1 2000-11-02 Joseph S. Myers <jsm28@cam.ac.uk>
3 * c-common.c (get_flag_spec, check_format_info_main,
4 check_format_types): Use strchr () instead of index (). Compare
5 against error_mark_node instead of comparing the TREE_CODE against
8 2000-11-02 Zack Weinberg <zackw@Stanford.EDU>
12 * c-lex.c (init_c_lex): Update cpp_start_read call.
13 (cb_ident): Update for new callback prototype.
14 (cb_def_pragma): Update for new cpp_get_token prototype.
15 (c_lex): Similarly. Use cpp_get_line.
17 * c-parse.in (finish_parse): Update for new cpp_finish
20 * cp/lex.c (finish_parse): Similarly.
22 2000-11-01 Geoff Keating <geoffk@cygnus.com>
24 * machmode.def: Add V16QImode.
26 2000-11-01 Richard Henderson <rth@redhat.com>
28 * dwarf2out.c (loc_descriptor_from_tree): Check for null result
29 from rtl_for_decl_location.
30 (add_location_or_const_value_attribute): Likewise.
32 2000-11-01 Neil Booth <neilb@earthling.net>
34 * cpplib.c (run_directive): Use correct line number for output
35 of _Pragma. Remember any in-progress directive.
37 * gcc.dg/cpp/vararg2.c, gcc.dg/cpp/_Pragm1.c: New tests.
39 2000-11-01 Richard Henderson <rth@redhat.com>
41 * stmt.c (expand_start_null_loop): Set continue_label.
43 2000-11-01 Bernd Schmidt <bernds@redhat.co.uk>
45 * builtins.c (fold_builtin_constant_p, fold_builtin): New functions.
46 (expand_builtin_constant_p): Move parts of the code into
47 fold_builtin_constant_p.
48 (expand_builtin_strlen): Move parts of the code into fold_builtin.
49 * expr.h (fold_builtin): Declare.
50 * fold-const.c (fold): Handle builtin calls.
52 * c-typeck.c (build_function_call): Call fold on the CALL_EXPR.
54 2000-11-01 Richard Henderson <rth@redhat.com>
56 * stmt.c (expand_start_null_loop): New.
57 (expand_end_null_loop): New.
58 * c-semantics.c (genrtl_do_stmt): Use them.
59 * tree.h: Declare them.
61 2000-11-01 Richard Henderson <rth@redhat.com>
63 * cppmain.c (scan_buffer): Don't avoid paste for assembly.
65 2000-11-01 Neil Booth <neilb@earthling.net>
67 * c-parse.in (_yylex): Remove CPP_BACKSLASH case.
68 * cp/spew.c: Similarly.
69 * cpplex.c (_cpp_lex_token): Backslashes are now CPP_OTHER.
70 * cppmacro.c (stringify_arg): Similarly.
71 * cpplib.h (CPP_BACKSLASH): Delete.
73 2000-10-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
75 * builtins.c (expand_builtin_strstr): New function.
76 (expand_builtin): Handle BUILT_IN_STRSTR and BUILT_IN_STRCHR.
78 * builtins.def (BUILT_IN_STRSTR, BUILT_IN_STRCHR): New entries.
80 * c-common.c (c_common_nodes_and_builtins): Declare builtin strstr
83 2000-10-31 Richard Henderson <rth@redhat.com>
85 * config/i386/i386.c (fcmov_comparison_operator): Check for
86 CCFPmode or CCFPUmode instead of CCmode.
87 (ix86_expand_fp_movcc): Call ix86_expand_setcc for most
88 unordered operations as well.
90 2000-10-31 Richard Henderson <rth@redhat.com>
92 * c-semantics.c (genrtl_do_stmt): Use integer_zerop instead
95 2000-10-31 Richard Henderson <rth@redhat.com>
97 * c-semantics.c (genrtl_do_stmt): Special case do/while(0).
99 2000-10-31 Nick Clifton <nickc@redhat.com>
101 * config/arm/unknown-elf.h (UNIQUE_SECTION_P): Do not allow
102 -fdata-sections to override the section attribute of a DECL.
104 2000-10-31 Chris Demetriou <cgd@sibyte.com>
106 * libgcc2.c (__shtab): Remove __shtab variable.
107 * libgcc-std.ver (GCC_3.0): Remove __shtab from symbol list.
108 * Makefile.in (LIB2FUNCS): Remove _shtab from list of library
111 2000-10-31 Jim Wilson <wilson@redhat.com>
113 * defaults.h (ASM_OUTPUT_DEBUG_LABEL): New.
114 * tm.texi (ASM_OUTPUT_DEBUG_LABEL): Document.
115 * dwarf2out.c (dwarf2out_begin_block): Use ASM_OUTPUT_DEBUG_LABEL
116 instead of ASM_OUTPUT_INTERNAL_LABEL.
117 (dwarf2out_end_block, dwarf2out_label): Likewise.
118 * final.c (final_scan_insn, case NOTE_INSN_DELETED_LABEL): Likewise
119 * config/ia64/ia64.h (ASM_OUTPUT_DEBUG_LABEL): Define.
121 2000-10-31 Richard Henderson <rth@redhat.com>
123 * dwarf2out.c (struct dw_loc_descr_struct): Add dw_loc_addr.
124 (size_of_locs): Set it.
125 (output_loc_operands): Use it to compute branch displacement.
126 (int_loc_descriptor): New.
127 (mem_loc_descriptor): Dereference memory in the proper size.
128 Use DW_OP_plus_uconst when possible. Use int_loc_descriptor.
129 (loc_descriptor_from_tree): New.
130 (rtl_for_decl_location): Break out from ...
131 (add_location_or_const_value_attribute): ... here.
132 (add_bound_info): Use loc_descriptor_from_tree.
134 2000-10-31 Neil Booth <neilb@earthling.net>
136 * cpp.texi: Update for new command line assertion syntax.
137 * cpplib.c (cpp_define): Simplify a bit.
138 (cpp_assert, cpp_unassert): Use handle_assertion.
139 (handle_assertion): New function; accept new command line
141 * testsuite/gcc.dg/cpp/assert3.c: New tests.
143 2000-10-31 Neil Booth <neilb@earthling.net>
145 * cppmacro.c (STDC_0_IN_SYSTEM_HEADERS): Define to 0 if
146 undefined. Remove #ifdef check.
147 * config/i386/sol2.h, config/rs6000/sol2.h, config/sparc/sol2.h:
148 Define STDC_0_IN_SYSTEM_HEADERS to 1.
150 2000-10-31 Jan Hubicka <jh@suse.cz>
151 Jakub Jelinek <jakub@redhat.com>
153 * config/i386/i386.h: Clarify CCNOmode description in comment.
154 (EXTRA_CC_MODES): Remove CCRCmode.
155 * config/i386/i386.c (ix86_comparison_operator): Remove CCRCmode.
156 (put_condition_code, ix86_match_ccmode): Likewise.
157 (ix86_cc_mode): Likewise. Fix comment.
158 (ix86_expand_strlensi_unroll_1): *rc patterns are gone.
159 * config/i386/i386.md: Add unspec 12 description.
160 (adddi3 split): Use unspec 12 instead of CCRCmode.
161 (addsi3_carry_rc): Remove.
162 (addsi3_cc, addqi3_cc): New patterns.
163 (addsi_3): Swap operands, match CCZmode.
164 (addsi_4): Rewritten.
165 (addsi_5): Renamed from addsi_6.
167 (addhi_3): Swap operands, match CCZmode.
168 (addhi_4): Rewritten.
169 (addhi_5): Renamed from addhi_6.
171 (addqi_3): Swap operands, match CCZmode.
172 (addqi_4): Rewritten.
173 (addqi_5): Renamed from addqi_6. Use =q constraint for clobber.
174 (subsi3_carry_rc): Removed.
175 (iorqi_3): Use =q constraint for clobber.
176 (xorqi_cc_2): Likewise.
177 (negdi2_1 split): Don't use CCRCmode, use ltu instead of gtu.
178 (x86_movsicc_0_m1_rc): Removed.
179 (cmp?i peepholes): Remove neg. Use CCGCmode instead of CCRCmode.
181 2000-10-31 Joseph S. Myers <jsm28@cam.ac.uk>
183 * c-typeck.c (build_unary_op): If pedantic, pedwarn for increment
184 and decrement of complex types.
186 2000-10-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
188 * builtins.c (expand_builtin_fputs): When deleting NOP calls to
189 builtin fputs, ensure we still evaluate the stream in case it
192 2000-10-31 Jakub Jelinek <jakub@redhat.com>
194 * expr.c (do_store_flag): Pass operand_mode instead of GET_MODE (op0)
197 Tue Oct 31 15:33:27 2000 J"orn Rennecke <amylaar@redhat.com>
199 * sh-protos.h (reg_no_subreg_operand, emit_fpscr_use): Don't declare.
200 (fp_extended_operand, emit_fpscr_use): Likewise.
201 * sh.c (reg_no_subreg_operand, fp_extended_operand): Delete functions.
202 (fpul_operand): New function.
203 * sh.h (PREDICATE_CODES): Remove reg_no_subreg_operand and
204 fp_extended_operand. Add fpul_operand.
205 * sh.md (mulsf3, mulsf3_i4): Use fp_arith_reg_operand for "f" operands.
206 (mulsf3_ie, macsf3, cmpgtsf_t, cmpeqsf_t, ieee_ccmpeqsf_t): Likewise.
207 (cmpgtsf_t_i4, cmpeqsf_t_i4, ieee_ccmpeqsf_t_4, negsf2): Likewise.
208 (negsf2_i, sqrtsf2, sqrtsf2_i, abssf2, abssf2_i, adddf3): Likewise.
209 (adddf3_i, subdf3, subdf3_i, muldf3, muldf3_i, divdf3): Likewise.
210 (divdf3_i): Likewise.
211 (floatsisf2): Likewise. Use fpul_operand for 'y' operand.
212 (floatsisf2_i4, floatsisf2_ie, fix_truncsfsi2): Likewise.
213 (fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i): Likewise.
214 (fix_truncdfsi2, fix_truncdfsi2_i, extendsfdf2): Likewise.
215 (extendsfdf2_i4, truncdfsf2, truncdfsf2_i4): Likewise.
217 2000-10-31 Bernd Schmidt <bernds@redhat.co.uk>
219 * config/i386/i386.c (ix86_init_builtins): Correct return type
220 building v4hi_ftype_v4hi_int_int tree node.
221 (ix86_expand_builtin): Use correct operand numbers 0 and 1.
222 Copy operand 0 into a Pmode register, don't generate a MEM rtx.
224 * config/i386/i386.md (sse_movntdi): Use mmx register constraint
226 (mmx__uavgv8qi3): Correct insn mnemonic.
227 (mmx_psadbw): Correct insn mnemonic. Use V8QI mode for operands 1 and 2.
228 (mmx_punpckhwd): Correct insn mnemonic.
229 (mmx_punpckhdq): Likewise.
230 (mmx_punpcklwd): Likewise.
231 (mmx_punpckldq): Likewise.
232 (prefetch): Use immediare_operand and 'n' constraint for operand 1.
233 Renumber case labels to match the _mm_prefetch constants defined in
236 * recog.c (split_all_insns): Don't try to call cleanup_subreg_operands
237 if the splitter didn't emit new insns.
238 Make sure we call cleanup_subreg_operands even when splitting the last
239 insn in a basic block.
241 * invoke.texi (Debugging Options): Describe -do.
242 * toplev.c (enum_dump_file_index): New entry DFI_postreload.
243 (dump_file): Likewise.
244 (rest_of_compilation): Split .greg dump into .greg and .postreload.
246 2000-10-30 Neil Booth <neilb@earthling.net>
248 * cppfiles.c (stack_include_file): Check for stacked contexts
250 * cpphash.h (_cpp_do__Pragma): New prototype.
251 * cppinit.c (cpp_reader_init): Add _Pragma keyword to hash table.
253 * cpplex.c (skip_escaped_newlines): Only process trigraphs and
254 escaped newlines if !(buffer->from_stage3).
255 (_cpp_lex_token): Warn about missing newlines iff
256 !buffer->from_stage3.
258 * cpplib.c (get__Pragma_string, destringize,
259 _cpp_do__Pragma): New functions.
260 (run_directive): Set output_line for _Pragma to avoid line
261 markers in output. Set from_stage3 and prevent macro expansion
262 for _Pragma and command-line options. Check buffer exhaustion.
263 (cpp_push_buffer): Don't check for stacked macro contexts, as
264 this is perfectly legitimate for _Pragma. Move the check to
265 stack_include_file instead. Set from_stage3 iff buffer is
268 * cpplib.h (struct cpp_buffer): Make warned_cplusplus_comments
269 unsigned. New boolean from_stage3.
270 (struct spec_nodes): Add n__Pragma.
272 * cppmacro.c (enter_macro_context): Flip sense of return value.
273 (_cpp_get_token): Handle _Pragma operator.
275 2000-10-30 Phil Edwards <pme@sources.redhat.com>
277 * gcc.texi: The C++ standard isn't "draft" anymore.
279 2000-10-30 Mark Mitchell <mark@codesourcery.com>
281 * cppmacro.c (builtin_macro): Use NT_VOID, not T_VOID.
283 2000-10-29 Neil Booth <neilb@earthling.net>
285 * cpplib.c (skip_rest_of_line): Use _cpp_get_token.
287 2000-10-29 Joseph S. Myers <jsm28@cam.ac.uk>
289 * toplev.c, flags.h, fold-const.c, real.c, rtl.c,
290 fixinc/inclhack.def: Change comments mentioning C9X to refer to
293 * invoke.texi: Document that -V will only work for very similar
294 versions of driver and compiler.
296 2000-10-29 Neil Booth <neilb@earthling.net>
298 * cppmacro.c (_cpp_create_definition): Optimize the case of
299 a macro defined to itself.
301 2000-10-29 Neil Booth <neilb@earthling.net>
303 * cpplex.c (save_comment): Don't store new lines in C++ comments.
305 2000-10-29 Michael Hayes <mhayes@redhat.com>
307 * integrate.c (copy_insn_list): Copy the unchanging flag for calls.
309 2000-10-28 Geoffrey Keating <geoffk@cygnus.com>
311 * cpphash.c (cpp_forall_identifiers): Add context variable
312 for callback routine.
313 * cppmain.c (dump_macro): Update to match cpp_forall_identifiers
315 (main): Call cpp_forall_identifiers with null context.
316 * cpplib.h (cpp_forall_identifiers): Update prototype.
318 * cppmain.c: Make `parse_in' and `print' static.
320 2000-10-28 Alan Modra <alan@linuxcare.com.au>
322 * c-decl.c (finish_function): Clear c_function_name_declared_p.
324 2000-10-28 Richard Henderson <rth@redhat.com>
326 * regrename.c (scan_rtx_address): Frob action, not class,
327 when trying to disable optimization.
329 2000-10-28 Mark Mitchell <mark@codesourcery.com>
331 * c-semantics.c (make_rtl_for_local_static): Don't clobber
334 2000-10-28 Joseph S. Myers <jsm28@cam.ac.uk>
336 * configure.in: Determine and substitute gcc_version_full.
337 * configure: Regenerate.
338 * gccbug.in: Use it to give full version. Don't allow
341 2000-10-28 Richard Henderson <rth@redhat.com>
343 * recog.c (split_all_insns): Run cleanup_subreg_operands
346 * regrename.c (regrename_optimize): Verify that all registers of
347 a multiple register mode are available.
348 (scan_rtx_address): Accept the mode of the address; all callers
351 * cpplib.c (run_directive): Fix prototype.
353 2000-10-28 Bernd Schmidt <bernds@redhat.co.uk>
355 * reload.c (find_reloads): Distinguish "wins" so that we know whether
356 a given operand won because of a matching constraint or not; then use
357 that information to compute goal_alternative_matched properly.
358 * reload1.c (choose_reload_regs): Never set reload_override_in for an
361 * config/ia64/ia64.h (RTX_COSTS): A few more entries, and a more
362 accurate value for MULT.
363 * config/ia64/ia64.c (ia64_print_operand): Require probability to be
364 2% or > 98% before using static branch prediction bits.
366 2000-10-28 Neil Booth <neilb@earthling.net>
370 * cpplib.c (struct answer): New.
371 (struct if_stack): Use cpp_lexer_pos rather than line and col.
372 Rename cmacro mi_cmacro.
373 (struct directive, KANDR, STDC89, EXTENSION, COND, IF_COND, INCL,
374 IN_I): New directive and flags.
375 (skip_rest_of_line, check_eol, run_directive, glue_header_name,
376 parse_answer, parse_assertion, find_answer): New functions.
377 (parse_ifdef, detect_if_not_defined, validate_else): Remove.
378 (lex_macro_node): New function to replace parse_ifdef and
381 (_cpp_handle_directive): New function, combines _cpp_check_directive
382 and _cpp_check_linemarker.
384 (do_define, do_undef, parse_include, do_include, do_import,
385 do_include_next, read_line_number, do_line, do_ident, do_pragma,
386 do_pragma_once, do_pragma_poison, do_pragma_dependency):
387 Update for new token getting interface.
389 (do_ifdef, do_ifndef, do_if, do_else, do_endif, push_conditional)
390 : Update for new multiple-include optimisation technique.
391 (do_elif): Don't forget to invalidate controlling macros.
393 (unwind_if_stack, cpp_defined, cpp_push_buffer, cpp_pop_buffer): Update.
394 (parse_assertion, parse_answer, find_answer, _cpp_test_assertion):
395 Functions to handle assertions with the new token interface.
396 (do_assert, do_unassert): Use them.
398 (cpp_define, _cpp_define_builtin, cpp_undef, cpp_assert, cpp_unassert):
401 (_cpp_init_stacks): Register directive names. Don't register special
404 * cpperror.c (print_containing_files, _cpp_begin_message): Update to
405 new position recording regime.
406 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
407 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line,
408 cpp_pedwarn_with_file_and_line): Update for _cpp_begin_message changes.
409 (cpp_type2name): Move to cpplex.c.
411 * cppexp.c (parse_charconst): spec_nodes is no longer a pointer.
412 (parse_defined): Update to handle new multiple include optimisation
413 method. Remove poisoned identifier warning.
414 (parse_assertion, TYPE_NAME): Delete.
415 (lex): Update for multiple include optimisation, removal of
416 CPP_DEFINED, to use _cpp_test_assertion for assertions and
418 (_cpp_parse_expr): Update for MI optimisation, and to use op_as_text.
419 (op_as_text): New function, to wrap cpp_token_as_text.
421 * cppfiles.c (stack_include_file, _cpp_pop_file_buffer):
422 Update for MI optimisation.
423 (_cpp_execute_include): Take a token rather than 3 arguments. Fix
424 segfault on diagnostic.
425 (_cpp_compare_file_date): Take a token rather than 3 args.
426 (cpp_read_file): Work correctly for zero-length files.
428 * cpphash.c (_cpp_init_macros, _cpp_cleanup_macros): Rename
429 _cpp_init_hashtable and _cpp_cleanup_hashtable.
430 (cpp_lookup): Place identifiers at front of identifier pool
431 for _cpp_lookup_with_hash.
432 (_cpp_lookup_with_hash): Require identifiers to be at the front of
433 the identifier pool. Commit the memory if not already in the
436 * cppinit.c (cpp_reader_init): Move cpp_init_completed test to top.
437 Initialise various members of cpp_reader, memory pools, and the
439 (cpp_printer_init): Delete.
440 (cpp_cleanup): Update.
441 (struct builtin, builtin_array, initialize_builtins): Update for new
442 hashnode definition and builtin handling.
443 (cpp_start_read, cpp_finish): Don't take or initialise a
446 * cpplib.h (cpp_printer, cpp_toklist, CPP_DEFINED, BOL,
447 PASTED, VAR_ARGS, BEG_OF_FILE, IN_DIRECTIVE, KNOWN_DIRECTIVE,
448 T_VOID, T_SPECLINE, T_DATE, T_FILE, T_BASE_FILE, T_INCLUDE_LEVEL,
449 T_TIME, T_STDC, T_OPERATOR, T_POISON, T_MACRO, T_ASSERTION): Delete.
450 (struct cpp_pool, struct cpp_macro, struct cpp_lexer_pos,
451 struct cpp_lookahead, CPP_DHASH, enum mi_state, enum mi_ind,
452 NO_EXPAND, VARARGS_FIRST, struct cpp_token_with_pos,
453 struct toklist, struct cpp_context, struct specnodes,
454 TOKEN_LOOKAHEAD, TOKEN_BUFFSIZE, NODE_OPERATOR, NODE_POISONED,
455 NODE_BUILTIN, NODE_DIAGNOSTIC, NT_VOID, NT_MACRO, NT_ASSERTION,
456 enum builtin_type, cpp_can_paste): New.
457 (struct cpp_token): Delete line and col members.
458 (struct cpp_buffer): New member output_lineno.
459 (struct lexer_state): Delete indented, in_lex_line, seen_dot.
460 Add va_args_ok, poisoned_ok, prevent_expansion, parsing_args.
461 (struct cpp_reader): New members lexer_pos, macro_pos, directive_pos,
462 ident_pool, temp_string_pool, macro_pool, argument_pool, string_pool,
463 base_context, context, directive, mi_state, mi_if_not_defined,
464 mi_lexed, mi_cmacro, mi_ind_cmacro, la_read, la_write, la_unused,
465 mlstring_pos, macro_buffer, macro_buffer_len.
466 Delete members mls_line, mls_column, token_list, potential_control_macro,
467 temp_tokens, temp_cap, temp_alloced, temp_used, first_directive_token,
468 context_cap, cur_context, no_expand_level, paste_level, contexts, args,
469 save_parameter_spellings, need_newline, .
470 Change type of date, time and spec_nodes members.
471 Change prototypes for include and ident callbacks.
472 (struct cpp_hashnode): Change type of name. Remove union members
473 expansion and code. Add members macro, operator and builtin.
475 (cpp_token_len, cpp_token_as_text, cpp_spell_token, cpp_start_read,
476 cpp_finish, cpp_avoid_paste, cpp_get_token, cpp_get_line,
477 cpp_get_output_line, cpp_macro_definition, cpp_start_lookahead,
478 cpp_stop_lookahead): New prototypes.
479 (cpp_printer_init, cpp_dump_definition): Delete prototypes.
481 (U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr, ufputs):
484 * cpphash.h (U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr,
485 ufputs): Move to cpplib.h.
486 (enum spell_type, struct token_spelling, _cpp_token_spellings, TOKEN_SPELL,
487 TOKEN_NAME, struct answer, FREE_ANSWER, KANDR, STDC89, EXTENSION,
488 COND, EXPAND, INCL, COMMENTS, IN_I, struct directive, directive_handler,
489 struct spec_nodes, _cpp_digraph_spellings, _cpp_free_temp_tokens,
490 _cpp_init_input_buffer, _cpp_grow_token_buffer, _cpp_init_toklist,
491 _cpp_clear_toklist, _cpp_expand_token_space, _cpp_expand_name_space,
492 _cpp_equiv_tokens, _cpp_equiv_toklists, _cpp_process_directive,
493 _cpp_run_directive, _cpp_get_line, _cpp_get_raw_token, _cpp_glue_header_name,
494 _cpp_can_paste, _cpp_check_directive, _cpp_check_linemarker,
495 _cpp_parse_assertion, _cpp_find_answer): Delete.
496 (VALID_SIGN, ALIGN, POOL_FRONT, POOL_LIMIT, POOL_BASE, POOL_SIZE,
497 POOL_USED, POOL_COMMIT, struct cpp_chunk, _cpp_lex_token, _cpp_init_pool,
498 _cpp_free_pool, _cpp_pool_reserve, _cpp_pool_alloc, _cpp_next_chunk,
499 _cpp_lock_pool, _cpp_unlock_pool, _cpp_test_assertion,
500 _cpp_handle_directive, DSC): New.
501 (struct include_file): New member defined.
503 (DO_NOT_REREAD, _cpp_begin_message, _cpp_execute_include,
504 _cpp_compare_file_date): Update.
505 (_cpp_pop_context, _cpp_get_token, _cpp_free_lookaheads, _cpp_push_token): New.
506 (_cpp_init_macros, _cpp_cleanup_macros): Rename to _cpp_init_hashtable,
507 _cpp_cleanup_hashtable.
509 * Makefile.in: Remove cppoutput.c.
511 * cppoutput.c: Delete
513 * fixheader.c (read_scan_file): Update for new cpp_get_token
515 (recognized_function): New argument LINE.
517 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
518 new cpp_get_token prototype.
520 * scan.h (recognized_function): Update prototype.
522 * po/POTFILES.in: Remove cppoutput.c.
524 2000-10-27 Mark Mitchell <mark@codesourcery.com>
526 * c-typeck.c (check_init_type_bitfields): Remove.
527 (constructor_incremental): Likewise.
528 (struct constructor_stack): Remove incremental bit.
529 (struct initializer_stack): Likewise.
530 (start_init): Don't play with constructor_incremental.
531 (finish_init): Likewise.
532 (really_start_incremental_init): Likewise.
533 (push_init_level): Likewise.
534 (pop_init_level): Likewise.
535 (output_init_level): Likewise.
536 (output_pending_init_elements): Likewise.
538 2000-10-21 Mike Coleman <mcoleman2@kc.rr.com>
540 * c-pragma.c (handle_pragma_pack): Initialize align to -1.
541 Improve error messages. Correct parsing of
542 #pragma pack(pop [,id]). Do not check the user-supplied
543 alignment if we're popping.
545 * gcc.dg/pack-test-1.c: New test case.
546 * gcc.dg/pack-test-2.c: New test case.
547 * gcc.dg/pack-test-1.h: New file.
549 2000-10-27 Neil Booth <neilb@earthling.net>
553 2000-10-27 Kelley Cook <kelley.cook@home.com>
555 * invoke.texi: Document -mintel-syntax
557 2000-10-27 Richard Henderson <rth@redhat.com>
559 * invoke.texi: Document -frename-registers. Add it to -O3.
560 * toplev.c (rest_of_compilation): Run regrename before ifcvt2.
561 (enum dump_file_index, dump_file): Update order.
562 (main): Set flag_rename_registers at -O3.
564 2000-10-27 Richard Henderson <rth@redhat.com>
566 * config/alpha/alpha.h (enum reg_class): Add PV_REG.
567 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS): Update.
568 (REG_CLASS_FROM_LETTER): Assign it to 'c'.
569 * config/alpha/alpha.md (call_osf_1): Use it.
570 (call_value_osf_1): Likewise.
572 * config/ia64/ia64.c: Revert 10-23 patch.
573 (ia64_hard_regno_rename_ok): New.
574 * config/ia64/ia64-protos.h: Declare it.
575 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK): Use it.
577 2000-10-27 Bernd Schmidt <bernds@redhat.co.uk>
578 Richard Henderson <rth@redhat.com>
580 * regrename.c: Rewrite to handle multi-register modes and
581 cond_exec instructions.
582 * Makefile.in (regrename.o): Update dependancies.
583 * recog.h (struct operand_alternative): Add is_address.
584 * recog.c (preprocess_constraints) [case 'p']: Set it.
586 2000-10-27 Zack Weinberg <zack@wolery.stanford.edu>
588 * configure.in: If not NO_MINUS_C_MINUS_O, substitute
589 OUTPUT_OPTION with '-o $@'. Make zlibdir, zlibinc relative to
590 top level. Kill oldstyle_subdirs. Do not include
591 $srcdir/$s/Makefile.in in all_lang_makefiles, but do include
592 $outputs. Do not run configure.lang from config.status.
593 Rearrange warning-flag logic to correspond to what the
594 makefile wants. Put special vax stage1 options in
595 @stage1_flags@ not @stage1_warn_cflags@. Don't do anything
596 with extra_c_objs, extra_cxx_objs, or extra_cpp_objs.
597 (--enable-c-cpplib): AC_SUBST(maybe_cpplib) with "libcpp.a" if
598 switch is given, nothing otherwise.
599 * configure.lang: Delete.
601 * Makefile.in: Expunge all traces of extra_c_objs,
602 extra_cxx_objs, and extra_cpp_objs. Set MAYBE_CPPLIB from
603 @maybe_cpplib@. Add $(MAYBE_CPPLIB) to C_AND_OBJC_OBJS. Set
604 warning options via a three level scheme so that -pedantic and
605 -Wtraditional are not used for non-C front ends: LOOSE_WARN,
606 STRICT1_WARN, STRICT2_WARN -> $(@D)-warn, GCC_WARN_CFLAGS ->
607 WARN_CFLAGS. Distinguish STAGE1_CFLAGS from BOOT_CFLAGS.
608 Add -I$(@D) and -I$(srcdir)/$(@D) to INCLUDES.
609 Set OUTPUT_OPTION, ZLIB, ZLIBINC. Do not set P,
610 LANG_FLAGS_TO_PASS. Add OUTPUT_OPTION to all object-file
611 generation rules. Wrap all rules that change the current
612 directory in parentheses; pmake doesn't spawn a new shell for
613 each command. Expunge all references to $(P). When one
614 command depends on another and they're run all at once, use &&
615 to separate them, not ;. Add libgcc_s$(SHLIB_EXT) to files
616 deleted on make clean. Force OUTPUT_OPTION='-o $@' in stage2
619 * objc/Make-lang.in: Wrap all rules that change the current
620 directory in parentheses. Expunge all references to $(P).
621 When one command depends on another and they're run all at
622 once, use && to separate them, not ;. Add OUTPUT_OPTION to
623 all object-file generation rules. Delete obsolete variables.
624 * objc/Makefile.in: Delete.
626 2000-10-27 Jakub Jelinek <jakub@redhat.com>
628 * calls.c (expand_call): If sibcall_failure is set during pass 1,
629 clear tail_call_insns as well.
631 2000-10-27 Nick Clifton <nickc@redhat.com>
633 * config/arm/arm-protos.h (arm_function_ok_for_sibcall): Add
636 2000-10-26 Richard Henderson <rth@redhat.com>
638 * calls.c (expand_call): Supress sibcall if we have a
639 BLKmode return in registers.
641 2000-10-26 Bernd Schmidt <bernds@redhat.co.uk>
643 * ia64.h (PREFERRED_RELOAD_CLASS): Force floating point constants
646 2000-10-26 Nathan Sidwell <nathan@codesourcery.com>
648 * tree.c (make_node, case 't'): Set alignment to that of
650 * expr.c (move_by_pieces_ninsns): Abort if some length remains.
652 2000-10-25 Mark Mitchell <mark@codesourcery.com>
654 * Makefile.in (site.exp): Define HAVE_LIBSTDCXX_V3.
655 * configure.in (enable-libstdcxx-v3): Arrange to have
656 HAVE_LIBSTDCXX_V3 substituted into the output files.
658 2000-10-25 Richard Henderson <rth@redhat.com>
660 * recog.c (constrain_operands): Initialize which_alternative
661 before no alternatives early exit.
663 * cse.c (find_comparison_args): Check that we can reverse a
664 comparison if needed before accepting the substitution.
666 * reload.c (find_reloads_address_part): Kill rtx obstack hackery.
668 * simplify-rtx.c (simplify_relational_operation): Sign extend
669 low words before sign extending to high words.
671 2000-10-25 Nick Clifton <nickc@redhat.com>
673 * config/mcore/mcore.c: Include config.h before system.h.
675 2000-10-25 Ray Essick <essick@ddna.labs.mot.com>
677 * config/mcore/mcore.md (return): Force function epilogue to
678 always be generated to work around epilogue suppression bug in
681 2000-10-25 Joseph S. Myers <jsm28@cam.ac.uk>
683 * c-decl.c (grokdeclarator): Move warning for qualified void
684 return types with -pedantic to when the function type is
685 constructed. At -W, warn in general for qualified function return
686 types, except for volatile void.
687 * invoke.texi: Document this new warning at -W.
689 2000-10-25 Neil Booth <neilb@earthling.net>
691 * cpp.texi: Update with implementation-defined behavior and
694 2000-10-25 Jakub Jelinek <jakub@redhat.com>
696 * stor-layout.c (layout_type): If TYPE_ALIAS_SET was already set on the
697 incomplete type force it into alias set 0.
699 Wed Oct 25 01:02:44 EDT 2000 John Wehle (john@feith.com)
701 * alias.c: Include basic-block.h.
702 (loop_p): New function.
703 (mark_constant_function): Use it.
704 * Makefile.in (alias.o): Update dependencies.
706 2000-10-24 Aldy Hernandez <aldyh@redhat.com>
708 * config/mn10300/mn10300.c (secondary_reload_class): Treat pseudos
711 2000-10-24 Jim Wilson <wilson@cygnus.com>
713 * expmed.c (store_bit_field): Move integer pun code down after
714 code that calls emit_move_insn for entire register move.
715 * stor-layout.c (compute_record_mode): Revert Mar 25, Aug 18, and
716 Oct 20 changes. Only store mode in TYPE_MODE if RECORD_TYPE.
718 2000-10-24 Richard Henderson <rth@cygnus.com>
720 * rtlanal.c (rtx_unstable_p, rtx_varies_p): Don't consider pic
721 register stable if PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
723 2000-10-24 Aldy Hernandez <aldyh@redhat.com>
725 * gcse.c (cprop_insn): do not propagate constants into jump_insn
726 for machines with CC0 more than once.
728 2000-10-24 Richard Henderson <rth@cygnus.com>, Aldy <aldyh@cygnus.com>
730 * config/mn10300/mn10300.h (PREFERRED_RELOAD_CLASS): Treat
731 pseudos just like memory.
733 2000-10-24 Alexandre Oliva <aoliva@redhat.com>
735 * combine.c (distribute_notes): Discard REG_LIBCALL and REG_RETVAL
736 when deleting libcall sequence collapsed to a single instruction.
738 2000-10-24 Andrew Haley <aph@cygnus.co.uk>
740 * expr.c (do_store_flag): Don't crash if either side of a
741 comparison is error_mark_node.
743 2000-10-24 Jakub Jelinek <jakub@redhat.com>
745 * sibcall.c (purge_mem_unchanging_flag): New function.
746 (optimize_sibling_and_tail_recursive_calls): Call it.
748 2000-10-24 Philipp Thomas <pthomas@suse.de>
750 * Makefile.in (check-po): New target for doing checks in the po
751 subdir if all languages configured.
752 (CHECK_TARGETS): Add @CHECK_PO@, replaced with check-po via
753 configure if NLS is enabled.
754 * configure.in: If NLS is enabled, substitute CHECK_PO by check-po,
755 otherwise leave empty.
756 * configure: Regenerate.
758 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
760 * i386.c (print_operand): Handle new 'A' formatting code.
761 387 opcodes need suffixes even with -mintel-syntax.
762 Check for explicit size override (codes 'b', 'w' and 'k').
763 (print_operand_address): Check if register prefix is needed when
764 emitting `ds' segment override.
765 * i386.h: Add comment about new 'A' formatting code.
766 * i386.md (jump and call patterns): Emit absolute references using %A.
768 2000-10-23 Richard Henderson <rth@cygnus.com>
770 * config/ia64/ia64.c (ia64_expand_prologue): Mark extra
771 output registers as fixed.
772 (ia64_function_epilogue): Undo output fixation.
774 2000-10-23 Richard Henderson <rth@cygnus.com>
776 * config/alpha/alpha.md: Add names for all unnamed insns; use
777 define_insn_and_split in some obvious places.
779 (zero_extendqihi2): Use an expander w/ nonimmediate_operand for BWX.
780 (zero_extendqisi2, zero_extendqidi2): Likewise.
781 (zero_extendhisi2, zero_extendhidi2): Likewise.
782 (abs splitters): Fix match_scratch operand number.
783 (bcc_reverse): Swap pc & label instead of non-canonical compare.
785 2000-10-23 Jim Wilson <wilson@cygnus.com>
787 * ia64.c (ia64_print_operand, case 'r'): Correct comment. Handle
789 * ia64.md (cmpsi_adjusted): Use %r3.
790 (cmpdi_adjusted): Likewise.
792 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
794 * config/i386/att.h (ASM_FILE_START): Define.
796 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
798 * config/i386/linux.h (ASM_FILE_START): Define.
800 Wed Oct 18 11:16:40 2000 Donald Lindsay <dlindsay@cygnus.com>
802 * gcc/configure.in: m68k-coff tm_file should not have libgloss.h,
803 since this (only) drags in a crt0.o reference that the .ld files
806 2000-10-23 Geoff Keating <geoffk@cygnus.com>
808 * reload1.c (reload_reg_reaches_end_p): A RELOAD_OTHER can
809 overwrite the value in a RELOAD_FOR_INPUT and other kinds of
810 reloads just like an RELOAD_FOR_OUTPUT would.
812 * local-alloc.c (update_equiv_regs): Add an abort(). When
813 deleting or moving insns, update reg_equiv[regno].init_insns.
815 2000-10-23 Mark Mitchell <mark@codesourcery.com>
817 * c-tree.texi: Improve documentation for IF_STMTs and related
818 conditional statements.
820 2000-10-22 Mark Mitchell <mark@codesourcery.com>
822 * expr.c (do_preexpand_calls): Remove.
823 (same_from_p): Don't use CALL_EXPR_RTL.
824 (expand_expr): Don't call preexpand_calls, or use CALL_EXPR_RTL.
825 (preexpand_calls): Remove.
826 * tree.c (first_rtl_op): Remove CALL_EXPR case.
827 (unsave_expr_1): Likewise.
828 * tree.def (CALL_EXPR): Give it only two slots.
829 * tree.h (CALL_EXPR_RTL): Remove.
831 2000-10-21 Chandrakala Chavva <cchavva@redhat.com>
833 * libgcc-std.ver (__addvsi3, __addvdi3, __subvsi3, __subvdi3,
834 __mulvsi3, __negvsi2, __negvdi2, __absvsi2, __absvdi2, __mulvdi3):
837 2000-10-22 Alexandre Oliva <aoliva@redhat.com>
839 * calls.c (combine_pending_stack_adjustment_and_call): Don't
840 adjust stack when unadjusted_alignment ends up as zero.
842 2000-10-22 Joseph S. Myers <jsm28@cam.ac.uk>
844 * fixinc/genfixes: Remove EGCS reference.
845 * install.texi: Remove EGCS reference.
846 * INSTALL: Regenerate.
848 2000-10-22 Mark Mitchell <mark@codesourcery.com>
850 * tree.h (TYPE_IS_SIZETYPE): Add more documentation.
852 2000-10-21 Joseph S. Myers <jsm28@cam.ac.uk>
854 * diagnostic.c: Remove EGCS reference in comment.
856 Sat Oct 21 08:24:25 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
858 * loop.c (strength_reduce): Fix error in last change.
860 2000-10-20 David Edelsohn <edelsohn@gnu.org>
862 * Makefile.in (SHLIB_NM_FLAGS): New.
863 (libgcc.mk): Pass it.
864 * mklibgcc.in (libgcc.map): Use it.
866 * rs6000/t-aix43 (SHLIB_EXT, SHLIB_LINK, SHLIB_LIBS,
867 SHLIB_MKMAP, SHLIB_MAPFILES, SHLIB_NM_FLAGS): New.
869 2000-10-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
871 * mips.h (REG_CLASS_FROM_LETTER): Cast array arg to unsigned char.
873 * sparc.c (load_pic_register): Delete unused varaible.
875 * libgcc2.c (__addvsi3): Delete unused variable.
877 * libgcc2.h (__absvsi2, __absvdi2, __addvsi3, __addvdi3,
878 __subvsi3, __subvdi3, __mulvsi3, __mulvdi3, __negvsi2,
879 __negvdi2): Prototype.
881 * ssa.c (apply_delayed_renames): Avoid undefined operation.
883 * toplev.c (display_target_options): Make static to match
884 prototype. Delete empty declaration.
886 2000-10-20 Tom Tromey <tromey@cygnus.com>
888 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Added -MF and -MT.
889 * gcc.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Added -MF and -MT.
891 Fri Oct 20 17:05:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
893 * expr.c (expand_expr, case SAVE_EXPR): Set RTX_UNCHANGING_P on
895 (expand_expr_unaligned, case ARRAY_REF): Check that index is
896 a constant before comparing it; use tree_low_cst.
897 * tree.c (save_expr): Set TREE_READONLY.
898 (substitute_expr): Return inside of NON_LVALUE_EXPR.
899 (build, build1): Set TREE_READONLY if all operands are.
900 (build_index_type): If upper bound is a negative number, lower
901 bound is zero and sizetype is unsigned, use upper bound of one and
904 2000-10-20 David Edelsohn <edelsohn@gnu.org>
906 * gcc.c (process_command, main): Use "because" instead of
907 "since" in error messages.
909 Fri Oct 20 13:33:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
911 * stor-layout.c (compute_record_mode): Use tree_low_cst.
912 Don't use mode of field for record unless sizes are the same.
913 (layout_type, case ARRAY_TYPE): Remove special bounds handling
914 previously added for Ada; also change to using host_integerp
917 * loop.c (strength_reduce): Show when new register made for
918 giv is known to be a pointer and its aligment if so and known.
919 (loop_dump_aux): Show VERBOSE parameter unused.
921 * gcse.c (set_hash_table_size): Now unsigned.
922 * sdbout.c (template_name_p): Add "const" to avoid warnings.
923 (sdbout_record_type_name, plain_type_1, sdbout_symbol): Likewise.
924 (sdbout_one_type, sdbout_parms, sdbout_reg_parms): Likewise.
925 (sdbout_end_epilogue): Remove variable NAME.
926 * system.h (getopt): Add default definition.
927 * config/alpha/alpha.c (print_operand): Don't continue processing
929 (summarize_insn): Avoid use of UL in constant.
931 * function.c (locate_and_pad_parm): Use host_integerp and tree_low_cst.
933 * fold-const.c (force_fit_type): Unsigned values can overflow
934 if they are sizetype.
935 (int_const_binop): Don't use cache if overflows.
937 2000-10-20 Richard Henderson <rth@cygnus.com>
939 * function.c (locate_and_pad_parm): Zero alignment_pad.
941 * regrename.c (rr_replace_reg): Rewrite to use recog_data to
942 perform substitutions, and apply_change_group to see if it worked.
944 Fri Oct 20 13:33:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
946 * dwarf2out.c (add_bound_info): Also ignore COND_EXPR.
948 * combine.c (struct undo): Change int to unsigned int.
949 (do_SUBST_INT): Args are unsigned int.
950 (make_extraction, force_to_mode): Use proper type when forming mask.
951 (make_field_assignment): Likewise.
953 2000-10-20 Joseph S. Myers <jsm28@cam.ac.uk>
955 * c-common.c (check_format_info_recurse): Extract string constant
956 initializers from non-volatile constant arrays and check them as
958 * c-typeck.c (decl_constant_value): Don't check pedantic or check
959 for DECL_MODE (decl) != BLKmode.
960 (decl_constant_value_for_broken_optimization): New function which
961 includes these checks.
962 (default_conversion, convert_for_assignment, digest_init): Use
963 decl_constant_value_for_broken_optimization instead of
966 2000-10-20 Mark Mitchell <mark@codesourcery.com>
968 * tree.h (DECL_ALIGN_UNIT): New macro.
970 2000-10-14 Marek Michalkiewicz <marekm@linux.org.pl>
972 * config/avr/avr-protos.h (avr_output_bld): New.
973 (out_shift_with_cnt): Add t_len argument.
974 * config/avr/avr.c (avr_num_arg_regs): Remove -mpack-args.
975 (output_movqi, output_movhi, output_movsisf): Optimize loading
976 any constant with exactly one bit set to NO_LD_REGS.
977 (out_shift_with_cnt): Optimize output code for size or speed,
978 depending on optimize_size. Handle small shift counts as well
979 (if not hand-optimized in ?sh??i3_out). Shifts can be done
980 with or without a scratch register, with help of __tmp_reg__
981 or __zero_reg__ if necessary. Add T_LEN argument to pass the
982 length of TEMPLATE in words, return total insn length in *LEN.
983 (ashlqi3_out, ashrqi3_out, lshrqi3_out): Change all calls to
984 out_shift_with_cnt to work with the above change.
985 (ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out, lshrhi3_out,
986 lshrsi3_out): Likewise. Optimize more known shift count cases.
987 Remove cases already well optimized in out_shift_with_cnt.
988 (avr_output_bld): New function.
989 * config/avr/avr.h (MASK_PACK_ARGS, TARGET_PACK_ARGS): Remove.
990 (TARGET_SWITCHES): Remove -mpack-args backward compatibility.
991 * config/avr/avr.md (*reload_inqi, *reload_inhi, *reload_insi):
992 Add reload_completed to insn condition - only for peepholes.
993 (ashlqi3, ashrqi3, lshrqi3): Correct insn length for shift counts
994 in a register or memory.
995 (ashlhi3, ashlsi3, ashrhi3, ashrsi3, lshrhi3, lshrsi3): Likewise.
996 Do not require a scratch register.
997 (*ashlhi3_const, *ashlsi3_const, *ashrhi3_const, *ashrsi3_const,
998 *lshrhi3_const, *lshrsi3_const): New insns and matching peepholes.
999 Optimize shifts by known count using a scratch register, but only
1000 if one is still available after register allocation.
1002 2000-10-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1004 * t-vax: New file. Don't build modules from libgcc1.c.
1006 Fri Oct 20 00:57:00 EDT 2000 John Wehle (john@feith.com)
1008 * alias.c: (mark_constant_function): Don't check pure functions.
1009 Initialize and end alias analysis.
1010 (nonlocal_mentioned_p): Rename from nonlocal_reference_p.
1011 Don't make a special exception for recursion. Handle
1012 UNSPEC_VOLATILE. Don't assume ASM_OPERANDS is non-local
1013 unless it's volatile.
1015 * local-alloc.c (equivalence): New structure.
1016 (reg_equiv): Define.
1017 (contains_replace_regs): Remove array and use
1019 (memref_referenced_p): Likewise.
1020 (no_equiv): Likewise.
1021 (update_equiv_regs): Likewise.
1023 (equiv_init_varies_p,
1024 equiv_init_movable_p): New functions.
1025 (update_equiv_regs): Use them. Use rtx_varies_p
1026 instead of function_invariant_p. Process insns
1027 from end to beginning. Allow a REG_EQUIV insn
1028 within the same loop as a use to be moved, also
1029 allow it to be moved out of a loop. Update
1030 REG_DEAD notes when substituting into an insn.
1032 2000-10-19 Jim Wilson <wilson@cygnus.com>
1034 * c-decl.c (start_decl): Check for error_mark_node type before using
1036 (finish_decl): Likewise. Don't give an error if decl type is
1037 already error_mark_node.
1039 * haifa-sched.c (compute_trg_info): Add explanatory comments.
1040 New local update_blocks. Use update_blocks to remove duplicates
1041 when computing update blocks. Check for bblst_table overflow.
1042 (schedule_block): Add explanatory comment. Reduce bblst_size by
1044 * config/ia64/ia64.md (movdi_symbolic): Document loss of REG_LABEL
1047 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
1049 * libgcc2.c (_mulvsi3): Change variables u and v to a and b.
1051 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
1053 * expmed.c: Minor corrections in comments.
1054 * invoke.texi: Added desciption for the new option -ftrapv.
1056 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
1058 * libgcc2.c: Added the missing #endif.
1060 Thu Oct 19 14:25:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
1062 * i386.h (CONST_OK_FOR_LETTER): Re-add 'N'; document.
1064 2000-10-18 Chandrakala Chavva <cchavva@redhat.com>
1066 * expmed.c (expand_mult): Don't do synth_mult optimization for -ftrapv.
1067 Use smulv_optab for -ftrapv.
1068 (expand_mult_highpart): Use unsigned multiply.
1069 (expand_divmod): Special-case division by -1.
1070 For EXACT_DIV_EXPR, do right shift first, then the multiply.
1071 For complex divide, use abs with unsigned result.
1072 * expr.c (force_operand): Use unsigned multiply.
1073 (expand_expr): Use overflow-trapping optabs for signed types if
1075 If flag_trapv, don't generate a recursive call with EXPAND_SUM
1076 if the type is signed and the original call wasn't EXPAND_SUM or
1078 * expr.h (addv_optab, subv_optab, smulv_optab, sdivv_optab): Declare.
1079 (negv_optab, absv_optab): Declare.
1080 * flags.h (flag_trapv): Declare.
1081 * genopinit.c (optabs): Add entries for addv_optab, subv_optab,
1082 smulv_optab, sdivv_optab, negv_optab and absv_optab.
1083 (gen_insn): Interpret '$P' as requiring an integer mode,
1084 including partial integer modes.
1085 * loop.c (emit_iv_add_mult): Use unsigned expand_mult_add.
1086 (product_cheap_p): Use unsigned expand_mult.
1087 * optabs.c (addv_optab, subv_optab, smulv_optab, sdivv_optab): Define.
1088 (negv_optab, absv_optab): Define.
1089 (expand_binop): Use overflow-trapping optabs for signed types if
1091 Handle negv_optab libe neg_optab.
1092 (expand_abs): Take result_unsignedp argument instead of unsignedp one.
1093 Use overflow-trapping optabs for signed result if flag_trapv.
1094 (expand_complex_abs): Use overflow-trapping optabs for signed types if
1096 Don't open-code complex absolute-value operation for flag_trapv.
1097 (init_optabs): Initialize addv_optab, subv_optab, smulv_optab,
1098 sdivv_optab, negv_optab and absv_optab.
1099 * toplev.c (flag_trapv): Define.
1100 (lang_independent_options f_options): Include flag_trapv.
1101 * tree.h (TYPE_TRAP_SIGNED): Define.
1102 * libgcc2.c (__addvsi3, __addvdi3, __subvsi3,__subvsi3, __subvdi3,
1103 __mulvsi3, __negvsi2, __negvdi2, __absvsi2, __absvdi2, __mulvdi3):
1105 * Makefile.in: add _absvsi2 _absvdi2 _addvsi3 _addvdi3 _subvsi3
1106 _subvdi3 _mulvsi3 _mulvdi3 _negvsi2 _negvdi2.
1108 2000-10-18 Geoffrey Keating <geoffk@cygnus.com>
1109 David V. Henkel-Wallace <gumby@cygnus.com>
1111 * config/i386/t-netware: Bring in from the Red Hat tree.
1112 * config/i386/netware.h: Likewise.
1113 * config/netware.h: Likewise.
1114 * config/rs6000/netware.h: Delete.
1115 * configure.in: Add i[34567]86-*-netware.
1116 * configure: Hand-edit to match configure.in change.
1118 2000-10-18 Mark Mitchell <mark@codesourcery.com>
1120 * c-common.h (flag_no_builtin): Declare.
1121 (flag_no_nonansi_builtin): Likewise.
1122 (c_common_nodes_and_builtins): Change prototype.
1123 * c-common.c (flag_no_builtin): New variable.
1124 (flag_no_nonansi_builtin): Likewise.
1125 (c_common_nodes_and_builtins): Remove parameters. Adjust
1127 * c-decl.c (flag_no_builtin): Remove.
1128 (flag_no_nonansi_builtin): Likewise.
1129 (init_decl_processing): Adjust call to
1130 c_common_nodes_and_builtins.
1132 2000-10-18 Marc Espie <espie@openbsd.org>
1134 * tm.texi (LIBGCC_SPEC): Synch with reality.
1136 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
1138 * c-common.c (check_format_types): Check for writing through a
1139 NULL pointer argument.
1141 2000-10-18 Hans-Peter Nilsson <hp@axis.com>
1143 * tm.texi (Exception Region Output): Document
1144 DWARF_CIE_DATA_ALIGNMENT.
1145 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Wrap definition in
1147 [ENABLE_CHECKING] (reg_save): Abort if offset is not a multiple of
1148 DWARF_CIE_DATA_ALIGNMENT.
1150 2000-10-18 Michael Hayes <mhayes@cygnus.com>
1152 * basic-block.h (struct loop): Delete fields pre_header_root
1153 and pre_header_trace and replace with pre_header_edges
1154 and num_pre_header_edges.
1155 * flow.c (flow_loop_dump): Dump pre_header_edges.
1156 (flow_loops_free): Free pre_header_edges.
1157 (flow_loop_pre_header_scan): Calculate pre_header_edges.
1159 2000-10-18 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1161 * contrib.texi: Update references to steering committee members
1162 and Jeff Law's entry.
1164 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
1166 * c-common.c (CPLUSPLUS_STD_VER, C_STD_VER, C_STD_NAME): Define.
1167 (maybe_read_dollar_number, check_format_info_main): Use them for
1168 pedantic warning messages.
1170 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
1172 * c-common.c (check_format_info_main): Minor cleanup: move
1173 variables into inner scopes; initialize declarations where
1174 appropriate; don't hardcode "scanf" name on warning for zero
1177 2000-10-17 Mark Mitchell <mark@codesourcery.com>
1179 * c-common.c (back_end_hook): New variable.
1180 * c-common.h (back_end_hook): Declare it.
1181 * c-lang.c (finish_file): Use it.
1183 * emit-rtl.c (init_emit_once): Initialize the const_int_htab
1186 2000-10-18 Jan Hubicka <jh@suse.cz>
1188 * i386.c (ix86_comparison_operator, put_condition_code,
1189 ix86_match_ccmode, ix86_cc_mode): Handle CCRCmode.
1190 (ix86_expand_strlensi_unroll_1): Use CCRCmode.
1191 * i386.h (EXTRA_CC_MODES): Add CCRCmode.
1192 * i386.md (adddi and negdi splitter): Use CCRCmode.
1193 (add?i_3, add?i_4, add?i_5): Use CCRCmode; swap operands
1194 (subsi3_carry): add '*'
1195 (addsi3_carry_rc, subsi3_carry_rc, x86_movsicc_0_m1_rc): New.
1196 (cmp to add peep2): Use CCRCmode; swap operands.
1198 2000-10-18 Kazu Hirata <kazu@hxi.com>
1200 * h8300.c: Fix a comment typo.
1201 (round_frame_size): New.
1202 (compute_saved_regs): Likewise.
1205 (push_order): Remove.
1206 (pop_order): Likewise.
1207 (function_prologue): Rearrange code for readability.
1208 (function_epilogue): Likewise.
1210 * config/h8300/h8300.md: Remove an unnecessary sign_extend
1211 expander that is used when not optimizing. Output a tab after
1212 each assembly insns.
1214 * reorg.c: Fix formatting.
1216 2000-10-17 Joern Rennecke <amylaar@redhat.co.uk>
1218 * reload1.c (move2add_note_store): Check for simple
1219 auto-inc in destination.
1221 2000-10-17 Michael Chastain <chastain@redhat.com>
1223 * config/i386/i386-aout.h: define INT_ASM_OP.
1225 Tue Oct 17 20:11:08 2000 Alan Modra <alan@linuxcare.com.au>
1227 * pa.c (print_operand): Handle case 'c' for .vtable_inherit
1229 Tue Oct 17 20:05:51 2000 Martin Buchholz <martin@xemacs.org>
1231 * i370.md: Fix spelling typo.
1233 2000-10-17 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1235 * function.c (locate_and_pad_parm): Don't align stack unconditionally.
1236 Fixes execute/20001017-1.c on powerpc-linux-gnu.
1238 * expr.c (store_constructor): Apply MEM_ALIAS_SET to MEMs only.
1239 * rs6000/rs6000.c (rs6000_hash_constant): Use X0INT to access a
1242 * rs6000/rs6000.h (NO_DOLLAR_IN_LABEL, DOLLARS_IN_IDENTIFIERS,
1243 ENCODE_SECTION_INFO, ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Move from
1245 * rs6000/aix.h: ...to here.
1246 * rs6000/linux.h (ASM_APP_ON, ASM_APP_OFF): Define to Linux-style.
1248 2000-10-17 Jakub Jelinek <jakub@redhat.com>
1250 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Reload gp if needed.
1252 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): Always use call, make
1253 sure linker can relax even the delay slot mov %g1,%o7, fix output
1256 2000-10-17 Kazu Hirata <kazu@hxi.com>
1258 * config/h8300/h8300.md: Remove an unnecessary zero_extend
1259 expander that is used when not optimizing. Output a tab after
1260 each assembly insns.
1262 2000-10-17 Chandrakala Chavva <cchavva@redhat.com>
1264 * gcc.c: New options --target-help.
1265 (process_command): Added code to parse this new option.
1266 * toplev.c (display_target_options): New function to support the
1268 * cppinit.c (new_pending_directive) : New option OPT_target__help.
1269 (cpp_handle_option): Support this new option.
1270 * invoke.texi: Added notes about --target-help option.
1272 2000-10-17 Graham Stott <grahams@redhat.com>
1274 * config/i386/i386.md (testqi_1): Add missing operand prefix
1276 * config/i386/i386-protos.h: Add missing prototype.
1278 2000-10-17 Diego Novillo <dnovillo@cygnus.com>
1280 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Symbol
1281 _GLOBAL_OFFSET_TABLE should not have a $ prefix when
1282 using -mintel-syntax.
1284 2000-10-17 Joseph S. Myers <jsm28@cam.ac.uk>
1286 * c-common.c (FMT_FLAG_DOLLAR_MULTIPLE): Define.
1287 (format_types): Use it for printf.
1288 (maybe_read_dollar_number): Add parameter for the kind of format
1289 involved. Warn for multiple use for arguments if this is
1290 inappropriate for the kind of format involved.
1291 (check_format_info_main): Update calls to maybe_read_dollar_number.
1293 2000-10-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1295 * inclhack.def (hpux_maxint): Also apply fix to values.h.
1296 * fixincl.x: Rebuilt.
1298 2000-10-17 Alexandre Oliva <aoliva@redhat.com>
1300 * genrecog.c (write_switch): Return the first condition that needs a
1303 2000-10-17 Bernd Schmidt <bernds@redhat.co.uk>
1305 * c-tree.h (warn_sequence_point): Move declaration to...
1306 * c-common.h (warn_sequence_point): ... here.
1307 * c-decl.c (warn_sequence_point): Move definition to...
1308 * c-common.c (warn_sequence_point): ... here.
1309 (struct reverse_tree): New.
1310 (reverse_list, reverse_max_depth): New static variables.
1311 (build_reverse_tree, common_ancestor, modify_ok
1312 verify_sequence_points): New functions.
1313 (c_expand_expr_stmt): Call verify_sequence_points if -Wsequence-point.
1314 * c-typeck.c (check_modify_expr): Delete.
1315 (build_modify_expr): Don't call it.
1317 2000-10-17 Joseph S. Myers <jsm28@cam.ac.uk>
1319 * c-common.h (warn_missing_format_attribute): New variable.
1320 * c-decl.c (warn_missing_format_attribute): New variable.
1321 (c_decode_option): Decode -Wmissing-format-attribute and
1322 -Wno-missing-format-attribute.
