1 2000-09-25 Richard Henderson <rth@cygnus.com>
3 * expmed.c (store_bit_field): Adjust last change to not consider
4 any word-sized field naturally aligned.
6 2000-09-24 Richard Henderson <rth@cygnus.com>
8 * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
9 TFmode unordered compares properly. Revalidate integer compare
11 (alpha_emit_setcc): New.
12 (alpha_emit_conditional_move): Revalidate integer compare operands.
13 * config/alpha/alpha-protos.h: Update.
14 * config/alpha/alpha.md (cmpdi): Allow general operands.
15 (sne): Use alpha_emit_setcc.
16 (seq, slt, sle, sgt, sge, sltu, sleu, sgtu, sgeu): Likewise.
17 (sunordered, sordered): New.
19 2000-09-24 Richard Henderson <rth@cygnus.com>
21 * config/ia64/ia64-protos.h: Update.
22 * config/ia64/ia64.c (call_multiple_values_operation): Remove.
23 (ia64_expand_call): New.
24 (ia64_expand_prologue): Emit an alloc if we need extra input
26 (ia64_expand_epilogue): New arg sibcall_p; don't emit the return
28 (struct reg_flags): Add is_sibcall.
29 (rtx_needs_barrier): A sibcall does not use CFM et al. Ignore USEs.
30 (emit_insn_group_barriers): Set flags.is_sibcall. Remove hacks
31 for CODE_FOR_gr_spill_internal/CODE_FOR_gr_restore_internal.
32 * config/ia64/ia64.h (PREDICATE_CODES): Update.
33 * config/ia64/ia64.md (call): Use ia64_expand_call.
34 (call_value): Likewise.
35 (sibcall, sibcall_value): New.
36 (call patterns): Remove extra expanders; tidy.
37 (sibcall_epilogue): New.
38 (set_bsp): Remove the extra USE. Put the operand inside the UNSPEC.
40 2000-09-24 Richard Henderson <rth@cygnus.com>
42 * emit-rtl.c (gen_lowpart_common): Use trunc_int_for_mode.
44 * sibcall.c (skip_pic_restore): New.
45 (identify_call_return_value): Use it.
47 2000-09-24 Mark Mitchell <mark@codesourcery.com>
49 * c-tree.texi: Moved here from cp/ir.texi. Documented nested
50 functions. Generalize to handle both C and C++.
51 * Makefile.in (c-tree.info): New target.
52 (info): Add c-tree.info.
54 Sun Sep 24 09:15:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
56 * expr.c (store_field): If BITSIZE is negative, use size of type.
57 (expand_expr, case COMPONENT_EXPR): Likewise.
59 Sun 24-Sep-2000 11:40:23 BST Neil Booth <NeilB@earthling.net>
61 * cpplex.c: Update TODO comment.
62 * cpplib.c (do_error, do_warning): Merge common code of
63 do_error and do_warning into do_diagnostic. Use it.
64 (do_diagnostic): New function.
65 * cpplib.h: Fix comment typo.
67 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
69 * c-common.c (check_format_info): Warn for a wide character string
70 used as a non-wide format argument.
72 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
74 * builtins.def (BUILT_IN_LLABS): Add.
75 * builtins.c (expand_builtin): Also abort on BUILT_IN_LLABS.
76 * c-common.c (c_common_nodes_builtins): Create builtin functions
77 __builtin_llabs, and plain llabs unless no_nonansi_builtins
79 (expand_tree_builtin): Handle BUILT_IN_LLABS.
81 Sat 23-Sep-2000 22:39:18 BST Neil Booth <NeilB@earthling.net>
83 * cpphash.h (CPP_RESERVE, CPP_PUTS_Q, CPP_PUTS, CPP_PUTC_Q,
84 CPP_PUTC, DUMMY_TOKEN, NO_DUMMY_TOKEN): Delete.
85 * cpplex.c (_cpp_expand_token_space, _cpp_init_toklist,
86 _cpp_free_toklist): No need to worry about extra dummy token
87 at the start of token lists any more.
88 (trigraph_ok): Only warn outside comments.
89 (skip_block_comment): Set and clear lexing_comment.
90 (skip_line_comment): Take a cpp_reader not cpp_buffer.
91 Set and clear lexing_comment.
92 (parse_number): Handle leading '.' indicated by pfile->seen_dot.
93 (check_long_token): Delete.
94 (lex_percent, lex_dot): New subroutines of lex_token to
95 handle lexing of '.' and '%' without lookback.
96 (lex_token): Use lex_dot and lex_percent.
97 (lex_line): Don't check for LIST_OFFSET.
98 (_cpp_init_input_buffer): Update for new _cpp_init_toklist.
99 * cpplib.c (_cpp_parse_assertion): Similarly.
100 (cpp_push_buffer): Initialize extra_char.
101 * cpplib.h (LIST_OFFSET): Delete.
102 (struct cpp_buffer): New member extra_char.
103 (struct lexer_state): New members lexing_comment and seen_dot.
105 2000-09-23 Jason Merrill <jason@redhat.com>
107 * config/rs6000/x-aix41 (CLIB): Define here.
108 * config/rs6000/t-aix43: Not here.
109 * config/rs6000/t-aix41: Or here. Remove.
110 * configure.in: Don't use it.
112 2000-09-22 Jason Merrill <jason@redhat.com>
114 * configure.in: Add test for HAVE_LD_DWARF_LINKONCE.
115 * toplev.c: Use it to initialize flag_eliminate_dwarf2dups.
116 * config.in: Regenerate.
118 * configure.in: Fix checks for assembler features when using a
119 one-tree assembler that has not yet been built.
120 Fix --disable-threads.
122 2000-09-19 Geoff Keating <geoffk@cygnus.com>
124 * stmt.c (expand_asm_operands): Allow # in constraints.
126 2000-09-22 Jason Merrill <jason@redhat.com>
128 * c-lex.c (skip_white_space): Just treat CRs as horizontal whitespace.
130 * dbxout.c (dbxout_symbol_name): Just use DECL_NAME for
131 function-local names.
133 2000-09-22 Brad Lucier <lucier@math.purdue.edu>
134 Mark Mitchell <mark@codesourcery.com>
136 * toplev.c (warn_disabled_optimization): Declare new warning flag.
137 * flags.h (warn_disabled_optimization): Add it here.
138 * gcse.c (gcse_main): Add warning when disabled.
139 * invoke.texi: Document -Wdisabled-optimization.
141 2000-09-21 Jason Merrill <jason@redhat.com>
143 * dwarf2out.c (add_const_value_attribute): Multiply by length, not 4.
145 * dwarf2out.c (tree_add_const_value_attribute): New fn.
146 (gen_variable_die): Call it for non-definitions.
148 * dwarf2out.c (die_struct): Add die_mark field.
149 (mark_dies, unmark_dies): New fns.
150 (clear_die_sizes): Remove.
151 (print_die): Check die_symbol rather than die_offset.
152 (build_abbrev_table, output_pubnames, output_aranges): Check
153 die_mark rather than die_offset.
154 (output_comp_unit): Move calc_die_sizes after build_abbrev_table.
157 Thu 21-Sep-2000 18:19:05 BST Neil Booth <NeilB@earthling.net>
159 * cppfiles.c (lookup_include_file): Rename to open_file.
160 Always create a splay tree value, even on syscall failures.
161 Negative entries indicated by fd == -2.
162 Re-open files closed in the meantime.
163 (_cpp_fake_include): Create a negative splay tree entry.
164 (find_include_file, cpp_read_file): Update for function name
166 * gcc.gd/cpp/mi4.c: Testcase.
168 2000-09-21 Nick Clifton <nickc@redhat.com>
170 * config/arm/t-arm-elf (MULTILIB_DIRNAMES): Enable multilibs for
173 * config/mcore/mcore.c: Fix compile time warnings.
174 * config/mcore/mcore-protos.h: Fix compile time warnings.
176 2000-09-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
178 * configure.in: Correct test of gcc_cv_glibc.
179 * configure: Rebuilt.
180 * config.in: Rebuilt.
182 2000-09-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
184 * builtins.c (expand_builtin_fputs): Also expand when length!=1.
185 (expand_builtin): Handle BUILT_IN_FWRITE.
187 * builtins.def (BUILT_IN_FWRITE): New entry.
189 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_fwrite.
191 Wed Sep 20 15:39:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
193 * gcc.c (modify_target): New variable and struct.
194 (process_command): Handle MODIFY_TARGET_NAME.
195 * tm.texi (MODIFY_TARGET_NAME): Add documentation for new macro.
196 * config/pa/pa.h (MODIFY_TARGET_NAME): New macro.
198 * c-decl.c (finish_decl): Add else's to avoid referencing
199 TYPE_DOMAIN of an ERROR_MARK.
201 Wed Sep 20 21:44:31 2000 Denis Chertykov <denisc@overta.ru>
203 * config/avr/avr.c (adjust_insn_length): Adjust lengths of
206 2000-09-19 Marek Michalkiewicz <marekm@linux.org.pl>
208 * config/avr/avr.md (neghi2): Add alternative for input and output
209 operands in different registers, as in negsi2.
210 (*negsi2): Remove '*' from the name. Use "movw" if available.
212 2000-09-19 Jim Wilson <wilson@cygnus.com>
214 * config/ia64/crtbegin.asm (__dso_handle): Delete use of
215 HAVE_GAS_HIDDEN macro.
217 Tue 19-Sep-2000 22:38:57 BST Neil Booth <NeilB@earthling.net>
219 * cpplex.c (lex_line): Drop the EOF token for unknown
220 directives in assembler.
222 2000-09-19 David Edelsohn <edelsohn@gnu.org>
224 * configure.in: Allow enable_threads_flag value of "aix". Define
225 thread_file as "aix" for AIX 4.3 and above.
226 * configure: Regenerated.
228 * gthr-aix.h: New file.
230 * rs6000/t-aix43: Replace soft-float multilib with pthread.
231 Remove 403 processor multilib match. Fix rios2 processor multilib
234 * rs6000/aix.h (ASM_DECLARE_FUNCTION_NAME): Use function_section
235 to return to appropriate csect.
237 2000-09-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
239 * builtins.c (is_valid_printf_arglist, expand_builtin_printf): New
241 (expand_builtin_fputs): Set `target' parameter for `expand_expr'.
242 (expand_builtin): Handle BUILT_IN_PUTCHAR, BUILT_IN_PUTS and
245 * builtins.def (BUILT_IN_PUTCHAR, BUILT_IN_PUTS, BUILT_IN_PRINTF):
248 * c-common.c (init_function_format_info): Handle __builtin_printf.
249 Set `check_function_format_ptr'.
250 (c_common_nodes_and_builtins): Set `puts_ftype' and
251 `printf_ftype'. Declare __builtin_putchar, __builtin_puts,
252 __builtin_printf and printf.
254 * tree.c, tree.h (check_function_format_ptr): Declare.
256 Tue 19-Sep-2000 18:26:57 BST Neil Booth <NeilB@earthling.net>
258 * cppfiles.c (read_include_file): Take no special action for
261 2000-09-19 Bernd Schmidt <bernds@redhat.co.uk>
263 * final.c (insn_current_reference_address): Use INSN_SHUID of seq
264 rather than that of branch.
265 (shorten_branches): Don't increment insn_current_address twice.
267 Undo most of the Wed Jan 27 23:39:53 1999 patch:
268 * loop.h (struct induction): Delete members derived, ix and last_use.
269 (struct loop_ivs): Delete members first_increment_giv and
271 * loop.c (verify_dominator, find_life_end, cmp_recombine_givs_stats,
272 recombine_givs): Delete functions.
273 (find_and_verify_loops): Don't initialize cont_dominator.
274 (strength_reduce): Lose code to try to find bivs that can be
275 expressed as givs of another biv, and to convert biv increments
277 Lose loop_scan_start variable, always use loop->scan_start.
278 Don't call recombine_givs. Don't handle derived givs.
279 (record_giv): Don't initialize derived and last_use fields.
280 (biv_eliminiation_giv_has_0_offset): Lose code to handle derived
282 * unroll.c (derived_regs): Delete static variable.
283 (unroll_loop): Don't initialize it.
284 (copy_loop_body): Lose code to handle derived givs.
285 (find_splittable_givs): Don't check for givs made from biv
287 Don't set derived_regs.
289 Fix misapplied earlier patch:
290 * config/sh/sh.md (floatsisf_ie): Reenable. Remove explicit reference
292 (floatsisf2): Generate floatsisf_ie by default.
293 (floatsisf_i4): Conditional on TARGET_SH4.
295 (floatsisf2, floatsidf2, extendsfdf2): Also use reg_no_subreg_operand
296 predicate for the expanders.
298 2000-09-19 Richard Henderson <rth@cygnus.com>
300 * config/i386/i386.h (CPP_CPU_SPEC): Define i586 and i686 symbols
301 in addition to pentium and pentiumpro symbols.
302 (CPP_CPU_DEFAULT_SPEC): Likewise.
304 * c-typeck.c (c_expand_asm_operands): Restore the output tree
307 * stmt.c (expand_expr_stmt): Only call warn_if_unused_value
308 if the tree has side effects.
309 (warn_if_unused_value): Do not warn about void constructs.
311 * c-decl.c (poplevel): Invoke warn_about_unused_variables.
313 * unroll.c (copy_loop_body): Update LABEL_NUSES before
316 2000-09-18 Geoff Keating <geoffk@cygnus.com>
318 * combine.c (can_combine_p): Don't substitute an ASM_OPERANDS
321 2000-09-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
323 * Makefile.in (c-common.o): Depend on diagnostic.h.
325 * c-common.c: Include diagnostic.h.
327 (status_warning): New function.
328 (check_format_info, maybe_read_dollar_number, check_format_types,
329 finish_dollar_format_checking, check_function_format): Accept a
330 `status' parameter. All callers changed.
332 * c-common.h (check_function_format): Accept a `status' parameter.
334 * c-typeck.c: Update call to `check_function_format'.
336 2000-09-18 Richard Henderson <rth@cygnus.com>
338 * c-decl.c (c_expand_body): Call mark_varargs before
339 expand_function_start.
341 2000-09-18 Geoff Keating <geoffk@cygnus.com>
343 * config/rs6000/eabi-cn.asm: Use /**/ to delimit comments, not #.
344 * config/rs6000/eabi-ci.asm: Likewise.
346 2000-09-18 Richard Henderson <rth@cygnus.com>
348 * emit-rtl.c (init_emit_once): Initialize const_tiny_rtx
351 2000-09-18 Jim Wilson <wilson@cygnus.com>
353 * unroll.c (loop_iterations): Pass increment to extend_for_giv_value
354 before passing it to fold_rtx_mult_add.
356 * unroll.c (final_giv_value): Pass increment through
357 extend_value_for_giv before passing it to emit_iv_add_mult.
359 * function.c (fixup_var_refs_1, case ZERO_EXTRACT): If we have a
360 paradoxical subreg, then directly substitute the replacement and
363 Mon 18-Sep-2000 22:12:44 BST Neil Booth <NeilB@earthling.net>
365 * cpp.texi: Update documentation, including some clarifications,
366 the treatment of various newline combinations, and space between
367 backslash and newline.
369 Mon Sep 18 21:00:47 2000 J"orn Rennecke <amylaar@redhat.co.uk>
371 * sdbout.c (PUT_SDB_DEF, PUT_SDB_TAG, PUT_SDB_EPILOGUE_END):
372 Replace ASM_OUTPUT_LABELREF with assemble_name.
374 Mon Sep 18 20:26:50 2000 J"orn Rennecke <amylaar@redhat.co.uk>
376 * sh.c (addsubcosts): CONST is not cheap.
377 (find_barrier): For Sh1, take alignment after jumps into account.
379 2000-09-15 Andrew Haley <aph@redhat.com>
381 * toplev.c (rest_of_compilation): Call purge_hard_subreg_sets to
382 remove all SETs of SUBREGs of hard registers.
383 * function.c (purge_hard_subreg_sets): New function.
384 (purge_single_hard_subreg_set): New function.
385 * rtl.h: (purge_hard_subreg_sets): New function.
387 2000-09-18 Richard Henderson <rth@cygnus.com>
389 * config/ia64/ia64-protos.h: Update.
390 * config/ia64/ia64.c (signed_inequality_operator): New.
391 (ia64_expand_compare): New.
392 (ia64_register_move_cost): Handle PR_REGS moves.
393 (ia64_secondary_reload_class): Require a GR when moving to a PR.
394 (struct reg_write_state): Add written_by_and/or.
395 (struct reg_flags): Add is_and/or.
396 (rws_update): Set them.
397 (rws_access_regno): Test them to allow parallel comparisons.
398 (rtx_needs_barrier): Recognize parallel comparisons.
399 (emit_insn_group_barriers): Set prev_insn after a call stop bit.
400 Call recog_memoized; ignore pred_rel_mutex.
401 (emit_predicate_relation_info): Don't call find_basic_blocks here.
402 (ia64_reorg): Do it here instead.
403 * config/ia64/ia64.h: s/CCmode/BImode/g
404 (MODES_TIEABLE_P): Don't tie BImode.
405 (PREFERRED_RELOAD_CLASS): Do not reload operations into AR regs.
406 (CONST_COSTS): Pick sensible values for CONST_INT based on context.
407 (RTX_COSTS): Make multiply 4 insns.
408 (MEMORY_MOVE_COST): New.
409 (PREDICATE_CODES): Update.
410 * config/ia64/ia64.md: s/CCmode/BImode/g
411 (movcci, movbi): New.
412 (andbi3, andcmbi3, iorbi3, iorcmbi3, one_cmplbi2): New.
413 (cmpsi_and_0, cmpsi_and_1, cmpsi_andnot_0, cmpsi_andnot_1): New.
414 (cmpdi_and_0, cmpdi_and_1, cmpdi_andnot_0, cmpdi_andnot_1): New.
415 (tbit_and_0, tbit_and_1, tbit_and_2, tbit_and_3): New.
416 (cmpsi_or_0, cmpsi_or_1, cmpsi_orcm_0, cmpsi_orcm_1): New.
417 (cmpdi_or_0, cmpdi_or_1, cmpdi_orcm_0, cmpdi_orcm_1): New.
418 (tbit_or_0, tbit_or_1, tbit_or_2, tbit_or_3): New.
419 (mulsi, muldi): Use xmpy not xma.
421 (movcc, movcc_internal): Remove.
422 (branch expanders): Use ia64_expand_compare.
423 (setcc expanders): Likewise.
424 (cmov insns): Use move_operand and ia64_move_ok.
425 (pred_rel_mutex): Use unspec not unspec_volatile. Prevent the
426 scheduler from moving it past a use.
427 * config/ia64/build.hacks: Remove.
429 Mon 18-Sep-2000 19:21:35 BST Neil Booth <NeilB@earthling.net>
431 * cpphash.h (HASHSTEP): Take character rather than pointer
433 (_cpp_check_directive, _cpp_check_linemarker): Update prototypes.
435 * cpphash.c (cpp_loookup): Update for new HASHSTEP.
437 * cpplex.c (auto_expand_name_space, trigraph_replace,
438 backslash_start, handle_newline, parse_name, INIT_TOKEN_STR,
439 IMMED_TOKEN, PREV_TOKEN_TYPE, PUSH_TOKEN, REVISE_TOKEN,
440 BACKUP_TOKEN, BACKUP_TRIGRAPH, MIGHT_BE_DIRECTIVE,
441 KNOWN_DIRECTIVE): Delete.
443 (handle_newline, check_long_token, skip_escaped_newlines,
444 unterminated): New functions.
445 (ACCEPT_CHAR, SAVE_STATE, RESTORE_STATE): New macros.
447 (parse_identifier): Was parse_name, new implementation.
448 (skip_line_comment, skip_block_comment, skip_whitespace,
449 parse_number, parse_string, trigraph_ok, save_comment,
450 adjust_column, _cpp_get_line): New implementations.
452 (lex_token): New function. Lexes a token at a time, looking
453 forwards. Contains most of the guts of the old lex_line.
454 (lex_line): New implementation, using lex_token to obtain
456 (cpp_scan_buffer): Use the token's line, not the list's line.
458 * cpplib.c (_cpp_check_directive, _cpp_check_linemarker):
460 (do_assert): Don't bother setting the answer's list's line.
461 (cpp_push_buffer): Initialise new pfile and read_ahead members
462 of struct cpp_buffer.
464 * cpplib.h (cppchar_t): New typedef.
465 (struct cpp_buffer): read_ahead, pfile and col_adjust are
467 (struct lexer_state): New structure that determines the state
468 and behaviour of the lexer.
469 (IN_DIRECTIVE, KNOWN_DIRECTIVE): New macros.
470 (struct cpp_reader): New member "state". Rename
471 multiline_string_line and multiline_string_column. Delete
472 col_adjust, in_lex_line members.
473 (CPP_BUF_COLUMN): Update.
475 2000-09-18 Richard Henderson <rth@cygnus.com>
477 * combine.c (simplify_comparison): Shift a NOT out of a single
480 * combine.c (if_then_else_cond): Canonicalize BImode true to
482 * explow.c (trunc_int_for_mode): Likewise.
484 * combine.c (combine_simplify_rtx): Use gen_unary to distribute
485 the NOT for De Morgan's rule.
486 * simplify-rtx.c (simplify_unary_operation): Simplify a BImode NOT
487 of a comparison to the reverse comparison.
489 * combine.c (try_combine): Allow split to create a single insn.
491 * machmode.def: Add BImode. Add a column for bitsize.
492 * machmode.h (DEF_MACHMODE): Adjust for extra column.
493 (GET_MODE_BITSIZE): Use it.
494 * rtl.c (DEF_MACHMODE): Adjust for extra column.
496 (mode_mask_array): Use bitsize.
497 * combine.c (combine_simplify_rtx): Require inner and outer
498 modes to match on nonzero_bits optimizations.
500 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
502 * reload1.c (forget_old_reloads_1): If a hard reg is stored, clear
503 its entry in spill_reg_store.
504 * config/sh/lib1funcs.ams (movstr_i4 functions): Always compile in.
505 * sh.c (reg_no_subreg_operand): New function.
506 * sh-protos.h (reg_no_subreg_operand): Declare it.
507 * sh.h (PREDICATE_CODES): Add it.
508 * sh.md (floatsisf2_i4, floatsidf2_i, extendsfdf2_i4): Use it for
509 input operand that needs to be in fpul.
510 (fix_truncsfsi2, fix_truncsfsi2_i4): Use register_operand for output.
511 * sh.c (find_barrier): Take into account that machine_dependent_reorg
514 2000-09-18 Alexandre Oliva <aoliva@redhat.com>
516 * config/sh/sh.c (sh_expand_prologue): Mark GOTaddr2picreg as
518 (sh_expand_epilogue): Take the PIC register into account when
519 computing the frame size.
521 * config/sh/sh.c (nonpic_symbol_mentioned_p): Check LABEL_REFs.
522 * config/sh/sh.md (sym_label2reg, symPLT_label2reg): Protect
523 LABEL_REFs with a PIC-safe unspec.
525 2000-09-18 Will Cohen <wcohen@redhat.com>
527 * extend.texi (Zero Length): State that static initializers for
528 zero-length arrays are not allowed.
530 * c-typeck.c (process_init_element): Flag initializers for zero
533 * tree.c (integer_all_onesp): Ignore TREE_INT_CST_HIGH if prec is
534 exactly HOST_BITS_PERWIDE_INT.
536 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
538 * c-common.c (check_format_info): Properly save the argument
539 number and parameter for $ operand number formats in case width
540 and precision arguments are also used. Allow printf width and
541 precision arguments to have operand numbers even if none was
542 specified for the main format, since this is OK for %*.*m. Only
543 object to missing $ operand number if the format used requires an
546 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
548 * c-common.c (format_char_info): Add 'W' flag to comment.
549 (print_char_table, scan_char_table): Use it.
550 (check_format_info): Use the 'W' flag to determine whether a
551 format argument is written into.
553 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
555 * c-common.c (check_format_types): Reorganise and clean up,
556 checking earlier for ERROR_MARKs and making cur_type into its
557 TYPE_MAIN_VARIANT where convenient.
559 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
561 * gcc.c (cpp_options): Add specs for __STDC_HOSTED__.
563 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
565 * optabs.c (emit_libcall_block): Set CONST_CALL_P for the call.
567 * i386-protos.h (ix86_init_builtins, ix86_expand_builtin): Declare.
568 * i386.c (struct builtin_description): New.
569 (bdesc_comi, bdesc_2arg, bdesc_1arg): New arrays.
570 (mmx_reg_operand): Declare MODE arg as unused.
571 (ix86_expand_sse_comi, ix86_expand_sse_compare, safe_vector_operand,
572 ix86_expand_unop1_builtin, ix86_expand_unop_builtin,
573 ix86_expand_binop_builtin, ix86_expand_store_builtin,
574 ix86_init_builtins, ix86_expand_builtin): New functions.
575 * i386.h (ix86_builtins): New enumeration.
576 (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): New macros.
577 * i386.md (attr length_immediate): 0 for mmx/sse types.
578 (attr prefix_0f): 1 for mmx/sse types.
579 (setcc_2): Remove "*" so we get gen_setcc_2.
580 (emms): Account for changed register numbering. Set "memory" attr
582 (sfence): Set "memory" attr to unknown.
584 2000-09-18 Andreas Jaeger <aj@suse.de>
586 * configure.in: Define _GNU_SOURCE only when using the GNU C
588 * configure: Regenerated.
589 * config.in: Regenerated.
591 2000-09-17 Mark Mitchell <mark@codesourcery.com>
593 * cppinit.c (cpp_init): Don't use ANSI prototypes.
594 * flow.c (flow_dump_loop): Likewise.
595 (flow_loops_dump): Likewise.
597 * c-typeck.c (c_start_case): Fix typo.
599 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
601 * c-decl.c (grokdeclarator): Don't give a warning about defaulting
602 to int for plain complex which defaults to complex double. Do
603 warn about defaulting to complex double if pedantic. Warn about
604 complex integer types if pedantic. Warn about complex types if
605 pedantic and not in C99 mode.
606 * c-typeck.c (build_unary_op): If pedantic, warn about use of ~
607 for complex conjugation.
609 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
611 * contrib.texi: Update my entry.
613 Sun Sep 17 18:48:32 2000 Denis Chertykov <denisc@overta.ru>
615 * config/avr/avr.md (mcu_enhanced): New attribute.
616 (mcu_mega): Likewise.
617 (extendhisi2): Use mcu_enhanced.
618 (zero_extendhisi2): Likewise.
619 (call_insn): Use mcu_enhanced and mcu_mega.
620 (call_value_insn): Likewise.
621 (*sbrx_branch): Use mcu_mega.
622 (*sbrx_and_branchsi): Likewise.
623 (*sbrx_and_branchhi): Likewise.
624 (*tablejump_lib): Likewise.
626 Sun Sep 17 10:46:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
628 * alias.c (true_dependence): Allow non-unchanging read to conflict
629 with unchanging write.
631 * expr.c (store_constructor_field): Accept ALIAS_SET arg.
632 (store_constructor): Pass alias_set to it.
634 * c-decl.c (grokdeclarator): Reorder tests to avoid looking at
635 TYPE_MAIN_VARIANT of ERROR_MARK.
636 * c-lex.c (readescape): Avoid using printf syntax we don't recognize.
638 * simplify-rtx.c (simplify_unary_operation): Add cases
639 FLOAT_EXTEND and FLOAT_TRUNCATE to ones that return 0.
641 2000-09-17 Bernd Schmidt <bernds@redhat.co.uk>
643 * expr.h (emit_library_call, emit_library_call_value): Delete
645 * rtl.h (enum libcall_type): New.
646 (emit_library_call, emit_library_call_value): Change fn_type arg to
647 be of type enum libcall_type.
648 * calls.c: Likewise for the function definitions. Several callers
649 throughout changed to use the new enumeration appropriately.
650 (emit_library_call_value_1): Likewise. Put back code to make libcall
651 blocks of equal form, but only use it for the two new higher
654 2000-09-16 Mark Mitchell <mark@codesourcery.com>
656 Convert the C front-end to use function-at-a-time mode.
657 * c-common.h: Include splay-tree.h.
658 (C_DECLARED_LABEL_FLAG): New macro.
659 (struct language_function): Add x_scope_stmt_stack and
660 x_function_name_declared_p.
661 (RECHAIN_STMTS): Move definition.
662 (lang_statment_code_p): Likewise.
663 (lang_expand_stmt): Likewise.
664 (lang_expand_decl_stmt): New variable.
665 (lang_expand_function_end): Likewise.
666 (current_scope_stmt_stack): New function.
667 (add_decl_stmt): Likewise.
668 (add_scope_stmt): Likewise.
669 (mark_stmt_tree): Likewise.
670 (struct c_lang_decl): New structure.
671 (DECL_SAVED_TREE): Define.
672 (c_mark_lang_decl): New function.
673 (c_expand_start_cond): Change prototype.
674 (c_finish_then): New function.
675 (c_finish_else): Likewise.
676 (current_function_name_declared): Remove.
677 (set_current_function_name_declared): Likewise.
678 (mark_c_language_function): Declare.
679 (case_compare): Likewise.
680 (c_add_case_label): Likewise.
681 (c_expand_expr): Likewise.
682 (c_safe_from_p): Likewise.
683 * c-common.c (lang_expand_function_end): New variable.
684 (struct if_elt): Add if_stmt.
685 (c_expand_start_cond): Add the if-statement to the statement-tree,
686 rather than generating RTL.
687 (c_finish_then): New function.
688 (c_expand_start_else): Don't generate RTL.
689 (c_finish_else): New function.
690 (c_expand_expr_stmt): Don't generate RTL.
691 (statement_code_p): Add SCOPE_STMT.
692 (case_compare): New function.
693 (c_add_case_label): Likewise.
694 (mark_stmt_tree): Likewise.
695 (c_mark_lang_decl): Likewise.
696 (mark_c_language_function): Likewise.
697 (c_expand_expr): Likewise.
698 (c_safe_from_p): Likewise.
699 * c-decl.c (c_stmt_tree): New variable
700 (c_scope_stmt_stack): Likewise.
701 (c_function_name_declared_p): Likewise.
702 (lang_expand_expr_stmt): Remove.
703 (poplevel): Don't call output_inline_function for nested
705 (pushdecl): Don't set DECL_CONTEXT for a local declaration of an
707 (redeclaration_error_message): Change means of computing whether
708 or not a function is nested.
709 (lookup_label): Don't call label_rtx.
710 (init_decl_processing): Add more GC roots.
711 (start_decl): Add DECL_STMTs to the statement-tree, rather than
712 calling rest_of_decl_compilation.
713 (finish_decl): Don't call expand_decl.
714 (store_parm_decls): Begin the statement-tree, but don't generate
716 (finish_function): Tie off the statement-tree. Call c_expand_body
718 (c_expand_body): New function.
719 (push_c_function_context): Save more information.
720 (pop_c_function_contxt): Likewise.
721 (copy_lang_decl): Now that we use DECL_LANG_SPECIFIC, copy it.
722 (lang_mark_tree): Mark it.
723 (current_stmt_tree): Adjust.
724 (current_scope_stmt_stack): New function.
726 (set_current_name_declared): Likewise.
727 (c_begin_compound_stmt): Define.
728 (c_expand_decl_stmt): Likewise.
729 * c-lang.c: Include rtl.h and expr.h.
730 (lang_init): Set more language-specific hooks.
731 * c-lex.c: Include expr.h.
732 * c-parse.in: Changes throughout to add statements to the
733 statement-tree, rather than generating RTL after every statement.
734 * c-semantics.c (lang_expand_decl_stmt): Define.
735 (add_decl_stmt): New function.
736 (add_scope_stmt): Likewise.
737 (finish_stmt_tree): Tweak.
738 (genrtl_expr_stmt): Likewise.
739 (genrtl_decl_stmt): Handle local labels, and call
740 lang_expand_decl_stmt if required.
741 (genrtl_for_stmt): Fix line-number handling.
742 (genrtl_case_label): Handle cleanups.
743 (genrtl_asm_stmt): Don't call combine_strings.
744 (genrtl_compound_stmt): Simplify.
745 (expand_stmt): Handle SCOPE_STMTs.
746 * c-tree.h (struct lang_decl): New structure.
747 (C_DECLARED_LABEL_FLAG): Remove.
748 (c_begin_compound_stmt): Declare.
749 (c_expand_decl_stmt): Likewise.
750 (c_expand_start_case): Rename to c_start_case.
751 (c_finish_case): New function.
752 * c-typeck.c (start_init): Tweak setting of
753 constructor_incremental.
754 (c_expand_asm_operands): Tweak error-handling. Add to the
756 (c_expand_return): Add to the statement-tree.
757 (c_expand_start_case): Rename to ...
758 (c_start_case): ... this.
759 (struct c_switch): New type.
760 (switch_stack): New variable.
762 (c_finish_case): New function.
763 * dependence.c: Include expr.h.
764 (enum dependence_type): Change spelling of enumerals.
765 (check_node_dependence): Adjust.
766 * expr.h (lang_safe_from_p): Declare.
767 (safe_from_p): Likewise.
768 * expr.c (lang_safe_from_p): New variable.
769 (safe_from_p): Give it external linkage. Use lang_safe_from_p.
770 * stmt.c (expand_expr_stmt): Avoid clobberring of last_expr_type.
771 * toplev.c (rest_of_decl_compilation): Robustify.
772 * tree.c (contains_placeholder_p): Likewise.
773 * Makefile.in: Update dependencies.
774 * objc/objc-act.h: Adjust calculation of value for dummy_tree_code.
775 * objc/objc-act.c: Include rtl.h, expr.h, and c-common.h.
776 (objc_expand_function_end): New function.
777 (finish_method_def): Use it.
778 (init_objc): Initialize more language-specific hooks.
779 * objc/Make-lang.in: Update dependencies.
781 2000-09-16 Geoffrey Keating <geoffk@cygnus.com>
783 * configure.in: Define macros that affect features before
784 testing for features. Don't define _XOPEN_SOURCE.
785 * configure: Regenerated.
786 * config.in: Regenerated.
788 Sat Sep 16 19:42:50 EDT 2000 John Wehle (john@feith.com)
790 * rtlanal.c (rtx_varies_p): Volatile asms vary.
791 (rtx_unstable_p): Restructure code. Volatile asms
794 Sat Sep 16 14:35:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
796 * function.h (no_debugging_symbols): New field.
797 * integrate.c (save_for_inline): Renamed from save_for_inline_nocopy.
798 Initialize no_debugging_symbols.
799 (output_inline_function): Save and restore write_symbols and set from
800 no_debugging_symbols.
801 * toplev.c (rest_of_compilation): Call save_for_inline.
802 * tree.h: Update comment.
804 * stor-layout.c (place_field): Don't do anything if field or
805 its type are ERROR_MARK.
807 Sat Sep 16 19:14:00 2000 Laurynas Biveinis <lauras@softhome.net>
809 * cppfiles.c (purge_cache): Use munmap only if MMAP_THRESHOLD defined.
810 (read_include_file): Ensure inc->mmaped is initialized.
812 2000-09-16 Richard Henderson <rth@cygnus.com>
814 * cppiles.c (purge_cache): Use PTR not caddr_t.
816 2000-09-16 Hans-Peter Nilsson <hp@axis.com>
818 * gcc.c: In description for %{<S}, say the option removed is -S.
819 * invoke.texi (Spec Files): Ditto.
821 2000-09-16 Andreas Jaeger <aj@suse.de>
823 * configure.in: Always define _GNU_SOURCE to make interfaces
824 visible that were hidden by only defining _GNU_SOURCE.
825 * configure: Regenerated.
827 Sat 16-Sep-2000 08:13:45 BST Neil Booth <NeilB@earthling.net>
829 * cpplex.c (push_macro_context): Set an argument's level after
830 calling parse_args. We could loop infinitely otherwise.
832 2000-09-15 Tom Tromey <tromey@cygnus.com>
834 * configure, config.in: Rebuilt.
835 * configure.in: Check for iconv.h. Define _XOPEN_SOURCE.
837 2000-09-15 Greg McGary <greg@mcgary.org>
839 * cppmacro.c (check_trad_stringification): Check token
840 text pointers against limit before dereferencing.
842 2000-09-15 Joseph S. Myers <jsm28@cam.ac.uk>
844 * c-common.c (format_wanted_type): New structure.
845 (check_format_types): New function.
846 (check_format_info): Pass all checking of types of format
847 arguments, including width and precision arguments, to this new
850 2000-09-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
854 2000-09-15 Jakub Jelinek <jakub@redhat.com>
856 * config/alpha/alpha.c (override_options): ev6 cache latencies
857 from Richard Henderson. Don't allow -mmemory-latency=L0.
859 * config/alpha/alpha.h (TARGET_CPU_EV5, TARGET_CPU_EV6): Define.
860 (TARGET_OPTIONS): Add tune=.
861 (alpha_tune_string): Declare.
862 * config/alpha/alpha.c (override_options): Add cpu_table.
863 Use alpha_cpu_string first to set both alpha_cpu and target_flags
864 and then alpha_tune_string to set alpha_cpu only.
865 Replace tests for PROCESSOR_EV* with TARGET_CPU_EV* tests.
866 * config/alpha/elf.h (ASM_FILE_START): Likewise.
867 * config/alpha/osf.h (ASM_FILE_START): Likewise.
868 * config/alpha/openbsd.h (ASM_FILE_START): Likewise.
870 Fri Sep 15 19:45:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
872 * i386-protos.h (no_comparison_operator, uno_comparison_operator):
874 (ix86_comparison_operator, ix86_cc_mode): Declare
875 * i386.h (CCGC, CCGCO): New modes.
876 (SELECT_CC_MODE): Move offline to ....
877 * i386.c (ix86_cc_mode): .... here; use new modes.
878 (ix86_comparison_operator): New.
879 (fcmov_comparison_operator): Ensure proper mode.
880 (put_condition_mode): More sanity checking.
881 (ix86_match_ccmode): Handle new modes.
882 (ix86_expand_fp_compare): GEU requires CCmode.
883 (ix86_expand_strlensi_unroll_1): Use emit_cmp_and_jump_insn instead of
885 * i386.md (cmp?i_ccz_1): Remove
886 (cmp?i_ccno_1): Use ix86_match_ccmode.
887 (cmp?i_minus_1): New.
888 (cmpsi_1): New expander.
889 (cmpqi_ext_1): Use match_ccmode
890 (cmpqi_ext_3): New expander.
891 (cmpqi_ext_3_insn): Rename from cmpqi_ext_3.
892 (cmpqi_ext_4): Use match_ccmode.
893 (add?i_?): Use match_ccmode.
895 (test?i_ccz_1): Remove
897 (testsi_ccno_1, testqi_ccz_1, testqi_ext_ccno_0): New expander.
898 (testqi_ext_0): Use ix86_match_ccmode.
899 (*xorqi_cc_ext_1): Use ix86_match_ccmode.
900 (xorqi_cc_ext_1): New expander.
901 (shift patterns): Use CCGOCmode for all shifts except for sar.
902 (setcc_?, jcc_?, miv?icc_nic): Use ix86_comparison_operator.
903 (setcc_3, jcc_3, miv?icc_c): Remove.
905 2000-09-15 Will Cohen <wcohen@redhat.com>
907 * dwarf2out.c (add_const_value_attribute): Changed array into a
908 xmalloced object, so it exists after function exit.
909 (free_AT): Added case for dw_val_class_float to free allocated
912 2000-09-15 Kazu Hirata <kazu@hxi.com>
914 * config/i386/i386.md: Fix a comment typo.
915 * gcc.c: Fix formatting.
917 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
919 * optabs.c (emit_libcall_block): If target is a user variable,
920 copy to a temporary first.
921 * expr.c (convert_move): When generating a libcall, make a libcall
923 * calls.c (emit_library_call_value_1): Don't create a libcall
924 sequence here; our caller will in most cases do it.
926 * sh.h (SECONDARY_INPUT_RELOAD_CLASS): Handle moving T, MACL or
928 (SECONDARY_OUTPUT_RELOAD_CLASS): Similar case.
929 * sh.md (reload_outsf): Generate recognizable patterns for
931 (floatsisf2, floatsisf2_ie, floatsisf2_i4, fix_truncsfsi2,
932 fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i, fix_truncdfsi2,
933 fix_truncdfsi2_i, extendsfdf2, extendsfdf2_i4, truncdfsf2,
934 truncdfsf2_i4): Change not to use explicit references to fpul.
935 (floatsisf2_ie): Remove USE of fpscr.
936 (floatsisf2): Change default expansion to match this.
937 (fix_truncsfsi2_i4_2, fix_truncdfsi2_i4 & splitters): Comment out
940 2000-09-15 Richard Henderson <rth@cygnus.com>
942 * expmed.c (store_bit_field): Consider naturally aligned
943 memory for direct reference.
945 2000-09-15 Richard Henderson <rth@cygnus.com>
947 * config/alpha/alpha.c (alpha_expand_unaligned_load): Force all
948 AND addresses into alias set 0.
949 (alpha_expand_unaligned_store): Likewise.
950 (alpha_expand_unaligned_load_words): Likewise.
951 (alpha_expand_unaligned_store_words): Likewise.
953 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
955 * config/sh/sh.h (CPP_SPEC): For -m4-nofpu, define __SH4_NOFPU__.
956 * config/sh/lib1funcs.asm (movstr_i4): Also compile if __SH4_NOFPU__
958 * config/mips/mips.c (mips_va_arg): Args passed by reference have a
959 rsize of UNITS_PER_WORD.
961 Fri 15-Sep-2000 06:49:07 BST Neil Booth <NeilB@earthling.net>
963 * cpplex.c (ON_REST_ARG): Correct the test.
964 (maybe_paste_with_next): Duplicate a token that fail pasting,
965 and clear its PASTE_LEFT flag, so that nested pasting attempts
968 2000-09-14 Richard Henderson <rth@cygnus.com>
970 * calls.c (precompute_register_parameters): Use COSTS_N_INSNS, not 2.
971 * cse.c (rtx_cost): Likewise.
972 * optabls.c (expand_binop): Likewise.
973 (expand_twoval_binop, prepare_cmp_insn): Likewise.
974 * regclass.c (copy_cost): Likewise.
975 * reload1.c (reload_cse_move2add): Likewise.
977 2000-09-14 Joseph S. Myers <jsm28@cam.ac.uk>
979 * c-parse.in (reswords): Add _Complex.
981 2000-09-14 J. David Anglin <dave@hiauly1.hia.nrc.ca>
983 * gcc.1: Delete documentation for -undef preprocessor option.
985 2000-09-14 Alexandre Oliva <aoliva@redhat.com>
987 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
988 STARTFILE_SPEC, ENDFILE_SPEC): Remove define.
989 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
990 Remove undefine before config/elfos.h.
991 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Comment out.
