1 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
3 * cccp.c: Accept and ignore -lang-fortran.
5 2000-01-12 Robert Lipe <robertl@sco.com>
7 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
9 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
11 * reload1.c (reload_reg_unavailable): New static variable.
12 (reload_reg_free_p): Test it.
13 (reload_reg_free_for_value_p): Test it instead of
15 (choose_reload_regs_init): Compute it.
17 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
19 * reorg.c (fill_slots_from_thread): Check modified_in_p
22 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
24 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
25 these nodes even if INTERNALS is not set.
27 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
29 * gcse.c (delete_null_pointer_checks_1): Cope when
30 get_condition cannot determine the condition.
32 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
34 * toplev.h (set_message_length): Declare.
36 * diagnostic.c (obstack_chunk_alloc): Define macro.
37 (obstack_chunk_free): Likewise.
38 (struct output_buffer): New data structure.
40 (output_maximum_width): New variable.
41 (doing_line_wrapping, set_message_length, init_output_buffer,
42 get_output_prefix, output_space_left, emit_output_prefix,
43 output_newline, output_append, output_puts, dump_output,
44 vbuild_message_string, build_message_string, build_location_prefix,
45 voutput_notice, output_printf, line_wrapper_printf,
46 vline_wrapper_message_with_location): New functions. Implement
47 automatic line wrapping.
48 (v_message_with_decl): Make it handle automatic line wrapping.
49 (v_error_with_file_and_line): Likewise.
50 (v_warning_with_file_and_line): Likewise.
51 (announce_function): Likewise.
52 (default_print_error_function): Likewise.
54 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
56 * cpplib.h (struct cpp_options): Change lang_asm to char.
58 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
59 done in cpp_handle_option now.
60 (initialize_builtins): Take out special case code used only by
62 (cpp_handle_option): Turn off trigraphs and trigraph warnings
63 if -traditional. Recognize -lang-fortran and set
64 lang_fortran, also turn off cplusplus_comments.
65 (print_help): Document -lang-fortran.
66 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
67 lang_asm. Ignore all directives other than `# 123 "file"' if
69 (cpp_get_token): If -traditional, don't recognize directives
70 unless the # is in column 1.
71 (parse_string): If lang_fortran or lang_asm, silently
72 terminate strings ('' or "") at end of line.
73 Remove unnecessary braces.
75 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
76 Richard Henderson <rth@cygnus.com>
78 * resource.c (mark_referenced_resources): Mark a set strict_low_part
80 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
81 strict_low_part when possible.
83 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
85 * alias.c: PROTO -> PARAMS.
86 * basic-block.h: Likewise.
89 * builtins.c: Likewise.
90 * c-aux-info.c: Likewise.
91 * caller-save.c: Likewise.
94 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
96 * Makefile.in (toplev.o): Depend on regs.h.
98 * output.h (tdesc_section): Prototype.
100 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
102 * sdbout.c: Include "tm_p.h".
104 * toplev.c: Include "regs.h".
106 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
108 * unroll.c (unroll_loop): Add EH support.
110 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
112 * pa-protos.h: New file.
114 * pa.c: Include recog.h and tm_p.h.
115 (compute_zdepwi_operands, compute_movstrsi_length,
116 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
117 find_addr_reg, import_milli): Add static prototypes.
118 (pa_cpu_string, pa_arch_string): Constify a char*.
119 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
120 (read_only_operand): Add argument `mode'.
121 (singlemove_string, output_move_double, output_fp_move_double,
122 output_block_move, output_and, output_ior, output_ascii,
123 remove_useless_addtr_insns, milli_names, output_mul_insn,
124 output_div_insn, output_mod_insn, output_arg_descriptor,
125 output_cbranch, output_bb, output_bvb, output_dbra, ,
126 output_millicode_call, output_call, hppa_encode_label,
127 output_parallel_movb, output_parallel_addb): Constify a char*.
128 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
129 (output_parallel_addb): Remove extra arg to `constrain_operands'
131 * pa.h: Move all prototypes to pa-protos.h.
132 (pa_cpu_string, pa_arch_string): Constify a char*.
133 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
135 * pa.md: Call `function_label_operand' with mode argument.
136 Likewise for `read_only_operand'.
137 Fix nesting of parens in call to `symbolic_operand'.
139 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
141 * i860-protos.h: New file.
143 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
146 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
150 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
152 * i386.md (movstrsi expander): Rewrite.
153 (movstrsi_1 insn): Deleted.
154 (strmovhi, strmovqi expander): New expanders.
155 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
156 * i386.c (x86_single_stringop): New global variable.
157 * i386.h (x86_single_stringop): Declare.
158 (TARGET_SINGLE_STRINGOP): New macro.
160 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
162 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
163 integer vararg POSTINCREMENT before the destination of the jump
164 for the hard fp case.
165 (function_arg_pass_by_reference): Pass a copy of CUM to
168 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
169 for CONSTANT_ADDRESS_P above while loop for subreg.
171 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
173 * flow.c (propagate_block): When a prologue/epilogue insn
174 is marked dead, unconditionally clear libcall_is_dead and
175 insn_is_dead, and only dump rtl if warnings aren't being
178 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
180 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
181 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
182 (FIXED_REGISTERS): Set dirflag as fixed.
183 (CALL_USED_REGISTERS): Set dirflag as used.
184 (REG_ALLOC_ORDER): Set dirflag as last one.
185 (DIRFLAG_REG): New macro.
186 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
187 (HI_REGISTER_NAMES): Add dirflag.
188 (DEBUF_PRINT_REG): Handle dirflag.
189 * i386.md (type attribute): New cld and str types.
190 (length_opcode attribute): Set cld and str to 1.
191 (memory attribute): Set str to unknown - it is not clear from the
193 (pent_np function unit): Prefixed string operations takes 12 cycles
194 minimally; cld takes 2 cycles.
195 (ppro_uops attribute): Str is "many" and cld is "few".
196 (ppro_p0 unit): Handle cld here.
197 (k6_alux unit): Handle cld and str types.
198 (k6_load unit): It is ocupied by str opcodes.
199 (k6_store unit): It is ocupied by str opcodes.
200 (athlon_decode): Str is vector decoded.
201 (athlon_ieu): Handle str and cld.
203 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
204 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
205 cmpstrsi_nz_1 insn): Do not output cld instruction
207 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
209 * gcc.texi (G++ and GCC): Add Java and Chill.
210 (Bug Critera): Don't list languages.
212 * gcc.texi (Incompatibilities): No longer claim most C compilers
215 * gcc.texi (G++ and GCC): Update other front-ends list.
217 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
219 * i386.c (ix86_expand_setcc): Fix typo.
220 (ix86_expand_movcc): Similarly.
222 * Band-aid until haifa's bitset implementation is nuked.
223 * haifa-sched.c (extract_bitlst): New parameter for size of the
224 bitset in bits. All callers changed. Avoid looking at undefined
226 (edgeset_bitsize): New variable.
227 (schedule_region): Initialize edgeset_bitsize.
229 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
231 * Makefile.in (optabs.o): Depend on real.h
232 (resource.o): Depend on insn-attr.h
234 * builtins.c (result_vector): Wrap prototype in macro conditions
235 governing definition and use.
237 * c-common.c: Include tm_p.h.
241 * elfos.h: Constify a char*.
243 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
244 (get_attr_length, shorten_branches, profile_after_prologue): Mark
245 parameter with ATTRIBUTE_UNUSED.
247 * fold-const.c (exact_real_inverse): Wrap variable `i' in
250 * haifa-sched.c (schedule_insns): Mark parameter with
253 * optabs.c: Include real.h.
255 * real.h (ereal_atof): Add prototype arguments.
257 * resource.c: Include insn-attr.h.
259 * sdbout.c (sdbout_queue_anonymous_type,
260 sdbout_dequeue_anonymous_types): Wrap in macro
261 SDB_ALLOW_FORWARD_REFERENCES.
262 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
265 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
267 * stupid.c: Include tm_p.h.
269 * tree.c (real_value_from_int_cst): Mark parameter with
272 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
274 * i960-protos.h: New file.
276 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
279 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
281 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
283 * combine.c (expand_field_assignment): Do not discard SUBREGs
284 while computing nonzero_bits.
286 2000-01-09 Nick Clifton <nickc@cygnus.com>
288 * config/arm/arm.c: Fix compile time warnings about signed vs
290 * config/arm/arm.h: Fix compile time warnings about signed vs
293 2000-01-09 Philip Blundell <philb@gnu.org>
295 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
296 than `ldm' with only one register.
297 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
300 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
303 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
305 * config/ns32k/ns32k.md (load or push effective address): Operand 1
308 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
310 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
311 assignment used as truth value.
313 * function.c (assign_temp): Mark parameter `dont_promote' with
314 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
315 PROMOTE_FOR_CALL_ONLY.
317 * genrecog.c (write_subroutine): Mark variable `operands' with
320 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
323 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
324 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
326 * toplev.c (note_deferral_of_defined_inline_function): Likewise
329 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
331 * config/c4x.h: Tidy up comments.
332 * config/c4x.c: Likewise.
334 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
336 * fold-const.c (lshift_double, rshift_double): Handle
337 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
339 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
341 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
342 in prepare_function_start().
344 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
346 * config/v850/v850.c (expand_epilogue): Interrupt functions no
347 longer allocate extra stack for function calls.
349 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
351 * config/c4x/c4x.md (*subqf3_set): Fix typo.
353 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
355 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
357 2000-01-07 David Edelsohn <edelsohn@gnu.org>
359 * rs6000.c (processor_target_table): Add power3 as alias for 630.
360 * aix43.h: Revert Aug 2 change.
361 (HAS_INIT_SECTION): Define, not visible yet.
362 (LD_INIT_SWITCH): Define, not visible yet.
363 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
365 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
367 * collect2.c (main): Expand ld2 size further.
368 (export_object_lst): Cast assignment to avoid warning.
369 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
370 (scan_prog_file, COFF): Do not collect initialization or
371 finalization functions generated for entire shared object if
372 init/fini support present.
374 2000-01-07 Nick Clifton <nickc@cygnus.com>
376 * config/elfos.h: Tidy up formatting of marcos. Make sure
377 that .section directives are always prefixed by a tab.
379 * config/svr4.h: Add #include "elfos.h" and remove duplicate
382 2000-01-07 Matt Austern <austern@sgi.com>
384 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
387 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
389 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
391 (crtbegin.o, s-crtS): Likewise.
393 2000-01-06 Richard Henderson <rth@cygnus.com>
395 * alpha.md (adddi_2+1): Limit offset such that it will be
396 loadable with a single ldah+lda pair.
397 (adddi_2+2): Explicitly fail split if we can't make it work.
399 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
401 * protoize.c: Conditionally include unistd.h.
402 (IS_SAME_PATH_CHAR): New macro.
403 (IS_SAME_PATH): New macro.
404 (CPLUS_FILE_SUFFIX): New macro.
405 (cplus_suffix): New static variable.
406 (is_abspath): New static function.
407 (in_system_include_dir): Handle DOS style pathnames.
408 (file_could_be_converted): Likewise.
409 (file_normally_convertible): Likewise.
410 (directory_specified_p): Likewise.
411 (file_excluded_p): Likewise.
413 (shortpath): Likewise.
414 (referenced_file_is_newer): Likewise.
415 (save_def_or_dec): Likewise.
416 (do_processing): Likewise.
418 (edit_file): Likewise. Use rename instead of link.
419 (rename_c_file): Likewise. Don't rename syscalls file.
420 (munge_compile_params): Define null device for DOS based systems.
421 (process_aux_info_file): Use binary mode if appliable.
422 (edit_file): Likewise.
423 * invoke.texi (Running Protoize): Document C++ suffixes used.
425 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
426 IS_DIR_SEPARATOR macros.
427 * collect2.c: Likewise.
428 * cppinit.c: Likewise.
429 * dwarf2out.c: Likewise.
432 * prefix.c: Likewise.
434 * toplev.c: Likewise.
435 * system.h: And move to here.
437 * prefix.c (update_path): Fix typo in variable name.
439 2000-01-06 Richard Henderson <rth@cygnus.com>
441 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
442 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
443 (count_reg_sets_1, count_reg_references): Likewise.
444 (flow_loops_level_compute): Start counting actual loop depth at 1.
445 (flow_loops_find): Likewise.
446 * local-alloc.c (update_equiv_regs): Likewise.
447 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
449 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
451 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
452 FIRST_PSEUDO_REGISTER
453 * dwarf2out.c: Don't include frame.h
454 * dwarfout.c: Likewise
455 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
458 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
460 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
463 * i386.c (movsf splitter): Fix typo in my last checkin.
465 2000-01-05 Nick Clifton <nickc@cygnus.com>
467 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
468 own definition of this macro.
469 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
470 flag_data_sections or UNIQUE_SECTION_P are true.
472 * tm.texi (UNIQUE)SECTION): Document that it can be called for
473 unitialised data decls.
475 * config/i386/winnt.c (i386_pe_unique_section): Cope with
476 being called for uninitialised data.
478 * config/i386/interix.c (i386_pe_unique_section): Cope with
479 being called for uninitialised data.
481 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
482 for uninitialised data.
484 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
485 for uninitialised data.
487 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
488 for uninitialised data.
490 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
491 (UNIQUE_SECTION_P): Always generate a unique section if
492 flag_data_sections is true.
493 (UNIQUE_SECTION): Also generate unique sections for
495 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
496 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
499 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
501 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
504 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
506 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
507 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
508 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
509 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
510 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
512 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
514 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
516 * c-decl.c (finish_enum): Simplify code to determine minimum and
517 maximum values of the enum, and calculate the type. Remove check
518 for FUNCTION_DECLs in the values list, which cannot happen. Replace
519 the DECL_INITIAL of each enumeration constant with a copy converted
520 to the enumeration type. When updating variant types, don't bother
521 updating the type itself.
523 * c-typeck.c (build_binary_op): Simplify conditional expressions
524 when weeding out spurious signed-unsigned warnings. Add new
525 spurious warning category: if the unsigned quantity is an enum
526 and its maximum value fits in signed_type(result_type). Update
528 (build_conditional_expr): Warn here if one alternative is signed
529 and the other is unsigned.
531 2000-01-05 Nick Clifton <nickc@cygnus.com>
533 * config/fr30/fr30.h: Remove extraneous comments.
535 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
537 * reload1.c (choose_reload_regs): When disabling a reload, also
538 set reload_spill_index to -1.
540 2000-01-04 Joel Sherrill (joel@OARcorp.com>
542 * configure.in (m68*-*-rtemscoff*): New target, formal name for
544 (m68*-*-rtemself*): New target.
545 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
546 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
547 (sparc*-*-rtemself*): New target.
548 (sparc*-*-rtems*): Now elf not a.out.
549 * config/i386/rtems.h: Include config/rtems.h.
550 * config/i386/rtemself.h: Include config/rtems.h.
551 * config/i960/rtems.h: Include config/rtems.h.
552 * config/m68k/rtems.h: Include config/rtems.h.
553 * config/m68k/rtemself.h: Include config/rtems.h.
554 * config/mips/rtems64.h: Include config/rtems.h.
555 * config/pa/rtems.h: Include config/rtems.h.
556 * config/rs6000/rtems.h: Include config/rtems.h.
557 * config/sh/rtems.h: Include config/rtems.h.
558 * config/sh/rtemself.h: Include config/rtems.h.
559 * config/sparc/rtems.h: Include config/rtems.h.
560 * config/sparc/rtemself.h: Include config/rtems.h
562 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
564 * final.c (shorten_branches): Correctly compute length of
565 asms without operands.
567 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
569 * configure.in: Add pj target.
570 * configure: Regenerate.
571 * config/pj: New directory.
572 * config/pj/lib1funcs.S: New file.
573 * config/pj/linux.h: New file.
574 * config/pj/pj.c: New file.
575 * config/pj/pj.md: New file.
576 * config/pj/pjl.h: New file.
577 * config/pj/t-pj: New file.
578 * config/pj/xm-pj.h: New file
580 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
582 * toplev.c (rest_of_compilation): Run shorten-branches before
585 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
587 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
588 macros so that they're consistent with their names.
589 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
590 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
592 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
594 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
595 modified inadvertently.
597 2000-01-04 Joel Sherrill <joel@OARcorp.com>
599 * configure.in (v850*-*-rtems*): New target.
600 * configure: Regenerate.
601 * config/v850/rtems.h: New file.
603 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
605 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
606 (__gthread_key_create): Likewise.
607 (__gthread_key_dtor): Likewise.
608 (__gthread_once): Fix logic.
609 (__gthread_key_delete): Cast away constness.
611 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
612 * invoke.texi: Document.
613 * i386/mingw32.h (CPP_SPEC): Use.
614 (LIBGCC_SPEC): Likewise.
615 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
617 2000-01-04 David Edelsohn <edelsohn@gnu.org>
619 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
620 (HANDLE_PRAGMA_PACK): Undefine.
621 (SLOW_UNALIGNED_ACCESS): Define.
623 2000-01-04 David Edelsohn <edelsohn@gnu.org>
625 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
626 to default definition.
627 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
628 (store_fixed_bit_field): Call macro with word_mode and alignment.
629 (extract_bit_field): Call macro with relevant mode and alignment.
630 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
631 to default definition.
632 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
634 (move_by_pieces_ninsns): Likewise.
635 (clear_by_pieces): Likewise.
636 (emit_push_insn): Likewise.
637 (store_field): Call macro with relevant mode and alignment.
638 (expand_expr): Likewise.
639 (expand_expr_unaligned): Likewise.
641 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
642 (SLOW_UNALIGNED_ACCESS): Define.
643 (CASE_VECTOR_MODE): Always use 32-bit offsets.
644 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
645 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
646 (toc_section): Likewise and .toc pseudo-op.
647 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
649 (TEXT_SECTION_ASM_OP): Likewise.
650 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
653 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
654 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
655 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
656 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
657 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
659 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
661 * regclass.c: Revert my Jan 4 change to loop cost computation.
663 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
665 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
668 2000-01-04 Stan Cox <scox@cygnus.com>
670 * haifa-sched.c (build_control_flow): Change unreachable simple
671 loop test to check if current block has only one predecessor.
672 (find_rgns): Initialize degree. Use dest as degree index, not src.
674 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
676 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
678 * calls.c (expand_call): Likewise for
679 `old_stack_arg_under_construction'.
681 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
683 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
686 * gcc.c (execute): Likewise for `ut' and `st'.
688 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
690 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
692 * jump.c (jump_optimize_1): Likewise for `temp2'.
694 * local-alloc.c (block_alloc): Likewise for `r1'.
696 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
698 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
699 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
701 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
704 * reload.c (find_reloads): Likewise for `goal_alternative_number'
705 and `goal_earlyclobber'.
707 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
709 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
711 * stupid.c (stupid_life_analysis): Likewise for `chain'.
713 * unroll.c (copy_loop_body): Likewise for `copy'.
715 * varasm.c (output_constructor): Likewise for `byte'.
717 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
719 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
720 all FP constants for constant->reg moves.
721 (ix86_split_to_parts): Try to convert memory address into immediate
722 when available in the constant pool.
723 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
725 (LEGITIMATE_CONSTANT_P): Return 1.
726 * i386.md (pushsf): New splitter to convert constant pool memory
727 reference to immediate.
728 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
731 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
733 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
734 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
735 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
736 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
737 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
739 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
741 * ginclude/stdbool.h: Support compilation as C++.
743 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
745 * fold-const.c (make_range): Don't try to reverse an unbounded range.
747 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
749 * regclass.c (regclass): Properly compute loop_cost. Adjust
752 * regclass.c: Fix minor whitespace problems.
754 2000-01-03 Anthony Green <green@cygnus.com>
756 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
757 Restore the pic register if required.
759 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
761 * c-common.c (format_char_info): Update comment.
762 (check_format_info): Recognize 'z' modifier in the same way 'Z'
763 was recognized. Emit warning for formats new in ISO C99 only
764 if flag_isoc9x is not set.
766 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
768 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
770 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
772 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
773 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
774 (make_compound_operation): Choose cheaper alternative between
775 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
777 * regclass.c (op_costs): Remove global variable.
778 (record_reg_classes): New parameter "op_costs" and "reg_pref".
779 (record_operand_costs): Break out from ...
780 (scan_one_insn): ... here.
781 (dump_regclass): Make dumps nicer.
782 (regclass): Dump preferrences choosed and changes done during passes.
784 2000-01-03 Jakub Jelinek <jakub@redhat.com>
786 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
788 2000-01-03 Jakub Jelinek <jakub@redhat.com>
790 * config/sparc/sparc.c (gen_df_reg): New function.
791 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
792 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
793 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
794 movtf_cc_reg_sp64+1): Use it.
796 2000-01-02 Mark Mitchell <mark@codesourcery.com>
798 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
801 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
803 * config/i386/i386.c (ix86_expand_unary_operator): Function
804 definition made void.
805 (ix86_expand_binary_operator): Update outdated preceding comment.
806 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
809 * config/i386/i386.c (override_options): Fix option-name typo.
811 2000-01-02 Mark Mitchell <mark@codesourcery.com>
813 * system.h (CEIL): Define.
814 * builtins.c (CEIL): Remove.
815 * expmed.c (CEIL): Likewise.
816 * expr.c (CEIL): Likewise.
817 * stor-layout.c (CEIL): Likewise.
819 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
821 * expr.c (store_constructor_field): Fix typo introduced with last
824 2000-01-01 Mark Mitchell <mark@codesourcery.com>
826 * tree.h (BINFO_N_BASETYPES): New macro.
828 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
830 * expmed.c (emit_store_flag): Prevent losing a pending stack
831 adjust the same way we prevent losing queued increments.
833 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
835 * function.c (update_temp_slot_address): Handle case where sum of
836 temporary address plus offset in register is a valid address.
838 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
840 * genrecog.c (change_state) Corrected typo.
842 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
844 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
845 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
846 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
848 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
850 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
851 case, expand GT comparisons correctly. Fix a comment before this
854 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
856 * dwarfout.c: Include "frame.h"
857 * dwarf2out.c: Likewise.
858 * Makefile.in (dwarfout.o): Depend on frame.h
859 (dwarf2out.o): Likewise.
861 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
863 Restore i386 binary compatibility in Dwarf EH info.
864 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
865 value of FIRST_PSEUDO_REGISTER.
866 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
867 (struct frame_state): Use DWARF_FRAME_REGISTERS.
868 * dwarfout.c (output_reg_number): Ditto.
869 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
870 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
872 1999-12-29 Bruce Korb <autogen@linuxbox.com>
874 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
875 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
876 (<hack>_RE_CT): not needed
877 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
878 rewritten to scan the file text once only
879 "template<..." test added
880 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
881 (is_cxx_header): declaration added
882 * fixinc/fixtests.c(is_cxx_header): removed
883 (apply_fix_p_t): removed
884 (double_slash_test): is_cxx_header is only called once now
885 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
886 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
887 within the templates.
888 The borken spelling of "broken" was fixed.
889 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
890 The default level depends on FIXINC_DEBUG.
892 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
894 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
895 Otherwise provide a declaration for atexit.
896 (init_dummy): Make sure dummy call to atexit is nevertheless
897 called with correct number of args.
899 * frame.c: Update comments referring to other files.
901 * libgcc2.c: Likewise.
903 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
905 * cse.c (free_element, get_element): Remove unused prototypes.
907 * fold-const.c (extract_muldiv): Initialize variables `op0' and
910 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
913 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
915 * configure.in,configure: case arm for mn10200-*-* now sets
916 float_format=i32 so that float.h will correctly claim "double"
917 to be 32 bits. Ran autoconf to generate configure from .in file.
919 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
921 * pa.md (conditional zero): If op1 is a register, force it into
922 the same register as op0.
924 1999-12-28 Mark Mitchell <mark@codesourcery.com>
926 * tree.h (BINFO_BASETYPES): Improve documentation.
928 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
930 * configure.in (--enable-checking): Use a more portable `for'
933 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
935 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
936 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
938 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
941 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
944 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
945 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
946 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
947 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
948 xm-svr4.h: Remove all instances of sys_siglist handling.
950 1999-12-27 Jakub Jelinek <jakub@redhat.com>
952 * config/sparc/sparc.md (cmp_zero_qi,
953 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
954 cmp_zero_extendqidi2_andcc_set): New patterns.
956 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
958 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
959 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
960 (fpgnulib.c, xfgnulib.c): Add rules.
961 * m68k/t-mot3300-gas: Likewise.
963 1999-12-27 Ian Lance Taylor <ian@zembu.com>
965 * configure.in: Avoid [[ by using test and changequote. Add
966 changequote required by 1999-12-14 change.
967 * configure: Rebuild.
969 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
971 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
973 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
975 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
976 * flow.c (find_use_as_address): Likewise.
977 * function.c (fixup_var_refs_1): Likewise.
978 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
979 * jump.c (invert_exp, redirect_exp): Likewise.
980 * loop.c (replace_call_address): Likewise.
981 (count_nonfixed_reads): Likewise.
982 * rtlanal.c (modified_between_p): Likewise.
983 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
984 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
985 * unroll.c (remap_split_bivs): Likewise.
987 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
989 * diagnostic.c (v_message_with_decl): Use .* format specifier
990 instead of building the format specifier width manually.
992 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
993 determining whether to provide a prototype. Remove the
994 sys_siglist clause in the conditional.
996 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
998 * fold-const.c (operand_equal_p): Use memcmp to compare string
1000 Suggested by D. J. Bernstein
1002 1999-12-17 Jakub Jelinek <jakub@redhat.com>
1004 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
1005 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
1007 * config/mips/mips.h (TARGET_64BIT): Likewise.
1008 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
1009 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
1010 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
1011 dsps. Give routines proper names if SI/DI modes are not used.
1012 * longlong.h: Use DWunion instead of DIunion.
1014 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
1016 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
1017 GC_CHECKING, GC_ALWAYS_COLLECT.
1018 * configure.in: Allow --enable-checking with an argument
1019 listing check modes to enable.
1020 * config.in, configure: Rebuilt.
1021 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
1022 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
1023 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
1024 ENABLE_GC_ALWAYS_COLLECT.
1025 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
1027 * tree.h, tree.c: Change ENABLE_CHECKING to
1028 ENABLE_TREE_CHECKING throughout.
1030 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1032 * fold-const.c (fold_truthop): Properly check for FP RHS.
1034 1999-12-24 Mark Mitchell <mark@codesourcery.com>
1036 * toplev.h (note_deferall_of_defined_inline_function): Declare.
1037 * toplev.c (note_deferral_of_defined_inline_function): New
1038 function, split out from ...
1039 (rest_of_compilation): ... here. Use it.
1041 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1043 * expr.c (store_constructor): Don't call clear_storage if size is
1046 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1048 * Makefile.in (toplev.o): Depend on loop.h.
1050 * dwarfout.c: Include tm_p.h.
1052 * emit-rtl.c (restore_emit_status): Mark parameter with
1055 * final.c (final_scan_insn): Likewise.
1057 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
1058 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
1059 flow_depth_first_order_compute, flow_loop_pre_header_find,
1060 flow_loop_tree_node_add, flow_loops_tree_build,
1061 flow_loop_level_compute, flow_loops_level_compute,
1062 flow_loop_outside_edge_p): Add prototypes.
1063 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
1065 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
1066 Mark with ATTRIBUTE_NORETURN.
1068 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
1070 * local-alloc.c (no_conflict_p): Likewise.
1072 * loop.c (insert_bct): Hide definitions of variables with hidden
1074 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
1076 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
1077 with ATTRIBUTE_UNUSED.
1078 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
1079 (reg_scan): Likewise.
1081 * reload.c (find_reloads): Remove unused variables `changed'.
1083 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
1085 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
1086 Remove unused variable `insn'.
1088 * toplev.c: Include loop.h.
1089 (report_file_and_line): Remove unnecessary prototype.
1091 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
1093 * unroll.c (biv_total_increment): Likewise.
1095 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1097 * reload1.c (emit_input_reload_insns): Restore old behaviour
1098 wrt. 'special' reloads.
1100 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
1102 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
1103 hash.h. (cse.c): Don't depend on hashtab.h.
1105 * cse.c: Don't include hashtab.h.
1106 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
1108 * ggc-simple.c: Don't include hash.h.
1110 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
1112 * dwarf2out.c (add_abstract_origin_attribute): Call
1113 gen_abstract_function on our function context.
1115 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
1117 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
1119 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1121 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
1124 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1126 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
1127 constraints to "a!r".
1129 1999-12-21 Mark Mitchell <mark@codesourcery.com>
1131 * Makefile.in (calls.o): Depend on function.h.
1132 (alias.o): Likewise.
1134 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
1136 * reload1.c (emit_reload_insns): Break out code and variables into...
1137 (input_reload_insns, other_input_address_reload_insns,
1138 other_input_reload_insns, input_address_reload_insns,
1139 inpaddr_address_reload_insns, output_reload_insns,
1140 output_address_reload_insns, outaddr_address_reload_insns,
1141 operand_reload_insns, other_operand_reload_insns,
1142 other_output_reload_insns): ... new static variables, and...
1143 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
1144 do_output_reload): ... new functions.
1146 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1148 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
1150 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1152 * md.texi: Add c4x constraints documentation.
1154 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
1156 * config/i386/dgux.c (struct option): Rename to
1157 lang_independent_option.
1158 (struct m_options): Add description field.
1159 (output_options): Rename option type, add sep declaration, output
1160 ix86_cpu_string and ix86_arch_string only if set.
1161 (output_file_start): Rename option type.
1163 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
1165 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
1167 (libgcc2.a): Similarly.
1169 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
1171 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
1172 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
1173 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
1175 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
1177 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
1178 Remove redundant initialization of "frexpon" and "expon".
1180 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1182 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
1184 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
1185 (store_constructor_field, expand_expr): Pass new arg.
1187 1999-12-20 Mark Mitchell <mark@codesourcery.com>
1189 * Makefile.in (explow.o): Depend on function.h.
1191 * stor-layout.c (set_sizetype): Fix typo.
1193 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
1195 * function.c (cfun): Renamed from current_function. All users
1197 * function.h (cfun): Rename declaration as well.
1199 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
1200 to be of type regset_head, not regset. All users changed by adding
1202 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
1204 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1206 * config/c4x/rtems.h: New file.
1208 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
1210 * reload1.c (spill_failure): Take class of failed reload as argument
1211 and print it. Caller changed.
1213 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1215 * rs6000.h (SUBTARGET_DEFAULT): New macro.
1216 (TARGET_SWITCHES): Allow subtargets to default switches.
1217 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
1219 1999-12-18 Mark Mitchell <mark@codesourcery.com>
1221 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
1224 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
1226 * cccp.c (main): Define __STDC_VERSION__ as necessary.
1227 * cppinit.c (cpp_handle_option): Likewise.
1229 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
1230 determine when to define.
1232 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
1234 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
1235 cmove with mismatched test and data modes.
1237 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
1239 * c-typeck.c (c_expand_start_case): Don't warn for long switch
1242 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1244 * alias.c: Minor reformatting.
1247 * stor-layout.c: Likewise.
1248 * fold-const.c: Likewise.
1249 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
1250 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
1252 (size_int_wide): Cache nodes even if garbage collecting.
1253 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
1254 of SAVE_EXPR has no side effects.
1255 * cse.c: Move a comment.
1256 * tree.c: Minor reformatting.
1257 (int_size_in_bytes): Return -1 if constant overflows.
1259 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1261 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
1263 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
1265 * objc/objc-parse.c: Regenerate. This file must be rebuilt
1266 after any change to c-parse.in, even if objc-parse.y didn't
1269 1999-12-18 David S. Miller <davem@redhat.com>
1271 * toplev.c (rest_of_compilation): Restore BLOCK tree
1272 reconstruction and branch shortening changes lost in
1273 December 18th change.
1275 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
1277 * config/arm/linux-elf.h: Change all instances of
1278 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
1279 * config/arm/uclinux-elf.h: Likewise.
1281 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
1283 * toplev.c (notice, vmessage, v_message_with_file_and_line,
1284 v_message_with_decl, file_and_line_for_asm,
1285 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
1286 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
1287 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
1288 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
1289 pfatal_with_name, fatal_io_error, need_error_newline,
1290 last_error_function, last_error_tick, announce_function,
1291 default_print_error_function, print_error_function,
1292 report_error_function, fnotice, error_with_file_and_line,
1293 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
1294 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
1295 warning_with_decl, warning_for_asm, warning, pedwarn,
1296 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
1298 (compile_file): Use fnotice instead of notice. Adjust call.
1300 * diagnostic.c: New file.
1302 * Makefile.in (OBJS): Include diagnostic.o
1303 (diagnostic.o): Define dependence.
1305 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1307 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
1310 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1312 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
1314 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
1316 * fixtests.c (is_cxx_header): New fn, split out of
1318 (else_endif_label): Allow "#endif // comment" in C++ headers,
1319 as determined by is_cxx_header.
1320 * fixfixes.c (else_endif_label_fix): Update comment.
1321 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
1323 * genfixes: Correct double thinko in commandline parsing.
1324 * hackshell.tpl: Generate correct sh syntax for bypass
1327 * inclhack.def (all): Whenever an inserted preprocessor
1328 conditional is split over multiple lines, use double
1329 backslashes in this file so the fixed header will be readable.
1331 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
1332 and add bypass entry for correct version of this header.
1333 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
1334 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
1336 (hpux8_bogus_inlines): New fix, split from...
1337 (ultrix_atof_param) ... here.
1338 (math_expression): Add bypass entry keyed to glibc comment
1339 indicating the problem has been dealt with; disable
1340 unnecessary sed operations; update commentary.
1341 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
1342 add select and bypass entries, simplify shell operation.
1343 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
1345 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
1346 ultrix_atof_param): Add select entry.
1347 (stdio_va_list, sunos_mather_decl): Add bypass entry.
1348 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
1349 comments with the fixes they describe.
1351 * c-parse.in (string action): Do not warn about ANSI string
1352 concatenation in system headers. Affects C parser only.
1353 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
1355 1999-12-16 Jakub Jelinek <jakub@redhat.com>
1357 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
1358 compiling libgcc2 the macro depends always on arch cpp defines.
1360 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
1362 * loop.c (insert_loop_mem): Don't record MEMs from inside
1365 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
1367 * regclass.c (regclass): Do not use flowgraph when not optimizing.
1369 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
1370 notes too, create one when replacement failed, attempt to simplify
1372 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
1375 1999-12-16 Mark Mitchell <mark@codesourcery.com>
1377 * crtstuff.c (__dso_handle): Declare.
1378 (__cxa_finalize): Likewise.
1379 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
1382 * invoke.texi: Document -fuse-cxa-atexit.
1384 * tree.h (ptr_type_node): Document.
1385 (const_ptr_type_node): Likewise.
1387 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
1389 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
1390 (optimize_reg_copy_2): Likewise.
1391 (optimize_reg_copy_3): Likewise.
1392 (fixup_match_2): Likewise.
1393 (regmove_optimize): Likewise.
1394 (fixup_match_1): Liekwise.
1396 * i386.md (HI to SImode promoting splitters): Rewrite.
1397 (pushsf mem peep2): New.
1398 (testhi to andhi peep2): Remove.
1399 * i386.h (x86_promote_QImode): New.
1400 (TARGET_PROMOTE_QImode): New.
1401 (PREDICATE_CODES): Add promotable_binary_operator.
1402 * i386.c (x86_promote_QImode0: New.
1403 (promotable_binary_operator): New.
1404 * i386-protos.h (promotable_binary_operator): New.
1406 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
1408 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
1410 1999-12-16 Mark Mitchell <mark@codesourcery.com>
1412 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
1413 * function.c (insert_block_after_note): Remove.
1414 (retrofit_block): Likewise.
1415 (identify_blocks): Fix indentation.
1416 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
1417 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
1418 * function.h (insert_block_after_note): Remove prototype.
1419 (retrofit_block): Likewise.
1420 * integrate.c (expand_inline_function): Don't call
1421 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
1422 just expand_start_bindings. Use the block_map to remap old
1423 NOTE_BLOCKs to new ones.
1424 (integrate_decl_tree): Keep track of remapped blocks.
1425 * integrate.h (struct inline_remap): Add block_map.
1426 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
1427 NOTE_BLOCK on the notes.
1428 (expand_start_bindings): Rename to ...
1429 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
1430 (expand_end_bindings): Set NOTE_BLOCK.
1431 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
1432 reconstruct the BLOCK tree.
1433 * tree.h (expand_start_bindings): Macroize. Call ...
1434 (expand_start_bindings_and_block): New function.
1436 1999-12-16 Jakub Jelinek <jakub@redhat.com>
1438 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
1439 to match the format.
1441 1999-12-16 David S. Miller <davem@redhat.com>
1443 * expr.c (emit_move_insn_1): Only emit clobbers if one of
1444 the outputs is a SUBREG.
1445 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
1448 * config/sparc/sparc.c (epilogue_renumber): Add default case
1451 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
1453 * toplev.c (rest_of_compilation): Run branch shortening after
1456 * regclass.c (loop_depth): Remove
1457 (scan_one_insn): Do not handle LOOP_NOTE insns.
1458 (regclass): Go through basic blocks and set loop_cost
1460 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
1462 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
1464 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
1466 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
1467 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
1468 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
1470 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
1472 * loop.c (insert_loop_mem): Ignore memory clobbers.
1474 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
1477 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
1479 * profile.c: Remove redundant #include "output.h".
1481 * h8300.md (HImode preinc peephole): Fix typo.
1483 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
1485 * function.c (retrofit_block): Abort if we don't find a suitable insn.
1486 (insert_block_after_note): Abort if we don't have a previous block.
1487 Remove FN parameter.
1488 * function.h: Adjust.
1490 1999-12-15 Mark Mitchell <mark@codesourcery.com>
1492 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
1493 argument more than once.
1495 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
1497 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
1499 1999-12-15 Jakub Jelinek <jakub@redhat.com>
1501 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
1503 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
1505 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
1506 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
1507 update stack_alignment_needed.
1508 (prepare_function_start): Initialize stack_alignment_needed
1509 * function.h (struct function): Add field stack_alignment_needed.
1511 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1513 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
1514 Handle live_throughout / dead_or_set instead of live_before /
1516 (save_call_clobbered_regs): Get register livenessinformation from
1517 chain->live_throughout.
1518 (add_stored_regs): New function.
1519 (insert_restore, insert_save): Add restored / saved registers to
1521 * global.c (reg_dies): New parameter chain.
1522 (reg_becomes_live): Third parameter is regs_set now.
1523 Changed all callers.
1524 (reg_dies): New parameter chain. Changed all callers.
1525 (build_insn_chain): Set live_throughout instead of
1526 live_before / live_after.
1527 * reload.h (struct insn_chain): Replace members live_before /
1528 live_after with live_throughout / dead_or_set.
1529 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
1530 instead of live_before / live_after.
1531 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
1532 (order_regs_for_reload, find_reg, finish_spills): Likewise.
1533 (choose_reload_regs_init): Likewise.
1534 * stupid.c (current_chain, find_clobbered_regs): Delete.
1535 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
1536 instead of chain->live_before / chain->live_after.
1537 (mark_hard_ref): New function.
1538 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
1540 1999-12-15 David S. Miller <davem@redhat.com>
1542 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
1544 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
1546 * flow.c (calculate_loop_depth): Make global, remove prototype,
1547 rewrite to use new loop infrastructure.
1548 (find_basic_block): Remove calculate_loop_depth call.
1549 * toplev.c (rest_of_compilation): Call find_basic_block.
1550 * output.h (calculate_loop_depth): Declare.
1552 * flow.c (dump_flow_info): Dump loop_depth.
1553 (flow_loops_nodes_find): Increase loop_depth for basic block in the
1555 (flow_loops_find): Initialize the loop_depth for each basic block.
1557 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
1559 * tree.c (decl_function_context): Handle virtual functions.
1561 * tlink.c (scan_linker_output): Don't look in demangled name when
1562 looking for linker output keywords.
1564 * dwarfout.c (output_type): We can defer namespace-scope classes.
1566 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
1568 * regclass.c (record_reg_classes): Update comment for merging
1569 register class preferences in reg->reg copies. Tighten conditions
1570 for merging register class preferences in reg->reg copies.
1572 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
1574 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
1576 1999-12-14 Geoff Keating <geoffk@cygnus.com>
1578 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
1579 (INIT_SECTION_ASM_OP): Delete.
1580 (FINI_SECTION_ASM_OP): Delete.
1581 (STARTFILE_SPEC): Define to hold just crtbegin.o.
1583 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
1585 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
1586 the abstract origin wasn't emitted.
1588 * dwarf2out.c (class_scope_p): New fn.
1589 (gen_subprogram_die): Use it.
1590 (gen_variable_die): Use it. Tweak logic.
1591 (gen_struct_or_union_type_die): Check context_die to determine
1592 if we're function-local.
1593 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
1595 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
1597 * loop.c (check_dbra_loop): Can't reverse a biv that has
1600 1999-12-14 Nick Clifton <nickc@cygnus.com>
1602 * config/arm/arm.c: Add support for -mcpu=arm720 command line
1605 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1607 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
1608 for givs made from biv increments.
1610 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
1612 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
1613 * alpha.c (override_options): Recognize -mcpu=ev67.
1614 * alpha.h (CPP_CPU_EV67_SPEC): New.
1615 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
1616 (EXTRA_SPECS): Update.
1618 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
1620 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
1621 appropriate for -lang-c89 and -std=*.
1622 * cppinit.c (cpp_handle_option): Likewise.
1623 (new_pending_define): New, split out from cpp_handle_option.
1624 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
1625 or enable trigraphs for -ansi/-std=*.
1627 * ginclude/stdarg.h (__va_copy): New.
1628 (va_copy): Don't define for C89.
1630 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
1632 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
1633 for long long multiply-accumulate.
1635 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
1637 * regclass.c (scan_one_insn): Set loop_cost to 1 when
1638 optimizing for size.
1640 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
1642 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
1643 if something changed. Back out that part of yesterday's changes.
1645 * loop.c (loop_max_reg): New static variable.
1646 (loop_optimize): Initialize it. Eliminate one unnecessary call to
1648 (scan_loop): Call reg_scan_update whenever we may have added new
1649 registers, and update loop_max_reg.
1651 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
1653 * regclass.c (record_reg_classes): Do not do the copying preferrencing
1654 when source does not die.
1656 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
1658 1999-12-14 Jakub Jelinek <jakub@redhat.com>
1660 * config/sparc/linux64.h (TARGET_LIVE_G0,
1661 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
1663 * config/sparc/linux.h (TARGET_LIVE_G0,
1664 TARGET_BROKEN_SAVERESTORE): Likewise.
1665 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
1666 TARGET_BROKEN_SAVERESTORE): Likewise.
1668 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
1669 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
1671 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
1672 as sparc64 block profiling register.
1673 * config/sparc/sparc.c (sparc_override_options): Allow block
1674 profiling with -m32.
1675 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
1677 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
1678 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
1679 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
1681 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
1683 * config/sparc/sparc.h: Likewise.
1684 * config/sparc/xm-sysv4-64.h: Likewise.
1685 * config/float-sparc.h: Likewise.
1686 * glimits.h: Likewise.
1687 * longlong.h: Likewise.
1689 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
1690 (ASM_IDENTIFY_GCC): Remove.
1692 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
1694 * combine.c (combine_simplify_rtx): Don't make shared rtl.
1695 (simplify_logical): Likewise.
1697 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
1699 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
1700 * cppfiles.c (INO_T_EQ): Likewise.
1702 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
1704 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
1705 * i386/mingw32.h (LIB_SPEC): Likewise.
1706 (STARTFILE_SPEC): Likewise.
1707 * i386/uwin.h (LIB_SPEC): Likewise.
1708 (STARTFILE_SPEC): Likewise.
1710 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
1711 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
1713 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
1715 * combine.c (combine_simplify_rtx): Fix order of checks for
1716 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
1718 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
1720 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
1721 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
1723 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
1725 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
1727 * regclass.c (inv_reg_alloc_order): New array.
1728 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
1730 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
1731 counted_for_groups, counted_for_nongroups. Add fields rld and
1733 * reload.c (push_secondary_reload): Don't set nongroup field of
1735 (push_reload): Likewise.
1736 (find_reloads): Delete code to compute nongroup fields.
1737 * reload1.c (reload_insn_firstobj): New static variable.
1738 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
1740 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
1741 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
1742 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
1744 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
1746 (struct hard_reg_n_uses): Deleted.
1747 (potential_reload_regs): Deleted.
1748 (init_reload): Initialize spilled_pseudos and pseudos_counted.
1749 (reload): Don't try to allocate reload registers if we already know
1750 we have to make another pass. Call select_reload_regs. Free memory
1751 starting with reload_firstobj when starting another pass.
1752 Don't allocate spilled_pseudos.
1753 (calculate_needs_all_insns): Call copy_reloads for an insn that
1754 needs reloads; don't call calculate_needs.
1755 (spill_cost): New static array.
1756 (used_spill_regs_local): New static variable.
1757 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
1758 to compute potential_reload_regs.
1759 (find_reload_regs): Completely rewritten to use find_reg.
1760 (allocate_reload_reg): Don't test counted_for_groups or
1761 counted_for_nongroups. Lose NOERROR arg and code to give an error;
1763 (choose_reload_regs): Add fallback code that uses the existing
1764 register allocation from find_reload_regs.
1766 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
1768 * flow.c (create_edge_list): Cast xmalloc return value.
1770 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
1772 * doprnt.c: Remove incorrect comment closure.
1774 * cse.c: Fix a few minor whitespace goofs.
1776 1999-12-13 Don Bowman <don@pixstream.com>
1778 * mips/vxworks.h: Fix problem with comment termination.
1779 (EXTRA_SECTIONS): Add in_sbss.
1780 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
1782 1999-12-12 David S. Miller <davem@redhat.com>
1784 * cse.c (struct cse_reg_info): Add hash_next member,
1785 reorder rest of struct for better packing on 64-bit
1787 (cse_reg_info_tree): Kill.
1788 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
1789 REGHASH_FN): New custom pow2 hash mechanism.
1791 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
1792 use a pow2 hash table.
1793 (get_cse_reg_info): Rework to use new REGHASH.
1794 (new_basic_block): Likewise, use HASH_SIZE, and inline
1796 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
1797 and inline free_element call.
1798 (lookup_as_function, insert, flush_hash_table, invalidate,
1799 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
1800 invalidate_for_call, use_related_value, find_comparison_args,
1801 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
1802 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
1805 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
1807 * cse.c (cse_basic_block): Free qty_table consistently.
1809 1999-12-12 David S. Miller <davem@redhat.com>
1810 Jakub Jelinek <jakub@redhat.com>
1812 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
1813 SUBREGs by hand, gen the appropriate hard reg directly.
1814 (movtf reg/mem split): Likewise and alter_subreg on destination
1816 (movtf mem/reg split): Similarly.
1817 (movdf_cc_sp64): Rename from hidden pattern.
1818 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
1819 (movtf_cc_sp64, following split): New pattern and splitter.
1820 (movdf_cc_reg_sp64): Rename from hidden pattern.
1821 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
1823 (movtf_cc_reg_sp64, following split): New pattern and splitter.
1825 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
1827 * loop.c (load_mems): Don't hoist written floating point mem
1830 1999-12-12 Mark Mitchell <mark@codesourcery.com>
1832 * except.h (struct eh_queue): Add `next' pointer.
1833 (struct eh_status): Make x_ehqueue a pointer.
1834 (push_ehqueue): Declare.
1835 (pop_ehqueue): Likewise.
1836 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
1838 (expand_fixup_region_end): Likewise.
1839 (expand_leftover_cleanups): Likewise.
1840 (push_ehqueue): Define.
1841 (pop_ehqueue): Likewise.
1842 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
1843 than doing it inline.
1844 (expand_start_all_catch): Adjust now that ehqueue is a
1846 (mark_eh_queue): Mark all level of the queue.
1847 (mark_eh_status): Adjust now that ehqueue is a
1849 (init_eh_for_function): Allocate ehqueue.
1850 (free_eh_status): Free it.
1851 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
1852 expansion for a fixup.
1854 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1856 * gthr-single.h (__gthread_active_p): Add prototype arguments.
1858 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
1859 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
1860 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
1861 function_ptr, getpagesize, __enable_execute_stack,
1862 __enable_execute_stack, __clear_insn_cache,
1863 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
1864 _cleanup, _exit, __default_terminate, __terminate_func,
1865 __terminate, __empty, __throw, new_eh_context,
1866 eh_context_initialize, eh_context_static, eh_context_specific,
1867 get_eh_context, __get_eh_context, __get_eh_info,
1868 init_reg_size_table, eh_threads_initialize,
1869 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
1870 __unwinding_cleanup, throw_helper, __throw, __rethrow,
1871 __pure_virtual): Add prototype arguments.
1872 (__bb_exit_func): Cast a sizeof to long when comparing against one.
1873 Cast a signed value to unsigned long when comparing against one.
1874 (new_eh_context): Wrap in _GTHREADS macro.
1875 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
1877 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
1878 (throw_helper): Initialize variables `handler_p' and `pc_p'.
1880 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1882 * combine.c (record_promoted_value): Remove unused variable
1885 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
1887 * global.c (record_conflicts): Likewise for `j'.
1889 * genoutput.c (output_insn_data): Don't unnecessarily cast away
1892 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1894 * i386-protos.h (output_387_binary_op, output_fix_trunc,
1895 output_fp_compare): Constify a char*.
1897 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
1899 (override_options, ix86_comp_type_attributes, print_operand,
1900 output_387_binary_op, output_fix_trunc, output_fp_compare):
1902 (ix86_sched_reorder): Mark parameter `clock_var' with
1905 * i386.h (DEBUG_PRINT_REG): Constify a char*.
1907 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
1909 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
1910 operand, for use in the Java front-end.
1912 1999-12-10 Ben Collins <bcollins@debian.org>
1914 * configure.in: Fix typo for "-64" in 64bit as check.
1915 * configure: Rebuilt.
1917 1999-12-10 Jakub Jelinek <jakub@redhat.com>
1919 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
1922 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1924 * c-parse.in (string): With -Wtraditional, warn if ANSI string
1925 concatenation is utilized.
1927 * invoke.texi (-Wtraditional): Document it.
1929 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1931 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
1932 Cast a ptrdiff_t to long and pass it to printf with %ld.
1934 1999-12-10 Geoff Keating <geoffk@cygnus.com>
1936 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
1937 68881, we have no 68881 registers at all.
1938 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
1939 value in a 68881 register if it is available.
1941 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
1943 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
1944 for long long multiply-accumulate.
1946 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
1948 * loop.c (insert_loop_mem): Undo last change.
1950 1999-12-10 David S. Miller <davem@redhat.com>
1952 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
1954 * config/sparc/sparc-protos.h: Add them.
1955 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
1956 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
1957 constraints which use those helpers.
1958 (EXTRA_CONSTRAINT): Use this new macro.
1959 * md.texi: Update sparc target constraints documentation.
1960 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
1961 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
1962 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
1963 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
1964 (movsf high/lo_sum split): Rework for new patterns.
1965 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
1967 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
1969 * c-common.c (c_common_nodes_and_builtins):
1970 Create __builtin_ptrdiff_t and __builtin_size_t.
1972 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
1974 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
1976 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1978 * regclass.c (globalize_reg): Re-instate test that allows
1979 fixed registers to be declared as a variable even after functions
1982 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
1984 * i386.md (cpu attribute): Add "athlon".
1985 (athlon_decode): New attribute.
1986 (Athlon scheduling units definitions): New.
1987 (fcmp and shld patterns): Set athlon_decode to "vector".
1988 * i386.c (athlon_cost): New.
1990 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
1991 x86_use_sahf): Set for Athlon.
1992 (x86_use_fiop): Unset for Athlon.
1993 (override_options): Define Athlon alignments and "athlon" name.
1994 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
1995 * i386.h (TARGET_ATHLON): New.
1996 (enum processor_type): Add PROCESSOR_ATHLON.
1997 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
1999 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
2001 1999-12-09 Andreas Jaeger <aj@suse.de>
2003 * loop.c (record_biv): Declare parameter as int.
2005 * config/i386/i386-protos.h: Declare long_memory_operand.
2007 1999-12-09 Mark Mitchell <mark@codesourcery.com>
2009 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
2010 EXPR_WITH_FILE_LOCATION.
2012 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
2014 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
2017 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
2019 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
2022 1999-12-09 Jakub Jelinek <jakub@redhat.com>
2024 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
2025 default on linux64 again.
2026 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
2027 models for multilibing.
2028 * genmultilib: Accept | as alternative separator within a set in
2031 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
2033 * calls.c (precompute_arguments): Make sure initial_value contains
2034 value pseudo which CSE expects.
2035 * cse.c (struct set): New entry orig_src.
2036 (cse_insn): Set it early on entry, use it for libcall EQUIV note
2039 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
2041 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
2043 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
2045 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
2047 1999-12-08 Jakub Jelinek <jakub@redhat.com>
2049 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
2050 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
2052 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
2055 * longlong.h: Merge in changes from glibc.
2056 Also don't clobber %g2 register in 32bit SPARC assembly, so that
2057 -mno-app-regs libgcc can be compiled.
2058 * libgcc2.c: Add defines so that the updated longlong.h
2059 can be used in libgcc2.a. Also, make sure on most architectures
2060 (at least on all which have optimized code in longlong.h defined
2061 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
2063 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2065 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
2066 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
2067 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
2069 * configure: Rebuilt.
2071 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
2073 * alpha.c (secondary_reload_class): For !BWX, sub-simode
2074 outputs require a register.
2076 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
2078 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
2079 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
2080 functions like dptoul will be resolved.