1323 * c-common.c (check_function_format): If
1324 -Wmissing-format-attribute, give a warning where a vprintf or
1325 vscanf function is called by a function without its own printf or
1327 * toplev.c (documented_lang_options): Add
1328 -Wmissing-format-attribute.
1329 * invoke.texi: Document -Wmissing-format-attribute.
1331 2000-10-17 Marc Espie <espie@openbsd.org>
1333 * invoke.texi (-shared): Insist on requiring code generation flags
1334 to be used along with -shared, and document the subtle failure that
1335 may occur otherwise.
1337 2000-10-16 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1339 * pa.md (return_internal): Move `use' after `return'.
1341 2000-10-16 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
1343 * machmode.def: Correct comment.
1345 2000-10-16 Rodney Brown <RodneyBrown@mynd.com>
1347 * print-rtl.c (print_rtx_head): Constify.
1348 * rtl.h (print_rtx_head): Similarly.
1350 * config/pa/pa/pa-protos.h (output_64bit_and, output_64bit_ior):
1351 Constify char * return value.
1353 (output_64bit_and, output_64bit_ior): Constify char * return value.
1354 (pa_can_combine_p): Make static.
1355 (function_arg): Decorate unused `named' argument. Fix comment typo.
1356 (function_arg_partial_nregs): Decorate unused `named' argument.
1358 2000-10-16 Joseph S. Myers <jsm28@cam.ac.uk>
1360 * c-common.c (format_check_results): New structure.
1361 (finish_dollar_format_checking): Adjust to take a
1362 format_check_results * parameter.
1363 (check_format_info, check_format_info_recurse,
1364 check_format_info_main): Split check_format_info into three
1365 functions, the main checking going in check_format_info_main.
1366 Recurse when any reduction of the format string argument towards a
1367 string literal is done; go down both branches of a conditional
1368 expression. Don't warn for extra format arguments or empty format
1369 strings if they only occur in some branches of a conditional
1372 2000-10-16 Kazu Hirata <kazu@hxi.com>
1374 * config/h8300/h8300.c: Remove obstack. Include ggc.h.
1376 2000-10-16 Jakub Jelinek <jakub@redhat.com>
1378 * rtlanal.c (may_trap_p): Check operand modes of COMPARE.
1380 2000-10-15 Diego Novillo <dnovillo@cygnus.com>
1382 * i386.md (*movsi_or): Switch operand order for intel syntax.
1384 2000-10-14 Joseph S. Myers <jsm28@cam.ac.uk>
1388 * gcc.texi (Contributing): Update.
1390 2000-10-13 Diego Novillo <dnovillo@cygnus.com>
1392 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Output final jump using
1393 appropriate assembler dialect.
1395 2000-10-13 Alexandre Oliva <aoliva@redhat.com>
1397 * c-common.c (c_expand_builtin): PARAMS-ize prototype.
1399 2000-10-12 Marek Michalkiewicz <marekm@linux.org.pl>
1401 * config/avr/avr.c (output_movhi, output_movsisf): Fix loading
1402 constants 1 and 2 to NO_LD_REGS.
1404 2000-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1406 * Makefile.in (c-parse.c, tradcif.c): Create atomically.
1408 * objc/Make-lang.in (objc-parse.c): Likewise.
1410 2000-10-13 Richard Earnshaw <rearnsha@arm.com>
1412 * arm.c: Include obstack.h
1413 (minipool_obstack, minipool_startobj): Define.
1414 (arm_add_gc_roots): Initialize them.
1415 (create_fix_barrier): Use our new obstack.
1416 (push_minipool_barrier, push_minipool_fix): Likewise.
1417 (arm_reorg): Release obstack memory.
1419 2000-10-13 Jakub Jelinek <jakub@redhat.com>
1421 * config/sparc/sparc.md (nonlocal_goto_receiver): Remove.
1422 (prologue, exception_receiver, builtin_setjmp_receiver): New
1424 * config/sparc/sparc.h (FINALIZE_PIC): Remove.
1425 * config/sparc/sparc-protos.h (finalize_pic): Remove.
1426 (load_pic_register): New prototype.
1427 * config/sparc/sparc.c (pic_setup_code): Remove.
1428 (finalize_pic): Rename to...
1429 (load_pic_register): ...this function.
1430 Don't look for nonlocal_goto_receivers and emit pic setup code
1431 directly. Don't check current_function_uses_pic_offset_table.
1433 2000-10-13 Richard Earnshaw <rearnsha@arm.com>
1435 * tree.h (struct obstack): Declare.
1437 2000-10-12 Mark Mitchell <mark@codesourcery.com>
1440 * Makefile.in (ggc-callbacks.o): Remove target.
1441 (flow.o): Depend on GGC_H.
1442 * alias.c (init_alias_analysis):
1443 Remove ggc_p conditionals.
1444 (end_alias_analysis): Likewise.
1445 * basic-block.h (init_flow): New function.
1446 (allocate_reg_life_data): Declare.
1447 * bb-reorder.c (function_obstack): Replace with ...
1448 (flow_obstack): ... new variable.
1449 (fixup_reorder_chain): Use it.
1450 * c-decl.c (ggc_p): Remove.
1451 (caller-save.c): Don't call oballoc/obfree.
1453 undobuf): Remove storage.
1454 (try_combine): Don't call oballoc.
1455 (undo_all): Don't call obfree.
1456 * cse.c (insert): Use xmalloc, not
1458 (cse_main): Adjust accordingly.
1459 * dwarf2out.c (save_rtx): Remove
1461 (dwarf2out_init): Remove ggc_p conditionals.
1462 * emit-rtl.c (rtl_obstack): Remove.
1463 (gen_rtx_CONST_INT): Remove ggc_p conditionals.
1464 (make_insn_raw): Likewise.
1465 (emit_insn_before): Likewise.
1466 (emit_insn_after): Likewise.
1467 (emit_insn): Likewise.
1468 (gen_sequence): Likewise.
1469 (copy_insn_1): Remove handling of `b' RTL components.
1470 (init_emit_once): Remove ggc_p conditionals.
1471 * except.c (create_rethrow_ref): Don't fool with obstacks.
1472 (add_partial_entry): Likewise.
1473 (call_get_eh_context): Likewise.
1474 (begin_protect_partials): Likewise.
1475 (protect_with_terminate): Likewise.
1477 (plus_constant_wide): Likewise.
1478 * expr.c (init_expr_once):
1480 (emit_block_move): Likewise.
1481 (clear_storage): Likewise.
1482 (expand_expr): Likewise.
1483 * flow.c (function_obstack): Remove.
1484 (flow_obstack): New variable.
1485 (flow_firstobj): Likewise.
1486 (create_base_block): Use the flow_obstack.
1487 (split_block): Likewise.
1488 (split_edge): Likewise.
1489 (calculate_global_regs_live): Likewise.
1490 (allocate_bb_life_data): Make it static. Likewiwse.
1491 (init_flow): New function.
1492 (size_int_type_wide): Remove ggc_p conditionals.
1494 (push_function_context_to): Don't call save_tree_status.
1495 (pop_function_context_from): Or restore_tree_status.
1496 (assign_stack_local_1): Don't call push_obstacks.
1497 (find_fixup_replacement): Use xmalloc.
1498 (fixup_var_refs_insns): Free the storage.
1499 (insns_for_mem_walk): Don't mess with obstacks.
1500 (instantiate_decls): Likewise.
1501 (trampoline_address): Likewise.
1502 (expand_function_end): Likewise.
1503 * function.h (sturct function):
1504 Remove obstack-related variables.
1505 (save_tree_status): Don't declare.
1506 (restore_tree_status): Likewise.
1507 * gcse.c (compute_can_copy):
1508 Don't call oballoc/obfree.
1509 * genattrtab.c (operate_exp): Remove
1511 (simplify_cond): Likewise.
1512 (simplify_test_exp): Don't mess with obstacks.
1513 (optimize_attrs): Likewise.
1514 * gengenrtl.c (gendef): Don't include
1516 * ggc-callbacks.c (ggc_p): Remove.
1517 * ggc-none.c (ggc_p): Remove.
1518 * ggc.h (ggc_p): Don't declare.
1519 * integrate.c (save_for_inline): Don't mess with obstacks.
1520 (integrate_decl_tree): Likewise.
1521 (output_inline_function): Likewise.
1523 (init_EXPR_INSN_LIST_cache): Likewise.
1524 * loop.c (temp_obstack):
1526 (rtl_obstack): Likewise.
1527 (init_loop): Don't mess with obstacks.
1528 (reg_address_cost): Free BIVs and GIVs.
1529 (check_insns_for_bivs): Use xmalloc, not oballoc.
1530 (find_mem_givs): Likewise.
1531 (record_biv): Likewise.
1532 (general_induction_var): Likewise.
1533 (product_cheap_p): Likewse.
1534 * optabs.c (init_one_libfunc): Remove
1536 * print-tree.c (debug_tree): Don't use
1538 (print_node): Likewise.
1539 * profile.c (output_func_start_profiler):
1540 Remove call to temporary_allocation.
1542 (eliminate_regs_in_insn): Don't mess with obstacks.
1544 (mark_target_live_regs): Use xmalloc.
1545 (free_resource_info): Free the memory.
1546 * rtl.c (rtl_obstack):
1548 (rtvec_alloc): Don't mess with obstacks.
1549 (rtx_alloc): Likewise.
1551 (copy_rtx): Don't handle `b' cases.
1552 (read_rtx): Use a local rtl_obstack.
1553 * rtl.h (oballoc): Remove.
1555 (pop_obstacks): Likewise.
1556 (push_obstacks): Likewise.
1557 (allocate_bb_life_data): Likewise.
1558 (allocate_reg_life_data): Likewise.
1559 (rtx_free): Likewise.
1560 * sdbout.c (sdbout_queue_anonymous_type):
1561 Use tree_cons, not saveable_tree_cons.
1563 (cselib_init): Don't mess with obstacks.
1565 (mark_block_nesting): Mark the label_chain.
1566 (epxand_label): Use ggc_alloc, not oballoc.
1567 (clear_last_expr): Don't mess with obstacks.
1568 (expand_decl_cleanup): Likewise.
1569 (expand_dcc_cleanup): Likewise.
1570 (expand_dhc_cleanup): Likewise.
1571 (expand_anon_union_decl): Likewise.
1572 (add_case_node): Use xmalloc, not oballoc.
1573 (free_case_nodes): New function.
1574 (expand_end_case): Call it.
1575 * stor-layout.c (layout_type): Don't
1577 (layout_type): Likewise.
1578 * toplev.c (wrapup_global_declarations):
1580 (compile_file): Remove ggc_p conditionals.
1581 (rest_of_compilation): Call init_flow. Remove ggc_p conditionals.
1582 (decode_f_option): Remove ggc_p conditionals.
1584 (function_maybepermanent_obstack): Remove.
1585 (maybepermanent_obstack): Likewise.
1586 (function_obstack): Likewise.
1587 (tmeporary_obstack): Likewise.
1588 (momentary_obstack): Likewise.
1589 (temp_decl_obstack): Likewise.
1590 (saveable_obstack): Likewise.
1591 (rtl_obstack): Likewise.
1592 (current_obstack): Likewise.
1593 (expression_obstack): Likewise.
1594 (struct obstack_stack): Likewise.
1595 (obstack_stack): Likewise.
1596 (obstack_stack_obstack): Likewise.
1597 (maybepermanent_firstobj): Likewise.
1598 (temporary_firstobj): Likewise.
1599 (momentary_firstobj): Likewise.
1600 (temp_decl_firstobj): Likewise.
1601 (momentary_function_firstobj): Likewise.
1602 (all_types_permanent): Likewise.
1603 (struct momentary_level): Likewise.
1604 (momentary_stack): Likewise.
1605 (init_obstacks): Remove initialization of removed obstacks.
1606 (save_tree_status): Remove.
1607 (restore_tree_status): Likewise.
1608 (temporary_allocation): Liekwise.
1609 (end_temporary_allocation): Liekwise.
1610 (resume_temporary_allocation): Likewise.
1611 (saveable_allocation): Likewise.
1612 (push_obstacks): Likewise.
1613 (push_obstacks_nochange): Likewise.
1614 (pop_obstacks): Likewise.
1615 (allocation_temporary_p): Likewise.
1616 (permanent_allocation): Likewise.
1617 (preserve_data): Likewise.
1618 (preserve_initializer): Likewise.
1619 (rtl_in_current_obstack): Likewise.
1620 (rtl_in_saveable_obstack): Likewise.
1621 (oballoc): Likewise.
1623 (savealloc): Likewise.
1624 (expralloc): Likewise.
1625 (print_obstack_name): Likewise.
1626 (debug_obstack): Likewise.
1627 (object_permanent_p): Likewise.
1628 (push_momentary): Likewise.
1629 (perserve_momentary): Likewise.
1630 (clear_momentary): Likewise.
1631 (pop_momentary): Likewise.
1632 (pop_momentary_nofree): Likewise.
1633 (suspend_momentary): Likewise.
1634 (resume_momentary): Likewise.
1635 (make_node): Don't set TREE_PERMANENT.
1636 (copy_node): Remove ggc_p conditionals. Don't set TYPE_OBSTACK.
1637 Don't set TREE_PERMANENT.
1638 (get_identifier): Remove ggc_p conditionals.
1639 (build_string): Likewise.
1640 (make_tree_vec): Likewise.
1641 (build_decl_list): Remove.
1642 (build_expr_list): Likewise.
1643 (tree_cons): Remove ggc_p conditionals.
1644 (decl_tree_cons): Remove.
1645 (expr_tree_cons): Likewise.
1646 (perm_tree_cons): Likewise.
1647 (temp_tree_cons): Likewise.
1648 (saveable_tree_cons): Likewise.
1649 (build1): Remove ggc_p conditionals.
1650 (build_parse_node): Likewise.
1651 (build_type_attribute_variant): Don't mess with obstacks.
1652 (build_type_copy): Likewise.
1653 (type_hash_canon): Likewise.
1654 (build_pointer_type): Likewise.
1655 (build_reference_type): Likewise.
1656 (build_index_type): Likewise.
1657 (build_range_type): Likewise.
1658 (dump_tree_statistics): Don't print obstack information.
1660 (struct tree_common): Remove permanent_flag.
1661 (TREE_PERMANENT): Remove.
1662 (TREE_SET_PERMANENT): Likewise.
1663 (TYPE_OBSTACK): Likewise.
1664 (struct tree_type): Remove obstack.
1666 (savealloc): Likewise.
1667 (build_decl_list): Likewise.
1668 (build_expr_list): Likewise.
1669 (perm_tree_cons): Likewise.
1670 (temp_tree_cons): Likewise.
1671 (saveable_tree_cons): Likewise.
1672 (decl_tree_cons): Likewise.
1673 (expr_tree_cons): Likewise.
1674 (suspend_momentary): Likewise.
1675 (allocation_temporary_p): Likewise.
1676 (resume_momentary): Likewise.
1677 (push_obstacks_nochange): Likewise.
1678 (permanent_allocation): Likewise.
1679 (push_momentary): Likewise.
1680 (clear_momentary): Likewise.
1681 (pop_momentary): Likewise.
1682 (end_temporary_allocation): Likewise.
1683 (pop_obstacks): Likewise.
1684 (push_obstacks): Likewise.
1685 (pop_momentary_nofree): LIkewise.
1686 (preserve_momentary): Likewise.
1687 (saveable_allocation): Likewise.
1688 (temporary_allocation): Likewise.
1689 (resume_temporary_allocation): Likewise.
1690 (perserve_initializer): Likewise.
1691 (debug_obstack): Likewise.
1692 (rtl_in_current_obstack): Likewise.
1693 (rtl_in_saveable_obstack): Likewise.
1695 * varasm.c (current_obstack): Remove.
1696 (saveable_obstack): Remove.
1697 (rtl_obstack): Remove.
1698 (immed_double_const): Don't mess with obstacks.
1699 (immed_real_cons): Likewise.
1700 (output_constant_def): Likewise.
1701 (init_varasm_status): Use xcalloc.
1702 (mark_pool_constant): Mark the pool constant itself.
1703 (free_varasm_status): Free memory.
1704 (decode_rtx_const): Call bzero directly, rather than expanding it
1706 (record_rtx_const): Don't mess with obstacks.
1707 (force_const_mem): Likewise.
1708 * config/arm/arm.c (arm_encode_call_attribute): Remove ggc_p
1710 (aof_pic_entry): Likewise.
1711 * config/ia64/ia64.c (ia64_encode_section_info): Likewise.
1712 * config/m32r/m32r.c (m32r_encode_section_info): Likewise.
1713 * config/pa/pa.c (saveable_obstack): Remove.
1714 (rtl_obstack): Likewise.
1715 (current_obstack): Likewise.
1716 (output_call): Don't mess with obstacks.
1717 (hppa_encode_label): Remove ggc_p conditionals.
1718 * config/romp/romp.c (get_symref): Don't mess with obstacks.
1719 * config/rs6000/rs6000.c (output_toc): Remove ggc_p conditional.
1720 (rs6000_encode_section_info): Likewise.
1721 * config/sh/sh.c (get_fpscr_rtx): Likewise.
1723 Thu Oct 12 16:02:31 MET DST 2000 Jan Hubicka <jh@suse.cz>
1725 * i386.md (adddi3, subdi3 splitters): Update for new pattern.
1726 (addsi3_cc, addqi3_cc, subsi3_cc): Remove
1727 (addsi3_carry): Canonicalize.
1728 (addqi_5): Remove '*'.
1729 (sbb pattern): Canonicalize.
1731 * i386.md (cmp to inc/add peep2): New.
1733 2000-10-12 Richard Earnshaw <rearnsha@arm.com>
1735 * bb-reorder.c (reorder_basic_blocks): Allocate an aux block for
1738 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
1740 * gcc.texi: Merge in contents of README.TRAD and TESTS.FLUNK.
1741 * README.TRAD, TESTS.FLUNK: Remove.
1743 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
1745 * c-common.c (decl_attributes): Don't allow strftime formats with
1746 first_arg_num nonzero.
1747 (check_format_info): Set wanted_type and wanted_type_name to zero
1748 before they are possibly assigned and used.
1750 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
1752 * c-common.c (scanf_flag_specs): Add flags ' and I.
1753 (strftime_flag_pairs): Disallow any pair of the _, - and 0 flags,
1754 or the ^ and # flags together.
1755 (scan_char_table): Handle the ' and I flags.
1756 (format_types): Add ' and I flags for scanf.
1758 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
1760 * c-common.c (print_char_table): Use the unpromoted type for
1761 lengths "h" and "hh" with conversions dioxXu.
1762 (check_format_types): Apply the default argument promotions where
1763 the wanted type is not a pointer target.
1765 2000-10-11 Michael Meeks <mmeeks@gnu.org>
1766 Joseph S. Myers <jsm28@cam.ac.uk>
1768 * c-typeck.c (check_modify_expr): New function.
1769 (build_modify_expr): Call it if warn_sequence_point.
1770 * c-decl.c (warn_sequence_point): New variable.
1771 (c_decode_option): Handle -Wsequence-point and
1772 -Wno-sequence-point. Enable -Wsequence-point as part of -Wall.
1773 * c-tree.h (warn_sequence_point): Declare.
1774 * invoke.texi (-Wsequence-point): Document.
1775 * toplev.c (documented_lang_options): Add -Wsequence-point and
1776 -Wno-sequence-point.
1777 Original work by Michael Meeks, 16 Jun 1998.
1779 Wed Oct 11 06:15:41 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1781 * tree.c (get_narrower): Don't look at precision of field if
1784 Tue Oct 10 23:14:33 2000 Denis Chertykov <denisc@overta.ru>
1786 * config/avr/avr.c (valid_machine_decl_attribute): Allow `extern'
1787 declaration for data with "progmem" attribute.
1789 2000-10-09 Marek Michalkiewicz <marekm@linux.org.pl>
1791 * config/avr/avr.c (out_shift_with_cnt): Use AS2 macro.
1792 Correct insn length if shift count is a memory operand.
1793 * config/avr/avr.md: New define_peephole2 to use *reload_inqi.
1794 (*iorhi3_clobber): Change lo8 to hi8.
1795 (zero_extendhisi2): Change %B0 to %A1.
1796 (ashlhi3, ashrhi3): Correct insn length.
1797 (andhi3, abssf2, extendqisi2, extendhisi2): Change "cc"
1798 from "clobber" to "set_n" in some alternatives.
1800 2000-10-10 Jakub Jelinek <jakub@redhat.com>
1802 * reload1.c (calculate_needs_all_insns): If deleting an instruction,
1803 remove its insn_chain structure as well.
1805 2000-10-09 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1807 * dbxout.c (dbxout_source_line): Remove extra tab.
1809 2000-10-09 Hans-Peter Nilsson <hp@bitrange.com>
1811 * config/elfos.h (UNIQUE_SECTION): Apply STRIP_NAME_ENCODING on name.
1813 2000-10-09 Richard Henderson <rth@cygnus.com>
1815 * Makefile.in (LANG_LIB2FUNCS): Remove.
1816 (LIB2FUNCS): Remove _pure.
1817 (LIB2ADD): Remove LANG_LIB2FUNCS.
1818 (stage_a): Don't set LANG_LIB2FUNCS.
1819 * libgcc2.c (__terminate): Mark noreturn.
1820 (__pure_virtual): Remove.
1821 * mklibgcc.in: Remove LIB2ADD .txt processing.
1823 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
1825 * arm.md (push_multi): Revert unintended change.
1827 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
1829 * arm.c: Miscellaneous white space and comment clean-ups. No
1833 2000-10-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1835 * c-common.c (c_expand_builtin_printf): Set the TREE_TYPE of a new
1836 STRING_CST by calling combine_strings.
1838 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
1840 * arm.c (thumb_expand_movstrqi): Rewrite to support SSA form.
1841 (thumb_output_move_mem_multiple): Support new insn format.
1842 * arm.md (movmem12b): Use SSA compatible format.
1843 (movmem8b): Likewise.
1845 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
1847 * arm.md (predicable): New attribute, default to "no".
1848 (all patterns): Mark as predicable if appropriate.
1849 (conditional execution splits): Split using predication format.
1850 (define_cond_exec): Define.
1851 * arm.c (arm_print_operand): handle insn predicate.
1853 2000-10-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1855 * README.NS32K: Remove file.
1857 2000-10-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1859 * README-bugs: Remove file.
1861 2000-10-08 Philipp Thomas <pthomas@suse.de>
1862 * aclocal.m4 (AM_GNU_GETTEXT): Fix non portable use of == operator
1864 * configure: Rebuilt.
1866 2000-10-08 Philipp Thomas <pthomas@suse.de>
1867 * aclocal.m4 (AM_WITH_NLS): When not using included gettext,
1868 disable catalog building if no suitable program was found.
1869 Move warning message from here
1870 (AM_GNU_GETTEXT): To here.
1871 * configure: Rebuilt.
1873 2000-10-08 Philipp Thomas <pthomas@suse.de>
1874 * aclocal.m4 (GCC_PATH_PROG): New. Like AC_PATH_PROG but uses
1875 different cache variables.
1876 (GCC_PATH_PROG_WITH_TEST): New. Like AM_PATH_PROG_WITH_TEST but
1877 uses different cache variables.
1878 (AM_WITH_NLS): Use GCC_PATH_PROG and GCC_PATH_PROG_WITH_TEST.
1879 * configure: Regenerated.
1881 2000-10-08 Richard Henderson <rth@cygnus.com>
1883 * Makefile.in (libgcc.mk): Pass SHLIB_EXT, not SHLIB_LIBS.
1884 * configure.in (sparc*-*-solaris*): Use t-slibgcc{,-sld}.
1885 * mklibgcc.in: Consider SHLIB_LINK the entire shlib build command.
1888 * config/t-linux (SHLIB_EXT): New.
1889 (SHLIB_LINK): Use the entire build command, with substitutions.
1890 (SHLIB_LIBS): Remove.
1891 * config/alpha/t-osf4: Likewise.
1892 * config/mips/t-iris6: Likewise.
1893 * config/sparc/t-sol2: Likewise, but move shlib stuff...
1894 * config/sparc/t-slibgcc-sld: ...here.
1895 * config/sparc/t-slibgcc: New file.
1897 2000-10-08 Joseph S. Myers <jsm28@cam.ac.uk>
1899 * tm.texi (INTMAX_TYPE, UINTMAX_TYPE): Define.
1900 * c-common.h (enum c_tree_index): Add CTI_INTMAX_TYPE and
1902 (intmax_type_node, uintmax_type_node): Define.
1903 * c-common.c (decl_attributes): If pedantic, warn if `mode'
1904 attributes create a type wider than intmax_t.
1905 (T_IM, T_UIM): Define properly.
1906 * c-decl.c (INTMAX_TYPE, UINTMAX_TYPE): Define if not already
1908 (init_decl_processing): Initialize intmax_type_node and
1910 * c-lex.c (lex_number): When pedantic and warning for integer
1911 constants that are too large, in C99 mode warn for those that have
1912 a type wider than long long.
1914 2000-10-08 Joseph S. Myers <jsm28@cam.ac.uk>
1916 * c-common.c (FMT_FLAG_ARG_CONVERT, FMT_FLAG_SCANF_A_KLUDGE,
1917 FMT_FLAG_FANCY_PERCENT_OK): Define.
1918 (format_char_info): Add flag "4" to comment.
1919 (format_flag_spec, format_flag_pair): New structures.
1920 (format_kind_info): Add additional fields to control format
1922 (printf_flag_specs, printf_flag_pairs, scanf_flag_specs,
1923 scanf_flag_pairs, strftime_flag_specs, strftime_flag_pairs): New
1925 (time_char_table): Use "4" flag to handle %Ey.
1926 (format_types): Add entries for new fields.
1927 (get_flag_spec): New function.
1928 (check_format_info): Increase size of flag_chars[] to 256.
1929 Control format checking using the new fields of a format_kind_info
1930 and the new tables; remove all conditionals on printf_format_type,
1931 scanf_format_type or strftime_format_type. Handle all details of
1932 bad combinations of flags (including width, precision and strftime
1933 modifiers) through data rather than ad hoc code. Handle all
1934 details of standard versions in which flags appeared through
1935 data. Use the "4" flag.
1937 2000-10-07 Will Cohen <wcohen@redhat.com>, Kazu Hirata <kazu@hxi.com>
1939 * config/h8300/h8300.md: Remove the memory alternative and correct
1940 the insn lengths in the templates for sign extention and zero
1943 2000-10-07 Richard Henderson <rth@cygnus.com>
1945 * calls.c (expand_call): Disallow sibcalls to noreturn functions.
1946 * flow.c (make_edges): Revert last change.
1948 * config/alpha/alpha.h (FUNCTION_OK_FOR_SIBCALL): Don't test
1950 * config/pa/pa.h (FUNCTION_OK_FOR_SIBCALL): Likewise.
1952 2000-10-06 David O'Brien <obrien@dragon.nuxi.com>
1954 * config/alpha/elf.h: Standardize the formatting.
1956 2000-10-06 David O'Brien <obrien@FreeBSD.org>
1958 * config/alpha/elf.h: Protect the ASM_OUTPUT_IDENT definition with an
1961 2000-10-06 Richard Henderson <rth@cygnus.com>
1963 * function.c (diddle_return_value): Examine
1964 current_function_return_rtx instead of the DECL_RESULT.
1965 (expand_function_end): Handle reloading DECL_RESULT from memory
1966 into a hard register. Query promote_mode for sign of mismatched
1969 2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
1971 * haifa-sched.c (schedule_insns): Fix typo in freeing
1972 forward_dependency_cache.
1974 2000-10-06 Alexandre Oliva <aoliva@redhat.com>
1976 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): Add
1977 `TARGET_SH2' as a condition.
1979 2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
1981 * haifa-sched.c (anti_dependency_cache, output_dependency_cache,
1982 forward_dependency_cache): New variables.
1983 (add_dependence, remove_dependence): Use anti_dependency_cache and
1984 output_dependency_cache.
1985 (compute_block_forward_dependences): Use forward_dependency_cache.
1986 (schedule_insns): Allocate and free memory for anti/output/forward
1987 dependencies caches.
1989 2000-10-06 Alexandre Oliva <aoliva@redhat.com>
1991 * config/sh/sh.md (call, call_value): Use `TARGET_SH2' instead of
1992 `! TARGET_SH1'. Reindent.
1994 2000-10-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1996 * builtins.c (is_valid_printf_arglist, expand_builtin_printf):
1997 Move functions from here ...
1999 * c-common.c (is_valid_printf_arglist, c_expand_builtin_printf):
2001 (c_expand_builtin): New function.
2002 (init_function_format_info): Don't set `check_function_format_ptr'.
2003 (c_common_nodes_and_builtins): Set built_in_class type for
2004 printf/__builtin_printf to BUILT_IN_FRONTEND.
2005 (c_expand_expr): Handle CALL_EXPRs that are front-end builtins.
2007 * c-common.h (build_function_call): Declare.
2009 * expr.c (expand_expr): Pass builtins with class BUILT_IN_FRONTEND
2010 to `lang_expand_expr' rather than `expand_builtin'.
2012 * tree.c (check_function_format_ptr): Delete.
2014 * tree.h (check_function_format_ptr): Likewise.
2016 2000-10-06 Hans-Peter Nilsson <hp@bitrange.com>
2018 * dwarf2out.c (build_cfa_loc): Correct to use DW_OP_regx or
2019 DW_OP_bregx when cfa->reg > 31.
2021 * frame-dwarf2.c (decode_stack_op) [case DW_OP_regx]: Add missing
2024 2000-10-05 Richard Henderson <rth@cygnus.com>
2026 * c-decl.c (warn_missing_noreturn): Remove.
2027 (c_expand_body): Don't set or check can_reach_end.
2028 * c-tree.h (warn_missing_noreturn): Move ...
2029 * flags.h: ... here.
2030 (can_reach_end): Remove.
2031 * flow.c (check_function_return_warnings): New.
2032 (make_edges): No edge to exit for noreturn sibcalls.
2033 * function.c (expand_function_end): Save the return value
2034 clobber instruction.
2035 (mark_function_status): Mark it.
2036 * function.h (struct function): Add x_clobber_return_insn.
2037 * jump.c (can_reach_end): Remove.
2038 (calculate_can_reach_end): Remove.
2039 (jump_optimize_1): Don't call it.
2040 * output.h (check_function_return_warnings): Declare.
2041 * toplev.c (warn_missing_noreturn): Move from c-decl.c
2042 (rest_of_compilation): Call check_function_return_warnings.
2044 2000-10-05 Richard Henderson <rth@cygnus.com>
2046 * Makefile.in (NM_FOR_TARGET): New.
2047 (libgcc.mk): Pass SHLIB_MKMAP, SHLIB_MAPFILES.
2048 (libgcc.a, stmp-multilib): Pass NM_FOR_TARGET.
2049 * mklibgcc.in: If SHLIB_MKMAP, build libgcc.map. Depend the
2050 shared library build on that and EXTRA_MULTILIB_PARTS.
2051 * mkmap-flat.awk: New file.
2052 * mkmap-symver.awk: New file.
2053 * libgcc-std.ver: New file.
2054 * config/libgcc-glibc.ver: New file.
2055 * config/ia64/libgcc-ia64.ver: New file.
2056 * config/t-linux (SHLIB_MKMAP, SHLIB_MAPFILES): New.
2057 (SHLIB_LINK): Add --version-script.
2058 * config/ia64/t-ia64 (SHLIB_MAPFILES): Add libgcc-ia64.ver.
2059 * config/mips/t-iris6 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
2060 * config/sparc/t-sol2 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
2061 (SHLIB_LINK): Add -M.
2063 2000-10-05 Richard Henderson <rth@cygnus.com>
2065 * Makefile.in (LIB2FUNCS): Add _clz.
2066 * libgcc2.c (__ffsdi2): Use count_trailing_zeros.
2067 (__clz_tab): Put in its own unit, non-static.
2068 * libgcc2.h: Always include longlong.h.
2070 * longlong.h [alpha] (count_leading_zeros): Use cmpbge with
2071 a zero instead of -1.
2072 (count_trailing_zeros): Likewise.
2074 2000-10-05 Richard Henderson <rth@cygnus.com>
2076 * config/alpha/alpha.c (alpha_emit_setcc): Don't swap GT tests
2077 when second op1 is const0_rtx. Validate op0 as a register.
2078 * config/alpha/alpha.md (setcc_internal): Don't allow constants
2079 in the first argument of the compare.
2080 (setcc_swapped_internal): Likewise.
2081 (setne_internal): Likewise.
2083 2000-10-05 Geoff Keating <geoffk@cygnus.com>
2085 * tree.c (tree_size): New function split out of copy_node.
2086 (make_node): Remove obstack handling. Use tree_size.
2087 (copy_node): Use tree_size.
2088 * tree.h: Prototype tree_size.
2090 2000-10-05 Richard Henderson <rth@cygnus.com>
2092 * diagnostic.c (output_format): Add missing break.
2094 2000-10-05 Jim Wilson <wilson@cygnus.com>
2096 * function.c (fixup_var_refs_1, case SET): When gen_move_insn returns a
2097 SEQUENCE, call emit_insn_before, copy PATTERN and REG_NOTES of last
2098 sequence insn to INSN, and delete last sequence insn.
2100 2000-10-05 Phil Edwards <pme@gcc.gnu.org>
2102 * gcc.c (main): Include generated configargs.h header
2103 and use arguments in '-v' output.
2105 Thu Oct 5 16:16:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2107 * gcc.c: Move data on prefixes forward in file and reorganize.
2108 (md_exec_prefix, md_startfile_prefix, md_startfile_prefix_1):
2109 Always define, but make null if no value.
2110 (static_specs): Add "md_exec_prefix", "md_startfile_prefix",
2111 and "md_startfile_prefix_1".
2112 (main): Check whether md_exec_prefix and the others are the
2113 null string rather than whether the macro is defined.
2115 Thu Oct 5 19:04:18 2000 J"orn Rennecke <amylaar@redhat.co.uk>
2117 * (convert_move): Use zero_extendpsisi2 to do an unsigned extension
2118 from PSImode to SImode.
2120 2000-10-05 Jakub Jelinek <jakub@redhat.com>
2122 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETICS]: Fix conversion
2123 from float to integral mode with HOST_BITS_PER_WIDE_INT 64.
2124 * dwarf2out.c (add_const_value_attribute): Divide by 4, not
2127 Thu Oct 5 09:31:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2129 * fold-const.c (fold, case MINUS_EXPR, case EQ_EXPR): Perform
2130 negation in proper type.a
2132 2000-10-04 Richard Henderson <rth@cygnus.com>
2134 * configure.in (enable-shared): New.
2135 * Makefile.in (LIBGCC_DEPS): Depend on EXTRA_PARTS as well.
2136 (libgcc.mk): Pass SHLIB_LINK, SHLIB_LIBS, SHLIB_MULTILIB to mklibgcc.
2137 * mklibgcc.in: Use them to link shared a libgcc.
2138 * config/t-linux (SHLIB_LINK, SHLIB_LIBS): New.
2139 * config/alpha/t-ieee (SHLIB_MULTILIB): New.
2140 * config/mips/t-iris6 (SHLIB_LINK, SHLIB_LIBS): New.
2141 * config/sparc/t-sol2 (SHLIB_LINK, SHLIB_LIBS): New.
2143 * configure.in (alpha-osf*): Use t-osf and x-osf.
2144 * config/alpha/t-osf: New file.
2145 * config/alpha/t-osf4: New file.
2146 * config/alpha/x-osf: New file.
2147 * config/alpha/x-alpha: Remove file.
2149 2000-10-04 Will Cohen <wcohen@redhat.com>
2151 * c-typeck.c (process_init_element): Added warning for zero-length
2154 * extend.texi (Zero Length): State that static initializers for
2155 zero-length arrays are not allowed.
2157 Mon Oct 2 14:50:14 MET DST 2000 Jan Hubicka <jh@suse.cz>
2159 * rtlanal.c (single_set_1): Do not require USE and CLOBBERs
2162 2000-10-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2164 * config/float-c4x.h: New.
2165 * configure.in (c4x-*): Set float_format to c4x.
2166 * configure: Regenerate.
2168 2000-10-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2170 * configure.in (sparc-*-solaris2*): Disable 32-to-64 cross
2171 compilation for solaris versions 2.7 and greater.
2173 2000-10-02 Marc Espie <espie@openbsd.org>
2175 * config/alpha.h (WORD_SWITCH_TAKES_ARG): add -rpath to default,
2176 instead of redefining from scratch.
2178 2000-10-02 David O'Brien <obrien@dragon.nuxi.com>
2180 * config/i386/freebsd.h (NO_PROFILE_COUNTERS): Define.
2182 2000-10-01 Mark Mitchell <mark@codesourcery.com>
2184 * config/ns32k/genix.h: Remove.
2185 * config/ns32k/x-genix: Likewise.
2186 * config/ns32k/xm-genix.h: Likewise.
2187 * config/fx80: Remove all filee in directory.
2188 * config/pyr: Likewise.
2189 * config/tahoe: Likewise.
2190 * config/gmicro: Likewise.
2191 * config/spur: Likewise.
2192 * configure.in: Remove configury bits for above targets.
2193 * configure: Regenerated.
2195 * configure.in: Don't configure chill by default.
2196 * configure: Regenerated.
2198 * c-decl.c (c_expand_body): Don't generate RTL if flag_syntax_only.
2199 (lang_mark_false_label_stack): Remove.
2200 * c-lex.c (init_c_lex): Add file_info_tree as GC root. Allocate
2201 <top level> string in GC area.
2202 (mark_splay_tree_node): New function.
2203 (mark_splay_tree): Likewise.
2204 * except.c (mark_eh_status): Only call lang_mark_false_label_stack
2206 * ggc-callbacks.c (lang_mark_false_label_stack): Remove.
2207 * ggc-common.c (lang_mark_false_label_stack): Change type.
2208 * ggc.h (ggc_alloc_string): Add comment.
2209 (ggc_strdup): New function.
2211 Sat Sep 23 19:10:20 2000 Denis Chertykov <denisc@overta.ru>
2213 * config/avr/avr.h (BRANCH_COST): Define as 0.
2215 * config/pdp11/pdp11.c: #include "tree.h" added.
2217 2000-09-30 Marek Michalkiewicz <marekm@linux.org.pl>
2219 * config/avr/avr.c (ashlhi3_out, ashlsi3_out, ashrhi3_out,
2220 ashrsi3_out, lshrhi3_out, lshrsi3_out): Optimize more cases
2221 with known shift count.
2222 * config/avr/avr.md (ashlsi3, ashrsi3, lshrsi3):
2223 New alternative for shift count 2 with no scratch register.
2224 (ashlhi3, ashlsi3): Change "cc" attribute from "clobber" to
2225 "set_n" for shift counts 1 and 2.
2227 2000-09-30 Geoff Keating <geoffk@cygnus.com>
2229 * config/rs6000/rs6000.md (movsi_to_cr): Remove the USE. Calculate
2230 the mask value from the individual SET operations.
2231 (return_internal_si): Move the USE after the RETURN.
2232 (return_internal_di): Likewise.
2233 (return_and_restore_fpregs_si): Likewise.
2234 (return_and_restore_fpregs_di): Likewise.
2235 (return_eh_si): Likewise.
2236 (return_eh_di): Likewise.
2237 * config/rs6000/rs6000.c (mtcrf_operation): Don't look for,
2239 (rs6000_emit_prologue): Don't emit the USE for movsi_to_cr.
2240 Don't generate a PARALLEL around a single operation movsi_to_cr.
2241 Generate the RETURN first in any PARALLELs.
2243 * rtlanal.c (single_set_1): Use fatal_insn to display the
2244 invalid insn. Check for more cases when a USE or CLOBBER occurs
2246 * Makefile.in: Update dependencies for rtlanal.o.
2248 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
2250 * i386.c: Move include of "config.h" to before that of <setjmp.h>.
2252 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
2254 * c-tree.texi, contrib.texi, gcc.texi, install.texi, invoke.texi:
2255 Consistently use @email for formatting email addresses.
2257 2000-09-29 Richard Henderson <rth@cygnus.com>
2259 * cse.c (notreg_cost): New argument outer.
2260 (COST): Pass in SET to notreg_cost
2262 (fold_rtx): Use COST_IN. Prefer constants when costs
2265 2000-09-29 David Edelsohn <edelsohn@gnu.org>
2267 * fixinc/inclhack.def (broken_cabs): Generalize regex.
2268 * fixinc/fixincl.x: Regenerate.
2270 2000-09-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2272 * loop.c (check_final_value): A GIV is not replaceable if used
2275 Fri Sep 29 10:04:12 2000 Jeffrey A Law (law@cygnus.com)
2277 * version.c: Bump to gcc-2.97.
2279 Frs Sep 29 13:37:59 MET DST 2000 Jan Hubicka <jh@suse.cz>
2281 * final.c (final_scan_insn): Remove extra extract_insn call;
2282 Use caching for constrain_operands.
2283 (cleanup_subreg_operands): Use caching for extract_insn.
2284 * recog.c (constrain_operands_cached): New.
2285 * recog.h (constrain_operands_cached): Declare.
2286 * i386.c (ix86_attr_length_immediate_default,
2287 ix86_attr_length_address_default, ix86_agi_dependant): Cache
2290 * recog.c (asm_noperands): Tweak.
2291 (extract_insn): Do not call asm_noperads for non-asm instructions.
2293 Fri Sep 29 13:20:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
2295 * recog.c (recog_memoized): Rename to recog_memoized_1.
2296 * recog.h (recog_memoized): Rename to recog_memoized_1.
2297 (recog_memoized): New macro.
2298 * rtl.h (single_set): Rename to single_set_1
2299 (single_set): New macro.
2300 * rtlanal.c (single_set): Rename to single_set_1; expect clobbers
2303 * i386.md (strmovsi_1, strmovhi_1 strmovqi_1):
2304 Do not use match_dup of input operands at outputs.
2305 Use register_operand for memory expression.
2306 (rep_movsi): Put use last, canonicalize.
2307 Use register_operand for memory expression.
2308 (rep_movqi): Put use last.
2309 Use register_operand for memory expression.
2310 (strsetsi_1, strset_hi_1, strsetqi_1): Do not use match_dup
2311 of input operands at outputs. Use register_operand for memory
2313 (rep_stossi): Put use last; canonicalize; fix match_dup in
2314 the address expression
2315 (rep_stosqi): Likewise.
2316 (memcmp expander): Update calls.
2317 (cmpstrsi_nz_1, cmpstrsi_1, strlensi_1): Avoid match_dups in
2320 * i386.md (fp_jcc_3, fp_jcc_4, jp_fcc_5): if_then_else operand is
2322 (fp_jcc_4, fp_jcc_3): Refuse unordered comparisons.
2324 2000-09-28 David O'Brien <obrien@FreeBSD.org>
2326 * config/i386/freebsd-aout.h: New, FreeBSD a.out config file.
2327 Contains the old contents of config/i386/freebsd.h
2328 * config/i386/freebsd.h: Now the ELF rather than a.out config file.
2329 Contains the old contents of config/i386/freebsd-elf.h
2330 * config/i386/freebsd-elf.h: Retire this file -- contents moved to
2331 config/i386/freebsd.h.
2332 * configure.in: Adjust for above changes.
2333 * po/POTFILES.in: Likewise.
2334 * po/en_GB.po: Likewise.
2335 * po/gcc.pot: Likewise.
2336 * configure: Rebuilt.
2338 2000-09-28 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2340 * doloop.c (doloop_modify): Prevent delete_insn() from
2341 deleting too much. Prefer loop->top over loop->start as
2342 target for the new JUMP insn.
2343 (doloop_valid_p): Ignore loop with exit_count != 0.
2345 2000-09-28 Philipp Thomas <pthomas@suse.de>
2347 * invoke.texi (i386 Options): Add athlon to table of possible
2350 2000-09-28 Gabriel Dos Reis <gdr@codesourcery.com>
2352 * diagnostic.h (output_clear_message_text): New function.
2353 (output_message_text): New macro.
2355 * diagnostic.c (clear_text_info): Rename to
2356 output_clear_message_text.
2357 (output_clear): Adjust.
2358 (output_finish): Rename to output_finalize_message. Tweek.
2359 (output_to_stream): Adjust.
2361 2000-09-28 Neil Booth <neilb@earthling.net>
2363 * cpperror.c (_cpp_begin_message): Do the test for suppression
2364 of warnings and pedantic warnings before the "is a warning an
2366 * cppinit.c (cpp_handle_option): Remove surplus \n.
2367 * cpplex.c (ON_REST_ARG): Delete.
2368 (skip_block_comment): Initialise prevc.
2369 (parse_args): Improve error messages.
2370 (maybe_paste_with_next): Use CONTEXT_VARARGS rather
2372 * cpplib.c (cpp_push_buffer): Fix grammar in message.
2373 * cppmain.c (main): Set callbacks for #ident and #pragma
2374 only if no_output option is false.
2375 (do_pragma_implementation): Only call the #pragma handler
2376 if it is set in the cpp_reader structure.
2378 Wed Sep 27 14:00:07 2000 Donald Lindsay <dlindsay@cygnus.com>
2380 * integrate.c (copy_insn_list): if an ignored return value
2381 is being clobbered, skip cloning that into the inline copy.
2383 2000-09-27 Joseph S. Myers <jsm28@cam.ac.uk>
2385 * extend.texi, invoke.texi, gcc.texi, install.texi: Consistently
2386 use @uref for formatting URLs.
2388 2000-09-27 Mark Elbrecht <snowball3@bigfoot.com>
2390 * config/i386/djgpp.h (UNIQUE_SECTION): Constify the variables
2393 Tue 26-Sep-2000 18:25:38 BST Neil Booth <neilb@earthling.net>
2395 * gcc.c (cpp_options): Add spec for -ftabstop=.
2396 (invoke_as): New spec that handles invoking as.
2397 Update specs to handle -save-temps and -traditional.
2398 * ch/lang-specs.h, f/lang-specs.h, java/lang-specs.h:
2400 * cp/lang-specs.h, objc/lang-specs.h: Update to use
2401 invoke_as, and handle -save-temps and -traditional (if
2404 2000-09-26 Jakub Jelinek <jakub@redhat.com>
2406 * config/sparc/sparc.c (sparc_emit_set_const64): Don't abort when
2408 (function_arg_slotno): Accept TImode/CTImode.
2409 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): If IN_LIBGCC2 define
2412 2000-09-26 Michael Hayes <mhayes@cygnus.com>
2414 * flow.c (flow_loop_pre_header_scan): Punt if loop enters
2417 2000-09-25 Jim Wilson <wilson@cygnus.com>
2419 * config/ia64/ia64.h (INDEX_REG_CLASS): Define to GENERAL_REGS.
2420 (REGNO_OK_FOR_INDEX_P): Define to REGNO_OK_FOR_BASE_P.
2421 (LEGITIMATE_ADDRESS_DISP): Use LEGITIMATE_ADDRESS_REG.
2422 (REG_OK_FOR_INDEX): Define to REG_OK_FOR_BASE_P.
2424 Tue 26-Sep-2000 00:16:22 BST Neil Booth <neilb@earthling.net>
2426 * cpplex.c (parse_args): Don't set VOID_REST flag.
2427 (CONTEXT_VARARGS): New flag.
2428 (maybe_paste_with_next): Set context earlier in loop. Use
2429 it. Do varargs test with CONTEXT_VARARGS flag.
2430 (push_arg_context): Set CONTEXT_VARARGS flag if we're
2431 pushing an argument context for a varargs argument.
2432 * cpplib.h (VOID_REST): Delete.
2433 * gcc.dg/cpp/vararg1.c: Add test case.
2435 2000-09-25 Branko Cibej <branko.cibej@hermes.si>
2437 * flags.h: Declare warning flag warn_system_headers.
2438 * toplev.c: Define it.
2439 (W_options): Add option -Wsystem-headers.
2440 * diagnostic.c (count_error): Test warn_system_headers.
2441 * invoke.texi: Add description for -Wsystem-headers.
2442 * cpplib.h (cpp_options): New member warn_system_headers.
2443 * cpphash.h (CPP_PEDANTIC, CPP_WTRADITIONAL): Don't test
2444 CPP_IN_SYSTEM_HEADER.
2445 * cpplib.c (do_import, do_pragma_once): Likewise.
2446 * cpperror.c (_cpp_begin_message): Test warn_system_headers
2447 and CPP_IN_SYSTEM_HEADER.
2448 * cppinit.c (handle_option): Recognize -Wsystem_headers.
2449 (print_help): Describe -Wsystem_headers.
2450 * cpplex.c (lex_line): Reorganize condition so that warnings
2451 about C++ comments in system headers can be enabled. Remove
2452 label do_line_comment.
2454 Mon 25-Sep-2000 23:38:27 BST Neil Booth <neilb@earthling.net>
2456 * cpplex.c (save_comment): Only store the initial '/'
2458 (lex_token): Combine handling of the two comment types.
2459 Pass everything but the initial '/' to save_comment.
2461 Mon 25-Sep-2000 23:31:45 BST Neil Booth <neilb@earthling.net>
2463 * cpphash.h (_cpp_digraph_spellings, _cpp_process_directive,
2464 _cpp_can_paste): New library-internal prototypes.
2465 * cpplex.c (dump_param_spelling, output_line_command,
2466 output_token, cpp_scan_buffer, cpp_scan_buffer_nooutput,
2467 cpp_printf, cpp_output_list): Move to cppoutput.c.
2468 (process_directive, can_paste, digraph_spellings): Add _cpp_ prefix.
2469 * cppmacro.c (dump_macro_args, cpp_dump_definition) Move to
2471 * cppoutput.c (dump_macro_args, cpp_dump_definition, output_token,
2472 dump_param_spelling, output_line_command, cpp_scan_buffer,
2473 cpp_scan_buffer_nooutput, cpp_printf, cpp_output_list): Moved
2475 * Makefile.in: Add cppoutput.c.
2476 * po/POTFILES.in: Add cppoutput.c.
2478 2000-09-25 Richard Henderson <rth@cygnus.com>
2480 * config/ia64/ia64.c (ia64_print_operand): Define 'e' as 64-n.
2481 * config/ia64/ia64.md (rotrsi3): Allow variable rotates; don't
2482 split until after reload.
2483 (rotlsi3, rotldi3): New.
2485 2000-09-25 Gabriel Dos Reis <gdr@codesourcery.com>
2487 * diagnostic.c (output_last_position): Define.
2488 (set_real_maximum_length): Tweek.
2489 * diagnostic.h (output_last_position): Declare.
2491 2000-09-25 Kazu Hirata <kazu@hxi.com>
2493 * config/i386/i386.c: Fix formatting.
2495 2000-09-24 Alan Lehotsky <alehotsky@cygnus.com>
2497 * emit-rtl-c (gen_lowpart_common): Accept non-paradoxical SUBREG when
2498 UNITS_PER_WORD is small.
2500 2000-09-25 Joseph S. Myers <jsm28@cam.ac.uk>
2502 * c-common.c (format_char_info): Add flags2; update comments.
2503 (print_char_table, scan_char_table, time_char_table): Split some
2504 flags out into flags2.
2505 (check_format_info): Use flags2 for those flags, for identifying
2506 the initial character of a scanf scanset, and for identifying
2507 printf formats where the '0' flag is ignored with precision.
2509 2000-09-25 Hans-Peter Nilsson <hp@axis.com>
2511 Changes below marked "here" add TABs on either or both sides,
2512 covering start of line, up to any operand for all noted .*ASM.*_OP
2513 definitions. All callers changed.
2514 * tm.texi: Make documented *_ASM.*_OP:s include spacing
2515 (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, SHARED_SECTION_ASM_OP,
2516 BSS_SECTION_ASM_OP, SHARED_BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
2517 ASM_BYTE_OP, FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
2518 ASM_STABS_OP, ASM_STABD_OP, ASM_STABN_OP).
2519 Fix typos in description for LONG_LONG_TYPE_SIZE and
2520 FINI_SECTION_ASM_OP.
2521 * crtstuff.c (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Explain
2522 why these defaults don't have leading spacing.
2523 * dbxout.c (ASM_STABS_OP, ASM_STABN_OP): Here.
2524 * dwarf2out.c (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
2525 UNALIGNED_DOUBLE_INT_ASM_OP, SECTION_ASM_OP, ASM_BYTE_OP): Here.
2526 * dwarfout.c (FILE_ASM_OP, VERSION_ASM_OP,
2527 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP, ASM_BYTE_OP,
2528 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP): Here.
2529 * defaults.h (ASM_STABD_OP, EH_FRAME_SECTION_ASM_OP): Here.
2530 * varasm.c (ASM_STABS_OP): Here.
2531 * xcoffout.h (ASM_STABS_OP): Here.
2532 * config/elfos.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
2533 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
2534 INT_ASM_OP, ASCII_DATA_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP,
2535 STRING_ASM_OP): Here.
2536 * config/freebsd.h (IDENT_ASM_OP): Here.
2537 * config/linux-aout.h (SET_ASM_OP): Here.
2538 * config/linux.h (SET_ASM_OP): Here.
2539 * config/lynx.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
2541 * config/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
2542 * config/nextstep.h (EH_FRAME_SECTION_ASM_OP, ALIGN_ASM_OP): Here.
2543 * config/openbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
2544 * config/psos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
2546 * config/ptx4.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
2547 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
2548 INT_ASM_OP, ASCII_DATA_ASM_OP, CONST_SECTION_ASM_OP,
2549 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
2550 FINI_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP STRING_ASM_OP): Here.
2551 * config/svr3.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
2552 CONST_SECTION_ASM_OP, ASM_BYTE_OP): Here.
2553 * config/a29k/udi.h (INT_ASM_OP): Here.
2554 * config/alpha/alpha-interix.h (CONST_SECTION_ASM_OP,
2555 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
2557 * config/alpha/alpha.h (TEXT_SECTION_ASM_OP,
2558 READONLY_DATA_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2559 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
2560 UNALIGNED_DOUBLE_INT_ASM_OP, ASM_STABS_OP, ASM_STABN_OP,
2561 ASM_STABD_OP): Here.
2562 * config/alpha/elf.h (IDENT_ASM_OP, SKIP_ASM_OP, ALIGN_ASM_OP,
2563 COMMON_ASM_OP, INT_ASM_OP, ASCII_DATA_ASM_OP,
2564 CONST_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
2565 BSS_SECTION_ASM_OP, SBSS_SECTION_ASM_OP, SDATA_SECTION_ASM_OP,
2566 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP, TYPE_ASM_OP,
2567 SIZE_ASM_OP, STRING_ASM_OP): Here.
2568 * config/alpha/vms.h (LINK_SECTION_ASM_OP,
2569 READONLY_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP,
2570 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, COMMON_ASM_OP): Here.
2571 * config/arc/arc.h (ASM_BYTE_OP, SET_ASM_OP): Here.
2572 (PUSHSECTION_ASM_OP): Define this, not PUSHSECTION_FORMAT.
2573 * config/arm/aof.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP):
2575 * config/arm/aout.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2576 BSS_SECTION_ASM_OP, SET_ASM_OP): Here.
2577 * config/arm/coff.h (INT_ASM_OP): Here.
2578 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Here.
2579 * config/arm/elf.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP): Here.
2580 * config/arm/linux-elf.h (IDENT_ASM_OP, CONST_SECTION_ASM_OP,
2581 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Here.
2582 * config/arm/unknown-elf.h (UNALIGNED_WORD_ASM_OP): Here.
2583 * config/avr/avr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2584 ASM_BYTE_OP, TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP,
2585 STRING_ASM_OP): Here. Update documentation copy in comments.
2586 * config/c4x/c4x.h (ASM_STABS_OP, BSS_SECTION_ASM_OP): Here.
2587 * config/clipper/clipper.h (TEXT_SECTION_ASM_OP,
2588 DATA_SECTION_ASM_OP): Here.
2589 * config/clipper/clix.h (BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP):
2591 * config/convex/convex.h (TEXT_SECTION_ASM_OP,
2592 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
2593 * config/d30v/d30v.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2594 BSS_SECTION_ASM_OP): Here.
2595 * config/fr30/fr30.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2596 BSS_SECTION_ASM_OP): Here.
2597 * config/fx80/fx80.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2599 * config/gmicro/gmicro.h (TEXT_SECTION_ASM_OP,
2600 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
2601 * config/h8300/h8300.h (ASM_WORD_OP): Here.
2602 * config/i370/i370.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2603 BSS_SECTION_ASM_OP): Here.
2604 * config/i386/aix386.h (INIT_SECTION_ASM_OP): Here.
2605 * config/i386/bsd.h (ASM_BYTE_OP): Here.
2606 * config/i386/cygwin.h (SET_ASM_OP, INT_ASM_OP): Here.
2607 * config/i386/dgux.h (CONST_SECTION_ASM_OP): Here.
2608 * config/i386/djgpp.h (IDENT_ASM_OP, INT_ASM_OP, SET_ASM_OP):
2610 * config/i386/freebsd-elf.h (SET_ASM_OP): Here.
2611 * config/i386/freebsd.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP):
2613 * config/i386/i386-coff.h (CTORS_SECTION_ASM_OP,
2614 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
2615 * config/i386/i386-interix.h (STRING_ASM_OP, CONST_SECTION_ASM_OP,
2616 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
2618 * config/i386/i386elf.h (BSS_SECTION_ASM_OP): Here.
2619 * config/i386/netbsd.h (INT_ASM_OP): Here.
2620 * config/i386/openbsd.h (INT_ASM_OP): Here.
2621 * config/i386/osfrose.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP,
2622 IDENT_ASM_OP): Here.
2623 * config/i386/sco5.h (ALIGN_ASM_OP, ASCII_DATA_ASM_OP,
2624 ASM_BYTE_OP, IDENT_ASM_OP, COMMON_ASM_OP, SET_ASM_OP,
2625 LOCAL_ASM_OP, INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, STRING_ASM_OP,
2626 SKIP_ASM_OP, GLOBAL_ASM_OP): Here.
2627 * config/i386/seq-sysv3.h (SHARED_SECTION_ASM_OP,
2628 SHARED_BSS_SECTION_ASM_OP): Here.
2629 * config/i386/sequent.h (SHARED_SECTION_ASM_OP): Here.
2630 * config/i386/sun386.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
2631 DATA_SECTION_ASM_OP): Here.
2632 * config/i386/svr3gas.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
2633 CONST_SECTION_ASM_OP): Here.
2634 * config/i386/sysv3.h (INIT_SECTION_ASM_OP): Here.
2635 * config/i386/unix.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2636 BSS_SECTION_ASM_OP): Here.
