __divsf3): Likewise.
7097 2000-09-05 Richard Henderson <rth@cygnus.com>
7099 * config/ia64/ia64.md (mulhi3): Fix typo last change.
7100 * config/ia64/lib1func.asm (__divdi3, __udivdi3, __umodsi3): Likewise.
7102 2000-09-03 Donn Terry <donn@interix.com>, Laurynas Biveinis <lauras@softhome.net>
7104 * Makefile.in: Restructure bootstrap stages to allow clean
7105 restart after failure.
7107 2000-09-05 Richard Henderson <rth@cygnus.com>
7109 * config/ia64.md (movsi and movdi patterns): Allow moves from
7110 8-bit constants to AR registers.
7112 2000-09-05 Richard Henderson <rth@cygnus.com>
7114 * config/ia64/ia64.md (mulhi3): New.
7116 2000-09-05 Richard Henderson <rth@cygnus.com>
7118 * config/ia64/ia64.h (INIT_TARGET_OPTABS): Remove.
7119 * config/ia64/lib1funcs.asm (__divdi3): Update from Intel IA-64
7120 Optimization Guide, minimum latency alternative.
7121 (__moddi3, __udivdi3, __umoddi3): Likewise.
7122 (__divsi3, __modsi3, __udivsi3, __umodsi3): Likewise.
7124 2000-09-05 Bruce Korb <bkorb@gnu.org>
7126 * fixinc/fixincl.c (load_file): always read header files
7127 with sizes that are a multiple of the page size.
7128 & use libiberty's getpagesize for determining that.
7130 2000-09-05 Alexandre Oliva <aoliva@redhat.com>
7132 * gcse.c (hash_string_1): Add prototype.
7133 * cse.c (canon_hash_string): Likewise.
7135 2000-09-04 Craig Newell <CraigN@ieee.org>
7137 * gcc.c: Undefine "__WCHAR_TYPE__" before redefining it.
7139 2000-09-04 Andreas Schwab <schwab@suse.de>
7141 * Makefile.in (STAGESTUFF): Remove libgcc.
7142 (stage1-start, stage2-start, stage3-start): Copy the contents of
7143 the libgcc directory explicitly.
7144 (mostlyclean): Clean libgcc.
7146 2000-09-04 Andrew Haley <aph@redhat.com>
7148 * dwarf2out.c: (stack_adjust_offset): New prototype.
7150 Wed Jan 1 00:23:59 MET 1997 Jan Hubicka <jh@suse.cz>
7152 * combine.c (make_extraction): Fix rtx_cost comparison to
7155 Wed Jan 1 00:17:32 MET 1997 Jan Hubicka <jh@suse.cz>
7157 * i386.md (pushsi2, pushhi2, pophi2, swapsf, swapdf,
7158 umulsi3_highpart, smulsi3_highpart, testqi_ccno_1, xorqi_ext_1):
7159 Add '*' to insn pattern name.
7161 2000-09-04 Jakub Jelinek <jakub@redhat.com>
7163 * cpplex.c (ON_REST_ARG): Check VAR_ARGS flag of current context,
7164 use posn - 1 to index into tokens array.
7165 (maybe_paste_with_next): Adjust caller.
7167 2000-09-03 Geoff Keating <geoffk@cygnus.com>
7169 * invoke.texi: Document the -mvxworks option for rs6000 ELF.
7171 * config/rs6000/rs6000.h: Update various comments about XER_REGNO.
7172 (REGNO_REG_CLASS): Use symbolic register
7175 2000-09-03 Richard Earnshaw <rearnsha@arm.com>
7177 * arm.c (final_prescan_insn): If the form of a jump insn isn't
7178 recognized, don't try to conditionally execute it.
7180 Sun Sep 3 13:10:56 2000 Denis Chertykov <denisc@overta.ru>
7182 * config/avr/avr.md ("*tablejump_lib"): New pattern.
7183 (call_value_insn): Right length claculation.
7184 (call_insn): Likewise.
7186 2000-09-02 Marek Michalkiewicz <marekm@linux.org.pl>
7188 * config/avr/avr-protos.h, config/avr/avr.c (unique_section,
7189 gas_output_limited_string, gas_output_ascii, output_movqi,
7190 output_movhi, out_movqi_r_mr, out_movqi_mr_r, out_movhi_r_mr,
7191 out_movhi_mr_r, out_movsi_r_mr, out_movsi_mr_r, output_movsisf,
7192 out_tstsi, out_tsthi, ret_cond_branch, ashlqi3_out, ashlhi3_out,
7193 ashlsi3_out, ashrqi3_out, ashrhi3_out, ashrsi3_out, lshrqi3_out,
7194 lshrhi3_out, lshrsi3_out, output_reload_inhi, output_reload_insisf,
7195 out_shift_with_cnt, ptrreg_to_str, cond_string, encode_section_info):
7196 Add "const" as needed to remove warnings.
7198 * config/avr/avr.c (avr_override_options, avr_init_once,
7199 function_prologue, function_epilogue, frame_pointer_required_p,
7200 class_likely_spilled_p, order_regs_for_local_alloc,
7201 avr_address_cost, avr_ret_register): Use K&R style arguments.
7202 (initial_elimination_offset, gas_output_limited_string):
7203 Remove ATTRIBUTE_UNUSED from the used arguments.
7204 (output_mov*, out_mov*_r_mr, out_mov*_mr_r, output_reload_insisf):
7205 Use local variables src, dest, base to access operands[].
7206 Rename reg_dest to reg_src if that's what it is.
7207 (output_movhi, output_movsisf): Optimize loading 8-bit immediate
7208 constants to LD_REGS if reg_was_0.
7209 (output_reload_insisf): Change arg 3 to insn length and set it.
7210 (out_movhi_r_mr, out_movhi_mr_r): Use in/out for more efficient
7211 access to 16-bit I/O register pairs.
7212 (avr_address_cost): Lower cost for the above case.
7213 (out_tsthi): Use "or" (faster) instead of "sbiw" if the operand
7214 may be clobbered, also for LD_REGS.
7215 (adjust_insn_length): Correct insn length for iorhi3 and iorsi3
7218 * config/avr/avr.h (PTRDIFF_TYPE): Make signed.
7220 * config/avr/avr.md: Change all uses of the TEST_HARD_REG_CLASS
7221 macro to test_hard_reg_class function.
7222 (*movsi, *movsf): Change "cc" attribute from "clobber" to "none"
7223 for loading immediate constants to LD_REGS.
7224 (andsi3, cmphi, cmpsi): Add return statements to avoid warnings.
7227 Sat Sep 2 13:58:23 2000 Marek Michalkiewicz <marekm@linux.org.pl>
7229 * config/avr/avr.md ("*negsi2"): substitute %@ to __zero_reg__
7230 * config/avr/libgcc.S: Lost part of the previous patch.
7232 2000-08-31 J. David Anglin <dave@hiauly1.hia.nrc.ca>
7234 * gthr-dce.h (__gthread_objc_mutex_allocate): Create a pthread_mutex_t
7235 object before calling pthread_mutex_init.
7237 2000-09-02 Alexandre Oliva <aoliva@redhat.com>
7239 * config/sh/t-elf, config/sh/crt1.asm, config/sh/crti.asm,
7240 config/sh/crtn.asm: New files.
7241 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Set.
7242 (crt1.o, crti.o, crtn.o): New targets.
7243 * configure.in [sh-*-elf*, sh-*-rtemself*] (tmake_file): Added
7245 * configure: Rebuilt.
7246 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
7247 STARTFILE_SPEC, ENDFILE_SPEC, CRT_CALL_STATIC_FUNCTION): Define.
7248 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
7249 Undefine for config/elfos.h to redefine.
7250 (STARTFILE_SPEC, ENDFILE_SPEC): Redefine after config/elfos.h.
7252 2000-09-02 Alexandre Oliva <aoliva@redhat.com>, Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
7254 * config/sh/sh-protos.h (nonpic_symbol_mentioned_p,
7255 legitimize_pic_address, output_pic_addr_const): Declare.
7256 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Fix PIC register.
7257 (PREFERGOT_BIT, TARGET_PREFERGOT): Likewise.
7258 (TARGET_SWITCHES): New switch -mprefergot.
7259 (OVERRIDE_OPTIONS): Set flag_no_function_cse unless -mprefergot.
7260 (PIC_OFFSET_TABLE_REGNUM): Define.
7261 (GOT_SYMBOL_TABLE): Likewise.
7262 (LEGITIMIZE_ADDRESS): Use legitimize_pic_address.
7263 (ENCODE_SECTION_INFO): Define.
7264 (FINALIZE_PIC): New macros.
7265 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST_P): New macro.
7266 (ASM_OUTPUT_INT, ASM_OUTPUT_SHORT): Use output_pic_addr_const.
7267 * config/sh/sh.c (print_operand_address): Use output_pic_addr_const.
7268 (prepare_move_operands): Call emit_pic_move or
7269 emit_pic_const_move if appropriate.
7270 (output_far_jump): For PIC, use braf and output long offset.
7271 (machine_dependent_reorg):
7272 (sh_expand_prologue): Save and initialize the PIC register.
7273 (sh_expand_epilogue): Restore it.
7274 (initial_elimination_offset): Account for it.
7275 (nonpic_symbol_mentioned_p): New function.
7276 (legitimize_pic_address): Likewise.
7277 (output_pic_addr_const): Likewise.
7278 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): New insns.
7279 (call, call_value): Use them.
7280 (GOTaddr2picreg, sym_label2reg, symGOT2reg, symGOTOFF2reg,
7281 symPLT_label2reg): New expands.
7282 * invoke.texi (SH Options): Document -mprefergot.
7284 2000-09-01 Alexandre Oliva <aoliva@redhat.com>
7286 * rtl.h (ASM_OPERANDS_INPUT_CONSTRAINT_EXP): New macro.
7287 * gcse.c (hash_string_1): New function.
7288 (hash_expr_1) <ASM_OPERANDS>: Disregard filename and line number.
7289 (expr_equiv_p) <ASM_OPERANDS>: Likewise.
7290 * cse.c (rtx_cost): Don't increase the cost of ASM_OPERANDS.
7291 (canon_hash_string): New function.
7292 (canon_hash) <ASM_OPERANDS>: Disregard filename and line number.
7293 (exp_equiv_p) <ASM_OPERANDS>: Likewise.
7294 (fold_rtx): Use ASM_OPERANDS accessor macros.
7295 * emit-rtl.c (copy_insn_1): Likewise.
7296 * integrate.c (copy_rtx_and_substitute): Likewise.
7297 * stmt.c (expand_asm_operands): Likewise. Give an
7298 ASM_OPERANDS rtx the mode of the output reg being set from it.
7300 2000-09-01 Fred Fish <fnf@be.com>
7302 * fix-header.c (write_rbrac): Add putc and getc to list of
7303 functions to protect against prior definition as a macro.
7305 2000-09-01 Joseph S. Myers <jsm28@cam.ac.uk>
7307 * c-common.h (enum c_tree_index): Add CTI_C_SIZE_TYPE.
7308 (c_size_type_node): Define.
7309 * c-decl.c (init_decl_processing): Initialize c_size_type_node.
7310 * c-common.c (enum format_lengths, enum format_std_version,
7311 format_length_info, format_type_detail, BADLEN, NOLENGTHS,
7312 format_kind_info, printf_length_specs, scanf_length_specs, T89_I,
7313 T99_I, T89_L, T99_LL, TEX_LL, T89_S, T89_UI, T99_UI, T89_UL,
7314 T99_ULL, TEX_ULL, T89_US, T89_F, T99_F, T89_D, T99_D, T89_LD,
7315 T99_LD, T89_C, T99_SC, T99_UC, T89_V, T94_W, TEX_W, T94_WI,
7316 TEX_WI, T99_ST, T99_SST, T99_PD, T99_UPD, T99_IM, T99_UIM,
7317 format_types): Define.
7318 (format_char_info, print_char_table, scan_char_table,
7319 time_char_table): Rearrange for new organization of information
7320 about format length modifiers and standard versions.
7321 (T_ST): Redefine to use c_size_type_node.
7322 (check_format_info): Obtain information about length modifiers and
7323 standard versions from tables. Adjust warning message wordings.
7324 Use the name from the user's program for `ll' and `hh' length
7325 modifiers in warning messages. Use more informative names for
7326 wanted types where available (for wchar_t, wint_t, size_t, signed
7327 size_t, ptrdiff_t, unsigned ptrdiff_t, intmax_t and uintmax_t).
7329 2000-09-01 Jim Wilson <wilson@cygnus.com>
7331 * calls.c (emit_call_1): Add REG_NORETURN note to call if ECF_NORETURN.
7332 * combine.c (distribute_notes): Handle REG_NORETURN.
7333 * rtl.c (reg_note_name): Add REG_NORETURN.
7334 * rtl.h (enum reg_note): Likewise.
7336 * config/ia64/ia64-protos.h (emit_safe_across_calls): Renamed from
7338 * config/ia64/ia64.c (emit_safe_across_calls): Likewise.
7339 (rtx_needs_barrier): Handle unspec_volatile 8 and 9.
7340 (emit_predicate_relation_info): Handle conditional calls with
7342 * config/ia64/ia64.h (ASM_FILE_START): Call emit_safe_across_calls
7343 instead of ia64_file_start.
7344 * config/ia64/sysv4.h (ASM_FILE_START): Likewise.
7345 * config/ia64/ia64.md (safe_across_calls_all,
7346 save_across_calls_normal): New patterns.
7348 * loop.c (check_final_value): Check for biv use before checking for
7349 giv use. Check for both biv and giv uses. Always set last_giv_use
7350 if there is a giv use.
7352 2000-09-01 Richard Henderson <rth@cygnus.com>
7354 * config/ia64/ia64.md (mulsi3): Use grfr_register_operand.
7355 (madddi3): Likewise.
7358 Fri Sep 1 10:59:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7360 * expr.c (clear_storage): Don't use emit_move_insn unless
7361 either BLKmode or proper size.
7362 (store_constructor): Don't call clear_storage if REG of wrong size.
7364 * flow.c (init_propagate_block_info): Don't mark frame dead at end
7365 of function if returns wiht stack pointer depressed.
7367 2000-09-01 Andrew Haley <aph@redhat.com>
7369 * dwarf2out.c (stack_adjust_offset): New function.
7370 (dwarf2out_stack_adjust): Break out stack adjust logic into
7371 new stack_adjust_offset function. Look inside parallels and
7372 sequences for stack adjustments.
7374 2000-08-31 Jeff Law <law@cygnus.com>
7376 * arm.md: Use no_new_pseudos to determine when it is safe
7377 to create new pseudo registers.
7379 * arm.c (legitimize_pic_address): Use no_new_pseudos to determine
7380 when we can safely allocate new registers.
7382 2000-08-31 Geoffrey Keating <geoffk@cygnus.com>
7384 * stmt.c (expand_asm_operands): Twiddle generating_concat_p
7385 so that CONCATs are not generated for ASMs.
7386 * emit-rtl.c (gen_reg_rtx): Don't generate CONCATs when
7387 not generating_concat_p.
7388 * function.c (pop_function_context_from): Reset
7389 generating_concat_p.
7390 (prepare_function_start): Likewise.
7391 * rtl.c (generating_concat_p): Define.
7392 * rtl.h (generating_concat_p): Declare.
7393 * toplev.c (rest_of_compilation): No CONCATs after RTL generation.
7395 2000-08-22 Philipp Thomas <pthomas@suse.de>
7396 Masanobu Yuhara <yuhara@flab.fujitsu.co.jp>
7398 * gmicro.h (TARGET_SWITCHES): Add descriptions and mark them
7401 2000-08-30 Greg McGary <greg@mcgary.org>
7403 * Makefile.in (fixinc.sh): Pass CC, CFLAGS and LDFLAGS to mkfixinc.sh
7404 * fixinc/Makefile.in (fixincl): Pass $(LDFLAGS) to $(CC).
7405 * fixinc/mkfixinc.sh: Pass $CC, $CFLAGS and $LDFLAGS to $MAKE.
7407 2000-08-30 Greg McGary <greg@mcgary.org>
7409 * tree.h (struct tree_int_cst): Wrap low and high in a sub-struct.
7410 (TREE_INT_CST_LOW, TREE_INT_CST_HIGH): Access through sub-struct.
7411 (TREE_INT_CST): New macro.
7412 * varasm.c (const_hash, compare_constant_1, record_constant_1):
7413 Use new macro TREE_INT_CST.
7415 Wed 30-Aug-2000 23:18:59 BST Neil Booth <NeilB@earthling.net>
7417 * contrib.texi: Add self.
7419 2000-08-30 Alexandre Oliva <aoliva@redhat.com>
7421 * config/sh/sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): New insns.
7422 (cmpeqdi_t splitter): Use cmpeqsi_and_t instead of emitting jumps
7425 2000-08-30 J. David Anglin <dave@hiauly1.hia.nrc.ca>
7427 * fixinc/gnu-regex.c: Don't define `const'.
7429 Tue Aug 29 22:09:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7431 * expr.c (store_constructor): Allow variable bounds of array type.
7432 (expand_expr): Don't blow up if type is ERROR_MARK.
7433 * varasm.c (output_constructor): Don't access lower bound of array
7434 type unless need it if index is supplied (so it can be a variable
7435 if no index is supplied).
7436 Use tree_low_cst; use HOST_WIDE_INT for sizes; change BITPOS to POS.
7437 Other minor cleanups.
7439 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
7441 * Makefile.in: Revamp handling of cflags to allow different WARN_CFLAGS
7442 for compilations in stage 1 and subsequent stages, respectively.
7443 * configure.in (vax): Add compiler-dependent CFLAGS for stage 1.
7444 * configure: Rebuilt.
7445 * x-vax, x-vax-gcc: Deleted.
7447 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
7449 * c-common.c (declare_function_name): Use func_id_node,
7450 function_id_node, and pretty_function_id_node. Do not make
7451 __func__ visible at file scope.
7452 * c-common.h (c_tree_index): Add CTI_FUNCTION_ID,
7453 CTI_PRETTY_FUNCTION_ID, and CTI_FUNC_ID.
7454 (function_id_node, pretty_function_id_node, func_id_node): New
7456 * c-decl.c (init_decl_processing): Initialize function_id_node,
7457 pretty_function_id_node, and func_id_node.
7458 (c_make_fname_decl): Correct comment.
7460 * tree.h (struct tree_identifier): Constify pointer member.
7462 * c-decl.c (pushdecl, implicit_decl_warning): Constify a char *.
7463 * c-pragma.h (struct weak_syms): Constify name and value members.
7464 (add_weak): Constify arguments.
7466 * calls.c (special_function_p): Constify a char *.
7467 (expand_call): Remove variable which is initialized and then
7469 * dependence.c (struct def_use, struct induction, struct subscript):
7470 Constify 'variable' member.
7471 (get_low_bound, have_induction_variable): Constify char * argument.
7472 (find_induction_variable): Add braces to avoid dangling else.
7473 (classify_dependence): Constify char * arrays.
7474 * profile.c (output_func_start_profiler): Constify a char *.
7475 * stor-layout.c (finalize_record_size): Constify a char *.
7476 * tree.c (is_attribute_p): Constify a char *.
7477 * varasm.c (add_weak, remove_from_pending_weak_list): Constify argument.
7479 * varasm.c (make_function_rtl, make_decl_rtl): Rearrange code
7480 for comprehensibility. Do not call get_identifier if we did
7481 not change the DECL_ASSEMBLER_NAME of the decl. Use alloca to
7482 create temporary string constants, not ggc_alloc_string. No
7483 need to copy result of ASM_FORMAT_PRIVATE_NAME. Use const
7484 char * to hold IDENTIFIER_POINTERs.
7486 2000-08-29 Richard Henderson <rth@cygnus.com>
7488 * config/ia64/ia64.md (muldi3): Use grfr_register_operand
7491 2000-08-29 Richard Henderson <rth@cygnus.com>
7493 * reload.c (push_secondary_reload): Allow class == reload_class
7494 if we're using a reload_in/out pattern.
7496 * config/ia64/ia64.md (reload_inti): Use a TImode scratch. Use
7497 the half that does not conflict with the reload register.
7498 (reload_outti): Likewise.
7500 2000-08-29 Kazu Hirata <kazu@hxi.com>
7502 * reload.c: Fix formatting.
7504 * stmt.c: Fix formatting.
7506 * gcc.c: Fix formatting.
7508 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
7510 * flags.h (time_report, mem_report): New global flags.
7511 * toplev.c: Define time_report and mem_report.
7512 (f_options): Add -ftime-report and -fmem-report.
7513 (compile_file): Turn on time_report if quiet_flag is off.
7514 Call ggc_print_statistics at very end if mem_report is on.
7515 * timevar.c (TIMEVAR_ENABLE): Examine time_report, not quiet_flag.
7517 * ggc-common.c (ggc_print_statistics): Rename to
7518 ggc_print_common_statistics; all callers changed. Scale
7519 quantities above 10K to kilobytes and above 10M to megabytes.
7520 * ggc-page.c (ggc_page_print_statistics): Rename to
7521 ggc_print_statistics. Report memory consumed by internal data
7522 structures for each allocation bucket. Scale quantities above
7523 10K to kilobytes and above 10M to megabytes.
7524 * ggc-simple.c: Prototype debug_ggc_tree to avoid warning.
7525 Cast PTR_KEY(p) to unsigned long in fprintf call to avoid warning.
7526 Define tally_leaves always.
7527 (ggc_print_statistics): New function.
7528 * ggc.h: Adjust for renamed functions.
7530 Wed Aug 30 00:11:42 2000 Denis Chertykov <denisc@overta.ru>
7532 * config/avr/avr.md ("*movsf","*movsi"): Pass NULL to
7533 output_movsisf instead of which_alternative.
7535 * config/avr/avr.c (output_reload_inhi): Check for NULL ponter.
7537 Tue Aug 29 22:29:58 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
7539 * config/avr/avr-protos.h: (avr_output_ascii) Removed.
7540 (avr_progmem_p): New prototype.
7541 (output_movsisf): Prototype declaration changed.
7542 (output_movqi): New prototype.
7543 (output_movhi): New prototype.
7544 (call_insn_operand): Likewise.
7545 (final_prescan_insn): Likewise.
7546 (avr_simplify_comparision_p): Likewise.
7547 (avr_normalize_condition): Likewise.
7548 (compare_eq_p): Likewise.
7549 (out_shift_with_cnt): Likewise.
7550 (const_int_pow2_p): Likewise.
7551 (output_reload_inhi): Prototype declaration changed.
7553 * config/avr/avr.c: (debug_hard_reg_set): Prototype declared.
7554 (ldi_reg_rtx): New. rtx for r31.
7555 (avr_init_stack): Initialize as "__stack".
7556 (function_prologue): Use it.
7557 Replace all TARGET_ENHANCED with AVR_ENHANCED.
7558 (avr_mcu_name): Initialize as "avr2".
7559 (avr_enhanced_p, avr_mega_p): New variables.
7560 (mcu_types, avr_override_options): Handle all known MCU types.
7561 Also handle avr1 (only preprocess, assemble and link).
7562 (print_operand): Using of `%K' in output template removed.
7563 (out_movqi_r_mr): Optimized.
7564 (out_movhi_r_mr): Likewise.
7565 (output_movqi): New function.
7566 (output_movhi): Likewise.
7567 (out_movsi_r_mr): Optimized.
7568 (output_movsisf): Compute insn length for `adjust_insn_length'
7569 (out_movqi_mr_r): Optimized.
7570 (out_movhi_mr_r): Optimized.
7571 (adjust_insn_length): Use output_movsisf, output_movqi,
7572 output_movhi for insn length adjusting.
7573 (reg_unused_after): Use dead_or_set_p.
7574 (preferred_reload_class): Now havn't any restriction.
7575 (reg_was_0): New function.
7576 (io_address_p): Likewise.
7577 (const_int_pow2_p): Likewise.
7578 (output_reload_inhi): Likewise.
7579 (output_reload_insisf): Likewise.
7581 * config/avr/avr.h (MULTILIB_DEFAULTS): Define.
7582 (LIB_SPEC): Use -lc for all supported devices.
7583 (LIBGCC_SPEC): Use -lgcc for all supported devices.
7584 (AVR_MEGA): Define as avr_mega_p.
7585 (AVR_ENHANCED): New, define as avr_enhanced_p.
7586 (TARGET_SWITCHES): Remove -menhanced, now handled by -mmcu=...
7587 (CPP_SPEC, LINK_SPEC): Handle all known MCU types.
7588 (CRT_BINUTILS_SPECS): Handle all known MCU types.
7589 Rename gcrt1-*.o to make file names unique on 8.3 filesystems.
7590 (EXTRA_SPECS): Add CPP_AVR[1-5]_SPEC.
7591 (ASM_SPEC): Pass -mmcu=... to the assembler.
7592 Change all -DAVR_* to -D__AVR_*__.
7593 (INIT_TARGET_OPTABS), config/avr/libgcc.S:
7594 Rename library functions to start with two underscores.
7595 (ASM_OUTPUT_COMMON): Outputs `.comm VAR,VAR-SIZE,1' to avoid
7597 (ASM_WEAKEN_LABEL): Declared for __attribute__((weak)).
7598 (SUPPORTS_WEAK): Likewise.
7599 (LDI_REG_REGNO): New. Register r31 will be used as temporary
7600 register for loading constants to r0-r14.
7602 * config/avr/avr.md: Replace all TARGET_ENHANCED with
7604 (*mov_r_sp): Removed. Handled by output_movhi.
7605 (*mov_sp_r): Likewise.
7606 (*mov_sp_r_no_interrupts): Likewise
7607 (*mov_sp_r_tiny): Likewise.
7608 (*movqi): Use output_movqi.
7609 (*reload_inqi): New.
7610 (*movhi): Use output_movhi.
7611 (*reload_inhi): New.
7612 (*negsi2): Optimized.
7613 (*negsf2): Likewise.
7614 Added peepholes (define_peephole2) for loading constants to r0-r14
7615 and for using `cpse' command.
7617 * config/avr/libgcc.S: Rename library functions to start with two
7619 Add support for enhanced core.
7620 (_moqhi3): Fix typo, now _modqi3.
7621 (__divsi_raw): Use __zero_reg__ as loop counter, smaller by 1 word.
7622 (__prologue_saves__): Remove test for stack adjust by 0.
7623 (__tablejump__): New.
7625 * config/avr/t-avr: Build libgcc2 with -mcall-prologues.
7626 Add multilib support.
7628 Tue Aug 29 15:17:54 EDT 2000 John Wehle (john@feith.com)
7630 * loop.c (prescan_loop): Don't check unknown_address_altered
7631 when deciding if insert_loop_mem is safe. Add BLKmode MEMs
7632 to loop_store_mems as necessary.
7633 (loop_invariant_p): Don't check unknown_address_altered
7634 or unknown_constant_address_altered.
7636 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
7638 * vax.md (sltu, sgeu): Delete sltu and sgeu insn patterns.
7640 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
7642 * cpperror.c (print_file_and_line): If line is (unsigned int)-1,
7643 print just the filename.
7644 * cpplex.c (_cpp_run_directive): Add additional argument, the
7645 name to give the synthetic buffer. This defaults to
7646 translated "<command line>".
7647 * cpplib.c (cpp_define, cpp_undef, cpp_assert, cpp_unassert):
7649 (_cpp_define_builtin): New function.
7650 * cppinit.c (initialize_builtins): Use _cpp_define_builtin.
7651 * cpphash.h: Update prototypes.
7653 * tradcpp.c (main): Process -D and -U simultaneously, in the
7654 order they appeared on the command line.
7656 2000-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7658 * c-decl.c (define_label): Call warning_with_file_and_line and
7659 error_with_file_and_line instead of plain warning or error.
7661 * c-parse.in (label): Use save_filename/save_lineno to ensure
7662 correct values for calls to define_label.
7664 2000-08-29 Mark Mitchell <mark@codesourcery.com>
7666 * calls.c (expand_call): Don't create a VAR_DECL just to throw it
7668 * expr.c (expand_expr, case TARGET_EXPR): Don't call
7670 * tree.h (get_file_function_name): Remove two duplicate
7673 2000-08-28 Kazu Hirata <kazu@hxi.com>
7675 * tree.c: Fix formatting.
7677 * xcoffout.c: Fix formatting.
7679 2000-08-28 Jason Merrill <jason@redhat.com>
7681 * dwarf2out.c (attr_checksum): Also ignore DW_AT_producer.
7683 2000-08-28 Daniel Berlin <dberlin@redhat.com>
7685 * dwarf2out.c (dwarf2out_finish): Don't bother calling
7686 break_out_includes if it won't do anything.
7688 2000-08-28 Richard Henderson <rth@cygnus.com>
7690 * reload.c (push_secondary_reload): Revert 2000-08-16 change.
7691 (find_reloads): Likewise.
7692 * config/alpha/alpha.md (reload_inqi): Revert 2000-08-11 change.
7693 (reload_inhi): Likewise.
7695 2000-08-28 Richard Henderson <rth@cygnus.com>
7697 * config/i386/i386.c: Don't error on EXTRA_CONSTRAINT defined.
7698 (call_insn_operand): Don't expect a surrounding mem.
7699 (constant_call_address_operand): Likewise.
7700 * config/i386/i386.h (PREDICATE_CODES): Update.
7701 * config/i386/i386.md (call patterns): Move the match_operand
7702 for the call destination inside the mem.
7704 2000-08-28 Richard Henderson <rth@cygnus.com>
7706 * local-alloc.c (requires_inout): Don't use reserved range for
7707 EXTRA_CONSTRAINTS; use anything not matched by REG_CLASS_FROM_LETTER.
7708 * recog.c (asm_operand_ok): Likewise.
7709 (preprocess_constraints, constrain_operands): Likewise.
7710 * regclass.c (record_reg_classes): Likewise.
7711 * reload.c (find_reloads): Likewise.
7712 * reload1.c (maybe_fix_stack_asms): Likewise.
7713 (reload_cse_simplify_operands): Likewise.
7714 * stmt.c (expand_asm_operands): Likewise.
7716 * md.texi: Update constraints documentation.
7717 * tm.texi (EXTRA_CONSTRAINT): Update.
7719 2000-08-28 Daniel Berlin <dberlin@redhat.com>
7721 * dwarf2out.c (DIE_LABEL_PREFIX): Remove leading "__".
7722 (print_die): If we don't know the offset of the
7723 target die, try the symbol. Add a trailing newline.
7724 (reverse_all_dies): New fn.
7725 (dwarf2out_finish): Call it.
7726 (break_out_includes): Reorganize for clarity.
7727 (add_sibling_attributes): Don't call reverse_die_lists.
7728 (output_comp_unit): Rename from output_comdat_comp_unit. Use for
7730 * flags.h: Add flag_eliminate_dwarf2_dups.
7731 * toplev.c (f_options): Support -feliminate-dwarf2-dups.
7733 2000-08-28 Jason Merrill <jason@redhat.com>
7735 * dwarf2.h (DW_TAG_GNU_BINCL, DW_TAG_GNU_EINCL): New tags.
7736 * dwarf2out.c: #include "md5.h".
7737 (DIE_LABEL_PREFIX): New macro.
7738 (dw_val_struct): Add 'external' flag to val_die_ref.