2081 (libgcc2.a): Make sure that the object files from DPBIT are named
2082 differently (prefix `_dp') from those that would be coming from
2085 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
2087 * configure.in: When target is sparc* and tm_file contains 64,
2088 test for 64bit support in assembler. If not supported, remove
2089 sparc/t-sol2-64 from target-dependent Makefile fragments.
2090 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
2091 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
2092 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
2093 * acconfig.h (AS_SPARC64_FLAG): Added.
2094 * configure, config.in: Rebuilt.
2095 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
2096 support. Use AS_SPARC64_FLAG.
2098 1999-12-07 Jakub Jelinek <jakub@redhat.com>
2100 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
2101 suitable for holding OFmode values so that gcc works with complex
2103 (hard_64bit_mode_classes): Likewise.
2105 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
2106 so that it is actually matched.
2107 (sethi_di_medlow): Likewise.
2109 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
2110 as legitimate constant if -mvis.
2111 * config/sparc/sparc.md (movtf): Likewise.
2112 (clear_sf): Use const_double_operand.
2113 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
2115 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
2116 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
2117 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
2118 routines, _Qp_* cannot be handled like that now.
2119 (INIT_TARGET_OPTABS): Likewise.
2120 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
2121 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
2122 sparc_emit_float_lib_cmp if ARCH64 and soft float.
2123 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
2124 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
2125 divtf3, sqrttf3): New expanders.
2126 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
2127 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
2128 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
2131 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
2132 * configure: Rebuilt.
2133 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
2134 -mcpu is given and we're doing 64bit compiles.
2136 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
2138 * loop.h (struct induction): Add multi_insn_incr.
2139 * loop.c (basic_induction_var): New multi_insn_incr argument.
2140 Set it if we search back through previous insns for the biv.
2141 (record_biv): New multi_insn_incr argument; fill in struct induction.
2142 (strength_reduce): Discard an iv with multiple bivs, any of
2143 which require multiple insns to increment.
2145 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2147 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
2150 1999-12-06 David S. Miller <davem@redhat.com>
2152 * combine.c (check_promoted_subreg): Do not conditionalize this upon
2153 PROMOTE_FUNCTION_RETURN.
2155 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
2157 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
2158 and handle REG_UNUSED note on insn.
2160 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
2161 inner_mask instead of mask.
2163 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
2165 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
2166 zero if there was an error.
2168 1999-12-06 Jakub Jelinek <jakub@redhat.com>
2170 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
2173 * longlong.h: Fix clobbers in SPARC asm statements.
2175 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
2176 valid sethi operations when TARGET_ARCH64.
2178 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
2179 always use move_by_pieces to avoid infinite recursion.
2180 (restore_fixed_argument_area): Likewise.
2182 * combine.c (check_promoted_subreg, record_promoted_value): New
2184 (combine_instructions): Use them to retain nonzero and sign bit
2185 information after SUBREGs are eliminated by optimizations in
2186 this pass if PROMOTE_FUNCTION_RETURN.
2188 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
2189 .register declaration. Don't use variables with __ prefixes.
2191 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2193 * fold-const.c (optimize_bit_field_compare): Only use one mode
2194 for both RHS and LHS in non-constant case.
2196 1999-12-06 Nathan Sidwell <nathan@acm.org>
2198 * frame.c (start_fde_sort): Only allocate erratic array, if
2199 linear one was allocated. Return allocated flag.
2200 (fde_insert): Only insert, if there's a valid array.
2201 (fde_end_sort): Split, sort and merge if linear and erratic
2202 arrays exist, else just sort linear one.
2203 (search_fdes): New function. Linear search through original fde
2205 (frame_init): Permit multiple initializations. Cope with
2207 (find_fde): Fallback on linear search, if failed to sort array.
2208 (__deregister_frame_info): Only free sorted array, if we
2211 1999-12-06 Jakub Jelinek <jakub@redhat.com>
2213 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
2215 1999-12-05 Jakub Jelinek <jakub@redhat.com>
2217 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
2219 1999-12-05 Mark Mitchell <mark@codesourcery.com>
2221 * tree.h (special_function_p): Declare.
2222 * calls.c (special_function_p): Make it global. Don't take `name'
2223 as a parameter. Fix typo in 1999-11-28 change.
2224 (expand_cal): Adjust.
2226 1999-12-04 Mark Mitchell <mark@codesourcery.com>
2228 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
2229 * tree.h (EXPR_WFL_FILENAME): Define in terms of
2230 EXPR_WFL_FILENAME_NODE.
2231 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
2233 * print-tree.c (print_note): Print TREE_PRIVATE and
2236 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
2237 the original die cannot be found.
2239 * varray.h (varray_head_tag): Add elements_used.
2240 (VARRAY_PUSH): New macro.
2241 (VARRAY_POP): Likewise.
2242 (VARRAY_TOP): Likewise.
2243 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
2245 * varray.c (varray_init): Initialize elements_used.
2246 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
2247 (INTEGRATE_H): New variable.
2248 (integrate.o): Depend on INTEGRATE_H.
2249 (unroll.o): Likewise.
2251 * function.h (insert_block_after_note): Declare.
2252 * function.c (insert_block_after_note): Split out from ...
2253 (retrofit_block): ... here.
2255 * stmt.c (expand_fixup): Fix typo in comment.
2257 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
2259 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
2260 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
2261 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
2262 (regmove_optimize, fixup_match_1): Likewise.
2264 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2266 * flow.c (flow_loops_dump): Add missing argument when calling
2269 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
2270 Greg McGary <gkm@gnu.org>
2272 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
2273 (init_attributes): Add A_NO_LIMIT_STACK.
2274 (decl_attributes): Handle A_NO_LIMIT_STACK.
2275 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
2276 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
2277 Handle stack bounds checking.
2278 * flags.h (flag_stack_check): Use the word 'probe' rather than
2279 'check', because the flag doesn't actually cause any checking to
2281 * function.c (expand_function_start): Set
2282 current_function_limit_stack.
2283 * function.h (struct function): Add limit_stack.
2284 (current_function_limit_stack): Define.
2285 * invoke.texi (Code Gen Options): Document new options.
2286 * rtl.h: Declare stack_limit_rtx.
2287 * toplev.c (stack_limit_rtx): New variable.
2288 (decode_f_option): Handle new options -fstack-limit-register=REG,
2289 -fstack-limit-symbol=IDENT, -fno-stack-limit.
2290 (main): Add stack_limit_rtx as GC root.
2291 * tree.h (DECL_NO_LIMIT_STACK): New macro.
2292 (struct tree_decl): New member no_limit_stack.
2294 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
2296 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
2297 (conditional_trap+1): Get new mnemonic correct.
2298 (conditional_trap+2): New pattern for DImode traps.
2300 * config/m68k/m68k.c (output_function_prologue): Handle
2302 * config/m68k/m68k.md (trap): New insn.
2303 (conditional_trap): New insn.
2304 * md.texi (Standard Names): Document `trap' and
2306 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
2307 so a cc0 setter doesn't get emitted at some random place in the
2310 * config/i960/i960.md (trap): New insn.
2311 (conditional_trap): New expander.
2312 (conditional_trap+1, conditional_trap+2): New insns for signed
2314 * config/i960/i960.c (i960_function_prologue): Use
2315 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
2317 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
2318 Geoffrey Keating <geoffk@cygnus.com>
2320 * flags.h (warn_padded, warn_packed): Add global var decls.
2321 * toplev.c (warn_padded, warn_packed): Add global var defns.
2322 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
2323 * stor-layout.c (layout_record): Add local variable `type'
2324 to hold often-used TREE_TYPE (field). Add local variable
2325 `unpacked_align' to hold alignment that would be in force
2326 if no `packed' attribute were present. Warn if `packed' attribute
2327 is unnecessary, or even harmful. Warn when gcc inserts padding
2328 to satisfy alignment requirements of members. Use NULL_TREE
2329 when checking whether var_size is set.
2330 * invoke.texi: Document new flags.
2332 1999-12-03 Nathan Sidwell <nathan@acm.org>
2334 * frame.c (fde_split): Reimplement to avoid variable sized array.
2336 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2338 * combine.c (try_combine): Before fixing up LOG_LINKS for the
2339 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
2341 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
2343 * invoke.texi: Document the mips option -mno-crt0
2345 1999-12-02 Mike Karr <mkarr@mathworks.com>
2347 * cccp.c (argdata): Added free_ptr member.
2348 (macroexpand): Initialize free_ptr of each argument. When an
2349 argument's buffers are freed, if the argument's free_ptr corresponds
2350 to a buffer on the input stack, then return the free_ptr to that stack
2351 frame, otherwise, free it.
2352 (macarg): If an argument begins and ends on the same input stack level,
2353 then transfer the free_ptr of that buffer to the argument in case
2354 the stack is popped during the processing of a subsequent argument.
2356 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
2358 * loop.c (note_reg_stored): New function.
2359 (struct note_reg_stored_arg): New structure.
2360 (try_copy_prop): Change to be more conservative; only replace within
2361 one extended basic block and stop replacing if a store to the
2362 replacement reg is seen.
2364 1999-12-02 Nick Clifton <nickc@cygnus.com>
2366 * config/fp-bit.c: Initialise all fields of the NAN
2369 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
2372 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
2374 * i386.md (extend?f?f2): Force the input into a register, not
2377 1999-12-01 Jakub Jelinek <jakub@redhat.com>
2379 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
2381 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
2382 alternative because setting up 64bit constant is usually costly,
2383 especially when reload is in progress or completed.
2384 (movdf_const_intreg_sp64): Likewise.
2385 (movdf_const_intreg split): Fix building up constants when
2386 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
2388 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
2390 * combine.c (if_then_else_cond): Use const_true_rtx instead of
2391 const1_rtx for return values in EQ/NE comparison against (const_int 0)
2394 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
2395 (asm_file_start): Emit .am33 into assembly file when compiling for
2397 (print_operand_address): Handle POST_INC addresses.
2398 (can_use_return_insn, initial_offset): Check AM33 registers too.
2399 (expand_prologue): Check & save AM33 registers too.
2400 (expand_epilogue): Similarly.
2401 (secondary_reload_class): Handle AM33 specific secondary reloads.
2402 (output_tst): Emit efficient code for the AM33 too.
2403 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
2404 (TARGET_SWITCHES): Add -mam33 switch.
2405 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
2406 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
2407 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
2408 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
2409 (enum reg_class, REG_CLASS_NAMES): Likewise.
2410 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
2411 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
2412 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
2413 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
2414 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
2415 (HAVE_POST_INCREMENT): Define.
2416 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
2417 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
2418 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
2419 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
2420 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
2421 (zero_extend to SI from QI/HI): Likewise.
2422 (sign_extend to SI from QI/HI): Likewise.
2423 (mulsidi3, umulsidi3): New patterns for the AM33.
2424 (tstsi with zero extension from QI/HI): Add AM33 variants.
2425 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
2426 (return_internal_regs, store_movm): Handle new AM33 registers.
2427 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
2428 (LIBGCC, INSTALL_LIBGCC): Likewise.
2429 * invoke.texi: Document new flags.
2431 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
2433 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
2434 (addsi3_carry): Likewise.
2435 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
2436 (sbbsi3_carry): Likewise.
2437 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
2439 (test?i_1): Ensure that only one operand is memory.
2440 (conditional move patterns): likewise.
2441 (shift and rotate patterns): Rewrite to expander, add
2442 "binary_operator_ok" to the condition.
2444 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
2445 * i386.h (procesor_costs): Add movzbl_load field.
2446 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
2447 non-Q registers, accept DImode registers anywhere.
2449 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
2450 * i386.c (*_cost): Set value for movxbl_load field.
2452 * (addsi): New add to lea splitter.
2454 (lea to add/shift peep2): New.
2456 1999-12-01 Mark Salter <msalter@cygnus.com>
2458 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
2459 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
2460 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
2462 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
2464 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
2465 * i386.md (movsi_xor): New.
2467 (movsi_1, movhi_1, movqi_1): Remove.
2468 (movsi_2): Rename to movsi_1.
2469 (movhi_2): Rename to movhi_1.
2470 (movqi_2): Rename to movqi_1.
2471 (movdi_1): Remove; remove splitter.
2472 (movdi_2): Rename to movdi_1.
2473 (divmodsi4 splitter): Do not emit clobbers for move patterns.
2474 (long move peep2): Do not create QI or HI mode mov0s
2475 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
2477 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
2480 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
2481 (abs?f2_if): Likewise.
2483 1999-11-30 Alex Samuel <samuel@codesourcery.com>
2485 * ggc.h (ggc_test_and_set_mark): New macro.
2486 (ggc_mark_rtx): Use ggc_test_and_set_mark.
2487 (ggc_mark_tree): Likewise.
2488 (ggc_mark_rtvec): Likewise.
2489 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
2491 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
2493 * dwarf2out.c (scope_die_for): Only handle types. Only search for
2495 (decl_scope_table): Just an array of trees now.
2496 (push_decl_scope): Simplify.
2497 (dwarf2out_init): Adjust.
2498 (local_scope_p): New fn.
2499 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
2500 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
2501 (gen_typedef_die): Likewise.
2502 (gen_lexical_block_die): Don't call push/pop_decl_scope.
2503 (gen_inlined_subroutine_die): Likewise.
2504 (gen_abstract_function): Set current_function_decl temporarily.
2505 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
2506 Handle block extern declarations. Don't call push/pop_decl_scope.
2507 (gen_decl_die): Fix logic for block externs.
2509 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2511 * calls.c (special_function_p): Remove `realloc' and add `strdup'
2512 to the list of functions which have attribute malloc by default.
2514 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2516 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
2517 integer constant does not match the traditional type, limit the
2518 warnings to cases where the base of the type is ten.
2520 * invoke.texi (-Wtraditional): Document it.
2522 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2524 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
2525 * rs6000.md: Only access a CONST_INT with INTVAL
2527 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
2529 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
2530 (compute_nearerout): Likewise.
2531 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
2532 size_t to unsigned long for formatting.
2534 1999-11-30 Jakub Jelinek <jakub@redhat.com>
2536 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
2537 Allow the user to override call-used/fixed state of %g2-5
2538 registers from the command line (with the exception of %g4 for
2540 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
2541 there is a higher chance of having a leaf function.
2542 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
2543 for ARCH64 which has %ccr register.
2544 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
2546 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
2547 insn accept into delay slot any insn which does not use %[ol]
2548 registers. Accept some LO_SUM and shift left by 1 for the normal
2550 (output_function_epilogue): Likewise.
2551 (epilogue_renumber): Added argument which inhibits any renumbering
2552 and just tests if the rtx does not use any %[ol] registers.
2553 (output_return): Reflect above change.
2555 1999-11-30 Jakub Jelinek <jakub@redhat.com>
2557 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
2558 aggregate passing for sizes <= 16 bytes.
2560 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
2562 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
2563 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
2564 * reload.c (find_dummy_reload): Likewise.
2565 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
2566 * reload1.c (reload_as_needed): Likewise.
2567 * stupid.c (stupid_find_reg): Likewise.
2568 * tm.texi (Obsolete Register Macros): Delete section.
2569 * gmicro.h: Remove all traces of the two macros.
2574 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
2576 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
2577 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
2578 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
2579 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
2580 units for the sparclite86x chip.
2581 (flush): Revert October 14th change; add SImode specifically.
2582 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
2583 * invoke.texi: Document it.
2585 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
2587 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
2588 psimode_truncation_operand.
2590 * config/mn10200/mn10200.c (psimode_truncation_operand): New
2591 function. Return true if the operand is either a MEM valid
2592 for a PSImode address or not a MEM at all.
2594 * config/mn10200/mn10200.md (truncsipsi2): Use
2595 psimode_truncation_operand.
2597 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2599 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
2600 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
2601 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
2602 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
2603 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
2604 (flow_loop_level_compute, low_loops_level_compute): Likewise.
2605 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
2606 * basic-block.h: Protect from multiple inclusion.
2607 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
2608 (struct loops, struct loop): Define structures.
2609 * sbitmap.c (sbitmap_a_subset_b_p): New function.
2610 * sbitmap.h: Protect from multiple inclusion.
2611 (sbitmap_a_subset_b_p): Add prototype.
2612 * Makefile.in (LOOP_H): New macro.
2613 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
2615 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
2617 * cppinit.c (CAT): The argument list of this macro may not contain
2620 1999-11-29 David S. Miller <davem@redhat.com>
2622 Move quantity tables and register equivalence chains into
2623 per-qty and per-register structure arrays respectively.
2624 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
2625 qty_const_insn, qty_comparison_code, qty_comparison_const,
2626 qty_comparison_qty): Delete, replace with...
2627 (qty_table): this structure table.
2628 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
2629 (reg_eqv_table): this structure table.
2630 (make_new_qty): Add argument MODE. Caller updated.
2631 Update to use qty_table and reg_eqv_table.
2632 (make_regs_eqv, delete_reg_equiv, insert_regs,
2633 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
2634 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
2635 cse_process_notes, cse_main, cse_basic_block): Likewise.
2637 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2639 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
2640 operation if C is negative.
2641 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
2642 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
2643 law for some divisions if constant is negative and change other
2644 divisions to the opposite rounding.
2646 * expr.c (store_constructor_field): If bit position is not multiple
2647 of alignment of TARGET's mode, use BLKmode.
2649 * expr.c (expand_expr_unaligned): Add more code from full case
2650 that is needed when OP0 is in a register.
2652 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2654 * dwarfout.c (field_byte_offset): Size can be zero if there was
2657 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
2659 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
2660 (associate_trees): Delete unused var TEM.
2661 (extract_muldiv): Delete unused var CANCEL_P.
2663 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
2664 (target_isinf, target_isnan, target_negative): Add return types to
2665 function definitions.
2667 1999-11-29 Bruce Korb <autogen@linuxbox.com>
2669 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
2670 * fixinc/hackshell.tpl: ditto
2671 * fixinc/fixtests.c(double_slash_test): more C++ header testing
2672 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
2674 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
2676 * reload.c (push_reload): When looking for a register to put into
2677 reg_rtx, make sure all hard regs in a multi-reg register are in the
2678 right class and nonfixed.
2680 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
2681 pending_read_insns, pending_write_insns, pending_read_mems,
2682 pending_write_mems, pending_list_length, last_pending_memory_flush,
2683 last_function_call, sched_before_next_call): Move static variables
2685 (bb_ prefixed versions): Replace with single array bb_deps.
2686 (struct deps): New structure.
2687 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
2688 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
2689 argument of type "struct deps *"; use that instead of global
2690 variables. All callers changed.
2691 (init_rgn_data_dependencies): Delete function.
2692 (init_rtx_vector): Delete function.
2693 (init_deps): New function.
2695 (free_pending_lists): Simplify, we always use the bb_deps array even
2696 if only one basic block.
2697 (compute_block_backward_dependences): Likewise.
2698 (schedule_region): Likewise.
2700 (propagate_deps): New function, broken out of
2701 compute_block_backward_dependences.
2702 (compute_block_backward_dependences): Use it.
2704 * alpha.md: Delete useless patterns that tried to work around
2705 register elimination problems.
2707 * unroll.c (loop_iterations): Don't abort if iteration variable
2710 From Joern Rennecke:
2711 * reload1.c (reloads_conflict): Reverse test comparing operand
2712 numbers when testing for conflict between output/outaddr reloads.
2714 1999-11-29 David S. Miller <davem@redhat.com>
2716 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
2718 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
2720 1999-11-28 Robert Lipe <robertl@cygnus.com>
2722 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
2723 table from .fini into .dtor.
2725 1999-11-28 Anthony Green <green@cygnus.com>
2727 * tree.h (struct tree_decl): Add malloc_flag.
2728 (DECL_IS_MALLOC): Define.
2729 * c-common.c (attrs): Add A_MALLOC attribute.
2730 (init_attributes): Add this attribute to the table.
2731 (decl_attributes): Handle malloc attribute.
2732 * calls.c (special_function_p): Check for the malloc attribute.
2733 * extend.texi (Function Attributes): Document malloc attribute.
2735 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
2737 * pa.md (reload shift-add patterns): Remove.
2739 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2741 * reorg.c (dbr_schedule) Print more statistics. Corrected
2742 problem when printing info when 3 delay slots are filled.
2744 1999-11-28 Jakub Jelinek <jakub@redhat.com>
2746 * combine.c (setup_incoming_promotions): Pass an outgoing
2747 regno to FUNCTION_ARG_REGNO_P which it expects.
2749 1999-11-28 Andreas Jaeger <aj@suse.de>
2751 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
2753 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
2755 * cccp.c (do_include): Avoid initialization of automatic variable.
2757 * integrate.c (mark_stores): Function definition made void, to match
2758 previous declaration.
2759 * regclass.c (dump_regclass): Ditto.
2760 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
2762 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2764 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
2765 known to be multiple of divisor.
2767 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
2769 * combine.c (try_combine): Add code to try to merge a set of a
2770 two-word pseudo to a constant with a setting of one of those words
2773 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
2774 (split_tree): Completely rework to make more general.
2775 (make_range, fold): Call negate_expr.
2776 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
2777 (fold, associate): Call new split_tree and associate_trees.
2778 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
2780 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
2782 * loop.c (try_copy_prop): Avoid GNU C extension.
2784 1999-11-25 Mark Mitchell <mark@codesourcery.com>
2786 * except.c (init_eh_for_function): Still zero eh_return_context,
2787 eh_return_stack_adjust, and eh_return_handler.
2789 * except.h (eh_status): Adjust documentation for x_protect_list.
2790 (begin_protect_partials): New function.
2791 * except.c (enqueue_eh_entry): Fix formatting.
2792 (get_first_handler): Add consistency check.
2793 (add_partial_entry): Adjust usage of protect_list.
2794 (emit_cleanup_handler): Save and restore ehqueue.
2795 (expand_start_all_catch): Add comment.
2796 (begin_protect_partials): New function.
2797 (end_protect_partials): Adjust usage of protect_list.
2798 (init_eh_for_function): Use xcalloc.
2800 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2802 * c-common.c (check_format_info): Don't call a variadic function
2803 with a non-literal format string.
2805 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
2807 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
2808 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
2811 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
2814 * collect2.c (collect_wait): Likewise.
2816 * dbxout.c (dbxout_type): Likewise.
2818 * gcc.c (do_spec_1): Likewise.
2820 * genemit.c (gen_insn, gen_expand): Likewise.
2822 * genrecog.c (write_switch, write_subroutine): Likewise.
2824 * mips-tfile.c (catch_signal, botch): Likewise.
2826 * print-rtl.c (print_rtx): Likewise.
2828 * toplev.c (default_print_error_function, report_error_function,
2829 _fatal_insn): Likewise.
2831 1999-11-25 Mark Mitchell <mark@codesourcery.com>
2833 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
2835 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
2837 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
2838 operations when needed.
2839 * i386.md (fop_?f_comm): New.
2840 (fop_?f_1): Do not accept commutative operands.
2842 1999-11-25 Andreas Jaeger <aj@suse.de>
2844 * config/mips/mips.md (casesi_internal): Add missing brace.
2846 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
2848 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
2849 (splice_child_die): Handle moving a child DIE from the declaration
2850 DIE of a class to its specification.
2851 (gen_struct_or_union_type_die): Use 'complete' consistently.
2852 (gen_decl_die): Generate the virtual context DIE first.
2853 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
2855 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
2857 * config/mips/mips.md (call_value_multiple_interanal1): New.
2859 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
2861 * dwarf2out.c (free_AT, free_die): New fns.
2862 (remove_children): Call them.
2863 (output_line_info): Disable removal of duplicate notes.
2865 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
2866 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
2867 means pretend the type isn't defined.
2868 Don't defer emitting types.
2869 (gen_type_die_for_member): New fn.
2870 (gen_decl_die): Call it.
2871 (splice_child_die): New fn.
2872 (gen_member_die): Call it rather than generate duplicate dies.
2874 Defer emitting information for the abstract instance of an inline
2875 until we either inline it or emit an out-of-line copy.
2876 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
2877 from output_inline_function if DECL_ABSTRACT is also set.
2878 (block_ultimate_origin): Likewise.
2879 (gen_abstract_function): New fn.
2880 (gen_decl_die, gen_inlined_subroutine_die): Call it.
2881 (gen_subprogram_die): An abstract instance is not a declaration
2882 just because it doesn't match current_function_decl. Don't abort
2883 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
2884 has an abstract origin.
2885 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
2886 abstract instance here.
2888 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
2890 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
2891 where we need to reload fpul from a system register.
2893 1999-11-24 Andreas Jaeger <aj@suse.de>
2895 * config/mips/linux.h (CPP_PREDEFINES): Added.
2896 (LINK_SPEC): Remove -Y since this is only needed on sparc.
2898 1999-11-24 Andreas Jaeger <aj@suse.de>
2900 * config/mips/linux.h (TARGET_VERSION): Added.
2901 (HANDLE_SYSV_PRAGMA): Added.
2902 (DEFAULT_VTABLE_THUNKS): Added.
2904 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
2906 * local-alloc.c (qty): New structure and static variable.
2907 (qty_phys_reg): Remove, all references changed to qty.
2908 (qty_n_refs): Likewise.
2909 (qty_min_class): Likewise.
2910 (qty_birth): Likewise.
2911 (qty_death): Likewise.
2912 (qty_size): Likewise.
2913 (qty_mode): Likewise.
2914 (qty_n_calls_crossed): Likewise.
2915 (qty_alternate_class): Likewise.
2916 (qty_changes_size): Likewise.
2917 (qty_first_reg): Likewise.
2918 (alloc_qty): Rename variable QTY to QTYNO.
2919 (finf_free_reg): Likewise.
2920 (local_alloc): Allocate qty, do not allocate the removed variables.
2922 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
2924 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
2925 when -membedded-pic is passed.
2927 * config/mips/mips.md (casesi): Handle 64-bit case too.
2928 (casesi_internal_di): New insn.
2930 * config/mips/mips.c (embedded_pic_offset): Always make the
2931 embedded-pic subtractions relative to the name of the current
2932 function by use of the magic string "..CURRENT_FUNCTION".
2933 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
2935 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
2937 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
2938 of (const_int 0), when what we really care about is
2939 whether it's a zero constant anyway.
2940 (div_trap_mips16): Likewise.
2942 1999-11-23 Mark Mitchell <mark@codesourcery.com>
2944 * loop.c (loop_optimize): Always find_loop_tree_blocks and
2945 unroll_block_trees when generating debuggable code.
2947 * tree.h (unsave_expr_1): New function.
2948 (lang_unsave): New variable.
2949 (get_callee_fndecl): New function.
2950 * tree.c (unsave_expr_now_r): New function.
2951 (lang_unsave): Define.
2952 (unsave_expr_1): Likewise.
2953 (unsave_expr_now_r): Split out from unsave_expr_now.
2954 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
2955 call unsave_expr_now_r.
2956 (get_callee_fndecl): Define.
2958 * Makefile.in (gencheck): Don't depend on lang_tree_files.
2959 (gencheck.o): Do depend on lang_tree_files.
2961 * integrate.h (copy_decl_for_inlining): New declaration.
2962 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
2963 (copy_decl_for_inlining): New function.
2964 (integrate_parm_decls): Use it.
2965 (integrate_decl_tree): Likewise.
2967 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
2969 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
2970 the second two from the first.
2971 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
2972 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
2973 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
2975 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
2976 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
2979 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
2981 * pa.md (call_internal_symref, call_value_internal_symref): No mode
2982 needed on the address operand.
2983 * pa.c (call_operand_address): Check for the correct mode.
2985 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
2987 * loop.c: Include "basic-block.h".
2988 (try_copy_prop, replace_loop_reg): New functions.
2989 (load_mems): Detect registers that just hold copies of the hoisted
2990 mem, and call try_copy_prop to eliminate them.
2991 * Makefile.in (loop.o): Update dependencies.
2993 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
2995 * Makefile.in (gencheck.o): Depend on gencheck.h.
2996 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
2997 (insn-peep.o): Depend on except.h and function.h.
2998 (insn-attrtab.o): Depend on RECOG_H.
2999 (insn-output.o): Depend on toplev.h and flags.h.
3000 (gengenrtl.o): Depend on real.h.
3001 (gen-protos.o): Depend on cpplib.h and cpphash.h.
3002 Unify all dependencies to be on RECOG_H rather than recog.h.
3004 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3006 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
3007 * configure.in: Try building a bi-arch 32/64-bit compiler on
3008 sparc-*-solaris2.7 and higher.
3009 * configure: Rebuild.
3011 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
3013 * config/freebsd.h: New, FreeBSD architecture independent file.
3014 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
3016 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
3017 directly by i386/freebsd.h.
3018 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
3019 independent configuration file.
3020 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
3021 directly by i386/freebsd.h.
3022 * configure: Rebuilt.
3024 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
3025 which is in the user's namespace.
3026 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
3027 `i386' which is not in our namespace.
3029 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
3031 * invoke.texi (ARM Options): Add in -mno-alignment-traps
3033 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
3035 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
3036 (add_dwarf_attr, add_child_die): Just push onto the front.
3037 (reverse_die_lists): New fn.
3038 (add_sibling_attributes): Use it.
3039 (push_decl_scope): Reorganize.
3040 (add_name_and_src_coords_attributes): Don't set file and line for
3042 (gen_subprogram_die): An artificial function doesn't need to match
3044 (gen_compile_unit_die): Return the generated die. Only add
3045 AT_comp_dir if the filename is relative.
3046 (remove_AT): Simplify loop. Also free string values.
3047 (output_die): A DIE ref can't be null.
3048 (output_value_format, value_format): Take a dw_attr_ref.
3049 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
3050 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
3051 AT_addr, AT_lbl): New fns.
3052 (various): Use them.
3053 (various): Constify.
3055 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3057 * combine.c (combine_simplify_rtx): When handling a SUBREG,
3058 take SUBREG_WORD into account.
3059 (if_then_else_cond): Likewise.
3061 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
3063 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
3064 clause from BSD license, pursuant with
3066 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
3068 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
3070 * loop.c (load_mems): Reformat slightly.
3071 * basic-block.h (regset_head): New typedef.
3072 (INIT_REG_SET): New macro.
3074 1999-11-22 Bruce Korb <autogen@linuxbox.com
3076 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
3077 (mips-dec-bsd*): non-functional code
3078 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
3080 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
3081 added three replacement fixes
3082 (no_double_slash): removed comments that are not (any longer) pertinent
3083 (bad_lval): this fix currently runs against many files.
3084 The comment seems to indicate that we should select for files
3085 containing 'pragma extern_prefix'.
3087 * fixinc/fixinc.x86-linux-gnu: deleted
3088 * fixinc/inclhack.sh: regen
3089 * fixinc/fixincl.x: regen
3090 * fixinc/fixincl.sh: regen
3092 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
3094 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
3095 its code is INSN and it has no notes.
3097 1999-11-22 Andrew Haley <aph@cygnus.com>
3099 * varasm.c (function_defined): Remove.
3100 (make_function_rtl): Don't set function_defined.
3101 (make_decl_rtl): Remove global register warning.
3102 * regclass.c (no_global_reg_vars): New variable.
3103 (globalize_reg): Warn if function has already been defined.
3104 (regclass_init): Set no_global_reg_vars.
3106 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
3108 * regclass.c (reg_pref): New structure and static variable
3109 (prefclass): Delete.
3111 (all uses of prefclass and altclass): Use reg_pref instead.
3113 1999-11-21 Nick Clifton <nickc@cygnus.com>
3115 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
3117 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
3118 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
3119 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
3121 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
3123 * varasm.c (output_constructor): Solve problem with long long
3124 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
3126 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
3128 * global.c (allocno): New structure and static variable.
3129 (allocno_reg): Remove, all references replaced by allocno.
3130 (allocno_size): Likewise.
3131 (hard_reg_conflicts): Likewise.
3132 (hard_reg_preferences): Likewise.
3133 (hard_reg_copy_preferences): Likewise.
3134 (hard_reg_full_preferences): Likewise.
3135 (regs_someone_prefers): Likewise.
3136 (allocno_calls_crossed): Likewise.
3137 (allocno_n_refs): Likewise.
3138 (allocno_live_length): Likewise.
3139 (find_reg): Rename ALLOCNO to NUM.
3141 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
3143 (may_move_out_cost): New variable.
3144 (init_reg_sets_1): Initialize may_move_out_cost.
3145 (record_reg_classes): Use may_move_out_cost.
3147 * regclass.c (dump_regclass): New function.
3148 (regclass): New parameter DUMP, call DUMP_REGCLASS.
3149 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
3150 pass rtl_dump_file to regclass.
3151 * rtl.h (regclass): Update prototype.
3153 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
3155 * i386.md (neg, not and abs patterns): Revmap to use
3156 ix86_expand_unary_operator and ix86_unary_operator_ok.
3157 (add?f and sub?f expanders): Force operand 1 to register.
3158 * i386.c (ix86_expand_unary_operator): Rewrite.
3159 (ix86_unary_operator_ok): Ensure that memory operands
3161 (ix86_binary_operator_ok): Do not allow operand 1 to
3162 come into memory and operand 0 not.
3163 (ix86_expand_binary_operator): Ensure that
3164 src1 is not non-matching memory.
3166 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
3167 to support integer registers and memory.
3168 (abss?2_integer): Likewise.
3170 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
3171 (REG_CLASS_NAMES): Likewise.
3172 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
3174 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
3175 (movsf): Likewise; unify 4th and 5th alternative.
3177 (movdf_1): Likewise; rename to movdf_integer.
3178 (pushxf): Likewise; rename to pushxf_integer; fix output template;
3179 remove redundant splitter.
3180 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
3181 (movdf_nointeger): New.
3182 (movxf_nointeger): New.
3183 (pushxf_nointeger): New.
3185 * i386.md (extend?f?f): Split to expander and pattern, refuse two
3186 memory operands in patterns.
3187 (fop*): Refuse two memory operands.
3189 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
3190 on !TARGET_USE_CLTD CPUs.
3192 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
3194 * extend.texi: Document C++ restricted pointers and references.
3196 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
3198 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
3199 (invalidate_skipped_set): Call it unconditionally.
3200 (cse_set_around_loop): Likewise.
3202 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
3204 * rtl.texi (mem): Add documentation for alias-set argument
3207 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
3209 * i386.h (struct_processor_costs): New fields int_load, int_store,
3210 fp_move, fp_load and fp_store
3211 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
3213 (MEMORY_MOVE_COST): New macro.
3214 * i386.c (386_cost): Define new fields.
3215 (i486_cost): Likewise.
3216 (pentium_cost): Likewise.
3217 (pentiumpro_cost): Likewise.
3218 (k6_cost): Likewise.
3220 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
3221 Geoffrey Keating <geoffk@cygnus.com>
3223 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
3225 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
3228 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
3229 (TARGET_STRICT_ALIGNMENT): New macro.
3230 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
3231 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
3232 * invoke.texi (M680x0 Options): Document -mstrict-align.
3234 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
3235 Richard Henderson <rth@cygnus.com>
3237 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
3238 (ix86_split_long_move): Declare.
3239 * i386.c (split_xf, ix86_split_movdi): Remove.
3240 (ix86_split_to_parts, ix86_split_long_move): New.
3241 * i386.md (dimode move splitters): Use ix86_split_long_move.
3242 (dfmode move splitters): Likewise.
3243 (xfmode move splitters): Likewise.
3244 (movsf_1): Allow F->r.
3245 (movdf_1, movxf_1): Allow F->ro.
3247 1999-11-17 Mark Mitchell <mark@codesourcery.com>
3249 * except.h (struct eh_entry): Add goto_entry_p.
3250 (eh_region_from_symbol): Remove prototype.
3251 * except.c (find_func_region_from_symbol): New function.
3252 (emit_cleanup_handler): Likewise.
3253 (eh_region_from_symbol): Make it static.
3254 (add_new_handler): Verify the argument.
3255 (find_func_region): Update comment.
3256 (expand_eh_region_end): Expand handlers here, rater than waiting
3257 until expand_leftover_cleanups or start_all_catch.
3258 (expand_leftover_cleanups): Don't expand here.
3259 (expand_start_all_catch): Or here.
3260 (expand_rethrow): Check the return value from find_func_region.
3261 * function.c (expand_function_end): Emit the catch_clauses.
3263 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
3265 * integrate.c (expand_inline_function): Add necessary check for NULL.
3267 1999-11-18 Nick Clifton <nickc@cygnus.com>
3269 * toplev.c (main): Correctly detect an unrecognised option.
3271 * cppinit.c (cpp_handle_option): Do not claim to have consumed
3272 a -f option if it has not been recognised.
3274 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
3276 * basic-block.h (update_life_extent): Remove trailing comma on
3277 enumeration type list.
3279 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3281 * varasm.c (output_constructor) Solved problem with long long
3282 bitfields. Corrected calculating this_time and shift. Also
3283 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
3285 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
3287 * flow.c (split_edge): Take looping structure into account when
3288 determining where to put the new block note.
3290 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
3292 * Makefile.in (ggc-none.o): Provide host specific version if
3295 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
3297 * cse.c (delete_trivially_dead_insns): Identify no-op insns
3298 containing subregs too.
3300 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
3302 * invoke.texi: Add documentation for -muninit-const-in-rodata.
3303 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
3304 (TARGET_UNINIT_CONST_IN_RODATA): Define.
3305 (text_section): Add switches -munint-const-in-rodata and
3306 -mno-uninit-const-in-rodata.
3307 (ASM_OUTPUT_COMMON): Remove.
3308 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
3309 const objects should be placed in read-only data. Otherwise declare
3312 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
3314 * jump.c (jump_optimize_1): Revert last change.
3316 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
3318 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
3319 test if optimizing for size.
3321 1999-11-17 Mark Mitchell <mark@codesourcery.com>
3323 * Makefile.in (toplev.o): Depend on except.h.
3324 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
3326 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
3328 * i386.md (divmodsi4): Rewrite to expander.
3329 (*divmodsi4_nocltd): New.
3330 (*divmodsi4_cltd): New.
3331 (divmodsi4 splitter): Handle the case when input comes in edx.
3332 (udivmodhi4): Do not use constraints in exander.
3333 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
3335 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
3337 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
3338 for the common case.
3340 1999-11-16 Jakub Jelinek <jakub@redhat.com>
3342 * explow.c (hard_function_value): Add outgoing argument.
3343 * expr.h (hard_function_value): Declare it.
3344 * calls.c (expand_call, emit_library_call_value): Update callers.
3345 * function.c (aggregate_value_p): Ditto.
3346 (diddle_return_value): Must look at the outgoing registers
3347 on archs with register windows.
3349 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
3351 * alpha.c (alpha_build_va_list): Use make_lang_type and
3352 initialize TYPE_NAME for the va_list record.
3354 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
3356 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
3358 * ggc.h (struct ggc_statistics): Rearrange elements for better
3359 packing on 64-bit hosts.
3360 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
3361 (compute_nearerout): Likewise.
3363 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
3365 * config/rs6000/rs6000.c (first_reg_to_save): Save
3366 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
3368 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
3370 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
3371 notion of nesting to find the DIE for a type or function.
3372 DIEs can go in limbo even if we got a context_die.
3373 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
3374 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
3376 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
3377 (gen_type_die): Writing out the context doesn't cause member class
3378 template instantiations to be written out as well.
3380 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
3382 * rs6000.h (ASM_OUTPUT_DEF): New.
3383 Based on proposed addition from David Edelsohn.
3385 1999-11-15 Robert Lipe <RobertLipe@usa.net>
3386 Bruce Korb <autogen@linuxbox.com>
3388 * fixinc/inclhack.def
3389 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
3390 (unixware7_byteorder_fix): added. Removes conflicts for new defs
3392 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
3393 (svr4_endian): enabled with SVR5
3394 (svr4_mkdev): simplified syntax and enabled with SVR5
3396 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
3398 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
3399 * configure: Rebuilt.
3400 * config/t-freebsd-thread: New file.
3402 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
3404 * i386.c (ix86_decompose_address): Verify the base is a REG
3405 before trying to examine its register number.
3407 * basic-block.h: Remove all #defines and prototypes related to
3409 (free_bb_mem, compute_preds_succs): Remove prototype.
3410 * rtl.h (free_bb_mem): Remove prototype.
3411 * flow.c (alloc_int_list_node); Remove function.
3412 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
3413 (compute_preds_succs, free_bb_mem): Likewise.
3414 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
3415 * toplev.c (rest_of_compilation): Likewise.
3416 * haifa-sched.c (build_control_flow): Use flow generated edge
3417 list to build the haifa specific edge list.
3418 (find_rgns): Use new CFG data structures instead of pred/succ lists.
3419 (schedule_insns): Do not build pred/succ lists anymore. Instead
3420 build the edge table.
3422 * basic-block.h (dump_bb_data): Remove declaration.
3423 * flow.c (dump_bb_data): Remove function.
3424 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
3425 (sbitmap_union_of_predsucc): Likewise.
3427 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
3428 argument. All callers changed.
3429 (delete_null_pointer_checks_1): No longer need to compute the
3432 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
3433 All callers changed.
3434 (pre_expr_reaches_here_p_work): Likewise.
3435 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
3436 * lcm.c (compute_laterin): Fix initialization of LATER.
3437 (compute_nearerout): Similarly for NEARER.
3439 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
3441 * cse.c (set_nonvarying_address_components): Delete unused function.
3442 (refers_to_p): Likewise.
3444 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
3446 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
3449 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3451 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
3452 definition in do while (0).
3454 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
3456 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
3458 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
3460 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
3462 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
3464 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
3465 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
3466 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
3467 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
3469 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
3470 saved on the stack. Output more accurate stack frame statistics
3471 into assembler file.
3473 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
3475 * genextract.c (record_insn_name): New function.
3476 (get_insn_name): No longer a stub.
3477 (main): Call record_insn_name for each insn. After each label
3478 written, print the insn name in a comment.
3480 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3482 * output.h (const_section, init_section, fini_section): Add
3485 * alpha/elf.h (const_section): Delete declaration.
3487 * svr4.h (const_section): Likewise.
3489 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
3491 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
3492 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
3493 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
3495 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
3496 variable-sized array bounds.
3498 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
3500 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
3503 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
3505 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
3506 addresses the same way GO_IF_LEGITIMATE_INDEX does.
3508 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
3510 * cse.c (hash_arg_in_struct): Delete.
3511 (struct table_elt): Delete elt in_struct.
3512 (struct set): Delete elt src_in_struct.
3513 (merge_equiv_classes): Don't set either hash_arg_in_struct or
3514 the corresponding in_struct elts.
3515 (canon_hash): Likewise.
3516 (safe_hash): Likewise.
3517 (find_best_addr): Likewise.
3518 (record_jump_cond): Likewise.
3519 (cse_insn): Likewise.
3521 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
3523 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
3525 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
3528 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
3530 * function.c (diddle_return_value): Put back check that the DECL_RTL
3531 for the function is a register.
3533 * function.c (diddle_return_value): Use hard_function_value to
3534 get an rtx suitable for use in the USE/CLOBBER insn.
3536 * global.c (global_conflicts): Update comments.
3537 (record_conflicts): No need to record conflicts between pseudos here.
3539 1999-11-11 Bruce Korb <autogen@linuxbox.com>
3541 * fixinc/fixincl.c: Added verbose levels for status messages
3543 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
3545 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
3546 operand as argument to expand_and or expand_binop.
3548 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
3550 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
3551 gcc_add_string_root.
3553 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
3555 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
3557 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
3559 * flow.c (compute_flow_dominators): Initially put all blocks on
3561 * lcm.c (compute_antinout_edge, compute_available): Similarly.
3562 * gcse.c (compute_cprop_avinout): Remove.
3563 (compute_cprop_data): Use compute_available.
3564 (delete_null_pointer_checks_1): Use compute_available.
3566 * basic-block.h (compute_available): Returns a void now.
3567 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
3568 to return a value anymore.
3569 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
3570 worklists. Fix boundary cases. Compute maximal solutions.
3571 (compute_laterin, compute_nearerout): Similarly.
3573 * dwarf2out.c (add_AT_location_description): Allow
3574 (mem (plus (pseudo) (...)) too.
3576 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
3578 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
3580 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
3581 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3583 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
3585 * gansidecl.h: Likewise.
3591 * toplev.h: Likewise.
3597 * varray.c: Likewise.
3599 * varray.h: Likewise.
3601 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
3603 * gcov.c (struct arcdata): Add hits and total, remove prob.
3604 (output_branch_counts): New.
3605 (process_args): Set output_branch_counts if -c.
3606 (calculate_branch_probs): Store hits and total instead of
3608 (output_data): Emit counts if output_branch_counts is true.
3609 * gcov.texi (Invoking Gcov): Document -c switch..
3611 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
3613 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
3614 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
3616 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
3618 * invoke.texi (C Dialect Options): Add missing builtins from
3620 * extend.texi (Other Builtins): Copy to this list.
3622 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3624 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
3625 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
3628 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
3630 * flow.c (compute_flow_dominators): No longer treat basic block 0
3631 or (n_basic_blocks - 1) specially. Clear the AUX field before
3632 starting computation of doms/pdoms. Fix initial state for pdoms.
3634 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3636 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
3637 match rtl.o's: added ggc.h and toplev.h
3638 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
3639 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
3640 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
3642 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
3644 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
3645 from HAVE_DOS_BASED_FILESYSTEM.
3646 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
3647 HAVE_DOS_BASED_FILESYSTEM.
3649 (split_directories): Only special-case DOS file names if
3650 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
3651 instead of explicit tests. Conditionalize on !VMS.
3652 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
3653 tests. Conditionalize on !VMS.
3654 (process_command): Only use make_relative_prefix if !VMS.
3655 (free_split_directories): Conditionalize on !VMS.
3656 (DIR_UP): Conditionalize on !VMS.
3658 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
3660 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
3662 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
3664 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
3667 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
3669 * invoke.texi (Environment Variables): Document relative path
3671 * gcc.c (DIR_UP): If not defined, define as "..".
3672 (standard_bindir_prefix): New static, holds target location to
3674 (split_directories): New function to split a filename into
3675 component directories.
3676 (free_split_directories): New function, release memory allocated
3677 by split_directories.
3678 (make_relative_prefix): New function, make a relative pathname if
3679 the compiler is not in the expected location.
3680 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
3681 can figure out an appropriate prefix from argv[0].
3682 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
3683 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
3684 STANDARD_BINDIR_PREFIX.
3686 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3688 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
3690 * config/c4x/c4x.h: Moved prototypes to c4x.h.
3691 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
3692 c4x_secondary_memory_needed) Delete.
3693 (fp_zero_operand): Add mode argument.
3695 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
3697 * reload1.c (reload_reg_free_for_value_p): Don't use a register
3698 that is in reload_reg_used.
3700 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
3702 * config/arm/arm-protos.h: New file: Prototypes for functions
3703 defined in arm.c and pe.c.
3704 * config/arm/arm.h: Fix compile time warnings.
3705 * config/arm/arm.c: Fix compile time warnings.
3706 * config/arm/pe.h: Fix compile time warnings.
3707 * config/arm/aout.h: Fix compile time warnings.
3709 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
3711 * config/m32r/m32r-protos.h: New file: Prototypes for functions
3714 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
3715 Add support for subtargets.
3716 Add prototypes for new predicates.
3717 Add scheduling macros.
3719 * config/m32r/m32r.c: Fix compile time warnings.
3720 (int8_operand): New predicate function.
3721 (reg_or_cmp_int16_operand): New predicate function.
3722 (extend_operand): New predicate function.
3723 (m32r_adjust_code): New scheduling function.
3724 (m32r_adjust_priorty): New scheduling function.
3725 (m32r_sched_init): New scheduling function.
3726 (m32r_sched_reorder): New scheduling function.
3727 (m32r_sched_variable_issue): New scheduling function.
3728 (direct_return): New codegen function.
3729 (m32r_not_same_reg): New rtl testsing function.
3731 * config/m32r/m32r.md: Fix compile time warnings.
3732 Add support for pre decrement and post increment memory
3737 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3739 * global.c (EXECUTE_IF_CONFLICT): Don't define.
3740 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
3741 (find_reg): Likewise.
3743 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
3745 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
3746 to avoid assembler errors.
3748 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
3750 * config/v850/v850-protos.h: New file: Prototypes for functions
3752 * config/v850/v850.h: Move prototypes to v850-protos.h
3753 * config/v850/v850.c: Move prototypes to v850-protos.h
3754 * config/v850/v850.md: Fix compile time warnings.
3756 * config/fr30/fr30-protos.h: New file: Prototypes for functions
3758 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
3759 * config/fr30/fr30.c: Fix compile time warnings.
3760 * config/fr30/fr30.md: Fix compile time warnings.
3762 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
3764 * tree.h (get_containing_scope): Declare it.
3765 * tree.c (get_containing_scope): New fucntion.
3766 (decl_function_context): Use it.
3767 * toplev.c (rest_of_compilation): Use get_containing_scope.
3769 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3771 * Makefile.in (rtl.o): Depend on toplev.h.
3773 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
3775 * cse.c (delete_trivially_dead_insns): Replace alloca with
3777 * except.c (update_rethrow_references): Likewise.
3778 (init_eh_nesting_info): Likewise.
3779 * function.c (identify_blocks): Likewise.
3780 * gcse.c (dump_hash_table): Likewise.
3781 * graph.c (print_rtl_graph_with_bb): Likewise.
3782 * loop.c (combine_movables): Likewise.
3783 (move_movables): Likewise.
3784 (count_loop_regs_set): Likewise.
3785 (strength_reduce): Likewise.
3786 * profile.c (compute_branch_probabilities): New function, split
3788 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
3789 * regclass.c (regclass): Likewise.
3790 * regmove.c (regmove_optimize): Likewise.
3791 * toplev.c (compile_file): Likewise.
3792 (main): Don't mess with the stack rlimit.
3794 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
3796 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
3797 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
3799 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
3801 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
3803 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
3805 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
3806 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
3809 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
3811 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
3813 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
3815 * gcse.c (post_dominators): Kill.
3816 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
3817 (compute_code_hoist_data): Use compute_flow_dominators. Do not
3818 pass in a pdom array since we do not need pdoms.
3819 * haifa-sched.c (schedule_insns): Similarly.
3820 * flow.c (compute_dominators): Remove dead function.
3821 (compute_flow_dominators): Do not compute doms or pdoms if the
3822 caller does not request them. Split up loop to build doms and
3823 pdoms. Use a worklist to compute doms and pdoms.
3824 * basic-block.h (compute_dominators): Remove prototype.
3826 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
3828 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
3829 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
3830 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
3831 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
3832 (cant_move, fed_by_spec_load, is_load_insn): Remove.
3833 (schedule_region): Remove unused variable.
3834 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
3836 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
3838 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
3839 (update_equiv_regs): Likewise.
3840 (block_alloc): Likewise.
3841 * reg-stack.c (reg_to_stack): Likewise.
3842 (convert_regs_2): Likewise.
3843 * reload1.c (reload_as_needed): Likewise.
3845 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
3847 * Makefile.in (dbxout.o): Depend on ggc.h.
3848 (dwarf2out.o): Likewise.
3849 (xcoffout.o): Likewise.
3850 * dbxout.c: Include ggc.h.
3851 (dbxout_init): Register lastfile as a root.
3852 * dwarf2out.c: Include ggc.h.
3853 (dwarf2out_line): Register lastfile as a root.
3854 * xcoffout.c: Include ggc.h.
3855 (xcoffout_source_line): Register xcoff_lastfile as a root.
3857 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
3859 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
3861 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
3863 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
3865 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
3867 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3869 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
3870 (EXECUTE_IF_CONFLICT): Likewise.
3871 (ALLOCNO_LIVE_P): Avoid signed division.
3872 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
3873 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
3874 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
3876 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
3878 * haifa-sched.c (schedule_block): Don't crash if there's no
3879 next insn for an interblock movement.
3880 (add_branch_dependences): Don't allow clobber insns to move either.
3882 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
3884 * i386.c (split_xf): New.
3885 * i386-protos.h: Declare it.
3886 * i386.md (movxf_1): Add general regs alternatives.
3887 (movxf_1+1): New splitter for same.
3889 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
3891 * function.c (purge_addressof_1): Add missing return values.
3893 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
3895 * function.c (is_addressof): New function. Returns true if
3896 the given piece of RTL is an ADDRESSOF.
3897 (purge_addressof_1): Make boolean. Return false if the
3898 ADDRESSOFs could not be purged.
3899 (purge_addressof): If ADDRESSOFs could not be purged from the
3900 notes attached to an insn, remove the offending note(s),
3901 unless they are attached to a libcall.
3903 1999-11-05 Andreas Jaeger <aj@suse.de>
3905 * genoutput.c (null_operand =): Initialize all fields.
3907 * errors.h: Add extern to prototypes.
3909 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
3911 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
3912 * configure: Rebuilt.
3914 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3916 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
3917 (mirror_conflicts): New function.
3918 (global_alloc): Call it.
3919 (expand_preferences): Remove redundant CONFLICTP test.
3920 (find_reg, dump_conflicts): Likewise.
3921 (prune_preferences): Process conflicts one word at a time.
3923 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
3925 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
3926 instead of an explicit loop.
3928 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
3930 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
3931 if REG_RETVAL check succeeds, then put classp in src_elt.
3933 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
3935 * function.c (pad_to_arg_alignment): Only update argument_pad
3936 if the argument's alignment is greater than STACK_BOUNDARY.
3938 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
3940 * bitmap.h (BITMAP_XFREE): New.
3941 * flow.c (life_analysis): Use it.
3942 (life_analysis_1): Free blocks.
3944 * combine.c (undo_commit): New.
3945 (try_combine): Use it. Don't zap undobuf.undos.
3946 (combine_instructions): Don't zap undobuf.undos; free the
3949 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
3951 * stmt.c (cost_table_): New.
3952 (estimate_case_costs): Use it instead of xmalloc.