993 2000-09-14 Kazu Hirata <kazu@hxi.com>
995 * invoke.texi (H8/300 Options): Add -ms2600.
996 * config/h8300.c (h8300_init_once): Output an error when -ms2600
998 * config/h8300.h (TARGET_MAC): New.
999 (TARGET_SWITCHES): Add -ms2600 and -mno-s2600.
1000 (CONDITIONA_REGISTER_USAGE): Disable the mac register on any
1001 machine other than H8/S2600.
1002 * config/h8300.md: Accept mac instructions on the H8/S2600 instead
1005 2000-09-14 Alexandre Oliva <aoliva@redhat.com>, Bernd Schmidt <bernds@redhat.co.uk>
1007 * reload.c (find_reloads_address_1): Generate reloads for auto_inc
1008 pseudos that refer to the original pseudos, not only to their
1009 equivalent memory locations.
1011 Thu Sep 14 12:10:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1013 * expr.c (expand_expr, case COMPONENT_EXPR): Copy memory attributes
1014 when making new MEM.
1016 * Makefile.in (LN): Remove duplicate definition.
1018 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
1020 From Joern Rennecke:
1021 * local-alloc.c (update_equiv_regs): If there is no REG_EQUAL note
1022 on an insn and function_invariant_p returns nonzero for the source,
1023 add a REG_EQUAL note.
1025 Thu Sep 14 00:51:57 EDT 2000 John Wehle (john@feith.com)
1027 * alias.c (memrefs_conflict_p): An ADDRESSOF doesn't
1028 conflict with frame_pointer_rtx.
1030 2000-09-13 Kazu Hirata <kazu@hxi.com>
1032 * loop.c: Fix formatting.
1035 2000-09-13 Richard Henderson <rth@cygnus.com>
1037 * config/ia64/ia64.md (divsf3): New.
1038 (divsf3_internal_lat, divsf3_internal_thr): New.
1039 (divdf3, divdf3_internal_lat, divdf3_internal_thr): New.
1040 (divtf3, divtf3_internal_lat, divtf3_internal_thr): New.
1041 (adddf3_trunc, subdf3_trunc, muldf3_trunc): New.
1042 (madddf4_trunc, msubdf4_trunc, nmuldf3_trunc): New.
1043 (nmadddf4_alts, nmadddf4_trunc): New.
1044 (addtf3_truncsf, addtf3_truncdf, subtf3_truncsf): New.
1045 (subtf3_truncdf, multf3_truncsf, multf3_truncdf): New.
1046 (multf3_truncsf_alts, multf3_truncdf_alts): New.
1047 (maddtf4_truncsf, maddtf4_truncdf, maddtf4_alts_truncdf): New.
1048 (msubtf4_truncsf, msubtf4_truncdf, nmultf3_truncsf): New.
1049 (nmultf3_truncdf, nmaddtf4_truncsf, nmaddtf4_truncdf): New.
1050 (nmaddtf4_truncdf_alts): New.
1051 (recip_approx): Don't predicate.
1053 2000-09-13 Richard Henderson <rth@cygnus.com>
1055 * config/ia64/lib1funcs.asm (__divsf3): Protect fnorm.s with p6.
1057 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1059 * flags.h (flag_dump_rtl_in_asm): Declare.
1060 * toplev.c (flag_dump_rtl_in_asm): Define.
1061 (decode_d_option): Set flag_dump_rtl_in_asm and flag_print_asm_name
1062 if -dP is specified.
1063 * rtl.h (print_rtx_head): Declare.
1064 * print-rtl.c (print_rtx_head): Define.
1065 (print_rtx): Print the string pointed to by print_rtx_head
1066 at beginning of each dump line.
1067 (print_rtl): Likewise.
1068 (print_rtl_single): Likewise.
1069 * final.c (final_scan_insn): Dump the insn in the assembly
1071 * gcc.1: Document -dP option.
1072 * invoke.texi (Debugging Options): Likewise.
1074 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1076 * md.texi (Machine Constraints): Document the 68HC11 constraints.
1077 * install.texi (Configurations): Document the 68HC11&68HC12 port.
1078 * invoke.texi (Option Summary, M68hc1x Options): Document the options.
1080 Tue Sep 12 13:51:13 2000 Denis Chertykov <denisc@overta.ru>
1082 * config/avr/avr.h (ASSEMBLER_DIALECT): New macro declared.
1083 * config/avr/avr.md (*movstrqi_insn): Cleanup output template.
1084 (*clrstrqi): Likewise.
1085 (xorhi3,xorsi3,absqi2): Likewise.
1086 (one_cmplhi2,one_cmplsi2): Likewise.
1087 (addsi3): Two stupid constraint alternatives removed.
1088 (extendhisi2): Use `movw' for enhanced avr cores.
1089 (zero_extendhisi2): Likewise.
1091 Wed Sep 13 02:31:23 EDT 2000 John Wehle (john@feith.com)
1093 * alias.c (find_base_term): Use frame_pointer_rtx
1094 when handling an ADDRESSOF.
1096 * cse.c (canon_hash): Handle USE of BLKmode memory.
1097 (cse_insn): Outgoing arguments for a libcall don't
1098 affect any recorded expressions.
1100 2000-09-12 Tom Tromey <tromey@cygnus.com>
1102 * configure, config.in: Rebuilt.
1103 * configure.in: Check for iconv, nl_langinfo, langinfo.h.
1105 2000-09-12 Jakub Jelinek <jakub@redhat.com>
1107 * c-lex.c (lex_string): Use charwidth to compute bytemask.
1108 * expr.c (expand_expr): Don't optimize constant array references
1109 initialized with wide string constants.
1111 2000-09-13 Michael Hayes <mhayes@cygnus.com>
1113 * loop.c (note_set_pseudo_multiple_uses): Correct.
1115 2000-09-12 Jim Wilson <wilson@cygnus.com>
1117 * ifcvt.c (noce_process_if_block): If A and B are the same, and no
1118 else block, and X has side-effects, then fail.
1120 2000-09-12 Greg McGary <greg@mcgary.org>
1122 * config/mips/mips-protos.h
1123 (trap_cmp_op, mips_gen_conditional_trap): New func decls.
1124 * config/mips/mips.h (ISA_HAS_COND_TRAP): New macro.
1125 (PREDICATE_CODES): Add "trap_cmp_op".
1126 * config/mips/mips.c
1127 (trap_cmp_op, mips_gen_conditional_trap): New functions.
1128 * config/mips/mips.md (trap, conditional_trap): New patterns.
1130 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
1132 * flow.c (try_pre_increment_1): Don't do anything to sets of the stack
1135 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1137 * builtins.c (built_in_decls): New array.
1138 (expand_builtin_fputs): New function.
1139 (expand_builtin): Handle BUILT_IN_FPUTC and BUILT_IN_FPUTS.
1141 * builtins.def (BUILT_IN_FPUTC, BUILT_IN_FPUTS): New members.
1143 * c-common.c (c_common_nodes_and_builtins): Handle fputc/fputs.
1145 * tree.h (built_in_decls): New array.
1147 Tue Sep 12 08:53:57 2000 Jeffrey A Law (law@cygnus.com)
1149 * convex.md: Use "+" instead of "=" for outputs wrapped in a
1151 * i370.md, i386.md, ns32k.md, sh.md, vax.md: Likewise.
1153 2000-09-12 Kazu Hirata <kazu@hxi.com>
1155 * haifa-sched.c: Fix formatting.
1157 * genattrtab.c: Fix formatting.
1159 * unroll.c: Fix formatting.
1161 2000-09-12 Bruce Korb <bkorb@gnu.org>
1163 * fixinc/fixfixes.c: make a type for the fix procedure & use it,
1164 remove obsolete code
1165 * fixinc/fixincl.c: Use PARAMS, not _P_. Add no-op default to switch.
1166 * fixinc/fixincl.tpl: make non-exported arrays static scope
1167 * fixinc/fixincl.x: regenerate
1168 * fixinc/fixlib.h: Use PARAMS, not _P_
1169 * fixinc/fixtests.c: make a type for the test proc & use it
1170 * fixinc/server.h: Use PARAMS, not _P_
1172 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1174 * c-typeck.c (process_init_element): Avoid union init warnings on
1175 floating point zero. Don't crash on unions containing structs.
1177 2000-09-12 Alexandre Oliva <aoliva@redhat.com>
1179 * config/sh/sh.h (PREDICATE_CODES): Add CONST_DOUBLE to
1180 general_movsrc_operand, and remove CONST_INT from
1181 general_movdst_operand.
1183 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
1185 * cse.c (approx_reg_cost): If SMALL_REGISTER_CLASSES, return INT_MAX
1186 if a reference to non-fixed hardreg is seen. Otherwise, count hard
1187 regs with a higher cost.
1188 (preferrable): Deal with cases where either cost or regcost is
1190 (cse_insn): Use MAX_COST rather than 10000. Always initialize
1192 (COSTS_N_INSNS): Move definition...
1194 (MAX_COST): New macro.
1195 * loop.c (init_loop): Use COSTS_N_INSNS macro instead of hardcoded
1198 2000-09-11 Mark Mitchell <mark@codesourcery.com>
1200 * c-common.h (genrtl_clear_out_block): Remove.
1201 * c-semantics.c (genrtl_clear_out_block): Remove.
1202 (genrtl_while_stmt): Don't call it.
1203 (genrtl_for_stmt): Likewise.
1205 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
1207 * cppfiles.c: Move all default-#defines to top of file.
1208 (open_include_file): Replace by lookup_include_file.
1209 (read_with_read, read_file): Merged into read_include_file.
1210 (stack_include_file, purge_cache): New functions.
1211 (close_cached_fd): Delete.
1212 (lookup_include_file, read_include_file, _cpp_pop_file_buffer):
1213 Cache the in-memory buffer, not the file descriptor.
1215 * cpphash.h (struct include_file): Add buffer, st, refcnt,
1217 (xcnew): New utility macro.
1218 (DO_NOT_REREAD, NEVER_REREAD): Move up by struct include_file.
1219 * cpplib.h (struct cpp_buffer): Remove mapped field.
1221 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
1223 * cpplex.c (parse_string): Accept backslash space newline as a
1225 (lex_line): Likewise.
1226 (_cpp_get_token): Remove hard limit on macro nesting.
1228 2000-09-12 Philipp Thomas <pthomas@suse.de>
1230 * aclocal.m4 (AM_WITH_NLS): Don't force use of included gettext.
1231 * configure: Rebuilt.
1233 2000-09-13 Michael Hayes <mhayes@cygnus.com>
1235 * flow.c (split_block): Fix update of registers live at
1238 Tue Sep 12 01:51:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
1240 * i386.md (add?i_3, add?i_5): New.
1241 (add?i_4): Rename from add?i_3; Fix compare pattern.
1242 (sub?i_3, xor?i_3, ior?i_3): New.
1244 * genrecog.c (write_tree): Output code to clear insn_extract cache.
1245 * genattrtab.c (write_attr_case): Gen call to extract_insn_cache
1246 instead of extract_insn and extract_constrain_insn_cache instead of
1247 extract_insn and constrain_operands.
1248 * recog.c (extract_insn_cached, extract_constrain_insn_cached):
1250 (extract_insn): Clear which_alternative.
1251 (constrain_operands): Set which_alternative to -1 when failed.
1252 * recog.h (extract_constrain_insn_cached, extract_insn_cached):
1255 2000-09-11 Matthew Hiller <hiller@redhat.com>
1257 * config/h8300/h8300.md (movstrictqi): Changed constraint modifier
1258 on operand 0 to '+'.
1259 (movstricthi): Likewise.
1261 2000-09-12 Michael Hayes <mhayes@cygnus.com>
1263 * loop.h (LOOP_IVS): New macro.
1264 (REG_IV_TYPE, REG_IV_INFO): Add ivs argument.
1265 (struct loop_ivs): New.
1266 (struct loop_info): Add ivs field.
1267 (reg_iv_type, reg_iv_info): Delete prototype.
1268 (reg_biv_class, loop_iv_list): Likewise.
1269 * loop.c (record_biv, find_life_end): Pass loop argument.
1270 (reg_iv_type): Remove global array and use
1271 field in loop_regs structure within loop_ivs structure.
1272 (reg_iv_info, reg_biv_class, loop_iv_list): Likewise.
1273 (first_increment_giv, last_increment_giv): Use entry in
1275 (record_initial): Pass ivs pointer.
1276 * unroll.c (copy_loop_body, remap_split_bivs): Add loop argument.
1278 2000-09-12 Michael Hayes <mhayes@cygnus.com>
1280 * loop.h (LOOP_REGS): New macro.
1281 (struct loop_regs): New.
1282 (struct loop_info): Add regs field.
1283 * loop.c (set_in_loop): Remove global array and store
1284 in loop_regs structure as part of loop_info structure.
1285 (n_times_set, may_not_optimize): Likewise.
1286 (reg_single_usage, moved_once): Likewise.
1287 (count_one_set): Add regs argument.
1288 (combine_movables, rtx_equal_for_loop_p, combine_givs): Likewise.
1289 (set_pseudo_multiple_uses): Pass regs pointer.
1291 2000-09-12 Michael Hayes <mhayes@cygnus.com>
1293 * unroll.c (iteration_info): Subsume into loop_iterations.
1294 * loop.h (loop_info): New field iv.
1296 2000-09-12 Michael Hayes <mhayes@cygnus.com>
1298 * basic-block.h (LOOP_TREE, LOOP_PRE_HEADER, LOOP_EDGES): New.
1299 (LOOP_EXITS_DOMS, LOOP_ALL): Likewise.
1300 (flow_loops_update): New prototype.
1301 (flow_loops_find): Add flags to prototype.
1302 (struct loop): Add `pre_header_root' and `pre_header_trace' fields.
1303 * flow.c (flow_loop_pre_header_scan): New.
1304 (flow_loop_dump): Dump pre-header root and trace and exit dominators.
1305 (flow_loop_free): Free pre-header root and trace and exit dominators.
1306 (flow_loops_find): New argument flags.
1307 (flow_loops_update): New function.
1308 * toplev.c (rest_of_compilation): Add flag argument to flow_loops_find.
1310 2000-09-12 Michael Hayes <mhayes@cygnus.com>
1312 * basic-block.h (split_block, update_bb_for_insn): New prototypes.
1313 * flow.c (split_block, update_bb_for_insn): New functions.
1315 2000-09-11 Richard Henderson <rth@cygnus.com>
1317 * cse.c (fold_rtx): Honor NO_FUNCTION_CSE.
1319 2000-09-11 Richard Henderson <rth@cygnus.com>
1321 * config/ia64/ia64-protos.h (fr_nonimmediate_operand): Declare.
1322 * config/ia64/ia64.c (fr_nonimmediate_operand): New.
1323 (ia64_override_options): Prevent optimizing division for both
1324 latency and throughput.
1325 (rtx_needs_barrier): Handle frcpa.
1326 * config/ia64/ia64.h (MASK_INLINE_DIV_LAT): New.
1327 (MASK_INLINE_DIV_THR, TARGET_INLINE_DIV_LAT): New.
1328 (TARGET_INLINE_DIV_THR, TARGET_INLINE_DIV): New.
1329 (TARGET_SWITCHES): Add -minline-divide-min-latency and
1330 -minline-divide-max-throughput.
1331 (PREDICATE_CODES): Update.
1332 * config/ia64/ia64.md (extendsidi2): Remove * from f case.
1333 (zero_extendsidi2): Likewise. Fix typo in f case insn.
1334 (extendsfdf2): Add cases for gr<->fr and fr<->mem.
1335 (extendsftf2): Likewise.
1336 (extenddftf2): Likewise.
1337 (fix_trunctfdi2_alts): New.
1338 (fixuns_trunctfdi2_alts): New.
1339 (madd*4): Rename from madd*3.
1340 (divsi3, modsi3, udivsi3, umodsi3): New.
1341 (divsi3_internal): New.
1342 (divdi3, moddi3, udivdi3, umoddi3): New.
1343 (divdi3_internal_lat, divdi3_internal_thr): New.
1344 (multf3_alts, maddtf4_alts, nmaddtf4_alts): New.
1345 (recip_approx): New.
1347 2000-09-11 Alexandre Oliva <aoliva@redhat.com>
1349 * print-rtl.c (debug_call_placeholder_verbose): New variable.
1350 (print_rtx) [CALL_PLACEHOLDER]: Dump all call sequences if it is
1352 * integrate.c (copy_rtx_and_substitute): Don't share
1353 LEAF_REG_REMAPpable registers with the inlined function. Don't
1354 share the function value with calling sequences.
1356 2000-09-11 Jakub Jelinek <jakub@redhat.com>
1358 * c-decl.c (do_case): Fix a typo.
1360 * combine.c (simplify_if_then_else): Don't convert a == b ? b : a
1361 to a if the comparison is floating mode and not -ffast-math.
1362 * simplify-rtx.c (simplify_ternary_operation): Likewise.
1364 Mon Sep 11 20:07:48 2000 J"orn Rennecke <amylaar@redhat.co.uk>
1366 * sh.h (INITIALIZE_TRAMPOLINE): Remove stray call to
1367 gen_ic_invalidate_line.
1369 2000-09-11 Philip Blundell <pb@futuretv.com>
1371 * config/arm/elf.h (SUBTARGET_CPP_SPEC): Don't define `arm_elf'.
1373 Mon Sep 11 10:48:41 2000 Ulrich Drepper <drepper@redhat.com>
1375 * install.texi (LANGUAGES): Update to include new languages.
1378 2000-09-11 DJ Delorie <dj@redhat.com>
1380 * gcc.c (main): Don't warn about unused -B prefixes
1381 (unused_prefix_warnings): remove
1383 2000-09-11 Kazu Hirata <kazu@hxi.com>
1385 * final.c: Fix formatting.
1387 * integrate.c: Fix formatting.
1389 2000-09-11 Geoff Keating <geoffk@cygnus.com>
1391 * alias.c (memrefs_conflict_p): An ADDRESSOF does conflict, sorry.
1393 2000-09-11 Bernd Schmidt <bernds@redhat.co.uk>
1395 * reload.c (regno_clobbered_p): Fix thinko in previous change.
1397 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1399 * gcc.1: Document 68hc11 specific options.
1401 2000-09-10 Geoff Keating <geoffk@cygnus.com>
1403 * config/rs6000/sysv4.h (MASK_LONG_DOUBLE_128): Define.
1404 (TARGET_LONG_DOUBLE_128): Define.
1405 (SUBTARGET_SWITCHES): Add -mlong-double-64 and -mlong-double-128.
1406 (LONG_DOUBLE_TYPE_SIZE): Redefine.
1407 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
1408 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on definition
1409 of __LONG_DOUBLE_128__.
1410 (CPP_SYSV_SPEC): Define __LONG_DOUBLE_128__ if -mlong-double-128
1412 (CPP_LONGDOUBLE_DEFAULT_SPEC): Define.
1413 (CPP_SYSV_DEFAULT_SPEC): Define.
1414 (SUBTARGET_EXTRA_SPECS): Add cpp_longdouble_default.
1415 (INIT_TARGET_OPTABS): Define.
1417 * config/rs6000/aix.h (RS6000_ITRUNC): Moved from rs6000.h.
1418 (RS6000_UITRUNC): Likewise.
1419 (INIT_TARGET_OPTABS): New macro.
1420 * config/rs6000/rs6000.c (rs6000_trunc_used): Delete.
1421 (trunc_defined): Delete.
1422 (output_prolog): Don't output .extern definitions for fp->int
1423 conversion routines, ASM_OUTPUT_EXTERNAL_LIBCALL will do it.
1424 * config/rs6000/rs6000.h (rs6000_trunc_used): Delete.
1425 (trunc_defined): Delete.
1426 (RS6000_ITRUNC): Moved to aix.h.
1427 (RS6000_UITRUNC): Likewise.
1428 * config/rs6000/rs6000.md (fix_truncdfsi2): Fail if it would
1429 only emit a libcall.
1430 (fixuns_truncdfsi2): Delete.
1431 (trunc_call): Delete.
1432 (trunc_call_rtl): Delete.
1434 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
1436 * varasm.c (make_decl_rtl): Restore leading star on
1437 DECL_ASSEMBLER_NAME set for decls with an asmspec.
1439 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
1441 * c-pragma.c (handle_pragma_pack): Correct parsing logic so it
1442 won't give a spurious error for '#pragma pack()'. Simplify
1443 control flow for readability. 'reset' action is not necessary.
1445 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
1447 * defaults.h: Provide default definitions for: CHAR_TYPE_SIZE,
1448 SHORT_TYPE_SIZE, INT_TYPE_SIZE, LONG_TYPE_SIZE,
1449 LONG_LONG_TYPE_SIZE, WCHAR_TYPE_SIZE, FLOAT_TYPE_SIZE,
1450 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE, and WCHAR_UNSIGNED.
1452 * cppexp.c, dwarfout.c, dwarf2out.c, emit-rtl.c, final.c, optabs.c,
1453 profile.c, sdbout.c, tradcif.y, tree.c:
1454 Include defaults.h if not already included.
1455 Don't define the above macros.
1457 * Makefile.in: Update dependencies.
1459 2000-09-10 Mark Mitchell <mark@codesourcery.com>
1461 * c-common.h (add_stmt): Change prototype.
1462 (RECHAIN_STMTS): New macro.
1463 (CASE_LABEL_DECL): Likewise.
1464 (genrtl_case_label): Change prototype.
1465 (c_expand_start_case): Remove prototype.
1466 (build_case_label): Change prototype.
1467 (decl_constant_value): Declare.
1468 * c-common.c (check_case_value): Handle C++'s extensions to C
1470 * c-commnon.def (CASE_LABEL): Add room for the CASE_LABEL_DECL
1472 * c-parse.in (stmt): Adjust handling of return statements and case
1474 * c-semantics.c (add_stmt): Return the new statement.
1475 (genrtl_return_stmt): Take the RETURN_STMT as input, not the
1476 returned expression. Directly generate RTL, rather than calling
1478 (genrtl_switch_stmt): Don't call c_expand_start_case.
1479 (build_case_label): Take the LABEL_DECL as input, too.
1480 (genrtl_case_label): Just call add_case_node.
1481 (expand_stmt): Adjust calls to genrtl_return_stmt and
1483 * c-tree.h (c_expand_start_case): Declare.
1484 * c-typeck.c (decl_constant_value): Give it external linkage.
1485 (c_expand_return): Don't call expand_return or expand_null_return;
1486 use genrtl_return_stmt instead.
1487 * stmt.c (struct nesting): Remove num_ranges field.
1488 (add_case_node): Give it external linkage.
1489 (expand_start_case): Don't set num_ranges.
1490 (expand_start_case_dummy): Don't clear it.
1491 (pushcase): Rely on add_case_node to handle `default' labels.
1492 (add_case_node): Handle `default' labels.
1493 * tree.c (tree_int_cst_compare): New function.
1494 * tree.h (tree_int_cst_compare): Declare.
1495 (add_case_node): Likewise.
1497 2000-09-10 Richard Henderson <rth@cygnus.com>
1499 * c-parse.in: Revert last change.
1500 (init_reswords): Do not enter disabled keywords into the ridpointers
1501 table, modulo objc weirdness.
1502 (_yylex): Return the canonical spelling for a keyword.
1504 2000-09-10 Philip Blundell <philb@gnu.org>
1506 * config/arm/arm.h (CPP_ISA_SPEC): Don't define `arm' or `thumb'.
1507 * config/arm/linux-elf.h (CPP_PREDEFINES): Don't define `__arm__'.
1509 Sun Sep 10 14:30:28 EDT 2000 John Wehle (john@feith.com)
1511 * alias.c (find_base_term): Handle ADDRESSOF.
1512 (memrefs_conflict_p): An ADDRESSOF doesn't conflict.
1514 2000-09-10 Denis Chertykov <denisc@overta.ru>
1516 * genoutput.c (output_insn_data): Translate <NEWLINE> to \n\ while
1517 outputting templates with many lines.
1519 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1521 * libgcc2.h: Use LONG_LONG_TYPE_SIZE instead of MIN_UNITS_PER_WORD
1522 to decide whether 64-bit support must be generated.
1524 2000-09-10 Richard Henderson <rth@cygnus.com>
1526 * c-parse.in (asm patterns): Fix volatile check.
1528 2000-09-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1530 * cppmacro.c (check_trad_stringification): New function.
1531 (save_expansion): If -Wtraditional, warn about stringification of
1534 2000-09-11 Michael Hayes <mhayes@cygnus.com>
1536 * loop.h (struct loop_mem_info): Move from loop.c
1537 (struct loop_info): Add fields store_mems, mems, mems_idx,
1538 mems_allocated, unknown_address_altered,
1539 unknown_constant_address_altered, num_mem_sets, and
1540 first_loop_store_insn.
1542 * loop.c (loop_store_mems): Replace with field in loop_info struct.
1543 (loop_mems, loop_mems_idx, loop_mems_allocated): Likewise.
1544 (unknown_address_altered, unknown_constant_address_altered): Likewise.
1545 (num_mem_sets): Likewise.
1546 (replace_loop_mems, replace_loop_regs): New.
1547 (struct loop_replace_args): New.
1548 (load_mems): Use replace_loop_mems.
1549 (try_copy_prop): Use replace_loop_regs.
1550 (replace_loop_reg, replace_loop_mem): Use loop_replace_args structure.
1552 2000-09-09 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1554 * configure.in: Recognize m6811-elf and m6812-elf.
1555 * configure: Regenerate.
1557 2000-09-09 Geoff Keating <geoffk@cygnus.com>
1559 * recog.c (validate_replace_rtx_1): Correct MODE parameter in call
1562 2000-09-10 Michael Hayes <mhayes@cygnus.com>
1564 * loop.c (struct movables): New.
1565 (num_movables): Move into struct movables.
1566 (the_movables): Change type to struct movables.
1567 (ignore_some_movables): Change struct movable arg to struct movables.
1568 (force_movables, combine_movables, regs_match_p): Likewise.
1569 (rtx_equal_for_loop_p, move_movables): Likewise.
1570 (scan_loop): Change movables to be of type struct movables.
1571 Replace last_movable with field in movables structure.
1573 2000-09-08 Zack Weinberg <zack@wolery.cumb.org>
1575 * c-pragma.c: Don't elide entire file if !HANDLE_GENERIC_PRAGMAS.
1576 (init_pragma): Avoid warning if pfile happens to be unused.
1577 * c-pragma.h: Never define HANDLE_GENERIC_PRAGMAS. Never
1578 define init_pragma to nothing. Always prototype
1579 init_pragma. Prototype dispatch_pragma if !USE_CPPLIB.
1581 * c-lex.c (process_directive): Always call dispatch_pragma.
1582 Initialize entering_c_header to 0.
1584 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1586 * config/m68hc11/m68hc11.md: New file, machine description for
1588 * config/m68hc11/m68hc11.h: New file, definitions for 68HC11 & 68HC12.
1589 * config/m68hc11/m68hc11.c: New file, functions for 68HC11 & 68HC12.
1590 * config/m68hc11/m68hc12.h: New file, definitions for 68HC12.
1591 * config/m68hc11/m68hc11-protos.h: New file.
1592 * config/m68hc11/m68hc11-crt0.S: New file, startup code.
1593 * config/m68hc11/t-m68hc11-gas: New file, makefile fragment.
1594 * config/m68hc11/xm-m68hc11.h: New file, target defs.
1595 * config/m68hc11/larith.asm: New file, libgcc routines.
1597 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1599 * Makefile.in (DPBIT_FUNCS): Add _usi_to_df.
1600 (FPBIT_FUNCS): Add _usi_to_sf.
1601 * config/fp-bit.c (usi_to_float): New function.
1602 * config/fp-bit.h (L_usi_to_sf, L_usi_to_df): Define.
1603 (usi_to_float): Add appropriate #define.
1605 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
1607 * i386-protos.h (sse_comparison_operator, mmx_reg_operand): Declare
1609 * i386.c (sse_comparison_operator, mmx_reg_operand): New functions.
1610 * i386.md (attr "type"): Add sse and mmx types.
1611 (attr "memory"): Handle them without a crash.
1612 (movsi_1, movdi_2): Allow MMX regs.
1613 (movdi splits): Don't split moves involving MMX regs.
1614 (setcc_4): Remove '*' from pattern name so we get a gen_setcc4.
1615 (movv4sf_internal, movv4si_internal, movv8qi_internal,
1616 movv4hi_internal, movv2si_internal, movv8qi, movv4hi, movv2si,
1617 movv4sf, movv4si, pushv4sf, pushv4si, pushv8qi, pushv4hi, pushv2si,
1618 sse_movaps, sse_movups, sse_movmskps, mmx_pmovmskb, mmx_maskmovq,
1619 sse_movntv4sf, sse_movntdi, sse_movhlps, sse_movlhps, sse_movhps,
1620 sse_movlps, sse_loadss, sse_movss, sse_storess, sse_shufps,
1621 addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, mulv4sf3, vmmulv4sf3,
1622 divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2, rsqrtv4sf2, vmrsqrtv4sf2,
1623 sqrtv4sf2, vmsqrtv4sf2, sse_andti3, sse_nandti3, sse_iorti3,
1624 sse_xorti3, maskcmpv4sf3, maskncmpv4sf3, vmmaskcmpv4sf3,
1625 vmmaskncmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
1626 smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
1627 cvttps2pi, cvtsi2ss, cvtss2si, cvttss2si, addv8qi3, addv4hi3,
1628 addv2si3, ssaddv8qi3, ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3,
1629 subv4hi3, subv2si3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
1630 mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
1631 mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3, mmx_uavgv8qi3,
1632 mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pextrw, mmx_pshufw,
1633 eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3, gtv2si3, umaxv8qi3,
1634 smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3, ashrv2si3, lshrv4hi3,
1635 lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3, mmx_ashldi3,
1636 mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
1637 mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
1638 mmx_punpckldq, emms, sfence, ldmxcsr, prefetch, stmxcsr, sse_clrti,
1639 mmx_clrdi): New patterns.
1641 2000-09-08 Richard Earnshaw <rearnsha@arm.com>
1643 * arm.c: Don't include tm.h directly.
1645 Fri Sep 8 14:34:56 MET DST 2000 Jan Hubicka <jh@suse.cz>
1647 * recog.c (validate_replace_rtx_1): Fix confusion about equality
1648 testing; simplify subregs of constants and nested subregs.
1650 2000-09-08 Alexandre Oliva <aoliva@redhat.com>
1652 * config/sh/sh.md (symPLT_label2reg): Use operand3 for PIC reg.
1654 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
1656 * combine.c (combine_simplify_rtx): Try to simplify VEC_SELECT of a
1658 * rtl.texi (description of USE): Add note about possible pitfalls
1660 From Richard Henderson:
1661 * reload1.c (choose_reload_regs): Compute need_mode properly.
1663 2000-09-07 Richard Henderson <rth@cygnus.com>
1665 * config/ia64/lib1funcs.asm (__divsi3): Use .s1 for frcpa.
1666 (__modsi3, __umodsi3): Likewise.
1667 (__udivsi3): Likewise. Normalize the TFmode values.
1669 2000-09-07 Geoff Keating <geoffk@cygnus.com>
1671 * config/rs6000/sol-c0.c (_start): Declare `termfunc' parameter
1673 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Use cast to suppress
1676 Fri Sep 8 03:26:38 2000 J"orn Rennecke <amylaar@redhat.co.uk>
1678 * sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): Remove.
1679 (cmpeqdi_t): Add output pattern.
1680 (cmpeqdi_t+1): Don't split when not optimizing.
1681 Restore proper splitting operation.
1683 2000-09-07 Richard Henderson <rth@cygnus.com>
1685 * c-lex.c (process_directive): If not HANDLE_GENERIC_PRAGMAS,
1686 do not call dispatch_pragma.
1688 2000-09-07 Jim Wilson <wilson@cygnus.com>
1690 * reload.c (push_reload): Use CLASS_CANNOT_CHANGE_MODE_P in addition
1691 to CLASS_CANNOT_CHANGE_MODE.
1692 * config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE_P): True only if the
1693 mode classes are different.
1695 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
1697 * cpplib.h (struct cpp_options): Add user_label_prefix member,
1698 left out of commit which removed cppulp.c.
1700 2000-09-07 Richard Henderson <rth@cygnus.com>
1702 * bb-reorder.c (fixup_reorder_chain): Add jump in new block
1703 after switch for CASE_DROPS_THROUGH.
1705 2000-09-07 Richard Henderson <rth@cygnus.com>
1707 * loop.c (strength_reduce): Call check_ext_dependant_givs.
1708 Properly extend the biv initial value for the giv.
1709 (record_biv): Zero ext_dependant.
1710 (record_giv): New argument ext_val. Update all callers.
1711 (general_induction_var): Likewise.
1712 (consec_sets_giv): Likewise.
1713 (simplify_giv_expr): Likewise. Fill in ext_val if we find
1714 a sign-extend, zero-extend, or truncate.
1715 (combine_givs_p): Make sure modes are compatible.
1716 (check_ext_dependant_givs): New.
1717 (extend_value_for_giv): New.
1718 * loop.h (struct induction): Add ext_dependant.
1719 * unroll.c (iteration_info): Extend the biv initial value for the giv.
1720 (find_splittable_givs): Likewise.
1721 (final_giv_value): Likewise.
1723 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
1725 * c-pragma.h: Define HANDLE_GENERIC_PRAGMAS if
1726 REGISTER_TARGET_PRAGMAS is defined. Duplicate some
1727 definitions from cpplib.h.
1728 * cpplib.h: Don't typedef struct cpp_reader if c-pragma.h has
1730 * tm.texi: Document HANDLE_PRAGMA as no longer supported. Add
1731 documentation for REGISTER_TARGET_PRAGMAS.
1733 * c-lex.c: Include cpplib.h before c-pragma.h. Define a
1734 default-pragma callback to implement -Wunknown-pragmas if
1736 * c-parse.in: Move all includes to top of file.
1737 * c-pragma.c: Include cpplib.h before c-pragma.h. Include
1739 (dispatch_pragma): Put the namespace in the -Wunknown-pragmas
1741 (init_pragma): If REGISTER_TARGET_PRAGMAS is defined, call it.
1743 * arm.h, arm-protos.h, arm.c,
1744 c4x.h, c4x-protos.h, c4x.c,
1745 h8300.h, h8300-protos.h, h8300.c,
1746 i370.h, i370-protos.h, i370.c,
1747 i960.h, i960-protos.h, i960.c,
1748 sh.h, sh-protos.h, sh.c,
1749 v850.h, v850-protos.h, v850.c: Convert HANDLE_PRAGMA-based
1750 pragmata scheme to use REGISTER_TARGET_PRAGMAS instead.
1752 * d30v.h: Don't mention HANDLE_PRAGMA in comment. Add
1753 multiple include guard.
1754 * i370.md (untyped_call): Use GEN_CALL.
1755 (umodsi3): Remove unused variable.
1756 * sh/elf.h: Don't undef HANDLE_SYSV_PRAGMA.
1757 * v850.c (output_move_single, output_move_double): Constify
1759 (print_operand): Constify a char *.
1760 * v850.h (struct small_memory_info): Constify name member.
1762 2000-09-07 Kazu Hirata <kazu@hxi.com>
1764 * config/h8300.h: Fix comment typos.
1765 * config/h8300/h8300.md: Likewise.
1766 * config/h8300/lib1funcs.asm: Likewise.
1768 Thu 07-Sep-2000 21:29:00 BST Neil Booth <NeilB@earthling.net>
1770 * Makefile.in: Remove references to cppulp.{c,o}.
1771 * cppinit.c (initialize_builtins, cpp_start_read,
1772 cpp_handle_option): Update to use cpp_options structure.
1775 2000-09-07 Joseph S. Myers <jsm28@cam.ac.uk>
1777 * c-common.c (time_char_table): Allow %#b and %#h.
1779 2000-09-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1781 * reorg.c (find_end_label): If the basic block reorder pass moves the
1782 return insn to some other place try to locate it again and put our
1783 end_of_function_label there.
1784 * reorg.c (relax_delay_slots): Check if find_end_label created a
1785 new label that invalidates the current optimazation.
1787 2000-09-07 Catherine Moore <clm@redhat.com>
1789 * unroll.c (unroll_loop): Check for unconditional jumps
1790 to loop continuation. Delete if n_iterations is 1.
1791 (ujump_to_loop_cont): New routine.
1793 2000-09-07 Bernd Schmidt <bernds@redhat.co.uk>
1795 * rtl.c (class_narrowest_mode): Add entries for MODE_VECTOR_INT and
1797 * reload.c (regno_clobbered_p): Accept new arg, MODE, and use it
1798 to handle multiword modes correctly. All callers and the declaration
1801 2000-09-06 Mark Mitchell <mark@codesourcery.com>
1803 * c-common.h (prep_stmt): Declare.
1804 (lang_expand_stmt): Likewise.
1805 * c-decl.c (lang_expand_stmt): Remove.
1806 * c-semantics.c (lang_expand_stmt): Define.
1807 (prep_stmt): New function.
1808 (expand_stmt): Handle common statement types here.
1810 2000-09-07 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>, Alexandre Oliva <aoliva@redhat.com>
1812 * configure.in (sh-*-linux*): Added.
1813 * configure: Rebuilt.
1814 * config/sh/t-linux: New file.
1815 * config/sh/sh.h (USERMODE_BIT): Define.
1816 (TARGET_USERMODE): Likewise.
1817 (TARGET_SWITCHES): New switches for the bits above.
1818 (INITIALIZE_TRAMPOLINE): Call __ic_invalidate in USERMODE.
1819 * config/sh/linux.h: New file.
1820 * config/sh/lib1funcs.asm (GLOBAL): Don't prefix symbols with
1821 underscore on linux.
1822 (L_sdivsi3, L_udivsi3): Define for linux.
1823 (L_ic_invalidate): Define.
1824 * invoke.texi (SH Options): Document -musermode.
1826 2000-09-07 Alexandre Oliva <aoliva@redhat.com>
1828 * config/sh/sh.h (OVERRIDE_OPTIONS): Don't disable function
1829 CSE unless generating PIC.
1831 * config/sh/sh.md (symPLT_label2reg): Force the initialization of
1834 2000-09-06 H.J. Lu (hjl@gnu.org)
1836 * Makefile.in (clean_s1): Depend on stage_b.
1837 (clean_s2): Depend on stage_d. Don't remove $(VOL_FILES) in
1838 stage2. They are used for "make compare".
1840 2000-09-06 Mark Mitchell <mark@codesourcery.com>
1842 Move statement-tree facilities from C++ to C front-end.
1843 * c-common.h (c_tree_index): Add CTI_VOID_ZERO.
1844 (void_zero_node): New macro.
1845 (struct stmt_tree_s): New type.
1846 (stmt_tree): New typedef.
1847 (struct language_function): New type.
1848 (last_tree): New macro.
1849 (last_expr_type): Likewise.
1850 (walk_tree_fn): New typedef.
1851 (current_stmt_tree): New function.
1852 (begin_stmt_tree): Likewise.
1853 (add_stmt): Likewise.
1854 (finish_stmt_tree): Likewise.
1855 (statement_code_p): Likewise.
1856 (lang_statement_code_p): New variable.
1857 (walk_stmt_tree): New function.
1858 (STMT_IS_FULL_EXPR_P): New macro.
1859 * c-common.c (lang_statement_code_p): New variable.
1860 (c_common_nodes_and_builtins): Initialize void_zero_node.
1861 (statement_code_p): New function.
1862 (walk_stmt_tree): Likewise.
1863 * c-decl.c (language_function): Rename to ...
1864 (c_language_function): ... this. Include language_function.
1865 (push_c_function_context): Adjust accordingly.
1866 (pop_c_function_context): Likewise.
1867 (mark_c_function_context): Likewise.
1868 (current_stmt_tree): Define.
1869 * c-semantics.c (begin_stmt_tree): New function.
1870 (add_stmt): Likewise.
1871 (prune_unused_decls): Likewise.
1872 (finish_stmt_tree): Likewise.
1874 2000-09-06 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1876 * flow.c (insn_dead_p): Detect dead memory stores with auto increments.
1878 2000-09-06 Kazu Hirata <kazu@hxi.com>
1880 * calls.c: Fix formatting.
1882 2000-09-06 Graham Stott <grahams@cygnus.co.uk>
1884 * config/i386/i386.h (ADDRESS_COST): Fix typo.
1886 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
1888 Integrated preprocessor.
1890 * Makefile.in: Remove all references to c-parse.gperf,
1891 c-gperf.h, and c-parse.h. Remove -d from yacc command line
1892 generating c-parse.c. Update dependencies.
1893 * c-parse.gperf, c-gperf.h: Delete.
1895 * c-common.c: Don't define parse_options, cpp_token, yy_cur,
1896 yy_lim, or yy_get_token. Don't define get_directive_line if
1898 * c-common.h: Add multiple include guard. Define RID values
1899 for every keyword in C, C++, and Objective C. Put all the
1901 (struct c_fileinfo, get_fileinfo, dump_time_statistics): New.
1902 * c-decl.c (c_decode_option): Handle -lang-objc here.
1903 (print_lang_identifier): Handle C_IS_RESERVED_WORD case.
1904 (grokdeclarator): Adjust for new RID scheme.
1905 (extract_interface_info): New stub.
1906 * c-lang.c: Don't declare yy_cur or parse_options.
1907 (lang_init_options): Call cpp_init. Don't call
1909 (lang_init): Don't call check_newline if USE_CPPLIB.
1911 * c-lex.c: Don't include c-parse.h. Do include timevar.h.
1912 Elide lots of unnecessary code if USE_CPPLIB. Delete code
1913 rendered unnecessary by new architecture. Move routines not
1914 shared with C++ to c-parse.in. Maintain a local idea of the
1915 line number. Handle C++ as well as C.
1916 [USE_CPPLIB]: Declare and register callbacks for #ident and
1917 for entering/leaving files.
1918 (init_c_lex, c_lex): Are now the entry points to this file.
1919 (check_newline): Break out directive handling to
1921 (read_ucs, is_extended_char, utf8_extend_token): Moved here
1923 (readescape, parse_float): Overhaul.
1924 (lex_number, lex_string, lex_charconst): Break out of c_lex
1926 (get_fileinfo, update_header_times, dump_one_header,
1927 dump_time_statistics): New and/or moved here from C++.
1928 Support per-file data needed by C++ and per-header timing
1929 statistics (C++ only, at the moment).
1930 * c-lex.h: Update prototypes. Add multiple include guard.
1931 * c-tree.h (struct lang_identifier): Add rid_code field.
1932 (C_IS_RESERVED_WORD, C_RID_CODE): New.
1934 * c-parse.in: Include c-pragma.h. Remove unnecesary calls to
1935 reinit_parse_for_function and/or position_after_white_space.