7739 (add_AT_die_ref, AT_ref): Adjust.
7740 (AT_ref_external, set_AT_ref_external): New fns.
7741 (build_abbrev_table): Call set_AT_ref_external.
7742 (value_format): Call AT_ref_external.
7743 (die_struct): Add die_symbol field.
7744 (new_die): Clear it.
7745 (dwarf_tag_name): Handle BINCL/EINCL.
7746 (dwarf2out_start_source_file): Add BINCL DIE.
7747 (dwarf2out_end_source_file): Add EINCL DIE.
7748 (push_new_compile_unit, pop_compile_unit, clear_die_sizes): New fns.
7749 (loc_checksum, attr_checksum, die_checksum): New fns.
7750 (is_type_die, is_comdat_die, is_symbol_die): New fns.
7751 (compute_section_prefix, assign_symbol_names): New fns.
7752 (gen_internal_sym, output_die_symbol, output_symbolic_ref): New fns.
7753 (output_die): Call output_die_symbol and AT_ref_external.
7754 (output_comdat_comp_unit): New fn, split out from...
7755 (dwarf2out_finish): ...here. Also call add_sibling_attributes for
7757 (output_pubnames, output_aranges): Abort if we see entries from
7759 * toplev.h: Declare file_name_nondirectory.
7760 * toplev.c (file_name_nondirectory): New fn, moved from C++ frontend.
7761 (rest_of_type_compilation): Call dwarf2out_decl if at toplevel.
7762 (debug_start_source_file): Call dwarf2out_start_source_file
7763 regardless of debug verbosity.
7764 (debug_end_source_file): Similarly.
7765 * tree.h: Declare clean_symbol_name.
7766 * tree.c (clean_symbol_name): Split out from...
7767 (get_file_function_name_long): ...here.
7769 * dwarf2out.c (new_loc_descr): Use calloc.
7770 (splice_child_die): Remove the die from the right parent.
7771 (gen_struct_or_union_die): Don't add AT_name to a specification DIE.
7773 Mon Aug 28 19:02:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7775 * toplev.c (decode_g_option): Don't give warning for unknown -g
7776 option; return 0 instead.
7777 (main): If -g option is not recognized by front end or
7778 language-independent code, give warning.
7780 2000-08-28 Greg McGary <greg@mcgary.org>
7782 * config/i386/i386-protos.h (ix86_expand_compare): Add extern decl.
7783 * config/i386/i386.c (ix86_expand_compare): Remove `static'.
7784 * config/i386/i386.md (trap, conditional_trap): New insn & expand.
7786 2000-08-27 Greg McGary <greg@mcgary.org>
7788 * cpplex.c (parse_string): Don't look for backslash
7789 before first char in `namebuf'.
7790 * loop.c (strength_reduce): Skip NOTEs.
7792 2000-08-27 Jason Merrill <jason@redhat.com>
7794 * c-decl.c (duplicate_decls): Don't set TREE_STATIC or clear
7795 DECL_EXTERNAL on a local extern. Don't set DECL_IGNORED_P or
7796 TREE_ASM_WRITTEN, either.
7797 (finish_decl): Adjust.
7799 2000-08-28 Philipp Thomas <pthomas@suse.de>
7801 * ABOUT-GCC-NLS: Remove gettext patches from Paul Eggert as
7802 they have been incorporated into the gettext CVS. Change the text to
7803 reflect the current status of NLS. Add instructions for accessing
7804 the gettext CVS and add the patch from Martin v. Loewis.
7806 2000-08-27 Geoff Keating <geoffk@cygnus.com>
7808 * config/rs6000/rs6000.md (movdi_internal64+5): Make SUBREG-safe
7809 by using gen_lowpart_common.
7810 (movdi_internal64+6): Likewise.
7812 2000-08-26 Alexandre Oliva <aoliva@redhat.com>
7814 * tm.texi (FINI_SECTION_ASM_OP, CRT_CALL_STATIC_FUNCTION):
7817 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Remap register
7818 numbers to the ranges used by GDB.
7820 2000-08-25 Richard Henderson <rth@cygnus.com>
7822 * config/ia64/ia64.h (struct machine_function): Add n_varargs.
7823 * config/ia64/ia64.c (ia64_compute_frame_size): Use it.
7824 (ia64_expand_prologue): Likewise.
7825 (ia64_setup_incoming_varargs): Set it. Properly skip the current
7826 argument for stdargs.
7828 2000-08-25 Jason Merrill <jason@redhat.com>
7830 * integrate.c (expand_inline_function): Pull out the original decl.
7832 2000-08-25 Jim Wilson <wilson@cygnus.com>
7834 * cse.c (cse_insn): Don't pass label subtraction to force_const_mem.
7836 * function.c (gen_mem_addressof): Clear MEM_ALIAS_SET if no decl.
7838 2000-08-25 Greg McGary <greg@mcgary.org>
7840 * flow.c (dump_edge_info): Use ARRAY_SIZE.
7841 * config/alpha/alpha.c (alpha_expand_block_move): Likewise.
7843 2000-08-25 Richard Earnshaw <rearnsha@arm.com>
7845 * arm.h (STRUCT_VALUE): Define to 0, not NULL.
7847 Fri Aug 25 12:52:49 EDT 2000 John Wehle (john@feith.com)
7849 * i386.c (ix86_find_base_term): New.
7850 * i386-protos.h (ix86_find_base_term): Prototype.
7851 * i386.h (FIND_BASE_TERM): Define.
7852 * alias.c (find_base_term): Use it.
7853 * tm.texi (FIND_BASE_TERM): Document it.
7855 * alias.c (true_dependence, write_dependence_p): Unchanging
7856 memory can't conflict with non-unchanging memory.
7858 * alias.c (memrefs_conflict_p): A BLKmode reference
7859 to a symbol (or CONST_INT address) always conflicts
7860 with a reference to another symbol.
7862 2000-08-25 Joseph S. Myers <jsm28@cam.ac.uk>
7864 * c-common.c (time_char_table): Don't allow width and flags with
7867 2000-08-25 Jakub Jelinek <jakub@redhat.com>
7869 * config/i386/i386.c (ix86_expand_branch): Treat GE and GEU the same
7870 way as LT and LTU when the second operand has 0 in low word.
7872 2000-08-26 Michael Hayes <mhayes@cygnus.com>
7874 * basic-block.h (struct loop): Rename `exits' field to
7875 `exit_edges'. Add `entry_edges' and `num_entries' fields.
7877 * flow.c (flow_loop_exit_edges_find): Rename from flow_loop_exits_find.
7878 (flow_loop_entry_edges_find): Add.
7879 (flow_edge_list_print): Rename from flow_exits_print.
7880 (flow_loops_find): Call flow_loop_entry_edges_find.
7881 (flow_loop_dump): Dump entry_edges list.
7882 (flow_loops_free): Free entry_edges.
7884 2000-08-26 Michael Hayes <mhayes@cygnus.com>
7886 * loop.c (loop_dump_aux, debug_loop): New functions.
7887 (LOOP_BLOCK_NUM_1, LOOP_BLOCK_NUM, LOOP_INSN_UID): New macros.
7889 * flow.c (flow_loops_dump): Add callback parameter.
7890 (flow_loop_dump): Add callback parameter and call it. Move
7891 loop note debugging code to loop_dump_aux.
7893 * basic-block.h (flow_loop_dump): Add callback parameter
7894 (flow_loops_dump): Likewise.
7896 * toplev.c (rest_of_compilation): Add NULL callback function pointer
7897 to call to flow_loops_dump.
7899 2000-08-26 Michael Hayes <mhayes@cygnus.com>
7901 * loop.c (count_loop_regs_set): Replace start and end arguments
7902 with loop argument. All callers udated.
7904 2000-08-26 Michael Hayes <mhayes@cygnus.com>
7906 * loop.c (constant_high_bytes): Delete.
7908 2000-08-26 Michael Hayes <mhayes@cygnus.com>
7910 * loop.c (prescan_loop): Move checks for NOTE_INSN_LOOP_CONT
7911 and NOTE_INSN_LOOP_VTOP to...
7912 (find_and_verify_loops) ...here.
7914 Fri Aug 25 04:21:13 2000 Alexandre Oliva <aoliva@redhat.com>
7916 * crtstuff.c (CRT_CALL_STATIC_FUNCTION): Define default.
7917 (fini_dummy, init_dummy): Use it.
7919 Fri 25-Aug-2000 08:03:27 BST Neil Booth <NeilB@earthling.net>
7921 * cpplex.c (is_macro_disabled): Caller has already checked
7922 that we're not a preprocessed file.
7924 2000-08-24 Mark Mitchell <mark@codesourcery.com>
7926 * Makefile.in (C_AND_OBJC_OBJS): Remove c-iterate.o.
7927 (c-iterate.o): Remove target.
7928 * gcc/c-common.h (enum rid): Remove RID_ITERATOR.
7929 * gcc/c-decl.c (init_decl_processing): Remove call to init_iterators.
7930 (finish_decl): Don't handle iterators.
7931 (grokdeclarator): Likewise.
7932 * gcc/c-parse.gperf: Remove __iterator and __iterator__ keywords.
7933 * gcc/c-gperf.h: Regenerated.
7934 * gcc/c-iterate.c: Removed.
7935 * gcc/c-lex.c (init_lex): Don't handle iterators.
7936 * gcc/c-parse.in (primary): Remove pop_iterator_stack call.
7937 (compstmt_primary_start): Remove push_iterator_stack call.
7938 (stmt): Don't allow iterator statements. Replace iterator_expand
7939 with expand_expr_stmt.
7940 (all_iter_stmt): Remove.
7941 (all_iter_stmt_simple): Likewise.
7942 (all_iter_stmt_with_decl): Likewise.
7943 * gcc/c-tree.h (ITERATOR_P): Remove.
7944 (ITERATOR_BOUND_P): Likewise.
7945 (init_iterators): Remove declaration.
7946 (iterator_expand): Likewise.
7947 (iterator_for_loop_start): Likewise.
7948 (iterator_for_loop_end): Likewise.
7949 (iterator_for_loop_record): Likewise.
7950 (push_iterator_stack): Likewise.
7951 (pop_iterator_stack): Likewise.
7952 * gcc/c-typeck.c (decl_constant_value): Don't check ITERATOR_P.
7953 (readonly_warning): Likewise.
7954 * gcc/tree.h (ITERATOR_BOUND_P): Don't mention it.
7956 2000-08-24 Jim Wilson <wilson@cygnus.com>
7958 * c-common.c (decl_attributes, case A_ALIGN): Revert last change.
7959 Copy type in a TYPE_DECL, just like pushdecl does.
7961 2000-08-24 Richard Henderson <rth@cygnus.com>
7963 * toplev.c (main): Enable flag_reorder_blocks at -O2.
7965 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
7967 * ggc-page.c (alloc_page): If HAVE_MMAP_ANYWHERE and we're
7968 asked for one page, allocate GGC_QUIRE_SIZE of them and put
7969 the extras on the free list.
7970 (release_pages): Clean up.
7971 (ggc_set_mark): Don't adjust G.allocated here...
7972 (sweep_pages): ... do it here.
7974 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
7976 * cppfiles.c (read_include_file): Rearrange initializations.
7978 2000-08-24 Richard Henderson <rth@cygnus.com>
7980 * stmt.c (expand_asm_operands): Treat EXTRA_CONSTRAINT like g or X.
7982 * config/ia64/ia64-protos.h: Update.
7983 * config/ia64/ia64.c (gr_register_operand): New.
7984 (fr_register_operand, grfr_register_operand): New.
7985 (gr_nonimmediate_operand, grfr_nonimmediate_operand): New.
7986 (grfr_reg_or_8bit_operand): New.
7987 (gr_reg_or_0_operand): Rename from reg_or_0_operand and
7988 use gr_register_operand.
7989 (gr_reg_or_5bit_operand, gr_reg_or_6bit_operand): Likewise.
7990 (gr_reg_or_8bit_operand, gr_reg_or_8bit_adjusted_operand): Likewise.
7991 (gr_reg_or_8bit_and_adjusted_operand): Likewise.
7992 (gr_reg_or_14bit_operand, gr_reg_or_22bit_operand): Likewise.
7993 (fr_reg_or_fp01_operand): Likewise.
7994 (not_postinc_memory_operand): New.
7995 (ia64_split_timode): Remove unused variables.
7996 (rtx_needs_barrier): Check arguments to cmpxchg.
7997 (builtin_description): Remove.
7998 (bdesc_2argsi, bdesc_2argdi): Remove.
7999 (ia64_init_builtins): Declare all builtins directly.
8000 (ia64_expand_fetch_and_op): Rewrite to be called from
8001 ia64_expand_builtin directly. Use expand_binop and co.
8002 (ia64_expand_op_and_fetch): Likewise.
8003 (ia64_expand_compare_and_swap): Likewise.
8004 (ia64_expand_binop_builtin): Remove.
8005 (ia64_expand_lock_test_and_set): New.
8006 (ia64_expand_lock_release): New.
8007 (ia64_expand_builtin): Use them.
8008 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_S): New.
8009 (EXTRA_CONSTRAINT): Use it.
8010 (PREDICATE_CODES): Update.
8011 * config/ia64/ia64.md (*): Use gr_register_operand and co.
8012 (mf): Indicate that we set memory as well as use it.
8013 (fetchadd_acq_si): Show memory being modified as well.
8014 (fetchadd_acq_di, cmpxchg_acq_si, cmpxchg_acq_di): Likewise.
8015 (val_compare_and_swap_si, val_compare_and_swap_di): Remove.
8016 (lock_test_and_set_si, lock_test_and_set_di): Remove.
8017 (fetch_and_add_si, fetch_and_sub_si, fetch_and_or_si): Remove.
8018 (fetch_and_and_si, fetch_and_xor_si, fetch_and_nand_si): Remove.
8019 (fetch_and_add_di, fetch_and_sub_di, fetch_and_or_di): Remove.
8020 (fetch_and_and_di, fetch_and_xor_di, fetch_and_nand_di): Remove.
8021 (add_and_fetch_di, sub_and_fetch_di, or_and_fetch_di): Remove.
8022 (and_and_fetch_di, xor_and_fetch_di, nand_and_fetch_di): Remove.
8023 (add_and_fetch_si, sub_and_fetch_si, or_and_fetch_si): Remove.
8024 (and_and_fetch_si, xor_and_fetch_si, nand_and_fetch_si): Remove.
8025 * config/ia64/ia64intrin.h (*): Cast result to the appropriate
8026 return type. Pretty print definitions.
8028 2000-08-24 Jim Wilson <wilson@cygnus.com>
8030 * config/ia64/ia64.md (movdi): Don't call gen_movdi_symbolic if
8031 we have a SYMBOL_REF with SYMBOL_REF_FLAG set.
8033 2000-08-24 Jason Merrill <jason@redhat.com>
8035 * dwarf2out.c (AT_flag, AT_int, AT_unsigned, AT_string, AT_ref,
8036 AT_loc, AT_addr, AT_lbl): Abort on unsuitable input.
8037 (get_AT_low_pc, get_AT_hi_pc, get_AT_string, get_AT_flag,
8038 get_AT_unsigned, get_AT_ref): Don't call them if get_AT fails.
8040 2000-08-24 Greg McGary <greg@mcgary.org>
8042 * optabs.c (init_optabs): Initialize fixtab, fixtrunctab, floattab,
8043 and extendtab within their proper array boundaries.
8044 * emit-rtl.c (init_emit_once): Pass `const_tiny_rtx' with bounds
8045 for the entire array.
8047 * config/arm/arm.c (arm_override_options): Use ARRAY_SIZE.
8048 * config/alpha/alpha.c (alpha_lookup_xfloating_lib_func): Likewise.
8049 * config/avr/avr.c (order_regs_for_local_alloc): Likewise.
8050 * config/fr30/fr30.c (fr30_print_operand): Likewise.
8051 * config/i386/dgux.c (output_options): Likewise.
8052 * config/i386/dgux.h (ASM_FILE_START): Likewise.
8053 * config/m88k/m88k.c (output_options): Likewise.
8054 * config/m88k/m88k.h (ASM_FILE_START): Likewise.
8055 * config/mcore/mcore.c (mcore_output_inline_const_forced,
8056 layout_mcore_frame, handle_structs_in_regs): Likewise.
8057 * config/mips/mips.c (output_block_move): Likewise.
8058 * config/rs6000/rs6000.c (rs6000_override_options,
8059 rs6000_file_start): Likewise.
8060 * config/sparc/sparc.c (sparc_add_gc_roots): Likewise.
8061 * fixinc/fixfixes.c (FIX_TABLE_CT): Likewise.
8062 * fixinc/fixtests.c (TEST_TABLE_CT): Likewise.
8063 * builtins.c (expand_builtin_setjmp): Likewise.
8064 * expr.c (safe_from_p): Likewise.
8065 * flow.c (life_analysis): Likewise.
8066 * fold-const.c (size_int_type_wide): Likewise.
8067 * gcc.c (translate_options, init_spec, set_spec, main): Likewise.
8068 * genattrtab.c (make_length_attrs): Likewise.
8069 * genopinit.c (gen_insn): Likewise.
8070 * genrecog.c (NUM_KNOWN_PREDS, NUM_SPECIAL_MODE_PREDS): Likewise.
8071 * global.c (global_alloc): Likewise.
8072 * local-alloc.c (find_free_reg): Likewise.
8073 * mips-tdump.c (print_symbol): Likewise.
8074 * mips-tfile.c (parse_def, parse_input): Likewise.
8075 * reload1.c (NUM_ELIMINABLE_REGS): Likewise.
8076 * stmt.c (expand_nl_goto_receiver): Likewise.
8077 * stor-layout.c (set_sizetype): Likewise.
8078 * varasm.c (decode_reg_name): Likewise.
8079 * toplev.c (decode_f_option, decode_W_option,
8080 set_target_switch, print_switch_values): Likewise.
8081 (NUM_ELEM): Remove macro.
8082 (display_help, main): s/NUM_ELEM/ARRAY_SIZE/
8084 2000-08-24 Greg McGary <greg@mcgary.org>
8086 * tree.h (enum tree_index): New member `TI_MAIN_IDENTIFIER'.
8087 (MAIN_NAME_P, main_identifier_node): New macros.
8088 * c-common.c (c_common_nodes_and_builtins): Init main_identifier_node.
8089 * c-decl.c (start_decl, grokdeclarator, start_function,
8090 store_parm_decls, finish_function): Use MAIN_NAME_P.
8091 * config/avr/avr.c (function_prologue, function_epilogue): Likewise.
8092 * config/i386/cygwin.h (SUBTARGET_PROLOGUE): Likewise.
8093 * config/i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
8094 * config/pdp11/pdp11.c (output_function_prologue): Likewise.
8096 2000-08-24 Greg McGary <greg@mcgary.org>
8098 * cppfiles.c (actual_directory): Don't write beyond `dir'
8099 when it contains "".
8100 * real.c (asctoeg): Stay within bounds of etens[][].
8102 2000-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8104 * dependence.c (dependence_string, direction_string,
8105 dump_one_node, dump_node_dependence): Hide unused identifiers.
8106 (get_low_bound, normalize_coefficients): Match definition to
8108 (get_one_coefficient): Initialize variables `value0_is_idx' and
8110 (ziv_test, gcd_test): Mark parameters with ATTRIBUTE_UNUSED.
8111 (ziv_test): Delete variable `idx', use parameter `sub' instead.
8112 (direction_merge): Avoid automatic aggregate initialization.
8113 (have_dependence_p): Use `src' not `dest' to set `src_idx'.
8114 Initialize variables `dest_idx' and `src_idx'.
8115 (end_dependence_analysis): Avoid C89 style function definition.
8117 2000-08-24 Joseph S. Myers <jsm28@cam.ac.uk>
8119 * c-common.c (time_char_table): Don't allow width with %F.
8120 (check_format_info): Don't allow "Z" length with scanf.
8122 2000-08-24 Gabriel Dos Reis <gdr@codesourcery.com>
8124 * diagnostic.c (finish_diagnostic): Define.
8125 (output_do_printf): Use wrap_text instead of output_add_string.
8126 (default_print_error_function): Avoid embedded '\n'.
8128 * diagnostic.h (flush_diagnostic_buffer): Declare.
8130 2000-08-23 Alexandre Oliva <aoliva@redhat.com>
8132 * dependence.c: Replace `[][]' with `[][MAX_SUBSCRIPTS]'.
8134 2000-08-23 Hans-Peter Nilsson <hp@axis.com>
8136 * Makefile.in (GCC_PASSES): Add specs.
8138 2000-08-23 Jim Wilson <wilson@cygnus.com>
8140 * frame.h (IA64_UNW_EHANDLER, IA64_UNW_UHANDLER): New.
8141 * config/ia64/frame-ia64.c (__get_personality): Return zero if neither
8142 EHANDLER nor UHANDLER bit is set.
8143 (__get_except_table): Likewise.
8145 2000-08-23 Nick Clifton <nickc@redhat.com>
8147 * config/arm/lib1funcs.asm: Replace upper case condition codes
8148 with lower case versions.
8150 * config/arm/arm.h (STRUCT_VALUE): Define.
8151 (STRUCT_VALUE_REGNUM): Delete.
8153 2000-08-23 Zack Weinberg <zack@wolery.cumb.org>
8155 * cpphash.h (IN_I): New flag for directive table.
8156 * cpplib.c (DIRECTIVE_TABLE): Mark #define, #undef, #ident, and
8158 (_cpp_check_directive): If -fpreprocessed, execute directives
8159 marked with IN_I. Issue no warnings in this case.
8160 * cpplex.c (_cpp_get_token): Expand no macros if -fpreprocessed.
8162 2000-08-23 Joseph S. Myers <jsm28@cam.ac.uk>
8164 * c-common.c (print_char_table): Allow 'I' flag with %d, %i and
8166 (check_format_info): Support printf 'I' flag; warn about it with
8169 2000-08-23 Richard Earnshaw (rearnsha@arm.com)
8171 * arm.c (arm_expand_prologue): Ensure that the stack-adjustment
8172 barrier can't be ignored by the alias analysis code.
8174 2000-08-12 Eli Zaretskii <eliz@is.elta.co.il>
8176 * fixinc/inclhack.def (sysv68_string): Fix the Sed script so it
8177 works inside fixincl.
8179 Wed Aug 23 04:55:48 2000 Alexandre Oliva <aoliva@redhat.com>
8181 * simplify-rtx.c (simplify_rtx): Don't pass VOIDmode to
8182 simplify_relational_operation() unless both operands are of
8184 * cse.c (fold_rtx): Likewise.
8186 Tue Aug 22 23:53:27 EDT 2000 John Wehle (john@feith.com)
8188 * rtlanal.c (rtx_unstable_p): The pic register is stable
8189 (within one function) and the actual rtx should be used
8190 when checking the registers.
8191 (rtx_addr_can_trap_p): Pic memory addresses can't trap.
8193 * alias.c (true_dependence, write_dependence_p): Fix
8194 bug in previous patch.
8196 * i386.c (ix86_GOT_alias_set): New.
8197 (legitimize_pic_address): Use it.
8199 * rtlanal.c (rtx_unstable_p): An unchanging MEM is
8200 only stable if its address is stable.
8201 (rtx_varies_p): An unchanging MEM can't vary if
8202 its address doesn't vary.
8204 2000-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8206 * c-parse.in (unop +): Restrict -Wtraditional warnings to user code.
8208 2000-08-22 J. David Anglin <dave@hiauly1.hia.nrc.ca>
8210 * vax.h (ASM_SPEC): Pass `-J' to assembler.
8211 * x-vax-gcc: New file for bootstrapping with gcc.
8212 * x-vax: Use X_CFLAGS rather than X_CPPFLAGS to pass `-J'.
8213 * configure.in: Use x-vax-gcc with gcc.
8214 * configure: Rebuilt.
8216 Tue Aug 22 21:21:05 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8218 * toplev.c (rest_of_compilation): Rebuild label notes after
8219 post-reload splitting pass if new labels have been created.
8221 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
8223 * diagnostic.h (output_buffer_state): New macro.
8224 * diagnostic.c (diagnostic_for_decl, sorry,
8225 default_print_error_function, output_do_verbatim,
8226 report_diagnostic, report_problematic_module): Use it.
8228 (output_format): Use wrap_text instead of maybe_wrap_text.
8230 2000-08-22 Nick Clifton <nickc@redhat.com>
8232 * config/arm/lib1funcs.asm (ARM_DIV_MOD_BODY): New macro.
8233 Common code for ARM divide and modulus functions.
8234 (THUMB_DIV_MOD_BODY): New macro. Thumb equivalent of
8236 (FUNC_END): New macro: Common code at the end of the division and
8238 (THUMB_FUNCTION_START): New macro: Common code at the start of
8240 (__divsi3, __udivsi3, __modsi3, __umodsi3): Use new macros.
8242 Tue Aug 22 20:34:52 2000 Kaz Kojima <kkojima@rr.iij4u.or.jp>
8244 * config/sh/sh.md (cmpeqdi_t splitter): Fix a reverse testing.
8246 * config/sh/sh.c (prepare_scc_operands): Apply force_reg to
8247 sh_compare_op1 when the mode is DImode and sh_compare_op1 isn't
8250 2000-08-22 Nick Clifton <nickc@redhat.com>
8252 * config/arm/lib1funcs.asm (__umodsi3): Before performing any
8253 restorative additions, test for bottom bits of IP being set,
8254 rather than relying upon the RORs not matching.
8257 2000-08-22 David Edelsohn <edelsohn@gnu.org>
8259 * aix.h (ASM_DECLARE_FUNCTION_NAME): Call named_section() or
8260 text_section() as appropriate instead of emitting text csect
8262 (TEXT_SECTION_ASM_OP): Only require default 32-bit alignment.
8263 (UNIQUE_SECTION): Define macro.
8264 (ASM_OUTPUT_SECTION_NAME): Define macro.
8265 * rs6000.c (rs6000_override_options): Disable -ffunction-sections
8266 on AIX if debugging and -fdata-sections always.
8268 2000-08-22 Steven King <sxking@uswest.net>
8270 * config/float-i386.h (LDBL_EPSILON): Remove __convert_long_double
8272 (LDBL_MAX): Same here.
8274 2000-08-22 Richard Henderson <rth@cygnus.com>
8276 * flow.c (tidy_fallthru_edge): Update b->end properly.
8278 2000-08-22 Stan Cox <scox@redhat.com>
8280 * Makefile.in (OBJS): Add dependence.o.
8281 * dependence.c: New file.
8283 2000-08-22 Alexandre Oliva <aoliva@redhat.com>, John David Anglin <dave.anglin@nrc.ca>
8285 * calls.c (check_sibcall_argument_overlap_1): Adjust for
8287 (check_sibcall_argument_overlap): Likewise.
8289 2000-08-22 Alexandre Oliva <aoliva@redhat.com>
8291 * invoke.texi (SH Options): Document -m4-nofpu,
8292 -m4-single-only, -m4-single, -m4, -mbigtable, -mfmovd,
8293 -mhitachi, -mnomacsave, -misize, -mpadstruct, -mspace.
8295 2000-08-22 Joseph S. Myers <jsm28@cam.ac.uk>
8297 * c-common.c (check_format_info): Give the 'some locales' warning
8298 for strftime %Ey rather than the unconditional 'only last 2 digits
8301 2000-08-22 Richard Henderson <rth@cygnus.com>
8303 * alias.c (init_alias_analysis): Do not register
8304 struct_value_incoming_rtx or static_chain_rtx as pointing
8307 Tue Aug 22 01:44:43 2000 Jeffrey A Law (law@cygnus.com)
8309 * protoize.c (munge_compile_params): Fix typo and formatting buglets.
8311 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
8313 * diagnostic.h (report_problematic_module): Declare.
8314 * diagnostic.c (report_problematic_module): New function.
8315 (report_error_function): Tweak.
8317 Tue Aug 22 02:31:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8319 * stmt.c (expand_goto_internal, fixup_gotos): Only check
8320 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
8322 2000-08-21 Richard Henderson <rth@cygnus.com>
8324 * flow.c (calculate_global_regs_live): Mark frame pointer live
8325 everywhere before reload.
8327 2000-08-21 Jim Wilson <wilson@cygnus.com>
8329 * real.c (ereal_from_int, ereal_from_uint, significand_size): Handle
8330 INTEL_EXTENDED_IEEE_FORMAT.
8331 (toe64): Delete INTEL_EXTENDED_IEEE_FORMAT support. Unconditionally
8332 clear last two bytes of output FP value.
8334 2000-08-21 Graham Stott <grahams@cygnus.co.uk>
8336 * config/ia64/ia64.h (REDO_SECTION_INFO_P): Change decl to DECL.
8338 2000-08-21 Jakub Jelinek <jakub@redhat.com>
8340 * unroll.c (loop_find_equiv_value): If ret is modified between
8341 insn and loop_start, ret might not be equivalent to reg.
8343 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
8345 * c-common.c (init_dollar_format_checking,
8346 maybe_read_dollar_number, finish_dollar_format_checking): New
8348 (dollar_arguments_used, dollar_arguments_count,
8349 dollar_first_arg_num, dollar_max_arg_used, dollar_format_warned):
8351 (check_format_info): Support $ formats for scanf and printf width
8352 and precision. Always increment format_chars to advance past the
8353 '*' of precision, not just when the format parameters are
8356 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8358 * mips.c (block_move_loop, expand_block_move,
8359 function_arg_partial_nregs, save_restore_insns, function_prologue,
8360 mips_expand_prologue, RA_MASK): Avoid using the `U' integer
8362 (function_arg_advance, function_arg): Match argument to format
8365 2000-08-21 Nix <nix@esperi.demon.co.uk>
8367 * gcc.c (do_spec_1): Implement %j spec flag.
8368 Remove dead comment.
8370 * gcc.texi (The Configuration File): Document HOST_BIT_BUCKET.
8371 * system.h (HOST_BIT_BUCKET): Default to "/dev/null".
8372 * config/i386/xm-dos.h (HOST_BIT_BUCKET): Define as "NUL".
8373 * config/i386/xm-os2.h, config/winnt/winnt.h: Likewise.
8375 * protoize.c (munge_compile_params): Use HOST_BIT_BUCKET (if
8376 writable) instead of hardcoded value.
8378 * toplev.c (compile_file): Output to a file even if -fsyntax-only.
8380 * gcc.c, config/i386/xm-dos.h, config/i386/xm-os2.h: Kill
8383 * gcc.c (cc1_options): Do not process -o or run the assembler if
8385 * objc/lang-spec.h: Likewise.
8387 2000-08-21 Eli Zaretskii <eliz@is.elta.co.il>
8389 * fixinc/fixincl.c (fix_with_system): Pipe the output of
8390 "external" fixes through `cat', to avoid truncating the input
8391 file by redirection.
8393 2000-08-21 Jakub Jelinek <jakub@redhat.com>
8395 * config/i386/i386.md (lea_general_1): Copy insn condition to split
8397 (lea_general_2, lea_general_3): Likewise.
8399 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8401 * c-decl.c (duplicate_decls, define_label): Restrict -Wtraditional
8402 warnings to user code.
8404 * c-lex.c (readescape, yylex): Likewise.
8406 * c-typeck.c (store_init_value, process_init_element): Likewise
8407 (c_expand_start_case): Format.
