1 2000-08-08 Richard Henderson <rth@cygnus.com>
3 * flow.c (life_analysis): Only turn off PROP_LOG_LINKS and
4 PROP_AUTOINC at -O0. Don't collect alias info at -O0.
5 (init_propagate_block_info): Don't kill memory stores at -O0.
6 (mark_set_1, mark_used_regs): Likewise.
8 2000-08-08 David Edelsohn <edelsohn@gnu.org>
10 * rs6000.c (optimization_options): Decorate 'level' as
12 (mask64_operand): Remove sign-extend thinko.
13 (rldic_operand): New function.
14 (load_multiple_operation): regno's are unsigned ints.
15 (store_multiple_operation): Likewise.
16 (lmw_operation): Likewise.
17 (stmw_operation): Likewise.
18 (includes_lshift_p): shift_mask is unsigned int.
19 (includes_lshift64_p): New function.
20 (addrs_ok_for_quad_peep): unsigned int reg1.
21 (print_operand): Consistently add "else" after
22 output_operand_lossage().
23 (print_operand, case 'b'): Fold in case 'W'.
24 (print_operand, case 'W'): Print rldic MB value.
25 (output_epilogue): Update Objective-C language string.
26 (output_toc): unsigned HOST_WIDE_INT low, compare unsigned.
27 * rs6000.h (PREDICATE_CODES): Add rldic_operand.
28 * rs6000.md (ashldi3): Add rldic instruction.
29 (iordi3, xordi3): Remove redundant "else if CONST_DOUBLE".
30 (cmpsi_internal2, cmpdi_interal2): Use 'b' output template
33 2000-08-08 Richard Henderson <rth@cygnus.com>
35 * config/ia64/ia64-protos.h: Remove duplicates. Update
36 for massive code rearrangements.
37 * config/ia64/ia64.c (ia64_arpfs_regno): Remove.
38 (ia64_rp_regno, ia64_fp_regno, ia64_input_regs): Remove.
39 (ia64_local_regs, ia64_need_regstk): Remove.
40 (ar_ccv_reg_operand): New.
41 (ia64_gp_save_reg): New.
42 (struct ia64_frame_info): Combine most of the size elements;
43 add new gr save elements.
45 (next_scratch_gr_reg): New.
46 (mark_reg_gr_used_mask): New.
47 (ia64_compute_frame_size): Rewrite. Allocate special AR regs
48 to GR backing store regs when possible.
49 (ia64_initial_elimination_offset): New.
50 (ia64_rap_fp_offset): Remove.
51 (save_restore_insns): Remove.
52 (setup_spill_pointers): New.
53 (finish_spill_pointers): New.
54 (spill_restore_mem): New.
55 (do_spill, do_restore): New.
56 (ia64_expand_prologue): Rewrite to use them.
57 (ia64_expand_epilogue): Likewise.
58 (ia64_direct_return): Update for current_frame_info changes.
59 (ia64_function_prologue): Simplify .prologue emission. Emit
61 (ia64_setup_incoming_varargs): Don't ever emit rtl.
62 (ia64_dbx_register_number): New.
63 (ia64_initialize_trampoline): New.
64 (ia64_secondary_reload_class): Request GR_REGS for integer
65 arithmetic destined for FR_REGS.
66 (ia64_init_machine_status): Don't reset return_address_pointer_rtx.
67 (ia64_mark_machine_status): Mark ia64_gp_save.
68 (rws_access_regno): Rename from rws_access_reg; don't treat
70 (rws_access_reg): New. Update all callers.
71 (rtx_needs_barrier): Remove dead unspecs.
72 (ia64_epilogue_uses): Mark ar.pfs and ar.unat live on exit.
73 (ia64_encode_section_info): Silence signed/unsigned warnings.
74 (spill_offset, sp_offset, spill_offset_emitted): Remove.
75 (tmp_reg, tmp_saved): Remove.
76 (process_set): Rewrite to expect complicated bits via
77 REG_FRAME_RELATED_EXPR.
78 (ia64_expand_fetch_and_op): Use emit_move_insn; be explicit
79 in the use of ar.ccv; never set RTX_UNCHANGING_P.
80 (ia64_expand_op_and_fetch): Likewise.
81 (ia64_expand_compare_and_swap): Likewise.
82 (ia64_expand_builtin): Likewise.
83 * config/ia64/ia64.h (AR_UNAT_REGNUM): New.
84 (FIRST_PSEUDO_REGISTER): Update.
85 (AR_M_REGNO_P): Update.
86 (FIXED_REGS): Don't mark three local registers as used.
87 (EXTRA_CC_MODES): New.
88 (SELECT_CC_MODE): New.
89 (HARD_REGNO_NREGS): Allow DImode in p0; handle CCImode.
90 (HARD_REGNO_MODE_OK): Disallow CCImode from non-predicates.
91 (FRAME_GROWS_DOWNWARD): Unset.
92 (STARTING_FRAME_OFFSET): Zero.
93 (ELIMINABLE_REGS): Eliminate from the soft to hard frame pointer.
94 (INITIAL_ELIMINATION_OFFSET): Defer to out of line function.
95 (HARD_FRAME_POINTER_REGNUM): New.
96 (CAN_DEBUG_WITHOUT_FP): Define.
97 (TRAMPOLINE_TEMPLATE): Remove.
98 (TRAMPOLINE_SIZE): Lower to 32.
99 (TRAMPOLINE_ALIGNMENT): Lower to 64.
100 (INITIALIZE_TRAMPOLINE): Defer to out of line function.
101 (PREDICATE_CODES): Update.
102 (struct machine_function): Add ia64_gp_save.
103 * config/ia64/ia64.md: Purge unused unspecs.
104 (movsi patterns): Allow moves to/from AR_M_REGS.
105 (movdi patterns): Allow moves to/from p0.
106 (call patterns): Move most setjmp hackery to ia64_gp_save_reg.
107 (gr_spill, gr_restore): Indicate ar.unat read/written.
108 (nonlocal_goto): Don't pass old frame_pointer.
109 (nonlocal_goto_receiver): Remove.
110 (exception_receiver): New.
111 (builtin_setjmp_setup): New.
112 (builtin_setjmp_receiver): New.
113 * config/ia64/lib1funcs.asm (__ia64_save_stack_nonlocal): Bundle.
114 (__ia64_nonlocal_goto): Bundle. Don't kill r7.
115 (__ia64_restore_stack_nonlocal): Likewise.
116 (__ia64_trampoline): New.
117 * config/ia64/sysv4.h (DBX_REGISTER_NUMBER): Defer to out of line
119 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __trampoline.
121 2000-08-08 Richard Henderson <rth@cygnus.com>
123 * frame.h (ia64_frame_state): Add my_psp.
124 * libgcc2.c (ia64_throw_helper): Add throw_sp argument.
125 (__throw): Pass it in. Don't clobber r7.
126 * config/ia64/frame-ia64.c (init_ia64_reg_loc): Mark inline.
127 (execute_one_ia64_descriptor) [mem_stack_v]: Sets psp.when
128 and nothing to do with sp.
129 (normalize_reg_loc): Use frame->my_psp.
130 (frame_translate): Handle frame-pointer-less functions. Set
131 spill_base correctly, in absence of being told.
132 (__build_ia64_frame_state): New sp argument. Fill in frame->my_sp.
133 (__ia64_backtrace_helper): New sp argument. Use
134 builtin_return_address instead of label addresses.
135 (print_record) [mem_stack_v]: No size member.
137 2000-08-08 Richard Henderson <rth@cygnus.com>
139 * regclass.c (choose_hard_reg_mode): Iterate over all CC modes.
141 2000-08-08 Richard Henderson <rth@cygnus.com>
143 * tm.texi (LOCAL_REGNO): Document.
144 * flow.c (LOCAL_REGNO, EPILOGUE_USES): Provide default.
145 (mark_regs_live_at_end): Don't mark LOCAL_REGNO registers.
146 * reload1.c (reload): Likewise when considering nonlocal labels.
148 * config/ia64/ia64.h (LOCAL_REGNO): New.
149 * config/sparc/sparc.h (LOCAL_REGNO): New.
151 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
153 * c-lex.c (yylex): Don't allow integer suffixes 'LUL', 'Ll', 'lL'.
155 2000-08-07 Nick Clifton <nickc@redhat.com>
157 * config/mips/mips.c: Fix compile time warning messages.
158 * config/mips/mips-protos.h: Add prototype for equality_op.
160 * mn10300.h (TARGET_SWITCHES): Document `-mam33'.
162 2000-08-07 Graham Stott <grahams@cygnus.co.uk>
164 * mn10300.md: Use nonimmediate_operand instead of general_operand
167 * mn10300.h (PREFERRED_RELOAD_CLASS): Limit memory reloads.
169 2000-08-07 Alexandre Oliva <aoliva@redhat.com>
171 * sh.h (EXTRA_CONSTRAINT_Q): Adjust to GNU Coding Standards.
172 * sh.c (expand_block_move): Break long lines.
173 (expand_ashiftrt, fpscr_set_from_mem): Likewise.
174 * sh.md (mulsi3): Likewise.
175 (movdi): Adjust spacing.
177 2000-08-07 Richard Henderson <rth@cygnus.com>
179 * expmed.c (store_bit_field): Don't require MEM_IN_STRUCT_P.
180 * expr.c (emit_group_store): Don't set it.
182 2000-08-07 Kazu Hirata <kazu@hxi.com>
184 * invoke.texi (Options for Debugging Your Program or GCC): Remove
185 duplicate entries for 'w' and 'z'.
187 * flow.c: Fix a comment typo.
189 Sun Aug 6 23:47:35 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
191 * c-parse.in: Changed the language string for Objective-C to "GNU
194 Sun Aug 6 11:54:03 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
196 * gthr-posix.h: Integrated Chris Ball's <cball@fmco.com> changes
197 to improve the Posix thread support for Objective-C.
199 2000-08-06 Joseph S. Myers <jsm28@cam.ac.uk>
201 * c-common.h (enum c_tree_index): Add CTI_SIGNED_SIZE_TYPE and
202 CTI_UNSIGNED_PTRDIFF_TYPE.
203 (signed_size_type_node): Define.
204 (unsigned_ptrdiff_type_node): Define.
205 * c-decl.c (init_decl_processing): Create the
206 signed_size_type_node and unsigned_ptrdiff_type_node types.
207 * c-common.c (T_SC): Define.
210 (print_char_table): Use T_SST for %zd, %zi, %zn. Use T_UPD for
211 %to, %tu, %tx, %tX. Allow %hhn (T_SC). Add "c" to the flags for
213 (scan_char_table): Use T_SC for %hhd, %hhi, %hhn. Use T_SST for
214 %zd, %zi, %zn. Use T_UPD for %to, %tu, %tx, %tX. Add "c" to the
215 flags for %c, %s and %[.
216 (check_format_info): Only allow leniency for signedness of targets
217 of character pointers (when pedantic) for formats flagged with
218 "c", so for strings but not for %hh formats. When pedantic, don't
219 allow character pointers to substitute for void pointers if a
220 second level of indirection is present.
222 2000-08-06 Kazu Hirata <kazu@hxi.com>
224 * invoke.texi (Options for Debugging Your Program or GCC): Update
225 the names of dump files.
227 * h8300.c (dosize): Rearrange code for conciseness.
228 (split_adds_subs): Likewise.
230 * loop.c: Fix formatting.
232 * dwarf2out.c: Fix formatting.
234 * tm.texi (FUNCTION_ARG_PARTIAL_NREGS): Fix a typo.
236 * expr.c: Fix formatting.
238 2000-08-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
240 * rs6000.c (rs6000_maybe_dead): Prototype.
242 2000-08-06 Richard Henderson <rth@cygnus.com>
244 * stmt.c (expand_goto): Do virtual_stack_vars_rtx replacement for
245 HAVE_nonlocal_goto as well.
246 * config/i960/i960.md (nonlocal_goto): Don't do it here.
247 * config/pj/pj.md (nonlocal_goto): Likewise.
249 2000-08-07 Michael Hayes <mhayes@cygnus.com>
251 * loop.c (try_swap_copy_prop): New function.
252 (load_mems): Rename copies to load_copies and add new regset
253 store_copies. Check for sets of shadow registers and mark
254 in store_copies. Call try_swap_copy_prop for registers
255 marked in store_copies.
257 Sun Aug 6 00:54:42 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
259 * objc/objc-act.c: New command line option -fconstant-string-class
260 to allow specifying a user defined constant string class,
261 different from NXConstantString.
263 * toplev.c: Moved the Objective-C specific options to
266 * objc/lang-options.h: Moved the Objective-C specific options from
267 toplev.c. Added -fconstant-string-class.
269 2000-08-05 Chris Demetriou <cgd@sibyte.com>
271 * mips/elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
272 DTOR_LIST_BEGIN, DTOR_LIST_END): change type of
273 __CTOR_LIST__ from func_ptr array to just func_ptr, to
274 avoid extra alignment imposed on arrays.
275 * mips/elf64.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
276 DTOR_LIST_BEGIN, DTOR_LIST_END): Likewise.
278 * mips.h: Clean up comments and spacing near MASKs.
279 (TARGET_UNIX_ASM): Delete.
280 (MASK_MIPS16, MASK_NO_CHECK_ZERO_DIV, MASK_CHECK_RANGE_DIV,
281 MASK_UNINIT_CONST_IN_RODATA): Change values to make mask
284 2000-08-05 Joseph S. Myers <jsm28@cam.ac.uk>
286 * c-common.c (print_char_table): Add entries for the X/Open '
287 format flag (print decimals with locale's thousands grouping
288 character). Make %C expect wint_t.
289 (check_format_info): If pedantic, warn when the %n$ operand
290 number form is used. Allow for the ' flag; warn about it if
293 2000-08-05 Zack Weinberg <zack@wolery.cumb.org>
295 * i386.h (FUNCTION_OK_FOR_SIBCALL): Not OK if DECL's return
296 type is a float mode, cfun->decl's return type is not, and
297 TARGET_FLOAT_RETURNS_IN_80387.
299 2000-08-04 Andreas Schwab <schwab@suse.de>
301 * cppmain.c (cb_def_pragma): Skip the first two tokens from the
302 token list, which are always `#' and `pragma'.
304 2000-08-04 Zack Weinberg <zack@wolery.cumb.org>
306 * tree.c (tree_expr_nonnegative_p): Move to...
307 * fold-const.c: ... here. Also handle BIND_EXPR and RTL_EXPR.
308 (rtl_expr_nonnegative_p): New.
309 * tree.h: Add prototype for rtl_expr_nonnegative_p.
311 * real.h (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH, CONST_DOUBLE_MEM,
312 CONST_DOUBLE_CHAIN: Move to...
313 * rtl.h: ...here. Use XCINT/XCEXP.
315 * Makefile.in: Remove toplev.o from OBJS. Add rule to make
316 libbackend.a; add libbackend.a to STAGESTUFF. Add BACKEND
317 variable. Use BACKEND when linking cc1, not OBJS. Add BACKEND
320 * objc/Make-lang.in (cc1obj): Link with $(BACKEND).
322 2000-08-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
324 * config/c4x/c4x.md (return_indirect_internal): New.
325 * config/c4x/c4x.c (c4x_expand_epilogue): Use it.
327 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
329 * c-common.c (time_char_table): Mark up formats added in C99 and
330 make other corrections. %D and %g were added in C99. %Og is an
331 extension. %EX is permitted. %R, %T, %n, %r, %t were added in
332 C99. %e was added in C99. %Oj is an extension. %G and %z are in
333 C99 rather than GNU extensions, but %OG and %Oz are extensions.
334 %h was added in C99. %C was added in C99. %OY and %OC are
335 extensions. Add the C99 format %F.
336 (check_format_info): If pedantic and not in C99 mode, warn for C99
339 Fri Aug 4 23:01:58 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
341 * function.c (schedule_fixup_var_refs): New function, broken out
342 of put_reg_into_stack.
343 (put_reg_into_stack): Use it.
344 (put_var_into_stack): In CONCAT case, fixup up references for
345 components only after fixing up references to the whole concat.
347 2000-08-04 Rodney Brown <RodneyBrown@pmsc.com>
349 * alias.c (mark_constant_function): Use INSN_P.
350 (init_alias_analysis): Likewise.
351 * combine.c (combine_instructions): Use INSN_P.
352 (can_combine_p): Likewise.
353 (try_combine): Likewise.
354 (distribute_notes): Likewise.
355 (distribute_links): Likewise.
356 * cse.c (cse_around_loop): Use INSN_P.
357 (invalidate_skipped_block): Likewise.
358 (cse_set_around_loop): Likewise.
359 (cse_end_of_basic_block): Likewise.
360 (delete_trivially_dead_insns): Likewise.
361 * emit-rtl.c (unshare_all_rtl_again): Use INSN_P.
362 (unshare_all_rtl_1): Likewise.
363 (next_cc0_user): Likewise.
364 (try_split make_insn_raw): Likewise.
365 (remove_unnecessary_notes): Likewise.
366 * final.c (shorten_branches): Use INSN_P.
367 (leaf_renumber_regs): Likewise.
368 (leaf_renumber_regs_insn): Likewise.
369 * flow.c (find_label_refs): Use INSN_P.
370 (verify_wide_reg): Likewise.
371 (notice_stack_pointer_modification): Likewise.
372 (count_or_remove_death_notes): Likewise.
373 (verify_flow_info): Likewise.
374 (clear_log_links): Likewise.
375 * function.c (fixup_var_refs_insns): Use INSN_P.
376 (compute_insns_for_mem): Likewise.
377 * gcse.c (alloc_gcse_mem): Use INSN_P.
378 (compute_sets): Likewise.
379 (compute_hash_table): Likewise.
380 (classic_gcse): Likewise.
382 (insert_insn_end_bb): Likewise.
383 (delete_null_pointer_checks_1): Likewise.
384 * global.c (expand_preferences): Use INSN_P.
385 (build_insn_chain): Likewise.
386 * graph.c (node_data): Use INSN_P.
387 * haifa-sched.c (priority): Use INSN_P.
388 (rm_line_notes): Likewise.
389 (rm_other_notes): Likewise.
390 (find_insn_reg_weight): Likewise.
391 (init_target_units): Likewise.
392 (schedule_block): Likewise.
393 (compute_block_forward_dependences): Likewise.
394 (debug_dependencies): Likewise.
395 (set_priorities): Likewise.
396 * integrate.c (function_cannot_inline_p): Use INSN_P.
397 (save_parm_insns): Likewise.
398 (copy_insn_list): Likewise.
399 * jump.c (mark_all_labels): Use INSN_P.
400 (never_reached_warning): Likewise.
401 * lcm.c (optimize_mode_switching): Use INSN_P.
402 * local-alloc.c (validate_equiv_mem): Use INSN_P.
403 (memref_used_between_p): Likewise.
404 (update_equiv_regs): Likewise.
405 (block_alloc): Likewise.
406 (no_conflict_p): Likewise.
