1 2000-06-30 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3 * pa/som.h (ASM_WEAKEN_LABEL): Export weak data symbols so that they
6 2000-06-30 Martin von Loewis <loewis@informatik.hu-berlin.de>
8 * invoke.texi (-Wreturn-type): In C++, a missing return type is
11 2000-06-30 Catherine Moore <clm@cygnus.com>
13 * c-common.c (decl_attributes): Differentiate between
14 types and type decls for alignment.
16 2000-06-30 Nathan Sidwell <nathan@codesourcery.com>
18 * cpp.texi: Document #pragma GCC dependency
19 * cppfiles.c (open_include_file): Set date to unknown.
20 (_cpp_compare_file_date): New function.
21 (read_include_file): Set file date.
22 * cpphash.h (struct include_file): Add date member.
23 (_cpp_compare_file_date): Prototype.
24 * cpplib.c (parse_include): Add trail parameter. Adjust.
25 (do_include): Adjust parse_include call.
26 (do_import): Likewise.
27 (do_include_next): Likewise.
28 (gcc_pragmas): Add dependency pragma.
29 (do_pragma_dependancy): New pragma.
31 2000-06-29 Jason Merrill <jason@redhat.com>
33 * dwarf2out.c (output_loc_operands): Don't abort on codes that have
36 2000-06-29 Jim Wilson <wilson@cygnus.com>
38 * config/ia64/ia64.h (PREFERRED_RELOAD_CLASS): Return NO_REGS for
39 a volatile mem and FR_REGS.
41 2000-06-29 Mark Mitchell <mark@codesourcery.com>
43 * c-common.c: Include c-common.h, not c-lex.h or c-tree.h.
44 * c-common.h (flag_const_strings): Declare.
45 (warn_format): Likewise.
46 (flag_traditional): Likewise.
47 (flag_isoc99): Likewise.
48 (warn_parentheses): Likewise.
49 (warn_conversion): Likewise.
50 (C_TYPE_OBJECT_P): Likewise.
51 (C_TYPE_INCOMPLETE_P): Likewise.
52 (C_TYPE_FUNCTION_P): Likewise.
53 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
54 (C_EXP_ORIGINAL_CODE): Likewise.
55 (build_unary_op): Likewise.
56 (build_binary_op): Likewise.
58 (default_conversion): Likewise.
59 (common_type): Likewise.
60 * c-tree.h (C_TYPE_OBJECT_P): Remove.
61 (C_TYPE_INCOMPLETE_P): Likewise.
62 (C_TYPE_FUNCTION_P): Likewise.
63 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
64 (C_EXP_ORIGINAL_CODE): Likewise.
65 (common_type): Likewise.
66 (default_conversion): Likewise.
67 (build_binary_op): Likewise.
68 (build_unary_op): Likewise.
70 (flag_const_strings): Likewise.
71 (warn_format): Likewise.
72 (warn_conversion): Likewise.
73 (flag_traditional): Likewise.
74 (flag_isoc99): Likewise.
75 (warn_parentheses): Likewise.
77 2000-06-29 James E. Wilson <wilson@cygnus.com>
79 * config/ia64/linux.h (LINK_SPEC): Change so.1 to so.2.
81 * config/ia64/ia64.h (MODES_TIEABLE_P): Only tie if mode class is the
82 same. Only tie XFmode with XFmode.
84 2000-06-29 Zack Weinberg <zack@wolery.cumb.org>
86 * c-decl.c, timevar.c, tlink.c: Include intl.h.
87 * Makefile.in: Update deps.
89 2000-06-29 Andrew Haley <aph@cygnus.com>
91 * toplev.c (main): On an IA-64, make flag_unwind_tables defauit
94 2000-06-29 Andrew Haley <aph@cygnus.com>
96 * config/ia64/linux.h (JMP_BUF_SIZE): Size is in Pmode units, not
97 bytes: remove the multiply by 8.
99 2000-06-29 Philipp Thomas <pthomas@suse.de>
101 * rtl.c : Revert NLS changes.
102 * gcc.c : Fix bug in display_help introced by my last changes.
104 Wed Jun 28 21:09:33 2000 Raja R Harinath <harinath@cs.umn.edu>
106 * dbxout.c (dbxout_symbol, case RESULT_DECL, VAR_DECL): Use
107 DECL_CONTEXT, not DECL_FIELD_CONTEXT.
109 2000-06-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
111 * flow.c (flow_depth_first_order_compute): Fix algorithm.
113 2000-06-28 Philipp Thomas <pthomas@suse.de>
115 * c-decl.c : Mark strings for translation.
116 (parmlist_tags_warning): Use distinct messages instead
117 of conditional expressions.
118 * diagnostic.c (v_message_with_decl): Mark string for translation.
119 * gcc.c: Mark messages for translation.
120 (display_help): Combine messages into one string where necessary.
121 * mips-tfile: Add intl.h. Mark messages for translation.
122 * rtl.c (fatal_with_file_and_line): Modify function for NLS. Mark
123 messages for translation.
124 * timevar.c: Mark messages for translation.
126 * toplev.c: Likewise.
128 Wed Jun 28 15:39:26 2000 Donn Terry (donnte@microsoft.com)
130 * i386-interix.h (STRIP_NAME_ENCODING): Declare _new_name properly.
132 * alpha/alpha-interix.h: Delete redundant -Asystem(interix),
133 use -isystem instead of -idirafter.
134 * i386/i386-interix.h: Likewise.
136 2000-06-28 Jason Merrill <jason@redhat.com>
138 * dwarf2out.c (output_loc_operands): Don't support >1 byte output
139 unless DWARF2_DEBUGGING_INFO is defined.
140 (ASM_OUTPUT_DWARF_*): Wrap normal output defs with #ifndefs.
142 2000-06-28 Richard Henderson <rth@cygnus.com>
144 * config/alpha/alpha.c (summarize_insn): Ignore SCRATCH.
146 2000-06-28 Jakub Jelinek <jakub@redhat.com>
148 * cpplex.c (output_line_command): Output correct #line if a header
149 is including itself and is not protected against multiple inclusion.
151 2000-06-28 Zack Weinberg <zack@wolery.cumb.org>
153 * cppfiles.c (open_include_file): If open(2) returns EMFILE or
154 ENFILE, close all cached file descriptors and try again.
155 (_cpp_execute_include): Keep a count of the number of times
156 each header is included.
157 (close_cached_fd): New function.
158 * cpphash.h (struct include_file): Rename before to
159 include_count; all users updated. Make include_count and sysp
161 * cppinit.c (cpp_finish): If -H, report headers that could use
163 (report_missing_guard): New function.
165 Wed Jun 28 14:46:58 MET DST 2000 Jan Hubicka <jh@suse.cz>
167 * i386.md (prologue_set_got): Set length_immediate field.
168 (testqi_ccno_1): Add missing '@' character.
170 2000-06-27 Jason Merrill <jason@redhat.com>
172 * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Use
175 2000-06-27 Andrew Macleod <amacleod@cygnus.com>
177 * dwarf2out.c (ASM_OUTPUT_DWARF_DATA2): Provide default when no
178 unsigned macros available.
180 2000-06-27 Richard Henderson <rth@cygnus.com>
182 * config/ia64/ia64.c (emit_insn_group_barriers): Special case
183 epilogue_deallocate_stack.
185 * config/ia64/ia64.c (ia64_print_operand) [case D]: Emit
186 completers for UNORDERED and ORDERED as well.
187 * config/ia64/ia64.md (bunordered, bordered): New.
188 (sunordered, sordered): New.
190 Tue Jun 27 12:14:12 MET DST 2000 Jan Hubicka <jh@suse.cz>
192 * genattrtab.c (write_attr_value): Do not abort for CONST_INT operands.
193 * i386.c (ix86_attr_length_default): Kill.
194 (ix86_attr_length_immediate_default, ix86_attr_length_address_default):
196 * i386-protos.h (ix86_attr_length_default): Kill
197 (ix86_attr_length_immediate_default, ix86_attr_length_address_default):
199 * i386.md (attribute type): Add "test".
200 (attribute length_prefix): Kill.
201 (attribute length_opcode): Kill.
202 (attribute i387, mode, length_immediate, length_address, prefix_data16,
203 prefix_rep, prefix_0f, modrm): New.
204 (attribute length): Compute using the new attributes.
205 (attribute pent_prefix): New.
206 (attribute pent_pair): Compute using pent_prefix.
207 (all insn patterns): Set mode,modrm and immediate_length attributes where
209 (cmpsi patterns): Compute sizes propertly for test instruction.
210 (movsi, movhi patterns): Compute sizes propertly for eax shortcuts.
211 (movstricthi_xor, movstrictqi_xor): New patterns.
212 (andsi/andhi): Use splitters to generate xor instructions.
213 (xorqi_ext_1): New pattern.
214 (movstricthi->movstricthi_xor peep2): New.
216 Tue Jun 27 12:03:03 MET DST 2000 Jan Hubicka <jh@suse.cz>
218 * i386.md (addqi_low_1): Remove.
220 2000-06-27 Philipp Thomas <pthomas@suse.de>
222 * 1750a.h: Mark help strings for options/switches for translation.
227 * riscix.h: Likewise.
229 * clipper.h: Likewise.
230 * convex.h: Likewise.
236 * cygwin.h: Likewise.
240 * osf1elf.h: Likewise.
241 * osfrose.h: Likewise.
245 * paragon.h: Likewise.
251 * mn10300.h: Likewise.
259 * rs6000.h: Likewise.
262 * linux64.h: Likewise.
263 * sp64-elf.h: Likewise.
267 * convex.h (TARGET_SWITCHES): Provide descriptions and mark them
269 * sp86x-aout.h: Remove bogus first definition of SUBTARGET_SWITCHES.
270 Properly document option and mark for translation.
271 * sp86x-elf.h: Likewise.
273 2000-06-27 Bernd Schmidt <bernds@cygnus.co.uk>
275 Add MMX and SSE registers to i386 machine description.
276 * i386-protos.h (ix86_constant_alignment, ix86_data_alignment,
277 ix86_local_alignment): Declare.
279 * i386.h (TARGET_MMX, TARGET_SSE): New.
280 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
281 REG_ALLOC_ORDER, HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
282 REG_CLASS_NAMES, REG_CLASS_CONTENTS,REG_CLASS_FROM_LETTER,
283 enum reg_class, HI_REGISTER_NAMES): Added MMX/SSE registers.
284 (FIRST_SSE_REG, LAST_SSE_REG, SSE_REGNO_P): New.
285 (FIRST_MMX_REG, LAST_MMX_REG, MMX_REGNO_P, MMX_REG_P): New macros.
286 (RETURN_IN_MEMORY): Handle MMX/SSE.
287 (REG_PARM_STACK_SPACE): Added so the first three TImode parameters
288 also get stack space.
289 (MUST_PASS_IN_STACK): Added TImode to the default definition.
290 (CUMULATIVE_ARGS): Added sse_nregs, sse_regno and sse_words.
291 (MMX_REGISTER_NAMES): New.
292 (ALIGN_MODE_128): New macro.
293 (CONSTANT_ALIGNMENT): Code moved out-of-line; just call the function.
294 (DATA_ALIGNMENT): Likewise.
295 (LOCAL_ALIGNMENT): Likewise.
296 (CONDITIONAL_REGISTER_USAGE): Make MMX/SSE regs fixed if not
297 TARGET_MMX/TARGET_SSE.
298 (VALID_SSE_REG_MODE, VALID_MMX_REG_MODE): New macros.
299 (REG_CLASS_FROM_LETTER): 'y' for MMX regs.
300 (SECONDARY_MEMORY_NEEDED): Be conservative about copying between
301 SSE/MMX regs and something else.
302 (CLASS_MAX_NREGS): 1 for SSE and MMX regs.
303 (REGISTER_MOVE_COST): 10 if trying to move between MMX and SSE regs,
304 3 if moving between MMX regs and something else.
306 * i386.c (reg_class): Add SSE_REGS, MMX_REGS.
307 (regclass_map): Add MMX/SSE registers.
308 (print_operand): Add code to print XMMWORD as appropriate.
309 (ix86_split_movdi): Abort for MMX regs.
310 (init_cumulative_args): Also allow SSE_REGS
311 (function_arg_advance, function_arg): Likewise
312 (print_reg): Support 'm'. Add case for TImode.
313 (override_options): TARGET_SSE implies TARGET_MMX.
314 (ix86_constant_alignment, ix86_data_alignment, ix86_local_alignment):
317 * config/i386/unix.h (VALUE_REGNO): VECTOR_MODE values go to
319 * config/i386/ptx4-i.h (RETURN_IN_MEMORY): Return MMX values in
321 * config/i386/sysv4.h (RETURN_IN_MEMORY): Likewise.
322 * config/i386/i386elf.h (RETURN_IN_MEMORY): Likewise.
324 2000-06-26 Geoff Keating <geoffk@cygnus.com>
326 * ssa.c (struct rename_set_data): Change the name of field
327 'set_dest' to 'old_reg'. Add comments.
328 (struct rename_context): Change the name of 'set_data' to
329 'new_renames'. Add new field 'done_renames'.
330 (create_delayed_rename): New function.
331 (apply_delayed_renames): New function.
332 (rename_insn_1): Use the new functions. Handle CLOBBERS. Handle
333 SUBREGs and similar by emitting a move.
334 (new_registers_for_updates): Delete, functionality moved to
335 apply_delayed_renames.
336 (rename_block): Handle moves emitted by rename_insn_1 by putting
337 them into a SEQUENCE with the original insn. Add sanity checks
339 (rename_equivalent_regs_in_insn): Don't handle SUBREGs specially.
340 (rename_equivalent_regs): Expand SEQUENCEs out to individual insns.
342 2000-06-26 Andrew Macleod <amacleod@cygnus.com>
343 Jason Merrill <jason@redhat.com>
345 * dwarf2.h (enum dwarf_call_frame_info): Add
346 DW_CFA_def_cfa_expression.
347 * dwarf2out.c (union dw_cfi_oprnd_struct): Add a pointer to a
348 dw_loc_descr_struct entry.
349 (struct cfa_loc): New structure to track a CFA location.
350 (lookup_cfa): Take a cfa_loc parameter instead of a reg and an offset.
351 (lookup_cfa_1): Take a cfa_loc parameter instead of a reg and an
352 offset, plus handle DW_CFA_def_cfa_expression.
353 (def_cfa_1): Use to be dwarf2out_def_cfa, only now it uses a
355 (dwarf2out_def_cfa): Entry point maintained for compatability.
356 (dwarf_cfi_name): Add DW_CFA_def_cfa_expression.
357 (cfa_reg, cfa_offset): Replace with cfa_loc record 'cfa'.
358 (cfa_store_reg, cfa_store_offset): Replace with cfa_loc 'cfa_store'.
359 (initial_return_save, dwarf2out_stack_adjust): Use cfa.reg, not
361 (dwarf2out_frame_debug_expr): Use new cfa_loc records. Recognize rtl
362 sequences for the new DW_CFA_def_cfa_expression record.
363 (dwarf2out_frame_debug): Use new variables/fields.A
364 (output_cfi): Handle DW_CFA_def_cfa_expression.
365 (output_cfa_loc): New function to generate a CFI record for
366 DW_CFA_def_cfa_expression.
367 (get_cfa_from_loc_descr): New function to get a cfa_loc record from
368 a dw_loc_descr sequeunce.
369 (build_loc_descr): Build a dw_loc_descr from a cfa_loc record.
370 (dwarf_stack_op_name, new_loc_descr, add_loc_descr, size_of_loc_descr,
371 size_of_locs, output_loc_operands, output_loc_sequence): Move into
373 * frame.h (frame_state): Add base_offset and indirect fields.
374 * frame-dwarf2.c (decode_stack_op): New function to interpret a
375 dw_loc_descr operation.
376 (execute_cfa_insn): Add support for DW_CFA_def_cfa_expression.
377 (struct frame_state): Add base offset and indirect fields.
378 * libgcc2.c (next_stack_level): Support indirect loading for CFA.
380 2000-06-26 Joseph S. Myers <jsm28@cam.ac.uk>
382 * c-decl.c (grokdeclarator): Don't warn about `long long' in C99.
383 Make warnings about implicit int be pedwarns in C99. Don't warn
384 about duplicate type qualifiers in C99.
385 (start_function): Make warning about implict int return type be a
387 * c-lex.c (yylex): Don't warn about `long long' in C99.
388 * c-typeck.c (c_expand_return): In C99, always pedwarn about
389 `return' with no value in function returning non-void.
391 2000-06-26 Richard Henderson <rth@cygnus.com>
393 * c-typeck.c (pedwarn_c99): New.
394 * diagnostic.c (verror, vwarning, vpedwarn): Export.
395 * toplev.h: Prototype them.
397 2000-06-26 J. David Anglin <dave@hiauly1.hia.nrc.ca>
399 * c-typeck.c (digest_init): Return error_mark_node node when
400 TREE_TYPE (init) == error_mark_node.
402 2000-06-26 Philipp Thomas <pthomas@suse.de>
404 * aclocal.m4 (AM_WITH_NLS): Don't set MSGFMT or GMSGFMT to no,
405 test for msgfmt without path instead.
406 * configure: Rebuilt.
408 2000-06-25 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
410 * gengenrtl.c (special_rtx): Fix typo in comment.
412 2000-06-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
414 * mklibgcc.in (LIB2FUNCS): Add missing space.
416 2000-06-24 Bernd Schmidt <bernds@cygnus.co.uk>
418 * tree.h (enum tree_index): Add vector type nodes.
419 Add accessor macros for them.
420 (TYPE_REPRESENATION_TYPE): New macro.
421 * tree.c (build_common_tree_nodes_2): Build these nodes.
422 (finish_vector_type): New function.
423 * c-common.c (type_for_mode): Handle vector modes.
424 * tm.texi (VECTOR_MODE_SUPPORTED_P): Document.
426 * dbxout.c (dbxout_type): Handle VECTOR_TYPEs.
427 * dwarf.h (enum dwarf_fundamental_type): Add 128 bit integers.
428 * dwarf2out.c (lookup_type_die): Handle VECTOR_TYPEs.
429 (gen_type_die): Likewise.
430 * dwarfout.c (dwarf_fund_type_name): Handle 128 bit integers.
431 (fundamental_type_code): Likewise.
432 (type_is_fundamental): VECTOR_TYPEs aren't.
433 (output_type): Handle VECTOR_TYPEs.
435 2000-06-25 Kazu Hirata <kazu@hxi.com>
437 * config/arm.c: Fix a comment typo.
438 * config/arm.h: Likewise.
440 2000-06-25 Philipp Thomas <pthomas@suse.de>
442 * aclocal.m4 (AM_WITH_NLS): Set create_catalogs=no if no catalog
444 AM_GNU_GETTEXT: Don't set CATALOGS if create_catalogs=no.
445 * configure: Rebuilt.
447 2000-06-25 John David Anglin <dave.anglin@nrc.ca>
449 * config/vax/vax.h (TARGET_SWITCHES): Provide descriptions.
451 2000-06-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
453 * mklibgcc.in: Prefer LIB1ASMFUNCS over LIB2FUNCS when generating
456 2000-06-24 Marc Espie <espie@cvs.openbsd.org>
458 * collect2.c (resolve_lib_name): Move '/' check out of loop.
460 2000-06-24 Dirk Duellmann <Dirk.Duellmann@cern.ch>
462 * ginclude/stddef.h (NULL): define for non-gnu C++ parsers as 0.
464 2000-06-24 Jakub Jelinek <jakub@redhat.com>
466 * stmt.c (expand_decl_cleanup): Emit a dummy insn after
467 last_unconditional_cleanup.
469 2000-06-24 Bernd Schmidt <bernds@cygnus.co.uk>
471 * tree.def (VECTOR_TYPE): New node type.
472 * tree.h: Adjust some comments to reflect addition of vector types.
473 (TYPE_VECTOR_SUBPARTS): New macro.
474 * stor-layout.c (layout_type): Handle VECTOR_TYPE.
475 * c-convert.c (convert): Likewise.
476 * convert.c (convert_to_integer): Handle vector modes.
477 (convert_to_vector): New function.
478 * convert.h (convert_to_vector): Declare.
479 * expr.c (convert_move): Handle vector modes.
480 * expmed.c (extract_bit_field): Don't abort for vector modes.
482 2000-06-24 Marek Michalkiewicz <marekm@linux.org.pl>
484 * config/avr/avr-protos.h (avr_hard_regno_mode_ok): New prototype.
485 * config/avr/avr.c (out_adj_frame_ptr, out_set_stack_ptr):
486 New functions, common code moved from function_{prologue,epilogue}
487 and extended to support the -mtiny-stack option.
488 (function_prologue, function_epilogue): Use them.
489 Use lo8/hi8 consistently for asm output readability.
490 (avr_hard_regno_mode_ok): New function.
491 * config/avr/avr.h (TARGET_SWITCHES): Fix typo. Add -mtiny-stack.
492 (UNITS_PER_WORD): Define as 4 (not 1) when compiling libgcc2.c.
493 (HARD_REGNO_MODE_OK): Call the avr_hard_regno_mode_ok function.
494 * config/avr/avr.md (*mov_sp_r): Add support for -mtiny-stack.
495 Write SPH before SPL.
496 (*movqi): No need to disable interrupts for just one "out"
497 in alternative 5. Change length attribute from 4 to 1.
498 * config/avr/libgcc.S (__prologue_saves__, __epilogue_restores__):
499 Write SPH before SPL.
501 2000-06-24 Bernd Schmidt <bernds@cygnus.co.uk>
503 * rtl.texi (Vector Operations): New node.
504 (Arithmetic): Add ss_plus, us_plus, ss_minus, us_minus.
505 (Conversions): Add ss_truncate, us_truncate.
506 * rtl.def (VEC_MERGE, VEC_SELECT, VEC_CONCAT, VEC_REORDER,
507 VEC_CONST, VEC_DUPLICATE, SS_PLUS, SS_MINUS, SS_TRUNCATE,
508 US_TRUNCATE): New rtx codes.
509 * machmode.def: Add vector modes.
510 * machmode.h (enum mode_class): Add MODE_VECTOR_INT and
512 (INTEGER_MODE_P): Check for MODE_VECTOR_INT.
513 (FLOAT_MODE_P): Check for MODE_VECTOR_FLOAT.
514 (VECTOR_MODE_P): New.
516 2000-06-24 Nathan Sidwell <nathan@codesourcery.com>
518 * cpp.texi: Clarify #pragma GCC namespace.
520 2000-06-24 Philipp Thomas <pthomas@suse.de>
522 * aclocal.m4(AM_GNU_GETTEXT): If LINGUAS isn't set, build
523 all catalogs specified in ALL_LINGUAS.
524 * configure: Rebuilt.
526 2000-06-23 Jakub Jelinek <jakub@redhat.com>
528 * config/sparc/sparc.md (reload_outdi+1): Handle
529 HOST_BITS_PER_WIDE_INT == 64 case correctly.
530 (adddi3_insn_sp32+1, adddi3_insn_sp32+2, andsi3+2): Likewise.
532 2000-06-23 Geoffrey Keating <geoffk@cygnus.com>
534 * alias.c (fixed_scalar_and_varying_struct_p): Don't examine
535 struct vs. scalar-ness when -fno-strict-aliasing.
537 2000-06-23 Nathan Sidwell <nathan@codesourcery.com>
539 * cpplib.c (struct pragma_entry): New structure.
540 (pragma_dispatch): Pragma dispatcher.
541 (top_pragmas, gcc_pragmas): New static variables.
542 (do_pragma): Use pragma_dispatch.
543 (do_pragma_gcc): New pragma handler.
546 2000-06-23 Jakub Jelinek <jakub@redhat.com>
548 * calls.c (compute_argument_addresses): Force stack slots into
550 * expr.c (emit_push_insn): Force pushes into alias set 0.
552 2000-06-23 Richard Henderson <rth@cygnus.com>
554 * config/ia64/ia64.md (pred_rel_mutex): Only take one register.
555 * config/ia64/ia64.c (emit_predicate_relation_info): Adjust to match.
557 2000-06-22 Jason Merrill <jason@redhat.com>
559 * toplev.c (compile_file): Always call timevar_print.
560 * Makefile.in (calls.o): Depend on TIMEVAR_H.
562 2000-06-22 Nathan Sidwell <nathan@codesourcery.com>
564 * varasm.c (constant_descriptor): Make contents unsigned char.
565 (mark_const_hash_entry): Adjust.
566 (const_hash): Just hash the code of unknown nodes.
567 (compare_constant_1): Adjust for unsigned char.
568 Use language specific expander on unknown nodes.
569 (record_constant_1): Likewise.
571 2000-06-21 Zack Weinberg <zack@wolery.cumb.org>
573 * cppfiles.c (cpp_make_system_header): New function.
574 * cpplib.h: Prototype it.
575 * cpplib.c (do_line, do_pragma_system_header): Use it.
576 * fix-header.c (read_scan_file): Use it.
578 * fix-header.c (check_macro_names): Cast second arg of
579 cpp_defined to const unsigned char *.
580 (read_scan_file): Make getchar_call const unsigned char.
582 2000-06-21 Zack Weinberg <zack@wolery.cumb.org>
584 * cppfiles.c: Include splay-tree.h, not hashtab.h.
585 (redundant_include_p, make_IHASH, hash_IHASH, eq_IHASH): Delete.
586 (destroy_include_file_node): New.
587 (_cpp_init_include_hash): Rename _cpp_init_include_table.
588 Create a splay tree, not a hash table.
589 (open_include_file): Look up the path in the include table,
590 do the multiple include optimization here, etc.
591 (cpp_included): Walk the path.
592 (find_include_file): Just walk the path calling
593 open_include_file, or call it directly for an absolute path.
594 (_cpp_fake_ihash): Rename _cpp_fake_include and update for new
596 (read_include_file): Update for new scheme. Don't close the
597 file unless reading fails.
598 (_cpp_execute_include, cpp_read_file): Tweak for new scheme.
600 * cpphash.h (struct ihash, NEVER_REINCLUDE): Delete.
601 (struct include_file): New.
602 (NEVER_REREAD, DO_NOT_REREAD, CPP_IN_SYSTEM_HEADER): New
604 (CPP_PEDANTIC, CPP_WTRADITIONAL): Update.
607 * cppinit.c: Include splay-tree.h.
608 (cpp_reader_init, cpp_cleanup): Update.
610 * cpplib.h (struct cpp_buffer): Change ihash field to
611 'struct include_file *inc'. Remove system_header_p.
612 (struct cpp_reader): Change all_include_files to a
613 struct splay_tree_s *.
615 * cpplex.c: Update all references to cpp_buffer->ihash and/or
616 cpp_buffer->system_header_p.
617 (cpp_pop_buffer): Close file here, only if DO_NOT_REREAD.
619 * Makefile.in (SPLAY_TREE_H): New macro.
620 (cppfiles.o, cppinit.o): Update dependencies.
622 Wed Jun 21 11:05:48 2000 Martin Buchholz <martin@xemacs.org>
624 * invoke.texi (g++): "g++" is not a script anymore.
626 2000-06-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
628 * function.c (round_down): Delete obsolete prototype.
630 * pa.h (CPP_SPEC): Add whitespace after -D__STDC_EXT__.
632 2000-06-20 Zack Weinberg <zack@wolery.cumb.org>
634 * configure.in: Use 'test a = b' not 'test a == b'.
637 * Makefile.in (fix-header): Link with $(LIBS) not $(HOST_LIBS).
639 * Makefile.in: Remove all references to HOST_INTLLIBS.
641 * cpplex.c (parse_name): Don't warn about $ in identifiers if
644 2000-06-20 Philipp Thomas <pthomas@suse.de>
646 * config/pa/pa.h(TARGET_SWITCHES): Require binutils 2.10 or later
649 Mon Jun 19 23:26:40 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
651 * Take REG_INC notes into account.
653 2000-06-19 Zack Weinberg <zack@wolery.cumb.org>
655 * c-parse.in (undeclared_variable_notice): Moved to c-typeck.c.
656 (primary: IDENTIFIER): Just call build_external_ref.
657 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
659 * c-lex.c (lastiddecl): Remove.
660 (yylex): Replace all instances of lastiddecl with local
663 * c-typeck.c (build_external_ref): New function. Treat decls
664 with C_DECL_ANTICIPATED mostly the same as nonexistent decls.
665 Look up the decl from the id here. Call lookup_objc_ivar.
666 * c-lang.c (lookup_objc_ivar): Stub.
667 * objc/objc-act.c (lookup_objc_ivar): New function.
669 * c-tree.h: Prototype lookup_objc_ivar and build_external_ref.
670 * c-lex.h: Don't declare lastiddecl.
672 2000-06-19 Benjamin Chelf <chelf@codesourcery.com>
674 * c-common.h (IF_COND): Added documentation.
675 (THEN_CLAUSE): Likewise.
676 (ELSE_CLAUSE): Likewise.
677 (WHILE_COND): Likewise.
678 (WHILE_BODY): Likewise.
681 (RETURN_EXPR): Likewise.
682 (EXPR_STMT_EXPR): Likewise.
683 (FOR_INIT_STMT): Likewise.
684 (FOR_COND): Likewise.
685 (FOR_EXPR): Likewise.
686 (FOR_BODY): Likewise.
687 (SWITCH_COND): Likewise.
688 (SWITCH_BODY): Likewise.
689 (CASE_LOW): Likewise.
690 (CASE_HIGH): Likewise.
691 (GOTO_DESTINATION): Likewise.
692 (COMPOUND_BODY): Likewise.
693 (ASM_CV_QUAL): Likewise.
694 (ASM_STRING): Likewise.
695 (ASM_OUTPUTS): Likewise.
696 (ASM_INPUTS): Likewise.
697 (ASM_CLOBBERS): Likewise.
698 (DECL_STMT_DECL): Likewise.
699 (STMT_EXPR_STMT): Likewise.
700 (LABEL_STMT_LABEL): Likewise.
702 * c-common.def: Added documenetion for SRCLOC, EXPR_STMT,
703 COMPOUND_STMT, DECL_STMT, IF_STMT, FOR_STMT, WHILE_STMT, DO_STMT,
704 RETURN_STMT, BREAK_STMT, CONTINUE_STMT, SWITCH_STMT, GOTO_STMT,
705 LABEL_STMT, ASM_STMT, SCOPE_STMT, CASE_LABEL, STMT_EXPR.
707 2000-06-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
709 * configure.in (--enable-checking): Update --help doc to reflect
710 new defaults. Ensure $ac_save_IFS is set before $IFS is changed.
712 Sun Jun 18 21:42:15 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
714 * gcse.c (insert_insn_end_bb): Always put after NOTE_INSN_BASIC_BLOCK.
716 * function.c (put_var_into_stack): Don't reference DECL_ fields
717 if input is a SAVE_EXPR.
718 Use set_mem_attributes in COMPLEX case.
720 2000-06-18 Richard Henderson <rth@cygnus.com>
722 * config/ia64/ia64-protos.h (process_for_unwind_directive): Declare.
723 (ia64_file_start): Declare.
724 * config/ia64/ia64.h (ADDL_REGNO_P): Don't compare unsigned against 0.
725 (GR_REGNO_P): Likewise.
726 * config/ia64/ia64.c: Many prototypes.
727 (ia64_reg_numbers): Constify.
728 (ia64_input_reg_names, ia64_local_reg_names): Likewise.
729 (ia64_section_threshold): Make unsigned.
730 (ia64_print_operand): Constify.
731 (fix_range): Constify.
732 (ia64_init_builtins): Don't compare signed vs unsigned.
733 (ia64_expand_builtin): Likewise.
735 * config/ia64/ia64.h (EXTRA_CONSTRAINT): New.
736 (CONSTRAINT_OK_FOR_Q): New.
737 * config/ia64/ia64.md (movdi_internal): Use Q for fp<->mem.
738 (movsf_internal, movdf_internal): Likewise.
739 (cmovdi_internal): Rewrite so that constraints and predicates match;
741 (cmovsi_internal): Likewise.
743 * config/ia64/ia64.h (ASM_SPEC): Add -x for gas.
744 (ASM_FILE_START): New.
745 * config/ia64/ia64.c (ia64_file_start): New.
746 (rtx_needs_barrier): Handle pred.rel.mutex.
747 (emit_predicate_relation_info): New.
748 * config/ia64/ia64.md (pred_rel_mutex): New.
749 * config/ia64/linux.h (ASM_SPEC): Define.
750 * config/ia64/sysv4.h (ASM_FILE_START): Define.
752 * config/ia64/ia64.c (ia64_encode_section_info): Fix thinko
753 filtering global register variables.
755 2000-06-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
757 * c-common.c (add_c_tree_codes): Fix definition for traditional C.
759 2000-06-17 Michael Meissner <meissner@redhat.com>
761 * gcc.c (do_spec_1, '%v3' case): Do not abort if patch level is
762 not present and there is a field after a '-'.
764 2000-06-17 Bruce Korb <bkorb@gnu.org>
766 * fixinc/check.tpl: finish the implementation of multiple tests
768 * fixinc/inclhack.def(ctrl_quotes_def): add a second test
769 (io_quotes_def): add a second test
770 (various): reorder `files' so that "limits.h" is never first
771 * fixinc/tests/base/*: update the testing output
773 Sat Jun 17 10:33:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
775 * gcc.texi: Remove reference to stupid.c.
777 2000-06-16 Benjamin Chelf <chelf@codesourcery.com>
779 * c-common.c (c_tree_code_type): New array.
780 (c_tree_code_length): Likewise.
781 (c_tree_code_name): Likewise.
782 (add_c_tree_codes): New function.
784 * c-common.h (add_c_tree_codes): Declare.
785 (enum c_tree_code): New enum.
787 * c-lex.c (init_parse): Added call to add_c_tree_codes.
789 2000-06-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
791 * fixinc/inclhack.def (ctrl_quotes_def, io_quotes_def): Modify
792 select pattern to also match macro defs with only one argument.
794 Thu Jun 15 18:56:12 2000 Jeffrey A Law (law@cygnus.com)
796 * i386.md: Create new [right,left] rotate and right shift
797 patterns to optimize shift by 1 bit for certain ia32 processors.
798 Update patterns which perform left shifts to optimize shift by
799 1 bit for certain ia32 processors.
800 * i386.c (const_int_1_operand): New predicate.
801 * i386.h (PREDICATE_CODES): Handle const_int_1_operand.
802 * i386-protos.h (const_int_1_operand): Prototype.
804 Wed Jun 14 23:46:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
806 * mips.c (machine_dependent_reorg): Fix braces for nested if.
808 2000-06-14 Geoff Keating <geoffk@cygnus.com>
810 * rs6000.c (toc_hash_eq): Use CODE_LABEL_NUMBER to compare
813 2000-06-14 Richard Henderson <rth@cygnus.com>
815 * conflict.c (conflict_graph_compute): Don't look for REG_INC.
817 * config/ia64/ia64.c (ia64_setup_incoming_varargs): Don't emit
820 * print-rtl.c (print_rtx): Emit space before mem alias set.
822 2000-06-14 David Edelsohn <edelsohn@gnu.org>
824 * rs6000.c (expand_block_move): Fix typo in earlier change.
825 (print_operand): Remove unused variables neg and op.
826 (toc_hash_mark_entry): Fix prototype.
828 2000-06-14 Benjamin Chelf <chelf@codesourcery.com>
830 * c-common.h (IF_COND): Moved here from cp/cp-tree.h.
831 (THEN_CLAUSE): Likewise.
832 (ELSE_CLAUSE): Likewise.
833 (WHILE_COND): Likewise.
834 (WHILE_BODY): Likewise.
837 (RETURN_EXPR): Likewise.
838 (EXPR_STMT_EXPR): Likewise.
839 (FOR_INIT_STMT): Likewise.
840 (FOR_COND): Likewise.
841 (FOR_EXPR): Likewise.
842 (FOR_BODY): Likewise.
843 (SWITCH_COND): Likewise.
844 (SWITCH_BODY): Likewise.
845 (CASE_LOW): Likewise.
846 (CASE_HIGH): Likewise.
847 (GOTO_DESTINATION): Likewise.
848 (COMPOUND_BODY): Likewise.
849 (ASM_CV_QUAL): Likewise.
850 (ASM_STRING): Likewise.
851 (ASM_OUTPUTS): Likewise.
852 (ASM_INPUTS): Likewise.
853 (ASM_CLOBBERS): Likewise.
854 (DECL_STMT_DECL): Likewise.
855 (STMT_EXPR_STMT): Likewise.
856 (LABEL_STMT_LABEL): Likewise.
857 (SCOPE_BEGIN_P): Likewise.
858 (SCOPE_END_P): Likewise.
859 (SCOPE_STMT_BLOCK): Likewise.
860 (SCOPE_NULLIFIED_P): Likewise.
861 (SCOPE_NO_CLEANUPS_P): Likewise.
862 (SCOPE_PARTIAL_P): Likewise.
863 (ASM_VOLATILE_P): Likewise.
864 (STMT_LINENO): Likewise.
865 (STMT_LINENO_FOR_FN_P): Likewise.
867 * c-common.def: New file. Added SRCLOC, SIZEOF_EXPR, ARROW_EXPR,
868 ALIGNOF_EXPR, EXPR_STMT, COMPOUND_STMT, DECL_STMT, IF_STMT,
869 FOR_STMT, WHILE_STMT, DO_STMT, RETURN_STMT, BREAK_STMT,
870 CONTINUE_STMT, SWITCH_STMT, GOTO_STMT, LABEL_STMT, ASM_STMT,
871 SCOPE_STMT, CASE_LABEL, STMT_EXPR.
873 * gencheck.c (tree_codes[]): Added '#include "c-common.def"'.
875 2000-06-14 David O'Brien <obrien@FreeBSD.org>
877 * gcc.c (main): Quiet compiler warnings. argv is assumed to be
878 writable in parts of the GCC code.
880 * config/elfos.h (ASM_GENERATE_INTERNAL_LABEL): Make printf
881 specification match cast.
883 Wed Jun 14 09:25:57 2000 Jeffrey A Law (law@cygnus.com)
885 * configure.in: Revert AC_TYPE_GETGROUPS patch from June 13.
886 * configure, config.in: Rebuilt.
887 * sys-protos.h: Similarly.
889 Wed Jun 14 03:39:58 EDT 2000 John Wehle (john@feith.com)
891 * ifcvt.c (EDGE_COMPLEX): Move definition ...
892 * basic-block.h (EDGE_COMPLEX): ... here.
894 * loop.c (check_dbra_loop): Specify the register when
895 generating REG_NONNEG notes and don't generate duplicates.
897 2000-06-13 Jakub Jelinek <jakub@redhat.com>
899 * tree.h (TYPE_USER_ALIGN, DECL_USER_ALIGN): Define.
900 (struct tree_type, struct tree_decl): Add user_align member.
901 * stor-layout.c (layout_decl): Set DECL_USER_ALIGN.
902 (place_union_field): If BIGGEST_FIELD_ALIGNMENT is defined
903 and DECL_USER_ALIGN 0, cap alignment to this value.
904 (place_field): Likewise.
905 (finalize_type_size): Set TYPE_USER_ALIGN.
906 (layout_type): Likewise.
907 (initialize_sizetypes): Likewise.
908 * c-common.c (decl_attributes): Set TYPE_USER_ALIGN resp.
909 DECL_USER_ALIGN to 1.
910 * c-decl.c (duplicate_decls): Set DECL_USER_ALIGN.
911 (xfer_tag): Set TYPE_USER_ALIGN.
912 (finish_struct): Set DECL_USER_ALIGN resp. TYPE_USER_ALIGN.
913 (finish_enum): Likewise.
914 * stmt.c (expand_decl): Set DECL_USER_ALIGN.
915 (expand_anon_union_decl): Likewise.
916 * tree.c (make_node): Set DECL_USER_ALIGN resp. TYPE_USER_ALIGN.
917 (build_index_type): Set TYPE_USER_ALIGN.
918 (build_range_type): Likewise.
919 (build_common_tree_nodes_2): Likewise.
920 * tm.texi (BIGGEST_FIELD_ALIGNMENT): Document the changed meaning.
922 2000-06-13 Andreas Jaeger <aj@suse.de>
924 * configure.in: Use --enable-checking=misc,tree,gc by default if
925 no --enable-checking option is given and for
926 --enable-checking=yes.
927 * configure: Rebuilt.
929 2000-06-13 Richard Henderson <rth@cygnus.com>
931 * libgcc2.c (ia64_throw_helper): Use __builtin_return_address.
932 (__throw): Don't pass the address of a label.
934 * config/ia64/ia64.c (ia64_compute_frame_size): Use
935 current_function_is_leaf.
936 (ia64_expand_prologue): Likewise. Modify return_address_pointer_rtx
937 instead of reg_names[RETURN_ADDRESS_REGNUM].
938 (ia64_init_machine_status): Reset return_address_pointer_rtx.
939 * config/ia64/ia64.h (RETURN_ADDRESS_POINTER_REGNUM): Rename
940 from RETURN_ADDRESS_REGNUM. Update all uses.
941 (RETURN_ADDR_RTX): Use return_address_pointer_rtx; return
942 zero instead of null on failure.
943 (ELIMINABLE_REGS): Add ra->b0 elimination.
944 (CAN_ELIMINATE): Update accordingly.
945 (INITIAL_ELIMINATION_OFFSET): Likewise.
946 (REGISTER_NAMES): Use an illegal assembler name for
947 RETURN_ADDRESS_POINTER_REGNUM.
949 2000-06-13 Richard Henderson <rth@cygnus.com>
951 * config/ia64/ia64.h (enum reg_class): Remove FR_INT_REGS, FR_FP_REGS,
952 GR_AND_FR_INT_REGS, GR_AND_FR_FP_REGS.
953 (REG_CLASS_NAMES): Likewise.
954 (REG_CLASS_CONTENTS): Likewise.
955 (FR_FP_REGNO_P, FR_INT_REGNO_P): Remove.
956 (HARD_REGNO_MODE_OK): Remove references to them.
957 (REGNO_REG_CLASS): Likewise.
958 (REG_CLASS_FROM_LETTER): Likewise.
959 (CLASS_MAX_NREGS): Likewise.
960 (REGISTER_MOVE_COST): Likewise.
961 * config/ia64/ia64.c (ia64_secondary_reload_class): Likewise.
962 * config/ia64/ia64.md (*): Replace "e" constraints with "f".
963 (movqi_internal): Special case moves from zero.
964 (movhi_internal, movsi_internal): Likewise.
965 (movdi_internal): Likewise. Fill out "f" constraints.
966 (movsf_internal): Fill out "r" constraints.
967 (movdf_internal): Likewise.
969 2000-06-13 Richard Henderson <rth@cygnus.com>
971 * flow.c (insn_dead_p): Keep sets to PIC_OFFSET_TABLE_REGNUM
974 * haifa-sched.c (struct deps): Add in_post_call_group_p.
975 (add_dependence): Handle notes between SCHED_GROUP_P insns.
976 (remove_dependence): Always define.
977 (set_sched_group_p): New.
978 (sched_analyze_2): Use it.
979 (sched_analyze_insn): Don't special-case naked uses. Look for
980 and extend in_post_call_group_p.
981 (sched_analyze): Clear stale SCHED_GROUP_P. Set in_post_call_group_p.
982 (init_deps): Clear in_post_call_group_p.
984 2000-06-13 Richard Henderson <rth@cygnus.com>
986 * combine.c (subst): Use CLASS_CANNOT_CHANGE_MODE and
987 CLASS_CANNOT_CHANGE_MODE_P instead of CLASS_CANNOT_CHANGE_SIZE
988 and hard-coded tests.
989 (simplify_set): Likewise.
990 (gen_lowpart_for_combine): Likewise.
991 * emit-rtl.c (gen_lowpart_common): Likewise.
992 * global.c (find_reg): Likewise.
993 * local-alloc.c (find_free_reg): Likewise.
994 * recog.c (register_operand): Likewise.
995 * regclass.c (init_reg_sets_1): Likewise.
996 (record_operand_costs, regclass): Likewise.
997 * reload.c (push_reload): Likewise.
998 * reload1.c (choose_reload_regs): Likewise.
999 * flow.c (mark_used_regs): Conditionally set REG_CHANGES_MODE.
1000 * local-alloc.c (struct qty): Rename changes_size to changes_mode.
1001 Update all references.
1002 * regs.h (struct reg_info_def): Likewise.
1003 (REG_CHANGES_MODE): Rename from REG_CHANGES_SIZE.
1004 * tm.texi (CLASS_CANNOT_CHANGE_MODE): Document.
1005 (CLASS_CANNOT_CHANGE_MODE_P): Likewise.
1007 * config/alpha/alpha.h (CLASS_CANNOT_CHANGE_MODE): Rename.
1008 (CLASS_CANNOT_CHANGE_MODE_P): New.
1009 * config/mips/mips.h: Likewise.
1010 * config/pa/pa32-regs.h: Likewise.
1011 * config/pa/pa64-regs.h: Likewise.
1012 * config/rs6000/rs6000.h: Likewise.
1013 * config/sh/sh.h: Likewise.
1014 * config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE): New.
1015 (CLASS_CANNOT_CHANGE_MODE_P): New.
1016 * config/avr/avr.h (CLASS_CANNOT_CHANGE_SIZE): Remove dead code.
1017 * config/d30v/d30v.h: Likewise.
1019 2000-06-13 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1021 * configure.in: Add AC_TYPE_GETGROUPS test.
1022 * sys-protos.h: Use GETGROUPS_T * for second arg of getgroups.
1023 * configure: Rebuilt.
1024 * config.in: Rebuilt.
1026 2000-06-13 Richard Henderson <rth@cygnus.com>
1028 * explow.c (set_mem_attributes): Do nothing for NULL type.
1030 Tue Jun 13 14:45:10 2000 Jeffrey A Law (law@cygnus.com)
1032 * config/m68k/openbsd.h (ASM_SPEC): pass down options to assembler
1035 2000-06-13 James E. Wilson <wilson@cygnus.com>
1037 * config/ia64/ia64.md (movxf_internal): Add missing "e" to ldf/stf.
1039 Tue Jun 13 14:05:35 2000 Jeffrey A Law (law@cygnus.com)
1041 * Makefile.in (gensupport.o): Remove bogus $(HOST_PREFIX) reference.
1043 2000-06-13 Philipp Thomas <pthomas@suse.de>
1045 * configure.in(ALL_LINGUAS): Changed en_UK to en_GB.
1046 * configure: Rebuilt.
1048 2000-06-07 David O'Brien <obrien@FreeBSD.org>
1050 * configure.in: Adjust FreeBSD bits to match changes to config.guess.
1051 We now default to ELF for the i386, and a.out is the special case.
1052 * configure: Rebuilt.
1054 Tue Jun 13 10:05:30 2000 Hans-Peter Nilsson <hp@axis.com>
1056 * final.c (final_scan_insn): Delete notes between cc0 setter and
1057 user when restarting from setter.
1059 2000-06-13 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1061 * vax.h (INDEX_TERM_P): Define evaluation order of &&'s in || and
1062 cast to squelch signed/unsigned warnings.
1064 2000-06-13 Zack Weinberg <zack@wolery.cumb.org>
1066 * cpplib.c (handle_directive): Print non-NUL-terminated string
1069 2000-06-12 Michael Meissner <meissner@redhat.com>
1071 * ifcvt.c (dead_or_predicable): Don't do conditional execution
1072 path if the machine needs extra support to do conditional
1075 Mon Jun 12 17:04:17 2000 Jeffrey A Law (law@cygnus.com)
1077 * print-rtl.c (print_rtx, case MEM): Use HOST_WIDE_INT_PRINT_DEC
1078 to print the alias set.
1079 * print-tree.c (print_node, DECL_* nodes and case 't'): Similarly.
1081 2000-06-12 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1083 * config/float-vax.h: Add GFLOAT defines.
1085 Mon Jun 12 9:44:00 2000 Mark Klein <mklein@dis.com>
1087 * configure.in: Update tm dependencies for MPE.
1088 * configure: Rebuilt.
1090 2000-06-12 H.J. Lu <hjl@gnu.org>
1092 * gengenrtl.c (obstack_alloc_rtx): Correct the allocated size.
1094 2000-06-12 David Edelsohn <edelsohn@gnu.org>
1096 * aix41.h (SUBTARGET_SWITCHES): Delete threads.
1097 (CPP_SPEC): Change mthreads to pthread.
1098 (LIB_SPEC): Likewise.
1099 (STARTFILE_SPEC): Likewise.
1100 * aix43.h (SUBTARGET_SWITCHES): Delete threads.
1101 (CPP_SPEC): Change mthreads to pthread.
1102 (LIB_SPEC): Likewise.
1103 (STARTFILE_SPEC): Likewise.
1104 * rs6000-protos.h (reg_or_arith_cint_operand): New.
1105 * rs6000.c (reg_or_arith_cint_operand): New.
1106 (num_insns_constant_wide): Decorate unsigned constant.
1107 * rs6000.h (PREDICATE_CODES): Add reg_or_arith_cint_operand.
1108 * rs6000.md (addsi3): Use new predicate.
1109 (subsi3, adddi3, subdi3): Likewise.
1111 2000-06-12 Mark Mitchell <mark@codesourcery.com>
1113 * c-common.c (lang_get_alias_set): Fix typo.
1115 2000-06-12 Richard Earnshaw <rearnsha@arm.com>
1117 * flow.c (mark_used_regs): Revert last change.
1118 (life_analysis): Remove PROP_AUTOINC if running after reload.
1119 (propagate_one_insn): PROP_AUTOINC is always off after reload.
1121 2000-06-11 Richard Earnshaw <rearnsha@arm.com>
1123 * flow.c (mark_used_regs): Don't call find_auto_inc after reload
1126 2000-06-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1128 * bb-reorder.c (build_scope_forest): Initialize variable
1131 * calls.c (expand_call): Likewise for variables
1132 `save_pending_stack_adjust' and `save_stack_pointer_delta'.
1134 * i386.c (function_arg_advance, function_arg): Cast to avoid
1135 signed/unsigned warnings.
1137 * i386.h (MEMORY_MOVE_COST): Likewise.
1139 * ifcvt.c (cond_exec_process_if_block): Initialize variables
1140 `else_start' and `else_end'.
1142 * libgcc2.h (__eh_alloc, __eh_free): Prototype.
1144 * regrename.c (rr_replace_reg): Initialize variable `dest_subregno'.
1146 2000-06-10 Mark Mitchell <mark@codesourcery.com>
1148 * Makefile.in (libintl.a): Depend on intl.all.
1150 2000-06-09 H.J. Lu (hjl@gnu.org)
1152 * Makefile.in (c-parse.o): Also depend on output.h.
1154 2000-06-09 Rodney Brown <RodneyBrown@mynd.com>
1156 * mcore-protos.h: discards const warning removal.
1157 * mcore.c: discards const warning removal.
1159 2000-06-09 Kazu Hirata <kazu@hxi.com>
1161 * config/h8300/lib1funcs.asm: Declare the machine architecture at
1162 the beginning of the file.
1164 2000-06-09 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1166 * real.h: Add prototype for ldexp.
1168 2000-06-09 Zack Weinberg <zack@wolery.cumb.org>
1170 * ggc-none.c, ggc-simple.c, ggc-page.c (ggc_alloc_obj): Rename
1171 it ggc_alloc, drop second argument, never clear returned memory.
1172 * ggc-common.c (ggc_alloc_string): Use ggc_alloc.
1173 (ggc_alloc_cleared): New.
1174 * ggc.h: Prototype ggc_alloc and ggc_alloc_cleared, not
1175 ggc_alloc_obj. Remove ggc_alloc macro.
1176 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Use ggc_alloc.
1178 * rtl.c (rtvec_alloc): Clear the vector always.
1179 (rtx_alloc): Clear the first word always. Remove dirty
1180 obstack tricks (this routine is no longer a bottleneck).
1181 * tree.c (make_node): Clear the new node always.
1182 (make_tree_vec): Likewise.
1183 (tree_cons): Clear the common structure always.
1184 (build1): Likewise; also, clear TREE_COMPLEXITY.
1185 * gengenrtl.c: Use puts wherever possible. Remove extra
1187 (gendef): Clear the first word of an RTX in the generator
1188 function, irrespective of ggc_p. Initialize '0' slots to
1190 (genlegend): Don't generate obstack_alloc_rtx routine, just a
1191 thin wrapper macro around obstack_alloc.
1193 * stmt.c (expand_fixup): Use ggc_alloc.
1194 * c-typeck.c (add_pending_init): Use ggc_alloc.
1195 * emit-rtl.c (init_emit_once): Clear CONST_DOUBLE_CHAIN(tem).
1196 * varasm.c (immed_double_const): Set CONST_DOUBLE_MEM(r) to
1197 const0_rtx when it is created.
1198 (immed_real_const_1): Set CONST_DOUBLE_CHAIN(r) to NULL_RTX if
1199 we are not in a function.
1201 * tree.c (tree_class_check_failed): Make second arg an int.
1202 * tree.h: Update prototype.
1204 2000-06-09 Geoff Keating <geoffk@cygnus.com>
1206 * tree.h (VOID_TYPE_P): Don't look at the TYPE_MAIN_VARIANT
1207 of an error_mark_node.
1209 Fri Jun 9 20:35:13 2000 Denis Chertykov <denisc@overta.ru>
1211 * config/avr/avr.c (asm_output_section_name): bugfix.
1213 2000-06-09 Jason Merrill <jason@casey.soma.redhat.com>
1215 * timevar.def: Add TV_EXPAND.
1216 * timevar.c (timevar_print): Update timing information.
1217 * calls.c (try_to_integrate): Push to TV_INTEGRATION for inlining.
1219 * stmt.c (expand_return): Check for error_mark_node.
1221 2000-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1223 * configure.in: Also avoid wrapping auto-build.h with IN_GCC.
1225 * scan-types.sh (VALUE) Wrap use with double quotes to protect
1226 variable against filename expansion when it contains "char *".
1228 * system.h (SSIZE_MAX): Delete backup definition.
1230 * cppfiles.c (read_include_file): Use INTTYPE_MAXIMUM(ssize_t)
1231 instead of SSIZE_MAX.
1233 2000-06-09 Jakub Jelinek <jakub@redhat.com>
1235 * configure.in: Check whether gas supports -relax.
1236 * configure, config.in: Rebuilt.
1237 * config/sparc/sparc.h (ASM_RELAX_SPEC): Define.
1238 (EXTRA_SPECS): Add asm_relax.
1239 (ASM_SPEC): Add %(asm_relax).
1240 (TARGET_SWITCHES): Add -mrelax and -mno-relax.
1241 * config/sparc/linux64.h (LINK_ARCH_SPEC): Rename to LINK_SPEC.
1242 (LINK_SPEC): Pass -relax to linker unless -mno-relax or -r.
1243 (ASM_SPEC): Add %(asm_relax).
1244 * config/sparc/linux.h (LINK_SPEC, ASM_SPEC): Likewise.
1245 * config/sparc/sparc.c (output_sibcall): If HAVE_AS_RELAX_OPTION,
1246 never use sethi/jmpl for leaf tail calls. Use or with rs2 %g0
1247 instead of mov, so that gas can further optimize it.
1249 2000-06-08 James E. Wilson <wilson@bletchleypark.cygnus.com>
1251 * dwarf2out.c (size_of_die, case dw_val_class_const): Use
1253 (value_format, case dw_val_class_const): Use sdata format.
1254 (output_die): Call output_sleb128.
1256 2000-06-08 James E. Wilson <wilson@cygnus.com>
1258 * dwarf2out.c (ASM_OUTPUT_DWARF_DATA8): Add new macro that uses
1259 UNALIGNED_DOUBLE_INT_ASM_OP. Rename old macro to
1260 ASM_OUTPUT_DWARF_CONST_DOUBLE.
1261 (output_die, case dw_val_class_unsigned_const): Correct call to
1262 ASM_OUTPUT_DWARF_DATA8.
1263 (output_die, case dw_val_class_long_long): Use
1264 ASM_OUTPUT_DWARF_CONST_DOUBLE.
1265 * tree.c (host_integerp): Accept unsigned HOST_WIDE_INT values when
1268 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Add.
1269 (output_function_prologue): Fix mispelling.
1270 (output_function_prologue, output_function_epilogue): Reorder to
1271 match ia64.c definition order.
1272 * config/ia64/ia64.c (ia64_expand_prologue): Add comment.
1273 (ia64_expand_epilogue): Set RTX_FRAME_RELATED_P on stack restore insns.
1274 Use r3 instead of r2 for large stack restores.
1275 (ia64_output_end_prologue): New function.
1276 (process_set): Emit ".restore sp" for epilogue stack restores.
1277 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Define.
1279 2000-06-08 Jakub Jelinek <jakub@redhat.com>
1281 * dbxout.c (dbxout_type_fields): Don't segfault on fields with
1284 2000-06-08 Nathan Sidwell <nathan@codesourcery.com>
1286 * frame.c (end_fde_sort): Remove extraneous erratic array test.
1288 2000-06-08 Denis Perchine <dyp@perchine.com>
1290 * frame.c (start_fde_sort): Don't malloc (0).
1292 2000-06-07 Zack Weinberg <zack@wolery.cumb.org>
1294 * c-decl.c (pushdecl): Do not call COMPLETE_TYPE_P on
1296 * print-tree.c (print_node): The transparent_union_flag means
1297 different things for unions and arrays. Do not inspect it
1298 with TYPE_TRANSPARENT_UNION.
1300 2000-06-06 Jakub Jelinek <jakub@redhat.com>
1302 * cpplib.c (do_ifdef, do_ifndef): Don't segfault if parse_ifdef
1305 Wed Jun 7 20:34:33 2000 Denis Chertykov <denisc@overta.ru>
1307 * config/avr/avr.c (asm_output_section_name): output section
1309 * config/avr/libgcc.S (.text.libgcc): declare section attributes.
1311 2000-06-06 James E. Wilson <wilson@cygnus.com>
1313 * frame.h (struct unwind_info_ptr): Collapse version, flags, and length
1314 fields into header field.
1315 (IA64_UNW_HDR_LENGTH, IA64_UNW_HDR_FLAGS, IA64_UNW_HDR_VERSION): New
1316 macros to access length, flags, and version info from header field.
1317 * config/ia64/crtbegin.asm (__do_frame_setup_aux): Delete here.
1318 * config/ia64/crtend.asm (__do_frame_setup_aux): Add here.
1319 (__do_global_ctors_aux): Fix caller.
1320 * config/ia64/frame-ia64.c (get_unwind_record): Change parameter
1321 prologue_flag to header. Pass to read_P_record.
1322 (read_P_record): New argument header. Implement P4 format.
1323 Multiply P7_T_SIZE by 16.
1324 (execute_one_ia64_descriptor): New static local region_header. Pass to
1325 get_unwind_record. Copy r to region_header if r is a header record.
1326 (print_all_records): Likewise.
1327 (__build_ia64_frame_state): Use IA64_UNW_HDR_LENGTH.
1328 (__get_personality, __get_except_table): Likewise.
1329 * config/ia64/ia64.c (process_set): Do not divide offsets by 4.
1331 2000-06-06 Philipp Thomas <pthomas@suse.de>
1333 * configure.in (AC_C_INLINE): Added.
1334 * aclocal.m4 (AM_WITH_NLS): Enable --with-included-gettext by default.
1335 * configure: Regenerate.
1337 2000-06-06 Mark Mitchell <mark@codesourcery.com>
1339 * c-common.h (c_language_kind): New type.
1340 (c_language): New variab.e
1341 * c-common.c (lang_get_alias_set): Don't put structures in
1342 non-zero alias sets in C++.
1343 * c-decl.c (c_language): Define it.
1344 * c-lex.c (doing_objc_thang): Remove.
1345 * c-tree.h (doing_objc_thang): Make it a macro.
1346 * objc/objc-act.c (lang_decode_option): Set c_language, not
1349 2000-06-06 Gabriel Dos Reis <gdr@codesourcery.com>
1351 * diagnostic.c (output_maximum_width): Remove.
1352 (doing_line_wrapping): Tweak.
1353 (diagnostic_buffer): New object.
1354 (global_output_buffer): New object.
1355 (output_destroy_prefix): New function.
1356 (default_initialize_buffer): Likewise.
1357 (reshape_diagnostic_buffer): Likewise.
1358 (initialize_diagnostics): Likewise.
1359 (output_clear): Tweak.
1360 (line_wrapper_printf): Adjust call to init_output_buffer.
1361 (vline_wrapper_message_with_location): Likewise. Use
1362 output_destroy_prefix.
1363 (v_message_with_decl): Likewise.
1365 * diagnostic.h (struct output_buffer): Constify prefix.
1366 (init_output_buffer, output_get_prefix): Constify.
1367 (diagnostic_message_length_per_line): Likewise.
1368 (reshape_diagnostic_buffer): Declare.
1369 (default_initialize_buffer): Declare.
1370 (initialize_diagnostics): Declare.
1371 (diagnostic_buffer): Declare new obbject.
1373 * toplev.c: #include diagnostic.h
1374 (display_help): Document diagnostic formatting options.
1375 (decode_f_option): Handle diagnostic formatting options.
1376 (main): Setup initialization for diagnostic messages outputter.
1378 * toplev.h (set_message_length): Remove.
1380 * Makefile.in (toplev.o): Depends upon diagnostic.h
1382 * invoke.texi : Document diagnostics formatting options.
1384 Tue Jun 6 19:25:32 2000 Philippe De Muyter <phdm@macqel.be>
1386 * configure.in (Make the links): Typo fix : the file that must be
1387 included without #ifdef IN_GCC is `auto-host.h', not `auto-config.h'.
1388 * configure: File rebuilt.
1390 2000-06-06 Nathan Sidwell <nathan@codesourcery.com>
1392 * eh-common.h (EH_ALLOC_SIZE, EH_ALLOC_ALIGN): New #defines.
1393 (eh_context): Add alloc_mask and alloc_buffer emergency fallback
1395 * libgcc2.c (__eh_alloc): Moved from cp/exception.cc. Fallback on
1396 emergency eh_context buffer, if malloc fails.
1397 (__eh_free): Moved from cp/exception.cc. Release to emergency
1398 eh_context buffer, if appropriate.
1400 2000-06-06 Jason Merrill <jason@casey.soma.redhat.com>
1402 * expr.c (store_expr): Fix typo.
1404 2000-06-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1406 * m68k.c (legitimize_pic_address): Move prototype ...
1408 * m68k-protos.h (legitimize_pic_address): ... here.
1410 * m68k.md (legitimize_pic_address): Delete prototypes.
1411 (untyped_call): Invoke GEN_CALL(), not gen_call().
1413 * nextstep.c: Include system.h and toplev.h.
1414 (get_directive_line): Don't prototype.
1415 (handle_pragma): Mark parameters with ATTRIBUTE_UNUSED and constify.
1417 * nextstep.h (handle_pragma): Prototype.
1418 (SECTION_FUNCTION): Prototype FUNCTION(). Move prototype of
1419 objc_section_init ...
1420 (EXTRA_SECTION_FUNCTIONS): ... here.
1422 Tue Jun 6 08:17:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1424 * sdbout.c (struct sdb_file): NAME now const.
1425 (sdbout_init): input_file_name now const.
1426 (sdbout_start_new_source_file): FILENAME now const.
1427 * sdbout.c (sdbout_init, sdbout_start_new_source_file): Reflect above.
1429 2000-06-06 Gabriel Dos Reis <gdr@codesourcery.com>
1431 * c-typeck.c (build_conditional_expr): Handle complex data types.
1433 2000-06-05 Jason Merrill <jason@casey.soma.redhat.com>
1435 * explow.c (maybe_set_unchanging): New function, broken out from...
1436 (set_mem_attributes): Here.
1437 * expr.h: Declare it.
1438 * stmt.c (expand_decl): Call it.
1440 2000-06-05 Richard Henderson <rth@cygnus.com>
1442 * reload1.c (choose_reload_regs): Mind CLASS_CANNOT_CHANGE_SIZE
1443 while looking for a register to inherit from.
1445 2000-06-05 Jason Merrill <jason@casey.soma.redhat.com>
1447 * Makefile.in (libgcc.ready): Lose.
1448 (libgcc.mk): Just use mv, not move-if-change.
1449 (LIBGCC_DEPS): New macro.
1451 (stmp-multilib): Likewise.
1452 * mklibgcc.in (stmp-dirs): New target. Make everything depend on
1453 it rather than the directories themselves.
1454 (LIB2ADD): Depend on the list file rather than 'force'.
1456 * fold-const.c (fold, case COND_EXPR): Elide conversion between
1457 cv-qualified versions of types.
1459 Mon Jun 5 14:06:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1461 * config/sparc/sparc.c (short_branch): Correct error in range
1464 2000-06-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1466 * fixinc/inclhack.def: New include hacks for ultrix.
1467 * (nested_ultrix): Replaced by ultrix_nested_svc.
1468 * (ultrix_atof_param): test_text string added.
1469 * (ultrix_ifdef): Modified select string.
1471 2000-06-05 Zack Weinberg <zack@wolery.cumb.org>
1473 * objc/objc-act.c (generate_method_descriptors): Register
1474 objc_method_prototype_template as a GC root.
1475 (comp_method_with_proto): Register function_type as a GC root.
1476 (comp_proto_with_proto): Replace function_type1 and
1477 function_type2 with a two-element array; register it as a GC root.
1479 (generate_protocols, build_protocol_initializer,
1480 generate_protocol_list, build_category_initializer,
1481 build_shared_structure_initializer): Do not cache cast_type
1484 2000-06-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1486 * function.c (assign_parms): Add missing argument to set_mem_attributes
1489 2000-06-05 Nathan Sidwell <nathan@codesourcery.com>
1491 * tree.h (VOID_TYPE_P): New macro.
1492 (COMPLETE_OR_VOID_TYPE_P): Use VOID_TYPE_P.
1493 * c-decl.c (grokdeclarator): Use VOID_TYPE_P.
1494 (get_parm_info): Likewise.
1495 (store_parm_decls): Likewise.
1496 (combine_parm_decls): Likewise.
1497 (finish_function): Likewise.
1498 * c-typeck.c (build_function_call): Likewise.
1499 (build_binary_op): Likewise.
1500 (build_conditional_expr): Likewise.
1501 (internal_build_compound_expr): Likewise.
1502 (convert_for_assignment): Likewise.
1503 * stmt.c (expend_expr_stmt): Likewise.
1504 (warn_if_unused_value): Likewise.
1505 (expand_return): Likewise.
1506 * c-parse.in (primary): Likewise.
1507 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
1508 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
1510 Mon Jun 5 06:46:28 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1512 * alias.c (get_alias_set): If compnent is addressable, use alias
1514 * c-decl.c (init_decl_processing): Don't call record_component_aliases.
1515 (grokdeclarator): Likewise.
1516 * c-typeck.c (common_type): Likewise.
1518 2000-06-04 Alex Samuel <samuel@codesourcery.com>
1520 * Makefile.in (OBJS): Remove dyn_string.o
1521 (dyn-string.o): Delete rule.
1522 * dyn-string.c: Delete file
1523 * dyn-string.h: Likewise.
1525 2000-06-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1527 * Makefile.in (intl.*): Honor non-zero exit codes in the intl
1530 2000-06-03 Geoff Keating <geoffk@cygnus.com>
1532 * alias.c (record_component_aliases): Don't inspect
1533 DECL_NONADDRESSABLE_P of non-FIELD_DECL components of structures.
1535 Sat Jun 3 19:05:30 2000 Michael Meissner <meissner@redhat.com>
1537 * ifcvt.c (process_insns): If IFCVT_MODIFY_INSN is defined, call
1538 it with the pattern to do machine dependent work.
1539 (cond_exec_process_if_block): If IFCVT_MODIFY_TESTS is defined,
1540 use it to modify the true/false tests used in conditional
1541 execution. If IFCVT_MODIFY_FINAL and IFCVT_MODIFY_CANCEL are
1542 defined, invoke them if the conversion to conditional execution
1543 was successful or not.
1545 * tm.texi (IFCVT_MODIFY_TESTS): Document.
1546 (IFCVT_MODIFY_INSN): Ditto.
1547 (IFCVT_MODIFY_FINAL): Ditto.
1548 (IFCVT_MODIFY_CANCEL): Ditto.
1550 Sat Jun 3 15:26:13 2000 Matt Kraai <kraai@alumni.carnegiemellon.edu>
1552 * toplev.c (main): Fix misspellings of possibility and language.
1554 2000-06-03 Richard Henderson <rth@cygnus.com>
1556 * alias.c (record_alias_subset): Initialize has_zero_child in the
1559 2000-06-03 Richard Earnshaw (rearnsha@arm.com)
1561 * arm.md (untyped_call): Use GEN_CALL macro.
1563 2000-06-02 Pekka Nikander <pnr@teldanex.tcm.hut.fi>
1565 * Makefile.in: Use $(MAKE) not "make"
1567 Fri Jun 2 19:31:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1569 * alias.c (struct alias_set_entry): New field has_zero_child.
1570 (mem_in_disjoint_alias_sets_p): Return 0 if set in either ase.
1571 (get_alias_set): If language-dependent routine set TYPE_ALIAS_SET,
1573 Call record_component_aliases for aggregate types.
1574 (record_alias_subset): Set has_zero_child.
1575 (record_component_aliases, case ARRAY_TYPE): Do nothing if
1576 TYPE_NONALIASES_COMPONENT.
1577 (record_component_aliases, case RECORD_TYPE): Test
1578 DECL_NONADDRESSABLE_P.
1579 * c-decl.c (grokdeclarator): Set DECL_NONADDRESSABLE_P instead
1580 of TREE_ADDRESSABLE.
1581 * calls.c (initialize_argument_information): Only test
1582 TYPE_TRANSPARENT_UNION for UNION_TYPE.
1583 * function.c (assign_parms): Likewise.
1584 * integrate.c (function_cannot_inline_p): Likewise.
1585 * stor-layout.c (finish_record_layout): Don't call
1586 record_component_aliases.
1587 * tree.h (struct tree_int_cst): Use struct tree_common.
1588 (struct tree_real_cst, struct tree_string): Likewise.
1589 (struct tree_complex, struct tree_identifier): Likewise.
1590 (struct tree_list, struct tree_vec, struct tree_exp): Likewise.
1591 (struct tree_block, struct tree_type, struct tree_decl): Likewise.
1592 (TYPE_TRANSPARENT_UNION): Use UNION_TYPE_CHECK.
1593 (TYPE_NONALIASES_COMPONENT): New macro.
1594 (TYPE_AMBIENT_BOUNDEDNESS): Use FUNCTION_TYPE_CHECK.
1595 (DECL_NONADDRESSABLE_P): New macro.
1596 (struct tree_decl): Reorder bits for clarity of how many left;
1599 2000-06-02 Jason Merrill <jason@casey.soma.redhat.com>
1601 * Makefile.in (libgcc.a): Also depend on $(LIB2ADD).
1602 * mklibgcc.in (force): New target.
1603 Make LIB2ADD stuff depend on it.
1605 2000-06-02 Richard Henderson <rth@cygnus.com>
1607 * alias.c (lang_get_alias_set): Remove.
1608 (get_alias_set): Call it directly, not indirectly.
1609 * c-common.c (lang_get_alias_set): Rename from c_get_alias_set.
1610 * c-common.h (c_get_alias_set): Don't declare.
1611 * c-decl.c (init_decl_processing): Don't set lang_get_alias_set.
1612 * expr.h (lang_get_alias_set): Declare as function, not pointer.
1614 2000-06-02 Bruce Korb <bkorb@gnu.org>
1616 * fixinc/server.c(sig_handler): resume closing server on SIGPIPE
1617 (server_setup): define the server's master pid
1618 (close_server): actually do the deed IFF we are the server's master
1620 2000-06-02 Jakub Jelinek <jakub@redhat.com>
1622 * c-common.c (c_get_alias_set): Check whether signed_type did not
1623 return its argument before calling get_alias_set on the result.
1625 2000-06-02 Andrew MacLeod <amacleod@cygnus.com>
1627 * expr.c (emit_group_load): Fix typo, GET_MODE not GET_CODE.
1629 Fri Jun 2 00:22:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1631 * sh.h (CPP_SPEC): Add -D__NOMACSAVE__ for -mnomacsave.
1632 (CONDITIONAL_REGISTER_USAGE): Mac registers are call used
1633 for TARGET_NOMACSAVE.
1634 (NOMACSAVE_BIT): Define.
1635 (TARGET_NOMACSAVE): Define.
1636 (TARGET_SWITCHES): Add "nomacsave".
1638 2000-06-02 Toshiyasu Morita <toshi.morita@sega.com>
1640 * sh.md (untyped_call): Remove excess parameters
1642 2000-06-01 Loren J. Rittle <ljrittle@acm.org>
1644 * fixinc/inclhack.def (osf_namespace_a): Relax expression to
1645 match that used before the conversion to c_fix style.
1646 * fixinc/fixincl.x: regenerate
1648 2000-06-01 Stan Cox <scox@cygnus.com>
1650 * varray.h (VARRAY_PUSH_GENERIC_PTR, VARRAY_PUSH_CHAR_PTR): Fix
1651 macro argument typo.