1936 (save_filename, save_lineno): Look ahead before saving.
1937 (label -> identifier ':'): Save file and line before shifting ':'.
1938 (reservedwords): No need to call get_identifier.
1939 (init_parse, finish_parse, yyerror, yylex, yyprint,
1940 make_pointer_declarator): Are now here for C/ObjC.
1941 (rid_to_yy): Conversion table from RID constants to Yacc codes.
1943 * c-pragma.c: Rewrite parsing logic to fit with cpplib's
1944 #pragma registry. Provide dummy implementation of that
1945 interface if !USE_CPPLIB.
1946 * c-pragma.h: Update to match.
1948 * flags.h: Add multiple include guard.
1949 (flag_detailed_statistics): Moved here from C++.
1950 * toplev.c: Define flag_detailed_statistics.
1952 * gcc.c (C specs): Use %(trad_capable_cpp) for -E|-M|-MM case
1954 * timevar.def (TV_CPP, TV_LEX): New.
1955 * timevar.h: Add multiple include guard.
1957 * objc/lang-specs.h: Use %(trad_capable_cpp) for -E|-M|-MM case
1959 * objc/objc-act.c: Don't mention yy_cur or parse_options.
1960 Initialize cpplib properly. Force lineno to 0 after first
1961 call to check_newline. Don't handle -lang-objc here.
1962 Move forget_protocol_qualifiers and remember_protocol_qualifiers here.
1964 2000-09-06 David Edelsohn <edelsohn@gnu.org>
1966 * rs6000.md: Correct function unit definitions for cr_logical and
1968 (sCOND): Additionally fail for sgt, slt, sge, sle if !TARGET_POWER
1969 and use portable method for >=0 and floating point >=. Remove
1970 associated matchers.
1972 2000-09-06 Mark Mitchell <mark@codesourcery.com>
1974 * extend.texi: Mark named return value extension as deprecated.
1976 2000-09-06 Geoff Keating <geoffk@cygnus.com>
1978 * config/rs6000/rs6000.c (rs6000_reverse_condition): Return
1981 2000-09-06 Gabriel Dos Reis <gdr@codesourcery.com>
1983 * toplev.c (display_help): Fix thinko in documentation.
1985 * diagnostic.h (output_buffer::indent_skip): New fields.
1986 (output_indentation): New macro.
1988 * diagnostic.c (output_indent): New function.
1989 (output_set_prefix, clear_diagnostic_info): Use.
1990 (output_emit_prefix): Predict future indentation.
1992 2000-09-06 DJ Delorie <dj@redhat.com>
1994 * Makefile.in (stage_*): add more dependencies to ensure parallel
1995 builds build correctly
1997 2000-09-06 Manfred Hollstein <manfredh@redhat.com>
1999 * Makefile.in (bootstrap-lean): Depend on bootstrap-lean_g,
2000 not bootstrap-lean_f.
2002 2000-09-06 Andreas Schwab <schwab@suse.de>
2004 * mklibgcc.in: Emit rule for libgcc-stage-start.
2005 * Makefile.in (stage1-start, stage2-start, stage3-start,
2006 stage4-start): Don't handle libgcc here, use libgcc.mk instead.
2008 2000-09-06 Bernd Schmidt <bernds@redhat.co.uk>
2010 * local-alloc.c (local_alloc): Ignore CLASS_LIKELY_SPILLED.
2011 (update_equiv_regs): Likewise, except for the mn10200 kludge.
2012 (combine_regs): Likewise.
2014 * Makefile.in (cse.o): Depend on $(BASIC_BLOCK_H).
2015 * cse.c: Include "basic-block.h".
2016 (struct table_elt): New field REGCOST.
2017 (CHEAP_REG): Delete macro.
2018 (COST): Return 0 for REGs.
2019 (approx_reg_cost_1, approx_reg_cost, preferrable): New functions.
2020 (notreg_cost): Return 0 for appropriate SUBREGs.
2021 (COSTS_N_INSNS): Return N * 2.
2022 (rtx_cost): Return 0 for REGs, and use cost of nested rtx for cheap
2024 (CHEAPER): Use new function preferrable.
2025 (insert): Initialize REGCOST member.
2026 (find_best_addr): Use approx_reg_cost for estimation of register
2028 (cse_insn): Likewise.
2029 * loop.c (iv_add_mult_cost): New function.
2030 (add_cost, shift_cost, mult_cost): Delete variables.
2031 (init_loop): Don't initialize add_cost; reduce copy_cost by half.
2032 (strength_reduce): Use iv_add_mult_cost instead of fixed add_cost.
2033 Make code that detects autoinc opportunities slightly less optimistic.
2034 (simplify_giv_expr): If expression contains other reg that is also a
2035 giv, only increment benefit if this is the only use of that reg.
2036 (consec_sets_giv): Take that change into account.
2037 (combine_givs): Slightly more verbose output.
2039 * i386.h (RTX_COSTS): For MULT, return true cost of multiplication,
2040 not the cost of an equivalent shift.
2041 * sh-protos.h (addsubcosts): Declare.
2042 * sh.c (addsubcosts): New function.
2043 * sh.h (CONST_COSTS): If CONST_OK_FOR_I, then return 0.
2044 (RTX_COSTS): Tweak. Use addsubcosts.
2045 (ADDRESS_COST): Return higher cost for reg+reg addressing.
2047 2000-09-06 Geoff Keating <geoffk@cygnus.com>
2049 * config/rs6000/rs6000.c (validate_condition_mode): New function.
2050 (branch_comparison_operator): Call validate_condition_mode to
2051 abort rather than returning 0.
2052 (branch_positive_comparison_operator): New function.
2053 (scc_comparison_operator): Call validate_condition_mode to abort
2054 rather than returning 0.
2055 (ccr_bit): Call validate_condition_mode. Update for
2057 (print_operand): Delete %C modifier. Update %E case
2058 to use EQ bit not SO bit.
2059 (rs6000_reverse_condition): New function.
2060 (rs6000_generate_compare): New function.
2061 (rs6000_emit_sCOND): New function.
2062 (rs6000_emit_cbranch): New function.
2063 (output_cbranch): The length of a long branch insn is
2064 now only 8 bytes. Add validate_condition_mode. Use
2065 rs6000_reverse_condition. Remove cror generation.
2067 * config/rs6000/rs6000.h: Update comments.
2068 (PREDICATE_CODES): Add new predicate. Update codes used
2069 by branch_comparison_operator and scc_comparison_operator.
2070 * config/rs6000/rs6000-protos.h: Add prototypes for
2071 new external functions.
2072 * config/rs6000/rs6000.md: Add new scheduling parameters
2073 for cr_logical instructions. Change length of branch
2075 (bCOND patterns): Call rs6000_emit_cbranch.
2076 (sCOND patterns): Call rs6000_emit_sCOND.
2077 (branch patterns): Change lengths to 4.
2078 (cr logical patterns): New.
2080 2000-09-06 Richard Henderson <rth@cygnus.com>
2082 * config/i386/i386.md (call_pop): Fix test for setting
2083 current_function_uses_pic_offset_table.
2084 (call, call_value_pop, call_value): Likewise.
2086 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
2088 * timevar.c (timevar_add): Delete.
2089 (timevar_get): Also count time since the selected timer was
2090 last updated. Do not examine the timevar stack if the
2091 selected timer is standalone.
2093 2000-09-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2095 * gthr-dce.h (__gthread_objc_mutex_deallocate): Free mutex->backend.
2097 2000-09-05 Jason Merrill <jason@redhat.com>
2099 * c-decl.c (finish_incomplete_decl): Don't call complete_array_type
2100 for 'extern' arrays.
2102 2000-09-05 Richard Henderson <rth@cygnus.com>
2104 * config/ia64/lib1func.asm (__divtf3): Rebundle for Itanium.
2105 Eliminate final copy from non-trapping case.
2106 (__divdf3, __divsf3): Likewise.
2108 2000-09-05 Richard Henderson <rth@cygnus.com>
2110 * config/ia64/ia64.md (mulhi3): Fix typo last change.
2111 * config/ia64/lib1func.asm (__divdi3, __udivdi3, __umodsi3): Likewise.
2113 2000-09-03 Donn Terry <donn@interix.com>, Laurynas Biveinis <lauras@softhome.net>
2115 * Makefile.in: Restructure bootstrap stages to allow clean
2116 restart after failure.
2118 2000-09-05 Richard Henderson <rth@cygnus.com>
2120 * config/ia64.md (movsi and movdi patterns): Allow moves from
2121 8-bit constants to AR registers.
2123 2000-09-05 Richard Henderson <rth@cygnus.com>
2125 * config/ia64/ia64.md (mulhi3): New.
2127 2000-09-05 Richard Henderson <rth@cygnus.com>
2129 * config/ia64/ia64.h (INIT_TARGET_OPTABS): Remove.
2130 * config/ia64/lib1funcs.asm (__divdi3): Update from Intel IA-64
2131 Optimization Guide, minimum latency alternative.
2132 (__moddi3, __udivdi3, __umoddi3): Likewise.
2133 (__divsi3, __modsi3, __udivsi3, __umodsi3): Likewise.
2135 2000-09-05 Bruce Korb <bkorb@gnu.org>
2137 * fixinc/fixincl.c (load_file): always read header files
2138 with sizes that are a multiple of the page size.
2139 & use libiberty's getpagesize for determining that.
2141 2000-09-05 Alexandre Oliva <aoliva@redhat.com>
2143 * gcse.c (hash_string_1): Add prototype.
2144 * cse.c (canon_hash_string): Likewise.
2146 2000-09-04 Craig Newell <CraigN@ieee.org>
2148 * gcc.c: Undefine "__WCHAR_TYPE__" before redefining it.
2150 2000-09-04 Andreas Schwab <schwab@suse.de>
2152 * Makefile.in (STAGESTUFF): Remove libgcc.
2153 (stage1-start, stage2-start, stage3-start): Copy the contents of
2154 the libgcc directory explicitly.
2155 (mostlyclean): Clean libgcc.
2157 2000-09-04 Andrew Haley <aph@redhat.com>
2159 * dwarf2out.c: (stack_adjust_offset): New prototype.
2161 Wed Jan 1 00:23:59 MET 1997 Jan Hubicka <jh@suse.cz>
2163 * combine.c (make_extraction): Fix rtx_cost comparison to
2166 Wed Jan 1 00:17:32 MET 1997 Jan Hubicka <jh@suse.cz>
2168 * i386.md (pushsi2, pushhi2, pophi2, swapsf, swapdf,
2169 umulsi3_highpart, smulsi3_highpart, testqi_ccno_1, xorqi_ext_1):
2170 Add '*' to insn pattern name.
2172 2000-09-04 Jakub Jelinek <jakub@redhat.com>
2174 * cpplex.c (ON_REST_ARG): Check VAR_ARGS flag of current context,
2175 use posn - 1 to index into tokens array.
2176 (maybe_paste_with_next): Adjust caller.
2178 2000-09-03 Geoff Keating <geoffk@cygnus.com>
2180 * invoke.texi: Document the -mvxworks option for rs6000 ELF.
2182 * config/rs6000/rs6000.h: Update various comments about XER_REGNO.
2183 (REGNO_REG_CLASS): Use symbolic register
2186 2000-09-03 Richard Earnshaw <rearnsha@arm.com>
2188 * arm.c (final_prescan_insn): If the form of a jump insn isn't
2189 recognized, don't try to conditionally execute it.
2191 Sun Sep 3 13:10:56 2000 Denis Chertykov <denisc@overta.ru>
2193 * config/avr/avr.md ("*tablejump_lib"): New pattern.
2194 (call_value_insn): Right length claculation.
2195 (call_insn): Likewise.
2197 2000-09-02 Marek Michalkiewicz <marekm@linux.org.pl>
2199 * config/avr/avr-protos.h, config/avr/avr.c (unique_section,
2200 gas_output_limited_string, gas_output_ascii, output_movqi,
2201 output_movhi, out_movqi_r_mr, out_movqi_mr_r, out_movhi_r_mr,
2202 out_movhi_mr_r, out_movsi_r_mr, out_movsi_mr_r, output_movsisf,
2203 out_tstsi, out_tsthi, ret_cond_branch, ashlqi3_out, ashlhi3_out,
2204 ashlsi3_out, ashrqi3_out, ashrhi3_out, ashrsi3_out, lshrqi3_out,
2205 lshrhi3_out, lshrsi3_out, output_reload_inhi, output_reload_insisf,
2206 out_shift_with_cnt, ptrreg_to_str, cond_string, encode_section_info):
2207 Add "const" as needed to remove warnings.
2209 * config/avr/avr.c (avr_override_options, avr_init_once,
2210 function_prologue, function_epilogue, frame_pointer_required_p,
2211 class_likely_spilled_p, order_regs_for_local_alloc,
2212 avr_address_cost, avr_ret_register): Use K&R style arguments.
2213 (initial_elimination_offset, gas_output_limited_string):
2214 Remove ATTRIBUTE_UNUSED from the used arguments.
2215 (output_mov*, out_mov*_r_mr, out_mov*_mr_r, output_reload_insisf):
2216 Use local variables src, dest, base to access operands[].
2217 Rename reg_dest to reg_src if that's what it is.
2218 (output_movhi, output_movsisf): Optimize loading 8-bit immediate
2219 constants to LD_REGS if reg_was_0.
2220 (output_reload_insisf): Change arg 3 to insn length and set it.
2221 (out_movhi_r_mr, out_movhi_mr_r): Use in/out for more efficient
2222 access to 16-bit I/O register pairs.
2223 (avr_address_cost): Lower cost for the above case.
2224 (out_tsthi): Use "or" (faster) instead of "sbiw" if the operand
2225 may be clobbered, also for LD_REGS.
2226 (adjust_insn_length): Correct insn length for iorhi3 and iorsi3
2229 * config/avr/avr.h (PTRDIFF_TYPE): Make signed.
2231 * config/avr/avr.md: Change all uses of the TEST_HARD_REG_CLASS
2232 macro to test_hard_reg_class function.
2233 (*movsi, *movsf): Change "cc" attribute from "clobber" to "none"
2234 for loading immediate constants to LD_REGS.
2235 (andsi3, cmphi, cmpsi): Add return statements to avoid warnings.
2238 Sat Sep 2 13:58:23 2000 Marek Michalkiewicz <marekm@linux.org.pl>
2240 * config/avr/avr.md ("*negsi2"): substitute %@ to __zero_reg__
2241 * config/avr/libgcc.S: Lost part of the previous patch.
2243 2000-08-31 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2245 * gthr-dce.h (__gthread_objc_mutex_allocate): Create a pthread_mutex_t
2246 object before calling pthread_mutex_init.
2248 2000-09-02 Alexandre Oliva <aoliva@redhat.com>
2250 * config/sh/t-elf, config/sh/crt1.asm, config/sh/crti.asm,
2251 config/sh/crtn.asm: New files.
2252 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Set.
2253 (crt1.o, crti.o, crtn.o): New targets.
2254 * configure.in [sh-*-elf*, sh-*-rtemself*] (tmake_file): Added
2256 * configure: Rebuilt.
2257 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
2258 STARTFILE_SPEC, ENDFILE_SPEC, CRT_CALL_STATIC_FUNCTION): Define.
2259 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
2260 Undefine for config/elfos.h to redefine.
2261 (STARTFILE_SPEC, ENDFILE_SPEC): Redefine after config/elfos.h.
2263 2000-09-02 Alexandre Oliva <aoliva@redhat.com>, Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
2265 * config/sh/sh-protos.h (nonpic_symbol_mentioned_p,
2266 legitimize_pic_address, output_pic_addr_const): Declare.
2267 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Fix PIC register.
2268 (PREFERGOT_BIT, TARGET_PREFERGOT): Likewise.
2269 (TARGET_SWITCHES): New switch -mprefergot.
2270 (OVERRIDE_OPTIONS): Set flag_no_function_cse unless -mprefergot.
2271 (PIC_OFFSET_TABLE_REGNUM): Define.
2272 (GOT_SYMBOL_TABLE): Likewise.
2273 (LEGITIMIZE_ADDRESS): Use legitimize_pic_address.
2274 (ENCODE_SECTION_INFO): Define.
2275 (FINALIZE_PIC): New macros.
2276 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST_P): New macro.
2277 (ASM_OUTPUT_INT, ASM_OUTPUT_SHORT): Use output_pic_addr_const.
2278 * config/sh/sh.c (print_operand_address): Use output_pic_addr_const.
2279 (prepare_move_operands): Call emit_pic_move or
2280 emit_pic_const_move if appropriate.
2281 (output_far_jump): For PIC, use braf and output long offset.
2282 (machine_dependent_reorg):
2283 (sh_expand_prologue): Save and initialize the PIC register.
2284 (sh_expand_epilogue): Restore it.
2285 (initial_elimination_offset): Account for it.
2286 (nonpic_symbol_mentioned_p): New function.
2287 (legitimize_pic_address): Likewise.
2288 (output_pic_addr_const): Likewise.
2289 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): New insns.
2290 (call, call_value): Use them.
2291 (GOTaddr2picreg, sym_label2reg, symGOT2reg, symGOTOFF2reg,
2292 symPLT_label2reg): New expands.
2293 * invoke.texi (SH Options): Document -mprefergot.
2295 2000-09-01 Alexandre Oliva <aoliva@redhat.com>
2297 * rtl.h (ASM_OPERANDS_INPUT_CONSTRAINT_EXP): New macro.
2298 * gcse.c (hash_string_1): New function.
2299 (hash_expr_1) <ASM_OPERANDS>: Disregard filename and line number.
2300 (expr_equiv_p) <ASM_OPERANDS>: Likewise.
2301 * cse.c (rtx_cost): Don't increase the cost of ASM_OPERANDS.
2302 (canon_hash_string): New function.
2303 (canon_hash) <ASM_OPERANDS>: Disregard filename and line number.
2304 (exp_equiv_p) <ASM_OPERANDS>: Likewise.
2305 (fold_rtx): Use ASM_OPERANDS accessor macros.
2306 * emit-rtl.c (copy_insn_1): Likewise.
2307 * integrate.c (copy_rtx_and_substitute): Likewise.
2308 * stmt.c (expand_asm_operands): Likewise. Give an
2309 ASM_OPERANDS rtx the mode of the output reg being set from it.
2311 2000-09-01 Fred Fish <fnf@be.com>
2313 * fix-header.c (write_rbrac): Add putc and getc to list of
2314 functions to protect against prior definition as a macro.
2316 2000-09-01 Joseph S. Myers <jsm28@cam.ac.uk>
2318 * c-common.h (enum c_tree_index): Add CTI_C_SIZE_TYPE.
2319 (c_size_type_node): Define.
2320 * c-decl.c (init_decl_processing): Initialize c_size_type_node.
2321 * c-common.c (enum format_lengths, enum format_std_version,
2322 format_length_info, format_type_detail, BADLEN, NOLENGTHS,
2323 format_kind_info, printf_length_specs, scanf_length_specs, T89_I,
2324 T99_I, T89_L, T99_LL, TEX_LL, T89_S, T89_UI, T99_UI, T89_UL,
2325 T99_ULL, TEX_ULL, T89_US, T89_F, T99_F, T89_D, T99_D, T89_LD,
2326 T99_LD, T89_C, T99_SC, T99_UC, T89_V, T94_W, TEX_W, T94_WI,
2327 TEX_WI, T99_ST, T99_SST, T99_PD, T99_UPD, T99_IM, T99_UIM,
2328 format_types): Define.
2329 (format_char_info, print_char_table, scan_char_table,
2330 time_char_table): Rearrange for new organization of information
2331 about format length modifiers and standard versions.
2332 (T_ST): Redefine to use c_size_type_node.
2333 (check_format_info): Obtain information about length modifiers and
2334 standard versions from tables. Adjust warning message wordings.
2335 Use the name from the user's program for `ll' and `hh' length
2336 modifiers in warning messages. Use more informative names for
2337 wanted types where available (for wchar_t, wint_t, size_t, signed
2338 size_t, ptrdiff_t, unsigned ptrdiff_t, intmax_t and uintmax_t).
2340 2000-09-01 Jim Wilson <wilson@cygnus.com>
2342 * calls.c (emit_call_1): Add REG_NORETURN note to call if ECF_NORETURN.
2343 * combine.c (distribute_notes): Handle REG_NORETURN.
2344 * rtl.c (reg_note_name): Add REG_NORETURN.
2345 * rtl.h (enum reg_note): Likewise.
2347 * config/ia64/ia64-protos.h (emit_safe_across_calls): Renamed from
2349 * config/ia64/ia64.c (emit_safe_across_calls): Likewise.
2350 (rtx_needs_barrier): Handle unspec_volatile 8 and 9.
2351 (emit_predicate_relation_info): Handle conditional calls with
2353 * config/ia64/ia64.h (ASM_FILE_START): Call emit_safe_across_calls
2354 instead of ia64_file_start.
2355 * config/ia64/sysv4.h (ASM_FILE_START): Likewise.
2356 * config/ia64/ia64.md (safe_across_calls_all,
2357 save_across_calls_normal): New patterns.
2359 * loop.c (check_final_value): Check for biv use before checking for
2360 giv use. Check for both biv and giv uses. Always set last_giv_use
2361 if there is a giv use.
2363 2000-09-01 Richard Henderson <rth@cygnus.com>
2365 * config/ia64/ia64.md (mulsi3): Use grfr_register_operand.
2366 (madddi3): Likewise.
2369 Fri Sep 1 10:59:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2371 * expr.c (clear_storage): Don't use emit_move_insn unless
2372 either BLKmode or proper size.
2373 (store_constructor): Don't call clear_storage if REG of wrong size.
2375 * flow.c (init_propagate_block_info): Don't mark frame dead at end
2376 of function if returns wiht stack pointer depressed.
2378 2000-09-01 Andrew Haley <aph@redhat.com>
2380 * dwarf2out.c (stack_adjust_offset): New function.
2381 (dwarf2out_stack_adjust): Break out stack adjust logic into
2382 new stack_adjust_offset function. Look inside parallels and
2383 sequences for stack adjustments.
2385 2000-08-31 Jeff Law <law@cygnus.com>
2387 * arm.md: Use no_new_pseudos to determine when it is safe
2388 to create new pseudo registers.
2390 * arm.c (legitimize_pic_address): Use no_new_pseudos to determine
2391 when we can safely allocate new registers.
2393 2000-08-31 Geoffrey Keating <geoffk@cygnus.com>
2395 * stmt.c (expand_asm_operands): Twiddle generating_concat_p
2396 so that CONCATs are not generated for ASMs.
2397 * emit-rtl.c (gen_reg_rtx): Don't generate CONCATs when
2398 not generating_concat_p.
2399 * function.c (pop_function_context_from): Reset
2400 generating_concat_p.
2401 (prepare_function_start): Likewise.
2402 * rtl.c (generating_concat_p): Define.
2403 * rtl.h (generating_concat_p): Declare.
2404 * toplev.c (rest_of_compilation): No CONCATs after RTL generation.
2406 2000-08-22 Philipp Thomas <pthomas@suse.de>
2407 Masanobu Yuhara <yuhara@flab.fujitsu.co.jp>
2409 * gmicro.h (TARGET_SWITCHES): Add descriptions and mark them
2412 2000-08-30 Greg McGary <greg@mcgary.org>
2414 * Makefile.in (fixinc.sh): Pass CC, CFLAGS and LDFLAGS to mkfixinc.sh
2415 * fixinc/Makefile.in (fixincl): Pass $(LDFLAGS) to $(CC).
2416 * fixinc/mkfixinc.sh: Pass $CC, $CFLAGS and $LDFLAGS to $MAKE.
2418 2000-08-30 Greg McGary <greg@mcgary.org>
2420 * tree.h (struct tree_int_cst): Wrap low and high in a sub-struct.
2421 (TREE_INT_CST_LOW, TREE_INT_CST_HIGH): Access through sub-struct.
2422 (TREE_INT_CST): New macro.
2423 * varasm.c (const_hash, compare_constant_1, record_constant_1):
2424 Use new macro TREE_INT_CST.
2426 Wed 30-Aug-2000 23:18:59 BST Neil Booth <NeilB@earthling.net>
2428 * contrib.texi: Add self.
2430 2000-08-30 Alexandre Oliva <aoliva@redhat.com>
2432 * config/sh/sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): New insns.
2433 (cmpeqdi_t splitter): Use cmpeqsi_and_t instead of emitting jumps
2436 2000-08-30 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2438 * fixinc/gnu-regex.c: Don't define `const'.
2440 Tue Aug 29 22:09:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2442 * expr.c (store_constructor): Allow variable bounds of array type.
2443 (expand_expr): Don't blow up if type is ERROR_MARK.
2444 * varasm.c (output_constructor): Don't access lower bound of array
2445 type unless need it if index is supplied (so it can be a variable
2446 if no index is supplied).
2447 Use tree_low_cst; use HOST_WIDE_INT for sizes; change BITPOS to POS.
2448 Other minor cleanups.
2450 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2452 * Makefile.in: Revamp handling of cflags to allow different WARN_CFLAGS
2453 for compilations in stage 1 and subsequent stages, respectively.
2454 * configure.in (vax): Add compiler-dependent CFLAGS for stage 1.
2455 * configure: Rebuilt.
2456 * x-vax, x-vax-gcc: Deleted.
2458 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
2460 * c-common.c (declare_function_name): Use func_id_node,
2461 function_id_node, and pretty_function_id_node. Do not make
2462 __func__ visible at file scope.
2463 * c-common.h (c_tree_index): Add CTI_FUNCTION_ID,
2464 CTI_PRETTY_FUNCTION_ID, and CTI_FUNC_ID.
2465 (function_id_node, pretty_function_id_node, func_id_node): New
2467 * c-decl.c (init_decl_processing): Initialize function_id_node,
2468 pretty_function_id_node, and func_id_node.
2469 (c_make_fname_decl): Correct comment.
2471 * tree.h (struct tree_identifier): Constify pointer member.
2473 * c-decl.c (pushdecl, implicit_decl_warning): Constify a char *.
2474 * c-pragma.h (struct weak_syms): Constify name and value members.
2475 (add_weak): Constify arguments.
2477 * calls.c (special_function_p): Constify a char *.
2478 (expand_call): Remove variable which is initialized and then
2480 * dependence.c (struct def_use, struct induction, struct subscript):
2481 Constify 'variable' member.
2482 (get_low_bound, have_induction_variable): Constify char * argument.
2483 (find_induction_variable): Add braces to avoid dangling else.
2484 (classify_dependence): Constify char * arrays.
2485 * profile.c (output_func_start_profiler): Constify a char *.
2486 * stor-layout.c (finalize_record_size): Constify a char *.
2487 * tree.c (is_attribute_p): Constify a char *.
2488 * varasm.c (add_weak, remove_from_pending_weak_list): Constify argument.
2490 * varasm.c (make_function_rtl, make_decl_rtl): Rearrange code
2491 for comprehensibility. Do not call get_identifier if we did
2492 not change the DECL_ASSEMBLER_NAME of the decl. Use alloca to
2493 create temporary string constants, not ggc_alloc_string. No
2494 need to copy result of ASM_FORMAT_PRIVATE_NAME. Use const
2495 char * to hold IDENTIFIER_POINTERs.
2497 2000-08-29 Richard Henderson <rth@cygnus.com>
2499 * config/ia64/ia64.md (muldi3): Use grfr_register_operand
2502 2000-08-29 Richard Henderson <rth@cygnus.com>
2504 * reload.c (push_secondary_reload): Allow class == reload_class
2505 if we're using a reload_in/out pattern.
2507 * config/ia64/ia64.md (reload_inti): Use a TImode scratch. Use
2508 the half that does not conflict with the reload register.
2509 (reload_outti): Likewise.
2511 2000-08-29 Kazu Hirata <kazu@hxi.com>
2513 * reload.c: Fix formatting.
2515 * stmt.c: Fix formatting.
2517 * gcc.c: Fix formatting.
2519 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
2521 * flags.h (time_report, mem_report): New global flags.
2522 * toplev.c: Define time_report and mem_report.
2523 (f_options): Add -ftime-report and -fmem-report.
2524 (compile_file): Turn on time_report if quiet_flag is off.
2525 Call ggc_print_statistics at very end if mem_report is on.
2526 * timevar.c (TIMEVAR_ENABLE): Examine time_report, not quiet_flag.
2528 * ggc-common.c (ggc_print_statistics): Rename to
2529 ggc_print_common_statistics; all callers changed. Scale
2530 quantities above 10K to kilobytes and above 10M to megabytes.
2531 * ggc-page.c (ggc_page_print_statistics): Rename to
2532 ggc_print_statistics. Report memory consumed by internal data
2533 structures for each allocation bucket. Scale quantities above
2534 10K to kilobytes and above 10M to megabytes.
2535 * ggc-simple.c: Prototype debug_ggc_tree to avoid warning.
2536 Cast PTR_KEY(p) to unsigned long in fprintf call to avoid warning.
2537 Define tally_leaves always.
2538 (ggc_print_statistics): New function.
2539 * ggc.h: Adjust for renamed functions.
2541 Wed Aug 30 00:11:42 2000 Denis Chertykov <denisc@overta.ru>
2543 * config/avr/avr.md ("*movsf","*movsi"): Pass NULL to
2544 output_movsisf instead of which_alternative.
2546 * config/avr/avr.c (output_reload_inhi): Check for NULL ponter.
2548 Tue Aug 29 22:29:58 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
2550 * config/avr/avr-protos.h: (avr_output_ascii) Removed.
2551 (avr_progmem_p): New prototype.
2552 (output_movsisf): Prototype declaration changed.
2553 (output_movqi): New prototype.
2554 (output_movhi): New prototype.
2555 (call_insn_operand): Likewise.
2556 (final_prescan_insn): Likewise.
2557 (avr_simplify_comparision_p): Likewise.
2558 (avr_normalize_condition): Likewise.
2559 (compare_eq_p): Likewise.
2560 (out_shift_with_cnt): Likewise.
2561 (const_int_pow2_p): Likewise.
2562 (output_reload_inhi): Prototype declaration changed.
2564 * config/avr/avr.c: (debug_hard_reg_set): Prototype declared.
2565 (ldi_reg_rtx): New. rtx for r31.
2566 (avr_init_stack): Initialize as "__stack".
2567 (function_prologue): Use it.
2568 Replace all TARGET_ENHANCED with AVR_ENHANCED.
2569 (avr_mcu_name): Initialize as "avr2".
2570 (avr_enhanced_p, avr_mega_p): New variables.
2571 (mcu_types, avr_override_options): Handle all known MCU types.
2572 Also handle avr1 (only preprocess, assemble and link).
2573 (print_operand): Using of `%K' in output template removed.
2574 (out_movqi_r_mr): Optimized.
2575 (out_movhi_r_mr): Likewise.
2576 (output_movqi): New function.
2577 (output_movhi): Likewise.
2578 (out_movsi_r_mr): Optimized.
2579 (output_movsisf): Compute insn length for `adjust_insn_length'
2580 (out_movqi_mr_r): Optimized.
2581 (out_movhi_mr_r): Optimized.
2582 (adjust_insn_length): Use output_movsisf, output_movqi,
2583 output_movhi for insn length adjusting.
2584 (reg_unused_after): Use dead_or_set_p.
2585 (preferred_reload_class): Now havn't any restriction.
2586 (reg_was_0): New function.
2587 (io_address_p): Likewise.
2588 (const_int_pow2_p): Likewise.
2589 (output_reload_inhi): Likewise.
2590 (output_reload_insisf): Likewise.
2592 * config/avr/avr.h (MULTILIB_DEFAULTS): Define.
2593 (LIB_SPEC): Use -lc for all supported devices.
2594 (LIBGCC_SPEC): Use -lgcc for all supported devices.
2595 (AVR_MEGA): Define as avr_mega_p.
2596 (AVR_ENHANCED): New, define as avr_enhanced_p.
2597 (TARGET_SWITCHES): Remove -menhanced, now handled by -mmcu=...
2598 (CPP_SPEC, LINK_SPEC): Handle all known MCU types.
2599 (CRT_BINUTILS_SPECS): Handle all known MCU types.
2600 Rename gcrt1-*.o to make file names unique on 8.3 filesystems.
2601 (EXTRA_SPECS): Add CPP_AVR[1-5]_SPEC.
2602 (ASM_SPEC): Pass -mmcu=... to the assembler.
2603 Change all -DAVR_* to -D__AVR_*__.
2604 (INIT_TARGET_OPTABS), config/avr/libgcc.S:
2605 Rename library functions to start with two underscores.
2606 (ASM_OUTPUT_COMMON): Outputs `.comm VAR,VAR-SIZE,1' to avoid
2608 (ASM_WEAKEN_LABEL): Declared for __attribute__((weak)).
2609 (SUPPORTS_WEAK): Likewise.
2610 (LDI_REG_REGNO): New. Register r31 will be used as temporary
2611 register for loading constants to r0-r14.
2613 * config/avr/avr.md: Replace all TARGET_ENHANCED with
2615 (*mov_r_sp): Removed. Handled by output_movhi.
2616 (*mov_sp_r): Likewise.
2617 (*mov_sp_r_no_interrupts): Likewise
2618 (*mov_sp_r_tiny): Likewise.
2619 (*movqi): Use output_movqi.
2620 (*reload_inqi): New.
2621 (*movhi): Use output_movhi.
2622 (*reload_inhi): New.
2623 (*negsi2): Optimized.
2624 (*negsf2): Likewise.
2625 Added peepholes (define_peephole2) for loading constants to r0-r14
2626 and for using `cpse' command.
2628 * config/avr/libgcc.S: Rename library functions to start with two
2630 Add support for enhanced core.
2631 (_moqhi3): Fix typo, now _modqi3.
2632 (__divsi_raw): Use __zero_reg__ as loop counter, smaller by 1 word.
2633 (__prologue_saves__): Remove test for stack adjust by 0.
2634 (__tablejump__): New.
2636 * config/avr/t-avr: Build libgcc2 with -mcall-prologues.
2637 Add multilib support.
2639 Tue Aug 29 15:17:54 EDT 2000 John Wehle (john@feith.com)
2641 * loop.c (prescan_loop): Don't check unknown_address_altered
2642 when deciding if insert_loop_mem is safe. Add BLKmode MEMs
2643 to loop_store_mems as necessary.
2644 (loop_invariant_p): Don't check unknown_address_altered
2645 or unknown_constant_address_altered.
2647 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2649 * vax.md (sltu, sgeu): Delete sltu and sgeu insn patterns.
2651 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
2653 * cpperror.c (print_file_and_line): If line is (unsigned int)-1,
2654 print just the filename.
2655 * cpplex.c (_cpp_run_directive): Add additional argument, the
2656 name to give the synthetic buffer. This defaults to
2657 translated "<command line>".
2658 * cpplib.c (cpp_define, cpp_undef, cpp_assert, cpp_unassert):
2660 (_cpp_define_builtin): New function.
2661 * cppinit.c (initialize_builtins): Use _cpp_define_builtin.
2662 * cpphash.h: Update prototypes.
2664 * tradcpp.c (main): Process -D and -U simultaneously, in the
2665 order they appeared on the command line.
2667 2000-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2669 * c-decl.c (define_label): Call warning_with_file_and_line and
2670 error_with_file_and_line instead of plain warning or error.
2672 * c-parse.in (label): Use save_filename/save_lineno to ensure
2673 correct values for calls to define_label.
2675 2000-08-29 Mark Mitchell <mark@codesourcery.com>
2677 * calls.c (expand_call): Don't create a VAR_DECL just to throw it
2679 * expr.c (expand_expr, case TARGET_EXPR): Don't call
2681 * tree.h (get_file_function_name): Remove two duplicate
2684 2000-08-28 Kazu Hirata <kazu@hxi.com>
2686 * tree.c: Fix formatting.
2688 * xcoffout.c: Fix formatting.
2690 2000-08-28 Jason Merrill <jason@redhat.com>
2692 * dwarf2out.c (attr_checksum): Also ignore DW_AT_producer.
2694 2000-08-28 Daniel Berlin <dberlin@redhat.com>
2696 * dwarf2out.c (dwarf2out_finish): Don't bother calling
2697 break_out_includes if it won't do anything.
2699 2000-08-28 Richard Henderson <rth@cygnus.com>
2701 * reload.c (push_secondary_reload): Revert 2000-08-16 change.
2702 (find_reloads): Likewise.
2703 * config/alpha/alpha.md (reload_inqi): Revert 2000-08-11 change.
2704 (reload_inhi): Likewise.
2706 2000-08-28 Richard Henderson <rth@cygnus.com>
2708 * config/i386/i386.c: Don't error on EXTRA_CONSTRAINT defined.
2709 (call_insn_operand): Don't expect a surrounding mem.
2710 (constant_call_address_operand): Likewise.
2711 * config/i386/i386.h (PREDICATE_CODES): Update.
2712 * config/i386/i386.md (call patterns): Move the match_operand
2713 for the call destination inside the mem.
2715 2000-08-28 Richard Henderson <rth@cygnus.com>
2717 * local-alloc.c (requires_inout): Don't use reserved range for
2718 EXTRA_CONSTRAINTS; use anything not matched by REG_CLASS_FROM_LETTER.
2719 * recog.c (asm_operand_ok): Likewise.
2720 (preprocess_constraints, constrain_operands): Likewise.
2721 * regclass.c (record_reg_classes): Likewise.
2722 * reload.c (find_reloads): Likewise.
2723 * reload1.c (maybe_fix_stack_asms): Likewise.
2724 (reload_cse_simplify_operands): Likewise.
2725 * stmt.c (expand_asm_operands): Likewise.
2727 * md.texi: Update constraints documentation.
2728 * tm.texi (EXTRA_CONSTRAINT): Update.
2730 2000-08-28 Daniel Berlin <dberlin@redhat.com>
2732 * dwarf2out.c (DIE_LABEL_PREFIX): Remove leading "__".
2733 (print_die): If we don't know the offset of the
2734 target die, try the symbol. Add a trailing newline.
2735 (reverse_all_dies): New fn.
2736 (dwarf2out_finish): Call it.
2737 (break_out_includes): Reorganize for clarity.
2738 (add_sibling_attributes): Don't call reverse_die_lists.
2739 (output_comp_unit): Rename from output_comdat_comp_unit. Use for
2741 * flags.h: Add flag_eliminate_dwarf2_dups.
2742 * toplev.c (f_options): Support -feliminate-dwarf2-dups.
2744 2000-08-28 Jason Merrill <jason@redhat.com>
2746 * dwarf2.h (DW_TAG_GNU_BINCL, DW_TAG_GNU_EINCL): New tags.
2747 * dwarf2out.c: #include "md5.h".
2748 (DIE_LABEL_PREFIX): New macro.
2749 (dw_val_struct): Add 'external' flag to val_die_ref.
2750 (add_AT_die_ref, AT_ref): Adjust.
2751 (AT_ref_external, set_AT_ref_external): New fns.
2752 (build_abbrev_table): Call set_AT_ref_external.
2753 (value_format): Call AT_ref_external.
2754 (die_struct): Add die_symbol field.
2755 (new_die): Clear it.
2756 (dwarf_tag_name): Handle BINCL/EINCL.
2757 (dwarf2out_start_source_file): Add BINCL DIE.
2758 (dwarf2out_end_source_file): Add EINCL DIE.
2759 (push_new_compile_unit, pop_compile_unit, clear_die_sizes): New fns.
2760 (loc_checksum, attr_checksum, die_checksum): New fns.
2761 (is_type_die, is_comdat_die, is_symbol_die): New fns.
2762 (compute_section_prefix, assign_symbol_names): New fns.
2763 (gen_internal_sym, output_die_symbol, output_symbolic_ref): New fns.
2764 (output_die): Call output_die_symbol and AT_ref_external.
2765 (output_comdat_comp_unit): New fn, split out from...
2766 (dwarf2out_finish): ...here. Also call add_sibling_attributes for
2768 (output_pubnames, output_aranges): Abort if we see entries from
2770 * toplev.h: Declare file_name_nondirectory.
2771 * toplev.c (file_name_nondirectory): New fn, moved from C++ frontend.
2772 (rest_of_type_compilation): Call dwarf2out_decl if at toplevel.
2773 (debug_start_source_file): Call dwarf2out_start_source_file
2774 regardless of debug verbosity.
2775 (debug_end_source_file): Similarly.
2776 * tree.h: Declare clean_symbol_name.
2777 * tree.c (clean_symbol_name): Split out from...
2778 (get_file_function_name_long): ...here.
2780 * dwarf2out.c (new_loc_descr): Use calloc.
2781 (splice_child_die): Remove the die from the right parent.
2782 (gen_struct_or_union_die): Don't add AT_name to a specification DIE.
2784 Mon Aug 28 19:02:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2786 * toplev.c (decode_g_option): Don't give warning for unknown -g
2787 option; return 0 instead.
2788 (main): If -g option is not recognized by front end or
2789 language-independent code, give warning.
2791 2000-08-28 Greg McGary <greg@mcgary.org>
2793 * config/i386/i386-protos.h (ix86_expand_compare): Add extern decl.
2794 * config/i386/i386.c (ix86_expand_compare): Remove `static'.
2795 * config/i386/i386.md (trap, conditional_trap): New insn & expand.
2797 2000-08-27 Greg McGary <greg@mcgary.org>
2799 * cpplex.c (parse_string): Don't look for backslash
2800 before first char in `namebuf'.
2801 * loop.c (strength_reduce): Skip NOTEs.
2803 2000-08-27 Jason Merrill <jason@redhat.com>
2805 * c-decl.c (duplicate_decls): Don't set TREE_STATIC or clear
2806 DECL_EXTERNAL on a local extern. Don't set DECL_IGNORED_P or
2807 TREE_ASM_WRITTEN, either.
2808 (finish_decl): Adjust.
2810 2000-08-28 Philipp Thomas <pthomas@suse.de>
2812 * ABOUT-GCC-NLS: Remove gettext patches from Paul Eggert as
2813 they have been incorporated into the gettext CVS. Change the text to
2814 reflect the current status of NLS. Add instructions for accessing
2815 the gettext CVS and add the patch from Martin v. Loewis.
2817 2000-08-27 Geoff Keating <geoffk@cygnus.com>
2819 * config/rs6000/rs6000.md (movdi_internal64+5): Make SUBREG-safe
2820 by using gen_lowpart_common.
2821 (movdi_internal64+6): Likewise.
2823 2000-08-26 Alexandre Oliva <aoliva@redhat.com>
2825 * tm.texi (FINI_SECTION_ASM_OP, CRT_CALL_STATIC_FUNCTION):
2828 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Remap register
2829 numbers to the ranges used by GDB.
2831 2000-08-25 Richard Henderson <rth@cygnus.com>
2833 * config/ia64/ia64.h (struct machine_function): Add n_varargs.