3954 * toplev.c (compile_file): Reuse dumpname memory instead
3957 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
3959 * reg-stack.c (convert_regs_1): Initialize target_stack->top
3960 after verifying an EH edge.
3962 * haifa-sched.c (init_rgn_data_dependences): Correctly
3963 size bb_pending_lists_length when zeroing.
3965 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
3967 * function.c (diddle_return_value): New.
3968 (expand_function_end): Use it.
3969 * stmt.c (expand_null_return): Likewise.
3970 (expand_value_return): Likewise.
3972 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
3974 * reload1.c (reload): Don't remove return value clobbers.
3976 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
3978 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
3980 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
3982 * cse.c (cse_main): Use xmalloc, not alloca.
3983 (cse_basic_block): Likewise.
3984 * local-alloc.c (local_alloc): Likewise.
3986 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
3987 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3989 * rtl.c: Include toplev.h.
3990 (fatal): Remove declaration.
3992 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
3994 * haifa-sched.c (schedule_block): Fix thinko.
3996 1999-11-03 James McKelvey <mckelvey@fafnir.com>
3998 * fixinc/fixincl.c(create_file): Allow for systems that do not have
3999 S_IR* defined values
4001 1999-11-03 Philippe De Muyter <phdm@macqel.be>
4003 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
4004 call `malloc' instead.
4006 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
4008 * flags.h (flag_renumber_insns): Declare.
4009 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
4011 * rtl.h (renumber_insns): Change prototype.
4012 * toplev.c (flag_renumber_insns): Define.
4013 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
4015 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
4017 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
4018 and fpsqrtd. Use them and create fdiv function unit to more
4019 accurately represent fpu sqrt pipeline semantics on UltraSparc.
4020 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
4022 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
4024 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
4026 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
4027 insn into ready list, do not use just a raw swap.
4029 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
4031 * rtl.h (renumber_insns): New function.
4032 (remove_unnecessary_notes): Likewise.
4033 * emit-rtl.c (renumber_insns): Define.
4034 (remove_unncessary_notes): Likewise.
4035 * toplev.c (rest_of_compilation): Remove dead code.
4036 Use renumber_insns and remove_unncessary_notes.
4038 * gcse.c (struct null_pointer_info): New type.
4039 (get_bitmap_width): New function.
4040 (current_block): Remove.
4041 (nonnull_local): Likewise.
4042 (nonnull_killed): Likewise.
4043 (invalidate_nonnull_info): Take a null_pointer_info as input.
4044 (delete_null_pointer_checks_1): New function.
4045 (delete_null_pointer_checks): Use it.
4047 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
4048 (split_edges): Likewise.
4049 (schedule_block): Likewise.
4050 (compute_block_backward_dependencies): Likewise.
4051 (schedule_region): Likewise.
4052 (schedule_insns): Likewise.
4054 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
4056 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
4057 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
4058 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
4059 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
4060 * jump.c (delete_unreferenced_labels): Don't delete if
4061 LABEL_ALTERNATE_NAME is set.
4062 * print-rtl.c (print_rtx): Dump alternate name.
4063 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
4064 * rtl.h (LABEL_ALTERNATE_NAME): Define.
4065 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
4066 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
4068 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4070 * fix-header.c (recognized_extern, recognized_function): Constify
4073 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
4074 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
4075 (compute_available): Remove unused variable `last'.
4076 (compute_nearerout): Remove unused variable `temp_bitmap'.
4077 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
4078 Remove unused variable `x'.
4080 * scan.h (recognized_function, recognized_extern): Constify a
4083 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
4085 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4087 * varasm.c (decode_rtx_const): Use XSTR to access the string
4090 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
4092 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
4094 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4096 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
4098 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
4100 * pa.c (ireg_operand): New function.
4101 * pa.h (PREDICATE_CODES): Handle ireg_operand.
4102 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
4103 Fix out of date comment.
4105 * pa.md (negdi2): Turn into expander + anonymous pattern.
4107 * reload.c (find_reloads): Fix typos in recent change.
4109 * dwarf2out.c: Do not include ctype.h.
4111 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4113 * regclass.c (record_reg_classes): Always use may_move_cost when
4114 seeing how operand fits with various register classes.
4116 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
4118 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
4119 * toplev.c: Revert Nov 1 13:22 change.
4121 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
4123 * config/pa/pa.md (height reduction patterns): Add checks for
4124 overlapping operands to avoid semantic-destroying splits for
4125 height reduction patterns.
4127 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4129 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
4130 have been an hyphen, fixed.
4131 * configure: Rebuilt.
4133 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
4135 * config/arm/tpe.h: Add prototypes for exported functions.
4136 * config/arm/pe.c: Fix compile time warnings.
4137 * config/arm/semi.h: Fix compile time warnings.
4138 * config/arm/arm.c: Fix compile time warnings.
4139 * config/arm/arm.h: Fix compile time warnings.
4140 * config/arm/arm.md: Fix compile time warnings.
4141 * config/arm/thumb.c: Fix compile time warnings.
4142 * config/arm/thumb.h: Fix compile time warnings.
4143 * config/arm/thumb.md: Fix compile time warnings.
4145 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
4147 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
4150 * unroll.c (unroll_loop): Remove LOOP notes when loop is
4151 completely unrolled.
4153 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4155 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
4157 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
4159 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
4160 * rtl.h (rtx_equal_p): Move prototype.
4161 * rtl.c (rtx_equal_function_value_matters): Move from
4163 (rtx_equal_p): Likewise.
4164 * rtlanal.c (rtx_equal_function_value_matters): Delete.
4165 (rtx_equal_p): Likewise.
4167 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
4169 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
4172 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
4174 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
4176 * pa.h (ADDR_VEC_ALIGN): Define.
4178 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
4179 notes when presented with "if (foo) break; end_of_loop" and
4180 the break sequence gets moved out of the loop.
4182 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
4183 Remove explicit zero initializations of entries within MAP.
4185 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
4187 * reg-stack.c (convert_regs_1): Handle EH edges specially.
4189 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
4191 * bitmap.h (BITMAP_XMALLOC): New macro.
4192 * flow.c (CLEAN_ALLOCA): Remove.
4193 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
4194 (life_analysis): Likewise.
4195 (update_life_info): Don't use CLEAN_ALLOCA.
4196 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
4197 (calculate_global_regs_live): Likewise.
4198 (print_rtl_with_bb): Likewise.
4199 (verify_flow_info): Likewise.
4200 * global.c (global_alloc): Likewise.
4201 (global_conflicts): Likewise.
4202 * integrate.c (save_for_inline_nocopy): Likewise.
4203 (expand_inline_function): Likewise.
4204 * jump.c (jump_optimize_1): Likewise.
4205 (duplicate_loop_exit_test): Likewise.
4206 (thread_jumps): Likewise.
4207 * loop.c (loop_optimize): Likewise.
4208 (combine_givs): Likewise.
4209 (recombine_givs): Likewise.
4210 * reorg.c (dbr_schedule): Likewise.
4211 * unroll.c (unroll_loop): Likewise.
4213 * combine.c (combine_instructions): Use xmalloc instead of alloca.
4215 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
4217 * toplev.c (rest_of_compilation): Don't optimize the CFG
4218 when rebuilding, just before dbr.
4220 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4222 * output.h (assemble_end_function, assemble_destructor,
4223 assemble_constructor, assemble_gc_entry, assemble_global,
4224 assemble_label, output_constant_pool) Constify a char*.
4226 * varasm.c (assemble_destructor, assemble_constructor,
4227 assemble_gc_entry, assemble_end_function, assemble_global,
4228 assemble_label, output_constant_pool): Likewise.
4230 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
4232 * config/arm/thumb.c (thumb_expand_prologue): Add comments
4233 explaining what is goin on in this function.
4235 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4237 * regclass.c (record_reg_classes): In matching case, recompute
4238 costs since the direction of movement is different.
4240 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
4242 * resource.c (mark_target_live_regs): For unconditional branches,
4243 the resources found at the branch target should be added to the
4244 resources found so far, not intersected.
4246 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
4248 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
4250 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
4251 (sys/mman.h): Include this file only if #HAVE_MMAP.
4252 (run_compiles): Initialize `esac_fmt' with one old KR string, not
4253 with automatically concatenated ANSI strings.
4255 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
4257 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
4258 (DIV_ROUND_UP): Robustify.
4259 (ggc_recalculate_in_use_p): New function.
4260 (release_pages): Don't inline it.
4261 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
4263 (ggc_pop_context): Use ggc_recalculate_in_use_p.
4264 (clear_marks): Always save in_use_p.
4265 (sweep_pages): Use ggc_recalculate_in_use_p.
4266 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
4267 Release pages before counting statistics.
4269 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
4271 * toplev.c (rest_of_compilation): Fix thinko in this change:
4273 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
4275 (rest_of_compilation): If inside an inlined external function,
4276 pretend we are just being declared.
4278 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
4280 * flow.c (calculate_global_regs_live): Fix thinko.
4282 * integrate.c (expand_inline_function): Fix bugs in previous
4283 change from Oct 28, 1999.
4285 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
4287 * stmt.c (expand_value_return): Fix typo in this change:
4289 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4290 (expand_value_return): Correctly convert VAL when promoting function
4291 return; support RETURN_REG being a PARALLEL.
4293 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
4295 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
4297 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4299 * hard-reg-set.h (reg_names): Constify a char*.
4301 * regclass.c (reg_names): Likewise.
4303 * regs.h (reg_names): Likewise
4305 * a29k/a29k.c (reg_names): Delete declaration.
4307 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
4309 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
4310 arc_output_function_epilogue): Likewise.
4312 * elxsi/elxsi.c (reg_names): Likewise.
4314 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
4316 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
4319 * m88k/m88k.c (output_function_profiler): Likewise.
4321 * sparc/sparc.c (sparc_flat_output_function_prologue,
4322 sparc_flat_output_function_epilogue): Likewise.
4324 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
4326 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
4327 warning from -Wuninitialized and put it under -W.
4328 * function.c (uninitialized_vars_warning): Warn only when the
4329 corresponding flag is set.
4331 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
4333 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
4334 is nonzero and the single set does not have an elt, then assign
4337 * simplify-rtx.c: New file.
4338 * Makefile.in (OBJS): Add simplify-rtx.o
4339 (simplify-rtx.o): Add dependencies.
4340 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
4341 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
4342 (cse_gen_binary, simplify_unary_operation): Delete.
4343 (simplify_binary_operation, simplify_plus_minus): Likewise.
4344 (check_fold_consts, simplify_relation_operation): Likewise.
4345 (simplify_ternary_operation): Likewise.
4346 (delete_trivially_dead_insns): Simplify the contents of the
4347 REG_EQUAL note before trying to substitute it into the source
4348 of the reg-reg copy at the end of a libcall sequence.
4350 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
4351 references/callers changed.
4353 * mn10200.c (mn10200_va_arg): Force the return value into a
4356 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
4358 * cccp.c (macroexpand): Avoid out of range accesses for omitted
4361 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
4363 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
4365 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
4367 * fold-const.c (fold): Fix thinko when optimizing comparisons
4370 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
4372 * gcc.texi (Passes): Update front-end files to their current
4375 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
4377 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
4378 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
4379 (PREDICATE_CODES): Add addition_operation.
4380 * alpha-protos.h (addition_operation): Declare.
4381 (secondary_reload_class): Likewise.
4382 * alpha.c (addition_operation): New.
4383 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
4384 * alpha.md (adddi3): Turn into expander.
4385 (*lda, *adddi_2): New.
4386 (movsf, movdf patterns): Don't preference integer regs.
4387 (movsi, movdi patterns): Don't preference fp regs.
4389 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
4391 * genrecog.c (write_switch): Check for duplicate CODE cases.
4393 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
4395 * ggc-common.c: Update pre-function commentary.
4396 * ggc-page.c: Likewise.
4398 (poison_pages): Use memset directly.
4399 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
4400 (ggc_collect): Poison before sweeping.
4401 * ggc-simple.c: Update pre-function commentary.
4402 (ggc_alloc_obj): Poison non-zeroed memory.
4404 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
4406 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
4407 match format string, even on 64-bit hosts.
4408 * gcc-page.c (ggc_page_print_statistics): Likewise.
4410 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
4412 * config/i386/i386.c (ix86_cpu): Revert last patch.
4413 * config/i386/i386.h (ix86_cpu): Ditto.
4415 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
4417 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
4418 TYPE_SIZE, convert type of result to sizetype.
4420 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
4422 * flow.c (count_or_remove_death_notes): Equate NULL with the
4425 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
4426 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
4429 * i386.c (pic_label_no): Delete.
4430 (ix86_attr_length_default): Don't use single_set to peek
4433 * recog.c (peephole2_optimize): Allow recog_next_insn to index
4434 the first insn after bb->end.
4435 * i386.md (push mem peeps): Scratch is live after evaluation
4437 (cmp mem peep): Similarly.
4439 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
4441 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
4442 * function.c (pad_to_arg_alignment): Add missing braces.
4444 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4446 * alpha/alpha-protos.h (literal_section): Add prototype.
4447 (alpha_need_linkage, alpha_start_function,alpha_end_function):
4450 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
4452 (alpha_start_function, alpha_end_function, float_strings,
4453 alpha_need_linkage): Constify a char*
4455 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
4457 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
4459 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
4461 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
4463 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4465 * flow.c (debug_flow_info): Add prototype.
4467 * gcc.c (main): Likewise.
4469 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
4472 * reload1.c (failed_reload, set_reload_reg): Likewise.
4474 * mips-tfile.c (main): Likewise.
4475 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
4476 with ATTRIBUTE_NORETURN.
4478 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
4480 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
4481 DECL is not a memory ref.
4483 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
4485 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
4486 * config/i386/i386.c (ix86_cpu): Add extern attribute.
4488 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
4490 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
4491 * config/mips/elf64.h: ditto.
4493 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
4495 * expr.c (emit_push_insn): New argument alignment_pad.
4496 Update all callers. Adjust stack pointer based on alignment pad.
4497 * function.c (pad_to_arg_alignment): New argument alignment_pad.
4498 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
4499 (locate_and_pad_parm): New argument alignment_pad. Update all
4501 * expr.h (emit_push_insn): Update prototype.
4502 (locate_and_pad_parm): Update prototype.
4503 * calls.c (arg_data): Add new field alignment_pad.
4504 (initialize_argument_information): Initialize alignment_pad.
4506 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
4508 * except.c (free_eh_nesting_info): Free the info itself.
4509 * function.c (free_after_compilation): Don't free NULL.
4510 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
4511 (pre_edge_insert): Free inserted.
4512 * stmt.c (free_stmt_status): Don't free NULL.
4514 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
4516 * gcov.c (DIR_SEPARATOR): Provide default.
4517 (output_data): Add test for MS-DOS format absolute filename.
4518 (fancy_abort): Correct program name.
4519 (open_files): Open all files in binary mode.
4520 * libgcc2.c (__bb_exit_func): Likewise.
4522 * profile.c (init_branch_prob): Specify binary when opening files.
4524 * flags.h (flag_unwind_tables): New decl.
4525 * toplev.c (flag_unwind_table): New definition.
4526 (f_options): Add -funwind-tables.
4527 (decode_g_option): Clarify warning when unknown -g option is given.
4528 (rest_of_compilation): If inside an inlined external function,
4529 pretend we are just being declared.
4531 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
4532 (dwarf2out_frame_finish): Likewise.
4534 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
4536 * fold-const.c (merge_ranges): If not in0, but in1, handle
4537 upper bounds equal like subset case.
4539 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
4541 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
4542 passed in a register but moved to the stack.
4544 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
4546 * gcc.c (pass_exit_codes, greatest_status): New variables.
4547 (struct option_map): Add entry for "--pass-exit-codes".
4548 (execute): Update greatest_status if error.
4549 (display_help): Add documentation for -pass-exit-codes.
4550 (process_command): Handle -pass-exit-codes.
4551 (main): Look at pass_exit_codes and greatest_status on call to exit.
4553 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4555 * reload.c (find_reloads): Refine test for no input reload
4556 case to not includes reloads emitted after insn.
4558 * function.c (find_temp_slots_from_address): Handle sum involving
4559 a register that points to a temp slot.
4560 (update_temp_slot_address): Make recursive call if both old and
4561 new are PLUS with a common operand.
4562 * calls.c (expand_call): Mark temp slot for result as having
4565 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
4567 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
4568 component as well as "BINUTILS".
4570 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
4571 * integrate.c (copy_rtx_and_substitute): Likewise.
4572 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
4573 All callers changed.
4574 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
4576 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
4577 gdb extensions, write size of type; also be more consistent
4578 in using references when this is a subtype.
4580 * pa.md (extv, extzv, insv): Use define_expand to reject constant
4581 that is out of range.
4583 * loop.c (unknown_constant_address_altered): New variable.
4584 (prescan_loop): Initialize it.
4585 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
4586 (invariant_p, case MEM): Remove handling for volatile and readonly;
4587 check new variable if readonly.
4588 (check_dbra_loop): Chdeck unknown_constant_address_altered.
4590 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
4591 (addr_affects_sp_p): Removed from note_mem_written and only
4592 define #ifdef AUTO_INC_DEC.
4594 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
4596 * regclass.c (record_reg_classes): Properly handle register move
4599 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
4600 Don't think valid if both operands are invalid.
4601 (struct constant_descriptor): New field RTL.
4602 (mark_const_hash_entry): Mark it.
4603 (record_constant{,_rtx}): Initialize it.
4604 (output_constant_def): Allocate RTL in permanent obstack and
4606 ({record,compare}_constant_1): Modes must match for
4607 CONSTRUCTOR of ARRAY_TYPE.
4609 * c-common.h (initializer_constant_valid_p): Delete decl from here.
4610 * output.h (initializer_constant_valid_p): Move decl to here.
4611 * c-common.c (initializer_constant_valid_p): Delete function from here.
4612 * varasm.c (initializer_constant_valid_p): Move function to here.
4614 * tree.h (STRIP_SIGN_NOPS): New macro.
4615 * fold-const.c (optimize_minmax_comparison): New function.
4616 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
4617 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
4618 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
4619 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
4620 widening conversions.
4621 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
4622 to look at size of mode, not precision of type; also add missing cases.
4623 (optimize_bit_field_compare, decode_field_reference): Don't try to
4624 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
4626 * dwarf2out.c (ctype.h): Include.
4627 (dwarf2out_set_demangle_name_func): New function.
4628 (size_of_line_info): Deleted.
4629 (output_line_info): Compute size of line info table from difference
4631 (base_type_die, add_name_attribute): Call demangle function, if any.
4632 (field_byte_offset): Use bits per word for variable length fields.
4633 (gen_array_type_die): Add array name.
4634 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
4635 (dwarf2out_add_library_unit_info): New function.
4637 * explow.c (set_stack_check_libfunc): New function.
4638 (stack_check_libfunc): New static variable.
4639 (probe_stack_range): Allow front-end to set up a libfunc to call.
4641 * combine.c (simplify_comparison): When making comparison in wider
4642 mode, check for having commuted an AND and a SUBREG.
4643 (contains_muldiv): New function.
4644 (try_combine): Call it when dividing a PARALLEL.
4645 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
4646 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
4648 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
4649 use one of the CLOBBERs instead.
4650 (if_then_else_cond): If comparing against zero, just return thing
4653 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
4654 Don't generate shifts and subtract if have conditional arithmetic.
4656 * rtl.h (delete_barrier): New declaration.
4657 * jump.c (jump_optimize): Set up to handle conditional call.
4658 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
4659 (delete_barrier): New function.
4661 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
4663 * recog.c (nonmemory_operand): Accept ADDRESSOF.
4665 * tree.c (build_type_attribute_variant): Push to obstack of
4666 ttype around type_hash_canon call.
4668 * expr.c (placeholder_list): Move decl to file scope.
4669 (expand_expr): Don't force access to volatile just because its
4671 If ignoring reference operations, just expand the operands.
4672 (expand_expr, case COMPONENT_REF): Propagate
4673 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
4674 Refine test for using bitfield operations vs pointer punning.
4675 (expand_expr, case CONVERT_EXPR): If converting to
4676 BLKmode UNION_TYPE from BLKmode, just return inner object.
4677 Use proper mode in store_field call.
4678 Properly set sizes of object to store and total size in store_field
4679 call for convert to union.
4680 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
4681 memory (like for ADDR_EXPR). Also, don't put constant in register if
4682 we'll want it in memory.
4683 (readonly_fields_p): New function.
4684 (expand_expr, case INDIRECT_REF): Call it if LHS.
4685 (expand_assignment): Handle a RESULT_DECL where
4686 DECL_RTL is a PARALLEL.
4687 (do_jump, case WITH_RECORD_EXPR): New case.
4688 (get_inner_reference): Always go inside a CONVERT_EXPR
4689 and NOP_EXPR if both modes are the same.
4690 (store_field): Use bitfield operations if size of bitsize is not same
4691 as size of RHS's type.
4692 Check for bitpos not a multiple of alignment in BLKmode case.
4693 Do block move in largest possible alignment.
4694 (store_constructor): Set BITSIZE to -1 for variable size and properly
4695 in case of array of BLKmode.
4696 (expand_expr_unaligned): New function.
4697 (do_compare_and_jump): Call it.
4699 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
4700 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
4701 does not include 'o'.
4703 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
4704 both SET_DEST and SET_SRC reference a virtual register.
4705 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
4707 * integrate.c (expand_inline_function): Handle case of setting
4708 virtual stack vars register (from built in setjmp); when parameter
4709 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
4710 (subst_constant): Add new parm, MEMONLY.
4711 (expand_inline_function, integrate_parm_decls): Pass new parm.
4712 (integrate_decl_tree): Likewise.
4713 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
4714 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
4715 (copy_rtx_and_substitute, case SET): Add explicit calls to
4716 copy_rtx_and_substitute for both sides.
4718 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
4720 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
4721 within INDEX_TYPE, instead of before.
4722 (fixup_gotos): Use f->target_rtl, not the next insn,
4723 since latter may be from a later fixup.
4724 (expand_value_return): Correctly convert VAL when promoting function
4725 return; support RETURN_REG being a PARALLEL.
4726 (expand_return): When checking for result in regs and having
4727 cleanup, consider PARALLEL in DECL_RTL as being in regs.
4729 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
4731 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
4732 last_nominal_fname): Mark const.
4733 (struct include_hash: name, nshort, control_macro): Mark
4735 (struct macrodef: symnam): Mark const.
4736 (struct if_stack: fname): Mark const.
4737 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
4738 (IStable): New character-syntax array which encompasses all
4739 the old is_foo arrays.
4740 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
4741 is_space): New macros for interrogating IStable.
4742 (check_macro_name): Kill last argument. All callers changed.
4744 * cppinit.c (initialize_char_syntax): Delete.
4745 (is_idchar, is_idstart, is_hor_space, is_space,
4746 trigraph_table): Delete.
4747 (IStable): New. Initialize with clever macros to avoid
4748 information duplication.
4749 (builtin_array): Table of builtins to get rid of explicit list
4750 in initialize_builtins.
4751 (initialize_builtins): Use builtins_array.
4752 (cpp_start_read): Call init_IStable, and set IStable['$'] if
4753 opts->dollars_in_ident.
4755 * cppexp.c: Change all refs to is_xyz[] arrays to use new
4757 (cpp_parse_expr): Avoid 'format string is not constant'
4758 warning. Use ISGRAPH to identify printable chars.
4759 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
4761 (read_and_prescan): Map trigraphs to chars with open-coded
4762 if-else-if-... sequence, not a lookup table.
4763 * cpphash.c: Change all refs to is_xyz[] arrays to use new
4765 * cpplib.c: Change all refs to is_xyz[] arrays to use new
4766 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
4767 (check_macro_name): Remove ability to report an invalid
4768 assertion name, which is never used.
4769 (do_line): Constify a couple of char *'s.
4770 * cppmain.c (main): Call cpp_cleanup before returning.
4772 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
4774 * ggc.h (struct ggc_statistics): New type.
4775 (ggc_get_size): New function.
4776 (ggc_print_statistics): Likewise.
4777 * ggc-common.c (ggc_stats): New variable.
4778 (ggc_mark_rtx_children): Keep statistics.
4779 (ggc_mark_tree_children): Likewise.
4780 (ggc_print_statistics): New function.
4781 * ggc-page.c (struct globals): Add bytes_mapped field.
4782 (alloc_anon): Update it.
4783 (release_pages): Likewise.
4784 (ggc_get_size): New function.
4785 (ggc_page_print_statistics): New function.
4786 * ggc-simple.c (ggc_get_size): New function.
4788 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
4790 * flow.c (propagate_block): When the last reference to a label
4791 before an ADDR_VEC is deleted because the reference is a dead
4792 store, delete the ADDR_VEC.
4794 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
4796 * resource.c (find_free_register): Don't use the frame pointer
4797 if frame_pointer_needed.
4799 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
4801 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
4802 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
4804 * config/i960/i960.c (i960_va_start): New locals base, num.
4805 Use INDIRECT_REF instead of ARRAY_REF on valist.
4806 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
4808 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
4810 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
4812 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
4814 * tree.def (PLACEHOLDER_EXPR): Update comments.
4816 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4818 * c-common.c (check_format_info): Avoid non-literal format string
4819 warnings when `first_arg_num' is zero.
4821 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4823 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
4825 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
4827 * arm.md (casesi_insn): Add a clobber of the condition code
4830 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
4832 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
4833 used by both cc1 and cc1plus.
4835 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
4837 * config/arm/arm.c: Initialise arm_structure_size_boundary to
4838 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
4839 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
4840 to the value 32 if it has not already been defined.
4841 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
4842 Override definition in arm.h with a value of 8.
4844 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
4846 * c-pragma.c (push_alignment): Don't check the return value
4849 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
4851 * sparc.h (ADJUST_COST): Fix thinko.
4853 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
4855 * cccp.c (rescan): Fixed obp pointer handling around call to
4856 check_expand subroutine.
4858 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
4860 * gcse.c (delete_null_pointer_checks): Only record non-null info
4861 for pseudos when examining stores.
4863 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
4864 splitters for these patterns. Use "#" for output templates.
4865 (addsi3_carryin_shift): New pattern.
4867 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
4869 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
4870 of the function return register into a plain REG until
4871 after function inlining is done.
4873 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
4875 * jump.c (jump_optimize_1): If we did cross-jumping, and
4876 the data will matter, rebuild the CFG.
4877 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
4878 not optimizing. Don't run shorten_branches.
4879 * toplev.c (rest_of_compilation): Run shorten_branches after
4882 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
4884 * rtl.h (note_stores): Add additional paramter.
4885 * rtlanal.c (reg_set_p_1): Take additional paramter.
4886 (reg_set_last_1): Likewise.
4887 (reg_set_p): Adjust call to note_stores.
4888 (reg_set_last): Likewise.
4889 (note_stores): Pass data parameter to worker function.
4890 * alias.c (record_set): Take additional parameter.
4891 (init_alias_analysis): Pass it.
4892 * caller-save.c (mark_set_regs): Take additional parameter.
4893 (save_call_clobbered_regs): Pass NULL to note_stores.
4894 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
4896 (record_dead_and_set_regs_1): Likewise.
4897 (reg_dead_at_p_1): Likewise.
4898 (combine_instructions): Adjust calls to note_stores.
4899 (try_combine): Likewise.
4900 (record_dead_insn): Remove.
4901 (record_dead_and_set_regs): Adjust calls to note_stores.
4902 (reg_dead_at_p): Likewise.
4903 * cse.c (invalidate_skipped_set): Take additional parameter.
4904 (cse_check_loop_start): Likewise.
4905 (cse_check_loop_start_value): Remove.
4906 (cse_set_around_loop): Adjust calls to note_stores.
4907 * flow.c (notice_stack_pointer_modification): Take additional
4908 parameter. Remove duplicate declaration.
4909 (record_volatile_insns): Adjust calls to note_stores.
4910 * gcse.c (record_set_info): Take additional parameter.
4911 (record_last_set_info): Likewise.
4912 (invalidate_nonnull_info): Likewise.
4913 (record_set_insn): Remove.
4914 (compute_sets): Adjust calls to note_stores.
4915 (last_set_insn): Remove.
4916 (compute_hash_table): Adjust calls to note_stores.
4917 (insert_insn_end_bb): Likewise.
4918 (delete_null_pointer_checks): Likewise.
4919 * global.c (mark_reg_store): Take additional parameter.
4920 (mark_reg_clobber): Likewise.
4921 (reg_becomes_live): Likewise.
4922 (global_conflicts): Adjust calls to note_stores.
4923 (build_insn_chain): Likewise.
4924 * integrate.c (note_modified_parmregs): Take additional parameter.
4925 (mark_stores): Likewise. Make it static.
4926 (save_for_inline_nocopy): Adjust calls to note_stores.
4927 (try_constants): Likewise.
4928 * integrate.h (mark_stores): Remove declaration.
4929 * jump.c (mark_modified_reg): Take additional parameter.
4930 (thread_jumps): Adjust calls to note_stores.
4931 * local-alloc.c (validate_equiv_mem_from_store): Take additional
4933 (no_equiv): Likewise.
4934 (reg_is_set): Likewise.
4935 (validate_equiv_mem): Adjust calls to note_stores.
4936 (update_equiv_regs): Likewise.
4937 (block_alloc): Likewise.
4938 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
4939 (note_addr_stored): Take additional parameter.
4940 (note_set_pseudo_multiple_uses): Likewise.
4941 (record_initial): Likewise.
4942 (prescan_loop): Adjust calls to note_stores.
4943 (strength_reduce): Likewise.
4944 (check_dbra_loop): Likewise.
4945 * regmove.c (flags_set_1): Take additional paramter.
4946 (mark_flags_life_zones): Adjust calls to note_stores.
4947 * reload1.c (mark_not_eliminable): Take additional parameter.
4948 (forget_old_reloads_1): Likewise.
4949 (reload_cse_invalidate_rtx): Likewise.
4950 (reload_cse_check_clobber): Likewise.
4951 (reload_combine_note_store): Likewise.
4952 (move2add_note_store): Likewise.
4953 (reload): Adjust calls to note_stores.
4954 (reload_as_needed): Likewise.
4955 (emit_reload_insns): Likewise.
4956 (reload_cse_regs_1): Likewise.
4957 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
4958 (reload_combine): Adjust calls to note_stores.
4959 * resource.c (update_live_status): Take additional paramter.
4960 (mark_target_live_regs): Adjust calls to note_stores.
4961 * stupid.c (find_clobbered_regs): Take additional parameter.
4962 (stupid_life_analysis): Adjust calls to note_stores.
4964 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
4966 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
4969 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
4972 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
4973 of the variable arm_structure_size_boundary.
4975 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
4977 * alias.c (init_alias_analysis): Allocate reg_known_value and
4978 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
4980 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
4981 * cse.c (cse_main): Call end_alias_analysis.
4982 * haifa-sched.c (schedule_insns): Likewise.
4983 * local-alloc. (update_equiv_regs): Likewise.
4984 * reload1.c (reload_cse_regs): Likewise.
4986 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4988 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
4989 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
4990 mapping from MASK_FPU.
4992 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
4994 * sparc.md (call): Don't bound structure return size to 0xfff.
4996 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
4998 * resource.c (mark_target_live_regs): Check that the target
4999 insn wasn't created after compute_bb_for_insn.
5001 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
5003 * ggc-page.c (poison_pages): Don't be overzealous.
5005 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
5007 * alias.c: Update comments for ADDRESS.
5008 (nonlocal_reference_p): Look inside the ADDRESS to determine if
5009 it is a local memory reference.
5011 * c-typeck.c (build_function_call): Check that the built-in
5012 function is of class BUILT_IN_NORMAL before trying to recongize
5014 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
5015 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
5017 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
5019 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
5021 (pre_gcse): Likewise.
5022 (hoist_expr_reaches_here_p): Likewise.
5023 (hoist_code): Likewise.
5024 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
5026 (pre_expr_reaches_here_p_work): ... here.
5027 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
5029 (expr_reaches_here_p_work): ... here.
5031 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
5033 * resource.c (find_basic_block): Delete.
5034 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
5035 (init_resource_info): Call compute_bb_for_insn.
5037 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
5039 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
5040 with already adjacent blocks, but no fallthru.
5041 (merge_blocks_move_successor_nojumps): Simplify.
5042 (debug_flow_info): New.
5044 * toplev.c (rest_of_compilation): Open jump1 dump file before
5045 jump and close after, as opposed to just using dump_rtl.
5047 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
5049 * reload.h (earlyclobber_operand_p): Declare.
5050 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
5051 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
5052 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
5053 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
5055 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
5056 Richard Henderson <rth@cygnus.com>
5058 * emit-rtl.c (emit_block_insn_before): New.
5059 (emit_block_insn_after): New.
5060 * basic-block.h: Declare them.
5062 * bitmap.h: Protect from multiple inclusion.
5064 * recog.c (scratch_operand): Handle VOIDmode correctly.
5066 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
5068 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
5069 * function.c (assign_parms): Likewise.
5070 * global.c (global_conflicts): Clarify STACK_REGS commentary.
5072 * reg-stack.c (max_uid): Remove.
5073 (blocks, block_begin, block_end, block_drops_in): Remove.
5074 (block_stack_in, block_out_reg_set, block_number): Remove.
5075 (struct block_info_def, BLOCK_INFO): New.
5076 (enum emit_where): New.
5077 (current_block): New.
5078 (BLOCK_NUM): Remove.
5079 (mark_regs_pat, record_label_references): Remove.
5080 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
5082 (goto_block_pat, print_blocks, dump_stack_info): Remove.
5083 (reg_to_stack): Simplified test for existance of fp code. Use
5084 flow.c code. Call shorten_branches after cross-jump opt.
5085 (check_asm_stack_operands): Renamed from record_asm_reg_life.
5086 Return false if the asm doesn't use stack regs. Don't do life
5087 analysis on the asm.
5088 (emit_pop_insn): Replace function pointer arg `when' with
5089 enum `where'. Update all callers.
5090 (change_stack): Likewise. Update basic block end.
5091 (emit_swap_insn): Use current_block->head to limit reverse search
5092 for start of block. Use emit_block_insn_after.
5093 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
5094 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
5095 structure assignment instead of bcopy.
5097 (convert_regs_entry, convert_regs_exit): New.
5098 (convert_regs_1, convert_regs_2): Split out from convert_regs.
5099 Work on basic blocks and the CFG.
5100 (convert_regs): Use them.
5102 * i386.c (output_fix_trunc): Remove code for DImode input operand
5103 not at top-of-stack.
5104 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
5106 (fix_truncdi_1): Allow any mode scratch.
5108 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
5110 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
5111 * linux.h, netbsd.h, vms.h: Not here.
5113 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
5115 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
5116 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
5117 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
5118 CONDITIONAL_REGISTER_USEAGE): Use them.
5119 * config/mips/mips.c (mips_move_1word,mips_move_2words,
5120 gen_conditional_branch,override_options) : Use them.
5121 * config/mips/mips.md : Use them.
5123 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
5125 * i386.md (zero_extendqihi2): Use SImode register name with andl.
5127 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
5129 * integrate.c (function_cannot_inline_p): Don't allow inlining
5132 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5134 * c-parse.in (cast_expr): Constify.
5136 * cccp.c (special_symbol): Likewise.
5138 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
5140 * dwarf2out.c (base_type_die): Likewise.
5142 * global.c (allocno_compare): Likewise.
5144 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
5146 * regclass.c (fix_register): Likewise.
5148 * rtl.h (fix_register): Likewise.
5150 * stupid.c (stupid_reg_compare): Likewise.
5152 * toplev.c (decode_f_option): Likewise.
5154 * tree.c (build_complex_type): Likewise.
5156 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
5158 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
5160 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5162 * reload.c (find_reloads): Compute mode and nregs fields of all
5164 * reload1.c (calculate_needs_all_insns): Simplify a bit.
5165 (calculate_needs): Use precomputed mode/nregs values.
5166 (allocate_reload_reg): Likewise.
5168 (failed_reload, set_reload_reg): ... new functions.
5169 (choose_reload_regs_init): New function, mostly broken out from...
5170 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
5171 Also lose one #if 0 block.
5173 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
5175 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
5178 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
5180 * tree.h (BLOCK_TYPE_TAGS): Remove.
5181 (BLOCK_END_NOTE): Likewise.
5182 (BLOCK_LIVE_RANGE_FLAG): Likewise.
5183 (BLOCK_LIVE_RANGE_START): Likewise.
5184 (BLOCK_LIVE_RANGE_END): Likewise.
5185 (tree_block): Remove live_range_flag, live_range_var_flag, and
5186 type_tags. Remove end_note, live_range_start, and live_range_end.
5187 (remember_end_note): Remove prototype.
5188 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
5189 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
5191 * ggc-common.c (ggc_mark_tree_children): Don't mark
5192 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
5193 * integrate.c (adjust_copied_decl_tree): Remove.
5194 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
5195 * stmt.c (last_block_end_note): Remove.
5196 (init_stmt): Don't add a GC root for it.
5197 (expand_fixup): Don't set it.
5198 (remember_end_note): Remove.
5199 (expand_end_bindings): Don't set last_block_end_note.
5201 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5203 * reload1.c (reload_reg_free_for_value_p): Show
5204 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
5207 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
5209 * expmed.c (extract_bit_field): Allow for the case of non-integer
5210 objects that are smaller than a word (like SFmode on a 64-bit
5213 * loop.c (basic_induction_var): A non-integer variable which is
5214 being set by a paradoxical subreg is probably not a biv.
5216 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5218 * prefix.c (translate_name) Check for empty prefix string.
5220 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
5222 * Makefile.in (CPP_CROSS_NAME): New variable.
5223 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
5225 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
5226 names of the files to be uninstalled.
5228 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
5230 * collect2.c (IS_DIR_SEPARATOR): Define.
5231 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
5233 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
5236 * haifa-sched.c (add_dependence): Update the true dependency
5237 cache the first time we add a true dependence to the LOG_LINKS chain.
5239 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
5241 * fold-const.c (fold): Fix comment.
5243 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5245 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
5246 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
5247 dbxout_start_new_source_file, dbxout_source_file,
5248 dbxout_source_line, dbxout_finish, dbxout_type_fields,
5249 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
5251 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
5252 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
5253 (dbxout_block): Initialize variable `blocknum'.
5255 * dbxout.h (dbxout_init, dbxout_finish,
5256 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
5257 dbxout_args, dbxout_source_line): Constify a char*.
5259 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
5260 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
5261 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
5262 low_pc_attribute, high_pc_attribute, body_begin_attribute,
5263 body_end_attribute, comp_dir_attribute, sf_names_attribute,
5264 src_info_attribute, mac_info_attribute, producer_attribute,
5265 lookup_filename, generate_macinfo_entry, fundamental_type_code,
5266 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
5267 dwarfout_undef): Constify a char*.
5268 (add_incomplete_type, retry_incomplete_types): Add prototypes.
5270 * dwarfout.h (dwarfout_define, dwarfout_undef,
5271 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
5273 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
5275 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
5276 (MULTILIB_ISA_DEFAULT): New.
5277 (MULTILIB_DEFAULTS): Use it.
5278 * config/mips/mips.c (): Remove the now unnecessary definition
5279 of MIPS_ISA_DEFAULT.
5280 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
5281 unnecessary definition.
5283 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
5285 * arm.md (pic_load_addr): Add constraints to operand 1.
5287 1999-10-25 Bruce Korb <autogen@linuxbox.com>
5289 * fixinc/genfixes: Provide a means for specifying -D options to
5292 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
5294 * arm.c (arm_override_options): Correct initialization of
5295 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
5296 arm_is_strong, and arm_is_6_or_7.
5298 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
5299 (note_set_pseudo_multiple_uses): New function.
5300 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
5301 if a pseudo set in the loop exit is used elsewhere.
5303 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
5305 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
5307 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
5309 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
5310 a single load-address pattern.
5312 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
5314 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
5315 depending on whether or not line-number notes are present.
5317 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5319 * cccp.c (progname, file_buf, default_include, include_file,
5320 macrodef, definition, hashval, wchar_type, user_label_prefix,
5321 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
5322 expand_to_temp_buffer, is_system_include, base_name,
5323 absolute_filename, read_name_map, open_include_file,
5324 record_control_macro, check_precompiled, check_preconditions,
5325 pcfinclude, pass_thru_directive, create_definition,
5326 check_macro_name, comp_def_part, collect_expansion,
5327 check_assertion, read_token_list, assertion_install,
5328 assertion_lookup, eval_if_expression, conditional_skip,
5329 validate_else, skip_quoted_string, quote_string, macarg1,
5330 error_from_errno, install, lookup, hashf, dump_defn_1,
5331 perror_with_name, pfatal_with_name, main, trigraph_pcp,
5332 check_white_space, rescan, handle_directive, monthnames,
5333 special_symbol, do_include, remap_include_file, write_output,
5334 arglist, do_assert, do_unassert, do_line, do_error, do_once,
5335 do_ident, do_sccs, do_xifdef, skip_if_group,
5336 output_line_directive, macroexpand, macarg, change_newlines,
5337 initialize_builtins, make_definition): Constify a char*.
5339 * pcp.h (stringdef): Likewise.
5341 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
5343 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
5346 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
5347 Richard Henderson <rth@cygnus.com>
5349 * alias.c: Include ggc.h.
5350 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
5351 (record_set): Verify enough room in reg_base_value.
5352 (init_alias_analysis): Allocate reg_base_value with xcalloc.
5353 Register it as a GC root.
5354 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
5355 * Makefile.in (alias.o): Depend on ggc.h.
5357 * unroll.c (unroll_loop): Verify the insn before a barrier
5358 is a JUMP_INSN before checking JUMP_LABEL.
5360 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5362 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
5363 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
5364 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
5365 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
5366 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
5367 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
5369 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5371 * output.h (ctors_section, dtors_section, bss_section): Prototype.
5373 * alpha/alpha-interix.h (text_section): Delete prototype.
5374 * alpha/elf.h (text_section): Likewise.
5375 * arm/linux-elf.h (text_section): Likewise.
5376 * arm/linux-telf.h (text_section): Likewise.
5377 * c4x/c4x.h (text_section): Likewise.
5378 * dsp16xx/dsp16xx.h (bss_section): Likewise.
5379 * elfos.h (text_section): Likewise.
5380 * i386/aix386ng.h (text_section): Likewise.
5381 * i386/i386-interix.h (text_section): Likewise.
5382 * i386/sco5.h (text_section): Likewise.
5383 * i386/svr3gas.h (text_section): Likewise.
5384 * nextstep.h (text_section): Likewise.
5385 * psos.h (text_section): Likewise.
5386 * ptx4.h (text_section): Likewise.
5387 * svr3.h (text_section): Likewise.
5388 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
5390 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5392 * final.c (peephole): Delete prototype.
5394 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
5395 (pre_insert_copies): Remove unused variable `bb'.
5397 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
5400 * output.h (peephole): Add prototype.
5402 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
5404 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
5407 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
5409 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
5410 for inlined declarations.
5412 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
5414 * arm.c (logical_binary_operator): New fucntion.
5415 * arm.h (logical_binary_operator): Declare it.
5416 (PREDICATE_CODES): Handle logical_binary_operator.
5417 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
5418 output constraints. Add appropriate splitters.
5419 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
5420 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
5421 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
5423 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5425 * genoutput.c (struct operand_data): New elt eliminable.
5426 (output_operand_data): Write it.
5427 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
5428 (compare_operands): Take it into account.
5429 * recog.h (struct insn_operand_data): New elt eliminable.
5430 * reload1.c (check_eliminable_occurrences, elimination_effects): New
5432 (old_asm_operands_vec, new_asm_operands_vec): Delete.
5433 (eliminate_regs): Move code that detects changes to elimination
5434 target regs into new function elimination_effects.
5435 Delete one #if 0 block.
5436 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
5437 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
5438 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
5439 Only call eliminate_regs for real operands of the insn, not for parts
5440 of its structure or parts matched by things like match_operator.
5441 Use elimination_effects and check_eliminable_occurrences. Use
5442 copy_insn to duplicate the pattern when not in the final pass.
5444 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
5446 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
5449 1999-10-22 Bruce Korb <autogen@linuxbox.com>
5451 * fixinc/README: document the "mach" machine matching test
5452 * fixinc/fixfixes.c: Implement the #else/#endif label fix
5453 * fixinc/fixtests.c: Implement the #else/#endif label test
5454 * fixinc/inclhack.def: utilize these tests and fixes
5455 * fixinc/inclhack.sh: regen
5456 * fixinc/fixincl.x: regen
5457 * fixinc/fixincl.sh: regen
5459 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
5461 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
5464 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
5466 * gcc.1: Document exit codes.
5468 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5470 * calls.c: Include tm_p.h later, so everything we need is defined.
5472 * function.c: Likewise.
5474 * except.c: Include tm_p.h.
5476 * sparc.c: Likewise.
5477 (dwarf2out_cfi_label): Don't prototype.
5478 (check_return_regs, epilogue_renumber,
5479 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
5480 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
5481 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
5482 ultra_schedule_insn): Add static prototype.
5483 (data_segment_operand, text_segment_operand): Call itself with the
5484 proper number of arguments.
5485 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
5487 * sparc.h: Move all declarations to sparc-protos.h.
5488 (SELECT_RTX_SECTION): Pass a missing MODE argument to
5491 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
5493 * config/svr4.h (text_section, ctors_section, dtors_section): Add
5495 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
5496 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
5497 ASM_OUTPUT_ASCII): Constify a char*.
5499 * sparc-protos.h: New file for sparc prototypes.
5501 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5503 * function.c (record_insns, contains): Always declare and define.
5504 (record_insns): Mark with ATTRIBUTE_UNUSED.
5506 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
5508 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
5509 to .section when outputting a .bss section to deal with multiple
5510 .bss input sections (as happens with -fdata-sections)
5511 Also output %progbits, not @progbits so the assembler doesn't treat as
5513 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
5515 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
5516 thumb parts even when building with non-thumb CPUs, by forcing
5519 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
5521 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
5522 (movdf_const_intreg_sp64): Similarly.
5524 * local-alloc.c (update_equiv_regs): Check the correct insn
5525 for pre-existing REG_EQUIV notes.
5527 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
5529 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
5530 block reached by a branch if we're not going to actually process
5533 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
5535 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
5536 a local extern function declaration.
5538 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
5540 * i386.c (ix86_expand_prologue): Properly wrap USE around
5541 reg for CALL_INSN_FUNCTION_USAGE.
5543 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
5545 * config/mips/mips.md (movdf_internal1a): Allow floating-point
5546 move between GP_REGs.
5548 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
5550 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
5551 the mode size when finding out if an offset is legal.
5553 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
5555 * basic-block.h (PROP_*): Move constants from ...
5557 (compute_bb_for_insn): Free the array before reallocating.
5558 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
5559 (allocate_reg_life_data): Reset all reg variables collected by
5561 (get_block_head_tail): Don't convert from bb to block.
5562 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
5563 (find_insn_reg_weight): Take block not bb.
5564 (schedule_block): Don't set block num for moved insns.
5565 (schedule_region): Don't update_life_info or find_insn_reg_weight.
5566 (schedule_insns): Do it here instead.
5567 * combine.c (combine_instructions): Invoke compute_bb_for_insn
5568 before update_life_info.
5569 * recog.c (split_all_insns, peephole2_optimize): Update for
5570 new arg to update_life_info.
5571 * rtlanal.c (remove_note): Cope with NULL note.
5572 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
5575 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
5577 * jump.c (jump_optimize_1): More accurately detect casesi insns.
5579 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
5580 block records so that merge_blocks_nomove will clean up correctly.
5581 (split_edge): Handle casesi insns.
5583 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
5585 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
5587 * pa.md (call, call_value): Do not emit a blockage after restoring
5590 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
5592 * c-typeck.c (c_expand_asm_operands): Fix typo.
5594 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5596 * arm.c (fpu_rhs_operand): Verify modes.
5597 (fpu_add_operand): Likewise.
5598 (di_operand): Likewise.
5599 (soft_df_operand): Likewise.
5601 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
5603 * arm.c (arm_return_in_memory): APCS rules state that the elements
5604 of a structure returned in a register must be 'integer-like'.
5606 1999-10-19 Bruce Korb <autogen@linuxbox.com>
5608 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
5609 in the source tree when the generated targets are out of date
5610 * fixinc/genfixes: Alter it to run individual fixes for make.
5611 * fixinc/README: rewrite
5612 * fixinc/inclhack.def: moved initial comments to README
5614 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
5616 * toplev.c (main): Do not generate an error message if an
5617 unrecognised command line switch is recognisable by another
5618 language. If extra_warnings are enabled, then generate a
5619 warning message instead.
5621 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
5623 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
5624 (insert_pack_attributes): Delete prototype.
5626 * c-pragma.c (default_alignment): New static variable.
5627 (push_alignment): Initialize to current effective alignment.
5628 (pop_alignment): Use to set new alignment.
5629 (insert_pack_attributes): Delete function.
5630 (handle_pragma_token): Set default_alignment as well each time
5631 a #pragma pack(<n>) is encountered.
5633 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
5635 * reg-stack.c (stack_result): Aggregates are not returned in
5638 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
5640 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
5642 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
5644 * basic-block.h (set_block_num): Declare.
5645 * flow.c (update_life_info): Don't call compute_bb_for_insn
5646 or free_basic_block_vars.
5647 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
5648 (insn_orig_block): Remove.
5649 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
5650 (schedule_block): Keep BLOCK_NUM up-to-date.
5651 (schedule_insns): Use compute_bb_for_insn.
5652 * recog.c (split_all_insns): Likewise.
5653 (peephole2_optimize): Likewise.
5655 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
5657 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
5658 if the pic register is used.
5660 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5662 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
5663 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
5664 if that tests TREE_PERMANENT.
5666 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
5668 * cse.c (invalidate_for_call): Do not remove memory references from
5669 the table here. It's handled elsewhere.
5671 * haifa-sched.c (add_dependence): Protect references to the
5672 true dependency cache with #ifdef INSN_SCHEDULING.
5673 (remove_dependence): Similarly.
5675 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
5676 to the cfg code that this is a return instruction.
5677 * mn10300.md (return_internal): Similarly.
5679 * combine.c (get_last_value): If the last set of a register
5680 is after subst_low_cuid, then we can not use it to determine
5681 the register's last value.
5683 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
5685 * Makefile.in: Back out previous change.
5687 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
5689 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
5691 * haifa-sched.c (add_dependence): Only check/update the cache
5693 (remove_dependence): Likewise.
5694 (schedule_insns): Only create the true_dependency_cache if the
5695 average number of instructions in a basic block is very large.
5697 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
5699 * Makefile.in (ggc-common.o): Depend on genrtl.h.
5700 (ggc-simple.o): Likewise.
5701 (ggc-page.o): Likewise.
5703 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
5705 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
5706 Prototype for exported functions.
5707 (pre_lcm, pre_rev_lcm): Remove prototypes.
5708 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
5709 (compute_available): Move to lcm.c, and change parameter order.
5710 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
5711 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
5712 (gcse_main): No longer call compute_preds_succs. Rebuild the
5713 set table after reach pre pass.
5714 (pre_insert_map, pre_delete_map, edge_list): New.
5715 (alloc_pre_mem): Allocate edge vectors.
5716 (free_pre_mem): Delete edge vectors.
5717 (compute_pre_data): Call new edge based lcm routines.
5718 (process_insert_insn): New function.
5719 (insert_insn_end_bb): Use it.
5720 (pre_edge_insert): New function.
5721 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
5723 (pre_insert_copies): Revamp using new edge based lcm outputs.
5724 (pre_delete): Likewise.
5725 (one_pre_gcse_pass): Insert & remove fake edges to the exit
5727 (compute_code_hoist_vbeinout): New new edge based routines.
5728 * lcm.c: Remove all the old LCM functions. Replace with new ones
5729 that work with the new cfg datastructures and work with edges
5732 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5734 * reload.h (struct reload): Add new fields "mode" and "nregs".
5735 * reload1.c: Change all occurrences of reload_mode and reload_nregs
5736 to reference the "mode" and "nregs" field within struct reload.
5738 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
5740 * haifa-sched.c (true_dependency_cache): New.
5741 (add_dependence): Use the true dependency cache to avoid expensive
5742 walks down the LOG_LINKS dependency list. Add entries to the
5744 (remove_dependence): Remove entries from the true dependency cache
5746 (schedule_insns): Allocate and initialize and free the true
5749 * haifa-sched.c (schedule_insns): Do not remove inter-block
5750 dependencies anymore.
5752 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
5754 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
5755 * i386/t-winnt: Likewise.
5757 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
5759 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
5761 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
5763 * Makefile.in (LANGUAGES): Omit "proto".
5764 (clean): Remove stale comment about removing unprotoize.c.
5766 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5768 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
5769 using arithmetic on void pointers.
5771 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
5773 * haifa-sched.c (compute_block_forward_dependencies): Only check
5774 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
5776 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
5778 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
5779 (expr_equiv_p): Reject memories with different alias sets.
5781 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
5783 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
5784 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
5785 (f_options): Add "bounded-pointers" and "bounds-check" entries.
5786 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
5787 (lang_init): Set default for flag_bounds_check if still "unspecified".
5789 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5791 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
5793 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5795 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
5798 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5800 * config/c4x/c4x.md (*db_noclobber,
5801 *decrement_and_branch_until_zero_noclobber): New patterns and
5802 associated splitters.
5804 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5806 * config/c4x/c4x.md (parallel instruction patterns): Rework
5807 constraints to keep reload happy.
5809 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5811 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
5812 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
5813 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
5814 Add new patterns and associated post-reload splitters.
5816 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5818 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
5820 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5822 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
5824 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
5826 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5828 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
5831 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
5833 * pa.c (move_operand): Rely on memory_address_p to determine the
5834 validity of non-indexed memory addresses.
5835 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
5836 operand in DFmode and SFmode when generating PA2.0 code.
