1 2000-11-25 Richard Henderson <rth@redhat.com>
3 * c-decl.c (c_expand_body): Use DECL_SOURCE_LINE rather than
4 lineno for the start of the function.
6 2000-11-25 Richard Henderson <rth@redhat.com>
8 * dwarf2out.c (file_table, file_table_allocated): Remove.
9 (file_table_allocated): Remove.
10 (struct file_table): New.
11 (decl_file_table, line_file_table): New.
12 (print_dwarf_line_table): Use them.
13 (size_of_line_prolog): Likewise.
14 (output_line_info): Likewise.
15 (add_src_coords_attributes): Likewise.
16 (gen_subprogram_die): Likewise.
17 (gen_variable_die): Likewise.
18 (dwarf2out_add_library_unit_info): Likewise.
19 (dwarf2out_line): Likewise.
20 (lookup_filename): Take a struct file_table argument.
21 (init_file_table): New.
22 (dwarf2out_init): Use it.
24 2000-11-25 Joseph S. Myers <jsm28@cam.ac.uk>
26 * invoke.texi: Update sequence points references.
28 2000-11-25 Neil Booth <neilb@earthling.net>
30 * c-common.c: Remove USE_CPPLIB conditional inclusions.
31 * c-common.h: Similarly.
32 * c-decl.c: Similarly.
33 * c-lang.c: Similarly.
35 * c-parse.in: Similarly.
36 * c-pragma.c: Similarly.
37 * c-pragma.h: Similarly.
39 * toplev.c: Similarly.
40 * cp/cp-tree.h: Similarly.
41 * cp/decl2.c: Similarly.
42 * cp/lang-specs.h: Similarly.
43 * cp/lex.c: Similarly.
44 * cp/lex.h: Similarly.
45 * cp/spew.c: Similarly.
46 * java/lang-options.h: Similarly.
47 * objc/lang-specs.h: Similarly.
48 * objc/objc-act.c: Similarly.
50 * configure.in: Remove configure option.
51 * config.in: Regenerate.
52 * configure: Regenerate.
54 2000-11-25 Richard Henderson <rth@redhat.com>
56 * haifa-sched.c (sched_analyze_1, sched_analyze_2, sched_analyze):
57 Revert 2000-11-22 change.
59 2000-11-25 Bernd Schmidt <bernds@redhat.co.uk>
61 * config/i386/i386.h (FIXED_REGS): Make the three flags registers
64 2000-11-25 Philipp Thomas <pthomas@suse.de>
65 * configure.in (ALL_LINGUAS): Remove en_GB and add sv.
68 2000-11-25 Jakub Jelinek <jakub@redhat.com>
70 * config/sparc/sparc.md (muldi3_v8plus): Remove H constraint.
71 Handle CONST_INT as second argument.
72 * config/sparc/sparc.c (set_extends): Remove first argument.
73 Properly handle AND, CONST_INT and CONST_DOUBLE, handle IOR, XOR and
75 (sparc_check_64): Abort if first argument is not REG.
76 If it is DImode REG, look at the lower register of the register
79 * config/sparc/sparc.c (load_pic_register, restore_regs,
80 output_return, sparc_v8plus_shift, sparc_function_profiler,
81 sparc_function_block_profiler, sparc_block_profiler): Fix output
84 2000-11-25 Alexandre Oliva <aoliva@redhat.com>
86 * config/sh/sh.h (TARGET_NONE): New.
87 (TARGET_SWITCHES): For all variant-selecting switch, use
88 TARGET_NONE to reset all other variant-selecting switch. Added
89 empty strings to avoid warnings.
90 (TARGET_DEFAULT): Set to SH1_BIT.
92 * Makefile.in ($(INTL_TARGETS)): Added $(CONFIG_H) for
95 * gcc/config/sh/sh.md (sibcalli, sibcalli_pcrel): New insns.
96 (sibcall_pcrel): New insn_and_split.
97 (sibcall, sibcall_value, sibcall_epilogue): New expands.
99 * config/sh/sh.md (GOTaddr2picreg, symGOT2reg, symGOTOFF2reg,
100 symPLT_label2reg, call, call_value): Don't set
101 current_function_uses_pic_offset_table.
102 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Don't mark
103 PIC_OFFSET_TABLE_REGNUM as call_used, so that calc_live_regs
104 takes it into account.
105 (FINALIZE_PIC): Delete, useless.
106 (LEGITIMATE_CONSTANT_P): Delete, unused.
107 * config/sh/sh.c (sh_expand_prologue): Don't use
108 current_function_uses_pic_offset_table. Don't special-case
109 PIC_OFFSET_TABLE_REGNUM. Initialize it if it's ever live and
111 (sh_expand_epilogue, initial_elimination_offset): Don't
112 special case PIC_OFFSET_TABLE_REGNUM.
114 2000-11-25 Alexandre Oliva <aoliva@redhat.com>, NIIBE Yutaka <gniibe@m17n.org>
116 * config/sh/sh-protos.h (symbol_ref_operand): Declare.
117 * config/sh/sh.md (UNSPEC_CALLER): New constant.
118 (calli_pcrel, call_valuei_pcrel): Use PIC_REG.
119 (call_pcrel, call_value_pcrel): New insn_and_splits.
120 (call, call_value): Use them.
121 (call_site): New expand.
122 (sym_label2reg, symPLT_label2reg): Adjust to hold call_sites.
123 * config/sh/sh.h (OUTPUT_ADDR_CONST_EXTRA) [UNSPEC_CALLER]:
124 Output call_site label.
125 (PREDICATE_CODES): Added symbol_ref_operand.
126 * config/sh/sh.c (symbol_ref_operand): Define.
127 * emit-rtl.c (try_split): Propagate CALL_INSN_FUNCTION_USAGE
128 to CALL_INSNs in the split sequence.
130 2000-11-24 Nick Clifton <nickc@redhat.com>
132 * config.gcc (v850-*-*): Define c_target_objs and
135 * config/v850/t-v850: Define how to build v850-c.o
137 * config/v850/v850.h (struct data_area_stack_element): Move
138 definition here from v850.c.
140 * config/v850v850.c: Include gcc.h to avoid compile time
142 (push_data_area): Move to v850-c.c.
143 (pop_data_area): Move to v850-c.c.
144 (mark_current_function_as_interrupt): Move to v850-c.c.
145 (GHS_default_section_names): Allow to be exported.
146 (GHS_current_section_names): Allow to be exported.
147 (data_area_stack_elements): Allow to be exported.
148 (ghs_pragma_section): Move to v850-c.c.
149 (ghs_pragma_interrupt): Move to v850-c.c.
150 (ghs_pragma_starttda): Move to v850-c.c.
151 (ghs_pragma_startsda): Move to v850-c.c.
152 (ghs_pragma_startzda): Move to v850-c.c.
153 (ghs_pragma_endtda): Move to v850-c.c.
154 (ghs_pragma_endsda): Move to v850-c.c.
155 (ghs_pragma_endzda): Move to v850-c.c.
157 * config/v850/v850-c.c: New file: Contains v850 specific
158 pragma parsing functions.
160 2000-11-24 Nick Clifton <nickc@redhat.com>
162 * config.gcc (extra_objs): Remove duplicate description.
163 (c_target_objs): New variable. Contains target specific
164 object files for the gcc C compiler only.
165 (cxx_target_objs): New variable. Contains target specific
166 object files for the gxx C++ compiler only.
168 * configure.in (c_target_objs): Substitute in the makefile.
169 (cxx_target_objs): Substitute in the makefile.
170 * configure: Regenerate.
172 * Makefile.in (C_TARGET_OBJS): Define and initialise from
174 (CXX_TARGET_OBJS): Define and initialise from
176 (C_AND_OBJC_OBJS): Include C_TARGET_OBJS.
178 * cp/Make-lang.in (CXX_C_OBJS): Include CXX_TARGET_OBJS).
180 * tm.texi (REGISTER_TARGET_PRAGMAS): Add paragraph explaining
181 about how the use of the 'c_lex' function requires the use of
182 the target specific, language specific object files feature of
183 the configuration mechanism.
185 Fri Nov 24 18:50:58 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
187 * gcc.c (process_command): Use F_OK, not R_OK.
189 2000-11-24 Arno J. Klaassen <arno@heho.snv.jussieu.fr>
191 * flow.c (print_rtl_and_abort): Remove ANSIism.
193 Fri Nov 24 19:54:36 2000 Alexandre Oliva <aoliva@redhat.com>
195 * config/sh/sh.h (GENERAL_REGISTER_P,
196 GENERAL_OR_AP_REGISTER_P, FP_REGISTER_P, XD_REGISTER_P,
197 FP_OR_XD_REGISTER_P, FP_ANY_REGISTER_P): New macros. Use them
199 (SPECIAL_REG): Renamed to SPECIAL_REGISTER_P.
200 * config/sh/sh.c: Use new macros.
201 * config/sh/sh.md: Likewise.
203 Fri Nov 24 19:46:16 2000 Alexandre Oliva <aoliva@redhat.com>
205 * config/sh/sh.md: Clobber MACH_REG and MACL_REG in SImode,
206 instead of just MACH_REG in DImode. Always refer to FPSCR_REG
209 Fri Nov 24 22:37:41 2000 Denis Chertykov <denisc@overta.ru>
211 * config/avr/avr.c (out_tsthi,out_tstsi): Test simplification bug
213 (machine_dependent_reorg): Wrong optimization based on
214 NOTICE_UPDATE_CC removed.
216 Fri Nov 24 19:48:09 2000 J"orn Rennecke <amylaar@redhat.com>
218 * jump.c (delete_computation): Re-instate deletion of feeding insn.
219 (delete_insn): Look for REG_LABEL notes.
220 (redirect_tablejump): Delete feeding insns.
222 2000-11-24 Bernd Schmidt <bernds@redhat.co.uk>
224 * config/i386/i386.md (call_pop_0, call_pop_1, call_value_pop_0,
225 call_value_pop_1): Make sure operand numbers are contiguous.
227 * fold-const.c (fold_range_test): Avoid crash if LHS or RHS is null.
229 * reload1.c (conflicts_with_override): New function.
230 (emit_input_reload_insns): Use it to tighten test for validity
231 of substituting into output of previous insn.
233 * haifa-sched.c (struct ready_list): New.
234 (ready_lastpos, ready_add, ready_remove_first, ready_sort): New static
236 (schedule_insn): Replace args READY and N_READY with a pointer to a
237 ready_list; return void. Use the new functions to access the ready
238 list. All callers changed.
239 (queue_to_ready, debug_ready_list): Likewise.
240 (schedule_block): Initialize a ready_list structure. Use new
241 functions to access it.
242 (max_priority): Remove unused variable.
243 (schedule_insn): Don't set it.
245 * c-common.c (verify_tree): Don't recurse into CONSTRUCTORs.
247 * combine.c (cant_combine_insn_p): New function.
248 (try_combine): Use it.
250 * Makefile.in (c-common.o): Depend on $(OBSTACK_H).
251 * c-common.c (c-obstack.c): Include "obstack.h".
252 (struct reverse_tree): Delete.
253 (reverse_list, reverse_max_depth): Delete.
254 (build_reverse_tree, common_ancestor, modify_ok): Delete functions.
255 (struct tlist, struct tlist_cache): New.
256 (tlist_obstack, tlist_firstobj, warned_ids, save_expr_cache): New.
257 (add_tlist, merge_tlist, verify_tree, warning_candidate_p,
258 warn_for_collisions, warn_for_collisions_1, new_tlist): New
260 (verify_sequence_points): Rewritten.
261 * fold-const.c (fold): Don't lose possibly important sequence
262 points when removing one arm of TRUTH_ORIF_EXPRs or TRUTH_ANDIF_EXPRs.
264 2000-11-24 Richard Sandiford <rsandifo@redhat.com>
266 * gcc/cse.c (cse_insn): Removed conversion of REG_EQUIV to REG_EQUAL
267 when reversing a register-to-register copy. Reversal now disabled
268 when the previous instruction has a REG_EQUIV.
270 2000-11-24 Nathan Sidwell <nathan@codesourcery.com>
272 * c-parse.in (unary_expr): Move VA_ARG from here ...
273 (primary): ... to here.
275 2000-11-23 Graham Stott <grahams@redhat.com>
277 * expr.c (store_constructor): If a field is non addressable and
278 the target is a MEM use MEM_ALIAS_SET otherwise use get_alias_set.
280 2000-11-23 Bernd Schmidt <bernds@redhat.co.uk>
282 * flow.c (print_rtl_and_abort): New function.
283 (verify_wide_reg, verify_local_live_at_start): Try to dump more
284 information before aborting.
286 2000-11-23 Alexandre Oliva <aoliva@redhat.com>
288 * emit-rtl.c (gen_lowpart_common): Use word 0 if register mode
289 is narrower than requested mode.
290 (gen_highpart): Abort if register mode is narrower than
293 2000-11-23 Graham Stott <grahams@redhat.com>
295 * cse.c (cse_insn): Initialise all regcost variables.
296 Fix a typo add missing '='.
297 Only compare costs if there is a replacement insn.
299 Thu Nov 23 04:33:33 2000 Alexandre Oliva <aoliva@redhat.com>
301 * final.c (output_addr_const) [LABEL_REF]: Simplify.
302 [MINUS]: Enclose non-CONST_INTs in parentheses.
303 [default]: Try OUTPUT_ADDR_CONST_EXTRA.
304 * tm.texi (OUTPUT_ADDR_CONST_EXTRA): Document it.
305 * varasm.c (decode_rtx_const) [CONST]: If it's not something
306 PLUS or MINUS a CONST_INT, use the whole CONST with offset 0
307 instead of abort()ing.
308 * sh.c (output_pic_addr_const): Removed. Fixed all callers.
309 * sh.h (OUTPUT_ADDR_CONST_EXTRA): New. Handle the UNSPECs
310 formerly handled in output_pic_addr_const.
311 * sh.md (sym_label2reg, symPLT_label2reg): Enclose UNSPEC
312 operands of MINUS in CONSTs so that decode_rtx_const() will
315 Thu Nov 23 04:10:30 2000 Alexandre Oliva <aoliva@redhat.com>
317 * config/sh/sh.md (mova_const): New pattern.
318 (GOTaddr2picreg): Use it.
319 * config/sh/sh.c (broken_move): Match it.
320 (mova_p): Don't match it.
321 (machine_dependent_reorg): Adjust it.
323 Thu Nov 23 02:09:09 2000 Alexandre Oliva <aoliva@redhat.com>
325 * config/sh/sh.h (FIRST_GENERAL_REG, LAST_GENERAL_REG): New.
326 Moved most register-number #defines...
327 * config/sh/sh.md (define_constants): ... here. Use macros to
328 refer to registers and unspecs.
329 * config/sh/sh.c: Likewise.
331 Thu Nov 23 01:01:32 2000 J"orn Rennecke <amylaar@redhat.com>
333 * Makefile.in (HOST_CFLAGS): Add -DGENERATOR_FILE.
334 (rtl.o, print-rtl.o, bitmap.o, obstack.o): Build with -DGENERATOR_FILE.
335 (alloca.o, vfprintf.o, ggc-none.o, errors.o): Likewise.
336 (splay-tree.o, hash.o): Likewise.
338 (rtl.o, print-rtl.o): Depend on $(GCONFIG_H) instead of $(CONFIG_H).
339 (bitmap.o, obstack.o, vfprintf.o, ggc-none.o, errors.o): Likewise.
340 (hashtab.o): Likewise.
341 (gcov.o): Depend on $(CONFIG_H).
342 * configure.in: #include insn-codes.h in tm.h.
344 2000-11-22 Nick Clifton <nickc@redhat.com>
346 * config/arm/arm.c (arm_encode_call_attribute): Make 'newstr' a
347 const char * to avoid a compile time warning.
349 * config/arm/arm.md (define_constants): Define symbolic names for
350 the link register, last integer register and the fake CC register.
351 Update patterns to use these symbolic names.
353 2000-11-22 Neil Booth <neilb@earthling.net>
355 * cpplex.c (trigraph_ok): Ensure we don't warn twice.
356 * cpplib.h (struct cpp_buffer): New member last_Wtrigraphs.
358 2000-11-22 Richard Henderson <rth@redhat.com>
360 * haifa-sched.c (sched_analyze_1): Don't special-case calls
361 for clobbering registers.
362 (sched_analyze_2): Likewise.
363 (sched_analyze): Zap reg_last_uses and reg_last_sets after calls.
365 2000-11-22 Chris Demetriou <cgd@sibyte.com>
366 Neil Booth <neilb@earthling.net>
368 * gcc.c (validate_switches): Validate multiple switches named
369 in '|' (or) expressions in specs.
370 (handle_braces): If more than 1 alternative in a '|' spec
371 matches, call do_spec1 just once.
373 2000-11-22 Michael Meissner <meissner@redhat.com>
375 * d30v.h (TARGET_SWITCHES): Add documentation strings.
376 (TARGET_OPTIONS): Ditto.
377 (OPTIMIZATION_OPTIONS): Temporarily turn off -frename-registers if
380 Wed Nov 22 06:40:56 2000 Jeffrey A Law (law@cygnus.com)
382 * pa.c (hppa_encode_label): Account for addition of encoding
383 character when allocating persistent space for the new label
386 2000-11-22 Zack Weinberg <zack@wolery.stanford.edu>
388 * Makefile.in, config.gcc, configure.in: Expunge remaining
389 traces of facility for running MD files through C preprocessor.
391 2000-11-22 Joseph S. Myers <jsm28@cam.ac.uk>
393 * gcov.texi: Add magic comments for texi2pod.pl.
394 * Makefile.in: Add rules to generate and install gcov.1.
395 * gcov.1: New (generated) file.
397 2000-11-21 Richard Henderson <rth@redhat.com>
399 * regrename.c (scan_rtx_reg): Terminate the chain rather than
400 abort on mark_read with NO_REGS.
402 2000-11-21 Mike Stump <mrs@wrs.com>
404 * fixinc/fixtests.c (TEST_FOR_FIX_PROC_HEAD): Fix to allow
405 compilation with older compilers, such as /bin/cc on SunOS.
406 * fixinc/fixfixes.c (FIX_PROC_HEAD): Ditto.
408 2000-11-21 Richard Henderson <rth@redhat.com>
410 * varasm.c (record_constant): Pad the constructed
411 constant_descriptor appropriately.
413 Wed Nov 22 00:52:55 2000 J"orn Rennecke <amylaar@redhat.com>
415 * rtl.h (traverse_md_constants): Declare.
416 (struct md_constant): Define.
417 * Makefile.in (HOST_RTL): Add hashtab.o .
418 (OBJS): Add hashtab.o .
419 (hashtab.o): New rule.
420 (rtl.o): Depends on HASHTAB_H.
421 * rtl.c (hashtab.h): #include.
422 (md_constants): New static variable.
423 (def_hash, def_name_eq_p, read_constants): New static functions.
424 (traverse_md_constants): New function.
425 (read_name): Do constant expansion.
426 (read_rtx): Recognize define_constants.
427 * gencodes.c (print_md_constant): New function.
428 (main): Emit #defines for all constant definitions encountered.
429 * md.texi (Constant Definitions): New node.
430 * gensupport.c (xcalloc): New function.
432 2000-11-21 Richard Henderson <rth@redhat.com>
434 * config/alpha/alpha.c (alpha_split_tfmode_frobsign): New.
435 * config/alpha/alpha-protos.h: Declare it.
436 * config/alpha/alpha.md (abstf_internal): Use it.
437 (negtf_internal): Likewise.
438 (andnotdi3): Unstar the name.
439 (movtf_internal): Add o/G alternative.
441 2000-11-21 Zack Weinberg <zack@wolery.stanford.edu>
443 * stringpool.c (stringpool_statistics): Also report number and
444 percentage of entries which are identifiers.
446 2000-11-21 Diego Novillo <dnovillo@redhat.com>
448 * gcse.c (hoist_expr_reaches_here_p): Do not mark expr_bb as
449 visited before visiting it.
451 2000-11-21 Nick Clifton <nickc@redhat.com>
453 * config/arm/arm.h: Accept TARGET_CPU_arm9tdmi,
454 TARGET_CPU_strongarm110 and TARGET_SPU_strongarm1100.
456 * config.gcc: Accept --with-cpu=arm9 and --with-cpu=arm9tdmi.
458 2000-11-21 Richard Henderson <rth@redhat.com>
460 * c-common.c (c_unsafe_for_reeval): New function.
461 (add_c_tree_codes): Register it.
462 * c-common.h: Declare it.
463 * tree.c (lang_unsafe_for_reeval): New hook.
464 (unsafe_for_reeval): Call it.
465 * tree.h: Declare it.
467 2000-11-21 Richard Henderson <rth@redhat.com>
469 * config/i386/i386.c (i386_simplify_dwarf_addr): Simplify @GOT
472 2000-11-21 Neil Booth <neilb@earthling.net>
474 * do_includes: Revert to using cpp_read_file.
476 2000-11-21 Bernd Schmidt <bernds@redhat.co.uk>
478 * loop.c (consec_sets_giv): If the reg we're examining is anything
479 but UNKNOWN_INDUCT, do nothing.
480 Reset the reg's type to UNKNOWN_INDUCT before returning.
482 Mostly from Vladimir Makarov (vmakarov@redhat.com)
483 * ia64.md (attr itanium_class): Define insn types as described in
485 (all insn patterns): Use itanium_class, not type attributes.
486 Occasionally split alternatives as necessary.
487 (attr type): Compute from new attr itanium_class.
489 2000-11-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
491 * tradcpp.c (output_line_command): Mark system headers as such in
494 2000-11-21 Jakub Jelinek <jakub@redhat.com>
496 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Sparc has .file/.loc
497 support in as as well.
498 * configure: Regenerate.
500 2000-11-20 Richard Henderson <rth@redhat.com>
502 * c-lex.c (orig_filename): New variable.
503 (init_c_lex): Set it. Move call to cpp_start_read ...
504 (yyparse): ... here. New function.
505 * c-parse.in (yyparse_1): Rename the parser entry point.
506 * c-tree.h: Declare it.
508 2000-11-21 Jakub Jelinek <jakub@redhat.com>
510 * expr.c (do_compare_and_jump): If op0 was replaced by promoted
511 integer constant, use type of op1 for comparison.
513 2000-11-20 Stan Shebs <shebs@apple.com>
515 * config/rs6000/xm-darwin.h: New file, Darwin host definitions.
516 * config/rs6000/x-darwin: New file, Darwin host fragment.
517 * config.gcc (powerpc-*-darwin*): New host.
518 * system.h (HAVE_DESIGNATED_INITIALIZERS): Allow this to be
519 overridden by a config file.
521 2000-11-20 Neil Booth <neilb@earthling.net>
523 * cppmacro.c (paste_tokens): Rename from paste_payloads.
524 Change token type after pasting spellings.
525 (paste_all_tokens): Use it.
526 * gcc.dg/cpp/paste2.c: Update test.
527 * objc/execute/paste.m: New test.
529 2000-11-20 Richard Henderson <rth@redhat.com>
531 * dwarf.h (FMT_CODE): Adjust argument order; fix mapping to
532 dwarf_subscr_data_formats bits.
533 * dwarfout.c (simple_type_size_in_bits): Handle a type with
534 no computed size as size zero.
535 (field_byte_offset): Likewise.
536 (subscript_data_attribute): Handle a range with no upper bound.
538 2000-11-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
540 * gansidecl.h (const): Check __STDC__ before undef'ing `const'.
542 2000-11-20 Joseph S. Myers <jsm28@cam.ac.uk>
544 * c-typeck.c (build_conditional_expr): When merging type
545 qualifiers for conditional expressions between a pointer and a
546 pointer to a void type, merge the qualifiers on the target types
547 rather than the pointer type. Remove obsolete conditioned out
550 2000-11-20 Neil Booth <neilb@earthling.net>
552 * c-lang.c (lang_init_options): Update call to
554 * cppmain.c (main): Similarly.
555 * fix-header.c (read_scan_file): Similarly.
556 * cp/lex.c (lang_init_options): Similarly.
557 * objc/objc-act.c (lang_init_options): Similarly.
558 * cppexp.c (parse_number): Only warn for unextended C89.
559 * cppinit.c (set_lang): New function.
560 (cpp_reader_init): Take a LANG argument and pass it to set_lang.
561 (COMMAND_LINE_OPTIONS): New option std=c++98.
562 (cpp_handle_option): Use set_lang.
563 * cpplex.c (_cpp_lex_token): Warn pedantically if not C99.
564 * cppib.h (enum_c_lang): New enumeration. Update comments.
566 2000-11-20 Will Cohen <wcohen@redhat.com>
568 * calls.c (expand_call): Clear target only when target is in
569 hard register and current_function_check_memory_usage is set.
571 2000-11-20 Bernd Schmidt <bernds@redhat.co.uk>
573 * toplev.c (rest_of_compilation): Run optimize_mode_switching even
575 * sh.c (emit_sf_insn, emit_df_insn): Just call emit_insn.
577 2000-11-19 Richard Henderson <rth@redhat.com>
579 * crtstuff.c (force_to_data): Use array size 1 not 0.
581 * dwarf2out.c (simple_type_size_in_bits): Handle a type with
582 no computed size as size zero.
583 (field_byte_offset): Likewise.
585 2000-11-20 Joseph S. Myers <jsm28@cam.ac.uk>
587 * config.gcc: Fix another typo.
589 2000-11-19 Richard Henderson <rth@redhat.com>
591 * c-decl.c (grokdeclarator): Support flexible array members.
592 Use open-ended ranges for these and zero-length arrays.
593 * c-typeck.c (push_init_level): Validate the context of
594 initialization of a zero-length array.
595 * tree.c (int_fits_type_p): Be prepared for missing bounds.
596 * varasm.c (array_size_for_constructor): New.
597 (output_constructor): Use it for arrays of unspecified length.
598 * extend.texi (Zero Length): Mention C99 flexible array members.
599 Document initialization in a top-level struct as valid.
601 2000-11-19 Joseph S. Myers <jsm28@cam.ac.uk>
603 * config.gcc, invoke.texi: Fix errors in spelling of "deprecated".
605 * alias.c (mems_in_disjoint_alias_sets_p): Do use alias sets in
606 stdarg and varargs functions.
608 2000-11-19 Zack Weinberg <zack@wolery.stanford.edu>
610 * gcc.c (process_command): Define 'j' variable when
611 MODIFY_TARGET_NAME is defined.
613 2000-11-19 Richard Henderson <rth@redhat.com>
615 * stor-layout.c (variable_size): Only put SAVE_EXPRs on pending_sizes.
617 2000-11-19 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
619 * rs6000/rs6000.c (rs6000_encode_section_info): Fix string length
620 calculation and allocation.
622 2000-11-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
624 * builtins.c (c_getstr): Constify variable.
625 * gmon-sol2.c (_mcleanup): Comment out #endif labels.
626 * conflict.c (const_conflict_graph_arc): New typedef.
627 (arc_hash, arc_eq): Avoid needlessly casting away const-ness.
628 * cppmacro.c (builtin_macro): Likewise.
629 * dwarf2out.c (output_comp_unit): Constify variable.
630 * fix-header.c (v_fatal): Add ATTRIBUTE_PRINTF.
631 * protoize.c (IS_SAME_PATH_CHAR): Use TOUPPER, not toupper.
632 * ssa.c (ssa_rename_from_hash_function): Avoid needlessly casting
634 * tradcpp.c (rescan, do_line, macroexpand, macarg): Use
635 ISALNUM/ISDIGIT/ISPRINT, not isalnum/isdigit/isprint.
636 * varasm.c (const_str_htab_hash, const_str_htab_eq,
637 compare_constant_1, record_constant_1): Constify.
639 2000-11-18 Richard Henderson <rth@redhat.com>
641 * c-decl.c (grokdeclarator): Special case the creation of an
642 index for a zero-length array.
643 * tree.c (build_index_type): Revert Oct 20 change.
645 2000-11-18 Marek Michalkiewicz <marekm@linux.org.pl>
647 * config/avr/avr-protos.h (avr_output_addr_vec_elt): Prototype.
648 * config/avr/avr.c (jump_tables_size): New variable.
649 (function_prologue): Initialize it as 0.
650 (function_epilogue): Add it to function_size.
651 (avr_output_addr_vec_elt): New function. Count words in jump
652 tables in jump_tables_size. Move code ...
653 * config/avr/avr.h (ASM_OUTPUT_ADDR_VEC_ELT): ... from here.
654 Call avr_output_addr_vec_elt instead.
655 * config/avr/avr.md (tablejump): Remove disabled define_expand.
657 2000-11-18 Mark Mitchell <mark@codesourcery.com>
659 * configure.in: Make --enable-new-gxx-abi the default.
660 * configure: Likewise.
662 2000-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
664 * Makefile.in (tradcpp.o, tradcif.o): Depend on tradcpp.h.
666 * tradcif.y: Include tradcpp.h. Constify. Make functions static.
667 Move extern function declarations to tradcpp.h.
669 * tradcpp.c: Likewise.
671 * tradcpp.h: New file.
673 2000-11-18 Joseph S. Myers <jsm28@cam.ac.uk>
675 * c-decl.c (check_for_loop_decls): New function.
676 * c-parse.in (for_init_stmt): New.
677 (select_or_iter_stmt): Use for_init_stmt.
678 * c-tree.h (check_for_loop_decls): New declaration.
680 2000-11-18 Neil Booth <neilb@earthling.net>
682 * cppinit.c: Update comments.
683 (cpp_reader_init): Make -imacro and -include use the standard
684 #include "" search path.
685 (do_includes): New function.
687 2000-11-18 Ben Elliston <bje@redhat.com>
689 * config/sh/crt1.asm (start_l): Move PC-relative move instruction
690 out of a branch delay slot.
692 2000-11-17 Richard Henderson <rth@redhat.com>
694 * config/alpha/elf.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
695 (ASM_SPEC): Disable and enable .mdebug based on -gstabs.
696 (ASM_FILE_START): Only write out ecoff .file directive if
697 emitting mdebug debugging.
699 2000-11-17 Richard Henderson <rth@redhat.com>
701 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): New. Detect
702 whether as accepts .file/.loc and produces dwarf2 line info.
703 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Default on if
704 the assembler supports it.
705 * config.in, configure: Regenerate.
707 2000-11-17 Richard Henderson <rth@redhat.com>
709 * fixinc/mkfixinc.sh: Don't disable fixincludes for any linux*.
711 2000-11-17 Jim Wilson <wilson@redhat.com>
713 * config/ia64/ia64.c (emit_insn_group_barriers, case CALL_INSN):
714 Don't clear need_barrier is next_insn is a CALL_INSN, or has
715 instruction type B or UNKNOWN.
717 2000-11-17 Neil Booth <neilb@earthling.net>
719 * cpperror.c (print_file_and_line): Don't display line number if 0.
721 2000-11-17 Zack Weinberg <zack@wolery.stanford.edu>
723 * ggc.h: Delete ggc_add_string_root and ggc_mark_string. Add
724 digit_vector and digit_string.
725 * stringpool.c (digit_vector): New.
726 (ggc_alloc_string): Use digit_string.
728 * stmt.c (digit_strings): Delete.
729 (init_stmt): Do not initialize digit_strings.
730 (expand_asm_operands): Use ggc.h's digit_string macro.
731 * toplev.c (mark_file_stack): Delete.
732 (compile_file): Don't call init_tree_codes.
733 (main): No need to make the file stack a GC root.
734 * tree.c (init_tree_codes): Delete.
735 * tree.h (init_tree_codes): Delete.
737 * c-lex.c: Don't include ggc.h.
738 (mark_splay_tree_node, mark_splay_tree): Delete.
739 (init_c_lex): No need to ggc_strdup string constant. Don't add
740 file_info_tree to GGC roots.
741 (cb_enter_file, cb_rename_file): No need to ggc_strdup
744 * Makefile.in (c-lex.o): No longer depends on $(GGC_H).
746 * dbxout.c (dbxout_init),
747 dwarf2out.c (dwarf2out_line),
748 ggc-common.c (ggc_mark_rtx_children, ggc_mark_trees),
749 varasm.c (mark_const_hash_entry, mark_pool_constant, init_varasm_once),
750 xcoffout.c (xcoffout_source_file),
751 i386.c (load_pic_register):
752 Delete call(s) to ggc_add_string_root and/or ggc_mark_string.
754 * except.c (create_rethrow_ref),
755 profile.c (init_edge_profiler),
756 toplev.c (compile_file),
757 varasm.c (named_section, assemble_static_space,
758 assemble_trampoline_template, output_constant_def, force_const_mem),
759 i386.c (load_pic_register),
760 ia64.c (ia64_encode_section_info),
761 rs6000.c (rs6000_emit_load_toc_table, create_TOC_reference,
762 rs6000_emit_prologue, rs6000_emit_epilogue),
763 rs6000.md (load_toc_aix_si, load_toc_aix_di):
764 Change ggc_alloc_string (var, -1) to ggc_strdup (var).
766 * profile.c (output_func_start_profiler),
768 i386.c (load_pic_register): No need to ggc_strdup string constant.
770 2000-11-17 Hans-Peter Nilsson <hp@axis.com>
772 * Makefile.in (config.status): Depend on config.gcc.
773 * configure.in <for machine in $build $host $target>: Move
774 contents of loop into config.gcc, removing autoconf quoting.
775 Fix changequote bug for alpha*-*-vxworks*.
776 * configure: Regenerate.
779 2000-11-16 Zack Weinberg <zack@wolery.stanford.edu>
781 * c-parse.in (if_prefix): Find the filename and line number at
782 $-2 and $-1 respectively.
783 * diagnostic.c (error_recursion): Add missing newline, use
784 fputs, translate string.
786 2000-11-16 Zack Weinberg <zack@wolery.stanford.edu>
788 * stringpool.c: New file.
789 * ggc-common.c (ggc_mark_string_ptr, ggc_add_string_root): Delete.
790 (ggc_alloc_string): Now in stringpool.o.
791 * ggc-page.c, ggc-simple.c: Do not define or allocate empty_string.
792 * ggc.h: Delete prototype of ggc_add_string_root. #define
793 ggc_add_string_root and ggc_mark_string to nothing. Prototype
794 init_stringpool and stringpool_statistics.
795 (ggc_alloc_string): Returns a const char *.
796 * tree.c (hash_table, do_identifier_warnings): Delete.
797 (init_obstacks): Don't initialize the identifier hash table.
798 (get_identifier, maybe_get_identifier, start_identifier_warnings,
799 set_identifier_size): Now in stringpool.c.
800 * tree.h (struct tree_string): Constify pointer field.
801 (approx_sqrt): Prototype.
803 * Makefile.in (stringpool.o): Add rule, mention in OBJS.
805 * toplev.c (approx_sqrt): New function.
806 (compile_file): Call stringpool_statistics if mem_report is on.
807 (main): Call init_stringpool.
809 * builtins.c (c_strlen), c-decl.c (finish_decl), c-lex.c
810 (process_directive), c-typeck.c (constructor_asmspec, struct
811 initializer_stack, start_init), except.c (create_rethrow_ref),
812 stmt.c (digit_strings), toplev.c (decode_f_option), tree.c
813 (built_in_filename), varasm,c (in_named_name,
814 assemble_static_space, struct constant_descriptor, struct
815 deferred_string, struct pool_constant, force_const_mem),
816 i386.c (pic_label_name, global_offset_table_name), rs6000.c
817 (rs6000_emit_prologue, rs6000_emit_epilogue) : Constify a char *.
819 * c-common.c (combine_strings): Combine strings in scratch
820 buffer, then pass to build_string.
821 * optabs.c (init_libfuncs), profile.c (init_edge_profiler,
822 output_func_start_profiler), stmt.c (init_stmt), alpha.c
823 (alpha_need_linkage), arm.c (arm_encode_call_attribute),
824 i386.c (load_pic_register), ia64.c (ia64_encode_section_info),
825 rs6000.c (rs6000_encode_section_info): Create string in
826 scratch buffer, then pass to ggc_alloc_string.
828 * stmt.c (expand_asm_operands): If we must adjust the
829 constraint strings, do so by creating a new one, not by
830 modifying the old one in place. Constify some char *s.
831 * config/pa/pa.c (hppa_encode_label): Drop unnecessary second
832 argument. Create string in scratch buffer, then pass to
834 * config/pa/pa-protos.h: Update prototype.
835 * config/pa/elf.h, config/pa/pa.h, config/pa/som.h:
836 hppa_encode_label takes only one argument.
838 2000-11-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
840 * mcore.c (mcore_expand_prolog): Call xmalloc/xrealloc, not
843 * cpplib.c (glue_header_name): Likewise.
845 * fixincl.c (run_compiles, start_fixer): Likewise.
847 * fixlib.c (load_file_data): Likewise.
849 * mkdeps.c (munge): Likewise.
851 2000-11-17 Hans-Peter Nilsson <hp@axis.com>
853 * defaults.h [EH_FRAME_SECTION_ASM_OP] (EH_FRAME_SECTION): Remove
854 trailing ';'. Fix formatting.
856 2000-11-16 Jim Wilson <wilson@redhat.com>
858 * config/ia64/ia64.h (MASK_INLINE_DIV_LAT, MASK_INLINE_DIV_THR):
859 Shift masks left by one to avoid conflict.
861 * config/ia64/ia64.c (ia64_encode_section_info): Disallow decls with
864 2000-11-16 Nick Clifton <nickc@redhat.com>
866 * config/arm/arm.c (output_arm_prologue): Note nested functions.
867 (arm_expand_prologue): For nested functions preserve the
868 static chain register during stack frame creation.
870 * config/arm/arm.h (STATIC_CHAIN_REGNUM): Change to 12.
871 (ARM_INITIAL_FRAME_ELIMINATION_OFFSET): For a nested function
872 with a stack frame there is a 4 byte gap between the arg
873 pointer and the hard frame pointer (used to preserve the
874 static chain register during stack frame creation).
876 2000-11-16 DJ Delorie <dj@redhat.com>
878 * rtl.c (read_rtx): Provide suitable names for unnamed
879 define_insn and define_insn_and_split patterns, based on file
882 2000-11-15 Neil Booth <neilb@earthling.net>
884 * cpplib.c (start_directive, end_directive): New functions.
885 (_cpp_handle_directive, run_directive): Use them.
886 (_cpp_handle_directive): Don't -Wtraditional on indented
888 (_cpp_push_buffer): Don't re-clear was_skipping.
889 * cpplib.h (struct cpp_reader): New member la_saved.
890 * cppmacro.c (cpp_get_token): Don't interpret _Pragma in
893 gcc.dg/cpp/_Pragma1.c: Update.
894 gcc.dg/cpp/_Pragma2.c: New test.
896 2000-11-15 Mark Mitchell <mark@codesourcery.com>
898 * toplev.c (wrapup_global_declarations): Don't write out
899 artificial static variables that aren't needed.
901 2000-11-15 Bernd Schmidt <bernds@redhat.co.uk>
903 * ia64.c (struct group): New structure.
904 (last_group): New static array.
905 (group_idx): New static variable.
906 (emit_group_barrier_after, errata_find_address_regs, errata_emit_nops):
907 New static functions.
908 (emit_insn_group_barriers): Initialize and keep track of group_idx
910 Call errata_emit_nops if TARGET_B_STEP or TARGET_A_STEP.
911 Replace all calls to emit_insn_after that emit a group barrier to use
912 emit_group_barrier_after.
913 * ia64.h (MASK_B_STEP): New.
914 (other MASK_XXX macros): Renumbered.
915 (TARGET_B_STEP): New.
916 (TARGET_SWITCHES): Add -mb-step.
918 2000-11-15 Fred Fish <fnf@be.com>
920 * fixinc/mkfixinc.sh (fixincludes): Add *-*-beos* to list of
921 machines for which fixincludes is not needed.
922 * config/i386/x-beos (STMP_FIXPROTO): Don't run fixproto.
924 2000-11-15 Jason Merrill <jason@redhat.com>
926 * diagnostic.c (finish_abort): New fn.
927 (fancy_abort, error_recursion): Use it.
928 * toplev.c (crash_signal): Likewise.
929 * diagnostic.h: Declare it.
931 2000-11-13 Andrew Haley <aph@redhat.com>
933 * tree.c (build_type_no_quals): New function.
934 * tree.h (build_type_no_quals): Declare.
935 * c-common.c (c_get_alias_set): When considering type
936 compatibility for pointer types, ignore cv-qualifiers anywhere in
939 2000-11-15 Graham Stott <grahams@redhat.com>
941 * regrename.c (scan_rtx_rtx): Skip to the next chain on
942 encountering a terminated chain.
944 2000-11-14 Mark Mitchell <mark@codesourcery.com>
946 * configure.in: Move check for V3 above check for C++ header-file
948 * configure: Regenerated.
950 2000-11-14 DJ Delorie <dj@redhat.com>
952 * config/v850/v850.c: Remove obstacks.
954 Tue Nov 14 21:54:31 2000 Marek Michalkiewicz <marekm@linux.org.pl> & Denis Chertykov <denisc@overta.ru>
956 * config/avr/avr.c (avr_case_values_threshold): New.
957 (avr_override_options): Set it depending on options, make it large
958 when not optimizing to work around "unable to generate reloads".
960 * config/avr/avr.h (TARGET_SWITCHES): Add -mno-tablejump option.
961 (EXTRA_SECTION_FUNCTIONS): Make the .progmem.gcc_sw_table section
962 executable if not AVR_MEGA. Make sure jump tables are word-aligned.
963 (JUMP_TABLES_IN_TEXT_SECTION): Define as 0, not 1.
964 (ASM_OUTPUT_ADDR_VEC_ELT): Optimize, use "rjmp" if not AVR_MEGA.
965 (avr_case_values_threshold): Declare as extern int.
966 (CASE_VALUES_THRESHOLD): Define as avr_case_values_threshold.
968 * config/avr/avr.md (tablejump): Removed.
969 (*tablejump_rjmp): New for jump tables made from "rjmp" instructions.
970 (*tablejump_lib, *tablejump_enh, *tablejump): Change to expect the
971 index in the table, not multiplied by 2.
972 (casesi): Change to match the above insns. Always enable.
974 * config/avr/libgcc.S (__tablejump__): Rename to __tablejump2__.
975 Change to expect the word address of the table, multiply it by 2
976 here and not in the caller. Change "adiw" to faster "inc".
978 2000-11-14 Neil Booth <neilb@earthling.net>
980 * cppexp.c (parse_defined): Call cpp_get_token not
983 * cpplex.c (cpp_output_line): Similarly.
984 * cpplib.c (glue_header_name, do_line, do_ident,
985 parse_answer, parse_assertion): Similarly.
986 (_cpp_handle_diretive): Don't save to lookaheads
987 when processing directives.
988 * cppmacro.c (parse_arg, expand_arg): Call cpp_get_token not
990 (funlike_invocation_p): Don't save to lookaheads
991 when pre-expanding arguments.
992 (_cpp_get_token): Delete.
993 (cpp_get_token): Merge contents of _cpp_get_token.
995 2000-11-14 Jakub Jelinek <jakub@redhat.com>
997 * builtins.c (expand_builtin_setjmp): Set
998 current_function_calls_setjmp.
999 (expand_builtin_longjmp): Set current_function_calls_longjmp.
1001 * config/sparc/sparc.md (builtin_setjmp_setup): New expand.
1002 (do_builtin_setjmp_setup): New insn.
1004 Tue Nov 14 12:34:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1006 * tree.c (get_unwidened): Use host_integerp and tree_low_cst.
1007 (int_fits_type_p): For variable bounds, call force_fit_type.
1009 2000-11-14 Jakub Jelinek <jakub@redhat.com>
1011 * varasm.c (struct deferred_string): New structure.
1012 (const_str_htab): New variable.
1013 (STRHASH): New macro.
1014 (mark_const_str_htab_1, mark_const_str_htab, const_str_htab_hash,
1015 constr_str_htab_eq, const_str_htab_del): New functions.
1016 (output_constant_def): Add DEFER argument, defer string
1017 constants until mark_constant_pool time if requested.
1018 (mark_constant_pool): Walk the insn chain even if const_str_htab is
1020 (mark_constants): If a SYMBOL_REF for deferred string is found,
1021 output it and remove from hash table.
1022 (output_addressed_constants): Set DEFER to 0 in call to
1023 output_constant_def.
1024 * rtl.h (STRING_POOL_ADDRESS_P): Define.
1025 (output_constant_def): Adjust prototype.
1026 * expr.c (expand_expr): Set DEFER to 1 in call to output_constant_def.
1028 2000-11-14 Chandrakala Chavva <cchavva@redhat.com>
1030 * optabs.c (expand_complex_ab):: Use overflow-trapping optabs for
1031 signed types if flag_trapv.
1033 2000-11-14 Zack Weinberg <zack@wolery.stanford.edu>
1035 * tradcpp.c, tradcif.y: Update FSF mailing address, delete
1038 2000-11-14 Joseph S. Myers <jsm28@cam.ac.uk>
1040 * c-common.h (CTI_C_SIZE_TYPE): Update comment.
1042 2000-11-14 Jakub Jelinek <jakub@redhat.com>
1044 * varasm.c (struct varasm_status): Change x_const_rtx_sym_hash_table
1045 to array of pool_constnat pointers.
1046 (struct pool_constant): Add next_sym and label members.
1047 (struct pool_sym): Remove.
1048 (init_varasm_status): Change pool_sym into pool_constant.
1049 (mark_pool_constant): Mark pc->label string as well.
1050 (mark_pool_sym_hash_table): Remove.
1051 (mark_varasm_status): Remove it from caller as well.
1052 (free_varasm_status): Don't free pool_sym structures.
1053 (force_const_mem): Don't allocate pool_sym structure, instead
1054 fill pool->label and chain it into rtx_sym hash table.
1055 (find_pool_constant, mark_constant_pool): Use pool_constant instead
1058 2000-11-14 Jakub Jelinek <jakub@redhat.com>
1060 * reload1.c (emit_input_reload_insns): Honour forcing of constants
1061 into memory by PREFERRED_RELOAD_CLASS NO_REGS.
1063 2000-11-14 Michael Matz <matzmich@cs.tu-berlin.de>
1065 * dominance.c: New file.
1066 * Makefile.in (OBJS): Add dominance.o.
1068 * flow.c (compute_flow_dominators): Remove.
1069 (compute_immediate_dominators): Remove.
1070 (compute_immediate_postdominators): Remove.
1071 * basic-block.h: Remove their prototypes.
1072 (calculate_dominance_info): Add prototype.
1074 * dce.c (eliminate_dead_code): Change calls to above functions.
1075 Don't compute dominators but only immediate dominators.
1076 * flow.c (flow_loops_find): Change callers.
1077 * gcse.c (compute_code_hoist_data): Likewise.
1078 * haifa-sched.c (schedule_insns): Likewise.
1079 * ifcvt.c (if_convert): Likewise.
1080 * ssa.c (convert_to_ssa): Likewise, and only compute immediate
1083 2000-11-14 Richard Henderson <rth@redhat.com>
1085 * stmt.c (warn_if_unused_value): Don't warn if the expression
1088 * c-typeck.c (c_sizeof): Fold result to c_size_type_node.
1089 (c_sizeof_nowarn, c_alignof, c_alignof_expr): Likewise.
1091 2000-11-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1093 * loop.c (basic_induction_var): Revert accidental checkin.
1095 2000-11-13 Hans-Peter Nilsson <hp@axis.com>
1097 * c-lex.c (cb_leave_file): Harmonize conditions and order of
1098 statements to those of process_directive for (action == act_pop).
1100 * collect2.c (main): Pass on -B options from COLLECT_GCC_OPTIONS.
1102 * local-alloc.c (equiv_init_movable_p): References to CC0 are not
1105 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
1107 * c-parse.in (stmts_and_decls): Deprecate use of label at end of
1110 2000-11-13 Neil Booth <neilb@earthling.net>
1112 * cpplex.c (_cpp_lex_token): CPP_COMMENT and true CPP_EOF
1113 cases return without MI check.
1114 * cpplib.c (do_diagnostic): Take boolean of whether to
1115 print the directive name.
1116 (do_error, do_warning): Update.
1117 (do_pragma_dependency): Use it.
1118 * cpplib.h (VARARGS_FIRST): Delete.
1119 (struct cpp_token): Delete integer.
1120 * cppmacro.c (enter_macro_context): Move disabled check
1122 (_cpp_get_token): Simplify into a single loop.
1124 2000-11-13 Richard Earnshaw <rearnsha@arm.com>
1126 * configure.in: Use 'test -f' not '[ -e'.
1127 * configure: Regenerated.
1129 2000-11-13 DJ Delorie <dj@redhat.com>
1131 * config/mn10300/mn10300.md (store_movm): Note which registers are
1132 really used or clobbered.
1134 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
1136 * c-parse.in (ends_in_label): Remove from %union and %type.
1137 (decls, stmts, lineno_stmt_or_labels, xstmts,
1138 lineno_stmt_or_label, stmt_or_label): Remove.
1139 (stmts_and_decls, lineno_stmt_decl_or_labels_ending_stmt,
1140 lineno_stmt_decl_or_labels_ending_decl,
1141 lineno_stmt_decl_or_labels_ending_label,
1142 lineno_stmt_decl_or_labels_ending_error,
1143 lineno_stmt_decl_or_labels, compstmt_contents_nonempty,
1144 lineno_stmt, lineno_label): New.
1145 (compstmt_nostart): Use compstmt_contents_nonempty.
1147 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
1149 * c-common.c (boolean_increment): New function.
1150 * c-common.h (enum c_tree_index): Add CTI_C_BOOL_TYPE,
1151 CTI_C_BOOL_TRUE and CTI_C_BOOL_FALSE.
1152 (c_bool_type_node, c_bool_true_node, c_bool_false_node): Define.
1153 (boolean_increment): Declare.
1154 * c-convert.c (convert): Allow for BOOLEAN_TYPE.
1155 * c-decl.c (init_decl_processing): Create boolean nodes.
1156 (finish_struct): Allow for _Bool bitfields.
1157 * c-parse.in (reswords): Add _Bool.
1158 (rid_to_yy): Allow for RID_BOOL.
1159 * c-typeck.c (default_conversion): Make booleans promote to int.
1160 (convert_arguments, build_unary_op, build_modify_expr,
1161 convert_for_assignment): Allow for booleans.
1162 * ginclude/stdbool.h: Make conforming to C99.
1164 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
1166 * c-parse.in (c99_block_start, c99_block_end,
1167 c99_block_lineno_labeled_stmt): New.
1168 (simple_if, do_stmt_start): Use c99_block_lineno_labeled_stmt.
1169 (stmt): Split off selection and iteration statements into...
1170 (select_or_iter_stmt): New. Use c99_block_lineno_labeled_stmt.
1172 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
1174 * invoke.texi (-Wtrigraphs, -fdump-translation-unit, -save-temps,
1177 2000-11-13 Richard Earnshaw <rearnsha@arm.com>
1179 * arm.md (mulsidi3adddi, umulsidi3adddi): Revert previous change.
1180 Rewrite to avoid use of match_dup. Don't try to tie registers that
1181 are not in the same mode.
1183 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
1185 * invoke.texi: Update lists of languages and suffixes supported.
1187 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
1189 * configure.in: Take toplevel configure arguments from the
1190 environment to create configargs.h and substitute
1191 gcc_config_arguments, taking account of any existing configargs.h
1193 * configure: Regenerate.
1194 * gccbug.in: Include toplevel configure arguments in gccbug.
1196 2000-11-13 Richard Earnshaw <rearnsha@arm.com>
1198 * varasm.c (struct constant_descriptor): Put CONTENTS inside a
1199 union to make it well-aligned. Update all uses.
1201 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
1203 * c-parse.in (initelt): Give appropriate pedantic warnings,
1204 depending on flag_isoc99, for non-ISO syntax and for C99 syntax
1206 (designator): If pedantic, pedwarn for a designator specifying a
1208 * c-typeck.c (set_init_index, set_init_label): Don't pedwarn for
1210 * extend.texi: Document the C99 syntax as the preferred syntax,
1211 and the pre-2.5 syntax as obsolete. Mention use of designator
1212 lists for nested subobjects.
1214 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
1216 * diagnostic.c (vbuild_message_string, output_do_printf, vnotice):
1217 Add ATTRIBUTE_PRINTF.
1218 * tradcpp.c (v_message, warning, error, fatal, error_with_line):
1219 Add ATTRIBUTE_PRINTF*.
1221 2000-11-12 Mark Mitchell <mark@codesourcery.com>
1223 * function.c (assign_parms): When calling put_var_into_stack, make
1224 sure that there are no hidden pending sequences.
1226 2000-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1228 * builtins.c (expand_builtin): Handle BUILT_IN_INDEX and
1229 BUILT_IN_RINDEX. Add missing checks for BUILT_IN_STRCHR and
1232 * builtins.def (BUILT_IN_INDEX, BUILT_IN_RINDEX): New entries.
1234 * c-common.c (c_common_nodes_and_builtins): Declare index and
1235 rindex when nonansi builtins are allowed.
1237 * extend.texi (index, rindex): Document new builtins.
1239 2000-11-12 Mark Mitchell <mark@codesourcery.com>
1241 * configure.in: Turn on libstdc++ V3 by default.
1242 * configure: Regenerated.
1244 * fixinc/mkfixinc.sh: Use the ordinary fixincludes on Solaris.
1246 2000-11-12 Jakub Jelinek <jakub@redhat.com>
1248 * reload1.c (set_label_offsets): Go inside of PARALLELs.
1250 2000-11-12 Joseph S. Myers <jsm28@cam.ac.uk>
1252 * invoke.texi: Clean up option summary.
1254 2000-11-12 Nick Clifton <nickc@redhat.com>
1256 * config/mcore/mcore.c: Fix comment formating, and adjust sequence
1257 of #include headers.
1259 2000-11-12 Marc Espie <espie@openbsd.org>
1261 * configure.in: Fix filds test.
1264 2000-11-12 Mark Mitchell <mark@codesourcery.com>
1266 * jump.c (delete_computation): Don't assume that just becuase an
1267 instruction sets a register, that register is dead.
1269 2000-11-12 Neil Booth <neilb@earthling.net>
1271 * cppexp.c: Don't worry about pfile->skipping.
1272 * cpplib.c (struct if_stack): Make was_skipping unsigned char.
1273 (cpp_handle_directive): Save pfile->skipping in struct cpp_buffer
1274 for handled directives.
1275 (skip_rest_of_line): Use _cpp_lex_token after popping contexts
1276 and releasing lookaheads.
1277 (do_ifdef, do_ifndef, do_if): Use buffer->was_skipping.
1278 (do_else, do_elif, push_conditional): Update logic.
1279 (do_endif): Set buffer->was_skipping rather than pfile->skipping.
1280 (unwind_if_stack): Inline into cpp_pop_buffer.
1281 (cpp_push_buffer): Clear ifs->was_skipping for cpp_handle_directive.
1282 * cpplex.c (_cpp_lex_token): Clear skipping on EOF. Handle
1283 multiple-include optimisation.
1284 * cpplib.h (struct cpp_buffer): New member was_skipping.
1285 * cppmacro.c (_cpp_get_token): Loop whilst pfile->skipping. This
1286 works because skipping == 0 in directives.
1287 (_cpp_release_lookahead): Renamed from release_lookahead.
1288 (cpp_get_token): No need to check skipping as _cpp_get_token does
1289 this for us. No need to handle MI optimisation.
1291 Sat Nov 11 21:14:02 2000 Mark P Mitchell <mark@codesourcery.com>
1293 * fixinc/inclhack.def (sunos_matherr_decl): Bypass matherr
1294 declarations that use `__MATH_EXCEPTION' in their prototypes, too.
1295 * fixinc/fixincl.x: Regenerated.
1297 2000-11-11 Bruce Korb <bkorb@gnu.org>
1299 * fixinc/inclhack.def (avoid_bool_type): avoid commenting out #endif
1300 (avoid_wchar_t_type): ditto
1301 * fixinc/fixinc.irix: obsoleted
1303 2000-11-11 Zack Weinberg <zack@wolery.stanford.edu>
1305 * configure.in: Don't add $outputs to all_lang_makefiles. Add
1306 $srcdir/$s/Makefile.in if it exists.
1307 * configure: Regenerate.
1309 Sat Nov 11 18:41:20 2000 Mark P Mitchell <mark@codesourcery.com>
1311 * fixinc/mkfixinc.sh: Use the ordinary fixincludes on IRIX.
1313 2000-11-11 Jason Merrill <jason@redhat.com>
1315 * function.c (assign_parms): If TREE_ADDRESSABLE is set, try to
1316 give the parm a register and then call put_var_into_stack.
1317 * stmt.c (expand_decl): Likewise.
1319 2000-11-11 Joseph S. Myers <jsm28@cam.ac.uk>
1321 * gcc.texi: Adjust wording.
1323 2000-11-11 Mark Mitchell <mark@codesourcery.com>
1325 * fixinc/inclhack.def (avoid_wchar_t_type): New fix.
1326 * fininc/fixincl.x: Regenerated.
1328 2000-11-11 Joseph S. Myers <jsm28@cam.ac.uk>
1330 * invoke.texi: Correct spelling of -foptimize-register-move.
1332 2000-11-11 Neil Booth <neilb@earthling.net>
1334 Remove CPP_PLACEMARKERs.
1336 * cppexp.c (lex): Don't handle CPP_PLACEMARKER.
1337 * cpplex.c (_cpp_lex_token): Rename skip_newlines to next_bol
1338 * cpplib.c (skip_rest_of_line, check_eol, cpp_push_buffer):
1340 * cpplib.h: Remove CPP_PLACEMARKER.
1341 (struct lexer_state): Rename skip_newlines to next_bol.
1342 * cppmacro.c (stringify_arg): Don't handle CPP_PLACEMARKER.
1343 Simplify prev_white handling as a result.
1344 (paste_all_tokens): Don't worry about CPP_PLACEMARKERs.
1345 (parse_arg): Empty arguments are now empty, not CPP_PLACEMARKERs.
1346 (parse_args): Similarly. Update argument count tests.
1347 (enter_macro_context): Return 2 to indicate an empty macro.
1348 (replace_args): Don't bother pre-expanding an empty argument.
1349 Handle placemarkers and ## extension during pre-expansion.
1350 (cpp_get_token): Handle empty macro expansions. Don't worry
1351 about CPP_PLACEMARKERs.
1352 (_cpp_create_definition): Empty macros are now empty.
1353 (cpp_macro_defintion): Don't special case empty macros.
1354 * scan-decls.c: Don't bother with CPP_PLACEMARKERs.
1355 * c-lex.c: Similarly.
1357 2000-11-11 Joseph S. Myers <jsm28@cam.ac.uk>
1359 * gcc.texi, invoke.texi: Add new section discussing language
1360 standards; link to it where appropriate; refer to ISO C instead of
1363 2000-11-11 Alexandre Oliva <aoliva@redhat.com>
1365 * builtins.c (std_expand_builtin_va_start): Take PARM_BOUNDARY
1368 * config/sh/sh.h (MODES_TIEABLE_P): Don't tie SFmode to other FP
1371 2000-11-10 Joseph S. Myers <jsm28@cam.ac.uk>
1373 * gcc.texi, gcov.texi: Update dates and version numbers.
1375 2000-11-10 Zack Weinberg <zack@wolery.stanford.edu>
1377 * configure.in: Remove AC_PROG_LEX and AC_PROG_YACC. Look for
1378 flex and bison, specifically, first in a unified build and
1379 then installed on the system.
1380 * Makefile.in: Set BISON to @BISON@, FLEX to @FLEX@. Rename
1381 LEXFLAGS to FLEXFLAGS. Adjust ORDINARY_FLAGS_TO_PASS to
1384 (collect2.o, gcc.o, prefix.o, toplev.o, alloca.o, intl.o,
1385 cppdefault.o): Remove pointless sed munging of source file
1388 2000-11-10 Bernd Schmidt <bernds@redhat.co.uk>
1390 * reload.c (find_reloads_address_1, case POST_MODIFY): Use RELOAD_OTHER
1391 for address reloads. Push replacements for REG_INC notes.
1392 (regno_clobbered_p): New arg SETS. Examine SETs if it's nonzero. All
1394 * reload1.c (choose_reload_regs): Registers set in the insn can't be
1395 used for RELOAD_OTHER reloads.
1397 2000-11-10 Mark Mitchell <mark@codesourcery.com>
1399 * c-dump.h: New file.
1401 2000-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1403 * alpha.c (check_float_value): Use memcpy, not bcopy.
1404 * arm.c (output_move_double): Likewise.
1406 * m88k.c (legitimize_operand): Likewise.
1407 * m88k.h (ORDER_REGS_FOR_LOCAL_ALLOC): Likewise.
1408 * m88k.md: Likewise.
1409 * mips.c (override_options): Likewise.
1410 * mips.md: Likewise.
1411 * romp.c (output_fpops): Likewise.
1412 * rs6000.c (rs6000_override_options): Likewise.
1414 * vax.c (check_float_value): Likewise.
1416 * emit-rtl.c (copy_rtx_if_shared, init_emit_once): Likewise.
1417 * expmed.c (synth_mult): Likewise.
1418 * final.c (add_bb_string): Likewise.
1419 * genattr.c (main): Likewise.
1420 * genattrtab.c (attr_string, simplify_cond, copy_rtx_unchanging):
1422 * jump.c (thread_jumps): Likewise.
1423 * prefix.c (save_string): Likewise.
1424 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Likewise.
1425 * regclass.c (init_reg_sets, init_reg_sets_1): Likewise.
1426 * reload1.c (reload, eliminate_regs): Likewise.
1428 2000-11-10 Joseph S. Myers <jsm28@cam.ac.uk>
1430 * gcc.texi (Service): Update to reflect current practice and
1431 location of the GNU service directory.
1433 2000-11-09 Bernd Schmidt <bernds@redhat.co.uk>
1435 * regrename.c (build_def_use): Mark contents of REG_INC notes as
1436 needing replacement.
1438 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Emit
1439 a no-op move if regs are equal.
1440 * toplev.c (rest_of_compilation): Do the noop moves elimination pass
1441 when calling jump after post-reload splitting.
1443 2000-11-09 Jan van Male <jan.vanmale@fenk.wau.nl>
1445 * c-tree.texi: Fix typos.
1446 * extend.texi: Likewise
1447 * gcov.texi: Likewise
1448 * rtl.texi: Likewise
1451 2000-11-09 Hans-Peter Nilsson <hp@axis.com>
1453 * c-lex.c [! NO_IMPLICIT_EXTERN_C] (cb_enter_file): Check
1454 in_system_header and flags[1] before dereferencing flags[2].
1456 2000-11-09 Matthew Hiller <hiller@redhat.com>
1458 * reload1.c (reload_combine): Fixed calculation of
1459 first_index_reg, last_index_reg.
1461 2000-11-09 Mark Mitchell <mark@codesourcery.com>
1463 * c-dump.c (dequeue_and_dump): Dump function bodies.
1465 * Makefile.in (C_AND_OBJC_OBJS): Add c-dump.o.
1466 (c-dump.o): New target.
1467 * c-common.h (flag_dump_translation_unit): New variable.
1468 (C_TYPE_QUALS): New macro.
1469 (strip_array_types): New function.
1470 (DECL_C_BIT_FIELD): New macro.
1471 (SET_DECL_C_BIT_FIELD): Likewise.
1472 (CLEAR_DECL_C_BIT_FIELD): Likewise.
1473 (dump_info_p): New typedef.
1474 (dump_tree_fn): Likewise.
1475 (lang_dump_tree): New variable.
1476 (dump_node_to_file): New function.
1477 * c-common.c (flag_dump_translation_unit): Define it.
1478 (strip_array_types): New function.
1479 * c-decl.c (c_decode_option): Handle -fdump-translation-unit.
1480 * c-lang.c (finish_file): Call dump_node_to_file if
1481 flag_dump_translation_unit.
1482 * c-semantics.c (mark_rtl_for_local_static): Fix typo in comment.
1483 * c-tree.h (DECL_C_BIT_FIELD): Remove declaration.
1484 * c-dump.c: New file.
1486 2000-11-09 Christopher Faylor <cgf@cygnus.com>
1488 * config/i386/cygwin.h: Add mingw startfile prefix.
1490 2000-11-09 Richard Henderson <rth@redhat.com>
1492 * flow.c (invalidate_mems_from_set): Split out from ...
1493 (mark_set_1): ... here.
1494 (try_pre_increment_1): Use it. Use propagate_block_delete_insn
1495 instead of turning insn into a NOTE_INSN_DELETED.
1497 2000-11-10 Joseph S. Myers <jsm28@cam.ac.uk>
1499 * extend.texi, invoke.texi: Move documentation of builtin versions
1500 of C library functions to one place and update.
1502 2000-11-09 Richard Henderson <rth@redhat.com>
1504 * fold-const.c (fold): Compare TYPE_MAIN_VARIANT rather than
1505 the types themselves to discover type equivalence.
1507 2000-11-09 Mike Stump <mrs@wrs.com>
1509 * Makefile.in (distclean): Remove a few extra leftovers.
1511 2000-11-09 Richard Henderson <rth@redhat.com>
1513 * recog.c (validate_replace_rtx_1): Consider subregs when
1514 replacing a register with a constant inside a sign/zero_extend.
1516 * config/alpha/linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1518 2000-11-09 Geoffrey Keating <geoffk@redhat.com>
1520 * c-decl.c (finish_struct): When a structure is completed,
1521 check all its variant types for completeness.
1523 2000-11-09 Neil Booth <neilb@earthling.net>
1525 * cpphash.c: Move cpp_defined here from cpplib.c.
1526 * cpplib.c: Update comments, move cpp_defined to cpphash.c.
1527 * cpplex.c (_cpp_lex_token): Don't leave the lexer at EOL.
1528 * cppmacro.c (cpp_get_token): Update comments, no need now
1529 to catch the CPP_EOF meaning EOL case.
1531 2000-11-08 Geoffrey Keating <geoffk@redhat.com>
1533 * config/sparc/sparc.c (sparc_va_arg): When the required alignment
1534 is more than that provided, copy to a temporary.
1536 2000-11-09 Alexandre Oliva <aoliva@redhat.com>
1538 * mklibgcc.in (EXTRA_MULTILIB_PARTS): Prevent `make' from
1539 interpreting $out as a macro assignment.
1540 * Makefile.in (T_TARGET): New auxiliary macro and target.
1541 (all): Add a target right in the beginning, so that we don't build
1542 T_TARGET by default.
1544 2000-11-09 Graham Stott <grahams@redhat.com>
1546 * config/i386/i386.md (mmx_pinsrw): Output operands in correct
1547 order for -mintel-syntax. Remove comment now that the operand
1548 order has been checked.
1549 (mmx_pextrw): Likewise.
1550 (mmx_pshufw): Likewise.
1552 2000-11-09 Jakub Jelinek <jakub@redhat.com>
1554 * builtins.c (c_strlen): Use TREE_STRING_LENGTH - 1 for max.
1555 (c_getstr): New function.
1556 (expand_builtin_strstr): Do nothing if -fcheck-memory-usage.
1557 If both arguments are constant string, optimize out.
1558 (expand_builtin_strchr, expand_builtin_strrchr): New functions.
1559 (expand_builtin_strpbrk): Use c_getstr, do nothing if
1560 -fcheck-memory-usage.
1561 (expand_builtin_fputs): Likewise.
1562 (expand_builtin_strcmp): Add MODE argument.
1563 Use even if !HAVE_cmpstrsi.
1564 Optimize the case when both arguments are constant strings.
1565 (expand_builtin): Adjust expand_builtin_strcmp caller.
1566 Call expand_builtin_strchr and expand_builtin_strrchr.
1567 * c-common.c (c_common_nodes_and_builtins): Add strchr and strrchr
1569 * builtins.def (BUILT_IN_STRRCHR): Add.
1571 2000-11-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1573 * fixinc/gnu-regex.c: Rename EGCS LOCAL markers to GCC LOCAL.
1575 2000-11-09 Joseph S. Myers <jsm28@cam.ac.uk>
1577 * calls.c (expand_call, emit_library_call_value_1), collect2.c
1578 (scan_prog_file), config/a29k/a29k.c (print_operand),
1579 config/sparc/sparc.c (order_regs_for_local_alloc): Use memcpy ()
1580 instead of bcopy ().
1581 * real.h: Use memcmp () instead of bcmp ().
1582 * config/m88k/m88k.c (m88k_layout_frame), config/sh/sh.c
1583 (split_branches), config/sparc/sparc.c (ultra_flush_pipeline,
1584 ultrasparc_sched_init, ultrasparc_sched_reorder),
1585 config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Use memset ()
1586 instead of bzero ().
1587 * config/vax/xm-xms.h (FILE_NAME_NONDIRECTORY): Use strrchr ()
1588 instead of rindex ().
1589 * configure.in: Don't check for bzero, bcmp, index or rindex.
1590 * configure, config.in: Regenerate.
1591 * system.h: Don't include declarations for bzero, bcmp, index or
1593 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Don't define
1594 bzero, bcmp, index or rindex.
1596 Wed Nov 8 21:58:20 2000 Christopher Faylor <cgf@cygnus.com>
1598 * config/i386/cygwin.h: Add -no-win32 switch. Separate -mno-cygwin
1599 include and library paths from -mcygwin case. Parameterize some
1600 declarations to avoid warnings. Use standard locations for include and
1603 2000-11-08 Nick Clifton <nickc@redhat.com>
1605 * config/arm/arm.md (mulsidi3adddi): Change output operand
1606 constraint from "=&" to "+&".
1607 (umulsidi3adddi): Change output operand constraint from "=&" to
1610 2000-11-08 Richard Henderson <rth@redhat.com>
1612 * flow.c (init_propagate_block_info): Protect the rtx stored in
1613 mem_set_list from modification by find_auto_inc.
1614 (mark_set_1): Likewise.
1616 2000-11-08 Neil Booth <neilb@earthling.net>
1618 Move directive handling into the lexer itself.
1620 * cpplex.c (_cpp_lex_token): Handle directives directly.
1621 In the case of a directive interrupting a function-like
1622 macro invocation, use extra_char since read_ahead is
1623 used to store the '#'. Return a CPP_EOF in this case.
1624 * cppmacro.c (parse_arg): No need to handle CPP_DHASH any more.
1625 (cpp_get_token): Don't handle directives here.
