1 2000-10-31 Jim Wilson <wilson@redhat.com>
3 * defaults.h (ASM_OUTPUT_DEBUG_LABEL): New.
4 * tm.texi (ASM_OUTPUT_DEBUG_LABEL): Document.
5 * dwarf2out.c (dwarf2out_begin_block): Use ASM_OUTPUT_DEBUG_LABEL
6 instead of ASM_OUTPUT_INTERNAL_LABEL.
7 (dwarf2out_end_block, dwarf2out_label): Likewise.
8 * final.c (final_scan_insn, case NOTE_INSN_DELETED_LABEL): Likewise
9 * config/ia64/ia64.h (ASM_OUTPUT_DEBUG_LABEL): Define.
11 2000-10-31 Richard Henderson <rth@redhat.com>
13 * dwarf2out.c (struct dw_loc_descr_struct): Add dw_loc_addr.
14 (size_of_locs): Set it.
15 (output_loc_operands): Use it to compute branch displacement.
16 (int_loc_descriptor): New.
17 (mem_loc_descriptor): Dereference memory in the proper size.
18 Use DW_OP_plus_uconst when possible. Use int_loc_descriptor.
19 (loc_descriptor_from_tree): New.
20 (rtl_for_decl_location): Break out from ...
21 (add_location_or_const_value_attribute): ... here.
22 (add_bound_info): Use loc_descriptor_from_tree.
24 2000-10-31 Neil Booth <neilb@earthling.net>
26 * cpp.texi: Update for new command line assertion syntax.
27 * cpplib.c (cpp_define): Simplify a bit.
28 (cpp_assert, cpp_unassert): Use handle_assertion.
29 (handle_assertion): New function; accept new command line
31 * testsuite/gcc.dg/cpp/assert3.c: New tests.
33 2000-10-31 Neil Booth <neilb@earthling.net>
35 * cppmacro.c (STDC_0_IN_SYSTEM_HEADERS): Define to 0 if
36 undefined. Remove #ifdef check.
37 * config/i386/sol2.h, config/rs6000/sol2.h, config/sparc/sol2.h:
38 Define STDC_0_IN_SYSTEM_HEADERS to 1.
40 2000-10-31 Jan Hubicka <jh@suse.cz>
41 Jakub Jelinek <jakub@redhat.com>
43 * config/i386/i386.h: Clarify CCNOmode description in comment.
44 (EXTRA_CC_MODES): Remove CCRCmode.
45 * config/i386/i386.c (ix86_comparison_operator): Remove CCRCmode.
46 (put_condition_code, ix86_match_ccmode): Likewise.
47 (ix86_cc_mode): Likewise. Fix comment.
48 (ix86_expand_strlensi_unroll_1): *rc patterns are gone.
49 * config/i386/i386.md: Add unspec 12 description.
50 (adddi3 split): Use unspec 12 instead of CCRCmode.
51 (addsi3_carry_rc): Remove.
52 (addsi3_cc, addqi3_cc): New patterns.
53 (addsi_3): Swap operands, match CCZmode.
55 (addsi_5): Renamed from addsi_6.
57 (addhi_3): Swap operands, match CCZmode.
59 (addhi_5): Renamed from addhi_6.
61 (addqi_3): Swap operands, match CCZmode.
63 (addqi_5): Renamed from addqi_6. Use =q constraint for clobber.
64 (subsi3_carry_rc): Removed.
65 (iorqi_3): Use =q constraint for clobber.
66 (xorqi_cc_2): Likewise.
67 (negdi2_1 split): Don't use CCRCmode, use ltu instead of gtu.
68 (x86_movsicc_0_m1_rc): Removed.
69 (cmp?i peepholes): Remove neg. Use CCGCmode instead of CCRCmode.
71 2000-10-31 Joseph S. Myers <jsm28@cam.ac.uk>
73 * c-typeck.c (build_unary_op): If pedantic, pedwarn for increment
74 and decrement of complex types.
76 2000-10-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
78 * builtins.c (expand_builtin_fputs): When deleting NOP calls to
79 builtin fputs, ensure we still evaluate the stream in case it
82 2000-10-31 Jakub Jelinek <jakub@redhat.com>
84 * expr.c (do_store_flag): Pass operand_mode instead of GET_MODE (op0)
87 Tue Oct 31 15:33:27 2000 J"orn Rennecke <amylaar@redhat.com>
89 * sh-protos.h (reg_no_subreg_operand, emit_fpscr_use): Don't declare.
90 (fp_extended_operand, emit_fpscr_use): Likewise.
91 * sh.c (reg_no_subreg_operand, fp_extended_operand): Delete functions.
92 (fpul_operand): New function.
93 * sh.h (PREDICATE_CODES): Remove reg_no_subreg_operand and
94 fp_extended_operand. Add fpul_operand.
95 * sh.md (mulsf3, mulsf3_i4): Use fp_arith_reg_operand for "f" operands.
96 (mulsf3_ie, macsf3, cmpgtsf_t, cmpeqsf_t, ieee_ccmpeqsf_t): Likewise.
97 (cmpgtsf_t_i4, cmpeqsf_t_i4, ieee_ccmpeqsf_t_4, negsf2): Likewise.
98 (negsf2_i, sqrtsf2, sqrtsf2_i, abssf2, abssf2_i, adddf3): Likewise.
99 (adddf3_i, subdf3, subdf3_i, muldf3, muldf3_i, divdf3): Likewise.
100 (divdf3_i): Likewise.
101 (floatsisf2): Likewise. Use fpul_operand for 'y' operand.
102 (floatsisf2_i4, floatsisf2_ie, fix_truncsfsi2): Likewise.
103 (fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i): Likewise.
104 (fix_truncdfsi2, fix_truncdfsi2_i, extendsfdf2): Likewise.
105 (extendsfdf2_i4, truncdfsf2, truncdfsf2_i4): Likewise.
107 2000-10-31 Bernd Schmidt <bernds@redhat.co.uk>
109 * config/i386/i386.c (ix86_init_builtins): Correct return type
110 building v4hi_ftype_v4hi_int_int tree node.
111 (ix86_expand_builtin): Use correct operand numbers 0 and 1.
112 Copy operand 0 into a Pmode register, don't generate a MEM rtx.
114 * config/i386/i386.md (sse_movntdi): Use mmx register constraint
116 (mmx__uavgv8qi3): Correct insn mnemonic.
117 (mmx_psadbw): Correct insn mnemonic. Use V8QI mode for operands 1 and 2.
118 (mmx_punpckhwd): Correct insn mnemonic.
119 (mmx_punpckhdq): Likewise.
120 (mmx_punpcklwd): Likewise.
121 (mmx_punpckldq): Likewise.
122 (prefetch): Use immediare_operand and 'n' constraint for operand 1.
123 Renumber case labels to match the _mm_prefetch constants defined in
126 * recog.c (split_all_insns): Don't try to call cleanup_subreg_operands
127 if the splitter didn't emit new insns.
128 Make sure we call cleanup_subreg_operands even when splitting the last
129 insn in a basic block.
131 * invoke.texi (Debugging Options): Describe -do.
132 * toplev.c (enum_dump_file_index): New entry DFI_postreload.
133 (dump_file): Likewise.
134 (rest_of_compilation): Split .greg dump into .greg and .postreload.
136 2000-10-30 Neil Booth <neilb@earthling.net>
138 * cppfiles.c (stack_include_file): Check for stacked contexts
140 * cpphash.h (_cpp_do__Pragma): New prototype.
141 * cppinit.c (cpp_reader_init): Add _Pragma keyword to hash table.
143 * cpplex.c (skip_escaped_newlines): Only process trigraphs and
144 escaped newlines if !(buffer->from_stage3).
145 (_cpp_lex_token): Warn about missing newlines iff
146 !buffer->from_stage3.
148 * cpplib.c (get__Pragma_string, destringize,
149 _cpp_do__Pragma): New functions.
150 (run_directive): Set output_line for _Pragma to avoid line
151 markers in output. Set from_stage3 and prevent macro expansion
152 for _Pragma and command-line options. Check buffer exhaustion.
153 (cpp_push_buffer): Don't check for stacked macro contexts, as
154 this is perfectly legitimate for _Pragma. Move the check to
155 stack_include_file instead. Set from_stage3 iff buffer is
158 * cpplib.h (struct cpp_buffer): Make warned_cplusplus_comments
159 unsigned. New boolean from_stage3.
160 (struct spec_nodes): Add n__Pragma.
162 * cppmacro.c (enter_macro_context): Flip sense of return value.
163 (_cpp_get_token): Handle _Pragma operator.
165 2000-10-30 Phil Edwards <pme@sources.redhat.com>
167 * gcc.texi: The C++ standard isn't "draft" anymore.
169 2000-10-30 Mark Mitchell <mark@codesourcery.com>
171 * cppmacro.c (builtin_macro): Use NT_VOID, not T_VOID.
173 2000-10-29 Neil Booth <neilb@earthling.net>
175 * cpplib.c (skip_rest_of_line): Use _cpp_get_token.
177 2000-10-29 Joseph S. Myers <jsm28@cam.ac.uk>
179 * toplev.c, flags.h, fold-const.c, real.c, rtl.c,
180 fixinc/inclhack.def: Change comments mentioning C9X to refer to
183 * invoke.texi: Document that -V will only work for very similar
184 versions of driver and compiler.
186 2000-10-29 Neil Booth <neilb@earthling.net>
188 * cppmacro.c (_cpp_create_definition): Optimize the case of
189 a macro defined to itself.
191 2000-10-29 Neil Booth <neilb@earthling.net>
193 * cpplex.c (save_comment): Don't store new lines in C++ comments.
195 2000-10-29 Michael Hayes <mhayes@redhat.com>
197 * integrate.c (copy_insn_list): Copy the unchanging flag for calls.
199 2000-10-28 Geoffrey Keating <geoffk@cygnus.com>
201 * cpphash.c (cpp_forall_identifiers): Add context variable
202 for callback routine.
203 * cppmain.c (dump_macro): Update to match cpp_forall_identifiers
205 (main): Call cpp_forall_identifiers with null context.
206 * cpplib.h (cpp_forall_identifiers): Update prototype.
208 * cppmain.c: Make `parse_in' and `print' static.
210 2000-10-28 Alan Modra <alan@linuxcare.com.au>
212 * c-decl.c (finish_function): Clear c_function_name_declared_p.
214 2000-10-28 Richard Henderson <rth@redhat.com>
216 * regrename.c (scan_rtx_address): Frob action, not class,
217 when trying to disable optimization.
219 2000-10-28 Mark Mitchell <mark@codesourcery.com>
221 * c-semantics.c (make_rtl_for_local_static): Don't clobber
224 2000-10-28 Joseph S. Myers <jsm28@cam.ac.uk>
226 * configure.in: Determine and substitute gcc_version_full.
227 * configure: Regenerate.
228 * gccbug.in: Use it to give full version. Don't allow
231 2000-10-28 Richard Henderson <rth@redhat.com>
233 * recog.c (split_all_insns): Run cleanup_subreg_operands
236 * regrename.c (regrename_optimize): Verify that all registers of
237 a multiple register mode are available.
238 (scan_rtx_address): Accept the mode of the address; all callers
241 * cpplib.c (run_directive): Fix prototype.
243 2000-10-28 Bernd Schmidt <bernds@redhat.co.uk>
245 * reload.c (find_reloads): Distinguish "wins" so that we know whether
246 a given operand won because of a matching constraint or not; then use
247 that information to compute goal_alternative_matched properly.
248 * reload1.c (choose_reload_regs): Never set reload_override_in for an
251 * config/ia64/ia64.h (RTX_COSTS): A few more entries, and a more
252 accurate value for MULT.
253 * config/ia64/ia64.c (ia64_print_operand): Require probability to be
254 2% or > 98% before using static branch prediction bits.
256 2000-10-28 Neil Booth <neilb@earthling.net>
260 * cpplib.c (struct answer): New.
261 (struct if_stack): Use cpp_lexer_pos rather than line and col.
262 Rename cmacro mi_cmacro.
263 (struct directive, KANDR, STDC89, EXTENSION, COND, IF_COND, INCL,
264 IN_I): New directive and flags.
265 (skip_rest_of_line, check_eol, run_directive, glue_header_name,
266 parse_answer, parse_assertion, find_answer): New functions.
267 (parse_ifdef, detect_if_not_defined, validate_else): Remove.
268 (lex_macro_node): New function to replace parse_ifdef and
271 (_cpp_handle_directive): New function, combines _cpp_check_directive
272 and _cpp_check_linemarker.
274 (do_define, do_undef, parse_include, do_include, do_import,
275 do_include_next, read_line_number, do_line, do_ident, do_pragma,
276 do_pragma_once, do_pragma_poison, do_pragma_dependency):
277 Update for new token getting interface.
279 (do_ifdef, do_ifndef, do_if, do_else, do_endif, push_conditional)
280 : Update for new multiple-include optimisation technique.
281 (do_elif): Don't forget to invalidate controlling macros.
283 (unwind_if_stack, cpp_defined, cpp_push_buffer, cpp_pop_buffer): Update.
284 (parse_assertion, parse_answer, find_answer, _cpp_test_assertion):
285 Functions to handle assertions with the new token interface.
286 (do_assert, do_unassert): Use them.
288 (cpp_define, _cpp_define_builtin, cpp_undef, cpp_assert, cpp_unassert):
291 (_cpp_init_stacks): Register directive names. Don't register special
294 * cpperror.c (print_containing_files, _cpp_begin_message): Update to
295 new position recording regime.
296 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
297 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line,
298 cpp_pedwarn_with_file_and_line): Update for _cpp_begin_message changes.
299 (cpp_type2name): Move to cpplex.c.
301 * cppexp.c (parse_charconst): spec_nodes is no longer a pointer.
302 (parse_defined): Update to handle new multiple include optimisation
303 method. Remove poisoned identifier warning.
304 (parse_assertion, TYPE_NAME): Delete.
305 (lex): Update for multiple include optimisation, removal of
306 CPP_DEFINED, to use _cpp_test_assertion for assertions and
308 (_cpp_parse_expr): Update for MI optimisation, and to use op_as_text.
309 (op_as_text): New function, to wrap cpp_token_as_text.
311 * cppfiles.c (stack_include_file, _cpp_pop_file_buffer):
312 Update for MI optimisation.
313 (_cpp_execute_include): Take a token rather than 3 arguments. Fix
314 segfault on diagnostic.
315 (_cpp_compare_file_date): Take a token rather than 3 args.
316 (cpp_read_file): Work correctly for zero-length files.
318 * cpphash.c (_cpp_init_macros, _cpp_cleanup_macros): Rename
319 _cpp_init_hashtable and _cpp_cleanup_hashtable.
320 (cpp_lookup): Place identifiers at front of identifier pool
321 for _cpp_lookup_with_hash.
322 (_cpp_lookup_with_hash): Require identifiers to be at the front of
323 the identifier pool. Commit the memory if not already in the
326 * cppinit.c (cpp_reader_init): Move cpp_init_completed test to top.
327 Initialise various members of cpp_reader, memory pools, and the
329 (cpp_printer_init): Delete.
330 (cpp_cleanup): Update.
331 (struct builtin, builtin_array, initialize_builtins): Update for new
332 hashnode definition and builtin handling.
333 (cpp_start_read, cpp_finish): Don't take or initialise a
336 * cpplib.h (cpp_printer, cpp_toklist, CPP_DEFINED, BOL,
337 PASTED, VAR_ARGS, BEG_OF_FILE, IN_DIRECTIVE, KNOWN_DIRECTIVE,
338 T_VOID, T_SPECLINE, T_DATE, T_FILE, T_BASE_FILE, T_INCLUDE_LEVEL,
339 T_TIME, T_STDC, T_OPERATOR, T_POISON, T_MACRO, T_ASSERTION): Delete.
340 (struct cpp_pool, struct cpp_macro, struct cpp_lexer_pos,
341 struct cpp_lookahead, CPP_DHASH, enum mi_state, enum mi_ind,
342 NO_EXPAND, VARARGS_FIRST, struct cpp_token_with_pos,
343 struct toklist, struct cpp_context, struct specnodes,
344 TOKEN_LOOKAHEAD, TOKEN_BUFFSIZE, NODE_OPERATOR, NODE_POISONED,
345 NODE_BUILTIN, NODE_DIAGNOSTIC, NT_VOID, NT_MACRO, NT_ASSERTION,
346 enum builtin_type, cpp_can_paste): New.
347 (struct cpp_token): Delete line and col members.
348 (struct cpp_buffer): New member output_lineno.
349 (struct lexer_state): Delete indented, in_lex_line, seen_dot.
350 Add va_args_ok, poisoned_ok, prevent_expansion, parsing_args.
351 (struct cpp_reader): New members lexer_pos, macro_pos, directive_pos,
352 ident_pool, temp_string_pool, macro_pool, argument_pool, string_pool,
353 base_context, context, directive, mi_state, mi_if_not_defined,
354 mi_lexed, mi_cmacro, mi_ind_cmacro, la_read, la_write, la_unused,
355 mlstring_pos, macro_buffer, macro_buffer_len.
356 Delete members mls_line, mls_column, token_list, potential_control_macro,
357 temp_tokens, temp_cap, temp_alloced, temp_used, first_directive_token,
358 context_cap, cur_context, no_expand_level, paste_level, contexts, args,
359 save_parameter_spellings, need_newline, .
360 Change type of date, time and spec_nodes members.
361 Change prototypes for include and ident callbacks.
362 (struct cpp_hashnode): Change type of name. Remove union members
363 expansion and code. Add members macro, operator and builtin.
365 (cpp_token_len, cpp_token_as_text, cpp_spell_token, cpp_start_read,
366 cpp_finish, cpp_avoid_paste, cpp_get_token, cpp_get_line,
367 cpp_get_output_line, cpp_macro_definition, cpp_start_lookahead,
368 cpp_stop_lookahead): New prototypes.
369 (cpp_printer_init, cpp_dump_definition): Delete prototypes.
371 (U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr, ufputs):
374 * cpphash.h (U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr,
375 ufputs): Move to cpplib.h.
376 (enum spell_type, struct token_spelling, _cpp_token_spellings, TOKEN_SPELL,
377 TOKEN_NAME, struct answer, FREE_ANSWER, KANDR, STDC89, EXTENSION,
378 COND, EXPAND, INCL, COMMENTS, IN_I, struct directive, directive_handler,
379 struct spec_nodes, _cpp_digraph_spellings, _cpp_free_temp_tokens,
380 _cpp_init_input_buffer, _cpp_grow_token_buffer, _cpp_init_toklist,
381 _cpp_clear_toklist, _cpp_expand_token_space, _cpp_expand_name_space,
382 _cpp_equiv_tokens, _cpp_equiv_toklists, _cpp_process_directive,
383 _cpp_run_directive, _cpp_get_line, _cpp_get_raw_token, _cpp_glue_header_name,
384 _cpp_can_paste, _cpp_check_directive, _cpp_check_linemarker,
385 _cpp_parse_assertion, _cpp_find_answer): Delete.
386 (VALID_SIGN, ALIGN, POOL_FRONT, POOL_LIMIT, POOL_BASE, POOL_SIZE,
387 POOL_USED, POOL_COMMIT, struct cpp_chunk, _cpp_lex_token, _cpp_init_pool,
388 _cpp_free_pool, _cpp_pool_reserve, _cpp_pool_alloc, _cpp_next_chunk,
389 _cpp_lock_pool, _cpp_unlock_pool, _cpp_test_assertion,
390 _cpp_handle_directive, DSC): New.
391 (struct include_file): New member defined.
393 (DO_NOT_REREAD, _cpp_begin_message, _cpp_execute_include,
394 _cpp_compare_file_date): Update.
395 (_cpp_pop_context, _cpp_get_token, _cpp_free_lookaheads, _cpp_push_token): New.
396 (_cpp_init_macros, _cpp_cleanup_macros): Rename to _cpp_init_hashtable,
397 _cpp_cleanup_hashtable.
399 * Makefile.in: Remove cppoutput.c.
401 * cppoutput.c: Delete
403 * fixheader.c (read_scan_file): Update for new cpp_get_token
405 (recognized_function): New argument LINE.
407 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
408 new cpp_get_token prototype.
410 * scan.h (recognized_function): Update prototype.
412 * po/POTFILES.in: Remove cppoutput.c.
414 2000-10-27 Mark Mitchell <mark@codesourcery.com>
416 * c-typeck.c (check_init_type_bitfields): Remove.
417 (constructor_incremental): Likewise.
418 (struct constructor_stack): Remove incremental bit.
419 (struct initializer_stack): Likewise.
420 (start_init): Don't play with constructor_incremental.
421 (finish_init): Likewise.
422 (really_start_incremental_init): Likewise.
423 (push_init_level): Likewise.
424 (pop_init_level): Likewise.
425 (output_init_level): Likewise.
426 (output_pending_init_elements): Likewise.
428 2000-10-21 Mike Coleman <mcoleman2@kc.rr.com>
430 * c-pragma.c (handle_pragma_pack): Initialize align to -1.
431 Improve error messages. Correct parsing of
432 #pragma pack(pop [,id]). Do not check the user-supplied
433 alignment if we're popping.
435 * gcc.dg/pack-test-1.c: New test case.
436 * gcc.dg/pack-test-2.c: New test case.
437 * gcc.dg/pack-test-1.h: New file.
439 2000-10-27 Neil Booth <neilb@earthling.net>
443 2000-10-27 Kelley Cook <kelley.cook@home.com>
445 * invoke.texi: Document -mintel-syntax
447 2000-10-27 Richard Henderson <rth@redhat.com>
449 * invoke.texi: Document -frename-registers. Add it to -O3.
450 * toplev.c (rest_of_compilation): Run regrename before ifcvt2.
451 (enum dump_file_index, dump_file): Update order.
452 (main): Set flag_rename_registers at -O3.
454 2000-10-27 Richard Henderson <rth@redhat.com>
456 * config/alpha/alpha.h (enum reg_class): Add PV_REG.
457 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS): Update.
458 (REG_CLASS_FROM_LETTER): Assign it to 'c'.
459 * config/alpha/alpha.md (call_osf_1): Use it.
460 (call_value_osf_1): Likewise.
462 * config/ia64/ia64.c: Revert 10-23 patch.
463 (ia64_hard_regno_rename_ok): New.
464 * config/ia64/ia64-protos.h: Declare it.
465 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK): Use it.
467 2000-10-27 Bernd Schmidt <bernds@redhat.co.uk>
468 Richard Henderson <rth@redhat.com>
470 * regrename.c: Rewrite to handle multi-register modes and
471 cond_exec instructions.
472 * Makefile.in (regrename.o): Update dependancies.
473 * recog.h (struct operand_alternative): Add is_address.
474 * recog.c (preprocess_constraints) [case 'p']: Set it.