8409 2000-08-18 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
8411 * mips/linux.h (LINK_SPEC): Use %(endian_spec).
8413 * mips/mips.h: Change LINKER_ENDIAN_SPEC to ENDIAN_SPEC
8414 and linker_endian_spec to endian_spec.
8415 (ENDIAN_SPEC): Add %{EB} and %{EL}.
8416 (LINK_SPEC): Remove %{EB} and %{EL}.
8417 (ASM_SPEC): Likewise. Use %(endian_spec).
8419 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
8421 * c-tree.h (flag_hosted): Move declaration from here...
8422 * c-common.h (flag_hosted): ... to here.
8423 (flag_noniso_default_format_attributes): New declaration.
8424 * c-decl.c (flag_noniso_default_format_attributes): New variable.
8425 (c_decode_option): Set it appropriately for options choosing
8426 language standard variant.
8427 * c-common.c (init_function_format_info): Only provide default
8428 format attributes if flag_hosted. Only provide the gettext
8429 formats if flag_noniso_default_format_attributes. Update
8431 (check_format_info): Disable treatment of %a as a scanf flag in
8434 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
8436 * c-common.c (scan_char_table): Add 'w' to flags for all formats
8438 (check_format_info): Set 'wide' for scanf format widths. Warn for
8439 a zero scanf width. Make the check for writing into a constant
8440 object at the first level of indirection; at later levels, warn if
8441 any type qualifiers are encountered.
8443 Mon Aug 21 07:41:12 2000 Jeffrey A Law (law@cygnus.com)
8445 * reload.c (reload_inner_reg_of_subreg): New function broken out of
8447 (push_reload): Use reload_inner_reg_of_subreg.
8448 (combine_reloads): Do not combine reloads if the input reload
8449 is a SUBREG in which the inner part will need reloading.
8451 * global.c (global_alloc): Avoid passing dumpfile argument to
8453 * toplev.c (rest_of_compilation): Likewise.
8454 * reload.h (reload): Remove dumpfile argument. Callers changed.
8455 (debug_reload, debug_reload_to_stream): Move prototypes here.
8456 * rtl.h (reload): Remove dumpfile argument.
8457 * reload.c (debug_reload): Remove prototype.
8458 (debug_reload_to_stream): Likewise.
8459 * reload1.c: Avoid passing dumpfile around, rely on rtl_dump_file
8462 2000-08-21 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
8464 * diagnostic.c (context_as_prefix): Export.
8465 (need_error_newline): Remove.
8466 (lang_diagnostic_starter, lang_diagnostic_finalizer): New objects.
8467 (error_module_changed, record_last_error_module,
8468 error_function_changed, record_last_error_function): New functions.
8469 (initialize_diagnostics): Default intialize
8470 lang_diagnostic_starter, lang_diagnostic_finalizer.
8471 (init_output_buffer): Tweak.
8472 (file_name_as_prefix): New function.
8473 (announce_function, default_print_error_function,
8474 report_error_function, set_diagnostic_context): Tweak.
8476 2000-08-21 Richard Earnshaw <rearnsha@arm.com>
8478 * flow.c (init_propagate_block_info): Handle SUBREG in a jump
8479 condition expression.
8481 2000-08-20 Richard Henderson <rth@cygnus.com>
8483 * flow.c (merge_blocks_nomove): Don't seek back past the bb note.
8485 2000-08-20 Zack Weinberg <zack@wolery.cumb.org>
8487 * cppinit.c (cpp_init): Set global flag when called.
8488 (cpp_reader_init): Bomb out if cpp_init hasn't been called.
8490 Sun Aug 20 01:41:35 2000 Dennis Chernoivanov <cdi@sparc.spb.su>
8492 * cpplex.c (cpp_scan_buffer): Move `output_line_command' just
8493 before `process_directive' so that newlines won't be missed
8495 (cpp_printf): Increment `print->lineno' when newline is emitted.
8497 * cppmain.c (cb_ident): Likewise.
8498 (cb_define): Likewise.
8499 (cb_undef): Likewise.
8500 (cb_include): Likewise.
8501 (cb_def_pragma): Likewise.
8502 (dump_macros_helper): Likewise.
8504 2000-08-20 Richard Henderson <rth@cygnus.com>
8506 * config/ia64/ia64.c (emit_insn_group_barriers): Stop if ar.lc
8507 assigned before a loop.
8509 * config/ia64/ia64.md (ashlsi3): Zero extend the shift count.
8510 (ashrsi3, lshrsi3): Likewise.
8512 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
8514 * c-lang.c: #include diagnostic.h
8515 (c_tree_printer): New function.
8516 (lang_init): Initialize lang_printer.
8518 * Makefile.in (c-lang.o): Depends on diagnostic.h
8520 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
8522 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic.
8524 * diagnostic.c (default_diagnostic_starter,
8525 default_diagnostic_finalizer): New functions.
8526 (diagnostic_for_asm, diagnostic_for_decl): Tweak.
8527 (pedwarn, pedwarn_with_file_and_line, error,
8528 error_with_file_and_line, fatal, warning,
8529 warning_with_file_and_line): Adjust call to report_diagnostic.
8530 (report_diagnostic): Rework.
8531 (set_diagnostic_context): New function.
8533 * diagnostic.h (struct diagnostic_context): New data structure.
8534 (diagnostic_message, diagnostic_argument_list,
8535 diagnostic_file_location, diagnostic_line_location,
8536 diagnostic_is_warning, diagnostic_starter, diagnostic_finalizer,
8537 diagnostic_finalizer, diagnostic_auxiliary_data): New macros.
8538 (set_diagnostic_context): Declare.
8539 (report_diagnostic): Change prototype.
8541 Sun 20-Aug-2000 09:25:45 BST Neil Booth <NeilB@earthling.net>
8543 * fix-header.c (main): Initialize cpplib.
8545 2000-08-19 Michael Meissner <meissner@redhat.com>
8547 * ifcvt.c (find_if_block): Do not assume that a THEN block has any
8548 instructions in it before checking for indirect jumps.
8550 * ifcvt.c (find_if_block): Do not consider a THEN block that ends
8551 in a indirect jump as a potential for conditional execution.
8553 * d30v.h (d30v_init_expanders): Don't declare here.
8554 * d30v-protos.h (d30v_init_expanders): Declare here with a valid
8557 Sat 19-Aug-2000 21:11:45 BST Neil Booth <NeilB@earthling.net>
8559 * cpp.texi: Add @section for assertions.
8561 Sat Aug 19 12:37:08 EDT 2000 John Wehle (john@feith.com)
8563 * loop.c (scan_loop): Use CONST_CALL_P instead of
8564 checking for REG_LIBCALL / REG_RETVAL.
8566 Sat Aug 19 09:18:47 2000 Jeffrey A Law (law@cygnus.com)
8568 * reload1.c (reload_as_needed): Accept dumpfile argument,
8569 pass it to emit_reload_insns.
8570 (emit_reload_insns): Add new dumpfile argument. If non-null
8571 then dump the reloads for each insn into the dumpfile.
8572 (reload): Pass dumpfile to reload_as_needed.
8574 * invoke.texi: Clean up linux-gnu vs linux comments.
8576 2000-08-19 Richard Henderson <rth@cygnus.com>
8578 * config/ia64/ia64.c (reg_or_5bit_operand): New.
8579 (ia64_depz_field_mask): New.
8580 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_R): New.
8581 (PREDICATE_CODES): Update.
8582 * config/ia64/ia64.md: Update commentary.
8583 (depz_internal): New.
8584 (ashlsi3): Implement directly.
8585 (ashrsi3, lshrsi3): Simplify; rely on extv and extzv for constants.
8586 (ashldi3): Use shladd.
8587 * config/ia64/ia64-protos.h: Update.
8589 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
8591 * toplev.c (independent_decode_option): Always process -g.
8592 Remove third argument, now unused. Adjust caller to match.
8594 2000-08-18 Richard Henderson <rth@cygnus.com>
8596 * combine.c (make_compound_operation): Break after creating
8599 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
8601 * cpplib.c (cpp_register_pragma_space): Just return if the
8602 namespace is already registered.
8604 2000-08-18 Ray Essick <essick@ddna.labs.mot.com> & Nick Clifton <nickc@redhat.com>
8606 * config/mcore/mcore.md (rotlsi3): Allow allow rotations by a
8607 constant amount. Do not generate ROTL instruction.
8609 Fri Aug 18 16:22:20 2000 Alexandre Oliva <aoliva@redhat.com>
8611 * config/sh/elf.h: Do not include sh/sh.h.
8612 * config/sh/rtems.h: Likewise.
8613 * config/sh/rtemself.h: Do not include sh/elf.h.
8614 * configure.in: Get them included with `tm_file's.
8615 * configure: Rebuilt.
8617 * config/sh/sh.md (fpu_switch0, fpu_switch1): Simplify.
8618 * config/sh/sh.c (fpscr_set_from_mem): Use them.
8620 Fri Aug 18 14:23:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8622 * stor-layout.c (compute_record_type): Don't use mode of single
8623 field as mode of record if not integer mode of same type.
8625 * regmove.c (perhaps_ends_bb_p): New function.
8626 (optimize_reg_copy_1, optimize_reg_copy_2): Call it.
8627 (optimize_reg_copy_3, fixup_match_2, regmove_optimize): Likewise.
8628 (fixup_match_1): Likewise.
8629 (fixup_match_1, combine_stack_adjustments_for_block): Add casts to
8630 avoid signed/unsigned warnings.
8632 * function.c (fixup_var_refs_1, case MEM): Update CODE after
8635 Fri 18-Aug-2000 18:33:45 BST Neil Booth <NeilB@earthling.net>
8637 * cpphash.h: Use HAVE_DESIGNATED_INITIALIZERS.
8638 (_cpp_trigraph_map): Declaration moved from cpplex.c
8640 * cppinit.c: Define _cpp_trigraph_map. Use UCHAR_MAX + 1
8641 instead of 256. Use consistent test for designated initializers.
8642 (cpp_init): Initialize trigraph_map.
8643 (initialize_standard_includes, parse_option): Use memcmp
8646 * cpplex.c (init_trigraph_map): Remove.
8647 (trigraph_ok, trigraph_replace, lex_line): Refer to
8650 * cpplib.c (str_match, WARNING, ERROR, ICE): Delete.
8651 (do_unassert): Remove unused "next" local.
8653 * system.h (HAVE_DESIGNATED_INITIALIZERS): New prototype.
8655 2000-08-18 Emmanuel Marty <emarty@suntech.fr>
8657 * arm/lib1funcs.asm (_umodsi3 THUMB VARIANT): Restore deleted return
8660 2000-08-17 Richard Henderson <rth@cygnus.com>
8662 * config/ia64/ia64.c (spill_restore_mem): Handle emitting
8663 the first insn in a sequence.
8665 Thu Aug 17 22:40:05 EDT 2000 John Wehle (john@feith.com)
8667 * alias.c (true_dependence, write_dependence_p): A read
8668 involving a label_ref or the constant pool doesn't create
8671 * rtl.h (unchanging): Improve documentation.
8673 2000-08-17 Rodney Brown <RodneyBrown@mynd.com>
8675 * cse.c (insert_regs): Remove unused `regno'.
8677 2000-08-17 Neil Booth <NeilB@earthling.net>
8679 * (cppinit.c) merge_include_chains: Use remove_dup_dir,
8680 remove_dup_dirs. If qtail == brack, remove brack not
8682 (remove_dup_dir, remove_dup_dirs): New functions.
8684 2000-08-17 Neil Booth <NeilB@earthling.net>
8686 * cppinit.c (cpp_cleanup): Free include dir chains.
8687 * cpplib.c (do_undef): Let _cpp_free_definition make the node void.
8688 (do_unassert): Free the assert with _cpp_free_definition.
8689 * cppmacro.c (_cpp_free_definition): Free memory allocated for
8690 assertions. Make the node a T_VOID node.
8692 2000-08-17 Neil Booth <NeilB@earthling.net>
8694 * cppinit.c (path_include, append_include_chain):
8695 Remove 2nd parameter (struct cpp_pending *).
8696 (path_include, initialize_standard_includes, cpp_handle_option):
8697 Update callers appropriately.
8698 (cpp_handle_option): Use pend.
8700 2000-08-17 Neil Booth <NeilB@earthling.net>
8702 * cppinit.c (sort_options): Remove, put functionality in
8705 (initialize_builtins): Free memory.
8706 (cpp_start_read): Move init_IStable to cpp_init.
8708 * cpplib.h (cpp_init): New prototype.
8709 * cppmain.c (main): Call cpp_init.
8711 Thu Aug 17 13:20:32 EDT 2000 John Wehle (john@feith.com)
8713 * rtlanal.c (rtx_unstable_p): Use CONSTANT_P.
8714 (rtx_unstable_p, rtx_varies_p): Process vectors.
8716 2000-08-16 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
8718 * config/sh/lib1funcs.asm (GLOBAL): Define. Use for all
8719 references to GLOBAL symbols. Use LOCAL where appropriate.
8721 2000-08-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8723 * configure.in (*-ibm-aix4.[12]*): Delete test for gnu ld. Always
8724 use t-aix41 when host == target.
8726 2000-08-16 Richard Henderson <rth@cygnus.com>
8728 * reload.c (push_secondary_reload): Revert last change.
8729 If we use a reload_in/out pattern, make the when the same
8730 as the primary reload.
8731 (find_reloads): Likewise.
8733 2000-08-16 Manfred Hollstein <manfredh@redhat.com>
8735 * configure.in (libstdcxx-v3): Fix test.
8736 * configure: Regenerate.
8738 Wed Aug 16 08:10:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8740 * calls.c (calls_function_1, expand_call): Only test
8741 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
8742 * function.c (thread_prologue_and_epilogue_insns): Likewise.
8744 2000-08-16 Richard Henderson <rth@cygnus.com>
8746 * combine.c (simplify_shift_const): Revert previous two
8747 changes. If SHIFT_COUNT_TRUNCATED, crop the shift count
8748 before the main loop.
8750 2000-08-15 Richard Henderson <rth@cygnus.com>
8752 * combine.c (simplify_shift_const): Bound shift count when
8755 Tue Aug 15 17:33:05 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8757 * calls.c (ECF_SP_DEPRESSED): New macro.
8758 (calls_function_1): Treat calling sp-depressed function as alloca.
8759 (emit_call_1): Don't adjust SP if calling sp-depressed function.
8760 (expand_call): Set ECF_SP_DEPRESSED if TYPE_RETURNS_STACK_DEPRESSED.
8761 If sp-depressed, ensure block saves and restores SP.
8762 * fold-const.c (extract_muldiv): Only check TYPE_IS_SIZETYPE
8764 * function.c (keep_stack_depressed): New function.
8765 (thread_prologue_and_epilogue_insns): Call it.
8766 * print-tree.c (print_node): Use HOST_WIDE_INT_PRINT_UNSIGNED
8767 to print DECL_OFFSET_ALIGN.
8768 Print no-force-blk and transparent-union flags properly.
8769 * stmt.c (expand_goto_internal): Don't restore stack if last block
8770 and function returns with sp depressed.
8771 (fixup_gotos): Likewise.
8772 (save_stack_pointer): New function, from code in expand_decl.
8773 (expand_decl): Call new function.
8774 * tree.h (TYPE_IS_SIZETYPE): Call INTEGER_TYPE_CHECK.
8775 (TYPE_RETURNS_STACK_DEPRESSED): New macro.
8776 (save_stack_pointer): New declaration.
8778 * diagnostic.c (fatal_function): New variable.
8779 (set_fatal_function): New function.
8781 * diagnostic.h (set_fatal_function): New declaration.
8783 2000-08-15 William Cohen <wcohen@redhat.com>
8785 * config/sh/elf.h (DWARF2_DEBUGGING_INFO): Defined.
8786 (PREFERRED_DEBUGGING_TYPE): Set to dwarf2 info.
8787 (DWARF2_ASM_LINE_DEBUG_INFO): Defined.
8789 2000-08-15 Richard Henderson <rth@cygnus.com>
8791 * flow.c (mark_used_reg): Set reg_cond_reg appropriately.
8793 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
8795 * arm.c (arm_function_ok_for_sibcall): New function.
8796 * arm.h (FUNCTION_OK_FOR_SIBCALL): Define.
8797 * arm.md (call expanders): Don't check here for calls that can't
8800 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
8802 * arm.md (splits generating cond_exec): Disable.
8804 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
8806 * arm/linux-elf.h (text_section): Delete declaration.
8808 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
8810 ARM support for unordered FP operations.
8811 * arm-protos.h (arm_comparison_operator): Declare.
8812 * arm.c (arm_comparison_operator): New function.
8813 (arm_select_cc_mode): Add unordered comparison codes.
8814 (get_arm_condition_code): Likewise.
8815 (arm_final_prescan_insn): Can't handle unordered jumps that can't
8816 be done in one insn.
8817 * arm.h (PREDICATE_CODES): Add arm_comparison_operator.
8818 * arm.md (all uses of comparison_operator): Replace with
8819 arm_comparison_operator.
8820 (bunordered, bordered, bugt, bunlt, bunge, bunle, buneq, bltgt): New
8822 (arm_buneq, arm_bltgt, arm_buneq_reversed, arm_bltgt_reveresed): New
8825 Tue Aug 15 00:36:36 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
8827 * gthr-posix.h: Conditionally include <sched.h>; include
8828 <config.h> from libobjc/.
8830 2000-08-14 Richard Henderson <rth@cygnus.com>
8832 * config/i386/i386.c (legitimize_pic_address): Use Pmode
8835 2000-08-14 Richard Henderson <rth@cygnus.com>
8837 * configure.in (ia64-*): Set float_format for i386 long double.
8839 * real.c (GET_REAL): Treat 128-bit INTEL_EXTENDED_IEEE_FORMAT
8840 as we would for i386 XFmode.
8841 (PUT_REAL): Likewise.
8842 (endian, ereal_atof, real_value_truncate): Likewise.
8843 (ereal_isneg, toe64, etens, make_nan): Likewise.
8844 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Likewise.
8846 * config/ia64/ia64-protos.h: Update.
8847 * config/ia64/ia64.c (general_tfmode_operand): New.
8848 (destination_tfmode_operand): New.
8849 (tfreg_or_fp01_operand): New.
8850 (ia64_split_timode): New.
8851 (spill_tfmode_operand): New.
8852 (ia64_expand_prologue): Use TFmode not XFmode.
8853 (ia64_expand_epilogue): Likewise.
8854 (ia64_function_arg): Likewise.
8855 (ia64_function_arg_advance): Likewise.
8856 (ia64_return_in_memory): Likewise.
8857 (ia64_function_value): Likewise.
8858 (ia64_print_operand): Likewise.
8859 (ia64_register_move_cost): Set GR<->FR to 5.
8860 (ia64_secondary_reload_class): Get GR for TImode memory op.
8861 * config/ia64/ia64.h (ROUND_TYPE_SIZE): Remove.
8862 (ROUND_TYPE_ALIGN): Remove.
8863 (LONG_DOUBLE_TYPE_SIZE): Set to 128.
8864 (INTEL_EXTENDED_IEEE_FORMAT): Define.
8865 (HARD_REGNO_NREGS): Use TFmode, not XFmode.
8866 (HARD_REGNO_MODE_OK): Likewise. Disallow TImode in FRs.
8867 (MODES_TIEABLE_P): Use TFmode, not XFmode.
8868 (CLASS_MAX_NREGS): Likewise.
8869 (ASM_OUTPUT_LONG_DOUBLE): Output by 4 byte hunks.
8870 (PREDICATE_CODES): Update.
8871 * config/ia64/ia64.md (movti): New.
8872 (movti_internal): Use a clobber for memory alternatives.
8873 (reload_inti, reload_outti): New.
8874 (movsfcc_astep): Predicate properly.
8875 (movdfcc_astep): Likewise.
8878 (extendsftf2, extenddftf2): New.
8879 (trunctfsf2, trunctfdf2): New.
8880 (floatditf2, fix_trunctfdi2): New.
8881 (floatunsditf2, fixuns_trunctfdi2): New.
8882 (addtf3, subtf3, multf3, abstf2): New.
8883 (negtf2, nabstf2, mintf3, maxtf3): New.
8884 (maddtf3, msubtf3, nmultf3, nmaddtf3): New.
8886 (fr_spill): Use TFmode, not XFmode.
8887 (fr_restore): Likewise.
8888 * config/ia64/lib1funcs.asm (__divtf3): New.
8889 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add it.
8891 2000-08-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8893 * cse.c (fold_rtx): Avoid empty body in an if-statement.
8895 * doloop.c (doloop_iterations_max, doloop_modify): Avoid using the
8896 `U' integer constant suffix.
8898 * dwarf2out.c (add_subscript_info): Avoid empty body in an
8901 * sparc/sol2.h (__enable_execute_stack): Prototype.
8903 2000-08-14 David Edelsohn <edelsohn@gnu.org>
8905 * collect2.c: Remove use of AIX import file.
8907 * longlong.h: Test ARCH_PWR not ARCH_POWER.
8909 * rs6000.c (print_operand, case 'E'): Add else.
8911 2000-08-14 Richard Henderson <rth@cygnus.com>
8913 * config/ia64/ia64.md (movdi): Delay calling ia64_expand_load_address.
8914 (movdi_symbolic): New.
8916 2000-08-14 Jim Wilson <wilson@cygnus.com>
8918 * config/ia64/ia64.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
8919 to GNU as. For Intel as, pass -M const_gp and -M no_plabel.
8920 * config/ia64/linux.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
8923 2000-08-14 Richard Henderson <rth@cygnus.com>
8925 * expr.c (emit_group_load): Don't force constants into registers.
8926 Special case source already in the correct mode.
8928 2000-08-14 Zack Weinberg <zack@wolery.cumb.org>
8930 * configure.in: Accept *-*-linux* not just *-*-linux-gnu*.
8931 * fixinc/inclhack.def: Likewise.
8932 * fixinc/mkfixinc.sh: Likewise.
8933 * configure: Regenerate.
8934 * fixinc/fixincl.x: Regenerate.
8935 * install.texi: Document equivalence of linux and linux-gnu.
8937 Mon Aug 14 18:51:44 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8939 * cse.c (insert_regs): Also in REG case: When finding an invalid
8940 value, and we make a new quantity, make sure that it won't be
8941 mistaken by for a valid one by mention_regs.
8943 2000-08-13 Ralf Gütlein <ralf.guetlein@aranea.de>
8945 * h8300.md: Remove obsolete peepholes.
8947 2000-08-13 Kazu Hirata <kazu@hxi.com>
8949 * invoke.texi (H8/300 Options): Fix typos.
8950 * config/h8300.c: Fix formatting.
8951 * config/h8300.h: Fix comment typos.
8952 (OVERRIDE_OPTIONS): Fix formatting.
8954 * function.c: Fix formatting.
8956 * cse.c: Fix formatting.
8958 2000-08-13 Geoff Keating <geoffk@cygnus.com>
8960 * flow.c (attempt_auto_inc): Remove unused variable `bb'.
8961 (attempt_auto_inc): Suppress parentheses warning.
8962 * function.c (put_reg_into_stack): Remove unused variable `unsigned_p'.
8963 * loop.c (load_mems): Remove `u' suffix in two places.
8964 * config/rs6000/rs6000.c: Remove unnecessary `u' suffixes from
8966 * config/rs6000/rs6000.h: Likewise.
8967 * config/rs6000/sol-c0.c: Prototype some functions. Remove the
8968 __eabi dummy routine.
8969 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Remove unused
8972 * config/rs6000/rs6000.c (rs6000_select_section): Rewrite to
8973 not put stuff in .sdata unnecessarily.
8974 (rs6000_unique_section): New function.
8975 * config/rs6000/rs6000-protos.h: Add rs6000_unique_section.
8976 * config/rs6000/sysv4.h (UNIQUE_SECTION): Define.
8978 * c-typeck.c (build_array_ref): Don't complain about non-lvalue
8979 arrays in C99. Don't try to look at DECL_REGISTER of a
8980 COMPONENT_REF. Don't complain twice about the same error.
8982 * fixinc/inclhack.def (aix_pthread): New fix.
8983 (aix_sysmachine): New fix.
8984 * fixinc/fixincl.x: Regenerate.
8986 * expr.c (expand_expr): Call convert_modes when turning a large
8987 multiply into a small one.
8989 2000-08-12 Geoff Keating <geoffk@cygnus.com>
8991 * tree.h (DECL_OFFSET_ALIGN): Make the off_align field of
8992 the tree structure an exponent rather than an explicit alignment
8993 so it doesn't overflow.
8994 (SET_DECL_OFFSET_ALIGN): New macro.
8995 * stor-layout.c (place_union_field): Use SET_DECL_OFFSET_ALIGN
8996 rather than DECL_OFFSET_ALIGN.
8997 (place_field): Likewise.
8998 * expmed.c (store_bit_field): Abort on align==0 to avoid
8999 antisocial machine behaviour.
9001 2000-08-12 Richard Henderson <rth@cygnus.com>
9003 * sibcall.c (uses_addressof): Accept both addressof and
9004 current_function_internal_arg_pointer inside a mem.
9005 (optimize_sibling_and_tail_recursive_call): Fail tail recursion
9006 if current_function_uses_addressof.
9007 * stmt.c (expand_return): Kill tail recursion and HAVE_return
9010 2000-08-11 Richard Henderson <rth@cygnus.com>
9012 * config/ia64/ia64.md (addsi3): Remove expander.
9013 (subsi3, mulsi3, negsi2, one_cmplsi2): Likewise.
9014 (*addsi3_shladd): New.
9016 2000-08-11 Richard Henderson <rth@cygnus.com>
9018 * config/ia64/ia64.c (do_spill): Pass cfa offset to move expander.
9019 (do_restore): Likewise.
9020 (gen_movdi_x, gen_fr_spill_x, gen_fr_restore_x): New.
9021 (ia64_expand_prologue, ia64_expand_epilogue): Use them.
9022 (rtx_needs_barrier): Track actual bit manipulation for
9023 ar.unat moves, gr_spill, and gr_restore.
9024 (emit_insn_group_barriers): Special case gr_spill/gr_restore.
9025 (process_set): Don't handle varargs spills.
9026 * config/ia64/ia64.md (gr_spill): Accept cfa offset. Emit
9027 .mem.offset here instead of in process_set.
9028 (gr_restore): Likewise.
9030 2000-08-11 Richard Henderson <rth@cygnus.com>
9032 * config/ia64/ia64.h (PROMOTE_MODE): Only extend to SImode.
9034 2000-08-11 Mark Elbrecht <snowball3@bigfoot.com>
9036 * gcc.texi (The Configuration File): Document
9037 COLLECT2_HOST_INITIALIZATION, GCC_DRIVER_HOST_INITIALIZATION, and
9038 UPDATE_PATH_HOST_CANONICALIZATION.
9040 2000-08-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9042 * c-parse.in (cast_expr): Avoid -Wstrict-prototype warnings for
9043 unprototyped function pointer casts on integer constants.
9045 2000-08-11 Laurynas Biveinis <lauras@softhome.net>
9047 * fixproto: Recognize DOS paths with drive letters as absolute paths.
9049 2000-08-11 Nathan Sidwell <nathan@codesourcery.com>
9051 * extend.texi (Volatiles): Fix typos.
9053 2000-08-11 Kazu Hirata <kazu@hxi.com>
9055 * flow.c: Fix formatting.
9057 2000-08-11 Richard Henderson <rth@cygnus.com>
9059 * reload.c (push_secondary_reload): When invoking a reload_{in,out}
9060 pattern, always allocate a tertiary scratch register.
9062 * config/alpha/alpha.md (reload_inqi): Use a DImode scratch.
9063 (reload_inhi): Likewise.
9065 2000-08-11 Richard Henderson <rth@cygnus.com>
9067 * function.c (put_reg_into_stack): Allow type to be NULL.
9068 (schedule_fixup_var_refs): Likewise.
9069 (gen_mem_addressof): Allow decl to be NULL.
9070 (put_addressof_into_stack): Likewise.
9072 * flow.c (merge_blocks_nomove): Be more careful about
9073 locating the beginning of block A.
9075 * combine.c (simplify_shift_const): Obey SHIFT_COUNT_TRUNCATED.
9077 Thu Aug 10 22:47:09 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
9082 * config.in: Reverted the check for <sched.h>.
9084 2000-08-10 Chris Demetriou <cgd@sibyte.com>
9086 * mips/elf.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME): New
9087 macros define the name of CTOR and DTOR sections.
9088 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
9089 DTOR_LIST_END): Change to use attributes to specify
9091 * mips/elf64.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME,
9092 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
9093 DTOR_LIST_END): Same as in mips/elf.h.
9095 2000-08-10 Drew Moseley <dmoseley@redhat.com>
9097 * config/mn10300/mn10300.h: Added no-crt0 option for explicitly
9098 disabling just crt0.o.
9100 2000-08-10 Richard Earnshaw <rearnshaw@arm.com> & Nick Clifton <nickc@cygnus.com>
9102 * arm.h (CPP_SPEC): Use sub-spec cpp_interwork.
9103 (CPP_INTERWORK_SPEC, CPP_INTERWORK_DEFAULT_SPEC): New sub-specs.
9104 (EXTRA_SPECS): Add them.
9105 * arm/lib1funcs.asm: Support builds for interworking.
9106 Use macros to eliminate duplicated pieces of code.
9108 2000-08-10 Kazu Hirata <kazu@hxi.com>
9110 * h8300.c (expand_a_rotate): New.
9111 (emit_a_rotate): Likewise.
9112 (h8300_adjust_insn_length): Add support for the rotate insns.
9113 * h8300.md (rotlqi3): New.
9114 (*rotlqi3_1): Likewise.
9115 (rotlhi3): Likewise.
9116 (*rotlhi3_1): Likewise.
9117 (rotlhi3): Likewise.
9118 (*rotlhi3_1): Likewise.
9119 * h8300-proto.h: Add prototypes for expand_a_rotate and
9122 * h8300.c: Fix comment typos.
9123 (dosize): Declare the variable amount as unsigned.
9124 (get_shift_alg): Fix a comparison between signed and unsigned.
9125 (emit_a_shift): Likewise.
9126 (h8300_adjust_insn_length): Simplify the code.
9128 * c-decl.c: Fix formatting.
9130 2000-08-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9132 * c-lex.c (parse_float, yylex): For -Wtraditional, issue a
9133 warning about non-traditional numeric constant suffixes.
9135 * cppexp.c (parse_number): Likewise.
9137 * invoke.texi: (-Wtraditional): Document new behavior.
9139 Thu Aug 10 00:11:04 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
9141 * gthr-posix.h: Include auto-host.h. Conditionally include
9143 * configure.in: Check for the <sched.h> header file.
9144 * config.in: Added define for HAVE_SCHED_H.
9146 2000-08-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9148 * c-typeck.c (process_init_element): For -Wtraditional, warn about
9149 initialization of unions.
9151 * invoke.texi (-Wtraditional): Document new behavior.
9153 2000-08-09 Zack Weinberg <zack@wolery.cumb.org>
9155 * configure.in (--enable-c-cpplib): Uncomment. Use AC_DEFINE
9156 instead of extra_c_flags.