1626 * cpplib.h: Remove CPP_DHASH token type.
1628 Wed Nov 8 21:53:41 MET 2000 Jan Hubicka <jh@suse.cz>
1630 * regmove.c (combine_stack_adjustments_for_blocks): Recognize pushes
1631 formed using PRE_MODIFY too.
1633 2000-11-08 Mark Mitchell <mark@codesourcery.com>
1635 * c-tree.texi (VAR_DECL): Describe representation of GCC's
1636 extension for placing variables in particular registers.
1638 * c-tree.texi (FUNCTION_TYPE): Clarify TYPE_ARG_TYPES for
1639 unprototyped C functions with no parameters.
1641 2000-11-08 Jakub Jelinek <jakub@redhat.com>
1643 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): Cast DELTA to int
1644 before passing to fprintf.
1646 2000-11-08 Jakub Jelinek <jakub@redhat.com>
1648 * function.c (expand_function_start): Cast GET_MODE_SIZE to
1649 HOST_WIDE_INT before negating it.
1651 2000-11-08 Jakub Jelinek <jakub@redhat.com>
1653 * expr.c (expand_expr) [ADDR_EXPR]: Handle when op0 is RETURN_DECL
1654 passed in multiple non-contiguous locations.
1656 2000-11-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1658 * README.gnat: Remove file.
1660 2000-11-08 Alexandre Oliva <aoliva@redhat.com>
1662 * mklibgcc.in (EXTRA_MULTILIB_PARTS): Generate multilib parts
1665 2000-11-07 Richard Henderson <rth@redhat.com>
1667 * dwarfout.c (INSN_LABEL_FMT): Remove.
1668 (output_label_die): Use ASM_GENERATE_INTERNAL_LABEL.
1669 (dwarfout_label): Remove.
1670 * dwarfout.h: Remove it's prototype.
1671 * dwarf2out.c (INSN_LABEL_FMT): Remove.
1672 (gen_label_die): Use ASM_GENERATE_INTERNAL_LABEL.
1673 (dwarf2out_label): Remove.
1674 * dwarf2out.h: Remove it's prototype.
1675 * final.c (final_scan_insn): Don't call dwarf[2]out_label.
1677 2000-11-07 Richard Henderson <rth@redhat.com>
1679 * config/ia64/fde-glibc.c (find_fde_for_dso): Do a binary
1680 search on the unwind region section.
1682 * config/ia64/ia64.md (movbi): Add r/r alternative.
1683 (cmovdi_internal_astep): Describe all combinations of register
1684 classes for sources & destinations; remove matching constraints.
1685 (cmovdi_internal): Likewise.
1687 * gcc.c (default_compilers) [@cpp-output]: Add -fpreprocessed.
1689 2000-11-07 Richard Henderson <rth@redhat.com>
1691 * c-lang.c (start_cdtor, finish_cdtor): New functions.
1692 (finish_file): Use them in building constructor/destructor functions.
1694 * config/alpha/alpha.h (HAS_INIT_SECTION, LD_INIT_SWITCH,
1695 LD_FINI_SWITCH): Move ...
1696 * config/alpha/osf.h: ... here.
1697 * config/alpha/alpha-interix.h: Don't undef them.
1699 2000-11-07 Jeffrey Oldham <oldham@oz.codesourcery.com>
1701 * config/mips/t-iris6 (FPBIT): New. Added so that __unorddf2 is
1702 included in libgcc.a.
1704 (dp-bit.c): Likewise.
1705 (fp-bit.c): Likewise.
1707 2000-11-07 Nick Clifton <nickc@redhat.com>
1709 * config/m88k/m88k.h (GLOBAL_ASM_OP): Add missing tab.
1710 (INTERNAL_ASM_OP): Add missing tab.
1712 2000-11-07 Joseph S. Myers <jsm28@cam.ac.uk>
1714 * alias.c (init_alias_analysis), calls.c (expand_call,
1715 emit_library_call_value_1), combine.c (init_reg_last_arrays),
1716 cse.c (new_basic_block), dbxout.c (dbxout_type), diagnostic.c
1717 (init_output_buffer, set_diagnostic_context), dwarf2out.c
1718 (equate_decl_number_to_die, build_abbrev_table), emit-rtl.c
1719 (init_emit_once), fold-const.c (mul_double, div_and_round_double),
1720 function.c (assign_parms), gcse.c (compute_can_copy,
1721 alloc_gcse_mem, alloc_reg_set_mem, record_one_set,
1722 compute_hash_table, compute_set_hash_table,
1723 compute_expr_hash_table), genattrtab.c (optimize_attrs), global.c
1724 (global_alloc, global_conflicts), haifa-sched.c (compute_trg_info,
1725 clear_units, schedule_block), integrate.c (initialize_for_inline,
1726 expand_inline_function), jump.c (thread_jumps), local-alloc.c
1727 (local_alloc), loop.c (combine_movables, count_loop_regs_set,
1728 load_mems_and_recount_loop_regs_set), print-tree.c (debug_tree),
1729 regclass.c (init_reg_sets, init_reg_sets_1, regclass,
1730 record_reg_classes, allocate_reg_info), reload.c
1731 (get_secondary_mem, remove_address_replacements, find_reloads),
1732 reload1.c (reload, set_initial_label_offsets, finish_spills,
1733 reload_as_needed, choose_reload_regs_init,
1734 reload_cse_simplify_operands), reorg.c (dbr_schedule), sbitmap.c
1735 (sbitmap_zero), simplify-rtx.c (simplify_plus_minus), ssa.c
1736 (rename_registers), stmt.c (expand_end_case), unroll.c
1737 (unroll_loop), varray.c (varray_grow), objc/objc-act.c: Use memset
1738 () instead of bzero ().
1740 2000-11-07 Neil Booth <neilb@earthling.net>
1742 * cp/lang-specs.h: Fix -save-temps specs under USE_CPPLIB.
1744 2000-11-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1746 * c-common.c (combine_strings): Only warn about long strings for C.
1748 Tue Nov 7 19:44:30 2000 J"orn Rennecke <amylaar@redhat.com>
1750 * combine.c (distribute_notes): Fix typo in last change.
1752 2000-11-07 Geoff Keating <geoffk@redhat.com>
1754 * config/rs6000/rs6000.md (movdi_internal32+1): Use
1755 operand_subreg_force rather than gen_rtx_SUBREG.
1756 (movdi_internal32+2): Likewise.
1758 2000-11-07 Philip Blundell <philb@gnu.org>
1760 * configure.in (arm*-*-linuxaout*): Obsolete, deleted.
1761 * config/arm/linux-aout.h: Likewise.
1762 * configure: Regenerate.
1764 2000-11-07 Philipp Thomas <pthomas@suse.de>
1766 * ABOUT-GCC-NLS: Remove the patch for gettext as it has been
1767 accepted my the gettext maintainer.
1769 2000-11-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1771 * builtins.c (expand_builtin_strpbrk): New function.
1772 (expand_builtin): Handle BUILT_IN_STRPBRK.
1774 * builtins.def (BUILT_IN_STRPBRK): New entry.
1776 * c-common.c (c_common_nodes_and_builtins): Declare builtin
1779 2000-11-07 David O'Brien <obrien@dragon.nuxi.com>
1781 * config/alpha/freebsd.h: New file -- FreeBSD/alpha architecture file.
1782 * POTFILES.in: Add config/alpha/freebsd.h
1783 * configure.in: Add alpha*-freebsd support.
1784 * configure: Regenerate.
1786 2000-11-07 Joseph S. Myers <jsm28@cam.ac.uk>
1788 * tree.c (build_common_tree_nodes_2): Make va_list_type_node be a
1789 copy of ptr_type_node rather than ptr_type_node itself.
1791 Tue Nov 7 06:29:24 2000 J"orn Rennecke <amylaar@redhat.com>
1793 * combine.c (recog_for_combine): Allocate uninitialized vector with
1795 * recog.c (apply_change_group): Likewise.
1797 Tue Nov 7 06:24:02 2000 J"orn Rennecke <amylaar@redhat.com>
1799 * flow.c (verify_local_live_at_start): Back out last change.
1800 * combine.c (distribute_notes): When parts of a hard reg are
1801 neither set nor referenced in PLACE, search backwards for a
1802 place to put a REG_UNUSED note; if none found, ask for flow
1805 Mon Nov 6 20:08:13 2000 J"orn Rennecke <amylaar@redhat.com>
1807 * reload1.c (eliminate_regs_in_insn): Allow a set to be a PARALLEL
1808 with (clobber (match_scratch...)).
1810 2000-11-06 Neil Booth <neilb@earthling.net>
1812 * c-lex.c (init_c_lex): If cpp_start_read fails, exit with
1815 2000-11-06 Neil Booth <neilb@earthling.net>
1817 * tradcpp.c (special_symbol): Assign an null string rather
1818 than writing to an unallocated buffer.
1820 2000-11-06 Neil Booth <neilb@earthling.net>
1822 * cpplex.c (_cpp_equiv_tokens): Check arg_no in the
1825 2000-11-06 Neil Booth <neilb@earthling.net>
1827 * c-lex.c (c_lex): Replace tok.val.aux with tok.val.c or
1828 tok.val.arg_no as appropriate.
1829 * cppexp.c (lex): Similarly.
1830 * cpplex.c (_cpp_lex_token, cpp_spell_token, cpp_output_token,
1831 cpp_equiv_tokens, cpp_can_paste, cpp_avoid_paste): Similarly.
1832 * cppmacro.c (stringify_arg, replace_args, lex_expansion_token,
1833 cpp_macro_definition): Similarly.
1834 * cpplib.h (struct cpp_token): Replace aux with c and arg_no.
1836 2000-11-06 Jakub Jelinek <jakub@redhat.com>
1838 * config/sparc/sparc.md (adddi3): If operands[2] is 4096 and
1839 operands[1] is constant, calculate the sum and generate movdi.
1840 (addsi3): Similarly. Use SImode in call to arith_4096_operand.
1841 (subsi3): Use SImode in call to arith_4096_operand.
1843 2000-11-06 Jakub Jelinek <jakub@redhat.com>
1845 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): On sparc64 we need to
1846 adjust %o1, not %o0 if the return type is large structure.
1848 2000-11-06 Jakub Jelinek <jakub@redhat.com>
1850 * config/sparc/sparc.md (smulsi3_highpart_v8plus, ashldi3_v8plus+1,
1851 update_return, flush, flushdi, ffssi2, ffsdi2): Fix output formatting.
1853 Sat Sep 23 19:10:20 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
1855 * expmed.c (expand_divmod): For signed divide by 2, prefer
1856 a branch and fewer shifts if branches are very cheap.
1858 2000-11-05 Joseph S. Myers <jsm28@cam.ac.uk>
1860 * Makefile.in: Remove all targets related to building
1861 distributions and diffs, or INSTALL.
1862 * INSTALL, install1.texi: Remove.
1863 * configure.in: Remove mention of distdir.
1864 * configure: Regenerate.
1865 * objc/Make-lang.in: Remove mention of distdir.
1867 2000-11-04 Neil Booth <neilb@earthling.net>
1869 * cpp.texi: Update for _Pragma.
1871 2000-11-04 Joseph S. Myers <jsm28@cam.ac.uk>
1873 * gcc.texi (Contributing): Update URL for projects web page.
1875 2000-11-04 Neil Booth <neilb@earthling.net>
1877 * cpplex.c (parse_string): Don't allow multiline strings in
1878 #include family directives.
1880 2000-11-04 Neil Booth <neilb@earthling.net>
1882 * cpplib.c (do_line): Only warn pedantically if not reading
1885 2000-11-04 Alexandre Oliva <aoliva@redhat.com>
1887 * calls.c (emit_call_1) [sibcall_pop]: Use n_popped instead of
1890 2000-11-03 Zack Weinberg <zack@wolery.stanford.edu>
1892 * builtins.c (expand_builtin_strlen): Remove unused mode
1894 * gcc.c (process_command): Remove unused variable.
1895 * fold-const.c: Include expr.h.
1896 * recog.c: Include reload.h.
1897 * Makefile.in (recog.o, fold-const.o): Update deps.
1899 2000-11-02 Geoffrey Keating <geoffk@cygnus.com>
1901 * fixinc/gnu-regex.c: Change 'CYGNUS LOCAL' to 'EGCS LOCAL'.
1903 Fri Nov 3 13:41:04 2000 Mark P Mitchell <mark@codesourcery.com>
1905 * config/mips/iris6.h (SUBTARGET_CC1_SPEC): Remove -static
1907 (STARTFILE_SPEC): Likewise.
1908 (LINK_SPEC): Likewise.
1910 2000-11-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1912 * Makefile.in (fold-const.o): Depend on $(GGC_H), not ggc.h.
1913 (toplev.o): Likewise for $(LOOP_H)/loop.h and $(REGS_H)/regs.h.
1914 (simplify-rtx.o): Likewise for $(GGC_H)/ggc.h.
1916 2000-11-03 Joseph S. Myers <jsm28@cam.ac.uk>
1918 * c-decl.c (duplicate_decls, copy_lang_decl), dwarfout.c
1919 (dwarfout_line), gcc.c (main, save_string), tree.c (init_obstacks,
1920 perm_calloc, get_identifier, maybe_get_identifier,
1921 real_value_from_int_cst, simple_cst_equal), varasm.c
1922 (assemble_name, assemble_real, immed_real_const_1,
1923 compare_constant_1, decode_rtx_const, output_constant_pool): Use
1924 strrchr () instead of rindex (). Use memcmp () instead of bcmp
1925 (). Use memcpy () instead of bcopy (). Use memset () instead of
1928 2000-11-03 Nathan Sidwell <nathan@codesourcery.com>
1930 * cppfiles.c (open_file): If already read, then don't reopen.
1931 Immediately close an empty file.
1933 2000-11-01 Bernd Schmidt <bernds@redhat.co.uk>
1935 * expr.h (fold_builtin): Move declaration...
1936 * tree.h (fold_builtin): ... here.
1938 Fri Nov 3 05:41:07 2000 J"orn Rennecke <amylaar@redhat.com>
1940 * flow.c (verify_local_live_at_start): Allow hard regs to die.
1942 2000-11-02 Neil Booth <neilb@earthling.net>
1945 * a29k/a29k.h, a29k/unix.h, a29k/vx29k.h,
1946 alpha/alpha-interix.h, alpha/alpha.h, alpha/linux.h,
1947 alpha/openbsd.h, alpha/osf.h, alpha/vms.h, alpha/vxworks.h,
1948 alpha/win-nt.h, arc/arc.h, arm/arm.h, arm/conix-elf.h,
1949 arm/linux-aout.h, arm/linux-elf.h, arm/netbsd.h, arm/riscix.h,
1950 arm/riscix1-1.h, arm/semiaof.h, arm/unknown-elf-oabi.h, arm/vxarm.h,
1951 c4x/rtems.h, clipper/clix.h, convex/convex.h, d30v/d30v.h,
1952 elxsi/elxsi.h, fr30/fr30.h, h8300/h8300.h, i370/linux.h, i370/mvs.h,
1953 i370/oe.h, i386/386bsd.h, i386/aix386ng.h, i386/beos-elf.h,
1954 i386/bsd386.h, i386/crtdll.h, i386/cygwin.h, i386/dgux.h,
1955 i386/djgpp-rtems.h, i386/djgpp.h, i386/freebsd-aout.h, i386/freebsd.h,
1956 i386/gnu.h, i386/i386-interix.h, i386/i386.h, i386/linux-aout.h,
1957 i386/linux-oldld.h, i386/linux.h, i386/lynx-ng.h, i386/lynx.h,
1958 i386/mach.h, i386/mingw32.h, i386/moss.h, i386/netbsd.h,
1959 i386/netware.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
1960 i386/osfelf.h, i386/osfrose.h, i386/ptx4-i.h, i386/rtems.h,
1961 i386/rtemself.h, i386/sco.h, i386/sco4.h, i386/sco4dbx.h, i386/sco5.h,
1962 i386/scodbx.h, i386/sequent.h, i386/sol2.h, i386/sun.h, i386/sysv3.h,
1963 i386/sysv4.h, i386/uwin.h, i386/vsta.h, i386/vxi386.h, i386/win-nt.h,
1964 i386/win32.h, i860/fx2800.h, i860/i860.h, i860/mach.h, i860/sysv3.h,
1965 i860/sysv4.h, i960/i960.h, i960/rtems.h, i960/vx960-coff.h,
1966 ia64/ia64.h, ia64/linux.h, m32r/m32r.h, m68k/3b1.h, m68k/3b1g.h,
1967 m68k/a-ux.h, m68k/altos3068.h, m68k/amix.h, m68k/apollo68.h,
1968 m68k/crds.h, m68k/ctix.h, m68k/dpx2.h, m68k/hp2bsd.h, m68k/hp320.h,
1969 m68k/hp3bsd.h, m68k/hp3bsd44.h, m68k/isi.h, m68k/linux-aout.h,
1970 m68k/linux.h, m68k/lynx-ng.h, m68k/lynx.h, m68k/m68kemb.h,
1971 m68k/m68kv4.h, m68k/mot3300.h, m68k/netbsd.h, m68k/news.h,
1972 m68k/next.h, m68k/openbsd.h, m68k/pbb.h, m68k/plexus.h, m68k/rtems.h,
1973 m68k/rtemself.h, m68k/sun2.h, m68k/sun3.h, m68k/sun3mach.h,
1974 m68k/tower-as.h, m68k/tower.h, m68k/vxm68k.h, m88k/dgux.h,
1975 m88k/dolph.h, m88k/luna.h, m88k/m88k-aout.h, m88k/m88k-coff.h,
1976 m88k/openbsd.h, m88k/sysv3.h, m88k/sysv4.h, mips/bsd-4.h,
1977 mips/bsd-5.h, mips/dec-bsd.h, mips/dec-osf1.h, mips/gnu.h,
1978 mips/iris3.h, mips/iris5.h, mips/iris6.h, mips/linux.h, mips/mips.h,
1979 mips/netbsd.h, mips/news4.h, mips/news5.h, mips/nws3250v4.h,
1980 mips/openbsd.h, mips/osfrose.h, mips/rtems64.h, mips/sni-svr4.h,
1981 mips/svr3-4.h, mips/svr3-5.h, mips/svr4-4.h, mips/svr4-5.h,
1982 mips/ultrix.h, ns32k/encore.h, ns32k/merlin.h, ns32k/netbsd.h,
1983 ns32k/ns32k.h, ns32k/pc532-mach.h, ns32k/pc532.h, ns32k/sequent.h,
1984 ns32k/tek6000.h, ns32k/tek6100.h, ns32k/tek6200.h, pa/pa-hiux.h,
1985 pa/pa-hpux.h, pa/pa-hpux7.h, pa/pa-linux.h, pa/pa-osf.h,
1986 pa/pa-pro-end.h, pa/pa.h, pa/rtems.h, pj/linux.h, pj/pj.h,
1987 romp/romp.h, rs6000/aix.h, rs6000/aix31.h, rs6000/aix41.h,
1988 rs6000/aix43.h, rs6000/beos.h, rs6000/eabi.h, rs6000/eabisim.h,
1989 rs6000/linux.h, rs6000/lynx.h, rs6000/mach.h, rs6000/rtems.h,
1990 rs6000/sysv4.h, rs6000/vxppc.h, sh/elf.h, sh/linux.h, sh/rtems.h,
1991 sh/rtemself.h, sh/sh.h, sparc/aout.h, sparc/elf.h, sparc/linux-aout.h,
1992 sparc/linux.h, sparc/linux64.h, sparc/lite.h, sparc/litecoff.h,
1993 sparc/liteelf.h, sparc/lynx-ng.h, sparc/lynx.h, sparc/netbsd.h,
1994 sparc/openbsd.h, sparc/pbd.h, sparc/rtems.h, sparc/rtemself.h,
1995 sparc/sol2-sld-64.h, sparc/sol2.h, sparc/sp64-aout.h,
1996 sparc/sp64-elf.h, sparc/sp86x-aout.h, sparc/sp86x-elf.h,
1997 sparc/sparc.h, sparc/sysv4.h, sparc/vxsim.h, sparc/vxsparc.h,
1998 v850/rtems.h, vax/netbsd.h, vax/openbsd.h, vax/ultrix.h, vax/vax.h,
1999 vax/vaxv.h, vax/vms.h, we32k/we32k.h
2001 Replace -A() with -A=, the new assertion syntax.
2003 Thu Nov 2 21:52:35 2000 J"orn Rennecke <amylaar@redhat.com>
2005 * combine.c (distribute_notes): Use rtx_equal_p to check elim_i2 /
2007 In REG_DEAD handling: When handling parts of multi-hard-reg hard
2008 registers, increment the loop counter by the size of the parts;
2009 use recursion to handle individual parts.
2011 2000-11-02 Neil Booth <neilb@earthling.net>
2013 * configure.in: Make integrated CPP the default.
2014 * configure: Regenerate.
2016 Thu Nov 2 19:20:12 2000 J"orn Rennecke <amylaar@redhat.com>
2018 * reload.c (find_equiv_reg): Test all hard registers for membership
2019 in the requested class.
2021 2000-11-02 Joseph S. Myers <jsm28@cam.ac.uk>
2023 * collect2.c (main, write_c_file_stat), gcc.c (translate_options,
2024 process_command, main), gcov.c (open_files, output_data), tlink.c
2025 (frob_extension, scan_linker_output), toplev.c
2026 (file_name_nondirectory): Use strchr () and strrchr () instead of
2027 index () and rindex ().
2029 2000-11-02 Joseph S. Myers <jsm28@cam.ac.uk>
2031 * c-common.c (get_flag_spec, check_format_info_main,
2032 check_format_types): Use strchr () instead of index (). Compare
2033 against error_mark_node instead of comparing the TREE_CODE against
2036 2000-11-02 Zack Weinberg <zackw@Stanford.EDU>
2040 * c-lex.c (init_c_lex): Update cpp_start_read call.
2041 (cb_ident): Update for new callback prototype.
2042 (cb_def_pragma): Update for new cpp_get_token prototype.
2043 (c_lex): Similarly. Use cpp_get_line.
2045 * c-parse.in (finish_parse): Update for new cpp_finish
2048 * cp/lex.c (finish_parse): Similarly.
2050 2000-11-01 Geoff Keating <geoffk@cygnus.com>
2052 * machmode.def: Add V16QImode.
2054 2000-11-01 Richard Henderson <rth@redhat.com>
2056 * dwarf2out.c (loc_descriptor_from_tree): Check for null result
2057 from rtl_for_decl_location.
2058 (add_location_or_const_value_attribute): Likewise.
2060 2000-11-01 Neil Booth <neilb@earthling.net>
2062 * cpplib.c (run_directive): Use correct line number for output
2063 of _Pragma. Remember any in-progress directive.
2065 * gcc.dg/cpp/vararg2.c, gcc.dg/cpp/_Pragm1.c: New tests.
2067 2000-11-01 Richard Henderson <rth@redhat.com>
2069 * stmt.c (expand_start_null_loop): Set continue_label.
2071 2000-11-01 Bernd Schmidt <bernds@redhat.co.uk>
2073 * builtins.c (fold_builtin_constant_p, fold_builtin): New functions.
2074 (expand_builtin_constant_p): Move parts of the code into
2075 fold_builtin_constant_p.
2076 (expand_builtin_strlen): Move parts of the code into fold_builtin.
2077 * expr.h (fold_builtin): Declare.
2078 * fold-const.c (fold): Handle builtin calls.
2080 * c-typeck.c (build_function_call): Call fold on the CALL_EXPR.
2082 2000-11-01 Richard Henderson <rth@redhat.com>
2084 * stmt.c (expand_start_null_loop): New.
2085 (expand_end_null_loop): New.
2086 * c-semantics.c (genrtl_do_stmt): Use them.
2087 * tree.h: Declare them.
2089 2000-11-01 Richard Henderson <rth@redhat.com>
2091 * cppmain.c (scan_buffer): Don't avoid paste for assembly.
2093 2000-11-01 Neil Booth <neilb@earthling.net>
2095 * c-parse.in (_yylex): Remove CPP_BACKSLASH case.
2096 * cp/spew.c: Similarly.
2097 * cpplex.c (_cpp_lex_token): Backslashes are now CPP_OTHER.
2098 * cppmacro.c (stringify_arg): Similarly.
2099 * cpplib.h (CPP_BACKSLASH): Delete.
2101 2000-10-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2103 * builtins.c (expand_builtin_strstr): New function.
2104 (expand_builtin): Handle BUILT_IN_STRSTR and BUILT_IN_STRCHR.
2106 * builtins.def (BUILT_IN_STRSTR, BUILT_IN_STRCHR): New entries.
2108 * c-common.c (c_common_nodes_and_builtins): Declare builtin strstr
2111 2000-10-31 Richard Henderson <rth@redhat.com>
2113 * config/i386/i386.c (fcmov_comparison_operator): Check for
2114 CCFPmode or CCFPUmode instead of CCmode.
2115 (ix86_expand_fp_movcc): Call ix86_expand_setcc for most
2116 unordered operations as well.
2118 2000-10-31 Richard Henderson <rth@redhat.com>
2120 * c-semantics.c (genrtl_do_stmt): Use integer_zerop instead
2121 of integer_zero_node.
2123 2000-10-31 Richard Henderson <rth@redhat.com>
2125 * c-semantics.c (genrtl_do_stmt): Special case do/while(0).
2127 2000-10-31 Nick Clifton <nickc@redhat.com>
2129 * config/arm/unknown-elf.h (UNIQUE_SECTION_P): Do not allow
2130 -fdata-sections to override the section attribute of a DECL.
2132 2000-10-31 Chris Demetriou <cgd@sibyte.com>
2134 * libgcc2.c (__shtab): Remove __shtab variable.
2135 * libgcc-std.ver (GCC_3.0): Remove __shtab from symbol list.
2136 * Makefile.in (LIB2FUNCS): Remove _shtab from list of library
2139 2000-10-31 Jim Wilson <wilson@redhat.com>
2141 * defaults.h (ASM_OUTPUT_DEBUG_LABEL): New.
2142 * tm.texi (ASM_OUTPUT_DEBUG_LABEL): Document.
2143 * dwarf2out.c (dwarf2out_begin_block): Use ASM_OUTPUT_DEBUG_LABEL
2144 instead of ASM_OUTPUT_INTERNAL_LABEL.
2145 (dwarf2out_end_block, dwarf2out_label): Likewise.
2146 * final.c (final_scan_insn, case NOTE_INSN_DELETED_LABEL): Likewise
2147 * config/ia64/ia64.h (ASM_OUTPUT_DEBUG_LABEL): Define.
2149 2000-10-31 Richard Henderson <rth@redhat.com>
2151 * dwarf2out.c (struct dw_loc_descr_struct): Add dw_loc_addr.
2152 (size_of_locs): Set it.
2153 (output_loc_operands): Use it to compute branch displacement.
2154 (int_loc_descriptor): New.
2155 (mem_loc_descriptor): Dereference memory in the proper size.
2156 Use DW_OP_plus_uconst when possible. Use int_loc_descriptor.
2157 (loc_descriptor_from_tree): New.
2158 (rtl_for_decl_location): Break out from ...
2159 (add_location_or_const_value_attribute): ... here.
2160 (add_bound_info): Use loc_descriptor_from_tree.
2162 2000-10-31 Neil Booth <neilb@earthling.net>
2164 * cpp.texi: Update for new command line assertion syntax.
2165 * cpplib.c (cpp_define): Simplify a bit.
2166 (cpp_assert, cpp_unassert): Use handle_assertion.
2167 (handle_assertion): New function; accept new command line
2169 * testsuite/gcc.dg/cpp/assert3.c: New tests.
2171 2000-10-31 Neil Booth <neilb@earthling.net>
2173 * cppmacro.c (STDC_0_IN_SYSTEM_HEADERS): Define to 0 if
2174 undefined. Remove #ifdef check.
2175 * config/i386/sol2.h, config/rs6000/sol2.h, config/sparc/sol2.h:
2176 Define STDC_0_IN_SYSTEM_HEADERS to 1.
2178 2000-10-31 Jan Hubicka <jh@suse.cz>
2179 Jakub Jelinek <jakub@redhat.com>
2181 * config/i386/i386.h: Clarify CCNOmode description in comment.
2182 (EXTRA_CC_MODES): Remove CCRCmode.
2183 * config/i386/i386.c (ix86_comparison_operator): Remove CCRCmode.
2184 (put_condition_code, ix86_match_ccmode): Likewise.
2185 (ix86_cc_mode): Likewise. Fix comment.
2186 (ix86_expand_strlensi_unroll_1): *rc patterns are gone.
2187 * config/i386/i386.md: Add unspec 12 description.
2188 (adddi3 split): Use unspec 12 instead of CCRCmode.
2189 (addsi3_carry_rc): Remove.
2190 (addsi3_cc, addqi3_cc): New patterns.
2191 (addsi_3): Swap operands, match CCZmode.
2192 (addsi_4): Rewritten.
2193 (addsi_5): Renamed from addsi_6.
2195 (addhi_3): Swap operands, match CCZmode.
2196 (addhi_4): Rewritten.
2197 (addhi_5): Renamed from addhi_6.
2199 (addqi_3): Swap operands, match CCZmode.
2200 (addqi_4): Rewritten.
2201 (addqi_5): Renamed from addqi_6. Use =q constraint for clobber.
2202 (subsi3_carry_rc): Removed.
2203 (iorqi_3): Use =q constraint for clobber.
2204 (xorqi_cc_2): Likewise.
2205 (negdi2_1 split): Don't use CCRCmode, use ltu instead of gtu.
2206 (x86_movsicc_0_m1_rc): Removed.
2207 (cmp?i peepholes): Remove neg. Use CCGCmode instead of CCRCmode.
2209 2000-10-31 Joseph S. Myers <jsm28@cam.ac.uk>
2211 * c-typeck.c (build_unary_op): If pedantic, pedwarn for increment
2212 and decrement of complex types.
2214 2000-10-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2216 * builtins.c (expand_builtin_fputs): When deleting NOP calls to
2217 builtin fputs, ensure we still evaluate the stream in case it
2220 2000-10-31 Jakub Jelinek <jakub@redhat.com>
2222 * expr.c (do_store_flag): Pass operand_mode instead of GET_MODE (op0)
2225 Tue Oct 31 15:33:27 2000 J"orn Rennecke <amylaar@redhat.com>
2227 * sh-protos.h (reg_no_subreg_operand, emit_fpscr_use): Don't declare.
2228 (fp_extended_operand, emit_fpscr_use): Likewise.
2229 * sh.c (reg_no_subreg_operand, fp_extended_operand): Delete functions.
2230 (fpul_operand): New function.
2231 * sh.h (PREDICATE_CODES): Remove reg_no_subreg_operand and
2232 fp_extended_operand. Add fpul_operand.
2233 * sh.md (mulsf3, mulsf3_i4): Use fp_arith_reg_operand for "f" operands.
2234 (mulsf3_ie, macsf3, cmpgtsf_t, cmpeqsf_t, ieee_ccmpeqsf_t): Likewise.
2235 (cmpgtsf_t_i4, cmpeqsf_t_i4, ieee_ccmpeqsf_t_4, negsf2): Likewise.
2236 (negsf2_i, sqrtsf2, sqrtsf2_i, abssf2, abssf2_i, adddf3): Likewise.
2237 (adddf3_i, subdf3, subdf3_i, muldf3, muldf3_i, divdf3): Likewise.
2238 (divdf3_i): Likewise.
2239 (floatsisf2): Likewise. Use fpul_operand for 'y' operand.
2240 (floatsisf2_i4, floatsisf2_ie, fix_truncsfsi2): Likewise.
2241 (fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i): Likewise.
2242 (fix_truncdfsi2, fix_truncdfsi2_i, extendsfdf2): Likewise.
2243 (extendsfdf2_i4, truncdfsf2, truncdfsf2_i4): Likewise.
2245 2000-10-31 Bernd Schmidt <bernds@redhat.co.uk>
2247 * config/i386/i386.c (ix86_init_builtins): Correct return type
2248 building v4hi_ftype_v4hi_int_int tree node.
2249 (ix86_expand_builtin): Use correct operand numbers 0 and 1.
2250 Copy operand 0 into a Pmode register, don't generate a MEM rtx.
2252 * config/i386/i386.md (sse_movntdi): Use mmx register constraint
2254 (mmx__uavgv8qi3): Correct insn mnemonic.
2255 (mmx_psadbw): Correct insn mnemonic. Use V8QI mode for operands 1 and 2.
2256 (mmx_punpckhwd): Correct insn mnemonic.
2257 (mmx_punpckhdq): Likewise.
2258 (mmx_punpcklwd): Likewise.
2259 (mmx_punpckldq): Likewise.
2260 (prefetch): Use immediare_operand and 'n' constraint for operand 1.
2261 Renumber case labels to match the _mm_prefetch constants defined in
2264 * recog.c (split_all_insns): Don't try to call cleanup_subreg_operands
2265 if the splitter didn't emit new insns.
2266 Make sure we call cleanup_subreg_operands even when splitting the last
2267 insn in a basic block.
2269 * invoke.texi (Debugging Options): Describe -do.
2270 * toplev.c (enum_dump_file_index): New entry DFI_postreload.
2271 (dump_file): Likewise.
2272 (rest_of_compilation): Split .greg dump into .greg and .postreload.
2274 2000-10-30 Neil Booth <neilb@earthling.net>
2276 * cppfiles.c (stack_include_file): Check for stacked contexts
2278 * cpphash.h (_cpp_do__Pragma): New prototype.
2279 * cppinit.c (cpp_reader_init): Add _Pragma keyword to hash table.
2281 * cpplex.c (skip_escaped_newlines): Only process trigraphs and
2282 escaped newlines if !(buffer->from_stage3).
2283 (_cpp_lex_token): Warn about missing newlines iff
2284 !buffer->from_stage3.
2286 * cpplib.c (get__Pragma_string, destringize,
2287 _cpp_do__Pragma): New functions.
2288 (run_directive): Set output_line for _Pragma to avoid line
2289 markers in output. Set from_stage3 and prevent macro expansion
2290 for _Pragma and command-line options. Check buffer exhaustion.
2291 (cpp_push_buffer): Don't check for stacked macro contexts, as
2292 this is perfectly legitimate for _Pragma. Move the check to
2293 stack_include_file instead. Set from_stage3 iff buffer is
2296 * cpplib.h (struct cpp_buffer): Make warned_cplusplus_comments
2297 unsigned. New boolean from_stage3.
2298 (struct spec_nodes): Add n__Pragma.
2300 * cppmacro.c (enter_macro_context): Flip sense of return value.
2301 (_cpp_get_token): Handle _Pragma operator.
2303 2000-10-30 Phil Edwards <pme@sources.redhat.com>
2305 * gcc.texi: The C++ standard isn't "draft" anymore.
2307 2000-10-30 Mark Mitchell <mark@codesourcery.com>
2309 * cppmacro.c (builtin_macro): Use NT_VOID, not T_VOID.
2311 2000-10-29 Neil Booth <neilb@earthling.net>
2313 * cpplib.c (skip_rest_of_line): Use _cpp_get_token.
2315 2000-10-29 Joseph S. Myers <jsm28@cam.ac.uk>
2317 * toplev.c, flags.h, fold-const.c, real.c, rtl.c,
2318 fixinc/inclhack.def: Change comments mentioning C9X to refer to
2321 * invoke.texi: Document that -V will only work for very similar
2322 versions of driver and compiler.
2324 2000-10-29 Neil Booth <neilb@earthling.net>
2326 * cppmacro.c (_cpp_create_definition): Optimize the case of
2327 a macro defined to itself.
2329 2000-10-29 Neil Booth <neilb@earthling.net>
2331 * cpplex.c (save_comment): Don't store new lines in C++ comments.
2333 2000-10-29 Michael Hayes <mhayes@redhat.com>
2335 * integrate.c (copy_insn_list): Copy the unchanging flag for calls.
2337 2000-10-28 Geoffrey Keating <geoffk@cygnus.com>
2339 * cpphash.c (cpp_forall_identifiers): Add context variable
2340 for callback routine.
2341 * cppmain.c (dump_macro): Update to match cpp_forall_identifiers
2343 (main): Call cpp_forall_identifiers with null context.
2344 * cpplib.h (cpp_forall_identifiers): Update prototype.
2346 * cppmain.c: Make `parse_in' and `print' static.
2348 2000-10-28 Alan Modra <alan@linuxcare.com.au>
2350 * c-decl.c (finish_function): Clear c_function_name_declared_p.
2352 2000-10-28 Richard Henderson <rth@redhat.com>
2354 * regrename.c (scan_rtx_address): Frob action, not class,
2355 when trying to disable optimization.
2357 2000-10-28 Mark Mitchell <mark@codesourcery.com>
2359 * c-semantics.c (make_rtl_for_local_static): Don't clobber
2360 DECL_ASSEMBLER_NAME.
2362 2000-10-28 Joseph S. Myers <jsm28@cam.ac.uk>
2364 * configure.in: Determine and substitute gcc_version_full.
2365 * configure: Regenerate.
2366 * gccbug.in: Use it to give full version. Don't allow
2369 2000-10-28 Richard Henderson <rth@redhat.com>
2371 * recog.c (split_all_insns): Run cleanup_subreg_operands
2374 * regrename.c (regrename_optimize): Verify that all registers of
2375 a multiple register mode are available.
2376 (scan_rtx_address): Accept the mode of the address; all callers
2379 * cpplib.c (run_directive): Fix prototype.
2381 2000-10-28 Bernd Schmidt <bernds@redhat.co.uk>
2383 * reload.c (find_reloads): Distinguish "wins" so that we know whether
2384 a given operand won because of a matching constraint or not; then use
2385 that information to compute goal_alternative_matched properly.
2386 * reload1.c (choose_reload_regs): Never set reload_override_in for an
2389 * config/ia64/ia64.h (RTX_COSTS): A few more entries, and a more
2390 accurate value for MULT.
2391 * config/ia64/ia64.c (ia64_print_operand): Require probability to be
2392 2% or > 98% before using static branch prediction bits.
2394 2000-10-28 Neil Booth <neilb@earthling.net>
2398 * cpplib.c (struct answer): New.
2399 (struct if_stack): Use cpp_lexer_pos rather than line and col.
2400 Rename cmacro mi_cmacro.
2401 (struct directive, KANDR, STDC89, EXTENSION, COND, IF_COND, INCL,
2402 IN_I): New directive and flags.
2403 (skip_rest_of_line, check_eol, run_directive, glue_header_name,
2404 parse_answer, parse_assertion, find_answer): New functions.
2405 (parse_ifdef, detect_if_not_defined, validate_else): Remove.
2406 (lex_macro_node): New function to replace parse_ifdef and
2409 (_cpp_handle_directive): New function, combines _cpp_check_directive
2410 and _cpp_check_linemarker.
2412 (do_define, do_undef, parse_include, do_include, do_import,
2413 do_include_next, read_line_number, do_line, do_ident, do_pragma,
2414 do_pragma_once, do_pragma_poison, do_pragma_dependency):
2415 Update for new token getting interface.
2417 (do_ifdef, do_ifndef, do_if, do_else, do_endif, push_conditional)
2418 : Update for new multiple-include optimisation technique.
2419 (do_elif): Don't forget to invalidate controlling macros.
2421 (unwind_if_stack, cpp_defined, cpp_push_buffer, cpp_pop_buffer): Update.
2422 (parse_assertion, parse_answer, find_answer, _cpp_test_assertion):
2423 Functions to handle assertions with the new token interface.
2424 (do_assert, do_unassert): Use them.
2426 (cpp_define, _cpp_define_builtin, cpp_undef, cpp_assert, cpp_unassert):
2429 (_cpp_init_stacks): Register directive names. Don't register special
2432 * cpperror.c (print_containing_files, _cpp_begin_message): Update to
2433 new position recording regime.
2434 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
2435 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line,
2436 cpp_pedwarn_with_file_and_line): Update for _cpp_begin_message changes.
2437 (cpp_type2name): Move to cpplex.c.
2439 * cppexp.c (parse_charconst): spec_nodes is no longer a pointer.
2440 (parse_defined): Update to handle new multiple include optimisation
2441 method. Remove poisoned identifier warning.
2442 (parse_assertion, TYPE_NAME): Delete.
2443 (lex): Update for multiple include optimisation, removal of
2444 CPP_DEFINED, to use _cpp_test_assertion for assertions and
2446 (_cpp_parse_expr): Update for MI optimisation, and to use op_as_text.
2447 (op_as_text): New function, to wrap cpp_token_as_text.
2449 * cppfiles.c (stack_include_file, _cpp_pop_file_buffer):
2450 Update for MI optimisation.
2451 (_cpp_execute_include): Take a token rather than 3 arguments. Fix
2452 segfault on diagnostic.
2453 (_cpp_compare_file_date): Take a token rather than 3 args.
2454 (cpp_read_file): Work correctly for zero-length files.
2456 * cpphash.c (_cpp_init_macros, _cpp_cleanup_macros): Rename
2457 _cpp_init_hashtable and _cpp_cleanup_hashtable.
2458 (cpp_lookup): Place identifiers at front of identifier pool
2459 for _cpp_lookup_with_hash.
2460 (_cpp_lookup_with_hash): Require identifiers to be at the front of
2461 the identifier pool. Commit the memory if not already in the
2464 * cppinit.c (cpp_reader_init): Move cpp_init_completed test to top.
2465 Initialise various members of cpp_reader, memory pools, and the
2467 (cpp_printer_init): Delete.
2468 (cpp_cleanup): Update.
2469 (struct builtin, builtin_array, initialize_builtins): Update for new
2470 hashnode definition and builtin handling.
2471 (cpp_start_read, cpp_finish): Don't take or initialise a
2474 * cpplib.h (cpp_printer, cpp_toklist, CPP_DEFINED, BOL,
2475 PASTED, VAR_ARGS, BEG_OF_FILE, IN_DIRECTIVE, KNOWN_DIRECTIVE,
2476 T_VOID, T_SPECLINE, T_DATE, T_FILE, T_BASE_FILE, T_INCLUDE_LEVEL,
2477 T_TIME, T_STDC, T_OPERATOR, T_POISON, T_MACRO, T_ASSERTION): Delete.
2478 (struct cpp_pool, struct cpp_macro, struct cpp_lexer_pos,
2479 struct cpp_lookahead, CPP_DHASH, enum mi_state, enum mi_ind,
2480 NO_EXPAND, VARARGS_FIRST, struct cpp_token_with_pos,
2481 struct toklist, struct cpp_context, struct specnodes,
2482 TOKEN_LOOKAHEAD, TOKEN_BUFFSIZE, NODE_OPERATOR, NODE_POISONED,
2483 NODE_BUILTIN, NODE_DIAGNOSTIC, NT_VOID, NT_MACRO, NT_ASSERTION,
2484 enum builtin_type, cpp_can_paste): New.
2485 (struct cpp_token): Delete line and col members.
2486 (struct cpp_buffer): New member output_lineno.
2487 (struct lexer_state): Delete indented, in_lex_line, seen_dot.
2488 Add va_args_ok, poisoned_ok, prevent_expansion, parsing_args.
2489 (struct cpp_reader): New members lexer_pos, macro_pos, directive_pos,
2490 ident_pool, temp_string_pool, macro_pool, argument_pool, string_pool,
2491 base_context, context, directive, mi_state, mi_if_not_defined,
2492 mi_lexed, mi_cmacro, mi_ind_cmacro, la_read, la_write, la_unused,
2493 mlstring_pos, macro_buffer, macro_buffer_len.
2494 Delete members mls_line, mls_column, token_list, potential_control_macro,
2495 temp_tokens, temp_cap, temp_alloced, temp_used, first_directive_token,
2496 context_cap, cur_context, no_expand_level, paste_level, contexts, args,
2497 save_parameter_spellings, need_newline, .
2498 Change type of date, time and spec_nodes members.
2499 Change prototypes for include and ident callbacks.
2500 (struct cpp_hashnode): Change type of name. Remove union members
2501 expansion and code. Add members macro, operator and builtin.
2503 (cpp_token_len, cpp_token_as_text, cpp_spell_token, cpp_start_read,
2504 cpp_finish, cpp_avoid_paste, cpp_get_token, cpp_get_line,
2505 cpp_get_output_line, cpp_macro_definition, cpp_start_lookahead,
2506 cpp_stop_lookahead): New prototypes.
2507 (cpp_printer_init, cpp_dump_definition): Delete prototypes.
2509 (U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr, ufputs):
2510 Move from cpphash.h.
2512 * cpphash.h (U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr,
2513 ufputs): Move to cpplib.h.
2514 (enum spell_type, struct token_spelling, _cpp_token_spellings, TOKEN_SPELL,
2515 TOKEN_NAME, struct answer, FREE_ANSWER, KANDR, STDC89, EXTENSION,
2516 COND, EXPAND, INCL, COMMENTS, IN_I, struct directive, directive_handler,
2517 struct spec_nodes, _cpp_digraph_spellings, _cpp_free_temp_tokens,
2518 _cpp_init_input_buffer, _cpp_grow_token_buffer, _cpp_init_toklist,
2519 _cpp_clear_toklist, _cpp_expand_token_space, _cpp_expand_name_space,
2520 _cpp_equiv_tokens, _cpp_equiv_toklists, _cpp_process_directive,
2521 _cpp_run_directive, _cpp_get_line, _cpp_get_raw_token, _cpp_glue_header_name,
2522 _cpp_can_paste, _cpp_check_directive, _cpp_check_linemarker,
2523 _cpp_parse_assertion, _cpp_find_answer): Delete.
2524 (VALID_SIGN, ALIGN, POOL_FRONT, POOL_LIMIT, POOL_BASE, POOL_SIZE,
2525 POOL_USED, POOL_COMMIT, struct cpp_chunk, _cpp_lex_token, _cpp_init_pool,
2526 _cpp_free_pool, _cpp_pool_reserve, _cpp_pool_alloc, _cpp_next_chunk,
2527 _cpp_lock_pool, _cpp_unlock_pool, _cpp_test_assertion,
2528 _cpp_handle_directive, DSC): New.
2529 (struct include_file): New member defined.
2531 (DO_NOT_REREAD, _cpp_begin_message, _cpp_execute_include,
2532 _cpp_compare_file_date): Update.
2533 (_cpp_pop_context, _cpp_get_token, _cpp_free_lookaheads, _cpp_push_token): New.
2534 (_cpp_init_macros, _cpp_cleanup_macros): Rename to _cpp_init_hashtable,
2535 _cpp_cleanup_hashtable.
2537 * Makefile.in: Remove cppoutput.c.
2539 * cppoutput.c: Delete
2541 * fixheader.c (read_scan_file): Update for new cpp_get_token
2543 (recognized_function): New argument LINE.
2545 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
2546 new cpp_get_token prototype.
2548 * scan.h (recognized_function): Update prototype.
2550 * po/POTFILES.in: Remove cppoutput.c.
2552 2000-10-27 Mark Mitchell <mark@codesourcery.com>
2554 * c-typeck.c (check_init_type_bitfields): Remove.
2555 (constructor_incremental): Likewise.
2556 (struct constructor_stack): Remove incremental bit.
2557 (struct initializer_stack): Likewise.
2558 (start_init): Don't play with constructor_incremental.
2559 (finish_init): Likewise.
2560 (really_start_incremental_init): Likewise.
2561 (push_init_level): Likewise.
2562 (pop_init_level): Likewise.
2563 (output_init_level): Likewise.
2564 (output_pending_init_elements): Likewise.
2566 2000-10-21 Mike Coleman <mcoleman2@kc.rr.com>
2568 * c-pragma.c (handle_pragma_pack): Initialize align to -1.
2569 Improve error messages. Correct parsing of
2570 #pragma pack(pop [,id]). Do not check the user-supplied
2571 alignment if we're popping.
2573 * gcc.dg/pack-test-1.c: New test case.
2574 * gcc.dg/pack-test-2.c: New test case.
2575 * gcc.dg/pack-test-1.h: New file.
2577 2000-10-27 Neil Booth <neilb@earthling.net>
2581 2000-10-27 Kelley Cook <kelley.cook@home.com>
2583 * invoke.texi: Document -mintel-syntax
2585 2000-10-27 Richard Henderson <rth@redhat.com>
2587 * invoke.texi: Document -frename-registers. Add it to -O3.
2588 * toplev.c (rest_of_compilation): Run regrename before ifcvt2.
2589 (enum dump_file_index, dump_file): Update order.
2590 (main): Set flag_rename_registers at -O3.
2592 2000-10-27 Richard Henderson <rth@redhat.com>
2594 * config/alpha/alpha.h (enum reg_class): Add PV_REG.
2595 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS): Update.
2596 (REG_CLASS_FROM_LETTER): Assign it to 'c'.
2597 * config/alpha/alpha.md (call_osf_1): Use it.
2598 (call_value_osf_1): Likewise.
2600 * config/ia64/ia64.c: Revert 10-23 patch.
2601 (ia64_hard_regno_rename_ok): New.
2602 * config/ia64/ia64-protos.h: Declare it.
2603 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK): Use it.
2605 2000-10-27 Bernd Schmidt <bernds@redhat.co.uk>
2606 Richard Henderson <rth@redhat.com>
2608 * regrename.c: Rewrite to handle multi-register modes and
2609 cond_exec instructions.
2610 * Makefile.in (regrename.o): Update dependancies.
2611 * recog.h (struct operand_alternative): Add is_address.
2612 * recog.c (preprocess_constraints) [case 'p']: Set it.
2614 2000-10-27 Zack Weinberg <zack@wolery.stanford.edu>
2616 * configure.in: If not NO_MINUS_C_MINUS_O, substitute
2617 OUTPUT_OPTION with '-o $@'. Make zlibdir, zlibinc relative to
2618 top level. Kill oldstyle_subdirs. Do not include
2619 $srcdir/$s/Makefile.in in all_lang_makefiles, but do include
2620 $outputs. Do not run configure.lang from config.status.
2621 Rearrange warning-flag logic to correspond to what the
2622 makefile wants. Put special vax stage1 options in
2623 @stage1_flags@ not @stage1_warn_cflags@. Don't do anything
2624 with extra_c_objs, extra_cxx_objs, or extra_cpp_objs.
2625 (--enable-c-cpplib): AC_SUBST(maybe_cpplib) with "libcpp.a" if
2626 switch is given, nothing otherwise.
2627 * configure.lang: Delete.
2629 * Makefile.in: Expunge all traces of extra_c_objs,
2630 extra_cxx_objs, and extra_cpp_objs. Set MAYBE_CPPLIB from
2631 @maybe_cpplib@. Add $(MAYBE_CPPLIB) to C_AND_OBJC_OBJS. Set
2632 warning options via a three level scheme so that -pedantic and
2633 -Wtraditional are not used for non-C front ends: LOOSE_WARN,
2634 STRICT1_WARN, STRICT2_WARN -> $(@D)-warn, GCC_WARN_CFLAGS ->
2635 WARN_CFLAGS. Distinguish STAGE1_CFLAGS from BOOT_CFLAGS.
2636 Add -I$(@D) and -I$(srcdir)/$(@D) to INCLUDES.
2637 Set OUTPUT_OPTION, ZLIB, ZLIBINC. Do not set P,
2638 LANG_FLAGS_TO_PASS. Add OUTPUT_OPTION to all object-file
2639 generation rules. Wrap all rules that change the current
2640 directory in parentheses; pmake doesn't spawn a new shell for
2641 each command. Expunge all references to $(P). When one
2642 command depends on another and they're run all at once, use &&
2643 to separate them, not ;. Add libgcc_s$(SHLIB_EXT) to files
2644 deleted on make clean. Force OUTPUT_OPTION='-o $@' in stage2
2647 * objc/Make-lang.in: Wrap all rules that change the current
2648 directory in parentheses. Expunge all references to $(P).
2649 When one command depends on another and they're run all at
2650 once, use && to separate them, not ;. Add OUTPUT_OPTION to
2651 all object-file generation rules. Delete obsolete variables.
2652 * objc/Makefile.in: Delete.
2654 2000-10-27 Jakub Jelinek <jakub@redhat.com>
2656 * calls.c (expand_call): If sibcall_failure is set during pass 1,
2657 clear tail_call_insns as well.
2659 2000-10-27 Nick Clifton <nickc@redhat.com>
2661 * config/arm/arm-protos.h (arm_function_ok_for_sibcall): Add
2664 2000-10-26 Richard Henderson <rth@redhat.com>
2666 * calls.c (expand_call): Supress sibcall if we have a
2667 BLKmode return in registers.
2669 2000-10-26 Bernd Schmidt <bernds@redhat.co.uk>
2671 * ia64.h (PREFERRED_RELOAD_CLASS): Force floating point constants
2674 2000-10-26 Nathan Sidwell <nathan@codesourcery.com>
2676 * tree.c (make_node, case 't'): Set alignment to that of
2678 * expr.c (move_by_pieces_ninsns): Abort if some length remains.
2680 2000-10-25 Mark Mitchell <mark@codesourcery.com>
2682 * Makefile.in (site.exp): Define HAVE_LIBSTDCXX_V3.
2683 * configure.in (enable-libstdcxx-v3): Arrange to have
2684 HAVE_LIBSTDCXX_V3 substituted into the output files.
2686 2000-10-25 Richard Henderson <rth@redhat.com>
2688 * recog.c (constrain_operands): Initialize which_alternative
2689 before no alternatives early exit.
2691 * cse.c (find_comparison_args): Check that we can reverse a
2692 comparison if needed before accepting the substitution.
2694 * reload.c (find_reloads_address_part): Kill rtx obstack hackery.
2696 * simplify-rtx.c (simplify_relational_operation): Sign extend
2697 low words before sign extending to high words.
2699 2000-10-25 Nick Clifton <nickc@redhat.com>
2701 * config/mcore/mcore.c: Include config.h before system.h.
2703 2000-10-25 Ray Essick <essick@ddna.labs.mot.com>
2705 * config/mcore/mcore.md (return): Force function epilogue to
2706 always be generated to work around epilogue suppression bug in
2709 2000-10-25 Joseph S. Myers <jsm28@cam.ac.uk>
2711 * c-decl.c (grokdeclarator): Move warning for qualified void
2712 return types with -pedantic to when the function type is
2713 constructed. At -W, warn in general for qualified function return
2714 types, except for volatile void.
2715 * invoke.texi: Document this new warning at -W.
2717 2000-10-25 Neil Booth <neilb@earthling.net>
2719 * cpp.texi: Update with implementation-defined behavior and
2722 2000-10-25 Jakub Jelinek <jakub@redhat.com>
2724 * stor-layout.c (layout_type): If TYPE_ALIAS_SET was already set on the
2725 incomplete type force it into alias set 0.
2727 Wed Oct 25 01:02:44 EDT 2000 John Wehle (john@feith.com)
2729 * alias.c: Include basic-block.h.
2730 (loop_p): New function.
2731 (mark_constant_function): Use it.
2732 * Makefile.in (alias.o): Update dependencies.
2734 2000-10-24 Aldy Hernandez <aldyh@redhat.com>
2736 * config/mn10300/mn10300.c (secondary_reload_class): Treat pseudos
2739 2000-10-24 Jim Wilson <wilson@cygnus.com>
2741 * expmed.c (store_bit_field): Move integer pun code down after
2742 code that calls emit_move_insn for entire register move.
2743 * stor-layout.c (compute_record_mode): Revert Mar 25, Aug 18, and
2744 Oct 20 changes. Only store mode in TYPE_MODE if RECORD_TYPE.
2746 2000-10-24 Richard Henderson <rth@cygnus.com>
2748 * rtlanal.c (rtx_unstable_p, rtx_varies_p): Don't consider pic
2749 register stable if PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
2751 2000-10-24 Aldy Hernandez <aldyh@redhat.com>
2753 * gcse.c (cprop_insn): do not propagate constants into jump_insn
2754 for machines with CC0 more than once.
2756 2000-10-24 Richard Henderson <rth@cygnus.com>, Aldy <aldyh@cygnus.com>
2758 * config/mn10300/mn10300.h (PREFERRED_RELOAD_CLASS): Treat
2759 pseudos just like memory.
2761 2000-10-24 Alexandre Oliva <aoliva@redhat.com>
2763 * combine.c (distribute_notes): Discard REG_LIBCALL and REG_RETVAL
2764 when deleting libcall sequence collapsed to a single instruction.
2766 2000-10-24 Andrew Haley <aph@cygnus.co.uk>
2768 * expr.c (do_store_flag): Don't crash if either side of a
2769 comparison is error_mark_node.
2771 2000-10-24 Jakub Jelinek <jakub@redhat.com>
2773 * sibcall.c (purge_mem_unchanging_flag): New function.
2774 (optimize_sibling_and_tail_recursive_calls): Call it.
2776 2000-10-24 Philipp Thomas <pthomas@suse.de>
2778 * Makefile.in (check-po): New target for doing checks in the po
2779 subdir if all languages configured.
2780 (CHECK_TARGETS): Add @CHECK_PO@, replaced with check-po via
2781 configure if NLS is enabled.
2782 * configure.in: If NLS is enabled, substitute CHECK_PO by check-po,
2783 otherwise leave empty.
2784 * configure: Regenerate.
2786 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
2788 * i386.c (print_operand): Handle new 'A' formatting code.
2789 387 opcodes need suffixes even with -mintel-syntax.
2790 Check for explicit size override (codes 'b', 'w' and 'k').
2791 (print_operand_address): Check if register prefix is needed when
2792 emitting `ds' segment override.
2793 * i386.h: Add comment about new 'A' formatting code.
2794 * i386.md (jump and call patterns): Emit absolute references using %A.
2796 2000-10-23 Richard Henderson <rth@cygnus.com>
2798 * config/ia64/ia64.c (ia64_expand_prologue): Mark extra
2799 output registers as fixed.
2800 (ia64_function_epilogue): Undo output fixation.
2802 2000-10-23 Richard Henderson <rth@cygnus.com>
2804 * config/alpha/alpha.md: Add names for all unnamed insns; use
2805 define_insn_and_split in some obvious places.
2807 (zero_extendqihi2): Use an expander w/ nonimmediate_operand for BWX.
2808 (zero_extendqisi2, zero_extendqidi2): Likewise.
2809 (zero_extendhisi2, zero_extendhidi2): Likewise.
2810 (abs splitters): Fix match_scratch operand number.
2811 (bcc_reverse): Swap pc & label instead of non-canonical compare.
2813 2000-10-23 Jim Wilson <wilson@cygnus.com>
2815 * ia64.c (ia64_print_operand, case 'r'): Correct comment. Handle
2817 * ia64.md (cmpsi_adjusted): Use %r3.
2818 (cmpdi_adjusted): Likewise.
2820 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
2822 * config/i386/att.h (ASM_FILE_START): Define.
2824 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
2826 * config/i386/linux.h (ASM_FILE_START): Define.
2828 Wed Oct 18 11:16:40 2000 Donald Lindsay <dlindsay@cygnus.com>
2830 * gcc/configure.in: m68k-coff tm_file should not have libgloss.h,
2831 since this (only) drags in a crt0.o reference that the .ld files
2834 2000-10-23 Geoff Keating <geoffk@cygnus.com>
2836 * reload1.c (reload_reg_reaches_end_p): A RELOAD_OTHER can
2837 overwrite the value in a RELOAD_FOR_INPUT and other kinds of
2838 reloads just like an RELOAD_FOR_OUTPUT would.
2840 * local-alloc.c (update_equiv_regs): Add an abort(). When
2841 deleting or moving insns, update reg_equiv[regno].init_insns.
2843 2000-10-23 Mark Mitchell <mark@codesourcery.com>
2845 * c-tree.texi: Improve documentation for IF_STMTs and related
2846 conditional statements.
2848 2000-10-22 Mark Mitchell <mark@codesourcery.com>
2850 * expr.c (do_preexpand_calls): Remove.
2851 (same_from_p): Don't use CALL_EXPR_RTL.
2852 (expand_expr): Don't call preexpand_calls, or use CALL_EXPR_RTL.
2853 (preexpand_calls): Remove.
2854 * tree.c (first_rtl_op): Remove CALL_EXPR case.
2855 (unsave_expr_1): Likewise.
2856 * tree.def (CALL_EXPR): Give it only two slots.
2857 * tree.h (CALL_EXPR_RTL): Remove.
2859 2000-10-21 Chandrakala Chavva <cchavva@redhat.com>
2861 * libgcc-std.ver (__addvsi3, __addvdi3, __subvsi3, __subvdi3,
2862 __mulvsi3, __negvsi2, __negvdi2, __absvsi2, __absvdi2, __mulvdi3):
2865 2000-10-22 Alexandre Oliva <aoliva@redhat.com>
2867 * calls.c (combine_pending_stack_adjustment_and_call): Don't
2868 adjust stack when unadjusted_alignment ends up as zero.
2870 2000-10-22 Joseph S. Myers <jsm28@cam.ac.uk>
2872 * fixinc/genfixes: Remove EGCS reference.
2873 * install.texi: Remove EGCS reference.
2874 * INSTALL: Regenerate.
2876 2000-10-22 Mark Mitchell <mark@codesourcery.com>
2878 * tree.h (TYPE_IS_SIZETYPE): Add more documentation.
2880 2000-10-21 Joseph S. Myers <jsm28@cam.ac.uk>
2882 * diagnostic.c: Remove EGCS reference in comment.
2884 Sat Oct 21 08:24:25 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2886 * loop.c (strength_reduce): Fix error in last change.
2888 2000-10-20 David Edelsohn <edelsohn@gnu.org>
2890 * Makefile.in (SHLIB_NM_FLAGS): New.
2891 (libgcc.mk): Pass it.
2892 * mklibgcc.in (libgcc.map): Use it.
2894 * rs6000/t-aix43 (SHLIB_EXT, SHLIB_LINK, SHLIB_LIBS,
2895 SHLIB_MKMAP, SHLIB_MAPFILES, SHLIB_NM_FLAGS): New.
2897 2000-10-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2899 * mips.h (REG_CLASS_FROM_LETTER): Cast array arg to unsigned char.
2901 * sparc.c (load_pic_register): Delete unused varaible.
2903 * libgcc2.c (__addvsi3): Delete unused variable.
2905 * libgcc2.h (__absvsi2, __absvdi2, __addvsi3, __addvdi3,
2906 __subvsi3, __subvdi3, __mulvsi3, __mulvdi3, __negvsi2,
2907 __negvdi2): Prototype.
2909 * ssa.c (apply_delayed_renames): Avoid undefined operation.
2911 * toplev.c (display_target_options): Make static to match
2912 prototype. Delete empty declaration.
2914 2000-10-20 Tom Tromey <tromey@cygnus.com>
2916 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Added -MF and -MT.
2917 * gcc.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Added -MF and -MT.
2919 Fri Oct 20 17:05:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2921 * expr.c (expand_expr, case SAVE_EXPR): Set RTX_UNCHANGING_P on
2923 (expand_expr_unaligned, case ARRAY_REF): Check that index is
2924 a constant before comparing it; use tree_low_cst.
2925 * tree.c (save_expr): Set TREE_READONLY.
2926 (substitute_expr): Return inside of NON_LVALUE_EXPR.
2927 (build, build1): Set TREE_READONLY if all operands are.
2928 (build_index_type): If upper bound is a negative number, lower
2929 bound is zero and sizetype is unsigned, use upper bound of one and
2932 2000-10-20 David Edelsohn <edelsohn@gnu.org>
2934 * gcc.c (process_command, main): Use "because" instead of
2935 "since" in error messages.
2937 Fri Oct 20 13:33:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2939 * stor-layout.c (compute_record_mode): Use tree_low_cst.
2940 Don't use mode of field for record unless sizes are the same.
2941 (layout_type, case ARRAY_TYPE): Remove special bounds handling
2942 previously added for Ada; also change to using host_integerp
2945 * loop.c (strength_reduce): Show when new register made for
2946 giv is known to be a pointer and its aligment if so and known.
2947 (loop_dump_aux): Show VERBOSE parameter unused.
2949 * gcse.c (set_hash_table_size): Now unsigned.
2950 * sdbout.c (template_name_p): Add "const" to avoid warnings.
2951 (sdbout_record_type_name, plain_type_1, sdbout_symbol): Likewise.
2952 (sdbout_one_type, sdbout_parms, sdbout_reg_parms): Likewise.
2953 (sdbout_end_epilogue): Remove variable NAME.
2954 * system.h (getopt): Add default definition.
2955 * config/alpha/alpha.c (print_operand): Don't continue processing
2956 after issuing error.
2957 (summarize_insn): Avoid use of UL in constant.
2959 * function.c (locate_and_pad_parm): Use host_integerp and tree_low_cst.
2961 * fold-const.c (force_fit_type): Unsigned values can overflow
2962 if they are sizetype.
2963 (int_const_binop): Don't use cache if overflows.
2965 2000-10-20 Richard Henderson <rth@cygnus.com>
2967 * function.c (locate_and_pad_parm): Zero alignment_pad.
2969 * regrename.c (rr_replace_reg): Rewrite to use recog_data to
2970 perform substitutions, and apply_change_group to see if it worked.
2972 Fri Oct 20 13:33:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2974 * dwarf2out.c (add_bound_info): Also ignore COND_EXPR.
2976 * combine.c (struct undo): Change int to unsigned int.
2977 (do_SUBST_INT): Args are unsigned int.
2978 (make_extraction, force_to_mode): Use proper type when forming mask.
2979 (make_field_assignment): Likewise.
2981 2000-10-20 Joseph S. Myers <jsm28@cam.ac.uk>
2983 * c-common.c (check_format_info_recurse): Extract string constant
2984 initializers from non-volatile constant arrays and check them as
2986 * c-typeck.c (decl_constant_value): Don't check pedantic or check
2987 for DECL_MODE (decl) != BLKmode.
2988 (decl_constant_value_for_broken_optimization): New function which
2989 includes these checks.
2990 (default_conversion, convert_for_assignment, digest_init): Use
2991 decl_constant_value_for_broken_optimization instead of
2992 decl_constant_value.
2994 2000-10-20 Mark Mitchell <mark@codesourcery.com>
2996 * tree.h (DECL_ALIGN_UNIT): New macro.
2998 2000-10-14 Marek Michalkiewicz <marekm@linux.org.pl>
3000 * config/avr/avr-protos.h (avr_output_bld): New.
3001 (out_shift_with_cnt): Add t_len argument.
3002 * config/avr/avr.c (avr_num_arg_regs): Remove -mpack-args.
3003 (output_movqi, output_movhi, output_movsisf): Optimize loading
3004 any constant with exactly one bit set to NO_LD_REGS.
3005 (out_shift_with_cnt): Optimize output code for size or speed,
3006 depending on optimize_size. Handle small shift counts as well
3007 (if not hand-optimized in ?sh??i3_out). Shifts can be done
3008 with or without a scratch register, with help of __tmp_reg__
3009 or __zero_reg__ if necessary. Add T_LEN argument to pass the
3010 length of TEMPLATE in words, return total insn length in *LEN.
3011 (ashlqi3_out, ashrqi3_out, lshrqi3_out): Change all calls to
3012 out_shift_with_cnt to work with the above change.
3013 (ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out, lshrhi3_out,
3014 lshrsi3_out): Likewise. Optimize more known shift count cases.
3015 Remove cases already well optimized in out_shift_with_cnt.
3016 (avr_output_bld): New function.
3017 * config/avr/avr.h (MASK_PACK_ARGS, TARGET_PACK_ARGS): Remove.
3018 (TARGET_SWITCHES): Remove -mpack-args backward compatibility.
3019 * config/avr/avr.md (*reload_inqi, *reload_inhi, *reload_insi):
3020 Add reload_completed to insn condition - only for peepholes.
3021 (ashlqi3, ashrqi3, lshrqi3): Correct insn length for shift counts
3022 in a register or memory.
3023 (ashlhi3, ashlsi3, ashrhi3, ashrsi3, lshrhi3, lshrsi3): Likewise.
3024 Do not require a scratch register.
3025 (*ashlhi3_const, *ashlsi3_const, *ashrhi3_const, *ashrsi3_const,
3026 *lshrhi3_const, *lshrsi3_const): New insns and matching peepholes.
3027 Optimize shifts by known count using a scratch register, but only
3028 if one is still available after register allocation.
3030 2000-10-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3032 * t-vax: New file. Don't build modules from libgcc1.c.
3034 Fri Oct 20 00:57:00 EDT 2000 John Wehle (john@feith.com)
3036 * alias.c: (mark_constant_function): Don't check pure functions.
3037 Initialize and end alias analysis.
3038 (nonlocal_mentioned_p): Rename from nonlocal_reference_p.
3039 Don't make a special exception for recursion. Handle
3040 UNSPEC_VOLATILE. Don't assume ASM_OPERANDS is non-local
3041 unless it's volatile.
3043 * local-alloc.c (equivalence): New structure.
3044 (reg_equiv): Define.
3045 (contains_replace_regs): Remove array and use
3047 (memref_referenced_p): Likewise.
3048 (no_equiv): Likewise.
3049 (update_equiv_regs): Likewise.
3051 (equiv_init_varies_p,
3052 equiv_init_movable_p): New functions.
3053 (update_equiv_regs): Use them. Use rtx_varies_p
3054 instead of function_invariant_p. Process insns
3055 from end to beginning. Allow a REG_EQUIV insn
3056 within the same loop as a use to be moved, also
3057 allow it to be moved out of a loop. Update
3058 REG_DEAD notes when substituting into an insn.
3060 2000-10-19 Jim Wilson <wilson@cygnus.com>
3062 * c-decl.c (start_decl): Check for error_mark_node type before using
3064 (finish_decl): Likewise. Don't give an error if decl type is
3065 already error_mark_node.
3067 * haifa-sched.c (compute_trg_info): Add explanatory comments.
3068 New local update_blocks. Use update_blocks to remove duplicates
3069 when computing update blocks. Check for bblst_table overflow.
3070 (schedule_block): Add explanatory comment. Reduce bblst_size by
3072 * config/ia64/ia64.md (movdi_symbolic): Document loss of REG_LABEL
3075 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
3077 * libgcc2.c (_mulvsi3): Change variables u and v to a and b.
3079 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
3081 * expmed.c: Minor corrections in comments.
3082 * invoke.texi: Added desciption for the new option -ftrapv.
3084 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
3086 * libgcc2.c: Added the missing #endif.