1653 2000-06-01 Zack Weinberg <zack@wolery.cumb.org>
1655 * cpplex.c (maybe_macroexpand): Use CPP_WTRADITIONAL. Improve
1657 * cpplib.c (parse_include): Remove support for VAX-C
1658 "#include starlet" misfeature.
1660 2000-05-31 Laurynas Biveinis <lauras@softhome.net>
1662 * cppfiles.c: conditionally define O_BINARY.
1663 (open_include_file): pass O_BINARY to open().
1665 2000-06-01 Richard Henderson <rth@cygnus.com>
1667 * i960.c (i960_br_predict_opcode): Remove.
1668 (i960_print_operand) [+]: Emit branch prediction hints.
1669 (i960_function_arg): Return early for VOIDmode.
1670 (i960_round_align): Return early for incomplete types.
1671 * i960.h (PRINT_OPERAND_PUNCT_VALID_P): New.
1672 * i960.md (all conditional branches): Add "%+".
1674 Thu Jun 1 12:24:21 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1676 * alias.c (get_alias_set): Don't call language-specific routine more
1677 than is needed and clean up code a bit.
1678 * c-common.c (c_get_alias_set): All references whose type
1679 is char get alias set 0, but character types need not.
1680 * varasm.c (make_function_rtl): Don't call set_mem_attributes.
1681 (make_decl_rtl): Don't call it for FUNCTION_DECL.
1683 2000-06-01 Bruce Korb <bkorb@gnu.org>
1685 * fixinc/tests/base/...: new base result files
1687 Thu Jun 1 09:37:35 2000 Clinton Popetz <cpopetz@cygnus.com>
1689 * config/i386/i386.c (ix86_use_fcomi_compare): Make global.
1690 * config/i386/i386-protos.h (ix86_use_fcomi_compare): Declare.
1691 * config/i386/i386.md (*fp_jcc_3, *fp_jcc_4): Disable if we
1694 2000-06-01 Richard Henderson <rth@cygnus.com>
1696 * Makefile.in (c-decl.o): Depend on $(EXPR_H), not expr.h.
1698 * c-decl.c (init_decl_processing): Set lang_get_alias_set first thing.
1700 2000-05-31 Richard Henderson <rth@cygnus.com>
1702 * config/ia64/ia64.c (sdata_symbolic_operand): Consider small
1703 CONSTANT_POOL_ADDRESS_P addresses for .sdata.
1704 * config/ia64/sysv4.h (SELECT_RTX_SECTION): New.
1706 2000-05-31 Richard Henderson <rth@cygnus.com>
1708 * config/ia64/ia64-protos.h (ia64_expand_prediction): Remove.
1709 * config/ia64/ia64.c (ia64_expand_prediction): Move code ...
1710 (ia64_print_operand) [+]: ... here. Use current_output_insn.
1711 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): New.
1712 * config/ia64/ia64.md (all branch/call patterns): Use %+.
1714 2000-05-31 Richard Henderson <rth@cygnus.com>
1716 * ifcvt.c (cond_exec_process_insns): Don't ever ignore clobbers.
1718 2000-05-31 Richard Henderson <rth@cygnus.com>
1720 * ifcvt.c (merge_if_block): Be prepared for JOIN to have no
1722 (find_if_block): Allow THEN with no outgoing edges.
1723 * flow.c (merge_blocks_nomove): Remove a barrier not following
1726 2000-05-31 Richard Henderson <rth@cygnus.com>
1728 * flow.c (propagate_block): Move initialization of mem_set_list ...
1729 (init_propagate_block_info): ... here. Also track blocks with
1730 no successors; don't scan insns if ! PROP_SCAN_DEAD_CODE.
1732 2000-05-31 Richard Henderson <rth@cygnus.com>
1734 * jump.c (jump_optimize_1): Revert 05-18 change.
1736 2000-05-31 Mark Mitchell <mark@codesourcery.com>
1738 * invoke.texi: Remove documentation for -fguiding-decls.
1740 2000-05-31 Richard Henderson <rth@cygnus.com>
1742 * configure.in: Fix typo last change.
1744 2000-05-31 Philipp Thomas <pthomas@suse.de>
1746 * configure.in (enable-nls): Enable if build == host, i.e. when
1747 not building a canadian cross compiler.
1748 (enable-maintainer-mode): Added for use with i18n.
1749 * aclocal.m4 (AM_GNU_GETTEXT): Only build catalogs that are a
1750 cross section of ALL_LINGUAS and LINGUAS.
1751 * configure: Rebuild.
1753 2000-05-31 Bruce Korb <bkorb@gnu.org>
1755 * fixinc/check.tpl: rework to use test result tree
1756 * fixinc/Makefile.in: change invocation of check script
1757 * fixinc/check.diff: No longer needed
1758 * fixinc/fixincl.x: regenerate
1759 * fixinc/inclhack.def: add new tests
1760 * fixinc/tests/base/arch/i960/archI960.h: New test result
1761 * fixinc/tests/base/curses.h: modified test result
1762 * fixinc/tests/base/stdio.h: ditto
1763 * fixinc/tests/base/time.h: ditto
1764 * fixinc/tests/base/sys/asm.h: ditto
1765 * fixinc/tests/base/sys/stat.h: ditto
1766 * fixinc/tests/base/sys/wait.h: ditto
1768 Wed May 31 13:17:20 2000 Philippe De Muyter <phdm@macqel.be>
1770 * except.c (clear_function_eh_region): Do not free NULL.
1772 Wed May 31 08:07:52 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1774 * Makefile.in (c-decl.o): Depend on rtl.h and expr.h.
1775 * alias.c (struct alias_entry): alias_set is HOST_WIDE_INT.
1776 (REG_BASE_VALUE): Remove unneeded cast to unsigned.
1777 (get_alias_set_entry): ALIAS_SET arg is HOST_WIDE_INT.
1778 (find_base_decl): New function, from c_find_base_decl in c-common.c.
1779 (new_alias_set): Moved from tree.c; return is HOST_WIDE_INT.
1780 (get_alias_set): Likewise.
1781 Major rework to do more things and allow language-specific code
1782 to just handle special-cases.
1783 (record_alias_subset): Args are HOST_WIDE_INT.
1784 (record_component_alias): Local vars are HOST_WIDE_INT.
1785 Don't handle COMPLEX_EXPR.
1786 (get_varargs_alias_set): Moved from builtins.c.
1787 (get_frame_alias_set): New function.
1788 * builtins.c (expand_builtin_return_address): Use frame alias set.
1789 (expand_builtin_setjmp, expand_builtin_longjmp): Use alias set
1791 (get_memory_rtx): Rework to use set_mem_attributes.
1792 (get_varargs_alias_set): Deleted from here.
1793 * c-common.c (c_apply_type_quals_to_decl): Alias sets now HOST_WIDE_INT.
1794 (c_find_base_decl): Deleted from here.
1795 (c_get_alias_set): Remove many cases and rework to just handle
1797 * c-common.h (c_get_alias_set): Returns HOST_WIDE_INT.
1798 * c-decl.c (rtl.h, expr.h): Now included.
1799 (init_decl_processing): Call record_component_aliases on array types.
1800 (grokdeclarator): Likewise.
1801 Set TREE_ADDRESSABLE for all fields that are not bitfields.
1802 * c-typeck.c (common_type): Call record_component_aliases for array.
1803 * caller-save.c (setup_save_areas): Rework register loop for unsigned.
1804 Set all save areas to the frame alias set.
1805 * calls.c (initialie_argument_information): Call set_mem_attributes.
1806 (compute_argument_addresses, expand_call): Likewise.
1807 * explow.c (set_mem_attributes): New function.
1808 (stabilize): Use MEM_COPY_ATTRIBUTES and force_reg.
1809 * expr.c (struct move_by_pieces): Remove {to,from}_{struct,readonly}.
1810 LEN and OFFSET now HOST_WIDE_INT.
1811 (clear_by_pieces): Similar changes.
1812 (move_by_pieces): LEN now HOST_WIDE_INT; don't set deleted fields.
1813 (move_by_pieces_ninsns): Now returns unsigned HOST_WIDE_INT.
1814 (move_by_pieces_1): Don't use deleted fields, use MEM_COPY_ATTRIBUTES.
1815 (clear_by_pieces_1): Likewise.
1816 (emit_push_insn): Call set_mem_attributes.
1817 (expand_expr, case INDIRECT_REF): Likewise.
1818 (expand_expr, case VAR_DECL): Call change_address.
1819 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE): Use host_integerp and
1821 (get_varargs_alias_set, get_frame_alias_set): New decls.
1822 (record_base_value, record_alias_subset, lang_get_alias_set): Likewise.
1823 (new_alias_set, set_mem_attributes): Likewse.
1824 * function.c (struct temp_slot): ALIAS_SET is HOST_WIDE_INT.
1825 (assign_stack_temp_for_type): Likewise.
1826 Can split slot even if alias set since can copy.
1827 Set MEM_ALIAS_SET and MEM_SET_IN_STRUCT_P.
1828 (assign_temp): Use host_integerp and tree_low_cst.
1829 (put_var_into_stack): Properly handle SAVE_EXPR.
1830 (put_addressof_into_stack): Likewise.
1831 (assign_parms): Call set_mem_attributes.
1833 (fix_lexical_address): Put reference to chain into frame alias set.
1834 (expand_function_start): Call set_mem_attributes.
1835 * integrate.c (expand_inline_function): Likewise.
1836 * recog.c (adj_offsettable_operand): Use MEM_COPY_ATTRIBUTES.
1837 * regmove.c (try_apply_stack_adjustment): Likewise.
1838 * reload.c (push_reload, make_memloc): Likewise.
1839 * reload1.c (alter_reg): Make alias sets for spilled pseudos.
1840 * rtl.def (MEM): Update comment.
1841 * rtl.h (MEM_ALIAS_SET): Now uses XCWINT.
1842 (move_by_pieces): Change length to HOST_WIDE_INT.
1843 (record_base_value, record_alias_subset): Delete from here.
1844 * stmt.c (expand_decl): Call set_mem_attributes.
1845 * stor-layout.c (finish_record_layout): Call record_component_aliases.i
1846 * toplev.c (compile_file): Call init_alias_once earlier.
1847 * tree.c (lang_get_alias_set, get_alias_set, new_alias_set): Deleted
1848 from here: now in alias.c.
1849 * tree.h (struct tree_type): alias_set is HOST_WIDE_INT.
1850 (struct tree_decl): Likewise.
1851 (get_alias_set, new_alias_set, lang_get_alias_set): Deleted from here.
1852 * varasm.c (make_function_rtl, make_decl_rtl): Call set_mem_attributes.
1853 (output_constant_def, force_const_mem): Likewise.
1855 * flow.c (propagate_block): If block has no successors, stores to
1856 frame are dead if not used.
1858 2000-05-31 Nathan Sidwell <nathan@codesourcery.com>
1860 * stmt (expand_end_case): Reorder conversion sequence for jump
1861 table to avoid extra truncations.
1863 Wed May 31 01:31:42 2000 Jeffrey A Law (law@cygnus.com)
1865 * ifcvt.c (cond_exec_process_if_block): Do nothing if the last insn
1866 in the block is more than just a simple conditional branch.
1867 (noce_process_if_block): Similarly.
1869 Tue May 30 22:25:57 2000 Alexandre Oliva <aoliva@cygnus.com>
1871 * optabs.c (prepare_float_lib_cmp): Protect *px and *py from
1874 2000-05-30 Michael Meissner <meissner@redhat.com>
1876 * dwarf2out.c (dwarf2out_frame_debug_expr): Ignore HIGH
1877 instructions. Treat LO_SUM operations as loading the full integer
1880 2000-05-30 Richard Henderson <rth@cygnus.com>
1882 * combine.c (get_pos_from_mask): Test exact_log2 result as signed.
1884 2000-05-30 Richard Henderson <rth@cygnus.com>
1886 * bb-reorder.c (emit_jump_to_block_after): Protect use of HAVE_return.
1888 2000-05-30 Bruce Korb <bkorb@gnu.org>
1890 * fixinc/tests/*: Added expected result files for fixinc's make check
1891 * fixinc/fixfixes(char_macro_*_fix): Restore original algorithm
1893 2000-05-30 Richard Henderson <rth@cygnus.com>
1895 * config/alpha/alpha.md (*setne_internal): Use match_operator
1896 instead of working down from insn.
1898 2000-05-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1900 * invoke.texi (-Wtraditional): Update WRT function macros.
1902 Tue May 30 09:57:32 2000 Philippe De Muyter <phdm@macqel.be>
1904 * except.c (free_exception_table): Do not free NULL.
1906 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
1908 * cpplib.c (do_if): Don't save and restore only_seen_white here.
1909 * cppexp.c (_cpp_parse_expr): Save and restore only_seen_white
1912 2000-05-29 Richard Earnshaw (rearnsha@arm.com)
1914 * flow.c (mark_used_reg): If a register is unconditionally live,
1915 remove any conditional death information.
1917 2000-05-29 Richard Henderson <rth@cygnus.com>
1919 * final.c (current_output_insn): New.
1920 (final_scan_insn): Set it.
1921 * output.h: Declare it.
1923 2000-05-29 Richard Henderson <rth@cygnus.com>
1925 * stor-layout.c (finalize_record_size): Fix typo.
1927 * jump.c (redirect_jump): Don't emit NOTE_INSN_FUNCTION_END
1930 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
1932 * cpplib.h (cpp_reader): Remove if_stack. Change
1933 potential_control_macro to a cpp_hashnode *. Add skipping flag.
1934 * cpphash.h (struct ihash): Change control_macro to a
1935 cpp_hashnode * and shorten name to cmacro.
1936 Add NEVER_REINCLUDE constant.
1938 * cppfiles.c (redundant_include_p): Drop cpp_reader argument.
1939 Examine the cmacro node directly, no need to call cpp_defined.
1940 (_cpp_execute_include, read_include_file): Set cmacro to
1941 NEVER_REINCLUDE, not U"".
1942 * cpplex.c (cpp_push_buffer): Don't set new->if_stack.
1943 (cpp_get_token): If pfile->skipping is true, discard text and
1944 keep scanning until we hit a directive; don't expand macros.
1946 * cpplib.c (struct if_stack): Remove if_succeeded, add
1947 was_skipping. Change control_macro to a cpp_hashnode * and
1948 shorten name to cmacro. Remove typedef IF_STACK.
1949 (parse_ifdef), detect_if_not_defined): Return a cpp_hashnode *.
1950 (conditional_skip, skip_if_group,
1951 consider_directive_while_skipping): Delete.
1952 (push_conditional): New.
1953 (_cpp_handle_directive): Don't process directives other than
1954 conditionals if we are skipping.
1956 (do_ifdef, do_ifndef, do_if, do_else, do_elif, do_endif):
1957 Update to new scheme.
1958 (validate_else): Skip rest of line here, unconditionally.
1959 (_cpp_unwind_if_stack): The stack is per-buffer. Force
1960 pfile->skipping off.
1962 (all): Remove `scare quotes' from error messages.
1964 2000-05-29 Richard Henderson <rth@cygnus.com>
1966 * function.c (emit_return_into_block): New line_note arg; emit it.
1967 (thread_prologue_and_epilogue_insns): Attempt to locate a line note
1968 for the close brace to accompany HAVE_return. Move all line notes
1969 following the epilogue to before the NOTE_INSN_EPILOGUE_BEG.
1971 2000-05-29 Richard Henderson <rth@cygnus.com>
1973 * longlong.h [__alpha] (count_leading_zeros): New.
1974 (count_trailing_zeros): New.
1975 (COUNT_LEADING_ZEROS_0): New.
1977 * config/alpha/alpha.c (alpha_zero_comparison_operator): New.
1978 (alpha_split_conditional_move): New.
1979 * config/alpha/alpha-protos.h: Prototype them.
1980 * config/alpha/alpha.h (PREDICATE_CODES): Update.
1981 (CPP_CPU_DEFAULT_SPEC): Fix typo for EV67.
1982 * config/alpha/alpha.md: Update ffs cix commentary.
1984 (*nabssf2, *nabsdf2): New.
1985 (*mov[qhsd]icc_internal): Use add_operand.
1986 (if_then_else constant splitters): New.
1987 (*cmp_sadd_di, *cmp_sadd_si, *cmp_sadd_sidi): New.
1988 (*cmp_ssub_di, *cmp_ssub_si, *cmp_ssub_sidi): New.
1990 2000-05-29 Richard Henderson <rth@cygnus.com>
1992 * combine.c (force_to_mode) [MINUS]: Convert subtraction from
1993 a constant to NEG or NOT when conditions allow.
1995 * combine.c (combine_simplify_rtx): Don't create an if_then_else
1996 unless both args are general_operand. Don't canonicalize plus
1997 to ior unless it helps.
1999 * toplev.c (rest_of_compilation): Set no_new_pseudos after flow1;
2000 instead track register_life_up_to_date. Toggle no_new_pseudos
2003 2000-05-28 Geoff Keating <geoffk@cygnus.com>
2005 * config/rs6000/rs6000.c (output_cbranch): Escape '%' characters
2006 so output_operand doesn't see them.
2008 Sun May 28 18:37:07 2000 Clinton Popetz <cpopetz@cygnus.com>
2010 * lcm.c (make_preds_opaque): Fix comment.
2011 (optimize_mode_switching): Use NORMAL_MODE instead of
2012 MODE_USES_IN_EXIT_BLOCK. Change leftover instance of
2013 FP_MODE_NONE to no_mode. Rename MODE_AT_ENTRY to NORMAL_MODE.
2014 Handle insertions before an existing NOTE_INSN_BASIC_BLOCK.
2015 * tm.texi (OPTIMIZE_MODE_SWITCHING): Refer to NORMAL_MODE.
2016 (MODE_USES_IN_EXIT_BLOCK): Delete.
2017 (MODE_AT_ENTRY) Rename to NORMAL_MODE.
2018 * sh.h (MODE_USES_IN_EXIT_BLOCK): Delete.
2019 (MODE_AT_ENTRY): Rename to NORMAL_MODE.
2020 (MODE_NEEDED): Don't look for USE.
2021 (EPILOGUE_USES): Define.
2023 Sun May 28 23:26:59 2000 Philippe De Muyter <phdm@macqel.be>
2025 * mklibgcc.in (all): Variable initialised to `libgcc'.
2027 2000-05-28 Gabriel Dos Reis <gdr@codesourcery.com>
2029 * toplev.h (skip_leading_substring): New macro.
2030 * toplev.c (decode_f_option): Use skip_leading_substring instead
2032 (decode_W_option): Likewise.
2034 2000-05-28 Nick Clifton <nickc@cygnus.com>
2036 * tm.texi (CONDITIONAL_REGISTER_USAGE): Document that it can
2039 2000-05-28 Richard Henderson <rth@cygnus.com>
2041 * regclass.c (record_operand_costs): Protect reg_changes_size
2042 with CLASS_CANNOT_CHANGE_SIZE.
2044 * loop.c (instrument_loop_bct): Set JUMP_LABEL on the new insn.
2046 2000-05-28 Richard Henderson <rth@cygnus.com>
2048 * function.c (diddle_return_value): A pcc-style struct return
2051 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
2053 * cppfiles.c: Read files in, using mmap if possible, then
2054 prescan them separately.
2055 (read_file, read_with_read): New functions.
2056 * cpplex.c: Don't define UCHAR_MAX.
2057 (_cpp_read_and_prescan): Rename to _cpp_prescan. Don't read
2060 * cppinit.c (handle_option): Automatically define __cplusplus,
2061 __OBJC__, __ASEEMBLER__, _LANGUAGE_FORTRAN here when we see
2062 the respective -lang switch.
2064 * cpphash.h (enum node_type, struct hashnode, _cpp_lookup
2065 prototype): Move to...
2066 * cpplib.h: ... here. Rename struct hashnode to struct
2067 cpp_hashnode and give it a typedef. Rename _cpp_lookup to
2068 cpp_lookup. Add 'fe_value' slot, a union tree_node *.
2070 2000-05-27 Geoffrey Keating <geoffk@cygnus.com>
2072 * config/rs6000/rs6000.md (movsi): Constify 'name'.
2074 * regclass.c [CLASS_CANNOT_CHANGE_SIZE]
2075 (class_can_change_size): New variable.
2076 (reg_changes_size): New variable.
2077 (init_reg_sets_1): Initialise class_can_change_size.
2078 (record_operand_costs): Remove subreg_changes_size.
2079 Don't pass it around. Instead update reg_changes_size.
2080 (regclass): Initialise and free reg_changes_size. If a register
2081 changes size, don't preference it to a class that contains
2082 registers that can't change size.
2083 (record_reg_classes): Don't look at subreg_changes_size.
2085 2000-05-27 Richard Henderson <rth@cygnus.com>
2087 * print-rtl.c (reg_names): Remove const.
2088 * regclass.c (reg_names): Likewise.
2089 * regs.h (reg_names): Likewise.
2090 * hard-reg-set.h (reg_names): Likewise.
2092 2000-05-27 Richard Henderson <rth@cygnus.com>
2094 * config/rs6000/rs6000.md (untyped_call): Use GEN_CALL.
2096 2000-05-27 Richard Henderson <rth@cygnus.com>
2098 * config/alpha/alpha.c (alpha_does_function_need_gp): Test
2099 TARGET_PROFILING_NEEDS_GP in the if, instead of with an ifdef.
2100 (alpha_expand_prologue): Emit prologue_mcount if needed.
2101 * config/alpha/alpha.h (TARGET_PROFILING_NEEDS_GP): Default to 0.
2102 * config/alpha/alpha.md (prologue_mcount): New.
2103 * config/alpha/linux.h (FUNCTION_PROFILER): Remove.
2104 (TARGET_PROFILING_NEEDS_GP): Undef before redefining.
2105 * config/alpha/netbsd.h: Likewise.
2107 2000-05-27 Richard Henderson <rth@cygnus.com>
2109 * config/alpha/elf.h (SELECT_SECTION): Mirror Kenner's May 19
2110 change to config/elfos.h.
2112 2000-05-27 Richard Henderson <rth@cygnus.com>
2114 * Makefile.in (resource.o): Depend on except.h.
2115 * except.h (output_exception_table_data): Prototype.
2116 * genconfig.c (gen_peephole2): Prototype.
2117 * genemit.c (main): Include ggc.h.
2118 * genoutput.c: Revert parts of last change: include errors.h
2119 (main): Set progname.
2120 * recog.c: Include hard-reg-set.h before recog.h.
2121 * resource.c: Include except.h.
2123 * config/alpha/alpha-protos.h (alpha_arg_info_reg_val): Protect
2125 (alpha_write_linkage): Protect with BUFSIZ.
2126 (alpha_need_linkage): Update prototype.
2127 * config/alpha/alpha.c (function_arg): Move VMS code here.
2128 (alpha_links_base): Remove.
2130 (mark_alpha_links_node, mark_alpha_links): New.
2131 (alpha_write_one_linkage): New.
2132 (alpha_need_linkage): Use a splay tree. Build the linkage symbol.
2133 (alpha_write_linkage): Use splay_tree_foreach.
2134 * config/alpha/alpha.md (call_vms): Use alpha_need_linkage
2135 to get the linkage symbol.
2136 (call_value_vms): Likewise.
2137 * config/alpha/elf.h (output_file_directive): Remove decl.
2138 (ctors_section, dtors_section): Prototype.
2139 (sbss_section, sdata_section): Prototype.
2140 * config/alpha/vms.h (FUNCTION_ARG): Remove.
2141 (readonly_section, link_section, literals_section): Prototype.
2142 (ctors_section, dtors_section): Prototype.
2143 (vms_valid_decl_attribute_p): Remove decl.
2144 (alpha_arg_type, alpha_arg_info_reg_val): Likewise.
2146 2000-05-27 Geoff Keating <geoffk@cygnus.com>
2148 * reload.c (get_secondary_mem): Don't widen floating-point modes.
2150 * combine.c (subst): Honour CLASS_CANNOT_CHANGE_SIZE when
2151 substituting the REG in a (subreg:X (reg:Y ...)).
2153 2000-05-28 Neil Booth <NeilB@earthling.net>
2155 * cpplex.c (_cpp_lex_line): Merge vertical space. Flag
2156 first token of a line BOL. Update EOF code for this.
2157 Remove illegal directive check - it appears in the (not
2158 yet committed) caller.
2159 * cpplib.h (BOL): New flag.
2161 2000-05-28 Neil Booth <NeilB@earthling.net>
2163 * cpplex.c (_cpp_init_toklist): No comment space to initialise.
2164 (_cpp_free_toklist): No comment space to free.
2165 (expand_comment_space): Remove.
2166 (save_comment_space): Place the comment in the current token and
2167 not in a separate comment space.
2168 (_cpp_lex_line): Save comments during plain code and #define
2170 * cpplib.h (struct _cpp_toklist): Remove comment space.
2172 2000-05-28 Neil Booth <NeilB@earthling.net>
2174 * cppexp.c (parse_assertion): Supply extra argument to
2176 * cpplib.c (do_assert, do_unassert): Similarly.
2177 * cpphash.h (_cpp_init_toklist) Update.
2178 (_cpp_expand_token_space): New.
2179 (DUMMY_TOKEN, NO_DUMMY_TOKEN): New.
2180 * cpplex.c (_cpp_init_toklist): New argument.
2181 (parse_string2): New argument multiline_ok.
2182 (spell_token): Take a const cpp_token *.
2183 (INIT_NAME): Replace with INIT_TOKEN_NAME. Update tokens_used.
2184 (SPELL_ macros): Replace with enum.
2185 (expand_token_space): Replace with _cpp_expand_token_space.
2186 Take COUNT argument.
2187 (IS_DIRECTIVE): Update.
2188 (_cpp_lex_line): Update token structure before parsing number.
2189 Don't assume start at beginning of token list.
2190 (save_comment): Use INIT_TOKEN_NAME.
2192 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
2194 * configure.in (stage1_warn_cflags): Add -Wstrict-prototypes
2195 -Wmissing-prototypes.
2196 * configure: Regenerate.
2197 * gcc.texi: Remove explanation of MD_CALL_PROTOTYPES.
2199 * builtins.c, calls.c: Change all instances of gen_call_* or
2200 gen_sibcall_* to GEN_CALL_* and GEN_SIBCALL_*.
2201 * calls.c (struct_value_size_rtx): Separate definition from
2202 initialization to avoid unused variable warning.
2204 * genflags.c (gen_macro): New function.
2205 (gen_proto): Call it for gen_call_* and gen_sibcall_*.
2206 (gen_nonproto): Delete.
2207 (gen_insn): Put all insns on the same obstack.
2208 (main): Generate prototypes for everything unconditionally.
2210 * configure.in: Add AC_CHECK_TYPE(ssize_t). Remove commented
2211 out check for wchar_t.
2212 * acconfig.h: Add template for ssize_t. Remove @TOP@.
2213 * system.h: Add infrastructure for defining missing
2214 TYPE_MAX/TYPE_MIN macros. Use it to provide fallback
2215 definitions of UCHAR_MAX and SSIZE_MAX.
2216 * configure: Regenerate.
2217 * config.in: Regenerate.
2219 * Makefile.in (libgcc2.ready): Rename to libgcc.ready.
2220 Depend on $(LANGUAGES) as well as $(GCC_PATCHES) and fixed
2222 (clean): No need to delete libgcc1.a, libgcc1-asm.a,
2223 libgcc2.a, or libgcc1.null.
2225 2000-05-27 Richard Henderson <rth@cygnus.com>
2227 * Makefile.in (recog.o): Don't depend on resource.h.
2228 * recog.c: Don't include resource.h.
2229 (recog_last_allowed_insn): Remove.
2230 (recog_next_insn): Remove.
2231 (struct peep2_insn_data): New.
2232 (peep2_insn_data, peep2_current): New.
2233 (peep2_next_insn): New.
2234 (peep2_regno_dead_p, peep2_reg_dead_p): New.
2235 (peep2_find_free_register): New.
2236 (peephole2_optimize): Track life information by insn as we go.
2237 * recog.h: Update declarations.
2238 * resource.c (find_free_register, reg_dead_p): Remove.
2239 * resource.h: Remove their declarations.
2240 * toplev.c: Include hard-reg-set.h before recog.h.
2242 * genconfig.c (max_insns_per_peep2): New.
2243 (gen_peephole2): New.
2245 * genemit.c (output_peephole2_scratches): Generate calls to
2246 peep2_find_free_register; adjust surrounding code.
2247 (main): Have insn-emit.c include hard-reg-set.h before recog.h.
2248 * genrecog.c (change_state): Don't track last_insn.
2249 (write_action): Write into *_pmatch_len before accepting.
2250 (write_tree): Adjust peephole2_insns and subroutines to match.
2252 * config/i386/i386.md (all peepholes): Use peep2_regno_dead_p.
2254 * config/alpha/alpha.c (hard_fp_register_operand): Mind the mode.
2255 (hard_int_register_operand): New.
2256 * config/alpha/alpha-protos.h: Declare it.
2257 * config/alpha/alpha.h (PREDICATE_CODES): Update.
2258 * config/alpha/alpha.md (peep2 patterns): Use hard_int_register_operand
2259 as needed; use peep2_reg_dead_p instead of dead_or_set_p.
2261 2000-05-27 Richard Henderson <rth@cygnus.com>
2263 * function.c (thread_prologue_epilogue_insns): Don't move the
2264 line note at the head of the chain. Only force a lineno note
2265 before the end of block 0.
2267 2000-05-27 Richard Henderson <rth@cygnus.com>
2269 * gensupport.c (collect_insn_data): Record the maximum number
2270 of alternatives, not the last seen.
2272 * genoutput.c: Don't include errors.h.
2273 (struct data): Add lineno member.
2275 (scan_operands): Use message_with_line instead of error.
2276 (validate_insn_alternatives): Likewise.
2277 (gen_insn): Accept and store the pattern's line number.
2278 (gen_peephole, gen_expand, gen_split): Likewise.
2279 (main): Don't set progname. Pass line_no to gen_foo.
2281 2000-05-27 Richard Henderson <rth@cygnus.com>
2283 * config/d30v/d30v.c (d30v_print_operand): Handle ':'.
2284 * config/d30v/d30v.h (PRINT_OPERAND_PUNCT_VALID_P): Accept ':'.
2285 * config/d30v/d30v.md (attr predicable): New.
2286 (all insn patterns): Mark non-predicable patterns; use %: on the rest.
2287 (andsi3*): Unify into one pattern.
2288 (iorsi3*, xorsi3*): Likewise.
2289 (peephole2 patterns): Use peep2_reg_dead_p; verify not a
2291 (old cond_exec patterns): Remove.
2292 (define_cond_exec): New.
2294 Sat May 27 11:01:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2296 * tree.h (TREE_CODE_LENGTH): New macro.
2297 * c-common.c (c_find_base_decl): Use it.
2298 * expr.c (safe_from_p): Likewise.
2299 * print-tree.c (print_node): Likewise.
2300 * tree.c (make_node, copy_node, get_identifier): Likewie.
2301 (first_rtl_op, contains_placeholder_p, substitute_in_expr): Likewise.
2302 (build, build_nt, build_parse_node, simple_cst_equal): Likewise.
2303 * fold-const.c (make_range): Likewise.
2304 (fold): Likewise; also use first_rtl_op.
2305 * c-iterate.c (collect_iterators): Use first_rtl_op.
2306 * calls.c (calls_function_1): Likewise; also rename TYPE to CLASS.
2307 Use IS_EXPR_CODE_CLASS.
2308 (preexpand_calls): Likewise.
2309 * ggc-common.c (ggc_mark_trees): Rework to use first_rtl_op
2310 and TREE_CODE_LENGTH.
2311 * stmt.c (warn_if_unused_value): If no operands, no unused value.
2313 2000-05-26 Geoffrey Keating <geoffk@cygnus.com>
2315 * config/rs6000/rs6000.md (movsi_internal1): Use '%a1' rather
2317 (movdi_internal64): Likewise.
2319 * config/rs6000/rs6000.md: Correct order of operands for DImode
2322 * config/rs6000/rs6000.c (boolean_or_operator): New function.
2323 * config/rs6000/rs6000-protos.h (boolean_or_operator): Prototype it.
2324 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_or_operator.
2325 * config/rs6000/rs6000.md: Use boolean_or_operator instead of
2326 boolean_operator for the boolean patterns without NOTs.
2328 * config/rs6000/rs6000.c (reg_or_logical_cint_operand): Rename
2329 from reg_or_u_cint_operand. Change comment and behaviour.
2330 (logical_operand): Clean up, add assertion.
2331 (non_logical_cint_operand): Also check for
2332 reg_or_logical_cint_operand.
2333 * config/rs6000/rs6000.h (PREDICATE_CODES): Update.
2334 * config/rs6000/rs6000.md (iorsi3): Use reg_or_logical_cint_operand
2340 2000-05-26 Mark Mitchell <mark@codesourcery.com>
2342 * tree.h (struct record_layout_info): Rename to (struct
2343 record_layout_info_s).
2344 * stor-layout.c (start_record_layout): Replace
2345 `record_layout_info' with `record_layout_info_s'.
2347 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
2349 * flow.c (find_label_refs): New function.
2350 (find_basic_blocks_1): Call it for each alternative of a call
2353 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
2355 * ifcvt.c (cond_exec_get_condition): Set test_if to the SET_SRC
2358 2000-05-25 Richard Henderson <rth@cygnus.com>
2360 * config/alpha/alpha.c (alpha_comparison_operator): Don't be
2361 so strict about DImode.
2362 (alpha_swapped_comparison_operator): Likewise.
2363 * config/alpha/alpha.md (*setne_internal): Name it. Allow
2364 any integer output mode.
2365 (*setcc_internal): Likewise.
2366 (*setcc_swapped_internal): Likewise.
2367 (*movdicc_internal, *movdicc_lbc, *movdicc_lbs): Name them.
2368 (*mov[qhs]icc_internal): New.
2369 (*mov[qhs]icc_lbc, *mov[qhs]icc_lbs): New.
2371 2000-05-25 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2373 * vax.h (CPP_SPEC): Define __GFLOAT and GFLOAT when -mg is specified.
2375 2000-05-25 Richard Henderson <rth@cygnus.com>
2377 * bb-reorder.c (reorder_block_def): Reorder elements for size.
2378 Remove add_jump; add next; replace flags with visited.
2380 (REORDER_BLOCK_HEAD, REORDER_BLOCK_VISITED): Remove.
2381 (REORDER_BLOCK_FLAGS, REORDER_BLOCK_INDEX): Remove.
2382 (REORDER_BLOCK_ADD_JUMP, REORDER_BLOCK_EFF_HEAD): Remove.
2383 (REORDER_BLOCK_EFF_END, REORDER_BLOCK_SCOPE): Remove.
2385 (reorder_index, reorder_last_visited): Remove.
2386 (skip_insns_after_block): Rewrite to use a switch.
2387 (get_common_dest): Remove.
2388 (chain_reorder_blocks): Remove.
2389 (record_effective_endpoints): Split out from reorder_basic_blocks.
2390 (make_reorder_chain): Likewise. Loop until all blocks are placed.
2391 (make_reorder_chain_1): Renamed from old make_reorder_chain.
2392 Only construct the reorder chain, do not move insns. Try harder
2394 (label_for_bb, emit_jump_to_block_after): New.
2395 (fixup_reorder_chain): Use them. Do bulk block movement. Examine
2396 and adjust the jump insns appropriately. Fixup basic_block_info.
2397 (verify_insn_chain): Always define.
2398 (relate_bbs_with_scopes): Call xmalloc, not xcalloc. Fix thinko
2400 (make_new_scope): Don't write zeros to calloc'd space.
2401 (build_scope_forest): Rely on xrealloc to DTRT.
2402 (reorder_basic_blocks): Don't build loop nest. Don't fail if
2403 profile_arc_flag. Streamline EH test.
2405 * flow.c (redirect_edge_succ, redirect_edge_pred): New.
2406 * basic-block.h: Declare them.
2408 2000-05-25 Alexandre Oliva <aoliva@cygnus.com>
2410 * emit-rtl.c (reset_used_decls): New function.
2411 (unshare_all_rtl_again): Call it.
2413 2000-05-25 Zack Weinberg <zack@wolery.cumb.org>
2415 * cpplex.c (maybe_macroexpand): Warn about function-like
2416 macros used in non-function context, if -Wtraditional.
2418 2000-05-25 Mark Mitchell <mark@codesourcery.com>
2420 * recog.c (peephole2_optimize): Use INSN_P.
2422 2000-05-25 Richard Henderson <rth@cygnus.com>
2424 * ifcvt.c (seq_contains_jump): New.
2425 (noce_try_store_flag_constants): Use it to fail conversion.
2426 (noce_try_store_flag_inc, noce_try_store_flag_mask): Likewise.
2428 2000-05-25 Mark Mitchell <mark@codesourcery.com>
2430 * except.h (can_throw): Declare it.
2431 * except.c (can_throw): Give it external linkage.
2432 * resource.c (find_dead_or_set_registers): Use can_throw.
2434 2000-05-25 Richard Henderson <rth@cygnus.com>
2436 * flow.c (mark_set_1): Don't record conditionally dead memory.
2438 2000-05-25 Jan Hubicka <jh@suse.cz>
2440 * combine.c (try_combine): Use any_condjump_p, any_uncondjump_p
2441 and pc_set at the place of simplejump_p and condjump_p.
2442 * cse.c (record_jump_equiv): Likewise.
2443 * emit-rtl.c (emit): Likewise.
2444 * explow.c (find_next_ref): Likewise.
2445 * flow.c (tidy_fallthru_edge): Likewise.
2446 (init_propagate_block_info): Likewise.
2447 * gcse.c (delete_null_pointer_checks): Likewise.
2448 * ifcvt.c (cond_exec_get_condition, noce_get_condition,
2449 dead_or_predicable): Likewise.
2450 * integrate.c (copy_insn_list): Likewise.
2451 * loop.c (scan_loop, verify_dominator, find_and_verify_loops,
2452 for_each_insn_in_loop, check_dbra_loop, get_condition,
2453 insert_bct, load_mems): Likewise.
2454 * resource.c (find_dead_or_set_registers): Likewise.
2455 * sibcalls.c (simplejump_p): Likewise.
2456 * unroll.c (copy_loop_body, reg_dead_after_loop): Likewise.
2458 2000-05-25 David Edelsohn <edelsohn@gnu.org>
2460 * rs6000.c (expand_block_move): Add 64-bit PowerPC doubleword move
2461 to STRING case. Use doubleword STRING move for TARGET_POWERPC64
2463 * rs6000.h (CONST_OK_FOR_LETTER_P, 'J'): unsigned HOST_WIDE_INT.
2464 (RETURN_ADDR_RTX): Use COUNT and FRAME, not count and frame.
2465 (LEGITIMIZE_RELOAD_ADDRESS): unsigned HOST_WIDE_INT high.
2466 * rs6000.md: Name various internal patterns.
2468 2000-05-25 Jan Hubicka <jh@suse.cz>
2470 * jump.c (invert_exp_1): Remove first argument, use pc_set
2471 to get the expression.
2472 (redirect_exp): Make static; redirect only the pc_set expression,
2473 remove first argument.
2474 (invert_exp): Remove first argument, make static.
2475 (jump_optimize): Use any_condjump_p, any_uncondjump_p and
2476 any_onlyjump at most places where we originaly did condjump_p
2478 (jump_back_p, follow_jumps, thread_jumps): Likewise.
2479 (delete_barrier_succesors): Use pc_set.
2480 (invert_jump_1, invert_jump, redirect_jump_1, redirect_jump): Update
2481 calls of invert_exp and redirect_exp.
2482 * rtl.h (redirect_exp, invert_exp): Remove.
2483 * unroll.c (copy_loop_body): Use invert_jump and redirect_jump.
2485 2000-05-25 Richard Henderson <rth@cygnus.com>
2487 * stmt.c (expand_end_bindings): Fix thinko last change.
2489 2000-05-25 Andrew MacLeod <amacleod@cygnus.com>
2490 Andrew Haley <aph@cygnus.com>
2492 * except.c (func_eh_entry): Add emitted field.
2493 (new_eh_region_entry): Set emitted field to 0;
2494 (output_exception_table_entry): Only emit previously un-emitted data,
2495 and send it to the eh_data section.
2496 (output_exception_table): Break out common parts. Output
2497 exception table for entire compilation unit to eh_data section.
2498 (output_exception_table_data): Common parts of output_exception_table.
2499 Send output to eh_data section.
2500 (output_function_exception_table): Output exception table data for
2501 a single function to eh_data section.
2502 (free_exception_table): New external to free the table.
2503 * except.h (free_exception_table): Add prototype.
2504 (output_function_exception_table): Add prototype.
2505 * final.c (final_end_function): Output function exception table
2506 for IA64_UNWIND_INFO.
2507 (final_scan_insn): Emit any unwind directives for an insn.
2509 * frame-dwarf2.c: New file containing all DWARF 2 specific code
2511 * frame.c: Remove all DWARF 2 specific code.
2512 * config/ia64/frame-ia64.c: New file.
2513 (gthread_stuff): Make all gthread available with
2515 (dwarf_fde): Define an IA64 struct for dwarf_fde.
2516 (__register_frame_info, __register_frame): Move to common area of file.
2517 (__register_frame_info_table, __register_frame_table): Move to common i
2519 (__deregister_frame_info, __deregister_frame): Move to common area.
2520 (__frame_init, find_fde): New versions for IA64_UNWIND_INFO.
2521 (read_uleb128): New version for ia64.
2522 (get_unwind_record): Read the next IA-64 unwind record.
2523 (read_R_record): Read a region header record.
2524 (process_a_b_reg_code): X record helper.
2525 (read_X_record): Read an X format record.
2526 (read_B_record): Read a B format record.
2527 (P3_record_types): List of record types matching the P3 format.
2528 (P7_record_types): List of record types matching the P7 format.
2529 (P8_record_types): List of record types matching the P8 format.
2530 (read_P_record): Read a P format record.
2531 (init_ia64_reg_loc): Set default fields for a register.
2532 (init_ia64_unwind_frame): Set defaults for all register records.
2533 (execute_one_ia64_descriptor): Execute one descriptor record.
2534 (rse_address_add): Calculate the position of a local reg in memory.
2535 (normalize_reg_loc): Turn a location descriptor into a memory address.
2536 (maybe_normalize_reg_loc): Only normalize a descriptor if it falls
2537 within a specified PC offset range.
2538 (get_real_reg_value): Given a register location, retrieve its value.
2539 (set_real_reg_value): Change the value of a register location.
2540 (copy_reg_value): Copy reg values, if needed.
2541 (copy_saved_reg_state): Copy all registers that need to be copied.
2542 (process_state_between): Normalize all frame register records that
2543 fall within the specified PC range.
2544 (frame_translate): Take a processed frame description, and turn
2545 everything into addresses.
2546 (build_ia64_frame_state ): Find and create frame state record for a PC.
2547 (get_personality): Get the personality routine for a given frame.
2548 (get_except_table): Get the exception table for a given frame.
2549 (record_name): Unwind record names for debugging.
2550 (print_record): Print and unwind record.
2551 (print_all_records): Print an entire unwind image.
2552 (__ia64_backtrace): Print a backtrace.
2553 (ia64_backtrace_helper): New function.
2554 (__register_frame_info_aux): New function.
2555 * config/ia64/crtend.asm (__do_frame_setup_aux): New function.
2557 * frame.h (enum unw_record_type): New unwind record types.
2558 (struct unw_p_record, unw_b_record, unw_x_record) : New unwind records.
2559 (struct unw_r_record, unwind_record): New unwind record structs.
2560 (struct unwind_info_ptr): Unwind information layout.
2561 (IA64_UNW_LOC_TYPE_*): Macros for different types for location
2563 (struct ia64_reg_loc): Register location description.
2564 (struct ia64_frame_state): Location of all registers in a frame.
2565 (struct object): Add pc_base and fde_end for IA64_UNWIND_INFO.
2566 * libgcc2.c (__ia64_personality_v1): Personality routine.
2567 (__calc_caller_bsp): Calculate the bsp register for the caller's
2569 (ia64_throw_helper): Figure out who to return to and set up the
2571 (__throw): Throw routine.
2573 * output.h (assemble_eh_align, assemble_eh_label): New functions
2574 to generate EH info where we want it.
2575 (assemble_eh_integer): New function.
2576 * toplev.c (compile_file): Output module level exception table for
2578 (main): Set exceptions_via_longjump and flag_new_exceptions based
2579 on IA64_UNWIND_INFO too.
2581 * varasm.c (assemble_eh_label): Generate a label via
2582 ASM_OUTPUT_EH_LABEL if it has been specified.
2583 (assemble_eh_align): Generate an alignment directive via
2584 ASM_OUTPUT_EH_ALIGN if it has been specified.
2585 (assemble_eh_label): Generate an integer value via
2586 ASM_OUTPUT_EH_type if they have been specified.
2587 * config/ia64/ia64.c (rtx_needs_barrier): Add flushrs.
2588 (ia64_init_builtins): Add __builtin_ia64_bsp
2589 and __builtin_ia64_flushrs.
2590 (ia64_expand_builtin): Add IA64_BUILTIN_BSP and
2591 IA64_BUILTIN_FLUSHRS.
2592 * config/ia64/ia64.h (ia64_builtins): Add IA64_BUILTIN_BSP and
2593 IA64_BUILTIN_FLUSHRS.
2595 * config/ia64/ia64.md (flushrs): New insn to flush the register
2596 stack. Add to unspec list.
2598 * config/ia64/crtbegin.asm (frame_object): Change size.
2599 (__do_frame_setup_aux): New function.
2600 * config/ia64/crtend.asm: call __do_frame_setup_aux.
2601 * config/ia64/t-ia64 (LIB2ADDEH): Add.
2602 * Makefile.in (LIB2ADDEH): Add.
2603 (LIB2ADD): Use LIB2ADDEH.
2605 2000-05-24 Richard Henderson <rth@cygnus.com>
2607 * recog.c (offsettable_address_p): If mode size is zero, assume
2610 2000-05-24 J. David Anglin <dave@hiauly.hia.nrc.ca>
2612 * configure.in: Check for -Wno-long-long option support and improve
2613 handling of warning CFLAGS for stages 1 and 2.
2614 * Makefile.in (WARN_CFLAGS): Move definition to configure.in.
2615 * configure: Regenerate.
2617 Wed May 24 19:37:53 2000 Jeffrey A Law (law@cygnus.com)
2619 * gcc.texi: Remove contributor list. Instead include contrib.texi.
2620 * contrib.texi: New file.
2622 Thu May 25 02:27:22 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2624 * loop.c (basic_induction_var): Avoid double recording of an increment.
2626 Thu May 25 02:19:27 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2628 * Back out this patch:
2629 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
2630 * loop.h (struct induction): Add multi_insn_incr.
2631 * loop.c (basic_induction_var): New multi_insn_incr argument.
2632 Set it if we search back through previous insns for the biv.
2633 (record_biv): New multi_insn_incr argument; fill in struct induction.
2634 (strength_reduce): Discard an iv with multiple bivs, any of
2635 which require multiple insns to increment.
2637 * loop.c (check_insn_for_bivs): Remove bits copied from above patch.
2639 Thu May 25 02:09:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2641 * rtl.h (loc_mentioned_in_p): Declare.
2642 * reload.c (loc_mentioned_in_p): Moved from here...
2643 * rtlanal.c (loc_mentioned_in_p): to here. No longer static.
2644 Fix loop increment for 'E' handling.
2645 * loop.c (strength_reduce): When doing biv->giv conversion,
2646 take multi-insn biv increments into account.
2648 2000-05-24 Jason Merrill <jason@casey.soma.redhat.com>
2650 * stmt.c (expand_end_bindings): Look through NOTEs to find a
2653 2000-05-24 Mark Mitchell <mark@codesourcery.com>
2655 * calls.c (expand_call): Handle cleanups in tail-recursion
2656 arguments analagously to cleanups in sibling calls.
2658 2000-05-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2660 * simplify-rtx.c: Rename macro SIGN_EXTEND to HWI_SIGN_EXTEND.
2661 All callers changed.
2663 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
2665 * expr.c (expand_assignment, store_expr, expand_expr,
2666 expand_expr_unaligned): Set in_check_memory_usage while emitting
2667 chkr_check_addr libcall.
2669 2000-05-24 Nick Clifton <nickc@cygnus.com>
2671 * fold-const.c (extract_muldiv): When constructing a
2672 multiplier/divisor, do not expect const_binop to correctly
2673 determine if overflow has occured, so check explicitly.
2675 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
2677 * c-decl.c (build_enumerator): Don't modify the value's type,
2680 2000-05-24 Andreas Jaeger <aj@suse.de>
2682 * mips.h (LINKER_ENDIAN_SPEC): Pass -EL to linker by default.
2684 2000-05-24 Eric Christopher <echristo@cygnus.com>
2686 * configure.in: Redefine inhibit_libc conditions.
2687 * libgcc2.c: Remove inhibit_libc conditional define.
2688 * configure: Regenerate.
2690 2000-05-24 Phil Edwards <pme@sourceware.cygnus.com>
2692 * configure.in: For --enable-languages=LIST, check for empty LIST.
2693 * configure: Regenerate.
2695 2000-05-24 Lars Brinkhoff <lars@nocrew.org>
2697 * pdp11.h (STACK_BOUNDARY): Define.
2699 2000-05-24 Jakub Jelinek <jakub@redhat.com>
2701 * ifcvt.c (if_convert): Update life info globally.
2703 2000-05-24 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2705 * emit-rtl.c (unshare_all_decls): New function.
2706 (unshare_all_rtl): Call it.
2708 2000-05-23 Nick Clifton <nickc@cygnus.com>
2710 * configure.in: Treat 'strongarm' as if it were 'arm' when
2711 determining cpu type.
2713 * configure: Regenerate.
2715 * config/arm/arm.c: Change 'char *' to 'const char *' for cases
2716 where constant strings are involved.
2718 * config/arm/arm.h (arm_condition_codes): Change type to 'const
2721 * config/arm/arm-protos.h: Change 'char *' to 'const char *' for
2722 cases where constant strings are involved.
2724 Tue May 23 15:08:31 2000 Clinton Popetz <cpopetz@cygnus.com>
2726 * config/sh/sh.c (gen_far_branch, split_branches): Update
2727 to reflect new prototypes for redirect_jump and invert_jump.
2728 (sh_insn_length_adjustment): Get rid of const warnings.
2730 2000-05-23 Kazu Hirata <kazu@hxi.com>
2732 * invoke.texi (Options for Debugging Your Program or GCC): Update
2733 the names of dump files.
2735 Tue May 23 13:58:52 2000 Philippe De Muyter <phdm@macqel.be>
2737 * configure.in (NO_MINUS_C_MINUS_O): Fix thinko in previous fix.
2738 * configure: Regenerated.
2740 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
2742 * simplify-rtx.c (SIGN_EXTEND): New macro.
2743 (simplify_unary_operation, simplify_binary_operation,
2744 simplify_relational_operation): Use SIGN_EXTEND. Make low
2745 halves of (low, high) pairs unsigned if they weren't already.
2746 (simplify_ternary_operation): Cast INTVAL to unsigned before
2747 comparing to a MODE_BITSIZE.
2749 2000-05-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2751 * aclocal.m4 (gcc_AC_CHECK_DECL, gcc_AC_CHECK_DECLS): New macros
2752 rewritten from the internals of gcc_AC_NEED_DECLARATION{S}.
2754 * configure.in (gcc_AC_CHECK_DECLS): Call this instead of
2755 gcc_AC_NEED_DECLARATIONS.
2757 * dwarfout.c: Don't prototype time().
2759 * gcc.c: Check HAVE_DECL_* instead of NEED_DECLARATION_*.
2761 * system.h: Likewise.
2763 * toplev.c: Likewise.
2765 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
2767 * c-decl.c (pushdecl): Invert sense of test for non-global types.
2769 Tue May 23 18:11:42 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2771 * reload1.c (reload_cse_move2add): Honor TRULY_NOOP_TRUNCATION.
2773 2000-05-23 Jonathan Larmour <jlarmour@redhat.co.uk>
2775 * config/mips/elf64.h (CTOR_LISTS_DEFINED_EXTERNALLY): Define
2777 Tue May 23 06:50:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2779 * config/alpha/alpha.c: Remove #ifdef HAIFA since now only scheduler.
2780 (alpha_start_function): Never write ..ng label if VMS or NT.
2781 (alpha_align_insns): Remove GP_IN_USE arg.
2782 Alignment now unsigned.
2783 (alpha_reorg): Don't pass GP_IN_USE arg to alpha_align_insns.
2784 * config/alpha/alpha.md (prologue_ldgp): Split into one define_expand
2785 and two define_insn's.
2787 2000-05-22 Richard Henderson <rth@cygnus.com>
2789 * combine.c (simplify_comparison): Use trunc_int_for_mode.
2791 2000-05-22 Richard Henderson <rth@cygnus.com>
2793 * stor-layout.c (place_field): Change rli->size to rli->offset.
2795 2000-05-22 Richard Henderson <rth@cygnus.com>
2797 * function.c (thread_prologue_and_epilogue_insns): Make sure
2798 existing line number notes appear after the prologue.
2800 Mon May 22 21:49:00 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2802 * config/alpha/alpha.c (alpha_fnname): New static variable.
2803 (print_operand, case '~'): New case.
2804 (alpha_expand_prologue): Emit prologue_ldgp insn if needed.
2805 (alpha_start_function): Set alpha_fnname.
2806 Write "ng" label if no ldgp; don't write ldgp insn.
2807 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): New case '~'.
2808 * config/alpha/alpha.md (prologue_ldgp): New define_insn.
2810 Mon May 22 11:30:48 2000 Clinton Popetz <cpopetz@cygnus.com>
2812 * jump.c (jump_optimize_1): Don't increment LABEL_NUSES
2815 2000-05-22 Zack Weinberg <zack@wolery.cumb.org>
2817 * varasm.c (eh_frame_section): Revert change to argument list.
2819 Mon May 22 13:14:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2821 * optabs.c (can_extend_p): Allow unsignedp to have any nonzero value.
2822 (gen_extend_insn, can_fix_p, can_float_p): Likewise.
2824 * final.c (final_scan_insn, case NOTE_INSN_FUNCTION_BEG): Remove
2825 dangling "else" that causes "break" to be conditional.
2826 Also remove unneeded code at start.
2828 Mon May 22 17:31:35 2000 Philippe De Muyter <phdm@macqel.be>
2830 * m68k/m68k.h (STORE_FLAG_VALUE): Macro set to (-1), not -1.
2831 * fx80/fx80.h, i370/i370.h, m88k/m88k.h (STORE_FLAG_VALUE): Ditto.
2832 * gmicro/gmicro.h, we32k/we32k.h (STORE_FLAG_VALUE): Ditto.
2834 2000-05-22 Jakub Jelinek <jakub@redhat.com>
2836 * config/sparc/sparc.md (movdf_insn_v9only_vis): fzero has
2839 Mon May 22 06:57:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2841 * alias.c (record_component_aliases): New function.
2842 * tree.h: Clean up some declarations and comments.
2843 (record_component_aliases): New declaration.
2844 * tree.c (get_alias_set): If type and has alias set, use it.
2846 2000-05-22 Richard Henderson <rth@cygnus.com>
2848 * simplify-rtx.c (simplify_ternary_operation): Try to simplify
2849 IF_THEN_ELSE to a setcc form.
2850 * jump.c (can_reverse_comparison_p): Be prepared for insn null.
2852 2000-05-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2854 * fixinc/inclhack.def (sun_malloc): Handle `calloc'.
2855 (sun_malloc, sysz_stdtypes_for_sun): Add test_text.
2857 Sun May 21 16:42:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2859 * combine.c (try_combine): Handle i3_subst_into_i2 case when I2 is
2862 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
2864 * config/mn10300/mn10300.md (movdi, movdf): 64-bit clean-up.
2865 * config/mn10300/mn10300.c (print_operand): Likewise.
2867 * final.c (split_double): Right shift of negative values is not
2870 * ifcvt.c (if_convert): Scan and kill dead code.
2872 * emit-rtl.c (unshare_all_rtl): Store the copied rtx.
2874 2000-05-20 Zack Weinberg <zack@wolery.cumb.org>
2876 * diagnostic.c: Eliminate implicit int.
2877 * except.c, gcc.c: Add static prototypes.
2878 * final.c (final_end_function): Mark file arg ATTRIBUTE_UNUSED.
2879 * gensupport.c (process_rtx): Use XVEC to initialize vector
2882 * print-rtl.c: If DEBUG_REGISTER_NAMES, define static
2883 debug_reg_names instead of static reg_names. If not, define
2885 * regclass.c: Don't define global reg_names unless
2886 DEBUG_REGISTER_NAMES is defined.
2888 * reload1.c (order_regs_for_reload): Remove unused variable.
2889 * varasm.c: Include output.h after defaults.h. Define
2890 eh_frame_section as function of no args, not of unspecified args.
2892 * gcc.c: Constify argbuf; arguments to store_arg,
2893 process_command, main; elements of struct command and struct
2894 switchstr; local variables in execute, process_command, main.
2896 2000-05-20 Bruce Korb <bkorb@gnu.org>
2898 * fixinc/inclhack.def: many applications of c_fix=format + tests
2899 * fixinc/check.diff: regenerated
2900 * fixinc/fixincl.x: regenerated
2902 Sat May 20 09:30:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2904 * alias.c: Clarify some comments.
2905 (record_base_value): REGNO is unsigned.
2906 * rtl.h (record_base_value): Likewise.
2908 * alias.c (aliases_everything_p): Don't special-case QImode here.
2909 * c-common.c (c_get_alias_set): Do it here.
2910 Handle BIT_FIELD_REF by getting alias info for arg.
2913 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
2915 * mklibgcc.in: Restore rule to create ${dir}.
2917 Sat May 20 08:45:41 2000 H.J. Lu <hjl@gnu.org>
2919 * Makefile.in (libgcc.mk): Depend on xgcc$(exeext) for
2920 GCC_FOR_TARGET used by MULTILIBS.
2921 * mklibgcc.in: Make sure each .o file depends on the
2922 directory it will be in.
2923 Make the multilib directory depends libgcc.
2925 Sat May 20 08:29:28 2000 H.J. Lu <hjl@gnu.org>
2927 * Makefile.in (bootstrap): Unset LANG_LIB2FUNCS for stage 1.
2929 Sat May 20 07:27:35 2000 Alexandre Oliva <aoliva@cygnus.com>
2931 * fold-const.c (make_range): Handle degenerated intervals.
2932 Fixes c-torture/execute/991221-1.c
2934 Fri May 19 18:16:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2936 * cse.c (cse_basic_block): Only call find_reg_note if REG_NOTES not 0.
2937 * reload.c (find_equiv_reg): Likewise.
2938 * alias.c (init_alias_analysis): Likewise.
2939 Only call prologue_epilogue_contains on insns.
2940 * basic-block.h (REG_SET_TO_HARD_REG_SET): Call new function.
2941 * bb-reorder.c (hard-reg-set.h): Include earlier.
2942 * haifa-sched.c (hard-reg-set.h): Likewise.
2943 * ifcvt.c (hard-reg-set.h): Likewise.
2944 * local-alloc.c (hard-reg-set.h): Likewise.
2945 * loop.c (hard-reg-set.h): Likewise.
2946 * predict.c (hard-reg-set.h): Likewise.
2947 * regrename.c (hard-reg-set.h): Likewise.
2948 * flow.c (hard-reg-set.h): Likewise.
2949 (reg_set_to_hard_reg_set): New function.
2950 * bitmap.c (regs.h, basic-block.h): No longer include.
2951 (bitmap.h): Now include.
2952 * conflict.c (hard-reg-set.h): Include.
2953 * profile.c (hard-reg-set.h): Likewise.
2954 * print-rtl.c (hard-reg-set.h): Likewise.
2955 * sbitmap.c (hard-reg-set.h): Likewise.
2956 * toplev.c (hard-reg-set.h): Likewise.
2957 * unroll.c (hard-reg-set.h, basic-block.h): Likewise.
2958 * hard-reg-set.h (reg_names): Now constant.
2959 * regs.h (reg_names): Likewise.
2960 * regclass.c (reg_names): Likewise.
2961 * loop.h (basic-block.h): No longer include.
2962 (bitmap.h): Now include.
2963 * reload1.c (order_regs_for_reload): Avoid loop over reg sets.
2964 * Makefile.in (LOOP_H, sbitmap.o, profile.o): Reflect above changes.
2965 (toplev.o, print-rtl.o, conflict.o, unroll.o, bitmap.o): Likewise.
2967 2000-05-19 Jan Hubicka <jh@suse.cz>
2968 Richard Henderson <rth@cygnus.com>
2970 * basic-block.h (struct edge_def): New field "count".
2971 (struct basic_block_def): Likewise.
2972 * flow.c (entry_exit_blocks): Add count fileds.
2973 (split_edge): Keep count information up-to-date.
2974 (dump_edge_info, dump_flow_info): Dump count fields.
2976 * final.c (count_instrumented_edges): Rename to edge from arc.
2977 (end_final): Update users.
2978 * profile.c: Include expr.h, basic-block.h.
2979 (struct adj_list, ARC_TARGET, ARC_SOURCE, ARC_COUNT): Kill.
2980 (struct bb_info, label_to_bb, label_to_bb_size, bb_graph): Kill.
2981 (ignore_next_note, return_label_execution_count): Kill.
2982 (bbg_file_name, da_file_name): Kill.
2983 (edge_info, bb_info): New structures.
2984 (EDGE_INFO, BB_INFO, GCOV_INDEX_TO_BB, BB_TO_GCOV_INDEX): New macros.
2985 (count_instrumented_edges, total_num_edges): Rename to edge from arc.
2986 (total_num_edges_instrumented): Likewise.
2987 (init_arc, expand_spanning_tree): Kill.
2988 (fill_spanning_tree, tablejump_entry_p): Kill.
2989 (instrument_edges): Rewrite from instrument_arcs to use
2990 commit_edge_insertions infrastructure.
2991 (compute_branch_probabilities): Remove arguments; rewrite for
2992 CFG infrastructure; use rtl_dump_file directly.
2993 (branch_prob, find_spanning_tree): Likewise.
2994 (union_groups, find_group): New.
2995 (init_branch_prob): Make bbg_file_name and da_file_name local.
2996 (end_branch_prob): Use rtl_dump_file directly.
2997 (init_edge_profiler): Rename to edge from arc.
2998 (output_arc_profiler): Kill.
2999 (gen_edge_profiler): New.
3000 (output_func_start_profiler): Turn off profiling. Make the
3001 constructor static when we can.
3002 * rtl.h (branch_prob, end_branch_prob): Update prototypes.
3004 * toplev.c (DFI_flow): Remove.
3005 (DFI_cfg, DFI_life): New.
3006 (dump_file): Update accordingly.
3007 (compile_file): Call end_branch_prob if profile_arc_flag too.
3008 (rest_of_compilation): Move flow1 cfg creation to DFI_cfg. Do edge
3009 profiling after the CFG is built. Move flow1 life analysis to
3010 DFI_life. Always estimate remaining probabilities.
3012 2000-05-19 Richard Henderson <rth@cygnus.com>
3014 * ifcvt.c (find_if_case_2): Don't allow THEN to be EXIT.
3016 * flow.c (make_edges): The sibling call edge to exit is abnormal.
3018 2000-05-19 Richard Henderson <rth@cygnus.com>
3020 * jump.c (redirect_jump): Add delete_unused argument. Don't
3021 remove labels and code following when LABEL_NUSES goes to zero.
3022 (invert_jump): Likewise.
3023 (jump_optimize_1): Fix redirect/invert arguments.
3024 (do_cross_jump, thread_jumps): Likewise.
3025 * flow.c (split_edge): Likewise.
3026 * reorg.c (optimize_skip): Likewise.
3027 (reorg_redirect_jump, relax_delay_slots, dbr_schedule): Likewise.
3028 * profile.c (instrument_arcs): Likewise.
3029 * loop.c (find_and_verify_loops): Likewise. Fix indentation.
3030 * rtl.h: Update prototypes.
3032 Fri May 19 12:05:13 2000 Clinton Popetz <cpopetz@cygnus.com>
3034 * ssa.c (convert_from_ssa): Tell life_analysis we need death
3036 (make_regs_equivalent_over_bad_edges): Only look at abnormal
3039 2000-05-19 Zack Weinberg <zack@wolery.cumb.org>
3041 * cpphash.c (funlike_macroexpand): Make sure not to walk p1
3042 past l1 when deleting whitespace and markers.
3044 * cpplex.c (_cpp_scan_until): Clear AUX field of tokens.
3045 * cpplib.c (do_unassert): Put the list to compare against on
3048 2000-05-19 Bruce Korb <bkorb@gnu.org>
3050 * fixinc/README: cleaned up old documentation
3051 * fixinc/check.diff: regenerated & verified on OSR5 on ix86
3052 * fixinc/check.tpl: compute the list of needed directories
3053 emit "#if defined(name)" because of conflict
3054 omit machine name differences from output differences
3055 * fixinc/inclhack.def( m88k_multi_incl ): Use `wrap' function
3056 (machine_name): change test text to use `sed' markers
3057 * fixinc/fixincl.x: regen
3059 Fri May 19 06:49:35 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3061 * config/elfos.h (SELECT_SECTION): Don't access DECL_INITIAL of
3064 2000-05-18 Chris Demetriou <cgd@sibyte.com>
3066 * gcc.texi (MULTILIB_EXCEPTIONS): Correct example and update
3067 it to match the current practice.
3069 2000-05-18 Mark Mitchell <mark@codesourcery.com>
3071 * Makefile.in (STAGESTUFF): Fix typo in spelling of s-under.
3073 2000-05-18 Richard Henderson <rth@cygnus.com>
3075 * rtlanal.c (insn_dependant_p, insn_dependant_p_1): New.
3076 * rtl.h (insn_dependant_p): Declare it.
3077 * loop.c (strength_reduce): Use it.
3079 2000-05-18 Alexandre Oliva <aoliva@cygnus.com>
3081 * config/mn10300/mn10300.c (expand_prologue, expand_epilogue):
3082 16-bit and 64-bit clean-up.
3084 2000-05-18 Mark Elbrecht <snowball3@bigfoot.com>
3086 * configure.in (*-pc-msdosdjgpp): Set float_format to none.
3087 * configure: Rebuilt.
3089 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
3091 * genopinit.c: Use $ for escape sequences in optab patterns.
3092 Remove backslashes from optab patterns. Change $A, $B, $C to
3093 expand to (int) whatever instead of just whatever; remove
3094 explicit (int) from all optab patterns.
3096 * gensupport.c (xmalloc, xrealloc, xstrdup): Provide.
3097 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c,
3098 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
3099 genrecog.c: Remove private copies of xmalloc, xrealloc, and
3102 2000-05-18 Richard Henderson <rth@cygnus.com>
3104 * jump.c (jump_optimize_1): Base minimum insn count during
3105 find_cross_jump on BRANCH_COST.
3107 2000-05-18 Jakub Jelinek <jakub@redhat.com>
3109 * print-rtl.c (print_rtx): Only print note line number as string
3110 if between NOTE_INSN_BIAS and NOTE_INSN_MAX.
3111 * final.c (final_scan_insn): Do nothing for note line number 0.
3113 2000-05-18 Jakub Jelinek <jakub@redhat.com>
3115 * gcc-common.c (ggc_mark_rtx_children): Mark NOTE_EXPECTED_VALUE
3116 from NOTE_INSN_EXPECTED_VALUE notes and NOTE_SOURCE_FILE from
3117 NOTE_INSN_DELETED_LABEL.
3119 2000-05-18 Nick Clifton <nickc@cygnus.com>
3121 * config/arm/unknown-elf.h (UNIQUE_SECTION): Place constant,
3122 uninitialised data in .rodata not .bss, and do not interpret an
3123 error in the initialisation value as meaning that the variable
3124 should be placed in the .bss section.
3126 Thu May 18 12:10:18 2000 Philippe De Muyter <phdm@macqel.be>
3128 * configure.in (NO_MINUS_C_MINUS_O): Test `$ac_cv_prog_cc_${ac_cc}_c_o',
3129 not `$ac_cv_prog_cc_cc_c_o'.
3130 * configure: Regenerated.
3132 2000-05-18 Chris Demetriou <cgd@sibyte.com>
3133 Richard Henderson <rth@cygnus.com>
3135 * c-common.h (enum c_tree_index): Add g77 type entries.
3136 (g77_integer_type_node, g77_uinteger_type_node): New.
3137 (g77_longint_type_node, g77_ulongint_type_node): New.
3138 * c-decl.c (init_decl_processing): Initialize them.
3140 2000-05-18 Richard Henderson <rth@cygnus.com>
3142 * config/h8300/h8300.md (subs patterns): Use %G to negate.
3144 * config/h8300/h8300.c (ok_for_bclr): Take a HOST_WIDE_INT.
3145 (small_power_of_two): Likewise; use exact_log2.
3146 (adds_subs_operand, one_insn_adds_subs_operand): Remove.
3147 (output_adds_subs): Remove.
3148 (two_insn_adds_subs_operand): New.
3149 (split_adds_subs): New.
3150 * config/h8300/h8300-protos.h: Update.
3151 * config/h8300/h8300.h (CONST_OK_FOR_J): Cast to uns HOST_WIDE_INT.
3152 (CONST_OK_FOR_L): Match strict adds operands.
3153 (CONST_OK_FOR_N): Match struct subs operands.
3154 * config/h8300/h8300.md (adds_subs insns): Remove.
3155 (addhi patterns): Output adds/subs directly.
3156 (addsi_h8300h): Likewise.
3157 (addhi/addsi splitters): New. Decompose two_insn_adds_subs_operand.
3159 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
3161 * cppexp.c (parse_assertion): New.
3162 (lex): Call it for CPP_HASH. Remove CPP_ASSERTION case.
3163 (_cpp_parse_expr): Remove case '#'. Don't set
3164 parsing_if_directive.
3165 * cpphash.c (collect_objlike_expansion,
3166 collect_funlike_expansion, collect_params,
3167 _cpp_create_definition): The list no longer has a trailing
3169 * cpphash.h (enum node_type): Add T_ASSERTION.
3170 (struct hashnode): Remove aschain, add pred.
3171 (struct predicate): New.
3174 * cpplex.c (expand_token_space): Handle both offset and
3176 (init_token_list, _cpp_free_token_list, _cpp_parse_assertion): Delete.
3177 (_cpp_init_toklist, _cpp_clear_toklist, _cpp_free_toklist,
3178 _cpp_slice_toklist, _cpp_squeeze_toklist, _cpp_equiv_tokens,
3179 _cpp_equiv_toklists): New.
3180 (_cpp_scan_line): Rename to _cpp_scan_until; add ability to
3181 stop at any single-character token, not just newline.
3182 (_cpp_lex_token): Remove special cases for #define and #if.
3183 (cpp_get_token): Expect # as a separate token type. Remove
3185 (_cpp_get_directive_token): Remove DIRECTIVE case.
3186 (_cpp_lex_line, _cpp_lex_file, _cpp_init_input_buffer): Update.
3188 * cpplib.c (_cpp_check_directive): Set dirno and
3189 SYNTAX_INCLUDE bit of flags, not dir_handler and dir_flags.
3190 (_cpp_handle_directive): Run # <number> through the same logic
3191 as normal directives.
3192 (do_define): Don't set parsing_define_directive. Use
3193 _cpp_scan_until. The list does not have a VSPACE at the end.
3194 (do_if): Save, clear, and restore only_seen_white around
3196 (skip_if_group): s/CPP_DIRECTIVE/CPP_HASH/
3197 (do_assert, do_unassert): Rewrite.
3199 * cpplib.h (TTYPE_TABLE): Remove CPP_ASSERTION.
3200 (LIST_OFFSET): New flag.
3201 (struct cpp_toklist): Replace dir_handler and dir_flags with
3203 (struct cpp_reader): Remove parsing_if_directive and
3204 parsing_define_directive.
3206 2000-05-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3208 * fixinc/inclhack.def (broken_cabs): Update fix to handle comments
3209 following the cabs decl which terminate on the following line.
3210 Add the corresponding test_text case.
3212 2000-05-18 Neil Booth <NeilB@earthling.net>
3214 * cppinit.c (cpp_reader_init): Initialise col_adjust and
3215 default tab stop size.
3216 (no_num, OPT_ftabstop): New.
3217 (handle_option): Handle "ftabstop=" command-line option.
3218 (print_help): Document it.
3219 * cpplex.c (COLUMN): Remove.
3220 (handle_newline): Reset col_adjust.
3221 (skip_whitespace): Update col_adjust as tabs encountered.
3222 (_cpp_lex_line): Update to use col_adjust. Call
3223 skip_whitespace for all whitespace.
3224 * cpplib.h (struct cpp_options): New member tabstop.
3225 (struct cpp_reader): New member col_adjust.