2834 * config/ia64/ia64.c (ia64_compute_frame_size): Use it.
2835 (ia64_expand_prologue): Likewise.
2836 (ia64_setup_incoming_varargs): Set it. Properly skip the current
2837 argument for stdargs.
2839 2000-08-25 Jason Merrill <jason@redhat.com>
2841 * integrate.c (expand_inline_function): Pull out the original decl.
2843 2000-08-25 Jim Wilson <wilson@cygnus.com>
2845 * cse.c (cse_insn): Don't pass label subtraction to force_const_mem.
2847 * function.c (gen_mem_addressof): Clear MEM_ALIAS_SET if no decl.
2849 2000-08-25 Greg McGary <greg@mcgary.org>
2851 * flow.c (dump_edge_info): Use ARRAY_SIZE.
2852 * config/alpha/alpha.c (alpha_expand_block_move): Likewise.
2854 2000-08-25 Richard Earnshaw <rearnsha@arm.com>
2856 * arm.h (STRUCT_VALUE): Define to 0, not NULL.
2858 Fri Aug 25 12:52:49 EDT 2000 John Wehle (john@feith.com)
2860 * i386.c (ix86_find_base_term): New.
2861 * i386-protos.h (ix86_find_base_term): Prototype.
2862 * i386.h (FIND_BASE_TERM): Define.
2863 * alias.c (find_base_term): Use it.
2864 * tm.texi (FIND_BASE_TERM): Document it.
2866 * alias.c (true_dependence, write_dependence_p): Unchanging
2867 memory can't conflict with non-unchanging memory.
2869 * alias.c (memrefs_conflict_p): A BLKmode reference
2870 to a symbol (or CONST_INT address) always conflicts
2871 with a reference to another symbol.
2873 2000-08-25 Joseph S. Myers <jsm28@cam.ac.uk>
2875 * c-common.c (time_char_table): Don't allow width and flags with
2878 2000-08-25 Jakub Jelinek <jakub@redhat.com>
2880 * config/i386/i386.c (ix86_expand_branch): Treat GE and GEU the same
2881 way as LT and LTU when the second operand has 0 in low word.
2883 2000-08-26 Michael Hayes <mhayes@cygnus.com>
2885 * basic-block.h (struct loop): Rename `exits' field to
2886 `exit_edges'. Add `entry_edges' and `num_entries' fields.
2888 * flow.c (flow_loop_exit_edges_find): Rename from flow_loop_exits_find.
2889 (flow_loop_entry_edges_find): Add.
2890 (flow_edge_list_print): Rename from flow_exits_print.
2891 (flow_loops_find): Call flow_loop_entry_edges_find.
2892 (flow_loop_dump): Dump entry_edges list.
2893 (flow_loops_free): Free entry_edges.
2895 2000-08-26 Michael Hayes <mhayes@cygnus.com>
2897 * loop.c (loop_dump_aux, debug_loop): New functions.
2898 (LOOP_BLOCK_NUM_1, LOOP_BLOCK_NUM, LOOP_INSN_UID): New macros.
2900 * flow.c (flow_loops_dump): Add callback parameter.
2901 (flow_loop_dump): Add callback parameter and call it. Move
2902 loop note debugging code to loop_dump_aux.
2904 * basic-block.h (flow_loop_dump): Add callback parameter
2905 (flow_loops_dump): Likewise.
2907 * toplev.c (rest_of_compilation): Add NULL callback function pointer
2908 to call to flow_loops_dump.
2910 2000-08-26 Michael Hayes <mhayes@cygnus.com>
2912 * loop.c (count_loop_regs_set): Replace start and end arguments
2913 with loop argument. All callers udated.
2915 2000-08-26 Michael Hayes <mhayes@cygnus.com>
2917 * loop.c (constant_high_bytes): Delete.
2919 2000-08-26 Michael Hayes <mhayes@cygnus.com>
2921 * loop.c (prescan_loop): Move checks for NOTE_INSN_LOOP_CONT
2922 and NOTE_INSN_LOOP_VTOP to...
2923 (find_and_verify_loops) ...here.
2925 Fri Aug 25 04:21:13 2000 Alexandre Oliva <aoliva@redhat.com>
2927 * crtstuff.c (CRT_CALL_STATIC_FUNCTION): Define default.
2928 (fini_dummy, init_dummy): Use it.
2930 Fri 25-Aug-2000 08:03:27 BST Neil Booth <NeilB@earthling.net>
2932 * cpplex.c (is_macro_disabled): Caller has already checked
2933 that we're not a preprocessed file.
2935 2000-08-24 Mark Mitchell <mark@codesourcery.com>
2937 * Makefile.in (C_AND_OBJC_OBJS): Remove c-iterate.o.
2938 (c-iterate.o): Remove target.
2939 * gcc/c-common.h (enum rid): Remove RID_ITERATOR.
2940 * gcc/c-decl.c (init_decl_processing): Remove call to init_iterators.
2941 (finish_decl): Don't handle iterators.
2942 (grokdeclarator): Likewise.
2943 * gcc/c-parse.gperf: Remove __iterator and __iterator__ keywords.
2944 * gcc/c-gperf.h: Regenerated.
2945 * gcc/c-iterate.c: Removed.
2946 * gcc/c-lex.c (init_lex): Don't handle iterators.
2947 * gcc/c-parse.in (primary): Remove pop_iterator_stack call.
2948 (compstmt_primary_start): Remove push_iterator_stack call.
2949 (stmt): Don't allow iterator statements. Replace iterator_expand
2950 with expand_expr_stmt.
2951 (all_iter_stmt): Remove.
2952 (all_iter_stmt_simple): Likewise.
2953 (all_iter_stmt_with_decl): Likewise.
2954 * gcc/c-tree.h (ITERATOR_P): Remove.
2955 (ITERATOR_BOUND_P): Likewise.
2956 (init_iterators): Remove declaration.
2957 (iterator_expand): Likewise.
2958 (iterator_for_loop_start): Likewise.
2959 (iterator_for_loop_end): Likewise.
2960 (iterator_for_loop_record): Likewise.
2961 (push_iterator_stack): Likewise.
2962 (pop_iterator_stack): Likewise.
2963 * gcc/c-typeck.c (decl_constant_value): Don't check ITERATOR_P.
2964 (readonly_warning): Likewise.
2965 * gcc/tree.h (ITERATOR_BOUND_P): Don't mention it.
2967 2000-08-24 Jim Wilson <wilson@cygnus.com>
2969 * c-common.c (decl_attributes, case A_ALIGN): Revert last change.
2970 Copy type in a TYPE_DECL, just like pushdecl does.
2972 2000-08-24 Richard Henderson <rth@cygnus.com>
2974 * toplev.c (main): Enable flag_reorder_blocks at -O2.
2976 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
2978 * ggc-page.c (alloc_page): If HAVE_MMAP_ANYWHERE and we're
2979 asked for one page, allocate GGC_QUIRE_SIZE of them and put
2980 the extras on the free list.
2981 (release_pages): Clean up.
2982 (ggc_set_mark): Don't adjust G.allocated here...
2983 (sweep_pages): ... do it here.
2985 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
2987 * cppfiles.c (read_include_file): Rearrange initializations.
2989 2000-08-24 Richard Henderson <rth@cygnus.com>
2991 * stmt.c (expand_asm_operands): Treat EXTRA_CONSTRAINT like g or X.
2993 * config/ia64/ia64-protos.h: Update.
2994 * config/ia64/ia64.c (gr_register_operand): New.
2995 (fr_register_operand, grfr_register_operand): New.
2996 (gr_nonimmediate_operand, grfr_nonimmediate_operand): New.
2997 (grfr_reg_or_8bit_operand): New.
2998 (gr_reg_or_0_operand): Rename from reg_or_0_operand and
2999 use gr_register_operand.
3000 (gr_reg_or_5bit_operand, gr_reg_or_6bit_operand): Likewise.
3001 (gr_reg_or_8bit_operand, gr_reg_or_8bit_adjusted_operand): Likewise.
3002 (gr_reg_or_8bit_and_adjusted_operand): Likewise.
3003 (gr_reg_or_14bit_operand, gr_reg_or_22bit_operand): Likewise.
3004 (fr_reg_or_fp01_operand): Likewise.
3005 (not_postinc_memory_operand): New.
3006 (ia64_split_timode): Remove unused variables.
3007 (rtx_needs_barrier): Check arguments to cmpxchg.
3008 (builtin_description): Remove.
3009 (bdesc_2argsi, bdesc_2argdi): Remove.
3010 (ia64_init_builtins): Declare all builtins directly.
3011 (ia64_expand_fetch_and_op): Rewrite to be called from
3012 ia64_expand_builtin directly. Use expand_binop and co.
3013 (ia64_expand_op_and_fetch): Likewise.
3014 (ia64_expand_compare_and_swap): Likewise.
3015 (ia64_expand_binop_builtin): Remove.
3016 (ia64_expand_lock_test_and_set): New.
3017 (ia64_expand_lock_release): New.
3018 (ia64_expand_builtin): Use them.
3019 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_S): New.
3020 (EXTRA_CONSTRAINT): Use it.
3021 (PREDICATE_CODES): Update.
3022 * config/ia64/ia64.md (*): Use gr_register_operand and co.
3023 (mf): Indicate that we set memory as well as use it.
3024 (fetchadd_acq_si): Show memory being modified as well.
3025 (fetchadd_acq_di, cmpxchg_acq_si, cmpxchg_acq_di): Likewise.
3026 (val_compare_and_swap_si, val_compare_and_swap_di): Remove.
3027 (lock_test_and_set_si, lock_test_and_set_di): Remove.
3028 (fetch_and_add_si, fetch_and_sub_si, fetch_and_or_si): Remove.
3029 (fetch_and_and_si, fetch_and_xor_si, fetch_and_nand_si): Remove.
3030 (fetch_and_add_di, fetch_and_sub_di, fetch_and_or_di): Remove.
3031 (fetch_and_and_di, fetch_and_xor_di, fetch_and_nand_di): Remove.
3032 (add_and_fetch_di, sub_and_fetch_di, or_and_fetch_di): Remove.
3033 (and_and_fetch_di, xor_and_fetch_di, nand_and_fetch_di): Remove.
3034 (add_and_fetch_si, sub_and_fetch_si, or_and_fetch_si): Remove.
3035 (and_and_fetch_si, xor_and_fetch_si, nand_and_fetch_si): Remove.
3036 * config/ia64/ia64intrin.h (*): Cast result to the appropriate
3037 return type. Pretty print definitions.
3039 2000-08-24 Jim Wilson <wilson@cygnus.com>
3041 * config/ia64/ia64.md (movdi): Don't call gen_movdi_symbolic if
3042 we have a SYMBOL_REF with SYMBOL_REF_FLAG set.
3044 2000-08-24 Jason Merrill <jason@redhat.com>
3046 * dwarf2out.c (AT_flag, AT_int, AT_unsigned, AT_string, AT_ref,
3047 AT_loc, AT_addr, AT_lbl): Abort on unsuitable input.
3048 (get_AT_low_pc, get_AT_hi_pc, get_AT_string, get_AT_flag,
3049 get_AT_unsigned, get_AT_ref): Don't call them if get_AT fails.
3051 2000-08-24 Greg McGary <greg@mcgary.org>
3053 * optabs.c (init_optabs): Initialize fixtab, fixtrunctab, floattab,
3054 and extendtab within their proper array boundaries.
3055 * emit-rtl.c (init_emit_once): Pass `const_tiny_rtx' with bounds
3056 for the entire array.
3058 * config/arm/arm.c (arm_override_options): Use ARRAY_SIZE.
3059 * config/alpha/alpha.c (alpha_lookup_xfloating_lib_func): Likewise.
3060 * config/avr/avr.c (order_regs_for_local_alloc): Likewise.
3061 * config/fr30/fr30.c (fr30_print_operand): Likewise.
3062 * config/i386/dgux.c (output_options): Likewise.
3063 * config/i386/dgux.h (ASM_FILE_START): Likewise.
3064 * config/m88k/m88k.c (output_options): Likewise.
3065 * config/m88k/m88k.h (ASM_FILE_START): Likewise.
3066 * config/mcore/mcore.c (mcore_output_inline_const_forced,
3067 layout_mcore_frame, handle_structs_in_regs): Likewise.
3068 * config/mips/mips.c (output_block_move): Likewise.
3069 * config/rs6000/rs6000.c (rs6000_override_options,
3070 rs6000_file_start): Likewise.
3071 * config/sparc/sparc.c (sparc_add_gc_roots): Likewise.
3072 * fixinc/fixfixes.c (FIX_TABLE_CT): Likewise.
3073 * fixinc/fixtests.c (TEST_TABLE_CT): Likewise.
3074 * builtins.c (expand_builtin_setjmp): Likewise.
3075 * expr.c (safe_from_p): Likewise.
3076 * flow.c (life_analysis): Likewise.
3077 * fold-const.c (size_int_type_wide): Likewise.
3078 * gcc.c (translate_options, init_spec, set_spec, main): Likewise.
3079 * genattrtab.c (make_length_attrs): Likewise.
3080 * genopinit.c (gen_insn): Likewise.
3081 * genrecog.c (NUM_KNOWN_PREDS, NUM_SPECIAL_MODE_PREDS): Likewise.
3082 * global.c (global_alloc): Likewise.
3083 * local-alloc.c (find_free_reg): Likewise.
3084 * mips-tdump.c (print_symbol): Likewise.
3085 * mips-tfile.c (parse_def, parse_input): Likewise.
3086 * reload1.c (NUM_ELIMINABLE_REGS): Likewise.
3087 * stmt.c (expand_nl_goto_receiver): Likewise.
3088 * stor-layout.c (set_sizetype): Likewise.
3089 * varasm.c (decode_reg_name): Likewise.
3090 * toplev.c (decode_f_option, decode_W_option,
3091 set_target_switch, print_switch_values): Likewise.
3092 (NUM_ELEM): Remove macro.
3093 (display_help, main): s/NUM_ELEM/ARRAY_SIZE/
3095 2000-08-24 Greg McGary <greg@mcgary.org>
3097 * tree.h (enum tree_index): New member `TI_MAIN_IDENTIFIER'.
3098 (MAIN_NAME_P, main_identifier_node): New macros.
3099 * c-common.c (c_common_nodes_and_builtins): Init main_identifier_node.
3100 * c-decl.c (start_decl, grokdeclarator, start_function,
3101 store_parm_decls, finish_function): Use MAIN_NAME_P.
3102 * config/avr/avr.c (function_prologue, function_epilogue): Likewise.
3103 * config/i386/cygwin.h (SUBTARGET_PROLOGUE): Likewise.
3104 * config/i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
3105 * config/pdp11/pdp11.c (output_function_prologue): Likewise.
3107 2000-08-24 Greg McGary <greg@mcgary.org>
3109 * cppfiles.c (actual_directory): Don't write beyond `dir'
3110 when it contains "".
3111 * real.c (asctoeg): Stay within bounds of etens[][].
3113 2000-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3115 * dependence.c (dependence_string, direction_string,
3116 dump_one_node, dump_node_dependence): Hide unused identifiers.
3117 (get_low_bound, normalize_coefficients): Match definition to
3119 (get_one_coefficient): Initialize variables `value0_is_idx' and
3121 (ziv_test, gcd_test): Mark parameters with ATTRIBUTE_UNUSED.
3122 (ziv_test): Delete variable `idx', use parameter `sub' instead.
3123 (direction_merge): Avoid automatic aggregate initialization.
3124 (have_dependence_p): Use `src' not `dest' to set `src_idx'.
3125 Initialize variables `dest_idx' and `src_idx'.
3126 (end_dependence_analysis): Avoid C89 style function definition.
3128 2000-08-24 Joseph S. Myers <jsm28@cam.ac.uk>
3130 * c-common.c (time_char_table): Don't allow width with %F.
3131 (check_format_info): Don't allow "Z" length with scanf.
3133 2000-08-24 Gabriel Dos Reis <gdr@codesourcery.com>
3135 * diagnostic.c (finish_diagnostic): Define.
3136 (output_do_printf): Use wrap_text instead of output_add_string.
3137 (default_print_error_function): Avoid embedded '\n'.
3139 * diagnostic.h (flush_diagnostic_buffer): Declare.
3141 2000-08-23 Alexandre Oliva <aoliva@redhat.com>
3143 * dependence.c: Replace `[][]' with `[][MAX_SUBSCRIPTS]'.
3145 2000-08-23 Hans-Peter Nilsson <hp@axis.com>
3147 * Makefile.in (GCC_PASSES): Add specs.
3149 2000-08-23 Jim Wilson <wilson@cygnus.com>
3151 * frame.h (IA64_UNW_EHANDLER, IA64_UNW_UHANDLER): New.
3152 * config/ia64/frame-ia64.c (__get_personality): Return zero if neither
3153 EHANDLER nor UHANDLER bit is set.
3154 (__get_except_table): Likewise.
3156 2000-08-23 Nick Clifton <nickc@redhat.com>
3158 * config/arm/lib1funcs.asm: Replace upper case condition codes
3159 with lower case versions.
3161 * config/arm/arm.h (STRUCT_VALUE): Define.
3162 (STRUCT_VALUE_REGNUM): Delete.
3164 2000-08-23 Zack Weinberg <zack@wolery.cumb.org>
3166 * cpphash.h (IN_I): New flag for directive table.
3167 * cpplib.c (DIRECTIVE_TABLE): Mark #define, #undef, #ident, and
3169 (_cpp_check_directive): If -fpreprocessed, execute directives
3170 marked with IN_I. Issue no warnings in this case.
3171 * cpplex.c (_cpp_get_token): Expand no macros if -fpreprocessed.
3173 2000-08-23 Joseph S. Myers <jsm28@cam.ac.uk>
3175 * c-common.c (print_char_table): Allow 'I' flag with %d, %i and
3177 (check_format_info): Support printf 'I' flag; warn about it with
3180 2000-08-23 Richard Earnshaw (rearnsha@arm.com)
3182 * arm.c (arm_expand_prologue): Ensure that the stack-adjustment
3183 barrier can't be ignored by the alias analysis code.
3185 2000-08-12 Eli Zaretskii <eliz@is.elta.co.il>
3187 * fixinc/inclhack.def (sysv68_string): Fix the Sed script so it
3188 works inside fixincl.
3190 Wed Aug 23 04:55:48 2000 Alexandre Oliva <aoliva@redhat.com>
3192 * simplify-rtx.c (simplify_rtx): Don't pass VOIDmode to
3193 simplify_relational_operation() unless both operands are of
3195 * cse.c (fold_rtx): Likewise.
3197 Tue Aug 22 23:53:27 EDT 2000 John Wehle (john@feith.com)
3199 * rtlanal.c (rtx_unstable_p): The pic register is stable
3200 (within one function) and the actual rtx should be used
3201 when checking the registers.
3202 (rtx_addr_can_trap_p): Pic memory addresses can't trap.
3204 * alias.c (true_dependence, write_dependence_p): Fix
3205 bug in previous patch.
3207 * i386.c (ix86_GOT_alias_set): New.
3208 (legitimize_pic_address): Use it.
3210 * rtlanal.c (rtx_unstable_p): An unchanging MEM is
3211 only stable if its address is stable.
3212 (rtx_varies_p): An unchanging MEM can't vary if
3213 its address doesn't vary.
3215 2000-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3217 * c-parse.in (unop +): Restrict -Wtraditional warnings to user code.
3219 2000-08-22 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3221 * vax.h (ASM_SPEC): Pass `-J' to assembler.
3222 * x-vax-gcc: New file for bootstrapping with gcc.
3223 * x-vax: Use X_CFLAGS rather than X_CPPFLAGS to pass `-J'.
3224 * configure.in: Use x-vax-gcc with gcc.
3225 * configure: Rebuilt.
3227 Tue Aug 22 21:21:05 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3229 * toplev.c (rest_of_compilation): Rebuild label notes after
3230 post-reload splitting pass if new labels have been created.
3232 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
3234 * diagnostic.h (output_buffer_state): New macro.
3235 * diagnostic.c (diagnostic_for_decl, sorry,
3236 default_print_error_function, output_do_verbatim,
3237 report_diagnostic, report_problematic_module): Use it.
3239 (output_format): Use wrap_text instead of maybe_wrap_text.
3241 2000-08-22 Nick Clifton <nickc@redhat.com>
3243 * config/arm/lib1funcs.asm (ARM_DIV_MOD_BODY): New macro.
3244 Common code for ARM divide and modulus functions.
3245 (THUMB_DIV_MOD_BODY): New macro. Thumb equivalent of
3247 (FUNC_END): New macro: Common code at the end of the division and
3249 (THUMB_FUNCTION_START): New macro: Common code at the start of
3251 (__divsi3, __udivsi3, __modsi3, __umodsi3): Use new macros.
3253 Tue Aug 22 20:34:52 2000 Kaz Kojima <kkojima@rr.iij4u.or.jp>
3255 * config/sh/sh.md (cmpeqdi_t splitter): Fix a reverse testing.
3257 * config/sh/sh.c (prepare_scc_operands): Apply force_reg to
3258 sh_compare_op1 when the mode is DImode and sh_compare_op1 isn't
3261 2000-08-22 Nick Clifton <nickc@redhat.com>
3263 * config/arm/lib1funcs.asm (__umodsi3): Before performing any
3264 restorative additions, test for bottom bits of IP being set,
3265 rather than relying upon the RORs not matching.
3268 2000-08-22 David Edelsohn <edelsohn@gnu.org>
3270 * aix.h (ASM_DECLARE_FUNCTION_NAME): Call named_section() or
3271 text_section() as appropriate instead of emitting text csect
3273 (TEXT_SECTION_ASM_OP): Only require default 32-bit alignment.
3274 (UNIQUE_SECTION): Define macro.
3275 (ASM_OUTPUT_SECTION_NAME): Define macro.
3276 * rs6000.c (rs6000_override_options): Disable -ffunction-sections
3277 on AIX if debugging and -fdata-sections always.
3279 2000-08-22 Steven King <sxking@uswest.net>
3281 * config/float-i386.h (LDBL_EPSILON): Remove __convert_long_double
3283 (LDBL_MAX): Same here.
3285 2000-08-22 Richard Henderson <rth@cygnus.com>
3287 * flow.c (tidy_fallthru_edge): Update b->end properly.
3289 2000-08-22 Stan Cox <scox@redhat.com>
3291 * Makefile.in (OBJS): Add dependence.o.
3292 * dependence.c: New file.
3294 2000-08-22 Alexandre Oliva <aoliva@redhat.com>, John David Anglin <dave.anglin@nrc.ca>
3296 * calls.c (check_sibcall_argument_overlap_1): Adjust for
3298 (check_sibcall_argument_overlap): Likewise.
3300 2000-08-22 Alexandre Oliva <aoliva@redhat.com>
3302 * invoke.texi (SH Options): Document -m4-nofpu,
3303 -m4-single-only, -m4-single, -m4, -mbigtable, -mfmovd,
3304 -mhitachi, -mnomacsave, -misize, -mpadstruct, -mspace.
3306 2000-08-22 Joseph S. Myers <jsm28@cam.ac.uk>
3308 * c-common.c (check_format_info): Give the 'some locales' warning
3309 for strftime %Ey rather than the unconditional 'only last 2 digits
3312 2000-08-22 Richard Henderson <rth@cygnus.com>
3314 * alias.c (init_alias_analysis): Do not register
3315 struct_value_incoming_rtx or static_chain_rtx as pointing
3318 Tue Aug 22 01:44:43 2000 Jeffrey A Law (law@cygnus.com)
3320 * protoize.c (munge_compile_params): Fix typo and formatting buglets.
3322 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
3324 * diagnostic.h (report_problematic_module): Declare.
3325 * diagnostic.c (report_problematic_module): New function.
3326 (report_error_function): Tweak.
3328 Tue Aug 22 02:31:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3330 * stmt.c (expand_goto_internal, fixup_gotos): Only check
3331 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
3333 2000-08-21 Richard Henderson <rth@cygnus.com>
3335 * flow.c (calculate_global_regs_live): Mark frame pointer live
3336 everywhere before reload.
3338 2000-08-21 Jim Wilson <wilson@cygnus.com>
3340 * real.c (ereal_from_int, ereal_from_uint, significand_size): Handle
3341 INTEL_EXTENDED_IEEE_FORMAT.
3342 (toe64): Delete INTEL_EXTENDED_IEEE_FORMAT support. Unconditionally
3343 clear last two bytes of output FP value.
3345 2000-08-21 Graham Stott <grahams@cygnus.co.uk>
3347 * config/ia64/ia64.h (REDO_SECTION_INFO_P): Change decl to DECL.
3349 2000-08-21 Jakub Jelinek <jakub@redhat.com>
3351 * unroll.c (loop_find_equiv_value): If ret is modified between
3352 insn and loop_start, ret might not be equivalent to reg.
3354 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
3356 * c-common.c (init_dollar_format_checking,
3357 maybe_read_dollar_number, finish_dollar_format_checking): New
3359 (dollar_arguments_used, dollar_arguments_count,
3360 dollar_first_arg_num, dollar_max_arg_used, dollar_format_warned):
3362 (check_format_info): Support $ formats for scanf and printf width
3363 and precision. Always increment format_chars to advance past the
3364 '*' of precision, not just when the format parameters are
3367 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3369 * mips.c (block_move_loop, expand_block_move,
3370 function_arg_partial_nregs, save_restore_insns, function_prologue,
3371 mips_expand_prologue, RA_MASK): Avoid using the `U' integer
3373 (function_arg_advance, function_arg): Match argument to format
3376 2000-08-21 Nix <nix@esperi.demon.co.uk>
3378 * gcc.c (do_spec_1): Implement %j spec flag.
3379 Remove dead comment.
3381 * gcc.texi (The Configuration File): Document HOST_BIT_BUCKET.
3382 * system.h (HOST_BIT_BUCKET): Default to "/dev/null".
3383 * config/i386/xm-dos.h (HOST_BIT_BUCKET): Define as "NUL".
3384 * config/i386/xm-os2.h, config/winnt/winnt.h: Likewise.
3386 * protoize.c (munge_compile_params): Use HOST_BIT_BUCKET (if
3387 writable) instead of hardcoded value.
3389 * toplev.c (compile_file): Output to a file even if -fsyntax-only.
3391 * gcc.c, config/i386/xm-dos.h, config/i386/xm-os2.h: Kill
3394 * gcc.c (cc1_options): Do not process -o or run the assembler if
3396 * objc/lang-spec.h: Likewise.
3398 2000-08-21 Eli Zaretskii <eliz@is.elta.co.il>
3400 * fixinc/fixincl.c (fix_with_system): Pipe the output of
3401 "external" fixes through `cat', to avoid truncating the input
3402 file by redirection.
3404 2000-08-21 Jakub Jelinek <jakub@redhat.com>
3406 * config/i386/i386.md (lea_general_1): Copy insn condition to split
3408 (lea_general_2, lea_general_3): Likewise.
3410 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3412 * c-decl.c (duplicate_decls, define_label): Restrict -Wtraditional
3413 warnings to user code.
3415 * c-lex.c (readescape, yylex): Likewise.
3417 * c-typeck.c (store_init_value, process_init_element): Likewise
3418 (c_expand_start_case): Format.
3420 2000-08-18 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
3422 * mips/linux.h (LINK_SPEC): Use %(endian_spec).
3424 * mips/mips.h: Change LINKER_ENDIAN_SPEC to ENDIAN_SPEC
3425 and linker_endian_spec to endian_spec.
3426 (ENDIAN_SPEC): Add %{EB} and %{EL}.
3427 (LINK_SPEC): Remove %{EB} and %{EL}.
3428 (ASM_SPEC): Likewise. Use %(endian_spec).
3430 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
3432 * c-tree.h (flag_hosted): Move declaration from here...
3433 * c-common.h (flag_hosted): ... to here.
3434 (flag_noniso_default_format_attributes): New declaration.
3435 * c-decl.c (flag_noniso_default_format_attributes): New variable.
3436 (c_decode_option): Set it appropriately for options choosing
3437 language standard variant.
3438 * c-common.c (init_function_format_info): Only provide default
3439 format attributes if flag_hosted. Only provide the gettext
3440 formats if flag_noniso_default_format_attributes. Update
3442 (check_format_info): Disable treatment of %a as a scanf flag in
3445 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
3447 * c-common.c (scan_char_table): Add 'w' to flags for all formats
3449 (check_format_info): Set 'wide' for scanf format widths. Warn for
3450 a zero scanf width. Make the check for writing into a constant
3451 object at the first level of indirection; at later levels, warn if
3452 any type qualifiers are encountered.
3454 Mon Aug 21 07:41:12 2000 Jeffrey A Law (law@cygnus.com)
3456 * reload.c (reload_inner_reg_of_subreg): New function broken out of
3458 (push_reload): Use reload_inner_reg_of_subreg.
3459 (combine_reloads): Do not combine reloads if the input reload
3460 is a SUBREG in which the inner part will need reloading.
3462 * global.c (global_alloc): Avoid passing dumpfile argument to
3464 * toplev.c (rest_of_compilation): Likewise.
3465 * reload.h (reload): Remove dumpfile argument. Callers changed.
3466 (debug_reload, debug_reload_to_stream): Move prototypes here.
3467 * rtl.h (reload): Remove dumpfile argument.
3468 * reload.c (debug_reload): Remove prototype.
3469 (debug_reload_to_stream): Likewise.
3470 * reload1.c: Avoid passing dumpfile around, rely on rtl_dump_file
3473 2000-08-21 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
3475 * diagnostic.c (context_as_prefix): Export.
3476 (need_error_newline): Remove.
3477 (lang_diagnostic_starter, lang_diagnostic_finalizer): New objects.
3478 (error_module_changed, record_last_error_module,
3479 error_function_changed, record_last_error_function): New functions.
3480 (initialize_diagnostics): Default intialize
3481 lang_diagnostic_starter, lang_diagnostic_finalizer.
3482 (init_output_buffer): Tweak.
3483 (file_name_as_prefix): New function.
3484 (announce_function, default_print_error_function,
3485 report_error_function, set_diagnostic_context): Tweak.
3487 2000-08-21 Richard Earnshaw <rearnsha@arm.com>
3489 * flow.c (init_propagate_block_info): Handle SUBREG in a jump
3490 condition expression.
3492 2000-08-20 Richard Henderson <rth@cygnus.com>
3494 * flow.c (merge_blocks_nomove): Don't seek back past the bb note.
3496 2000-08-20 Zack Weinberg <zack@wolery.cumb.org>
3498 * cppinit.c (cpp_init): Set global flag when called.
3499 (cpp_reader_init): Bomb out if cpp_init hasn't been called.
3501 Sun Aug 20 01:41:35 2000 Dennis Chernoivanov <cdi@sparc.spb.su>
3503 * cpplex.c (cpp_scan_buffer): Move `output_line_command' just
3504 before `process_directive' so that newlines won't be missed
3506 (cpp_printf): Increment `print->lineno' when newline is emitted.
3508 * cppmain.c (cb_ident): Likewise.
3509 (cb_define): Likewise.
3510 (cb_undef): Likewise.
3511 (cb_include): Likewise.
3512 (cb_def_pragma): Likewise.
3513 (dump_macros_helper): Likewise.
3515 2000-08-20 Richard Henderson <rth@cygnus.com>
3517 * config/ia64/ia64.c (emit_insn_group_barriers): Stop if ar.lc
3518 assigned before a loop.
3520 * config/ia64/ia64.md (ashlsi3): Zero extend the shift count.
3521 (ashrsi3, lshrsi3): Likewise.
3523 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
3525 * c-lang.c: #include diagnostic.h
3526 (c_tree_printer): New function.
3527 (lang_init): Initialize lang_printer.
3529 * Makefile.in (c-lang.o): Depends on diagnostic.h
3531 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
3533 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic.
3535 * diagnostic.c (default_diagnostic_starter,
3536 default_diagnostic_finalizer): New functions.
3537 (diagnostic_for_asm, diagnostic_for_decl): Tweak.
3538 (pedwarn, pedwarn_with_file_and_line, error,
3539 error_with_file_and_line, fatal, warning,
3540 warning_with_file_and_line): Adjust call to report_diagnostic.
3541 (report_diagnostic): Rework.
3542 (set_diagnostic_context): New function.
3544 * diagnostic.h (struct diagnostic_context): New data structure.
3545 (diagnostic_message, diagnostic_argument_list,
3546 diagnostic_file_location, diagnostic_line_location,
3547 diagnostic_is_warning, diagnostic_starter, diagnostic_finalizer,
3548 diagnostic_finalizer, diagnostic_auxiliary_data): New macros.
3549 (set_diagnostic_context): Declare.
3550 (report_diagnostic): Change prototype.
3552 Sun 20-Aug-2000 09:25:45 BST Neil Booth <NeilB@earthling.net>
3554 * fix-header.c (main): Initialize cpplib.
3556 2000-08-19 Michael Meissner <meissner@redhat.com>
3558 * ifcvt.c (find_if_block): Do not assume that a THEN block has any
3559 instructions in it before checking for indirect jumps.
3561 * ifcvt.c (find_if_block): Do not consider a THEN block that ends
3562 in a indirect jump as a potential for conditional execution.
3564 * d30v.h (d30v_init_expanders): Don't declare here.
3565 * d30v-protos.h (d30v_init_expanders): Declare here with a valid
3568 Sat 19-Aug-2000 21:11:45 BST Neil Booth <NeilB@earthling.net>
3570 * cpp.texi: Add @section for assertions.
3572 Sat Aug 19 12:37:08 EDT 2000 John Wehle (john@feith.com)
3574 * loop.c (scan_loop): Use CONST_CALL_P instead of
3575 checking for REG_LIBCALL / REG_RETVAL.
3577 Sat Aug 19 09:18:47 2000 Jeffrey A Law (law@cygnus.com)
3579 * reload1.c (reload_as_needed): Accept dumpfile argument,
3580 pass it to emit_reload_insns.
3581 (emit_reload_insns): Add new dumpfile argument. If non-null
3582 then dump the reloads for each insn into the dumpfile.
3583 (reload): Pass dumpfile to reload_as_needed.
3585 * invoke.texi: Clean up linux-gnu vs linux comments.
3587 2000-08-19 Richard Henderson <rth@cygnus.com>
3589 * config/ia64/ia64.c (reg_or_5bit_operand): New.
3590 (ia64_depz_field_mask): New.
3591 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_R): New.
3592 (PREDICATE_CODES): Update.
3593 * config/ia64/ia64.md: Update commentary.
3594 (depz_internal): New.
3595 (ashlsi3): Implement directly.
3596 (ashrsi3, lshrsi3): Simplify; rely on extv and extzv for constants.
3597 (ashldi3): Use shladd.
3598 * config/ia64/ia64-protos.h: Update.
3600 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
3602 * toplev.c (independent_decode_option): Always process -g.
3603 Remove third argument, now unused. Adjust caller to match.
3605 2000-08-18 Richard Henderson <rth@cygnus.com>
3607 * combine.c (make_compound_operation): Break after creating
3610 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
3612 * cpplib.c (cpp_register_pragma_space): Just return if the
3613 namespace is already registered.
3615 2000-08-18 Ray Essick <essick@ddna.labs.mot.com> & Nick Clifton <nickc@redhat.com>
3617 * config/mcore/mcore.md (rotlsi3): Allow allow rotations by a
3618 constant amount. Do not generate ROTL instruction.
3620 Fri Aug 18 16:22:20 2000 Alexandre Oliva <aoliva@redhat.com>
3622 * config/sh/elf.h: Do not include sh/sh.h.
3623 * config/sh/rtems.h: Likewise.
3624 * config/sh/rtemself.h: Do not include sh/elf.h.
3625 * configure.in: Get them included with `tm_file's.
3626 * configure: Rebuilt.
3628 * config/sh/sh.md (fpu_switch0, fpu_switch1): Simplify.
3629 * config/sh/sh.c (fpscr_set_from_mem): Use them.
3631 Fri Aug 18 14:23:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3633 * stor-layout.c (compute_record_type): Don't use mode of single
3634 field as mode of record if not integer mode of same type.
3636 * regmove.c (perhaps_ends_bb_p): New function.
3637 (optimize_reg_copy_1, optimize_reg_copy_2): Call it.
3638 (optimize_reg_copy_3, fixup_match_2, regmove_optimize): Likewise.
3639 (fixup_match_1): Likewise.
3640 (fixup_match_1, combine_stack_adjustments_for_block): Add casts to
3641 avoid signed/unsigned warnings.
3643 * function.c (fixup_var_refs_1, case MEM): Update CODE after
3646 Fri 18-Aug-2000 18:33:45 BST Neil Booth <NeilB@earthling.net>
3648 * cpphash.h: Use HAVE_DESIGNATED_INITIALIZERS.
3649 (_cpp_trigraph_map): Declaration moved from cpplex.c
3651 * cppinit.c: Define _cpp_trigraph_map. Use UCHAR_MAX + 1
3652 instead of 256. Use consistent test for designated initializers.
3653 (cpp_init): Initialize trigraph_map.
3654 (initialize_standard_includes, parse_option): Use memcmp
3657 * cpplex.c (init_trigraph_map): Remove.
3658 (trigraph_ok, trigraph_replace, lex_line): Refer to
3661 * cpplib.c (str_match, WARNING, ERROR, ICE): Delete.
3662 (do_unassert): Remove unused "next" local.
3664 * system.h (HAVE_DESIGNATED_INITIALIZERS): New prototype.
3666 2000-08-18 Emmanuel Marty <emarty@suntech.fr>
3668 * arm/lib1funcs.asm (_umodsi3 THUMB VARIANT): Restore deleted return
3671 2000-08-17 Richard Henderson <rth@cygnus.com>
3673 * config/ia64/ia64.c (spill_restore_mem): Handle emitting
3674 the first insn in a sequence.
3676 Thu Aug 17 22:40:05 EDT 2000 John Wehle (john@feith.com)
3678 * alias.c (true_dependence, write_dependence_p): A read
3679 involving a label_ref or the constant pool doesn't create
3682 * rtl.h (unchanging): Improve documentation.
3684 2000-08-17 Rodney Brown <RodneyBrown@mynd.com>
3686 * cse.c (insert_regs): Remove unused `regno'.
3688 2000-08-17 Neil Booth <NeilB@earthling.net>
3690 * (cppinit.c) merge_include_chains: Use remove_dup_dir,
3691 remove_dup_dirs. If qtail == brack, remove brack not
3693 (remove_dup_dir, remove_dup_dirs): New functions.
3695 2000-08-17 Neil Booth <NeilB@earthling.net>
3697 * cppinit.c (cpp_cleanup): Free include dir chains.
3698 * cpplib.c (do_undef): Let _cpp_free_definition make the node void.
3699 (do_unassert): Free the assert with _cpp_free_definition.
3700 * cppmacro.c (_cpp_free_definition): Free memory allocated for
3701 assertions. Make the node a T_VOID node.
3703 2000-08-17 Neil Booth <NeilB@earthling.net>
3705 * cppinit.c (path_include, append_include_chain):
3706 Remove 2nd parameter (struct cpp_pending *).
3707 (path_include, initialize_standard_includes, cpp_handle_option):
3708 Update callers appropriately.
3709 (cpp_handle_option): Use pend.
3711 2000-08-17 Neil Booth <NeilB@earthling.net>
3713 * cppinit.c (sort_options): Remove, put functionality in
3716 (initialize_builtins): Free memory.
3717 (cpp_start_read): Move init_IStable to cpp_init.
3719 * cpplib.h (cpp_init): New prototype.
3720 * cppmain.c (main): Call cpp_init.
3722 Thu Aug 17 13:20:32 EDT 2000 John Wehle (john@feith.com)
3724 * rtlanal.c (rtx_unstable_p): Use CONSTANT_P.
3725 (rtx_unstable_p, rtx_varies_p): Process vectors.
3727 2000-08-16 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
3729 * config/sh/lib1funcs.asm (GLOBAL): Define. Use for all
3730 references to GLOBAL symbols. Use LOCAL where appropriate.
3732 2000-08-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3734 * configure.in (*-ibm-aix4.[12]*): Delete test for gnu ld. Always
3735 use t-aix41 when host == target.
3737 2000-08-16 Richard Henderson <rth@cygnus.com>
3739 * reload.c (push_secondary_reload): Revert last change.
3740 If we use a reload_in/out pattern, make the when the same
3741 as the primary reload.
3742 (find_reloads): Likewise.
3744 2000-08-16 Manfred Hollstein <manfredh@redhat.com>
3746 * configure.in (libstdcxx-v3): Fix test.
3747 * configure: Regenerate.
3749 Wed Aug 16 08:10:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3751 * calls.c (calls_function_1, expand_call): Only test
3752 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
3753 * function.c (thread_prologue_and_epilogue_insns): Likewise.
3755 2000-08-16 Richard Henderson <rth@cygnus.com>
3757 * combine.c (simplify_shift_const): Revert previous two
3758 changes. If SHIFT_COUNT_TRUNCATED, crop the shift count
3759 before the main loop.
3761 2000-08-15 Richard Henderson <rth@cygnus.com>
3763 * combine.c (simplify_shift_const): Bound shift count when
3766 Tue Aug 15 17:33:05 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3768 * calls.c (ECF_SP_DEPRESSED): New macro.
3769 (calls_function_1): Treat calling sp-depressed function as alloca.
3770 (emit_call_1): Don't adjust SP if calling sp-depressed function.
3771 (expand_call): Set ECF_SP_DEPRESSED if TYPE_RETURNS_STACK_DEPRESSED.
3772 If sp-depressed, ensure block saves and restores SP.
3773 * fold-const.c (extract_muldiv): Only check TYPE_IS_SIZETYPE
3775 * function.c (keep_stack_depressed): New function.
3776 (thread_prologue_and_epilogue_insns): Call it.
3777 * print-tree.c (print_node): Use HOST_WIDE_INT_PRINT_UNSIGNED
3778 to print DECL_OFFSET_ALIGN.
3779 Print no-force-blk and transparent-union flags properly.
3780 * stmt.c (expand_goto_internal): Don't restore stack if last block
3781 and function returns with sp depressed.
3782 (fixup_gotos): Likewise.
3783 (save_stack_pointer): New function, from code in expand_decl.
3784 (expand_decl): Call new function.
3785 * tree.h (TYPE_IS_SIZETYPE): Call INTEGER_TYPE_CHECK.
3786 (TYPE_RETURNS_STACK_DEPRESSED): New macro.
3787 (save_stack_pointer): New declaration.
3789 * diagnostic.c (fatal_function): New variable.
3790 (set_fatal_function): New function.
3792 * diagnostic.h (set_fatal_function): New declaration.