3088 Thu Oct 19 14:25:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
3090 * i386.h (CONST_OK_FOR_LETTER): Re-add 'N'; document.
3092 2000-10-18 Chandrakala Chavva <cchavva@redhat.com>
3094 * expmed.c (expand_mult): Don't do synth_mult optimization for -ftrapv.
3095 Use smulv_optab for -ftrapv.
3096 (expand_mult_highpart): Use unsigned multiply.
3097 (expand_divmod): Special-case division by -1.
3098 For EXACT_DIV_EXPR, do right shift first, then the multiply.
3099 For complex divide, use abs with unsigned result.
3100 * expr.c (force_operand): Use unsigned multiply.
3101 (expand_expr): Use overflow-trapping optabs for signed types if
3103 If flag_trapv, don't generate a recursive call with EXPAND_SUM
3104 if the type is signed and the original call wasn't EXPAND_SUM or
3106 * expr.h (addv_optab, subv_optab, smulv_optab, sdivv_optab): Declare.
3107 (negv_optab, absv_optab): Declare.
3108 * flags.h (flag_trapv): Declare.
3109 * genopinit.c (optabs): Add entries for addv_optab, subv_optab,
3110 smulv_optab, sdivv_optab, negv_optab and absv_optab.
3111 (gen_insn): Interpret '$P' as requiring an integer mode,
3112 including partial integer modes.
3113 * loop.c (emit_iv_add_mult): Use unsigned expand_mult_add.
3114 (product_cheap_p): Use unsigned expand_mult.
3115 * optabs.c (addv_optab, subv_optab, smulv_optab, sdivv_optab): Define.
3116 (negv_optab, absv_optab): Define.
3117 (expand_binop): Use overflow-trapping optabs for signed types if
3119 Handle negv_optab libe neg_optab.
3120 (expand_abs): Take result_unsignedp argument instead of unsignedp one.
3121 Use overflow-trapping optabs for signed result if flag_trapv.
3122 (expand_complex_abs): Use overflow-trapping optabs for signed types if
3124 Don't open-code complex absolute-value operation for flag_trapv.
3125 (init_optabs): Initialize addv_optab, subv_optab, smulv_optab,
3126 sdivv_optab, negv_optab and absv_optab.
3127 * toplev.c (flag_trapv): Define.
3128 (lang_independent_options f_options): Include flag_trapv.
3129 * tree.h (TYPE_TRAP_SIGNED): Define.
3130 * libgcc2.c (__addvsi3, __addvdi3, __subvsi3,__subvsi3, __subvdi3,
3131 __mulvsi3, __negvsi2, __negvdi2, __absvsi2, __absvdi2, __mulvdi3):
3133 * Makefile.in: add _absvsi2 _absvdi2 _addvsi3 _addvdi3 _subvsi3
3134 _subvdi3 _mulvsi3 _mulvdi3 _negvsi2 _negvdi2.
3136 2000-10-18 Geoffrey Keating <geoffk@cygnus.com>
3137 David V. Henkel-Wallace <gumby@cygnus.com>
3139 * config/i386/t-netware: Bring in from the Red Hat tree.
3140 * config/i386/netware.h: Likewise.
3141 * config/netware.h: Likewise.
3142 * config/rs6000/netware.h: Delete.
3143 * configure.in: Add i[34567]86-*-netware.
3144 * configure: Hand-edit to match configure.in change.
3146 2000-10-18 Mark Mitchell <mark@codesourcery.com>
3148 * c-common.h (flag_no_builtin): Declare.
3149 (flag_no_nonansi_builtin): Likewise.
3150 (c_common_nodes_and_builtins): Change prototype.
3151 * c-common.c (flag_no_builtin): New variable.
3152 (flag_no_nonansi_builtin): Likewise.
3153 (c_common_nodes_and_builtins): Remove parameters. Adjust
3155 * c-decl.c (flag_no_builtin): Remove.
3156 (flag_no_nonansi_builtin): Likewise.
3157 (init_decl_processing): Adjust call to
3158 c_common_nodes_and_builtins.
3160 2000-10-18 Marc Espie <espie@openbsd.org>
3162 * tm.texi (LIBGCC_SPEC): Synch with reality.
3164 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
3166 * c-common.c (check_format_types): Check for writing through a
3167 NULL pointer argument.
3169 2000-10-18 Hans-Peter Nilsson <hp@axis.com>
3171 * tm.texi (Exception Region Output): Document
3172 DWARF_CIE_DATA_ALIGNMENT.
3173 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Wrap definition in
3175 [ENABLE_CHECKING] (reg_save): Abort if offset is not a multiple of
3176 DWARF_CIE_DATA_ALIGNMENT.
3178 2000-10-18 Michael Hayes <mhayes@cygnus.com>
3180 * basic-block.h (struct loop): Delete fields pre_header_root
3181 and pre_header_trace and replace with pre_header_edges
3182 and num_pre_header_edges.
3183 * flow.c (flow_loop_dump): Dump pre_header_edges.
3184 (flow_loops_free): Free pre_header_edges.
3185 (flow_loop_pre_header_scan): Calculate pre_header_edges.
3187 2000-10-18 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3189 * contrib.texi: Update references to steering committee members
3190 and Jeff Law's entry.
3192 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
3194 * c-common.c (CPLUSPLUS_STD_VER, C_STD_VER, C_STD_NAME): Define.
3195 (maybe_read_dollar_number, check_format_info_main): Use them for
3196 pedantic warning messages.
3198 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
3200 * c-common.c (check_format_info_main): Minor cleanup: move
3201 variables into inner scopes; initialize declarations where
3202 appropriate; don't hardcode "scanf" name on warning for zero
3205 2000-10-17 Mark Mitchell <mark@codesourcery.com>
3207 * c-common.c (back_end_hook): New variable.
3208 * c-common.h (back_end_hook): Declare it.
3209 * c-lang.c (finish_file): Use it.
3211 * emit-rtl.c (init_emit_once): Initialize the const_int_htab
3214 2000-10-18 Jan Hubicka <jh@suse.cz>
3216 * i386.c (ix86_comparison_operator, put_condition_code,
3217 ix86_match_ccmode, ix86_cc_mode): Handle CCRCmode.
3218 (ix86_expand_strlensi_unroll_1): Use CCRCmode.
3219 * i386.h (EXTRA_CC_MODES): Add CCRCmode.
3220 * i386.md (adddi and negdi splitter): Use CCRCmode.
3221 (add?i_3, add?i_4, add?i_5): Use CCRCmode; swap operands
3222 (subsi3_carry): add '*'
3223 (addsi3_carry_rc, subsi3_carry_rc, x86_movsicc_0_m1_rc): New.
3224 (cmp to add peep2): Use CCRCmode; swap operands.
3226 2000-10-18 Kazu Hirata <kazu@hxi.com>
3228 * h8300.c: Fix a comment typo.
3229 (round_frame_size): New.
3230 (compute_saved_regs): Likewise.
3233 (push_order): Remove.
3234 (pop_order): Likewise.
3235 (function_prologue): Rearrange code for readability.
3236 (function_epilogue): Likewise.
3238 * config/h8300/h8300.md: Remove an unnecessary sign_extend
3239 expander that is used when not optimizing. Output a tab after
3240 each assembly insns.
3242 * reorg.c: Fix formatting.
3244 2000-10-17 Joern Rennecke <amylaar@redhat.co.uk>
3246 * reload1.c (move2add_note_store): Check for simple
3247 auto-inc in destination.
3249 2000-10-17 Michael Chastain <chastain@redhat.com>
3251 * config/i386/i386-aout.h: define INT_ASM_OP.
3253 Tue Oct 17 20:11:08 2000 Alan Modra <alan@linuxcare.com.au>
3255 * pa.c (print_operand): Handle case 'c' for .vtable_inherit
3257 Tue Oct 17 20:05:51 2000 Martin Buchholz <martin@xemacs.org>
3259 * i370.md: Fix spelling typo.
3261 2000-10-17 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3263 * function.c (locate_and_pad_parm): Don't align stack unconditionally.
3264 Fixes execute/20001017-1.c on powerpc-linux-gnu.
3266 * expr.c (store_constructor): Apply MEM_ALIAS_SET to MEMs only.
3267 * rs6000/rs6000.c (rs6000_hash_constant): Use X0INT to access a
3270 * rs6000/rs6000.h (NO_DOLLAR_IN_LABEL, DOLLARS_IN_IDENTIFIERS,
3271 ENCODE_SECTION_INFO, ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Move from
3273 * rs6000/aix.h: ...to here.
3274 * rs6000/linux.h (ASM_APP_ON, ASM_APP_OFF): Define to Linux-style.
3276 2000-10-17 Jakub Jelinek <jakub@redhat.com>
3278 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Reload gp if needed.
3280 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): Always use call, make
3281 sure linker can relax even the delay slot mov %g1,%o7, fix output
3284 2000-10-17 Kazu Hirata <kazu@hxi.com>
3286 * config/h8300/h8300.md: Remove an unnecessary zero_extend
3287 expander that is used when not optimizing. Output a tab after
3288 each assembly insns.
3290 2000-10-17 Chandrakala Chavva <cchavva@redhat.com>
3292 * gcc.c: New options --target-help.
3293 (process_command): Added code to parse this new option.
3294 * toplev.c (display_target_options): New function to support the
3296 * cppinit.c (new_pending_directive) : New option OPT_target__help.
3297 (cpp_handle_option): Support this new option.
3298 * invoke.texi: Added notes about --target-help option.
3300 2000-10-17 Graham Stott <grahams@redhat.com>
3302 * config/i386/i386.md (testqi_1): Add missing operand prefix
3304 * config/i386/i386-protos.h: Add missing prototype.
3306 2000-10-17 Diego Novillo <dnovillo@cygnus.com>
3308 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Symbol
3309 _GLOBAL_OFFSET_TABLE should not have a $ prefix when
3310 using -mintel-syntax.
3312 2000-10-17 Joseph S. Myers <jsm28@cam.ac.uk>
3314 * c-common.c (FMT_FLAG_DOLLAR_MULTIPLE): Define.
3315 (format_types): Use it for printf.
3316 (maybe_read_dollar_number): Add parameter for the kind of format
3317 involved. Warn for multiple use for arguments if this is
3318 inappropriate for the kind of format involved.
3319 (check_format_info_main): Update calls to maybe_read_dollar_number.
3321 2000-10-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3323 * inclhack.def (hpux_maxint): Also apply fix to values.h.
3324 * fixincl.x: Rebuilt.
3326 2000-10-17 Alexandre Oliva <aoliva@redhat.com>
3328 * genrecog.c (write_switch): Return the first condition that needs a
3331 2000-10-17 Bernd Schmidt <bernds@redhat.co.uk>
3333 * c-tree.h (warn_sequence_point): Move declaration to...
3334 * c-common.h (warn_sequence_point): ... here.
3335 * c-decl.c (warn_sequence_point): Move definition to...
3336 * c-common.c (warn_sequence_point): ... here.
3337 (struct reverse_tree): New.
3338 (reverse_list, reverse_max_depth): New static variables.
3339 (build_reverse_tree, common_ancestor, modify_ok
3340 verify_sequence_points): New functions.
3341 (c_expand_expr_stmt): Call verify_sequence_points if -Wsequence-point.
3342 * c-typeck.c (check_modify_expr): Delete.
3343 (build_modify_expr): Don't call it.
3345 2000-10-17 Joseph S. Myers <jsm28@cam.ac.uk>
3347 * c-common.h (warn_missing_format_attribute): New variable.
3348 * c-decl.c (warn_missing_format_attribute): New variable.
3349 (c_decode_option): Decode -Wmissing-format-attribute and
3350 -Wno-missing-format-attribute.
3351 * c-common.c (check_function_format): If
3352 -Wmissing-format-attribute, give a warning where a vprintf or
3353 vscanf function is called by a function without its own printf or
3355 * toplev.c (documented_lang_options): Add
3356 -Wmissing-format-attribute.
3357 * invoke.texi: Document -Wmissing-format-attribute.
3359 2000-10-17 Marc Espie <espie@openbsd.org>
3361 * invoke.texi (-shared): Insist on requiring code generation flags
3362 to be used along with -shared, and document the subtle failure that
3363 may occur otherwise.
3365 2000-10-16 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3367 * pa.md (return_internal): Move `use' after `return'.
3369 2000-10-16 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
3371 * machmode.def: Correct comment.
3373 2000-10-16 Rodney Brown <RodneyBrown@mynd.com>
3375 * print-rtl.c (print_rtx_head): Constify.
3376 * rtl.h (print_rtx_head): Similarly.
3378 * config/pa/pa/pa-protos.h (output_64bit_and, output_64bit_ior):
3379 Constify char * return value.
3381 (output_64bit_and, output_64bit_ior): Constify char * return value.
3382 (pa_can_combine_p): Make static.
3383 (function_arg): Decorate unused `named' argument. Fix comment typo.
3384 (function_arg_partial_nregs): Decorate unused `named' argument.
3386 2000-10-16 Joseph S. Myers <jsm28@cam.ac.uk>
3388 * c-common.c (format_check_results): New structure.
3389 (finish_dollar_format_checking): Adjust to take a
3390 format_check_results * parameter.
3391 (check_format_info, check_format_info_recurse,
3392 check_format_info_main): Split check_format_info into three
3393 functions, the main checking going in check_format_info_main.
3394 Recurse when any reduction of the format string argument towards a
3395 string literal is done; go down both branches of a conditional
3396 expression. Don't warn for extra format arguments or empty format
3397 strings if they only occur in some branches of a conditional
3400 2000-10-16 Kazu Hirata <kazu@hxi.com>
3402 * config/h8300/h8300.c: Remove obstack. Include ggc.h.
3404 2000-10-16 Jakub Jelinek <jakub@redhat.com>
3406 * rtlanal.c (may_trap_p): Check operand modes of COMPARE.
3408 2000-10-15 Diego Novillo <dnovillo@cygnus.com>
3410 * i386.md (*movsi_or): Switch operand order for intel syntax.
3412 2000-10-14 Joseph S. Myers <jsm28@cam.ac.uk>
3416 * gcc.texi (Contributing): Update.
3418 2000-10-13 Diego Novillo <dnovillo@cygnus.com>
3420 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Output final jump using
3421 appropriate assembler dialect.
3423 2000-10-13 Alexandre Oliva <aoliva@redhat.com>
3425 * c-common.c (c_expand_builtin): PARAMS-ize prototype.
3427 2000-10-12 Marek Michalkiewicz <marekm@linux.org.pl>
3429 * config/avr/avr.c (output_movhi, output_movsisf): Fix loading
3430 constants 1 and 2 to NO_LD_REGS.
3432 2000-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3434 * Makefile.in (c-parse.c, tradcif.c): Create atomically.
3436 * objc/Make-lang.in (objc-parse.c): Likewise.
3438 2000-10-13 Richard Earnshaw <rearnsha@arm.com>
3440 * arm.c: Include obstack.h
3441 (minipool_obstack, minipool_startobj): Define.
3442 (arm_add_gc_roots): Initialize them.
3443 (create_fix_barrier): Use our new obstack.
3444 (push_minipool_barrier, push_minipool_fix): Likewise.
3445 (arm_reorg): Release obstack memory.
3447 2000-10-13 Jakub Jelinek <jakub@redhat.com>
3449 * config/sparc/sparc.md (nonlocal_goto_receiver): Remove.
3450 (prologue, exception_receiver, builtin_setjmp_receiver): New
3452 * config/sparc/sparc.h (FINALIZE_PIC): Remove.
3453 * config/sparc/sparc-protos.h (finalize_pic): Remove.
3454 (load_pic_register): New prototype.
3455 * config/sparc/sparc.c (pic_setup_code): Remove.
3456 (finalize_pic): Rename to...
3457 (load_pic_register): ...this function.
3458 Don't look for nonlocal_goto_receivers and emit pic setup code
3459 directly. Don't check current_function_uses_pic_offset_table.
3461 2000-10-13 Richard Earnshaw <rearnsha@arm.com>
3463 * tree.h (struct obstack): Declare.
3465 2000-10-12 Mark Mitchell <mark@codesourcery.com>
3468 * Makefile.in (ggc-callbacks.o): Remove target.
3469 (flow.o): Depend on GGC_H.
3470 * alias.c (init_alias_analysis):
3471 Remove ggc_p conditionals.
3472 (end_alias_analysis): Likewise.
3473 * basic-block.h (init_flow): New function.
3474 (allocate_reg_life_data): Declare.
3475 * bb-reorder.c (function_obstack): Replace with ...
3476 (flow_obstack): ... new variable.
3477 (fixup_reorder_chain): Use it.
3478 * c-decl.c (ggc_p): Remove.
3479 (caller-save.c): Don't call oballoc/obfree.
3481 undobuf): Remove storage.
3482 (try_combine): Don't call oballoc.
3483 (undo_all): Don't call obfree.
3484 * cse.c (insert): Use xmalloc, not
3486 (cse_main): Adjust accordingly.
3487 * dwarf2out.c (save_rtx): Remove
3489 (dwarf2out_init): Remove ggc_p conditionals.
3490 * emit-rtl.c (rtl_obstack): Remove.
3491 (gen_rtx_CONST_INT): Remove ggc_p conditionals.
3492 (make_insn_raw): Likewise.
3493 (emit_insn_before): Likewise.
3494 (emit_insn_after): Likewise.
3495 (emit_insn): Likewise.
3496 (gen_sequence): Likewise.
3497 (copy_insn_1): Remove handling of `b' RTL components.
3498 (init_emit_once): Remove ggc_p conditionals.
3499 * except.c (create_rethrow_ref): Don't fool with obstacks.
3500 (add_partial_entry): Likewise.
3501 (call_get_eh_context): Likewise.
3502 (begin_protect_partials): Likewise.
3503 (protect_with_terminate): Likewise.
3505 (plus_constant_wide): Likewise.
3506 * expr.c (init_expr_once):
3508 (emit_block_move): Likewise.
3509 (clear_storage): Likewise.
3510 (expand_expr): Likewise.
3511 * flow.c (function_obstack): Remove.
3512 (flow_obstack): New variable.
3513 (flow_firstobj): Likewise.
3514 (create_base_block): Use the flow_obstack.
3515 (split_block): Likewise.
3516 (split_edge): Likewise.
3517 (calculate_global_regs_live): Likewise.
3518 (allocate_bb_life_data): Make it static. Likewiwse.
3519 (init_flow): New function.
3520 (size_int_type_wide): Remove ggc_p conditionals.
3522 (push_function_context_to): Don't call save_tree_status.
3523 (pop_function_context_from): Or restore_tree_status.
3524 (assign_stack_local_1): Don't call push_obstacks.
3525 (find_fixup_replacement): Use xmalloc.
3526 (fixup_var_refs_insns): Free the storage.
3527 (insns_for_mem_walk): Don't mess with obstacks.
3528 (instantiate_decls): Likewise.
3529 (trampoline_address): Likewise.
3530 (expand_function_end): Likewise.
3531 * function.h (sturct function):
3532 Remove obstack-related variables.
3533 (save_tree_status): Don't declare.
3534 (restore_tree_status): Likewise.
3535 * gcse.c (compute_can_copy):
3536 Don't call oballoc/obfree.
3537 * genattrtab.c (operate_exp): Remove
3539 (simplify_cond): Likewise.
3540 (simplify_test_exp): Don't mess with obstacks.
3541 (optimize_attrs): Likewise.
3542 * gengenrtl.c (gendef): Don't include
3544 * ggc-callbacks.c (ggc_p): Remove.
3545 * ggc-none.c (ggc_p): Remove.
3546 * ggc.h (ggc_p): Don't declare.
3547 * integrate.c (save_for_inline): Don't mess with obstacks.
3548 (integrate_decl_tree): Likewise.
3549 (output_inline_function): Likewise.
3551 (init_EXPR_INSN_LIST_cache): Likewise.
3552 * loop.c (temp_obstack):
3554 (rtl_obstack): Likewise.
3555 (init_loop): Don't mess with obstacks.
3556 (reg_address_cost): Free BIVs and GIVs.
3557 (check_insns_for_bivs): Use xmalloc, not oballoc.
3558 (find_mem_givs): Likewise.
3559 (record_biv): Likewise.
3560 (general_induction_var): Likewise.
3561 (product_cheap_p): Likewse.
3562 * optabs.c (init_one_libfunc): Remove
3564 * print-tree.c (debug_tree): Don't use
3566 (print_node): Likewise.
3567 * profile.c (output_func_start_profiler):
3568 Remove call to temporary_allocation.
3570 (eliminate_regs_in_insn): Don't mess with obstacks.
3572 (mark_target_live_regs): Use xmalloc.
3573 (free_resource_info): Free the memory.
3574 * rtl.c (rtl_obstack):
3576 (rtvec_alloc): Don't mess with obstacks.
3577 (rtx_alloc): Likewise.
3579 (copy_rtx): Don't handle `b' cases.
3580 (read_rtx): Use a local rtl_obstack.
3581 * rtl.h (oballoc): Remove.
3583 (pop_obstacks): Likewise.
3584 (push_obstacks): Likewise.
3585 (allocate_bb_life_data): Likewise.
3586 (allocate_reg_life_data): Likewise.
3587 (rtx_free): Likewise.
3588 * sdbout.c (sdbout_queue_anonymous_type):
3589 Use tree_cons, not saveable_tree_cons.
3591 (cselib_init): Don't mess with obstacks.
3593 (mark_block_nesting): Mark the label_chain.
3594 (epxand_label): Use ggc_alloc, not oballoc.
3595 (clear_last_expr): Don't mess with obstacks.
3596 (expand_decl_cleanup): Likewise.
3597 (expand_dcc_cleanup): Likewise.
3598 (expand_dhc_cleanup): Likewise.
3599 (expand_anon_union_decl): Likewise.
3600 (add_case_node): Use xmalloc, not oballoc.
3601 (free_case_nodes): New function.
3602 (expand_end_case): Call it.
3603 * stor-layout.c (layout_type): Don't
3605 (layout_type): Likewise.
3606 * toplev.c (wrapup_global_declarations):
3608 (compile_file): Remove ggc_p conditionals.
3609 (rest_of_compilation): Call init_flow. Remove ggc_p conditionals.
3610 (decode_f_option): Remove ggc_p conditionals.
3612 (function_maybepermanent_obstack): Remove.
3613 (maybepermanent_obstack): Likewise.
3614 (function_obstack): Likewise.
3615 (tmeporary_obstack): Likewise.
3616 (momentary_obstack): Likewise.
3617 (temp_decl_obstack): Likewise.
3618 (saveable_obstack): Likewise.
3619 (rtl_obstack): Likewise.
3620 (current_obstack): Likewise.
3621 (expression_obstack): Likewise.
3622 (struct obstack_stack): Likewise.
3623 (obstack_stack): Likewise.
3624 (obstack_stack_obstack): Likewise.
3625 (maybepermanent_firstobj): Likewise.
3626 (temporary_firstobj): Likewise.
3627 (momentary_firstobj): Likewise.
3628 (temp_decl_firstobj): Likewise.
3629 (momentary_function_firstobj): Likewise.
3630 (all_types_permanent): Likewise.
3631 (struct momentary_level): Likewise.
3632 (momentary_stack): Likewise.
3633 (init_obstacks): Remove initialization of removed obstacks.
3634 (save_tree_status): Remove.
3635 (restore_tree_status): Likewise.
3636 (temporary_allocation): Liekwise.
3637 (end_temporary_allocation): Liekwise.
3638 (resume_temporary_allocation): Likewise.
3639 (saveable_allocation): Likewise.
3640 (push_obstacks): Likewise.
3641 (push_obstacks_nochange): Likewise.
3642 (pop_obstacks): Likewise.
3643 (allocation_temporary_p): Likewise.
3644 (permanent_allocation): Likewise.
3645 (preserve_data): Likewise.
3646 (preserve_initializer): Likewise.
3647 (rtl_in_current_obstack): Likewise.
3648 (rtl_in_saveable_obstack): Likewise.
3649 (oballoc): Likewise.
3651 (savealloc): Likewise.
3652 (expralloc): Likewise.
3653 (print_obstack_name): Likewise.
3654 (debug_obstack): Likewise.
3655 (object_permanent_p): Likewise.
3656 (push_momentary): Likewise.
3657 (perserve_momentary): Likewise.
3658 (clear_momentary): Likewise.
3659 (pop_momentary): Likewise.
3660 (pop_momentary_nofree): Likewise.
3661 (suspend_momentary): Likewise.
3662 (resume_momentary): Likewise.
3663 (make_node): Don't set TREE_PERMANENT.
3664 (copy_node): Remove ggc_p conditionals. Don't set TYPE_OBSTACK.
3665 Don't set TREE_PERMANENT.
3666 (get_identifier): Remove ggc_p conditionals.
3667 (build_string): Likewise.
3668 (make_tree_vec): Likewise.
3669 (build_decl_list): Remove.
3670 (build_expr_list): Likewise.
3671 (tree_cons): Remove ggc_p conditionals.
3672 (decl_tree_cons): Remove.
3673 (expr_tree_cons): Likewise.
3674 (perm_tree_cons): Likewise.
3675 (temp_tree_cons): Likewise.
3676 (saveable_tree_cons): Likewise.
3677 (build1): Remove ggc_p conditionals.
3678 (build_parse_node): Likewise.
3679 (build_type_attribute_variant): Don't mess with obstacks.
3680 (build_type_copy): Likewise.
3681 (type_hash_canon): Likewise.
3682 (build_pointer_type): Likewise.
3683 (build_reference_type): Likewise.
3684 (build_index_type): Likewise.
3685 (build_range_type): Likewise.
3686 (dump_tree_statistics): Don't print obstack information.
3688 (struct tree_common): Remove permanent_flag.
3689 (TREE_PERMANENT): Remove.
3690 (TREE_SET_PERMANENT): Likewise.
3691 (TYPE_OBSTACK): Likewise.
3692 (struct tree_type): Remove obstack.
3694 (savealloc): Likewise.
3695 (build_decl_list): Likewise.
3696 (build_expr_list): Likewise.
3697 (perm_tree_cons): Likewise.
3698 (temp_tree_cons): Likewise.
3699 (saveable_tree_cons): Likewise.
3700 (decl_tree_cons): Likewise.
3701 (expr_tree_cons): Likewise.
3702 (suspend_momentary): Likewise.
3703 (allocation_temporary_p): Likewise.
3704 (resume_momentary): Likewise.
3705 (push_obstacks_nochange): Likewise.
3706 (permanent_allocation): Likewise.
3707 (push_momentary): Likewise.
3708 (clear_momentary): Likewise.
3709 (pop_momentary): Likewise.
3710 (end_temporary_allocation): Likewise.
3711 (pop_obstacks): Likewise.
3712 (push_obstacks): Likewise.
3713 (pop_momentary_nofree): LIkewise.
3714 (preserve_momentary): Likewise.
3715 (saveable_allocation): Likewise.
3716 (temporary_allocation): Likewise.
3717 (resume_temporary_allocation): Likewise.
3718 (perserve_initializer): Likewise.
3719 (debug_obstack): Likewise.
3720 (rtl_in_current_obstack): Likewise.
3721 (rtl_in_saveable_obstack): Likewise.
3723 * varasm.c (current_obstack): Remove.
3724 (saveable_obstack): Remove.
3725 (rtl_obstack): Remove.
3726 (immed_double_const): Don't mess with obstacks.
3727 (immed_real_cons): Likewise.
3728 (output_constant_def): Likewise.
3729 (init_varasm_status): Use xcalloc.
3730 (mark_pool_constant): Mark the pool constant itself.
3731 (free_varasm_status): Free memory.
3732 (decode_rtx_const): Call bzero directly, rather than expanding it
3734 (record_rtx_const): Don't mess with obstacks.
3735 (force_const_mem): Likewise.
3736 * config/arm/arm.c (arm_encode_call_attribute): Remove ggc_p
3738 (aof_pic_entry): Likewise.
3739 * config/ia64/ia64.c (ia64_encode_section_info): Likewise.
3740 * config/m32r/m32r.c (m32r_encode_section_info): Likewise.
3741 * config/pa/pa.c (saveable_obstack): Remove.
3742 (rtl_obstack): Likewise.
3743 (current_obstack): Likewise.
3744 (output_call): Don't mess with obstacks.
3745 (hppa_encode_label): Remove ggc_p conditionals.
3746 * config/romp/romp.c (get_symref): Don't mess with obstacks.
3747 * config/rs6000/rs6000.c (output_toc): Remove ggc_p conditional.
3748 (rs6000_encode_section_info): Likewise.
3749 * config/sh/sh.c (get_fpscr_rtx): Likewise.
3751 Thu Oct 12 16:02:31 MET DST 2000 Jan Hubicka <jh@suse.cz>
3753 * i386.md (adddi3, subdi3 splitters): Update for new pattern.
3754 (addsi3_cc, addqi3_cc, subsi3_cc): Remove
3755 (addsi3_carry): Canonicalize.
3756 (addqi_5): Remove '*'.
3757 (sbb pattern): Canonicalize.
3759 * i386.md (cmp to inc/add peep2): New.
3761 2000-10-12 Richard Earnshaw <rearnsha@arm.com>
3763 * bb-reorder.c (reorder_basic_blocks): Allocate an aux block for
3766 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
3768 * gcc.texi: Merge in contents of README.TRAD and TESTS.FLUNK.
3769 * README.TRAD, TESTS.FLUNK: Remove.
3771 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
3773 * c-common.c (decl_attributes): Don't allow strftime formats with
3774 first_arg_num nonzero.
3775 (check_format_info): Set wanted_type and wanted_type_name to zero
3776 before they are possibly assigned and used.
3778 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
3780 * c-common.c (scanf_flag_specs): Add flags ' and I.
3781 (strftime_flag_pairs): Disallow any pair of the _, - and 0 flags,
3782 or the ^ and # flags together.
3783 (scan_char_table): Handle the ' and I flags.
3784 (format_types): Add ' and I flags for scanf.
3786 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
3788 * c-common.c (print_char_table): Use the unpromoted type for
3789 lengths "h" and "hh" with conversions dioxXu.
3790 (check_format_types): Apply the default argument promotions where
3791 the wanted type is not a pointer target.
3793 2000-10-11 Michael Meeks <mmeeks@gnu.org>
3794 Joseph S. Myers <jsm28@cam.ac.uk>
3796 * c-typeck.c (check_modify_expr): New function.
3797 (build_modify_expr): Call it if warn_sequence_point.
3798 * c-decl.c (warn_sequence_point): New variable.
3799 (c_decode_option): Handle -Wsequence-point and
3800 -Wno-sequence-point. Enable -Wsequence-point as part of -Wall.
3801 * c-tree.h (warn_sequence_point): Declare.
3802 * invoke.texi (-Wsequence-point): Document.
3803 * toplev.c (documented_lang_options): Add -Wsequence-point and
3804 -Wno-sequence-point.
3805 Original work by Michael Meeks, 16 Jun 1998.
3807 Wed Oct 11 06:15:41 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3809 * tree.c (get_narrower): Don't look at precision of field if
3812 Tue Oct 10 23:14:33 2000 Denis Chertykov <denisc@overta.ru>
3814 * config/avr/avr.c (valid_machine_decl_attribute): Allow `extern'
3815 declaration for data with "progmem" attribute.
3817 2000-10-09 Marek Michalkiewicz <marekm@linux.org.pl>
3819 * config/avr/avr.c (out_shift_with_cnt): Use AS2 macro.
3820 Correct insn length if shift count is a memory operand.
3821 * config/avr/avr.md: New define_peephole2 to use *reload_inqi.
3822 (*iorhi3_clobber): Change lo8 to hi8.
3823 (zero_extendhisi2): Change %B0 to %A1.
3824 (ashlhi3, ashrhi3): Correct insn length.
3825 (andhi3, abssf2, extendqisi2, extendhisi2): Change "cc"
3826 from "clobber" to "set_n" in some alternatives.
3828 2000-10-10 Jakub Jelinek <jakub@redhat.com>
3830 * reload1.c (calculate_needs_all_insns): If deleting an instruction,
3831 remove its insn_chain structure as well.
3833 2000-10-09 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3835 * dbxout.c (dbxout_source_line): Remove extra tab.
3837 2000-10-09 Hans-Peter Nilsson <hp@bitrange.com>
3839 * config/elfos.h (UNIQUE_SECTION): Apply STRIP_NAME_ENCODING on name.
3841 2000-10-09 Richard Henderson <rth@cygnus.com>
3843 * Makefile.in (LANG_LIB2FUNCS): Remove.
3844 (LIB2FUNCS): Remove _pure.
3845 (LIB2ADD): Remove LANG_LIB2FUNCS.
3846 (stage_a): Don't set LANG_LIB2FUNCS.
3847 * libgcc2.c (__terminate): Mark noreturn.
3848 (__pure_virtual): Remove.
3849 * mklibgcc.in: Remove LIB2ADD .txt processing.
3851 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
3853 * arm.md (push_multi): Revert unintended change.
3855 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
3857 * arm.c: Miscellaneous white space and comment clean-ups. No
3861 2000-10-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3863 * c-common.c (c_expand_builtin_printf): Set the TREE_TYPE of a new
3864 STRING_CST by calling combine_strings.
3866 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
3868 * arm.c (thumb_expand_movstrqi): Rewrite to support SSA form.
3869 (thumb_output_move_mem_multiple): Support new insn format.
3870 * arm.md (movmem12b): Use SSA compatible format.
3871 (movmem8b): Likewise.
3873 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
3875 * arm.md (predicable): New attribute, default to "no".
3876 (all patterns): Mark as predicable if appropriate.
3877 (conditional execution splits): Split using predication format.
3878 (define_cond_exec): Define.
3879 * arm.c (arm_print_operand): handle insn predicate.
3881 2000-10-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3883 * README.NS32K: Remove file.
3885 2000-10-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3887 * README-bugs: Remove file.
3889 2000-10-08 Philipp Thomas <pthomas@suse.de>
3890 * aclocal.m4 (AM_GNU_GETTEXT): Fix non portable use of == operator
3892 * configure: Rebuilt.
3894 2000-10-08 Philipp Thomas <pthomas@suse.de>
3895 * aclocal.m4 (AM_WITH_NLS): When not using included gettext,
3896 disable catalog building if no suitable program was found.
3897 Move warning message from here
3898 (AM_GNU_GETTEXT): To here.
3899 * configure: Rebuilt.
3901 2000-10-08 Philipp Thomas <pthomas@suse.de>
3902 * aclocal.m4 (GCC_PATH_PROG): New. Like AC_PATH_PROG but uses
3903 different cache variables.
3904 (GCC_PATH_PROG_WITH_TEST): New. Like AM_PATH_PROG_WITH_TEST but
3905 uses different cache variables.
3906 (AM_WITH_NLS): Use GCC_PATH_PROG and GCC_PATH_PROG_WITH_TEST.
3907 * configure: Regenerated.
3909 2000-10-08 Richard Henderson <rth@cygnus.com>
3911 * Makefile.in (libgcc.mk): Pass SHLIB_EXT, not SHLIB_LIBS.
3912 * configure.in (sparc*-*-solaris*): Use t-slibgcc{,-sld}.
3913 * mklibgcc.in: Consider SHLIB_LINK the entire shlib build command.
3916 * config/t-linux (SHLIB_EXT): New.
3917 (SHLIB_LINK): Use the entire build command, with substitutions.
3918 (SHLIB_LIBS): Remove.
3919 * config/alpha/t-osf4: Likewise.
3920 * config/mips/t-iris6: Likewise.
3921 * config/sparc/t-sol2: Likewise, but move shlib stuff...
3922 * config/sparc/t-slibgcc-sld: ...here.
3923 * config/sparc/t-slibgcc: New file.
3925 2000-10-08 Joseph S. Myers <jsm28@cam.ac.uk>
3927 * tm.texi (INTMAX_TYPE, UINTMAX_TYPE): Define.
3928 * c-common.h (enum c_tree_index): Add CTI_INTMAX_TYPE and
3930 (intmax_type_node, uintmax_type_node): Define.
3931 * c-common.c (decl_attributes): If pedantic, warn if `mode'
3932 attributes create a type wider than intmax_t.
3933 (T_IM, T_UIM): Define properly.
3934 * c-decl.c (INTMAX_TYPE, UINTMAX_TYPE): Define if not already
3936 (init_decl_processing): Initialize intmax_type_node and
3938 * c-lex.c (lex_number): When pedantic and warning for integer
3939 constants that are too large, in C99 mode warn for those that have
3940 a type wider than long long.
3942 2000-10-08 Joseph S. Myers <jsm28@cam.ac.uk>
3944 * c-common.c (FMT_FLAG_ARG_CONVERT, FMT_FLAG_SCANF_A_KLUDGE,
3945 FMT_FLAG_FANCY_PERCENT_OK): Define.
3946 (format_char_info): Add flag "4" to comment.
3947 (format_flag_spec, format_flag_pair): New structures.
3948 (format_kind_info): Add additional fields to control format
3950 (printf_flag_specs, printf_flag_pairs, scanf_flag_specs,
3951 scanf_flag_pairs, strftime_flag_specs, strftime_flag_pairs): New
3953 (time_char_table): Use "4" flag to handle %Ey.
3954 (format_types): Add entries for new fields.
3955 (get_flag_spec): New function.
3956 (check_format_info): Increase size of flag_chars[] to 256.
3957 Control format checking using the new fields of a format_kind_info
3958 and the new tables; remove all conditionals on printf_format_type,
3959 scanf_format_type or strftime_format_type. Handle all details of
3960 bad combinations of flags (including width, precision and strftime
3961 modifiers) through data rather than ad hoc code. Handle all
3962 details of standard versions in which flags appeared through
3963 data. Use the "4" flag.
3965 2000-10-07 Will Cohen <wcohen@redhat.com>, Kazu Hirata <kazu@hxi.com>
3967 * config/h8300/h8300.md: Remove the memory alternative and correct
3968 the insn lengths in the templates for sign extention and zero
3971 2000-10-07 Richard Henderson <rth@cygnus.com>
3973 * calls.c (expand_call): Disallow sibcalls to noreturn functions.
3974 * flow.c (make_edges): Revert last change.
3976 * config/alpha/alpha.h (FUNCTION_OK_FOR_SIBCALL): Don't test
3978 * config/pa/pa.h (FUNCTION_OK_FOR_SIBCALL): Likewise.
3980 2000-10-06 David O'Brien <obrien@dragon.nuxi.com>
3982 * config/alpha/elf.h: Standardize the formatting.
3984 2000-10-06 David O'Brien <obrien@FreeBSD.org>
3986 * config/alpha/elf.h: Protect the ASM_OUTPUT_IDENT definition with an
3989 2000-10-06 Richard Henderson <rth@cygnus.com>
3991 * function.c (diddle_return_value): Examine
3992 current_function_return_rtx instead of the DECL_RESULT.
3993 (expand_function_end): Handle reloading DECL_RESULT from memory
3994 into a hard register. Query promote_mode for sign of mismatched
3997 2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
3999 * haifa-sched.c (schedule_insns): Fix typo in freeing
4000 forward_dependency_cache.
4002 2000-10-06 Alexandre Oliva <aoliva@redhat.com>
4004 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): Add
4005 `TARGET_SH2' as a condition.
4007 2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
4009 * haifa-sched.c (anti_dependency_cache, output_dependency_cache,
4010 forward_dependency_cache): New variables.
4011 (add_dependence, remove_dependence): Use anti_dependency_cache and
4012 output_dependency_cache.
4013 (compute_block_forward_dependences): Use forward_dependency_cache.
4014 (schedule_insns): Allocate and free memory for anti/output/forward
4015 dependencies caches.
4017 2000-10-06 Alexandre Oliva <aoliva@redhat.com>
4019 * config/sh/sh.md (call, call_value): Use `TARGET_SH2' instead of
4020 `! TARGET_SH1'. Reindent.
4022 2000-10-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4024 * builtins.c (is_valid_printf_arglist, expand_builtin_printf):
4025 Move functions from here ...
4027 * c-common.c (is_valid_printf_arglist, c_expand_builtin_printf):
4029 (c_expand_builtin): New function.
4030 (init_function_format_info): Don't set `check_function_format_ptr'.
4031 (c_common_nodes_and_builtins): Set built_in_class type for
4032 printf/__builtin_printf to BUILT_IN_FRONTEND.
4033 (c_expand_expr): Handle CALL_EXPRs that are front-end builtins.
4035 * c-common.h (build_function_call): Declare.
4037 * expr.c (expand_expr): Pass builtins with class BUILT_IN_FRONTEND
4038 to `lang_expand_expr' rather than `expand_builtin'.
4040 * tree.c (check_function_format_ptr): Delete.
4042 * tree.h (check_function_format_ptr): Likewise.
4044 2000-10-06 Hans-Peter Nilsson <hp@bitrange.com>
4046 * dwarf2out.c (build_cfa_loc): Correct to use DW_OP_regx or
4047 DW_OP_bregx when cfa->reg > 31.
4049 * frame-dwarf2.c (decode_stack_op) [case DW_OP_regx]: Add missing
4052 2000-10-05 Richard Henderson <rth@cygnus.com>
4054 * c-decl.c (warn_missing_noreturn): Remove.
4055 (c_expand_body): Don't set or check can_reach_end.
4056 * c-tree.h (warn_missing_noreturn): Move ...
4057 * flags.h: ... here.
4058 (can_reach_end): Remove.
4059 * flow.c (check_function_return_warnings): New.
4060 (make_edges): No edge to exit for noreturn sibcalls.
4061 * function.c (expand_function_end): Save the return value
4062 clobber instruction.
4063 (mark_function_status): Mark it.
4064 * function.h (struct function): Add x_clobber_return_insn.
4065 * jump.c (can_reach_end): Remove.
4066 (calculate_can_reach_end): Remove.
4067 (jump_optimize_1): Don't call it.
4068 * output.h (check_function_return_warnings): Declare.
4069 * toplev.c (warn_missing_noreturn): Move from c-decl.c
4070 (rest_of_compilation): Call check_function_return_warnings.
4072 2000-10-05 Richard Henderson <rth@cygnus.com>
4074 * Makefile.in (NM_FOR_TARGET): New.
4075 (libgcc.mk): Pass SHLIB_MKMAP, SHLIB_MAPFILES.
4076 (libgcc.a, stmp-multilib): Pass NM_FOR_TARGET.
4077 * mklibgcc.in: If SHLIB_MKMAP, build libgcc.map. Depend the
4078 shared library build on that and EXTRA_MULTILIB_PARTS.
4079 * mkmap-flat.awk: New file.
4080 * mkmap-symver.awk: New file.
4081 * libgcc-std.ver: New file.
4082 * config/libgcc-glibc.ver: New file.
4083 * config/ia64/libgcc-ia64.ver: New file.
4084 * config/t-linux (SHLIB_MKMAP, SHLIB_MAPFILES): New.
4085 (SHLIB_LINK): Add --version-script.
4086 * config/ia64/t-ia64 (SHLIB_MAPFILES): Add libgcc-ia64.ver.
4087 * config/mips/t-iris6 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
4088 * config/sparc/t-sol2 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
4089 (SHLIB_LINK): Add -M.
4091 2000-10-05 Richard Henderson <rth@cygnus.com>
4093 * Makefile.in (LIB2FUNCS): Add _clz.
4094 * libgcc2.c (__ffsdi2): Use count_trailing_zeros.
4095 (__clz_tab): Put in its own unit, non-static.
4096 * libgcc2.h: Always include longlong.h.
4098 * longlong.h [alpha] (count_leading_zeros): Use cmpbge with
4099 a zero instead of -1.
4100 (count_trailing_zeros): Likewise.
4102 2000-10-05 Richard Henderson <rth@cygnus.com>
4104 * config/alpha/alpha.c (alpha_emit_setcc): Don't swap GT tests
4105 when second op1 is const0_rtx. Validate op0 as a register.
4106 * config/alpha/alpha.md (setcc_internal): Don't allow constants
4107 in the first argument of the compare.
4108 (setcc_swapped_internal): Likewise.
4109 (setne_internal): Likewise.
4111 2000-10-05 Geoff Keating <geoffk@cygnus.com>
4113 * tree.c (tree_size): New function split out of copy_node.
4114 (make_node): Remove obstack handling. Use tree_size.
4115 (copy_node): Use tree_size.
4116 * tree.h: Prototype tree_size.
4118 2000-10-05 Richard Henderson <rth@cygnus.com>
4120 * diagnostic.c (output_format): Add missing break.
4122 2000-10-05 Jim Wilson <wilson@cygnus.com>
4124 * function.c (fixup_var_refs_1, case SET): When gen_move_insn returns a
4125 SEQUENCE, call emit_insn_before, copy PATTERN and REG_NOTES of last
4126 sequence insn to INSN, and delete last sequence insn.
4128 2000-10-05 Phil Edwards <pme@gcc.gnu.org>
4130 * gcc.c (main): Include generated configargs.h header
4131 and use arguments in '-v' output.
4133 Thu Oct 5 16:16:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4135 * gcc.c: Move data on prefixes forward in file and reorganize.
4136 (md_exec_prefix, md_startfile_prefix, md_startfile_prefix_1):
4137 Always define, but make null if no value.
4138 (static_specs): Add "md_exec_prefix", "md_startfile_prefix",
4139 and "md_startfile_prefix_1".
4140 (main): Check whether md_exec_prefix and the others are the
4141 null string rather than whether the macro is defined.
4143 Thu Oct 5 19:04:18 2000 J"orn Rennecke <amylaar@redhat.co.uk>
4145 * (convert_move): Use zero_extendpsisi2 to do an unsigned extension
4146 from PSImode to SImode.
4148 2000-10-05 Jakub Jelinek <jakub@redhat.com>
4150 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETICS]: Fix conversion
4151 from float to integral mode with HOST_BITS_PER_WIDE_INT 64.
4152 * dwarf2out.c (add_const_value_attribute): Divide by 4, not
4155 Thu Oct 5 09:31:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4157 * fold-const.c (fold, case MINUS_EXPR, case EQ_EXPR): Perform
4158 negation in proper type.a
4160 2000-10-04 Richard Henderson <rth@cygnus.com>
4162 * configure.in (enable-shared): New.
4163 * Makefile.in (LIBGCC_DEPS): Depend on EXTRA_PARTS as well.
4164 (libgcc.mk): Pass SHLIB_LINK, SHLIB_LIBS, SHLIB_MULTILIB to mklibgcc.
4165 * mklibgcc.in: Use them to link shared a libgcc.
4166 * config/t-linux (SHLIB_LINK, SHLIB_LIBS): New.
4167 * config/alpha/t-ieee (SHLIB_MULTILIB): New.
4168 * config/mips/t-iris6 (SHLIB_LINK, SHLIB_LIBS): New.
4169 * config/sparc/t-sol2 (SHLIB_LINK, SHLIB_LIBS): New.
4171 * configure.in (alpha-osf*): Use t-osf and x-osf.
4172 * config/alpha/t-osf: New file.
4173 * config/alpha/t-osf4: New file.
4174 * config/alpha/x-osf: New file.
4175 * config/alpha/x-alpha: Remove file.
4177 2000-10-04 Will Cohen <wcohen@redhat.com>
4179 * c-typeck.c (process_init_element): Added warning for zero-length
4182 * extend.texi (Zero Length): State that static initializers for
4183 zero-length arrays are not allowed.
4185 Mon Oct 2 14:50:14 MET DST 2000 Jan Hubicka <jh@suse.cz>
4187 * rtlanal.c (single_set_1): Do not require USE and CLOBBERs
4190 2000-10-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4192 * config/float-c4x.h: New.
4193 * configure.in (c4x-*): Set float_format to c4x.
4194 * configure: Regenerate.
4196 2000-10-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4198 * configure.in (sparc-*-solaris2*): Disable 32-to-64 cross
4199 compilation for solaris versions 2.7 and greater.
4201 2000-10-02 Marc Espie <espie@openbsd.org>
4203 * config/alpha.h (WORD_SWITCH_TAKES_ARG): add -rpath to default,
4204 instead of redefining from scratch.
4206 2000-10-02 David O'Brien <obrien@dragon.nuxi.com>
4208 * config/i386/freebsd.h (NO_PROFILE_COUNTERS): Define.
4210 2000-10-01 Mark Mitchell <mark@codesourcery.com>
4212 * config/ns32k/genix.h: Remove.
4213 * config/ns32k/x-genix: Likewise.
4214 * config/ns32k/xm-genix.h: Likewise.
4215 * config/fx80: Remove all filee in directory.
4216 * config/pyr: Likewise.
4217 * config/tahoe: Likewise.
4218 * config/gmicro: Likewise.
4219 * config/spur: Likewise.
4220 * configure.in: Remove configury bits for above targets.
4221 * configure: Regenerated.
4223 * configure.in: Don't configure chill by default.
4224 * configure: Regenerated.
4226 * c-decl.c (c_expand_body): Don't generate RTL if flag_syntax_only.
4227 (lang_mark_false_label_stack): Remove.
4228 * c-lex.c (init_c_lex): Add file_info_tree as GC root. Allocate
4229 <top level> string in GC area.
4230 (mark_splay_tree_node): New function.
4231 (mark_splay_tree): Likewise.
4232 * except.c (mark_eh_status): Only call lang_mark_false_label_stack
4234 * ggc-callbacks.c (lang_mark_false_label_stack): Remove.
4235 * ggc-common.c (lang_mark_false_label_stack): Change type.
4236 * ggc.h (ggc_alloc_string): Add comment.
4237 (ggc_strdup): New function.
4239 Sat Sep 23 19:10:20 2000 Denis Chertykov <denisc@overta.ru>
4241 * config/avr/avr.h (BRANCH_COST): Define as 0.
4243 * config/pdp11/pdp11.c: #include "tree.h" added.
4245 2000-09-30 Marek Michalkiewicz <marekm@linux.org.pl>
4247 * config/avr/avr.c (ashlhi3_out, ashlsi3_out, ashrhi3_out,
4248 ashrsi3_out, lshrhi3_out, lshrsi3_out): Optimize more cases
4249 with known shift count.
4250 * config/avr/avr.md (ashlsi3, ashrsi3, lshrsi3):
4251 New alternative for shift count 2 with no scratch register.
4252 (ashlhi3, ashlsi3): Change "cc" attribute from "clobber" to
4253 "set_n" for shift counts 1 and 2.
4255 2000-09-30 Geoff Keating <geoffk@cygnus.com>
4257 * config/rs6000/rs6000.md (movsi_to_cr): Remove the USE. Calculate
4258 the mask value from the individual SET operations.
4259 (return_internal_si): Move the USE after the RETURN.
4260 (return_internal_di): Likewise.
4261 (return_and_restore_fpregs_si): Likewise.
4262 (return_and_restore_fpregs_di): Likewise.
4263 (return_eh_si): Likewise.
4264 (return_eh_di): Likewise.
4265 * config/rs6000/rs6000.c (mtcrf_operation): Don't look for,
4267 (rs6000_emit_prologue): Don't emit the USE for movsi_to_cr.
4268 Don't generate a PARALLEL around a single operation movsi_to_cr.
4269 Generate the RETURN first in any PARALLELs.
4271 * rtlanal.c (single_set_1): Use fatal_insn to display the
4272 invalid insn. Check for more cases when a USE or CLOBBER occurs
4274 * Makefile.in: Update dependencies for rtlanal.o.
4276 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
4278 * i386.c: Move include of "config.h" to before that of <setjmp.h>.
4280 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
4282 * c-tree.texi, contrib.texi, gcc.texi, install.texi, invoke.texi:
4283 Consistently use @email for formatting email addresses.
4285 2000-09-29 Richard Henderson <rth@cygnus.com>
4287 * cse.c (notreg_cost): New argument outer.
4288 (COST): Pass in SET to notreg_cost
4290 (fold_rtx): Use COST_IN. Prefer constants when costs
4293 2000-09-29 David Edelsohn <edelsohn@gnu.org>
4295 * fixinc/inclhack.def (broken_cabs): Generalize regex.
4296 * fixinc/fixincl.x: Regenerate.
4298 2000-09-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4300 * loop.c (check_final_value): A GIV is not replaceable if used
4303 Fri Sep 29 10:04:12 2000 Jeffrey A Law (law@cygnus.com)
4305 * version.c: Bump to gcc-2.97.
4307 Frs Sep 29 13:37:59 MET DST 2000 Jan Hubicka <jh@suse.cz>
4309 * final.c (final_scan_insn): Remove extra extract_insn call;
4310 Use caching for constrain_operands.
4311 (cleanup_subreg_operands): Use caching for extract_insn.
4312 * recog.c (constrain_operands_cached): New.
4313 * recog.h (constrain_operands_cached): Declare.
4314 * i386.c (ix86_attr_length_immediate_default,
4315 ix86_attr_length_address_default, ix86_agi_dependant): Cache
4318 * recog.c (asm_noperands): Tweak.
4319 (extract_insn): Do not call asm_noperads for non-asm instructions.
4321 Fri Sep 29 13:20:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
4323 * recog.c (recog_memoized): Rename to recog_memoized_1.
4324 * recog.h (recog_memoized): Rename to recog_memoized_1.
4325 (recog_memoized): New macro.
4326 * rtl.h (single_set): Rename to single_set_1
4327 (single_set): New macro.
4328 * rtlanal.c (single_set): Rename to single_set_1; expect clobbers
4331 * i386.md (strmovsi_1, strmovhi_1 strmovqi_1):
4332 Do not use match_dup of input operands at outputs.
4333 Use register_operand for memory expression.
4334 (rep_movsi): Put use last, canonicalize.
4335 Use register_operand for memory expression.
4336 (rep_movqi): Put use last.
4337 Use register_operand for memory expression.
4338 (strsetsi_1, strset_hi_1, strsetqi_1): Do not use match_dup
4339 of input operands at outputs. Use register_operand for memory
4341 (rep_stossi): Put use last; canonicalize; fix match_dup in
4342 the address expression
4343 (rep_stosqi): Likewise.
4344 (memcmp expander): Update calls.
4345 (cmpstrsi_nz_1, cmpstrsi_1, strlensi_1): Avoid match_dups in
4348 * i386.md (fp_jcc_3, fp_jcc_4, jp_fcc_5): if_then_else operand is
4350 (fp_jcc_4, fp_jcc_3): Refuse unordered comparisons.
4352 2000-09-28 David O'Brien <obrien@FreeBSD.org>
4354 * config/i386/freebsd-aout.h: New, FreeBSD a.out config file.
4355 Contains the old contents of config/i386/freebsd.h
4356 * config/i386/freebsd.h: Now the ELF rather than a.out config file.
4357 Contains the old contents of config/i386/freebsd-elf.h
4358 * config/i386/freebsd-elf.h: Retire this file -- contents moved to
4359 config/i386/freebsd.h.
4360 * configure.in: Adjust for above changes.
4361 * po/POTFILES.in: Likewise.
4362 * po/en_GB.po: Likewise.
4363 * po/gcc.pot: Likewise.
4364 * configure: Rebuilt.
4366 2000-09-28 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4368 * doloop.c (doloop_modify): Prevent delete_insn() from
4369 deleting too much. Prefer loop->top over loop->start as
4370 target for the new JUMP insn.
4371 (doloop_valid_p): Ignore loop with exit_count != 0.
4373 2000-09-28 Philipp Thomas <pthomas@suse.de>
4375 * invoke.texi (i386 Options): Add athlon to table of possible
4378 2000-09-28 Gabriel Dos Reis <gdr@codesourcery.com>
4380 * diagnostic.h (output_clear_message_text): New function.
4381 (output_message_text): New macro.
4383 * diagnostic.c (clear_text_info): Rename to
4384 output_clear_message_text.
4385 (output_clear): Adjust.
4386 (output_finish): Rename to output_finalize_message. Tweek.
4387 (output_to_stream): Adjust.
4389 2000-09-28 Neil Booth <neilb@earthling.net>
4391 * cpperror.c (_cpp_begin_message): Do the test for suppression
4392 of warnings and pedantic warnings before the "is a warning an
4394 * cppinit.c (cpp_handle_option): Remove surplus \n.
4395 * cpplex.c (ON_REST_ARG): Delete.
4396 (skip_block_comment): Initialise prevc.
4397 (parse_args): Improve error messages.
4398 (maybe_paste_with_next): Use CONTEXT_VARARGS rather
4400 * cpplib.c (cpp_push_buffer): Fix grammar in message.
4401 * cppmain.c (main): Set callbacks for #ident and #pragma
4402 only if no_output option is false.
4403 (do_pragma_implementation): Only call the #pragma handler
4404 if it is set in the cpp_reader structure.
4406 Wed Sep 27 14:00:07 2000 Donald Lindsay <dlindsay@cygnus.com>
4408 * integrate.c (copy_insn_list): if an ignored return value
4409 is being clobbered, skip cloning that into the inline copy.
4411 2000-09-27 Joseph S. Myers <jsm28@cam.ac.uk>
4413 * extend.texi, invoke.texi, gcc.texi, install.texi: Consistently
4414 use @uref for formatting URLs.
4416 2000-09-27 Mark Elbrecht <snowball3@bigfoot.com>
4418 * config/i386/djgpp.h (UNIQUE_SECTION): Constify the variables
4421 Tue 26-Sep-2000 18:25:38 BST Neil Booth <neilb@earthling.net>
4423 * gcc.c (cpp_options): Add spec for -ftabstop=.
4424 (invoke_as): New spec that handles invoking as.
4425 Update specs to handle -save-temps and -traditional.
4426 * ch/lang-specs.h, f/lang-specs.h, java/lang-specs.h:
4428 * cp/lang-specs.h, objc/lang-specs.h: Update to use
4429 invoke_as, and handle -save-temps and -traditional (if
4432 2000-09-26 Jakub Jelinek <jakub@redhat.com>
4434 * config/sparc/sparc.c (sparc_emit_set_const64): Don't abort when
4436 (function_arg_slotno): Accept TImode/CTImode.
4437 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): If IN_LIBGCC2 define
4440 2000-09-26 Michael Hayes <mhayes@cygnus.com>
4442 * flow.c (flow_loop_pre_header_scan): Punt if loop enters
4445 2000-09-25 Jim Wilson <wilson@cygnus.com>
4447 * config/ia64/ia64.h (INDEX_REG_CLASS): Define to GENERAL_REGS.
4448 (REGNO_OK_FOR_INDEX_P): Define to REGNO_OK_FOR_BASE_P.
4449 (LEGITIMATE_ADDRESS_DISP): Use LEGITIMATE_ADDRESS_REG.
4450 (REG_OK_FOR_INDEX): Define to REG_OK_FOR_BASE_P.
4452 Tue 26-Sep-2000 00:16:22 BST Neil Booth <neilb@earthling.net>
4454 * cpplex.c (parse_args): Don't set VOID_REST flag.
4455 (CONTEXT_VARARGS): New flag.
4456 (maybe_paste_with_next): Set context earlier in loop. Use
4457 it. Do varargs test with CONTEXT_VARARGS flag.
4458 (push_arg_context): Set CONTEXT_VARARGS flag if we're
4459 pushing an argument context for a varargs argument.
4460 * cpplib.h (VOID_REST): Delete.
4461 * gcc.dg/cpp/vararg1.c: Add test case.
4463 2000-09-25 Branko Cibej <branko.cibej@hermes.si>
4465 * flags.h: Declare warning flag warn_system_headers.
4466 * toplev.c: Define it.
4467 (W_options): Add option -Wsystem-headers.
4468 * diagnostic.c (count_error): Test warn_system_headers.
4469 * invoke.texi: Add description for -Wsystem-headers.
4470 * cpplib.h (cpp_options): New member warn_system_headers.
4471 * cpphash.h (CPP_PEDANTIC, CPP_WTRADITIONAL): Don't test
4472 CPP_IN_SYSTEM_HEADER.
4473 * cpplib.c (do_import, do_pragma_once): Likewise.
4474 * cpperror.c (_cpp_begin_message): Test warn_system_headers
4475 and CPP_IN_SYSTEM_HEADER.
4476 * cppinit.c (handle_option): Recognize -Wsystem_headers.
4477 (print_help): Describe -Wsystem_headers.
4478 * cpplex.c (lex_line): Reorganize condition so that warnings
4479 about C++ comments in system headers can be enabled. Remove
4480 label do_line_comment.
4482 Mon 25-Sep-2000 23:38:27 BST Neil Booth <neilb@earthling.net>
4484 * cpplex.c (save_comment): Only store the initial '/'
4486 (lex_token): Combine handling of the two comment types.
4487 Pass everything but the initial '/' to save_comment.
4489 Mon 25-Sep-2000 23:31:45 BST Neil Booth <neilb@earthling.net>
4491 * cpphash.h (_cpp_digraph_spellings, _cpp_process_directive,
4492 _cpp_can_paste): New library-internal prototypes.
4493 * cpplex.c (dump_param_spelling, output_line_command,
4494 output_token, cpp_scan_buffer, cpp_scan_buffer_nooutput,
4495 cpp_printf, cpp_output_list): Move to cppoutput.c.
4496 (process_directive, can_paste, digraph_spellings): Add _cpp_ prefix.
4497 * cppmacro.c (dump_macro_args, cpp_dump_definition) Move to
4499 * cppoutput.c (dump_macro_args, cpp_dump_definition, output_token,
4500 dump_param_spelling, output_line_command, cpp_scan_buffer,
4501 cpp_scan_buffer_nooutput, cpp_printf, cpp_output_list): Moved
4503 * Makefile.in: Add cppoutput.c.
4504 * po/POTFILES.in: Add cppoutput.c.
4506 2000-09-25 Richard Henderson <rth@cygnus.com>
4508 * config/ia64/ia64.c (ia64_print_operand): Define 'e' as 64-n.
4509 * config/ia64/ia64.md (rotrsi3): Allow variable rotates; don't
4510 split until after reload.
4511 (rotlsi3, rotldi3): New.
4513 2000-09-25 Gabriel Dos Reis <gdr@codesourcery.com>
4515 * diagnostic.c (output_last_position): Define.
4516 (set_real_maximum_length): Tweek.
4517 * diagnostic.h (output_last_position): Declare.
4519 2000-09-25 Kazu Hirata <kazu@hxi.com>
4521 * config/i386/i386.c: Fix formatting.
4523 2000-09-24 Alan Lehotsky <alehotsky@cygnus.com>
4525 * emit-rtl-c (gen_lowpart_common): Accept non-paradoxical SUBREG when
4526 UNITS_PER_WORD is small.
4528 2000-09-25 Joseph S. Myers <jsm28@cam.ac.uk>
4530 * c-common.c (format_char_info): Add flags2; update comments.
4531 (print_char_table, scan_char_table, time_char_table): Split some
4532 flags out into flags2.
4533 (check_format_info): Use flags2 for those flags, for identifying
4534 the initial character of a scanf scanset, and for identifying
4535 printf formats where the '0' flag is ignored with precision.
4537 2000-09-25 Hans-Peter Nilsson <hp@axis.com>
4539 Changes below marked "here" add TABs on either or both sides,
4540 covering start of line, up to any operand for all noted .*ASM.*_OP
4541 definitions. All callers changed.
4542 * tm.texi: Make documented *_ASM.*_OP:s include spacing
4543 (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, SHARED_SECTION_ASM_OP,
4544 BSS_SECTION_ASM_OP, SHARED_BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
4545 ASM_BYTE_OP, FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
4546 ASM_STABS_OP, ASM_STABD_OP, ASM_STABN_OP).
4547 Fix typos in description for LONG_LONG_TYPE_SIZE and
4548 FINI_SECTION_ASM_OP.
4549 * crtstuff.c (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Explain
4550 why these defaults don't have leading spacing.
4551 * dbxout.c (ASM_STABS_OP, ASM_STABN_OP): Here.
4552 * dwarf2out.c (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
4553 UNALIGNED_DOUBLE_INT_ASM_OP, SECTION_ASM_OP, ASM_BYTE_OP): Here.
4554 * dwarfout.c (FILE_ASM_OP, VERSION_ASM_OP,
4555 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP, ASM_BYTE_OP,
4556 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP): Here.
4557 * defaults.h (ASM_STABD_OP, EH_FRAME_SECTION_ASM_OP): Here.
4558 * varasm.c (ASM_STABS_OP): Here.
4559 * xcoffout.h (ASM_STABS_OP): Here.
4560 * config/elfos.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
4561 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
4562 INT_ASM_OP, ASCII_DATA_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP,
4563 STRING_ASM_OP): Here.
4564 * config/freebsd.h (IDENT_ASM_OP): Here.
4565 * config/linux-aout.h (SET_ASM_OP): Here.
4566 * config/linux.h (SET_ASM_OP): Here.
4567 * config/lynx.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
4569 * config/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
4570 * config/nextstep.h (EH_FRAME_SECTION_ASM_OP, ALIGN_ASM_OP): Here.
4571 * config/openbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
4572 * config/psos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
4574 * config/ptx4.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
4575 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
4576 INT_ASM_OP, ASCII_DATA_ASM_OP, CONST_SECTION_ASM_OP,
4577 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
4578 FINI_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP STRING_ASM_OP): Here.
4579 * config/svr3.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
4580 CONST_SECTION_ASM_OP, ASM_BYTE_OP): Here.
4581 * config/a29k/udi.h (INT_ASM_OP): Here.
4582 * config/alpha/alpha-interix.h (CONST_SECTION_ASM_OP,
4583 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
4585 * config/alpha/alpha.h (TEXT_SECTION_ASM_OP,
4586 READONLY_DATA_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4587 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
4588 UNALIGNED_DOUBLE_INT_ASM_OP, ASM_STABS_OP, ASM_STABN_OP,
4589 ASM_STABD_OP): Here.
4590 * config/alpha/elf.h (IDENT_ASM_OP, SKIP_ASM_OP, ALIGN_ASM_OP,
4591 COMMON_ASM_OP, INT_ASM_OP, ASCII_DATA_ASM_OP,
4592 CONST_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
4593 BSS_SECTION_ASM_OP, SBSS_SECTION_ASM_OP, SDATA_SECTION_ASM_OP,
4594 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP, TYPE_ASM_OP,
4595 SIZE_ASM_OP, STRING_ASM_OP): Here.
4596 * config/alpha/vms.h (LINK_SECTION_ASM_OP,
4597 READONLY_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP,
4598 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, COMMON_ASM_OP): Here.
4599 * config/arc/arc.h (ASM_BYTE_OP, SET_ASM_OP): Here.
4600 (PUSHSECTION_ASM_OP): Define this, not PUSHSECTION_FORMAT.
4601 * config/arm/aof.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP):
4603 * config/arm/aout.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4604 BSS_SECTION_ASM_OP, SET_ASM_OP): Here.
4605 * config/arm/coff.h (INT_ASM_OP): Here.
4606 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Here.
4607 * config/arm/elf.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP): Here.
4608 * config/arm/linux-elf.h (IDENT_ASM_OP, CONST_SECTION_ASM_OP,
4609 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Here.
4610 * config/arm/unknown-elf.h (UNALIGNED_WORD_ASM_OP): Here.
4611 * config/avr/avr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4612 ASM_BYTE_OP, TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP,
4613 STRING_ASM_OP): Here. Update documentation copy in comments.
4614 * config/c4x/c4x.h (ASM_STABS_OP, BSS_SECTION_ASM_OP): Here.
4615 * config/clipper/clipper.h (TEXT_SECTION_ASM_OP,
4616 DATA_SECTION_ASM_OP): Here.
4617 * config/clipper/clix.h (BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP):
4619 * config/convex/convex.h (TEXT_SECTION_ASM_OP,
4620 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
4621 * config/d30v/d30v.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4622 BSS_SECTION_ASM_OP): Here.
4623 * config/fr30/fr30.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4624 BSS_SECTION_ASM_OP): Here.
4625 * config/fx80/fx80.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
4627 * config/gmicro/gmicro.h (TEXT_SECTION_ASM_OP,
4628 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
4629 * config/h8300/h8300.h (ASM_WORD_OP): Here.
4630 * config/i370/i370.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4631 BSS_SECTION_ASM_OP): Here.
4632 * config/i386/aix386.h (INIT_SECTION_ASM_OP): Here.
4633 * config/i386/bsd.h (ASM_BYTE_OP): Here.
4634 * config/i386/cygwin.h (SET_ASM_OP, INT_ASM_OP): Here.
4635 * config/i386/dgux.h (CONST_SECTION_ASM_OP): Here.
4636 * config/i386/djgpp.h (IDENT_ASM_OP, INT_ASM_OP, SET_ASM_OP):
4638 * config/i386/freebsd-elf.h (SET_ASM_OP): Here.
4639 * config/i386/freebsd.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP):
4641 * config/i386/i386-coff.h (CTORS_SECTION_ASM_OP,
4642 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
4643 * config/i386/i386-interix.h (STRING_ASM_OP, CONST_SECTION_ASM_OP,
4644 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
4646 * config/i386/i386elf.h (BSS_SECTION_ASM_OP): Here.
4647 * config/i386/netbsd.h (INT_ASM_OP): Here.
4648 * config/i386/openbsd.h (INT_ASM_OP): Here.
4649 * config/i386/osfrose.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP,
4650 IDENT_ASM_OP): Here.
4651 * config/i386/sco5.h (ALIGN_ASM_OP, ASCII_DATA_ASM_OP,
4652 ASM_BYTE_OP, IDENT_ASM_OP, COMMON_ASM_OP, SET_ASM_OP,
4653 LOCAL_ASM_OP, INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, STRING_ASM_OP,
4654 SKIP_ASM_OP, GLOBAL_ASM_OP): Here.
4655 * config/i386/seq-sysv3.h (SHARED_SECTION_ASM_OP,
4656 SHARED_BSS_SECTION_ASM_OP): Here.
4657 * config/i386/sequent.h (SHARED_SECTION_ASM_OP): Here.
4658 * config/i386/sun386.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
4659 DATA_SECTION_ASM_OP): Here.
4660 * config/i386/svr3gas.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
4661 CONST_SECTION_ASM_OP): Here.
4662 * config/i386/sysv3.h (INIT_SECTION_ASM_OP): Here.
4663 * config/i386/unix.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4664 BSS_SECTION_ASM_OP): Here.
4665 * config/i860/bsd-gas.h (ASCII_DATA_ASM_OP): Here.
4666 * config/i860/bsd.h (ASCII_DATA_ASM_OP): Here.