407 * loop.c (scan_loop): Use INSN_P.
408 (find_and_verify_loops): Likewise.
409 (count_loop_regs_set): Likewise.
410 (loop_reg_used_before_p): Likewise.
411 (strength_reduce): Likewise.
412 (recombine_givs): Likewise.
413 (check_dbra_loop): Likewise.
414 (load_mems): Likewise.
415 (try_copy_prop): Likewise.
416 * print-rtl.c (print_rtx): Use INSN_P.
417 * recog.c (find_single_use): Use INSN_P.
418 * reg-stack.c (stack_regs_mentioned): Use INSN_P.
419 (next_flags_user): Likewise.
420 (swap_rtx_condition): Likewise.
421 * regmove.c (mark_flags_life_zones): Use INSN_P.
422 (optimize_reg_copy_1): Likewise.
423 (optimize_reg_copy_2): Likewise.
424 (optimize_reg_copy_3): Likewise.
425 (reg_is_remote_constant_p): Likewise.
426 (fixup_match_2): Likewise.
427 (regmove_optimize): Likewise.
428 (fixup_match_1): Likewise.
429 * regrename.c (build_def_use): Use INSN_P.
430 (replace_reg_in_block): Likewise.
431 (consider_use): Likewise.
432 * reload.c (find_equiv_reg): Use INSN_P.
433 * reload1.c (reload): Use INSN_P.
434 (maybe_fix_stack_asms): Likewise.
435 (calculate_needs_all_insns): Likewise.
436 (reload_as_needed): Likewise.
437 (emit_output_reload_insns): Likewise.
438 (delete_address_reloads_1): Likewise.
439 (reload_cse_regs_1): Likewise.
440 (reload_combine): Likewise.
441 (reload_cse_move2add): Likewise.
442 * reorg.c (redundant_insn): Use INSN_P.
443 (dbr_schedule): Likewise.
444 * resource.c (find_dead_or_set_registers): Use INSN_P.
445 (mark_target_live_regs): Likewise.
446 * rtlanal.c (reg_used_between_p): Use INSN_P.
447 (reg_referenced_between_p): Likewise.
448 (reg_set_between_p): Likewise.
449 (reg_set_p): Likewise.
450 (single_set): Likewise.
451 (multiple_sets): Likewise.
452 (find_last_value): Likewise.
453 (reg_set_last): Likewise.
454 (find_reg_note): Likewise.
455 (find_regno_note): Likewise.
456 * sibcall.c (sequence_uses_addressof): Use INSN_P.
457 * simplify-rtx.c (cselib_process_insn): Use INSN_P.
458 * ssa.c (find_evaluations): Use INSN_P.
459 (rename_block): Likewise.
460 (rename_equivalent_regs): Likewise.
461 * unroll.c (loop_find_equiv_value): Use INSN_P.
462 (set_dominates_use): Likewise.
463 * varasm.c (mark_constant_pool): Use INSN_P.
464 (mark_constants): Likewise.
465 * config/alpha/alpha.c (alpha_does_function_need_gp): Use INSN_P.
466 (alphaev4_next_group): Likewise.
467 (alphaev5_next_group): Likewise.
468 * config/c4x/c4x.c (c4x_process_after_reload): Use INSN_P.
469 (c4x_rptb_rpts_p): Likewise.
470 * config/mips/mips.c (mips16_optimize_gp): Use INSN_P.
471 * config/rs6000/rs6000.c (uses_TOC): Use INSN_P.
472 (rs6000_adjust_priority): Likewise.
473 * config/sh/sh.c (sh_loop_align): Use INSN_P.
474 (machine_dependent_reorg): Likewise.
475 (split_branches): Likewise.
476 * config/tahoe/tahoe.c (tahoe_cmp_check): Use INSN_P.
478 Fri Aug 4 11:43:49 2000 John Wehle (john@feith.com)
480 * combine.c (recog_for_combine): Remove the old notes
481 prior to attempting to recognize the new pattern.
482 (distribute_notes): Ignore REG_NONNEG notes.
484 2000-08-04 Chandrakala Chavva <cchavva@redhat.com>
486 * varasm.c (output_constructor): Add .align 0 for packed vars.
488 2000-08-04 J. David Anglin <dave@hiauly1.hia.nrc.ca>
490 * configure.in: Use default thread_file even when enable_threads is
491 yes or dce because hpux10.20 pa port uses MULTILIB implementation.
492 * configure: Rebuilt.
494 * gthr-dce.h (__gthread_objc_condition_allocate): Fix typo.
496 2000-08-04 Donn Terry (donnte@microsoft.com)
498 * prefix.c (translate_name): Don't strip trailing DIR_SEPARATOR.
500 2000-08-04 Mark Elbrecht <snowball3@bigfoot.com>
502 * i386/x-djgpp: Delete code that conditionally modifies target_alias.
503 Delete code that conditionally modifies 'version'.
504 Delete X_CPPFLAGS. Add comment for SYSTEM_HEADER_DIR.
505 * i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): New macro.
506 * gcc.c (main): Use it.
507 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): New macro.
508 * prefix.c (update_path): Use it.
509 * i386/djgpp.h (STANDARD_INCLUDE_DIR): Define.
510 (MD_EXEC_PREFIX): Set to '/dev/env/DJDIR/bin/'.
511 (ASM_OUTPUT_SECTION_NAME): Add code attribute to sections containing
513 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Default to true.
514 (SUBTARGET_SWITCHES): Adjust.
515 (WCHAR_UNSIGNED, WCHAR_TYPE_SIZE, WCHAR_TYPE): Undefine before
517 (WINT_TYPE, SIZE_TYPE, PTRDIFF_TYPE): Define.
519 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
521 * c-common.h (flag_isoc94): Declare.
522 * c-decl.c (flag_isoc94): Define.
523 (c_decode_option): Set flag_isoc94 as appropriate.
524 * c-common.c (T_PD, T_IM, T_UIM): Define.
525 (format_char_info): Add tlen and jlen.
526 (print_char_table): Add entries for %t and %j. Allow %zn. Allow
528 (scan_char_table): Add entries for %t and %j. Allow %F. Allow
530 (time_char_table): Add NULL entries for %t and %j.
531 (check_format_info): Allow for %t and %j. Warn for %F if pedantic
532 and not C99. Warn for %lc, %ls and %l[ if pedantic and not C94.
533 Warn for printf %lf if pedantic and not C99. Don't warn for empty
534 precision. Allow precision argument to be unsigned int. If
535 pedantic, warn for %p passed an argument not a pointer to possibly
536 qualified void or a possibly qualified character type, and for
537 pointer targets of the wrong sign, except for character pointers.
539 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
541 * ginclude/stddef.h: Don't declare wint_t unless __need_wint_t.
542 * c-common.h (enum c_tree_index): Add CTI_WINT_TYPE.
543 (wint_type_node): Define.
544 * c-decl.c (WINT_TYPE): Define.
545 (init_decl_processing): Create the wint_type_node type.
546 * c-common.c (T_WI): Define.
547 (print_char_table): Use T_WI for %lc format.
549 2000-08-04 Bruce Korb <bkorb@gnu.org>
551 * fixinc/: Verified that the MSDOS patch does not break
552 the UNIX functionality and applied the next three patches
555 2000-07-28 Eli Zaretskii <eliz@is.elta.co.il>
557 * fixinc/fixfixes.c (main) [__MSDOS__]: Avoid overwriting the
558 output file with the temporary one by appending ".X" to generate
559 the temporary fuile's name. If the output file already has an
560 extension, replace it with ".X".
562 * fixinc/fixincl.c (fix_with_system) [__MSDOS__]: Use $ORIGDIR,
563 not $DESTDIR, to find applyfix. Use sprintf instead of snprintf;
564 reallocate the command buffer while copying the command-line
565 argument. Redirect the output directly to the temporary file,
566 instead of going through another temporary file.
567 (process): Close the temporary file before unlinking it.
568 (machine_matches) [__MSDOS__]: If the machine doesn't match, set
569 the FD_SKIP_TEST flag. Pay attention to the FD_MACH_IFNOT flag.
570 (run_compiles): Pass p_fixd argument to machine_matches, as it
573 * fixinc/fixincl.sh: Export ORIGDIR. If $DJDIR is set in the
574 environment, assume there are no symlinks in the include
575 directory. When cleaning up the DONE files, look for them
576 case-insensitively. Don't try to remove symlinks if they aren't
579 * fixinc/fixlib.c (make_raw_shell_str): Accept new argument smax;
580 all callers changed. Declare pz "const char *", to avoid compiler
583 * fixinc/fixlib.h (ENV_TABLE): Get ORIGDIR from the environment.
584 Change prototype of make_raw_shell_str.
586 2000-07-27 Eli Zaretskii <eliz@is.elta.co.il>
588 * fixinc/fixincl.c [__MSDOS__]: Don't include "server.h".
589 (initialize) [__MSDOS__]: Use tempnam.
590 (initialize): Don't use SIGPIPE if it is not defined.
592 * fixinc/fixfixes.c (main) [__MSDOS__]: freopen for stdout should
595 2000-07-25 Bruce Korb <bkorb@gnu.org>
597 * fixinc/fix*.[ch]: substantially reworked to make it possible
598 to run this program without using fork(2) or pipe(2) (i.e. in
601 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
603 * cppdefault.h (WINT_TYPE): Define.
604 * cppinit.c (builtin_array): Define __WINT_TYPE__.
605 * tradcpp.c (initialize_builtins): Define __WINT_TYPE__.
606 * tm.texi (NO_BUILTIN_WINT_TYPE, WINT_TYPE): Document.
608 Fri Aug 4 06:53:46 2000 Clinton Popetz <cpopetz@cygnus.com>
610 * (mips_legitimate_address_p): Don't allow register+offset
611 if the offset is large and negative, and we are compiling
612 for 64 bit registers.
614 2000-08-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
616 * gencodes.c (main): Define CODE_FOR_nothing as the last possible
617 insn_code_number + 1.
619 2000-08-04 Kazu Hirata <kazu@hxi.com>
621 * h8300.c (function_prologue): Rearrange code for conciseness.
622 (function_epilogue): Likewise.
623 * h8300.h (OK_FOR_U): Fix formatting.
625 * cse.c: Fix a comment typo. Fix formatting.
627 2000-08-03 Richard Henderson <rth@cygnus.com>
629 * config/i386/i386.md (return_indirect_internal): New.
630 * config/i386/i386.c (ix86_expand_epilogue): Use it.
632 2000-08-03 Zack Weinberg <zack@wolery.cumb.org>
634 * cpplex.c (parse_name): Might have to glue a CPP_OTHER token
636 (lex_line): Glue @ onto the beginning of identifiers and
637 string constants, in Objective-C mode.
638 (output_token, spell_token): Handle CPP_OSTRING.
639 (can_paste, maybe_paste_with_next): Handle pasting @ onto the
640 beginning of a NAME or a STRING, in objc mode.
642 * cpplib.c (get_define_node): Do not permit identifiers that
643 begin with @ to be #defined.
644 * cppmacro.c (CAN_PASTE_AFTER): Add CPP_OTHER.
645 * cpplib.h (TTYPE_TABLE): Add CPP_OSTRING.
647 * c-lang.c, objc/objc-act.c (build_objc_string): Delete.
648 * c-tree.h (build_objc_string): Delete prototype.
649 * objc/objc-tree.def: Delete OBJC_STRING_CST.
650 * c-lex.c (yylex): Use build_string for all three kinds of strings.
652 * c-parse.in, objc/objc-act.c: Update commentary.
654 2000-08-03 Mark Mitchell <mark@codesourcery.com>
656 * extend.texi: Fix typo in last change.
658 * extend.texi: Add commentary on statement-expressions and their
659 interactions with C++.
661 2000-08-03 Nick Clifton <nickc@cygnus.com>
663 * dwarf2.h (DW_LANG_Java): Change value to 0x000b.
664 * dwarf.h (LANG_JAVA): Change value to 0x000b.
666 2000-08-03 Anthony Green <green@cygnus.com>
668 * dwarf2out.c (gen_compile_unit_die): Add java language support.
669 (add_bound_info): Check for java language.
670 (is_java): New function.
671 * dwarfout.c (output_compile_unit_die): Ditto.
672 * dwarf.h (dwarf_source_language): Add java source language type.
673 * dwarf2.h (dwarf_source_language): Ditto.
675 Thu Aug 3 20:32:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
677 * reg-stack.c (subst_stack_regs_pat): Use replace_reg to swap
680 * i386.c (ix86_expand_branch): Mode of comparison in
681 IF_THEN_ELSE is VOIDmode.
683 Thu Aug 3 10:05:53 2000 Akiko Matsushita <matusita@sra.co.jp>
685 * gengenrtl.c, rtl.c: Avoid #elif.
687 2000-08-03 Michael Poole <poole@troilus.org>
689 * tm.texi (Register Classes): Clarify order of sub-initializers
690 in REG_CLASS_CONTENTS.
692 Thu Aug 3 15:53:03 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
694 From SAITOH Masanobu:
695 * sh.h (ASM_OUTPUT_REG_PUSH): Fix syntax.
697 2000-08-03 David Billinghurst <David.Billinghurst@riotinto.com.au>
699 * config/i386/cygwin.h: Remove -remap from CPP_SPEC since this option
700 is not supported by tradcpp and isn't actually needed for cygwin.
702 2000-08-03 Kazu Hirata <kazu@hxi.com>
704 * h8300.c: Fix a comment typo.
705 * h8300.h (OK_FOR_U): Accept a 32-bit constant address on H8/S.
707 * jump.c: Fix formatting.
709 * toplev.c: Fix formatting.
711 Thu Aug 3 01:05:32 2000 Jeffrey A Law (law@cygnus.com)
713 * flow.c (find_auto_inc): Verify that we've got a REG before
714 peeking at its regno. Fail, don't abort if we can't find
715 the increment of the desired register.
717 * pa.md (shadd height reduction patterns/splitters): Remove.
719 2000-08-02 Jim Wilson <wilson@cygnus.com>
721 * config/ia64/ia64-protos.h (flag_ssa): Declare.
722 * config/ia64/ia64.md (movti_internal, movti_internal+1): New.
724 2000-08-02 Mark Mitchell <mark@codesourcery.com>
726 * dce.c: Remove all uses of assert.
727 * dwarf2out.c: Likewise.
728 * dwarfout.c: Likewise.
731 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
733 * gcc.h (lang_specific_driver): Constify second argument.
734 * gcc.c (translate_options, process_command, main): Likewise.
735 Constify variables to match. Cast second argument to
738 * cppspec.c, gccspec.c: Adjust type of second argument to
739 lang_specific_driver, and update code as necessary.
741 2000-08-02 Jakub Jelinek <jakub@redhat.com>
743 * loop.c (scan_loop): Ensure update_end label does not
744 go away until reg_scan_update is run.
746 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
748 * c-common.h: Prototype min_precision and c_build_qualified_type here...
749 * c-tree.h: ... not here.
750 * errors.h: Prototype fancy_abort.
752 * emit-rtl.c (gen_lowpart_common): Move variable 'c' into
753 HOST_BITS_PER_WIDE_INT == 64 ifdef block.
754 * regrename.c (regrename_optimize): Make control flow explicit.
755 (replace_reg_in_block): Initialize reg_use to 0.
757 * i386.c (legitimate_address_p): Rename error label to
758 report_error to avoid namespace clash.
760 2000-08-02 Kazu Hirata <kazu@hxi.com>
762 * fold-const.c: Fix formatting.
764 Wed Aug 2 16:26:15 MET DST 2000 Jan Hubicka <jh@suse.cz>
766 * i386.c (legitimate_address_p): Accept other bases than
767 pic_offset_table_rtx for GOTOFF constructs.
769 Wed Aug 2 15:59:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
771 * i386.md (shift to lea splitter): Use const_int_operand.
773 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
775 * cppexp.c, cppinit.c, cpplex.c, cpplib.c, cppmacro.c,
776 cppspec.c: Do not use 'legal' or 'illegal' in error messages
779 * cppmain.c (cb_define, cb_undef): Don't generate any output
780 if not done_initializing.
781 * cpplex.c (maybe_paste_with_next): When the token after a ##
782 is an omitted rest argument, only delete the token before it
783 if that token is a comma. Do not warn about bogus token
784 pastes for , ## rest_arg.
789 2000-08-02 Fred Fish <fnf@be.com>
791 * config/i386/beos-elf.h (STARTFILE_SPEC): Add i386-mcount.o
792 when user gives -p option. Add init_term_dyn.o for BeOS 5.0
795 * config/i386/beos-elf.h (INCLUDE_DEFAULTS): Add additional
796 Be directories to search path.
798 Remove support for __declspec(dllimport) and __declspec(dllexport).
799 This is leftover cruft from the earlier BeOS gcc port when BeOS
800 used Microsoft's PE object file format.
801 * configure.in (i*86-*-beoself): Remove extra_objs=winnt.o.
802 * config/i386/t-beos (winnt.o): Remove Makefile frag.
803 * config/i386/beos-elf.h (TARGET_NOP_FUN_DLLIMPORT): Remove.
804 (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
805 (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
806 (MERGE_MACHINE_DECL_ATTRIBUTES): Remove.
807 (REDO_SECTION_INFO_P): Remove.
808 (ASM_EXPORT_DECL): Remove.
809 (ASM_DECLARE_FUNCTION_NAME): Remove.
810 (ASM_DECLARE_OBJECT_NAME): Remove.
811 (ASM_OUTPUT_ALIGNED_COMMON): Remove.
812 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Remove.
813 (ASM_OUTPUT_ALIGNED_LOCAL): Remove.
814 (STRIP_NAME_ENCODING): Remove.
816 Remove support for obsolete version of BeOS that is no longer
818 * configure.in (i*86-*-beospe*): Remove.
819 * config/i386/beos-pe.h: Remove.
821 2000-08-01 Jeffrey Oldham <oldham@codesourcery.com>
822 Mark Mitchell <mark@codesourcery.com>
824 * Makefile.in (OBJS): Added dce.o.
825 (ssa.o): Updated target to include ssa.h.
827 (toplev.o): Likewise.
828 (dce.o): Created target.
829 * basic-block.h: Added comments.
830 (INVALID_BLOCK): Added definition.
831 (connect_infinite_loops_to_exit): Added declaration.
832 Moved SSA declarations to ssa.h.
833 * flow.c: Added inclusion of ssa.h.
834 (struct depth_first_search_dsS, depth_first_search_ds):
836 (compute_immediate_postdominators): Added definition.
837 (connect_infinite_loops_to_exit): Likewise.
838 (flow_dfs_compute_reverse_init): Likewise.
839 (flow_dfs_compute_reverse_add_bb): Likewise.
840 (flow_dfs_compute_reverse_execute): Likewise.
841 (flow_dfs_compute_reverse_finish): Likewise.
842 * rtl.h (rtx/in_struct): Added use to determine insn necessity.