5838 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
5840 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
5842 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
5844 * mips.c (function_prologue): Fix argument types.
5845 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
5846 (casesi_internal): Write to the scratch register.
5848 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
5850 * cppexp.c (cpp_parse_escape): Make static. Change second arg
5852 (parse_charconst): Delete unnecessary cast when calling
5854 (cpplib.h): Kill prototype of cpp_parse_escape.
5856 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
5858 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
5859 * unroll.c (unroll_loop): Cast return value of alloca.
5860 * i370/i370.c: Include function.h and toplev.h.
5861 (i370_label_scan): Remove c++ commented abort.
5862 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
5863 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
5864 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
5865 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
5867 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
5869 * config/t-freebsd: Do not override USER_H.
5870 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
5872 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
5873 Mumit Khan <khan@xraylith.wisc.edu>
5875 * c-parse.in (component_decl): Support anonymous struct/union.
5877 * c-parse.y: Regenerate.
5878 * c-parse.c: Likewise.
5879 * objc/objc-parse.y: Likewise.
5880 * objc/objc-parse.c: Likewise.
5881 * c-decl.c (finish_struct): Don't sort the fields.
5882 (field_decl_cmp): Delete unused function.
5884 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
5886 * sparc.md (movsf_const_intreg): Revert last constraint change.
5887 (movdf_const_intreg_sp32): Likewise.
5889 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
5891 * cse.c: Include hashtab.h instead of splay-tree.h
5892 (struct cse_reg_info): No longer use variant union. Add new
5893 field "regno". All references changed to avoid union.
5894 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
5895 (free_cse_reg_info): Remove.
5896 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
5897 (get_cse_reg_info): Revamp to use expandable hash tables instead
5898 of splay trees. Initialize new fields in cse_reg_info structure.
5899 (new_basic_block): Similarly.
5901 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
5903 * genrecog.c (message_with_line): Prototype.
5904 (validate_pattern): Pass along the set for the dest, not a flag.
5905 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
5906 Check for PC/CC0 as sources.
5907 (nodes_identical): Check for children position match before
5908 allowing the combination.
5910 * rtl.c (read_rtx): Track line number across \\\n.
5912 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
5914 * mips.h (SPECIAL_MODE_PREDICATES): New.
5915 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
5916 (movdi+1, movsi+1): Add output reload constraint.
5917 (casesi_internal): Likewise. Fix commentary.
5918 (return_internal): Use pmode_register_operand.
5920 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
5922 * 1750a.md (movstrqi): Add missing output reload constraint.
5923 (call_value): Likewise.
5924 * a29k.md (cpxxx patterns): Add missing match_operator mode.
5925 (jmpfdec): Add missing inout reload constraint.
5926 * elxsi.md (addsi patterns): Add missing output reload constraint.
5927 (move from sp): Use @ alternates.
5928 (call_value): No constraint on output.
5929 * fr30.md (movsi_pop): Add missing output reload constraint.
5930 (movsf_constant_store): Likewise.
5931 (splits): Remove constraints.
5932 (subsi3): Add missing mode.
5933 * i370.md (cmpstrsi+1): Add missing output reload constraint.
5934 (call_value): Likewise.
5935 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
5936 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
5937 * m32r.md (movsicc_internal): Add output reload constraint.
5938 (movstrsi_internal): Add inout reload constraints.
5939 * m88k.h (reg_names): Don't declare.
5940 (SPECIAL_MODE_PREDICATES): New.
5941 * m88k.md (*): Use register_operand not reg_or_0_operand
5943 * mn10200.h (PREDICATE_CODES): New.
5944 * ns32k.md (ffs pattern): Add output reload constraint.
5945 * pdp11.md (sob pattern): Add inout reload constraint.
5946 * sh.md (splits): Remove constraints.
5947 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
5948 * v850.md (pattern_is_ok_for_epilogue): Likewise.
5949 * vax.md (jgequ pattern): Add inout reload constraint.
5951 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
5953 * configure.in (djgpp): Revert previous patch.
5954 * configure: Rebuit.
5955 * config/i386/djgpp.h: Revert previous patch.
5957 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
5959 * fixinc/inclhack.def: Restore patch lost during last merge of
5960 "no_bogosity" branch.
5961 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
5963 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
5965 * fixincludes: Add a HPUX 11 fix for inttypes.h.
5966 * fixinc/inclhack.def: Same.
5967 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
5969 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
5971 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
5972 as the base of a PLUS.
5974 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5976 * config/c4x/c4x.md: Define mode for remaining unspec operators.
5977 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
5979 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
5981 * pa.md (post_stw+1): Use pmode_register_operand.
5982 (dcacheflush, icacheflush): Likewise.
5984 * i386.md (movstricthi_1): Allow r/r.
5986 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
5988 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
5989 to (not (and (arg0) (arg1))). Similary for and.
5991 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
5992 fallthrough to associate code.
5993 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
5996 * combine.c (simplify_logical): Convert XOR to IOR if operands have
5997 no bits in common; remove XOR to ROTATE conversion.
5999 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6001 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
6003 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6005 * config/c4x/c4x.c (dst_operand): New.
6006 (PREDICATE_CODES): Update.
6007 * config/c4x/c4x.h (dst_operand): Declare it.
6008 * config/c4x/c4x.md: Define mode for each unspec usage.
6009 (move patterns): Use dst_operand predicate instead of src_operand.
6010 (movqi_update, movqf_update): Delete.
6012 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
6014 * recog.c (pmode_register_operand): New.
6015 * recog.h: Declare it.
6016 * genrecog.c (pred_codes): Likewise.
6017 (special_mode_pred_table): Likewise.
6018 (validate_pattern): Don't warn no mode for address_operand.
6020 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
6021 if the operand is not insn-like.
6023 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
6024 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
6026 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
6028 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
6030 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
6031 instead of general_operand in a SET_DEST. Use const_double_operand
6032 instead of an explicit test against CONST_DOUBLE.
6033 (movsf_const_lo): Add missing register mode.
6034 (goto_handler_and_restore): Add auxiliary test for Pmode.
6035 (flush): Adjust to use address_operand.
6036 (return_sf_no_fpu): Add missing output constraint.
6038 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
6040 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
6041 for call return value.
6042 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
6044 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
6046 * toplev.c (main): Only warn about options for other languages.
6047 * collect2.c (main): Pass -w to sub-gcc.
6049 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
6051 * flow.c (propagate_block): Add call-clobbered registers to
6054 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
6055 zapping mem_set_list.
6056 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
6057 (mark_set_1, mark_used_regs): Likewise.
6059 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
6061 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
6063 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6065 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
6066 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
6067 options. Also add a new item "C-only Warning Options" to the
6070 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
6072 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
6073 from multiple calls.
6075 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
6077 * i386.md (call value patterns): Move to the end of the file.
6078 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
6080 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
6082 * configure.in (djgpp configuration): Define extra_objects..
6083 * configure: Rebuilt.
6084 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
6085 (DTORS_SECTION_ASM_OP): Define.
6086 (INIT_SECTION_ASM_OP): Define.
6087 (FINI_SECTION_ASM_OP): Define.
6088 (DATA_SECTION_ASM_OP): Define.
6089 (TEXT_SECTION_ASM_OP): Define.
6090 (EH_FRAME_SECTION_ASM_OP): Define.
6091 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
6092 (STARTFILE_SPEC): Add crtbegin.o.
6093 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
6094 to here from LINK_COMMAND_SPEC.
6095 (DO_GLOBAL_CTORS_BODY): Define.
6096 (CRTSTUFF_USE_FINI_SECTION): Define
6097 (HAS_INIT_SECTION): Delete.
6099 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
6101 * Makefile.in (all.cross): Depend on xcpp$(exeext).
6103 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
6105 * pa.h (PREDICATE_CODES): New.
6107 * genrecog.c (validate_pattern): Condense the destination
6110 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
6112 * alpha.md (call-1): Supply missing mode for operator.
6113 (*): Add missing output reload constraints. Remove constraints
6116 * i386.h (SPECIAL_MODE_PREDICATES): New.
6117 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
6118 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
6119 (addsi_lea_3): Add missing mode for op 3.
6120 (prologue_set_got, prologue_get_pc): Add missing modes.
6121 (*) Add missing output reload constraints.
6123 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
6125 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
6126 check for member bit-size overflow and use var_size if it occurs.
6127 (layout_record): Use bitsize_int() to define the type size in bits.
6128 Likewise for computation and assignment to DECL_FIELD_BITPOS.
6129 (layout_decl): Likewise when assigning to DECL_SIZE.
6131 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
6133 * genrecog.c (validate_pattern): Typo last change. Verify
6134 that output operands have output reloads.
6136 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
6138 * genrecog.c (special_mode_pred_table): New.
6139 (NUM_SPECIAL_MODE_PREDS): New.
6140 (find_operand): New.
6141 (validate_pattern): New argument `insn'. Warn for assignment to
6142 any predicate accepting non-lvalues. Conditionaly warn for
6143 match_operand without a mode. Try much harder to match source
6144 and destination modes on a set.
6145 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
6147 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
6149 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
6151 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
6153 * combine.c (simplify_logical): Recognize xor pattern that encodes
6156 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6158 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
6161 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
6163 * ggc-page.c (MAP_FAILED): Provide default.
6165 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
6167 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
6168 * sparc.h (PREDICATE_CODES): Update.
6170 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
6172 * alpha.c (some_ni_operand): New.
6173 * alpha-protos.h: Declare it.
6174 * alpha.h (PREDICATE_CODES): Update.
6175 * alpha.md (sXaddq reload insns): Use some_ni_operand
6176 for SET_DEST instead of some_operand.
6178 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
6179 Jim Wilson <wilson@cygnus.com>
6181 * genrecog.c (maybe_both_true_2): Don't compare modes of
6183 (process_tree): Elide peephole2_insns. Invoke simplify_tests
6184 after find_afterward.
6185 (debug_decision_1): Dump next and afterward codes.
6187 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
6189 * rtl.c (dump_and_abort): Remove.
6190 (fatal_with_file_and_line): New.
6191 (fatal_expected_char): New.
6192 (read_rtx_lineno, read_rtx_filename): New.
6193 (read_skip_spaces): Track line number.
6194 (read_name): Use fatal_with_file_and_line.
6195 (read_rtx): Use fatal_expected_char. Track line number.
6196 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
6198 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
6199 if it isn't a CODE_LABEL.
6201 * genattr.c (main): Set read_rtx_filename.
6202 * genattrtab.c (main): Likewise.
6203 * gencodes.c (main): Likewise.
6204 * genconfig.c (main): Likewise.
6205 * genemit.c (main): Likewise.
6206 * genextract.c (main): Likewise.
6207 * genflags.c (main): Likewise.
6208 * genopinit.c (main): Likewise.
6209 * genoutput.c (main): Likewise.
6210 * genpeep.c (main): Likewise.
6212 * genrecog.c (decision_test.u.insn): Add `lineno'.
6213 (pattern_lineno, error_count): New variables.
6214 (message_with_line): New.
6215 (add_to_sequence): Break out checking code to ...
6216 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
6217 (merge_insn): Use message_with_line.
6218 (make_insn_sequence): Use validate_pattern. Record insn lineno.
6219 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
6221 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
6223 * expr.c (store_constructor): Clear union if constructor is empty.
6225 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
6227 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
6228 Add !endian checks. Change %{...} to %(...).
6230 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
6232 * i386.md (*addsi3_cc): Renamed from addcsi3.
6233 (*addsi3_carry): Renamed from addxsi3.
6234 (*subsi3_cc): Renamed from subcsi3.
6235 (*subsi3_carry): Renamed from subxsi3.
6236 (*xorqi_cc_1): Renamed from xorcqi_1.
6237 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
6238 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
6240 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
6242 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
6243 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
6245 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
6247 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
6248 climb up the chain of insns.
6250 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
6252 * genrecog.c (write_subroutine): Careful for null trees.
6253 (process_tree): Don't elide empty functions.
6255 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
6257 * Makefile.in (genrtl.o): Depend on ggc.h.
6258 * configure.in (valloc): Probe for it.
6259 (with-gc): Use ggc-page if valloc present.
6260 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
6261 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
6262 (ggc_alloc_string): Moved from ggc-page.c.
6263 * ggc-none.c (ggc_alloc_obj): New.
6264 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
6265 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
6266 (struct globals): Likewise for dev_zero_fd.
6267 (init_ggc): Likewise for it's initialization.
6268 (ggc_allocated_p): Move careful dereference from ...
6269 (ggc_lookup_page_table): ... here. Delete.
6270 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
6271 (alloc_anon): Use valloc if no mmap.
6272 (release_pages): Use free if using valloc.
6273 (ggc_alloc_obj): Renamed from alloc_obj.
6274 (ggc_set_mark): Renamed from mark_obj.
6275 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
6276 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
6277 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
6278 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
6279 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
6280 (ggc_collect): Use fp printing instead of our own rounding.
6281 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
6282 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
6283 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
6284 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
6285 (struct ggc_string, struct ggc_any): Delete.
6286 (offsetof): Provide default definition.
6287 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
6289 (struct ggc_mem): New, from corpse of ggc_any.
6290 (struct ggc_status): Delete.
6291 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
6292 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
6293 (n_strings_collected, n_anys_collected): Delete.
6294 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
6295 (ggc_alloc_string, ggc_alloc): Delete.
6296 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
6297 (ggc_free_string, ggc_free_any): Delete.
6298 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
6299 (ggc_compare_addresses, ggc_mark_string): Delete.
6300 (ggc_mark_string_if_gcable, ggc_mark): Delete.
6301 (search_data): Delete.
6302 (struct globals): New.
6303 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
6304 (tree_insert, tree_lookup): New.
6305 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
6306 (clear_marks, sweep_objs): New.
6307 (ggc_collect): Gut. Use clear_marks, sweep_objs.
6308 (init_ggc): Set allocated_last_gc.
6309 (ggc_push_context): Gut. Use G.context.
6310 (ggc_pop_context): Likewise.
6311 (ggc_pop_context_1): New.
6312 (debug_ggc_tree): New.
6313 (debug_ggc_balance, tally_leaves): New.
6314 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
6315 (ggc_mark_string_if_gcable): Remove decl.
6316 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
6317 (ggc_mark_rtvec_children): New.
6318 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
6319 (ggc_mark_if_gcable): New decl.
6320 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
6321 (ggc_alloc_tree, ggc_alloc): Likewise.
6322 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
6323 (ggc_alloc_obj): New decl.
6324 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
6325 (ggc_alloc_tree, ggc_alloc): Likewise.
6326 (ggc_set_mark): New decl.
6327 * rtl.h (struct rtx_def): Remove gc_mark.
6328 (struct rtvec_def): Likewise.
6329 * tree.h (struct tree_common): Likewise.
6331 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
6333 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
6334 float_format and thread_file definitions.
6335 * configure: Rebuilt.
6337 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
6339 * extend.texi (Function Names): Document types of function names.
6341 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6343 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
6344 an earlyclobbered output conflict with RELOAD_INPUT reloads.
6346 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
6348 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
6350 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
6352 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
6354 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
6356 * collect2.c (main): Do prelimnary link on AIX if rflag.
6358 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
6360 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
6361 __CTOR_LIST__ in opposite order, which is the correct order for sorted
6363 (__do_global_dtors): similarly for __DTOR_LIST__.
6365 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
6366 Diego Novillo <dnovillo@cygnus.com>
6368 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
6371 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
6373 * fixincl/*: Merged "no_bogosity" branch
6374 * fixincl/fixlib.h: protect against doubly defining t_bool
6375 * fixincl/server.h: protect against doubly defining t_bool
6377 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
6379 * genoutput.c: Include toplev.h.
6381 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
6383 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
6385 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
6386 * configure: Regenerate.
6388 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
6390 * gcse.c (delete_null_pointer_checks): Returns void.
6392 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6394 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
6395 * emit-rtl.c (copy_insn_1): Likewise.
6397 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
6399 * config/mips/mips.c (mips_build_va_list): Correct
6400 TREE_CHAIN setting when hard-float.
6401 (mips_va_start): Use corrected setting.
6402 (mips_va_arg): Likewise. Also pass a tree to build of
6403 POSTINCREMENT_EXPR rather than a naked 'int'.
6405 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
6407 * ggc.h (ggc_push_context): Fix comment.
6408 (ggc_pop_context): Likewise.
6409 (mark_string_if_gcable): Likewise.
6410 * ggc-common.c (ggc_mark_rtx_children): Use
6411 ggc_mark_string_if_gcable.
6412 * ggc-page.c (ggc_lookup_page_table): New function.
6413 (ggc_allocated_p): Likewise.
6414 (mark_obj): Fix formatting.
6415 (ggc_mark_string_if_gcable): New function.
6416 * ggc-simple.c (ggc_allocated_strings): New variable.
6417 (ggc_strings_used): Likewise.
6418 (ggc_compare_addresses): New function.
6419 (ggc_pop_context): Pop the `any' memory too.
6420 (ggc_mark_string_if_gcable): New function.
6421 (ggc_collect): Initialize and tear down ggc_allocated_strings.
6423 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
6425 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
6426 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
6427 * rs6000.c (expand_block_move): Match movstrsi_?reg register
6430 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
6432 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
6433 (sched_reg_live_length, sched_reg_basic_block): Delete.
6434 (current_block_num, bb_live_regs, old_live_regs): Delete.
6435 (dead_notes, struct sometimes): Delete.
6436 (sched_note_set, birthing_insn_p): Delete.
6437 (adjust_priority): Gut useless reg lifetime code.
6438 (create_reg_dead_note, attach_deaths): Delete.
6439 (attach_deaths_insn, new_sometimes_live): Delete.
6440 (finish_sometimes_live): Delete.
6441 (find_pre_sched_live, find_post_sched_live): Delete.
6442 (update_reg_usage): Delete.
6443 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
6444 (schedule_insns): Delete reg lifetime code.
6445 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
6446 (unlink_other_notes): Adjust REG_NOTE commentary.
6447 (reemit_notes): Use REG_SAVE_NOTE.
6448 (schedule_block): Likewise.
6449 (schedule_region): Allocate bitmap of blocks in region. Use
6450 count_or_remove_death_notes. Use update_life_info.
6452 * rtl.h (REG_SAVE_NOTE): New.
6453 * rtl.c (reg_note_name): Update.
6455 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
6457 * combine.c (refresh_blocks, need_refresh): New.
6458 (combine_instructions): Allocate refresh_blocks. Invoke
6459 update_life_info if needed.
6460 (distribute_notes): Mark refresh_blocks instead of installing
6462 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
6463 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
6465 * Makefile.in (recog.o): Depend on basic-block.h.
6467 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
6469 * genrecog.c (add_to_sequence): Thinko last change: delete
6470 shadowing allow_const_int variable.
6472 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6474 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
6475 __GNUC__ and __GNUC_MINOR__.
6477 * gansidecl.h: Likewise.
6483 * toplev.h: Likewise.
6489 * varray.c: Likewise.
6491 * varray.h: Likewise.
6493 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6495 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
6496 use one before a jump table.
6498 * rtl.def (ADDRESS): Change documentation to match reality.
6499 * md.texi: Don't document it.
6500 * gmicro.md (load address pattern): Use 'p' constraint, delete use
6503 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
6505 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
6507 * genrecog.c (add_to_sequence): Move allow_const_int test outside
6508 known predicate block; default allow_const_int true.
6509 (debug_decision_list): New.
6511 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
6513 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
6515 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
6517 * gcse.c (gcse_main): Avoid global optimizations if we have a
6518 large number of basic blocks and the ratio of edges to blocks
6520 (delete_null_pointer_checks): Likewise.
6522 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
6524 * c-common.c (check_format_info): Warn if format string isn't a
6527 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
6529 * configure.in (arm*-*-*): Don't let autoconf remove brackets
6530 * configure: regenerate
6532 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
6534 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
6535 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
6536 (peepholes): Re-enable.
6538 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
6540 * Makefile.in (flow.o): Depend on TREE_H.
6541 * basic-block.h (REG_SET_EQUAL_P): New.
6544 (free_regset_vector): Remove declaration.
6545 (flow_delete_insn_chain): Declare.
6546 (enum update_life_extent): New.
6547 (update_life_info, count_or_remove_death_notes): Declare.
6548 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
6549 Verify register live at bb->global_live_at_start before adding USE.
6550 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
6551 (CLEAN_ALLOCA): New.
6553 (PROP_*): New flags.
6554 (find_basic_blocks_1): Use alloc_EXPR_LIST.
6555 (clear_edges): Zero n_edges.
6556 (make_edge): Increment n_edges.
6557 (split_edge): Don't allocate bb->local_set. Increment n_edges.
6558 (flow_delete_insn_chain): Export.
6559 (delete_block): Decrement n_edges.
6560 (merge_blocks_nomove): Likewise.
6561 (life_analysis): Give life_analysis_1 PROP flags.
6562 (verify_wide_reg_1, verify_wide_reg): New.
6563 (verify_local_live_at_start): New.
6564 (update_life_info): Rewrite to call into propogate_block.
6566 (mark_regs_live_at_end): After reload, if epilogue as rtl,
6567 always mark stack pointer. Conditionally mark PIC register.
6568 After reload, mark call-saved registers, return regsiters.
6569 (life_analysis_1): Accept PROP flags not remove_dead_code.
6570 Call mark_regs_live_at_end before zeroing regs_ever_live.
6571 Use calculate_global_regs_live. Copy global_live_at_end before
6572 calling final propagate_block. Zero reg_next_use on exit.
6573 (calculate_global_regs_live): New.
6574 (allocate_bb_life_data): Don't allocate bb->local_set.
6575 (init_regset_vector, free_regset_vector): Remove.
6576 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
6577 Test flags before every operation. Warn if prologue/epilogue insn
6578 would have been deleted.
6579 (mark_set_regs, mark_set_1): Accept and use FLAGS.
6580 Use alloc_EXPR_LIST.
6581 (mark_used_regs): Accept and use FLAGS, not FINAL.
6582 Remove special handling for RETURN.
6583 (try_pre_increment): Use alloc_EXPR_LIST.
6584 (dump_flow_info): Dump n_edges.
6585 (unlink_insn_chain, split_hard_reg_notes): Remove.
6586 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
6587 (find_insn_with_note, new_insn_dead_notes): Remove.
6588 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
6589 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
6590 (replace_insns): Remove.
6591 (count_or_remove_death_notes): New.
6592 (verify_flow_info): Abort on error after all checks.
6593 (remove_edge): Decrement n_edges.
6594 (remove_fake_edges): Tweek format.
6595 * haifa-sched.c (schedule_insns): Use split_all_insns.
6596 * output.h (update_life_info): Remove declaration.
6597 * recog.c (split_all_insns): From the corpse of split_block_insns,
6598 do the whole function block by block. Use update_life_info.
6599 (recog_last_allowed_insn): New.
6600 (recog_next_insn): Mind it.
6601 (peephole2_optimize): Set it. Walk backwards through blocks.
6602 Use update_life_info.
6603 * rtl.h (update_flow_info, replace_insns): Remove declarations.
6604 (split_all_insns): Declare.
6605 * toplev.c (rest_of_compilation): Thread prologue before flow2.
6606 Use split_all_insns.
6608 * i386.md (or -1 peep2s): Disable.
6610 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
6612 * config/mips/mips.md (movstrsi+[123]) : Combine these into
6613 a single pattern. Scrap the 'd' versions as unnecessary.
6615 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
6616 tablejump_mips162,tablejump_internal4): The operands to a
6617 label_ref must be VOIDmode.
6619 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6621 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
6623 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
6625 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
6627 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
6629 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
6630 cache every function if ggc_p.
6632 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6634 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
6635 instead of copy_rtx. Accept sequences that contain asm statements.
6636 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
6637 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
6638 orig_asm_operands_vector, copy_asm_operands_vector,
6639 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
6641 * rtl.h (copy_insn, copy_insn_1): Declare.
6643 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6645 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
6647 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
6648 arguments to `current_file_function_operand'.
6650 * genrecog.c: Include hard-reg-set.h and resource.h in the
6651 generated output file.
6653 * real.c: Include tm_p.h.
6655 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6657 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
6660 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
6662 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
6663 before the fctiwz insn.
6665 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6666 Mark Mitchell <mark@codesourcery.com>
6668 * tree.c (make_lang_type_fn): New funtion pointer.
6669 (make_lang_type): Call it.
6670 * tree.h (make_lang_type): Declare.
6671 (make_lang_type_fn): Likewise.
6672 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
6674 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
6676 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
6677 make sure that HIGH instructions are copied into BASE_REGS.
6679 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
6681 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
6683 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
6685 * c-decl.c (finish_struct): Use simpler method of
6686 removing elements of a singly-linked list.
6688 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
6690 * alpha.md (peephole2's): Comment out peephole2's that generate
6693 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
6695 * genrecog.c (add_to_sequence): Disable mode check for
6698 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6700 * ggc-simple.c (init_ggc): Set empty_string.
6702 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
6704 * configure.in: Detect mmap. Add --with-gc=foo to select
6705 garbage collector; default to page if mmap available.
6706 * Makefile.in (GGC): Substitute.
6708 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
6710 * c-decl.c (ggc_p): Enable.
6712 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6714 * flow.c (verify_flow_info): Make it extern & unconditionally define.
6716 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
6718 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
6719 string for little-endian-data.
6721 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
6723 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
6724 case somebody tries to compile --enable-checking code with gcc
6727 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
6729 * genrecog.c (add_to_sequence): Verify operand to label_ref is
6732 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
6734 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
6735 * jump.c (jump_optimize_1): Document why.
6737 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6739 * collect2.c (scan_prog_file, scan_libraries): Prototype function
6740 pointers and casts for `int_handler' and `quit_handler'.
6742 * flow.c (verify_flow_info, split_hard_reg_notes,
6743 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
6744 remove_edge, remove_fake_successors): Add static prototypes.
6745 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
6746 (mark_set_1): Initialize variable `regno'.
6747 (unlink_insn_chain): Likewise for variable `curr'.
6748 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
6750 * loop.c (strength_reduce): Initialize variable
6751 `unrolled_insn_copies'.
6752 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
6753 prototypes. Change these functions to take const PTR parameters
6754 to avoid prototype conflict when used as the comparson argument
6756 (check_dbra_loop): Initialize variable `comparison_val'.
6758 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
6759 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
6760 (find_valid_class): Initialize variable `best_class'.
6761 (find_reloads): Call memcpy, not bcopy.
6763 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
6764 (hard_reg_use_compare): Don't needlessly cast away const.
6765 (reload_reg_class_lower): Likewise.
6766 (choose_reload_regs): Initialize variable `regno'.
6768 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
6770 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
6772 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
6774 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
6775 ({,d}discard): Add forward declarations. Declare parameter as
6777 (main_without_main): Explicitly declare return type to be int.
6778 (memcpy): Properly declare.
6780 * libgcc2.c (toplevel): If inhibit_libc is defined and not
6781 building the trampoline support, declare malloc, free, and
6783 (__clear_cache): Mark arguments as potentially unused.
6785 * frame.c (toplevel): If inhibit_libc is defined, declare
6788 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
6790 * flow.c (make_edge): Accept an optional 2D bitmap in which
6791 to cache edge existence. Update all callers.
6792 (make_label_edge, make_eh_edge): Pass through the edge cache.
6793 (make_edges): Provide the cache.
6795 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6797 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
6799 (local_mbtowc): Change the type of variable `i' from int to size_t.
6801 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
6802 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
6804 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
6806 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
6807 after other includes that define the appropriate types. Include
6808 tm_p.h for getting user prototypes.
6809 * ggc-callbacks.c (toplevel): Ditto.
6810 * ggc-none.c (toplevel): Ditto.
6811 * gcc-page.c (toplevel): Ditto.
6812 * ggc-simple.c (toplevel): Ditto.
6814 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
6815 Jonathan Larmour <jlarmour@cygnus.co.uk>
6817 * config/mips/mips.c (mips_move_2words): Split doubles if
6818 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
6820 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
6822 * genrecog.c (struct decision_test): New.
6823 (struct decision): Remove test-related members, sort the rest by size.
6824 (IS_SPLIT): Simplify.
6825 (new_decision, new_decision_test): New.
6826 (add_to_sequence): Use them. No special handling for args of
6828 (maybe_both_true): Renamed from not_both_true; return sense changed.
6829 (maybe_both_true_1, maybe_both_true_2): New. Broken out
6830 of maybe_both_true and adjusted for decision_test.
6831 (position_merit): Remove.
6832 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
6833 (merge_accept_insn): New, broken out of merge_trees.
6834 (merge_trees): Use them. No special case for c_test; no node
6835 splitting; use test type instead of position_merit.
6836 (factor_tests): New.
6837 (simplify_tests): New.
6838 (break_out_subroutines): Don't write code now.
6839 (find_afterward): New.
6840 (write_afterward, write_switch, write_cond): New.
6841 (write_action, is_unconditional): New.
6842 (write_node): New. Use them.
6843 (write_tree_1): Rewrite. Use the new functions above.
6844 (write_tree): Remove afterward processing.
6845 (write_subroutine): Simplify function variant emission.
6846 (write_subroutines): New.
6847 (same_codes, clear_codes): Remove.
6848 (same_modes, clear_modes): Remove.
6849 (write_header): New, broken out of main.
6850 (make_insn_sequence): Use new_decision and new_decision_test.
6851 (process_tree): New, broken out of main.
6852 (main): Adjust for merge_trees interface change.
6853 Don't #define operands in the output file.
6854 (record_insn_name): New, broken out of make_insn_sequence.
6855 (debug_decision_2, debug_decision_1, debug_decision_0): New.
6856 (debug_decision): New.
6858 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
6860 * resource.c (find_free_register): Mark class_str argument const.
6861 * resource.h: Update prototype to match.
6863 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
6864 * i386.md: Give all anonymous insns names.
6866 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
6868 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
6871 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
6873 * toplev.c (dbr_sched_time): Unconditional.
6874 (peephole2_time): New.
6875 (compile_file): Add pass numbers to all of the dump file suffixes.
6876 Dump peephole2_time. Don't dump times for non-applicable passes.
6877 (rest_of_compilation): Add pass numbers to dump file suffixes.
6878 Conditionalize calls to the scheduler.
6879 * invoke.texi: Update.
6881 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
6883 * flow.c (make_edges): Fix insn iteration.
6884 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
6885 (find_basic_blocks_1): Fix spelling mistake.
6887 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
6889 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
6890 always have side-effects. Use memset not bzero.
6891 (make_node): Likewise.
6893 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
6895 * stmt.c (expand_anon_union_decl): When any of the elements of the
6896 union is addressable, so is the entire union.
6898 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
6900 * sbitmap.c (sbitmap_ones): Don't set too many bits.
6902 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
6903 * bitmap.c (bitmap_operation): Return true iff TO changed.
6904 (bitmap_equal_p): New.
6905 (bitmap_bit_p): Tidy arithmetic.
6906 (debug_bitmap_file): Likewise.
6908 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
6910 * toplev.c (rest_of_compilation): Turn on cse_not_expected
6911 before cse2 instead of after.
6913 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
6915 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
6918 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6920 * cppinit.c (is_idchar initializer): Loosen tests to accept
6923 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
6925 * mips.md: Define conditional move patterns for floating point
6926 operands and DI mode conditions.
6928 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
6930 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
6931 always have side-effects.
6933 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
6935 * mn10200.c (asm_file_start): Fix typo.
6937 * cppinit.c (is_idchar initializer): Tighten tests for when
6938 to put the table into initialized memory.
6940 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
6941 not an array of rtunion.
6942 * gcc-page.c (ggc_alloc_rtvec): Similarly.
6943 * gcc-simple (ggc_free_rtvec): Similarly.
6945 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
6948 * mbchar.h: Add missing #endif.
6950 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
6951 (FPBIT, DPBIT): Define.
6953 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6955 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
6957 * profile.c (instrument_arcs, output_gcov_string,
6958 tablejump_entry_p): Add static prototypes.
6959 (output_gcov_string): Constify a char*.
6961 * regmove.c (replacement_quality, fixup_match_2): Add static
6964 * resource.h (reg_dead_p): Add extern prototype.
6966 * rtl.c (trim_filename): Add static prototype.
6968 * scan-decls.c (skip_to_closing_brace): Likewise.
6970 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
6971 (expand_end_case): Initialize variable `range'.
6972 (emit_case_nodes): Remove unused prototype `rtx_fn'.
6974 * varasm.c (asm_emit_uninitialised): Add static prototype.
6975 (asm_emit_uninitialised, assemble_variable): Mark parameter with
6978 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6980 * cpplib.c (if_directive_nameo): Add static prototype.
6982 * cse.c (cse_insn): Remove unused variable `p'.
6984 * except.c (create_rethrow_ref, push_entry,
6985 receive_exception_label, new_eh_region_entry, find_func_region,
6986 clear_function_eh_region, process_nestinfo): Add static prototypes.
6987 (get_reg_for_handler): Hide definition.
6988 (process_nestinfo): Initialize variable `extra_handlers'.
6990 * expr.h (expand_builtin_longjmp): Add extern prototype.
6992 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
6994 * function.c (prepare_function_start): Likewise.
6995 (pop_function_context_from): Mark parameter `context' with
6997 (push_temp_slots_for_block, flush_addressof): Hide definition.
6999 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
7000 solve_program_flow_graph, calculate_branch_probs,
7001 function_summary, main, fancy_abort): Add prototypes.
7003 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
7004 (add_hash): Constify a char*.
7006 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
7007 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
7008 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
7010 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
7012 * lists.c (free_list, zap_lists): Likewise.
7014 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7016 * alias.c (nonlocal_reference_p): Add static prototype.
7018 * bitmap.c (bitmap_element_allocate): Prototype args in function
7021 * builtins.c (stabilize_va_list): Add static prototype.
7022 (expand_builtin_va_arg): Constify a char*.
7024 * c-lex.c (getch, put_back, extend_token_buffer_to,
7025 read_line_number, token_getch, token_put_back): Add static
7028 * c-parse.gperf (hash, is_reserved_word): Likewise.
7030 * cccp.c (is_dir_separator): Likewise.
7032 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7034 * graph.h: New file to prototype functions exported by graph.c.
7036 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
7038 * graph.c: Include graph.h.
7040 * toplev.c: Likewise. Remove redundant prototypes.
7042 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
7044 * invoke.texi: Removed duplicated description for -Q.
7046 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
7048 * extend.texi: Grammar fix in __extension__ text.
7050 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
7052 * md.texi (define_peephole2): New section.
7054 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
7056 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
7057 (mov $-1 to or peepholer): Enable for pentium when optimizing for
7060 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
7062 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
7064 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
7066 * i386.md (ffs expander): Emit Pentium friendly code for
7069 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
7071 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
7075 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7077 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
7079 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
7081 * config/m68k/m68k.c (use_return_insn): Return false if the pic
7084 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7086 * md.texi (No Constraints): Delete section.
7087 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
7088 * final.c (final_scan_insn): We always have register constraints.
7089 * genattrtab.c: Don't include "insn-config.h".
7090 (write_attr_case): We always have register constraints.
7091 * genconfig.c (register_constraint_flag): Delete.
7092 (walk_insn_part): Don't check whether we have register constraints.
7093 (main): Don't write out "#define REGISTER_CONSTRAINTS".
7094 * genoutput.c (have_constraints): Delete.
7095 (main): Don't set it.
7096 (output_operand_data): We always have constraints.
7097 (scan_operands): Likewise.
7098 (compare_operands): Likewise.
7099 * local-alloc.c (block_alloc): We always have constraints.
7100 (requires_inout): Always compile this function.
7101 * recog.c (extract_insn): We always have constraints.
7102 (constrain_operands, reg_fits_class_p): Always compile these
7104 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
7106 (struct insn_operand_data): Likewise.
7107 * regclass.c (regclass): We always have constraints.
7108 (record_reg_classes, copy_cost, record_address_regs,
7109 auto_inc_dec_reg_p): Always compile these functions.
7110 * regmove.c (regmove_optimize): We always have constraints.
7111 * reload.c (find_reloads): Likewise.
7112 * reload1.c (reload): Likewise.
7113 (reload_cse_simplify_operands): Likewise.
7114 * i860.c (output_delay_insn): Likewise.
7116 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
7118 * iris6.h (BUILD_VA_LIST_TYPE): Define.
7120 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7122 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
7123 for the va_list record.
7125 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
7127 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
7130 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
7132 * alias.c: Include insn-flags.h.
7133 * Makefile.in (alias.o): Update.
7135 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
7137 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
7138 to LTU and GEU. Handle more cases using sbb.
7140 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
7142 * i386.md (truncatexfdf splitters): Do not use subreg.
7143 (fop XFmode patterns): Fix mode in operand testing.
7145 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
7147 * jump.c (jump_optimize_1): Amend last change to test only the
7148 form of the operand, not the insn.
7150 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
7151 not register_operand to determine when B may need preloading.
7153 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
7155 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
7156 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
7157 (call-value patterns): Move to end of file.
7158 (*): Remove mode from label_ref in (pc) context.
7159 (movstrqi): Use memory not general_operand for BLKmode operands.
7160 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
7161 to register_operand operands.
7162 (peep2 patterns): Convert from commented-out peephole patterns.
7164 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7166 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
7167 to BUILT_IN_INIT_DWARF_REG_SIZES.
7168 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
7169 Renamed from BUILT_IN_DWARF_REG_SIZE; call
7170 expand_builtin_init_dwarf_reg_sizes.
7171 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
7172 with __builtin_init_dwarf_reg_size_table.
7173 * dwarf2out.c (struct reg_size_range): Delete.
7174 (expand_builtin_init_dwarf_reg_sizes): New function.
7175 (expand_builtin_dwarf_reg_size): Delete.
7176 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
7177 (expand_builtin_dwarf_reg_size): Don't declare.
7178 * libgcc2.c (dwarf_reg_size_table_initialized): New.
7179 (dwarf_reg_size_table): New.
7180 (init_reg_size_table): New function.
7181 (copy_reg): Use dwarf_reg_size_table.
7182 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
7185 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
7187 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
7188 Correctly build argument list to constructor and destructor functions.
7190 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
7192 * c-tree.h (warn_float_equal): Declare.
7193 * c-decl.c (warn_float_equal): Define.
7194 (c_decode_option): Recognize -W[no-]float-equal.
7195 * c-typeck.c (build_binary_op): Conditionally warn
7196 about equality tests of floating point types.
7197 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
7198 * invoke.texi: Add docs for -Wfloat-equal warning.
7200 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
7202 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
7203 generating RTL directly.
7204 * mips.h (INIT_TARGET_OPTABS): Likewise.
7205 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
7207 * expr.h (init_mov_optab): Delete declaration
7209 * h8300.c (WORD_REG_USED): Update to avoid useless register
7210 saves in interrupt functions and functions which never return.
7212 * cse.c (struct set): Delete inner_dest_loc field.
7213 (cse_insn): Remove assignments to inner_dest_loc field.
7215 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
7217 * ggc-page.c: Don't include <unistd.h> etc taken care of
7218 by "system.h". Include <sys/mman.h> afterward.
7220 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
7222 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
7225 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
7227 * xcoffout.c (xcoffout_declare_function): Add documentation.
7228 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
7229 TARGET_64BIT. Compare constant to -1, not bit pattern.
7230 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
7231 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
7234 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
7236 * dwarf2out.c (add_abstract_origin_attribute): Abort if
7238 (gen_inlined_enumeration_type_die): Do not abort if the type has
7239 not been writeen out.
7240 (gen_inlined_structure_type_die): Do not abort if the type has
7241 not been writeen out.
7242 (gen_inlined_union_type_die): Do not abort if the type has
7243 not been writeen out.
7244 (gen_tagged_type_instantiation_die): Do not abort if the type
7245 has not been written out.
7247 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7249 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
7251 * reg-stack.c (straighten_stack): Copy hard reg set with
7254 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
7256 * builtins.c (stabilize_va_list): Stabilize array type va_list
7257 to a pointer type, not the base record type.
7258 (expand_builtin_va_copy): Dereference the pointers explicitly;
7259 use the correct size for the copy.
7261 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
7262 (rs6000_va_arg): Likewise.
7264 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
7266 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
7268 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
7270 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
7272 (DECL_BUILT_IN_CLASS): Adjust accordingly.
7274 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
7276 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
7277 (init_ggc): Use it instead of a constant.
7278 (ggc_collect): Bound allocated_last_gc by it.
7280 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
7282 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
7285 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
7287 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
7288 (mips*-*-openbsd*): Let big endian configuration be a fragment.
7290 * config/mips/openbsd.h: New, OpenBSD little endian target.
7291 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
7292 * config/mips/xm-openbsd.h: New, OpenBSD host.
7294 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
7296 * config/m68k/m68k.c (output_function_prologue,
7297 output_function_epilogue): Use
7298 current_function_uses_pic_offset_table instead of regs_ever_live
7299 to decide whether to save/restore pic register.
7300 (legitimize_pic_address): Don't modify regs_ever_live any more.
7302 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
7304 * function.h (struct function): Add x_dont_save_pending_sizes_p.
7305 * stor-layout.c (variable_size): Don't add sizes to the pending
7306 sizes list if x_dont_save_pending_sizes_p is set.
7308 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
7310 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
7311 for symbolic_operand().
7312 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
7314 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7316 * combine.c (gen_rtx_combine): Add missing call to va_end().
7318 * final.c (asm_fprintf): Likewise.
7320 * genattrtab.c (attr_rtx): Likewise.
7322 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
7324 * cse.c: Update comments.
7325 (cse_insn): When converting a conditional/computed jump into
7326 an unconditional jump, always make sure a BARRIER immediately
7327 follows the converted jump. Do not delete unreachable code.
7328 (cse_basic_block): Do not delete unreachable code.
7329 * toplev.c (rest_of_compilation): Move call to
7330 delete_trivially_dead_insns after the conditional call to
7333 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7335 * collect2.c (make_temp_file): Don't prototype.
7337 * gcc.c (make_temp_file): Likewise.
7339 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
7341 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
7343 * varasm.c (asm_emit_uninitialised): New function: Generate
7344 the assembler statements necessary to declare an uninitialised
7346 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
7348 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
7349 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
7351 (assemble_variable): Use asm_emit_uninitialised to emit an
7352 uninitialised variable.
7354 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
7356 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
7357 constant on a 64 bit host. Patch supplied by Geoffrey Keating
7358 <geoffk@cygnus.com>.
7360 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7362 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
7363 * c-common.h (builtin_function): Don't declare.
7365 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
7367 (pushdecl): Likewise.
7368 (finish_decl): Likewise.
7369 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
7370 int. All callers changed.
7371 Set the builtin's DECL_BUILT_IN_CLASS.
7372 * tree.h (enum built_in_class): New.
7373 (enum built_in_function): Delete NOT_BUILT_IN.
7374 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
7376 (DECL_SET_FUNCTION_CODE): Likewise.
7377 (DECL_BUILT_IN_CLASS): New macro.
7378 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
7379 (struct tree_decl): Split builtin function code field into a
7381 (builtin_function): Declare.
7383 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
7385 * optabs.c (init_traps): Fix typo in last change.
7387 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
7389 * toplev.c (rest_of_decl_compilation): Update comment.
7391 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
7393 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
7394 in .sbss if appropriate.
7395 (EXTRA_SECTION_FUNCTIONS): Add sbss.
7396 (SBSS_SECTION_ASM_OP): New macro.
7397 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
7398 (EXTRA_SECTIONS): Add in_sbss.
7399 * config/mips/mips.h: Prototype sbss_section.
7401 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
7403 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
7406 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
7408 * optabs.c (init_traps): Register trap_rtx as a GC root.
7410 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7412 * config/mips/mips.c (function_arg_pass_by_reference): Define
7413 unconditionally, since it's called unconditionally.
7415 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
7417 * toplev.c (documented_lang_options): Add -fshort-wchar.
7418 * c-decl.c (c_decode_option): Likewise.
7419 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
7421 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
7422 * gcc.c (default_compilers): If -fshort-wchar,
7423 override __WCHAR_TYPE__.
7424 * tm.texi (C Dialect Options): Add -fshort-wchar.
7426 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
7427 symbol for a variable.
7429 * cpplib.h (CPP_PREPROCESSED): New macro.
7430 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
7431 we're seeing this input for a second time.
7433 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
7435 * emit-rtl.c (init_emit_once): Initialize modes first.
7437 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
7439 * config/i386/i386.c (pic_label_name): Change to char pointer.
7440 (global_offset_table): New variable.
7441 (load_pic_register): Fill global_offset_table if it hasn't
7442 already been done. Allocate pic_label_name dynamically.
7443 * ggc.h (empty_string): New variable.
7444 * ggc-simple.c (empty_string): Likewise.
7445 (init_ggc): Allocate empty_string and add as root.
7446 * stmt.c (digit_strings): New variable.
7447 (init_stmt): Add last_block_end_note as root. Allocate and
7448 initialize digit_strings.
7449 (expand_asm_operands): Use empty_string instead of string
7450 constant. Use digit_strings instead of string constants.
7451 * profile.c (init_arc_profiler): Allocate string with
7452 ggc_alloc_string instead of xmalloc.
7453 (output_func_start_profiler): Likewise.
7454 * c-typeck.c (digest_init): Check if init is error_mark_node.
7456 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
7457 Richard Henderson <rth@cygnus.com>
7459 * ggc-page.c: New file.
7460 * Makefile.in (ggc-page.o): New.
7462 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
7464 * invoke.texi: Document -fdelete-null-pointer-checks
7465 * toplev.c (flag_delete_null_pointer_checks): New.
7466 (f_options): Add entry for -fdelete-null-pointer-checks.
7467 (rest_of_compilation): Conditionalize null pointer check
7468 elimination on flag_delete_null_pointer_checks.
7469 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
7471 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
7473 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
7474 copyright notice and special exception to GPL.
7476 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7478 * abi64.h (mips_function_value): Add prototype arguments.
7480 * mips-protos.h: New file with mips prototypes.
7482 * mips.c: Include "tm_p.h".
7483 (mktemp, lookup_name): Add prototype arguments.
7484 (extern_list, string_constant, mips_fill_delay_slot,
7485 mips_output_external, mips_output_external_libcall,
7486 mips_output_filename, mips_declare_object, function_prologue,
7487 mips_expand_prologue, function_epilogue, mips16_constant,
7488 build_mips16_function_stub, mips_output_conditional_branch):
7490 (mips_va_start): Remove unused variable `u'.
7491 (mips_va_arg): Cast value to unsigned when comparing against one.
7493 (save_restore_insns, mips_expand_prologue): Add missing arg in
7494 call to `large_int'.
7496 * mips.h: Move prototypes to mips-protos.h.
7497 (data_section, memory_address_p, rdata_section,
7498 readonly_data_section, simple_epilogue_p, text_section): Delete
7499 prototypes delcared elsewhere.
7500 (mips_epilogue_delay_slots, print_options): Delete unused decls.
7502 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
7504 * mips.md: Delete extra args in call to `mips_move_2words'.
7506 * xm-iris6.h (alloca): Add prototype argument.
7508 * genpeep.c: Include "tm_p.h" in generated output file.
7510 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
7512 * basic-block.h (find_edge_index): Change parameters.
7513 * flow.c (verify_edge_list): Pass basic_block parameters to
7514 find_edge_index instead of integers.
7516 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
7518 * combine.c (simplify_comparison): Use an unsigned shift to adjust
7521 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
7523 * gcc.1: Fix a formatting error.
7525 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7527 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
7528 i786, mn10200, mn10300, pdp11, v850.
7530 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
7532 * libgcc2.c (num_digits): Add prototype with
7533 __attribute__((const)).
7534 (__terminate): Add prototype.
7536 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
7538 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
7540 * alpha/alpha.c (print_operand): Fix type of `code'.
7541 (alpha_output_filename): Constify.
7542 * alpha/alpha.h: Move all function declarations ...
7543 * alpha/alpha-protos.h: ... here. New file.
7544 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
7545 (SECTION_FUNCTION_TEMPLATE): Likewise.
7547 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7549 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
7550 * expr.c (expand_expr): Likewise.
7551 (do_jump): Likewise.
7552 (do_store_flag): Pass ccp_store_flag to can_compare_p.
7553 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
7555 (enum can_compare_purpose): New.
7556 (can_compare_p): Adjust prototype.
7557 (prepare_cmp_insn, prepare_operand): Declare.
7558 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
7559 * optabs.c (cmp_available_p): Deleted.
7560 (expand_abs): Pass ccp_jump to can_compare_p.
7561 (can_compare_p): New arg PURPOSE. Check for combined optabs.
7562 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
7563 Call can_compare_p rather than cmp_available_p.
7564 (prepare_operand): No longer static.
7565 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
7566 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
7567 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
7568 sequence to use emit_cmp_and_jump_insns.
7569 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
7571 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
7573 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
7574 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
7575 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
7576 (plus (reg) (const_int 0))
7577 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
7579 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
7581 * rs6000.c (expand_block_move): DImode loads and stores require
7582 word-aligned displacements. Increment address registers with
7583 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
7585 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
7587 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
7588 is no name for the base type, rather than segfault. If we are
7589 writing out a complex integer type, use DW_ATE_lo_user.
7591 * expr.c (emit_move_insn_1): If we are copying a complex that fits
7592 in one word or less (complex char, complex short, or on 64 bit
7593 systems complex float) to/from a hard register, copy it through
7594 memory instead of dying in gen_{real,imag}part. If we have a
7595 short complex type, prevent inlining since it allocates stack
7598 * tree.c (build_complex_type): If we are writing dwarf2 output,
7599 generate a name for complex integer types.
7601 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
7603 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
7604 * flow.c (remove_edge): Remove extra whitespace.
7605 (remove_fake_edges): Fix comment.
7606 (add_noreturn_fake_exit_edges): Use the correct name.
7608 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
7610 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
7611 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
7612 (clean): Depend on INTL_CLEAN.
7613 (maintainer-clean): Adjust.
7615 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7617 * configure.in (AC_PREREQ): Bump to 2.13.
7618 (AC_C_STRINGIZE): Call this instead of using a custom macro.
7620 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
7622 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
7624 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
7626 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
7627 (HAVE_STRINGIZE): Define.
7629 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
7631 * c-parse.in: save and restore warn_pointer_arith on __extension__
7632 along with pedantic.
7633 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
7634 Set the type of extension to itype rather than $<itype>1 kludge.
7635 * extend.texi (Alternate Keywords): Adjust documentation.
7636 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
7638 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
7640 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
7641 most assembler templates.
7643 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
7644 FP loads and stores.
7645 (following_call): Always return zero for the PA8000.
7646 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
7647 FP loads and stores.
7648 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
7650 * pa.h (BRANCH_COST): Define.
7652 * pa.md (return, return_internal): Use bve for PA2.0.
7654 * pa.md (fused multiply): Add variants which reduce height for the
7655 fused multiply, but which still generate 2 insns.
7656 (fnegabs): Similarly.
7658 * pa.md (subsi3): Turn into an expander. Create two anonymous
7659 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
7660 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
7662 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
7664 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
7666 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
7667 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
7669 * regclass.c (init_regs): Add "top_of_stack" as a garbage
7672 * flow.c (record_active_eh_regions): Terminate loop after finding
7673 the last insn in the last basic block.
7675 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7677 * config/c4x/c4x.md: Delete parallel instruction peepholes.
7679 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7681 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
7683 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7685 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
7686 splitting to not use output template.
7688 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7690 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
7691 * config/c4x/c4x.c (c4x_va_start): New function.
7693 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
7695 * genrecog.c (not_both_true): Handle correctly cases when called for
7696 tests with different positions in the insn.
7698 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7700 * machmode.h (HOST_PTR_PRINTF): Move from here ...
7702 * system.h (HOST_PTR_PRINTF): ... to here.
7704 * mips-tfile.c: Don't include machmode.h.
7706 * Makefile.in (MACHMODE_H): New variable. Update to use it.
7707 (mips-tfile.o): Don't depend on machmode.h.
7709 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7711 * haifa-sched.c (sched_analyze): Rename local variable `region' to
7712 avoid conflicts with typedef struct `region' at the top level scope.
7714 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
7716 * basic-block.h (basic_block): Add eh_beg, eh_end.
7717 * flow.c (entry_exit_blocks): Update.
7718 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
7720 (find_basic_blocks_1): Don't record eh_list at each bb. Use
7721 lists.c functions to allocate insn lists.
7722 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
7724 (make_eh_edge): ... here. New.
7725 (move_stray_eh_region_notes): New.
7726 (record_active_eh_regions): New.
7727 (delete_unreachable_blocks): Split out block merging ...
7728 (try_merge_blocks): ... here. New.
7729 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
7730 Dump debugging data.
7731 (merge_blocks_move_successor_nojumps): Likewise.
7732 (merge_blocks): Use eh_beg+eh_end to validate block movement.
7734 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7736 * extend.texi (Bound member functions): Document unbound pmf
7739 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
7741 * flow.c (split_edge): Handle insertion on a fallthrough edge which
7742 has the EXIT_BLOCK as a dest.
7744 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
7746 * flow.c (remove_edge): New function to remove an edge from the
7748 (remove_fake_successors): New function to remove fake successor edges.
7749 (remove_fake_edges): New function to remove all fake edges from the
7751 (add_fake_exit_edges): New function to add fake edges from all blocks
7752 with no successors to the exit block.
7753 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
7754 prototypes for new functions.
7756 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
7758 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
7759 Use Pmode to determine whether to output .dword or .word.
7761 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
7763 * tree.c (built_in_filename): New variable.
7764 (BUILT_IN_FILENAME): New macro.
7765 (init_tree_codes): Allocate built_in_filename.
7766 (make_node): Use built_in_filename instead of string constant.
7768 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
7770 * configure.in: Add fr30 target.
7771 * configure: Regenerate.