4667 * config/i860/fx2800.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP,
4668 BSS_ASM_OP): Here, but use trailing spaces.
4669 * config/i860/i860.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
4670 DATA_SECTION_ASM_OP): Here.
4671 * config/i860/paragon.h (ASCII_DATA_ASM_OP, BSS_SECTION_ASM_OP):
4673 * config/i860/sysv3.h (ASCII_DATA_ASM_OP, CTORS_SECTION_ASM_OP,
4674 DTORS_SECTION_ASM_OP, TDESC_SECTION_ASM_OP): Here.
4675 * config/i860/sysv4.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
4676 TDESC_SECTION_ASM_OP): Here.
4677 * config/i960/i960-coff.h (CTORS_SECTION_ASM_OP,
4678 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
4679 * config/i960/i960.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
4681 * config/ia64/ia64.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4682 BSS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
4683 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
4684 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
4685 * config/ia64/sysv4.h (ASM_BYTE_OP, STRING_ASM_OP, SKIP_ASM_OP,
4686 COMMON_ASM_OP, ASCII_DATA_ASM_OP, INIT_SECTION_ASM_OP,
4687 FINI_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
4688 SDATA_SECTION_ASM_OP, SBSS_SECTION_ASM_OP): Here.
4689 * config/m32r/m32r.h (SCOMMON_ASM_OP): Here.
4690 * config/m68hc11/m68hc11.h (GLOBAL_ASM_OP): Here.
4691 * config/m68k/auxas.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
4692 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
4694 * config/m68k/coff.h (BSS_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
4695 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
4696 * config/m68k/crds.h (BSS_SECTION_ASM_OP): Here.
4697 * config/m68k/dpx2.h (ASM_BYTE_OP, GLOBAL_ASM_OP): Here.
4698 * config/m68k/hp320.h (ASCII_DATA_ASM_OP, GLOBAL_ASM_OP): Here.
4699 * config/m68k/linux.h (BSS_SECTION_ASM_OP): Here.
4700 * config/m68k/lynx.h (BSS_SECTION_ASM_OP): Here.
4701 * config/m68k/m68k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4702 GLOBAL_ASM_OP): Here.
4703 * config/m68k/m68kelf.h (SWBEG_ASM_OP, BSS_ASM_OP,
4704 BSS_SECTION_ASM_OP): Here.
4705 * config/m68k/m68kv4.h (BSS_ASM_OP): Here.
4706 * config/m68k/mot3300.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4707 ASCII_DATA_ASM_OP, SET_ASM_OP, CTORS_SECTION_ASM_OP,
4708 DTORS_SECTION_ASM_OP, GLOBAL_ASM_OP, ASM_BYTE_OP, ALIGN_ASM_OP,
4710 * config/m68k/newsgas.h (SET_ASM_OP): Here.
4711 * config/m68k/rtemself.h (INIT_SECTION_ASM_OP,
4712 FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
4713 * config/m68k/sgs.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
4714 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
4715 SET_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here,
4716 but use trailing spaces.
4717 * config/m68k/tower-as.h (TEXT_SECTION_ASM_OP,
4718 DATA_SECTION_ASM_OP, GLOBAL_ASM_OP, INIT_SECTION_ASM_OP,
4719 FINI_SECTION_ASM_OP, CONST_SECTION_ASM_OP, BSS_SECTION_ASM_OP):
4721 * config/m88k/dgux.h (FINI_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
4722 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
4723 * config/m88k/m88k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4724 CONST_SECTION_ASM_OP, TDESC_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
4725 DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
4726 IDENT_ASM_OP, FILE_ASM_OP, SECTION_ASM_OP, SET_ASM_OP,
4727 GLOBAL_ASM_OP, ALIGN_ASM_OP, SKIP_ASM_OP, COMMON_ASM_OP,
4728 BSS_ASM_OP, FLOAT_ASM_OP, DOUBLE_ASM_OP, INT_ASM_OP, SHORT_ASM_OP,
4729 CHAR_ASM_OP, ASCII_DATA_ASM_OP, SBSS_ASM_OP, SCOMM_ASM_OP,
4730 SDATA_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, INTERNAL_ASM_OP,
4731 VERSION_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
4732 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP, REQUIRES_88110_ASM_OP,
4734 * config/m88k/openbsd.h (SET_ASM_OP): Here.
4735 * config/m88k/sysv4.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
4736 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
4737 * config/mcore/mcore-elf.h (UNALIGNED_INT_ASM_OP,
4738 UNALIGNED_SHORT_ASM_OP, CTORS_SECTION_ASM_OP,
4739 DTORS_SECTION_ASM_OP): Here.
4740 * config/mcore/mcore-pe.h (CTORS_SECTION_ASM_OP,
4741 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
4742 * config/mips/elf.h (TYPE_ASM_OP, SIZE_ASM_OP,
4743 BSS_SECTION_ASM_OP): Here.
4744 * config/mips/elf64.h (TYPE_ASM_OP, SIZE_ASM_OP): Here.
4745 * config/mips/iris5.h (ABICALLS_ASM_OP): Here.
4746 * config/mips/iris6.h (TYPE_ASM_OP, SIZE_ASM_OP,
4747 POPSECTION_ASM_OP, BSS_SECTION_ASM_OP, CONST_SECTION_ASM_OP_32,
4748 CONST_SECTION_ASM_OP_64, CTORS_SECTION_ASM_OP,
4749 DTORS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
4750 * config/mips/mips.c (ABICALLS_ASM_OP): Here.
4751 * config/mips/mips.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP):
4753 * config/mips/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP):
4755 * config/mips/osfrose.h (SET_ASM_OP): Here.
4756 * config/mips/sni-svr4.h (ABICALLS_ASM_OP): Here.
4757 * config/ns32k/encore.h (SHARED_SECTION_ASM_OP): Here.
4758 * config/ns32k/merlin.h (SHARED_SECTION_ASM_OP): Here.
4759 * config/ns32k/ns32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
4761 * config/ns32k/sequent.h (SHARED_SECTION_ASM_OP): Here.
4762 * config/ns32k/tek6000.h (SHARED_SECTION_ASM_OP): Here.
4763 * config/pa/pa-64.h (INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP): Here.
4764 * config/pa/pa.h (ASM_STABS_OP, ASM_STABN_OP): Here.
4765 * config/pj/pj.h (SET_ASM_OP, BSS_SECTION_ASM_OP): Here.
4766 * config/pyr/pyr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
4768 * config/romp/romp.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
4770 * config/rs6000/rs6000.h (SET_ASM_OP): Here.
4771 * config/rs6000/sol2.h (ASM_STABN_OP): Here.
4772 * config/rs6000/sysv4.h (SKIP_ASM_OP, LOCAL_ASM_OP, LCOMM_ASM_OP):
4774 * config/sh/sh.h (SET_ASM_OP, BSS_SECTION_ASM_OP,
4775 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here.
4776 * config/sparc/linux.h (COMMON_ASM_OP): Here.
4777 * config/sparc/linux64.h (COMMON_ASM_OP,
4778 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
4779 * config/sparc/litecoff.h (BSS_SECTION_ASM_OP,
4780 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
4781 * config/sparc/lynx.h (BSS_SECTION_ASM_OP): Here.
4782 * config/sparc/pbd.h (ASM_INT_OP): Here.
4783 * config/sparc/sp64-elf.h (UNALIGNED_LONGLONG_ASM_OP): Here.
4784 * config/sparc/sparc.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
4785 DATA_SECTION_ASM_OP, IDENT_ASM_OP): Here.
4786 * config/sparc/sun4gas.h (UNALIGNED_DOUBLE_INT_ASM_OP,
4787 UNALIGNED_INT_ASM_OP, UNALIGNED_SHORT_ASM_OP): Here.
4788 * config/sparc/sysv4.h (STRING_ASM_OP, COMMON_ASM_OP, SKIP_ASM_OP,
4789 UNALIGNED_DOUBLE_INT_ASM_OP, UNALIGNED_INT_ASM_OP,
4790 UNALIGNED_SHORT_ASM_OP, PUSHSECTION_ASM_OP, POPSECTION_ASM_OP,
4791 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP,
4792 CONST_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
4793 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
4794 EH_FRAME_SECTION_ASM_OP): Here.
4795 * config/sparc/vxsim.h (COMMON_ASM_OP): Here.
4796 * config/spur/spur.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
4798 * config/tahoe/tahoe.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
4800 * config/v850/v850.h (SCOMMON_ASM_OP, ZCOMMON_ASM_OP,
4801 TCOMMON_ASM_OP): Here.
4802 * config/vax/vax.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
4804 * config/we32k/we32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
4807 2000-09-25 Richard Henderson <rth@cygnus.com>
4809 * expmed.c (store_bit_field): Adjust last change to not consider
4810 any word-sized field naturally aligned.
4812 2000-09-24 Richard Henderson <rth@cygnus.com>
4814 * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
4815 TFmode unordered compares properly. Revalidate integer compare
4817 (alpha_emit_setcc): New.
4818 (alpha_emit_conditional_move): Revalidate integer compare operands.
4819 * config/alpha/alpha-protos.h: Update.
4820 * config/alpha/alpha.md (cmpdi): Allow general operands.
4821 (sne): Use alpha_emit_setcc.
4822 (seq, slt, sle, sgt, sge, sltu, sleu, sgtu, sgeu): Likewise.
4823 (sunordered, sordered): New.
4825 2000-09-24 Richard Henderson <rth@cygnus.com>
4827 * config/ia64/ia64-protos.h: Update.
4828 * config/ia64/ia64.c (call_multiple_values_operation): Remove.
4829 (ia64_expand_call): New.
4830 (ia64_expand_prologue): Emit an alloc if we need extra input
4832 (ia64_expand_epilogue): New arg sibcall_p; don't emit the return
4833 instruction if true.
4834 (struct reg_flags): Add is_sibcall.
4835 (rtx_needs_barrier): A sibcall does not use CFM et al. Ignore USEs.
4836 (emit_insn_group_barriers): Set flags.is_sibcall. Remove hacks
4837 for CODE_FOR_gr_spill_internal/CODE_FOR_gr_restore_internal.
4838 * config/ia64/ia64.h (PREDICATE_CODES): Update.
4839 * config/ia64/ia64.md (call): Use ia64_expand_call.
4840 (call_value): Likewise.
4841 (sibcall, sibcall_value): New.
4842 (call patterns): Remove extra expanders; tidy.
4843 (sibcall_epilogue): New.
4844 (set_bsp): Remove the extra USE. Put the operand inside the UNSPEC.
4846 2000-09-24 Richard Henderson <rth@cygnus.com>
4848 * emit-rtl.c (gen_lowpart_common): Use trunc_int_for_mode.
4850 * sibcall.c (skip_pic_restore): New.
4851 (identify_call_return_value): Use it.
4853 2000-09-24 Mark Mitchell <mark@codesourcery.com>
4855 * c-tree.texi: Moved here from cp/ir.texi. Documented nested
4856 functions. Generalize to handle both C and C++.
4857 * Makefile.in (c-tree.info): New target.
4858 (info): Add c-tree.info.
4860 Sun Sep 24 09:15:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4862 * expr.c (store_field): If BITSIZE is negative, use size of type.
4863 (expand_expr, case COMPONENT_EXPR): Likewise.
4865 Sun 24-Sep-2000 11:40:23 BST Neil Booth <NeilB@earthling.net>
4867 * cpplex.c: Update TODO comment.
4868 * cpplib.c (do_error, do_warning): Merge common code of
4869 do_error and do_warning into do_diagnostic. Use it.
4870 (do_diagnostic): New function.
4871 * cpplib.h: Fix comment typo.
4873 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
4875 * c-common.c (check_format_info): Warn for a wide character string
4876 used as a non-wide format argument.
4878 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
4880 * builtins.def (BUILT_IN_LLABS): Add.
4881 * builtins.c (expand_builtin): Also abort on BUILT_IN_LLABS.
4882 * c-common.c (c_common_nodes_builtins): Create builtin functions
4883 __builtin_llabs, and plain llabs unless no_nonansi_builtins
4884 outside of C99 mode.
4885 (expand_tree_builtin): Handle BUILT_IN_LLABS.
4887 Sat 23-Sep-2000 22:39:18 BST Neil Booth <NeilB@earthling.net>
4889 * cpphash.h (CPP_RESERVE, CPP_PUTS_Q, CPP_PUTS, CPP_PUTC_Q,
4890 CPP_PUTC, DUMMY_TOKEN, NO_DUMMY_TOKEN): Delete.
4891 * cpplex.c (_cpp_expand_token_space, _cpp_init_toklist,
4892 _cpp_free_toklist): No need to worry about extra dummy token
4893 at the start of token lists any more.
4894 (trigraph_ok): Only warn outside comments.
4895 (skip_block_comment): Set and clear lexing_comment.
4896 (skip_line_comment): Take a cpp_reader not cpp_buffer.
4897 Set and clear lexing_comment.
4898 (parse_number): Handle leading '.' indicated by pfile->seen_dot.
4899 (check_long_token): Delete.
4900 (lex_percent, lex_dot): New subroutines of lex_token to
4901 handle lexing of '.' and '%' without lookback.
4902 (lex_token): Use lex_dot and lex_percent.
4903 (lex_line): Don't check for LIST_OFFSET.
4904 (_cpp_init_input_buffer): Update for new _cpp_init_toklist.
4905 * cpplib.c (_cpp_parse_assertion): Similarly.
4906 (cpp_push_buffer): Initialize extra_char.
4907 * cpplib.h (LIST_OFFSET): Delete.
4908 (struct cpp_buffer): New member extra_char.
4909 (struct lexer_state): New members lexing_comment and seen_dot.
4911 2000-09-23 Jason Merrill <jason@redhat.com>
4913 * config/rs6000/x-aix41 (CLIB): Define here.
4914 * config/rs6000/t-aix43: Not here.
4915 * config/rs6000/t-aix41: Or here. Remove.
4916 * configure.in: Don't use it.
4918 2000-09-22 Jason Merrill <jason@redhat.com>
4920 * configure.in: Add test for HAVE_LD_DWARF_LINKONCE.
4921 * toplev.c: Use it to initialize flag_eliminate_dwarf2dups.
4922 * config.in: Regenerate.
4924 * configure.in: Fix checks for assembler features when using a
4925 one-tree assembler that has not yet been built.
4926 Fix --disable-threads.
4928 2000-09-19 Geoff Keating <geoffk@cygnus.com>
4930 * stmt.c (expand_asm_operands): Allow # in constraints.
4932 2000-09-22 Jason Merrill <jason@redhat.com>
4934 * c-lex.c (skip_white_space): Just treat CRs as horizontal whitespace.
4936 * dbxout.c (dbxout_symbol_name): Just use DECL_NAME for
4937 function-local names.
4939 2000-09-22 Brad Lucier <lucier@math.purdue.edu>
4940 Mark Mitchell <mark@codesourcery.com>
4942 * toplev.c (warn_disabled_optimization): Declare new warning flag.
4943 * flags.h (warn_disabled_optimization): Add it here.
4944 * gcse.c (gcse_main): Add warning when disabled.
4945 * invoke.texi: Document -Wdisabled-optimization.
4947 2000-09-21 Jason Merrill <jason@redhat.com>
4949 * dwarf2out.c (add_const_value_attribute): Multiply by length, not 4.
4951 * dwarf2out.c (tree_add_const_value_attribute): New fn.
4952 (gen_variable_die): Call it for non-definitions.
4954 * dwarf2out.c (die_struct): Add die_mark field.
4955 (mark_dies, unmark_dies): New fns.
4956 (clear_die_sizes): Remove.
4957 (print_die): Check die_symbol rather than die_offset.
4958 (build_abbrev_table, output_pubnames, output_aranges): Check
4959 die_mark rather than die_offset.
4960 (output_comp_unit): Move calc_die_sizes after build_abbrev_table.
4963 Thu 21-Sep-2000 18:19:05 BST Neil Booth <NeilB@earthling.net>
4965 * cppfiles.c (lookup_include_file): Rename to open_file.
4966 Always create a splay tree value, even on syscall failures.
4967 Negative entries indicated by fd == -2.
4968 Re-open files closed in the meantime.
4969 (_cpp_fake_include): Create a negative splay tree entry.
4970 (find_include_file, cpp_read_file): Update for function name
4972 * gcc.gd/cpp/mi4.c: Testcase.
4974 2000-09-21 Nick Clifton <nickc@redhat.com>
4976 * config/arm/t-arm-elf (MULTILIB_DIRNAMES): Enable multilibs for
4977 ARM and THUMB modes.
4979 * config/mcore/mcore.c: Fix compile time warnings.
4980 * config/mcore/mcore-protos.h: Fix compile time warnings.
4982 2000-09-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
4984 * configure.in: Correct test of gcc_cv_glibc.
4985 * configure: Rebuilt.
4986 * config.in: Rebuilt.
4988 2000-09-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4990 * builtins.c (expand_builtin_fputs): Also expand when length!=1.
4991 (expand_builtin): Handle BUILT_IN_FWRITE.
4993 * builtins.def (BUILT_IN_FWRITE): New entry.
4995 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_fwrite.
4997 Wed Sep 20 15:39:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4999 * gcc.c (modify_target): New variable and struct.
5000 (process_command): Handle MODIFY_TARGET_NAME.
5001 * tm.texi (MODIFY_TARGET_NAME): Add documentation for new macro.
5002 * config/pa/pa.h (MODIFY_TARGET_NAME): New macro.
5004 * c-decl.c (finish_decl): Add else's to avoid referencing
5005 TYPE_DOMAIN of an ERROR_MARK.
5007 Wed Sep 20 21:44:31 2000 Denis Chertykov <denisc@overta.ru>
5009 * config/avr/avr.c (adjust_insn_length): Adjust lengths of
5012 2000-09-19 Marek Michalkiewicz <marekm@linux.org.pl>
5014 * config/avr/avr.md (neghi2): Add alternative for input and output
5015 operands in different registers, as in negsi2.
5016 (*negsi2): Remove '*' from the name. Use "movw" if available.
5018 2000-09-19 Jim Wilson <wilson@cygnus.com>
5020 * config/ia64/crtbegin.asm (__dso_handle): Delete use of
5021 HAVE_GAS_HIDDEN macro.
5023 Tue 19-Sep-2000 22:38:57 BST Neil Booth <NeilB@earthling.net>
5025 * cpplex.c (lex_line): Drop the EOF token for unknown
5026 directives in assembler.
5028 2000-09-19 David Edelsohn <edelsohn@gnu.org>
5030 * configure.in: Allow enable_threads_flag value of "aix". Define
5031 thread_file as "aix" for AIX 4.3 and above.
5032 * configure: Regenerated.
5034 * gthr-aix.h: New file.
5036 * rs6000/t-aix43: Replace soft-float multilib with pthread.
5037 Remove 403 processor multilib match. Fix rios2 processor multilib
5040 * rs6000/aix.h (ASM_DECLARE_FUNCTION_NAME): Use function_section
5041 to return to appropriate csect.
5043 2000-09-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5045 * builtins.c (is_valid_printf_arglist, expand_builtin_printf): New
5047 (expand_builtin_fputs): Set `target' parameter for `expand_expr'.
5048 (expand_builtin): Handle BUILT_IN_PUTCHAR, BUILT_IN_PUTS and
5051 * builtins.def (BUILT_IN_PUTCHAR, BUILT_IN_PUTS, BUILT_IN_PRINTF):
5054 * c-common.c (init_function_format_info): Handle __builtin_printf.
5055 Set `check_function_format_ptr'.
5056 (c_common_nodes_and_builtins): Set `puts_ftype' and
5057 `printf_ftype'. Declare __builtin_putchar, __builtin_puts,
5058 __builtin_printf and printf.
5060 * tree.c, tree.h (check_function_format_ptr): Declare.
5062 Tue 19-Sep-2000 18:26:57 BST Neil Booth <NeilB@earthling.net>
5064 * cppfiles.c (read_include_file): Take no special action for
5067 2000-09-19 Bernd Schmidt <bernds@redhat.co.uk>
5069 * final.c (insn_current_reference_address): Use INSN_SHUID of seq
5070 rather than that of branch.
5071 (shorten_branches): Don't increment insn_current_address twice.
5073 Undo most of the Wed Jan 27 23:39:53 1999 patch:
5074 * loop.h (struct induction): Delete members derived, ix and last_use.
5075 (struct loop_ivs): Delete members first_increment_giv and
5077 * loop.c (verify_dominator, find_life_end, cmp_recombine_givs_stats,
5078 recombine_givs): Delete functions.
5079 (find_and_verify_loops): Don't initialize cont_dominator.
5080 (strength_reduce): Lose code to try to find bivs that can be
5081 expressed as givs of another biv, and to convert biv increments
5083 Lose loop_scan_start variable, always use loop->scan_start.
5084 Don't call recombine_givs. Don't handle derived givs.
5085 (record_giv): Don't initialize derived and last_use fields.
5086 (biv_eliminiation_giv_has_0_offset): Lose code to handle derived
5088 * unroll.c (derived_regs): Delete static variable.
5089 (unroll_loop): Don't initialize it.
5090 (copy_loop_body): Lose code to handle derived givs.
5091 (find_splittable_givs): Don't check for givs made from biv
5093 Don't set derived_regs.
5095 Fix misapplied earlier patch:
5096 * config/sh/sh.md (floatsisf_ie): Reenable. Remove explicit reference
5098 (floatsisf2): Generate floatsisf_ie by default.
5099 (floatsisf_i4): Conditional on TARGET_SH4.
5101 (floatsisf2, floatsidf2, extendsfdf2): Also use reg_no_subreg_operand
5102 predicate for the expanders.
5104 2000-09-19 Richard Henderson <rth@cygnus.com>
5106 * config/i386/i386.h (CPP_CPU_SPEC): Define i586 and i686 symbols
5107 in addition to pentium and pentiumpro symbols.
5108 (CPP_CPU_DEFAULT_SPEC): Likewise.
5110 * c-typeck.c (c_expand_asm_operands): Restore the output tree
5113 * stmt.c (expand_expr_stmt): Only call warn_if_unused_value
5114 if the tree has side effects.
5115 (warn_if_unused_value): Do not warn about void constructs.
5117 * c-decl.c (poplevel): Invoke warn_about_unused_variables.
5119 * unroll.c (copy_loop_body): Update LABEL_NUSES before
5120 calling invert_jump.
5122 2000-09-18 Geoff Keating <geoffk@cygnus.com>
5124 * combine.c (can_combine_p): Don't substitute an ASM_OPERANDS
5127 2000-09-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5129 * Makefile.in (c-common.o): Depend on diagnostic.h.
5131 * c-common.c: Include diagnostic.h.
5133 (status_warning): New function.
5134 (check_format_info, maybe_read_dollar_number, check_format_types,
5135 finish_dollar_format_checking, check_function_format): Accept a
5136 `status' parameter. All callers changed.
5138 * c-common.h (check_function_format): Accept a `status' parameter.
5140 * c-typeck.c: Update call to `check_function_format'.
5142 2000-09-18 Richard Henderson <rth@cygnus.com>
5144 * c-decl.c (c_expand_body): Call mark_varargs before
5145 expand_function_start.
5147 2000-09-18 Geoff Keating <geoffk@cygnus.com>
5149 * config/rs6000/eabi-cn.asm: Use /**/ to delimit comments, not #.
5150 * config/rs6000/eabi-ci.asm: Likewise.
5152 2000-09-18 Richard Henderson <rth@cygnus.com>
5154 * emit-rtl.c (init_emit_once): Initialize const_tiny_rtx
5157 2000-09-18 Jim Wilson <wilson@cygnus.com>
5159 * unroll.c (loop_iterations): Pass increment to extend_for_giv_value
5160 before passing it to fold_rtx_mult_add.
5162 * unroll.c (final_giv_value): Pass increment through
5163 extend_value_for_giv before passing it to emit_iv_add_mult.
5165 * function.c (fixup_var_refs_1, case ZERO_EXTRACT): If we have a
5166 paradoxical subreg, then directly substitute the replacement and
5169 Mon 18-Sep-2000 22:12:44 BST Neil Booth <NeilB@earthling.net>
5171 * cpp.texi: Update documentation, including some clarifications,
5172 the treatment of various newline combinations, and space between
5173 backslash and newline.
5175 Mon Sep 18 21:00:47 2000 J"orn Rennecke <amylaar@redhat.co.uk>
5177 * sdbout.c (PUT_SDB_DEF, PUT_SDB_TAG, PUT_SDB_EPILOGUE_END):
5178 Replace ASM_OUTPUT_LABELREF with assemble_name.
5180 Mon Sep 18 20:26:50 2000 J"orn Rennecke <amylaar@redhat.co.uk>
5182 * sh.c (addsubcosts): CONST is not cheap.
5183 (find_barrier): For Sh1, take alignment after jumps into account.
5185 2000-09-15 Andrew Haley <aph@redhat.com>
5187 * toplev.c (rest_of_compilation): Call purge_hard_subreg_sets to
5188 remove all SETs of SUBREGs of hard registers.
5189 * function.c (purge_hard_subreg_sets): New function.
5190 (purge_single_hard_subreg_set): New function.
5191 * rtl.h: (purge_hard_subreg_sets): New function.
5193 2000-09-18 Richard Henderson <rth@cygnus.com>
5195 * config/ia64/ia64-protos.h: Update.
5196 * config/ia64/ia64.c (signed_inequality_operator): New.
5197 (ia64_expand_compare): New.
5198 (ia64_register_move_cost): Handle PR_REGS moves.
5199 (ia64_secondary_reload_class): Require a GR when moving to a PR.
5200 (struct reg_write_state): Add written_by_and/or.
5201 (struct reg_flags): Add is_and/or.
5202 (rws_update): Set them.
5203 (rws_access_regno): Test them to allow parallel comparisons.
5204 (rtx_needs_barrier): Recognize parallel comparisons.
5205 (emit_insn_group_barriers): Set prev_insn after a call stop bit.
5206 Call recog_memoized; ignore pred_rel_mutex.
5207 (emit_predicate_relation_info): Don't call find_basic_blocks here.
5208 (ia64_reorg): Do it here instead.
5209 * config/ia64/ia64.h: s/CCmode/BImode/g
5210 (MODES_TIEABLE_P): Don't tie BImode.
5211 (PREFERRED_RELOAD_CLASS): Do not reload operations into AR regs.
5212 (CONST_COSTS): Pick sensible values for CONST_INT based on context.
5213 (RTX_COSTS): Make multiply 4 insns.
5214 (MEMORY_MOVE_COST): New.
5215 (PREDICATE_CODES): Update.
5216 * config/ia64/ia64.md: s/CCmode/BImode/g
5217 (movcci, movbi): New.
5218 (andbi3, andcmbi3, iorbi3, iorcmbi3, one_cmplbi2): New.
5219 (cmpsi_and_0, cmpsi_and_1, cmpsi_andnot_0, cmpsi_andnot_1): New.
5220 (cmpdi_and_0, cmpdi_and_1, cmpdi_andnot_0, cmpdi_andnot_1): New.
5221 (tbit_and_0, tbit_and_1, tbit_and_2, tbit_and_3): New.
5222 (cmpsi_or_0, cmpsi_or_1, cmpsi_orcm_0, cmpsi_orcm_1): New.
5223 (cmpdi_or_0, cmpdi_or_1, cmpdi_orcm_0, cmpdi_orcm_1): New.
5224 (tbit_or_0, tbit_or_1, tbit_or_2, tbit_or_3): New.
5225 (mulsi, muldi): Use xmpy not xma.
5227 (movcc, movcc_internal): Remove.
5228 (branch expanders): Use ia64_expand_compare.
5229 (setcc expanders): Likewise.
5230 (cmov insns): Use move_operand and ia64_move_ok.
5231 (pred_rel_mutex): Use unspec not unspec_volatile. Prevent the
5232 scheduler from moving it past a use.
5233 * config/ia64/build.hacks: Remove.
5235 Mon 18-Sep-2000 19:21:35 BST Neil Booth <NeilB@earthling.net>
5237 * cpphash.h (HASHSTEP): Take character rather than pointer
5239 (_cpp_check_directive, _cpp_check_linemarker): Update prototypes.
5241 * cpphash.c (cpp_loookup): Update for new HASHSTEP.
5243 * cpplex.c (auto_expand_name_space, trigraph_replace,
5244 backslash_start, handle_newline, parse_name, INIT_TOKEN_STR,
5245 IMMED_TOKEN, PREV_TOKEN_TYPE, PUSH_TOKEN, REVISE_TOKEN,
5246 BACKUP_TOKEN, BACKUP_TRIGRAPH, MIGHT_BE_DIRECTIVE,
5247 KNOWN_DIRECTIVE): Delete.
5249 (handle_newline, check_long_token, skip_escaped_newlines,
5250 unterminated): New functions.
5251 (ACCEPT_CHAR, SAVE_STATE, RESTORE_STATE): New macros.
5253 (parse_identifier): Was parse_name, new implementation.
5254 (skip_line_comment, skip_block_comment, skip_whitespace,
5255 parse_number, parse_string, trigraph_ok, save_comment,
5256 adjust_column, _cpp_get_line): New implementations.
5258 (lex_token): New function. Lexes a token at a time, looking
5259 forwards. Contains most of the guts of the old lex_line.
5260 (lex_line): New implementation, using lex_token to obtain
5262 (cpp_scan_buffer): Use the token's line, not the list's line.
5264 * cpplib.c (_cpp_check_directive, _cpp_check_linemarker):
5265 New implementations.
5266 (do_assert): Don't bother setting the answer's list's line.
5267 (cpp_push_buffer): Initialise new pfile and read_ahead members
5268 of struct cpp_buffer.
5270 * cpplib.h (cppchar_t): New typedef.
5271 (struct cpp_buffer): read_ahead, pfile and col_adjust are
5273 (struct lexer_state): New structure that determines the state
5274 and behaviour of the lexer.
5275 (IN_DIRECTIVE, KNOWN_DIRECTIVE): New macros.
5276 (struct cpp_reader): New member "state". Rename
5277 multiline_string_line and multiline_string_column. Delete
5278 col_adjust, in_lex_line members.
5279 (CPP_BUF_COLUMN): Update.
5281 2000-09-18 Richard Henderson <rth@cygnus.com>
5283 * combine.c (simplify_comparison): Shift a NOT out of a single
5286 * combine.c (if_then_else_cond): Canonicalize BImode true to
5288 * explow.c (trunc_int_for_mode): Likewise.
5290 * combine.c (combine_simplify_rtx): Use gen_unary to distribute
5291 the NOT for De Morgan's rule.
5292 * simplify-rtx.c (simplify_unary_operation): Simplify a BImode NOT
5293 of a comparison to the reverse comparison.
5295 * combine.c (try_combine): Allow split to create a single insn.
5297 * machmode.def: Add BImode. Add a column for bitsize.
5298 * machmode.h (DEF_MACHMODE): Adjust for extra column.
5299 (GET_MODE_BITSIZE): Use it.
5300 * rtl.c (DEF_MACHMODE): Adjust for extra column.
5301 (mode_bitsize): New.
5302 (mode_mask_array): Use bitsize.
5303 * combine.c (combine_simplify_rtx): Require inner and outer
5304 modes to match on nonzero_bits optimizations.
5306 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
5308 * reload1.c (forget_old_reloads_1): If a hard reg is stored, clear
5309 its entry in spill_reg_store.
5310 * config/sh/lib1funcs.ams (movstr_i4 functions): Always compile in.
5311 * sh.c (reg_no_subreg_operand): New function.
5312 * sh-protos.h (reg_no_subreg_operand): Declare it.
5313 * sh.h (PREDICATE_CODES): Add it.
5314 * sh.md (floatsisf2_i4, floatsidf2_i, extendsfdf2_i4): Use it for
5315 input operand that needs to be in fpul.
5316 (fix_truncsfsi2, fix_truncsfsi2_i4): Use register_operand for output.
5317 * sh.c (find_barrier): Take into account that machine_dependent_reorg
5318 might add new insns.
5320 2000-09-18 Alexandre Oliva <aoliva@redhat.com>
5322 * config/sh/sh.c (sh_expand_prologue): Mark GOTaddr2picreg as
5324 (sh_expand_epilogue): Take the PIC register into account when
5325 computing the frame size.
5327 * config/sh/sh.c (nonpic_symbol_mentioned_p): Check LABEL_REFs.
5328 * config/sh/sh.md (sym_label2reg, symPLT_label2reg): Protect
5329 LABEL_REFs with a PIC-safe unspec.
5331 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
5333 * c-common.c (check_format_info): Properly save the argument
5334 number and parameter for $ operand number formats in case width
5335 and precision arguments are also used. Allow printf width and
5336 precision arguments to have operand numbers even if none was
5337 specified for the main format, since this is OK for %*.*m. Only
5338 object to missing $ operand number if the format used requires an
5341 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
5343 * c-common.c (format_char_info): Add 'W' flag to comment.
5344 (print_char_table, scan_char_table): Use it.
5345 (check_format_info): Use the 'W' flag to determine whether a
5346 format argument is written into.
5348 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
5350 * c-common.c (check_format_types): Reorganise and clean up,
5351 checking earlier for ERROR_MARKs and making cur_type into its
5352 TYPE_MAIN_VARIANT where convenient.
5354 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
5356 * gcc.c (cpp_options): Add specs for __STDC_HOSTED__.
5358 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
5360 * optabs.c (emit_libcall_block): Set CONST_CALL_P for the call.
5362 * i386-protos.h (ix86_init_builtins, ix86_expand_builtin): Declare.
5363 * i386.c (struct builtin_description): New.
5364 (bdesc_comi, bdesc_2arg, bdesc_1arg): New arrays.
5365 (mmx_reg_operand): Declare MODE arg as unused.
5366 (ix86_expand_sse_comi, ix86_expand_sse_compare, safe_vector_operand,
5367 ix86_expand_unop1_builtin, ix86_expand_unop_builtin,
5368 ix86_expand_binop_builtin, ix86_expand_store_builtin,
5369 ix86_init_builtins, ix86_expand_builtin): New functions.
5370 * i386.h (ix86_builtins): New enumeration.
5371 (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): New macros.
5372 * i386.md (attr length_immediate): 0 for mmx/sse types.
5373 (attr prefix_0f): 1 for mmx/sse types.
5374 (setcc_2): Remove "*" so we get gen_setcc_2.
5375 (emms): Account for changed register numbering. Set "memory" attr
5377 (sfence): Set "memory" attr to unknown.
5379 2000-09-18 Andreas Jaeger <aj@suse.de>
5381 * configure.in: Define _GNU_SOURCE only when using the GNU C
5383 * configure: Regenerated.
5384 * config.in: Regenerated.
5386 2000-09-17 Mark Mitchell <mark@codesourcery.com>
5388 * cppinit.c (cpp_init): Don't use ANSI prototypes.
5389 * flow.c (flow_dump_loop): Likewise.
5390 (flow_loops_dump): Likewise.
5392 * c-typeck.c (c_start_case): Fix typo.
5394 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
5396 * c-decl.c (grokdeclarator): Don't give a warning about defaulting
5397 to int for plain complex which defaults to complex double. Do
5398 warn about defaulting to complex double if pedantic. Warn about
5399 complex integer types if pedantic. Warn about complex types if
5400 pedantic and not in C99 mode.
5401 * c-typeck.c (build_unary_op): If pedantic, warn about use of ~
5402 for complex conjugation.
5404 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
5406 * contrib.texi: Update my entry.
5408 Sun Sep 17 18:48:32 2000 Denis Chertykov <denisc@overta.ru>
5410 * config/avr/avr.md (mcu_enhanced): New attribute.
5411 (mcu_mega): Likewise.
5412 (extendhisi2): Use mcu_enhanced.
5413 (zero_extendhisi2): Likewise.
5414 (call_insn): Use mcu_enhanced and mcu_mega.
5415 (call_value_insn): Likewise.
5416 (*sbrx_branch): Use mcu_mega.
5417 (*sbrx_and_branchsi): Likewise.
5418 (*sbrx_and_branchhi): Likewise.
5419 (*tablejump_lib): Likewise.
5421 Sun Sep 17 10:46:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5423 * alias.c (true_dependence): Allow non-unchanging read to conflict
5424 with unchanging write.
5426 * expr.c (store_constructor_field): Accept ALIAS_SET arg.
5427 (store_constructor): Pass alias_set to it.
5429 * c-decl.c (grokdeclarator): Reorder tests to avoid looking at
5430 TYPE_MAIN_VARIANT of ERROR_MARK.
5431 * c-lex.c (readescape): Avoid using printf syntax we don't recognize.
5433 * simplify-rtx.c (simplify_unary_operation): Add cases
5434 FLOAT_EXTEND and FLOAT_TRUNCATE to ones that return 0.
5436 2000-09-17 Bernd Schmidt <bernds@redhat.co.uk>
5438 * expr.h (emit_library_call, emit_library_call_value): Delete
5440 * rtl.h (enum libcall_type): New.
5441 (emit_library_call, emit_library_call_value): Change fn_type arg to
5442 be of type enum libcall_type.
5443 * calls.c: Likewise for the function definitions. Several callers
5444 throughout changed to use the new enumeration appropriately.
5445 (emit_library_call_value_1): Likewise. Put back code to make libcall
5446 blocks of equal form, but only use it for the two new higher
5449 2000-09-16 Mark Mitchell <mark@codesourcery.com>
5451 Convert the C front-end to use function-at-a-time mode.
5452 * c-common.h: Include splay-tree.h.
5453 (C_DECLARED_LABEL_FLAG): New macro.
5454 (struct language_function): Add x_scope_stmt_stack and
5455 x_function_name_declared_p.
5456 (RECHAIN_STMTS): Move definition.
5457 (lang_statment_code_p): Likewise.
5458 (lang_expand_stmt): Likewise.
5459 (lang_expand_decl_stmt): New variable.
5460 (lang_expand_function_end): Likewise.
5461 (current_scope_stmt_stack): New function.
5462 (add_decl_stmt): Likewise.
5463 (add_scope_stmt): Likewise.
5464 (mark_stmt_tree): Likewise.
5465 (struct c_lang_decl): New structure.
5466 (DECL_SAVED_TREE): Define.
5467 (c_mark_lang_decl): New function.
5468 (c_expand_start_cond): Change prototype.
5469 (c_finish_then): New function.
5470 (c_finish_else): Likewise.
5471 (current_function_name_declared): Remove.
5472 (set_current_function_name_declared): Likewise.
5473 (mark_c_language_function): Declare.
5474 (case_compare): Likewise.
5475 (c_add_case_label): Likewise.
5476 (c_expand_expr): Likewise.
5477 (c_safe_from_p): Likewise.
5478 * c-common.c (lang_expand_function_end): New variable.
5479 (struct if_elt): Add if_stmt.
5480 (c_expand_start_cond): Add the if-statement to the statement-tree,
5481 rather than generating RTL.
5482 (c_finish_then): New function.
5483 (c_expand_start_else): Don't generate RTL.
5484 (c_finish_else): New function.
5485 (c_expand_expr_stmt): Don't generate RTL.
5486 (statement_code_p): Add SCOPE_STMT.
5487 (case_compare): New function.
5488 (c_add_case_label): Likewise.
5489 (mark_stmt_tree): Likewise.
5490 (c_mark_lang_decl): Likewise.
5491 (mark_c_language_function): Likewise.
5492 (c_expand_expr): Likewise.
5493 (c_safe_from_p): Likewise.
5494 * c-decl.c (c_stmt_tree): New variable
5495 (c_scope_stmt_stack): Likewise.
5496 (c_function_name_declared_p): Likewise.
5497 (lang_expand_expr_stmt): Remove.
5498 (poplevel): Don't call output_inline_function for nested
5500 (pushdecl): Don't set DECL_CONTEXT for a local declaration of an
5502 (redeclaration_error_message): Change means of computing whether
5503 or not a function is nested.
5504 (lookup_label): Don't call label_rtx.
5505 (init_decl_processing): Add more GC roots.
5506 (start_decl): Add DECL_STMTs to the statement-tree, rather than
5507 calling rest_of_decl_compilation.
5508 (finish_decl): Don't call expand_decl.
5509 (store_parm_decls): Begin the statement-tree, but don't generate
5511 (finish_function): Tie off the statement-tree. Call c_expand_body
5513 (c_expand_body): New function.
5514 (push_c_function_context): Save more information.
5515 (pop_c_function_contxt): Likewise.
5516 (copy_lang_decl): Now that we use DECL_LANG_SPECIFIC, copy it.
5517 (lang_mark_tree): Mark it.
5518 (current_stmt_tree): Adjust.
5519 (current_scope_stmt_stack): New function.
5521 (set_current_name_declared): Likewise.
5522 (c_begin_compound_stmt): Define.
5523 (c_expand_decl_stmt): Likewise.
5524 * c-lang.c: Include rtl.h and expr.h.
5525 (lang_init): Set more language-specific hooks.
5526 * c-lex.c: Include expr.h.
5527 * c-parse.in: Changes throughout to add statements to the
5528 statement-tree, rather than generating RTL after every statement.
5529 * c-semantics.c (lang_expand_decl_stmt): Define.
5530 (add_decl_stmt): New function.
5531 (add_scope_stmt): Likewise.
5532 (finish_stmt_tree): Tweak.
5533 (genrtl_expr_stmt): Likewise.
5534 (genrtl_decl_stmt): Handle local labels, and call
5535 lang_expand_decl_stmt if required.
5536 (genrtl_for_stmt): Fix line-number handling.
5537 (genrtl_case_label): Handle cleanups.
5538 (genrtl_asm_stmt): Don't call combine_strings.
5539 (genrtl_compound_stmt): Simplify.
5540 (expand_stmt): Handle SCOPE_STMTs.
5541 * c-tree.h (struct lang_decl): New structure.
5542 (C_DECLARED_LABEL_FLAG): Remove.
5543 (c_begin_compound_stmt): Declare.
5544 (c_expand_decl_stmt): Likewise.
5545 (c_expand_start_case): Rename to c_start_case.
5546 (c_finish_case): New function.
5547 * c-typeck.c (start_init): Tweak setting of
5548 constructor_incremental.
5549 (c_expand_asm_operands): Tweak error-handling. Add to the
5551 (c_expand_return): Add to the statement-tree.
5552 (c_expand_start_case): Rename to ...
5553 (c_start_case): ... this.
5554 (struct c_switch): New type.
5555 (switch_stack): New variable.
5556 (do_case): Simplify.
5557 (c_finish_case): New function.
5558 * dependence.c: Include expr.h.
5559 (enum dependence_type): Change spelling of enumerals.
5560 (check_node_dependence): Adjust.
5561 * expr.h (lang_safe_from_p): Declare.
5562 (safe_from_p): Likewise.
5563 * expr.c (lang_safe_from_p): New variable.
5564 (safe_from_p): Give it external linkage. Use lang_safe_from_p.
5565 * stmt.c (expand_expr_stmt): Avoid clobberring of last_expr_type.
5566 * toplev.c (rest_of_decl_compilation): Robustify.
5567 * tree.c (contains_placeholder_p): Likewise.
5568 * Makefile.in: Update dependencies.
5569 * objc/objc-act.h: Adjust calculation of value for dummy_tree_code.
5570 * objc/objc-act.c: Include rtl.h, expr.h, and c-common.h.
5571 (objc_expand_function_end): New function.
5572 (finish_method_def): Use it.
5573 (init_objc): Initialize more language-specific hooks.
5574 * objc/Make-lang.in: Update dependencies.
5576 2000-09-16 Geoffrey Keating <geoffk@cygnus.com>
5578 * configure.in: Define macros that affect features before
5579 testing for features. Don't define _XOPEN_SOURCE.
5580 * configure: Regenerated.
5581 * config.in: Regenerated.
5583 Sat Sep 16 19:42:50 EDT 2000 John Wehle (john@feith.com)
5585 * rtlanal.c (rtx_varies_p): Volatile asms vary.
5586 (rtx_unstable_p): Restructure code. Volatile asms
5589 Sat Sep 16 14:35:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5591 * function.h (no_debugging_symbols): New field.
5592 * integrate.c (save_for_inline): Renamed from save_for_inline_nocopy.
5593 Initialize no_debugging_symbols.
5594 (output_inline_function): Save and restore write_symbols and set from
5595 no_debugging_symbols.
5596 * toplev.c (rest_of_compilation): Call save_for_inline.
5597 * tree.h: Update comment.
5599 * stor-layout.c (place_field): Don't do anything if field or
5600 its type are ERROR_MARK.
5602 Sat Sep 16 19:14:00 2000 Laurynas Biveinis <lauras@softhome.net>
5604 * cppfiles.c (purge_cache): Use munmap only if MMAP_THRESHOLD defined.
5605 (read_include_file): Ensure inc->mmaped is initialized.
5607 2000-09-16 Richard Henderson <rth@cygnus.com>
5609 * cppiles.c (purge_cache): Use PTR not caddr_t.
5611 2000-09-16 Hans-Peter Nilsson <hp@axis.com>
5613 * gcc.c: In description for %{<S}, say the option removed is -S.
5614 * invoke.texi (Spec Files): Ditto.
5616 2000-09-16 Andreas Jaeger <aj@suse.de>
5618 * configure.in: Always define _GNU_SOURCE to make interfaces
5619 visible that were hidden by only defining _GNU_SOURCE.
5620 * configure: Regenerated.
5622 Sat 16-Sep-2000 08:13:45 BST Neil Booth <NeilB@earthling.net>
5624 * cpplex.c (push_macro_context): Set an argument's level after
5625 calling parse_args. We could loop infinitely otherwise.
5627 2000-09-15 Tom Tromey <tromey@cygnus.com>
5629 * configure, config.in: Rebuilt.
5630 * configure.in: Check for iconv.h. Define _XOPEN_SOURCE.
5632 2000-09-15 Greg McGary <greg@mcgary.org>
5634 * cppmacro.c (check_trad_stringification): Check token
5635 text pointers against limit before dereferencing.
5637 2000-09-15 Joseph S. Myers <jsm28@cam.ac.uk>
5639 * c-common.c (format_wanted_type): New structure.
5640 (check_format_types): New function.
5641 (check_format_info): Pass all checking of types of format
5642 arguments, including width and precision arguments, to this new
5645 2000-09-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5647 * BUGS: Remove file.
5649 2000-09-15 Jakub Jelinek <jakub@redhat.com>
5651 * config/alpha/alpha.c (override_options): ev6 cache latencies
5652 from Richard Henderson. Don't allow -mmemory-latency=L0.
5654 * config/alpha/alpha.h (TARGET_CPU_EV5, TARGET_CPU_EV6): Define.
5655 (TARGET_OPTIONS): Add tune=.
5656 (alpha_tune_string): Declare.
5657 * config/alpha/alpha.c (override_options): Add cpu_table.
5658 Use alpha_cpu_string first to set both alpha_cpu and target_flags
5659 and then alpha_tune_string to set alpha_cpu only.
5660 Replace tests for PROCESSOR_EV* with TARGET_CPU_EV* tests.
5661 * config/alpha/elf.h (ASM_FILE_START): Likewise.
5662 * config/alpha/osf.h (ASM_FILE_START): Likewise.
5663 * config/alpha/openbsd.h (ASM_FILE_START): Likewise.
5665 Fri Sep 15 19:45:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
5667 * i386-protos.h (no_comparison_operator, uno_comparison_operator):
5669 (ix86_comparison_operator, ix86_cc_mode): Declare
5670 * i386.h (CCGC, CCGCO): New modes.
5671 (SELECT_CC_MODE): Move offline to ....
5672 * i386.c (ix86_cc_mode): .... here; use new modes.
5673 (ix86_comparison_operator): New.
5674 (fcmov_comparison_operator): Ensure proper mode.
5675 (put_condition_mode): More sanity checking.
5676 (ix86_match_ccmode): Handle new modes.
5677 (ix86_expand_fp_compare): GEU requires CCmode.
5678 (ix86_expand_strlensi_unroll_1): Use emit_cmp_and_jump_insn instead of
5680 * i386.md (cmp?i_ccz_1): Remove
5681 (cmp?i_ccno_1): Use ix86_match_ccmode.
5682 (cmp?i_minus_1): New.
5683 (cmpsi_1): New expander.
5684 (cmpqi_ext_1): Use match_ccmode
5685 (cmpqi_ext_3): New expander.
5686 (cmpqi_ext_3_insn): Rename from cmpqi_ext_3.
5687 (cmpqi_ext_4): Use match_ccmode.
5688 (add?i_?): Use match_ccmode.
5690 (test?i_ccz_1): Remove
5692 (testsi_ccno_1, testqi_ccz_1, testqi_ext_ccno_0): New expander.
5693 (testqi_ext_0): Use ix86_match_ccmode.
5694 (*xorqi_cc_ext_1): Use ix86_match_ccmode.
5695 (xorqi_cc_ext_1): New expander.
5696 (shift patterns): Use CCGOCmode for all shifts except for sar.
5697 (setcc_?, jcc_?, miv?icc_nic): Use ix86_comparison_operator.
5698 (setcc_3, jcc_3, miv?icc_c): Remove.
5700 2000-09-15 Will Cohen <wcohen@redhat.com>
5702 * dwarf2out.c (add_const_value_attribute): Changed array into a
5703 xmalloced object, so it exists after function exit.
5704 (free_AT): Added case for dw_val_class_float to free allocated
5707 2000-09-15 Kazu Hirata <kazu@hxi.com>
5709 * config/i386/i386.md: Fix a comment typo.
5710 * gcc.c: Fix formatting.
5712 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
5714 * optabs.c (emit_libcall_block): If target is a user variable,
5715 copy to a temporary first.
5716 * expr.c (convert_move): When generating a libcall, make a libcall
5718 * calls.c (emit_library_call_value_1): Don't create a libcall
5719 sequence here; our caller will in most cases do it.
5721 * sh.h (SECONDARY_INPUT_RELOAD_CLASS): Handle moving T, MACL or
5723 (SECONDARY_OUTPUT_RELOAD_CLASS): Similar case.
5724 * sh.md (reload_outsf): Generate recognizable patterns for
5726 (floatsisf2, floatsisf2_ie, floatsisf2_i4, fix_truncsfsi2,
5727 fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i, fix_truncdfsi2,
5728 fix_truncdfsi2_i, extendsfdf2, extendsfdf2_i4, truncdfsf2,
5729 truncdfsf2_i4): Change not to use explicit references to fpul.
5730 (floatsisf2_ie): Remove USE of fpscr.
5731 (floatsisf2): Change default expansion to match this.
5732 (fix_truncsfsi2_i4_2, fix_truncdfsi2_i4 & splitters): Comment out
5735 2000-09-15 Richard Henderson <rth@cygnus.com>
5737 * expmed.c (store_bit_field): Consider naturally aligned
5738 memory for direct reference.
5740 2000-09-15 Richard Henderson <rth@cygnus.com>
5742 * config/alpha/alpha.c (alpha_expand_unaligned_load): Force all
5743 AND addresses into alias set 0.
5744 (alpha_expand_unaligned_store): Likewise.
5745 (alpha_expand_unaligned_load_words): Likewise.
5746 (alpha_expand_unaligned_store_words): Likewise.
5748 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
5750 * config/sh/sh.h (CPP_SPEC): For -m4-nofpu, define __SH4_NOFPU__.
5751 * config/sh/lib1funcs.asm (movstr_i4): Also compile if __SH4_NOFPU__
5753 * config/mips/mips.c (mips_va_arg): Args passed by reference have a
5754 rsize of UNITS_PER_WORD.
5756 Fri 15-Sep-2000 06:49:07 BST Neil Booth <NeilB@earthling.net>
5758 * cpplex.c (ON_REST_ARG): Correct the test.
5759 (maybe_paste_with_next): Duplicate a token that fail pasting,
5760 and clear its PASTE_LEFT flag, so that nested pasting attempts
5763 2000-09-14 Richard Henderson <rth@cygnus.com>
5765 * calls.c (precompute_register_parameters): Use COSTS_N_INSNS, not 2.
5766 * cse.c (rtx_cost): Likewise.
5767 * optabls.c (expand_binop): Likewise.
5768 (expand_twoval_binop, prepare_cmp_insn): Likewise.
5769 * regclass.c (copy_cost): Likewise.
5770 * reload1.c (reload_cse_move2add): Likewise.
5772 2000-09-14 Joseph S. Myers <jsm28@cam.ac.uk>
5774 * c-parse.in (reswords): Add _Complex.
5776 2000-09-14 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5778 * gcc.1: Delete documentation for -undef preprocessor option.
5780 2000-09-14 Alexandre Oliva <aoliva@redhat.com>
5782 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
5783 STARTFILE_SPEC, ENDFILE_SPEC): Remove define.
5784 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
5785 Remove undefine before config/elfos.h.
5786 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Comment out.
5788 2000-09-14 Kazu Hirata <kazu@hxi.com>
5790 * invoke.texi (H8/300 Options): Add -ms2600.
5791 * config/h8300.c (h8300_init_once): Output an error when -ms2600
5792 is used without -ms.
5793 * config/h8300.h (TARGET_MAC): New.
5794 (TARGET_SWITCHES): Add -ms2600 and -mno-s2600.
5795 (CONDITIONA_REGISTER_USAGE): Disable the mac register on any
5796 machine other than H8/S2600.
5797 * config/h8300.md: Accept mac instructions on the H8/S2600 instead
5800 2000-09-14 Alexandre Oliva <aoliva@redhat.com>, Bernd Schmidt <bernds@redhat.co.uk>
5802 * reload.c (find_reloads_address_1): Generate reloads for auto_inc
5803 pseudos that refer to the original pseudos, not only to their
5804 equivalent memory locations.
5806 Thu Sep 14 12:10:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5808 * expr.c (expand_expr, case COMPONENT_EXPR): Copy memory attributes
5809 when making new MEM.
5811 * Makefile.in (LN): Remove duplicate definition.
5813 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
5815 From Joern Rennecke:
5816 * local-alloc.c (update_equiv_regs): If there is no REG_EQUAL note
5817 on an insn and function_invariant_p returns nonzero for the source,
5818 add a REG_EQUAL note.
5820 Thu Sep 14 00:51:57 EDT 2000 John Wehle (john@feith.com)
5822 * alias.c (memrefs_conflict_p): An ADDRESSOF doesn't
5823 conflict with frame_pointer_rtx.
5825 2000-09-13 Kazu Hirata <kazu@hxi.com>
5827 * loop.c: Fix formatting.
5830 2000-09-13 Richard Henderson <rth@cygnus.com>
5832 * config/ia64/ia64.md (divsf3): New.
5833 (divsf3_internal_lat, divsf3_internal_thr): New.
5834 (divdf3, divdf3_internal_lat, divdf3_internal_thr): New.
5835 (divtf3, divtf3_internal_lat, divtf3_internal_thr): New.
5836 (adddf3_trunc, subdf3_trunc, muldf3_trunc): New.
5837 (madddf4_trunc, msubdf4_trunc, nmuldf3_trunc): New.
5838 (nmadddf4_alts, nmadddf4_trunc): New.
5839 (addtf3_truncsf, addtf3_truncdf, subtf3_truncsf): New.
5840 (subtf3_truncdf, multf3_truncsf, multf3_truncdf): New.
5841 (multf3_truncsf_alts, multf3_truncdf_alts): New.
5842 (maddtf4_truncsf, maddtf4_truncdf, maddtf4_alts_truncdf): New.
5843 (msubtf4_truncsf, msubtf4_truncdf, nmultf3_truncsf): New.
5844 (nmultf3_truncdf, nmaddtf4_truncsf, nmaddtf4_truncdf): New.
5845 (nmaddtf4_truncdf_alts): New.
5846 (recip_approx): Don't predicate.
5848 2000-09-13 Richard Henderson <rth@cygnus.com>
5850 * config/ia64/lib1funcs.asm (__divsf3): Protect fnorm.s with p6.
5852 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5854 * flags.h (flag_dump_rtl_in_asm): Declare.
5855 * toplev.c (flag_dump_rtl_in_asm): Define.
5856 (decode_d_option): Set flag_dump_rtl_in_asm and flag_print_asm_name
5857 if -dP is specified.
5858 * rtl.h (print_rtx_head): Declare.
5859 * print-rtl.c (print_rtx_head): Define.
5860 (print_rtx): Print the string pointed to by print_rtx_head
5861 at beginning of each dump line.
5862 (print_rtl): Likewise.
5863 (print_rtl_single): Likewise.
5864 * final.c (final_scan_insn): Dump the insn in the assembly
5866 * gcc.1: Document -dP option.
5867 * invoke.texi (Debugging Options): Likewise.
5869 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5871 * md.texi (Machine Constraints): Document the 68HC11 constraints.
5872 * install.texi (Configurations): Document the 68HC11&68HC12 port.
5873 * invoke.texi (Option Summary, M68hc1x Options): Document the options.
5875 Tue Sep 12 13:51:13 2000 Denis Chertykov <denisc@overta.ru>
5877 * config/avr/avr.h (ASSEMBLER_DIALECT): New macro declared.
5878 * config/avr/avr.md (*movstrqi_insn): Cleanup output template.
5879 (*clrstrqi): Likewise.
5880 (xorhi3,xorsi3,absqi2): Likewise.
5881 (one_cmplhi2,one_cmplsi2): Likewise.
5882 (addsi3): Two stupid constraint alternatives removed.
5883 (extendhisi2): Use `movw' for enhanced avr cores.
5884 (zero_extendhisi2): Likewise.
5886 Wed Sep 13 02:31:23 EDT 2000 John Wehle (john@feith.com)
5888 * alias.c (find_base_term): Use frame_pointer_rtx
5889 when handling an ADDRESSOF.
5891 * cse.c (canon_hash): Handle USE of BLKmode memory.
5892 (cse_insn): Outgoing arguments for a libcall don't
5893 affect any recorded expressions.
5895 2000-09-12 Tom Tromey <tromey@cygnus.com>
5897 * configure, config.in: Rebuilt.
5898 * configure.in: Check for iconv, nl_langinfo, langinfo.h.
5900 2000-09-12 Jakub Jelinek <jakub@redhat.com>
5902 * c-lex.c (lex_string): Use charwidth to compute bytemask.
5903 * expr.c (expand_expr): Don't optimize constant array references
5904 initialized with wide string constants.
5906 2000-09-13 Michael Hayes <mhayes@cygnus.com>
5908 * loop.c (note_set_pseudo_multiple_uses): Correct.
5910 2000-09-12 Jim Wilson <wilson@cygnus.com>
5912 * ifcvt.c (noce_process_if_block): If A and B are the same, and no
5913 else block, and X has side-effects, then fail.
5915 2000-09-12 Greg McGary <greg@mcgary.org>
5917 * config/mips/mips-protos.h
5918 (trap_cmp_op, mips_gen_conditional_trap): New func decls.
5919 * config/mips/mips.h (ISA_HAS_COND_TRAP): New macro.
5920 (PREDICATE_CODES): Add "trap_cmp_op".
5921 * config/mips/mips.c
5922 (trap_cmp_op, mips_gen_conditional_trap): New functions.
5923 * config/mips/mips.md (trap, conditional_trap): New patterns.
5925 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
5927 * flow.c (try_pre_increment_1): Don't do anything to sets of the stack
5930 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5932 * builtins.c (built_in_decls): New array.
5933 (expand_builtin_fputs): New function.
5934 (expand_builtin): Handle BUILT_IN_FPUTC and BUILT_IN_FPUTS.
5936 * builtins.def (BUILT_IN_FPUTC, BUILT_IN_FPUTS): New members.
5938 * c-common.c (c_common_nodes_and_builtins): Handle fputc/fputs.
5940 * tree.h (built_in_decls): New array.
5942 Tue Sep 12 08:53:57 2000 Jeffrey A Law (law@cygnus.com)
5944 * convex.md: Use "+" instead of "=" for outputs wrapped in a
5946 * i370.md, i386.md, ns32k.md, sh.md, vax.md: Likewise.
5948 2000-09-12 Kazu Hirata <kazu@hxi.com>
5950 * haifa-sched.c: Fix formatting.
5952 * genattrtab.c: Fix formatting.
5954 * unroll.c: Fix formatting.
5956 2000-09-12 Bruce Korb <bkorb@gnu.org>
5958 * fixinc/fixfixes.c: make a type for the fix procedure & use it,
5959 remove obsolete code
5960 * fixinc/fixincl.c: Use PARAMS, not _P_. Add no-op default to switch.
5961 * fixinc/fixincl.tpl: make non-exported arrays static scope
5962 * fixinc/fixincl.x: regenerate
5963 * fixinc/fixlib.h: Use PARAMS, not _P_
5964 * fixinc/fixtests.c: make a type for the test proc & use it
5965 * fixinc/server.h: Use PARAMS, not _P_
5967 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5969 * c-typeck.c (process_init_element): Avoid union init warnings on
5970 floating point zero. Don't crash on unions containing structs.
5972 2000-09-12 Alexandre Oliva <aoliva@redhat.com>
5974 * config/sh/sh.h (PREDICATE_CODES): Add CONST_DOUBLE to
5975 general_movsrc_operand, and remove CONST_INT from
5976 general_movdst_operand.
5978 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
5980 * cse.c (approx_reg_cost): If SMALL_REGISTER_CLASSES, return INT_MAX
5981 if a reference to non-fixed hardreg is seen. Otherwise, count hard
5982 regs with a higher cost.
5983 (preferrable): Deal with cases where either cost or regcost is
5985 (cse_insn): Use MAX_COST rather than 10000. Always initialize
5987 (COSTS_N_INSNS): Move definition...
5989 (MAX_COST): New macro.
5990 * loop.c (init_loop): Use COSTS_N_INSNS macro instead of hardcoded
5993 2000-09-11 Mark Mitchell <mark@codesourcery.com>
5995 * c-common.h (genrtl_clear_out_block): Remove.
5996 * c-semantics.c (genrtl_clear_out_block): Remove.
5997 (genrtl_while_stmt): Don't call it.
5998 (genrtl_for_stmt): Likewise.
6000 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
6002 * cppfiles.c: Move all default-#defines to top of file.
6003 (open_include_file): Replace by lookup_include_file.
6004 (read_with_read, read_file): Merged into read_include_file.
6005 (stack_include_file, purge_cache): New functions.
6006 (close_cached_fd): Delete.
6007 (lookup_include_file, read_include_file, _cpp_pop_file_buffer):
6008 Cache the in-memory buffer, not the file descriptor.
6010 * cpphash.h (struct include_file): Add buffer, st, refcnt,
6012 (xcnew): New utility macro.
6013 (DO_NOT_REREAD, NEVER_REREAD): Move up by struct include_file.
6014 * cpplib.h (struct cpp_buffer): Remove mapped field.
6016 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
6018 * cpplex.c (parse_string): Accept backslash space newline as a
6020 (lex_line): Likewise.
6021 (_cpp_get_token): Remove hard limit on macro nesting.
6023 2000-09-12 Philipp Thomas <pthomas@suse.de>
6025 * aclocal.m4 (AM_WITH_NLS): Don't force use of included gettext.
6026 * configure: Rebuilt.
6028 2000-09-13 Michael Hayes <mhayes@cygnus.com>
6030 * flow.c (split_block): Fix update of registers live at
6033 Tue Sep 12 01:51:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
6035 * i386.md (add?i_3, add?i_5): New.
6036 (add?i_4): Rename from add?i_3; Fix compare pattern.
6037 (sub?i_3, xor?i_3, ior?i_3): New.
6039 * genrecog.c (write_tree): Output code to clear insn_extract cache.
6040 * genattrtab.c (write_attr_case): Gen call to extract_insn_cache
6041 instead of extract_insn and extract_constrain_insn_cache instead of
6042 extract_insn and constrain_operands.
6043 * recog.c (extract_insn_cached, extract_constrain_insn_cached):
6045 (extract_insn): Clear which_alternative.
6046 (constrain_operands): Set which_alternative to -1 when failed.
6047 * recog.h (extract_constrain_insn_cached, extract_insn_cached):
6050 2000-09-11 Matthew Hiller <hiller@redhat.com>
6052 * config/h8300/h8300.md (movstrictqi): Changed constraint modifier
6053 on operand 0 to '+'.
6054 (movstricthi): Likewise.
6056 2000-09-12 Michael Hayes <mhayes@cygnus.com>
6058 * loop.h (LOOP_IVS): New macro.
6059 (REG_IV_TYPE, REG_IV_INFO): Add ivs argument.
6060 (struct loop_ivs): New.
6061 (struct loop_info): Add ivs field.
6062 (reg_iv_type, reg_iv_info): Delete prototype.
6063 (reg_biv_class, loop_iv_list): Likewise.
6064 * loop.c (record_biv, find_life_end): Pass loop argument.
6065 (reg_iv_type): Remove global array and use
6066 field in loop_regs structure within loop_ivs structure.
6067 (reg_iv_info, reg_biv_class, loop_iv_list): Likewise.
6068 (first_increment_giv, last_increment_giv): Use entry in
6070 (record_initial): Pass ivs pointer.
6071 * unroll.c (copy_loop_body, remap_split_bivs): Add loop argument.
6073 2000-09-12 Michael Hayes <mhayes@cygnus.com>
6075 * loop.h (LOOP_REGS): New macro.
6076 (struct loop_regs): New.
6077 (struct loop_info): Add regs field.
6078 * loop.c (set_in_loop): Remove global array and store
6079 in loop_regs structure as part of loop_info structure.
6080 (n_times_set, may_not_optimize): Likewise.
6081 (reg_single_usage, moved_once): Likewise.
6082 (count_one_set): Add regs argument.
6083 (combine_movables, rtx_equal_for_loop_p, combine_givs): Likewise.
6084 (set_pseudo_multiple_uses): Pass regs pointer.
6086 2000-09-12 Michael Hayes <mhayes@cygnus.com>
6088 * unroll.c (iteration_info): Subsume into loop_iterations.
6089 * loop.h (loop_info): New field iv.
6091 2000-09-12 Michael Hayes <mhayes@cygnus.com>
6093 * basic-block.h (LOOP_TREE, LOOP_PRE_HEADER, LOOP_EDGES): New.
6094 (LOOP_EXITS_DOMS, LOOP_ALL): Likewise.
6095 (flow_loops_update): New prototype.
6096 (flow_loops_find): Add flags to prototype.
6097 (struct loop): Add `pre_header_root' and `pre_header_trace' fields.
6098 * flow.c (flow_loop_pre_header_scan): New.
6099 (flow_loop_dump): Dump pre-header root and trace and exit dominators.
6100 (flow_loop_free): Free pre-header root and trace and exit dominators.
6101 (flow_loops_find): New argument flags.
6102 (flow_loops_update): New function.
6103 * toplev.c (rest_of_compilation): Add flag argument to flow_loops_find.
6105 2000-09-12 Michael Hayes <mhayes@cygnus.com>
6107 * basic-block.h (split_block, update_bb_for_insn): New prototypes.
6108 * flow.c (split_block, update_bb_for_insn): New functions.
6110 2000-09-11 Richard Henderson <rth@cygnus.com>
6112 * cse.c (fold_rtx): Honor NO_FUNCTION_CSE.
6114 2000-09-11 Richard Henderson <rth@cygnus.com>
6116 * config/ia64/ia64-protos.h (fr_nonimmediate_operand): Declare.
6117 * config/ia64/ia64.c (fr_nonimmediate_operand): New.
6118 (ia64_override_options): Prevent optimizing division for both
6119 latency and throughput.
6120 (rtx_needs_barrier): Handle frcpa.
6121 * config/ia64/ia64.h (MASK_INLINE_DIV_LAT): New.
6122 (MASK_INLINE_DIV_THR, TARGET_INLINE_DIV_LAT): New.
6123 (TARGET_INLINE_DIV_THR, TARGET_INLINE_DIV): New.
6124 (TARGET_SWITCHES): Add -minline-divide-min-latency and
6125 -minline-divide-max-throughput.
6126 (PREDICATE_CODES): Update.
6127 * config/ia64/ia64.md (extendsidi2): Remove * from f case.
6128 (zero_extendsidi2): Likewise. Fix typo in f case insn.
6129 (extendsfdf2): Add cases for gr<->fr and fr<->mem.
6130 (extendsftf2): Likewise.
6131 (extenddftf2): Likewise.
6132 (fix_trunctfdi2_alts): New.
6133 (fixuns_trunctfdi2_alts): New.
6134 (madd*4): Rename from madd*3.
6135 (divsi3, modsi3, udivsi3, umodsi3): New.
6136 (divsi3_internal): New.
6137 (divdi3, moddi3, udivdi3, umoddi3): New.
6138 (divdi3_internal_lat, divdi3_internal_thr): New.
6139 (multf3_alts, maddtf4_alts, nmaddtf4_alts): New.
6140 (recip_approx): New.
6142 2000-09-11 Alexandre Oliva <aoliva@redhat.com>
6144 * print-rtl.c (debug_call_placeholder_verbose): New variable.
6145 (print_rtx) [CALL_PLACEHOLDER]: Dump all call sequences if it is
6147 * integrate.c (copy_rtx_and_substitute): Don't share
6148 LEAF_REG_REMAPpable registers with the inlined function. Don't
6149 share the function value with calling sequences.
6151 2000-09-11 Jakub Jelinek <jakub@redhat.com>
6153 * c-decl.c (do_case): Fix a typo.
6155 * combine.c (simplify_if_then_else): Don't convert a == b ? b : a
6156 to a if the comparison is floating mode and not -ffast-math.
6157 * simplify-rtx.c (simplify_ternary_operation): Likewise.
6159 Mon Sep 11 20:07:48 2000 J"orn Rennecke <amylaar@redhat.co.uk>
6161 * sh.h (INITIALIZE_TRAMPOLINE): Remove stray call to
6162 gen_ic_invalidate_line.
6164 2000-09-11 Philip Blundell <pb@futuretv.com>
6166 * config/arm/elf.h (SUBTARGET_CPP_SPEC): Don't define `arm_elf'.
6168 Mon Sep 11 10:48:41 2000 Ulrich Drepper <drepper@redhat.com>
6170 * install.texi (LANGUAGES): Update to include new languages.
6173 2000-09-11 DJ Delorie <dj@redhat.com>
6175 * gcc.c (main): Don't warn about unused -B prefixes
6176 (unused_prefix_warnings): remove
6178 2000-09-11 Kazu Hirata <kazu@hxi.com>
6180 * final.c: Fix formatting.
6182 * integrate.c: Fix formatting.
6184 2000-09-11 Geoff Keating <geoffk@cygnus.com>
6186 * alias.c (memrefs_conflict_p): An ADDRESSOF does conflict, sorry.