3794 2000-08-15 William Cohen <wcohen@redhat.com>
3796 * config/sh/elf.h (DWARF2_DEBUGGING_INFO): Defined.
3797 (PREFERRED_DEBUGGING_TYPE): Set to dwarf2 info.
3798 (DWARF2_ASM_LINE_DEBUG_INFO): Defined.
3800 2000-08-15 Richard Henderson <rth@cygnus.com>
3802 * flow.c (mark_used_reg): Set reg_cond_reg appropriately.
3804 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
3806 * arm.c (arm_function_ok_for_sibcall): New function.
3807 * arm.h (FUNCTION_OK_FOR_SIBCALL): Define.
3808 * arm.md (call expanders): Don't check here for calls that can't
3811 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
3813 * arm.md (splits generating cond_exec): Disable.
3815 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
3817 * arm/linux-elf.h (text_section): Delete declaration.
3819 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
3821 ARM support for unordered FP operations.
3822 * arm-protos.h (arm_comparison_operator): Declare.
3823 * arm.c (arm_comparison_operator): New function.
3824 (arm_select_cc_mode): Add unordered comparison codes.
3825 (get_arm_condition_code): Likewise.
3826 (arm_final_prescan_insn): Can't handle unordered jumps that can't
3827 be done in one insn.
3828 * arm.h (PREDICATE_CODES): Add arm_comparison_operator.
3829 * arm.md (all uses of comparison_operator): Replace with
3830 arm_comparison_operator.
3831 (bunordered, bordered, bugt, bunlt, bunge, bunle, buneq, bltgt): New
3833 (arm_buneq, arm_bltgt, arm_buneq_reversed, arm_bltgt_reveresed): New
3836 Tue Aug 15 00:36:36 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
3838 * gthr-posix.h: Conditionally include <sched.h>; include
3839 <config.h> from libobjc/.
3841 2000-08-14 Richard Henderson <rth@cygnus.com>
3843 * config/i386/i386.c (legitimize_pic_address): Use Pmode
3846 2000-08-14 Richard Henderson <rth@cygnus.com>
3848 * configure.in (ia64-*): Set float_format for i386 long double.
3850 * real.c (GET_REAL): Treat 128-bit INTEL_EXTENDED_IEEE_FORMAT
3851 as we would for i386 XFmode.
3852 (PUT_REAL): Likewise.
3853 (endian, ereal_atof, real_value_truncate): Likewise.
3854 (ereal_isneg, toe64, etens, make_nan): Likewise.
3855 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Likewise.
3857 * config/ia64/ia64-protos.h: Update.
3858 * config/ia64/ia64.c (general_tfmode_operand): New.
3859 (destination_tfmode_operand): New.
3860 (tfreg_or_fp01_operand): New.
3861 (ia64_split_timode): New.
3862 (spill_tfmode_operand): New.
3863 (ia64_expand_prologue): Use TFmode not XFmode.
3864 (ia64_expand_epilogue): Likewise.
3865 (ia64_function_arg): Likewise.
3866 (ia64_function_arg_advance): Likewise.
3867 (ia64_return_in_memory): Likewise.
3868 (ia64_function_value): Likewise.
3869 (ia64_print_operand): Likewise.
3870 (ia64_register_move_cost): Set GR<->FR to 5.
3871 (ia64_secondary_reload_class): Get GR for TImode memory op.
3872 * config/ia64/ia64.h (ROUND_TYPE_SIZE): Remove.
3873 (ROUND_TYPE_ALIGN): Remove.
3874 (LONG_DOUBLE_TYPE_SIZE): Set to 128.
3875 (INTEL_EXTENDED_IEEE_FORMAT): Define.
3876 (HARD_REGNO_NREGS): Use TFmode, not XFmode.
3877 (HARD_REGNO_MODE_OK): Likewise. Disallow TImode in FRs.
3878 (MODES_TIEABLE_P): Use TFmode, not XFmode.
3879 (CLASS_MAX_NREGS): Likewise.
3880 (ASM_OUTPUT_LONG_DOUBLE): Output by 4 byte hunks.
3881 (PREDICATE_CODES): Update.
3882 * config/ia64/ia64.md (movti): New.
3883 (movti_internal): Use a clobber for memory alternatives.
3884 (reload_inti, reload_outti): New.
3885 (movsfcc_astep): Predicate properly.
3886 (movdfcc_astep): Likewise.
3889 (extendsftf2, extenddftf2): New.
3890 (trunctfsf2, trunctfdf2): New.
3891 (floatditf2, fix_trunctfdi2): New.
3892 (floatunsditf2, fixuns_trunctfdi2): New.
3893 (addtf3, subtf3, multf3, abstf2): New.
3894 (negtf2, nabstf2, mintf3, maxtf3): New.
3895 (maddtf3, msubtf3, nmultf3, nmaddtf3): New.
3897 (fr_spill): Use TFmode, not XFmode.
3898 (fr_restore): Likewise.
3899 * config/ia64/lib1funcs.asm (__divtf3): New.
3900 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add it.
3902 2000-08-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3904 * cse.c (fold_rtx): Avoid empty body in an if-statement.
3906 * doloop.c (doloop_iterations_max, doloop_modify): Avoid using the
3907 `U' integer constant suffix.
3909 * dwarf2out.c (add_subscript_info): Avoid empty body in an
3912 * sparc/sol2.h (__enable_execute_stack): Prototype.
3914 2000-08-14 David Edelsohn <edelsohn@gnu.org>
3916 * collect2.c: Remove use of AIX import file.
3918 * longlong.h: Test ARCH_PWR not ARCH_POWER.
3920 * rs6000.c (print_operand, case 'E'): Add else.
3922 2000-08-14 Richard Henderson <rth@cygnus.com>
3924 * config/ia64/ia64.md (movdi): Delay calling ia64_expand_load_address.
3925 (movdi_symbolic): New.
3927 2000-08-14 Jim Wilson <wilson@cygnus.com>
3929 * config/ia64/ia64.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
3930 to GNU as. For Intel as, pass -M const_gp and -M no_plabel.
3931 * config/ia64/linux.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
3934 2000-08-14 Richard Henderson <rth@cygnus.com>
3936 * expr.c (emit_group_load): Don't force constants into registers.
3937 Special case source already in the correct mode.
3939 2000-08-14 Zack Weinberg <zack@wolery.cumb.org>
3941 * configure.in: Accept *-*-linux* not just *-*-linux-gnu*.
3942 * fixinc/inclhack.def: Likewise.
3943 * fixinc/mkfixinc.sh: Likewise.
3944 * configure: Regenerate.
3945 * fixinc/fixincl.x: Regenerate.
3946 * install.texi: Document equivalence of linux and linux-gnu.
3948 Mon Aug 14 18:51:44 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3950 * cse.c (insert_regs): Also in REG case: When finding an invalid
3951 value, and we make a new quantity, make sure that it won't be
3952 mistaken by for a valid one by mention_regs.
3954 2000-08-13 Ralf Gütlein <ralf.guetlein@aranea.de>
3956 * h8300.md: Remove obsolete peepholes.
3958 2000-08-13 Kazu Hirata <kazu@hxi.com>
3960 * invoke.texi (H8/300 Options): Fix typos.
3961 * config/h8300.c: Fix formatting.
3962 * config/h8300.h: Fix comment typos.
3963 (OVERRIDE_OPTIONS): Fix formatting.
3965 * function.c: Fix formatting.
3967 * cse.c: Fix formatting.
3969 2000-08-13 Geoff Keating <geoffk@cygnus.com>
3971 * flow.c (attempt_auto_inc): Remove unused variable `bb'.
3972 (attempt_auto_inc): Suppress parentheses warning.
3973 * function.c (put_reg_into_stack): Remove unused variable `unsigned_p'.
3974 * loop.c (load_mems): Remove `u' suffix in two places.
3975 * config/rs6000/rs6000.c: Remove unnecessary `u' suffixes from
3977 * config/rs6000/rs6000.h: Likewise.
3978 * config/rs6000/sol-c0.c: Prototype some functions. Remove the
3979 __eabi dummy routine.
3980 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Remove unused
3983 * config/rs6000/rs6000.c (rs6000_select_section): Rewrite to
3984 not put stuff in .sdata unnecessarily.
3985 (rs6000_unique_section): New function.
3986 * config/rs6000/rs6000-protos.h: Add rs6000_unique_section.
3987 * config/rs6000/sysv4.h (UNIQUE_SECTION): Define.
3989 * c-typeck.c (build_array_ref): Don't complain about non-lvalue
3990 arrays in C99. Don't try to look at DECL_REGISTER of a
3991 COMPONENT_REF. Don't complain twice about the same error.
3993 * fixinc/inclhack.def (aix_pthread): New fix.
3994 (aix_sysmachine): New fix.
3995 * fixinc/fixincl.x: Regenerate.
3997 * expr.c (expand_expr): Call convert_modes when turning a large
3998 multiply into a small one.
4000 2000-08-12 Geoff Keating <geoffk@cygnus.com>
4002 * tree.h (DECL_OFFSET_ALIGN): Make the off_align field of
4003 the tree structure an exponent rather than an explicit alignment
4004 so it doesn't overflow.
4005 (SET_DECL_OFFSET_ALIGN): New macro.
4006 * stor-layout.c (place_union_field): Use SET_DECL_OFFSET_ALIGN
4007 rather than DECL_OFFSET_ALIGN.
4008 (place_field): Likewise.
4009 * expmed.c (store_bit_field): Abort on align==0 to avoid
4010 antisocial machine behaviour.
4012 2000-08-12 Richard Henderson <rth@cygnus.com>
4014 * sibcall.c (uses_addressof): Accept both addressof and
4015 current_function_internal_arg_pointer inside a mem.
4016 (optimize_sibling_and_tail_recursive_call): Fail tail recursion
4017 if current_function_uses_addressof.
4018 * stmt.c (expand_return): Kill tail recursion and HAVE_return
4021 2000-08-11 Richard Henderson <rth@cygnus.com>
4023 * config/ia64/ia64.md (addsi3): Remove expander.
4024 (subsi3, mulsi3, negsi2, one_cmplsi2): Likewise.
4025 (*addsi3_shladd): New.
4027 2000-08-11 Richard Henderson <rth@cygnus.com>
4029 * config/ia64/ia64.c (do_spill): Pass cfa offset to move expander.
4030 (do_restore): Likewise.
4031 (gen_movdi_x, gen_fr_spill_x, gen_fr_restore_x): New.
4032 (ia64_expand_prologue, ia64_expand_epilogue): Use them.
4033 (rtx_needs_barrier): Track actual bit manipulation for
4034 ar.unat moves, gr_spill, and gr_restore.
4035 (emit_insn_group_barriers): Special case gr_spill/gr_restore.
4036 (process_set): Don't handle varargs spills.
4037 * config/ia64/ia64.md (gr_spill): Accept cfa offset. Emit
4038 .mem.offset here instead of in process_set.
4039 (gr_restore): Likewise.
4041 2000-08-11 Richard Henderson <rth@cygnus.com>
4043 * config/ia64/ia64.h (PROMOTE_MODE): Only extend to SImode.
4045 2000-08-11 Mark Elbrecht <snowball3@bigfoot.com>
4047 * gcc.texi (The Configuration File): Document
4048 COLLECT2_HOST_INITIALIZATION, GCC_DRIVER_HOST_INITIALIZATION, and
4049 UPDATE_PATH_HOST_CANONICALIZATION.
4051 2000-08-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4053 * c-parse.in (cast_expr): Avoid -Wstrict-prototype warnings for
4054 unprototyped function pointer casts on integer constants.
4056 2000-08-11 Laurynas Biveinis <lauras@softhome.net>
4058 * fixproto: Recognize DOS paths with drive letters as absolute paths.
4060 2000-08-11 Nathan Sidwell <nathan@codesourcery.com>
4062 * extend.texi (Volatiles): Fix typos.
4064 2000-08-11 Kazu Hirata <kazu@hxi.com>
4066 * flow.c: Fix formatting.
4068 2000-08-11 Richard Henderson <rth@cygnus.com>
4070 * reload.c (push_secondary_reload): When invoking a reload_{in,out}
4071 pattern, always allocate a tertiary scratch register.
4073 * config/alpha/alpha.md (reload_inqi): Use a DImode scratch.
4074 (reload_inhi): Likewise.
4076 2000-08-11 Richard Henderson <rth@cygnus.com>
4078 * function.c (put_reg_into_stack): Allow type to be NULL.
4079 (schedule_fixup_var_refs): Likewise.
4080 (gen_mem_addressof): Allow decl to be NULL.
4081 (put_addressof_into_stack): Likewise.
4083 * flow.c (merge_blocks_nomove): Be more careful about
4084 locating the beginning of block A.
4086 * combine.c (simplify_shift_const): Obey SHIFT_COUNT_TRUNCATED.
4088 Thu Aug 10 22:47:09 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
4093 * config.in: Reverted the check for <sched.h>.
4095 2000-08-10 Chris Demetriou <cgd@sibyte.com>
4097 * mips/elf.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME): New
4098 macros define the name of CTOR and DTOR sections.
4099 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
4100 DTOR_LIST_END): Change to use attributes to specify
4102 * mips/elf64.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME,
4103 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
4104 DTOR_LIST_END): Same as in mips/elf.h.
4106 2000-08-10 Drew Moseley <dmoseley@redhat.com>
4108 * config/mn10300/mn10300.h: Added no-crt0 option for explicitly
4109 disabling just crt0.o.
4111 2000-08-10 Richard Earnshaw <rearnshaw@arm.com> & Nick Clifton <nickc@cygnus.com>
4113 * arm.h (CPP_SPEC): Use sub-spec cpp_interwork.
4114 (CPP_INTERWORK_SPEC, CPP_INTERWORK_DEFAULT_SPEC): New sub-specs.
4115 (EXTRA_SPECS): Add them.
4116 * arm/lib1funcs.asm: Support builds for interworking.
4117 Use macros to eliminate duplicated pieces of code.
4119 2000-08-10 Kazu Hirata <kazu@hxi.com>
4121 * h8300.c (expand_a_rotate): New.
4122 (emit_a_rotate): Likewise.
4123 (h8300_adjust_insn_length): Add support for the rotate insns.
4124 * h8300.md (rotlqi3): New.
4125 (*rotlqi3_1): Likewise.
4126 (rotlhi3): Likewise.
4127 (*rotlhi3_1): Likewise.
4128 (rotlhi3): Likewise.
4129 (*rotlhi3_1): Likewise.
4130 * h8300-proto.h: Add prototypes for expand_a_rotate and
4133 * h8300.c: Fix comment typos.
4134 (dosize): Declare the variable amount as unsigned.
4135 (get_shift_alg): Fix a comparison between signed and unsigned.
4136 (emit_a_shift): Likewise.
4137 (h8300_adjust_insn_length): Simplify the code.
4139 * c-decl.c: Fix formatting.
4141 2000-08-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4143 * c-lex.c (parse_float, yylex): For -Wtraditional, issue a
4144 warning about non-traditional numeric constant suffixes.
4146 * cppexp.c (parse_number): Likewise.
4148 * invoke.texi: (-Wtraditional): Document new behavior.
4150 Thu Aug 10 00:11:04 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
4152 * gthr-posix.h: Include auto-host.h. Conditionally include
4154 * configure.in: Check for the <sched.h> header file.
4155 * config.in: Added define for HAVE_SCHED_H.
4157 2000-08-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4159 * c-typeck.c (process_init_element): For -Wtraditional, warn about
4160 initialization of unions.
4162 * invoke.texi (-Wtraditional): Document new behavior.
4164 2000-08-09 Zack Weinberg <zack@wolery.cumb.org>
4166 * configure.in (--enable-c-cpplib): Uncomment. Use AC_DEFINE
4167 instead of extra_c_flags.
4168 (--enable-c-mbchar): Use AC_DEFINE instead of extra_c_flags.
4169 * configure: Regenerate.
4170 * config.in: Regenerate.
4172 * cpperror.c (cpp_type2name): New function.
4173 * cpplex.c (lex_line): If we issued an error for an invalid
4174 preprocessing directive, discard that logical line.
4175 * cpplib.c (do_line): Call a hook function if the current file
4176 is renamed by #line.
4177 (do_ident): Pass the contents of the string, not the entire
4178 token, to the callback function.
4179 * cpplib.h (CPP_LAST_PUNCTUATOR): New #define.
4180 (cb.rename_file): New hook function.
4181 (cb.ident): Adjust prototype.
4182 (cpp_type2name): Prototype.
4183 * cppmacro.c (dump_macro_args): Correct precedence lossage.
4185 * cppmain.c (cb_ident): Update for changed interface.
4186 (cb_rename_file): New function.
4187 (main): Set rename callback.
4189 2000-08-09 Alexandre Oliva <aoliva@redhat.com>
4191 * caller-save.c (mark_referenced_regs): Mark partially-overwritten
4192 multi-word registers.
4194 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
4196 * c-common.c (combine_strings, check_format_info): Refer to ISO C
4197 or ISO C89 instead of ANSI C.
4198 * c-decl.c (grokdeclarator, xref_tag, finish_struct,
4199 build_enumerator, do_case): Likewise.
4200 * c-lex.c (parse_float, yylex): Likewise.
4201 * c-parse.in: Likewise.
4202 * c-typeck.c (common_type, build_array_ref, build_binary_op,
4203 build_unary_op, pedantic_lvalue_warning, build_conditional_expr,
4204 build_c_cast, convert_for_assignment, set_init_index,
4205 set_init_label, c_expand_start_case): Likewise.
4206 * toplev.c (documented_lang_options, display_help): Likewise.
4208 2000-08-08 Kazu Hirata <kazu@hxi.com>
4210 * h8300.c: Fix formatting.
4211 * h8300.h: Likewise.
4212 * h8300.md: Likewise.
4213 (movsi_h8300hs): Fix formatting of the resulting assembly code.
4215 * reload1.c: Fix formatting.
4217 2000-08-08 Rodney Brown <RodneyBrown@mynd.com>
4219 * alpha/alpha.c (alpha_emit_xfloating_libcall):
4220 Use GEN_CALL_VALUE define.
4221 * alpha/alpha.md (untyped_call): Use GEN_CALL define.
4222 * clipper/clipper.md (untyped_call): Likewise.
4223 * dsp16xx/dsp16xx.md (untyped_call): Likewise.
4224 * fx80/fx80.md (untyped_call): Likewise.
4225 * mips/mips.md (untyped_call): Likewise.
4226 * ns32k/ns32k.md (untyped_call): Likewise.
4227 * pa/pa.md (untyped_call): Likewise.
4228 * romp/romp.md (untyped_call): Likewise.
4229 * sparc/sparc.md (untyped_call): Likewise.
4231 2000-08-08 Jason Eckhardt <jle@cygnus.com>
4233 * config/i860/i860.c (singlemove_string): Do not generate assembler
4234 pseudo instructions that must be expanded (that is, with signed
4235 constants larger than 16 bits).
4237 2000-08-08 Richard Henderson <rth@cygnus.com>
4239 * flow.c (life_analysis): Only turn off PROP_LOG_LINKS and
4240 PROP_AUTOINC at -O0. Don't collect alias info at -O0.
4241 (init_propagate_block_info): Don't kill memory stores at -O0.
4242 (mark_set_1, mark_used_regs): Likewise.
4244 2000-08-08 David Edelsohn <edelsohn@gnu.org>
4246 * rs6000.c (optimization_options): Decorate 'level' as
4248 (mask64_operand): Remove sign-extend thinko.
4249 (rldic_operand): New function.
4250 (load_multiple_operation): regno's are unsigned ints.
4251 (store_multiple_operation): Likewise.
4252 (lmw_operation): Likewise.
4253 (stmw_operation): Likewise.
4254 (includes_lshift_p): shift_mask is unsigned int.
4255 (includes_lshift64_p): New function.
4256 (addrs_ok_for_quad_peep): unsigned int reg1.
4257 (print_operand): Consistently add "else" after
4258 output_operand_lossage().
4259 (print_operand, case 'b'): Fold in case 'W'.
4260 (print_operand, case 'W'): Print rldic MB value.
4261 (output_epilogue): Update Objective-C language string.
4262 (output_toc): unsigned HOST_WIDE_INT low, compare unsigned.
4263 * rs6000.h (PREDICATE_CODES): Add rldic_operand.
4264 * rs6000.md (ashldi3): Add rldic instruction.
4265 (iordi3, xordi3): Remove redundant "else if CONST_DOUBLE".
4266 (cmpsi_internal2, cmpdi_interal2): Use 'b' output template
4269 2000-08-08 Richard Henderson <rth@cygnus.com>
4271 * config/ia64/ia64-protos.h: Remove duplicates. Update
4272 for massive code rearrangements.
4273 * config/ia64/ia64.c (ia64_arpfs_regno): Remove.
4274 (ia64_rp_regno, ia64_fp_regno, ia64_input_regs): Remove.
4275 (ia64_local_regs, ia64_need_regstk): Remove.
4276 (ar_ccv_reg_operand): New.
4277 (ia64_gp_save_reg): New.
4278 (struct ia64_frame_info): Combine most of the size elements;
4279 add new gr save elements.
4280 (find_gr_spill): New.
4281 (next_scratch_gr_reg): New.
4282 (mark_reg_gr_used_mask): New.
4283 (ia64_compute_frame_size): Rewrite. Allocate special AR regs
4284 to GR backing store regs when possible.
4285 (ia64_initial_elimination_offset): New.
4286 (ia64_rap_fp_offset): Remove.
4287 (save_restore_insns): Remove.
4288 (setup_spill_pointers): New.
4289 (finish_spill_pointers): New.
4290 (spill_restore_mem): New.
4291 (do_spill, do_restore): New.
4292 (ia64_expand_prologue): Rewrite to use them.
4293 (ia64_expand_epilogue): Likewise.
4294 (ia64_direct_return): Update for current_frame_info changes.
4295 (ia64_function_prologue): Simplify .prologue emission. Emit
4297 (ia64_setup_incoming_varargs): Don't ever emit rtl.
4298 (ia64_dbx_register_number): New.
4299 (ia64_initialize_trampoline): New.
4300 (ia64_secondary_reload_class): Request GR_REGS for integer
4301 arithmetic destined for FR_REGS.
4302 (ia64_init_machine_status): Don't reset return_address_pointer_rtx.
4303 (ia64_mark_machine_status): Mark ia64_gp_save.
4304 (rws_access_regno): Rename from rws_access_reg; don't treat
4305 predicates specially.
4306 (rws_access_reg): New. Update all callers.
4307 (rtx_needs_barrier): Remove dead unspecs.
4308 (ia64_epilogue_uses): Mark ar.pfs and ar.unat live on exit.
4309 (ia64_encode_section_info): Silence signed/unsigned warnings.
4310 (spill_offset, sp_offset, spill_offset_emitted): Remove.
4311 (tmp_reg, tmp_saved): Remove.
4312 (process_set): Rewrite to expect complicated bits via
4313 REG_FRAME_RELATED_EXPR.
4314 (ia64_expand_fetch_and_op): Use emit_move_insn; be explicit
4315 in the use of ar.ccv; never set RTX_UNCHANGING_P.
4316 (ia64_expand_op_and_fetch): Likewise.
4317 (ia64_expand_compare_and_swap): Likewise.
4318 (ia64_expand_builtin): Likewise.
4319 * config/ia64/ia64.h (AR_UNAT_REGNUM): New.
4320 (FIRST_PSEUDO_REGISTER): Update.
4321 (AR_M_REGNO_P): Update.
4322 (FIXED_REGS): Don't mark three local registers as used.
4323 (EXTRA_CC_MODES): New.
4324 (SELECT_CC_MODE): New.
4325 (HARD_REGNO_NREGS): Allow DImode in p0; handle CCImode.
4326 (HARD_REGNO_MODE_OK): Disallow CCImode from non-predicates.
4327 (FRAME_GROWS_DOWNWARD): Unset.
4328 (STARTING_FRAME_OFFSET): Zero.
4329 (ELIMINABLE_REGS): Eliminate from the soft to hard frame pointer.
4330 (INITIAL_ELIMINATION_OFFSET): Defer to out of line function.
4331 (HARD_FRAME_POINTER_REGNUM): New.
4332 (CAN_DEBUG_WITHOUT_FP): Define.
4333 (TRAMPOLINE_TEMPLATE): Remove.
4334 (TRAMPOLINE_SIZE): Lower to 32.
4335 (TRAMPOLINE_ALIGNMENT): Lower to 64.
4336 (INITIALIZE_TRAMPOLINE): Defer to out of line function.
4337 (PREDICATE_CODES): Update.
4338 (struct machine_function): Add ia64_gp_save.
4339 * config/ia64/ia64.md: Purge unused unspecs.
4340 (movsi patterns): Allow moves to/from AR_M_REGS.
4341 (movdi patterns): Allow moves to/from p0.
4342 (call patterns): Move most setjmp hackery to ia64_gp_save_reg.
4343 (gr_spill, gr_restore): Indicate ar.unat read/written.
4344 (nonlocal_goto): Don't pass old frame_pointer.
4345 (nonlocal_goto_receiver): Remove.
4346 (exception_receiver): New.
4347 (builtin_setjmp_setup): New.
4348 (builtin_setjmp_receiver): New.
4349 * config/ia64/lib1funcs.asm (__ia64_save_stack_nonlocal): Bundle.
4350 (__ia64_nonlocal_goto): Bundle. Don't kill r7.
4351 (__ia64_restore_stack_nonlocal): Likewise.
4352 (__ia64_trampoline): New.
4353 * config/ia64/sysv4.h (DBX_REGISTER_NUMBER): Defer to out of line
4355 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __trampoline.
4357 2000-08-08 Richard Henderson <rth@cygnus.com>
4359 * frame.h (ia64_frame_state): Add my_psp.
4360 * libgcc2.c (ia64_throw_helper): Add throw_sp argument.
4361 (__throw): Pass it in. Don't clobber r7.
4362 * config/ia64/frame-ia64.c (init_ia64_reg_loc): Mark inline.
4363 (execute_one_ia64_descriptor) [mem_stack_v]: Sets psp.when
4364 and nothing to do with sp.
4365 (normalize_reg_loc): Use frame->my_psp.
4366 (frame_translate): Handle frame-pointer-less functions. Set
4367 spill_base correctly, in absence of being told.
4368 (__build_ia64_frame_state): New sp argument. Fill in frame->my_sp.
4369 (__ia64_backtrace_helper): New sp argument. Use
4370 builtin_return_address instead of label addresses.
4371 (print_record) [mem_stack_v]: No size member.
4373 2000-08-08 Richard Henderson <rth@cygnus.com>
4375 * regclass.c (choose_hard_reg_mode): Iterate over all CC modes.
4377 2000-08-08 Richard Henderson <rth@cygnus.com>
4379 * tm.texi (LOCAL_REGNO): Document.
4380 * flow.c (LOCAL_REGNO, EPILOGUE_USES): Provide default.
4381 (mark_regs_live_at_end): Don't mark LOCAL_REGNO registers.
4382 * reload1.c (reload): Likewise when considering nonlocal labels.
4384 * config/ia64/ia64.h (LOCAL_REGNO): New.
4385 * config/sparc/sparc.h (LOCAL_REGNO): New.
4387 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
4389 * c-lex.c (yylex): Don't allow integer suffixes 'LUL', 'Ll', 'lL'.
4391 2000-08-07 Nick Clifton <nickc@redhat.com>
4393 * config/mips/mips.c: Fix compile time warning messages.
4394 * config/mips/mips-protos.h: Add prototype for equality_op.
4396 * mn10300.h (TARGET_SWITCHES): Document `-mam33'.
4398 2000-08-07 Graham Stott <grahams@cygnus.co.uk>
4400 * mn10300.md: Use nonimmediate_operand instead of general_operand
4403 * mn10300.h (PREFERRED_RELOAD_CLASS): Limit memory reloads.
4405 2000-08-07 Alexandre Oliva <aoliva@redhat.com>
4407 * sh.h (EXTRA_CONSTRAINT_Q): Adjust to GNU Coding Standards.
4408 * sh.c (expand_block_move): Break long lines.
4409 (expand_ashiftrt, fpscr_set_from_mem): Likewise.
4410 * sh.md (mulsi3): Likewise.
4411 (movdi): Adjust spacing.
4413 2000-08-07 Richard Henderson <rth@cygnus.com>
4415 * expmed.c (store_bit_field): Don't require MEM_IN_STRUCT_P.
4416 * expr.c (emit_group_store): Don't set it.
4418 2000-08-07 Kazu Hirata <kazu@hxi.com>
4420 * invoke.texi (Options for Debugging Your Program or GCC): Remove
4421 duplicate entries for 'w' and 'z'.
4423 * flow.c: Fix a comment typo.
4425 Sun Aug 6 23:47:35 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
4427 * c-parse.in: Changed the language string for Objective-C to "GNU
4430 Sun Aug 6 11:54:03 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
4432 * gthr-posix.h: Integrated Chris Ball's <cball@fmco.com> changes
4433 to improve the Posix thread support for Objective-C.
4435 2000-08-06 Joseph S. Myers <jsm28@cam.ac.uk>
4437 * c-common.h (enum c_tree_index): Add CTI_SIGNED_SIZE_TYPE and
4438 CTI_UNSIGNED_PTRDIFF_TYPE.
4439 (signed_size_type_node): Define.
4440 (unsigned_ptrdiff_type_node): Define.
4441 * c-decl.c (init_decl_processing): Create the
4442 signed_size_type_node and unsigned_ptrdiff_type_node types.
4443 * c-common.c (T_SC): Define.
4446 (print_char_table): Use T_SST for %zd, %zi, %zn. Use T_UPD for
4447 %to, %tu, %tx, %tX. Allow %hhn (T_SC). Add "c" to the flags for
4449 (scan_char_table): Use T_SC for %hhd, %hhi, %hhn. Use T_SST for
4450 %zd, %zi, %zn. Use T_UPD for %to, %tu, %tx, %tX. Add "c" to the
4451 flags for %c, %s and %[.
4452 (check_format_info): Only allow leniency for signedness of targets
4453 of character pointers (when pedantic) for formats flagged with
4454 "c", so for strings but not for %hh formats. When pedantic, don't
4455 allow character pointers to substitute for void pointers if a
4456 second level of indirection is present.
4458 2000-08-06 Kazu Hirata <kazu@hxi.com>
4460 * invoke.texi (Options for Debugging Your Program or GCC): Update
4461 the names of dump files.
4463 * h8300.c (dosize): Rearrange code for conciseness.
4464 (split_adds_subs): Likewise.
4466 * loop.c: Fix formatting.
4468 * dwarf2out.c: Fix formatting.
4470 * tm.texi (FUNCTION_ARG_PARTIAL_NREGS): Fix a typo.
4472 * expr.c: Fix formatting.
4474 2000-08-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4476 * rs6000.c (rs6000_maybe_dead): Prototype.
4478 2000-08-06 Richard Henderson <rth@cygnus.com>
4480 * stmt.c (expand_goto): Do virtual_stack_vars_rtx replacement for
4481 HAVE_nonlocal_goto as well.
4482 * config/i960/i960.md (nonlocal_goto): Don't do it here.
4483 * config/pj/pj.md (nonlocal_goto): Likewise.
4485 2000-08-07 Michael Hayes <mhayes@cygnus.com>
4487 * loop.c (try_swap_copy_prop): New function.
4488 (load_mems): Rename copies to load_copies and add new regset
4489 store_copies. Check for sets of shadow registers and mark
4490 in store_copies. Call try_swap_copy_prop for registers
4491 marked in store_copies.
4493 Sun Aug 6 00:54:42 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
4495 * objc/objc-act.c: New command line option -fconstant-string-class
4496 to allow specifying a user defined constant string class,
4497 different from NXConstantString.
4499 * toplev.c: Moved the Objective-C specific options to
4500 objc/lang-options.h.
4502 * objc/lang-options.h: Moved the Objective-C specific options from
4503 toplev.c. Added -fconstant-string-class.
4505 2000-08-05 Chris Demetriou <cgd@sibyte.com>
4507 * mips/elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
4508 DTOR_LIST_BEGIN, DTOR_LIST_END): change type of
4509 __CTOR_LIST__ from func_ptr array to just func_ptr, to
4510 avoid extra alignment imposed on arrays.
4511 * mips/elf64.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
4512 DTOR_LIST_BEGIN, DTOR_LIST_END): Likewise.
4514 * mips.h: Clean up comments and spacing near MASKs.
4515 (TARGET_UNIX_ASM): Delete.
4516 (MASK_MIPS16, MASK_NO_CHECK_ZERO_DIV, MASK_CHECK_RANGE_DIV,
4517 MASK_UNINIT_CONST_IN_RODATA): Change values to make mask
4520 2000-08-05 Joseph S. Myers <jsm28@cam.ac.uk>
4522 * c-common.c (print_char_table): Add entries for the X/Open '
4523 format flag (print decimals with locale's thousands grouping
4524 character). Make %C expect wint_t.
4525 (check_format_info): If pedantic, warn when the %n$ operand
4526 number form is used. Allow for the ' flag; warn about it if
4529 2000-08-05 Zack Weinberg <zack@wolery.cumb.org>
4531 * i386.h (FUNCTION_OK_FOR_SIBCALL): Not OK if DECL's return
4532 type is a float mode, cfun->decl's return type is not, and
4533 TARGET_FLOAT_RETURNS_IN_80387.
4535 2000-08-04 Andreas Schwab <schwab@suse.de>
4537 * cppmain.c (cb_def_pragma): Skip the first two tokens from the
4538 token list, which are always `#' and `pragma'.
4540 2000-08-04 Zack Weinberg <zack@wolery.cumb.org>
4542 * tree.c (tree_expr_nonnegative_p): Move to...
4543 * fold-const.c: ... here. Also handle BIND_EXPR and RTL_EXPR.
4544 (rtl_expr_nonnegative_p): New.
4545 * tree.h: Add prototype for rtl_expr_nonnegative_p.
4547 * real.h (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH, CONST_DOUBLE_MEM,
4548 CONST_DOUBLE_CHAIN: Move to...
4549 * rtl.h: ...here. Use XCINT/XCEXP.
4551 * Makefile.in: Remove toplev.o from OBJS. Add rule to make
4552 libbackend.a; add libbackend.a to STAGESTUFF. Add BACKEND
4553 variable. Use BACKEND when linking cc1, not OBJS. Add BACKEND
4556 * objc/Make-lang.in (cc1obj): Link with $(BACKEND).
4558 2000-08-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4560 * config/c4x/c4x.md (return_indirect_internal): New.
4561 * config/c4x/c4x.c (c4x_expand_epilogue): Use it.
4563 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
4565 * c-common.c (time_char_table): Mark up formats added in C99 and
4566 make other corrections. %D and %g were added in C99. %Og is an
4567 extension. %EX is permitted. %R, %T, %n, %r, %t were added in
4568 C99. %e was added in C99. %Oj is an extension. %G and %z are in
4569 C99 rather than GNU extensions, but %OG and %Oz are extensions.
4570 %h was added in C99. %C was added in C99. %OY and %OC are
4571 extensions. Add the C99 format %F.
4572 (check_format_info): If pedantic and not in C99 mode, warn for C99
4575 Fri Aug 4 23:01:58 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4577 * function.c (schedule_fixup_var_refs): New function, broken out
4578 of put_reg_into_stack.
4579 (put_reg_into_stack): Use it.
4580 (put_var_into_stack): In CONCAT case, fixup up references for
4581 components only after fixing up references to the whole concat.
4583 2000-08-04 Rodney Brown <RodneyBrown@pmsc.com>
4585 * alias.c (mark_constant_function): Use INSN_P.
4586 (init_alias_analysis): Likewise.
4587 * combine.c (combine_instructions): Use INSN_P.
4588 (can_combine_p): Likewise.
4589 (try_combine): Likewise.
4590 (distribute_notes): Likewise.
4591 (distribute_links): Likewise.
4592 * cse.c (cse_around_loop): Use INSN_P.
4593 (invalidate_skipped_block): Likewise.
4594 (cse_set_around_loop): Likewise.
4595 (cse_end_of_basic_block): Likewise.
4596 (delete_trivially_dead_insns): Likewise.
4597 * emit-rtl.c (unshare_all_rtl_again): Use INSN_P.
4598 (unshare_all_rtl_1): Likewise.
4599 (next_cc0_user): Likewise.
4600 (try_split make_insn_raw): Likewise.
4601 (remove_unnecessary_notes): Likewise.
4602 * final.c (shorten_branches): Use INSN_P.
4603 (leaf_renumber_regs): Likewise.
4604 (leaf_renumber_regs_insn): Likewise.
4605 * flow.c (find_label_refs): Use INSN_P.
4606 (verify_wide_reg): Likewise.
4607 (notice_stack_pointer_modification): Likewise.
4608 (count_or_remove_death_notes): Likewise.
4609 (verify_flow_info): Likewise.
4610 (clear_log_links): Likewise.
4611 * function.c (fixup_var_refs_insns): Use INSN_P.
4612 (compute_insns_for_mem): Likewise.
4613 * gcse.c (alloc_gcse_mem): Use INSN_P.
4614 (compute_sets): Likewise.
4615 (compute_hash_table): Likewise.
4616 (classic_gcse): Likewise.
4618 (insert_insn_end_bb): Likewise.
4619 (delete_null_pointer_checks_1): Likewise.
4620 * global.c (expand_preferences): Use INSN_P.
4621 (build_insn_chain): Likewise.
4622 * graph.c (node_data): Use INSN_P.
4623 * haifa-sched.c (priority): Use INSN_P.
4624 (rm_line_notes): Likewise.
4625 (rm_other_notes): Likewise.
4626 (find_insn_reg_weight): Likewise.
4627 (init_target_units): Likewise.
4628 (schedule_block): Likewise.
4629 (compute_block_forward_dependences): Likewise.
4630 (debug_dependencies): Likewise.
4631 (set_priorities): Likewise.
4632 * integrate.c (function_cannot_inline_p): Use INSN_P.
4633 (save_parm_insns): Likewise.
4634 (copy_insn_list): Likewise.
4635 * jump.c (mark_all_labels): Use INSN_P.
4636 (never_reached_warning): Likewise.
4637 * lcm.c (optimize_mode_switching): Use INSN_P.
4638 * local-alloc.c (validate_equiv_mem): Use INSN_P.
4639 (memref_used_between_p): Likewise.
4640 (update_equiv_regs): Likewise.
4641 (block_alloc): Likewise.
4642 (no_conflict_p): Likewise.
4643 * loop.c (scan_loop): Use INSN_P.
4644 (find_and_verify_loops): Likewise.
4645 (count_loop_regs_set): Likewise.
4646 (loop_reg_used_before_p): Likewise.
4647 (strength_reduce): Likewise.
4648 (recombine_givs): Likewise.
4649 (check_dbra_loop): Likewise.
4650 (load_mems): Likewise.
4651 (try_copy_prop): Likewise.
4652 * print-rtl.c (print_rtx): Use INSN_P.
4653 * recog.c (find_single_use): Use INSN_P.
4654 * reg-stack.c (stack_regs_mentioned): Use INSN_P.
4655 (next_flags_user): Likewise.
4656 (swap_rtx_condition): Likewise.
4657 * regmove.c (mark_flags_life_zones): Use INSN_P.
4658 (optimize_reg_copy_1): Likewise.
4659 (optimize_reg_copy_2): Likewise.
4660 (optimize_reg_copy_3): Likewise.
4661 (reg_is_remote_constant_p): Likewise.
4662 (fixup_match_2): Likewise.
4663 (regmove_optimize): Likewise.
4664 (fixup_match_1): Likewise.
4665 * regrename.c (build_def_use): Use INSN_P.
4666 (replace_reg_in_block): Likewise.
4667 (consider_use): Likewise.
4668 * reload.c (find_equiv_reg): Use INSN_P.
4669 * reload1.c (reload): Use INSN_P.
4670 (maybe_fix_stack_asms): Likewise.
4671 (calculate_needs_all_insns): Likewise.
4672 (reload_as_needed): Likewise.
4673 (emit_output_reload_insns): Likewise.
4674 (delete_address_reloads_1): Likewise.
4675 (reload_cse_regs_1): Likewise.
4676 (reload_combine): Likewise.
4677 (reload_cse_move2add): Likewise.
4678 * reorg.c (redundant_insn): Use INSN_P.
4679 (dbr_schedule): Likewise.
4680 * resource.c (find_dead_or_set_registers): Use INSN_P.
4681 (mark_target_live_regs): Likewise.
4682 * rtlanal.c (reg_used_between_p): Use INSN_P.
4683 (reg_referenced_between_p): Likewise.
4684 (reg_set_between_p): Likewise.
4685 (reg_set_p): Likewise.
4686 (single_set): Likewise.
4687 (multiple_sets): Likewise.
4688 (find_last_value): Likewise.
4689 (reg_set_last): Likewise.
4690 (find_reg_note): Likewise.
4691 (find_regno_note): Likewise.
4692 * sibcall.c (sequence_uses_addressof): Use INSN_P.
4693 * simplify-rtx.c (cselib_process_insn): Use INSN_P.
4694 * ssa.c (find_evaluations): Use INSN_P.
4695 (rename_block): Likewise.
4696 (rename_equivalent_regs): Likewise.
4697 * unroll.c (loop_find_equiv_value): Use INSN_P.
4698 (set_dominates_use): Likewise.
4699 * varasm.c (mark_constant_pool): Use INSN_P.
4700 (mark_constants): Likewise.
4701 * config/alpha/alpha.c (alpha_does_function_need_gp): Use INSN_P.
4702 (alphaev4_next_group): Likewise.
4703 (alphaev5_next_group): Likewise.
4704 * config/c4x/c4x.c (c4x_process_after_reload): Use INSN_P.
4705 (c4x_rptb_rpts_p): Likewise.
4706 * config/mips/mips.c (mips16_optimize_gp): Use INSN_P.
4707 * config/rs6000/rs6000.c (uses_TOC): Use INSN_P.
4708 (rs6000_adjust_priority): Likewise.
4709 * config/sh/sh.c (sh_loop_align): Use INSN_P.
4710 (machine_dependent_reorg): Likewise.
4711 (split_branches): Likewise.
4712 * config/tahoe/tahoe.c (tahoe_cmp_check): Use INSN_P.
4714 Fri Aug 4 11:43:49 2000 John Wehle (john@feith.com)
4716 * combine.c (recog_for_combine): Remove the old notes
4717 prior to attempting to recognize the new pattern.
4718 (distribute_notes): Ignore REG_NONNEG notes.
4720 2000-08-04 Chandrakala Chavva <cchavva@redhat.com>
4722 * varasm.c (output_constructor): Add .align 0 for packed vars.
4724 2000-08-04 J. David Anglin <dave@hiauly1.hia.nrc.ca>
4726 * configure.in: Use default thread_file even when enable_threads is
4727 yes or dce because hpux10.20 pa port uses MULTILIB implementation.