843 (LABEL_P): Added definition.
846 (BARRIER_P): Likewise.
847 (JUMP_TABLE_DATA_P): Likewise.
848 (INSN_DEAD_CODE_P): Likewise.
849 * ssa.c: Replaced inclusions with ssa.h inclusion.
850 (CONVERT_HARD_REGISTER_TO_SSA_P): Moved to ssa.h.
851 (rename_registers): Removed unnecessary variables.
852 * ssa.h: Created by moving declarations from ssa.c and
854 * timevar.def: Defined TV_DEAD_CODE_ELIM.
855 * toplev.c: Added ssa.h inclusion.
856 (dump_file_index): Added DFI_dce.
857 (dump_file): Added "dce" entry.
859 (f_options): Added dce entry.
860 * invoke.texi: Document -fdce. Emphasize experimental status of
864 2000-08-01 Zack Weinberg <zack@wolery.cumb.org>
866 * cpperror.c (v_message): Split into _cpp_begin_message and
867 v_message macro. All callers updated.
868 (_cpp_begin_message): Do inhibit_errors/inhibit_warnings
871 * cppfiles.c (cpp_syshdr_flags): New function.
872 (read_include_file): Don't call cpp_output_tokens. Call
874 * cppinit.c (dump_macros_helper): Moved to cppmain.c.
875 (cpp_reader_init): Don't initialize token_buffer. Call
876 _cpp_init_internal_pragmas.
877 (cpp_cleanup): Don't clear token_buffer.
878 (cpp_start_read): Don't worry about output from -D processing.
879 Don't call cpp_output_tokens.
880 (cpp_finish): Don't dump macros here. Don't call
882 * cppmacro.c (_cpp_dump_definition): Rename
883 cpp_dump_definition. Write directly to a FILE *.
884 (dump_funlike_macro): Delete.
885 (dump_macro_args): New.
887 * cpplex.c (TOKEN_LEN): Convert to inline function.
888 (_cpp_grow_token_buffer, safe_fwrite, cpp_output_tokens,
889 cpp_scan_line, _cpp_dump_list): Delete.
890 (cpp_printf, cpp_output_list): New.
891 (output_line_command): Don't worry about entering or leaving files.
892 (cpp_scan_buffer): Just output each token as we hit it.
893 (process_directive): Don't call cpp_output_tokens.
894 (_cpp_glue_header_name): Don't use token_buffer.
895 (output_token, dump_param_spelling): Write directly to a FILE *.
897 * cpplib.c (pass_thru_directive, dump_macro_name,
898 pragma_dispatch, do_pragma_gcc): Delete.
899 (do_define, do_undef, parse_include, do_line, do_ident, do_pragma,
900 do_pragma_poison, cpp_pop_buffer): Call the appropriate hook
902 (do_error, do_warning, pragma_dependency): Call
903 _cpp_begin_message, then cpp_output_list.
904 (cpp_register_pragma, cpp_register_pragma_space,
905 _cpp_init_internal_pragmas): New.
906 (do_pragma): Walk the pragmas table here.
907 (do_pragma_once, do_pragma_poison, do_pragma_system_header,
908 do_pragma_dependency): Return void.
909 (do_pragma_implementation): Moved to cppmain.c.
911 * cpplib.h: Update prototypes.
912 (struct cpp_reader): Remove printer, token_buffer,
913 token_buffer_size, and limit. Add struct cb, and pragmas.
914 (struct cpp_printer): Remove last_id and written.
915 (CPP_WRITTEN, CPP_PWRITTEN, CPP_SET_WRITTEN,
916 CPP_ADJUST_WRITTEN): Delete.
917 * cpphash.h: Update prototypes.
918 (ufputs): New wrapper.
920 * cppmain.c (cb_define, cb_undef, cb_include, cb_ident,
921 cb_enter_file, cb_leave_file, cb_def_pragma): New functions.
922 (main): Set up callbacks. Register #pragma implementation.
923 Dump macros from here.
925 2000-08-01 Geoff Keating <geoffk@cygnus.com>
927 * rtl.h (enum reg_note): Add REG_MAYBE_DEAD.
928 * rtl.c (reg_note_name): Add REG_MAYBE_DEAD.
929 * flow.c (propagate_one_insn): Allow deletion of prologue/epilogue
930 insns if they have a REG_MAYBE_DEAD note attached.
931 * config/rs6000/rs6000.c (rs6000_maybe_dead): New function.
932 (rs6000_emit_load_toc_table): TOC loads may go dead.
934 2000-08-01 Jim Wilson <wilson@cygnus.com>
936 * config/ia64/ia64.c (ia64_function_arg): Fix last change. Verify
937 type exists before using it. Use number of words as alignment
939 (ia64_function_arg_partial_nregs, ia64_function_arg_advance,
940 ia64_va_arg): Propagate ia64_function_args changes here.
942 2000-08-01 Richard Henderson <rth@cygnus.com>
944 * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Care for null DECL.
945 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
947 2000-08-01 Bernd Schmidt <bernds@cygnus.co.uk>
950 * sh.h (CPP_SPEC, TARGET_SWITCHES): Add m4-nofpu.
951 * sh.md (udivsi3, divsi3): Don't use libcalls that use the FPU
952 unless TARGET_SH3E is set.
953 * t-sh (MULTILIB_MATCHES): Add m2=m4-nofpu.
955 * sh.md (ashlsi3_d, ashlsi3_k): Remove, replace with
956 (ashlsi3_std): New pattern.
957 (ashlsi3 expander): Use it for TARGET_SH3.
958 * sh.c (gen_ashift): Use it instead of ashlsi3_k.
960 Tue Aug 1 12:34:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
962 * loop.c (canonicalize_condition): Use destination, not source to
963 determine SET's mode.
965 2000-07-31 Mark Mitchell <mark@codesourcery.com>
967 * flow.c (clear_log_links): Fix typo.
969 Mon Jul 31 22:19:24 2000 Jeffrey A Law (law@cygnus.com)
971 * loop.c (check_dbra_loop): Make change from July 17, 2000 work
972 on targets which need more than one insn for a compare/cbranch
975 2000-07-31 Jim Wilson <wilson@cygnus.com>
977 * config/ia64/ia64.c (ia64_function_arg): Use alignment not size
978 when computing offset.
980 Mon Jul 31 20:35:50 2000 Denis Chertykov <denisc@overta.ru>
982 * genpeep.c (main): Handle DEFINE_PEEPHOLE2.
984 2000-07-31 Geoff Keating <geoffk@cygnus.com>
986 * flow.c (clear_log_links): Nuke global_live_at_start and
987 global_live_at_end data, since if the log_links stuff is invalid
988 so is global_live_at_*.
990 2000-07-31 Richard Henderson <rth@cygnus.com>
992 * tm.texi (Addressing Modes): Clarify PRE/POST_MODIFY descriptions.
994 2000-07-31 Jakub Jelinek <jakub@redhat.com>
996 * cpplex.c (_cpp_get_line): If index is 0, return line 0 col 0.
997 (_cpp_get_token): Don't macro expand a just pasted token if it
998 was pasted at no_expand_level.
1000 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
1002 * cppmacro.c (find_param, count_params, save_expansion):
1003 Permit 'defined' as a macro parameter name.
1005 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
1007 * Makefile.in: Rename cpp to cpp0, tradcpp to tradcpp0, and
1008 xcpp to cpp throughout.
1009 (native): Remove unnecessary dependency on cpp.
1011 * gcc.c (trad_capable_cpp, C specs): Rename cpp to cpp,
1012 tradcpp to tradcpp0.
1013 (.i spec): Add missing output-file spec to cc1 command line.
1014 * objc/lang-specs.h: Rename cpp to cpp0 and/or tradcpp to tradcpp0.
1016 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
1018 * c-decl.c (mesg_implicit_function_declaration): Init to -1.
1019 (implicit_decl_warning): New function.
1020 (implicitly_declare): Use it.
1021 * c-typeck.c (build_external_ref): Use implicit_decl_warning
1022 to complain about implicit decls of builtins.
1024 * c-lang.c (lang_init): Set mesg_implicit_function_declaration
1025 based on pedantic && flag_isoc99, if not already set.
1026 * c-tree.h: Declare mesg_implicit_function_declaration.
1027 Prototype implicit_decl_warning.
1029 2000-07-30 Jeffrey D. Oldham <oldham@codesourcery.com>
1031 * Makefile.in (ssa.o): Updated header files in dependences.
1032 * basic-block.h: Added compute_immediate_postdominators declaration.
1033 * config/i386/i386.h (CONVERT_HARD_REGISTER_TO_SSA_P): Added
1035 * flow.c (compute_immediate_dominators): Updated comment.
1036 (compute_immediate_postdominators): Added definition.
1037 * rtl.h (HARD_REGISTER_P): Added definition.
1038 * ssa.c: Include additional header files.
1039 (assert): Added definition.
1040 (ssa_rename_to_lookup): Added to reimplement ssa_rename_to to
1041 include select hard registers.
1042 (ssa_rename_to_insert): Likewise.
1043 (ssa_rename_from_initialize): Likewise.
1044 (ssa_rename_from_lookup): Likewise.
1045 (original_register): Likewise.
1046 (ssa_rename_from_insert): Added to reimplement ssa_rename_from to
1047 include select hard reigsters.
1048 (ssa_rename_from_traverse): Likewise.
1049 (ssa_rename_from_free): Likewise.
1050 (ssa_rename_from_print): Likewise.
1051 (ssa_rename_from_print_1): Likewise.
1052 (ssa_rename_from_hash_function): Likewise.
1053 (ssa_rename_from_equal): Likewise.
1054 (ssa_rename_from_delete): Likewise.
1055 (simplify_to_immediate_dominators): Removed in favor of
1056 flow.c:compute_immediate_dominators.
1057 (find_evaluations_1): Modified to work with hard registers.
1058 (insert_phi_node): Likewise.
1059 (insert_phi_nodes): Likewise.
1060 (struct rename_set_data): Updated prev_reg comment.
1061 (create_delayed_rename): Modified to work with hard registers.
1062 (RENAME_NO_RTX): Updated comment.
1063 (apply_delayed_renames): Modified to work with hard registers.
1064 (rename_insn_1): Likewise and added handling of CLOBBER rtls.
1065 (rename_block): Updated to use revised ssa_rename_to interface.
1066 (rename_registers): Updated to use revised ssa_rename_to and
1067 ssa_rename_from interface.
1068 (convert_to_ssa): Revised to use compute_immediate_dominators and
1069 deal with hard registers.
1070 (make_regs_equivalent_over_bad_edges): Modified to work with hard
1071 registers. Added check for illegal unification of hard register.
1072 (make_equivalent_phi_alternatives_equivalent): Modified to work
1073 with hard registers.
1074 (compute_conservative_reg_partition): Likewise.
1075 (coalesce_if_unconflicting): Modified to work with hard registers
1076 and check for conflicting hard registers.
1077 (mark_phi_and_copy_regs): Revised loop to work only on pseudo
1079 (rename_equivalent_regs_in_insn): Modified to work with hard
1081 (record_canonical_element_1): Added definition.
1082 (check_hard_regs_in_partition): Added definition.
1083 (convert_from_ssa): Added data structure deallocation and check
1084 for illegal hard register unification.
1085 (conflict_hard_regs_p): Added definition.
1086 * toplev.c (rest_of_compilation): Added comment.
1088 2000-07-31 Anthony Green <green@redhat.com>
1090 * config/ia64/crtbegin.asm (__EH_FRAME_BEGIN__): Align correctly.
1092 2000-07-31 Jason McMullan <jmcmullan@linuxcare.com>
1094 * builtins.c (expand_builtin_apply): Don't defer pop during
1097 2000-07-31 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1099 * calls.c (combine_pending_stack_adjustment_and_call): Only use
1100 preferred_unit_stack_boundary when it is > 1.
1102 2000-07-31 Joseph S. Myers <jsm28@cam.ac.uk>
1104 * c-common.c (init_function_format_info): Add C99 format functions
1107 * c-decl.c (get_parm_info): Don't treat 'const void', 'volatile
1108 void' or 'register void' as being the special case of 'void' alone
1109 in a parameter list.
1111 * c-typeck.c (build_c_cast): Change -Wcast-qual pedwarn for
1112 discarding qualifiers into a plain warning.
1114 2000-07-31 Kazu Hirata <kazu@hxi.com>
1116 * combine.c: Fix formatting.
1118 * h8300.md: Fix formatting.
1120 * local-alloc.c: Fix formatting.
1122 * h8300.c (get_shift_alg): Remove the variable alg.
1123 (emit_a_shift): Rearrange code to improve readability.
1125 * h8300.md (movsi_h8300hs): Rearrange code to improve readability.
1127 * h8300.h (MODES_TIEABLE_P): Accept a combination of QImode and
1128 HImode on all architectures and a combination of HImode and SImode
1129 on H8/300H and H8/S.
1131 * h8300.c (split_adds_subs): Rearrange code for conciseness.
1133 Mon Jul 31 12:27:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
1135 * i386.md (addsi to lea splitter, ashlqi3_1_lea): Fix bugs
1138 Mon Jul 31 10:41:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
1140 * recog.c (extract_insn): Set operand_mode according to
1141 operand if match_operand is VOIDmode.
1143 Mon Jul 31 10:36:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
1145 * recog.c (validate_replace_rtx_1): Do not abort for (nil) expression.
1147 2000-07-31 Geoff Keating <geoffk@cygnus.com>
1149 * c-parse.in (extdefs): Call ggc_collect between external
1152 2000-07-30 Michael Hayes <mhayes@cygnus.com>
1153 Richard Henderson <rth@cygnus.com>
1155 * Makefile.in (OBJS): Add doloop.o.
1156 * doloop.c: New file.
1158 * final.c (insn_current_reference_address): Return 0 before final.
1159 * flags.h (flag_branch_on_count_reg): Fix typos in commentary.
1160 * jump.c (any_uncondjump_p): Likewise.
1161 * loop.c (indirect_jump_in_function): Make static.
1162 (strength_reduce): Call doloop_optimize.
1163 (insert_bct, instrument_loop_bct): Remove.
1164 * loop.h (doloop_optimize): Prototype.
1165 * recog.c (split_all_insns): Split all INSN_P.
1166 * toplev.c (flag_branch_on_count_reg): Default on.
1168 * config/c4x/c4x.c (c4x_optimization_options): Don't set
1169 flag_branch_on_count_reg.
1170 * config/i386/i386.c (override_options): Likewise.
1171 * config/rs6000/rs6000.c (optimization_options): Likewise.
1173 * config/i386/i386.md (decrement_and_branch_on_count): Remove.
1175 (dbra_ge): Remove, as well as all it's splitters.
1177 * config/rs6000/rs6000.md (decrement_and_branch_on_count): Remove.
1180 * config/ia64/ia64-protos.h (ar_lc_reg_operand): Declare.
1181 (ia64_register_move_cost): Declare.
1182 * config/ia64/ia64.c (ar_lc_reg_operand): New.
1183 (struct ia64_frame_info): Add ar_size.
1184 (ia64_compute_frame_size): Set it.
1185 (save_restore_insns): Save and restore ar.lc.
1186 (ia64_register_move_cost): New, moved from header file. Handle
1187 application registers.
1188 (REG_AR_PFS, REG_AR_EC): Remove. Replace with AR_*_REGNUM numbers.
1189 (emit_insn_group_barriers): Special case doloop_end_internal.
1190 (ia64_epilogue_uses): Mark ar.lc live at end.
1191 * config/ia64/ia64.h (AR_CCV_REGNUM, AR_LC_REGNUM): New registers.
1192 (AR_EC_REGNUM, AR_PFS_REGNUM): New registers.
1193 (FIRST_PSEUDO_REGISTER): Make room.
1194 (AR_M_REGNO_P, AR_I_REGNO_P, AR_REGNO_P): New.
1195 (FIXED_REGISTERS, CALL_USED_REGISTERS): Update.
1196 (REG_ALLOC_ORDER): Update.
1197 (HARD_REGNO_MODE_OK): Update.
1198 (REGISTER_NAMES): Update.
1199 (enum reg_class): Add AR_M_REGS and AR_I_REGS.
1200 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
1201 (REGNO_REG_CLASS): Update.
1202 (LEGITIMATE_ADDRESS_DISP): Displacement range is 9 bits, not 10.
1203 (REGISTER_MOVE_COST): Move out of line.
1204 (PREDICATE_CODES): Update.
1205 * config/ia64/ia64.md (movdi patterns): Handle ar register classes.
1206 (addsi3_plus1_alt, adddi3_plus1_alt): New.
1207 (shladd_elim splitter): Allow constants in the predicate.
1208 (doloop_end, doloop_end_internal): New.
1210 2000-07-30 Richard Henderson <rth@cygnus.com>
1212 * genattrtab.c (struct insn_def): Add lineno member.
1213 (struct insn_ent): Likewise.
1214 (struct attr_desc): Likewise.
1215 (struct delay_desc): Likewise.
1216 (struct function_unit_op): Likewise.
1217 (struct function_unit): Likewise.
1218 (check_attr_value): Use message_with_line.
1219 (check_defs): Likewise.
1220 (expand_units): Likewise.
1221 (check_attr_test): Take a lineno argument.
1222 (gen_attr): Likewise.
1223 (gen_insn): Likewise.
1224 (gen_delay): Likewise.
1225 (gen_unit): Likewise.
1226 (main): Give it to them.
1227 (convert_set_attr_alternative): Take an insn_def argument
1228 instead of num_alt and insn_index.
1229 (convert_set_attr): Likewise.
1230 (write_test_expr): Protect INSN_ADDRESSES load
1231 with INSN_ADDRESSES_SET_P.
1233 2000-07-30 Richard Henderson <rth@cygnus.com>
1235 * flow.c (init_propagate_block_info): Use pc_set.
1237 Sun Jul 30 20:58:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
1239 * i386.md (*lea_general_[123]) New insns and splits.
1240 (addsi3 to lea splitter): Handle other modes too.
1241 (shlsi3 to lea splitter): Likewise.
1242 (addhi_1_lea, shlhi_1_lea): New patterns.
1243 (addhi_1, shlhi_1): Conditionize by PARTIAL_REG_STALL.
1245 Sun Jul 30 20:51:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
1247 * recog.c (general_operand, nonimmediate_operand): Accept
1248 any mode for VOIDmode CONSTANT_P operands.
1250 Sun Jul 30 20:42:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
1252 * gcse.c (try_replace_reg): Use validate_replace_rtx_subexp
1253 instead of replace_rtx.
1254 * recog.c (validate_replace_rtx_subexp): New function.
1255 * recog.h (validate_replace_rtx_subexp): Declare.
1257 Sun Jul 30 20:38:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
1259 * combine.c (simplify_set, make_extraction, make_compound_operation
1260 make_field_assignment): Use full mask instead of GET_MODE_MASK (mode)
1261 as force_to_mode argument.