6188 2000-09-11 Bernd Schmidt <bernds@redhat.co.uk>
6190 * reload.c (regno_clobbered_p): Fix thinko in previous change.
6192 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6194 * gcc.1: Document 68hc11 specific options.
6196 2000-09-10 Geoff Keating <geoffk@cygnus.com>
6198 * config/rs6000/sysv4.h (MASK_LONG_DOUBLE_128): Define.
6199 (TARGET_LONG_DOUBLE_128): Define.
6200 (SUBTARGET_SWITCHES): Add -mlong-double-64 and -mlong-double-128.
6201 (LONG_DOUBLE_TYPE_SIZE): Redefine.
6202 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
6203 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on definition
6204 of __LONG_DOUBLE_128__.
6205 (CPP_SYSV_SPEC): Define __LONG_DOUBLE_128__ if -mlong-double-128
6207 (CPP_LONGDOUBLE_DEFAULT_SPEC): Define.
6208 (CPP_SYSV_DEFAULT_SPEC): Define.
6209 (SUBTARGET_EXTRA_SPECS): Add cpp_longdouble_default.
6210 (INIT_TARGET_OPTABS): Define.
6212 * config/rs6000/aix.h (RS6000_ITRUNC): Moved from rs6000.h.
6213 (RS6000_UITRUNC): Likewise.
6214 (INIT_TARGET_OPTABS): New macro.
6215 * config/rs6000/rs6000.c (rs6000_trunc_used): Delete.
6216 (trunc_defined): Delete.
6217 (output_prolog): Don't output .extern definitions for fp->int
6218 conversion routines, ASM_OUTPUT_EXTERNAL_LIBCALL will do it.
6219 * config/rs6000/rs6000.h (rs6000_trunc_used): Delete.
6220 (trunc_defined): Delete.
6221 (RS6000_ITRUNC): Moved to aix.h.
6222 (RS6000_UITRUNC): Likewise.
6223 * config/rs6000/rs6000.md (fix_truncdfsi2): Fail if it would
6224 only emit a libcall.
6225 (fixuns_truncdfsi2): Delete.
6226 (trunc_call): Delete.
6227 (trunc_call_rtl): Delete.
6229 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
6231 * varasm.c (make_decl_rtl): Restore leading star on
6232 DECL_ASSEMBLER_NAME set for decls with an asmspec.
6234 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
6236 * c-pragma.c (handle_pragma_pack): Correct parsing logic so it
6237 won't give a spurious error for '#pragma pack()'. Simplify
6238 control flow for readability. 'reset' action is not necessary.
6240 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
6242 * defaults.h: Provide default definitions for: CHAR_TYPE_SIZE,
6243 SHORT_TYPE_SIZE, INT_TYPE_SIZE, LONG_TYPE_SIZE,
6244 LONG_LONG_TYPE_SIZE, WCHAR_TYPE_SIZE, FLOAT_TYPE_SIZE,
6245 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE, and WCHAR_UNSIGNED.
6247 * cppexp.c, dwarfout.c, dwarf2out.c, emit-rtl.c, final.c, optabs.c,
6248 profile.c, sdbout.c, tradcif.y, tree.c:
6249 Include defaults.h if not already included.
6250 Don't define the above macros.
6252 * Makefile.in: Update dependencies.
6254 2000-09-10 Mark Mitchell <mark@codesourcery.com>
6256 * c-common.h (add_stmt): Change prototype.
6257 (RECHAIN_STMTS): New macro.
6258 (CASE_LABEL_DECL): Likewise.
6259 (genrtl_case_label): Change prototype.
6260 (c_expand_start_case): Remove prototype.
6261 (build_case_label): Change prototype.
6262 (decl_constant_value): Declare.
6263 * c-common.c (check_case_value): Handle C++'s extensions to C
6265 * c-commnon.def (CASE_LABEL): Add room for the CASE_LABEL_DECL
6267 * c-parse.in (stmt): Adjust handling of return statements and case
6269 * c-semantics.c (add_stmt): Return the new statement.
6270 (genrtl_return_stmt): Take the RETURN_STMT as input, not the
6271 returned expression. Directly generate RTL, rather than calling
6273 (genrtl_switch_stmt): Don't call c_expand_start_case.
6274 (build_case_label): Take the LABEL_DECL as input, too.
6275 (genrtl_case_label): Just call add_case_node.
6276 (expand_stmt): Adjust calls to genrtl_return_stmt and
6278 * c-tree.h (c_expand_start_case): Declare.
6279 * c-typeck.c (decl_constant_value): Give it external linkage.
6280 (c_expand_return): Don't call expand_return or expand_null_return;
6281 use genrtl_return_stmt instead.
6282 * stmt.c (struct nesting): Remove num_ranges field.
6283 (add_case_node): Give it external linkage.
6284 (expand_start_case): Don't set num_ranges.
6285 (expand_start_case_dummy): Don't clear it.
6286 (pushcase): Rely on add_case_node to handle `default' labels.
6287 (add_case_node): Handle `default' labels.
6288 * tree.c (tree_int_cst_compare): New function.
6289 * tree.h (tree_int_cst_compare): Declare.
6290 (add_case_node): Likewise.
6292 2000-09-10 Richard Henderson <rth@cygnus.com>
6294 * c-parse.in: Revert last change.
6295 (init_reswords): Do not enter disabled keywords into the ridpointers
6296 table, modulo objc weirdness.
6297 (_yylex): Return the canonical spelling for a keyword.
6299 2000-09-10 Philip Blundell <philb@gnu.org>
6301 * config/arm/arm.h (CPP_ISA_SPEC): Don't define `arm' or `thumb'.
6302 * config/arm/linux-elf.h (CPP_PREDEFINES): Don't define `__arm__'.
6304 Sun Sep 10 14:30:28 EDT 2000 John Wehle (john@feith.com)
6306 * alias.c (find_base_term): Handle ADDRESSOF.
6307 (memrefs_conflict_p): An ADDRESSOF doesn't conflict.
6309 2000-09-10 Denis Chertykov <denisc@overta.ru>
6311 * genoutput.c (output_insn_data): Translate <NEWLINE> to \n\ while
6312 outputting templates with many lines.
6314 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6316 * libgcc2.h: Use LONG_LONG_TYPE_SIZE instead of MIN_UNITS_PER_WORD
6317 to decide whether 64-bit support must be generated.
6319 2000-09-10 Richard Henderson <rth@cygnus.com>
6321 * c-parse.in (asm patterns): Fix volatile check.
6323 2000-09-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6325 * cppmacro.c (check_trad_stringification): New function.
6326 (save_expansion): If -Wtraditional, warn about stringification of
6329 2000-09-11 Michael Hayes <mhayes@cygnus.com>
6331 * loop.h (struct loop_mem_info): Move from loop.c
6332 (struct loop_info): Add fields store_mems, mems, mems_idx,
6333 mems_allocated, unknown_address_altered,
6334 unknown_constant_address_altered, num_mem_sets, and
6335 first_loop_store_insn.
6337 * loop.c (loop_store_mems): Replace with field in loop_info struct.
6338 (loop_mems, loop_mems_idx, loop_mems_allocated): Likewise.
6339 (unknown_address_altered, unknown_constant_address_altered): Likewise.
6340 (num_mem_sets): Likewise.
6341 (replace_loop_mems, replace_loop_regs): New.
6342 (struct loop_replace_args): New.
6343 (load_mems): Use replace_loop_mems.
6344 (try_copy_prop): Use replace_loop_regs.
6345 (replace_loop_reg, replace_loop_mem): Use loop_replace_args structure.
6347 2000-09-09 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6349 * configure.in: Recognize m6811-elf and m6812-elf.
6350 * configure: Regenerate.
6352 2000-09-09 Geoff Keating <geoffk@cygnus.com>
6354 * recog.c (validate_replace_rtx_1): Correct MODE parameter in call
6357 2000-09-10 Michael Hayes <mhayes@cygnus.com>
6359 * loop.c (struct movables): New.
6360 (num_movables): Move into struct movables.
6361 (the_movables): Change type to struct movables.
6362 (ignore_some_movables): Change struct movable arg to struct movables.
6363 (force_movables, combine_movables, regs_match_p): Likewise.
6364 (rtx_equal_for_loop_p, move_movables): Likewise.
6365 (scan_loop): Change movables to be of type struct movables.
6366 Replace last_movable with field in movables structure.
6368 2000-09-08 Zack Weinberg <zack@wolery.cumb.org>
6370 * c-pragma.c: Don't elide entire file if !HANDLE_GENERIC_PRAGMAS.
6371 (init_pragma): Avoid warning if pfile happens to be unused.
6372 * c-pragma.h: Never define HANDLE_GENERIC_PRAGMAS. Never
6373 define init_pragma to nothing. Always prototype
6374 init_pragma. Prototype dispatch_pragma if !USE_CPPLIB.
6376 * c-lex.c (process_directive): Always call dispatch_pragma.
6377 Initialize entering_c_header to 0.
6379 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6381 * config/m68hc11/m68hc11.md: New file, machine description for
6383 * config/m68hc11/m68hc11.h: New file, definitions for 68HC11 & 68HC12.
6384 * config/m68hc11/m68hc11.c: New file, functions for 68HC11 & 68HC12.
6385 * config/m68hc11/m68hc12.h: New file, definitions for 68HC12.
6386 * config/m68hc11/m68hc11-protos.h: New file.
6387 * config/m68hc11/m68hc11-crt0.S: New file, startup code.
6388 * config/m68hc11/t-m68hc11-gas: New file, makefile fragment.
6389 * config/m68hc11/xm-m68hc11.h: New file, target defs.
6390 * config/m68hc11/larith.asm: New file, libgcc routines.
6392 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6394 * Makefile.in (DPBIT_FUNCS): Add _usi_to_df.
6395 (FPBIT_FUNCS): Add _usi_to_sf.
6396 * config/fp-bit.c (usi_to_float): New function.
6397 * config/fp-bit.h (L_usi_to_sf, L_usi_to_df): Define.
6398 (usi_to_float): Add appropriate #define.
6400 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
6402 * i386-protos.h (sse_comparison_operator, mmx_reg_operand): Declare
6404 * i386.c (sse_comparison_operator, mmx_reg_operand): New functions.
6405 * i386.md (attr "type"): Add sse and mmx types.
6406 (attr "memory"): Handle them without a crash.
6407 (movsi_1, movdi_2): Allow MMX regs.
6408 (movdi splits): Don't split moves involving MMX regs.
6409 (setcc_4): Remove '*' from pattern name so we get a gen_setcc4.
6410 (movv4sf_internal, movv4si_internal, movv8qi_internal,
6411 movv4hi_internal, movv2si_internal, movv8qi, movv4hi, movv2si,
6412 movv4sf, movv4si, pushv4sf, pushv4si, pushv8qi, pushv4hi, pushv2si,
6413 sse_movaps, sse_movups, sse_movmskps, mmx_pmovmskb, mmx_maskmovq,
6414 sse_movntv4sf, sse_movntdi, sse_movhlps, sse_movlhps, sse_movhps,
6415 sse_movlps, sse_loadss, sse_movss, sse_storess, sse_shufps,
6416 addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, mulv4sf3, vmmulv4sf3,
6417 divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2, rsqrtv4sf2, vmrsqrtv4sf2,
6418 sqrtv4sf2, vmsqrtv4sf2, sse_andti3, sse_nandti3, sse_iorti3,
6419 sse_xorti3, maskcmpv4sf3, maskncmpv4sf3, vmmaskcmpv4sf3,
6420 vmmaskncmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
6421 smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
6422 cvttps2pi, cvtsi2ss, cvtss2si, cvttss2si, addv8qi3, addv4hi3,
6423 addv2si3, ssaddv8qi3, ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3,
6424 subv4hi3, subv2si3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
6425 mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
6426 mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3, mmx_uavgv8qi3,
6427 mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pextrw, mmx_pshufw,
6428 eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3, gtv2si3, umaxv8qi3,
6429 smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3, ashrv2si3, lshrv4hi3,
6430 lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3, mmx_ashldi3,
6431 mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
6432 mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
6433 mmx_punpckldq, emms, sfence, ldmxcsr, prefetch, stmxcsr, sse_clrti,
6434 mmx_clrdi): New patterns.
6436 2000-09-08 Richard Earnshaw <rearnsha@arm.com>
6438 * arm.c: Don't include tm.h directly.
6440 Fri Sep 8 14:34:56 MET DST 2000 Jan Hubicka <jh@suse.cz>
6442 * recog.c (validate_replace_rtx_1): Fix confusion about equality
6443 testing; simplify subregs of constants and nested subregs.
6445 2000-09-08 Alexandre Oliva <aoliva@redhat.com>
6447 * config/sh/sh.md (symPLT_label2reg): Use operand3 for PIC reg.
6449 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
6451 * combine.c (combine_simplify_rtx): Try to simplify VEC_SELECT of a
6453 * rtl.texi (description of USE): Add note about possible pitfalls
6455 From Richard Henderson:
6456 * reload1.c (choose_reload_regs): Compute need_mode properly.
6458 2000-09-07 Richard Henderson <rth@cygnus.com>
6460 * config/ia64/lib1funcs.asm (__divsi3): Use .s1 for frcpa.
6461 (__modsi3, __umodsi3): Likewise.
6462 (__udivsi3): Likewise. Normalize the TFmode values.
6464 2000-09-07 Geoff Keating <geoffk@cygnus.com>
6466 * config/rs6000/sol-c0.c (_start): Declare `termfunc' parameter
6468 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Use cast to suppress
6471 Fri Sep 8 03:26:38 2000 J"orn Rennecke <amylaar@redhat.co.uk>
6473 * sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): Remove.
6474 (cmpeqdi_t): Add output pattern.
6475 (cmpeqdi_t+1): Don't split when not optimizing.
6476 Restore proper splitting operation.
6478 2000-09-07 Richard Henderson <rth@cygnus.com>
6480 * c-lex.c (process_directive): If not HANDLE_GENERIC_PRAGMAS,
6481 do not call dispatch_pragma.
6483 2000-09-07 Jim Wilson <wilson@cygnus.com>
6485 * reload.c (push_reload): Use CLASS_CANNOT_CHANGE_MODE_P in addition
6486 to CLASS_CANNOT_CHANGE_MODE.
6487 * config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE_P): True only if the
6488 mode classes are different.
6490 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
6492 * cpplib.h (struct cpp_options): Add user_label_prefix member,
6493 left out of commit which removed cppulp.c.
6495 2000-09-07 Richard Henderson <rth@cygnus.com>
6497 * bb-reorder.c (fixup_reorder_chain): Add jump in new block
6498 after switch for CASE_DROPS_THROUGH.
6500 2000-09-07 Richard Henderson <rth@cygnus.com>
6502 * loop.c (strength_reduce): Call check_ext_dependant_givs.
6503 Properly extend the biv initial value for the giv.
6504 (record_biv): Zero ext_dependant.
6505 (record_giv): New argument ext_val. Update all callers.
6506 (general_induction_var): Likewise.
6507 (consec_sets_giv): Likewise.
6508 (simplify_giv_expr): Likewise. Fill in ext_val if we find
6509 a sign-extend, zero-extend, or truncate.
6510 (combine_givs_p): Make sure modes are compatible.
6511 (check_ext_dependant_givs): New.
6512 (extend_value_for_giv): New.
6513 * loop.h (struct induction): Add ext_dependant.
6514 * unroll.c (iteration_info): Extend the biv initial value for the giv.
6515 (find_splittable_givs): Likewise.
6516 (final_giv_value): Likewise.
6518 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
6520 * c-pragma.h: Define HANDLE_GENERIC_PRAGMAS if
6521 REGISTER_TARGET_PRAGMAS is defined. Duplicate some
6522 definitions from cpplib.h.
6523 * cpplib.h: Don't typedef struct cpp_reader if c-pragma.h has
6525 * tm.texi: Document HANDLE_PRAGMA as no longer supported. Add
6526 documentation for REGISTER_TARGET_PRAGMAS.
6528 * c-lex.c: Include cpplib.h before c-pragma.h. Define a
6529 default-pragma callback to implement -Wunknown-pragmas if
6531 * c-parse.in: Move all includes to top of file.
6532 * c-pragma.c: Include cpplib.h before c-pragma.h. Include
6534 (dispatch_pragma): Put the namespace in the -Wunknown-pragmas
6536 (init_pragma): If REGISTER_TARGET_PRAGMAS is defined, call it.
6538 * arm.h, arm-protos.h, arm.c,
6539 c4x.h, c4x-protos.h, c4x.c,
6540 h8300.h, h8300-protos.h, h8300.c,
6541 i370.h, i370-protos.h, i370.c,
6542 i960.h, i960-protos.h, i960.c,
6543 sh.h, sh-protos.h, sh.c,
6544 v850.h, v850-protos.h, v850.c: Convert HANDLE_PRAGMA-based
6545 pragmata scheme to use REGISTER_TARGET_PRAGMAS instead.
6547 * d30v.h: Don't mention HANDLE_PRAGMA in comment. Add
6548 multiple include guard.
6549 * i370.md (untyped_call): Use GEN_CALL.
6550 (umodsi3): Remove unused variable.
6551 * sh/elf.h: Don't undef HANDLE_SYSV_PRAGMA.
6552 * v850.c (output_move_single, output_move_double): Constify
6554 (print_operand): Constify a char *.
6555 * v850.h (struct small_memory_info): Constify name member.
6557 2000-09-07 Kazu Hirata <kazu@hxi.com>
6559 * config/h8300.h: Fix comment typos.
6560 * config/h8300/h8300.md: Likewise.
6561 * config/h8300/lib1funcs.asm: Likewise.
6563 Thu 07-Sep-2000 21:29:00 BST Neil Booth <NeilB@earthling.net>
6565 * Makefile.in: Remove references to cppulp.{c,o}.
6566 * cppinit.c (initialize_builtins, cpp_start_read,
6567 cpp_handle_option): Update to use cpp_options structure.
6570 2000-09-07 Joseph S. Myers <jsm28@cam.ac.uk>
6572 * c-common.c (time_char_table): Allow %#b and %#h.
6574 2000-09-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6576 * reorg.c (find_end_label): If the basic block reorder pass moves the
6577 return insn to some other place try to locate it again and put our
6578 end_of_function_label there.
6579 * reorg.c (relax_delay_slots): Check if find_end_label created a
6580 new label that invalidates the current optimazation.
6582 2000-09-07 Catherine Moore <clm@redhat.com>
6584 * unroll.c (unroll_loop): Check for unconditional jumps
6585 to loop continuation. Delete if n_iterations is 1.
6586 (ujump_to_loop_cont): New routine.
6588 2000-09-07 Bernd Schmidt <bernds@redhat.co.uk>
6590 * rtl.c (class_narrowest_mode): Add entries for MODE_VECTOR_INT and
6592 * reload.c (regno_clobbered_p): Accept new arg, MODE, and use it
6593 to handle multiword modes correctly. All callers and the declaration
6596 2000-09-06 Mark Mitchell <mark@codesourcery.com>
6598 * c-common.h (prep_stmt): Declare.
6599 (lang_expand_stmt): Likewise.
6600 * c-decl.c (lang_expand_stmt): Remove.
6601 * c-semantics.c (lang_expand_stmt): Define.
6602 (prep_stmt): New function.
6603 (expand_stmt): Handle common statement types here.
6605 2000-09-07 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>, Alexandre Oliva <aoliva@redhat.com>
6607 * configure.in (sh-*-linux*): Added.
6608 * configure: Rebuilt.
6609 * config/sh/t-linux: New file.
6610 * config/sh/sh.h (USERMODE_BIT): Define.
6611 (TARGET_USERMODE): Likewise.
6612 (TARGET_SWITCHES): New switches for the bits above.
6613 (INITIALIZE_TRAMPOLINE): Call __ic_invalidate in USERMODE.
6614 * config/sh/linux.h: New file.
6615 * config/sh/lib1funcs.asm (GLOBAL): Don't prefix symbols with
6616 underscore on linux.
6617 (L_sdivsi3, L_udivsi3): Define for linux.
6618 (L_ic_invalidate): Define.
6619 * invoke.texi (SH Options): Document -musermode.
6621 2000-09-07 Alexandre Oliva <aoliva@redhat.com>
6623 * config/sh/sh.h (OVERRIDE_OPTIONS): Don't disable function
6624 CSE unless generating PIC.
6626 * config/sh/sh.md (symPLT_label2reg): Force the initialization of
6629 2000-09-06 H.J. Lu (hjl@gnu.org)
6631 * Makefile.in (clean_s1): Depend on stage_b.
6632 (clean_s2): Depend on stage_d. Don't remove $(VOL_FILES) in
6633 stage2. They are used for "make compare".
6635 2000-09-06 Mark Mitchell <mark@codesourcery.com>
6637 Move statement-tree facilities from C++ to C front-end.
6638 * c-common.h (c_tree_index): Add CTI_VOID_ZERO.
6639 (void_zero_node): New macro.
6640 (struct stmt_tree_s): New type.
6641 (stmt_tree): New typedef.
6642 (struct language_function): New type.
6643 (last_tree): New macro.
6644 (last_expr_type): Likewise.
6645 (walk_tree_fn): New typedef.
6646 (current_stmt_tree): New function.
6647 (begin_stmt_tree): Likewise.
6648 (add_stmt): Likewise.
6649 (finish_stmt_tree): Likewise.
6650 (statement_code_p): Likewise.
6651 (lang_statement_code_p): New variable.
6652 (walk_stmt_tree): New function.
6653 (STMT_IS_FULL_EXPR_P): New macro.
6654 * c-common.c (lang_statement_code_p): New variable.
6655 (c_common_nodes_and_builtins): Initialize void_zero_node.
6656 (statement_code_p): New function.
6657 (walk_stmt_tree): Likewise.
6658 * c-decl.c (language_function): Rename to ...
6659 (c_language_function): ... this. Include language_function.
6660 (push_c_function_context): Adjust accordingly.
6661 (pop_c_function_context): Likewise.
6662 (mark_c_function_context): Likewise.
6663 (current_stmt_tree): Define.
6664 * c-semantics.c (begin_stmt_tree): New function.
6665 (add_stmt): Likewise.
6666 (prune_unused_decls): Likewise.
6667 (finish_stmt_tree): Likewise.
6669 2000-09-06 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6671 * flow.c (insn_dead_p): Detect dead memory stores with auto increments.
6673 2000-09-06 Kazu Hirata <kazu@hxi.com>
6675 * calls.c: Fix formatting.
6677 2000-09-06 Graham Stott <grahams@cygnus.co.uk>
6679 * config/i386/i386.h (ADDRESS_COST): Fix typo.
6681 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
6683 Integrated preprocessor.
6685 * Makefile.in: Remove all references to c-parse.gperf,
6686 c-gperf.h, and c-parse.h. Remove -d from yacc command line
6687 generating c-parse.c. Update dependencies.
6688 * c-parse.gperf, c-gperf.h: Delete.
6690 * c-common.c: Don't define parse_options, cpp_token, yy_cur,
6691 yy_lim, or yy_get_token. Don't define get_directive_line if
6693 * c-common.h: Add multiple include guard. Define RID values
6694 for every keyword in C, C++, and Objective C. Put all the
6696 (struct c_fileinfo, get_fileinfo, dump_time_statistics): New.
6697 * c-decl.c (c_decode_option): Handle -lang-objc here.
6698 (print_lang_identifier): Handle C_IS_RESERVED_WORD case.
6699 (grokdeclarator): Adjust for new RID scheme.
6700 (extract_interface_info): New stub.
6701 * c-lang.c: Don't declare yy_cur or parse_options.
6702 (lang_init_options): Call cpp_init. Don't call
6704 (lang_init): Don't call check_newline if USE_CPPLIB.
6706 * c-lex.c: Don't include c-parse.h. Do include timevar.h.
6707 Elide lots of unnecessary code if USE_CPPLIB. Delete code
6708 rendered unnecessary by new architecture. Move routines not
6709 shared with C++ to c-parse.in. Maintain a local idea of the
6710 line number. Handle C++ as well as C.
6711 [USE_CPPLIB]: Declare and register callbacks for #ident and
6712 for entering/leaving files.
6713 (init_c_lex, c_lex): Are now the entry points to this file.
6714 (check_newline): Break out directive handling to
6716 (read_ucs, is_extended_char, utf8_extend_token): Moved here
6718 (readescape, parse_float): Overhaul.
6719 (lex_number, lex_string, lex_charconst): Break out of c_lex
6721 (get_fileinfo, update_header_times, dump_one_header,
6722 dump_time_statistics): New and/or moved here from C++.
6723 Support per-file data needed by C++ and per-header timing
6724 statistics (C++ only, at the moment).
6725 * c-lex.h: Update prototypes. Add multiple include guard.
6726 * c-tree.h (struct lang_identifier): Add rid_code field.
6727 (C_IS_RESERVED_WORD, C_RID_CODE): New.
6729 * c-parse.in: Include c-pragma.h. Remove unnecesary calls to
6730 reinit_parse_for_function and/or position_after_white_space.
6731 (save_filename, save_lineno): Look ahead before saving.
6732 (label -> identifier ':'): Save file and line before shifting ':'.
6733 (reservedwords): No need to call get_identifier.
6734 (init_parse, finish_parse, yyerror, yylex, yyprint,
6735 make_pointer_declarator): Are now here for C/ObjC.
6736 (rid_to_yy): Conversion table from RID constants to Yacc codes.
6738 * c-pragma.c: Rewrite parsing logic to fit with cpplib's
6739 #pragma registry. Provide dummy implementation of that
6740 interface if !USE_CPPLIB.
6741 * c-pragma.h: Update to match.
6743 * flags.h: Add multiple include guard.
6744 (flag_detailed_statistics): Moved here from C++.
6745 * toplev.c: Define flag_detailed_statistics.
6747 * gcc.c (C specs): Use %(trad_capable_cpp) for -E|-M|-MM case
6749 * timevar.def (TV_CPP, TV_LEX): New.
6750 * timevar.h: Add multiple include guard.
6752 * objc/lang-specs.h: Use %(trad_capable_cpp) for -E|-M|-MM case
6754 * objc/objc-act.c: Don't mention yy_cur or parse_options.
6755 Initialize cpplib properly. Force lineno to 0 after first
6756 call to check_newline. Don't handle -lang-objc here.
6757 Move forget_protocol_qualifiers and remember_protocol_qualifiers here.
6759 2000-09-06 David Edelsohn <edelsohn@gnu.org>
6761 * rs6000.md: Correct function unit definitions for cr_logical and
6763 (sCOND): Additionally fail for sgt, slt, sge, sle if !TARGET_POWER
6764 and use portable method for >=0 and floating point >=. Remove
6765 associated matchers.
6767 2000-09-06 Mark Mitchell <mark@codesourcery.com>
6769 * extend.texi: Mark named return value extension as deprecated.
6771 2000-09-06 Geoff Keating <geoffk@cygnus.com>
6773 * config/rs6000/rs6000.c (rs6000_reverse_condition): Return
6776 2000-09-06 Gabriel Dos Reis <gdr@codesourcery.com>
6778 * toplev.c (display_help): Fix thinko in documentation.
6780 * diagnostic.h (output_buffer::indent_skip): New fields.
6781 (output_indentation): New macro.
6783 * diagnostic.c (output_indent): New function.
6784 (output_set_prefix, clear_diagnostic_info): Use.
6785 (output_emit_prefix): Predict future indentation.
6787 2000-09-06 DJ Delorie <dj@redhat.com>
6789 * Makefile.in (stage_*): add more dependencies to ensure parallel
6790 builds build correctly
6792 2000-09-06 Manfred Hollstein <manfredh@redhat.com>
6794 * Makefile.in (bootstrap-lean): Depend on bootstrap-lean_g,
6795 not bootstrap-lean_f.
6797 2000-09-06 Andreas Schwab <schwab@suse.de>
6799 * mklibgcc.in: Emit rule for libgcc-stage-start.
6800 * Makefile.in (stage1-start, stage2-start, stage3-start,
6801 stage4-start): Don't handle libgcc here, use libgcc.mk instead.
6803 2000-09-06 Bernd Schmidt <bernds@redhat.co.uk>
6805 * local-alloc.c (local_alloc): Ignore CLASS_LIKELY_SPILLED.
6806 (update_equiv_regs): Likewise, except for the mn10200 kludge.
6807 (combine_regs): Likewise.
6809 * Makefile.in (cse.o): Depend on $(BASIC_BLOCK_H).
6810 * cse.c: Include "basic-block.h".
6811 (struct table_elt): New field REGCOST.
6812 (CHEAP_REG): Delete macro.
6813 (COST): Return 0 for REGs.
6814 (approx_reg_cost_1, approx_reg_cost, preferrable): New functions.
6815 (notreg_cost): Return 0 for appropriate SUBREGs.
6816 (COSTS_N_INSNS): Return N * 2.
6817 (rtx_cost): Return 0 for REGs, and use cost of nested rtx for cheap
6819 (CHEAPER): Use new function preferrable.
6820 (insert): Initialize REGCOST member.
6821 (find_best_addr): Use approx_reg_cost for estimation of register
6823 (cse_insn): Likewise.
6824 * loop.c (iv_add_mult_cost): New function.
6825 (add_cost, shift_cost, mult_cost): Delete variables.
6826 (init_loop): Don't initialize add_cost; reduce copy_cost by half.
6827 (strength_reduce): Use iv_add_mult_cost instead of fixed add_cost.
6828 Make code that detects autoinc opportunities slightly less optimistic.
6829 (simplify_giv_expr): If expression contains other reg that is also a
6830 giv, only increment benefit if this is the only use of that reg.
6831 (consec_sets_giv): Take that change into account.
6832 (combine_givs): Slightly more verbose output.
6834 * i386.h (RTX_COSTS): For MULT, return true cost of multiplication,
6835 not the cost of an equivalent shift.
6836 * sh-protos.h (addsubcosts): Declare.
6837 * sh.c (addsubcosts): New function.
6838 * sh.h (CONST_COSTS): If CONST_OK_FOR_I, then return 0.
6839 (RTX_COSTS): Tweak. Use addsubcosts.
6840 (ADDRESS_COST): Return higher cost for reg+reg addressing.
6842 2000-09-06 Geoff Keating <geoffk@cygnus.com>
6844 * config/rs6000/rs6000.c (validate_condition_mode): New function.
6845 (branch_comparison_operator): Call validate_condition_mode to
6846 abort rather than returning 0.
6847 (branch_positive_comparison_operator): New function.
6848 (scc_comparison_operator): Call validate_condition_mode to abort
6849 rather than returning 0.
6850 (ccr_bit): Call validate_condition_mode. Update for
6852 (print_operand): Delete %C modifier. Update %E case
6853 to use EQ bit not SO bit.
6854 (rs6000_reverse_condition): New function.
6855 (rs6000_generate_compare): New function.
6856 (rs6000_emit_sCOND): New function.
6857 (rs6000_emit_cbranch): New function.
6858 (output_cbranch): The length of a long branch insn is
6859 now only 8 bytes. Add validate_condition_mode. Use
6860 rs6000_reverse_condition. Remove cror generation.
6862 * config/rs6000/rs6000.h: Update comments.
6863 (PREDICATE_CODES): Add new predicate. Update codes used
6864 by branch_comparison_operator and scc_comparison_operator.
6865 * config/rs6000/rs6000-protos.h: Add prototypes for
6866 new external functions.
6867 * config/rs6000/rs6000.md: Add new scheduling parameters
6868 for cr_logical instructions. Change length of branch
6870 (bCOND patterns): Call rs6000_emit_cbranch.
6871 (sCOND patterns): Call rs6000_emit_sCOND.
6872 (branch patterns): Change lengths to 4.
6873 (cr logical patterns): New.
6875 2000-09-06 Richard Henderson <rth@cygnus.com>
6877 * config/i386/i386.md (call_pop): Fix test for setting
6878 current_function_uses_pic_offset_table.
6879 (call, call_value_pop, call_value): Likewise.
6881 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
6883 * timevar.c (timevar_add): Delete.
6884 (timevar_get): Also count time since the selected timer was
6885 last updated. Do not examine the timevar stack if the
6886 selected timer is standalone.
6888 2000-09-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
6890 * gthr-dce.h (__gthread_objc_mutex_deallocate): Free mutex->backend.
6892 2000-09-05 Jason Merrill <jason@redhat.com>
6894 * c-decl.c (finish_incomplete_decl): Don't call complete_array_type
6895 for 'extern' arrays.
6897 2000-09-05 Richard Henderson <rth@cygnus.com>
6899 * config/ia64/lib1func.asm (__divtf3): Rebundle for Itanium.
6900 Eliminate final copy from non-trapping case.
6901 (__divdf3, __divsf3): Likewise.
6903 2000-09-05 Richard Henderson <rth@cygnus.com>
6905 * config/ia64/ia64.md (mulhi3): Fix typo last change.
6906 * config/ia64/lib1func.asm (__divdi3, __udivdi3, __umodsi3): Likewise.
6908 2000-09-03 Donn Terry <donn@interix.com>, Laurynas Biveinis <lauras@softhome.net>
6910 * Makefile.in: Restructure bootstrap stages to allow clean
6911 restart after failure.
6913 2000-09-05 Richard Henderson <rth@cygnus.com>
6915 * config/ia64.md (movsi and movdi patterns): Allow moves from
6916 8-bit constants to AR registers.
6918 2000-09-05 Richard Henderson <rth@cygnus.com>
6920 * config/ia64/ia64.md (mulhi3): New.
6922 2000-09-05 Richard Henderson <rth@cygnus.com>
6924 * config/ia64/ia64.h (INIT_TARGET_OPTABS): Remove.
6925 * config/ia64/lib1funcs.asm (__divdi3): Update from Intel IA-64
6926 Optimization Guide, minimum latency alternative.
6927 (__moddi3, __udivdi3, __umoddi3): Likewise.
6928 (__divsi3, __modsi3, __udivsi3, __umodsi3): Likewise.
6930 2000-09-05 Bruce Korb <bkorb@gnu.org>
6932 * fixinc/fixincl.c (load_file): always read header files
6933 with sizes that are a multiple of the page size.
6934 & use libiberty's getpagesize for determining that.
6936 2000-09-05 Alexandre Oliva <aoliva@redhat.com>
6938 * gcse.c (hash_string_1): Add prototype.
6939 * cse.c (canon_hash_string): Likewise.
6941 2000-09-04 Craig Newell <CraigN@ieee.org>
6943 * gcc.c: Undefine "__WCHAR_TYPE__" before redefining it.
6945 2000-09-04 Andreas Schwab <schwab@suse.de>
6947 * Makefile.in (STAGESTUFF): Remove libgcc.
6948 (stage1-start, stage2-start, stage3-start): Copy the contents of
6949 the libgcc directory explicitly.
6950 (mostlyclean): Clean libgcc.
6952 2000-09-04 Andrew Haley <aph@redhat.com>
6954 * dwarf2out.c: (stack_adjust_offset): New prototype.
6956 Wed Jan 1 00:23:59 MET 1997 Jan Hubicka <jh@suse.cz>
6958 * combine.c (make_extraction): Fix rtx_cost comparison to
6961 Wed Jan 1 00:17:32 MET 1997 Jan Hubicka <jh@suse.cz>
6963 * i386.md (pushsi2, pushhi2, pophi2, swapsf, swapdf,
6964 umulsi3_highpart, smulsi3_highpart, testqi_ccno_1, xorqi_ext_1):
6965 Add '*' to insn pattern name.
6967 2000-09-04 Jakub Jelinek <jakub@redhat.com>
6969 * cpplex.c (ON_REST_ARG): Check VAR_ARGS flag of current context,
6970 use posn - 1 to index into tokens array.
6971 (maybe_paste_with_next): Adjust caller.
6973 2000-09-03 Geoff Keating <geoffk@cygnus.com>
6975 * invoke.texi: Document the -mvxworks option for rs6000 ELF.
6977 * config/rs6000/rs6000.h: Update various comments about XER_REGNO.
6978 (REGNO_REG_CLASS): Use symbolic register
6981 2000-09-03 Richard Earnshaw <rearnsha@arm.com>
6983 * arm.c (final_prescan_insn): If the form of a jump insn isn't
6984 recognized, don't try to conditionally execute it.
6986 Sun Sep 3 13:10:56 2000 Denis Chertykov <denisc@overta.ru>
6988 * config/avr/avr.md ("*tablejump_lib"): New pattern.
6989 (call_value_insn): Right length claculation.
6990 (call_insn): Likewise.
6992 2000-09-02 Marek Michalkiewicz <marekm@linux.org.pl>
6994 * config/avr/avr-protos.h, config/avr/avr.c (unique_section,
6995 gas_output_limited_string, gas_output_ascii, output_movqi,
6996 output_movhi, out_movqi_r_mr, out_movqi_mr_r, out_movhi_r_mr,
6997 out_movhi_mr_r, out_movsi_r_mr, out_movsi_mr_r, output_movsisf,
6998 out_tstsi, out_tsthi, ret_cond_branch, ashlqi3_out, ashlhi3_out,
6999 ashlsi3_out, ashrqi3_out, ashrhi3_out, ashrsi3_out, lshrqi3_out,
7000 lshrhi3_out, lshrsi3_out, output_reload_inhi, output_reload_insisf,
7001 out_shift_with_cnt, ptrreg_to_str, cond_string, encode_section_info):
7002 Add "const" as needed to remove warnings.
7004 * config/avr/avr.c (avr_override_options, avr_init_once,
7005 function_prologue, function_epilogue, frame_pointer_required_p,
7006 class_likely_spilled_p, order_regs_for_local_alloc,
7007 avr_address_cost, avr_ret_register): Use K&R style arguments.
7008 (initial_elimination_offset, gas_output_limited_string):
7009 Remove ATTRIBUTE_UNUSED from the used arguments.
7010 (output_mov*, out_mov*_r_mr, out_mov*_mr_r, output_reload_insisf):
7011 Use local variables src, dest, base to access operands[].
7012 Rename reg_dest to reg_src if that's what it is.
7013 (output_movhi, output_movsisf): Optimize loading 8-bit immediate
7014 constants to LD_REGS if reg_was_0.
7015 (output_reload_insisf): Change arg 3 to insn length and set it.
7016 (out_movhi_r_mr, out_movhi_mr_r): Use in/out for more efficient
7017 access to 16-bit I/O register pairs.
7018 (avr_address_cost): Lower cost for the above case.
7019 (out_tsthi): Use "or" (faster) instead of "sbiw" if the operand
7020 may be clobbered, also for LD_REGS.
7021 (adjust_insn_length): Correct insn length for iorhi3 and iorsi3
7024 * config/avr/avr.h (PTRDIFF_TYPE): Make signed.
7026 * config/avr/avr.md: Change all uses of the TEST_HARD_REG_CLASS
7027 macro to test_hard_reg_class function.
7028 (*movsi, *movsf): Change "cc" attribute from "clobber" to "none"
7029 for loading immediate constants to LD_REGS.
7030 (andsi3, cmphi, cmpsi): Add return statements to avoid warnings.
7033 Sat Sep 2 13:58:23 2000 Marek Michalkiewicz <marekm@linux.org.pl>
7035 * config/avr/avr.md ("*negsi2"): substitute %@ to __zero_reg__
7036 * config/avr/libgcc.S: Lost part of the previous patch.
7038 2000-08-31 J. David Anglin <dave@hiauly1.hia.nrc.ca>
7040 * gthr-dce.h (__gthread_objc_mutex_allocate): Create a pthread_mutex_t
7041 object before calling pthread_mutex_init.
7043 2000-09-02 Alexandre Oliva <aoliva@redhat.com>
7045 * config/sh/t-elf, config/sh/crt1.asm, config/sh/crti.asm,
7046 config/sh/crtn.asm: New files.
7047 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Set.
7048 (crt1.o, crti.o, crtn.o): New targets.
7049 * configure.in [sh-*-elf*, sh-*-rtemself*] (tmake_file): Added
7051 * configure: Rebuilt.
7052 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
7053 STARTFILE_SPEC, ENDFILE_SPEC, CRT_CALL_STATIC_FUNCTION): Define.
7054 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
7055 Undefine for config/elfos.h to redefine.
7056 (STARTFILE_SPEC, ENDFILE_SPEC): Redefine after config/elfos.h.
7058 2000-09-02 Alexandre Oliva <aoliva@redhat.com>, Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
7060 * config/sh/sh-protos.h (nonpic_symbol_mentioned_p,
7061 legitimize_pic_address, output_pic_addr_const): Declare.
7062 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Fix PIC register.
7063 (PREFERGOT_BIT, TARGET_PREFERGOT): Likewise.
7064 (TARGET_SWITCHES): New switch -mprefergot.
7065 (OVERRIDE_OPTIONS): Set flag_no_function_cse unless -mprefergot.
7066 (PIC_OFFSET_TABLE_REGNUM): Define.
7067 (GOT_SYMBOL_TABLE): Likewise.
7068 (LEGITIMIZE_ADDRESS): Use legitimize_pic_address.
7069 (ENCODE_SECTION_INFO): Define.
7070 (FINALIZE_PIC): New macros.
7071 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST_P): New macro.
7072 (ASM_OUTPUT_INT, ASM_OUTPUT_SHORT): Use output_pic_addr_const.
7073 * config/sh/sh.c (print_operand_address): Use output_pic_addr_const.
7074 (prepare_move_operands): Call emit_pic_move or
7075 emit_pic_const_move if appropriate.
7076 (output_far_jump): For PIC, use braf and output long offset.
7077 (machine_dependent_reorg):
7078 (sh_expand_prologue): Save and initialize the PIC register.
7079 (sh_expand_epilogue): Restore it.
7080 (initial_elimination_offset): Account for it.
7081 (nonpic_symbol_mentioned_p): New function.
7082 (legitimize_pic_address): Likewise.
7083 (output_pic_addr_const): Likewise.
7084 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): New insns.
7085 (call, call_value): Use them.
7086 (GOTaddr2picreg, sym_label2reg, symGOT2reg, symGOTOFF2reg,
7087 symPLT_label2reg): New expands.
7088 * invoke.texi (SH Options): Document -mprefergot.
7090 2000-09-01 Alexandre Oliva <aoliva@redhat.com>
7092 * rtl.h (ASM_OPERANDS_INPUT_CONSTRAINT_EXP): New macro.
7093 * gcse.c (hash_string_1): New function.
7094 (hash_expr_1) <ASM_OPERANDS>: Disregard filename and line number.
7095 (expr_equiv_p) <ASM_OPERANDS>: Likewise.
7096 * cse.c (rtx_cost): Don't increase the cost of ASM_OPERANDS.
7097 (canon_hash_string): New function.
7098 (canon_hash) <ASM_OPERANDS>: Disregard filename and line number.
7099 (exp_equiv_p) <ASM_OPERANDS>: Likewise.
7100 (fold_rtx): Use ASM_OPERANDS accessor macros.
7101 * emit-rtl.c (copy_insn_1): Likewise.
7102 * integrate.c (copy_rtx_and_substitute): Likewise.
7103 * stmt.c (expand_asm_operands): Likewise. Give an
7104 ASM_OPERANDS rtx the mode of the output reg being set from it.
7106 2000-09-01 Fred Fish <fnf@be.com>
7108 * fix-header.c (write_rbrac): Add putc and getc to list of
7109 functions to protect against prior definition as a macro.
7111 2000-09-01 Joseph S. Myers <jsm28@cam.ac.uk>
7113 * c-common.h (enum c_tree_index): Add CTI_C_SIZE_TYPE.
7114 (c_size_type_node): Define.
7115 * c-decl.c (init_decl_processing): Initialize c_size_type_node.
7116 * c-common.c (enum format_lengths, enum format_std_version,
7117 format_length_info, format_type_detail, BADLEN, NOLENGTHS,
7118 format_kind_info, printf_length_specs, scanf_length_specs, T89_I,
7119 T99_I, T89_L, T99_LL, TEX_LL, T89_S, T89_UI, T99_UI, T89_UL,
7120 T99_ULL, TEX_ULL, T89_US, T89_F, T99_F, T89_D, T99_D, T89_LD,
7121 T99_LD, T89_C, T99_SC, T99_UC, T89_V, T94_W, TEX_W, T94_WI,
7122 TEX_WI, T99_ST, T99_SST, T99_PD, T99_UPD, T99_IM, T99_UIM,
7123 format_types): Define.
7124 (format_char_info, print_char_table, scan_char_table,
7125 time_char_table): Rearrange for new organization of information
7126 about format length modifiers and standard versions.
7127 (T_ST): Redefine to use c_size_type_node.
7128 (check_format_info): Obtain information about length modifiers and
7129 standard versions from tables. Adjust warning message wordings.
7130 Use the name from the user's program for `ll' and `hh' length
7131 modifiers in warning messages. Use more informative names for
7132 wanted types where available (for wchar_t, wint_t, size_t, signed
7133 size_t, ptrdiff_t, unsigned ptrdiff_t, intmax_t and uintmax_t).
7135 2000-09-01 Jim Wilson <wilson@cygnus.com>
7137 * calls.c (emit_call_1): Add REG_NORETURN note to call if ECF_NORETURN.
7138 * combine.c (distribute_notes): Handle REG_NORETURN.
7139 * rtl.c (reg_note_name): Add REG_NORETURN.
7140 * rtl.h (enum reg_note): Likewise.
7142 * config/ia64/ia64-protos.h (emit_safe_across_calls): Renamed from
7144 * config/ia64/ia64.c (emit_safe_across_calls): Likewise.
7145 (rtx_needs_barrier): Handle unspec_volatile 8 and 9.
7146 (emit_predicate_relation_info): Handle conditional calls with
7148 * config/ia64/ia64.h (ASM_FILE_START): Call emit_safe_across_calls
7149 instead of ia64_file_start.
7150 * config/ia64/sysv4.h (ASM_FILE_START): Likewise.
7151 * config/ia64/ia64.md (safe_across_calls_all,
7152 save_across_calls_normal): New patterns.
7154 * loop.c (check_final_value): Check for biv use before checking for
7155 giv use. Check for both biv and giv uses. Always set last_giv_use
7156 if there is a giv use.
7158 2000-09-01 Richard Henderson <rth@cygnus.com>
7160 * config/ia64/ia64.md (mulsi3): Use grfr_register_operand.
7161 (madddi3): Likewise.
7164 Fri Sep 1 10:59:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7166 * expr.c (clear_storage): Don't use emit_move_insn unless
7167 either BLKmode or proper size.
7168 (store_constructor): Don't call clear_storage if REG of wrong size.
7170 * flow.c (init_propagate_block_info): Don't mark frame dead at end
7171 of function if returns wiht stack pointer depressed.
7173 2000-09-01 Andrew Haley <aph@redhat.com>
7175 * dwarf2out.c (stack_adjust_offset): New function.
7176 (dwarf2out_stack_adjust): Break out stack adjust logic into
7177 new stack_adjust_offset function. Look inside parallels and
7178 sequences for stack adjustments.
7180 2000-08-31 Jeff Law <law@cygnus.com>
7182 * arm.md: Use no_new_pseudos to determine when it is safe
7183 to create new pseudo registers.
7185 * arm.c (legitimize_pic_address): Use no_new_pseudos to determine
7186 when we can safely allocate new registers.
7188 2000-08-31 Geoffrey Keating <geoffk@cygnus.com>
7190 * stmt.c (expand_asm_operands): Twiddle generating_concat_p
7191 so that CONCATs are not generated for ASMs.
7192 * emit-rtl.c (gen_reg_rtx): Don't generate CONCATs when
7193 not generating_concat_p.
7194 * function.c (pop_function_context_from): Reset
7195 generating_concat_p.
7196 (prepare_function_start): Likewise.
7197 * rtl.c (generating_concat_p): Define.
7198 * rtl.h (generating_concat_p): Declare.
7199 * toplev.c (rest_of_compilation): No CONCATs after RTL generation.
7201 2000-08-22 Philipp Thomas <pthomas@suse.de>
7202 Masanobu Yuhara <yuhara@flab.fujitsu.co.jp>
7204 * gmicro.h (TARGET_SWITCHES): Add descriptions and mark them
7207 2000-08-30 Greg McGary <greg@mcgary.org>
7209 * Makefile.in (fixinc.sh): Pass CC, CFLAGS and LDFLAGS to mkfixinc.sh
7210 * fixinc/Makefile.in (fixincl): Pass $(LDFLAGS) to $(CC).
7211 * fixinc/mkfixinc.sh: Pass $CC, $CFLAGS and $LDFLAGS to $MAKE.
7213 2000-08-30 Greg McGary <greg@mcgary.org>
7215 * tree.h (struct tree_int_cst): Wrap low and high in a sub-struct.
7216 (TREE_INT_CST_LOW, TREE_INT_CST_HIGH): Access through sub-struct.
7217 (TREE_INT_CST): New macro.
7218 * varasm.c (const_hash, compare_constant_1, record_constant_1):
7219 Use new macro TREE_INT_CST.
7221 Wed 30-Aug-2000 23:18:59 BST Neil Booth <NeilB@earthling.net>
7223 * contrib.texi: Add self.
7225 2000-08-30 Alexandre Oliva <aoliva@redhat.com>
7227 * config/sh/sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): New insns.
7228 (cmpeqdi_t splitter): Use cmpeqsi_and_t instead of emitting jumps
7231 2000-08-30 J. David Anglin <dave@hiauly1.hia.nrc.ca>
7233 * fixinc/gnu-regex.c: Don't define `const'.
7235 Tue Aug 29 22:09:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7237 * expr.c (store_constructor): Allow variable bounds of array type.
7238 (expand_expr): Don't blow up if type is ERROR_MARK.
7239 * varasm.c (output_constructor): Don't access lower bound of array
7240 type unless need it if index is supplied (so it can be a variable
7241 if no index is supplied).
7242 Use tree_low_cst; use HOST_WIDE_INT for sizes; change BITPOS to POS.
7243 Other minor cleanups.
7245 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
7247 * Makefile.in: Revamp handling of cflags to allow different WARN_CFLAGS
7248 for compilations in stage 1 and subsequent stages, respectively.
7249 * configure.in (vax): Add compiler-dependent CFLAGS for stage 1.
7250 * configure: Rebuilt.
7251 * x-vax, x-vax-gcc: Deleted.
7253 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
7255 * c-common.c (declare_function_name): Use func_id_node,
7256 function_id_node, and pretty_function_id_node. Do not make
7257 __func__ visible at file scope.
7258 * c-common.h (c_tree_index): Add CTI_FUNCTION_ID,
7259 CTI_PRETTY_FUNCTION_ID, and CTI_FUNC_ID.
7260 (function_id_node, pretty_function_id_node, func_id_node): New
7262 * c-decl.c (init_decl_processing): Initialize function_id_node,
7263 pretty_function_id_node, and func_id_node.
7264 (c_make_fname_decl): Correct comment.
7266 * tree.h (struct tree_identifier): Constify pointer member.
7268 * c-decl.c (pushdecl, implicit_decl_warning): Constify a char *.
7269 * c-pragma.h (struct weak_syms): Constify name and value members.
7270 (add_weak): Constify arguments.
7272 * calls.c (special_function_p): Constify a char *.
7273 (expand_call): Remove variable which is initialized and then
7275 * dependence.c (struct def_use, struct induction, struct subscript):
7276 Constify 'variable' member.
7277 (get_low_bound, have_induction_variable): Constify char * argument.
7278 (find_induction_variable): Add braces to avoid dangling else.
7279 (classify_dependence): Constify char * arrays.
7280 * profile.c (output_func_start_profiler): Constify a char *.
7281 * stor-layout.c (finalize_record_size): Constify a char *.
7282 * tree.c (is_attribute_p): Constify a char *.
7283 * varasm.c (add_weak, remove_from_pending_weak_list): Constify argument.
7285 * varasm.c (make_function_rtl, make_decl_rtl): Rearrange code
7286 for comprehensibility. Do not call get_identifier if we did
7287 not change the DECL_ASSEMBLER_NAME of the decl. Use alloca to
7288 create temporary string constants, not ggc_alloc_string. No
7289 need to copy result of ASM_FORMAT_PRIVATE_NAME. Use const
7290 char * to hold IDENTIFIER_POINTERs.
7292 2000-08-29 Richard Henderson <rth@cygnus.com>
7294 * config/ia64/ia64.md (muldi3): Use grfr_register_operand
7297 2000-08-29 Richard Henderson <rth@cygnus.com>
7299 * reload.c (push_secondary_reload): Allow class == reload_class
7300 if we're using a reload_in/out pattern.
7302 * config/ia64/ia64.md (reload_inti): Use a TImode scratch. Use
7303 the half that does not conflict with the reload register.
7304 (reload_outti): Likewise.
7306 2000-08-29 Kazu Hirata <kazu@hxi.com>
7308 * reload.c: Fix formatting.
7310 * stmt.c: Fix formatting.
7312 * gcc.c: Fix formatting.
7314 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
7316 * flags.h (time_report, mem_report): New global flags.
7317 * toplev.c: Define time_report and mem_report.
7318 (f_options): Add -ftime-report and -fmem-report.
7319 (compile_file): Turn on time_report if quiet_flag is off.
7320 Call ggc_print_statistics at very end if mem_report is on.
7321 * timevar.c (TIMEVAR_ENABLE): Examine time_report, not quiet_flag.
7323 * ggc-common.c (ggc_print_statistics): Rename to
7324 ggc_print_common_statistics; all callers changed. Scale
7325 quantities above 10K to kilobytes and above 10M to megabytes.
7326 * ggc-page.c (ggc_page_print_statistics): Rename to
7327 ggc_print_statistics. Report memory consumed by internal data
7328 structures for each allocation bucket. Scale quantities above
7329 10K to kilobytes and above 10M to megabytes.
7330 * ggc-simple.c: Prototype debug_ggc_tree to avoid warning.
7331 Cast PTR_KEY(p) to unsigned long in fprintf call to avoid warning.
7332 Define tally_leaves always.
7333 (ggc_print_statistics): New function.
7334 * ggc.h: Adjust for renamed functions.
7336 Wed Aug 30 00:11:42 2000 Denis Chertykov <denisc@overta.ru>
7338 * config/avr/avr.md ("*movsf","*movsi"): Pass NULL to
7339 output_movsisf instead of which_alternative.
7341 * config/avr/avr.c (output_reload_inhi): Check for NULL ponter.
7343 Tue Aug 29 22:29:58 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
7345 * config/avr/avr-protos.h: (avr_output_ascii) Removed.
7346 (avr_progmem_p): New prototype.
7347 (output_movsisf): Prototype declaration changed.
7348 (output_movqi): New prototype.
7349 (output_movhi): New prototype.
7350 (call_insn_operand): Likewise.
7351 (final_prescan_insn): Likewise.
7352 (avr_simplify_comparision_p): Likewise.
7353 (avr_normalize_condition): Likewise.
7354 (compare_eq_p): Likewise.
7355 (out_shift_with_cnt): Likewise.
7356 (const_int_pow2_p): Likewise.
7357 (output_reload_inhi): Prototype declaration changed.
7359 * config/avr/avr.c: (debug_hard_reg_set): Prototype declared.
7360 (ldi_reg_rtx): New. rtx for r31.
7361 (avr_init_stack): Initialize as "__stack".
7362 (function_prologue): Use it.
7363 Replace all TARGET_ENHANCED with AVR_ENHANCED.
7364 (avr_mcu_name): Initialize as "avr2".
7365 (avr_enhanced_p, avr_mega_p): New variables.
7366 (mcu_types, avr_override_options): Handle all known MCU types.
7367 Also handle avr1 (only preprocess, assemble and link).
7368 (print_operand): Using of `%K' in output template removed.
7369 (out_movqi_r_mr): Optimized.
7370 (out_movhi_r_mr): Likewise.
7371 (output_movqi): New function.
7372 (output_movhi): Likewise.
7373 (out_movsi_r_mr): Optimized.
7374 (output_movsisf): Compute insn length for `adjust_insn_length'
7375 (out_movqi_mr_r): Optimized.
7376 (out_movhi_mr_r): Optimized.
7377 (adjust_insn_length): Use output_movsisf, output_movqi,
7378 output_movhi for insn length adjusting.
7379 (reg_unused_after): Use dead_or_set_p.
7380 (preferred_reload_class): Now havn't any restriction.
7381 (reg_was_0): New function.
7382 (io_address_p): Likewise.
7383 (const_int_pow2_p): Likewise.
7384 (output_reload_inhi): Likewise.
7385 (output_reload_insisf): Likewise.
7387 * config/avr/avr.h (MULTILIB_DEFAULTS): Define.
7388 (LIB_SPEC): Use -lc for all supported devices.
7389 (LIBGCC_SPEC): Use -lgcc for all supported devices.
7390 (AVR_MEGA): Define as avr_mega_p.
7391 (AVR_ENHANCED): New, define as avr_enhanced_p.
7392 (TARGET_SWITCHES): Remove -menhanced, now handled by -mmcu=...
7393 (CPP_SPEC, LINK_SPEC): Handle all known MCU types.
7394 (CRT_BINUTILS_SPECS): Handle all known MCU types.
7395 Rename gcrt1-*.o to make file names unique on 8.3 filesystems.
7396 (EXTRA_SPECS): Add CPP_AVR[1-5]_SPEC.
7397 (ASM_SPEC): Pass -mmcu=... to the assembler.
7398 Change all -DAVR_* to -D__AVR_*__.
7399 (INIT_TARGET_OPTABS), config/avr/libgcc.S:
7400 Rename library functions to start with two underscores.
7401 (ASM_OUTPUT_COMMON): Outputs `.comm VAR,VAR-SIZE,1' to avoid
7403 (ASM_WEAKEN_LABEL): Declared for __attribute__((weak)).
7404 (SUPPORTS_WEAK): Likewise.
7405 (LDI_REG_REGNO): New. Register r31 will be used as temporary
7406 register for loading constants to r0-r14.
7408 * config/avr/avr.md: Replace all TARGET_ENHANCED with
7410 (*mov_r_sp): Removed. Handled by output_movhi.
7411 (*mov_sp_r): Likewise.
7412 (*mov_sp_r_no_interrupts): Likewise
7413 (*mov_sp_r_tiny): Likewise.
7414 (*movqi): Use output_movqi.
7415 (*reload_inqi): New.
7416 (*movhi): Use output_movhi.
7417 (*reload_inhi): New.
7418 (*negsi2): Optimized.
7419 (*negsf2): Likewise.
7420 Added peepholes (define_peephole2) for loading constants to r0-r14
7421 and for using `cpse' command.
7423 * config/avr/libgcc.S: Rename library functions to start with two
7425 Add support for enhanced core.
7426 (_moqhi3): Fix typo, now _modqi3.
7427 (__divsi_raw): Use __zero_reg__ as loop counter, smaller by 1 word.
7428 (__prologue_saves__): Remove test for stack adjust by 0.
7429 (__tablejump__): New.
7431 * config/avr/t-avr: Build libgcc2 with -mcall-prologues.
7432 Add multilib support.
7434 Tue Aug 29 15:17:54 EDT 2000 John Wehle (john@feith.com)
7436 * loop.c (prescan_loop): Don't check unknown_address_altered
7437 when deciding if insert_loop_mem is safe. Add BLKmode MEMs
7438 to loop_store_mems as necessary.
7439 (loop_invariant_p): Don't check unknown_address_altered
7440 or unknown_constant_address_altered.
7442 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
7444 * vax.md (sltu, sgeu): Delete sltu and sgeu insn patterns.
7446 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
7448 * cpperror.c (print_file_and_line): If line is (unsigned int)-1,
7449 print just the filename.
7450 * cpplex.c (_cpp_run_directive): Add additional argument, the
7451 name to give the synthetic buffer. This defaults to
7452 translated "<command line>".
7453 * cpplib.c (cpp_define, cpp_undef, cpp_assert, cpp_unassert):
7455 (_cpp_define_builtin): New function.
7456 * cppinit.c (initialize_builtins): Use _cpp_define_builtin.
7457 * cpphash.h: Update prototypes.
7459 * tradcpp.c (main): Process -D and -U simultaneously, in the
7460 order they appeared on the command line.
7462 2000-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7464 * c-decl.c (define_label): Call warning_with_file_and_line and
7465 error_with_file_and_line instead of plain warning or error.
7467 * c-parse.in (label): Use save_filename/save_lineno to ensure
7468 correct values for calls to define_label.
7470 2000-08-29 Mark Mitchell <mark@codesourcery.com>
7472 * calls.c (expand_call): Don't create a VAR_DECL just to throw it
7474 * expr.c (expand_expr, case TARGET_EXPR): Don't call
7476 * tree.h (get_file_function_name): Remove two duplicate
7479 2000-08-28 Kazu Hirata <kazu@hxi.com>
7481 * tree.c: Fix formatting.
7483 * xcoffout.c: Fix formatting.
7485 2000-08-28 Jason Merrill <jason@redhat.com>
7487 * dwarf2out.c (attr_checksum): Also ignore DW_AT_producer.
7489 2000-08-28 Daniel Berlin <dberlin@redhat.com>
7491 * dwarf2out.c (dwarf2out_finish): Don't bother calling
7492 break_out_includes if it won't do anything.
7494 2000-08-28 Richard Henderson <rth@cygnus.com>
7496 * reload.c (push_secondary_reload): Revert 2000-08-16 change.
7497 (find_reloads): Likewise.
7498 * config/alpha/alpha.md (reload_inqi): Revert 2000-08-11 change.
7499 (reload_inhi): Likewise.
7501 2000-08-28 Richard Henderson <rth@cygnus.com>
7503 * config/i386/i386.c: Don't error on EXTRA_CONSTRAINT defined.
7504 (call_insn_operand): Don't expect a surrounding mem.
7505 (constant_call_address_operand): Likewise.
7506 * config/i386/i386.h (PREDICATE_CODES): Update.
7507 * config/i386/i386.md (call patterns): Move the match_operand
7508 for the call destination inside the mem.
7510 2000-08-28 Richard Henderson <rth@cygnus.com>
7512 * local-alloc.c (requires_inout): Don't use reserved range for
7513 EXTRA_CONSTRAINTS; use anything not matched by REG_CLASS_FROM_LETTER.
7514 * recog.c (asm_operand_ok): Likewise.
7515 (preprocess_constraints, constrain_operands): Likewise.
7516 * regclass.c (record_reg_classes): Likewise.
7517 * reload.c (find_reloads): Likewise.
7518 * reload1.c (maybe_fix_stack_asms): Likewise.
7519 (reload_cse_simplify_operands): Likewise.
7520 * stmt.c (expand_asm_operands): Likewise.
7522 * md.texi: Update constraints documentation.
7523 * tm.texi (EXTRA_CONSTRAINT): Update.
7525 2000-08-28 Daniel Berlin <dberlin@redhat.com>
7527 * dwarf2out.c (DIE_LABEL_PREFIX): Remove leading "__".
7528 (print_die): If we don't know the offset of the
7529 target die, try the symbol. Add a trailing newline.
7530 (reverse_all_dies): New fn.
7531 (dwarf2out_finish): Call it.
7532 (break_out_includes): Reorganize for clarity.
7533 (add_sibling_attributes): Don't call reverse_die_lists.
7534 (output_comp_unit): Rename from output_comdat_comp_unit. Use for
7536 * flags.h: Add flag_eliminate_dwarf2_dups.
7537 * toplev.c (f_options): Support -feliminate-dwarf2-dups.
7539 2000-08-28 Jason Merrill <jason@redhat.com>
7541 * dwarf2.h (DW_TAG_GNU_BINCL, DW_TAG_GNU_EINCL): New tags.
7542 * dwarf2out.c: #include "md5.h".
7543 (DIE_LABEL_PREFIX): New macro.
7544 (dw_val_struct): Add 'external' flag to val_die_ref.
7545 (add_AT_die_ref, AT_ref): Adjust.
7546 (AT_ref_external, set_AT_ref_external): New fns.
7547 (build_abbrev_table): Call set_AT_ref_external.
7548 (value_format): Call AT_ref_external.
7549 (die_struct): Add die_symbol field.
7550 (new_die): Clear it.
7551 (dwarf_tag_name): Handle BINCL/EINCL.
7552 (dwarf2out_start_source_file): Add BINCL DIE.
7553 (dwarf2out_end_source_file): Add EINCL DIE.
7554 (push_new_compile_unit, pop_compile_unit, clear_die_sizes): New fns.
7555 (loc_checksum, attr_checksum, die_checksum): New fns.
7556 (is_type_die, is_comdat_die, is_symbol_die): New fns.
7557 (compute_section_prefix, assign_symbol_names): New fns.
7558 (gen_internal_sym, output_die_symbol, output_symbolic_ref): New fns.
7559 (output_die): Call output_die_symbol and AT_ref_external.
7560 (output_comdat_comp_unit): New fn, split out from...
7561 (dwarf2out_finish): ...here. Also call add_sibling_attributes for
7563 (output_pubnames, output_aranges): Abort if we see entries from
7565 * toplev.h: Declare file_name_nondirectory.
7566 * toplev.c (file_name_nondirectory): New fn, moved from C++ frontend.
7567 (rest_of_type_compilation): Call dwarf2out_decl if at toplevel.
7568 (debug_start_source_file): Call dwarf2out_start_source_file
7569 regardless of debug verbosity.
7570 (debug_end_source_file): Similarly.
7571 * tree.h: Declare clean_symbol_name.
7572 * tree.c (clean_symbol_name): Split out from...
7573 (get_file_function_name_long): ...here.
7575 * dwarf2out.c (new_loc_descr): Use calloc.
7576 (splice_child_die): Remove the die from the right parent.
7577 (gen_struct_or_union_die): Don't add AT_name to a specification DIE.
7579 Mon Aug 28 19:02:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7581 * toplev.c (decode_g_option): Don't give warning for unknown -g
7582 option; return 0 instead.
7583 (main): If -g option is not recognized by front end or
7584 language-independent code, give warning.
7586 2000-08-28 Greg McGary <greg@mcgary.org>
7588 * config/i386/i386-protos.h (ix86_expand_compare): Add extern decl.
7589 * config/i386/i386.c (ix86_expand_compare): Remove `static'.
7590 * config/i386/i386.md (trap, conditional_trap): New insn & expand.
7592 2000-08-27 Greg McGary <greg@mcgary.org>
7594 * cpplex.c (parse_string): Don't look for backslash
7595 before first char in `namebuf'.
7596 * loop.c (strength_reduce): Skip NOTEs.
7598 2000-08-27 Jason Merrill <jason@redhat.com>
7600 * c-decl.c (duplicate_decls): Don't set TREE_STATIC or clear
7601 DECL_EXTERNAL on a local extern. Don't set DECL_IGNORED_P or
7602 TREE_ASM_WRITTEN, either.
7603 (finish_decl): Adjust.
7605 2000-08-28 Philipp Thomas <pthomas@suse.de>
7607 * ABOUT-GCC-NLS: Remove gettext patches from Paul Eggert as
7608 they have been incorporated into the gettext CVS. Change the text to
7609 reflect the current status of NLS. Add instructions for accessing
7610 the gettext CVS and add the patch from Martin v. Loewis.
7612 2000-08-27 Geoff Keating <geoffk@cygnus.com>
7614 * config/rs6000/rs6000.md (movdi_internal64+5): Make SUBREG-safe
7615 by using gen_lowpart_common.
7616 (movdi_internal64+6): Likewise.
7618 2000-08-26 Alexandre Oliva <aoliva@redhat.com>
7620 * tm.texi (FINI_SECTION_ASM_OP, CRT_CALL_STATIC_FUNCTION):
7623 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Remap register
7624 numbers to the ranges used by GDB.
7626 2000-08-25 Richard Henderson <rth@cygnus.com>
7628 * config/ia64/ia64.h (struct machine_function): Add n_varargs.
7629 * config/ia64/ia64.c (ia64_compute_frame_size): Use it.
7630 (ia64_expand_prologue): Likewise.
7631 (ia64_setup_incoming_varargs): Set it. Properly skip the current
7632 argument for stdargs.
7634 2000-08-25 Jason Merrill <jason@redhat.com>
7636 * integrate.c (expand_inline_function): Pull out the original decl.
7638 2000-08-25 Jim Wilson <wilson@cygnus.com>
7640 * cse.c (cse_insn): Don't pass label subtraction to force_const_mem.
7642 * function.c (gen_mem_addressof): Clear MEM_ALIAS_SET if no decl.
7644 2000-08-25 Greg McGary <greg@mcgary.org>
7646 * flow.c (dump_edge_info): Use ARRAY_SIZE.
7647 * config/alpha/alpha.c (alpha_expand_block_move): Likewise.
7649 2000-08-25 Richard Earnshaw <rearnsha@arm.com>
7651 * arm.h (STRUCT_VALUE): Define to 0, not NULL.
7653 Fri Aug 25 12:52:49 EDT 2000 John Wehle (john@feith.com)
7655 * i386.c (ix86_find_base_term): New.
7656 * i386-protos.h (ix86_find_base_term): Prototype.
7657 * i386.h (FIND_BASE_TERM): Define.
7658 * alias.c (find_base_term): Use it.
7659 * tm.texi (FIND_BASE_TERM): Document it.
7661 * alias.c (true_dependence, write_dependence_p): Unchanging
7662 memory can't conflict with non-unchanging memory.
7664 * alias.c (memrefs_conflict_p): A BLKmode reference
7665 to a symbol (or CONST_INT address) always conflicts
7666 with a reference to another symbol.
7668 2000-08-25 Joseph S. Myers <jsm28@cam.ac.uk>
7670 * c-common.c (time_char_table): Don't allow width and flags with
7673 2000-08-25 Jakub Jelinek <jakub@redhat.com>
7675 * config/i386/i386.c (ix86_expand_branch): Treat GE and GEU the same
7676 way as LT and LTU when the second operand has 0 in low word.
7678 2000-08-26 Michael Hayes <mhayes@cygnus.com>
7680 * basic-block.h (struct loop): Rename `exits' field to
7681 `exit_edges'. Add `entry_edges' and `num_entries' fields.
7683 * flow.c (flow_loop_exit_edges_find): Rename from flow_loop_exits_find.
7684 (flow_loop_entry_edges_find): Add.
7685 (flow_edge_list_print): Rename from flow_exits_print.
7686 (flow_loops_find): Call flow_loop_entry_edges_find.
7687 (flow_loop_dump): Dump entry_edges list.
7688 (flow_loops_free): Free entry_edges.