4728 * configure: Rebuilt.
4730 * gthr-dce.h (__gthread_objc_condition_allocate): Fix typo.
4732 2000-08-04 Donn Terry (donnte@microsoft.com)
4734 * prefix.c (translate_name): Don't strip trailing DIR_SEPARATOR.
4736 2000-08-04 Mark Elbrecht <snowball3@bigfoot.com>
4738 * i386/x-djgpp: Delete code that conditionally modifies target_alias.
4739 Delete code that conditionally modifies 'version'.
4740 Delete X_CPPFLAGS. Add comment for SYSTEM_HEADER_DIR.
4741 * i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): New macro.
4742 * gcc.c (main): Use it.
4743 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): New macro.
4744 * prefix.c (update_path): Use it.
4745 * i386/djgpp.h (STANDARD_INCLUDE_DIR): Define.
4746 (MD_EXEC_PREFIX): Set to '/dev/env/DJDIR/bin/'.
4747 (ASM_OUTPUT_SECTION_NAME): Add code attribute to sections containing
4749 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Default to true.
4750 (SUBTARGET_SWITCHES): Adjust.
4751 (WCHAR_UNSIGNED, WCHAR_TYPE_SIZE, WCHAR_TYPE): Undefine before
4753 (WINT_TYPE, SIZE_TYPE, PTRDIFF_TYPE): Define.
4755 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
4757 * c-common.h (flag_isoc94): Declare.
4758 * c-decl.c (flag_isoc94): Define.
4759 (c_decode_option): Set flag_isoc94 as appropriate.
4760 * c-common.c (T_PD, T_IM, T_UIM): Define.
4761 (format_char_info): Add tlen and jlen.
4762 (print_char_table): Add entries for %t and %j. Allow %zn. Allow
4764 (scan_char_table): Add entries for %t and %j. Allow %F. Allow
4766 (time_char_table): Add NULL entries for %t and %j.
4767 (check_format_info): Allow for %t and %j. Warn for %F if pedantic
4768 and not C99. Warn for %lc, %ls and %l[ if pedantic and not C94.
4769 Warn for printf %lf if pedantic and not C99. Don't warn for empty
4770 precision. Allow precision argument to be unsigned int. If
4771 pedantic, warn for %p passed an argument not a pointer to possibly
4772 qualified void or a possibly qualified character type, and for
4773 pointer targets of the wrong sign, except for character pointers.
4775 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
4777 * ginclude/stddef.h: Don't declare wint_t unless __need_wint_t.
4778 * c-common.h (enum c_tree_index): Add CTI_WINT_TYPE.
4779 (wint_type_node): Define.
4780 * c-decl.c (WINT_TYPE): Define.
4781 (init_decl_processing): Create the wint_type_node type.
4782 * c-common.c (T_WI): Define.
4783 (print_char_table): Use T_WI for %lc format.
4785 2000-08-04 Bruce Korb <bkorb@gnu.org>
4787 * fixinc/: Verified that the MSDOS patch does not break
4788 the UNIX functionality and applied the next three patches
4791 2000-07-28 Eli Zaretskii <eliz@is.elta.co.il>
4793 * fixinc/fixfixes.c (main) [__MSDOS__]: Avoid overwriting the
4794 output file with the temporary one by appending ".X" to generate
4795 the temporary fuile's name. If the output file already has an
4796 extension, replace it with ".X".
4798 * fixinc/fixincl.c (fix_with_system) [__MSDOS__]: Use $ORIGDIR,
4799 not $DESTDIR, to find applyfix. Use sprintf instead of snprintf;
4800 reallocate the command buffer while copying the command-line
4801 argument. Redirect the output directly to the temporary file,
4802 instead of going through another temporary file.
4803 (process): Close the temporary file before unlinking it.
4804 (machine_matches) [__MSDOS__]: If the machine doesn't match, set
4805 the FD_SKIP_TEST flag. Pay attention to the FD_MACH_IFNOT flag.
4806 (run_compiles): Pass p_fixd argument to machine_matches, as it
4809 * fixinc/fixincl.sh: Export ORIGDIR. If $DJDIR is set in the
4810 environment, assume there are no symlinks in the include
4811 directory. When cleaning up the DONE files, look for them
4812 case-insensitively. Don't try to remove symlinks if they aren't
4815 * fixinc/fixlib.c (make_raw_shell_str): Accept new argument smax;
4816 all callers changed. Declare pz "const char *", to avoid compiler
4819 * fixinc/fixlib.h (ENV_TABLE): Get ORIGDIR from the environment.
4820 Change prototype of make_raw_shell_str.
4822 2000-07-27 Eli Zaretskii <eliz@is.elta.co.il>
4824 * fixinc/fixincl.c [__MSDOS__]: Don't include "server.h".
4825 (initialize) [__MSDOS__]: Use tempnam.
4826 (initialize): Don't use SIGPIPE if it is not defined.
4828 * fixinc/fixfixes.c (main) [__MSDOS__]: freopen for stdout should
4831 2000-07-25 Bruce Korb <bkorb@gnu.org>
4833 * fixinc/fix*.[ch]: substantially reworked to make it possible
4834 to run this program without using fork(2) or pipe(2) (i.e. in
4837 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
4839 * cppdefault.h (WINT_TYPE): Define.
4840 * cppinit.c (builtin_array): Define __WINT_TYPE__.
4841 * tradcpp.c (initialize_builtins): Define __WINT_TYPE__.
4842 * tm.texi (NO_BUILTIN_WINT_TYPE, WINT_TYPE): Document.
4844 Fri Aug 4 06:53:46 2000 Clinton Popetz <cpopetz@cygnus.com>
4846 * (mips_legitimate_address_p): Don't allow register+offset
4847 if the offset is large and negative, and we are compiling
4848 for 64 bit registers.
4850 2000-08-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4852 * gencodes.c (main): Define CODE_FOR_nothing as the last possible
4853 insn_code_number + 1.
4855 2000-08-04 Kazu Hirata <kazu@hxi.com>
4857 * h8300.c (function_prologue): Rearrange code for conciseness.
4858 (function_epilogue): Likewise.
4859 * h8300.h (OK_FOR_U): Fix formatting.
4861 * cse.c: Fix a comment typo. Fix formatting.
4863 2000-08-03 Richard Henderson <rth@cygnus.com>
4865 * config/i386/i386.md (return_indirect_internal): New.
4866 * config/i386/i386.c (ix86_expand_epilogue): Use it.
4868 2000-08-03 Zack Weinberg <zack@wolery.cumb.org>
4870 * cpplex.c (parse_name): Might have to glue a CPP_OTHER token
4872 (lex_line): Glue @ onto the beginning of identifiers and
4873 string constants, in Objective-C mode.
4874 (output_token, spell_token): Handle CPP_OSTRING.
4875 (can_paste, maybe_paste_with_next): Handle pasting @ onto the
4876 beginning of a NAME or a STRING, in objc mode.
4878 * cpplib.c (get_define_node): Do not permit identifiers that
4879 begin with @ to be #defined.
4880 * cppmacro.c (CAN_PASTE_AFTER): Add CPP_OTHER.
4881 * cpplib.h (TTYPE_TABLE): Add CPP_OSTRING.
4883 * c-lang.c, objc/objc-act.c (build_objc_string): Delete.
4884 * c-tree.h (build_objc_string): Delete prototype.
4885 * objc/objc-tree.def: Delete OBJC_STRING_CST.
4886 * c-lex.c (yylex): Use build_string for all three kinds of strings.
4888 * c-parse.in, objc/objc-act.c: Update commentary.
4890 2000-08-03 Mark Mitchell <mark@codesourcery.com>
4892 * extend.texi: Fix typo in last change.
4894 * extend.texi: Add commentary on statement-expressions and their
4895 interactions with C++.
4897 2000-08-03 Nick Clifton <nickc@cygnus.com>
4899 * dwarf2.h (DW_LANG_Java): Change value to 0x000b.
4900 * dwarf.h (LANG_JAVA): Change value to 0x000b.
4902 2000-08-03 Anthony Green <green@cygnus.com>
4904 * dwarf2out.c (gen_compile_unit_die): Add java language support.
4905 (add_bound_info): Check for java language.
4906 (is_java): New function.
4907 * dwarfout.c (output_compile_unit_die): Ditto.
4908 * dwarf.h (dwarf_source_language): Add java source language type.
4909 * dwarf2.h (dwarf_source_language): Ditto.
4911 Thu Aug 3 20:32:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
4913 * reg-stack.c (subst_stack_regs_pat): Use replace_reg to swap
4916 * i386.c (ix86_expand_branch): Mode of comparison in
4917 IF_THEN_ELSE is VOIDmode.
4919 Thu Aug 3 10:05:53 2000 Akiko Matsushita <matusita@sra.co.jp>
4921 * gengenrtl.c, rtl.c: Avoid #elif.
4923 2000-08-03 Michael Poole <poole@troilus.org>
4925 * tm.texi (Register Classes): Clarify order of sub-initializers
4926 in REG_CLASS_CONTENTS.
4928 Thu Aug 3 15:53:03 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4930 From SAITOH Masanobu:
4931 * sh.h (ASM_OUTPUT_REG_PUSH): Fix syntax.
4933 2000-08-03 David Billinghurst <David.Billinghurst@riotinto.com.au>
4935 * config/i386/cygwin.h: Remove -remap from CPP_SPEC since this option
4936 is not supported by tradcpp and isn't actually needed for cygwin.
4938 2000-08-03 Kazu Hirata <kazu@hxi.com>
4940 * h8300.c: Fix a comment typo.
4941 * h8300.h (OK_FOR_U): Accept a 32-bit constant address on H8/S.
4943 * jump.c: Fix formatting.
4945 * toplev.c: Fix formatting.
4947 Thu Aug 3 01:05:32 2000 Jeffrey A Law (law@cygnus.com)
4949 * flow.c (find_auto_inc): Verify that we've got a REG before
4950 peeking at its regno. Fail, don't abort if we can't find
4951 the increment of the desired register.
4953 * pa.md (shadd height reduction patterns/splitters): Remove.
4955 2000-08-02 Jim Wilson <wilson@cygnus.com>
4957 * config/ia64/ia64-protos.h (flag_ssa): Declare.
4958 * config/ia64/ia64.md (movti_internal, movti_internal+1): New.
4960 2000-08-02 Mark Mitchell <mark@codesourcery.com>
4962 * dce.c: Remove all uses of assert.
4963 * dwarf2out.c: Likewise.
4964 * dwarfout.c: Likewise.
4967 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
4969 * gcc.h (lang_specific_driver): Constify second argument.
4970 * gcc.c (translate_options, process_command, main): Likewise.
4971 Constify variables to match. Cast second argument to
4974 * cppspec.c, gccspec.c: Adjust type of second argument to
4975 lang_specific_driver, and update code as necessary.
4977 2000-08-02 Jakub Jelinek <jakub@redhat.com>
4979 * loop.c (scan_loop): Ensure update_end label does not
4980 go away until reg_scan_update is run.
4982 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
4984 * c-common.h: Prototype min_precision and c_build_qualified_type here...
4985 * c-tree.h: ... not here.
4986 * errors.h: Prototype fancy_abort.
4988 * emit-rtl.c (gen_lowpart_common): Move variable 'c' into
4989 HOST_BITS_PER_WIDE_INT == 64 ifdef block.
4990 * regrename.c (regrename_optimize): Make control flow explicit.
4991 (replace_reg_in_block): Initialize reg_use to 0.
4993 * i386.c (legitimate_address_p): Rename error label to
4994 report_error to avoid namespace clash.
4996 2000-08-02 Kazu Hirata <kazu@hxi.com>
4998 * fold-const.c: Fix formatting.
5000 Wed Aug 2 16:26:15 MET DST 2000 Jan Hubicka <jh@suse.cz>
5002 * i386.c (legitimate_address_p): Accept other bases than
5003 pic_offset_table_rtx for GOTOFF constructs.
5005 Wed Aug 2 15:59:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
5007 * i386.md (shift to lea splitter): Use const_int_operand.
5009 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
5011 * cppexp.c, cppinit.c, cpplex.c, cpplib.c, cppmacro.c,
5012 cppspec.c: Do not use 'legal' or 'illegal' in error messages
5015 * cppmain.c (cb_define, cb_undef): Don't generate any output
5016 if not done_initializing.
5017 * cpplex.c (maybe_paste_with_next): When the token after a ##
5018 is an omitted rest argument, only delete the token before it
5019 if that token is a comma. Do not warn about bogus token
5020 pastes for , ## rest_arg.
5023 * cpp.1: Regenerate.
5025 2000-08-02 Fred Fish <fnf@be.com>
5027 * config/i386/beos-elf.h (STARTFILE_SPEC): Add i386-mcount.o
5028 when user gives -p option. Add init_term_dyn.o for BeOS 5.0
5031 * config/i386/beos-elf.h (INCLUDE_DEFAULTS): Add additional
5032 Be directories to search path.
5034 Remove support for __declspec(dllimport) and __declspec(dllexport).
5035 This is leftover cruft from the earlier BeOS gcc port when BeOS
5036 used Microsoft's PE object file format.
5037 * configure.in (i*86-*-beoself): Remove extra_objs=winnt.o.
5038 * config/i386/t-beos (winnt.o): Remove Makefile frag.
5039 * config/i386/beos-elf.h (TARGET_NOP_FUN_DLLIMPORT): Remove.
5040 (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
5041 (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
5042 (MERGE_MACHINE_DECL_ATTRIBUTES): Remove.
5043 (REDO_SECTION_INFO_P): Remove.
5044 (ASM_EXPORT_DECL): Remove.
5045 (ASM_DECLARE_FUNCTION_NAME): Remove.
5046 (ASM_DECLARE_OBJECT_NAME): Remove.
5047 (ASM_OUTPUT_ALIGNED_COMMON): Remove.
5048 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Remove.
5049 (ASM_OUTPUT_ALIGNED_LOCAL): Remove.
5050 (STRIP_NAME_ENCODING): Remove.
5052 Remove support for obsolete version of BeOS that is no longer
5054 * configure.in (i*86-*-beospe*): Remove.
5055 * config/i386/beos-pe.h: Remove.
5057 2000-08-01 Jeffrey Oldham <oldham@codesourcery.com>
5058 Mark Mitchell <mark@codesourcery.com>
5060 * Makefile.in (OBJS): Added dce.o.
5061 (ssa.o): Updated target to include ssa.h.
5063 (toplev.o): Likewise.
5064 (dce.o): Created target.
5065 * basic-block.h: Added comments.
5066 (INVALID_BLOCK): Added definition.
5067 (connect_infinite_loops_to_exit): Added declaration.
5068 Moved SSA declarations to ssa.h.
5069 * flow.c: Added inclusion of ssa.h.
5070 (struct depth_first_search_dsS, depth_first_search_ds):
5072 (compute_immediate_postdominators): Added definition.
5073 (connect_infinite_loops_to_exit): Likewise.
5074 (flow_dfs_compute_reverse_init): Likewise.
5075 (flow_dfs_compute_reverse_add_bb): Likewise.
5076 (flow_dfs_compute_reverse_execute): Likewise.
5077 (flow_dfs_compute_reverse_finish): Likewise.
5078 * rtl.h (rtx/in_struct): Added use to determine insn necessity.
5079 (LABEL_P): Added definition.
5082 (BARRIER_P): Likewise.
5083 (JUMP_TABLE_DATA_P): Likewise.
5084 (INSN_DEAD_CODE_P): Likewise.
5085 * ssa.c: Replaced inclusions with ssa.h inclusion.
5086 (CONVERT_HARD_REGISTER_TO_SSA_P): Moved to ssa.h.
5087 (rename_registers): Removed unnecessary variables.
5088 * ssa.h: Created by moving declarations from ssa.c and
5090 * timevar.def: Defined TV_DEAD_CODE_ELIM.
5091 * toplev.c: Added ssa.h inclusion.
5092 (dump_file_index): Added DFI_dce.
5093 (dump_file): Added "dce" entry.
5095 (f_options): Added dce entry.
5096 * invoke.texi: Document -fdce. Emphasize experimental status of
5100 2000-08-01 Zack Weinberg <zack@wolery.cumb.org>
5102 * cpperror.c (v_message): Split into _cpp_begin_message and
5103 v_message macro. All callers updated.
5104 (_cpp_begin_message): Do inhibit_errors/inhibit_warnings
5107 * cppfiles.c (cpp_syshdr_flags): New function.
5108 (read_include_file): Don't call cpp_output_tokens. Call
5110 * cppinit.c (dump_macros_helper): Moved to cppmain.c.
5111 (cpp_reader_init): Don't initialize token_buffer. Call
5112 _cpp_init_internal_pragmas.
5113 (cpp_cleanup): Don't clear token_buffer.
5114 (cpp_start_read): Don't worry about output from -D processing.
5115 Don't call cpp_output_tokens.
5116 (cpp_finish): Don't dump macros here. Don't call
5118 * cppmacro.c (_cpp_dump_definition): Rename
5119 cpp_dump_definition. Write directly to a FILE *.
5120 (dump_funlike_macro): Delete.
5121 (dump_macro_args): New.
5123 * cpplex.c (TOKEN_LEN): Convert to inline function.
5124 (_cpp_grow_token_buffer, safe_fwrite, cpp_output_tokens,
5125 cpp_scan_line, _cpp_dump_list): Delete.
5126 (cpp_printf, cpp_output_list): New.
5127 (output_line_command): Don't worry about entering or leaving files.
5128 (cpp_scan_buffer): Just output each token as we hit it.
5129 (process_directive): Don't call cpp_output_tokens.
5130 (_cpp_glue_header_name): Don't use token_buffer.
5131 (output_token, dump_param_spelling): Write directly to a FILE *.
5133 * cpplib.c (pass_thru_directive, dump_macro_name,
5134 pragma_dispatch, do_pragma_gcc): Delete.
5135 (do_define, do_undef, parse_include, do_line, do_ident, do_pragma,
5136 do_pragma_poison, cpp_pop_buffer): Call the appropriate hook
5138 (do_error, do_warning, pragma_dependency): Call
5139 _cpp_begin_message, then cpp_output_list.
5140 (cpp_register_pragma, cpp_register_pragma_space,
5141 _cpp_init_internal_pragmas): New.
5142 (do_pragma): Walk the pragmas table here.
5143 (do_pragma_once, do_pragma_poison, do_pragma_system_header,
5144 do_pragma_dependency): Return void.
5145 (do_pragma_implementation): Moved to cppmain.c.
5147 * cpplib.h: Update prototypes.
5148 (struct cpp_reader): Remove printer, token_buffer,
5149 token_buffer_size, and limit. Add struct cb, and pragmas.
5150 (struct cpp_printer): Remove last_id and written.
5151 (CPP_WRITTEN, CPP_PWRITTEN, CPP_SET_WRITTEN,
5152 CPP_ADJUST_WRITTEN): Delete.
5153 * cpphash.h: Update prototypes.
5154 (ufputs): New wrapper.
5156 * cppmain.c (cb_define, cb_undef, cb_include, cb_ident,
5157 cb_enter_file, cb_leave_file, cb_def_pragma): New functions.
5158 (main): Set up callbacks. Register #pragma implementation.
5159 Dump macros from here.
5161 2000-08-01 Geoff Keating <geoffk@cygnus.com>
5163 * rtl.h (enum reg_note): Add REG_MAYBE_DEAD.
5164 * rtl.c (reg_note_name): Add REG_MAYBE_DEAD.
5165 * flow.c (propagate_one_insn): Allow deletion of prologue/epilogue
5166 insns if they have a REG_MAYBE_DEAD note attached.
5167 * config/rs6000/rs6000.c (rs6000_maybe_dead): New function.
5168 (rs6000_emit_load_toc_table): TOC loads may go dead.
5170 2000-08-01 Jim Wilson <wilson@cygnus.com>
5172 * config/ia64/ia64.c (ia64_function_arg): Fix last change. Verify
5173 type exists before using it. Use number of words as alignment
5175 (ia64_function_arg_partial_nregs, ia64_function_arg_advance,
5176 ia64_va_arg): Propagate ia64_function_args changes here.
5178 2000-08-01 Richard Henderson <rth@cygnus.com>
5180 * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Care for null DECL.
5181 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
5183 2000-08-01 Bernd Schmidt <bernds@cygnus.co.uk>
5185 From Joern Rennecke:
5186 * sh.h (CPP_SPEC, TARGET_SWITCHES): Add m4-nofpu.
5187 * sh.md (udivsi3, divsi3): Don't use libcalls that use the FPU
5188 unless TARGET_SH3E is set.
5189 * t-sh (MULTILIB_MATCHES): Add m2=m4-nofpu.
5191 * sh.md (ashlsi3_d, ashlsi3_k): Remove, replace with
5192 (ashlsi3_std): New pattern.
5193 (ashlsi3 expander): Use it for TARGET_SH3.
5194 * sh.c (gen_ashift): Use it instead of ashlsi3_k.
5196 Tue Aug 1 12:34:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
5198 * loop.c (canonicalize_condition): Use destination, not source to
5199 determine SET's mode.
5201 2000-07-31 Mark Mitchell <mark@codesourcery.com>
5203 * flow.c (clear_log_links): Fix typo.
5205 Mon Jul 31 22:19:24 2000 Jeffrey A Law (law@cygnus.com)
5207 * loop.c (check_dbra_loop): Make change from July 17, 2000 work
5208 on targets which need more than one insn for a compare/cbranch
5211 2000-07-31 Jim Wilson <wilson@cygnus.com>
5213 * config/ia64/ia64.c (ia64_function_arg): Use alignment not size
5214 when computing offset.
5216 Mon Jul 31 20:35:50 2000 Denis Chertykov <denisc@overta.ru>
5218 * genpeep.c (main): Handle DEFINE_PEEPHOLE2.
5220 2000-07-31 Geoff Keating <geoffk@cygnus.com>
5222 * flow.c (clear_log_links): Nuke global_live_at_start and
5223 global_live_at_end data, since if the log_links stuff is invalid
5224 so is global_live_at_*.
5226 2000-07-31 Richard Henderson <rth@cygnus.com>
5228 * tm.texi (Addressing Modes): Clarify PRE/POST_MODIFY descriptions.
5230 2000-07-31 Jakub Jelinek <jakub@redhat.com>
5232 * cpplex.c (_cpp_get_line): If index is 0, return line 0 col 0.
5233 (_cpp_get_token): Don't macro expand a just pasted token if it
5234 was pasted at no_expand_level.
5236 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
5238 * cppmacro.c (find_param, count_params, save_expansion):
5239 Permit 'defined' as a macro parameter name.
5241 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
5243 * Makefile.in: Rename cpp to cpp0, tradcpp to tradcpp0, and
5244 xcpp to cpp throughout.
5245 (native): Remove unnecessary dependency on cpp.
5247 * gcc.c (trad_capable_cpp, C specs): Rename cpp to cpp,
5248 tradcpp to tradcpp0.
5249 (.i spec): Add missing output-file spec to cc1 command line.
5250 * objc/lang-specs.h: Rename cpp to cpp0 and/or tradcpp to tradcpp0.
5252 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
5254 * c-decl.c (mesg_implicit_function_declaration): Init to -1.
5255 (implicit_decl_warning): New function.
5256 (implicitly_declare): Use it.
5257 * c-typeck.c (build_external_ref): Use implicit_decl_warning
5258 to complain about implicit decls of builtins.
5260 * c-lang.c (lang_init): Set mesg_implicit_function_declaration
5261 based on pedantic && flag_isoc99, if not already set.
5262 * c-tree.h: Declare mesg_implicit_function_declaration.
5263 Prototype implicit_decl_warning.
5265 2000-07-30 Jeffrey D. Oldham <oldham@codesourcery.com>
5267 * Makefile.in (ssa.o): Updated header files in dependences.
5268 * basic-block.h: Added compute_immediate_postdominators declaration.
5269 * config/i386/i386.h (CONVERT_HARD_REGISTER_TO_SSA_P): Added
5271 * flow.c (compute_immediate_dominators): Updated comment.
5272 (compute_immediate_postdominators): Added definition.
5273 * rtl.h (HARD_REGISTER_P): Added definition.
5274 * ssa.c: Include additional header files.
5275 (assert): Added definition.
5276 (ssa_rename_to_lookup): Added to reimplement ssa_rename_to to
5277 include select hard registers.
5278 (ssa_rename_to_insert): Likewise.
5279 (ssa_rename_from_initialize): Likewise.
5280 (ssa_rename_from_lookup): Likewise.
5281 (original_register): Likewise.
5282 (ssa_rename_from_insert): Added to reimplement ssa_rename_from to
5283 include select hard reigsters.
5284 (ssa_rename_from_traverse): Likewise.
5285 (ssa_rename_from_free): Likewise.
5286 (ssa_rename_from_print): Likewise.
5287 (ssa_rename_from_print_1): Likewise.
5288 (ssa_rename_from_hash_function): Likewise.
5289 (ssa_rename_from_equal): Likewise.
5290 (ssa_rename_from_delete): Likewise.
5291 (simplify_to_immediate_dominators): Removed in favor of
5292 flow.c:compute_immediate_dominators.
5293 (find_evaluations_1): Modified to work with hard registers.
5294 (insert_phi_node): Likewise.
5295 (insert_phi_nodes): Likewise.
5296 (struct rename_set_data): Updated prev_reg comment.
5297 (create_delayed_rename): Modified to work with hard registers.
5298 (RENAME_NO_RTX): Updated comment.
5299 (apply_delayed_renames): Modified to work with hard registers.
5300 (rename_insn_1): Likewise and added handling of CLOBBER rtls.
5301 (rename_block): Updated to use revised ssa_rename_to interface.
5302 (rename_registers): Updated to use revised ssa_rename_to and
5303 ssa_rename_from interface.
5304 (convert_to_ssa): Revised to use compute_immediate_dominators and
5305 deal with hard registers.
5306 (make_regs_equivalent_over_bad_edges): Modified to work with hard
5307 registers. Added check for illegal unification of hard register.
5308 (make_equivalent_phi_alternatives_equivalent): Modified to work
5309 with hard registers.
5310 (compute_conservative_reg_partition): Likewise.
5311 (coalesce_if_unconflicting): Modified to work with hard registers
5312 and check for conflicting hard registers.
5313 (mark_phi_and_copy_regs): Revised loop to work only on pseudo
5315 (rename_equivalent_regs_in_insn): Modified to work with hard
5317 (record_canonical_element_1): Added definition.
5318 (check_hard_regs_in_partition): Added definition.
5319 (convert_from_ssa): Added data structure deallocation and check
5320 for illegal hard register unification.
5321 (conflict_hard_regs_p): Added definition.
5322 * toplev.c (rest_of_compilation): Added comment.
5324 2000-07-31 Anthony Green <green@redhat.com>
5326 * config/ia64/crtbegin.asm (__EH_FRAME_BEGIN__): Align correctly.
5328 2000-07-31 Jason McMullan <jmcmullan@linuxcare.com>
5330 * builtins.c (expand_builtin_apply): Don't defer pop during
5333 2000-07-31 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5335 * calls.c (combine_pending_stack_adjustment_and_call): Only use
5336 preferred_unit_stack_boundary when it is > 1.
5338 2000-07-31 Joseph S. Myers <jsm28@cam.ac.uk>
5340 * c-common.c (init_function_format_info): Add C99 format functions
5343 * c-decl.c (get_parm_info): Don't treat 'const void', 'volatile
5344 void' or 'register void' as being the special case of 'void' alone
5345 in a parameter list.
5347 * c-typeck.c (build_c_cast): Change -Wcast-qual pedwarn for
5348 discarding qualifiers into a plain warning.
5350 2000-07-31 Kazu Hirata <kazu@hxi.com>
5352 * combine.c: Fix formatting.
5354 * h8300.md: Fix formatting.
5356 * local-alloc.c: Fix formatting.
5358 * h8300.c (get_shift_alg): Remove the variable alg.
5359 (emit_a_shift): Rearrange code to improve readability.
5361 * h8300.md (movsi_h8300hs): Rearrange code to improve readability.
5363 * h8300.h (MODES_TIEABLE_P): Accept a combination of QImode and
5364 HImode on all architectures and a combination of HImode and SImode
5365 on H8/300H and H8/S.
5367 * h8300.c (split_adds_subs): Rearrange code for conciseness.
5369 Mon Jul 31 12:27:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
5371 * i386.md (addsi to lea splitter, ashlqi3_1_lea): Fix bugs
5374 Mon Jul 31 10:41:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
5376 * recog.c (extract_insn): Set operand_mode according to
5377 operand if match_operand is VOIDmode.
5379 Mon Jul 31 10:36:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
5381 * recog.c (validate_replace_rtx_1): Do not abort for (nil) expression.
5383 2000-07-31 Geoff Keating <geoffk@cygnus.com>
5385 * c-parse.in (extdefs): Call ggc_collect between external
5388 2000-07-30 Michael Hayes <mhayes@cygnus.com>
5389 Richard Henderson <rth@cygnus.com>
5391 * Makefile.in (OBJS): Add doloop.o.
5392 * doloop.c: New file.
5394 * final.c (insn_current_reference_address): Return 0 before final.
5395 * flags.h (flag_branch_on_count_reg): Fix typos in commentary.
5396 * jump.c (any_uncondjump_p): Likewise.
5397 * loop.c (indirect_jump_in_function): Make static.
5398 (strength_reduce): Call doloop_optimize.
5399 (insert_bct, instrument_loop_bct): Remove.
5400 * loop.h (doloop_optimize): Prototype.
5401 * recog.c (split_all_insns): Split all INSN_P.
5402 * toplev.c (flag_branch_on_count_reg): Default on.
5404 * config/c4x/c4x.c (c4x_optimization_options): Don't set
5405 flag_branch_on_count_reg.
5406 * config/i386/i386.c (override_options): Likewise.
5407 * config/rs6000/rs6000.c (optimization_options): Likewise.
5409 * config/i386/i386.md (decrement_and_branch_on_count): Remove.
5411 (dbra_ge): Remove, as well as all it's splitters.
5413 * config/rs6000/rs6000.md (decrement_and_branch_on_count): Remove.
5416 * config/ia64/ia64-protos.h (ar_lc_reg_operand): Declare.
5417 (ia64_register_move_cost): Declare.
5418 * config/ia64/ia64.c (ar_lc_reg_operand): New.
5419 (struct ia64_frame_info): Add ar_size.
5420 (ia64_compute_frame_size): Set it.
5421 (save_restore_insns): Save and restore ar.lc.
5422 (ia64_register_move_cost): New, moved from header file. Handle
5423 application registers.
5424 (REG_AR_PFS, REG_AR_EC): Remove. Replace with AR_*_REGNUM numbers.
5425 (emit_insn_group_barriers): Special case doloop_end_internal.
5426 (ia64_epilogue_uses): Mark ar.lc live at end.
5427 * config/ia64/ia64.h (AR_CCV_REGNUM, AR_LC_REGNUM): New registers.
5428 (AR_EC_REGNUM, AR_PFS_REGNUM): New registers.
5429 (FIRST_PSEUDO_REGISTER): Make room.
5430 (AR_M_REGNO_P, AR_I_REGNO_P, AR_REGNO_P): New.
5431 (FIXED_REGISTERS, CALL_USED_REGISTERS): Update.
5432 (REG_ALLOC_ORDER): Update.
5433 (HARD_REGNO_MODE_OK): Update.
5434 (REGISTER_NAMES): Update.
5435 (enum reg_class): Add AR_M_REGS and AR_I_REGS.
5436 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
5437 (REGNO_REG_CLASS): Update.
5438 (LEGITIMATE_ADDRESS_DISP): Displacement range is 9 bits, not 10.
5439 (REGISTER_MOVE_COST): Move out of line.
5440 (PREDICATE_CODES): Update.
5441 * config/ia64/ia64.md (movdi patterns): Handle ar register classes.
5442 (addsi3_plus1_alt, adddi3_plus1_alt): New.
5443 (shladd_elim splitter): Allow constants in the predicate.
5444 (doloop_end, doloop_end_internal): New.
5446 2000-07-30 Richard Henderson <rth@cygnus.com>
5448 * genattrtab.c (struct insn_def): Add lineno member.
5449 (struct insn_ent): Likewise.
5450 (struct attr_desc): Likewise.
5451 (struct delay_desc): Likewise.
5452 (struct function_unit_op): Likewise.
5453 (struct function_unit): Likewise.
5454 (check_attr_value): Use message_with_line.
5455 (check_defs): Likewise.
5456 (expand_units): Likewise.
5457 (check_attr_test): Take a lineno argument.
5458 (gen_attr): Likewise.
5459 (gen_insn): Likewise.
5460 (gen_delay): Likewise.
5461 (gen_unit): Likewise.
5462 (main): Give it to them.
5463 (convert_set_attr_alternative): Take an insn_def argument
5464 instead of num_alt and insn_index.
5465 (convert_set_attr): Likewise.
5466 (write_test_expr): Protect INSN_ADDRESSES load
5467 with INSN_ADDRESSES_SET_P.
5469 2000-07-30 Richard Henderson <rth@cygnus.com>
5471 * flow.c (init_propagate_block_info): Use pc_set.
5473 Sun Jul 30 20:58:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
5475 * i386.md (*lea_general_[123]) New insns and splits.
5476 (addsi3 to lea splitter): Handle other modes too.
5477 (shlsi3 to lea splitter): Likewise.
5478 (addhi_1_lea, shlhi_1_lea): New patterns.
5479 (addhi_1, shlhi_1): Conditionize by PARTIAL_REG_STALL.
5481 Sun Jul 30 20:51:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
5483 * recog.c (general_operand, nonimmediate_operand): Accept
5484 any mode for VOIDmode CONSTANT_P operands.
5486 Sun Jul 30 20:42:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
5488 * gcse.c (try_replace_reg): Use validate_replace_rtx_subexp
5489 instead of replace_rtx.
5490 * recog.c (validate_replace_rtx_subexp): New function.
5491 * recog.h (validate_replace_rtx_subexp): Declare.
5493 Sun Jul 30 20:38:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
5495 * combine.c (simplify_set, make_extraction, make_compound_operation
5496 make_field_assignment): Use full mask instead of GET_MODE_MASK (mode)
5497 as force_to_mode argument.
5499 Sun Jul 30 20:30:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
5501 * combine.c (if_then_else_cond): Be sure that mode fits in
5504 Sun Jul 30 20:27:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
5506 * combine.c (record_promoted_value): Allow bitsize of mode
5507 to be equivalent to HOST_BITS_PER_WISE_INT.
5509 Sun Jul 30 20:25:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
5511 * function.c (assign_stack_local_1, assign_stack_temp_for_type):
5512 Do not call gen_mode_alignment when mode is BLKmode.
5514 Sun Jul 30 20:21:54 MET DST 2000 Jan Hubicka <jh@suse.cz>
5516 * loop.c (express_from_1): Fix call of simplify_gen_binary.
5518 Sun Jul 30 20:08:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
5520 * simplify-rtx.c (simplify_relational_operation): Verify that mode ==
5521 VOIDmode implies both operands to be VOIDmode.
5522 (simplify_ternary_operation): Compute properly the mode of comparison.
5523 * combine.c (combine_simplify_rtx): Likewise.
5525 2000-07-25 Michael Hayes <mph@paradise.net.nz>
5527 * basic-block.h (struct loops): New field rc_order.
5528 * flow.c (flow_loops_cfg_dump): Dump rc_order if computed.
5529 (flow_loops_free): Free rc_order.
5530 (flow_depth_first_order_compute): New parameter rc_order.
5531 (flow_loops_find): Allocate rc_order and swap usage with
5534 2000-07-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5535 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5537 * config/c4x/c4x.md (set_ldp_prologue): Add for RTL prologue/epilogue.
5538 (push_st, push_dp, pop_st, pop_dp, popqi_unspec): Likewise.
5539 (nodb_call, return_from_epilogue): Likewise.
5540 (return_from_interrupt_epilogue, prologue, epilogue): Likewise.
5541 * config/c4x/c4x.c (c4x_expand_prologue, c4x_expand_eplilogue): Add.
5542 * config/c4x/c4x-protos.h (c4x_interrupt_function_p): Add.
5543 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
5544 (c4x_valid_type_attribute_p): Likewise.
5545 * config/c4x/c4x.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Delete.
5546 (FUNCTION_BLOCK_PROFILER_EXIT): Convert to emit RTL.
5548 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5550 * config/c4x/c4x.c (c4x_emit_move_sequence): Use loadqi_big_constant
5551 and loadhi_big_constant if applicable.
5552 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant): Tweak
5553 and add new splitter.s
5555 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5557 * config/c4x/c4x.c (c4x_rptb_insert): Make more robust.
5559 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5561 * config/c4x/c4x.h (ASM_FORMAT_PRIVATE_NAME): Output $ in label.
5563 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5565 * config/c4x/c4x.h (IS_XXX_REGNO): Rewrite to avoid unsigned warnings.
5567 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5569 * config/c4x/libgcc.S (divqf3): Improve accuracy.
5571 2000-07-27 Mark Mitchell <mark@codesourcery.com>
5573 Put phi nodes after NOTE_INSN_BASIC_BLOCK.
5574 * rtl.h (NOTE_INSN_BASIC_BLOCK_P): New macro.
5575 * bb-reorder.c (get_next_bb_note): Use NOTE_INSN_BASIC_BLOCK_P.
5576 (get_prev_bb_note): Likewise.
5577 (remove_scope_notes): Likewise.
5578 * flow.c (commit_one_edge_insertion): Likewise.
5579 (merge_blocks_nomove): Likewise.
5580 (verify_flow_info): Likewise.
5581 * gcse.c (insert_insn_end_bb): Likewise.
5582 * reg-stack.c (emit_swap_insn): Likewise.
5583 * ssa.c (first_insn_after_basic_block_note): New function.
5584 (insert_phi_node): Use it.
5585 (rename_block): Likewise.
5586 (eliminate_phi): Likewise.
5587 (make_regs_equivalent_over_bad_edges): Likewise.
5588 (make_equivalent_phi_alternatives_equivalent): Likewise.
5589 (for_each_successor_phi): Likewise.
5590 (convert_from_ssa): Modify phi-node deletion algorithm.
5592 2000-07-29 Andreas Jaeger <aj@suse.de>
5594 * configure.in (mips*-*-linux*): Use mips*el to check for little
5595 endian MIPS, add tmake_file.
5597 * config/mips/linux.h (TARGET_VERSION): Use GNU/Linux.
5598 (SUBTARGET_CPP_SPEC): Default MIPS_ISA is 1.
5599 Patches by Maciej W. Rozycki <macro@ds2.pg.gda.pl>.
5601 2000-07-28 Richard Henderson <rth@cygnus.com>
5603 * config/ia64/ia64.c (ia64_print_operand): Fix typos.
5604 Sign extend mode size before negating.
5606 2000-07-28 Richard Henderson <rth@cygnus.com>
5608 * emit-rtl.c (gen_lowpart_common): Add missing 'c' variable.
5610 2000-07-28 Bernd Schmidt <bernds@cygnus.co.uk>
5612 * cse.c (canon_hash): Handle PRE_MODIFY/POST_MODIFY.
5613 (cse_insn): Likewise.
5614 (addr_affects_sp_p): Likewise.
5615 * expr.c (move_by_pieces): Likewise.
5616 (clear_by_pieces): Likewise.
5617 * gcse.c (oprs_unchanged_p): Likewise.
5618 * haifa-sched.c (sched_analyze_2): Likewise.
5619 * recog.c (offsettable_address_p): Likewise.
5620 * regclass.c (record_address_regs): Likewise.
5621 * reload.c (find_reusable_reload): Likewise.
5622 (push_reload): Likewise.
5623 (operands_match_p): Likewise.
5624 (decompose): Likewise.
5625 (find_reloads_address_1): Likewise.
5626 (find_inc_amount): Likewise.
5627 * reload1.c (elimination_effects): Likewise.
5628 * resource.c (mark_set_resources): Likewise.
5629 * flow.c (attempt_auto_inc): New function; mostly broken out
5631 (find_auto_inc): Split into two functions and enhanced to
5632 generate POST_MODIFY.
5633 * rtl.def (PRE_MODIFY, POST_MODIFY): Adjust comment.
5634 * rtl.h (count_all_occurrences): Declare.
5635 (HAVE_{PRE,POST}_MODIFY_{DISP,REG}): Provide default of 0 if not
5637 * rtlanal.c (count_all_occurrences): New function.
5638 * tm.texi (HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_DISP,
5639 HAVE_POST_MODIFY_REG, HAVE_PRE_MODIFY_REG): Document.
5641 * config/ia64/ia64-protos.h (destination_operand): Declare.
5642 * config/ia64/ia64.c (destination_operand): New function.
5643 (ia64_print_operand): Handle POST_MODIFY.
5644 (rtx_needs_barrier): Likewise.
5645 * config/ia64/ia64.h (HAVE_POST_MODIFY_DISP): Define to 1.
5646 (HAVE_POST_MODIFY_REG): Define to 1.
5647 (MAX_REGS_PER_ADDRESS): Change to 2.
5648 (GO_IF_LEGITIMATE_ADDRESS): Accept POST_MODIFY too.
5649 (LEGITIMATE_ADDRESS_REG): New helper macro.
5650 (LEGITIMATE_ADDRESS_DISP): Likewise.
5651 (PREDICATE_CODES): Add entry for destination_operand.
5652 * config/ia64/ia64.md (all mov patterns): Use destination_operand
5653 predicate for operand 0.
5655 2000-07-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5657 * dwarf2out.c: Indent #error directive.
5659 * gbl-ctors.h: Fix typo in comment.
5660 (__do_global_ctors): Prototype.
5662 * gcse.c (record_one_set, pre_delete): Remove unused variables.
5664 * rs6000.c (rs6000_maybe_dead): Delete unused prototype.
5665 (print_operand): Initialize variable `t'.
5667 2000-07-27 Aldy Hernandez <aldyh@redhat.com>
5669 * config/arm/arm.md ("call_value"): removed constraints.
5670 Constraints are ignored in expanders.
5671 (*call_value_reg): split =rf into various constraints.
5672 (*call_value_mem): same
5673 (*call_value_symbol): same
5674 (*sibcall_value_insn): same
5676 2000-07-28 Philipp Thomas <pthomas@suse.de>
5678 * install.texi (--enable-nls): Change the description of the NLS
5679 related configure options to match the current state.
5680 (--with-included-gettext): Likewise.
5681 (--enable-maintainer-mode): New description added.
5682 * extend.texi (-fstrict-prototype): Add missing '.'.