1263 Sun Jul 30 20:30:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
1265 * combine.c (if_then_else_cond): Be sure that mode fits in
1268 Sun Jul 30 20:27:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
1270 * combine.c (record_promoted_value): Allow bitsize of mode
1271 to be equivalent to HOST_BITS_PER_WISE_INT.
1273 Sun Jul 30 20:25:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
1275 * function.c (assign_stack_local_1, assign_stack_temp_for_type):
1276 Do not call gen_mode_alignment when mode is BLKmode.
1278 Sun Jul 30 20:21:54 MET DST 2000 Jan Hubicka <jh@suse.cz>
1280 * loop.c (express_from_1): Fix call of simplify_gen_binary.
1282 Sun Jul 30 20:08:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
1284 * simplify-rtx.c (simplify_relational_operation): Verify that mode ==
1285 VOIDmode implies both operands to be VOIDmode.
1286 (simplify_ternary_operation): Compute properly the mode of comparison.
1287 * combine.c (combine_simplify_rtx): Likewise.
1289 2000-07-25 Michael Hayes <mph@paradise.net.nz>
1291 * basic-block.h (struct loops): New field rc_order.
1292 * flow.c (flow_loops_cfg_dump): Dump rc_order if computed.
1293 (flow_loops_free): Free rc_order.
1294 (flow_depth_first_order_compute): New parameter rc_order.
1295 (flow_loops_find): Allocate rc_order and swap usage with
1298 2000-07-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1299 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1301 * config/c4x/c4x.md (set_ldp_prologue): Add for RTL prologue/epilogue.
1302 (push_st, push_dp, pop_st, pop_dp, popqi_unspec): Likewise.
1303 (nodb_call, return_from_epilogue): Likewise.
1304 (return_from_interrupt_epilogue, prologue, epilogue): Likewise.
1305 * config/c4x/c4x.c (c4x_expand_prologue, c4x_expand_eplilogue): Add.
1306 * config/c4x/c4x-protos.h (c4x_interrupt_function_p): Add.
1307 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
1308 (c4x_valid_type_attribute_p): Likewise.
1309 * config/c4x/c4x.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Delete.
1310 (FUNCTION_BLOCK_PROFILER_EXIT): Convert to emit RTL.
1312 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1314 * config/c4x/c4x.c (c4x_emit_move_sequence): Use loadqi_big_constant
1315 and loadhi_big_constant if applicable.
1316 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant): Tweak
1317 and add new splitter.s
1319 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1321 * config/c4x/c4x.c (c4x_rptb_insert): Make more robust.
1323 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1325 * config/c4x/c4x.h (ASM_FORMAT_PRIVATE_NAME): Output $ in label.
1327 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1329 * config/c4x/c4x.h (IS_XXX_REGNO): Rewrite to avoid unsigned warnings.
1331 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1333 * config/c4x/libgcc.S (divqf3): Improve accuracy.
1335 2000-07-27 Mark Mitchell <mark@codesourcery.com>
1337 Put phi nodes after NOTE_INSN_BASIC_BLOCK.
1338 * rtl.h (NOTE_INSN_BASIC_BLOCK_P): New macro.
1339 * bb-reorder.c (get_next_bb_note): Use NOTE_INSN_BASIC_BLOCK_P.
1340 (get_prev_bb_note): Likewise.
1341 (remove_scope_notes): Likewise.
1342 * flow.c (commit_one_edge_insertion): Likewise.
1343 (merge_blocks_nomove): Likewise.
1344 (verify_flow_info): Likewise.
1345 * gcse.c (insert_insn_end_bb): Likewise.
1346 * reg-stack.c (emit_swap_insn): Likewise.
1347 * ssa.c (first_insn_after_basic_block_note): New function.
1348 (insert_phi_node): Use it.
1349 (rename_block): Likewise.
1350 (eliminate_phi): Likewise.
1351 (make_regs_equivalent_over_bad_edges): Likewise.
1352 (make_equivalent_phi_alternatives_equivalent): Likewise.
1353 (for_each_successor_phi): Likewise.
1354 (convert_from_ssa): Modify phi-node deletion algorithm.
1356 2000-07-29 Andreas Jaeger <aj@suse.de>
1358 * configure.in (mips*-*-linux*): Use mips*el to check for little
1359 endian MIPS, add tmake_file.
1361 * config/mips/linux.h (TARGET_VERSION): Use GNU/Linux.
1362 (SUBTARGET_CPP_SPEC): Default MIPS_ISA is 1.
1363 Patches by Maciej W. Rozycki <macro@ds2.pg.gda.pl>.
1365 2000-07-28 Richard Henderson <rth@cygnus.com>
1367 * config/ia64/ia64.c (ia64_print_operand): Fix typos.
1368 Sign extend mode size before negating.
1370 2000-07-28 Richard Henderson <rth@cygnus.com>
1372 * emit-rtl.c (gen_lowpart_common): Add missing 'c' variable.
1374 2000-07-28 Bernd Schmidt <bernds@cygnus.co.uk>
1376 * cse.c (canon_hash): Handle PRE_MODIFY/POST_MODIFY.
1377 (cse_insn): Likewise.
1378 (addr_affects_sp_p): Likewise.
1379 * expr.c (move_by_pieces): Likewise.
1380 (clear_by_pieces): Likewise.
1381 * gcse.c (oprs_unchanged_p): Likewise.
1382 * haifa-sched.c (sched_analyze_2): Likewise.
1383 * recog.c (offsettable_address_p): Likewise.
1384 * regclass.c (record_address_regs): Likewise.
1385 * reload.c (find_reusable_reload): Likewise.
1386 (push_reload): Likewise.
1387 (operands_match_p): Likewise.
1388 (decompose): Likewise.
1389 (find_reloads_address_1): Likewise.
1390 (find_inc_amount): Likewise.
1391 * reload1.c (elimination_effects): Likewise.
1392 * resource.c (mark_set_resources): Likewise.
1393 * flow.c (attempt_auto_inc): New function; mostly broken out
1395 (find_auto_inc): Split into two functions and enhanced to
1396 generate POST_MODIFY.
1397 * rtl.def (PRE_MODIFY, POST_MODIFY): Adjust comment.
1398 * rtl.h (count_all_occurrences): Declare.
1399 (HAVE_{PRE,POST}_MODIFY_{DISP,REG}): Provide default of 0 if not
1401 * rtlanal.c (count_all_occurrences): New function.
1402 * tm.texi (HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_DISP,
1403 HAVE_POST_MODIFY_REG, HAVE_PRE_MODIFY_REG): Document.
1405 * config/ia64/ia64-protos.h (destination_operand): Declare.
1406 * config/ia64/ia64.c (destination_operand): New function.
1407 (ia64_print_operand): Handle POST_MODIFY.
1408 (rtx_needs_barrier): Likewise.
1409 * config/ia64/ia64.h (HAVE_POST_MODIFY_DISP): Define to 1.
1410 (HAVE_POST_MODIFY_REG): Define to 1.
1411 (MAX_REGS_PER_ADDRESS): Change to 2.
1412 (GO_IF_LEGITIMATE_ADDRESS): Accept POST_MODIFY too.
1413 (LEGITIMATE_ADDRESS_REG): New helper macro.
1414 (LEGITIMATE_ADDRESS_DISP): Likewise.
1415 (PREDICATE_CODES): Add entry for destination_operand.
1416 * config/ia64/ia64.md (all mov patterns): Use destination_operand
1417 predicate for operand 0.
1419 2000-07-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1421 * dwarf2out.c: Indent #error directive.
1423 * gbl-ctors.h: Fix typo in comment.
1424 (__do_global_ctors): Prototype.
1426 * gcse.c (record_one_set, pre_delete): Remove unused variables.
1428 * rs6000.c (rs6000_maybe_dead): Delete unused prototype.
1429 (print_operand): Initialize variable `t'.
1431 2000-07-27 Aldy Hernandez <aldyh@redhat.com>
1433 * config/arm/arm.md ("call_value"): removed constraints.
1434 Constraints are ignored in expanders.
1435 (*call_value_reg): split =rf into various constraints.
1436 (*call_value_mem): same
1437 (*call_value_symbol): same
1438 (*sibcall_value_insn): same
1440 2000-07-28 Philipp Thomas <pthomas@suse.de>
1442 * install.texi (--enable-nls): Change the description of the NLS
1443 related configure options to match the current state.
1444 (--with-included-gettext): Likewise.
1445 (--enable-maintainer-mode): New description added.
1446 * extend.texi (-fstrict-prototype): Add missing '.'.
1448 2000-07-27 Jim Wilson <wilson@cygnus.com>
1450 * dwarf2out.c (gen_decl_die): Don't call gen_abstract_function if
1451 DECL_INITIAL (decl) == NULL_TREE.
1453 2000-07-27 Alexandre Oliva <aoliva@redhat.com>
1455 * Makefile.in (INSN_ATTR_H): New macro. Replace all dependencies
1456 on insn-attr.h with it.
1457 * genattr.c: Generate `#include "insn-addr.h"' if HAVE_ATTR_length.
1458 * insn-addr.h: New header.
1459 (insn_addresses_): Renamed from insn_addresses.
1460 (INSN_ADDRESSES_DEFN, INSN_ADDRESSES, INSN_ADDRESSES_ALLOC,
1461 INSN_ADDRESSES_FREE, INSN_ADDRESSES_SET_P, INSN_ADDRESSES_SIZE,
1462 INSN_ADDRESSES_NEW): New macros.
1463 * genattrtab.c (write_test_expr): Use new macros.
1464 * final.c (insn_addresses, init_insn_lengths): Likewise.
1465 (align_fuzz, shorten_branches): Likewise.
1466 (final): Likewise. Do not reject new insns if their addresses
1467 have been added to INSN_ADDRESSES.
1468 * config/arm/arm.c, config/avr/avr.c: Use new macros.
1469 * config/h8300/h8300.c, config/i370/i370.c: Likewise.
1470 * config/m88k/m88k.c, config/pa/pa.c, config/pa/pa.md: Likewise.
1471 * config/sparc/sparc.c, config/sparc/sparc.md: Likewise.
1472 * config/sh/sh.c: Likewise.
1473 (output_branchy_insn): Use INSN_ADDRESSES_NEW.
1475 * Makefile.in (bootstrap): Move -BstageN/ back to the beginning.
1477 2000-07-27 Andrew Cagney <cagney@b1.cygnus.com>
1479 * gcc.c (struct prefix_list): Add member priority.
1480 (enum path_prefix_priority): Declare.
1481 (add_prefix): Replace ``first'' with ``priority''. Append new
1482 entry but keep list in priority order.
1483 (process_command): Update. Pass PREFIX_PRIORITY_B_OPT or
1484 PREFIX_PRIORITY_LAST to add_prefix.
1485 (process_command): Move include kludge - foo/stageN - to before
1488 2000-07-27 Jason Merrill <jason@redhat.com>
1490 * dwarf2out.c (gen_typedef_die): Abort if we get identical
1491 TREE_TYPE and DECL_ORIGINAL_TYPE on a typedef.
1493 2000-07-27 RodneyBrown <RodneyBrown@pmsc.com>
1495 * expr.h (get_alias_set, lang_get_alias_set): Delete prototypes.
1496 * tree.h (get_alias_set, lang_get_alias_set): Prototype.
1498 2000-07-27 Joseph S. Myers <jsm28@cam.ac.uk>
1500 * c-decl.c (finish_function): Don't treat 'main' specially unless
1501 flag_hosted. In C99 mode, return 0 from 'main' unless
1502 DEFAULT_MAIN_RETURN is otherwise defined.
1504 * c-decl.c (store_parm_decls): In C99 mode, pedwarn for function
1505 parameters defaulting to int in an old-style function definition.
1507 2000-07-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1509 * c-parse.in (string): For -Wtraditional, warn about string
1510 concatenation only once per line.
1512 Thu Jul 27 09:25:17 2000 Akiko Matsushita <matusita@sra.co.jp>
1514 * pa/x-pa-hpux: Add -D_HIUX_SOURCE to FIXPROTO_DEFINES
1515 for HI-UX/WE2 systems.
1517 2000-07-24 Bruce Korb <bkorb@gnu.org>
1519 * fixincl/fixfixes.c(emit_gnu_type): rewrote to *rely* on GCC
1520 defining the __xxx_TYPE__ macros.
1521 * fixincl/fixincl.tpl(gnu_type_map): now obsolete
1522 * fixincl/fixlib.h: don't need to include "tm.h" anymore
1523 * fixincl/inclhack.def(type_map): now obsolete
1525 Thu Jul 27 11:54:17 2000 Andrew Cagney <cagney@b1.cygnus.com>
1527 * cpp.texi: Append a trailing full-stop to xrefs where needed.
1529 2000-07-26 Dave Pitts <dpitts@cozx.com>
1531 * i370.c: Remove LONGEXTERNAL ifdef from alias_number. Added hash
1533 (mvs_hash_alias): New function.
1534 (mvs_add_alias): Change argument spacing.
1535 (mvs_need_alias): Change aliasing criteria. Added documentation.
1536 (mvs_get_alias): Change to use hashed name. The hashed name prevents
1537 CSECT name collisions.
1538 (mvs_check_alias): Likewise.
1539 (handle_pragma): Change documentation.
1540 * i370.md (mulsi3, divsi3, udivsi3, modsi3, umodsi3): Changed gen_rtx
1541 mode from SImode to DImode.
1542 (iorhi3): Changed LTORG size for insn.
1544 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
1546 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
1547 mem if the address is a mode_dependent_address_p.
1549 2000-07-26 Kazu Hirata <kazu@hxi.com>
1551 * h8300.c (print_operand): Print ":8" when the 'R' operand is
1552 suitable for 8-bit absolute.
1553 * h8300.h (EIGHTBIT_CONSTANT_ADDRESS_P): New.
1554 (OK_FOR_U): Add a case for the 8-bit constant address on the
1557 Wed Jul 26 19:26:21 2000 Hans-Peter Nilsson <hp@axis.com>
1559 * varasm.c (assemble_variable) [! defined(ASM_OUTPUT_ALIGNED_COMMON)
1560 && ! defined (ASM_OUTPUT_ALIGNED_BSS]): Also test
1561 ! defined(ASM_OUTPUT_ALIGNED_DECL_COMMON) before complaining about
1562 lack of implemented alignment.
1564 2000-07-26 Geoffrey Keating <geoffk@cygnus.com>
1566 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETIC]: Handle
1567 cross-compiling between 64-bit and 32-bit machines.
1569 2000-07-27 Richard Henderson <rth@cygnus.com>
1571 * config/ia64/ia64.md (movqicc_astep, movqi_internal_astep): New.
1572 (movhicc_astep, movhi_internal_astep): New.
1573 (movsicc_astep, movsi_internal_astep): New.
1574 (movdicc_astep, movdi_internal_astep): New.
1575 (movsfcc_astep, movsf_internal_astep): New.
1576 (movdfcc_astep, movdf_internal_astep): New.
1577 (movxfcc_astep, movxf_internal_astep): New.
1578 (cmovdi_internal_astep, cmovsi_internal_astep): New.
1579 Unify the cmov[ds]i splitters.
1581 2000-07-27 Rodney Brown <RodneyBrown@pmsc.com>
1583 * real.c (asctoeg): Rename `error' label to unexpected_char_error
1585 2000-07-26 Nick Clifton <nickc@cygnus.com>
1587 * config/arm/vxarm.h (CPP_PREDEFINES): Remove definition of
1588 __arm__. Allow it to be defined by CPP_ISA_SPEC in arm.h
1590 * dwarf2out.c (dwarf2out_frame_debug_expr): Accept SEQUENCE as
1591 well as PARALLEL blocks in FRAME_RELATED_EXPR notes.
1593 2000-07-26 Alexandre Oliva <aoliva@redhat.com>
1595 * c-decl.c (finish_enum): Convert enumerations that fit in an
1597 (build_enumerator): In pedantic mode, cast to `int' those that
1600 2000-07-25 Rodney Brown <RodneyBrown@pmsc.com>
1602 * config/alpha/osf.h (SIZE_TYPE, PTRDIFF_TYPE): New.
1604 Tue Jul 25 23:08:33 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1606 * sh.md (cmpgtdi_t): Must be split.
1607 (cmpgtdi_t+1): New splitter.
1609 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
1611 * cpplib.c (_cpp_check_directive): Issue -Wtraditional
1612 warnings for indented directives even if we are skipping.
1614 2000-07-25 Nathan Sidwell <nathan@codesourcery.com>
1616 * invoke.texi (strict-prototypes): Remove.
1617 * extend.texi (Deprecated Features): Add strict-prototypes.
1618 (Backwards Compatibility): New node.
1620 2000-07-25 Jakub Jelinek <jakub@redhat.com>
1622 * config/i386/i386.md (andsi_1+1): Allow HImode.
1623 (andsi_1+2): Require q_regs_operand.
1625 2000-07-25 Jakub Jelinek <jakub@redhat.com>
1627 * config/i386/i386.md (call_pop): Check operands[0],
1628 not operands[1]. Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
1630 (call_value_pop): Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
1631 (call_value): Likewise.
1633 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
1635 * toplev.c (pipe_closed): Delete.
1636 (crash_signal): New. Generate ICE for a fatal signal.
1637 (float_signal): Call crash_signal outside a float-handler
1639 (main): Install crash_signal as handler for core-dumping signals.
1641 2000-07-25 David Edelsohn <edelsohn@gnu.org>
1643 * rs6000.c (print_operand, case 'T'): New case.
1645 * rs6000.md (call_indirect_aix32): Convert to expander of
1646 scheduled instructions.
1647 (call_indirect_aix64): Likewise.
1648 (call_value_indirect_aix{32,64}): Likewise.
1649 (call, call_value): Invoke expanders for AIX. Fall through to
1651 (call_indirect_nonlocal_aix{32,64}): New patterns (ctr and lr).
1652 (call_value_indirect_nonlocal_aix{32,64}): New patterns.
1653 (call_nonlocal_aix32): Remove CALL_LONG alternative. Operand 1
1654 only "g" constraint.
1655 (call_nonlocal_aix64): Likewise.
1656 (call_value_nonlocal_aix{32,64}): Likewise.
1657 (call_nonlocal_sysv): New pattern for ctr, lr, and symbolic
1659 (call_value_nonlocal_sysv): New pattern.
1660 (indirect_jump{si,di}): Use new 'T' modifier.
1661 (tablejump{si,di} matchers): Likewise.
1662 (return_internal_{si,di}): Likewise.
1663 (return_eh_{si,di}): Likewise.
1665 2000-07-24 Richard Henderson <rth@cygnus.com>
1667 * config/ia64/ia64.c (ia64_print_operand): Handle "%,".
1668 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): Likewise.
1669 * config/ia64/ia64.md (movdi_internal): Use it.
1671 2000-07-24 Zack Weinberg <zack@wolery.cumb.org>
1673 * cppexp.c: Warn about unary + if -Wtraditional.
1674 * cpplex.c (lex_line): Always set BOL on the first token of a line.