7772 * config/fr30: New directory.
7773 * config/fr30/crti.asm: New file.
7774 * config/fr30/fr30.c: New file.
7775 * config/fr30/crtn.asm: New file.
7776 * config/fr30/fr30.h: New file.
7777 * config/fr30/fr30.md: New file.
7778 * config/fr30/lib1funcs.asm: New file.
7779 * config/fr30/t-fr30: New file.
7780 * config/fr30/xm-fr30.h: New file.
7782 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
7784 * flow.c (merge_blocks_move_successor_nojumps): Delete the
7785 BARRIER at the end of the successor, not the BARRIER before
7788 * pa.c (pa_add_gc_roots): Fix thinko in last change.
7790 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
7792 * stmt.c (any_pending_cleanups): Don't crash when
7793 current_function->stmt is unset.
7795 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7797 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
7798 other initializations that may use it for relative offsets.
7800 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7802 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
7803 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
7804 * config/i386/sol2dbg.h: Removed.
7805 * config/i386/sol2gas.h: New file, to enable gas work-around.
7806 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
7807 Don't use sol2dbg.h.
7808 * configure: Rebuilt.
7810 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
7812 * invoke.texi (-fthis-is-variable): Remove documentation.
7814 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
7816 * basic-block.h (compute_bb_for_insn): Declare.
7817 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
7818 to use; set size of basic_block_for_insn directly.
7819 (find_basic_blocks): Update.
7821 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7823 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
7825 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7827 * crtstuff.c (ON_EXIT): Delete empty macro definition.
7828 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
7830 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
7832 * c-decl.c (c_decode_option): Extend comment.
7834 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
7836 * toplev.c (progname): Make 'const char *'
7837 (flag_print_mem): Move out of main.
7838 (version_flag): Move out of main.
7839 (filename): Move out of main.
7840 (debug_args): Remove g prefix from options.
7841 (documented_lang_options): Remove cpplib specific options.
7842 (display_help): Add g prefix to debug options.
7843 (check_lang_option): Delete this function.
7844 (decode_d_option): New function: Decode -d... option.
7845 (decode_f_option): New function: Decode -f... option.
7846 (decode_W_option): New function: Decode -W... option.
7847 (decode_g_option): New function: Decode -g... option.
7848 (independent_decode_option): New function: Decode a language
7849 independent command line option.
7850 (main): Invoke lang_decode_option and then
7851 independent_decode_option on each command line option in
7854 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
7856 Revert this change. Gavin's patch to operand_equal_p is a better fix.
7857 * fold-const.c (fold_range_test): Do not try to fold the range
7858 test if the rhs or lhs has side effects.
7860 * basic-block.h (compute_flow_dominators): Declare.
7862 * gcse.c (alloc_code_hoist_mem): New function.
7863 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
7864 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
7865 (hoist_code, one_code_hoisting_pass): Likewise.
7866 (gcse_main): If optimizing for size, then hoist expressions
7867 computed in multiple dominated basic blocks.
7869 * gcse.c (invalid_nonnull_info): New function.
7870 (delete_null_pointer_checks): Likewise.
7871 * rtl.h (delete_null_pointer_checks): Declare.
7872 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
7874 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
7875 (merge-blocks_move_successor_nojumps): Likewise.
7876 (merge_blocks): Allow merging of some blocks, even if it requires
7877 physical movement of the blocks, but not if it requires new jumps.
7879 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
7880 Callers and prototype changed.
7881 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
7883 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7885 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
7886 -YP when both -p and -pg are present. From i386/sol2.h.
7888 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7890 * Makefile.in (distclean): Delete tm_p.h.
7891 * configure.in: Create a new file, "tm_p.h", from a list in
7892 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
7893 "i386/i386-protos.h".
7895 * alias.c: Include "tm_p.h".
7896 * c-typeck.c: Likewise.
7897 * calls.c: Likewise.
7899 * emit-rtl.c: Likewise.
7900 * explow.c: Likewise.
7901 * expmed.c: Likewise.
7903 * final.c: Likewise.
7905 * fold-const.c: Likewise.
7906 * function.c: Likewise.
7908 * global.c: Likewise.
7909 * haifa-sched.c: Likewise.
7910 * integrate.c: Likewise.
7912 * local-alloc.c: Likewise.
7914 * optabs.c: Likewise.
7915 * recog.c: Likewise.
7916 * reg-stack.c: Likewise.
7917 * regclass.c: Likewise.
7918 * regmove.c: Likewise.
7919 * reload.c: Likewise.
7920 * reload1.c: Likewise.
7921 * reorg.c: Likewise.
7922 * resource.c: Likewise.
7924 * stor-layout.c: Likewise.
7925 * toplev.c: Likewise.
7927 * unroll.c: Likewise.
7928 * genattrtab.c (main): Make generated file include "tm_p.h".
7929 * genemit.c (main): Likewise.
7930 * genoutput.c (main): Likewise.
7931 * genrecog.c (main): Likewise.
7933 * i386.h: Delete all prototypes.
7934 * i386.c: Include "tm_p.h".
7935 (ix86_attr_length_default): Call constant_call_address_operand
7936 with correct number of arguments.
7937 * i386-protos.h: New file.
7938 * i386.md (unnamed patterns): Call constant_call_address_operand
7939 with correct number of arguments.
7940 (exception_receiver): Call load_pic_register with correct number
7943 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
7945 * c-pragma.c (mark_align_stack): Dereference the void* properly.
7947 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
7949 * rtl.h (insns_safe_to_move_p): New function.
7950 * loop.c (find_and_verify_loops): Use it.
7951 * rtlanal.c (insns_safe_to_move_p): Define it.
7953 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
7955 * c-pragma.c: Include ggc.h.
7956 * Makefile.in (c-pragma.o): Update.
7958 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7960 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
7961 (LIB_SPEC): Likewise.
7962 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
7963 Reindent -YP/-p/-pg.
7964 Copied from config/sparc/sol2.h.
7966 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
7968 * c-pragma.c (mark_align_stack): New.
7970 * c-pragma.h (init_pragma): Declare it.
7971 * c-lex.c (init_parse): Call it.
7973 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7975 * configure.in: Pick up thread library on Solaris/x86 just
7976 like on Solaris/sparc.
7977 * configure: Rebuilt.
7979 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
7981 * rtl.h (global_rtx_index): New enum.
7982 (global_rtl): Change to array of rtx.
7983 (pc_rtx, cc0_rtx): Redefine accordingly.
7984 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
7985 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
7986 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
7987 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
7988 (const_int_rtx): Change to array of rtx.
7989 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
7991 * emit-rtl.c (global_rtl): Change to array of rtx.
7992 (const_int_rtx): Change to aray of rtx.
7993 (gen_rtx_CONST_INT): Redefine accordingly.
7994 (init_emit_once): Allocate and initialize global_rtl. Likewise
7995 for const_int_rtx. Add both as GC roots.
7996 * genattrtab.c (global_rtl): Update declaration.
7998 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
8000 * Makefile (USER_H): Add iso646.h back.
8002 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
8004 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
8005 zapping the LOG_LINKS of sched_before_next_call.
8007 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
8008 * pa.c (insn_refs_are_delayed): Renamed from
8009 insn_sets_and_refs_are_delayed.
8011 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
8013 * functiion.h (struct function): Add x_whole_function_mode_p.
8014 (retrofit_block): Declare.
8015 * function.c (retrofit_block): New function.
8016 (identify_blocks): Add assertions. Allow an incomplete set of
8017 block notes if we're still generating code for the function.
8018 * integrate.c: Include loop.h.
8019 (expand_inline_function): Call find_loop_tree_blocks to map block
8020 notes to blocks when in whole-function mode. Use retrofit_block
8021 to insert new BLOCKs for the inlined function, rather than
8023 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
8024 * Makefile.in (integrate.o): Depend on loop.h.
8026 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
8028 * tree.h (warn_about_unused_variables): Declare.
8029 * stmt.c (warn_about_unused_variables): New function, split out
8031 (expand_end_bindings): Here.
8033 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
8035 * stmt.c (preserve_subexpressions_p): Don't crash when
8036 current_function->stmt is unset.
8038 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
8040 * stmt.c (expand_start_bindings): Allow callers to pass a flag
8041 indicating that no NOTE_INSN_BLOCK_BEG note is required.
8042 (expand_start_target_temps): Use it.
8043 * except.c (expand_eh_region_start_for_decl): Likewise.
8044 * expr.c (expand_expr): Likewise.
8046 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
8048 * fold-const.c (operand_equal_p): Pay attention to side effects.
8050 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
8052 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
8053 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
8055 * tlink.c (scan_linker_output): Look for keywords before accepting
8056 a mangled name in quotes.
8058 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
8060 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
8061 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
8063 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
8065 * alpha.md: Revert Thu Nov 26 change that came in through the
8066 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
8067 Avoid earlyclobber when possible.
8069 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8071 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
8073 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
8074 Define HAVE_ON_EXIT.
8076 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8078 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
8079 CTYPE_CONV in all ctype macros.
8081 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
8084 * cexp.y (initialize_random_junk): Likewise.
8086 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
8088 * i370.c (handle_pragma): Likewise.
8090 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
8092 * v850.c (override_options): Likewise.
8094 * doprint.c (_doprnt): Likewise.
8096 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
8099 * fixinc/server.c (load_data): Likewise.
8101 * fold-const.c (real_hex_to_f): Likewise.
8103 * genattr.c (write_upcase, gen_attr): Likewise.
8105 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
8106 write_upcase): Likewise.
8108 * genemit.c (print_code): Likewise.
8110 * genopinit.c (gen_insn): Likewise.
8112 * genpeep.c (print_code): Likewise.
8114 * genrecog.c (print_code): Likewise.
8116 * optabs.c (init_libfuncs): Likewise.
8118 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
8120 * haifa-sched.c (sched_analyze): Keep the list of notes organized
8122 (reemit_notes): Likewise.
8124 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
8126 * ggc.h (ggc_root): Move to ggc-common.c.
8128 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
8129 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
8130 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
8131 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
8132 * ggc-common.c (ggc_root): Move from ggc.h.
8133 (roots): Declare, static.
8134 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
8135 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
8136 null or check/set mark bit.
8137 (ggc_mark_roots): New.
8138 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
8140 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
8142 * m32r.c: Include toplev.h.
8143 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
8144 (gen_compare): Rename swap_p to must_swap to match uses.
8145 Add default abort case.
8146 (m32r_output_function_epilogue): Remove unused variables.
8147 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
8148 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
8149 define to empty parameter list. Update all uses.
8150 (predicate decls): Use enum machine_mode not int.
8151 * m32r.md (movsi): Call abort, not fatal_insn.
8152 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
8154 1999-09-14 Andrew Haley <aph@cygnus.com>
8156 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
8157 use $0 instead of 0.
8159 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8161 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
8162 computation out of loop over hard regs.
8164 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
8166 * function.c (identify_blocks): Don't shadow a variable in an
8168 * integrate.c (integrate_decl_tree): Don't use pushlevel,
8169 pushdecl, or poplevel to build up the new BLOCK tree.
8170 (expand_inline_function): Likewise.
8171 (integrate_parm_decls): Likewise.
8173 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
8175 * c-typeck.c (qualify_type): Merge qualifiers from both types.
8177 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
8179 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
8180 * invoke.texi: Document this change.
8182 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
8184 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
8186 (mark_emit_status): Renamed from mark_emit_state.
8187 * except.c (mark_eh_status): Renamed from mark_eh_state.
8188 Check not null before marking.
8189 (free_eh_status): New.
8190 * expr.c (mark_expr_status, free_expr_status): New.
8191 * function.c (free_machine_status): New.
8192 (free_after_parsing): New.
8193 (free_after_compilation): Move bits to free_after_parsing; call
8194 free_eh_status, free_expr_status; zero the marked members of the
8196 (prepare_function_start): No can_garbage_collect.
8197 Call init_eh_for_function.
8198 (expand_dummy_function_end): Free up current_function state.
8199 (mark_function_status): Renamed from mark_function_state.
8200 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
8201 * function.h (struct function): No can_garbage_collect.
8202 (free_machine_status, free_after_parsing): Declare.
8203 (free_eh_status, free_expr_status): Declare.
8204 * ggc.h (mark_expr_status): Declare.
8205 * stmt.c (free_stmt_status): Free the struct.
8206 (mark_stmt_status): Renamed from mark_stmt_state.
8207 (init_stmt): Don't call init_eh.
8208 (init_stmt_for_function): Don't call init_eh_for_function.
8209 * toplev.c (compile_file): Call init_eh.
8210 (rest_of_compilation): Free basic block info before ggc_collect.
8211 Call free_after_parsing; conditionally call free_after_compilation.
8212 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
8213 Check not null before marking.
8214 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
8216 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
8218 * c-lex.c (yylex): Initialize warn.
8220 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
8222 * pa.c (emit_move_sequence): Properly set the mode of the scratch
8223 register when performing secondary reloads for the SAR register.
8225 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
8227 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
8228 (NOTE_BLOCK): New macro.
8229 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
8230 * function.h (identify_blocks): Change prototype.
8231 * function.c (identify_blocks): Simplify.
8232 (reorder_blocks): Likewise.
8233 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
8234 NOTE_INSN_BLOCK_{BEG,END}.
8235 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
8236 the list of saved notes if the note isn't a
8237 NOTE_INSN_BLOCK_{BEG,END}.
8238 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
8240 (reemit_notes): Adjust recreation of notes to reflect new saved
8242 * print-rtl.c (print_rtx): Print the address of the BLOCK when
8243 printing a block note.
8244 * stmt.c (block_vector): Remove.
8245 (find_loop_tree_blocks): Simplify.
8246 (unroll_block_trees): Likewise.
8247 * tree.h (reorder_block): Change prototype.
8249 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
8251 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
8252 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
8253 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
8254 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
8255 (atexit, exit): Simplify.
8256 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
8257 * config/lots: Remove defns of HAVE_ATEXIT.
8259 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
8261 * calls.c (precompute_arguments): Fix typo in comment.
8262 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
8265 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
8267 * dsp16xx.c (override_options): Fix typos in GC root registration.
8269 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
8271 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
8273 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
8274 (FUNCTION_PROFILER): Redefine appropriately for Linux.
8275 (CC1_SPEC): Likewise.
8277 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8279 * genattr.c (main): Add extern prototype. Call return, not exit.
8280 * genattrtab.c (main): Likewise.
8281 * gencheck.c (main): Likewise.
8282 * gencodes.c (main): Likewise.
8283 * genconfig.c (main): Likewise.
8284 * genemit.c (main): Likewise.
8285 * genextract.c (main): Likewise.
8286 * genflags.c (main): Likewise.
8287 * gengenrtl.c (main): Likewise.
8288 * genopinit.c (main): Likewise.
8289 * genoutput.c (main): Likewise.
8290 * genpeep.c (main): Likewise.
8291 * genrecog.c (main): Likewise.
8293 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
8294 * genattrtab.c (get_insn_name): Likewise.
8295 * gencodes.c (get_insn_name): Likewise.
8296 * genconfig.c (get_insn_name): Likewise.
8297 * genemit.c (get_insn_name): Likewise.
8298 * genextract.c (get_insn_name): Likewise.
8299 * genflags.c (get_insn_name): Likewise.
8300 * genopinit.c (get_insn_name): Likewise.
8301 * genpeep.c (get_insn_name): Likewise.
8303 * gencheck.c (usage): Add static prototype.
8304 * genextract.c (print_path): Constify a char*.
8305 * genopinit.c (optabs): Likewise.
8306 * genoutput.c (operand_data, data, output_predicate_decls,
8307 compare_operands): Likewise.
8308 * genrecog.c (write_tree): Add default case in switch.
8310 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8312 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
8314 * print-rtl.c (get_insn_name): Remove prototype.
8316 * toplev.h (progname): Declare const.
8318 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
8319 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
8320 dump_sched_info, dump_local_alloc, regset_release_memory,
8321 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
8322 error_with_file_and_line, error_with_decl, error_for_asm, error,
8323 fatal, warning_with_file_and_line, warning_with_decl, warning,
8324 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
8325 Remove redundant prototypes.
8327 (notice, check_lang_option, report_file_and_line, vnotice,
8328 mark_file_stack): Add static prototype.
8329 (set_fatal_function): Add prototype.
8330 (vnotice, report_file_and_line, set_fatal_function,
8331 check_lang_option): Constify a char*.
8332 (main): Prototype. Call return, not exit.
8334 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8336 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
8338 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
8340 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
8342 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
8344 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8346 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
8347 behave as if it's zero in all cases.
8348 (expand_function_start): Adjust call to assign_parms.
8349 * tree.h (assign_parms): Adjust prototype.
8350 * objc/objc-act.c (hack_method_prototype): Adjust call to
8353 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
8355 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
8356 arg_pointer_rtx fixed if the argument pointer register is
8358 (NONZERO_BASE_PLUS_P): Likewise.
8360 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
8362 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
8363 match_insn2 to match_insn.
8364 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
8366 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
8368 * Makefile.in (USER_H): Remove va-foo.h.
8370 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
8371 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
8372 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
8373 va-spur.h,va-v850.h}: Remove.
8375 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
8377 * sparc/sparc.md (eligible_for_return_delay): New attribute.
8378 (in_return_delay): Use it instead of match_insn.
8380 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8382 * config/alpha/va_list.h (va-alpha.h): Do not include.
8383 (__gnuc_va_list): Typedef as in varargs.h.
8385 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
8387 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
8388 DECL_LIVE_RANGE_RTL.
8390 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
8392 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
8393 not NOTE_BLOCK_NUMBER.
8394 (expand_eh_region_end): Likewise.
8395 (find_exception_handler_labels): Likewise.
8396 (scan_region): Likewise.
8397 (exception_optimize): Likewise.
8398 (update_rethrow_references): Likewise.
8399 (set_insn_eh_region): Likewise.
8400 * final.c (final_scan_insn): Likewise.
8401 * flow.c (make_edges): Likewise.
8402 * integrate.c (expand_inline_function): Likewise.
8403 * print-rtl.c (print_rtx): Likewise.
8405 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
8407 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
8408 terms of builtin functions and types.
8410 * mips.c (mips_build_va_list): New.
8411 (mips_va_start, mips_va_arg): New.
8412 * mips.h (BUILD_VA_LIST_TYPE): New.
8413 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
8415 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
8416 (sh_build_va_list, sh_va_start, sh_va_arg): New.
8417 * sh.h (BUILD_VA_LIST_TYPE): New.
8418 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
8420 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
8422 * recog.h (struct recog_data): Make dup_num, operand_address_p,
8423 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
8424 (struct insn_data): Likewise with n_operands, n_dups,
8425 n_alternatives, output_format.
8426 * regclass.c (scan_one_insn): Cast n_operands to int before
8427 arithmetic inside comparison.
8429 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
8431 * toplev.c (compile_function): Unconditionally emit nop.
8433 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8435 * haifa-sched.c (actual_hazard): Move declaration of variable
8436 `this_cost' into the scope where it is used.
8438 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8440 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
8441 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
8442 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
8444 * genrecog.c (make_insn_sequence): Call memset, not bzero.
8446 * jump.c (find_insert_position): Don't declare or define unless
8447 !HAVE_conditional_arithmetic.
8448 (returnjump_p_1, delete_prior_computation): Add static prototypes.
8450 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
8452 * recog.c (offsettable_address_p): Prototype function pointer.
8453 (preprocess_constraints): Call memset, not bzero.
8455 * tree.c (tree_node_kind_names): Constify a char*. Make static.
8456 (gcc_obstack_init): Don't declare.
8457 (fix_sizetype): Add static prototype.
8458 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
8459 (tree_cons): Call memset, not bzero.
8461 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
8462 definition in macro ASM_WEAKEN_LABEL.
8463 (mark_const_hash_entry): Add static prototype.
8465 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8467 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
8469 * unroll.c (find_common_reg_term, subtract_reg_term,
8470 loop_find_equiv_value): Add static prototypes.
8471 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
8472 (copy_loop_body): Remove unreachable break statement.
8474 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
8476 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
8478 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8480 Undo some changes from the gcc2 merge:
8481 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
8482 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
8486 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
8487 * emit-rtl.c (gen_lowpart_common): Disable optimization of
8488 initialized float-int union if the value is a NaN.
8490 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
8492 * gthr-win32.h: New file.
8494 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
8495 shared as a valid attribute.
8496 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
8497 * extend.texi: Document `shared' variable attribute.
8499 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
8501 * configure.in: Handle --enable-threads on FreeBSD.
8502 * configure: Rebuit.
8504 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
8506 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
8508 * configure: Rebuilt.
8510 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
8511 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
8512 Rosimildo DaSilva <rdasilva@connecttel.com>
8514 * configure.in (m68k-*-rtemscoff*): Added.
8515 * configure.in (mips64orion-*-rtems*): Converted to ELF.
8516 * configure.in (sparc-*-rtemsaout*): Added as alias for old
8517 sparc-rtems configuration.
8518 * configure.in (sparc-*-rtemself*): Added.
8519 * configure.in (sparc-*-rtems*): Now ELF not a.out.
8520 * config/i386/rtems.h: Added comment.
8521 * config/sparc/rtemself.h: New file.
8523 * configure.in (m68k-rtemself): Added.
8524 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
8525 and DWARF_DEBUGGING_INFO.
8526 * config/m68k/crti.s: New file.
8527 * config/m68k/crtn.s: New file.
8528 * config/m68k/t-crtstuff: New file.
8529 * config/m68k/rtemself.h: New file.
8531 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
8532 global ctor/dtor and C++ exception handling.
8533 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
8534 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
8536 * config/i386/t-rtems-i386: New File.
8538 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
8540 * stmt.c (expand_end_case): Return right away if the case stack is
8543 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
8545 * Makefile.in (version.c): Remove rule incorrectly brought in from
8548 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
8550 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
8551 * msdos/top.sed: Take into account a prepended $(SHELL) to
8553 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
8555 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
8557 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8559 * regmove.c (fixup_match_1): Don't change an unchanging register.
8560 (stable_but_for_p): Renamed to:
8561 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
8562 Changed all callers.
8564 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
8566 * loop.c (strength_reduce): Don't call reg_used_between_p if the
8567 insn from BL2 is after the insn from BL.
8569 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
8571 * recog.h (INSN_OUTPUT_FORMAT_*): New.
8572 (struct insn_data): Merge `template' and `outfun' into `output'.
8573 Add `output_format'.
8574 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
8575 (struct data): Remove `outfun'; add `output_format'.
8576 (name_for_index): Remove declaration.
8577 (output_insn_data): Handle output formats.
8578 (process_template): Emit the bare array for @.
8579 (gen_expand, gen_split): Set output_format to NONE.
8580 * output.h (get_insn_template): Declare.
8581 * final.c (get_insn_template): New.
8582 (final_scan_insn): Use it.
8583 * toplev.c (compile_file): Likewise.
8585 * c4x/c4x.c (c4x_process_after_reload): Likewise.
8586 * i860/i860.c (output_delayed_branch): Likewise.
8587 (output_delay_insn): Likewise.
8589 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8591 * rtl.c (obstack_alloc_rtx): Removed.
8593 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
8595 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
8597 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
8599 * i386.c (call_insn_operand): Reject const_int.
8600 (expander_call_insn_operand): Use call_insn_operand.
8602 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8604 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
8606 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
8608 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
8609 Use DImode operation.
8611 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
8613 * gcc.c: Include sys/resource.h.
8614 (report_times): New flag.
8615 (execute): If report_times is set, calculate and report the
8616 CPU time consumed by each subprocess.
8618 (rus, prus): New globals.
8619 (option_map): Add --time.
8620 (display_help): Document -time.
8621 (process_command): Set report_times if -time is given.
8622 Turn off -pipe if -time is given.
8624 * invoke.texi: Document new option -time.
8626 * configure.in: Check for getrusage. Check if we have to
8627 prototype getrusage.
8628 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
8629 * configure: Regenerate.
8630 * config.in: Regenerate.
8632 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
8634 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
8637 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
8639 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
8640 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
8641 (nan): Return _thenan_sf or _thenan_df as appropriate.
8642 (L_thenan_sf): Define _thenan_sf.
8643 (L_thenan_df): Define _thenan_df.
8645 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
8646 (DPBIT_FUNCS): Add _thenan_df.
8648 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
8650 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
8653 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8655 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
8658 (lang_specific_driver): Don't take a function pointer parameter.
8659 All callers changed.
8661 * gcc.c: Include gcc.h.
8662 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
8663 lang_specific_extra_outfiles, fatal): Don't declare.
8664 (multilib_defaults_raw): Constify.
8665 (read_specs): Call memset, rather than bzero.
8666 (main): Call return, not exit.
8667 (lookup_compiler): Call memcpy, not bcopy.
8668 (fatal): Make extern.
8670 * cppspec.c: Include gcc.h.
8671 (lang_specific_driver): Initialize variable `quote'. Constify a
8672 char*. All calls to the function pointer parameter now
8673 explicitly call `fatal'.
8675 * gccspec.c (lang_specific_driver): Include gcc.h.
8677 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
8679 * arm.c (note_invalid_constants): Use recog_data.operand_type
8682 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8684 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
8687 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
8688 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
8689 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
8690 reload_secondary_in_reload, reload_secondary_out_reload,
8691 reload_secondary_in_icode, reload_secondary_out_icode,
8692 reload_reg_rtx, reload_when_needed): Delete declarations.
8693 (struct reload): New structure.
8694 (rld): Declare new array.
8695 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
8696 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
8697 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
8698 reload_secondary_in_reload, reload_secondary_out_reload,
8699 reload_secondary_in_icode, reload_secondary_out_icode,
8700 reload_reg_rtx, reload_when_needed): Delete definitions.
8702 (whole file): Replace uses of the deleted arrays with uses of rld.
8703 * reload1.c (whole file): Replace uses of the deleted arrays with
8705 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
8706 explicit loops, not with bcopy.
8708 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
8710 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
8711 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
8712 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
8713 insn_name): Delete and consolidate into new structures.
8714 (insn_operand_predicate_fn): New.
8715 (insn_output_fn): New.
8717 (struct insn_operand_data): New.
8718 (struct insn_data): New.
8720 (OUT_FCN): Update for insn_data change.
8721 * builtins.c (expand_builtin_strlen): Likewise.
8722 (expand_builtin_memcmp): Likewise.
8723 * combine.c (make_extraction, simplify_comparison): Likewise.
8724 * cse.c (canon_reg, cse_insn): Likewise.
8725 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
8726 * expmed.c (store_bit_field, extract_bit_field): Likewise.
8727 (emit_store_flag): Likewise.
8728 * expr.c (convert_move, emit_block_move): Likewise.
8729 (clear_storage, emit_push_insn, expand_increment): Likewise.
8730 (do_store_flag): Likewise.
8731 * expr.h (GEN_FCN): Likewise.
8732 (insn_gen_function): Die.
8733 * final.c (final_scan_insn): Update for insn_data change.
8734 (output_asm_name): Likewise.
8735 * function.c (fixup_var_refs_1): Likewise.
8736 * loop.c (check_dbra_loop): Likewise.
8737 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
8738 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
8739 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
8740 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
8741 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
8742 * regmove.c (gen_add3_insn): Likewise.
8743 * reload.c (push_secondary_reload, combine_reloads): Likewise.
8744 (find_reloads, find_reloads_address_1): Likewise.
8745 (debug_reload_to_stream): Likewise.
8746 * reload1.c (emit_reload_insns, gen_reload): Likewise.
8747 * stmt.c (expand_end_case): Likewise.
8748 * toplev.c (compile_file): Likewise.
8750 * c4x/c4x.c (c4x_process_after_reload): Likewise.
8751 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
8753 * print-rtl.c (insn_name_ptr): Remove declaration.
8754 (get_insn_name): Declare.
8755 (print_rtx): Use it.
8756 * genoutput.c (insn_name_ptr): Remove.
8757 (next_operand_number): New.
8758 (struct operand_data): New.
8759 (null_operand, odata, odata_end): New.
8760 (struct data): Use struct operand_data.
8761 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
8762 (get_insn_name): Renamed from name_for_index.
8763 (output_prologue): Define NO_MD_PROTOTYPES.
8764 (output_predicate_decls): Break out from output_epilogue.
8765 Iterate over the operands list.
8766 (output_operand_data): Break out from output_epilogue. Emit
8767 just the operands list.
8768 (output_insn_data): Break out from output_epilogue. Emit just
8770 (output_epilogue): Remove.
8771 (output_get_insn_name): New.
8772 (constraints, op_n_alternatives, predicates, address_p): Die.
8773 (modes, strict_low, seen): Die.
8774 (scan_operands): Take new param `d' instead of writing to
8775 seven global variables.
8776 (compare_operands): New.
8777 (place_operands): New.
8778 (validate_insn_alternatives): Update for struct data change.
8779 (gen_insn): Don't zero or copy 7 global arrays. Update for
8780 scan_operands; call place_operands.
8781 (gen_peephole, gen_expand, gen_split): Likewise.
8782 (main): Update for new output routines.
8784 * genattr.c (insn_name_ptr): Remove.
8785 (get_insn_name): New function.
8786 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
8787 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
8788 * genrecog.c: Likewise.
8790 * alpha.md (adddi3): Make `pattern' array static.
8792 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8794 * config/c4x/c4x.h (c4x_rpts_cycles_string,
8795 c4x_cpu_version_string): Constify char *.
8796 * config/c4x/c4x.c (c4x_rpts_cycles_string,
8797 c4x_cpu_version_string): Likewise.
8799 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
8801 * tree.c (save_tree_status): Revert 10 Sep change.
8802 (restore_tree_status): Likewise. Call obstack_free with NULL
8803 before freeing the obstack proper.
8805 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
8807 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
8809 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
8810 surrounding context.
8812 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
8814 * tree.c (type_hash_canon): Put all types in the hash-table, when
8817 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
8819 * recog.h (struct recog_data, recog_data): New.
8820 (recog_foo variables): Kill.
8821 * recog.c (recog_operand, recog_operand_loc): Kill.
8822 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
8823 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
8824 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
8825 (recog_data): Define.
8826 (extract_insn): Update all recog_foo references to use recog_data.
8827 (preprocess_constraints, constrain_operands): Likewise.
8828 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
8829 * genattrtab.c (main): Likewise.
8830 * genextract.c (main): Likewise.
8831 * genoutput.c: Likewise.
8832 * genrecog.c (write_subroutine, main): Likewise.
8833 * local-alloc.c (block_alloc): Likewise.
8834 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
8835 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
8836 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
8837 * reload.c (find_reloads, find_reloads_toplev): Likewise.
8838 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
8839 (reload_cse_simplify_operands): Likewise.
8841 * arc/arc.c (arc_final_prescan_insn): Likewise.
8842 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
8843 * h8300/h8300.c (notice_update_cc): Likewise.
8844 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
8845 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
8846 * mn10200/mn10200.c (notice_update_cc): Likewise.
8847 * mn10300/mn10300.c (notice_update_cc): Likewise.
8848 * romp/romp.c (update_cc): Likewise.
8849 * sparc/sparc.c (check_pic): Likewise.
8850 * v850/v850.c (notice_update_cc): Likewise.
8852 * genemit.c (main): Don't declare recog_operand.
8854 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
8856 * ggc.h (rtvec_def): Forward declare.
8857 (tree_node): Likewise.
8860 (ggc_set_mark_rtx): Add prototype.
8861 (ggc_set_mark_rtvec): Likewise.
8862 (ggc_set_mark_tree): Likewise.
8863 * ggc-simple.c (ggc_root): Don't define.
8864 (roots): Don't declare.
8865 (ggc_mark_rtx): Remove.
8866 (ggc_mark_rtvec): Likewise.
8867 (ggc_mark_tree): Likewise.
8868 (ggc_mark_varray): Likewise.
8869 (ggc_mark_tree_hash_table_entry): Likewise.
8870 (ggc_mark_tree_hash_table): Likewise.
8871 (ggc_set_mart_rtx): New function.
8872 (ggc_set_mark_rtvec): Likewise.
8873 (ggc_set_mark_tree): Likewise.
8874 (ggc_add_root): Remove.
8875 (ggc_add_rtx_root): Likewise.
8876 (ggc_remove_tree_root): Likewise.
8877 (ggc_add_string_root): Likewise.
8878 (ggc_add_tree_varray_root): Likewise.
8879 (ggc_add_tree_hash_table_root): Likewise.
8880 (ggc_del_root): Likewise.
8881 (ggc_mark_rtx_ptr): Likewise.
8882 (ggc_mark_tree_ptr): Likewise.
8883 (ggc_mark_string_ptr): Likewise.
8884 (ggc_mark_tree_varray_ptr): Likewise.
8885 (ggc_mark_tree_hash_table_ptr): Likewise.
8886 * ggc-common.c: New file.
8887 * Makefile.in (OBJS): Add ggc-common.o.
8888 (ggc-common.o): List dependencies.
8890 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
8892 * cppalloc.c (xstrdup): Use memcpy.
8893 * cpperror.c (cpp_print_containing_files): Don't use
8895 * cpplib.c (conditional_skip): Set temp->lineno.
8896 (do_endif): Make error message less obscure.
8897 (if_directive_name): New function.
8898 (cpp_get_token [case EOF]): Unwind the if stack and generate
8899 error messages for each unterminated conditional in this file.
8900 (parse_string): Do not behave differently if -traditional.
8902 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
8904 * builtins.c (expand_builtin_va_arg): Cope with an array-type
8905 va_list decomposing to pointer-type.
8906 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
8907 (rs6000_va_arg): Likewise.
8909 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
8911 * except.c (start_dynamic_handler): Compute size using
8912 STACK_SAVEAREA_MODE.
8914 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8916 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
8917 include directory headers. Don't define strrchr. Don't provide
8918 my_* replacement functions. Prefer PTR over `pointer_type'.
8919 Don't prototype system functions. Don't redefine getopt.
8921 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
8922 safe_read, safe_write, save_pointers, restore_pointers,
8923 is_id_char, in_system_include_dir, directory_specified_p,
8924 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
8925 find_corresponding_lparen, referenced_file_is_newer,
8926 save_def_or_dec, munge_compile_params, gen_aux_info_file,
8927 process_aux_info_file, identify_lineno, check_source,
8928 seek_to_line, forward_to_next_token_char, output_bytes,
8929 output_string, output_up_to, other_variable_style_function,
8930 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
8931 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
8932 find_static_definition, connect_defs_and_decs, add_local_decl,
8933 add_global_decls, needs_to_be_converted, visit_each_hash_node,
8934 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
8935 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
8936 scan_for_missed_items, edit_file, string_list_cons): Add static
8938 (standard_exec_prefix, target_machine, target_version,
8939 default_syscalls_dir, string_list, string_list_cons, find_file,
8940 do_cleaning): Constify a char*.
8941 (safe_read, safe_write): Use PTR, not a char*.
8942 (is_id_char): Take an int, not a char.
8943 (main): Add prototype. Call return, not exit.
8945 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
8947 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
8948 when comparing types.
8950 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
8952 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
8953 (strength_reduce): Release the varrays from the no-bivs early exit.
8955 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
8956 the loop over the registers.
8958 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
8960 (restore_tree_status): Check that instead when freeing the obstack.
8962 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
8964 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
8967 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8969 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
8970 operand size modifiers.
8972 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8974 * c-common.c (c_common_nodes_and_builtins): Don't build
8976 * c-common.h (enum c_tree_index and related accesor macros): Remove
8977 everything now declared in tree.h.
8978 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
8979 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
8980 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
8981 (error_mark_node, void_type_node, char_type_node, integer_type_node,
8982 unsigned_type_node, ptr_type_node, va_list_type_node,
8983 integer_zero_node, null_pointer_node, integer_one_node): Delete.
8984 (init_decl_processing): Call build_common_tree_nodes and
8985 build_common_tree_nodes_2 instead of building their nodes here.
8986 Don't add roots for these nodes.
8987 * stor-layout.c (size_zero_node, size_one_node): Delete.
8988 (set_sizetype): Make a new node for bitsizetype each time.
8989 * tree.c (global_trees): New variable.
8990 (init_obstacks): Add a gc root for it.
8991 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
8992 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
8993 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
8994 (build_common_tree_nodes): New function.
8995 (fix_sizetype): New function.
8996 (build_common_tree_nodes_2): New function.
8997 * tree.h (enum tree_index): New.
8998 (global_trees): Declare.
8999 Add accessor macros for all nodes now moved to global_trees.
9000 Delete their declarations.
9002 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
9004 * c-decl.c (finish_function): When processing a nested function,
9005 push and pop GC context around rest_of_compilation.
9007 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
9009 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
9010 Default ix86_arch to PROCESSOR_I386.
9011 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
9012 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
9013 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
9014 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
9015 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
9016 (EXTRA_SPECS): Remove deleted specs.
9018 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
9020 * function.c (assign_stack_local_1): Allocate from
9021 function->x_frame_offset, not frame_offset.
9023 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
9025 * ggc.h (lang_cleanup_tree): Remove.
9026 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
9027 * ggc-callbacks.c (lang_cleanup_tree): Remove.
9029 * c-decl.c (finish_struct): Use ggc_alloc to allocate
9030 TYPE_LANG_SPECIFIC when garbage collecting.
9031 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
9032 (lang_cleanup_tree): Remove.
9034 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
9036 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
9037 * crtstuff.c: Not here.
9038 * dwarf2out.c: Or here.
9039 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
9042 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
9044 * function.h (free_after_compilation): Remove decl parameter.
9045 (free_varasm_status0: Likewise.
9046 (free_emit_status): Likewise.
9047 (free_stmt_status): Likewise.
9048 (free_after_compilation): Likewise.
9049 (init_lang_status): New variable.
9050 (free_lang_status): Likewise.
9051 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
9052 * function.c (init_lang_status): New variable.
9053 (free_lang_status): Likewise.
9054 (push_function_context_to): Don't set function::decl here.
9055 (free_after_copmilation): Make decl parameter implicit. Call
9056 free_lang_status if defined.
9057 (prepare_function_start): Call init_lang_status if defined.
9058 (init_function_start): Set function::decl here.
9059 * profile.c (output_func_start_profiler): Don't call pushdecl
9060 until we've actually started the function.
9061 * stmt.c (free_stmt_status): Make decl parameter implicit.
9062 * toplev.c (rest_of_compilation): Don't pass decl to
9063 free_after_compilation.
9064 * varasm.c (free_varasm_status): Likewise.
9066 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9068 * except.c (call_get_eh_context): Add root when allocating static
9071 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
9073 * arm.c: Include "ggc.h".
9074 (arm_add_gc_roots): New function.
9075 (arm_override_options): Call it.
9076 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
9078 * arm.md (define_asm_attributes): Add a pool_range attribute.
9080 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
9082 * extend.texi (Volatiles): New node.
9084 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
9086 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
9087 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
9088 (struct ggc_any): Replace `mark' with `magic_mark'.
9089 (ggc_alloc_string): Use memcpy, not bcopy.
9090 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
9091 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
9092 (ggc_free_any): New.
9093 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
9094 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
9095 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
9096 Use IS_MARKED. Use ggc_free_any.
9098 1999-09-09 Scott Bambrough <scottb@netwinder.org>
9100 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
9102 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
9104 * toplev.c (main): Always init_ggc.
9106 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
9108 * except.c (find_all_handler_type_matches): Free the list if
9109 we found no matches.
9111 * combine.c (SUBST): Break out to a real function do_SUBST.
9112 (SUBST_INT): Likewise.
9113 * gcse.c (free_pre_mem): Free `temp_bitmap'.
9114 (pre_insert): Free `inserted'.
9115 * loop.c (basic_induction_var): Always set `location'.
9117 * function.c (expand_function_end): Add initial_trampoline as a root.
9118 * rtl.h (init_varasm_once): Declare.
9119 * toplev.c (compile_file): Call it.
9120 * ggc-simple.c (ggc_mark_string_ptr): New.
9121 (ggc_add_string_root): New.
9122 (ggc_collect): Disable collection avoidance temporarily.
9123 * ggc.h (ggc_add_string_root): Declare.
9124 * except.c (create_rethrow_ref): Use ggc_alloc_string.
9125 * optabs.c (init_libfuncs): Likewise.
9126 * varasm.c (named_section): Use ggc_alloc_string.
9127 (make_function_rtl): Likewise.
9128 (make_decl_rtl): Likewise.
9129 (assemble_static_space): Likewise.
9130 (assemble_trampoline_template): Likewise.
9131 (output_constant_def): Likewise.
9132 (force_const_mem): Likewise.
9133 (mark_const_hash_entry): New.
9134 (mark_pool_sym_hash_table): New.
9135 (mark_varasm_state): Use it.
9136 (init_varasm_once): New.
9138 * expr.h (init_one_libfunc): Declare.
9139 * optabs.c (init_one_libfunc): New.
9140 (init_optabs): Use it.
9141 * config/gofast.h: Likewise.
9142 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
9143 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
9145 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
9147 * Makefile.in (cppexp.o): Depend on cpphash.h.
9148 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
9150 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
9151 * cpplib.c (do_define): Generalise to handle poisoned definitions,
9152 redefining poisoned identifiers, etc.
9153 (do_undef): Don't allow poisoned identifiers to be undefined.
9154 (do_pragma): Add #pragma poison.
9155 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
9157 * cccp.c: Add T_POISON node type.
9158 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
9160 (do_define): Generalise to handle poisoned definitions,
9161 redefining poisoned identifiers, etc.
9162 (do_undef): Don't allow poisoned identifiers to be undefined.
9163 (do_pragma): Add #pragma poison.
9164 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
9166 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
9167 * c-pragma.h: Add ps_poison state. We now always have generic
9170 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
9172 * ggc.h (ggc_alloc): New function.
9173 (ggc_mark): Likewise.
9174 * ggc-simple.c (ggc_any): New structure.
9175 (ggc_status): Add anys.
9176 (n_anys_collected): New variable.
9177 (ggc_alloc): Define.
9178 (ggc_mark): Likewise.
9179 (ggc_collect): Collect the anys.
9181 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9183 * c-decl.c (mark_binding_level): Make static to match prototype.
9185 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
9187 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
9189 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
9191 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
9192 will use into account. Expand the max width to 5.
9195 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
9197 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
9200 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
9202 * alpha.md (call value patterns): Remove the result predicates.
9204 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
9206 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
9209 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9211 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
9212 changed from extern char *, to extern PTR. Also fix typo in
9213 NEED_DECLARATION_REALLOC test.
9215 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
9217 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9219 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
9220 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
9221 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
9222 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
9224 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
9226 * cccp.c (pcfinclude): Likewise.
9228 * global.c (allocno_compare): Likewise.
9230 * haifa-sched.c (rank_for_schedule): Likewise.
9232 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
9234 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
9236 * stupid.c (stupid_reg_compare): Likewise.
9238 * tree.c (_obstack_allocated_p): Likewise.
9240 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
9242 1999-09-08 Bruce Korb autogen@linuxbox.com
9244 * gcc/ch/Makefile.in: Give the hapless gperf user a hint about
9245 why "gperf -F" fails.
9246 * gcc/cp/Makefile.in: ditto
9247 * gcc/Makefile.in: ditto
9248 * gcc/java/Makefile.in: ditto
9250 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
9252 * lists.c: Include ggc.h.
9254 (init_EXPR_INSN_LIST_cache): Install it.
9256 * ggc-simple.c (init_ggc): Absorb the old init.
9257 (ggc_push_context): Use xcalloc.
9258 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
9259 (ggc_collect): Add [rvts] tags to the collection stats.
9261 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
9263 * cccp.c (main): Fix handling of -include and -imacros options.
9265 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
9267 * cpplib.c (cpp_push_buffer): Fix order of arguments.
9269 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
9271 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
9274 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
9276 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
9277 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
9278 and SET_DEST. Update comment.
9280 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9282 * config/c4x/c4x.c: Include ggc.h.
9283 (c4x_add_gc_roots): New function.
9284 (c4x_override_options): Call c4x_add_gc_roots.
9286 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
9288 * defaults.h (TARGET_ESC): Move ...
9289 * system.h: ... here, where Linas had it in the first place. Silly me.
9291 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
9293 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
9294 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
9295 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
9296 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
9297 * defaults.h (TARGET_ESC): Add default.
9299 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
9301 * configure.in: add i370-*-openedition, i370-*-mvs and
9302 i370-*-linux targets
9304 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
9306 * dsp16xxx.c: Include ggc.h
9307 (override_options): Mark GC roots.
9308 * mn10200.c: Include ggc.h.
9309 (asm_file_start): Mark GC roots.
9310 * tahoe.c: Include ggc.h.
9311 (extensible_operand): Mark GC roots.
9313 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
9315 * README: Add section discussing status of ELF ABI.
9316 * i370.c: Fix misc spelling mistakes.
9317 (i370_label_scan): Updated notes, exception handling.
9318 (i370_function_prolog): Simplify ELF stack handling.
9319 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
9320 (STACK_GROWS_DOWNWARD): ELF stack grows down.
9321 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
9322 * i370.md: (movdi): Add notes.
9323 (floatsidf2): Use stack not rtca for scratch float area.
9324 (iorsi3): Correct operand constraints.
9325 * x-oe: Restore TAROUTOPTS which are used by pax.
9327 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
9329 * rs6000.c: Include ggc.h.
9330 (rs6000_add_gc_roots): New function.
9331 (override_options): Call it.
9333 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
9335 * alpha.h (alpha_compare): New.
9336 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
9337 * alpha.c: Likewise for the definitions.
9338 (alpha_emit_conditional_branch): Update for alpha_compare.
9339 (alpha_emit_conditional_move): Likewise.
9340 * alpha.md (cmpdf, cmpdi): Likewise.
9341 (setcc patterns): Likewise. Zero alpha_compare after use.
9342 (sne): Optimize (x != 0) into (0U < x).
9344 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
9346 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
9347 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
9348 (INIT_EXPANDERS): Remove.
9349 * alpha.c: Include ggc.h.
9350 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
9351 (alpha_init_machine_status, alpha_mark_machine_status): New.
9352 (override_options): Install them.
9353 (struct machine_function): Moved to alpha.h.
9354 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
9355 (alpha_init_expanders): Remove.
9356 (alpha_return_addr): Adjust to use current_function->machine.
9357 (alpha_ra_ever_killed): Likewise.
9358 (alpha_expand_epilogue): Likewise.
9359 * alpha.md (eh_epilogue): Likewise.
9361 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
9362 Melissa O'Neill <oneill@cs.sfu.ca>
9363 Geoffrey Keating <geoffk@cygnus.com>
9365 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
9366 call-used registers (call-saved registers must still be contiguous
9367 and end with r31, of course).
9369 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
9371 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
9372 (self_promoting_type_p): Delete.
9373 (self_promoting_args_p): Move ...
9374 * c-common.c: ... here.
9375 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
9376 (simple_type_promotes_to): New.
9377 * builtins.c (lang_type_promotes_to): New.
9378 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
9379 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
9380 * c-common.h: ... here.
9381 (self_promoting_args_p, simple_type_promotes_to): Declare.
9382 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
9383 (grokdeclarator): Likewise.
9384 * tree.h (lang_type_promotes_to): Declare.
9386 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
9388 Add some machine-dependent GC roots.
9389 * sparc.c: Include ggc.h.
9390 (sparc_add_gc_roots): New function.
9391 (mark_ultrasparc_pipeline_state): Likewise.
9392 (override_options): Call sparc_add_gc_roots.
9393 * pa.c: Include ggc.h.
9394 (pa_add_gc_roots): New function.
9395 (mark_deferred_plabels): Likewise.
9396 (override_options): Call pa_add_gc_roots.
9397 * mips.c: Include ggc.h.
9398 (mips_add_gc_roots): New function.
9399 (override_options): Use it.
9401 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9403 * cpperror.c (cpp_file_line_for_message): Constify a char*.
9405 * cppexp.c (parse_number, parse_charconst, cpp_lex,
9406 cpp_parse_expr): Add static prototypes.
9407 (parse_charconst): Don't cast away const-ness.
9408 (token): Constify a char*.
9410 * cppfiles.c (file_name_list, include_hash, find_include_file,
9411 finclude, initialize_input_buffer): Constify a char*.
9412 (file_cleanup, find_position): Add static prototypes.
9414 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
9415 collect_expansion): Add static prototypes.
9416 (cpp_install, create_definition, monthnames): Constify a char*.
9418 * cpphash.h (cpp_install): Likewise.
9420 * cppinit.c (known_suffixes, default_include,
9421 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
9422 (base_name, dump_special_to_buffer, initialize_dependency_output):
9423 Add static prototypes.
9425 * cpplib.c (my_strerror): Constify a char*.
9426 (null_underflow, null_cleanup, skip_comment, copy_comment,
9427 copy_rest_of_line, handle_directive, pass_thru_directive,
9428 get_directive_token, read_line_number, cpp_print_file_and_line,
9429 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
9430 v_cpp_warning_with_line, detect_if_not_defined,
9431 consider_directive_while_skipping): Add static prototypes.
9432 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
9433 cpp_pedwarn_with_file_and_line): Constify a char*.
9435 * cpplib.h (cpp_options, include_hash, progname, definition,
9436 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
9437 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
9438 find_include_file, deps_output, include_hash): Constify a char*.
9440 * cppmain.c (progname): Constify.
9441 (main): Add prototype. Use return, not exit.
9443 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
9444 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
9445 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
9446 check_protection): Add static prototype.
9448 (progname, recognized_macrom, recognized_extern): Constify a char*.
9449 (main): Add prototype.
9451 * gen-protos.c (progname): Constify a char*.
9453 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
9455 * emit-rtl.c (free_emit_status): Take decl as a parameter.
9456 (init_emit_once): Add more GC roots.
9457 * except.c (mark_func_eh_entry): New function.
9458 (mark_eh_node): Mark false_label and rethrow_label.
9459 (init_eh): Add more GC roots.
9460 * function.c (free_after_compilation): Take decl as a paramter.
9461 Call free_stmt_status.
9462 (mark_function_state): Don't assume x_parm_reg_stack_loc is
9464 * function.h (free_after_compilation): Change prototype.
9465 (free_varasm_status): Likewise.
9466 (free_emit_status): Likewise.
9467 (free_stmt_status): New function.
9468 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
9469 Remove, replacing with ...
9470 (ggc_status): New structure.
9471 (ggc_chain): New variable.
9473 (ggc_push_context): New function.
9474 (ggc_pop_context): Likewise.
9475 (ggc_alloc_rtx): Adjust for use of ggc_chain.
9476 (ggc_alloc_rtvec): Likewise.
9477 (ggc_alloc_tree): Likewise.
9478 (ggc_alloc_string): Likewise.
9479 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
9480 (ggc_mark_tree): Give language-dependent code a chance to mark
9482 (ggc_mark_tree_varray): Handle empty arrays.
9483 (ggc_collect): Adjust for use of ggc_chain. Clear
9484 bytes_alloced_since_last_gc.
9485 * ggc.h (ggc_pop_context): New function.
9486 (ggc_push_context): Likewise.
9487 * print-tree.c (print_node): Don't print obstacks when GC'ing.
9488 * stmt.c (free_stmt_status): New function.
9489 (init_stmt_for_function): Clear last_expr_value.
9490 * toplev.c (rest_of_compilation): Always call free_after_compilation.
9491 Conditionalize call to ggc_collect.
9492 (main): Call init_ggc.
9493 * tree.c (push_obstacks): Do the push, even when GC'ing.
9494 (push_obstacks_nochange): Likewise.
9495 (pop_obstacks): Liekwise.
9496 * varasm.c (free_varasm_status): Take decl as a parameter.
9498 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
9500 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
9501 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
9502 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
9503 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
9505 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
9507 * pa/x-pa-mpeix: New file for the MPE port.
9509 * pa/quadlib.asm: New file for long double support.
9511 * configure.in: Add hppa1.0-*-mpeix for MPE port.
9512 * configure: Rebuilt.
9514 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
9516 * final.c (shorten_branches): Fix last change.
9518 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
9520 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
9522 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
9524 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
9527 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9529 * c-aux-info.c (concat): Don't define.
9531 * cccp.c (my_strerror): Likewise. All callers changed to use
9533 (do_include): Call xstrdup, not xmalloc/strcpy.
9534 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
9535 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
9537 * collect2.c (my_strsignal): Likewise. All callers changed to use
9539 (locatelib): Call xstrdup, not xmalloc/strcpy.
9541 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
9543 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
9545 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
9547 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
9549 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
9551 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
9553 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
9555 (find_all_handler_type_matches): Likewise. Don't check return
9557 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
9558 xmalloc, not malloc.
9559 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
9561 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
9562 (init_spec): Call xcalloc, not xmalloc/bzero.
9563 (set_spec): Call xstrdup, not save_string.
9564 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
9565 (find_a_file): Call xstrdup, not xmalloc/strcpy.
9566 (process_command): Call xstrdup, not save_string.
9567 (main): Call xcalloc, not xmalloc/bzero.
9569 * gcov.c (xmalloc): Don't define.
9570 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
9571 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
9572 (output_data): Call xcalloc, not xmalloc/bzero.
9574 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
9576 * mips-tdump.c (xmalloc): Don't define.
9577 (print_symbol): Call xmalloc, not malloc.
9578 (read_tfile): Call xcalloc, not calloc.
9580 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
9581 Don't define. All callers of xfree/my_strsignal changed to use
9582 free/strsignal instead.
9583 (allocate_cluster): Call xcalloc, not calloc.
9585 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
9586 Fix memory leak, free allocated memory.
9588 * prefix.c (translate_name): Call xstrdup, not save_string.
9589 (update_path): Likewise.
9591 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
9593 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
9594 Don't define. Callers of xfree/savestring2 changed to use
9595 free/concat instead.
9597 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
9598 (init_elim_table): Likewise.
9600 * resource.c (init_resource_info): Likewise.