5684 2000-07-27 Jim Wilson <wilson@cygnus.com>
5686 * dwarf2out.c (gen_decl_die): Don't call gen_abstract_function if
5687 DECL_INITIAL (decl) == NULL_TREE.
5689 2000-07-27 Alexandre Oliva <aoliva@redhat.com>
5691 * Makefile.in (INSN_ATTR_H): New macro. Replace all dependencies
5692 on insn-attr.h with it.
5693 * genattr.c: Generate `#include "insn-addr.h"' if HAVE_ATTR_length.
5694 * insn-addr.h: New header.
5695 (insn_addresses_): Renamed from insn_addresses.
5696 (INSN_ADDRESSES_DEFN, INSN_ADDRESSES, INSN_ADDRESSES_ALLOC,
5697 INSN_ADDRESSES_FREE, INSN_ADDRESSES_SET_P, INSN_ADDRESSES_SIZE,
5698 INSN_ADDRESSES_NEW): New macros.
5699 * genattrtab.c (write_test_expr): Use new macros.
5700 * final.c (insn_addresses, init_insn_lengths): Likewise.
5701 (align_fuzz, shorten_branches): Likewise.
5702 (final): Likewise. Do not reject new insns if their addresses
5703 have been added to INSN_ADDRESSES.
5704 * config/arm/arm.c, config/avr/avr.c: Use new macros.
5705 * config/h8300/h8300.c, config/i370/i370.c: Likewise.
5706 * config/m88k/m88k.c, config/pa/pa.c, config/pa/pa.md: Likewise.
5707 * config/sparc/sparc.c, config/sparc/sparc.md: Likewise.
5708 * config/sh/sh.c: Likewise.
5709 (output_branchy_insn): Use INSN_ADDRESSES_NEW.
5711 * Makefile.in (bootstrap): Move -BstageN/ back to the beginning.
5713 2000-07-27 Andrew Cagney <cagney@b1.cygnus.com>
5715 * gcc.c (struct prefix_list): Add member priority.
5716 (enum path_prefix_priority): Declare.
5717 (add_prefix): Replace ``first'' with ``priority''. Append new
5718 entry but keep list in priority order.
5719 (process_command): Update. Pass PREFIX_PRIORITY_B_OPT or
5720 PREFIX_PRIORITY_LAST to add_prefix.
5721 (process_command): Move include kludge - foo/stageN - to before
5724 2000-07-27 Jason Merrill <jason@redhat.com>
5726 * dwarf2out.c (gen_typedef_die): Abort if we get identical
5727 TREE_TYPE and DECL_ORIGINAL_TYPE on a typedef.
5729 2000-07-27 RodneyBrown <RodneyBrown@pmsc.com>
5731 * expr.h (get_alias_set, lang_get_alias_set): Delete prototypes.
5732 * tree.h (get_alias_set, lang_get_alias_set): Prototype.
5734 2000-07-27 Joseph S. Myers <jsm28@cam.ac.uk>
5736 * c-decl.c (finish_function): Don't treat 'main' specially unless
5737 flag_hosted. In C99 mode, return 0 from 'main' unless
5738 DEFAULT_MAIN_RETURN is otherwise defined.
5740 * c-decl.c (store_parm_decls): In C99 mode, pedwarn for function
5741 parameters defaulting to int in an old-style function definition.
5743 2000-07-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5745 * c-parse.in (string): For -Wtraditional, warn about string
5746 concatenation only once per line.
5748 Thu Jul 27 09:25:17 2000 Akiko Matsushita <matusita@sra.co.jp>
5750 * pa/x-pa-hpux: Add -D_HIUX_SOURCE to FIXPROTO_DEFINES
5751 for HI-UX/WE2 systems.
5753 2000-07-24 Bruce Korb <bkorb@gnu.org>
5755 * fixincl/fixfixes.c(emit_gnu_type): rewrote to *rely* on GCC
5756 defining the __xxx_TYPE__ macros.
5757 * fixincl/fixincl.tpl(gnu_type_map): now obsolete
5758 * fixincl/fixlib.h: don't need to include "tm.h" anymore
5759 * fixincl/inclhack.def(type_map): now obsolete
5761 Thu Jul 27 11:54:17 2000 Andrew Cagney <cagney@b1.cygnus.com>
5763 * cpp.texi: Append a trailing full-stop to xrefs where needed.
5765 2000-07-26 Dave Pitts <dpitts@cozx.com>
5767 * i370.c: Remove LONGEXTERNAL ifdef from alias_number. Added hash
5769 (mvs_hash_alias): New function.
5770 (mvs_add_alias): Change argument spacing.
5771 (mvs_need_alias): Change aliasing criteria. Added documentation.
5772 (mvs_get_alias): Change to use hashed name. The hashed name prevents
5773 CSECT name collisions.
5774 (mvs_check_alias): Likewise.
5775 (handle_pragma): Change documentation.
5776 * i370.md (mulsi3, divsi3, udivsi3, modsi3, umodsi3): Changed gen_rtx
5777 mode from SImode to DImode.
5778 (iorhi3): Changed LTORG size for insn.
5780 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
5782 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
5783 mem if the address is a mode_dependent_address_p.
5785 2000-07-26 Kazu Hirata <kazu@hxi.com>
5787 * h8300.c (print_operand): Print ":8" when the 'R' operand is
5788 suitable for 8-bit absolute.
5789 * h8300.h (EIGHTBIT_CONSTANT_ADDRESS_P): New.
5790 (OK_FOR_U): Add a case for the 8-bit constant address on the
5793 Wed Jul 26 19:26:21 2000 Hans-Peter Nilsson <hp@axis.com>
5795 * varasm.c (assemble_variable) [! defined(ASM_OUTPUT_ALIGNED_COMMON)
5796 && ! defined (ASM_OUTPUT_ALIGNED_BSS]): Also test
5797 ! defined(ASM_OUTPUT_ALIGNED_DECL_COMMON) before complaining about
5798 lack of implemented alignment.
5800 2000-07-26 Geoffrey Keating <geoffk@cygnus.com>
5802 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETIC]: Handle
5803 cross-compiling between 64-bit and 32-bit machines.
5805 2000-07-27 Richard Henderson <rth@cygnus.com>
5807 * config/ia64/ia64.md (movqicc_astep, movqi_internal_astep): New.
5808 (movhicc_astep, movhi_internal_astep): New.
5809 (movsicc_astep, movsi_internal_astep): New.
5810 (movdicc_astep, movdi_internal_astep): New.
5811 (movsfcc_astep, movsf_internal_astep): New.
5812 (movdfcc_astep, movdf_internal_astep): New.
5813 (movxfcc_astep, movxf_internal_astep): New.
5814 (cmovdi_internal_astep, cmovsi_internal_astep): New.
5815 Unify the cmov[ds]i splitters.
5817 2000-07-27 Rodney Brown <RodneyBrown@pmsc.com>
5819 * real.c (asctoeg): Rename `error' label to unexpected_char_error
5821 2000-07-26 Nick Clifton <nickc@cygnus.com>
5823 * config/arm/vxarm.h (CPP_PREDEFINES): Remove definition of
5824 __arm__. Allow it to be defined by CPP_ISA_SPEC in arm.h
5826 * dwarf2out.c (dwarf2out_frame_debug_expr): Accept SEQUENCE as
5827 well as PARALLEL blocks in FRAME_RELATED_EXPR notes.
5829 2000-07-26 Alexandre Oliva <aoliva@redhat.com>
5831 * c-decl.c (finish_enum): Convert enumerations that fit in an
5833 (build_enumerator): In pedantic mode, cast to `int' those that
5836 2000-07-25 Rodney Brown <RodneyBrown@pmsc.com>
5838 * config/alpha/osf.h (SIZE_TYPE, PTRDIFF_TYPE): New.
5840 Tue Jul 25 23:08:33 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5842 * sh.md (cmpgtdi_t): Must be split.
5843 (cmpgtdi_t+1): New splitter.
5845 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
5847 * cpplib.c (_cpp_check_directive): Issue -Wtraditional
5848 warnings for indented directives even if we are skipping.
5850 2000-07-25 Nathan Sidwell <nathan@codesourcery.com>
5852 * invoke.texi (strict-prototypes): Remove.
5853 * extend.texi (Deprecated Features): Add strict-prototypes.
5854 (Backwards Compatibility): New node.
5856 2000-07-25 Jakub Jelinek <jakub@redhat.com>
5858 * config/i386/i386.md (andsi_1+1): Allow HImode.
5859 (andsi_1+2): Require q_regs_operand.
5861 2000-07-25 Jakub Jelinek <jakub@redhat.com>
5863 * config/i386/i386.md (call_pop): Check operands[0],
5864 not operands[1]. Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
5866 (call_value_pop): Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
5867 (call_value): Likewise.
5869 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
5871 * toplev.c (pipe_closed): Delete.
5872 (crash_signal): New. Generate ICE for a fatal signal.
5873 (float_signal): Call crash_signal outside a float-handler
5875 (main): Install crash_signal as handler for core-dumping signals.
5877 2000-07-25 David Edelsohn <edelsohn@gnu.org>
5879 * rs6000.c (print_operand, case 'T'): New case.
5881 * rs6000.md (call_indirect_aix32): Convert to expander of
5882 scheduled instructions.
5883 (call_indirect_aix64): Likewise.
5884 (call_value_indirect_aix{32,64}): Likewise.
5885 (call, call_value): Invoke expanders for AIX. Fall through to
5887 (call_indirect_nonlocal_aix{32,64}): New patterns (ctr and lr).
5888 (call_value_indirect_nonlocal_aix{32,64}): New patterns.
5889 (call_nonlocal_aix32): Remove CALL_LONG alternative. Operand 1
5890 only "g" constraint.
5891 (call_nonlocal_aix64): Likewise.
5892 (call_value_nonlocal_aix{32,64}): Likewise.
5893 (call_nonlocal_sysv): New pattern for ctr, lr, and symbolic
5895 (call_value_nonlocal_sysv): New pattern.
5896 (indirect_jump{si,di}): Use new 'T' modifier.
5897 (tablejump{si,di} matchers): Likewise.
5898 (return_internal_{si,di}): Likewise.
5899 (return_eh_{si,di}): Likewise.
5901 2000-07-24 Richard Henderson <rth@cygnus.com>
5903 * config/ia64/ia64.c (ia64_print_operand): Handle "%,".
5904 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): Likewise.
5905 * config/ia64/ia64.md (movdi_internal): Use it.
5907 2000-07-24 Zack Weinberg <zack@wolery.cumb.org>
5909 * cppexp.c: Warn about unary + if -Wtraditional.
5910 * cpplex.c (lex_line): Always set BOL on the first token of a line.
5912 2000-07-24 Michael Meissner <meissner@redhat.com>
5914 * d30v.h (FUNCTION_ARG_KEEP_AS_REFERENCE): Delete references to
5917 2000-07-24 Nick Clifton <nickc@cygnus.com>
5919 * config/arm/arm.c (emit_multi_reg_push): Generate a
5920 REG_FRAME_RELEATED_NOTE that is compatable with the code in
5921 dwarf2out_debug_frame_expr.
5923 2000-07-24 Jason Merrill <jason@redhat.com>
5925 * dwarf2out.c: Complain if DWARF2_DEBUGGING_INFO is defined without
5926 UNALIGNED_INT_ASM_OP.
5927 (def_cfa_1): Don't emit def_cfa_register or def_cfa_offset to adjust
5928 a location expression.
5929 (dwarf2out_frame_debug_expr): Lose cfa_old_reg stuff. Don't
5930 assume indirect access if we're saving the CFA address exactly.
5932 * Makefile.in (bootstrap): Move -BstageN/ to the end.
5934 2000-07-24 Jakub Jelinek <jakub@redhat.com>
5936 * tradcpp.c (main): Update max_include_len for cpp_include_defaults
5939 2000-07-24 Michael Meissner <meissner@redhat.com>
5941 * invoke.texi (D30V Options): Add d30v options.
5943 Mon Jul 24 02:04:52 2000 Jeffrey A Law (law@cygnus.com)
5945 * gcse.c (alloc_pre_mem): Do not alloc TRANSPOUT, it is not
5946 needed by our gcse pass anymore.
5947 (free_pre_mem): Corresponding changes.
5948 (compute_pre_data): Do not call compute_transpout anymore.
5950 * gcse.c (alloc_avail_expr_mem): Kill unused 'u_bitmap'.
5951 (free_avail_expr_mem, alloc_pre_mem, free_pre_mem): Corresponding
5954 * gcse.c (free_pre_mem): Do not free ANTLOC and AE_KILL here.
5955 (compute_pre_data): Do it here instead.
5957 * gcse.c (alloc_pre_mem, free_pre_mem): Delete unused bitmap
5959 (pre_delete): Corresponding changes.
5961 2000-07-23 Mark Mitchell <mark@codesourcery.com>
5963 * c-semantics.c (make_rtl_for_local_static): Use TREE_ASM_WRITTEN
5964 to figure out whether or not a variable has already been emitted.
5966 Sun Jul 23 14:49:12 2000 Jason Eckhardt <jle@cygnus.com>
5968 * config/i860/i860.md (untyped_call expander): Use GEN_CALL
5969 instead of gen_call.
5971 Sun Jul 23 11:52:03 2000 George Helffrich (george@gly.bris.ac.uk)
5973 * dbxout.c (dbxout_type, case COMPLEX_TYPE): Fix length field in stab.
5975 2000-07-23 Kazu Hirata <kazu@hxi.com>
5977 * h8300.c: Fix formatting.
5979 2000-07-23 Joseph S. Myers <jsm28@cam.ac.uk>
5981 * c-typeck.c (c_expand_start_case): Change -Wtraditional pedwarn
5982 for `long' switch expression into a plain warning.
5984 * c-lex.c (init_lex): Keep the "inline" keyword in C99 mode.
5985 (yylex): Don't pedwarn for "inline" in C99 mode.
5987 * bitmap.c (debug_bitmap_file): Cast pointers to PTR for printing
5989 * ggc-page.c (debug_print_page_list, alloc_page, free_page,
5990 ggc_alloc): Likewise.
5991 * bb-reorder.c (dump_scope_forest_1): Likewise.
5993 2000-07-22 Aldy Hernandez <aldyh@redhat.com>
5995 * reload.c (find_reloads_toplev): Add new parameter
5997 (find_reloads): Add new parameter to find_reloads_toplev calls.
5999 2000-07-22 Jeffrey Oldham <oldham@codesourcery.com>
6001 * collect2.c (main): Typo fixed.
6002 * diagnostic.c: Typo fixed.
6003 * dwarf2out.c (dwarf2out_frame_debug_expr): Typo fixed.
6004 * eh-common.h: Typo fixed.
6005 * emit-rtl.c (start_sequence): Typo fixed.
6006 * flow.c (find_label_refs): Typo fixed.
6007 (calculate_global_regs_live): Typo fixed.
6008 (mark_regno_cond_dead): Typo fixed.
6009 (create_edge_list): Typos fixed.
6010 (verify_edge_list): Typo fixed.
6011 * ggc-common.c (ggc_mark_rtx_children): Typo fixed.
6012 * loop.c (strength_reduce): Typo in function name fixed.
6013 * rtl.h: Added comments. Typo in function name fixed.
6014 * rtlanal.c: Typo in function name fixed.
6015 (insn_dependant_p): Rename to ...
6016 (insn_dependent_p): ... this.
6017 (computed_jumo_p): Typo fixed.
6019 2000-07-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6021 * system.h (__FUNCTION__): Wrap definition in #ifndef.
6023 2000-07-21 David Edelsohn <edelsohn@gnu.org>
6025 * rs6000.h (SIZE_TYPE): Define.
6027 2000-07-21 Mark Mitchell <mark@codesourcery.com>
6029 * ssa.c (rename_insn_1): Don't rename registers that are
6032 2000-07-21 Zack Weinberg <zack@wolery.cumb.org>
6034 * diagnostic.c (trim_filename, fancy_abort): Moved here from
6036 (fatal_function, set_fatal_function): Removed.
6037 (fatal): Don't prepare for or call the fatal_function.
6038 (diagnostic_lock, error_recursion): New.
6039 (diagnostic_for_decl, report_diagnostic): Guard against
6040 re-entering the error reporting routines.
6041 (fancy_abort): Assume function is not NULL.
6043 * errors.c (fancy_abort): New. Assume function is not NULL.
6044 * tradcpp.c (fancy_abort): Assume function is not NULL.
6046 * system.h: Provide default definition of __FUNCTION__.
6047 * rtl.h: Use __FUNCTION__ not __PRETTY_FUNCTION__ throughout.
6048 Always use __FUNCTION__ in definition of abort.
6050 * varray.h: Likewise.
6051 * toplev.h: Likewise. Don't prototype set_fatal_function.
6053 2000-07-20 Geoff Keating <geoffk@cygnus.com>
6055 * config/rs6000/aix43.h (CPP_SPEC): Define __LONG_MAX__ correctly
6057 * glimits.h: Don't do #if defined for ARCH_PPC.
6059 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): All
6060 constants of size no larger than a pointer should go in the TOC.
6061 Add 'MODE' parameter.
6062 (LEGITIMIZE_RELOAD_ADDRESS): Add MODE parameter to
6063 ASM_OUTPUT_SPECIAL_POOL_ENTRY_P.
6064 (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Likewise.
6065 * config/rs6000/aix.h (SELECT_RTX_SECTION): Likewise.
6066 * config/rs6000/netware.h (SELECT_RTX_SECTION): Likewise.
6067 * config/rs6000/rs6000.c (constant_pool_expr_1): Likewise.
6068 (rs6000_legitimize_address): Likewise.
6069 (rs6000_emit_move): Likewise.
6070 (rs6000_select_rtx_section): Likewise.
6071 (output_toc): Deal properly with outputting small constants like
6072 HImode, and SFmode in 32-bit mode, and DFmode in 64-bit mode.
6073 * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Add
6074 MODE parameter. Put small constants in the TOC.
6076 * config/rs6000/rs6000.c (easy_fp_constant_p): All constants are
6078 (rs6000_emit_move): When reload calls us with an illegitimate
6079 address, exit early. Move the change_address calls to one place
6080 at the end of the routine. Merge the SImode and DImode expanders.
6081 When called by reload to put an integer into a FP register, force
6084 * config/rs6000/rs6000.c (struct toc_hash_struct): Add 'key_mode'
6086 (rs6000_hash_constant): Hash mode too.
6087 (toc_hash_function): Allow for key_mode.
6088 (toc_hash_eq): Structures are different if key_mode differs.
6089 (output_toc): Add 'mode' parameter. Save key_mode.
6090 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY):
6091 Pass 'mode' parameter.
6092 * config/rs6000/rs6000-protos.h (output_toc): Add 'mode' param.
6094 * config/rs6000/rs6000.c (output_toc): Use RS6000_OUTPUT_BASENAME
6095 for vtable references.
6097 * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): If we have a
6098 choice, don't put integer values in FP regs.
6100 Thu Jul 20 18:13:52 2000 Jeffrey A Law (law@cygnus.com)
6102 * flow.c (verify_flow_info): Revamp code to verify that the
6103 head and end of each basic block are in the insn chain.
6105 Thu Jul 20 18:02:35 2000 Michael Matz <matzmich@cs.tu-berlin.de>
6107 * gcse.c (record_one_set): Prepend instead of append onto
6108 reg_set_table, making it O(n) instead O(n^2).
6109 * lcm.c (compute_antinout_edge,compute_laterin,compute_available):
6110 Use a queue instead of a stack as worklist.
6112 2000-07-20 Kazu Hirata <kazu@hxi.com>
6114 * h8300.c (two_insn_adds_subs_operand): Fix a typo.
6115 * h8300.h (OK_FOR_T): New.
6116 (EXTRA_CONSTRAINT): Support OK_FOR_T.
6117 * h8300.md: Use inc/dec.[wl] for increment/decrement
6118 by 1 and 2 in HI and SI modes.
6120 2000-07-20 Jim Wilson <wilson@cygnus.com>
6122 * config/ia64/ia64.h (ASM_OUTPUT_MI_THUNK): Handle DELTA values
6123 larger than 14 bits.
6125 2000-07-20 Zack Weinberg <zack@wolery.cumb.org>
6127 * cppmacro.c (CAN_PASTE_AFTER): New macro.
6128 (count_params): Don't set GNU_REST_ARGS on anything.
6129 (save_expansion): Set PASTE_LEFT only on tokens for which
6130 CAN_PASTE_AFTER is true, or which are named operators.
6132 * cpplex.c (parse_args): Distinguish between a rest argument
6133 given one empty argument, and a rest argument given zero arguments.
6134 (maybe_paste_with_next): Look for VOID_REST tag, and trigger
6135 deletion of previous token based on that.
6136 (get_raw_token): Flatten some control structure.
6138 * cpplib.h (CPP_LAST_EQ): Correct.
6139 (VOID_REST): New token flag.
6140 (GNU_REST_ARGS): Delete.
6142 * tradcpp.c (main): Don't munge -D options.
6143 (make_definition): Bring -D handling in line with cpplib.
6144 (do_define): Strip all leading whitespace from macro definitions.
6146 2000-07-20 David Billinghurst <David.Billinghurst@riotinto.com.au>
6148 * Makefile.in (tradcpp): Depend on intl.o and version.o.
6150 2000-07-20 Bruce Korb <bkorb@gnu.org>
6152 * fixincl/check.tpl: strip the platform specific types before testing
6153 * fixincl/fixfixes.c(gnu_type_fix): use platform specific types
6154 * fixincl/fixincl.tpl: use platform specific types
6155 * fixincl/fixlib.h: include the platform specific types
6156 * fixincl/inclhack.def(gnu_types): don't supply the types
6157 * fixincl/fixincl.x: regen
6159 2000-07-19 Jim Wilson <wilson@cygnus.com>
6161 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): Don't allow XFmode in
6164 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
6166 * tradcpp.c (rescan): Do not recognize directives when the #
6169 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
6171 Implement C++ named operators.
6173 * cpplib.h (TTYPE_TABLE): Move CPP_MIN and CPP_MAX into block
6174 of operators allowed in #if and having an _EQ variant. Add
6175 CPP_MIN_EQ, CPP_MAX_EQ, and CPP_DEFINED.
6176 (cpp_token flags): Add NAMED_OP.
6177 (enum node_type): Add T_OPERATOR.
6178 (struct cpp_hashnode): Add code slot to value union.
6179 * cpphash.h (spec_nodes): Remove n_defined.
6181 * cpplex.c (lex_line): Convert T_OPERATOR nodes to their proper types.
6182 (spell_token, can_paste, maybe_paste_with_next): Handle named operators.
6183 (is_macro_disabled): Tweak error messages.
6185 * cpplib.c (get_define_node): Disallow all named operators as
6186 macro names. Tweak error messages.
6187 (_cpp_init_stacks): Don't set up spec_nodes->n_defined.
6189 * cppinit.c (builtin_array): Add entries for the named operators.
6190 * cppexp.c (lex): Check for CPP_DEFINED token.
6191 (priority table): Add entries for CPP_MIN and CPP_MAX.
6192 (_cpp_parse_expr): Handle CPP_MIN and CPP_MAX.
6194 2000-07-19 Bernd Schmidt <bernds@cygnus.co.uk>
6196 * gcse.c (INSN_CUID): If ENABLE_CHECKING, abort if the uid is
6197 larger than the array of cuids.
6198 (alloc_gcse_mem): Use uid_cuid rather than INSN_CUID when computing
6201 2000-07-19 Bruce Korb <bkorb@gnu.org>
6203 * fixinc/fixincl.c: Convert to using a table of environment variables
6204 and activate the auto-edit marker on the fixed output files.
6205 * fixinc/fixlib.h: Define the environment table
6206 * fixinc/fixincl.sh: export the ${INPUT} dir
6207 * fixinc/check.tpl: likewise
6209 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
6211 * gcc.c (.h spec): Fix typo.
6213 Wed Jul 19 01:22:15 CEST 2000 Marc Espie <espie@cvs.openbsd.org>
6215 * Makefile.in: Fix tradcif.c path.
6217 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
6219 * cpplib.h (TTYPE_TABLE): Rearrange to use only two per-entry
6222 * cpphash.h (TOKEN_NAME): New macro.
6223 (_cpp_spell_operator): Deleted.
6224 (token_spellings): Now _cpp_token_spellings.
6226 * cppexp.c: Use TOKEN_NAME or TYPE_NAME, not _cpp_spell_operator.
6227 * cpplex.c: Use OP and TK macros when expanding the
6228 TTYPE_TABLE. Eliminate token_names. For non-OPERATOR tokens,
6229 store the stringification of the enumeration name (CPP_CHAR,
6230 etc.) in the name slot of token_spellings.
6231 Use TOKEN_NAME and/or TOKEN_SPELL, do not reference
6232 token_spellings directly.
6233 * cpplib.c: Use TOKEN_SPELL.
6235 * cpplex.c (_cpp_push_token): If the token being pushed back
6236 is the previous token in this context, just subtract one from
6238 * cppmacro.c (save_expansion): Clear aux field when storing a
6241 2000-07-18 Jakub Jelinek <jakub@redhat.com>
6243 * cpplex.c (cpp_scan_buffer): Output line command even at the stop
6244 buffer, provided it is not NULL.
6246 2000-07-18 Alexandre Oliva <aoliva@redhat.com>
6248 * c-decl.c (duplicate_decls): Do not call make_var_volatile() in
6249 case of invalid volatile re-declaration.
6251 2000-07-18 Jakub Jelinek <jakub@redhat.com>
6253 * calls.c (store_arg): Return non-zero if sibcall_failure is desired.
6254 (expand_call): Adjust caller.
6256 2000-07-17 Gabriel Dos Reis <gdr@codesourcery.com>
6258 * diagnostic.h (report_diagnostic): Change prototype.
6260 * diagnostic.c (output_do_verbatim, diagnostic_for_asm,
6261 diagnostic_for_decl): Change prototype.
6262 (error_with_decl, warning_with_decl, pedwarn_with_decl, warning,
6263 error, warning, error_with_file_and_line,
6264 warning_with_file_and_line, pedwarn_with_file_and_line, fatal):
6265 Adjust call to report_diagnostic, diagnostic_for_decl.
6266 (error_for_asm, warning_for_asm): Adjust call to diagnostic_for_asm.
6267 (output_verbatim, verbatim): Adjust call to output_do_verbatim.
6269 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic. End
6270 varaible argument list.
6272 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
6274 * cpphash.c: Don't include hashtab.h. Most macro-handling code
6275 moved to cppmacro.c.
6276 (hash_HASHNODE, eq_HASHNODE, _cpp_dump_macro_hash,
6277 dump_hash_helper): Delete.
6278 (expand_hash, higher_prime_number, _cpp_lookup_with_hash,
6279 cpp_forall_identifiers): New. Implement specialized version of
6280 Vlad's expandable hash table.
6281 (cpp_lookup): Use new functions.
6282 (_cpp_init_macros, _cpp_cleanup_macros): Adjust for new
6284 * cppmacro.c: New file.
6285 * cppinit.c (dump_macros_helper): New.
6286 (cpp_finish): Iterate over the identifier table directly.
6287 * cpplex.c (parse_name): Calculate the hash of the identifier
6288 while we scan it. Use _cpp_lookup_with_hash when we can.
6290 * cpphash.h: Update prototypes.
6291 (xcnewvec, HASHSTEP): New helper macros.
6292 * cpplib.h: Update prototypes.
6293 * Makefile.in (LIBCPP_OBJS): Add cppmacro.o.
6294 (cppmacro.o): New rule.
6295 (cpphash.o): Update deps.
6297 * cppmain.c: Do not set pfile->printer if no_output is on.
6299 2000-07-15 Neil Booth <neilb@earthling.net>
6301 * cpplib.c: Change all directive-handler functions to return
6303 * cpphash.h: Update typedefs.
6305 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
6307 * configure: Regenerate.
6309 * extend.texi (Extended Asm): Mention that a memory clobber
6310 does not count as a side-effect.
6312 * unroll.c (copy_loop_body): Fix one instance of using host
6313 arithmetic on the target; fixes loop-4 on a 32-bit -> 64-bit
6316 * tlink.c (scan_linker_output): Tweak for output of AIX ld.
6318 2000-07-17 Richard Henderson <rth@cygnus.com>
6320 * config/ia64/ia64.md (movdi): Split out load address code.
6321 New post-reload splitter for symbolic operands.
6322 (movdi_internal): Abort if we didn't split symbolic operands
6323 when we should have.
6324 * config/ia64/ia64.c (ia64_expand_load_address): New, from movdi bits.
6325 (ia64_reorg): Split insns when not optimizing.
6326 * config/ia64/ia64-protos.h (ia64_expand_load_address): Declare.
6328 Mon Jul 17 23:43:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
6330 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Use LONG_DOUBLE_TYPE_SIZE
6331 instead of MAX_LONG_DOUBLE_TYPE_SIZE to decide output format.
6333 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
6335 * loop.c (check_dbra_loop) : Changed loop_continue to loop->cont.
6337 2000-07-17 Jason Merrill <jason@redhat.com>
6339 * Makefile.in (clean): Remove libgcc directory.
6341 * configure.in (-Wno-long-long check): Use higher-level macros.
6343 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
6345 * simplify-rtx.c (simplify_binary_operation): Recognize
6346 (compare (gt[u] (cc) 0) (lt[u] (cc) 0)).
6347 (simplify_ternary_operation): Do not examine MODE_BITSIZE of
6348 a CONST_INT, it will always be zero.
6350 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
6352 * loop.c (check_dbra_loop) : Return if more than one condition is
6353 present to control the loop.
6355 Mon Jul 17 08:26:35 2000 Clinton Popetz <cpopetz@cygnus.com>
6357 * mips.c (mips_expand_prologue): Don't calculate the last argument
6358 register unless we need it. When we are calculating this, make
6359 sure FUNCTION_ARG is giving us a REG.
6361 2000-07-17 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6363 * flow.c (libcall_dead_p): Use single_set to verify the insn
6364 has only one set and get for analysis.
6365 (propagate_one_insn): Don't pass the PATTERN of the insn.
6367 2000-07-17 Mark Klein <mklein@dis.com>
6369 * pa.c (emit_hpdiv_const): Update to match new pattern for udivsi3.
6371 2000-07-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
6373 * Makefile.in (TARGET_GETGROUPS_T): New configuration variable.
6374 * configure.in (TARGET_GETGROUPS_T): Evaluate.
6375 * sys-protos.h (getgroups): Use TARGET_GETGROUPS_T for array type
6376 of second argument of getgroups.
6377 * configure, config.in: Rebuilt.
6379 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
6381 * simplify-rtx.c (simplify_relational_operation): Two signed
6382 values with equal high words are less/greater than each other if
6383 their low words are less/greater when considered as unsigned.
6385 Mon Jul 17 02:37:06 2000 Marc Espie <espie@openbsd.org>
6387 * configure.in (vax-*-openbsd): Change to new style configuration,
6388 add collect2/float_format information.
6389 * configure: Rebuilt.
6390 * config/vax/openbsd1.h: New.
6391 * config/vax/openbsd.h: New.
6392 * config/vax/t-openbsd: New.
6394 2000-07-17 Chip Salzenberg <chip@valinux.com>
6396 * c-common.c (shorten_compare): Quiet warnings about unsigned
6397 comparisons with zero when they occur in a system header.
6399 2000-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
6401 * invoke.texi (-pedantic): Refer to ISO C instead of ANSI C, and
6402 update to describe current practice.
6404 * glimits.h (LLONG_MIN, LLONG_MAX, ULLONG_MAX): Define for C99.
6406 * contrib.texi, cpp.texi, extend.texi, invoke.texi: Update
6407 references to C9X. Change references to -fstd and -flang-isoc9x
6410 * c-common.c (scan_char_table): Allow "z" length modifiers on
6412 (check_format_info): Use TYPE_DOMAIN on the type matched against
6413 for "z" formats, to retrieve the language size_t rather than the
6416 * c-common.c (check_format_info): Do not make a pedantic objection
6417 to the 'L' length modifier if used with a floating point type
6420 * c-lex.c (yylex): Don't pedwarn for hexadecimal floating point
6421 constants in C99 mode.
6423 2000-07-17 Kazu Hirata <kazu@hxi.com>
6425 * h8300.md: Fix the format of mac.
6426 (movsi_h8300hs): Output a tab after stmac instead of a space.
6428 * h8300.c (two_insn_adds_subs_operand): Improve code for detecting
6429 profitable adds/subs sequences.
6431 * fold-const.c: Fix comment typos.
6433 2000-07-16 Laurynas Biveinis <lauras@softhome.net>
6435 * cppfiles.c (read_name_map): Set map_list_ptr->map_list_map to NULL.
6437 2000-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6439 * fixinc/fixfixes.c (emit_gnu_type): Avoid string concatenation.
6441 2000-07-16 Neil Booth <NeilB@earthling.net>
6443 * cpplex.c: Update comments.
6444 * README.Portability: Small update.
6446 2000-07-16 Neil Booth <NeilB@earthling.net>
6448 * README.Portability: Small update.
6450 2000-07-15 Richard Henderson <rth@cygnus.com>
6452 * config/ia64/ia64-protos.h (ia64_move_ok): Prototype.
6453 * config/ia64/ia64.c (ia64_move_ok): New function.
6454 * config/ia64/ia64.md (movqi, movqi_internal): Use it.
6455 (movhi, movsi, movdi, movsf, movdf, movxf): Likewise.
6457 2000-07-15 Zack Weinberg <zack@wolery.cumb.org>
6459 * cpphash.c (save_expansion): Clear PREV_WHITE on tokens
6460 immediately following a paste operator.
6461 * cppinit.c (sort_options): New function (only for HOST_EBCDIC).
6462 (cpp_reader_init): Call it, if HOST_EBCDIC.
6463 (cpp_handle_options): Do not sort option list here.
6464 (handle_option): Rename to cpp_handle_option and export.
6465 * cpplex.c (cpp_scan_buffer_nooutput, cpp_scan_buffer): Use
6466 _cpp_get_token directly.
6467 (cpp_scan_line): Return 0 at EOF, 1 otherwise.
6468 * cpplib.c (cpp_push_buffer): Don't set new->lineno to 1.
6469 * cpplib.h: Prototype cpp_handle_option. Update prototype of
6472 2000-07-15 Richard Henderson <rth@cygnus.com>
6474 * fold-const.c (extract_muldiv): Don't optimize past an unsigned
6475 cast around an expression. Tidy other unsigned tests.
6477 2000-07-15 Gabriel Dos Reis <gdr@codesourcery.com>
6479 * diagnostic.c (doing_line_wrapping, line_wrapper_printf, notice,
6480 v_error_with_decl, v_warning_with_decl, v_pedwarn_with_decl): Remove.
6481 (v_message_with_decl): Rename to ...
6482 (format_with_decl): ... this. Tweak
6483 (diagnostic_for_decl): New function.
6484 (fatal_io_error): Use verbatim in lieu of notice.
6485 (announce_function): Use verbatim.
6486 (default_print_error_function): Likewise.
6487 (error_with_decl, warning_with_decl, pedwarn_with_decl): Use new
6490 2000-07-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6492 * mips.c (function_arg_pass_by_reference): Don't do automatic
6493 aggregate initialization.
6494 (machine_dependent_reorg): Initialize variable `mode'.
6496 * mips.md (absdi2): Change variable `regno1' to unsigned int.
6497 (reload_indi): Rename loword/hiword to lo_word/hi_word to avoid
6498 conflicts with sys/param.h macro of the same name.
6499 (reload_outdi): Likewise.
6501 2000-07-15 Michael Meissner <meissner@redhat.com>
6503 * fold-const.c (fold): When optimizing FOO++ == CONST into ++FOO
6504 == CONST + INCREMENT, don't overwrite the tree node for FOO++,
6505 create a new node instead.
6507 2000-07-15 Neil Booth <NeilB@earthling.net>
6509 * README.Portability: Correct example about calling a function
6510 through a pointer to function. Format wide paragraphs.
6512 2000-07-15 Michael Meissner <meissner@redhat.com>
6514 * README.Portability: Update integer suffixes and function
6517 2000-07-15 Neil Booth <NeilB@earthling.net>
6519 * README.Portability: Small update.
6521 2000-07-15 Neil Booth <NeilB@earthling.net>
6523 * README.Portability: New file.
6525 Fri Jul 14 18:13:53 2000 Mark P Mitchell <mark@codesourcery.com>
6527 * INSTALL: Give special instructions for building GCC on Irix 6.
6528 * config/mips/x-iris6 (CC): Don't set it.
6531 2000-07-14 Jason Merrill <jason@redhat.com>
6533 * dwarf2out.c (dwarf2out_frame_debug_expr): If we store the CFA
6534 register in the stack and later in another register, use the new
6537 Fri Jul 14 10:25:53 2000 Clinton Popetz <cpopetz@cygnus.com>
6539 * config/mips/mips.md: (absdi2): Handle sign_extend for
6542 2000-07-14 Nathan Sidwell <nathan@codesourcery.com>
6544 * cpplib.c (do_pragma_dependency): Tidy warning messages.
6546 2000-07-14 Zack Weinberg <zack@wolery.cumb.org>
6548 * .cvsignore: Correct typo.
6550 2000-07-13 Mark Mitchell <mark@codesourcery.com>
6552 * .cvsignore: Add generated YACC files.
6553 * objc/.cvsignore: New file.
6555 2000-07-14 Neil Booth <NeilB@earthling.net>
6557 * cpplex.c (adjust_column): New funcion.
6558 (skip_whitespace): Use it.
6559 (skip_block_comment): Use it, and warn about /*/* with
6562 2000-07-14 Neil Booth <NeilB@earthling.net>
6564 * cpphash.c (struct macro_info): Add new members.
6565 (_cpp_free_definition): Delete the macro directly.
6566 (count_params): Return void, with first token of
6567 expansion in struct macro_info on success.
6568 (parse_define): Return int. Hoist syntax checking from
6569 save_macro_expansion. Leave call to save_expansion to
6570 _cpp_create_definition.
6571 (alloc_macro): Needs just 2 arguments.
6572 (free_macro): Delete.
6573 (save_expansion): Don't perform syntax check.
6574 (_cpp_create_definition): Call save_expansion.
6576 2000-07-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6578 * genrecog.c (write_header): Split long string.
6580 * cpphash.c (macro_info): Don't use the `signed' keyword.
6582 * system.h (alloca): Prototype if __GNUC__ && __SIZE_TYPE__.
6584 2000-07-13 Jakub Jelinek <jakub@redhat.com>
6586 * calls.c (stored_args_map): New variable.
6587 (check_sibcall_argument_overlap_1): New.
6588 (check_sibcall_argument_overlap): New.
6589 (expand_call): Initialize stored_args_map.
6590 Call check_sibcall_argument_overlap.
6592 2000-07-13 Bruce Korb <bkorb@gnu.org>
6594 * fixinc/fixfixes.c: move EXIT_BROKEN to header, add sub-expr max count
6595 (emit_gnu_type): utility procedure for gnu_type_fix
6596 (gnu_type_fix): implement various pre-processor guards around
6597 standard types so these types can be defined over and over
6598 * fixinc/fixincl.tpl: add a "gnu_type_map" that forces the standard
6599 types alluded to above will have GNU-compliant base types
6600 * fixinc/fixlib.h: add EXIT_BROKEN define and the gnu_type_map struct
6601 * fixinc/inclhack.def: add test_text entries and utilize the new
6602 "gnu_types" fix for the ptrdiff_t, size_t and wchar_t types.
6603 * fixinc/fixincl.x: regenerate
6605 2000-07-12 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
6607 * diagnostic.c (vline_wrapper_message_with_location,
6608 v_message_with_file_and_line, v_error_with_file_and_file,
6609 v_error_for_asm, v_warning_for_asm, vfatal,
6610 v_warning_with_file_and_line, v_pedwarn_with_file_and_line,
6611 vsorry, verror, vwarning, vpedwarn): Remove.
6612 (diagnostic_for_asm): New function.
6613 (pedwarn, error, warning, pedwarn_with_file_and_line,
6614 error_with_file_and_line, warning_with_file_and_line, sorry,
6615 error_for_asm, warning_for_asm, fatal): Reimplement.
6616 (finish_diagnostic): Clear diagnostic info as well.
6618 2000-07-13 Neil Booth <NeilB@earthling.net>
6620 * c-common.h (flag_digraphs): New.
6621 * c-decl.c (c_decode_option): Set flag_digraphs as appropriate.
6622 * c-lex.c (yylex): Use flag_digraphs to decide whether to
6625 2000-07-13 Zack Weinberg <zack@wolery.cumb.org>
6627 * gcc.c (do_spec_1): Add new %B operator.
6628 (set_input): Prepare for %B.
6630 (link_command_spec): Move up with the other tm.h-
6631 overrideable specs. Factor out the portion conditional on
6632 LINK_LIBGCC_SPECIAL into a new spec, %(link_libgcc).
6633 (struct compiler): Just have a single spec string. All users
6635 (default_compilers): Remove unnecessary braces.
6636 (static_specs): Update.
6638 (trad_capable_cpp, cpp_options, cc1_options, asm_options): New
6640 (C and assembly specs): Use the new named specs, as appropriate.
6642 * objc/lang-specs.h: Use the new named specs.
6643 Remove unnecessary braces.
6645 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
6647 * gcc.c (execute): If a subprocess gets a fatal signal, report
6648 strsignal() of the signal number, and ask for a bug report.
6649 Do not do this for SIGPIPE if there's already been an error.
6651 * tradcpp.c: Don't include signal.h. Don't catch SIGPIPE.
6654 * tradcif.c: Remove.
6656 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
6658 * final.c (profile_function): Do not emit profile counters in
6659 the data section, if NO_PROFILE_COUNTERS is defined.
6660 * tm.texi: Document NO_PROFILE_COUNTERS. Update doc for
6663 * config/i386/linux.h (NO_PROFILE_COUNTERS): Define.
6664 (FUNCTION_PROFILER): Just emit a call to mcount.
6666 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
6668 * tradcpp.c (main): Rename 'perror' label to 'sys_error'.
6670 * cppexp.c, cpphash.c, cpphash.h, cppinit.c, cpplex.c,
6671 cpplib.c, cpplib.h: Eradicate all traces of code dependent on
6672 traditional, lang_chill, or lang_fortran.
6674 * cppfiles.c: #undef strcmp to suppress warning about macros
6675 used without arguments.
6676 (_cpp_execute_include): Use f, not fname, in "No include path"
6678 (_cpp_pop_file_buffer): New function.
6679 * cpplib.c: Don't include <sys/mman.h>.
6680 (cpp_push_buffer): Set line_base and lineno in new buffer.
6681 (cpp_pop_buffer): Use _cpp_pop_file_buffer.
6683 * cpplex.c: Move all prototypes and structure declarations to the
6684 top of the file. Properly parenthesise some macro arguments.
6685 (cpp_scan_line): New function.