9157 (--enable-c-mbchar): Use AC_DEFINE instead of extra_c_flags.
9158 * configure: Regenerate.
9159 * config.in: Regenerate.
9161 * cpperror.c (cpp_type2name): New function.
9162 * cpplex.c (lex_line): If we issued an error for an invalid
9163 preprocessing directive, discard that logical line.
9164 * cpplib.c (do_line): Call a hook function if the current file
9165 is renamed by #line.
9166 (do_ident): Pass the contents of the string, not the entire
9167 token, to the callback function.
9168 * cpplib.h (CPP_LAST_PUNCTUATOR): New #define.
9169 (cb.rename_file): New hook function.
9170 (cb.ident): Adjust prototype.
9171 (cpp_type2name): Prototype.
9172 * cppmacro.c (dump_macro_args): Correct precedence lossage.
9174 * cppmain.c (cb_ident): Update for changed interface.
9175 (cb_rename_file): New function.
9176 (main): Set rename callback.
9178 2000-08-09 Alexandre Oliva <aoliva@redhat.com>
9180 * caller-save.c (mark_referenced_regs): Mark partially-overwritten
9181 multi-word registers.
9183 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
9185 * c-common.c (combine_strings, check_format_info): Refer to ISO C
9186 or ISO C89 instead of ANSI C.
9187 * c-decl.c (grokdeclarator, xref_tag, finish_struct,
9188 build_enumerator, do_case): Likewise.
9189 * c-lex.c (parse_float, yylex): Likewise.
9190 * c-parse.in: Likewise.
9191 * c-typeck.c (common_type, build_array_ref, build_binary_op,
9192 build_unary_op, pedantic_lvalue_warning, build_conditional_expr,
9193 build_c_cast, convert_for_assignment, set_init_index,
9194 set_init_label, c_expand_start_case): Likewise.
9195 * toplev.c (documented_lang_options, display_help): Likewise.
9197 2000-08-08 Kazu Hirata <kazu@hxi.com>
9199 * h8300.c: Fix formatting.
9200 * h8300.h: Likewise.
9201 * h8300.md: Likewise.
9202 (movsi_h8300hs): Fix formatting of the resulting assembly code.
9204 * reload1.c: Fix formatting.
9206 2000-08-08 Rodney Brown <RodneyBrown@mynd.com>
9208 * alpha/alpha.c (alpha_emit_xfloating_libcall):
9209 Use GEN_CALL_VALUE define.
9210 * alpha/alpha.md (untyped_call): Use GEN_CALL define.
9211 * clipper/clipper.md (untyped_call): Likewise.
9212 * dsp16xx/dsp16xx.md (untyped_call): Likewise.
9213 * fx80/fx80.md (untyped_call): Likewise.
9214 * mips/mips.md (untyped_call): Likewise.
9215 * ns32k/ns32k.md (untyped_call): Likewise.
9216 * pa/pa.md (untyped_call): Likewise.
9217 * romp/romp.md (untyped_call): Likewise.
9218 * sparc/sparc.md (untyped_call): Likewise.
9220 2000-08-08 Jason Eckhardt <jle@cygnus.com>
9222 * config/i860/i860.c (singlemove_string): Do not generate assembler
9223 pseudo instructions that must be expanded (that is, with signed
9224 constants larger than 16 bits).
9226 2000-08-08 Richard Henderson <rth@cygnus.com>
9228 * flow.c (life_analysis): Only turn off PROP_LOG_LINKS and
9229 PROP_AUTOINC at -O0. Don't collect alias info at -O0.
9230 (init_propagate_block_info): Don't kill memory stores at -O0.
9231 (mark_set_1, mark_used_regs): Likewise.
9233 2000-08-08 David Edelsohn <edelsohn@gnu.org>
9235 * rs6000.c (optimization_options): Decorate 'level' as
9237 (mask64_operand): Remove sign-extend thinko.
9238 (rldic_operand): New function.
9239 (load_multiple_operation): regno's are unsigned ints.
9240 (store_multiple_operation): Likewise.
9241 (lmw_operation): Likewise.
9242 (stmw_operation): Likewise.
9243 (includes_lshift_p): shift_mask is unsigned int.
9244 (includes_lshift64_p): New function.
9245 (addrs_ok_for_quad_peep): unsigned int reg1.
9246 (print_operand): Consistently add "else" after
9247 output_operand_lossage().
9248 (print_operand, case 'b'): Fold in case 'W'.
9249 (print_operand, case 'W'): Print rldic MB value.
9250 (output_epilogue): Update Objective-C language string.
9251 (output_toc): unsigned HOST_WIDE_INT low, compare unsigned.
9252 * rs6000.h (PREDICATE_CODES): Add rldic_operand.
9253 * rs6000.md (ashldi3): Add rldic instruction.
9254 (iordi3, xordi3): Remove redundant "else if CONST_DOUBLE".
9255 (cmpsi_internal2, cmpdi_interal2): Use 'b' output template
9258 2000-08-08 Richard Henderson <rth@cygnus.com>
9260 * config/ia64/ia64-protos.h: Remove duplicates. Update
9261 for massive code rearrangements.
9262 * config/ia64/ia64.c (ia64_arpfs_regno): Remove.
9263 (ia64_rp_regno, ia64_fp_regno, ia64_input_regs): Remove.
9264 (ia64_local_regs, ia64_need_regstk): Remove.
9265 (ar_ccv_reg_operand): New.
9266 (ia64_gp_save_reg): New.
9267 (struct ia64_frame_info): Combine most of the size elements;
9268 add new gr save elements.
9269 (find_gr_spill): New.
9270 (next_scratch_gr_reg): New.
9271 (mark_reg_gr_used_mask): New.
9272 (ia64_compute_frame_size): Rewrite. Allocate special AR regs
9273 to GR backing store regs when possible.
9274 (ia64_initial_elimination_offset): New.
9275 (ia64_rap_fp_offset): Remove.
9276 (save_restore_insns): Remove.
9277 (setup_spill_pointers): New.
9278 (finish_spill_pointers): New.
9279 (spill_restore_mem): New.
9280 (do_spill, do_restore): New.
9281 (ia64_expand_prologue): Rewrite to use them.
9282 (ia64_expand_epilogue): Likewise.
9283 (ia64_direct_return): Update for current_frame_info changes.
9284 (ia64_function_prologue): Simplify .prologue emission. Emit
9286 (ia64_setup_incoming_varargs): Don't ever emit rtl.
9287 (ia64_dbx_register_number): New.
9288 (ia64_initialize_trampoline): New.
9289 (ia64_secondary_reload_class): Request GR_REGS for integer
9290 arithmetic destined for FR_REGS.
9291 (ia64_init_machine_status): Don't reset return_address_pointer_rtx.
9292 (ia64_mark_machine_status): Mark ia64_gp_save.
9293 (rws_access_regno): Rename from rws_access_reg; don't treat
9294 predicates specially.
9295 (rws_access_reg): New. Update all callers.
9296 (rtx_needs_barrier): Remove dead unspecs.
9297 (ia64_epilogue_uses): Mark ar.pfs and ar.unat live on exit.
9298 (ia64_encode_section_info): Silence signed/unsigned warnings.
9299 (spill_offset, sp_offset, spill_offset_emitted): Remove.
9300 (tmp_reg, tmp_saved): Remove.
9301 (process_set): Rewrite to expect complicated bits via
9302 REG_FRAME_RELATED_EXPR.
9303 (ia64_expand_fetch_and_op): Use emit_move_insn; be explicit
9304 in the use of ar.ccv; never set RTX_UNCHANGING_P.
9305 (ia64_expand_op_and_fetch): Likewise.
9306 (ia64_expand_compare_and_swap): Likewise.
9307 (ia64_expand_builtin): Likewise.
9308 * config/ia64/ia64.h (AR_UNAT_REGNUM): New.
9309 (FIRST_PSEUDO_REGISTER): Update.
9310 (AR_M_REGNO_P): Update.
9311 (FIXED_REGS): Don't mark three local registers as used.
9312 (EXTRA_CC_MODES): New.
9313 (SELECT_CC_MODE): New.
9314 (HARD_REGNO_NREGS): Allow DImode in p0; handle CCImode.
9315 (HARD_REGNO_MODE_OK): Disallow CCImode from non-predicates.
9316 (FRAME_GROWS_DOWNWARD): Unset.
9317 (STARTING_FRAME_OFFSET): Zero.
9318 (ELIMINABLE_REGS): Eliminate from the soft to hard frame pointer.
9319 (INITIAL_ELIMINATION_OFFSET): Defer to out of line function.
9320 (HARD_FRAME_POINTER_REGNUM): New.
9321 (CAN_DEBUG_WITHOUT_FP): Define.
9322 (TRAMPOLINE_TEMPLATE): Remove.
9323 (TRAMPOLINE_SIZE): Lower to 32.
9324 (TRAMPOLINE_ALIGNMENT): Lower to 64.
9325 (INITIALIZE_TRAMPOLINE): Defer to out of line function.
9326 (PREDICATE_CODES): Update.
9327 (struct machine_function): Add ia64_gp_save.
9328 * config/ia64/ia64.md: Purge unused unspecs.
9329 (movsi patterns): Allow moves to/from AR_M_REGS.
9330 (movdi patterns): Allow moves to/from p0.
9331 (call patterns): Move most setjmp hackery to ia64_gp_save_reg.
9332 (gr_spill, gr_restore): Indicate ar.unat read/written.
9333 (nonlocal_goto): Don't pass old frame_pointer.
9334 (nonlocal_goto_receiver): Remove.
9335 (exception_receiver): New.
9336 (builtin_setjmp_setup): New.
9337 (builtin_setjmp_receiver): New.
9338 * config/ia64/lib1funcs.asm (__ia64_save_stack_nonlocal): Bundle.
9339 (__ia64_nonlocal_goto): Bundle. Don't kill r7.
9340 (__ia64_restore_stack_nonlocal): Likewise.
9341 (__ia64_trampoline): New.
9342 * config/ia64/sysv4.h (DBX_REGISTER_NUMBER): Defer to out of line
9344 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __trampoline.
9346 2000-08-08 Richard Henderson <rth@cygnus.com>
9348 * frame.h (ia64_frame_state): Add my_psp.
9349 * libgcc2.c (ia64_throw_helper): Add throw_sp argument.
9350 (__throw): Pass it in. Don't clobber r7.
9351 * config/ia64/frame-ia64.c (init_ia64_reg_loc): Mark inline.
9352 (execute_one_ia64_descriptor) [mem_stack_v]: Sets psp.when
9353 and nothing to do with sp.
9354 (normalize_reg_loc): Use frame->my_psp.
9355 (frame_translate): Handle frame-pointer-less functions. Set
9356 spill_base correctly, in absence of being told.
9357 (__build_ia64_frame_state): New sp argument. Fill in frame->my_sp.
9358 (__ia64_backtrace_helper): New sp argument. Use
9359 builtin_return_address instead of label addresses.
9360 (print_record) [mem_stack_v]: No size member.
9362 2000-08-08 Richard Henderson <rth@cygnus.com>
9364 * regclass.c (choose_hard_reg_mode): Iterate over all CC modes.
9366 2000-08-08 Richard Henderson <rth@cygnus.com>
9368 * tm.texi (LOCAL_REGNO): Document.
9369 * flow.c (LOCAL_REGNO, EPILOGUE_USES): Provide default.
9370 (mark_regs_live_at_end): Don't mark LOCAL_REGNO registers.
9371 * reload1.c (reload): Likewise when considering nonlocal labels.
9373 * config/ia64/ia64.h (LOCAL_REGNO): New.
9374 * config/sparc/sparc.h (LOCAL_REGNO): New.
9376 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
9378 * c-lex.c (yylex): Don't allow integer suffixes 'LUL', 'Ll', 'lL'.
9380 2000-08-07 Nick Clifton <nickc@redhat.com>
9382 * config/mips/mips.c: Fix compile time warning messages.
9383 * config/mips/mips-protos.h: Add prototype for equality_op.
9385 * mn10300.h (TARGET_SWITCHES): Document `-mam33'.
9387 2000-08-07 Graham Stott <grahams@cygnus.co.uk>
9389 * mn10300.md: Use nonimmediate_operand instead of general_operand
9392 * mn10300.h (PREFERRED_RELOAD_CLASS): Limit memory reloads.
9394 2000-08-07 Alexandre Oliva <aoliva@redhat.com>
9396 * sh.h (EXTRA_CONSTRAINT_Q): Adjust to GNU Coding Standards.
9397 * sh.c (expand_block_move): Break long lines.
9398 (expand_ashiftrt, fpscr_set_from_mem): Likewise.
9399 * sh.md (mulsi3): Likewise.
9400 (movdi): Adjust spacing.
9402 2000-08-07 Richard Henderson <rth@cygnus.com>
9404 * expmed.c (store_bit_field): Don't require MEM_IN_STRUCT_P.
9405 * expr.c (emit_group_store): Don't set it.
9407 2000-08-07 Kazu Hirata <kazu@hxi.com>
9409 * invoke.texi (Options for Debugging Your Program or GCC): Remove
9410 duplicate entries for 'w' and 'z'.
9412 * flow.c: Fix a comment typo.
9414 Sun Aug 6 23:47:35 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
9416 * c-parse.in: Changed the language string for Objective-C to "GNU
9419 Sun Aug 6 11:54:03 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
9421 * gthr-posix.h: Integrated Chris Ball's <cball@fmco.com> changes
9422 to improve the Posix thread support for Objective-C.
9424 2000-08-06 Joseph S. Myers <jsm28@cam.ac.uk>
9426 * c-common.h (enum c_tree_index): Add CTI_SIGNED_SIZE_TYPE and
9427 CTI_UNSIGNED_PTRDIFF_TYPE.
9428 (signed_size_type_node): Define.
9429 (unsigned_ptrdiff_type_node): Define.
9430 * c-decl.c (init_decl_processing): Create the
9431 signed_size_type_node and unsigned_ptrdiff_type_node types.
9432 * c-common.c (T_SC): Define.
9435 (print_char_table): Use T_SST for %zd, %zi, %zn. Use T_UPD for
9436 %to, %tu, %tx, %tX. Allow %hhn (T_SC). Add "c" to the flags for
9438 (scan_char_table): Use T_SC for %hhd, %hhi, %hhn. Use T_SST for
9439 %zd, %zi, %zn. Use T_UPD for %to, %tu, %tx, %tX. Add "c" to the
9440 flags for %c, %s and %[.
9441 (check_format_info): Only allow leniency for signedness of targets
9442 of character pointers (when pedantic) for formats flagged with
9443 "c", so for strings but not for %hh formats. When pedantic, don't
9444 allow character pointers to substitute for void pointers if a
9445 second level of indirection is present.
9447 2000-08-06 Kazu Hirata <kazu@hxi.com>
9449 * invoke.texi (Options for Debugging Your Program or GCC): Update
9450 the names of dump files.
9452 * h8300.c (dosize): Rearrange code for conciseness.
9453 (split_adds_subs): Likewise.
9455 * loop.c: Fix formatting.
9457 * dwarf2out.c: Fix formatting.
9459 * tm.texi (FUNCTION_ARG_PARTIAL_NREGS): Fix a typo.
9461 * expr.c: Fix formatting.
9463 2000-08-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9465 * rs6000.c (rs6000_maybe_dead): Prototype.
9467 2000-08-06 Richard Henderson <rth@cygnus.com>
9469 * stmt.c (expand_goto): Do virtual_stack_vars_rtx replacement for
9470 HAVE_nonlocal_goto as well.
9471 * config/i960/i960.md (nonlocal_goto): Don't do it here.
9472 * config/pj/pj.md (nonlocal_goto): Likewise.
9474 2000-08-07 Michael Hayes <mhayes@cygnus.com>
9476 * loop.c (try_swap_copy_prop): New function.
9477 (load_mems): Rename copies to load_copies and add new regset
9478 store_copies. Check for sets of shadow registers and mark
9479 in store_copies. Call try_swap_copy_prop for registers
9480 marked in store_copies.
9482 Sun Aug 6 00:54:42 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
9484 * objc/objc-act.c: New command line option -fconstant-string-class
9485 to allow specifying a user defined constant string class,
9486 different from NXConstantString.
9488 * toplev.c: Moved the Objective-C specific options to
9489 objc/lang-options.h.
9491 * objc/lang-options.h: Moved the Objective-C specific options from
9492 toplev.c. Added -fconstant-string-class.
9494 2000-08-05 Chris Demetriou <cgd@sibyte.com>
9496 * mips/elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
9497 DTOR_LIST_BEGIN, DTOR_LIST_END): change type of
9498 __CTOR_LIST__ from func_ptr array to just func_ptr, to
9499 avoid extra alignment imposed on arrays.
9500 * mips/elf64.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
9501 DTOR_LIST_BEGIN, DTOR_LIST_END): Likewise.
9503 * mips.h: Clean up comments and spacing near MASKs.
9504 (TARGET_UNIX_ASM): Delete.
9505 (MASK_MIPS16, MASK_NO_CHECK_ZERO_DIV, MASK_CHECK_RANGE_DIV,
9506 MASK_UNINIT_CONST_IN_RODATA): Change values to make mask
9509 2000-08-05 Joseph S. Myers <jsm28@cam.ac.uk>
9511 * c-common.c (print_char_table): Add entries for the X/Open '
9512 format flag (print decimals with locale's thousands grouping
9513 character). Make %C expect wint_t.
9514 (check_format_info): If pedantic, warn when the %n$ operand
9515 number form is used. Allow for the ' flag; warn about it if
9518 2000-08-05 Zack Weinberg <zack@wolery.cumb.org>
9520 * i386.h (FUNCTION_OK_FOR_SIBCALL): Not OK if DECL's return
9521 type is a float mode, cfun->decl's return type is not, and
9522 TARGET_FLOAT_RETURNS_IN_80387.
9524 2000-08-04 Andreas Schwab <schwab@suse.de>
9526 * cppmain.c (cb_def_pragma): Skip the first two tokens from the
9527 token list, which are always `#' and `pragma'.
9529 2000-08-04 Zack Weinberg <zack@wolery.cumb.org>
9531 * tree.c (tree_expr_nonnegative_p): Move to...
9532 * fold-const.c: ... here. Also handle BIND_EXPR and RTL_EXPR.
9533 (rtl_expr_nonnegative_p): New.
9534 * tree.h: Add prototype for rtl_expr_nonnegative_p.
9536 * real.h (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH, CONST_DOUBLE_MEM,
9537 CONST_DOUBLE_CHAIN: Move to...
9538 * rtl.h: ...here. Use XCINT/XCEXP.
9540 * Makefile.in: Remove toplev.o from OBJS. Add rule to make
9541 libbackend.a; add libbackend.a to STAGESTUFF. Add BACKEND
9542 variable. Use BACKEND when linking cc1, not OBJS. Add BACKEND
9545 * objc/Make-lang.in (cc1obj): Link with $(BACKEND).
9547 2000-08-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9549 * config/c4x/c4x.md (return_indirect_internal): New.
9550 * config/c4x/c4x.c (c4x_expand_epilogue): Use it.
9552 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
9554 * c-common.c (time_char_table): Mark up formats added in C99 and
9555 make other corrections. %D and %g were added in C99. %Og is an
9556 extension. %EX is permitted. %R, %T, %n, %r, %t were added in
9557 C99. %e was added in C99. %Oj is an extension. %G and %z are in
9558 C99 rather than GNU extensions, but %OG and %Oz are extensions.
9559 %h was added in C99. %C was added in C99. %OY and %OC are
9560 extensions. Add the C99 format %F.
9561 (check_format_info): If pedantic and not in C99 mode, warn for C99
9564 Fri Aug 4 23:01:58 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9566 * function.c (schedule_fixup_var_refs): New function, broken out
9567 of put_reg_into_stack.
9568 (put_reg_into_stack): Use it.
9569 (put_var_into_stack): In CONCAT case, fixup up references for
9570 components only after fixing up references to the whole concat.
9572 2000-08-04 Rodney Brown <RodneyBrown@pmsc.com>
9574 * alias.c (mark_constant_function): Use INSN_P.
9575 (init_alias_analysis): Likewise.
9576 * combine.c (combine_instructions): Use INSN_P.
9577 (can_combine_p): Likewise.
9578 (try_combine): Likewise.
9579 (distribute_notes): Likewise.
9580 (distribute_links): Likewise.
9581 * cse.c (cse_around_loop): Use INSN_P.
9582 (invalidate_skipped_block): Likewise.
9583 (cse_set_around_loop): Likewise.
9584 (cse_end_of_basic_block): Likewise.
9585 (delete_trivially_dead_insns): Likewise.
9586 * emit-rtl.c (unshare_all_rtl_again): Use INSN_P.
9587 (unshare_all_rtl_1): Likewise.
9588 (next_cc0_user): Likewise.
9589 (try_split make_insn_raw): Likewise.
9590 (remove_unnecessary_notes): Likewise.
9591 * final.c (shorten_branches): Use INSN_P.
9592 (leaf_renumber_regs): Likewise.
9593 (leaf_renumber_regs_insn): Likewise.
9594 * flow.c (find_label_refs): Use INSN_P.
9595 (verify_wide_reg): Likewise.
9596 (notice_stack_pointer_modification): Likewise.
9597 (count_or_remove_death_notes): Likewise.
9598 (verify_flow_info): Likewise.
9599 (clear_log_links): Likewise.
9600 * function.c (fixup_var_refs_insns): Use INSN_P.
9601 (compute_insns_for_mem): Likewise.
9602 * gcse.c (alloc_gcse_mem): Use INSN_P.
9603 (compute_sets): Likewise.
9604 (compute_hash_table): Likewise.
9605 (classic_gcse): Likewise.
9607 (insert_insn_end_bb): Likewise.
9608 (delete_null_pointer_checks_1): Likewise.
9609 * global.c (expand_preferences): Use INSN_P.
9610 (build_insn_chain): Likewise.
9611 * graph.c (node_data): Use INSN_P.
9612 * haifa-sched.c (priority): Use INSN_P.
9613 (rm_line_notes): Likewise.
9614 (rm_other_notes): Likewise.
9615 (find_insn_reg_weight): Likewise.
9616 (init_target_units): Likewise.
9617 (schedule_block): Likewise.
9618 (compute_block_forward_dependences): Likewise.
9619 (debug_dependencies): Likewise.
9620 (set_priorities): Likewise.
9621 * integrate.c (function_cannot_inline_p): Use INSN_P.
9622 (save_parm_insns): Likewise.
9623 (copy_insn_list): Likewise.
9624 * jump.c (mark_all_labels): Use INSN_P.
9625 (never_reached_warning): Likewise.
9626 * lcm.c (optimize_mode_switching): Use INSN_P.
9627 * local-alloc.c (validate_equiv_mem): Use INSN_P.
9628 (memref_used_between_p): Likewise.
9629 (update_equiv_regs): Likewise.
9630 (block_alloc): Likewise.
9631 (no_conflict_p): Likewise.
9632 * loop.c (scan_loop): Use INSN_P.
9633 (find_and_verify_loops): Likewise.
9634 (count_loop_regs_set): Likewise.
9635 (loop_reg_used_before_p): Likewise.
9636 (strength_reduce): Likewise.
9637 (recombine_givs): Likewise.
9638 (check_dbra_loop): Likewise.
9639 (load_mems): Likewise.
9640 (try_copy_prop): Likewise.
9641 * print-rtl.c (print_rtx): Use INSN_P.
9642 * recog.c (find_single_use): Use INSN_P.
9643 * reg-stack.c (stack_regs_mentioned): Use INSN_P.
9644 (next_flags_user): Likewise.
9645 (swap_rtx_condition): Likewise.
9646 * regmove.c (mark_flags_life_zones): Use INSN_P.
9647 (optimize_reg_copy_1): Likewise.
9648 (optimize_reg_copy_2): Likewise.
9649 (optimize_reg_copy_3): Likewise.
9650 (reg_is_remote_constant_p): Likewise.
9651 (fixup_match_2): Likewise.
9652 (regmove_optimize): Likewise.
9653 (fixup_match_1): Likewise.
9654 * regrename.c (build_def_use): Use INSN_P.
9655 (replace_reg_in_block): Likewise.
9656 (consider_use): Likewise.
9657 * reload.c (find_equiv_reg): Use INSN_P.
9658 * reload1.c (reload): Use INSN_P.
9659 (maybe_fix_stack_asms): Likewise.
9660 (calculate_needs_all_insns): Likewise.
9661 (reload_as_needed): Likewise.
9662 (emit_output_reload_insns): Likewise.
9663 (delete_address_reloads_1): Likewise.
9664 (reload_cse_regs_1): Likewise.
9665 (reload_combine): Likewise.
9666 (reload_cse_move2add): Likewise.
9667 * reorg.c (redundant_insn): Use INSN_P.
9668 (dbr_schedule): Likewise.
9669 * resource.c (find_dead_or_set_registers): Use INSN_P.
9670 (mark_target_live_regs): Likewise.
9671 * rtlanal.c (reg_used_between_p): Use INSN_P.
9672 (reg_referenced_between_p): Likewise.
9673 (reg_set_between_p): Likewise.
9674 (reg_set_p): Likewise.
9675 (single_set): Likewise.
9676 (multiple_sets): Likewise.
9677 (find_last_value): Likewise.
9678 (reg_set_last): Likewise.
9679 (find_reg_note): Likewise.
9680 (find_regno_note): Likewise.
9681 * sibcall.c (sequence_uses_addressof): Use INSN_P.
9682 * simplify-rtx.c (cselib_process_insn): Use INSN_P.
9683 * ssa.c (find_evaluations): Use INSN_P.
9684 (rename_block): Likewise.
9685 (rename_equivalent_regs): Likewise.
9686 * unroll.c (loop_find_equiv_value): Use INSN_P.
9687 (set_dominates_use): Likewise.
9688 * varasm.c (mark_constant_pool): Use INSN_P.
9689 (mark_constants): Likewise.
9690 * config/alpha/alpha.c (alpha_does_function_need_gp): Use INSN_P.
9691 (alphaev4_next_group): Likewise.
9692 (alphaev5_next_group): Likewise.
9693 * config/c4x/c4x.c (c4x_process_after_reload): Use INSN_P.
9694 (c4x_rptb_rpts_p): Likewise.
9695 * config/mips/mips.c (mips16_optimize_gp): Use INSN_P.
9696 * config/rs6000/rs6000.c (uses_TOC): Use INSN_P.
9697 (rs6000_adjust_priority): Likewise.
9698 * config/sh/sh.c (sh_loop_align): Use INSN_P.
9699 (machine_dependent_reorg): Likewise.
9700 (split_branches): Likewise.
9701 * config/tahoe/tahoe.c (tahoe_cmp_check): Use INSN_P.
9703 Fri Aug 4 11:43:49 2000 John Wehle (john@feith.com)
9705 * combine.c (recog_for_combine): Remove the old notes
9706 prior to attempting to recognize the new pattern.
9707 (distribute_notes): Ignore REG_NONNEG notes.
9709 2000-08-04 Chandrakala Chavva <cchavva@redhat.com>
9711 * varasm.c (output_constructor): Add .align 0 for packed vars.
9713 2000-08-04 J. David Anglin <dave@hiauly1.hia.nrc.ca>
9715 * configure.in: Use default thread_file even when enable_threads is
9716 yes or dce because hpux10.20 pa port uses MULTILIB implementation.
9717 * configure: Rebuilt.
9719 * gthr-dce.h (__gthread_objc_condition_allocate): Fix typo.
9721 2000-08-04 Donn Terry (donnte@microsoft.com)
9723 * prefix.c (translate_name): Don't strip trailing DIR_SEPARATOR.
9725 2000-08-04 Mark Elbrecht <snowball3@bigfoot.com>
9727 * i386/x-djgpp: Delete code that conditionally modifies target_alias.
9728 Delete code that conditionally modifies 'version'.
9729 Delete X_CPPFLAGS. Add comment for SYSTEM_HEADER_DIR.
9730 * i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): New macro.
9731 * gcc.c (main): Use it.
9732 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): New macro.
9733 * prefix.c (update_path): Use it.
9734 * i386/djgpp.h (STANDARD_INCLUDE_DIR): Define.
9735 (MD_EXEC_PREFIX): Set to '/dev/env/DJDIR/bin/'.
9736 (ASM_OUTPUT_SECTION_NAME): Add code attribute to sections containing
9738 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Default to true.
9739 (SUBTARGET_SWITCHES): Adjust.
9740 (WCHAR_UNSIGNED, WCHAR_TYPE_SIZE, WCHAR_TYPE): Undefine before
9742 (WINT_TYPE, SIZE_TYPE, PTRDIFF_TYPE): Define.
9744 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
9746 * c-common.h (flag_isoc94): Declare.
9747 * c-decl.c (flag_isoc94): Define.
9748 (c_decode_option): Set flag_isoc94 as appropriate.
9749 * c-common.c (T_PD, T_IM, T_UIM): Define.
9750 (format_char_info): Add tlen and jlen.
9751 (print_char_table): Add entries for %t and %j. Allow %zn. Allow
9753 (scan_char_table): Add entries for %t and %j. Allow %F. Allow
9755 (time_char_table): Add NULL entries for %t and %j.
9756 (check_format_info): Allow for %t and %j. Warn for %F if pedantic
9757 and not C99. Warn for %lc, %ls and %l[ if pedantic and not C94.
9758 Warn for printf %lf if pedantic and not C99. Don't warn for empty
9759 precision. Allow precision argument to be unsigned int. If
9760 pedantic, warn for %p passed an argument not a pointer to possibly
9761 qualified void or a possibly qualified character type, and for
9762 pointer targets of the wrong sign, except for character pointers.
9764 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
9766 * ginclude/stddef.h: Don't declare wint_t unless __need_wint_t.
9767 * c-common.h (enum c_tree_index): Add CTI_WINT_TYPE.
9768 (wint_type_node): Define.
9769 * c-decl.c (WINT_TYPE): Define.
9770 (init_decl_processing): Create the wint_type_node type.
9771 * c-common.c (T_WI): Define.
9772 (print_char_table): Use T_WI for %lc format.
9774 2000-08-04 Bruce Korb <bkorb@gnu.org>
9776 * fixinc/: Verified that the MSDOS patch does not break
9777 the UNIX functionality and applied the next three patches
9780 2000-07-28 Eli Zaretskii <eliz@is.elta.co.il>
9782 * fixinc/fixfixes.c (main) [__MSDOS__]: Avoid overwriting the
9783 output file with the temporary one by appending ".X" to generate
9784 the temporary fuile's name. If the output file already has an
9785 extension, replace it with ".X".
9787 * fixinc/fixincl.c (fix_with_system) [__MSDOS__]: Use $ORIGDIR,
9788 not $DESTDIR, to find applyfix. Use sprintf instead of snprintf;
9789 reallocate the command buffer while copying the command-line
9790 argument. Redirect the output directly to the temporary file,
9791 instead of going through another temporary file.
9792 (process): Close the temporary file before unlinking it.
9793 (machine_matches) [__MSDOS__]: If the machine doesn't match, set
9794 the FD_SKIP_TEST flag. Pay attention to the FD_MACH_IFNOT flag.