3226 (CPP_BUF_COL): Update.
3227 (CPP_BUF_COLUMN): New.
3228 * cpp.texi: Document "-ftabstop=" command line option.
3230 Wed May 17 18:19:41 2000 Philippe De Muyter <phdm@macqel.be>
3232 * configure.in (NO_MINUS_C_MINUS_O): Macro made availabe for AC_OUTPUT
3234 * configure: Rebuilt.
3236 Wed May 17 18:06:12 2000 John David Anglin <dave@hiauly1.hia.nrc.ca>
3238 * mklibgcc.in Add missing -DL$name when compiling modules in libgcc1.c.
3240 * tree.c (build_common_tree_nodes): Do not build TI nodes unless
3241 HOST_BITS_PER_WIDE_INT is >= 64.
3243 2000-05-17 Richard Henderson <rth@cygnus.com>
3245 * jump.c (jump_optimize_1): Remove inactive but real insns
3246 in jump-to-next-insn optimization.
3248 2000-05-17 Richard Henderson <rth@cygnus.com>
3250 * toplev.c (rest_of_compilation): Don't call optimize_mode_switching
3251 unless OPTIMIZE_MODE_SWITCHING. Conditionally set no_new_pseudos.
3252 Don't call recompute_reg_usage if no_new_pseudos is true.
3253 * lcm.c (optimize_mode_switching): Move ifdefs outside function.
3254 Return true if we did work; update global life information.
3255 * basic-block.h (optimize_mode_switching): Update decl.
3257 2000-05-17 Neil Booth <neilb@earthling.net>
3259 * cpplex.c (expand_name_space): Don't use ptrdiff_t.
3261 2000-05-17 Zack Weinberg <zack@wolery.cumb.org>
3263 * cpplib.c: New feature, #pragma system_header.
3264 * cpp.texi: Document special treatment of system headers, and
3265 the various mechanisms to get a header that special treatment.
3267 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3269 * system.h (offsetof): Define at the very end, to ensure we prefer
3270 the platform's definition if available.
3272 2000-05-16 Bruce Korb <bkorb@gnu.org>
3274 * fixinc/fixincl.c: improve the debug displays, ignore SIGPIPE
3275 * fixinc/server.c: likewise
3276 * fixinc/fixfixes.c( char_macro_def_fix ): fix regex
3277 + #ifdef debugging code + use #def constant for
3279 * fixinc/inclhack.def( hpux11_fabsf ): Keep HP-UX 11 from stomping
3280 on C++ math namespace
3282 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3284 * fixinc/fixfixes.c (char_macro_use_fix, char_macro_def_fix):
3285 Don't check the return value of sprintf. Use asprintf to avoid
3288 Wed May 17 17:27:44 2000 Andrew Cagney <cagney@b1.cygnus.com>
3290 * flags.h (warn_unused_function, warn_unused_label,
3291 warn_unused_parameter, warn_unused_variable, warn_unused_value):
3292 Replace ``warn_unused''.
3293 (set_Wunused): Add declaration.
3294 * toplev.c (set_Wunused): New function.
3295 (warn_unused_function, warn_unused_label, warn_unused_parameter,
3296 warn_unused_variable, warn_unused_value): New variables.
3297 (W_options): Add -Wunused-function, -Wunused-function,
3298 -Wunused-label, -Wunused-parameter, -Wunused-variable and
3299 -Wunused-value. Delete -Wunused. Handled in decode_W_option.
3301 * toplev.c (decode_W_option): Update -Wunused flags by calling
3303 * c-decl.c (c_decode_option): Ditto for -Wall.
3305 * stmt.c (expand_expr_stmt, expand_expr_stmt,
3306 warn_about_unused_variables): Replace warn_unused with more
3307 explicit warn_unused_value et.al.
3308 * function.c (expand_function_end): Ditto.
3309 * c-typeck.c (internal_build_compound_expr,
3310 internal_build_compound_expr): Ditto.
3311 * c-decl.c (poplevel, pop_label_level): Ditto.
3312 * toplev.c (check_global_declarations): Replace warn_unused with
3313 check for either warn_unused_function or warn_unused_variable.
3315 * gcc.1, invoke.texi (Warning Options): Document
3316 -Wunused-function, -Wunused-function, -Wunused-label,
3317 -Wunused-parameter, -Wunused-variable and -Wunused-value options.
3319 Wed May 17 10:28:12 2000 Philippe De Muyter <phdm@macqel.be>
3321 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Find libgcc1.c in
3322 $(srcdir), not in the current directory.
3324 2000-05-16 Richard Henderson <rth@cygnus.com>
3326 * config/ia64/crtbegin.asm (__dso_handle): Mark hidden if the
3327 assembler supports it.
3328 (.fini, .init): Use a gp-relative indirect call.
3329 (__do_global_dtors_aux): Preserve the gp; rebundle.
3330 (__do_frame_setup): Likewise.
3331 * config/ia64/crtend.asm (.IA_64.unwind): Don't terminate with -1.
3332 (.init): Use a gp-relative indirect call.
3333 (__do_global_ctors_aux): Preserve the gp.
3335 2000-05-16 Richard Henderson <rth@cygnus.com>
3337 * flow.c (commit_one_edge_insertion): Be prepared for a return
3338 insn to be inserted on the edge with a normal jump.
3339 * jump.c (jump_optimize_1): Don't look to create return isns.
3341 * flow.c (flow_delete_insn): Don't adjust reference count of notes.
3342 * jump.c (jump_optimize_1): Likewise.
3343 (returnjump_p): Verify the argument is a JUMP_INSN.
3344 * rtl.def (NOTE): Add 5th element for NOTE_INSN_DELETED_LABEL.
3346 2000-05-16 Nick Clifton <nickc@cygnus.com>
3348 * config/m32r/m32r.c (small_insn_p): Use INSN_P() to replace
3349 GET_RTX_CLASS (GET_CODE ()) == 'i'.
3350 (large_insn_p): Ditto.
3351 (m32r_is_insn): New function: Return true if the insn contains
3352 an executable instruction.
3353 (m32r_adjust_insn): Use m32r_is_insn.
3354 (m32r_sched_reorder): Use m32r_is_insn.
3355 (m32r_sched_variable_issue): Use m32r_is_insn.
3357 2000-05-16 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3359 * rs6000/rs6000.c (rs6000_select_section): Treat CONSTRUCTOR like
3362 * rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Delete unused variable.
3364 * rs6000/sysv4.h (CPP_OS_LINUX_SPEC): Define __unix and __linux
3365 according to given options.
3367 Tue May 16 12:17:31 2000 Jeffrey A Law (law@cygnus.com)
3369 * mn10200.h (PREFERRED_RELOAD_CLASS): Do not prefer DATA_REGS
3370 if X has VOIDmode either.
3371 (LIMIT_RELOAD_CLASS): Similarly.
3373 * mn10200.md (indirect_jump, tablejump): Use "register_operand",
3374 not "general_operand" to match the processor's capabilities.
3376 2000-05-16 Bruce Korb <bkorb@gnu.org>
3378 * fixinc/README: corrected return address
3379 * fixinc/check.diff: regenerate, now that test works
3380 * fixinc/fixfixes.c(format_fix,format_write): reformatted
3381 (char_macro_def_fix,char_macro_use_fix): corrected and
3382 rewrote to use regex to parse the text
3383 * fixinc/inclhack.def: more testing
3384 * fixinc/fixincl.x: regenerated
3386 * fixinc/inclhack.def: added several "test_text" attributes
3387 changed several fixes to use `c_fix = format'
3388 re-alphabetized the fixes
3390 * fixinc/check.diff: regenerate
3391 * fixinc/fixincl.x: regenerate
3392 * fixinc/check.tpl: added `sparc' and `netinet' to the list
3396 2000-05-16 Alexandre Oliva <aoliva@cygnus.com>
3398 * config/mn10300/mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove.
3400 2000-05-15 Richard Henderson <rth@cygnus.com>
3402 * toplev.c (rest_of_compilation): Run full jump pass before
3403 find_basic_blocks of flow2.
3405 2000-05-15 Richard Henderson <rth@cygnus.com>
3407 * jump.c: Fix typos and clarify commentary from last change.
3408 (any_condjump_p): Verify SET_SRC is an IF_THEN_ELSE.
3409 (safe_to_remove_jump_p): Remove.
3410 (condjump_label): Use pc_set.
3412 2000-05-15 Richard Henderson <rth@cygnus.com>
3414 * ifcvt.c (cond_exec_process_insns): Drop USE and CLOBBER insns
3415 that get in the way after reload.
3416 (cond_exec_process_if_block): Skip a label heading THEN block.
3418 2000-05-15 Richard Henderson <rth@cygnus.com>
3420 * varasm.c (output_constant_pool): Abort instead of converting
3421 (improperly) deleted labels to zero.
3423 2000-05-16 Neil Booth <NeilB@earthling.net>
3425 * cpplex.c (parse_string2): Update comment.
3426 (cpp_lex_line): No special assertion treatment for '('.
3427 * cpplib.c (DIRECTIVE_TABLE): Remove SYNTAX_ASSERT.
3428 * cpplib.h (SYNTAX_ASSERT): Remove.
3430 Mon May 15 21:45:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
3432 * jump.c (condjump_p): Mark as depreached.
3433 (any_condump_p): New.
3434 (any_uncondump_p): New.
3436 (safe_to_remove_jump_p): New.
3437 * rtl.h (any_condump_p, any_uncondjump_p, pc_set
3438 safe_to_remove_jump_p): Declare.
3440 Mon May 15 21:07:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
3442 * calls.c: Re-install both patches reverted by last patch.
3443 (struct arg_data): New field tail_call_reg.
3444 (initialize_argument_information): Initialize tail_call_reg
3445 (load_register_parameters): New argument flags, use
3446 tail_call_reg when emiting tail call sequence.
3447 (expand_call): Update call of load_register_parameters;
3448 copy unadjusted_args_size to adjusted_args_size.
3450 Mon May 15 19:01:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
3452 * loop.c (scan_loop, strength_reduce, loop_optimize): Change unroll_p
3453 and bct_p parameters to flags.
3454 * loop.h (LOOP_UNROLL, LOOP_BCT): New constants.
3455 * rtl.h (loop_optimize): Update prototype.
3456 * toplev.c (rest_of_compilation): Update call of loop_optimize.
3458 2000-05-15 Jakub Jelinek <jakub@redhat.com>
3460 * calls.c (expand_call): Move expand_start_target_temps call after
3463 2000-05-15 Neil Booth <NeilB@earthling.net>
3465 * cpphash.c (trad_stringify, warn_trad_stringify,
3466 collect_params): Make some pointers pointers to const.
3467 * cpplex.c (auto_expand_name_space) Guaranteed to always
3468 expand by at least one character.
3469 (SPELL_CHAR, SPELL_NONE): Temporarily reverse order.
3470 (struct token_spelling): Use const U_CHAR * rather than PTR.
3471 (expand_name_space): Fix up token pointers if name space
3472 is moved when expanding.
3473 (INIT_NAME, cpp_scan_line, parse_name, parse_number,
3474 parse_string2, save_comment, spell_token, cpp_output_list):
3475 Update so the routines handle tokens with a direct pointer to
3476 their text, rather than an offset into the token's list's namebuf.
3477 (_cpp_lex_line): Rearrange for clarity.
3479 * cpplib.c (_cpp_check_directive): Similarly.
3480 (do_define): Make SYM a pointer to const.
3481 * cpplib.h (struct cpp_name): Replace offset with direct pointer.
3482 (CPP_INT, CPP_FLOAT): Spelling type should be SPELL_IDENT.
3483 (TOK_OFFSET): Delete.
3486 2000-05-14 Geoffrey Keating <geoffk@cygnus.com>
3488 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Correct for
3491 * config/rs6000/rs6000.c (logical_operand): Rewrite to take MODE
3493 (logical_u_operand): Delete.
3494 (non_logical_cint_operand): Rewrite to take MODE into account.
3495 (non_logical_u_cint_operand): Delete.
3496 (boolean_operator): New function.
3497 (print_operand): Add new %q operand.
3498 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_operator,
3499 remove logical_u_operand and non_logical_u_cint_operand,
3500 update logical_operand and non_logical_cint_operand.
3501 * config/rs6000/rs6000.md: Rewrite the patterns for performing
3502 logical operations to use %q.
3504 * config/rs6000/rs6000.md (movsi): Don't modify RTL in-place.
3505 (movdi): Make similar to movsi.
3506 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): There
3507 is no such thing as a DImode CONST_DOUBLE.
3508 * config/rs6000/rs6000.c (output_toc): Likewise.
3510 * config/rs6000/rs6000.c (output_cbranch): Don't output prediction
3511 codes when old mnemonics are in use. Print register names
3512 for cc registers when requested.
3514 * optabs.c (expand_float): Don't allow mode widening that causes
3517 * invoke.texi (RS/6000 and PowerPC Options): Update -m64/-m32
3518 flags to their current names -maix64 and -maix32.
3520 2000-05-14 Bruce Korb <bkorb@gnu.org>
3522 * fixinc/fixfixes.c(wrap_fix): new fix - inserts text before
3523 and/or after current text of file
3524 * fixinc/fixlib.c(must_malloc):
3525 * fixinc/fixlib.h(must_malloc): + reformatting
3526 * fixinc/inclhack.def: replace the "1i" and "$a" sed commands
3527 with usages of ``c_fix = wrap;''
3528 Add several tests and use the ``c_fix = format'' fixer more.
3529 * fixinc/fixincl.x: regen
3530 * fixinc/check.diff: regen
3531 * fixinc/check.tpl: emit the associated header with the missing
3534 Sun May 14 17:58:59 2000 Hans-Peter Nilsson <hp@axis.com>
3536 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Do not use unset
3537 variables $src and $dst.
3539 2000-05-13 Gabriel Dos Reis <gdr@codesourcery.com>
3541 * diagnostic.h (DIAGNOSTICS_SHOW_PREFIX_ONCE): New macro.
3542 (DIAGNOSTICS_SHOW_PREFIX_NEVER): Likewise.
3543 (DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE): Likewise.
3544 (struct output_buffer: emitted_prefix_p, prefixing_rule): New
3546 (set_message_prefixing_rule): Declare.
3548 * diagnostic.c: (current_prefixing_rule): New variable.
3549 (set_message_prefixing_rule): Define.
3550 (output_set_prefix): Adjust buffer->emitted_prefix_p.
3551 (init_output_buffer): Adjust Initialization.
3552 (output_emit_prefix): Rewrite. Take prefixing rules into account.
3554 Sat May 13 11:05:47 2000 Philippe De Muyter <phdm@macqel.be>
3556 * ifcvt.c (if_convert): Do not free NULL.
3558 2000-05-12 Nick Clifton <nickc@cygnus.com>
3560 * config/fr30/fr30.c (fr30_move_double): New function: Emit code
3561 to move a double word value.
3562 (di_operand): New function: Return true if the operand is suitbale
3563 for a double word move operation.
3564 (nonimmediate_di_operand): New function: Return true if the
3565 operand is a DImode register or MEM.
3567 * config/fr30/fr30.h (PREDICATE_CODES): Add di_operand and
3568 nonimmediate_di_operand.
3570 * config/fr30/fr30-protos.h Add fr30_move_double, di_operand, and
3571 nonimmediate_di_operand.
3573 * config/fr30/fr30.md (movdi): New pattern. Required because
3574 other patterns generate DImode results.
3575 (movdi_insn): New pattern.
3577 2000-05-12 Richard Henderson <rth@cygnus.com>
3579 * config/alpha/alpha.c (struct shadow_summary): Define
3580 bitfields as type unsigned int.
3582 Sat May 13 00:09:59 2000 Denis Chertykov <denisc@overta.ru>
3584 * config/avr/t-avr: Added definition of FLOAT while generates
3587 * config/avr/avr.md: `NEXT_INSN (insn)' substituted to `insn' in
3588 peepholes for tst+jump = sbrs/sbrc optimization.
3590 Fry May 12 20:03:00 CEST 2000 Jan Hubicka <jh@suse.cz>
3592 * expr.c (emit_push_insn): Do not adjust stack pointer when
3595 Fri May 12 19:03:58 2000 Philippe De Muyter <phdm@macqel.be>
3597 * ggc-simple.c (offsetof): Macro fallback definition moved from here ..
3598 * system.h (offsetof): ... to here.
3600 2000-05-12 Richard Henderson <rth@cygnus.com>
3602 * Makefile.in (final.o): Depend on BASIC_BLOCK_H.
3603 * final.c (final_end_function): Use app_disable. Rearrange note
3604 handling into a switch. Emit deleted labels.
3605 (output_asm_label): Generate label strings for deleted labels.
3606 * flow.c (tail_recursion_label_list): New.
3607 (find_basic_blocks_1): Set label_value_list directly. Collect list
3608 of tail recursion labels from call_placeholders. Don't add deleted
3609 labels to the label value list.
3610 (cleanup_cfg): Use free_EXPR_LIST_list.
3611 (flow_delete_insn_chain): Turn non-removable labels into notes.
3612 (flow_delete_block): Don't disable deleting the block because of
3613 a non-removable label.
3614 (tail_recursion_label_p): New.
3615 (merge_blocks_move_predecessor_nojumps): Don't disable the merge
3617 (merge_blocks_move_successor_nojumps): Likewise. Also move a
3619 (merge_blocks): Disable a merge because of tail recursion labels.
3620 * ifcvt.c (merge_if_block): Don't disable a merge because of a label.
3621 Use a more accurate measure of not merging the join block.
3622 (find_if_block): Don't disable conversion because of a label.
3623 (find_if_case_1, find_if_case_2): Likewise.
3624 * jump.c (duplicate_loop_exit_test): Preserve the kind of list
3625 element when copying.
3626 (squeeze_notes): Also leave EH notes.
3627 (mark_jump_label): Ignore deleted labels. Use an INSN_LIST for
3629 (delete_insn): Preserve LABEL_NAME in NOTE_SOURCE_FILE when
3631 * print-rtl.c (print_rtx): Print NOTE_SOURCE_FILE for
3632 NOTE_INSN_DELETED_LABEL. Print `[# deleted]' for a label_ref
3633 referring to a deleted label. Convert tail handling to a switch.
3634 * rtl.def (CODE_LABEL): Rearrange elements to be compatible with NOTE
3635 for NOTE_INSN_DELETED_LABEL.
3636 (NOTE): Fix commentary.
3637 * rtl.h (REG_LABEL): Update commentary wrt INSN_LIST.
3638 (REG_CC_SETTER, REG_CC_USER, REG_LIBCALL): Likewise.
3639 (CODE_LABEL_NUMBER, LABEL_NAME): Update index.
3640 (LABEL_NUSES, LABEL_REFS): Likewise.
3641 * unroll.c (copy_loop_body): Don't copy NOTE_INSN_DELETED_LABEL.
3643 2000-05-12 Bruce Korb <bkorb@gnu.org>
3645 * fixinc/fixfixes.c(format_write): buglet & relaxed rules
3646 * fixinc/check.diff: updated
3647 * fixinc/inclhack.def: corrected & added some test_text-s
3648 * fixinc/genfixes: removed unneeded options to autogen invocation
3649 * fixinc/fixincl.tpl: Specified the output file
3650 * fixinc/fixfixes.c: visual appearance
3651 * fixinc/fixincl.x: regenerate
3653 2000-05-12 Zack Weinberg <zack@wolery.cumb.org>
3655 * fixinc/fixfixes.c (IO_use_fix, IO_defn_fix, CTRL_use_fix,
3656 CTRL_defn_fix): Delete.
3657 (fix_char_macro_defines, fix_char_macro_uses): Rename to
3658 char_macro_def_fix and char_macro_use_fix, respectively. Put
3659 them into the FIXUP_TABLE. Get the string to search for from
3662 (format_write): New function.
3663 (format_fix): Use it.
3665 (FIX_PROC_HEAD): Constify text parameter.
3666 (machine_name_fix): Constify all char *s.
3667 * fixtests.c (skip_quote): Remove double static.
3669 * inclhack.def (io_def_quotes, io_use_quotes, ctrl_def_quotes,
3670 ctrl_use_quotes): Update for new scheme.
3671 * fixincl.x: Regenerate.
3673 2000-05-12 Alexandre Oliva <aoliva@cygnus.com>
3675 * config/mn10300/mn10300.h (PREFERRED_DEBUGGING_TYPE): Redefine as
3677 (DWARF2_ASM_LINE_DEBUG_INFO): Define.
3678 (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
3680 2000-05-11 Robert Lipe <robertlipe@usa.net>
3682 * fixinc/inclhack.def (hpux8_bogus_inlines): Delete bypass for SCO.
3683 * fixincl.x: Regenerate.
3685 2000-05-11 Richard Henderson <rth@cygnus.com>
3687 * calls.c: Revert both 05-09 patches.
3689 2000-05-11 Alexandre Oliva <aoliva@cygnus.com>
3691 * config/mn10300/mn10300.c (print_operand): Print FP constants in
3693 * config/mn10300/mn10300.md (movsf, movdf): Use the `F' constraint
3696 * mklibgcc.in (EQ): Define it to an equal sign in the Makefile,
3697 and replace any occurrences of `=' in multilib dirs with `$(EQ)'.
3699 2000-05-11 Jason Merrill <jason@casey.cygnus.com>
3701 * fixinc/fixincl.c (run_compiles): Don't crash on null pz_machine.
3703 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
3705 * fixinc/fixfixes.c, fixinc/fixtests.c: Update commentary.
3707 Thu May 11 22:28:05 2000 Denis Chertykov <denisc@overta.ru>
3709 * config/avr/avr-protos.c (jump_over_one_insn_p): New declaration.
3710 * config/avr/avr.c (jump_over_one_insn_p): New function.
3711 * config/avr/avr.md: New peepholes added. Output test and
3712 conditional jump to "sbrc" or "sbrs" command.
3714 2000-05-11 Mark Elbrecht <snowball3@bigfoot.com>
3716 * cppmain.c (main): Use IS_DIR_SEPARATOR.
3718 2000-05-11 Jakub Jelinek <jakub@redhat.com>
3720 * except.c (find_exception_handler_labels_1): New function.
3721 (find_exception_handler_labels): Split into two functions, dive
3722 into CALL_PLACEHOLDERs when looking for exception handler labels.
3724 2000-05-11 Stan Cox <scox@cygnus.com>
3726 * regrename.c (replace_reg_in_block): Improve REG_DEAD handling.
3727 * timevar.def (TV_RENAME_REGISTERS): Move before TV_SCHED2.
3728 * toplev.c (rest_of_compilation): Call regrename_optimize before sched2.
3730 2000-05-11 Bruce Korb <bkorb@gnu.org>
3732 * fixinc/fixfixes.c (double_slash_fix): obsolete
3733 (else_endif_label_fix): obsolete
3734 (format_fix): new, unused as yet
3736 * fixinc/fixlib.h: added fix description struct for use by format_fix
3737 * fixinc/fixincl.c: removed the struct & test for SIGIOT befure using
3738 * fixinc/Makefile.in: compile fixfixes.c and fixtests.c as separate
3739 modules. Removed the vestiges of the script version.
3740 Added support for "make check".
3741 * fixinc/check.diff: base diff file (needs work!!)
3742 * fixinc/check.tpl: quiet the fixup output
3743 * fixinc/fixtests.c (main): obsolete
3744 * fixinc/fixincl.sh: don't bother copying fixincl to ..
3745 * fixinc/fixincl.tpl: provide for arguments to c_fix routines
3747 Thu May 11 11:57:02 MET DST 2000 Jan Hubicka <jh@suse.cz>
3749 * toplev.c (rest_of_compilation): Remove dead code after
3752 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
3754 * cpphash.c (collect_funlike_expansion): Make "# is not
3755 followed by a macro argument name" a pedwarn, not an error.
3756 Preserve the # in the output. Suppress the warning if lang_asm.
3758 Thu May 11 01:19:31 2000 Jeffrey A Law (law@cygnus.com)
3760 * configure.in (hppa*64*-*-hpux11*): New target for PA64 support.
3761 * configure: Rebuilt.
3763 2000-05-10 Laurynas Biveinis <lauras@softhome.net>
3765 * i386/xm-djgpp.h (XREF_FILE_NAME): Add mising brace.
3767 2000-05-10 Kazu Hirata <kazu@hxi.com>
3769 * combine.c (try_combine): Fix a typo.
3771 Wed May 10 21:31:44 2000 Jim Wilson <wilson@cygnus.com>
3773 * config/ia64/ia64.md (insv): Add comment.
3775 2000-05-10 Richard Henderson <rth@cygnus.com>
3777 * Makefile.in (libgcc.a, stmp-multilib): Depend on FPBIT and DPBIT.
3778 * mklibgcc.in: Rewrite to not use functions. Don't shortcut
3779 dependancies on FPBIT and DPBIT.
3781 2000-05-10 Nick Clifton <nickc@redhat.com>
3783 * flow.c (find_auto_inc): Do not bias REG_N_REFS by loop_depth
3784 when optimising for size.
3785 (mark_used_regs:) Ditto.
3786 (try_pre_increment_1): Ditto.
3788 2000-05-10 Zack Weinberg <zack@wolery.cumb.org>
3790 * cppexp.c (lex): Use %.*s to print non-NUL-terminated string.
3791 Make error message friendlier.
3793 * cpphash.h (struct hashnode): Use struct hack for name
3795 * cpphash.c (struct hashdummy): New.
3796 (eq_HASHNODE): Second argument is a hashdummy, not a HASHNODE.
3797 (make_HASHNODE): No need to set ->name pointer. Correct
3799 (cpp_lookup): Make 'dummy' a struct hashdummy. Tidy up a bit.
3801 2000-05-10 Richard Henderson <rth@cygnus.com>
3803 * flow.c (find_basic_blocks_1): Remove any spare bb_note
3806 2000-05-10 Bruce Korb <bkorb@gnu.org>
3808 * fixinc/gnu-regex.c: reg_syntax_t re_syntax_options must be static
3810 2000-05-10 Eric Schweitz <schweitz@nortelnetworks.com>
3812 * dwarfout.c (dwarfout_finish): Call retry_incomplete_types
3813 after we enter .debug.
3815 2000-05-10 Jason Merrill <jason@casey.cygnus.com>
3817 * dwarf2out.c (gen_subprogram_die): Fixup die_parent for the
3818 abstract instance of a nested inline function.
3820 * stor-layout.c (finish_record_layout): finalize_type_size
3821 before laying out the pending_statics.
3823 Wed 10 May 09:36:47 2000 Neil Booth <NeilB@earthling.net>
3825 * cpplex.c (spell_token): New function.
3826 (spell_string, spell_comment, spell_name): fold into
3829 (E, H): Remove macros.
3830 (save_comment): Save comment opening characters too.
3831 (_cpp_lex_file): Update to use spell_token. Tidy up comment
3833 * cpplib.h (I, S): Add macros.
3834 (E, H): Remove macros.
3835 (TTYPE_TABLE): Update entries for new speller.
3836 (SYNTAX_ASSERT): Remove.
3838 Wed 10 May 09:08:30 2000 Neil Booth <NeilB@earthling.net>
3840 * cpplex.c (_cpp_lex_line): Maintain PREV_WHITESPACE flag
3841 when removing escaped newlines. Reverse sense of test for
3844 2000-05-09 Richard Henderson <rth@cygnus.com>
3846 * flow.c (find_basic_blocks_1): Do not delete the first
3847 bb_note we run across.
3848 (create_basic_block): Use reorder_insns to move an existing
3849 bb_note to the correct place.
3851 2000-05-09 Richard Henderson <rth@cygnus.com>
3853 * calls.c (expand_call): Increment currently_expanding_call
3854 before calling optimize_tail_recursion.
3856 Tue May 9 18:54:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3858 * reload1.c (reload_combine): Fix errors in last change.
3860 2000-05-09 Zack Weinberg <zack@wolery.cumb.org>
3862 * gcc.c (used_arg): Skip over a semicolon at the end of the
3863 split-up loop; don't break out of it.
3865 * Makefile.in (WARN_CFLAGS): Add -Wwrite-strings.
3866 (tree.o): Depend on output.h.
3868 * c-decl.c (pending_invalid_xref_file,
3869 current_function_prototype_file): Constify.
3870 (pushdecl): Constify a local char *.
3871 (define_label): Constify filename parameter.
3872 * c-lex.c (init_parse): Constify parameter and return value.
3873 * c-typeck.c (c_expand_asm_operands): Constify filename parameter.
3874 * c-tree.h: Update prototypes.
3875 * c-parse.in: Constify filename member of %union, and if_stmt_file.
3876 * c-parse.y, c-parse.c, c-parse.h, objc/objc-parse.y,
3877 objc/objc-parse.c: Regenerate.
3879 * dwarfout.c (dwarfout_init): Constify main_input_filename parameter.
3880 * dwarfout.h: Update prototypes.
3881 * expr.c (expand_expr): Constify a local char *.
3882 * flags.h: Constify main_input_filename.
3883 * function.c (expand_function_end): Constify filename parameter.
3884 * genrecog.c (make_insn_sequence): Use a character array for
3886 (main): Remove unused variables.
3887 * input.h: Constify input_filename, main_input_filename, and
3888 file_stack.name. Update prototypes.
3889 * output.h: Declare first_global_object_name and
3890 weak_global_object_name here, as const char *.
3891 * stmt.c (expand_asm_operands): Constify filename parameter.
3892 * toplev.c (compile_file, push_srcloc, debug_start_source_file):
3893 Constify filename parameter.
3894 (input_filename, main_input_filename): Constify.
3895 * toplev.h: Update prototypes.
3896 * tree.c: Include output.h. Don't declare
3897 first_global_object_name or weak_global_object_name. Clean up string
3898 bashing in get_file_function_name_long.
3899 * tree.h (struct tree_decl): Constify filename member.
3900 (input_filename): Constify.
3902 * varasm.c (first_global_object_name, weak_global_object_name):
3904 (assemble_start_function, assemble_variable): Clean up string bashing.
3906 * gcc.c: Constify all spec-related strings initialized,
3907 transitively, from string constants. Constify all strings
3908 and string variables related to multilibs.
3909 (set_spec, read_specs): Cast argument to free to PTR.
3910 (used_arg): Do not modify multilib_matches. Use strncmp plus
3911 length comparison to compare multilib switches.
3912 * genmultilib: Constify everything declared in multilib.h.
3914 Tue May 9 22:28:03 2000 Denis Chertykov <denisc@overta.ru>
3916 * flow.c (flow_delete_insn): Use INSN_DELETED_P for marking insn
3919 Tue May 9 20:52:43 2000 Denis Chertykov <denisc@overta.ru>
3921 * config/avr/avr-protos.h (extra_constraint): change a type of
3922 second argument from char to int to avoid warnings.
3923 (asm_output_byte): Likewise.
3925 * config/avr/avr.c (MAX_LD_OFFSET) New macro.
3926 (initial_elimination_offset): Handle elimination from
3927 FRAME_POINTER_REGNUM to STACK_POINTER_REGNUM.
3928 (legitimate_address_p): Use MAX_LD_OFFSET.
3929 (legitimize_address): Likewise.
3930 (out_movqi_r_mr): Likewise.
3931 (out_movhi_r_mr): Likewise, use `fatal_insn' instead of `fatal'.
3932 (out_movsi_r_mr): Use MAX_LD_OFFSET.
3933 (out_movsi_mr_r): Likewise.
3934 (out_movqi_mr_r): Likewise.
3935 (out_movhi_mr_r): Likewise.
3936 (notice_update_cc): Correct CC for the ashrqi3 with the shift
3937 count as CONST_INT != 6.
3938 (ashlqi3_out): Coding style modifications. Run `fatal_insn' if
3939 shift count is a CONSTANT_P, but not a CONST_INT.
3940 (ashlhi3_out): Coding style modifications.
3941 (ashlsi3_out): Likewise.
3942 (ashrhi3_out): Likewise.
3943 (ashrsi3_out): Likewise.
3944 (lshrhi3_out): Likewise.
3945 (lshrsi3_out): Likewise.
3946 (ashrqi3_out): Generate shift for any known constant count without
3947 scratch register. Run `fatal_insn' if shift count is a CONSTANT_P,
3948 but not a CONST_INT.
3949 (lshrqi3_out): Coding style modifications. Run `fatal_insn' if
3950 shift count is a CONSTANT_P, but not a CONST_INT.
3951 (extra_constraint): change a type of
3952 second argument from char to int to avoid warnings.
3953 (asm_output_byte): Likewise.
3954 (asm_file_end): Output size generated commands count as a hex
3957 * config/avr/avr.h (RETURN_ADDR_RTX): New macro.
3959 * config/avr/avr.md (addhi3): Fragment commented by &&0 is
3961 (ashlqi3): Values of "length" attribute changed. Shift count
3962 uses constraints 'n' instead of 'i'.
3963 (ashrqi3): Likewise. Values of "cc" attribute changed. Generate
3964 shifts without clobber register.
3965 (lshrqi3): Shift count uses constraints 'n' instead of 'i'.
3966 (call_insn): Correct test for which_alternative == 1 (was 0).
3967 (call_value_insn): Likewise.
3969 * config/avr/t-avr: Remove definition of FLOAT while generates
3972 2000-05-09 Bruce Korb <bkorb@gnu.org>
3974 * fixinc/check.tpl: Template for checking fixes
3975 * fixinc/inclhack.def: Added 'test_text' for many fixes
3976 disable hpux8_bogus_inlines on SCO
3977 * fixinc/fixinc.sco: Oh, yes, we don't need this any more.
3979 Tue May 9 16:30:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
3981 * calls.c (expand_call): Reorganize somewhat in order
3982 to avoid unnecesary recalculation inside loop and make
3983 tail call failure code cleaner.
3985 Tue May 9 06:30:20 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3987 * alias.c (nonlocal_reference_p): Minor reformatting.
3988 * reload.c (find_equiv_reg): Simplify logic for
3989 CALL_INSN_FUNCTION_USAGE since can't have SUBREG or pseudos and
3990 some some reformatting.
3991 * reload1.c (reload_combine): Don't assume everything in
3992 CALL_INSN_FUNCTION_USAGE is a REG and clean up code a bit.
3994 2000-05-08 Richard Henderson <rth@cygnus.com>
3996 * final.c (current_insn_predicate): New.
3997 (final_scan_insn): Set it.
3998 * output.h (current_insn_predicate): Declare.
4000 * ifcvt.c (cond_exec_process_insns): New argument prob_val.
4001 Attach it to call insns.
4002 (cond_exec_process_if_block): Track probability for true and
4004 (dead_or_predicable): Likewise.
4006 * predict.c (PROB_NEVER, PROB_VERY_UNLIKELY): New.
4007 (PROB_UNLIKELY, PROB_EVEN, PROB_LIKELY): New.
4008 (PROB_VERY_LIKELY, PROB_ALWAYS): New.
4009 (estimate_probability, expected_value_to_br_prob): Use them.
4011 * config/ia64/ia64-protos.h (ia64_expand_prediction): Declare.
4012 * config/ia64/ia64.c (ia64_print_operand_address): Handle 'j'.
4013 (ia64_expand_prediction): New.
4014 (emit_insn_group_barriers): Don't look at notes. Emit barriers
4015 as needed after calls.
4016 (ia64_epilogue_uses): Mark b0 used.
4017 * config/ia64/ia64.md (beq_true, beq_false): Remove.
4018 (bne_true, bne_false): Remove.
4019 (eq_return, eq_not_return, ne_return, ne_not_return): Remove.
4020 (br_true, br_false): New. Use predicate_operator and
4021 ia64_expand_prediction.
4022 (return_true, return_false): Likewise.
4023 (call_internal): Use ia64_expand_prediction. Don't emit stop bit.
4024 (call_internal1, call_value_internal): Likewise.
4025 (call_value_internal1, call_multiple_values_internal1): Likewise.
4027 * config/ia64/ia64.c (ia64_direct_return): Require frame size zero.
4029 * config/ia64/ia64.md (extendsfdf2): Split only after reload.
4031 2000-05-08 Richard Henderson <rth@cygnus.com>
4033 * rtlanal.c (may_trap_p): Consider old-style and volatile
4036 Mon May 8 17:16:48 2000 Jim Wilson <wilson@cygnus.com>
4038 * config/ia64/ia64.h (RETURN_ADDR_RTX): Use COUNT not count.
4040 2000-05-08 Richard Henderson <rth@cygnus.com>
4042 * config/ia64/ia64.h (predicate_operator): Declare.
4044 * config/ia64/ia64.md (extendsfdf2): Split the nop case out
4047 * gensupport.c (process_rtx): Copy and post-process each member
4048 of the define_insn rtvec individually.
4050 Mon 8 May 22:17:35 2000 Neil Booth <NeilB@earthling.net>
4052 * cpplex.c (spell_token): New function.
4053 (TOKEN_LEN): Add 1 for whitespace.
4054 (_cpp_lex_file): Update to use spell_token.
4055 * cpplib.h (E): Remove.
4056 (TTYPE_TABLE): Update CPP_VSPACE entry.
4058 2000-05-08 Richard Henderson <rth@cygnus.com>
4060 * flow.c (init_propagate_block_info): Watch out for conditional
4061 branch to next instruction, and thus one outgoing edge.
4063 * config/ia64/ia64.c (ia64_encode_section_info): Exit early
4064 for global register variables; don't special case __[CD]TOR_LIST__;
4065 mind ggc_p for string allocation.
4067 2000-05-08 Nick Clifton <nickc@cygnus.com>
4069 * config/i386/i386.h (ELIMINABLE_REGS): Fix comment.
4071 2000-05-08 Bruce Korb <bkorb@gnu.org>
4073 * fixinc/mkfixinc.sh: fixinc.sco is no longer used
4074 i?86-*-msdosdjgpp* no longer uses fixincludes
4075 * fixinc/genfixes: inclhack.sh and fixincl.sh are no longer generated
4076 * fixinc/inclhack.sh: deleted
4077 * fixinc/hackshell.tpl: deleted
4078 * fixinc/inclhack.tpl: deleted
4079 * fixinc/Makefile.in: Remove dependencies on above
4080 * fixinc/fixincl.sh: "DO NOT EDIT" text modified
4082 2000-05-08 Andreas Jaeger <aj@suse.de>
4084 * config/mips/linux.h: Remove undefines which disabled .ctor/.dtor
4087 2000-05-07 Zack Weinberg <zack@wolery.cumb.org>
4089 * Makefile.in (LOOSE_CFLAGS): Add /g modifiers to both sed
4092 Sun 7 May 08:43:53 2000 Neil Booth <NeilB@earthling.net>
4094 * cpplex.c: Move new lexer definitions and prototypes
4095 to top. Conditional include these and the code if
4096 NEW_LEXER is defined. Rename functions whose names
4097 clash if this code included.
4099 Sun May 7 00:54:57 EDT 2000 John Wehle (john@feith.com)
4101 * rtl.def (COND_EXEC): Clarify.
4103 * i386.md (extendsidi2): Clobber (reg:CC 17) in the
4104 same fashion as zero_extendsidi2.
4106 2000-05-06 Richard Henderson <rth@cygnus.com>
4108 * config/ia64/ia64.c (predicate_operator): New.
4109 (ia64_print_operand): Handle 'J'.
4110 (rtx_needs_barrier): Handle COND_EXEC.
4111 * config/ia64/ia64.h (BRANCH_COST): Define.
4112 (PREDICATE_CODES): Update.
4113 * config/ia64/ia64.md: Docuement used unspec values.
4114 (attr predicable): New.
4115 (movxf, movxf_internal): New.
4116 (extendsfdf2): Don't comment out nop.
4117 (floatdidf2): Remove.
4118 (truncxfsf2, truncxfdf2, floatdixf2): New.
4119 (abssi2, absdi2): Put the neg in the "true" slot.
4120 (conditional branch instructions): Mark not predicable.
4121 (cmov*_internal): Use predicate_operator. Split to cond_exec.
4122 (abs*_internal): Likewise.
4123 (alloc, set_bsp): Mark not predicable.
4124 (barrier, insn_group_barrier, flush_cache): Likewise.
4125 (define_cond_exec): New.
4127 2000-05-06 Richard Henderson <rth@cygnus.com>
4129 * c-decl.c: Include "tm_p.h".
4131 * config/ia64/ia64-protos.h: Rearrange decls to reduce ifdef madness.
4132 (fetchadd_operand, ia64_expand_fetch_and_op): Declare.
4133 (ia64_expand_op_and_fetch): Declare.
4134 * config/ia64/ia64.c: Include "toplev.h". Kill trailing whitespace.
4135 (setjmp_operand): Constify variables for XSTR.
4136 (ia64_encode_section_info): Likewise.
4137 (ia64_print_operand): Use %d for exact_log2; cast 32-bit printed
4139 (ia64_asm_output_external): Constify name.
4140 (process_set): Use HOST_WIDE_INT_PRINT_DEC for frame size.
4141 (process_for_unwind_directive): Provide switch default.
4142 (ia64_expand_compare_and_swap): Remove unused variables.
4143 (ia64_expand_builtin): Likewise.
4144 * config/ia64/ia64.h (ASM_OUTPUT_BYTE): Mask and cast value to int
4147 * config/ia64/ia64.c (sdata_symbolic_operand): Mark unused args.
4148 (symbolic_operand, function_operand, setjmp_operand): Likewise.
4149 (shift_count_operand, shift_32bit_count_operand): Likewise.
4150 (shladd_operand, fetchadd_operand, ia64_function_prologue): Likewise.
4151 (ia64_function_epilogue, ia64_setup_incoming_varargs): Likewise.
4152 (ia64_function_arg_partial_nregs, ia64_function_value): Likewise.
4153 (ia64_print_operand_address, ia64_secondary_reload_class): Likewise.
4154 (ia64_expand_builtin): Likewise.
4155 (call_multiple_values_operation): Make dest_regno unsigned.
4157 2000-05-06 Richard Henderson <rth@cygnus.com>
4159 * rtl.def (DEFINE_COND_EXEC): New.
4160 * md.texi: Document it.
4162 * gensupport.c (input_file): Remove.
4163 (struct queue_elem): Add lineno.
4164 (rtx_ready_queue): Remove.
4166 (predicable_default): New.
4167 (predicable_true, predicable_false): New.
4168 (define_attr_queue, define_attr_tail): New.
4169 (define_insn_queue, define_insn_tail): New.
4170 (define_cond_exec_queue, define_cond_exec_tail): New.
4171 (other_queue, other_tail): New.
4172 (queue_pattern): New.
4173 (process_rtx): Add patterns to the appropriate queues.
4174 (is_predicable, identify_predicable_attribute): New.
4175 (n_alternatives, collect_insn_data): New.
4176 (alter_predicate_for_insn, alter_test_for_insn): New.
4177 (shift_output_template, alter_output_for_insn): New.
4178 (process_one_cond_exec, process_define_cond_exec): New.
4179 (init_md_reader): Read the entire file. Process define_cond_exec.
4180 (read_md_rtx): Return elements from the queues.
4182 2000-05-06 Richard Henderson <rth@cygnus.com>
4184 * flow.c (mark_set_1): Don't update conditional life info
4185 if the register is not_dead.
4187 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
4189 * Makefile.in (STAGESTUFF): Add genrtl.c and genrtl.h.
4190 (mostlyclean): Also delete fixincl, fixinc.sh, and
4191 specs.ready, and make clean in the fixinc subdir.
4193 2000-05-06 Richard Henderson <rth@cygnus.com>
4195 * Makefile.in (gensupport.o): Compile for the host.
4196 (host-prefix gensuuprt.o): Remove.
4197 (genflags.o): Depend on gensupport.h and OBSTACK_H.
4198 (genattrtab.o): Likewise.
4199 (gencodes.o): Depend on gensupport.h.
4200 (genemit.o, genopinit.o, genrecog.o, genextract.o): Likewise.
4201 (genpeep.o, genattr.o, genoutput.o): Likewise.
4203 * gensupport.c (obstack, rtl_obstack): New.
4204 (init_md_reader): Initialize rtl_obstack.
4205 * gensupport.h (rtl_obstack): Declare.
4206 (message_with_line): Declare.
4208 * genattr.c: Remove all traces of obstack manipulation.
4209 * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
4210 * genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise.
4212 * genattrtab.c (obstack, rtl_obstack): Remove.
4213 (main): Don't init rtl_obstack.
4214 * genflags.c: Likewise.
4216 * genrecog.c (message_with_line): Move ...
4217 * gensupport.c: ... here.
4219 2000-05-06 Richard Henderson <rth@cygnus.com>
4221 * c-typeck.c (build_c_cast): Remove dead code.
4223 2000-05-06 Richard Henderson <rth@cygnus.com>
4225 * flow.c (split_edge): Don't allocate global_live_at_start for
4226 the new block unless the old blocks had them as well.
4228 * flow.c (mark_set_1): Respect not_dead when updating reg_live.
4230 * ifcvt.c (noce_process_if_block): Don't use an insn_b from
4231 test_bb if a or b uses x.
4233 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
4235 * cpphash.h: Remove conditional #define of __extension__.
4236 * rtl.h: Add __extension__ to RTL_CHECK1, RTL_CHECK2,
4237 RTL_CHECKC1, RTL_CHECKC2, and RTVEC_ELT macros
4238 (ENABLE_RTL_CHECKING only).
4239 * tree.h: Add __extension__ to TREE_CHECK, TREE_CLASS_CHECK,
4240 CST_OR_CONSTRUCTOR_CHECK, and EXPR_CHECK macros
4241 (ENABLE_TREE_CHECKING only).
4242 * varray.h: Add __extension__ to VARRAY_CHECK macro
4243 (ENABLE_CHECKING only).
4245 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
4247 Use new tail-calling mechanism on ARM.
4248 * arm.md (sibcall, sibcall_value): New expands.
4249 (sibcall_insn, sibcall_value_insn, sibcall_epilogue): New insns.
4250 (tailcalling peepholes): Delete.
4251 (push_multi): Simplify.
4252 * arm.c (lr_save_eliminated): Delete definition.
4253 (pattern_really_clobbers_lr, function_really_clobbers_lr): Delete.
4254 (output_return_instruction): Remove checks on lr_save_eliminated.
4255 (output_arm_prologue): Remove old tail-calling code.
4256 (arm_output_epilogue): New parameter, really_return. All callers
4257 changed. Handle tail-calling epilogues.
4258 * arm.h (lr_save_eliminated): Delete declaration.
4259 (frame_pointer_needed): Delete declaration.
4260 * arm-protos.h (arm_output_epilogue): Adjust prototype.
4262 * arm.md (is_thumb): Examine symbol thumb_code, not expression
4264 * arm.c (thumb_code): Define it.
4265 (arm_override_options): Set it.
4266 * arm.h (thumb_code): Declare it.
4268 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
4270 * arm-protos.h (arm_dllexport_name_p, arm_dllimport_name_p): Constify.
4272 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
4274 * arm.c (arm_gen_load_multiple, arm_gen_store_mulitple): Don't add
4275 bogus clobber to insns.
4276 (load_multiple_operation, store_mulitple_operation): Don't check
4278 * arm.md (ldmsi_postinc, stmsi_postinc): Adjust accordingly.
4280 * arm.md (and_scc, ior_scc): Add missing mode.
4282 * arm.md (call_value_symbol): Remove predicate from op2.
4284 * arm.h (SPECIAL_MODE_PREDICATES): Define.
4286 Sat May 6 06:25:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4288 * expr.c (get_subtarget): New function.
4289 (force_operand, expand_expr, do_store_flag): Use it.
4291 * toplev.c (compile_file): Don't take strlen of NAME if null.
4293 2000-05-06 David Edelsohn <edelsohn@gnu.org>
4295 * xcoffout.c (xcoff_current_include_file,
4296 xcoff_current_function_file, xcoff_lastfile): Constify char *.
4297 (xcoffout_source_file, xcoffout_source_line): Make filename 'const
4299 (xcoffout_declare_function): Make name 'const char *'.
4300 (xcoffout_end_epilogue): Make fname 'const char *'
4301 * xcoffout.h (xcoff_current_include_file, xcoff_lastfile,
4302 xcoffout_declare_function, xcoffout_source_line): Match above.
4304 * aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -mpowerpc64 without
4306 * rs6000.c (print_operand): Fix lossage typo.
4307 (output_cbranch): Remove "cr" decoration for now.
4308 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): Make alias 'const char *'.
4310 Sat May 6 06:55:32 2000 Denis Chertykov <denisc@overta.ru>
4312 * config/avr/avr.c (out_shift_with_cnt): Bugfix for shift by
4315 2000-05-05 Bruce Korb <bkorb@gnu.org>
4317 * fixinc/genfixes: Improve the matching for make target names
4319 2000-05-05 Catherine Moore <clm@cygnus.com>
4321 * c-common.c (decl_attributes): For TYPE_DECLs attach the
4322 attribute to the decl.
4323 * c-decl.c (pushdecl): Propagate the USED attribute to the
4326 2000-05-05 Richard Henderson <rth@cygnus.com>
4328 * rtlanal.c (reg_overlap_mentioned_p): Treat parallels in the
4329 same way emit_group_load does.
4331 2000-05-05 Mark Elbrecht <snowball3@bigfoot.com>
4333 * gcc.c (set_input) [HAVE_DOS_STYLE_FILE_SYSTEM]: Skip drive name.
4335 * toplev.c (output_file_directive): Use IS_DIR_SEPARATOR.
4338 2000-05-05 Rodney Brown <RodneyBrown@mynd.com>
4340 * pa.h (FUNCTION_ARG_ADVANCE): Warning removal.
4342 Fri May 5 10:29:21 2000 Marc Espie <espie@cvs.openbsd.org>
4344 * config/openbsd.h (LINK_SPEC): pass correct flags to ld
4345 to support -shared, on platforms with dynamic libraries.
4347 Fri May 5 10:27:06 2000 Philippe De Muyter <phdm@macqel.be>
4349 * system.h (S_ISBLK): Provide fallback definition.
4351 2000-05-05 Geoff Berry <geoffb@bops.com>
4353 * extend.texi (Extended Asm): Document inability to give asm
4354 statements access to condition codes.
4356 2000-05-05 Marek Michalkiewicz <marekm@linux.org.pl>
4358 * varasm.c (asm_emit_uninitialised): Use 0, not NULL
4359 as arg 2 of UNIQUE_SECTION.
4361 Fri May 5 10:11:41 2000 Jeffrey A Law (law@cygnus.com)
4363 * predict.c: Remove May 4 change.
4364 * bb-reorder.c (make_reorder_chain): Do not perform block movement
4365 if we have predicted the branch at 50-50 probability.
4367 2000-05-05 Richard Henderson <rth@cygnus.com>
4369 * flow.c (init_propagate_block_info): Fix merge error
4370 in HAVE_conditional_execution code.
4372 Fri May 5 07:43:50 2000 Denis Chertykov <denisc@overta.ru>
4374 * config/avr/avr.c (out_shift_with_cnt): Genetare a more optimal
4375 shift cycle for unknown shift count. Also generates dec + brpl.
4376 (ashlqi3_out): Don't generate dec + brpl which now generates by
4377 `out_shift_with_cnt'.
4378 (ashlhi3_out): Likewise.
4379 (ashlsi3_out): Likewise.
4380 (ashrqi3_out): Likewise.
4381 (ashrhi3_out): Likewise.
4382 (ashrsi3_out): Likewise.
4383 (lshrqi3_out): Likewise.
4384 (lshrhi3_out): Likewise.
4385 (lshrsi3_out): Likewise.
4387 2000-05-04 Mark Elbrecht <snowball3@bigfoot.com>
4389 * gcc.c (free_split_directories): Correct typo in explanation
4390 of make_relative_prefix.
4392 2000-05-04 Geoff Keating <geoffk@cygnus.com>
4394 * config/rs6000/rs6000.h (PREDICATE_CODES): Add floating-point
4395 comparison codes to branch_comparison_operator.
4397 2000-05-04 Richard Henderson <rth@cygnus.com>
4399 * ifcvt.c (noce_process_if_block): Always reset X in the A == B case.
4401 2000-05-04 Richard Henderson <rth@cygnus.com>
4403 * Makefile.in (FPBIT_FUNCS): Remove _df_to_usi.
4404 (DPBIT_FUNCS): Remove _sf_to_usi.
4405 (stmp-multilib): Pass LIB1ASMSRC to libgcc.mk.
4407 * ifcvt.c (noce_process_if_block): Fail if A or B modified
4408 between condition and jump.
4410 * libgcc2.c (near eh_context_specific): Comment #endif string.
4411 * longlong.h: Don't use strings with embedded newlines.
4413 2000-05-04 Geoff Keating <geoffk@cygnus.com>
4415 * config/rs6000/rs6000-protos.h: Add output_cbranch.
4416 * config/rs6000/rs6000.c (ccr_bit_negated_p): Delete.
4417 (print_operand): Delete %t and %T codes.
4418 (output_cbranch): New function. Support branch prediction.
4419 * config/rs6000/rs6000.md: Use output_cbranch for
4420 conditional branches and returns.
4422 2000-05-04 Jason Merrill <jason@casey.cygnus.com>
4424 * simplify-rtx.c (simplify_ternary_operation): Cast to unsigned.
4425 * stor-layout.c (place_field): Likewise.
4426 * integrate.h (struct inline_remap): Make regno_pointer_align unsigned.
4427 * expr.c (store_expr): Make align unsigned.
4428 * explow.c (plus_constant_wide): Make low words unsigned.
4429 * expmed.c (choose_multiplier): Likewise.
4430 * fold-const.c (fold): Likewise.
4431 * tree.h (build_int_2): Likewise.
4432 * tree.c (build_int_2_wide, tree_int_cst_msb): Likewise.
4433 * emit-rtl.c (gen_reg_rtx): Add cast to unsigned char*.
4434 (init_emit): Change cast to unsigned char*.
4435 * varasm.c (compare_constant_1): Add cast to char*.
4436 * gcse.c (delete_null_pointer_checks): Change cast to unsigned int*.
4437 * reload1.c (reload): Likewise.
4439 * rtl.h (MEM_SET_IN_STRUCT_P): Use do { } while (0).
4441 Thu May 4 14:37:23 2000 Jeffrey A Law (law@cygnus.com)
4443 * predict.c (estimate_probability): If no prediction was found, then
4444 predict the successor that is the next physical block (if such a
4447 2000-05-04 Richard Henderson <rth@cygnus.com>
4449 * config/alpha/t-alpha (LIB2FUNCS_EXTRA): Use qrrnd.asm in place.
4451 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4453 * system.h: Don't wrap <sys/types.h> with HAVE_SYS_TYPES_H.
4455 2000-05-04 Mumit Khan <khan@xraylith.wisc.edu>
4457 * i386/cygwin.h (CPP_PREDEFINES): Don't define __STDC__. Move
4458 attribute macros from here ...
4459 (CPP_SPEC): to here.
4460 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
4461 (CPP_SPEC): Likewise.
4462 * i386/crtdll.h (CPP_PREDEFINES): Delete attribute macros.
4464 * Makefile.in ($(HOST_PREFIX_1)gensupport.o): Add build rule.
4465 (libgcc.a): Pass LIB1ASMSRC to libgcc.mk.
4467 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4469 * bb-reorder.c (get_next_bb_note, get_prev_bb_note): Prototype.
4471 * diagnostic (vbuild_message_string, build_message_string,
4472 build_location_prefix, output_get_prefix, init_output_buffer,
4473 output_notice, vline_wrapper_message_with_location,
4474 v_message_with_decl, default_print_error_function): De-constify.
4475 (set_real_maximum_length): Prototype.
4477 * diagnostic.h (struct output_buffer, init_output_buffer,
4478 output_get_prefix, output_set_prefix): De-constify.
4480 * function.c (init_function_start): Constify.
4482 * gensupport.c (remove_constraints, process_rtx): Prototype.
4484 * gthr-posix.h: Indent uses of #pragma.
4486 * objc/objc-act.c (ggc_mark_imp_list, ggc_mark_hash_table):
4489 * predict.c (find_expected_value): Delete prototype.
4490 (expected_value_to_br_prob): Initialize variable `ev_reg'.
4492 * sbitmap.h (debug_sbitmap): Prototype.
4494 * ssa.c (compute_coalesced_reg_partition): Prototype.
4496 * stor-layout.c (debug_rli): Prototype.
4498 * tree.h (round_down): Prototype.
4499 (init_function_start): Constify.
4501 2000-05-04 Zack Weinberg <zack@wolery.cumb.org>
4503 * cpphash.h: #define __extension__ away if GCC_VERSION < 2095
4504 (overly conservative). Change extern inline wrappers to
4505 static inline, define them always, use PARAMS properly.
4506 * cpplex.c (_cpp_get_directive_token): Don't issue pedantic
4507 whitespace warnings for \f and \v at the beginning of a line.
4509 Thu May 4 10:03:50 2000 Jeffrey A Law (law@cygnus.com)
4511 * haifa-sched.c (schedule_insns): Free the flow edge list when it
4514 2000-05-04 Bruce Korb <bkorb@gnu.org>
4516 * fixincl/inclhack.def: added broken_cabs -
4517 Remove `extern double cabs' declarations from math.h
4518 * fixincl/inclhack.sh: regen
4519 * fixincl/fixincl.x: regen
4520 * fixincl/fixincl.c: Remove BOGOSITY code
4521 * fixincl/mkfixinc.sh: Remove code for installing "shell" version
4523 Thu May 4 09:45:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4525 * rtl.h (MEM_COPY_ATTRIBUTES): Also copy RTX_UNCHANGING_P and
4527 * alias.c (canon_rtx): Don't copy RTX_UNCHANGING_P or MEM_ALIAS_SET
4528 when calling MEM_COPY_ATTRIBUTES.
4529 * emit-rtl.c (operand_subword, change_address): Likewise.
4530 * explow.c (stabilize): Likewise.
4531 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
4532 * integrate.c (copy_rtx_and_substitute): Likewise.
4533 * combine.c (combine_simplify_rtx): Don't copy RTX_UNCHANGING_P
4534 when calling MEM_COPY_ATTRIBUTES.
4535 (make_extraction, simplify_shift_const, gen_lowpart_for_combine):
4537 * cse.c (gen_lowpart_if_possible): Likewise.
4538 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
4539 * optabs.c (gen_move_insn): Likewise.
4540 * recog.c (validate_replace_rtx_1): Likewise.
4541 * simplify-rtx.c (add_mem_for_addr): Likewise.
4542 * stmt.c (expand_anon_union_decl): Likewise.
4543 * config/arm/arm.md: Likewise.
4544 * config/h8300/h7300.c (fix_bit_operand): Likewise.
4545 * config/m88k/m88k.c (legitimize_address, block_move_loop): Likewise.
4546 (block_move_no_loop, block_move_sequence): Likewise.
4547 * config/rs6000/rs6000.c (expand_block_move_mem): Likewise.
4548 * config/alpha/alpha.c (get_aligned_mem): Likewise.
4549 Clear MEM_ALIAS_SET.
4550 * final.c (alter_subreg): Don't copy MEM_ALIAS_SET when calling
4551 MEM_COPY_ATTRIBUTES.
4553 2000-05-03 Robert Lipe <robertlipe@usa.net>
4555 * configure.in (i[34567]86-*-isc*) [tmake_file]: Add t-i386bare
4556 to suppress libgcc1.
4557 (i[34567]86-*-sco3.2v5*) Likewise.
4558 (i[34567]86-*-sco3.2v4*) Likewise.
4559 (i[34567]86-*-sco) Likewise.
4560 (i[34567]86-*-solaris2) Likewise.
4561 (i[34567]86-*-sysv5*) Likewise.
4562 (i[34567]86-*-sysv4*) Likewise.
4563 (i[34567]86-*-udk*) Likewise.
4564 (i[34567]86-*-sysv*) Likewise.
4566 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
4568 * cpphash.h (U): New define, to correct type of string constants.
4569 (ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr): New wrapper
4570 routines, to do casts when passing unsigned strings to libc.
4571 * cppexp.c, cppfiles.c, cpphash.c, cppinit.c, cpplib.c: Use them.
4573 * cppfiles.c (_cpp_execute_include): Make filename an U_CHAR *.
4574 * cpphash.c (_cpp_quote_string): Make string an U_CHAR *.
4575 * cppinit.c (dump_special_to_buffer): Make macro name an U_CHAR *.
4576 * cpplex.c (parse_ifdef, parse_include, validate_else): Make
4577 second argument an U_CHAR *.
4579 * cppinit.c (builtin_array): Make name and value U_CHAR *, add
4580 length field, clean up initializer.
4581 (ISTABLE): Add __extension__ to designated-
4582 initializers version.
4583 * cpplex.c (CHARTAB): Likewise.
4585 * mbchar.c: Add dummy external declaration to the !MULTIBYTE_CHARS
4586 case so the file won't be empty.
4588 Wed May 3 21:01:46 2000 Jason Eckhardt <jle@cygnus.com>
4590 * bb-reorder.c (struct reorder_block_def): Member succ removed.
4591 (REORDER_BLOCK_SUCC): Removed.
4592 (enum reorder_skip_type): Removed.
4593 (skip_insns_between_block): Renamed to skip_insns_after_block.
4594 Removed second argument. Removed dead code and cleaned up.
4595 (make_reorder_chain): Removed use of REORDER_BLOCK_SUCC.
4596 (reorder_basic_blocks): Remove use of REORDER_SKIP_AFTER. Removed
4597 second parameter to skip_insns_after_block.
4599 Wed May 3 13:29:54 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4601 * tree.c (staticp, case LABEL_DECL): New case.
4603 2000-05-03 Richard Henderson <rth@cygnus.com>
4605 * Makefile.in (start.encap): Do not depend on LIBGCC1.
4607 * mklibgcc1.in: Fix typo last change.
4609 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
4611 * Makefile.in (WARN_CFLAGS): Add -pedantic -Wno-long-long.
4612 (LOOSE_CFLAGS): New: CFLAGS without -pedantic and -Wtraditional.
4613 (GCC_CFLAGS): Use it.
4614 (LANG_FLAGS_TO_PASS): New: SUBDIR_FLAGS_TO_PASS with LOOSE_CFLAGS.
4615 * cp/Make-lang.in, java/Make-lang.in, f/Make-lang.in, ch/Make-lang.in,
4616 objc/Make-lang.in: Use it.
4618 2000-05-03 Jason R Thorpe <thorpej@zembu.com>
4620 * config/i386/i386.md (lshrqi2_cmpno): Use q not r in constraint.
4622 2000-05-03 Richard Henderson <rth@cygnus.com>
4624 * mklibgcc.in: Restrict OLDCC=GCC test to native. Equate
4625 LIBGCC1 empty with libgcc1.null.
4627 Wed May 3 12:55:46 2000 Jim Wilson <wilson@cygnus.com>
4629 * fold-const.c (extract_muldiv, case MAX_EXPR): Don't allow signedness
4632 2000-05-03 Greg McGary <gkm@gnu.org>
4634 * tree.h (tree_common): Add bounded_flag member. Remove
4635 inaccurate comment about number of remaining bits.
4636 (BOUNDED_INDIRECT_TYPE_P, BOUNDED_POINTER_TYPE_P,
4637 BOUNDED_REFERENCE_TYPE_P, MAYBE_BOUNDED_INDIRECT_TYPE_P,
4638 MAYBE_BOUNDED_POINTER_TYPE_P, MAYBE_BOUNDED_REFERENCE_TYPE_P,
4639 TREE_BOUNDED, TYPE_MAIN_VARIANTS_PHYSICALLY_EQUAL_P,
4640 TYPE_MAIN_PHYSICAL_VARIANT, TYPE_BOUNDED): New macros.
4641 (TYPE_QUAL_BOUNDED): New constant.
4642 (TYPE_QUALS): Handle bounded qualifier.
4643 (TREE_EXPR_QUALS, TREE_FUNC_QUALS): New macros.
4644 (TYPE_BOUNDED_VALUE, TYPE_BOUNDED_BASE, TYPE_BOUNDED_EXTENT,
4645 TYPE_BOUNDED_SUBTYPE, TYPE_UNBOUNDED_VARIANT, TYPE_POINTER_DEPTH,
4646 TYPE_AMBIENT_BOUNDEDNESS): New macros.
4647 (MAX_POINTER_DEPTH, VA_LIST_POINTER_DEPTH): New constants.
4648 (tree_type): Add pointer_depth member. Remove
4649 inaccurate comment about number of remaining bits.
4650 (DECL_POINTER_DEPTH): Add macro.
4651 (tree_decl): Add pointer_depth member.
4653 Wed May 3 22:52:53 2000 Denis Chertykov <denisc@overta.ru>
4655 * config/avr/avr-protos.h (test_hard_reg_class): Declared.
4656 * config/avr/avr.c (ashrhi3_out): optimized shift by 15.
4657 (lshrhi3_out): Likewise.
4658 (ashrsi3_out): bugfix in shift by 8.
4659 (test_hard_reg_class): New function.
4660 * config/avr/avr.md: Bugfix inside conditions in peepholes.
4661 (ashlhi3): removed define_expand of this pattern.
4662 (*ashlhi3_insn): renamed to ashlhi3.
4663 (ashlsi3): removed define_expand of this pattern.
4664 (*ashlsi3_insn): renamed to ashlsi3.
4665 (ashrqi3): removed define_expand of this pattern.
4666 (*ashrqi3_insn): renamed to ashrqi3.
4667 (ashrhi3): removed define_expand of this pattern.
4668 (*ashrhi3_insn): renamed to ashrhi3.
4669 (ashrsi3): removed define_expand of this pattern.
4670 (*ashrsi3_insn): renamed to ashrsi3.
4671 (lshrhi3): removed define_expand of this pattern.
4672 (*lshrhi3_insn): renamed to lshrhi3.
4673 (lshrsi3): removed define_expand of this pattern.
4674 (*lshrsi3_insn): renamed to lshrsi3.
4676 2000-05-03 Rodney Brown <RodneyBrown@pmsc.com>
4678 * config/mcore/mcore.c: Replacing inclusion of "stdio,h" with
4679 inclusion of "system.h".
4681 Wed May 3 11:43:53 2000 Jim Wilson <wilson@cygnus.com>
4683 * config/ia64/ia64.c (ia64_encode_section_info): Add check for
4686 2000-05-03 David Mosberger <davidm@hpl.hp.com>
4688 * config/ia64/ia64.c (ia64_override_options): Force -mconstant-gp
4689 if -mauto-pic is on.
4690 (ia64_epilogue_uses): Mark "gp" (r1) as used by the epilogue if
4691 -mconstant-gp is in effect and function-descriptors are being used
4692 to make indirect calls.
4693 * config/ia64/ia64.h (MASK_CONST_GP): New macro.
4694 (MASK_AUTO_PIC): Ditto.
4695 (TARGET_CONST_GP): Ditto.
4696 (TARGET_AUTO_PIC): Ditto.
4697 (TARGET_SWITCHES): Add -mconstant-gp and -mauto-pic options.
4698 (ASM_OUTPUT_DOUBLE_INT): Don't generate @fptr() if -mauto-pic or
4699 -mno-pic is in effect.
4700 (ASM_OUTPUT_XDATA_DOUBLE_INT): Ditto.
4701 * config/ia64/ia64.md (movdi): Use gen_load_gprel64() if
4702 -mauto-pic is in effect.
4703 (gprel64_offset): New pattern.
4704 (load_gprel64): Ditto.
4705 (call): Handle -mauto-pic like -mno-pic (don't use fptr). If
4706 -mconstant-gp is in effect, no need to preserve gp around direct
4708 (call_value): Ditto.
4709 * config/ia64/linux.h (PROFILE_BEFORE_PROLOGUE): Define.
4710 (FUNCTION_PROFILER): Define.
4711 * config/ia64/sysv4.h (ASM_OUTPUT_CONSTRUCTOR): Don't generate
4712 @fptr() directive when -mno-pic or -mauto-pic is in effect.
4713 (ASM_OUTPUT_DESTRUCTOR): Ditto.
4715 2000-05-03 Richard Henderson <rth@cygnus.com>
4717 * Makefile.in (STAGESTUFF): Add libgcc libgcc.mk.
4718 (libgcc1.null, libgcc1.cross, libgcc1.a): Remove targets.
4719 (libgcc1-asm.a, libgcc1.S, libgcc2.a): Remove targets.
4720 (mklibgcc, libgcc.mk): New targets.
4721 (libgcc.a): Use libgcc.mk.
4722 (stmp-multilib): Likewise.
4723 (stmp-multilib-sub): Remove.
4724 (mostlyclean): Don't delete libgcc2 temp files.
4725 * configure.in (AC_PROG_CC_C_O): Add.
4726 (NO_MINUS_C_MINUS_O): Substitute it.
4727 (all_outputs): Add mklibgcc.
4728 * mklibgcc.in: New file.
4730 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
4732 * cppexp.c (op_t): Make an int.
4734 * rtlanal.c (dead_or_set_regno_p): Remove unused variable.
4736 * varasm.c (initializer_constant_valid_p): Fix parenthesis.
4738 * gensupport.c (process_rtx): Fix macros used.
4740 2000-05-03 Richard Henderson <rth@cygnus.com>
4742 * flow.c (propagate_one_insn): Also don't PROP_REG_INFO for
4743 call-clobbered registers of a call.
4745 Wed May 3 12:40:53 2000 Clinton Popetz <cpopetz@cygnus.com>
4747 * gensupport.c: New file.
4748 * gensupport.h: New file.
4749 * Makefile.in (HOST_RTL): Depend on gensupport.
4750 (gensupport.o) New rule.
4751 * genattr.c: Use gensupport for reading .md files.
4752 * genattrtab.c: Ditto.
4753 * gencodes.c: Ditto.
4754 * genconfig.c: Ditto.
4756 * genextract.c: Ditto.
4757 * genflags.c: Ditto.
4758 * genopinit.c: Ditto.
4759 * genoutput.c: Ditto.
4761 * genrecog.c: Ditto.
4762 * rtl.def (define_insn_and_split): New DEF_RTL_EXPR.
4763 * md.texi (Insn Splitting): Document define_insn_and_split.
4765 Tue May 2 00:20:30 2000 Jason Eckhardt <jle@cygnus.com>
4767 * flow.c (verify_flow_info): Added two more sanity checks. The
4768 first checks that the blocks are numbered consecutively. The second
4769 checks that n_basic_blocks is actually equal to the number of
4770 basic blocks in the insn chain.
4772 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
4774 * cpplib.h: Add accessor macros for token lists.
4775 * cpplib.c, cpphash.c, cpplex.c: Use them.
4777 Wed May 3 09:29:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4779 * expr.c (expand_expr, case COMPONENT_REF): Don't check for checking
4780 memory usage if not in a function.
4781 * varasm.c (initializer_constant_valid_p, case ADDR_EXPR): Only
4782 return address if static.
4784 Wed May 3 13:14:49 MET DST 2000 Jan Hubicka <jh@suse.cz>
4786 * ifcvt.c (noce_try_cmove_arith): Use may_trap_p to thest
4787 whether address may trap.
4789 Tue May 2 23:38:37 2000 Jason Eckhardt <jle@cygnus.com>
4791 * bb-reorder (chain_reorder_blocks): Changed code to test for
4792 EDGE_FALLTHRU rather than making erroneous assumption that the
4793 first outgoing edge is the fall-through edge.
4795 Tue May 2 18:20:31 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
4797 * config/mips/mips.c (mips_build_va_list,mips_va_start,mips_va_arg): new
4798 ABI for varargs, across all MIPS. This is incompatible because the
4799 va_list (__builtin_va_list) structure is different, so a compilation
4800 unit passing a va_list and a compilation unit being passed one, should
4801 both be compiled with the same ABI. (The old structure had two
4802 pointers, now it has three.)
4804 Tue May 2 19:18:43 2000 Jason Eckhardt <jle@cygnus.com>
4806 * bb-reorder.c (struct reorder_block_def): Remove members end,
4807 block_begin, and block_end.
4808 (REORDER_BLOCK_OLD_END): Delete.
4809 (REORDER_BLOCK_BEGIN): Delete.
4810 (REORDER_BLOCK_END): Delete.
4811 (chain_reorder_blocks): Remove dead code.
4813 Tue May 2 17:06:53 2000 Jason Eckhardt <jle@cygnus.com>
4815 * bb-reorder.c (remove_scope_notes): Check for both types of scope
4816 notes as the end of a basic block before deleting.
4818 2000-05-02 Mumit Khan <khan@xraylith.wisc.edu>
4820 * final.c (final_start_function): Fix spelling of "necessary".
4822 2000-05-02 Jason Merrill <jason@casey.cygnus.com>
4824 * toplev.c (debug_ignore_block): Return int.
4825 * dwarf2out.c (dwarf2out_ignore_block): Likewise.
4826 * toplev.h, dwarf2out.h: Adjust.
4827 * emit-rtl.c (remove_unnecessary_notes): Test return value.
4829 * emit-rtl.c (remove_unnecessary_notes): Fix spelling of "necessary".
4830 * toplev.c, final.c, rtl.h: Adjust.