2637 * config/i860/bsd-gas.h (ASCII_DATA_ASM_OP): Here.
2638 * config/i860/bsd.h (ASCII_DATA_ASM_OP): Here.
2639 * config/i860/fx2800.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP,
2640 BSS_ASM_OP): Here, but use trailing spaces.
2641 * config/i860/i860.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
2642 DATA_SECTION_ASM_OP): Here.
2643 * config/i860/paragon.h (ASCII_DATA_ASM_OP, BSS_SECTION_ASM_OP):
2645 * config/i860/sysv3.h (ASCII_DATA_ASM_OP, CTORS_SECTION_ASM_OP,
2646 DTORS_SECTION_ASM_OP, TDESC_SECTION_ASM_OP): Here.
2647 * config/i860/sysv4.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
2648 TDESC_SECTION_ASM_OP): Here.
2649 * config/i960/i960-coff.h (CTORS_SECTION_ASM_OP,
2650 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
2651 * config/i960/i960.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2653 * config/ia64/ia64.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2654 BSS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
2655 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
2656 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
2657 * config/ia64/sysv4.h (ASM_BYTE_OP, STRING_ASM_OP, SKIP_ASM_OP,
2658 COMMON_ASM_OP, ASCII_DATA_ASM_OP, INIT_SECTION_ASM_OP,
2659 FINI_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
2660 SDATA_SECTION_ASM_OP, SBSS_SECTION_ASM_OP): Here.
2661 * config/m32r/m32r.h (SCOMMON_ASM_OP): Here.
2662 * config/m68hc11/m68hc11.h (GLOBAL_ASM_OP): Here.
2663 * config/m68k/auxas.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
2664 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
2666 * config/m68k/coff.h (BSS_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
2667 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
2668 * config/m68k/crds.h (BSS_SECTION_ASM_OP): Here.
2669 * config/m68k/dpx2.h (ASM_BYTE_OP, GLOBAL_ASM_OP): Here.
2670 * config/m68k/hp320.h (ASCII_DATA_ASM_OP, GLOBAL_ASM_OP): Here.
2671 * config/m68k/linux.h (BSS_SECTION_ASM_OP): Here.
2672 * config/m68k/lynx.h (BSS_SECTION_ASM_OP): Here.
2673 * config/m68k/m68k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2674 GLOBAL_ASM_OP): Here.
2675 * config/m68k/m68kelf.h (SWBEG_ASM_OP, BSS_ASM_OP,
2676 BSS_SECTION_ASM_OP): Here.
2677 * config/m68k/m68kv4.h (BSS_ASM_OP): Here.
2678 * config/m68k/mot3300.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2679 ASCII_DATA_ASM_OP, SET_ASM_OP, CTORS_SECTION_ASM_OP,
2680 DTORS_SECTION_ASM_OP, GLOBAL_ASM_OP, ASM_BYTE_OP, ALIGN_ASM_OP,
2682 * config/m68k/newsgas.h (SET_ASM_OP): Here.
2683 * config/m68k/rtemself.h (INIT_SECTION_ASM_OP,
2684 FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
2685 * config/m68k/sgs.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
2686 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
2687 SET_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here,
2688 but use trailing spaces.
2689 * config/m68k/tower-as.h (TEXT_SECTION_ASM_OP,
2690 DATA_SECTION_ASM_OP, GLOBAL_ASM_OP, INIT_SECTION_ASM_OP,
2691 FINI_SECTION_ASM_OP, CONST_SECTION_ASM_OP, BSS_SECTION_ASM_OP):
2693 * config/m88k/dgux.h (FINI_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
2694 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
2695 * config/m88k/m88k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2696 CONST_SECTION_ASM_OP, TDESC_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
2697 DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
2698 IDENT_ASM_OP, FILE_ASM_OP, SECTION_ASM_OP, SET_ASM_OP,
2699 GLOBAL_ASM_OP, ALIGN_ASM_OP, SKIP_ASM_OP, COMMON_ASM_OP,
2700 BSS_ASM_OP, FLOAT_ASM_OP, DOUBLE_ASM_OP, INT_ASM_OP, SHORT_ASM_OP,
2701 CHAR_ASM_OP, ASCII_DATA_ASM_OP, SBSS_ASM_OP, SCOMM_ASM_OP,
2702 SDATA_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, INTERNAL_ASM_OP,
2703 VERSION_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
2704 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP, REQUIRES_88110_ASM_OP,
2706 * config/m88k/openbsd.h (SET_ASM_OP): Here.
2707 * config/m88k/sysv4.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
2708 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
2709 * config/mcore/mcore-elf.h (UNALIGNED_INT_ASM_OP,
2710 UNALIGNED_SHORT_ASM_OP, CTORS_SECTION_ASM_OP,
2711 DTORS_SECTION_ASM_OP): Here.
2712 * config/mcore/mcore-pe.h (CTORS_SECTION_ASM_OP,
2713 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
2714 * config/mips/elf.h (TYPE_ASM_OP, SIZE_ASM_OP,
2715 BSS_SECTION_ASM_OP): Here.
2716 * config/mips/elf64.h (TYPE_ASM_OP, SIZE_ASM_OP): Here.
2717 * config/mips/iris5.h (ABICALLS_ASM_OP): Here.
2718 * config/mips/iris6.h (TYPE_ASM_OP, SIZE_ASM_OP,
2719 POPSECTION_ASM_OP, BSS_SECTION_ASM_OP, CONST_SECTION_ASM_OP_32,
2720 CONST_SECTION_ASM_OP_64, CTORS_SECTION_ASM_OP,
2721 DTORS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
2722 * config/mips/mips.c (ABICALLS_ASM_OP): Here.
2723 * config/mips/mips.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP):
2725 * config/mips/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP):
2727 * config/mips/osfrose.h (SET_ASM_OP): Here.
2728 * config/mips/sni-svr4.h (ABICALLS_ASM_OP): Here.
2729 * config/ns32k/encore.h (SHARED_SECTION_ASM_OP): Here.
2730 * config/ns32k/merlin.h (SHARED_SECTION_ASM_OP): Here.
2731 * config/ns32k/ns32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2733 * config/ns32k/sequent.h (SHARED_SECTION_ASM_OP): Here.
2734 * config/ns32k/tek6000.h (SHARED_SECTION_ASM_OP): Here.
2735 * config/pa/pa-64.h (INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP): Here.
2736 * config/pa/pa.h (ASM_STABS_OP, ASM_STABN_OP): Here.
2737 * config/pj/pj.h (SET_ASM_OP, BSS_SECTION_ASM_OP): Here.
2738 * config/pyr/pyr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2740 * config/romp/romp.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2742 * config/rs6000/rs6000.h (SET_ASM_OP): Here.
2743 * config/rs6000/sol2.h (ASM_STABN_OP): Here.
2744 * config/rs6000/sysv4.h (SKIP_ASM_OP, LOCAL_ASM_OP, LCOMM_ASM_OP):
2746 * config/sh/sh.h (SET_ASM_OP, BSS_SECTION_ASM_OP,
2747 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here.
2748 * config/sparc/linux.h (COMMON_ASM_OP): Here.
2749 * config/sparc/linux64.h (COMMON_ASM_OP,
2750 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
2751 * config/sparc/litecoff.h (BSS_SECTION_ASM_OP,
2752 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
2753 * config/sparc/lynx.h (BSS_SECTION_ASM_OP): Here.
2754 * config/sparc/pbd.h (ASM_INT_OP): Here.
2755 * config/sparc/sp64-elf.h (UNALIGNED_LONGLONG_ASM_OP): Here.
2756 * config/sparc/sparc.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
2757 DATA_SECTION_ASM_OP, IDENT_ASM_OP): Here.
2758 * config/sparc/sun4gas.h (UNALIGNED_DOUBLE_INT_ASM_OP,
2759 UNALIGNED_INT_ASM_OP, UNALIGNED_SHORT_ASM_OP): Here.
2760 * config/sparc/sysv4.h (STRING_ASM_OP, COMMON_ASM_OP, SKIP_ASM_OP,
2761 UNALIGNED_DOUBLE_INT_ASM_OP, UNALIGNED_INT_ASM_OP,
2762 UNALIGNED_SHORT_ASM_OP, PUSHSECTION_ASM_OP, POPSECTION_ASM_OP,
2763 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP,
2764 CONST_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
2765 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
2766 EH_FRAME_SECTION_ASM_OP): Here.
2767 * config/sparc/vxsim.h (COMMON_ASM_OP): Here.
2768 * config/spur/spur.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2770 * config/tahoe/tahoe.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2772 * config/v850/v850.h (SCOMMON_ASM_OP, ZCOMMON_ASM_OP,
2773 TCOMMON_ASM_OP): Here.
2774 * config/vax/vax.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2776 * config/we32k/we32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2779 2000-09-25 Richard Henderson <rth@cygnus.com>
2781 * expmed.c (store_bit_field): Adjust last change to not consider
2782 any word-sized field naturally aligned.
2784 2000-09-24 Richard Henderson <rth@cygnus.com>
2786 * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
2787 TFmode unordered compares properly. Revalidate integer compare
2789 (alpha_emit_setcc): New.
2790 (alpha_emit_conditional_move): Revalidate integer compare operands.
2791 * config/alpha/alpha-protos.h: Update.
2792 * config/alpha/alpha.md (cmpdi): Allow general operands.
2793 (sne): Use alpha_emit_setcc.
2794 (seq, slt, sle, sgt, sge, sltu, sleu, sgtu, sgeu): Likewise.
2795 (sunordered, sordered): New.
2797 2000-09-24 Richard Henderson <rth@cygnus.com>
2799 * config/ia64/ia64-protos.h: Update.
2800 * config/ia64/ia64.c (call_multiple_values_operation): Remove.
2801 (ia64_expand_call): New.
2802 (ia64_expand_prologue): Emit an alloc if we need extra input
2804 (ia64_expand_epilogue): New arg sibcall_p; don't emit the return
2805 instruction if true.
2806 (struct reg_flags): Add is_sibcall.
2807 (rtx_needs_barrier): A sibcall does not use CFM et al. Ignore USEs.
2808 (emit_insn_group_barriers): Set flags.is_sibcall. Remove hacks
2809 for CODE_FOR_gr_spill_internal/CODE_FOR_gr_restore_internal.
2810 * config/ia64/ia64.h (PREDICATE_CODES): Update.
2811 * config/ia64/ia64.md (call): Use ia64_expand_call.
2812 (call_value): Likewise.
2813 (sibcall, sibcall_value): New.
2814 (call patterns): Remove extra expanders; tidy.
2815 (sibcall_epilogue): New.
2816 (set_bsp): Remove the extra USE. Put the operand inside the UNSPEC.
2818 2000-09-24 Richard Henderson <rth@cygnus.com>
2820 * emit-rtl.c (gen_lowpart_common): Use trunc_int_for_mode.
2822 * sibcall.c (skip_pic_restore): New.
2823 (identify_call_return_value): Use it.
2825 2000-09-24 Mark Mitchell <mark@codesourcery.com>
2827 * c-tree.texi: Moved here from cp/ir.texi. Documented nested
2828 functions. Generalize to handle both C and C++.
2829 * Makefile.in (c-tree.info): New target.
2830 (info): Add c-tree.info.
2832 Sun Sep 24 09:15:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2834 * expr.c (store_field): If BITSIZE is negative, use size of type.
2835 (expand_expr, case COMPONENT_EXPR): Likewise.
2837 Sun 24-Sep-2000 11:40:23 BST Neil Booth <NeilB@earthling.net>
2839 * cpplex.c: Update TODO comment.
2840 * cpplib.c (do_error, do_warning): Merge common code of
2841 do_error and do_warning into do_diagnostic. Use it.
2842 (do_diagnostic): New function.
2843 * cpplib.h: Fix comment typo.
2845 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
2847 * c-common.c (check_format_info): Warn for a wide character string
2848 used as a non-wide format argument.
2850 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
2852 * builtins.def (BUILT_IN_LLABS): Add.
2853 * builtins.c (expand_builtin): Also abort on BUILT_IN_LLABS.
2854 * c-common.c (c_common_nodes_builtins): Create builtin functions
2855 __builtin_llabs, and plain llabs unless no_nonansi_builtins
2856 outside of C99 mode.
2857 (expand_tree_builtin): Handle BUILT_IN_LLABS.
2859 Sat 23-Sep-2000 22:39:18 BST Neil Booth <NeilB@earthling.net>
2861 * cpphash.h (CPP_RESERVE, CPP_PUTS_Q, CPP_PUTS, CPP_PUTC_Q,
2862 CPP_PUTC, DUMMY_TOKEN, NO_DUMMY_TOKEN): Delete.
2863 * cpplex.c (_cpp_expand_token_space, _cpp_init_toklist,
2864 _cpp_free_toklist): No need to worry about extra dummy token
2865 at the start of token lists any more.
2866 (trigraph_ok): Only warn outside comments.
2867 (skip_block_comment): Set and clear lexing_comment.
2868 (skip_line_comment): Take a cpp_reader not cpp_buffer.
2869 Set and clear lexing_comment.
2870 (parse_number): Handle leading '.' indicated by pfile->seen_dot.
2871 (check_long_token): Delete.
2872 (lex_percent, lex_dot): New subroutines of lex_token to
2873 handle lexing of '.' and '%' without lookback.
2874 (lex_token): Use lex_dot and lex_percent.
2875 (lex_line): Don't check for LIST_OFFSET.
2876 (_cpp_init_input_buffer): Update for new _cpp_init_toklist.
2877 * cpplib.c (_cpp_parse_assertion): Similarly.
2878 (cpp_push_buffer): Initialize extra_char.
2879 * cpplib.h (LIST_OFFSET): Delete.
2880 (struct cpp_buffer): New member extra_char.
2881 (struct lexer_state): New members lexing_comment and seen_dot.
2883 2000-09-23 Jason Merrill <jason@redhat.com>
2885 * config/rs6000/x-aix41 (CLIB): Define here.
2886 * config/rs6000/t-aix43: Not here.
2887 * config/rs6000/t-aix41: Or here. Remove.
2888 * configure.in: Don't use it.
2890 2000-09-22 Jason Merrill <jason@redhat.com>
2892 * configure.in: Add test for HAVE_LD_DWARF_LINKONCE.
2893 * toplev.c: Use it to initialize flag_eliminate_dwarf2dups.
2894 * config.in: Regenerate.
2896 * configure.in: Fix checks for assembler features when using a
2897 one-tree assembler that has not yet been built.
2898 Fix --disable-threads.
2900 2000-09-19 Geoff Keating <geoffk@cygnus.com>
2902 * stmt.c (expand_asm_operands): Allow # in constraints.
2904 2000-09-22 Jason Merrill <jason@redhat.com>
2906 * c-lex.c (skip_white_space): Just treat CRs as horizontal whitespace.
2908 * dbxout.c (dbxout_symbol_name): Just use DECL_NAME for
2909 function-local names.
2911 2000-09-22 Brad Lucier <lucier@math.purdue.edu>
2912 Mark Mitchell <mark@codesourcery.com>
2914 * toplev.c (warn_disabled_optimization): Declare new warning flag.
2915 * flags.h (warn_disabled_optimization): Add it here.
2916 * gcse.c (gcse_main): Add warning when disabled.
2917 * invoke.texi: Document -Wdisabled-optimization.
2919 2000-09-21 Jason Merrill <jason@redhat.com>
2921 * dwarf2out.c (add_const_value_attribute): Multiply by length, not 4.
2923 * dwarf2out.c (tree_add_const_value_attribute): New fn.
2924 (gen_variable_die): Call it for non-definitions.
2926 * dwarf2out.c (die_struct): Add die_mark field.
2927 (mark_dies, unmark_dies): New fns.
2928 (clear_die_sizes): Remove.
2929 (print_die): Check die_symbol rather than die_offset.
2930 (build_abbrev_table, output_pubnames, output_aranges): Check
2931 die_mark rather than die_offset.
2932 (output_comp_unit): Move calc_die_sizes after build_abbrev_table.
2935 Thu 21-Sep-2000 18:19:05 BST Neil Booth <NeilB@earthling.net>
2937 * cppfiles.c (lookup_include_file): Rename to open_file.
2938 Always create a splay tree value, even on syscall failures.
2939 Negative entries indicated by fd == -2.
2940 Re-open files closed in the meantime.
2941 (_cpp_fake_include): Create a negative splay tree entry.
2942 (find_include_file, cpp_read_file): Update for function name
2944 * gcc.gd/cpp/mi4.c: Testcase.
2946 2000-09-21 Nick Clifton <nickc@redhat.com>
2948 * config/arm/t-arm-elf (MULTILIB_DIRNAMES): Enable multilibs for
2949 ARM and THUMB modes.
2951 * config/mcore/mcore.c: Fix compile time warnings.
2952 * config/mcore/mcore-protos.h: Fix compile time warnings.
2954 2000-09-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2956 * configure.in: Correct test of gcc_cv_glibc.
2957 * configure: Rebuilt.
2958 * config.in: Rebuilt.
2960 2000-09-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2962 * builtins.c (expand_builtin_fputs): Also expand when length!=1.
2963 (expand_builtin): Handle BUILT_IN_FWRITE.
2965 * builtins.def (BUILT_IN_FWRITE): New entry.
2967 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_fwrite.
2969 Wed Sep 20 15:39:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2971 * gcc.c (modify_target): New variable and struct.
2972 (process_command): Handle MODIFY_TARGET_NAME.
2973 * tm.texi (MODIFY_TARGET_NAME): Add documentation for new macro.
2974 * config/pa/pa.h (MODIFY_TARGET_NAME): New macro.
2976 * c-decl.c (finish_decl): Add else's to avoid referencing
2977 TYPE_DOMAIN of an ERROR_MARK.
2979 Wed Sep 20 21:44:31 2000 Denis Chertykov <denisc@overta.ru>
2981 * config/avr/avr.c (adjust_insn_length): Adjust lengths of
2984 2000-09-19 Marek Michalkiewicz <marekm@linux.org.pl>
2986 * config/avr/avr.md (neghi2): Add alternative for input and output
2987 operands in different registers, as in negsi2.
2988 (*negsi2): Remove '*' from the name. Use "movw" if available.
2990 2000-09-19 Jim Wilson <wilson@cygnus.com>
2992 * config/ia64/crtbegin.asm (__dso_handle): Delete use of
2993 HAVE_GAS_HIDDEN macro.
2995 Tue 19-Sep-2000 22:38:57 BST Neil Booth <NeilB@earthling.net>
2997 * cpplex.c (lex_line): Drop the EOF token for unknown
2998 directives in assembler.
3000 2000-09-19 David Edelsohn <edelsohn@gnu.org>
3002 * configure.in: Allow enable_threads_flag value of "aix". Define
3003 thread_file as "aix" for AIX 4.3 and above.
3004 * configure: Regenerated.
3006 * gthr-aix.h: New file.
3008 * rs6000/t-aix43: Replace soft-float multilib with pthread.
3009 Remove 403 processor multilib match. Fix rios2 processor multilib
3012 * rs6000/aix.h (ASM_DECLARE_FUNCTION_NAME): Use function_section
3013 to return to appropriate csect.
3015 2000-09-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3017 * builtins.c (is_valid_printf_arglist, expand_builtin_printf): New
3019 (expand_builtin_fputs): Set `target' parameter for `expand_expr'.
3020 (expand_builtin): Handle BUILT_IN_PUTCHAR, BUILT_IN_PUTS and
3023 * builtins.def (BUILT_IN_PUTCHAR, BUILT_IN_PUTS, BUILT_IN_PRINTF):
3026 * c-common.c (init_function_format_info): Handle __builtin_printf.
3027 Set `check_function_format_ptr'.
3028 (c_common_nodes_and_builtins): Set `puts_ftype' and
3029 `printf_ftype'. Declare __builtin_putchar, __builtin_puts,
3030 __builtin_printf and printf.
3032 * tree.c, tree.h (check_function_format_ptr): Declare.
3034 Tue 19-Sep-2000 18:26:57 BST Neil Booth <NeilB@earthling.net>
3036 * cppfiles.c (read_include_file): Take no special action for
3039 2000-09-19 Bernd Schmidt <bernds@redhat.co.uk>
3041 * final.c (insn_current_reference_address): Use INSN_SHUID of seq
3042 rather than that of branch.
3043 (shorten_branches): Don't increment insn_current_address twice.
3045 Undo most of the Wed Jan 27 23:39:53 1999 patch:
3046 * loop.h (struct induction): Delete members derived, ix and last_use.
3047 (struct loop_ivs): Delete members first_increment_giv and
3049 * loop.c (verify_dominator, find_life_end, cmp_recombine_givs_stats,
3050 recombine_givs): Delete functions.
3051 (find_and_verify_loops): Don't initialize cont_dominator.
3052 (strength_reduce): Lose code to try to find bivs that can be
3053 expressed as givs of another biv, and to convert biv increments
3055 Lose loop_scan_start variable, always use loop->scan_start.
3056 Don't call recombine_givs. Don't handle derived givs.
3057 (record_giv): Don't initialize derived and last_use fields.
3058 (biv_eliminiation_giv_has_0_offset): Lose code to handle derived
3060 * unroll.c (derived_regs): Delete static variable.
3061 (unroll_loop): Don't initialize it.
3062 (copy_loop_body): Lose code to handle derived givs.
3063 (find_splittable_givs): Don't check for givs made from biv
3065 Don't set derived_regs.
3067 Fix misapplied earlier patch:
3068 * config/sh/sh.md (floatsisf_ie): Reenable. Remove explicit reference
3070 (floatsisf2): Generate floatsisf_ie by default.
3071 (floatsisf_i4): Conditional on TARGET_SH4.
3073 (floatsisf2, floatsidf2, extendsfdf2): Also use reg_no_subreg_operand
3074 predicate for the expanders.
3076 2000-09-19 Richard Henderson <rth@cygnus.com>
3078 * config/i386/i386.h (CPP_CPU_SPEC): Define i586 and i686 symbols
3079 in addition to pentium and pentiumpro symbols.
3080 (CPP_CPU_DEFAULT_SPEC): Likewise.
3082 * c-typeck.c (c_expand_asm_operands): Restore the output tree
3085 * stmt.c (expand_expr_stmt): Only call warn_if_unused_value
3086 if the tree has side effects.
3087 (warn_if_unused_value): Do not warn about void constructs.
3089 * c-decl.c (poplevel): Invoke warn_about_unused_variables.
3091 * unroll.c (copy_loop_body): Update LABEL_NUSES before
3092 calling invert_jump.
3094 2000-09-18 Geoff Keating <geoffk@cygnus.com>
3096 * combine.c (can_combine_p): Don't substitute an ASM_OPERANDS
3099 2000-09-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3101 * Makefile.in (c-common.o): Depend on diagnostic.h.
3103 * c-common.c: Include diagnostic.h.
3105 (status_warning): New function.
3106 (check_format_info, maybe_read_dollar_number, check_format_types,
3107 finish_dollar_format_checking, check_function_format): Accept a
3108 `status' parameter. All callers changed.
3110 * c-common.h (check_function_format): Accept a `status' parameter.
3112 * c-typeck.c: Update call to `check_function_format'.
3114 2000-09-18 Richard Henderson <rth@cygnus.com>
3116 * c-decl.c (c_expand_body): Call mark_varargs before
3117 expand_function_start.
3119 2000-09-18 Geoff Keating <geoffk@cygnus.com>
3121 * config/rs6000/eabi-cn.asm: Use /**/ to delimit comments, not #.
3122 * config/rs6000/eabi-ci.asm: Likewise.
3124 2000-09-18 Richard Henderson <rth@cygnus.com>
3126 * emit-rtl.c (init_emit_once): Initialize const_tiny_rtx
3129 2000-09-18 Jim Wilson <wilson@cygnus.com>
3131 * unroll.c (loop_iterations): Pass increment to extend_for_giv_value
3132 before passing it to fold_rtx_mult_add.
3134 * unroll.c (final_giv_value): Pass increment through
3135 extend_value_for_giv before passing it to emit_iv_add_mult.
3137 * function.c (fixup_var_refs_1, case ZERO_EXTRACT): If we have a
3138 paradoxical subreg, then directly substitute the replacement and
3141 Mon 18-Sep-2000 22:12:44 BST Neil Booth <NeilB@earthling.net>
3143 * cpp.texi: Update documentation, including some clarifications,
3144 the treatment of various newline combinations, and space between
3145 backslash and newline.
3147 Mon Sep 18 21:00:47 2000 J"orn Rennecke <amylaar@redhat.co.uk>
3149 * sdbout.c (PUT_SDB_DEF, PUT_SDB_TAG, PUT_SDB_EPILOGUE_END):
3150 Replace ASM_OUTPUT_LABELREF with assemble_name.
3152 Mon Sep 18 20:26:50 2000 J"orn Rennecke <amylaar@redhat.co.uk>
3154 * sh.c (addsubcosts): CONST is not cheap.
3155 (find_barrier): For Sh1, take alignment after jumps into account.
3157 2000-09-15 Andrew Haley <aph@redhat.com>
3159 * toplev.c (rest_of_compilation): Call purge_hard_subreg_sets to
3160 remove all SETs of SUBREGs of hard registers.
3161 * function.c (purge_hard_subreg_sets): New function.
3162 (purge_single_hard_subreg_set): New function.
3163 * rtl.h: (purge_hard_subreg_sets): New function.
3165 2000-09-18 Richard Henderson <rth@cygnus.com>
3167 * config/ia64/ia64-protos.h: Update.
3168 * config/ia64/ia64.c (signed_inequality_operator): New.
3169 (ia64_expand_compare): New.
3170 (ia64_register_move_cost): Handle PR_REGS moves.
3171 (ia64_secondary_reload_class): Require a GR when moving to a PR.
3172 (struct reg_write_state): Add written_by_and/or.
3173 (struct reg_flags): Add is_and/or.
3174 (rws_update): Set them.
3175 (rws_access_regno): Test them to allow parallel comparisons.
3176 (rtx_needs_barrier): Recognize parallel comparisons.
3177 (emit_insn_group_barriers): Set prev_insn after a call stop bit.
3178 Call recog_memoized; ignore pred_rel_mutex.
3179 (emit_predicate_relation_info): Don't call find_basic_blocks here.
3180 (ia64_reorg): Do it here instead.
3181 * config/ia64/ia64.h: s/CCmode/BImode/g
3182 (MODES_TIEABLE_P): Don't tie BImode.
3183 (PREFERRED_RELOAD_CLASS): Do not reload operations into AR regs.
3184 (CONST_COSTS): Pick sensible values for CONST_INT based on context.
3185 (RTX_COSTS): Make multiply 4 insns.
3186 (MEMORY_MOVE_COST): New.
3187 (PREDICATE_CODES): Update.
3188 * config/ia64/ia64.md: s/CCmode/BImode/g
3189 (movcci, movbi): New.
3190 (andbi3, andcmbi3, iorbi3, iorcmbi3, one_cmplbi2): New.
3191 (cmpsi_and_0, cmpsi_and_1, cmpsi_andnot_0, cmpsi_andnot_1): New.
3192 (cmpdi_and_0, cmpdi_and_1, cmpdi_andnot_0, cmpdi_andnot_1): New.
3193 (tbit_and_0, tbit_and_1, tbit_and_2, tbit_and_3): New.
3194 (cmpsi_or_0, cmpsi_or_1, cmpsi_orcm_0, cmpsi_orcm_1): New.
3195 (cmpdi_or_0, cmpdi_or_1, cmpdi_orcm_0, cmpdi_orcm_1): New.
3196 (tbit_or_0, tbit_or_1, tbit_or_2, tbit_or_3): New.
3197 (mulsi, muldi): Use xmpy not xma.
3199 (movcc, movcc_internal): Remove.
3200 (branch expanders): Use ia64_expand_compare.
3201 (setcc expanders): Likewise.
3202 (cmov insns): Use move_operand and ia64_move_ok.
3203 (pred_rel_mutex): Use unspec not unspec_volatile. Prevent the
3204 scheduler from moving it past a use.
3205 * config/ia64/build.hacks: Remove.
3207 Mon 18-Sep-2000 19:21:35 BST Neil Booth <NeilB@earthling.net>
3209 * cpphash.h (HASHSTEP): Take character rather than pointer
3211 (_cpp_check_directive, _cpp_check_linemarker): Update prototypes.
3213 * cpphash.c (cpp_loookup): Update for new HASHSTEP.
3215 * cpplex.c (auto_expand_name_space, trigraph_replace,
3216 backslash_start, handle_newline, parse_name, INIT_TOKEN_STR,
3217 IMMED_TOKEN, PREV_TOKEN_TYPE, PUSH_TOKEN, REVISE_TOKEN,
3218 BACKUP_TOKEN, BACKUP_TRIGRAPH, MIGHT_BE_DIRECTIVE,
3219 KNOWN_DIRECTIVE): Delete.
3221 (handle_newline, check_long_token, skip_escaped_newlines,
3222 unterminated): New functions.
3223 (ACCEPT_CHAR, SAVE_STATE, RESTORE_STATE): New macros.
3225 (parse_identifier): Was parse_name, new implementation.
3226 (skip_line_comment, skip_block_comment, skip_whitespace,
3227 parse_number, parse_string, trigraph_ok, save_comment,
3228 adjust_column, _cpp_get_line): New implementations.
3230 (lex_token): New function. Lexes a token at a time, looking
3231 forwards. Contains most of the guts of the old lex_line.
3232 (lex_line): New implementation, using lex_token to obtain
3234 (cpp_scan_buffer): Use the token's line, not the list's line.
3236 * cpplib.c (_cpp_check_directive, _cpp_check_linemarker):
3237 New implementations.
3238 (do_assert): Don't bother setting the answer's list's line.
3239 (cpp_push_buffer): Initialise new pfile and read_ahead members
3240 of struct cpp_buffer.
3242 * cpplib.h (cppchar_t): New typedef.
3243 (struct cpp_buffer): read_ahead, pfile and col_adjust are
3245 (struct lexer_state): New structure that determines the state
3246 and behaviour of the lexer.
3247 (IN_DIRECTIVE, KNOWN_DIRECTIVE): New macros.
3248 (struct cpp_reader): New member "state". Rename
3249 multiline_string_line and multiline_string_column. Delete
3250 col_adjust, in_lex_line members.
3251 (CPP_BUF_COLUMN): Update.
3253 2000-09-18 Richard Henderson <rth@cygnus.com>
3255 * combine.c (simplify_comparison): Shift a NOT out of a single
3258 * combine.c (if_then_else_cond): Canonicalize BImode true to
3260 * explow.c (trunc_int_for_mode): Likewise.
3262 * combine.c (combine_simplify_rtx): Use gen_unary to distribute
3263 the NOT for De Morgan's rule.
3264 * simplify-rtx.c (simplify_unary_operation): Simplify a BImode NOT
3265 of a comparison to the reverse comparison.
3267 * combine.c (try_combine): Allow split to create a single insn.
3269 * machmode.def: Add BImode. Add a column for bitsize.
3270 * machmode.h (DEF_MACHMODE): Adjust for extra column.
3271 (GET_MODE_BITSIZE): Use it.
3272 * rtl.c (DEF_MACHMODE): Adjust for extra column.
3273 (mode_bitsize): New.
3274 (mode_mask_array): Use bitsize.
3275 * combine.c (combine_simplify_rtx): Require inner and outer
3276 modes to match on nonzero_bits optimizations.
3278 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
3280 * reload1.c (forget_old_reloads_1): If a hard reg is stored, clear
3281 its entry in spill_reg_store.
3282 * config/sh/lib1funcs.ams (movstr_i4 functions): Always compile in.
3283 * sh.c (reg_no_subreg_operand): New function.
3284 * sh-protos.h (reg_no_subreg_operand): Declare it.
3285 * sh.h (PREDICATE_CODES): Add it.
3286 * sh.md (floatsisf2_i4, floatsidf2_i, extendsfdf2_i4): Use it for
3287 input operand that needs to be in fpul.
3288 (fix_truncsfsi2, fix_truncsfsi2_i4): Use register_operand for output.
3289 * sh.c (find_barrier): Take into account that machine_dependent_reorg
3290 might add new insns.
3292 2000-09-18 Alexandre Oliva <aoliva@redhat.com>
3294 * config/sh/sh.c (sh_expand_prologue): Mark GOTaddr2picreg as
3296 (sh_expand_epilogue): Take the PIC register into account when
3297 computing the frame size.
3299 * config/sh/sh.c (nonpic_symbol_mentioned_p): Check LABEL_REFs.
3300 * config/sh/sh.md (sym_label2reg, symPLT_label2reg): Protect
3301 LABEL_REFs with a PIC-safe unspec.
3303 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
3305 * c-common.c (check_format_info): Properly save the argument
3306 number and parameter for $ operand number formats in case width
3307 and precision arguments are also used. Allow printf width and
3308 precision arguments to have operand numbers even if none was
3309 specified for the main format, since this is OK for %*.*m. Only
3310 object to missing $ operand number if the format used requires an
3313 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
3315 * c-common.c (format_char_info): Add 'W' flag to comment.
3316 (print_char_table, scan_char_table): Use it.
3317 (check_format_info): Use the 'W' flag to determine whether a
3318 format argument is written into.
3320 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
3322 * c-common.c (check_format_types): Reorganise and clean up,
3323 checking earlier for ERROR_MARKs and making cur_type into its
3324 TYPE_MAIN_VARIANT where convenient.
3326 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
3328 * gcc.c (cpp_options): Add specs for __STDC_HOSTED__.
3330 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
3332 * optabs.c (emit_libcall_block): Set CONST_CALL_P for the call.
3334 * i386-protos.h (ix86_init_builtins, ix86_expand_builtin): Declare.
3335 * i386.c (struct builtin_description): New.
3336 (bdesc_comi, bdesc_2arg, bdesc_1arg): New arrays.
3337 (mmx_reg_operand): Declare MODE arg as unused.
3338 (ix86_expand_sse_comi, ix86_expand_sse_compare, safe_vector_operand,
3339 ix86_expand_unop1_builtin, ix86_expand_unop_builtin,
3340 ix86_expand_binop_builtin, ix86_expand_store_builtin,
3341 ix86_init_builtins, ix86_expand_builtin): New functions.
3342 * i386.h (ix86_builtins): New enumeration.
3343 (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): New macros.
3344 * i386.md (attr length_immediate): 0 for mmx/sse types.
3345 (attr prefix_0f): 1 for mmx/sse types.
3346 (setcc_2): Remove "*" so we get gen_setcc_2.
3347 (emms): Account for changed register numbering. Set "memory" attr
3349 (sfence): Set "memory" attr to unknown.
3351 2000-09-18 Andreas Jaeger <aj@suse.de>
3353 * configure.in: Define _GNU_SOURCE only when using the GNU C
3355 * configure: Regenerated.
3356 * config.in: Regenerated.
3358 2000-09-17 Mark Mitchell <mark@codesourcery.com>
3360 * cppinit.c (cpp_init): Don't use ANSI prototypes.
3361 * flow.c (flow_dump_loop): Likewise.
3362 (flow_loops_dump): Likewise.
3364 * c-typeck.c (c_start_case): Fix typo.
3366 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
3368 * c-decl.c (grokdeclarator): Don't give a warning about defaulting
3369 to int for plain complex which defaults to complex double. Do
3370 warn about defaulting to complex double if pedantic. Warn about
3371 complex integer types if pedantic. Warn about complex types if
3372 pedantic and not in C99 mode.
3373 * c-typeck.c (build_unary_op): If pedantic, warn about use of ~
3374 for complex conjugation.
3376 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
3378 * contrib.texi: Update my entry.
3380 Sun Sep 17 18:48:32 2000 Denis Chertykov <denisc@overta.ru>
3382 * config/avr/avr.md (mcu_enhanced): New attribute.
3383 (mcu_mega): Likewise.
3384 (extendhisi2): Use mcu_enhanced.
3385 (zero_extendhisi2): Likewise.
3386 (call_insn): Use mcu_enhanced and mcu_mega.
3387 (call_value_insn): Likewise.
3388 (*sbrx_branch): Use mcu_mega.
3389 (*sbrx_and_branchsi): Likewise.
3390 (*sbrx_and_branchhi): Likewise.
3391 (*tablejump_lib): Likewise.
3393 Sun Sep 17 10:46:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3395 * alias.c (true_dependence): Allow non-unchanging read to conflict
3396 with unchanging write.
3398 * expr.c (store_constructor_field): Accept ALIAS_SET arg.
3399 (store_constructor): Pass alias_set to it.
3401 * c-decl.c (grokdeclarator): Reorder tests to avoid looking at
3402 TYPE_MAIN_VARIANT of ERROR_MARK.
3403 * c-lex.c (readescape): Avoid using printf syntax we don't recognize.
3405 * simplify-rtx.c (simplify_unary_operation): Add cases
3406 FLOAT_EXTEND and FLOAT_TRUNCATE to ones that return 0.
3408 2000-09-17 Bernd Schmidt <bernds@redhat.co.uk>
3410 * expr.h (emit_library_call, emit_library_call_value): Delete
3412 * rtl.h (enum libcall_type): New.
3413 (emit_library_call, emit_library_call_value): Change fn_type arg to
3414 be of type enum libcall_type.
3415 * calls.c: Likewise for the function definitions. Several callers
3416 throughout changed to use the new enumeration appropriately.
3417 (emit_library_call_value_1): Likewise. Put back code to make libcall
3418 blocks of equal form, but only use it for the two new higher
3421 2000-09-16 Mark Mitchell <mark@codesourcery.com>
3423 Convert the C front-end to use function-at-a-time mode.
3424 * c-common.h: Include splay-tree.h.
3425 (C_DECLARED_LABEL_FLAG): New macro.
3426 (struct language_function): Add x_scope_stmt_stack and
3427 x_function_name_declared_p.
3428 (RECHAIN_STMTS): Move definition.
3429 (lang_statment_code_p): Likewise.
3430 (lang_expand_stmt): Likewise.
3431 (lang_expand_decl_stmt): New variable.
3432 (lang_expand_function_end): Likewise.
3433 (current_scope_stmt_stack): New function.
3434 (add_decl_stmt): Likewise.
3435 (add_scope_stmt): Likewise.
3436 (mark_stmt_tree): Likewise.
3437 (struct c_lang_decl): New structure.
3438 (DECL_SAVED_TREE): Define.
3439 (c_mark_lang_decl): New function.
3440 (c_expand_start_cond): Change prototype.
3441 (c_finish_then): New function.
3442 (c_finish_else): Likewise.
3443 (current_function_name_declared): Remove.
3444 (set_current_function_name_declared): Likewise.
3445 (mark_c_language_function): Declare.
3446 (case_compare): Likewise.
3447 (c_add_case_label): Likewise.
3448 (c_expand_expr): Likewise.
3449 (c_safe_from_p): Likewise.
3450 * c-common.c (lang_expand_function_end): New variable.
3451 (struct if_elt): Add if_stmt.
3452 (c_expand_start_cond): Add the if-statement to the statement-tree,
3453 rather than generating RTL.
3454 (c_finish_then): New function.
3455 (c_expand_start_else): Don't generate RTL.
3456 (c_finish_else): New function.
3457 (c_expand_expr_stmt): Don't generate RTL.
3458 (statement_code_p): Add SCOPE_STMT.
3459 (case_compare): New function.
3460 (c_add_case_label): Likewise.
3461 (mark_stmt_tree): Likewise.
3462 (c_mark_lang_decl): Likewise.
3463 (mark_c_language_function): Likewise.
3464 (c_expand_expr): Likewise.
3465 (c_safe_from_p): Likewise.
3466 * c-decl.c (c_stmt_tree): New variable
3467 (c_scope_stmt_stack): Likewise.
3468 (c_function_name_declared_p): Likewise.
3469 (lang_expand_expr_stmt): Remove.
3470 (poplevel): Don't call output_inline_function for nested
3472 (pushdecl): Don't set DECL_CONTEXT for a local declaration of an
3474 (redeclaration_error_message): Change means of computing whether
3475 or not a function is nested.
3476 (lookup_label): Don't call label_rtx.
3477 (init_decl_processing): Add more GC roots.
3478 (start_decl): Add DECL_STMTs to the statement-tree, rather than
3479 calling rest_of_decl_compilation.
3480 (finish_decl): Don't call expand_decl.
3481 (store_parm_decls): Begin the statement-tree, but don't generate
3483 (finish_function): Tie off the statement-tree. Call c_expand_body
3485 (c_expand_body): New function.
3486 (push_c_function_context): Save more information.
3487 (pop_c_function_contxt): Likewise.
3488 (copy_lang_decl): Now that we use DECL_LANG_SPECIFIC, copy it.
3489 (lang_mark_tree): Mark it.
3490 (current_stmt_tree): Adjust.
3491 (current_scope_stmt_stack): New function.
3493 (set_current_name_declared): Likewise.
3494 (c_begin_compound_stmt): Define.
3495 (c_expand_decl_stmt): Likewise.
3496 * c-lang.c: Include rtl.h and expr.h.
3497 (lang_init): Set more language-specific hooks.
3498 * c-lex.c: Include expr.h.
3499 * c-parse.in: Changes throughout to add statements to the
3500 statement-tree, rather than generating RTL after every statement.
3501 * c-semantics.c (lang_expand_decl_stmt): Define.
3502 (add_decl_stmt): New function.
3503 (add_scope_stmt): Likewise.
3504 (finish_stmt_tree): Tweak.
3505 (genrtl_expr_stmt): Likewise.
3506 (genrtl_decl_stmt): Handle local labels, and call
3507 lang_expand_decl_stmt if required.
3508 (genrtl_for_stmt): Fix line-number handling.
3509 (genrtl_case_label): Handle cleanups.
3510 (genrtl_asm_stmt): Don't call combine_strings.
3511 (genrtl_compound_stmt): Simplify.
3512 (expand_stmt): Handle SCOPE_STMTs.
3513 * c-tree.h (struct lang_decl): New structure.
3514 (C_DECLARED_LABEL_FLAG): Remove.
3515 (c_begin_compound_stmt): Declare.
3516 (c_expand_decl_stmt): Likewise.
3517 (c_expand_start_case): Rename to c_start_case.
3518 (c_finish_case): New function.
3519 * c-typeck.c (start_init): Tweak setting of
3520 constructor_incremental.
3521 (c_expand_asm_operands): Tweak error-handling. Add to the
3523 (c_expand_return): Add to the statement-tree.
3524 (c_expand_start_case): Rename to ...
3525 (c_start_case): ... this.
3526 (struct c_switch): New type.
3527 (switch_stack): New variable.
3528 (do_case): Simplify.
3529 (c_finish_case): New function.
3530 * dependence.c: Include expr.h.
3531 (enum dependence_type): Change spelling of enumerals.
3532 (check_node_dependence): Adjust.
3533 * expr.h (lang_safe_from_p): Declare.
3534 (safe_from_p): Likewise.
3535 * expr.c (lang_safe_from_p): New variable.
3536 (safe_from_p): Give it external linkage. Use lang_safe_from_p.
3537 * stmt.c (expand_expr_stmt): Avoid clobberring of last_expr_type.
3538 * toplev.c (rest_of_decl_compilation): Robustify.
3539 * tree.c (contains_placeholder_p): Likewise.
3540 * Makefile.in: Update dependencies.
3541 * objc/objc-act.h: Adjust calculation of value for dummy_tree_code.
3542 * objc/objc-act.c: Include rtl.h, expr.h, and c-common.h.
3543 (objc_expand_function_end): New function.
3544 (finish_method_def): Use it.
3545 (init_objc): Initialize more language-specific hooks.
3546 * objc/Make-lang.in: Update dependencies.
3548 2000-09-16 Geoffrey Keating <geoffk@cygnus.com>
3550 * configure.in: Define macros that affect features before
3551 testing for features. Don't define _XOPEN_SOURCE.
3552 * configure: Regenerated.
3553 * config.in: Regenerated.
3555 Sat Sep 16 19:42:50 EDT 2000 John Wehle (john@feith.com)
3557 * rtlanal.c (rtx_varies_p): Volatile asms vary.
3558 (rtx_unstable_p): Restructure code. Volatile asms
3561 Sat Sep 16 14:35:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3563 * function.h (no_debugging_symbols): New field.
3564 * integrate.c (save_for_inline): Renamed from save_for_inline_nocopy.
3565 Initialize no_debugging_symbols.
3566 (output_inline_function): Save and restore write_symbols and set from
3567 no_debugging_symbols.
3568 * toplev.c (rest_of_compilation): Call save_for_inline.
3569 * tree.h: Update comment.
3571 * stor-layout.c (place_field): Don't do anything if field or
3572 its type are ERROR_MARK.
3574 Sat Sep 16 19:14:00 2000 Laurynas Biveinis <lauras@softhome.net>
3576 * cppfiles.c (purge_cache): Use munmap only if MMAP_THRESHOLD defined.
3577 (read_include_file): Ensure inc->mmaped is initialized.
3579 2000-09-16 Richard Henderson <rth@cygnus.com>
3581 * cppiles.c (purge_cache): Use PTR not caddr_t.
3583 2000-09-16 Hans-Peter Nilsson <hp@axis.com>
3585 * gcc.c: In description for %{<S}, say the option removed is -S.
3586 * invoke.texi (Spec Files): Ditto.
3588 2000-09-16 Andreas Jaeger <aj@suse.de>
3590 * configure.in: Always define _GNU_SOURCE to make interfaces
3591 visible that were hidden by only defining _GNU_SOURCE.
3592 * configure: Regenerated.
3594 Sat 16-Sep-2000 08:13:45 BST Neil Booth <NeilB@earthling.net>
3596 * cpplex.c (push_macro_context): Set an argument's level after
3597 calling parse_args. We could loop infinitely otherwise.
3599 2000-09-15 Tom Tromey <tromey@cygnus.com>
3601 * configure, config.in: Rebuilt.
3602 * configure.in: Check for iconv.h. Define _XOPEN_SOURCE.
3604 2000-09-15 Greg McGary <greg@mcgary.org>
3606 * cppmacro.c (check_trad_stringification): Check token
3607 text pointers against limit before dereferencing.
3609 2000-09-15 Joseph S. Myers <jsm28@cam.ac.uk>
3611 * c-common.c (format_wanted_type): New structure.
3612 (check_format_types): New function.
3613 (check_format_info): Pass all checking of types of format
3614 arguments, including width and precision arguments, to this new
3617 2000-09-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3619 * BUGS: Remove file.
3621 2000-09-15 Jakub Jelinek <jakub@redhat.com>
3623 * config/alpha/alpha.c (override_options): ev6 cache latencies
3624 from Richard Henderson. Don't allow -mmemory-latency=L0.
3626 * config/alpha/alpha.h (TARGET_CPU_EV5, TARGET_CPU_EV6): Define.
3627 (TARGET_OPTIONS): Add tune=.
3628 (alpha_tune_string): Declare.
3629 * config/alpha/alpha.c (override_options): Add cpu_table.
3630 Use alpha_cpu_string first to set both alpha_cpu and target_flags
3631 and then alpha_tune_string to set alpha_cpu only.
3632 Replace tests for PROCESSOR_EV* with TARGET_CPU_EV* tests.
3633 * config/alpha/elf.h (ASM_FILE_START): Likewise.
3634 * config/alpha/osf.h (ASM_FILE_START): Likewise.
3635 * config/alpha/openbsd.h (ASM_FILE_START): Likewise.
3637 Fri Sep 15 19:45:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
3639 * i386-protos.h (no_comparison_operator, uno_comparison_operator):
3641 (ix86_comparison_operator, ix86_cc_mode): Declare
3642 * i386.h (CCGC, CCGCO): New modes.
3643 (SELECT_CC_MODE): Move offline to ....
3644 * i386.c (ix86_cc_mode): .... here; use new modes.
3645 (ix86_comparison_operator): New.
3646 (fcmov_comparison_operator): Ensure proper mode.
3647 (put_condition_mode): More sanity checking.
3648 (ix86_match_ccmode): Handle new modes.
3649 (ix86_expand_fp_compare): GEU requires CCmode.
3650 (ix86_expand_strlensi_unroll_1): Use emit_cmp_and_jump_insn instead of
3652 * i386.md (cmp?i_ccz_1): Remove
3653 (cmp?i_ccno_1): Use ix86_match_ccmode.
3654 (cmp?i_minus_1): New.
3655 (cmpsi_1): New expander.
3656 (cmpqi_ext_1): Use match_ccmode
3657 (cmpqi_ext_3): New expander.
3658 (cmpqi_ext_3_insn): Rename from cmpqi_ext_3.
3659 (cmpqi_ext_4): Use match_ccmode.
3660 (add?i_?): Use match_ccmode.
3662 (test?i_ccz_1): Remove
3664 (testsi_ccno_1, testqi_ccz_1, testqi_ext_ccno_0): New expander.
3665 (testqi_ext_0): Use ix86_match_ccmode.
3666 (*xorqi_cc_ext_1): Use ix86_match_ccmode.
3667 (xorqi_cc_ext_1): New expander.
3668 (shift patterns): Use CCGOCmode for all shifts except for sar.
3669 (setcc_?, jcc_?, miv?icc_nic): Use ix86_comparison_operator.
3670 (setcc_3, jcc_3, miv?icc_c): Remove.
3672 2000-09-15 Will Cohen <wcohen@redhat.com>
3674 * dwarf2out.c (add_const_value_attribute): Changed array into a
3675 xmalloced object, so it exists after function exit.
3676 (free_AT): Added case for dw_val_class_float to free allocated
3679 2000-09-15 Kazu Hirata <kazu@hxi.com>
3681 * config/i386/i386.md: Fix a comment typo.
3682 * gcc.c: Fix formatting.
3684 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
3686 * optabs.c (emit_libcall_block): If target is a user variable,
3687 copy to a temporary first.
3688 * expr.c (convert_move): When generating a libcall, make a libcall
3690 * calls.c (emit_library_call_value_1): Don't create a libcall
3691 sequence here; our caller will in most cases do it.
3693 * sh.h (SECONDARY_INPUT_RELOAD_CLASS): Handle moving T, MACL or
3695 (SECONDARY_OUTPUT_RELOAD_CLASS): Similar case.
3696 * sh.md (reload_outsf): Generate recognizable patterns for
3698 (floatsisf2, floatsisf2_ie, floatsisf2_i4, fix_truncsfsi2,
3699 fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i, fix_truncdfsi2,
3700 fix_truncdfsi2_i, extendsfdf2, extendsfdf2_i4, truncdfsf2,
3701 truncdfsf2_i4): Change not to use explicit references to fpul.
3702 (floatsisf2_ie): Remove USE of fpscr.
3703 (floatsisf2): Change default expansion to match this.
3704 (fix_truncsfsi2_i4_2, fix_truncdfsi2_i4 & splitters): Comment out
3707 2000-09-15 Richard Henderson <rth@cygnus.com>
3709 * expmed.c (store_bit_field): Consider naturally aligned
3710 memory for direct reference.
3712 2000-09-15 Richard Henderson <rth@cygnus.com>
3714 * config/alpha/alpha.c (alpha_expand_unaligned_load): Force all
3715 AND addresses into alias set 0.
3716 (alpha_expand_unaligned_store): Likewise.
3717 (alpha_expand_unaligned_load_words): Likewise.
3718 (alpha_expand_unaligned_store_words): Likewise.
3720 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
3722 * config/sh/sh.h (CPP_SPEC): For -m4-nofpu, define __SH4_NOFPU__.
3723 * config/sh/lib1funcs.asm (movstr_i4): Also compile if __SH4_NOFPU__
3725 * config/mips/mips.c (mips_va_arg): Args passed by reference have a
3726 rsize of UNITS_PER_WORD.
3728 Fri 15-Sep-2000 06:49:07 BST Neil Booth <NeilB@earthling.net>
3730 * cpplex.c (ON_REST_ARG): Correct the test.
3731 (maybe_paste_with_next): Duplicate a token that fail pasting,
3732 and clear its PASTE_LEFT flag, so that nested pasting attempts
3735 2000-09-14 Richard Henderson <rth@cygnus.com>
3737 * calls.c (precompute_register_parameters): Use COSTS_N_INSNS, not 2.
3738 * cse.c (rtx_cost): Likewise.
3739 * optabls.c (expand_binop): Likewise.
3740 (expand_twoval_binop, prepare_cmp_insn): Likewise.
3741 * regclass.c (copy_cost): Likewise.
3742 * reload1.c (reload_cse_move2add): Likewise.
3744 2000-09-14 Joseph S. Myers <jsm28@cam.ac.uk>
3746 * c-parse.in (reswords): Add _Complex.
3748 2000-09-14 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3750 * gcc.1: Delete documentation for -undef preprocessor option.
3752 2000-09-14 Alexandre Oliva <aoliva@redhat.com>
3754 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
3755 STARTFILE_SPEC, ENDFILE_SPEC): Remove define.
3756 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
3757 Remove undefine before config/elfos.h.
3758 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Comment out.
3760 2000-09-14 Kazu Hirata <kazu@hxi.com>
3762 * invoke.texi (H8/300 Options): Add -ms2600.
3763 * config/h8300.c (h8300_init_once): Output an error when -ms2600
3764 is used without -ms.
3765 * config/h8300.h (TARGET_MAC): New.
3766 (TARGET_SWITCHES): Add -ms2600 and -mno-s2600.
3767 (CONDITIONA_REGISTER_USAGE): Disable the mac register on any
3768 machine other than H8/S2600.
3769 * config/h8300.md: Accept mac instructions on the H8/S2600 instead
3772 2000-09-14 Alexandre Oliva <aoliva@redhat.com>, Bernd Schmidt <bernds@redhat.co.uk>
3774 * reload.c (find_reloads_address_1): Generate reloads for auto_inc
3775 pseudos that refer to the original pseudos, not only to their
3776 equivalent memory locations.
3778 Thu Sep 14 12:10:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3780 * expr.c (expand_expr, case COMPONENT_EXPR): Copy memory attributes
3781 when making new MEM.
3783 * Makefile.in (LN): Remove duplicate definition.
3785 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
3787 From Joern Rennecke:
3788 * local-alloc.c (update_equiv_regs): If there is no REG_EQUAL note
3789 on an insn and function_invariant_p returns nonzero for the source,
3790 add a REG_EQUAL note.
3792 Thu Sep 14 00:51:57 EDT 2000 John Wehle (john@feith.com)
3794 * alias.c (memrefs_conflict_p): An ADDRESSOF doesn't
3795 conflict with frame_pointer_rtx.
3797 2000-09-13 Kazu Hirata <kazu@hxi.com>
3799 * loop.c: Fix formatting.
3802 2000-09-13 Richard Henderson <rth@cygnus.com>
3804 * config/ia64/ia64.md (divsf3): New.
3805 (divsf3_internal_lat, divsf3_internal_thr): New.
3806 (divdf3, divdf3_internal_lat, divdf3_internal_thr): New.
3807 (divtf3, divtf3_internal_lat, divtf3_internal_thr): New.
3808 (adddf3_trunc, subdf3_trunc, muldf3_trunc): New.
3809 (madddf4_trunc, msubdf4_trunc, nmuldf3_trunc): New.
3810 (nmadddf4_alts, nmadddf4_trunc): New.
3811 (addtf3_truncsf, addtf3_truncdf, subtf3_truncsf): New.
3812 (subtf3_truncdf, multf3_truncsf, multf3_truncdf): New.
3813 (multf3_truncsf_alts, multf3_truncdf_alts): New.
3814 (maddtf4_truncsf, maddtf4_truncdf, maddtf4_alts_truncdf): New.
3815 (msubtf4_truncsf, msubtf4_truncdf, nmultf3_truncsf): New.
3816 (nmultf3_truncdf, nmaddtf4_truncsf, nmaddtf4_truncdf): New.
3817 (nmaddtf4_truncdf_alts): New.
3818 (recip_approx): Don't predicate.
3820 2000-09-13 Richard Henderson <rth@cygnus.com>
3822 * config/ia64/lib1funcs.asm (__divsf3): Protect fnorm.s with p6.
3824 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3826 * flags.h (flag_dump_rtl_in_asm): Declare.
3827 * toplev.c (flag_dump_rtl_in_asm): Define.
3828 (decode_d_option): Set flag_dump_rtl_in_asm and flag_print_asm_name
3829 if -dP is specified.
3830 * rtl.h (print_rtx_head): Declare.
3831 * print-rtl.c (print_rtx_head): Define.
3832 (print_rtx): Print the string pointed to by print_rtx_head
3833 at beginning of each dump line.
3834 (print_rtl): Likewise.
3835 (print_rtl_single): Likewise.
3836 * final.c (final_scan_insn): Dump the insn in the assembly
3838 * gcc.1: Document -dP option.
3839 * invoke.texi (Debugging Options): Likewise.
3841 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3843 * md.texi (Machine Constraints): Document the 68HC11 constraints.
3844 * install.texi (Configurations): Document the 68HC11&68HC12 port.
3845 * invoke.texi (Option Summary, M68hc1x Options): Document the options.
3847 Tue Sep 12 13:51:13 2000 Denis Chertykov <denisc@overta.ru>
3849 * config/avr/avr.h (ASSEMBLER_DIALECT): New macro declared.
3850 * config/avr/avr.md (*movstrqi_insn): Cleanup output template.
3851 (*clrstrqi): Likewise.
3852 (xorhi3,xorsi3,absqi2): Likewise.
3853 (one_cmplhi2,one_cmplsi2): Likewise.
3854 (addsi3): Two stupid constraint alternatives removed.
3855 (extendhisi2): Use `movw' for enhanced avr cores.
3856 (zero_extendhisi2): Likewise.
3858 Wed Sep 13 02:31:23 EDT 2000 John Wehle (john@feith.com)
3860 * alias.c (find_base_term): Use frame_pointer_rtx
3861 when handling an ADDRESSOF.
3863 * cse.c (canon_hash): Handle USE of BLKmode memory.
3864 (cse_insn): Outgoing arguments for a libcall don't
3865 affect any recorded expressions.
3867 2000-09-12 Tom Tromey <tromey@cygnus.com>
3869 * configure, config.in: Rebuilt.
3870 * configure.in: Check for iconv, nl_langinfo, langinfo.h.
3872 2000-09-12 Jakub Jelinek <jakub@redhat.com>
3874 * c-lex.c (lex_string): Use charwidth to compute bytemask.
3875 * expr.c (expand_expr): Don't optimize constant array references
3876 initialized with wide string constants.
3878 2000-09-13 Michael Hayes <mhayes@cygnus.com>
3880 * loop.c (note_set_pseudo_multiple_uses): Correct.
3882 2000-09-12 Jim Wilson <wilson@cygnus.com>
3884 * ifcvt.c (noce_process_if_block): If A and B are the same, and no
3885 else block, and X has side-effects, then fail.