476 2000-10-27 Zack Weinberg <zack@wolery.stanford.edu>
478 * configure.in: If not NO_MINUS_C_MINUS_O, substitute
479 OUTPUT_OPTION with '-o $@'. Make zlibdir, zlibinc relative to
480 top level. Kill oldstyle_subdirs. Do not include
481 $srcdir/$s/Makefile.in in all_lang_makefiles, but do include
482 $outputs. Do not run configure.lang from config.status.
483 Rearrange warning-flag logic to correspond to what the
484 makefile wants. Put special vax stage1 options in
485 @stage1_flags@ not @stage1_warn_cflags@. Don't do anything
486 with extra_c_objs, extra_cxx_objs, or extra_cpp_objs.
487 (--enable-c-cpplib): AC_SUBST(maybe_cpplib) with "libcpp.a" if
488 switch is given, nothing otherwise.
489 * configure.lang: Delete.
491 * Makefile.in: Expunge all traces of extra_c_objs,
492 extra_cxx_objs, and extra_cpp_objs. Set MAYBE_CPPLIB from
493 @maybe_cpplib@. Add $(MAYBE_CPPLIB) to C_AND_OBJC_OBJS. Set
494 warning options via a three level scheme so that -pedantic and
495 -Wtraditional are not used for non-C front ends: LOOSE_WARN,
496 STRICT1_WARN, STRICT2_WARN -> $(@D)-warn, GCC_WARN_CFLAGS ->
497 WARN_CFLAGS. Distinguish STAGE1_CFLAGS from BOOT_CFLAGS.
498 Add -I$(@D) and -I$(srcdir)/$(@D) to INCLUDES.
499 Set OUTPUT_OPTION, ZLIB, ZLIBINC. Do not set P,
500 LANG_FLAGS_TO_PASS. Add OUTPUT_OPTION to all object-file
501 generation rules. Wrap all rules that change the current
502 directory in parentheses; pmake doesn't spawn a new shell for
503 each command. Expunge all references to $(P). When one
504 command depends on another and they're run all at once, use &&
505 to separate them, not ;. Add libgcc_s$(SHLIB_EXT) to files
506 deleted on make clean. Force OUTPUT_OPTION='-o $@' in stage2
509 * objc/Make-lang.in: Wrap all rules that change the current
510 directory in parentheses. Expunge all references to $(P).
511 When one command depends on another and they're run all at
512 once, use && to separate them, not ;. Add OUTPUT_OPTION to
513 all object-file generation rules. Delete obsolete variables.
514 * objc/Makefile.in: Delete.
516 2000-10-27 Jakub Jelinek <jakub@redhat.com>
518 * calls.c (expand_call): If sibcall_failure is set during pass 1,
519 clear tail_call_insns as well.
521 2000-10-27 Nick Clifton <nickc@redhat.com>
523 * config/arm/arm-protos.h (arm_function_ok_for_sibcall): Add
526 2000-10-26 Richard Henderson <rth@redhat.com>
528 * calls.c (expand_call): Supress sibcall if we have a
529 BLKmode return in registers.
531 2000-10-26 Bernd Schmidt <bernds@redhat.co.uk>
533 * ia64.h (PREFERRED_RELOAD_CLASS): Force floating point constants
536 2000-10-26 Nathan Sidwell <nathan@codesourcery.com>
538 * tree.c (make_node, case 't'): Set alignment to that of
540 * expr.c (move_by_pieces_ninsns): Abort if some length remains.
542 2000-10-25 Mark Mitchell <mark@codesourcery.com>
544 * Makefile.in (site.exp): Define HAVE_LIBSTDCXX_V3.
545 * configure.in (enable-libstdcxx-v3): Arrange to have
546 HAVE_LIBSTDCXX_V3 substituted into the output files.
548 2000-10-25 Richard Henderson <rth@redhat.com>
550 * recog.c (constrain_operands): Initialize which_alternative
551 before no alternatives early exit.
553 * cse.c (find_comparison_args): Check that we can reverse a
554 comparison if needed before accepting the substitution.
556 * reload.c (find_reloads_address_part): Kill rtx obstack hackery.
558 * simplify-rtx.c (simplify_relational_operation): Sign extend
559 low words before sign extending to high words.
561 2000-10-25 Nick Clifton <nickc@redhat.com>
563 * config/mcore/mcore.c: Include config.h before system.h.
565 2000-10-25 Ray Essick <essick@ddna.labs.mot.com>
567 * config/mcore/mcore.md (return): Force function epilogue to
568 always be generated to work around epilogue suppression bug in
571 2000-10-25 Joseph S. Myers <jsm28@cam.ac.uk>
573 * c-decl.c (grokdeclarator): Move warning for qualified void
574 return types with -pedantic to when the function type is
575 constructed. At -W, warn in general for qualified function return
576 types, except for volatile void.
577 * invoke.texi: Document this new warning at -W.
579 2000-10-25 Neil Booth <neilb@earthling.net>
581 * cpp.texi: Update with implementation-defined behavior and
584 2000-10-25 Jakub Jelinek <jakub@redhat.com>
586 * stor-layout.c (layout_type): If TYPE_ALIAS_SET was already set on the
587 incomplete type force it into alias set 0.
589 Wed Oct 25 01:02:44 EDT 2000 John Wehle (john@feith.com)
591 * alias.c: Include basic-block.h.
592 (loop_p): New function.
593 (mark_constant_function): Use it.
594 * Makefile.in (alias.o): Update dependencies.
596 2000-10-24 Aldy Hernandez <aldyh@redhat.com>
598 * config/mn10300/mn10300.c (secondary_reload_class): Treat pseudos
601 2000-10-24 Jim Wilson <wilson@cygnus.com>
603 * expmed.c (store_bit_field): Move integer pun code down after
604 code that calls emit_move_insn for entire register move.
605 * stor-layout.c (compute_record_mode): Revert Mar 25, Aug 18, and
606 Oct 20 changes. Only store mode in TYPE_MODE if RECORD_TYPE.
608 2000-10-24 Richard Henderson <rth@cygnus.com>
610 * rtlanal.c (rtx_unstable_p, rtx_varies_p): Don't consider pic
611 register stable if PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
613 2000-10-24 Aldy Hernandez <aldyh@redhat.com>
615 * gcse.c (cprop_insn): do not propagate constants into jump_insn
616 for machines with CC0 more than once.
618 2000-10-24 Richard Henderson <rth@cygnus.com>, Aldy <aldyh@cygnus.com>
620 * config/mn10300/mn10300.h (PREFERRED_RELOAD_CLASS): Treat
621 pseudos just like memory.
623 2000-10-24 Alexandre Oliva <aoliva@redhat.com>
625 * combine.c (distribute_notes): Discard REG_LIBCALL and REG_RETVAL
626 when deleting libcall sequence collapsed to a single instruction.
628 2000-10-24 Andrew Haley <aph@cygnus.co.uk>
630 * expr.c (do_store_flag): Don't crash if either side of a
631 comparison is error_mark_node.
633 2000-10-24 Jakub Jelinek <jakub@redhat.com>
635 * sibcall.c (purge_mem_unchanging_flag): New function.
636 (optimize_sibling_and_tail_recursive_calls): Call it.
638 2000-10-24 Philipp Thomas <pthomas@suse.de>
640 * Makefile.in (check-po): New target for doing checks in the po
641 subdir if all languages configured.
642 (CHECK_TARGETS): Add @CHECK_PO@, replaced with check-po via
643 configure if NLS is enabled.
644 * configure.in: If NLS is enabled, substitute CHECK_PO by check-po,
645 otherwise leave empty.
646 * configure: Regenerate.
648 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
650 * i386.c (print_operand): Handle new 'A' formatting code.
651 387 opcodes need suffixes even with -mintel-syntax.
652 Check for explicit size override (codes 'b', 'w' and 'k').
653 (print_operand_address): Check if register prefix is needed when
654 emitting `ds' segment override.
655 * i386.h: Add comment about new 'A' formatting code.
656 * i386.md (jump and call patterns): Emit absolute references using %A.
658 2000-10-23 Richard Henderson <rth@cygnus.com>
660 * config/ia64/ia64.c (ia64_expand_prologue): Mark extra
661 output registers as fixed.
662 (ia64_function_epilogue): Undo output fixation.
664 2000-10-23 Richard Henderson <rth@cygnus.com>
666 * config/alpha/alpha.md: Add names for all unnamed insns; use
667 define_insn_and_split in some obvious places.
669 (zero_extendqihi2): Use an expander w/ nonimmediate_operand for BWX.
670 (zero_extendqisi2, zero_extendqidi2): Likewise.
671 (zero_extendhisi2, zero_extendhidi2): Likewise.
672 (abs splitters): Fix match_scratch operand number.
673 (bcc_reverse): Swap pc & label instead of non-canonical compare.
675 2000-10-23 Jim Wilson <wilson@cygnus.com>
677 * ia64.c (ia64_print_operand, case 'r'): Correct comment. Handle
679 * ia64.md (cmpsi_adjusted): Use %r3.
680 (cmpdi_adjusted): Likewise.
682 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
684 * config/i386/att.h (ASM_FILE_START): Define.
686 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
688 * config/i386/linux.h (ASM_FILE_START): Define.
690 Wed Oct 18 11:16:40 2000 Donald Lindsay <dlindsay@cygnus.com>
692 * gcc/configure.in: m68k-coff tm_file should not have libgloss.h,
693 since this (only) drags in a crt0.o reference that the .ld files
696 2000-10-23 Geoff Keating <geoffk@cygnus.com>
698 * reload1.c (reload_reg_reaches_end_p): A RELOAD_OTHER can
699 overwrite the value in a RELOAD_FOR_INPUT and other kinds of
700 reloads just like an RELOAD_FOR_OUTPUT would.
702 * local-alloc.c (update_equiv_regs): Add an abort(). When
703 deleting or moving insns, update reg_equiv[regno].init_insns.
705 2000-10-23 Mark Mitchell <mark@codesourcery.com>
707 * c-tree.texi: Improve documentation for IF_STMTs and related
708 conditional statements.
710 2000-10-22 Mark Mitchell <mark@codesourcery.com>
712 * expr.c (do_preexpand_calls): Remove.
713 (same_from_p): Don't use CALL_EXPR_RTL.
714 (expand_expr): Don't call preexpand_calls, or use CALL_EXPR_RTL.
715 (preexpand_calls): Remove.
716 * tree.c (first_rtl_op): Remove CALL_EXPR case.
717 (unsave_expr_1): Likewise.
718 * tree.def (CALL_EXPR): Give it only two slots.
719 * tree.h (CALL_EXPR_RTL): Remove.
721 2000-10-21 Chandrakala Chavva <cchavva@redhat.com>
723 * libgcc-std.ver (__addvsi3, __addvdi3, __subvsi3, __subvdi3,
724 __mulvsi3, __negvsi2, __negvdi2, __absvsi2, __absvdi2, __mulvdi3):
727 2000-10-22 Alexandre Oliva <aoliva@redhat.com>
729 * calls.c (combine_pending_stack_adjustment_and_call): Don't
730 adjust stack when unadjusted_alignment ends up as zero.
732 2000-10-22 Joseph S. Myers <jsm28@cam.ac.uk>
734 * fixinc/genfixes: Remove EGCS reference.
735 * install.texi: Remove EGCS reference.
736 * INSTALL: Regenerate.
738 2000-10-22 Mark Mitchell <mark@codesourcery.com>
740 * tree.h (TYPE_IS_SIZETYPE): Add more documentation.
742 2000-10-21 Joseph S. Myers <jsm28@cam.ac.uk>
744 * diagnostic.c: Remove EGCS reference in comment.
746 Sat Oct 21 08:24:25 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
748 * loop.c (strength_reduce): Fix error in last change.
750 2000-10-20 David Edelsohn <edelsohn@gnu.org>
752 * Makefile.in (SHLIB_NM_FLAGS): New.
753 (libgcc.mk): Pass it.
754 * mklibgcc.in (libgcc.map): Use it.
756 * rs6000/t-aix43 (SHLIB_EXT, SHLIB_LINK, SHLIB_LIBS,
757 SHLIB_MKMAP, SHLIB_MAPFILES, SHLIB_NM_FLAGS): New.
759 2000-10-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
761 * mips.h (REG_CLASS_FROM_LETTER): Cast array arg to unsigned char.
763 * sparc.c (load_pic_register): Delete unused varaible.
765 * libgcc2.c (__addvsi3): Delete unused variable.
767 * libgcc2.h (__absvsi2, __absvdi2, __addvsi3, __addvdi3,
768 __subvsi3, __subvdi3, __mulvsi3, __mulvdi3, __negvsi2,
769 __negvdi2): Prototype.
771 * ssa.c (apply_delayed_renames): Avoid undefined operation.
773 * toplev.c (display_target_options): Make static to match
774 prototype. Delete empty declaration.
776 2000-10-20 Tom Tromey <tromey@cygnus.com>
778 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Added -MF and -MT.
779 * gcc.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Added -MF and -MT.
781 Fri Oct 20 17:05:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
783 * expr.c (expand_expr, case SAVE_EXPR): Set RTX_UNCHANGING_P on
785 (expand_expr_unaligned, case ARRAY_REF): Check that index is
786 a constant before comparing it; use tree_low_cst.
787 * tree.c (save_expr): Set TREE_READONLY.
788 (substitute_expr): Return inside of NON_LVALUE_EXPR.
789 (build, build1): Set TREE_READONLY if all operands are.
790 (build_index_type): If upper bound is a negative number, lower
791 bound is zero and sizetype is unsigned, use upper bound of one and
794 2000-10-20 David Edelsohn <edelsohn@gnu.org>
796 * gcc.c (process_command, main): Use "because" instead of
797 "since" in error messages.
799 Fri Oct 20 13:33:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
801 * stor-layout.c (compute_record_mode): Use tree_low_cst.
802 Don't use mode of field for record unless sizes are the same.
803 (layout_type, case ARRAY_TYPE): Remove special bounds handling
804 previously added for Ada; also change to using host_integerp
807 * loop.c (strength_reduce): Show when new register made for
808 giv is known to be a pointer and its aligment if so and known.
809 (loop_dump_aux): Show VERBOSE parameter unused.
811 * gcse.c (set_hash_table_size): Now unsigned.
812 * sdbout.c (template_name_p): Add "const" to avoid warnings.
813 (sdbout_record_type_name, plain_type_1, sdbout_symbol): Likewise.
814 (sdbout_one_type, sdbout_parms, sdbout_reg_parms): Likewise.
815 (sdbout_end_epilogue): Remove variable NAME.
816 * system.h (getopt): Add default definition.
817 * config/alpha/alpha.c (print_operand): Don't continue processing
819 (summarize_insn): Avoid use of UL in constant.
821 * function.c (locate_and_pad_parm): Use host_integerp and tree_low_cst.
823 * fold-const.c (force_fit_type): Unsigned values can overflow
824 if they are sizetype.
825 (int_const_binop): Don't use cache if overflows.
827 2000-10-20 Richard Henderson <rth@cygnus.com>
829 * function.c (locate_and_pad_parm): Zero alignment_pad.
831 * regrename.c (rr_replace_reg): Rewrite to use recog_data to
832 perform substitutions, and apply_change_group to see if it worked.
834 Fri Oct 20 13:33:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
836 * dwarf2out.c (add_bound_info): Also ignore COND_EXPR.
838 * combine.c (struct undo): Change int to unsigned int.
839 (do_SUBST_INT): Args are unsigned int.
840 (make_extraction, force_to_mode): Use proper type when forming mask.
841 (make_field_assignment): Likewise.
843 2000-10-20 Joseph S. Myers <jsm28@cam.ac.uk>
845 * c-common.c (check_format_info_recurse): Extract string constant
846 initializers from non-volatile constant arrays and check them as
848 * c-typeck.c (decl_constant_value): Don't check pedantic or check
849 for DECL_MODE (decl) != BLKmode.
850 (decl_constant_value_for_broken_optimization): New function which
851 includes these checks.
852 (default_conversion, convert_for_assignment, digest_init): Use
853 decl_constant_value_for_broken_optimization instead of
856 2000-10-20 Mark Mitchell <mark@codesourcery.com>
858 * tree.h (DECL_ALIGN_UNIT): New macro.
860 2000-10-14 Marek Michalkiewicz <marekm@linux.org.pl>
862 * config/avr/avr-protos.h (avr_output_bld): New.
863 (out_shift_with_cnt): Add t_len argument.
864 * config/avr/avr.c (avr_num_arg_regs): Remove -mpack-args.
865 (output_movqi, output_movhi, output_movsisf): Optimize loading
866 any constant with exactly one bit set to NO_LD_REGS.
867 (out_shift_with_cnt): Optimize output code for size or speed,
868 depending on optimize_size. Handle small shift counts as well
869 (if not hand-optimized in ?sh??i3_out). Shifts can be done
870 with or without a scratch register, with help of __tmp_reg__
871 or __zero_reg__ if necessary. Add T_LEN argument to pass the
872 length of TEMPLATE in words, return total insn length in *LEN.
873 (ashlqi3_out, ashrqi3_out, lshrqi3_out): Change all calls to
874 out_shift_with_cnt to work with the above change.
875 (ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out, lshrhi3_out,
876 lshrsi3_out): Likewise. Optimize more known shift count cases.
877 Remove cases already well optimized in out_shift_with_cnt.
878 (avr_output_bld): New function.
879 * config/avr/avr.h (MASK_PACK_ARGS, TARGET_PACK_ARGS): Remove.
880 (TARGET_SWITCHES): Remove -mpack-args backward compatibility.
881 * config/avr/avr.md (*reload_inqi, *reload_inhi, *reload_insi):
882 Add reload_completed to insn condition - only for peepholes.
883 (ashlqi3, ashrqi3, lshrqi3): Correct insn length for shift counts
884 in a register or memory.
885 (ashlhi3, ashlsi3, ashrhi3, ashrsi3, lshrhi3, lshrsi3): Likewise.
886 Do not require a scratch register.
887 (*ashlhi3_const, *ashlsi3_const, *ashrhi3_const, *ashrsi3_const,
888 *lshrhi3_const, *lshrsi3_const): New insns and matching peepholes.
889 Optimize shifts by known count using a scratch register, but only
890 if one is still available after register allocation.
892 2000-10-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
894 * t-vax: New file. Don't build modules from libgcc1.c.
896 Fri Oct 20 00:57:00 EDT 2000 John Wehle (john@feith.com)
898 * alias.c: (mark_constant_function): Don't check pure functions.
899 Initialize and end alias analysis.
900 (nonlocal_mentioned_p): Rename from nonlocal_reference_p.
901 Don't make a special exception for recursion. Handle
902 UNSPEC_VOLATILE. Don't assume ASM_OPERANDS is non-local
903 unless it's volatile.
905 * local-alloc.c (equivalence): New structure.
907 (contains_replace_regs): Remove array and use
909 (memref_referenced_p): Likewise.
910 (no_equiv): Likewise.
911 (update_equiv_regs): Likewise.
913 (equiv_init_varies_p,
914 equiv_init_movable_p): New functions.
915 (update_equiv_regs): Use them. Use rtx_varies_p
916 instead of function_invariant_p. Process insns
917 from end to beginning. Allow a REG_EQUIV insn
918 within the same loop as a use to be moved, also
919 allow it to be moved out of a loop. Update
920 REG_DEAD notes when substituting into an insn.
922 2000-10-19 Jim Wilson <wilson@cygnus.com>
924 * c-decl.c (start_decl): Check for error_mark_node type before using
926 (finish_decl): Likewise. Don't give an error if decl type is
927 already error_mark_node.
929 * haifa-sched.c (compute_trg_info): Add explanatory comments.
930 New local update_blocks. Use update_blocks to remove duplicates
931 when computing update blocks. Check for bblst_table overflow.
932 (schedule_block): Add explanatory comment. Reduce bblst_size by
934 * config/ia64/ia64.md (movdi_symbolic): Document loss of REG_LABEL
937 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
939 * libgcc2.c (_mulvsi3): Change variables u and v to a and b.
941 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
943 * expmed.c: Minor corrections in comments.
944 * invoke.texi: Added desciption for the new option -ftrapv.
946 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
948 * libgcc2.c: Added the missing #endif.
950 Thu Oct 19 14:25:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
952 * i386.h (CONST_OK_FOR_LETTER): Re-add 'N'; document.
954 2000-10-18 Chandrakala Chavva <cchavva@redhat.com>
956 * expmed.c (expand_mult): Don't do synth_mult optimization for -ftrapv.
957 Use smulv_optab for -ftrapv.
958 (expand_mult_highpart): Use unsigned multiply.
959 (expand_divmod): Special-case division by -1.
960 For EXACT_DIV_EXPR, do right shift first, then the multiply.
961 For complex divide, use abs with unsigned result.
962 * expr.c (force_operand): Use unsigned multiply.
963 (expand_expr): Use overflow-trapping optabs for signed types if
965 If flag_trapv, don't generate a recursive call with EXPAND_SUM
966 if the type is signed and the original call wasn't EXPAND_SUM or
968 * expr.h (addv_optab, subv_optab, smulv_optab, sdivv_optab): Declare.
969 (negv_optab, absv_optab): Declare.
970 * flags.h (flag_trapv): Declare.
971 * genopinit.c (optabs): Add entries for addv_optab, subv_optab,
972 smulv_optab, sdivv_optab, negv_optab and absv_optab.
973 (gen_insn): Interpret '$P' as requiring an integer mode,
974 including partial integer modes.
975 * loop.c (emit_iv_add_mult): Use unsigned expand_mult_add.
976 (product_cheap_p): Use unsigned expand_mult.
977 * optabs.c (addv_optab, subv_optab, smulv_optab, sdivv_optab): Define.
978 (negv_optab, absv_optab): Define.
979 (expand_binop): Use overflow-trapping optabs for signed types if
981 Handle negv_optab libe neg_optab.
982 (expand_abs): Take result_unsignedp argument instead of unsignedp one.
983 Use overflow-trapping optabs for signed result if flag_trapv.
984 (expand_complex_abs): Use overflow-trapping optabs for signed types if
986 Don't open-code complex absolute-value operation for flag_trapv.
987 (init_optabs): Initialize addv_optab, subv_optab, smulv_optab,
988 sdivv_optab, negv_optab and absv_optab.
989 * toplev.c (flag_trapv): Define.
990 (lang_independent_options f_options): Include flag_trapv.
991 * tree.h (TYPE_TRAP_SIGNED): Define.
992 * libgcc2.c (__addvsi3, __addvdi3, __subvsi3,__subvsi3, __subvdi3,
993 __mulvsi3, __negvsi2, __negvdi2, __absvsi2, __absvdi2, __mulvdi3):
995 * Makefile.in: add _absvsi2 _absvdi2 _addvsi3 _addvdi3 _subvsi3
996 _subvdi3 _mulvsi3 _mulvdi3 _negvsi2 _negvdi2.