9602 * stupid.c (stupid_life_analysis): Likewise.
9604 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
9605 (open_dump_file): Call concat, not xmalloc/strcpy/...
9606 (clean_dump_file): Likewise.
9607 (compile_file): Call xstrdup, not xmalloc/strcpy.
9609 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
9611 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
9612 * v850.c (v850_va_arg): New.
9614 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9616 * haifa-sched.c: Tidy comments.
9618 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9620 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
9621 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
9622 $(out_object_file)): Depend on ggc.h.
9623 * c-common.c: Include "ggc.h".
9624 (combine_strings): If doing GC, use ggc_alloc_string.
9625 * c-decl.c: Include "ggc.h".
9626 (ggc_p): Define with value 0.
9627 (mark_binding_level): New function.
9628 (init_decl_processing): Add GC roots.
9629 (mark_c_function_context): New function.
9630 (lang_mark_false_label_stack): New function.
9631 (lang_mark_tree): New function.
9632 (lang_cleanup_tree): New function.
9633 * c-lang.c: Include "ggc.h".
9634 (lang_init): Call c_parse_init.
9635 * c-lex.c: Include "ggc.h".
9636 (check_linenum): If doing GC, don't copy filenames to permanent
9638 * c-parse.in: Include "ggc.h".
9639 (c_parse_init): New function.
9640 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
9641 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
9643 * except.c (mark_eh_state): Mark more state.
9644 * function.c (mark_function_state): Likewise.
9645 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
9646 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
9647 * toplev.c (mark_file_stack): New function.
9648 (compile_file): If doing GC, use ggc_alloc_string on input filename.
9649 (main): Add root for input_file_stack.
9651 * i386.c: Include "ggc.h".
9652 (ix86_mark_machine_status): New function.
9653 (override_options): Set mark_machine_status.
9655 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9657 * tree.c (copy_node): Copy node contents also if doing GC.
9659 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
9661 * collect2.c (scan_libraries): Fix double-thinko :-).
9663 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
9665 * collect2.c (scan_libraries): Fix thinko.
9667 * cse.c (delete_trivially_dead_insns): Do not skip the last
9668 insn if it is a real insn.
9670 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
9672 * Makefile.in (ggc-simple.o): Depend on hash.h.
9673 * ggc.h (ggc_add_tree_hash_table_root): Declare.
9674 (ggc_mark_tree_varray): Likewise.
9675 (ggc_mark_tree_hash_table): Likewise.
9676 * ggc-simple.c: Include hash.h.
9677 (ggc_mark_tree_hash_table_ptr): New function.
9678 (ggc_mark_tree_hash_table_entry): Likewise.
9679 (ggc_mark_tree_hash_table): Likewise.
9680 (ggc_add_tree_hash_table_root): Likewise.
9681 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
9682 rtx, when defining fields.
9684 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
9686 * profile.c (output_func_start_profiler): Remove apparently
9687 nonsensical call to start_sequence.
9689 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
9691 * clipper/clipper.c (clipper_va_start): Fix typos.
9693 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
9694 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
9695 (spur_va_arg): New stub.
9697 * configure.in: Comment out pyramid.
9699 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
9701 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
9702 don't conflict with the bits that win32, cygwin, and dgux
9705 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
9706 Bernd Schmidt <bernds@cygnus.co.uk>
9708 * integrate.c (function_cannot_inline_p): Do not inline
9709 functions with forced labels.
9711 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
9712 Bernd Schmidt <bernds@cygnus.co.uk>
9713 Mark Mitchell <mark@codesourcery.com>
9715 * Makefile.in (ggc-simple.o): Depend on varray.h.
9716 (rtl.o): Depend on ggc.h.
9717 (genattrtab.o): Depend on ggc.h.
9718 (print-tree.o): Likewise.
9719 (fold-const.o): Likewise.
9720 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
9721 (make_insn_raw): Don't cache insns when GC'ing.
9722 (emit_insn_before): Likewise.
9723 (emit_insn_after): Likewise.
9724 (emit_insn): Likewise.
9725 (start_sequence): Use xmalloc to allocate the sequence_stack.
9726 (end_sequence): Add free to free it.
9727 (gen_sequence): Don't cache insns when GC'ing.
9728 (clear_emit_caches): Don't use sequence_element_free_list.
9729 (init_emit): Use xcalloc, not xmalloc+bzero.
9730 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
9731 * function.c (pop_function_context_from): Use free to free the
9732 fixup_var_refs_queue.
9733 (put_reg_into_stack): Allocate it with xmalloc.
9734 * genattrtab.c: Include ggc.h.
9735 (operate_exp): Don't use obstack_free when GC'ing.
9736 (simplify_cond): Likewise.
9737 (simplify_text_exp): Likewise.
9738 (optimize_attrs): Likewise.
9739 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
9741 (gencode): Generate a #include for ggc.h.
9742 * ggc-callbacks.c (ggc_p): Define it to zero.
9743 * ggc-none.c (ggc_p): Likewise.
9744 * ggc-simple.c: Include varray.h.
9745 (ggc_mark_tree_varray): New function.
9746 (ggc_add_tree_varray_root): Likewise.
9747 (ggc_mark_tree_varray_ptr): Likewise.
9748 * ggc.h (ggc_p): Declare.
9749 (varray_head_tag): Likewise.
9750 (ggc_add_tree_varray_root): Declare.
9751 * print-tree.c (print_node): Don't check for TREE_PERMANENT
9752 inconsistencies when GC'ing.
9753 * rtl.c: Include ggc.h.
9754 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
9755 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
9756 (rtx_free): Don't call obstack_free when GC'ing.
9757 * toplev.c (rest_of_compilation): Call ggc_collect after every
9759 * tree.c (push_obstacks): Do nothing, if GC'ing.
9760 (pop_obstacks_nochange): Likewise.
9761 (pop_obstacks): Likewise.
9762 (make_node): Use ggc_alloc_tree when GC'ing.
9763 (copy_node): Likewise.
9764 (get_identifier): Use ggc_alloc_string when GC'ing.
9765 (build_string): Likewise.
9766 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
9767 (tree_cons): Likewise.
9769 (type_hash_canon): Don't call obstack_free when GC'ing.
9771 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
9773 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
9774 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
9776 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
9777 Bernd Schmidt <bernds@cygnus.co.uk>
9778 Mark Mitchell <mark@codesourcery.com>
9780 * Makefile.in (stor-layout.o): Depend on ggc.h.
9781 (expr.o): Depend on ggc.h.
9782 (profile.o): Depend on ggc.h.
9783 (stor-layout.o): Depend on ggc.h.
9784 * emit-rtl.c (init_emit_once): Add gc roots.
9785 * expr.c: Include ggc.h.
9786 (emit_block_move): Add gc roots.
9787 (clear_storage): Likewise.
9788 * expr.h (init_stor_layout_once): New function.
9789 * profile.c: Include ggc.h.
9790 (init_arc_profiler): profiler_label is a root.
9791 * scan.c (make_sstring_space): Trust xrealloc to function
9792 correctly with first parameter NULL.
9793 * stor-layout.c: Include ggc.h.
9794 (set_sizetype): Add gc root.
9795 (init_stor_layout_once): New function.
9796 * toplev.c (compile_file): Call it.
9798 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
9799 Bernd Schmidt <bernds@cygnus.co.uk>
9800 Mark Mitchell <mark@codesourcery.com>
9802 * Makefile.in (tree.o): Depend on ggc.h.
9803 (varasm.o): Likewise.
9804 (function.o): Likewise.
9806 (except.o): Likewise.
9807 (optabs.o): Likewise.
9808 (emit-rtl.o): Likewise.
9809 * emit-rtl.c: Include ggc.h.
9810 (sequence_element_free_list): Remove, and all references.
9811 (mark_sequence): New functions.
9812 (mark_emit_state): New function.
9813 * except.c: Include ggc.h.
9814 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
9815 (mark_tree_label_node): New functions.
9816 (mark_eh_state): New function.
9817 * function.c: Include ggc.h.
9818 (mark_temp_slot, mark_function_chain): New functions.
9819 (mark_function_state): New function.
9820 (init_function_once): New function.
9821 * function.h (init_function_once): New function.
9822 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
9823 * ggc.h (label_node): Declare.
9824 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
9825 (lang_mark_false_label_stack): New function.
9826 (mark_temp_slot): Remove declaration.
9827 (mark_function_chain): Likewise.
9828 (mark_eh_state): Adjust prototype.
9829 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
9831 * optabs.c: Include ggc.h.
9832 (mark_optab): New function.
9833 (init_optabs): Add gc roots.
9834 * stmt.c: Include ggc.h.
9835 (mark_cond_nesting, mark_loop_nesting): New functions.
9836 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
9837 (mark_stmt_state): New function.
9838 * toplev.c (compile_file): Call init_function_once.
9839 * tree.c: Include ggc.h.
9840 (type_hash): Move declaration earlier in file.
9841 (TYPE_HASH_SIZE, type_hash_table): Likewise.
9842 (init_obstacks): Add gc roots.
9843 (mark_type_hash): New function.
9844 * varasm.c: Include ggc.h.
9845 (mark_pool_constant): New function.
9846 (mark_varasm_state): New function.
9848 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9850 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
9852 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9854 * c-decl.c (struct language_function): Renamed from struct c_function.
9856 (c_function_chain): Delete.
9857 (push_c_function_context): New arg F. Don't warn about nested
9858 functions here. Fill LANGUAGE elt of F. Delete code to update
9859 c_function_chain. Don't call push_function_context.
9860 (pop_c_function_context): New arg F. Restore from there instead of
9861 from c_function_chain. Don't call pop_function_context. Clear out
9862 LANGUAGE field of F when done.
9863 * c-lang.c: Include "function.h"
9864 (lang_init): Initialize save_lang_status and restore_lang_status.
9865 * c-parse.in (nested_function, nested_function_notype): Warn about
9866 nested functions. Call push_function_context/pop_function_context
9867 instead of the _c_ variants.
9868 * c-tree.h (push_c_function_context, pop_c_function_context): Update
9870 * Makefile.in (c-lang.o): Update dependencies.
9872 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
9873 regno_pointer_flag, regno_pointer_align.
9874 (gen_reg_rtx): Use xrealloc to enlarge them.
9875 (free_emit_status): New function.
9876 * function.c (mark_machine_status, mark_lang_status): New variables.
9877 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
9878 in some bits from assign_stack_local. All callers changed to use new
9880 (assign_stack_local): Just call assign_stack_local_1.
9881 (free_after_compilation): New function.
9882 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
9883 (trampoline_address): Likewise.
9884 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
9885 (prepare_function_start): Explicitly clear some more variables.
9886 * function.h (struct function): New elt can_garbage_collect.
9887 (mark_machine_status, mark_lang_status): Declare variables.
9888 (free_after_compilation, free_emit_status, free_varasm_status,
9889 init_varasm_status): Declare functions.
9890 * toplev.c (rest_of_compilation): Call free_after_compilation when
9891 done with the current function.
9892 * varasm.c (free_varasm_status): New function.
9894 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
9896 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
9897 (EXPAND_BUILTIN_VA_ARG): Define.
9898 * sparc.c (sparc_va_start): New.
9899 (sparc_va_arg): New.
9901 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9903 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
9905 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9907 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
9909 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
9911 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
9913 (ggc-callbacks.o): New target.
9914 * ggc-callbacks.c: New file.
9916 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9918 * expr.h: Collapse individual optab and libfunc vars to arrays.
9919 (optab_index, libfunc_index): New enumerations.
9920 (optab_table, libfunc_table): New arrays.
9921 Add accessor macros for both.
9923 * optabs.c (optab_table, libfunc_table): New.
9924 Delete declarations for individual optab and libfunc vars.
9926 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
9928 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
9930 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
9932 * Makefile.in (GGC, GGC_LIB): New.
9933 (HOST_RTL): Include ggc-none.o.
9934 (ggc-simple.o): New target.
9935 (ggc-none.o): Likewise.
9936 * tree.h (tree_common): Add gc_mark.
9937 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
9938 (struct rtvec_def): Add gc_mark.
9939 * emit-rtl.c (global_rtl): Update static initializers to contain
9940 enough initializers.
9941 * ggc.h, ggc-none.c, ggc-simple.c: New files.
9942 * toplev.c (gc_time): New variable.
9943 (all_time): New variable.
9944 (compile_file): Print gc time.
9945 (print_time): Calculate percentage of the whole.
9947 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9949 Change obstack memory management and varasm constant pool handling so
9950 that nested functions are treated like any other functions.
9951 * function.c (init_machine_status): New variable.
9952 (push_function_context_to): Set contains_functions for the outer
9953 function. Don't call save_varasm_status.
9954 (pop_function_context_from): Don't call restore_varasm_status. Don't
9955 set current_function_contains_functions.
9956 (prepare_function_start): Call init_varasm_status rather than
9957 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
9959 * function.h (struct function) Add field varasm. Delete fields
9960 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
9961 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
9962 (init_machine_status): Declare.
9963 (save_varasm_status, restore_varasm_status): Delete declarations.
9964 (save_tree_status, restore_tree_status): Delete last argument.
9965 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
9966 code. All callers changed.
9967 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
9968 save_constants_in_decl_trees, restore_constants, save_constants,
9969 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
9971 (inlining): New variable.
9972 (reg_map, label_map, insn_map, orig_asm_operands_vector,
9973 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
9975 (save_for_inline_nocopy): Don't save constants.
9976 Don't set inl_emit field in current_function.
9977 (expand_inline_function): Use emit field, not inl_emit, of the inlined
9978 function. Set new variable inlining before
9979 calling copy_rtx_and_substitute.
9980 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
9981 constant pool references if inlining is nonzero.
9982 Delete ADDRESS and (most of the) CONST cases.
9983 (output_inline_function): Save and restore current_function/
9984 current_function_decl. Delete restore_constants code. Don't call
9985 init_const_rtx_hash_table.
9986 * output.h (init_const_rtx_hash_table): Don't declare.
9987 * rtl.h (struct function): Declare.
9988 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
9989 * toplev.c (rest_of_compilation): Don't treat nested functions or
9990 functions containing them specially. Delete all code to deal with
9991 save_for_inline_copying.
9992 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
9993 inline_obstacks): Delete variables.
9994 (save_tree_status): Lose arg CONTEXT. All callers changed.
9995 Simply allocate a new function_maybepermanent_obstack for the new
9996 function, delete all the special cases.
9997 Don't save inline_obstacks.
9998 (restore_tree_status): Lose arg CONTEXT. All callers changed.
9999 Delete special handling for function_maybepermanent_obstack; simply
10001 Don't restore inline_obstacks.
10002 (permanent_allocation): Delete code that frees inline_obstacks.
10003 (print_inline_obstack_statistics): Delete function.
10004 (dump_tree_statistics): Don't call it.
10005 * varasm.c (struct varasm_status): New.
10006 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
10007 last_pool, pool_offset, const_double_chain): Delete global
10008 variables, replace with accessor macros.
10009 (immed_double_const): Don't walk const_double_chain outside a
10010 function, but don't treat nested functions specially anymore.
10011 (immed_real_const_1): Likewise.
10012 (clear_const_double_mem): Don't treat nested functions specially.
10013 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
10014 (save_varasm_status, restore_varasm_status): Delete functions.
10015 (init_varasm_status): New function.
10016 (force_const_mem): Don't treat nested functions specially.
10017 (find_pool_constant): Accept new arg F, search for constants in
10018 that function's pool rather than the current one. All callers
10020 (get_pool_constant_for_function, get_pool_mode_for_function): New
10023 * i386.c (init_386_machine_status): New function, mostly from
10024 clear_386_stack_locals.
10025 (struct machine_functions): Rename element names to avoid name
10027 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
10028 macros, replacing global variables.
10029 (clear_386_stack_locals, save_386_machine_status,
10030 restore_386_machine_status): Delete functions.
10031 (override_options): Initialize init_machine_status.
10032 * i386.h (INIT_EXPANDERS): Delete macro.
10033 (save_386_machine_status, restore_386_machine_status,
10034 clear_386_stack_locals): Delete declarations.
10036 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10038 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
10039 (doloop_begin): Simplify pattern and use emit_jump_insn.
10040 (doloop_end): Simplify pattern, switch operand order,
10041 and use emit_jump_insn.
10043 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
10045 * function.h (struct function): Add new element LANGUAGE.
10046 (save_lang_status): Declare new variable.
10047 (restore_lang_status): Likewise.
10048 * function.c (save_lang_status): Define.
10049 (restore_lang_status): Likewise.
10050 (push_function_context_to): Call language-specific save function.
10051 (pop_function_context_from): Call language-specific restore function.
10053 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
10055 * i386.md (movsf_1): Check REG_P before use of REGNO.
10056 (movdf_1): Likewise.
10057 (movxf_1): Likewise.
10058 (extendsfdf2): Likewise.
10059 (extendsfxf2): Likewise.
10060 (extenddfxf2): Likewise.
10062 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10064 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
10065 constants into memory.
10066 (c4x_shiftable_constant): New function.
10067 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
10068 (c4x_shiftable_constant): Declare.
10069 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
10070 ashlqi3_noclobber): Add new patterns and associated splitters.
10072 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
10074 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
10075 * dwarf2out.c (dwarf2out_frame_init): Likewise.
10076 * final.c (shorten_branches): Likewise.
10077 * global.c (global_alloc): Likewise.
10078 * haifa-sched.c (build_control_flow): Likewise.
10079 * stmt.c (check_for_full_enumeration_handling): Likewise.
10080 (estimate_case_costs): Likewise.
10082 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
10084 * rtl.h (RTL_CHECKC2): Fix typo in last change.
10086 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
10088 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
10089 (recompute_reg_usage): Likewise.
10090 * rtlanal.c (find_regno_fusage): Likewise.
10092 * rtl.c (rtl_check_failed_code1): New function.
10093 (rtl_check_failed_code2): New.
10094 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
10095 (RTL_CHECKC1, RTL_CHECKC2): New.
10096 (XC*): New accessor macros.
10097 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
10098 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
10099 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
10100 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
10101 (TRAP_*, RANGE_INFO_*): Likewise.
10103 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10105 * Makefile.in (tlink.o): Don't depend on toplev.h.
10107 * collect2.c (c_file, o_file, export_file, import_file, ldout,
10108 output_file, nm_file_name, ldd_file_name, strip_file_name,
10109 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
10110 add_prefix, prefix_from_env, prefix_from_string, do_wait,
10111 fork_execute, maybe_unlink, add_to_list,
10112 extract_init_priority, write_list, dump_list,
10113 dump_prefix_list, write_list_with_asm, write_c_file,
10114 write_c_file_stat, write_c_file_glob, scan_prog_file,
10115 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
10116 ignore_library, extract_string, notice, dump_file, target_machine,
10117 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
10118 read_file, print_load_command): Constify a char*.
10119 (fdopen, error, fatal, fatal_perror): Don't prototype.
10120 (my_strerror): Remove. All callers use xstrerror instead.
10121 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
10122 (main): Add prototype. Constify lots of char* ptrs. Change calls
10123 to xcalloc/strcpy/strcat/... to one call to concat.
10124 (main, scan_prog_file, scan_libraries): Use an intermediate
10125 `const char **' to build an argv array.
10126 (mapfile, libselect, libcompare, locatelib): Add prototypes.
10128 * collect2.h (collect_execute, collect_wait, dump_file,
10129 file_exists): Constify a char*.
10130 (ldout, c_file_name, temporary_obstack, permanent_obstack,
10131 temporary_firstobj, vflag, debug): Add extern declarations.
10132 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
10134 * tlink.c: Don't include toplev.h.
10135 (vflag, debug, ldout, c_file_name, temporary_obstack,
10136 permanent_obstack, temporary_firstobj): Don't declare.
10137 (tlink_execute, frob_extension, symbol_hash_lookup,
10138 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
10139 recompile_files, read_repo_files, demangle_new_symbols,
10140 scan_linker_output): Constify a char*.
10141 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
10142 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
10144 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
10146 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
10147 (relative) rather than jsr (absolute) subroutine call insns.
10148 * config/m68k/m68k-coff.h: Ditto.
10150 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
10152 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
10153 now rework these too.
10154 (arm_reorg): If an insn can't reach the end of the current pool,
10155 ensure that we emit that pool before the insn.
10157 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
10159 * tlink.c (scan_linker_output): Skip the initial underscore in
10160 a mangled name if appropriate.
10162 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10164 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
10165 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
10166 error_with_ivar, gen_declarator, create_builtin_decl,
10167 my_build_string, generate_descriptor_table, generate_ivars_list,
10168 generate_dispatch_table, check_protocols, TAG_GETCLASS,
10169 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
10170 dump_base_name, lang_decode_option, build_encode_expr,
10171 start_class, finish_class, encode_pointer, really_start_method,
10172 gen_declaration, dump_interface, handle_class_ref, handle_impent):
10174 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
10175 Add static prototypes.
10176 (build_objc_string_decl, build_selector_reference_decl,
10177 encode_bitfield, build_class_reference_decl): Remove unused
10178 parameter, all callers changed.
10179 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
10180 (objc_printable_name): Likewise. Change second parameter to type int.
10181 (init_objc): Use memcpy, not bcopy, to avoid casts.
10183 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
10185 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
10186 reg notes on a deleted insn.
10187 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
10189 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
10191 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
10193 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10195 * stmt.c (expand_asm_operands): Fix index into inout_mode when
10198 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
10200 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
10201 * tm.texi (MD_ASM_CLOBBERS): Document it.
10203 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
10205 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
10206 * except.c (expand_rethrow): Remove unused variable.
10207 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
10208 * flow.c (replace_insns): Likewise.
10209 (create_edge_list, verify_edge_list): Likewise.
10210 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
10212 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
10213 is special code to run.
10214 (main): Don't define operands to emit_operand.
10215 * genrecog.c (main): Don't emit an empty peephole2_insn function.
10217 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
10219 * alpha/alpha.h (normal_memory_operand): Declare.
10220 (reg_no_subreg_operand): Declare.
10221 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
10223 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
10225 * c-parse.in (compstmt_primary_start): New, broken out of first
10226 part of compstmt handling in primary.
10227 (primary): Use it. Add an error clause.
10228 (compstmt_nostart): Renamed from compstmt; remove all
10229 initial invocations of compstmt_start.
10232 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
10234 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
10237 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
10239 * combine.c (simplify_shift_const): Remove extra semicolon.
10240 * dwarf2out.c (remove_AT): Likewise.
10241 * expmed.c (expand_mult): Likewise.
10242 * gcov.c (create_program_flow_graph): Likewise.
10243 * reorg.c (mostly_true_jump): Likewise.
10245 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
10247 * fold-const.c (fold_range_test): Do not try to fold the range
10248 test if the rhs or lhs has side effects.
10250 * combine.c (simplify_rtx): Recognize another case of a synthesized
10253 * varasm.c (mark_constant_pool): When marking indirect references,
10254 only look at SYMBOL_REFs.
10256 * except.c (expand_fixup_region_end): Do not peek at
10257 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
10259 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
10261 * flags.h: New variables align_loops, align_loops_log,
10262 align_jumps, align_jumps_log, align_labels, align_labels_log,
10263 align_functions, align_functions_log.
10264 * toplev.c: Define them.
10265 (f_options): Handle -falign-* when they have no argument.
10266 (main): Add logic to set variables for -falign-functions,
10267 -falign-jumps, -falign-labels, -falign-loops.
10268 Make it -fsched-verbose=<n> and -finline-limit=<n>.
10269 (display_help): Change help to match options.
10270 * final.c (LABEL_ALIGN): Default to align_labels_log.
10271 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
10272 (LOOP_ALIGN): Default to align_loops_log.
10273 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
10274 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
10275 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
10276 * varasm.c (assemble_start_function): Handle align_functions.
10278 * config/sparc/sparc.h: Don't declare sparc_align_*.
10279 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
10280 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
10282 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
10284 * config/sparc/sparc.c: Delete sparc_align_loops,
10285 sparc_align_jumps, sparc_align_funcs and the corresponding string
10287 (sparc_override_options): Default align_functions on ultrasparc.
10288 Delete -malign-* handling.
10290 * config/mips/mips.c (override_options): On 64-bit targets,
10291 try to align code to 64-bit boundaries.
10292 (print_operand): New substitution, %~,
10293 which aligns labels to align_labels_log.
10294 * config/mips/mips.md (div_trap_normal): Use %~.
10295 (div_trap_mips16): Likewise.
10297 (absdi2): Likewise.
10298 (ffssi2): Likewise.
10299 (ffsdi2): Likewise.
10300 (ashldi3_internal): Likewise.
10301 (ashrdi3_internal): Likewise.
10302 (lshrdi3_internal): Likewise.
10303 (casesi_internal): Likewise.
10305 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
10307 Merge new ia32 backend from the branch!
10309 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
10310 See ChangeLog.P2 on new_ia32_branch for details.
10312 * rtl.h (stack_regs_mentioned_p): Delete prototype.
10313 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
10314 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
10315 * i386/gas.h (ASM_FILE_START): Define.
10316 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
10317 for name change of ix86_valid_decl_attribute_p.
10318 (i386_pe_valid_type_attribute_p): Similarly.
10320 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
10322 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
10323 to step through CC modes.
10325 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10327 * regmove.c (fixup_match_1): Don't move INSN in front of P if
10328 it would end up in the shadow of a live flags regsiter.
10330 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10332 * reload1.c: Fix many indentation problems.
10333 * reload.c: Likewise.
10335 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
10337 * alias.c (non_local_reference_p): Constify fmt.
10339 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
10341 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
10343 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
10345 * cse.c (delete_trivially_dead_insns): Do not delete stores to
10346 the internal_arg_pointer.
10348 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
10350 Merge peephole2 from new_ia32_branch:
10351 * Makefile.in (STAGESTUFF): Add *.peephole2.
10352 (mostlyclean): Likewise.
10353 (recog.o): Depend on resource.h.
10355 * final.c (peephole): Conditionalize decl on HAVE_peephole.
10356 (final_scan_insn): Likewise for the invocation of peephole.
10357 * genconfig.c (main): Look for peephole and peephole2 patterns.
10358 Emit HAVE_peephole* accordingly.
10359 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
10360 * flags.h (flag_peephole2): Declare.
10361 * toplev.c: New pass peephole2. New flag -fpeephole2.
10363 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
10364 * gencodes.c (main): Likewise.
10365 * genextract.c (main): Likewise.
10366 * genoutput.c (main): Likewise.
10367 * genemit.c (max_operand_1): Look for the max scratch operand.
10368 (gen_rtx_scratch): New.
10369 (gen_exp): Use it, and pass on new arg subroutine_type.
10370 (gen_expand): Take max scratch into account.
10371 (gen_split): Emit peephole2 functions.
10372 (output_peephole2_scratch): New.
10373 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
10374 * genrecog.c (routine_type): Add PEEPHOLE2.
10376 (make_insn_sequence): Match outer parallel for peep2. Discard
10377 top level scratches and dups.
10378 (add_to_sequence): New args insn_type and top. Update all callers.
10379 Handle toplevel peep2 matching insns.
10380 (write_subroutine): Handle peep2.
10381 (write_tree_1): Likewise.
10382 (write_tree): Likewise.
10384 (change_state): New arg afterward. Update all callers.
10385 Handle matching separate insns.
10386 * recog.c (recog_next_insn): New.
10387 (peephole2_optimize): New.
10388 * rtl.def (DEFINE_PEEPHOLE2): New.
10389 * resource.c (find_free_register): New argument last_insn. Use it
10390 to find a register available through the entire span.
10391 * resource.h (find_free_register): Update prototype.
10393 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
10395 * i386.c (output_strlen_unroll): Don't write xops[7]
10396 label if it wasn't set.
10398 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
10400 * cpplib.c (struct directive): Const-ify name pointer and
10401 function pointer prototype.
10402 (validate_else, do_define, do_line, do_include, do_undef,
10403 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
10404 do_elif, do_endif, do_sccs, do_assert, do_unassert,
10405 do_warning): Const-ify second arg.
10406 (directive_table): Mark const. Reorder entries by frequency
10407 of usage, record statistics.
10409 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
10411 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
10412 bounds- check RTL accesses if --enable-checking.
10413 (RTVEC_ELT): Bounds check if --enable-checking.
10414 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
10415 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
10416 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
10418 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
10419 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
10421 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
10422 (NOTE_SOURCE_FILE): Use X0STR.
10423 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
10424 MEM_ALIAS_SET): Use X0INT.
10425 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
10426 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
10428 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
10429 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
10430 (rtl_check_failed_bounds, rtl_check_failed_type1,
10431 rtl_check_failed_type2, rtvec_check_failed_bounds): New
10433 (fancy_abort): Fix comment.
10435 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
10436 (cse_insn): Decrement LABEL_NUSES for jump target before
10437 deleting jump insn.
10438 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
10439 * final.c (alter_subreg): Compute regno before changing x to
10440 REG; set REGNO(x) after changing it.
10441 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
10442 notes containing CONST_INTs.
10443 (delete_eh_regions): Use NOTE_EH_HANDLER.
10444 * function.c (put_reg_into_stack): Make reg a MEM before
10446 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
10448 (gen_mem_addressof): Make reg a MEM before initializing it.
10449 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
10451 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
10452 deleting an insn, not after.
10453 (block_alloc): Only look at PATTERN(insn) if we have to, and
10454 only if it's format class 'i'.
10455 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
10456 CONST_INT before using its INTVAL.
10457 * print-rtl.c (print_rtx): Use X0STR.
10458 * regmove.c (fixup_match_1): Don't look at PATTERN of
10459 non-class-'i' insn chain elements.
10460 * reload.c (loc_mentioned_in_p): Take address of
10461 in->fld[1].rtx directly.
10462 * reload1.c (reload): Change reg to a MEM before initializing
10464 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
10466 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
10468 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
10470 * config/mips/mips.c (machine_dependent_reorg): Force a
10471 barrier to output the local constant pool if a barrier hasn't
10472 been found at a natural point in the instruction stream.
10474 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10476 * c-parse.in (language_string): Constify.
10478 * dwarf2out.c (language_string): Remove declaration.
10480 * dwarfout.c (language_string): Likewise.
10482 * toplev.c (language_string, init_parse, finish_parse): Likewise.
10484 * tree.h (language_string, init_parse, finish_parse): Declare.
10486 * i386/sun386.h (language_string): Remove declaration.
10488 * mips.h (language_string): Likewise.
10490 * nextstep.h (language_string): Likewise.
10492 * nextstep21.h (language_string): Likewise.
10494 * rs6000.c (language_string): Likewise.
10496 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10498 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
10499 (getpwd.o): Remove target.
10501 * getpwd.c: Delete file. Its in libiberty now.
10503 * dbxout.c (getpwd): Don't prototype.
10504 * dwarf2out.c (getpwd): Likewise
10505 * dwarfout.c (getpwd): Likewise
10506 * final.c (getpwd): Likewise.
10507 * protoize.c (getpwd): Likewise.
10509 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10511 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
10513 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
10515 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
10516 mark_set_resources.
10518 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
10520 * fixinc/Makefile.in (subdir): New.
10521 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
10524 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
10526 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
10527 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
10530 * invoke.texi: Fix typo.
10532 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
10533 changed. Handle autoincrement addressing modes.
10535 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
10536 just like we would the virtual incoming args register when
10539 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
10541 * rs6000.h (ASM_FILE_START): Specify complete filename, including
10542 path, in .file directive.
10544 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
10546 * gcc.texi (External Bugs): Remove obsolete note about Perl on
10549 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
10551 * stdbool.h: Make the typedef name _Bool, with bool a #defined
10554 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10556 * tree.c (tree_code_name): Constify a char*.
10558 * tree.h (tree_code_name, decl_printable_name): Likewise.
10560 * function.h (struct function): Likewise.
10562 * toplev.c (decl_name, decl_printable_name): Likewise.
10564 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
10566 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
10567 (init_objc): Remove function pointer cast.
10569 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
10571 * pa.md (interspace_jump): New pattern.
10572 (builtin_longjmp): New expander.
10574 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
10576 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
10577 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
10578 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
10580 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
10582 * jump.c (delete_prior_computation): Also check calls
10583 to constant functions. Don't bother checking for a
10584 REG_UNUSED note before adding it.
10585 (delete_computation): Handle multi-word hard registers
10586 when synthesizing missing REG_DEAD notes for a register
10587 which is both set and used by an insn.
10589 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10591 * loop.c (this_loop_info): New variable.
10592 (loop_has_call, loop_has_volatile, loop_has_tablejump,
10593 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
10595 (prescan_loop, strength_reduce): New argument loop_info. All callers
10597 (scan_loop): New variable loop_info, initialise to address of
10599 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
10600 Delete variable loop_has_multiple_exit targets and replace with
10601 field in this_loop_info.
10602 (find_and_verify_loops): Rename this_loop to this_loop_num.
10603 (strength_reduce): Delete loop_iteration_info. Replace variable
10604 loop_info with function argument of same name.
10605 (insert_bct): Rework test for loop being completely unrolled.
10607 * loop.h (struct loop_info): New fields num, loops_enclosed,
10608 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
10609 has_indirect_jump, and cont. Redefine use of unroll_number.
10610 (loop_unroll_number): Delete.
10612 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
10613 field of loop_info.
10614 (loop_iterations): Delete variable vtop and instead use
10615 loop_info->vtop computed in prescan_loop.
10617 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
10619 * fix-header.c (main): Do not pass a null pointer to strcmp.
10621 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
10623 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
10625 * configure: Rebuilt.
10627 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
10629 * jump.c (jump_optimize_1): Do not delete assignments to
10630 internal_arg_pointer.
10631 * cse.c (delete_trivially_dead_insns): Always consider a set of
10632 the internal_arg_pointer live.
10634 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
10636 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
10637 (update_life_info) [REG_WAS_0]: Search the original insns rather
10638 than the new insns for the note. Fix typos finding note_dest.
10639 If no dest found, discard the note rather than abort.
10640 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
10641 (replace_insns): Remove the old insn list after update_life_info
10644 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
10646 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
10647 sched_analyze_insn.
10648 (sched_analyze_1): Let add_dependence care for not adding dups.
10649 (sched_analyze_2): Likewise.
10650 (add_branch_dependences): Likewise.
10652 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
10654 * i386/winnt.c (export_list): New type.
10655 (exports_head): Rename to
10656 (export_head): this.
10657 (i386_pe_record_exported_symbol): Add is_data flag.
10658 (i386_pe_asm_file_end): Emit directive for exported variables.
10659 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
10661 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
10662 (ASM_DECLARE_OBJECT_NAME): Likewise.
10663 (ASM_DECLARE_FUNCTION_NAME): Likewise.
10664 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
10666 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
10668 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
10670 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
10673 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
10675 * config/openbsd.h: Define SET_ASM_OP.
10676 * tm.texi: cross-reference SET_ASM_OP in the index.
10678 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
10680 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
10681 for a CONST_DOUBLE, at compile time. Initialize rtx_length
10682 and class_narrowest_mode at compile time. Kill init_rtl.
10683 Mark rtx_length, mode_class, mode_size, mode_unit_size,
10684 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
10685 rtx_format as const. Kill all references to EXTRA_CC_MODES or
10687 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
10689 * rtl.h: Declare rtx_length and rtx_format as const.
10690 * machmode.def: Define CC(). Use CC() to define CCmode. If
10691 EXTRA_CC_MODES is defined, expand it here.
10692 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
10693 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
10694 const. Kill all references to EXTRA_CC_MODES.
10696 * toplev.c: Don't prototype or call init_rtl.
10697 * optabs.c: Don't call init_mov_optab.
10698 * genemit.c: Don't generate init_mov_optab. Don't call
10700 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
10702 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
10703 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
10704 genrecog.c: Don't call init_rtl.
10706 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
10707 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
10708 definition of EXTRA_CC_MODES.
10710 * md.texi: Kill ref to EXTRA_CC_NAMES.
10711 * tm.texi: Document new way to define EXTRA_CC_MODES.
10713 * genrecog.c: Do not look up the name of a define_split.
10714 (Unrelated bugfix.)
10716 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
10718 * config/v850/v850.md: Fix typo introduced by previous delta.
10720 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10722 * gcc.c (fatal): Make definition static to match prototype.
10724 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10726 * combine.c (get_last_value): Don't look for earlier sets if the last
10727 known set is somewhere in between the insns being combined.
10729 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
10731 * configure.in: Don't use shell ! to negate exit codes
10732 * configure: Regenerate
10734 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
10736 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
10737 the fact that ALIGN is measured in bits, not bytes.
10739 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
10741 * errors.c: New file; defines functions error, warning, and
10742 fatal, variables have_error and progname.
10743 * errors.h: New file; prototypes and decls for stuff in errors.c.
10745 * Makefile: Add rules to build errors.o and
10746 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
10747 genopinit, genrecog, genextract, genpeep, genattr, and
10748 genoutput with errors.o. Add errors.h to deps of genconfig.o,
10749 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
10750 genpeep.o, genattr.o, and genoutput.o.
10752 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
10753 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
10754 define or prototype fatal. Set progname at beginning of main.
10755 * genoutput.c: Likewise, and don't define or prototype error
10758 * c-typeck.c (c_expand_start_case): Return immediately if exp
10760 * fold-const.c (operand_equal_p): Return immediately if arg1
10761 or arg0 are ERROR_MARKs.
10762 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
10763 fields of type ERROR_MARK when calculating if the record can
10766 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
10767 with much help from Jeffrey A Law and Richard Henderson
10769 * i386.md: In the 6 insns which call output_fix_trunc,
10770 earlyclobber operands[0].
10772 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
10774 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
10775 creating new registers.
10777 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
10779 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
10780 i386_reg_alloc_order, i386_regparm_string,
10781 i386_align_loops_string, i386_align_jumps_string,
10782 i386_align_funcs_string, i386_preferred_stack_boundary_string,
10783 and i386_branch_cost_string as type "const char *".
10784 * i386.c: Define all above strings as type "const char *".
10786 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
10788 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
10789 when emitting alignment padding. Emit padding byte of 0 instead of 4.
10791 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
10793 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
10794 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
10796 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
10798 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
10799 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
10800 (dwarf2out_line, dwarf2out_finish): Likewise.
10801 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
10803 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
10805 * tree.c (lang_unsave_expr_now) : Correct return type.
10806 * tree.h (lang_unsave_expr_now) : Same.
10808 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
10810 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
10811 instead of duplicating code.
10813 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10815 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
10817 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
10819 * tree.h: fancy_abort always takes three args.
10820 * resource.c: Move include of system.h before toplev.h.
10822 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
10824 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
10827 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
10829 * system.h: Don't redefine abort or trim_filename.
10830 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
10831 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
10832 whether or not __FUNCTION__ is available.
10833 * tree.h: Duplicate rtl.h's definition of abort, for files
10834 that don't include rtl.h. Delete all code to perform type
10835 checking with a compiler other than GCC.
10836 * varray.h: Delete all code to perform type checking with a
10837 compiler other than GCC. Make VARRAY_CHECK() always evaluate
10838 its arguments exactly once, using a statement expression.
10839 Adjust the VARRAY_<type> accessor macros to match.
10840 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
10841 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
10842 caller's location. Define fatal_insn and fatal_insn_not_found
10843 as macros that use _fatal_insn and _fatal_insn_not_found.
10844 (fancy_abort, trim_filename): Kill prototypes.
10846 * rtl.c (trim_filename): Move here from toplev.c.
10847 (fancy_abort): New function.
10848 (DIR_SEPARATOR): Provide default definition.
10849 * tree.c (tree_check_failed, tree_class_check_failed): Go
10850 through fancy_abort.
10851 (tree_check, tree_class_check, cst_or_constructor_check,
10852 expr_check): Delete.
10853 * varray.c (varray_check_failed): New function.
10854 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
10855 _fatal_insn and _fatal_insn_not_found. Go through
10857 (trim_filename, fancy_abort): Delete.
10859 * builtins.c (expand_builtin_args_info): Report ICE with abort.
10860 * except.c (start_catch_handler): Report ICE with error/abort
10862 * final.c (output_operand_lossage): Likewise.
10863 * flow.c (verify_flow_info): Likewise.
10865 * gcc.c: Prototype fatal.
10866 * gengenrtl.c: Undef abort after including rtl.h not system.h.
10867 * genattr.c, genattrtab.c, genemit.c, genextract.c,
10868 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
10869 Don't define fancy_abort.
10871 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
10873 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
10876 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
10878 * m88k.h (VERSION_INFO2): Kill.
10879 (VERSION_STRING): Kill.
10881 (VERSION_INFO1): Tidy.
10882 (TARGET_VERSION): Update.
10883 * m88k/dgux.h (VERSION_INFO2): Kill.
10884 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
10885 * m88k/luna.h (VERSION_INFO1): Tidy.
10886 * m88k/sysv4.h (VERSION_INFO1): Likewise.
10887 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
10888 (output_file_start): Adjust for death of VERSION_STRING.
10890 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
10892 * cpplib.c (detect_if_not_defined): New function.
10893 (do_if): Use it to detect potential once-only headers.
10895 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
10897 * c-common.c (combine_strings): Always set TREE_CONSTANT.
10899 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
10901 * combine.c (nonzero_bits) : Allow single-ly set registers to be
10902 anywere in the function only if they are pseudos and set before
10903 being used (not live at the start of the function).
10904 (num_sign_bit_copies) : Same.
10905 (get_last_value_validate) : Same.
10906 (get_last_value) : Same.
10908 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
10910 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
10911 where N and M are constant and N is an integer multiple of M.
10913 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
10915 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
10916 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
10917 sbitmap_union_of_preds): Add prototypes.
10918 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
10919 the intersection of successors with the new flow graph structures.
10920 (sbitmap_intersection_of_preds): New function to compute the
10921 intersection of predecessors with the new flow graph structures.
10922 (sbitmap_union_of_succs): New function to compute the union of
10923 successors with the new flow graph structures.
10924 (sbitmap_union_of_preds): New function to compute the union of
10925 predecessors with the new flow graph structures.
10926 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
10927 (expr_reaches_here_p): Use edge and basic_block structures instead
10928 of s_preds and s_succs.
10929 (compute_cprop_avinout): Use new sbitmap routines.
10930 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
10931 of s_preds and s_succs.
10932 * flow.c (compute_flow_dominators): Compute dominators using
10933 edges and basic blocks instead of s_preds and s_succs.
10935 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
10937 * lists.c (unused_insn_list, unused_expr_list): New file for
10938 maintaining various types of lists. New statics for maintaining a
10939 cache of available INSN_LIST and EXPR_LIST nodes.
10940 (free_list): Static function for freeing a list of INSN/EXPR nodes.
10941 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
10942 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
10943 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
10944 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
10945 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
10946 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
10947 (free_INSN_LIST_node): Free an individual INSN_LIST node.
10948 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
10949 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
10950 (remove_dependence, free_pending_lists): Use new global routines.
10951 (flush_pending_lists, sched_analyze_insn): Use new global routines.
10952 (sched_analyze, compute_block_backward_dependences): Use new routines.
10953 (sched_analyze_1, sched_analyze_2): Use new routines.
10954 (schedule_insns): Use new global routines.
10955 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
10957 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
10958 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
10960 * toplev.c (rest_of_compilation): Initialize node cache.
10961 * Makefile.in (OBJS): Add lists.o to list of object files.
10962 (lists.o): Add dependancies.
10964 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
10966 * config/v850/v850.md: Fix compile time warning messages.
10967 * config/v850/v850.c: Fix compile time warning messages.
10968 * config/v850/v850.h: Fix compile time warning messages.
10970 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10972 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
10973 Remove unused prototype for `init_lengths'.
10975 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10977 * calls.c (emit_call_1): Mark parameter `stack_size' with
10979 (expand_call): Initialize variable `insn'.
10980 (emit_library_call): Likewise for variable `high_to_save'.
10981 (emit_library_call_value): Likewise.
10982 (store_one_arg): Likewise for variables `lower_bound' and
10985 * combine.c (try_combine): Likewise for variables `i2_code_number'
10986 and `other_code_number'.
10987 (find_split_point): Likewise for variables `pos', `unsignedp' and
10989 (simplify_if_then_else): Likewise for variables `op' and `c1'.
10990 (simplify_and_const_int): Remove unused variable `width'.
10991 (merge_outer_ops): Likewise.
10993 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
10994 HOST_WIDE_INT' when comparing against one.
10995 (simplify_relational_operation): Likewise.
10996 (cse_insn): Initialize variables `src_eqv_volatile',
10997 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
10999 * final.c (init_final): Constify parameter `filename'.
11000 (final_start_function): Mark parameter `optimize' with
11002 (profile_function): Likewise for parameters `first' and `optimize'.
11003 (output_source_line): Likewise for parameter `file'.
11005 * integrate.c (subst_constants): Cast a value to `size_t' when
11006 comparing against one.
11007 (mark_stores): Initialize variable `mode'. Cast a value to
11008 `size_t' when comparing against one.
11010 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
11012 * loop.c (move_movables): Initialize variable `first'.
11013 (strength_reduce): Likewise for variable `increment'.
11014 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
11015 value to `size_t' when comparing against one.
11016 (load_mems): Initialize variable `end_label'.
11018 * output.h (init_final): Constify parameter.
11020 * reload.c (decompose): Initialize variable `base'.
11022 * reload1.c (reload): Likewise for variable `is_scalar'.
11023 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
11024 (choose_reload_regs): Initialize variable `mode'.
11025 (emit_reload_insns): Likewise for variable `store_insn'.
11026 (reload_cse_noop_set_p): Mark parameter `insn' with
11028 (reload_combine): Initialize variable `set'.
11030 * unroll.c (unroll_loop): Likewise for variable `local_label'.
11031 (copy_loop_body): Cast a value to `size_t' when comparing against
11034 * varasm.c (assemble_variable): Initialize variable `size_tree'.
11035 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
11036 (remove_from_pending_weak_list): Mark parameter `name' with
11039 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11041 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
11044 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
11046 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
11047 (ASM_DECLARE_FUNCTION_NAME): Define.
11048 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
11049 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
11050 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
11051 not already defined.
11053 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
11055 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
11056 of n_popped when call/call_value are not defined.
11058 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
11060 * tm.texi: GNU CC -> GCC conversion.
11061 (CC1_SPEC): Indicate it is used for all language front ends.
11063 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
11065 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
11066 NOTE_INSN_EH_REGION_END correctly.
11068 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
11069 Jeff Law <law@cygnus.com>
11071 * loop.c (strength_reduce): Automatically unroll loops if the
11072 unrolled loop size is smaller than the rolled loop size.
11074 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
11075 and delete comment that code should be rewritten.
11077 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
11079 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
11082 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
11084 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
11086 * fixinc/mkfixinc.sh: Don't fix uwin headers.
11087 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
11088 (LINK_SPEC): Add -u _main when building executables.
11089 (ASM_DECLARE_FUNCTION): Update from Cygwin.
11090 (ASM_FILE_END): Use the default for ix86-pe.
11091 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
11093 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
11095 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
11096 and ASM_CLOSE_PAREN are empty strings.
11098 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
11099 Geoffrey Keating <geoffk@cygnus.com>
11101 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
11102 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
11103 (unprotoize.o): Ditto.
11104 (test-protoize-simple): Don't define STD_PROTO_DIR.
11105 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
11106 changes to make 'test-protoize-simple' pass.
11107 (STD_PROTO_DIR): Remove define.
11108 (STANDARD_EXEC_PREFIX): Supply default define.
11109 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
11110 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
11111 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
11112 (GET_ENV_PATH_LIST): New macro.
11113 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
11114 (do_processing): Initialize default_syscalls_dir using new
11115 macros. Use it to initialize syscalls_absolute_filename.
11117 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
11119 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
11120 B into a register before emit_conditional_move.
11122 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
11124 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
11125 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
11126 multiplicand out of (+ (* a b) (* c d)).
11128 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
11129 Richard Henderson <rth@cygnus.com>
11131 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
11132 (new_insn_dead_notes): Likewise.
11133 (update_n_sets): Likewise.
11134 (update_flow_info): Move to flow.c, renamed to update_life_info;
11135 extend to handle multiple source insns.
11136 * flow.c: Include resource.h
11137 (unlink_insn_chain): New.
11138 (split_hard_reg_notes): New.
11139 (maybe_add_dead_note): New.
11140 (maybe_add_dead_note_use): New.
11141 (find_insn_with_note): New.
11142 (new_insn_dead_notes): New.
11143 (update_n_sets): New.
11144 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
11145 (maybe_remove_dead_notes): New.
11146 (update_life_info): New.
11147 (prepend_reg_notes): New.
11148 (replace_insns): New.
11149 * output.h (update_life_info): Declare.
11150 * recog.c (split_block_insns): Use update_life_info.
11151 * resource.c (find_free_register): Use reg_alloc_order, don't use
11152 fixed regs, make sure the mode is supported, don't use new regs.
11154 * rtl.h (replace_insns): Declare.
11156 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
11158 * expr.c (expand_expr): Cope with COND_EXPRs with one
11159 non-returning branch.
11161 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
11163 * expr.c (store_expr): Always pass down the target, even when not
11166 1999-08-24 Nick Clifton <nickc@cygnus.com>
11168 * configure.in: Define target_cpu_default for v850 targets.
11169 * configure: Regenerate
11171 * config/v850/v850.h (TARGET_CPU_generic): Define.
11172 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
11173 addresses are 4 byte aligned.
11175 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
11178 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11180 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
11181 (main): Add prototypes.
11183 * genattrtab.c (substitute_address, write_const_num_delay_slots,
11184 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
11185 (write_attr_get): Emit prototypes along with function definition.
11186 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
11187 (write_complex_function): Emit static prototype along with
11188 function definition.
11190 * genemit.c (gen_split): Emit prototypes along with function
11193 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
11194 Likewise for predicates and `insn_operand_predicate'.
11195 (process_template): Emit static prototype along with function
11198 * genrecog.c (make_insn_sequence): Constify a char*. Add
11199 prototypes for get_split_*().
11200 (write_subroutine): Emit prototypes along with function
11203 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11205 * gcse.c (find_avail_set): Follow chains of register-register copies.
11206 Use oprs_not_set_p to guarantee that the returned value can be
11208 (cprop_insn): Don't verify the return value of find_avail_set with
11211 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
11212 (cprop_cc0_jump): New function.
11213 (cprop_insn): Break out new function cprop_jump and use it.
11214 Also use cprop_cc0_jump for machines with CC0.
11215 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
11217 * tree.h (current_function_calls_setjmp,
11218 current_function_calls_longjmp): Delete declarations.
11219 * dsp16xx.c: Include "function.h".
11220 * elxsi.c: Likewise.
11221 * gmicro.c: Likewise.
11222 * h8300.c: Likewise.
11223 * i370.c: Likewise.
11224 * m32r.c: Likewise.
11225 * mn10200.c: Likewise.
11226 * mn10300.c: Likewise.
11227 * ns32k.c: Likewise.
11228 * spur.c: Likewise.
11229 * v850.c: Likewise.
11231 * rtl.h (rtx_equal_function_value_matters): Declare.
11232 * toplev.c (rtx_equal_function_value_matters): Don't declare.
11234 * function.c: Likewise.
11235 * emit-rtl.c: Likewise.
11237 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
11239 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
11242 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11244 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
11247 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
11249 * cpp.texi: Add a node documenting macro varargs (copied
11252 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
11254 * cppspec.c: Put a null pointer at the end of the new argv.
11256 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
11258 * configure.in: Remove code to select/de-select the haifa
11259 scheduler. Every scheduled port gets haifa now.
11260 * configure: Rebuilt.
11261 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
11263 * Makefile.in: Corresponding changes.
11265 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11267 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
11268 All callers changed.
11269 (prepare_float_lib_cmp): Likewise.
11270 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
11271 * expr.h (emit_float_lib_cmp): Delete declaration.
11272 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
11273 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
11274 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
11276 (cmptf): Now conditional on TARGET_HARD_QUAD.
11278 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
11280 * resource.c (mark_target_live_regs): Use
11281 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
11283 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11285 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
11287 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
11289 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
11291 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11293 * rtl.h (rtx_format): Constify a char*.
11295 * rtl.c (rtx_format): Likewise.
11296 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
11297 (init_rtl): Use accessor macro, not `rtx_format'.
11299 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
11302 * caller-save.c (mark_referenced_regs): Likewise.
11304 * combine.c (subst, make_compound_operation, known_cond,
11305 gen_rtx_combine, update_table_tick, get_last_value_validate,
11306 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
11308 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
11309 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
11310 count_reg_usage): Likewise.
11312 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
11315 * final.c (leaf_renumber_regs_insn): Likewise.
11317 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
11318 dump_edge_info, count_reg_references): Likewise.
11320 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
11321 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
11324 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
11325 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
11326 add_label_notes): Likewise.
11328 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
11329 clear_struct_flag, count_sub_rtxs, count_alternatives,
11330 compares_alternatives_p, contained_in_p, walk_attr_value,
11331 write_expr_attr_cache): Likewise.
11333 * genconfig.c (walk_insn_part): Likewise.
11335 * genemit.c (max_operand_1, gen_exp): Likewise.
11337 * genextract.c (walk_rtx): Likewise.
11339 * genflags.c (num_operands): Likewise.
11341 * genoutput.c (scan_operands): Likewise.
11343 * genpeep.c (match_rtx): Likewise.
11345 * genrecog.c (add_to_sequence): Likewise.
11347 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
11350 * integrate.c (save_constants, copy_for_inline,
11351 copy_rtx_and_substitute, subst_constants, restore_constants):
11354 * jump.c (mark_jump_label, invert_exp, redirect_exp,
11355 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
11357 * local-alloc.c (contains_replace_regs, memref_referenced_p):
11360 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
11361 add_label_notes, replace_call_address, count_nonfixed_reads,
11362 invariant_p, find_single_use_in_loop, find_mem_givs,
11363 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
11366 * print-rtl.c (reg_names, print_rtx): Likewise.