3887 2000-09-12 Greg McGary <greg@mcgary.org>
3889 * config/mips/mips-protos.h
3890 (trap_cmp_op, mips_gen_conditional_trap): New func decls.
3891 * config/mips/mips.h (ISA_HAS_COND_TRAP): New macro.
3892 (PREDICATE_CODES): Add "trap_cmp_op".
3893 * config/mips/mips.c
3894 (trap_cmp_op, mips_gen_conditional_trap): New functions.
3895 * config/mips/mips.md (trap, conditional_trap): New patterns.
3897 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
3899 * flow.c (try_pre_increment_1): Don't do anything to sets of the stack
3902 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3904 * builtins.c (built_in_decls): New array.
3905 (expand_builtin_fputs): New function.
3906 (expand_builtin): Handle BUILT_IN_FPUTC and BUILT_IN_FPUTS.
3908 * builtins.def (BUILT_IN_FPUTC, BUILT_IN_FPUTS): New members.
3910 * c-common.c (c_common_nodes_and_builtins): Handle fputc/fputs.
3912 * tree.h (built_in_decls): New array.
3914 Tue Sep 12 08:53:57 2000 Jeffrey A Law (law@cygnus.com)
3916 * convex.md: Use "+" instead of "=" for outputs wrapped in a
3918 * i370.md, i386.md, ns32k.md, sh.md, vax.md: Likewise.
3920 2000-09-12 Kazu Hirata <kazu@hxi.com>
3922 * haifa-sched.c: Fix formatting.
3924 * genattrtab.c: Fix formatting.
3926 * unroll.c: Fix formatting.
3928 2000-09-12 Bruce Korb <bkorb@gnu.org>
3930 * fixinc/fixfixes.c: make a type for the fix procedure & use it,
3931 remove obsolete code
3932 * fixinc/fixincl.c: Use PARAMS, not _P_. Add no-op default to switch.
3933 * fixinc/fixincl.tpl: make non-exported arrays static scope
3934 * fixinc/fixincl.x: regenerate
3935 * fixinc/fixlib.h: Use PARAMS, not _P_
3936 * fixinc/fixtests.c: make a type for the test proc & use it
3937 * fixinc/server.h: Use PARAMS, not _P_
3939 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3941 * c-typeck.c (process_init_element): Avoid union init warnings on
3942 floating point zero. Don't crash on unions containing structs.
3944 2000-09-12 Alexandre Oliva <aoliva@redhat.com>
3946 * config/sh/sh.h (PREDICATE_CODES): Add CONST_DOUBLE to
3947 general_movsrc_operand, and remove CONST_INT from
3948 general_movdst_operand.
3950 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
3952 * cse.c (approx_reg_cost): If SMALL_REGISTER_CLASSES, return INT_MAX
3953 if a reference to non-fixed hardreg is seen. Otherwise, count hard
3954 regs with a higher cost.
3955 (preferrable): Deal with cases where either cost or regcost is
3957 (cse_insn): Use MAX_COST rather than 10000. Always initialize
3959 (COSTS_N_INSNS): Move definition...
3961 (MAX_COST): New macro.
3962 * loop.c (init_loop): Use COSTS_N_INSNS macro instead of hardcoded
3965 2000-09-11 Mark Mitchell <mark@codesourcery.com>
3967 * c-common.h (genrtl_clear_out_block): Remove.
3968 * c-semantics.c (genrtl_clear_out_block): Remove.
3969 (genrtl_while_stmt): Don't call it.
3970 (genrtl_for_stmt): Likewise.
3972 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
3974 * cppfiles.c: Move all default-#defines to top of file.
3975 (open_include_file): Replace by lookup_include_file.
3976 (read_with_read, read_file): Merged into read_include_file.
3977 (stack_include_file, purge_cache): New functions.
3978 (close_cached_fd): Delete.
3979 (lookup_include_file, read_include_file, _cpp_pop_file_buffer):
3980 Cache the in-memory buffer, not the file descriptor.
3982 * cpphash.h (struct include_file): Add buffer, st, refcnt,
3984 (xcnew): New utility macro.
3985 (DO_NOT_REREAD, NEVER_REREAD): Move up by struct include_file.
3986 * cpplib.h (struct cpp_buffer): Remove mapped field.
3988 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
3990 * cpplex.c (parse_string): Accept backslash space newline as a
3992 (lex_line): Likewise.
3993 (_cpp_get_token): Remove hard limit on macro nesting.
3995 2000-09-12 Philipp Thomas <pthomas@suse.de>
3997 * aclocal.m4 (AM_WITH_NLS): Don't force use of included gettext.
3998 * configure: Rebuilt.
4000 2000-09-13 Michael Hayes <mhayes@cygnus.com>
4002 * flow.c (split_block): Fix update of registers live at
4005 Tue Sep 12 01:51:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
4007 * i386.md (add?i_3, add?i_5): New.
4008 (add?i_4): Rename from add?i_3; Fix compare pattern.
4009 (sub?i_3, xor?i_3, ior?i_3): New.
4011 * genrecog.c (write_tree): Output code to clear insn_extract cache.
4012 * genattrtab.c (write_attr_case): Gen call to extract_insn_cache
4013 instead of extract_insn and extract_constrain_insn_cache instead of
4014 extract_insn and constrain_operands.
4015 * recog.c (extract_insn_cached, extract_constrain_insn_cached):
4017 (extract_insn): Clear which_alternative.
4018 (constrain_operands): Set which_alternative to -1 when failed.
4019 * recog.h (extract_constrain_insn_cached, extract_insn_cached):
4022 2000-09-11 Matthew Hiller <hiller@redhat.com>
4024 * config/h8300/h8300.md (movstrictqi): Changed constraint modifier
4025 on operand 0 to '+'.
4026 (movstricthi): Likewise.
4028 2000-09-12 Michael Hayes <mhayes@cygnus.com>
4030 * loop.h (LOOP_IVS): New macro.
4031 (REG_IV_TYPE, REG_IV_INFO): Add ivs argument.
4032 (struct loop_ivs): New.
4033 (struct loop_info): Add ivs field.
4034 (reg_iv_type, reg_iv_info): Delete prototype.
4035 (reg_biv_class, loop_iv_list): Likewise.
4036 * loop.c (record_biv, find_life_end): Pass loop argument.
4037 (reg_iv_type): Remove global array and use
4038 field in loop_regs structure within loop_ivs structure.
4039 (reg_iv_info, reg_biv_class, loop_iv_list): Likewise.
4040 (first_increment_giv, last_increment_giv): Use entry in
4042 (record_initial): Pass ivs pointer.
4043 * unroll.c (copy_loop_body, remap_split_bivs): Add loop argument.
4045 2000-09-12 Michael Hayes <mhayes@cygnus.com>
4047 * loop.h (LOOP_REGS): New macro.
4048 (struct loop_regs): New.
4049 (struct loop_info): Add regs field.
4050 * loop.c (set_in_loop): Remove global array and store
4051 in loop_regs structure as part of loop_info structure.
4052 (n_times_set, may_not_optimize): Likewise.
4053 (reg_single_usage, moved_once): Likewise.
4054 (count_one_set): Add regs argument.
4055 (combine_movables, rtx_equal_for_loop_p, combine_givs): Likewise.
4056 (set_pseudo_multiple_uses): Pass regs pointer.
4058 2000-09-12 Michael Hayes <mhayes@cygnus.com>
4060 * unroll.c (iteration_info): Subsume into loop_iterations.
4061 * loop.h (loop_info): New field iv.
4063 2000-09-12 Michael Hayes <mhayes@cygnus.com>
4065 * basic-block.h (LOOP_TREE, LOOP_PRE_HEADER, LOOP_EDGES): New.
4066 (LOOP_EXITS_DOMS, LOOP_ALL): Likewise.
4067 (flow_loops_update): New prototype.
4068 (flow_loops_find): Add flags to prototype.
4069 (struct loop): Add `pre_header_root' and `pre_header_trace' fields.
4070 * flow.c (flow_loop_pre_header_scan): New.
4071 (flow_loop_dump): Dump pre-header root and trace and exit dominators.
4072 (flow_loop_free): Free pre-header root and trace and exit dominators.
4073 (flow_loops_find): New argument flags.
4074 (flow_loops_update): New function.
4075 * toplev.c (rest_of_compilation): Add flag argument to flow_loops_find.
4077 2000-09-12 Michael Hayes <mhayes@cygnus.com>
4079 * basic-block.h (split_block, update_bb_for_insn): New prototypes.
4080 * flow.c (split_block, update_bb_for_insn): New functions.
4082 2000-09-11 Richard Henderson <rth@cygnus.com>
4084 * cse.c (fold_rtx): Honor NO_FUNCTION_CSE.
4086 2000-09-11 Richard Henderson <rth@cygnus.com>
4088 * config/ia64/ia64-protos.h (fr_nonimmediate_operand): Declare.
4089 * config/ia64/ia64.c (fr_nonimmediate_operand): New.
4090 (ia64_override_options): Prevent optimizing division for both
4091 latency and throughput.
4092 (rtx_needs_barrier): Handle frcpa.
4093 * config/ia64/ia64.h (MASK_INLINE_DIV_LAT): New.
4094 (MASK_INLINE_DIV_THR, TARGET_INLINE_DIV_LAT): New.
4095 (TARGET_INLINE_DIV_THR, TARGET_INLINE_DIV): New.
4096 (TARGET_SWITCHES): Add -minline-divide-min-latency and
4097 -minline-divide-max-throughput.
4098 (PREDICATE_CODES): Update.
4099 * config/ia64/ia64.md (extendsidi2): Remove * from f case.
4100 (zero_extendsidi2): Likewise. Fix typo in f case insn.
4101 (extendsfdf2): Add cases for gr<->fr and fr<->mem.
4102 (extendsftf2): Likewise.
4103 (extenddftf2): Likewise.
4104 (fix_trunctfdi2_alts): New.
4105 (fixuns_trunctfdi2_alts): New.
4106 (madd*4): Rename from madd*3.
4107 (divsi3, modsi3, udivsi3, umodsi3): New.
4108 (divsi3_internal): New.
4109 (divdi3, moddi3, udivdi3, umoddi3): New.
4110 (divdi3_internal_lat, divdi3_internal_thr): New.
4111 (multf3_alts, maddtf4_alts, nmaddtf4_alts): New.
4112 (recip_approx): New.
4114 2000-09-11 Alexandre Oliva <aoliva@redhat.com>
4116 * print-rtl.c (debug_call_placeholder_verbose): New variable.
4117 (print_rtx) [CALL_PLACEHOLDER]: Dump all call sequences if it is
4119 * integrate.c (copy_rtx_and_substitute): Don't share
4120 LEAF_REG_REMAPpable registers with the inlined function. Don't
4121 share the function value with calling sequences.
4123 2000-09-11 Jakub Jelinek <jakub@redhat.com>
4125 * c-decl.c (do_case): Fix a typo.
4127 * combine.c (simplify_if_then_else): Don't convert a == b ? b : a
4128 to a if the comparison is floating mode and not -ffast-math.
4129 * simplify-rtx.c (simplify_ternary_operation): Likewise.
4131 Mon Sep 11 20:07:48 2000 J"orn Rennecke <amylaar@redhat.co.uk>
4133 * sh.h (INITIALIZE_TRAMPOLINE): Remove stray call to
4134 gen_ic_invalidate_line.
4136 2000-09-11 Philip Blundell <pb@futuretv.com>
4138 * config/arm/elf.h (SUBTARGET_CPP_SPEC): Don't define `arm_elf'.
4140 Mon Sep 11 10:48:41 2000 Ulrich Drepper <drepper@redhat.com>
4142 * install.texi (LANGUAGES): Update to include new languages.
4145 2000-09-11 DJ Delorie <dj@redhat.com>
4147 * gcc.c (main): Don't warn about unused -B prefixes
4148 (unused_prefix_warnings): remove
4150 2000-09-11 Kazu Hirata <kazu@hxi.com>
4152 * final.c: Fix formatting.
4154 * integrate.c: Fix formatting.
4156 2000-09-11 Geoff Keating <geoffk@cygnus.com>
4158 * alias.c (memrefs_conflict_p): An ADDRESSOF does conflict, sorry.
4160 2000-09-11 Bernd Schmidt <bernds@redhat.co.uk>
4162 * reload.c (regno_clobbered_p): Fix thinko in previous change.
4164 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4166 * gcc.1: Document 68hc11 specific options.
4168 2000-09-10 Geoff Keating <geoffk@cygnus.com>
4170 * config/rs6000/sysv4.h (MASK_LONG_DOUBLE_128): Define.
4171 (TARGET_LONG_DOUBLE_128): Define.
4172 (SUBTARGET_SWITCHES): Add -mlong-double-64 and -mlong-double-128.
4173 (LONG_DOUBLE_TYPE_SIZE): Redefine.
4174 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
4175 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on definition
4176 of __LONG_DOUBLE_128__.
4177 (CPP_SYSV_SPEC): Define __LONG_DOUBLE_128__ if -mlong-double-128
4179 (CPP_LONGDOUBLE_DEFAULT_SPEC): Define.
4180 (CPP_SYSV_DEFAULT_SPEC): Define.
4181 (SUBTARGET_EXTRA_SPECS): Add cpp_longdouble_default.
4182 (INIT_TARGET_OPTABS): Define.
4184 * config/rs6000/aix.h (RS6000_ITRUNC): Moved from rs6000.h.
4185 (RS6000_UITRUNC): Likewise.
4186 (INIT_TARGET_OPTABS): New macro.
4187 * config/rs6000/rs6000.c (rs6000_trunc_used): Delete.
4188 (trunc_defined): Delete.
4189 (output_prolog): Don't output .extern definitions for fp->int
4190 conversion routines, ASM_OUTPUT_EXTERNAL_LIBCALL will do it.
4191 * config/rs6000/rs6000.h (rs6000_trunc_used): Delete.
4192 (trunc_defined): Delete.
4193 (RS6000_ITRUNC): Moved to aix.h.
4194 (RS6000_UITRUNC): Likewise.
4195 * config/rs6000/rs6000.md (fix_truncdfsi2): Fail if it would
4196 only emit a libcall.
4197 (fixuns_truncdfsi2): Delete.
4198 (trunc_call): Delete.
4199 (trunc_call_rtl): Delete.
4201 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
4203 * varasm.c (make_decl_rtl): Restore leading star on
4204 DECL_ASSEMBLER_NAME set for decls with an asmspec.
4206 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
4208 * c-pragma.c (handle_pragma_pack): Correct parsing logic so it
4209 won't give a spurious error for '#pragma pack()'. Simplify
4210 control flow for readability. 'reset' action is not necessary.
4212 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
4214 * defaults.h: Provide default definitions for: CHAR_TYPE_SIZE,
4215 SHORT_TYPE_SIZE, INT_TYPE_SIZE, LONG_TYPE_SIZE,
4216 LONG_LONG_TYPE_SIZE, WCHAR_TYPE_SIZE, FLOAT_TYPE_SIZE,
4217 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE, and WCHAR_UNSIGNED.
4219 * cppexp.c, dwarfout.c, dwarf2out.c, emit-rtl.c, final.c, optabs.c,
4220 profile.c, sdbout.c, tradcif.y, tree.c:
4221 Include defaults.h if not already included.
4222 Don't define the above macros.
4224 * Makefile.in: Update dependencies.
4226 2000-09-10 Mark Mitchell <mark@codesourcery.com>
4228 * c-common.h (add_stmt): Change prototype.
4229 (RECHAIN_STMTS): New macro.
4230 (CASE_LABEL_DECL): Likewise.
4231 (genrtl_case_label): Change prototype.
4232 (c_expand_start_case): Remove prototype.
4233 (build_case_label): Change prototype.
4234 (decl_constant_value): Declare.
4235 * c-common.c (check_case_value): Handle C++'s extensions to C
4237 * c-commnon.def (CASE_LABEL): Add room for the CASE_LABEL_DECL
4239 * c-parse.in (stmt): Adjust handling of return statements and case
4241 * c-semantics.c (add_stmt): Return the new statement.
4242 (genrtl_return_stmt): Take the RETURN_STMT as input, not the
4243 returned expression. Directly generate RTL, rather than calling
4245 (genrtl_switch_stmt): Don't call c_expand_start_case.
4246 (build_case_label): Take the LABEL_DECL as input, too.
4247 (genrtl_case_label): Just call add_case_node.
4248 (expand_stmt): Adjust calls to genrtl_return_stmt and
4250 * c-tree.h (c_expand_start_case): Declare.
4251 * c-typeck.c (decl_constant_value): Give it external linkage.
4252 (c_expand_return): Don't call expand_return or expand_null_return;
4253 use genrtl_return_stmt instead.
4254 * stmt.c (struct nesting): Remove num_ranges field.
4255 (add_case_node): Give it external linkage.
4256 (expand_start_case): Don't set num_ranges.
4257 (expand_start_case_dummy): Don't clear it.
4258 (pushcase): Rely on add_case_node to handle `default' labels.
4259 (add_case_node): Handle `default' labels.
4260 * tree.c (tree_int_cst_compare): New function.
4261 * tree.h (tree_int_cst_compare): Declare.
4262 (add_case_node): Likewise.
4264 2000-09-10 Richard Henderson <rth@cygnus.com>
4266 * c-parse.in: Revert last change.
4267 (init_reswords): Do not enter disabled keywords into the ridpointers
4268 table, modulo objc weirdness.
4269 (_yylex): Return the canonical spelling for a keyword.
4271 2000-09-10 Philip Blundell <philb@gnu.org>
4273 * config/arm/arm.h (CPP_ISA_SPEC): Don't define `arm' or `thumb'.
4274 * config/arm/linux-elf.h (CPP_PREDEFINES): Don't define `__arm__'.
4276 Sun Sep 10 14:30:28 EDT 2000 John Wehle (john@feith.com)
4278 * alias.c (find_base_term): Handle ADDRESSOF.
4279 (memrefs_conflict_p): An ADDRESSOF doesn't conflict.
4281 2000-09-10 Denis Chertykov <denisc@overta.ru>
4283 * genoutput.c (output_insn_data): Translate <NEWLINE> to \n\ while
4284 outputting templates with many lines.
4286 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4288 * libgcc2.h: Use LONG_LONG_TYPE_SIZE instead of MIN_UNITS_PER_WORD
4289 to decide whether 64-bit support must be generated.
4291 2000-09-10 Richard Henderson <rth@cygnus.com>
4293 * c-parse.in (asm patterns): Fix volatile check.
4295 2000-09-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4297 * cppmacro.c (check_trad_stringification): New function.
4298 (save_expansion): If -Wtraditional, warn about stringification of
4301 2000-09-11 Michael Hayes <mhayes@cygnus.com>
4303 * loop.h (struct loop_mem_info): Move from loop.c
4304 (struct loop_info): Add fields store_mems, mems, mems_idx,
4305 mems_allocated, unknown_address_altered,
4306 unknown_constant_address_altered, num_mem_sets, and
4307 first_loop_store_insn.
4309 * loop.c (loop_store_mems): Replace with field in loop_info struct.
4310 (loop_mems, loop_mems_idx, loop_mems_allocated): Likewise.
4311 (unknown_address_altered, unknown_constant_address_altered): Likewise.
4312 (num_mem_sets): Likewise.
4313 (replace_loop_mems, replace_loop_regs): New.
4314 (struct loop_replace_args): New.
4315 (load_mems): Use replace_loop_mems.
4316 (try_copy_prop): Use replace_loop_regs.
4317 (replace_loop_reg, replace_loop_mem): Use loop_replace_args structure.
4319 2000-09-09 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4321 * configure.in: Recognize m6811-elf and m6812-elf.
4322 * configure: Regenerate.
4324 2000-09-09 Geoff Keating <geoffk@cygnus.com>
4326 * recog.c (validate_replace_rtx_1): Correct MODE parameter in call
4329 2000-09-10 Michael Hayes <mhayes@cygnus.com>
4331 * loop.c (struct movables): New.
4332 (num_movables): Move into struct movables.
4333 (the_movables): Change type to struct movables.
4334 (ignore_some_movables): Change struct movable arg to struct movables.
4335 (force_movables, combine_movables, regs_match_p): Likewise.
4336 (rtx_equal_for_loop_p, move_movables): Likewise.
4337 (scan_loop): Change movables to be of type struct movables.
4338 Replace last_movable with field in movables structure.
4340 2000-09-08 Zack Weinberg <zack@wolery.cumb.org>
4342 * c-pragma.c: Don't elide entire file if !HANDLE_GENERIC_PRAGMAS.
4343 (init_pragma): Avoid warning if pfile happens to be unused.
4344 * c-pragma.h: Never define HANDLE_GENERIC_PRAGMAS. Never
4345 define init_pragma to nothing. Always prototype
4346 init_pragma. Prototype dispatch_pragma if !USE_CPPLIB.
4348 * c-lex.c (process_directive): Always call dispatch_pragma.
4349 Initialize entering_c_header to 0.
4351 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4353 * config/m68hc11/m68hc11.md: New file, machine description for
4355 * config/m68hc11/m68hc11.h: New file, definitions for 68HC11 & 68HC12.
4356 * config/m68hc11/m68hc11.c: New file, functions for 68HC11 & 68HC12.
4357 * config/m68hc11/m68hc12.h: New file, definitions for 68HC12.
4358 * config/m68hc11/m68hc11-protos.h: New file.
4359 * config/m68hc11/m68hc11-crt0.S: New file, startup code.
4360 * config/m68hc11/t-m68hc11-gas: New file, makefile fragment.
4361 * config/m68hc11/xm-m68hc11.h: New file, target defs.
4362 * config/m68hc11/larith.asm: New file, libgcc routines.
4364 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4366 * Makefile.in (DPBIT_FUNCS): Add _usi_to_df.
4367 (FPBIT_FUNCS): Add _usi_to_sf.
4368 * config/fp-bit.c (usi_to_float): New function.
4369 * config/fp-bit.h (L_usi_to_sf, L_usi_to_df): Define.
4370 (usi_to_float): Add appropriate #define.
4372 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
4374 * i386-protos.h (sse_comparison_operator, mmx_reg_operand): Declare
4376 * i386.c (sse_comparison_operator, mmx_reg_operand): New functions.
4377 * i386.md (attr "type"): Add sse and mmx types.
4378 (attr "memory"): Handle them without a crash.
4379 (movsi_1, movdi_2): Allow MMX regs.
4380 (movdi splits): Don't split moves involving MMX regs.
4381 (setcc_4): Remove '*' from pattern name so we get a gen_setcc4.
4382 (movv4sf_internal, movv4si_internal, movv8qi_internal,
4383 movv4hi_internal, movv2si_internal, movv8qi, movv4hi, movv2si,
4384 movv4sf, movv4si, pushv4sf, pushv4si, pushv8qi, pushv4hi, pushv2si,
4385 sse_movaps, sse_movups, sse_movmskps, mmx_pmovmskb, mmx_maskmovq,
4386 sse_movntv4sf, sse_movntdi, sse_movhlps, sse_movlhps, sse_movhps,
4387 sse_movlps, sse_loadss, sse_movss, sse_storess, sse_shufps,
4388 addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, mulv4sf3, vmmulv4sf3,
4389 divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2, rsqrtv4sf2, vmrsqrtv4sf2,
4390 sqrtv4sf2, vmsqrtv4sf2, sse_andti3, sse_nandti3, sse_iorti3,
4391 sse_xorti3, maskcmpv4sf3, maskncmpv4sf3, vmmaskcmpv4sf3,
4392 vmmaskncmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
4393 smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
4394 cvttps2pi, cvtsi2ss, cvtss2si, cvttss2si, addv8qi3, addv4hi3,
4395 addv2si3, ssaddv8qi3, ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3,
4396 subv4hi3, subv2si3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
4397 mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
4398 mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3, mmx_uavgv8qi3,
4399 mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pextrw, mmx_pshufw,
4400 eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3, gtv2si3, umaxv8qi3,
4401 smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3, ashrv2si3, lshrv4hi3,
4402 lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3, mmx_ashldi3,
4403 mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
4404 mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
4405 mmx_punpckldq, emms, sfence, ldmxcsr, prefetch, stmxcsr, sse_clrti,
4406 mmx_clrdi): New patterns.
4408 2000-09-08 Richard Earnshaw <rearnsha@arm.com>
4410 * arm.c: Don't include tm.h directly.
4412 Fri Sep 8 14:34:56 MET DST 2000 Jan Hubicka <jh@suse.cz>
4414 * recog.c (validate_replace_rtx_1): Fix confusion about equality
4415 testing; simplify subregs of constants and nested subregs.
4417 2000-09-08 Alexandre Oliva <aoliva@redhat.com>
4419 * config/sh/sh.md (symPLT_label2reg): Use operand3 for PIC reg.
4421 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
4423 * combine.c (combine_simplify_rtx): Try to simplify VEC_SELECT of a
4425 * rtl.texi (description of USE): Add note about possible pitfalls
4427 From Richard Henderson:
4428 * reload1.c (choose_reload_regs): Compute need_mode properly.
4430 2000-09-07 Richard Henderson <rth@cygnus.com>
4432 * config/ia64/lib1funcs.asm (__divsi3): Use .s1 for frcpa.
4433 (__modsi3, __umodsi3): Likewise.
4434 (__udivsi3): Likewise. Normalize the TFmode values.
4436 2000-09-07 Geoff Keating <geoffk@cygnus.com>
4438 * config/rs6000/sol-c0.c (_start): Declare `termfunc' parameter
4440 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Use cast to suppress
4443 Fri Sep 8 03:26:38 2000 J"orn Rennecke <amylaar@redhat.co.uk>
4445 * sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): Remove.
4446 (cmpeqdi_t): Add output pattern.
4447 (cmpeqdi_t+1): Don't split when not optimizing.
4448 Restore proper splitting operation.
4450 2000-09-07 Richard Henderson <rth@cygnus.com>
4452 * c-lex.c (process_directive): If not HANDLE_GENERIC_PRAGMAS,
4453 do not call dispatch_pragma.
4455 2000-09-07 Jim Wilson <wilson@cygnus.com>
4457 * reload.c (push_reload): Use CLASS_CANNOT_CHANGE_MODE_P in addition
4458 to CLASS_CANNOT_CHANGE_MODE.
4459 * config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE_P): True only if the
4460 mode classes are different.
4462 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
4464 * cpplib.h (struct cpp_options): Add user_label_prefix member,
4465 left out of commit which removed cppulp.c.
4467 2000-09-07 Richard Henderson <rth@cygnus.com>
4469 * bb-reorder.c (fixup_reorder_chain): Add jump in new block
4470 after switch for CASE_DROPS_THROUGH.
4472 2000-09-07 Richard Henderson <rth@cygnus.com>
4474 * loop.c (strength_reduce): Call check_ext_dependant_givs.
4475 Properly extend the biv initial value for the giv.
4476 (record_biv): Zero ext_dependant.
4477 (record_giv): New argument ext_val. Update all callers.
4478 (general_induction_var): Likewise.
4479 (consec_sets_giv): Likewise.
4480 (simplify_giv_expr): Likewise. Fill in ext_val if we find
4481 a sign-extend, zero-extend, or truncate.
4482 (combine_givs_p): Make sure modes are compatible.
4483 (check_ext_dependant_givs): New.
4484 (extend_value_for_giv): New.
4485 * loop.h (struct induction): Add ext_dependant.
4486 * unroll.c (iteration_info): Extend the biv initial value for the giv.
4487 (find_splittable_givs): Likewise.
4488 (final_giv_value): Likewise.
4490 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
4492 * c-pragma.h: Define HANDLE_GENERIC_PRAGMAS if
4493 REGISTER_TARGET_PRAGMAS is defined. Duplicate some
4494 definitions from cpplib.h.
4495 * cpplib.h: Don't typedef struct cpp_reader if c-pragma.h has
4497 * tm.texi: Document HANDLE_PRAGMA as no longer supported. Add
4498 documentation for REGISTER_TARGET_PRAGMAS.
4500 * c-lex.c: Include cpplib.h before c-pragma.h. Define a
4501 default-pragma callback to implement -Wunknown-pragmas if
4503 * c-parse.in: Move all includes to top of file.
4504 * c-pragma.c: Include cpplib.h before c-pragma.h. Include
4506 (dispatch_pragma): Put the namespace in the -Wunknown-pragmas
4508 (init_pragma): If REGISTER_TARGET_PRAGMAS is defined, call it.
4510 * arm.h, arm-protos.h, arm.c,
4511 c4x.h, c4x-protos.h, c4x.c,
4512 h8300.h, h8300-protos.h, h8300.c,
4513 i370.h, i370-protos.h, i370.c,
4514 i960.h, i960-protos.h, i960.c,
4515 sh.h, sh-protos.h, sh.c,
4516 v850.h, v850-protos.h, v850.c: Convert HANDLE_PRAGMA-based
4517 pragmata scheme to use REGISTER_TARGET_PRAGMAS instead.
4519 * d30v.h: Don't mention HANDLE_PRAGMA in comment. Add
4520 multiple include guard.
4521 * i370.md (untyped_call): Use GEN_CALL.
4522 (umodsi3): Remove unused variable.
4523 * sh/elf.h: Don't undef HANDLE_SYSV_PRAGMA.
4524 * v850.c (output_move_single, output_move_double): Constify
4526 (print_operand): Constify a char *.
4527 * v850.h (struct small_memory_info): Constify name member.
4529 2000-09-07 Kazu Hirata <kazu@hxi.com>
4531 * config/h8300.h: Fix comment typos.
4532 * config/h8300/h8300.md: Likewise.
4533 * config/h8300/lib1funcs.asm: Likewise.
4535 Thu 07-Sep-2000 21:29:00 BST Neil Booth <NeilB@earthling.net>
4537 * Makefile.in: Remove references to cppulp.{c,o}.
4538 * cppinit.c (initialize_builtins, cpp_start_read,
4539 cpp_handle_option): Update to use cpp_options structure.
4542 2000-09-07 Joseph S. Myers <jsm28@cam.ac.uk>
4544 * c-common.c (time_char_table): Allow %#b and %#h.
4546 2000-09-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4548 * reorg.c (find_end_label): If the basic block reorder pass moves the
4549 return insn to some other place try to locate it again and put our
4550 end_of_function_label there.
4551 * reorg.c (relax_delay_slots): Check if find_end_label created a
4552 new label that invalidates the current optimazation.
4554 2000-09-07 Catherine Moore <clm@redhat.com>
4556 * unroll.c (unroll_loop): Check for unconditional jumps
4557 to loop continuation. Delete if n_iterations is 1.
4558 (ujump_to_loop_cont): New routine.
4560 2000-09-07 Bernd Schmidt <bernds@redhat.co.uk>
4562 * rtl.c (class_narrowest_mode): Add entries for MODE_VECTOR_INT and
4564 * reload.c (regno_clobbered_p): Accept new arg, MODE, and use it
4565 to handle multiword modes correctly. All callers and the declaration
4568 2000-09-06 Mark Mitchell <mark@codesourcery.com>
4570 * c-common.h (prep_stmt): Declare.
4571 (lang_expand_stmt): Likewise.
4572 * c-decl.c (lang_expand_stmt): Remove.
4573 * c-semantics.c (lang_expand_stmt): Define.
4574 (prep_stmt): New function.
4575 (expand_stmt): Handle common statement types here.
4577 2000-09-07 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>, Alexandre Oliva <aoliva@redhat.com>
4579 * configure.in (sh-*-linux*): Added.
4580 * configure: Rebuilt.
4581 * config/sh/t-linux: New file.
4582 * config/sh/sh.h (USERMODE_BIT): Define.
4583 (TARGET_USERMODE): Likewise.
4584 (TARGET_SWITCHES): New switches for the bits above.
4585 (INITIALIZE_TRAMPOLINE): Call __ic_invalidate in USERMODE.
4586 * config/sh/linux.h: New file.
4587 * config/sh/lib1funcs.asm (GLOBAL): Don't prefix symbols with
4588 underscore on linux.
4589 (L_sdivsi3, L_udivsi3): Define for linux.
4590 (L_ic_invalidate): Define.
4591 * invoke.texi (SH Options): Document -musermode.
4593 2000-09-07 Alexandre Oliva <aoliva@redhat.com>
4595 * config/sh/sh.h (OVERRIDE_OPTIONS): Don't disable function
4596 CSE unless generating PIC.
4598 * config/sh/sh.md (symPLT_label2reg): Force the initialization of
4601 2000-09-06 H.J. Lu (hjl@gnu.org)
4603 * Makefile.in (clean_s1): Depend on stage_b.
4604 (clean_s2): Depend on stage_d. Don't remove $(VOL_FILES) in
4605 stage2. They are used for "make compare".
4607 2000-09-06 Mark Mitchell <mark@codesourcery.com>
4609 Move statement-tree facilities from C++ to C front-end.
4610 * c-common.h (c_tree_index): Add CTI_VOID_ZERO.
4611 (void_zero_node): New macro.
4612 (struct stmt_tree_s): New type.
4613 (stmt_tree): New typedef.
4614 (struct language_function): New type.
4615 (last_tree): New macro.
4616 (last_expr_type): Likewise.
4617 (walk_tree_fn): New typedef.
4618 (current_stmt_tree): New function.
4619 (begin_stmt_tree): Likewise.
4620 (add_stmt): Likewise.
4621 (finish_stmt_tree): Likewise.
4622 (statement_code_p): Likewise.
4623 (lang_statement_code_p): New variable.
4624 (walk_stmt_tree): New function.
4625 (STMT_IS_FULL_EXPR_P): New macro.
4626 * c-common.c (lang_statement_code_p): New variable.
4627 (c_common_nodes_and_builtins): Initialize void_zero_node.
4628 (statement_code_p): New function.
4629 (walk_stmt_tree): Likewise.
4630 * c-decl.c (language_function): Rename to ...
4631 (c_language_function): ... this. Include language_function.
4632 (push_c_function_context): Adjust accordingly.
4633 (pop_c_function_context): Likewise.
4634 (mark_c_function_context): Likewise.
4635 (current_stmt_tree): Define.
4636 * c-semantics.c (begin_stmt_tree): New function.
4637 (add_stmt): Likewise.
4638 (prune_unused_decls): Likewise.
4639 (finish_stmt_tree): Likewise.
4641 2000-09-06 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4643 * flow.c (insn_dead_p): Detect dead memory stores with auto increments.
4645 2000-09-06 Kazu Hirata <kazu@hxi.com>
4647 * calls.c: Fix formatting.
4649 2000-09-06 Graham Stott <grahams@cygnus.co.uk>
4651 * config/i386/i386.h (ADDRESS_COST): Fix typo.
4653 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
4655 Integrated preprocessor.
4657 * Makefile.in: Remove all references to c-parse.gperf,
4658 c-gperf.h, and c-parse.h. Remove -d from yacc command line
4659 generating c-parse.c. Update dependencies.
4660 * c-parse.gperf, c-gperf.h: Delete.
4662 * c-common.c: Don't define parse_options, cpp_token, yy_cur,
4663 yy_lim, or yy_get_token. Don't define get_directive_line if
4665 * c-common.h: Add multiple include guard. Define RID values
4666 for every keyword in C, C++, and Objective C. Put all the
4668 (struct c_fileinfo, get_fileinfo, dump_time_statistics): New.
4669 * c-decl.c (c_decode_option): Handle -lang-objc here.
4670 (print_lang_identifier): Handle C_IS_RESERVED_WORD case.
4671 (grokdeclarator): Adjust for new RID scheme.
4672 (extract_interface_info): New stub.
4673 * c-lang.c: Don't declare yy_cur or parse_options.
4674 (lang_init_options): Call cpp_init. Don't call
4676 (lang_init): Don't call check_newline if USE_CPPLIB.
4678 * c-lex.c: Don't include c-parse.h. Do include timevar.h.
4679 Elide lots of unnecessary code if USE_CPPLIB. Delete code
4680 rendered unnecessary by new architecture. Move routines not
4681 shared with C++ to c-parse.in. Maintain a local idea of the
4682 line number. Handle C++ as well as C.
4683 [USE_CPPLIB]: Declare and register callbacks for #ident and
4684 for entering/leaving files.
4685 (init_c_lex, c_lex): Are now the entry points to this file.
4686 (check_newline): Break out directive handling to
4688 (read_ucs, is_extended_char, utf8_extend_token): Moved here
4690 (readescape, parse_float): Overhaul.
4691 (lex_number, lex_string, lex_charconst): Break out of c_lex
4693 (get_fileinfo, update_header_times, dump_one_header,
4694 dump_time_statistics): New and/or moved here from C++.
4695 Support per-file data needed by C++ and per-header timing
4696 statistics (C++ only, at the moment).
4697 * c-lex.h: Update prototypes. Add multiple include guard.
4698 * c-tree.h (struct lang_identifier): Add rid_code field.
4699 (C_IS_RESERVED_WORD, C_RID_CODE): New.
4701 * c-parse.in: Include c-pragma.h. Remove unnecesary calls to
4702 reinit_parse_for_function and/or position_after_white_space.
4703 (save_filename, save_lineno): Look ahead before saving.
4704 (label -> identifier ':'): Save file and line before shifting ':'.
4705 (reservedwords): No need to call get_identifier.
4706 (init_parse, finish_parse, yyerror, yylex, yyprint,
4707 make_pointer_declarator): Are now here for C/ObjC.
4708 (rid_to_yy): Conversion table from RID constants to Yacc codes.
4710 * c-pragma.c: Rewrite parsing logic to fit with cpplib's
4711 #pragma registry. Provide dummy implementation of that
4712 interface if !USE_CPPLIB.
4713 * c-pragma.h: Update to match.
4715 * flags.h: Add multiple include guard.
4716 (flag_detailed_statistics): Moved here from C++.
4717 * toplev.c: Define flag_detailed_statistics.
4719 * gcc.c (C specs): Use %(trad_capable_cpp) for -E|-M|-MM case
4721 * timevar.def (TV_CPP, TV_LEX): New.
4722 * timevar.h: Add multiple include guard.
4724 * objc/lang-specs.h: Use %(trad_capable_cpp) for -E|-M|-MM case
4726 * objc/objc-act.c: Don't mention yy_cur or parse_options.
4727 Initialize cpplib properly. Force lineno to 0 after first
4728 call to check_newline. Don't handle -lang-objc here.
4729 Move forget_protocol_qualifiers and remember_protocol_qualifiers here.
4731 2000-09-06 David Edelsohn <edelsohn@gnu.org>
4733 * rs6000.md: Correct function unit definitions for cr_logical and
4735 (sCOND): Additionally fail for sgt, slt, sge, sle if !TARGET_POWER
4736 and use portable method for >=0 and floating point >=. Remove
4737 associated matchers.
4739 2000-09-06 Mark Mitchell <mark@codesourcery.com>
4741 * extend.texi: Mark named return value extension as deprecated.
4743 2000-09-06 Geoff Keating <geoffk@cygnus.com>
4745 * config/rs6000/rs6000.c (rs6000_reverse_condition): Return
4748 2000-09-06 Gabriel Dos Reis <gdr@codesourcery.com>
4750 * toplev.c (display_help): Fix thinko in documentation.
4752 * diagnostic.h (output_buffer::indent_skip): New fields.
4753 (output_indentation): New macro.
4755 * diagnostic.c (output_indent): New function.
4756 (output_set_prefix, clear_diagnostic_info): Use.
4757 (output_emit_prefix): Predict future indentation.
4759 2000-09-06 DJ Delorie <dj@redhat.com>
4761 * Makefile.in (stage_*): add more dependencies to ensure parallel
4762 builds build correctly
4764 2000-09-06 Manfred Hollstein <manfredh@redhat.com>
4766 * Makefile.in (bootstrap-lean): Depend on bootstrap-lean_g,
4767 not bootstrap-lean_f.
4769 2000-09-06 Andreas Schwab <schwab@suse.de>
4771 * mklibgcc.in: Emit rule for libgcc-stage-start.
4772 * Makefile.in (stage1-start, stage2-start, stage3-start,
4773 stage4-start): Don't handle libgcc here, use libgcc.mk instead.
4775 2000-09-06 Bernd Schmidt <bernds@redhat.co.uk>
4777 * local-alloc.c (local_alloc): Ignore CLASS_LIKELY_SPILLED.
4778 (update_equiv_regs): Likewise, except for the mn10200 kludge.
4779 (combine_regs): Likewise.
4781 * Makefile.in (cse.o): Depend on $(BASIC_BLOCK_H).
4782 * cse.c: Include "basic-block.h".
4783 (struct table_elt): New field REGCOST.
4784 (CHEAP_REG): Delete macro.
4785 (COST): Return 0 for REGs.
4786 (approx_reg_cost_1, approx_reg_cost, preferrable): New functions.
4787 (notreg_cost): Return 0 for appropriate SUBREGs.
4788 (COSTS_N_INSNS): Return N * 2.
4789 (rtx_cost): Return 0 for REGs, and use cost of nested rtx for cheap
4791 (CHEAPER): Use new function preferrable.
4792 (insert): Initialize REGCOST member.
4793 (find_best_addr): Use approx_reg_cost for estimation of register
4795 (cse_insn): Likewise.
4796 * loop.c (iv_add_mult_cost): New function.
4797 (add_cost, shift_cost, mult_cost): Delete variables.
4798 (init_loop): Don't initialize add_cost; reduce copy_cost by half.
4799 (strength_reduce): Use iv_add_mult_cost instead of fixed add_cost.
4800 Make code that detects autoinc opportunities slightly less optimistic.
4801 (simplify_giv_expr): If expression contains other reg that is also a
4802 giv, only increment benefit if this is the only use of that reg.
4803 (consec_sets_giv): Take that change into account.
4804 (combine_givs): Slightly more verbose output.
4806 * i386.h (RTX_COSTS): For MULT, return true cost of multiplication,
4807 not the cost of an equivalent shift.
4808 * sh-protos.h (addsubcosts): Declare.
4809 * sh.c (addsubcosts): New function.
4810 * sh.h (CONST_COSTS): If CONST_OK_FOR_I, then return 0.
4811 (RTX_COSTS): Tweak. Use addsubcosts.
4812 (ADDRESS_COST): Return higher cost for reg+reg addressing.
4814 2000-09-06 Geoff Keating <geoffk@cygnus.com>
4816 * config/rs6000/rs6000.c (validate_condition_mode): New function.
4817 (branch_comparison_operator): Call validate_condition_mode to
4818 abort rather than returning 0.
4819 (branch_positive_comparison_operator): New function.
4820 (scc_comparison_operator): Call validate_condition_mode to abort
4821 rather than returning 0.
4822 (ccr_bit): Call validate_condition_mode. Update for
4824 (print_operand): Delete %C modifier. Update %E case
4825 to use EQ bit not SO bit.
4826 (rs6000_reverse_condition): New function.
4827 (rs6000_generate_compare): New function.
4828 (rs6000_emit_sCOND): New function.
4829 (rs6000_emit_cbranch): New function.
4830 (output_cbranch): The length of a long branch insn is
4831 now only 8 bytes. Add validate_condition_mode. Use
4832 rs6000_reverse_condition. Remove cror generation.
4834 * config/rs6000/rs6000.h: Update comments.
4835 (PREDICATE_CODES): Add new predicate. Update codes used
4836 by branch_comparison_operator and scc_comparison_operator.
4837 * config/rs6000/rs6000-protos.h: Add prototypes for
4838 new external functions.
4839 * config/rs6000/rs6000.md: Add new scheduling parameters
4840 for cr_logical instructions. Change length of branch
4842 (bCOND patterns): Call rs6000_emit_cbranch.
4843 (sCOND patterns): Call rs6000_emit_sCOND.
4844 (branch patterns): Change lengths to 4.
4845 (cr logical patterns): New.
4847 2000-09-06 Richard Henderson <rth@cygnus.com>
4849 * config/i386/i386.md (call_pop): Fix test for setting
4850 current_function_uses_pic_offset_table.
4851 (call, call_value_pop, call_value): Likewise.
4853 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
4855 * timevar.c (timevar_add): Delete.
4856 (timevar_get): Also count time since the selected timer was
4857 last updated. Do not examine the timevar stack if the
4858 selected timer is standalone.
4860 2000-09-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
4862 * gthr-dce.h (__gthread_objc_mutex_deallocate): Free mutex->backend.
4864 2000-09-05 Jason Merrill <jason@redhat.com>
4866 * c-decl.c (finish_incomplete_decl): Don't call complete_array_type
4867 for 'extern' arrays.
4869 2000-09-05 Richard Henderson <rth@cygnus.com>
4871 * config/ia64/lib1func.asm (__divtf3): Rebundle for Itanium.
4872 Eliminate final copy from non-trapping case.
4873 (__divdf3, __divsf3): Likewise.
4875 2000-09-05 Richard Henderson <rth@cygnus.com>
4877 * config/ia64/ia64.md (mulhi3): Fix typo last change.
4878 * config/ia64/lib1func.asm (__divdi3, __udivdi3, __umodsi3): Likewise.
4880 2000-09-03 Donn Terry <donn@interix.com>, Laurynas Biveinis <lauras@softhome.net>
4882 * Makefile.in: Restructure bootstrap stages to allow clean
4883 restart after failure.
4885 2000-09-05 Richard Henderson <rth@cygnus.com>
4887 * config/ia64.md (movsi and movdi patterns): Allow moves from
4888 8-bit constants to AR registers.
4890 2000-09-05 Richard Henderson <rth@cygnus.com>
4892 * config/ia64/ia64.md (mulhi3): New.
4894 2000-09-05 Richard Henderson <rth@cygnus.com>
4896 * config/ia64/ia64.h (INIT_TARGET_OPTABS): Remove.
4897 * config/ia64/lib1funcs.asm (__divdi3): Update from Intel IA-64
4898 Optimization Guide, minimum latency alternative.
4899 (__moddi3, __udivdi3, __umoddi3): Likewise.
4900 (__divsi3, __modsi3, __udivsi3, __umodsi3): Likewise.
4902 2000-09-05 Bruce Korb <bkorb@gnu.org>
4904 * fixinc/fixincl.c (load_file): always read header files
4905 with sizes that are a multiple of the page size.
4906 & use libiberty's getpagesize for determining that.
4908 2000-09-05 Alexandre Oliva <aoliva@redhat.com>
4910 * gcse.c (hash_string_1): Add prototype.
4911 * cse.c (canon_hash_string): Likewise.
4913 2000-09-04 Craig Newell <CraigN@ieee.org>
4915 * gcc.c: Undefine "__WCHAR_TYPE__" before redefining it.
4917 2000-09-04 Andreas Schwab <schwab@suse.de>
4919 * Makefile.in (STAGESTUFF): Remove libgcc.
4920 (stage1-start, stage2-start, stage3-start): Copy the contents of
4921 the libgcc directory explicitly.
4922 (mostlyclean): Clean libgcc.
4924 2000-09-04 Andrew Haley <aph@redhat.com>
4926 * dwarf2out.c: (stack_adjust_offset): New prototype.
4928 Wed Jan 1 00:23:59 MET 1997 Jan Hubicka <jh@suse.cz>
4930 * combine.c (make_extraction): Fix rtx_cost comparison to
4933 Wed Jan 1 00:17:32 MET 1997 Jan Hubicka <jh@suse.cz>
4935 * i386.md (pushsi2, pushhi2, pophi2, swapsf, swapdf,
4936 umulsi3_highpart, smulsi3_highpart, testqi_ccno_1, xorqi_ext_1):
4937 Add '*' to insn pattern name.
4939 2000-09-04 Jakub Jelinek <jakub@redhat.com>
4941 * cpplex.c (ON_REST_ARG): Check VAR_ARGS flag of current context,
4942 use posn - 1 to index into tokens array.
4943 (maybe_paste_with_next): Adjust caller.
4945 2000-09-03 Geoff Keating <geoffk@cygnus.com>
4947 * invoke.texi: Document the -mvxworks option for rs6000 ELF.
4949 * config/rs6000/rs6000.h: Update various comments about XER_REGNO.
4950 (REGNO_REG_CLASS): Use symbolic register
4953 2000-09-03 Richard Earnshaw <rearnsha@arm.com>
4955 * arm.c (final_prescan_insn): If the form of a jump insn isn't
4956 recognized, don't try to conditionally execute it.
4958 Sun Sep 3 13:10:56 2000 Denis Chertykov <denisc@overta.ru>
4960 * config/avr/avr.md ("*tablejump_lib"): New pattern.
4961 (call_value_insn): Right length claculation.
4962 (call_insn): Likewise.
4964 2000-09-02 Marek Michalkiewicz <marekm@linux.org.pl>
4966 * config/avr/avr-protos.h, config/avr/avr.c (unique_section,
4967 gas_output_limited_string, gas_output_ascii, output_movqi,
4968 output_movhi, out_movqi_r_mr, out_movqi_mr_r, out_movhi_r_mr,
4969 out_movhi_mr_r, out_movsi_r_mr, out_movsi_mr_r, output_movsisf,
4970 out_tstsi, out_tsthi, ret_cond_branch, ashlqi3_out, ashlhi3_out,
4971 ashlsi3_out, ashrqi3_out, ashrhi3_out, ashrsi3_out, lshrqi3_out,
4972 lshrhi3_out, lshrsi3_out, output_reload_inhi, output_reload_insisf,
4973 out_shift_with_cnt, ptrreg_to_str, cond_string, encode_section_info):
4974 Add "const" as needed to remove warnings.
4976 * config/avr/avr.c (avr_override_options, avr_init_once,
4977 function_prologue, function_epilogue, frame_pointer_required_p,
4978 class_likely_spilled_p, order_regs_for_local_alloc,
4979 avr_address_cost, avr_ret_register): Use K&R style arguments.
4980 (initial_elimination_offset, gas_output_limited_string):
4981 Remove ATTRIBUTE_UNUSED from the used arguments.
4982 (output_mov*, out_mov*_r_mr, out_mov*_mr_r, output_reload_insisf):
4983 Use local variables src, dest, base to access operands[].
4984 Rename reg_dest to reg_src if that's what it is.
4985 (output_movhi, output_movsisf): Optimize loading 8-bit immediate
4986 constants to LD_REGS if reg_was_0.
4987 (output_reload_insisf): Change arg 3 to insn length and set it.
4988 (out_movhi_r_mr, out_movhi_mr_r): Use in/out for more efficient
4989 access to 16-bit I/O register pairs.
4990 (avr_address_cost): Lower cost for the above case.
4991 (out_tsthi): Use "or" (faster) instead of "sbiw" if the operand
4992 may be clobbered, also for LD_REGS.
4993 (adjust_insn_length): Correct insn length for iorhi3 and iorsi3
4996 * config/avr/avr.h (PTRDIFF_TYPE): Make signed.
4998 * config/avr/avr.md: Change all uses of the TEST_HARD_REG_CLASS
4999 macro to test_hard_reg_class function.
5000 (*movsi, *movsf): Change "cc" attribute from "clobber" to "none"
5001 for loading immediate constants to LD_REGS.
5002 (andsi3, cmphi, cmpsi): Add return statements to avoid warnings.
5005 Sat Sep 2 13:58:23 2000 Marek Michalkiewicz <marekm@linux.org.pl>
5007 * config/avr/avr.md ("*negsi2"): substitute %@ to __zero_reg__
5008 * config/avr/libgcc.S: Lost part of the previous patch.
5010 2000-08-31 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5012 * gthr-dce.h (__gthread_objc_mutex_allocate): Create a pthread_mutex_t
5013 object before calling pthread_mutex_init.
5015 2000-09-02 Alexandre Oliva <aoliva@redhat.com>
5017 * config/sh/t-elf, config/sh/crt1.asm, config/sh/crti.asm,
5018 config/sh/crtn.asm: New files.
5019 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Set.
5020 (crt1.o, crti.o, crtn.o): New targets.
5021 * configure.in [sh-*-elf*, sh-*-rtemself*] (tmake_file): Added
5023 * configure: Rebuilt.
5024 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
5025 STARTFILE_SPEC, ENDFILE_SPEC, CRT_CALL_STATIC_FUNCTION): Define.
5026 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
5027 Undefine for config/elfos.h to redefine.
5028 (STARTFILE_SPEC, ENDFILE_SPEC): Redefine after config/elfos.h.
5030 2000-09-02 Alexandre Oliva <aoliva@redhat.com>, Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
5032 * config/sh/sh-protos.h (nonpic_symbol_mentioned_p,
5033 legitimize_pic_address, output_pic_addr_const): Declare.
5034 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Fix PIC register.
5035 (PREFERGOT_BIT, TARGET_PREFERGOT): Likewise.
5036 (TARGET_SWITCHES): New switch -mprefergot.
5037 (OVERRIDE_OPTIONS): Set flag_no_function_cse unless -mprefergot.
5038 (PIC_OFFSET_TABLE_REGNUM): Define.
5039 (GOT_SYMBOL_TABLE): Likewise.
5040 (LEGITIMIZE_ADDRESS): Use legitimize_pic_address.
5041 (ENCODE_SECTION_INFO): Define.
5042 (FINALIZE_PIC): New macros.
5043 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST_P): New macro.
5044 (ASM_OUTPUT_INT, ASM_OUTPUT_SHORT): Use output_pic_addr_const.
5045 * config/sh/sh.c (print_operand_address): Use output_pic_addr_const.
5046 (prepare_move_operands): Call emit_pic_move or
5047 emit_pic_const_move if appropriate.
5048 (output_far_jump): For PIC, use braf and output long offset.
5049 (machine_dependent_reorg):
5050 (sh_expand_prologue): Save and initialize the PIC register.
5051 (sh_expand_epilogue): Restore it.
5052 (initial_elimination_offset): Account for it.
5053 (nonpic_symbol_mentioned_p): New function.
5054 (legitimize_pic_address): Likewise.
5055 (output_pic_addr_const): Likewise.
5056 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): New insns.
5057 (call, call_value): Use them.
5058 (GOTaddr2picreg, sym_label2reg, symGOT2reg, symGOTOFF2reg,
5059 symPLT_label2reg): New expands.
5060 * invoke.texi (SH Options): Document -mprefergot.
5062 2000-09-01 Alexandre Oliva <aoliva@redhat.com>
5064 * rtl.h (ASM_OPERANDS_INPUT_CONSTRAINT_EXP): New macro.
5065 * gcse.c (hash_string_1): New function.
5066 (hash_expr_1) <ASM_OPERANDS>: Disregard filename and line number.
5067 (expr_equiv_p) <ASM_OPERANDS>: Likewise.
5068 * cse.c (rtx_cost): Don't increase the cost of ASM_OPERANDS.
5069 (canon_hash_string): New function.
5070 (canon_hash) <ASM_OPERANDS>: Disregard filename and line number.
5071 (exp_equiv_p) <ASM_OPERANDS>: Likewise.
5072 (fold_rtx): Use ASM_OPERANDS accessor macros.
5073 * emit-rtl.c (copy_insn_1): Likewise.
5074 * integrate.c (copy_rtx_and_substitute): Likewise.
5075 * stmt.c (expand_asm_operands): Likewise. Give an
5076 ASM_OPERANDS rtx the mode of the output reg being set from it.
5078 2000-09-01 Fred Fish <fnf@be.com>
5080 * fix-header.c (write_rbrac): Add putc and getc to list of
5081 functions to protect against prior definition as a macro.
5083 2000-09-01 Joseph S. Myers <jsm28@cam.ac.uk>
5085 * c-common.h (enum c_tree_index): Add CTI_C_SIZE_TYPE.
5086 (c_size_type_node): Define.
5087 * c-decl.c (init_decl_processing): Initialize c_size_type_node.
5088 * c-common.c (enum format_lengths, enum format_std_version,
5089 format_length_info, format_type_detail, BADLEN, NOLENGTHS,
5090 format_kind_info, printf_length_specs, scanf_length_specs, T89_I,
5091 T99_I, T89_L, T99_LL, TEX_LL, T89_S, T89_UI, T99_UI, T89_UL,
5092 T99_ULL, TEX_ULL, T89_US, T89_F, T99_F, T89_D, T99_D, T89_LD,
5093 T99_LD, T89_C, T99_SC, T99_UC, T89_V, T94_W, TEX_W, T94_WI,
5094 TEX_WI, T99_ST, T99_SST, T99_PD, T99_UPD, T99_IM, T99_UIM,
5095 format_types): Define.
5096 (format_char_info, print_char_table, scan_char_table,
5097 time_char_table): Rearrange for new organization of information
5098 about format length modifiers and standard versions.
5099 (T_ST): Redefine to use c_size_type_node.
5100 (check_format_info): Obtain information about length modifiers and
5101 standard versions from tables. Adjust warning message wordings.
5102 Use the name from the user's program for `ll' and `hh' length
5103 modifiers in warning messages. Use more informative names for
5104 wanted types where available (for wchar_t, wint_t, size_t, signed
5105 size_t, ptrdiff_t, unsigned ptrdiff_t, intmax_t and uintmax_t).
5107 2000-09-01 Jim Wilson <wilson@cygnus.com>
5109 * calls.c (emit_call_1): Add REG_NORETURN note to call if ECF_NORETURN.
5110 * combine.c (distribute_notes): Handle REG_NORETURN.
5111 * rtl.c (reg_note_name): Add REG_NORETURN.
5112 * rtl.h (enum reg_note): Likewise.
5114 * config/ia64/ia64-protos.h (emit_safe_across_calls): Renamed from
5116 * config/ia64/ia64.c (emit_safe_across_calls): Likewise.
5117 (rtx_needs_barrier): Handle unspec_volatile 8 and 9.
5118 (emit_predicate_relation_info): Handle conditional calls with
5120 * config/ia64/ia64.h (ASM_FILE_START): Call emit_safe_across_calls
5121 instead of ia64_file_start.
5122 * config/ia64/sysv4.h (ASM_FILE_START): Likewise.
5123 * config/ia64/ia64.md (safe_across_calls_all,
5124 save_across_calls_normal): New patterns.
5126 * loop.c (check_final_value): Check for biv use before checking for
5127 giv use. Check for both biv and giv uses. Always set last_giv_use
5128 if there is a giv use.
5130 2000-09-01 Richard Henderson <rth@cygnus.com>
5132 * config/ia64/ia64.md (mulsi3): Use grfr_register_operand.
5133 (madddi3): Likewise.
5136 Fri Sep 1 10:59:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5138 * expr.c (clear_storage): Don't use emit_move_insn unless
5139 either BLKmode or proper size.
5140 (store_constructor): Don't call clear_storage if REG of wrong size.
5142 * flow.c (init_propagate_block_info): Don't mark frame dead at end
5143 of function if returns wiht stack pointer depressed.