998 2000-10-18 Geoffrey Keating <geoffk@cygnus.com>
999 David V. Henkel-Wallace <gumby@cygnus.com>
1001 * config/i386/t-netware: Bring in from the Red Hat tree.
1002 * config/i386/netware.h: Likewise.
1003 * config/netware.h: Likewise.
1004 * config/rs6000/netware.h: Delete.
1005 * configure.in: Add i[34567]86-*-netware.
1006 * configure: Hand-edit to match configure.in change.
1008 2000-10-18 Mark Mitchell <mark@codesourcery.com>
1010 * c-common.h (flag_no_builtin): Declare.
1011 (flag_no_nonansi_builtin): Likewise.
1012 (c_common_nodes_and_builtins): Change prototype.
1013 * c-common.c (flag_no_builtin): New variable.
1014 (flag_no_nonansi_builtin): Likewise.
1015 (c_common_nodes_and_builtins): Remove parameters. Adjust
1017 * c-decl.c (flag_no_builtin): Remove.
1018 (flag_no_nonansi_builtin): Likewise.
1019 (init_decl_processing): Adjust call to
1020 c_common_nodes_and_builtins.
1022 2000-10-18 Marc Espie <espie@openbsd.org>
1024 * tm.texi (LIBGCC_SPEC): Synch with reality.
1026 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
1028 * c-common.c (check_format_types): Check for writing through a
1029 NULL pointer argument.
1031 2000-10-18 Hans-Peter Nilsson <hp@axis.com>
1033 * tm.texi (Exception Region Output): Document
1034 DWARF_CIE_DATA_ALIGNMENT.
1035 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Wrap definition in
1037 [ENABLE_CHECKING] (reg_save): Abort if offset is not a multiple of
1038 DWARF_CIE_DATA_ALIGNMENT.
1040 2000-10-18 Michael Hayes <mhayes@cygnus.com>
1042 * basic-block.h (struct loop): Delete fields pre_header_root
1043 and pre_header_trace and replace with pre_header_edges
1044 and num_pre_header_edges.
1045 * flow.c (flow_loop_dump): Dump pre_header_edges.
1046 (flow_loops_free): Free pre_header_edges.
1047 (flow_loop_pre_header_scan): Calculate pre_header_edges.
1049 2000-10-18 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1051 * contrib.texi: Update references to steering committee members
1052 and Jeff Law's entry.
1054 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
1056 * c-common.c (CPLUSPLUS_STD_VER, C_STD_VER, C_STD_NAME): Define.
1057 (maybe_read_dollar_number, check_format_info_main): Use them for
1058 pedantic warning messages.
1060 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
1062 * c-common.c (check_format_info_main): Minor cleanup: move
1063 variables into inner scopes; initialize declarations where
1064 appropriate; don't hardcode "scanf" name on warning for zero
1067 2000-10-17 Mark Mitchell <mark@codesourcery.com>
1069 * c-common.c (back_end_hook): New variable.
1070 * c-common.h (back_end_hook): Declare it.
1071 * c-lang.c (finish_file): Use it.
1073 * emit-rtl.c (init_emit_once): Initialize the const_int_htab
1076 2000-10-18 Jan Hubicka <jh@suse.cz>
1078 * i386.c (ix86_comparison_operator, put_condition_code,
1079 ix86_match_ccmode, ix86_cc_mode): Handle CCRCmode.
1080 (ix86_expand_strlensi_unroll_1): Use CCRCmode.
1081 * i386.h (EXTRA_CC_MODES): Add CCRCmode.
1082 * i386.md (adddi and negdi splitter): Use CCRCmode.
1083 (add?i_3, add?i_4, add?i_5): Use CCRCmode; swap operands
1084 (subsi3_carry): add '*'
1085 (addsi3_carry_rc, subsi3_carry_rc, x86_movsicc_0_m1_rc): New.
1086 (cmp to add peep2): Use CCRCmode; swap operands.
1088 2000-10-18 Kazu Hirata <kazu@hxi.com>
1090 * h8300.c: Fix a comment typo.
1091 (round_frame_size): New.
1092 (compute_saved_regs): Likewise.
1095 (push_order): Remove.
1096 (pop_order): Likewise.
1097 (function_prologue): Rearrange code for readability.
1098 (function_epilogue): Likewise.
1100 * config/h8300/h8300.md: Remove an unnecessary sign_extend
1101 expander that is used when not optimizing. Output a tab after
1102 each assembly insns.
1104 * reorg.c: Fix formatting.
1106 2000-10-17 Joern Rennecke <amylaar@redhat.co.uk>
1108 * reload1.c (move2add_note_store): Check for simple
1109 auto-inc in destination.
1111 2000-10-17 Michael Chastain <chastain@redhat.com>
1113 * config/i386/i386-aout.h: define INT_ASM_OP.
1115 Tue Oct 17 20:11:08 2000 Alan Modra <alan@linuxcare.com.au>
1117 * pa.c (print_operand): Handle case 'c' for .vtable_inherit
1119 Tue Oct 17 20:05:51 2000 Martin Buchholz <martin@xemacs.org>
1121 * i370.md: Fix spelling typo.
1123 2000-10-17 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1125 * function.c (locate_and_pad_parm): Don't align stack unconditionally.
1126 Fixes execute/20001017-1.c on powerpc-linux-gnu.
1128 * expr.c (store_constructor): Apply MEM_ALIAS_SET to MEMs only.
1129 * rs6000/rs6000.c (rs6000_hash_constant): Use X0INT to access a
1132 * rs6000/rs6000.h (NO_DOLLAR_IN_LABEL, DOLLARS_IN_IDENTIFIERS,
1133 ENCODE_SECTION_INFO, ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Move from
1135 * rs6000/aix.h: ...to here.
1136 * rs6000/linux.h (ASM_APP_ON, ASM_APP_OFF): Define to Linux-style.
1138 2000-10-17 Jakub Jelinek <jakub@redhat.com>
1140 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Reload gp if needed.
1142 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): Always use call, make
1143 sure linker can relax even the delay slot mov %g1,%o7, fix output
1146 2000-10-17 Kazu Hirata <kazu@hxi.com>
1148 * config/h8300/h8300.md: Remove an unnecessary zero_extend
1149 expander that is used when not optimizing. Output a tab after
1150 each assembly insns.
1152 2000-10-17 Chandrakala Chavva <cchavva@redhat.com>
1154 * gcc.c: New options --target-help.
1155 (process_command): Added code to parse this new option.
1156 * toplev.c (display_target_options): New function to support the
1158 * cppinit.c (new_pending_directive) : New option OPT_target__help.
1159 (cpp_handle_option): Support this new option.
1160 * invoke.texi: Added notes about --target-help option.
1162 2000-10-17 Graham Stott <grahams@redhat.com>
1164 * config/i386/i386.md (testqi_1): Add missing operand prefix
1166 * config/i386/i386-protos.h: Add missing prototype.
1168 2000-10-17 Diego Novillo <dnovillo@cygnus.com>
1170 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Symbol
1171 _GLOBAL_OFFSET_TABLE should not have a $ prefix when
1172 using -mintel-syntax.
1174 2000-10-17 Joseph S. Myers <jsm28@cam.ac.uk>
1176 * c-common.c (FMT_FLAG_DOLLAR_MULTIPLE): Define.
1177 (format_types): Use it for printf.
1178 (maybe_read_dollar_number): Add parameter for the kind of format
1179 involved. Warn for multiple use for arguments if this is
1180 inappropriate for the kind of format involved.
1181 (check_format_info_main): Update calls to maybe_read_dollar_number.
1183 2000-10-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1185 * inclhack.def (hpux_maxint): Also apply fix to values.h.
1186 * fixincl.x: Rebuilt.
1188 2000-10-17 Alexandre Oliva <aoliva@redhat.com>
1190 * genrecog.c (write_switch): Return the first condition that needs a
1193 2000-10-17 Bernd Schmidt <bernds@redhat.co.uk>
1195 * c-tree.h (warn_sequence_point): Move declaration to...
1196 * c-common.h (warn_sequence_point): ... here.
1197 * c-decl.c (warn_sequence_point): Move definition to...
1198 * c-common.c (warn_sequence_point): ... here.
1199 (struct reverse_tree): New.
1200 (reverse_list, reverse_max_depth): New static variables.
1201 (build_reverse_tree, common_ancestor, modify_ok
1202 verify_sequence_points): New functions.
1203 (c_expand_expr_stmt): Call verify_sequence_points if -Wsequence-point.
1204 * c-typeck.c (check_modify_expr): Delete.
1205 (build_modify_expr): Don't call it.
1207 2000-10-17 Joseph S. Myers <jsm28@cam.ac.uk>
1209 * c-common.h (warn_missing_format_attribute): New variable.
1210 * c-decl.c (warn_missing_format_attribute): New variable.
1211 (c_decode_option): Decode -Wmissing-format-attribute and
1212 -Wno-missing-format-attribute.
1213 * c-common.c (check_function_format): If
1214 -Wmissing-format-attribute, give a warning where a vprintf or
1215 vscanf function is called by a function without its own printf or
1217 * toplev.c (documented_lang_options): Add
1218 -Wmissing-format-attribute.
1219 * invoke.texi: Document -Wmissing-format-attribute.
1221 2000-10-17 Marc Espie <espie@openbsd.org>
1223 * invoke.texi (-shared): Insist on requiring code generation flags
1224 to be used along with -shared, and document the subtle failure that
1225 may occur otherwise.
1227 2000-10-16 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1229 * pa.md (return_internal): Move `use' after `return'.
1231 2000-10-16 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
1233 * machmode.def: Correct comment.
1235 2000-10-16 Rodney Brown <RodneyBrown@mynd.com>
1237 * print-rtl.c (print_rtx_head): Constify.
1238 * rtl.h (print_rtx_head): Similarly.
1240 * config/pa/pa/pa-protos.h (output_64bit_and, output_64bit_ior):
1241 Constify char * return value.
1243 (output_64bit_and, output_64bit_ior): Constify char * return value.
1244 (pa_can_combine_p): Make static.
1245 (function_arg): Decorate unused `named' argument. Fix comment typo.
1246 (function_arg_partial_nregs): Decorate unused `named' argument.
1248 2000-10-16 Joseph S. Myers <jsm28@cam.ac.uk>
1250 * c-common.c (format_check_results): New structure.
1251 (finish_dollar_format_checking): Adjust to take a
1252 format_check_results * parameter.
1253 (check_format_info, check_format_info_recurse,
1254 check_format_info_main): Split check_format_info into three
1255 functions, the main checking going in check_format_info_main.
1256 Recurse when any reduction of the format string argument towards a
1257 string literal is done; go down both branches of a conditional
1258 expression. Don't warn for extra format arguments or empty format
1259 strings if they only occur in some branches of a conditional
1262 2000-10-16 Kazu Hirata <kazu@hxi.com>
1264 * config/h8300/h8300.c: Remove obstack. Include ggc.h.
1266 2000-10-16 Jakub Jelinek <jakub@redhat.com>
1268 * rtlanal.c (may_trap_p): Check operand modes of COMPARE.
1270 2000-10-15 Diego Novillo <dnovillo@cygnus.com>
1272 * i386.md (*movsi_or): Switch operand order for intel syntax.
1274 2000-10-14 Joseph S. Myers <jsm28@cam.ac.uk>
1278 * gcc.texi (Contributing): Update.
1280 2000-10-13 Diego Novillo <dnovillo@cygnus.com>
1282 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Output final jump using
1283 appropriate assembler dialect.
1285 2000-10-13 Alexandre Oliva <aoliva@redhat.com>
1287 * c-common.c (c_expand_builtin): PARAMS-ize prototype.
1289 2000-10-12 Marek Michalkiewicz <marekm@linux.org.pl>
1291 * config/avr/avr.c (output_movhi, output_movsisf): Fix loading
1292 constants 1 and 2 to NO_LD_REGS.
1294 2000-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1296 * Makefile.in (c-parse.c, tradcif.c): Create atomically.
1298 * objc/Make-lang.in (objc-parse.c): Likewise.
1300 2000-10-13 Richard Earnshaw <rearnsha@arm.com>
1302 * arm.c: Include obstack.h
1303 (minipool_obstack, minipool_startobj): Define.
1304 (arm_add_gc_roots): Initialize them.
1305 (create_fix_barrier): Use our new obstack.
1306 (push_minipool_barrier, push_minipool_fix): Likewise.
1307 (arm_reorg): Release obstack memory.
1309 2000-10-13 Jakub Jelinek <jakub@redhat.com>
1311 * config/sparc/sparc.md (nonlocal_goto_receiver): Remove.
1312 (prologue, exception_receiver, builtin_setjmp_receiver): New
1314 * config/sparc/sparc.h (FINALIZE_PIC): Remove.
1315 * config/sparc/sparc-protos.h (finalize_pic): Remove.
1316 (load_pic_register): New prototype.
1317 * config/sparc/sparc.c (pic_setup_code): Remove.
1318 (finalize_pic): Rename to...
1319 (load_pic_register): ...this function.
1320 Don't look for nonlocal_goto_receivers and emit pic setup code
1321 directly. Don't check current_function_uses_pic_offset_table.
1323 2000-10-13 Richard Earnshaw <rearnsha@arm.com>
1325 * tree.h (struct obstack): Declare.
1327 2000-10-12 Mark Mitchell <mark@codesourcery.com>
1330 * Makefile.in (ggc-callbacks.o): Remove target.
1331 (flow.o): Depend on GGC_H.
1332 * alias.c (init_alias_analysis):
1333 Remove ggc_p conditionals.
1334 (end_alias_analysis): Likewise.
1335 * basic-block.h (init_flow): New function.
1336 (allocate_reg_life_data): Declare.
1337 * bb-reorder.c (function_obstack): Replace with ...
1338 (flow_obstack): ... new variable.
1339 (fixup_reorder_chain): Use it.
1340 * c-decl.c (ggc_p): Remove.
1341 (caller-save.c): Don't call oballoc/obfree.
1343 undobuf): Remove storage.
1344 (try_combine): Don't call oballoc.
1345 (undo_all): Don't call obfree.
1346 * cse.c (insert): Use xmalloc, not
1348 (cse_main): Adjust accordingly.
1349 * dwarf2out.c (save_rtx): Remove
1351 (dwarf2out_init): Remove ggc_p conditionals.
1352 * emit-rtl.c (rtl_obstack): Remove.
1353 (gen_rtx_CONST_INT): Remove ggc_p conditionals.
1354 (make_insn_raw): Likewise.
1355 (emit_insn_before): Likewise.
1356 (emit_insn_after): Likewise.
1357 (emit_insn): Likewise.
1358 (gen_sequence): Likewise.
1359 (copy_insn_1): Remove handling of `b' RTL components.
1360 (init_emit_once): Remove ggc_p conditionals.
1361 * except.c (create_rethrow_ref): Don't fool with obstacks.
1362 (add_partial_entry): Likewise.
1363 (call_get_eh_context): Likewise.
1364 (begin_protect_partials): Likewise.
1365 (protect_with_terminate): Likewise.
1367 (plus_constant_wide): Likewise.
1368 * expr.c (init_expr_once):
1370 (emit_block_move): Likewise.
1371 (clear_storage): Likewise.
1372 (expand_expr): Likewise.
1373 * flow.c (function_obstack): Remove.
1374 (flow_obstack): New variable.
1375 (flow_firstobj): Likewise.
1376 (create_base_block): Use the flow_obstack.
1377 (split_block): Likewise.
1378 (split_edge): Likewise.
1379 (calculate_global_regs_live): Likewise.
1380 (allocate_bb_life_data): Make it static. Likewiwse.
1381 (init_flow): New function.
1382 (size_int_type_wide): Remove ggc_p conditionals.
1384 (push_function_context_to): Don't call save_tree_status.
1385 (pop_function_context_from): Or restore_tree_status.
1386 (assign_stack_local_1): Don't call push_obstacks.
1387 (find_fixup_replacement): Use xmalloc.
1388 (fixup_var_refs_insns): Free the storage.
1389 (insns_for_mem_walk): Don't mess with obstacks.
1390 (instantiate_decls): Likewise.
1391 (trampoline_address): Likewise.
1392 (expand_function_end): Likewise.
1393 * function.h (sturct function):
1394 Remove obstack-related variables.
1395 (save_tree_status): Don't declare.
1396 (restore_tree_status): Likewise.
1397 * gcse.c (compute_can_copy):
1398 Don't call oballoc/obfree.
1399 * genattrtab.c (operate_exp): Remove
1401 (simplify_cond): Likewise.
1402 (simplify_test_exp): Don't mess with obstacks.
1403 (optimize_attrs): Likewise.
1404 * gengenrtl.c (gendef): Don't include
1406 * ggc-callbacks.c (ggc_p): Remove.
1407 * ggc-none.c (ggc_p): Remove.
1408 * ggc.h (ggc_p): Don't declare.
1409 * integrate.c (save_for_inline): Don't mess with obstacks.
1410 (integrate_decl_tree): Likewise.
1411 (output_inline_function): Likewise.
1413 (init_EXPR_INSN_LIST_cache): Likewise.
1414 * loop.c (temp_obstack):
1416 (rtl_obstack): Likewise.
1417 (init_loop): Don't mess with obstacks.
1418 (reg_address_cost): Free BIVs and GIVs.
1419 (check_insns_for_bivs): Use xmalloc, not oballoc.
1420 (find_mem_givs): Likewise.
1421 (record_biv): Likewise.
1422 (general_induction_var): Likewise.
1423 (product_cheap_p): Likewse.
1424 * optabs.c (init_one_libfunc): Remove
1426 * print-tree.c (debug_tree): Don't use
1428 (print_node): Likewise.
1429 * profile.c (output_func_start_profiler):
1430 Remove call to temporary_allocation.
1432 (eliminate_regs_in_insn): Don't mess with obstacks.
1434 (mark_target_live_regs): Use xmalloc.
1435 (free_resource_info): Free the memory.
1436 * rtl.c (rtl_obstack):
1438 (rtvec_alloc): Don't mess with obstacks.
1439 (rtx_alloc): Likewise.
1441 (copy_rtx): Don't handle `b' cases.
1442 (read_rtx): Use a local rtl_obstack.
1443 * rtl.h (oballoc): Remove.
1445 (pop_obstacks): Likewise.
1446 (push_obstacks): Likewise.
1447 (allocate_bb_life_data): Likewise.
1448 (allocate_reg_life_data): Likewise.
1449 (rtx_free): Likewise.
1450 * sdbout.c (sdbout_queue_anonymous_type):
1451 Use tree_cons, not saveable_tree_cons.
1453 (cselib_init): Don't mess with obstacks.
1455 (mark_block_nesting): Mark the label_chain.
1456 (epxand_label): Use ggc_alloc, not oballoc.
1457 (clear_last_expr): Don't mess with obstacks.
1458 (expand_decl_cleanup): Likewise.
1459 (expand_dcc_cleanup): Likewise.
1460 (expand_dhc_cleanup): Likewise.
1461 (expand_anon_union_decl): Likewise.
1462 (add_case_node): Use xmalloc, not oballoc.
1463 (free_case_nodes): New function.
1464 (expand_end_case): Call it.
1465 * stor-layout.c (layout_type): Don't
1467 (layout_type): Likewise.
1468 * toplev.c (wrapup_global_declarations):
1470 (compile_file): Remove ggc_p conditionals.
1471 (rest_of_compilation): Call init_flow. Remove ggc_p conditionals.
1472 (decode_f_option): Remove ggc_p conditionals.
1474 (function_maybepermanent_obstack): Remove.
1475 (maybepermanent_obstack): Likewise.
1476 (function_obstack): Likewise.
1477 (tmeporary_obstack): Likewise.
1478 (momentary_obstack): Likewise.
1479 (temp_decl_obstack): Likewise.
1480 (saveable_obstack): Likewise.
1481 (rtl_obstack): Likewise.
1482 (current_obstack): Likewise.
1483 (expression_obstack): Likewise.
1484 (struct obstack_stack): Likewise.
1485 (obstack_stack): Likewise.
1486 (obstack_stack_obstack): Likewise.
1487 (maybepermanent_firstobj): Likewise.
1488 (temporary_firstobj): Likewise.
1489 (momentary_firstobj): Likewise.
1490 (temp_decl_firstobj): Likewise.
1491 (momentary_function_firstobj): Likewise.
1492 (all_types_permanent): Likewise.
1493 (struct momentary_level): Likewise.
1494 (momentary_stack): Likewise.
1495 (init_obstacks): Remove initialization of removed obstacks.
1496 (save_tree_status): Remove.
1497 (restore_tree_status): Likewise.
1498 (temporary_allocation): Liekwise.
1499 (end_temporary_allocation): Liekwise.
1500 (resume_temporary_allocation): Likewise.
1501 (saveable_allocation): Likewise.
1502 (push_obstacks): Likewise.
1503 (push_obstacks_nochange): Likewise.
1504 (pop_obstacks): Likewise.
1505 (allocation_temporary_p): Likewise.
1506 (permanent_allocation): Likewise.
1507 (preserve_data): Likewise.
1508 (preserve_initializer): Likewise.
1509 (rtl_in_current_obstack): Likewise.
1510 (rtl_in_saveable_obstack): Likewise.
1511 (oballoc): Likewise.
1513 (savealloc): Likewise.
1514 (expralloc): Likewise.
1515 (print_obstack_name): Likewise.
1516 (debug_obstack): Likewise.
1517 (object_permanent_p): Likewise.
1518 (push_momentary): Likewise.
1519 (perserve_momentary): Likewise.
1520 (clear_momentary): Likewise.
1521 (pop_momentary): Likewise.
1522 (pop_momentary_nofree): Likewise.
1523 (suspend_momentary): Likewise.
1524 (resume_momentary): Likewise.
1525 (make_node): Don't set TREE_PERMANENT.
1526 (copy_node): Remove ggc_p conditionals. Don't set TYPE_OBSTACK.
1527 Don't set TREE_PERMANENT.
1528 (get_identifier): Remove ggc_p conditionals.
1529 (build_string): Likewise.
1530 (make_tree_vec): Likewise.
1531 (build_decl_list): Remove.
1532 (build_expr_list): Likewise.
1533 (tree_cons): Remove ggc_p conditionals.
1534 (decl_tree_cons): Remove.
1535 (expr_tree_cons): Likewise.
1536 (perm_tree_cons): Likewise.
1537 (temp_tree_cons): Likewise.
1538 (saveable_tree_cons): Likewise.
1539 (build1): Remove ggc_p conditionals.
1540 (build_parse_node): Likewise.
1541 (build_type_attribute_variant): Don't mess with obstacks.
1542 (build_type_copy): Likewise.
1543 (type_hash_canon): Likewise.
1544 (build_pointer_type): Likewise.