7690 2000-08-26 Michael Hayes <mhayes@cygnus.com>
7692 * loop.c (loop_dump_aux, debug_loop): New functions.
7693 (LOOP_BLOCK_NUM_1, LOOP_BLOCK_NUM, LOOP_INSN_UID): New macros.
7695 * flow.c (flow_loops_dump): Add callback parameter.
7696 (flow_loop_dump): Add callback parameter and call it. Move
7697 loop note debugging code to loop_dump_aux.
7699 * basic-block.h (flow_loop_dump): Add callback parameter
7700 (flow_loops_dump): Likewise.
7702 * toplev.c (rest_of_compilation): Add NULL callback function pointer
7703 to call to flow_loops_dump.
7705 2000-08-26 Michael Hayes <mhayes@cygnus.com>
7707 * loop.c (count_loop_regs_set): Replace start and end arguments
7708 with loop argument. All callers udated.
7710 2000-08-26 Michael Hayes <mhayes@cygnus.com>
7712 * loop.c (constant_high_bytes): Delete.
7714 2000-08-26 Michael Hayes <mhayes@cygnus.com>
7716 * loop.c (prescan_loop): Move checks for NOTE_INSN_LOOP_CONT
7717 and NOTE_INSN_LOOP_VTOP to...
7718 (find_and_verify_loops) ...here.
7720 Fri Aug 25 04:21:13 2000 Alexandre Oliva <aoliva@redhat.com>
7722 * crtstuff.c (CRT_CALL_STATIC_FUNCTION): Define default.
7723 (fini_dummy, init_dummy): Use it.
7725 Fri 25-Aug-2000 08:03:27 BST Neil Booth <NeilB@earthling.net>
7727 * cpplex.c (is_macro_disabled): Caller has already checked
7728 that we're not a preprocessed file.
7730 2000-08-24 Mark Mitchell <mark@codesourcery.com>
7732 * Makefile.in (C_AND_OBJC_OBJS): Remove c-iterate.o.
7733 (c-iterate.o): Remove target.
7734 * gcc/c-common.h (enum rid): Remove RID_ITERATOR.
7735 * gcc/c-decl.c (init_decl_processing): Remove call to init_iterators.
7736 (finish_decl): Don't handle iterators.
7737 (grokdeclarator): Likewise.
7738 * gcc/c-parse.gperf: Remove __iterator and __iterator__ keywords.
7739 * gcc/c-gperf.h: Regenerated.
7740 * gcc/c-iterate.c: Removed.
7741 * gcc/c-lex.c (init_lex): Don't handle iterators.
7742 * gcc/c-parse.in (primary): Remove pop_iterator_stack call.
7743 (compstmt_primary_start): Remove push_iterator_stack call.
7744 (stmt): Don't allow iterator statements. Replace iterator_expand
7745 with expand_expr_stmt.
7746 (all_iter_stmt): Remove.
7747 (all_iter_stmt_simple): Likewise.
7748 (all_iter_stmt_with_decl): Likewise.
7749 * gcc/c-tree.h (ITERATOR_P): Remove.
7750 (ITERATOR_BOUND_P): Likewise.
7751 (init_iterators): Remove declaration.
7752 (iterator_expand): Likewise.
7753 (iterator_for_loop_start): Likewise.
7754 (iterator_for_loop_end): Likewise.
7755 (iterator_for_loop_record): Likewise.
7756 (push_iterator_stack): Likewise.
7757 (pop_iterator_stack): Likewise.
7758 * gcc/c-typeck.c (decl_constant_value): Don't check ITERATOR_P.
7759 (readonly_warning): Likewise.
7760 * gcc/tree.h (ITERATOR_BOUND_P): Don't mention it.
7762 2000-08-24 Jim Wilson <wilson@cygnus.com>
7764 * c-common.c (decl_attributes, case A_ALIGN): Revert last change.
7765 Copy type in a TYPE_DECL, just like pushdecl does.
7767 2000-08-24 Richard Henderson <rth@cygnus.com>
7769 * toplev.c (main): Enable flag_reorder_blocks at -O2.
7771 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
7773 * ggc-page.c (alloc_page): If HAVE_MMAP_ANYWHERE and we're
7774 asked for one page, allocate GGC_QUIRE_SIZE of them and put
7775 the extras on the free list.
7776 (release_pages): Clean up.
7777 (ggc_set_mark): Don't adjust G.allocated here...
7778 (sweep_pages): ... do it here.
7780 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
7782 * cppfiles.c (read_include_file): Rearrange initializations.
7784 2000-08-24 Richard Henderson <rth@cygnus.com>
7786 * stmt.c (expand_asm_operands): Treat EXTRA_CONSTRAINT like g or X.
7788 * config/ia64/ia64-protos.h: Update.
7789 * config/ia64/ia64.c (gr_register_operand): New.
7790 (fr_register_operand, grfr_register_operand): New.
7791 (gr_nonimmediate_operand, grfr_nonimmediate_operand): New.
7792 (grfr_reg_or_8bit_operand): New.
7793 (gr_reg_or_0_operand): Rename from reg_or_0_operand and
7794 use gr_register_operand.
7795 (gr_reg_or_5bit_operand, gr_reg_or_6bit_operand): Likewise.
7796 (gr_reg_or_8bit_operand, gr_reg_or_8bit_adjusted_operand): Likewise.
7797 (gr_reg_or_8bit_and_adjusted_operand): Likewise.
7798 (gr_reg_or_14bit_operand, gr_reg_or_22bit_operand): Likewise.
7799 (fr_reg_or_fp01_operand): Likewise.
7800 (not_postinc_memory_operand): New.
7801 (ia64_split_timode): Remove unused variables.
7802 (rtx_needs_barrier): Check arguments to cmpxchg.
7803 (builtin_description): Remove.
7804 (bdesc_2argsi, bdesc_2argdi): Remove.
7805 (ia64_init_builtins): Declare all builtins directly.
7806 (ia64_expand_fetch_and_op): Rewrite to be called from
7807 ia64_expand_builtin directly. Use expand_binop and co.
7808 (ia64_expand_op_and_fetch): Likewise.
7809 (ia64_expand_compare_and_swap): Likewise.
7810 (ia64_expand_binop_builtin): Remove.
7811 (ia64_expand_lock_test_and_set): New.
7812 (ia64_expand_lock_release): New.
7813 (ia64_expand_builtin): Use them.
7814 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_S): New.
7815 (EXTRA_CONSTRAINT): Use it.
7816 (PREDICATE_CODES): Update.
7817 * config/ia64/ia64.md (*): Use gr_register_operand and co.
7818 (mf): Indicate that we set memory as well as use it.
7819 (fetchadd_acq_si): Show memory being modified as well.
7820 (fetchadd_acq_di, cmpxchg_acq_si, cmpxchg_acq_di): Likewise.
7821 (val_compare_and_swap_si, val_compare_and_swap_di): Remove.
7822 (lock_test_and_set_si, lock_test_and_set_di): Remove.
7823 (fetch_and_add_si, fetch_and_sub_si, fetch_and_or_si): Remove.
7824 (fetch_and_and_si, fetch_and_xor_si, fetch_and_nand_si): Remove.
7825 (fetch_and_add_di, fetch_and_sub_di, fetch_and_or_di): Remove.
7826 (fetch_and_and_di, fetch_and_xor_di, fetch_and_nand_di): Remove.
7827 (add_and_fetch_di, sub_and_fetch_di, or_and_fetch_di): Remove.
7828 (and_and_fetch_di, xor_and_fetch_di, nand_and_fetch_di): Remove.
7829 (add_and_fetch_si, sub_and_fetch_si, or_and_fetch_si): Remove.
7830 (and_and_fetch_si, xor_and_fetch_si, nand_and_fetch_si): Remove.
7831 * config/ia64/ia64intrin.h (*): Cast result to the appropriate
7832 return type. Pretty print definitions.
7834 2000-08-24 Jim Wilson <wilson@cygnus.com>
7836 * config/ia64/ia64.md (movdi): Don't call gen_movdi_symbolic if
7837 we have a SYMBOL_REF with SYMBOL_REF_FLAG set.
7839 2000-08-24 Jason Merrill <jason@redhat.com>
7841 * dwarf2out.c (AT_flag, AT_int, AT_unsigned, AT_string, AT_ref,
7842 AT_loc, AT_addr, AT_lbl): Abort on unsuitable input.
7843 (get_AT_low_pc, get_AT_hi_pc, get_AT_string, get_AT_flag,
7844 get_AT_unsigned, get_AT_ref): Don't call them if get_AT fails.
7846 2000-08-24 Greg McGary <greg@mcgary.org>
7848 * optabs.c (init_optabs): Initialize fixtab, fixtrunctab, floattab,
7849 and extendtab within their proper array boundaries.
7850 * emit-rtl.c (init_emit_once): Pass `const_tiny_rtx' with bounds
7851 for the entire array.
7853 * config/arm/arm.c (arm_override_options): Use ARRAY_SIZE.
7854 * config/alpha/alpha.c (alpha_lookup_xfloating_lib_func): Likewise.
7855 * config/avr/avr.c (order_regs_for_local_alloc): Likewise.
7856 * config/fr30/fr30.c (fr30_print_operand): Likewise.
7857 * config/i386/dgux.c (output_options): Likewise.
7858 * config/i386/dgux.h (ASM_FILE_START): Likewise.
7859 * config/m88k/m88k.c (output_options): Likewise.
7860 * config/m88k/m88k.h (ASM_FILE_START): Likewise.
7861 * config/mcore/mcore.c (mcore_output_inline_const_forced,
7862 layout_mcore_frame, handle_structs_in_regs): Likewise.
7863 * config/mips/mips.c (output_block_move): Likewise.
7864 * config/rs6000/rs6000.c (rs6000_override_options,
7865 rs6000_file_start): Likewise.
7866 * config/sparc/sparc.c (sparc_add_gc_roots): Likewise.
7867 * fixinc/fixfixes.c (FIX_TABLE_CT): Likewise.
7868 * fixinc/fixtests.c (TEST_TABLE_CT): Likewise.
7869 * builtins.c (expand_builtin_setjmp): Likewise.
7870 * expr.c (safe_from_p): Likewise.
7871 * flow.c (life_analysis): Likewise.
7872 * fold-const.c (size_int_type_wide): Likewise.
7873 * gcc.c (translate_options, init_spec, set_spec, main): Likewise.
7874 * genattrtab.c (make_length_attrs): Likewise.
7875 * genopinit.c (gen_insn): Likewise.
7876 * genrecog.c (NUM_KNOWN_PREDS, NUM_SPECIAL_MODE_PREDS): Likewise.
7877 * global.c (global_alloc): Likewise.
7878 * local-alloc.c (find_free_reg): Likewise.
7879 * mips-tdump.c (print_symbol): Likewise.
7880 * mips-tfile.c (parse_def, parse_input): Likewise.
7881 * reload1.c (NUM_ELIMINABLE_REGS): Likewise.
7882 * stmt.c (expand_nl_goto_receiver): Likewise.
7883 * stor-layout.c (set_sizetype): Likewise.
7884 * varasm.c (decode_reg_name): Likewise.
7885 * toplev.c (decode_f_option, decode_W_option,
7886 set_target_switch, print_switch_values): Likewise.
7887 (NUM_ELEM): Remove macro.
7888 (display_help, main): s/NUM_ELEM/ARRAY_SIZE/
7890 2000-08-24 Greg McGary <greg@mcgary.org>
7892 * tree.h (enum tree_index): New member `TI_MAIN_IDENTIFIER'.
7893 (MAIN_NAME_P, main_identifier_node): New macros.
7894 * c-common.c (c_common_nodes_and_builtins): Init main_identifier_node.
7895 * c-decl.c (start_decl, grokdeclarator, start_function,
7896 store_parm_decls, finish_function): Use MAIN_NAME_P.
7897 * config/avr/avr.c (function_prologue, function_epilogue): Likewise.
7898 * config/i386/cygwin.h (SUBTARGET_PROLOGUE): Likewise.
7899 * config/i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
7900 * config/pdp11/pdp11.c (output_function_prologue): Likewise.
7902 2000-08-24 Greg McGary <greg@mcgary.org>
7904 * cppfiles.c (actual_directory): Don't write beyond `dir'
7905 when it contains "".
7906 * real.c (asctoeg): Stay within bounds of etens[][].
7908 2000-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7910 * dependence.c (dependence_string, direction_string,
7911 dump_one_node, dump_node_dependence): Hide unused identifiers.
7912 (get_low_bound, normalize_coefficients): Match definition to
7914 (get_one_coefficient): Initialize variables `value0_is_idx' and
7916 (ziv_test, gcd_test): Mark parameters with ATTRIBUTE_UNUSED.
7917 (ziv_test): Delete variable `idx', use parameter `sub' instead.
7918 (direction_merge): Avoid automatic aggregate initialization.
7919 (have_dependence_p): Use `src' not `dest' to set `src_idx'.
7920 Initialize variables `dest_idx' and `src_idx'.
7921 (end_dependence_analysis): Avoid C89 style function definition.
7923 2000-08-24 Joseph S. Myers <jsm28@cam.ac.uk>
7925 * c-common.c (time_char_table): Don't allow width with %F.
7926 (check_format_info): Don't allow "Z" length with scanf.
7928 2000-08-24 Gabriel Dos Reis <gdr@codesourcery.com>
7930 * diagnostic.c (finish_diagnostic): Define.
7931 (output_do_printf): Use wrap_text instead of output_add_string.
7932 (default_print_error_function): Avoid embedded '\n'.
7934 * diagnostic.h (flush_diagnostic_buffer): Declare.
7936 2000-08-23 Alexandre Oliva <aoliva@redhat.com>
7938 * dependence.c: Replace `[][]' with `[][MAX_SUBSCRIPTS]'.
7940 2000-08-23 Hans-Peter Nilsson <hp@axis.com>
7942 * Makefile.in (GCC_PASSES): Add specs.
7944 2000-08-23 Jim Wilson <wilson@cygnus.com>
7946 * frame.h (IA64_UNW_EHANDLER, IA64_UNW_UHANDLER): New.
7947 * config/ia64/frame-ia64.c (__get_personality): Return zero if neither
7948 EHANDLER nor UHANDLER bit is set.
7949 (__get_except_table): Likewise.
7951 2000-08-23 Nick Clifton <nickc@redhat.com>
7953 * config/arm/lib1funcs.asm: Replace upper case condition codes
7954 with lower case versions.
7956 * config/arm/arm.h (STRUCT_VALUE): Define.
7957 (STRUCT_VALUE_REGNUM): Delete.
7959 2000-08-23 Zack Weinberg <zack@wolery.cumb.org>
7961 * cpphash.h (IN_I): New flag for directive table.
7962 * cpplib.c (DIRECTIVE_TABLE): Mark #define, #undef, #ident, and
7964 (_cpp_check_directive): If -fpreprocessed, execute directives
7965 marked with IN_I. Issue no warnings in this case.
7966 * cpplex.c (_cpp_get_token): Expand no macros if -fpreprocessed.
7968 2000-08-23 Joseph S. Myers <jsm28@cam.ac.uk>
7970 * c-common.c (print_char_table): Allow 'I' flag with %d, %i and
7972 (check_format_info): Support printf 'I' flag; warn about it with
7975 2000-08-23 Richard Earnshaw (rearnsha@arm.com)
7977 * arm.c (arm_expand_prologue): Ensure that the stack-adjustment
7978 barrier can't be ignored by the alias analysis code.
7980 2000-08-12 Eli Zaretskii <eliz@is.elta.co.il>
7982 * fixinc/inclhack.def (sysv68_string): Fix the Sed script so it
7983 works inside fixincl.
7985 Wed Aug 23 04:55:48 2000 Alexandre Oliva <aoliva@redhat.com>
7987 * simplify-rtx.c (simplify_rtx): Don't pass VOIDmode to
7988 simplify_relational_operation() unless both operands are of
7990 * cse.c (fold_rtx): Likewise.
7992 Tue Aug 22 23:53:27 EDT 2000 John Wehle (john@feith.com)
7994 * rtlanal.c (rtx_unstable_p): The pic register is stable
7995 (within one function) and the actual rtx should be used
7996 when checking the registers.
7997 (rtx_addr_can_trap_p): Pic memory addresses can't trap.
7999 * alias.c (true_dependence, write_dependence_p): Fix
8000 bug in previous patch.
8002 * i386.c (ix86_GOT_alias_set): New.
8003 (legitimize_pic_address): Use it.
8005 * rtlanal.c (rtx_unstable_p): An unchanging MEM is
8006 only stable if its address is stable.
8007 (rtx_varies_p): An unchanging MEM can't vary if
8008 its address doesn't vary.
8010 2000-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8012 * c-parse.in (unop +): Restrict -Wtraditional warnings to user code.
8014 2000-08-22 J. David Anglin <dave@hiauly1.hia.nrc.ca>
8016 * vax.h (ASM_SPEC): Pass `-J' to assembler.
8017 * x-vax-gcc: New file for bootstrapping with gcc.
8018 * x-vax: Use X_CFLAGS rather than X_CPPFLAGS to pass `-J'.
8019 * configure.in: Use x-vax-gcc with gcc.
8020 * configure: Rebuilt.
8022 Tue Aug 22 21:21:05 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8024 * toplev.c (rest_of_compilation): Rebuild label notes after
8025 post-reload splitting pass if new labels have been created.
8027 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
8029 * diagnostic.h (output_buffer_state): New macro.
8030 * diagnostic.c (diagnostic_for_decl, sorry,
8031 default_print_error_function, output_do_verbatim,
8032 report_diagnostic, report_problematic_module): Use it.
8034 (output_format): Use wrap_text instead of maybe_wrap_text.
8036 2000-08-22 Nick Clifton <nickc@redhat.com>
8038 * config/arm/lib1funcs.asm (ARM_DIV_MOD_BODY): New macro.
8039 Common code for ARM divide and modulus functions.
8040 (THUMB_DIV_MOD_BODY): New macro. Thumb equivalent of
8042 (FUNC_END): New macro: Common code at the end of the division and
8044 (THUMB_FUNCTION_START): New macro: Common code at the start of
8046 (__divsi3, __udivsi3, __modsi3, __umodsi3): Use new macros.
8048 Tue Aug 22 20:34:52 2000 Kaz Kojima <kkojima@rr.iij4u.or.jp>
8050 * config/sh/sh.md (cmpeqdi_t splitter): Fix a reverse testing.
8052 * config/sh/sh.c (prepare_scc_operands): Apply force_reg to
8053 sh_compare_op1 when the mode is DImode and sh_compare_op1 isn't
8056 2000-08-22 Nick Clifton <nickc@redhat.com>
8058 * config/arm/lib1funcs.asm (__umodsi3): Before performing any
8059 restorative additions, test for bottom bits of IP being set,
8060 rather than relying upon the RORs not matching.
8063 2000-08-22 David Edelsohn <edelsohn@gnu.org>
8065 * aix.h (ASM_DECLARE_FUNCTION_NAME): Call named_section() or
8066 text_section() as appropriate instead of emitting text csect
8068 (TEXT_SECTION_ASM_OP): Only require default 32-bit alignment.
8069 (UNIQUE_SECTION): Define macro.
8070 (ASM_OUTPUT_SECTION_NAME): Define macro.
8071 * rs6000.c (rs6000_override_options): Disable -ffunction-sections
8072 on AIX if debugging and -fdata-sections always.
8074 2000-08-22 Steven King <sxking@uswest.net>
8076 * config/float-i386.h (LDBL_EPSILON): Remove __convert_long_double
8078 (LDBL_MAX): Same here.
8080 2000-08-22 Richard Henderson <rth@cygnus.com>
8082 * flow.c (tidy_fallthru_edge): Update b->end properly.
8084 2000-08-22 Stan Cox <scox@redhat.com>
8086 * Makefile.in (OBJS): Add dependence.o.
8087 * dependence.c: New file.
8089 2000-08-22 Alexandre Oliva <aoliva@redhat.com>, John David Anglin <dave.anglin@nrc.ca>
8091 * calls.c (check_sibcall_argument_overlap_1): Adjust for
8093 (check_sibcall_argument_overlap): Likewise.
8095 2000-08-22 Alexandre Oliva <aoliva@redhat.com>
8097 * invoke.texi (SH Options): Document -m4-nofpu,
8098 -m4-single-only, -m4-single, -m4, -mbigtable, -mfmovd,
8099 -mhitachi, -mnomacsave, -misize, -mpadstruct, -mspace.
8101 2000-08-22 Joseph S. Myers <jsm28@cam.ac.uk>
8103 * c-common.c (check_format_info): Give the 'some locales' warning
8104 for strftime %Ey rather than the unconditional 'only last 2 digits
8107 2000-08-22 Richard Henderson <rth@cygnus.com>
8109 * alias.c (init_alias_analysis): Do not register
8110 struct_value_incoming_rtx or static_chain_rtx as pointing
8113 Tue Aug 22 01:44:43 2000 Jeffrey A Law (law@cygnus.com)
8115 * protoize.c (munge_compile_params): Fix typo and formatting buglets.
8117 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
8119 * diagnostic.h (report_problematic_module): Declare.
8120 * diagnostic.c (report_problematic_module): New function.
8121 (report_error_function): Tweak.
8123 Tue Aug 22 02:31:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8125 * stmt.c (expand_goto_internal, fixup_gotos): Only check
8126 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
8128 2000-08-21 Richard Henderson <rth@cygnus.com>
8130 * flow.c (calculate_global_regs_live): Mark frame pointer live
8131 everywhere before reload.
8133 2000-08-21 Jim Wilson <wilson@cygnus.com>
8135 * real.c (ereal_from_int, ereal_from_uint, significand_size): Handle
8136 INTEL_EXTENDED_IEEE_FORMAT.
8137 (toe64): Delete INTEL_EXTENDED_IEEE_FORMAT support. Unconditionally
8138 clear last two bytes of output FP value.
8140 2000-08-21 Graham Stott <grahams@cygnus.co.uk>
8142 * config/ia64/ia64.h (REDO_SECTION_INFO_P): Change decl to DECL.
8144 2000-08-21 Jakub Jelinek <jakub@redhat.com>
8146 * unroll.c (loop_find_equiv_value): If ret is modified between
8147 insn and loop_start, ret might not be equivalent to reg.
8149 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
8151 * c-common.c (init_dollar_format_checking,
8152 maybe_read_dollar_number, finish_dollar_format_checking): New
8154 (dollar_arguments_used, dollar_arguments_count,
8155 dollar_first_arg_num, dollar_max_arg_used, dollar_format_warned):
8157 (check_format_info): Support $ formats for scanf and printf width
8158 and precision. Always increment format_chars to advance past the
8159 '*' of precision, not just when the format parameters are
8162 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8164 * mips.c (block_move_loop, expand_block_move,
8165 function_arg_partial_nregs, save_restore_insns, function_prologue,
8166 mips_expand_prologue, RA_MASK): Avoid using the `U' integer
8168 (function_arg_advance, function_arg): Match argument to format
8171 2000-08-21 Nix <nix@esperi.demon.co.uk>
8173 * gcc.c (do_spec_1): Implement %j spec flag.
8174 Remove dead comment.
8176 * gcc.texi (The Configuration File): Document HOST_BIT_BUCKET.
8177 * system.h (HOST_BIT_BUCKET): Default to "/dev/null".
8178 * config/i386/xm-dos.h (HOST_BIT_BUCKET): Define as "NUL".
8179 * config/i386/xm-os2.h, config/winnt/winnt.h: Likewise.
8181 * protoize.c (munge_compile_params): Use HOST_BIT_BUCKET (if
8182 writable) instead of hardcoded value.
8184 * toplev.c (compile_file): Output to a file even if -fsyntax-only.
8186 * gcc.c, config/i386/xm-dos.h, config/i386/xm-os2.h: Kill
8189 * gcc.c (cc1_options): Do not process -o or run the assembler if
8191 * objc/lang-spec.h: Likewise.
8193 2000-08-21 Eli Zaretskii <eliz@is.elta.co.il>
8195 * fixinc/fixincl.c (fix_with_system): Pipe the output of
8196 "external" fixes through `cat', to avoid truncating the input
8197 file by redirection.
8199 2000-08-21 Jakub Jelinek <jakub@redhat.com>
8201 * config/i386/i386.md (lea_general_1): Copy insn condition to split
8203 (lea_general_2, lea_general_3): Likewise.
8205 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8207 * c-decl.c (duplicate_decls, define_label): Restrict -Wtraditional
8208 warnings to user code.
8210 * c-lex.c (readescape, yylex): Likewise.
8212 * c-typeck.c (store_init_value, process_init_element): Likewise
8213 (c_expand_start_case): Format.
8215 2000-08-18 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
8217 * mips/linux.h (LINK_SPEC): Use %(endian_spec).
8219 * mips/mips.h: Change LINKER_ENDIAN_SPEC to ENDIAN_SPEC
8220 and linker_endian_spec to endian_spec.
8221 (ENDIAN_SPEC): Add %{EB} and %{EL}.
8222 (LINK_SPEC): Remove %{EB} and %{EL}.
8223 (ASM_SPEC): Likewise. Use %(endian_spec).
8225 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
8227 * c-tree.h (flag_hosted): Move declaration from here...
8228 * c-common.h (flag_hosted): ... to here.
8229 (flag_noniso_default_format_attributes): New declaration.
8230 * c-decl.c (flag_noniso_default_format_attributes): New variable.
8231 (c_decode_option): Set it appropriately for options choosing
8232 language standard variant.
8233 * c-common.c (init_function_format_info): Only provide default
8234 format attributes if flag_hosted. Only provide the gettext
8235 formats if flag_noniso_default_format_attributes. Update
8237 (check_format_info): Disable treatment of %a as a scanf flag in
8240 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
8242 * c-common.c (scan_char_table): Add 'w' to flags for all formats
8244 (check_format_info): Set 'wide' for scanf format widths. Warn for
8245 a zero scanf width. Make the check for writing into a constant
8246 object at the first level of indirection; at later levels, warn if
8247 any type qualifiers are encountered.
8249 Mon Aug 21 07:41:12 2000 Jeffrey A Law (law@cygnus.com)
8251 * reload.c (reload_inner_reg_of_subreg): New function broken out of
8253 (push_reload): Use reload_inner_reg_of_subreg.
8254 (combine_reloads): Do not combine reloads if the input reload
8255 is a SUBREG in which the inner part will need reloading.
8257 * global.c (global_alloc): Avoid passing dumpfile argument to
8259 * toplev.c (rest_of_compilation): Likewise.
8260 * reload.h (reload): Remove dumpfile argument. Callers changed.
8261 (debug_reload, debug_reload_to_stream): Move prototypes here.
8262 * rtl.h (reload): Remove dumpfile argument.
8263 * reload.c (debug_reload): Remove prototype.
8264 (debug_reload_to_stream): Likewise.
8265 * reload1.c: Avoid passing dumpfile around, rely on rtl_dump_file
8268 2000-08-21 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
8270 * diagnostic.c (context_as_prefix): Export.
8271 (need_error_newline): Remove.
8272 (lang_diagnostic_starter, lang_diagnostic_finalizer): New objects.
8273 (error_module_changed, record_last_error_module,
8274 error_function_changed, record_last_error_function): New functions.
8275 (initialize_diagnostics): Default intialize
8276 lang_diagnostic_starter, lang_diagnostic_finalizer.
8277 (init_output_buffer): Tweak.
8278 (file_name_as_prefix): New function.
8279 (announce_function, default_print_error_function,
8280 report_error_function, set_diagnostic_context): Tweak.
8282 2000-08-21 Richard Earnshaw <rearnsha@arm.com>
8284 * flow.c (init_propagate_block_info): Handle SUBREG in a jump
8285 condition expression.
8287 2000-08-20 Richard Henderson <rth@cygnus.com>
8289 * flow.c (merge_blocks_nomove): Don't seek back past the bb note.
8291 2000-08-20 Zack Weinberg <zack@wolery.cumb.org>
8293 * cppinit.c (cpp_init): Set global flag when called.
8294 (cpp_reader_init): Bomb out if cpp_init hasn't been called.
8296 Sun Aug 20 01:41:35 2000 Dennis Chernoivanov <cdi@sparc.spb.su>
8298 * cpplex.c (cpp_scan_buffer): Move `output_line_command' just
8299 before `process_directive' so that newlines won't be missed
8301 (cpp_printf): Increment `print->lineno' when newline is emitted.
8303 * cppmain.c (cb_ident): Likewise.
8304 (cb_define): Likewise.
8305 (cb_undef): Likewise.
8306 (cb_include): Likewise.
8307 (cb_def_pragma): Likewise.
8308 (dump_macros_helper): Likewise.
8310 2000-08-20 Richard Henderson <rth@cygnus.com>
8312 * config/ia64/ia64.c (emit_insn_group_barriers): Stop if ar.lc
8313 assigned before a loop.
8315 * config/ia64/ia64.md (ashlsi3): Zero extend the shift count.
8316 (ashrsi3, lshrsi3): Likewise.
8318 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
8320 * c-lang.c: #include diagnostic.h
8321 (c_tree_printer): New function.
8322 (lang_init): Initialize lang_printer.
8324 * Makefile.in (c-lang.o): Depends on diagnostic.h
8326 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
8328 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic.
8330 * diagnostic.c (default_diagnostic_starter,
8331 default_diagnostic_finalizer): New functions.
8332 (diagnostic_for_asm, diagnostic_for_decl): Tweak.
8333 (pedwarn, pedwarn_with_file_and_line, error,
8334 error_with_file_and_line, fatal, warning,
8335 warning_with_file_and_line): Adjust call to report_diagnostic.
8336 (report_diagnostic): Rework.
8337 (set_diagnostic_context): New function.
8339 * diagnostic.h (struct diagnostic_context): New data structure.
8340 (diagnostic_message, diagnostic_argument_list,
8341 diagnostic_file_location, diagnostic_line_location,
8342 diagnostic_is_warning, diagnostic_starter, diagnostic_finalizer,
8343 diagnostic_finalizer, diagnostic_auxiliary_data): New macros.
8344 (set_diagnostic_context): Declare.
8345 (report_diagnostic): Change prototype.
8347 Sun 20-Aug-2000 09:25:45 BST Neil Booth <NeilB@earthling.net>
8349 * fix-header.c (main): Initialize cpplib.
8351 2000-08-19 Michael Meissner <meissner@redhat.com>
8353 * ifcvt.c (find_if_block): Do not assume that a THEN block has any
8354 instructions in it before checking for indirect jumps.
8356 * ifcvt.c (find_if_block): Do not consider a THEN block that ends
8357 in a indirect jump as a potential for conditional execution.
8359 * d30v.h (d30v_init_expanders): Don't declare here.
8360 * d30v-protos.h (d30v_init_expanders): Declare here with a valid
8363 Sat 19-Aug-2000 21:11:45 BST Neil Booth <NeilB@earthling.net>
8365 * cpp.texi: Add @section for assertions.
8367 Sat Aug 19 12:37:08 EDT 2000 John Wehle (john@feith.com)
8369 * loop.c (scan_loop): Use CONST_CALL_P instead of
8370 checking for REG_LIBCALL / REG_RETVAL.
8372 Sat Aug 19 09:18:47 2000 Jeffrey A Law (law@cygnus.com)
8374 * reload1.c (reload_as_needed): Accept dumpfile argument,
8375 pass it to emit_reload_insns.
8376 (emit_reload_insns): Add new dumpfile argument. If non-null
8377 then dump the reloads for each insn into the dumpfile.
8378 (reload): Pass dumpfile to reload_as_needed.
8380 * invoke.texi: Clean up linux-gnu vs linux comments.
8382 2000-08-19 Richard Henderson <rth@cygnus.com>
8384 * config/ia64/ia64.c (reg_or_5bit_operand): New.
8385 (ia64_depz_field_mask): New.
8386 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_R): New.
8387 (PREDICATE_CODES): Update.
8388 * config/ia64/ia64.md: Update commentary.
8389 (depz_internal): New.
8390 (ashlsi3): Implement directly.
8391 (ashrsi3, lshrsi3): Simplify; rely on extv and extzv for constants.
8392 (ashldi3): Use shladd.
8393 * config/ia64/ia64-protos.h: Update.
8395 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
8397 * toplev.c (independent_decode_option): Always process -g.
8398 Remove third argument, now unused. Adjust caller to match.
8400 2000-08-18 Richard Henderson <rth@cygnus.com>
8402 * combine.c (make_compound_operation): Break after creating
8405 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
8407 * cpplib.c (cpp_register_pragma_space): Just return if the
8408 namespace is already registered.
8410 2000-08-18 Ray Essick <essick@ddna.labs.mot.com> & Nick Clifton <nickc@redhat.com>
8412 * config/mcore/mcore.md (rotlsi3): Allow allow rotations by a
8413 constant amount. Do not generate ROTL instruction.
8415 Fri Aug 18 16:22:20 2000 Alexandre Oliva <aoliva@redhat.com>
8417 * config/sh/elf.h: Do not include sh/sh.h.
8418 * config/sh/rtems.h: Likewise.
8419 * config/sh/rtemself.h: Do not include sh/elf.h.
8420 * configure.in: Get them included with `tm_file's.
8421 * configure: Rebuilt.
8423 * config/sh/sh.md (fpu_switch0, fpu_switch1): Simplify.
8424 * config/sh/sh.c (fpscr_set_from_mem): Use them.
8426 Fri Aug 18 14:23:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8428 * stor-layout.c (compute_record_type): Don't use mode of single
8429 field as mode of record if not integer mode of same type.
8431 * regmove.c (perhaps_ends_bb_p): New function.
8432 (optimize_reg_copy_1, optimize_reg_copy_2): Call it.
8433 (optimize_reg_copy_3, fixup_match_2, regmove_optimize): Likewise.
8434 (fixup_match_1): Likewise.
8435 (fixup_match_1, combine_stack_adjustments_for_block): Add casts to
8436 avoid signed/unsigned warnings.
8438 * function.c (fixup_var_refs_1, case MEM): Update CODE after
8441 Fri 18-Aug-2000 18:33:45 BST Neil Booth <NeilB@earthling.net>
8443 * cpphash.h: Use HAVE_DESIGNATED_INITIALIZERS.
8444 (_cpp_trigraph_map): Declaration moved from cpplex.c
8446 * cppinit.c: Define _cpp_trigraph_map. Use UCHAR_MAX + 1
8447 instead of 256. Use consistent test for designated initializers.
8448 (cpp_init): Initialize trigraph_map.
8449 (initialize_standard_includes, parse_option): Use memcmp
8452 * cpplex.c (init_trigraph_map): Remove.
8453 (trigraph_ok, trigraph_replace, lex_line): Refer to
8456 * cpplib.c (str_match, WARNING, ERROR, ICE): Delete.
8457 (do_unassert): Remove unused "next" local.
8459 * system.h (HAVE_DESIGNATED_INITIALIZERS): New prototype.
8461 2000-08-18 Emmanuel Marty <emarty@suntech.fr>
8463 * arm/lib1funcs.asm (_umodsi3 THUMB VARIANT): Restore deleted return
8466 2000-08-17 Richard Henderson <rth@cygnus.com>
8468 * config/ia64/ia64.c (spill_restore_mem): Handle emitting
8469 the first insn in a sequence.
8471 Thu Aug 17 22:40:05 EDT 2000 John Wehle (john@feith.com)
8473 * alias.c (true_dependence, write_dependence_p): A read
8474 involving a label_ref or the constant pool doesn't create
8477 * rtl.h (unchanging): Improve documentation.
8479 2000-08-17 Rodney Brown <RodneyBrown@mynd.com>
8481 * cse.c (insert_regs): Remove unused `regno'.
8483 2000-08-17 Neil Booth <NeilB@earthling.net>
8485 * (cppinit.c) merge_include_chains: Use remove_dup_dir,
8486 remove_dup_dirs. If qtail == brack, remove brack not
8488 (remove_dup_dir, remove_dup_dirs): New functions.
8490 2000-08-17 Neil Booth <NeilB@earthling.net>
8492 * cppinit.c (cpp_cleanup): Free include dir chains.
8493 * cpplib.c (do_undef): Let _cpp_free_definition make the node void.
8494 (do_unassert): Free the assert with _cpp_free_definition.
8495 * cppmacro.c (_cpp_free_definition): Free memory allocated for
8496 assertions. Make the node a T_VOID node.
8498 2000-08-17 Neil Booth <NeilB@earthling.net>
8500 * cppinit.c (path_include, append_include_chain):
8501 Remove 2nd parameter (struct cpp_pending *).
8502 (path_include, initialize_standard_includes, cpp_handle_option):
8503 Update callers appropriately.
8504 (cpp_handle_option): Use pend.
8506 2000-08-17 Neil Booth <NeilB@earthling.net>
8508 * cppinit.c (sort_options): Remove, put functionality in
8511 (initialize_builtins): Free memory.
8512 (cpp_start_read): Move init_IStable to cpp_init.
8514 * cpplib.h (cpp_init): New prototype.
8515 * cppmain.c (main): Call cpp_init.
8517 Thu Aug 17 13:20:32 EDT 2000 John Wehle (john@feith.com)
8519 * rtlanal.c (rtx_unstable_p): Use CONSTANT_P.
8520 (rtx_unstable_p, rtx_varies_p): Process vectors.
8522 2000-08-16 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
8524 * config/sh/lib1funcs.asm (GLOBAL): Define. Use for all
8525 references to GLOBAL symbols. Use LOCAL where appropriate.
8527 2000-08-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8529 * configure.in (*-ibm-aix4.[12]*): Delete test for gnu ld. Always
8530 use t-aix41 when host == target.
8532 2000-08-16 Richard Henderson <rth@cygnus.com>
8534 * reload.c (push_secondary_reload): Revert last change.
8535 If we use a reload_in/out pattern, make the when the same
8536 as the primary reload.
8537 (find_reloads): Likewise.
8539 2000-08-16 Manfred Hollstein <manfredh@redhat.com>
8541 * configure.in (libstdcxx-v3): Fix test.
8542 * configure: Regenerate.
8544 Wed Aug 16 08:10:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8546 * calls.c (calls_function_1, expand_call): Only test
8547 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
8548 * function.c (thread_prologue_and_epilogue_insns): Likewise.
8550 2000-08-16 Richard Henderson <rth@cygnus.com>
8552 * combine.c (simplify_shift_const): Revert previous two
8553 changes. If SHIFT_COUNT_TRUNCATED, crop the shift count
8554 before the main loop.
8556 2000-08-15 Richard Henderson <rth@cygnus.com>
8558 * combine.c (simplify_shift_const): Bound shift count when
8561 Tue Aug 15 17:33:05 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8563 * calls.c (ECF_SP_DEPRESSED): New macro.
8564 (calls_function_1): Treat calling sp-depressed function as alloca.
8565 (emit_call_1): Don't adjust SP if calling sp-depressed function.
8566 (expand_call): Set ECF_SP_DEPRESSED if TYPE_RETURNS_STACK_DEPRESSED.
8567 If sp-depressed, ensure block saves and restores SP.
8568 * fold-const.c (extract_muldiv): Only check TYPE_IS_SIZETYPE
8570 * function.c (keep_stack_depressed): New function.
8571 (thread_prologue_and_epilogue_insns): Call it.
8572 * print-tree.c (print_node): Use HOST_WIDE_INT_PRINT_UNSIGNED
8573 to print DECL_OFFSET_ALIGN.
8574 Print no-force-blk and transparent-union flags properly.
8575 * stmt.c (expand_goto_internal): Don't restore stack if last block
8576 and function returns with sp depressed.
8577 (fixup_gotos): Likewise.
8578 (save_stack_pointer): New function, from code in expand_decl.
8579 (expand_decl): Call new function.
8580 * tree.h (TYPE_IS_SIZETYPE): Call INTEGER_TYPE_CHECK.
8581 (TYPE_RETURNS_STACK_DEPRESSED): New macro.
8582 (save_stack_pointer): New declaration.
8584 * diagnostic.c (fatal_function): New variable.
8585 (set_fatal_function): New function.
8587 * diagnostic.h (set_fatal_function): New declaration.
8589 2000-08-15 William Cohen <wcohen@redhat.com>
8591 * config/sh/elf.h (DWARF2_DEBUGGING_INFO): Defined.
8592 (PREFERRED_DEBUGGING_TYPE): Set to dwarf2 info.
8593 (DWARF2_ASM_LINE_DEBUG_INFO): Defined.
8595 2000-08-15 Richard Henderson <rth@cygnus.com>
8597 * flow.c (mark_used_reg): Set reg_cond_reg appropriately.
8599 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
8601 * arm.c (arm_function_ok_for_sibcall): New function.
8602 * arm.h (FUNCTION_OK_FOR_SIBCALL): Define.
8603 * arm.md (call expanders): Don't check here for calls that can't
8606 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
8608 * arm.md (splits generating cond_exec): Disable.
8610 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
8612 * arm/linux-elf.h (text_section): Delete declaration.
8614 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
8616 ARM support for unordered FP operations.
8617 * arm-protos.h (arm_comparison_operator): Declare.
8618 * arm.c (arm_comparison_operator): New function.
8619 (arm_select_cc_mode): Add unordered comparison codes.
8620 (get_arm_condition_code): Likewise.
8621 (arm_final_prescan_insn): Can't handle unordered jumps that can't
8622 be done in one insn.
8623 * arm.h (PREDICATE_CODES): Add arm_comparison_operator.
8624 * arm.md (all uses of comparison_operator): Replace with
8625 arm_comparison_operator.
8626 (bunordered, bordered, bugt, bunlt, bunge, bunle, buneq, bltgt): New
8628 (arm_buneq, arm_bltgt, arm_buneq_reversed, arm_bltgt_reveresed): New
8631 Tue Aug 15 00:36:36 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
8633 * gthr-posix.h: Conditionally include <sched.h>; include
8634 <config.h> from libobjc/.
8636 2000-08-14 Richard Henderson <rth@cygnus.com>
8638 * config/i386/i386.c (legitimize_pic_address): Use Pmode
8641 2000-08-14 Richard Henderson <rth@cygnus.com>
8643 * configure.in (ia64-*): Set float_format for i386 long double.
8645 * real.c (GET_REAL): Treat 128-bit INTEL_EXTENDED_IEEE_FORMAT
8646 as we would for i386 XFmode.
8647 (PUT_REAL): Likewise.
8648 (endian, ereal_atof, real_value_truncate): Likewise.
8649 (ereal_isneg, toe64, etens, make_nan): Likewise.
8650 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Likewise.
8652 * config/ia64/ia64-protos.h: Update.
8653 * config/ia64/ia64.c (general_tfmode_operand): New.
8654 (destination_tfmode_operand): New.
8655 (tfreg_or_fp01_operand): New.
8656 (ia64_split_timode): New.
8657 (spill_tfmode_operand): New.
8658 (ia64_expand_prologue): Use TFmode not XFmode.
8659 (ia64_expand_epilogue): Likewise.
8660 (ia64_function_arg): Likewise.
8661 (ia64_function_arg_advance): Likewise.
8662 (ia64_return_in_memory): Likewise.
8663 (ia64_function_value): Likewise.
8664 (ia64_print_operand): Likewise.
8665 (ia64_register_move_cost): Set GR<->FR to 5.
8666 (ia64_secondary_reload_class): Get GR for TImode memory op.
8667 * config/ia64/ia64.h (ROUND_TYPE_SIZE): Remove.
8668 (ROUND_TYPE_ALIGN): Remove.
8669 (LONG_DOUBLE_TYPE_SIZE): Set to 128.
8670 (INTEL_EXTENDED_IEEE_FORMAT): Define.
8671 (HARD_REGNO_NREGS): Use TFmode, not XFmode.
8672 (HARD_REGNO_MODE_OK): Likewise. Disallow TImode in FRs.
8673 (MODES_TIEABLE_P): Use TFmode, not XFmode.
8674 (CLASS_MAX_NREGS): Likewise.
8675 (ASM_OUTPUT_LONG_DOUBLE): Output by 4 byte hunks.
8676 (PREDICATE_CODES): Update.
8677 * config/ia64/ia64.md (movti): New.
8678 (movti_internal): Use a clobber for memory alternatives.
8679 (reload_inti, reload_outti): New.
8680 (movsfcc_astep): Predicate properly.
8681 (movdfcc_astep): Likewise.
8684 (extendsftf2, extenddftf2): New.
8685 (trunctfsf2, trunctfdf2): New.
8686 (floatditf2, fix_trunctfdi2): New.
8687 (floatunsditf2, fixuns_trunctfdi2): New.
8688 (addtf3, subtf3, multf3, abstf2): New.
8689 (negtf2, nabstf2, mintf3, maxtf3): New.
8690 (maddtf3, msubtf3, nmultf3, nmaddtf3): New.
8692 (fr_spill): Use TFmode, not XFmode.
8693 (fr_restore): Likewise.
8694 * config/ia64/lib1funcs.asm (__divtf3): New.
8695 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add it.
8697 2000-08-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8699 * cse.c (fold_rtx): Avoid empty body in an if-statement.
8701 * doloop.c (doloop_iterations_max, doloop_modify): Avoid using the
8702 `U' integer constant suffix.
8704 * dwarf2out.c (add_subscript_info): Avoid empty body in an
8707 * sparc/sol2.h (__enable_execute_stack): Prototype.
8709 2000-08-14 David Edelsohn <edelsohn@gnu.org>
8711 * collect2.c: Remove use of AIX import file.
8713 * longlong.h: Test ARCH_PWR not ARCH_POWER.
8715 * rs6000.c (print_operand, case 'E'): Add else.
8717 2000-08-14 Richard Henderson <rth@cygnus.com>
8719 * config/ia64/ia64.md (movdi): Delay calling ia64_expand_load_address.
8720 (movdi_symbolic): New.
8722 2000-08-14 Jim Wilson <wilson@cygnus.com>
8724 * config/ia64/ia64.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
8725 to GNU as. For Intel as, pass -M const_gp and -M no_plabel.
8726 * config/ia64/linux.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
8729 2000-08-14 Richard Henderson <rth@cygnus.com>
8731 * expr.c (emit_group_load): Don't force constants into registers.
8732 Special case source already in the correct mode.
8734 2000-08-14 Zack Weinberg <zack@wolery.cumb.org>
8736 * configure.in: Accept *-*-linux* not just *-*-linux-gnu*.
8737 * fixinc/inclhack.def: Likewise.
8738 * fixinc/mkfixinc.sh: Likewise.
8739 * configure: Regenerate.
8740 * fixinc/fixincl.x: Regenerate.
8741 * install.texi: Document equivalence of linux and linux-gnu.
8743 Mon Aug 14 18:51:44 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8745 * cse.c (insert_regs): Also in REG case: When finding an invalid
8746 value, and we make a new quantity, make sure that it won't be
8747 mistaken by for a valid one by mention_regs.
8749 2000-08-13 Ralf Gütlein <ralf.guetlein@aranea.de>
8751 * h8300.md: Remove obsolete peepholes.
8753 2000-08-13 Kazu Hirata <kazu@hxi.com>
8755 * invoke.texi (H8/300 Options): Fix typos.
8756 * config/h8300.c: Fix formatting.
8757 * config/h8300.h: Fix comment typos.
8758 (OVERRIDE_OPTIONS): Fix formatting.
8760 * function.c: Fix formatting.
8762 * cse.c: Fix formatting.
8764 2000-08-13 Geoff Keating <geoffk@cygnus.com>
8766 * flow.c (attempt_auto_inc): Remove unused variable `bb'.
8767 (attempt_auto_inc): Suppress parentheses warning.
8768 * function.c (put_reg_into_stack): Remove unused variable `unsigned_p'.
8769 * loop.c (load_mems): Remove `u' suffix in two places.
8770 * config/rs6000/rs6000.c: Remove unnecessary `u' suffixes from
8772 * config/rs6000/rs6000.h: Likewise.
8773 * config/rs6000/sol-c0.c: Prototype some functions. Remove the
8774 __eabi dummy routine.
8775 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Remove unused
8778 * config/rs6000/rs6000.c (rs6000_select_section): Rewrite to
8779 not put stuff in .sdata unnecessarily.
8780 (rs6000_unique_section): New function.
8781 * config/rs6000/rs6000-protos.h: Add rs6000_unique_section.
8782 * config/rs6000/sysv4.h (UNIQUE_SECTION): Define.
8784 * c-typeck.c (build_array_ref): Don't complain about non-lvalue
8785 arrays in C99. Don't try to look at DECL_REGISTER of a
8786 COMPONENT_REF. Don't complain twice about the same error.
8788 * fixinc/inclhack.def (aix_pthread): New fix.
8789 (aix_sysmachine): New fix.
8790 * fixinc/fixincl.x: Regenerate.
8792 * expr.c (expand_expr): Call convert_modes when turning a large
8793 multiply into a small one.
8795 2000-08-12 Geoff Keating <geoffk@cygnus.com>
8797 * tree.h (DECL_OFFSET_ALIGN): Make the off_align field of
8798 the tree structure an exponent rather than an explicit alignment
8799 so it doesn't overflow.
8800 (SET_DECL_OFFSET_ALIGN): New macro.
8801 * stor-layout.c (place_union_field): Use SET_DECL_OFFSET_ALIGN
8802 rather than DECL_OFFSET_ALIGN.
8803 (place_field): Likewise.
8804 * expmed.c (store_bit_field): Abort on align==0 to avoid
8805 antisocial machine behaviour.
8807 2000-08-12 Richard Henderson <rth@cygnus.com>
8809 * sibcall.c (uses_addressof): Accept both addressof and
8810 current_function_internal_arg_pointer inside a mem.
8811 (optimize_sibling_and_tail_recursive_call): Fail tail recursion
8812 if current_function_uses_addressof.
8813 * stmt.c (expand_return): Kill tail recursion and HAVE_return
8816 2000-08-11 Richard Henderson <rth@cygnus.com>
8818 * config/ia64/ia64.md (addsi3): Remove expander.
8819 (subsi3, mulsi3, negsi2, one_cmplsi2): Likewise.
8820 (*addsi3_shladd): New.
8822 2000-08-11 Richard Henderson <rth@cygnus.com>
8824 * config/ia64/ia64.c (do_spill): Pass cfa offset to move expander.
8825 (do_restore): Likewise.
8826 (gen_movdi_x, gen_fr_spill_x, gen_fr_restore_x): New.
8827 (ia64_expand_prologue, ia64_expand_epilogue): Use them.
8828 (rtx_needs_barrier): Track actual bit manipulation for
8829 ar.unat moves, gr_spill, and gr_restore.
8830 (emit_insn_group_barriers): Special case gr_spill/gr_restore.
8831 (process_set): Don't handle varargs spills.
8832 * config/ia64/ia64.md (gr_spill): Accept cfa offset. Emit
8833 .mem.offset here instead of in process_set.
8834 (gr_restore): Likewise.
8836 2000-08-11 Richard Henderson <rth@cygnus.com>
8838 * config/ia64/ia64.h (PROMOTE_MODE): Only extend to SImode.
8840 2000-08-11 Mark Elbrecht <snowball3@bigfoot.com>
8842 * gcc.texi (The Configuration File): Document
8843 COLLECT2_HOST_INITIALIZATION, GCC_DRIVER_HOST_INITIALIZATION, and
8844 UPDATE_PATH_HOST_CANONICALIZATION.
8846 2000-08-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8848 * c-parse.in (cast_expr): Avoid -Wstrict-prototype warnings for
8849 unprototyped function pointer casts on integer constants.
8851 2000-08-11 Laurynas Biveinis <lauras@softhome.net>
8853 * fixproto: Recognize DOS paths with drive letters as absolute paths.
8855 2000-08-11 Nathan Sidwell <nathan@codesourcery.com>
8857 * extend.texi (Volatiles): Fix typos.
8859 2000-08-11 Kazu Hirata <kazu@hxi.com>
8861 * flow.c: Fix formatting.
8863 2000-08-11 Richard Henderson <rth@cygnus.com>
8865 * reload.c (push_secondary_reload): When invoking a reload_{in,out}
8866 pattern, always allocate a tertiary scratch register.
8868 * config/alpha/alpha.md (reload_inqi): Use a DImode scratch.
8869 (reload_inhi): Likewise.
8871 2000-08-11 Richard Henderson <rth@cygnus.com>
8873 * function.c (put_reg_into_stack): Allow type to be NULL.
8874 (schedule_fixup_var_refs): Likewise.
8875 (gen_mem_addressof): Allow decl to be NULL.
8876 (put_addressof_into_stack): Likewise.
8878 * flow.c (merge_blocks_nomove): Be more careful about
8879 locating the beginning of block A.
8881 * combine.c (simplify_shift_const): Obey SHIFT_COUNT_TRUNCATED.
8883 Thu Aug 10 22:47:09 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
8888 * config.in: Reverted the check for <sched.h>.
8890 2000-08-10 Chris Demetriou <cgd@sibyte.com>
8892 * mips/elf.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME): New
8893 macros define the name of CTOR and DTOR sections.
8894 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
8895 DTOR_LIST_END): Change to use attributes to specify
8897 * mips/elf64.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME,
8898 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
8899 DTOR_LIST_END): Same as in mips/elf.h.
8901 2000-08-10 Drew Moseley <dmoseley@redhat.com>
8903 * config/mn10300/mn10300.h: Added no-crt0 option for explicitly
8904 disabling just crt0.o.
8906 2000-08-10 Richard Earnshaw <rearnshaw@arm.com> & Nick Clifton <nickc@cygnus.com>
8908 * arm.h (CPP_SPEC): Use sub-spec cpp_interwork.
8909 (CPP_INTERWORK_SPEC, CPP_INTERWORK_DEFAULT_SPEC): New sub-specs.
8910 (EXTRA_SPECS): Add them.
8911 * arm/lib1funcs.asm: Support builds for interworking.
8912 Use macros to eliminate duplicated pieces of code.
8914 2000-08-10 Kazu Hirata <kazu@hxi.com>
8916 * h8300.c (expand_a_rotate): New.
8917 (emit_a_rotate): Likewise.
8918 (h8300_adjust_insn_length): Add support for the rotate insns.
8919 * h8300.md (rotlqi3): New.
8920 (*rotlqi3_1): Likewise.
8921 (rotlhi3): Likewise.
8922 (*rotlhi3_1): Likewise.
8923 (rotlhi3): Likewise.
8924 (*rotlhi3_1): Likewise.
8925 * h8300-proto.h: Add prototypes for expand_a_rotate and
8928 * h8300.c: Fix comment typos.
8929 (dosize): Declare the variable amount as unsigned.
8930 (get_shift_alg): Fix a comparison between signed and unsigned.
8931 (emit_a_shift): Likewise.
8932 (h8300_adjust_insn_length): Simplify the code.
8934 * c-decl.c: Fix formatting.
8936 2000-08-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8938 * c-lex.c (parse_float, yylex): For -Wtraditional, issue a
8939 warning about non-traditional numeric constant suffixes.
8941 * cppexp.c (parse_number): Likewise.
8943 * invoke.texi: (-Wtraditional): Document new behavior.
8945 Thu Aug 10 00:11:04 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
8947 * gthr-posix.h: Include auto-host.h. Conditionally include
8949 * configure.in: Check for the <sched.h> header file.
8950 * config.in: Added define for HAVE_SCHED_H.
8952 2000-08-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8954 * c-typeck.c (process_init_element): For -Wtraditional, warn about
8955 initialization of unions.
8957 * invoke.texi (-Wtraditional): Document new behavior.
8959 2000-08-09 Zack Weinberg <zack@wolery.cumb.org>
8961 * configure.in (--enable-c-cpplib): Uncomment. Use AC_DEFINE
8962 instead of extra_c_flags.
8963 (--enable-c-mbchar): Use AC_DEFINE instead of extra_c_flags.
8964 * configure: Regenerate.
8965 * config.in: Regenerate.
8967 * cpperror.c (cpp_type2name): New function.
8968 * cpplex.c (lex_line): If we issued an error for an invalid
8969 preprocessing directive, discard that logical line.
8970 * cpplib.c (do_line): Call a hook function if the current file
8971 is renamed by #line.
8972 (do_ident): Pass the contents of the string, not the entire
8973 token, to the callback function.
8974 * cpplib.h (CPP_LAST_PUNCTUATOR): New #define.
8975 (cb.rename_file): New hook function.
8976 (cb.ident): Adjust prototype.
8977 (cpp_type2name): Prototype.
8978 * cppmacro.c (dump_macro_args): Correct precedence lossage.
8980 * cppmain.c (cb_ident): Update for changed interface.
8981 (cb_rename_file): New function.
8982 (main): Set rename callback.
8984 2000-08-09 Alexandre Oliva <aoliva@redhat.com>
8986 * caller-save.c (mark_referenced_regs): Mark partially-overwritten
8987 multi-word registers.
8989 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
8991 * c-common.c (combine_strings, check_format_info): Refer to ISO C
8992 or ISO C89 instead of ANSI C.
8993 * c-decl.c (grokdeclarator, xref_tag, finish_struct,
8994 build_enumerator, do_case): Likewise.
8995 * c-lex.c (parse_float, yylex): Likewise.
8996 * c-parse.in: Likewise.
8997 * c-typeck.c (common_type, build_array_ref, build_binary_op,
8998 build_unary_op, pedantic_lvalue_warning, build_conditional_expr,
8999 build_c_cast, convert_for_assignment, set_init_index,
9000 set_init_label, c_expand_start_case): Likewise.
9001 * toplev.c (documented_lang_options, display_help): Likewise.
9003 2000-08-08 Kazu Hirata <kazu@hxi.com>
9005 * h8300.c: Fix formatting.
9006 * h8300.h: Likewise.
9007 * h8300.md: Likewise.
9008 (movsi_h8300hs): Fix formatting of the resulting assembly code.
9010 * reload1.c: Fix formatting.
9012 2000-08-08 Rodney Brown <RodneyBrown@mynd.com>
9014 * alpha/alpha.c (alpha_emit_xfloating_libcall):
9015 Use GEN_CALL_VALUE define.
9016 * alpha/alpha.md (untyped_call): Use GEN_CALL define.
9017 * clipper/clipper.md (untyped_call): Likewise.
9018 * dsp16xx/dsp16xx.md (untyped_call): Likewise.
9019 * fx80/fx80.md (untyped_call): Likewise.
9020 * mips/mips.md (untyped_call): Likewise.
9021 * ns32k/ns32k.md (untyped_call): Likewise.
9022 * pa/pa.md (untyped_call): Likewise.
9023 * romp/romp.md (untyped_call): Likewise.
9024 * sparc/sparc.md (untyped_call): Likewise.
9026 2000-08-08 Jason Eckhardt <jle@cygnus.com>
9028 * config/i860/i860.c (singlemove_string): Do not generate assembler
9029 pseudo instructions that must be expanded (that is, with signed
9030 constants larger than 16 bits).
9032 2000-08-08 Richard Henderson <rth@cygnus.com>
9034 * flow.c (life_analysis): Only turn off PROP_LOG_LINKS and
9035 PROP_AUTOINC at -O0. Don't collect alias info at -O0.
9036 (init_propagate_block_info): Don't kill memory stores at -O0.
9037 (mark_set_1, mark_used_regs): Likewise.
9039 2000-08-08 David Edelsohn <edelsohn@gnu.org>
9041 * rs6000.c (optimization_options): Decorate 'level' as
9043 (mask64_operand): Remove sign-extend thinko.
9044 (rldic_operand): New function.
9045 (load_multiple_operation): regno's are unsigned ints.
9046 (store_multiple_operation): Likewise.
9047 (lmw_operation): Likewise.
9048 (stmw_operation): Likewise.
9049 (includes_lshift_p): shift_mask is unsigned int.
9050 (includes_lshift64_p): New function.
9051 (addrs_ok_for_quad_peep): unsigned int reg1.
9052 (print_operand): Consistently add "else" after
9053 output_operand_lossage().
9054 (print_operand, case 'b'): Fold in case 'W'.
9055 (print_operand, case 'W'): Print rldic MB value.
9056 (output_epilogue): Update Objective-C language string.
9057 (output_toc): unsigned HOST_WIDE_INT low, compare unsigned.
9058 * rs6000.h (PREDICATE_CODES): Add rldic_operand.
9059 * rs6000.md (ashldi3): Add rldic instruction.
9060 (iordi3, xordi3): Remove redundant "else if CONST_DOUBLE".
9061 (cmpsi_internal2, cmpdi_interal2): Use 'b' output template
9064 2000-08-08 Richard Henderson <rth@cygnus.com>
9066 * config/ia64/ia64-protos.h: Remove duplicates. Update
9067 for massive code rearrangements.
9068 * config/ia64/ia64.c (ia64_arpfs_regno): Remove.
9069 (ia64_rp_regno, ia64_fp_regno, ia64_input_regs): Remove.
9070 (ia64_local_regs, ia64_need_regstk): Remove.
9071 (ar_ccv_reg_operand): New.
9072 (ia64_gp_save_reg): New.
9073 (struct ia64_frame_info): Combine most of the size elements;
9074 add new gr save elements.
9075 (find_gr_spill): New.
9076 (next_scratch_gr_reg): New.
9077 (mark_reg_gr_used_mask): New.
9078 (ia64_compute_frame_size): Rewrite. Allocate special AR regs
9079 to GR backing store regs when possible.
9080 (ia64_initial_elimination_offset): New.
9081 (ia64_rap_fp_offset): Remove.
9082 (save_restore_insns): Remove.
9083 (setup_spill_pointers): New.
9084 (finish_spill_pointers): New.
9085 (spill_restore_mem): New.
9086 (do_spill, do_restore): New.
9087 (ia64_expand_prologue): Rewrite to use them.
9088 (ia64_expand_epilogue): Likewise.
9089 (ia64_direct_return): Update for current_frame_info changes.
9090 (ia64_function_prologue): Simplify .prologue emission. Emit
9092 (ia64_setup_incoming_varargs): Don't ever emit rtl.
9093 (ia64_dbx_register_number): New.
9094 (ia64_initialize_trampoline): New.
9095 (ia64_secondary_reload_class): Request GR_REGS for integer
9096 arithmetic destined for FR_REGS.
9097 (ia64_init_machine_status): Don't reset return_address_pointer_rtx.
9098 (ia64_mark_machine_status): Mark ia64_gp_save.
9099 (rws_access_regno): Rename from rws_access_reg; don't treat
9100 predicates specially.
9101 (rws_access_reg): New. Update all callers.
9102 (rtx_needs_barrier): Remove dead unspecs.
9103 (ia64_epilogue_uses): Mark ar.pfs and ar.unat live on exit.
9104 (ia64_encode_section_info): Silence signed/unsigned warnings.
9105 (spill_offset, sp_offset, spill_offset_emitted): Remove.
9106 (tmp_reg, tmp_saved): Remove.
9107 (process_set): Rewrite to expect complicated bits via
9108 REG_FRAME_RELATED_EXPR.
9109 (ia64_expand_fetch_and_op): Use emit_move_insn; be explicit
9110 in the use of ar.ccv; never set RTX_UNCHANGING_P.
9111 (ia64_expand_op_and_fetch): Likewise.
9112 (ia64_expand_compare_and_swap): Likewise.
9113 (ia64_expand_builtin): Likewise.
9114 * config/ia64/ia64.h (AR_UNAT_REGNUM): New.
9115 (FIRST_PSEUDO_REGISTER): Update.
9116 (AR_M_REGNO_P): Update.
9117 (FIXED_REGS): Don't mark three local registers as used.
9118 (EXTRA_CC_MODES): New.
9119 (SELECT_CC_MODE): New.
9120 (HARD_REGNO_NREGS): Allow DImode in p0; handle CCImode.
9121 (HARD_REGNO_MODE_OK): Disallow CCImode from non-predicates.
9122 (FRAME_GROWS_DOWNWARD): Unset.
9123 (STARTING_FRAME_OFFSET): Zero.
9124 (ELIMINABLE_REGS): Eliminate from the soft to hard frame pointer.
9125 (INITIAL_ELIMINATION_OFFSET): Defer to out of line function.
9126 (HARD_FRAME_POINTER_REGNUM): New.
9127 (CAN_DEBUG_WITHOUT_FP): Define.
9128 (TRAMPOLINE_TEMPLATE): Remove.
9129 (TRAMPOLINE_SIZE): Lower to 32.
9130 (TRAMPOLINE_ALIGNMENT): Lower to 64.
9131 (INITIALIZE_TRAMPOLINE): Defer to out of line function.
9132 (PREDICATE_CODES): Update.
9133 (struct machine_function): Add ia64_gp_save.
9134 * config/ia64/ia64.md: Purge unused unspecs.
9135 (movsi patterns): Allow moves to/from AR_M_REGS.
9136 (movdi patterns): Allow moves to/from p0.
9137 (call patterns): Move most setjmp hackery to ia64_gp_save_reg.
9138 (gr_spill, gr_restore): Indicate ar.unat read/written.
9139 (nonlocal_goto): Don't pass old frame_pointer.
9140 (nonlocal_goto_receiver): Remove.
9141 (exception_receiver): New.
9142 (builtin_setjmp_setup): New.
9143 (builtin_setjmp_receiver): New.
9144 * config/ia64/lib1funcs.asm (__ia64_save_stack_nonlocal): Bundle.
9145 (__ia64_nonlocal_goto): Bundle. Don't kill r7.
9146 (__ia64_restore_stack_nonlocal): Likewise.
9147 (__ia64_trampoline): New.
9148 * config/ia64/sysv4.h (DBX_REGISTER_NUMBER): Defer to out of line
9150 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __trampoline.
9152 2000-08-08 Richard Henderson <rth@cygnus.com>
9154 * frame.h (ia64_frame_state): Add my_psp.
9155 * libgcc2.c (ia64_throw_helper): Add throw_sp argument.
9156 (__throw): Pass it in. Don't clobber r7.
9157 * config/ia64/frame-ia64.c (init_ia64_reg_loc): Mark inline.
9158 (execute_one_ia64_descriptor) [mem_stack_v]: Sets psp.when
9159 and nothing to do with sp.
9160 (normalize_reg_loc): Use frame->my_psp.
9161 (frame_translate): Handle frame-pointer-less functions. Set
9162 spill_base correctly, in absence of being told.
9163 (__build_ia64_frame_state): New sp argument. Fill in frame->my_sp.
9164 (__ia64_backtrace_helper): New sp argument. Use
9165 builtin_return_address instead of label addresses.
9166 (print_record) [mem_stack_v]: No size member.
9168 2000-08-08 Richard Henderson <rth@cygnus.com>
9170 * regclass.c (choose_hard_reg_mode): Iterate over all CC modes.
9172 2000-08-08 Richard Henderson <rth@cygnus.com>
9174 * tm.texi (LOCAL_REGNO): Document.
9175 * flow.c (LOCAL_REGNO, EPILOGUE_USES): Provide default.
9176 (mark_regs_live_at_end): Don't mark LOCAL_REGNO registers.
9177 * reload1.c (reload): Likewise when considering nonlocal labels.
9179 * config/ia64/ia64.h (LOCAL_REGNO): New.
9180 * config/sparc/sparc.h (LOCAL_REGNO): New.
9182 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
9184 * c-lex.c (yylex): Don't allow integer suffixes 'LUL', 'Ll', 'lL'.
9186 2000-08-07 Nick Clifton <nickc@redhat.com>
9188 * config/mips/mips.c: Fix compile time warning messages.
9189 * config/mips/mips-protos.h: Add prototype for equality_op.
9191 * mn10300.h (TARGET_SWITCHES): Document `-mam33'.
9193 2000-08-07 Graham Stott <grahams@cygnus.co.uk>
9195 * mn10300.md: Use nonimmediate_operand instead of general_operand
9198 * mn10300.h (PREFERRED_RELOAD_CLASS): Limit memory reloads.
9200 2000-08-07 Alexandre Oliva <aoliva@redhat.com>
9202 * sh.h (EXTRA_CONSTRAINT_Q): Adjust to GNU Coding Standards.
9203 * sh.c (expand_block_move): Break long lines.
9204 (expand_ashiftrt, fpscr_set_from_mem): Likewise.
9205 * sh.md (mulsi3): Likewise.
9206 (movdi): Adjust spacing.
9208 2000-08-07 Richard Henderson <rth@cygnus.com>
9210 * expmed.c (store_bit_field): Don't require MEM_IN_STRUCT_P.
9211 * expr.c (emit_group_store): Don't set it.
9213 2000-08-07 Kazu Hirata <kazu@hxi.com>
9215 * invoke.texi (Options for Debugging Your Program or GCC): Remove
9216 duplicate entries for 'w' and 'z'.
9218 * flow.c: Fix a comment typo.
9220 Sun Aug 6 23:47:35 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
9222 * c-parse.in: Changed the language string for Objective-C to "GNU
9225 Sun Aug 6 11:54:03 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
9227 * gthr-posix.h: Integrated Chris Ball's <cball@fmco.com> changes
9228 to improve the Posix thread support for Objective-C.
9230 2000-08-06 Joseph S. Myers <jsm28@cam.ac.uk>
9232 * c-common.h (enum c_tree_index): Add CTI_SIGNED_SIZE_TYPE and
9233 CTI_UNSIGNED_PTRDIFF_TYPE.
9234 (signed_size_type_node): Define.
9235 (unsigned_ptrdiff_type_node): Define.
9236 * c-decl.c (init_decl_processing): Create the
9237 signed_size_type_node and unsigned_ptrdiff_type_node types.
9238 * c-common.c (T_SC): Define.
9241 (print_char_table): Use T_SST for %zd, %zi, %zn. Use T_UPD for
9242 %to, %tu, %tx, %tX. Allow %hhn (T_SC). Add "c" to the flags for
9244 (scan_char_table): Use T_SC for %hhd, %hhi, %hhn. Use T_SST for
9245 %zd, %zi, %zn. Use T_UPD for %to, %tu, %tx, %tX. Add "c" to the
9246 flags for %c, %s and %[.
9247 (check_format_info): Only allow leniency for signedness of targets
9248 of character pointers (when pedantic) for formats flagged with
9249 "c", so for strings but not for %hh formats. When pedantic, don't
9250 allow character pointers to substitute for void pointers if a
9251 second level of indirection is present.
9253 2000-08-06 Kazu Hirata <kazu@hxi.com>
9255 * invoke.texi (Options for Debugging Your Program or GCC): Update
9256 the names of dump files.
9258 * h8300.c (dosize): Rearrange code for conciseness.