5145 2000-09-01 Andrew Haley <aph@redhat.com>
5147 * dwarf2out.c (stack_adjust_offset): New function.
5148 (dwarf2out_stack_adjust): Break out stack adjust logic into
5149 new stack_adjust_offset function. Look inside parallels and
5150 sequences for stack adjustments.
5152 2000-08-31 Jeff Law <law@cygnus.com>
5154 * arm.md: Use no_new_pseudos to determine when it is safe
5155 to create new pseudo registers.
5157 * arm.c (legitimize_pic_address): Use no_new_pseudos to determine
5158 when we can safely allocate new registers.
5160 2000-08-31 Geoffrey Keating <geoffk@cygnus.com>
5162 * stmt.c (expand_asm_operands): Twiddle generating_concat_p
5163 so that CONCATs are not generated for ASMs.
5164 * emit-rtl.c (gen_reg_rtx): Don't generate CONCATs when
5165 not generating_concat_p.
5166 * function.c (pop_function_context_from): Reset
5167 generating_concat_p.
5168 (prepare_function_start): Likewise.
5169 * rtl.c (generating_concat_p): Define.
5170 * rtl.h (generating_concat_p): Declare.
5171 * toplev.c (rest_of_compilation): No CONCATs after RTL generation.
5173 2000-08-22 Philipp Thomas <pthomas@suse.de>
5174 Masanobu Yuhara <yuhara@flab.fujitsu.co.jp>
5176 * gmicro.h (TARGET_SWITCHES): Add descriptions and mark them
5179 2000-08-30 Greg McGary <greg@mcgary.org>
5181 * Makefile.in (fixinc.sh): Pass CC, CFLAGS and LDFLAGS to mkfixinc.sh
5182 * fixinc/Makefile.in (fixincl): Pass $(LDFLAGS) to $(CC).
5183 * fixinc/mkfixinc.sh: Pass $CC, $CFLAGS and $LDFLAGS to $MAKE.
5185 2000-08-30 Greg McGary <greg@mcgary.org>
5187 * tree.h (struct tree_int_cst): Wrap low and high in a sub-struct.
5188 (TREE_INT_CST_LOW, TREE_INT_CST_HIGH): Access through sub-struct.
5189 (TREE_INT_CST): New macro.
5190 * varasm.c (const_hash, compare_constant_1, record_constant_1):
5191 Use new macro TREE_INT_CST.
5193 Wed 30-Aug-2000 23:18:59 BST Neil Booth <NeilB@earthling.net>
5195 * contrib.texi: Add self.
5197 2000-08-30 Alexandre Oliva <aoliva@redhat.com>
5199 * config/sh/sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): New insns.
5200 (cmpeqdi_t splitter): Use cmpeqsi_and_t instead of emitting jumps
5203 2000-08-30 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5205 * fixinc/gnu-regex.c: Don't define `const'.
5207 Tue Aug 29 22:09:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5209 * expr.c (store_constructor): Allow variable bounds of array type.
5210 (expand_expr): Don't blow up if type is ERROR_MARK.
5211 * varasm.c (output_constructor): Don't access lower bound of array
5212 type unless need it if index is supplied (so it can be a variable
5213 if no index is supplied).
5214 Use tree_low_cst; use HOST_WIDE_INT for sizes; change BITPOS to POS.
5215 Other minor cleanups.
5217 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5219 * Makefile.in: Revamp handling of cflags to allow different WARN_CFLAGS
5220 for compilations in stage 1 and subsequent stages, respectively.
5221 * configure.in (vax): Add compiler-dependent CFLAGS for stage 1.
5222 * configure: Rebuilt.
5223 * x-vax, x-vax-gcc: Deleted.
5225 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
5227 * c-common.c (declare_function_name): Use func_id_node,
5228 function_id_node, and pretty_function_id_node. Do not make
5229 __func__ visible at file scope.
5230 * c-common.h (c_tree_index): Add CTI_FUNCTION_ID,
5231 CTI_PRETTY_FUNCTION_ID, and CTI_FUNC_ID.
5232 (function_id_node, pretty_function_id_node, func_id_node): New
5234 * c-decl.c (init_decl_processing): Initialize function_id_node,
5235 pretty_function_id_node, and func_id_node.
5236 (c_make_fname_decl): Correct comment.
5238 * tree.h (struct tree_identifier): Constify pointer member.
5240 * c-decl.c (pushdecl, implicit_decl_warning): Constify a char *.
5241 * c-pragma.h (struct weak_syms): Constify name and value members.
5242 (add_weak): Constify arguments.
5244 * calls.c (special_function_p): Constify a char *.
5245 (expand_call): Remove variable which is initialized and then
5247 * dependence.c (struct def_use, struct induction, struct subscript):
5248 Constify 'variable' member.
5249 (get_low_bound, have_induction_variable): Constify char * argument.
5250 (find_induction_variable): Add braces to avoid dangling else.
5251 (classify_dependence): Constify char * arrays.
5252 * profile.c (output_func_start_profiler): Constify a char *.
5253 * stor-layout.c (finalize_record_size): Constify a char *.
5254 * tree.c (is_attribute_p): Constify a char *.
5255 * varasm.c (add_weak, remove_from_pending_weak_list): Constify argument.
5257 * varasm.c (make_function_rtl, make_decl_rtl): Rearrange code
5258 for comprehensibility. Do not call get_identifier if we did
5259 not change the DECL_ASSEMBLER_NAME of the decl. Use alloca to
5260 create temporary string constants, not ggc_alloc_string. No
5261 need to copy result of ASM_FORMAT_PRIVATE_NAME. Use const
5262 char * to hold IDENTIFIER_POINTERs.
5264 2000-08-29 Richard Henderson <rth@cygnus.com>
5266 * config/ia64/ia64.md (muldi3): Use grfr_register_operand
5269 2000-08-29 Richard Henderson <rth@cygnus.com>
5271 * reload.c (push_secondary_reload): Allow class == reload_class
5272 if we're using a reload_in/out pattern.
5274 * config/ia64/ia64.md (reload_inti): Use a TImode scratch. Use
5275 the half that does not conflict with the reload register.
5276 (reload_outti): Likewise.
5278 2000-08-29 Kazu Hirata <kazu@hxi.com>
5280 * reload.c: Fix formatting.
5282 * stmt.c: Fix formatting.
5284 * gcc.c: Fix formatting.
5286 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
5288 * flags.h (time_report, mem_report): New global flags.
5289 * toplev.c: Define time_report and mem_report.
5290 (f_options): Add -ftime-report and -fmem-report.
5291 (compile_file): Turn on time_report if quiet_flag is off.
5292 Call ggc_print_statistics at very end if mem_report is on.
5293 * timevar.c (TIMEVAR_ENABLE): Examine time_report, not quiet_flag.
5295 * ggc-common.c (ggc_print_statistics): Rename to
5296 ggc_print_common_statistics; all callers changed. Scale
5297 quantities above 10K to kilobytes and above 10M to megabytes.
5298 * ggc-page.c (ggc_page_print_statistics): Rename to
5299 ggc_print_statistics. Report memory consumed by internal data
5300 structures for each allocation bucket. Scale quantities above
5301 10K to kilobytes and above 10M to megabytes.
5302 * ggc-simple.c: Prototype debug_ggc_tree to avoid warning.
5303 Cast PTR_KEY(p) to unsigned long in fprintf call to avoid warning.
5304 Define tally_leaves always.
5305 (ggc_print_statistics): New function.
5306 * ggc.h: Adjust for renamed functions.
5308 Wed Aug 30 00:11:42 2000 Denis Chertykov <denisc@overta.ru>
5310 * config/avr/avr.md ("*movsf","*movsi"): Pass NULL to
5311 output_movsisf instead of which_alternative.
5313 * config/avr/avr.c (output_reload_inhi): Check for NULL ponter.
5315 Tue Aug 29 22:29:58 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
5317 * config/avr/avr-protos.h: (avr_output_ascii) Removed.
5318 (avr_progmem_p): New prototype.
5319 (output_movsisf): Prototype declaration changed.
5320 (output_movqi): New prototype.
5321 (output_movhi): New prototype.
5322 (call_insn_operand): Likewise.
5323 (final_prescan_insn): Likewise.
5324 (avr_simplify_comparision_p): Likewise.
5325 (avr_normalize_condition): Likewise.
5326 (compare_eq_p): Likewise.
5327 (out_shift_with_cnt): Likewise.
5328 (const_int_pow2_p): Likewise.
5329 (output_reload_inhi): Prototype declaration changed.
5331 * config/avr/avr.c: (debug_hard_reg_set): Prototype declared.
5332 (ldi_reg_rtx): New. rtx for r31.
5333 (avr_init_stack): Initialize as "__stack".
5334 (function_prologue): Use it.
5335 Replace all TARGET_ENHANCED with AVR_ENHANCED.
5336 (avr_mcu_name): Initialize as "avr2".
5337 (avr_enhanced_p, avr_mega_p): New variables.
5338 (mcu_types, avr_override_options): Handle all known MCU types.
5339 Also handle avr1 (only preprocess, assemble and link).
5340 (print_operand): Using of `%K' in output template removed.
5341 (out_movqi_r_mr): Optimized.
5342 (out_movhi_r_mr): Likewise.
5343 (output_movqi): New function.
5344 (output_movhi): Likewise.
5345 (out_movsi_r_mr): Optimized.
5346 (output_movsisf): Compute insn length for `adjust_insn_length'
5347 (out_movqi_mr_r): Optimized.
5348 (out_movhi_mr_r): Optimized.
5349 (adjust_insn_length): Use output_movsisf, output_movqi,
5350 output_movhi for insn length adjusting.
5351 (reg_unused_after): Use dead_or_set_p.
5352 (preferred_reload_class): Now havn't any restriction.
5353 (reg_was_0): New function.
5354 (io_address_p): Likewise.
5355 (const_int_pow2_p): Likewise.
5356 (output_reload_inhi): Likewise.
5357 (output_reload_insisf): Likewise.
5359 * config/avr/avr.h (MULTILIB_DEFAULTS): Define.
5360 (LIB_SPEC): Use -lc for all supported devices.
5361 (LIBGCC_SPEC): Use -lgcc for all supported devices.
5362 (AVR_MEGA): Define as avr_mega_p.
5363 (AVR_ENHANCED): New, define as avr_enhanced_p.
5364 (TARGET_SWITCHES): Remove -menhanced, now handled by -mmcu=...
5365 (CPP_SPEC, LINK_SPEC): Handle all known MCU types.
5366 (CRT_BINUTILS_SPECS): Handle all known MCU types.
5367 Rename gcrt1-*.o to make file names unique on 8.3 filesystems.
5368 (EXTRA_SPECS): Add CPP_AVR[1-5]_SPEC.
5369 (ASM_SPEC): Pass -mmcu=... to the assembler.
5370 Change all -DAVR_* to -D__AVR_*__.
5371 (INIT_TARGET_OPTABS), config/avr/libgcc.S:
5372 Rename library functions to start with two underscores.
5373 (ASM_OUTPUT_COMMON): Outputs `.comm VAR,VAR-SIZE,1' to avoid
5375 (ASM_WEAKEN_LABEL): Declared for __attribute__((weak)).
5376 (SUPPORTS_WEAK): Likewise.
5377 (LDI_REG_REGNO): New. Register r31 will be used as temporary
5378 register for loading constants to r0-r14.
5380 * config/avr/avr.md: Replace all TARGET_ENHANCED with
5382 (*mov_r_sp): Removed. Handled by output_movhi.
5383 (*mov_sp_r): Likewise.
5384 (*mov_sp_r_no_interrupts): Likewise
5385 (*mov_sp_r_tiny): Likewise.
5386 (*movqi): Use output_movqi.
5387 (*reload_inqi): New.
5388 (*movhi): Use output_movhi.
5389 (*reload_inhi): New.
5390 (*negsi2): Optimized.
5391 (*negsf2): Likewise.
5392 Added peepholes (define_peephole2) for loading constants to r0-r14
5393 and for using `cpse' command.
5395 * config/avr/libgcc.S: Rename library functions to start with two
5397 Add support for enhanced core.
5398 (_moqhi3): Fix typo, now _modqi3.
5399 (__divsi_raw): Use __zero_reg__ as loop counter, smaller by 1 word.
5400 (__prologue_saves__): Remove test for stack adjust by 0.
5401 (__tablejump__): New.
5403 * config/avr/t-avr: Build libgcc2 with -mcall-prologues.
5404 Add multilib support.
5406 Tue Aug 29 15:17:54 EDT 2000 John Wehle (john@feith.com)
5408 * loop.c (prescan_loop): Don't check unknown_address_altered
5409 when deciding if insert_loop_mem is safe. Add BLKmode MEMs
5410 to loop_store_mems as necessary.
5411 (loop_invariant_p): Don't check unknown_address_altered
5412 or unknown_constant_address_altered.
5414 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5416 * vax.md (sltu, sgeu): Delete sltu and sgeu insn patterns.
5418 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
5420 * cpperror.c (print_file_and_line): If line is (unsigned int)-1,
5421 print just the filename.
5422 * cpplex.c (_cpp_run_directive): Add additional argument, the
5423 name to give the synthetic buffer. This defaults to
5424 translated "<command line>".
5425 * cpplib.c (cpp_define, cpp_undef, cpp_assert, cpp_unassert):
5427 (_cpp_define_builtin): New function.
5428 * cppinit.c (initialize_builtins): Use _cpp_define_builtin.
5429 * cpphash.h: Update prototypes.
5431 * tradcpp.c (main): Process -D and -U simultaneously, in the
5432 order they appeared on the command line.
5434 2000-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5436 * c-decl.c (define_label): Call warning_with_file_and_line and
5437 error_with_file_and_line instead of plain warning or error.
5439 * c-parse.in (label): Use save_filename/save_lineno to ensure
5440 correct values for calls to define_label.
5442 2000-08-29 Mark Mitchell <mark@codesourcery.com>
5444 * calls.c (expand_call): Don't create a VAR_DECL just to throw it
5446 * expr.c (expand_expr, case TARGET_EXPR): Don't call
5448 * tree.h (get_file_function_name): Remove two duplicate
5451 2000-08-28 Kazu Hirata <kazu@hxi.com>
5453 * tree.c: Fix formatting.
5455 * xcoffout.c: Fix formatting.
5457 2000-08-28 Jason Merrill <jason@redhat.com>
5459 * dwarf2out.c (attr_checksum): Also ignore DW_AT_producer.
5461 2000-08-28 Daniel Berlin <dberlin@redhat.com>
5463 * dwarf2out.c (dwarf2out_finish): Don't bother calling
5464 break_out_includes if it won't do anything.
5466 2000-08-28 Richard Henderson <rth@cygnus.com>
5468 * reload.c (push_secondary_reload): Revert 2000-08-16 change.
5469 (find_reloads): Likewise.
5470 * config/alpha/alpha.md (reload_inqi): Revert 2000-08-11 change.
5471 (reload_inhi): Likewise.
5473 2000-08-28 Richard Henderson <rth@cygnus.com>
5475 * config/i386/i386.c: Don't error on EXTRA_CONSTRAINT defined.
5476 (call_insn_operand): Don't expect a surrounding mem.
5477 (constant_call_address_operand): Likewise.
5478 * config/i386/i386.h (PREDICATE_CODES): Update.
5479 * config/i386/i386.md (call patterns): Move the match_operand
5480 for the call destination inside the mem.
5482 2000-08-28 Richard Henderson <rth@cygnus.com>
5484 * local-alloc.c (requires_inout): Don't use reserved range for
5485 EXTRA_CONSTRAINTS; use anything not matched by REG_CLASS_FROM_LETTER.
5486 * recog.c (asm_operand_ok): Likewise.
5487 (preprocess_constraints, constrain_operands): Likewise.
5488 * regclass.c (record_reg_classes): Likewise.
5489 * reload.c (find_reloads): Likewise.
5490 * reload1.c (maybe_fix_stack_asms): Likewise.
5491 (reload_cse_simplify_operands): Likewise.
5492 * stmt.c (expand_asm_operands): Likewise.
5494 * md.texi: Update constraints documentation.
5495 * tm.texi (EXTRA_CONSTRAINT): Update.
5497 2000-08-28 Daniel Berlin <dberlin@redhat.com>
5499 * dwarf2out.c (DIE_LABEL_PREFIX): Remove leading "__".
5500 (print_die): If we don't know the offset of the
5501 target die, try the symbol. Add a trailing newline.
5502 (reverse_all_dies): New fn.
5503 (dwarf2out_finish): Call it.
5504 (break_out_includes): Reorganize for clarity.
5505 (add_sibling_attributes): Don't call reverse_die_lists.
5506 (output_comp_unit): Rename from output_comdat_comp_unit. Use for
5508 * flags.h: Add flag_eliminate_dwarf2_dups.
5509 * toplev.c (f_options): Support -feliminate-dwarf2-dups.
5511 2000-08-28 Jason Merrill <jason@redhat.com>
5513 * dwarf2.h (DW_TAG_GNU_BINCL, DW_TAG_GNU_EINCL): New tags.
5514 * dwarf2out.c: #include "md5.h".
5515 (DIE_LABEL_PREFIX): New macro.
5516 (dw_val_struct): Add 'external' flag to val_die_ref.
5517 (add_AT_die_ref, AT_ref): Adjust.
5518 (AT_ref_external, set_AT_ref_external): New fns.
5519 (build_abbrev_table): Call set_AT_ref_external.
5520 (value_format): Call AT_ref_external.
5521 (die_struct): Add die_symbol field.
5522 (new_die): Clear it.
5523 (dwarf_tag_name): Handle BINCL/EINCL.
5524 (dwarf2out_start_source_file): Add BINCL DIE.
5525 (dwarf2out_end_source_file): Add EINCL DIE.
5526 (push_new_compile_unit, pop_compile_unit, clear_die_sizes): New fns.
5527 (loc_checksum, attr_checksum, die_checksum): New fns.
5528 (is_type_die, is_comdat_die, is_symbol_die): New fns.
5529 (compute_section_prefix, assign_symbol_names): New fns.
5530 (gen_internal_sym, output_die_symbol, output_symbolic_ref): New fns.
5531 (output_die): Call output_die_symbol and AT_ref_external.
5532 (output_comdat_comp_unit): New fn, split out from...
5533 (dwarf2out_finish): ...here. Also call add_sibling_attributes for
5535 (output_pubnames, output_aranges): Abort if we see entries from
5537 * toplev.h: Declare file_name_nondirectory.
5538 * toplev.c (file_name_nondirectory): New fn, moved from C++ frontend.
5539 (rest_of_type_compilation): Call dwarf2out_decl if at toplevel.
5540 (debug_start_source_file): Call dwarf2out_start_source_file
5541 regardless of debug verbosity.
5542 (debug_end_source_file): Similarly.
5543 * tree.h: Declare clean_symbol_name.
5544 * tree.c (clean_symbol_name): Split out from...
5545 (get_file_function_name_long): ...here.
5547 * dwarf2out.c (new_loc_descr): Use calloc.
5548 (splice_child_die): Remove the die from the right parent.
5549 (gen_struct_or_union_die): Don't add AT_name to a specification DIE.
5551 Mon Aug 28 19:02:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5553 * toplev.c (decode_g_option): Don't give warning for unknown -g
5554 option; return 0 instead.
5555 (main): If -g option is not recognized by front end or
5556 language-independent code, give warning.
5558 2000-08-28 Greg McGary <greg@mcgary.org>
5560 * config/i386/i386-protos.h (ix86_expand_compare): Add extern decl.
5561 * config/i386/i386.c (ix86_expand_compare): Remove `static'.
5562 * config/i386/i386.md (trap, conditional_trap): New insn & expand.
5564 2000-08-27 Greg McGary <greg@mcgary.org>
5566 * cpplex.c (parse_string): Don't look for backslash
5567 before first char in `namebuf'.
5568 * loop.c (strength_reduce): Skip NOTEs.
5570 2000-08-27 Jason Merrill <jason@redhat.com>
5572 * c-decl.c (duplicate_decls): Don't set TREE_STATIC or clear
5573 DECL_EXTERNAL on a local extern. Don't set DECL_IGNORED_P or
5574 TREE_ASM_WRITTEN, either.
5575 (finish_decl): Adjust.
5577 2000-08-28 Philipp Thomas <pthomas@suse.de>
5579 * ABOUT-GCC-NLS: Remove gettext patches from Paul Eggert as
5580 they have been incorporated into the gettext CVS. Change the text to
5581 reflect the current status of NLS. Add instructions for accessing
5582 the gettext CVS and add the patch from Martin v. Loewis.
5584 2000-08-27 Geoff Keating <geoffk@cygnus.com>
5586 * config/rs6000/rs6000.md (movdi_internal64+5): Make SUBREG-safe
5587 by using gen_lowpart_common.
5588 (movdi_internal64+6): Likewise.
5590 2000-08-26 Alexandre Oliva <aoliva@redhat.com>
5592 * tm.texi (FINI_SECTION_ASM_OP, CRT_CALL_STATIC_FUNCTION):
5595 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Remap register
5596 numbers to the ranges used by GDB.
5598 2000-08-25 Richard Henderson <rth@cygnus.com>
5600 * config/ia64/ia64.h (struct machine_function): Add n_varargs.
5601 * config/ia64/ia64.c (ia64_compute_frame_size): Use it.
5602 (ia64_expand_prologue): Likewise.
5603 (ia64_setup_incoming_varargs): Set it. Properly skip the current
5604 argument for stdargs.
5606 2000-08-25 Jason Merrill <jason@redhat.com>
5608 * integrate.c (expand_inline_function): Pull out the original decl.
5610 2000-08-25 Jim Wilson <wilson@cygnus.com>
5612 * cse.c (cse_insn): Don't pass label subtraction to force_const_mem.
5614 * function.c (gen_mem_addressof): Clear MEM_ALIAS_SET if no decl.
5616 2000-08-25 Greg McGary <greg@mcgary.org>
5618 * flow.c (dump_edge_info): Use ARRAY_SIZE.
5619 * config/alpha/alpha.c (alpha_expand_block_move): Likewise.
5621 2000-08-25 Richard Earnshaw <rearnsha@arm.com>
5623 * arm.h (STRUCT_VALUE): Define to 0, not NULL.
5625 Fri Aug 25 12:52:49 EDT 2000 John Wehle (john@feith.com)
5627 * i386.c (ix86_find_base_term): New.
5628 * i386-protos.h (ix86_find_base_term): Prototype.
5629 * i386.h (FIND_BASE_TERM): Define.
5630 * alias.c (find_base_term): Use it.
5631 * tm.texi (FIND_BASE_TERM): Document it.
5633 * alias.c (true_dependence, write_dependence_p): Unchanging
5634 memory can't conflict with non-unchanging memory.
5636 * alias.c (memrefs_conflict_p): A BLKmode reference
5637 to a symbol (or CONST_INT address) always conflicts
5638 with a reference to another symbol.
5640 2000-08-25 Joseph S. Myers <jsm28@cam.ac.uk>
5642 * c-common.c (time_char_table): Don't allow width and flags with
5645 2000-08-25 Jakub Jelinek <jakub@redhat.com>
5647 * config/i386/i386.c (ix86_expand_branch): Treat GE and GEU the same
5648 way as LT and LTU when the second operand has 0 in low word.
5650 2000-08-26 Michael Hayes <mhayes@cygnus.com>
5652 * basic-block.h (struct loop): Rename `exits' field to
5653 `exit_edges'. Add `entry_edges' and `num_entries' fields.
5655 * flow.c (flow_loop_exit_edges_find): Rename from flow_loop_exits_find.
5656 (flow_loop_entry_edges_find): Add.
5657 (flow_edge_list_print): Rename from flow_exits_print.
5658 (flow_loops_find): Call flow_loop_entry_edges_find.
5659 (flow_loop_dump): Dump entry_edges list.
5660 (flow_loops_free): Free entry_edges.
5662 2000-08-26 Michael Hayes <mhayes@cygnus.com>
5664 * loop.c (loop_dump_aux, debug_loop): New functions.
5665 (LOOP_BLOCK_NUM_1, LOOP_BLOCK_NUM, LOOP_INSN_UID): New macros.
5667 * flow.c (flow_loops_dump): Add callback parameter.
5668 (flow_loop_dump): Add callback parameter and call it. Move
5669 loop note debugging code to loop_dump_aux.
5671 * basic-block.h (flow_loop_dump): Add callback parameter
5672 (flow_loops_dump): Likewise.
5674 * toplev.c (rest_of_compilation): Add NULL callback function pointer
5675 to call to flow_loops_dump.
5677 2000-08-26 Michael Hayes <mhayes@cygnus.com>
5679 * loop.c (count_loop_regs_set): Replace start and end arguments
5680 with loop argument. All callers udated.
5682 2000-08-26 Michael Hayes <mhayes@cygnus.com>
5684 * loop.c (constant_high_bytes): Delete.
5686 2000-08-26 Michael Hayes <mhayes@cygnus.com>
5688 * loop.c (prescan_loop): Move checks for NOTE_INSN_LOOP_CONT
5689 and NOTE_INSN_LOOP_VTOP to...
5690 (find_and_verify_loops) ...here.
5692 Fri Aug 25 04:21:13 2000 Alexandre Oliva <aoliva@redhat.com>
5694 * crtstuff.c (CRT_CALL_STATIC_FUNCTION): Define default.
5695 (fini_dummy, init_dummy): Use it.
5697 Fri 25-Aug-2000 08:03:27 BST Neil Booth <NeilB@earthling.net>
5699 * cpplex.c (is_macro_disabled): Caller has already checked
5700 that we're not a preprocessed file.
5702 2000-08-24 Mark Mitchell <mark@codesourcery.com>
5704 * Makefile.in (C_AND_OBJC_OBJS): Remove c-iterate.o.
5705 (c-iterate.o): Remove target.
5706 * gcc/c-common.h (enum rid): Remove RID_ITERATOR.
5707 * gcc/c-decl.c (init_decl_processing): Remove call to init_iterators.
5708 (finish_decl): Don't handle iterators.
5709 (grokdeclarator): Likewise.
5710 * gcc/c-parse.gperf: Remove __iterator and __iterator__ keywords.
5711 * gcc/c-gperf.h: Regenerated.
5712 * gcc/c-iterate.c: Removed.
5713 * gcc/c-lex.c (init_lex): Don't handle iterators.
5714 * gcc/c-parse.in (primary): Remove pop_iterator_stack call.
5715 (compstmt_primary_start): Remove push_iterator_stack call.
5716 (stmt): Don't allow iterator statements. Replace iterator_expand
5717 with expand_expr_stmt.
5718 (all_iter_stmt): Remove.
5719 (all_iter_stmt_simple): Likewise.
5720 (all_iter_stmt_with_decl): Likewise.
5721 * gcc/c-tree.h (ITERATOR_P): Remove.
5722 (ITERATOR_BOUND_P): Likewise.
5723 (init_iterators): Remove declaration.
5724 (iterator_expand): Likewise.
5725 (iterator_for_loop_start): Likewise.
5726 (iterator_for_loop_end): Likewise.
5727 (iterator_for_loop_record): Likewise.
5728 (push_iterator_stack): Likewise.
5729 (pop_iterator_stack): Likewise.
5730 * gcc/c-typeck.c (decl_constant_value): Don't check ITERATOR_P.
5731 (readonly_warning): Likewise.
5732 * gcc/tree.h (ITERATOR_BOUND_P): Don't mention it.
5734 2000-08-24 Jim Wilson <wilson@cygnus.com>
5736 * c-common.c (decl_attributes, case A_ALIGN): Revert last change.
5737 Copy type in a TYPE_DECL, just like pushdecl does.
5739 2000-08-24 Richard Henderson <rth@cygnus.com>
5741 * toplev.c (main): Enable flag_reorder_blocks at -O2.
5743 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
5745 * ggc-page.c (alloc_page): If HAVE_MMAP_ANYWHERE and we're
5746 asked for one page, allocate GGC_QUIRE_SIZE of them and put
5747 the extras on the free list.
5748 (release_pages): Clean up.
5749 (ggc_set_mark): Don't adjust G.allocated here...
5750 (sweep_pages): ... do it here.
5752 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
5754 * cppfiles.c (read_include_file): Rearrange initializations.
5756 2000-08-24 Richard Henderson <rth@cygnus.com>
5758 * stmt.c (expand_asm_operands): Treat EXTRA_CONSTRAINT like g or X.
5760 * config/ia64/ia64-protos.h: Update.
5761 * config/ia64/ia64.c (gr_register_operand): New.
5762 (fr_register_operand, grfr_register_operand): New.
5763 (gr_nonimmediate_operand, grfr_nonimmediate_operand): New.
5764 (grfr_reg_or_8bit_operand): New.
5765 (gr_reg_or_0_operand): Rename from reg_or_0_operand and
5766 use gr_register_operand.
5767 (gr_reg_or_5bit_operand, gr_reg_or_6bit_operand): Likewise.
5768 (gr_reg_or_8bit_operand, gr_reg_or_8bit_adjusted_operand): Likewise.
5769 (gr_reg_or_8bit_and_adjusted_operand): Likewise.
5770 (gr_reg_or_14bit_operand, gr_reg_or_22bit_operand): Likewise.
5771 (fr_reg_or_fp01_operand): Likewise.
5772 (not_postinc_memory_operand): New.
5773 (ia64_split_timode): Remove unused variables.
5774 (rtx_needs_barrier): Check arguments to cmpxchg.
5775 (builtin_description): Remove.
5776 (bdesc_2argsi, bdesc_2argdi): Remove.
5777 (ia64_init_builtins): Declare all builtins directly.
5778 (ia64_expand_fetch_and_op): Rewrite to be called from
5779 ia64_expand_builtin directly. Use expand_binop and co.
5780 (ia64_expand_op_and_fetch): Likewise.
5781 (ia64_expand_compare_and_swap): Likewise.
5782 (ia64_expand_binop_builtin): Remove.
5783 (ia64_expand_lock_test_and_set): New.
5784 (ia64_expand_lock_release): New.
5785 (ia64_expand_builtin): Use them.
5786 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_S): New.
5787 (EXTRA_CONSTRAINT): Use it.
5788 (PREDICATE_CODES): Update.
5789 * config/ia64/ia64.md (*): Use gr_register_operand and co.
5790 (mf): Indicate that we set memory as well as use it.
5791 (fetchadd_acq_si): Show memory being modified as well.
5792 (fetchadd_acq_di, cmpxchg_acq_si, cmpxchg_acq_di): Likewise.
5793 (val_compare_and_swap_si, val_compare_and_swap_di): Remove.
5794 (lock_test_and_set_si, lock_test_and_set_di): Remove.
5795 (fetch_and_add_si, fetch_and_sub_si, fetch_and_or_si): Remove.
5796 (fetch_and_and_si, fetch_and_xor_si, fetch_and_nand_si): Remove.
5797 (fetch_and_add_di, fetch_and_sub_di, fetch_and_or_di): Remove.
5798 (fetch_and_and_di, fetch_and_xor_di, fetch_and_nand_di): Remove.
5799 (add_and_fetch_di, sub_and_fetch_di, or_and_fetch_di): Remove.
5800 (and_and_fetch_di, xor_and_fetch_di, nand_and_fetch_di): Remove.
5801 (add_and_fetch_si, sub_and_fetch_si, or_and_fetch_si): Remove.
5802 (and_and_fetch_si, xor_and_fetch_si, nand_and_fetch_si): Remove.
5803 * config/ia64/ia64intrin.h (*): Cast result to the appropriate
5804 return type. Pretty print definitions.
5806 2000-08-24 Jim Wilson <wilson@cygnus.com>
5808 * config/ia64/ia64.md (movdi): Don't call gen_movdi_symbolic if
5809 we have a SYMBOL_REF with SYMBOL_REF_FLAG set.
5811 2000-08-24 Jason Merrill <jason@redhat.com>
5813 * dwarf2out.c (AT_flag, AT_int, AT_unsigned, AT_string, AT_ref,
5814 AT_loc, AT_addr, AT_lbl): Abort on unsuitable input.
5815 (get_AT_low_pc, get_AT_hi_pc, get_AT_string, get_AT_flag,
5816 get_AT_unsigned, get_AT_ref): Don't call them if get_AT fails.
5818 2000-08-24 Greg McGary <greg@mcgary.org>
5820 * optabs.c (init_optabs): Initialize fixtab, fixtrunctab, floattab,
5821 and extendtab within their proper array boundaries.
5822 * emit-rtl.c (init_emit_once): Pass `const_tiny_rtx' with bounds
5823 for the entire array.
5825 * config/arm/arm.c (arm_override_options): Use ARRAY_SIZE.
5826 * config/alpha/alpha.c (alpha_lookup_xfloating_lib_func): Likewise.
5827 * config/avr/avr.c (order_regs_for_local_alloc): Likewise.
5828 * config/fr30/fr30.c (fr30_print_operand): Likewise.
5829 * config/i386/dgux.c (output_options): Likewise.
5830 * config/i386/dgux.h (ASM_FILE_START): Likewise.
5831 * config/m88k/m88k.c (output_options): Likewise.
5832 * config/m88k/m88k.h (ASM_FILE_START): Likewise.
5833 * config/mcore/mcore.c (mcore_output_inline_const_forced,
5834 layout_mcore_frame, handle_structs_in_regs): Likewise.
5835 * config/mips/mips.c (output_block_move): Likewise.
5836 * config/rs6000/rs6000.c (rs6000_override_options,
5837 rs6000_file_start): Likewise.
5838 * config/sparc/sparc.c (sparc_add_gc_roots): Likewise.
5839 * fixinc/fixfixes.c (FIX_TABLE_CT): Likewise.
5840 * fixinc/fixtests.c (TEST_TABLE_CT): Likewise.
5841 * builtins.c (expand_builtin_setjmp): Likewise.
5842 * expr.c (safe_from_p): Likewise.
5843 * flow.c (life_analysis): Likewise.
5844 * fold-const.c (size_int_type_wide): Likewise.
5845 * gcc.c (translate_options, init_spec, set_spec, main): Likewise.
5846 * genattrtab.c (make_length_attrs): Likewise.
5847 * genopinit.c (gen_insn): Likewise.
5848 * genrecog.c (NUM_KNOWN_PREDS, NUM_SPECIAL_MODE_PREDS): Likewise.
5849 * global.c (global_alloc): Likewise.
5850 * local-alloc.c (find_free_reg): Likewise.
5851 * mips-tdump.c (print_symbol): Likewise.
5852 * mips-tfile.c (parse_def, parse_input): Likewise.
5853 * reload1.c (NUM_ELIMINABLE_REGS): Likewise.
5854 * stmt.c (expand_nl_goto_receiver): Likewise.
5855 * stor-layout.c (set_sizetype): Likewise.
5856 * varasm.c (decode_reg_name): Likewise.
5857 * toplev.c (decode_f_option, decode_W_option,
5858 set_target_switch, print_switch_values): Likewise.
5859 (NUM_ELEM): Remove macro.
5860 (display_help, main): s/NUM_ELEM/ARRAY_SIZE/
5862 2000-08-24 Greg McGary <greg@mcgary.org>
5864 * tree.h (enum tree_index): New member `TI_MAIN_IDENTIFIER'.
5865 (MAIN_NAME_P, main_identifier_node): New macros.
5866 * c-common.c (c_common_nodes_and_builtins): Init main_identifier_node.
5867 * c-decl.c (start_decl, grokdeclarator, start_function,
5868 store_parm_decls, finish_function): Use MAIN_NAME_P.
5869 * config/avr/avr.c (function_prologue, function_epilogue): Likewise.
5870 * config/i386/cygwin.h (SUBTARGET_PROLOGUE): Likewise.
5871 * config/i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
5872 * config/pdp11/pdp11.c (output_function_prologue): Likewise.
5874 2000-08-24 Greg McGary <greg@mcgary.org>
5876 * cppfiles.c (actual_directory): Don't write beyond `dir'
5877 when it contains "".
5878 * real.c (asctoeg): Stay within bounds of etens[][].
5880 2000-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5882 * dependence.c (dependence_string, direction_string,
5883 dump_one_node, dump_node_dependence): Hide unused identifiers.
5884 (get_low_bound, normalize_coefficients): Match definition to
5886 (get_one_coefficient): Initialize variables `value0_is_idx' and
5888 (ziv_test, gcd_test): Mark parameters with ATTRIBUTE_UNUSED.
5889 (ziv_test): Delete variable `idx', use parameter `sub' instead.
5890 (direction_merge): Avoid automatic aggregate initialization.
5891 (have_dependence_p): Use `src' not `dest' to set `src_idx'.
5892 Initialize variables `dest_idx' and `src_idx'.
5893 (end_dependence_analysis): Avoid C89 style function definition.
5895 2000-08-24 Joseph S. Myers <jsm28@cam.ac.uk>
5897 * c-common.c (time_char_table): Don't allow width with %F.
5898 (check_format_info): Don't allow "Z" length with scanf.
5900 2000-08-24 Gabriel Dos Reis <gdr@codesourcery.com>
5902 * diagnostic.c (finish_diagnostic): Define.
5903 (output_do_printf): Use wrap_text instead of output_add_string.
5904 (default_print_error_function): Avoid embedded '\n'.
5906 * diagnostic.h (flush_diagnostic_buffer): Declare.
5908 2000-08-23 Alexandre Oliva <aoliva@redhat.com>
5910 * dependence.c: Replace `[][]' with `[][MAX_SUBSCRIPTS]'.
5912 2000-08-23 Hans-Peter Nilsson <hp@axis.com>
5914 * Makefile.in (GCC_PASSES): Add specs.
5916 2000-08-23 Jim Wilson <wilson@cygnus.com>
5918 * frame.h (IA64_UNW_EHANDLER, IA64_UNW_UHANDLER): New.
5919 * config/ia64/frame-ia64.c (__get_personality): Return zero if neither
5920 EHANDLER nor UHANDLER bit is set.
5921 (__get_except_table): Likewise.
5923 2000-08-23 Nick Clifton <nickc@redhat.com>
5925 * config/arm/lib1funcs.asm: Replace upper case condition codes
5926 with lower case versions.
5928 * config/arm/arm.h (STRUCT_VALUE): Define.
5929 (STRUCT_VALUE_REGNUM): Delete.
5931 2000-08-23 Zack Weinberg <zack@wolery.cumb.org>
5933 * cpphash.h (IN_I): New flag for directive table.
5934 * cpplib.c (DIRECTIVE_TABLE): Mark #define, #undef, #ident, and
5936 (_cpp_check_directive): If -fpreprocessed, execute directives
5937 marked with IN_I. Issue no warnings in this case.
5938 * cpplex.c (_cpp_get_token): Expand no macros if -fpreprocessed.
5940 2000-08-23 Joseph S. Myers <jsm28@cam.ac.uk>
5942 * c-common.c (print_char_table): Allow 'I' flag with %d, %i and
5944 (check_format_info): Support printf 'I' flag; warn about it with
5947 2000-08-23 Richard Earnshaw (rearnsha@arm.com)
5949 * arm.c (arm_expand_prologue): Ensure that the stack-adjustment
5950 barrier can't be ignored by the alias analysis code.
5952 2000-08-12 Eli Zaretskii <eliz@is.elta.co.il>
5954 * fixinc/inclhack.def (sysv68_string): Fix the Sed script so it
5955 works inside fixincl.
5957 Wed Aug 23 04:55:48 2000 Alexandre Oliva <aoliva@redhat.com>
5959 * simplify-rtx.c (simplify_rtx): Don't pass VOIDmode to
5960 simplify_relational_operation() unless both operands are of
5962 * cse.c (fold_rtx): Likewise.
5964 Tue Aug 22 23:53:27 EDT 2000 John Wehle (john@feith.com)
5966 * rtlanal.c (rtx_unstable_p): The pic register is stable
5967 (within one function) and the actual rtx should be used
5968 when checking the registers.
5969 (rtx_addr_can_trap_p): Pic memory addresses can't trap.
5971 * alias.c (true_dependence, write_dependence_p): Fix
5972 bug in previous patch.
5974 * i386.c (ix86_GOT_alias_set): New.
5975 (legitimize_pic_address): Use it.
5977 * rtlanal.c (rtx_unstable_p): An unchanging MEM is
5978 only stable if its address is stable.
5979 (rtx_varies_p): An unchanging MEM can't vary if
5980 its address doesn't vary.
5982 2000-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5984 * c-parse.in (unop +): Restrict -Wtraditional warnings to user code.
5986 2000-08-22 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5988 * vax.h (ASM_SPEC): Pass `-J' to assembler.
5989 * x-vax-gcc: New file for bootstrapping with gcc.
5990 * x-vax: Use X_CFLAGS rather than X_CPPFLAGS to pass `-J'.
5991 * configure.in: Use x-vax-gcc with gcc.
5992 * configure: Rebuilt.
5994 Tue Aug 22 21:21:05 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5996 * toplev.c (rest_of_compilation): Rebuild label notes after
5997 post-reload splitting pass if new labels have been created.
5999 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
6001 * diagnostic.h (output_buffer_state): New macro.
6002 * diagnostic.c (diagnostic_for_decl, sorry,
6003 default_print_error_function, output_do_verbatim,
6004 report_diagnostic, report_problematic_module): Use it.
6006 (output_format): Use wrap_text instead of maybe_wrap_text.
6008 2000-08-22 Nick Clifton <nickc@redhat.com>
6010 * config/arm/lib1funcs.asm (ARM_DIV_MOD_BODY): New macro.
6011 Common code for ARM divide and modulus functions.
6012 (THUMB_DIV_MOD_BODY): New macro. Thumb equivalent of
6014 (FUNC_END): New macro: Common code at the end of the division and
6016 (THUMB_FUNCTION_START): New macro: Common code at the start of
6018 (__divsi3, __udivsi3, __modsi3, __umodsi3): Use new macros.
6020 Tue Aug 22 20:34:52 2000 Kaz Kojima <kkojima@rr.iij4u.or.jp>
6022 * config/sh/sh.md (cmpeqdi_t splitter): Fix a reverse testing.
6024 * config/sh/sh.c (prepare_scc_operands): Apply force_reg to
6025 sh_compare_op1 when the mode is DImode and sh_compare_op1 isn't
6028 2000-08-22 Nick Clifton <nickc@redhat.com>
6030 * config/arm/lib1funcs.asm (__umodsi3): Before performing any
6031 restorative additions, test for bottom bits of IP being set,
6032 rather than relying upon the RORs not matching.
6035 2000-08-22 David Edelsohn <edelsohn@gnu.org>
6037 * aix.h (ASM_DECLARE_FUNCTION_NAME): Call named_section() or
6038 text_section() as appropriate instead of emitting text csect
6040 (TEXT_SECTION_ASM_OP): Only require default 32-bit alignment.
6041 (UNIQUE_SECTION): Define macro.
6042 (ASM_OUTPUT_SECTION_NAME): Define macro.
6043 * rs6000.c (rs6000_override_options): Disable -ffunction-sections
6044 on AIX if debugging and -fdata-sections always.
6046 2000-08-22 Steven King <sxking@uswest.net>
6048 * config/float-i386.h (LDBL_EPSILON): Remove __convert_long_double
6050 (LDBL_MAX): Same here.
6052 2000-08-22 Richard Henderson <rth@cygnus.com>
6054 * flow.c (tidy_fallthru_edge): Update b->end properly.
6056 2000-08-22 Stan Cox <scox@redhat.com>
6058 * Makefile.in (OBJS): Add dependence.o.
6059 * dependence.c: New file.
6061 2000-08-22 Alexandre Oliva <aoliva@redhat.com>, John David Anglin <dave.anglin@nrc.ca>
6063 * calls.c (check_sibcall_argument_overlap_1): Adjust for
6065 (check_sibcall_argument_overlap): Likewise.
6067 2000-08-22 Alexandre Oliva <aoliva@redhat.com>
6069 * invoke.texi (SH Options): Document -m4-nofpu,
6070 -m4-single-only, -m4-single, -m4, -mbigtable, -mfmovd,
6071 -mhitachi, -mnomacsave, -misize, -mpadstruct, -mspace.
6073 2000-08-22 Joseph S. Myers <jsm28@cam.ac.uk>
6075 * c-common.c (check_format_info): Give the 'some locales' warning
6076 for strftime %Ey rather than the unconditional 'only last 2 digits
6079 2000-08-22 Richard Henderson <rth@cygnus.com>
6081 * alias.c (init_alias_analysis): Do not register
6082 struct_value_incoming_rtx or static_chain_rtx as pointing
6085 Tue Aug 22 01:44:43 2000 Jeffrey A Law (law@cygnus.com)
6087 * protoize.c (munge_compile_params): Fix typo and formatting buglets.
6089 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
6091 * diagnostic.h (report_problematic_module): Declare.
6092 * diagnostic.c (report_problematic_module): New function.
6093 (report_error_function): Tweak.
6095 Tue Aug 22 02:31:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6097 * stmt.c (expand_goto_internal, fixup_gotos): Only check
6098 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
6100 2000-08-21 Richard Henderson <rth@cygnus.com>
6102 * flow.c (calculate_global_regs_live): Mark frame pointer live
6103 everywhere before reload.
6105 2000-08-21 Jim Wilson <wilson@cygnus.com>
6107 * real.c (ereal_from_int, ereal_from_uint, significand_size): Handle
6108 INTEL_EXTENDED_IEEE_FORMAT.
6109 (toe64): Delete INTEL_EXTENDED_IEEE_FORMAT support. Unconditionally
6110 clear last two bytes of output FP value.
6112 2000-08-21 Graham Stott <grahams@cygnus.co.uk>
6114 * config/ia64/ia64.h (REDO_SECTION_INFO_P): Change decl to DECL.
6116 2000-08-21 Jakub Jelinek <jakub@redhat.com>
6118 * unroll.c (loop_find_equiv_value): If ret is modified between
6119 insn and loop_start, ret might not be equivalent to reg.
6121 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
6123 * c-common.c (init_dollar_format_checking,
6124 maybe_read_dollar_number, finish_dollar_format_checking): New
6126 (dollar_arguments_used, dollar_arguments_count,
6127 dollar_first_arg_num, dollar_max_arg_used, dollar_format_warned):
6129 (check_format_info): Support $ formats for scanf and printf width
6130 and precision. Always increment format_chars to advance past the
6131 '*' of precision, not just when the format parameters are
6134 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6136 * mips.c (block_move_loop, expand_block_move,
6137 function_arg_partial_nregs, save_restore_insns, function_prologue,
6138 mips_expand_prologue, RA_MASK): Avoid using the `U' integer
6140 (function_arg_advance, function_arg): Match argument to format
6143 2000-08-21 Nix <nix@esperi.demon.co.uk>
6145 * gcc.c (do_spec_1): Implement %j spec flag.
6146 Remove dead comment.
6148 * gcc.texi (The Configuration File): Document HOST_BIT_BUCKET.
6149 * system.h (HOST_BIT_BUCKET): Default to "/dev/null".
6150 * config/i386/xm-dos.h (HOST_BIT_BUCKET): Define as "NUL".
6151 * config/i386/xm-os2.h, config/winnt/winnt.h: Likewise.
6153 * protoize.c (munge_compile_params): Use HOST_BIT_BUCKET (if
6154 writable) instead of hardcoded value.
6156 * toplev.c (compile_file): Output to a file even if -fsyntax-only.
6158 * gcc.c, config/i386/xm-dos.h, config/i386/xm-os2.h: Kill
6161 * gcc.c (cc1_options): Do not process -o or run the assembler if
6163 * objc/lang-spec.h: Likewise.
6165 2000-08-21 Eli Zaretskii <eliz@is.elta.co.il>
6167 * fixinc/fixincl.c (fix_with_system): Pipe the output of
6168 "external" fixes through `cat', to avoid truncating the input
6169 file by redirection.
6171 2000-08-21 Jakub Jelinek <jakub@redhat.com>
6173 * config/i386/i386.md (lea_general_1): Copy insn condition to split
6175 (lea_general_2, lea_general_3): Likewise.
6177 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6179 * c-decl.c (duplicate_decls, define_label): Restrict -Wtraditional
6180 warnings to user code.
6182 * c-lex.c (readescape, yylex): Likewise.
6184 * c-typeck.c (store_init_value, process_init_element): Likewise
6185 (c_expand_start_case): Format.
6187 2000-08-18 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
6189 * mips/linux.h (LINK_SPEC): Use %(endian_spec).
6191 * mips/mips.h: Change LINKER_ENDIAN_SPEC to ENDIAN_SPEC
6192 and linker_endian_spec to endian_spec.
6193 (ENDIAN_SPEC): Add %{EB} and %{EL}.
6194 (LINK_SPEC): Remove %{EB} and %{EL}.
6195 (ASM_SPEC): Likewise. Use %(endian_spec).
6197 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
6199 * c-tree.h (flag_hosted): Move declaration from here...
6200 * c-common.h (flag_hosted): ... to here.
6201 (flag_noniso_default_format_attributes): New declaration.
6202 * c-decl.c (flag_noniso_default_format_attributes): New variable.
6203 (c_decode_option): Set it appropriately for options choosing
6204 language standard variant.
6205 * c-common.c (init_function_format_info): Only provide default
6206 format attributes if flag_hosted. Only provide the gettext
6207 formats if flag_noniso_default_format_attributes. Update
6209 (check_format_info): Disable treatment of %a as a scanf flag in
6212 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
6214 * c-common.c (scan_char_table): Add 'w' to flags for all formats
6216 (check_format_info): Set 'wide' for scanf format widths. Warn for
6217 a zero scanf width. Make the check for writing into a constant
6218 object at the first level of indirection; at later levels, warn if
6219 any type qualifiers are encountered.
6221 Mon Aug 21 07:41:12 2000 Jeffrey A Law (law@cygnus.com)
6223 * reload.c (reload_inner_reg_of_subreg): New function broken out of
6225 (push_reload): Use reload_inner_reg_of_subreg.
6226 (combine_reloads): Do not combine reloads if the input reload
6227 is a SUBREG in which the inner part will need reloading.
6229 * global.c (global_alloc): Avoid passing dumpfile argument to
6231 * toplev.c (rest_of_compilation): Likewise.
6232 * reload.h (reload): Remove dumpfile argument. Callers changed.
6233 (debug_reload, debug_reload_to_stream): Move prototypes here.
6234 * rtl.h (reload): Remove dumpfile argument.
6235 * reload.c (debug_reload): Remove prototype.
6236 (debug_reload_to_stream): Likewise.
6237 * reload1.c: Avoid passing dumpfile around, rely on rtl_dump_file
6240 2000-08-21 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
6242 * diagnostic.c (context_as_prefix): Export.
6243 (need_error_newline): Remove.
6244 (lang_diagnostic_starter, lang_diagnostic_finalizer): New objects.
6245 (error_module_changed, record_last_error_module,
6246 error_function_changed, record_last_error_function): New functions.
6247 (initialize_diagnostics): Default intialize
6248 lang_diagnostic_starter, lang_diagnostic_finalizer.
6249 (init_output_buffer): Tweak.
6250 (file_name_as_prefix): New function.
6251 (announce_function, default_print_error_function,
6252 report_error_function, set_diagnostic_context): Tweak.
6254 2000-08-21 Richard Earnshaw <rearnsha@arm.com>
6256 * flow.c (init_propagate_block_info): Handle SUBREG in a jump
6257 condition expression.
6259 2000-08-20 Richard Henderson <rth@cygnus.com>
6261 * flow.c (merge_blocks_nomove): Don't seek back past the bb note.
6263 2000-08-20 Zack Weinberg <zack@wolery.cumb.org>
6265 * cppinit.c (cpp_init): Set global flag when called.
6266 (cpp_reader_init): Bomb out if cpp_init hasn't been called.
6268 Sun Aug 20 01:41:35 2000 Dennis Chernoivanov <cdi@sparc.spb.su>
6270 * cpplex.c (cpp_scan_buffer): Move `output_line_command' just
6271 before `process_directive' so that newlines won't be missed
6273 (cpp_printf): Increment `print->lineno' when newline is emitted.
6275 * cppmain.c (cb_ident): Likewise.
6276 (cb_define): Likewise.
6277 (cb_undef): Likewise.
6278 (cb_include): Likewise.
6279 (cb_def_pragma): Likewise.
6280 (dump_macros_helper): Likewise.
6282 2000-08-20 Richard Henderson <rth@cygnus.com>
6284 * config/ia64/ia64.c (emit_insn_group_barriers): Stop if ar.lc
6285 assigned before a loop.
6287 * config/ia64/ia64.md (ashlsi3): Zero extend the shift count.
6288 (ashrsi3, lshrsi3): Likewise.
6290 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
6292 * c-lang.c: #include diagnostic.h
6293 (c_tree_printer): New function.
6294 (lang_init): Initialize lang_printer.
6296 * Makefile.in (c-lang.o): Depends on diagnostic.h
6298 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
6300 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic.
6302 * diagnostic.c (default_diagnostic_starter,
6303 default_diagnostic_finalizer): New functions.
6304 (diagnostic_for_asm, diagnostic_for_decl): Tweak.
6305 (pedwarn, pedwarn_with_file_and_line, error,
6306 error_with_file_and_line, fatal, warning,
6307 warning_with_file_and_line): Adjust call to report_diagnostic.
6308 (report_diagnostic): Rework.
6309 (set_diagnostic_context): New function.
6311 * diagnostic.h (struct diagnostic_context): New data structure.
6312 (diagnostic_message, diagnostic_argument_list,
6313 diagnostic_file_location, diagnostic_line_location,
6314 diagnostic_is_warning, diagnostic_starter, diagnostic_finalizer,
6315 diagnostic_finalizer, diagnostic_auxiliary_data): New macros.
6316 (set_diagnostic_context): Declare.
6317 (report_diagnostic): Change prototype.
6319 Sun 20-Aug-2000 09:25:45 BST Neil Booth <NeilB@earthling.net>
6321 * fix-header.c (main): Initialize cpplib.
6323 2000-08-19 Michael Meissner <meissner@redhat.com>
6325 * ifcvt.c (find_if_block): Do not assume that a THEN block has any
6326 instructions in it before checking for indirect jumps.
6328 * ifcvt.c (find_if_block): Do not consider a THEN block that ends
6329 in a indirect jump as a potential for conditional execution.
6331 * d30v.h (d30v_init_expanders): Don't declare here.
6332 * d30v-protos.h (d30v_init_expanders): Declare here with a valid
6335 Sat 19-Aug-2000 21:11:45 BST Neil Booth <NeilB@earthling.net>
6337 * cpp.texi: Add @section for assertions.
6339 Sat Aug 19 12:37:08 EDT 2000 John Wehle (john@feith.com)
6341 * loop.c (scan_loop): Use CONST_CALL_P instead of
6342 checking for REG_LIBCALL / REG_RETVAL.
6344 Sat Aug 19 09:18:47 2000 Jeffrey A Law (law@cygnus.com)
6346 * reload1.c (reload_as_needed): Accept dumpfile argument,
6347 pass it to emit_reload_insns.
6348 (emit_reload_insns): Add new dumpfile argument. If non-null
6349 then dump the reloads for each insn into the dumpfile.
6350 (reload): Pass dumpfile to reload_as_needed.
6352 * invoke.texi: Clean up linux-gnu vs linux comments.
6354 2000-08-19 Richard Henderson <rth@cygnus.com>
6356 * config/ia64/ia64.c (reg_or_5bit_operand): New.
6357 (ia64_depz_field_mask): New.
6358 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_R): New.
6359 (PREDICATE_CODES): Update.
6360 * config/ia64/ia64.md: Update commentary.
6361 (depz_internal): New.
6362 (ashlsi3): Implement directly.
6363 (ashrsi3, lshrsi3): Simplify; rely on extv and extzv for constants.
6364 (ashldi3): Use shladd.
6365 * config/ia64/ia64-protos.h: Update.
6367 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
6369 * toplev.c (independent_decode_option): Always process -g.
6370 Remove third argument, now unused. Adjust caller to match.
6372 2000-08-18 Richard Henderson <rth@cygnus.com>
6374 * combine.c (make_compound_operation): Break after creating
6377 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
6379 * cpplib.c (cpp_register_pragma_space): Just return if the
6380 namespace is already registered.
6382 2000-08-18 Ray Essick <essick@ddna.labs.mot.com> & Nick Clifton <nickc@redhat.com>
6384 * config/mcore/mcore.md (rotlsi3): Allow allow rotations by a
6385 constant amount. Do not generate ROTL instruction.
6387 Fri Aug 18 16:22:20 2000 Alexandre Oliva <aoliva@redhat.com>
6389 * config/sh/elf.h: Do not include sh/sh.h.
6390 * config/sh/rtems.h: Likewise.
6391 * config/sh/rtemself.h: Do not include sh/elf.h.
6392 * configure.in: Get them included with `tm_file's.
6393 * configure: Rebuilt.
6395 * config/sh/sh.md (fpu_switch0, fpu_switch1): Simplify.
6396 * config/sh/sh.c (fpscr_set_from_mem): Use them.
6398 Fri Aug 18 14:23:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6400 * stor-layout.c (compute_record_type): Don't use mode of single
6401 field as mode of record if not integer mode of same type.
6403 * regmove.c (perhaps_ends_bb_p): New function.
6404 (optimize_reg_copy_1, optimize_reg_copy_2): Call it.
6405 (optimize_reg_copy_3, fixup_match_2, regmove_optimize): Likewise.
6406 (fixup_match_1): Likewise.
6407 (fixup_match_1, combine_stack_adjustments_for_block): Add casts to
6408 avoid signed/unsigned warnings.
6410 * function.c (fixup_var_refs_1, case MEM): Update CODE after
6413 Fri 18-Aug-2000 18:33:45 BST Neil Booth <NeilB@earthling.net>
6415 * cpphash.h: Use HAVE_DESIGNATED_INITIALIZERS.
6416 (_cpp_trigraph_map): Declaration moved from cpplex.c
6418 * cppinit.c: Define _cpp_trigraph_map. Use UCHAR_MAX + 1
6419 instead of 256. Use consistent test for designated initializers.
6420 (cpp_init): Initialize trigraph_map.
6421 (initialize_standard_includes, parse_option): Use memcmp
6424 * cpplex.c (init_trigraph_map): Remove.
6425 (trigraph_ok, trigraph_replace, lex_line): Refer to
6428 * cpplib.c (str_match, WARNING, ERROR, ICE): Delete.
6429 (do_unassert): Remove unused "next" local.
6431 * system.h (HAVE_DESIGNATED_INITIALIZERS): New prototype.
6433 2000-08-18 Emmanuel Marty <emarty@suntech.fr>
6435 * arm/lib1funcs.asm (_umodsi3 THUMB VARIANT): Restore deleted return
6438 2000-08-17 Richard Henderson <rth@cygnus.com>
6440 * config/ia64/ia64.c (spill_restore_mem): Handle emitting
6441 the first insn in a sequence.