1545 (build_reference_type): Likewise.
1546 (build_index_type): Likewise.
1547 (build_range_type): Likewise.
1548 (dump_tree_statistics): Don't print obstack information.
1550 (struct tree_common): Remove permanent_flag.
1551 (TREE_PERMANENT): Remove.
1552 (TREE_SET_PERMANENT): Likewise.
1553 (TYPE_OBSTACK): Likewise.
1554 (struct tree_type): Remove obstack.
1556 (savealloc): Likewise.
1557 (build_decl_list): Likewise.
1558 (build_expr_list): Likewise.
1559 (perm_tree_cons): Likewise.
1560 (temp_tree_cons): Likewise.
1561 (saveable_tree_cons): Likewise.
1562 (decl_tree_cons): Likewise.
1563 (expr_tree_cons): Likewise.
1564 (suspend_momentary): Likewise.
1565 (allocation_temporary_p): Likewise.
1566 (resume_momentary): Likewise.
1567 (push_obstacks_nochange): Likewise.
1568 (permanent_allocation): Likewise.
1569 (push_momentary): Likewise.
1570 (clear_momentary): Likewise.
1571 (pop_momentary): Likewise.
1572 (end_temporary_allocation): Likewise.
1573 (pop_obstacks): Likewise.
1574 (push_obstacks): Likewise.
1575 (pop_momentary_nofree): LIkewise.
1576 (preserve_momentary): Likewise.
1577 (saveable_allocation): Likewise.
1578 (temporary_allocation): Likewise.
1579 (resume_temporary_allocation): Likewise.
1580 (perserve_initializer): Likewise.
1581 (debug_obstack): Likewise.
1582 (rtl_in_current_obstack): Likewise.
1583 (rtl_in_saveable_obstack): Likewise.
1585 * varasm.c (current_obstack): Remove.
1586 (saveable_obstack): Remove.
1587 (rtl_obstack): Remove.
1588 (immed_double_const): Don't mess with obstacks.
1589 (immed_real_cons): Likewise.
1590 (output_constant_def): Likewise.
1591 (init_varasm_status): Use xcalloc.
1592 (mark_pool_constant): Mark the pool constant itself.
1593 (free_varasm_status): Free memory.
1594 (decode_rtx_const): Call bzero directly, rather than expanding it
1596 (record_rtx_const): Don't mess with obstacks.
1597 (force_const_mem): Likewise.
1598 * config/arm/arm.c (arm_encode_call_attribute): Remove ggc_p
1600 (aof_pic_entry): Likewise.
1601 * config/ia64/ia64.c (ia64_encode_section_info): Likewise.
1602 * config/m32r/m32r.c (m32r_encode_section_info): Likewise.
1603 * config/pa/pa.c (saveable_obstack): Remove.
1604 (rtl_obstack): Likewise.
1605 (current_obstack): Likewise.
1606 (output_call): Don't mess with obstacks.
1607 (hppa_encode_label): Remove ggc_p conditionals.
1608 * config/romp/romp.c (get_symref): Don't mess with obstacks.
1609 * config/rs6000/rs6000.c (output_toc): Remove ggc_p conditional.
1610 (rs6000_encode_section_info): Likewise.
1611 * config/sh/sh.c (get_fpscr_rtx): Likewise.
1613 Thu Oct 12 16:02:31 MET DST 2000 Jan Hubicka <jh@suse.cz>
1615 * i386.md (adddi3, subdi3 splitters): Update for new pattern.
1616 (addsi3_cc, addqi3_cc, subsi3_cc): Remove
1617 (addsi3_carry): Canonicalize.
1618 (addqi_5): Remove '*'.
1619 (sbb pattern): Canonicalize.
1621 * i386.md (cmp to inc/add peep2): New.
1623 2000-10-12 Richard Earnshaw <rearnsha@arm.com>
1625 * bb-reorder.c (reorder_basic_blocks): Allocate an aux block for
1628 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
1630 * gcc.texi: Merge in contents of README.TRAD and TESTS.FLUNK.
1631 * README.TRAD, TESTS.FLUNK: Remove.
1633 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
1635 * c-common.c (decl_attributes): Don't allow strftime formats with
1636 first_arg_num nonzero.
1637 (check_format_info): Set wanted_type and wanted_type_name to zero
1638 before they are possibly assigned and used.
1640 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
1642 * c-common.c (scanf_flag_specs): Add flags ' and I.
1643 (strftime_flag_pairs): Disallow any pair of the _, - and 0 flags,
1644 or the ^ and # flags together.
1645 (scan_char_table): Handle the ' and I flags.
1646 (format_types): Add ' and I flags for scanf.
1648 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
1650 * c-common.c (print_char_table): Use the unpromoted type for
1651 lengths "h" and "hh" with conversions dioxXu.
1652 (check_format_types): Apply the default argument promotions where
1653 the wanted type is not a pointer target.
1655 2000-10-11 Michael Meeks <mmeeks@gnu.org>
1656 Joseph S. Myers <jsm28@cam.ac.uk>
1658 * c-typeck.c (check_modify_expr): New function.
1659 (build_modify_expr): Call it if warn_sequence_point.
1660 * c-decl.c (warn_sequence_point): New variable.
1661 (c_decode_option): Handle -Wsequence-point and
1662 -Wno-sequence-point. Enable -Wsequence-point as part of -Wall.
1663 * c-tree.h (warn_sequence_point): Declare.
1664 * invoke.texi (-Wsequence-point): Document.
1665 * toplev.c (documented_lang_options): Add -Wsequence-point and
1666 -Wno-sequence-point.
1667 Original work by Michael Meeks, 16 Jun 1998.
1669 Wed Oct 11 06:15:41 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1671 * tree.c (get_narrower): Don't look at precision of field if
1674 Tue Oct 10 23:14:33 2000 Denis Chertykov <denisc@overta.ru>
1676 * config/avr/avr.c (valid_machine_decl_attribute): Allow `extern'
1677 declaration for data with "progmem" attribute.
1679 2000-10-09 Marek Michalkiewicz <marekm@linux.org.pl>
1681 * config/avr/avr.c (out_shift_with_cnt): Use AS2 macro.
1682 Correct insn length if shift count is a memory operand.
1683 * config/avr/avr.md: New define_peephole2 to use *reload_inqi.
1684 (*iorhi3_clobber): Change lo8 to hi8.
1685 (zero_extendhisi2): Change %B0 to %A1.
1686 (ashlhi3, ashrhi3): Correct insn length.
1687 (andhi3, abssf2, extendqisi2, extendhisi2): Change "cc"
1688 from "clobber" to "set_n" in some alternatives.
1690 2000-10-10 Jakub Jelinek <jakub@redhat.com>
1692 * reload1.c (calculate_needs_all_insns): If deleting an instruction,
1693 remove its insn_chain structure as well.
1695 2000-10-09 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1697 * dbxout.c (dbxout_source_line): Remove extra tab.
1699 2000-10-09 Hans-Peter Nilsson <hp@bitrange.com>
1701 * config/elfos.h (UNIQUE_SECTION): Apply STRIP_NAME_ENCODING on name.
1703 2000-10-09 Richard Henderson <rth@cygnus.com>
1705 * Makefile.in (LANG_LIB2FUNCS): Remove.
1706 (LIB2FUNCS): Remove _pure.
1707 (LIB2ADD): Remove LANG_LIB2FUNCS.
1708 (stage_a): Don't set LANG_LIB2FUNCS.
1709 * libgcc2.c (__terminate): Mark noreturn.
1710 (__pure_virtual): Remove.
1711 * mklibgcc.in: Remove LIB2ADD .txt processing.
1713 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
1715 * arm.md (push_multi): Revert unintended change.
1717 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
1719 * arm.c: Miscellaneous white space and comment clean-ups. No
1723 2000-10-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1725 * c-common.c (c_expand_builtin_printf): Set the TREE_TYPE of a new
1726 STRING_CST by calling combine_strings.
1728 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
1730 * arm.c (thumb_expand_movstrqi): Rewrite to support SSA form.
1731 (thumb_output_move_mem_multiple): Support new insn format.
1732 * arm.md (movmem12b): Use SSA compatible format.
1733 (movmem8b): Likewise.
1735 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
1737 * arm.md (predicable): New attribute, default to "no".
1738 (all patterns): Mark as predicable if appropriate.
1739 (conditional execution splits): Split using predication format.
1740 (define_cond_exec): Define.
1741 * arm.c (arm_print_operand): handle insn predicate.
1743 2000-10-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1745 * README.NS32K: Remove file.
1747 2000-10-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1749 * README-bugs: Remove file.
1751 2000-10-08 Philipp Thomas <pthomas@suse.de>
1752 * aclocal.m4 (AM_GNU_GETTEXT): Fix non portable use of == operator
1754 * configure: Rebuilt.
1756 2000-10-08 Philipp Thomas <pthomas@suse.de>
1757 * aclocal.m4 (AM_WITH_NLS): When not using included gettext,
1758 disable catalog building if no suitable program was found.
1759 Move warning message from here
1760 (AM_GNU_GETTEXT): To here.
1761 * configure: Rebuilt.
1763 2000-10-08 Philipp Thomas <pthomas@suse.de>
1764 * aclocal.m4 (GCC_PATH_PROG): New. Like AC_PATH_PROG but uses
1765 different cache variables.
1766 (GCC_PATH_PROG_WITH_TEST): New. Like AM_PATH_PROG_WITH_TEST but
1767 uses different cache variables.
1768 (AM_WITH_NLS): Use GCC_PATH_PROG and GCC_PATH_PROG_WITH_TEST.
1769 * configure: Regenerated.
1771 2000-10-08 Richard Henderson <rth@cygnus.com>
1773 * Makefile.in (libgcc.mk): Pass SHLIB_EXT, not SHLIB_LIBS.
1774 * configure.in (sparc*-*-solaris*): Use t-slibgcc{,-sld}.
1775 * mklibgcc.in: Consider SHLIB_LINK the entire shlib build command.
1778 * config/t-linux (SHLIB_EXT): New.
1779 (SHLIB_LINK): Use the entire build command, with substitutions.
1780 (SHLIB_LIBS): Remove.
1781 * config/alpha/t-osf4: Likewise.
1782 * config/mips/t-iris6: Likewise.
1783 * config/sparc/t-sol2: Likewise, but move shlib stuff...
1784 * config/sparc/t-slibgcc-sld: ...here.
1785 * config/sparc/t-slibgcc: New file.
1787 2000-10-08 Joseph S. Myers <jsm28@cam.ac.uk>
1789 * tm.texi (INTMAX_TYPE, UINTMAX_TYPE): Define.
1790 * c-common.h (enum c_tree_index): Add CTI_INTMAX_TYPE and
1792 (intmax_type_node, uintmax_type_node): Define.
1793 * c-common.c (decl_attributes): If pedantic, warn if `mode'
1794 attributes create a type wider than intmax_t.
1795 (T_IM, T_UIM): Define properly.
1796 * c-decl.c (INTMAX_TYPE, UINTMAX_TYPE): Define if not already
1798 (init_decl_processing): Initialize intmax_type_node and
1800 * c-lex.c (lex_number): When pedantic and warning for integer
1801 constants that are too large, in C99 mode warn for those that have
1802 a type wider than long long.
1804 2000-10-08 Joseph S. Myers <jsm28@cam.ac.uk>
1806 * c-common.c (FMT_FLAG_ARG_CONVERT, FMT_FLAG_SCANF_A_KLUDGE,
1807 FMT_FLAG_FANCY_PERCENT_OK): Define.
1808 (format_char_info): Add flag "4" to comment.
1809 (format_flag_spec, format_flag_pair): New structures.
1810 (format_kind_info): Add additional fields to control format
1812 (printf_flag_specs, printf_flag_pairs, scanf_flag_specs,
1813 scanf_flag_pairs, strftime_flag_specs, strftime_flag_pairs): New
1815 (time_char_table): Use "4" flag to handle %Ey.
1816 (format_types): Add entries for new fields.
1817 (get_flag_spec): New function.
1818 (check_format_info): Increase size of flag_chars[] to 256.
1819 Control format checking using the new fields of a format_kind_info
1820 and the new tables; remove all conditionals on printf_format_type,
1821 scanf_format_type or strftime_format_type. Handle all details of
1822 bad combinations of flags (including width, precision and strftime
1823 modifiers) through data rather than ad hoc code. Handle all
1824 details of standard versions in which flags appeared through
1825 data. Use the "4" flag.
1827 2000-10-07 Will Cohen <wcohen@redhat.com>, Kazu Hirata <kazu@hxi.com>
1829 * config/h8300/h8300.md: Remove the memory alternative and correct
1830 the insn lengths in the templates for sign extention and zero
1833 2000-10-07 Richard Henderson <rth@cygnus.com>
1835 * calls.c (expand_call): Disallow sibcalls to noreturn functions.
1836 * flow.c (make_edges): Revert last change.
1838 * config/alpha/alpha.h (FUNCTION_OK_FOR_SIBCALL): Don't test
1840 * config/pa/pa.h (FUNCTION_OK_FOR_SIBCALL): Likewise.
1842 2000-10-06 David O'Brien <obrien@dragon.nuxi.com>
1844 * config/alpha/elf.h: Standardize the formatting.
1846 2000-10-06 David O'Brien <obrien@FreeBSD.org>
1848 * config/alpha/elf.h: Protect the ASM_OUTPUT_IDENT definition with an
1851 2000-10-06 Richard Henderson <rth@cygnus.com>
1853 * function.c (diddle_return_value): Examine
1854 current_function_return_rtx instead of the DECL_RESULT.
1855 (expand_function_end): Handle reloading DECL_RESULT from memory
1856 into a hard register. Query promote_mode for sign of mismatched
1859 2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
1861 * haifa-sched.c (schedule_insns): Fix typo in freeing
1862 forward_dependency_cache.
1864 2000-10-06 Alexandre Oliva <aoliva@redhat.com>
1866 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): Add
1867 `TARGET_SH2' as a condition.
1869 2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
1871 * haifa-sched.c (anti_dependency_cache, output_dependency_cache,
1872 forward_dependency_cache): New variables.
1873 (add_dependence, remove_dependence): Use anti_dependency_cache and
1874 output_dependency_cache.
1875 (compute_block_forward_dependences): Use forward_dependency_cache.
1876 (schedule_insns): Allocate and free memory for anti/output/forward
1877 dependencies caches.
1879 2000-10-06 Alexandre Oliva <aoliva@redhat.com>
1881 * config/sh/sh.md (call, call_value): Use `TARGET_SH2' instead of
1882 `! TARGET_SH1'. Reindent.
1884 2000-10-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1886 * builtins.c (is_valid_printf_arglist, expand_builtin_printf):
1887 Move functions from here ...
1889 * c-common.c (is_valid_printf_arglist, c_expand_builtin_printf):
1891 (c_expand_builtin): New function.
1892 (init_function_format_info): Don't set `check_function_format_ptr'.
1893 (c_common_nodes_and_builtins): Set built_in_class type for
1894 printf/__builtin_printf to BUILT_IN_FRONTEND.
1895 (c_expand_expr): Handle CALL_EXPRs that are front-end builtins.
1897 * c-common.h (build_function_call): Declare.
1899 * expr.c (expand_expr): Pass builtins with class BUILT_IN_FRONTEND
1900 to `lang_expand_expr' rather than `expand_builtin'.
1902 * tree.c (check_function_format_ptr): Delete.
1904 * tree.h (check_function_format_ptr): Likewise.
1906 2000-10-06 Hans-Peter Nilsson <hp@bitrange.com>
1908 * dwarf2out.c (build_cfa_loc): Correct to use DW_OP_regx or
1909 DW_OP_bregx when cfa->reg > 31.
1911 * frame-dwarf2.c (decode_stack_op) [case DW_OP_regx]: Add missing
1914 2000-10-05 Richard Henderson <rth@cygnus.com>
1916 * c-decl.c (warn_missing_noreturn): Remove.
1917 (c_expand_body): Don't set or check can_reach_end.
1918 * c-tree.h (warn_missing_noreturn): Move ...
1919 * flags.h: ... here.
1920 (can_reach_end): Remove.
1921 * flow.c (check_function_return_warnings): New.
1922 (make_edges): No edge to exit for noreturn sibcalls.
1923 * function.c (expand_function_end): Save the return value
1924 clobber instruction.
1925 (mark_function_status): Mark it.
1926 * function.h (struct function): Add x_clobber_return_insn.
1927 * jump.c (can_reach_end): Remove.
1928 (calculate_can_reach_end): Remove.
1929 (jump_optimize_1): Don't call it.
1930 * output.h (check_function_return_warnings): Declare.
1931 * toplev.c (warn_missing_noreturn): Move from c-decl.c
1932 (rest_of_compilation): Call check_function_return_warnings.
1934 2000-10-05 Richard Henderson <rth@cygnus.com>
1936 * Makefile.in (NM_FOR_TARGET): New.
1937 (libgcc.mk): Pass SHLIB_MKMAP, SHLIB_MAPFILES.
1938 (libgcc.a, stmp-multilib): Pass NM_FOR_TARGET.
1939 * mklibgcc.in: If SHLIB_MKMAP, build libgcc.map. Depend the
1940 shared library build on that and EXTRA_MULTILIB_PARTS.
1941 * mkmap-flat.awk: New file.
1942 * mkmap-symver.awk: New file.
1943 * libgcc-std.ver: New file.
1944 * config/libgcc-glibc.ver: New file.
1945 * config/ia64/libgcc-ia64.ver: New file.
1946 * config/t-linux (SHLIB_MKMAP, SHLIB_MAPFILES): New.
1947 (SHLIB_LINK): Add --version-script.
1948 * config/ia64/t-ia64 (SHLIB_MAPFILES): Add libgcc-ia64.ver.
1949 * config/mips/t-iris6 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
1950 * config/sparc/t-sol2 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
1951 (SHLIB_LINK): Add -M.
1953 2000-10-05 Richard Henderson <rth@cygnus.com>
1955 * Makefile.in (LIB2FUNCS): Add _clz.
1956 * libgcc2.c (__ffsdi2): Use count_trailing_zeros.
1957 (__clz_tab): Put in its own unit, non-static.
1958 * libgcc2.h: Always include longlong.h.
1960 * longlong.h [alpha] (count_leading_zeros): Use cmpbge with
1961 a zero instead of -1.
1962 (count_trailing_zeros): Likewise.
1964 2000-10-05 Richard Henderson <rth@cygnus.com>
1966 * config/alpha/alpha.c (alpha_emit_setcc): Don't swap GT tests
1967 when second op1 is const0_rtx. Validate op0 as a register.
1968 * config/alpha/alpha.md (setcc_internal): Don't allow constants
1969 in the first argument of the compare.
1970 (setcc_swapped_internal): Likewise.
1971 (setne_internal): Likewise.
1973 2000-10-05 Geoff Keating <geoffk@cygnus.com>
1975 * tree.c (tree_size): New function split out of copy_node.
1976 (make_node): Remove obstack handling. Use tree_size.
1977 (copy_node): Use tree_size.
1978 * tree.h: Prototype tree_size.
1980 2000-10-05 Richard Henderson <rth@cygnus.com>
1982 * diagnostic.c (output_format): Add missing break.
1984 2000-10-05 Jim Wilson <wilson@cygnus.com>
1986 * function.c (fixup_var_refs_1, case SET): When gen_move_insn returns a
1987 SEQUENCE, call emit_insn_before, copy PATTERN and REG_NOTES of last
1988 sequence insn to INSN, and delete last sequence insn.
1990 2000-10-05 Phil Edwards <pme@gcc.gnu.org>
1992 * gcc.c (main): Include generated configargs.h header
1993 and use arguments in '-v' output.
1995 Thu Oct 5 16:16:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1997 * gcc.c: Move data on prefixes forward in file and reorganize.
1998 (md_exec_prefix, md_startfile_prefix, md_startfile_prefix_1):
1999 Always define, but make null if no value.
2000 (static_specs): Add "md_exec_prefix", "md_startfile_prefix",
2001 and "md_startfile_prefix_1".
2002 (main): Check whether md_exec_prefix and the others are the
2003 null string rather than whether the macro is defined.
2005 Thu Oct 5 19:04:18 2000 J"orn Rennecke <amylaar@redhat.co.uk>
2007 * (convert_move): Use zero_extendpsisi2 to do an unsigned extension
2008 from PSImode to SImode.
2010 2000-10-05 Jakub Jelinek <jakub@redhat.com>
2012 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETICS]: Fix conversion
2013 from float to integral mode with HOST_BITS_PER_WIDE_INT 64.
2014 * dwarf2out.c (add_const_value_attribute): Divide by 4, not
2017 Thu Oct 5 09:31:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2019 * fold-const.c (fold, case MINUS_EXPR, case EQ_EXPR): Perform
2020 negation in proper type.a
2022 2000-10-04 Richard Henderson <rth@cygnus.com>
2024 * configure.in (enable-shared): New.
2025 * Makefile.in (LIBGCC_DEPS): Depend on EXTRA_PARTS as well.
2026 (libgcc.mk): Pass SHLIB_LINK, SHLIB_LIBS, SHLIB_MULTILIB to mklibgcc.
2027 * mklibgcc.in: Use them to link shared a libgcc.
2028 * config/t-linux (SHLIB_LINK, SHLIB_LIBS): New.
2029 * config/alpha/t-ieee (SHLIB_MULTILIB): New.
2030 * config/mips/t-iris6 (SHLIB_LINK, SHLIB_LIBS): New.
2031 * config/sparc/t-sol2 (SHLIB_LINK, SHLIB_LIBS): New.
2033 * configure.in (alpha-osf*): Use t-osf and x-osf.
2034 * config/alpha/t-osf: New file.
2035 * config/alpha/t-osf4: New file.
2036 * config/alpha/x-osf: New file.
2037 * config/alpha/x-alpha: Remove file.
2039 2000-10-04 Will Cohen <wcohen@redhat.com>
2041 * c-typeck.c (process_init_element): Added warning for zero-length
2044 * extend.texi (Zero Length): State that static initializers for
2045 zero-length arrays are not allowed.
2047 Mon Oct 2 14:50:14 MET DST 2000 Jan Hubicka <jh@suse.cz>
2049 * rtlanal.c (single_set_1): Do not require USE and CLOBBERs
2052 2000-10-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2054 * config/float-c4x.h: New.
2055 * configure.in (c4x-*): Set float_format to c4x.
2056 * configure: Regenerate.
2058 2000-10-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2060 * configure.in (sparc-*-solaris2*): Disable 32-to-64 cross
2061 compilation for solaris versions 2.7 and greater.
2063 2000-10-02 Marc Espie <espie@openbsd.org>
2065 * config/alpha.h (WORD_SWITCH_TAKES_ARG): add -rpath to default,
2066 instead of redefining from scratch.