1676 2000-07-24 Michael Meissner <meissner@redhat.com>
1678 * d30v.h (FUNCTION_ARG_KEEP_AS_REFERENCE): Delete references to
1681 2000-07-24 Nick Clifton <nickc@cygnus.com>
1683 * config/arm/arm.c (emit_multi_reg_push): Generate a
1684 REG_FRAME_RELEATED_NOTE that is compatable with the code in
1685 dwarf2out_debug_frame_expr.
1687 2000-07-24 Jason Merrill <jason@redhat.com>
1689 * dwarf2out.c: Complain if DWARF2_DEBUGGING_INFO is defined without
1690 UNALIGNED_INT_ASM_OP.
1691 (def_cfa_1): Don't emit def_cfa_register or def_cfa_offset to adjust
1692 a location expression.
1693 (dwarf2out_frame_debug_expr): Lose cfa_old_reg stuff. Don't
1694 assume indirect access if we're saving the CFA address exactly.
1696 * Makefile.in (bootstrap): Move -BstageN/ to the end.
1698 2000-07-24 Jakub Jelinek <jakub@redhat.com>
1700 * tradcpp.c (main): Update max_include_len for cpp_include_defaults
1703 2000-07-24 Michael Meissner <meissner@redhat.com>
1705 * invoke.texi (D30V Options): Add d30v options.
1707 Mon Jul 24 02:04:52 2000 Jeffrey A Law (law@cygnus.com)
1709 * gcse.c (alloc_pre_mem): Do not alloc TRANSPOUT, it is not
1710 needed by our gcse pass anymore.
1711 (free_pre_mem): Corresponding changes.
1712 (compute_pre_data): Do not call compute_transpout anymore.
1714 * gcse.c (alloc_avail_expr_mem): Kill unused 'u_bitmap'.
1715 (free_avail_expr_mem, alloc_pre_mem, free_pre_mem): Corresponding
1718 * gcse.c (free_pre_mem): Do not free ANTLOC and AE_KILL here.
1719 (compute_pre_data): Do it here instead.
1721 * gcse.c (alloc_pre_mem, free_pre_mem): Delete unused bitmap
1723 (pre_delete): Corresponding changes.
1725 2000-07-23 Mark Mitchell <mark@codesourcery.com>
1727 * c-semantics.c (make_rtl_for_local_static): Use TREE_ASM_WRITTEN
1728 to figure out whether or not a variable has already been emitted.
1730 Sun Jul 23 14:49:12 2000 Jason Eckhardt <jle@cygnus.com>
1732 * config/i860/i860.md (untyped_call expander): Use GEN_CALL
1733 instead of gen_call.
1735 Sun Jul 23 11:52:03 2000 George Helffrich (george@gly.bris.ac.uk)
1737 * dbxout.c (dbxout_type, case COMPLEX_TYPE): Fix length field in stab.
1739 2000-07-23 Kazu Hirata <kazu@hxi.com>
1741 * h8300.c: Fix formatting.
1743 2000-07-23 Joseph S. Myers <jsm28@cam.ac.uk>
1745 * c-typeck.c (c_expand_start_case): Change -Wtraditional pedwarn
1746 for `long' switch expression into a plain warning.
1748 * c-lex.c (init_lex): Keep the "inline" keyword in C99 mode.
1749 (yylex): Don't pedwarn for "inline" in C99 mode.
1751 * bitmap.c (debug_bitmap_file): Cast pointers to PTR for printing
1753 * ggc-page.c (debug_print_page_list, alloc_page, free_page,
1754 ggc_alloc): Likewise.
1755 * bb-reorder.c (dump_scope_forest_1): Likewise.
1757 2000-07-22 Aldy Hernandez <aldyh@redhat.com>
1759 * reload.c (find_reloads_toplev): Add new parameter
1761 (find_reloads): Add new parameter to find_reloads_toplev calls.
1763 2000-07-22 Jeffrey Oldham <oldham@codesourcery.com>
1765 * collect2.c (main): Typo fixed.
1766 * diagnostic.c: Typo fixed.
1767 * dwarf2out.c (dwarf2out_frame_debug_expr): Typo fixed.
1768 * eh-common.h: Typo fixed.
1769 * emit-rtl.c (start_sequence): Typo fixed.
1770 * flow.c (find_label_refs): Typo fixed.
1771 (calculate_global_regs_live): Typo fixed.
1772 (mark_regno_cond_dead): Typo fixed.
1773 (create_edge_list): Typos fixed.
1774 (verify_edge_list): Typo fixed.
1775 * ggc-common.c (ggc_mark_rtx_children): Typo fixed.
1776 * loop.c (strength_reduce): Typo in function name fixed.
1777 * rtl.h: Added comments. Typo in function name fixed.
1778 * rtlanal.c: Typo in function name fixed.
1779 (insn_dependant_p): Rename to ...
1780 (insn_dependent_p): ... this.
1781 (computed_jumo_p): Typo fixed.
1783 2000-07-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1785 * system.h (__FUNCTION__): Wrap definition in #ifndef.
1787 2000-07-21 David Edelsohn <edelsohn@gnu.org>
1789 * rs6000.h (SIZE_TYPE): Define.
1791 2000-07-21 Mark Mitchell <mark@codesourcery.com>
1793 * ssa.c (rename_insn_1): Don't rename registers that are
1796 2000-07-21 Zack Weinberg <zack@wolery.cumb.org>
1798 * diagnostic.c (trim_filename, fancy_abort): Moved here from
1800 (fatal_function, set_fatal_function): Removed.
1801 (fatal): Don't prepare for or call the fatal_function.
1802 (diagnostic_lock, error_recursion): New.
1803 (diagnostic_for_decl, report_diagnostic): Guard against
1804 re-entering the error reporting routines.
1805 (fancy_abort): Assume function is not NULL.
1807 * errors.c (fancy_abort): New. Assume function is not NULL.
1808 * tradcpp.c (fancy_abort): Assume function is not NULL.
1810 * system.h: Provide default definition of __FUNCTION__.
1811 * rtl.h: Use __FUNCTION__ not __PRETTY_FUNCTION__ throughout.
1812 Always use __FUNCTION__ in definition of abort.
1814 * varray.h: Likewise.
1815 * toplev.h: Likewise. Don't prototype set_fatal_function.
1817 2000-07-20 Geoff Keating <geoffk@cygnus.com>
1819 * config/rs6000/aix43.h (CPP_SPEC): Define __LONG_MAX__ correctly
1821 * glimits.h: Don't do #if defined for ARCH_PPC.
1823 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): All
1824 constants of size no larger than a pointer should go in the TOC.
1825 Add 'MODE' parameter.
1826 (LEGITIMIZE_RELOAD_ADDRESS): Add MODE parameter to
1827 ASM_OUTPUT_SPECIAL_POOL_ENTRY_P.
1828 (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Likewise.
1829 * config/rs6000/aix.h (SELECT_RTX_SECTION): Likewise.
1830 * config/rs6000/netware.h (SELECT_RTX_SECTION): Likewise.
1831 * config/rs6000/rs6000.c (constant_pool_expr_1): Likewise.
1832 (rs6000_legitimize_address): Likewise.
1833 (rs6000_emit_move): Likewise.
1834 (rs6000_select_rtx_section): Likewise.
1835 (output_toc): Deal properly with outputting small constants like
1836 HImode, and SFmode in 32-bit mode, and DFmode in 64-bit mode.
1837 * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Add
1838 MODE parameter. Put small constants in the TOC.
1840 * config/rs6000/rs6000.c (easy_fp_constant_p): All constants are
1842 (rs6000_emit_move): When reload calls us with an illegitimate
1843 address, exit early. Move the change_address calls to one place
1844 at the end of the routine. Merge the SImode and DImode expanders.
1845 When called by reload to put an integer into a FP register, force
1848 * config/rs6000/rs6000.c (struct toc_hash_struct): Add 'key_mode'
1850 (rs6000_hash_constant): Hash mode too.
1851 (toc_hash_function): Allow for key_mode.
1852 (toc_hash_eq): Structures are different if key_mode differs.
1853 (output_toc): Add 'mode' parameter. Save key_mode.
1854 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY):
1855 Pass 'mode' parameter.
1856 * config/rs6000/rs6000-protos.h (output_toc): Add 'mode' param.
1858 * config/rs6000/rs6000.c (output_toc): Use RS6000_OUTPUT_BASENAME
1859 for vtable references.
1861 * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): If we have a
1862 choice, don't put integer values in FP regs.
1864 Thu Jul 20 18:13:52 2000 Jeffrey A Law (law@cygnus.com)
1866 * flow.c (verify_flow_info): Revamp code to verify that the
1867 head and end of each basic block are in the insn chain.
1869 Thu Jul 20 18:02:35 2000 Michael Matz <matzmich@cs.tu-berlin.de>
1871 * gcse.c (record_one_set): Prepend instead of append onto
1872 reg_set_table, making it O(n) instead O(n^2).
1873 * lcm.c (compute_antinout_edge,compute_laterin,compute_available):
1874 Use a queue instead of a stack as worklist.
1876 2000-07-20 Kazu Hirata <kazu@hxi.com>
1878 * h8300.c (two_insn_adds_subs_operand): Fix a typo.
1879 * h8300.h (OK_FOR_T): New.
1880 (EXTRA_CONSTRAINT): Support OK_FOR_T.
1881 * h8300.md: Use inc/dec.[wl] for increment/decrement
1882 by 1 and 2 in HI and SI modes.
1884 2000-07-20 Jim Wilson <wilson@cygnus.com>
1886 * config/ia64/ia64.h (ASM_OUTPUT_MI_THUNK): Handle DELTA values
1887 larger than 14 bits.
1889 2000-07-20 Zack Weinberg <zack@wolery.cumb.org>
1891 * cppmacro.c (CAN_PASTE_AFTER): New macro.
1892 (count_params): Don't set GNU_REST_ARGS on anything.
1893 (save_expansion): Set PASTE_LEFT only on tokens for which
1894 CAN_PASTE_AFTER is true, or which are named operators.
1896 * cpplex.c (parse_args): Distinguish between a rest argument
1897 given one empty argument, and a rest argument given zero arguments.
1898 (maybe_paste_with_next): Look for VOID_REST tag, and trigger
1899 deletion of previous token based on that.
1900 (get_raw_token): Flatten some control structure.
1902 * cpplib.h (CPP_LAST_EQ): Correct.
1903 (VOID_REST): New token flag.
1904 (GNU_REST_ARGS): Delete.
1906 * tradcpp.c (main): Don't munge -D options.
1907 (make_definition): Bring -D handling in line with cpplib.
1908 (do_define): Strip all leading whitespace from macro definitions.
1910 2000-07-20 David Billinghurst <David.Billinghurst@riotinto.com.au>
1912 * Makefile.in (tradcpp): Depend on intl.o and version.o.
1914 2000-07-20 Bruce Korb <bkorb@gnu.org>
1916 * fixincl/check.tpl: strip the platform specific types before testing
1917 * fixincl/fixfixes.c(gnu_type_fix): use platform specific types
1918 * fixincl/fixincl.tpl: use platform specific types
1919 * fixincl/fixlib.h: include the platform specific types
1920 * fixincl/inclhack.def(gnu_types): don't supply the types
1921 * fixincl/fixincl.x: regen
1923 2000-07-19 Jim Wilson <wilson@cygnus.com>
1925 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): Don't allow XFmode in
1928 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
1930 * tradcpp.c (rescan): Do not recognize directives when the #
1933 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
1935 Implement C++ named operators.
1937 * cpplib.h (TTYPE_TABLE): Move CPP_MIN and CPP_MAX into block
1938 of operators allowed in #if and having an _EQ variant. Add
1939 CPP_MIN_EQ, CPP_MAX_EQ, and CPP_DEFINED.
1940 (cpp_token flags): Add NAMED_OP.
1941 (enum node_type): Add T_OPERATOR.
1942 (struct cpp_hashnode): Add code slot to value union.
1943 * cpphash.h (spec_nodes): Remove n_defined.
1945 * cpplex.c (lex_line): Convert T_OPERATOR nodes to their proper types.
1946 (spell_token, can_paste, maybe_paste_with_next): Handle named operators.
1947 (is_macro_disabled): Tweak error messages.
1949 * cpplib.c (get_define_node): Disallow all named operators as
1950 macro names. Tweak error messages.
1951 (_cpp_init_stacks): Don't set up spec_nodes->n_defined.
1953 * cppinit.c (builtin_array): Add entries for the named operators.
1954 * cppexp.c (lex): Check for CPP_DEFINED token.
1955 (priority table): Add entries for CPP_MIN and CPP_MAX.
1956 (_cpp_parse_expr): Handle CPP_MIN and CPP_MAX.
1958 2000-07-19 Bernd Schmidt <bernds@cygnus.co.uk>
1960 * gcse.c (INSN_CUID): If ENABLE_CHECKING, abort if the uid is
1961 larger than the array of cuids.
1962 (alloc_gcse_mem): Use uid_cuid rather than INSN_CUID when computing
1965 2000-07-19 Bruce Korb <bkorb@gnu.org>
1967 * fixinc/fixincl.c: Convert to using a table of environment variables
1968 and activate the auto-edit marker on the fixed output files.
1969 * fixinc/fixlib.h: Define the environment table
1970 * fixinc/fixincl.sh: export the ${INPUT} dir
1971 * fixinc/check.tpl: likewise
1973 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
1975 * gcc.c (.h spec): Fix typo.
1977 Wed Jul 19 01:22:15 CEST 2000 Marc Espie <espie@cvs.openbsd.org>
1979 * Makefile.in: Fix tradcif.c path.
1981 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
1983 * cpplib.h (TTYPE_TABLE): Rearrange to use only two per-entry
1986 * cpphash.h (TOKEN_NAME): New macro.
1987 (_cpp_spell_operator): Deleted.
1988 (token_spellings): Now _cpp_token_spellings.
1990 * cppexp.c: Use TOKEN_NAME or TYPE_NAME, not _cpp_spell_operator.
1991 * cpplex.c: Use OP and TK macros when expanding the
1992 TTYPE_TABLE. Eliminate token_names. For non-OPERATOR tokens,
1993 store the stringification of the enumeration name (CPP_CHAR,
1994 etc.) in the name slot of token_spellings.
1995 Use TOKEN_NAME and/or TOKEN_SPELL, do not reference
1996 token_spellings directly.
1997 * cpplib.c: Use TOKEN_SPELL.
1999 * cpplex.c (_cpp_push_token): If the token being pushed back
2000 is the previous token in this context, just subtract one from
2002 * cppmacro.c (save_expansion): Clear aux field when storing a
2005 2000-07-18 Jakub Jelinek <jakub@redhat.com>
2007 * cpplex.c (cpp_scan_buffer): Output line command even at the stop
2008 buffer, provided it is not NULL.
2010 2000-07-18 Alexandre Oliva <aoliva@redhat.com>
2012 * c-decl.c (duplicate_decls): Do not call make_var_volatile() in
2013 case of invalid volatile re-declaration.
2015 2000-07-18 Jakub Jelinek <jakub@redhat.com>
2017 * calls.c (store_arg): Return non-zero if sibcall_failure is desired.
2018 (expand_call): Adjust caller.
2020 2000-07-17 Gabriel Dos Reis <gdr@codesourcery.com>
2022 * diagnostic.h (report_diagnostic): Change prototype.
2024 * diagnostic.c (output_do_verbatim, diagnostic_for_asm,
2025 diagnostic_for_decl): Change prototype.
2026 (error_with_decl, warning_with_decl, pedwarn_with_decl, warning,
2027 error, warning, error_with_file_and_line,
2028 warning_with_file_and_line, pedwarn_with_file_and_line, fatal):
2029 Adjust call to report_diagnostic, diagnostic_for_decl.
2030 (error_for_asm, warning_for_asm): Adjust call to diagnostic_for_asm.
2031 (output_verbatim, verbatim): Adjust call to output_do_verbatim.
2033 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic. End
2034 varaible argument list.
2036 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
2038 * cpphash.c: Don't include hashtab.h. Most macro-handling code
2039 moved to cppmacro.c.
2040 (hash_HASHNODE, eq_HASHNODE, _cpp_dump_macro_hash,
2041 dump_hash_helper): Delete.
2042 (expand_hash, higher_prime_number, _cpp_lookup_with_hash,
2043 cpp_forall_identifiers): New. Implement specialized version of
2044 Vlad's expandable hash table.
2045 (cpp_lookup): Use new functions.
2046 (_cpp_init_macros, _cpp_cleanup_macros): Adjust for new
2048 * cppmacro.c: New file.
2049 * cppinit.c (dump_macros_helper): New.
2050 (cpp_finish): Iterate over the identifier table directly.
2051 * cpplex.c (parse_name): Calculate the hash of the identifier
2052 while we scan it. Use _cpp_lookup_with_hash when we can.
2054 * cpphash.h: Update prototypes.
2055 (xcnewvec, HASHSTEP): New helper macros.
2056 * cpplib.h: Update prototypes.
2057 * Makefile.in (LIBCPP_OBJS): Add cppmacro.o.
2058 (cppmacro.o): New rule.
2059 (cpphash.o): Update deps.
2061 * cppmain.c: Do not set pfile->printer if no_output is on.
2063 2000-07-15 Neil Booth <neilb@earthling.net>
2065 * cpplib.c: Change all directive-handler functions to return
2067 * cpphash.h: Update typedefs.
2069 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
2071 * configure: Regenerate.
2073 * extend.texi (Extended Asm): Mention that a memory clobber
2074 does not count as a side-effect.
2076 * unroll.c (copy_loop_body): Fix one instance of using host
2077 arithmetic on the target; fixes loop-4 on a 32-bit -> 64-bit
2080 * tlink.c (scan_linker_output): Tweak for output of AIX ld.
2082 2000-07-17 Richard Henderson <rth@cygnus.com>
2084 * config/ia64/ia64.md (movdi): Split out load address code.
2085 New post-reload splitter for symbolic operands.
2086 (movdi_internal): Abort if we didn't split symbolic operands
2087 when we should have.
2088 * config/ia64/ia64.c (ia64_expand_load_address): New, from movdi bits.
2089 (ia64_reorg): Split insns when not optimizing.
2090 * config/ia64/ia64-protos.h (ia64_expand_load_address): Declare.
2092 Mon Jul 17 23:43:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
2094 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Use LONG_DOUBLE_TYPE_SIZE
2095 instead of MAX_LONG_DOUBLE_TYPE_SIZE to decide output format.
2097 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
2099 * loop.c (check_dbra_loop) : Changed loop_continue to loop->cont.
2101 2000-07-17 Jason Merrill <jason@redhat.com>
2103 * Makefile.in (clean): Remove libgcc directory.
2105 * configure.in (-Wno-long-long check): Use higher-level macros.
2107 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
2109 * simplify-rtx.c (simplify_binary_operation): Recognize
2110 (compare (gt[u] (cc) 0) (lt[u] (cc) 0)).