6443 Thu Aug 17 22:40:05 EDT 2000 John Wehle (john@feith.com)
6445 * alias.c (true_dependence, write_dependence_p): A read
6446 involving a label_ref or the constant pool doesn't create
6449 * rtl.h (unchanging): Improve documentation.
6451 2000-08-17 Rodney Brown <RodneyBrown@mynd.com>
6453 * cse.c (insert_regs): Remove unused `regno'.
6455 2000-08-17 Neil Booth <NeilB@earthling.net>
6457 * (cppinit.c) merge_include_chains: Use remove_dup_dir,
6458 remove_dup_dirs. If qtail == brack, remove brack not
6460 (remove_dup_dir, remove_dup_dirs): New functions.
6462 2000-08-17 Neil Booth <NeilB@earthling.net>
6464 * cppinit.c (cpp_cleanup): Free include dir chains.
6465 * cpplib.c (do_undef): Let _cpp_free_definition make the node void.
6466 (do_unassert): Free the assert with _cpp_free_definition.
6467 * cppmacro.c (_cpp_free_definition): Free memory allocated for
6468 assertions. Make the node a T_VOID node.
6470 2000-08-17 Neil Booth <NeilB@earthling.net>
6472 * cppinit.c (path_include, append_include_chain):
6473 Remove 2nd parameter (struct cpp_pending *).
6474 (path_include, initialize_standard_includes, cpp_handle_option):
6475 Update callers appropriately.
6476 (cpp_handle_option): Use pend.
6478 2000-08-17 Neil Booth <NeilB@earthling.net>
6480 * cppinit.c (sort_options): Remove, put functionality in
6483 (initialize_builtins): Free memory.
6484 (cpp_start_read): Move init_IStable to cpp_init.
6486 * cpplib.h (cpp_init): New prototype.
6487 * cppmain.c (main): Call cpp_init.
6489 Thu Aug 17 13:20:32 EDT 2000 John Wehle (john@feith.com)
6491 * rtlanal.c (rtx_unstable_p): Use CONSTANT_P.
6492 (rtx_unstable_p, rtx_varies_p): Process vectors.
6494 2000-08-16 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
6496 * config/sh/lib1funcs.asm (GLOBAL): Define. Use for all
6497 references to GLOBAL symbols. Use LOCAL where appropriate.
6499 2000-08-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6501 * configure.in (*-ibm-aix4.[12]*): Delete test for gnu ld. Always
6502 use t-aix41 when host == target.
6504 2000-08-16 Richard Henderson <rth@cygnus.com>
6506 * reload.c (push_secondary_reload): Revert last change.
6507 If we use a reload_in/out pattern, make the when the same
6508 as the primary reload.
6509 (find_reloads): Likewise.
6511 2000-08-16 Manfred Hollstein <manfredh@redhat.com>
6513 * configure.in (libstdcxx-v3): Fix test.
6514 * configure: Regenerate.
6516 Wed Aug 16 08:10:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6518 * calls.c (calls_function_1, expand_call): Only test
6519 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
6520 * function.c (thread_prologue_and_epilogue_insns): Likewise.
6522 2000-08-16 Richard Henderson <rth@cygnus.com>
6524 * combine.c (simplify_shift_const): Revert previous two
6525 changes. If SHIFT_COUNT_TRUNCATED, crop the shift count
6526 before the main loop.
6528 2000-08-15 Richard Henderson <rth@cygnus.com>
6530 * combine.c (simplify_shift_const): Bound shift count when
6533 Tue Aug 15 17:33:05 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6535 * calls.c (ECF_SP_DEPRESSED): New macro.
6536 (calls_function_1): Treat calling sp-depressed function as alloca.
6537 (emit_call_1): Don't adjust SP if calling sp-depressed function.
6538 (expand_call): Set ECF_SP_DEPRESSED if TYPE_RETURNS_STACK_DEPRESSED.
6539 If sp-depressed, ensure block saves and restores SP.
6540 * fold-const.c (extract_muldiv): Only check TYPE_IS_SIZETYPE
6542 * function.c (keep_stack_depressed): New function.
6543 (thread_prologue_and_epilogue_insns): Call it.
6544 * print-tree.c (print_node): Use HOST_WIDE_INT_PRINT_UNSIGNED
6545 to print DECL_OFFSET_ALIGN.
6546 Print no-force-blk and transparent-union flags properly.
6547 * stmt.c (expand_goto_internal): Don't restore stack if last block
6548 and function returns with sp depressed.
6549 (fixup_gotos): Likewise.
6550 (save_stack_pointer): New function, from code in expand_decl.
6551 (expand_decl): Call new function.
6552 * tree.h (TYPE_IS_SIZETYPE): Call INTEGER_TYPE_CHECK.
6553 (TYPE_RETURNS_STACK_DEPRESSED): New macro.
6554 (save_stack_pointer): New declaration.
6556 * diagnostic.c (fatal_function): New variable.
6557 (set_fatal_function): New function.
6559 * diagnostic.h (set_fatal_function): New declaration.
6561 2000-08-15 William Cohen <wcohen@redhat.com>
6563 * config/sh/elf.h (DWARF2_DEBUGGING_INFO): Defined.
6564 (PREFERRED_DEBUGGING_TYPE): Set to dwarf2 info.
6565 (DWARF2_ASM_LINE_DEBUG_INFO): Defined.
6567 2000-08-15 Richard Henderson <rth@cygnus.com>
6569 * flow.c (mark_used_reg): Set reg_cond_reg appropriately.
6571 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
6573 * arm.c (arm_function_ok_for_sibcall): New function.
6574 * arm.h (FUNCTION_OK_FOR_SIBCALL): Define.
6575 * arm.md (call expanders): Don't check here for calls that can't
6578 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
6580 * arm.md (splits generating cond_exec): Disable.
6582 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
6584 * arm/linux-elf.h (text_section): Delete declaration.
6586 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
6588 ARM support for unordered FP operations.
6589 * arm-protos.h (arm_comparison_operator): Declare.
6590 * arm.c (arm_comparison_operator): New function.
6591 (arm_select_cc_mode): Add unordered comparison codes.
6592 (get_arm_condition_code): Likewise.
6593 (arm_final_prescan_insn): Can't handle unordered jumps that can't
6594 be done in one insn.
6595 * arm.h (PREDICATE_CODES): Add arm_comparison_operator.
6596 * arm.md (all uses of comparison_operator): Replace with
6597 arm_comparison_operator.
6598 (bunordered, bordered, bugt, bunlt, bunge, bunle, buneq, bltgt): New
6600 (arm_buneq, arm_bltgt, arm_buneq_reversed, arm_bltgt_reveresed): New
6603 Tue Aug 15 00:36:36 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
6605 * gthr-posix.h: Conditionally include <sched.h>; include
6606 <config.h> from libobjc/.
6608 2000-08-14 Richard Henderson <rth@cygnus.com>
6610 * config/i386/i386.c (legitimize_pic_address): Use Pmode
6613 2000-08-14 Richard Henderson <rth@cygnus.com>
6615 * configure.in (ia64-*): Set float_format for i386 long double.
6617 * real.c (GET_REAL): Treat 128-bit INTEL_EXTENDED_IEEE_FORMAT
6618 as we would for i386 XFmode.
6619 (PUT_REAL): Likewise.
6620 (endian, ereal_atof, real_value_truncate): Likewise.
6621 (ereal_isneg, toe64, etens, make_nan): Likewise.
6622 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Likewise.
6624 * config/ia64/ia64-protos.h: Update.
6625 * config/ia64/ia64.c (general_tfmode_operand): New.
6626 (destination_tfmode_operand): New.
6627 (tfreg_or_fp01_operand): New.
6628 (ia64_split_timode): New.
6629 (spill_tfmode_operand): New.
6630 (ia64_expand_prologue): Use TFmode not XFmode.
6631 (ia64_expand_epilogue): Likewise.
6632 (ia64_function_arg): Likewise.
6633 (ia64_function_arg_advance): Likewise.
6634 (ia64_return_in_memory): Likewise.
6635 (ia64_function_value): Likewise.
6636 (ia64_print_operand): Likewise.
6637 (ia64_register_move_cost): Set GR<->FR to 5.
6638 (ia64_secondary_reload_class): Get GR for TImode memory op.
6639 * config/ia64/ia64.h (ROUND_TYPE_SIZE): Remove.
6640 (ROUND_TYPE_ALIGN): Remove.
6641 (LONG_DOUBLE_TYPE_SIZE): Set to 128.
6642 (INTEL_EXTENDED_IEEE_FORMAT): Define.
6643 (HARD_REGNO_NREGS): Use TFmode, not XFmode.
6644 (HARD_REGNO_MODE_OK): Likewise. Disallow TImode in FRs.
6645 (MODES_TIEABLE_P): Use TFmode, not XFmode.
6646 (CLASS_MAX_NREGS): Likewise.
6647 (ASM_OUTPUT_LONG_DOUBLE): Output by 4 byte hunks.
6648 (PREDICATE_CODES): Update.
6649 * config/ia64/ia64.md (movti): New.
6650 (movti_internal): Use a clobber for memory alternatives.
6651 (reload_inti, reload_outti): New.
6652 (movsfcc_astep): Predicate properly.
6653 (movdfcc_astep): Likewise.
6656 (extendsftf2, extenddftf2): New.
6657 (trunctfsf2, trunctfdf2): New.
6658 (floatditf2, fix_trunctfdi2): New.
6659 (floatunsditf2, fixuns_trunctfdi2): New.
6660 (addtf3, subtf3, multf3, abstf2): New.
6661 (negtf2, nabstf2, mintf3, maxtf3): New.
6662 (maddtf3, msubtf3, nmultf3, nmaddtf3): New.
6664 (fr_spill): Use TFmode, not XFmode.
6665 (fr_restore): Likewise.
6666 * config/ia64/lib1funcs.asm (__divtf3): New.
6667 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add it.
6669 2000-08-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6671 * cse.c (fold_rtx): Avoid empty body in an if-statement.
6673 * doloop.c (doloop_iterations_max, doloop_modify): Avoid using the
6674 `U' integer constant suffix.
6676 * dwarf2out.c (add_subscript_info): Avoid empty body in an
6679 * sparc/sol2.h (__enable_execute_stack): Prototype.
6681 2000-08-14 David Edelsohn <edelsohn@gnu.org>
6683 * collect2.c: Remove use of AIX import file.
6685 * longlong.h: Test ARCH_PWR not ARCH_POWER.
6687 * rs6000.c (print_operand, case 'E'): Add else.
6689 2000-08-14 Richard Henderson <rth@cygnus.com>
6691 * config/ia64/ia64.md (movdi): Delay calling ia64_expand_load_address.
6692 (movdi_symbolic): New.
6694 2000-08-14 Jim Wilson <wilson@cygnus.com>
6696 * config/ia64/ia64.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
6697 to GNU as. For Intel as, pass -M const_gp and -M no_plabel.
6698 * config/ia64/linux.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
6701 2000-08-14 Richard Henderson <rth@cygnus.com>
6703 * expr.c (emit_group_load): Don't force constants into registers.
6704 Special case source already in the correct mode.
6706 2000-08-14 Zack Weinberg <zack@wolery.cumb.org>
6708 * configure.in: Accept *-*-linux* not just *-*-linux-gnu*.
6709 * fixinc/inclhack.def: Likewise.
6710 * fixinc/mkfixinc.sh: Likewise.
6711 * configure: Regenerate.
6712 * fixinc/fixincl.x: Regenerate.
6713 * install.texi: Document equivalence of linux and linux-gnu.
6715 Mon Aug 14 18:51:44 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6717 * cse.c (insert_regs): Also in REG case: When finding an invalid
6718 value, and we make a new quantity, make sure that it won't be
6719 mistaken by for a valid one by mention_regs.
6721 2000-08-13 Ralf Gütlein <ralf.guetlein@aranea.de>
6723 * h8300.md: Remove obsolete peepholes.
6725 2000-08-13 Kazu Hirata <kazu@hxi.com>
6727 * invoke.texi (H8/300 Options): Fix typos.
6728 * config/h8300.c: Fix formatting.
6729 * config/h8300.h: Fix comment typos.
6730 (OVERRIDE_OPTIONS): Fix formatting.
6732 * function.c: Fix formatting.
6734 * cse.c: Fix formatting.
6736 2000-08-13 Geoff Keating <geoffk@cygnus.com>
6738 * flow.c (attempt_auto_inc): Remove unused variable `bb'.
6739 (attempt_auto_inc): Suppress parentheses warning.
6740 * function.c (put_reg_into_stack): Remove unused variable `unsigned_p'.
6741 * loop.c (load_mems): Remove `u' suffix in two places.
6742 * config/rs6000/rs6000.c: Remove unnecessary `u' suffixes from
6744 * config/rs6000/rs6000.h: Likewise.
6745 * config/rs6000/sol-c0.c: Prototype some functions. Remove the
6746 __eabi dummy routine.
6747 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Remove unused
6750 * config/rs6000/rs6000.c (rs6000_select_section): Rewrite to
6751 not put stuff in .sdata unnecessarily.
6752 (rs6000_unique_section): New function.
6753 * config/rs6000/rs6000-protos.h: Add rs6000_unique_section.
6754 * config/rs6000/sysv4.h (UNIQUE_SECTION): Define.
6756 * c-typeck.c (build_array_ref): Don't complain about non-lvalue
6757 arrays in C99. Don't try to look at DECL_REGISTER of a
6758 COMPONENT_REF. Don't complain twice about the same error.
6760 * fixinc/inclhack.def (aix_pthread): New fix.
6761 (aix_sysmachine): New fix.
6762 * fixinc/fixincl.x: Regenerate.
6764 * expr.c (expand_expr): Call convert_modes when turning a large
6765 multiply into a small one.
6767 2000-08-12 Geoff Keating <geoffk@cygnus.com>
6769 * tree.h (DECL_OFFSET_ALIGN): Make the off_align field of
6770 the tree structure an exponent rather than an explicit alignment
6771 so it doesn't overflow.
6772 (SET_DECL_OFFSET_ALIGN): New macro.
6773 * stor-layout.c (place_union_field): Use SET_DECL_OFFSET_ALIGN
6774 rather than DECL_OFFSET_ALIGN.
6775 (place_field): Likewise.
6776 * expmed.c (store_bit_field): Abort on align==0 to avoid
6777 antisocial machine behaviour.
6779 2000-08-12 Richard Henderson <rth@cygnus.com>
6781 * sibcall.c (uses_addressof): Accept both addressof and
6782 current_function_internal_arg_pointer inside a mem.
6783 (optimize_sibling_and_tail_recursive_call): Fail tail recursion
6784 if current_function_uses_addressof.
6785 * stmt.c (expand_return): Kill tail recursion and HAVE_return
6788 2000-08-11 Richard Henderson <rth@cygnus.com>
6790 * config/ia64/ia64.md (addsi3): Remove expander.
6791 (subsi3, mulsi3, negsi2, one_cmplsi2): Likewise.
6792 (*addsi3_shladd): New.
6794 2000-08-11 Richard Henderson <rth@cygnus.com>
6796 * config/ia64/ia64.c (do_spill): Pass cfa offset to move expander.
6797 (do_restore): Likewise.
6798 (gen_movdi_x, gen_fr_spill_x, gen_fr_restore_x): New.
6799 (ia64_expand_prologue, ia64_expand_epilogue): Use them.
6800 (rtx_needs_barrier): Track actual bit manipulation for
6801 ar.unat moves, gr_spill, and gr_restore.
6802 (emit_insn_group_barriers): Special case gr_spill/gr_restore.
6803 (process_set): Don't handle varargs spills.
6804 * config/ia64/ia64.md (gr_spill): Accept cfa offset. Emit
6805 .mem.offset here instead of in process_set.
6806 (gr_restore): Likewise.
6808 2000-08-11 Richard Henderson <rth@cygnus.com>
6810 * config/ia64/ia64.h (PROMOTE_MODE): Only extend to SImode.
6812 2000-08-11 Mark Elbrecht <snowball3@bigfoot.com>
6814 * gcc.texi (The Configuration File): Document
6815 COLLECT2_HOST_INITIALIZATION, GCC_DRIVER_HOST_INITIALIZATION, and
6816 UPDATE_PATH_HOST_CANONICALIZATION.
6818 2000-08-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6820 * c-parse.in (cast_expr): Avoid -Wstrict-prototype warnings for
6821 unprototyped function pointer casts on integer constants.
6823 2000-08-11 Laurynas Biveinis <lauras@softhome.net>
6825 * fixproto: Recognize DOS paths with drive letters as absolute paths.
6827 2000-08-11 Nathan Sidwell <nathan@codesourcery.com>
6829 * extend.texi (Volatiles): Fix typos.
6831 2000-08-11 Kazu Hirata <kazu@hxi.com>
6833 * flow.c: Fix formatting.
6835 2000-08-11 Richard Henderson <rth@cygnus.com>
6837 * reload.c (push_secondary_reload): When invoking a reload_{in,out}
6838 pattern, always allocate a tertiary scratch register.
6840 * config/alpha/alpha.md (reload_inqi): Use a DImode scratch.
6841 (reload_inhi): Likewise.
6843 2000-08-11 Richard Henderson <rth@cygnus.com>
6845 * function.c (put_reg_into_stack): Allow type to be NULL.
6846 (schedule_fixup_var_refs): Likewise.
6847 (gen_mem_addressof): Allow decl to be NULL.
6848 (put_addressof_into_stack): Likewise.
6850 * flow.c (merge_blocks_nomove): Be more careful about
6851 locating the beginning of block A.
6853 * combine.c (simplify_shift_const): Obey SHIFT_COUNT_TRUNCATED.
6855 Thu Aug 10 22:47:09 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
6860 * config.in: Reverted the check for <sched.h>.
6862 2000-08-10 Chris Demetriou <cgd@sibyte.com>
6864 * mips/elf.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME): New
6865 macros define the name of CTOR and DTOR sections.
6866 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
6867 DTOR_LIST_END): Change to use attributes to specify
6869 * mips/elf64.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME,
6870 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
6871 DTOR_LIST_END): Same as in mips/elf.h.
6873 2000-08-10 Drew Moseley <dmoseley@redhat.com>
6875 * config/mn10300/mn10300.h: Added no-crt0 option for explicitly
6876 disabling just crt0.o.
6878 2000-08-10 Richard Earnshaw <rearnshaw@arm.com> & Nick Clifton <nickc@cygnus.com>
6880 * arm.h (CPP_SPEC): Use sub-spec cpp_interwork.
6881 (CPP_INTERWORK_SPEC, CPP_INTERWORK_DEFAULT_SPEC): New sub-specs.
6882 (EXTRA_SPECS): Add them.
6883 * arm/lib1funcs.asm: Support builds for interworking.
6884 Use macros to eliminate duplicated pieces of code.
6886 2000-08-10 Kazu Hirata <kazu@hxi.com>
6888 * h8300.c (expand_a_rotate): New.
6889 (emit_a_rotate): Likewise.
6890 (h8300_adjust_insn_length): Add support for the rotate insns.
6891 * h8300.md (rotlqi3): New.
6892 (*rotlqi3_1): Likewise.
6893 (rotlhi3): Likewise.
6894 (*rotlhi3_1): Likewise.
6895 (rotlhi3): Likewise.
6896 (*rotlhi3_1): Likewise.
6897 * h8300-proto.h: Add prototypes for expand_a_rotate and
6900 * h8300.c: Fix comment typos.
6901 (dosize): Declare the variable amount as unsigned.
6902 (get_shift_alg): Fix a comparison between signed and unsigned.
6903 (emit_a_shift): Likewise.
6904 (h8300_adjust_insn_length): Simplify the code.
6906 * c-decl.c: Fix formatting.
6908 2000-08-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6910 * c-lex.c (parse_float, yylex): For -Wtraditional, issue a
6911 warning about non-traditional numeric constant suffixes.
6913 * cppexp.c (parse_number): Likewise.
6915 * invoke.texi: (-Wtraditional): Document new behavior.
6917 Thu Aug 10 00:11:04 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
6919 * gthr-posix.h: Include auto-host.h. Conditionally include
6921 * configure.in: Check for the <sched.h> header file.
6922 * config.in: Added define for HAVE_SCHED_H.
6924 2000-08-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6926 * c-typeck.c (process_init_element): For -Wtraditional, warn about
6927 initialization of unions.
6929 * invoke.texi (-Wtraditional): Document new behavior.
6931 2000-08-09 Zack Weinberg <zack@wolery.cumb.org>
6933 * configure.in (--enable-c-cpplib): Uncomment. Use AC_DEFINE
6934 instead of extra_c_flags.
6935 (--enable-c-mbchar): Use AC_DEFINE instead of extra_c_flags.
6936 * configure: Regenerate.
6937 * config.in: Regenerate.
6939 * cpperror.c (cpp_type2name): New function.
6940 * cpplex.c (lex_line): If we issued an error for an invalid
6941 preprocessing directive, discard that logical line.
6942 * cpplib.c (do_line): Call a hook function if the current file
6943 is renamed by #line.
6944 (do_ident): Pass the contents of the string, not the entire
6945 token, to the callback function.
6946 * cpplib.h (CPP_LAST_PUNCTUATOR): New #define.
6947 (cb.rename_file): New hook function.
6948 (cb.ident): Adjust prototype.
6949 (cpp_type2name): Prototype.
6950 * cppmacro.c (dump_macro_args): Correct precedence lossage.
6952 * cppmain.c (cb_ident): Update for changed interface.
6953 (cb_rename_file): New function.
6954 (main): Set rename callback.
6956 2000-08-09 Alexandre Oliva <aoliva@redhat.com>
6958 * caller-save.c (mark_referenced_regs): Mark partially-overwritten
6959 multi-word registers.
6961 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
6963 * c-common.c (combine_strings, check_format_info): Refer to ISO C
6964 or ISO C89 instead of ANSI C.
6965 * c-decl.c (grokdeclarator, xref_tag, finish_struct,
6966 build_enumerator, do_case): Likewise.
6967 * c-lex.c (parse_float, yylex): Likewise.
6968 * c-parse.in: Likewise.
6969 * c-typeck.c (common_type, build_array_ref, build_binary_op,
6970 build_unary_op, pedantic_lvalue_warning, build_conditional_expr,
6971 build_c_cast, convert_for_assignment, set_init_index,
6972 set_init_label, c_expand_start_case): Likewise.
6973 * toplev.c (documented_lang_options, display_help): Likewise.
6975 2000-08-08 Kazu Hirata <kazu@hxi.com>
6977 * h8300.c: Fix formatting.
6978 * h8300.h: Likewise.
6979 * h8300.md: Likewise.
6980 (movsi_h8300hs): Fix formatting of the resulting assembly code.
6982 * reload1.c: Fix formatting.
6984 2000-08-08 Rodney Brown <RodneyBrown@mynd.com>
6986 * alpha/alpha.c (alpha_emit_xfloating_libcall):
6987 Use GEN_CALL_VALUE define.
6988 * alpha/alpha.md (untyped_call): Use GEN_CALL define.
6989 * clipper/clipper.md (untyped_call): Likewise.
6990 * dsp16xx/dsp16xx.md (untyped_call): Likewise.
6991 * fx80/fx80.md (untyped_call): Likewise.
6992 * mips/mips.md (untyped_call): Likewise.
6993 * ns32k/ns32k.md (untyped_call): Likewise.
6994 * pa/pa.md (untyped_call): Likewise.
6995 * romp/romp.md (untyped_call): Likewise.
6996 * sparc/sparc.md (untyped_call): Likewise.
6998 2000-08-08 Jason Eckhardt <jle@cygnus.com>
7000 * config/i860/i860.c (singlemove_string): Do not generate assembler
7001 pseudo instructions that must be expanded (that is, with signed
7002 constants larger than 16 bits).
7004 2000-08-08 Richard Henderson <rth@cygnus.com>
7006 * flow.c (life_analysis): Only turn off PROP_LOG_LINKS and
7007 PROP_AUTOINC at -O0. Don't collect alias info at -O0.
7008 (init_propagate_block_info): Don't kill memory stores at -O0.
7009 (mark_set_1, mark_used_regs): Likewise.
7011 2000-08-08 David Edelsohn <edelsohn@gnu.org>
7013 * rs6000.c (optimization_options): Decorate 'level' as
7015 (mask64_operand): Remove sign-extend thinko.
7016 (rldic_operand): New function.
7017 (load_multiple_operation): regno's are unsigned ints.
7018 (store_multiple_operation): Likewise.
7019 (lmw_operation): Likewise.
7020 (stmw_operation): Likewise.
7021 (includes_lshift_p): shift_mask is unsigned int.
7022 (includes_lshift64_p): New function.
7023 (addrs_ok_for_quad_peep): unsigned int reg1.
7024 (print_operand): Consistently add "else" after
7025 output_operand_lossage().
7026 (print_operand, case 'b'): Fold in case 'W'.
7027 (print_operand, case 'W'): Print rldic MB value.
7028 (output_epilogue): Update Objective-C language string.
7029 (output_toc): unsigned HOST_WIDE_INT low, compare unsigned.
7030 * rs6000.h (PREDICATE_CODES): Add rldic_operand.
7031 * rs6000.md (ashldi3): Add rldic instruction.
7032 (iordi3, xordi3): Remove redundant "else if CONST_DOUBLE".
7033 (cmpsi_internal2, cmpdi_interal2): Use 'b' output template
7036 2000-08-08 Richard Henderson <rth@cygnus.com>
7038 * config/ia64/ia64-protos.h: Remove duplicates. Update
7039 for massive code rearrangements.
7040 * config/ia64/ia64.c (ia64_arpfs_regno): Remove.
7041 (ia64_rp_regno, ia64_fp_regno, ia64_input_regs): Remove.
7042 (ia64_local_regs, ia64_need_regstk): Remove.
7043 (ar_ccv_reg_operand): New.
7044 (ia64_gp_save_reg): New.
7045 (struct ia64_frame_info): Combine most of the size elements;
7046 add new gr save elements.
7047 (find_gr_spill): New.
7048 (next_scratch_gr_reg): New.
7049 (mark_reg_gr_used_mask): New.
7050 (ia64_compute_frame_size): Rewrite. Allocate special AR regs
7051 to GR backing store regs when possible.
7052 (ia64_initial_elimination_offset): New.
7053 (ia64_rap_fp_offset): Remove.
7054 (save_restore_insns): Remove.
7055 (setup_spill_pointers): New.
7056 (finish_spill_pointers): New.
7057 (spill_restore_mem): New.
7058 (do_spill, do_restore): New.
7059 (ia64_expand_prologue): Rewrite to use them.
7060 (ia64_expand_epilogue): Likewise.
7061 (ia64_direct_return): Update for current_frame_info changes.
7062 (ia64_function_prologue): Simplify .prologue emission. Emit
7064 (ia64_setup_incoming_varargs): Don't ever emit rtl.
7065 (ia64_dbx_register_number): New.
7066 (ia64_initialize_trampoline): New.
7067 (ia64_secondary_reload_class): Request GR_REGS for integer
7068 arithmetic destined for FR_REGS.
7069 (ia64_init_machine_status): Don't reset return_address_pointer_rtx.
7070 (ia64_mark_machine_status): Mark ia64_gp_save.
7071 (rws_access_regno): Rename from rws_access_reg; don't treat
7072 predicates specially.
7073 (rws_access_reg): New. Update all callers.
7074 (rtx_needs_barrier): Remove dead unspecs.
7075 (ia64_epilogue_uses): Mark ar.pfs and ar.unat live on exit.
7076 (ia64_encode_section_info): Silence signed/unsigned warnings.
7077 (spill_offset, sp_offset, spill_offset_emitted): Remove.
7078 (tmp_reg, tmp_saved): Remove.
7079 (process_set): Rewrite to expect complicated bits via
7080 REG_FRAME_RELATED_EXPR.
7081 (ia64_expand_fetch_and_op): Use emit_move_insn; be explicit
7082 in the use of ar.ccv; never set RTX_UNCHANGING_P.
7083 (ia64_expand_op_and_fetch): Likewise.
7084 (ia64_expand_compare_and_swap): Likewise.
7085 (ia64_expand_builtin): Likewise.
7086 * config/ia64/ia64.h (AR_UNAT_REGNUM): New.
7087 (FIRST_PSEUDO_REGISTER): Update.
7088 (AR_M_REGNO_P): Update.
7089 (FIXED_REGS): Don't mark three local registers as used.
7090 (EXTRA_CC_MODES): New.
7091 (SELECT_CC_MODE): New.
7092 (HARD_REGNO_NREGS): Allow DImode in p0; handle CCImode.
7093 (HARD_REGNO_MODE_OK): Disallow CCImode from non-predicates.
7094 (FRAME_GROWS_DOWNWARD): Unset.
7095 (STARTING_FRAME_OFFSET): Zero.
7096 (ELIMINABLE_REGS): Eliminate from the soft to hard frame pointer.
7097 (INITIAL_ELIMINATION_OFFSET): Defer to out of line function.
7098 (HARD_FRAME_POINTER_REGNUM): New.
7099 (CAN_DEBUG_WITHOUT_FP): Define.
7100 (TRAMPOLINE_TEMPLATE): Remove.
7101 (TRAMPOLINE_SIZE): Lower to 32.
7102 (TRAMPOLINE_ALIGNMENT): Lower to 64.
7103 (INITIALIZE_TRAMPOLINE): Defer to out of line function.
7104 (PREDICATE_CODES): Update.
7105 (struct machine_function): Add ia64_gp_save.
7106 * config/ia64/ia64.md: Purge unused unspecs.
7107 (movsi patterns): Allow moves to/from AR_M_REGS.
7108 (movdi patterns): Allow moves to/from p0.
7109 (call patterns): Move most setjmp hackery to ia64_gp_save_reg.
7110 (gr_spill, gr_restore): Indicate ar.unat read/written.
7111 (nonlocal_goto): Don't pass old frame_pointer.
7112 (nonlocal_goto_receiver): Remove.
7113 (exception_receiver): New.
7114 (builtin_setjmp_setup): New.
7115 (builtin_setjmp_receiver): New.
7116 * config/ia64/lib1funcs.asm (__ia64_save_stack_nonlocal): Bundle.
7117 (__ia64_nonlocal_goto): Bundle. Don't kill r7.
7118 (__ia64_restore_stack_nonlocal): Likewise.
7119 (__ia64_trampoline): New.
7120 * config/ia64/sysv4.h (DBX_REGISTER_NUMBER): Defer to out of line
7122 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __trampoline.
7124 2000-08-08 Richard Henderson <rth@cygnus.com>
7126 * frame.h (ia64_frame_state): Add my_psp.
7127 * libgcc2.c (ia64_throw_helper): Add throw_sp argument.
7128 (__throw): Pass it in. Don't clobber r7.
7129 * config/ia64/frame-ia64.c (init_ia64_reg_loc): Mark inline.
7130 (execute_one_ia64_descriptor) [mem_stack_v]: Sets psp.when
7131 and nothing to do with sp.
7132 (normalize_reg_loc): Use frame->my_psp.
7133 (frame_translate): Handle frame-pointer-less functions. Set
7134 spill_base correctly, in absence of being told.
7135 (__build_ia64_frame_state): New sp argument. Fill in frame->my_sp.
7136 (__ia64_backtrace_helper): New sp argument. Use
7137 builtin_return_address instead of label addresses.
7138 (print_record) [mem_stack_v]: No size member.
7140 2000-08-08 Richard Henderson <rth@cygnus.com>
7142 * regclass.c (choose_hard_reg_mode): Iterate over all CC modes.
7144 2000-08-08 Richard Henderson <rth@cygnus.com>
7146 * tm.texi (LOCAL_REGNO): Document.
7147 * flow.c (LOCAL_REGNO, EPILOGUE_USES): Provide default.
7148 (mark_regs_live_at_end): Don't mark LOCAL_REGNO registers.
7149 * reload1.c (reload): Likewise when considering nonlocal labels.
7151 * config/ia64/ia64.h (LOCAL_REGNO): New.
7152 * config/sparc/sparc.h (LOCAL_REGNO): New.
7154 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
7156 * c-lex.c (yylex): Don't allow integer suffixes 'LUL', 'Ll', 'lL'.
7158 2000-08-07 Nick Clifton <nickc@redhat.com>
7160 * config/mips/mips.c: Fix compile time warning messages.
7161 * config/mips/mips-protos.h: Add prototype for equality_op.
7163 * mn10300.h (TARGET_SWITCHES): Document `-mam33'.
7165 2000-08-07 Graham Stott <grahams@cygnus.co.uk>
7167 * mn10300.md: Use nonimmediate_operand instead of general_operand
7170 * mn10300.h (PREFERRED_RELOAD_CLASS): Limit memory reloads.
7172 2000-08-07 Alexandre Oliva <aoliva@redhat.com>
7174 * sh.h (EXTRA_CONSTRAINT_Q): Adjust to GNU Coding Standards.
7175 * sh.c (expand_block_move): Break long lines.
7176 (expand_ashiftrt, fpscr_set_from_mem): Likewise.
7177 * sh.md (mulsi3): Likewise.
7178 (movdi): Adjust spacing.
7180 2000-08-07 Richard Henderson <rth@cygnus.com>
7182 * expmed.c (store_bit_field): Don't require MEM_IN_STRUCT_P.
7183 * expr.c (emit_group_store): Don't set it.
7185 2000-08-07 Kazu Hirata <kazu@hxi.com>
7187 * invoke.texi (Options for Debugging Your Program or GCC): Remove
7188 duplicate entries for 'w' and 'z'.
7190 * flow.c: Fix a comment typo.
7192 Sun Aug 6 23:47:35 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
7194 * c-parse.in: Changed the language string for Objective-C to "GNU
7197 Sun Aug 6 11:54:03 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
7199 * gthr-posix.h: Integrated Chris Ball's <cball@fmco.com> changes
7200 to improve the Posix thread support for Objective-C.
7202 2000-08-06 Joseph S. Myers <jsm28@cam.ac.uk>
7204 * c-common.h (enum c_tree_index): Add CTI_SIGNED_SIZE_TYPE and
7205 CTI_UNSIGNED_PTRDIFF_TYPE.
7206 (signed_size_type_node): Define.
7207 (unsigned_ptrdiff_type_node): Define.
7208 * c-decl.c (init_decl_processing): Create the
7209 signed_size_type_node and unsigned_ptrdiff_type_node types.
7210 * c-common.c (T_SC): Define.
7213 (print_char_table): Use T_SST for %zd, %zi, %zn. Use T_UPD for
7214 %to, %tu, %tx, %tX. Allow %hhn (T_SC). Add "c" to the flags for
7216 (scan_char_table): Use T_SC for %hhd, %hhi, %hhn. Use T_SST for
7217 %zd, %zi, %zn. Use T_UPD for %to, %tu, %tx, %tX. Add "c" to the
7218 flags for %c, %s and %[.
7219 (check_format_info): Only allow leniency for signedness of targets
7220 of character pointers (when pedantic) for formats flagged with
7221 "c", so for strings but not for %hh formats. When pedantic, don't
7222 allow character pointers to substitute for void pointers if a
7223 second level of indirection is present.
7225 2000-08-06 Kazu Hirata <kazu@hxi.com>
7227 * invoke.texi (Options for Debugging Your Program or GCC): Update
7228 the names of dump files.
7230 * h8300.c (dosize): Rearrange code for conciseness.
7231 (split_adds_subs): Likewise.
7233 * loop.c: Fix formatting.
7235 * dwarf2out.c: Fix formatting.
7237 * tm.texi (FUNCTION_ARG_PARTIAL_NREGS): Fix a typo.
7239 * expr.c: Fix formatting.
7241 2000-08-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7243 * rs6000.c (rs6000_maybe_dead): Prototype.
7245 2000-08-06 Richard Henderson <rth@cygnus.com>
7247 * stmt.c (expand_goto): Do virtual_stack_vars_rtx replacement for
7248 HAVE_nonlocal_goto as well.
7249 * config/i960/i960.md (nonlocal_goto): Don't do it here.
7250 * config/pj/pj.md (nonlocal_goto): Likewise.
7252 2000-08-07 Michael Hayes <mhayes@cygnus.com>
7254 * loop.c (try_swap_copy_prop): New function.
7255 (load_mems): Rename copies to load_copies and add new regset
7256 store_copies. Check for sets of shadow registers and mark
7257 in store_copies. Call try_swap_copy_prop for registers
7258 marked in store_copies.
7260 Sun Aug 6 00:54:42 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
7262 * objc/objc-act.c: New command line option -fconstant-string-class
7263 to allow specifying a user defined constant string class,
7264 different from NXConstantString.
7266 * toplev.c: Moved the Objective-C specific options to
7267 objc/lang-options.h.
7269 * objc/lang-options.h: Moved the Objective-C specific options from
7270 toplev.c. Added -fconstant-string-class.
7272 2000-08-05 Chris Demetriou <cgd@sibyte.com>
7274 * mips/elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
7275 DTOR_LIST_BEGIN, DTOR_LIST_END): change type of
7276 __CTOR_LIST__ from func_ptr array to just func_ptr, to
7277 avoid extra alignment imposed on arrays.
7278 * mips/elf64.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
7279 DTOR_LIST_BEGIN, DTOR_LIST_END): Likewise.
7281 * mips.h: Clean up comments and spacing near MASKs.
7282 (TARGET_UNIX_ASM): Delete.
7283 (MASK_MIPS16, MASK_NO_CHECK_ZERO_DIV, MASK_CHECK_RANGE_DIV,
7284 MASK_UNINIT_CONST_IN_RODATA): Change values to make mask
7287 2000-08-05 Joseph S. Myers <jsm28@cam.ac.uk>
7289 * c-common.c (print_char_table): Add entries for the X/Open '
7290 format flag (print decimals with locale's thousands grouping
7291 character). Make %C expect wint_t.
7292 (check_format_info): If pedantic, warn when the %n$ operand
7293 number form is used. Allow for the ' flag; warn about it if
7296 2000-08-05 Zack Weinberg <zack@wolery.cumb.org>
7298 * i386.h (FUNCTION_OK_FOR_SIBCALL): Not OK if DECL's return
7299 type is a float mode, cfun->decl's return type is not, and
7300 TARGET_FLOAT_RETURNS_IN_80387.
7302 2000-08-04 Andreas Schwab <schwab@suse.de>
7304 * cppmain.c (cb_def_pragma): Skip the first two tokens from the
7305 token list, which are always `#' and `pragma'.
7307 2000-08-04 Zack Weinberg <zack@wolery.cumb.org>
7309 * tree.c (tree_expr_nonnegative_p): Move to...
7310 * fold-const.c: ... here. Also handle BIND_EXPR and RTL_EXPR.
7311 (rtl_expr_nonnegative_p): New.
7312 * tree.h: Add prototype for rtl_expr_nonnegative_p.
7314 * real.h (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH, CONST_DOUBLE_MEM,
7315 CONST_DOUBLE_CHAIN: Move to...
7316 * rtl.h: ...here. Use XCINT/XCEXP.
7318 * Makefile.in: Remove toplev.o from OBJS. Add rule to make
7319 libbackend.a; add libbackend.a to STAGESTUFF. Add BACKEND
7320 variable. Use BACKEND when linking cc1, not OBJS. Add BACKEND
7323 * objc/Make-lang.in (cc1obj): Link with $(BACKEND).
7325 2000-08-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7327 * config/c4x/c4x.md (return_indirect_internal): New.
7328 * config/c4x/c4x.c (c4x_expand_epilogue): Use it.
7330 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
7332 * c-common.c (time_char_table): Mark up formats added in C99 and
7333 make other corrections. %D and %g were added in C99. %Og is an
7334 extension. %EX is permitted. %R, %T, %n, %r, %t were added in
7335 C99. %e was added in C99. %Oj is an extension. %G and %z are in
7336 C99 rather than GNU extensions, but %OG and %Oz are extensions.
7337 %h was added in C99. %C was added in C99. %OY and %OC are
7338 extensions. Add the C99 format %F.
7339 (check_format_info): If pedantic and not in C99 mode, warn for C99
7342 Fri Aug 4 23:01:58 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7344 * function.c (schedule_fixup_var_refs): New function, broken out
7345 of put_reg_into_stack.
7346 (put_reg_into_stack): Use it.
7347 (put_var_into_stack): In CONCAT case, fixup up references for
7348 components only after fixing up references to the whole concat.
7350 2000-08-04 Rodney Brown <RodneyBrown@pmsc.com>
7352 * alias.c (mark_constant_function): Use INSN_P.
7353 (init_alias_analysis): Likewise.
7354 * combine.c (combine_instructions): Use INSN_P.
7355 (can_combine_p): Likewise.
7356 (try_combine): Likewise.
7357 (distribute_notes): Likewise.
7358 (distribute_links): Likewise.
7359 * cse.c (cse_around_loop): Use INSN_P.
7360 (invalidate_skipped_block): Likewise.
7361 (cse_set_around_loop): Likewise.
7362 (cse_end_of_basic_block): Likewise.
7363 (delete_trivially_dead_insns): Likewise.
7364 * emit-rtl.c (unshare_all_rtl_again): Use INSN_P.
7365 (unshare_all_rtl_1): Likewise.
7366 (next_cc0_user): Likewise.
7367 (try_split make_insn_raw): Likewise.
7368 (remove_unnecessary_notes): Likewise.
7369 * final.c (shorten_branches): Use INSN_P.
7370 (leaf_renumber_regs): Likewise.
7371 (leaf_renumber_regs_insn): Likewise.
7372 * flow.c (find_label_refs): Use INSN_P.
7373 (verify_wide_reg): Likewise.
7374 (notice_stack_pointer_modification): Likewise.
7375 (count_or_remove_death_notes): Likewise.
7376 (verify_flow_info): Likewise.
7377 (clear_log_links): Likewise.
7378 * function.c (fixup_var_refs_insns): Use INSN_P.
7379 (compute_insns_for_mem): Likewise.
7380 * gcse.c (alloc_gcse_mem): Use INSN_P.
7381 (compute_sets): Likewise.
7382 (compute_hash_table): Likewise.
7383 (classic_gcse): Likewise.
7385 (insert_insn_end_bb): Likewise.
7386 (delete_null_pointer_checks_1): Likewise.
7387 * global.c (expand_preferences): Use INSN_P.
7388 (build_insn_chain): Likewise.
7389 * graph.c (node_data): Use INSN_P.
7390 * haifa-sched.c (priority): Use INSN_P.
7391 (rm_line_notes): Likewise.
7392 (rm_other_notes): Likewise.
7393 (find_insn_reg_weight): Likewise.
7394 (init_target_units): Likewise.
7395 (schedule_block): Likewise.
7396 (compute_block_forward_dependences): Likewise.
7397 (debug_dependencies): Likewise.
7398 (set_priorities): Likewise.
7399 * integrate.c (function_cannot_inline_p): Use INSN_P.
7400 (save_parm_insns): Likewise.
7401 (copy_insn_list): Likewise.
7402 * jump.c (mark_all_labels): Use INSN_P.
7403 (never_reached_warning): Likewise.
7404 * lcm.c (optimize_mode_switching): Use INSN_P.
7405 * local-alloc.c (validate_equiv_mem): Use INSN_P.
7406 (memref_used_between_p): Likewise.
7407 (update_equiv_regs): Likewise.
7408 (block_alloc): Likewise.
7409 (no_conflict_p): Likewise.
7410 * loop.c (scan_loop): Use INSN_P.
7411 (find_and_verify_loops): Likewise.
7412 (count_loop_regs_set): Likewise.
7413 (loop_reg_used_before_p): Likewise.
7414 (strength_reduce): Likewise.
7415 (recombine_givs): Likewise.
7416 (check_dbra_loop): Likewise.
7417 (load_mems): Likewise.
7418 (try_copy_prop): Likewise.
7419 * print-rtl.c (print_rtx): Use INSN_P.
7420 * recog.c (find_single_use): Use INSN_P.
7421 * reg-stack.c (stack_regs_mentioned): Use INSN_P.
7422 (next_flags_user): Likewise.
7423 (swap_rtx_condition): Likewise.
7424 * regmove.c (mark_flags_life_zones): Use INSN_P.
7425 (optimize_reg_copy_1): Likewise.
7426 (optimize_reg_copy_2): Likewise.
7427 (optimize_reg_copy_3): Likewise.
7428 (reg_is_remote_constant_p): Likewise.
7429 (fixup_match_2): Likewise.
7430 (regmove_optimize): Likewise.
7431 (fixup_match_1): Likewise.
7432 * regrename.c (build_def_use): Use INSN_P.
7433 (replace_reg_in_block): Likewise.
7434 (consider_use): Likewise.
7435 * reload.c (find_equiv_reg): Use INSN_P.
7436 * reload1.c (reload): Use INSN_P.
7437 (maybe_fix_stack_asms): Likewise.
7438 (calculate_needs_all_insns): Likewise.
7439 (reload_as_needed): Likewise.
7440 (emit_output_reload_insns): Likewise.
7441 (delete_address_reloads_1): Likewise.
7442 (reload_cse_regs_1): Likewise.
7443 (reload_combine): Likewise.
7444 (reload_cse_move2add): Likewise.
7445 * reorg.c (redundant_insn): Use INSN_P.
7446 (dbr_schedule): Likewise.
7447 * resource.c (find_dead_or_set_registers): Use INSN_P.
7448 (mark_target_live_regs): Likewise.
7449 * rtlanal.c (reg_used_between_p): Use INSN_P.
7450 (reg_referenced_between_p): Likewise.
7451 (reg_set_between_p): Likewise.
7452 (reg_set_p): Likewise.
7453 (single_set): Likewise.
7454 (multiple_sets): Likewise.
7455 (find_last_value): Likewise.
7456 (reg_set_last): Likewise.
7457 (find_reg_note): Likewise.
7458 (find_regno_note): Likewise.
7459 * sibcall.c (sequence_uses_addressof): Use INSN_P.
7460 * simplify-rtx.c (cselib_process_insn): Use INSN_P.
7461 * ssa.c (find_evaluations): Use INSN_P.
7462 (rename_block): Likewise.
7463 (rename_equivalent_regs): Likewise.
7464 * unroll.c (loop_find_equiv_value): Use INSN_P.
7465 (set_dominates_use): Likewise.
7466 * varasm.c (mark_constant_pool): Use INSN_P.
7467 (mark_constants): Likewise.
7468 * config/alpha/alpha.c (alpha_does_function_need_gp): Use INSN_P.
7469 (alphaev4_next_group): Likewise.
7470 (alphaev5_next_group): Likewise.
7471 * config/c4x/c4x.c (c4x_process_after_reload): Use INSN_P.
7472 (c4x_rptb_rpts_p): Likewise.
7473 * config/mips/mips.c (mips16_optimize_gp): Use INSN_P.
7474 * config/rs6000/rs6000.c (uses_TOC): Use INSN_P.
7475 (rs6000_adjust_priority): Likewise.
7476 * config/sh/sh.c (sh_loop_align): Use INSN_P.
7477 (machine_dependent_reorg): Likewise.
7478 (split_branches): Likewise.
7479 * config/tahoe/tahoe.c (tahoe_cmp_check): Use INSN_P.
7481 Fri Aug 4 11:43:49 2000 John Wehle (john@feith.com)
7483 * combine.c (recog_for_combine): Remove the old notes
7484 prior to attempting to recognize the new pattern.
7485 (distribute_notes): Ignore REG_NONNEG notes.
7487 2000-08-04 Chandrakala Chavva <cchavva@redhat.com>
7489 * varasm.c (output_constructor): Add .align 0 for packed vars.
7491 2000-08-04 J. David Anglin <dave@hiauly1.hia.nrc.ca>
7493 * configure.in: Use default thread_file even when enable_threads is
7494 yes or dce because hpux10.20 pa port uses MULTILIB implementation.
7495 * configure: Rebuilt.
7497 * gthr-dce.h (__gthread_objc_condition_allocate): Fix typo.
7499 2000-08-04 Donn Terry (donnte@microsoft.com)
7501 * prefix.c (translate_name): Don't strip trailing DIR_SEPARATOR.
7503 2000-08-04 Mark Elbrecht <snowball3@bigfoot.com>
7505 * i386/x-djgpp: Delete code that conditionally modifies target_alias.
7506 Delete code that conditionally modifies 'version'.
7507 Delete X_CPPFLAGS. Add comment for SYSTEM_HEADER_DIR.
7508 * i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): New macro.
7509 * gcc.c (main): Use it.
7510 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): New macro.
7511 * prefix.c (update_path): Use it.
7512 * i386/djgpp.h (STANDARD_INCLUDE_DIR): Define.
7513 (MD_EXEC_PREFIX): Set to '/dev/env/DJDIR/bin/'.
7514 (ASM_OUTPUT_SECTION_NAME): Add code attribute to sections containing
7516 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Default to true.
7517 (SUBTARGET_SWITCHES): Adjust.
7518 (WCHAR_UNSIGNED, WCHAR_TYPE_SIZE, WCHAR_TYPE): Undefine before
7520 (WINT_TYPE, SIZE_TYPE, PTRDIFF_TYPE): Define.
7522 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
7524 * c-common.h (flag_isoc94): Declare.
7525 * c-decl.c (flag_isoc94): Define.
7526 (c_decode_option): Set flag_isoc94 as appropriate.
7527 * c-common.c (T_PD, T_IM, T_UIM): Define.
7528 (format_char_info): Add tlen and jlen.
7529 (print_char_table): Add entries for %t and %j. Allow %zn. Allow
7531 (scan_char_table): Add entries for %t and %j. Allow %F. Allow
7533 (time_char_table): Add NULL entries for %t and %j.
7534 (check_format_info): Allow for %t and %j. Warn for %F if pedantic
7535 and not C99. Warn for %lc, %ls and %l[ if pedantic and not C94.
7536 Warn for printf %lf if pedantic and not C99. Don't warn for empty
7537 precision. Allow precision argument to be unsigned int. If
7538 pedantic, warn for %p passed an argument not a pointer to possibly
7539 qualified void or a possibly qualified character type, and for
7540 pointer targets of the wrong sign, except for character pointers.
7542 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
7544 * ginclude/stddef.h: Don't declare wint_t unless __need_wint_t.
7545 * c-common.h (enum c_tree_index): Add CTI_WINT_TYPE.
7546 (wint_type_node): Define.
7547 * c-decl.c (WINT_TYPE): Define.
7548 (init_decl_processing): Create the wint_type_node type.
7549 * c-common.c (T_WI): Define.
7550 (print_char_table): Use T_WI for %lc format.
7552 2000-08-04 Bruce Korb <bkorb@gnu.org>
7554 * fixinc/: Verified that the MSDOS patch does not break
7555 the UNIX functionality and applied the next three patches
7558 2000-07-28 Eli Zaretskii <eliz@is.elta.co.il>
7560 * fixinc/fixfixes.c (main) [__MSDOS__]: Avoid overwriting the
7561 output file with the temporary one by appending ".X" to generate
7562 the temporary fuile's name. If the output file already has an
7563 extension, replace it with ".X".
7565 * fixinc/fixincl.c (fix_with_system) [__MSDOS__]: Use $ORIGDIR,
7566 not $DESTDIR, to find applyfix. Use sprintf instead of snprintf;
7567 reallocate the command buffer while copying the command-line
7568 argument. Redirect the output directly to the temporary file,
7569 instead of going through another temporary file.
7570 (process): Close the temporary file before unlinking it.
7571 (machine_matches) [__MSDOS__]: If the machine doesn't match, set
7572 the FD_SKIP_TEST flag. Pay attention to the FD_MACH_IFNOT flag.
7573 (run_compiles): Pass p_fixd argument to machine_matches, as it
7576 * fixinc/fixincl.sh: Export ORIGDIR. If $DJDIR is set in the
7577 environment, assume there are no symlinks in the include
7578 directory. When cleaning up the DONE files, look for them
7579 case-insensitively. Don't try to remove symlinks if they aren't
7582 * fixinc/fixlib.c (make_raw_shell_str): Accept new argument smax;
7583 all callers changed. Declare pz "const char *", to avoid compiler
7586 * fixinc/fixlib.h (ENV_TABLE): Get ORIGDIR from the environment.
7587 Change prototype of make_raw_shell_str.
7589 2000-07-27 Eli Zaretskii <eliz@is.elta.co.il>
7591 * fixinc/fixincl.c [__MSDOS__]: Don't include "server.h".
7592 (initialize) [__MSDOS__]: Use tempnam.
7593 (initialize): Don't use SIGPIPE if it is not defined.
7595 * fixinc/fixfixes.c (main) [__MSDOS__]: freopen for stdout should
7598 2000-07-25 Bruce Korb <bkorb@gnu.org>
7600 * fixinc/fix*.[ch]: substantially reworked to make it possible
7601 to run this program without using fork(2) or pipe(2) (i.e. in
7604 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
7606 * cppdefault.h (WINT_TYPE): Define.
7607 * cppinit.c (builtin_array): Define __WINT_TYPE__.
7608 * tradcpp.c (initialize_builtins): Define __WINT_TYPE__.
7609 * tm.texi (NO_BUILTIN_WINT_TYPE, WINT_TYPE): Document.
7611 Fri Aug 4 06:53:46 2000 Clinton Popetz <cpopetz@cygnus.com>
7613 * (mips_legitimate_address_p): Don't allow register+offset
7614 if the offset is large and negative, and we are compiling
7615 for 64 bit registers.
7617 2000-08-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7619 * gencodes.c (main): Define CODE_FOR_nothing as the last possible
7620 insn_code_number + 1.
7622 2000-08-04 Kazu Hirata <kazu@hxi.com>
7624 * h8300.c (function_prologue): Rearrange code for conciseness.
7625 (function_epilogue): Likewise.
7626 * h8300.h (OK_FOR_U): Fix formatting.
7628 * cse.c: Fix a comment typo. Fix formatting.
7630 2000-08-03 Richard Henderson <rth@cygnus.com>
7632 * config/i386/i386.md (return_indirect_internal): New.
7633 * config/i386/i386.c (ix86_expand_epilogue): Use it.
7635 2000-08-03 Zack Weinberg <zack@wolery.cumb.org>
7637 * cpplex.c (parse_name): Might have to glue a CPP_OTHER token
7639 (lex_line): Glue @ onto the beginning of identifiers and
7640 string constants, in Objective-C mode.
7641 (output_token, spell_token): Handle CPP_OSTRING.
7642 (can_paste, maybe_paste_with_next): Handle pasting @ onto the
7643 beginning of a NAME or a STRING, in objc mode.
7645 * cpplib.c (get_define_node): Do not permit identifiers that
7646 begin with @ to be #defined.
7647 * cppmacro.c (CAN_PASTE_AFTER): Add CPP_OTHER.
7648 * cpplib.h (TTYPE_TABLE): Add CPP_OSTRING.
7650 * c-lang.c, objc/objc-act.c (build_objc_string): Delete.
7651 * c-tree.h (build_objc_string): Delete prototype.
7652 * objc/objc-tree.def: Delete OBJC_STRING_CST.
7653 * c-lex.c (yylex): Use build_string for all three kinds of strings.
7655 * c-parse.in, objc/objc-act.c: Update commentary.
7657 2000-08-03 Mark Mitchell <mark@codesourcery.com>
7659 * extend.texi: Fix typo in last change.
7661 * extend.texi: Add commentary on statement-expressions and their
7662 interactions with C++.
7664 2000-08-03 Nick Clifton <nickc@cygnus.com>
7666 * dwarf2.h (DW_LANG_Java): Change value to 0x000b.
7667 * dwarf.h (LANG_JAVA): Change value to 0x000b.
7669 2000-08-03 Anthony Green <green@cygnus.com>
7671 * dwarf2out.c (gen_compile_unit_die): Add java language support.
7672 (add_bound_info): Check for java language.
7673 (is_java): New function.
7674 * dwarfout.c (output_compile_unit_die): Ditto.
7675 * dwarf.h (dwarf_source_language): Add java source language type.
7676 * dwarf2.h (dwarf_source_language): Ditto.
7678 Thu Aug 3 20:32:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
7680 * reg-stack.c (subst_stack_regs_pat): Use replace_reg to swap
7683 * i386.c (ix86_expand_branch): Mode of comparison in
7684 IF_THEN_ELSE is VOIDmode.
7686 Thu Aug 3 10:05:53 2000 Akiko Matsushita <matusita@sra.co.jp>
7688 * gengenrtl.c, rtl.c: Avoid #elif.
7690 2000-08-03 Michael Poole <poole@troilus.org>
7692 * tm.texi (Register Classes): Clarify order of sub-initializers
7693 in REG_CLASS_CONTENTS.
7695 Thu Aug 3 15:53:03 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7697 From SAITOH Masanobu:
7698 * sh.h (ASM_OUTPUT_REG_PUSH): Fix syntax.
7700 2000-08-03 David Billinghurst <David.Billinghurst@riotinto.com.au>
7702 * config/i386/cygwin.h: Remove -remap from CPP_SPEC since this option
7703 is not supported by tradcpp and isn't actually needed for cygwin.
7705 2000-08-03 Kazu Hirata <kazu@hxi.com>
7707 * h8300.c: Fix a comment typo.
7708 * h8300.h (OK_FOR_U): Accept a 32-bit constant address on H8/S.
7710 * jump.c: Fix formatting.
7712 * toplev.c: Fix formatting.
7714 Thu Aug 3 01:05:32 2000 Jeffrey A Law (law@cygnus.com)
7716 * flow.c (find_auto_inc): Verify that we've got a REG before
7717 peeking at its regno. Fail, don't abort if we can't find
7718 the increment of the desired register.
7720 * pa.md (shadd height reduction patterns/splitters): Remove.
7722 2000-08-02 Jim Wilson <wilson@cygnus.com>
7724 * config/ia64/ia64-protos.h (flag_ssa): Declare.
7725 * config/ia64/ia64.md (movti_internal, movti_internal+1): New.
7727 2000-08-02 Mark Mitchell <mark@codesourcery.com>
7729 * dce.c: Remove all uses of assert.
7730 * dwarf2out.c: Likewise.
7731 * dwarfout.c: Likewise.
7734 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
7736 * gcc.h (lang_specific_driver): Constify second argument.
7737 * gcc.c (translate_options, process_command, main): Likewise.
7738 Constify variables to match. Cast second argument to
7741 * cppspec.c, gccspec.c: Adjust type of second argument to
7742 lang_specific_driver, and update code as necessary.
7744 2000-08-02 Jakub Jelinek <jakub@redhat.com>
7746 * loop.c (scan_loop): Ensure update_end label does not
7747 go away until reg_scan_update is run.