9795 (run_compiles): Pass p_fixd argument to machine_matches, as it
9798 * fixinc/fixincl.sh: Export ORIGDIR. If $DJDIR is set in the
9799 environment, assume there are no symlinks in the include
9800 directory. When cleaning up the DONE files, look for them
9801 case-insensitively. Don't try to remove symlinks if they aren't
9804 * fixinc/fixlib.c (make_raw_shell_str): Accept new argument smax;
9805 all callers changed. Declare pz "const char *", to avoid compiler
9808 * fixinc/fixlib.h (ENV_TABLE): Get ORIGDIR from the environment.
9809 Change prototype of make_raw_shell_str.
9811 2000-07-27 Eli Zaretskii <eliz@is.elta.co.il>
9813 * fixinc/fixincl.c [__MSDOS__]: Don't include "server.h".
9814 (initialize) [__MSDOS__]: Use tempnam.
9815 (initialize): Don't use SIGPIPE if it is not defined.
9817 * fixinc/fixfixes.c (main) [__MSDOS__]: freopen for stdout should
9820 2000-07-25 Bruce Korb <bkorb@gnu.org>
9822 * fixinc/fix*.[ch]: substantially reworked to make it possible
9823 to run this program without using fork(2) or pipe(2) (i.e. in
9826 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
9828 * cppdefault.h (WINT_TYPE): Define.
9829 * cppinit.c (builtin_array): Define __WINT_TYPE__.
9830 * tradcpp.c (initialize_builtins): Define __WINT_TYPE__.
9831 * tm.texi (NO_BUILTIN_WINT_TYPE, WINT_TYPE): Document.
9833 Fri Aug 4 06:53:46 2000 Clinton Popetz <cpopetz@cygnus.com>
9835 * (mips_legitimate_address_p): Don't allow register+offset
9836 if the offset is large and negative, and we are compiling
9837 for 64 bit registers.
9839 2000-08-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9841 * gencodes.c (main): Define CODE_FOR_nothing as the last possible
9842 insn_code_number + 1.
9844 2000-08-04 Kazu Hirata <kazu@hxi.com>
9846 * h8300.c (function_prologue): Rearrange code for conciseness.
9847 (function_epilogue): Likewise.
9848 * h8300.h (OK_FOR_U): Fix formatting.
9850 * cse.c: Fix a comment typo. Fix formatting.
9852 2000-08-03 Richard Henderson <rth@cygnus.com>
9854 * config/i386/i386.md (return_indirect_internal): New.
9855 * config/i386/i386.c (ix86_expand_epilogue): Use it.
9857 2000-08-03 Zack Weinberg <zack@wolery.cumb.org>
9859 * cpplex.c (parse_name): Might have to glue a CPP_OTHER token
9861 (lex_line): Glue @ onto the beginning of identifiers and
9862 string constants, in Objective-C mode.
9863 (output_token, spell_token): Handle CPP_OSTRING.
9864 (can_paste, maybe_paste_with_next): Handle pasting @ onto the
9865 beginning of a NAME or a STRING, in objc mode.
9867 * cpplib.c (get_define_node): Do not permit identifiers that
9868 begin with @ to be #defined.
9869 * cppmacro.c (CAN_PASTE_AFTER): Add CPP_OTHER.
9870 * cpplib.h (TTYPE_TABLE): Add CPP_OSTRING.
9872 * c-lang.c, objc/objc-act.c (build_objc_string): Delete.
9873 * c-tree.h (build_objc_string): Delete prototype.
9874 * objc/objc-tree.def: Delete OBJC_STRING_CST.
9875 * c-lex.c (yylex): Use build_string for all three kinds of strings.
9877 * c-parse.in, objc/objc-act.c: Update commentary.
9879 2000-08-03 Mark Mitchell <mark@codesourcery.com>
9881 * extend.texi: Fix typo in last change.
9883 * extend.texi: Add commentary on statement-expressions and their
9884 interactions with C++.
9886 2000-08-03 Nick Clifton <nickc@cygnus.com>
9888 * dwarf2.h (DW_LANG_Java): Change value to 0x000b.
9889 * dwarf.h (LANG_JAVA): Change value to 0x000b.
9891 2000-08-03 Anthony Green <green@cygnus.com>
9893 * dwarf2out.c (gen_compile_unit_die): Add java language support.
9894 (add_bound_info): Check for java language.
9895 (is_java): New function.
9896 * dwarfout.c (output_compile_unit_die): Ditto.
9897 * dwarf.h (dwarf_source_language): Add java source language type.
9898 * dwarf2.h (dwarf_source_language): Ditto.
9900 Thu Aug 3 20:32:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
9902 * reg-stack.c (subst_stack_regs_pat): Use replace_reg to swap
9905 * i386.c (ix86_expand_branch): Mode of comparison in
9906 IF_THEN_ELSE is VOIDmode.
9908 Thu Aug 3 10:05:53 2000 Akiko Matsushita <matusita@sra.co.jp>
9910 * gengenrtl.c, rtl.c: Avoid #elif.
9912 2000-08-03 Michael Poole <poole@troilus.org>
9914 * tm.texi (Register Classes): Clarify order of sub-initializers
9915 in REG_CLASS_CONTENTS.
9917 Thu Aug 3 15:53:03 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9919 From SAITOH Masanobu:
9920 * sh.h (ASM_OUTPUT_REG_PUSH): Fix syntax.
9922 2000-08-03 David Billinghurst <David.Billinghurst@riotinto.com.au>
9924 * config/i386/cygwin.h: Remove -remap from CPP_SPEC since this option
9925 is not supported by tradcpp and isn't actually needed for cygwin.
9927 2000-08-03 Kazu Hirata <kazu@hxi.com>
9929 * h8300.c: Fix a comment typo.
9930 * h8300.h (OK_FOR_U): Accept a 32-bit constant address on H8/S.
9932 * jump.c: Fix formatting.
9934 * toplev.c: Fix formatting.
9936 Thu Aug 3 01:05:32 2000 Jeffrey A Law (law@cygnus.com)
9938 * flow.c (find_auto_inc): Verify that we've got a REG before
9939 peeking at its regno. Fail, don't abort if we can't find
9940 the increment of the desired register.
9942 * pa.md (shadd height reduction patterns/splitters): Remove.
9944 2000-08-02 Jim Wilson <wilson@cygnus.com>
9946 * config/ia64/ia64-protos.h (flag_ssa): Declare.
9947 * config/ia64/ia64.md (movti_internal, movti_internal+1): New.
9949 2000-08-02 Mark Mitchell <mark@codesourcery.com>
9951 * dce.c: Remove all uses of assert.
9952 * dwarf2out.c: Likewise.
9953 * dwarfout.c: Likewise.
9956 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
9958 * gcc.h (lang_specific_driver): Constify second argument.
9959 * gcc.c (translate_options, process_command, main): Likewise.
9960 Constify variables to match. Cast second argument to
9963 * cppspec.c, gccspec.c: Adjust type of second argument to
9964 lang_specific_driver, and update code as necessary.
9966 2000-08-02 Jakub Jelinek <jakub@redhat.com>
9968 * loop.c (scan_loop): Ensure update_end label does not
9969 go away until reg_scan_update is run.
9971 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
9973 * c-common.h: Prototype min_precision and c_build_qualified_type here...
9974 * c-tree.h: ... not here.
9975 * errors.h: Prototype fancy_abort.
9977 * emit-rtl.c (gen_lowpart_common): Move variable 'c' into
9978 HOST_BITS_PER_WIDE_INT == 64 ifdef block.
9979 * regrename.c (regrename_optimize): Make control flow explicit.
9980 (replace_reg_in_block): Initialize reg_use to 0.
9982 * i386.c (legitimate_address_p): Rename error label to
9983 report_error to avoid namespace clash.
9985 2000-08-02 Kazu Hirata <kazu@hxi.com>
9987 * fold-const.c: Fix formatting.
9989 Wed Aug 2 16:26:15 MET DST 2000 Jan Hubicka <jh@suse.cz>
9991 * i386.c (legitimate_address_p): Accept other bases than
9992 pic_offset_table_rtx for GOTOFF constructs.
9994 Wed Aug 2 15:59:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
9996 * i386.md (shift to lea splitter): Use const_int_operand.
9998 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
10000 * cppexp.c, cppinit.c, cpplex.c, cpplib.c, cppmacro.c,
10001 cppspec.c: Do not use 'legal' or 'illegal' in error messages
10004 * cppmain.c (cb_define, cb_undef): Don't generate any output
10005 if not done_initializing.
10006 * cpplex.c (maybe_paste_with_next): When the token after a ##
10007 is an omitted rest argument, only delete the token before it
10008 if that token is a comma. Do not warn about bogus token
10009 pastes for , ## rest_arg.
10011 * cpp.texi: Update.
10012 * cpp.1: Regenerate.
10014 2000-08-02 Fred Fish <fnf@be.com>
10016 * config/i386/beos-elf.h (STARTFILE_SPEC): Add i386-mcount.o
10017 when user gives -p option. Add init_term_dyn.o for BeOS 5.0
10020 * config/i386/beos-elf.h (INCLUDE_DEFAULTS): Add additional
10021 Be directories to search path.
10023 Remove support for __declspec(dllimport) and __declspec(dllexport).
10024 This is leftover cruft from the earlier BeOS gcc port when BeOS
10025 used Microsoft's PE object file format.
10026 * configure.in (i*86-*-beoself): Remove extra_objs=winnt.o.
10027 * config/i386/t-beos (winnt.o): Remove Makefile frag.
10028 * config/i386/beos-elf.h (TARGET_NOP_FUN_DLLIMPORT): Remove.
10029 (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
10030 (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
10031 (MERGE_MACHINE_DECL_ATTRIBUTES): Remove.
10032 (REDO_SECTION_INFO_P): Remove.
10033 (ASM_EXPORT_DECL): Remove.
10034 (ASM_DECLARE_FUNCTION_NAME): Remove.
10035 (ASM_DECLARE_OBJECT_NAME): Remove.
10036 (ASM_OUTPUT_ALIGNED_COMMON): Remove.
10037 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Remove.
10038 (ASM_OUTPUT_ALIGNED_LOCAL): Remove.
10039 (STRIP_NAME_ENCODING): Remove.
10041 Remove support for obsolete version of BeOS that is no longer
10043 * configure.in (i*86-*-beospe*): Remove.
10044 * config/i386/beos-pe.h: Remove.
10046 2000-08-01 Jeffrey Oldham <oldham@codesourcery.com>
10047 Mark Mitchell <mark@codesourcery.com>
10049 * Makefile.in (OBJS): Added dce.o.
10050 (ssa.o): Updated target to include ssa.h.
10051 (flow.o): Likewise.
10052 (toplev.o): Likewise.
10053 (dce.o): Created target.
10054 * basic-block.h: Added comments.
10055 (INVALID_BLOCK): Added definition.
10056 (connect_infinite_loops_to_exit): Added declaration.
10057 Moved SSA declarations to ssa.h.
10058 * flow.c: Added inclusion of ssa.h.
10059 (struct depth_first_search_dsS, depth_first_search_ds):
10061 (compute_immediate_postdominators): Added definition.
10062 (connect_infinite_loops_to_exit): Likewise.
10063 (flow_dfs_compute_reverse_init): Likewise.
10064 (flow_dfs_compute_reverse_add_bb): Likewise.
10065 (flow_dfs_compute_reverse_execute): Likewise.
10066 (flow_dfs_compute_reverse_finish): Likewise.
10067 * rtl.h (rtx/in_struct): Added use to determine insn necessity.
10068 (LABEL_P): Added definition.
10069 (JUMP_P): Likewise.
10070 (NOTE_P): Likewise.
10071 (BARRIER_P): Likewise.
10072 (JUMP_TABLE_DATA_P): Likewise.
10073 (INSN_DEAD_CODE_P): Likewise.
10074 * ssa.c: Replaced inclusions with ssa.h inclusion.
10075 (CONVERT_HARD_REGISTER_TO_SSA_P): Moved to ssa.h.
10076 (rename_registers): Removed unnecessary variables.
10077 * ssa.h: Created by moving declarations from ssa.c and
10079 * timevar.def: Defined TV_DEAD_CODE_ELIM.
10080 * toplev.c: Added ssa.h inclusion.
10081 (dump_file_index): Added DFI_dce.
10082 (dump_file): Added "dce" entry.
10084 (f_options): Added dce entry.
10085 * invoke.texi: Document -fdce. Emphasize experimental status of
10089 2000-08-01 Zack Weinberg <zack@wolery.cumb.org>
10091 * cpperror.c (v_message): Split into _cpp_begin_message and
10092 v_message macro. All callers updated.
10093 (_cpp_begin_message): Do inhibit_errors/inhibit_warnings
10096 * cppfiles.c (cpp_syshdr_flags): New function.
10097 (read_include_file): Don't call cpp_output_tokens. Call
10099 * cppinit.c (dump_macros_helper): Moved to cppmain.c.
10100 (cpp_reader_init): Don't initialize token_buffer. Call
10101 _cpp_init_internal_pragmas.
10102 (cpp_cleanup): Don't clear token_buffer.
10103 (cpp_start_read): Don't worry about output from -D processing.
10104 Don't call cpp_output_tokens.
10105 (cpp_finish): Don't dump macros here. Don't call
10107 * cppmacro.c (_cpp_dump_definition): Rename
10108 cpp_dump_definition. Write directly to a FILE *.
10109 (dump_funlike_macro): Delete.
10110 (dump_macro_args): New.
10112 * cpplex.c (TOKEN_LEN): Convert to inline function.
10113 (_cpp_grow_token_buffer, safe_fwrite, cpp_output_tokens,
10114 cpp_scan_line, _cpp_dump_list): Delete.
10115 (cpp_printf, cpp_output_list): New.
10116 (output_line_command): Don't worry about entering or leaving files.
10117 (cpp_scan_buffer): Just output each token as we hit it.
10118 (process_directive): Don't call cpp_output_tokens.
10119 (_cpp_glue_header_name): Don't use token_buffer.
10120 (output_token, dump_param_spelling): Write directly to a FILE *.
10122 * cpplib.c (pass_thru_directive, dump_macro_name,
10123 pragma_dispatch, do_pragma_gcc): Delete.
10124 (do_define, do_undef, parse_include, do_line, do_ident, do_pragma,
10125 do_pragma_poison, cpp_pop_buffer): Call the appropriate hook
10127 (do_error, do_warning, pragma_dependency): Call
10128 _cpp_begin_message, then cpp_output_list.
10129 (cpp_register_pragma, cpp_register_pragma_space,
10130 _cpp_init_internal_pragmas): New.
10131 (do_pragma): Walk the pragmas table here.
10132 (do_pragma_once, do_pragma_poison, do_pragma_system_header,
10133 do_pragma_dependency): Return void.
10134 (do_pragma_implementation): Moved to cppmain.c.
10136 * cpplib.h: Update prototypes.
10137 (struct cpp_reader): Remove printer, token_buffer,
10138 token_buffer_size, and limit. Add struct cb, and pragmas.
10139 (struct cpp_printer): Remove last_id and written.
10140 (CPP_WRITTEN, CPP_PWRITTEN, CPP_SET_WRITTEN,
10141 CPP_ADJUST_WRITTEN): Delete.
10142 * cpphash.h: Update prototypes.
10143 (ufputs): New wrapper.
10145 * cppmain.c (cb_define, cb_undef, cb_include, cb_ident,
10146 cb_enter_file, cb_leave_file, cb_def_pragma): New functions.
10147 (main): Set up callbacks. Register #pragma implementation.
10148 Dump macros from here.
10150 2000-08-01 Geoff Keating <geoffk@cygnus.com>
10152 * rtl.h (enum reg_note): Add REG_MAYBE_DEAD.
10153 * rtl.c (reg_note_name): Add REG_MAYBE_DEAD.
10154 * flow.c (propagate_one_insn): Allow deletion of prologue/epilogue
10155 insns if they have a REG_MAYBE_DEAD note attached.
10156 * config/rs6000/rs6000.c (rs6000_maybe_dead): New function.
10157 (rs6000_emit_load_toc_table): TOC loads may go dead.
10159 2000-08-01 Jim Wilson <wilson@cygnus.com>
10161 * config/ia64/ia64.c (ia64_function_arg): Fix last change. Verify
10162 type exists before using it. Use number of words as alignment
10164 (ia64_function_arg_partial_nregs, ia64_function_arg_advance,
10165 ia64_va_arg): Propagate ia64_function_args changes here.
10167 2000-08-01 Richard Henderson <rth@cygnus.com>
10169 * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Care for null DECL.
10170 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
10172 2000-08-01 Bernd Schmidt <bernds@cygnus.co.uk>
10174 From Joern Rennecke:
10175 * sh.h (CPP_SPEC, TARGET_SWITCHES): Add m4-nofpu.
10176 * sh.md (udivsi3, divsi3): Don't use libcalls that use the FPU
10177 unless TARGET_SH3E is set.
10178 * t-sh (MULTILIB_MATCHES): Add m2=m4-nofpu.
10180 * sh.md (ashlsi3_d, ashlsi3_k): Remove, replace with
10181 (ashlsi3_std): New pattern.
10182 (ashlsi3 expander): Use it for TARGET_SH3.
10183 * sh.c (gen_ashift): Use it instead of ashlsi3_k.
10185 Tue Aug 1 12:34:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
10187 * loop.c (canonicalize_condition): Use destination, not source to
10188 determine SET's mode.
10190 2000-07-31 Mark Mitchell <mark@codesourcery.com>
10192 * flow.c (clear_log_links): Fix typo.
10194 Mon Jul 31 22:19:24 2000 Jeffrey A Law (law@cygnus.com)
10196 * loop.c (check_dbra_loop): Make change from July 17, 2000 work
10197 on targets which need more than one insn for a compare/cbranch
10200 2000-07-31 Jim Wilson <wilson@cygnus.com>
10202 * config/ia64/ia64.c (ia64_function_arg): Use alignment not size
10203 when computing offset.
10205 Mon Jul 31 20:35:50 2000 Denis Chertykov <denisc@overta.ru>
10207 * genpeep.c (main): Handle DEFINE_PEEPHOLE2.
10209 2000-07-31 Geoff Keating <geoffk@cygnus.com>
10211 * flow.c (clear_log_links): Nuke global_live_at_start and
10212 global_live_at_end data, since if the log_links stuff is invalid
10213 so is global_live_at_*.
10215 2000-07-31 Richard Henderson <rth@cygnus.com>
10217 * tm.texi (Addressing Modes): Clarify PRE/POST_MODIFY descriptions.
10219 2000-07-31 Jakub Jelinek <jakub@redhat.com>
10221 * cpplex.c (_cpp_get_line): If index is 0, return line 0 col 0.
10222 (_cpp_get_token): Don't macro expand a just pasted token if it
10223 was pasted at no_expand_level.
10225 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
10227 * cppmacro.c (find_param, count_params, save_expansion):
10228 Permit 'defined' as a macro parameter name.
10230 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
10232 * Makefile.in: Rename cpp to cpp0, tradcpp to tradcpp0, and
10233 xcpp to cpp throughout.
10234 (native): Remove unnecessary dependency on cpp.
10236 * gcc.c (trad_capable_cpp, C specs): Rename cpp to cpp,
10237 tradcpp to tradcpp0.
10238 (.i spec): Add missing output-file spec to cc1 command line.
10239 * objc/lang-specs.h: Rename cpp to cpp0 and/or tradcpp to tradcpp0.
10241 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
10243 * c-decl.c (mesg_implicit_function_declaration): Init to -1.
10244 (implicit_decl_warning): New function.
10245 (implicitly_declare): Use it.
10246 * c-typeck.c (build_external_ref): Use implicit_decl_warning
10247 to complain about implicit decls of builtins.
10249 * c-lang.c (lang_init): Set mesg_implicit_function_declaration
10250 based on pedantic && flag_isoc99, if not already set.
10251 * c-tree.h: Declare mesg_implicit_function_declaration.
10252 Prototype implicit_decl_warning.
10254 2000-07-30 Jeffrey D. Oldham <oldham@codesourcery.com>
10256 * Makefile.in (ssa.o): Updated header files in dependences.
10257 * basic-block.h: Added compute_immediate_postdominators declaration.
10258 * config/i386/i386.h (CONVERT_HARD_REGISTER_TO_SSA_P): Added
10260 * flow.c (compute_immediate_dominators): Updated comment.
10261 (compute_immediate_postdominators): Added definition.
10262 * rtl.h (HARD_REGISTER_P): Added definition.
10263 * ssa.c: Include additional header files.
10264 (assert): Added definition.
10265 (ssa_rename_to_lookup): Added to reimplement ssa_rename_to to
10266 include select hard registers.
10267 (ssa_rename_to_insert): Likewise.
10268 (ssa_rename_from_initialize): Likewise.
10269 (ssa_rename_from_lookup): Likewise.
10270 (original_register): Likewise.
10271 (ssa_rename_from_insert): Added to reimplement ssa_rename_from to
10272 include select hard reigsters.
10273 (ssa_rename_from_traverse): Likewise.
10274 (ssa_rename_from_free): Likewise.
10275 (ssa_rename_from_print): Likewise.
10276 (ssa_rename_from_print_1): Likewise.
10277 (ssa_rename_from_hash_function): Likewise.
10278 (ssa_rename_from_equal): Likewise.
10279 (ssa_rename_from_delete): Likewise.
10280 (simplify_to_immediate_dominators): Removed in favor of
10281 flow.c:compute_immediate_dominators.
10282 (find_evaluations_1): Modified to work with hard registers.
10283 (insert_phi_node): Likewise.
10284 (insert_phi_nodes): Likewise.
10285 (struct rename_set_data): Updated prev_reg comment.
10286 (create_delayed_rename): Modified to work with hard registers.
10287 (RENAME_NO_RTX): Updated comment.
10288 (apply_delayed_renames): Modified to work with hard registers.
10289 (rename_insn_1): Likewise and added handling of CLOBBER rtls.
10290 (rename_block): Updated to use revised ssa_rename_to interface.
10291 (rename_registers): Updated to use revised ssa_rename_to and
10292 ssa_rename_from interface.
10293 (convert_to_ssa): Revised to use compute_immediate_dominators and
10294 deal with hard registers.
10295 (make_regs_equivalent_over_bad_edges): Modified to work with hard
10296 registers. Added check for illegal unification of hard register.
10297 (make_equivalent_phi_alternatives_equivalent): Modified to work
10298 with hard registers.
10299 (compute_conservative_reg_partition): Likewise.
10300 (coalesce_if_unconflicting): Modified to work with hard registers
10301 and check for conflicting hard registers.
10302 (mark_phi_and_copy_regs): Revised loop to work only on pseudo
10304 (rename_equivalent_regs_in_insn): Modified to work with hard
10306 (record_canonical_element_1): Added definition.
10307 (check_hard_regs_in_partition): Added definition.
10308 (convert_from_ssa): Added data structure deallocation and check
10309 for illegal hard register unification.
10310 (conflict_hard_regs_p): Added definition.
10311 * toplev.c (rest_of_compilation): Added comment.
10313 2000-07-31 Anthony Green <green@redhat.com>
10315 * config/ia64/crtbegin.asm (__EH_FRAME_BEGIN__): Align correctly.
10317 2000-07-31 Jason McMullan <jmcmullan@linuxcare.com>
10319 * builtins.c (expand_builtin_apply): Don't defer pop during
10322 2000-07-31 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10324 * calls.c (combine_pending_stack_adjustment_and_call): Only use
10325 preferred_unit_stack_boundary when it is > 1.
10327 2000-07-31 Joseph S. Myers <jsm28@cam.ac.uk>
10329 * c-common.c (init_function_format_info): Add C99 format functions
10332 * c-decl.c (get_parm_info): Don't treat 'const void', 'volatile
10333 void' or 'register void' as being the special case of 'void' alone
10334 in a parameter list.
10336 * c-typeck.c (build_c_cast): Change -Wcast-qual pedwarn for
10337 discarding qualifiers into a plain warning.
10339 2000-07-31 Kazu Hirata <kazu@hxi.com>
10341 * combine.c: Fix formatting.
10343 * h8300.md: Fix formatting.
10345 * local-alloc.c: Fix formatting.
10347 * h8300.c (get_shift_alg): Remove the variable alg.
10348 (emit_a_shift): Rearrange code to improve readability.
10350 * h8300.md (movsi_h8300hs): Rearrange code to improve readability.
10352 * h8300.h (MODES_TIEABLE_P): Accept a combination of QImode and
10353 HImode on all architectures and a combination of HImode and SImode
10354 on H8/300H and H8/S.
10356 * h8300.c (split_adds_subs): Rearrange code for conciseness.
10358 Mon Jul 31 12:27:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
10360 * i386.md (addsi to lea splitter, ashlqi3_1_lea): Fix bugs
10361 in my last checkin.
10363 Mon Jul 31 10:41:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
10365 * recog.c (extract_insn): Set operand_mode according to
10366 operand if match_operand is VOIDmode.
10368 Mon Jul 31 10:36:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
10370 * recog.c (validate_replace_rtx_1): Do not abort for (nil) expression.
10372 2000-07-31 Geoff Keating <geoffk@cygnus.com>
10374 * c-parse.in (extdefs): Call ggc_collect between external
10377 2000-07-30 Michael Hayes <mhayes@cygnus.com>
10378 Richard Henderson <rth@cygnus.com>
10380 * Makefile.in (OBJS): Add doloop.o.
10381 * doloop.c: New file.
10383 * final.c (insn_current_reference_address): Return 0 before final.
10384 * flags.h (flag_branch_on_count_reg): Fix typos in commentary.
10385 * jump.c (any_uncondjump_p): Likewise.
10386 * loop.c (indirect_jump_in_function): Make static.
10387 (strength_reduce): Call doloop_optimize.
10388 (insert_bct, instrument_loop_bct): Remove.
10389 * loop.h (doloop_optimize): Prototype.
10390 * recog.c (split_all_insns): Split all INSN_P.
10391 * toplev.c (flag_branch_on_count_reg): Default on.
10393 * config/c4x/c4x.c (c4x_optimization_options): Don't set
10394 flag_branch_on_count_reg.
10395 * config/i386/i386.c (override_options): Likewise.
10396 * config/rs6000/rs6000.c (optimization_options): Likewise.
10398 * config/i386/i386.md (decrement_and_branch_on_count): Remove.
10400 (dbra_ge): Remove, as well as all it's splitters.
10402 * config/rs6000/rs6000.md (decrement_and_branch_on_count): Remove.
10405 * config/ia64/ia64-protos.h (ar_lc_reg_operand): Declare.
10406 (ia64_register_move_cost): Declare.
10407 * config/ia64/ia64.c (ar_lc_reg_operand): New.
10408 (struct ia64_frame_info): Add ar_size.
10409 (ia64_compute_frame_size): Set it.
10410 (save_restore_insns): Save and restore ar.lc.
10411 (ia64_register_move_cost): New, moved from header file. Handle
10412 application registers.
10413 (REG_AR_PFS, REG_AR_EC): Remove. Replace with AR_*_REGNUM numbers.
10414 (emit_insn_group_barriers): Special case doloop_end_internal.
10415 (ia64_epilogue_uses): Mark ar.lc live at end.
10416 * config/ia64/ia64.h (AR_CCV_REGNUM, AR_LC_REGNUM): New registers.
10417 (AR_EC_REGNUM, AR_PFS_REGNUM): New registers.
10418 (FIRST_PSEUDO_REGISTER): Make room.
10419 (AR_M_REGNO_P, AR_I_REGNO_P, AR_REGNO_P): New.
10420 (FIXED_REGISTERS, CALL_USED_REGISTERS): Update.
10421 (REG_ALLOC_ORDER): Update.
10422 (HARD_REGNO_MODE_OK): Update.
10423 (REGISTER_NAMES): Update.
10424 (enum reg_class): Add AR_M_REGS and AR_I_REGS.
10425 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
10426 (REGNO_REG_CLASS): Update.
10427 (LEGITIMATE_ADDRESS_DISP): Displacement range is 9 bits, not 10.
10428 (REGISTER_MOVE_COST): Move out of line.
10429 (PREDICATE_CODES): Update.
10430 * config/ia64/ia64.md (movdi patterns): Handle ar register classes.
10431 (addsi3_plus1_alt, adddi3_plus1_alt): New.
10432 (shladd_elim splitter): Allow constants in the predicate.
10433 (doloop_end, doloop_end_internal): New.
10435 2000-07-30 Richard Henderson <rth@cygnus.com>
10437 * genattrtab.c (struct insn_def): Add lineno member.
10438 (struct insn_ent): Likewise.
10439 (struct attr_desc): Likewise.
10440 (struct delay_desc): Likewise.
10441 (struct function_unit_op): Likewise.
10442 (struct function_unit): Likewise.
10443 (check_attr_value): Use message_with_line.
10444 (check_defs): Likewise.
10445 (expand_units): Likewise.
10446 (check_attr_test): Take a lineno argument.
10447 (gen_attr): Likewise.
10448 (gen_insn): Likewise.
10449 (gen_delay): Likewise.
10450 (gen_unit): Likewise.
10451 (main): Give it to them.
10452 (convert_set_attr_alternative): Take an insn_def argument
10453 instead of num_alt and insn_index.
10454 (convert_set_attr): Likewise.
10455 (write_test_expr): Protect INSN_ADDRESSES load
10456 with INSN_ADDRESSES_SET_P.
10458 2000-07-30 Richard Henderson <rth@cygnus.com>
10460 * flow.c (init_propagate_block_info): Use pc_set.
10462 Sun Jul 30 20:58:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
10464 * i386.md (*lea_general_[123]) New insns and splits.
10465 (addsi3 to lea splitter): Handle other modes too.
10466 (shlsi3 to lea splitter): Likewise.
10467 (addhi_1_lea, shlhi_1_lea): New patterns.
10468 (addhi_1, shlhi_1): Conditionize by PARTIAL_REG_STALL.
10470 Sun Jul 30 20:51:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
10472 * recog.c (general_operand, nonimmediate_operand): Accept
10473 any mode for VOIDmode CONSTANT_P operands.
10475 Sun Jul 30 20:42:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
10477 * gcse.c (try_replace_reg): Use validate_replace_rtx_subexp
10478 instead of replace_rtx.
10479 * recog.c (validate_replace_rtx_subexp): New function.
10480 * recog.h (validate_replace_rtx_subexp): Declare.
10482 Sun Jul 30 20:38:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
10484 * combine.c (simplify_set, make_extraction, make_compound_operation
10485 make_field_assignment): Use full mask instead of GET_MODE_MASK (mode)
10486 as force_to_mode argument.
10488 Sun Jul 30 20:30:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
10490 * combine.c (if_then_else_cond): Be sure that mode fits in
10493 Sun Jul 30 20:27:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
10495 * combine.c (record_promoted_value): Allow bitsize of mode
10496 to be equivalent to HOST_BITS_PER_WISE_INT.
10498 Sun Jul 30 20:25:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
10500 * function.c (assign_stack_local_1, assign_stack_temp_for_type):
10501 Do not call gen_mode_alignment when mode is BLKmode.
10503 Sun Jul 30 20:21:54 MET DST 2000 Jan Hubicka <jh@suse.cz>
10505 * loop.c (express_from_1): Fix call of simplify_gen_binary.
10507 Sun Jul 30 20:08:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
10509 * simplify-rtx.c (simplify_relational_operation): Verify that mode ==
10510 VOIDmode implies both operands to be VOIDmode.
10511 (simplify_ternary_operation): Compute properly the mode of comparison.