6686 (special_symbol [case T_INCLUDE_DEPTH]): Use pfile->include_depth,
6687 don't need to walk up the stack counting.
6689 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6691 * c-common.c (combine_strings): Emit a pedantic warning when a
6692 string length is greater than the minimum ANSI C is required
6695 Wed Jul 12 13:24:30 2000 Jeffrey A Law (law@cygnus.com)
6697 * pa/xm-pa64.h (NO_SYS_SIGLIST): Kill.
6698 * d30v/xm-d30v.h (NO_SYS_SIGLIST): Kill.
6700 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6702 * c-decl.c (define_label): Warn about identifier conflicts with
6703 labels in traditional C.
6705 * c-parse.in (unop +): Warn about the unary plus operator for
6708 * c-typeck.c (store_init_value): Warn about automatic aggregate
6709 initialization for traditional C.
6711 * invoke.texi (-Wtraditional): Document new warnings.
6713 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
6715 * Makefile.in (c-errors.o): Fix thinko in dependency.
6717 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
6719 * gcc.c (C specs [!USE_CPPLIB]): Invoke tradcpp if any of
6720 -traditional, -ftraditional, or -traditional-cpp was given.
6721 Do not pass -traditional to the preprocessor.
6722 (.S spec): Likewise. Don't bother defining __ASSEMBLER__, the
6723 preprocessor does it automatically.
6724 * objc/lang-specs.h: Likewise. Don't bother defining __OBJC__.
6726 * ch/lang-specs.h: Always use tradcpp. Do not pass
6727 -traditional, -trigraphs, or -pedantic to the preprocessor.
6728 * f/lang-specs.h (.F spec): Likewise. Don't bother defining
6731 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
6733 * cppexp.c (LOGICAL): Delete macro.
6734 (_cpp_parse_expr): Do not use UNARY for unary +. Implement ||
6737 * cpphash.c (HASHSIZE): Increase to 4096.
6738 (struct hashdummy): Add hash field.
6739 (eq_HASHNODE): Compare unreduced hashes, then lengths, then
6740 the string values using memcmp.
6741 (cpp_lookup): Set dummy.hash.
6743 Wed Jul 12 13:15:16 2000 Marc Espie <espie@openbsd.org>
6745 * configure.in (m88k-openbsd): Express configuration using new fragment
6747 * configure: Rebuilt.
6748 * m88k/aout-dbx.h: New.
6749 * m88k/openbsd.h: New.
6750 * m88k/xm-openbsd.h: New.
6752 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6754 * expr.c (expand_expr): Return const0_rtx, not error_mark_node.
6756 2000-07-12 Richard Henderson <rth@cygnus.com>
6758 * reload.c (push_secondary_reload): Make sure to add the new
6759 reload at the end, after acquiring secondary memory.
6761 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6763 * cpplex.c (is_macro_disabled): Use CPP_WTRADITIONAL.
6765 * c-decl.c (set_current_function_name_declared, anon_aggr_type_p,
6766 lang_expand_stmt): Mark parameters with ATTRIBUTE_UNUSED.
6768 * c-parse.in (stmt): Delete unused variables.
6770 * convert.c (convert_to_vector): Likewise.
6772 * gensupport.c (process_rtx): Declare attr as `rtvec' not `rtx'.
6774 * tree.c (finish_vector_type): Prototype.
6776 2000-07-12 Bruce Korb <bkorb@gnu.org>
6778 * fixinc/fixfixes.c: use xmalloc
6779 * fixinc/fixincl.c(initialize): set program name for xmalloc
6780 * fixinc/fixlib.c(must_malloc): obsolete
6781 (is_cxx_header): no longer used - disabled
6782 (skip_quote): inserted and disabled for future use
6783 * fixinc/fixlib.h: reflects above
6784 * fixinc/fixtests.c: removed dinkleberries
6786 2000-07-12 Neil Booth <NeilB@earthling.net>
6788 * cpphash.h: (TOKEN_SPELL) Pulled from cpplex.c.
6789 * cpplex.c (TOKEN_SPELL) Move to cpphash.h.
6791 * cpphash.c: (struct macro_info, alloc_macro, free_macro,
6792 struct toklist_dummy): New.
6793 (cpp_free_definition): Free macros with free_macro.
6794 (count_params): Don't save paramter spellings. Save macro
6795 information in a struct macro_info.
6796 (parse_define): Don't allocate a token list.
6797 (save_expansion): Allocate the macro's token list, and
6798 save parameter spellings if necessary. Use TOKEN_SPELL.
6799 (cpp_create_definition): Make list const.
6801 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
6803 * c-typeck.c (pedwarn_c99): Move to
6804 * c-errors.c: ... Here.
6805 * toplev.h (verror, vwarning, vpedwarn): Remove prototypes.
6806 * diagnostic.c (verror, vwarning, vpedwarn): Make static.
6807 * Makefile.in (C_AND_OBJC_OBJS): Include c-errors.o
6808 (c-errors.o): List dependency.
6810 2000-07-12 Mark Mitchell <mark@codesourcery.com>
6812 * c-parse.c: Remove.
6813 * c-parse.h: Likewise.
6814 * c-parse.y: Likewise.
6815 * objc/objc-parse.c: Likewise.
6816 * objc/objc-pasre.y: Likewise.
6818 2000-07-11 Rodney Brown <RodneyBrown@pmsc.com>
6820 * gcc.texi: Fix minor typos
6821 * extend.texi: Fix minor typos
6823 2000-07-11 Marc Espie <espie@openbsd.org>
6825 * collect2.c (main): Recognize .lo as object files.
6827 2000-07-11 J. David Anglin <dave@hiauly1.hia.nrc.ca>
6829 * pa.c (hppa_encode_label): Store labels in gc memory when ggc_p is
6832 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Extend test to detect systems
6833 with MAP_ANONYMOUS and MAP_ANON.
6834 * configure, config.in: Rebuilt.
6836 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
6838 * diagnostic.c (save_output_state): Remove.
6839 (restore_output_state): Likewise.
6840 (clear_text_info): New function.
6841 (clear_diagnostic_info): Likewise.
6842 (output_text_length, is_starting_newline, output_prefix,
6843 line_wrap_cutoff, ideal_line_wrap_cutoff, prefix_was_emitted_for,
6844 prefixing_policy, output_buffer_ptr_to_format_args): New macros
6845 (set_real_maximum_length, output_set_maximum_length,
6846 output_set_prefix, output_get_prefix, output_set_maximum_length,
6847 output_destroy_prefix, init_output_buffer,
6848 reshape_diagnostic_buffer, output_space_left, output_emit_prefix,
6849 output_add_newline, output_add_character, output_add_space,
6850 output_append_r, output_append, wrap_text, output_format,
6851 output_do_printf, output_printf, output_do_verbatim,
6852 output_verbatim, verbatim): Use them.
6853 (output_clear): Split into cleat_text_info and
6854 clear_diagnostic_info.
6855 (struct output_state): Move to...
6857 * diagnostic.h: ...Here
6858 (struct output_buffer): Adjust.
6860 2000-07-11 Zack Weinberg <zack@wolery.cumb.org>
6862 * cpplex.c (parse_name): No longer inline (premature optimization).
6863 (do_pop_context): Fold into pop_context.
6864 (pop_context): Returns int.
6865 (lex_next): Hoist test for end of directive into pop_context.
6866 (push_macro_context): Returns int; takes just reader and token.
6867 Hoist test for excessive nesting to caller.
6868 (push_arg_context): Returns void; takes just reader and token.
6869 Do not call stringify_arg or get_raw_token.
6870 (get_raw_token): Convert tail recursion through push_arg_context
6871 to a loop at this level. Call stringify_arg here if appropriate.
6872 (maybe_paste_with_next): Convert tail recursion to a while loop.
6873 Hoist test of paste_level to caller.
6875 (stringify_arg): Push arg context at beginning.
6876 (cpp_get_token): Split out core into _cpp_get_token. Call
6877 process_directive here. Throw away CPP_PLACEMARKER tokens.
6878 (_cpp_get_token): Convert tail recursion through
6879 push_macro_context to a loop at this level.
6880 (_cpp_glue_header_name, is_macro_disabled, stringify_arg,
6881 _cpp_get_raw_token): Use _cpp_get_token.
6882 (_cpp_skip_rest_of_line): Drop the context stack directly; do
6883 not call pop_context.
6884 (_cpp_run_directive): Call lex_next directly.
6886 * cpphash.h: Prototype _cpp_get_token.
6887 * cppexp.c (lex): Use it.
6888 * cpphash.c (parse_define): Use it.
6889 * cpplib.c (get_define_node, do_undef, parse_include,
6890 read_line_number, do_line, do_ident, do_pragma, do_pragma_gcc,
6891 do_pragma_implementation, do_pragma_poison, do_pragma_dependency,
6892 parse_ifdef, validate_else): Use it.
6893 (cpp_push_buffer): Tweak error message; abort if anyone tries
6894 to push a buffer while macro expansions are stacked.
6896 2000-07-11 Donn Terry <donnte@microsoft.com>
6898 * cpplex.c (free_macro_args, save_token): Cast arg of free
6899 and/or xrealloc to PTR.
6900 (_cpp_init_input_buffer): Clear all fields of the base context.
6902 Tue Jul 11 15:28:21 CDT 2000 Clinton Popetz <cpopetz@cygnus.com>
6904 * gensupport.c (process_rtx): Make rtl checking stop
6905 complaining about the define_insn while it is being
6906 converted from a define_insn_and_split.
6908 Tue Jul 11 16:26:17 2000 Clinton Popetz <cpopetz@cygnus.com>
6910 * config/mips/mips.c (simple_memory_operand): Access the
6911 INTVAL of the address, not it's containing MEM.
6913 2000-07-11 Bruce Korb <bkorb@gnu.org>
6915 * fixinc/fixtests.c(double_slash): obsolete
6916 (else_endif_label): likewise
6917 * fixinc/inclhack.def(irix_multiline_cmnt): obsolete
6918 (libc1_ifdefd_memx): correct initial comment
6919 and omit the #if/#endif pair from the memxxx declarations
6920 * fixinc/fixincl.x: regen
6922 2000-07-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6924 * cpplex.c (T, I, S, C, N): Avoid non-constant initializers.
6926 2000-07-11 Neil Booth <NeilB@earthling.net>
6930 2000-07-11 Neil Booth <NeilB@earthling.net>
6932 * cppinit.c: (cpp_reader_init): Allow digraphs by default.
6933 (handle_option): Set digraphs according to standard.
6934 Merge OPT_lang_c89 handler with OPT_std_c89.
6936 * cpplex.c: (lex_line, can_paste): Honour digraphs in
6937 accordance with the digraphs flag.
6939 * cpplib.h: (struct cpp_options): New option digraphs.
6941 2000-07-10 Hans-Peter Nilsson <hp@axis.com>
6942 Bruce Korb <bkorb@gnu.org>
6944 * fixinc/inclhack.def (libc1_ifdefd_memx): New fix.
6945 * fixinc/fixincl.x: Regenerate.
6946 * fixinc/tests/base/testing.h: Add testcase.
6948 2000-07-10 Richard Henderson <rth@cygnus.com>
6950 * config/ia64/ia64.c (got_symbolic_operand): New.
6951 (symbolic_operand, move_operand): Revert 0701 change.
6952 * config/ia64/ia64.h (PREDICATE_CODES): Update.
6953 * config/ia64/ia64-protos.h (got_symbolic_operand): Declare.
6954 * config/ia64/ia64.md (movdi): Revert 0701 wrt symbolic_operand;
6955 split the offset into a 14-bit low part instead of a 13-bit low part.
6956 (load_fptr): Mark the mem as unchanging.
6957 (load_symptr): Use got_symbolic_operand.
6959 2000-07-10 Nick Clifton <nickc@cygnus.com>
6961 * libgcc2.c (next_stack_level): Cast result of computation to
6962 (void **) so that the assignment does not generate a warning.
6964 2000-07-10 Chandrakala Chavva <cchavva@redhat.com>
6966 * flags.h : Add new variable flag_single_precision_constant.
6967 * toplev.c (display_help) : Add -fsingle-precision-constant option.
6968 (flag_single_precision_constant): New.
6969 * c-lex.c (yylex): Convert floating point constant to single
6971 * invoke.texi : Add documentation for this new option.
6973 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
6975 * diagnostic.c (output_octal): Second parameter is unsigned.
6976 (output_long_octal): Likewise.
6977 (output_hexadecimal): Likewise.
6978 (output_long_hexadecimal): Likewise.
6979 (output_format): Adjust arguments extraction. Tweak.
6980 (output_verbatim, verbatim): End variable argument list.
6981 (report_diagnostic): Improve documentation.
6983 2000-07-10 Benjamin Chelf <chelf@codesourcery.com>
6985 * c-common.h (build_stmt): Declare.
6986 (build_continue_stmt): Likewise.
6987 (build_break_stmt): Likewise.
6988 (build_return_stmt): Likewise.
6990 * c-decl.c (do_case): Rewrite to do what previously done in
6993 * c-semantics.c (build_stmt): Define.
6994 (build_return_stmt): Likewise.
6995 (build_break_stmt): Likewise.
6996 (build_continue_stmt): Likewise.
6997 (build_case_label): Likewise.
6999 * c-parse.in (BREAK): Change to build tree, then generate RTL.
7000 (CONTINUE): Likewise.
7003 (DEFAULT): Likewise.
7005 * c-parse.y: Regenerate.
7006 * c-pasre.c: Likewise.
7008 2000-07-09 Jason Merrill <jason@redhat.com>
7010 * expr.c (expand_expr): Bail earlier if we get an error_mark_node.
7012 * tree.h (STRIP_NOPS): Check for error_mark_node.
7013 (STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Likewise.
7014 (dwarf2out_*): Remove duplicate declarations.
7016 * c-decl.c (duplicate_decls): Copy DECL_ABSTRACT_ORIGIN from
7017 DECL_ABSTRACT_ORIGIN, not DECL_ORIGIN.
7019 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
7021 * diagnostic.c (wrap_text): New function.
7022 (maybe_wrap_text): Likewise.
7023 (output_add_string): Use it.
7024 (output_format): Likewise.
7025 (count_error): Use verbatim instead of notice.
7026 (report_error_function): Likewise. Don't use plain fprintf.
7027 (finish_diagnostic): New function.
7028 (output_do_verbatim): Tweak. Commonalize functionalities in
7029 output_verbatim and verbatim.
7030 (output_verbatim): Adjust.
7031 (verbatim): Likewise.
7032 (report_diagnostic): Define.
7034 * diagnostic.h (report_diagnostic): Prototype.
7036 2000-07-09 Zack Weinberg <zack@wolery.cumb.org>
7038 * cppexp.c (_cpp_parse_expr): Don't use unary plus.
7040 2000-07-09 Neil Booth <NeilB@earthling.net>
7042 * cpphash.h: ISvspace, is_vspace, is_nvspace: New.
7043 IShspace, ISspace: Update.
7045 * cppinit.c: ISTABLE: Update.
7048 * cpplex.c (IS_HSPACE, S_NEWLINE): Remove.
7049 (IS_DIRECTIVE): Rename KNOWN_DIRECTIVE.
7050 (skip_block_comment, skip_line_comment, parse_string,
7051 lex_line): Use is_vspace rather than IS_NEWLINE.
7052 (skip_whitespace, lex_line): Clean up to use is_nvspace.
7053 (lex_line): Use KNOWN_DIRECTIVE. Any kind of directive
7055 (lex_next): Unconditionally stop if within a directive.
7056 Treat directives within macro invocations as directives
7057 (after parse_args emits error), not as the argument.
7059 2000-07-09 Gabriel Dos Reis <gdr@codesourcery.com>
7061 * diagnostic.c (diagnostic_args): New macro.
7062 (diagnostic_msg): Likewise.
7063 (output_formatted_integer): Likewise.
7064 (output_state): New data type.
7065 (digit_buffer): Make global.
7066 (output_add_integer): Rename to output_decimal. Squeeze
7068 (output_long_decimal, output_unsigned_decimal,
7069 output_long_unsigned_decimal, output_octal, output_long_octal,
7070 output_hexadecimal, output_long_hexadecimal): New functions.
7071 (output_append_r): New function.
7072 (output_append): Tweak.
7073 (output_flush_on): Rename to output_to_stream.
7074 (output_format): Change prototype. Improve documentation. Handle
7075 more format specifiers.
7076 (build_location_prefix): Rename to context_as_prefix.
7077 (output_notice): Rename to output_do_printf.
7078 (output_printf): Tweak.
7079 (line_wrapper_printf): Likewise.
7080 (vline_wrapper_message_with_location): Adjust call to renamed
7082 (v_message_with_decl): Likewise.
7083 (default_print_error_function): Likewise.
7084 (save_output_state): New function.
7085 (restore_output_state): Likewise.
7086 (output_do_verbatim): Likewise.
7087 (output_verbatim): Define.
7088 (verbatim): Likewise.
7090 * diagnostic.h (printer_fn): Change return type from void to int.
7091 Improve documentation.
7092 (output_add_integer): Rename to output_decimal.
7093 (output_flush_on, output_format): Don't export.
7094 (output_verbatim, verbatim): Declare.
7096 2000-07-08 Toon Moene <toon@moene.indiv.nluug.nl>
7098 * fold-const.c (extract_muldiv) case PLUS_EXPR, MINUS_EXPR:
7099 Check whether c divides op1 exactly if operation is not
7102 2000-07-08 Richard Henderson <rth@cygnus.com>
7104 * final.c (final): Do not abort when reg-stack introduces
7107 2000-07-08 Zack Weinberg <zack@wolery.cumb.org>
7109 * cpplib.h (struct cpp_name): Now struct cpp_string.
7110 (CPP_INT, CPP_FLOAT, CPP_NUMBER, CPP_COMMENT,
7111 CPP_HEADER_NAME): Change to type S.
7112 (struct cpp_token): Rename 'name' field to 'str'. Add 'node'
7113 field, a cpp_hashnode *. All references to val.name updated
7114 to use val.str or val.node as appropriate.
7115 (struct cpp_reader): Add spec_nodes field.
7116 (cpp_idcmp): Now cpp_ideq; takes a token * and a char *.
7118 * cpphash.h (struct spec_nodes): New.
7119 (enum spell_type): Reorder. Only SPELL_STRING tokens use
7120 val.str. All references to 'spelling > SPELL_NONE' updated to
7123 (CPP_IN_SYSTEM_HEADER): Check pfile->buffer and
7124 pfile->buffer->inc are not NULL before dereferencing them.
7126 * cpplex.c (parse_name): Take a pointer to the current token,
7127 plus current position and limit as args; return the new
7128 position; don't copy the text of a name into the string
7129 buffer, instead call cpp_lookup and store the node pointer.
7130 If extending a token, copy out the text of the old into a
7131 scratch buffer, append the new, look that up and store the new
7132 node pointer. Inline.
7133 (maybe_paste_with_next): If the result of paste is a NAME,
7134 then look up the pasted text and store its node pointer.
7135 (lex_line): Adjust for new parse_name interface.
7136 Check for L"str", L'str' using spec_nodes->n_L.
7137 (spell_token): SPELL_IDENT tokens have their spelling in
7138 val.node->name. Handle SPELL_STRING tokens that don't have
7140 (_cpp_expand_name_space,
7141 (can_paste): Check for L ## "str" using spec_nodes->n_L.
7142 (cpp_get_token, special_symbol): No need to call cpp_lookup.
7143 (cpp_idcmp): Now cpp_ideq; take a token * and a const char *;
7144 return 1=equal 0=not, not a tristate.
7146 * cpphash.c (var_args_str): Delete.
7147 (find_param): Compare node fields directly.
7148 (is__va_args__): Use CPP_PEDANTIC. Just compare
7149 token->val.node with spec_nodes->n__VA_ARGS__.
7150 (dump_funlike_macro): Don't use var_args_str.
7152 * cpplib.c (_cpp_check_directive): Just walk through
7153 spec_nodes->dirs comparing pointers.
7154 (get_define_node, do_pragma_poison, detect_if_not_defined,
7155 parse_ifdef): The identifier has already been looked up.
7156 (do_ifdef, do_ifndef): parse_ifdef won't return a poisoned
7158 (do_if): Only call detect_if_not_defined at beginning of file.
7159 (_cpp_parse_assertion): Only copy string pointers for
7160 SPELL_STRING tokens.
7161 (pragma_dispatch): Take a node pointer and examine its name
7163 (_cpp_init_stacks): Also initialize the spec_nodes structure.
7165 * cppinit.c (cpp_reader_init): Call _cpp_init_stacks after
7167 (cpp_cleanup): Free pfile->spec_nodes. Call _cpp_cleanup_* in
7168 reverse order from the corresponding _cpp_init_* routines.
7170 * cppexp.c (parse_number, parse_charconst, parse_defined,
7171 lex): Check val.node->type instead of calling cpp_defined.
7172 Use spec_nodes entries where appropriate.
7174 * fix-header.c, scan-decls.c: Update for interface changes.
7176 2000-07-08 Geoffrey Keating <geoffk@cygnus.com>
7178 * config/rs6000/rs6000.c (rs6000_emit_move): Fix conditions for
7179 emitting aux_truncdfsf2.
7181 2000-07-03 Donn Terry (donnte@microsoft.com)
7183 * cppinit.c (print_help): split overlong line into ISO C89
7186 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
7188 * cppexp.c: Update all code for new lexer interface.
7189 (op_t, operator codes, struct token, tokentab2, op_to_str): Remove.
7190 (struct suffix, vsuf_1, vsuf_2, vsuf_3, op_to_prio): New.
7191 * cpplex.c (token_names): Trim leading CPP_ from names; make
7192 the strings unsigned.
7193 (_cpp_spell_operator): New.
7194 (is_macro_disabled): Disable all macros if rescanning
7196 (_cpp_get_directive_token): Remove.
7198 * cppinit.c: Don't set no_macro_expand.
7199 * cpplib.c (read_line_number, do_line): Check only for EOF,
7201 * cpphash.h: Update prototypes.
7202 * cpplib.h (CPP_VSPACE): Remove.
7203 (struct cpp_reader): Remove no_macro_expand.
7205 2000-07-08 Neil Booth <NeilB@earthling.net>
7207 * cpphash.c (is__va_args__): New function.
7208 (count_params): Fix line reported in error messages. Use
7209 is__va_args__. Don't return ')' on error. Flag GNU style
7210 rest args macro definitions.
7211 (parse_define): Check macro name is not __VA_ARGS__.
7212 (save_expansion): Check identifier in non-varargs-macro is
7213 not __VA_ARGS__. Don't flag GNU_VARARGS.
7214 * cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS.
7215 (maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather
7216 than per-token GNU_VARARGS.
7217 * cpplib.h (GNU_VARARGS): Remove.
7218 (GNU_REST_ARGS): New.
7220 Sat Jul 8 01:38:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
7222 * i386.md (call_pop, call, call_value_pop): Do not set
7223 current_function_uses_pic_offset_table for calls to static
7224 functions or indirect calls.
7226 2000-07-07 Jim Wilson <wilson@cygnus.com>
7228 * config/ia64/ia64.c (rws_access_reg): New local write_count. If
7229 is_predicate_reg, then take max write_count of register pair.
7231 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7233 * tradcpp.c (main): Rename label `include' to `add_include' to
7234 avoid conflicts with variable `include' in traditional C.
7236 2000-07-07 Jakub Jelinek <jakub@redhat.com>
7238 * integrate.c (copy_insn_list): Remove REG_LABEL notes.
7240 2000-07-07 Jakub Jelinek <jakub@redhat.com>
7242 * sibcall.c (uses_addressof): Add INMEM argument, check for
7243 current_function_internal_arg_pointer outside of MEM rtxs in addition
7245 (sequence_uses_addressof): Update caller.
7247 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
7249 * tradcpp.c (initialize_builtins): Honor NO_BUILTIN_SIZE_TYPE
7252 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7254 * system.h (UNION_INIT_ZERO): New macro for initializing union
7257 * cpplex.c (placemarker_token, eof_token): Use UNION_INIT_ZERO.
7259 2000-07-07 Neil Booth <NeilB@earthling.net>
7263 Fri Jul 7 07:47:35 2000 Jeffrey A Law (law@cygnus.com)
7265 * final.c (final): Detect out of bounds array access to
7266 the insn_lengths array.
7268 2000-07-07 Kazu Hirata <kazu@hxi.com>
7270 * fold-const.c (fold): Fix a comment typo.
7272 2000-07-07 Neil Booth <NeilB@earthling.net>
7274 * cpp.texi: Update to new lexer.
7276 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
7278 * tradcpp.c: New file.
7279 * tradcif.y: New file.
7280 * tradcif.c: New generated file.
7282 * Makefile.in: Add rules to build tradcpp.o, tradcif.o,
7283 $(srcdir)/tradcif.c. Add tradcpp to STAGESTUFF and
7284 dependencies of C. Install tradcpp from install-common, in
7287 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
7289 * cppinit.c: Include cppdefault.h. Refer to
7290 cpp_GCC_INCLUDE_DIR and cpp_GCC_INCLUDE_DIR_len, not directly
7291 to GCC_INCLUDE_DIR and its length.
7292 (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
7293 USER_LABEL_PREFIX, REGISTER_PREFIX, struct default_include,
7294 STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT): Move to
7296 (include_defaults_array): Move to cppdefault.c.
7298 * cppdefault.h: New file.
7299 * cppdefault.c: New file.
7301 * Makefile.in (LIBCPP_OBJS): Add cppdefault.o.
7302 (cppinit.o): Don't apply $(PREPROCESSOR_DEFINES) to this file.
7303 (cppdefault.o): New rule; apply $(PREPROCESSOR_DEFINES) to
7306 Thu Jul 6 18:30:36 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7308 * reload.c (push_reload): When seeing if can reuse a register,
7309 check extra registers against widest of INMODE and OUTMODE.
7311 2000-07-06 Neil Booth <NeilB@earthling.net>
7313 * cpplib.c: (_cpp_parse_assertion): Perform hash lookups
7314 based on full length of predicate.
7316 2000-07-06 Hans-Peter Nilsson <hp@axis.com>
7318 * timevar.c: [HAVE_SYS_RESOURCE_H]: Include <sys/resource.h>.
7319 [NEED_DECLARATION_GETRUSAGE]: Declare getrusage.
7321 2000-07-05 Kazu Hirata <kazu@hxi.com>
7323 * h8300-proto.h: Fix formatting.
7324 * h8300.c: Likewise.
7325 * h8300.h: Likewise.
7327 2000-07-05 Jim Wilson <wilson@cygnus.com>
7329 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): If FR_REGNO_P, disallow
7332 2000-07-05 Rodney Brown <RodneyBrown@pmsc.com>
7334 * invoke.texi: Fix minor typos
7335 * md.texi: Fix minor typos
7337 2000-07-05 Zack Weinberg <zack@wolery.cumb.org>
7339 * cpplib.c (_cpp_parse_assertion): Fix buffer overrun.
7341 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
7343 * cpplex.c: Don't include sys/mman.h.
7344 (cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.
7346 * cpplib.c: Include sys/mman.h and obstack.h.
7347 (cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
7349 (cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
7350 (_cpp_unwind_if_stack): Now static, unwind_if_stack. Don't
7351 bother freeing if stack entries (they will be freed with their buffer).
7352 (do_endif): Free if stack entries from the buffer obstack.
7353 (push_conditional): Allocate if stack entries from the buffer obstack.
7355 (find_answer): Rename to _cpp_find_answer.
7356 (do_assert, do_unassert): Update.
7358 * cpphash.h: Update prototypes.
7359 (xobnew): New convenience macro.
7360 * cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
7362 (struct cpp_hashnode): Remove disabled field.
7364 * cppinit.c: Don't include hashtab.h or splay-tree.h.
7365 (report_missing_guard): Moved to cppfiles.c.
7366 (cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
7368 (cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
7369 cpp_cleanup_includes. Don't destroy hashtab or
7370 all_include_files here.
7371 (cpp_finish): Use _cpp_report_missing_guards.
7373 * cppfiles.c (report_missing_guard): Moved from cppinit.c.
7374 (_cpp_init_include_table): Rename _cpp_init_includes.
7375 (_cpp_cleanup_includes, _cpp_report_missing_guards): New.
7377 * cppexp.c (parse_assertion): Update for new name of
7380 * Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.
7382 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
7384 * cpplib.c (do_ident): s/VSPACE/EOF/
7386 2000-07-05 Neil Booth <NeilB@earthling.net>
7388 * cpplex.c: Fix trigraph replacement within strings.
7390 2000-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7392 * rs6000/aix.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier.
7394 * xcoffout.c (assign_type_number): Constify.
7395 (xcoffout_source_file): Add static prototype. Don't needlessly
7396 cast away const-ness.
7398 2000-07-04 Jason Merrill <jason@redhat.com>
7400 * frame.h (frame_state): Move base_offset to end.
7402 Mon Jul 3 21:31:43 2000 Clinton Popetz <cpopetz@cygnus.com>
7404 * calls.c (emit_library_call_value_1): Revert previous change.
7406 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
7408 * fix-header.c (struct partial_proto): Remove unnecessary fields.
7409 (recognized_extern, recognized_function, read_scan_file):
7410 Update for new scheme.
7411 (check_protection): It's still a multiple include guard even
7412 if it doesn't always trigger.
7413 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
7415 * scan.h: Declare struct cpp_token. Update prototypes.
7417 2000-07-03 Neil Booth <neilb@earthling.net>
7418 Zack Weinberg <zack@wolery.cumb.org>
7420 Complete overhaul of the lexer and macro expander.
7422 * cpphash.c (object_defn, funct_defn, push_macro_expansion,
7423 arg, arglist, argdata, reflist, collect_objlike_expansion,
7424 collect_funlike_expansion, collect_params,
7425 warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat,
7426 unsafe_chars, macarg, compare_defs, special_symbol,
7427 scan_arguments, stringify, funlike_macroexpand,
7428 _cpp_quote_string, monthnames): Delete.
7429 (cpp_lookup, _cpp_free_definition, dump_funlike_macro,
7430 _cpp_create_definition, _cpp_dump_definition,
7431 dump_hash_helper): Adjust.
7432 (find_param, count_params, parse_define, var_args_str,
7433 check_macro_redefinition, save_expansion): New.
7435 * cpplex.c (skip_block_comment, skip_line_comment, parse_name,
7436 parse_string, output_line_command, trigraph_replace,
7437 lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens,
7438 cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist,
7439 cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer,
7440 _cpp_skip_rest_of_line): Modify.
7442 (maybe_macroexpand, skip_comment, copy_comment, skip_string,
7443 find_position, null_warning, bump_column, expand_name_space,
7444 pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist,
7445 _cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace,
7446 _cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token,
7447 _cpp_prescan): Delete.
7449 (dump_param_spelling, process_directive, lex_next,
7450 is_macro_disabled, stringify_arg, expand_context_stack,
7451 output_token, make_string_token, alloc_number_token,
7452 special_symbol, duplicate_token, maybe_paste_with_next,
7453 can_paste, prevent_macro_expansion, restore_macro_expansion,
7454 get_temp_token, release_temp_tokens, quote_string,
7455 token_names, token_spellings, _cpp_expand_name_space,
7456 _cpp_glue_header_name, _cpp_reserve_name_space,
7457 digraph_spellings, trigraph_ok, skip_whitespace, save_comment,
7458 placemarker_token, eof_token, cpp_context, macro_args,
7459 get_raw_token, parse_arg, parse_args, save_token,
7460 push_arg_context, push_macro_context, pop_context,
7461 do_pop_context, free_macro_args, _cpp_get_line,
7462 _cpp_run_directive): New.
7464 * cpplib.c (validate_else, parse_include, push_conditional,
7465 pass_thru_directive, read_line_number, parse_ifdef,
7466 detect_if_not_defined, _cpp_check_directive, do_define,
7467 do_undef, do_include, do_import, do_include_next, do_error,
7468 do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas,
7469 top_pragmas, do_pragma_gcc, do_pragma_implementation,
7470 do_pragma_poison, do_pragma_system_header,
7471 do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else,
7472 dl_elif, do_endif, _cpp_unwind_if_stack, do_assert,
7473 do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert,
7474 cpp_defined): Update for new scheme.
7475 (strtoul_for_line, get_define_node, dump_macro_name,
7476 _cpp_check_linemarker, _cpp_parse_assertion): New.
7477 (_cpp_handle_directive, do_pragma_default): Delete.
7479 * cpphash.h (struct predicate): Now struct answer.
7480 (enum spell_type, struct token_spelling, struct directive,
7481 directive_handler): New.
7482 Update prototypes. Remove unused macros.
7483 * cpplib.h: Update prototypes. Remove unused macros,
7484 structure definitions, and fields.
7486 * cpperror.c (print_containing_files, v_message): Adjust.
7487 * cppexp.c (parse_assertion, lex, parse_escape,
7488 _cpp_parse_expr): Adjust.
7489 * cppfiles.c (open_include_file, _cpp_execute_include,
7490 _cpp_compare_file_date, cpp_read_file, read_include_file):
7492 * cppinit.c (dump_special_to_buffer): Delete.
7493 (append_include_chain, merge_include_chains, cpp_reader_init,
7494 cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read,
7495 cpp_finish, handle_option, print_help): Adjust.
7496 * cppmain.c (main): Adjust.
7498 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
7500 * cppspec.c (lang_specific_driver): Use double quotes in error
7503 Mon Jul 3 16:53:43 2000 Clinton Popetz <cpopetz@cygnus.com>
7505 * calls.c (emit_library_call_value_1): Use valreg instead
7506 of hard_libcall_value.
7508 2000-07-03 Geoff Keating <geoffk@cygnus.com>
7510 * config/rs6000/rs6000.c (rs6000_emit_move): New function.
7511 * config/rs6000/rs6000-proto.h: Prototype rs6000_emit_move.
7512 * config/rs6000/rs6000.md (movsi): Use rs6000_emit_move.
7520 * expmed.c (expand_mult_highpart): Use op1 instead of wide_op1 when
7521 mode instead of wider_mode is being used.
7523 2000-07-03 Jakub Jelinek <jakub@redhat.com>
7525 * config/i386/i386.md (movstrictqi_xor): Use 'q' constraint instead
7526 of 'r'. Use q_regs_operand.
7527 (andsi_1+2): Use q_regs_operand.
7529 2000-07-03 Jakub Jelinek <jakub@redhat.com>
7531 * builtins.c (get_memory_rtx): Always put into alias set 0.
7533 2000-07-03 Nick Clifton <nickc@cygnus.com>
7535 * config/arm/arm.md: Fix post increment and pre increment
7536 peepholes so that they do not generate UNPREDICATBLE opcodes.
7537 (ie ones where the increment clobbers the source/destination).
7539 2000-07-01 Marek Michalkiewicz <marekm@linux.org.pl>
7541 * config/avr/avr.c (out_adj_frame_ptr): Make "frame pointer
7542 change too big for -mtiny-stack" a warning, if larger than 63.
7543 (out_set_stack_ptr): Change the logic so -mno-interrupts is
7544 always safe to use on possible future devices.
7545 (function_prologue): Write SPH before SPL, for consistency.
7546 If interrupt_func_p true, we know we have enabled interrupts.
7547 (avr_num_arg_regs): New function. Round up to even number of
7548 bytes if no -mpack-args or if calling a libgcc function.
7549 (function_arg, function_arg_advance): Use it.
7550 (output_movsisf, ashlsi3_out, ashrsi3_out, lshrsi3_out):
7551 Output "movw" if available.
7552 (out_tsthi, out_tstsi, ashlqi3_out, lshrqi3_out): Change uses
7553 of TEST_HARD_REG_CLASS macro to test_hard_reg_class function.
7554 (asm_output_section_name): Add blanks for consistent output.
7555 (encode_section_info): Set TREE_READONLY for progmem data to
7556 avoid gas warnings about changed section attributes.
7557 (avr_hard_regno_mode_ok): Force non-QImode data to start in
7558 even numbered registers on devices with "movw".
7559 * config/avr/avr.h (MASK_*): Define bits for target_flags.
7560 (TARGET_SWITCHES): Mark help strings for translation.
7561 Add new -mpack-args and -menhanced switches.
7562 (TARGET_OPTIONS): Mark help strings for translation.
7563 (progmem_section): Add section attributes.
7564 * config/avr/avr.md (*movhi, call_insn, call_value_insn):
7565 Output "movw" if available.
7566 (mulqi3, mulqihi3, umulqihi3, mulhi3, *tablejump_enh):
7568 * config/avr/libgcc.S (_mulqi3, _divqi3): Update to the new
7569 call convention (arguments aligned on even registers).
7570 (_cleanup, _exit): Make weak symbols libc can override.
7572 2000-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7574 * fp-bit.h: New file.
7576 * fp-bit.c: Move common code, prototypes, etc into fp-bit.h.
7577 Comment #endif statements.
7578 (__thenan_sf, __thenan_df): Add missing braces around initializer.
7580 Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
7582 * gcse.c (compute_pre_data): Compute ae_kill using other local
7583 properties instead of calling compute_ae_kill.
7585 * alias.c (init_alias_analysis): Do not call
7586 prologue_epilogue_contains until after reload has completed.
7588 2000-07-02 Benjamin Chelf <chelf@codesourcery.com>
7590 * c-common.h (genrtl_begin_compound_stmt): Remove declaration.
7591 (genrtl_finish_compound_stmt): Likewise.
7592 (genrtl_compound_stmt): Change to return void.
7594 * c-semantics.c (genrtl_begin_compound_stmt): Remove function and
7595 move code from here to ...
7596 (genrtl_compound_stmt): ... here.
7597 (genrtl_finish_compound_stmt): Remove.
7598 (expand_stmt): Add comment.
7600 2000-07-02 Zack Weinberg <zack@wolery.cumb.org>
7602 * c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P
7605 2000-07-02 Jakub Jelinek <jakub@redhat.com>
7607 * cpplib.h (struct cpp_reader): New field include_depth.
7608 (struct cpp_printer): Rename last_bsd to last_id.
7609 * cppfiles.c (read_include_file): Bump include_depth.
7610 * cpplex.c (cpp_pop_buffer): Decrement include_depth.
7611 (output_line_command): Output correct #line if a header
7612 is including itself and is not protected against multiple inclusion.
7613 Use include_depth instead of buffer_stack_depth, last_id instead of
7615 * cppinit.c (cpp_start_read): Initialize last_id instead of
7618 2000-07-01 Benjamin Chelf <chelf@codesourcery.com>
7620 * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
7621 (c-semantics.o): New target.
7623 * c-common.h (TREE_LANG_FLAG_?): Added documentation.
7624 (genrtl_do_pushlevel): Moved from cp/cp-tree.h.
7625 (genrtl_clear_out_block): Likewise.
7626 (genrtl_goto_stmt): Likewise.
7627 (genrtl_expr_stmt): Likewise.
7628 (genrtl_decl_stmt): Likewise.
7629 (genrtl_if_stmt): Likewise.
7630 (genrtl_while_stmt): Likewise.
7631 (genrtl_do_stmt): Likewise.
7632 (genrtl_return_stmt): Likewise.
7633 (genrtl_for_stmt): Likewise.
7634 (genrtl_break_stmt): Likewise.
7635 (genrtl_continue_stmt): Likewise.
7636 (genrtl_scope_stmt): Likewise.
7637 (genrtl_switch_stmt): Likewise.
7638 (genrtl_case_label): Likewise.
7639 (genrtl_begin_compound_stmt): Likewise.
7640 (gerntl_finish_compound_stmt): Likewise.
7641 (genrtl_compound_stmt): Likewise.
7642 (genrtl_asm_stmt): Likewise.
7643 (genrtl_decl_cleanup): Likewise.
7644 (DECL_ANON_UNION_ELEMS): Likewise.
7645 (emit_local_var): Likewise.
7646 (make_rtl_for_local_static): Likewise.
7647 (expand_cond): Likewise.
7648 (expand_stmt): Likewise.
7649 (c_expand_return): Likewise.
7650 (c_expand_start_case): Likewise.
7651 (do_case): Likewise.
7652 (COMPOUND_STMT_NO_SCOPE): Likewise.
7653 (c_expand_asm_operands): Likewise.
7654 (NEW_FOR_SCOPE_P): New macro.
7655 (expand_expr_stmt_fn): New type.
7657 (set_current_function_name_declared): Likewise.
7658 (current_function_name_declared): Likewise.
7659 (lang_expand_stmt): Likewise.
7660 (stmts_are_full_exprs_p): Likewise.
7661 (anon_aggr_type_p): Likewise.
7662 (lang_expand_expr_stmt): Likewise.
7663 (build_case_label): Likewise.
7665 * c-decl.c (lang_expand_expr_stmt): Initialize.
7666 (stmts_are_full_exprs_p): Define.
7667 (current_function_name_declared): Likewise.
7668 (do_case): Likewise.
7669 (lang_expand_stmt): Likewise.
7670 (set_current_function_name_declared): Likewise.
7671 (anon_aggr_type_p): Likewise.
7673 * c-semantics.c: New file.
7674 (expand_cond): Moved from cp/semantics.c.
7675 (genrtl_do_pushlevel): Likewise.
7676 (genrtl_clear_out_block): Likewise.
7677 (genrtl_goto_stmt): Likewise.
7678 (genrtl_expr_stmt): Likewise.
7679 (genrtl_decl_stmt): Likewise.
7680 (genrtl_if_stmt): Likewise.
7681 (genrtl_while_stmt): Likewise.
7682 (genrtl_do_stmt): Likewise.
7683 (genrtl_return_stmt): Likewise.
7684 (genrtl_for_stmt): Likewise.
7685 (genrtl_break_stmt): Likewise.
7686 (genrtl_continue_stmt): Likewise.
7687 (genrtl_scope_stmt): Likewise.
7688 (genrtl_switch_stmt): Likewise.
7689 (genrtl_case_label): Likewise.
7690 (genrtl_begin_compound_stmt): Likewise.
7691 (genrtl_finish_compound_stmt): Likewise.
7692 (genrtl_compound_stmt): Likewise.
7693 (genrtl_asm_stmt): Likewise.
7694 (genrtl_decl_cleanup): Likewise.
7695 (make_rtl_for_local_static): Moved from cp/decl.c.
7696 (emit_local_var): Likewise.
7697 (expand_stmt): Define.
7699 * c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
7700 (c_expand_return): Likewise.
7701 (c_expand_start_case): Likewise.
7703 2000-07-01 Richard Henderson <rth@cygnus.com>
7705 * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
7706 with the low 13 bits set.
7707 (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
7708 * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one
7709 of the low 13 bits into a CONST plus an adddi3.
7710 (load_symptr): Set RTX_UNCHANGING_P.
7712 See ChangeLog.3 for earlier changes.
OSDN Git Service