2068 2000-10-02 David O'Brien <obrien@dragon.nuxi.com>
2070 * config/i386/freebsd.h (NO_PROFILE_COUNTERS): Define.
2072 2000-10-01 Mark Mitchell <mark@codesourcery.com>
2074 * config/ns32k/genix.h: Remove.
2075 * config/ns32k/x-genix: Likewise.
2076 * config/ns32k/xm-genix.h: Likewise.
2077 * config/fx80: Remove all filee in directory.
2078 * config/pyr: Likewise.
2079 * config/tahoe: Likewise.
2080 * config/gmicro: Likewise.
2081 * config/spur: Likewise.
2082 * configure.in: Remove configury bits for above targets.
2083 * configure: Regenerated.
2085 * configure.in: Don't configure chill by default.
2086 * configure: Regenerated.
2088 * c-decl.c (c_expand_body): Don't generate RTL if flag_syntax_only.
2089 (lang_mark_false_label_stack): Remove.
2090 * c-lex.c (init_c_lex): Add file_info_tree as GC root. Allocate
2091 <top level> string in GC area.
2092 (mark_splay_tree_node): New function.
2093 (mark_splay_tree): Likewise.
2094 * except.c (mark_eh_status): Only call lang_mark_false_label_stack
2096 * ggc-callbacks.c (lang_mark_false_label_stack): Remove.
2097 * ggc-common.c (lang_mark_false_label_stack): Change type.
2098 * ggc.h (ggc_alloc_string): Add comment.
2099 (ggc_strdup): New function.
2101 Sat Sep 23 19:10:20 2000 Denis Chertykov <denisc@overta.ru>
2103 * config/avr/avr.h (BRANCH_COST): Define as 0.
2105 * config/pdp11/pdp11.c: #include "tree.h" added.
2107 2000-09-30 Marek Michalkiewicz <marekm@linux.org.pl>
2109 * config/avr/avr.c (ashlhi3_out, ashlsi3_out, ashrhi3_out,
2110 ashrsi3_out, lshrhi3_out, lshrsi3_out): Optimize more cases
2111 with known shift count.
2112 * config/avr/avr.md (ashlsi3, ashrsi3, lshrsi3):
2113 New alternative for shift count 2 with no scratch register.
2114 (ashlhi3, ashlsi3): Change "cc" attribute from "clobber" to
2115 "set_n" for shift counts 1 and 2.
2117 2000-09-30 Geoff Keating <geoffk@cygnus.com>
2119 * config/rs6000/rs6000.md (movsi_to_cr): Remove the USE. Calculate
2120 the mask value from the individual SET operations.
2121 (return_internal_si): Move the USE after the RETURN.
2122 (return_internal_di): Likewise.
2123 (return_and_restore_fpregs_si): Likewise.
2124 (return_and_restore_fpregs_di): Likewise.
2125 (return_eh_si): Likewise.
2126 (return_eh_di): Likewise.
2127 * config/rs6000/rs6000.c (mtcrf_operation): Don't look for,
2129 (rs6000_emit_prologue): Don't emit the USE for movsi_to_cr.
2130 Don't generate a PARALLEL around a single operation movsi_to_cr.
2131 Generate the RETURN first in any PARALLELs.
2133 * rtlanal.c (single_set_1): Use fatal_insn to display the
2134 invalid insn. Check for more cases when a USE or CLOBBER occurs
2136 * Makefile.in: Update dependencies for rtlanal.o.
2138 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
2140 * i386.c: Move include of "config.h" to before that of <setjmp.h>.
2142 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
2144 * c-tree.texi, contrib.texi, gcc.texi, install.texi, invoke.texi:
2145 Consistently use @email for formatting email addresses.
2147 2000-09-29 Richard Henderson <rth@cygnus.com>
2149 * cse.c (notreg_cost): New argument outer.
2150 (COST): Pass in SET to notreg_cost
2152 (fold_rtx): Use COST_IN. Prefer constants when costs
2155 2000-09-29 David Edelsohn <edelsohn@gnu.org>
2157 * fixinc/inclhack.def (broken_cabs): Generalize regex.
2158 * fixinc/fixincl.x: Regenerate.
2160 2000-09-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2162 * loop.c (check_final_value): A GIV is not replaceable if used
2165 Fri Sep 29 10:04:12 2000 Jeffrey A Law (law@cygnus.com)
2167 * version.c: Bump to gcc-2.97.
2169 Frs Sep 29 13:37:59 MET DST 2000 Jan Hubicka <jh@suse.cz>
2171 * final.c (final_scan_insn): Remove extra extract_insn call;
2172 Use caching for constrain_operands.
2173 (cleanup_subreg_operands): Use caching for extract_insn.
2174 * recog.c (constrain_operands_cached): New.
2175 * recog.h (constrain_operands_cached): Declare.
2176 * i386.c (ix86_attr_length_immediate_default,
2177 ix86_attr_length_address_default, ix86_agi_dependant): Cache
2180 * recog.c (asm_noperands): Tweak.
2181 (extract_insn): Do not call asm_noperads for non-asm instructions.
2183 Fri Sep 29 13:20:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
2185 * recog.c (recog_memoized): Rename to recog_memoized_1.
2186 * recog.h (recog_memoized): Rename to recog_memoized_1.
2187 (recog_memoized): New macro.
2188 * rtl.h (single_set): Rename to single_set_1
2189 (single_set): New macro.
2190 * rtlanal.c (single_set): Rename to single_set_1; expect clobbers
2193 * i386.md (strmovsi_1, strmovhi_1 strmovqi_1):
2194 Do not use match_dup of input operands at outputs.
2195 Use register_operand for memory expression.
2196 (rep_movsi): Put use last, canonicalize.
2197 Use register_operand for memory expression.
2198 (rep_movqi): Put use last.
2199 Use register_operand for memory expression.
2200 (strsetsi_1, strset_hi_1, strsetqi_1): Do not use match_dup
2201 of input operands at outputs. Use register_operand for memory
2203 (rep_stossi): Put use last; canonicalize; fix match_dup in
2204 the address expression
2205 (rep_stosqi): Likewise.
2206 (memcmp expander): Update calls.
2207 (cmpstrsi_nz_1, cmpstrsi_1, strlensi_1): Avoid match_dups in
2210 * i386.md (fp_jcc_3, fp_jcc_4, jp_fcc_5): if_then_else operand is
2212 (fp_jcc_4, fp_jcc_3): Refuse unordered comparisons.
2214 2000-09-28 David O'Brien <obrien@FreeBSD.org>
2216 * config/i386/freebsd-aout.h: New, FreeBSD a.out config file.
2217 Contains the old contents of config/i386/freebsd.h
2218 * config/i386/freebsd.h: Now the ELF rather than a.out config file.
2219 Contains the old contents of config/i386/freebsd-elf.h
2220 * config/i386/freebsd-elf.h: Retire this file -- contents moved to
2221 config/i386/freebsd.h.
2222 * configure.in: Adjust for above changes.
2223 * po/POTFILES.in: Likewise.
2224 * po/en_GB.po: Likewise.
2225 * po/gcc.pot: Likewise.
2226 * configure: Rebuilt.
2228 2000-09-28 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2230 * doloop.c (doloop_modify): Prevent delete_insn() from
2231 deleting too much. Prefer loop->top over loop->start as
2232 target for the new JUMP insn.
2233 (doloop_valid_p): Ignore loop with exit_count != 0.
2235 2000-09-28 Philipp Thomas <pthomas@suse.de>
2237 * invoke.texi (i386 Options): Add athlon to table of possible
2240 2000-09-28 Gabriel Dos Reis <gdr@codesourcery.com>
2242 * diagnostic.h (output_clear_message_text): New function.
2243 (output_message_text): New macro.
2245 * diagnostic.c (clear_text_info): Rename to
2246 output_clear_message_text.
2247 (output_clear): Adjust.
2248 (output_finish): Rename to output_finalize_message. Tweek.
2249 (output_to_stream): Adjust.
2251 2000-09-28 Neil Booth <neilb@earthling.net>
2253 * cpperror.c (_cpp_begin_message): Do the test for suppression
2254 of warnings and pedantic warnings before the "is a warning an
2256 * cppinit.c (cpp_handle_option): Remove surplus \n.
2257 * cpplex.c (ON_REST_ARG): Delete.
2258 (skip_block_comment): Initialise prevc.
2259 (parse_args): Improve error messages.
2260 (maybe_paste_with_next): Use CONTEXT_VARARGS rather
2262 * cpplib.c (cpp_push_buffer): Fix grammar in message.
2263 * cppmain.c (main): Set callbacks for #ident and #pragma
2264 only if no_output option is false.
2265 (do_pragma_implementation): Only call the #pragma handler
2266 if it is set in the cpp_reader structure.
2268 Wed Sep 27 14:00:07 2000 Donald Lindsay <dlindsay@cygnus.com>
2270 * integrate.c (copy_insn_list): if an ignored return value
2271 is being clobbered, skip cloning that into the inline copy.
2273 2000-09-27 Joseph S. Myers <jsm28@cam.ac.uk>
2275 * extend.texi, invoke.texi, gcc.texi, install.texi: Consistently
2276 use @uref for formatting URLs.
2278 2000-09-27 Mark Elbrecht <snowball3@bigfoot.com>
2280 * config/i386/djgpp.h (UNIQUE_SECTION): Constify the variables
2283 Tue 26-Sep-2000 18:25:38 BST Neil Booth <neilb@earthling.net>
2285 * gcc.c (cpp_options): Add spec for -ftabstop=.
2286 (invoke_as): New spec that handles invoking as.
2287 Update specs to handle -save-temps and -traditional.
2288 * ch/lang-specs.h, f/lang-specs.h, java/lang-specs.h:
2290 * cp/lang-specs.h, objc/lang-specs.h: Update to use
2291 invoke_as, and handle -save-temps and -traditional (if
2294 2000-09-26 Jakub Jelinek <jakub@redhat.com>
2296 * config/sparc/sparc.c (sparc_emit_set_const64): Don't abort when
2298 (function_arg_slotno): Accept TImode/CTImode.
2299 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): If IN_LIBGCC2 define
2302 2000-09-26 Michael Hayes <mhayes@cygnus.com>
2304 * flow.c (flow_loop_pre_header_scan): Punt if loop enters
2307 2000-09-25 Jim Wilson <wilson@cygnus.com>
2309 * config/ia64/ia64.h (INDEX_REG_CLASS): Define to GENERAL_REGS.
2310 (REGNO_OK_FOR_INDEX_P): Define to REGNO_OK_FOR_BASE_P.
2311 (LEGITIMATE_ADDRESS_DISP): Use LEGITIMATE_ADDRESS_REG.
2312 (REG_OK_FOR_INDEX): Define to REG_OK_FOR_BASE_P.
2314 Tue 26-Sep-2000 00:16:22 BST Neil Booth <neilb@earthling.net>
2316 * cpplex.c (parse_args): Don't set VOID_REST flag.
2317 (CONTEXT_VARARGS): New flag.
2318 (maybe_paste_with_next): Set context earlier in loop. Use
2319 it. Do varargs test with CONTEXT_VARARGS flag.
2320 (push_arg_context): Set CONTEXT_VARARGS flag if we're
2321 pushing an argument context for a varargs argument.
2322 * cpplib.h (VOID_REST): Delete.
2323 * gcc.dg/cpp/vararg1.c: Add test case.
2325 2000-09-25 Branko Cibej <branko.cibej@hermes.si>
2327 * flags.h: Declare warning flag warn_system_headers.
2328 * toplev.c: Define it.
2329 (W_options): Add option -Wsystem-headers.
2330 * diagnostic.c (count_error): Test warn_system_headers.
2331 * invoke.texi: Add description for -Wsystem-headers.
2332 * cpplib.h (cpp_options): New member warn_system_headers.
2333 * cpphash.h (CPP_PEDANTIC, CPP_WTRADITIONAL): Don't test
2334 CPP_IN_SYSTEM_HEADER.
2335 * cpplib.c (do_import, do_pragma_once): Likewise.
2336 * cpperror.c (_cpp_begin_message): Test warn_system_headers
2337 and CPP_IN_SYSTEM_HEADER.
2338 * cppinit.c (handle_option): Recognize -Wsystem_headers.
2339 (print_help): Describe -Wsystem_headers.
2340 * cpplex.c (lex_line): Reorganize condition so that warnings
2341 about C++ comments in system headers can be enabled. Remove
2342 label do_line_comment.
2344 Mon 25-Sep-2000 23:38:27 BST Neil Booth <neilb@earthling.net>
2346 * cpplex.c (save_comment): Only store the initial '/'
2348 (lex_token): Combine handling of the two comment types.
2349 Pass everything but the initial '/' to save_comment.
2351 Mon 25-Sep-2000 23:31:45 BST Neil Booth <neilb@earthling.net>
2353 * cpphash.h (_cpp_digraph_spellings, _cpp_process_directive,
2354 _cpp_can_paste): New library-internal prototypes.
2355 * cpplex.c (dump_param_spelling, output_line_command,
2356 output_token, cpp_scan_buffer, cpp_scan_buffer_nooutput,
2357 cpp_printf, cpp_output_list): Move to cppoutput.c.
2358 (process_directive, can_paste, digraph_spellings): Add _cpp_ prefix.
2359 * cppmacro.c (dump_macro_args, cpp_dump_definition) Move to
2361 * cppoutput.c (dump_macro_args, cpp_dump_definition, output_token,
2362 dump_param_spelling, output_line_command, cpp_scan_buffer,
2363 cpp_scan_buffer_nooutput, cpp_printf, cpp_output_list): Moved
2365 * Makefile.in: Add cppoutput.c.
2366 * po/POTFILES.in: Add cppoutput.c.
2368 2000-09-25 Richard Henderson <rth@cygnus.com>
2370 * config/ia64/ia64.c (ia64_print_operand): Define 'e' as 64-n.
2371 * config/ia64/ia64.md (rotrsi3): Allow variable rotates; don't
2372 split until after reload.
2373 (rotlsi3, rotldi3): New.
2375 2000-09-25 Gabriel Dos Reis <gdr@codesourcery.com>
2377 * diagnostic.c (output_last_position): Define.
2378 (set_real_maximum_length): Tweek.
2379 * diagnostic.h (output_last_position): Declare.
2381 2000-09-25 Kazu Hirata <kazu@hxi.com>
2383 * config/i386/i386.c: Fix formatting.
2385 2000-09-24 Alan Lehotsky <alehotsky@cygnus.com>
2387 * emit-rtl-c (gen_lowpart_common): Accept non-paradoxical SUBREG when
2388 UNITS_PER_WORD is small.
2390 2000-09-25 Joseph S. Myers <jsm28@cam.ac.uk>
2392 * c-common.c (format_char_info): Add flags2; update comments.
2393 (print_char_table, scan_char_table, time_char_table): Split some
2394 flags out into flags2.
2395 (check_format_info): Use flags2 for those flags, for identifying
2396 the initial character of a scanf scanset, and for identifying
2397 printf formats where the '0' flag is ignored with precision.
2399 2000-09-25 Hans-Peter Nilsson <hp@axis.com>
2401 Changes below marked "here" add TABs on either or both sides,
2402 covering start of line, up to any operand for all noted .*ASM.*_OP
2403 definitions. All callers changed.
2404 * tm.texi: Make documented *_ASM.*_OP:s include spacing
2405 (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, SHARED_SECTION_ASM_OP,
2406 BSS_SECTION_ASM_OP, SHARED_BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
2407 ASM_BYTE_OP, FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
2408 ASM_STABS_OP, ASM_STABD_OP, ASM_STABN_OP).
2409 Fix typos in description for LONG_LONG_TYPE_SIZE and
2410 FINI_SECTION_ASM_OP.
2411 * crtstuff.c (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Explain
2412 why these defaults don't have leading spacing.
2413 * dbxout.c (ASM_STABS_OP, ASM_STABN_OP): Here.
2414 * dwarf2out.c (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
2415 UNALIGNED_DOUBLE_INT_ASM_OP, SECTION_ASM_OP, ASM_BYTE_OP): Here.
2416 * dwarfout.c (FILE_ASM_OP, VERSION_ASM_OP,
2417 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP, ASM_BYTE_OP,
2418 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP): Here.
2419 * defaults.h (ASM_STABD_OP, EH_FRAME_SECTION_ASM_OP): Here.
2420 * varasm.c (ASM_STABS_OP): Here.
2421 * xcoffout.h (ASM_STABS_OP): Here.
2422 * config/elfos.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
2423 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
2424 INT_ASM_OP, ASCII_DATA_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP,
2425 STRING_ASM_OP): Here.
2426 * config/freebsd.h (IDENT_ASM_OP): Here.
2427 * config/linux-aout.h (SET_ASM_OP): Here.
2428 * config/linux.h (SET_ASM_OP): Here.
2429 * config/lynx.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
2431 * config/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
2432 * config/nextstep.h (EH_FRAME_SECTION_ASM_OP, ALIGN_ASM_OP): Here.
2433 * config/openbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
2434 * config/psos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
2436 * config/ptx4.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
2437 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
2438 INT_ASM_OP, ASCII_DATA_ASM_OP, CONST_SECTION_ASM_OP,
2439 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
2440 FINI_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP STRING_ASM_OP): Here.
2441 * config/svr3.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
2442 CONST_SECTION_ASM_OP, ASM_BYTE_OP): Here.
2443 * config/a29k/udi.h (INT_ASM_OP): Here.
2444 * config/alpha/alpha-interix.h (CONST_SECTION_ASM_OP,
2445 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
2447 * config/alpha/alpha.h (TEXT_SECTION_ASM_OP,
2448 READONLY_DATA_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2449 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
2450 UNALIGNED_DOUBLE_INT_ASM_OP, ASM_STABS_OP, ASM_STABN_OP,
2451 ASM_STABD_OP): Here.
2452 * config/alpha/elf.h (IDENT_ASM_OP, SKIP_ASM_OP, ALIGN_ASM_OP,
2453 COMMON_ASM_OP, INT_ASM_OP, ASCII_DATA_ASM_OP,
2454 CONST_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
2455 BSS_SECTION_ASM_OP, SBSS_SECTION_ASM_OP, SDATA_SECTION_ASM_OP,
2456 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP, TYPE_ASM_OP,
2457 SIZE_ASM_OP, STRING_ASM_OP): Here.
2458 * config/alpha/vms.h (LINK_SECTION_ASM_OP,
2459 READONLY_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP,
2460 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, COMMON_ASM_OP): Here.
2461 * config/arc/arc.h (ASM_BYTE_OP, SET_ASM_OP): Here.
2462 (PUSHSECTION_ASM_OP): Define this, not PUSHSECTION_FORMAT.
2463 * config/arm/aof.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP):
2465 * config/arm/aout.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2466 BSS_SECTION_ASM_OP, SET_ASM_OP): Here.
2467 * config/arm/coff.h (INT_ASM_OP): Here.
2468 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Here.
2469 * config/arm/elf.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP): Here.
2470 * config/arm/linux-elf.h (IDENT_ASM_OP, CONST_SECTION_ASM_OP,
2471 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Here.
2472 * config/arm/unknown-elf.h (UNALIGNED_WORD_ASM_OP): Here.
2473 * config/avr/avr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2474 ASM_BYTE_OP, TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP,
2475 STRING_ASM_OP): Here. Update documentation copy in comments.
2476 * config/c4x/c4x.h (ASM_STABS_OP, BSS_SECTION_ASM_OP): Here.
2477 * config/clipper/clipper.h (TEXT_SECTION_ASM_OP,
2478 DATA_SECTION_ASM_OP): Here.
2479 * config/clipper/clix.h (BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP):
2481 * config/convex/convex.h (TEXT_SECTION_ASM_OP,
2482 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
2483 * config/d30v/d30v.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2484 BSS_SECTION_ASM_OP): Here.
2485 * config/fr30/fr30.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2486 BSS_SECTION_ASM_OP): Here.
2487 * config/fx80/fx80.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2489 * config/gmicro/gmicro.h (TEXT_SECTION_ASM_OP,
2490 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
2491 * config/h8300/h8300.h (ASM_WORD_OP): Here.
2492 * config/i370/i370.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2493 BSS_SECTION_ASM_OP): Here.
2494 * config/i386/aix386.h (INIT_SECTION_ASM_OP): Here.
2495 * config/i386/bsd.h (ASM_BYTE_OP): Here.
2496 * config/i386/cygwin.h (SET_ASM_OP, INT_ASM_OP): Here.
2497 * config/i386/dgux.h (CONST_SECTION_ASM_OP): Here.
2498 * config/i386/djgpp.h (IDENT_ASM_OP, INT_ASM_OP, SET_ASM_OP):
2500 * config/i386/freebsd-elf.h (SET_ASM_OP): Here.
2501 * config/i386/freebsd.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP):
2503 * config/i386/i386-coff.h (CTORS_SECTION_ASM_OP,
2504 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
2505 * config/i386/i386-interix.h (STRING_ASM_OP, CONST_SECTION_ASM_OP,
2506 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
2508 * config/i386/i386elf.h (BSS_SECTION_ASM_OP): Here.
2509 * config/i386/netbsd.h (INT_ASM_OP): Here.
2510 * config/i386/openbsd.h (INT_ASM_OP): Here.
2511 * config/i386/osfrose.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP,
2512 IDENT_ASM_OP): Here.
2513 * config/i386/sco5.h (ALIGN_ASM_OP, ASCII_DATA_ASM_OP,
2514 ASM_BYTE_OP, IDENT_ASM_OP, COMMON_ASM_OP, SET_ASM_OP,
2515 LOCAL_ASM_OP, INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, STRING_ASM_OP,
2516 SKIP_ASM_OP, GLOBAL_ASM_OP): Here.
2517 * config/i386/seq-sysv3.h (SHARED_SECTION_ASM_OP,
2518 SHARED_BSS_SECTION_ASM_OP): Here.
2519 * config/i386/sequent.h (SHARED_SECTION_ASM_OP): Here.
2520 * config/i386/sun386.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
2521 DATA_SECTION_ASM_OP): Here.
2522 * config/i386/svr3gas.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
2523 CONST_SECTION_ASM_OP): Here.
2524 * config/i386/sysv3.h (INIT_SECTION_ASM_OP): Here.
2525 * config/i386/unix.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2526 BSS_SECTION_ASM_OP): Here.
2527 * config/i860/bsd-gas.h (ASCII_DATA_ASM_OP): Here.
2528 * config/i860/bsd.h (ASCII_DATA_ASM_OP): Here.