7749 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
7751 * c-common.h: Prototype min_precision and c_build_qualified_type here...
7752 * c-tree.h: ... not here.
7753 * errors.h: Prototype fancy_abort.
7755 * emit-rtl.c (gen_lowpart_common): Move variable 'c' into
7756 HOST_BITS_PER_WIDE_INT == 64 ifdef block.
7757 * regrename.c (regrename_optimize): Make control flow explicit.
7758 (replace_reg_in_block): Initialize reg_use to 0.
7760 * i386.c (legitimate_address_p): Rename error label to
7761 report_error to avoid namespace clash.
7763 2000-08-02 Kazu Hirata <kazu@hxi.com>
7765 * fold-const.c: Fix formatting.
7767 Wed Aug 2 16:26:15 MET DST 2000 Jan Hubicka <jh@suse.cz>
7769 * i386.c (legitimate_address_p): Accept other bases than
7770 pic_offset_table_rtx for GOTOFF constructs.
7772 Wed Aug 2 15:59:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
7774 * i386.md (shift to lea splitter): Use const_int_operand.
7776 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
7778 * cppexp.c, cppinit.c, cpplex.c, cpplib.c, cppmacro.c,
7779 cppspec.c: Do not use 'legal' or 'illegal' in error messages
7782 * cppmain.c (cb_define, cb_undef): Don't generate any output
7783 if not done_initializing.
7784 * cpplex.c (maybe_paste_with_next): When the token after a ##
7785 is an omitted rest argument, only delete the token before it
7786 if that token is a comma. Do not warn about bogus token
7787 pastes for , ## rest_arg.
7790 * cpp.1: Regenerate.
7792 2000-08-02 Fred Fish <fnf@be.com>
7794 * config/i386/beos-elf.h (STARTFILE_SPEC): Add i386-mcount.o
7795 when user gives -p option. Add init_term_dyn.o for BeOS 5.0
7798 * config/i386/beos-elf.h (INCLUDE_DEFAULTS): Add additional
7799 Be directories to search path.
7801 Remove support for __declspec(dllimport) and __declspec(dllexport).
7802 This is leftover cruft from the earlier BeOS gcc port when BeOS
7803 used Microsoft's PE object file format.
7804 * configure.in (i*86-*-beoself): Remove extra_objs=winnt.o.
7805 * config/i386/t-beos (winnt.o): Remove Makefile frag.
7806 * config/i386/beos-elf.h (TARGET_NOP_FUN_DLLIMPORT): Remove.
7807 (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
7808 (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
7809 (MERGE_MACHINE_DECL_ATTRIBUTES): Remove.
7810 (REDO_SECTION_INFO_P): Remove.
7811 (ASM_EXPORT_DECL): Remove.
7812 (ASM_DECLARE_FUNCTION_NAME): Remove.
7813 (ASM_DECLARE_OBJECT_NAME): Remove.
7814 (ASM_OUTPUT_ALIGNED_COMMON): Remove.
7815 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Remove.
7816 (ASM_OUTPUT_ALIGNED_LOCAL): Remove.
7817 (STRIP_NAME_ENCODING): Remove.
7819 Remove support for obsolete version of BeOS that is no longer
7821 * configure.in (i*86-*-beospe*): Remove.
7822 * config/i386/beos-pe.h: Remove.
7824 2000-08-01 Jeffrey Oldham <oldham@codesourcery.com>
7825 Mark Mitchell <mark@codesourcery.com>
7827 * Makefile.in (OBJS): Added dce.o.
7828 (ssa.o): Updated target to include ssa.h.
7830 (toplev.o): Likewise.
7831 (dce.o): Created target.
7832 * basic-block.h: Added comments.
7833 (INVALID_BLOCK): Added definition.
7834 (connect_infinite_loops_to_exit): Added declaration.
7835 Moved SSA declarations to ssa.h.
7836 * flow.c: Added inclusion of ssa.h.
7837 (struct depth_first_search_dsS, depth_first_search_ds):
7839 (compute_immediate_postdominators): Added definition.
7840 (connect_infinite_loops_to_exit): Likewise.
7841 (flow_dfs_compute_reverse_init): Likewise.
7842 (flow_dfs_compute_reverse_add_bb): Likewise.
7843 (flow_dfs_compute_reverse_execute): Likewise.
7844 (flow_dfs_compute_reverse_finish): Likewise.
7845 * rtl.h (rtx/in_struct): Added use to determine insn necessity.
7846 (LABEL_P): Added definition.
7849 (BARRIER_P): Likewise.
7850 (JUMP_TABLE_DATA_P): Likewise.
7851 (INSN_DEAD_CODE_P): Likewise.
7852 * ssa.c: Replaced inclusions with ssa.h inclusion.
7853 (CONVERT_HARD_REGISTER_TO_SSA_P): Moved to ssa.h.
7854 (rename_registers): Removed unnecessary variables.
7855 * ssa.h: Created by moving declarations from ssa.c and
7857 * timevar.def: Defined TV_DEAD_CODE_ELIM.
7858 * toplev.c: Added ssa.h inclusion.
7859 (dump_file_index): Added DFI_dce.
7860 (dump_file): Added "dce" entry.
7862 (f_options): Added dce entry.
7863 * invoke.texi: Document -fdce. Emphasize experimental status of
7867 2000-08-01 Zack Weinberg <zack@wolery.cumb.org>
7869 * cpperror.c (v_message): Split into _cpp_begin_message and
7870 v_message macro. All callers updated.
7871 (_cpp_begin_message): Do inhibit_errors/inhibit_warnings
7874 * cppfiles.c (cpp_syshdr_flags): New function.
7875 (read_include_file): Don't call cpp_output_tokens. Call
7877 * cppinit.c (dump_macros_helper): Moved to cppmain.c.
7878 (cpp_reader_init): Don't initialize token_buffer. Call
7879 _cpp_init_internal_pragmas.
7880 (cpp_cleanup): Don't clear token_buffer.
7881 (cpp_start_read): Don't worry about output from -D processing.
7882 Don't call cpp_output_tokens.
7883 (cpp_finish): Don't dump macros here. Don't call
7885 * cppmacro.c (_cpp_dump_definition): Rename
7886 cpp_dump_definition. Write directly to a FILE *.
7887 (dump_funlike_macro): Delete.
7888 (dump_macro_args): New.
7890 * cpplex.c (TOKEN_LEN): Convert to inline function.
7891 (_cpp_grow_token_buffer, safe_fwrite, cpp_output_tokens,
7892 cpp_scan_line, _cpp_dump_list): Delete.
7893 (cpp_printf, cpp_output_list): New.
7894 (output_line_command): Don't worry about entering or leaving files.
7895 (cpp_scan_buffer): Just output each token as we hit it.
7896 (process_directive): Don't call cpp_output_tokens.
7897 (_cpp_glue_header_name): Don't use token_buffer.
7898 (output_token, dump_param_spelling): Write directly to a FILE *.
7900 * cpplib.c (pass_thru_directive, dump_macro_name,
7901 pragma_dispatch, do_pragma_gcc): Delete.
7902 (do_define, do_undef, parse_include, do_line, do_ident, do_pragma,
7903 do_pragma_poison, cpp_pop_buffer): Call the appropriate hook
7905 (do_error, do_warning, pragma_dependency): Call
7906 _cpp_begin_message, then cpp_output_list.
7907 (cpp_register_pragma, cpp_register_pragma_space,
7908 _cpp_init_internal_pragmas): New.
7909 (do_pragma): Walk the pragmas table here.
7910 (do_pragma_once, do_pragma_poison, do_pragma_system_header,
7911 do_pragma_dependency): Return void.
7912 (do_pragma_implementation): Moved to cppmain.c.
7914 * cpplib.h: Update prototypes.
7915 (struct cpp_reader): Remove printer, token_buffer,
7916 token_buffer_size, and limit. Add struct cb, and pragmas.
7917 (struct cpp_printer): Remove last_id and written.
7918 (CPP_WRITTEN, CPP_PWRITTEN, CPP_SET_WRITTEN,
7919 CPP_ADJUST_WRITTEN): Delete.
7920 * cpphash.h: Update prototypes.
7921 (ufputs): New wrapper.
7923 * cppmain.c (cb_define, cb_undef, cb_include, cb_ident,
7924 cb_enter_file, cb_leave_file, cb_def_pragma): New functions.
7925 (main): Set up callbacks. Register #pragma implementation.
7926 Dump macros from here.
7928 2000-08-01 Geoff Keating <geoffk@cygnus.com>
7930 * rtl.h (enum reg_note): Add REG_MAYBE_DEAD.
7931 * rtl.c (reg_note_name): Add REG_MAYBE_DEAD.
7932 * flow.c (propagate_one_insn): Allow deletion of prologue/epilogue
7933 insns if they have a REG_MAYBE_DEAD note attached.
7934 * config/rs6000/rs6000.c (rs6000_maybe_dead): New function.
7935 (rs6000_emit_load_toc_table): TOC loads may go dead.
7937 2000-08-01 Jim Wilson <wilson@cygnus.com>
7939 * config/ia64/ia64.c (ia64_function_arg): Fix last change. Verify
7940 type exists before using it. Use number of words as alignment
7942 (ia64_function_arg_partial_nregs, ia64_function_arg_advance,
7943 ia64_va_arg): Propagate ia64_function_args changes here.
7945 2000-08-01 Richard Henderson <rth@cygnus.com>
7947 * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Care for null DECL.
7948 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
7950 2000-08-01 Bernd Schmidt <bernds@cygnus.co.uk>
7952 From Joern Rennecke:
7953 * sh.h (CPP_SPEC, TARGET_SWITCHES): Add m4-nofpu.
7954 * sh.md (udivsi3, divsi3): Don't use libcalls that use the FPU
7955 unless TARGET_SH3E is set.
7956 * t-sh (MULTILIB_MATCHES): Add m2=m4-nofpu.
7958 * sh.md (ashlsi3_d, ashlsi3_k): Remove, replace with
7959 (ashlsi3_std): New pattern.
7960 (ashlsi3 expander): Use it for TARGET_SH3.
7961 * sh.c (gen_ashift): Use it instead of ashlsi3_k.
7963 Tue Aug 1 12:34:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
7965 * loop.c (canonicalize_condition): Use destination, not source to
7966 determine SET's mode.
7968 2000-07-31 Mark Mitchell <mark@codesourcery.com>
7970 * flow.c (clear_log_links): Fix typo.
7972 Mon Jul 31 22:19:24 2000 Jeffrey A Law (law@cygnus.com)
7974 * loop.c (check_dbra_loop): Make change from July 17, 2000 work
7975 on targets which need more than one insn for a compare/cbranch
7978 2000-07-31 Jim Wilson <wilson@cygnus.com>
7980 * config/ia64/ia64.c (ia64_function_arg): Use alignment not size
7981 when computing offset.
7983 Mon Jul 31 20:35:50 2000 Denis Chertykov <denisc@overta.ru>
7985 * genpeep.c (main): Handle DEFINE_PEEPHOLE2.
7987 2000-07-31 Geoff Keating <geoffk@cygnus.com>
7989 * flow.c (clear_log_links): Nuke global_live_at_start and
7990 global_live_at_end data, since if the log_links stuff is invalid
7991 so is global_live_at_*.
7993 2000-07-31 Richard Henderson <rth@cygnus.com>
7995 * tm.texi (Addressing Modes): Clarify PRE/POST_MODIFY descriptions.
7997 2000-07-31 Jakub Jelinek <jakub@redhat.com>
7999 * cpplex.c (_cpp_get_line): If index is 0, return line 0 col 0.
8000 (_cpp_get_token): Don't macro expand a just pasted token if it
8001 was pasted at no_expand_level.
8003 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
8005 * cppmacro.c (find_param, count_params, save_expansion):
8006 Permit 'defined' as a macro parameter name.
8008 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
8010 * Makefile.in: Rename cpp to cpp0, tradcpp to tradcpp0, and
8011 xcpp to cpp throughout.
8012 (native): Remove unnecessary dependency on cpp.
8014 * gcc.c (trad_capable_cpp, C specs): Rename cpp to cpp,
8015 tradcpp to tradcpp0.
8016 (.i spec): Add missing output-file spec to cc1 command line.
8017 * objc/lang-specs.h: Rename cpp to cpp0 and/or tradcpp to tradcpp0.
8019 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
8021 * c-decl.c (mesg_implicit_function_declaration): Init to -1.
8022 (implicit_decl_warning): New function.
8023 (implicitly_declare): Use it.
8024 * c-typeck.c (build_external_ref): Use implicit_decl_warning
8025 to complain about implicit decls of builtins.
8027 * c-lang.c (lang_init): Set mesg_implicit_function_declaration
8028 based on pedantic && flag_isoc99, if not already set.
8029 * c-tree.h: Declare mesg_implicit_function_declaration.
8030 Prototype implicit_decl_warning.
8032 2000-07-30 Jeffrey D. Oldham <oldham@codesourcery.com>
8034 * Makefile.in (ssa.o): Updated header files in dependences.
8035 * basic-block.h: Added compute_immediate_postdominators declaration.
8036 * config/i386/i386.h (CONVERT_HARD_REGISTER_TO_SSA_P): Added
8038 * flow.c (compute_immediate_dominators): Updated comment.
8039 (compute_immediate_postdominators): Added definition.
8040 * rtl.h (HARD_REGISTER_P): Added definition.
8041 * ssa.c: Include additional header files.
8042 (assert): Added definition.
8043 (ssa_rename_to_lookup): Added to reimplement ssa_rename_to to
8044 include select hard registers.
8045 (ssa_rename_to_insert): Likewise.
8046 (ssa_rename_from_initialize): Likewise.
8047 (ssa_rename_from_lookup): Likewise.
8048 (original_register): Likewise.
8049 (ssa_rename_from_insert): Added to reimplement ssa_rename_from to
8050 include select hard reigsters.
8051 (ssa_rename_from_traverse): Likewise.
8052 (ssa_rename_from_free): Likewise.
8053 (ssa_rename_from_print): Likewise.
8054 (ssa_rename_from_print_1): Likewise.
8055 (ssa_rename_from_hash_function): Likewise.
8056 (ssa_rename_from_equal): Likewise.
8057 (ssa_rename_from_delete): Likewise.
8058 (simplify_to_immediate_dominators): Removed in favor of
8059 flow.c:compute_immediate_dominators.
8060 (find_evaluations_1): Modified to work with hard registers.
8061 (insert_phi_node): Likewise.
8062 (insert_phi_nodes): Likewise.
8063 (struct rename_set_data): Updated prev_reg comment.
8064 (create_delayed_rename): Modified to work with hard registers.
8065 (RENAME_NO_RTX): Updated comment.
8066 (apply_delayed_renames): Modified to work with hard registers.
8067 (rename_insn_1): Likewise and added handling of CLOBBER rtls.
8068 (rename_block): Updated to use revised ssa_rename_to interface.
8069 (rename_registers): Updated to use revised ssa_rename_to and
8070 ssa_rename_from interface.
8071 (convert_to_ssa): Revised to use compute_immediate_dominators and
8072 deal with hard registers.
8073 (make_regs_equivalent_over_bad_edges): Modified to work with hard
8074 registers. Added check for illegal unification of hard register.
8075 (make_equivalent_phi_alternatives_equivalent): Modified to work
8076 with hard registers.
8077 (compute_conservative_reg_partition): Likewise.
8078 (coalesce_if_unconflicting): Modified to work with hard registers
8079 and check for conflicting hard registers.
8080 (mark_phi_and_copy_regs): Revised loop to work only on pseudo
8082 (rename_equivalent_regs_in_insn): Modified to work with hard
8084 (record_canonical_element_1): Added definition.
8085 (check_hard_regs_in_partition): Added definition.
8086 (convert_from_ssa): Added data structure deallocation and check
8087 for illegal hard register unification.
8088 (conflict_hard_regs_p): Added definition.
8089 * toplev.c (rest_of_compilation): Added comment.
8091 2000-07-31 Anthony Green <green@redhat.com>
8093 * config/ia64/crtbegin.asm (__EH_FRAME_BEGIN__): Align correctly.
8095 2000-07-31 Jason McMullan <jmcmullan@linuxcare.com>
8097 * builtins.c (expand_builtin_apply): Don't defer pop during
8100 2000-07-31 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8102 * calls.c (combine_pending_stack_adjustment_and_call): Only use
8103 preferred_unit_stack_boundary when it is > 1.
8105 2000-07-31 Joseph S. Myers <jsm28@cam.ac.uk>
8107 * c-common.c (init_function_format_info): Add C99 format functions
8110 * c-decl.c (get_parm_info): Don't treat 'const void', 'volatile
8111 void' or 'register void' as being the special case of 'void' alone
8112 in a parameter list.
8114 * c-typeck.c (build_c_cast): Change -Wcast-qual pedwarn for
8115 discarding qualifiers into a plain warning.
8117 2000-07-31 Kazu Hirata <kazu@hxi.com>
8119 * combine.c: Fix formatting.
8121 * h8300.md: Fix formatting.
8123 * local-alloc.c: Fix formatting.
8125 * h8300.c (get_shift_alg): Remove the variable alg.
8126 (emit_a_shift): Rearrange code to improve readability.
8128 * h8300.md (movsi_h8300hs): Rearrange code to improve readability.
8130 * h8300.h (MODES_TIEABLE_P): Accept a combination of QImode and
8131 HImode on all architectures and a combination of HImode and SImode
8132 on H8/300H and H8/S.
8134 * h8300.c (split_adds_subs): Rearrange code for conciseness.
8136 Mon Jul 31 12:27:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
8138 * i386.md (addsi to lea splitter, ashlqi3_1_lea): Fix bugs
8141 Mon Jul 31 10:41:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
8143 * recog.c (extract_insn): Set operand_mode according to
8144 operand if match_operand is VOIDmode.
8146 Mon Jul 31 10:36:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
8148 * recog.c (validate_replace_rtx_1): Do not abort for (nil) expression.
8150 2000-07-31 Geoff Keating <geoffk@cygnus.com>
8152 * c-parse.in (extdefs): Call ggc_collect between external
8155 2000-07-30 Michael Hayes <mhayes@cygnus.com>
8156 Richard Henderson <rth@cygnus.com>
8158 * Makefile.in (OBJS): Add doloop.o.
8159 * doloop.c: New file.
8161 * final.c (insn_current_reference_address): Return 0 before final.
8162 * flags.h (flag_branch_on_count_reg): Fix typos in commentary.
8163 * jump.c (any_uncondjump_p): Likewise.
8164 * loop.c (indirect_jump_in_function): Make static.
8165 (strength_reduce): Call doloop_optimize.
8166 (insert_bct, instrument_loop_bct): Remove.
8167 * loop.h (doloop_optimize): Prototype.
8168 * recog.c (split_all_insns): Split all INSN_P.
8169 * toplev.c (flag_branch_on_count_reg): Default on.
8171 * config/c4x/c4x.c (c4x_optimization_options): Don't set
8172 flag_branch_on_count_reg.
8173 * config/i386/i386.c (override_options): Likewise.
8174 * config/rs6000/rs6000.c (optimization_options): Likewise.
8176 * config/i386/i386.md (decrement_and_branch_on_count): Remove.
8178 (dbra_ge): Remove, as well as all it's splitters.
8180 * config/rs6000/rs6000.md (decrement_and_branch_on_count): Remove.
8183 * config/ia64/ia64-protos.h (ar_lc_reg_operand): Declare.
8184 (ia64_register_move_cost): Declare.
8185 * config/ia64/ia64.c (ar_lc_reg_operand): New.
8186 (struct ia64_frame_info): Add ar_size.
8187 (ia64_compute_frame_size): Set it.
8188 (save_restore_insns): Save and restore ar.lc.
8189 (ia64_register_move_cost): New, moved from header file. Handle
8190 application registers.
8191 (REG_AR_PFS, REG_AR_EC): Remove. Replace with AR_*_REGNUM numbers.
8192 (emit_insn_group_barriers): Special case doloop_end_internal.
8193 (ia64_epilogue_uses): Mark ar.lc live at end.
8194 * config/ia64/ia64.h (AR_CCV_REGNUM, AR_LC_REGNUM): New registers.
8195 (AR_EC_REGNUM, AR_PFS_REGNUM): New registers.
8196 (FIRST_PSEUDO_REGISTER): Make room.
8197 (AR_M_REGNO_P, AR_I_REGNO_P, AR_REGNO_P): New.
8198 (FIXED_REGISTERS, CALL_USED_REGISTERS): Update.
8199 (REG_ALLOC_ORDER): Update.
8200 (HARD_REGNO_MODE_OK): Update.
8201 (REGISTER_NAMES): Update.
8202 (enum reg_class): Add AR_M_REGS and AR_I_REGS.
8203 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
8204 (REGNO_REG_CLASS): Update.
8205 (LEGITIMATE_ADDRESS_DISP): Displacement range is 9 bits, not 10.
8206 (REGISTER_MOVE_COST): Move out of line.
8207 (PREDICATE_CODES): Update.
8208 * config/ia64/ia64.md (movdi patterns): Handle ar register classes.
8209 (addsi3_plus1_alt, adddi3_plus1_alt): New.
8210 (shladd_elim splitter): Allow constants in the predicate.
8211 (doloop_end, doloop_end_internal): New.
8213 2000-07-30 Richard Henderson <rth@cygnus.com>
8215 * genattrtab.c (struct insn_def): Add lineno member.
8216 (struct insn_ent): Likewise.
8217 (struct attr_desc): Likewise.
8218 (struct delay_desc): Likewise.
8219 (struct function_unit_op): Likewise.
8220 (struct function_unit): Likewise.
8221 (check_attr_value): Use message_with_line.
8222 (check_defs): Likewise.
8223 (expand_units): Likewise.
8224 (check_attr_test): Take a lineno argument.
8225 (gen_attr): Likewise.
8226 (gen_insn): Likewise.
8227 (gen_delay): Likewise.
8228 (gen_unit): Likewise.
8229 (main): Give it to them.
8230 (convert_set_attr_alternative): Take an insn_def argument
8231 instead of num_alt and insn_index.
8232 (convert_set_attr): Likewise.
8233 (write_test_expr): Protect INSN_ADDRESSES load
8234 with INSN_ADDRESSES_SET_P.
8236 2000-07-30 Richard Henderson <rth@cygnus.com>
8238 * flow.c (init_propagate_block_info): Use pc_set.
8240 Sun Jul 30 20:58:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
8242 * i386.md (*lea_general_[123]) New insns and splits.
8243 (addsi3 to lea splitter): Handle other modes too.
8244 (shlsi3 to lea splitter): Likewise.
8245 (addhi_1_lea, shlhi_1_lea): New patterns.
8246 (addhi_1, shlhi_1): Conditionize by PARTIAL_REG_STALL.
8248 Sun Jul 30 20:51:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
8250 * recog.c (general_operand, nonimmediate_operand): Accept
8251 any mode for VOIDmode CONSTANT_P operands.
8253 Sun Jul 30 20:42:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
8255 * gcse.c (try_replace_reg): Use validate_replace_rtx_subexp
8256 instead of replace_rtx.
8257 * recog.c (validate_replace_rtx_subexp): New function.
8258 * recog.h (validate_replace_rtx_subexp): Declare.
8260 Sun Jul 30 20:38:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
8262 * combine.c (simplify_set, make_extraction, make_compound_operation
8263 make_field_assignment): Use full mask instead of GET_MODE_MASK (mode)
8264 as force_to_mode argument.
8266 Sun Jul 30 20:30:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
8268 * combine.c (if_then_else_cond): Be sure that mode fits in
8271 Sun Jul 30 20:27:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
8273 * combine.c (record_promoted_value): Allow bitsize of mode
8274 to be equivalent to HOST_BITS_PER_WISE_INT.
8276 Sun Jul 30 20:25:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
8278 * function.c (assign_stack_local_1, assign_stack_temp_for_type):
8279 Do not call gen_mode_alignment when mode is BLKmode.
8281 Sun Jul 30 20:21:54 MET DST 2000 Jan Hubicka <jh@suse.cz>
8283 * loop.c (express_from_1): Fix call of simplify_gen_binary.
8285 Sun Jul 30 20:08:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
8287 * simplify-rtx.c (simplify_relational_operation): Verify that mode ==
8288 VOIDmode implies both operands to be VOIDmode.
8289 (simplify_ternary_operation): Compute properly the mode of comparison.
8290 * combine.c (combine_simplify_rtx): Likewise.
8292 2000-07-25 Michael Hayes <mph@paradise.net.nz>
8294 * basic-block.h (struct loops): New field rc_order.
8295 * flow.c (flow_loops_cfg_dump): Dump rc_order if computed.
8296 (flow_loops_free): Free rc_order.
8297 (flow_depth_first_order_compute): New parameter rc_order.
8298 (flow_loops_find): Allocate rc_order and swap usage with
8301 2000-07-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8302 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8304 * config/c4x/c4x.md (set_ldp_prologue): Add for RTL prologue/epilogue.
8305 (push_st, push_dp, pop_st, pop_dp, popqi_unspec): Likewise.
8306 (nodb_call, return_from_epilogue): Likewise.
8307 (return_from_interrupt_epilogue, prologue, epilogue): Likewise.
8308 * config/c4x/c4x.c (c4x_expand_prologue, c4x_expand_eplilogue): Add.
8309 * config/c4x/c4x-protos.h (c4x_interrupt_function_p): Add.
8310 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
8311 (c4x_valid_type_attribute_p): Likewise.
8312 * config/c4x/c4x.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Delete.
8313 (FUNCTION_BLOCK_PROFILER_EXIT): Convert to emit RTL.
8315 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8317 * config/c4x/c4x.c (c4x_emit_move_sequence): Use loadqi_big_constant
8318 and loadhi_big_constant if applicable.
8319 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant): Tweak
8320 and add new splitter.s
8322 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8324 * config/c4x/c4x.c (c4x_rptb_insert): Make more robust.
8326 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8328 * config/c4x/c4x.h (ASM_FORMAT_PRIVATE_NAME): Output $ in label.
8330 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8332 * config/c4x/c4x.h (IS_XXX_REGNO): Rewrite to avoid unsigned warnings.
8334 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8336 * config/c4x/libgcc.S (divqf3): Improve accuracy.
8338 2000-07-27 Mark Mitchell <mark@codesourcery.com>
8340 Put phi nodes after NOTE_INSN_BASIC_BLOCK.
8341 * rtl.h (NOTE_INSN_BASIC_BLOCK_P): New macro.
8342 * bb-reorder.c (get_next_bb_note): Use NOTE_INSN_BASIC_BLOCK_P.
8343 (get_prev_bb_note): Likewise.
8344 (remove_scope_notes): Likewise.
8345 * flow.c (commit_one_edge_insertion): Likewise.
8346 (merge_blocks_nomove): Likewise.
8347 (verify_flow_info): Likewise.
8348 * gcse.c (insert_insn_end_bb): Likewise.
8349 * reg-stack.c (emit_swap_insn): Likewise.
8350 * ssa.c (first_insn_after_basic_block_note): New function.
8351 (insert_phi_node): Use it.
8352 (rename_block): Likewise.
8353 (eliminate_phi): Likewise.
8354 (make_regs_equivalent_over_bad_edges): Likewise.
8355 (make_equivalent_phi_alternatives_equivalent): Likewise.
8356 (for_each_successor_phi): Likewise.
8357 (convert_from_ssa): Modify phi-node deletion algorithm.
8359 2000-07-29 Andreas Jaeger <aj@suse.de>
8361 * configure.in (mips*-*-linux*): Use mips*el to check for little
8362 endian MIPS, add tmake_file.
8364 * config/mips/linux.h (TARGET_VERSION): Use GNU/Linux.
8365 (SUBTARGET_CPP_SPEC): Default MIPS_ISA is 1.
8366 Patches by Maciej W. Rozycki <macro@ds2.pg.gda.pl>.
8368 2000-07-28 Richard Henderson <rth@cygnus.com>
8370 * config/ia64/ia64.c (ia64_print_operand): Fix typos.
8371 Sign extend mode size before negating.
8373 2000-07-28 Richard Henderson <rth@cygnus.com>
8375 * emit-rtl.c (gen_lowpart_common): Add missing 'c' variable.
8377 2000-07-28 Bernd Schmidt <bernds@cygnus.co.uk>
8379 * cse.c (canon_hash): Handle PRE_MODIFY/POST_MODIFY.
8380 (cse_insn): Likewise.
8381 (addr_affects_sp_p): Likewise.
8382 * expr.c (move_by_pieces): Likewise.
8383 (clear_by_pieces): Likewise.
8384 * gcse.c (oprs_unchanged_p): Likewise.
8385 * haifa-sched.c (sched_analyze_2): Likewise.
8386 * recog.c (offsettable_address_p): Likewise.
8387 * regclass.c (record_address_regs): Likewise.
8388 * reload.c (find_reusable_reload): Likewise.
8389 (push_reload): Likewise.
8390 (operands_match_p): Likewise.
8391 (decompose): Likewise.
8392 (find_reloads_address_1): Likewise.
8393 (find_inc_amount): Likewise.
8394 * reload1.c (elimination_effects): Likewise.
8395 * resource.c (mark_set_resources): Likewise.
8396 * flow.c (attempt_auto_inc): New function; mostly broken out
8398 (find_auto_inc): Split into two functions and enhanced to
8399 generate POST_MODIFY.
8400 * rtl.def (PRE_MODIFY, POST_MODIFY): Adjust comment.
8401 * rtl.h (count_all_occurrences): Declare.
8402 (HAVE_{PRE,POST}_MODIFY_{DISP,REG}): Provide default of 0 if not
8404 * rtlanal.c (count_all_occurrences): New function.
8405 * tm.texi (HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_DISP,
8406 HAVE_POST_MODIFY_REG, HAVE_PRE_MODIFY_REG): Document.
8408 * config/ia64/ia64-protos.h (destination_operand): Declare.
8409 * config/ia64/ia64.c (destination_operand): New function.
8410 (ia64_print_operand): Handle POST_MODIFY.
8411 (rtx_needs_barrier): Likewise.
8412 * config/ia64/ia64.h (HAVE_POST_MODIFY_DISP): Define to 1.
8413 (HAVE_POST_MODIFY_REG): Define to 1.
8414 (MAX_REGS_PER_ADDRESS): Change to 2.
8415 (GO_IF_LEGITIMATE_ADDRESS): Accept POST_MODIFY too.
8416 (LEGITIMATE_ADDRESS_REG): New helper macro.
8417 (LEGITIMATE_ADDRESS_DISP): Likewise.
8418 (PREDICATE_CODES): Add entry for destination_operand.
8419 * config/ia64/ia64.md (all mov patterns): Use destination_operand
8420 predicate for operand 0.
8422 2000-07-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8424 * dwarf2out.c: Indent #error directive.
8426 * gbl-ctors.h: Fix typo in comment.
8427 (__do_global_ctors): Prototype.
8429 * gcse.c (record_one_set, pre_delete): Remove unused variables.
8431 * rs6000.c (rs6000_maybe_dead): Delete unused prototype.
8432 (print_operand): Initialize variable `t'.
8434 2000-07-27 Aldy Hernandez <aldyh@redhat.com>
8436 * config/arm/arm.md ("call_value"): removed constraints.
8437 Constraints are ignored in expanders.
8438 (*call_value_reg): split =rf into various constraints.
8439 (*call_value_mem): same
8440 (*call_value_symbol): same
8441 (*sibcall_value_insn): same
8443 2000-07-28 Philipp Thomas <pthomas@suse.de>
8445 * install.texi (--enable-nls): Change the description of the NLS
8446 related configure options to match the current state.
8447 (--with-included-gettext): Likewise.
8448 (--enable-maintainer-mode): New description added.
8449 * extend.texi (-fstrict-prototype): Add missing '.'.
8451 2000-07-27 Jim Wilson <wilson@cygnus.com>
8453 * dwarf2out.c (gen_decl_die): Don't call gen_abstract_function if
8454 DECL_INITIAL (decl) == NULL_TREE.
8456 2000-07-27 Alexandre Oliva <aoliva@redhat.com>
8458 * Makefile.in (INSN_ATTR_H): New macro. Replace all dependencies
8459 on insn-attr.h with it.
8460 * genattr.c: Generate `#include "insn-addr.h"' if HAVE_ATTR_length.
8461 * insn-addr.h: New header.
8462 (insn_addresses_): Renamed from insn_addresses.
8463 (INSN_ADDRESSES_DEFN, INSN_ADDRESSES, INSN_ADDRESSES_ALLOC,
8464 INSN_ADDRESSES_FREE, INSN_ADDRESSES_SET_P, INSN_ADDRESSES_SIZE,
8465 INSN_ADDRESSES_NEW): New macros.
8466 * genattrtab.c (write_test_expr): Use new macros.
8467 * final.c (insn_addresses, init_insn_lengths): Likewise.
8468 (align_fuzz, shorten_branches): Likewise.
8469 (final): Likewise. Do not reject new insns if their addresses
8470 have been added to INSN_ADDRESSES.
8471 * config/arm/arm.c, config/avr/avr.c: Use new macros.
8472 * config/h8300/h8300.c, config/i370/i370.c: Likewise.
8473 * config/m88k/m88k.c, config/pa/pa.c, config/pa/pa.md: Likewise.
8474 * config/sparc/sparc.c, config/sparc/sparc.md: Likewise.
8475 * config/sh/sh.c: Likewise.
8476 (output_branchy_insn): Use INSN_ADDRESSES_NEW.
8478 * Makefile.in (bootstrap): Move -BstageN/ back to the beginning.
8480 2000-07-27 Andrew Cagney <cagney@b1.cygnus.com>
8482 * gcc.c (struct prefix_list): Add member priority.
8483 (enum path_prefix_priority): Declare.
8484 (add_prefix): Replace ``first'' with ``priority''. Append new
8485 entry but keep list in priority order.
8486 (process_command): Update. Pass PREFIX_PRIORITY_B_OPT or
8487 PREFIX_PRIORITY_LAST to add_prefix.
8488 (process_command): Move include kludge - foo/stageN - to before
8491 2000-07-27 Jason Merrill <jason@redhat.com>
8493 * dwarf2out.c (gen_typedef_die): Abort if we get identical
8494 TREE_TYPE and DECL_ORIGINAL_TYPE on a typedef.
8496 2000-07-27 RodneyBrown <RodneyBrown@pmsc.com>
8498 * expr.h (get_alias_set, lang_get_alias_set): Delete prototypes.
8499 * tree.h (get_alias_set, lang_get_alias_set): Prototype.
8501 2000-07-27 Joseph S. Myers <jsm28@cam.ac.uk>
8503 * c-decl.c (finish_function): Don't treat 'main' specially unless
8504 flag_hosted. In C99 mode, return 0 from 'main' unless
8505 DEFAULT_MAIN_RETURN is otherwise defined.
8507 * c-decl.c (store_parm_decls): In C99 mode, pedwarn for function
8508 parameters defaulting to int in an old-style function definition.
8510 2000-07-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8512 * c-parse.in (string): For -Wtraditional, warn about string
8513 concatenation only once per line.
8515 Thu Jul 27 09:25:17 2000 Akiko Matsushita <matusita@sra.co.jp>
8517 * pa/x-pa-hpux: Add -D_HIUX_SOURCE to FIXPROTO_DEFINES
8518 for HI-UX/WE2 systems.
8520 2000-07-24 Bruce Korb <bkorb@gnu.org>
8522 * fixincl/fixfixes.c(emit_gnu_type): rewrote to *rely* on GCC
8523 defining the __xxx_TYPE__ macros.
8524 * fixincl/fixincl.tpl(gnu_type_map): now obsolete
8525 * fixincl/fixlib.h: don't need to include "tm.h" anymore
8526 * fixincl/inclhack.def(type_map): now obsolete
8528 Thu Jul 27 11:54:17 2000 Andrew Cagney <cagney@b1.cygnus.com>
8530 * cpp.texi: Append a trailing full-stop to xrefs where needed.
8532 2000-07-26 Dave Pitts <dpitts@cozx.com>
8534 * i370.c: Remove LONGEXTERNAL ifdef from alias_number. Added hash
8536 (mvs_hash_alias): New function.
8537 (mvs_add_alias): Change argument spacing.
8538 (mvs_need_alias): Change aliasing criteria. Added documentation.
8539 (mvs_get_alias): Change to use hashed name. The hashed name prevents
8540 CSECT name collisions.
8541 (mvs_check_alias): Likewise.
8542 (handle_pragma): Change documentation.
8543 * i370.md (mulsi3, divsi3, udivsi3, modsi3, umodsi3): Changed gen_rtx
8544 mode from SImode to DImode.
8545 (iorhi3): Changed LTORG size for insn.
8547 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
8549 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
8550 mem if the address is a mode_dependent_address_p.
8552 2000-07-26 Kazu Hirata <kazu@hxi.com>
8554 * h8300.c (print_operand): Print ":8" when the 'R' operand is
8555 suitable for 8-bit absolute.
8556 * h8300.h (EIGHTBIT_CONSTANT_ADDRESS_P): New.
8557 (OK_FOR_U): Add a case for the 8-bit constant address on the
8560 Wed Jul 26 19:26:21 2000 Hans-Peter Nilsson <hp@axis.com>
8562 * varasm.c (assemble_variable) [! defined(ASM_OUTPUT_ALIGNED_COMMON)
8563 && ! defined (ASM_OUTPUT_ALIGNED_BSS]): Also test
8564 ! defined(ASM_OUTPUT_ALIGNED_DECL_COMMON) before complaining about
8565 lack of implemented alignment.
8567 2000-07-26 Geoffrey Keating <geoffk@cygnus.com>
8569 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETIC]: Handle
8570 cross-compiling between 64-bit and 32-bit machines.
8572 2000-07-27 Richard Henderson <rth@cygnus.com>
8574 * config/ia64/ia64.md (movqicc_astep, movqi_internal_astep): New.
8575 (movhicc_astep, movhi_internal_astep): New.
8576 (movsicc_astep, movsi_internal_astep): New.
8577 (movdicc_astep, movdi_internal_astep): New.
8578 (movsfcc_astep, movsf_internal_astep): New.
8579 (movdfcc_astep, movdf_internal_astep): New.
8580 (movxfcc_astep, movxf_internal_astep): New.
8581 (cmovdi_internal_astep, cmovsi_internal_astep): New.
8582 Unify the cmov[ds]i splitters.
8584 2000-07-27 Rodney Brown <RodneyBrown@pmsc.com>
8586 * real.c (asctoeg): Rename `error' label to unexpected_char_error
8588 2000-07-26 Nick Clifton <nickc@cygnus.com>
8590 * config/arm/vxarm.h (CPP_PREDEFINES): Remove definition of
8591 __arm__. Allow it to be defined by CPP_ISA_SPEC in arm.h
8593 * dwarf2out.c (dwarf2out_frame_debug_expr): Accept SEQUENCE as
8594 well as PARALLEL blocks in FRAME_RELATED_EXPR notes.
8596 2000-07-26 Alexandre Oliva <aoliva@redhat.com>
8598 * c-decl.c (finish_enum): Convert enumerations that fit in an
8600 (build_enumerator): In pedantic mode, cast to `int' those that
8603 2000-07-25 Rodney Brown <RodneyBrown@pmsc.com>
8605 * config/alpha/osf.h (SIZE_TYPE, PTRDIFF_TYPE): New.
8607 Tue Jul 25 23:08:33 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8609 * sh.md (cmpgtdi_t): Must be split.
8610 (cmpgtdi_t+1): New splitter.
8612 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
8614 * cpplib.c (_cpp_check_directive): Issue -Wtraditional
8615 warnings for indented directives even if we are skipping.
8617 2000-07-25 Nathan Sidwell <nathan@codesourcery.com>
8619 * invoke.texi (strict-prototypes): Remove.
8620 * extend.texi (Deprecated Features): Add strict-prototypes.
8621 (Backwards Compatibility): New node.
8623 2000-07-25 Jakub Jelinek <jakub@redhat.com>
8625 * config/i386/i386.md (andsi_1+1): Allow HImode.
8626 (andsi_1+2): Require q_regs_operand.
8628 2000-07-25 Jakub Jelinek <jakub@redhat.com>
8630 * config/i386/i386.md (call_pop): Check operands[0],
8631 not operands[1]. Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
8633 (call_value_pop): Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
8634 (call_value): Likewise.
8636 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
8638 * toplev.c (pipe_closed): Delete.
8639 (crash_signal): New. Generate ICE for a fatal signal.
8640 (float_signal): Call crash_signal outside a float-handler
8642 (main): Install crash_signal as handler for core-dumping signals.
8644 2000-07-25 David Edelsohn <edelsohn@gnu.org>
8646 * rs6000.c (print_operand, case 'T'): New case.
8648 * rs6000.md (call_indirect_aix32): Convert to expander of
8649 scheduled instructions.
8650 (call_indirect_aix64): Likewise.
8651 (call_value_indirect_aix{32,64}): Likewise.
8652 (call, call_value): Invoke expanders for AIX. Fall through to
8654 (call_indirect_nonlocal_aix{32,64}): New patterns (ctr and lr).
8655 (call_value_indirect_nonlocal_aix{32,64}): New patterns.
8656 (call_nonlocal_aix32): Remove CALL_LONG alternative. Operand 1
8657 only "g" constraint.
8658 (call_nonlocal_aix64): Likewise.
8659 (call_value_nonlocal_aix{32,64}): Likewise.
8660 (call_nonlocal_sysv): New pattern for ctr, lr, and symbolic
8662 (call_value_nonlocal_sysv): New pattern.
8663 (indirect_jump{si,di}): Use new 'T' modifier.
8664 (tablejump{si,di} matchers): Likewise.
8665 (return_internal_{si,di}): Likewise.
8666 (return_eh_{si,di}): Likewise.
8668 2000-07-24 Richard Henderson <rth@cygnus.com>
8670 * config/ia64/ia64.c (ia64_print_operand): Handle "%,".
8671 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): Likewise.
8672 * config/ia64/ia64.md (movdi_internal): Use it.
8674 2000-07-24 Zack Weinberg <zack@wolery.cumb.org>
8676 * cppexp.c: Warn about unary + if -Wtraditional.
8677 * cpplex.c (lex_line): Always set BOL on the first token of a line.
8679 2000-07-24 Michael Meissner <meissner@redhat.com>
8681 * d30v.h (FUNCTION_ARG_KEEP_AS_REFERENCE): Delete references to
8684 2000-07-24 Nick Clifton <nickc@cygnus.com>
8686 * config/arm/arm.c (emit_multi_reg_push): Generate a
8687 REG_FRAME_RELEATED_NOTE that is compatable with the code in
8688 dwarf2out_debug_frame_expr.
8690 2000-07-24 Jason Merrill <jason@redhat.com>
8692 * dwarf2out.c: Complain if DWARF2_DEBUGGING_INFO is defined without
8693 UNALIGNED_INT_ASM_OP.
8694 (def_cfa_1): Don't emit def_cfa_register or def_cfa_offset to adjust
8695 a location expression.
8696 (dwarf2out_frame_debug_expr): Lose cfa_old_reg stuff. Don't
8697 assume indirect access if we're saving the CFA address exactly.
8699 * Makefile.in (bootstrap): Move -BstageN/ to the end.
8701 2000-07-24 Jakub Jelinek <jakub@redhat.com>
8703 * tradcpp.c (main): Update max_include_len for cpp_include_defaults
8706 2000-07-24 Michael Meissner <meissner@redhat.com>
8708 * invoke.texi (D30V Options): Add d30v options.
8710 Mon Jul 24 02:04:52 2000 Jeffrey A Law (law@cygnus.com)
8712 * gcse.c (alloc_pre_mem): Do not alloc TRANSPOUT, it is not
8713 needed by our gcse pass anymore.
8714 (free_pre_mem): Corresponding changes.
8715 (compute_pre_data): Do not call compute_transpout anymore.
8717 * gcse.c (alloc_avail_expr_mem): Kill unused 'u_bitmap'.
8718 (free_avail_expr_mem, alloc_pre_mem, free_pre_mem): Corresponding
8721 * gcse.c (free_pre_mem): Do not free ANTLOC and AE_KILL here.
8722 (compute_pre_data): Do it here instead.
8724 * gcse.c (alloc_pre_mem, free_pre_mem): Delete unused bitmap
8726 (pre_delete): Corresponding changes.
8728 2000-07-23 Mark Mitchell <mark@codesourcery.com>
8730 * c-semantics.c (make_rtl_for_local_static): Use TREE_ASM_WRITTEN
8731 to figure out whether or not a variable has already been emitted.
8733 Sun Jul 23 14:49:12 2000 Jason Eckhardt <jle@cygnus.com>
8735 * config/i860/i860.md (untyped_call expander): Use GEN_CALL
8736 instead of gen_call.
8738 Sun Jul 23 11:52:03 2000 George Helffrich (george@gly.bris.ac.uk)
8740 * dbxout.c (dbxout_type, case COMPLEX_TYPE): Fix length field in stab.
8742 2000-07-23 Kazu Hirata <kazu@hxi.com>
8744 * h8300.c: Fix formatting.
8746 2000-07-23 Joseph S. Myers <jsm28@cam.ac.uk>
8748 * c-typeck.c (c_expand_start_case): Change -Wtraditional pedwarn
8749 for `long' switch expression into a plain warning.
8751 * c-lex.c (init_lex): Keep the "inline" keyword in C99 mode.
8752 (yylex): Don't pedwarn for "inline" in C99 mode.
8754 * bitmap.c (debug_bitmap_file): Cast pointers to PTR for printing
8756 * ggc-page.c (debug_print_page_list, alloc_page, free_page,
8757 ggc_alloc): Likewise.
8758 * bb-reorder.c (dump_scope_forest_1): Likewise.
8760 2000-07-22 Aldy Hernandez <aldyh@redhat.com>
8762 * reload.c (find_reloads_toplev): Add new parameter
8764 (find_reloads): Add new parameter to find_reloads_toplev calls.
8766 2000-07-22 Jeffrey Oldham <oldham@codesourcery.com>
8768 * collect2.c (main): Typo fixed.
8769 * diagnostic.c: Typo fixed.
8770 * dwarf2out.c (dwarf2out_frame_debug_expr): Typo fixed.
8771 * eh-common.h: Typo fixed.
8772 * emit-rtl.c (start_sequence): Typo fixed.
8773 * flow.c (find_label_refs): Typo fixed.
8774 (calculate_global_regs_live): Typo fixed.
8775 (mark_regno_cond_dead): Typo fixed.
8776 (create_edge_list): Typos fixed.
8777 (verify_edge_list): Typo fixed.
8778 * ggc-common.c (ggc_mark_rtx_children): Typo fixed.
8779 * loop.c (strength_reduce): Typo in function name fixed.
8780 * rtl.h: Added comments. Typo in function name fixed.
8781 * rtlanal.c: Typo in function name fixed.
8782 (insn_dependant_p): Rename to ...
8783 (insn_dependent_p): ... this.
8784 (computed_jumo_p): Typo fixed.
8786 2000-07-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8788 * system.h (__FUNCTION__): Wrap definition in #ifndef.
8790 2000-07-21 David Edelsohn <edelsohn@gnu.org>
8792 * rs6000.h (SIZE_TYPE): Define.
8794 2000-07-21 Mark Mitchell <mark@codesourcery.com>
8796 * ssa.c (rename_insn_1): Don't rename registers that are
8799 2000-07-21 Zack Weinberg <zack@wolery.cumb.org>
8801 * diagnostic.c (trim_filename, fancy_abort): Moved here from
8803 (fatal_function, set_fatal_function): Removed.
8804 (fatal): Don't prepare for or call the fatal_function.
8805 (diagnostic_lock, error_recursion): New.
8806 (diagnostic_for_decl, report_diagnostic): Guard against
8807 re-entering the error reporting routines.
8808 (fancy_abort): Assume function is not NULL.
8810 * errors.c (fancy_abort): New. Assume function is not NULL.
8811 * tradcpp.c (fancy_abort): Assume function is not NULL.
8813 * system.h: Provide default definition of __FUNCTION__.
8814 * rtl.h: Use __FUNCTION__ not __PRETTY_FUNCTION__ throughout.
8815 Always use __FUNCTION__ in definition of abort.
8817 * varray.h: Likewise.
8818 * toplev.h: Likewise. Don't prototype set_fatal_function.
8820 2000-07-20 Geoff Keating <geoffk@cygnus.com>
8822 * config/rs6000/aix43.h (CPP_SPEC): Define __LONG_MAX__ correctly
8824 * glimits.h: Don't do #if defined for ARCH_PPC.
8826 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): All
8827 constants of size no larger than a pointer should go in the TOC.
8828 Add 'MODE' parameter.
8829 (LEGITIMIZE_RELOAD_ADDRESS): Add MODE parameter to
8830 ASM_OUTPUT_SPECIAL_POOL_ENTRY_P.
8831 (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Likewise.
8832 * config/rs6000/aix.h (SELECT_RTX_SECTION): Likewise.
8833 * config/rs6000/netware.h (SELECT_RTX_SECTION): Likewise.
8834 * config/rs6000/rs6000.c (constant_pool_expr_1): Likewise.
8835 (rs6000_legitimize_address): Likewise.
8836 (rs6000_emit_move): Likewise.
8837 (rs6000_select_rtx_section): Likewise.
8838 (output_toc): Deal properly with outputting small constants like
8839 HImode, and SFmode in 32-bit mode, and DFmode in 64-bit mode.
8840 * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Add
8841 MODE parameter. Put small constants in the TOC.
8843 * config/rs6000/rs6000.c (easy_fp_constant_p): All constants are
8845 (rs6000_emit_move): When reload calls us with an illegitimate
8846 address, exit early. Move the change_address calls to one place
8847 at the end of the routine. Merge the SImode and DImode expanders.
8848 When called by reload to put an integer into a FP register, force
8851 * config/rs6000/rs6000.c (struct toc_hash_struct): Add 'key_mode'
8853 (rs6000_hash_constant): Hash mode too.
8854 (toc_hash_function): Allow for key_mode.
8855 (toc_hash_eq): Structures are different if key_mode differs.
8856 (output_toc): Add 'mode' parameter. Save key_mode.
8857 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY):
8858 Pass 'mode' parameter.
8859 * config/rs6000/rs6000-protos.h (output_toc): Add 'mode' param.
8861 * config/rs6000/rs6000.c (output_toc): Use RS6000_OUTPUT_BASENAME
8862 for vtable references.
8864 * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): If we have a
8865 choice, don't put integer values in FP regs.
8867 Thu Jul 20 18:13:52 2000 Jeffrey A Law (law@cygnus.com)
8869 * flow.c (verify_flow_info): Revamp code to verify that the
8870 head and end of each basic block are in the insn chain.
8872 Thu Jul 20 18:02:35 2000 Michael Matz <matzmich@cs.tu-berlin.de>
8874 * gcse.c (record_one_set): Prepend instead of append onto
8875 reg_set_table, making it O(n) instead O(n^2).
8876 * lcm.c (compute_antinout_edge,compute_laterin,compute_available):
8877 Use a queue instead of a stack as worklist.
8879 2000-07-20 Kazu Hirata <kazu@hxi.com>
8881 * h8300.c (two_insn_adds_subs_operand): Fix a typo.
8882 * h8300.h (OK_FOR_T): New.
8883 (EXTRA_CONSTRAINT): Support OK_FOR_T.
8884 * h8300.md: Use inc/dec.[wl] for increment/decrement
8885 by 1 and 2 in HI and SI modes.
8887 2000-07-20 Jim Wilson <wilson@cygnus.com>
8889 * config/ia64/ia64.h (ASM_OUTPUT_MI_THUNK): Handle DELTA values
8890 larger than 14 bits.
8892 2000-07-20 Zack Weinberg <zack@wolery.cumb.org>
8894 * cppmacro.c (CAN_PASTE_AFTER): New macro.
8895 (count_params): Don't set GNU_REST_ARGS on anything.
8896 (save_expansion): Set PASTE_LEFT only on tokens for which
8897 CAN_PASTE_AFTER is true, or which are named operators.
8899 * cpplex.c (parse_args): Distinguish between a rest argument
8900 given one empty argument, and a rest argument given zero arguments.
8901 (maybe_paste_with_next): Look for VOID_REST tag, and trigger
8902 deletion of previous token based on that.
8903 (get_raw_token): Flatten some control structure.
8905 * cpplib.h (CPP_LAST_EQ): Correct.
8906 (VOID_REST): New token flag.
8907 (GNU_REST_ARGS): Delete.
8909 * tradcpp.c (main): Don't munge -D options.
8910 (make_definition): Bring -D handling in line with cpplib.
8911 (do_define): Strip all leading whitespace from macro definitions.
8913 2000-07-20 David Billinghurst <David.Billinghurst@riotinto.com.au>
8915 * Makefile.in (tradcpp): Depend on intl.o and version.o.
8917 2000-07-20 Bruce Korb <bkorb@gnu.org>
8919 * fixincl/check.tpl: strip the platform specific types before testing
8920 * fixincl/fixfixes.c(gnu_type_fix): use platform specific types
8921 * fixincl/fixincl.tpl: use platform specific types
8922 * fixincl/fixlib.h: include the platform specific types
8923 * fixincl/inclhack.def(gnu_types): don't supply the types
8924 * fixincl/fixincl.x: regen
8926 2000-07-19 Jim Wilson <wilson@cygnus.com>
8928 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): Don't allow XFmode in
8931 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
8933 * tradcpp.c (rescan): Do not recognize directives when the #
8936 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
8938 Implement C++ named operators.
8940 * cpplib.h (TTYPE_TABLE): Move CPP_MIN and CPP_MAX into block
8941 of operators allowed in #if and having an _EQ variant. Add
8942 CPP_MIN_EQ, CPP_MAX_EQ, and CPP_DEFINED.
8943 (cpp_token flags): Add NAMED_OP.
8944 (enum node_type): Add T_OPERATOR.
8945 (struct cpp_hashnode): Add code slot to value union.
8946 * cpphash.h (spec_nodes): Remove n_defined.
8948 * cpplex.c (lex_line): Convert T_OPERATOR nodes to their proper types.
8949 (spell_token, can_paste, maybe_paste_with_next): Handle named operators.
8950 (is_macro_disabled): Tweak error messages.
8952 * cpplib.c (get_define_node): Disallow all named operators as
8953 macro names. Tweak error messages.
8954 (_cpp_init_stacks): Don't set up spec_nodes->n_defined.
8956 * cppinit.c (builtin_array): Add entries for the named operators.
8957 * cppexp.c (lex): Check for CPP_DEFINED token.
8958 (priority table): Add entries for CPP_MIN and CPP_MAX.
8959 (_cpp_parse_expr): Handle CPP_MIN and CPP_MAX.
8961 2000-07-19 Bernd Schmidt <bernds@cygnus.co.uk>
8963 * gcse.c (INSN_CUID): If ENABLE_CHECKING, abort if the uid is
8964 larger than the array of cuids.
8965 (alloc_gcse_mem): Use uid_cuid rather than INSN_CUID when computing
8968 2000-07-19 Bruce Korb <bkorb@gnu.org>
8970 * fixinc/fixincl.c: Convert to using a table of environment variables
8971 and activate the auto-edit marker on the fixed output files.
8972 * fixinc/fixlib.h: Define the environment table
8973 * fixinc/fixincl.sh: export the ${INPUT} dir
8974 * fixinc/check.tpl: likewise
8976 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
8978 * gcc.c (.h spec): Fix typo.
8980 Wed Jul 19 01:22:15 CEST 2000 Marc Espie <espie@cvs.openbsd.org>
8982 * Makefile.in: Fix tradcif.c path.
8984 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
8986 * cpplib.h (TTYPE_TABLE): Rearrange to use only two per-entry
8989 * cpphash.h (TOKEN_NAME): New macro.
8990 (_cpp_spell_operator): Deleted.
8991 (token_spellings): Now _cpp_token_spellings.
8993 * cppexp.c: Use TOKEN_NAME or TYPE_NAME, not _cpp_spell_operator.
8994 * cpplex.c: Use OP and TK macros when expanding the
8995 TTYPE_TABLE. Eliminate token_names. For non-OPERATOR tokens,
8996 store the stringification of the enumeration name (CPP_CHAR,
8997 etc.) in the name slot of token_spellings.
8998 Use TOKEN_NAME and/or TOKEN_SPELL, do not reference
8999 token_spellings directly.
9000 * cpplib.c: Use TOKEN_SPELL.
9002 * cpplex.c (_cpp_push_token): If the token being pushed back
9003 is the previous token in this context, just subtract one from
9005 * cppmacro.c (save_expansion): Clear aux field when storing a
9008 2000-07-18 Jakub Jelinek <jakub@redhat.com>
9010 * cpplex.c (cpp_scan_buffer): Output line command even at the stop
9011 buffer, provided it is not NULL.
9013 2000-07-18 Alexandre Oliva <aoliva@redhat.com>
9015 * c-decl.c (duplicate_decls): Do not call make_var_volatile() in
9016 case of invalid volatile re-declaration.
9018 2000-07-18 Jakub Jelinek <jakub@redhat.com>
9020 * calls.c (store_arg): Return non-zero if sibcall_failure is desired.
9021 (expand_call): Adjust caller.
9023 2000-07-17 Gabriel Dos Reis <gdr@codesourcery.com>
9025 * diagnostic.h (report_diagnostic): Change prototype.
9027 * diagnostic.c (output_do_verbatim, diagnostic_for_asm,
9028 diagnostic_for_decl): Change prototype.
9029 (error_with_decl, warning_with_decl, pedwarn_with_decl, warning,
9030 error, warning, error_with_file_and_line,
9031 warning_with_file_and_line, pedwarn_with_file_and_line, fatal):
9032 Adjust call to report_diagnostic, diagnostic_for_decl.
9033 (error_for_asm, warning_for_asm): Adjust call to diagnostic_for_asm.
9034 (output_verbatim, verbatim): Adjust call to output_do_verbatim.
9036 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic. End
9037 varaible argument list.
9039 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
9041 * cpphash.c: Don't include hashtab.h. Most macro-handling code
9042 moved to cppmacro.c.
9043 (hash_HASHNODE, eq_HASHNODE, _cpp_dump_macro_hash,
9044 dump_hash_helper): Delete.
9045 (expand_hash, higher_prime_number, _cpp_lookup_with_hash,
9046 cpp_forall_identifiers): New. Implement specialized version of
9047 Vlad's expandable hash table.
9048 (cpp_lookup): Use new functions.
9049 (_cpp_init_macros, _cpp_cleanup_macros): Adjust for new
9051 * cppmacro.c: New file.
9052 * cppinit.c (dump_macros_helper): New.
9053 (cpp_finish): Iterate over the identifier table directly.