2111 (simplify_ternary_operation): Do not examine MODE_BITSIZE of
2112 a CONST_INT, it will always be zero.
2114 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
2116 * loop.c (check_dbra_loop) : Return if more than one condition is
2117 present to control the loop.
2119 Mon Jul 17 08:26:35 2000 Clinton Popetz <cpopetz@cygnus.com>
2121 * mips.c (mips_expand_prologue): Don't calculate the last argument
2122 register unless we need it. When we are calculating this, make
2123 sure FUNCTION_ARG is giving us a REG.
2125 2000-07-17 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2127 * flow.c (libcall_dead_p): Use single_set to verify the insn
2128 has only one set and get for analysis.
2129 (propagate_one_insn): Don't pass the PATTERN of the insn.
2131 2000-07-17 Mark Klein <mklein@dis.com>
2133 * pa.c (emit_hpdiv_const): Update to match new pattern for udivsi3.
2135 2000-07-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2137 * Makefile.in (TARGET_GETGROUPS_T): New configuration variable.
2138 * configure.in (TARGET_GETGROUPS_T): Evaluate.
2139 * sys-protos.h (getgroups): Use TARGET_GETGROUPS_T for array type
2140 of second argument of getgroups.
2141 * configure, config.in: Rebuilt.
2143 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
2145 * simplify-rtx.c (simplify_relational_operation): Two signed
2146 values with equal high words are less/greater than each other if
2147 their low words are less/greater when considered as unsigned.
2149 Mon Jul 17 02:37:06 2000 Marc Espie <espie@openbsd.org>
2151 * configure.in (vax-*-openbsd): Change to new style configuration,
2152 add collect2/float_format information.
2153 * configure: Rebuilt.
2154 * config/vax/openbsd1.h: New.
2155 * config/vax/openbsd.h: New.
2156 * config/vax/t-openbsd: New.
2158 2000-07-17 Chip Salzenberg <chip@valinux.com>
2160 * c-common.c (shorten_compare): Quiet warnings about unsigned
2161 comparisons with zero when they occur in a system header.
2163 2000-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
2165 * invoke.texi (-pedantic): Refer to ISO C instead of ANSI C, and
2166 update to describe current practice.
2168 * glimits.h (LLONG_MIN, LLONG_MAX, ULLONG_MAX): Define for C99.
2170 * contrib.texi, cpp.texi, extend.texi, invoke.texi: Update
2171 references to C9X. Change references to -fstd and -flang-isoc9x
2174 * c-common.c (scan_char_table): Allow "z" length modifiers on
2176 (check_format_info): Use TYPE_DOMAIN on the type matched against
2177 for "z" formats, to retrieve the language size_t rather than the
2180 * c-common.c (check_format_info): Do not make a pedantic objection
2181 to the 'L' length modifier if used with a floating point type
2184 * c-lex.c (yylex): Don't pedwarn for hexadecimal floating point
2185 constants in C99 mode.
2187 2000-07-17 Kazu Hirata <kazu@hxi.com>
2189 * h8300.md: Fix the format of mac.
2190 (movsi_h8300hs): Output a tab after stmac instead of a space.
2192 * h8300.c (two_insn_adds_subs_operand): Improve code for detecting
2193 profitable adds/subs sequences.
2195 * fold-const.c: Fix comment typos.
2197 2000-07-16 Laurynas Biveinis <lauras@softhome.net>
2199 * cppfiles.c (read_name_map): Set map_list_ptr->map_list_map to NULL.
2201 2000-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2203 * fixinc/fixfixes.c (emit_gnu_type): Avoid string concatenation.
2205 2000-07-16 Neil Booth <NeilB@earthling.net>
2207 * cpplex.c: Update comments.
2208 * README.Portability: Small update.
2210 2000-07-16 Neil Booth <NeilB@earthling.net>
2212 * README.Portability: Small update.
2214 2000-07-15 Richard Henderson <rth@cygnus.com>
2216 * config/ia64/ia64-protos.h (ia64_move_ok): Prototype.
2217 * config/ia64/ia64.c (ia64_move_ok): New function.
2218 * config/ia64/ia64.md (movqi, movqi_internal): Use it.
2219 (movhi, movsi, movdi, movsf, movdf, movxf): Likewise.
2221 2000-07-15 Zack Weinberg <zack@wolery.cumb.org>
2223 * cpphash.c (save_expansion): Clear PREV_WHITE on tokens
2224 immediately following a paste operator.
2225 * cppinit.c (sort_options): New function (only for HOST_EBCDIC).
2226 (cpp_reader_init): Call it, if HOST_EBCDIC.
2227 (cpp_handle_options): Do not sort option list here.
2228 (handle_option): Rename to cpp_handle_option and export.
2229 * cpplex.c (cpp_scan_buffer_nooutput, cpp_scan_buffer): Use
2230 _cpp_get_token directly.
2231 (cpp_scan_line): Return 0 at EOF, 1 otherwise.
2232 * cpplib.c (cpp_push_buffer): Don't set new->lineno to 1.
2233 * cpplib.h: Prototype cpp_handle_option. Update prototype of
2236 2000-07-15 Richard Henderson <rth@cygnus.com>
2238 * fold-const.c (extract_muldiv): Don't optimize past an unsigned
2239 cast around an expression. Tidy other unsigned tests.
2241 2000-07-15 Gabriel Dos Reis <gdr@codesourcery.com>
2243 * diagnostic.c (doing_line_wrapping, line_wrapper_printf, notice,
2244 v_error_with_decl, v_warning_with_decl, v_pedwarn_with_decl): Remove.
2245 (v_message_with_decl): Rename to ...
2246 (format_with_decl): ... this. Tweak
2247 (diagnostic_for_decl): New function.
2248 (fatal_io_error): Use verbatim in lieu of notice.
2249 (announce_function): Use verbatim.
2250 (default_print_error_function): Likewise.
2251 (error_with_decl, warning_with_decl, pedwarn_with_decl): Use new
2254 2000-07-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2256 * mips.c (function_arg_pass_by_reference): Don't do automatic
2257 aggregate initialization.
2258 (machine_dependent_reorg): Initialize variable `mode'.
2260 * mips.md (absdi2): Change variable `regno1' to unsigned int.
2261 (reload_indi): Rename loword/hiword to lo_word/hi_word to avoid
2262 conflicts with sys/param.h macro of the same name.
2263 (reload_outdi): Likewise.
2265 2000-07-15 Michael Meissner <meissner@redhat.com>
2267 * fold-const.c (fold): When optimizing FOO++ == CONST into ++FOO
2268 == CONST + INCREMENT, don't overwrite the tree node for FOO++,
2269 create a new node instead.
2271 2000-07-15 Neil Booth <NeilB@earthling.net>
2273 * README.Portability: Correct example about calling a function
2274 through a pointer to function. Format wide paragraphs.
2276 2000-07-15 Michael Meissner <meissner@redhat.com>
2278 * README.Portability: Update integer suffixes and function
2281 2000-07-15 Neil Booth <NeilB@earthling.net>
2283 * README.Portability: Small update.
2285 2000-07-15 Neil Booth <NeilB@earthling.net>
2287 * README.Portability: New file.
2289 Fri Jul 14 18:13:53 2000 Mark P Mitchell <mark@codesourcery.com>
2291 * INSTALL: Give special instructions for building GCC on Irix 6.
2292 * config/mips/x-iris6 (CC): Don't set it.
2295 2000-07-14 Jason Merrill <jason@redhat.com>
2297 * dwarf2out.c (dwarf2out_frame_debug_expr): If we store the CFA
2298 register in the stack and later in another register, use the new
2301 Fri Jul 14 10:25:53 2000 Clinton Popetz <cpopetz@cygnus.com>
2303 * config/mips/mips.md: (absdi2): Handle sign_extend for
2306 2000-07-14 Nathan Sidwell <nathan@codesourcery.com>
2308 * cpplib.c (do_pragma_dependency): Tidy warning messages.
2310 2000-07-14 Zack Weinberg <zack@wolery.cumb.org>
2312 * .cvsignore: Correct typo.
2314 2000-07-13 Mark Mitchell <mark@codesourcery.com>
2316 * .cvsignore: Add generated YACC files.
2317 * objc/.cvsignore: New file.
2319 2000-07-14 Neil Booth <NeilB@earthling.net>
2321 * cpplex.c (adjust_column): New funcion.
2322 (skip_whitespace): Use it.
2323 (skip_block_comment): Use it, and warn about /*/* with
2326 2000-07-14 Neil Booth <NeilB@earthling.net>
2328 * cpphash.c (struct macro_info): Add new members.
2329 (_cpp_free_definition): Delete the macro directly.
2330 (count_params): Return void, with first token of
2331 expansion in struct macro_info on success.
2332 (parse_define): Return int. Hoist syntax checking from
2333 save_macro_expansion. Leave call to save_expansion to
2334 _cpp_create_definition.
2335 (alloc_macro): Needs just 2 arguments.
2336 (free_macro): Delete.
2337 (save_expansion): Don't perform syntax check.
2338 (_cpp_create_definition): Call save_expansion.
2340 2000-07-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2342 * genrecog.c (write_header): Split long string.
2344 * cpphash.c (macro_info): Don't use the `signed' keyword.
2346 * system.h (alloca): Prototype if __GNUC__ && __SIZE_TYPE__.
2348 2000-07-13 Jakub Jelinek <jakub@redhat.com>
2350 * calls.c (stored_args_map): New variable.
2351 (check_sibcall_argument_overlap_1): New.
2352 (check_sibcall_argument_overlap): New.
2353 (expand_call): Initialize stored_args_map.
2354 Call check_sibcall_argument_overlap.
2356 2000-07-13 Bruce Korb <bkorb@gnu.org>
2358 * fixinc/fixfixes.c: move EXIT_BROKEN to header, add sub-expr max count
2359 (emit_gnu_type): utility procedure for gnu_type_fix
2360 (gnu_type_fix): implement various pre-processor guards around
2361 standard types so these types can be defined over and over
2362 * fixinc/fixincl.tpl: add a "gnu_type_map" that forces the standard
2363 types alluded to above will have GNU-compliant base types
2364 * fixinc/fixlib.h: add EXIT_BROKEN define and the gnu_type_map struct
2365 * fixinc/inclhack.def: add test_text entries and utilize the new
2366 "gnu_types" fix for the ptrdiff_t, size_t and wchar_t types.
2367 * fixinc/fixincl.x: regenerate
2369 2000-07-12 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
2371 * diagnostic.c (vline_wrapper_message_with_location,
2372 v_message_with_file_and_line, v_error_with_file_and_file,
2373 v_error_for_asm, v_warning_for_asm, vfatal,
2374 v_warning_with_file_and_line, v_pedwarn_with_file_and_line,
2375 vsorry, verror, vwarning, vpedwarn): Remove.
2376 (diagnostic_for_asm): New function.
2377 (pedwarn, error, warning, pedwarn_with_file_and_line,
2378 error_with_file_and_line, warning_with_file_and_line, sorry,
2379 error_for_asm, warning_for_asm, fatal): Reimplement.
2380 (finish_diagnostic): Clear diagnostic info as well.
2382 2000-07-13 Neil Booth <NeilB@earthling.net>
2384 * c-common.h (flag_digraphs): New.
2385 * c-decl.c (c_decode_option): Set flag_digraphs as appropriate.
2386 * c-lex.c (yylex): Use flag_digraphs to decide whether to
2389 2000-07-13 Zack Weinberg <zack@wolery.cumb.org>
2391 * gcc.c (do_spec_1): Add new %B operator.
2392 (set_input): Prepare for %B.
2394 (link_command_spec): Move up with the other tm.h-
2395 overrideable specs. Factor out the portion conditional on
2396 LINK_LIBGCC_SPECIAL into a new spec, %(link_libgcc).
2397 (struct compiler): Just have a single spec string. All users
2399 (default_compilers): Remove unnecessary braces.
2400 (static_specs): Update.
2402 (trad_capable_cpp, cpp_options, cc1_options, asm_options): New
2404 (C and assembly specs): Use the new named specs, as appropriate.
2406 * objc/lang-specs.h: Use the new named specs.
2407 Remove unnecessary braces.
2409 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
2411 * gcc.c (execute): If a subprocess gets a fatal signal, report
2412 strsignal() of the signal number, and ask for a bug report.
2413 Do not do this for SIGPIPE if there's already been an error.
2415 * tradcpp.c: Don't include signal.h. Don't catch SIGPIPE.
2418 * tradcif.c: Remove.
2420 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
2422 * final.c (profile_function): Do not emit profile counters in
2423 the data section, if NO_PROFILE_COUNTERS is defined.
2424 * tm.texi: Document NO_PROFILE_COUNTERS. Update doc for
2427 * config/i386/linux.h (NO_PROFILE_COUNTERS): Define.
2428 (FUNCTION_PROFILER): Just emit a call to mcount.
2430 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
2432 * tradcpp.c (main): Rename 'perror' label to 'sys_error'.
2434 * cppexp.c, cpphash.c, cpphash.h, cppinit.c, cpplex.c,
2435 cpplib.c, cpplib.h: Eradicate all traces of code dependent on
2436 traditional, lang_chill, or lang_fortran.
2438 * cppfiles.c: #undef strcmp to suppress warning about macros
2439 used without arguments.
2440 (_cpp_execute_include): Use f, not fname, in "No include path"
2442 (_cpp_pop_file_buffer): New function.
2443 * cpplib.c: Don't include <sys/mman.h>.
2444 (cpp_push_buffer): Set line_base and lineno in new buffer.
2445 (cpp_pop_buffer): Use _cpp_pop_file_buffer.
2447 * cpplex.c: Move all prototypes and structure declarations to the
2448 top of the file. Properly parenthesise some macro arguments.
2449 (cpp_scan_line): New function.
2450 (special_symbol [case T_INCLUDE_DEPTH]): Use pfile->include_depth,
2451 don't need to walk up the stack counting.
2453 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2455 * c-common.c (combine_strings): Emit a pedantic warning when a
2456 string length is greater than the minimum ANSI C is required
2459 Wed Jul 12 13:24:30 2000 Jeffrey A Law (law@cygnus.com)
2461 * pa/xm-pa64.h (NO_SYS_SIGLIST): Kill.
2462 * d30v/xm-d30v.h (NO_SYS_SIGLIST): Kill.
2464 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2466 * c-decl.c (define_label): Warn about identifier conflicts with
2467 labels in traditional C.
2469 * c-parse.in (unop +): Warn about the unary plus operator for
2472 * c-typeck.c (store_init_value): Warn about automatic aggregate
2473 initialization for traditional C.
2475 * invoke.texi (-Wtraditional): Document new warnings.
2477 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
2479 * Makefile.in (c-errors.o): Fix thinko in dependency.
2481 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
2483 * gcc.c (C specs [!USE_CPPLIB]): Invoke tradcpp if any of
2484 -traditional, -ftraditional, or -traditional-cpp was given.
2485 Do not pass -traditional to the preprocessor.
2486 (.S spec): Likewise. Don't bother defining __ASSEMBLER__, the
2487 preprocessor does it automatically.
2488 * objc/lang-specs.h: Likewise. Don't bother defining __OBJC__.
2490 * ch/lang-specs.h: Always use tradcpp. Do not pass
2491 -traditional, -trigraphs, or -pedantic to the preprocessor.
2492 * f/lang-specs.h (.F spec): Likewise. Don't bother defining
2495 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
2497 * cppexp.c (LOGICAL): Delete macro.
2498 (_cpp_parse_expr): Do not use UNARY for unary +. Implement ||
2501 * cpphash.c (HASHSIZE): Increase to 4096.
2502 (struct hashdummy): Add hash field.
2503 (eq_HASHNODE): Compare unreduced hashes, then lengths, then
2504 the string values using memcmp.
2505 (cpp_lookup): Set dummy.hash.
2507 Wed Jul 12 13:15:16 2000 Marc Espie <espie@openbsd.org>
2509 * configure.in (m88k-openbsd): Express configuration using new fragment
2511 * configure: Rebuilt.
2512 * m88k/aout-dbx.h: New.
2513 * m88k/openbsd.h: New.
2514 * m88k/xm-openbsd.h: New.
2516 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2518 * expr.c (expand_expr): Return const0_rtx, not error_mark_node.
2520 2000-07-12 Richard Henderson <rth@cygnus.com>
2522 * reload.c (push_secondary_reload): Make sure to add the new
2523 reload at the end, after acquiring secondary memory.
2525 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2527 * cpplex.c (is_macro_disabled): Use CPP_WTRADITIONAL.
2529 * c-decl.c (set_current_function_name_declared, anon_aggr_type_p,
2530 lang_expand_stmt): Mark parameters with ATTRIBUTE_UNUSED.
2532 * c-parse.in (stmt): Delete unused variables.
2534 * convert.c (convert_to_vector): Likewise.
2536 * gensupport.c (process_rtx): Declare attr as `rtvec' not `rtx'.
2538 * tree.c (finish_vector_type): Prototype.
2540 2000-07-12 Bruce Korb <bkorb@gnu.org>
2542 * fixinc/fixfixes.c: use xmalloc
2543 * fixinc/fixincl.c(initialize): set program name for xmalloc
2544 * fixinc/fixlib.c(must_malloc): obsolete
2545 (is_cxx_header): no longer used - disabled
2546 (skip_quote): inserted and disabled for future use
2547 * fixinc/fixlib.h: reflects above
2548 * fixinc/fixtests.c: removed dinkleberries
2550 2000-07-12 Neil Booth <NeilB@earthling.net>
2552 * cpphash.h: (TOKEN_SPELL) Pulled from cpplex.c.
2553 * cpplex.c (TOKEN_SPELL) Move to cpphash.h.
2555 * cpphash.c: (struct macro_info, alloc_macro, free_macro,
2556 struct toklist_dummy): New.
2557 (cpp_free_definition): Free macros with free_macro.
2558 (count_params): Don't save paramter spellings. Save macro
2559 information in a struct macro_info.
2560 (parse_define): Don't allocate a token list.
2561 (save_expansion): Allocate the macro's token list, and
2562 save parameter spellings if necessary. Use TOKEN_SPELL.
2563 (cpp_create_definition): Make list const.
2565 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
2567 * c-typeck.c (pedwarn_c99): Move to
2568 * c-errors.c: ... Here.
2569 * toplev.h (verror, vwarning, vpedwarn): Remove prototypes.
2570 * diagnostic.c (verror, vwarning, vpedwarn): Make static.
2571 * Makefile.in (C_AND_OBJC_OBJS): Include c-errors.o
2572 (c-errors.o): List dependency.
2574 2000-07-12 Mark Mitchell <mark@codesourcery.com>
2576 * c-parse.c: Remove.
2577 * c-parse.h: Likewise.
2578 * c-parse.y: Likewise.
2579 * objc/objc-parse.c: Likewise.
2580 * objc/objc-pasre.y: Likewise.