2529 * config/i860/fx2800.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP,
2530 BSS_ASM_OP): Here, but use trailing spaces.
2531 * config/i860/i860.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
2532 DATA_SECTION_ASM_OP): Here.
2533 * config/i860/paragon.h (ASCII_DATA_ASM_OP, BSS_SECTION_ASM_OP):
2535 * config/i860/sysv3.h (ASCII_DATA_ASM_OP, CTORS_SECTION_ASM_OP,
2536 DTORS_SECTION_ASM_OP, TDESC_SECTION_ASM_OP): Here.
2537 * config/i860/sysv4.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
2538 TDESC_SECTION_ASM_OP): Here.
2539 * config/i960/i960-coff.h (CTORS_SECTION_ASM_OP,
2540 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
2541 * config/i960/i960.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2543 * config/ia64/ia64.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2544 BSS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
2545 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
2546 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
2547 * config/ia64/sysv4.h (ASM_BYTE_OP, STRING_ASM_OP, SKIP_ASM_OP,
2548 COMMON_ASM_OP, ASCII_DATA_ASM_OP, INIT_SECTION_ASM_OP,
2549 FINI_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
2550 SDATA_SECTION_ASM_OP, SBSS_SECTION_ASM_OP): Here.
2551 * config/m32r/m32r.h (SCOMMON_ASM_OP): Here.
2552 * config/m68hc11/m68hc11.h (GLOBAL_ASM_OP): Here.
2553 * config/m68k/auxas.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
2554 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
2556 * config/m68k/coff.h (BSS_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
2557 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
2558 * config/m68k/crds.h (BSS_SECTION_ASM_OP): Here.
2559 * config/m68k/dpx2.h (ASM_BYTE_OP, GLOBAL_ASM_OP): Here.
2560 * config/m68k/hp320.h (ASCII_DATA_ASM_OP, GLOBAL_ASM_OP): Here.
2561 * config/m68k/linux.h (BSS_SECTION_ASM_OP): Here.
2562 * config/m68k/lynx.h (BSS_SECTION_ASM_OP): Here.
2563 * config/m68k/m68k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2564 GLOBAL_ASM_OP): Here.
2565 * config/m68k/m68kelf.h (SWBEG_ASM_OP, BSS_ASM_OP,
2566 BSS_SECTION_ASM_OP): Here.
2567 * config/m68k/m68kv4.h (BSS_ASM_OP): Here.
2568 * config/m68k/mot3300.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2569 ASCII_DATA_ASM_OP, SET_ASM_OP, CTORS_SECTION_ASM_OP,
2570 DTORS_SECTION_ASM_OP, GLOBAL_ASM_OP, ASM_BYTE_OP, ALIGN_ASM_OP,
2572 * config/m68k/newsgas.h (SET_ASM_OP): Here.
2573 * config/m68k/rtemself.h (INIT_SECTION_ASM_OP,
2574 FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
2575 * config/m68k/sgs.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
2576 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
2577 SET_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here,
2578 but use trailing spaces.
2579 * config/m68k/tower-as.h (TEXT_SECTION_ASM_OP,
2580 DATA_SECTION_ASM_OP, GLOBAL_ASM_OP, INIT_SECTION_ASM_OP,
2581 FINI_SECTION_ASM_OP, CONST_SECTION_ASM_OP, BSS_SECTION_ASM_OP):
2583 * config/m88k/dgux.h (FINI_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
2584 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
2585 * config/m88k/m88k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2586 CONST_SECTION_ASM_OP, TDESC_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
2587 DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
2588 IDENT_ASM_OP, FILE_ASM_OP, SECTION_ASM_OP, SET_ASM_OP,
2589 GLOBAL_ASM_OP, ALIGN_ASM_OP, SKIP_ASM_OP, COMMON_ASM_OP,
2590 BSS_ASM_OP, FLOAT_ASM_OP, DOUBLE_ASM_OP, INT_ASM_OP, SHORT_ASM_OP,
2591 CHAR_ASM_OP, ASCII_DATA_ASM_OP, SBSS_ASM_OP, SCOMM_ASM_OP,
2592 SDATA_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, INTERNAL_ASM_OP,
2593 VERSION_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
2594 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP, REQUIRES_88110_ASM_OP,
2596 * config/m88k/openbsd.h (SET_ASM_OP): Here.
2597 * config/m88k/sysv4.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
2598 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
2599 * config/mcore/mcore-elf.h (UNALIGNED_INT_ASM_OP,
2600 UNALIGNED_SHORT_ASM_OP, CTORS_SECTION_ASM_OP,
2601 DTORS_SECTION_ASM_OP): Here.
2602 * config/mcore/mcore-pe.h (CTORS_SECTION_ASM_OP,
2603 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
2604 * config/mips/elf.h (TYPE_ASM_OP, SIZE_ASM_OP,
2605 BSS_SECTION_ASM_OP): Here.
2606 * config/mips/elf64.h (TYPE_ASM_OP, SIZE_ASM_OP): Here.
2607 * config/mips/iris5.h (ABICALLS_ASM_OP): Here.
2608 * config/mips/iris6.h (TYPE_ASM_OP, SIZE_ASM_OP,
2609 POPSECTION_ASM_OP, BSS_SECTION_ASM_OP, CONST_SECTION_ASM_OP_32,
2610 CONST_SECTION_ASM_OP_64, CTORS_SECTION_ASM_OP,
2611 DTORS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
2612 * config/mips/mips.c (ABICALLS_ASM_OP): Here.
2613 * config/mips/mips.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP):
2615 * config/mips/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP):
2617 * config/mips/osfrose.h (SET_ASM_OP): Here.
2618 * config/mips/sni-svr4.h (ABICALLS_ASM_OP): Here.
2619 * config/ns32k/encore.h (SHARED_SECTION_ASM_OP): Here.
2620 * config/ns32k/merlin.h (SHARED_SECTION_ASM_OP): Here.
2621 * config/ns32k/ns32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2623 * config/ns32k/sequent.h (SHARED_SECTION_ASM_OP): Here.
2624 * config/ns32k/tek6000.h (SHARED_SECTION_ASM_OP): Here.
2625 * config/pa/pa-64.h (INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP): Here.
2626 * config/pa/pa.h (ASM_STABS_OP, ASM_STABN_OP): Here.
2627 * config/pj/pj.h (SET_ASM_OP, BSS_SECTION_ASM_OP): Here.
2628 * config/pyr/pyr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2630 * config/romp/romp.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2632 * config/rs6000/rs6000.h (SET_ASM_OP): Here.
2633 * config/rs6000/sol2.h (ASM_STABN_OP): Here.
2634 * config/rs6000/sysv4.h (SKIP_ASM_OP, LOCAL_ASM_OP, LCOMM_ASM_OP):
2636 * config/sh/sh.h (SET_ASM_OP, BSS_SECTION_ASM_OP,
2637 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here.
2638 * config/sparc/linux.h (COMMON_ASM_OP): Here.
2639 * config/sparc/linux64.h (COMMON_ASM_OP,
2640 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
2641 * config/sparc/litecoff.h (BSS_SECTION_ASM_OP,
2642 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
2643 * config/sparc/lynx.h (BSS_SECTION_ASM_OP): Here.
2644 * config/sparc/pbd.h (ASM_INT_OP): Here.
2645 * config/sparc/sp64-elf.h (UNALIGNED_LONGLONG_ASM_OP): Here.
2646 * config/sparc/sparc.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
2647 DATA_SECTION_ASM_OP, IDENT_ASM_OP): Here.
2648 * config/sparc/sun4gas.h (UNALIGNED_DOUBLE_INT_ASM_OP,
2649 UNALIGNED_INT_ASM_OP, UNALIGNED_SHORT_ASM_OP): Here.
2650 * config/sparc/sysv4.h (STRING_ASM_OP, COMMON_ASM_OP, SKIP_ASM_OP,
2651 UNALIGNED_DOUBLE_INT_ASM_OP, UNALIGNED_INT_ASM_OP,
2652 UNALIGNED_SHORT_ASM_OP, PUSHSECTION_ASM_OP, POPSECTION_ASM_OP,
2653 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP,
2654 CONST_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
2655 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
2656 EH_FRAME_SECTION_ASM_OP): Here.
2657 * config/sparc/vxsim.h (COMMON_ASM_OP): Here.
2658 * config/spur/spur.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2660 * config/tahoe/tahoe.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2662 * config/v850/v850.h (SCOMMON_ASM_OP, ZCOMMON_ASM_OP,
2663 TCOMMON_ASM_OP): Here.
2664 * config/vax/vax.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2666 * config/we32k/we32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2669 2000-09-25 Richard Henderson <rth@cygnus.com>
2671 * expmed.c (store_bit_field): Adjust last change to not consider
2672 any word-sized field naturally aligned.
2674 2000-09-24 Richard Henderson <rth@cygnus.com>
2676 * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
2677 TFmode unordered compares properly. Revalidate integer compare
2679 (alpha_emit_setcc): New.
2680 (alpha_emit_conditional_move): Revalidate integer compare operands.
2681 * config/alpha/alpha-protos.h: Update.
2682 * config/alpha/alpha.md (cmpdi): Allow general operands.
2683 (sne): Use alpha_emit_setcc.
2684 (seq, slt, sle, sgt, sge, sltu, sleu, sgtu, sgeu): Likewise.
2685 (sunordered, sordered): New.
2687 2000-09-24 Richard Henderson <rth@cygnus.com>
2689 * config/ia64/ia64-protos.h: Update.
2690 * config/ia64/ia64.c (call_multiple_values_operation): Remove.
2691 (ia64_expand_call): New.
2692 (ia64_expand_prologue): Emit an alloc if we need extra input
2694 (ia64_expand_epilogue): New arg sibcall_p; don't emit the return
2695 instruction if true.
2696 (struct reg_flags): Add is_sibcall.
2697 (rtx_needs_barrier): A sibcall does not use CFM et al. Ignore USEs.
2698 (emit_insn_group_barriers): Set flags.is_sibcall. Remove hacks
2699 for CODE_FOR_gr_spill_internal/CODE_FOR_gr_restore_internal.
2700 * config/ia64/ia64.h (PREDICATE_CODES): Update.
2701 * config/ia64/ia64.md (call): Use ia64_expand_call.
2702 (call_value): Likewise.
2703 (sibcall, sibcall_value): New.
2704 (call patterns): Remove extra expanders; tidy.
2705 (sibcall_epilogue): New.
2706 (set_bsp): Remove the extra USE. Put the operand inside the UNSPEC.
2708 2000-09-24 Richard Henderson <rth@cygnus.com>
2710 * emit-rtl.c (gen_lowpart_common): Use trunc_int_for_mode.
2712 * sibcall.c (skip_pic_restore): New.
2713 (identify_call_return_value): Use it.
2715 2000-09-24 Mark Mitchell <mark@codesourcery.com>
2717 * c-tree.texi: Moved here from cp/ir.texi. Documented nested
2718 functions. Generalize to handle both C and C++.
2719 * Makefile.in (c-tree.info): New target.
2720 (info): Add c-tree.info.
2722 Sun Sep 24 09:15:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2724 * expr.c (store_field): If BITSIZE is negative, use size of type.
2725 (expand_expr, case COMPONENT_EXPR): Likewise.
2727 Sun 24-Sep-2000 11:40:23 BST Neil Booth <NeilB@earthling.net>
2729 * cpplex.c: Update TODO comment.
2730 * cpplib.c (do_error, do_warning): Merge common code of
2731 do_error and do_warning into do_diagnostic. Use it.
2732 (do_diagnostic): New function.
2733 * cpplib.h: Fix comment typo.
2735 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
2737 * c-common.c (check_format_info): Warn for a wide character string
2738 used as a non-wide format argument.
2740 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
2742 * builtins.def (BUILT_IN_LLABS): Add.
2743 * builtins.c (expand_builtin): Also abort on BUILT_IN_LLABS.
2744 * c-common.c (c_common_nodes_builtins): Create builtin functions
2745 __builtin_llabs, and plain llabs unless no_nonansi_builtins
2746 outside of C99 mode.
2747 (expand_tree_builtin): Handle BUILT_IN_LLABS.
2749 Sat 23-Sep-2000 22:39:18 BST Neil Booth <NeilB@earthling.net>
2751 * cpphash.h (CPP_RESERVE, CPP_PUTS_Q, CPP_PUTS, CPP_PUTC_Q,
2752 CPP_PUTC, DUMMY_TOKEN, NO_DUMMY_TOKEN): Delete.
2753 * cpplex.c (_cpp_expand_token_space, _cpp_init_toklist,
2754 _cpp_free_toklist): No need to worry about extra dummy token
2755 at the start of token lists any more.
2756 (trigraph_ok): Only warn outside comments.
2757 (skip_block_comment): Set and clear lexing_comment.
2758 (skip_line_comment): Take a cpp_reader not cpp_buffer.
2759 Set and clear lexing_comment.
2760 (parse_number): Handle leading '.' indicated by pfile->seen_dot.
2761 (check_long_token): Delete.
2762 (lex_percent, lex_dot): New subroutines of lex_token to
2763 handle lexing of '.' and '%' without lookback.
2764 (lex_token): Use lex_dot and lex_percent.
2765 (lex_line): Don't check for LIST_OFFSET.
2766 (_cpp_init_input_buffer): Update for new _cpp_init_toklist.
2767 * cpplib.c (_cpp_parse_assertion): Similarly.
2768 (cpp_push_buffer): Initialize extra_char.
2769 * cpplib.h (LIST_OFFSET): Delete.
2770 (struct cpp_buffer): New member extra_char.
2771 (struct lexer_state): New members lexing_comment and seen_dot.
2773 2000-09-23 Jason Merrill <jason@redhat.com>
2775 * config/rs6000/x-aix41 (CLIB): Define here.
2776 * config/rs6000/t-aix43: Not here.
2777 * config/rs6000/t-aix41: Or here. Remove.
2778 * configure.in: Don't use it.
2780 2000-09-22 Jason Merrill <jason@redhat.com>
2782 * configure.in: Add test for HAVE_LD_DWARF_LINKONCE.
2783 * toplev.c: Use it to initialize flag_eliminate_dwarf2dups.
2784 * config.in: Regenerate.
2786 * configure.in: Fix checks for assembler features when using a
2787 one-tree assembler that has not yet been built.
2788 Fix --disable-threads.
2790 2000-09-19 Geoff Keating <geoffk@cygnus.com>
2792 * stmt.c (expand_asm_operands): Allow # in constraints.
2794 2000-09-22 Jason Merrill <jason@redhat.com>
2796 * c-lex.c (skip_white_space): Just treat CRs as horizontal whitespace.
2798 * dbxout.c (dbxout_symbol_name): Just use DECL_NAME for
2799 function-local names.
2801 2000-09-22 Brad Lucier <lucier@math.purdue.edu>
2802 Mark Mitchell <mark@codesourcery.com>
2804 * toplev.c (warn_disabled_optimization): Declare new warning flag.
2805 * flags.h (warn_disabled_optimization): Add it here.
2806 * gcse.c (gcse_main): Add warning when disabled.
2807 * invoke.texi: Document -Wdisabled-optimization.
2809 2000-09-21 Jason Merrill <jason@redhat.com>
2811 * dwarf2out.c (add_const_value_attribute): Multiply by length, not 4.
2813 * dwarf2out.c (tree_add_const_value_attribute): New fn.
2814 (gen_variable_die): Call it for non-definitions.
2816 * dwarf2out.c (die_struct): Add die_mark field.
2817 (mark_dies, unmark_dies): New fns.
2818 (clear_die_sizes): Remove.
2819 (print_die): Check die_symbol rather than die_offset.
2820 (build_abbrev_table, output_pubnames, output_aranges): Check
2821 die_mark rather than die_offset.
2822 (output_comp_unit): Move calc_die_sizes after build_abbrev_table.
2825 Thu 21-Sep-2000 18:19:05 BST Neil Booth <NeilB@earthling.net>
2827 * cppfiles.c (lookup_include_file): Rename to open_file.
2828 Always create a splay tree value, even on syscall failures.
2829 Negative entries indicated by fd == -2.
2830 Re-open files closed in the meantime.
2831 (_cpp_fake_include): Create a negative splay tree entry.
2832 (find_include_file, cpp_read_file): Update for function name
2834 * gcc.gd/cpp/mi4.c: Testcase.
2836 2000-09-21 Nick Clifton <nickc@redhat.com>
2838 * config/arm/t-arm-elf (MULTILIB_DIRNAMES): Enable multilibs for
2839 ARM and THUMB modes.
2841 * config/mcore/mcore.c: Fix compile time warnings.
2842 * config/mcore/mcore-protos.h: Fix compile time warnings.
2844 2000-09-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2846 * configure.in: Correct test of gcc_cv_glibc.
2847 * configure: Rebuilt.
2848 * config.in: Rebuilt.
2850 2000-09-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2852 * builtins.c (expand_builtin_fputs): Also expand when length!=1.
2853 (expand_builtin): Handle BUILT_IN_FWRITE.
2855 * builtins.def (BUILT_IN_FWRITE): New entry.
2857 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_fwrite.
2859 Wed Sep 20 15:39:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2861 * gcc.c (modify_target): New variable and struct.
2862 (process_command): Handle MODIFY_TARGET_NAME.
2863 * tm.texi (MODIFY_TARGET_NAME): Add documentation for new macro.
2864 * config/pa/pa.h (MODIFY_TARGET_NAME): New macro.
2866 * c-decl.c (finish_decl): Add else's to avoid referencing
2867 TYPE_DOMAIN of an ERROR_MARK.
2869 Wed Sep 20 21:44:31 2000 Denis Chertykov <denisc@overta.ru>
2871 * config/avr/avr.c (adjust_insn_length): Adjust lengths of
2874 2000-09-19 Marek Michalkiewicz <marekm@linux.org.pl>
2876 * config/avr/avr.md (neghi2): Add alternative for input and output
2877 operands in different registers, as in negsi2.
2878 (*negsi2): Remove '*' from the name. Use "movw" if available.
2880 2000-09-19 Jim Wilson <wilson@cygnus.com>
2882 * config/ia64/crtbegin.asm (__dso_handle): Delete use of
2883 HAVE_GAS_HIDDEN macro.
2885 Tue 19-Sep-2000 22:38:57 BST Neil Booth <NeilB@earthling.net>
2887 * cpplex.c (lex_line): Drop the EOF token for unknown
2888 directives in assembler.
2890 2000-09-19 David Edelsohn <edelsohn@gnu.org>
2892 * configure.in: Allow enable_threads_flag value of "aix". Define
2893 thread_file as "aix" for AIX 4.3 and above.
2894 * configure: Regenerated.
2896 * gthr-aix.h: New file.
2898 * rs6000/t-aix43: Replace soft-float multilib with pthread.
2899 Remove 403 processor multilib match. Fix rios2 processor multilib
2902 * rs6000/aix.h (ASM_DECLARE_FUNCTION_NAME): Use function_section
2903 to return to appropriate csect.
2905 2000-09-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2907 * builtins.c (is_valid_printf_arglist, expand_builtin_printf): New
2909 (expand_builtin_fputs): Set `target' parameter for `expand_expr'.
2910 (expand_builtin): Handle BUILT_IN_PUTCHAR, BUILT_IN_PUTS and
2913 * builtins.def (BUILT_IN_PUTCHAR, BUILT_IN_PUTS, BUILT_IN_PRINTF):
2916 * c-common.c (init_function_format_info): Handle __builtin_printf.
2917 Set `check_function_format_ptr'.
2918 (c_common_nodes_and_builtins): Set `puts_ftype' and
2919 `printf_ftype'. Declare __builtin_putchar, __builtin_puts,
2920 __builtin_printf and printf.
2922 * tree.c, tree.h (check_function_format_ptr): Declare.
2924 Tue 19-Sep-2000 18:26:57 BST Neil Booth <NeilB@earthling.net>
2926 * cppfiles.c (read_include_file): Take no special action for
2929 2000-09-19 Bernd Schmidt <bernds@redhat.co.uk>
2931 * final.c (insn_current_reference_address): Use INSN_SHUID of seq
2932 rather than that of branch.
2933 (shorten_branches): Don't increment insn_current_address twice.
2935 Undo most of the Wed Jan 27 23:39:53 1999 patch:
2936 * loop.h (struct induction): Delete members derived, ix and last_use.
2937 (struct loop_ivs): Delete members first_increment_giv and
2939 * loop.c (verify_dominator, find_life_end, cmp_recombine_givs_stats,
2940 recombine_givs): Delete functions.
2941 (find_and_verify_loops): Don't initialize cont_dominator.
2942 (strength_reduce): Lose code to try to find bivs that can be
2943 expressed as givs of another biv, and to convert biv increments
2945 Lose loop_scan_start variable, always use loop->scan_start.
2946 Don't call recombine_givs. Don't handle derived givs.
2947 (record_giv): Don't initialize derived and last_use fields.
2948 (biv_eliminiation_giv_has_0_offset): Lose code to handle derived
2950 * unroll.c (derived_regs): Delete static variable.
2951 (unroll_loop): Don't initialize it.
2952 (copy_loop_body): Lose code to handle derived givs.
2953 (find_splittable_givs): Don't check for givs made from biv
2955 Don't set derived_regs.
2957 Fix misapplied earlier patch:
2958 * config/sh/sh.md (floatsisf_ie): Reenable. Remove explicit reference
2960 (floatsisf2): Generate floatsisf_ie by default.
2961 (floatsisf_i4): Conditional on TARGET_SH4.
2963 (floatsisf2, floatsidf2, extendsfdf2): Also use reg_no_subreg_operand
2964 predicate for the expanders.
2966 2000-09-19 Richard Henderson <rth@cygnus.com>
2968 * config/i386/i386.h (CPP_CPU_SPEC): Define i586 and i686 symbols
2969 in addition to pentium and pentiumpro symbols.
2970 (CPP_CPU_DEFAULT_SPEC): Likewise.
2972 * c-typeck.c (c_expand_asm_operands): Restore the output tree
2975 * stmt.c (expand_expr_stmt): Only call warn_if_unused_value
2976 if the tree has side effects.
2977 (warn_if_unused_value): Do not warn about void constructs.
2979 * c-decl.c (poplevel): Invoke warn_about_unused_variables.
2981 * unroll.c (copy_loop_body): Update LABEL_NUSES before
2982 calling invert_jump.
2984 2000-09-18 Geoff Keating <geoffk@cygnus.com>
2986 * combine.c (can_combine_p): Don't substitute an ASM_OPERANDS
2989 2000-09-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2991 * Makefile.in (c-common.o): Depend on diagnostic.h.
2993 * c-common.c: Include diagnostic.h.
2995 (status_warning): New function.
2996 (check_format_info, maybe_read_dollar_number, check_format_types,
2997 finish_dollar_format_checking, check_function_format): Accept a
2998 `status' parameter. All callers changed.
3000 * c-common.h (check_function_format): Accept a `status' parameter.
3002 * c-typeck.c: Update call to `check_function_format'.
3004 2000-09-18 Richard Henderson <rth@cygnus.com>
3006 * c-decl.c (c_expand_body): Call mark_varargs before
3007 expand_function_start.