4832 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
4834 * aclocal.m4 (gcc_AC_CHECK_PROG_VER): New macro.
4835 * configure.in: Look for makeinfo in the unified tree, then
4836 for a system makeinfo which is sufficiently new.
4837 * Makefile.in: If configure says makeinfo is too old, don't
4838 build or install Info documentation.
4840 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
4842 * cpphash.c (collect_params): Fix off-by-one error.
4843 (dump_hash_helper): Dump all four macro nodetypes.
4845 2000-05-02 Jakub Jelinek <jakub@redhat.com>
4847 * cpphash.c (trad_stringify): Adjust p after stringification as
4850 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
4852 * cpplib.h (CPP_POP, parse_cleanup_t): Delete.
4853 (cpp_buffer): Remove cleanup, seen_eof, manual_pop members.
4855 * cppfiles.c (file_cleanup): Delete.
4856 * cpphash.c (macro_cleanup): Delete.
4857 (collect_objlike_expansion, collect_funlike_expansion,
4858 macarg, scan_arguments): Remove CPP_POP case.
4860 * cpplex.c (null_cleanup): Delete.
4861 (cpp_pop_buffer): Do the work that was done in the cleanups
4862 here. Call _cpp_unwind_if_stack from here.
4863 (_cpp_expand_to_buffer, cpp_scan_buffer_nooutput,
4864 cpp_scan_buffer): Run until we see CPP_EOF and the top of
4865 stack is the buffer _below_ the one we stacked.
4866 (cpp_get_token): Always pop an exhausted buffer. Return
4867 CPP_EOF unless it's a macro buffer. Don't call _cpp_handle_eof.
4868 * cpplib.c (skip_if_group): Don't call cpp_get_token to
4869 increment the line number.
4870 (_cpp_handle_eof): Rename to _cpp_unwind_if_stack.
4872 * fix-header.c (read_scan_file) [parsing getchar()]: Run until
4873 we see CPP_EOF and the top of stack is the buffer _below_ the
4875 * scan-decls.c: Likewise.
4877 2000-05-02 Andrew Haley <aph@cygnus.com>
4879 * config/ia64/ia64.c (ia64_encode_section_info): Handle the case
4880 where this function is called for the second time on a decl that
4881 has had its section info changed in such a way as to move it out
4883 * config/ia64/ia64.h (REDO_SECTION_INFO_P): New definition.
4885 2000-05-01 Richard Henderson <rth@cygnus.com>
4887 * ifcvt.c (dead_or_predicable): Set merge_bb->end to the insn before
4888 the sequence we're moving, not to merge_bb->head.
4890 2000-05-01 Richard Henderson <rth@cygnus.com>
4892 * configure.in (alpha*-*-linux-gnulibc1*) [tmake_file]: Remove
4893 reference to alpha/t-linux.
4894 (alpha*-*-linux-gnu*): Likewise.
4895 * configure: Rebuild.
4897 * calls.c (expand_call): Don't emit reg notes for a sibcall.
4899 * flow.c (calculate_global_regs_live): Skip for_each_successor_phi
4902 * ifcvt.c (if_convert): Only verify_flow_info if ENABLE_CHECKING.
4904 2000-05-01 Jason Merrill <jason@casey.cygnus.com>
4906 * integrate.c (copy_decl_for_inlining): Copy TREE_READONLY and
4909 2000-05-01 Richard Henderson <rth@cygnus.com>
4911 * ifcvt.c (noce_emit_cmove): Conditionally compile call to
4912 emit_conditional_move.
4914 2000-05-01 Jakub Jelinek <jakub@redhat.com>
4916 * config/ia64/linux.h (LINK_SPEC): Use /lib/ld-linux-ia64.so.1
4917 as the dynamic linker.
4919 2000-05-01 Zack Weinberg <zack@wolery.cumb.org>
4921 * cppfiles.c (open_include_file): Open file in blocking mode.
4922 (read_include_file): Don't fcntl(fd, F_SETFL, 0) anymore.
4923 Only exclude block devices and directories.
4925 * cpphash.c (_cpp_make_hashnode): Rename make_HASHNODE, now
4926 static. Allocate the hashnode and its string in the same
4928 (del_HASHNODE): Don't free h->name.
4929 (_cpp_lookup): If there is no entry for this string, create
4930 one, of type T_VOID.
4931 (_cpp_lookup_slot): Delete.
4932 * cpphash.h: Update prototypes.
4934 * cpplex.c (maybe_macroexpand): Check for hp->type == T_VOID,
4936 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert,
4937 do_unassert, cpp_defined): Use _cpp_lookup. Don't create a
4938 node here, just fill in the value field properly. "Delete"
4939 entries by setting the value field to T_VOID. Check for
4940 hp->type == T_VOID, not hp == NULL.
4942 * Makefile.in (cpplib.o): Don't depend on $(HASHTAB_H).
4943 * cpperror.c, cppexp.c, cpplex.c, cpplib.c: Don't include
4946 2000-05-01 Alexandre Oliva <aoliva@cygnus.com>
4948 * config/mn10300/mn10300.c (print_operand_address): Do not add
4951 * config/mn10300/mn10300.c (expand_epilogue): If SP is to be
4952 adjusted by less than 256 bytes, use ret regardless of having any
4953 callee-saved register to restore.
4955 2000-05-01 Laurynas Biveinis <lauras@softhome.net>
4957 * tm.texi (TARGET_HAS_F_SETFLKW): Fix typo.
4959 2000-05-01 Mark Elbrecht <snowball3@bigfoot.com>
4961 * config/i386/djgpp.h (INT_ASM_OP): Define.
4962 (CPP_PREDEFINES): Rename MSDOS to __MSDOS__.
4963 (ASM_WEAKEN_LABEL): Define.
4964 (MASK_BNU210): Define.
4965 (SUBTARGET_SWITCHES): Define.
4966 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Define.
4967 (MAKE_DECL_ONE_ONLY): Define.
4968 (UNIQUE_SECTION_P, UNIQUE_SECTION): Define.
4970 2000-05-01 Mumit Khan <khan@xraylith.wisc.edu>
4972 * i386/cygwin.h (INT_ASM_OP): Define.
4974 Mon May 1 18:20:06 2000 Denis Chertykov <denisc@overta.ru>
4976 * config/avr/avr.c (address_cost): renamed to avr_address_cost.
4977 * config/avr/avr.h (ADDRESS_COST): use avr_address_cost.
4979 Mon May 1 17:50:44 2000 Denis Chertykov <denisc@overta.ru>
4981 * config/avr/avr.c (asm_file_start): output 0 as r0 and 1 as r1 in
4982 __tmp_reg__ and __zero_reg__ initialization.
4984 2000-04-30 Richard Henderson <rth@cygnus.com>
4986 * flow.c (propagate_one_insn): Mark sets even when the insn is dead.
4988 * ifcvt.c (noce_process_if_block): Fail the conversion if X is
4989 referenced bewteen the condition and the jump. Don't delete
4990 anything but the jump.
4992 Sun Apr 30 22:48:24 2000 Jason Eckhardt <jle@cygnus.com>
4994 * bb-reorder.c (scope_def): New struct.
4995 (scope_forest_info): New struct.
4996 (struct reorder_block_def): New member "scope".
4997 (REORDER_BLOCK_SCOPE): New macro.
4998 (relate_bbs_with_scopes): New function and prototype.
4999 (make_new_scope): Likewise.
5000 (build_scope_forest): Likewise.
5001 (remove_scope_notes): Likewise.
5002 (insert_intra_1): Likewise.
5003 (insert_intra_bb_scope_notes): Likewise.
5004 (insert_inter_bb_scope_notes): Likewise.
5005 (rebuild_scope_notes): Likewise.
5006 (free_scope_forest_1): Likewise.
5007 (free_scope_forest): Likewise.
5008 (dump_scope_forest): Likewise.
5009 (dump_scope_forest_1): Likewise.
5010 (chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
5011 Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
5013 (reorder_basic_blocks): Added calls to build_scope_scope_forest
5014 and remove_scope_notes before reordering is done. Added calls to
5015 rebuild_scope_notes, free_scope_forest, and reorder_blocks after
5016 after reordering is done.
5018 2000-40-30 Bruce Korb <bkorb@gnu.org>
5020 * fixinc/inclhack.def: Added definitions needed by OSR5,
5021 removed two stale entries (defined away with OLD_CPP).
5022 * fixinc/inclhack.sh: regen
5023 * fixinc/fixincl.x: regen
5025 2000-04-30 Richard Henderson <rth@cygnus.com>
5027 * ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
5028 from the last insn in the sequence.
5030 2000-04-30 Zack Weinberg <zack@wolery.cumb.org>
5032 * cpplex.c (cpp_idcmp): New function.
5033 * cpplib.h: Prototype it.
5034 * scan_decls.c (scan_decls): Use it to inspect token names.
5035 * fix-header.c (read_scan_file): Likewise. Set system_header_p on
5036 the file being run through the preprocessor.
5037 (check_macro_names): Provide length of token to cpp_defined.
5039 * Makefile.in: Remove stale warning message.
5041 * cppfiles.c (redundant_include_p): Provide length of token to
5043 * cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
5044 values are unsigned int.
5045 (_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
5046 (_cpp_lookup_slot): Do not calculate the hash, either.
5047 * cpphash.h: Update prototypes.
5048 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
5049 Hashes are unsigned int. Calculate hash here, pass by value
5050 to _cpp_lookup_slot.
5052 2000-04-30 Bernd Schmidt <bernds@cygnus.co.uk>
5054 * simplify-rtx.c (check_value_useless): Delete function.
5055 (discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
5057 (cselib_invalidate_regno): Likewise.
5058 (cselib_invalidate_mem_1): Likewise.
5059 (references_value_p): Recognize useless values by the fact that they
5061 (discard_useless_values): Likewise.
5062 (cselib_record_set): This may turn a useless value
5065 2000-04-30 Richard Henderson <rth@cygnus.com>
5067 * config/d30v: New port.
5069 * configure.in (d30v-*): Set fp format.
5070 * configure: Rebuild.
5072 2000-04-30 Richard Henderson <rth@cygnus.com>
5074 * ifcvt.c: New file.
5075 * Makefile.in (OBJS): Add it.
5076 (ifcvt.o): New target.
5077 * jump.c (jump_optimize_1): Remove all code related to if-conversion,
5078 and conditional arithmetic.
5079 (find_insert_position): Remove.
5080 * timevar.def (TV_IFCVT, TV_IFCVT2): New.
5081 * toplev.c (DFI_ce, DFI_ce2): New.
5082 (dump_file): Add ce and ce2 dumps.
5083 (rest_of_compilation): Run if_convert a couple o times. Set
5084 cse_not_expected after cse2. Don't set no_new_pseudos until
5085 after sched1 or recompute_reg_usage.
5087 2000-04-30 Richard Henderson <rth@cygnus.com>
5089 * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
5090 (crtend.o, crtbeginS.o, crtendS.o): Likewise.
5092 2000-04-30 Richard Henderson <rth@cygnus.com>
5094 * flow.c (struct reg_cond_life_info): New.
5095 (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
5096 (init_propagate_block_info): Initialize them.
5097 (free_propagate_block_info): Destruct them.
5098 (mark_set_1): Consider conditional life before killing a register.
5099 (mark_regno_cond_dead): New.
5100 (free_reg_cond_life_info): New.
5101 (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
5102 (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
5103 (mark_used_reg): Record conditional life.
5105 * haifa-sched.c (schedule_insns): Disable death counting
5106 sanity check for HAVE_conditional_execution.
5108 2000-04-30 Richard Henderson <rth@cygnus.com>
5110 * Makefile.in (TIMEVAR_H): New.
5111 (ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
5112 (timevar.h): Remove rule.
5114 2000-04-29 Richard Henderson <rth@cygnus.com>
5116 * config/alpha/crtend.asm: Use C comments instead of #.
5117 * config/alpha/crtbegin.asm: Likewise. Mark __dso_handle hidden.
5119 * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
5121 2000-04-29 Zack Weinberg <zack@wolery.cumb.org>
5123 * cpphash.h (enum node_type: Take out T_MCONST.
5124 (union hashval): Move into struct hashnode.
5125 (struct hashnode): Pack tighter. Remove file, line, col
5127 * cpphash.c: Constify most of the macro-definition structures.
5128 (struct definition): Replace by struct object_defn
5129 and struct funct_defn. Put file, line, column information
5130 here. All users updated to match.
5131 (_cpp_create_definition, _cpp_macroexpand): Remove special
5132 case for #define WORD OTHERWORD.
5133 * cpplib.c (do_undef): Remove T_MCONST case.
5135 * cpphash.h: Move struct reflist, struct definition, and the
5136 DEFINITION typedef to cpphash.c. Use 'struct definition *' in
5137 union hashval. _cpp_free_definition takes a HASHNODE pointer.
5138 * cpphash.c (_cpp_free_definition): Free data pointed to by
5139 MCONST, XCONST, MACRO, and FMACRO nodes properly.
5140 (_cpp_create_definition, del_HASHNODE): Just call
5141 _cpp_free_definition to clear out a hashnode.
5142 * cpplib.c (do_pragma_poison): Likewise.
5144 Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
5146 * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
5147 LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
5148 FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
5149 (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
5150 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
5151 REGNO_AM33_P): Redefine in terms of the new macros.
5152 (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
5153 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
5154 STRUCT_VALUE): Likewise.
5155 (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
5156 ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
5158 Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
5160 * regmove.c (struct record_stack_memrefs_data): New.
5161 (record_stack_memrefs): New function.
5162 (combine_stack_adjustments_for_block): Use it.
5164 Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
5166 * calls.c (calls_function_1): Propertly handle TREE_LIST expressions;
5167 use special_function_p to detect alloca.
5169 Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
5171 * gcc.texi: Fixes for makeinfo 4.0 --html.
5173 2000-04-28 Zack Weinberg <zack@wolery.cumb.org>
5175 * pcp.h: Delete file.
5177 2000-04-28 Kazu Hirata <kazu@hxi.com>
5179 * h8300.c (function_epilogue): Clean up flags when the last insn
5180 in a function is a barrier.
5182 2000-04-28 Chris Demetriou <cgd@sibyte.com>
5184 * configure.in (sparc-hal-solaris2*): protect [] glob from
5186 (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
5187 rather than hard-coded constants in target_cpu_default2.
5188 * configure: Regenerate.
5190 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
5192 * tree.c (get_callee_fndecl): Extract the initial value from
5195 2000-04-28 Richard Henderson <rth@cygnus.com>
5197 * varasm.c (record_constant_1): Record the CODE_LABEL when
5198 taking the address of a LABEL_REF.
5200 2000-04-28 Richard Henderson <rth@cygnus.com>
5201 Jan Hubicka <jh@suse.cz>
5203 * calls.c (combine_pending_stack_adjustment_and_call): Return the
5204 adjustment; don't do the stack adjust.
5205 (expand_call): Call compute_argument_block_size right before
5206 allocating the block; update comment; don't do alignment sanity
5207 checking for sibling call; use args_size instead of
5208 unadjusted_args_size before args_size is adjusted. Use
5209 combine_pending_stack_adjustment_and_call to compute stack adjust
5210 for must_preallocate case.
5212 * expr.c (push_block): Remove shadow `temp' in inner scope.
5214 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
5216 * toplev.c (rest_of_compilation): Call
5217 note_deferral_of_defined_inline_function even if the function
5220 2000-04-28 Scott Bambrough <scottb@netwinder.org>
5222 * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
5224 2000-04-28 Richard Henderson <rth@cygnus.com>
5226 * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
5228 2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5230 * timevar.c (init_timevar): DeANSIfy function definition.
5232 2000-04-27 Alex Samuel <samuel@codesourcery.com>
5234 * Makefile.in (timevar.o): Depend on flags.h.
5235 * timevar.c (unused_stack_instances): New variable.
5236 (timevar_push): Take a timevar_stack_def from
5237 unused_stack_instances if available.
5238 (timevar_pop): Push the popped timevar_stack_def onto
5239 unused_stack_instances.
5240 (TIMEVAR_ENABLE): New macro.
5241 (timevar_def): Make standalone a 1-bit field. Add field used.
5242 (get_time): Rename parameter to now. Return after clearing it if
5244 (init_timevar): Do nothing if not TIMEVAR_ENABLE.
5245 (timevar_pop): Likewise.
5246 (timevar_stop): Likewise.
5247 (timevar_push): Likewise. Mark the timing variable as used.
5248 (timevar_start): Likewise.
5249 (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
5250 timevars that were never used.
5252 2000-04-27 Mark Mitchell <mark@codesourcery.com>
5254 * c-common.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
5255 always TREE_READONLY.
5257 2000-04-27 Ulrich Drepper <drepper@cygnus.com>
5259 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
5260 for call instruction with mode QImode.
5262 2000-04-27 Alex Samuel <samuel@codesourcery.com>
5264 * Makefile.in (OBJS): Add timevar.o.
5265 (toplev.o): Depend on timevar.h.
5266 (ggc-simple.o): Likewise.
5267 (ggc-page.o): Likewise.
5268 (timevar.o): New rule.
5269 (timevar.h): New rule.
5271 * timevar.h: New file.
5272 * timevar.c: Likewise.
5273 * timevar.def: Likewise.
5275 * toplev.h (gc_time, parse_time, varconst_time): Remove.
5276 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
5278 (TIMEVAR): Remove macro.
5279 (gc_time, parse_time, varconst_time, integration_time, jump_time,
5280 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
5281 flow_time, combine_time, regmove_time, sched_time,
5282 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
5283 sched2_time, dbr_sched_time, reorder_blocks_time,
5284 rename_registers_time, shorten_branch_time, stack_reg_time,
5285 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
5287 (compile_file): Don't initialize time variables. Call
5288 init_timevar and start TV_TOTAL timer. Call timevar_print instead
5289 of many calls to print_time.
5290 (rest_of_compilation): Add timing for reload_cse_regs.
5291 (get_run_time): Removed to timevar.c.
5292 (print_time): Likewise.
5293 (get_run_time): Implement using TV_TOTAL time variable.
5294 (print_time): Get total run time from get_run_time.
5295 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
5296 computing elapsed time explicitly.
5297 * ggc-simple.c (ggc_collect): Likewise.
5298 (gc_time): Remove declaration.
5300 2000-04-27 Mark Mitchell <mark@codesourcery.com>
5302 * calls.c (combine_pending_stack_adjustment_and_call): New function.
5303 (expand_call): Use it.
5305 2000-04-27 Jan Hubicka <jh@suse.cz>
5307 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
5310 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
5312 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
5315 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
5317 * function.c (epilogue_done): Pass whole insn to record_insns.
5319 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
5321 * cse.c (CSE_ADDRESS_COST): Remove.
5322 (find_best_addr): Add new parameter "MODE", use address_cost instead
5324 (address_cost): New.
5325 (fold_rtx): Update call of find_best_addr.
5326 * rtl.h (address_cost): Declare.
5327 * loop.c (general_induction_var): Add new parameter "MODE", use
5328 address_cost instead of ADDRESS_COST
5329 (init_loop): Use address_cost instead of ADDRESS_COST.
5330 (check_insn_for_givs): Update call of general_induction_var.
5331 (find_mem_givs): Likewise.
5332 (consec_sets_giv): Likewise.
5333 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
5334 * i386.c (ix86_address_cost): New.
5335 * i386-protos.h (ix86_address_cost): Declare.
5337 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
5339 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
5342 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
5344 * expr.c (store_expr): Use clear_storage instead of direct memset
5347 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
5349 * config/mn10300/mn10300.c (mn10300_address_cost): Test
5350 ASHIFT, AND and LABEL_REF.
5352 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
5354 * invoke.texi (-foptimize-sibling-calls): Fix.
5356 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
5358 * loop.c (load_mems) Don't use hard registers for the hoisting.
5360 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
5361 calculation; rename const_equiv array in the preconditioning code
5362 from loop_unroll to loop_unroll_precondition
5364 2000-04-27 Richard Henderson <rth@cygnus.com>
5366 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
5368 (propagate_one_insn): Clear it. Don't update reg_live here.
5369 (init_propagate_block_info): Update for pbi member changes.
5370 (free_propagate_block_info): Likewise.
5371 (mark_set_1): Know that zero_extract, sign_extract, and
5372 strict_low_part don't kill their argument. Alter hard subregs.
5373 Update new_set for non-CLOBBER sets. Update reg_live.
5374 (find_auto_inc): Update reg_live, not new_dead.
5375 (mark_used_reg): Update reg_live, not new_live. Examine new_set
5376 to determine if the reg in question was set this insn. Only update
5377 reg info with PROP_REG_INFO.
5379 2000-04-26 Richard Henderson <rth@cygnus.com>
5381 * flow.c (allocate_reg_life_data): Set max_regno here ...
5382 (life_analysis): ... not here.
5384 * flow.c (calculate_global_regs_live): Force stack pointer
5387 2000-04-26 Richard Henderson <rth@cygnus.com>
5389 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
5390 commit change group changes.
5391 (invert_exp_1): Similarly.
5392 (redirect_exp, invert_exp): Use them.
5393 (redirect_jump_1): New.
5394 (invert_jump_1): New.
5395 (jump_optimize_1): Remove code subsumed by condexec.c.
5396 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
5398 2000-04-26 Richard Henderson <rth@cygnus.com>
5400 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
5402 * genconfig.c (main): Set all HAVE_foo to 1.
5404 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
5406 2000-04-26 Alex Samuel <samuel@codesourcery.com>
5408 * invoke.texi: Document -fssa flag.
5410 2000-04-26 Richard Henderson <rth@cygnus.com>
5412 * flow.c (count_reg_sets_1): Remove.
5413 (count_reg_sets, count_reg_references): Remove.
5414 (recompute_reg_usage): Implement with update_life_info.
5415 Reallocate life data.
5417 2000-04-26 Richard Henderson <rth@cygnus.com>
5419 * flow.c (update_life_info): Consider blocks null to mean the
5421 (calculate_global_regs_live): Likewise.
5422 (life_analysis): Do that instead of collecting all_blocks.
5424 2000-04-26 Richard Henderson <rth@cygnus.com>
5426 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
5427 a still-valid conditional jump.
5429 2000-04-26 Richard Henderson <rth@cygnus.com>
5431 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
5433 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
5434 * flow.c (calculate_loop_depth): Remove.
5435 * output.h (calculate_loop_depth): Don't declare.
5436 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
5437 inline; run estimate_probability at the same time.
5439 2000-04-26 Neil Booth <NeilB@earthling.net>
5441 * cpplib.h: "~=" is not a single pp-token.
5442 * cpplex.c: Correct commentary.
5444 2000-04-26 Richard Henderson <rth@cygnus.com>
5446 * flow.c (mark_set_1): New arguments code and flags; update all
5447 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
5448 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
5449 loop_depth when optimizing for size. Do new_dead update after
5450 emitting REG_UNUSED notes. Merge mark_set_reg code.
5451 (mark_set_reg): Remove.
5452 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
5453 arrange to not emit REG_UNUSED notes.
5455 2000-04-26 Richard Henderson <rth@cygnus.com>
5457 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
5458 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
5460 2000-04-26 Richard Henderson <rth@cygnus.com>
5462 * flow.c (propagate_one_insn): Break out from propagate_block.
5463 (init_propagate_block_info): Likewise.
5464 (free_propagate_block_info): Likewise.
5465 (propagate_block): Use them. Export.
5466 * basic-block.h: Declare them all.
5468 2000-04-26 Richard Henderson <rth@cygnus.com>
5470 * basic-block.h (life_analysis): Declare here ...
5471 * output.h: ... not here.
5472 * flow.c (life_analysis): Remove nregs parameter; replace
5473 remove_dead_code with flags. Remove ssa dead code check.
5474 Only init alias analysis if we'll use it.
5475 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
5476 * ssa.c (convert_to_ssa): Likewise.
5477 (convert_from_ssa): Likewise.
5478 * toplev.c (rest_of_compilation): Likewise.
5480 2000-04-26 Richard Henderson <rth@cygnus.com>
5482 * flow.c (flow_delete_block): Rename from delete_block. Export.
5483 * basic-block.h (flow_delete_block): Declare.
5485 2000-04-26 David S. Miller <davem@redhat.com>
5487 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
5488 taking a PATTERN of it.
5490 2000-04-26 <NeilB@earthling.net>
5492 * cpplex.c (spell_other, spell_char): Remove.
5494 (token_spelling, trigraph_map): Use unsigned chars.
5495 (_cpp_lex_line): Tidy up the switch statement.
5496 * cpplib.h: Implement spell_char with spell_string.
5499 2000-04-26 <RodneyBrown@pmsc.com>
5501 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
5502 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
5504 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5506 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
5507 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
5508 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
5509 dwarf2out_return_save, dwarf2out_return_reg,
5510 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
5511 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
5512 gen_compile_unit_die, dwarf2out_init): Constify a char*.
5514 * dwarf2out.h (dwarf2out_init): Likewise.
5516 * dwarfout.c (filename_entry, primary_filename, last_filename,
5517 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
5519 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
5520 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
5521 dwarf2out_return_reg): Likewise.
5523 2000-04-26 Andreas Jaeger <aj@suse.de>
5525 * extend.texi (Function Attributes): Fix description of pure
5528 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
5530 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
5531 before calling rest_of_compilation.
5533 2000-04-26 Andreas Jaeger <aj@suse.de>
5535 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
5538 2000-04-25 Richard Henderson <rth@cygnus.com>
5540 * cse.c (cse_insn): Emit barrier after unconditional jump.
5542 * calls.c (expand_call): Disable tail call generation once
5543 rtx_equal_function_value_matters is false.
5545 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
5548 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
5550 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
5552 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
5554 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
5555 is the primary DIE for a member function.
5556 (gen_decl_die): Call set_decl_origin_self here.
5557 * dwarfout.c (output_decl): And here.
5558 * integrate.c (output_inline_function): Not here.
5559 Don't clear DECL_INLINE until after calling rest_of_compilation.
5560 (set_decl_origin_self): No longer static.
5561 * tree.h: Add prototype.
5562 * toplev.c (note_deferral_of_defined_inline_function): Only write
5563 out abstract instance for actual inlines.
5565 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
5567 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
5568 EXTENDED_REGS only if TARGET_AM33.
5569 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
5570 SP_REGS to register allocation and reloading unless absolutely
5572 (movsi3): Remove special-case of adding non-constants to SP.
5574 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5576 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
5577 INCLUDES to search and does not provide any of its own. Also it
5578 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
5579 parameters. Also it does not call AC_DEFINE.
5580 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
5581 AC_DEFINE and provides for automatic entries for autoheader.
5582 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
5584 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
5585 so we can pass -I flags and include gansidecl.h/system.h in this
5588 * acconfig.h: Delete all NEED_DECLARATION_* entries.
5590 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5592 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
5593 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
5594 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
5596 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
5597 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
5598 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
5599 for these macros. Clean up spacing and linewraps.
5601 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
5603 * calls.c (expand_call): Use get_callee_fndecl.
5605 * print-tree.c (print_node): Print the chain of an _EXPR.
5607 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
5608 Jim Wilson <wilson@cygnus.com>
5609 Andrew Haley <aph@cygnus.com>
5611 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
5612 and gp save/restore problems.
5613 * config/ia64/crtend.asm: Add IA-64 unwind support.
5614 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
5615 in fr_pad_size calculation.
5616 (save_restore_insns): Move PR save area. Correct uses of
5617 RTX_FRAME_RELATED_P.
5618 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
5619 (ia64_expand_epilogue): Add eh_epilogue support.
5620 (ia64_function_prologue): Emit .prologue directive.
5621 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
5622 (ia64_override_options): Set init_machine_status and
5623 mark_machine_status.
5624 (rtx_needs_barrier): Handle bsp reads and writes.
5625 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
5626 New static variables.
5627 (process_set, process_for_unwind_directive): New functions.
5628 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
5629 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
5630 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
5632 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
5633 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
5634 (struct machine_function): Define.
5635 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
5637 2000-04-25 Bruce Korb <bkorb@gnu.org>
5639 * fixinc/Makefile.in: make the removal of old programs more
5641 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
5642 install-bin and install-sh
5644 2000-04-25 Nick Clifton <nickc@cygnus.com>
5646 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
5647 defined, define to return zero.
5648 (function_cannot_inline_p): If a function has any target
5649 specific attributes, then use the macro
5650 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
5651 whether it can be inlined. If it cannot, issue a suitable
5654 * tm.texi: Add a new node 'Inlining' to document the new macro
5655 FUNCTION_ATTRIBUTE_INLINABLE_P.
5657 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
5659 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
5662 2000-04-25 Neil Booth <NeilB@earthling.net>
5664 Restore previous patch, plus the following fixes:
5666 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
5667 flags, not CPP_OPEN_PAREN.
5668 * cpplex.c (expand_token_space, init_token_list,
5669 cpp_free_token_list): Put the dummy token at list->tokens[-1].
5670 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
5672 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5674 * config/i386/freebsd.h (INT_ASM_OP): Define.
5676 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
5678 * loop.c (strength_reduce): Fix typo in the last checkin.
5680 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5682 * stor-layout.c (finalize_record_size): Simplify to use existing
5684 (compute_record_mode): No longer static.
5685 * tree.h (compute_record_mode): New declaration.
5687 2000-04-25 Neil Booth <NeilB@earthling.net>
5689 * Revert my patch below until cause of build failures
5692 2000-04-25 Richard Henderson <rth@cygnus.com>
5694 * combine.c (combine_instructions): Add missing argument
5697 * toplev.c (rest_of_compilation): Delay sibcall optimization
5698 until after emit_eh_context.
5700 2000-04-24 Nick Clifton <nickc@redhat.com>
5702 * combine.c (combine_instructions): Do not try to combine a
5703 sequence of insns when the second insn has been replaced by a
5706 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
5708 * gcc.c (load_specs): New static function.
5709 (read_specs): Use it.
5711 * gcc.c (lookup_compiler): Make multiple passes for case
5712 insensitive filesystems.
5714 2000-04-24 Neil Booth <NeilB@earthling.net>
5716 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
5717 * cpphash.h (_cpp_check_directive): new.
5718 * cpplex.c (handle_newline, cpp_free_token_list,
5719 init_trigraph_map, trigraph_ok, trigraph_replace,
5720 backslash_start, skip_block_comment, skip_line_comment,
5721 skip_whitespace, parse_name, parse_number, parse_string,
5722 copy_comment, _cpp_lex_line, spell_char, spell_string,
5723 spell_comment, spell_name, spell_other, _cpp_lex_file,
5724 _cpp_output_list): new.
5725 (expand_name_space): take length argument.
5726 (init_token_list): add comment list initialisation.
5727 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
5728 instead of HSPACE_BEFORE.
5730 * cpplib.c (_cpp_check_directive): new
5731 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
5732 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
5733 (HSPACE_BEFORE): delete.
5734 (TTYPE_TABLE): rearrange.
5735 (struct cpp_toklist): update.
5737 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5739 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
5740 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
5741 argument form of AC_DEFINE.
5743 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
5744 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
5745 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
5746 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
5747 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
5749 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
5751 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5753 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
5754 deduced.h): Use -isystem, not -I, for including system headers.
5756 2000-04-24 Nick Clifton <nickc@cygnus.com>
5758 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
5759 the source register is the frame pointer or arg pointer.
5760 (addsi3_small_int): Disallow if source register is the frame
5761 pointer or arg pointer.
5763 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5765 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
5766 call to AC_MSG_RESULT.
5768 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5770 * invoke.texi: Correct grammatical errors, document
5771 -fno-gnu-keywords as identical to -fno-asm for C++.
5773 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5775 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
5776 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
5777 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
5778 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
5779 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
5781 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
5782 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
5783 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
5784 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
5787 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
5789 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
5790 (pop_alignment): Likewise.
5791 (handle_pragma_token): Likewise.
5793 2000-04-24 Robert Lipe <robertlipe@usa.net>
5795 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
5797 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
5799 * combine.c (try_combine): Update reg_nonzero_bits of
5800 newi2pat before newpat.
5802 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
5804 * loop.c (strength_reduce): Simplify test to INSN_P.
5805 (record_giv): Attempt to simplify the add value, use CONSTANT_P
5806 expressions instead of CONST_INT.
5807 (express_from_1): Likewise.
5809 2000-04-24 Mark Mitchell <mark@codesourcery.com>
5811 * regs.h (reg_n_max): Don't declare.
5812 * flow.c (reg_n_max): Don't define.
5813 * regclass.c (renumber): Don't initialize to zero.
5814 (regno_allocated): Likewise.
5815 (reg_n_max): Define.
5816 (allocate_reg_info): Don't initialize unnecessarily.
5818 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
5820 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
5821 and blockage_p in the newly allocated attribute.
5823 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
5825 * config/mn10300/mn10300.md (addsi): `inc4' on address
5826 registers does not modify cc, but `inc' on an extended
5829 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
5831 * reload.c (find_equiv_reg): Checks all valueno regs
5832 as a reload_reg_p regs.
5834 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
5836 * cpphash.c (collect_objlike_expansion): Add sanity check.
5837 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
5838 the buffer is the empty string, return. Mark __DATE__ and
5839 __TIME__ as XCONST nodes, not MCONST.
5840 (_cpp_macroexpand): Avoid pushing an empty buffer.
5841 (funlike_macroexpand): Don't pop token_buffer here.
5843 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
5845 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
5846 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
5847 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
5848 (REGNO_OK_FOR_BASE_P): Define in terms of them.
5849 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
5850 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
5851 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
5853 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
5855 * loop.c (simplify_giv_expr): Be more agressive on simplifying
5858 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
5860 * cpphash.h (struct definition): Move file, line, col members...
5861 (struct hashnode): ... here. Also add 'disabled' flag.
5862 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
5863 T_IDENTITY. Remove T_DISABLED.
5866 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
5867 (collect_expansion): Split into collect_objlike_expansion and
5868 collect_funlike_expansion.
5869 (_cpp_macroexpand): Split out scan_arguments, stringify, and
5870 funlike_macroexpand.
5871 (_cpp_compare_defs): Rename compare_defs, make static.
5872 (_cpp_make_hashnode): Initialize hp->disabled.
5873 (macro_cleanup): Adjust for new token types. Clear
5875 (_cpp_create_definition): Move code here to determine what
5876 sort of macro it is, and code to check for redefinitions, from
5877 do_define. Implement a few simple cases without creating a
5879 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
5880 Handle the simple cases.
5881 (push_macro_expansion): Set buf->has_escapes and hp->disabled
5884 * cppinit.c (builtin_array): Change MCONST to XCONST
5886 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
5887 fix check for disabled and function-like macros.
5888 * cpplib.c (do_define): Move most logic to
5889 _cpp_create_definition.
5890 (do_undef): Handle new special token types.
5892 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
5894 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
5895 of CONSTANT_P for mult_val; always use validate_change to update insn.
5897 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
5899 * cpphash.c (trad_stringify, add_pat): New functions.
5900 (collect_expansion): Restore support for -traditional syntax.
5901 Use trad_stringify and add_pat.
5902 (_cpp_macroexpand): Restore support for -traditional semantics.
5903 * cpplex.c (_cpp_scan_line): Don't change space_before if we
5904 get a COMMENT token.
5905 (_cpp_lex_token): Provide COMMENT tokens to caller if
5906 traditional and parsing_define_directive.
5907 (skip_comment): Warn about // comments if -Wtraditional.
5908 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
5910 (do_undef): Don't warn about undefining EMPTY nodes.
5912 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
5914 * loop.c (strength_reduce): Fix biv removal code.
5916 2000-04-22 Richard Henderson <rth@cygnus.com>
5918 * predict.c (estimate_probability): Examine both sides of
5919 a branch for no exits. Use 90% not 50% for predict taken.
5920 Reorg for one copy of note generation code.
5922 2000-04-22 Richard Henderson <rth@cygnus.com>
5924 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
5926 2000-04-22 Richard Henderson <rth@cygnus.com>
5928 * diagnostic.c (init_output_buffer): Don't initialize format_args.
5929 (output_clear): Likewise.
5930 (output_printf): Use va_copy.
5931 (vline_wrapper_message_with_location): Likewise.
5932 (v_message_with_decl): Likewise.
5933 (line_wrapper_printf): VA_START infor buffer.format_args directly.
5934 * system.h (va_copy): Provide default implementation.
5936 2000-04-22 Richard Henderson <rth@cygnus.com>
5938 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
5939 the collected condition is not a constant.
5941 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
5943 * diagnostic.h: New file.
5945 * Makefile.in (diagnostic.o): Depends on diagnostic.h
5947 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
5948 various function prototypes.
5949 (diagnostic.h): #include.
5950 (struct output_buffer): Move into diagnostic.h.
5951 (get_output_prefix): Rename to output_get_prefix. Export.
5952 (init_output_buffer): Export. Break out. Ajust intialization.
5953 (output_space_left, output_append): Export.
5954 (output_newline): Rename to output_add_newline. Export.
5955 (output_clear): Nullify additional output_buffer fields.
5956 (output_puts): Rename to output_add_string. Export.
5957 (dump_output): Rename to output_flush_on. Export.
5958 (build_location_prefix): Constify return-type.
5959 (emit_output_prefix): Rename to output_emit_prefix. Export.
5960 (set_real_maximum_length): New function.
5961 (output_set_maximum_length): Ditto
5962 (output_clear): Ditto.
5963 (output_add_character): Ditto.
5964 (output_add_integer): Ditto.
5965 (output_add_space): Ditto.
5966 (output_format): Ditto.
5967 (output_printf): Adjust buffer initialization.
5968 (vline_wrapper_message_with_location): Ditto.
5969 (v_message_with_decl): Ditto. Adjust call to output_puts
5970 and get_output_prefix.
5971 (default_print_error_function): Adjust buffer intialization.
5973 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5975 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
5978 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
5980 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
5983 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
5985 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
5986 accurate data about SP moves.
5988 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
5990 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
5991 aliases to AM33 registers.
5993 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
5995 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
5996 to all EXTENDED bitmaps.
5998 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
6000 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
6001 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
6002 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
6004 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
6006 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
6007 the operand is not constant.
6009 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
6011 * reload.c (find_equiv_reg): Checks all valueno and regno regs
6012 as a call-clobbered regs.
6014 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6016 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
6018 * rtl.def: Update comment.
6019 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
6020 * integrate.c (expand_inline_function): Likewise.
6021 * profile.c (branch_prob): Likewise.
6022 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
6023 * print-rtl.c (print_rtx): Likewise.
6024 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
6025 (reemit_notes): Likewise; also use enum insn_note.
6027 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
6028 (place_field): Properly compute know and actual alignment.
6030 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
6033 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
6036 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
6038 * cpphash.c (struct arg, struct arglist): Const-ify strings.
6039 (warn_trad_stringify, duplicate_arg_p): New helper functions.
6040 (collect_expansion): Rewrite to scan over a token list.
6041 Remove -traditional support.
6042 (collect_formal_parameters): Rename to collect_params; rewrite
6043 to scan over a token list.
6044 (_cpp_create_definition): Adjust to scan a token list.
6045 (_cpp_macroexpand): Remove -traditional support.
6046 (_cpp_compare_defs): Whitespace is now canonicalized.
6047 (comp_def_part): Delete function.
6049 * cpphash.h: Update prototypes.
6050 * cpplex.c (init_token_list): Don't set lineno if there is no
6052 (pedantic_whitespace): New function.
6053 (_cpp_scan_line): Mark tokens that had hspace before. Don't
6054 consume a newline. Use pedantic_whitespace.
6055 (_cpp_lex_token): Remove support for -traditional macros.
6056 (_cpp_get_define_token): Delete.
6057 (_cpp_get_directive_token): Do the real work here. Use
6058 pedantic_whitespace.
6059 (_cpp_init_input_buffer): Initialize pfile->directbuf.
6061 * cpplib.c (get_macro_name): Delete.
6062 (do_define): Read the entire line into pfile->directbuf, then
6063 feed the token list to _cpp_create_definition.
6064 * cpplib.h (HSPACE_BEFORE): new define.
6065 (struct cpp_reader): Add a toklist member, "directbuf".
6067 * predict.c (estimate_probability): New heuristic: if a jump
6068 branches around a block with no successors, predict it taken.
6069 Disentangle control flow.
6071 2000-04-20 Richard Henderson <rth@cygnus.com>
6073 * loop.c (emit_iv_add_mult): Revert last change.
6075 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
6077 * cpplib.h (enum cpp_ttype): Add token types for all
6078 punctuators. Distinguish pp-numbers from valid C numbers.
6079 Give some tokens better names. Initialize from macro.
6080 (struct cpp_name, cpp_token, cpp_toklist): New data
6083 * cpplex.c (bump_column, expand_name_space,
6084 expand_token_space, init_token_list, cpp_output_list,
6085 _cpp_scan_line): New functions.
6086 (output_line_command): Add third argument, new line number.
6087 * cpphash.h: Update prototypes.
6088 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
6091 2000-04-20 Richard Henderson <rth@cygnus.com>
6093 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
6095 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
6097 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
6100 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
6102 * loop.c (emit_iv_add_mult): Simplify it's input and emit
6103 REG_EQUAL note explaining the calculated value.
6105 * calls.c (expand_call): Avoid unnecesary precalculation
6106 and outgoing parameters space guarding for sibling calls.
6107 (store_one_arg): Likewise.
6109 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6111 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
6112 (rest_of_compilation): Write sibling dump file and account
6113 for time as jump time.
6114 * invoke.texi: Update documentation on dump flags.
6116 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
6118 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
6120 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
6122 * cpphash.c (special_symbol): Represent an empty macro with
6123 "\r \r " not just "\r ".
6124 (_cpp_macroexpand): Correct condition for the foo ( ) special
6126 (unsafe_chars): Handle EOF as second argument.
6127 (push_macro_expansion): Simplify test for removing escape at
6128 end. Do not trim both escapes if there is no text in between.
6130 2000-04-19 Jim Blandy <jimb@redhat.com>
6132 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
6133 of PTR_SIZE, when appropriate.
6135 2000-04-19 Mark Mitchell <mark@codesourcery.com>
6137 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
6138 (USE_ENUM_BITFIELDS): Fix typo.
6140 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6142 * stor-layout.c (place_field): Set rli->offset_align properly.
6144 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6146 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
6147 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
6148 PARM_BOUNDARY): Remove unnecessary casts.
6150 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
6152 * calls.c (precompute_arguments): Remove must_preallocate and
6154 (expand_call): Update call of precompute_arguments.
6156 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
6157 check_insn_for_givs): Break out from ...
6158 (strength_reduce) ... here; use for_every_insn_in_loop to call
6159 check_insn_for_givs.
6160 * loop.h (for_every_insn_in_loop): Declare.
6161 (loop_insn_callback): New type.
6163 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
6165 * cpplib.c (do_pragma_poison): Strings in the token buffer are
6168 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
6170 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
6173 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
6175 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
6177 * configure.in: Delete --disable-cpplib option and all
6178 references to cpp_main.
6179 * configure: Regenerate.
6180 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
6181 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
6182 cccp.o, cccp, or cppmain. Link cppmain.o straight to
6183 cpp$(exeext). Add --no-headers to makeinfo command line when
6184 generating INSTALL. Install and uninstall cpp.1 manpage, not
6186 * install.texi: Delete all references to cexp.y/cexp.c.
6187 Delete ancient instructions for compiling GCC on 3b1.
6188 * INSTALL: Regenerate.
6190 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
6191 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
6192 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
6194 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
6195 which is no longer tested anywhere.
6197 * cppinit.c (handle_option): Don't run error message through
6200 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6202 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
6203 * cpperror.c (hashtab.h): Now include.
6204 * cppexp.c (hashtab.h): Likewise.
6205 * cpplex.c (hashtab.h): Likewise.
6206 * cppfiles.c (hashtab.h): Likewise.
6207 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
6208 to htab_find_slot_with_hash.
6209 * cpphash.c (hashtab.h): Now include.
6210 (_cpp_lookup_slot): INSERT is now enum insert_option.
6211 * cpphash.h (_cpp_lookup_slot): Likewise.
6212 * cppinit.c (hashtab.h): Include earlier.
6213 (initialize_builtins): Pass enum to htab_find_slot.
6214 * cpplib.c (hashtab.h): Now include.
6215 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
6216 (do_pragma_poison, do_assert): Likewise.
6217 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
6218 htab_find_slot_with_hash.
6219 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
6220 * tree.c (type_hash_add): Likewise.
6221 (build1): Minor cleanup.
6223 * ggc-common.c: Add missing blanks.
6224 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
6225 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
6227 * stmt.c (mark_case_node): New function.
6228 (mark_case_nesting): Call it.
6230 * expmed.c (emit_store_flag): If comparing two-word integer
6231 with zero, can optimize NE, EQ, GE, and LT.
6233 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
6234 * conflict.c: Minor cleanups.
6235 * optabs.c: Add blank line
6236 * simplify-rtx.c: Minor cleanups.
6238 2000-04-18 Stan Cox <scox@cygnus.com>
6240 * gengenrtl.c (genlegend): Fix misspelling.
6242 2000-04-18 Robert Lipe <robertlipe@usa.net>
6244 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
6245 bitfields of the host compiler are not signed quantities.
6246 * config.in: Regenerate.
6247 * configure: Regenerate.
6248 * system.h (USE_ENUM_BITFIELDS): Added.
6249 (ENUM_BITFIELDS): Added.
6250 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
6251 (SHORT_ENUM_BUG): Deleted.
6252 * tree.h (tree_common): Members `code', `mode', `built_in_class',
6254 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
6255 (CODE_FIELD_BUG): Likewise.
6256 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
6258 * config/m68k/x-ccur (X_CFLAGS): Likewise.
6260 2000-04-18 Mark Mitchell <mark@codesourcery.com>
6262 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
6265 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
6267 * cppexp.c (lex): Don't assume tokens are NUL terminated.
6268 * cpplib.c (do_include, do_import, do_include_next,
6269 read_line_number, detect_if_not_defined): Likewise.
6270 * cpphash.c (collect_expansion): Likewise.
6271 (special_symbol, _cpp_macroexpand): Check return from
6273 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
6274 macros. Delete all uses.
6276 * gcc.dg/cpp-mi.c: Add two more test cases.
6277 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
6279 2000-04-17 Richard Henderson <rth@cygnus.com>
6281 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
6282 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
6284 2000-04-17 Mark Mitchell <mark@codesourcery.com>
6286 * function.c (expand_function_start): Use hard_function_value to
6287 compute the RTL to use for DECL_RESULT.
6289 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
6291 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
6292 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
6293 x86_memory_mismatch_stall): New global variables.
6294 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
6295 alloved; fix load penalties for Athlon.
6296 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
6297 x86_memory_mismatch_stall): Declare.
6298 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
6299 TARGET_MEMORY_MISMATCH_STALL): New.
6300 * i386.md (athlon scheduling parameters): Fix latencies according to
6301 Athlon Optimization Manual.
6302 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
6304 (fsqrt instruction patterns): Set athlon_decode to direct.
6305 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
6306 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
6307 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
6308 and TARGET_PARTIAL_REGISTER_STALL machines.
6309 (pushdf_nointeger): New pattern.
6310 (pushdf_integer): Rename from pushdf.
6311 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
6312 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
6314 2000-04-17 Richard Henderson <rth@cygnus.com>
6316 * loop.c (canonicalize_condition): Add WANT_REG argument.
6317 Stop the search if we match it.
6318 * expr.h (canonicalize_condition): Update decl.
6319 * predict.c (expected_value_to_br_prob): Use it. Track last
6320 expected value note.
6321 (find_expected_value): Remove.
6323 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
6325 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
6327 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
6328 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
6330 * configure.in: Call AC_FUNC_MMAP_FILE.
6331 * configure: Regenerate.
6332 * config.in: Regenerate.
6334 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
6335 * fixinc/fixincl.c: Likewise.
6337 2000-04-17 Richard Henderson <rth@cygnus.com>
6339 * builtins.c (expand_builtin_expect): New.
6340 (expand_builtin): Call it.
6341 * builtins.def (BUILT_IN_EXPECT): New.
6342 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
6343 * extend.texi: Document it.
6345 * predict.c (expected_value_to_br_prob): New.
6346 (find_expected_value): New.
6347 * basic-block.h (expected_value_to_br_prob): Declare.
6348 * toplev.c (rest_of_compilation): Invoke it.
6350 * rtl.h (NOTE_EXPECTED_VALUE): New.
6351 (NOTE_INSN_EXPECTED_VALUE): New.
6352 * rtl.c (note_insn_name): Update.
6353 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
6354 cases; handle NOTE_INSN_EXPECTED_VALUE.
6356 2000-04-17 Jakub Jelinek <jakub@redhat.com>
6358 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
6359 leaf sibcall delay slot if flag_pic.
6360 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
6362 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6364 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
6366 * fixproto: If fix-header fails, exit with an error.
6368 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
6370 * cse.c (struct check_depdendence_data): New.
6371 (check_dependence): New function.
6372 (invalidate): Use check_depdenence.
6374 2000-04-16 Mark Mitchell <mark@codesourcery.com>
6376 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
6377 UNITS_PER_WORD is unsigned.
6379 * tree.h (struct tree_common): Remove misleading comment.
6381 2000-04-16 Dave Pitts <dpitts@cozx.com>
6383 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
6384 message in quotes. Otherwise, IBM's make program treats the '#' as the
6385 start of a comment and ignores the remainder of the line.
6387 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
6389 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
6390 * cexp.y (initialize_random_junk): Likewise.
6391 * cppfiles.c (find_include_file): Cast alloca return value.
6392 * cppinit.c (initialize_standard_includes): Likewise.
6393 * cpplib.c (cpp_define, cpp_undef): Likewise.
6394 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
6395 * final.c (output_asm_insn): Allow for holes in EBCDIC.
6396 * fold-const.c (CHARMASK): New.
6397 (real_hex_to_f): Use it.
6398 * real.c (CHARMASK): New.
6399 (etoasc, asctoeg): Use it.
6400 (asctoeg): EBCDIC lower case characters preceed upper case.
6402 * i370.c (mvs_add_label): Change spacing for coding conventions.
6403 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
6404 outputing case vectors.
6405 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
6406 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
6407 since vector in in the data CSECT.
6408 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
6409 * i370.md (Many patterns): Put the length in the XL directives.
6410 (movdi): Put back STM and MVC in definition.
6411 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
6412 pattern using the TCA.
6413 * oe.h (CPP_SPEC): Added to allow trigraphs.
6414 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
6415 not support the "long long" type.
6417 2000-04-16 Mark Mitchell <mark@codesourcery.com>
6419 * config/mips/mips-protos.h (mips_legitimate_address_p): New
6421 (mips_reg_mode_ok_for_base_p): Likewise.
6422 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
6423 (REG_OK_FOR_INDEX_P): Define unconditionally.
6424 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
6425 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
6426 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
6427 that GET_MODE_SIZE is unsigned.
6428 (mips_reg_mode_ok_for_base_p): Define.
6429 (mips_legitimate_address_p): Likewise. Adjust now
6430 that GET_MODE_SIZE is unsigned.
6431 (block_move_loop): Make the number of bytes unsigned.
6432 (expand_block_move): Likewise.
6433 (function_arg): Make the loop counter unsigned to match the
6436 2000-04-16 Richard Henderson <rth@cygnus.com>
6438 * rtl.h (enum insn_note): New enumeration. Subsume
6439 NOTE_INSN_DELETED and friends.
6440 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
6441 * rtl.c (note_insn_name): Tweak string order.
6443 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
6445 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
6448 * cpplex.c (output_line_command): Remove debugging prints.
6449 (cpp_output_tokens): Don't write out a zero-length buffer or
6450 try to see if it has a newline in it.
6451 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
6452 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
6453 the end of the loop. Use memmove. Don't read past the end of
6454 the buffer. Remove trailing newlines from error messages.
6456 2004-04-16 Neil Booth <NeilB@earthling.net>
6458 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
6459 * cpplib.c: Add new syntax flags to directive table, and
6462 2000-04-15 Ulrich Drepper <drepper@redhat.com>
6464 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
6467 2000-04-15 David Edelsohn <edelsohn@gnu.org>
6469 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
6470 * haifa-sched.c: Update -fsched-verbose comments to use "=".
6472 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6474 * Makefile.in (ggc-page.o): Now includes toplev.h.
6475 * ggc-page.c (toplev.h): Now included.
6476 (gc_time): Remove declaration.
6477 (ggc_collect): TIME now long.
6478 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
6480 * toplev.h (gc_time, parse_time, gc_time): New declarations.
6482 * toplev.c: Make *_time variable long to reduce chance of overflow.
6483 (TIMEVAR): Likewise for `otime'.
6484 (print_time): Arg is now long; compute percentage in FP and round.
6485 * toplev.h (print_time): Arg is long.
6487 * tree.c: Minor whitespace changes.
6489 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
6490 * configure: Rebuilt.
6491 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
6492 (__fixunsxfDI): Renamed from __fixunsxfdi.
6493 (__fixunsdfDI): Renamed from __fixunsdfdi.
6494 (__fixunssfDI): Renamed from __fixunssfdi.
6495 (__floatdisf): Use proper type in REP_BIT macro.
6496 (__fixunsxfSI): Renamed from __fixunsxfsi.
6497 (__fixunsdfSI): Renamed from __fixunsdfsi.
6498 (__fixunssfSI): Renamed from __fixunssfsi.
6499 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
6500 Change location of macros and upper-case some names as above.
6501 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
6502 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
6504 * varasm.c (assemble_variable): Add cast to remove warning.
6505 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
6507 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
6508 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
6509 region number to -1.
6511 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
6513 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
6514 call unshare_all_rtl.
6516 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
6518 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
6520 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
6521 Use .s1 not .s0 for all FP instructions.
6523 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
6525 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
6527 (safe_fwrite, output_line_command): New static functions.
6528 (cpp_expand_to_buffer): Now private to cpplib.
6529 (cpp_scan_buffer): Take a printer.
6531 * cpphash.h: Update prototypes.
6532 * cpplib.h: Update prototypes.
6534 (cpp_buffer): Remove last_nominal_fname.
6535 (cpp_reader): Remove lineno.
6537 * cppmain.c: Use a cpp_printer.
6538 * fix-header.c: No need to inhibit line commands. Call
6539 cpp_start_read with no printer.
6541 * cpperror.c (cpp_notice_from_errno): Provide default name.
6542 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
6543 (find_include_file, cpp_read_file): Use make_IHASH.
6544 (file_cleanup): Set control_macro and clear
6545 input_stack_listing_current here.
6546 (_cpp_execute_include): Don't output entering-file marker.
6547 * cpphash.c (special_symbol): Look for the line number in the
6548 buffer, not the reader.
6549 (_cpp_macroexpand): No need to disable line commands.
6550 (_cpp_dump_definition): No need to generate line commands.
6551 (dump_hash_helper): Remove excess newline from output.
6552 * cppinit.c (dump_special_to_buffer): No need to generate line
6554 (cpp_printer_init): New.
6555 (cpp_start_read): Take a printer, and start it up if it's not
6556 NULL. No need to generate line commands.
6557 (cpp_finish): Expect no buffers stacked at all. Take a
6558 printer argument, and flush the output buffer if it's not
6560 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
6561 Don't put two hashes at the beginning of an assertion.
6562 (cpp_get_token): Don't increment pfile->lineno or emit line
6563 commands here. Return EOF if there's no buffer when we get
6565 * cpplib.c (do_define, skip_if_group):
6566 No need to disable line commands.
6567 (_cpp_output_line_command): Delete function.
6568 (do_line): Don't emit line commands here, but set things up so
6569 they will be emitted if necessary. Use _cpp_fake_ihash to
6570 make unique nominal_fnames if necessary.
6571 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
6572 with 0 for column, not -1.
6573 (_cpp_handle_eof): Don't set the control macro here. Don't
6574 clear input_stack_listing_current here. Don't emit line
6577 2000-04-14 Geoff Keating <geoffk@cygnus.com>
6579 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
6580 always, use the default SVR4 start address.
6582 * config/rs6000/linux.h (LINK_SPEC): Don't define.
6583 (LINK_SHLIB_SPEC): Define.
6584 (LINK_START_DEFAULT_SPEC): Define.
6585 (LINK_OS_DEFAULT_SPEC): Define.
6587 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
6589 * config/rs6000/eabi.asm (__eabi): Call __init rather than
6590 __do_global_ctors to handle constructors.
6591 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
6592 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
6593 (STARTFILE_MVME_SPEC): Likewise.
6594 (STARTFILE_SIM_SPEC): Likewise.
6595 (ENDFILE_ADS_SPEC): Use crtend.
6596 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
6597 (ENDFILE_MVME_SPEC): Likewise.
6598 (ENDFILE_SIM_SPEC): Likewise.
6599 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
6600 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
6601 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
6602 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
6603 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
6604 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
6605 (CRTSTUFF_T_CFLAGS_S): Define.
6606 * config/rs6000/eabi-ctors.c: Delete.
6608 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
6611 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
6615 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
6617 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
6618 plus mask size is smaller or equal to the mode size.
6620 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6622 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
6625 * expr.c (reload.h): Now included.
6626 (emit_block_move): Set volatile_ok when checking for movstr.
6627 (emit_move_1): Check for replacements in addresses in multi-word case.
6628 * Makefile.in (expr.o): Now includes reload.h.
6630 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
6631 Never have a LIBCALL end a basic block.
6632 (find_basic_blocks_1): Likewise.
6633 Reorganize CALL_INSN cases.
6635 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
6637 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
6639 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
6640 completers from mov.ret instruction.
6642 2000-04-14 Richard Henderson <rth@cygnus.com>
6644 * fold-const.c (extract_muldiv): Don't distribute and widen
6645 multiply across plus for non-sizetype unsigned types.
6647 2000-04-14 Richard Henderson <rth@cygnus.com>
6649 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
6650 If the original source is dead in the incr insn, it's dead now.
6652 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6654 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
6655 see if DECL_BIT_FIELD needs to still be set.
6657 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
6659 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
6660 print_int_cst_octal with something that's not an INTEGER_CST.
6662 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
6663 and not a SUBREG to a FLOAT rtl.
6665 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
6667 * emit-rtl.c (try_split): Avoid infinite loop if the split
6668 results in a sequence that contains the original insn.
6670 2000-04-13 Andreas Jaeger <aj@suse.de>
6672 * config/mips/mips.c (expand_block_move): Pass alignment
6673 argument to move_by_pieces in bits, not bytes.
6675 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
6676 __pic__ for little endian.
6678 2000-04-13 Andreas Jaeger <aj@suse.de>
6680 * config/i386/i386-protos.h: Add prototype for
6681 uno_comparison_operator.
6683 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
6685 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
6686 * calls.c (ECF_PURE): New flag.
6687 (emit_call_1): Handle ECF_PURE calls.
6688 (initialize_argument_information): Unset ECF_PURE flag too.
6689 (precompute_arguments): Precompute for ECF_PURE too.
6690 (expand_call): Handle ECF_PURE calls too.
6691 (emit_library_call_value_1): Rename no_queue argument to fn_type,
6692 accept value of 2 as pure function.
6693 (emit_library_call_value, emit_library_call): Rename no_queue argument
6695 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
6697 * tree.h (DECL_IS_PURE): New macro.
6698 (struct tree_decl): Add pure_flag.
6699 * c-common.c (enum attrs): Add attribute "pure".
6700 (init_attributes): Initialize attribute "pure"
6701 (decl_attributes): Handle attribute "pure".
6702 * extend.texi (Attribute "pure"): Document.
6703 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
6705 (flags_from_decl_or_type): Support attribute "pure".
6707 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
6709 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
6710 the token except for numbers and identifiers.
6712 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
6714 * i386.c (ix86_expand_binary_operator,
6715 ix86_expand_unary_operator): Check no_new_pseudos
6716 instead of reload_in_progress and reload_completed.
6717 (ix86_split_ashldi, ix86_split_ashrdi,
6718 ix86_split_lshrdi): Check no_new_pseudos instead
6719 of reload_completed.
6721 2000-04-12 Jeffrey A Law (law@cygnus.com)
6723 * function.c (purge_addressof): Unshare any shared rtl created by
6724 purge_addressof and its children.
6726 2000-04-12 Mark Mitchell <mark@codesourcery.com>
6728 * function.c (aggregate_value_p): VOID_TYPE nodes are never
6731 2000-04-05 Andreas Jaeger <aj@suse.de>
6733 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
6734 not compiling PIC code, add flags for mabi=64.
6735 (SUBTARGET_CPP_SIZE_SPEC): New.
6736 (SUBTARGET_CPP_SPEC): New.
6737 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
6738 for MIPS/Linux and lots of code needs these defines.
6740 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
6742 * reorg.c (fill_slots_from_thread): Check side_effects_p when
6743 trying the "opposite arithmetic" approach.
6745 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6747 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
6748 (struct sh_args): Add new field force_mem.
6749 (INIT_CUMULATIVE_ARGS): Initialize it.
6750 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
6752 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
6754 * calls.c (expand_call): Do not reverse args in "equal from" field.
6755 (emit_library_call_value_1): Emit_libcall_block for const and pure
6758 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6760 * reload1.c (reload_combine): Don't enable optimization for fixed
6761 registers when encountering a BARRIER.
6763 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
6765 * builtins.c (expand_builtin_memcmp): Do expansion even with
6766 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
6768 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
6769 stack is propertly aligned; add sanity checking for aligned
6771 (expand_library_call_value_1): Add sanity checking for aligned
6774 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
6776 * calls.c (emit_library_call_value_1): Change 3rd arg to
6777 locate_and_pad_parm to disregard the setting of partial.
6779 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6781 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
6783 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
6784 CALL_INSN from the normal case.
6786 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
6788 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
6789 New global variables.
6790 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
6792 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
6794 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
6795 TARGET_ADD_ESP_8): New macros.
6796 * i386.md: Add peep2s to convert esp adjustments to push and pop
6798 (pushsi_prologue, popsi_epilogue): New patterns.
6800 2000-04-12 Jakub Jelinek <jakub@redhat.com>
6802 * real.c (toe64): Remove stale #endif from the last change.
6804 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
6806 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
6807 * real.c (toe64): Revert previous change.
6809 2000-04-12 Jakub Jelinek <jakub@redhat.com>
6811 * objc/objc-act.c: Include ggc.h.
6812 (objc_tree_index, objc_global_trees): Convert most of the
6813 static tree variables into a static array with previous names
6815 (objc_ellipsis_node): New variable.
6816 (lang_init): Call objc_act_parse_init and c_parse_init.
6817 Create objc_ellipsis_node.
6818 (build_selector_translation_table): Use objc_ellipsis_node instead
6820 (hack_method_prototype): Likewise.
6821 (get_arg_type_list): Likewise.
6822 (start_method_def): Likewise.
6823 (continue_method_def): Likewise.
6824 (gen_method_decl): Likewise.
6825 (ggc_mark_imp_list): New function.
6826 (ggc_mark_hash_table): New function.
6827 (objc_act_parse_init): New function.
6828 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
6829 * c-parse.in (c_parse_init): For objc add roots of objc specific
6830 local tree variables.
6831 * objc/objc-parse.y: Rebuilt.
6832 * objc/objc-parse.c: Rebuilt.
6833 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
6835 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
6837 * cse.c (delete_trivially_dead_insns): Also delete insns
6838 that copy a register to itself where the destination is
6841 2000-04-11 Richard Henderson <rth@cygnus.com>
6843 * flow.c (struct propagate_block_info): Add new_dead, new_live.
6844 (propagate_block): Initialize them. Use them in parallel instead
6845 of one tmp variable, ie revert much of the 0408 and 0407 functional
6846 changes, but keep the structural changes.
6847 (mark_set_regs): Take new_dead from propagate_block_info instead.
6848 (mark_set_1, mark_set_reg): Likewise.
6849 (mark_used_regs): Likewise with new_live.
6850 (mark_used_reg): Likewise. Revert 0408 change.
6852 2000-04-11 Nick Clifton <nickc@cygnus.com>
6854 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
6856 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
6858 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6860 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
6861 const section to output a CONSTRUCTOR based on the same conditions
6864 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
6866 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
6867 * pa/pa-protos.h (output_call): Add additional argument indicating
6868 if the call is a sibling/tail call.
6869 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
6870 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
6871 (function_arg, function_arg_partial_nregs): Likewise
6872 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
6873 (emit_move_sequence): Zero extend certain constants as needed
6875 (compute_zdepdi_operands, output_64bit_and): New functions.
6876 (output_64bit_ior, function_arg): Likewise.
6877 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
6878 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
6879 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
6880 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
6881 (output_bvb): Likewise.
6882 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
6883 (output_call): New argument 'sibcall'. Generate sibcall sequences
6885 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
6886 (ouput_arg_descriptor): Do not emit argument descriptors for
6888 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
6890 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
6891 (FUNCTION_OK_FOR_SIBALL): Define.
6892 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
6893 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
6894 (CPP_SPEC): Use new spec infrastructure.
6895 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
6896 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
6897 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
6898 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
6899 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
6900 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
6901 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
6902 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
6903 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
6904 (FUNCTION_ARG); Call out to C code.
6905 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
6906 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
6907 (MIN_UNITS_PER_WORD): Likewise.
6908 * pa/pa.md (cmpdi): New expander.
6909 (scc patterns, movstrsi): Not available for TARGET_64BIT.
6910 (64bit conditional arithmetic): New patterns.
6911 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
6912 (movsicc): Not available if modes on all the operands to not match.
6913 (movdicc): New expander and associated patterns.
6914 (64bit branches): New patterns.
6915 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
6916 (pre_ldd, post_std): New patterns.
6917 (64bit addil, load low part): New patterns.
6918 (special movsf constant): Not available for TARGET_64BIT.
6919 (movsf, movdf expanders): Force constants into memory.
6920 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
6921 (64bit movdf/movdi patterns): New patterns.
6922 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
6924 (extendqidi2, extendhidi2, extendsidi2): Similarly.
6925 (adddi3 expander): Allow "arith_operand" for second input.
6926 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
6927 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
6928 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
6929 (muldi3): New expander for TARGET_64BIT.
6930 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
6932 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
6933 patterns for TARGET_64BIT.
6934 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
6935 patterns for TARGET_64BIT.
6936 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
6937 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
6938 (sibcall_epilogue): New expander.
6939 (casesi): Tweak for TARGET_64BIT.
6940 (call expanders): Set & use the outgoing argument pointer. Use the
6941 64bit call patterns as needed. Add additional arg to output_call.
6942 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
6943 (sibcall, sibcall_internal_symref): New expanders.
6944 (sibcall_value, sibcall_value_internal_symref
6945 (interspace_jump): Turn into an expander + matching patterns.
6946 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
6947 * pa/pa64-regs.h: Eliminate trigraph sequences.
6948 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
6950 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
6952 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
6953 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
6954 cpp_token with cpp_ttype everywhere.
6955 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
6956 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
6957 CPP_BUF_COL. Line and column numbers are unsigned int, not
6959 * cpplex.c (cpp_buf_line_and_col): Delete.
6960 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
6961 'long lineno' to 'unsigned int lineno'.
6962 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
6964 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6966 * extend.texi: ISO C99 is not a draft anymore.
6967 * invoke.texi: ISO C++ is not a draft anymore.
6968 * cpp.texi: __cplusplus is required by the ISO standard.
6970 * extend.texi (-fthis-is-variable): Undocument.
6971 * flags.h (warn_template_debugging): Remove declaration.
6972 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
6973 -Wenum-clash, -Wtemplate-debugging): Undocument.
6975 2000-04-10 Nick Clifton <nickc@cygnus.com>
6977 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
6979 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
6981 (ARM_SIGN_EXTEND): Use HOST_UINT.
6982 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
6983 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
6984 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
6985 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
6987 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
6988 (arm_gen_constant): Use HOST_UINT.
6989 (arm_canonicalize_constant): Use HOST_UINT.
6990 (arm_reload_in_hi): Use HOST_UINT.
6991 (arm_reload_out_hi): Use HOST_UINT.
6992 (output_multi_immediate): Use HOST_UINT.
6993 (int_log2): Use HOST_UINT.
6994 (arm_poke_function_name): Use HOST_UINT.
6995 (arm_output_epilogue): Use arm_volatile_func().
6996 (output_thumb_prologue): Use arm_strip_name_encoding().
6998 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7000 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
7001 of sequence point problems.
7003 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
7005 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
7007 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
7009 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7011 * sbitmap.h: Whitespace changes and use upper-case macro args.
7012 (struct simple_bitmap_def): All sizes now unsigned.
7013 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
7014 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
7015 (sbitmap_vector_alloc): Parms and local vars now unsigned.
7016 (sbitmap_zero): Cast bzero arg to PTR.
7017 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
7018 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
7019 loop to make structure clearer.
7020 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
7021 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
7022 (sbitmap_a_and_b_or_c): Likewise.
7023 (sbitmap_intersection_of_succs): Minor cleanups.
7024 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
7025 (sbitmap_union_of_preds): Likewise.
7026 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
7027 (debug_sbitmap): New function.
7029 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
7030 * c-typeck.c (convert_for_assignment): Likewise.
7032 * expmed.c (init_expmed): Don't free objects we make.
7033 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
7035 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
7036 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
7038 * gcse.c (expr_hash_table_size): Now unsigned.
7039 (compute_ae_gen): Local variable `i' now unsigned.
7040 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
7041 (compute_transout, hoist_code): Likewise.
7042 (compute_local_properties): Likewise, also hash_table_size.
7043 (alloc_expr_hash_table): N_INSNS now unsigned.
7044 (delete_null_pointer_checks): Mark arg F as unused.
7046 * regrename.c: Minor cleanups, including chang some variables
7049 2000-04-10 Neil Booth <NeilB@earthling.net>
7051 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
7053 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
7055 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7057 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
7058 __classof__, and __headof__ from the list of gnu keywords.
7059 (-ansi): Remove -foperator-names from list of implied options.
7060 Do not call it ANSI C++.
7061 (-foperator-names): Document as -fno-operator-names.
7063 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
7065 * cpphash.c (timestamp): Delete.
7066 (del_HASHNODE): If type is T_MCONST, free value.cpval.
7067 (special_symbol): Remove unnecessary braces. Remove
7068 T_VERSION. Treat T_STDC like T_CONST unless
7069 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
7070 when one is encountered, then convert them into T_MCONST
7072 * cppinit.c (builtin_array): version_string is T_MCONST.
7073 __STDC__ has a "1" in its cpval. Don't have a terminator
7074 entry. Clean up which entries are dumped.
7075 (initialize_builtins): Only __STDC__ gets the special
7076 -traditional treatment. Count the length of builtin_array.
7077 Render version_string here.
7078 * cpphash.h: Remove T_VERSION. Add T_MCONST.
7079 * cpplib.h (struct cpp_reader): Remove timebuf.
7081 2000-04-09 Richard Henderson <rth@cygnus.com>
7083 * genrecog.c (pred): Update comparison_operator for the unordered
7086 * config/i386/i386.c (no_comparison_operator): Disallow unordered
7088 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
7089 (uno_comparison_operator): New.
7090 (put_condition_code): Handle UNORDERED/ORDERED.
7091 (unsigned_comparison): Likewise.
7092 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
7093 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
7094 (ix86_expand_fp_compare): Use them. Take scratch as argument,
7095 update all callers. Handle all 8 unordered operators.
7096 (ix86_expand_setcc): Lose the unordered argument, update all callers.
7097 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
7098 * config/i386/i386.h (PREDICATE_CODES): Update.
7099 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
7100 (ix86_expand_branch, ix86_expand_setcc): Update.
7101 * config/i386/i386.md (sunordered, sordered): New.
7102 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
7103 (bunordered, bordered): New.
7104 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
7105 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
7106 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
7108 2000-04-09 Philip Blundell <philb@gnu.org>
7110 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
7112 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
7114 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
7115 fix_truncxfhi2): New patterns.
7116 * i386.c (output_fix_trunc): Handle converting to HImode.
7118 2000-04-08 Alex Samuel <samuel@codesourcery.com>
7120 * ssa.c (convert_to_ssa): Eliminate dead code when calling
7122 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
7123 (for_each_successor_phi): Change parameter to basic_block.
7124 (coalesce_regs_in_successor_phi_nodes): Likewise.
7125 (coalesce_regs_in_copies): Likewise.
7126 (compute_coalesced_reg_partition): Use basic_block instead of index.
7127 * rtl.h (convert_to_ssa): Delete.
7128 (convert_from_ssa): Likewise.
7129 (successor_phi_fn): Likewise.
7130 (for_each_successor_phi): Likewise.
7131 (in_ssa_form): Likewise.
7132 * basic-block.h (convert_to_ssa): Moved from rtl.h.
7133 (convert_from_ssa): Likewise.
7134 (successor_phi_fn): Likewise.
7135 (in_ssa_form): Likewise.
7136 (for_each_successor_phi): Likewise. Change parameter to basic_block.
7137 * flow.c (calculate_global_regs_live): Pass a basic_block to
7138 for_each_successor_phi.
7140 2000-04-08 Richard Henderson <rth@cygnus.com>
7142 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
7143 was modified in the current insn.
7145 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
7147 * arm/thumb.md: Delete.