11368 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
11370 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
11371 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
11372 print_blocks): Likewise.
11374 * regclass.c (fix_register, record_address_regs,
11375 reg_scan_mark_refs): Likewise.
11377 * regmove.c (stable_but_for_p): Likewise.
11379 * reload.c (loc_mentioned_in_p, operands_match_p,
11380 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
11381 copy_replacements, refers_to_regno_for_reload_p,
11382 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
11383 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
11386 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
11387 delete_address_reloads_1, count_occurrences,
11388 reload_cse_mem_conflict_p, reload_combine_note_use,
11389 add_auto_inc_notes): Likewise.
11391 * resource.c (mark_referenced_resources, mark_set_resources):
11394 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
11395 reg_mentioned_p, regs_set_between_p, modified_between_p,
11396 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
11397 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
11398 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
11399 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
11401 * sched.c (sched_analyze_2, attach_deaths): Likewise.
11403 * stupid.c (stupid_mark_refs): Likewise.
11405 * unroll.c (remap_split_bivs): Likewise.
11407 * varasm.c (mark_constants): Likewise.
11409 * a29k/a29k.c (uses_local_reg_p): Likewise.
11411 * alpha/alpha.c (summarize_insn): Likewise.
11413 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
11414 eliminate_lr2ip): Likewise.
11416 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
11418 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
11419 reg_mentioned_in_mem): Likewise.
11421 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
11422 symbolic_reference_mentioned_p): Likewise.
11424 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
11426 * sh/sh.c (regs_used, mark_use): Likewise.
11428 * vax/vax.c (vax_rtx_cost): Likewise.
11430 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11432 * machmode.h (mode_name): Constify a char*.
11434 * rtl.c (mode_name): Likewise.
11436 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
11438 * optabs.c (init_libfuncs): Constify a char*.
11440 * print-tree.c (mode_name): Remove redundant declaration.
11441 (print_node): Use accessor macro, not `mode_name'.
11443 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
11445 (new_spill_reg): Constify a char*.
11447 * tree.c (mode_name): Remove redundant declaration.
11449 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11451 * rtl.c (rtx_name): Constify a char*.
11453 * rtl.h (rtx_name, fix_sched_param): Likewise.
11455 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
11456 (mypr): Use accessor macro, not `rtx_name'.
11458 * genemit.c (print_code): Constify a char*.
11460 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
11462 * genpeep.c (print_code): Constify a char*.
11464 * genrecog.c (print_code): Likewise.
11466 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
11467 end_bb): Add static prototype.
11468 (draw_edge): Constify a char*.
11469 (end_bb): Remove unused parameter.
11471 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
11472 print_block_visualization): Constify a char*.
11474 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
11476 * c-common.c (c_get_alias_set): Update comment.
11478 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
11480 * linux.h (LIB_SPEC): Added.
11482 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11484 * config/c4x/c4x.h (STARTFILE_SPEC): Don't define.
11486 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
11488 * tree.c (expr_check): Fix typo in last change.
11490 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
11492 * rtl.def (NOTE): Change format to "iuu0n".
11493 (ADDR_DIFF_VEC): Change format to "eEee0".
11494 (ADDRESSOF): Change format to "eit".
11496 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
11497 (RTVEC_ELT): Change to match.
11498 (XVECEXP): Use XVEC and RTVEC_ELT.
11499 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
11500 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
11501 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
11502 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
11503 TRAP_CONDITION, TRAP_CODE): Use XEXP.
11504 (INTVAL): Use XWINT.
11505 (ADDRESSOF_DECL): Use XTREE.
11506 (SET_ADDRESSOF_DECL): Delete.
11507 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
11508 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
11509 ifdefed out since 2.6 at least.
11510 (gen_rtvec_vv): Delete prototype.
11512 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
11514 (copy_most_rtx): Handle 't' format letter.
11515 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
11516 (gen_rtvec_vv): Delete function. All callers changed to use
11517 gen_rtvec_v instead.
11518 * print-rtl.c (print_rtx): Move special casing of NOTEs to
11519 the '0' format letter.
11521 * function.c (gen_mem_addressof): Don't use
11522 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
11524 * integrate.c (copy_rtx_and_substitute): Likewise.
11525 Copy 't' slots with XTREE.
11526 (subst_constants): Treat 't' slots like '[swi]' slots.
11527 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
11528 * jump.c (rtx_equal_for_thread_p): Likewise.
11529 * rtlanal.c (rtx_equal_p): Likewise.
11530 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
11531 only four arguments.
11532 * gengenrtl.c (type_from_format): Provide correct types for
11536 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
11537 If a recent gcc is in use (always in stage2 and beyond), use
11538 statement expressions, so we don't make a function call unless
11539 the check fails. Evaluate arguments exactly once.
11540 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
11541 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
11543 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
11544 they evaluate their arguments exactly once, irrespective of
11545 the compiler in use.
11547 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
11548 is used by the currently-enabled check macros. This is:
11549 (tree_check_failed, tree_class_check_failed): For gcc.
11550 (tree_check, tree_class_check, cst_or_constructor_check,
11551 expr_check): For other compilers.
11553 * gencheck.c: Do not define any *_CHECK1 macros.
11555 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
11556 Mark Mitchell <mark@codesourcery.com>
11558 * c-common.c (c_get_alias_set): Fix support for poitners and
11561 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
11563 * alias.c: Include tree.h.
11564 (nonlocal_reference_p, mark_constant_function): New functions.
11565 * flow.c (life_analysis): Call mark_constant_function.
11566 * rtl.h (mark_constant_function): Declare it.
11568 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
11570 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
11571 unrecognisable switches.
11573 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11575 * loop.c (recombine_givs): Set ix field after sorting.
11576 (recombine_givs): Remove bogus index / giv lockstep looping.
11578 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11580 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
11582 (emit_store_flag_force): Use do_compare_rtx_and_jump.
11583 (do_cmp_and_jump): Formatting fixes.
11584 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
11585 do_compare_rtx_and_jump instead of compare_from_rtx.
11586 (do_compare_rtx_and_jump): New function; mostly copied from
11588 (do_jump_for_compare): Delete.
11589 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
11591 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
11592 of compare/do_jump_for_compare pairs.
11593 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
11594 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
11595 compare_from_rtx/do_jump_for_compare pairs.
11596 (do_jump_by_parts_equality): Likewise.
11597 (do_jump_by_parts_equality_rtx): Likewise.
11598 * expr.h (do_compare_rtx_and_jump): Declare.
11599 * optabs.c (prepare_cmp_insn): New function, contains most of the code
11600 that used to be in emit_cmp_insn.
11601 (cmp_available_p): New function.
11602 (prepare_operand): New function.
11603 (emit_cmp_and_jump_insn_1): New function, contains some code that used
11604 to be in emit_cmp_insn.
11605 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
11606 parameters to be pointers; don't emit final compare but modify some of
11607 the values pointed to by the args so the caller can perform the
11608 correct comparison.
11609 (expand_binop): Call emit_store_flag_force with signed forms of
11611 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
11612 emit_jump_insn pair.
11613 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
11614 emit_cmp_and_jump_insn_1. Call emit_queue.
11615 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
11617 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
11618 jump sets cc0 before deleting it.
11619 * integrate.c (expand_inline_function): Likewise.
11620 * unroll.c (unroll_loop): Similar changes in several places.
11621 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
11622 before deleting it.
11624 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11626 * Makefile.in (insn-recog.o): Update dependencies.
11627 * genrecog.c (main): Make generated file include "function.h".
11629 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
11631 * cse.c (cse_insn): Call never_reached_warning when a jump is
11632 changed to be unconditional.
11633 * flags.h: Declare warn_notreached.
11634 * flow.c (delete_block): Call never_reached_warning when
11635 a block is deleted.
11636 * jump.c (delete_barrier_successors): Call never_reached_warning
11637 when we delete everything after a BARRIER.
11638 (never_reached_warning): New function.
11639 * rtl.h: Declare never_reached_warning.
11640 * toplev.c (warn_notreached): New variable.
11641 (lang_independent_options): Set warn_notreached
11642 when -Wunreachable-code.
11643 (compile_file): We need line numbers for -Wunreachable-code.
11645 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
11647 * haifa-sched.c (insn_unit): Fix typo on out of range test.
11648 * sched.c (insn_unit): Likewise.
11650 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
11652 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
11654 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
11656 * flow.c (create_edge_list): Use xmalloc, not malloc.
11658 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
11660 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
11661 C-style comments. Do not lose the character before double slash.
11663 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
11665 * basic-block.h (struct edge_list): Stucture to maintain a vector
11667 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
11668 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
11669 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
11670 New function prototypes.
11671 * flow.c (create_edge_list): Function to create an edge list.
11672 (free_edge_list): Discards memory used by an edge list.
11673 (print_edge_list): Debug output showing an edge list.
11674 (verify_edge_list): Internal consistency check for an edge list.
11675 (find_edge_index): Function to find an edge index for a pred and succ.
11677 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
11679 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
11682 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
11684 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
11686 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
11688 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
11690 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
11692 * toplev.c (rest_of_compilation): Allow machine dependent
11693 reorganisation pass to place information into the RTL dump
11694 file if it so wishes.
11696 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
11698 * explow.c (hard_function_value): Use VOIDmode instead of
11700 * stmt.c (expand_return): Likewise.
11701 * stor-layout.c (get_best_mode): Likewise.
11703 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
11704 emit call instead of emit_insn call.
11706 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
11708 * configure.in: Handle --disable/enable-win32-registry.
11709 * install.texi: Document --disable/enable-win32-registry.
11710 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
11711 (WIN32_REGISTRY_KEY): New macro.
11712 * prefix.c: Use to enable/disable win32-specific code.
11713 (lookup_key): Use versioned key.
11714 * configure: Regenerate.
11715 * config.in: Likewise.
11717 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
11719 * cpplib.c (read_line_number): New fn, split out of...
11722 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
11724 tree.c (lang_unsave_expr_now) : New.
11725 (unsave_expr_now): Call lang_unsave_expr_now.
11726 tree.h (lang_unsave_expr_now) : New.
11728 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
11730 * toplev.c (flag_new_exceptions): On by default.
11732 1999-08-13 Michael Meissner <meissner@cygnus.com>
11734 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
11736 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
11738 * dwarfout.c (fundamental_type_code): Return FT_boolean for
11739 INTEGER_TYPE with precision==1, it's __java_boolean.
11741 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11743 * global.c (prune_preferences): Move some invariants out of the
11746 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
11748 * configure.in (alpha*-dec-osf*): Add osf5.
11750 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
11752 * configure.in: Rework handling of ARM GNU/Linux slightly.
11753 (arm*-*-linux-gnuoldld): New target.
11754 * configure: Regenerate.
11755 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
11756 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
11757 * config/arm/linux-oldld.h: New file.
11758 * config/arm/linux-elf26.h: Don't include linux-elf.h.
11759 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
11761 * config/arm/linux-elf.h (ASM_SPEC): Define.
11762 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
11763 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
11764 for 26-bit APCS and old linker.
11765 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
11767 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
11768 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
11769 don't define `arm' or `arm_elf'.
11770 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
11771 MULTILIB_DIRNAMES): Define. Fix typo in comment.
11773 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
11775 * rtl.texi: Fix typo.
11777 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
11779 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
11781 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
11783 * extend.texi (C++ Signatures): Remove node.
11784 * invoke.texi: Remove discussion of -fhandle-signatures,
11785 signature, sigof, __signature__, and __sigof__.
11787 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
11789 * Makefile.in (JAVAGC): Removed.
11791 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
11793 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
11795 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
11797 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
11799 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
11801 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
11802 a register that is already known to be a pointer.
11804 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
11806 * fixinc/inclhack.tpl: Only install assert.h conditionally.
11807 * fixinc/inclhack.sh: Regenerated.
11808 * fixinc/fixincl.sh: Regenerated.
11810 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
11812 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
11813 Fix documentation of -ansi flag to describe its C++ behavior.
11814 Remove bogus reference to GCC 2.9.
11816 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
11818 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
11819 note if it is non-NULL.
11821 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
11823 * except.h (eh_nesting_info): Add new structure defintion.
11824 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
11825 (reachable_handlers, update_rethrow_references): Add function
11827 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
11828 a rethrow symbol instead of an integer exception region number.
11829 * flow.c (Make_edges): Use new exception nesting routines to determine
11830 which handlers are reachable from a CALL or asynchronous insn.
11831 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
11833 (delete_eh_regions): Update rethrow labels, and don't delete
11834 regions which are the target of a rethrow.
11835 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
11836 avoid overloading the SYMBOL_REF_USED flag.
11837 (rethrow_symbol_map): Use new rethrow_ref field.
11838 (rethrow_used): Use new rethrow_ref field.
11839 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
11840 of an integer. Fix formatting.
11841 (output_exception_table_entry): Use new rethrow_ref field.
11842 (can_throw): Check for EH_REGION_NOTE before deciding
11843 whether a CALL can throw or not.
11844 (scan_region): Call rethrow_used() instead of accessing data structure.
11845 (update_rethrow_references): New function to make sure only regions
11846 which are still targets of a rethrow are flagged as such.
11847 (process_nestinfo): New static function to initialize a handler
11848 list for a specific region.
11849 (init_eh_nesting_info): New function to allocate and initialize
11850 the list of all EH handlers reachable from all regions.
11851 (reachable_handlers): New function to retrieve the list of handlers
11852 reachable from a specific region and insn.
11853 (free_eh_nesting_info): New function to dispose of a list of
11854 reachable handlers.
11856 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
11858 * flow.c (split_edge): Set JUMP_LABEL field.
11859 (commit_one_edge_insertion): Set head correctly for insert_before.
11860 When inserting insns, update insn block numbers if allocated.
11862 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11864 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
11865 retry_incomplete_types): Add static prototype.
11866 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
11867 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
11868 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
11869 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
11870 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
11873 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
11874 dwarf2out_start_source_file, dwarf2out_line): Likewise.
11876 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11878 * output.h (assemble_name): Constify a char*.
11880 * varasm.c (UNIQUE_SECTION, assemble_start_function,
11881 assemble_variable, assemble_name): Likewise.
11883 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
11885 * arm/pe.c (arm_pe_unique_section): Likewise.
11887 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
11889 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
11891 * i386/interix.c (i386_pe_unique_section): Likewise.
11893 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
11895 * i386/winnt.c (i386_pe_unique_section): Likewise.
11897 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
11899 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
11901 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
11903 * pa/pa.c (output_call): Likewise.
11905 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
11907 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
11909 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
11912 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
11915 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
11917 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
11918 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
11920 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
11922 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11924 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
11926 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11928 * tree.h (lang_identify): Constify a char*.
11929 (print_error_function): Add extern prototype. Constify a char*.
11931 * c-lang.c (lang_identify): Constify a char*.
11933 * objc/objc-act.c (lang_identify): Constify a char*.
11935 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11937 * genpeep.c (main): Make generated file include "function.h".
11938 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
11940 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11942 * Makefile.in: Update dependencies.
11943 * alias.c: Include "function.h"
11944 * c-decl.c: Likewise.
11945 * caller-save.c: Likewise.
11946 * calls.c: Likewise.
11947 * combine.c: Likewise.
11949 * explow.c: Likewise.
11950 * final.c: Likewise.
11951 * global.c: Likewise.
11952 * graph.c: Likewise.
11953 * local-alloc.c: Likewise.
11954 * loop.c: Likewise.
11955 * optabs.c: Likewise.
11956 * profile.c: Likewise.
11957 * recog.c: Likewise.
11958 * regclass.c: Likewise.
11959 * regmove.c: Likewise.
11960 * reload.c: Likewise.
11961 * reorg.c: Likewise.
11962 * resource.c: Likewise.
11963 * sched.c: Likewise.
11964 * stupid.c: Likewise.
11965 * config/1750a/1750a.c: Likewise.
11966 * config/a29k/a29k.c: Likewise.
11967 * config/arc/arc.c: Likewise.
11968 * config/arm/arm.c: Likewise.
11969 * config/arm/thumb.c: Likewise.
11970 * config/c4x/c4x.c: Likewise.
11971 * config/clipper/clipper.c: Likewise.
11972 * config/convex/convex.c: Likewise.
11973 * config/fx80/fx80.c: Likewise.
11974 * config/i860/i860.c: Likewise.
11975 * config/m68k/m68k.c: Likewise.
11976 * config/m88k/m88k.c: Likewise.
11977 * config/mips/mips.c: Likewise.
11978 * config/pdp11/pdp11.c: Likewise.
11979 * config/pyr/pyr.c: Likewise.
11980 * config/romp/romp.c: Likewise.
11981 * config/sh/sh.c: Likewise.
11982 * config/tahoe/tahoe.c: Likewise.
11983 * config/vax/vax.c: Likewise.
11984 * config/we32k/we32k.c: Likewise.
11985 * config/sparc/sparc.c: Include "function.h".
11986 (mem_min_alignment): Test current_function rather than
11987 regno_pointer_align.
11988 * config/pa/pa.c: Likewise.
11989 (compute_frame_size): Delete declaration of
11990 current_function_outgoing_args_size.
11991 * config/arc/arc.h (current_function_varargs): Delete declaration.
11992 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
11994 * config/i370/i370.h (current_function_outgoing_args_size): Delete
11996 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
11997 current_function_uses_pic_offset_table.
11998 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
11999 of current_function_returns_pointer.
12000 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
12001 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
12002 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
12003 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
12004 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
12005 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
12006 * config/m88k/m88k.c: Include "function.h"
12007 (call_used_regs, current_function_pretend_args_size,
12008 current_function_outgoing_args_size, frame_pointer_needed): Delete
12010 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
12012 * config/mips/mips.h (current_function_calls_alloca): Delete
12014 * config/mn10200/mn10200.h (current_function_needs_context,
12015 rtx_equal_function_value_matters): Delete declarations.
12016 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
12017 flag_pic): Delete declarations.
12018 * config/pa/pa.h (current_function_pretend_args_size,
12019 current_function_decl): Delete declarations.
12020 * config/pa/som.h (current_function_varargs): Delete declaration.
12021 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
12023 * config/pyr/pyr.h (current_function_pretend_args_size,
12024 current_function_args_size, current_function_calls_alloca): Delete
12026 * config/sh/sh.h (current_function_varargs): Delete declaration.
12027 * config/sparc/sparc.h (current_function_outgoing_args_size,
12028 current_function_calls_alloca, current_function_decl): Delete
12030 * config/spur/spur.h (current_function_pretend_args_size,
12031 current_function_calls_alloca): Delete declarations.
12032 * config/v850/v850.c (current_function_outgoing_args_size): Delete
12034 * config/vax/vms.h (current_function_name): Delete declaration.
12035 * gcse.c: Include "function.h".
12036 (current_function_name, current_function_calls_setjmp): Delete
12038 * haifa-sched.c: Include "function.h".
12039 (forced_labels): Delete declaration.
12040 * jump.c: Likewise.
12041 * reg-stack.c: Likewise.
12042 * reload1.c: Likewise.
12043 * genemit.c (main): Make generated file include function.h.
12044 * genoutput.c (output_prologue): Likewise.
12046 * builtins.c (saveregs_value, apply_args_value): Delete variables.
12047 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
12048 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
12049 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
12050 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
12051 macros for some of them.
12052 (emit_filename, emit_lineno): Delete declarations.
12053 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
12054 regno_pointer_* variables through current_function.
12055 (gen_inline_header_rtx): Delete function.
12056 (save_emit_status): Delete function.
12057 (set_new_last_label_num): New function.
12058 (clear_emit_caches): New function.
12059 (restore_emit_status): Just clear last_labelnum and call
12061 (get_last_insn_anywhere): Variable sequence_stack is now accessed
12062 through macro seq_stack.
12063 (add_insn_after): Likewise.
12064 (add_insn_before): Likewise.
12065 (remove_insn): Likewise.
12066 (pop_topmost_sequence): Likewise.
12067 (in_sequence_p): Likewise.
12068 (start_sequence_for_rtl_expr): Likewise.
12069 (start_sequence): Likewise, and likewise for
12070 sequence_rtl_expr/seq_rtl_expr.
12071 (push_topmost_sequence): Likewise.
12072 (end_sequence): Likewise.
12073 (init_virtual_regs): Now takes a "struct emit_status *" argument.
12074 All callers changed. Store into that pointer instead of globals.
12075 (init_emit): Allocate emit elt of current_function.
12076 Changes for sequence_rtl_expr/sequence_stack renaming.
12077 Call clear_emit_caches instead of doing it in-line.
12078 Access regno_pointer_* variables through current_function.
12079 (init_emit_once) Don't clear sequence_stack.
12081 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
12083 (arg_pointer_save_area): Delete declaration.
12084 (finish_expr_for_function): Renamed from init_queue; no longer static.
12085 (init_expr): Don't call init_queue.
12086 (save_expr_status, restore_expr_status): Delete functions.
12087 (expand_expr): Changes to reflect new layout of struct function.
12088 Don't access current_function_check_memory_usage when current_function
12090 * expr.h (forced_labels, save_expr_regs, saveregs_value,
12091 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
12092 current_function_outgoing_args_size, current_function_arg_offset_rtx,
12093 current_function_uses_const_pool, function_call_count,
12094 current_function_uses_pic_offset_table, nonlocal_labels,
12095 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
12096 current_function_check_memory_usage, nonlocal_goto_handler_slots,
12097 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
12099 (finish_expr_for_function): Declare.
12100 * flags.h (current_function_has_nonlocal_label,
12101 current_function_has_nonlocal_goto, current_function_is_thunk,
12102 current_function_has_computed_jump): Delete declarations.
12103 * flow.c (forced_labels): Delete declaration.
12104 * function.c (current_function_pops_args,
12105 current_function_returns_struct, current_function_returns_pcc_struct,
12106 current_function_needs_context, current_function_calls_setjmp,
12107 current_function_calls_longjmp, current_function_has_nonlocal_label,
12108 current_function_has_nonlocal_goto, current_function_is_thunk,
12109 current_function_has_computed_jump, current_function_calls_alloca,
12110 current_function_contains_functions, current_function_returns_pointer,
12111 current_function_epilogue_delay_list, current_function_args_size,
12112 current_function_pretend_args_size, current_function_arg_offset_rtx,
12113 current_function_outgoing_args_size, current_function_varargs,
12114 current_function_stdarg, current_function_args_info, cleanup_label,
12115 current_function_name, current_function_uses_const_pool,
12116 current_function_instrument_entry_exit, current_function_return_rtx,
12117 current_function_uses_pic_offset_table, nonlocal_labels,
12118 current_function_internal_arg_pointer, current_function_cannot_inline,
12119 current_function_check_memory_usage, function_call_count,
12120 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
12121 nonlocal_goto_stack_level, return_label, save_expr_regs,
12122 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
12123 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
12124 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
12125 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
12126 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
12128 (push_function_context_to): Don't save them. Don't call
12129 save_storage_status, save_emit_status or save_expr_status.
12130 (pop_function_context_from): Don't restore them. Don't call
12131 restore_storage_status or restore_expr_status.
12132 (get_func_frame_size): New function.
12133 (get_frame_size): Use it.
12134 (assign_outer_stack_local): Reflect some member name changes in struct
12136 (put_reg_into_stack): Likewise.
12137 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
12139 (fixup_var_refs): Likewise.
12140 (fix_lexical_addr): Likewise.
12141 (trampoline_address): Likewise.
12142 (prepare_function_start): Clear field inlinable of current_function.
12143 (init_function_for_compilation): New function.
12144 (expand_dummy_function_end): New function.
12145 (expand_function_end): Call finish_expr_for_function.
12146 * function.h (struct emit_status): New; fields moved here from struct
12147 function and from global variables. Add accessor macros for some of
12149 (struct expr_status): Likewise.
12150 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
12151 (struct function): Add fields expr and emit, inlinable, inl_emit,
12152 original_arg_vector, original_decl_initial, inl_last_parm_insn,
12153 inl_max_label_num. Add many comments.
12154 Add accessor macros for all elts of struct function that no longer
12155 have a global variable.
12156 (cleanup_label, return_label, frame_offset, tail_recursion_label,
12157 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
12158 stack_slot_list): Delete declarations.
12159 (get_func_frame_size): Declare.
12160 (save_expr_status, restore_expr_status, save_emit_status,
12161 save_storage_status, restore_storage_status): Delete declarations.
12162 (init_virtual_regs): Declare.
12163 * output.h (current_function_pops_args,
12164 current_function_returns_struct, current_function_returns_pcc_struct,
12165 current_function_needs_context, current_function_calls_setjmp,
12166 current_function_calls_longjmp, current_function_calls_alloca,
12167 current_function_has_nonlocal_label, current_function_varargs,
12168 current_function_has_computed_jump, current_function_returns_pointer,
12169 current_function_contains_functions, current_function_args_size,
12170 current_function_pretend_args_size, current_function_stdarg,
12171 current_function_outgoing_args_size, current_function_args_info,
12172 current_function_name, current_function_return_rtx,
12173 current_function_epilogue_delay_list,
12174 current_function_uses_const_pool, current_function_cannot_inline):
12175 Delete declarations.
12176 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
12177 regno_reg_rtx): Delete declaration.
12178 (REGNO_POINTER_FLAG): Delete macro.
12179 * stmt.c (expand_goto): Changes to reflect that some fields in struct
12180 function were renamed.
12181 * stor-layout.c (save_storage_status, restore_storage_status): Delete
12183 * toplev.c: Include "function.h".
12184 (current_function_decl): Delete declaration.
12185 (compile_file): Call init_dummy_function_start and
12186 expand_dummy_function_end around some initializations that need to
12188 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
12189 Call init_function_for_compilation.
12190 * unroll.c: Include "function.h"
12191 (unroll_loop): Access regno_pointer_* variables through
12194 * tree.h (struct tree_decl): Add elt f to saved_insns member.
12195 (DECL_SAVED_INSNS): use it.
12196 (expand_dummy_function_end): Declare.
12197 (init_function_for_compilation): Declare.
12198 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
12199 that it's no longer an INLINE_HEADER.
12200 (expand_call): Likewise.
12201 * integrate.c (finish_inline): Delete function.
12202 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
12203 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
12204 args. Don't generate an INLINE_HEADER rtx, just return the arg
12205 vector. All callers changed.
12206 (save_for_inline_copying): Create a duplicate struct emit_status to
12207 hold the emit state for compiling the current function. Use this and
12208 the other new fields in struct function that are for integration
12209 instead of an INLINE_HEADER.
12210 Use memcpy instead of bcopy.
12211 Store the current struct function in DECL_SAVED_INSNS of fndecl.
12212 (save_for_inline_nocopy): Similar changes, except no new emit_status
12214 (expand_inline_function): Get information from function structure,
12215 not from an inline header rtx.
12216 (output_inline_function): Lose code to extract the necessary
12217 information from an inline header; simply put back the function
12218 structure into current_function. Clear its inlinable elt.
12219 * rtl.def (INLINE_HEADER): Delete.
12220 * rtl.h: Delete all accessors for an INLINE_HEADER.
12221 (gen_inline_header_rtx): Delete declaration.
12222 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
12223 Delete declarations.
12224 (REGNO_POINTER_ALIGN): Delete.
12225 (clear_emit_caches): Declare.
12226 (set_new_last_label_num): Declare.
12228 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
12230 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
12232 * except.c (expand_eh_region_start_for_decl): Always start a new block.
12233 * stmt.c (is_eh_region): Make sure current_function is present, too.
12235 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
12237 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
12238 for 64bit PA targets.
12240 * pa.h (SELECT_SECTION): Define.
12241 * som.h (SELECT_SECTION): Delete.
12243 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12245 * alias.c (init_alias_analysis): Wrap call to
12246 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
12248 1999-08-07 Bruce Korb <autogen@linuxbox.com>
12250 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
12251 <sys/asm.h> contains an asm comment with an apostrophe
12252 * fixinc/inclhack.sh: regen
12253 * fixinc/fixincl.x: regen
12255 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
12257 * function.c (init_function_start): Clear prologue & epilogue.
12258 (prologue_epilogue_contains): New function.
12259 * alias.c (init_alias_analysis): Use it.
12260 * rtl.h (prologue_epilogue_contains): Declare it.
12262 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
12264 * jump.c (onlyjump_p): New function.
12265 * rtl.h: Declare it.
12266 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
12267 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
12269 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
12271 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
12272 to invert loops. Simplify block scanning.
12274 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12276 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
12277 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
12279 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
12281 * config/sparc/liteelf.h: New file to support sparclite-elf target
12282 * config/sparc/t-sp86x: New file to support sparc86x targets
12283 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
12284 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
12285 * configure.in: Support above target triplets
12286 * configure: Regenerated
12288 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
12290 * fixinc/server.c (server_setup): Do not prefix function used as
12291 parameter with `&'.
12293 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
12295 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
12296 Remove fp reg alternatives.
12298 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
12300 * Makefile.in (TAROUTOPTS): Kill.
12301 (install-headers-tar): Use "xpf" for tar headerfile extraction
12302 * i370/x-oe (TAROUTOPTS): Delete.
12303 * m68k/x-apollo68 (TAROUTOPTS): Delete.
12304 * m68k/x-hp320 (TAROUTOPTS): Delete.
12305 * m68k/x-hp320g (TAROUTOPTS): Delete.
12306 * gcc.texi: Update bug reporting text.
12308 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12310 * reg-stack.c (change_stack) Fixed problem with negative array index.
12312 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
12314 * extend.texi, install.texi: Fix spelling mistakes.
12316 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
12317 (s-attrtab); No longer try to use pre-made insn-attrtab file.
12318 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
12319 PREMADE_ATTRTAB_MD.
12320 * mips/t-ecoff: Likewise.
12321 * mips/t-elf: Likewise.
12322 * mips/t-mips: Likewise.
12323 * mips/t-osfrose: Likewise.
12324 * mips/t-r3900: Likewise.
12325 * mips/t-svr3: Likewise.
12326 * mips/t-svr4: Likewise.
12327 * mips/t-ultrix: Likewise.
12329 * gcc.texi: Document recommend means to provide software floating
12330 point libraries in libgcc.a
12332 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
12334 * c-lex.c (yylex): We can have a number with no digits.
12336 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
12338 * jump.c (delete_prior_computation): New function, broken
12339 out of delete_computation. Check for side effects with
12340 side_effects_p instead of FIND_REG_INC_NOTE. Handle
12341 multi-word hard registers.
12342 (delete_computation): Use it. Check for side effects with
12343 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
12344 missing REG_DEAD note for a register which is both set and
12347 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
12349 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
12350 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
12351 (ASM_FILE_START): Import _mcount with the right type.
12352 (ASM_DECLARE_FUNCTION_NAME): Define.
12353 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
12354 * pa.c (output_function_prologue): Always emit the function's label
12356 * pa.h (TEXT_SPACE_P): Define.
12357 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
12358 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
12359 * som.h (TEXT_SPACE_P): Delete.
12360 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
12361 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
12363 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
12365 * expr.c (emit_group_load): Allow src to be a CONCAT.
12367 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12369 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
12370 (___mulsi3): Use '!' comment character.
12372 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12374 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
12376 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
12378 * gcc.c: Update URLs and mail addresses.
12379 * gcc.texi: Likewise.
12381 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
12383 * rs6000.c (current_file_function_operand): Return zero for
12385 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
12387 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
12390 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
12392 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
12393 allocate space in the stack frame for the PIC register.
12395 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
12397 * m68k.md (xordi3, anddi3): These patterns are not available on
12400 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
12402 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
12403 (PUT_REAL): Likewise.
12405 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12407 * final.c (shorten_branches): Don't add an alignment for loops
12408 that have no label inside.
12410 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12412 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
12413 prototypes in macro HAVE_cmpstrsi.
12415 * cpplib.c (cpp_get_token): Remove unused label `op3'.
12417 * emit-rtl.c (operand_subword): Remove unused variable
12420 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
12422 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
12424 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
12426 * cpphash.c (macroexpand): Delete leading whitespace when arg
12427 is concatenated before.
12428 (unsafe_chars): Correct test for whether + and - can extend a
12431 * cppinit.c (cpp_start_read): Do dependencies for
12432 -include/-imacros files also.
12434 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
12435 tokenizing non-directive lines.
12436 (cpp_expand_to_buffer): Temporarily disable no-output mode.
12437 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
12440 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
12442 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
12444 * c-lex.c: Sync with C++ frontend.
12445 (linemode): New variable.
12446 (parse_float): imag, conversion_errno, and type are output only.
12447 (yylex): Adjust. Move initial '.' case into main switch.
12449 (handle_generic_pragma): Just deal with tokens.
12450 (readescape): Use ISXDIGIT and ISGRAPH.
12451 * c-parse.in: Add END_OF_LINE token.
12453 * c-lex.c (lang_init): Generalize.
12454 (nextchar): Remove. Replace uses with UNGETC.
12455 (skip_white_space): Handle linemode here. Optimize for cpplib.
12456 (skip_white_space_on_line): Remove.
12457 (extend_token_buffer_to): New fn.
12458 (extend_token_buffer): Use it.
12459 (read_line_number, check_newline): Just deal with tokens.
12460 (token_getch, token_put_back): New fns.
12461 (yylex): Use them. More cpplib optimizations. Simplify.
12463 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
12464 Jason Merrill <jason@yorick.cygnus.com>
12466 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
12467 (consume_string): Make this smart about USE_CPPLIB.
12468 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
12469 (yylex): Rewrite to be intelligent about USE_CPPLIB.
12470 Also, clean up cases where we redundantly set token_buffer[0].
12471 (read_line_number): New fn.
12472 (ignore_escape_flag): New variable.
12474 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
12476 * a29k/t-a29kbare: Fix some comments.
12477 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
12478 (FPBIT, DPBIT): Define.
12479 * a29k/t-vx29k: Likewise.
12480 * arc/t-arc: Likewise.
12481 * arm/t-arm-elf: Likewise.
12482 * arm/t-bare: Likewise.
12483 * arm/t-pe: Likewise.
12484 * arm/t-pe-thumb: Likewise.
12485 * arm/t-semi: Likewise.
12486 * arm/t-thumb: Likewise.
12487 * arm/t-thumb-elf: Likewise.
12488 * arm/t-thumb-linux: Likewise.
12489 * h8300/t-h8300: Likewise.
12490 * i960/t-i960: Likewise.
12491 * i960/t-vxworks960: Likewise.
12492 * m32r/t-m32r: Likewise.
12493 * mips/t-ecoff: Likewise.
12494 * mips/t-elf: Likewise.
12495 * mips/t-r3900: Likewise.
12496 * pa/t-pro: Likewise.
12497 * rs6000/t-aix43: Likewise.
12498 * rs6000/t-beos: Likewise.
12499 * rs6000/t-newas: Likewise.
12500 * rs6000/t-ppccomm: Likewise.
12501 * rs6000/t-rs6000: Likewise.
12502 * rs6000/t-winnt: Likewise.
12503 * rs6000/t-xnewas: Likewise.
12504 * rs6000/t-xrs6000: Likewise.
12505 * sh/t-sh: Likewise.
12506 * sparc/t-elf: Likewise.
12507 * sparc/t-sparcbare: Likewise.
12508 * sparc/t-sparclite: Likewise.
12509 * sparc/t-splet: Likewise.
12510 * v850/t-v850: Likewise.
12511 * mn10200/t-mn10200: Fix comments.
12512 * mn10300/t-mn10300: Likewise.
12514 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
12515 dummy operand. Allocate a new pseudo for the dummy operand.
12516 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
12518 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
12520 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
12522 * configure: Rebuilt.
12523 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
12525 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
12527 * recog.c (preproces_constraints): Zero recog_op_alt before
12528 processing the constraints.
12530 * arm.c (typedef minipool_node): Renamed from pool_node.
12531 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
12532 (add_minipool_constant): New function.
12533 (dump_minipool): New function.
12534 (find_barrier): Remove special case for getting the insn size of
12535 an insn that references the constant pool.
12536 (minipool_fixup): New structure.
12537 (push_minipool_barrier): New function.
12538 (push_minipool_fix): New function.
12539 (note_invalid_constants): New function.
12540 (add_pool_constant, dump_table, fixit, broken_move): Delete.
12541 (arm_reorg): Rewrite code to fix up the constant pool into a
12542 series of mini-pools embedded in the insn stream.
12543 (arm_output_epilogue): New function, made mainly from the body
12544 of output_func_epilogue.
12545 (output_func_epilogue): Move insn generation part of epilogue code
12546 to arm_output_epilogue.
12547 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
12548 * arm.md (pool_range): New attribute.
12549 (zero_extendqidi2): Add attribute pool_range.
12550 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
12551 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
12552 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
12553 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
12554 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
12555 (epilogue): New expand.
12556 (epilogue_insn): New insn. Call arm_output_epilogue.
12558 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
12559 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
12561 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
12563 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
12565 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
12567 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
12569 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
12571 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
12573 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
12575 * global.c: Fix comment.
12577 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
12579 * gcc.c (access_check): New static function.
12580 (find_a_file): Use it when searching a directory list.
12581 * collect2.c (find_a_file): Don't accept directories found when
12582 searching a directory list.
12584 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
12586 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
12587 function parameters with `&'.
12588 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
12590 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
12592 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
12593 or tidy_fallthru_edge if the last insn in the block is not
12594 an unconditional jump or a simple conditional jump.
12596 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12598 * Makefile.in (c-decl.o): Depends on defaults.h.
12600 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
12602 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
12604 (CLASS_MAX_NREGS): Likewise.
12606 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
12608 * cse.c (cse_insn): Fix dumb thinko in last change.
12610 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12612 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
12615 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
12617 * dwarf2out.c (add_location_or_const_value_attribute): Correct
12618 test for sizes of passed and declared parameter types.
12620 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12622 * fixincludes: Fix the return type of bsearch, char* -> void*.
12624 * fixinc/inclhack.def: Likewise.
12626 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
12628 * invoke.texi (-fdump-translation-unit): New option.
12630 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
12632 * expr.h (PROMOTE_PROTOTYPES): Move ...
12633 * defaults.h: ... to here.
12634 * c-decl.c: Include defaults.h instead of expr.h.
12635 * c-typeck.c: Include defaults.h.
12637 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
12639 * toplev.h (errorcount): Declare.
12640 (warningcount): Likewise.
12641 (sorrycount): Likewise.
12642 * c-lex.c (errorcount): Don't declare.
12643 * dwarf2out.c (errorcount): Don't declare.
12645 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
12647 * config/libgloss.h: Add a note discouraging use with ELF.
12648 * configure.in: Don't use libgloss.h for ELF targets.
12649 Always use_collect2 on a.out targets.
12651 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
12653 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
12654 (force_to_mode, case ASHIFTRT): Add shiftrt label.
12656 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12658 * loop.c (strength_reduce): When doing biv->giv conversion, update
12659 reg note of NEXT->insn.
12661 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
12663 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
12665 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
12667 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
12668 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
12669 Ensure expr.h is included.
12670 * c-typecheck.c (convert_arguments): Ditto.
12672 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
12674 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
12675 * config/convex/convex.h: Ditto.
12676 * config/dsp16xx/dsp16xx.h: Ditto.
12677 * config/fx80/fx80.h: Ditto.
12678 * config/gmicro/gmicro.h: Ditto.
12679 * config/i370/i370.h: Ditto.
12680 * config/i386/i386.h: Ditto.
12681 * config/m32r/m32r.h: Ditto.
12682 * config/m68k/m68k.h: Ditto.
12683 * config/m88k/m88k.h: Ditto.
12684 * config/mips/mips.h: Ditto.
12685 * config/pa/pa.h: Ditto.
12686 * config/pyr/pyr.h: Ditto.
12687 * config/tahoe/tahoe.h: Ditto.
12688 * config/we32k/we32k.h: Ditto.
12690 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
12691 based on arch size.
12693 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
12695 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
12698 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
12700 1999-08-02 Richard Henderson <rth@cygnus.com>
12702 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
12703 for the register spill block.
12704 (m32r_va_arg): New.
12705 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
12706 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
12708 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
12709 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
12710 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
12712 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
12714 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
12715 MAX_WCHAR_TYPE defined in sparc.h.
12716 * config/sparc/linuxaout.h: Likewise.
12717 * config/sparc/linux64.h: Likewise.
12718 Also default to -mvis if CPU is UltraSPARC.
12720 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
12722 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
12723 (RTX_OK_FOR_OLO10): Likewise.
12724 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
12725 %lo(), allow it in addresses...
12726 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
12727 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
12728 does not make sense.
12729 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
12730 (sparc_output_scratch_registers): New function.
12731 (output_function_prologue, sparc_flat_output_function_prologue): Use
12733 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
12735 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
12736 * configure.in: Add check for .register pseudo-op support in as and
12737 check for offsetable %lo().
12738 * acconfig.h: Add templates for the above checks.
12739 * configure: Regenerate.
12741 1999-08-02 Richard Henderson <rth@cygnus.com>
12743 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
12744 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
12745 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
12747 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12749 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
12752 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
12754 * config/float-sparc.h: New file.
12755 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
12756 sparc-*-linux-gnu and sparc64-*-linux*.
12758 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12760 * rs6000.c (rs6000_va_list): Type is an array.
12761 (rs6000_va_start): Don't doubly adjust for varargs.
12762 (rs6000_va_arg): Evaluate long long GPR adjustment.
12764 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
12766 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
12767 -maix64 and -maix32.
12768 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
12769 LINK_SPEC): Change appropriately.
12770 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
12771 (u_short_cint_operand): Likewise.
12772 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
12774 * rs6000/t-aix43 (MULTILIB): Change to -m64.
12776 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
12778 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
12780 * rs6000/rs6000.c (num_insns_constant_wide): Correct
12781 for type promotion.
12782 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
12783 (non_add_cint_operand): Likewise.
12784 (logical_operand): Likewise.
12785 (non_logical_cint_operand): Likewise.
12786 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
12787 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
12788 (rs6000_select_rtx_section): Suppress warning.
12789 (small_data_operand): Suppress warning.
12790 (rs6000_got_register): Suppress warning.
12791 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
12792 type, so `J' is generally the wrong constraint for a SImode value;
12794 (andsi3_internal2): Likewise.
12795 (andsi3_internal3): Likewise.
12796 (iorsi3_internal1): Likewise.
12797 (xorsi3_internal1): Likewise.
12799 (movsf_softfloat): Likewise.
12800 (scc insns): Likewise.
12801 (movsi+2): Preserve sign bits of SImode constant.
12802 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
12803 (movdf+1): Sign-extend properly.
12804 (movdi_32+1): Sign-extend properly.
12805 (scc insns): Sign-extend properly.
12807 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
12810 1999-08-02 Richard Henderson <rth@cygnus.com>
12812 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
12813 -mcpu parsing code.
12814 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
12815 * alpha.md (all fp insns): Likewise.
12817 1999-08-02 Nick Clifton <nickc@cygnus.com>
12819 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
12822 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
12824 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
12825 pic_load_label generator directly.
12826 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
12827 No longer a named pattern.
12829 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
12831 * explow.c (force_reg): Call force_operand if X does not
12832 satisfy general_operand.
12834 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
12836 * fix-header.c (main): When testing for CONTINUED, use string
12837 equality, not pointer equality.
12839 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
12841 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
12843 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
12845 * cse.c (cse_insn): Fix loop which deletes insns after a jump
12846 that has become an unconditional jump.
12848 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
12849 (output_function_epilogue): Similarly.
12851 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12853 * tree.h (init_dummy_function_start): Declare.
12855 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12857 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
12858 last_expr_type, last_expr_value, block_start_count, block_stack,
12859 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
12860 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
12861 dynamically in stmt elt of struct function for each function.
12862 (struct nesting): Rename function_call_count elt to n_function_calls,
12863 target_temp_slot_level to block_target_temp_slot_level. All users
12865 (struct stmt_status): New structure definition.
12866 Add many accessor macros for stmt_status elements which previously
12867 were global variables.
12868 (init_stmt_for_function): Allocate stmt elt for current_function.
12869 Reflect that block_start_count was renamed to
12870 current_block_start_count.
12871 (save_stmt_status, restore_stmt_status): Delete functions.
12872 (preserve_subexpressions_p): Don't access loop_stack when outside
12874 (expand_start_bindings): Reflect that block_start_count was renamed to
12875 current_block_start_count.
12876 (expand_fixup): Likewise.
12877 (expand_decl): Don't access block_stack when outside a function.
12878 (expand_decl_cleanup): Likewise.
12879 (expand_dcc_cleanup): Likewise.
12880 (expand_dhc_cleanup): Likewise.
12881 (expand_anon_union_decl): Likewise.
12882 (set_file_and_line_for_stmt): New function.
12883 (in_control_zone_p): New function.
12885 * function.h (struct function): Add new elt stmt.
12886 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
12887 case_stack, nesting_stack, nesting_depth, block_start_count,
12888 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
12889 emit_lineno, goto_fixup_chain.
12890 (save_eh_status, restore_eh_status, save_stmt_status,
12891 restore_stmt_status): Delete declarations.
12892 * function.c (push_function_context_to): Don't call save_stmt_status.
12893 (pop_function_context_to): Don't call restore_stmt_status.
12894 * tree.h (in_control_zone_p): Declare.
12895 * rtl.h (set_file_and_line_for_stmt): Declare.
12897 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
12898 call set_file_and_line_for_stmt.
12900 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
12902 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
12903 Also update copyright.
12905 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12907 * c-pragma.c: Don't include "except.h".
12908 * emit-rtl.c: Likewise.
12909 * stor-layout.c: Likewise.
12910 * tree.c: Likewise.
12911 * varasm.c: Likewise.
12913 * flow.c: Include "function.h".
12914 * tree.h (init_dummy_function_start): Declare new function.
12916 * except.h (struct eh_status): New structure.
12917 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
12919 (eh_return_stub_label, ehstack, catchstack, ehqueue,
12920 catch_clauses, false_label_stack, caught_return_label_stack,
12921 protect_list, current_function_ehc): Add accessor macros for the
12922 corresponding fields in current_function->eh; delete declarations
12923 for all items that used to be declared here.
12924 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
12925 catch_clauses, false_label_stack, caught_return_label_stack,
12926 protect_list, current_function_ehc): Delete variables.
12927 (init_eh_for_function): Allocate current_function->eh.
12928 (save_eh_status, restore_eh_status): Delete functions.
12930 * function.h (struct function): Add fields next_global and eh.
12931 Delete all exception handling related fields.
12932 * function.c (current_function): New variable.
12933 (all_functions): New variable.
12934 (push_function_context_to): Don't allocate a struct function,
12935 use current_function instead. Call init_dummy_function_start when
12936 outside a function. Clear current_function before returning.
12937 (pop_function_context_from): Restore current_function.
12938 Don't free the restored struct function.
12939 (prepare_function_start): New function.
12940 (init_dummy_function_start): New function.
12941 (init_function_start): Break out some code into prepare_function_start
12944 * stmt.c (save_stmt_status): Don't call save_eh_status.
12945 (restore_stmt_status): Don't call restore_eh_status.
12947 * Makefile.in: Update dependencies.
12949 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
12951 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
12952 of depending on a magic constant value. Update comments.
12953 (hppa_expand_prologue): Similarly.
12955 * pa.md (reload_indi, reload_outdi): Allow any register for the
12956 original reload register.
12958 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
12960 * cccp.c (print_help): Change marcos to macros.
12962 1999-07-30 Richard Henderson <rth@cygnus.com>
12964 * c-typeck.c (initializer_constant_valid_p): Move ...
12965 * c-common.c (initializer_constant_valid_p): ... here. Use
12966 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
12967 of label addresses.
12968 * c-common.h (initializer_constant_valid_p): Declare.
12969 * c-tree.h (initializer_constant_valid_p): Remove.
12971 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
12973 * config/i386/sol2-c1.asm: Align the stack.
12974 * config/i386/sol2-gc1.asm: Likewise.
12976 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
12978 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
12979 -Asparclite for sparc86x.
12980 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
12982 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
12984 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
12986 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
12987 the user if using the non-default arch size in BI_ARCH configuration.
12988 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
12990 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
12991 Fix patterns so that they actually match.
12992 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
12993 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
12994 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
12996 (mulsidi3): Reflect this in the expand.
12997 (smulsi3_highpart): Only on TARGET_ARCH32.
12998 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
12999 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
13000 (umulsidi3): Reflect this in the expand.
13001 (umulsi3_highpart): Only on TARGET_ARCH32.
13002 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
13003 don't require g0 to be zero.
13004 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
13005 ({,u}divsi3): New expands.
13006 ({,u}divsi3_sp64): New patterns.
13007 (after lshrdi3_v8plus): Four new patterns to help combiner
13008 optimizing nested mixed mode shifts.
13010 * config/sparc/sparc.c (sparc_override_options): Use deprecated
13011 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
13012 speed things up. Don't use them by default on plain v9 in 64bit
13013 mode, according to what SPAMv9 sais.
13015 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
13016 top 32 bits of %[og][0-7] in signal handlers.
13017 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
13019 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
13021 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
13022 (ashlsi3): Corresponding changes.
13024 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
13026 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
13028 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
13030 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13032 * arm.h (Hint): Delete macro.
13033 Substitute HOST_WIDE_INT for Hint in some prototypes.
13034 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
13036 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
13038 * builtins.c (expand_builtin_setjmp): Use force_operand to
13039 make sure that the buffer address is in a suitable form to be
13040 passed to force_reg.
13042 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
13044 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
13047 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
13049 * pa.md (indirect_jump): Remove mode from match_operand. Verify
13050 proper mode in the condition string.
13051 (icacheflush, dcacheflush): Remove modes from match_operands.
13053 * pa.c (emit_move_sequence): Always convert scratch_reg to the
13054 proper mode before using it.
13056 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
13059 * pa.c (store_reg): Do not call add_high_const generator directly.
13060 (load_reg, set_reg_plus_d): Likewise.
13061 * pa.md (add_high_const): No longer a named pattern.
13063 * pa.c (legitimize_address): Consistently use Pmode rather than
13064 SImode. Do not call gen_pic2_highpart directly anymore.
13065 * pa.md (pic2_highpart): No longer a named pattern.
13066 (pic2_lo_sum): Similarly. Reformat to make more readable.
13068 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
13073 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13075 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
13077 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
13079 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
13080 and tag the spill mems.
13081 (hppa_va_start): New.
13082 (hppa_va_arg): New.
13083 * pa.h (EXPAND_BUILTIN_VA_START): New.
13084 (EXPAND_BUILTIN_VA_ARG): New.
13086 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
13088 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
13089 and tag the spill mems.
13090 (mn10300_va_start): New.
13091 (mn10300_va_arg): New.
13092 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
13093 (EXPAND_BUILTIN_VA_ARG): New.
13095 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
13097 * mn10200.c (mn10200_va_arg): New.
13098 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
13100 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
13102 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
13103 rather than play with TREE_INT_CST_LOW.
13105 1999-07-27 Philip Blundell <pb@nexus.co.uk>
13107 * config/arm/telf.h: Include dbxelf.h.
13108 (CPP_PREDEFINES): Only define if not already defined.
13109 (ASM_IDENTIFY_GCC): Likewise.
13110 (SUBTARGET_EXTRA_SECTIONS): Likewise.
13111 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
13112 * config/arm/thumb.h (LINK_SPEC): Only define if not already
13114 (DBX_DEBUGGING_INFO): Don't define.
13115 * config/arm/linux-telf.h: New file.
13116 * config/arm/linux-tgas.h: New file.
13117 * config/arm/t-thumb-linux: New file.
13118 * config/arm/uclinux-elf.h: New file.
13119 * config/arm/uclinux-telf.h: New file.
13120 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
13121 thumb-*-uclinux): New targets.
13122 * configure: Regenerate.
13124 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
13126 * pa.md (post_store, pre_load): New expanders.
13127 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
13128 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
13129 need to directly generate RTL for them.
13130 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
13133 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
13135 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
13136 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
13137 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
13138 (secndary_reload_class): Make TARGET_ELF conditional compile.
13139 (print_operand_address): Similar.
13140 (output_toc): Print all values as hex.
13141 (get_issue_rate): Rearrange and add RS64A and PPC630.
13142 * rs6000.h (processor_type): Add RS64A and PPC630.
13143 (PROCESSOR_POWERPC64): New.
13144 (PROMOTE_MODE): Use word_mode.
13145 (RTX_COSTS): Add RS64A and PPC630.
13146 * rs6000.md (scheduling information): Add lmul and ldiv
13147 representing 64-bit integer multiply and divide. Add rs64a and
13148 PPC630 information.
13149 (ashldi3): Add support for "rldic" instruction.
13150 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
13152 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
13154 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
13155 instead of V8 for sparclite86x in cpu_table.
13157 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13159 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
13160 output_file_directive.
13162 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
13164 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
13165 tree for op1, not the rtl.
13167 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
13169 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
13170 to m88k_va_start, leaving only the register spill.
13171 (m88k_build_va_list): New.
13172 (m88k_va_start): New.
13173 (m88k_va_arg): New.
13174 * m88k.h (BUILD_VA_LIST_TYPE): New.
13175 (EXPAND_BUILTIN_VA_START): New.
13176 (EXPAND_BUILTIN_VA_ARG): New.
13178 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
13180 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
13181 Rename from expand_builtin_saveregs.
13182 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
13184 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
13186 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
13187 for the register spill block.
13188 (i960_build_va_list): New.
13189 (i960_va_start): New.
13190 (i960_va_arg): New.
13191 * i960.h (BUILD_VA_LIST_TYPE): New.
13192 (EXPAND_BUILTIN_VA_START): New.
13193 (EXPAND_BUILTIN_VA_ARG): New.
13194 * i960.md (store_multiple): Use change_address on individul mems.
13196 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
13198 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
13200 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
13201 (expand_builtin_va_end): Evaluate arg for side effects.