2582 2000-07-11 Rodney Brown <RodneyBrown@pmsc.com>
2584 * gcc.texi: Fix minor typos
2585 * extend.texi: Fix minor typos
2587 2000-07-11 Marc Espie <espie@openbsd.org>
2589 * collect2.c (main): Recognize .lo as object files.
2591 2000-07-11 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2593 * pa.c (hppa_encode_label): Store labels in gc memory when ggc_p is
2596 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Extend test to detect systems
2597 with MAP_ANONYMOUS and MAP_ANON.
2598 * configure, config.in: Rebuilt.
2600 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
2602 * diagnostic.c (save_output_state): Remove.
2603 (restore_output_state): Likewise.
2604 (clear_text_info): New function.
2605 (clear_diagnostic_info): Likewise.
2606 (output_text_length, is_starting_newline, output_prefix,
2607 line_wrap_cutoff, ideal_line_wrap_cutoff, prefix_was_emitted_for,
2608 prefixing_policy, output_buffer_ptr_to_format_args): New macros
2609 (set_real_maximum_length, output_set_maximum_length,
2610 output_set_prefix, output_get_prefix, output_set_maximum_length,
2611 output_destroy_prefix, init_output_buffer,
2612 reshape_diagnostic_buffer, output_space_left, output_emit_prefix,
2613 output_add_newline, output_add_character, output_add_space,
2614 output_append_r, output_append, wrap_text, output_format,
2615 output_do_printf, output_printf, output_do_verbatim,
2616 output_verbatim, verbatim): Use them.
2617 (output_clear): Split into cleat_text_info and
2618 clear_diagnostic_info.
2619 (struct output_state): Move to...
2621 * diagnostic.h: ...Here
2622 (struct output_buffer): Adjust.
2624 2000-07-11 Zack Weinberg <zack@wolery.cumb.org>
2626 * cpplex.c (parse_name): No longer inline (premature optimization).
2627 (do_pop_context): Fold into pop_context.
2628 (pop_context): Returns int.
2629 (lex_next): Hoist test for end of directive into pop_context.
2630 (push_macro_context): Returns int; takes just reader and token.
2631 Hoist test for excessive nesting to caller.
2632 (push_arg_context): Returns void; takes just reader and token.
2633 Do not call stringify_arg or get_raw_token.
2634 (get_raw_token): Convert tail recursion through push_arg_context
2635 to a loop at this level. Call stringify_arg here if appropriate.
2636 (maybe_paste_with_next): Convert tail recursion to a while loop.
2637 Hoist test of paste_level to caller.
2639 (stringify_arg): Push arg context at beginning.
2640 (cpp_get_token): Split out core into _cpp_get_token. Call
2641 process_directive here. Throw away CPP_PLACEMARKER tokens.
2642 (_cpp_get_token): Convert tail recursion through
2643 push_macro_context to a loop at this level.
2644 (_cpp_glue_header_name, is_macro_disabled, stringify_arg,
2645 _cpp_get_raw_token): Use _cpp_get_token.
2646 (_cpp_skip_rest_of_line): Drop the context stack directly; do
2647 not call pop_context.
2648 (_cpp_run_directive): Call lex_next directly.
2650 * cpphash.h: Prototype _cpp_get_token.
2651 * cppexp.c (lex): Use it.
2652 * cpphash.c (parse_define): Use it.
2653 * cpplib.c (get_define_node, do_undef, parse_include,
2654 read_line_number, do_line, do_ident, do_pragma, do_pragma_gcc,
2655 do_pragma_implementation, do_pragma_poison, do_pragma_dependency,
2656 parse_ifdef, validate_else): Use it.
2657 (cpp_push_buffer): Tweak error message; abort if anyone tries
2658 to push a buffer while macro expansions are stacked.
2660 2000-07-11 Donn Terry <donnte@microsoft.com>
2662 * cpplex.c (free_macro_args, save_token): Cast arg of free
2663 and/or xrealloc to PTR.
2664 (_cpp_init_input_buffer): Clear all fields of the base context.
2666 Tue Jul 11 15:28:21 CDT 2000 Clinton Popetz <cpopetz@cygnus.com>
2668 * gensupport.c (process_rtx): Make rtl checking stop
2669 complaining about the define_insn while it is being
2670 converted from a define_insn_and_split.
2672 Tue Jul 11 16:26:17 2000 Clinton Popetz <cpopetz@cygnus.com>
2674 * config/mips/mips.c (simple_memory_operand): Access the
2675 INTVAL of the address, not it's containing MEM.
2677 2000-07-11 Bruce Korb <bkorb@gnu.org>
2679 * fixinc/fixtests.c(double_slash): obsolete
2680 (else_endif_label): likewise
2681 * fixinc/inclhack.def(irix_multiline_cmnt): obsolete
2682 (libc1_ifdefd_memx): correct initial comment
2683 and omit the #if/#endif pair from the memxxx declarations
2684 * fixinc/fixincl.x: regen
2686 2000-07-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2688 * cpplex.c (T, I, S, C, N): Avoid non-constant initializers.
2690 2000-07-11 Neil Booth <NeilB@earthling.net>
2694 2000-07-11 Neil Booth <NeilB@earthling.net>
2696 * cppinit.c: (cpp_reader_init): Allow digraphs by default.
2697 (handle_option): Set digraphs according to standard.
2698 Merge OPT_lang_c89 handler with OPT_std_c89.
2700 * cpplex.c: (lex_line, can_paste): Honour digraphs in
2701 accordance with the digraphs flag.
2703 * cpplib.h: (struct cpp_options): New option digraphs.
2705 2000-07-10 Hans-Peter Nilsson <hp@axis.com>
2706 Bruce Korb <bkorb@gnu.org>
2708 * fixinc/inclhack.def (libc1_ifdefd_memx): New fix.
2709 * fixinc/fixincl.x: Regenerate.
2710 * fixinc/tests/base/testing.h: Add testcase.
2712 2000-07-10 Richard Henderson <rth@cygnus.com>
2714 * config/ia64/ia64.c (got_symbolic_operand): New.
2715 (symbolic_operand, move_operand): Revert 0701 change.
2716 * config/ia64/ia64.h (PREDICATE_CODES): Update.
2717 * config/ia64/ia64-protos.h (got_symbolic_operand): Declare.
2718 * config/ia64/ia64.md (movdi): Revert 0701 wrt symbolic_operand;
2719 split the offset into a 14-bit low part instead of a 13-bit low part.
2720 (load_fptr): Mark the mem as unchanging.
2721 (load_symptr): Use got_symbolic_operand.
2723 2000-07-10 Nick Clifton <nickc@cygnus.com>
2725 * libgcc2.c (next_stack_level): Cast result of computation to
2726 (void **) so that the assignment does not generate a warning.
2728 2000-07-10 Chandrakala Chavva <cchavva@redhat.com>
2730 * flags.h : Add new variable flag_single_precision_constant.
2731 * toplev.c (display_help) : Add -fsingle-precision-constant option.
2732 (flag_single_precision_constant): New.
2733 * c-lex.c (yylex): Convert floating point constant to single
2735 * invoke.texi : Add documentation for this new option.
2737 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
2739 * diagnostic.c (output_octal): Second parameter is unsigned.
2740 (output_long_octal): Likewise.
2741 (output_hexadecimal): Likewise.
2742 (output_long_hexadecimal): Likewise.
2743 (output_format): Adjust arguments extraction. Tweak.
2744 (output_verbatim, verbatim): End variable argument list.
2745 (report_diagnostic): Improve documentation.
2747 2000-07-10 Benjamin Chelf <chelf@codesourcery.com>
2749 * c-common.h (build_stmt): Declare.
2750 (build_continue_stmt): Likewise.
2751 (build_break_stmt): Likewise.
2752 (build_return_stmt): Likewise.
2754 * c-decl.c (do_case): Rewrite to do what previously done in
2757 * c-semantics.c (build_stmt): Define.
2758 (build_return_stmt): Likewise.
2759 (build_break_stmt): Likewise.
2760 (build_continue_stmt): Likewise.
2761 (build_case_label): Likewise.
2763 * c-parse.in (BREAK): Change to build tree, then generate RTL.
2764 (CONTINUE): Likewise.
2767 (DEFAULT): Likewise.
2769 * c-parse.y: Regenerate.
2770 * c-pasre.c: Likewise.
2772 2000-07-09 Jason Merrill <jason@redhat.com>
2774 * expr.c (expand_expr): Bail earlier if we get an error_mark_node.
2776 * tree.h (STRIP_NOPS): Check for error_mark_node.
2777 (STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Likewise.
2778 (dwarf2out_*): Remove duplicate declarations.
2780 * c-decl.c (duplicate_decls): Copy DECL_ABSTRACT_ORIGIN from
2781 DECL_ABSTRACT_ORIGIN, not DECL_ORIGIN.
2783 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
2785 * diagnostic.c (wrap_text): New function.
2786 (maybe_wrap_text): Likewise.
2787 (output_add_string): Use it.
2788 (output_format): Likewise.
2789 (count_error): Use verbatim instead of notice.
2790 (report_error_function): Likewise. Don't use plain fprintf.
2791 (finish_diagnostic): New function.
2792 (output_do_verbatim): Tweak. Commonalize functionalities in
2793 output_verbatim and verbatim.
2794 (output_verbatim): Adjust.
2795 (verbatim): Likewise.
2796 (report_diagnostic): Define.
2798 * diagnostic.h (report_diagnostic): Prototype.
2800 2000-07-09 Zack Weinberg <zack@wolery.cumb.org>
2802 * cppexp.c (_cpp_parse_expr): Don't use unary plus.
2804 2000-07-09 Neil Booth <NeilB@earthling.net>
2806 * cpphash.h: ISvspace, is_vspace, is_nvspace: New.
2807 IShspace, ISspace: Update.
2809 * cppinit.c: ISTABLE: Update.
2812 * cpplex.c (IS_HSPACE, S_NEWLINE): Remove.
2813 (IS_DIRECTIVE): Rename KNOWN_DIRECTIVE.
2814 (skip_block_comment, skip_line_comment, parse_string,
2815 lex_line): Use is_vspace rather than IS_NEWLINE.
2816 (skip_whitespace, lex_line): Clean up to use is_nvspace.
2817 (lex_line): Use KNOWN_DIRECTIVE. Any kind of directive
2819 (lex_next): Unconditionally stop if within a directive.
2820 Treat directives within macro invocations as directives
2821 (after parse_args emits error), not as the argument.
2823 2000-07-09 Gabriel Dos Reis <gdr@codesourcery.com>
2825 * diagnostic.c (diagnostic_args): New macro.
2826 (diagnostic_msg): Likewise.
2827 (output_formatted_integer): Likewise.
2828 (output_state): New data type.
2829 (digit_buffer): Make global.
2830 (output_add_integer): Rename to output_decimal. Squeeze
2832 (output_long_decimal, output_unsigned_decimal,
2833 output_long_unsigned_decimal, output_octal, output_long_octal,
2834 output_hexadecimal, output_long_hexadecimal): New functions.
2835 (output_append_r): New function.
2836 (output_append): Tweak.
2837 (output_flush_on): Rename to output_to_stream.
2838 (output_format): Change prototype. Improve documentation. Handle
2839 more format specifiers.
2840 (build_location_prefix): Rename to context_as_prefix.
2841 (output_notice): Rename to output_do_printf.
2842 (output_printf): Tweak.
2843 (line_wrapper_printf): Likewise.
2844 (vline_wrapper_message_with_location): Adjust call to renamed
2846 (v_message_with_decl): Likewise.
2847 (default_print_error_function): Likewise.
2848 (save_output_state): New function.
2849 (restore_output_state): Likewise.
2850 (output_do_verbatim): Likewise.
2851 (output_verbatim): Define.
2852 (verbatim): Likewise.
2854 * diagnostic.h (printer_fn): Change return type from void to int.
2855 Improve documentation.
2856 (output_add_integer): Rename to output_decimal.
2857 (output_flush_on, output_format): Don't export.
2858 (output_verbatim, verbatim): Declare.
2860 2000-07-08 Toon Moene <toon@moene.indiv.nluug.nl>
2862 * fold-const.c (extract_muldiv) case PLUS_EXPR, MINUS_EXPR:
2863 Check whether c divides op1 exactly if operation is not
2866 2000-07-08 Richard Henderson <rth@cygnus.com>
2868 * final.c (final): Do not abort when reg-stack introduces
2871 2000-07-08 Zack Weinberg <zack@wolery.cumb.org>
2873 * cpplib.h (struct cpp_name): Now struct cpp_string.
2874 (CPP_INT, CPP_FLOAT, CPP_NUMBER, CPP_COMMENT,
2875 CPP_HEADER_NAME): Change to type S.
2876 (struct cpp_token): Rename 'name' field to 'str'. Add 'node'
2877 field, a cpp_hashnode *. All references to val.name updated
2878 to use val.str or val.node as appropriate.
2879 (struct cpp_reader): Add spec_nodes field.
2880 (cpp_idcmp): Now cpp_ideq; takes a token * and a char *.
2882 * cpphash.h (struct spec_nodes): New.
2883 (enum spell_type): Reorder. Only SPELL_STRING tokens use
2884 val.str. All references to 'spelling > SPELL_NONE' updated to
2887 (CPP_IN_SYSTEM_HEADER): Check pfile->buffer and
2888 pfile->buffer->inc are not NULL before dereferencing them.
2890 * cpplex.c (parse_name): Take a pointer to the current token,
2891 plus current position and limit as args; return the new
2892 position; don't copy the text of a name into the string
2893 buffer, instead call cpp_lookup and store the node pointer.
2894 If extending a token, copy out the text of the old into a
2895 scratch buffer, append the new, look that up and store the new
2896 node pointer. Inline.
2897 (maybe_paste_with_next): If the result of paste is a NAME,
2898 then look up the pasted text and store its node pointer.
2899 (lex_line): Adjust for new parse_name interface.
2900 Check for L"str", L'str' using spec_nodes->n_L.
2901 (spell_token): SPELL_IDENT tokens have their spelling in
2902 val.node->name. Handle SPELL_STRING tokens that don't have
2904 (_cpp_expand_name_space,
2905 (can_paste): Check for L ## "str" using spec_nodes->n_L.
2906 (cpp_get_token, special_symbol): No need to call cpp_lookup.
2907 (cpp_idcmp): Now cpp_ideq; take a token * and a const char *;
2908 return 1=equal 0=not, not a tristate.
2910 * cpphash.c (var_args_str): Delete.
2911 (find_param): Compare node fields directly.
2912 (is__va_args__): Use CPP_PEDANTIC. Just compare
2913 token->val.node with spec_nodes->n__VA_ARGS__.
2914 (dump_funlike_macro): Don't use var_args_str.
2916 * cpplib.c (_cpp_check_directive): Just walk through
2917 spec_nodes->dirs comparing pointers.
2918 (get_define_node, do_pragma_poison, detect_if_not_defined,
2919 parse_ifdef): The identifier has already been looked up.
2920 (do_ifdef, do_ifndef): parse_ifdef won't return a poisoned
2922 (do_if): Only call detect_if_not_defined at beginning of file.
2923 (_cpp_parse_assertion): Only copy string pointers for
2924 SPELL_STRING tokens.
2925 (pragma_dispatch): Take a node pointer and examine its name
2927 (_cpp_init_stacks): Also initialize the spec_nodes structure.
2929 * cppinit.c (cpp_reader_init): Call _cpp_init_stacks after
2931 (cpp_cleanup): Free pfile->spec_nodes. Call _cpp_cleanup_* in
2932 reverse order from the corresponding _cpp_init_* routines.
2934 * cppexp.c (parse_number, parse_charconst, parse_defined,
2935 lex): Check val.node->type instead of calling cpp_defined.
2936 Use spec_nodes entries where appropriate.
2938 * fix-header.c, scan-decls.c: Update for interface changes.
2940 2000-07-08 Geoffrey Keating <geoffk@cygnus.com>
2942 * config/rs6000/rs6000.c (rs6000_emit_move): Fix conditions for
2943 emitting aux_truncdfsf2.
2945 2000-07-03 Donn Terry (donnte@microsoft.com)
2947 * cppinit.c (print_help): split overlong line into ISO C89
2950 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
2952 * cppexp.c: Update all code for new lexer interface.
2953 (op_t, operator codes, struct token, tokentab2, op_to_str): Remove.
2954 (struct suffix, vsuf_1, vsuf_2, vsuf_3, op_to_prio): New.
2955 * cpplex.c (token_names): Trim leading CPP_ from names; make
2956 the strings unsigned.
2957 (_cpp_spell_operator): New.
2958 (is_macro_disabled): Disable all macros if rescanning
2960 (_cpp_get_directive_token): Remove.
2962 * cppinit.c: Don't set no_macro_expand.
2963 * cpplib.c (read_line_number, do_line): Check only for EOF,
2965 * cpphash.h: Update prototypes.
2966 * cpplib.h (CPP_VSPACE): Remove.
2967 (struct cpp_reader): Remove no_macro_expand.
2969 2000-07-08 Neil Booth <NeilB@earthling.net>
2971 * cpphash.c (is__va_args__): New function.
2972 (count_params): Fix line reported in error messages. Use
2973 is__va_args__. Don't return ')' on error. Flag GNU style
2974 rest args macro definitions.
2975 (parse_define): Check macro name is not __VA_ARGS__.
2976 (save_expansion): Check identifier in non-varargs-macro is
2977 not __VA_ARGS__. Don't flag GNU_VARARGS.
2978 * cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS.
2979 (maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather
2980 than per-token GNU_VARARGS.
2981 * cpplib.h (GNU_VARARGS): Remove.
2982 (GNU_REST_ARGS): New.
2984 Sat Jul 8 01:38:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
2986 * i386.md (call_pop, call, call_value_pop): Do not set
2987 current_function_uses_pic_offset_table for calls to static
2988 functions or indirect calls.
2990 2000-07-07 Jim Wilson <wilson@cygnus.com>
2992 * config/ia64/ia64.c (rws_access_reg): New local write_count. If
2993 is_predicate_reg, then take max write_count of register pair.
2995 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2997 * tradcpp.c (main): Rename label `include' to `add_include' to
2998 avoid conflicts with variable `include' in traditional C.
3000 2000-07-07 Jakub Jelinek <jakub@redhat.com>
3002 * integrate.c (copy_insn_list): Remove REG_LABEL notes.
3004 2000-07-07 Jakub Jelinek <jakub@redhat.com>
3006 * sibcall.c (uses_addressof): Add INMEM argument, check for
3007 current_function_internal_arg_pointer outside of MEM rtxs in addition
3009 (sequence_uses_addressof): Update caller.
3011 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
3013 * tradcpp.c (initialize_builtins): Honor NO_BUILTIN_SIZE_TYPE
3016 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3018 * system.h (UNION_INIT_ZERO): New macro for initializing union
3021 * cpplex.c (placemarker_token, eof_token): Use UNION_INIT_ZERO.