7148 * arm/thumb-protos.h: Delete.
7150 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
7152 Merge changes from merged-arm-thumb-backend-branch onto trunk.
7154 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
7156 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
7159 * arm.md (nop): Use the standard RTL expression. Don't code as a
7161 (*arm_nop, *thumb_nop): Delete.
7163 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
7164 constants. Use casts instead.
7165 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
7166 output_multi_immediate, arm_poke_function_name): Likewise.
7167 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
7168 MASK_RETURN_ADDDR): Likewise.
7170 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
7172 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
7175 * arm.md (eh_epilogue): New function.
7176 * arm.h (struct machine_function): Move to here ...
7177 * arm.c: ... from here.
7178 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
7179 (thumb_exit): Extra parameter eh_ofs. All callers changed.
7180 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
7182 2000-03-30 Nick Clifton <nickc@cygnus.com>
7184 * config/arm/semi.h (ASM_SPEC): Restore definition.
7185 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
7187 * config/arm/elf.h (ASM_SPEC): Restore definition.
7188 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
7190 * config/arm/arm.h (ASM_SPEC): Remove definition.
7191 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
7193 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
7195 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
7197 2000-03-24 Nick Clifton <nickc@cygnus.com>
7199 Various formating tidyups, elimination of compile time
7200 warnings and synchronisation with internal sources:
7202 * config/arm/arm-protos.h (assemble_align): Add prototype.
7203 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
7204 (gen_comapre_reg): Rename to arm_gen_compare_reg.
7205 (arm_return_addr_rtx): Rename to arm_return_addr.
7207 * config/arm/arm.c: Include except.h.
7208 Define shorter typenames for strict minipool_node and struct
7210 (arm_return_in_memory): For WinCE return all structures <= 32 bits
7212 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
7213 (gen_comapre_reg): Rename to arm_gen_compare_reg.
7215 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
7217 (ASM_SPEC): Define if not already defined.
7218 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
7220 * config/arm/arm.md: Rename references to gen_rotated_half_load to
7221 arm_gen_rotated_half_load, and references to gen_comapre_reg to
7222 arm_gen_compare_reg.
7223 (indirect_jump): Only accept register operands.
7224 (load_indirect_jump): Keep this pattern since combine can generate
7227 * config/arm/coff.h: Include aout.h.
7228 (MULTILIB_DEFAULTS): Only define if not already defined.
7230 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
7231 into arm.h (so that COFF ports can support thumb based aliases).
7232 (ASM_SPEC): Move definition into arm.h
7234 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
7235 redundant apcs spec.
7236 (ASM_SPEC): Move definition to arm.h
7238 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
7240 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
7241 for entries in the .bss section
7243 2000-03-23 Nick Clifton <nickc@cygnus.com>
7245 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
7246 to thumb_far_jump_used_p.
7248 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
7249 single integer parameter.
7251 * config/arm/arm.c (struct machine_function): Add two new
7252 fields, 'far_jump_used' and 'arg_pointer_live'.
7253 (thumb_far_jump_used_p): Once the decision has been made that
7254 far jumps might be used, always return true.
7255 If being called from the initial elimination offset macro then
7256 do not bother to perform the test if the arg pointer is not
7258 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
7259 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
7261 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
7263 * arm.c (output_return_instruction): Handle more cases where we can
7264 return from a function with an ldr instruction.
7265 (arm_output_epilogue): Likewise.
7267 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
7268 if we need to push a large stack frame and there are no callee-saved
7271 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
7272 in ARM code if the frame pointer has been eliminated.
7274 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
7275 unspec_volatile arguments to avoid duplicates.
7276 (consttable_1, consttable_2): Fixes for big-endian mode.
7278 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
7281 Re-write constant pool code.
7282 * arm.c (minipool_node, minipool_fix): New types.
7283 (minifix): Delete type.
7284 (arm_add_minipool_constant): Delete.
7285 (arm_compute_minipool_offsets, arm_find_barrier,
7286 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
7287 (get_jump_table_size): Now returns HOST_WIDE_INT.
7288 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
7290 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
7291 (assign_minipool_offsets, arm_print_value): Likewise.
7292 (dump_minipool): Rewrite.
7293 (arm_barrier_cost): New function.
7294 (create_fix_barrier): New function.
7295 (push_minipool_barrier): New function.
7296 (push_minipool_fix): Record additional information about the fixup
7298 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
7299 check the mode of what needs fixing.
7300 (arm_reorg): Rewrite.
7302 2000-03-08 Nick Clifton <nickc@cygnus.com>
7304 * config/arm/arm.md (indirect_jump): Force constant addresses into
7307 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
7309 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
7311 2000-02-24 Nick Clifton <nickc@cygnus.com>
7313 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
7314 adjust is word aligned.
7315 (thumb_expand_epilogue): Make sure that stack adjust is word
7318 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
7320 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
7322 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
7323 pointer relative addresses.
7325 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
7327 * arm.c (find_barrier): Find the last barrier within the allowed
7330 2000-02-09 Nick Clifton <nickc@cygnus.com>
7332 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
7334 2000-02-09 Nick Clifton <nickc@cygnus.com>
7336 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
7337 ARM_FUNCTION_PROFILER.
7339 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
7340 ARM_FUNCTION_PROFILER.
7342 * config/arm/linux-oldld.h: Imported from mainline sources.
7344 2000-02-07 Nick Clifton <nickc@cygnus.com>
7346 * config/arm/lib1funcs.asm: Merge in thumb functions from
7349 * config/arm/lib1thumb.asm: Delete.
7351 2000-02-04 Nick Clifton <nickc@cygnus.com>
7353 * config/arm/arm.c: Sychronised with current Red hat local
7355 * config/arm/arm.h: Ditto.
7356 * config/arm/arm-protos.h: Ditto.
7358 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
7360 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
7362 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
7365 2000-02-02 Nick Clifton <nickc@cygnus.com>
7367 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
7369 * config/arm/arm.md (epilogue): Fix rtl checking abort because
7370 (return) was emited using an emit_insn() call.
7372 2000-01-31 Nick Clifton <nickc@cygnus.com>
7374 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
7376 (thumb_exit): Move frame pointer back into hard frame pointer
7377 register if backtracing is being used.
7379 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
7381 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
7384 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
7386 * config/arm/arm.md (neg_pool_offset): Provide default for new
7388 (arm_movsi_insn): Add neg_pool_offset attribute.
7389 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
7390 rtx for the insn that starts the scan and an unsigned long for its
7391 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
7392 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
7393 instructions in *PINSERTED.
7394 (struct minipool_fixup): Add MIN_ADDRESS elt.
7395 (sort_fixups): Compute it.
7396 (arm_reorg): Changes to support inserting pools before the insn to be
7399 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
7401 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
7402 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
7403 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
7405 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
7407 * config/arm/semi.h (TARGET_VERSION): Do not define if already
7409 (TARGET_DEFAULT): Do not define if already defined.
7411 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
7413 * config/arm/arm.md (anddi3): Allow disjoint source operands.
7414 (iordi3): Allow disjoint source operands.
7415 (xordi3): Allow disjoint source operands.
7416 (negdi2): Permit construction for ARM and Thumb.
7417 (arm_negdi2): Renamed version of old negdi2 pattern.
7418 (thumb_negdi2): New pattern: Only permit non-overlapping
7419 source and destination.
7421 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
7423 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
7424 scratch low register so that it will not be deleted.
7426 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
7428 * config/arm/pe.h (ARM_PE): Define.
7430 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
7431 interfacearm attribute if this is a PE toolchain.
7432 (output_return_instruction): Do not emit anything if the function
7433 has the naked attribute set.
7434 (is_called_in_ARM_mode): If the function has the interfacearm
7435 attribute then return true.
7436 (thumb_expand_prologue): Do not generate a prologue for naked
7438 (thumb_expand_epilogue): Do not generate an epilogie for a naked
7440 (output_thumb_prologue): Do not bother if the function is naked.
7441 Strip PE encoding from function name before emitting.
7443 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
7445 * arm.md (pic_load_addr): Fix constraints.
7447 * arm.md (casesi_insn): Fix mis-applied patch.
7449 * arm.md ("core" function unit): Add rules for single- and
7451 (All TARGET_THUMB patterns): Add "type" attribute information
7453 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
7454 the following insn is a CALL.
7456 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
7458 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
7459 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
7460 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
7462 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
7464 * config/arm/linux-gas.h: oops - this file was missed out when the
7465 branch was created...
7467 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
7469 * thumb.c: Deleted. Move contents to ...
7471 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
7473 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
7476 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
7477 declare a prototype for asm_output_align();
7479 * arm.c (thumb_condition_code): Delete.
7480 (arm_print_operand): Always use arm_condition_code array.
7482 * arm.c (thumb_return_addr_rtx): Delete.
7483 (arm_save_machine_status, arm_restore_machine_status): Delete.
7484 (arm_init_machine_status, arm_mark_machine_status): New functions.
7485 (arm_init_expanders): Update accordingly.
7486 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
7487 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
7488 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
7490 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
7492 * configure.in : Fix arm-*-aout target to use new t-arm-aout
7494 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
7497 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
7499 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
7500 stack backtrace structure.
7502 * config/arm/arm-protos.h: Add prototypes for functions defined in
7505 * config/arm/arm.c (arm_override_options): Fix selection of
7506 attributes of default processor.
7508 * config/arm/coff.h: Delete needless #include.
7510 * config/arm/pe.c: Delete unused code.
7512 * config/arm/pe.h (CPP_DEFINES): Delete
7513 (SUBTARGET_CPP_SPEC): Define.
7514 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
7516 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
7518 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
7520 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
7522 (CAN_DEBUG_WITHOUT_FP): Define.
7523 (FIXED_REGISTERS): Make r11 call-saved.
7524 (CALL_USED_REGISTERS): Likewise.
7525 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
7526 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
7527 frame-pointer is required.
7528 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
7529 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
7530 if the target normally needs a stack frame in non-leaf functions.
7531 (use_return_insn): Correct logic for determining when a return
7532 instruction can be used.
7533 (output_return_instruction): Handle the frame-pointer register as
7534 a normal register when not TARGET_APCS_FRAME.
7535 (arm_output_prologue): Likewise.
7536 (arm_output_epilogue): Likewise.
7537 (output_func_epilogue): Likewise.
7538 (arm_expand_prologue): Likewise.
7539 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
7541 * arm.c (use_return_insn): No need to check floating point regs if
7543 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
7544 the code of value stored in the minipool array.
7545 (arm_add_minipool_constant): Likewise.
7547 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7549 * basic-block.h (conflict_graph_enum_fn): K&R fix.
7551 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7553 * tree.c (tree_expr_nonnegative_p): New function.
7555 * tree.h (tree_expr_nonnegative_p): Declare.
7557 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
7558 elide some sign_compare warnings.
7559 (build_conditional_expr): Likewise.
7561 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
7563 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
7565 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
7566 * i386.c (print_operand): Use the proper suffix for a 387 HImode
7567 operand. Abort if a 387 operand has an unsupported size.
7569 2000-04-08 Neil Booth <NeilB@earthling.net>
7571 * cppexp.c (parse_charconst): Null does not end character
7573 * cppinit.c (ISTABLE): Null character handled as whitespace.
7574 * cpplex.c (null_warning): new function.
7575 (skip_string): Emit warning if nulls encountered.
7576 (_cpp_skip_hspace): Emit warning if nulls encountered.
7577 (_cpp_lex_token): Emit warning if nulls encountered. Drop
7581 2000-04-07 Richard Henderson <rth@cygnus.com>
7583 * flow.c (loop_depth): Remove.
7584 (reg_next_use, cc0_live, mem_set_list): Replace with ...
7585 (struct propagate_block_info): New.
7586 (life_analysis): Don't allocate reg_next_use.
7587 (propagate_block_delete_insn): Break out of propagate_block.
7588 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
7589 (propagate_block_delete_libcall): Likewise.
7590 (propagate_block): Create a propagate_block_info struct to pass
7591 to subroutines. Allocate one not two temporary regsets. Don't
7592 clobber memory for const calls. Look for clobbers in
7593 CALL_INSN_FUNCTION_USAGE.
7594 (mark_set_regs): Recognize COND_EXEC.
7595 (mark_set_reg): Break out of mark_set_1.
7596 (mark_used_reg): Break out of mark_used_regs.
7597 (mark_used_regs): Recognize COND_EXEC.
7598 (insn_dead_p): Use propagate_block_info struct.
7599 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
7600 (find_auto_inc, try_pre_increment_1): Likewise.
7601 (print_rtl_with_bb): Dump regs live at end too.
7602 (count_reg_sets_1): Pass in loop_depth.
7603 (count_reg_sets, count_reg_references): Likewise.
7604 (recompute_reg_usage): Provide it.
7606 2000-04-07 Richard Henderson <rth@cygnus.com>
7608 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
7611 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
7613 * cpplib.c (do_elif): Skip the rest of the line if we're
7614 not going to bother evaluating it.
7615 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
7616 to avoid pointless calls to the lexer.
7618 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
7620 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
7622 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
7624 * calls.c (expand_call): emit_queue if we're trying a sibcall.
7626 2000-04-07 Jakub Jelinek <jakub@redhat.com>
7628 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
7630 2000-04-06 Geoff Keating <geoffk@cygnus.com>
7632 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
7633 crtend so they can be multilibbed.
7634 (STAGESTUFF): Remove s-crt and s-crtS.
7636 2000-04-07 Richard Henderson <rth@cygnus.com>
7638 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
7639 if we discover we need a pseudo and no_new_pseudos is true.
7640 * config/alpha/alpha.md (ne:DI insn): New.
7641 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
7643 2000-04-07 Richard Henderson <rth@cygnus.com>
7645 * rtl.def (COND_EXEC): New.
7646 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
7647 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
7649 * genconfig.c (have_cond_arith_flag): Remove.
7650 (have_cond_exec_flag): New.
7651 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
7652 (main): Print HAVE_conditional_execution.
7654 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
7655 (sched_analyze_insn, print_pattern): Likewise.
7656 * reload.c (find_equiv_reg): Likewise.
7657 * rtlanal.c (reg_referenced_p): Likewise.
7658 (note_stores, dead_or_set_regno_p): Likewise.
7659 (reg_overlap_mentioned_p): Rewrite to use a switch.
7661 * ggc.h (struct rtx_def): Forward declare.
7663 * print-rtl.c (debug_rtx_range): New.
7664 * rtl.h (debug_rtx_range): Declare.
7666 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
7668 * gcse.c (gcse_main): Don't rebuild the CFG here.
7669 (delete_null_pointer_checks): Likewise.
7670 * ssa.c (convert_to_ssa): Likewise.
7671 * toplev.c (rest_of_compilation): Do it here instead. Combine
7672 sequential calls to TIMEVAR. Consistently use `insns' instead of
7673 `get_insns()'. Always split insns after reload when optimizing.
7675 * basic-block.h (merge_blocks_nomove): Declare.
7676 (tidy_fallthru_edge): Declare.
7677 * flow.c (merge_blocks_nomove): Document as merging into previous
7678 blocks. Remove cruft from between blocks; remove all edges out of A.
7679 (tidy_fallthru_edge): Export.
7681 2000-04-06 Alex Samuel <samuel@codesourcery.com>
7683 * ssa.c (compute_conservative_reg_partition): Declare with
7685 * toplev.c (clean_dump_file): Remove previously-deleted function
7686 inadvertantly merged back in.
7687 * conflict.c (conflict_graph_add): Use a single call to
7688 htab_find_slot to look up and insert.
7690 2000-04-06 Richard Henderson <rth@cygnus.com>
7692 * genrecog.c (*): Rename _last_insn to last_insn.
7693 (make_insn_sequence): Set the position of the peephole2 C test
7694 to be at the last insn.
7696 2000-04-06 Richard Henderson <rth@cygnus.com>
7698 * flow.c (compute_flow_dominators): Free worklist.
7700 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
7702 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
7704 2000-04-06 Alex Samuel <samuel@codesourcery.com>
7706 * rtl.h (INSN_P): New macro.
7707 (successor_phi_fn): New typedef.
7708 (for_each_successor_phi): New prototype.
7709 (in_ssa_form): New variable.
7710 (PHI_NODE_P): Likewise.
7711 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
7712 phi nodes in successors.
7713 (mark_used_regs): Add PHI case.
7714 (set_phi_alternative_reg): New function.
7715 (life_analysis): Assert that dead code elimination is not selected
7717 * toplev.c (to_ssa_time): New variable.
7718 (from_ssa_time): Likewise.
7719 (compile_file): Zero to_ssa_time and from_ssa_time.
7720 Print time to convert to and from SSA.
7721 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
7722 (print_time): Compute percent fraction as integer.
7723 * ssa.c (PHI_NODE_P): Moved to rtl.h.
7724 (convert_to_ssa): Check if we're already in SSA.
7725 Don't eliminate dead code in life_analysis.
7726 Rerun flow and life analysis at bottom.
7727 (eliminate_phi): Use canonical regnos when adding nodes.
7728 (mark_reg_in_phi): New function.
7729 (mark_phi_and_copy_regs): Likewise.
7730 (convert_from_ssa): Rerun life analysis at top.
7731 Use coalesced partition.
7732 Check for removing a phi node at the end of the block.
7733 (compute_coalesced_reg_partition): New function.
7734 (coalesce_regs_in_copies): Likewise.
7735 (coalesce_reg_in_phi): Likewise.
7736 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
7737 (for_each_successor_phi): Likewise.
7738 (rename_context): New struct.
7739 (rename_block): Use a rename_context with rename_insn_1. When
7740 renaming sets of a subreg, emit a copy of the entire reg first.
7741 (rename_insn_1): Treat data as a rename_context *. Save current
7743 (rename_set_data): Add field set_insn.
7744 * Makefile.in (HASHTAB_H): Move up in file.
7745 (OBSTACK_H): New macro.
7746 (collect2.o): Use OBSTACK_H in dependencies.
7747 (sdbout.o): Likewise.
7748 (emit-rtl.o): Likewise.
7749 (simplify-rtx.o): Likewise.
7750 (fix-header.o): Likewise.
7751 (OBJS): Add conflict.o.
7752 (conflict.o): New rule.
7753 * basic-block.h: Include partition.h.
7754 (conflict_graph): New typedef.
7755 (conflict_graph_enum_fn): Likewise.
7756 (conflict_graph_new): New prototype.
7757 (conflict_graph_delete): Likewise.
7758 (conflict_graph_add): Likewise.
7759 (conflict_graph_conflict_p): Likewise.
7760 (conflict_graph_enum): Likewise.
7761 (conflict_graph_merge_regs): Likewise.
7762 (conflict_graph_print): Likewise.
7763 (conflict_graph_compute): Likewise.
7764 * conflict.c: New file.
7766 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
7768 * tlink.c (read_repo_files): Don't look for .rpo info for
7771 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7773 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
7775 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7777 * config/sh/lib1funcs.asm (___udivsi3_i4):
7778 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
7779 only depends on FMOVD_WORKS.
7781 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7783 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
7784 make double constant 8-byte aligned.
7786 2000-04-06 Jakub Jelinek <jakub@redhat.com>
7788 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
7789 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
7790 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
7791 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
7792 Accept storing GENERAL_REGS into offsetable memory.
7793 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
7794 building a TFmode constant other than 0.0L into GENERAL_REGS.
7796 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
7798 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
7800 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
7802 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
7803 (macro_cleanup): No need to cast pbuf->macro.
7804 (collect_expansion): Use _cpp_get_define_token. Goto done if
7805 it returns VSPACE. Remove check for trailing space after
7807 (_cpp_create_definition): Don't diddle flags here. Return
7809 (unsafe_chars): Handle c1 being EOF.
7810 (push_macro_expansion): Use unsafe_chars for both accidental-paste
7811 checks. Don't push the buffer till after we're done with
7813 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
7814 (PEEKN, FORWARD, GETC, PEEKC): Use them.
7815 (cpp_push_buffer): Don't set new->alimit. Set new->mark
7817 (_cpp_parse_assertion): Don't NUL terminate.
7818 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
7819 hspace before calling _cpp_parse_assertion. Remove all sets
7820 of only_seen_white. Treat '\f' as hspace. Don't do anything
7821 special with '\n' here.
7822 (maybe_macroexpand): Handle T_EMPTY hash entries without
7823 pushing a buffer at all.
7824 (cpp_get_token): Handle clearing only_seen_white here. Handle
7825 incrementing the line number here. Clear
7826 potential_control_macro as well as only_seen_white, if
7828 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
7829 (_cpp_get_define_token): New function, basically like
7830 _cpp_get_directive_token was but doesn't eat horizontal space.
7831 Don't do anything with only_seen_white here.
7832 (_cpp_get_directive_token): Just call _cpp_get_define_token
7833 repeatedly till it returns non-hspace.
7835 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
7836 (conditional_skip, skip_if_group): Return int.
7837 (DIRECTIVE_TABLE): Change origin of all conditional directives
7839 (TRAD_DIRECT_P): New macro.
7840 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
7841 an error for a bogus directive, unless -lang-asm. Use
7842 TRAD_DIRECT_P. Loop calling handler functions till one returns
7844 (get_macro_name): Don't diddle flags here.
7845 (do_define): Diddle flags here. Use _cpp_get_directive_token.
7846 Create T_EMPTY nodes for #define macro /* nothing */.
7847 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
7848 Use hp->name when calling pass_thru_directive.
7849 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
7850 Return the result of conditional_skip and/or skip_if_group.
7851 Don't call _cpp_output_line_command.
7852 (consider_directive_while_skipping): Use _cpp_get_directive_token.
7853 Issue -Wtraditional warnings as appropriate. Don't complain
7854 about unrecognized directives. If we are to stop skipping,
7855 return the number of the directive that ended the skip.
7856 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
7857 expansion and line commands while skipping. Return the result
7858 of consider_directive_while_skipping, if nonzero.
7859 (do_endif): Just set potential_control_macro here.
7860 (validate_else): Use _cpp_get_directive_token.
7861 (do_assert, do_unassert): Don't save pointers into the
7862 token_buffer across calls to the lexer. Use
7863 _cpp_get_directive_token.
7865 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
7866 pointer, not an offset. Replace 'data', which was a generic
7867 pointer, with 'macro', which points to a struct hashnode.
7868 (cpp_reader): Add 'potential_control_macro' pointer.
7869 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
7870 (CPP_BUF_GET, CPP_FORWARD): Delete.
7871 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
7872 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
7873 ACTIVE_MARK_P): Update.
7874 (_cpp_get_define_token): New internal function.
7875 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
7877 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
7879 * configure.in: And here.
7880 * configure: Regenerate.
7881 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
7882 --enable-libstdcxx-v3 is passed at configure time.
7883 * config.h.in: Regenerate.
7885 2000-04-05 Mark Mitchell <mark@codesourcery.com>
7887 * final.c (final): Use xcalloc to allocate line_note_exists.
7888 * function.c (free_after_compilation): Free the temp_slots.
7889 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
7890 (combine_temp_slot): Free temp_slots when they get combined.
7891 (purge_addressof): Fix typo in comment.
7892 * stmt.c (mark_goto_fixup): Mark the fixup itself.
7893 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
7895 * ggc.h: Include varray.h.
7896 (ggc_pending_trees): Declare.
7897 (ggc_mark_tree_children): Remove declaration.
7898 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
7899 * ggc-common.c (ggc_pending_trees): New variable.
7900 (ggc_mark_roots): Call ggc_mark_trees.
7901 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
7902 the ggc_pending_trees.
7903 * Makefile.in (GGC_H): New variable. Use it throughout in place
7906 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7908 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
7911 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7913 * sh.c (sh_insn_length_adjustment): New function.
7914 * sh-protos.h (sh_insn_length_adjustment): Declare.
7915 * sh.h (ADJUST_INSN_LENGTH): Use it.
7917 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
7919 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
7920 from the insn where REG_RETVAL is added.
7921 (emit_no_conflict_block): Ditto.
7923 * md.texi (Standard Names): Clarify when movX is needed.
7925 * combine.c (simplify_comparison) [MINUS]: Do not replace
7926 all (op (minus A B) 0) with (op A B).
7928 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
7929 J"orn Rennecke <amylaar@cygnus.co.uk>
7931 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
7932 (block_lump_real): Likewise.
7934 2000-04-05 Chris Demetriou <cgd@netbsd.org>
7936 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
7937 remaining non-zero debugging masks.
7939 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
7941 * basic-block.h (verify_flow_info): Declare.
7942 (flow_loop_outside_edge_p): Declare.
7943 * flow.c (verify_flow_info): Remove declaration.
7944 (clear_log_links, flow_loop_outside_edge_p): Likewise.
7946 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
7948 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
7951 2000-04-05 Jakub Jelinek <jakub@redhat.com>
7953 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
7954 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
7955 seqdi_zero_trunc+1): Allow splits only if registers are
7958 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
7960 * acconfig.h: Add HAVE_GAS_HIDDEN.
7961 * config.in: Regenerated.
7962 * configure.in: Add test for .hidden pseudo-op in gas.
7963 * configure: Regenerated.
7964 * crtstuff.c: Include auto-host.h.
7965 Emit additional .hidden pseudo-op for __dso_handle if the
7966 assembler knows about it.
7968 2000-04-04 Philippe De Muyter <phdm@macqel.be>
7970 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
7971 before freeing argnames.
7972 * cpplib.c (do_ifndef): Cast return value of xstrdup.
7974 2000-04-05 Michael Meissner <meissner@redhat.com>
7976 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
7977 Walton <jonboy@gordian.com> to make memory references with update
7978 work wtih -mregnames.
7980 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7982 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
7983 (regrename_optimize): Rename variables `def_uses' and
7984 `ext_basic_blocks' to avoid conflicts with similarly named
7985 typedefs in traditional C.
7987 * calls.c (initialize_argument_information): Fix typo in previous
7990 2000-04-04 Richard Henderson <rth@cygnus.com>
7992 * regrename.c (consider_available): Test fixed_regs not
7993 PIC_OFFSET_TABLE_REGNUM.
7995 2000-04-04 Geoff Keating <geoffk@cygnus.com>
7997 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
7999 (CRTSTUFF_T_CFLAGS_S): Delete definition.
8000 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
8001 (ENDFILE_LINUX_SPEC): Always use crtend.
8002 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
8003 (powerpc-*-linux-gnu): Likewise.
8004 * configure: Regenerate.
8006 * config/rs6000/eabi.h: Don't include sysv4.h.
8007 (MULTILIB_DEFAULTS): Don't define.
8008 * config/rs6000/eabiaix.h: Don't include eabi.h.
8009 * config/rs6000/eabile.h: Delete.
8010 * config/rs6000/eabilesim.h: Delete.
8011 * config/rs6000/eabisim.h: Don't include eabi.h.
8012 * config/rs6000/linux.h: Don't include sysv4.h.
8013 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
8014 (MULTILIB_DEFAULTS): Don't redefine.
8015 * config/rs6000/rtems.h: Don't include eabi.h.
8016 * config/rs6000/sol2.h: Don't include sysv4le.h.
8017 * config/rs6000/sysv4le.h: Don't include sysv4.h.
8018 * config/rs6000/t-ppc: Delete.
8019 * config/rs6000/t-ppcgas: Correct comment.
8020 * config/rs6000/t-ppcos: Correct comment. Don't build
8021 multilibs for -fPIC, rather use -fPIC -mstrict-align
8023 * config/rs6000/t-ppc: Delete.
8024 * config/rs6000/vxppc.h: Don't include sysv4.h.
8025 * config/rs6000/vxppcle.h: Delete.
8026 * configure.in: Use multiple header files for p2pc ELF targets
8027 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
8028 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
8029 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
8030 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
8031 always available for these platforms.
8033 2000-04-04 Richard Henderson <rth@cygnus.com>
8035 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
8037 2000-04-04 Stan Cox <scox@cygnus.com>
8039 * Makefile.in: Add rules for regrename.o
8040 * regrename.c: New file.
8041 * rtl.h (regrename_optimize): Add prototype.
8042 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
8043 (compile_file, decode_d_option): Add support for -frename-registers.
8044 (rest_of_compilation): Call regrename_optimize.
8045 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
8048 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8050 * Makefile (gccbug): New target.
8051 (doc): Depend on it.
8052 * gcc.texi (Bugs): Link subnodes.
8054 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
8055 Document severities, priorities, and classes in bug form.
8057 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
8059 * cpplex.c (trigraph_map, speccase): Combine into single
8061 (NORMAL, NONTRI): New macros.
8062 (_cpp_read_and_prescan): Change to use unified table. Use
8063 is_hspace to test for whitespace.
8065 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
8066 definition that doesn't provoke the "empty body in an
8067 if-statement" warning.
8069 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
8071 * builtins.c (expand_builtin_strlen): Force the source to
8072 be a memory address.
8074 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8076 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
8078 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
8080 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
8081 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
8082 (ECF_IS_CONST): Rename to ECF_CONST.
8083 (special_function_p): Make static, change interface.
8084 (flags_from_decl_or_type, try_to_integrate): Break out from ...
8085 (expand_call) ... here; convert number of variables to flags.
8086 (emit_library_call_vlue_1): Likewise.
8087 (setjmp_call_p): New function.
8088 (initialize_argument_information): Accepts flags as argument;
8090 (precompute_arguments): Likewise.
8091 * tree.h (special_function_p): Remove.
8092 (setjmp_call_p): Add prototype.
8094 2000-04-04 Jakub Jelinek <jakub@redhat.com>
8096 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
8097 so that addresses are offsetable by up to 16 bytes.
8098 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
8099 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
8102 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
8103 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
8104 (movsf): Don't force any constant to memory if target is integer
8106 Move fp_zero_operand check below the const0_rtx check.
8107 (movtf): Likewise. Also allow fp_zero_operand for stores into
8109 (movdf): Likewise. Also allow fp_zero_operand for stores into
8110 memory and into integer hard registers.
8111 (clear_df, clear_dfp, movdf_const_intreg_sp32,
8112 movdf_const_intreg_sp64): Remove.
8113 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
8115 (movdf_no_e_insn_v9_sp32): New pattern.
8116 (movdf_insn_v9only): Remove.
8117 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
8118 (movdf_insn_sp64): Remove.
8119 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
8120 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
8121 (following splits): Rewrite conditions. Add two new splits
8122 for storing 0.0 into memory and registers.
8123 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
8124 (movtf_insn_sp32): Redo constraints and conditions.
8125 (movtf_insn_vis_sp32): New pattern.
8126 (movtf_no_e_insn_sp32): Redo constraints and conditions.
8127 (movtf_insn_hq_sp64): Likewise.
8128 (movtf_insn_hq_vis_sp64): New pattern.
8129 (movtf_insn_sp64): Redo constraints and conditions.
8130 (movtf_insn_vis_sp64): New pattern.
8131 (movtf_no_e_insn_sp64): Redo constraints and conditions.
8132 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
8134 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
8135 -mvis or -m64 to take down the number of various reload patterns.
8137 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
8139 * pa/pa-64.h: New file.
8140 * pa/pa64-regs.h: New file.
8141 * pa/pa64-start.h: New file.
8142 * pa/t-pa64: New file.
8143 * pa/xm-pa64hpux.h: New file.
8145 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8147 * sparc.c (output_restore_regs): Prototype.
8148 (sparc_emit_float_lib_cmp): Constification.
8150 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
8152 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
8155 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
8156 (get_value_hash, hash_rtx): Likewise.
8158 * ssa.c (compute_conservative_reg_partition): Prototype.
8160 * tree.c (mark_hash_entry): Prototype.
8162 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
8164 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
8165 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
8166 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
8168 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
8169 * objc/lang-specs.h: Likewise.
8171 2000-04-03 Neil Booth <NeilB@earthling.net>
8173 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
8174 and SYNTAX_ERROR2. Replace `' in messages with ''.
8175 (op_to_str): Make re-entrant.
8176 (_cpp_parse_expr): Implement new error macros. Use | rather
8177 than || to logically or 2 boolean integers. Simply expression
8178 checking we have a left operand iff needed.
8180 2000-04-03 Nick Clifton <nickc@cygnus.com>
8182 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
8184 2000-04-03 Philip Blundell <philb@gnu.org>
8186 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
8188 2000-04-03 Felix Lee <flee@cygnus.com>
8190 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
8191 (run_shell): Use it.
8193 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
8195 * Makefile.in (stmp-int-hdrs): Make include subdir here...
8196 (stmp-fixproto): ...rather than here.
8198 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
8200 * pa.c (print_operand): Compute 'base' only inside the code paths
8203 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
8205 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
8208 2000-04-03 Philipp Thomas <pthomas@suse.de>
8210 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
8212 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
8214 * Makefile.in (alias.o): Depend on $(TREE_H).
8216 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
8218 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
8220 * cpplib.c (_cpp_handle_directive): Improve warnings for
8221 traditional C and indented directives.
8223 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
8224 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
8225 fixinc/inclhack.def: Indent the # of #include_next one space.
8226 * cp/rtti.c: Un-indent #if and #endif.
8228 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
8229 syntax error, but an error has already been printed.
8230 * cpplex.c (_cpp_parse_assertion): Give a more specific error
8231 message when called with nothing remaining on the line.
8232 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
8233 OTHER token, not an ASSERTION.
8234 * cpplib.c (do_assert): When we create a 'base' node, clear
8235 its aschain pointer.
8237 2000-04-02 Neil Booth <NeilB@earthling.net>
8239 * cppexp.c: New typedef op_t. struct operation and struct
8240 token updated to use it.
8241 (op_to_str): New function.
8242 (_cpp_parse_expr): Error messages modified to use op_to_str.
8244 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8246 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
8247 before checking MUST_PASS_IN_STACK.
8249 2000-04-02 Neil Booth <NeilB@earthling.net>
8251 * cppexp.c: New FINISHED dummy token. Combine operator initial
8252 flags and initial priority into a single constant. New
8253 EQUALITY macro. New operator flag SHORT_CIRCUIT.
8254 (_parse_cpp_expr): Implement new constants. Take left operand
8255 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
8256 parse indicated by reducing FINISHED token. Remove new lines
8257 from cpp_error messages.
8259 2000-04-01 Mark Mitchell <mark@codesourcery.com>
8261 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
8264 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
8266 * cpplib.c: Include symcat.h. Add 'origin' field to struct
8267 directive. Add origin values to DIRECTIVE_TABLE. Generate
8268 the strings and function names on the fly. Take the #sccs
8269 entry out of the table if SCCS_DIRECTIVE is not defined.
8270 (_cpp_handle_directive): Decide if the # was at the beginning
8271 of the line here. Issue -pedantic warnings for extended
8272 directives here. Warn about K+R directives with the #
8273 indented, and C89/extended directives with the # not indented,
8275 (do_import, do_include_next, do_warning, do_ident, do_sccs,
8276 do_assert, do_unassert): Don't issue pedantic warning here.
8278 * cpphash.h: Add CPP_WTRADITIONAL macro.
8279 * cpplib.h (struct cpp_options): Rename warn_stringify to
8280 warn_traditional; update comments.
8281 * cppinit.c (handle_option): Set warn_traditional not
8283 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
8284 CPP_WTRADITIONAL (pfile).
8285 * cpplex.c (_cpp_lex_token): Don't decide if directives should
8286 be ignored in -traditional mode here.
8288 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
8289 to initialize speccase[] and trigraph_map[]. Delete all
8290 references to pfile->input_speccase. Always treat '?' as a
8291 special character. Remove table-initialization code from
8292 _cpp_init_input_buffer.
8294 * cpplib.h (struct cpp_reader): Remove input_speccase field.
8295 * cppinit.c (cpp_cleanup): Don't free input_speccase.
8297 2000-04-01 Richard Henderson <rth@cygnus.com>
8299 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
8300 (mostlyclean): Likewise.
8302 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
8303 (struct dump_file_info, enum dump_file_index, dump_file): New.
8304 (open_dump_file): Take a dump_file_index not a suffix, and a decl
8305 not a string. Clean out file if we havn't yet done so. Do nothing
8306 if the dump isn't enabled.
8307 (close_dump_file): Do nothing if the dump isn't open. Dump
8308 graph data if requested.
8309 (dump_rtl, clean_dump_file): Remove.
8310 (compile_file): Don't clean the dump files. Only finalize .bp dump
8311 if flag_test_coverage or flag_branch_probabilities. Only finalize
8312 .combine dump if optimizing. Iterate over dump_file to finalize the
8314 (rest_of_compilation): Update for open_dump_file/close_dump_file.
8315 Convert all uses of dump_rtl.
8316 (decode_d_option): Iterate over dump_file to implement 'a' and to
8317 locate pass-specific dumps.
8319 2000-04-01 Neil Booth <NeilB@earthling.net>
8321 * cppexp.c: Redefine priority constants.
8322 (_cpp_parse_expr): Replace left and right priority scheme with
8323 single priority logic. Move LOGICAL to same place as COMPARE.
8324 Remove bogus check for multiple unary +/- operators.
8326 2000-04-01 Neil Booth <NeilB@earthling.net>
8328 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
8329 within the switch statement. Binary operations break out of
8330 the switch naturally. '(' tokens handled by forcing
8331 immediate shift. ')' handled by forcing immediate reduce to
8332 the previous '('. New error messages.
8334 2000-03-31 Geoff Keating <geoffk@cygnus.com>
8336 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
8337 part', it's already in use. Use %K instead. Add a return at the
8338 end of what is now %K.
8339 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
8341 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
8343 * builtins.c (expand_builtin_apply): Pass proper parameters to
8344 allocate_dynamic_stack_space.
8345 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
8346 update stack_pointer_delta; do not update arg_size_so_far.
8347 (compute_argument_block_size): Use stack_delta instead of
8348 stack_pointer_pending and arg_size_so_far.
8349 (expand_call): Add sanity checking for stack_pointer_delta;
8350 save and restore stack_pointer_delta for SIB, use
8351 stack_pointer_delta for alignment; do not update arg_space_so_far.
8352 (emit_library_call_value): Use stack_pointer_delta for alignment.
8353 (store_one_arg): Do not update arg_space_so_far.
8354 * explow.c (adjust_stack, anti_adjust_stack): Update
8355 stack_pointer_delta.
8356 (allocate_dynamic_stack_space): Add sanity checking for
8357 stack_pointer_delta.
8358 * expr.c (init_expr, clear_pending_stack_adjust): Clear
8359 stack_pointer_delta.
8360 (emit_push_insn): Update stack_pointer_delta.
8361 * function.h (struct expr_status): Add x_stack_pointer_delta;
8362 remove x_arg_space_so_far.
8363 (arg_space_so_far): Remove.
8364 (stack_pointer_delta): New macro.
8366 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
8368 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
8369 Reorder struct cpp_options and struct cpp_reader for better
8370 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
8371 takes two args. Change all 'char' flags to 'unsigned char'.
8372 Move show_column flag into struct cpp_options. Don't
8373 prototype cpp_options_init.
8374 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
8375 cppinit.c, cpplex.c, cpplib.c:
8376 Replace CPP_OPTIONS (pfile)->whatever with
8377 CPP_OPTION (pfile, whatever), and likewise for
8378 opts = CPP_OPTIONS (pfile); ... opts->whatever;
8380 * cppinit.c (merge_include_chains): Take a cpp_reader *.
8381 Extract CPP_OPTION (pfile, pending) and work with that
8383 (cpp_options_init): Delete.
8384 (cpp_reader_init): Turn on on-by-default options here.
8385 Allocate the pending structure here.
8386 (cl_options, enum opt_code): Define these from the same table,
8387 kept in a large macro. Add -fshow-column and -fno-show-column
8390 * cpperror.c (v_message): If show_column is off, don't print
8393 * cppmain.c: Update for new interface.
8394 * fix-header.c: Likewise.
8396 2000-03-30 Geoff Keating <geoffk@cygnus.com>
8398 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
8400 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
8401 are passed to any invocation of AR_FOR_TARGET.
8402 (AR_CREATE_FOR_TARGET): New macro.
8403 (AR_EXTRACT_FOR_TARGET): New macro.
8404 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
8405 AR_EXTRACT_FOR_TARGET.
8406 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
8407 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
8408 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
8409 AR_EXTRACT_FOR_TARGET to sub-makes.
8411 2000-03-31 Neil Booth <NeilB@earthling.net>
8413 * cppexp.c: Delete SKIP_OPERAND. Correct priority
8415 (_cpp_parse_expr): Check for multiple unary +/- operators.
8416 Correct priorities of ':' and '?'. Treat ')' as having a
8417 value. Ensure conditional expression is not void.
8419 2000-03-31 Mark Mitchell <mark@codesourcery.com>
8421 * alias.c (canon_rtx): Make it global.
8422 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
8424 * cse.c (struct table_elt): Add canon_exp.
8426 (invalidate): Canonicalize expressions only once.
8427 * rtl.h (canon_rtx): Declare.
8429 2000-03-30 Mark Mitchell <mark@codesourcery.com>
8431 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
8432 * alias.c (reg_known_value): Add comments.
8433 (init_alias_analysis): Likewise.
8434 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
8436 (cse_basic_block): Fix typo in comment.
8437 * emit-rtl.c: Include hashtab.h.
8438 (const_int_htab): New variable.
8439 (const_int_htab_hash): New function.
8440 (const_int_htab_eq): Likewise.
8441 (rtx_htab_mark_1): Likewise.
8442 (rtx_htab_mark): Likewise.
8443 (gen_rtx_CONST_INT): Cache all CONST_INTs.
8444 (unshare_all_rtx): Fix formatting.
8445 (init_emit_once): Initialize const_int_htab.
8446 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
8448 * rtl.texi: Document the fact that all CONST_INTs with the same
8451 2000-03-30 Richard Henderson <rth@cygnus.com>
8453 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
8455 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
8457 * configure.in: Comment out --enable-c-cpplib stanza.
8458 * configure: Regenerate.
8460 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8462 * expr.c (store_constructor): Properly compute displacement and
8463 alignment when offset is variable.
8465 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
8466 cases of alignment in bytes.
8468 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
8470 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
8471 since it is used to generate c-parse.y.
8472 * objc-parse.c, objc-parse.y: Regenerated.
8474 * function.c (expand_function_end): Pass alignment argument to
8475 emit_block_move in bits, not bytes.
8477 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8479 * expr.c (move_by_pieces_ninsns): Fix one more missing align
8482 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
8484 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
8485 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
8486 * function.c (assign_parms): Likewise.
8487 * integrate.c (expand_inline_function): Likewise.
8488 * stmt.c (expand_decl): Likewise.
8489 (copy_rtx_and_substitute): Likewise.
8490 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
8491 (clear_by_pieces): Fix error in last change.
8492 * emit-rtl.c (init_emit): Set known registers alignment in bits.
8493 * function.h (regno_pointer_align): Now unsigned.
8494 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
8496 * config/i386/i386.c (aligned_operand): Likewise.
8497 * config/sparc/sparc.c (mem_min_alignment): Likewise.
8498 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
8499 (unaligned_memory_operand): Likewise.
8500 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
8501 Also make alignments and sizes unsigned and some whitespace cleanup.
8502 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
8504 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
8505 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
8506 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
8507 (expand_builtin_memset): Likewise, but to clear_storage.
8508 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
8509 (restore_fixed_argument_area): Likewise.
8510 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
8511 (load_register_parameters): Likewise, to emit_group_load.
8512 (expand_call): Likewise, to emit_group_store and emit_block_move.
8513 (emit_library_call_value_1): Likewise, to emit_block_move.
8514 (store_one_arg): Likewise, and to emit_push_insn.
8515 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
8516 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
8517 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
8518 (emit_block_move, emit_group_load, emit_group_store): Likewise.
8519 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
8520 (expand_assigment, store_expr, store_constructor_field): Likewise.
8521 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
8522 (store_constructor, store_field, get_inner_reference): Likewise.
8523 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
8524 (expand_expr, case COMPONENT_REF): Likewise.
8525 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
8526 and positions; reindent code.
8527 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
8528 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
8529 (assign_parms): Likewise to emit_group_store.
8530 * optabs.c (prepare_cmp_insn): Alignment is in bits.
8531 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
8532 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
8533 (expand_return): Likewise to {extract,store}_bit_field.
8534 * stor-layout.c (get_mode_alignment): Minor cleanup.
8535 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
8536 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
8538 2000-03-29 Nick Clifton <nickc@cygnus.com>
8540 * config/arm/arm.h: Undo effects of previous delta:
8541 (ASM_SPEC): Do not define.
8542 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
8544 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
8547 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
8549 * cppinit.c (cpp_start_read): Call initialize_dependency_output
8550 only after reading in the primary source file.
8552 2000-03-29 Geoff Keating <geoffk@cygnus.com>
8554 * c-common.c (c_common_nodes_and_builtins): The first parameter to
8555 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
8556 or a reference to a va_list.
8557 * builtins.c (stabilize_va_list): Simplify now we don't have to
8558 work around C array address decay.
8559 * c-typeck.c (convert_for_assignment): Handle assignment to
8560 a reference parameter by taking the address of the RHS.
8561 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
8562 (va_copy): Likewise.
8563 (__va_copy): Likewise.
8564 * ginclude/varargs.h (va_start): Likewise.
8565 (__va_copy): Likewise.
8567 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
8569 * i386/djgpp.h: Remove extraneous "+".
8571 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
8573 * calls.c (expand_call): Fix typo in last change.
8575 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
8577 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
8580 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8582 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
8583 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
8584 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
8585 * tree.c (bit_position, byte_position): Likewise.
8586 * tree.h: Declare new functions.
8588 2000-03-29 Nick Clifton <nickc@cygnus.com>
8590 * config/arm/arm.c: Minor formatting changes/
8591 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
8593 (ASM_SPEC): Define if not already defined.
8595 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
8597 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
8600 2000-03-29 Jakub Jelinek <jakub@redhat.com>
8602 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
8603 value, don't output it as unsigned.
8605 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
8607 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
8609 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8611 * c-common.c (c_common_nodes_and_builtins): Don't special case
8612 cplus_mode when declaring builtin bzero/bcmp, always avoid
8613 prototype arguments.
8615 2000-03-29 Bruce Korb <bkorb@gnu.org>
8617 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
8620 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
8622 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
8623 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
8624 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
8625 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
8626 (save_fixed_argument_area, restore_fixed_argument_area):
8627 conditionize by #ifdef REG_PARM_STACK_SPACE only.
8628 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
8629 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
8630 (precompute_register_parameters): Avoid #ifdefs on
8631 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
8632 (stire_one_args): Likewise.
8633 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
8634 (emit_library_call_value_1): Likewise.
8635 (compute_argument_block_size): Align to STACK_BOUNDARY only for
8636 ACCUMULATE_OUTGOING_ARGS.
8637 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
8639 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
8640 (use_crosses_set_p): Likewise.
8641 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
8642 #define ACCUMULATE_OUTGOING_ARGS 1.
8643 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
8645 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
8647 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
8648 (TARGET_SWITCHES): Add push-args, no-push-args,
8649 accumulate-outgoing-args and no-accumulate-outgoing-args.
8650 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
8651 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
8652 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
8654 (emit_push_insn): Likewise.
8655 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
8656 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
8657 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
8658 (STACK_DYNAMIC_OFFSET): Define correctly for both
8659 ACCUMULATE_OUTGOING_ARGS and normal mode.
8660 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
8661 * tm.texi (PUSH_ARGS): Document.
8662 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
8664 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
8666 * flags.h (flag_optimize_sibling_calls): Declare.
8667 * calls.c (expand_call): Fail sibcall when
8668 !flag_optimize_sibling_calls
8669 * invoke.texi (flag_optimize_sibling_calls): Document.
8670 * toplev.c (flag_optimize_sibling_calls): New global variable.
8671 (f_options): Add flag_optimize_sibling_calls.
8672 (rest_of_compilation): Conditionize
8673 optimize_sibling_and_tail_recursive_calls by
8674 flag_optimize_sibling_calls.
8675 (main): Set flag_optimize_sibling_calls for -O2.
8676 * stmt.c (expand_return): Conditionize tail recursion by
8677 flag_optimize_sibling_calls.
8679 2000-03-29 Richard Henderson <rth@cygnus.com>
8681 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
8682 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
8684 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
8686 * except.c (add_eh_table_entry): Mark type_info's as referenced.
8688 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8690 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
8692 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
8693 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
8694 * config/rs6000/aix.h: then modified likewise.
8696 2000-03-28 Richard Henderson <rth@cygnus.com>
8698 * rtl.h: Redistribute enum reg_note documentation.
8699 Kill trailing whitespace.
8700 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
8701 Kill trailing whitespace.
8703 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
8705 * cppfiles.c (hash_IHASH): Just return i->hash.
8706 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
8707 htab_find_with_hash.
8708 (cpp_read_file): Likewise.
8709 (find_include_file): Likewise. Properly initialize
8710 ih->nshort. Share ih->name and ih->nshort if possible.
8711 * cpphash.c (_cpp_calc_hash): New function.
8712 (hash_HASHNODE): Just return h->hash.
8713 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
8714 htab_find_with_hash.
8715 * cpphash.h: Prototype _cpp_calc_hash.
8716 * cppinit.c (initialize_builtins): Provide a valid hash
8717 to _cpp_make_hashnode, using _cpp_calc_hash.
8719 * cpphash.c (collect_expansion): # is not a special character
8720 in object-like macros. In -traditional mode, /**/ is not
8721 token paste at the beginning or end of the line.
8722 * cpplib.c (do_include, do_import, do_include_next): If
8723 parse_include fails, return immediately.
8725 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
8727 * config/arm/arm.md (return peepholes): Update to reflect the new
8729 * config/arm/arm.c (arm_volatile_func): Also check
8730 current_function_nothrow.
8731 (output_return_instruction, output_func_prologue): Use it.
8732 (arm_output_epilogue, arm_expand_prologue): Likewise.
8734 2000-03-27 Tom Tromey <tromey@cygnus.com>
8736 * gcc.c (handle_braces): In {x*...} case, break out of loop if
8739 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8741 * expr.c (store_constructor): SIZE now signed.
8742 For EXPR_SIZE, don't evaluate size; just needed if constant.
8743 * fold-const.c (fold): Fix a number of cases when folded tree is
8745 * function.c (flush_addressof): Reenable.
8746 * tree.h (flush_addressof): Likewise.
8747 * toplev.c (independent_decode_option): Look at strings_processed.
8748 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
8750 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
8752 * sibcall.c (indentify_call_return_value): Find last call in the chain;
8753 Allow stack adjustment after function call.
8755 * regmove.c (struct csa_memlist): Make mem field rtx *.
8756 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
8757 (try_apply_stack_adjustment): Replace whole MEM rtx.
8758 (combine_stack_adjustments_for_block): Update calls
8759 to record_one_stack_ref.
8761 2000-03-28 Neil Booth <NeilB@earthling.net>
8763 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
8764 '\\' rather than a null character, so nulls are not special. Fix
8765 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
8766 speed trigraph conversion.
8767 (_cpp_init_input_buffer): Initialize trigraph map.
8769 2000-03-27 Alan Modra <alan@linuxcare.com.au>
8771 * config/i386/i386.c (output_387_binary_op): Correct intel
8772 mode assembly output, and add spaces after commas in AT&T
8773 output. Correct Unixware assembler comment. Document input
8774 constraints. Comment fp operations. Reduce profligate buffer
8775 size. Remove extraneous abort. Localize temp var.
8776 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
8777 (output_fix_trunc): Add spaces after commas in assembly output.
8779 2000-03-27 Richard Henderson <rth@cygnus.com>
8781 * i386-protos.h (ix86_match_ccmode): Declare.
8782 * i386.c (ix86_match_ccmode): New.
8783 (ix86_expand_fp_compare): Update for pattern renames.
8784 (ix86_expand_strlensi_unroll_1): Likewise.
8785 * i386.h (EXTRA_CC_MODES): Add CCZ.
8786 (SELECT_CC_MODE): Use it for EQ/NE zero.
8787 * i386.md (cmpsi_ccz_1): New.
8789 (*testsi_ccz_1): New.
8790 (testqi_ccz_1): New.
8791 (cmpsi_ccno_1): Rename from cmpsi_0.
8792 (testsi_ccno_1): Rename from testsi_1.
8793 (testqi_ccno_1): Rename from testqi_1.
8794 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
8795 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
8796 (*cmphi_0): Use ix86_match_ccmode.
8797 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
8798 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
8799 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
8800 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
8801 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
8802 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
8803 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
8804 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
8805 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
8806 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
8807 (appropriate peepholes): Likewise.
8808 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
8809 (*subsi_3, *subhi_3, *subqi_3): Remove.
8810 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
8811 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
8812 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
8813 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
8814 (x86_shift_adj_1): Use CCZ.
8815 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
8817 2000-03-27 Stan Cox <scox@cygnus.com>
8819 * resource.h (mark_resource_type): New.
8820 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
8821 find_free_register): Use mark_resource_type.
8822 (mark_set_resources): Change include_delayed_effects
8823 to mark_resource_type.
8824 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
8825 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
8826 Use mark_resource_type.
8828 2000-03-27 Richard Henderson <rth@cygnus.com>
8830 * i386.md (call_pop_0, call_value_pop_0): New.
8831 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
8832 (call_value_pop_1): Likewise.
8833 (call_0, call_value_0): New.
8834 (call_1, call_value_1): Remove constraint from unused arg.
8836 2000-03-27 Nick Clifton <nickc@cygnus.com>
8838 * invoke.texi (Spec Files): Document new spec % command created by
8839 Tom Tromey's recent patch.
8841 2000-03-27 Jakub Jelinek <jakub@redhat.com>
8843 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
8846 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8848 * expr.c (expand_assignment): Fix typo in last change.
8850 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
8852 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8854 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
8855 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
8856 and DECL_INLINE if FUNCTION_DECL.
8857 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
8858 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
8859 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
8860 (combine_parm_decls): Likewise.
8861 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
8862 * print-tree.c (print_node): Likewise.
8863 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
8864 DECL_TRANSPARENT_UNION on proper decl types.
8865 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
8866 * stor-layout.c (layout_decl): Only check DECL_PACKED and
8867 DECL_BIT_FIELD of FIELD_DECL.
8868 * tree.h (DECL_RESULT_FLD): New macro.
8870 * expr.c (expand_assignment): Add code to handle variable-sized
8873 2000-03-26 Richard Henderson <rth@cygnus.com>
8875 * calls.c (expand_call): Pass parms not original exp to
8876 optimize_tail_recursion. Mind return value instead of looking
8878 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
8879 call_expr. Move checks for call_expr and current_function_decl ...
8880 (expand_return): ... here.
8882 2000-03-26 Tom Tromey <tromey@cygnus.com>
8884 * gcc.c (handle_braces): Recognize `%{<S}' construct.
8885 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
8887 (process_command): Use them.
8888 (check_live_switch): Likewise.
8889 (give_switch): Skip ignored switches.
8891 2000-03-26 Jan Hubicka <jh@suse.cz>
8893 * jump.c (jump_optimize_1): Fix typo in elide optimizations
8894 for minimal jump pass test.
8896 2000-03-26 Mark Mitchell <mark@codesourcery.com>
8898 * integrate.c (function_cannot_inline_p): Do inline functions that
8901 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8903 * stor-layout.c (layout_type, set_sizetype): early_type_list is
8904 now a list of TREE_LIST entries, not types.
8905 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
8907 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
8908 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
8910 * config/mips/mips.c (function_arg): Likewise; also remove cast
8911 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
8912 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
8913 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
8914 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
8915 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
8916 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
8917 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
8918 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
8919 num_adjusts now unsigned.
8920 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
8921 * config/sparc/sparc.c (struct function_arg_record_value_parms):
8923 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
8924 as is BITPOS variable; use host_integerp and int_bit_position.
8925 (function_arg_record_value_2): Likewise.
8926 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
8927 Variable REGNO now unsigned.
8928 (function_arg_record_value): NREGS now unsigned.
8930 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
8932 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
8934 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8936 * Rework fields used to describe positions of bitfields and
8937 modify sizes to be unsigned and use HOST_WIDE_INT.
8938 * alias.c (reg_known_value_size): Now unsigned.
8939 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
8940 (really_start_incremental_init): Use bitsize_zero_node.
8941 (push_init_level, pop_init_level, output_init_element): Likewise.
8942 Use bitsize_unit_node and bitsize_one_node.
8943 (output_pending_init_elements, process_init_element): Likewise.
8944 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
8945 (make_extraction): Position and length HOST_WIDE_INT and unsigned
8946 HOST_WIDE_INT, respectively.
8947 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
8948 (num_sign_bit_copies): Returns unsigned.
8949 BITWIDTH now unsigned; rework arithmetic.
8950 Remove recursive call from arg to MAX.
8951 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
8952 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
8954 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
8955 (find_split_point, expand_compound_operation, make_extraction): LEN
8956 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
8957 (make_field_assignment): Likewise.
8958 (combine_simplify_rtx): Add cast.
8959 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
8960 (force_to_mode): WIDTH now unsigned; add cast.
8961 (if_then_else_cond): SIZE now unsigned.
8962 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
8963 (extended_count): Now returns unsigned.
8964 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
8965 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
8966 (simplify_comparison): MODE_WIDTH now unsigned.
8967 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
8968 (mark_used_regs_combine): Likewise; rework arithmetic.
8969 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
8970 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
8971 (record_promoted_value): REGNO now unsigned.
8972 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
8973 (get_last_value): REGNO now unsigned.
8974 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
8975 (reg_dead_regno, reg_dead_endregno): Now unsigned.
8976 (remove_death): Arg REGNO now unsigned.
8977 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
8978 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
8980 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
8981 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
8982 (struct cse_reg_info): REGNO now unsigned.
8983 (cached_regno): Now unsigned.
8984 (REGNO_QTY_VALID_P): Add cast.
8985 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
8986 (remove_invalid_regs): Likewise.
8987 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
8988 as are variables END and I.
8989 (get_cse_reg_info, insert): Likewise.
8990 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
8991 (canon_hash): Likewise.
8992 (insert_regs, lookup_for_remove): REGNO now unsigned.
8993 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
8995 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
8996 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
8997 * emit-rtl.c (subreg_realpart_p): Add cast.
8998 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
8999 (operand_subword_force): Arg I is now unsigned.
9000 * except.c (eh_regs): Variable I is now unsigned.
9001 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
9002 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
9003 length is unsigned HOST_WIDE_INT; likewise for internal variables.
9004 (store_split_bit_field, extract_fixed_bit_field): Likewise.
9005 (extract_split_bit_field, store_bit_field, extract_bit_field):
9007 * expr.c (store_constructor_fields, store_constructor, store_field):
9008 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
9009 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
9010 (do_jump): Likewise.
9011 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
9012 MAX_SIZE is now unsigned.
9013 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
9014 (emit_group_store): Likewise.
9015 (emit_move_insn): I now unsigned.
9016 (store_constructor): Use host_integerp, tree_low_cst, and
9018 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
9019 Rework all calculations to use trees and new fields.
9020 * expr.h (promoted_input_arg): Regno now unsigned.
9021 (store_bit_field, extract_bit_field): Adjust types of pos and size.
9022 (mark_seen_cases): Arg is HOST_WIDE_INT.
9023 * flow.c (verify_wide_reg_1): REGNO now unsigned.
9024 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
9025 precisions and alignments are unsigned.
9026 (optimize_bit_field_compare, fold_truthop): Likewise.
9027 (int_const_binop): Adjust threshold for size_int_type_wide call.
9028 (fold_convert): Likewise.
9029 (size_int_type_wide): Make table larger and fix thinko that only
9030 had half of table used.
9031 (all_ones_mask_p, fold): Precisions are unsigned.
9032 * function.c (put_reg_info_stack): REGNO is unsigned.
9033 (instantiate_decl): Size is HOST_WIDE_INT.
9034 (instantiate_virtual_regs): I is unsigned.
9035 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
9036 (promoted_input_arg): REGNO is unsigned.
9037 * function.h (struct function): x_max_parm_reg is now unsigned.
9038 * gcse.c (max_gcse_regno): Now unsigned.
9039 (struct null_pointer_info): min_reg and max_reg now unsigned.
9040 (lookup_set, next_set): REGNO arg now unsigned.
9041 (compute_hash_table): REGNO and I now unsigned.
9042 (handle_avail_expr): regnum_for_replacing now unsigned.
9043 (cprop_insn): REGNO now unsigned.
9044 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
9045 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
9046 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
9047 * hard-reg-set.h (reg_class_size): Now unsigned.
9048 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
9049 * jump.c (mark_modified_reg): I now unsigned; add cast.
9050 (rtx_equal_for_thread_p): Add cast.
9051 * loop.c (max_reg_before_loop): Now unsigned.
9052 (struct_movable): REGNO now unsigned.
9053 (try_copy_prop): REGNO arg unsigned.
9054 (regs_match_p): XN and YN now unsigned.
9055 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
9056 (strength_reduce): Likewise; NREGS also unsigned.
9057 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
9058 * loop.h (struct iv_class): REGNO now unsigned.
9059 (max_reg_before_loop, first_increment_giv, last_increment_giv):
9061 * machmode.h (mode_size, mode_unit_size): Now unsigned.
9062 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
9063 * optabs.c (expand_binop): I and NWORDS now unsigned.
9064 (expand_unop): I now unsigned.
9065 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
9066 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
9067 * real.c (significand_size): Now returns unsigned.
9068 * real.h (significand_size): Likewise.
9069 * regclass.c (reg_class_size): Now unsigned.
9070 (choose_hard_reg_mode): Both operands now unsigned.
9071 (record_reg_classes): REGNO and NR now unsigned.
9072 (reg_scan): NREGS now unsigned.
9073 (reg_scan_update): old_max_regno now unsigned.
9074 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
9075 * reload.c (find_valid_class): BEST_SIZE now unsigned.
9076 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
9077 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
9078 Likewise for variable R.
9079 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
9080 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
9081 (find_equiv_reg): Add casts.
9082 (regno_clobbered_p): Arg REGNO now unsigned.
9083 * reload.h (struct reload): NREGS now unsigned.
9084 (refers_to_regno_for_reload_p): Regno args are unsigned.
9085 (regno_clobbered_p): Likewise.
9086 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
9087 (compute_use_by_pseudos): REGNO now unsigned.
9088 (find_reg): I and J now unsigned, new variable K, and change loop
9089 variables accordingly; THIS_NREGS now unsigned.
9090 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
9091 (spill_hard_reg): REGNO arg now unsigned; add casts.
9092 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
9093 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
9094 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
9095 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
9096 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
9097 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
9098 (emit_reload_insns): REGNO now unsigned.
9099 (reload_cse_move2add): Add cast.
9100 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
9102 * resource.c (mark_referenced_resources, mark_set_resources): New
9103 variable R; REGNO and LAST_REGNO now unsigned.
9104 (mark_target_live_regs): J and REGNO now unsigned.
9105 * rtl.c (mode_size, mode_unit_size): Now unsigned.
9106 * rtl.h (union rtunion_def): New field rtuint.
9107 (XCUINT): New macro.
9108 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
9109 (operand_subword, operand_subword_force): Word number is unsigned.
9110 (choose_hard_reg_mode): Operands are unsigned.
9111 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
9112 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
9113 (regno_use_in, combine_instructions, remove_death): Likewise.
9114 (reg_scan, reg_scan_update): Likewise.
9115 (extended_count): Return is unsigned.
9116 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
9117 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
9118 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
9119 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
9120 (reg_reg_last_1): FIRS and LAST now unsigned.
9121 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
9122 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
9124 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
9125 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
9126 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
9127 (replace_regs): Arg NREGS now unsigned.
9128 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
9129 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
9130 (simplify_binary_operation): Likewise.
9131 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
9132 THIS_LAST now unsigned.
9133 (cselib_record_set): Add cast.
9134 * ssa.c (ssa_max_reg_num): Now unsigned.
9135 (rename_block): REGNO now unsigned.
9136 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
9138 (all_cases_count): Just return -1 not -2.
9139 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
9140 Rework tests to use trees whenever possible.
9141 Use host_integerp and tree_low_cst.
9142 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
9143 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
9144 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
9145 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
9146 (smallest_mode_for_size): Likewise.
9147 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
9148 KNOWN_ALIGN is now an alignment, so simplify code.
9149 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
9150 (start_record_layout): Renamed from new_record_layout_info.
9151 Update to new fields.
9152 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
9154 (place_union_field): Renamed from layout_union_field.
9155 Update to use new fields in rli.
9156 (place_field): Renamed from layout_field.
9157 Major rewrite to use new fields in rli; pass alignment to layout_decl.
9158 (finalize_record_size): Rework to use new fields in rli and handle
9160 (compute_record_mode): Rework to simplify and to use new DECL fields.
9161 (finalize_type_size): Make rounding more consistent.
9162 (finish_union_layout): Deleted.
9163 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
9164 (layout_type, case RECORD_TYPE): Call new function names.
9165 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
9166 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
9167 (get_best_mode): UNIT is now unsigned; remove casts.
9168 * tree.c (bit_position): Compute from new fields.
9169 (byte_position, int_byte_position): New functions.
9170 (print_type_hash_statistics): Cast to remove warning.
9171 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
9172 (build_index_type): Likewise; make subtype of sizetype.
9173 (build_index_2_type): Pass sizetype to build_range_type.
9174 (build_common_tree_nodes): Use size_int and bitsize_int to
9175 initialize nodes; add bitsize_{zero,one,unit}_node.
9176 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
9177 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
9178 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
9179 (DECL_FIELD_BITPOS): Deleted.
9180 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
9181 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
9182 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
9183 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
9184 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
9185 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
9186 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
9187 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
9188 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
9189 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
9190 (DECL_ALIGN): Adjust to new field in union.
9191 (DECL_OFFSET_ALIGN): New field.
9192 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
9193 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
9194 (union tree_decl): Add struct for both aligns.
9195 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
9196 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
9197 (struct record_layout_info): Rework fields to have offset
9198 alignment and byte and bit position.
9199 (start_record_layout, place_field): Renamed from old names.
9200 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
9201 (byte_position, int_byte_position): Likewise.
9202 (get_inner_reference): Change types of position and length.
9203 * unroll.c (unroll_loop): New variable R; use for some loops.
9204 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
9205 (calculate_giv_inc): Arg REGNO now unsigned.
9206 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
9207 * varasm.c (assemble_variable): Clean up handling of size using
9208 host_integerp and tree_low_cst.
9209 (decode_addr_const): Use byte, not bit, position.
9210 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
9211 use tree_low_cst and int_bit_position.
9212 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
9214 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
9216 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
9217 (reorder_block_def): New members eff_head and eff_end.
9218 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
9219 (verify_insn_chain): New function.
9220 (skip_insns_between_block): Add code to skip deleted insns.
9221 Check for note before using.
9222 (chain_reorder_blocks): Replace calls to skip_insns_between_block
9223 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
9224 Check for note before using.
9225 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
9226 (fixup_reorder_chain): Restructure, clean up, defect removal.
9227 (reorder_basic_blocks): Remove last_insn and references to it.
9228 Moved insn chain verification code into a new function (see above).
9229 Delete defective code that sets last insn.
9230 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
9233 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9235 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
9237 2000-03-24 Richard Henderson <rth@cygnus.com>
9239 * tree.c (lang_safe_for_unsave): Remove.
9240 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
9241 allowing for two levels of unsafeness. Remove lang hook.
9242 * tree.h: Update declarations.
9243 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
9244 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
9245 Always fail sibcalls when there are pending cleanups.
9247 2000-03-24 Geoff Keating <geoffk@cygnus.com>
9249 * flow.c (propagate_block): When we delete an ADDR_VEC,
9250 also delete the BARRIER following it if there is one.
9252 2000-03-24 Richard Henderson <rth@cygnus.com>
9254 * builtins.c (expand_builtin_bzero): Convert `length' argument
9257 2000-03-24 Jakub Jelinek <jakub@redhat.com>
9259 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
9260 comparison if regno's are equal.
9261 * calls.c (initialize_argument_informat): Add ecf_flags argument.
9262 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
9263 (expand_call): Update caller.
9264 Avoid making a sibling call if argument size of the callee is larger
9265 than argument size of the caller.
9266 Call hard_function_value with outgoing set if in sibcall pass.
9267 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
9269 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
9270 Change LEAF_REGISTERS from an array initializer to actual array
9271 identifier. Move static global variable into the function.
9272 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
9273 sequences for leaf functions.
9274 * global.c (global_alloc): Likewise.
9275 * tm.texi (LEAF_REGISTERS): Update documentation.
9277 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
9278 TARGET_FLAT leaf disabling hack.
9279 (LEAF_REGISTERS): Changed from an array initializer to actual array
9280 identifier to avoid duplication and remove the above hack.
9281 (FUNCTION_OK_FOR_SIBCALL): Define.
9282 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
9283 always like call attribute.
9284 (eligible_for_sibcall_delay): New attribute.
9285 (sibcall): New delay type.
9286 (sibcall, sibcall_value, sibcall_epilogue): New expands.
9287 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
9288 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
9289 * config/sparc/sparc.c (sparc_leaf_regs): New array.
9290 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
9292 (output_function_epilogue): Move part of the code into
9293 output_restore_regs.
9294 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
9296 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
9299 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
9300 until infrastructure is finished.
9302 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
9304 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
9305 (save_parm_insns): Not here.
9307 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9309 * builtins.c (expand_builtin_bzero): New function.
9310 (expand_builtin): Handle bzero.
9312 * builtins.def: Add BUILT_IN_BZERO.
9314 * c-common.c (c_common_nodes_and_builtins): Provide builtin
9315 prototype & function for bzero.
9317 2000-03-23 Michael Meissner <meissner@redhat.com>
9319 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
9320 change adding TARGET_FP to the TF floating point insns, except for
9321 trunctfsf2, which generates direct calls to truncdfsf2.
9323 2000-03-23 Geoff Keating <geoffk@cygnus.com>
9325 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
9326 try to protect against middle-end changes that break binary
9328 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
9330 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9332 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
9334 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9336 * calls.c (expand_call): If TARGET is passed by reference and
9337 is readonly, write a CLOBBER.
9339 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9341 * builtins.c (expand_builtin): Handle bcmp.
9343 * builtins.def: Add BUILT_IN_BCMP.
9345 * c-common.c (c_common_nodes_and_builtins): Provide builtin
9346 prototype & function for bcmp.
9348 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
9350 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
9351 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
9352 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
9354 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
9356 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
9357 alternative when using -fp64 -gp32.
9359 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
9361 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
9362 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
9363 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
9365 * frame.h (frame_state): Revert last change.
9366 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
9367 * libgcc2.c (throw_helper): Revert last change.
9369 2000-03-22 Richard Henderson <rth@cygnus.com>
9371 * stmt.c (expand_asm_operands): Don't promote the temporary.
9373 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
9375 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
9376 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
9377 c_get_alias_set): Likewise.
9378 * c-decl.c (duplicate_decls): Likewise.
9379 * c-typeck.c (default_conversion,build_unary_op): Likewise.
9380 * calls.c (initialize_argument_information): Likewise.
9381 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
9383 * dwarfout.c (decl_class_context,output_type): Likewise.
9384 * expr.c (get_inner_reference): Likewise.
9385 * fold-const.c (simple_operand_p,fold): Likewise.
9386 * function.c (aggregate_value_p): Likewise.
9387 * stmt.c (expand_asm_operands): Likewise.
9388 * varasm.c (named_section): Likewise.
9390 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
9392 Implement dwarf2 exception handling for the ARM.
9393 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
9394 (DWARF_FRAME_RETURN_COLUMN): Define.
9395 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
9396 REG_FRAME_RELATED_EXPR note.
9397 (emit_sfm): Likewise.
9398 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
9399 * dwarf2out.c (reg_save): Handle saving a register to itself.
9400 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
9401 * except.c (eh_regs): Don't use the static chain reg if it's
9403 * frame.h (frame_state): Add cfa_saved field.
9404 * frame.c (execute_cfa_insn): Set it.
9405 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
9407 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
9409 (instantiate_virtual_regs): Adjust.
9411 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
9412 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
9413 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
9415 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
9416 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
9418 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9420 * builtins.def: New file.
9422 * Makefile.in (TREE_H): Depend on builtins.def.
9424 * builtins.c (built_in_names): Use builtins.def.
9426 * tree.h (built_in_function): Likewise.
9428 2000-03-22 Mark Mitchell <mark@codesourcery.com>
9430 * tree.c (size_in_bytes): Return size_zero_node, not
9433 2000-03-22 Geoff Keating <geoffk@cygnus.com>
9435 * config/fp-bit.c (pack_d): Correct the case when a denormal
9436 is rounded up and stops being denormal.
9438 2000-03-21 Richard Henderson <rth@cygnus.com>
9440 * config/alpha/alpha.c (function_arg): Check for void_type_node
9441 before using MUST_PASS_IN_STACK.
9443 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
9445 * regmove.c (combine_stack_adjustments_for_block): Check that
9446 the stack pointer is a valid memory address.
9448 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
9450 * calls.c: re-install Mar 16 emit_library_call merge.
9452 2000-03-21 Jakub Jelinek <jakub@redhat.com>
9454 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
9455 we cannot be sure that if reload_completed base register will
9456 be properly aligned.