9259 (split_adds_subs): Likewise.
9261 * loop.c: Fix formatting.
9263 * dwarf2out.c: Fix formatting.
9265 * tm.texi (FUNCTION_ARG_PARTIAL_NREGS): Fix a typo.
9267 * expr.c: Fix formatting.
9269 2000-08-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9271 * rs6000.c (rs6000_maybe_dead): Prototype.
9273 2000-08-06 Richard Henderson <rth@cygnus.com>
9275 * stmt.c (expand_goto): Do virtual_stack_vars_rtx replacement for
9276 HAVE_nonlocal_goto as well.
9277 * config/i960/i960.md (nonlocal_goto): Don't do it here.
9278 * config/pj/pj.md (nonlocal_goto): Likewise.
9280 2000-08-07 Michael Hayes <mhayes@cygnus.com>
9282 * loop.c (try_swap_copy_prop): New function.
9283 (load_mems): Rename copies to load_copies and add new regset
9284 store_copies. Check for sets of shadow registers and mark
9285 in store_copies. Call try_swap_copy_prop for registers
9286 marked in store_copies.
9288 Sun Aug 6 00:54:42 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
9290 * objc/objc-act.c: New command line option -fconstant-string-class
9291 to allow specifying a user defined constant string class,
9292 different from NXConstantString.
9294 * toplev.c: Moved the Objective-C specific options to
9295 objc/lang-options.h.
9297 * objc/lang-options.h: Moved the Objective-C specific options from
9298 toplev.c. Added -fconstant-string-class.
9300 2000-08-05 Chris Demetriou <cgd@sibyte.com>
9302 * mips/elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
9303 DTOR_LIST_BEGIN, DTOR_LIST_END): change type of
9304 __CTOR_LIST__ from func_ptr array to just func_ptr, to
9305 avoid extra alignment imposed on arrays.
9306 * mips/elf64.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
9307 DTOR_LIST_BEGIN, DTOR_LIST_END): Likewise.
9309 * mips.h: Clean up comments and spacing near MASKs.
9310 (TARGET_UNIX_ASM): Delete.
9311 (MASK_MIPS16, MASK_NO_CHECK_ZERO_DIV, MASK_CHECK_RANGE_DIV,
9312 MASK_UNINIT_CONST_IN_RODATA): Change values to make mask
9315 2000-08-05 Joseph S. Myers <jsm28@cam.ac.uk>
9317 * c-common.c (print_char_table): Add entries for the X/Open '
9318 format flag (print decimals with locale's thousands grouping
9319 character). Make %C expect wint_t.
9320 (check_format_info): If pedantic, warn when the %n$ operand
9321 number form is used. Allow for the ' flag; warn about it if
9324 2000-08-05 Zack Weinberg <zack@wolery.cumb.org>
9326 * i386.h (FUNCTION_OK_FOR_SIBCALL): Not OK if DECL's return
9327 type is a float mode, cfun->decl's return type is not, and
9328 TARGET_FLOAT_RETURNS_IN_80387.
9330 2000-08-04 Andreas Schwab <schwab@suse.de>
9332 * cppmain.c (cb_def_pragma): Skip the first two tokens from the
9333 token list, which are always `#' and `pragma'.
9335 2000-08-04 Zack Weinberg <zack@wolery.cumb.org>
9337 * tree.c (tree_expr_nonnegative_p): Move to...
9338 * fold-const.c: ... here. Also handle BIND_EXPR and RTL_EXPR.
9339 (rtl_expr_nonnegative_p): New.
9340 * tree.h: Add prototype for rtl_expr_nonnegative_p.
9342 * real.h (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH, CONST_DOUBLE_MEM,
9343 CONST_DOUBLE_CHAIN: Move to...
9344 * rtl.h: ...here. Use XCINT/XCEXP.
9346 * Makefile.in: Remove toplev.o from OBJS. Add rule to make
9347 libbackend.a; add libbackend.a to STAGESTUFF. Add BACKEND
9348 variable. Use BACKEND when linking cc1, not OBJS. Add BACKEND
9351 * objc/Make-lang.in (cc1obj): Link with $(BACKEND).
9353 2000-08-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9355 * config/c4x/c4x.md (return_indirect_internal): New.
9356 * config/c4x/c4x.c (c4x_expand_epilogue): Use it.
9358 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
9360 * c-common.c (time_char_table): Mark up formats added in C99 and
9361 make other corrections. %D and %g were added in C99. %Og is an
9362 extension. %EX is permitted. %R, %T, %n, %r, %t were added in
9363 C99. %e was added in C99. %Oj is an extension. %G and %z are in
9364 C99 rather than GNU extensions, but %OG and %Oz are extensions.
9365 %h was added in C99. %C was added in C99. %OY and %OC are
9366 extensions. Add the C99 format %F.
9367 (check_format_info): If pedantic and not in C99 mode, warn for C99
9370 Fri Aug 4 23:01:58 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9372 * function.c (schedule_fixup_var_refs): New function, broken out
9373 of put_reg_into_stack.
9374 (put_reg_into_stack): Use it.
9375 (put_var_into_stack): In CONCAT case, fixup up references for
9376 components only after fixing up references to the whole concat.
9378 2000-08-04 Rodney Brown <RodneyBrown@pmsc.com>
9380 * alias.c (mark_constant_function): Use INSN_P.
9381 (init_alias_analysis): Likewise.
9382 * combine.c (combine_instructions): Use INSN_P.
9383 (can_combine_p): Likewise.
9384 (try_combine): Likewise.
9385 (distribute_notes): Likewise.
9386 (distribute_links): Likewise.
9387 * cse.c (cse_around_loop): Use INSN_P.
9388 (invalidate_skipped_block): Likewise.
9389 (cse_set_around_loop): Likewise.
9390 (cse_end_of_basic_block): Likewise.
9391 (delete_trivially_dead_insns): Likewise.
9392 * emit-rtl.c (unshare_all_rtl_again): Use INSN_P.
9393 (unshare_all_rtl_1): Likewise.
9394 (next_cc0_user): Likewise.
9395 (try_split make_insn_raw): Likewise.
9396 (remove_unnecessary_notes): Likewise.
9397 * final.c (shorten_branches): Use INSN_P.
9398 (leaf_renumber_regs): Likewise.
9399 (leaf_renumber_regs_insn): Likewise.
9400 * flow.c (find_label_refs): Use INSN_P.
9401 (verify_wide_reg): Likewise.
9402 (notice_stack_pointer_modification): Likewise.
9403 (count_or_remove_death_notes): Likewise.
9404 (verify_flow_info): Likewise.
9405 (clear_log_links): Likewise.
9406 * function.c (fixup_var_refs_insns): Use INSN_P.
9407 (compute_insns_for_mem): Likewise.
9408 * gcse.c (alloc_gcse_mem): Use INSN_P.
9409 (compute_sets): Likewise.
9410 (compute_hash_table): Likewise.
9411 (classic_gcse): Likewise.
9413 (insert_insn_end_bb): Likewise.
9414 (delete_null_pointer_checks_1): Likewise.
9415 * global.c (expand_preferences): Use INSN_P.
9416 (build_insn_chain): Likewise.
9417 * graph.c (node_data): Use INSN_P.
9418 * haifa-sched.c (priority): Use INSN_P.
9419 (rm_line_notes): Likewise.
9420 (rm_other_notes): Likewise.
9421 (find_insn_reg_weight): Likewise.
9422 (init_target_units): Likewise.
9423 (schedule_block): Likewise.
9424 (compute_block_forward_dependences): Likewise.
9425 (debug_dependencies): Likewise.
9426 (set_priorities): Likewise.
9427 * integrate.c (function_cannot_inline_p): Use INSN_P.
9428 (save_parm_insns): Likewise.
9429 (copy_insn_list): Likewise.
9430 * jump.c (mark_all_labels): Use INSN_P.
9431 (never_reached_warning): Likewise.
9432 * lcm.c (optimize_mode_switching): Use INSN_P.
9433 * local-alloc.c (validate_equiv_mem): Use INSN_P.
9434 (memref_used_between_p): Likewise.
9435 (update_equiv_regs): Likewise.
9436 (block_alloc): Likewise.
9437 (no_conflict_p): Likewise.
9438 * loop.c (scan_loop): Use INSN_P.
9439 (find_and_verify_loops): Likewise.
9440 (count_loop_regs_set): Likewise.
9441 (loop_reg_used_before_p): Likewise.
9442 (strength_reduce): Likewise.
9443 (recombine_givs): Likewise.
9444 (check_dbra_loop): Likewise.
9445 (load_mems): Likewise.
9446 (try_copy_prop): Likewise.
9447 * print-rtl.c (print_rtx): Use INSN_P.
9448 * recog.c (find_single_use): Use INSN_P.
9449 * reg-stack.c (stack_regs_mentioned): Use INSN_P.
9450 (next_flags_user): Likewise.
9451 (swap_rtx_condition): Likewise.
9452 * regmove.c (mark_flags_life_zones): Use INSN_P.
9453 (optimize_reg_copy_1): Likewise.
9454 (optimize_reg_copy_2): Likewise.
9455 (optimize_reg_copy_3): Likewise.
9456 (reg_is_remote_constant_p): Likewise.
9457 (fixup_match_2): Likewise.
9458 (regmove_optimize): Likewise.
9459 (fixup_match_1): Likewise.
9460 * regrename.c (build_def_use): Use INSN_P.
9461 (replace_reg_in_block): Likewise.
9462 (consider_use): Likewise.
9463 * reload.c (find_equiv_reg): Use INSN_P.
9464 * reload1.c (reload): Use INSN_P.
9465 (maybe_fix_stack_asms): Likewise.
9466 (calculate_needs_all_insns): Likewise.
9467 (reload_as_needed): Likewise.
9468 (emit_output_reload_insns): Likewise.
9469 (delete_address_reloads_1): Likewise.
9470 (reload_cse_regs_1): Likewise.
9471 (reload_combine): Likewise.
9472 (reload_cse_move2add): Likewise.
9473 * reorg.c (redundant_insn): Use INSN_P.
9474 (dbr_schedule): Likewise.
9475 * resource.c (find_dead_or_set_registers): Use INSN_P.
9476 (mark_target_live_regs): Likewise.
9477 * rtlanal.c (reg_used_between_p): Use INSN_P.
9478 (reg_referenced_between_p): Likewise.
9479 (reg_set_between_p): Likewise.
9480 (reg_set_p): Likewise.
9481 (single_set): Likewise.
9482 (multiple_sets): Likewise.
9483 (find_last_value): Likewise.
9484 (reg_set_last): Likewise.
9485 (find_reg_note): Likewise.
9486 (find_regno_note): Likewise.
9487 * sibcall.c (sequence_uses_addressof): Use INSN_P.
9488 * simplify-rtx.c (cselib_process_insn): Use INSN_P.
9489 * ssa.c (find_evaluations): Use INSN_P.
9490 (rename_block): Likewise.
9491 (rename_equivalent_regs): Likewise.
9492 * unroll.c (loop_find_equiv_value): Use INSN_P.
9493 (set_dominates_use): Likewise.
9494 * varasm.c (mark_constant_pool): Use INSN_P.
9495 (mark_constants): Likewise.
9496 * config/alpha/alpha.c (alpha_does_function_need_gp): Use INSN_P.
9497 (alphaev4_next_group): Likewise.
9498 (alphaev5_next_group): Likewise.
9499 * config/c4x/c4x.c (c4x_process_after_reload): Use INSN_P.
9500 (c4x_rptb_rpts_p): Likewise.
9501 * config/mips/mips.c (mips16_optimize_gp): Use INSN_P.
9502 * config/rs6000/rs6000.c (uses_TOC): Use INSN_P.
9503 (rs6000_adjust_priority): Likewise.
9504 * config/sh/sh.c (sh_loop_align): Use INSN_P.
9505 (machine_dependent_reorg): Likewise.
9506 (split_branches): Likewise.
9507 * config/tahoe/tahoe.c (tahoe_cmp_check): Use INSN_P.
9509 Fri Aug 4 11:43:49 2000 John Wehle (john@feith.com)
9511 * combine.c (recog_for_combine): Remove the old notes
9512 prior to attempting to recognize the new pattern.
9513 (distribute_notes): Ignore REG_NONNEG notes.
9515 2000-08-04 Chandrakala Chavva <cchavva@redhat.com>
9517 * varasm.c (output_constructor): Add .align 0 for packed vars.
9519 2000-08-04 J. David Anglin <dave@hiauly1.hia.nrc.ca>
9521 * configure.in: Use default thread_file even when enable_threads is
9522 yes or dce because hpux10.20 pa port uses MULTILIB implementation.
9523 * configure: Rebuilt.
9525 * gthr-dce.h (__gthread_objc_condition_allocate): Fix typo.
9527 2000-08-04 Donn Terry (donnte@microsoft.com)
9529 * prefix.c (translate_name): Don't strip trailing DIR_SEPARATOR.
9531 2000-08-04 Mark Elbrecht <snowball3@bigfoot.com>
9533 * i386/x-djgpp: Delete code that conditionally modifies target_alias.
9534 Delete code that conditionally modifies 'version'.
9535 Delete X_CPPFLAGS. Add comment for SYSTEM_HEADER_DIR.
9536 * i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): New macro.
9537 * gcc.c (main): Use it.
9538 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): New macro.
9539 * prefix.c (update_path): Use it.
9540 * i386/djgpp.h (STANDARD_INCLUDE_DIR): Define.
9541 (MD_EXEC_PREFIX): Set to '/dev/env/DJDIR/bin/'.
9542 (ASM_OUTPUT_SECTION_NAME): Add code attribute to sections containing
9544 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Default to true.
9545 (SUBTARGET_SWITCHES): Adjust.
9546 (WCHAR_UNSIGNED, WCHAR_TYPE_SIZE, WCHAR_TYPE): Undefine before
9548 (WINT_TYPE, SIZE_TYPE, PTRDIFF_TYPE): Define.
9550 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
9552 * c-common.h (flag_isoc94): Declare.
9553 * c-decl.c (flag_isoc94): Define.
9554 (c_decode_option): Set flag_isoc94 as appropriate.
9555 * c-common.c (T_PD, T_IM, T_UIM): Define.
9556 (format_char_info): Add tlen and jlen.
9557 (print_char_table): Add entries for %t and %j. Allow %zn. Allow
9559 (scan_char_table): Add entries for %t and %j. Allow %F. Allow
9561 (time_char_table): Add NULL entries for %t and %j.
9562 (check_format_info): Allow for %t and %j. Warn for %F if pedantic
9563 and not C99. Warn for %lc, %ls and %l[ if pedantic and not C94.
9564 Warn for printf %lf if pedantic and not C99. Don't warn for empty
9565 precision. Allow precision argument to be unsigned int. If
9566 pedantic, warn for %p passed an argument not a pointer to possibly
9567 qualified void or a possibly qualified character type, and for
9568 pointer targets of the wrong sign, except for character pointers.
9570 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
9572 * ginclude/stddef.h: Don't declare wint_t unless __need_wint_t.
9573 * c-common.h (enum c_tree_index): Add CTI_WINT_TYPE.
9574 (wint_type_node): Define.
9575 * c-decl.c (WINT_TYPE): Define.
9576 (init_decl_processing): Create the wint_type_node type.
9577 * c-common.c (T_WI): Define.
9578 (print_char_table): Use T_WI for %lc format.
9580 2000-08-04 Bruce Korb <bkorb@gnu.org>
9582 * fixinc/: Verified that the MSDOS patch does not break
9583 the UNIX functionality and applied the next three patches
9586 2000-07-28 Eli Zaretskii <eliz@is.elta.co.il>
9588 * fixinc/fixfixes.c (main) [__MSDOS__]: Avoid overwriting the
9589 output file with the temporary one by appending ".X" to generate
9590 the temporary fuile's name. If the output file already has an
9591 extension, replace it with ".X".
9593 * fixinc/fixincl.c (fix_with_system) [__MSDOS__]: Use $ORIGDIR,
9594 not $DESTDIR, to find applyfix. Use sprintf instead of snprintf;
9595 reallocate the command buffer while copying the command-line
9596 argument. Redirect the output directly to the temporary file,
9597 instead of going through another temporary file.
9598 (process): Close the temporary file before unlinking it.
9599 (machine_matches) [__MSDOS__]: If the machine doesn't match, set
9600 the FD_SKIP_TEST flag. Pay attention to the FD_MACH_IFNOT flag.
9601 (run_compiles): Pass p_fixd argument to machine_matches, as it
9604 * fixinc/fixincl.sh: Export ORIGDIR. If $DJDIR is set in the
9605 environment, assume there are no symlinks in the include
9606 directory. When cleaning up the DONE files, look for them
9607 case-insensitively. Don't try to remove symlinks if they aren't
9610 * fixinc/fixlib.c (make_raw_shell_str): Accept new argument smax;
9611 all callers changed. Declare pz "const char *", to avoid compiler
9614 * fixinc/fixlib.h (ENV_TABLE): Get ORIGDIR from the environment.
9615 Change prototype of make_raw_shell_str.
9617 2000-07-27 Eli Zaretskii <eliz@is.elta.co.il>
9619 * fixinc/fixincl.c [__MSDOS__]: Don't include "server.h".
9620 (initialize) [__MSDOS__]: Use tempnam.
9621 (initialize): Don't use SIGPIPE if it is not defined.
9623 * fixinc/fixfixes.c (main) [__MSDOS__]: freopen for stdout should
9626 2000-07-25 Bruce Korb <bkorb@gnu.org>
9628 * fixinc/fix*.[ch]: substantially reworked to make it possible
9629 to run this program without using fork(2) or pipe(2) (i.e. in
9632 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
9634 * cppdefault.h (WINT_TYPE): Define.
9635 * cppinit.c (builtin_array): Define __WINT_TYPE__.
9636 * tradcpp.c (initialize_builtins): Define __WINT_TYPE__.
9637 * tm.texi (NO_BUILTIN_WINT_TYPE, WINT_TYPE): Document.
9639 Fri Aug 4 06:53:46 2000 Clinton Popetz <cpopetz@cygnus.com>
9641 * (mips_legitimate_address_p): Don't allow register+offset
9642 if the offset is large and negative, and we are compiling
9643 for 64 bit registers.
9645 2000-08-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9647 * gencodes.c (main): Define CODE_FOR_nothing as the last possible
9648 insn_code_number + 1.
9650 2000-08-04 Kazu Hirata <kazu@hxi.com>
9652 * h8300.c (function_prologue): Rearrange code for conciseness.
9653 (function_epilogue): Likewise.
9654 * h8300.h (OK_FOR_U): Fix formatting.
9656 * cse.c: Fix a comment typo. Fix formatting.
9658 2000-08-03 Richard Henderson <rth@cygnus.com>
9660 * config/i386/i386.md (return_indirect_internal): New.
9661 * config/i386/i386.c (ix86_expand_epilogue): Use it.
9663 2000-08-03 Zack Weinberg <zack@wolery.cumb.org>
9665 * cpplex.c (parse_name): Might have to glue a CPP_OTHER token
9667 (lex_line): Glue @ onto the beginning of identifiers and
9668 string constants, in Objective-C mode.
9669 (output_token, spell_token): Handle CPP_OSTRING.
9670 (can_paste, maybe_paste_with_next): Handle pasting @ onto the
9671 beginning of a NAME or a STRING, in objc mode.
9673 * cpplib.c (get_define_node): Do not permit identifiers that
9674 begin with @ to be #defined.
9675 * cppmacro.c (CAN_PASTE_AFTER): Add CPP_OTHER.
9676 * cpplib.h (TTYPE_TABLE): Add CPP_OSTRING.
9678 * c-lang.c, objc/objc-act.c (build_objc_string): Delete.
9679 * c-tree.h (build_objc_string): Delete prototype.
9680 * objc/objc-tree.def: Delete OBJC_STRING_CST.
9681 * c-lex.c (yylex): Use build_string for all three kinds of strings.
9683 * c-parse.in, objc/objc-act.c: Update commentary.
9685 2000-08-03 Mark Mitchell <mark@codesourcery.com>
9687 * extend.texi: Fix typo in last change.
9689 * extend.texi: Add commentary on statement-expressions and their
9690 interactions with C++.
9692 2000-08-03 Nick Clifton <nickc@cygnus.com>
9694 * dwarf2.h (DW_LANG_Java): Change value to 0x000b.
9695 * dwarf.h (LANG_JAVA): Change value to 0x000b.
9697 2000-08-03 Anthony Green <green@cygnus.com>
9699 * dwarf2out.c (gen_compile_unit_die): Add java language support.
9700 (add_bound_info): Check for java language.
9701 (is_java): New function.
9702 * dwarfout.c (output_compile_unit_die): Ditto.
9703 * dwarf.h (dwarf_source_language): Add java source language type.
9704 * dwarf2.h (dwarf_source_language): Ditto.
9706 Thu Aug 3 20:32:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
9708 * reg-stack.c (subst_stack_regs_pat): Use replace_reg to swap
9711 * i386.c (ix86_expand_branch): Mode of comparison in
9712 IF_THEN_ELSE is VOIDmode.
9714 Thu Aug 3 10:05:53 2000 Akiko Matsushita <matusita@sra.co.jp>
9716 * gengenrtl.c, rtl.c: Avoid #elif.
9718 2000-08-03 Michael Poole <poole@troilus.org>
9720 * tm.texi (Register Classes): Clarify order of sub-initializers
9721 in REG_CLASS_CONTENTS.
9723 Thu Aug 3 15:53:03 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9725 From SAITOH Masanobu:
9726 * sh.h (ASM_OUTPUT_REG_PUSH): Fix syntax.
9728 2000-08-03 David Billinghurst <David.Billinghurst@riotinto.com.au>
9730 * config/i386/cygwin.h: Remove -remap from CPP_SPEC since this option
9731 is not supported by tradcpp and isn't actually needed for cygwin.
9733 2000-08-03 Kazu Hirata <kazu@hxi.com>
9735 * h8300.c: Fix a comment typo.
9736 * h8300.h (OK_FOR_U): Accept a 32-bit constant address on H8/S.
9738 * jump.c: Fix formatting.
9740 * toplev.c: Fix formatting.
9742 Thu Aug 3 01:05:32 2000 Jeffrey A Law (law@cygnus.com)
9744 * flow.c (find_auto_inc): Verify that we've got a REG before
9745 peeking at its regno. Fail, don't abort if we can't find
9746 the increment of the desired register.
9748 * pa.md (shadd height reduction patterns/splitters): Remove.
9750 2000-08-02 Jim Wilson <wilson@cygnus.com>
9752 * config/ia64/ia64-protos.h (flag_ssa): Declare.
9753 * config/ia64/ia64.md (movti_internal, movti_internal+1): New.
9755 2000-08-02 Mark Mitchell <mark@codesourcery.com>
9757 * dce.c: Remove all uses of assert.
9758 * dwarf2out.c: Likewise.
9759 * dwarfout.c: Likewise.
9762 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
9764 * gcc.h (lang_specific_driver): Constify second argument.
9765 * gcc.c (translate_options, process_command, main): Likewise.
9766 Constify variables to match. Cast second argument to
9769 * cppspec.c, gccspec.c: Adjust type of second argument to
9770 lang_specific_driver, and update code as necessary.
9772 2000-08-02 Jakub Jelinek <jakub@redhat.com>
9774 * loop.c (scan_loop): Ensure update_end label does not
9775 go away until reg_scan_update is run.
9777 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
9779 * c-common.h: Prototype min_precision and c_build_qualified_type here...
9780 * c-tree.h: ... not here.
9781 * errors.h: Prototype fancy_abort.
9783 * emit-rtl.c (gen_lowpart_common): Move variable 'c' into
9784 HOST_BITS_PER_WIDE_INT == 64 ifdef block.
9785 * regrename.c (regrename_optimize): Make control flow explicit.
9786 (replace_reg_in_block): Initialize reg_use to 0.
9788 * i386.c (legitimate_address_p): Rename error label to
9789 report_error to avoid namespace clash.
9791 2000-08-02 Kazu Hirata <kazu@hxi.com>
9793 * fold-const.c: Fix formatting.
9795 Wed Aug 2 16:26:15 MET DST 2000 Jan Hubicka <jh@suse.cz>
9797 * i386.c (legitimate_address_p): Accept other bases than
9798 pic_offset_table_rtx for GOTOFF constructs.
9800 Wed Aug 2 15:59:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
9802 * i386.md (shift to lea splitter): Use const_int_operand.
9804 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
9806 * cppexp.c, cppinit.c, cpplex.c, cpplib.c, cppmacro.c,
9807 cppspec.c: Do not use 'legal' or 'illegal' in error messages
9810 * cppmain.c (cb_define, cb_undef): Don't generate any output
9811 if not done_initializing.
9812 * cpplex.c (maybe_paste_with_next): When the token after a ##
9813 is an omitted rest argument, only delete the token before it
9814 if that token is a comma. Do not warn about bogus token
9815 pastes for , ## rest_arg.
9818 * cpp.1: Regenerate.
9820 2000-08-02 Fred Fish <fnf@be.com>
9822 * config/i386/beos-elf.h (STARTFILE_SPEC): Add i386-mcount.o
9823 when user gives -p option. Add init_term_dyn.o for BeOS 5.0
9826 * config/i386/beos-elf.h (INCLUDE_DEFAULTS): Add additional
9827 Be directories to search path.
9829 Remove support for __declspec(dllimport) and __declspec(dllexport).
9830 This is leftover cruft from the earlier BeOS gcc port when BeOS
9831 used Microsoft's PE object file format.
9832 * configure.in (i*86-*-beoself): Remove extra_objs=winnt.o.
9833 * config/i386/t-beos (winnt.o): Remove Makefile frag.
9834 * config/i386/beos-elf.h (TARGET_NOP_FUN_DLLIMPORT): Remove.
9835 (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
9836 (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
9837 (MERGE_MACHINE_DECL_ATTRIBUTES): Remove.
9838 (REDO_SECTION_INFO_P): Remove.
9839 (ASM_EXPORT_DECL): Remove.
9840 (ASM_DECLARE_FUNCTION_NAME): Remove.
9841 (ASM_DECLARE_OBJECT_NAME): Remove.
9842 (ASM_OUTPUT_ALIGNED_COMMON): Remove.
9843 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Remove.
9844 (ASM_OUTPUT_ALIGNED_LOCAL): Remove.
9845 (STRIP_NAME_ENCODING): Remove.
9847 Remove support for obsolete version of BeOS that is no longer
9849 * configure.in (i*86-*-beospe*): Remove.
9850 * config/i386/beos-pe.h: Remove.
9852 2000-08-01 Jeffrey Oldham <oldham@codesourcery.com>
9853 Mark Mitchell <mark@codesourcery.com>
9855 * Makefile.in (OBJS): Added dce.o.
9856 (ssa.o): Updated target to include ssa.h.
9858 (toplev.o): Likewise.
9859 (dce.o): Created target.
9860 * basic-block.h: Added comments.
9861 (INVALID_BLOCK): Added definition.
9862 (connect_infinite_loops_to_exit): Added declaration.
9863 Moved SSA declarations to ssa.h.
9864 * flow.c: Added inclusion of ssa.h.
9865 (struct depth_first_search_dsS, depth_first_search_ds):
9867 (compute_immediate_postdominators): Added definition.
9868 (connect_infinite_loops_to_exit): Likewise.
9869 (flow_dfs_compute_reverse_init): Likewise.
9870 (flow_dfs_compute_reverse_add_bb): Likewise.
9871 (flow_dfs_compute_reverse_execute): Likewise.
9872 (flow_dfs_compute_reverse_finish): Likewise.
9873 * rtl.h (rtx/in_struct): Added use to determine insn necessity.
9874 (LABEL_P): Added definition.
9877 (BARRIER_P): Likewise.
9878 (JUMP_TABLE_DATA_P): Likewise.
9879 (INSN_DEAD_CODE_P): Likewise.
9880 * ssa.c: Replaced inclusions with ssa.h inclusion.
9881 (CONVERT_HARD_REGISTER_TO_SSA_P): Moved to ssa.h.
9882 (rename_registers): Removed unnecessary variables.
9883 * ssa.h: Created by moving declarations from ssa.c and
9885 * timevar.def: Defined TV_DEAD_CODE_ELIM.
9886 * toplev.c: Added ssa.h inclusion.
9887 (dump_file_index): Added DFI_dce.
9888 (dump_file): Added "dce" entry.
9890 (f_options): Added dce entry.
9891 * invoke.texi: Document -fdce. Emphasize experimental status of
9895 2000-08-01 Zack Weinberg <zack@wolery.cumb.org>
9897 * cpperror.c (v_message): Split into _cpp_begin_message and
9898 v_message macro. All callers updated.
9899 (_cpp_begin_message): Do inhibit_errors/inhibit_warnings
9902 * cppfiles.c (cpp_syshdr_flags): New function.
9903 (read_include_file): Don't call cpp_output_tokens. Call
9905 * cppinit.c (dump_macros_helper): Moved to cppmain.c.
9906 (cpp_reader_init): Don't initialize token_buffer. Call
9907 _cpp_init_internal_pragmas.
9908 (cpp_cleanup): Don't clear token_buffer.
9909 (cpp_start_read): Don't worry about output from -D processing.
9910 Don't call cpp_output_tokens.
9911 (cpp_finish): Don't dump macros here. Don't call
9913 * cppmacro.c (_cpp_dump_definition): Rename
9914 cpp_dump_definition. Write directly to a FILE *.
9915 (dump_funlike_macro): Delete.
9916 (dump_macro_args): New.
9918 * cpplex.c (TOKEN_LEN): Convert to inline function.
9919 (_cpp_grow_token_buffer, safe_fwrite, cpp_output_tokens,
9920 cpp_scan_line, _cpp_dump_list): Delete.
9921 (cpp_printf, cpp_output_list): New.
9922 (output_line_command): Don't worry about entering or leaving files.
9923 (cpp_scan_buffer): Just output each token as we hit it.
9924 (process_directive): Don't call cpp_output_tokens.
9925 (_cpp_glue_header_name): Don't use token_buffer.
9926 (output_token, dump_param_spelling): Write directly to a FILE *.
9928 * cpplib.c (pass_thru_directive, dump_macro_name,
9929 pragma_dispatch, do_pragma_gcc): Delete.
9930 (do_define, do_undef, parse_include, do_line, do_ident, do_pragma,
9931 do_pragma_poison, cpp_pop_buffer): Call the appropriate hook
9933 (do_error, do_warning, pragma_dependency): Call
9934 _cpp_begin_message, then cpp_output_list.
9935 (cpp_register_pragma, cpp_register_pragma_space,
9936 _cpp_init_internal_pragmas): New.
9937 (do_pragma): Walk the pragmas table here.
9938 (do_pragma_once, do_pragma_poison, do_pragma_system_header,
9939 do_pragma_dependency): Return void.
9940 (do_pragma_implementation): Moved to cppmain.c.
9942 * cpplib.h: Update prototypes.
9943 (struct cpp_reader): Remove printer, token_buffer,
9944 token_buffer_size, and limit. Add struct cb, and pragmas.
9945 (struct cpp_printer): Remove last_id and written.
9946 (CPP_WRITTEN, CPP_PWRITTEN, CPP_SET_WRITTEN,
9947 CPP_ADJUST_WRITTEN): Delete.
9948 * cpphash.h: Update prototypes.
9949 (ufputs): New wrapper.
9951 * cppmain.c (cb_define, cb_undef, cb_include, cb_ident,
9952 cb_enter_file, cb_leave_file, cb_def_pragma): New functions.
9953 (main): Set up callbacks. Register #pragma implementation.
9954 Dump macros from here.
9956 2000-08-01 Geoff Keating <geoffk@cygnus.com>
9958 * rtl.h (enum reg_note): Add REG_MAYBE_DEAD.
9959 * rtl.c (reg_note_name): Add REG_MAYBE_DEAD.
9960 * flow.c (propagate_one_insn): Allow deletion of prologue/epilogue
9961 insns if they have a REG_MAYBE_DEAD note attached.
9962 * config/rs6000/rs6000.c (rs6000_maybe_dead): New function.
9963 (rs6000_emit_load_toc_table): TOC loads may go dead.
9965 2000-08-01 Jim Wilson <wilson@cygnus.com>
9967 * config/ia64/ia64.c (ia64_function_arg): Fix last change. Verify
9968 type exists before using it. Use number of words as alignment
9970 (ia64_function_arg_partial_nregs, ia64_function_arg_advance,
9971 ia64_va_arg): Propagate ia64_function_args changes here.
9973 2000-08-01 Richard Henderson <rth@cygnus.com>
9975 * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Care for null DECL.
9976 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
9978 2000-08-01 Bernd Schmidt <bernds@cygnus.co.uk>
9980 From Joern Rennecke:
9981 * sh.h (CPP_SPEC, TARGET_SWITCHES): Add m4-nofpu.
9982 * sh.md (udivsi3, divsi3): Don't use libcalls that use the FPU
9983 unless TARGET_SH3E is set.
9984 * t-sh (MULTILIB_MATCHES): Add m2=m4-nofpu.
9986 * sh.md (ashlsi3_d, ashlsi3_k): Remove, replace with
9987 (ashlsi3_std): New pattern.
9988 (ashlsi3 expander): Use it for TARGET_SH3.
9989 * sh.c (gen_ashift): Use it instead of ashlsi3_k.
9991 Tue Aug 1 12:34:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
9993 * loop.c (canonicalize_condition): Use destination, not source to
9994 determine SET's mode.
9996 2000-07-31 Mark Mitchell <mark@codesourcery.com>
9998 * flow.c (clear_log_links): Fix typo.
10000 Mon Jul 31 22:19:24 2000 Jeffrey A Law (law@cygnus.com)
10002 * loop.c (check_dbra_loop): Make change from July 17, 2000 work
10003 on targets which need more than one insn for a compare/cbranch
10006 2000-07-31 Jim Wilson <wilson@cygnus.com>
10008 * config/ia64/ia64.c (ia64_function_arg): Use alignment not size
10009 when computing offset.
10011 Mon Jul 31 20:35:50 2000 Denis Chertykov <denisc@overta.ru>
10013 * genpeep.c (main): Handle DEFINE_PEEPHOLE2.
10015 2000-07-31 Geoff Keating <geoffk@cygnus.com>
10017 * flow.c (clear_log_links): Nuke global_live_at_start and
10018 global_live_at_end data, since if the log_links stuff is invalid
10019 so is global_live_at_*.
10021 2000-07-31 Richard Henderson <rth@cygnus.com>
10023 * tm.texi (Addressing Modes): Clarify PRE/POST_MODIFY descriptions.
10025 2000-07-31 Jakub Jelinek <jakub@redhat.com>
10027 * cpplex.c (_cpp_get_line): If index is 0, return line 0 col 0.
10028 (_cpp_get_token): Don't macro expand a just pasted token if it
10029 was pasted at no_expand_level.
10031 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
10033 * cppmacro.c (find_param, count_params, save_expansion):
10034 Permit 'defined' as a macro parameter name.
10036 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
10038 * Makefile.in: Rename cpp to cpp0, tradcpp to tradcpp0, and
10039 xcpp to cpp throughout.
10040 (native): Remove unnecessary dependency on cpp.
10042 * gcc.c (trad_capable_cpp, C specs): Rename cpp to cpp,
10043 tradcpp to tradcpp0.
10044 (.i spec): Add missing output-file spec to cc1 command line.
10045 * objc/lang-specs.h: Rename cpp to cpp0 and/or tradcpp to tradcpp0.
10047 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
10049 * c-decl.c (mesg_implicit_function_declaration): Init to -1.
10050 (implicit_decl_warning): New function.
10051 (implicitly_declare): Use it.
10052 * c-typeck.c (build_external_ref): Use implicit_decl_warning
10053 to complain about implicit decls of builtins.
10055 * c-lang.c (lang_init): Set mesg_implicit_function_declaration
10056 based on pedantic && flag_isoc99, if not already set.
10057 * c-tree.h: Declare mesg_implicit_function_declaration.
10058 Prototype implicit_decl_warning.
10060 2000-07-30 Jeffrey D. Oldham <oldham@codesourcery.com>
10062 * Makefile.in (ssa.o): Updated header files in dependences.
10063 * basic-block.h: Added compute_immediate_postdominators declaration.
10064 * config/i386/i386.h (CONVERT_HARD_REGISTER_TO_SSA_P): Added
10066 * flow.c (compute_immediate_dominators): Updated comment.
10067 (compute_immediate_postdominators): Added definition.
10068 * rtl.h (HARD_REGISTER_P): Added definition.
10069 * ssa.c: Include additional header files.
10070 (assert): Added definition.
10071 (ssa_rename_to_lookup): Added to reimplement ssa_rename_to to
10072 include select hard registers.
10073 (ssa_rename_to_insert): Likewise.
10074 (ssa_rename_from_initialize): Likewise.
10075 (ssa_rename_from_lookup): Likewise.
10076 (original_register): Likewise.
10077 (ssa_rename_from_insert): Added to reimplement ssa_rename_from to
10078 include select hard reigsters.
10079 (ssa_rename_from_traverse): Likewise.
10080 (ssa_rename_from_free): Likewise.
10081 (ssa_rename_from_print): Likewise.
10082 (ssa_rename_from_print_1): Likewise.
10083 (ssa_rename_from_hash_function): Likewise.
10084 (ssa_rename_from_equal): Likewise.
10085 (ssa_rename_from_delete): Likewise.
10086 (simplify_to_immediate_dominators): Removed in favor of
10087 flow.c:compute_immediate_dominators.
10088 (find_evaluations_1): Modified to work with hard registers.
10089 (insert_phi_node): Likewise.
10090 (insert_phi_nodes): Likewise.
10091 (struct rename_set_data): Updated prev_reg comment.
10092 (create_delayed_rename): Modified to work with hard registers.
10093 (RENAME_NO_RTX): Updated comment.
10094 (apply_delayed_renames): Modified to work with hard registers.
10095 (rename_insn_1): Likewise and added handling of CLOBBER rtls.
10096 (rename_block): Updated to use revised ssa_rename_to interface.
10097 (rename_registers): Updated to use revised ssa_rename_to and
10098 ssa_rename_from interface.
10099 (convert_to_ssa): Revised to use compute_immediate_dominators and
10100 deal with hard registers.
10101 (make_regs_equivalent_over_bad_edges): Modified to work with hard
10102 registers. Added check for illegal unification of hard register.
10103 (make_equivalent_phi_alternatives_equivalent): Modified to work
10104 with hard registers.
10105 (compute_conservative_reg_partition): Likewise.
10106 (coalesce_if_unconflicting): Modified to work with hard registers
10107 and check for conflicting hard registers.
10108 (mark_phi_and_copy_regs): Revised loop to work only on pseudo
10110 (rename_equivalent_regs_in_insn): Modified to work with hard
10112 (record_canonical_element_1): Added definition.
10113 (check_hard_regs_in_partition): Added definition.
10114 (convert_from_ssa): Added data structure deallocation and check
10115 for illegal hard register unification.
10116 (conflict_hard_regs_p): Added definition.
10117 * toplev.c (rest_of_compilation): Added comment.
10119 2000-07-31 Anthony Green <green@redhat.com>
10121 * config/ia64/crtbegin.asm (__EH_FRAME_BEGIN__): Align correctly.
10123 2000-07-31 Jason McMullan <jmcmullan@linuxcare.com>
10125 * builtins.c (expand_builtin_apply): Don't defer pop during
10128 2000-07-31 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10130 * calls.c (combine_pending_stack_adjustment_and_call): Only use
10131 preferred_unit_stack_boundary when it is > 1.
10133 2000-07-31 Joseph S. Myers <jsm28@cam.ac.uk>
10135 * c-common.c (init_function_format_info): Add C99 format functions
10138 * c-decl.c (get_parm_info): Don't treat 'const void', 'volatile
10139 void' or 'register void' as being the special case of 'void' alone
10140 in a parameter list.
10142 * c-typeck.c (build_c_cast): Change -Wcast-qual pedwarn for
10143 discarding qualifiers into a plain warning.
10145 2000-07-31 Kazu Hirata <kazu@hxi.com>
10147 * combine.c: Fix formatting.
10149 * h8300.md: Fix formatting.
10151 * local-alloc.c: Fix formatting.
10153 * h8300.c (get_shift_alg): Remove the variable alg.
10154 (emit_a_shift): Rearrange code to improve readability.
10156 * h8300.md (movsi_h8300hs): Rearrange code to improve readability.
10158 * h8300.h (MODES_TIEABLE_P): Accept a combination of QImode and
10159 HImode on all architectures and a combination of HImode and SImode
10160 on H8/300H and H8/S.
10162 * h8300.c (split_adds_subs): Rearrange code for conciseness.
10164 Mon Jul 31 12:27:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
10166 * i386.md (addsi to lea splitter, ashlqi3_1_lea): Fix bugs
10167 in my last checkin.
10169 Mon Jul 31 10:41:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
10171 * recog.c (extract_insn): Set operand_mode according to
10172 operand if match_operand is VOIDmode.
10174 Mon Jul 31 10:36:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
10176 * recog.c (validate_replace_rtx_1): Do not abort for (nil) expression.
10178 2000-07-31 Geoff Keating <geoffk@cygnus.com>
10180 * c-parse.in (extdefs): Call ggc_collect between external
10183 2000-07-30 Michael Hayes <mhayes@cygnus.com>
10184 Richard Henderson <rth@cygnus.com>
10186 * Makefile.in (OBJS): Add doloop.o.
10187 * doloop.c: New file.
10189 * final.c (insn_current_reference_address): Return 0 before final.
10190 * flags.h (flag_branch_on_count_reg): Fix typos in commentary.
10191 * jump.c (any_uncondjump_p): Likewise.
10192 * loop.c (indirect_jump_in_function): Make static.
10193 (strength_reduce): Call doloop_optimize.
10194 (insert_bct, instrument_loop_bct): Remove.
10195 * loop.h (doloop_optimize): Prototype.
10196 * recog.c (split_all_insns): Split all INSN_P.
10197 * toplev.c (flag_branch_on_count_reg): Default on.
10199 * config/c4x/c4x.c (c4x_optimization_options): Don't set
10200 flag_branch_on_count_reg.
10201 * config/i386/i386.c (override_options): Likewise.
10202 * config/rs6000/rs6000.c (optimization_options): Likewise.
10204 * config/i386/i386.md (decrement_and_branch_on_count): Remove.
10206 (dbra_ge): Remove, as well as all it's splitters.
10208 * config/rs6000/rs6000.md (decrement_and_branch_on_count): Remove.
10211 * config/ia64/ia64-protos.h (ar_lc_reg_operand): Declare.
10212 (ia64_register_move_cost): Declare.
10213 * config/ia64/ia64.c (ar_lc_reg_operand): New.
10214 (struct ia64_frame_info): Add ar_size.
10215 (ia64_compute_frame_size): Set it.
10216 (save_restore_insns): Save and restore ar.lc.
10217 (ia64_register_move_cost): New, moved from header file. Handle
10218 application registers.
10219 (REG_AR_PFS, REG_AR_EC): Remove. Replace with AR_*_REGNUM numbers.
10220 (emit_insn_group_barriers): Special case doloop_end_internal.
10221 (ia64_epilogue_uses): Mark ar.lc live at end.
10222 * config/ia64/ia64.h (AR_CCV_REGNUM, AR_LC_REGNUM): New registers.
10223 (AR_EC_REGNUM, AR_PFS_REGNUM): New registers.
10224 (FIRST_PSEUDO_REGISTER): Make room.
10225 (AR_M_REGNO_P, AR_I_REGNO_P, AR_REGNO_P): New.
10226 (FIXED_REGISTERS, CALL_USED_REGISTERS): Update.
10227 (REG_ALLOC_ORDER): Update.
10228 (HARD_REGNO_MODE_OK): Update.
10229 (REGISTER_NAMES): Update.
10230 (enum reg_class): Add AR_M_REGS and AR_I_REGS.
10231 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
10232 (REGNO_REG_CLASS): Update.
10233 (LEGITIMATE_ADDRESS_DISP): Displacement range is 9 bits, not 10.
10234 (REGISTER_MOVE_COST): Move out of line.
10235 (PREDICATE_CODES): Update.
10236 * config/ia64/ia64.md (movdi patterns): Handle ar register classes.
10237 (addsi3_plus1_alt, adddi3_plus1_alt): New.
10238 (shladd_elim splitter): Allow constants in the predicate.
10239 (doloop_end, doloop_end_internal): New.
10241 2000-07-30 Richard Henderson <rth@cygnus.com>
10243 * genattrtab.c (struct insn_def): Add lineno member.
10244 (struct insn_ent): Likewise.
10245 (struct attr_desc): Likewise.
10246 (struct delay_desc): Likewise.
10247 (struct function_unit_op): Likewise.
10248 (struct function_unit): Likewise.
10249 (check_attr_value): Use message_with_line.
10250 (check_defs): Likewise.
10251 (expand_units): Likewise.
10252 (check_attr_test): Take a lineno argument.
10253 (gen_attr): Likewise.
10254 (gen_insn): Likewise.
10255 (gen_delay): Likewise.
10256 (gen_unit): Likewise.
10257 (main): Give it to them.
10258 (convert_set_attr_alternative): Take an insn_def argument
10259 instead of num_alt and insn_index.
10260 (convert_set_attr): Likewise.
10261 (write_test_expr): Protect INSN_ADDRESSES load
10262 with INSN_ADDRESSES_SET_P.
10264 2000-07-30 Richard Henderson <rth@cygnus.com>
10266 * flow.c (init_propagate_block_info): Use pc_set.
10268 Sun Jul 30 20:58:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
10270 * i386.md (*lea_general_[123]) New insns and splits.
10271 (addsi3 to lea splitter): Handle other modes too.
10272 (shlsi3 to lea splitter): Likewise.
10273 (addhi_1_lea, shlhi_1_lea): New patterns.
10274 (addhi_1, shlhi_1): Conditionize by PARTIAL_REG_STALL.
10276 Sun Jul 30 20:51:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
10278 * recog.c (general_operand, nonimmediate_operand): Accept
10279 any mode for VOIDmode CONSTANT_P operands.
10281 Sun Jul 30 20:42:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
10283 * gcse.c (try_replace_reg): Use validate_replace_rtx_subexp
10284 instead of replace_rtx.
10285 * recog.c (validate_replace_rtx_subexp): New function.
10286 * recog.h (validate_replace_rtx_subexp): Declare.
10288 Sun Jul 30 20:38:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
10290 * combine.c (simplify_set, make_extraction, make_compound_operation
10291 make_field_assignment): Use full mask instead of GET_MODE_MASK (mode)
10292 as force_to_mode argument.
10294 Sun Jul 30 20:30:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
10296 * combine.c (if_then_else_cond): Be sure that mode fits in
10299 Sun Jul 30 20:27:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
10301 * combine.c (record_promoted_value): Allow bitsize of mode
10302 to be equivalent to HOST_BITS_PER_WISE_INT.
10304 Sun Jul 30 20:25:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
10306 * function.c (assign_stack_local_1, assign_stack_temp_for_type):
10307 Do not call gen_mode_alignment when mode is BLKmode.
10309 Sun Jul 30 20:21:54 MET DST 2000 Jan Hubicka <jh@suse.cz>
10311 * loop.c (express_from_1): Fix call of simplify_gen_binary.
10313 Sun Jul 30 20:08:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
10315 * simplify-rtx.c (simplify_relational_operation): Verify that mode ==
10316 VOIDmode implies both operands to be VOIDmode.
10317 (simplify_ternary_operation): Compute properly the mode of comparison.
10318 * combine.c (combine_simplify_rtx): Likewise.
10320 2000-07-25 Michael Hayes <mph@paradise.net.nz>
10322 * basic-block.h (struct loops): New field rc_order.
10323 * flow.c (flow_loops_cfg_dump): Dump rc_order if computed.
10324 (flow_loops_free): Free rc_order.
10325 (flow_depth_first_order_compute): New parameter rc_order.
10326 (flow_loops_find): Allocate rc_order and swap usage with
10329 2000-07-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10330 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10332 * config/c4x/c4x.md (set_ldp_prologue): Add for RTL prologue/epilogue.
10333 (push_st, push_dp, pop_st, pop_dp, popqi_unspec): Likewise.
10334 (nodb_call, return_from_epilogue): Likewise.
10335 (return_from_interrupt_epilogue, prologue, epilogue): Likewise.
10336 * config/c4x/c4x.c (c4x_expand_prologue, c4x_expand_eplilogue): Add.
10337 * config/c4x/c4x-protos.h (c4x_interrupt_function_p): Add.
10338 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
10339 (c4x_valid_type_attribute_p): Likewise.
10340 * config/c4x/c4x.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Delete.
10341 (FUNCTION_BLOCK_PROFILER_EXIT): Convert to emit RTL.
10343 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10345 * config/c4x/c4x.c (c4x_emit_move_sequence): Use loadqi_big_constant
10346 and loadhi_big_constant if applicable.
10347 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant): Tweak
10348 and add new splitter.s
10350 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10352 * config/c4x/c4x.c (c4x_rptb_insert): Make more robust.
10354 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10356 * config/c4x/c4x.h (ASM_FORMAT_PRIVATE_NAME): Output $ in label.
10358 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10360 * config/c4x/c4x.h (IS_XXX_REGNO): Rewrite to avoid unsigned warnings.
10362 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10364 * config/c4x/libgcc.S (divqf3): Improve accuracy.
10366 2000-07-27 Mark Mitchell <mark@codesourcery.com>
10368 Put phi nodes after NOTE_INSN_BASIC_BLOCK.
10369 * rtl.h (NOTE_INSN_BASIC_BLOCK_P): New macro.
10370 * bb-reorder.c (get_next_bb_note): Use NOTE_INSN_BASIC_BLOCK_P.
10371 (get_prev_bb_note): Likewise.
10372 (remove_scope_notes): Likewise.
10373 * flow.c (commit_one_edge_insertion): Likewise.
10374 (merge_blocks_nomove): Likewise.
10375 (verify_flow_info): Likewise.
10376 * gcse.c (insert_insn_end_bb): Likewise.
10377 * reg-stack.c (emit_swap_insn): Likewise.
10378 * ssa.c (first_insn_after_basic_block_note): New function.
10379 (insert_phi_node): Use it.
10380 (rename_block): Likewise.
10381 (eliminate_phi): Likewise.
10382 (make_regs_equivalent_over_bad_edges): Likewise.
10383 (make_equivalent_phi_alternatives_equivalent): Likewise.
10384 (for_each_successor_phi): Likewise.
10385 (convert_from_ssa): Modify phi-node deletion algorithm.
10387 2000-07-29 Andreas Jaeger <aj@suse.de>
10389 * configure.in (mips*-*-linux*): Use mips*el to check for little
10390 endian MIPS, add tmake_file.
10392 * config/mips/linux.h (TARGET_VERSION): Use GNU/Linux.
10393 (SUBTARGET_CPP_SPEC): Default MIPS_ISA is 1.
10394 Patches by Maciej W. Rozycki <macro@ds2.pg.gda.pl>.
10396 2000-07-28 Richard Henderson <rth@cygnus.com>
10398 * config/ia64/ia64.c (ia64_print_operand): Fix typos.
10399 Sign extend mode size before negating.
10401 2000-07-28 Richard Henderson <rth@cygnus.com>
10403 * emit-rtl.c (gen_lowpart_common): Add missing 'c' variable.
10405 2000-07-28 Bernd Schmidt <bernds@cygnus.co.uk>
10407 * cse.c (canon_hash): Handle PRE_MODIFY/POST_MODIFY.
10408 (cse_insn): Likewise.
10409 (addr_affects_sp_p): Likewise.
10410 * expr.c (move_by_pieces): Likewise.
10411 (clear_by_pieces): Likewise.
10412 * gcse.c (oprs_unchanged_p): Likewise.
10413 * haifa-sched.c (sched_analyze_2): Likewise.
10414 * recog.c (offsettable_address_p): Likewise.
10415 * regclass.c (record_address_regs): Likewise.
10416 * reload.c (find_reusable_reload): Likewise.
10417 (push_reload): Likewise.
10418 (operands_match_p): Likewise.
10419 (decompose): Likewise.
10420 (find_reloads_address_1): Likewise.
10421 (find_inc_amount): Likewise.
10422 * reload1.c (elimination_effects): Likewise.
10423 * resource.c (mark_set_resources): Likewise.
10424 * flow.c (attempt_auto_inc): New function; mostly broken out
10426 (find_auto_inc): Split into two functions and enhanced to
10427 generate POST_MODIFY.
10428 * rtl.def (PRE_MODIFY, POST_MODIFY): Adjust comment.
10429 * rtl.h (count_all_occurrences): Declare.
10430 (HAVE_{PRE,POST}_MODIFY_{DISP,REG}): Provide default of 0 if not
10432 * rtlanal.c (count_all_occurrences): New function.
10433 * tm.texi (HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_DISP,
10434 HAVE_POST_MODIFY_REG, HAVE_PRE_MODIFY_REG): Document.
10436 * config/ia64/ia64-protos.h (destination_operand): Declare.
10437 * config/ia64/ia64.c (destination_operand): New function.
10438 (ia64_print_operand): Handle POST_MODIFY.
10439 (rtx_needs_barrier): Likewise.
10440 * config/ia64/ia64.h (HAVE_POST_MODIFY_DISP): Define to 1.
10441 (HAVE_POST_MODIFY_REG): Define to 1.
10442 (MAX_REGS_PER_ADDRESS): Change to 2.
10443 (GO_IF_LEGITIMATE_ADDRESS): Accept POST_MODIFY too.
10444 (LEGITIMATE_ADDRESS_REG): New helper macro.
10445 (LEGITIMATE_ADDRESS_DISP): Likewise.
10446 (PREDICATE_CODES): Add entry for destination_operand.
10447 * config/ia64/ia64.md (all mov patterns): Use destination_operand
10448 predicate for operand 0.
10450 2000-07-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10452 * dwarf2out.c: Indent #error directive.
10454 * gbl-ctors.h: Fix typo in comment.
10455 (__do_global_ctors): Prototype.
10457 * gcse.c (record_one_set, pre_delete): Remove unused variables.
10459 * rs6000.c (rs6000_maybe_dead): Delete unused prototype.
10460 (print_operand): Initialize variable `t'.
10462 2000-07-27 Aldy Hernandez <aldyh@redhat.com>
10464 * config/arm/arm.md ("call_value"): removed constraints.
10465 Constraints are ignored in expanders.
10466 (*call_value_reg): split =rf into various constraints.
10467 (*call_value_mem): same
10468 (*call_value_symbol): same
10469 (*sibcall_value_insn): same
10471 2000-07-28 Philipp Thomas <pthomas@suse.de>
10473 * install.texi (--enable-nls): Change the description of the NLS
10474 related configure options to match the current state.
10475 (--with-included-gettext): Likewise.
10476 (--enable-maintainer-mode): New description added.
10477 * extend.texi (-fstrict-prototype): Add missing '.'.
10479 2000-07-27 Jim Wilson <wilson@cygnus.com>
10481 * dwarf2out.c (gen_decl_die): Don't call gen_abstract_function if
10482 DECL_INITIAL (decl) == NULL_TREE.
10484 2000-07-27 Alexandre Oliva <aoliva@redhat.com>
10486 * Makefile.in (INSN_ATTR_H): New macro. Replace all dependencies
10487 on insn-attr.h with it.
10488 * genattr.c: Generate `#include "insn-addr.h"' if HAVE_ATTR_length.
10489 * insn-addr.h: New header.
10490 (insn_addresses_): Renamed from insn_addresses.
10491 (INSN_ADDRESSES_DEFN, INSN_ADDRESSES, INSN_ADDRESSES_ALLOC,
10492 INSN_ADDRESSES_FREE, INSN_ADDRESSES_SET_P, INSN_ADDRESSES_SIZE,
10493 INSN_ADDRESSES_NEW): New macros.
10494 * genattrtab.c (write_test_expr): Use new macros.
10495 * final.c (insn_addresses, init_insn_lengths): Likewise.
10496 (align_fuzz, shorten_branches): Likewise.
10497 (final): Likewise. Do not reject new insns if their addresses
10498 have been added to INSN_ADDRESSES.
10499 * config/arm/arm.c, config/avr/avr.c: Use new macros.
10500 * config/h8300/h8300.c, config/i370/i370.c: Likewise.
10501 * config/m88k/m88k.c, config/pa/pa.c, config/pa/pa.md: Likewise.
10502 * config/sparc/sparc.c, config/sparc/sparc.md: Likewise.
10503 * config/sh/sh.c: Likewise.
10504 (output_branchy_insn): Use INSN_ADDRESSES_NEW.
10506 * Makefile.in (bootstrap): Move -BstageN/ back to the beginning.
10508 2000-07-27 Andrew Cagney <cagney@b1.cygnus.com>
10510 * gcc.c (struct prefix_list): Add member priority.
10511 (enum path_prefix_priority): Declare.
10512 (add_prefix): Replace ``first'' with ``priority''. Append new
10513 entry but keep list in priority order.
10514 (process_command): Update. Pass PREFIX_PRIORITY_B_OPT or
10515 PREFIX_PRIORITY_LAST to add_prefix.
10516 (process_command): Move include kludge - foo/stageN - to before
10519 2000-07-27 Jason Merrill <jason@redhat.com>
10521 * dwarf2out.c (gen_typedef_die): Abort if we get identical
10522 TREE_TYPE and DECL_ORIGINAL_TYPE on a typedef.
10524 2000-07-27 RodneyBrown <RodneyBrown@pmsc.com>
10526 * expr.h (get_alias_set, lang_get_alias_set): Delete prototypes.
10527 * tree.h (get_alias_set, lang_get_alias_set): Prototype.
10529 2000-07-27 Joseph S. Myers <jsm28@cam.ac.uk>
10531 * c-decl.c (finish_function): Don't treat 'main' specially unless
10532 flag_hosted. In C99 mode, return 0 from 'main' unless
10533 DEFAULT_MAIN_RETURN is otherwise defined.
10535 * c-decl.c (store_parm_decls): In C99 mode, pedwarn for function
10536 parameters defaulting to int in an old-style function definition.
10538 2000-07-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10540 * c-parse.in (string): For -Wtraditional, warn about string
10541 concatenation only once per line.
10543 Thu Jul 27 09:25:17 2000 Akiko Matsushita <matusita@sra.co.jp>
10545 * pa/x-pa-hpux: Add -D_HIUX_SOURCE to FIXPROTO_DEFINES
10546 for HI-UX/WE2 systems.
10548 2000-07-24 Bruce Korb <bkorb@gnu.org>
10550 * fixincl/fixfixes.c(emit_gnu_type): rewrote to *rely* on GCC
10551 defining the __xxx_TYPE__ macros.
10552 * fixincl/fixincl.tpl(gnu_type_map): now obsolete
10553 * fixincl/fixlib.h: don't need to include "tm.h" anymore
10554 * fixincl/inclhack.def(type_map): now obsolete
10556 Thu Jul 27 11:54:17 2000 Andrew Cagney <cagney@b1.cygnus.com>
10558 * cpp.texi: Append a trailing full-stop to xrefs where needed.
10560 2000-07-26 Dave Pitts <dpitts@cozx.com>
10562 * i370.c: Remove LONGEXTERNAL ifdef from alias_number. Added hash
10564 (mvs_hash_alias): New function.
10565 (mvs_add_alias): Change argument spacing.
10566 (mvs_need_alias): Change aliasing criteria. Added documentation.
10567 (mvs_get_alias): Change to use hashed name. The hashed name prevents
10568 CSECT name collisions.
10569 (mvs_check_alias): Likewise.
10570 (handle_pragma): Change documentation.
10571 * i370.md (mulsi3, divsi3, udivsi3, modsi3, umodsi3): Changed gen_rtx
10572 mode from SImode to DImode.
10573 (iorhi3): Changed LTORG size for insn.
10575 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
10577 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
10578 mem if the address is a mode_dependent_address_p.
10580 2000-07-26 Kazu Hirata <kazu@hxi.com>
10582 * h8300.c (print_operand): Print ":8" when the 'R' operand is
10583 suitable for 8-bit absolute.
10584 * h8300.h (EIGHTBIT_CONSTANT_ADDRESS_P): New.
10585 (OK_FOR_U): Add a case for the 8-bit constant address on the
10588 Wed Jul 26 19:26:21 2000 Hans-Peter Nilsson <hp@axis.com>
10590 * varasm.c (assemble_variable) [! defined(ASM_OUTPUT_ALIGNED_COMMON)
10591 && ! defined (ASM_OUTPUT_ALIGNED_BSS]): Also test
10592 ! defined(ASM_OUTPUT_ALIGNED_DECL_COMMON) before complaining about
10593 lack of implemented alignment.
10595 2000-07-26 Geoffrey Keating <geoffk@cygnus.com>
10597 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETIC]: Handle
10598 cross-compiling between 64-bit and 32-bit machines.
10600 2000-07-27 Richard Henderson <rth@cygnus.com>
10602 * config/ia64/ia64.md (movqicc_astep, movqi_internal_astep): New.
10603 (movhicc_astep, movhi_internal_astep): New.
10604 (movsicc_astep, movsi_internal_astep): New.
10605 (movdicc_astep, movdi_internal_astep): New.
10606 (movsfcc_astep, movsf_internal_astep): New.
10607 (movdfcc_astep, movdf_internal_astep): New.
10608 (movxfcc_astep, movxf_internal_astep): New.
10609 (cmovdi_internal_astep, cmovsi_internal_astep): New.
10610 Unify the cmov[ds]i splitters.
10612 2000-07-27 Rodney Brown <RodneyBrown@pmsc.com>
10614 * real.c (asctoeg): Rename `error' label to unexpected_char_error
10616 2000-07-26 Nick Clifton <nickc@cygnus.com>
10618 * config/arm/vxarm.h (CPP_PREDEFINES): Remove definition of
10619 __arm__. Allow it to be defined by CPP_ISA_SPEC in arm.h
10621 * dwarf2out.c (dwarf2out_frame_debug_expr): Accept SEQUENCE as
10622 well as PARALLEL blocks in FRAME_RELATED_EXPR notes.
10624 2000-07-26 Alexandre Oliva <aoliva@redhat.com>
10626 * c-decl.c (finish_enum): Convert enumerations that fit in an
10628 (build_enumerator): In pedantic mode, cast to `int' those that
10631 2000-07-25 Rodney Brown <RodneyBrown@pmsc.com>
10633 * config/alpha/osf.h (SIZE_TYPE, PTRDIFF_TYPE): New.
10635 Tue Jul 25 23:08:33 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10637 * sh.md (cmpgtdi_t): Must be split.
10638 (cmpgtdi_t+1): New splitter.
10640 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
10642 * cpplib.c (_cpp_check_directive): Issue -Wtraditional
10643 warnings for indented directives even if we are skipping.
10645 2000-07-25 Nathan Sidwell <nathan@codesourcery.com>
10647 * invoke.texi (strict-prototypes): Remove.
10648 * extend.texi (Deprecated Features): Add strict-prototypes.
10649 (Backwards Compatibility): New node.
10651 2000-07-25 Jakub Jelinek <jakub@redhat.com>
10653 * config/i386/i386.md (andsi_1+1): Allow HImode.
10654 (andsi_1+2): Require q_regs_operand.
10656 2000-07-25 Jakub Jelinek <jakub@redhat.com>
10658 * config/i386/i386.md (call_pop): Check operands[0],
10659 not operands[1]. Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
10661 (call_value_pop): Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
10662 (call_value): Likewise.
10664 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
10666 * toplev.c (pipe_closed): Delete.
10667 (crash_signal): New. Generate ICE for a fatal signal.
10668 (float_signal): Call crash_signal outside a float-handler
10670 (main): Install crash_signal as handler for core-dumping signals.
10672 2000-07-25 David Edelsohn <edelsohn@gnu.org>
10674 * rs6000.c (print_operand, case 'T'): New case.
10676 * rs6000.md (call_indirect_aix32): Convert to expander of
10677 scheduled instructions.
10678 (call_indirect_aix64): Likewise.
10679 (call_value_indirect_aix{32,64}): Likewise.
10680 (call, call_value): Invoke expanders for AIX. Fall through to
10682 (call_indirect_nonlocal_aix{32,64}): New patterns (ctr and lr).
10683 (call_value_indirect_nonlocal_aix{32,64}): New patterns.
10684 (call_nonlocal_aix32): Remove CALL_LONG alternative. Operand 1
10685 only "g" constraint.
10686 (call_nonlocal_aix64): Likewise.
10687 (call_value_nonlocal_aix{32,64}): Likewise.
10688 (call_nonlocal_sysv): New pattern for ctr, lr, and symbolic
10690 (call_value_nonlocal_sysv): New pattern.
10691 (indirect_jump{si,di}): Use new 'T' modifier.
10692 (tablejump{si,di} matchers): Likewise.
10693 (return_internal_{si,di}): Likewise.
10694 (return_eh_{si,di}): Likewise.
10696 2000-07-24 Richard Henderson <rth@cygnus.com>
10698 * config/ia64/ia64.c (ia64_print_operand): Handle "%,".
10699 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): Likewise.
10700 * config/ia64/ia64.md (movdi_internal): Use it.
10702 2000-07-24 Zack Weinberg <zack@wolery.cumb.org>
10704 * cppexp.c: Warn about unary + if -Wtraditional.
10705 * cpplex.c (lex_line): Always set BOL on the first token of a line.
10707 2000-07-24 Michael Meissner <meissner@redhat.com>
10709 * d30v.h (FUNCTION_ARG_KEEP_AS_REFERENCE): Delete references to
10712 2000-07-24 Nick Clifton <nickc@cygnus.com>
10714 * config/arm/arm.c (emit_multi_reg_push): Generate a
10715 REG_FRAME_RELEATED_NOTE that is compatable with the code in
10716 dwarf2out_debug_frame_expr.
10718 2000-07-24 Jason Merrill <jason@redhat.com>
10720 * dwarf2out.c: Complain if DWARF2_DEBUGGING_INFO is defined without
10721 UNALIGNED_INT_ASM_OP.
10722 (def_cfa_1): Don't emit def_cfa_register or def_cfa_offset to adjust
10723 a location expression.
10724 (dwarf2out_frame_debug_expr): Lose cfa_old_reg stuff. Don't
10725 assume indirect access if we're saving the CFA address exactly.
10727 * Makefile.in (bootstrap): Move -BstageN/ to the end.
10729 2000-07-24 Jakub Jelinek <jakub@redhat.com>
10731 * tradcpp.c (main): Update max_include_len for cpp_include_defaults
10734 2000-07-24 Michael Meissner <meissner@redhat.com>
10736 * invoke.texi (D30V Options): Add d30v options.
10738 Mon Jul 24 02:04:52 2000 Jeffrey A Law (law@cygnus.com)
10740 * gcse.c (alloc_pre_mem): Do not alloc TRANSPOUT, it is not
10741 needed by our gcse pass anymore.
10742 (free_pre_mem): Corresponding changes.
10743 (compute_pre_data): Do not call compute_transpout anymore.
10745 * gcse.c (alloc_avail_expr_mem): Kill unused 'u_bitmap'.
10746 (free_avail_expr_mem, alloc_pre_mem, free_pre_mem): Corresponding
10749 * gcse.c (free_pre_mem): Do not free ANTLOC and AE_KILL here.
10750 (compute_pre_data): Do it here instead.
10752 * gcse.c (alloc_pre_mem, free_pre_mem): Delete unused bitmap
10754 (pre_delete): Corresponding changes.
10756 2000-07-23 Mark Mitchell <mark@codesourcery.com>
10758 * c-semantics.c (make_rtl_for_local_static): Use TREE_ASM_WRITTEN
10759 to figure out whether or not a variable has already been emitted.
10761 Sun Jul 23 14:49:12 2000 Jason Eckhardt <jle@cygnus.com>
10763 * config/i860/i860.md (untyped_call expander): Use GEN_CALL
10764 instead of gen_call.
10766 Sun Jul 23 11:52:03 2000 George Helffrich (george@gly.bris.ac.uk)
10768 * dbxout.c (dbxout_type, case COMPLEX_TYPE): Fix length field in stab.
10770 2000-07-23 Kazu Hirata <kazu@hxi.com>
10772 * h8300.c: Fix formatting.
10774 2000-07-23 Joseph S. Myers <jsm28@cam.ac.uk>
10776 * c-typeck.c (c_expand_start_case): Change -Wtraditional pedwarn
10777 for `long' switch expression into a plain warning.
10779 * c-lex.c (init_lex): Keep the "inline" keyword in C99 mode.
10780 (yylex): Don't pedwarn for "inline" in C99 mode.
10782 * bitmap.c (debug_bitmap_file): Cast pointers to PTR for printing
10784 * ggc-page.c (debug_print_page_list, alloc_page, free_page,
10785 ggc_alloc): Likewise.
10786 * bb-reorder.c (dump_scope_forest_1): Likewise.
10788 2000-07-22 Aldy Hernandez <aldyh@redhat.com>
10790 * reload.c (find_reloads_toplev): Add new parameter
10791 "address_reloaded".
10792 (find_reloads): Add new parameter to find_reloads_toplev calls.
10794 2000-07-22 Jeffrey Oldham <oldham@codesourcery.com>
10796 * collect2.c (main): Typo fixed.
10797 * diagnostic.c: Typo fixed.
10798 * dwarf2out.c (dwarf2out_frame_debug_expr): Typo fixed.
10799 * eh-common.h: Typo fixed.
10800 * emit-rtl.c (start_sequence): Typo fixed.
10801 * flow.c (find_label_refs): Typo fixed.
10802 (calculate_global_regs_live): Typo fixed.
10803 (mark_regno_cond_dead): Typo fixed.
10804 (create_edge_list): Typos fixed.
10805 (verify_edge_list): Typo fixed.
10806 * ggc-common.c (ggc_mark_rtx_children): Typo fixed.
10807 * loop.c (strength_reduce): Typo in function name fixed.
10808 * rtl.h: Added comments. Typo in function name fixed.
10809 * rtlanal.c: Typo in function name fixed.
10810 (insn_dependant_p): Rename to ...
10811 (insn_dependent_p): ... this.
10812 (computed_jumo_p): Typo fixed.
10814 2000-07-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10816 * system.h (__FUNCTION__): Wrap definition in #ifndef.
10818 2000-07-21 David Edelsohn <edelsohn@gnu.org>
10820 * rs6000.h (SIZE_TYPE): Define.