9054 * cpplex.c (parse_name): Calculate the hash of the identifier
9055 while we scan it. Use _cpp_lookup_with_hash when we can.
9057 * cpphash.h: Update prototypes.
9058 (xcnewvec, HASHSTEP): New helper macros.
9059 * cpplib.h: Update prototypes.
9060 * Makefile.in (LIBCPP_OBJS): Add cppmacro.o.
9061 (cppmacro.o): New rule.
9062 (cpphash.o): Update deps.
9064 * cppmain.c: Do not set pfile->printer if no_output is on.
9066 2000-07-15 Neil Booth <neilb@earthling.net>
9068 * cpplib.c: Change all directive-handler functions to return
9070 * cpphash.h: Update typedefs.
9072 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
9074 * configure: Regenerate.
9076 * extend.texi (Extended Asm): Mention that a memory clobber
9077 does not count as a side-effect.
9079 * unroll.c (copy_loop_body): Fix one instance of using host
9080 arithmetic on the target; fixes loop-4 on a 32-bit -> 64-bit
9083 * tlink.c (scan_linker_output): Tweak for output of AIX ld.
9085 2000-07-17 Richard Henderson <rth@cygnus.com>
9087 * config/ia64/ia64.md (movdi): Split out load address code.
9088 New post-reload splitter for symbolic operands.
9089 (movdi_internal): Abort if we didn't split symbolic operands
9090 when we should have.
9091 * config/ia64/ia64.c (ia64_expand_load_address): New, from movdi bits.
9092 (ia64_reorg): Split insns when not optimizing.
9093 * config/ia64/ia64-protos.h (ia64_expand_load_address): Declare.
9095 Mon Jul 17 23:43:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
9097 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Use LONG_DOUBLE_TYPE_SIZE
9098 instead of MAX_LONG_DOUBLE_TYPE_SIZE to decide output format.
9100 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
9102 * loop.c (check_dbra_loop) : Changed loop_continue to loop->cont.
9104 2000-07-17 Jason Merrill <jason@redhat.com>
9106 * Makefile.in (clean): Remove libgcc directory.
9108 * configure.in (-Wno-long-long check): Use higher-level macros.
9110 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
9112 * simplify-rtx.c (simplify_binary_operation): Recognize
9113 (compare (gt[u] (cc) 0) (lt[u] (cc) 0)).
9114 (simplify_ternary_operation): Do not examine MODE_BITSIZE of
9115 a CONST_INT, it will always be zero.
9117 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
9119 * loop.c (check_dbra_loop) : Return if more than one condition is
9120 present to control the loop.
9122 Mon Jul 17 08:26:35 2000 Clinton Popetz <cpopetz@cygnus.com>
9124 * mips.c (mips_expand_prologue): Don't calculate the last argument
9125 register unless we need it. When we are calculating this, make
9126 sure FUNCTION_ARG is giving us a REG.
9128 2000-07-17 Stephane Carrez <Stephane.Carrez@worldnet.fr>
9130 * flow.c (libcall_dead_p): Use single_set to verify the insn
9131 has only one set and get for analysis.
9132 (propagate_one_insn): Don't pass the PATTERN of the insn.
9134 2000-07-17 Mark Klein <mklein@dis.com>
9136 * pa.c (emit_hpdiv_const): Update to match new pattern for udivsi3.
9138 2000-07-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
9140 * Makefile.in (TARGET_GETGROUPS_T): New configuration variable.
9141 * configure.in (TARGET_GETGROUPS_T): Evaluate.
9142 * sys-protos.h (getgroups): Use TARGET_GETGROUPS_T for array type
9143 of second argument of getgroups.
9144 * configure, config.in: Rebuilt.
9146 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
9148 * simplify-rtx.c (simplify_relational_operation): Two signed
9149 values with equal high words are less/greater than each other if
9150 their low words are less/greater when considered as unsigned.
9152 Mon Jul 17 02:37:06 2000 Marc Espie <espie@openbsd.org>
9154 * configure.in (vax-*-openbsd): Change to new style configuration,
9155 add collect2/float_format information.
9156 * configure: Rebuilt.
9157 * config/vax/openbsd1.h: New.
9158 * config/vax/openbsd.h: New.
9159 * config/vax/t-openbsd: New.
9161 2000-07-17 Chip Salzenberg <chip@valinux.com>
9163 * c-common.c (shorten_compare): Quiet warnings about unsigned
9164 comparisons with zero when they occur in a system header.
9166 2000-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
9168 * invoke.texi (-pedantic): Refer to ISO C instead of ANSI C, and
9169 update to describe current practice.
9171 * glimits.h (LLONG_MIN, LLONG_MAX, ULLONG_MAX): Define for C99.
9173 * contrib.texi, cpp.texi, extend.texi, invoke.texi: Update
9174 references to C9X. Change references to -fstd and -flang-isoc9x
9177 * c-common.c (scan_char_table): Allow "z" length modifiers on
9179 (check_format_info): Use TYPE_DOMAIN on the type matched against
9180 for "z" formats, to retrieve the language size_t rather than the
9183 * c-common.c (check_format_info): Do not make a pedantic objection
9184 to the 'L' length modifier if used with a floating point type
9187 * c-lex.c (yylex): Don't pedwarn for hexadecimal floating point
9188 constants in C99 mode.
9190 2000-07-17 Kazu Hirata <kazu@hxi.com>
9192 * h8300.md: Fix the format of mac.
9193 (movsi_h8300hs): Output a tab after stmac instead of a space.
9195 * h8300.c (two_insn_adds_subs_operand): Improve code for detecting
9196 profitable adds/subs sequences.
9198 * fold-const.c: Fix comment typos.
9200 2000-07-16 Laurynas Biveinis <lauras@softhome.net>
9202 * cppfiles.c (read_name_map): Set map_list_ptr->map_list_map to NULL.
9204 2000-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9206 * fixinc/fixfixes.c (emit_gnu_type): Avoid string concatenation.
9208 2000-07-16 Neil Booth <NeilB@earthling.net>
9210 * cpplex.c: Update comments.
9211 * README.Portability: Small update.
9213 2000-07-16 Neil Booth <NeilB@earthling.net>
9215 * README.Portability: Small update.
9217 2000-07-15 Richard Henderson <rth@cygnus.com>
9219 * config/ia64/ia64-protos.h (ia64_move_ok): Prototype.
9220 * config/ia64/ia64.c (ia64_move_ok): New function.
9221 * config/ia64/ia64.md (movqi, movqi_internal): Use it.
9222 (movhi, movsi, movdi, movsf, movdf, movxf): Likewise.
9224 2000-07-15 Zack Weinberg <zack@wolery.cumb.org>
9226 * cpphash.c (save_expansion): Clear PREV_WHITE on tokens
9227 immediately following a paste operator.
9228 * cppinit.c (sort_options): New function (only for HOST_EBCDIC).
9229 (cpp_reader_init): Call it, if HOST_EBCDIC.
9230 (cpp_handle_options): Do not sort option list here.
9231 (handle_option): Rename to cpp_handle_option and export.
9232 * cpplex.c (cpp_scan_buffer_nooutput, cpp_scan_buffer): Use
9233 _cpp_get_token directly.
9234 (cpp_scan_line): Return 0 at EOF, 1 otherwise.
9235 * cpplib.c (cpp_push_buffer): Don't set new->lineno to 1.
9236 * cpplib.h: Prototype cpp_handle_option. Update prototype of
9239 2000-07-15 Richard Henderson <rth@cygnus.com>
9241 * fold-const.c (extract_muldiv): Don't optimize past an unsigned
9242 cast around an expression. Tidy other unsigned tests.
9244 2000-07-15 Gabriel Dos Reis <gdr@codesourcery.com>
9246 * diagnostic.c (doing_line_wrapping, line_wrapper_printf, notice,
9247 v_error_with_decl, v_warning_with_decl, v_pedwarn_with_decl): Remove.
9248 (v_message_with_decl): Rename to ...
9249 (format_with_decl): ... this. Tweak
9250 (diagnostic_for_decl): New function.
9251 (fatal_io_error): Use verbatim in lieu of notice.
9252 (announce_function): Use verbatim.
9253 (default_print_error_function): Likewise.
9254 (error_with_decl, warning_with_decl, pedwarn_with_decl): Use new
9257 2000-07-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9259 * mips.c (function_arg_pass_by_reference): Don't do automatic
9260 aggregate initialization.
9261 (machine_dependent_reorg): Initialize variable `mode'.
9263 * mips.md (absdi2): Change variable `regno1' to unsigned int.
9264 (reload_indi): Rename loword/hiword to lo_word/hi_word to avoid
9265 conflicts with sys/param.h macro of the same name.
9266 (reload_outdi): Likewise.
9268 2000-07-15 Michael Meissner <meissner@redhat.com>
9270 * fold-const.c (fold): When optimizing FOO++ == CONST into ++FOO
9271 == CONST + INCREMENT, don't overwrite the tree node for FOO++,
9272 create a new node instead.
9274 2000-07-15 Neil Booth <NeilB@earthling.net>
9276 * README.Portability: Correct example about calling a function
9277 through a pointer to function. Format wide paragraphs.
9279 2000-07-15 Michael Meissner <meissner@redhat.com>
9281 * README.Portability: Update integer suffixes and function
9284 2000-07-15 Neil Booth <NeilB@earthling.net>
9286 * README.Portability: Small update.
9288 2000-07-15 Neil Booth <NeilB@earthling.net>
9290 * README.Portability: New file.
9292 Fri Jul 14 18:13:53 2000 Mark P Mitchell <mark@codesourcery.com>
9294 * INSTALL: Give special instructions for building GCC on Irix 6.
9295 * config/mips/x-iris6 (CC): Don't set it.
9298 2000-07-14 Jason Merrill <jason@redhat.com>
9300 * dwarf2out.c (dwarf2out_frame_debug_expr): If we store the CFA
9301 register in the stack and later in another register, use the new
9304 Fri Jul 14 10:25:53 2000 Clinton Popetz <cpopetz@cygnus.com>
9306 * config/mips/mips.md: (absdi2): Handle sign_extend for
9309 2000-07-14 Nathan Sidwell <nathan@codesourcery.com>
9311 * cpplib.c (do_pragma_dependency): Tidy warning messages.
9313 2000-07-14 Zack Weinberg <zack@wolery.cumb.org>
9315 * .cvsignore: Correct typo.
9317 2000-07-13 Mark Mitchell <mark@codesourcery.com>
9319 * .cvsignore: Add generated YACC files.
9320 * objc/.cvsignore: New file.
9322 2000-07-14 Neil Booth <NeilB@earthling.net>
9324 * cpplex.c (adjust_column): New funcion.
9325 (skip_whitespace): Use it.
9326 (skip_block_comment): Use it, and warn about /*/* with
9329 2000-07-14 Neil Booth <NeilB@earthling.net>
9331 * cpphash.c (struct macro_info): Add new members.
9332 (_cpp_free_definition): Delete the macro directly.
9333 (count_params): Return void, with first token of
9334 expansion in struct macro_info on success.
9335 (parse_define): Return int. Hoist syntax checking from
9336 save_macro_expansion. Leave call to save_expansion to
9337 _cpp_create_definition.
9338 (alloc_macro): Needs just 2 arguments.
9339 (free_macro): Delete.
9340 (save_expansion): Don't perform syntax check.
9341 (_cpp_create_definition): Call save_expansion.
9343 2000-07-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9345 * genrecog.c (write_header): Split long string.
9347 * cpphash.c (macro_info): Don't use the `signed' keyword.
9349 * system.h (alloca): Prototype if __GNUC__ && __SIZE_TYPE__.
9351 2000-07-13 Jakub Jelinek <jakub@redhat.com>
9353 * calls.c (stored_args_map): New variable.
9354 (check_sibcall_argument_overlap_1): New.
9355 (check_sibcall_argument_overlap): New.
9356 (expand_call): Initialize stored_args_map.
9357 Call check_sibcall_argument_overlap.
9359 2000-07-13 Bruce Korb <bkorb@gnu.org>
9361 * fixinc/fixfixes.c: move EXIT_BROKEN to header, add sub-expr max count
9362 (emit_gnu_type): utility procedure for gnu_type_fix
9363 (gnu_type_fix): implement various pre-processor guards around
9364 standard types so these types can be defined over and over
9365 * fixinc/fixincl.tpl: add a "gnu_type_map" that forces the standard
9366 types alluded to above will have GNU-compliant base types
9367 * fixinc/fixlib.h: add EXIT_BROKEN define and the gnu_type_map struct
9368 * fixinc/inclhack.def: add test_text entries and utilize the new
9369 "gnu_types" fix for the ptrdiff_t, size_t and wchar_t types.
9370 * fixinc/fixincl.x: regenerate
9372 2000-07-12 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
9374 * diagnostic.c (vline_wrapper_message_with_location,
9375 v_message_with_file_and_line, v_error_with_file_and_file,
9376 v_error_for_asm, v_warning_for_asm, vfatal,
9377 v_warning_with_file_and_line, v_pedwarn_with_file_and_line,
9378 vsorry, verror, vwarning, vpedwarn): Remove.
9379 (diagnostic_for_asm): New function.
9380 (pedwarn, error, warning, pedwarn_with_file_and_line,
9381 error_with_file_and_line, warning_with_file_and_line, sorry,
9382 error_for_asm, warning_for_asm, fatal): Reimplement.
9383 (finish_diagnostic): Clear diagnostic info as well.
9385 2000-07-13 Neil Booth <NeilB@earthling.net>
9387 * c-common.h (flag_digraphs): New.
9388 * c-decl.c (c_decode_option): Set flag_digraphs as appropriate.
9389 * c-lex.c (yylex): Use flag_digraphs to decide whether to
9392 2000-07-13 Zack Weinberg <zack@wolery.cumb.org>
9394 * gcc.c (do_spec_1): Add new %B operator.
9395 (set_input): Prepare for %B.
9397 (link_command_spec): Move up with the other tm.h-
9398 overrideable specs. Factor out the portion conditional on
9399 LINK_LIBGCC_SPECIAL into a new spec, %(link_libgcc).
9400 (struct compiler): Just have a single spec string. All users
9402 (default_compilers): Remove unnecessary braces.
9403 (static_specs): Update.
9405 (trad_capable_cpp, cpp_options, cc1_options, asm_options): New
9407 (C and assembly specs): Use the new named specs, as appropriate.
9409 * objc/lang-specs.h: Use the new named specs.
9410 Remove unnecessary braces.
9412 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
9414 * gcc.c (execute): If a subprocess gets a fatal signal, report
9415 strsignal() of the signal number, and ask for a bug report.
9416 Do not do this for SIGPIPE if there's already been an error.
9418 * tradcpp.c: Don't include signal.h. Don't catch SIGPIPE.
9421 * tradcif.c: Remove.
9423 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
9425 * final.c (profile_function): Do not emit profile counters in
9426 the data section, if NO_PROFILE_COUNTERS is defined.
9427 * tm.texi: Document NO_PROFILE_COUNTERS. Update doc for
9430 * config/i386/linux.h (NO_PROFILE_COUNTERS): Define.
9431 (FUNCTION_PROFILER): Just emit a call to mcount.
9433 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
9435 * tradcpp.c (main): Rename 'perror' label to 'sys_error'.
9437 * cppexp.c, cpphash.c, cpphash.h, cppinit.c, cpplex.c,
9438 cpplib.c, cpplib.h: Eradicate all traces of code dependent on
9439 traditional, lang_chill, or lang_fortran.
9441 * cppfiles.c: #undef strcmp to suppress warning about macros
9442 used without arguments.
9443 (_cpp_execute_include): Use f, not fname, in "No include path"
9445 (_cpp_pop_file_buffer): New function.
9446 * cpplib.c: Don't include <sys/mman.h>.
9447 (cpp_push_buffer): Set line_base and lineno in new buffer.
9448 (cpp_pop_buffer): Use _cpp_pop_file_buffer.
9450 * cpplex.c: Move all prototypes and structure declarations to the
9451 top of the file. Properly parenthesise some macro arguments.
9452 (cpp_scan_line): New function.
9453 (special_symbol [case T_INCLUDE_DEPTH]): Use pfile->include_depth,
9454 don't need to walk up the stack counting.
9456 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9458 * c-common.c (combine_strings): Emit a pedantic warning when a
9459 string length is greater than the minimum ANSI C is required
9462 Wed Jul 12 13:24:30 2000 Jeffrey A Law (law@cygnus.com)
9464 * pa/xm-pa64.h (NO_SYS_SIGLIST): Kill.
9465 * d30v/xm-d30v.h (NO_SYS_SIGLIST): Kill.
9467 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9469 * c-decl.c (define_label): Warn about identifier conflicts with
9470 labels in traditional C.
9472 * c-parse.in (unop +): Warn about the unary plus operator for
9475 * c-typeck.c (store_init_value): Warn about automatic aggregate
9476 initialization for traditional C.
9478 * invoke.texi (-Wtraditional): Document new warnings.
9480 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
9482 * Makefile.in (c-errors.o): Fix thinko in dependency.
9484 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
9486 * gcc.c (C specs [!USE_CPPLIB]): Invoke tradcpp if any of
9487 -traditional, -ftraditional, or -traditional-cpp was given.
9488 Do not pass -traditional to the preprocessor.
9489 (.S spec): Likewise. Don't bother defining __ASSEMBLER__, the
9490 preprocessor does it automatically.
9491 * objc/lang-specs.h: Likewise. Don't bother defining __OBJC__.
9493 * ch/lang-specs.h: Always use tradcpp. Do not pass
9494 -traditional, -trigraphs, or -pedantic to the preprocessor.
9495 * f/lang-specs.h (.F spec): Likewise. Don't bother defining
9498 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
9500 * cppexp.c (LOGICAL): Delete macro.
9501 (_cpp_parse_expr): Do not use UNARY for unary +. Implement ||
9504 * cpphash.c (HASHSIZE): Increase to 4096.
9505 (struct hashdummy): Add hash field.
9506 (eq_HASHNODE): Compare unreduced hashes, then lengths, then
9507 the string values using memcmp.
9508 (cpp_lookup): Set dummy.hash.
9510 Wed Jul 12 13:15:16 2000 Marc Espie <espie@openbsd.org>
9512 * configure.in (m88k-openbsd): Express configuration using new fragment
9514 * configure: Rebuilt.
9515 * m88k/aout-dbx.h: New.
9516 * m88k/openbsd.h: New.
9517 * m88k/xm-openbsd.h: New.
9519 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9521 * expr.c (expand_expr): Return const0_rtx, not error_mark_node.
9523 2000-07-12 Richard Henderson <rth@cygnus.com>
9525 * reload.c (push_secondary_reload): Make sure to add the new
9526 reload at the end, after acquiring secondary memory.
9528 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9530 * cpplex.c (is_macro_disabled): Use CPP_WTRADITIONAL.
9532 * c-decl.c (set_current_function_name_declared, anon_aggr_type_p,
9533 lang_expand_stmt): Mark parameters with ATTRIBUTE_UNUSED.
9535 * c-parse.in (stmt): Delete unused variables.
9537 * convert.c (convert_to_vector): Likewise.
9539 * gensupport.c (process_rtx): Declare attr as `rtvec' not `rtx'.
9541 * tree.c (finish_vector_type): Prototype.
9543 2000-07-12 Bruce Korb <bkorb@gnu.org>
9545 * fixinc/fixfixes.c: use xmalloc
9546 * fixinc/fixincl.c(initialize): set program name for xmalloc
9547 * fixinc/fixlib.c(must_malloc): obsolete
9548 (is_cxx_header): no longer used - disabled
9549 (skip_quote): inserted and disabled for future use
9550 * fixinc/fixlib.h: reflects above
9551 * fixinc/fixtests.c: removed dinkleberries
9553 2000-07-12 Neil Booth <NeilB@earthling.net>
9555 * cpphash.h: (TOKEN_SPELL) Pulled from cpplex.c.
9556 * cpplex.c (TOKEN_SPELL) Move to cpphash.h.
9558 * cpphash.c: (struct macro_info, alloc_macro, free_macro,
9559 struct toklist_dummy): New.
9560 (cpp_free_definition): Free macros with free_macro.
9561 (count_params): Don't save paramter spellings. Save macro
9562 information in a struct macro_info.
9563 (parse_define): Don't allocate a token list.
9564 (save_expansion): Allocate the macro's token list, and
9565 save parameter spellings if necessary. Use TOKEN_SPELL.
9566 (cpp_create_definition): Make list const.
9568 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
9570 * c-typeck.c (pedwarn_c99): Move to
9571 * c-errors.c: ... Here.
9572 * toplev.h (verror, vwarning, vpedwarn): Remove prototypes.
9573 * diagnostic.c (verror, vwarning, vpedwarn): Make static.
9574 * Makefile.in (C_AND_OBJC_OBJS): Include c-errors.o
9575 (c-errors.o): List dependency.
9577 2000-07-12 Mark Mitchell <mark@codesourcery.com>
9579 * c-parse.c: Remove.
9580 * c-parse.h: Likewise.
9581 * c-parse.y: Likewise.
9582 * objc/objc-parse.c: Likewise.
9583 * objc/objc-pasre.y: Likewise.
9585 2000-07-11 Rodney Brown <RodneyBrown@pmsc.com>
9587 * gcc.texi: Fix minor typos
9588 * extend.texi: Fix minor typos
9590 2000-07-11 Marc Espie <espie@openbsd.org>
9592 * collect2.c (main): Recognize .lo as object files.
9594 2000-07-11 J. David Anglin <dave@hiauly1.hia.nrc.ca>
9596 * pa.c (hppa_encode_label): Store labels in gc memory when ggc_p is
9599 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Extend test to detect systems
9600 with MAP_ANONYMOUS and MAP_ANON.
9601 * configure, config.in: Rebuilt.
9603 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
9605 * diagnostic.c (save_output_state): Remove.
9606 (restore_output_state): Likewise.
9607 (clear_text_info): New function.
9608 (clear_diagnostic_info): Likewise.
9609 (output_text_length, is_starting_newline, output_prefix,
9610 line_wrap_cutoff, ideal_line_wrap_cutoff, prefix_was_emitted_for,
9611 prefixing_policy, output_buffer_ptr_to_format_args): New macros
9612 (set_real_maximum_length, output_set_maximum_length,
9613 output_set_prefix, output_get_prefix, output_set_maximum_length,
9614 output_destroy_prefix, init_output_buffer,
9615 reshape_diagnostic_buffer, output_space_left, output_emit_prefix,
9616 output_add_newline, output_add_character, output_add_space,
9617 output_append_r, output_append, wrap_text, output_format,
9618 output_do_printf, output_printf, output_do_verbatim,
9619 output_verbatim, verbatim): Use them.
9620 (output_clear): Split into cleat_text_info and
9621 clear_diagnostic_info.
9622 (struct output_state): Move to...
9624 * diagnostic.h: ...Here
9625 (struct output_buffer): Adjust.
9627 2000-07-11 Zack Weinberg <zack@wolery.cumb.org>
9629 * cpplex.c (parse_name): No longer inline (premature optimization).
9630 (do_pop_context): Fold into pop_context.
9631 (pop_context): Returns int.
9632 (lex_next): Hoist test for end of directive into pop_context.
9633 (push_macro_context): Returns int; takes just reader and token.
9634 Hoist test for excessive nesting to caller.
9635 (push_arg_context): Returns void; takes just reader and token.
9636 Do not call stringify_arg or get_raw_token.
9637 (get_raw_token): Convert tail recursion through push_arg_context
9638 to a loop at this level. Call stringify_arg here if appropriate.
9639 (maybe_paste_with_next): Convert tail recursion to a while loop.
9640 Hoist test of paste_level to caller.
9642 (stringify_arg): Push arg context at beginning.
9643 (cpp_get_token): Split out core into _cpp_get_token. Call
9644 process_directive here. Throw away CPP_PLACEMARKER tokens.
9645 (_cpp_get_token): Convert tail recursion through
9646 push_macro_context to a loop at this level.
9647 (_cpp_glue_header_name, is_macro_disabled, stringify_arg,
9648 _cpp_get_raw_token): Use _cpp_get_token.
9649 (_cpp_skip_rest_of_line): Drop the context stack directly; do
9650 not call pop_context.
9651 (_cpp_run_directive): Call lex_next directly.
9653 * cpphash.h: Prototype _cpp_get_token.
9654 * cppexp.c (lex): Use it.
9655 * cpphash.c (parse_define): Use it.
9656 * cpplib.c (get_define_node, do_undef, parse_include,
9657 read_line_number, do_line, do_ident, do_pragma, do_pragma_gcc,
9658 do_pragma_implementation, do_pragma_poison, do_pragma_dependency,
9659 parse_ifdef, validate_else): Use it.
9660 (cpp_push_buffer): Tweak error message; abort if anyone tries
9661 to push a buffer while macro expansions are stacked.
9663 2000-07-11 Donn Terry <donnte@microsoft.com>
9665 * cpplex.c (free_macro_args, save_token): Cast arg of free
9666 and/or xrealloc to PTR.
9667 (_cpp_init_input_buffer): Clear all fields of the base context.
9669 Tue Jul 11 15:28:21 CDT 2000 Clinton Popetz <cpopetz@cygnus.com>
9671 * gensupport.c (process_rtx): Make rtl checking stop
9672 complaining about the define_insn while it is being
9673 converted from a define_insn_and_split.
9675 Tue Jul 11 16:26:17 2000 Clinton Popetz <cpopetz@cygnus.com>
9677 * config/mips/mips.c (simple_memory_operand): Access the
9678 INTVAL of the address, not it's containing MEM.
9680 2000-07-11 Bruce Korb <bkorb@gnu.org>
9682 * fixinc/fixtests.c(double_slash): obsolete
9683 (else_endif_label): likewise
9684 * fixinc/inclhack.def(irix_multiline_cmnt): obsolete
9685 (libc1_ifdefd_memx): correct initial comment
9686 and omit the #if/#endif pair from the memxxx declarations
9687 * fixinc/fixincl.x: regen
9689 2000-07-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9691 * cpplex.c (T, I, S, C, N): Avoid non-constant initializers.
9693 2000-07-11 Neil Booth <NeilB@earthling.net>
9697 2000-07-11 Neil Booth <NeilB@earthling.net>
9699 * cppinit.c: (cpp_reader_init): Allow digraphs by default.
9700 (handle_option): Set digraphs according to standard.
9701 Merge OPT_lang_c89 handler with OPT_std_c89.
9703 * cpplex.c: (lex_line, can_paste): Honour digraphs in
9704 accordance with the digraphs flag.
9706 * cpplib.h: (struct cpp_options): New option digraphs.
9708 2000-07-10 Hans-Peter Nilsson <hp@axis.com>
9709 Bruce Korb <bkorb@gnu.org>
9711 * fixinc/inclhack.def (libc1_ifdefd_memx): New fix.
9712 * fixinc/fixincl.x: Regenerate.
9713 * fixinc/tests/base/testing.h: Add testcase.
9715 2000-07-10 Richard Henderson <rth@cygnus.com>
9717 * config/ia64/ia64.c (got_symbolic_operand): New.
9718 (symbolic_operand, move_operand): Revert 0701 change.
9719 * config/ia64/ia64.h (PREDICATE_CODES): Update.
9720 * config/ia64/ia64-protos.h (got_symbolic_operand): Declare.
9721 * config/ia64/ia64.md (movdi): Revert 0701 wrt symbolic_operand;
9722 split the offset into a 14-bit low part instead of a 13-bit low part.
9723 (load_fptr): Mark the mem as unchanging.
9724 (load_symptr): Use got_symbolic_operand.
9726 2000-07-10 Nick Clifton <nickc@cygnus.com>
9728 * libgcc2.c (next_stack_level): Cast result of computation to
9729 (void **) so that the assignment does not generate a warning.
9731 2000-07-10 Chandrakala Chavva <cchavva@redhat.com>
9733 * flags.h : Add new variable flag_single_precision_constant.
9734 * toplev.c (display_help) : Add -fsingle-precision-constant option.
9735 (flag_single_precision_constant): New.
9736 * c-lex.c (yylex): Convert floating point constant to single
9738 * invoke.texi : Add documentation for this new option.
9740 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
9742 * diagnostic.c (output_octal): Second parameter is unsigned.
9743 (output_long_octal): Likewise.
9744 (output_hexadecimal): Likewise.
9745 (output_long_hexadecimal): Likewise.
9746 (output_format): Adjust arguments extraction. Tweak.
9747 (output_verbatim, verbatim): End variable argument list.
9748 (report_diagnostic): Improve documentation.
9750 2000-07-10 Benjamin Chelf <chelf@codesourcery.com>
9752 * c-common.h (build_stmt): Declare.
9753 (build_continue_stmt): Likewise.
9754 (build_break_stmt): Likewise.
9755 (build_return_stmt): Likewise.
9757 * c-decl.c (do_case): Rewrite to do what previously done in
9760 * c-semantics.c (build_stmt): Define.
9761 (build_return_stmt): Likewise.
9762 (build_break_stmt): Likewise.
9763 (build_continue_stmt): Likewise.
9764 (build_case_label): Likewise.
9766 * c-parse.in (BREAK): Change to build tree, then generate RTL.
9767 (CONTINUE): Likewise.
9770 (DEFAULT): Likewise.
9772 * c-parse.y: Regenerate.
9773 * c-pasre.c: Likewise.
9775 2000-07-09 Jason Merrill <jason@redhat.com>
9777 * expr.c (expand_expr): Bail earlier if we get an error_mark_node.
9779 * tree.h (STRIP_NOPS): Check for error_mark_node.
9780 (STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Likewise.
9781 (dwarf2out_*): Remove duplicate declarations.
9783 * c-decl.c (duplicate_decls): Copy DECL_ABSTRACT_ORIGIN from
9784 DECL_ABSTRACT_ORIGIN, not DECL_ORIGIN.
9786 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
9788 * diagnostic.c (wrap_text): New function.
9789 (maybe_wrap_text): Likewise.
9790 (output_add_string): Use it.
9791 (output_format): Likewise.
9792 (count_error): Use verbatim instead of notice.
9793 (report_error_function): Likewise. Don't use plain fprintf.
9794 (finish_diagnostic): New function.
9795 (output_do_verbatim): Tweak. Commonalize functionalities in
9796 output_verbatim and verbatim.
9797 (output_verbatim): Adjust.
9798 (verbatim): Likewise.
9799 (report_diagnostic): Define.
9801 * diagnostic.h (report_diagnostic): Prototype.
9803 2000-07-09 Zack Weinberg <zack@wolery.cumb.org>
9805 * cppexp.c (_cpp_parse_expr): Don't use unary plus.
9807 2000-07-09 Neil Booth <NeilB@earthling.net>
9809 * cpphash.h: ISvspace, is_vspace, is_nvspace: New.
9810 IShspace, ISspace: Update.
9812 * cppinit.c: ISTABLE: Update.
9815 * cpplex.c (IS_HSPACE, S_NEWLINE): Remove.
9816 (IS_DIRECTIVE): Rename KNOWN_DIRECTIVE.
9817 (skip_block_comment, skip_line_comment, parse_string,
9818 lex_line): Use is_vspace rather than IS_NEWLINE.
9819 (skip_whitespace, lex_line): Clean up to use is_nvspace.
9820 (lex_line): Use KNOWN_DIRECTIVE. Any kind of directive
9822 (lex_next): Unconditionally stop if within a directive.
9823 Treat directives within macro invocations as directives
9824 (after parse_args emits error), not as the argument.
9826 2000-07-09 Gabriel Dos Reis <gdr@codesourcery.com>
9828 * diagnostic.c (diagnostic_args): New macro.
9829 (diagnostic_msg): Likewise.
9830 (output_formatted_integer): Likewise.
9831 (output_state): New data type.
9832 (digit_buffer): Make global.
9833 (output_add_integer): Rename to output_decimal. Squeeze
9835 (output_long_decimal, output_unsigned_decimal,
9836 output_long_unsigned_decimal, output_octal, output_long_octal,
9837 output_hexadecimal, output_long_hexadecimal): New functions.
9838 (output_append_r): New function.
9839 (output_append): Tweak.
9840 (output_flush_on): Rename to output_to_stream.
9841 (output_format): Change prototype. Improve documentation. Handle
9842 more format specifiers.
9843 (build_location_prefix): Rename to context_as_prefix.
9844 (output_notice): Rename to output_do_printf.
9845 (output_printf): Tweak.
9846 (line_wrapper_printf): Likewise.
9847 (vline_wrapper_message_with_location): Adjust call to renamed
9849 (v_message_with_decl): Likewise.
9850 (default_print_error_function): Likewise.
9851 (save_output_state): New function.
9852 (restore_output_state): Likewise.
9853 (output_do_verbatim): Likewise.
9854 (output_verbatim): Define.
9855 (verbatim): Likewise.
9857 * diagnostic.h (printer_fn): Change return type from void to int.
9858 Improve documentation.
9859 (output_add_integer): Rename to output_decimal.
9860 (output_flush_on, output_format): Don't export.
9861 (output_verbatim, verbatim): Declare.
9863 2000-07-08 Toon Moene <toon@moene.indiv.nluug.nl>
9865 * fold-const.c (extract_muldiv) case PLUS_EXPR, MINUS_EXPR:
9866 Check whether c divides op1 exactly if operation is not
9869 2000-07-08 Richard Henderson <rth@cygnus.com>
9871 * final.c (final): Do not abort when reg-stack introduces
9874 2000-07-08 Zack Weinberg <zack@wolery.cumb.org>
9876 * cpplib.h (struct cpp_name): Now struct cpp_string.
9877 (CPP_INT, CPP_FLOAT, CPP_NUMBER, CPP_COMMENT,
9878 CPP_HEADER_NAME): Change to type S.
9879 (struct cpp_token): Rename 'name' field to 'str'. Add 'node'
9880 field, a cpp_hashnode *. All references to val.name updated
9881 to use val.str or val.node as appropriate.
9882 (struct cpp_reader): Add spec_nodes field.
9883 (cpp_idcmp): Now cpp_ideq; takes a token * and a char *.
9885 * cpphash.h (struct spec_nodes): New.
9886 (enum spell_type): Reorder. Only SPELL_STRING tokens use
9887 val.str. All references to 'spelling > SPELL_NONE' updated to
9890 (CPP_IN_SYSTEM_HEADER): Check pfile->buffer and
9891 pfile->buffer->inc are not NULL before dereferencing them.
9893 * cpplex.c (parse_name): Take a pointer to the current token,
9894 plus current position and limit as args; return the new
9895 position; don't copy the text of a name into the string
9896 buffer, instead call cpp_lookup and store the node pointer.
9897 If extending a token, copy out the text of the old into a
9898 scratch buffer, append the new, look that up and store the new
9899 node pointer. Inline.
9900 (maybe_paste_with_next): If the result of paste is a NAME,
9901 then look up the pasted text and store its node pointer.
9902 (lex_line): Adjust for new parse_name interface.
9903 Check for L"str", L'str' using spec_nodes->n_L.
9904 (spell_token): SPELL_IDENT tokens have their spelling in
9905 val.node->name. Handle SPELL_STRING tokens that don't have
9907 (_cpp_expand_name_space,
9908 (can_paste): Check for L ## "str" using spec_nodes->n_L.
9909 (cpp_get_token, special_symbol): No need to call cpp_lookup.
9910 (cpp_idcmp): Now cpp_ideq; take a token * and a const char *;
9911 return 1=equal 0=not, not a tristate.
9913 * cpphash.c (var_args_str): Delete.
9914 (find_param): Compare node fields directly.
9915 (is__va_args__): Use CPP_PEDANTIC. Just compare
9916 token->val.node with spec_nodes->n__VA_ARGS__.
9917 (dump_funlike_macro): Don't use var_args_str.
9919 * cpplib.c (_cpp_check_directive): Just walk through
9920 spec_nodes->dirs comparing pointers.
9921 (get_define_node, do_pragma_poison, detect_if_not_defined,
9922 parse_ifdef): The identifier has already been looked up.
9923 (do_ifdef, do_ifndef): parse_ifdef won't return a poisoned
9925 (do_if): Only call detect_if_not_defined at beginning of file.
9926 (_cpp_parse_assertion): Only copy string pointers for
9927 SPELL_STRING tokens.
9928 (pragma_dispatch): Take a node pointer and examine its name
9930 (_cpp_init_stacks): Also initialize the spec_nodes structure.
9932 * cppinit.c (cpp_reader_init): Call _cpp_init_stacks after
9934 (cpp_cleanup): Free pfile->spec_nodes. Call _cpp_cleanup_* in
9935 reverse order from the corresponding _cpp_init_* routines.
9937 * cppexp.c (parse_number, parse_charconst, parse_defined,
9938 lex): Check val.node->type instead of calling cpp_defined.
9939 Use spec_nodes entries where appropriate.
9941 * fix-header.c, scan-decls.c: Update for interface changes.
9943 2000-07-08 Geoffrey Keating <geoffk@cygnus.com>
9945 * config/rs6000/rs6000.c (rs6000_emit_move): Fix conditions for
9946 emitting aux_truncdfsf2.
9948 2000-07-03 Donn Terry (donnte@microsoft.com)
9950 * cppinit.c (print_help): split overlong line into ISO C89
9953 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
9955 * cppexp.c: Update all code for new lexer interface.
9956 (op_t, operator codes, struct token, tokentab2, op_to_str): Remove.
9957 (struct suffix, vsuf_1, vsuf_2, vsuf_3, op_to_prio): New.
9958 * cpplex.c (token_names): Trim leading CPP_ from names; make
9959 the strings unsigned.
9960 (_cpp_spell_operator): New.
9961 (is_macro_disabled): Disable all macros if rescanning
9963 (_cpp_get_directive_token): Remove.
9965 * cppinit.c: Don't set no_macro_expand.
9966 * cpplib.c (read_line_number, do_line): Check only for EOF,
9968 * cpphash.h: Update prototypes.
9969 * cpplib.h (CPP_VSPACE): Remove.
9970 (struct cpp_reader): Remove no_macro_expand.
9972 2000-07-08 Neil Booth <NeilB@earthling.net>
9974 * cpphash.c (is__va_args__): New function.
9975 (count_params): Fix line reported in error messages. Use
9976 is__va_args__. Don't return ')' on error. Flag GNU style
9977 rest args macro definitions.
9978 (parse_define): Check macro name is not __VA_ARGS__.
9979 (save_expansion): Check identifier in non-varargs-macro is
9980 not __VA_ARGS__. Don't flag GNU_VARARGS.
9981 * cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS.
9982 (maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather
9983 than per-token GNU_VARARGS.
9984 * cpplib.h (GNU_VARARGS): Remove.
9985 (GNU_REST_ARGS): New.
9987 Sat Jul 8 01:38:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
9989 * i386.md (call_pop, call, call_value_pop): Do not set
9990 current_function_uses_pic_offset_table for calls to static
9991 functions or indirect calls.
9993 2000-07-07 Jim Wilson <wilson@cygnus.com>
9995 * config/ia64/ia64.c (rws_access_reg): New local write_count. If
9996 is_predicate_reg, then take max write_count of register pair.
9998 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10000 * tradcpp.c (main): Rename label `include' to `add_include' to
10001 avoid conflicts with variable `include' in traditional C.
10003 2000-07-07 Jakub Jelinek <jakub@redhat.com>
10005 * integrate.c (copy_insn_list): Remove REG_LABEL notes.
10007 2000-07-07 Jakub Jelinek <jakub@redhat.com>
10009 * sibcall.c (uses_addressof): Add INMEM argument, check for
10010 current_function_internal_arg_pointer outside of MEM rtxs in addition
10012 (sequence_uses_addressof): Update caller.
10014 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
10016 * tradcpp.c (initialize_builtins): Honor NO_BUILTIN_SIZE_TYPE
10019 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10021 * system.h (UNION_INIT_ZERO): New macro for initializing union
10022 members in structs.
10024 * cpplex.c (placemarker_token, eof_token): Use UNION_INIT_ZERO.
10026 2000-07-07 Neil Booth <NeilB@earthling.net>
10028 * cpp.texi: Update.
10030 Fri Jul 7 07:47:35 2000 Jeffrey A Law (law@cygnus.com)
10032 * final.c (final): Detect out of bounds array access to
10033 the insn_lengths array.
10035 2000-07-07 Kazu Hirata <kazu@hxi.com>
10037 * fold-const.c (fold): Fix a comment typo.
10039 2000-07-07 Neil Booth <NeilB@earthling.net>
10041 * cpp.texi: Update to new lexer.
10043 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
10045 * tradcpp.c: New file.
10046 * tradcif.y: New file.
10047 * tradcif.c: New generated file.
10049 * Makefile.in: Add rules to build tradcpp.o, tradcif.o,
10050 $(srcdir)/tradcif.c. Add tradcpp to STAGESTUFF and
10051 dependencies of C. Install tradcpp from install-common, in
10054 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
10056 * cppinit.c: Include cppdefault.h. Refer to
10057 cpp_GCC_INCLUDE_DIR and cpp_GCC_INCLUDE_DIR_len, not directly
10058 to GCC_INCLUDE_DIR and its length.
10059 (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
10060 USER_LABEL_PREFIX, REGISTER_PREFIX, struct default_include,
10061 STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT): Move to
10063 (include_defaults_array): Move to cppdefault.c.
10065 * cppdefault.h: New file.
10066 * cppdefault.c: New file.
10068 * Makefile.in (LIBCPP_OBJS): Add cppdefault.o.
10069 (cppinit.o): Don't apply $(PREPROCESSOR_DEFINES) to this file.
10070 (cppdefault.o): New rule; apply $(PREPROCESSOR_DEFINES) to
10073 Thu Jul 6 18:30:36 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10075 * reload.c (push_reload): When seeing if can reuse a register,
10076 check extra registers against widest of INMODE and OUTMODE.
10078 2000-07-06 Neil Booth <NeilB@earthling.net>
10080 * cpplib.c: (_cpp_parse_assertion): Perform hash lookups
10081 based on full length of predicate.
10083 2000-07-06 Hans-Peter Nilsson <hp@axis.com>
10085 * timevar.c: [HAVE_SYS_RESOURCE_H]: Include <sys/resource.h>.
10086 [NEED_DECLARATION_GETRUSAGE]: Declare getrusage.
10088 2000-07-05 Kazu Hirata <kazu@hxi.com>
10090 * h8300-proto.h: Fix formatting.
10091 * h8300.c: Likewise.
10092 * h8300.h: Likewise.
10094 2000-07-05 Jim Wilson <wilson@cygnus.com>
10096 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): If FR_REGNO_P, disallow
10099 2000-07-05 Rodney Brown <RodneyBrown@pmsc.com>
10101 * invoke.texi: Fix minor typos
10102 * md.texi: Fix minor typos
10104 2000-07-05 Zack Weinberg <zack@wolery.cumb.org>
10106 * cpplib.c (_cpp_parse_assertion): Fix buffer overrun.
10108 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
10110 * cpplex.c: Don't include sys/mman.h.
10111 (cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.
10113 * cpplib.c: Include sys/mman.h and obstack.h.
10114 (cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
10116 (cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
10117 (_cpp_unwind_if_stack): Now static, unwind_if_stack. Don't
10118 bother freeing if stack entries (they will be freed with their buffer).
10119 (do_endif): Free if stack entries from the buffer obstack.
10120 (push_conditional): Allocate if stack entries from the buffer obstack.
10122 (find_answer): Rename to _cpp_find_answer.
10123 (do_assert, do_unassert): Update.
10125 * cpphash.h: Update prototypes.
10126 (xobnew): New convenience macro.
10127 * cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
10129 (struct cpp_hashnode): Remove disabled field.
10131 * cppinit.c: Don't include hashtab.h or splay-tree.h.
10132 (report_missing_guard): Moved to cppfiles.c.
10133 (cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
10135 (cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
10136 cpp_cleanup_includes. Don't destroy hashtab or
10137 all_include_files here.
10138 (cpp_finish): Use _cpp_report_missing_guards.
10140 * cppfiles.c (report_missing_guard): Moved from cppinit.c.
10141 (_cpp_init_include_table): Rename _cpp_init_includes.
10142 (_cpp_cleanup_includes, _cpp_report_missing_guards): New.
10144 * cppexp.c (parse_assertion): Update for new name of
10147 * Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.
10149 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
10151 * cpplib.c (do_ident): s/VSPACE/EOF/
10153 2000-07-05 Neil Booth <NeilB@earthling.net>
10155 * cpplex.c: Fix trigraph replacement within strings.
10157 2000-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10159 * rs6000/aix.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier.
10161 * xcoffout.c (assign_type_number): Constify.
10162 (xcoffout_source_file): Add static prototype. Don't needlessly
10163 cast away const-ness.
10165 2000-07-04 Jason Merrill <jason@redhat.com>
10167 * frame.h (frame_state): Move base_offset to end.
10169 Mon Jul 3 21:31:43 2000 Clinton Popetz <cpopetz@cygnus.com>
10171 * calls.c (emit_library_call_value_1): Revert previous change.
10173 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
10175 * fix-header.c (struct partial_proto): Remove unnecessary fields.
10176 (recognized_extern, recognized_function, read_scan_file):
10177 Update for new scheme.
10178 (check_protection): It's still a multiple include guard even
10179 if it doesn't always trigger.
10180 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
10182 * scan.h: Declare struct cpp_token. Update prototypes.
10184 2000-07-03 Neil Booth <neilb@earthling.net>
10185 Zack Weinberg <zack@wolery.cumb.org>
10187 Complete overhaul of the lexer and macro expander.
10189 * cpphash.c (object_defn, funct_defn, push_macro_expansion,
10190 arg, arglist, argdata, reflist, collect_objlike_expansion,
10191 collect_funlike_expansion, collect_params,
10192 warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat,
10193 unsafe_chars, macarg, compare_defs, special_symbol,
10194 scan_arguments, stringify, funlike_macroexpand,
10195 _cpp_quote_string, monthnames): Delete.
10196 (cpp_lookup, _cpp_free_definition, dump_funlike_macro,
10197 _cpp_create_definition, _cpp_dump_definition,
10198 dump_hash_helper): Adjust.
10199 (find_param, count_params, parse_define, var_args_str,
10200 check_macro_redefinition, save_expansion): New.
10202 * cpplex.c (skip_block_comment, skip_line_comment, parse_name,
10203 parse_string, output_line_command, trigraph_replace,
10204 lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens,
10205 cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist,
10206 cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer,
10207 _cpp_skip_rest_of_line): Modify.
10209 (maybe_macroexpand, skip_comment, copy_comment, skip_string,
10210 find_position, null_warning, bump_column, expand_name_space,
10211 pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist,
10212 _cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace,
10213 _cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token,
10214 _cpp_prescan): Delete.
10216 (dump_param_spelling, process_directive, lex_next,
10217 is_macro_disabled, stringify_arg, expand_context_stack,
10218 output_token, make_string_token, alloc_number_token,
10219 special_symbol, duplicate_token, maybe_paste_with_next,
10220 can_paste, prevent_macro_expansion, restore_macro_expansion,
10221 get_temp_token, release_temp_tokens, quote_string,
10222 token_names, token_spellings, _cpp_expand_name_space,
10223 _cpp_glue_header_name, _cpp_reserve_name_space,
10224 digraph_spellings, trigraph_ok, skip_whitespace, save_comment,
10225 placemarker_token, eof_token, cpp_context, macro_args,
10226 get_raw_token, parse_arg, parse_args, save_token,
10227 push_arg_context, push_macro_context, pop_context,
10228 do_pop_context, free_macro_args, _cpp_get_line,
10229 _cpp_run_directive): New.
10231 * cpplib.c (validate_else, parse_include, push_conditional,
10232 pass_thru_directive, read_line_number, parse_ifdef,
10233 detect_if_not_defined, _cpp_check_directive, do_define,
10234 do_undef, do_include, do_import, do_include_next, do_error,
10235 do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas,
10236 top_pragmas, do_pragma_gcc, do_pragma_implementation,
10237 do_pragma_poison, do_pragma_system_header,
10238 do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else,
10239 dl_elif, do_endif, _cpp_unwind_if_stack, do_assert,
10240 do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert,
10241 cpp_defined): Update for new scheme.
10242 (strtoul_for_line, get_define_node, dump_macro_name,
10243 _cpp_check_linemarker, _cpp_parse_assertion): New.
10244 (_cpp_handle_directive, do_pragma_default): Delete.
10246 * cpphash.h (struct predicate): Now struct answer.
10247 (enum spell_type, struct token_spelling, struct directive,
10248 directive_handler): New.
10249 Update prototypes. Remove unused macros.
10250 * cpplib.h: Update prototypes. Remove unused macros,
10251 structure definitions, and fields.
10253 * cpperror.c (print_containing_files, v_message): Adjust.
10254 * cppexp.c (parse_assertion, lex, parse_escape,
10255 _cpp_parse_expr): Adjust.
10256 * cppfiles.c (open_include_file, _cpp_execute_include,
10257 _cpp_compare_file_date, cpp_read_file, read_include_file):
10259 * cppinit.c (dump_special_to_buffer): Delete.
10260 (append_include_chain, merge_include_chains, cpp_reader_init,
10261 cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read,
10262 cpp_finish, handle_option, print_help): Adjust.
10263 * cppmain.c (main): Adjust.
10265 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
10267 * cppspec.c (lang_specific_driver): Use double quotes in error
10270 Mon Jul 3 16:53:43 2000 Clinton Popetz <cpopetz@cygnus.com>
10272 * calls.c (emit_library_call_value_1): Use valreg instead
10273 of hard_libcall_value.
10275 2000-07-03 Geoff Keating <geoffk@cygnus.com>
10277 * config/rs6000/rs6000.c (rs6000_emit_move): New function.
10278 * config/rs6000/rs6000-proto.h: Prototype rs6000_emit_move.
10279 * config/rs6000/rs6000.md (movsi): Use rs6000_emit_move.
10287 * expmed.c (expand_mult_highpart): Use op1 instead of wide_op1 when
10288 mode instead of wider_mode is being used.
10290 2000-07-03 Jakub Jelinek <jakub@redhat.com>
10292 * config/i386/i386.md (movstrictqi_xor): Use 'q' constraint instead
10293 of 'r'. Use q_regs_operand.
10294 (andsi_1+2): Use q_regs_operand.
10296 2000-07-03 Jakub Jelinek <jakub@redhat.com>
10298 * builtins.c (get_memory_rtx): Always put into alias set 0.
10300 2000-07-03 Nick Clifton <nickc@cygnus.com>
10302 * config/arm/arm.md: Fix post increment and pre increment
10303 peepholes so that they do not generate UNPREDICATBLE opcodes.
10304 (ie ones where the increment clobbers the source/destination).
10306 2000-07-01 Marek Michalkiewicz <marekm@linux.org.pl>
10308 * config/avr/avr.c (out_adj_frame_ptr): Make "frame pointer
10309 change too big for -mtiny-stack" a warning, if larger than 63.
10310 (out_set_stack_ptr): Change the logic so -mno-interrupts is
10311 always safe to use on possible future devices.
10312 (function_prologue): Write SPH before SPL, for consistency.
10313 If interrupt_func_p true, we know we have enabled interrupts.
10314 (avr_num_arg_regs): New function. Round up to even number of
10315 bytes if no -mpack-args or if calling a libgcc function.
10316 (function_arg, function_arg_advance): Use it.
10317 (output_movsisf, ashlsi3_out, ashrsi3_out, lshrsi3_out):
10318 Output "movw" if available.
10319 (out_tsthi, out_tstsi, ashlqi3_out, lshrqi3_out): Change uses
10320 of TEST_HARD_REG_CLASS macro to test_hard_reg_class function.
10321 (asm_output_section_name): Add blanks for consistent output.
10322 (encode_section_info): Set TREE_READONLY for progmem data to
10323 avoid gas warnings about changed section attributes.
10324 (avr_hard_regno_mode_ok): Force non-QImode data to start in
10325 even numbered registers on devices with "movw".
10326 * config/avr/avr.h (MASK_*): Define bits for target_flags.
10327 (TARGET_SWITCHES): Mark help strings for translation.
10328 Add new -mpack-args and -menhanced switches.
10329 (TARGET_OPTIONS): Mark help strings for translation.
10330 (progmem_section): Add section attributes.
10331 * config/avr/avr.md (*movhi, call_insn, call_value_insn):
10332 Output "movw" if available.
10333 (mulqi3, mulqihi3, umulqihi3, mulhi3, *tablejump_enh):
10335 * config/avr/libgcc.S (_mulqi3, _divqi3): Update to the new
10336 call convention (arguments aligned on even registers).
10337 (_cleanup, _exit): Make weak symbols libc can override.
10339 2000-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10341 * fp-bit.h: New file.
10343 * fp-bit.c: Move common code, prototypes, etc into fp-bit.h.
10344 Comment #endif statements.
10345 (__thenan_sf, __thenan_df): Add missing braces around initializer.
10347 Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
10349 * gcse.c (compute_pre_data): Compute ae_kill using other local
10350 properties instead of calling compute_ae_kill.
10352 * alias.c (init_alias_analysis): Do not call
10353 prologue_epilogue_contains until after reload has completed.
10355 2000-07-02 Benjamin Chelf <chelf@codesourcery.com>
10357 * c-common.h (genrtl_begin_compound_stmt): Remove declaration.
10358 (genrtl_finish_compound_stmt): Likewise.
10359 (genrtl_compound_stmt): Change to return void.
10361 * c-semantics.c (genrtl_begin_compound_stmt): Remove function and
10362 move code from here to ...
10363 (genrtl_compound_stmt): ... here.
10364 (genrtl_finish_compound_stmt): Remove.
10365 (expand_stmt): Add comment.
10367 2000-07-02 Zack Weinberg <zack@wolery.cumb.org>
10369 * c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P
10372 2000-07-02 Jakub Jelinek <jakub@redhat.com>
10374 * cpplib.h (struct cpp_reader): New field include_depth.
10375 (struct cpp_printer): Rename last_bsd to last_id.
10376 * cppfiles.c (read_include_file): Bump include_depth.
10377 * cpplex.c (cpp_pop_buffer): Decrement include_depth.
10378 (output_line_command): Output correct #line if a header
10379 is including itself and is not protected against multiple inclusion.
10380 Use include_depth instead of buffer_stack_depth, last_id instead of
10382 * cppinit.c (cpp_start_read): Initialize last_id instead of
10385 2000-07-01 Benjamin Chelf <chelf@codesourcery.com>
10387 * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
10388 (c-semantics.o): New target.
10390 * c-common.h (TREE_LANG_FLAG_?): Added documentation.
10391 (genrtl_do_pushlevel): Moved from cp/cp-tree.h.
10392 (genrtl_clear_out_block): Likewise.
10393 (genrtl_goto_stmt): Likewise.
10394 (genrtl_expr_stmt): Likewise.
10395 (genrtl_decl_stmt): Likewise.
10396 (genrtl_if_stmt): Likewise.
10397 (genrtl_while_stmt): Likewise.
10398 (genrtl_do_stmt): Likewise.
10399 (genrtl_return_stmt): Likewise.
10400 (genrtl_for_stmt): Likewise.
10401 (genrtl_break_stmt): Likewise.
10402 (genrtl_continue_stmt): Likewise.
10403 (genrtl_scope_stmt): Likewise.
10404 (genrtl_switch_stmt): Likewise.
10405 (genrtl_case_label): Likewise.
10406 (genrtl_begin_compound_stmt): Likewise.
10407 (gerntl_finish_compound_stmt): Likewise.
10408 (genrtl_compound_stmt): Likewise.
10409 (genrtl_asm_stmt): Likewise.
10410 (genrtl_decl_cleanup): Likewise.
10411 (DECL_ANON_UNION_ELEMS): Likewise.
10412 (emit_local_var): Likewise.
10413 (make_rtl_for_local_static): Likewise.
10414 (expand_cond): Likewise.
10415 (expand_stmt): Likewise.
10416 (c_expand_return): Likewise.
10417 (c_expand_start_case): Likewise.
10418 (do_case): Likewise.
10419 (COMPOUND_STMT_NO_SCOPE): Likewise.
10420 (c_expand_asm_operands): Likewise.
10421 (NEW_FOR_SCOPE_P): New macro.
10422 (expand_expr_stmt_fn): New type.
10424 (set_current_function_name_declared): Likewise.
10425 (current_function_name_declared): Likewise.
10426 (lang_expand_stmt): Likewise.
10427 (stmts_are_full_exprs_p): Likewise.
10428 (anon_aggr_type_p): Likewise.
10429 (lang_expand_expr_stmt): Likewise.
10430 (build_case_label): Likewise.
10432 * c-decl.c (lang_expand_expr_stmt): Initialize.
10433 (stmts_are_full_exprs_p): Define.
10434 (current_function_name_declared): Likewise.
10435 (do_case): Likewise.
10436 (lang_expand_stmt): Likewise.
10437 (set_current_function_name_declared): Likewise.
10438 (anon_aggr_type_p): Likewise.
10440 * c-semantics.c: New file.
10441 (expand_cond): Moved from cp/semantics.c.
10442 (genrtl_do_pushlevel): Likewise.
10443 (genrtl_clear_out_block): Likewise.
10444 (genrtl_goto_stmt): Likewise.
10445 (genrtl_expr_stmt): Likewise.
10446 (genrtl_decl_stmt): Likewise.
10447 (genrtl_if_stmt): Likewise.
10448 (genrtl_while_stmt): Likewise.
10449 (genrtl_do_stmt): Likewise.
10450 (genrtl_return_stmt): Likewise.
10451 (genrtl_for_stmt): Likewise.
10452 (genrtl_break_stmt): Likewise.
10453 (genrtl_continue_stmt): Likewise.
10454 (genrtl_scope_stmt): Likewise.
10455 (genrtl_switch_stmt): Likewise.
10456 (genrtl_case_label): Likewise.
10457 (genrtl_begin_compound_stmt): Likewise.
10458 (genrtl_finish_compound_stmt): Likewise.
10459 (genrtl_compound_stmt): Likewise.
10460 (genrtl_asm_stmt): Likewise.
10461 (genrtl_decl_cleanup): Likewise.
10462 (make_rtl_for_local_static): Moved from cp/decl.c.
10463 (emit_local_var): Likewise.
10464 (expand_stmt): Define.
10466 * c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
10467 (c_expand_return): Likewise.
10468 (c_expand_start_case): Likewise.
10470 2000-07-01 Richard Henderson <rth@cygnus.com>
10472 * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
10473 with the low 13 bits set.
10474 (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
10475 * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one
10476 of the low 13 bits into a CONST plus an adddi3.
10477 (load_symptr): Set RTX_UNCHANGING_P.
10479 See ChangeLog.3 for earlier changes.