9458 2000-03-21 Richard Henderson <rth@cygnus.com>
9460 * flow.c (delete_block): Fix typo last change.
9462 2000-03-21 Mark Mitchell <mark@codesourcery.com>
9464 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
9465 not COMPLETE_TYPE_P, to check the type of the expression.
9467 2000-03-21 Michael Meissner <meissner@redhat.com>
9469 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
9470 all floating point insns that just tested the macro
9471 TARGET_HAS_XFLOATING_LIBS.
9472 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
9473 used to only use the gprs.
9475 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
9477 * tree.h (COMPLETE_TYPE_P): New macro.
9478 (COMPLETE_OR_VOID_TYPE_P): New macro.
9479 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
9480 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
9481 * c-aux-info.c (gen_type): Use them.
9482 * c-common.c (c_expand_expr_stmt): Likewise.
9483 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
9484 grokdeclarator, grokparms, finish_struct, start_function,
9485 store_parm_decls, combine_parm_decls): Likewise.
9486 * c-parse.y (cast_expr): Likewise.
9487 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
9488 c_size_in_bytes, c_alignof, build_component_ref,
9489 build_indirect_ref, build_array_ref, convert_arguments,
9490 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
9491 * calls.c (initialize_argument_information): Likewise.
9492 * convert.c (convert_to_integer): Likewise.
9493 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
9494 * dwarfout.c (location_or_const_value_attribute,
9495 output_enumeration_type_die, output_structure_type_die,
9496 output_union_type_die, output_type): Likewise.
9497 * expr.c (safe_from_p, expand_expr): Likewise.
9498 * function.c (assign_parms): Likewise.
9499 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
9500 * tree.c (build_array_type, build_function_type,
9501 build_method_type, build_offset_type, build_complex_type): Likewise.
9502 * c-parse.c, c-parse.h: Regenerated.
9504 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9506 * config/c4x/rtems.h: Include config/rtems.h.
9508 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
9510 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
9511 decl is a FUNCTION_DECL
9513 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
9515 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
9516 function uses output registers. Don't save RP for leaf functions.
9517 Do save RP even if no epilogue.
9518 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
9519 (CALL_USED_REGISTERS): Unmark in registers.
9520 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
9523 2000-03-20 Geoff Keating <geoffk@cygnus.com>
9525 * config/rs6000/rs6000.md (bunordered): New expander.
9526 (bordered): New expander.
9527 (buneq): New expander.
9528 (bunge): New expander.
9529 (bungt): New expander.
9530 (bunle): New expander.
9531 (bunlt): New expander.
9532 (bltgt): New expander.
9534 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
9535 (ccr_bit_negated_p): New function.
9536 (print_operand): For %C, generate appropriate cror for UNEQ,
9537 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
9539 2000-03-20 Andreas Jaeger <aj@suse.de>
9541 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
9544 * tree.h (safe_for_unsave): Prototype.
9546 2000-03-20 Richard Henderson <rth@cygnus.com>
9548 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
9549 (combine_stack_adjustments_for_block): Don't allow sp references
9550 in the side of a set we're not fixing up.
9551 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
9552 after life_analysis.
9554 2000-03-20 Richard Henderson <rth@cygnus.com>
9556 * calls.c (expand_call): Don't bother generating tail call
9557 sequences if there are pending cleanups. Use
9558 expand_start_target_temps/expand_end_target_temps to elide
9559 cleanups created during sibcall expansion.
9561 2000-03-20 Geoff Keating <geoffk@cygnus.com>
9563 * configure.in: Set $IFS to a value if it doesn't already have one
9564 in the --enable-checking handling.
9565 * configure: Regenerate.
9567 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9569 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
9570 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
9573 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
9575 * jump.c (delete_noop_moves): Remove code attempting to
9576 combine stack adjustments.
9578 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9580 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
9581 * except.c (emit_cleanup_handler): Use them.
9582 (expand_end_all_catch): Likewise.
9583 * function.c (fixup_var_refs): Likewise.
9584 (expand_function_end): Clear catch_clauses_last.
9585 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
9586 * except.h (struct eh_status): New field x_catch_clauses_last.
9587 (catch_clauses_last): New define.
9589 * Makefile.in (tree.o): Depend on HASHTAB_H.
9590 * tree.c: Include hashtab.h.
9591 (struct type_hash): Remove next field.
9592 (TYPE_HASH_SIZE): Remove.
9593 (TYPE_HASH_INITIAL_SIZE): New define.
9594 (type_hash_table): Change type to htab_t.
9595 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
9596 mark_hash_entry): New functions.
9597 (init_obstacks): Allocate type hash.
9598 (type_hash_lookup): Use htab functions.
9599 (type_hash_add, mark_type_hash): Likewise.
9600 (dump_tree_statistics): Call print_type_hash_statistics.
9602 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9604 * rs6000/t-aix41: New file.
9606 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
9608 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
9610 * tm.texi (Driver): Fix typos and tweak entry for
9612 Move misplaced STRUCT_FORCE_BLK entry ...
9613 (Storage Layout): ... to here.
9614 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
9616 2000-03-19 Richard Henderson <rth@cygnus.com>
9618 * flow.c (delete_block): Delete the addr_vec along with the block.
9619 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
9622 * fold-const.c (extract_muldiv): Apply type check for defined
9623 overflow to multiply as well as divide.
9625 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
9627 2000-03-18 Mark Mitchell <mark@codesourcery.com>
9629 * emit-rtl.c (remove_unncessary_notes): Check that all
9630 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
9631 associated NOTE_BLOCK.
9632 * function.h (identify_blocks): Update comments.
9633 (reorder_blocks): Declare.
9634 * function.c (identify_blocks): Don't take paramters.
9635 (reorder_blocks): Don't take parameters.
9636 * loop.h (find_loop_tree_blocks): Remove.
9637 (unroll_block_trees): Likewise.
9638 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
9639 reorder_blocks instead of unroll_block_trees.h
9640 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
9641 * stmt.c (find_loop_tree_blocks): Remove.
9642 (unroll_block_trees): Likewise.
9643 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
9644 in whole-function mode.
9645 * tree.h (reorder_blocks): Remove declaration.
9647 * expr.c: Include intl.h.
9648 * Makefile.in (expr.o): Depend on intl.h.
9650 2000-03-18 Richard Henderson <rth@cygnus.com>
9652 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
9654 2000-03-18 Mark Mitchell <mark@codesourcery.com>
9656 * tree.h (tree_index): Remove enumerals for integer types.
9657 (integer_type_kind): New type.
9658 (integer_types): New variable.
9659 (char_type_node): Adjust.
9660 (signed_char_type_node): Likewise.
9661 (unsigned_char_type_node): Likewise.
9662 (short_integer_type_node): Likewise.
9663 (short_unsigned_type_node): Likewise.
9664 (integer_type_node): Likewise.
9665 (unsigned_type_node): Likewise.
9666 (long_integer_type_node): Likewise.
9667 (long_unsigned_type_node): Likewise.
9668 (long_long_integer_type_node): Likewise.
9669 (long_long_unsigned_type_node): Likewise.
9670 * tree.c (integer_types): New variable.
9671 (init_obstacks): Register it as a root.
9673 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
9675 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
9676 NEXT_INSN. Update last insn in chain.
9678 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
9680 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
9681 with TYPE_DECL_SUPPRESS_DEBUG set.
9683 2000-03-18 Richard Henderson <rth@cygnus.com>
9685 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
9687 2000-03-18 Richard Henderson <rth@cygnus.com>
9689 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
9690 care for HALF_PIC_P.
9691 (expander_call_insn_operand): Remove.
9692 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
9693 * i386.h (PREDICATE_CODES): Update.
9694 * i386.md (all call expanders): Remove predicates, remove special
9695 handling for half-pic.
9696 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
9697 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
9698 (sibcall_epilogue): New.
9700 2000-03-17 Richard Henderson <rth@cygnus.com>
9702 * rtlanal.c (single_set): Reject if the parallel has anything
9703 except SET or USE or CLOBBER.
9705 2000-03-17 Jeff Law <law@cygnus.com>
9706 Richard Henderson <rth@cygnus.com>
9708 * Makefile.in (OBJS): Add sibcall.o.
9710 * sibcall.c: New file.
9711 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
9712 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
9713 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
9714 Emit sibcall patterns when requested. Update all callers.
9715 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
9716 elimination seems feasable.
9717 * final.c (leaf_function_p): Sibling calls don't discount being
9719 * flow.c (HAVE_sibcall_epilogue): Provide default.
9720 (find_basic_blocks_1): Sibling calls don't throw.
9721 (make_edges): Make edge from sibling call to EXIT.
9722 (propagate_block): Don't remove sibcall_epilogue insns.
9723 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
9724 (sibcall_epilogue): New.
9725 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
9726 (identify_blocks_1): Likewise. Break out from ...
9727 (identify_blocks): ... here.
9728 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
9729 (reorder_blocks): ... here.
9730 (init_function_for_compilation): Zap prologue/epilogue as varrays.
9731 (record_insns): Extend a varray instead of mallocing new memory.
9732 (contains): Read a varray not array of ints.
9733 (sibcall_epilogue_contains): New.
9734 (thread_prologue_and_epilogue_insns): Emit and record
9735 sibcall_epilogue patterns.
9736 (init_function_once): Allocate prologue/epilogue varrays.
9737 * genflags.c (gen_insn): Treat sibcall patterns as calls.
9738 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
9740 (save_for_inline_nocopy): ... here.
9741 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
9743 (expand_inline_function): ... here.
9744 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
9745 (subst_constants): Handle 'n' formats.
9746 * jump.c (jump_optimize_minimal): New.
9747 (jump_optimize_1): New arg `minimal'; update callers. Elide most
9748 optimizations if it's set.
9749 * rtl.c (copy_rtx): Do copy jump & call for insns.
9750 * rtl.h (struct rtx_def): Document use of jump and call for insns.
9751 (SIBLING_CALL_P): New.
9752 (sibcall_use_t): New.
9753 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
9754 Invoke optimize_sibling_and_tail_recursive_calls.
9755 * tree.c (lang_safe_for_unsave): New.
9756 (safe_for_unsave): New.
9757 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
9759 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
9760 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
9761 (*sibcall_osf_1, *sibcall_value_osf_1): New.
9763 2000-03-17 Mark Mitchell <mark@codesourcery.com>
9765 * objc/objc-act.c (encode_method_prototype): Pass types, not
9766 PARM_DECLs, to int_size_in_bytes.
9768 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
9770 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
9772 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
9773 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
9775 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9777 * Clean up usages of TREE_INT_CST_LOW.
9778 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
9779 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
9781 * c-tree.h (min_precision): Move declaration to here.
9782 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
9783 (build_unary_op, add_pending_init): Use bit_position.
9784 (pending_init_member, process_init_element): Likewise.
9785 (really_start_incremental_init, push_init_level, pop_init_level):
9786 Don't make copies of nodes or modify them in place, use consistent
9787 types when tracking positions, and use tree routines computations.
9788 (set_init_index, output_init_element): Likewise.
9789 (output_pending_init_elements, process_init_element): Likewise.
9790 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
9791 tree_low_cst and int_bit_position; also minor cleanup.
9792 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
9793 (print_cst_octal): Precision is unsigned.
9794 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
9795 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
9796 (simple_type_align_in_bits): Result is unsigned int.
9797 Use tree_int_low_cst and host_integerp.
9798 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
9799 (field_byte_offset): Result is HOST_WIDE_INT.
9800 Change types of internal variables so alignments are unsigned int,
9801 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
9802 Use host_integerp, tree_low_cst, and int_bit_position.
9803 (add_bit_offset_attribute): Likewise.
9804 (add_data_member_location_attribute): Use tree_cst_low.
9805 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
9806 (add_bit_size_attribute): Use tree_low_cst.
9807 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
9808 * dwarfout.c: Similar changes to dwarf2out.c.
9809 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
9810 * genoutput.c (n_occurences): Return -1 for null string.
9811 (strip_whitespace): Accept null string and make into function.
9812 (scan_operands): Reflect above changes.
9813 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
9814 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
9815 * ssa.c (rename_registers): Add missing cast of arg to bzero.
9816 * tree.c (int_size_in_bytes): Check for too big to represent.
9817 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
9818 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
9820 (min_precision): Delete from here.
9821 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
9822 and int_bit_position.
9823 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
9824 (encode_method_def): Likewise.
9825 (build_ivar_list_initializer): Use int_bit_position.
9826 (generate_shared_structures): Convert size.
9827 (encode_type, encode_complete_bitfield): Use integer_zerop.
9828 (encode_bitfield): Use tree_low_cst and int_bit_position.
9830 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9832 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
9834 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9836 * call.c (special_function_p): It is only malloc if it returns
9839 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9841 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
9842 (C33_FLAG, TARGET_C3X): Add macros.
9843 (TARGET_SWITCHES): Add -m33 option.
9844 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
9846 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9848 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
9849 (PARALLEL_PACK_FLAG): Delete.
9850 (TARGET_SWITCHES): Update.
9851 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
9853 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9855 * fold-const.c (fold): Fix a few cases when the returned result
9856 is not of the same type as the input.
9858 2000-03-16 Nick Clifton <nickc@cygnus.com>
9860 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
9863 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9865 * libgcc2.h: Move prototypes above macros with the same name.
9866 Wrap some function prototypes in the conditional which indicates
9867 whether they are supported, i.e. "BITS_PER_UNIT == 8".
9869 2000-03-16 Richard Henderson <rth@cygnus.com>
9871 * calls.c: Revert last two changes.
9873 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
9875 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
9876 has exponent 0 is a zero.
9878 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
9879 HASH may already be nonzero. Add code/mode into hash value
9880 immediately after repeat label.
9881 (cselib_lookup): Don't leave the hash table in an inconsistent
9882 state before a hash lookup operation.
9884 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
9886 * i386.md (all HI and QI mode non-move patterns): Conditionize
9887 by TARGET_[HQ]IMODE_MATH.
9888 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
9889 x86_promote_qi_regs): Declare.
9890 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
9891 TARGET_PROMOTE_QI_REGS): New macros.
9892 (PROMOTE_MODE): New macro.
9893 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
9894 x86_promote_qi_regs): New global variables.
9896 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
9898 * calls.c (emit_library_call_value_1): Break out from ...; handle
9899 VOIDmode function calls too.
9900 (emit_library_call_value): ... here.
9901 (emit_library_call): Implement by calling emit_library_call_value_1.
9903 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
9905 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
9906 Update arg_space_so_far on stack adjustments.
9907 (emit_library_call, emit_library_call_value): Likewise; take into
9908 account arg_space_so_far and pending_stack_adjust when calculcating
9911 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
9913 * flow.c: Move all basic block reordering code into its own file.
9914 (create_basic_block): Externalize.
9915 * bb-reorder.c: New file. Copy all basic block reordering code from
9916 flow.c to this file.
9917 (reorder_basic_blocks): Fix fencepost error in for-loop.
9918 (reorder_basic_blocks): Remove braces from single statement for-loops.
9919 * basic-block.h: Add declaration for create_basic_block.
9920 * Makefile.in: Add rules for bb-reorder.o.
9922 2000-03-16 Neil Booth <NeilB@earthling.net>
9924 * cppinit.c (handle_option): Implement #unassert directive
9925 as -A- command line option.
9926 (print_help): Update.
9927 * cpptexi.c: Update.
9929 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
9931 * md.texi (Standard Names): Document `jump'.
9933 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
9935 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
9938 2000-03-15 Geoff Keating <geoffk@cygnus.com>
9940 Merge changes from newppc-branch onto trunk.
9942 2000-03-15 Geoff Keating <geoffk@cygnus.com>
9944 * rs6000.c (toc_hash_table): Update for new hash table functions.
9945 (toc_hash_function): Likewise.
9946 (toc_hash_eq): Likewise.
9947 (toc_hash_mark_entry): Likewise.
9948 (toc_hash_mark_table): Likewise.
9949 (output_toc): Likewise.
9950 (rs6000_add_gc_roots): Likewise.
9952 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9954 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
9955 (AR_FLAGS_FOR_TARGET): here. New macro.
9957 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
9959 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
9960 fpmem_operand) Delete.
9962 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
9963 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
9964 (rs6000_save_machine_status, rs6000_restore_machine_status,
9965 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
9966 references to above variables.
9967 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
9968 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
9969 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
9970 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
9971 (XER_REGNO_P, XER_REGNO): New.
9972 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
9973 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
9974 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
9976 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
9977 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
9978 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
9980 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9982 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
9983 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
9984 * rs6000.h: from here.
9986 * rs6000-protos.h (rs6000_select_section): Provide prototype.
9987 (rs6000_select_rtx_section): Likewise.
9988 (rs6000_encode_section_info): Likewise.
9989 (sdata_section): Likewise.
9990 (sdata2_section): Likewise.
9991 (sbss_section): Likewise.
9992 * sysv4.h (rs6000_select_section): Delete prototype.
9993 (rs6000_select_rtx_section): Likewise.
9994 (rs6000_encode_section_info): Likewise.
9995 (sdata_section): Likewise.
9996 (sdata2_section): Likewise.
9997 (sbss_section): Likewise.
9998 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
10000 * sysv4.h: Delete various unnecessary #undef's and put a comment
10001 on the remaining ones.
10002 Change various comments according to coding standard.
10004 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
10006 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
10007 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
10008 (CR0_REGNO_P) Remove.
10009 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
10010 setup_incoming_varargs, mtcrf_operation, print_operand,
10011 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
10012 Use the above macros.
10014 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
10016 * config/rs6000/rs6000.md: Added a new alternative for each
10017 pattern that had a 'x' alternative but no 'y' alternative.
10018 Added a new split for each of the above patterns.
10020 2000-02-18 Geoff Keating <geoffk@cygnus.com>
10022 * aix41.h (ASM_CPU_SPEC): Delete.
10023 (CPP_CPU_SPEC): Delete.
10025 * aix.h (RS6000_OUTPUT_BASENAME): Define.
10026 (ASM_OUTPUT_LABEL): Define.
10027 (ASM_GLOBALIZE_LABEL): Define.
10028 (STRIP_NAME_ENCODING): Define.
10029 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
10030 (STRIP_NAME_ENCODING): Don't define.
10031 (ASM_OUTPUT_LABEL): Don't define.
10032 (ASM_GLOBALIZE_LABEL): Don't define.
10033 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
10034 names, and ASM_OUTPUT_LABEL to output labels, rather than
10036 (ASM_OUTPUT_LABEL): Define.
10037 (ASM_OUTPUT_INT): Use assemble_name.
10038 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
10039 (STRIP_NAME_ENCODING): Don't undefine first.
10040 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
10042 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
10043 specified with 'asm' even with -fleading-underscore.
10044 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
10045 (output_epilog): Likewise.
10046 (output_toc): Likewise.
10047 * tramp.asm: Handle -fleading-underscore correctly.
10049 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
10051 (nonlocal_goto_receiver): Delete.
10052 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
10054 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
10055 (SET_ASM_OP): Define.
10056 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
10058 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
10059 (ASM_LONG): Define.
10061 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
10062 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
10064 * rs6000.h: Add 'u' to more constants.
10066 2000-02-18 David Edelsohn <edelsohn@gnu.org>
10068 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
10070 2000-02-15 David Edelsohn <edelsohn@gnu.org>
10072 * rs6000.c (reg_or_u_cint_operand): New function.
10073 (logical_operand): Handle 64-bit hosts.
10074 (logical_u_operand): New function.
10075 (non_logical_cint_operand): Handle 64-bit hosts.
10076 (non_logical_u_cint_operand): New function.
10077 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
10078 (PREDICATE_CODES): Define new functions.
10079 * rs6000-protos.h: Declare new functions.
10080 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
10081 (movdi_64): Bracket code intended for 64-bit hosts. Create
10082 CONST_DOUBLE for 32-bit values.
10083 (scc insns): Generate DImode compares.
10084 (mfcr insns): Create DImode versions.
10085 (sge matchers): New patterns.
10087 2000-02-15 Gabriel Paubert <paubert@iram.es>
10089 * rs6000.md: Correct instructions length attributes and
10090 constraints on unsigned compare instructions.
10091 (*ne0): Disable for PowerPC64.
10093 2000-02-11 Geoff Keating <geoffk@cygnus.com>
10095 * rs6000.c (output_function_profiler): Use .long for a 32-bit
10096 quantity, fix profile1.C test failure under -fPIC.
10098 * rs6000.c: Add 'u' to many constants to suppress warnings.
10099 (constant_pool_expr_1): Make static.
10100 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
10101 * rs6000.h: Add 'u' to many constants to suppress warnings.
10103 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
10104 for the start of the TOC, instead of LCTOC..0.
10105 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
10107 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
10108 (load_toc_aix_di): Use LCTOC..1.
10110 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
10111 * rs6000.c (rs6000_legitimize_address): New function from
10112 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
10113 symbols in the constant pool that really are TOC references.
10114 (print_operand_address): For ELF, write TOC offsets under
10115 -fPIC as subtractions in the insn.
10116 (output_toc): For ELF, define symbols in TOC as normal labels,
10118 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
10119 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
10120 (create_TOC_reference): Prototype only when RTX_CODE is defined.
10121 * rs6000.md (movsi): Only use create_TOC_reference on
10122 symbols in the constant pool that really are TOC references.
10124 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
10125 * rs6000.c (rs6000_reorg): Delete.
10126 * rs6000-protos.h (rs6000_reorg): Delete.
10128 2000-02-09 Geoff Keating <geoffk@cygnus.com>
10130 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
10132 * aix.h (SETUP_FRAME_ADDRESSES): Define.
10133 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
10134 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
10135 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
10136 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
10137 rs6000_aix_emit_builtin_unwind_init.
10138 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
10139 rs6000_emit_eh_toc_restore on AIX.
10140 (return_eh_si): Use r2.
10141 (return_eh_di): Use r2.
10143 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
10144 since we're breaking binary compatibility anyway.
10146 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
10148 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
10149 constant_pool_expr_p): Declare them.
10150 (constant_pool_expr_p): Declare it.
10151 * config/rs6000/rs6000.c (toc_label_name): Define.
10152 (rs6000_override_options): Set toc_label_name.
10153 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
10154 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
10155 uses_TOC): New functions.
10156 (print_operand): Delete old '*' case.
10157 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
10158 and strip off rtl for TOC before calling output_addr_const.
10159 (rs6000_emit_load_toc_table): Use toc_label_name.
10160 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
10162 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
10163 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
10164 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
10165 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
10166 into explicit TOC_REGISTER offsets.
10167 (TOC_REGISTER): New macro.
10168 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
10169 TARGET_TOC to reference TOC_REGISTER.
10170 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
10171 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
10172 uses_TOC before emitting label references.
10174 2000-02-05 Geoff Keating <geoffk@cygnus.com>
10176 * rs6000.md (stack_tie): Fix warning.
10178 * eabi-ctors.c: Use 'asm' names for the start/end variables,
10179 to handle -fleading-underscore.
10180 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
10181 (USER_LABEL_PREFIX): New macro.
10182 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
10183 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
10184 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
10185 call-linux can use the same multilibs.
10186 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
10187 and call-linux multilibs. Do multilib with -fleading-underscore.
10188 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
10189 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
10192 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
10193 have MASK_SOFT_FLOAT set.
10194 (CPP_FLOAT_DEFAULT_SPEC): New macro.
10195 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
10196 CPP_FLOAT_DEFAULT_SPEC.
10198 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
10199 * rs6000.md: Whitespace change.
10200 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
10201 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
10203 2000-02-05 Geoff Keating <geoffk@cygnus.com>
10205 * rs6000.md (eh_epilogue): New expander.
10206 (eh_reg_restore): New expand/split/insn combination.
10207 (return_eh_si): New insn.
10208 (return_eh_di): New insn.
10210 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
10211 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
10212 * eabi-ctors.c (__do_global_ctors): Register this object's
10213 frame. Clean up. Call atexit() after the constructors.
10214 (__do_global_dtors): Deregister this object's frame. Clean up.
10215 Allow for recursive calls to exit().
10216 * rs6000.c (fixuplabelno): New variable.
10217 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
10218 TARGET_RELOCATABLE, it slows down exec() under linux.
10219 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
10221 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
10222 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
10223 (ASM_OUTPUT_DWARF_DELTA2): New macro.
10224 (ASM_OUTPUT_DWARF_DELTA4): New macro.
10225 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
10226 (ASM_OUTPUT_DWARF_ADDR): New macro.
10227 (ASM_OUTPUT_DWARF_DATA4): New macro.
10228 (ASM_OUTPUT_DWARF_DATA2): New macro.
10229 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
10230 (ASM_OUTPUT_DWARF_OFFSET): New macro.
10231 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
10233 2000-02-03 Geoff Keating <geoffk@cygnus.com>
10235 * rs6000.c (rs6000_sr_alias_set): New variable.
10236 (rs6000_override_options): Initialise rs6000_sr_alias_set.
10237 (rs6000_emit_stack_tie): New function.
10238 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
10239 in a way that dwarf2out can understand.
10240 (rs6000_frame_related): New function.
10241 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
10242 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
10243 Use rs6000_emit_stack_tie when needed.
10244 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
10245 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
10246 * rs6000.md (stack_tie): New insn.
10247 (return_internal_si): Allow return value to be in the count
10249 (return_internal_di): Likewise.
10251 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
10253 2000-02-03 Geoff Keating <geoffk@cygnus.com>
10255 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
10257 2000-01-31 Geoff Keating <geoffk@cygnus.com>
10259 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
10261 * rs6000.md (stmw): Use the right POWER opcode.
10264 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10266 * rs6000-protos.h: New file.
10268 * rs6000.c: Include tm_p.h. Fix compile time warnings.
10270 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
10273 * sysv4.h: Likewise.
10275 2000-01-28 Geoff Keating <geoffk@cygnus.com>
10277 * ../../configure.in: Delete powerpcle-*-winnt*
10278 and powerpcle-*-pe|powerpcle-*-cygwin*.
10279 * ../../configure: Regenerated.
10280 * cygwin.h: Delete.
10281 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
10282 (TARGET_WINDOWS_NT): Delete.
10284 (CALL_NT_DLLIMPORT): Delete.
10285 Delete NT-specific code.
10286 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
10287 * win-nt.h: Delete.
10289 * nt-ci.asm: Delete.
10290 * nt-cn.asm: Delete.
10291 * ntstack.asm: Delete.
10293 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10295 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
10296 (ASM_FILE_START): Likewise.
10297 (ASM_DECLARE_FUNCTION_NAME): Likewise.
10298 (ASM_OUTPUT_LABELREF): Likewise.
10299 (ASM_OUTPUT_SKIP): Likewise.
10300 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
10301 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
10302 (ASM_OUTPUT_CASE_LABEL): Likewise.
10303 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
10304 (ASM_OUTPUT_ASCII): Likewise.
10306 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
10308 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
10309 reload_toc_labelno for non-prologue TOC reloads. Also, don't
10310 increment rs6000_pic_labelno here.
10311 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
10312 and increment rs6000_pic_labelno here.
10314 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
10316 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
10317 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
10318 allocation knows (reg) is dead before the insn.
10320 2000-01-21 Geoff Keating <geoffk@cygnus.com>
10322 * rs6000.md (movsi_to_cr): Correct typo in output template.
10324 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
10326 * rs6000.c (rs6000_pic_labelno): Always define.
10327 (rs6000_pic_func_labelno): Delete.
10328 (lmw_operation): Check for a zero base register,
10329 which doesn't mean what we want.
10330 (stmw_operation): New function.
10331 (print_operand): Define new 'l' modifier.
10332 (rs6000_stack_info): We must save all 64 bits of the registers
10333 if TARGET_POWERPC64.
10334 (rs6000_output_load_toc_table): Delete.
10335 (rs6000_emit_load_toc_table): New function.
10336 (rs6000_allocate_stack_space): Delete.
10337 (rs6000_emit_allocate_stack): New function.
10338 (rs6000_emit_prologue): New function.
10339 (output_prolog): Use rs6000_emit_prologue.
10340 (rs6000_emit_epilogue): Change a few variable names to be
10341 more accurate. Restore all 64 bits of the registers if
10342 TARGET_POWERPC64. Only restore the FP registers which were used
10343 if they are being saved/restored one-at-a-time.
10344 (output_mi_thunk): Delete inefficient code generation.
10345 (output_function_profiler): Don't use rs6000_output_load_toc_table.
10346 * rs6000.h: Declare rs6000_emit_load_toc_table,
10347 rs6000_allocate_stack_space, stmw_operation. Don't declare
10348 rs6000_output_load_toc_table.
10349 * rs6000.md (elf_high): Allow register 0, but discourage it
10351 (elf_low): Support loading into register 0.
10352 (load_toc_aix_si): New pattern.
10353 (load_toc_aix_di): New pattern.
10354 (load_toc_v4_pic_si): New pattern.
10355 (load_toc_v4_pic_di): New pattern.
10356 (load_toc_v4_PIC_1): New pattern.
10357 (load_toc_v4_PIC_1b): New pattern.
10358 (load_toc_v4_PIC_2): New pattern.
10359 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
10360 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
10361 (prologue): New expander.
10362 (movesi_from_cr): New pattern.
10363 (stmw): New pattern.
10364 (save_fpregs_si): New pattern.
10365 (save_fpregs_di): New pattern.
10367 2000-01-19 Geoff Keating <geoffk@cygnus.com>
10369 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
10374 2000-01-19 Geoff Keating <geoffk@cygnus.com>
10376 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
10378 (movsi_got_internal): Likewise.
10379 (movsi_got_internal+1): Likewise.
10380 (set_sp): 'unspec 7' does a SImode clobber.
10382 2000-01-19 Geoff Keating <geoffk@cygnus.com>
10384 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
10385 allocate a stack temporary.
10386 (floatsidf2_internal): Likewise.
10387 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
10389 (floatunssidf2): Don't use the fpmem "register", just
10390 allocate a stack temporary.
10391 (floatunssidf2_internal): Likewise.
10392 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
10394 (floatsidf2_loadaddr): Delete.
10395 (floatsidf2_store1): Delete.
10396 (floatsidf2_store2): Delete.
10397 (floatsidf2_load): Delete.
10398 (fix_truncdfsi2): Don't use the fpmem "register", just
10399 allocate a stack temporary.
10400 (fix_truncdfsi2_internal_si): Delete.
10401 (fix_truncdfsi2_internal_di): Delete.
10402 (fix_truncdfsi2_internal): New insn.
10403 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
10404 (fix_truncdfsi2_store): Delete.
10405 (fix_truncdfsi2_load): Delete.
10406 (fctiwz): Produce gen_fctiwz.
10408 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
10410 * eabi.h (INVOKE__main): Define.
10411 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
10413 (rs6000_emit_prologue): Likewise.
10414 * rs6000.h (struct rs6000_stack): Don't keep track of whether
10415 this is the main program.
10417 2000-01-19 Geoff Keating <geoffk@cygnus.com>
10419 * rs6000.c (rs6000_va_arg): Delete some unused variables.
10421 2000-01-19 Geoff Keating <geoffk@cygnus.com>
10423 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
10424 goes after the argument.
10426 2000-01-12 Geoff Keating <geoffk@cygnus.com>
10428 * rs6000.md: Document 'unspec' values used.
10429 (epilogue): New expander.
10430 (movesi_to_cr_one): New expander.
10431 (movesi_to_cr and following): New pattern.
10432 (lmw): New pattern.
10433 (return_internal_si): New pattern.
10434 (return_internal_di): New pattern.
10435 (return_and_restore_fpregs_si): New pattern.
10436 (return_and_restore_fpregs_di): New pattern.
10437 * rs6000.h: Declare new functions.
10438 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
10439 rather than rs6000_calls_p.
10440 (rs6000_makes_calls): Delete.
10441 (lmw_operation): New function.
10442 (mtcrf_operation): New function.
10443 (rs6000_emit_epilogue): New function.
10444 (output_epilog): Call rs6000_emit_epilogue and final if
10445 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
10447 2000-01-12 Geoff Keating <geoffk@cygnus.com>
10449 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
10450 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
10451 * aix.h (SUBTARGET_SWITCHES): Document switches.
10452 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
10453 sched-prolog and sched-epilog the same. Document all the
10455 (TARGET_OPTIONS): No longer allow -mdebug-.
10457 2000-01-12 Geoff Keating <geoffk@cygnus.com>
10459 * rs6000.h (ASM_FILE_END): Move to aix.h.
10460 (EXTRA_SECTIONS): Move to aix.h.
10461 (READONLY_DATA_SECTION): Move to aix.h.
10462 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
10463 (SELECT_SECTION): Move to aix.h.
10464 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
10465 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
10466 (LINK_REGISTER_REGNUM): New definition.
10467 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
10468 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
10470 * sysv4.h: Delete the code between the inclusion of rs6000.h
10472 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
10473 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
10474 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
10475 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
10476 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
10477 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
10478 (fix_truncdfsi2_internal_di): New pattern.
10479 (fix_truncdfsi2_store): The second arg here is Pmode too.
10480 (fix_truncdfsi2_load): The second arg here is Pmode too.
10481 (tablejumpdi): Now that switch tables hold only SImode values,
10482 gcc needs to know how to add them to the pc which is DImode.
10483 * rs6000.c (rs6000_stack_info): Use symbolic name for
10484 LINK_REGISTER_REGNUM.
10485 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
10486 (output_toc): Delete unused variables s1 and s2.
10487 (output_ascii): Use fputs not fprintf on a variable string.
10489 2000-01-07 David Edelsohn <edelsohn@gnu.org>
10491 * rs6000.c (processor_target_table): Add power3 as alias for 630.
10492 * aix43.h: Revert Aug 2 change.
10493 (HAS_INIT_SECTION): Define, not visible yet.
10494 (LD_INIT_SWITCH): Define, not visible yet.
10495 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
10497 2000-01-04 Joel Sherrill (joel@OARcorp.com>
10499 * config/rs6000/rtems.h: Include config/rtems.h.
10501 2000-01-04 David Edelsohn <edelsohn@gnu.org>
10503 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
10504 (SLOW_UNALIGNED_ACCESS): Define.
10505 (CASE_VECTOR_MODE): Always use 32-bit offsets.
10506 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
10507 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
10508 (toc_section): Likewise and .toc pseudo-op.
10509 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
10511 (TEXT_SECTION_ASM_OP): Likewise.
10512 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
10515 1999-12-17 Jakub Jelinek <jakub@redhat.com>
10517 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
10518 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
10521 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10523 * rs6000.h: Move more stuff from here...
10525 * sysv4.h: Cleanup accordingly.
10526 * netware.h: Likewise
10528 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10530 * rs6000.h: Continue cleanup.
10532 * lynx.h: Likewise.
10533 * netware.h: Likewise.
10534 * sol2.h: Likewise.
10535 * sysv4.h: Likewise.
10536 * win-nt.h: Likewise.
10538 * rs6000.h (TARGET_SWITCHES): Add descriptions.
10539 (TARGET_OPTIONS): Likewise.
10541 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
10542 (SUBTARGET_OPTIONS): Likewise.
10544 * rs6000.md: Fix compile time warnings.
10546 2000-01-04 Geoff Keating <geoffk@cygnus.com>
10548 vxworks patches from the Cygnus tree originally by
10549 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
10550 <vmakarov@cygnus.com>.
10551 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
10552 (ENDFILE_SPEC): Likewise.
10553 (LIB_VXWORKS_SPEC): New macro.
10554 (STARTFILE_VXWORKS_SPEC): New macro.
10555 (ENDFILE_VXWORKS_SPEC): New macro.
10556 (LINK_START_VXWORKS_SPEC): New macro.
10557 (LINK_OS_VXWORKS_SPEC): New macro.
10558 (CPP_OS_VXWORKS_SPEC): New macro.
10559 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
10560 * vxppc.h: Rewrite to use proper configuration method.
10561 * vxppcle.h: New file.
10562 * ../../configure.in: Add powerpcle-wrs-vxworks*.
10563 * ../../configure: Rebuilt.
10565 2000-01-04 Geoff Keating <geoffk@cygnus.com>
10567 Lots of changes to rs6000.h, sysv4.h, aix.h,
10568 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
10569 with the aim that rs6000.h is the first header
10570 included and the others override it.
10573 * x-aix41-gld: Remove.
10575 * x-aix41: Remove target-specific switches, and don't specify
10576 -Wl,-bbigtoc as we don't need it any more.
10577 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
10578 Use t-aix43 for AIX 4.3 and above.
10579 * ../../configure: Regenerated.
10581 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
10582 options, that don't do anything yet.
10583 (MASK_SCHED_PROLOG): New macro.
10584 (MASK_SCHED_EPILOG): New macro.
10585 (TARGET_SCHED_PROLOG): New macro.
10586 (TARGET_SCHED_EPILOG): New macro.
10588 2000-01-04 Geoff Keating <geoffk@cygnus.com>
10590 * rs6000.c: Correct comment, the `minimal' TOCs are actually
10591 one per translation unit, not one per function.
10592 (output_toc): Also do duplicate constant elimination
10593 for per-translation-unit TOCs.
10595 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
10596 a comment explaining _exactly_ when this pattern gets used.
10597 (builtin_setjmp_receiver): New pattern for better clarity.
10598 (init_v4_pic): Move it into a section dealing with TOC registers.
10600 1999-12-30 Geoff Keating <geoffk@cygnus.com>
10602 * rs6000.c (toc_hash_table): New variable.
10603 (rs6000_hash_constant): New function.
10604 (toc_hash_function): New function.
10605 (toc_hash_eq): New function.
10606 (toc_hash_mark_entry): New function.
10607 (toc_hash_mark_table): New function.
10608 (output_toc): Don't output duplicate TOC entries in
10610 (rs6000_add_gc_roots): Add the hash table as a GC root.
10611 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
10612 where they clearly shouldn't be. This may need to be fixed
10613 later when there is a GNU ar for AIX.
10614 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
10615 Don't define BOOT_LDFLAGS as it is now not necessary.
10617 1999-12-29 Geoff Keating <geoffk@cygnus.com>
10619 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
10620 for va_list on AIX. Use unsigned_char_type_node rather than
10621 constructing our own version on svr4.
10623 1999-12-17 Geoff Keating <geoffk@cygnus.com>
10625 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
10626 since patently it's not.
10628 1999-12-08 Geoff Keating <geoffk@cygnus.com>
10630 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
10631 define_expand/define_insn pair, and handle restore of the
10632 SVR4 -fpic register.
10634 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
10636 * acconfig.h (HAVE_GAS_WEAK): New define.
10637 * configure.in (assembler weak support): Check for .weak support.
10638 * config.in, configure: Rebuilt.
10639 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
10640 HAVE_GAS_WEAK is defined.
10642 2000-03-15 Nick Clifton <nickc@cygnus.com>
10644 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
10647 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
10649 * cppfiles.c (open_include_file): New function.
10650 (find_include_file, cpp_read_file): Use it.
10652 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
10654 * cpphash.c (dump_hash_helper): Take the slot, not the element.
10656 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
10658 * flow.c (verify_flow_info): Check for unconditional return.
10660 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
10662 * config/ia64/ia64.md (restore_stack_nonlocal): New.
10663 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
10664 (__ia64_restore_stack_nonlocal): New.
10665 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
10667 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10669 * cpphash.c (collect_formal_parameters): Do not complain about
10670 parameter names that just start with `__VA_ARGS__'.
10672 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
10674 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
10675 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
10676 * i386.c (pentiumpro_cost): Set mul cost to 4.
10677 (x86_use_movx): Set for PPro.
10679 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
10681 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
10682 STACK_BOUNDARY for empty frames now.
10684 2000-03-14 Mark Mitchell <mark@codesourcery.com>
10686 * stor-layout.c (layout_union): Remove.
10687 (layout_union_field): New function, split out from layout_union.
10688 (finish_union_layout): Likewise.
10689 (layout_field): Handle unions by calling layout_union_field.
10690 (finish_record_layout): Handle unions.
10691 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
10692 QUAL_UNION_TYPE handling.
10694 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
10696 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
10697 end of basic block is jump_insn, not barrier; use create_basic_block
10698 instead of creating basic block by hand.
10700 2000-03-14 Jason Eckhardt <jle@cygnus.com>
10702 * flow.c (reorder_basic_blocks): Account for barriers when writing
10703 over NEXT_INSN (last_bb->end).
10704 (verify_flow_info): Add check for missing barriers.
10706 2000-03-14 Greg McGary <gkm@gnu.org>
10708 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
10709 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
10710 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
10711 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
10712 __unbounded, __unbounded__): New keywords.
10713 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
10714 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
10715 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
10717 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
10719 * cselib.h: New file.
10720 * alias.c: Include "cselib.h".
10721 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
10722 MEMs as two new arguments.
10723 (get_addr): New static function.
10724 (find_base_term): Handle VALUEs.
10725 (memrefs_conflict_p): Likewise.
10726 (true_dependence): Call get_addr on the addresses.
10727 Call fixed_scalar_and_varying_struct_p with addresses that have been
10728 passed through get_addr and canon_rtx.
10729 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
10730 with true_dependence.
10731 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
10732 * loop.c: Include "cselib.h".
10733 (load_mems): Process extended basic block that enters the loop with
10734 cselib. Use that information to change initialization of the shadow
10735 register so that a constant equivalence is seen by later passes.
10736 * reload1.c: Include "cselib.h".
10737 (reload_cse_invalidate_regno): Delete function.
10738 (reload_cse_mem_conflict_p): Likewise.
10739 (reload_cse_invalidate_mem): Likewise.
10740 (reload_cse_invalidate_rtx): Likewise.
10741 (reload_cse_regno_equal_p): Likewise.
10742 (reload_cse_check_clobber): Likewise.
10743 (reload_cse_record_set): Likewise.
10744 (reg_values): Delete static variable.
10745 (invalidate_regno_rtx): Likewise.
10746 (reload_cse_delete_noop_set): New static function.
10747 (reload_cse_simplify): New static function, broken out of
10749 (reload_cse_noop_set_p): Delete unused argument INSN.
10750 Just call rtx_equal_for_cselib_p on set source and destination.
10751 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
10752 reload_cse_delete_noop_set. Delete code to keep track of values; use
10753 cselib functions instead. Delete code to push/pop obstacks.
10754 (reload_cse_simplify_set): Use cselib to find equivalent values.
10755 Delete code to push/pop obstacks.
10756 (reload_cse_simplify_operands): Likewise.
10757 * rtl.def (VALUE): New rtx code.
10758 * rtl.h (union rtunion_def): New elt rt_cselib.
10759 (X0CSELIB, CSELIB_VAL_PTR): New macros.
10760 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
10761 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
10762 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
10763 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
10764 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
10765 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
10766 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
10767 cselib_record_set, cselib_record_sets): New static functions.
10768 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
10769 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
10770 references_value_p): New functions.
10771 (MAX_USELESS_VALUES, REG_VALUES): New macros.
10772 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
10773 n_useless_values, reg_values, callmem, cselib_obstack,
10774 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
10775 New static variables.
10776 * varray.h (union varray_data_tag): New elt te.
10777 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
10778 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
10781 2000-03-14 Nick Clifton <nickc@cygnus.com>
10783 * gcc.c (do_spec_1): Catch the case where %* is used in a
10784 substitution pattern, but it has not been initialised.
10785 Issue a meaningful error message if an unrecognised operator
10786 is encountered in a spec string.
10788 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
10790 * function.c (prepare_function_start): Correctly initialize
10791 cfun->stack_alignment_needed.
10793 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
10795 * cppfiles.c (find_include_file): Don't assume nshort is a
10798 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
10800 * configure.in (hppa configurations): Add pa32-regs.h to the
10801 list of tm files as appropriate.
10802 * configure: Rebuilt.
10803 * pa.c (compute_frame_size): Remove explicit knowledge about FP
10804 register numbering.
10805 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
10806 (fmpyaddoperands, fmpysuboperands): Likewise.
10807 * pa.h: Remove various definitions which depend on knowing
10808 how registers are numbered.
10809 * pa32-regs.h: New file with PA32 register numbering specific
10812 2000-03-14 Richard Henderson <rth@cygnus.com>
10814 * regmove.c (combine_stack_adjustments): New.
10815 (stack_memref_p, single_set_for_csa): New.
10816 (free_csa_memlist, record_one_stack_memref): New.
10817 (try_apply_stack_adjustment): New.
10818 (combine_stack_adjustments_for_block): New.
10819 * rtl.h (combine_stack_adjustments): Declare.
10820 * toplev.c (rest_of_compilation): Call it.
10822 * i386.md: Revert 2000-01-16 change.
10824 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10826 * gccbug.in: Add web category, gcc specific classes.
10828 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
10830 * stor-layout.c (finalize_record_size): Fix typo.
10832 2000-03-14 Stan Shebs <shebs@apple.com>
10834 * c-typeck.c (c_alignof): Error on incomplete types.
10835 * extend.texi (Alignment): Document this.
10837 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
10839 * cppfiles.c: Include mkdeps.h.
10840 (find_include_file, read_include_file): Remove _cpp_ prefix
10841 from name, make static.
10842 (_cpp_execute_include): New function, broken out of
10845 * cpplib.c: Don't include mkdeps.h.
10846 (struct directive): Remove type field. Reorder entries. The
10847 function takes only one argument.
10848 (struct if_stack): Make type field an int.
10849 (directive_table): Rename to dtable. Generate it, the
10850 prototypes of the directive handlers, and the enum for the
10851 directive numbers, from a template macro.
10852 (do_ifndef, do_include_next, do_import): New functions.
10853 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
10854 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
10855 do_ident, do_assert, do_unassert, do_sccs): Take only one
10857 (do_sccs): Define always, but alter behavior based on
10859 (_cpp_handle_directive, consider_directive_while_skipping):
10860 Restructure for new directive table layout.
10862 (pass_thru_directive): Take a directive number, not a pointer
10863 to a struct directive.
10864 (parse_include): New function, broken out of do_include.
10865 (do_include, do_import, do_include_next): Use parse_include
10866 and _cpp_execute_include.
10867 (do_elif, do_else): Test for T_ELSE specifically when checking
10868 for #elif/#else after #else.
10869 (parse_ifdef): New function, broken out of do_ifdef.
10870 (validate_else): Expect a name arg without a leading #.
10871 (if_directive_name): Delete.
10872 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
10873 directive handlers with only one argument.
10875 * cpphash.h: Update prototypes.
10876 (enum node_type): Remove entries for directives.
10877 * Makefile.in: Update dependencies.
10879 * cpphash.c (dump_hash_helper): Only dump nodes of type
10880 T_MACRO. Emit a newline after each definition.
10882 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10884 * gccbug.in: New file.
10885 * configure.in (all_outputs): Add gccbug.
10886 * Makefile.in (install-common): Install gccbug.
10887 (GCCBUG_INSTALL_NAME): New variable.
10888 * configure: Rebuilt.
10890 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
10892 * function.c (put_var_into_stack): Use type_for_mode to calculate
10893 part_type. Use MEM_SET_IN_STRUCT_P.
10894 * expr.c (store_field): Handle CONCAT.
10895 (store_constructor): Use fields_length.
10896 * tree.c (fields_length): New fn.
10897 * tree.h: Declare it.
10899 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
10901 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
10902 (cpplex.o): New target.
10903 * po/POTFILES.in: Add cpplex.c.
10905 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
10906 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
10907 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
10908 skip_block_comment, skip_line_comment, skip_comment,
10909 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
10910 _cpp_parse_name, skip_string, parse_string,
10911 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
10912 _cpp_get_directive_token, find_position,
10913 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
10914 (maybe_macroexpand, _cpp_lex_token): New functions.
10916 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
10917 parse_goto_mark): Delete.
10918 (_cpp_handle_eof): New function.
10919 (_cpp_handle_directive): Rename from handle_directive.
10920 (_cpp_output_line_command): Rename from output_line_command.
10921 (do_if, do_elif): Call _cpp_parse_expr directly.
10922 * cppfiles.c (_cpp_read_include_file): Don't call
10923 init_input_buffer here.
10924 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
10925 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
10926 here; pop the token_buffer and skip the rest of the line here.
10927 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
10930 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
10932 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
10933 CPP_GOTO_MARK): New macros.
10934 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
10935 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
10936 _cpp_read_and_prescan, _cpp_init_input_buffer,
10937 _cpp_grow_token_buffer, _cpp_get_directive_token,
10938 _cpp_handle_directive, _cpp_handle_eof,
10939 _cpp_output_line_command): Prototype them here.
10940 * cpplib.h (enum cpp_token): Add CPP_MACRO.
10941 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
10942 quote_string, output_line_command): Remove.
10944 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
10946 * stmt.c (expand_end_case): RANGE may be signed, and when checking
10947 whether it is too large we must also verify that it isn't negative.
10949 2000-03-13 Jakub Jelinek <jakub@redhat.com>
10951 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
10952 (movsi_zero_liveg0): Remove.
10953 (movsf_insn_novis_liveg0): Remove.
10955 (negsi2_not_liveg0): Rename to negsi2.
10956 (one_cmplsi2): Remove.
10957 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
10958 (one_cmplsi2_liveg0): Remove.
10959 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
10960 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
10961 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
10962 (PREDICATE_CODES): Remove zero_operand.
10963 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
10964 TARGET_BROKEN_SAVERESTORE.
10965 (zero_operand): Remove.
10966 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
10967 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
10969 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
10970 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
10971 TARGET_BROKEN_SAVERESTORE): Remove.
10972 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
10974 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
10976 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
10979 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
10981 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
10983 * cpplib.c (do_pragma_implementation): Fix off-by-one error
10984 truncating a string. Don't assume tokens are nul terminated.
10985 Problem noted by Andreas Jaeger <aj@suse.de>
10987 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
10989 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
10990 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
10991 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
10993 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
10995 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
10996 STRUCTURE_SIZE_BOUNDARY.
10998 2000-03-13 Mark Mitchell <mark@codesourcery.com>
11000 * tree.h (record_layout_info_s): New structure.
11001 (record_layout_info): New type.
11002 (new_record_layout_info): New function.
11003 (layout_field): Likewise.
11004 (finish_record_layout): Likewise.
11005 * stor-layout.c (layout_record): Remove.
11006 (new_record_layout_info): New function.
11007 (layout_field): New function, broken out from layout_record.
11008 (finalize_record_size): Likewise.
11009 (compute_record_mode): Likewise.
11010 (finalize_type_size): New function, broken out from layout_type.
11011 (finish_record_layout): Likewise.
11012 (layout_type): Use them.
11014 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
11016 * cpphash.c: Don't include version.h.
11017 (special_symbol) [case T_VERSION]: Look for the string in
11018 hp->value.cpval; don't use version_string.
11019 * cppinit.c (initialize_builtins): Set hp->value.cpval for
11020 __VERSION__ to version_string.
11021 * Makefile.in (cpphash.o): Update deps.
11023 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
11025 Convert cpplib to use libiberty/hashtab.c.
11027 * cpplib.h (struct cpp_reader): Make hashtab and
11028 all_include_files of type 'struct htab *'. Delete HASHSIZE
11029 and ALL_INCLUDE_HASHSIZE macros.
11031 * cpphash.h: Update prototypes.
11032 (struct hashnode): Remove next, prev, and bucket_hdr members.
11033 Make length a size_t. Add hash member.
11034 (struct ihash): Remove next member. Add hash member. Make
11035 name a flexible array member.
11037 * cppfiles.c: Include hashtab.h.
11038 (include_hash): Delete.
11039 (IHASHSIZE): New macro.
11040 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
11041 (cpp_included): Do the hash lookup here.
11042 (_cpp_find_include_file): Rewrite.
11043 (cpp_read_file): Put the "fake" hash entry into the hash
11044 table. Honor the control_macro, if it turns out we've seen
11045 the file before. Don't push the buffer here.
11046 (_cpp_read_include_file): Push the buffer here.
11047 (OMODES): New macro. Use it whenever we call open(2).
11049 * cpphash.c: Include hashtab.h.
11050 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
11051 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
11052 _cpp_lookup_slot): New functions.
11053 (HASHSIZE): new macro.
11054 (hashf, _cpp_install, _cpp_delete_macro): Delete.
11055 (_cpp_lookup): Use hashtab.h routines.
11057 * cppinit.c: Include hashtab.h.
11058 (cpp_reader_init): Call _cpp_init_macro_hash and
11059 _cpp_init_include_hash. Don't allocate hashtab directly.
11060 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
11061 pfile->all_include_files.
11062 (initialize_builtins): Use _cpp_make_hashnode and
11063 htab_find_slot to add hash entries.
11064 (cpp_finish): Just call _cpp_dump_macro_hash.
11065 * cpplib.c: Include hashtab.h.
11066 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
11067 create hash entries.
11068 (do_pragma_poison, do_assert): Likewise.
11069 (do_include): Don't push the buffer here. Don't increment
11070 system_include_depth unless _cpp_read_include_file succeeds.
11071 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
11072 or htab_remove_elt.
11073 (do_pragma_implementation): Use alloca to create copy.
11075 * Makefile.in: Update dependencies.
11077 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11079 * cppinit.c (cl_directive_handler): More K&R fixing.
11081 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
11083 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
11085 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
11087 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11089 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
11090 Change from char[] to macros.
11092 2000-03-12 Neil Booth <NeilB@earthling.net>
11094 * cppinit.c (cpp_start_read): Update indirect function
11097 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
11099 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
11102 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
11103 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
11105 2000-03-11 Neil Booth <NeilB@earthling.net>
11107 * cppinit.c (struct pending option): Replace undef with a
11108 pointer to a directive handling routine.
11109 (struct cpp_pending): Replace separate assert_ and define_
11110 lists with one directive_ list.
11111 (new_pending_define): Rename new_pending_directive. Extra
11112 argument is the directive's handling routine.
11113 (handle_option): Update to use new_pending_directive.
11115 2000-03-11 Neil Booth <NeilB@earthling.net>
11117 * cppfiles.c (file_cleanup, _cpp_find_include_file,
11118 remap_filename, _cpp_read_include_file, actual_directory,
11119 hack_vms_include_specification): Replace bcopy(), index() etc
11120 calls. Add casts to some allocations. Make some variables
11121 pointers to const [unsigned] char.
11122 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
11123 collect_formal_parameters): Similarly.
11124 * cppinit.c (struct pending_option, append_include_chain,
11125 cpp_options_init, cpp_reader_init, initialize_standard_includes,
11126 cpp_start_read, new_pending_define, handle_option): Similarly.
11127 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
11128 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
11129 do_pragma_implementation, detect_if_not_defined,
11130 do_ifdef, skip_if_group, cpp_get_token, parse_string,
11131 do_assert, do_unassert): Similarly.
11132 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
11133 function prototypes.
11134 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
11136 2000-03-10 Richard Henderson <rth@cygnus.com>
11138 * builtins.c (expand_builtin_strlen): Revert last change.
11139 Use emit_insn_before if we're at the beginning of a sequence.
11141 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
11143 * builtins.c (expand_builtin_strlen): Make sure that we have something
11144 at the beginning of the sequence.
11146 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
11149 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
11151 2000-03-10 Richard Henderson <rth@cygnus.com>
11153 * except.c (can_throw): Use INTVAL on a CONST_INT.
11154 (reachable_handlers): Likewise.
11155 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
11157 2000-03-10 Andreas Jaeger <aj@suse.de>
11159 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
11160 MD_STARTFILE_PREFIX since those are not needed on linux.
11161 (ASM_FILE_START): New, from mips/gnu.h.
11163 2000-03-09 Richard Henderson <rth@cygnus.com>
11164 Alex Samuel <samuel@codesourcery.com> and others
11166 * Makefile.in (ssa.o): New rule.
11168 (STAGESTUFF): Add *.ssa and *.ussa.
11169 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
11170 * rtl.def (PHI): New RTL expression.
11171 * rtl.h (clear_log_links): New declaration.
11172 (convert_to_ssa): Likewise.
11173 (convert_from_ssa): Likewise.
11174 * flow.c (split_edge): If the entry node falls through to the
11175 split edge's source block, split the entry edge.
11176 (clear_log_links): New function.
11177 * toplev.c (ssa_dump): New variable.
11178 (flag_ssa): Likewise.
11179 (f_options): Add "ssa".
11180 (compile_file): Create SSA dump files.
11181 (rest_of_compilation): Go to and from SSA if enabled.
11182 (decide_d_option): Handle -de for SSA dump files.
11185 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
11187 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
11190 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
11192 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
11194 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
11196 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
11197 (MD_STARTFILE_PREFIX_1): New macro.
11199 2000-03-09 Robert Lipe <robertl@sco.com>
11201 * config/ia64/ia64.c: Include system.h.
11203 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
11205 * except.c (nothrow_function_p): If -fno-exceptions, just return.
11206 (init_eh_nesting_info): Likewise.
11208 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
11209 (TREE_NOTHROW): Rename from TREE_RAISES.
11210 * toplev.c (rest_of_compilation): Set it.
11211 * print-tree.c (print_node): Adjust.
11212 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
11213 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
11214 * calls.c (emit_call_1): Add 'nothrow' parm. Add
11215 REG_EH_REGION note as appropriate.
11216 (libfunc_nothrow): New fn.
11217 (emit_library_call, emit_library_call_value): Use it.
11218 (expand_call): Check TREE_NOTHROW.
11220 * varasm.c (make_decl_rtl): Skip initial '*' when setting
11221 DECL_ASSEMBLER_NAME.
11223 2000-03-09 Andreas Jaeger <aj@suse.de>
11225 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
11226 (TARGET_MEM_FUNCTIONS): Define.
11228 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
11230 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
11232 * except.c (can_throw): See through a SEQUENCE.
11233 (nothrow_function_p): New fn.
11234 * except.h: Declare it.
11235 * function.c (current_function_nothrow): New var.
11236 (prepare_function_start): Initialize it.
11237 * output.h: Declare it.
11238 * toplev.c (rest_of_compilation): Set it.
11239 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
11241 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
11243 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
11244 match. (cpp_compare_defs): Count the nul separator when
11245 advancing over argument names.
11247 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
11249 * recog.c (preprocess_constraints): Matching constraints affect
11250 same alternative/different operand, not same operand/different
11253 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
11254 register and a constant specially.
11256 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11258 * libgcc2.h: New file.
11259 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
11261 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
11263 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
11264 * configure: Regenerate.
11265 * config/ia64: New.
11267 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
11269 * Makefile.in (LIBCPP_DEPS): New macro.
11270 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
11271 it to declare deps.
11272 * cpperror.c: Include cpphash.h.
11273 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
11275 (lex): Don't use CPP_WARN_UNDEF.
11276 (_cpp_parse_expr): Return an int, the truth value.
11277 * cppfiles.c: Include cpphash.h.
11278 (_cpp_merge_include_chains): Move to cppinit.c and make static.
11279 * cppinit.c (include_defaults_array): Disentangle.
11280 (cpp_cleanup): Don't free the if stack here.
11281 (cpp_finish): Pop off all buffers, not just one.
11282 * cpplib.c (eval_if_expr): Return int.
11283 (do_xifdef): Rename do_ifdef.
11284 (handle_directive): Don't use CPP_PREPROCESSED.
11285 (cpp_get_token): Don't use CPP_C89.
11286 * fix-header.c: Don't use CPP_OPTIONS.
11288 * cpplib.h: Move U_CHAR, enum node_type, struct
11289 file_name_list, struct ihash, is_idchar, is_idstart,
11290 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
11291 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
11292 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
11293 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
11294 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
11295 of _cpp_simplify_pathname, _cpp_find_include_file,
11296 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
11297 Move struct if_stack to cpplib.c. Move struct cpp_pending to
11299 Change all uses of U_CHAR to be unsigned char instead.
11300 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
11302 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
11304 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
11305 (dwarf2out_begin_prologue): Set it.
11306 (output_call_frame_info): Don't emit EH unwind info for leaves.
11308 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
11309 can occur outside of an EH region.
11310 * except.c: Correct comments about rethrow behavior.
11311 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
11313 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
11315 * flow.c (make_edges): Always call make_eh_edge for calls.
11317 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
11319 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
11320 (struct cpp_buffer): Remove fname and underflow fields.
11321 (struct cpp_reader): Remove get_token field.
11322 (struct include_hash): Rename to struct ihash. Add typedef to
11324 (struct if_stack): Remove fname field.
11325 (IF_STACK_FRAME): Rename to IF_STACK.
11327 * cpperror.c (print_containing_files): Trust that there are no
11328 macro buffers below the top file buffer.
11329 * cppfiles.c: Replace all references to 'struct include_hash'
11330 with 'IHASH'. Rename initialize_input_buffer to
11331 init_input_buffer. Don't set or reference cpp_buffer->fname,
11332 use buffer->ihash->name instead.
11333 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
11334 not CPP_NULL_BUFFER.
11335 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
11336 IF_STACK_FRAME, IHASH not struct include_hash.
11337 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
11338 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
11339 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
11340 references to cpp_buffer->fname (delete entirely, or use
11341 ->ihash->name instead) and IF_STACK->fname.
11342 (cpp_push_buffer): Don't set new->underflow.
11343 (do_include): Use cpp_file_buffer.
11345 * cpphash.c (collect_formal_parameters): Remove duplicate
11346 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
11347 used as a macro argument name. Don't append "..." to namebuf
11348 for varargs macros. After we're done scanning, go through
11349 namebuf and make it NUL separated, not comma separated.
11350 (_cpp_compare_defs): Remove register tag from variables.
11351 Expect defn->argnames to be NUL separated.
11352 (_cpp_dump_definition): Expect defn->argnames to be NUL
11353 separated and in forward order.
11354 * cpphash.h: Update documentation of argnames field.
11356 2000-03-08 Richard Henderson <rth@cygnus.com>
11358 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
11359 to fail. Don't pre-expand the source operand.
11361 * i386.md (strlensi): Initialize eoschar and align before use.
11363 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
11365 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
11366 CONSTRUCTOR element.
11368 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
11370 * mips.c (mips_expand_prologue): If the last
11371 named argument is the vararg marker "va_list", treat it as
11372 an unnamed argument.
11374 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
11376 * dbxout.c (dbxout_parms): When correcting for promoted
11377 big-endian parameters, use the mode of the DECL_RTL rather
11378 than UNITS_PER_WORD.
11380 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
11382 * c-common.h (make_fname_decl): Declare.
11383 * c-common.c (make_fname_decl): Define.
11384 (declare_hidden_char_array): Remove.
11385 (declare_function_name): Use make_fname_decl.
11386 * c-decl.c (c_make_fname_decl): New function.
11387 (init_decl_processing): Set make_fname_decl.
11389 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
11391 * cccp.c (handle_directive): Initialize backslash_newlines_p.
11393 2000-03-07 Philipp Thomas <pthomas@suse.de>
11395 * po/POTFILES.in: Remove cppalloc.c from file list.
11397 2000-03-07 Steve Chamberlain <sac@pobox.com>
11399 * pj.c (pj_expand_prologue): current_function->args_info is
11400 now current_function_args_info.
11402 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
11403 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
11404 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
11406 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11408 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
11409 output as hexadecimal rather than the default octal.
11411 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
11413 * cpphash.c (special_symbol): Fix thinko in previous commit.
11415 2000-03-07 Neil Booth <NeilB@earthling.net>
11417 * cppexp.c (struct operation, left_shift, right_shift,
11418 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
11419 "int"s to "unsigned int"s.
11420 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
11422 * cpplib.h: Update for above.
11423 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
11424 returned from allocations.
11426 * cppinit.c (opt_comp, parse_options): New functions.
11427 (handle_option): Use parse_option to parse a single command
11428 line option, that possibly takes an argument.
11429 (cpp_handle_options): Sort the array of command line options on
11430 first invocation (non-ASCII hosts only).
11431 (print_help): Update.
11433 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
11435 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
11436 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
11438 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
11440 * cppinit.c (cpp_cleanup): Free imp->nshort also.
11442 * cpperror.c (cpp_print_containing_files,
11443 cpp_print_file_and_line, v_cpp_message): Rename to
11444 print_containing_files, print_file_and_line, and v_message.
11445 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
11446 to _cpp_parse_expr, parse_escape, and lex.
11447 (parse_charconst): Remove broken multibyte support.
11448 * cppfiles.c (include_hash): Make static.
11449 (cpp_included): New function.
11450 (merge_include_chains, find_include_file, finclude,
11451 simplify_pathname): Rename to _cpp_merge_include_chains,
11452 _cpp_find_include_file, _cpp_read_include_file, and
11453 _cpp_simplify_pathname.
11454 * cpphash.c (cpp_lookup, free_definition, delete_macro,
11455 cpp_install, create_definition, macroexpand, compare_defs,
11456 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
11457 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
11458 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
11459 * cppinit.c (cpp_handle_option): Rename to handle_option, make
11461 * cpplib.c: Remove extern prototype of cpp_parse_expr.
11463 * cpphash.h: Update prototypes.
11464 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
11466 2000-03-07 Andrew Haley <aph@cygnus.com>
11468 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
11469 PTRDIFF_TYPE should be based solely on Pmode.
11470 (SIZE_TYPE): ditto.
11472 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11474 * rtl.h (rtunion_def): Constify member `rtstr'.
11475 (emit_line_note_after, emit_line_note, emit_line_note_force,
11476 emit_note, decode_asm_operands): Constify.
11478 * cse.c (canon_hash): Likewise.
11480 * dbxout.c (dbxout_block): Likewise.
11482 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
11483 v_warning_for_asm): Likewise.
11485 * dwarfout.c (function_start_label): Likewise.
11487 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
11488 emit_line_note_force): Likewise.
11490 * final.c (last_filename, asm_insn_count, final_scan_insn,
11491 output_source_line): Likewise.
11493 * function.h (struct emit_status): Likewise.
11495 * gcse.c (hash_expr_1): Likewise.
11497 * genattr.c (gen_attr, main): Likewise.
11499 * genattrtab.c (struct function_unit, current_alternative_string,
11500 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
11501 attr_numeral, check_attr_test, check_attr_value,
11502 convert_set_attr_alternative, convert_set_attr,
11503 compute_alternative_mask, simplify_by_exploding, gen_attr,
11504 gen_unit): Likewise.
11506 * genflags.c (gen_insn): Likewise.
11508 * gengenrtl.c (type_from_format): Likewise.
11510 * genopinit.c (gen_insn): Likewise.
11512 * genoutput.c (n_occurrences, process_template, process_template):
11515 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
11518 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
11521 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
11522 ggc_set_mark, ggc_get_size): Likewise.
11524 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
11526 * optabs.c (init_one_libfunc): Likewise.
11528 * output.h (assemble_start_function): Likewise.
11530 * recog.c (decode_asm_operands): Likewise.
11532 * toplev.c (rest_of_compilation): Likewise.
11534 * tree.h (emit_line_note_after, emit_line_note,
11535 emit_line_note_force): Likewise.
11537 * varasm.c (asm_output_bss, asm_output_aligned_bss,
11538 asm_emit_uninitialised, assemble_start_function,
11539 assemble_variable, const_hash, compare_constant_1,
11540 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
11542 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
11544 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
11546 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
11548 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
11550 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
11551 arm_dllimport_name_p): Likewise.
11553 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
11556 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
11558 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
11560 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
11561 arm_mark_dllexport, arm_mark_dllimport,
11562 arm_pe_encode_section_info): Likewise.
11564 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
11565 ASM_FINISH_DECLARE_OBJECT): Likewise.
11567 * arm/thumb.c (thumb_function_prologue): Likewise.
11569 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
11571 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
11573 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
11575 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
11577 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
11579 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
11581 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
11582 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
11584 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
11586 * i386/i386.c (asm_output_function_prefix): Likewise.
11588 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
11590 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
11592 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
11594 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
11595 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
11596 ASM_OUTPUT_SECTION_NAME): Likewise.
11598 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
11600 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
11602 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
11604 * m32r/m32r.c (m32r_encode_section_info): Likewise.
11606 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
11608 * mcore/mcore.c (mcore_encode_section_info): Likewise.
11610 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
11612 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
11614 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
11616 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
11618 * mips/mips.md (movdi, movsi): Likewise.
11620 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
11622 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
11624 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
11626 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
11627 ASM_OUTPUT_ASCII): Likewise.
11629 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
11630 output_mi_thunk, output_toc): Likewise.
11632 * rs6000/rs6000.md (movsi): Likewise.
11634 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
11636 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
11638 * v850/v850.c (print_operand, print_operand_address,
11639 v850_encode_data_area): Likewise.
11641 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
11643 * config/mips/mips.md (zero_extendsidi2): Always force operand
11644 one to memory for mips16.
11646 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11648 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
11649 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
11650 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
11651 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
11652 (min_precision): Result is unsigned.
11653 (add_double, neg_double, mul_double): Low word is unsigned.
11654 (lshift_double, rshift_double, lrotate_double): Likewise.
11655 (rrotate_double, div_and_round_double): Likewise.
11656 (tree_floor_log2, compare_tree_int): New functions.
11657 (preserve_rtl_expr_temps): New declaration.
11658 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
11659 (decl_attributes): Use tree_log2 to find alignment.
11660 Check for TREE_INT_CST_HIGH for format args.
11661 (min_precision): Now unsigned.
11662 Use tree_floor_log2.
11663 (truthvalue_conversion): Delete long-disabled code.
11664 * c-decl.c (finish_struct): Clean up tests on field width.
11665 (finish_function): Use compare_tree_int.
11666 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
11667 * c-typeck.c (comptypes): Use tree_int_cst_equal.
11668 (default_conversion, digest_init): Use compare_tree_int.
11669 (build_binary_op): Use integer_all_onesp and compare_tree_int.
11670 Fix type errors in forming masks.
11671 * calls.c (initialize_argument_information): Use compare_tree_int.
11672 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
11673 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
11674 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
11675 (store_field): Use compare_tree_int.
11676 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
11677 (expand_expr, case ARRAY_REF): Use compare_tree_int.
11678 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
11679 (do_store_flag): Use compare_tree_int.
11680 * fold-const.c (encode, decode): Low part is always unsigned.
11681 (force_fit_type, add_double, neg_double, mul_double): Likewise.
11682 (lshift_double, rshift_double, lrotate_double): Likewise.
11683 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
11684 (fold_convert): Use compare_tree_int.
11685 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
11686 (invert_truthvalue, case INTEGER_CST): Likewise.
11687 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
11688 * mkdeps.c (deps_dummy_targets): Make I unsigned.
11689 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
11690 (lshift_double, rshift_double, lrotate_double, rrotate_double):
11692 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
11693 (expand_end_case): Use compare_tree_int.
11694 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
11695 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
11696 (layout_decl): Likewise.
11697 (layout_record, layout_union): Make sizes unsigned.
11698 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
11699 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
11700 * tree.c (struct type_hash): hashcode is unsigned.
11701 (build_type_attribute_variant, type_hash_list): Likewise.
11702 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
11703 (attribute_hash_list, build_array_type, build_method_type): Likewise.
11704 (build_complex_type): Likewise.
11705 (real_value_from_int_cst): Remove unneeded casts.
11706 (integer_all_onesp): Add casts.
11707 (tree_floor_log2, compare_tree_int): New functions.
11708 (build_index_type): Use tree_int_cst_sgn.
11709 * varasm.c (assemble_variable): Use compare_tree_int.
11711 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
11713 * cpphash.c (collect_expansion): Also catch ## at start of macro.
11715 * varasm.c (make_decl_rtl): Don't add a number to members of
11717 (make_function_rtl): Likewise.
11719 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11721 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
11722 patch from 2000-01-28.
11724 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
11726 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
11727 filled with an insn from the jump target.
11729 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11731 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
11732 (c4x_external_ref): Likewise.
11733 * config/c4x/c4x.c (struct name_list): Likewise.
11735 1999-12-16 Ben Collins <bcollins@debian.org>
11737 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
11738 argument to genmultilib.
11739 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
11740 the contents into the multilib.h header.
11741 * gcc.c: Declare multilib_exclusions for the specs file.
11742 (set_multilib_dir): Use it.
11743 (print_multilib_info): Likewise.
11744 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
11745 to pass to genmultilib.
11747 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11749 * builtins.c (built_in_class_names, built_in_names): Constify a
11752 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
11754 (_mcleanup): Ensure value matches format specifier in sprintf.
11756 * cpphash.c (special_symbol): Don't needlessly cast away
11759 * cppinit.c (base_name): Delete unused prototype.
11761 * mkdeps.c (deps_init): Make definition K&R safe.
11763 * tree.h (built_in_class_names, built_in_names): Constify a
11766 2000-03-06 Jakub Jelinek <jakub@redhat.com>
11768 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
11769 floating point instructions for epilogue delay.
11771 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
11772 to gas if it supports .register pseudo.
11774 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
11775 LONG_DOUBLE_TYPE_SIZE if not defined.
11776 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
11777 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
11778 * real.c: Likewise.
11779 * gengenrtl.c: Likewise.
11780 * print-rtl.c: Likewise.
11782 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
11783 MASK_LONG_DOUBLE_128.
11784 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
11785 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
11786 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
11787 (SUBTARGET_SWITCHES): Define.
11788 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
11789 with -mlong-double-128.