10822 2000-07-21 Mark Mitchell <mark@codesourcery.com>
10824 * ssa.c (rename_insn_1): Don't rename registers that are
10827 2000-07-21 Zack Weinberg <zack@wolery.cumb.org>
10829 * diagnostic.c (trim_filename, fancy_abort): Moved here from
10831 (fatal_function, set_fatal_function): Removed.
10832 (fatal): Don't prepare for or call the fatal_function.
10833 (diagnostic_lock, error_recursion): New.
10834 (diagnostic_for_decl, report_diagnostic): Guard against
10835 re-entering the error reporting routines.
10836 (fancy_abort): Assume function is not NULL.
10838 * errors.c (fancy_abort): New. Assume function is not NULL.
10839 * tradcpp.c (fancy_abort): Assume function is not NULL.
10841 * system.h: Provide default definition of __FUNCTION__.
10842 * rtl.h: Use __FUNCTION__ not __PRETTY_FUNCTION__ throughout.
10843 Always use __FUNCTION__ in definition of abort.
10844 * tree.h: Likewise.
10845 * varray.h: Likewise.
10846 * toplev.h: Likewise. Don't prototype set_fatal_function.
10848 2000-07-20 Geoff Keating <geoffk@cygnus.com>
10850 * config/rs6000/aix43.h (CPP_SPEC): Define __LONG_MAX__ correctly
10852 * glimits.h: Don't do #if defined for ARCH_PPC.
10854 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): All
10855 constants of size no larger than a pointer should go in the TOC.
10856 Add 'MODE' parameter.
10857 (LEGITIMIZE_RELOAD_ADDRESS): Add MODE parameter to
10858 ASM_OUTPUT_SPECIAL_POOL_ENTRY_P.
10859 (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Likewise.
10860 * config/rs6000/aix.h (SELECT_RTX_SECTION): Likewise.
10861 * config/rs6000/netware.h (SELECT_RTX_SECTION): Likewise.
10862 * config/rs6000/rs6000.c (constant_pool_expr_1): Likewise.
10863 (rs6000_legitimize_address): Likewise.
10864 (rs6000_emit_move): Likewise.
10865 (rs6000_select_rtx_section): Likewise.
10866 (output_toc): Deal properly with outputting small constants like
10867 HImode, and SFmode in 32-bit mode, and DFmode in 64-bit mode.
10868 * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Add
10869 MODE parameter. Put small constants in the TOC.
10871 * config/rs6000/rs6000.c (easy_fp_constant_p): All constants are
10873 (rs6000_emit_move): When reload calls us with an illegitimate
10874 address, exit early. Move the change_address calls to one place
10875 at the end of the routine. Merge the SImode and DImode expanders.
10876 When called by reload to put an integer into a FP register, force
10879 * config/rs6000/rs6000.c (struct toc_hash_struct): Add 'key_mode'
10881 (rs6000_hash_constant): Hash mode too.
10882 (toc_hash_function): Allow for key_mode.
10883 (toc_hash_eq): Structures are different if key_mode differs.
10884 (output_toc): Add 'mode' parameter. Save key_mode.
10885 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY):
10886 Pass 'mode' parameter.
10887 * config/rs6000/rs6000-protos.h (output_toc): Add 'mode' param.
10889 * config/rs6000/rs6000.c (output_toc): Use RS6000_OUTPUT_BASENAME
10890 for vtable references.
10892 * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): If we have a
10893 choice, don't put integer values in FP regs.
10895 Thu Jul 20 18:13:52 2000 Jeffrey A Law (law@cygnus.com)
10897 * flow.c (verify_flow_info): Revamp code to verify that the
10898 head and end of each basic block are in the insn chain.
10900 Thu Jul 20 18:02:35 2000 Michael Matz <matzmich@cs.tu-berlin.de>
10902 * gcse.c (record_one_set): Prepend instead of append onto
10903 reg_set_table, making it O(n) instead O(n^2).
10904 * lcm.c (compute_antinout_edge,compute_laterin,compute_available):
10905 Use a queue instead of a stack as worklist.
10907 2000-07-20 Kazu Hirata <kazu@hxi.com>
10909 * h8300.c (two_insn_adds_subs_operand): Fix a typo.
10910 * h8300.h (OK_FOR_T): New.
10911 (EXTRA_CONSTRAINT): Support OK_FOR_T.
10912 * h8300.md: Use inc/dec.[wl] for increment/decrement
10913 by 1 and 2 in HI and SI modes.
10915 2000-07-20 Jim Wilson <wilson@cygnus.com>
10917 * config/ia64/ia64.h (ASM_OUTPUT_MI_THUNK): Handle DELTA values
10918 larger than 14 bits.
10920 2000-07-20 Zack Weinberg <zack@wolery.cumb.org>
10922 * cppmacro.c (CAN_PASTE_AFTER): New macro.
10923 (count_params): Don't set GNU_REST_ARGS on anything.
10924 (save_expansion): Set PASTE_LEFT only on tokens for which
10925 CAN_PASTE_AFTER is true, or which are named operators.
10927 * cpplex.c (parse_args): Distinguish between a rest argument
10928 given one empty argument, and a rest argument given zero arguments.
10929 (maybe_paste_with_next): Look for VOID_REST tag, and trigger
10930 deletion of previous token based on that.
10931 (get_raw_token): Flatten some control structure.
10933 * cpplib.h (CPP_LAST_EQ): Correct.
10934 (VOID_REST): New token flag.
10935 (GNU_REST_ARGS): Delete.
10937 * tradcpp.c (main): Don't munge -D options.
10938 (make_definition): Bring -D handling in line with cpplib.
10939 (do_define): Strip all leading whitespace from macro definitions.
10941 2000-07-20 David Billinghurst <David.Billinghurst@riotinto.com.au>
10943 * Makefile.in (tradcpp): Depend on intl.o and version.o.
10945 2000-07-20 Bruce Korb <bkorb@gnu.org>
10947 * fixincl/check.tpl: strip the platform specific types before testing
10948 * fixincl/fixfixes.c(gnu_type_fix): use platform specific types
10949 * fixincl/fixincl.tpl: use platform specific types
10950 * fixincl/fixlib.h: include the platform specific types
10951 * fixincl/inclhack.def(gnu_types): don't supply the types
10952 * fixincl/fixincl.x: regen
10954 2000-07-19 Jim Wilson <wilson@cygnus.com>
10956 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): Don't allow XFmode in
10959 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
10961 * tradcpp.c (rescan): Do not recognize directives when the #
10964 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
10966 Implement C++ named operators.
10968 * cpplib.h (TTYPE_TABLE): Move CPP_MIN and CPP_MAX into block
10969 of operators allowed in #if and having an _EQ variant. Add
10970 CPP_MIN_EQ, CPP_MAX_EQ, and CPP_DEFINED.
10971 (cpp_token flags): Add NAMED_OP.
10972 (enum node_type): Add T_OPERATOR.
10973 (struct cpp_hashnode): Add code slot to value union.
10974 * cpphash.h (spec_nodes): Remove n_defined.
10976 * cpplex.c (lex_line): Convert T_OPERATOR nodes to their proper types.
10977 (spell_token, can_paste, maybe_paste_with_next): Handle named operators.
10978 (is_macro_disabled): Tweak error messages.
10980 * cpplib.c (get_define_node): Disallow all named operators as
10981 macro names. Tweak error messages.
10982 (_cpp_init_stacks): Don't set up spec_nodes->n_defined.
10984 * cppinit.c (builtin_array): Add entries for the named operators.
10985 * cppexp.c (lex): Check for CPP_DEFINED token.
10986 (priority table): Add entries for CPP_MIN and CPP_MAX.
10987 (_cpp_parse_expr): Handle CPP_MIN and CPP_MAX.
10989 2000-07-19 Bernd Schmidt <bernds@cygnus.co.uk>
10991 * gcse.c (INSN_CUID): If ENABLE_CHECKING, abort if the uid is
10992 larger than the array of cuids.
10993 (alloc_gcse_mem): Use uid_cuid rather than INSN_CUID when computing
10996 2000-07-19 Bruce Korb <bkorb@gnu.org>
10998 * fixinc/fixincl.c: Convert to using a table of environment variables
10999 and activate the auto-edit marker on the fixed output files.
11000 * fixinc/fixlib.h: Define the environment table
11001 * fixinc/fixincl.sh: export the ${INPUT} dir
11002 * fixinc/check.tpl: likewise
11004 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
11006 * gcc.c (.h spec): Fix typo.
11008 Wed Jul 19 01:22:15 CEST 2000 Marc Espie <espie@cvs.openbsd.org>
11010 * Makefile.in: Fix tradcif.c path.
11012 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
11014 * cpplib.h (TTYPE_TABLE): Rearrange to use only two per-entry
11017 * cpphash.h (TOKEN_NAME): New macro.
11018 (_cpp_spell_operator): Deleted.
11019 (token_spellings): Now _cpp_token_spellings.
11021 * cppexp.c: Use TOKEN_NAME or TYPE_NAME, not _cpp_spell_operator.
11022 * cpplex.c: Use OP and TK macros when expanding the
11023 TTYPE_TABLE. Eliminate token_names. For non-OPERATOR tokens,
11024 store the stringification of the enumeration name (CPP_CHAR,
11025 etc.) in the name slot of token_spellings.
11026 Use TOKEN_NAME and/or TOKEN_SPELL, do not reference
11027 token_spellings directly.
11028 * cpplib.c: Use TOKEN_SPELL.
11030 * cpplex.c (_cpp_push_token): If the token being pushed back
11031 is the previous token in this context, just subtract one from
11033 * cppmacro.c (save_expansion): Clear aux field when storing a
11036 2000-07-18 Jakub Jelinek <jakub@redhat.com>
11038 * cpplex.c (cpp_scan_buffer): Output line command even at the stop
11039 buffer, provided it is not NULL.
11041 2000-07-18 Alexandre Oliva <aoliva@redhat.com>
11043 * c-decl.c (duplicate_decls): Do not call make_var_volatile() in
11044 case of invalid volatile re-declaration.
11046 2000-07-18 Jakub Jelinek <jakub@redhat.com>
11048 * calls.c (store_arg): Return non-zero if sibcall_failure is desired.
11049 (expand_call): Adjust caller.
11051 2000-07-17 Gabriel Dos Reis <gdr@codesourcery.com>
11053 * diagnostic.h (report_diagnostic): Change prototype.
11055 * diagnostic.c (output_do_verbatim, diagnostic_for_asm,
11056 diagnostic_for_decl): Change prototype.
11057 (error_with_decl, warning_with_decl, pedwarn_with_decl, warning,
11058 error, warning, error_with_file_and_line,
11059 warning_with_file_and_line, pedwarn_with_file_and_line, fatal):
11060 Adjust call to report_diagnostic, diagnostic_for_decl.
11061 (error_for_asm, warning_for_asm): Adjust call to diagnostic_for_asm.
11062 (output_verbatim, verbatim): Adjust call to output_do_verbatim.
11064 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic. End
11065 varaible argument list.
11067 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
11069 * cpphash.c: Don't include hashtab.h. Most macro-handling code
11070 moved to cppmacro.c.
11071 (hash_HASHNODE, eq_HASHNODE, _cpp_dump_macro_hash,
11072 dump_hash_helper): Delete.
11073 (expand_hash, higher_prime_number, _cpp_lookup_with_hash,
11074 cpp_forall_identifiers): New. Implement specialized version of
11075 Vlad's expandable hash table.
11076 (cpp_lookup): Use new functions.
11077 (_cpp_init_macros, _cpp_cleanup_macros): Adjust for new
11079 * cppmacro.c: New file.
11080 * cppinit.c (dump_macros_helper): New.
11081 (cpp_finish): Iterate over the identifier table directly.
11082 * cpplex.c (parse_name): Calculate the hash of the identifier
11083 while we scan it. Use _cpp_lookup_with_hash when we can.
11085 * cpphash.h: Update prototypes.
11086 (xcnewvec, HASHSTEP): New helper macros.
11087 * cpplib.h: Update prototypes.
11088 * Makefile.in (LIBCPP_OBJS): Add cppmacro.o.
11089 (cppmacro.o): New rule.
11090 (cpphash.o): Update deps.
11092 * cppmain.c: Do not set pfile->printer if no_output is on.
11094 2000-07-15 Neil Booth <neilb@earthling.net>
11096 * cpplib.c: Change all directive-handler functions to return
11098 * cpphash.h: Update typedefs.
11100 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
11102 * configure: Regenerate.
11104 * extend.texi (Extended Asm): Mention that a memory clobber
11105 does not count as a side-effect.
11107 * unroll.c (copy_loop_body): Fix one instance of using host
11108 arithmetic on the target; fixes loop-4 on a 32-bit -> 64-bit
11111 * tlink.c (scan_linker_output): Tweak for output of AIX ld.
11113 2000-07-17 Richard Henderson <rth@cygnus.com>
11115 * config/ia64/ia64.md (movdi): Split out load address code.
11116 New post-reload splitter for symbolic operands.
11117 (movdi_internal): Abort if we didn't split symbolic operands
11118 when we should have.
11119 * config/ia64/ia64.c (ia64_expand_load_address): New, from movdi bits.
11120 (ia64_reorg): Split insns when not optimizing.
11121 * config/ia64/ia64-protos.h (ia64_expand_load_address): Declare.
11123 Mon Jul 17 23:43:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
11125 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Use LONG_DOUBLE_TYPE_SIZE
11126 instead of MAX_LONG_DOUBLE_TYPE_SIZE to decide output format.
11128 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
11130 * loop.c (check_dbra_loop) : Changed loop_continue to loop->cont.
11132 2000-07-17 Jason Merrill <jason@redhat.com>
11134 * Makefile.in (clean): Remove libgcc directory.
11136 * configure.in (-Wno-long-long check): Use higher-level macros.
11138 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
11140 * simplify-rtx.c (simplify_binary_operation): Recognize
11141 (compare (gt[u] (cc) 0) (lt[u] (cc) 0)).
11142 (simplify_ternary_operation): Do not examine MODE_BITSIZE of
11143 a CONST_INT, it will always be zero.
11145 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
11147 * loop.c (check_dbra_loop) : Return if more than one condition is
11148 present to control the loop.
11150 Mon Jul 17 08:26:35 2000 Clinton Popetz <cpopetz@cygnus.com>
11152 * mips.c (mips_expand_prologue): Don't calculate the last argument
11153 register unless we need it. When we are calculating this, make
11154 sure FUNCTION_ARG is giving us a REG.
11156 2000-07-17 Stephane Carrez <Stephane.Carrez@worldnet.fr>
11158 * flow.c (libcall_dead_p): Use single_set to verify the insn
11159 has only one set and get for analysis.
11160 (propagate_one_insn): Don't pass the PATTERN of the insn.
11162 2000-07-17 Mark Klein <mklein@dis.com>
11164 * pa.c (emit_hpdiv_const): Update to match new pattern for udivsi3.
11166 2000-07-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
11168 * Makefile.in (TARGET_GETGROUPS_T): New configuration variable.
11169 * configure.in (TARGET_GETGROUPS_T): Evaluate.
11170 * sys-protos.h (getgroups): Use TARGET_GETGROUPS_T for array type
11171 of second argument of getgroups.
11172 * configure, config.in: Rebuilt.
11174 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
11176 * simplify-rtx.c (simplify_relational_operation): Two signed
11177 values with equal high words are less/greater than each other if
11178 their low words are less/greater when considered as unsigned.
11180 Mon Jul 17 02:37:06 2000 Marc Espie <espie@openbsd.org>
11182 * configure.in (vax-*-openbsd): Change to new style configuration,
11183 add collect2/float_format information.
11184 * configure: Rebuilt.
11185 * config/vax/openbsd1.h: New.
11186 * config/vax/openbsd.h: New.
11187 * config/vax/t-openbsd: New.
11189 2000-07-17 Chip Salzenberg <chip@valinux.com>
11191 * c-common.c (shorten_compare): Quiet warnings about unsigned
11192 comparisons with zero when they occur in a system header.
11194 2000-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
11196 * invoke.texi (-pedantic): Refer to ISO C instead of ANSI C, and
11197 update to describe current practice.
11199 * glimits.h (LLONG_MIN, LLONG_MAX, ULLONG_MAX): Define for C99.
11201 * contrib.texi, cpp.texi, extend.texi, invoke.texi: Update
11202 references to C9X. Change references to -fstd and -flang-isoc9x
11205 * c-common.c (scan_char_table): Allow "z" length modifiers on
11207 (check_format_info): Use TYPE_DOMAIN on the type matched against
11208 for "z" formats, to retrieve the language size_t rather than the
11211 * c-common.c (check_format_info): Do not make a pedantic objection
11212 to the 'L' length modifier if used with a floating point type
11215 * c-lex.c (yylex): Don't pedwarn for hexadecimal floating point
11216 constants in C99 mode.
11218 2000-07-17 Kazu Hirata <kazu@hxi.com>
11220 * h8300.md: Fix the format of mac.
11221 (movsi_h8300hs): Output a tab after stmac instead of a space.
11223 * h8300.c (two_insn_adds_subs_operand): Improve code for detecting
11224 profitable adds/subs sequences.
11226 * fold-const.c: Fix comment typos.
11228 2000-07-16 Laurynas Biveinis <lauras@softhome.net>
11230 * cppfiles.c (read_name_map): Set map_list_ptr->map_list_map to NULL.
11232 2000-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11234 * fixinc/fixfixes.c (emit_gnu_type): Avoid string concatenation.
11236 2000-07-16 Neil Booth <NeilB@earthling.net>
11238 * cpplex.c: Update comments.
11239 * README.Portability: Small update.
11241 2000-07-16 Neil Booth <NeilB@earthling.net>
11243 * README.Portability: Small update.
11245 2000-07-15 Richard Henderson <rth@cygnus.com>
11247 * config/ia64/ia64-protos.h (ia64_move_ok): Prototype.
11248 * config/ia64/ia64.c (ia64_move_ok): New function.
11249 * config/ia64/ia64.md (movqi, movqi_internal): Use it.
11250 (movhi, movsi, movdi, movsf, movdf, movxf): Likewise.
11252 2000-07-15 Zack Weinberg <zack@wolery.cumb.org>
11254 * cpphash.c (save_expansion): Clear PREV_WHITE on tokens
11255 immediately following a paste operator.
11256 * cppinit.c (sort_options): New function (only for HOST_EBCDIC).
11257 (cpp_reader_init): Call it, if HOST_EBCDIC.
11258 (cpp_handle_options): Do not sort option list here.
11259 (handle_option): Rename to cpp_handle_option and export.
11260 * cpplex.c (cpp_scan_buffer_nooutput, cpp_scan_buffer): Use
11261 _cpp_get_token directly.
11262 (cpp_scan_line): Return 0 at EOF, 1 otherwise.
11263 * cpplib.c (cpp_push_buffer): Don't set new->lineno to 1.
11264 * cpplib.h: Prototype cpp_handle_option. Update prototype of
11267 2000-07-15 Richard Henderson <rth@cygnus.com>
11269 * fold-const.c (extract_muldiv): Don't optimize past an unsigned
11270 cast around an expression. Tidy other unsigned tests.
11272 2000-07-15 Gabriel Dos Reis <gdr@codesourcery.com>
11274 * diagnostic.c (doing_line_wrapping, line_wrapper_printf, notice,
11275 v_error_with_decl, v_warning_with_decl, v_pedwarn_with_decl): Remove.
11276 (v_message_with_decl): Rename to ...
11277 (format_with_decl): ... this. Tweak
11278 (diagnostic_for_decl): New function.
11279 (fatal_io_error): Use verbatim in lieu of notice.
11280 (announce_function): Use verbatim.
11281 (default_print_error_function): Likewise.
11282 (error_with_decl, warning_with_decl, pedwarn_with_decl): Use new
11285 2000-07-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11287 * mips.c (function_arg_pass_by_reference): Don't do automatic
11288 aggregate initialization.
11289 (machine_dependent_reorg): Initialize variable `mode'.
11291 * mips.md (absdi2): Change variable `regno1' to unsigned int.
11292 (reload_indi): Rename loword/hiword to lo_word/hi_word to avoid
11293 conflicts with sys/param.h macro of the same name.
11294 (reload_outdi): Likewise.
11296 2000-07-15 Michael Meissner <meissner@redhat.com>
11298 * fold-const.c (fold): When optimizing FOO++ == CONST into ++FOO
11299 == CONST + INCREMENT, don't overwrite the tree node for FOO++,
11300 create a new node instead.
11302 2000-07-15 Neil Booth <NeilB@earthling.net>
11304 * README.Portability: Correct example about calling a function
11305 through a pointer to function. Format wide paragraphs.
11307 2000-07-15 Michael Meissner <meissner@redhat.com>
11309 * README.Portability: Update integer suffixes and function
11310 prototype sections.
11312 2000-07-15 Neil Booth <NeilB@earthling.net>
11314 * README.Portability: Small update.
11316 2000-07-15 Neil Booth <NeilB@earthling.net>
11318 * README.Portability: New file.
11320 Fri Jul 14 18:13:53 2000 Mark P Mitchell <mark@codesourcery.com>
11322 * INSTALL: Give special instructions for building GCC on Irix 6.
11323 * config/mips/x-iris6 (CC): Don't set it.
11326 2000-07-14 Jason Merrill <jason@redhat.com>
11328 * dwarf2out.c (dwarf2out_frame_debug_expr): If we store the CFA
11329 register in the stack and later in another register, use the new
11332 Fri Jul 14 10:25:53 2000 Clinton Popetz <cpopetz@cygnus.com>
11334 * config/mips/mips.md: (absdi2): Handle sign_extend for
11337 2000-07-14 Nathan Sidwell <nathan@codesourcery.com>
11339 * cpplib.c (do_pragma_dependency): Tidy warning messages.
11341 2000-07-14 Zack Weinberg <zack@wolery.cumb.org>
11343 * .cvsignore: Correct typo.
11345 2000-07-13 Mark Mitchell <mark@codesourcery.com>
11347 * .cvsignore: Add generated YACC files.
11348 * objc/.cvsignore: New file.
11350 2000-07-14 Neil Booth <NeilB@earthling.net>
11352 * cpplex.c (adjust_column): New funcion.
11353 (skip_whitespace): Use it.
11354 (skip_block_comment): Use it, and warn about /*/* with
11357 2000-07-14 Neil Booth <NeilB@earthling.net>
11359 * cpphash.c (struct macro_info): Add new members.
11360 (_cpp_free_definition): Delete the macro directly.
11361 (count_params): Return void, with first token of
11362 expansion in struct macro_info on success.
11363 (parse_define): Return int. Hoist syntax checking from
11364 save_macro_expansion. Leave call to save_expansion to
11365 _cpp_create_definition.
11366 (alloc_macro): Needs just 2 arguments.
11367 (free_macro): Delete.
11368 (save_expansion): Don't perform syntax check.
11369 (_cpp_create_definition): Call save_expansion.
11371 2000-07-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11373 * genrecog.c (write_header): Split long string.
11375 * cpphash.c (macro_info): Don't use the `signed' keyword.
11377 * system.h (alloca): Prototype if __GNUC__ && __SIZE_TYPE__.
11379 2000-07-13 Jakub Jelinek <jakub@redhat.com>
11381 * calls.c (stored_args_map): New variable.
11382 (check_sibcall_argument_overlap_1): New.
11383 (check_sibcall_argument_overlap): New.
11384 (expand_call): Initialize stored_args_map.
11385 Call check_sibcall_argument_overlap.
11387 2000-07-13 Bruce Korb <bkorb@gnu.org>
11389 * fixinc/fixfixes.c: move EXIT_BROKEN to header, add sub-expr max count
11390 (emit_gnu_type): utility procedure for gnu_type_fix
11391 (gnu_type_fix): implement various pre-processor guards around
11392 standard types so these types can be defined over and over
11393 * fixinc/fixincl.tpl: add a "gnu_type_map" that forces the standard
11394 types alluded to above will have GNU-compliant base types
11395 * fixinc/fixlib.h: add EXIT_BROKEN define and the gnu_type_map struct
11396 * fixinc/inclhack.def: add test_text entries and utilize the new
11397 "gnu_types" fix for the ptrdiff_t, size_t and wchar_t types.
11398 * fixinc/fixincl.x: regenerate
11400 2000-07-12 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
11402 * diagnostic.c (vline_wrapper_message_with_location,
11403 v_message_with_file_and_line, v_error_with_file_and_file,
11404 v_error_for_asm, v_warning_for_asm, vfatal,
11405 v_warning_with_file_and_line, v_pedwarn_with_file_and_line,
11406 vsorry, verror, vwarning, vpedwarn): Remove.
11407 (diagnostic_for_asm): New function.
11408 (pedwarn, error, warning, pedwarn_with_file_and_line,
11409 error_with_file_and_line, warning_with_file_and_line, sorry,
11410 error_for_asm, warning_for_asm, fatal): Reimplement.
11411 (finish_diagnostic): Clear diagnostic info as well.
11413 2000-07-13 Neil Booth <NeilB@earthling.net>
11415 * c-common.h (flag_digraphs): New.
11416 * c-decl.c (c_decode_option): Set flag_digraphs as appropriate.
11417 * c-lex.c (yylex): Use flag_digraphs to decide whether to
11420 2000-07-13 Zack Weinberg <zack@wolery.cumb.org>
11422 * gcc.c (do_spec_1): Add new %B operator.
11423 (set_input): Prepare for %B.
11425 (link_command_spec): Move up with the other tm.h-
11426 overrideable specs. Factor out the portion conditional on
11427 LINK_LIBGCC_SPECIAL into a new spec, %(link_libgcc).
11428 (struct compiler): Just have a single spec string. All users
11430 (default_compilers): Remove unnecessary braces.
11431 (static_specs): Update.
11433 (trad_capable_cpp, cpp_options, cc1_options, asm_options): New
11435 (C and assembly specs): Use the new named specs, as appropriate.
11437 * objc/lang-specs.h: Use the new named specs.
11438 Remove unnecessary braces.
11440 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
11442 * gcc.c (execute): If a subprocess gets a fatal signal, report
11443 strsignal() of the signal number, and ask for a bug report.
11444 Do not do this for SIGPIPE if there's already been an error.
11446 * tradcpp.c: Don't include signal.h. Don't catch SIGPIPE.
11447 Delete pipe_closed.
11449 * tradcif.c: Remove.
11451 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
11453 * final.c (profile_function): Do not emit profile counters in
11454 the data section, if NO_PROFILE_COUNTERS is defined.
11455 * tm.texi: Document NO_PROFILE_COUNTERS. Update doc for
11458 * config/i386/linux.h (NO_PROFILE_COUNTERS): Define.
11459 (FUNCTION_PROFILER): Just emit a call to mcount.
11461 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
11463 * tradcpp.c (main): Rename 'perror' label to 'sys_error'.
11465 * cppexp.c, cpphash.c, cpphash.h, cppinit.c, cpplex.c,
11466 cpplib.c, cpplib.h: Eradicate all traces of code dependent on
11467 traditional, lang_chill, or lang_fortran.
11469 * cppfiles.c: #undef strcmp to suppress warning about macros
11470 used without arguments.
11471 (_cpp_execute_include): Use f, not fname, in "No include path"
11473 (_cpp_pop_file_buffer): New function.
11474 * cpplib.c: Don't include <sys/mman.h>.
11475 (cpp_push_buffer): Set line_base and lineno in new buffer.
11476 (cpp_pop_buffer): Use _cpp_pop_file_buffer.
11478 * cpplex.c: Move all prototypes and structure declarations to the
11479 top of the file. Properly parenthesise some macro arguments.
11480 (cpp_scan_line): New function.
11481 (special_symbol [case T_INCLUDE_DEPTH]): Use pfile->include_depth,
11482 don't need to walk up the stack counting.
11484 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11486 * c-common.c (combine_strings): Emit a pedantic warning when a
11487 string length is greater than the minimum ANSI C is required
11490 Wed Jul 12 13:24:30 2000 Jeffrey A Law (law@cygnus.com)
11492 * pa/xm-pa64.h (NO_SYS_SIGLIST): Kill.
11493 * d30v/xm-d30v.h (NO_SYS_SIGLIST): Kill.
11495 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11497 * c-decl.c (define_label): Warn about identifier conflicts with
11498 labels in traditional C.
11500 * c-parse.in (unop +): Warn about the unary plus operator for
11503 * c-typeck.c (store_init_value): Warn about automatic aggregate
11504 initialization for traditional C.
11506 * invoke.texi (-Wtraditional): Document new warnings.
11508 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
11510 * Makefile.in (c-errors.o): Fix thinko in dependency.
11512 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
11514 * gcc.c (C specs [!USE_CPPLIB]): Invoke tradcpp if any of
11515 -traditional, -ftraditional, or -traditional-cpp was given.
11516 Do not pass -traditional to the preprocessor.
11517 (.S spec): Likewise. Don't bother defining __ASSEMBLER__, the
11518 preprocessor does it automatically.
11519 * objc/lang-specs.h: Likewise. Don't bother defining __OBJC__.
11521 * ch/lang-specs.h: Always use tradcpp. Do not pass
11522 -traditional, -trigraphs, or -pedantic to the preprocessor.
11523 * f/lang-specs.h (.F spec): Likewise. Don't bother defining
11526 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
11528 * cppexp.c (LOGICAL): Delete macro.
11529 (_cpp_parse_expr): Do not use UNARY for unary +. Implement ||
11532 * cpphash.c (HASHSIZE): Increase to 4096.
11533 (struct hashdummy): Add hash field.
11534 (eq_HASHNODE): Compare unreduced hashes, then lengths, then
11535 the string values using memcmp.
11536 (cpp_lookup): Set dummy.hash.
11538 Wed Jul 12 13:15:16 2000 Marc Espie <espie@openbsd.org>
11540 * configure.in (m88k-openbsd): Express configuration using new fragment
11542 * configure: Rebuilt.
11543 * m88k/aout-dbx.h: New.
11544 * m88k/openbsd.h: New.
11545 * m88k/xm-openbsd.h: New.
11547 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11549 * expr.c (expand_expr): Return const0_rtx, not error_mark_node.
11551 2000-07-12 Richard Henderson <rth@cygnus.com>
11553 * reload.c (push_secondary_reload): Make sure to add the new
11554 reload at the end, after acquiring secondary memory.
11556 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11558 * cpplex.c (is_macro_disabled): Use CPP_WTRADITIONAL.
11560 * c-decl.c (set_current_function_name_declared, anon_aggr_type_p,
11561 lang_expand_stmt): Mark parameters with ATTRIBUTE_UNUSED.
11563 * c-parse.in (stmt): Delete unused variables.
11565 * convert.c (convert_to_vector): Likewise.
11567 * gensupport.c (process_rtx): Declare attr as `rtvec' not `rtx'.
11569 * tree.c (finish_vector_type): Prototype.
11571 2000-07-12 Bruce Korb <bkorb@gnu.org>
11573 * fixinc/fixfixes.c: use xmalloc
11574 * fixinc/fixincl.c(initialize): set program name for xmalloc
11575 * fixinc/fixlib.c(must_malloc): obsolete
11576 (is_cxx_header): no longer used - disabled
11577 (skip_quote): inserted and disabled for future use
11578 * fixinc/fixlib.h: reflects above
11579 * fixinc/fixtests.c: removed dinkleberries
11581 2000-07-12 Neil Booth <NeilB@earthling.net>
11583 * cpphash.h: (TOKEN_SPELL) Pulled from cpplex.c.
11584 * cpplex.c (TOKEN_SPELL) Move to cpphash.h.
11586 * cpphash.c: (struct macro_info, alloc_macro, free_macro,
11587 struct toklist_dummy): New.
11588 (cpp_free_definition): Free macros with free_macro.
11589 (count_params): Don't save paramter spellings. Save macro
11590 information in a struct macro_info.
11591 (parse_define): Don't allocate a token list.
11592 (save_expansion): Allocate the macro's token list, and
11593 save parameter spellings if necessary. Use TOKEN_SPELL.
11594 (cpp_create_definition): Make list const.
11596 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
11598 * c-typeck.c (pedwarn_c99): Move to
11599 * c-errors.c: ... Here.
11600 * toplev.h (verror, vwarning, vpedwarn): Remove prototypes.
11601 * diagnostic.c (verror, vwarning, vpedwarn): Make static.
11602 * Makefile.in (C_AND_OBJC_OBJS): Include c-errors.o
11603 (c-errors.o): List dependency.
11605 2000-07-12 Mark Mitchell <mark@codesourcery.com>
11607 * c-parse.c: Remove.
11608 * c-parse.h: Likewise.
11609 * c-parse.y: Likewise.
11610 * objc/objc-parse.c: Likewise.
11611 * objc/objc-pasre.y: Likewise.
11613 2000-07-11 Rodney Brown <RodneyBrown@pmsc.com>
11615 * gcc.texi: Fix minor typos
11616 * extend.texi: Fix minor typos
11618 2000-07-11 Marc Espie <espie@openbsd.org>
11620 * collect2.c (main): Recognize .lo as object files.
11622 2000-07-11 J. David Anglin <dave@hiauly1.hia.nrc.ca>
11624 * pa.c (hppa_encode_label): Store labels in gc memory when ggc_p is
11627 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Extend test to detect systems
11628 with MAP_ANONYMOUS and MAP_ANON.
11629 * configure, config.in: Rebuilt.
11631 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
11633 * diagnostic.c (save_output_state): Remove.
11634 (restore_output_state): Likewise.
11635 (clear_text_info): New function.
11636 (clear_diagnostic_info): Likewise.
11637 (output_text_length, is_starting_newline, output_prefix,
11638 line_wrap_cutoff, ideal_line_wrap_cutoff, prefix_was_emitted_for,
11639 prefixing_policy, output_buffer_ptr_to_format_args): New macros
11640 (set_real_maximum_length, output_set_maximum_length,
11641 output_set_prefix, output_get_prefix, output_set_maximum_length,
11642 output_destroy_prefix, init_output_buffer,
11643 reshape_diagnostic_buffer, output_space_left, output_emit_prefix,
11644 output_add_newline, output_add_character, output_add_space,
11645 output_append_r, output_append, wrap_text, output_format,
11646 output_do_printf, output_printf, output_do_verbatim,
11647 output_verbatim, verbatim): Use them.
11648 (output_clear): Split into cleat_text_info and
11649 clear_diagnostic_info.
11650 (struct output_state): Move to...
11652 * diagnostic.h: ...Here
11653 (struct output_buffer): Adjust.
11655 2000-07-11 Zack Weinberg <zack@wolery.cumb.org>
11657 * cpplex.c (parse_name): No longer inline (premature optimization).
11658 (do_pop_context): Fold into pop_context.
11659 (pop_context): Returns int.
11660 (lex_next): Hoist test for end of directive into pop_context.
11661 (push_macro_context): Returns int; takes just reader and token.
11662 Hoist test for excessive nesting to caller.
11663 (push_arg_context): Returns void; takes just reader and token.
11664 Do not call stringify_arg or get_raw_token.
11665 (get_raw_token): Convert tail recursion through push_arg_context
11666 to a loop at this level. Call stringify_arg here if appropriate.
11667 (maybe_paste_with_next): Convert tail recursion to a while loop.
11668 Hoist test of paste_level to caller.
11670 (stringify_arg): Push arg context at beginning.
11671 (cpp_get_token): Split out core into _cpp_get_token. Call
11672 process_directive here. Throw away CPP_PLACEMARKER tokens.
11673 (_cpp_get_token): Convert tail recursion through
11674 push_macro_context to a loop at this level.
11675 (_cpp_glue_header_name, is_macro_disabled, stringify_arg,
11676 _cpp_get_raw_token): Use _cpp_get_token.
11677 (_cpp_skip_rest_of_line): Drop the context stack directly; do
11678 not call pop_context.
11679 (_cpp_run_directive): Call lex_next directly.
11681 * cpphash.h: Prototype _cpp_get_token.
11682 * cppexp.c (lex): Use it.
11683 * cpphash.c (parse_define): Use it.
11684 * cpplib.c (get_define_node, do_undef, parse_include,
11685 read_line_number, do_line, do_ident, do_pragma, do_pragma_gcc,
11686 do_pragma_implementation, do_pragma_poison, do_pragma_dependency,
11687 parse_ifdef, validate_else): Use it.
11688 (cpp_push_buffer): Tweak error message; abort if anyone tries
11689 to push a buffer while macro expansions are stacked.
11691 2000-07-11 Donn Terry <donnte@microsoft.com>
11693 * cpplex.c (free_macro_args, save_token): Cast arg of free
11694 and/or xrealloc to PTR.
11695 (_cpp_init_input_buffer): Clear all fields of the base context.
11697 Tue Jul 11 15:28:21 CDT 2000 Clinton Popetz <cpopetz@cygnus.com>
11699 * gensupport.c (process_rtx): Make rtl checking stop
11700 complaining about the define_insn while it is being
11701 converted from a define_insn_and_split.
11703 Tue Jul 11 16:26:17 2000 Clinton Popetz <cpopetz@cygnus.com>
11705 * config/mips/mips.c (simple_memory_operand): Access the
11706 INTVAL of the address, not it's containing MEM.
11708 2000-07-11 Bruce Korb <bkorb@gnu.org>
11710 * fixinc/fixtests.c(double_slash): obsolete
11711 (else_endif_label): likewise
11712 * fixinc/inclhack.def(irix_multiline_cmnt): obsolete
11713 (libc1_ifdefd_memx): correct initial comment
11714 and omit the #if/#endif pair from the memxxx declarations
11715 * fixinc/fixincl.x: regen
11717 2000-07-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11719 * cpplex.c (T, I, S, C, N): Avoid non-constant initializers.
11721 2000-07-11 Neil Booth <NeilB@earthling.net>
11723 * cpp.texi: Update.
11725 2000-07-11 Neil Booth <NeilB@earthling.net>
11727 * cppinit.c: (cpp_reader_init): Allow digraphs by default.
11728 (handle_option): Set digraphs according to standard.
11729 Merge OPT_lang_c89 handler with OPT_std_c89.
11731 * cpplex.c: (lex_line, can_paste): Honour digraphs in
11732 accordance with the digraphs flag.
11734 * cpplib.h: (struct cpp_options): New option digraphs.
11736 2000-07-10 Hans-Peter Nilsson <hp@axis.com>
11737 Bruce Korb <bkorb@gnu.org>
11739 * fixinc/inclhack.def (libc1_ifdefd_memx): New fix.
11740 * fixinc/fixincl.x: Regenerate.
11741 * fixinc/tests/base/testing.h: Add testcase.
11743 2000-07-10 Richard Henderson <rth@cygnus.com>
11745 * config/ia64/ia64.c (got_symbolic_operand): New.
11746 (symbolic_operand, move_operand): Revert 0701 change.
11747 * config/ia64/ia64.h (PREDICATE_CODES): Update.
11748 * config/ia64/ia64-protos.h (got_symbolic_operand): Declare.
11749 * config/ia64/ia64.md (movdi): Revert 0701 wrt symbolic_operand;
11750 split the offset into a 14-bit low part instead of a 13-bit low part.
11751 (load_fptr): Mark the mem as unchanging.
11752 (load_symptr): Use got_symbolic_operand.
11754 2000-07-10 Nick Clifton <nickc@cygnus.com>
11756 * libgcc2.c (next_stack_level): Cast result of computation to
11757 (void **) so that the assignment does not generate a warning.
11759 2000-07-10 Chandrakala Chavva <cchavva@redhat.com>
11761 * flags.h : Add new variable flag_single_precision_constant.
11762 * toplev.c (display_help) : Add -fsingle-precision-constant option.
11763 (flag_single_precision_constant): New.
11764 * c-lex.c (yylex): Convert floating point constant to single
11765 precision constant.
11766 * invoke.texi : Add documentation for this new option.
11768 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
11770 * diagnostic.c (output_octal): Second parameter is unsigned.
11771 (output_long_octal): Likewise.
11772 (output_hexadecimal): Likewise.
11773 (output_long_hexadecimal): Likewise.
11774 (output_format): Adjust arguments extraction. Tweak.
11775 (output_verbatim, verbatim): End variable argument list.
11776 (report_diagnostic): Improve documentation.
11778 2000-07-10 Benjamin Chelf <chelf@codesourcery.com>
11780 * c-common.h (build_stmt): Declare.
11781 (build_continue_stmt): Likewise.
11782 (build_break_stmt): Likewise.
11783 (build_return_stmt): Likewise.
11785 * c-decl.c (do_case): Rewrite to do what previously done in
11788 * c-semantics.c (build_stmt): Define.
11789 (build_return_stmt): Likewise.
11790 (build_break_stmt): Likewise.
11791 (build_continue_stmt): Likewise.
11792 (build_case_label): Likewise.
11794 * c-parse.in (BREAK): Change to build tree, then generate RTL.
11795 (CONTINUE): Likewise.
11796 (RETURN): Likewise.
11798 (DEFAULT): Likewise.
11800 * c-parse.y: Regenerate.
11801 * c-pasre.c: Likewise.
11803 2000-07-09 Jason Merrill <jason@redhat.com>
11805 * expr.c (expand_expr): Bail earlier if we get an error_mark_node.
11807 * tree.h (STRIP_NOPS): Check for error_mark_node.
11808 (STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Likewise.
11809 (dwarf2out_*): Remove duplicate declarations.
11811 * c-decl.c (duplicate_decls): Copy DECL_ABSTRACT_ORIGIN from
11812 DECL_ABSTRACT_ORIGIN, not DECL_ORIGIN.
11814 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
11816 * diagnostic.c (wrap_text): New function.
11817 (maybe_wrap_text): Likewise.
11818 (output_add_string): Use it.
11819 (output_format): Likewise.
11820 (count_error): Use verbatim instead of notice.
11821 (report_error_function): Likewise. Don't use plain fprintf.
11822 (finish_diagnostic): New function.
11823 (output_do_verbatim): Tweak. Commonalize functionalities in
11824 output_verbatim and verbatim.
11825 (output_verbatim): Adjust.
11826 (verbatim): Likewise.
11827 (report_diagnostic): Define.
11829 * diagnostic.h (report_diagnostic): Prototype.
11831 2000-07-09 Zack Weinberg <zack@wolery.cumb.org>
11833 * cppexp.c (_cpp_parse_expr): Don't use unary plus.
11835 2000-07-09 Neil Booth <NeilB@earthling.net>
11837 * cpphash.h: ISvspace, is_vspace, is_nvspace: New.
11838 IShspace, ISspace: Update.
11840 * cppinit.c: ISTABLE: Update.
11843 * cpplex.c (IS_HSPACE, S_NEWLINE): Remove.
11844 (IS_DIRECTIVE): Rename KNOWN_DIRECTIVE.
11845 (skip_block_comment, skip_line_comment, parse_string,
11846 lex_line): Use is_vspace rather than IS_NEWLINE.
11847 (skip_whitespace, lex_line): Clean up to use is_nvspace.
11848 (lex_line): Use KNOWN_DIRECTIVE. Any kind of directive
11850 (lex_next): Unconditionally stop if within a directive.
11851 Treat directives within macro invocations as directives
11852 (after parse_args emits error), not as the argument.
11854 2000-07-09 Gabriel Dos Reis <gdr@codesourcery.com>
11856 * diagnostic.c (diagnostic_args): New macro.
11857 (diagnostic_msg): Likewise.
11858 (output_formatted_integer): Likewise.
11859 (output_state): New data type.
11860 (digit_buffer): Make global.
11861 (output_add_integer): Rename to output_decimal. Squeeze
11863 (output_long_decimal, output_unsigned_decimal,
11864 output_long_unsigned_decimal, output_octal, output_long_octal,
11865 output_hexadecimal, output_long_hexadecimal): New functions.
11866 (output_append_r): New function.
11867 (output_append): Tweak.
11868 (output_flush_on): Rename to output_to_stream.
11869 (output_format): Change prototype. Improve documentation. Handle
11870 more format specifiers.
11871 (build_location_prefix): Rename to context_as_prefix.
11872 (output_notice): Rename to output_do_printf.
11873 (output_printf): Tweak.
11874 (line_wrapper_printf): Likewise.
11875 (vline_wrapper_message_with_location): Adjust call to renamed
11877 (v_message_with_decl): Likewise.
11878 (default_print_error_function): Likewise.
11879 (save_output_state): New function.
11880 (restore_output_state): Likewise.
11881 (output_do_verbatim): Likewise.
11882 (output_verbatim): Define.
11883 (verbatim): Likewise.
11885 * diagnostic.h (printer_fn): Change return type from void to int.
11886 Improve documentation.
11887 (output_add_integer): Rename to output_decimal.
11888 (output_flush_on, output_format): Don't export.
11889 (output_verbatim, verbatim): Declare.
11891 2000-07-08 Toon Moene <toon@moene.indiv.nluug.nl>
11893 * fold-const.c (extract_muldiv) case PLUS_EXPR, MINUS_EXPR:
11894 Check whether c divides op1 exactly if operation is not
11897 2000-07-08 Richard Henderson <rth@cygnus.com>
11899 * final.c (final): Do not abort when reg-stack introduces
11902 2000-07-08 Zack Weinberg <zack@wolery.cumb.org>
11904 * cpplib.h (struct cpp_name): Now struct cpp_string.
11905 (CPP_INT, CPP_FLOAT, CPP_NUMBER, CPP_COMMENT,
11906 CPP_HEADER_NAME): Change to type S.
11907 (struct cpp_token): Rename 'name' field to 'str'. Add 'node'
11908 field, a cpp_hashnode *. All references to val.name updated
11909 to use val.str or val.node as appropriate.
11910 (struct cpp_reader): Add spec_nodes field.
11911 (cpp_idcmp): Now cpp_ideq; takes a token * and a char *.
11913 * cpphash.h (struct spec_nodes): New.
11914 (enum spell_type): Reorder. Only SPELL_STRING tokens use
11915 val.str. All references to 'spelling > SPELL_NONE' updated to
11918 (CPP_IN_SYSTEM_HEADER): Check pfile->buffer and
11919 pfile->buffer->inc are not NULL before dereferencing them.
11921 * cpplex.c (parse_name): Take a pointer to the current token,
11922 plus current position and limit as args; return the new
11923 position; don't copy the text of a name into the string
11924 buffer, instead call cpp_lookup and store the node pointer.
11925 If extending a token, copy out the text of the old into a
11926 scratch buffer, append the new, look that up and store the new
11927 node pointer. Inline.
11928 (maybe_paste_with_next): If the result of paste is a NAME,
11929 then look up the pasted text and store its node pointer.
11930 (lex_line): Adjust for new parse_name interface.
11931 Check for L"str", L'str' using spec_nodes->n_L.
11932 (spell_token): SPELL_IDENT tokens have their spelling in
11933 val.node->name. Handle SPELL_STRING tokens that don't have
11935 (_cpp_expand_name_space,
11936 (can_paste): Check for L ## "str" using spec_nodes->n_L.
11937 (cpp_get_token, special_symbol): No need to call cpp_lookup.
11938 (cpp_idcmp): Now cpp_ideq; take a token * and a const char *;
11939 return 1=equal 0=not, not a tristate.
11941 * cpphash.c (var_args_str): Delete.
11942 (find_param): Compare node fields directly.
11943 (is__va_args__): Use CPP_PEDANTIC. Just compare
11944 token->val.node with spec_nodes->n__VA_ARGS__.
11945 (dump_funlike_macro): Don't use var_args_str.
11947 * cpplib.c (_cpp_check_directive): Just walk through
11948 spec_nodes->dirs comparing pointers.
11949 (get_define_node, do_pragma_poison, detect_if_not_defined,
11950 parse_ifdef): The identifier has already been looked up.
11951 (do_ifdef, do_ifndef): parse_ifdef won't return a poisoned
11953 (do_if): Only call detect_if_not_defined at beginning of file.
11954 (_cpp_parse_assertion): Only copy string pointers for
11955 SPELL_STRING tokens.
11956 (pragma_dispatch): Take a node pointer and examine its name
11958 (_cpp_init_stacks): Also initialize the spec_nodes structure.
11960 * cppinit.c (cpp_reader_init): Call _cpp_init_stacks after
11962 (cpp_cleanup): Free pfile->spec_nodes. Call _cpp_cleanup_* in
11963 reverse order from the corresponding _cpp_init_* routines.
11965 * cppexp.c (parse_number, parse_charconst, parse_defined,
11966 lex): Check val.node->type instead of calling cpp_defined.
11967 Use spec_nodes entries where appropriate.
11969 * fix-header.c, scan-decls.c: Update for interface changes.
11971 2000-07-08 Geoffrey Keating <geoffk@cygnus.com>
11973 * config/rs6000/rs6000.c (rs6000_emit_move): Fix conditions for
11974 emitting aux_truncdfsf2.
11976 2000-07-03 Donn Terry (donnte@microsoft.com)
11978 * cppinit.c (print_help): split overlong line into ISO C89
11981 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
11983 * cppexp.c: Update all code for new lexer interface.
11984 (op_t, operator codes, struct token, tokentab2, op_to_str): Remove.
11985 (struct suffix, vsuf_1, vsuf_2, vsuf_3, op_to_prio): New.
11986 * cpplex.c (token_names): Trim leading CPP_ from names; make
11987 the strings unsigned.
11988 (_cpp_spell_operator): New.
11989 (is_macro_disabled): Disable all macros if rescanning
11991 (_cpp_get_directive_token): Remove.
11993 * cppinit.c: Don't set no_macro_expand.
11994 * cpplib.c (read_line_number, do_line): Check only for EOF,
11996 * cpphash.h: Update prototypes.
11997 * cpplib.h (CPP_VSPACE): Remove.
11998 (struct cpp_reader): Remove no_macro_expand.
12000 2000-07-08 Neil Booth <NeilB@earthling.net>
12002 * cpphash.c (is__va_args__): New function.
12003 (count_params): Fix line reported in error messages. Use
12004 is__va_args__. Don't return ')' on error. Flag GNU style
12005 rest args macro definitions.
12006 (parse_define): Check macro name is not __VA_ARGS__.
12007 (save_expansion): Check identifier in non-varargs-macro is
12008 not __VA_ARGS__. Don't flag GNU_VARARGS.
12009 * cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS.
12010 (maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather
12011 than per-token GNU_VARARGS.
12012 * cpplib.h (GNU_VARARGS): Remove.
12013 (GNU_REST_ARGS): New.
12015 Sat Jul 8 01:38:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
12017 * i386.md (call_pop, call, call_value_pop): Do not set
12018 current_function_uses_pic_offset_table for calls to static
12019 functions or indirect calls.
12021 2000-07-07 Jim Wilson <wilson@cygnus.com>
12023 * config/ia64/ia64.c (rws_access_reg): New local write_count. If
12024 is_predicate_reg, then take max write_count of register pair.
12026 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12028 * tradcpp.c (main): Rename label `include' to `add_include' to
12029 avoid conflicts with variable `include' in traditional C.
12031 2000-07-07 Jakub Jelinek <jakub@redhat.com>
12033 * integrate.c (copy_insn_list): Remove REG_LABEL notes.
12035 2000-07-07 Jakub Jelinek <jakub@redhat.com>
12037 * sibcall.c (uses_addressof): Add INMEM argument, check for
12038 current_function_internal_arg_pointer outside of MEM rtxs in addition
12040 (sequence_uses_addressof): Update caller.
12042 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
12044 * tradcpp.c (initialize_builtins): Honor NO_BUILTIN_SIZE_TYPE
12047 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12049 * system.h (UNION_INIT_ZERO): New macro for initializing union
12050 members in structs.
12052 * cpplex.c (placemarker_token, eof_token): Use UNION_INIT_ZERO.
12054 2000-07-07 Neil Booth <NeilB@earthling.net>
12056 * cpp.texi: Update.
12058 Fri Jul 7 07:47:35 2000 Jeffrey A Law (law@cygnus.com)
12060 * final.c (final): Detect out of bounds array access to
12061 the insn_lengths array.
12063 2000-07-07 Kazu Hirata <kazu@hxi.com>
12065 * fold-const.c (fold): Fix a comment typo.
12067 2000-07-07 Neil Booth <NeilB@earthling.net>
12069 * cpp.texi: Update to new lexer.
12071 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
12073 * tradcpp.c: New file.
12074 * tradcif.y: New file.
12075 * tradcif.c: New generated file.
12077 * Makefile.in: Add rules to build tradcpp.o, tradcif.o,
12078 $(srcdir)/tradcif.c. Add tradcpp to STAGESTUFF and
12079 dependencies of C. Install tradcpp from install-common, in
12082 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
12084 * cppinit.c: Include cppdefault.h. Refer to
12085 cpp_GCC_INCLUDE_DIR and cpp_GCC_INCLUDE_DIR_len, not directly
12086 to GCC_INCLUDE_DIR and its length.
12087 (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
12088 USER_LABEL_PREFIX, REGISTER_PREFIX, struct default_include,
12089 STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT): Move to
12091 (include_defaults_array): Move to cppdefault.c.
12093 * cppdefault.h: New file.
12094 * cppdefault.c: New file.
12096 * Makefile.in (LIBCPP_OBJS): Add cppdefault.o.
12097 (cppinit.o): Don't apply $(PREPROCESSOR_DEFINES) to this file.
12098 (cppdefault.o): New rule; apply $(PREPROCESSOR_DEFINES) to
12101 Thu Jul 6 18:30:36 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12103 * reload.c (push_reload): When seeing if can reuse a register,
12104 check extra registers against widest of INMODE and OUTMODE.
12106 2000-07-06 Neil Booth <NeilB@earthling.net>
12108 * cpplib.c: (_cpp_parse_assertion): Perform hash lookups
12109 based on full length of predicate.
12111 2000-07-06 Hans-Peter Nilsson <hp@axis.com>
12113 * timevar.c: [HAVE_SYS_RESOURCE_H]: Include <sys/resource.h>.
12114 [NEED_DECLARATION_GETRUSAGE]: Declare getrusage.
12116 2000-07-05 Kazu Hirata <kazu@hxi.com>
12118 * h8300-proto.h: Fix formatting.
12119 * h8300.c: Likewise.
12120 * h8300.h: Likewise.
12122 2000-07-05 Jim Wilson <wilson@cygnus.com>
12124 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): If FR_REGNO_P, disallow
12127 2000-07-05 Rodney Brown <RodneyBrown@pmsc.com>
12129 * invoke.texi: Fix minor typos
12130 * md.texi: Fix minor typos
12132 2000-07-05 Zack Weinberg <zack@wolery.cumb.org>
12134 * cpplib.c (_cpp_parse_assertion): Fix buffer overrun.
12136 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
12138 * cpplex.c: Don't include sys/mman.h.
12139 (cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.
12141 * cpplib.c: Include sys/mman.h and obstack.h.
12142 (cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
12144 (cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
12145 (_cpp_unwind_if_stack): Now static, unwind_if_stack. Don't
12146 bother freeing if stack entries (they will be freed with their buffer).
12147 (do_endif): Free if stack entries from the buffer obstack.
12148 (push_conditional): Allocate if stack entries from the buffer obstack.
12150 (find_answer): Rename to _cpp_find_answer.
12151 (do_assert, do_unassert): Update.
12153 * cpphash.h: Update prototypes.
12154 (xobnew): New convenience macro.
12155 * cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
12157 (struct cpp_hashnode): Remove disabled field.
12159 * cppinit.c: Don't include hashtab.h or splay-tree.h.
12160 (report_missing_guard): Moved to cppfiles.c.
12161 (cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
12163 (cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
12164 cpp_cleanup_includes. Don't destroy hashtab or
12165 all_include_files here.
12166 (cpp_finish): Use _cpp_report_missing_guards.
12168 * cppfiles.c (report_missing_guard): Moved from cppinit.c.
12169 (_cpp_init_include_table): Rename _cpp_init_includes.
12170 (_cpp_cleanup_includes, _cpp_report_missing_guards): New.
12172 * cppexp.c (parse_assertion): Update for new name of
12175 * Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.
12177 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
12179 * cpplib.c (do_ident): s/VSPACE/EOF/
12181 2000-07-05 Neil Booth <NeilB@earthling.net>
12183 * cpplex.c: Fix trigraph replacement within strings.
12185 2000-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12187 * rs6000/aix.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier.
12189 * xcoffout.c (assign_type_number): Constify.
12190 (xcoffout_source_file): Add static prototype. Don't needlessly
12191 cast away const-ness.
12193 2000-07-04 Jason Merrill <jason@redhat.com>
12195 * frame.h (frame_state): Move base_offset to end.
12197 Mon Jul 3 21:31:43 2000 Clinton Popetz <cpopetz@cygnus.com>
12199 * calls.c (emit_library_call_value_1): Revert previous change.
12201 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
12203 * fix-header.c (struct partial_proto): Remove unnecessary fields.
12204 (recognized_extern, recognized_function, read_scan_file):
12205 Update for new scheme.
12206 (check_protection): It's still a multiple include guard even
12207 if it doesn't always trigger.
12208 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
12210 * scan.h: Declare struct cpp_token. Update prototypes.
12212 2000-07-03 Neil Booth <neilb@earthling.net>
12213 Zack Weinberg <zack@wolery.cumb.org>
12215 Complete overhaul of the lexer and macro expander.
12217 * cpphash.c (object_defn, funct_defn, push_macro_expansion,
12218 arg, arglist, argdata, reflist, collect_objlike_expansion,
12219 collect_funlike_expansion, collect_params,
12220 warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat,
12221 unsafe_chars, macarg, compare_defs, special_symbol,
12222 scan_arguments, stringify, funlike_macroexpand,
12223 _cpp_quote_string, monthnames): Delete.
12224 (cpp_lookup, _cpp_free_definition, dump_funlike_macro,
12225 _cpp_create_definition, _cpp_dump_definition,
12226 dump_hash_helper): Adjust.
12227 (find_param, count_params, parse_define, var_args_str,
12228 check_macro_redefinition, save_expansion): New.
12230 * cpplex.c (skip_block_comment, skip_line_comment, parse_name,
12231 parse_string, output_line_command, trigraph_replace,
12232 lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens,
12233 cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist,
12234 cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer,
12235 _cpp_skip_rest_of_line): Modify.
12237 (maybe_macroexpand, skip_comment, copy_comment, skip_string,
12238 find_position, null_warning, bump_column, expand_name_space,
12239 pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist,
12240 _cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace,
12241 _cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token,
12242 _cpp_prescan): Delete.
12244 (dump_param_spelling, process_directive, lex_next,
12245 is_macro_disabled, stringify_arg, expand_context_stack,
12246 output_token, make_string_token, alloc_number_token,
12247 special_symbol, duplicate_token, maybe_paste_with_next,
12248 can_paste, prevent_macro_expansion, restore_macro_expansion,
12249 get_temp_token, release_temp_tokens, quote_string,
12250 token_names, token_spellings, _cpp_expand_name_space,
12251 _cpp_glue_header_name, _cpp_reserve_name_space,
12252 digraph_spellings, trigraph_ok, skip_whitespace, save_comment,
12253 placemarker_token, eof_token, cpp_context, macro_args,
12254 get_raw_token, parse_arg, parse_args, save_token,
12255 push_arg_context, push_macro_context, pop_context,
12256 do_pop_context, free_macro_args, _cpp_get_line,
12257 _cpp_run_directive): New.
12259 * cpplib.c (validate_else, parse_include, push_conditional,
12260 pass_thru_directive, read_line_number, parse_ifdef,
12261 detect_if_not_defined, _cpp_check_directive, do_define,
12262 do_undef, do_include, do_import, do_include_next, do_error,
12263 do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas,
12264 top_pragmas, do_pragma_gcc, do_pragma_implementation,
12265 do_pragma_poison, do_pragma_system_header,
12266 do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else,
12267 dl_elif, do_endif, _cpp_unwind_if_stack, do_assert,
12268 do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert,
12269 cpp_defined): Update for new scheme.
12270 (strtoul_for_line, get_define_node, dump_macro_name,
12271 _cpp_check_linemarker, _cpp_parse_assertion): New.
12272 (_cpp_handle_directive, do_pragma_default): Delete.
12274 * cpphash.h (struct predicate): Now struct answer.
12275 (enum spell_type, struct token_spelling, struct directive,
12276 directive_handler): New.
12277 Update prototypes. Remove unused macros.
12278 * cpplib.h: Update prototypes. Remove unused macros,
12279 structure definitions, and fields.
12281 * cpperror.c (print_containing_files, v_message): Adjust.
12282 * cppexp.c (parse_assertion, lex, parse_escape,
12283 _cpp_parse_expr): Adjust.
12284 * cppfiles.c (open_include_file, _cpp_execute_include,
12285 _cpp_compare_file_date, cpp_read_file, read_include_file):
12287 * cppinit.c (dump_special_to_buffer): Delete.
12288 (append_include_chain, merge_include_chains, cpp_reader_init,
12289 cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read,
12290 cpp_finish, handle_option, print_help): Adjust.
12291 * cppmain.c (main): Adjust.
12293 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
12295 * cppspec.c (lang_specific_driver): Use double quotes in error
12298 Mon Jul 3 16:53:43 2000 Clinton Popetz <cpopetz@cygnus.com>
12300 * calls.c (emit_library_call_value_1): Use valreg instead
12301 of hard_libcall_value.
12303 2000-07-03 Geoff Keating <geoffk@cygnus.com>
12305 * config/rs6000/rs6000.c (rs6000_emit_move): New function.
12306 * config/rs6000/rs6000-proto.h: Prototype rs6000_emit_move.
12307 * config/rs6000/rs6000.md (movsi): Use rs6000_emit_move.
12315 * expmed.c (expand_mult_highpart): Use op1 instead of wide_op1 when
12316 mode instead of wider_mode is being used.
12318 2000-07-03 Jakub Jelinek <jakub@redhat.com>
12320 * config/i386/i386.md (movstrictqi_xor): Use 'q' constraint instead
12321 of 'r'. Use q_regs_operand.
12322 (andsi_1+2): Use q_regs_operand.
12324 2000-07-03 Jakub Jelinek <jakub@redhat.com>
12326 * builtins.c (get_memory_rtx): Always put into alias set 0.
12328 2000-07-03 Nick Clifton <nickc@cygnus.com>
12330 * config/arm/arm.md: Fix post increment and pre increment
12331 peepholes so that they do not generate UNPREDICATBLE opcodes.
12332 (ie ones where the increment clobbers the source/destination).
12334 2000-07-01 Marek Michalkiewicz <marekm@linux.org.pl>
12336 * config/avr/avr.c (out_adj_frame_ptr): Make "frame pointer
12337 change too big for -mtiny-stack" a warning, if larger than 63.
12338 (out_set_stack_ptr): Change the logic so -mno-interrupts is
12339 always safe to use on possible future devices.
12340 (function_prologue): Write SPH before SPL, for consistency.
12341 If interrupt_func_p true, we know we have enabled interrupts.
12342 (avr_num_arg_regs): New function. Round up to even number of
12343 bytes if no -mpack-args or if calling a libgcc function.
12344 (function_arg, function_arg_advance): Use it.
12345 (output_movsisf, ashlsi3_out, ashrsi3_out, lshrsi3_out):
12346 Output "movw" if available.
12347 (out_tsthi, out_tstsi, ashlqi3_out, lshrqi3_out): Change uses
12348 of TEST_HARD_REG_CLASS macro to test_hard_reg_class function.
12349 (asm_output_section_name): Add blanks for consistent output.
12350 (encode_section_info): Set TREE_READONLY for progmem data to
12351 avoid gas warnings about changed section attributes.
12352 (avr_hard_regno_mode_ok): Force non-QImode data to start in
12353 even numbered registers on devices with "movw".
12354 * config/avr/avr.h (MASK_*): Define bits for target_flags.
12355 (TARGET_SWITCHES): Mark help strings for translation.
12356 Add new -mpack-args and -menhanced switches.
12357 (TARGET_OPTIONS): Mark help strings for translation.
12358 (progmem_section): Add section attributes.
12359 * config/avr/avr.md (*movhi, call_insn, call_value_insn):
12360 Output "movw" if available.
12361 (mulqi3, mulqihi3, umulqihi3, mulhi3, *tablejump_enh):
12363 * config/avr/libgcc.S (_mulqi3, _divqi3): Update to the new
12364 call convention (arguments aligned on even registers).
12365 (_cleanup, _exit): Make weak symbols libc can override.
12367 2000-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12369 * fp-bit.h: New file.
12371 * fp-bit.c: Move common code, prototypes, etc into fp-bit.h.
12372 Comment #endif statements.
12373 (__thenan_sf, __thenan_df): Add missing braces around initializer.
12375 Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
12377 * gcse.c (compute_pre_data): Compute ae_kill using other local
12378 properties instead of calling compute_ae_kill.
12380 * alias.c (init_alias_analysis): Do not call
12381 prologue_epilogue_contains until after reload has completed.
12383 2000-07-02 Benjamin Chelf <chelf@codesourcery.com>
12385 * c-common.h (genrtl_begin_compound_stmt): Remove declaration.
12386 (genrtl_finish_compound_stmt): Likewise.
12387 (genrtl_compound_stmt): Change to return void.
12389 * c-semantics.c (genrtl_begin_compound_stmt): Remove function and
12390 move code from here to ...
12391 (genrtl_compound_stmt): ... here.
12392 (genrtl_finish_compound_stmt): Remove.
12393 (expand_stmt): Add comment.
12395 2000-07-02 Zack Weinberg <zack@wolery.cumb.org>
12397 * c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P
12400 2000-07-02 Jakub Jelinek <jakub@redhat.com>
12402 * cpplib.h (struct cpp_reader): New field include_depth.
12403 (struct cpp_printer): Rename last_bsd to last_id.
12404 * cppfiles.c (read_include_file): Bump include_depth.
12405 * cpplex.c (cpp_pop_buffer): Decrement include_depth.
12406 (output_line_command): Output correct #line if a header
12407 is including itself and is not protected against multiple inclusion.
12408 Use include_depth instead of buffer_stack_depth, last_id instead of
12410 * cppinit.c (cpp_start_read): Initialize last_id instead of
12413 2000-07-01 Benjamin Chelf <chelf@codesourcery.com>
12415 * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
12416 (c-semantics.o): New target.
12418 * c-common.h (TREE_LANG_FLAG_?): Added documentation.
12419 (genrtl_do_pushlevel): Moved from cp/cp-tree.h.
12420 (genrtl_clear_out_block): Likewise.
12421 (genrtl_goto_stmt): Likewise.
12422 (genrtl_expr_stmt): Likewise.
12423 (genrtl_decl_stmt): Likewise.
12424 (genrtl_if_stmt): Likewise.
12425 (genrtl_while_stmt): Likewise.
12426 (genrtl_do_stmt): Likewise.
12427 (genrtl_return_stmt): Likewise.
12428 (genrtl_for_stmt): Likewise.
12429 (genrtl_break_stmt): Likewise.
12430 (genrtl_continue_stmt): Likewise.
12431 (genrtl_scope_stmt): Likewise.
12432 (genrtl_switch_stmt): Likewise.
12433 (genrtl_case_label): Likewise.
12434 (genrtl_begin_compound_stmt): Likewise.
12435 (gerntl_finish_compound_stmt): Likewise.
12436 (genrtl_compound_stmt): Likewise.
12437 (genrtl_asm_stmt): Likewise.
12438 (genrtl_decl_cleanup): Likewise.
12439 (DECL_ANON_UNION_ELEMS): Likewise.
12440 (emit_local_var): Likewise.
12441 (make_rtl_for_local_static): Likewise.
12442 (expand_cond): Likewise.
12443 (expand_stmt): Likewise.
12444 (c_expand_return): Likewise.
12445 (c_expand_start_case): Likewise.
12446 (do_case): Likewise.
12447 (COMPOUND_STMT_NO_SCOPE): Likewise.
12448 (c_expand_asm_operands): Likewise.
12449 (NEW_FOR_SCOPE_P): New macro.
12450 (expand_expr_stmt_fn): New type.
12452 (set_current_function_name_declared): Likewise.
12453 (current_function_name_declared): Likewise.
12454 (lang_expand_stmt): Likewise.
12455 (stmts_are_full_exprs_p): Likewise.
12456 (anon_aggr_type_p): Likewise.
12457 (lang_expand_expr_stmt): Likewise.
12458 (build_case_label): Likewise.
12460 * c-decl.c (lang_expand_expr_stmt): Initialize.
12461 (stmts_are_full_exprs_p): Define.
12462 (current_function_name_declared): Likewise.
12463 (do_case): Likewise.
12464 (lang_expand_stmt): Likewise.
12465 (set_current_function_name_declared): Likewise.
12466 (anon_aggr_type_p): Likewise.
12468 * c-semantics.c: New file.
12469 (expand_cond): Moved from cp/semantics.c.
12470 (genrtl_do_pushlevel): Likewise.
12471 (genrtl_clear_out_block): Likewise.
12472 (genrtl_goto_stmt): Likewise.
12473 (genrtl_expr_stmt): Likewise.
12474 (genrtl_decl_stmt): Likewise.
12475 (genrtl_if_stmt): Likewise.
12476 (genrtl_while_stmt): Likewise.
12477 (genrtl_do_stmt): Likewise.
12478 (genrtl_return_stmt): Likewise.
12479 (genrtl_for_stmt): Likewise.
12480 (genrtl_break_stmt): Likewise.
12481 (genrtl_continue_stmt): Likewise.
12482 (genrtl_scope_stmt): Likewise.
12483 (genrtl_switch_stmt): Likewise.
12484 (genrtl_case_label): Likewise.
12485 (genrtl_begin_compound_stmt): Likewise.
12486 (genrtl_finish_compound_stmt): Likewise.
12487 (genrtl_compound_stmt): Likewise.
12488 (genrtl_asm_stmt): Likewise.
12489 (genrtl_decl_cleanup): Likewise.
12490 (make_rtl_for_local_static): Moved from cp/decl.c.
12491 (emit_local_var): Likewise.
12492 (expand_stmt): Define.
12494 * c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
12495 (c_expand_return): Likewise.
12496 (c_expand_start_case): Likewise.
12498 2000-07-01 Richard Henderson <rth@cygnus.com>
12500 * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
12501 with the low 13 bits set.
12502 (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
12503 * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one
12504 of the low 13 bits into a CONST plus an adddi3.
12505 (load_symptr): Set RTX_UNCHANGING_P.
12507 See ChangeLog.3 for earlier changes.