3009 2000-09-18 Geoff Keating <geoffk@cygnus.com>
3011 * config/rs6000/eabi-cn.asm: Use /**/ to delimit comments, not #.
3012 * config/rs6000/eabi-ci.asm: Likewise.
3014 2000-09-18 Richard Henderson <rth@cygnus.com>
3016 * emit-rtl.c (init_emit_once): Initialize const_tiny_rtx
3019 2000-09-18 Jim Wilson <wilson@cygnus.com>
3021 * unroll.c (loop_iterations): Pass increment to extend_for_giv_value
3022 before passing it to fold_rtx_mult_add.
3024 * unroll.c (final_giv_value): Pass increment through
3025 extend_value_for_giv before passing it to emit_iv_add_mult.
3027 * function.c (fixup_var_refs_1, case ZERO_EXTRACT): If we have a
3028 paradoxical subreg, then directly substitute the replacement and
3031 Mon 18-Sep-2000 22:12:44 BST Neil Booth <NeilB@earthling.net>
3033 * cpp.texi: Update documentation, including some clarifications,
3034 the treatment of various newline combinations, and space between
3035 backslash and newline.
3037 Mon Sep 18 21:00:47 2000 J"orn Rennecke <amylaar@redhat.co.uk>
3039 * sdbout.c (PUT_SDB_DEF, PUT_SDB_TAG, PUT_SDB_EPILOGUE_END):
3040 Replace ASM_OUTPUT_LABELREF with assemble_name.
3042 Mon Sep 18 20:26:50 2000 J"orn Rennecke <amylaar@redhat.co.uk>
3044 * sh.c (addsubcosts): CONST is not cheap.
3045 (find_barrier): For Sh1, take alignment after jumps into account.
3047 2000-09-15 Andrew Haley <aph@redhat.com>
3049 * toplev.c (rest_of_compilation): Call purge_hard_subreg_sets to
3050 remove all SETs of SUBREGs of hard registers.
3051 * function.c (purge_hard_subreg_sets): New function.
3052 (purge_single_hard_subreg_set): New function.
3053 * rtl.h: (purge_hard_subreg_sets): New function.
3055 2000-09-18 Richard Henderson <rth@cygnus.com>
3057 * config/ia64/ia64-protos.h: Update.
3058 * config/ia64/ia64.c (signed_inequality_operator): New.
3059 (ia64_expand_compare): New.
3060 (ia64_register_move_cost): Handle PR_REGS moves.
3061 (ia64_secondary_reload_class): Require a GR when moving to a PR.
3062 (struct reg_write_state): Add written_by_and/or.
3063 (struct reg_flags): Add is_and/or.
3064 (rws_update): Set them.
3065 (rws_access_regno): Test them to allow parallel comparisons.
3066 (rtx_needs_barrier): Recognize parallel comparisons.
3067 (emit_insn_group_barriers): Set prev_insn after a call stop bit.
3068 Call recog_memoized; ignore pred_rel_mutex.
3069 (emit_predicate_relation_info): Don't call find_basic_blocks here.
3070 (ia64_reorg): Do it here instead.
3071 * config/ia64/ia64.h: s/CCmode/BImode/g
3072 (MODES_TIEABLE_P): Don't tie BImode.
3073 (PREFERRED_RELOAD_CLASS): Do not reload operations into AR regs.
3074 (CONST_COSTS): Pick sensible values for CONST_INT based on context.
3075 (RTX_COSTS): Make multiply 4 insns.
3076 (MEMORY_MOVE_COST): New.
3077 (PREDICATE_CODES): Update.
3078 * config/ia64/ia64.md: s/CCmode/BImode/g
3079 (movcci, movbi): New.
3080 (andbi3, andcmbi3, iorbi3, iorcmbi3, one_cmplbi2): New.
3081 (cmpsi_and_0, cmpsi_and_1, cmpsi_andnot_0, cmpsi_andnot_1): New.
3082 (cmpdi_and_0, cmpdi_and_1, cmpdi_andnot_0, cmpdi_andnot_1): New.
3083 (tbit_and_0, tbit_and_1, tbit_and_2, tbit_and_3): New.
3084 (cmpsi_or_0, cmpsi_or_1, cmpsi_orcm_0, cmpsi_orcm_1): New.
3085 (cmpdi_or_0, cmpdi_or_1, cmpdi_orcm_0, cmpdi_orcm_1): New.
3086 (tbit_or_0, tbit_or_1, tbit_or_2, tbit_or_3): New.
3087 (mulsi, muldi): Use xmpy not xma.
3089 (movcc, movcc_internal): Remove.
3090 (branch expanders): Use ia64_expand_compare.
3091 (setcc expanders): Likewise.
3092 (cmov insns): Use move_operand and ia64_move_ok.
3093 (pred_rel_mutex): Use unspec not unspec_volatile. Prevent the
3094 scheduler from moving it past a use.
3095 * config/ia64/build.hacks: Remove.
3097 Mon 18-Sep-2000 19:21:35 BST Neil Booth <NeilB@earthling.net>
3099 * cpphash.h (HASHSTEP): Take character rather than pointer
3101 (_cpp_check_directive, _cpp_check_linemarker): Update prototypes.
3103 * cpphash.c (cpp_loookup): Update for new HASHSTEP.
3105 * cpplex.c (auto_expand_name_space, trigraph_replace,
3106 backslash_start, handle_newline, parse_name, INIT_TOKEN_STR,
3107 IMMED_TOKEN, PREV_TOKEN_TYPE, PUSH_TOKEN, REVISE_TOKEN,
3108 BACKUP_TOKEN, BACKUP_TRIGRAPH, MIGHT_BE_DIRECTIVE,
3109 KNOWN_DIRECTIVE): Delete.
3111 (handle_newline, check_long_token, skip_escaped_newlines,
3112 unterminated): New functions.
3113 (ACCEPT_CHAR, SAVE_STATE, RESTORE_STATE): New macros.
3115 (parse_identifier): Was parse_name, new implementation.
3116 (skip_line_comment, skip_block_comment, skip_whitespace,
3117 parse_number, parse_string, trigraph_ok, save_comment,
3118 adjust_column, _cpp_get_line): New implementations.
3120 (lex_token): New function. Lexes a token at a time, looking
3121 forwards. Contains most of the guts of the old lex_line.
3122 (lex_line): New implementation, using lex_token to obtain
3124 (cpp_scan_buffer): Use the token's line, not the list's line.
3126 * cpplib.c (_cpp_check_directive, _cpp_check_linemarker):
3127 New implementations.
3128 (do_assert): Don't bother setting the answer's list's line.
3129 (cpp_push_buffer): Initialise new pfile and read_ahead members
3130 of struct cpp_buffer.
3132 * cpplib.h (cppchar_t): New typedef.
3133 (struct cpp_buffer): read_ahead, pfile and col_adjust are
3135 (struct lexer_state): New structure that determines the state
3136 and behaviour of the lexer.
3137 (IN_DIRECTIVE, KNOWN_DIRECTIVE): New macros.
3138 (struct cpp_reader): New member "state". Rename
3139 multiline_string_line and multiline_string_column. Delete
3140 col_adjust, in_lex_line members.
3141 (CPP_BUF_COLUMN): Update.
3143 2000-09-18 Richard Henderson <rth@cygnus.com>
3145 * combine.c (simplify_comparison): Shift a NOT out of a single
3148 * combine.c (if_then_else_cond): Canonicalize BImode true to
3150 * explow.c (trunc_int_for_mode): Likewise.
3152 * combine.c (combine_simplify_rtx): Use gen_unary to distribute
3153 the NOT for De Morgan's rule.
3154 * simplify-rtx.c (simplify_unary_operation): Simplify a BImode NOT
3155 of a comparison to the reverse comparison.
3157 * combine.c (try_combine): Allow split to create a single insn.
3159 * machmode.def: Add BImode. Add a column for bitsize.
3160 * machmode.h (DEF_MACHMODE): Adjust for extra column.
3161 (GET_MODE_BITSIZE): Use it.
3162 * rtl.c (DEF_MACHMODE): Adjust for extra column.
3163 (mode_bitsize): New.
3164 (mode_mask_array): Use bitsize.
3165 * combine.c (combine_simplify_rtx): Require inner and outer
3166 modes to match on nonzero_bits optimizations.
3168 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
3170 * reload1.c (forget_old_reloads_1): If a hard reg is stored, clear
3171 its entry in spill_reg_store.
3172 * config/sh/lib1funcs.ams (movstr_i4 functions): Always compile in.
3173 * sh.c (reg_no_subreg_operand): New function.
3174 * sh-protos.h (reg_no_subreg_operand): Declare it.
3175 * sh.h (PREDICATE_CODES): Add it.
3176 * sh.md (floatsisf2_i4, floatsidf2_i, extendsfdf2_i4): Use it for
3177 input operand that needs to be in fpul.
3178 (fix_truncsfsi2, fix_truncsfsi2_i4): Use register_operand for output.
3179 * sh.c (find_barrier): Take into account that machine_dependent_reorg
3180 might add new insns.
3182 2000-09-18 Alexandre Oliva <aoliva@redhat.com>
3184 * config/sh/sh.c (sh_expand_prologue): Mark GOTaddr2picreg as
3186 (sh_expand_epilogue): Take the PIC register into account when
3187 computing the frame size.
3189 * config/sh/sh.c (nonpic_symbol_mentioned_p): Check LABEL_REFs.
3190 * config/sh/sh.md (sym_label2reg, symPLT_label2reg): Protect
3191 LABEL_REFs with a PIC-safe unspec.
3193 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
3195 * c-common.c (check_format_info): Properly save the argument
3196 number and parameter for $ operand number formats in case width
3197 and precision arguments are also used. Allow printf width and
3198 precision arguments to have operand numbers even if none was
3199 specified for the main format, since this is OK for %*.*m. Only
3200 object to missing $ operand number if the format used requires an
3203 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
3205 * c-common.c (format_char_info): Add 'W' flag to comment.
3206 (print_char_table, scan_char_table): Use it.
3207 (check_format_info): Use the 'W' flag to determine whether a
3208 format argument is written into.
3210 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
3212 * c-common.c (check_format_types): Reorganise and clean up,
3213 checking earlier for ERROR_MARKs and making cur_type into its
3214 TYPE_MAIN_VARIANT where convenient.
3216 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
3218 * gcc.c (cpp_options): Add specs for __STDC_HOSTED__.
3220 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
3222 * optabs.c (emit_libcall_block): Set CONST_CALL_P for the call.
3224 * i386-protos.h (ix86_init_builtins, ix86_expand_builtin): Declare.
3225 * i386.c (struct builtin_description): New.
3226 (bdesc_comi, bdesc_2arg, bdesc_1arg): New arrays.
3227 (mmx_reg_operand): Declare MODE arg as unused.
3228 (ix86_expand_sse_comi, ix86_expand_sse_compare, safe_vector_operand,
3229 ix86_expand_unop1_builtin, ix86_expand_unop_builtin,
3230 ix86_expand_binop_builtin, ix86_expand_store_builtin,
3231 ix86_init_builtins, ix86_expand_builtin): New functions.
3232 * i386.h (ix86_builtins): New enumeration.
3233 (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): New macros.
3234 * i386.md (attr length_immediate): 0 for mmx/sse types.
3235 (attr prefix_0f): 1 for mmx/sse types.
3236 (setcc_2): Remove "*" so we get gen_setcc_2.
3237 (emms): Account for changed register numbering. Set "memory" attr
3239 (sfence): Set "memory" attr to unknown.
3241 2000-09-18 Andreas Jaeger <aj@suse.de>
3243 * configure.in: Define _GNU_SOURCE only when using the GNU C
3245 * configure: Regenerated.
3246 * config.in: Regenerated.
3248 2000-09-17 Mark Mitchell <mark@codesourcery.com>
3250 * cppinit.c (cpp_init): Don't use ANSI prototypes.
3251 * flow.c (flow_dump_loop): Likewise.
3252 (flow_loops_dump): Likewise.
3254 * c-typeck.c (c_start_case): Fix typo.
3256 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
3258 * c-decl.c (grokdeclarator): Don't give a warning about defaulting
3259 to int for plain complex which defaults to complex double. Do
3260 warn about defaulting to complex double if pedantic. Warn about
3261 complex integer types if pedantic. Warn about complex types if
3262 pedantic and not in C99 mode.
3263 * c-typeck.c (build_unary_op): If pedantic, warn about use of ~
3264 for complex conjugation.
3266 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
3268 * contrib.texi: Update my entry.
3270 Sun Sep 17 18:48:32 2000 Denis Chertykov <denisc@overta.ru>
3272 * config/avr/avr.md (mcu_enhanced): New attribute.
3273 (mcu_mega): Likewise.
3274 (extendhisi2): Use mcu_enhanced.
3275 (zero_extendhisi2): Likewise.
3276 (call_insn): Use mcu_enhanced and mcu_mega.
3277 (call_value_insn): Likewise.
3278 (*sbrx_branch): Use mcu_mega.
3279 (*sbrx_and_branchsi): Likewise.
3280 (*sbrx_and_branchhi): Likewise.
3281 (*tablejump_lib): Likewise.
3283 Sun Sep 17 10:46:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3285 * alias.c (true_dependence): Allow non-unchanging read to conflict
3286 with unchanging write.
3288 * expr.c (store_constructor_field): Accept ALIAS_SET arg.
3289 (store_constructor): Pass alias_set to it.
3291 * c-decl.c (grokdeclarator): Reorder tests to avoid looking at
3292 TYPE_MAIN_VARIANT of ERROR_MARK.
3293 * c-lex.c (readescape): Avoid using printf syntax we don't recognize.
3295 * simplify-rtx.c (simplify_unary_operation): Add cases
3296 FLOAT_EXTEND and FLOAT_TRUNCATE to ones that return 0.
3298 2000-09-17 Bernd Schmidt <bernds@redhat.co.uk>
3300 * expr.h (emit_library_call, emit_library_call_value): Delete
3302 * rtl.h (enum libcall_type): New.
3303 (emit_library_call, emit_library_call_value): Change fn_type arg to
3304 be of type enum libcall_type.
3305 * calls.c: Likewise for the function definitions. Several callers
3306 throughout changed to use the new enumeration appropriately.
3307 (emit_library_call_value_1): Likewise. Put back code to make libcall
3308 blocks of equal form, but only use it for the two new higher
3311 2000-09-16 Mark Mitchell <mark@codesourcery.com>
3313 Convert the C front-end to use function-at-a-time mode.
3314 * c-common.h: Include splay-tree.h.
3315 (C_DECLARED_LABEL_FLAG): New macro.
3316 (struct language_function): Add x_scope_stmt_stack and
3317 x_function_name_declared_p.
3318 (RECHAIN_STMTS): Move definition.
3319 (lang_statment_code_p): Likewise.
3320 (lang_expand_stmt): Likewise.
3321 (lang_expand_decl_stmt): New variable.
3322 (lang_expand_function_end): Likewise.
3323 (current_scope_stmt_stack): New function.
3324 (add_decl_stmt): Likewise.
3325 (add_scope_stmt): Likewise.
3326 (mark_stmt_tree): Likewise.
3327 (struct c_lang_decl): New structure.
3328 (DECL_SAVED_TREE): Define.
3329 (c_mark_lang_decl): New function.
3330 (c_expand_start_cond): Change prototype.
3331 (c_finish_then): New function.
3332 (c_finish_else): Likewise.
3333 (current_function_name_declared): Remove.
3334 (set_current_function_name_declared): Likewise.
3335 (mark_c_language_function): Declare.
3336 (case_compare): Likewise.
3337 (c_add_case_label): Likewise.
3338 (c_expand_expr): Likewise.
3339 (c_safe_from_p): Likewise.
3340 * c-common.c (lang_expand_function_end): New variable.
3341 (struct if_elt): Add if_stmt.
3342 (c_expand_start_cond): Add the if-statement to the statement-tree,
3343 rather than generating RTL.
3344 (c_finish_then): New function.
3345 (c_expand_start_else): Don't generate RTL.
3346 (c_finish_else): New function.
3347 (c_expand_expr_stmt): Don't generate RTL.
3348 (statement_code_p): Add SCOPE_STMT.
3349 (case_compare): New function.
3350 (c_add_case_label): Likewise.
3351 (mark_stmt_tree): Likewise.
3352 (c_mark_lang_decl): Likewise.
3353 (mark_c_language_function): Likewise.
3354 (c_expand_expr): Likewise.
3355 (c_safe_from_p): Likewise.
3356 * c-decl.c (c_stmt_tree): New variable
3357 (c_scope_stmt_stack): Likewise.
3358 (c_function_name_declared_p): Likewise.
3359 (lang_expand_expr_stmt): Remove.
3360 (poplevel): Don't call output_inline_function for nested
3362 (pushdecl): Don't set DECL_CONTEXT for a local declaration of an
3364 (redeclaration_error_message): Change means of computing whether
3365 or not a function is nested.
3366 (lookup_label): Don't call label_rtx.
3367 (init_decl_processing): Add more GC roots.
3368 (start_decl): Add DECL_STMTs to the statement-tree, rather than
3369 calling rest_of_decl_compilation.
3370 (finish_decl): Don't call expand_decl.
3371 (store_parm_decls): Begin the statement-tree, but don't generate
3373 (finish_function): Tie off the statement-tree. Call c_expand_body
3375 (c_expand_body): New function.
3376 (push_c_function_context): Save more information.
3377 (pop_c_function_contxt): Likewise.
3378 (copy_lang_decl): Now that we use DECL_LANG_SPECIFIC, copy it.
3379 (lang_mark_tree): Mark it.
3380 (current_stmt_tree): Adjust.
3381 (current_scope_stmt_stack): New function.
3383 (set_current_name_declared): Likewise.
3384 (c_begin_compound_stmt): Define.
3385 (c_expand_decl_stmt): Likewise.
3386 * c-lang.c: Include rtl.h and expr.h.
3387 (lang_init): Set more language-specific hooks.
3388 * c-lex.c: Include expr.h.
3389 * c-parse.in: Changes throughout to add statements to the
3390 statement-tree, rather than generating RTL after every statement.
3391 * c-semantics.c (lang_expand_decl_stmt): Define.
3392 (add_decl_stmt): New function.
3393 (add_scope_stmt): Likewise.
3394 (finish_stmt_tree): Tweak.
3395 (genrtl_expr_stmt): Likewise.
3396 (genrtl_decl_stmt): Handle local labels, and call
3397 lang_expand_decl_stmt if required.
3398 (genrtl_for_stmt): Fix line-number handling.
3399 (genrtl_case_label): Handle cleanups.
3400 (genrtl_asm_stmt): Don't call combine_strings.
3401 (genrtl_compound_stmt): Simplify.
3402 (expand_stmt): Handle SCOPE_STMTs.
3403 * c-tree.h (struct lang_decl): New structure.
3404 (C_DECLARED_LABEL_FLAG): Remove.
3405 (c_begin_compound_stmt): Declare.
3406 (c_expand_decl_stmt): Likewise.
3407 (c_expand_start_case): Rename to c_start_case.
3408 (c_finish_case): New function.
3409 * c-typeck.c (start_init): Tweak setting of
3410 constructor_incremental.
3411 (c_expand_asm_operands): Tweak error-handling. Add to the
3413 (c_expand_return): Add to the statement-tree.
3414 (c_expand_start_case): Rename to ...
3415 (c_start_case): ... this.
3416 (struct c_switch): New type.
3417 (switch_stack): New variable.
3418 (do_case): Simplify.
3419 (c_finish_case): New function.
3420 * dependence.c: Include expr.h.
3421 (enum dependence_type): Change spelling of enumerals.
3422 (check_node_dependence): Adjust.
3423 * expr.h (lang_safe_from_p): Declare.
3424 (safe_from_p): Likewise.
3425 * expr.c (lang_safe_from_p): New variable.
3426 (safe_from_p): Give it external linkage. Use lang_safe_from_p.
3427 * stmt.c (expand_expr_stmt): Avoid clobberring of last_expr_type.
3428 * toplev.c (rest_of_decl_compilation): Robustify.
3429 * tree.c (contains_placeholder_p): Likewise.
3430 * Makefile.in: Update dependencies.
3431 * objc/objc-act.h: Adjust calculation of value for dummy_tree_code.
3432 * objc/objc-act.c: Include rtl.h, expr.h, and c-common.h.
3433 (objc_expand_function_end): New function.
3434 (finish_method_def): Use it.
3435 (init_objc): Initialize more language-specific hooks.
3436 * objc/Make-lang.in: Update dependencies.
3438 2000-09-16 Geoffrey Keating <geoffk@cygnus.com>
3440 * configure.in: Define macros that affect features before
3441 testing for features. Don't define _XOPEN_SOURCE.
3442 * configure: Regenerated.
3443 * config.in: Regenerated.
3445 Sat Sep 16 19:42:50 EDT 2000 John Wehle (john@feith.com)
3447 * rtlanal.c (rtx_varies_p): Volatile asms vary.
3448 (rtx_unstable_p): Restructure code. Volatile asms
3451 Sat Sep 16 14:35:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3453 * function.h (no_debugging_symbols): New field.
3454 * integrate.c (save_for_inline): Renamed from save_for_inline_nocopy.
3455 Initialize no_debugging_symbols.
3456 (output_inline_function): Save and restore write_symbols and set from
3457 no_debugging_symbols.
3458 * toplev.c (rest_of_compilation): Call save_for_inline.
3459 * tree.h: Update comment.
3461 * stor-layout.c (place_field): Don't do anything if field or
3462 its type are ERROR_MARK.
3464 Sat Sep 16 19:14:00 2000 Laurynas Biveinis <lauras@softhome.net>
3466 * cppfiles.c (purge_cache): Use munmap only if MMAP_THRESHOLD defined.
3467 (read_include_file): Ensure inc->mmaped is initialized.
3469 2000-09-16 Richard Henderson <rth@cygnus.com>
3471 * cppiles.c (purge_cache): Use PTR not caddr_t.
3473 2000-09-16 Hans-Peter Nilsson <hp@axis.com>
3475 * gcc.c: In description for %{<S}, say the option removed is -S.
3476 * invoke.texi (Spec Files): Ditto.
3478 2000-09-16 Andreas Jaeger <aj@suse.de>
3480 * configure.in: Always define _GNU_SOURCE to make interfaces
3481 visible that were hidden by only defining _GNU_SOURCE.
3482 * configure: Regenerated.
3484 Sat 16-Sep-2000 08:13:45 BST Neil Booth <NeilB@earthling.net>
3486 * cpplex.c (push_macro_context): Set an argument's level after
3487 calling parse_args. We could loop infinitely otherwise.
3489 2000-09-15 Tom Tromey <tromey@cygnus.com>
3491 * configure, config.in: Rebuilt.
3492 * configure.in: Check for iconv.h. Define _XOPEN_SOURCE.