11790 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
11791 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
11792 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
11793 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
11794 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
11795 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
11796 with -mlong-double-128.
11797 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
11798 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
11799 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
11800 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
11801 TARGET_LONG_DOUBLE_128): Define.
11802 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
11803 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
11804 long double on TARGET_ARCH64.
11806 2000-03-06 Mark Mitchell <mark@codesourcery.com>
11808 * function.c (free_temps_for_rtl_expr): Don't free slots
11809 that have been pushed into a higher level.
11812 2000-03-05 Mark Mitchell <mark@codesourcery.com>
11814 2000-03-05 Mark Mitchell <mark@codesourcery.com>
11816 * basic-block.h (ALLOCA_REG_SET): Remove.
11817 (INITIALIZE_REG_SET): New macro.
11818 * flow.c (update_life_info): Use it.
11819 (calculate_global_regs_live): Likewise.
11820 (propagate_block): Likewise.
11821 * global.c (build_insn_chain): Likewise.
11822 * haifa-sched.c (schedule_region): Likewise.
11824 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
11826 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
11827 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
11828 (DWARF_ARANGES_PAD_SIZE): New define.
11829 (output_aranges): Use it to pad the address range header.
11830 (DWARF_ROUND): Fix for non power of 2 rounding.
11832 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
11834 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
11836 2000-03-05 Mark Mitchell <mark@codesourcery.com>
11838 * tree.def (RTL_EXPR): Update documentation.
11839 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
11840 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
11841 * function.c (preserve_rtl_expr_temp): New function.
11842 (preserve_rtl_expr_temps): Likewise.
11843 (preserve_rtl_expr_result): Use it.
11846 2000-03-04 Mark Mitchell <mark@codesourcery.com>
11848 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
11850 * regmove.c (copy_src_to_dest) Do not create src->dest move
11851 for unchanging destination.
11853 2000-03-04 Mark Mitchell <mark@codesourcery.com>
11855 * function.h (struct sequence_stack): Remove rtl_expr.
11856 (struct emit_staus): Likewise.
11857 (seq_rtl_expr): Remove.
11858 * tree.h (free_temps_for_rtl_expr): Don't declare.
11859 (start_sequence_for_rtl_expr): Likewise.
11860 * rtl.h (preserve_rtl_expr_result): Likewise.
11861 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
11862 (start_sequence_for_rtl_expr): Remove.
11863 (push_topmost_sequence): Don't save sequence_rtl_expr.
11864 (pop_topmost_sequence): Remove comment about not restoring it.
11865 (end_sequence): Don't set seq_rtl_expr.
11866 (init_emit): Don't initialize it.
11867 (mark_sequence_stack): Don't mark it.
11868 (mark_emit_status): Likewise.
11869 * except.c (protect_with_terminate): Use
11870 start_sequence_for_rtl_expr, not start_sequence.
11871 * expr.c (expand_expr, case RTL_EXPR): Don't call
11872 preserve_rtl_expr_result or free_temps_for_rtl_expr.
11873 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
11874 (preserve_rtl_expr_result): Remove.
11875 (free_temps_for_rtl_expr): Likewise.
11876 (pop_temp_slots): Likewise.
11877 (mark_temp_slot): Don't mark the rtl_expr.
11878 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
11879 start_sequence_for_rtl_expr.
11881 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
11883 * mkdeps.c, mkdeps.h: New files.
11884 * po/POTFILES.in: Add them.
11885 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
11886 (cpplib.o, cppinit.o): Depend on mkdeps.h.
11887 (mkdeps.o): New target.
11889 * cppfiles.c: Delete deps_output.
11890 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
11891 OBJECT_SUFFIX, and base_name.
11892 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
11894 (initialize_dependency_output): Use deps_init,
11895 deps_add_target, deps_calc_target, and deps_add_dep. Remove
11896 all the unnecessary string bashing.
11897 (cpp_finish): Use deps_write. Remove an unnecessary nesting
11899 * cpplib.c (do_include): Use deps_add_dep.
11900 * cpplib.h (struct cpp_reader): Replace deps_buffer,
11901 deps_allocated_size, deps_size, deps_column members with
11902 single pointer to a struct deps. Delete prototype of
11905 * cppinit.c: Fix thinko in previous patch.
11907 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11909 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
11910 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
11911 (mode_for_size_tree): New function.
11912 (layout_decl, layout_type): Call it and clean up BLKmode checks.
11913 * tree.h (mode_for_size_tree): New declaration.
11915 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
11917 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
11919 * stmt.c (is_body_block): Move...
11920 * dwarfout.c, dwarf2out.c: ...from here.
11921 * tree.h: Declare it.
11922 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
11923 * final.c (final_start_function): Do call remove_unnecessary_notes
11926 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
11928 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
11930 * cpplib.h (_dollar_ok): New macro.
11931 (is_idchar, is_idstart): Use it.
11932 (IStable): Rename to _cpp_IStable. Declare it const if
11933 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
11934 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
11935 is_space): Update for renamed IStable.
11937 * cppinit.c: Delete all references to FAKE_CONST and CAT
11938 macros. Define init_IStable as empty macro if gcc >=2.7 or
11939 C99. Change TABLE() to ISTABLE and hardcode name of table.
11940 (cpp_start_read): Don't change the IStable based on
11943 * cpphash.c (unsafe_chars): Add pfile argument. All callers
11944 changed. Handle '$' for char1 correctly.
11945 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
11947 * cppexp.c (tokentab2): Make const.
11948 (cpp_lex): Make toktab const.
11949 * cppinit.c (include_defaults_array): Make const.
11950 (initialize_standard_includes): Make default_include const.
11952 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
11954 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
11955 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
11956 (gen_decl_die): Likewise.
11957 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
11958 (output_decl): Likewise.
11960 * varasm.c (make_function_rtl): If we change the name used in the
11961 rtl, update DECL_ASSEMBLER_NAME accordingly.
11962 (make_decl_rtl): Likewise.
11964 * toplev.c (rest_of_compilation): Tweak formatting.
11966 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
11967 remove_unnecessary_notes.
11968 (debug_ignore_block): New fn.
11969 * toplev.h: Declare it.
11970 * emit-rtl.c (remove_unncessary_notes): Call it.
11971 * dwarf2out.c (dwarf2out_ignore_block): New fn.
11972 * dwarf2out.h: Declare it.
11973 * final.c (final_start_function): Don't call remove_unnecessary_notes
11974 if we did insn scheduling.
11976 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
11978 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
11979 * cpplib.h: Delete SET_CPP_PEDANTIC.
11981 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11983 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
11984 result is a RECORD_TYPE.
11986 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
11988 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
11990 2000-03-03 Richard Henderson <rth@cygnus.com>
11992 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
11993 addition over compliments over shifts.
11995 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11997 * reload1.c (reload_combine_note_use): Handle return register USEs.
11998 REG case: Handle multi-hard-register hard regs.
12000 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12002 * md.texi: Document use of '*' in insn pattern name.
12004 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
12006 * calls.c (special_function_p): operator new may not be malloc-like.
12008 * gcse.c (dump_hash_table): Really fix error in last change.
12010 2000-03-02 Denis Chertykov <denisc@overta.ru>
12012 * avr.c (print_operand): Use print_operand_address instead of
12014 * avr/libgcc.S: Cleanup code.
12016 2000-03-02 Richard Henderson <rth@cygnus.com>
12018 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
12020 2000-03-02 Mark Mitchell <mark@codesourcery.com>
12022 * tree.h (TYPE_ALIGN_UNIT): New macro.
12024 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
12026 * i386.c: (constant_call_address_operand): Reject CONST_INT.
12028 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
12030 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
12032 (SET_CPP_PEDANTIC): New macro.
12033 * cpplib.c (do_include): Don't bother checking system_header_p.
12034 (do_warning, do_ident, do_assert, do_unassert): Likewise.
12035 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
12037 * function.h (struct expr_status): Add x_arg_space_so_far.
12038 (arg_space_so_far): New macro.
12039 * expr.c (init_expr): Initialize it.
12040 * calls.c (emit_call_1): Reset it.
12041 (compute_argument_block_size, expand_call): Use it.
12042 (expand_call, store_one_arg): Increment it.
12044 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12046 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
12049 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
12051 * cppfiles.c (cpp_read_file): New function.
12053 * cpphash.c (collect_expansion): Make sure to reset last_token
12054 to NORM when we hit a string. Handle trailing whitespace
12055 properly when the expansion is empty.
12056 (create_definition): Disable line commands while parsing the
12058 (dump_definition): If pfile->lineno == 0, output a line
12059 command ahead of the dump, and add a trailing newline.
12061 * cppinit.c (append_include_chain): Add fifth argument, which
12062 indicates whether or not system headers are C++ aware.
12063 (initialize_standard_includes): New function,
12064 broken out of read_and_prescan. Pass 'cxx_aware' value from
12065 the include_defaults_array on to append_include_chain.
12066 (dump_special_to_buffer): Const-ify char array.
12067 (builtin_array): Don't dump __BASE_FILE__.
12068 (cpp_start_read): Use cpp_read_file. Reorder code for
12069 clarity. Don't output line commands here for -D/-A/-U
12070 switches. Don't call deps_output for files included with
12071 -include or -imacros.
12073 * cpplib.c (do_define): Don't pay any attention to the second
12075 (cpp_expand_to_buffer): Disable line commands while scanning.
12076 (output_line_command): Work in the file buffer.
12077 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
12078 Fix formatting of comments. Prototype cpp_read_file.
12080 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12082 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
12083 reference the language-equivalent of sizetype.
12084 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
12085 * fold-const.c (size_binop, size_diffop): Put back checks.
12086 * gcse.c (dump_hash_table): Fix minor error in last change.
12087 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
12088 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
12091 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
12093 * calls.c (expand_call) Do not attempt to combine stack adjustments
12094 with inhibit_defer_pop set.
12096 2000-03-01 Mark Mitchell <mark@codesourcery.com>
12098 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
12099 the DECL_SIZE for a FIELD_DECL.
12101 2000-03-01 Bruce Korb <bkorb@gnu.org>
12103 * fixinc/inclhack.tpl: remove unused symlinks
12104 * fixinc/README: GCC Maintainer info
12105 * fixinc/inclhack.sh: regen
12106 * fixinc/fixincl.sh: regen
12108 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
12110 * cpphash.c (collect_expansion): Trim trailing white space
12111 from macro definitions, but don't go past the last insertion
12114 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
12116 * i386.md (mulqi3): New pattern.
12118 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
12120 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
12122 (struct cpp_reader): Add parsing_if_directive and
12123 parsing_define_directive flags.
12124 (struct cpp_options): Remove output_conditionals flag.
12125 (check_macro_name): Delete prototype.
12127 * cpphash.h (struct macrodef): Delete.
12128 (struct reflist): Separate from struct definition.
12129 (struct definition): Remove unused fields. Add column number.
12130 (create_definition): Returns a DEFINITION *. Takes a
12131 cpp_reader * and an int.
12133 * cpphash.c (SKIP_WHITE_SPACE): Delete.
12134 (PEEKC): Copy defn from cpplib.c.
12135 (rest_extension, REST_EXTENSION_LENGTH): Delete.
12137 (struct arglist): Simplify.
12138 (collect_expansion): Rewrite. Get tokens by calling
12139 cpp_get_token. Add more error checking.
12140 (collect_formal_parameters): New function, broken out of
12141 create_definition and reworked to use get_directive_token.
12142 (create_definition): All real work is now in collect_expansion
12143 and collect_formal_parameters. do_define handles finding the
12144 macro name. Return a DEFINITION, not a MACRODEF.
12145 (macroexpand): Replace bcopy with memcpy throughout. Replace
12146 character-at-a-time copy loop with memcpy and pointer increments.
12147 (compare-defs): d1->argnames / d2->argnames might be null.
12149 * cpplib.c (copy_rest_of_line): Delete function.
12150 (skip_rest_of_line): Do all the work ourselves.
12151 (skip_string): New function.
12152 (parse_string): Use skip_string.
12153 (get_macro_name): New function.
12154 (check_macro_name): Delete.
12155 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
12156 (cpp_skip_hspace): Use CPP_BUMP_LINE.
12157 (handle_directive): ICE if we're called on a macro buffer.
12158 (do_define): Determine macro name and type (funlike/objlike)
12159 here. Expunge all uses of MACRODEF.
12160 (cpp_push_buffer): Set line_base to NULL.
12161 (do_undef, read_line_number): Don't worry about getting a POP token.
12162 (eval_if_expression): Set/reset parsing_if_directive around
12163 cpp_parse_expr. Don't clear only_seen_white.
12164 (skip_if_group): Remove output_conditionals logic. Use
12166 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
12167 tokens under appropriate conditions.
12168 (cpp_unassert): Call do_unassert not do_assert. Oops.
12170 * cppexp.c (parse_defined): New function, break out of
12172 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
12173 ourselves, with cpp_defined.
12174 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
12176 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
12177 * gcc.dg/strpaste-2.c: New.
12179 2000-02-29 Mark Mitchell <mark@codesourcery.com>
12181 * fold-const.c (size_binop): Don't asert inputs are the same and
12182 have TYPE_IS_SIZETYPE set.
12183 (size_diffop): Likewise.
12185 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
12187 * dwarfout.c (output_block): Output abstract blocks even if they
12188 don't have TREE_ASM_WRITTEN set.
12190 * calls.c (emit_library_call): Check for null REG.
12192 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
12194 * c-decl.c (current_function_decl): Move to toplev.c.
12195 (init_decl_processing): Don't add current_function_decl as a ggc
12197 * dbxout.c (dbxout_symbol): Change return type to int.
12198 (dbxout_symbol_location, dbxout_syms): Likewise.
12199 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
12200 any locals. Use current_function_func_begin_label if set.
12201 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
12202 * dwarf2out.c (dwarf2out_begin_prologue): Set
12203 current_function_func_begin_label.
12204 * final.c (final_start_function): Reset it.
12205 * toplev.c (current_function_decl): Define it here.
12206 (current_function_func_begin_label): New variable.
12207 (main): Add both as ggc roots.
12208 * tree.h (current_function_func_begin_label): Declare.
12210 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12212 * gcse.c: Cleanups throughout: mostly white-space, but also
12213 some minor rearrangement of code.
12215 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
12217 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
12218 returns a PARALLEL. Use emit_group_load and use_group_regs
12220 (emit_library_call_value): Similarly.
12222 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
12223 * pa/quadlib.asm: Remove.
12224 * pa/quadlib.c: New file.
12226 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
12227 * configure: Rebuilt.
12229 2000-02-29 Philip Blundell <pb@futuretv.com>
12231 * config/arm/conix-elf.h: New file.
12232 * configure.in (arm*-*-conix*): New configuration.
12233 * configure: Regenerate.
12235 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
12237 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
12238 don't have TREE_ASM_WRITTEN set.
12240 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12242 * Eliminate DECL_FIELD_SIZE.
12243 * builtins.c (built_in_class_names, built_in_names): New variables.
12244 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
12245 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
12246 DECL_SIZE, not DECL_FIELD_SIZE.
12247 * print-tree.c (print_node): Remove code that prints extra blank
12248 lines in some cases.
12249 Properly handle inline and builtin function cases.
12250 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
12251 * tree.h (built_in_class_named, built_in_names): New declarations.
12252 (union tree_decl): Rename internal unions to u1 and u2 and change
12253 some of their components.
12254 Add new field built_in_class.
12255 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
12256 Reflect above changes.
12257 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
12258 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
12259 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
12260 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
12262 2000-02-28 Dmitri Makarov <dim@windriver.com>
12264 * extend.texi: Document ARM's support for long/short calls.
12266 * invoke.texi: Document ARM's -mlong-calls command line switch.
12268 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
12269 (arm_encode_call_attribute): Add prototype.
12270 (arm_set_default_type_attribute): Add prototype.
12271 (arm_strip_name_encoding): Add prototype.
12273 * config/arm/arm.c (arm_init_cumulative_args): replace
12274 initialisation og 'long_calls' field with initialisation of
12275 'call_cookie' field.
12276 (enum arm_pragma_enum): New enum.
12277 (arm_pragma_long_calls): New static variable.
12278 (arm_process_pragma): Also process "#pragma long_calls_off".
12279 (arm_valid_type_attribute_p): Accept short_call attribute.
12280 (arm_comp_type_attributes): Check long/short call attributes.
12281 (arm_encode_call_attribute): New function: Encode long_call
12282 or short_call attribute in function name.
12283 (arm_set_default_type_attributes): New function: Assign
12284 default attributes to newly defined type.
12285 (current_file_function_operand): New function: Return true if
12286 the symbol is a function which has already been compiled.
12287 (arm_is_longcall_p): New function: Return true if the
12288 indicated function should be called via a long call.
12289 (arm_get_strip_length): New function. Returns number of
12290 prefix characters to be stripped from a function's name.
12291 (arm_strip_name_encoding): New function. Strip prefix characters
12292 from a function's name.
12294 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
12295 with 'call_cookie'.
12296 (SHORT_CALL_FAG_CHAR): Define.
12297 (LONG_CALL_FAG_CHAR): Define.
12298 (ENCODED_SHORT_CALL_ATTR_P): Define.
12299 (ENCODED_LONG_CALL_ATTR_P): Define.
12300 (ARM_NAME_ENCODING_LENGTHS): Define.
12301 (STRIP_NAME_ENCODING): Define.
12302 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
12303 (ARM_ENCODE_CALL_TYPE): Define.
12304 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
12305 (ARM_DECLARE_FUNCTION_SIZE): Define.
12306 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
12308 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
12309 if a long call is needed.
12310 (call_value): Ditto.
12311 (call_symbol): Ditto.
12313 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
12314 ARM_DECLARE_FUNCTION_SIZE.
12316 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
12317 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
12318 (ARM_STRIP_NAME_ENCODING): Undefine.
12319 (STRIP_NAME_ENCODING): Undefine.
12320 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
12321 (ASM_DECLARE_FUNCTION_NAME): Ditto.
12322 (ASM_OUTPUT_COMMON): Ditto.
12323 (ASM_DECLARE_OBJECT_NAME): Ditto.
12325 * config/arm/pe.c (arm_dllexport_name_p): Check for
12327 (arm_dllimport_name_p): Ditto.
12328 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
12329 (arm_mark_dllimport): Ditto.
12331 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12333 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
12335 2000-02-28 Mark Mitchell <mark@codesourcery.com>
12337 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
12339 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
12341 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
12342 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
12343 NO_BUILTIN_WCHAR_TYPE is not defined.
12344 (CPP_WCHAR_TYPE): Delete.
12345 * cccp.c (main): Don't change wchar_type if cplusplus.
12346 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
12348 2000-02-28 Nick Clifton <nickc@cygnus.com>
12350 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
12352 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
12354 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
12355 (ASM_WEAKEN_LABEL): Define.
12357 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
12359 * expr.c (store_constructor): Do not emit USE.
12360 * rtl.h (stupid_life_analysis): Remove.
12362 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12364 * function.c (number_blocks): Reset next_block_index based on
12365 what debugging format is used, not what is defined.
12367 * lcm.c: Minor reformatting throughout.
12368 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
12370 * toplev.c (rest_of_compilation): Account for time in
12371 optimize_mode_switching.
12373 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
12374 if only marking labels.
12376 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
12378 * calls.c (expand_call): Attempt to combine stack adjustments with
12379 pending stack adjustments.
12381 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12383 * loop.c (reg_in_basic_block_p): Don't abort when falling through
12384 to the end of the function.
12386 2000-02-27 Mark Mitchell <mark@codesourcery.com>
12388 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
12390 * final.c (next_block_index): Remove.
12391 (max_block_depth): Likewise.
12392 (pending_blocks): Likewise.
12393 (init_final): Don't initialize them.
12394 (final_start_function): Don't set next_block_index. Set up
12396 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
12397 * function.h (number_blocks): New function.
12398 * function.c (get_block_vector): New function.
12399 (identify_blocks): Use it.
12400 (reorder_blocks): Set NOTE_BLOCK.
12401 (number_blocks): New function.
12402 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
12403 * tree.h (BLOCK_NUMBER): New macro.
12404 (tree_block): Add block_num field.
12405 * dbxout.c (next_block_number): Remove.
12406 (dbxout_init): Don't set it.
12407 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
12408 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
12410 * toplev.c (rest_of_compilation): Always call
12411 find_loop_tree_blocks. Fix indentation.
12412 * dwarf2out.c (next_block_number): Remove.
12413 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
12414 to determine block numbers.
12415 (gen_inlined_subroutine_die): Likewise.
12416 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
12417 (decls_for_scope): Don't increment next_block_number.
12418 * dwarfout.c (next_block_number): Remove.
12419 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
12420 to determine block numbers.
12421 (output_inlined_subroutine_die): Likewise.
12422 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
12423 (output_decls_for_scope): Don't increment next_block_number.
12424 * sdbout.c (next_block_number): Remove.
12425 (sdbout_block): Use BLOCK_NUMBER.
12426 (sdbout_begin_block): Simplify.
12427 * xcoffout.c (next_block_number): Remove.
12428 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
12429 (xcoffout_begin_block): Don't set next_block_number.
12430 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
12433 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12435 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
12436 (expand_builtin_strcpy): Pass correct type to size_binop.
12437 (expand_builtin_strcmp): Likewise.
12438 Clean up conditional structure.
12439 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
12440 (complete_array_type): Don't use size_binop for MAXINDEX.
12441 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
12442 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
12443 (c_alignof): Use size_one_node.
12444 (build_unary_op): Pass arg of proper type to size_binop.
12445 (really_start_incremental_init, push_init_level): Use sizetype for
12446 constructor{,_bit,_unfilled}_index.
12447 (pop_init_label, output_init_element): Likewise.
12448 (output_pending_init_elements, process_init_element): Likewise.
12449 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
12450 * expr.c (store_expr): Use size_int.
12451 (store_constructor): Use proper types for size_binop args.
12452 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
12453 (expand_expr_unaligned): Likewise.
12454 (string_contant): Return object of sizetype.
12455 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
12456 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
12457 (ARGS_SIZE_TREE): Pass proper types to size_binop.
12458 * fold-const.c (int_const_binop): Refine when size_int is called.
12459 (fold_convert): Likewise.
12460 (size_int_wide): Rework to take KIND as arg, only take low order
12461 bits, handle new sizetype_tab datatype, and chain entries in
12463 (size_int_type_wide): New function.
12464 (size_binop): Validate types of arguments.
12465 (ssize_binop): Deleted.
12466 (size_diffop): New function.
12467 (extract_muldiv): Only fold division into multiplication for sizetypes.
12468 * function.c (assign_parms): Use size_diffop and make sure
12469 VAR field is of ssizetype; also pass proper type to size_binop.
12470 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
12471 (round_down): Deleted from here.
12472 * store-layout.c (sizetype_tab): Now an array.
12473 (sizetype_set, early_root_list): New variables.
12474 (variable_size): Use size_one_node.
12475 (round_up): Pass proper type to size_binop.
12476 (round_down): Moved to here and corrected as above.
12477 (layout_record): Pass proper arg types to size_binop.
12478 (layout_type): Likewise.
12479 If sizetype_set is zero, record the type just laid out.
12480 (make_unsigned_type): Don't call set_sizetype;
12481 (make_signed_type): Likewise; also, call fixup_signed_type.
12482 (initialize_sizetypes): New function.
12483 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
12484 set name of bitsizetype to "bit_size_type".
12485 Fix up type of sizes of all types made before call.
12486 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
12487 * tree.c (fix_sizetype): Deleted.
12488 (build_common_tree_nodes): Call initialize_sizetypes.
12489 (build_common_tree_nodes_2): Don't call fix_sizetype.
12490 * tree.h (TYPE_IS_SIZETYPE): New macro.
12491 (initialize_sizetype): New declaration.
12492 (enum size_type_kind): New type.
12493 (struct sizetype_tab): Deleted.
12494 (sizetype_tab): Now array; adjust sizetype macros.
12495 (size_diffop, size_int_type_wide): New functions.
12496 (size_int_wide): Change number of args and type; access macros changed.
12497 (ssize_int, sbitsize_int): New macros.
12498 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
12499 (ROUND_TYPE_SIZE_UNIT): New macro.
12501 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
12503 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
12505 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12507 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
12508 Mark as possibly unused.
12510 * cse.c (cse_insn): Delete dead code involving tablejump.
12511 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
12513 * Makefile.in (libcpp.a): Start by deleting it.
12515 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12517 * cpplib.h (enum file_change_code): Added rename_file.
12518 * cpplib.c (do_line): If a filename is given, set file_change to
12520 (output_line_command): If file_change is rename_file, always
12521 output a # directive with the file name.
12523 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
12525 2000-02-26 Mark Mitchell <mark@codesourcery.com>
12527 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
12528 when copying a PARM_DECL or RESULT_DECL.
12530 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12532 * fix-header.c (recognized_function): Also fix prototypes for
12533 functions taking "void".
12535 2000-02-26 Geoff Keating <geoffk@cygnus.com>
12537 * reload1.c (do_output_reload): Check reg_reloaded_valid before
12538 looking at reg_reloaded_contents.
12540 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
12542 * Makefile.in (STMP_FIXINC): New toggle.
12543 (LIBGCC2_DEPS): Delete all references.
12544 (stmp-headers): Delete target. All references either deleted
12545 or changed to stmp-int-headers.
12546 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
12547 (LIBCPP_OBJS): Take out cppalloc.o.
12548 (cppalloc.o): Delete target.
12549 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
12550 (gen-protos, fix-header): Link with libiberty.a.
12551 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
12554 * configure.in: Remove refs to strerror.
12555 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
12556 * system.h: Take out strerror stanza.
12558 * cpperror.c (my_strerror): Delete function.
12559 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
12560 * cppmain.c (main): Call xmalloc_set_program_name first thing.
12561 * cppalloc.c: Delete file.
12562 * gen-protos.c: Don't provide xrealloc.
12564 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
12565 xstrerror throughout.
12567 2000-02-26 Bruce Korb <bkorb@gnu.org>
12569 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
12570 match for DOS headers, too.
12571 * fixinc/inclhack.sh,fixincl.x: Regenerate.
12573 2000-02-26 Geoff Keating <geoffk@cygnus.com>
12575 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
12576 is right for most ELF targets.
12577 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
12578 Let the default file use %U properly.
12579 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
12582 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
12585 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12587 * toplev.c (documented_lang_options): Correct spelling error.
12588 (decode_d_option, decode_f_option, main): Likewise.
12590 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
12592 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
12593 to tell assembler it is permitted to expand large constants.
12595 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
12597 * protoize.c: (AUX_INFO_SUFFIX): New macro.
12598 (aux_info_suffix): Use.
12599 (SAVE_SUFFIX): New macro.
12600 (save_suffix): Use.
12601 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
12602 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
12603 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
12605 * invoke.texi (Running Protoize): Update documentation.
12607 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
12609 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
12611 2000-02-25 John Wehle (john@feith.com)
12613 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
12615 2000-02-25 Anthony Green <green@cygnus.com>
12617 * toplev.c (rest_of_compilation): Rebuild jump labels if
12618 combine_instructions has created a new direct jump.
12619 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
12621 (combine_instructions): Call try_combine with new argument.
12622 Return non-null value when new direct jump instruction is created.
12623 * rtl.h: combine_instructions returns an int.
12625 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
12627 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
12628 jump when changing a computed jump into a jump to a known
12631 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
12633 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
12634 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
12636 * i386.md (define_expand "clrstrsi"): Fix typo.
12638 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
12640 * rtl.texi: Fix typo.
12642 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12644 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
12645 UNITS_PER_WORD. Change caller initial_elimination_offset.
12646 (rounded_frame_size): Take into account that argument pushed has
12647 changed. Fix TARGET_ALIGN_DOUBLE problem.
12649 2000-02-25 Geoff Keating <geoffk@cygnus.com>
12651 * haifa-sched.c (schedule_block): Explain the real reason
12652 we delete REG_SAVE_NOTEs on the first insn of a block.
12653 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
12655 2000-02-24 Mark Mitchell <mark@codesourcery.com>
12657 * input.h (push_srcloc): New function.
12658 (pop_srcloc): Likewise.
12659 * toplev.c (push_srcloc): Define it.
12660 (pop_srcloc): Likewise.
12662 2000-02-24 Richard Henderson <rth@cygnus.com>
12664 * flow.c (life_analysis): When collecting reg info, clear
12667 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12669 Fix bug exposed by reload.c no longer rounding the frame
12670 size to BIGGEST_ALIGNMENT:
12671 * sh.c (rounded_frame_size): New function.
12672 (sh_expand_prologue, sh_expand_epilogue): Use it.
12673 (initial_elimination_offset): Likewise.
12675 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12677 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
12678 * sh-protos.h (sh_need_epilogue): Declare.
12679 * sh.c (sh_need_epilogue_known): New static variable.
12680 (sh_need_epilogue): New function.
12681 (function_epilogue): Clear need_epilogue_known.
12682 * sh.md (return): Split into expander / insn pattern.
12683 Make the expander conditional on ! sh_need_epilogue ().
12685 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
12687 * machmode.h (get_mode_alignment): Declare.
12688 (GET_MODE_ALIGNMENT): Call it.
12689 * stor-layout.c (get_mode_alignment): New function. Make
12690 sure alignment is always power of 2.
12692 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
12694 * i386.h: Remove useless definition of "I386" and misleading
12697 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
12699 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
12700 under which TREE_PERMANENT will be set.
12701 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
12702 build1): Use TREE_SET_PERMANENT.
12703 * print-tree.c (print_node): Don't report value of
12704 TREE_PERMANENT if ggc_p is true.
12706 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
12707 decide whether to give a type a new alias set.
12708 * objc/objc-act.c (build_objc_string_object): Never copy the string.
12709 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
12710 of value of 'obstack'.
12713 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12715 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
12717 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12719 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
12720 * cpplib.c (cpp_get_token): Produce them.
12721 * cppexp.c (cpp_lex): Handle them.
12723 2000-02-23 Nick Clifton <nickc@cygnus.com>
12725 * config/arm/arm.c (arm_comp_type_attributes): Simply and
12726 comment tests on type attributes.
12728 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12730 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
12731 conform to documentation.
12732 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
12733 to check for special cases.
12734 * sh-protos.h (sh_loop_align): Declare.
12735 * sh.c (sh_loop_align): Define.
12737 2000-02-22 Andrew Haley <aph@cygnus.com>
12739 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
12740 (SIZE_TYPE): Is 32 bits when using -mgp32.
12741 (PTRDIFF_TYPE): Ditto.
12743 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12745 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
12747 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
12749 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
12750 BIGGEST_FIELD_ALIGNMENT a constant.
12752 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
12754 * dwarf2out.c (output_line_info): Put the marker for the end of
12755 the line number info at the actual end.
12756 (gen_struct_or_union_type_die): Use decl_function_context
12757 to check for local classes.
12758 * dwarfout.c (output_type): Likewise.
12760 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
12762 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
12763 for arguments with a mode, but no type.
12764 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
12765 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
12766 * pa/long_double.h: New file.
12767 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
12768 both have 128bit wide long doubles.
12769 * configure: Rebuilt.
12771 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12773 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
12775 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
12776 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
12777 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
12779 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
12781 * integrate.c (compare_blocks, find_block): Likewise.
12783 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
12785 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
12787 * stmt.c (stmt_status, set_file_and_line_for_stmt,
12788 expand_asm_operands): Likewise.
12790 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
12792 * predict.c (estimate_probability): Added the pointer heuristic to
12793 the collection of static branch predictors.
12795 2000-02-21 Catherine Moore <clm@cygnus.com>
12797 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
12798 * invoke.texi (-mfix7000): Document.
12800 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
12802 * diagnostic.c (init_output_buffer): Make it possible to output at
12803 least 32 characters if we're given a too long prefix.
12805 2000-02-20 Mark Mitchell <mark@codesourcery.com>
12807 * varasm.c (initializer_constant_valid_p): Call
12808 lang_expand_constant to simplify the constant.
12810 2000-02-20 Bruce Korb <bkorb@gnu.org>
12812 * fixinc/inclhack.def(stdio_va_list):
12813 typedef needs to be disabled.
12814 * fixinc/inclhack.sh: regen
12815 * fixinc/fixincl.x: regen
12817 2000-02-20 Geoff Keating <geoffk@cygnus.com>
12819 * print-rtl.c (print_rtx): Don't print addresses when
12820 flag_dump_unnumbered.
12822 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12824 * sparc.c (sparc_output_scratch_registers): Mark parameter with
12826 (sparc_va_arg, sparc_flat_output_function_prologue,
12827 sparc_flat_output_function_epilogue): Cast value to unsigned in
12829 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
12831 * sparc.md: Add default case in switch.
12833 2000-02-19 Richard Henderson <rth@cygnus.com>
12835 * c-typeck.c (add_pending_init): Don't abort for multiple
12836 fields at the same offset.
12837 (pending_init_member): Test the correct member.
12839 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12841 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
12843 (start_catch_handler) : Same.
12845 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
12847 * Makefile.in: Have flow.o depend on $(EXPR_H)
12849 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12851 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
12852 * c-decl.c (duplicate_decls, finish_enum): Likewise.
12853 (finish_decl): Remove -Wlarger-than code from here.
12854 * flags.h (id_clash_len): Now int.
12855 (larger_than_size): Now HOST_WIDE_INT.
12856 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
12857 Clean up checking to see if in table.
12858 (make_bit_field_ref): Remove extra parm to bitsize_int.
12859 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
12860 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
12861 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
12862 and for computing size of decl.
12863 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
12864 Move -Wlarger-than code to here.
12865 (layout_record): Remove extra arg to bitsize_int.
12866 Set TYPE_BINFO_SIZE_UNIT.
12867 (layout_union): Remove extra arg to bitsize_int.
12868 Use proper type for size of QUAL_UNION.
12869 (layout_type): Remove extra arg to bitsize_int.
12870 * toplev.c (id_clash_len): Now int.
12871 (larger_than_size): Now HOST_WIDE_INT.
12872 (decode_W_option): Clean up id-clash and larger-than- cases.
12873 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
12874 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
12875 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
12876 (struct tree_decl): New field size_unit.
12877 (size_int_wide): No HIGH operand; NUMBER is now signed.
12878 (size_int_2): Deleted.
12879 (size_int, bitsize_int): Don't use it and rework args.
12880 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
12882 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
12884 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
12886 2000-02-18 Geoff Keating <geoffk@cygnus.com>
12888 * invoke.texi (Warning Options): Add an explanation of why
12889 you might want the -Wfloat-equal flag.
12891 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12893 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
12894 * cppinit.c (new_pending_define): Add cast to avoid warning.
12895 * expmed.c (extract_bit_field): Likewise.
12896 * flow.c (enum reorder_skip_type): New type.
12897 (skip_insns_between_blcok): New it.
12898 Rework to avoid warning about possibly undefined variable.
12899 * function.c (assign_parms): Make thisparm_boundary unsigned.
12900 * genrecog.c (write_switch): Cast XWINT result to int.
12901 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
12902 * mips-tfile.c (init_file): Make two versions of FDR intializer:
12903 one for MIPS and one for Alpha.
12904 (get_tag, copy_object): Add casts to avoid warnings.
12905 * optabs.c (init_one_libfunc): Cast NAME to (char *).
12906 * reload.c (find_reloads): Make TYPE enum reload_type.
12907 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
12908 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
12909 * varasm.c (compare_constant_1): Add cast to avoid warning.
12910 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
12912 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
12913 Cast switch operand of size to int.
12914 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
12915 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
12918 2000-02-18 Nick Clifton <nickc@cygnus.com>
12920 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
12921 anything for an alignment of zero.
12923 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
12924 anything for an alignment of zero.
12926 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
12928 * gcc.texi (Bug Reporting): Refer to bugs.html.
12929 (Bug Lists): Likewise.
12930 * system.h (GCCBUGURL): New preprocessor define.
12931 * rtl.c (fancy_abort): Use it.
12932 * gcc.c (main): Likewise.
12934 2000-02-18 Richard Henderson <rth@cygnus.com>
12936 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
12937 (life_analysis_1): Subsume into ...
12938 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
12939 Use update_life_info for the relaxation.
12940 (update_life_info): Update REG_BASIC_BLOCK for registers live on
12941 entry and regs_live_at_setjmp.
12942 (set_noop_p): Simplify.
12943 (notice_stack_pointer_modification_1): Renamed from s/_1//.
12944 (record_volatile_insns): Split into ...
12945 (delete_noop_moves): ... here,
12946 (notice_stack_pointer_modification): ... here,
12947 (insn_dead_p): ... and here.
12948 (propagate_block): Don't query INSN_VOLATILE.
12949 (mark_used_regs): Mind !PROP_REG_INFO.
12950 * toplev.c (rest_of_compilation): Call mark_constant_function here,
12951 not in life_analysis.
12953 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
12955 * loop.c (canonicalize_condition): New function,
12956 broken out of get_condition.
12957 (get_condition): Use it.
12958 * expr.h (canonicalize_condition): Prototype it.
12960 * tree.h (tree_int_cst_msb): Declare.
12961 * tree.c (tree_int_cst_msb): New function.
12963 2000-02-17 Mark Mitchell <mark@codesourcery.com>
12965 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
12968 * invoke.texi (-fmessage-length=n): Document.
12970 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
12972 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
12974 2000-02-17 Mark Mitchell <mark@codesourcery.com>
12976 * function.c (thread_prologue_and_epilogue_insns): Put a line note
12977 after the prologue.
12979 2000-02-17 Nick Clifton <nickc@cygnus.com>
12981 * config/arm/thumb.c: Replace includes of system headers with
12982 #include "system.h".
12984 2000-02-16 Richard Henderson <rth@cygnus.com>
12986 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
12987 Add crtbeginS.o and crtendS.o.
12988 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
12989 (ENDFILE_SPEC): Use crtendS.o.
12990 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
12992 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
12993 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
12994 shared and present.
12995 (__dso_handle): New variable.
12996 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
12997 bias to __CTOR_END__.
12999 2000-02-16 Richard Henderson <rth@cygnus.com>
13001 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
13003 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
13005 * longlong.h (__clz_tab): Declare as static to match definition.
13007 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
13009 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
13010 (XREF_FILE_NAME): Define.
13012 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
13013 (EH_FRAME_SECTION_ASM_OP): Define.
13014 (IDENT_ASM_OP): Define.
13015 (TEXT_SECTION_ASM_OP): Define.
13016 (CPP_SPEC): Define.
13017 (CTORS_SECTION_ASM_OP): Define.
13018 (CTOR_SECTION_FUNCTION): Use it.
13019 (DTORS_SECTION_ASM_OP): Define.
13020 (DTOR_SECTION_FUNCTION): Use it.
13022 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
13024 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
13027 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
13028 debug_bb_n): New functions.
13029 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
13030 * basic-block.h: Prototype new functions.
13032 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
13034 * configure.in: Add support for avr target.
13035 * configure: Rebuilt.
13037 * invoke.texi: Add AVR invocation docs.
13038 * install.texi: Add information about AVR.
13039 * md.texi: Add AVR constraint letters description.
13040 * extend.texi: Add description for AVR specific attributes.
13042 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
13044 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
13046 2000-02-16 Nick Clifton <nickc@cygnus.com>
13048 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
13049 (make_insn_raw): Move RTL check here.
13051 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13053 * version.c: Include gansidecl.h and version.h.
13055 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
13057 * configure.in (gcc_version): When setting, narrow search to
13058 lines containing `version_string'.
13060 * Makefile.in (mainversion): Likewise.
13061 (GCC_H): New variable.
13062 (gcc.h): Delete target.
13063 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
13064 (version.o): Depend on version.h.
13065 (dbxout.o): Don't depend on gcc.h.
13067 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
13068 Michael Meissner <meissner@cygnus.com>
13070 * md.texi (Simple Constraints): Add item about whitespace.
13071 * genoutput.c (strip_whitespace): New.
13072 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
13073 strip_whitespace for constraints.
13074 Test pointer using NULL, not 0.
13076 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13078 * cpplib.c (do_line): Pedwarn for #line > 32767.
13080 * c-lex.c (readescape): Warn about '\x', but do not reject it.
13082 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
13084 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
13085 to default cpp spec.
13086 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
13087 * cpp.texi: Document __GNUC_PATCHLEVEL__.
13090 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
13093 2000-02-15 Denis Chertykov <denisc@overta.ru>
13095 * configure.in: Add support for avr target.
13097 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13099 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
13100 (sh_addr_diff_vec_mode): Don't declare.
13101 * sh.c (sh_addr_diff_vec_mode): Delete.
13103 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13105 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
13107 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13109 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
13110 (smulsi3_highpart_i): Name.
13111 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
13112 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
13113 (smulsi3_highpart, umulsi3_highpart): Likewise.
13115 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
13116 correctly independent of endianness.
13117 (mulsidi3, umulsidi3): Now define_insn. Hide details that
13118 confuse the optimizers.
13119 (mulsidi3+1, umulsidi3+1): New define_split.
13121 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
13123 * config/sh/sh.md: Guard insn splits against illegal registers.
13124 * config/sh/sh.h: Correct comment about macros.
13126 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13127 Andrew MacLeod <amacleod@cygnus.com>
13129 * Makefile.in (lcm.o): Depend on insn-attr.h.
13130 * basic-block.h (optimize_mode_switching): Declare.
13131 * lcm.c (tm_p.h, insn-attr.h): #include.
13132 (seginfo, bb_info): New structs.
13133 (antic, transp, comp, delete, insert) : New file-scope static variables.
13134 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
13135 (reg_becomes_live, optimize_mode_switching): Likewise.
13136 * tm.texi: Add description of mode switching macros.
13137 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
13139 * sh-protos.h (remove_dead_before_cse): Remove prototype.
13140 (fldi_ok, fpscr_set_from_mem): New prototypes.
13141 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
13142 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
13143 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
13144 (sh_flag_remove_dead_before_cse): Remove declaration.
13145 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
13146 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
13147 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
13148 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
13149 (barrier_align): Allow for JUMP_INSNS containing a parallel.
13150 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
13151 (fldi_ok): New function.
13152 (get_fpscr_rtx): Add fpscr_rtx as GC root.
13153 (emit_sf_insn): Only generate fpu switches when optimize < 1.
13154 (emit_df_insn): Likewise.
13155 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
13156 (sh_flag_remove_dead_before_cse): Delete.
13157 (get_free_reg, fpscr_set_from_mem): New functions.
13158 * sh.md (movdf, movsf): Remove no_new_pseudos code.
13159 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
13161 2000-02-15 Loren Rittle <ljrittle@acm.org>
13163 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
13165 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13167 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
13168 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
13170 * cccp.c: Include version.h and/or don't declare `version_string'.
13171 * collect2.c: Likewise.
13172 * alpha.c: Likewise.
13173 * arm/aof.h: Likewise.
13174 * arm/coff.h: Likewise.
13175 * arm/elf.h: Likewise.
13176 * arm/pe.h: Likewise.
13177 * arm/tcoff.h: Likewise.
13178 * arm/telf.h: Likewise.
13179 * arm/tpe.h: Likewise.
13180 * arm/vxarm.h: Likewise.
13181 * convex/convex.c: Likewise.
13182 * i386/dgux.c: Likewise.
13183 * i386/sun386.h: Likewise.
13184 * m88k/m88k.c: Likewise.
13185 * mcore/mcore-pe.h: Likewise.
13186 * mips/mips.h: Likewise.
13187 * romp/romp.h: Likewise.
13188 * sh/sh.c: Likewise.
13189 * cpphash.c: Likewise.
13190 * cppinit.c: Likewise.
13191 * dwarf2out.c: Likewise.
13192 * dwarfout.c: Likewise.
13195 * mips-tfile.c: Likewise.
13196 * protoize.c: Likewise.
13197 * toplev.c: Likewise.
13198 * tree.h: Likewise.
13200 * version.c (version_string): Constify a char*.
13202 * version.h: New file.
13204 2000-02-14 Nick Clifton <nickc@cygnus.com>
13206 * configure.in: Add mcore-elf and mcore-pe targets.
13207 * configure: Regenerate.
13209 * NEWS: Add note that MCore port has been contributed.
13211 * invoke.texi: Document command line switches for MCore port.
13212 * install.texi: Add MCore to list of supported targets.
13214 2000-02-14 Geoff Keating <geoffk@cygnus.com>
13216 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
13217 then we will need to import the frame handling functions.
13218 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
13219 to import the frames themselves.
13221 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
13222 Jason Eckhardt <jle@cygnus.com>
13224 * basic_block.h: Added prototype for reorder_basic_blocks.
13225 * toplev.c: Changes to add -freorder-blocks and graph dump after
13226 block reordering is done.
13227 * flow.c (reorder_block_def): New structure for use during block
13229 (REORDER_BLOCK_*): New macros to access members of above structure.
13230 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
13231 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
13232 functions for block reordering.
13234 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
13236 * gcc.texi (Passes): Fix typo.
13237 * md.texi (Standard Names): Ditto.
13238 * tm.texi (Storage Layout): Ditto.
13240 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
13242 * cpplib.c (do_define): Only free the old definition if it
13245 2000-02-13 Neil Booth <NeilB@earthling.net>
13247 * cppfiles.c (read_and_prescan): When emitting deferred
13248 newlines, test speccase[] again instead of checking each
13249 possible whitespace character in turn. When we encounter \r,
13250 look behind for \n first, then ahead.
13252 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
13254 * cse.c (cse_altered): New internal flag.
13255 (cse_insn): Set it if we changed an insn.
13256 (cse_main): Clear cse_altered before each basic block.
13257 Only garbage collect if cse_altered is true afterward.
13259 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
13261 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
13263 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
13265 * combine.c (simplify_comparison): Fix typo.
13267 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
13269 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
13272 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13274 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
13275 previously inserted node instead of root node. Caller changed.
13277 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13279 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
13281 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13283 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
13284 __dereg_frame_dtor): Add prototype argument.
13286 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
13288 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
13290 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
13292 * gthr-vxworks.h (__gthread_once): Likewise.
13294 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
13296 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
13298 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
13299 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
13300 stack pointer in functions w/o saved registers, output LEAVE more often
13301 on TARGET_USE_LEAVE machines.
13303 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
13305 * config/arm/arm.c (arm_init_cumulative_args); New function:
13306 Initlaise the CUMULATIE_ARGS strcuture for a function
13308 (arm_function_arg): New function: Determine where to place a
13309 function's argument. Also handles deciding the function's
13311 (current_file_function_operand): New function: Return true if
13312 the symbol is a function which has already been compiled.
13313 (arm_is_long_call_p): New function: Return true if the
13314 indicated function should be called via a long call.
13315 (arm_valid_type_attribute_p): New function: Return true if the
13316 attribute is a valid, arm specific, attribute.
13317 (arm_comp_type_attribute): New function: Return true if the
13318 two types have compatable, arm specific, attributes.
13320 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
13322 (FUNCTION_ARG): Redefine to call arm_function_arg.
13323 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
13325 (INIT_CUMULATIVE_ARGS): Redefine to call
13326 arm_init_cumulative_args.
13327 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
13329 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
13331 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
13333 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
13334 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
13335 (COMP_TYPE_ATTRIBUTES): Define.
13337 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
13338 if a long call is needed.
13339 (call_value): Call arm_is_long_call_p to decide if a long call
13341 (call_symbol): Call arm_is_long_call_p to decide if a long call
13344 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
13346 2000-02-11 Denis Chertykov <denisc@overta.ru>
13348 * README.AVR: New file with information about the avr ports.
13349 * config/avr: New directory with avr port files.
13351 2000-02-11 Andreas Jaeger <aj@suse.de>
13353 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
13355 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
13357 * cpphash.c: Fix formatting, update commentary.
13358 (dump_definition): Take three separate arguments instead of a
13359 MACRODEF structure argument.
13360 * cpphash.h: Update prototype of dump_definition.
13361 * cppinit.c (cpp_finish): Update call of dump_definition.
13363 * cpplib.c (do_define): Always create new hash entry with
13364 T_MACRO type. Remove redundant check for redefinition of
13365 poisoned identifier. Update call of dump_definition.
13366 (do_undef): Don't call check_macro_name. Rename sym_length to
13368 (do_error, do_warning): Don't use copy_rest_of_line or
13370 (do_warning): Don't use pedwarn for the actual warning,
13371 only the notice about its not being in the standard. (Fixes
13372 bug with #warning in system headers.)
13373 (do_ident): Stricter argument checking - accept only a single
13374 string after #ident. Also, macro-expand the line.
13375 (do_xifdef): Use cpp_defined. De-obfuscate.
13377 (do_pragma): Split out specific pragma handling to separate
13378 functions. Use get_directive_token. Update commentary. Do
13379 not pass on #pragma once or #pragma poison to the front end.
13380 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
13381 do_pragma_default): New.
13383 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
13385 * jump.c (jump_optimize_1): The first operand in a relational
13386 can be a CONST_INT.
13387 * optabs.c (emit_conditional_move): Handle relationals which
13388 have a known true/false result.
13390 2000-02-11 Geoff Keating <geoffk@cygnus.com>
13392 * function.c (thread_prologue_and_epilogue_insns): Don't insert
13393 a RETURN insn into a block which already ends with a jump.
13395 2000-02-11 Geoff Keating <geoffk@cygnus.com>
13397 * haifa-sched.c (BUF_LEN): Increase a lot.
13399 2000-02-11 Nick Clifton <nickc@cygnus.com>
13401 * configure.in: Add tm_p_file specification for thumb targets.
13402 * configure: Regenerate.
13404 * config/arm/thumb-protos.h: New file: Prototypes for exported
13405 functions defined in thumb.c.
13407 2000-02-11 Robert Lipe <robertl@sco.com>
13409 * Makefile.in (bootstrap-lean): Remove additional files.
13410 (bootstrap2-lean): Likewise.
13411 (VOL_FILES): List of files for above.
13413 2000-02-11 Nathan Sidwell <nathan@acm.org>
13415 * cpphash.c (special_symbol): Remove spurious argument to
13418 2000-02-11 Joel Sherrill (joel@OARcorp.com>
13420 * configure.in: (i*86-*-rtems*): Swapped elf and coff
13422 * configure: Rebuilt.
13424 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
13426 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
13428 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
13430 * pa.c, pa.h: Remove trigraph sequences within comments.
13432 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
13434 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
13436 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
13438 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
13440 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13442 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
13444 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13446 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
13447 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
13448 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
13449 (ASM_FILE_END): Use c4x_file_end.
13450 * config/c4x/c4x.c (c4x_global_label): New function.
13451 (c4x_external_ref, c4x_file_end): Likewise.
13453 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
13454 (c4x_external_ref, c4x_end_file): Likewise.
13456 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
13458 * cppexp.c: Don't include cpphash.h.
13459 (parse_charconst, cpp_lex): Use cpp_defined.
13460 (cpp_lex): Use get_directive_token throughout. Remove
13461 unnecessary cases from switch. Move assertion-handling code
13462 down to OTHER case.
13463 (cpp_parse_expr): If we see '+' or '-', check the context to
13464 determine if they are unary or binary operators. Streamline
13465 the jumps a bit. Do not call skip_rest_of_line.
13467 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
13468 static. Export get_directive_token. Update commentary.
13469 (cpp_defined): New function.
13470 (do_define): Remove reference to T_PCSTRING. Call
13471 free_definition to release memory for old definition, when
13472 redefining a macro.
13473 (eval_if_expression): Set only_seen_white to 0 before calling
13474 cpp_parse_expr. Call skip_rest_of_line after it returns.
13475 (cpp_read_check_assertion): Don't preserve a pointer into the
13476 token buffer across a call to cpp_get_token.
13478 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
13479 * cppfiles.c (redundant_include_p): Use cpp_defined.
13480 * cpphash.c (free_definition): New function.
13481 (delete_macro): Use it. Update commentary.
13482 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
13484 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
13485 from enum node_type. Prototype cpp_defined and get_directive_token.
13486 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
13488 * fix-header.c (check_macro_names): Use cpp_defined.
13489 (read_scan_file): Set inhibit_warnings and inhibit_errors in
13490 the options structure.
13492 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13494 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
13496 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
13498 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
13499 rather than die->die_tag.
13501 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13503 * combine.c (make_extraction, force_to_mode): Avoid warning on
13504 mixed-signedness conditionals.
13505 (make_field_assignment, nonzero_bits): Likewise.
13506 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
13507 (store_split_bit_field, extract_split_bit_field): Likewise.
13508 (extract_fixed_bit_field, store_bit_field,
13509 * expr.c: Change alignment to be unsigned everywhere.
13510 (move_by_pieces, store_constructor_field, store_constructor):
13511 Alignment parm is unsigned.
13512 (emit_block_move, emit_group_load, emit_group_store): Likewise.
13513 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
13514 (do_compare_rtx_and_jump): Likewise.
13515 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
13516 Compare align with GET_MODE_ALIGNMENT.
13517 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
13518 (get_inner_reference): Likewise.
13519 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
13520 (expand_assignment): Local vars for alignment now unsigned.
13521 (store_constructor, store_field, expand_expr, do_jump): Likewise.
13522 (do_compare_and_jump): Likewise.
13523 (store_field): Call new function expr_align.
13524 * expr.h (emit_block_move, emit_group_load, emit_group_store):
13525 Alignment arg now unsigned.
13526 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
13527 (do_compare_rtx_and_jump, store_bit_field): Likewise.
13528 (extract_bit_field): Likewise.
13529 * fold-const.c (add_double): Add cast to eliminate signedness warning.
13530 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
13531 (get_best_mode): Alignment arg is unsigned.
13532 * rtl.h (move_by_pieces): Likewise.
13533 * store-layout.c (maximum_field_alignment, set_alignment):
13535 (layout_decl): Alignment arg is now unsigned.
13536 Remove unneeded casts.
13537 (layout_record, layout_union, layout_type): Remove unneeded casts.
13538 Local alignment variables now unsigned.
13539 (get_best_mode): Alignment arg now unsigned.
13540 * tree.c (expr_align): New function.
13541 * tree.h (expr_align): Likewise.
13542 (maximum_field_alignment, set_alignment): Now unsigned.
13543 (get_inner_reference): Alignment argument is now pointer to unsigned.
13544 * varasm.c (assemble_variable): Add cast to eliminate warning.
13546 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
13548 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
13549 then store directly into op0.
13551 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
13552 the CALL_INSN, and emit the note immediately after it.
13554 2000-02-10 Nick Clifton <nickc@cygnus.com>
13556 * config/arm/thumb.md (epilogue): Include a (return) in the
13557 generated insn, and emit it using emit_jump_insn not
13560 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
13562 * function.c (assign_temp): Change zero-sized arrays to size 1.
13563 * integrate.c (expand_inline_function): Do not update
13564 stack_alignment_needed
13565 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
13566 add some sanity checking, remove optimization for function with
13569 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13571 * flow.c (mark_regs_live_at_end): Delete unused variables.
13573 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
13575 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
13576 in macro FRAME_GROWS_DOWNWARD.
13578 * stmt.c (expand_end_bindings): Delete unused variable.
13580 * unroll.c (iteration_info): Mark parameter `loop' with
13583 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13585 * fixinc/server.c (load_data): Return NULL if the marker line is
13587 (run_shell): If load_data returns NULL, retry the command once, in
13590 * configure: Rebuilt.
13592 2000-02-09 Bruce Korb <bkorb@gnu.org>
13594 * gcc/fixincludes: ** DELETED **
13595 * gcc/fixcpp: ** DELETED **
13596 * gcc/fixinc-nt.sed: ** DELETED **
13597 * gcc/just-fixinc: ** DELETED **
13598 * gcc/Makefile.in: Removed out-dated commentary
13599 * gcc/configure.in: Removed fast-fixincludes disablement.
13600 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
13602 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
13603 * function.c (thread_prologue_and_epilogue_insns): Uncomment
13606 2000-02-09 Richard Henderson <rth@cygnus.com>
13608 * jump.c (delete_insn): Don't delete user labels at -O0.
13610 2000-02-09 Robert Lipe <robertl@sco.com>
13612 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
13613 Don't link with HOST_LIBS.
13615 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
13617 * configure.in: Correct --help text for --with-dwarf2.
13618 Put tm-dwarf2.h after other tm files, if it's requested.
13619 * configure: Regenerate.
13620 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
13623 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
13625 * cpplib.h: Provide HASHNODE typedef and forward decl of
13626 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
13627 DEFINITION, struct hashnode, struct macrodef, struct
13628 definition, scan_decls prototype, default defn of
13629 INCLUDE_LEN_FUDGE moved elsewhere.
13631 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
13632 definition, and struct hashnode moved here. Remove the unused
13633 'predefined' field from struct definition. Replace the 'args'
13634 union with its sole member. All users updated (cpphash.c).
13635 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
13636 multiple include guard.
13638 * cpphash.c (hashf): Make static; use better algorithm; drop
13639 HASHSIZE parameter; return an unsigned int.
13640 (cpp_lookup): Drop HASH parameter. PFILE parameter is
13641 used. Calculate HASHSIZE modulus here.
13642 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
13644 (create_definition): Drop PREDEFINITION parameter.
13645 * cpplib.c (do_define): Don't calculate a hash value here.
13646 Don't pass (keyword == NULL) to create_definition.
13648 * scan.h: Prototype scan_decls here.
13649 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
13650 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
13651 callers of cpp_lookup and cpp_install updated.
13653 * cpphash.c (macarg): Hoist all the flag diddling out of the
13655 (macroexpand): ... and out of the loop that calls macarg.
13656 Skip over the initial paren before macro arguments with
13657 cpp_get_non_space_token; point may be some distance before
13658 that paren. Abort if it's not there.
13660 * cpplib.c (parse_clear_mark): Delete function.
13661 (parse_set_mark, parse_goto_mark): Make static.
13662 (ACTIVE_MARK_P): New macro.
13663 (skip_block_comment, skip_line_comment): Do not bump the line
13664 if ACTIVE_MARK_P is true.
13665 (cpp_pop_buffer): The buffer to be popped may not have an
13667 (cpp_get_token): When looking for the initial paren before
13668 macro arguments, only set a mark in a file buffer, Always
13669 return to that mark before proceeding to call macroexpand or
13670 return a NAME token.
13672 * cpplib.h: Remove prototypes of parse_set_mark,
13673 parse_clear_mark, parse_goto_mark.
13674 (struct cpp_options): Rename 'put_out_comments' to
13675 'discard_comments' and invert its sense.
13676 * cppinit.c, cpphash.c, cpplib.c: All users of
13677 put_out_comments changed to use discard_comments, with
13680 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
13682 * function.c (thread_prologue_and_epilogue_insns): Don't delete
13683 the edge from a block that both jumps and falls through to the
13686 2000-02-09 Scott Bambrough <scottb@netwinder.org>
13688 * config/arm/arm.md (movsi): In PIC mode, make sure that a
13689 constant source address is legitimate.
13691 2000-02-09 Philip Blundell <pb@futuretv.com>
13693 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
13696 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
13698 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
13700 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
13702 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
13703 ends with a newline and a NUL. Don't be so clever manipulating
13706 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
13708 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
13709 not to BIGGEST_ALIGNMENT.
13711 2000-02-08 Geoff Keating <geoffk@cygnus.com>
13713 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
13714 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
13715 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
13716 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
13717 * frame.c (execute_cfa_insn): Handle
13718 DW_CFA_GNU_negative_offset_extended.
13720 2000-02-08 Richard Henderson <rth@cygnus.com>
13722 * flow.c (tidy_fallthru_edges): Split out from ...
13723 (delete_unreachable_blocks): ... here.
13724 (find_basic_blocks): Use it.
13726 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13728 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
13730 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
13732 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
13733 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
13734 (fix-header.o): Don't depend on cpphash.h.
13736 * scan.c (hashstr): New function.
13737 * scan.h: Prototype it.
13738 * fix-header.c: Don't include cpphash.h. Use hashstr.
13739 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
13740 hashstr. Report hash table statistics. Add private
13741 definition of xrealloc.
13743 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13745 * i386.h (TARGET_SWITCHES): Fix typo in option name.
13747 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
13749 * function.c (thread_prologue_and_epilogue_insns): Don't replace
13750 jumps with returns unless they are jumps to the fallthru block.
13752 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
13754 * i386.md (addqi3_cc): Fix contraints.
13756 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
13758 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
13760 2000-02-07 Mark Mitchell <mark@codesourcery.com>
13762 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
13763 carriage return after a macro name.
13765 2000-02-07 Fred Fish <fnf@be.com>
13767 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
13768 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
13770 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
13772 * cppfiles.c (deps_output): Count spacers in deps_column.
13774 2000-02-07 Neil Booth <NeilB@earthling.net>
13776 * cppinit.c (initialize_dependency_output): If there is no
13777 suffix, don't try to look for known suffixes. Use strrchr.
13778 (cpp_start_read): Remove duplicate initialization.
13780 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
13782 * calls.c (compute_argument_block_size): New argument
13783 preferred_stack_boundary.
13784 (expand_call): update cfun->preferred_stack_boundary, update call of
13785 compute_argument_block_size
13786 (emit_library_call): Increate cfun->preferred_stack_boundary
13787 to PREFERRED_STACK_BOUNDARY
13788 (emit_library_call_value): Likewise.
13789 * explow.c (allocate_dynamic_stack_spave): Likewise.
13790 * function.c (prepare_function_start): Set
13791 cfun->preferred_stack_boundary
13792 * function.h (struct function): Add preferred_stack_boundary field.
13793 * integrate.c (expand_inline_function): Update
13794 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
13795 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
13796 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
13798 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
13800 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
13801 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
13802 cpp_pedwarn, cpp_pedwarn_with_line,
13803 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
13804 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
13805 v_cpp_error_with_line, v_cpp_warning_with_line,
13806 cpp_message_from_errno, cpp_perror_with_name): Delete.
13808 * cpperror.c (cpp_print_containing_files): Take starting
13809 buffer as argument.
13810 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
13811 (v_cpp_message): Now called directly by all entry points.
13813 (cpp_pfatal_with_name, cpp_message): Delete.
13814 (cpp_notice_from_errno, cpp_ice): New functions.
13815 (cpp_notice): Is now for reporting error conditions, just
13816 without an associated file.
13817 (cpp_error, cpp_error_with_line): Don't do anything if
13818 opts->inhibit_errors is on.
13819 (cpp_pedwarn_with_file_and_line): Take column argument also.
13821 * cpplib.h: Update prototypes of exported functions.
13822 (struct cpp_options): Add inhibit_errors.
13824 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
13825 non-error messages. Include intl.h.
13827 * cppinit.c, cppmain.c: Likewise. Also, use
13828 cpp_notice_from_errno instead of cpp_perror_with_name or
13829 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
13831 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
13832 report internal errors.
13834 * cpplib.c (do_define): Switch bcopy to memcpy.
13835 Give cpp_pedwarn_with_file_and_line a dummy column argument.
13837 * cpplib.c (copy_rest_of_line): Revert previous change: don't
13838 bail out early if we hit a line comment.
13840 2000-02-06 Richard Henderson <rth@cygnus.com>
13842 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
13843 * basic-block.h: Declare them.
13844 * emit-rtl.h (active_insn_p): New.
13845 (next_active_insn, prev_active_insn): Use it.
13846 * rtl.h: Declare it.
13847 * function.c (emit_return_into_block): New.
13848 (thread_prologue_and_epilogue_insns): Insert return insns instead
13849 of epilogues when possible.
13850 * jump.c (jump_optimize_1): Remove code to insert a return insn
13851 on the fallthru to the exit block.
13853 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
13854 and for non-empty stack frames.
13855 * i386.md (return): Expand to return-pop as needed.
13857 2000-02-06 Richard Henderson <rth@cygnus.com>
13859 * simplify-rtx.c (simplify_relational_operation): Canonicalize
13860 constant to op1 for testing.
13862 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13864 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
13865 (fixuns_truncqfqi2): Use it.
13867 2000-02-06 Richard Henderson <rth@cygnus.com>
13869 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
13870 as a TYPE_LEA insn.
13872 * i386.md (widening and peepholes): Mask the constant instead of
13875 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
13877 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
13878 input pointer before possibly branching off to the backslash
13880 * cpphash.c (macroexpand): Correctly delete \r escapes when
13881 stringifying parameters.
13882 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
13883 if we can; bail out early if we hit a line comment.
13884 (handle_directive): Treat '# 123' in an .S file just like
13885 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
13886 Return 1 for '# not_a_directive'.
13887 (get_directive_token): Pop macro buffers here, so that
13888 cpp_get_token can't sneakily move past a newline.
13890 (cpp_get_token): goto randomchar if handle_directive returns 0.
13892 * cppalloc.c: Update copyright.
13893 * cpplib.c: Merge all the static function prototypes into one
13895 * cpplib.h: Remove #if 0 block.
13897 * cpperror.c: Remove #ifdef EMACS block.
13898 * cppmain.c: Likewise.
13899 * cpphash.c: Remove #if 0 blocks.
13900 * cppinit.c: Remove #if 0 blocks, and the -lint option.
13901 * cpplib.c: Remove #if 0 blocks and code referencing
13902 pcp_inside_if or for_lint. Remove duplicate error message.
13903 Fix error messages for #else after #else or #elif. Reformat.
13904 Remove archaic TODO list.
13905 * cpplib.h: Remove pcp_inside_if and for_lint flags.
13907 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
13909 * i386/osf1elf.h: Add missing backslash to multiline string.
13911 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13913 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
13915 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13917 * Makefile.in (c-common.o): Depend on $(EXPR_H).
13919 * c-common.c: Include expr.h.
13921 * c-pragma.c (mark_align_stack): Add prototype.
13923 * caller-save.c (add_stored_regs): Likewise.
13925 * combine.c (record_promoted_value): Likewise.
13927 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
13930 * cppinit.c (new_pending_define): Likewise.
13932 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
13934 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
13935 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
13936 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
13937 class_scope_p): Likewise.
13939 * dwarf2out.h (dwarf2out_set_demangle_name_func,
13940 dwarf2out_add_library_unit_info): Likewise.
13942 * ggc.h (ggc_page_print_statistics): Likewise.
13944 * haifa-sched.c (propagate_deps): Likewise.
13946 * reg-stack.c (next_flags_user, record_label_references): Likewise.
13948 * rtl.h (set_stack_check_libfunc): Likewise.
13950 * toplev.h (set_fatal_function): Likewise.
13952 * toplev.c (set_fatal_function): Delete prototype.
13954 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
13956 2000-02-05 Geoff Keating <geoffk@cygnus.com>
13958 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
13959 (FUNC_END): Likewise.
13961 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13963 * caller-save.c: Include tm_p.h.
13965 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13967 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
13969 2000-02-04 Neil Booth <NeilB@earthling.net>
13971 * cccp.c (main): Check 'dir' for a NULL pointer before passing
13974 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
13976 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
13977 * genflags.c: Use the max_operand_1 logic from genemit.c to
13978 calculate how many arguments gen_insn prototypes have. Remove
13979 NO_MD_PROTOTYPES ifdefs from the generated file.
13980 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
13981 file. Cast gen_insn initializers to insn_gen_fn.
13982 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
13983 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
13985 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13987 * fixinc/Makefile.in (HDR): Add machname.h.
13990 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13992 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
13993 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
13994 (c4x_cpu_version): Ditto.
13995 * config/c4x/c4x-protos.h: ... here.
13997 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
13999 * dwarf2out.c (add_abstract_origin_attribute): Don't call
14000 gen_abstract_function on our context if we're a nested function.
14002 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14004 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
14005 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
14007 2000-02-04 Bruce Korb <bkorb@gnu.org>
14009 * fixinc/genfixes(machname.h):
14010 Move the functionality from gen-machine.h into this file.
14011 UNdef MN_NAME_PAT if there are no names to change.
14012 Also, be a little kinder when AutoGen is not present.
14014 * fixinc/Makefile.in(machname.h):
14015 Change the generation rule to use genfixes.
14017 * fixinc/fixfixes.c(machine_name):
14018 machine_name_fix's functionality now dependent upon whether
14019 MN_NAME_PAT is defined.
14021 * fixinc/fixtests.c(machine_name):
14024 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
14027 * fixinc/fixlib.h(mn_get_regexps):
14030 * fixinc/gen-machine.h: DELETED
14032 2000-02-04 Jan Hubicka <jh@suse.cz>
14033 Richard Henderson <rth@cygnus.com>
14035 * i386.c (SAVE_REGS_FIRST): Remove.
14036 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
14037 (ix86_compute_frame_size): Likewise.
14038 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
14039 (ix86_emit_restore_regs): Remove.
14040 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
14041 when a frame pointer is in use.
14042 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
14043 instead of pop to restore a register when profitable; emit leave
14045 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
14046 as a TYPE_LEA insn.
14047 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
14048 * i386.md (prologue_allocate_stack): Remove.
14049 (epilogue_deallocate_stack): Remove.
14050 (pro_epilogue_adjust_stack): New.
14052 2000-02-04 Richard Henderson <rth@cygnus.com>
14054 * function.c (diddle_return_value): Rework to use a callback function.
14055 Use current_function_return_rtx if it's been set up.
14056 (do_clobber_return_reg, clobber_return_register): New.
14057 (do_use_return_reg, use_return_register): New.
14058 (expand_function_end): Use them.
14059 * stmt.c (expand_null_return): Likewise.
14060 * function.h: Declare them.
14061 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
14062 (mark_reg): Change arguments as appropriate for callback.
14063 * integrate.c (expand_inline_function): Revert 19 Jan change.
14065 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
14067 * tm.texi (Values in Registers): Fix typo: "fo" "for".
14068 (Misc): Say the scheduler, not the Haifa scheduler.
14070 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
14072 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
14073 when in_mem is set. Update all callers.
14075 2000-02-04 Richard Henderson <rth@cygnus.com>
14077 * i386/openbsd.h (INT_ASM_OP): Define.
14079 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
14081 * tm.texi: Fix various typos.
14083 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
14085 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
14086 (MD_STARTFILE_PREFIX_1): New macro.
14088 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
14090 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
14091 destination when needed.
14092 (strmovsi, strsetsi): New expander.
14093 (strmovsi_1, strsetsi_1): New pattern.
14094 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
14095 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
14096 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
14097 * invoke.texi (align-stringops, inline-all-stringops): Document.
14099 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
14101 * i386/netbsd.h (INT_ASM_OP): Define.
14103 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
14105 * cpplib.h (cpp_reader): Add new flag, no_directives.
14106 * cpphash.c (macarg): Set it.
14107 * cpplib.c (handle_directive): If no_directives is on and we
14108 find a directive, issue an error and discard the line.
14110 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
14112 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
14113 FP constants. Add ! TARGET_FPU check for FP constants.
14115 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
14117 * flow.c (find_basic_blocks): Don't kill label_value_list
14119 (cleanup_cfg): Kill it here.
14121 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14123 * expr.c (store_field): Ensure ALIGN is no stricter than the
14126 2000-02-02 Richard Henderson <rth@cygnus.com>
14128 * jump.c (delete_insn): Partially revert 19 Jan change;
14129 don't convert unused code labels to notes at -O0.
14131 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14133 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
14134 split_all_insns to recreate REG_LABEL notes for flow2 pass.
14136 2000-02-01 Richard Henderson <rth@cygnus.com>
14138 * i386.c (general_no_elim_operand): New.
14139 (nonmemory_no_elim_operand): New.
14140 (ix86_expand_move): Copy eliminable operands before a push.
14141 * i386-protos.h: Declare new functions.
14142 * i386.h (CAN_ELIMINATE): Simplify.
14143 (PREDICATE_CODES): Update.
14144 * i386.md (push insns): Don't allow eliminable register operands.
14146 2000-02-01 Richard Henderson <rth@cygnus.com>
14148 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
14149 replace BLKmode with DECL_RTL's mode.
14151 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
14153 * frame.c (find_fde): Convert for loop to do-while so compiler
14154 sees it's always executed at least once.
14155 * libgcc2.c (BBINBUFSIZE): Kill.
14156 (__bb_init_prg): Use fgets.
14157 (__bb_exit_trace_func): Don't paste strings.
14158 * unroll.c (unroll_loop): Initialize unroll_type, not
14159 unroll_number, and tweak logic to match.
14161 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
14163 (ix86_flags_dependant): Likewise. Disentangle control flow.
14164 (ix86_sched_reorder): Break guts out to
14165 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
14166 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
14169 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
14170 use string concatenation. Don't save and restore esi.
14172 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
14173 (machname.h): Remove script to separate file. Use two-step
14174 sequence so target is not created if script fails.
14175 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
14176 identifiers are defined.
14177 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
14178 an empty string, machine_name doesn't need to do anything at
14180 (is_cxx_header): Add more cases to regexp.
14181 * fixinc/fixlib.h: Update prototype.
14182 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
14184 * fixinc/fixincl.c: Define NO_BOGOSITY.
14186 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
14187 (hp_sysfile): Add missing comma.
14188 (math_exception): Put the wrapper ifdefs at the beginning and
14189 the end of the file.
14190 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
14192 2000-02-01 Richard Henderson <rth@cygnus.com>
14194 * sparc.c (fp_zero_operand): Turn into a normal predicate.