10512 * combine.c (combine_simplify_rtx): Likewise.
10514 2000-07-25 Michael Hayes <mph@paradise.net.nz>
10516 * basic-block.h (struct loops): New field rc_order.
10517 * flow.c (flow_loops_cfg_dump): Dump rc_order if computed.
10518 (flow_loops_free): Free rc_order.
10519 (flow_depth_first_order_compute): New parameter rc_order.
10520 (flow_loops_find): Allocate rc_order and swap usage with
10523 2000-07-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10524 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10526 * config/c4x/c4x.md (set_ldp_prologue): Add for RTL prologue/epilogue.
10527 (push_st, push_dp, pop_st, pop_dp, popqi_unspec): Likewise.
10528 (nodb_call, return_from_epilogue): Likewise.
10529 (return_from_interrupt_epilogue, prologue, epilogue): Likewise.
10530 * config/c4x/c4x.c (c4x_expand_prologue, c4x_expand_eplilogue): Add.
10531 * config/c4x/c4x-protos.h (c4x_interrupt_function_p): Add.
10532 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
10533 (c4x_valid_type_attribute_p): Likewise.
10534 * config/c4x/c4x.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Delete.
10535 (FUNCTION_BLOCK_PROFILER_EXIT): Convert to emit RTL.
10537 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10539 * config/c4x/c4x.c (c4x_emit_move_sequence): Use loadqi_big_constant
10540 and loadhi_big_constant if applicable.
10541 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant): Tweak
10542 and add new splitter.s
10544 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10546 * config/c4x/c4x.c (c4x_rptb_insert): Make more robust.
10548 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10550 * config/c4x/c4x.h (ASM_FORMAT_PRIVATE_NAME): Output $ in label.
10552 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10554 * config/c4x/c4x.h (IS_XXX_REGNO): Rewrite to avoid unsigned warnings.
10556 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10558 * config/c4x/libgcc.S (divqf3): Improve accuracy.
10560 2000-07-27 Mark Mitchell <mark@codesourcery.com>
10562 Put phi nodes after NOTE_INSN_BASIC_BLOCK.
10563 * rtl.h (NOTE_INSN_BASIC_BLOCK_P): New macro.
10564 * bb-reorder.c (get_next_bb_note): Use NOTE_INSN_BASIC_BLOCK_P.
10565 (get_prev_bb_note): Likewise.
10566 (remove_scope_notes): Likewise.
10567 * flow.c (commit_one_edge_insertion): Likewise.
10568 (merge_blocks_nomove): Likewise.
10569 (verify_flow_info): Likewise.
10570 * gcse.c (insert_insn_end_bb): Likewise.
10571 * reg-stack.c (emit_swap_insn): Likewise.
10572 * ssa.c (first_insn_after_basic_block_note): New function.
10573 (insert_phi_node): Use it.
10574 (rename_block): Likewise.
10575 (eliminate_phi): Likewise.
10576 (make_regs_equivalent_over_bad_edges): Likewise.
10577 (make_equivalent_phi_alternatives_equivalent): Likewise.
10578 (for_each_successor_phi): Likewise.
10579 (convert_from_ssa): Modify phi-node deletion algorithm.
10581 2000-07-29 Andreas Jaeger <aj@suse.de>
10583 * configure.in (mips*-*-linux*): Use mips*el to check for little
10584 endian MIPS, add tmake_file.
10586 * config/mips/linux.h (TARGET_VERSION): Use GNU/Linux.
10587 (SUBTARGET_CPP_SPEC): Default MIPS_ISA is 1.
10588 Patches by Maciej W. Rozycki <macro@ds2.pg.gda.pl>.
10590 2000-07-28 Richard Henderson <rth@cygnus.com>
10592 * config/ia64/ia64.c (ia64_print_operand): Fix typos.
10593 Sign extend mode size before negating.
10595 2000-07-28 Richard Henderson <rth@cygnus.com>
10597 * emit-rtl.c (gen_lowpart_common): Add missing 'c' variable.
10599 2000-07-28 Bernd Schmidt <bernds@cygnus.co.uk>
10601 * cse.c (canon_hash): Handle PRE_MODIFY/POST_MODIFY.
10602 (cse_insn): Likewise.
10603 (addr_affects_sp_p): Likewise.
10604 * expr.c (move_by_pieces): Likewise.
10605 (clear_by_pieces): Likewise.
10606 * gcse.c (oprs_unchanged_p): Likewise.
10607 * haifa-sched.c (sched_analyze_2): Likewise.
10608 * recog.c (offsettable_address_p): Likewise.
10609 * regclass.c (record_address_regs): Likewise.
10610 * reload.c (find_reusable_reload): Likewise.
10611 (push_reload): Likewise.
10612 (operands_match_p): Likewise.
10613 (decompose): Likewise.
10614 (find_reloads_address_1): Likewise.
10615 (find_inc_amount): Likewise.
10616 * reload1.c (elimination_effects): Likewise.
10617 * resource.c (mark_set_resources): Likewise.
10618 * flow.c (attempt_auto_inc): New function; mostly broken out
10620 (find_auto_inc): Split into two functions and enhanced to
10621 generate POST_MODIFY.
10622 * rtl.def (PRE_MODIFY, POST_MODIFY): Adjust comment.
10623 * rtl.h (count_all_occurrences): Declare.
10624 (HAVE_{PRE,POST}_MODIFY_{DISP,REG}): Provide default of 0 if not
10626 * rtlanal.c (count_all_occurrences): New function.
10627 * tm.texi (HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_DISP,
10628 HAVE_POST_MODIFY_REG, HAVE_PRE_MODIFY_REG): Document.
10630 * config/ia64/ia64-protos.h (destination_operand): Declare.
10631 * config/ia64/ia64.c (destination_operand): New function.
10632 (ia64_print_operand): Handle POST_MODIFY.
10633 (rtx_needs_barrier): Likewise.
10634 * config/ia64/ia64.h (HAVE_POST_MODIFY_DISP): Define to 1.
10635 (HAVE_POST_MODIFY_REG): Define to 1.
10636 (MAX_REGS_PER_ADDRESS): Change to 2.
10637 (GO_IF_LEGITIMATE_ADDRESS): Accept POST_MODIFY too.
10638 (LEGITIMATE_ADDRESS_REG): New helper macro.
10639 (LEGITIMATE_ADDRESS_DISP): Likewise.
10640 (PREDICATE_CODES): Add entry for destination_operand.
10641 * config/ia64/ia64.md (all mov patterns): Use destination_operand
10642 predicate for operand 0.
10644 2000-07-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10646 * dwarf2out.c: Indent #error directive.
10648 * gbl-ctors.h: Fix typo in comment.
10649 (__do_global_ctors): Prototype.
10651 * gcse.c (record_one_set, pre_delete): Remove unused variables.
10653 * rs6000.c (rs6000_maybe_dead): Delete unused prototype.
10654 (print_operand): Initialize variable `t'.
10656 2000-07-27 Aldy Hernandez <aldyh@redhat.com>
10658 * config/arm/arm.md ("call_value"): removed constraints.
10659 Constraints are ignored in expanders.
10660 (*call_value_reg): split =rf into various constraints.
10661 (*call_value_mem): same
10662 (*call_value_symbol): same
10663 (*sibcall_value_insn): same
10665 2000-07-28 Philipp Thomas <pthomas@suse.de>
10667 * install.texi (--enable-nls): Change the description of the NLS
10668 related configure options to match the current state.
10669 (--with-included-gettext): Likewise.
10670 (--enable-maintainer-mode): New description added.
10671 * extend.texi (-fstrict-prototype): Add missing '.'.
10673 2000-07-27 Jim Wilson <wilson@cygnus.com>
10675 * dwarf2out.c (gen_decl_die): Don't call gen_abstract_function if
10676 DECL_INITIAL (decl) == NULL_TREE.
10678 2000-07-27 Alexandre Oliva <aoliva@redhat.com>
10680 * Makefile.in (INSN_ATTR_H): New macro. Replace all dependencies
10681 on insn-attr.h with it.
10682 * genattr.c: Generate `#include "insn-addr.h"' if HAVE_ATTR_length.
10683 * insn-addr.h: New header.
10684 (insn_addresses_): Renamed from insn_addresses.
10685 (INSN_ADDRESSES_DEFN, INSN_ADDRESSES, INSN_ADDRESSES_ALLOC,
10686 INSN_ADDRESSES_FREE, INSN_ADDRESSES_SET_P, INSN_ADDRESSES_SIZE,
10687 INSN_ADDRESSES_NEW): New macros.
10688 * genattrtab.c (write_test_expr): Use new macros.
10689 * final.c (insn_addresses, init_insn_lengths): Likewise.
10690 (align_fuzz, shorten_branches): Likewise.
10691 (final): Likewise. Do not reject new insns if their addresses
10692 have been added to INSN_ADDRESSES.
10693 * config/arm/arm.c, config/avr/avr.c: Use new macros.
10694 * config/h8300/h8300.c, config/i370/i370.c: Likewise.
10695 * config/m88k/m88k.c, config/pa/pa.c, config/pa/pa.md: Likewise.
10696 * config/sparc/sparc.c, config/sparc/sparc.md: Likewise.
10697 * config/sh/sh.c: Likewise.
10698 (output_branchy_insn): Use INSN_ADDRESSES_NEW.
10700 * Makefile.in (bootstrap): Move -BstageN/ back to the beginning.
10702 2000-07-27 Andrew Cagney <cagney@b1.cygnus.com>
10704 * gcc.c (struct prefix_list): Add member priority.
10705 (enum path_prefix_priority): Declare.
10706 (add_prefix): Replace ``first'' with ``priority''. Append new
10707 entry but keep list in priority order.
10708 (process_command): Update. Pass PREFIX_PRIORITY_B_OPT or
10709 PREFIX_PRIORITY_LAST to add_prefix.
10710 (process_command): Move include kludge - foo/stageN - to before
10713 2000-07-27 Jason Merrill <jason@redhat.com>
10715 * dwarf2out.c (gen_typedef_die): Abort if we get identical
10716 TREE_TYPE and DECL_ORIGINAL_TYPE on a typedef.
10718 2000-07-27 RodneyBrown <RodneyBrown@pmsc.com>
10720 * expr.h (get_alias_set, lang_get_alias_set): Delete prototypes.
10721 * tree.h (get_alias_set, lang_get_alias_set): Prototype.
10723 2000-07-27 Joseph S. Myers <jsm28@cam.ac.uk>
10725 * c-decl.c (finish_function): Don't treat 'main' specially unless
10726 flag_hosted. In C99 mode, return 0 from 'main' unless
10727 DEFAULT_MAIN_RETURN is otherwise defined.
10729 * c-decl.c (store_parm_decls): In C99 mode, pedwarn for function
10730 parameters defaulting to int in an old-style function definition.
10732 2000-07-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10734 * c-parse.in (string): For -Wtraditional, warn about string
10735 concatenation only once per line.
10737 Thu Jul 27 09:25:17 2000 Akiko Matsushita <matusita@sra.co.jp>
10739 * pa/x-pa-hpux: Add -D_HIUX_SOURCE to FIXPROTO_DEFINES
10740 for HI-UX/WE2 systems.
10742 2000-07-24 Bruce Korb <bkorb@gnu.org>
10744 * fixincl/fixfixes.c(emit_gnu_type): rewrote to *rely* on GCC
10745 defining the __xxx_TYPE__ macros.
10746 * fixincl/fixincl.tpl(gnu_type_map): now obsolete
10747 * fixincl/fixlib.h: don't need to include "tm.h" anymore
10748 * fixincl/inclhack.def(type_map): now obsolete
10750 Thu Jul 27 11:54:17 2000 Andrew Cagney <cagney@b1.cygnus.com>
10752 * cpp.texi: Append a trailing full-stop to xrefs where needed.
10754 2000-07-26 Dave Pitts <dpitts@cozx.com>
10756 * i370.c: Remove LONGEXTERNAL ifdef from alias_number. Added hash
10758 (mvs_hash_alias): New function.
10759 (mvs_add_alias): Change argument spacing.
10760 (mvs_need_alias): Change aliasing criteria. Added documentation.
10761 (mvs_get_alias): Change to use hashed name. The hashed name prevents
10762 CSECT name collisions.
10763 (mvs_check_alias): Likewise.
10764 (handle_pragma): Change documentation.
10765 * i370.md (mulsi3, divsi3, udivsi3, modsi3, umodsi3): Changed gen_rtx
10766 mode from SImode to DImode.
10767 (iorhi3): Changed LTORG size for insn.
10769 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
10771 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
10772 mem if the address is a mode_dependent_address_p.
10774 2000-07-26 Kazu Hirata <kazu@hxi.com>
10776 * h8300.c (print_operand): Print ":8" when the 'R' operand is
10777 suitable for 8-bit absolute.
10778 * h8300.h (EIGHTBIT_CONSTANT_ADDRESS_P): New.
10779 (OK_FOR_U): Add a case for the 8-bit constant address on the
10782 Wed Jul 26 19:26:21 2000 Hans-Peter Nilsson <hp@axis.com>
10784 * varasm.c (assemble_variable) [! defined(ASM_OUTPUT_ALIGNED_COMMON)
10785 && ! defined (ASM_OUTPUT_ALIGNED_BSS]): Also test
10786 ! defined(ASM_OUTPUT_ALIGNED_DECL_COMMON) before complaining about
10787 lack of implemented alignment.
10789 2000-07-26 Geoffrey Keating <geoffk@cygnus.com>
10791 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETIC]: Handle
10792 cross-compiling between 64-bit and 32-bit machines.
10794 2000-07-27 Richard Henderson <rth@cygnus.com>
10796 * config/ia64/ia64.md (movqicc_astep, movqi_internal_astep): New.
10797 (movhicc_astep, movhi_internal_astep): New.
10798 (movsicc_astep, movsi_internal_astep): New.
10799 (movdicc_astep, movdi_internal_astep): New.
10800 (movsfcc_astep, movsf_internal_astep): New.
10801 (movdfcc_astep, movdf_internal_astep): New.
10802 (movxfcc_astep, movxf_internal_astep): New.
10803 (cmovdi_internal_astep, cmovsi_internal_astep): New.
10804 Unify the cmov[ds]i splitters.
10806 2000-07-27 Rodney Brown <RodneyBrown@pmsc.com>
10808 * real.c (asctoeg): Rename `error' label to unexpected_char_error
10810 2000-07-26 Nick Clifton <nickc@cygnus.com>
10812 * config/arm/vxarm.h (CPP_PREDEFINES): Remove definition of
10813 __arm__. Allow it to be defined by CPP_ISA_SPEC in arm.h
10815 * dwarf2out.c (dwarf2out_frame_debug_expr): Accept SEQUENCE as
10816 well as PARALLEL blocks in FRAME_RELATED_EXPR notes.
10818 2000-07-26 Alexandre Oliva <aoliva@redhat.com>
10820 * c-decl.c (finish_enum): Convert enumerations that fit in an
10822 (build_enumerator): In pedantic mode, cast to `int' those that
10825 2000-07-25 Rodney Brown <RodneyBrown@pmsc.com>
10827 * config/alpha/osf.h (SIZE_TYPE, PTRDIFF_TYPE): New.
10829 Tue Jul 25 23:08:33 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10831 * sh.md (cmpgtdi_t): Must be split.
10832 (cmpgtdi_t+1): New splitter.
10834 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
10836 * cpplib.c (_cpp_check_directive): Issue -Wtraditional
10837 warnings for indented directives even if we are skipping.
10839 2000-07-25 Nathan Sidwell <nathan@codesourcery.com>
10841 * invoke.texi (strict-prototypes): Remove.
10842 * extend.texi (Deprecated Features): Add strict-prototypes.
10843 (Backwards Compatibility): New node.
10845 2000-07-25 Jakub Jelinek <jakub@redhat.com>
10847 * config/i386/i386.md (andsi_1+1): Allow HImode.
10848 (andsi_1+2): Require q_regs_operand.
10850 2000-07-25 Jakub Jelinek <jakub@redhat.com>
10852 * config/i386/i386.md (call_pop): Check operands[0],
10853 not operands[1]. Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
10855 (call_value_pop): Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
10856 (call_value): Likewise.
10858 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
10860 * toplev.c (pipe_closed): Delete.
10861 (crash_signal): New. Generate ICE for a fatal signal.
10862 (float_signal): Call crash_signal outside a float-handler
10864 (main): Install crash_signal as handler for core-dumping signals.
10866 2000-07-25 David Edelsohn <edelsohn@gnu.org>
10868 * rs6000.c (print_operand, case 'T'): New case.
10870 * rs6000.md (call_indirect_aix32): Convert to expander of
10871 scheduled instructions.
10872 (call_indirect_aix64): Likewise.
10873 (call_value_indirect_aix{32,64}): Likewise.
10874 (call, call_value): Invoke expanders for AIX. Fall through to
10876 (call_indirect_nonlocal_aix{32,64}): New patterns (ctr and lr).
10877 (call_value_indirect_nonlocal_aix{32,64}): New patterns.
10878 (call_nonlocal_aix32): Remove CALL_LONG alternative. Operand 1
10879 only "g" constraint.
10880 (call_nonlocal_aix64): Likewise.
10881 (call_value_nonlocal_aix{32,64}): Likewise.
10882 (call_nonlocal_sysv): New pattern for ctr, lr, and symbolic
10884 (call_value_nonlocal_sysv): New pattern.
10885 (indirect_jump{si,di}): Use new 'T' modifier.
10886 (tablejump{si,di} matchers): Likewise.
10887 (return_internal_{si,di}): Likewise.
10888 (return_eh_{si,di}): Likewise.
10890 2000-07-24 Richard Henderson <rth@cygnus.com>
10892 * config/ia64/ia64.c (ia64_print_operand): Handle "%,".
10893 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): Likewise.
10894 * config/ia64/ia64.md (movdi_internal): Use it.
10896 2000-07-24 Zack Weinberg <zack@wolery.cumb.org>
10898 * cppexp.c: Warn about unary + if -Wtraditional.
10899 * cpplex.c (lex_line): Always set BOL on the first token of a line.
10901 2000-07-24 Michael Meissner <meissner@redhat.com>
10903 * d30v.h (FUNCTION_ARG_KEEP_AS_REFERENCE): Delete references to
10906 2000-07-24 Nick Clifton <nickc@cygnus.com>
10908 * config/arm/arm.c (emit_multi_reg_push): Generate a
10909 REG_FRAME_RELEATED_NOTE that is compatable with the code in
10910 dwarf2out_debug_frame_expr.
10912 2000-07-24 Jason Merrill <jason@redhat.com>
10914 * dwarf2out.c: Complain if DWARF2_DEBUGGING_INFO is defined without
10915 UNALIGNED_INT_ASM_OP.
10916 (def_cfa_1): Don't emit def_cfa_register or def_cfa_offset to adjust
10917 a location expression.
10918 (dwarf2out_frame_debug_expr): Lose cfa_old_reg stuff. Don't
10919 assume indirect access if we're saving the CFA address exactly.
10921 * Makefile.in (bootstrap): Move -BstageN/ to the end.
10923 2000-07-24 Jakub Jelinek <jakub@redhat.com>
10925 * tradcpp.c (main): Update max_include_len for cpp_include_defaults
10928 2000-07-24 Michael Meissner <meissner@redhat.com>
10930 * invoke.texi (D30V Options): Add d30v options.
10932 Mon Jul 24 02:04:52 2000 Jeffrey A Law (law@cygnus.com)
10934 * gcse.c (alloc_pre_mem): Do not alloc TRANSPOUT, it is not
10935 needed by our gcse pass anymore.
10936 (free_pre_mem): Corresponding changes.
10937 (compute_pre_data): Do not call compute_transpout anymore.
10939 * gcse.c (alloc_avail_expr_mem): Kill unused 'u_bitmap'.
10940 (free_avail_expr_mem, alloc_pre_mem, free_pre_mem): Corresponding
10943 * gcse.c (free_pre_mem): Do not free ANTLOC and AE_KILL here.
10944 (compute_pre_data): Do it here instead.
10946 * gcse.c (alloc_pre_mem, free_pre_mem): Delete unused bitmap
10948 (pre_delete): Corresponding changes.
10950 2000-07-23 Mark Mitchell <mark@codesourcery.com>
10952 * c-semantics.c (make_rtl_for_local_static): Use TREE_ASM_WRITTEN
10953 to figure out whether or not a variable has already been emitted.
10955 Sun Jul 23 14:49:12 2000 Jason Eckhardt <jle@cygnus.com>
10957 * config/i860/i860.md (untyped_call expander): Use GEN_CALL
10958 instead of gen_call.
10960 Sun Jul 23 11:52:03 2000 George Helffrich (george@gly.bris.ac.uk)
10962 * dbxout.c (dbxout_type, case COMPLEX_TYPE): Fix length field in stab.
10964 2000-07-23 Kazu Hirata <kazu@hxi.com>
10966 * h8300.c: Fix formatting.
10968 2000-07-23 Joseph S. Myers <jsm28@cam.ac.uk>
10970 * c-typeck.c (c_expand_start_case): Change -Wtraditional pedwarn
10971 for `long' switch expression into a plain warning.
10973 * c-lex.c (init_lex): Keep the "inline" keyword in C99 mode.
10974 (yylex): Don't pedwarn for "inline" in C99 mode.
10976 * bitmap.c (debug_bitmap_file): Cast pointers to PTR for printing
10978 * ggc-page.c (debug_print_page_list, alloc_page, free_page,
10979 ggc_alloc): Likewise.
10980 * bb-reorder.c (dump_scope_forest_1): Likewise.
10982 2000-07-22 Aldy Hernandez <aldyh@redhat.com>
10984 * reload.c (find_reloads_toplev): Add new parameter
10985 "address_reloaded".
10986 (find_reloads): Add new parameter to find_reloads_toplev calls.
10988 2000-07-22 Jeffrey Oldham <oldham@codesourcery.com>
10990 * collect2.c (main): Typo fixed.
10991 * diagnostic.c: Typo fixed.
10992 * dwarf2out.c (dwarf2out_frame_debug_expr): Typo fixed.
10993 * eh-common.h: Typo fixed.
10994 * emit-rtl.c (start_sequence): Typo fixed.
10995 * flow.c (find_label_refs): Typo fixed.
10996 (calculate_global_regs_live): Typo fixed.
10997 (mark_regno_cond_dead): Typo fixed.
10998 (create_edge_list): Typos fixed.
10999 (verify_edge_list): Typo fixed.
11000 * ggc-common.c (ggc_mark_rtx_children): Typo fixed.
11001 * loop.c (strength_reduce): Typo in function name fixed.
11002 * rtl.h: Added comments. Typo in function name fixed.
11003 * rtlanal.c: Typo in function name fixed.
11004 (insn_dependant_p): Rename to ...
11005 (insn_dependent_p): ... this.
11006 (computed_jumo_p): Typo fixed.
11008 2000-07-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11010 * system.h (__FUNCTION__): Wrap definition in #ifndef.
11012 2000-07-21 David Edelsohn <edelsohn@gnu.org>
11014 * rs6000.h (SIZE_TYPE): Define.
11016 2000-07-21 Mark Mitchell <mark@codesourcery.com>
11018 * ssa.c (rename_insn_1): Don't rename registers that are
11021 2000-07-21 Zack Weinberg <zack@wolery.cumb.org>
11023 * diagnostic.c (trim_filename, fancy_abort): Moved here from
11025 (fatal_function, set_fatal_function): Removed.
11026 (fatal): Don't prepare for or call the fatal_function.
11027 (diagnostic_lock, error_recursion): New.
11028 (diagnostic_for_decl, report_diagnostic): Guard against
11029 re-entering the error reporting routines.
11030 (fancy_abort): Assume function is not NULL.
11032 * errors.c (fancy_abort): New. Assume function is not NULL.
11033 * tradcpp.c (fancy_abort): Assume function is not NULL.
11035 * system.h: Provide default definition of __FUNCTION__.
11036 * rtl.h: Use __FUNCTION__ not __PRETTY_FUNCTION__ throughout.
11037 Always use __FUNCTION__ in definition of abort.
11038 * tree.h: Likewise.
11039 * varray.h: Likewise.
11040 * toplev.h: Likewise. Don't prototype set_fatal_function.
11042 2000-07-20 Geoff Keating <geoffk@cygnus.com>
11044 * config/rs6000/aix43.h (CPP_SPEC): Define __LONG_MAX__ correctly
11046 * glimits.h: Don't do #if defined for ARCH_PPC.
11048 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): All
11049 constants of size no larger than a pointer should go in the TOC.
11050 Add 'MODE' parameter.
11051 (LEGITIMIZE_RELOAD_ADDRESS): Add MODE parameter to
11052 ASM_OUTPUT_SPECIAL_POOL_ENTRY_P.
11053 (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Likewise.
11054 * config/rs6000/aix.h (SELECT_RTX_SECTION): Likewise.
11055 * config/rs6000/netware.h (SELECT_RTX_SECTION): Likewise.
11056 * config/rs6000/rs6000.c (constant_pool_expr_1): Likewise.
11057 (rs6000_legitimize_address): Likewise.
11058 (rs6000_emit_move): Likewise.
11059 (rs6000_select_rtx_section): Likewise.
11060 (output_toc): Deal properly with outputting small constants like
11061 HImode, and SFmode in 32-bit mode, and DFmode in 64-bit mode.
11062 * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Add
11063 MODE parameter. Put small constants in the TOC.
11065 * config/rs6000/rs6000.c (easy_fp_constant_p): All constants are
11067 (rs6000_emit_move): When reload calls us with an illegitimate
11068 address, exit early. Move the change_address calls to one place
11069 at the end of the routine. Merge the SImode and DImode expanders.
11070 When called by reload to put an integer into a FP register, force
11073 * config/rs6000/rs6000.c (struct toc_hash_struct): Add 'key_mode'
11075 (rs6000_hash_constant): Hash mode too.
11076 (toc_hash_function): Allow for key_mode.
11077 (toc_hash_eq): Structures are different if key_mode differs.
11078 (output_toc): Add 'mode' parameter. Save key_mode.
11079 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY):
11080 Pass 'mode' parameter.
11081 * config/rs6000/rs6000-protos.h (output_toc): Add 'mode' param.
11083 * config/rs6000/rs6000.c (output_toc): Use RS6000_OUTPUT_BASENAME
11084 for vtable references.
11086 * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): If we have a
11087 choice, don't put integer values in FP regs.
11089 Thu Jul 20 18:13:52 2000 Jeffrey A Law (law@cygnus.com)
11091 * flow.c (verify_flow_info): Revamp code to verify that the
11092 head and end of each basic block are in the insn chain.
11094 Thu Jul 20 18:02:35 2000 Michael Matz <matzmich@cs.tu-berlin.de>
11096 * gcse.c (record_one_set): Prepend instead of append onto
11097 reg_set_table, making it O(n) instead O(n^2).
11098 * lcm.c (compute_antinout_edge,compute_laterin,compute_available):
11099 Use a queue instead of a stack as worklist.
11101 2000-07-20 Kazu Hirata <kazu@hxi.com>
11103 * h8300.c (two_insn_adds_subs_operand): Fix a typo.
11104 * h8300.h (OK_FOR_T): New.
11105 (EXTRA_CONSTRAINT): Support OK_FOR_T.
11106 * h8300.md: Use inc/dec.[wl] for increment/decrement
11107 by 1 and 2 in HI and SI modes.
11109 2000-07-20 Jim Wilson <wilson@cygnus.com>
11111 * config/ia64/ia64.h (ASM_OUTPUT_MI_THUNK): Handle DELTA values
11112 larger than 14 bits.
11114 2000-07-20 Zack Weinberg <zack@wolery.cumb.org>
11116 * cppmacro.c (CAN_PASTE_AFTER): New macro.
11117 (count_params): Don't set GNU_REST_ARGS on anything.
11118 (save_expansion): Set PASTE_LEFT only on tokens for which
11119 CAN_PASTE_AFTER is true, or which are named operators.
11121 * cpplex.c (parse_args): Distinguish between a rest argument
11122 given one empty argument, and a rest argument given zero arguments.
11123 (maybe_paste_with_next): Look for VOID_REST tag, and trigger
11124 deletion of previous token based on that.
11125 (get_raw_token): Flatten some control structure.
11127 * cpplib.h (CPP_LAST_EQ): Correct.
11128 (VOID_REST): New token flag.
11129 (GNU_REST_ARGS): Delete.
11131 * tradcpp.c (main): Don't munge -D options.
11132 (make_definition): Bring -D handling in line with cpplib.
11133 (do_define): Strip all leading whitespace from macro definitions.
11135 2000-07-20 David Billinghurst <David.Billinghurst@riotinto.com.au>
11137 * Makefile.in (tradcpp): Depend on intl.o and version.o.
11139 2000-07-20 Bruce Korb <bkorb@gnu.org>
11141 * fixincl/check.tpl: strip the platform specific types before testing
11142 * fixincl/fixfixes.c(gnu_type_fix): use platform specific types
11143 * fixincl/fixincl.tpl: use platform specific types
11144 * fixincl/fixlib.h: include the platform specific types
11145 * fixincl/inclhack.def(gnu_types): don't supply the types
11146 * fixincl/fixincl.x: regen
11148 2000-07-19 Jim Wilson <wilson@cygnus.com>
11150 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): Don't allow XFmode in
11153 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
11155 * tradcpp.c (rescan): Do not recognize directives when the #
11158 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
11160 Implement C++ named operators.
11162 * cpplib.h (TTYPE_TABLE): Move CPP_MIN and CPP_MAX into block
11163 of operators allowed in #if and having an _EQ variant. Add
11164 CPP_MIN_EQ, CPP_MAX_EQ, and CPP_DEFINED.
11165 (cpp_token flags): Add NAMED_OP.
11166 (enum node_type): Add T_OPERATOR.
11167 (struct cpp_hashnode): Add code slot to value union.
11168 * cpphash.h (spec_nodes): Remove n_defined.
11170 * cpplex.c (lex_line): Convert T_OPERATOR nodes to their proper types.
11171 (spell_token, can_paste, maybe_paste_with_next): Handle named operators.
11172 (is_macro_disabled): Tweak error messages.
11174 * cpplib.c (get_define_node): Disallow all named operators as
11175 macro names. Tweak error messages.
11176 (_cpp_init_stacks): Don't set up spec_nodes->n_defined.
11178 * cppinit.c (builtin_array): Add entries for the named operators.
11179 * cppexp.c (lex): Check for CPP_DEFINED token.
11180 (priority table): Add entries for CPP_MIN and CPP_MAX.
11181 (_cpp_parse_expr): Handle CPP_MIN and CPP_MAX.
11183 2000-07-19 Bernd Schmidt <bernds@cygnus.co.uk>
11185 * gcse.c (INSN_CUID): If ENABLE_CHECKING, abort if the uid is
11186 larger than the array of cuids.
11187 (alloc_gcse_mem): Use uid_cuid rather than INSN_CUID when computing
11190 2000-07-19 Bruce Korb <bkorb@gnu.org>
11192 * fixinc/fixincl.c: Convert to using a table of environment variables
11193 and activate the auto-edit marker on the fixed output files.