3023 2000-07-07 Neil Booth <NeilB@earthling.net>
3027 Fri Jul 7 07:47:35 2000 Jeffrey A Law (law@cygnus.com)
3029 * final.c (final): Detect out of bounds array access to
3030 the insn_lengths array.
3032 2000-07-07 Kazu Hirata <kazu@hxi.com>
3034 * fold-const.c (fold): Fix a comment typo.
3036 2000-07-07 Neil Booth <NeilB@earthling.net>
3038 * cpp.texi: Update to new lexer.
3040 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
3042 * tradcpp.c: New file.
3043 * tradcif.y: New file.
3044 * tradcif.c: New generated file.
3046 * Makefile.in: Add rules to build tradcpp.o, tradcif.o,
3047 $(srcdir)/tradcif.c. Add tradcpp to STAGESTUFF and
3048 dependencies of C. Install tradcpp from install-common, in
3051 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
3053 * cppinit.c: Include cppdefault.h. Refer to
3054 cpp_GCC_INCLUDE_DIR and cpp_GCC_INCLUDE_DIR_len, not directly
3055 to GCC_INCLUDE_DIR and its length.
3056 (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
3057 USER_LABEL_PREFIX, REGISTER_PREFIX, struct default_include,
3058 STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT): Move to
3060 (include_defaults_array): Move to cppdefault.c.
3062 * cppdefault.h: New file.
3063 * cppdefault.c: New file.
3065 * Makefile.in (LIBCPP_OBJS): Add cppdefault.o.
3066 (cppinit.o): Don't apply $(PREPROCESSOR_DEFINES) to this file.
3067 (cppdefault.o): New rule; apply $(PREPROCESSOR_DEFINES) to
3070 Thu Jul 6 18:30:36 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3072 * reload.c (push_reload): When seeing if can reuse a register,
3073 check extra registers against widest of INMODE and OUTMODE.
3075 2000-07-06 Neil Booth <NeilB@earthling.net>
3077 * cpplib.c: (_cpp_parse_assertion): Perform hash lookups
3078 based on full length of predicate.
3080 2000-07-06 Hans-Peter Nilsson <hp@axis.com>
3082 * timevar.c: [HAVE_SYS_RESOURCE_H]: Include <sys/resource.h>.
3083 [NEED_DECLARATION_GETRUSAGE]: Declare getrusage.
3085 2000-07-05 Kazu Hirata <kazu@hxi.com>
3087 * h8300-proto.h: Fix formatting.
3088 * h8300.c: Likewise.
3089 * h8300.h: Likewise.
3091 2000-07-05 Jim Wilson <wilson@cygnus.com>
3093 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): If FR_REGNO_P, disallow
3096 2000-07-05 Rodney Brown <RodneyBrown@pmsc.com>
3098 * invoke.texi: Fix minor typos
3099 * md.texi: Fix minor typos
3101 2000-07-05 Zack Weinberg <zack@wolery.cumb.org>
3103 * cpplib.c (_cpp_parse_assertion): Fix buffer overrun.
3105 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
3107 * cpplex.c: Don't include sys/mman.h.
3108 (cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.
3110 * cpplib.c: Include sys/mman.h and obstack.h.
3111 (cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
3113 (cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
3114 (_cpp_unwind_if_stack): Now static, unwind_if_stack. Don't
3115 bother freeing if stack entries (they will be freed with their buffer).
3116 (do_endif): Free if stack entries from the buffer obstack.
3117 (push_conditional): Allocate if stack entries from the buffer obstack.
3119 (find_answer): Rename to _cpp_find_answer.
3120 (do_assert, do_unassert): Update.
3122 * cpphash.h: Update prototypes.
3123 (xobnew): New convenience macro.
3124 * cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
3126 (struct cpp_hashnode): Remove disabled field.
3128 * cppinit.c: Don't include hashtab.h or splay-tree.h.
3129 (report_missing_guard): Moved to cppfiles.c.
3130 (cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
3132 (cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
3133 cpp_cleanup_includes. Don't destroy hashtab or
3134 all_include_files here.
3135 (cpp_finish): Use _cpp_report_missing_guards.
3137 * cppfiles.c (report_missing_guard): Moved from cppinit.c.
3138 (_cpp_init_include_table): Rename _cpp_init_includes.
3139 (_cpp_cleanup_includes, _cpp_report_missing_guards): New.
3141 * cppexp.c (parse_assertion): Update for new name of
3144 * Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.
3146 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
3148 * cpplib.c (do_ident): s/VSPACE/EOF/
3150 2000-07-05 Neil Booth <NeilB@earthling.net>
3152 * cpplex.c: Fix trigraph replacement within strings.
3154 2000-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3156 * rs6000/aix.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier.
3158 * xcoffout.c (assign_type_number): Constify.
3159 (xcoffout_source_file): Add static prototype. Don't needlessly
3160 cast away const-ness.
3162 2000-07-04 Jason Merrill <jason@redhat.com>
3164 * frame.h (frame_state): Move base_offset to end.
3166 Mon Jul 3 21:31:43 2000 Clinton Popetz <cpopetz@cygnus.com>
3168 * calls.c (emit_library_call_value_1): Revert previous change.
3170 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
3172 * fix-header.c (struct partial_proto): Remove unnecessary fields.
3173 (recognized_extern, recognized_function, read_scan_file):
3174 Update for new scheme.
3175 (check_protection): It's still a multiple include guard even
3176 if it doesn't always trigger.
3177 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
3179 * scan.h: Declare struct cpp_token. Update prototypes.
3181 2000-07-03 Neil Booth <neilb@earthling.net>
3182 Zack Weinberg <zack@wolery.cumb.org>
3184 Complete overhaul of the lexer and macro expander.
3186 * cpphash.c (object_defn, funct_defn, push_macro_expansion,
3187 arg, arglist, argdata, reflist, collect_objlike_expansion,
3188 collect_funlike_expansion, collect_params,
3189 warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat,
3190 unsafe_chars, macarg, compare_defs, special_symbol,
3191 scan_arguments, stringify, funlike_macroexpand,
3192 _cpp_quote_string, monthnames): Delete.
3193 (cpp_lookup, _cpp_free_definition, dump_funlike_macro,
3194 _cpp_create_definition, _cpp_dump_definition,
3195 dump_hash_helper): Adjust.
3196 (find_param, count_params, parse_define, var_args_str,
3197 check_macro_redefinition, save_expansion): New.
3199 * cpplex.c (skip_block_comment, skip_line_comment, parse_name,
3200 parse_string, output_line_command, trigraph_replace,
3201 lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens,
3202 cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist,
3203 cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer,
3204 _cpp_skip_rest_of_line): Modify.
3206 (maybe_macroexpand, skip_comment, copy_comment, skip_string,
3207 find_position, null_warning, bump_column, expand_name_space,
3208 pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist,
3209 _cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace,
3210 _cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token,
3211 _cpp_prescan): Delete.
3213 (dump_param_spelling, process_directive, lex_next,
3214 is_macro_disabled, stringify_arg, expand_context_stack,
3215 output_token, make_string_token, alloc_number_token,
3216 special_symbol, duplicate_token, maybe_paste_with_next,
3217 can_paste, prevent_macro_expansion, restore_macro_expansion,
3218 get_temp_token, release_temp_tokens, quote_string,
3219 token_names, token_spellings, _cpp_expand_name_space,
3220 _cpp_glue_header_name, _cpp_reserve_name_space,
3221 digraph_spellings, trigraph_ok, skip_whitespace, save_comment,
3222 placemarker_token, eof_token, cpp_context, macro_args,
3223 get_raw_token, parse_arg, parse_args, save_token,
3224 push_arg_context, push_macro_context, pop_context,
3225 do_pop_context, free_macro_args, _cpp_get_line,
3226 _cpp_run_directive): New.
3228 * cpplib.c (validate_else, parse_include, push_conditional,
3229 pass_thru_directive, read_line_number, parse_ifdef,
3230 detect_if_not_defined, _cpp_check_directive, do_define,
3231 do_undef, do_include, do_import, do_include_next, do_error,
3232 do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas,
3233 top_pragmas, do_pragma_gcc, do_pragma_implementation,
3234 do_pragma_poison, do_pragma_system_header,
3235 do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else,
3236 dl_elif, do_endif, _cpp_unwind_if_stack, do_assert,
3237 do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert,
3238 cpp_defined): Update for new scheme.
3239 (strtoul_for_line, get_define_node, dump_macro_name,
3240 _cpp_check_linemarker, _cpp_parse_assertion): New.
3241 (_cpp_handle_directive, do_pragma_default): Delete.
3243 * cpphash.h (struct predicate): Now struct answer.
3244 (enum spell_type, struct token_spelling, struct directive,
3245 directive_handler): New.
3246 Update prototypes. Remove unused macros.
3247 * cpplib.h: Update prototypes. Remove unused macros,
3248 structure definitions, and fields.
3250 * cpperror.c (print_containing_files, v_message): Adjust.
3251 * cppexp.c (parse_assertion, lex, parse_escape,
3252 _cpp_parse_expr): Adjust.
3253 * cppfiles.c (open_include_file, _cpp_execute_include,
3254 _cpp_compare_file_date, cpp_read_file, read_include_file):
3256 * cppinit.c (dump_special_to_buffer): Delete.
3257 (append_include_chain, merge_include_chains, cpp_reader_init,
3258 cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read,
3259 cpp_finish, handle_option, print_help): Adjust.
3260 * cppmain.c (main): Adjust.
3262 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
3264 * cppspec.c (lang_specific_driver): Use double quotes in error
3267 Mon Jul 3 16:53:43 2000 Clinton Popetz <cpopetz@cygnus.com>
3269 * calls.c (emit_library_call_value_1): Use valreg instead
3270 of hard_libcall_value.
3272 2000-07-03 Geoff Keating <geoffk@cygnus.com>
3274 * config/rs6000/rs6000.c (rs6000_emit_move): New function.
3275 * config/rs6000/rs6000-proto.h: Prototype rs6000_emit_move.
3276 * config/rs6000/rs6000.md (movsi): Use rs6000_emit_move.
3284 * expmed.c (expand_mult_highpart): Use op1 instead of wide_op1 when
3285 mode instead of wider_mode is being used.
3287 2000-07-03 Jakub Jelinek <jakub@redhat.com>
3289 * config/i386/i386.md (movstrictqi_xor): Use 'q' constraint instead
3290 of 'r'. Use q_regs_operand.
3291 (andsi_1+2): Use q_regs_operand.
3293 2000-07-03 Jakub Jelinek <jakub@redhat.com>
3295 * builtins.c (get_memory_rtx): Always put into alias set 0.
3297 2000-07-03 Nick Clifton <nickc@cygnus.com>
3299 * config/arm/arm.md: Fix post increment and pre increment
3300 peepholes so that they do not generate UNPREDICATBLE opcodes.
3301 (ie ones where the increment clobbers the source/destination).
3303 2000-07-01 Marek Michalkiewicz <marekm@linux.org.pl>
3305 * config/avr/avr.c (out_adj_frame_ptr): Make "frame pointer
3306 change too big for -mtiny-stack" a warning, if larger than 63.
3307 (out_set_stack_ptr): Change the logic so -mno-interrupts is
3308 always safe to use on possible future devices.
3309 (function_prologue): Write SPH before SPL, for consistency.
3310 If interrupt_func_p true, we know we have enabled interrupts.
3311 (avr_num_arg_regs): New function. Round up to even number of
3312 bytes if no -mpack-args or if calling a libgcc function.
3313 (function_arg, function_arg_advance): Use it.
3314 (output_movsisf, ashlsi3_out, ashrsi3_out, lshrsi3_out):
3315 Output "movw" if available.
3316 (out_tsthi, out_tstsi, ashlqi3_out, lshrqi3_out): Change uses
3317 of TEST_HARD_REG_CLASS macro to test_hard_reg_class function.
3318 (asm_output_section_name): Add blanks for consistent output.
3319 (encode_section_info): Set TREE_READONLY for progmem data to
3320 avoid gas warnings about changed section attributes.
3321 (avr_hard_regno_mode_ok): Force non-QImode data to start in
3322 even numbered registers on devices with "movw".
3323 * config/avr/avr.h (MASK_*): Define bits for target_flags.
3324 (TARGET_SWITCHES): Mark help strings for translation.
3325 Add new -mpack-args and -menhanced switches.
3326 (TARGET_OPTIONS): Mark help strings for translation.
3327 (progmem_section): Add section attributes.
3328 * config/avr/avr.md (*movhi, call_insn, call_value_insn):
3329 Output "movw" if available.
3330 (mulqi3, mulqihi3, umulqihi3, mulhi3, *tablejump_enh):
3332 * config/avr/libgcc.S (_mulqi3, _divqi3): Update to the new
3333 call convention (arguments aligned on even registers).
3334 (_cleanup, _exit): Make weak symbols libc can override.
3336 2000-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3338 * fp-bit.h: New file.
3340 * fp-bit.c: Move common code, prototypes, etc into fp-bit.h.
3341 Comment #endif statements.
3342 (__thenan_sf, __thenan_df): Add missing braces around initializer.
3344 Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
3346 * gcse.c (compute_pre_data): Compute ae_kill using other local
3347 properties instead of calling compute_ae_kill.
3349 * alias.c (init_alias_analysis): Do not call
3350 prologue_epilogue_contains until after reload has completed.
3352 2000-07-02 Benjamin Chelf <chelf@codesourcery.com>
3354 * c-common.h (genrtl_begin_compound_stmt): Remove declaration.
3355 (genrtl_finish_compound_stmt): Likewise.
3356 (genrtl_compound_stmt): Change to return void.
3358 * c-semantics.c (genrtl_begin_compound_stmt): Remove function and
3359 move code from here to ...
3360 (genrtl_compound_stmt): ... here.
3361 (genrtl_finish_compound_stmt): Remove.
3362 (expand_stmt): Add comment.
3364 2000-07-02 Zack Weinberg <zack@wolery.cumb.org>
3366 * c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P
3369 2000-07-02 Jakub Jelinek <jakub@redhat.com>
3371 * cpplib.h (struct cpp_reader): New field include_depth.
3372 (struct cpp_printer): Rename last_bsd to last_id.
3373 * cppfiles.c (read_include_file): Bump include_depth.
3374 * cpplex.c (cpp_pop_buffer): Decrement include_depth.
3375 (output_line_command): Output correct #line if a header
3376 is including itself and is not protected against multiple inclusion.
3377 Use include_depth instead of buffer_stack_depth, last_id instead of
3379 * cppinit.c (cpp_start_read): Initialize last_id instead of
3382 2000-07-01 Benjamin Chelf <chelf@codesourcery.com>
3384 * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
3385 (c-semantics.o): New target.
3387 * c-common.h (TREE_LANG_FLAG_?): Added documentation.
3388 (genrtl_do_pushlevel): Moved from cp/cp-tree.h.
3389 (genrtl_clear_out_block): Likewise.
3390 (genrtl_goto_stmt): Likewise.
3391 (genrtl_expr_stmt): Likewise.
3392 (genrtl_decl_stmt): Likewise.
3393 (genrtl_if_stmt): Likewise.
3394 (genrtl_while_stmt): Likewise.
3395 (genrtl_do_stmt): Likewise.
3396 (genrtl_return_stmt): Likewise.
3397 (genrtl_for_stmt): Likewise.
3398 (genrtl_break_stmt): Likewise.
3399 (genrtl_continue_stmt): Likewise.
3400 (genrtl_scope_stmt): Likewise.
3401 (genrtl_switch_stmt): Likewise.
3402 (genrtl_case_label): Likewise.
3403 (genrtl_begin_compound_stmt): Likewise.
3404 (gerntl_finish_compound_stmt): Likewise.
3405 (genrtl_compound_stmt): Likewise.
3406 (genrtl_asm_stmt): Likewise.
3407 (genrtl_decl_cleanup): Likewise.
3408 (DECL_ANON_UNION_ELEMS): Likewise.
3409 (emit_local_var): Likewise.
3410 (make_rtl_for_local_static): Likewise.
3411 (expand_cond): Likewise.
3412 (expand_stmt): Likewise.
3413 (c_expand_return): Likewise.
3414 (c_expand_start_case): Likewise.
3415 (do_case): Likewise.
3416 (COMPOUND_STMT_NO_SCOPE): Likewise.
3417 (c_expand_asm_operands): Likewise.
3418 (NEW_FOR_SCOPE_P): New macro.
3419 (expand_expr_stmt_fn): New type.
3421 (set_current_function_name_declared): Likewise.
3422 (current_function_name_declared): Likewise.
3423 (lang_expand_stmt): Likewise.
3424 (stmts_are_full_exprs_p): Likewise.
3425 (anon_aggr_type_p): Likewise.
3426 (lang_expand_expr_stmt): Likewise.
3427 (build_case_label): Likewise.
3429 * c-decl.c (lang_expand_expr_stmt): Initialize.
3430 (stmts_are_full_exprs_p): Define.
3431 (current_function_name_declared): Likewise.
3432 (do_case): Likewise.
3433 (lang_expand_stmt): Likewise.
3434 (set_current_function_name_declared): Likewise.
3435 (anon_aggr_type_p): Likewise.
3437 * c-semantics.c: New file.
3438 (expand_cond): Moved from cp/semantics.c.
3439 (genrtl_do_pushlevel): Likewise.
3440 (genrtl_clear_out_block): Likewise.
3441 (genrtl_goto_stmt): Likewise.
3442 (genrtl_expr_stmt): Likewise.
3443 (genrtl_decl_stmt): Likewise.
3444 (genrtl_if_stmt): Likewise.
3445 (genrtl_while_stmt): Likewise.
3446 (genrtl_do_stmt): Likewise.
3447 (genrtl_return_stmt): Likewise.
3448 (genrtl_for_stmt): Likewise.
3449 (genrtl_break_stmt): Likewise.
3450 (genrtl_continue_stmt): Likewise.
3451 (genrtl_scope_stmt): Likewise.
3452 (genrtl_switch_stmt): Likewise.
3453 (genrtl_case_label): Likewise.
3454 (genrtl_begin_compound_stmt): Likewise.
3455 (genrtl_finish_compound_stmt): Likewise.
3456 (genrtl_compound_stmt): Likewise.
3457 (genrtl_asm_stmt): Likewise.
3458 (genrtl_decl_cleanup): Likewise.
3459 (make_rtl_for_local_static): Moved from cp/decl.c.
3460 (emit_local_var): Likewise.
3461 (expand_stmt): Define.
3463 * c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
3464 (c_expand_return): Likewise.
3465 (c_expand_start_case): Likewise.
3467 2000-07-01 Richard Henderson <rth@cygnus.com>
3469 * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
3470 with the low 13 bits set.
3471 (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
3472 * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one
3473 of the low 13 bits into a CONST plus an adddi3.
3474 (load_symptr): Set RTX_UNCHANGING_P.
3476 See ChangeLog.3 for earlier changes.