14195 Use CONST0_RTX. Update all callers.
14196 * sparc.h, sparc-protos.h: Update accordingly.
14197 * sparc.md (fp mov insns): Use fp_zero_operand directly
14200 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
14202 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
14205 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14207 * Makefile.in (specs.ready): New target.
14208 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
14210 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14212 * fixinc.irix: Use unique filenames for writing into /tmp,
14213 * fixinc.ptx: Likewise.
14214 * fixinc.sco: Likewise.
14215 * fixinc.svr4: Likewise.
14216 * fixinc.winnt: Likewise.
14218 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14220 * tsystem.h: New file.
14222 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
14223 s-crtS): Depend on tsystem.h.
14225 * crtstuff.c: Include tsystem.h.
14226 * frame.c: Likewise.
14227 * libgcc2.c: Likewise.
14229 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
14231 * builtins.c (expand_builtin_memset): Expand for variable sized
14234 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
14236 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
14239 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
14241 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
14243 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
14245 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
14247 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
14248 case 3->2 combining (combining with splitting) in which 2 is CC0
14249 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
14250 checked at the begining of the function with the aid of calling
14251 function 'can_combine_p'.
14253 2000-01-31 Dave Brolley <brolley@redhat.com>
14255 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
14257 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
14259 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
14262 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14264 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
14266 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
14269 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
14271 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
14272 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
14273 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
14274 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
14275 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
14276 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
14277 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
14278 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
14279 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
14280 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
14282 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
14283 Add %(cpp_cpu) to CPP_SPEC.
14285 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
14286 Add %(cc1_cpu) to CC1_SPEC.
14288 2000-01-28 Ulrich Drepper <drepper@redhat.com>
14290 * c-decl.c (c_decode_option): Accept optional numeric argument to
14291 -Wformat and set warn_format.
14292 * c-common.c: Don't emit warning about non-constant printf format
14293 string unless warn_format > 1.
14295 2000-01-30 Richard Henderson <rth@cygnus.com>
14297 * alpha.md (return_internal): Allow after reload only.
14299 2000-01-30 Richard Henderson <rth@cygnus.com>
14301 * i386.c (ix86_compute_frame_size): Omit padding1 if the
14302 local frame size is zero.
14304 2000-01-30 Richard Henderson <rth@cygnus.com>
14306 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
14307 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
14308 * alpha.md (return): Turn into an expander.
14309 (return_internal): Don't use $26.
14310 (epilogue): Emit the return insn.
14312 2000-01-30 Richard Henderson <rth@cygnus.com>
14314 * alpha.md (negtf2, abstf2): Fix word order thinko.
14315 (extendsftf2): New.
14316 (trunctfsf2): Avoid intermediate rounding errors.
14318 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
14320 * cppfiles.c (find_position): Drop 'colp' argument, return the
14322 (read_and_prescan): Adjust to match. Don't ever manipulate
14323 line or line_base except via find_position.
14325 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
14327 * c-parse.in: Apply Ulrich's changes from c-parse.y.
14328 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
14331 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
14333 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
14334 just print "<command line>". If 'filename' is null or an
14335 empty string, print "<stdin>" for the filename.
14336 * cpplib.c (do_define): Don't print the 'location of the
14337 previous definition' message if we're still parsing the
14339 (cpp_pedwarn_with_file_and_line): Always call
14340 cpp_file_line_for_message.
14342 2000-01-29 Mark Mitchell <mark@codesourcery.com>
14344 * flow.c (mark_regs_live_at_end): Fix typo.
14346 2000-01-28 Ulrich Drepper <drepper@redhat.com>
14348 * c-common.c: Adjust variable names, comments, help strings to c99.
14349 * c-lex.c: Likewise.
14350 * c-parse.y: Likewise.
14351 * c-tree.h: Likewise.
14352 * cccp.c: Likewise.
14353 * cpplib.h: Likewise.
14354 * c-decl.c: Likewise. Recognize options with names "*99" as well.
14355 * cppinit.c: Likewise.
14357 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14359 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
14360 * c4x.c: Define the optab rtx values.
14361 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
14362 (c4x_emit_libcall): Use new optab rtx values.
14363 (c4x_emit_libcall3): Likewise.
14364 (c4x_emit_libcall_mulhi): Likewise.
14365 * c4x-protos.h: Add prototypes for optab rtx values and change
14366 prototypes for above c4x_emit_libcall functions.
14368 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14370 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
14372 (c4x_function_prologue): Use regnames intead of float_reg_names when
14374 (c4x_function_epilogue): Likewise.
14375 (c4x_print_operand): Likewise.
14376 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
14377 * c4x.md (set_high): Disable for TARGET_TI.
14379 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14381 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
14382 of framepointer + constant to ADDR_REGS class.
14383 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
14384 * c4x.c (std_or_reg_operand): New function.
14385 * c4x-protos.h (std_or_reg_operand): Prototype it.
14387 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14389 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
14390 object names as libgcc2.c.
14391 * libgcc.S: Use newly defined names.
14393 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
14394 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
14396 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
14397 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
14398 (FLOW_LOOP_LAST_BLOCK): Likewise.
14400 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14402 * basic-block.h (struct loop): New fields 'first' and 'last'.
14403 * flow.c (flow_loops_find): Compute loop->first and loop->last.
14404 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
14405 and loop->last to check for NOTE_INSN_LOOP_END.
14407 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
14409 * predict.c (estimate_probability): Use the new FIRST and LAST fields
14410 of the loop descriptor rather than HEADER and LATCH. Also added
14411 missing break statements as well making some coding style modifications
14412 as suggested by Michael Hayes.
14414 2000-01-28 Richard Henderson <rth@cygnus.com>
14416 * flow.c (find_basic_blocks): Remove do_cleanup argument.
14417 Break out that code ...
14418 (cleanup_cfg): ... here.
14419 (commit_one_edge_insertion): Detect a return instruction being
14420 emitted to an edge. Emit a barrier following; clear fallthru.
14421 (commit_edge_insertions): Verify CFG consistency.
14422 * function.c (expand_function_start): Kill unused variable.
14423 (expand_function_end): Likewise.
14424 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
14425 to insert the epilogue.
14427 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
14428 (delete_null_pointer_checks): Likewise.
14429 * output.h: Likewise.
14430 * reg-stack.c (reg_to_stack): Likewise.
14431 * toplev.c (rest_of_compilation): Likewise. Run
14432 thread_prologue_and_epilogue_insns after rebuilding the CFG.
14434 2000-01-28 Richard Henderson <rth@cygnus.com>
14436 * Makefile.in (flow.o): Revert 24 Jan change.
14437 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
14438 FUNCTION_VALUE result to DECL_RESULT's mode.
14440 * haifa-sched.c (schedule_insns): Don't recompute reg info
14443 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
14445 * configure.in: Make --enable-cpplib the default.
14446 * configure: Regenerate.
14447 * gcc.dg/990119-1.c: No longer expected to fail.
14449 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
14451 * jump.c (jump_optimize_1): Delete an optimization that is also done
14452 by merge_blocks in flow.
14454 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14456 * diagnostic.c (build_message_string, output_printf,
14457 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
14458 (build_location_prefix): Fix non-literal format string.
14460 2000-01-27 Richard Henderson <rth@cygnus.com>
14462 * alpha.md (trunctfsf2): New.
14464 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
14466 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
14468 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
14470 * cppinit.c (cpp_handle_option): Recognize C++ comments under
14472 * cpplib.c (skip_block_comment, skip_line_comment): Split code
14474 (skip_comment) ... here. Permit C++ comments in system
14475 headers always. Warn about C++ comments in user code under
14476 -std=gnu89 -pedantic.
14477 (copy_comment): Use skip_comment.
14478 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
14480 (consider_directive_while_skipping, do_else, do_endif): Call
14481 validate_else unconditionally.
14482 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
14483 text after the conditional in a system header.
14484 * cpplib.h (struct cpp_buffer): Add flag
14485 warned_cplusplus_comments.
14487 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
14489 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
14490 Use unshare_all_rtl_1.
14491 (unshare_all_rtl_again): New function.
14492 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
14494 * function.c (purge_addressof_1): Use unshare_all_rtl_again
14495 rather than resetting the 'used' flags ourself.
14497 * toplev.c (rest_of_compilation): Add current_function_decl
14498 to the unshare_all_rtl call.
14499 * tree.h: Prototype unshare_all_rtl.
14500 * rtl.h: Prototype unshare_all_rtl_again here.
14502 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
14504 * genoutput.c (output_prologue): Include ggc.h in generated
14506 * Makefile.in (insn-output.o): Depends on ggc.h.
14508 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
14509 Hans-Peter Nilsson <hp@bitrange.com>
14511 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
14512 Remove redundant include of xm-ns32k.h.
14513 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
14514 Remove redundant include of xm-ns32k.h.
14515 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
14516 Remove redundant include of xm-ns32k.h.
14517 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
14519 * ns32k/ns32k.h: Update comment on multiply-add instructions.
14520 (TARGET_SWITCHES): Add documentation strings.
14521 (DWARF_FRAME_REGNUM): Override default definition.
14522 (REG_CLASS_CONTENTS): Add comments.
14523 (SUBSET_P): Format to reduce line length.
14524 (SMALL_REGISTER_CLASSES): Make a run time option.
14525 (GO_IF_NONINDEXED_ADDRESS): Reformat.
14526 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
14527 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
14528 (regclass_map): fix typo in comment.
14529 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
14530 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
14531 (trace, reg_or_mem_operand): Delete, unused function.
14532 (calc_address_cost): Small offsets are cheaper than large ones.
14533 (expand_block_move): Generate more efficient code when bytes is a
14534 known at compile time.
14535 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
14536 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
14537 instead of reg_or_mem_operand.
14539 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
14540 not general_operand. Similarly use "=rm" or stricter, not "=g".
14541 For input operands, use stricter constraints than "g" if not
14542 general_operand. Similarly use stricter predicate than
14543 "general_operand" when stricter constraints than "g" are present,
14544 except for matching constraints.
14545 (movstrsi): Use "memory_operand" for operands 0 and 1.
14546 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
14547 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
14548 not reg_or_mem_operand.
14549 (udivmoddisi4): Ditto.
14550 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
14551 Use nonimmediate_operand for operand 3, not register_operand.
14552 (udivmoddiqi4_internal): Use register_operand for operand 1, not
14553 reg_or_mem_operand.
14555 2000-01-27 Fred Fish <fnf@be.com>
14557 * gthr-posix.h: Fix typo; compatibily -> compatibility.
14558 * gthr-single.h: Likewise.
14559 * gthr-solaris.h: Likewise.
14560 * gthr-vxworks.h: Likewise.
14561 * gthr-win32.h: Likewise.
14562 * gthr.h: Likewise.
14564 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
14566 * cppinit.c: Add " (cpplib)" to end of string printed by
14569 2000-01-27 Richard Henderson <rth@cygnus.com>
14571 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
14572 testing for a signed comparison.
14573 (alpha_emit_floatuns): New.
14574 * alpha-protos.h: Declare it.
14575 * alpha.md (floatunsdisf2, floatunsdidf2): New.
14576 (extendsfdf2): Tidy.
14578 2000-01-27 Jakub Jelinek <jakub@redhat.com>
14580 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
14581 no -g option specifying debugging format, default to -gstabs+.
14583 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14585 * calls.c (special_function_p): New argument fork_or_exec.
14586 (expand_call): When profile_arc_flag is set and the function
14587 is in the fork_or_exec group, call __bb_fork_func first.
14588 * libgcc2.c, _bb module (__bb_fork_func): New function.
14589 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
14591 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
14592 * tree.h (special_function_p): Update prototype.
14594 2000-01-26 Richard Henderson <rth@cygnus.com>
14596 * alpha.c (alpha_split_tfmode_pair): New.
14597 * alpha-protos.h: Declare it.
14598 * alpha.md (abstf2, negtf2): New.
14599 (movtf insn): Add input G constraint.
14600 (movtf splitter): Use alpha_split_tfmode_pair.
14602 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14604 * i386/cygwin.h: PROTO -> PARAMS.
14606 2000-01-26 Jakub Jelinek <jakub@redhat.com>
14608 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
14609 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
14610 using _Qp_cmp/_Q_cmp and testing the return value.
14611 (print_operand): Call reverse_condition_maybe_unordered if
14612 we are handling CCFPmode or CCFPEmode.
14613 Handle ORDERED, UN* and LTGT comparisons.
14614 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
14615 if not TARGET_HARD_QUAD.
14616 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
14617 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
14618 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
14619 Adjust gen_b* calls so that they reflect return comparison of
14620 sparc_emit_float_lib_cmp.
14622 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14624 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
14625 incoming operands array is large enough for one more operand.
14626 (alpha_emit_xfloating_arith): Likewise.
14628 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
14630 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
14631 file with one line and no trailing newline.
14632 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
14633 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
14634 checking if the match is on the line.
14635 * fixinc/gnu-regex.c: Provide regerror not __regerror.
14637 2000-01-25 Richard Henderson <rth@cygnus.com>
14639 * sparc.c (output_cbranch): Fix accidental squashing of the
14640 fp branch pre-delay nop.
14642 2000-01-25 Richard Henderson <rth@cygnus.com>
14644 * tree.def (UNNE_EXPR): Remove.
14645 * c-typeck.c (build_binary_op): Don't handle it.
14646 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
14648 * rtl.def (UNNE): Remove.
14650 * jump.c (reverse_condition): Update accordingly.
14651 (swap_condition): Likewise.
14652 (comparison_dominates_p): Handle unordered comparisons.
14653 (reverse_condition_maybe_unordered): New.
14654 * rtl.h (reverse_condition_maybe_unordered): Declare.
14656 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
14657 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
14658 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
14659 * sparc.md (bltgt): New.
14661 2000-01-25 Nick Clifton <nickc@redhat.com>
14663 * emit-rtl.c (emit_insn): Only check machine class insns for
14664 improper emission of a RETURN.
14666 2000-01-25 Richard Henderson <rth@cygnus.com>
14668 * Makefile.in (flow.o): Depend on $(EXPR_H).
14669 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
14670 duplicate the structure of diddle_return_value for keeping regs live.
14672 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14674 * loop.c (current_loop_info): Delete.
14675 (consec_sets_invariant_p): Add loop argument, update callers.
14676 (get_condition_for_loop): Likewise.
14677 (count_nonfixed_reads, update_giv_derive): Likewise.
14678 (simplify_giv_expr, general_induction_var): Likewise.
14679 (consec_sets_giv, recombine_givs): Likewise.
14680 (move_movables): Delete loop_start and loop_end arguments,
14681 add loop argument, and update callers.
14682 (find_mem_givs, check_final_value): Likewise.
14683 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
14684 (loop_invariant_p): Rename from invariant_p, add loop argument, and
14686 (basic_induction_var): Add loop argument, delete loop_level argument,
14687 and update callers.
14688 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
14689 add loop argument, and update callers.
14690 (find_splittable_regs, find_splittable_givs): Likewise.
14691 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
14692 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
14693 (biv_total_increment): Delete loop_start and loop_end arguments;
14695 (precondition_loop_p): Delete loop_start and loop_info arguments;
14697 * loop.h (get_condition_for_loop): Add loop argument.
14698 (biv_total_increment): Delete loop_start and loop_end arguments.
14699 (precondition_loop_p): Delete loop_start and loop_info arguments;
14701 (final_biv_value): Delete loop_start and loop_end arguments;
14703 (final_giv_value, back_branch_in_range_p): Likewise.
14705 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
14707 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
14709 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
14711 * Makefile.in (c-gperf.h) : Change the "See" pointer to
14712 point to the new "generated_files" doc.
14714 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
14716 * config/fp-bit.c (_unord_f2): Fix typo.
14718 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
14720 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
14721 c-typeck.c, objc/objc-act.c: Remove all references to obstack
14722 functions obsoleted by GC, such as push_obstacks_nochange,
14723 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
14724 and code which existed only to decide whether or not to call
14725 them. Remove now-unused NESTED argument from start_function;
14726 all callers changed. Do not change behavior based on ggc_p.
14727 The use of the ixp_obstack in c-iterate.c and the util_obstack
14728 in objc/objc-act.c remain; these are not obsoleted by garbage
14730 * c-tree.h: Update prototype for start_function.
14732 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
14734 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
14736 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
14739 2000-01-25 Richard Henderson <rth@cygnus.com>
14741 * sparc-protos.h (select_cc_mode): Declare.
14742 * sparc.c (select_cc_mode): New. Handle unordered compares.
14743 (output_cbranch): Always reverse via code change. Handle
14744 unordered compares. Factor tests and string updates.
14745 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
14746 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
14747 * sparc.md (bunordered, bordered): New.
14748 (bungt, bunlt, buneq, bunge, bunle): New.
14750 2000-01-25 Richard Henderson <rth@cygnus.com>
14752 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
14753 * ggc-common.c (ggc_add_rtx_varray_root): New.
14754 (ggc_mark_rtx_varray): New.
14755 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
14756 functions down below ggc_mark_foo.
14757 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
14759 2000-01-25 Richard Henderson <rth@cygnus.com>
14761 * alpha.c (secondary_reload_class): Don't allocate a secondary
14762 for integral mode memories into FLOAT_REGS. Rearrange the more
14763 complicated memory expression inward.
14765 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
14767 * inclhack.def: Fixes to play nicer with FreeBSD, and
14768 corrections to comments.
14769 (cxx_unready): Add select expression.
14770 (irix_sockaddr): Add bypass expression.
14771 (machine_ansi_h_va_list): New fix.
14772 (stdio_va_list): No need to edit _BSD_VA_LIST_.
14773 Split out addition of "#include <stdarg.h>" to...
14774 (stdio_stdarg_h): ... here.
14775 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
14776 to stdlib.h also. Do not munge _BSD_SIZE_T_.
14777 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
14779 (ultrix_ifdef): Tighten up select expression.
14781 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
14782 re_ct and max_mach to avoid use of shell. Make printed names
14783 match names in inclhack.def. Use static copyright date.
14784 Don't count c_test and test expressions as requiring regex_t
14785 slots. Add some commentary.
14786 * inclhack.tpl: Do not include the 'This script contains N
14787 fixup scripts' line if PROGRAM is defined. Use static
14790 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
14792 * dwarf2out.c: include "varray.h", not dyn-string.h.
14793 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
14794 (addr_const_to_string, addr_to_string): Lose.
14795 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
14796 (struct dw_val_struct): val_addr is now an rtx.
14797 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
14798 (used_rtx_varray): New varray.
14799 (dwarf2out_init): Initialize it.
14800 (save_rtx): New fn.
14801 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
14803 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
14804 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
14805 * Makefile.in (dwarf2out.o): Update dependencies.
14807 2000-01-24 Richard Henderson <rth@cygnus.com>
14809 * i386.c (i386_dwarf_output_addr_const): New.
14810 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
14812 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
14814 * dwarfout.c (output_mem_loc_descriptor): Likewise.
14815 * i386.c (i386_simplify_dwarf_addr): New.
14816 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
14818 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
14820 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
14821 TYPE_STUB_DECL is NULL.
14823 2000-01-24 Richard Henderson <rth@cygnus.com>
14825 * builtins.c (expand_tree_builtin): Move ...
14826 * c-common.c (expand_tree_builtin): ... here.
14828 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14830 * loop.h (LOOP_INFO): New accessor macro.
14831 * basic-block.h (struct loop): Rename field `info' to `aux'.
14832 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
14833 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
14834 * unroll.c (loop_iterations, unroll_loop): Likewise.
14836 2000-01-24 Christopher Faylor <cgf@cygnus.com>
14838 * config/i386/t-cygwin: Accomodate new winsup directory layout
14839 when searching for include files.
14841 2000-01-24 Richard Henderson <rth@cygnus.com>
14843 * rtl.def: Add unordered fp comparisions.
14844 * tree.def: Likewise.
14845 * tree.h: Add ISO C 9x unordered fp comparision builtins.
14847 * builtins.c (expand_tree_builtin): New function.
14848 * c-typeck.c (build_function_call): Use it.
14849 (build_binary_op): Support unordered compares.
14850 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
14852 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
14853 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
14854 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
14855 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
14856 * jump.c (reverse_condition): Don't abort for UNLE etc, but
14858 (swap_condition): Handle unordered compares.
14859 (thread_jumps): Check can_reverse before reversing.
14860 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
14863 * optabs.c (can_compare_p): New argument CODE. Verify branch or
14864 setcc is present before acking for cmp_optab. Update all callers.
14865 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
14866 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
14867 * expr.c (expand_expr): Likewise. Support unordered compares.
14868 (do_jump, do_store_flag): Likewise.
14869 * expr.h (enum libfunc_index): Add unordered compares.
14871 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
14872 (DPBIT_FUNCS): Add _unord_df.
14873 * config/fp-bit.c (_unord_f2): New.
14874 * fp-test.c (main): Try unordered compare builtins.
14876 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
14877 * alpha.c (alpha_comparison_operator): Check mode properly.
14878 (alpha_swapped_comparison_operator): Likewise.
14879 (signed_comparison_operator): Likewise.
14880 (alpha_fp_comparison_operator): New.
14881 (alpha_emit_conditional_branch): Handle unordered compares.
14882 * alpha.h (PREDICATE_CODES): Update.
14883 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
14884 (bunordered, bordered): New.
14886 2000-01-24 Richard Henderson <rth@cygnus.com>
14888 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
14889 * alpha.md (movtf): New expander, insn, and splitter.
14891 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
14893 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
14896 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
14898 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
14899 (FIXED_REGISTERS, CALL_USED_REGISTERS,
14900 REG_ALLOC_ORDER): Add frame pointer
14901 (FRAME_POINTER_REGNUM): Set to 20
14902 (HARD_FRAME_POINTER_REGNUM): New macro.
14903 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
14904 to HARD_FRAME_POINTER.
14905 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
14906 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
14907 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
14908 (HI_REGISTER_NAMES): Add "frame".
14909 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
14910 (debug_reg): Handle FRAME_POINTER_REGNUM.
14911 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
14912 GENERAL_REGS and INDEX_REGS.
14913 * i386.c (SAVED_REGS_FIRST): new macro.
14914 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
14915 (ix86_decompose_address, memory_address_length): Likewise.
14916 (regclass_map): Add frame pointer.
14917 (call_insn_operand): Handle frame_pointer_rtx.
14918 (reg_no_sp_operand): Likewise.
14919 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
14920 (print_operand, legitimize_pic_address): Fix formating.
14921 (ix86_compute_frame_size): Make static, update prototype, new
14922 parameters padding1, padding2, use ix86_nsaved_regs, use
14923 stack_alignment_needed.
14924 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
14925 to HARD_FRAME_POINTER_REGNUM conversions.
14926 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
14927 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
14928 (print_reg): Abort on FRAME_POINTER_REGNUM
14930 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
14932 * i386.h (PREDICATE_CODES): Add aligned_operand.
14933 * i386.c (aligned_operand): New function.
14934 (ix86_aligned_p): Kill.
14935 * i386.md (movhi_1): Emit mov for aligned operands.
14936 (promoting peep2s): Use aligned_operand.
14938 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
14940 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
14941 expression to allow underscores in macro names.
14942 (fix_char_macro_defines): Increment scanning pointer.
14944 2000-01-23 Richard Henderson <rth@cygnus.com>
14946 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
14947 * alpha/osf5.h: New file.
14948 * configure.in (alpha-*-osf5): Add it to tm_file.
14950 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
14952 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
14953 (alpha_emit_xfloating_cvt, function_arg): Declare.
14954 * alpha.c (alpha_emit_conditional_branch): Call
14955 alpha_emit_xfloating_compare for TFmode compares.
14956 (alpha_lookup_xfloating_lib_func): New.
14957 (alpha_compute_xfloating_mode_arg): New.
14958 (alpha_emit_xfloating_libcall): New.
14959 (alpha_emit_xfloating_arith): New.
14960 (alpha_emit_xfloating_compare): New.
14961 (alpha_emit_xfloating_cvt): New.
14962 (print_operand): Add default abort case.
14963 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
14964 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
14965 (BIGGEST_ALIGNMENT): Increase to 128 bits.
14966 (RETURN_IN_MEMORY): True for TF/TCmode.
14967 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
14968 (FUNCTION_ARG): Move to function_arg.
14969 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
14970 (ASM_OUTPUT_LONG_DOUBLE): New.
14971 (ASM_OUTPUT_DOUBLE): Always output bits.
14972 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
14973 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
14974 (extenddftf2, trunctfdf2): New.
14976 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14978 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
14979 * config/sparc/sol2.h: ... here.
14981 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14983 * basic-block.h (struct loops): New field `levels'.
14984 * flow.c (flow_loops_level_compute): Traverse all outer loops.
14985 (flow_loop_level_compute): Initialise level to 1.
14986 (flow_loops_find): Set loops->levels.
14987 (flow_loops_dump): Print loops->levels.
14989 2000-01-23 Richard Henderson <rth@cygnus.com>
14991 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
14992 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
14994 2000-01-23 Richard Henderson <rth@cygnus.com>
14996 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
14997 * i386.h (DBX_REGISTER_NUMBER): Use them.
14998 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
14999 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
15000 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
15001 * i386/sequent.h: Kill incorrect comment.
15003 2000-01-23 Mark Mitchell <mark@codesourcery.com>
15005 * ggc-page.c (struct page_entry): Make `context_depth' an
15007 (struct globals): Likewise.
15009 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
15011 * loop.c (check_dbra_loop): When checking a loop for
15012 reversability, check the source of any stores to ensure
15013 they don't depend on an initial value.
15015 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15017 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
15019 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
15021 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
15022 'pz_scan' into scope of entire function. Only affects
15023 compiles with -DDEBUG.
15025 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
15027 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
15028 section naming to that prior to 2000-01-07 patch.
15029 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
15030 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
15031 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
15032 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
15033 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
15035 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
15037 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
15040 2000-01-21 Jim Wilson <wilson@cygnus.com>
15042 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
15043 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
15045 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
15047 * cpphash.c (change_newlines): Delete function.
15048 (struct argdata): Delete 'newlines' and 'use_count' fields.
15049 (macroexpand): Remove code referencing those fields.
15051 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15053 * loop.c (loops_info): New variable.
15054 (loop_optimize): Allocate loops->array and free it on exit.
15055 Allocate memory for loops_info and assign to each loop,
15057 (find_and_verify_loops): Do not allocate loops->array.
15059 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
15061 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
15063 2000-01-21 Jakub Jelinek <jakub@redhat.com>
15065 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
15066 pseudos if expanded after first flow.
15067 (movdi_pic_label_ref): Likewise.
15069 2000-01-20 Richard Henderson <rth@cygnus.com>
15071 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
15073 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
15075 * Makefile.in (fixinc.sh): Depend on specs.
15076 * fixinc/Makefile.in: Add rule to create machname.h.
15077 (fixlib.o): Depend on machname.h.
15078 * fixinc/fixtests.c (machine_name): New test.
15079 * fixinc/fixfixes.c (machine_name): New fix.
15080 * fixinc/fixlib.c (mn_get_regexps): New helper function for
15081 the machine_name test and fix.
15082 * fixinc/fixlib.h: Prototype it.
15083 * fixinc/inclhack.def (machine_name): Use the C test and fix.
15084 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
15086 * gcc.c (do_spec_1) [case P]: Take care not to create
15087 identifiers with three leading or trailing underscores.
15089 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
15090 (fixincl): Don't specify libraries twice on link line.
15091 (gnu-regex.o): Remove special rule.
15092 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
15093 defined by config.h. Do not define _REGEX_RE_COMP.
15094 (regcomp): Allocate and initialize a fastmap.
15095 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
15097 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
15099 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
15101 2000-01-19 Richard Henderson <rth@cygnus.com>
15103 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
15104 arguments with BB. Update all callers. Tidy line wrapping.
15106 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
15108 * emit-rtl.c (try_split): Return last_insn if we split the
15111 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
15113 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
15114 (ix86_initial_elimination_offset): Declare.
15115 * i386.c (ix86_nsaved_regs): Break out from ...
15116 (ix86_can_use_return_insn_p): ... here.
15117 (ix86_emit_save_regs): Break out from ...
15118 (ix86_expand_prologue): ... here.
15119 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
15121 (ix86_expand_epilogue): ... here.
15122 (ix86_compute_frame_size): Make static, add prototype.
15123 (ix86_initial_elimination_offset): Break out from ...
15124 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
15126 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15128 * recog.h (OUT_FCN): Delete.
15130 * vax.md: Call `get_insn_template' instead of OUT_FCN.
15132 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15134 * cppalloc.c: PROTO -> PARAMS.
15135 * cpperror.c: Likewise.
15136 * cppfiles.c: Likewise.
15137 * cpplib.c: Likewise.
15138 * cpplib.h: Likewise.
15140 * config/arm/arm-protos.h: PROTO -> PARAMS.
15141 * config/arm/arm.c: Likewise.
15142 * config/c4x/c4x.c: Likewise.
15143 * config/fr30/fr30-protos.h: Likewise.
15144 * config/nextstep.c: Likewise.
15145 * config/pa/pa.c: Likewise.
15146 * config/pj/pj.c: Likewise.
15147 * config/rs6000/rs6000.c: Likewise.
15148 * config/v850/v850-protos.h: Likewise.
15149 * config/v850/v850.c: Likewise.
15151 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15153 * i370-protos.h: New file.
15155 * i370.c: Include tm_p.h. Fix compile time warnings.
15157 * i370.h: Move prototypes to i370-protos.h. Fix compile time
15160 * i370.md: Likewise.
15162 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15164 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
15165 (target_isinf, target_isnan, eisnan): Mark parameter with
15167 (eiisinf): Wrap in INFINITY.
15168 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
15169 (ibmtoe): Remove unused variable `rndsav'.
15171 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
15173 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
15174 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
15176 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
15178 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
15179 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
15180 (fix_char_macro_defines, fix_char_macro_uses): New functions.
15182 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
15183 Recognize Emacs mode markers also.
15184 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
15185 C++ comments in C++ headers. Call is_cxx_header only if
15188 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
15189 bypass for ncurses.
15190 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
15191 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
15192 ... these, which use the new C fixes.
15193 (math_exception): Escape literal '+' in bypass expression.
15195 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
15198 2000-01-19 Geoff Keating <geoffk@cygnus.com>
15200 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
15203 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15205 * loop.c (loop_optimize): Allocate loop_info structure for each loop
15206 prior to calling scan_loop.
15208 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
15210 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
15211 (split_branches, calc_live_regs): Likewise.
15213 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
15215 * sh.md (fpu_single, fp_mode): New attributes.
15217 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15219 * loop.c (current_loop_info): Renamed from loop_info_data
15220 and changed to a pointer.
15221 (loop_optimize): Allocate loop_info structure for each loop
15222 and initialise to zero.
15223 (scan_loop): Set current_loop_info.
15225 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
15228 2000-01-19 Richard Henderson <rth@cygnus.com>
15230 * stupid.c: Die die die.
15231 * Makefile.in (OBJS): Remove stupid.o.
15232 (stupid.o): Likewise.
15234 * except.c (emit_eh_context): Don't emit USEs for stupid.
15235 * explow.c (probe_stack_range): Likewise.
15236 * flags.h (obey_regdecls): Remove.
15237 * flow.c (find_basic_blocks): Don't run try_merge_blocks
15238 when not optimizing.
15239 (life_analysis): Limit data collection when not optimizing.
15240 (mark_regs_live_at_end): Always mark the return value registers.
15241 (mark_used_regs): Remove dummy RETURN case.
15242 (print_rtl_with_bb): Don't consult obey_regdecls.
15243 * function.c (use_variable, use_variable_after): Remove.
15244 (assign_parms): Consult optimize not obey_regdecls.
15245 (expand_function_start): Don't emit USEs for stupid.
15246 (expand_function_end): Likewise.
15247 * global.c (build_insn_chain): Export.
15248 * integrate.c (expand_inline_function): Kill return-value USE
15250 * jump.c (jump_optimize_1): Do simple jump optimizations and
15251 dead code elimination.
15252 (calculate_can_reach_end): Remove check_deleted argument.
15253 (delete_insn): Patch out insns even when not optimizing.
15254 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
15255 * rtl.h (use_variable, use_variable_after): Remove declarations.
15256 (build_insn_chain): Declare.
15257 * stmt.c (expand_value_return): Don't emit USEs for stupid.
15258 (expand_end_bindings): Likewise.
15259 (expand_decl): Likewise. Consult optimize not obey_regdecls.
15260 * toplev.c (obey_regdecls): Remove.
15261 (rest_of_compilation): Don't set it. Kill stupid in favour of
15262 flow1, local-alloc, and reload.
15263 (main): Don't set obey_regdecls.
15265 * config/nextstep.c (handle_pragma): Likewise.
15267 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
15269 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
15271 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15273 * alpha-protos.h: PROTO -> PARAMS.
15274 * alpha.c: Likewise.
15276 * h8300.c: Likewise.
15277 * i386-protos.h: Likewise.
15278 * i386.c: Likewise.
15279 * m32r-protos.h: Likewise.
15280 * m32r.c: Likewise.
15281 * mips.c: Likewise.
15282 * mips.md: Likewise.
15283 * gmon-sol2.c: Likewise.
15284 * sparc.c: Likewise.
15286 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15288 * ns32k-protos.h: New file.
15290 * ns32k.c: Fix compile time warnings.
15292 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
15295 * ns32k.md: Likewise.
15297 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15299 * vax-protos.h: New file.
15301 * vax.c: Fix compile time warnings.
15303 * vax.h: Move prototypes to vax-protos.h. Fix compile time
15306 * vax.md: Likewise.
15308 * vaxv.md: Likewise.
15310 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15312 * romp-protos.h: New file.
15314 * romp.c: Fix compile time warnings.
15316 * romp.h: Move prototypes to romp-protos.h. Fix compile time
15319 * romp.md: Likewise.
15321 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15323 * we32k-protos.h: New file.
15325 * we32k.c: Fix compile time warnings.
15327 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
15330 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15332 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
15334 * except.c (eh_regs): Likewise.
15336 * final.c (output_operand): Likewise.
15338 * fold-const.c (target_isinf, target_isnan): Likewise.
15340 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
15342 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
15343 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
15345 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
15346 when optimize_size.
15347 (clrstrsi): Rewrite.
15348 (strsethi, strsetqi): New expanders.
15349 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
15350 (cmpstrsi): Emit compare insn before cmpstrsi_1
15351 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
15352 (strlensi_1): Likewise.
15353 (cmpstrsi_1): Likewise; do not output compare.
15354 (strlen expander): Do not unroll when optimizing for size.
15355 (*subsi3_carry): Rename to subsi3_carry
15356 (addqi3_cc): New pattern.
15357 * i386.h (processor_costs): Add move_ratio field.
15358 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
15359 * i386.c (*_cost): Set move_ratio.
15360 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
15361 (x86_expand_strlensi_1): Rewrite the main loop.
15363 2000-01-17 Richard Henderson <rth@cygnus.com>
15365 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
15366 * cse.c (find_comparison_args, fold_rtx): Likewise.
15367 * integrate.c (subst_constants): Likewise.
15368 * loop.c (get_condition): Likewise.
15370 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
15372 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
15374 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
15376 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
15377 (RESTORE_WARN_FLAGS): Unpack it.
15378 Change semantic type of extension to ttype.
15379 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
15380 * c-parse.y, c-parse.c, objc/objc-parse.y,
15381 objc/objc-parse.c: Regenerate.
15383 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
15385 * fixinc/fixlib.c: Add copyright notice.
15386 (compile_re): New function.
15387 * fixinc/fixlib.h: Prototype compile_re.
15389 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
15390 Use compile_re to compile regular expressions.
15392 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
15393 where the pattern matched.
15395 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
15397 (ultrix_ansi_compat): Likewise.
15398 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
15400 (interactv_add2, interactv_add3): Delete.
15401 (x11_sprintf): Don't use filename glob.
15402 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
15405 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15407 * print-rtl.c: PROTO -> PARAMS.
15408 * real.c: Likewise.
15409 * reg-stack.c: Likewise.
15410 * resource.c: Likewise.
15411 * sdbout.h: Likewise.
15412 * simplify-rtx.c: Likewise.
15413 * stor-layout.c: Likewise.
15414 * stupid.c: Likewise.
15415 * xcoffout.c: Likewise.
15416 * xcoffout.h: Likewise.
15418 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15420 * toplev.c: PROTO -> PARAMS.
15421 * toplev.h: Likewise.
15422 * tree.c: Likewise.
15423 * tree.h: Likewise.
15424 * unroll.c: Likewise.
15425 * varasm.c: Likewise.
15426 * varray.c: Likewise.
15427 * varray.h: Likewise.
15429 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15431 * reload.c: PROTO -> PARAMS.
15432 * reload.h: Likewise.
15433 * reload1.c: Likewise.
15434 * reorg.c: Likewise.
15435 * resource.h: Likewise.
15438 * rtlanal.c: Likewise.
15439 * sbitmap.h: Likewise.
15440 * sdbout.c: Likewise.
15441 * stack.h: Likewise.
15442 * stmt.c: Likewise.
15443 * system.h: Likewise.
15445 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15447 * machmode.h: PROTO -> PARAMS.
15448 * mbchar.h: Likewise.
15449 * mips-tdump.c: Likewise.
15450 * mips-tfile.c: Likewise.
15451 * optabs.c: Likewise.
15452 * output.h: Likewise.
15453 * prefix.c: Likewise.
15454 * profile.c: Likewise.
15455 * protoize.c: Likewise.
15456 * real.h: Likewise.
15457 * recog.c: Likewise.
15458 * recog.h: Likewise.
15459 * regclass.c: Likewise.
15460 * regmove.c: Likewise.
15461 * regs.h: Likewise.
15463 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15465 * ggc-common.c: PROTO -> PARAMS.
15466 * ggc-page.c: Likewise.
15467 * ggc-simple.c: Likewise.
15469 * global.c: Likewise.
15470 * graph.c: Likewise.
15471 * gthr-win32.h: Likewise.
15472 * haifa-sched.c: Likewise.
15473 * halfpic.h: Likewise.
15474 * integrate.c: Likewise.
15475 * integrate.h: Likewise.
15476 * jump.c: Likewise.
15478 * local-alloc.c: Likewise.
15479 * loop.c: Likewise.
15480 * loop.h: Likewise.
15482 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15484 * genattr.c: PROTO -> PARAMS.
15485 * genattrtab.c: Likewise.
15486 * gencheck.c: Likewise.
15487 * gencodes.c: Likewise.
15488 * genconfig.c: Likewise.
15489 * genemit.c: Likewise.
15490 * genextract.c: Likewise.
15491 * genflags.c: Likewise.
15492 * gengenrtl.c: Likewise.
15493 * genopinit.c: Likewise.
15494 * genoutput.c: Likewise.
15495 * genpeep.c: Likewise.
15496 * genrecog.c: Likewise.
15498 2000-01-16 Mark Mitchell <mark@codesourcery.com>
15500 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
15502 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15504 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
15505 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
15506 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
15507 * configure, config.in: Rebuilt.
15509 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
15511 * config/i386/i386.md: Add peephole to merge successive stack
15514 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
15516 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
15517 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
15518 when walking backwards to find all the parameter loads when
15519 the basic block ends in a call.
15521 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15523 * loop.c (this_loop_info): Delete.
15524 (uid_loop): Add in place of uid_loop_num. All uses updated.
15525 (loop_number_exit_count): Delete and replace with entry in loop
15526 structure. All uses updated.
15527 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
15528 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
15529 (loop_outer_loop): Likewise.
15530 (loop_invalid, loop_number_exit_labels): Likewise.
15531 (loop_used_count_register): Delete and replace with entry in
15532 loop_info structure.
15533 (find_and_verify_loops): Add loops argument.
15534 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
15535 loop_end, etc. arguments with loop structure pointer. All callers
15537 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
15538 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
15539 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
15540 (insert_bct): Likewise.
15541 (basic_induction_var): New argument level.
15542 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
15543 vtop, and cont. Add used_count_register.
15544 (uid_loop): Delete declaration.
15545 (loop_number_exit_count): Likewise.
15546 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
15547 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
15548 (loop_outer_loop, loop_used_count_register): Likewise.
15549 (loop_invalid, loop_number_exit_labels): Likewise.
15550 (unroll_loop): Replace loop_start and loop_end arguments
15551 with loop structure pointer.
15552 (loop_precondition_p, loop_iterations): Likewise.
15553 Include basic-block.h.
15554 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
15555 with loop structure pointer.
15556 (loop_precondition_p, loop_iterations): Likewise.
15557 * basic-block.h (struct loop): New entries vtop, cont,
15558 cont_dominator, start, end, top, scan_start, exit_labels,
15560 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
15562 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
15564 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
15566 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
15568 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
15570 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15572 * pdp11-protos.h: New file.
15574 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
15577 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
15580 * pdp11.md: Likewise.
15582 * 2bsd.h: Likewise.
15584 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15586 * mn10300-protos.h: New file.
15588 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
15591 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
15594 * mn10300.md: Likewise.
15596 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15598 * mn10200-protos.h: New file.
15600 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
15603 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
15606 * mn10200.md: Likewise.
15608 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15610 * h8300-protos.h: New file.
15612 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
15615 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
15618 * h8300.md: Likewise.
15620 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15622 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
15623 (asm_emit_uninitialised): Likewise.
15625 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
15627 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
15628 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
15630 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
15632 * config/mips/mips.c (override_options): Don't turn on extra
15633 alignment for mips16.
15635 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
15637 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
15638 eabi, and make sure queued POSTINCREMENT rtl is emitted at
15641 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
15643 * builtins.c (PAD_VARARGS_DOWN): Define.
15644 (std_expand_builtin_va_arg): Use the above macro.
15645 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
15646 * tm.texi (Register Arguments): Document the above macro.
15648 2000-01-14 Nick Clifton <nickc@cygnus.com>
15650 * emit-rtl.c (emit_insn): If checking is enabled, make sure
15651 that this function has not been used to emit a jump
15654 * jump.c (return_jump_1): Cope with being passed a null rtx.
15656 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15658 * eh-common.h: PROTO -> PARAMS.
15659 * emit-rtl.c: Likewise.
15660 * errors.c: Likewise.
15661 * errors.h: Likewise.
15662 * except.c: Likewise.
15663 * except.h: Likewise.
15664 * explow.c: Likewise.
15665 * expmed.c: Likewise.
15666 * expr.c: Likewise.
15667 * expr.h: Likewise.
15668 * final.c: Likewise.
15669 * fix-header.c: Likewise.
15670 * flow.c: Likewise.
15671 * fold-const.c: Likewise.
15672 * function.c: Likewise.
15673 * function.h: Likewise.
15675 * gcov-io.h: Likewise.
15676 * gcov.c: Likewise.
15677 * gcse.c: Likewise.
15679 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15681 * sh-protos.h: New file.
15683 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
15684 Add static prototypes. Fix compile time warnings.
15686 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
15690 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15692 * arc-protos.h: New file.
15694 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
15697 * arc.h: Move prototypes to arc-protos.h. Fix compile time
15700 * arc.md: Likewise.
15702 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15704 * dsp16xx-protos.h: New file.
15706 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
15709 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
15712 * dsp16xx.md: Likewise.
15714 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15716 * convex-protos.h: New file.
15718 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
15721 * convex.h: Move prototypes to convex-protos.h. Fix compile time
15724 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15726 * elxsi-protos.h: New file.
15728 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
15731 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
15734 * elxsi.md: Likewise.
15736 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
15738 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
15739 case for moving from HI/LO/HI_LO_REG. This makes the behavior
15740 match the comment for MIPS16.
15742 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
15744 * flow.c (split_edge): Do not call set_block_for_insn if we
15745 do not have a basic_block_for_insn structure.
15747 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
15748 and destination functions are 32bit aligned within the trampoline.
15749 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
15750 (TRAMPOLINE_ALIGNMENT): Define.
15752 * cse.c (cse_insn): When changing (set (pc) (reg)) to
15753 (set (pc) (label_ref)), verify the change creates a valid insn.
15755 * fr30.c (call_operand): Tighten and rework to match rules for
15756 call RTL expressions.
15757 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
15758 * fr30.md (call patterns): Improve constraints.
15760 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
15762 * fr30.c (fr30_expand_epilogue): Revert last change.
15763 Use emit_jump_insn for the return insn.
15765 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
15766 Stan Cox <scox@cygnus.com>
15768 * predict.c: New file. Preliminary infrastructure work for static
15769 branch prediction and basic block reordering.
15770 * basic-block.h: Add prototype for estimate_probability.
15771 * Makefile.in: Add rules for predict.o.
15773 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
15775 * fixincludes (va_list): Use __not_va_list__ for the dummy.
15776 * fixinc/*: Likewise.
15778 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15780 * cccp.c: PROTO -> PARAMS.
15781 * cexp.y: Likewise.
15782 * collect2.c: Likewise.
15783 * combine.c: Likewise.
15784 * convert.h: Likewise.
15786 * dbxout.c: Likewise.
15787 * dbxout.h: Likewise.
15788 * diagnostic.c: Likewise.
15789 * doprint.c: Likewise.
15790 * dwarf2out.c: Likewise.
15791 * dwarf2out.h: Likewise.
15792 * dwarfout.c: Likewise.
15793 * dwarfout.h: Likewise.
15794 * dyn-string.h: Likewise.
15796 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15798 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
15799 macro conditionals guarding use.
15801 * dwarf2out.c: Include "tm_p.h".
15803 * function.c (locate_and_pad_parm): Mark parameter with
15805 (expand_function_end): Likewise for variable `context'.
15807 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
15809 2000-01-13 Nick Clifton <nickc@cygnus.com>
15811 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
15812 register to prevent compile time warnings.
15814 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
15816 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
15817 to avoid -Wtraditional warning.
15819 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15821 * 1750a-protos.h: New file.
15823 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
15826 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
15829 * 1750a.md: Likewise.
15831 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15833 * a29k-protos.h: New file.
15835 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
15838 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
15841 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15843 * clipper-protos.h: New file.
15845 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
15848 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
15851 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
15853 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
15855 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
15857 * configure.in (--enable-new-gxx-abi): New option.
15858 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
15859 * Makefile.in (GXX_ABI_FLAG): New variable.
15860 * configure: Regenerate.
15862 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15864 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
15865 * tm.texi (FORCE_STRUCT_BLK): Document.
15866 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
15868 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
15870 * config/ns32k/ns32k.md: Revert Jan 9 change.
15872 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
15873 to a mode-test, if the predicate is address_operand.
15875 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
15877 * combine.c (if_then_else_cond): Be careful about what kinds
15878 of RTL expressions are passed to operand_subword.
15880 * flow.c (split_edge): If we have to insert a new jump, make
15881 sure to associate it with a basic block.
15883 * flow.c (commit_one_edge_insertion): A block with one successor
15884 can end in a JUMP_INSN that is not a simplejump.
15886 2000-01-12 Robert Lipe <robertl@sco.com>
15888 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
15889 (BUILD_VA_LIST_TYPE): Define.
15890 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
15893 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
15895 * cccp.c (do_pragma): Add cast to (char *).
15897 2000-01-12 Richard Henderson <rth@cygnus.com>
15898 Fred Fish <fnf@be.com>
15899 Jason Merrill <jason@cygnus.com>
15901 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
15902 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
15903 * i386/beos-elf.h, i386/beos-pe.h: New files.
15905 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
15906 * cross-make (SYSTEM_HEADER_DIR): Define using
15907 CROSS_SYSTEM_HEADER_DIR.
15909 * gcc.c (LIBRARY_PATH_ENV): Provide default.
15910 (process_command): Use it.
15911 (main): Likewise. Kill trailing = from env vars.
15912 (build_search_list): Put it back.
15913 * collect2.c (main): Use LIBRARY_PATH_ENV.
15915 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
15916 * toplev.c: Use NEED_DECLARATION_ENVIRON.
15918 * tm.texi (Frame Layout): Document SMALL_STACK.
15919 * c-common.c (c_common_nodes_and_builtins): Check it.
15921 * system.h: Undef alloca after including glibc's <stdlib.h>,
15922 if USE_C_ALLOCA is defined.
15924 * gcc.c (set_input): New fn.
15925 (main): After all input files are compiled, reset the input file
15928 * aclocal.m4 (rindex, index): If already defined, don't attempt
15931 * ginclude/varargs.h: (__va_list__): Define ifndef.
15932 * ginclude/stdarg.h: Likewise.
15934 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
15935 instead of unsigned char.
15937 * hash.h (true, false, boolean): Undef before enum.
15939 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
15940 proper type of "HOST_WIDE_INT *", rather than their natural type of
15941 "unsigned HOST_WIDE_INT *".
15943 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15945 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
15947 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
15949 * regclass.c (choose_hard_reg_mode): Likewise.
15951 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
15953 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
15955 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15957 * c-common.c: PROTO -> PARAMS.
15958 * c-common.h: Likewise.
15959 * c-decl.c: Likewise.
15960 * c-iterate.c: Likewise.
15961 * c-lang.c: Likewise.
15962 * c-lex.c: Likewise.
15963 * c-lex.h: Likewise.
15964 * c-parse.in: Likewise.
15965 * c-pragma.c: Likewise.
15966 * c-pragma.h: Likewise.
15967 * c-tree.h: Likewise.
15968 * c-typeck.c: Likewise.
15969 * objc/objc-act.c: Likewise.
15970 * objc/objc-act.h: Likewise.
15972 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15974 * m88k-protos.h: New file.
15976 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
15979 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
15981 * m88k.md: Likewise.
15983 * tekXD88.h: Likewise.
15985 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15987 * m68k-protos.h: New file.
15989 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
15992 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
15994 * mot3300.h: Likewise.
15996 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
15998 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
16000 (extract_bitlist): Declare bitlen.
16002 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
16004 * cccp.c: Accept and ignore -lang-fortran.
16006 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
16007 qualifiers don't match at any level of pointerness.
16009 2000-01-12 Robert Lipe <robertl@sco.com>
16011 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
16013 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
16015 * reload1.c (reload_reg_unavailable): New static variable.
16016 (reload_reg_free_p): Test it.
16017 (reload_reg_free_for_value_p): Test it instead of
16019 (choose_reload_regs_init): Compute it.
16021 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
16023 * reorg.c (fill_slots_from_thread): Check modified_in_p
16026 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
16028 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
16029 these nodes even if INTERNALS is not set.
16031 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
16033 * gcse.c (delete_null_pointer_checks_1): Cope when
16034 get_condition cannot determine the condition.
16036 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
16038 * toplev.h (set_message_length): Declare.
16040 * diagnostic.c (obstack_chunk_alloc): Define macro.
16041 (obstack_chunk_free): Likewise.
16042 (struct output_buffer): New data structure.
16043 (vmessage): Remove.
16044 (output_maximum_width): New variable.
16045 (doing_line_wrapping, set_message_length, init_output_buffer,
16046 get_output_prefix, output_space_left, emit_output_prefix,
16047 output_newline, output_append, output_puts, dump_output,
16048 vbuild_message_string, build_message_string, build_location_prefix,
16049 voutput_notice, output_printf, line_wrapper_printf,
16050 vline_wrapper_message_with_location): New functions. Implement
16051 automatic line wrapping.
16052 (v_message_with_decl): Make it handle automatic line wrapping.
16053 (v_error_with_file_and_line): Likewise.
16054 (v_warning_with_file_and_line): Likewise.
16055 (announce_function): Likewise.
16056 (default_print_error_function): Likewise.
16058 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
16060 * cpplib.h (struct cpp_options): Change lang_asm to char.
16062 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
16063 done in cpp_handle_option now.
16064 (initialize_builtins): Take out special case code used only by
16066 (cpp_handle_option): Turn off trigraphs and trigraph warnings
16067 if -traditional. Recognize -lang-fortran and set
16068 lang_fortran, also turn off cplusplus_comments.
16069 (print_help): Document -lang-fortran.
16070 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
16071 lang_asm. Ignore all directives other than `# 123 "file"' if
16073 (cpp_get_token): If -traditional, don't recognize directives
16074 unless the # is in column 1.
16075 (parse_string): If lang_fortran or lang_asm, silently
16076 terminate strings ('' or "") at end of line.
16077 Remove unnecessary braces.
16079 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16080 Richard Henderson <rth@cygnus.com>
16082 * resource.c (mark_referenced_resources): Mark a set strict_low_part
16084 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
16085 strict_low_part when possible.
16087 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16089 * alias.c: PROTO -> PARAMS.
16090 * basic-block.h: Likewise.
16091 * bitmap.c: Likewise.
16092 * bitmap.h: Likewise.
16093 * builtins.c: Likewise.
16094 * c-aux-info.c: Likewise.
16095 * caller-save.c: Likewise.
16096 * calls.c: Likewise.
16098 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16100 * Makefile.in (toplev.o): Depend on regs.h.
16102 * output.h (tdesc_section): Prototype.
16104 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
16106 * sdbout.c: Include "tm_p.h".
16108 * toplev.c: Include "regs.h".
16110 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
16112 * unroll.c (unroll_loop): Add EH support.
16114 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16116 * pa-protos.h: New file.
16118 * pa.c: Include recog.h and tm_p.h.
16119 (compute_zdepwi_operands, compute_movstrsi_length,
16120 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
16121 find_addr_reg, import_milli): Add static prototypes.
16122 (pa_cpu_string, pa_arch_string): Constify a char*.
16123 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
16124 (read_only_operand): Add argument `mode'.
16125 (singlemove_string, output_move_double, output_fp_move_double,
16126 output_block_move, output_and, output_ior, output_ascii,
16127 remove_useless_addtr_insns, milli_names, output_mul_insn,
16128 output_div_insn, output_mod_insn, output_arg_descriptor,
16129 output_cbranch, output_bb, output_bvb, output_dbra, ,
16130 output_millicode_call, output_call, hppa_encode_label,
16131 output_parallel_movb, output_parallel_addb): Constify a char*.
16132 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
16133 (output_parallel_addb): Remove extra arg to `constrain_operands'
16135 * pa.h: Move all prototypes to pa-protos.h.
16136 (pa_cpu_string, pa_arch_string): Constify a char*.
16137 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
16139 * pa.md: Call `function_label_operand' with mode argument.
16140 Likewise for `read_only_operand'.
16141 Fix nesting of parens in call to `symbolic_operand'.
16143 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16145 * i860-protos.h: New file.
16147 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
16150 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
16152 * i860.md: Likewise.
16154 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
16156 * i386.md (movstrsi expander): Rewrite.
16157 (movstrsi_1 insn): Deleted.
16158 (strmovhi, strmovqi expander): New expanders.
16159 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
16160 * i386.c (x86_single_stringop): New global variable.
16161 * i386.h (x86_single_stringop): Declare.
16162 (TARGET_SINGLE_STRINGOP): New macro.
16164 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
16166 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
16167 integer vararg POSTINCREMENT before the destination of the jump
16168 for the hard fp case.
16169 (function_arg_pass_by_reference): Pass a copy of CUM to
16172 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
16173 for CONSTANT_ADDRESS_P above while loop for subreg.
16175 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
16177 * flow.c (propagate_block): When a prologue/epilogue insn
16178 is marked dead, unconditionally clear libcall_is_dead and
16179 insn_is_dead, and only dump rtl if warnings aren't being
16182 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
16184 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
16185 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
16186 (FIXED_REGISTERS): Set dirflag as fixed.
16187 (CALL_USED_REGISTERS): Set dirflag as used.
16188 (REG_ALLOC_ORDER): Set dirflag as last one.
16189 (DIRFLAG_REG): New macro.
16190 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
16191 (HI_REGISTER_NAMES): Add dirflag.
16192 (DEBUF_PRINT_REG): Handle dirflag.
16193 * i386.md (type attribute): New cld and str types.
16194 (length_opcode attribute): Set cld and str to 1.
16195 (memory attribute): Set str to unknown - it is not clear from the
16197 (pent_np function unit): Prefixed string operations takes 12 cycles
16198 minimally; cld takes 2 cycles.
16199 (ppro_uops attribute): Str is "many" and cld is "few".
16200 (ppro_p0 unit): Handle cld here.
16201 (k6_alux unit): Handle cld and str types.
16202 (k6_load unit): It is ocupied by str opcodes.
16203 (k6_store unit): It is ocupied by str opcodes.
16204 (athlon_decode): Str is vector decoded.
16205 (athlon_ieu): Handle str and cld.
16206 (cld pattern): New.
16207 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
16208 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
16209 cmpstrsi_nz_1 insn): Do not output cld instruction
16211 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
16213 * gcc.texi (G++ and GCC): Add Java and Chill.
16214 (Bug Critera): Don't list languages.
16216 * gcc.texi (Incompatibilities): No longer claim most C compilers
16219 * gcc.texi (G++ and GCC): Update other front-ends list.
16221 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
16223 * i386.c (ix86_expand_setcc): Fix typo.
16224 (ix86_expand_movcc): Similarly.
16226 * Band-aid until haifa's bitset implementation is nuked.
16227 * haifa-sched.c (extract_bitlst): New parameter for size of the
16228 bitset in bits. All callers changed. Avoid looking at undefined
16229 bits in the bitset.
16230 (edgeset_bitsize): New variable.
16231 (schedule_region): Initialize edgeset_bitsize.
16233 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16235 * Makefile.in (optabs.o): Depend on real.h
16236 (resource.o): Depend on insn-attr.h
16238 * builtins.c (result_vector): Wrap prototype in macro conditions
16239 governing definition and use.
16241 * c-common.c: Include tm_p.h.
16243 * c-lex.c: Likewise.
16245 * elfos.h: Constify a char*.
16247 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
16248 (get_attr_length, shorten_branches, profile_after_prologue): Mark
16249 parameter with ATTRIBUTE_UNUSED.
16251 * fold-const.c (exact_real_inverse): Wrap variable `i' in
16254 * haifa-sched.c (schedule_insns): Mark parameter with
16257 * optabs.c: Include real.h.
16259 * real.h (ereal_atof): Add prototype arguments.
16261 * resource.c: Include insn-attr.h.
16263 * sdbout.c (sdbout_queue_anonymous_type,
16264 sdbout_dequeue_anonymous_types): Wrap in macro
16265 SDB_ALLOW_FORWARD_REFERENCES.
16266 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
16269 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
16271 * stupid.c: Include tm_p.h.
16273 * tree.c (real_value_from_int_cst): Mark parameter with
16276 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16278 * i960-protos.h: New file.
16280 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
16283 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
16285 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16287 * combine.c (expand_field_assignment): Do not discard SUBREGs
16288 while computing nonzero_bits.
16290 2000-01-09 Nick Clifton <nickc@cygnus.com>
16292 * config/arm/arm.c: Fix compile time warnings about signed vs
16293 unsigned constants.
16294 * config/arm/arm.h: Fix compile time warnings about signed vs
16295 unsigned constants.
16297 2000-01-09 Philip Blundell <philb@gnu.org>
16299 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
16300 than `ldm' with only one register.
16301 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
16304 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
16307 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
16309 * config/ns32k/ns32k.md (load or push effective address): Operand 1
16312 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16314 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
16315 assignment used as truth value.
16317 * function.c (assign_temp): Mark parameter `dont_promote' with
16318 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
16319 PROMOTE_FOR_CALL_ONLY.
16321 * genrecog.c (write_subroutine): Mark variable `operands' with
16324 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
16327 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
16328 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
16330 * toplev.c (note_deferral_of_defined_inline_function): Likewise
16333 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16335 * config/c4x.h: Tidy up comments.
16336 * config/c4x.c: Likewise.
16338 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
16340 * fold-const.c (lshift_double, rshift_double): Handle
16341 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
16343 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16345 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
16346 in prepare_function_start().
16348 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
16350 * config/v850/v850.c (expand_epilogue): Interrupt functions no
16351 longer allocate extra stack for function calls.
16353 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16355 * config/c4x/c4x.md (*subqf3_set): Fix typo.
16357 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16359 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
16361 2000-01-07 David Edelsohn <edelsohn@gnu.org>
16363 * rs6000.c (processor_target_table): Add power3 as alias for 630.
16364 * aix43.h: Revert Aug 2 change.
16365 (HAS_INIT_SECTION): Define, not visible yet.
16366 (LD_INIT_SWITCH): Define, not visible yet.
16367 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
16369 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
16371 * collect2.c (main): Expand ld2 size further.
16372 (export_object_lst): Cast assignment to avoid warning.
16373 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
16374 (scan_prog_file, COFF): Do not collect initialization or
16375 finalization functions generated for entire shared object if
16376 init/fini support present.
16378 2000-01-07 Nick Clifton <nickc@cygnus.com>
16380 * config/elfos.h: Tidy up formatting of marcos. Make sure
16381 that .section directives are always prefixed by a tab.
16383 * config/svr4.h: Add #include "elfos.h" and remove duplicate
16386 2000-01-07 Matt Austern <austern@sgi.com>
16388 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
16391 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
16393 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
16395 (crtbegin.o, s-crtS): Likewise.
16397 2000-01-06 Richard Henderson <rth@cygnus.com>
16399 * alpha.md (adddi_2+1): Limit offset such that it will be
16400 loadable with a single ldah+lda pair.
16401 (adddi_2+2): Explicitly fail split if we can't make it work.
16403 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
16405 * protoize.c: Conditionally include unistd.h.
16406 (IS_SAME_PATH_CHAR): New macro.
16407 (IS_SAME_PATH): New macro.
16408 (CPLUS_FILE_SUFFIX): New macro.
16409 (cplus_suffix): New static variable.
16410 (is_abspath): New static function.
16411 (in_system_include_dir): Handle DOS style pathnames.
16412 (file_could_be_converted): Likewise.
16413 (file_normally_convertible): Likewise.
16414 (directory_specified_p): Likewise.
16415 (file_excluded_p): Likewise.
16416 (abspath): Likewise.
16417 (shortpath): Likewise.
16418 (referenced_file_is_newer): Likewise.
16419 (save_def_or_dec): Likewise.
16420 (do_processing): Likewise.
16422 (edit_file): Likewise. Use rename instead of link.
16423 (rename_c_file): Likewise. Don't rename syscalls file.
16424 (munge_compile_params): Define null device for DOS based systems.
16425 (process_aux_info_file): Use binary mode if appliable.
16426 (edit_file): Likewise.
16427 * invoke.texi (Running Protoize): Document C++ suffixes used.
16429 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
16430 IS_DIR_SEPARATOR macros.
16431 * collect2.c: Likewise.
16432 * cppinit.c: Likewise.
16433 * dwarf2out.c: Likewise.
16435 * gcov.c: Likewise.
16436 * prefix.c: Likewise.
16438 * toplev.c: Likewise.
16439 * system.h: And move to here.
16441 * prefix.c (update_path): Fix typo in variable name.
16443 2000-01-06 Richard Henderson <rth@cygnus.com>
16445 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
16446 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
16447 (count_reg_sets_1, count_reg_references): Likewise.
16448 (flow_loops_level_compute): Start counting actual loop depth at 1.
16449 (flow_loops_find): Likewise.
16450 * local-alloc.c (update_equiv_regs): Likewise.
16451 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
16453 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
16455 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
16456 FIRST_PSEUDO_REGISTER
16457 * dwarf2out.c: Don't include frame.h
16458 * dwarfout.c: Likewise
16459 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
16462 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
16464 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
16467 * i386.c (movsf splitter): Fix typo in my last checkin.
16469 2000-01-05 Nick Clifton <nickc@cygnus.com>
16471 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
16472 own definition of this macro.
16473 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
16474 flag_data_sections or UNIQUE_SECTION_P are true.
16476 * tm.texi (UNIQUE_SECTION): Document that it can be called for
16477 unitialised data decls.
16479 * config/i386/winnt.c (i386_pe_unique_section): Cope with
16480 being called for uninitialised data.
16482 * config/i386/interix.c (i386_pe_unique_section): Cope with
16483 being called for uninitialised data.
16485 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
16486 for uninitialised data.
16488 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
16489 for uninitialised data.
16491 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
16492 for uninitialised data.
16494 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
16495 (UNIQUE_SECTION_P): Always generate a unique section if
16496 flag_data_sections is true.
16497 (UNIQUE_SECTION): Also generate unique sections for
16498 uninitialised data.
16499 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
16500 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
16503 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16505 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
16508 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16510 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
16511 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
16512 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
16513 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
16514 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
16516 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
16518 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
16520 * c-decl.c (finish_enum): Simplify code to determine minimum and
16521 maximum values of the enum, and calculate the type. Remove check
16522 for FUNCTION_DECLs in the values list, which cannot happen. Replace
16523 the DECL_INITIAL of each enumeration constant with a copy converted
16524 to the enumeration type. When updating variant types, don't bother
16525 updating the type itself.
16527 * c-typeck.c (build_binary_op): Simplify conditional expressions
16528 when weeding out spurious signed-unsigned warnings. Add new
16529 spurious warning category: if the unsigned quantity is an enum
16530 and its maximum value fits in signed_type(result_type). Update
16532 (build_conditional_expr): Warn here if one alternative is signed
16533 and the other is unsigned.
16535 2000-01-05 Nick Clifton <nickc@cygnus.com>
16537 * config/fr30/fr30.h: Remove extraneous comments.
16539 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
16541 * reload1.c (choose_reload_regs): When disabling a reload, also
16542 set reload_spill_index to -1.
16544 2000-01-04 Joel Sherrill (joel@OARcorp.com>
16546 * configure.in (m68*-*-rtemscoff*): New target, formal name for
16548 (m68*-*-rtemself*): New target.
16549 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
16550 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
16551 (sparc*-*-rtemself*): New target.
16552 (sparc*-*-rtems*): Now elf not a.out.
16553 * config/i386/rtems.h: Include config/rtems.h.
16554 * config/i386/rtemself.h: Include config/rtems.h.
16555 * config/i960/rtems.h: Include config/rtems.h.
16556 * config/m68k/rtems.h: Include config/rtems.h.
16557 * config/m68k/rtemself.h: Include config/rtems.h.
16558 * config/mips/rtems64.h: Include config/rtems.h.
16559 * config/pa/rtems.h: Include config/rtems.h.
16560 * config/rs6000/rtems.h: Include config/rtems.h.
16561 * config/sh/rtems.h: Include config/rtems.h.
16562 * config/sh/rtemself.h: Include config/rtems.h.
16563 * config/sparc/rtems.h: Include config/rtems.h.
16564 * config/sparc/rtemself.h: Include config/rtems.h
16566 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
16568 * final.c (shorten_branches): Correctly compute length of
16569 asms without operands.
16571 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
16573 * configure.in: Add pj target.
16574 * configure: Regenerate.
16575 * config/pj: New directory.
16576 * config/pj/lib1funcs.S: New file.
16577 * config/pj/linux.h: New file.
16578 * config/pj/pj.c: New file.
16579 * config/pj/pj.md: New file.
16580 * config/pj/pjl.h: New file.
16581 * config/pj/t-pj: New file.
16582 * config/pj/xm-pj.h: New file
16584 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
16586 * toplev.c (rest_of_compilation): Run shorten-branches before
16589 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16591 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
16592 macros so that they're consistent with their names.
16593 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
16594 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
16596 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16598 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
16599 modified inadvertently.
16601 2000-01-04 Joel Sherrill <joel@OARcorp.com>
16603 * configure.in (v850*-*-rtems*): New target.
16604 * configure: Regenerate.
16605 * config/v850/rtems.h: New file.
16607 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
16609 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
16610 (__gthread_key_create): Likewise.
16611 (__gthread_key_dtor): Likewise.
16612 (__gthread_once): Fix logic.
16613 (__gthread_key_delete): Cast away constness.
16615 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
16616 * invoke.texi: Document.
16617 * i386/mingw32.h (CPP_SPEC): Use.
16618 (LIBGCC_SPEC): Likewise.
16619 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
16621 2000-01-04 David Edelsohn <edelsohn@gnu.org>
16623 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
16624 (HANDLE_PRAGMA_PACK): Undefine.
16625 (SLOW_UNALIGNED_ACCESS): Define.
16627 2000-01-04 David Edelsohn <edelsohn@gnu.org>
16629 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
16630 to default definition.
16631 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
16632 (store_fixed_bit_field): Call macro with word_mode and alignment.
16633 (extract_bit_field): Call macro with relevant mode and alignment.
16634 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
16635 to default definition.
16636 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
16638 (move_by_pieces_ninsns): Likewise.
16639 (clear_by_pieces): Likewise.
16640 (emit_push_insn): Likewise.
16641 (store_field): Call macro with relevant mode and alignment.
16642 (expand_expr): Likewise.
16643 (expand_expr_unaligned): Likewise.
16645 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
16646 (SLOW_UNALIGNED_ACCESS): Define.
16647 (CASE_VECTOR_MODE): Always use 32-bit offsets.
16648 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
16649 (EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
16650 (toc_section): Likewise and .toc pseudo-op.
16651 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
16653 (TEXT_SECTION_ASM_OP): Likewise.
16654 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
16657 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
16658 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
16659 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
16660 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
16661 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
16663 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
16665 * regclass.c: Revert my Jan 4 change to loop cost computation.
16667 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
16669 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
16672 2000-01-04 Stan Cox <scox@cygnus.com>
16674 * haifa-sched.c (build_control_flow): Change unreachable simple
16675 loop test to check if current block has only one predecessor.
16676 (find_rgns): Initialize degree. Use dest as degree index, not src.
16678 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16680 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
16682 * calls.c (expand_call): Likewise for
16683 `old_stack_arg_under_construction'.
16685 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
16687 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
16690 * gcc.c (execute): Likewise for `ut' and `st'.
16692 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
16694 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
16696 * jump.c (jump_optimize_1): Likewise for `temp2'.
16698 * local-alloc.c (block_alloc): Likewise for `r1'.
16700 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
16702 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
16703 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
16705 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
16708 * reload.c (find_reloads): Likewise for `goal_alternative_number'
16709 and `goal_earlyclobber'.
16711 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
16713 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
16715 * stupid.c (stupid_life_analysis): Likewise for `chain'.
16717 * unroll.c (copy_loop_body): Likewise for `copy'.
16719 * varasm.c (output_constructor): Likewise for `byte'.
16721 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
16723 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
16724 all FP constants for constant->reg moves.
16725 (ix86_split_to_parts): Try to convert memory address into immediate
16726 when available in the constant pool.
16727 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
16729 (LEGITIMATE_CONSTANT_P): Return 1.
16730 * i386.md (pushsf): New splitter to convert constant pool memory
16731 reference to immediate.
16732 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
16735 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
16737 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
16738 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
16739 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
16740 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
16741 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
16743 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
16745 * ginclude/stdbool.h: Support compilation as C++.
16747 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
16749 * fold-const.c (make_range): Don't try to reverse an unbounded range.
16751 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
16753 * regclass.c (regclass): Properly compute loop_cost. Adjust
16756 * regclass.c: Fix minor whitespace problems.
16758 2000-01-03 Anthony Green <green@cygnus.com>
16760 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
16761 Restore the pic register if required.
16763 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
16765 * c-common.c (format_char_info): Update comment.
16766 (check_format_info): Recognize 'z' modifier in the same way 'Z'
16767 was recognized. Emit warning for formats new in ISO C99 only
16768 if flag_isoc9x is not set.
16770 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
16772 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
16774 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
16776 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
16777 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
16778 (make_compound_operation): Choose cheaper alternative between
16779 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
16781 * regclass.c (op_costs): Remove global variable.
16782 (record_reg_classes): New parameter "op_costs" and "reg_pref".
16783 (record_operand_costs): Break out from ...
16784 (scan_one_insn): ... here.
16785 (dump_regclass): Make dumps nicer.
16786 (regclass): Dump preferrences choosed and changes done during passes.
16788 2000-01-03 Jakub Jelinek <jakub@redhat.com>
16790 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
16792 2000-01-03 Jakub Jelinek <jakub@redhat.com>
16794 * config/sparc/sparc.c (gen_df_reg): New function.
16795 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
16796 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
16797 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
16798 movtf_cc_reg_sp64+1): Use it.
16800 2000-01-02 Mark Mitchell <mark@codesourcery.com>
16802 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
16803 copied LABEL_DECLs.
16805 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
16807 * config/i386/i386.c (ix86_expand_unary_operator): Function
16808 definition made void.
16809 (ix86_expand_binary_operator): Update outdated preceding comment.
16810 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
16813 * config/i386/i386.c (override_options): Fix option-name typo.
16815 2000-01-02 Mark Mitchell <mark@codesourcery.com>
16817 * system.h (CEIL): Define.
16818 * builtins.c (CEIL): Remove.
16819 * expmed.c (CEIL): Likewise.
16820 * expr.c (CEIL): Likewise.
16821 * stor-layout.c (CEIL): Likewise.
16823 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
16825 * expr.c (store_constructor_field): Fix typo introduced with last
16828 2000-01-01 Mark Mitchell <mark@codesourcery.com>
16830 * tree.h (BINFO_N_BASETYPES): New macro.
16832 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
16834 * expmed.c (emit_store_flag): Prevent losing a pending stack
16835 adjust the same way we prevent losing queued increments.
16837 See ChangeLog.2 for earlier changes.