11194 * fixinc/fixlib.h: Define the environment table
11195 * fixinc/fixincl.sh: export the ${INPUT} dir
11196 * fixinc/check.tpl: likewise
11198 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
11200 * gcc.c (.h spec): Fix typo.
11202 Wed Jul 19 01:22:15 CEST 2000 Marc Espie <espie@cvs.openbsd.org>
11204 * Makefile.in: Fix tradcif.c path.
11206 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
11208 * cpplib.h (TTYPE_TABLE): Rearrange to use only two per-entry
11211 * cpphash.h (TOKEN_NAME): New macro.
11212 (_cpp_spell_operator): Deleted.
11213 (token_spellings): Now _cpp_token_spellings.
11215 * cppexp.c: Use TOKEN_NAME or TYPE_NAME, not _cpp_spell_operator.
11216 * cpplex.c: Use OP and TK macros when expanding the
11217 TTYPE_TABLE. Eliminate token_names. For non-OPERATOR tokens,
11218 store the stringification of the enumeration name (CPP_CHAR,
11219 etc.) in the name slot of token_spellings.
11220 Use TOKEN_NAME and/or TOKEN_SPELL, do not reference
11221 token_spellings directly.
11222 * cpplib.c: Use TOKEN_SPELL.
11224 * cpplex.c (_cpp_push_token): If the token being pushed back
11225 is the previous token in this context, just subtract one from
11227 * cppmacro.c (save_expansion): Clear aux field when storing a
11230 2000-07-18 Jakub Jelinek <jakub@redhat.com>
11232 * cpplex.c (cpp_scan_buffer): Output line command even at the stop
11233 buffer, provided it is not NULL.
11235 2000-07-18 Alexandre Oliva <aoliva@redhat.com>
11237 * c-decl.c (duplicate_decls): Do not call make_var_volatile() in
11238 case of invalid volatile re-declaration.
11240 2000-07-18 Jakub Jelinek <jakub@redhat.com>
11242 * calls.c (store_arg): Return non-zero if sibcall_failure is desired.
11243 (expand_call): Adjust caller.
11245 2000-07-17 Gabriel Dos Reis <gdr@codesourcery.com>
11247 * diagnostic.h (report_diagnostic): Change prototype.
11249 * diagnostic.c (output_do_verbatim, diagnostic_for_asm,
11250 diagnostic_for_decl): Change prototype.
11251 (error_with_decl, warning_with_decl, pedwarn_with_decl, warning,
11252 error, warning, error_with_file_and_line,
11253 warning_with_file_and_line, pedwarn_with_file_and_line, fatal):
11254 Adjust call to report_diagnostic, diagnostic_for_decl.
11255 (error_for_asm, warning_for_asm): Adjust call to diagnostic_for_asm.
11256 (output_verbatim, verbatim): Adjust call to output_do_verbatim.
11258 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic. End
11259 varaible argument list.
11261 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
11263 * cpphash.c: Don't include hashtab.h. Most macro-handling code
11264 moved to cppmacro.c.
11265 (hash_HASHNODE, eq_HASHNODE, _cpp_dump_macro_hash,
11266 dump_hash_helper): Delete.
11267 (expand_hash, higher_prime_number, _cpp_lookup_with_hash,
11268 cpp_forall_identifiers): New. Implement specialized version of
11269 Vlad's expandable hash table.
11270 (cpp_lookup): Use new functions.
11271 (_cpp_init_macros, _cpp_cleanup_macros): Adjust for new
11273 * cppmacro.c: New file.
11274 * cppinit.c (dump_macros_helper): New.
11275 (cpp_finish): Iterate over the identifier table directly.
11276 * cpplex.c (parse_name): Calculate the hash of the identifier
11277 while we scan it. Use _cpp_lookup_with_hash when we can.
11279 * cpphash.h: Update prototypes.
11280 (xcnewvec, HASHSTEP): New helper macros.
11281 * cpplib.h: Update prototypes.
11282 * Makefile.in (LIBCPP_OBJS): Add cppmacro.o.
11283 (cppmacro.o): New rule.
11284 (cpphash.o): Update deps.
11286 * cppmain.c: Do not set pfile->printer if no_output is on.
11288 2000-07-15 Neil Booth <neilb@earthling.net>
11290 * cpplib.c: Change all directive-handler functions to return
11292 * cpphash.h: Update typedefs.
11294 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
11296 * configure: Regenerate.
11298 * extend.texi (Extended Asm): Mention that a memory clobber
11299 does not count as a side-effect.
11301 * unroll.c (copy_loop_body): Fix one instance of using host
11302 arithmetic on the target; fixes loop-4 on a 32-bit -> 64-bit
11305 * tlink.c (scan_linker_output): Tweak for output of AIX ld.
11307 2000-07-17 Richard Henderson <rth@cygnus.com>
11309 * config/ia64/ia64.md (movdi): Split out load address code.
11310 New post-reload splitter for symbolic operands.
11311 (movdi_internal): Abort if we didn't split symbolic operands
11312 when we should have.
11313 * config/ia64/ia64.c (ia64_expand_load_address): New, from movdi bits.
11314 (ia64_reorg): Split insns when not optimizing.
11315 * config/ia64/ia64-protos.h (ia64_expand_load_address): Declare.
11317 Mon Jul 17 23:43:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
11319 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Use LONG_DOUBLE_TYPE_SIZE
11320 instead of MAX_LONG_DOUBLE_TYPE_SIZE to decide output format.
11322 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
11324 * loop.c (check_dbra_loop) : Changed loop_continue to loop->cont.
11326 2000-07-17 Jason Merrill <jason@redhat.com>
11328 * Makefile.in (clean): Remove libgcc directory.
11330 * configure.in (-Wno-long-long check): Use higher-level macros.
11332 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
11334 * simplify-rtx.c (simplify_binary_operation): Recognize
11335 (compare (gt[u] (cc) 0) (lt[u] (cc) 0)).
11336 (simplify_ternary_operation): Do not examine MODE_BITSIZE of
11337 a CONST_INT, it will always be zero.
11339 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
11341 * loop.c (check_dbra_loop) : Return if more than one condition is
11342 present to control the loop.
11344 Mon Jul 17 08:26:35 2000 Clinton Popetz <cpopetz@cygnus.com>
11346 * mips.c (mips_expand_prologue): Don't calculate the last argument
11347 register unless we need it. When we are calculating this, make
11348 sure FUNCTION_ARG is giving us a REG.
11350 2000-07-17 Stephane Carrez <Stephane.Carrez@worldnet.fr>
11352 * flow.c (libcall_dead_p): Use single_set to verify the insn
11353 has only one set and get for analysis.
11354 (propagate_one_insn): Don't pass the PATTERN of the insn.
11356 2000-07-17 Mark Klein <mklein@dis.com>
11358 * pa.c (emit_hpdiv_const): Update to match new pattern for udivsi3.
11360 2000-07-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
11362 * Makefile.in (TARGET_GETGROUPS_T): New configuration variable.
11363 * configure.in (TARGET_GETGROUPS_T): Evaluate.
11364 * sys-protos.h (getgroups): Use TARGET_GETGROUPS_T for array type
11365 of second argument of getgroups.
11366 * configure, config.in: Rebuilt.
11368 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
11370 * simplify-rtx.c (simplify_relational_operation): Two signed
11371 values with equal high words are less/greater than each other if
11372 their low words are less/greater when considered as unsigned.
11374 Mon Jul 17 02:37:06 2000 Marc Espie <espie@openbsd.org>
11376 * configure.in (vax-*-openbsd): Change to new style configuration,
11377 add collect2/float_format information.
11378 * configure: Rebuilt.
11379 * config/vax/openbsd1.h: New.
11380 * config/vax/openbsd.h: New.
11381 * config/vax/t-openbsd: New.
11383 2000-07-17 Chip Salzenberg <chip@valinux.com>
11385 * c-common.c (shorten_compare): Quiet warnings about unsigned
11386 comparisons with zero when they occur in a system header.
11388 2000-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
11390 * invoke.texi (-pedantic): Refer to ISO C instead of ANSI C, and
11391 update to describe current practice.
11393 * glimits.h (LLONG_MIN, LLONG_MAX, ULLONG_MAX): Define for C99.
11395 * contrib.texi, cpp.texi, extend.texi, invoke.texi: Update
11396 references to C9X. Change references to -fstd and -flang-isoc9x
11399 * c-common.c (scan_char_table): Allow "z" length modifiers on
11401 (check_format_info): Use TYPE_DOMAIN on the type matched against
11402 for "z" formats, to retrieve the language size_t rather than the
11405 * c-common.c (check_format_info): Do not make a pedantic objection
11406 to the 'L' length modifier if used with a floating point type
11409 * c-lex.c (yylex): Don't pedwarn for hexadecimal floating point
11410 constants in C99 mode.
11412 2000-07-17 Kazu Hirata <kazu@hxi.com>
11414 * h8300.md: Fix the format of mac.
11415 (movsi_h8300hs): Output a tab after stmac instead of a space.
11417 * h8300.c (two_insn_adds_subs_operand): Improve code for detecting
11418 profitable adds/subs sequences.
11420 * fold-const.c: Fix comment typos.
11422 2000-07-16 Laurynas Biveinis <lauras@softhome.net>
11424 * cppfiles.c (read_name_map): Set map_list_ptr->map_list_map to NULL.
11426 2000-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11428 * fixinc/fixfixes.c (emit_gnu_type): Avoid string concatenation.
11430 2000-07-16 Neil Booth <NeilB@earthling.net>
11432 * cpplex.c: Update comments.
11433 * README.Portability: Small update.
11435 2000-07-16 Neil Booth <NeilB@earthling.net>
11437 * README.Portability: Small update.
11439 2000-07-15 Richard Henderson <rth@cygnus.com>
11441 * config/ia64/ia64-protos.h (ia64_move_ok): Prototype.
11442 * config/ia64/ia64.c (ia64_move_ok): New function.
11443 * config/ia64/ia64.md (movqi, movqi_internal): Use it.
11444 (movhi, movsi, movdi, movsf, movdf, movxf): Likewise.
11446 2000-07-15 Zack Weinberg <zack@wolery.cumb.org>
11448 * cpphash.c (save_expansion): Clear PREV_WHITE on tokens
11449 immediately following a paste operator.
11450 * cppinit.c (sort_options): New function (only for HOST_EBCDIC).
11451 (cpp_reader_init): Call it, if HOST_EBCDIC.
11452 (cpp_handle_options): Do not sort option list here.
11453 (handle_option): Rename to cpp_handle_option and export.
11454 * cpplex.c (cpp_scan_buffer_nooutput, cpp_scan_buffer): Use
11455 _cpp_get_token directly.
11456 (cpp_scan_line): Return 0 at EOF, 1 otherwise.
11457 * cpplib.c (cpp_push_buffer): Don't set new->lineno to 1.
11458 * cpplib.h: Prototype cpp_handle_option. Update prototype of
11461 2000-07-15 Richard Henderson <rth@cygnus.com>
11463 * fold-const.c (extract_muldiv): Don't optimize past an unsigned
11464 cast around an expression. Tidy other unsigned tests.
11466 2000-07-15 Gabriel Dos Reis <gdr@codesourcery.com>
11468 * diagnostic.c (doing_line_wrapping, line_wrapper_printf, notice,
11469 v_error_with_decl, v_warning_with_decl, v_pedwarn_with_decl): Remove.
11470 (v_message_with_decl): Rename to ...
11471 (format_with_decl): ... this. Tweak
11472 (diagnostic_for_decl): New function.
11473 (fatal_io_error): Use verbatim in lieu of notice.
11474 (announce_function): Use verbatim.
11475 (default_print_error_function): Likewise.
11476 (error_with_decl, warning_with_decl, pedwarn_with_decl): Use new
11479 2000-07-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11481 * mips.c (function_arg_pass_by_reference): Don't do automatic
11482 aggregate initialization.
11483 (machine_dependent_reorg): Initialize variable `mode'.
11485 * mips.md (absdi2): Change variable `regno1' to unsigned int.
11486 (reload_indi): Rename loword/hiword to lo_word/hi_word to avoid
11487 conflicts with sys/param.h macro of the same name.
11488 (reload_outdi): Likewise.
11490 2000-07-15 Michael Meissner <meissner@redhat.com>
11492 * fold-const.c (fold): When optimizing FOO++ == CONST into ++FOO
11493 == CONST + INCREMENT, don't overwrite the tree node for FOO++,
11494 create a new node instead.
11496 2000-07-15 Neil Booth <NeilB@earthling.net>
11498 * README.Portability: Correct example about calling a function
11499 through a pointer to function. Format wide paragraphs.
11501 2000-07-15 Michael Meissner <meissner@redhat.com>
11503 * README.Portability: Update integer suffixes and function
11504 prototype sections.
11506 2000-07-15 Neil Booth <NeilB@earthling.net>
11508 * README.Portability: Small update.
11510 2000-07-15 Neil Booth <NeilB@earthling.net>
11512 * README.Portability: New file.
11514 Fri Jul 14 18:13:53 2000 Mark P Mitchell <mark@codesourcery.com>
11516 * INSTALL: Give special instructions for building GCC on Irix 6.
11517 * config/mips/x-iris6 (CC): Don't set it.
11520 2000-07-14 Jason Merrill <jason@redhat.com>
11522 * dwarf2out.c (dwarf2out_frame_debug_expr): If we store the CFA
11523 register in the stack and later in another register, use the new
11526 Fri Jul 14 10:25:53 2000 Clinton Popetz <cpopetz@cygnus.com>
11528 * config/mips/mips.md: (absdi2): Handle sign_extend for
11531 2000-07-14 Nathan Sidwell <nathan@codesourcery.com>
11533 * cpplib.c (do_pragma_dependency): Tidy warning messages.
11535 2000-07-14 Zack Weinberg <zack@wolery.cumb.org>
11537 * .cvsignore: Correct typo.
11539 2000-07-13 Mark Mitchell <mark@codesourcery.com>
11541 * .cvsignore: Add generated YACC files.
11542 * objc/.cvsignore: New file.
11544 2000-07-14 Neil Booth <NeilB@earthling.net>
11546 * cpplex.c (adjust_column): New funcion.
11547 (skip_whitespace): Use it.
11548 (skip_block_comment): Use it, and warn about /*/* with
11551 2000-07-14 Neil Booth <NeilB@earthling.net>
11553 * cpphash.c (struct macro_info): Add new members.
11554 (_cpp_free_definition): Delete the macro directly.
11555 (count_params): Return void, with first token of
11556 expansion in struct macro_info on success.
11557 (parse_define): Return int. Hoist syntax checking from
11558 save_macro_expansion. Leave call to save_expansion to
11559 _cpp_create_definition.
11560 (alloc_macro): Needs just 2 arguments.
11561 (free_macro): Delete.
11562 (save_expansion): Don't perform syntax check.
11563 (_cpp_create_definition): Call save_expansion.
11565 2000-07-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11567 * genrecog.c (write_header): Split long string.
11569 * cpphash.c (macro_info): Don't use the `signed' keyword.
11571 * system.h (alloca): Prototype if __GNUC__ && __SIZE_TYPE__.
11573 2000-07-13 Jakub Jelinek <jakub@redhat.com>
11575 * calls.c (stored_args_map): New variable.
11576 (check_sibcall_argument_overlap_1): New.
11577 (check_sibcall_argument_overlap): New.
11578 (expand_call): Initialize stored_args_map.
11579 Call check_sibcall_argument_overlap.
11581 2000-07-13 Bruce Korb <bkorb@gnu.org>
11583 * fixinc/fixfixes.c: move EXIT_BROKEN to header, add sub-expr max count
11584 (emit_gnu_type): utility procedure for gnu_type_fix
11585 (gnu_type_fix): implement various pre-processor guards around
11586 standard types so these types can be defined over and over
11587 * fixinc/fixincl.tpl: add a "gnu_type_map" that forces the standard
11588 types alluded to above will have GNU-compliant base types
11589 * fixinc/fixlib.h: add EXIT_BROKEN define and the gnu_type_map struct
11590 * fixinc/inclhack.def: add test_text entries and utilize the new
11591 "gnu_types" fix for the ptrdiff_t, size_t and wchar_t types.
11592 * fixinc/fixincl.x: regenerate
11594 2000-07-12 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
11596 * diagnostic.c (vline_wrapper_message_with_location,
11597 v_message_with_file_and_line, v_error_with_file_and_file,
11598 v_error_for_asm, v_warning_for_asm, vfatal,
11599 v_warning_with_file_and_line, v_pedwarn_with_file_and_line,
11600 vsorry, verror, vwarning, vpedwarn): Remove.
11601 (diagnostic_for_asm): New function.
11602 (pedwarn, error, warning, pedwarn_with_file_and_line,
11603 error_with_file_and_line, warning_with_file_and_line, sorry,
11604 error_for_asm, warning_for_asm, fatal): Reimplement.
11605 (finish_diagnostic): Clear diagnostic info as well.
11607 2000-07-13 Neil Booth <NeilB@earthling.net>
11609 * c-common.h (flag_digraphs): New.
11610 * c-decl.c (c_decode_option): Set flag_digraphs as appropriate.
11611 * c-lex.c (yylex): Use flag_digraphs to decide whether to
11614 2000-07-13 Zack Weinberg <zack@wolery.cumb.org>
11616 * gcc.c (do_spec_1): Add new %B operator.
11617 (set_input): Prepare for %B.
11619 (link_command_spec): Move up with the other tm.h-
11620 overrideable specs. Factor out the portion conditional on
11621 LINK_LIBGCC_SPECIAL into a new spec, %(link_libgcc).
11622 (struct compiler): Just have a single spec string. All users
11624 (default_compilers): Remove unnecessary braces.
11625 (static_specs): Update.
11627 (trad_capable_cpp, cpp_options, cc1_options, asm_options): New
11629 (C and assembly specs): Use the new named specs, as appropriate.
11631 * objc/lang-specs.h: Use the new named specs.
11632 Remove unnecessary braces.
11634 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
11636 * gcc.c (execute): If a subprocess gets a fatal signal, report
11637 strsignal() of the signal number, and ask for a bug report.
11638 Do not do this for SIGPIPE if there's already been an error.
11640 * tradcpp.c: Don't include signal.h. Don't catch SIGPIPE.
11641 Delete pipe_closed.
11643 * tradcif.c: Remove.
11645 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
11647 * final.c (profile_function): Do not emit profile counters in
11648 the data section, if NO_PROFILE_COUNTERS is defined.
11649 * tm.texi: Document NO_PROFILE_COUNTERS. Update doc for
11652 * config/i386/linux.h (NO_PROFILE_COUNTERS): Define.
11653 (FUNCTION_PROFILER): Just emit a call to mcount.
11655 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
11657 * tradcpp.c (main): Rename 'perror' label to 'sys_error'.
11659 * cppexp.c, cpphash.c, cpphash.h, cppinit.c, cpplex.c,
11660 cpplib.c, cpplib.h: Eradicate all traces of code dependent on
11661 traditional, lang_chill, or lang_fortran.
11663 * cppfiles.c: #undef strcmp to suppress warning about macros
11664 used without arguments.
11665 (_cpp_execute_include): Use f, not fname, in "No include path"
11667 (_cpp_pop_file_buffer): New function.
11668 * cpplib.c: Don't include <sys/mman.h>.
11669 (cpp_push_buffer): Set line_base and lineno in new buffer.
11670 (cpp_pop_buffer): Use _cpp_pop_file_buffer.
11672 * cpplex.c: Move all prototypes and structure declarations to the
11673 top of the file. Properly parenthesise some macro arguments.
11674 (cpp_scan_line): New function.
11675 (special_symbol [case T_INCLUDE_DEPTH]): Use pfile->include_depth,
11676 don't need to walk up the stack counting.
11678 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11680 * c-common.c (combine_strings): Emit a pedantic warning when a
11681 string length is greater than the minimum ANSI C is required
11684 Wed Jul 12 13:24:30 2000 Jeffrey A Law (law@cygnus.com)
11686 * pa/xm-pa64.h (NO_SYS_SIGLIST): Kill.
11687 * d30v/xm-d30v.h (NO_SYS_SIGLIST): Kill.
11689 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11691 * c-decl.c (define_label): Warn about identifier conflicts with
11692 labels in traditional C.
11694 * c-parse.in (unop +): Warn about the unary plus operator for
11697 * c-typeck.c (store_init_value): Warn about automatic aggregate
11698 initialization for traditional C.
11700 * invoke.texi (-Wtraditional): Document new warnings.
11702 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
11704 * Makefile.in (c-errors.o): Fix thinko in dependency.
11706 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
11708 * gcc.c (C specs [!USE_CPPLIB]): Invoke tradcpp if any of
11709 -traditional, -ftraditional, or -traditional-cpp was given.
11710 Do not pass -traditional to the preprocessor.
11711 (.S spec): Likewise. Don't bother defining __ASSEMBLER__, the
11712 preprocessor does it automatically.
11713 * objc/lang-specs.h: Likewise. Don't bother defining __OBJC__.
11715 * ch/lang-specs.h: Always use tradcpp. Do not pass
11716 -traditional, -trigraphs, or -pedantic to the preprocessor.
11717 * f/lang-specs.h (.F spec): Likewise. Don't bother defining
11720 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
11722 * cppexp.c (LOGICAL): Delete macro.
11723 (_cpp_parse_expr): Do not use UNARY for unary +. Implement ||
11726 * cpphash.c (HASHSIZE): Increase to 4096.
11727 (struct hashdummy): Add hash field.
11728 (eq_HASHNODE): Compare unreduced hashes, then lengths, then
11729 the string values using memcmp.
11730 (cpp_lookup): Set dummy.hash.
11732 Wed Jul 12 13:15:16 2000 Marc Espie <espie@openbsd.org>
11734 * configure.in (m88k-openbsd): Express configuration using new fragment
11736 * configure: Rebuilt.
11737 * m88k/aout-dbx.h: New.
11738 * m88k/openbsd.h: New.
11739 * m88k/xm-openbsd.h: New.
11741 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11743 * expr.c (expand_expr): Return const0_rtx, not error_mark_node.
11745 2000-07-12 Richard Henderson <rth@cygnus.com>
11747 * reload.c (push_secondary_reload): Make sure to add the new
11748 reload at the end, after acquiring secondary memory.
11750 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11752 * cpplex.c (is_macro_disabled): Use CPP_WTRADITIONAL.
11754 * c-decl.c (set_current_function_name_declared, anon_aggr_type_p,
11755 lang_expand_stmt): Mark parameters with ATTRIBUTE_UNUSED.
11757 * c-parse.in (stmt): Delete unused variables.
11759 * convert.c (convert_to_vector): Likewise.
11761 * gensupport.c (process_rtx): Declare attr as `rtvec' not `rtx'.
11763 * tree.c (finish_vector_type): Prototype.
11765 2000-07-12 Bruce Korb <bkorb@gnu.org>
11767 * fixinc/fixfixes.c: use xmalloc
11768 * fixinc/fixincl.c(initialize): set program name for xmalloc
11769 * fixinc/fixlib.c(must_malloc): obsolete
11770 (is_cxx_header): no longer used - disabled
11771 (skip_quote): inserted and disabled for future use
11772 * fixinc/fixlib.h: reflects above
11773 * fixinc/fixtests.c: removed dinkleberries
11775 2000-07-12 Neil Booth <NeilB@earthling.net>
11777 * cpphash.h: (TOKEN_SPELL) Pulled from cpplex.c.
11778 * cpplex.c (TOKEN_SPELL) Move to cpphash.h.
11780 * cpphash.c: (struct macro_info, alloc_macro, free_macro,
11781 struct toklist_dummy): New.
11782 (cpp_free_definition): Free macros with free_macro.
11783 (count_params): Don't save paramter spellings. Save macro
11784 information in a struct macro_info.
11785 (parse_define): Don't allocate a token list.
11786 (save_expansion): Allocate the macro's token list, and
11787 save parameter spellings if necessary. Use TOKEN_SPELL.
11788 (cpp_create_definition): Make list const.
11790 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
11792 * c-typeck.c (pedwarn_c99): Move to
11793 * c-errors.c: ... Here.
11794 * toplev.h (verror, vwarning, vpedwarn): Remove prototypes.
11795 * diagnostic.c (verror, vwarning, vpedwarn): Make static.
11796 * Makefile.in (C_AND_OBJC_OBJS): Include c-errors.o
11797 (c-errors.o): List dependency.
11799 2000-07-12 Mark Mitchell <mark@codesourcery.com>
11801 * c-parse.c: Remove.
11802 * c-parse.h: Likewise.
11803 * c-parse.y: Likewise.
11804 * objc/objc-parse.c: Likewise.
11805 * objc/objc-pasre.y: Likewise.
11807 2000-07-11 Rodney Brown <RodneyBrown@pmsc.com>
11809 * gcc.texi: Fix minor typos
11810 * extend.texi: Fix minor typos
11812 2000-07-11 Marc Espie <espie@openbsd.org>
11814 * collect2.c (main): Recognize .lo as object files.
11816 2000-07-11 J. David Anglin <dave@hiauly1.hia.nrc.ca>
11818 * pa.c (hppa_encode_label): Store labels in gc memory when ggc_p is
11821 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Extend test to detect systems
11822 with MAP_ANONYMOUS and MAP_ANON.
11823 * configure, config.in: Rebuilt.
11825 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
11827 * diagnostic.c (save_output_state): Remove.
11828 (restore_output_state): Likewise.
11829 (clear_text_info): New function.
11830 (clear_diagnostic_info): Likewise.
11831 (output_text_length, is_starting_newline, output_prefix,
11832 line_wrap_cutoff, ideal_line_wrap_cutoff, prefix_was_emitted_for,
11833 prefixing_policy, output_buffer_ptr_to_format_args): New macros
11834 (set_real_maximum_length, output_set_maximum_length,
11835 output_set_prefix, output_get_prefix, output_set_maximum_length,
11836 output_destroy_prefix, init_output_buffer,
11837 reshape_diagnostic_buffer, output_space_left, output_emit_prefix,
11838 output_add_newline, output_add_character, output_add_space,
11839 output_append_r, output_append, wrap_text, output_format,
11840 output_do_printf, output_printf, output_do_verbatim,
11841 output_verbatim, verbatim): Use them.
11842 (output_clear): Split into cleat_text_info and
11843 clear_diagnostic_info.
11844 (struct output_state): Move to...
11846 * diagnostic.h: ...Here
11847 (struct output_buffer): Adjust.
11849 2000-07-11 Zack Weinberg <zack@wolery.cumb.org>
11851 * cpplex.c (parse_name): No longer inline (premature optimization).
11852 (do_pop_context): Fold into pop_context.
11853 (pop_context): Returns int.
11854 (lex_next): Hoist test for end of directive into pop_context.
11855 (push_macro_context): Returns int; takes just reader and token.
11856 Hoist test for excessive nesting to caller.
11857 (push_arg_context): Returns void; takes just reader and token.
11858 Do not call stringify_arg or get_raw_token.
11859 (get_raw_token): Convert tail recursion through push_arg_context
11860 to a loop at this level. Call stringify_arg here if appropriate.
11861 (maybe_paste_with_next): Convert tail recursion to a while loop.
11862 Hoist test of paste_level to caller.
11864 (stringify_arg): Push arg context at beginning.
11865 (cpp_get_token): Split out core into _cpp_get_token. Call
11866 process_directive here. Throw away CPP_PLACEMARKER tokens.
11867 (_cpp_get_token): Convert tail recursion through
11868 push_macro_context to a loop at this level.
11869 (_cpp_glue_header_name, is_macro_disabled, stringify_arg,
11870 _cpp_get_raw_token): Use _cpp_get_token.
11871 (_cpp_skip_rest_of_line): Drop the context stack directly; do
11872 not call pop_context.
11873 (_cpp_run_directive): Call lex_next directly.
11875 * cpphash.h: Prototype _cpp_get_token.
11876 * cppexp.c (lex): Use it.
11877 * cpphash.c (parse_define): Use it.
11878 * cpplib.c (get_define_node, do_undef, parse_include,
11879 read_line_number, do_line, do_ident, do_pragma, do_pragma_gcc,
11880 do_pragma_implementation, do_pragma_poison, do_pragma_dependency,
11881 parse_ifdef, validate_else): Use it.
11882 (cpp_push_buffer): Tweak error message; abort if anyone tries
11883 to push a buffer while macro expansions are stacked.
11885 2000-07-11 Donn Terry <donnte@microsoft.com>
11887 * cpplex.c (free_macro_args, save_token): Cast arg of free
11888 and/or xrealloc to PTR.
11889 (_cpp_init_input_buffer): Clear all fields of the base context.
11891 Tue Jul 11 15:28:21 CDT 2000 Clinton Popetz <cpopetz@cygnus.com>
11893 * gensupport.c (process_rtx): Make rtl checking stop
11894 complaining about the define_insn while it is being
11895 converted from a define_insn_and_split.
11897 Tue Jul 11 16:26:17 2000 Clinton Popetz <cpopetz@cygnus.com>
11899 * config/mips/mips.c (simple_memory_operand): Access the
11900 INTVAL of the address, not it's containing MEM.
11902 2000-07-11 Bruce Korb <bkorb@gnu.org>
11904 * fixinc/fixtests.c(double_slash): obsolete
11905 (else_endif_label): likewise
11906 * fixinc/inclhack.def(irix_multiline_cmnt): obsolete
11907 (libc1_ifdefd_memx): correct initial comment
11908 and omit the #if/#endif pair from the memxxx declarations
11909 * fixinc/fixincl.x: regen
11911 2000-07-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11913 * cpplex.c (T, I, S, C, N): Avoid non-constant initializers.
11915 2000-07-11 Neil Booth <NeilB@earthling.net>
11917 * cpp.texi: Update.
11919 2000-07-11 Neil Booth <NeilB@earthling.net>
11921 * cppinit.c: (cpp_reader_init): Allow digraphs by default.
11922 (handle_option): Set digraphs according to standard.
11923 Merge OPT_lang_c89 handler with OPT_std_c89.
11925 * cpplex.c: (lex_line, can_paste): Honour digraphs in
11926 accordance with the digraphs flag.
11928 * cpplib.h: (struct cpp_options): New option digraphs.
11930 2000-07-10 Hans-Peter Nilsson <hp@axis.com>
11931 Bruce Korb <bkorb@gnu.org>
11933 * fixinc/inclhack.def (libc1_ifdefd_memx): New fix.
11934 * fixinc/fixincl.x: Regenerate.
11935 * fixinc/tests/base/testing.h: Add testcase.
11937 2000-07-10 Richard Henderson <rth@cygnus.com>
11939 * config/ia64/ia64.c (got_symbolic_operand): New.
11940 (symbolic_operand, move_operand): Revert 0701 change.
11941 * config/ia64/ia64.h (PREDICATE_CODES): Update.
11942 * config/ia64/ia64-protos.h (got_symbolic_operand): Declare.
11943 * config/ia64/ia64.md (movdi): Revert 0701 wrt symbolic_operand;
11944 split the offset into a 14-bit low part instead of a 13-bit low part.
11945 (load_fptr): Mark the mem as unchanging.
11946 (load_symptr): Use got_symbolic_operand.
11948 2000-07-10 Nick Clifton <nickc@cygnus.com>
11950 * libgcc2.c (next_stack_level): Cast result of computation to
11951 (void **) so that the assignment does not generate a warning.