13202 * c-common.c (c_common_nodes_and_builtins): Construct a
13203 va_list_arg_type_node to handle array decomposition to pointer.
13205 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
13207 * except.c (start_dynamic_cleanup): Use force_operand on the
13210 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
13212 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
13213 * c4x.c (c4x_va_arg): New.
13215 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
13217 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
13218 has manual_pop set.
13220 1999-07-26 Nathan Sidwell <nathan@acm.org>
13222 * eh-common.h (__eh_matcher): Prototype correctly.
13224 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
13226 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
13227 (TARGET_SINGLE_PIC_BASE): Likewise.
13228 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
13230 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
13231 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
13232 (TARGET_OPTIONS): Add -mpic-register=N.
13233 (OUTPUT_INT_ADDR_CONST): New macro.
13234 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
13235 LEGITIMATE_PIC_OPERAND_P): Likewise.
13236 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
13237 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
13238 output_addr_const directly.
13239 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
13241 (thumb_pic_register, thumb_pic_register_string): Declare.
13243 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
13245 (label_mentioned_p): New function: Imported from arm.c.
13246 (legitimize_pic_address): New function: Imported from arm.c.
13247 (is_pic):New function: Imported from arm.c.
13248 (thumb_finalize_pic):New function: Imported from arm.c.
13249 (add_constant): Cope with PIC constants.
13250 (fixit): Cope with PIC constants.
13251 (output_return): Do not treat the PIC register as live if
13252 TARGET_SINGLE_PIC_BASE is true.
13253 (thumb_function_prologue): Do not treat the PIC register as live if
13254 TARGET_SINGLE_PIC_BASE is true.
13255 (thumb_expand_prologue): Do not treat the PIC register as live if
13256 TARGET_SINGLE_PIC_BASE is true.
13257 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
13258 TARGET_SINGLE_PIC_BASE is true.
13259 (thumb_print_operand): Accept '|'.
13260 (thumb_override_options): Process PIC options.
13262 * config/arm/thumb.md (movsi): Support PIC.
13263 (call_insn): Change "i" constraint to "X".
13264 (call_value_insn): Likewise.
13265 (consttable_4, consttable_8, consttable_end): Set and clear
13266 "making_const_table" as appropriate.
13267 (pic_load_addr, pic_add_dot_plus_four): New insns.
13269 * invoke.texi (Thumb Options): Fix spelling. Document new
13270 options -msingle-pic-base and -mpic-register=.
13272 1999-07-26 Andrew Haley <aph@cygnus.com>
13274 * config/m32r/initfini.c (__init): Use a full word immediate for
13275 __fini: this allows it to be placed in any memory region.
13277 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
13278 -mmodel=medium. This is OK for all memory models.
13280 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
13282 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
13283 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
13285 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
13287 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
13290 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
13292 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
13294 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
13295 (BUILD_VA_LIST_TYPE): New.
13296 (EXPAND_BUILTIN_VA_START): New.
13297 (EXPAND_BUILTIN_VA_ARG): New.
13298 * i860.c (output_delayed_branch): Disable.
13299 (output_delay_insn): Likewise.
13300 (i860_saveregs): New.
13301 (i860_build_va_list): New.
13302 (i860_va_start): New.
13303 (i860_va_arg): New.
13304 * i860.md: Disable all peepholes using output_delayed_branch.
13305 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
13307 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
13309 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
13310 (BUILD_VA_LIST_TYPE): New.
13311 (EXPAND_BUILTIN_VA_START): New.
13312 (EXPAND_BUILTIN_VA_ARG): New.
13313 * clipper.c (clipper_builtin_saveregs): Only dump registers.
13314 Return the address of the save area.
13315 (clipper_build_va_list): New.
13316 (clipper_va_start): New.
13317 (clipper_va_arg): New.
13319 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
13321 * arc.h (EXPAND_BUILTIN_VA_START): New.
13322 (EXPAND_BUILTIN_VA_ARG): New.
13323 * arc.c (arc_setup_incoming_varargs): Set alias set of
13325 (arc_va_start): New.
13328 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
13330 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
13331 (BUILD_VA_LIST_TYPE): New.
13332 (EXPAND_BUILTIN_VA_START): New.
13333 (EXPAND_BUILTIN_VA_ARG): New.
13334 * alpha.c (alpha_builtin_saveregs): Delete.
13335 (alpha_build_va_list): New.
13336 (alpha_va_start): New.
13337 (alpha_va_arg): New.
13339 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
13341 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
13343 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
13344 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
13346 * gcc.texi: More changes related to list conversion.
13347 * invoke.texi: Likewise.
13349 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
13351 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
13352 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
13353 (expand_builtin_next_arg): Accept ARGLIST not EXP.
13354 (stabilize_va_list): New function.
13355 (std_expand_builtin_va_start): New function.
13356 (expand_builtin_va_start): New function.
13357 (get_varargs_alias_set): New function.
13358 (std_expand_builtin_va_arg): New function.
13359 (expand_builtin_va_arg): New function.
13360 (expand_builtin_va_end): New function.
13361 (expand_builtin_va_copy): New function.
13362 (expand_builtin): Call them.
13363 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
13364 __builtin_{varargs_start,stdarg_start,end,copy}.
13365 (build_va_arg): New function.
13366 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
13367 (build_va_arg): Declare.
13368 * c-decl.c (ptr_type_node, va_list_type_node): New.
13369 * c-parse.gperf (__builtin_va_arg): New.
13370 * c-parse.in (VA_ARG): New token.
13371 (unary_expr): Recognize it.
13372 * expr.c (expand_expr): Expand VA_ARG_EXPR.
13373 * expr.h (std_expand_builtin_va_start): Declare.
13374 (std_expand_builtin_va_arg): Declare.
13375 (expand_builtin_va_arg): Declare.
13376 (get_varargs_alias_set): Declare.
13377 * tree.def (VA_ARG_EXPR): New.
13378 * tree.h (BUILT_IN_VARARGS_START): New.
13379 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
13380 (ptr_type_node, va_list_type_node): Declare.
13381 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
13382 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
13383 * m88k.h, m88k.c: Likewise.
13384 * mn10300.h, mn10300.c: Likewise.
13385 * pa.h, pa.c: Likewise.
13386 * rs6000.h, rs6000.c: Likewise.
13387 * sh.h, sh.c: Likewise.
13388 * sparc.h, sparc.c: Likewise.
13390 * emit-rtl.c (operand_subword): Copy alias set.
13391 (change_address): Likewise.
13393 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
13395 * pa.c (compute_frame_size): Scan all the used callee saved registers,
13396 not just the first one.
13398 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
13400 * config/arm/arm.h (TARGET_SWITCHES): Add
13401 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
13402 (TARGET_OPTIONS): Add -mpic-register=.
13403 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
13404 (arm_pic_register_string): Declare.
13405 (NEED_PLT_GOT): Delete, replace with ...
13406 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
13407 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
13408 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
13409 * config/arm/arm.c (arm_override_options): Add new option
13411 (arm_pic_register_string): New variable.
13412 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
13413 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
13414 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
13415 (output_return_instruction): Likewise.
13416 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
13417 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
13418 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
13420 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
13421 mention of -msched-prolog. Document new options -msingle-pic-base
13422 and -mpic-register=.
13424 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
13426 * haifa-sched.c (reemit_notes): Tidy.
13427 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
13430 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
13432 * explow.c (trunc_int_for_mode): New function.
13433 (plus_constant_wide): Use it.
13434 * combine.c (simplify_and_const_int): Likewise.
13435 (merge_outer_ops): Likewise.
13436 (simplify_shift_const): Likewise.
13437 * cse.c (simplify_unary_operation): Likewise.
13438 (simplify_binary_operation): Likewise.
13439 * emit-rtl.c (operand_subword): Likewise.
13440 * rtl.h: Declare it.
13442 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13444 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
13445 (use NUM_REGS instead of NUM_INTS).
13447 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13449 * builtins.c: New file.
13450 * expr.c (saveregs_value, apply_args_value): Delete definition,
13451 moved into builtins.c.
13452 (string_constant): No longer static.
13453 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
13454 apply_args_size, apply_result_size, result_vector,
13455 expand_builtin_apply_args, expand_builtin_apply,
13456 expand_builtin_return): Delete functions, moved into builtins.c.
13457 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
13458 * expr.h (saveregs_value, apply_args_value): Declare variables.
13459 (expand_builtin, string_constant): Declare functions.
13460 * Makefile.in: Update to build builtin.o.
13462 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
13464 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
13465 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
13466 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
13467 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
13469 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
13472 1999-07-21 Michael Meissner <meissner@cygnus.com>
13474 * print-rtl.c (print_rtx): Print the names of the virtual
13477 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
13479 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
13480 introduced in previous delta.
13482 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13484 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
13485 to avoid name clash.
13487 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
13489 * c-lex.c (yylex) : Correct the test for overflow when lexing
13492 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
13494 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
13495 (adjust_priority): Always call ADJUST_PRIORITY.
13496 (schedule_insn): Only put insns into the ready at cost 0.
13497 (schedule_block): Remove redundant initial sort. Give clock_var
13498 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
13500 * tm.texi (MD_SCHED_REORDER): Update docs.
13502 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
13503 * sparc.c (ultra_reorder_called_this_block): Delete.
13504 (ultrasparc_sched_init): Don't set it.
13505 (ultrasparc_sched_reorder): Don't check it.
13507 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
13509 * rs6000.h (struct rs6000_args): Add sysv_gregno.
13510 * rs6000.c (init_cumulative_args): Init sysv_gregno.
13511 (function_arg_boundary): Align DFmode.
13512 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
13513 to get fp reg and stack overflow correct.
13514 (function_arg): Likewise.
13515 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
13516 (setup_incoming_varargs): Restructure for ABI_V4; use
13517 function_arg_advance to skip final named argument.
13518 (expand_builtin_saveregs): Properly unskip the last integer arg
13519 when doing varargs. Adjust overflow location calculation.
13521 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
13522 explicitly unsigned.
13523 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
13524 (__VA_GP_REGSAVE): Similarly.
13525 (__va_longlong_p): Delete.
13526 (__va_arg_type_violation): New declaration.
13527 (va_arg): Restructure. Flag promotion errors. Align double.
13528 TFmode passed by reference.
13530 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
13531 in the HOST_BITS_PER_WIDE_INT > 32 case.
13533 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
13535 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
13537 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
13539 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
13540 * toplev.c (documented_lang_options): Add -fpreprocessed.
13541 * cpplib.h (struct cpp_buffer): Add preprocessed.
13542 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
13543 (cpp_start_read): Don't expand macros or emit an initial #line
13544 directive if -fpreprocessed.
13546 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
13548 * cpplib.h (struct cpp_buffer): Added manual_pop for
13549 better C++ tokenization.
13550 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
13551 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
13552 * c-common.c (cpp_token): Make non-static.
13554 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13556 * c-common.h: New file.
13557 * c-common.c (permanent_obstack): Delete unused declaration.
13558 (c_global_trees): New array.
13559 (c_common_nodes_and_builtins): New function; split off common code
13560 from init_decl_processing in both c-decl.c and cp/decl.c.
13561 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
13562 c_global_trees and accessor macros defined in c-common.h.
13563 Include c-common.h.
13564 * c-decl.c: Delete definitions for tree nodes that were replaced by
13566 (init_decl_processing): Build void_list_node.
13567 Call c_common_nodes_and_builtins; delete code to generate the common
13569 * objc/objc-act.c (build_module_descriptor): Rename variable
13570 void_list_node to avoid clash with c-common.h.
13572 * Makefile.in: Update dependencies.
13573 * objc/Make-lang.in: Likewise.
13575 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
13577 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
13578 (UNIQUE_SECTION_P): Likewise.
13579 (UNIQUE_SECTION): Likewise.
13581 1999-07-19 Linas Vepstas <linas@linas.org>
13583 * config/i370/README: New file.
13584 * config/i370/linux.h: New file.
13585 * config/i370/mvs.h: New file.
13586 * config/i370/oe.h: New file.
13587 * config/i370/t-linux: New file.
13588 * config/i370/t-mvs: New file.
13589 * config/i370/t-oe: New file.
13590 * config/i370/x-oe: New file.
13591 * config/i370/xm-linux.h: New file.
13592 * config/i370/xm-mvs.h: New file.
13593 * config/i370/xm-oe.h: New file.
13595 * i370.c (label_node_t): Add first_ref_page, label_addr,
13596 label_first_ref, label_last_ref members.
13597 (mvs_need_base_reload): Renamed from mvs_label_emitted.
13598 (MAX_MVS_LABEL_SIZE): Define.
13599 (MAX_LONG_LABEL_SIZE): Define.
13600 (alias_node_t, alias_anchor, alias_number): New.
13601 (mvs_function_table): Reorder for EBCDIC.
13602 (ascebc, ebcasc): Unconditionally define.
13603 (i370_branch_dest, i370_branch_length): New functions.
13604 (i370_short_branch, i370_label_scan): New functions.
13605 (mvs_get_label): Renamed from mvs_add_label. Search for
13606 an existing label before creating a new one.
13607 (mvs_add_label): New function.
13608 (mvs_get_label_page): New function.
13609 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
13610 over the entire list.
13611 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
13612 (mvs_check_page) [TARGET_ELF_ABI]: New function.
13613 (mvs_add_alias, mvs_need_alias): New functions.
13614 (mvs_get_alias, mvs_check_alias): New functions.
13615 (handle_pragma): New function.
13616 (mvs_function_check): New function.
13617 (unsigned_jump_follows_p): Search harder.
13618 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
13619 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
13620 * i370.h (TARGET_VERSION): Delete.
13621 (CPP_SPEC, CPP_PREDEFINES): Delete.
13622 (mvs_label_emitted): Delete.
13623 (TARGET_EBCDIC): Delete.
13624 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
13625 (HANDLE_PRAGMA): Define.
13626 (HARD_REGNO_NREGS): Handle complex modes.
13627 (HARD_REGNO_MODE_OK): Likewise.
13628 (CLASS_MAX_NREGS): Likewise.
13629 (RET_REG): Likewise.
13630 (EXTRA_CONSTRAINT): Define.
13631 (RETURN_IN_MEMORY): True for DImode.
13632 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
13633 (FUNCTION_PROFILER): Delete.
13634 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
13635 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
13636 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
13637 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
13638 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
13639 (ASM_FILE_START): Add "RMODE ANY".
13640 (ASM_OUTPUT_EXTERNAL): Check for aliases.
13641 (ASM_GLOBALIZE_LABEL): Likewise.
13642 (ASM_OUTPUT_LABELREF): Likewise.
13643 (ASM_OUTPUT_COMMON): Likewise.
13644 (PRINT_OPERAND): Handle 'K', 'W', default.
13645 (PRINT_OPERAND_ADDRESS): New.
13646 (Lots of defines): Add support for TARGET_ELF_ABI.
13647 * i370.md (attr length): New. Define for all patterns.
13648 (*): Lots of tweeks to assembly output and constraints.
13650 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
13652 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
13653 Disable patterns performing SImode comparisons with SImode values
13654 if TARGET_POWERPC64 and instruction does not sign-extend or does
13655 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
13656 differ for signed quantities.
13657 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
13658 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
13659 (decrement_and_branch_on_count): Add 64-bit variant.
13661 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13663 * final.c (output_asm_insn): When searching for the matching string
13664 for a given dialect, don't run past the end of the list of
13665 alternatives if there are fewer alternatives in the template than
13668 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
13670 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
13671 Removed paragraph about compression of files and size limitation,
13672 duplicated in the FAQ. Use gcc-patches for posting patches.
13673 * gcc.c (main): Updated URL with bug reporting instructions to
13674 gcc.gnu.org. Removed e-mail address.
13675 * system.h (abort): Likewise.
13677 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13679 * Makefile.in (stmp-multilib-sub): Make the files extracted
13680 from $(LIBGCC1) writable.
13682 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
13684 * config/arm/aout.h: Reformat for improved readability.
13686 * config/arm/arm.h: Reformat for improved readability.
13687 Replace uses of fprintf with asm_fprintf where appropriate.
13688 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
13689 function declaration assembler actions.
13690 (NUM_INTS): New macro: Convert from bytes to words.
13691 (NUM_REGS): New macro: Compute number of registers required to
13692 hold a quanitity of tyep MODE.
13693 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
13695 (NUM_ARG_REGS): New macro: The number of argument registers
13697 (ARG_REGISTER): New macro: Compute the register number of the Nth
13699 (LAST_ARG_REGNUM): New macro: The number of the last argument
13701 (SP_REGNUM): New macro: Register number of the stack pointer.
13702 (FP_REGNUM): New macro: Register number of the frame pointer.
13703 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
13704 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
13705 CUMULATIVE_ARGS so that it counts registers not bytes.
13707 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
13709 Replace uses of fprintf with asm_fprintf where appropriate.
13710 (output_ascii_pseudo_op): Replace with version from thumb.c
13712 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
13714 * config/arm/elf.h (CPP_PREDEFINES): Replace with
13715 SUBTARGET_CPP_SPEC.
13716 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
13717 (ASM_FILE_START): Emit ASM_APP_OFF.
13719 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
13721 * pa.c (compute_frame_size): Round frame according to
13722 STACK_BOUNDARY rather than a hardwired value.
13724 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
13726 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
13728 * configure: Rebuilt.
13730 * configure.in (hppa*-*-linux*): New configuration.
13731 * configure: Rebuilt.
13732 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
13733 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
13734 * pa/pa-linux.h: New file.
13735 * pa/t-linux: New file.
13736 * pa/xm-linux.h: New file.
13738 * pa.c (hppa_legitimize_address): Change references from SImode to
13739 either Pmode or word_mode as appropriate.
13740 (emit_move_sequence, store_reg, load_reg): Likewise.
13741 (set_reg_plus_d, hppa_expand_prologue): Likewise.
13742 (output_mul_insn): Likewise.
13743 * pa.h (PROMOTE_MODE): Likewise.
13744 (INITIALZE_TRAMPOLINE): Likewise.
13745 (Pmode): Define to word_mode.
13747 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
13748 value of 4. Allocate 8 bytes for each FP register save.
13749 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
13751 (hppa_expand_prologue): Likewise.
13752 * pa.h (PROMOTE_MODE): Likewise.
13753 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
13754 (FUNCTION_ARG_BOUNDARY): Likewise.
13756 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
13758 * pa.c (out_of_line_prologue_epilogue): Delete.
13759 (override_options): Remove -mspace related code.
13760 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
13761 (compute_frame_size): Only allocate space for register that
13762 actually need to be saved.
13763 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
13764 (TARGET_SWITCHES): Remove -mspace, -mno-space
13765 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
13766 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
13767 * pa/ee.asm, pa/ee_fp.asm: Delete.
13769 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
13771 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
13772 directive in column zero.
13774 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
13776 * m68k.c (output_function_prologue): Fix computation of save mask
13777 when generating PIC code.
13779 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
13781 * tree.c (build_type_attribute_variant): Move current_obstack restore
13782 after build_qualified_type call.
13784 1999-07-15 Mark Mitchell <mark@codesourcery.com>
13786 * configure.in: Use t-iris6, even with GNU LD.
13787 * config/mips/iris6gld.h: Fix typo in linker spec.
13788 * config/mips/t-iris6gld: Remove.
13790 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
13792 * rs6000.md (insv, extzv): Remove SImode dependence in named
13793 patterns. Explicitly generate DImode RTL if PowerPC64 and
13795 (insvdi): Reverse start and size in instruction template.
13797 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
13799 * invoke.texi: Typo fixes.
13801 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
13803 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
13804 handle at this time instead of silently generating incorrect code.
13805 (gen_imagpart): Likewise.
13807 * reload.c (find_reloads): Emit a USE for a pseudo register without
13808 a hard register if we could not create an optional reload for the
13811 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13813 * c-typeck.c (output_init_element, process_init_element):
13814 When advancing constructor_unfilled_fields for a RECORD_TYPE,
13815 check for nameless bit fields.
13817 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
13819 * regclass.c (scan_one_insn): Notice subregs that change the
13820 size of their operand.
13821 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
13823 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
13825 * configure.in (alpha*-*-*): Include alpha/t-ieee.
13826 * configure: Rebuilt.
13827 * alpha/t-ieee: New file.
13829 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
13831 * rs6000.c (find_addr_reg): Do not select r0 as an address
13834 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
13836 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
13838 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
13840 * rs6000.md (movsf): Do not force easy FP constants into memory.
13842 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
13843 immed_double_const to ensure they are properly truncated then
13846 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
13848 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
13849 always unless NO_DEBUG is used. Compile this code
13851 (replace_symbols_in_block): Compile it unconditionally.
13853 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
13855 * configure.in (i?86-*-elf*): New target.
13856 * configure: Rebuilt.
13857 * i386/i386elf.h, i386/t-i386elf: New files.
13859 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
13861 * toplev.c (main): Don't complain about saying -gdwarf.
13862 (rest_of_compilation): Remove redundant code.
13864 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
13866 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
13868 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
13870 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
13871 "Li960R:", to avoid name clash.
13873 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13875 * loop.c (check_dbra_loop): When reversing a loop, delete all
13876 REG_EQUAL notes referencing the reversed biv except those which are
13877 for a giv based on it.
13879 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
13881 * version.c: Drop "gcc-" prefix from version #.
13883 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
13885 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
13886 the label if we're being verbose.
13888 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
13890 * m68k.c (output_function_prologue): Add pic register to mask
13891 if live and flag_pic.
13892 (output_function_epilogue): Likewise.
13894 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
13896 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
13897 directives in column zero.
13899 * pa/elf.h (ASM_FILE_START): Define.
13900 * pa/som.h (ASM_FILE_START): Include .level directives.
13901 * pa/hpux10.h (ASM_FILE_START): Delete.
13902 * pa/hpux11.h (ASM_FILE_START): Delete.
13904 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
13906 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13908 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
13909 when reload_out equals reload_in.
13911 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
13913 * invoke.texi (Spec Files): New node: Describe the contents of
13916 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
13918 * invoke.texi (DEC Alpha Options): Put @end table at
13919 beginning of line, to avoid confusing texi2html.
13921 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
13923 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
13924 introduced in previous delta.
13926 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13928 * reload1.c (gen_reload): When synthesizing a 3 operand add
13929 sequence, improve test for when to reload OP1 into the reload
13930 register instead of OP0.
13932 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
13934 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
13936 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
13938 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
13941 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
13943 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
13944 (va_dcl): Use __builtin_va_alist_t.
13946 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
13948 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
13949 on the permanent_obstack.
13950 * dwarfout.c (output_type): Likewise.
13952 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
13954 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
13955 Merged from c-typeck.c and cp/typeck.c.
13956 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
13957 Merged into c-common.
13959 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
13961 * c-lex.c (errorcount): Declare it.
13962 (finish_parse): Update errorcount when using CPPLIB.
13964 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
13966 * fixinc/inclhack.def(end_else_label): Double the backslash so
13967 sed gets a chance to see it.
13968 * fixinc/inclhack.sh: regen
13969 * fixinc/fixincl.x: regen
13971 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
13973 Add framework to support armv5 architecture when it becomes
13976 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
13977 (arm_arch5): New variable.
13978 (all_architectures): Add armv5 line.
13979 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
13980 -march=armv5 is specified on the command line.
13981 (arm_arch5): Export this variable.
13982 * invoke.texi: Document new string accepted by -march= switch for
13985 * config/arm/arm.h: Replace use of constant 12 as a register
13986 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
13987 * config/arm/arm.c: Replace use of constant 12 as a register
13988 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
13990 * config/arm/elf.h: Tidy up.
13991 * config/arm/coff.h: Tidy up.
13993 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
13995 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
13996 * gcc/config/mips/t-iris6gld: New file.
13997 * gcc/config/mips/iris6gld.h: Likewise.
13999 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
14001 * c-decl.c (widest_integer_literal_type_node,
14002 widest_unsigned_literal_type) : New.
14003 (init_decl_processing): Handle/use the two new types.
14004 * c-common.c (type_for_size,type_for_mode) : Same.
14005 * c-lex.c (yylex) : Same.
14006 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
14008 * c-tree.h (widest_integer_literal_type_node,
14009 widest_unsigned_literal_type) : New.
14011 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
14013 * dwarfout.c (field_byte_offset): Correctly compute the object's
14014 byte offset for the first bit of a field which crosses an alignment
14015 boundary on a !BYTES_BIG_ENDIAN target.
14017 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
14019 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
14022 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
14023 Jeff Law <law@cygnus.com>
14025 * ginclude/varargs.h (va_dcl): Use word_mode for type of
14028 * except.c: Include intl.h.
14029 (expand_eh_return): Set current_function_cannot_inline.
14030 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
14031 * function.h (struct function): Add eh_return_stub_label.
14032 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
14033 * Makefile.in (except.o): Depend on intl.h.
14035 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
14037 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
14038 same as offsettable in cases 1 and 2.
14040 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
14042 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
14043 (extlh, extwh): Likewise.
14045 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
14047 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
14049 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
14051 * configure.in: Add arm-pe and thumb-pe targets.
14052 * configure: Regenerate.
14054 * thumb.c (arm_naked_function_p): New function: Determines if
14055 a function is naked (has no gcc generated prologue/epilogue).
14056 (is_called_in_ARM_mode): Return true if the func has the
14057 interfacearm attribute.
14058 (output_return): Do not generate a return for naked functions.
14059 (thumb_function_prologue): Do not generate a prologue for
14061 (thumb_expand_prologue): Do not generate a prologue for naked
14063 (thumb_expand_epilogue): Do not generate an epilogue for naked
14065 (arm_valid_machine_decl_attribute): New function, copied from
14066 arm.c: Permit naked and interfacearm attributes.
14068 * config/arm/pe.c: New file: Support code for arm-pe target.
14069 * config/arm/pe.h: New file: Header file for arm-pe target.
14070 * config/arm/tpe.h: New file: Header file for thumb-pe target.
14071 * config/arm/t-thumb-pe: New file: Makefile fragment for
14074 1999-07-01 Mark Kettenis <kettenis@gnu.org>
14076 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
14077 -fPIC or -fpic is specified.
14079 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
14081 * expr.c (emit_block_move): Use copy_to_mode_reg for
14082 !TARGET_MEM_FUNCTIONS case too.
14084 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
14086 * configure: Rebuilt.
14087 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
14088 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
14089 definitions made redundant by dbxelf.h inclusion. Delete
14090 lots of definitions related to assembly output that are
14091 specific to the SOM object format.
14092 * pa.c (output_function_prologue): Do not emit the function's
14094 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
14095 * pa-pro.h: Deleted.
14096 * som.h: New file with SOM specific definitions.
14097 * elf.h: New file with ELF specific definitions.
14099 * elfos.h (const_section): Output a tab before assembler directives.
14100 (ctors_section, dtors_section): Likewise.
14101 (ASM_OUTPUT_SECTION_NAME): Likewise.
14103 * pa/pa1.h: Delete unused file.
14105 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
14107 * configure.in (hppa*-hp-hpux11*): New configuration.
14108 * configure: Rebuilt.
14109 * pa/pa-hpux11.h: New file.
14110 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
14113 * mips.md (leasi, leadi): New patterns.
14115 * expr.c (emit_block_move): Properly handle case where one of the
14116 block move arguments has a queued increment or decrement.
14117 (clear_storage): Similarly. Fix formatting goof.
14119 1999-06-28 "David O'Brien" <obrien@NUXI.com>
14121 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
14122 semicolon from the BSD VA_LIST replacement expression.
14124 * fixinc/inclhack.sh: regen
14125 * fixinc/fixincl.x: regen
14127 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
14128 now use the fixincl program.
14130 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
14132 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
14133 case. Also make the PIC register call_used.
14135 * m68k.h (FINALIZE_PIC): Delete.
14136 * m68k.c (finalize_pic): Delete.
14138 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
14140 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
14143 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
14145 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
14147 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
14149 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
14151 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
14153 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
14155 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
14157 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
14159 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
14161 * rs6000.c (output_toc): Always use hex values for floating-point
14162 constants. Store single-precision values in upper-half of TOC
14163 entry in 64-bit mode.
14164 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
14165 to final constraints.
14166 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
14167 (fctiwz): Improve accuracy of RTL for pattern.
14169 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
14171 * expr.c (expand_expr): Allow RTL_EXPR's through the
14172 MAX_INTEGER_COMPUTATION_MODE checks.
14174 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
14176 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
14177 such that MASK_SUPPORT_ARCH is not negative.
14179 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
14181 * loop.c (verify_dominator): Properly handle ADDR_VEC and
14182 ADDR_DIFF_VEC insns that appear inside loops.
14184 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
14185 Jeff Law <law@cygnus.com>
14187 * rs6000.md (movdf_hardfloat32): Revert previous patch.
14188 Handle LO_SUM the same as offsettable in cases 1 and 2.
14189 * rs6000.c (find_addr_reg): Revert previous patch.
14191 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
14193 * system.h (strstr): New external function declaration.
14194 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
14195 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
14196 * config.in, configure: Rebuilt.
14198 1999-06-24 Tom Tromey <tromey@cygnus.com>
14200 * gcc.c (main): Read user-specified specs files after computing
14201 additional startfile_prefixes.
14203 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
14205 Revert these two patches:
14207 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14208 * loop.c (strength_reduce): When doing biv->giv conversion, update
14209 reg note of NEXT->insn.
14211 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14212 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
14214 (recombine_givs): Set ix field after sorting.
14216 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14218 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
14219 for the parts of an UNSPEC / UNSPEC_VOLATILE.
14221 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
14223 *fixinc/inclhack.def: Add fix development commentary
14224 (read_ret_type): reactivate and add selection clause
14225 (zzz_*): tweak output file name to match what is used in hackshell.tpl
14226 *fixinc/{fixincl.x|inclhack.sh}: regen
14228 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
14230 * expr.c (expand_expr): STRIP_NOPS before checking against
14231 MAX_INTEGER_COMPUTATION_MODE
14232 (check_max_integer_computation_mode): Likewise.
14234 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
14236 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
14238 1999-06-22 Jim Wilson <wilson@cygnus.com>
14240 * expr.c (store_expr): When target is a promoted subreg, return a
14241 promoted subreg as a result.
14243 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
14245 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
14247 (dwarf2out_define): Mark unused parameters appropriately.
14248 (gen_unspecified_parameters_die): Ditto.
14249 (gen_subprogram_die): Fix signed/unsigned warnings.
14250 (gen_variable_die): Ditto.
14252 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
14254 * fixinc/inclhack.def(end_else_label): combined else_label
14255 and endif_label and fixed the sed expression.
14256 *fixinc/{fixincl.x|inclhack.sh}: regen
14258 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
14260 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
14261 'x' when handling non-offsettable addresses
14263 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
14265 * final.c (shorten_branches): Don't try to split an insn that has
14268 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
14270 * config/mips/mips.c (symbolic_expression_p): New function.
14271 (mips_select_rtx_section): Put symbolic expressions in the
14272 data section, not the read-only data section.
14274 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
14276 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
14278 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
14280 * collect2.c (main): Log frame table count.
14281 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
14282 (scan_prog_file) [COFF]: Handle frame tables.
14284 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
14285 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
14286 * alpha/elf.h: Undef them again.
14287 * alpha/vms.h: Remove their definitions.
14289 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14291 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
14292 remove the clobber of r0 and change the REG_UNUSED note to
14295 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
14297 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
14298 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
14299 fits in HOST_WIDE_INT and one uses union to access a long constant
14302 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
14304 * sparc.c (sparc_override_options): Don't allow profiling for
14305 code models other than medlow.
14306 (sparc_function_profiler): New function from old FUNCTION_PROFILER
14307 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
14308 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
14309 (sparc_block_profiler): Likewise.
14310 (sparc_function_block_profiler_exit): Likewise.
14311 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
14312 (FUNCTION_BLOCK_PROFILER): Likewise.
14313 (BLOCK_PROFILER): Likewise.
14314 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
14315 (MCOUNT_FUNCTION): New.
14316 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
14317 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
14318 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
14319 (MCOUNT_FUNCTION): New.
14320 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
14321 (BLOCK_PROFILER): Delete.
14322 (MCOUNT_FUNCTION): New.
14324 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
14326 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
14328 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
14330 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
14333 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
14336 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
14339 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
14342 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
14344 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
14347 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
14349 * i386/djgpp.h (LIB_SPEC): New.
14350 (STARTFILE_SPEC): New.
14352 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
14354 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
14356 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
14359 * system.h (WSTOPSIG): New macro.
14361 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
14363 * c-pragma.c (push_alignment): Don't ignore alignments greater than
14365 (insert_pack_attributes): Take into account member natural
14368 * i386/winnt.c (exports_head): New static variable.
14369 (i386_pe_record_exported_symbol): New function.
14370 (i386_pe_asm_file_end): Use.
14371 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
14372 symbols to be emitted at end of assembly.
14373 (ASM_DECLARE_OBJECT_NAME): Likewise.
14374 (ASM_DECLARE_FUNCTION_NAME): Likewise.
14376 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
14379 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
14381 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
14384 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
14386 * haifa-sched.c (sched_analyze_1): Use free_list instead of
14387 zapping reg_last_uses directly.
14388 (sched_analyze_2, sched_analyze_insn): Likewise.
14389 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
14391 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
14393 * rs6000.md (movdf_hardfloat32): Use worst case insn length
14394 attributes for cases 1 and 2.
14396 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
14398 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
14401 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
14403 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
14405 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
14407 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
14408 PIC_OFFSET_TABLE_REGNUM for general alloaction.
14409 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
14410 must be stacked if it is used for PIC accesses.
14411 * arm.c (use_return_insn): Handle PIC register specially.
14412 (output_return_instruction): Likewise.
14413 (output_func_{prologue,epilogue}): Likewise.
14414 (output_expand_prologue): Likewise.
14416 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
14417 (*strsi_predec): Renamed from *strqi_predec.
14418 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
14419 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
14421 * arm.c (arm_override_options): Remove warning about PIC code
14422 not being supported.
14424 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
14426 * rs6000.c (find_addr_reg): New function.
14427 * rs6000.h (find_addr_reg): Declare.
14428 (offsettable_addr_operand): Delete.
14429 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
14430 from and stores to GPRs.
14432 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
14434 * alpha.c (alpha_expand_block_move): Use get_insns rather than
14435 gen_sequence as argument to emit_no_conflict_block.
14437 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
14439 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
14440 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
14441 *fixinc/fixincl.x: regen
14442 *fixinc/inclhack.sh: regen
14444 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
14446 * added support for -mpcrel (PC relative addressing for m68k)
14447 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
14448 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
14449 * m68k.c (print_operand_address): Handle 32-bit PIC case.
14450 (comments for general_src_operand): Add some explanation
14451 about EXTRA_CONSTRAINTS.
14452 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
14453 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
14454 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
14455 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
14456 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
14457 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
14458 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
14459 if not already set.
14460 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
14461 * m68k.h (TARGET_PCREL): New target flag.
14462 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
14463 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
14464 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
14465 contains a SYMBOL_REF. Relax this constraint during reload, since
14466 we want to use the predicates, not reload's built-in concept of a
14467 valid memory address, to control what insns need reloading.
14468 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
14469 operands (essentially 'g', 'm', and 's' under normal circumstances).
14470 * m68k.c (print_operand): Cause printing of pc-relative addresses
14471 to include pc register.
14472 (print_operand_address): Ditto.
14473 (general_src_operand): Accept operands that are not only
14474 general_operands, but are also valid when used as a pc-relative
14476 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
14477 (memory_src_operand): Similar, for memory_operands.
14478 (pcrel_address): New predicate to accept the special case of a
14479 pc-relative address.
14480 * m68k.md (many patterns): Rewrite common SImode, HImode, and
14481 QImode insns to accept *_src_operand instead of *_operand where
14482 pc-relative operands can fit. For example, a pc-relative operand
14483 can be used as a memory source operand for addsi3, but not as a
14484 memory destination.
14485 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
14487 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
14489 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
14490 .thumb_set pseudo op to mark aliases of thumb functions.
14492 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
14494 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
14495 preference to ASM_OUTPUT_DEF, if it is defined.
14497 * tm.texi: Document new, optional target macro
14498 ASM_OUTPUT_DEF_FROM_DECLS.
14500 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
14502 * fixincludes: ISCNTL patch
14503 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
14504 (dgux_int_varargs): new for DG/UX
14505 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
14507 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
14509 * invoke.texi (ia32 options): Fix typo.
14511 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14513 * loop.c (strength_reduce): When doing biv->giv conversion, update
14514 reg note of NEXT->insn.
14516 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
14518 * loop.c (move_movables): Note issues with replacing REGs with
14520 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
14522 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
14524 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
14526 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
14527 the reference to `mcount' was not correct for the ELF on FreeBSD.
14529 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14531 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
14534 (recombine_givs): Set ix field after sorting.
14536 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
14538 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
14539 to safe to extract a subword out of a REG.
14541 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14543 * sh.md (mulsi3): Don't add a no-op move at the end.
14545 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14547 * cse.c (cse_insn): Don't put hard register source into tables for
14548 the last insn of a libcall.
14550 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14552 * loop.c (strength_reduce): Insert sets of derived givs at every
14553 biv increment, even if it's the only one.
14555 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
14557 * dwarfout.c (add_incomplete_type): New fn.
14558 (output_type): Call it.
14559 (retry_incomplete_types): New fn.
14560 (dwarfout_finish): Call it.
14562 From Eric Raskin <ehr@listworks.com>:
14563 (output_type): Output types for bases.
14565 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
14567 * mips.c (mips_output_conditional_branch): Add `break'
14568 between `default' label and `close braces'.
14570 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
14572 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
14573 specifications and make it realistic.
14574 (LIB_SPEC): Likewise.
14576 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
14578 * config/mips/mips.c (mips_secondary_reload_class): Check for
14579 (PLUS (SP) (REG)) and return appropriate register class.
14580 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
14581 Handle (PLUS (SP) (REG)).
14582 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
14583 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
14584 of emit_insn for tablejump.
14586 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
14588 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
14589 asm_fprintf format string by itself.
14590 (output_function_profiler): Likewise.
14592 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
14594 * combine.c (simplify_logical, case AND): Only call
14595 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
14596 or the constant is positive.
14598 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
14600 * configure.in: Fix typo in rs6000-ibm-aix4 case.
14601 * configure: Regenerate.
14603 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
14605 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
14606 require a sub-version #.
14607 * configure: Rebuilt.
14609 1999-06-14 Robert Lipe (robertlipe@usa.net)
14611 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
14613 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
14615 * c-typeck.c (process_init_element): Detect excess elements in
14616 char array initializer.
14618 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
14620 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
14622 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
14624 * invoke.texi (Option Summary): Add -fpermissive flag.
14626 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
14628 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
14629 that require PIC code sequences.
14631 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
14633 * configure.in: Add new target: thumb-elf.
14634 * configure: Regenerate.
14635 * config/arm/t-thumb-elf: New file: Makefile fragment for
14637 * config/arm/telf.h: New file: Header file for thumb-elf
14640 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
14642 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
14643 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
14644 initializers is some circumstances.
14646 * fixinc/inclhack.def (endif_label): Add additional selector for
14647 more bogus stuff after #endif statements.
14648 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
14650 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
14652 * i386/cygwin.h (SET_ASM_OP): Define.
14654 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
14656 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
14658 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14660 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
14663 * sh.md (ic_invalidate_line_i): Remove second alternative.
14665 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
14667 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
14668 test for the presence of valid prototypes. Delete bypass expr.
14669 (ioctl_fix_ctrl): Correct the selection expression.
14670 (no_double_slash): Correct quoting rules
14671 *fixinc/fixincl.x: regen
14672 *fixinc/inclhack.sh: regen
14674 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
14676 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
14678 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
14680 * rs6000.md (movsi_got_internal_mem): Delete.
14681 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
14682 (GOT_TOC_REGNUM): Delete.
14683 (PIC_OFFSET_TABLE_REGNUM): Define.
14684 (FINALIZE_PIC): Disable.
14685 * rs6000.c (rs6000_got_register): New code for fixed pic register.
14686 (rs6000_replace_regno): Delete.
14687 (rs6000_finalize_pic): Likewise.
14688 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
14690 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14692 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
14693 is a note; use <= for the compare; advance P while it is
14696 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
14698 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
14699 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
14701 * varasm.c (remove_from_pending_weak_list): Verify t->name
14702 is non-NULL before passing it to strcmp.
14704 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
14706 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
14707 the typed arguments are not part of a comment
14708 (ioctl_fix_ctrl): Added a purpose comment
14709 *fixinc/fixincl.x: regenerate
14710 *fixinc/inclhack.sh: regenerate
14712 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14714 * invoke.texi: Add C4x invocation docs.
14716 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14718 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
14720 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
14722 (c4x_legitimize_reload_address): New function.
14723 * config/c4x/c4x.md: Update docs.
14725 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
14727 * fixincludes: Avoid removing '.'.
14728 * fixinc/fixinc.svr4: Likewise.
14729 * fixinc/fixinc.winnt: Likewise.
14730 * fixinc/inclhack.tpl: Likewise.
14731 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
14733 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14735 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
14737 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
14739 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
14741 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
14744 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
14746 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
14747 * configure: Regenerate.
14749 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
14751 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
14754 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
14756 * fixinc/inclhack.def (avoid_bool): Also catch
14757 "typedef [unsigned] int bool".
14758 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
14760 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
14761 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
14762 * configure: Rebuilt.
14764 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
14766 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
14767 such that we can override its definitions if necessary.
14768 (CPP_SPEC): New define. Support processor specific predefines via
14770 (CC1_SPEC): New define. Support processor specific compiler
14771 options via %(cc1_cpu).
14772 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
14775 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14777 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
14778 between sed's -e flag, and the open-quote following it.
14779 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
14781 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
14782 Jeffrey A Law (law@cygnus.com)
14784 * varasm.c (assemble_start_function): Remove the function
14785 from the pending weak decls list when we define a function.
14786 (assemble_variable): Similarly for variables.
14787 (weak_finish): Ignore items on the list with a NULL name.
14788 (remove_from_ending_weak_list); New function to "remove" an item
14789 from the pending weak declarations list.
14791 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
14793 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
14795 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
14797 * c-lex.c (GETC): Redefine to call getch.
14798 (UNGETC): Redefine to call put_back.
14799 (putback_buffer): New structure type.
14800 (putback): New static structure.
14801 (getch): New function.
14802 (put_back): New function.
14803 (yylex): Replace unused bytes from bad multibyte character.
14805 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
14807 * cpplib.c (do_define): Cast `alloca' return value.
14808 (do_include, do_undef, do_pragma): Likewise.
14809 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
14811 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
14812 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
14814 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
14816 * sparc.md (abstf2): This should be an expand.
14817 (split after abstf2_notv9): Fix mode.
14818 (abstf2_hq_v9): New pattern.
14819 (abstf2_v9): Only use when no hard quad.
14820 (absdf2_v9): Fix if target is not the same as source.
14821 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
14822 Add correct output constraints.
14824 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
14826 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
14827 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
14829 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
14831 * mips.h (mips_output_conditional_branch): New function.
14832 (mips_adjust_insn_length): Likewise.
14833 (ASSEMBLER_SCRATCH_REGNUM): New macro.
14834 (ADJUST_INSN_LENGTH): Likewise.
14835 * mips.c (print_operand): Add `F' and `W' for floating-point
14836 comparison opcodes.
14837 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
14839 (mips_adjust_insn_length): New function.
14840 (mips_output_conditional_branch): New function.
14841 * mips.md (length): Adjust attribute definition to handle
14842 conditional branches. Change lengths to bytes, rather than
14843 instructions throughout. Remove length attribute from
14844 instructions whose length is four bytes, and rely on the default
14846 (dslot): Fix typo in comment.
14847 Reword conditional branch patterns to use
14848 mips_output_conditional_branch.
14850 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14852 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
14853 (LIB_SPEC): Likewise.
14854 Link with -lprof1_r for -g/-pg.
14856 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
14858 * loop.c (check_dbra_loop): Fix change of Jan 19.
14860 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
14862 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
14863 (STARTFILE_SPEC): Define, override the svr4.h version.
14864 (ENDFILE_SPEC): Likewise.
14866 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
14868 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
14869 * fixinc/fixincl.x: Regenerated.
14870 * fixinc/inclhack.sh: Regenerated.
14872 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14874 * sh.c (barrier_align): Don't return early for normal branch/barrier
14875 when optimizing for SH2.
14877 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
14879 * i386/udk.h (LINK_SPEC): Correct linker search path for
14882 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14884 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
14885 (braf_label_ref_operand): Delete.
14886 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
14887 * sh.md (casesi_jump_2): Operand1 is now the inside of a
14888 label_ref, and has no predicate.
14889 The patten has a predicate to guard against invalid substitutions.
14890 (dummy_jump): Delete.
14891 (casesi): Update use of casesi_jump_2.
14893 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
14895 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
14896 *fixinc/fixincl.x: regenerate
14897 *fixinc/inclhack.sh: regenerate
14899 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
14901 * dwarf2out.c (add_incomplete_type): New fn.
14902 (gen_struct_or_union_type_die): Call it.
14903 (retry_incomplete_types): New fn.
14904 (dwarf2out_finish): Call it.
14906 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
14908 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
14909 current block starts with a CODE_LABEL and ends with a CALL and
14910 we can not find all the argument setup instructions for the CALL.
14912 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
14914 Revert this change:
14915 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
14916 something is a candidate for optimize_bit_field_compare.
14918 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14920 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
14922 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
14924 * alpha.c (override_options): Thinko in last patch.
14926 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
14927 (LIB_SPEC): Recognize -pthread.
14929 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
14931 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
14932 definition in config/arm/coff.h
14933 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
14935 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
14937 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
14938 fixes that need "file=xxx\n" prepended before invocation
14939 (start_fixer - new): starting the fixer process is complex enough
14940 to warrent its own routine. It prepends the "file=xxx\n" stuff.
14941 (process): uses the new routine; omit usage of putenv()
14942 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
14943 * fixinc/fixincl.x: regenerate
14945 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
14947 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
14948 and version #s (1.1 -> 2.96) as needed.
14949 * README.g77: Kill way out of date file in the toplevel directory.
14951 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
14953 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
14954 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
14955 * configure: Rebuilt.
14956 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
14957 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
14958 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
14959 (SWITCH_TAKES_ARG): Likewise.
14960 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
14961 * config/t-freebsd: Moved from config/i386/ so it can used for all
14964 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
14966 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
14968 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
14970 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
14971 * configure: Rebuilt.
14973 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
14975 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
14976 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
14977 * rs6000/rs6000.c (rs6000_file_start): Use putc.
14978 (rs6000_output_load_toc_table): Same.
14979 (output_prolog, output_mi_thunk): Same.
14980 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
14981 (ASM_GLOBALIZE_LABEL): Use putc.
14983 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
14985 * alpha.md (reload_*_help): New patterns and splitters.
14986 (reload_*): Use them.
14987 (mov[qh]i): Likewise.
14989 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
14991 * cccp.c (handle_directive): Handle backslash-newlines in quoted
14994 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
14996 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
14998 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
15000 * flow.c (mark_regs_live_at_end, insn_dead_p,
15001 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
15002 and HARD_FRAME_POINTER_REGNUM special treatment if reload
15003 hasn't run or the frame pointer is needed.
15004 * haifa-sched.c (attach_deaths): Likewise.
15005 * sched.c (attach_deaths): Likewise.
15007 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
15009 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
15010 calculate_can_reach_end returns nonzero.
15012 * configure.in (native gas tests): Search for an assembler in the
15013 same manner that the installed compiler will.
15014 * configure: Rebuilt.
15015 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
15017 * alias.c (find_base_term): Improve handling of addresses
15018 constructed from binary operations.
15020 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
15022 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
15024 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
15026 * function.h (cleanup_label, frame_offset): Declare.
15027 (tail_recursion_label, tail_recursion_reentry): Likewise.
15028 (arg_pointer_save_area, rtl_expr_chain): Likewise.
15029 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
15030 (tail_recursion_label, tail_recursion_reentry): Likewise.
15031 (arg_pointer_save_area, rtl_expr_chain): Likewise.
15033 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
15035 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
15037 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
15038 (MAX_OFILE_ALIGNMENT): Define.
15040 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
15042 * fixincl.c: Replace local include scheme with #includes of
15043 gansidecl.h and system.h.
15044 * procopen.c: Likewise.
15045 * server.c: Likewise.
15047 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
15049 * i386/t-dgux (EXTRA_PARTS): Add crti.o
15050 (crti.o): Add build rule and dependencies.
15051 * fixinc/fixinc.dgux: Use modified _int_varargs.h
15053 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15055 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
15056 (LIB_LINUX_SPEC): Likewise.
15057 (LIB_LINUX_SPEC): Add support for -pthread
15058 (CPP_OS_LINUX_SPEC): Likewise.
15059 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
15062 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
15064 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
15066 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
15067 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
15068 for IEEE math and CC_FCOMI.
15069 (put_jump_code): No IEEE if CC_FCOMI is set.
15071 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
15073 * fold-const.c (fold_truthop): Make the field reference unsigned
15074 when converting a single bit compare.
15076 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15078 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
15080 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
15082 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
15083 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
15086 * reload.c (push_reload): Do not call remove_address_replacements
15087 when presented with identical optional reloads.
15089 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
15091 * alpha.h (MASK_FIX, TARGET_FIX): New.
15092 (MASK_*): Reorganize constants.
15093 (CPP_AM_FIX_SPEC): New.
15094 (TARGET_SWITCHES): Add FIX.
15095 (EXTRA_SPECS): Likewise.
15096 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
15097 (SECONDARY_MEMORY_NEEDED): Likewise.
15098 (REGISTER_MOVE_COST): Likewise.
15099 * alpha.c (override_options): Add FIX support. Always use
15100 ALPHA_TP_PROG for ev6.
15101 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
15102 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
15103 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
15105 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
15107 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
15108 something is a candidate for optimize_bit_field_compare.
15110 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
15112 * gcc.texi (Passes): Document branch-shortening.
15113 * invoke.texi (Debugging Options): Document the fact that `-dp'
15114 outputs length information for instructions.
15116 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
15118 * flow.c: Revert previous delta.
15120 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
15122 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
15123 FRAME_POINTER_REGNUM.
15124 (mark_set_1): Ditto.
15125 (mark_used_regs): Ditto.
15127 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
15129 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
15130 (GOT_PCREL): New macro. Define to 1 if not already defined.
15131 * arm/elf.h (GOT_PCREL): Define to 0.
15132 * arm.c (arm_finalize_pic): Take into account the setting of
15135 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
15137 * output.h (STRIP_NAME_ENCODING): Provide default definition.
15138 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
15140 * flow.c (mark_set_1): Do not record BLKmode stores as dead
15141 store elimination candidates.
15143 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
15145 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
15148 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
15150 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
15151 Add use of x-aix41-gld.
15153 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
15155 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
15156 (ASM_OUTPUT_DESTRUCTOR): Define.
15158 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
15160 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
15161 last CODE_LABEL in a loop if we have previously passed a jump
15162 to the top of the loop.
15164 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
15166 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
15167 applying Philip's patch.
15169 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
15171 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
15174 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
15176 * loop.c (strength_reduce): Grow reg_single_usage as needed.
15178 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
15180 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
15181 Also remove a useless comment.
15183 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
15185 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
15187 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
15189 * collect2.c (main): Only generate import or export file and add
15190 to link arguments if non-empty. Use xmalloc not alloca.
15191 (write_{export,import}_file): Delete.
15192 (write_aix_file): New function.
15193 (locatelib): Use xmalloc not malloc.
15194 (GCC_OK_SYMBOL): Do not check type if aix64.
15196 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
15198 Based on patch by Scott Bambrough and Pat Beirne:
15199 * config/arm/arm.c (making_const_table): New variable.
15200 * config/arm/arm.h (making_const_table): Declare.
15201 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
15203 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
15204 Keep track of when we are building the constant table.
15206 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
15208 * config/arm/arm.c (arm_override_options): Fix erroneous warning
15211 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
15213 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
15216 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
15218 * tm.texi (FUNCTION_ARG): Correct description of a stack element
15221 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
15223 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
15225 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15227 * rs6000.c (output_mi_thunk): Enable full support again.
15229 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15231 * sh.h (BRANCH_COST): Define.
15233 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
15235 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
15237 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
15239 * function.c (assign_stack_local): Align stack slot propertly.
15240 (assign_outer_stack_local): Likewise.
15242 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
15244 * expr.h (lang_expand_constant): Declare.
15245 * toplev.c (lang_expand_constant): Define it.
15246 * varasm.c (output_constant): Use it.
15248 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15250 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
15251 Change function definitions to K&R style.
15253 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
15255 * fixinc/fixincl.c: We must not ignore SIGCLD now.
15257 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
15259 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
15260 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
15261 (several places): omit static initialization
15262 (process): use single fd, since only the read fd is used
15263 * fixinc/gnu-regex.c: define 'const' away, if not supported
15264 * fixinc/procopen.c(several places): omit static initialization
15265 * fixinc/server.c: define 'volitile' away, if not supported
15267 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
15269 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
15270 asm_fprintf and %L to generate the label name.
15271 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
15272 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
15274 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
15276 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
15277 insn for a conditional jump can not be found.
15279 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
15281 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
15282 on variables in specific sections other than .sbss and .sdata.
15284 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
15286 * stmt.c (expand_return): Call start_cleanup_deferral and
15287 end_cleanup_deferral around conditional code.
15289 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
15291 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
15292 filename lists. Utilizes new "krstr" AutoGen function.
15293 * fixinc/fixincl.x: Rebuilt.
15295 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
15297 * i386.c (output_float_compare): Avoid GNU-C extensions.
15299 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
15301 * version.c: Bump to distinguish mainline tree from the
15304 See ChangeLog.1 for earlier changes.