11953 2000-07-10 Chandrakala Chavva <cchavva@redhat.com>
11955 * flags.h : Add new variable flag_single_precision_constant.
11956 * toplev.c (display_help) : Add -fsingle-precision-constant option.
11957 (flag_single_precision_constant): New.
11958 * c-lex.c (yylex): Convert floating point constant to single
11959 precision constant.
11960 * invoke.texi : Add documentation for this new option.
11962 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
11964 * diagnostic.c (output_octal): Second parameter is unsigned.
11965 (output_long_octal): Likewise.
11966 (output_hexadecimal): Likewise.
11967 (output_long_hexadecimal): Likewise.
11968 (output_format): Adjust arguments extraction. Tweak.
11969 (output_verbatim, verbatim): End variable argument list.
11970 (report_diagnostic): Improve documentation.
11972 2000-07-10 Benjamin Chelf <chelf@codesourcery.com>
11974 * c-common.h (build_stmt): Declare.
11975 (build_continue_stmt): Likewise.
11976 (build_break_stmt): Likewise.
11977 (build_return_stmt): Likewise.
11979 * c-decl.c (do_case): Rewrite to do what previously done in
11982 * c-semantics.c (build_stmt): Define.
11983 (build_return_stmt): Likewise.
11984 (build_break_stmt): Likewise.
11985 (build_continue_stmt): Likewise.
11986 (build_case_label): Likewise.
11988 * c-parse.in (BREAK): Change to build tree, then generate RTL.
11989 (CONTINUE): Likewise.
11990 (RETURN): Likewise.
11992 (DEFAULT): Likewise.
11994 * c-parse.y: Regenerate.
11995 * c-pasre.c: Likewise.
11997 2000-07-09 Jason Merrill <jason@redhat.com>
11999 * expr.c (expand_expr): Bail earlier if we get an error_mark_node.
12001 * tree.h (STRIP_NOPS): Check for error_mark_node.
12002 (STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Likewise.
12003 (dwarf2out_*): Remove duplicate declarations.
12005 * c-decl.c (duplicate_decls): Copy DECL_ABSTRACT_ORIGIN from
12006 DECL_ABSTRACT_ORIGIN, not DECL_ORIGIN.
12008 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
12010 * diagnostic.c (wrap_text): New function.
12011 (maybe_wrap_text): Likewise.
12012 (output_add_string): Use it.
12013 (output_format): Likewise.
12014 (count_error): Use verbatim instead of notice.
12015 (report_error_function): Likewise. Don't use plain fprintf.
12016 (finish_diagnostic): New function.
12017 (output_do_verbatim): Tweak. Commonalize functionalities in
12018 output_verbatim and verbatim.
12019 (output_verbatim): Adjust.
12020 (verbatim): Likewise.
12021 (report_diagnostic): Define.
12023 * diagnostic.h (report_diagnostic): Prototype.
12025 2000-07-09 Zack Weinberg <zack@wolery.cumb.org>
12027 * cppexp.c (_cpp_parse_expr): Don't use unary plus.
12029 2000-07-09 Neil Booth <NeilB@earthling.net>
12031 * cpphash.h: ISvspace, is_vspace, is_nvspace: New.
12032 IShspace, ISspace: Update.
12034 * cppinit.c: ISTABLE: Update.
12037 * cpplex.c (IS_HSPACE, S_NEWLINE): Remove.
12038 (IS_DIRECTIVE): Rename KNOWN_DIRECTIVE.
12039 (skip_block_comment, skip_line_comment, parse_string,
12040 lex_line): Use is_vspace rather than IS_NEWLINE.
12041 (skip_whitespace, lex_line): Clean up to use is_nvspace.
12042 (lex_line): Use KNOWN_DIRECTIVE. Any kind of directive
12044 (lex_next): Unconditionally stop if within a directive.
12045 Treat directives within macro invocations as directives
12046 (after parse_args emits error), not as the argument.
12048 2000-07-09 Gabriel Dos Reis <gdr@codesourcery.com>
12050 * diagnostic.c (diagnostic_args): New macro.
12051 (diagnostic_msg): Likewise.
12052 (output_formatted_integer): Likewise.
12053 (output_state): New data type.
12054 (digit_buffer): Make global.
12055 (output_add_integer): Rename to output_decimal. Squeeze
12057 (output_long_decimal, output_unsigned_decimal,
12058 output_long_unsigned_decimal, output_octal, output_long_octal,
12059 output_hexadecimal, output_long_hexadecimal): New functions.
12060 (output_append_r): New function.
12061 (output_append): Tweak.
12062 (output_flush_on): Rename to output_to_stream.
12063 (output_format): Change prototype. Improve documentation. Handle
12064 more format specifiers.
12065 (build_location_prefix): Rename to context_as_prefix.
12066 (output_notice): Rename to output_do_printf.
12067 (output_printf): Tweak.
12068 (line_wrapper_printf): Likewise.
12069 (vline_wrapper_message_with_location): Adjust call to renamed
12071 (v_message_with_decl): Likewise.
12072 (default_print_error_function): Likewise.
12073 (save_output_state): New function.
12074 (restore_output_state): Likewise.
12075 (output_do_verbatim): Likewise.
12076 (output_verbatim): Define.
12077 (verbatim): Likewise.
12079 * diagnostic.h (printer_fn): Change return type from void to int.
12080 Improve documentation.
12081 (output_add_integer): Rename to output_decimal.
12082 (output_flush_on, output_format): Don't export.
12083 (output_verbatim, verbatim): Declare.
12085 2000-07-08 Toon Moene <toon@moene.indiv.nluug.nl>
12087 * fold-const.c (extract_muldiv) case PLUS_EXPR, MINUS_EXPR:
12088 Check whether c divides op1 exactly if operation is not
12091 2000-07-08 Richard Henderson <rth@cygnus.com>
12093 * final.c (final): Do not abort when reg-stack introduces
12096 2000-07-08 Zack Weinberg <zack@wolery.cumb.org>
12098 * cpplib.h (struct cpp_name): Now struct cpp_string.
12099 (CPP_INT, CPP_FLOAT, CPP_NUMBER, CPP_COMMENT,
12100 CPP_HEADER_NAME): Change to type S.
12101 (struct cpp_token): Rename 'name' field to 'str'. Add 'node'
12102 field, a cpp_hashnode *. All references to val.name updated
12103 to use val.str or val.node as appropriate.
12104 (struct cpp_reader): Add spec_nodes field.
12105 (cpp_idcmp): Now cpp_ideq; takes a token * and a char *.
12107 * cpphash.h (struct spec_nodes): New.
12108 (enum spell_type): Reorder. Only SPELL_STRING tokens use
12109 val.str. All references to 'spelling > SPELL_NONE' updated to
12112 (CPP_IN_SYSTEM_HEADER): Check pfile->buffer and
12113 pfile->buffer->inc are not NULL before dereferencing them.
12115 * cpplex.c (parse_name): Take a pointer to the current token,
12116 plus current position and limit as args; return the new
12117 position; don't copy the text of a name into the string
12118 buffer, instead call cpp_lookup and store the node pointer.
12119 If extending a token, copy out the text of the old into a
12120 scratch buffer, append the new, look that up and store the new
12121 node pointer. Inline.
12122 (maybe_paste_with_next): If the result of paste is a NAME,
12123 then look up the pasted text and store its node pointer.
12124 (lex_line): Adjust for new parse_name interface.
12125 Check for L"str", L'str' using spec_nodes->n_L.
12126 (spell_token): SPELL_IDENT tokens have their spelling in
12127 val.node->name. Handle SPELL_STRING tokens that don't have
12129 (_cpp_expand_name_space,
12130 (can_paste): Check for L ## "str" using spec_nodes->n_L.
12131 (cpp_get_token, special_symbol): No need to call cpp_lookup.
12132 (cpp_idcmp): Now cpp_ideq; take a token * and a const char *;
12133 return 1=equal 0=not, not a tristate.
12135 * cpphash.c (var_args_str): Delete.
12136 (find_param): Compare node fields directly.
12137 (is__va_args__): Use CPP_PEDANTIC. Just compare
12138 token->val.node with spec_nodes->n__VA_ARGS__.
12139 (dump_funlike_macro): Don't use var_args_str.
12141 * cpplib.c (_cpp_check_directive): Just walk through
12142 spec_nodes->dirs comparing pointers.
12143 (get_define_node, do_pragma_poison, detect_if_not_defined,
12144 parse_ifdef): The identifier has already been looked up.
12145 (do_ifdef, do_ifndef): parse_ifdef won't return a poisoned
12147 (do_if): Only call detect_if_not_defined at beginning of file.
12148 (_cpp_parse_assertion): Only copy string pointers for
12149 SPELL_STRING tokens.
12150 (pragma_dispatch): Take a node pointer and examine its name
12152 (_cpp_init_stacks): Also initialize the spec_nodes structure.
12154 * cppinit.c (cpp_reader_init): Call _cpp_init_stacks after
12156 (cpp_cleanup): Free pfile->spec_nodes. Call _cpp_cleanup_* in
12157 reverse order from the corresponding _cpp_init_* routines.
12159 * cppexp.c (parse_number, parse_charconst, parse_defined,
12160 lex): Check val.node->type instead of calling cpp_defined.
12161 Use spec_nodes entries where appropriate.
12163 * fix-header.c, scan-decls.c: Update for interface changes.
12165 2000-07-08 Geoffrey Keating <geoffk@cygnus.com>
12167 * config/rs6000/rs6000.c (rs6000_emit_move): Fix conditions for
12168 emitting aux_truncdfsf2.
12170 2000-07-03 Donn Terry (donnte@microsoft.com)
12172 * cppinit.c (print_help): split overlong line into ISO C89
12175 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
12177 * cppexp.c: Update all code for new lexer interface.
12178 (op_t, operator codes, struct token, tokentab2, op_to_str): Remove.
12179 (struct suffix, vsuf_1, vsuf_2, vsuf_3, op_to_prio): New.
12180 * cpplex.c (token_names): Trim leading CPP_ from names; make
12181 the strings unsigned.
12182 (_cpp_spell_operator): New.
12183 (is_macro_disabled): Disable all macros if rescanning
12185 (_cpp_get_directive_token): Remove.
12187 * cppinit.c: Don't set no_macro_expand.
12188 * cpplib.c (read_line_number, do_line): Check only for EOF,
12190 * cpphash.h: Update prototypes.
12191 * cpplib.h (CPP_VSPACE): Remove.
12192 (struct cpp_reader): Remove no_macro_expand.
12194 2000-07-08 Neil Booth <NeilB@earthling.net>
12196 * cpphash.c (is__va_args__): New function.
12197 (count_params): Fix line reported in error messages. Use
12198 is__va_args__. Don't return ')' on error. Flag GNU style
12199 rest args macro definitions.
12200 (parse_define): Check macro name is not __VA_ARGS__.
12201 (save_expansion): Check identifier in non-varargs-macro is
12202 not __VA_ARGS__. Don't flag GNU_VARARGS.
12203 * cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS.
12204 (maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather
12205 than per-token GNU_VARARGS.
12206 * cpplib.h (GNU_VARARGS): Remove.
12207 (GNU_REST_ARGS): New.
12209 Sat Jul 8 01:38:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
12211 * i386.md (call_pop, call, call_value_pop): Do not set
12212 current_function_uses_pic_offset_table for calls to static
12213 functions or indirect calls.
12215 2000-07-07 Jim Wilson <wilson@cygnus.com>
12217 * config/ia64/ia64.c (rws_access_reg): New local write_count. If
12218 is_predicate_reg, then take max write_count of register pair.
12220 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12222 * tradcpp.c (main): Rename label `include' to `add_include' to
12223 avoid conflicts with variable `include' in traditional C.
12225 2000-07-07 Jakub Jelinek <jakub@redhat.com>
12227 * integrate.c (copy_insn_list): Remove REG_LABEL notes.
12229 2000-07-07 Jakub Jelinek <jakub@redhat.com>
12231 * sibcall.c (uses_addressof): Add INMEM argument, check for
12232 current_function_internal_arg_pointer outside of MEM rtxs in addition
12234 (sequence_uses_addressof): Update caller.
12236 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
12238 * tradcpp.c (initialize_builtins): Honor NO_BUILTIN_SIZE_TYPE
12241 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12243 * system.h (UNION_INIT_ZERO): New macro for initializing union
12244 members in structs.
12246 * cpplex.c (placemarker_token, eof_token): Use UNION_INIT_ZERO.
12248 2000-07-07 Neil Booth <NeilB@earthling.net>
12250 * cpp.texi: Update.
12252 Fri Jul 7 07:47:35 2000 Jeffrey A Law (law@cygnus.com)
12254 * final.c (final): Detect out of bounds array access to
12255 the insn_lengths array.
12257 2000-07-07 Kazu Hirata <kazu@hxi.com>
12259 * fold-const.c (fold): Fix a comment typo.
12261 2000-07-07 Neil Booth <NeilB@earthling.net>
12263 * cpp.texi: Update to new lexer.
12265 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
12267 * tradcpp.c: New file.
12268 * tradcif.y: New file.
12269 * tradcif.c: New generated file.
12271 * Makefile.in: Add rules to build tradcpp.o, tradcif.o,
12272 $(srcdir)/tradcif.c. Add tradcpp to STAGESTUFF and
12273 dependencies of C. Install tradcpp from install-common, in
12276 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
12278 * cppinit.c: Include cppdefault.h. Refer to
12279 cpp_GCC_INCLUDE_DIR and cpp_GCC_INCLUDE_DIR_len, not directly
12280 to GCC_INCLUDE_DIR and its length.
12281 (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
12282 USER_LABEL_PREFIX, REGISTER_PREFIX, struct default_include,
12283 STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT): Move to
12285 (include_defaults_array): Move to cppdefault.c.
12287 * cppdefault.h: New file.
12288 * cppdefault.c: New file.
12290 * Makefile.in (LIBCPP_OBJS): Add cppdefault.o.
12291 (cppinit.o): Don't apply $(PREPROCESSOR_DEFINES) to this file.
12292 (cppdefault.o): New rule; apply $(PREPROCESSOR_DEFINES) to
12295 Thu Jul 6 18:30:36 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12297 * reload.c (push_reload): When seeing if can reuse a register,
12298 check extra registers against widest of INMODE and OUTMODE.
12300 2000-07-06 Neil Booth <NeilB@earthling.net>
12302 * cpplib.c: (_cpp_parse_assertion): Perform hash lookups
12303 based on full length of predicate.
12305 2000-07-06 Hans-Peter Nilsson <hp@axis.com>
12307 * timevar.c: [HAVE_SYS_RESOURCE_H]: Include <sys/resource.h>.
12308 [NEED_DECLARATION_GETRUSAGE]: Declare getrusage.
12310 2000-07-05 Kazu Hirata <kazu@hxi.com>
12312 * h8300-proto.h: Fix formatting.
12313 * h8300.c: Likewise.
12314 * h8300.h: Likewise.
12316 2000-07-05 Jim Wilson <wilson@cygnus.com>
12318 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): If FR_REGNO_P, disallow
12321 2000-07-05 Rodney Brown <RodneyBrown@pmsc.com>
12323 * invoke.texi: Fix minor typos
12324 * md.texi: Fix minor typos
12326 2000-07-05 Zack Weinberg <zack@wolery.cumb.org>
12328 * cpplib.c (_cpp_parse_assertion): Fix buffer overrun.
12330 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
12332 * cpplex.c: Don't include sys/mman.h.
12333 (cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.
12335 * cpplib.c: Include sys/mman.h and obstack.h.
12336 (cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
12338 (cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
12339 (_cpp_unwind_if_stack): Now static, unwind_if_stack. Don't
12340 bother freeing if stack entries (they will be freed with their buffer).
12341 (do_endif): Free if stack entries from the buffer obstack.
12342 (push_conditional): Allocate if stack entries from the buffer obstack.
12344 (find_answer): Rename to _cpp_find_answer.
12345 (do_assert, do_unassert): Update.
12347 * cpphash.h: Update prototypes.
12348 (xobnew): New convenience macro.
12349 * cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
12351 (struct cpp_hashnode): Remove disabled field.
12353 * cppinit.c: Don't include hashtab.h or splay-tree.h.
12354 (report_missing_guard): Moved to cppfiles.c.
12355 (cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
12357 (cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
12358 cpp_cleanup_includes. Don't destroy hashtab or
12359 all_include_files here.
12360 (cpp_finish): Use _cpp_report_missing_guards.
12362 * cppfiles.c (report_missing_guard): Moved from cppinit.c.
12363 (_cpp_init_include_table): Rename _cpp_init_includes.
12364 (_cpp_cleanup_includes, _cpp_report_missing_guards): New.
12366 * cppexp.c (parse_assertion): Update for new name of
12369 * Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.
12371 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
12373 * cpplib.c (do_ident): s/VSPACE/EOF/
12375 2000-07-05 Neil Booth <NeilB@earthling.net>
12377 * cpplex.c: Fix trigraph replacement within strings.
12379 2000-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12381 * rs6000/aix.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier.
12383 * xcoffout.c (assign_type_number): Constify.
12384 (xcoffout_source_file): Add static prototype. Don't needlessly
12385 cast away const-ness.
12387 2000-07-04 Jason Merrill <jason@redhat.com>
12389 * frame.h (frame_state): Move base_offset to end.
12391 Mon Jul 3 21:31:43 2000 Clinton Popetz <cpopetz@cygnus.com>
12393 * calls.c (emit_library_call_value_1): Revert previous change.
12395 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
12397 * fix-header.c (struct partial_proto): Remove unnecessary fields.
12398 (recognized_extern, recognized_function, read_scan_file):
12399 Update for new scheme.
12400 (check_protection): It's still a multiple include guard even
12401 if it doesn't always trigger.
12402 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
12404 * scan.h: Declare struct cpp_token. Update prototypes.
12406 2000-07-03 Neil Booth <neilb@earthling.net>
12407 Zack Weinberg <zack@wolery.cumb.org>
12409 Complete overhaul of the lexer and macro expander.
12411 * cpphash.c (object_defn, funct_defn, push_macro_expansion,
12412 arg, arglist, argdata, reflist, collect_objlike_expansion,
12413 collect_funlike_expansion, collect_params,
12414 warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat,
12415 unsafe_chars, macarg, compare_defs, special_symbol,
12416 scan_arguments, stringify, funlike_macroexpand,
12417 _cpp_quote_string, monthnames): Delete.
12418 (cpp_lookup, _cpp_free_definition, dump_funlike_macro,
12419 _cpp_create_definition, _cpp_dump_definition,
12420 dump_hash_helper): Adjust.
12421 (find_param, count_params, parse_define, var_args_str,
12422 check_macro_redefinition, save_expansion): New.
12424 * cpplex.c (skip_block_comment, skip_line_comment, parse_name,
12425 parse_string, output_line_command, trigraph_replace,
12426 lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens,
12427 cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist,
12428 cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer,
12429 _cpp_skip_rest_of_line): Modify.
12431 (maybe_macroexpand, skip_comment, copy_comment, skip_string,
12432 find_position, null_warning, bump_column, expand_name_space,
12433 pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist,
12434 _cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace,
12435 _cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token,
12436 _cpp_prescan): Delete.
12438 (dump_param_spelling, process_directive, lex_next,
12439 is_macro_disabled, stringify_arg, expand_context_stack,
12440 output_token, make_string_token, alloc_number_token,
12441 special_symbol, duplicate_token, maybe_paste_with_next,
12442 can_paste, prevent_macro_expansion, restore_macro_expansion,
12443 get_temp_token, release_temp_tokens, quote_string,
12444 token_names, token_spellings, _cpp_expand_name_space,
12445 _cpp_glue_header_name, _cpp_reserve_name_space,
12446 digraph_spellings, trigraph_ok, skip_whitespace, save_comment,
12447 placemarker_token, eof_token, cpp_context, macro_args,
12448 get_raw_token, parse_arg, parse_args, save_token,
12449 push_arg_context, push_macro_context, pop_context,
12450 do_pop_context, free_macro_args, _cpp_get_line,
12451 _cpp_run_directive): New.
12453 * cpplib.c (validate_else, parse_include, push_conditional,
12454 pass_thru_directive, read_line_number, parse_ifdef,
12455 detect_if_not_defined, _cpp_check_directive, do_define,
12456 do_undef, do_include, do_import, do_include_next, do_error,
12457 do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas,
12458 top_pragmas, do_pragma_gcc, do_pragma_implementation,
12459 do_pragma_poison, do_pragma_system_header,
12460 do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else,
12461 dl_elif, do_endif, _cpp_unwind_if_stack, do_assert,
12462 do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert,
12463 cpp_defined): Update for new scheme.
12464 (strtoul_for_line, get_define_node, dump_macro_name,
12465 _cpp_check_linemarker, _cpp_parse_assertion): New.
12466 (_cpp_handle_directive, do_pragma_default): Delete.
12468 * cpphash.h (struct predicate): Now struct answer.
12469 (enum spell_type, struct token_spelling, struct directive,
12470 directive_handler): New.
12471 Update prototypes. Remove unused macros.
12472 * cpplib.h: Update prototypes. Remove unused macros,
12473 structure definitions, and fields.
12475 * cpperror.c (print_containing_files, v_message): Adjust.
12476 * cppexp.c (parse_assertion, lex, parse_escape,
12477 _cpp_parse_expr): Adjust.
12478 * cppfiles.c (open_include_file, _cpp_execute_include,
12479 _cpp_compare_file_date, cpp_read_file, read_include_file):
12481 * cppinit.c (dump_special_to_buffer): Delete.
12482 (append_include_chain, merge_include_chains, cpp_reader_init,
12483 cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read,
12484 cpp_finish, handle_option, print_help): Adjust.
12485 * cppmain.c (main): Adjust.
12487 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
12489 * cppspec.c (lang_specific_driver): Use double quotes in error
12492 Mon Jul 3 16:53:43 2000 Clinton Popetz <cpopetz@cygnus.com>
12494 * calls.c (emit_library_call_value_1): Use valreg instead
12495 of hard_libcall_value.
12497 2000-07-03 Geoff Keating <geoffk@cygnus.com>
12499 * config/rs6000/rs6000.c (rs6000_emit_move): New function.
12500 * config/rs6000/rs6000-proto.h: Prototype rs6000_emit_move.
12501 * config/rs6000/rs6000.md (movsi): Use rs6000_emit_move.
12509 * expmed.c (expand_mult_highpart): Use op1 instead of wide_op1 when
12510 mode instead of wider_mode is being used.
12512 2000-07-03 Jakub Jelinek <jakub@redhat.com>
12514 * config/i386/i386.md (movstrictqi_xor): Use 'q' constraint instead
12515 of 'r'. Use q_regs_operand.
12516 (andsi_1+2): Use q_regs_operand.
12518 2000-07-03 Jakub Jelinek <jakub@redhat.com>
12520 * builtins.c (get_memory_rtx): Always put into alias set 0.
12522 2000-07-03 Nick Clifton <nickc@cygnus.com>
12524 * config/arm/arm.md: Fix post increment and pre increment
12525 peepholes so that they do not generate UNPREDICATBLE opcodes.
12526 (ie ones where the increment clobbers the source/destination).
12528 2000-07-01 Marek Michalkiewicz <marekm@linux.org.pl>
12530 * config/avr/avr.c (out_adj_frame_ptr): Make "frame pointer
12531 change too big for -mtiny-stack" a warning, if larger than 63.
12532 (out_set_stack_ptr): Change the logic so -mno-interrupts is
12533 always safe to use on possible future devices.
12534 (function_prologue): Write SPH before SPL, for consistency.
12535 If interrupt_func_p true, we know we have enabled interrupts.
12536 (avr_num_arg_regs): New function. Round up to even number of
12537 bytes if no -mpack-args or if calling a libgcc function.
12538 (function_arg, function_arg_advance): Use it.
12539 (output_movsisf, ashlsi3_out, ashrsi3_out, lshrsi3_out):
12540 Output "movw" if available.
12541 (out_tsthi, out_tstsi, ashlqi3_out, lshrqi3_out): Change uses
12542 of TEST_HARD_REG_CLASS macro to test_hard_reg_class function.
12543 (asm_output_section_name): Add blanks for consistent output.
12544 (encode_section_info): Set TREE_READONLY for progmem data to
12545 avoid gas warnings about changed section attributes.
12546 (avr_hard_regno_mode_ok): Force non-QImode data to start in
12547 even numbered registers on devices with "movw".
12548 * config/avr/avr.h (MASK_*): Define bits for target_flags.
12549 (TARGET_SWITCHES): Mark help strings for translation.
12550 Add new -mpack-args and -menhanced switches.
12551 (TARGET_OPTIONS): Mark help strings for translation.
12552 (progmem_section): Add section attributes.
12553 * config/avr/avr.md (*movhi, call_insn, call_value_insn):
12554 Output "movw" if available.
12555 (mulqi3, mulqihi3, umulqihi3, mulhi3, *tablejump_enh):
12557 * config/avr/libgcc.S (_mulqi3, _divqi3): Update to the new
12558 call convention (arguments aligned on even registers).
12559 (_cleanup, _exit): Make weak symbols libc can override.
12561 2000-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12563 * fp-bit.h: New file.
12565 * fp-bit.c: Move common code, prototypes, etc into fp-bit.h.
12566 Comment #endif statements.
12567 (__thenan_sf, __thenan_df): Add missing braces around initializer.
12569 Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
12571 * gcse.c (compute_pre_data): Compute ae_kill using other local
12572 properties instead of calling compute_ae_kill.
12574 * alias.c (init_alias_analysis): Do not call
12575 prologue_epilogue_contains until after reload has completed.
12577 2000-07-02 Benjamin Chelf <chelf@codesourcery.com>
12579 * c-common.h (genrtl_begin_compound_stmt): Remove declaration.
12580 (genrtl_finish_compound_stmt): Likewise.
12581 (genrtl_compound_stmt): Change to return void.
12583 * c-semantics.c (genrtl_begin_compound_stmt): Remove function and
12584 move code from here to ...
12585 (genrtl_compound_stmt): ... here.
12586 (genrtl_finish_compound_stmt): Remove.
12587 (expand_stmt): Add comment.
12589 2000-07-02 Zack Weinberg <zack@wolery.cumb.org>
12591 * c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P
12594 2000-07-02 Jakub Jelinek <jakub@redhat.com>
12596 * cpplib.h (struct cpp_reader): New field include_depth.
12597 (struct cpp_printer): Rename last_bsd to last_id.
12598 * cppfiles.c (read_include_file): Bump include_depth.
12599 * cpplex.c (cpp_pop_buffer): Decrement include_depth.
12600 (output_line_command): Output correct #line if a header
12601 is including itself and is not protected against multiple inclusion.
12602 Use include_depth instead of buffer_stack_depth, last_id instead of
12604 * cppinit.c (cpp_start_read): Initialize last_id instead of
12607 2000-07-01 Benjamin Chelf <chelf@codesourcery.com>
12609 * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
12610 (c-semantics.o): New target.
12612 * c-common.h (TREE_LANG_FLAG_?): Added documentation.
12613 (genrtl_do_pushlevel): Moved from cp/cp-tree.h.
12614 (genrtl_clear_out_block): Likewise.
12615 (genrtl_goto_stmt): Likewise.
12616 (genrtl_expr_stmt): Likewise.
12617 (genrtl_decl_stmt): Likewise.
12618 (genrtl_if_stmt): Likewise.
12619 (genrtl_while_stmt): Likewise.
12620 (genrtl_do_stmt): Likewise.
12621 (genrtl_return_stmt): Likewise.
12622 (genrtl_for_stmt): Likewise.
12623 (genrtl_break_stmt): Likewise.
12624 (genrtl_continue_stmt): Likewise.
12625 (genrtl_scope_stmt): Likewise.
12626 (genrtl_switch_stmt): Likewise.
12627 (genrtl_case_label): Likewise.
12628 (genrtl_begin_compound_stmt): Likewise.
12629 (gerntl_finish_compound_stmt): Likewise.
12630 (genrtl_compound_stmt): Likewise.
12631 (genrtl_asm_stmt): Likewise.
12632 (genrtl_decl_cleanup): Likewise.
12633 (DECL_ANON_UNION_ELEMS): Likewise.
12634 (emit_local_var): Likewise.
12635 (make_rtl_for_local_static): Likewise.
12636 (expand_cond): Likewise.
12637 (expand_stmt): Likewise.
12638 (c_expand_return): Likewise.
12639 (c_expand_start_case): Likewise.
12640 (do_case): Likewise.
12641 (COMPOUND_STMT_NO_SCOPE): Likewise.
12642 (c_expand_asm_operands): Likewise.
12643 (NEW_FOR_SCOPE_P): New macro.
12644 (expand_expr_stmt_fn): New type.
12646 (set_current_function_name_declared): Likewise.
12647 (current_function_name_declared): Likewise.
12648 (lang_expand_stmt): Likewise.
12649 (stmts_are_full_exprs_p): Likewise.
12650 (anon_aggr_type_p): Likewise.
12651 (lang_expand_expr_stmt): Likewise.
12652 (build_case_label): Likewise.
12654 * c-decl.c (lang_expand_expr_stmt): Initialize.
12655 (stmts_are_full_exprs_p): Define.
12656 (current_function_name_declared): Likewise.
12657 (do_case): Likewise.
12658 (lang_expand_stmt): Likewise.
12659 (set_current_function_name_declared): Likewise.
12660 (anon_aggr_type_p): Likewise.
12662 * c-semantics.c: New file.
12663 (expand_cond): Moved from cp/semantics.c.
12664 (genrtl_do_pushlevel): Likewise.
12665 (genrtl_clear_out_block): Likewise.
12666 (genrtl_goto_stmt): Likewise.
12667 (genrtl_expr_stmt): Likewise.
12668 (genrtl_decl_stmt): Likewise.
12669 (genrtl_if_stmt): Likewise.
12670 (genrtl_while_stmt): Likewise.
12671 (genrtl_do_stmt): Likewise.
12672 (genrtl_return_stmt): Likewise.
12673 (genrtl_for_stmt): Likewise.
12674 (genrtl_break_stmt): Likewise.
12675 (genrtl_continue_stmt): Likewise.
12676 (genrtl_scope_stmt): Likewise.
12677 (genrtl_switch_stmt): Likewise.
12678 (genrtl_case_label): Likewise.
12679 (genrtl_begin_compound_stmt): Likewise.
12680 (genrtl_finish_compound_stmt): Likewise.
12681 (genrtl_compound_stmt): Likewise.
12682 (genrtl_asm_stmt): Likewise.
12683 (genrtl_decl_cleanup): Likewise.
12684 (make_rtl_for_local_static): Moved from cp/decl.c.
12685 (emit_local_var): Likewise.
12686 (expand_stmt): Define.
12688 * c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
12689 (c_expand_return): Likewise.
12690 (c_expand_start_case): Likewise.
12692 2000-07-01 Richard Henderson <rth@cygnus.com>
12694 * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
12695 with the low 13 bits set.
12696 (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
12697 * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one
12698 of the low 13 bits into a CONST plus an adddi3.
12699 (load_symptr): Set RTX_UNCHANGING_P.
12701 See ChangeLog.3 for earlier changes.