3494 2000-09-15 Greg McGary <greg@mcgary.org>
3496 * cppmacro.c (check_trad_stringification): Check token
3497 text pointers against limit before dereferencing.
3499 2000-09-15 Joseph S. Myers <jsm28@cam.ac.uk>
3501 * c-common.c (format_wanted_type): New structure.
3502 (check_format_types): New function.
3503 (check_format_info): Pass all checking of types of format
3504 arguments, including width and precision arguments, to this new
3507 2000-09-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3509 * BUGS: Remove file.
3511 2000-09-15 Jakub Jelinek <jakub@redhat.com>
3513 * config/alpha/alpha.c (override_options): ev6 cache latencies
3514 from Richard Henderson. Don't allow -mmemory-latency=L0.
3516 * config/alpha/alpha.h (TARGET_CPU_EV5, TARGET_CPU_EV6): Define.
3517 (TARGET_OPTIONS): Add tune=.
3518 (alpha_tune_string): Declare.
3519 * config/alpha/alpha.c (override_options): Add cpu_table.
3520 Use alpha_cpu_string first to set both alpha_cpu and target_flags
3521 and then alpha_tune_string to set alpha_cpu only.
3522 Replace tests for PROCESSOR_EV* with TARGET_CPU_EV* tests.
3523 * config/alpha/elf.h (ASM_FILE_START): Likewise.
3524 * config/alpha/osf.h (ASM_FILE_START): Likewise.
3525 * config/alpha/openbsd.h (ASM_FILE_START): Likewise.
3527 Fri Sep 15 19:45:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
3529 * i386-protos.h (no_comparison_operator, uno_comparison_operator):
3531 (ix86_comparison_operator, ix86_cc_mode): Declare
3532 * i386.h (CCGC, CCGCO): New modes.
3533 (SELECT_CC_MODE): Move offline to ....
3534 * i386.c (ix86_cc_mode): .... here; use new modes.
3535 (ix86_comparison_operator): New.
3536 (fcmov_comparison_operator): Ensure proper mode.
3537 (put_condition_mode): More sanity checking.
3538 (ix86_match_ccmode): Handle new modes.
3539 (ix86_expand_fp_compare): GEU requires CCmode.
3540 (ix86_expand_strlensi_unroll_1): Use emit_cmp_and_jump_insn instead of
3542 * i386.md (cmp?i_ccz_1): Remove
3543 (cmp?i_ccno_1): Use ix86_match_ccmode.
3544 (cmp?i_minus_1): New.
3545 (cmpsi_1): New expander.
3546 (cmpqi_ext_1): Use match_ccmode
3547 (cmpqi_ext_3): New expander.
3548 (cmpqi_ext_3_insn): Rename from cmpqi_ext_3.
3549 (cmpqi_ext_4): Use match_ccmode.
3550 (add?i_?): Use match_ccmode.
3552 (test?i_ccz_1): Remove
3554 (testsi_ccno_1, testqi_ccz_1, testqi_ext_ccno_0): New expander.
3555 (testqi_ext_0): Use ix86_match_ccmode.
3556 (*xorqi_cc_ext_1): Use ix86_match_ccmode.
3557 (xorqi_cc_ext_1): New expander.
3558 (shift patterns): Use CCGOCmode for all shifts except for sar.
3559 (setcc_?, jcc_?, miv?icc_nic): Use ix86_comparison_operator.
3560 (setcc_3, jcc_3, miv?icc_c): Remove.
3562 2000-09-15 Will Cohen <wcohen@redhat.com>
3564 * dwarf2out.c (add_const_value_attribute): Changed array into a
3565 xmalloced object, so it exists after function exit.
3566 (free_AT): Added case for dw_val_class_float to free allocated
3569 2000-09-15 Kazu Hirata <kazu@hxi.com>
3571 * config/i386/i386.md: Fix a comment typo.
3572 * gcc.c: Fix formatting.
3574 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
3576 * optabs.c (emit_libcall_block): If target is a user variable,
3577 copy to a temporary first.
3578 * expr.c (convert_move): When generating a libcall, make a libcall
3580 * calls.c (emit_library_call_value_1): Don't create a libcall
3581 sequence here; our caller will in most cases do it.
3583 * sh.h (SECONDARY_INPUT_RELOAD_CLASS): Handle moving T, MACL or
3585 (SECONDARY_OUTPUT_RELOAD_CLASS): Similar case.
3586 * sh.md (reload_outsf): Generate recognizable patterns for
3588 (floatsisf2, floatsisf2_ie, floatsisf2_i4, fix_truncsfsi2,
3589 fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i, fix_truncdfsi2,
3590 fix_truncdfsi2_i, extendsfdf2, extendsfdf2_i4, truncdfsf2,
3591 truncdfsf2_i4): Change not to use explicit references to fpul.
3592 (floatsisf2_ie): Remove USE of fpscr.
3593 (floatsisf2): Change default expansion to match this.
3594 (fix_truncsfsi2_i4_2, fix_truncdfsi2_i4 & splitters): Comment out
3597 2000-09-15 Richard Henderson <rth@cygnus.com>
3599 * expmed.c (store_bit_field): Consider naturally aligned
3600 memory for direct reference.
3602 2000-09-15 Richard Henderson <rth@cygnus.com>
3604 * config/alpha/alpha.c (alpha_expand_unaligned_load): Force all
3605 AND addresses into alias set 0.
3606 (alpha_expand_unaligned_store): Likewise.
3607 (alpha_expand_unaligned_load_words): Likewise.
3608 (alpha_expand_unaligned_store_words): Likewise.
3610 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
3612 * config/sh/sh.h (CPP_SPEC): For -m4-nofpu, define __SH4_NOFPU__.
3613 * config/sh/lib1funcs.asm (movstr_i4): Also compile if __SH4_NOFPU__
3615 * config/mips/mips.c (mips_va_arg): Args passed by reference have a
3616 rsize of UNITS_PER_WORD.
3618 Fri 15-Sep-2000 06:49:07 BST Neil Booth <NeilB@earthling.net>
3620 * cpplex.c (ON_REST_ARG): Correct the test.
3621 (maybe_paste_with_next): Duplicate a token that fail pasting,
3622 and clear its PASTE_LEFT flag, so that nested pasting attempts
3625 2000-09-14 Richard Henderson <rth@cygnus.com>
3627 * calls.c (precompute_register_parameters): Use COSTS_N_INSNS, not 2.
3628 * cse.c (rtx_cost): Likewise.
3629 * optabls.c (expand_binop): Likewise.
3630 (expand_twoval_binop, prepare_cmp_insn): Likewise.
3631 * regclass.c (copy_cost): Likewise.
3632 * reload1.c (reload_cse_move2add): Likewise.
3634 2000-09-14 Joseph S. Myers <jsm28@cam.ac.uk>
3636 * c-parse.in (reswords): Add _Complex.
3638 2000-09-14 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3640 * gcc.1: Delete documentation for -undef preprocessor option.
3642 2000-09-14 Alexandre Oliva <aoliva@redhat.com>
3644 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
3645 STARTFILE_SPEC, ENDFILE_SPEC): Remove define.
3646 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
3647 Remove undefine before config/elfos.h.
3648 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Comment out.
3650 2000-09-14 Kazu Hirata <kazu@hxi.com>
3652 * invoke.texi (H8/300 Options): Add -ms2600.
3653 * config/h8300.c (h8300_init_once): Output an error when -ms2600
3654 is used without -ms.
3655 * config/h8300.h (TARGET_MAC): New.
3656 (TARGET_SWITCHES): Add -ms2600 and -mno-s2600.
3657 (CONDITIONA_REGISTER_USAGE): Disable the mac register on any
3658 machine other than H8/S2600.
3659 * config/h8300.md: Accept mac instructions on the H8/S2600 instead
3662 2000-09-14 Alexandre Oliva <aoliva@redhat.com>, Bernd Schmidt <bernds@redhat.co.uk>
3664 * reload.c (find_reloads_address_1): Generate reloads for auto_inc
3665 pseudos that refer to the original pseudos, not only to their
3666 equivalent memory locations.
3668 Thu Sep 14 12:10:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3670 * expr.c (expand_expr, case COMPONENT_EXPR): Copy memory attributes
3671 when making new MEM.
3673 * Makefile.in (LN): Remove duplicate definition.
3675 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
3677 From Joern Rennecke:
3678 * local-alloc.c (update_equiv_regs): If there is no REG_EQUAL note
3679 on an insn and function_invariant_p returns nonzero for the source,
3680 add a REG_EQUAL note.
3682 Thu Sep 14 00:51:57 EDT 2000 John Wehle (john@feith.com)
3684 * alias.c (memrefs_conflict_p): An ADDRESSOF doesn't
3685 conflict with frame_pointer_rtx.
3687 2000-09-13 Kazu Hirata <kazu@hxi.com>
3689 * loop.c: Fix formatting.
3692 2000-09-13 Richard Henderson <rth@cygnus.com>
3694 * config/ia64/ia64.md (divsf3): New.
3695 (divsf3_internal_lat, divsf3_internal_thr): New.
3696 (divdf3, divdf3_internal_lat, divdf3_internal_thr): New.
3697 (divtf3, divtf3_internal_lat, divtf3_internal_thr): New.
3698 (adddf3_trunc, subdf3_trunc, muldf3_trunc): New.
3699 (madddf4_trunc, msubdf4_trunc, nmuldf3_trunc): New.
3700 (nmadddf4_alts, nmadddf4_trunc): New.
3701 (addtf3_truncsf, addtf3_truncdf, subtf3_truncsf): New.
3702 (subtf3_truncdf, multf3_truncsf, multf3_truncdf): New.
3703 (multf3_truncsf_alts, multf3_truncdf_alts): New.
3704 (maddtf4_truncsf, maddtf4_truncdf, maddtf4_alts_truncdf): New.
3705 (msubtf4_truncsf, msubtf4_truncdf, nmultf3_truncsf): New.
3706 (nmultf3_truncdf, nmaddtf4_truncsf, nmaddtf4_truncdf): New.
3707 (nmaddtf4_truncdf_alts): New.
3708 (recip_approx): Don't predicate.
3710 2000-09-13 Richard Henderson <rth@cygnus.com>
3712 * config/ia64/lib1funcs.asm (__divsf3): Protect fnorm.s with p6.
3714 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3716 * flags.h (flag_dump_rtl_in_asm): Declare.
3717 * toplev.c (flag_dump_rtl_in_asm): Define.
3718 (decode_d_option): Set flag_dump_rtl_in_asm and flag_print_asm_name
3719 if -dP is specified.
3720 * rtl.h (print_rtx_head): Declare.
3721 * print-rtl.c (print_rtx_head): Define.
3722 (print_rtx): Print the string pointed to by print_rtx_head
3723 at beginning of each dump line.
3724 (print_rtl): Likewise.
3725 (print_rtl_single): Likewise.
3726 * final.c (final_scan_insn): Dump the insn in the assembly
3728 * gcc.1: Document -dP option.
3729 * invoke.texi (Debugging Options): Likewise.
3731 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3733 * md.texi (Machine Constraints): Document the 68HC11 constraints.
3734 * install.texi (Configurations): Document the 68HC11&68HC12 port.
3735 * invoke.texi (Option Summary, M68hc1x Options): Document the options.
3737 Tue Sep 12 13:51:13 2000 Denis Chertykov <denisc@overta.ru>
3739 * config/avr/avr.h (ASSEMBLER_DIALECT): New macro declared.
3740 * config/avr/avr.md (*movstrqi_insn): Cleanup output template.
3741 (*clrstrqi): Likewise.
3742 (xorhi3,xorsi3,absqi2): Likewise.
3743 (one_cmplhi2,one_cmplsi2): Likewise.
3744 (addsi3): Two stupid constraint alternatives removed.
3745 (extendhisi2): Use `movw' for enhanced avr cores.
3746 (zero_extendhisi2): Likewise.
3748 Wed Sep 13 02:31:23 EDT 2000 John Wehle (john@feith.com)
3750 * alias.c (find_base_term): Use frame_pointer_rtx
3751 when handling an ADDRESSOF.
3753 * cse.c (canon_hash): Handle USE of BLKmode memory.
3754 (cse_insn): Outgoing arguments for a libcall don't
3755 affect any recorded expressions.
3757 2000-09-12 Tom Tromey <tromey@cygnus.com>
3759 * configure, config.in: Rebuilt.
3760 * configure.in: Check for iconv, nl_langinfo, langinfo.h.
3762 2000-09-12 Jakub Jelinek <jakub@redhat.com>
3764 * c-lex.c (lex_string): Use charwidth to compute bytemask.
3765 * expr.c (expand_expr): Don't optimize constant array references
3766 initialized with wide string constants.
3768 2000-09-13 Michael Hayes <mhayes@cygnus.com>
3770 * loop.c (note_set_pseudo_multiple_uses): Correct.
3772 2000-09-12 Jim Wilson <wilson@cygnus.com>
3774 * ifcvt.c (noce_process_if_block): If A and B are the same, and no
3775 else block, and X has side-effects, then fail.
3777 2000-09-12 Greg McGary <greg@mcgary.org>
3779 * config/mips/mips-protos.h
3780 (trap_cmp_op, mips_gen_conditional_trap): New func decls.
3781 * config/mips/mips.h (ISA_HAS_COND_TRAP): New macro.
3782 (PREDICATE_CODES): Add "trap_cmp_op".
3783 * config/mips/mips.c
3784 (trap_cmp_op, mips_gen_conditional_trap): New functions.
3785 * config/mips/mips.md (trap, conditional_trap): New patterns.
3787 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
3789 * flow.c (try_pre_increment_1): Don't do anything to sets of the stack
3792 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3794 * builtins.c (built_in_decls): New array.
3795 (expand_builtin_fputs): New function.
3796 (expand_builtin): Handle BUILT_IN_FPUTC and BUILT_IN_FPUTS.
3798 * builtins.def (BUILT_IN_FPUTC, BUILT_IN_FPUTS): New members.
3800 * c-common.c (c_common_nodes_and_builtins): Handle fputc/fputs.
3802 * tree.h (built_in_decls): New array.
3804 Tue Sep 12 08:53:57 2000 Jeffrey A Law (law@cygnus.com)
3806 * convex.md: Use "+" instead of "=" for outputs wrapped in a
3808 * i370.md, i386.md, ns32k.md, sh.md, vax.md: Likewise.
3810 2000-09-12 Kazu Hirata <kazu@hxi.com>
3812 * haifa-sched.c: Fix formatting.
3814 * genattrtab.c: Fix formatting.
3816 * unroll.c: Fix formatting.
3818 2000-09-12 Bruce Korb <bkorb@gnu.org>
3820 * fixinc/fixfixes.c: make a type for the fix procedure & use it,
3821 remove obsolete code
3822 * fixinc/fixincl.c: Use PARAMS, not _P_. Add no-op default to switch.
3823 * fixinc/fixincl.tpl: make non-exported arrays static scope
3824 * fixinc/fixincl.x: regenerate
3825 * fixinc/fixlib.h: Use PARAMS, not _P_
3826 * fixinc/fixtests.c: make a type for the test proc & use it
3827 * fixinc/server.h: Use PARAMS, not _P_
3829 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3831 * c-typeck.c (process_init_element): Avoid union init warnings on
3832 floating point zero. Don't crash on unions containing structs.
3834 2000-09-12 Alexandre Oliva <aoliva@redhat.com>
3836 * config/sh/sh.h (PREDICATE_CODES): Add CONST_DOUBLE to
3837 general_movsrc_operand, and remove CONST_INT from
3838 general_movdst_operand.
3840 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
3842 * cse.c (approx_reg_cost): If SMALL_REGISTER_CLASSES, return INT_MAX
3843 if a reference to non-fixed hardreg is seen. Otherwise, count hard
3844 regs with a higher cost.
3845 (preferrable): Deal with cases where either cost or regcost is
3847 (cse_insn): Use MAX_COST rather than 10000. Always initialize
3849 (COSTS_N_INSNS): Move definition...
3851 (MAX_COST): New macro.
3852 * loop.c (init_loop): Use COSTS_N_INSNS macro instead of hardcoded
3855 2000-09-11 Mark Mitchell <mark@codesourcery.com>
3857 * c-common.h (genrtl_clear_out_block): Remove.
3858 * c-semantics.c (genrtl_clear_out_block): Remove.
3859 (genrtl_while_stmt): Don't call it.
3860 (genrtl_for_stmt): Likewise.
3862 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
3864 * cppfiles.c: Move all default-#defines to top of file.
3865 (open_include_file): Replace by lookup_include_file.
3866 (read_with_read, read_file): Merged into read_include_file.
3867 (stack_include_file, purge_cache): New functions.
3868 (close_cached_fd): Delete.
3869 (lookup_include_file, read_include_file, _cpp_pop_file_buffer):
3870 Cache the in-memory buffer, not the file descriptor.
3872 * cpphash.h (struct include_file): Add buffer, st, refcnt,
3874 (xcnew): New utility macro.
3875 (DO_NOT_REREAD, NEVER_REREAD): Move up by struct include_file.
3876 * cpplib.h (struct cpp_buffer): Remove mapped field.
3878 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
3880 * cpplex.c (parse_string): Accept backslash space newline as a
3882 (lex_line): Likewise.
3883 (_cpp_get_token): Remove hard limit on macro nesting.
3885 2000-09-12 Philipp Thomas <pthomas@suse.de>
3887 * aclocal.m4 (AM_WITH_NLS): Don't force use of included gettext.
3888 * configure: Rebuilt.
3890 2000-09-13 Michael Hayes <mhayes@cygnus.com>
3892 * flow.c (split_block): Fix update of registers live at
3895 Tue Sep 12 01:51:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
3897 * i386.md (add?i_3, add?i_5): New.
3898 (add?i_4): Rename from add?i_3; Fix compare pattern.
3899 (sub?i_3, xor?i_3, ior?i_3): New.
3901 * genrecog.c (write_tree): Output code to clear insn_extract cache.
3902 * genattrtab.c (write_attr_case): Gen call to extract_insn_cache
3903 instead of extract_insn and extract_constrain_insn_cache instead of
3904 extract_insn and constrain_operands.
3905 * recog.c (extract_insn_cached, extract_constrain_insn_cached):
3907 (extract_insn): Clear which_alternative.
3908 (constrain_operands): Set which_alternative to -1 when failed.
3909 * recog.h (extract_constrain_insn_cached, extract_insn_cached):
3912 2000-09-11 Matthew Hiller <hiller@redhat.com>
3914 * config/h8300/h8300.md (movstrictqi): Changed constraint modifier
3915 on operand 0 to '+'.
3916 (movstricthi): Likewise.
3918 2000-09-12 Michael Hayes <mhayes@cygnus.com>
3920 * loop.h (LOOP_IVS): New macro.
3921 (REG_IV_TYPE, REG_IV_INFO): Add ivs argument.
3922 (struct loop_ivs): New.
3923 (struct loop_info): Add ivs field.
3924 (reg_iv_type, reg_iv_info): Delete prototype.
3925 (reg_biv_class, loop_iv_list): Likewise.
3926 * loop.c (record_biv, find_life_end): Pass loop argument.
3927 (reg_iv_type): Remove global array and use
3928 field in loop_regs structure within loop_ivs structure.
3929 (reg_iv_info, reg_biv_class, loop_iv_list): Likewise.
3930 (first_increment_giv, last_increment_giv): Use entry in
3932 (record_initial): Pass ivs pointer.
3933 * unroll.c (copy_loop_body, remap_split_bivs): Add loop argument.
3935 2000-09-12 Michael Hayes <mhayes@cygnus.com>
3937 * loop.h (LOOP_REGS): New macro.
3938 (struct loop_regs): New.
3939 (struct loop_info): Add regs field.
3940 * loop.c (set_in_loop): Remove global array and store
3941 in loop_regs structure as part of loop_info structure.
3942 (n_times_set, may_not_optimize): Likewise.
3943 (reg_single_usage, moved_once): Likewise.
3944 (count_one_set): Add regs argument.
3945 (combine_movables, rtx_equal_for_loop_p, combine_givs): Likewise.
3946 (set_pseudo_multiple_uses): Pass regs pointer.
3948 2000-09-12 Michael Hayes <mhayes@cygnus.com>
3950 * unroll.c (iteration_info): Subsume into loop_iterations.
3951 * loop.h (loop_info): New field iv.
3953 2000-09-12 Michael Hayes <mhayes@cygnus.com>
3955 * basic-block.h (LOOP_TREE, LOOP_PRE_HEADER, LOOP_EDGES): New.
3956 (LOOP_EXITS_DOMS, LOOP_ALL): Likewise.
3957 (flow_loops_update): New prototype.
3958 (flow_loops_find): Add flags to prototype.
3959 (struct loop): Add `pre_header_root' and `pre_header_trace' fields.
3960 * flow.c (flow_loop_pre_header_scan): New.
3961 (flow_loop_dump): Dump pre-header root and trace and exit dominators.
3962 (flow_loop_free): Free pre-header root and trace and exit dominators.
3963 (flow_loops_find): New argument flags.
3964 (flow_loops_update): New function.
3965 * toplev.c (rest_of_compilation): Add flag argument to flow_loops_find.
3967 2000-09-12 Michael Hayes <mhayes@cygnus.com>
3969 * basic-block.h (split_block, update_bb_for_insn): New prototypes.
3970 * flow.c (split_block, update_bb_for_insn): New functions.
3972 2000-09-11 Richard Henderson <rth@cygnus.com>
3974 * cse.c (fold_rtx): Honor NO_FUNCTION_CSE.
3976 2000-09-11 Richard Henderson <rth@cygnus.com>
3978 * config/ia64/ia64-protos.h (fr_nonimmediate_operand): Declare.
3979 * config/ia64/ia64.c (fr_nonimmediate_operand): New.
3980 (ia64_override_options): Prevent optimizing division for both
3981 latency and throughput.
3982 (rtx_needs_barrier): Handle frcpa.
3983 * config/ia64/ia64.h (MASK_INLINE_DIV_LAT): New.
3984 (MASK_INLINE_DIV_THR, TARGET_INLINE_DIV_LAT): New.
3985 (TARGET_INLINE_DIV_THR, TARGET_INLINE_DIV): New.
3986 (TARGET_SWITCHES): Add -minline-divide-min-latency and
3987 -minline-divide-max-throughput.
3988 (PREDICATE_CODES): Update.
3989 * config/ia64/ia64.md (extendsidi2): Remove * from f case.
3990 (zero_extendsidi2): Likewise. Fix typo in f case insn.
3991 (extendsfdf2): Add cases for gr<->fr and fr<->mem.
3992 (extendsftf2): Likewise.
3993 (extenddftf2): Likewise.
3994 (fix_trunctfdi2_alts): New.
3995 (fixuns_trunctfdi2_alts): New.
3996 (madd*4): Rename from madd*3.
3997 (divsi3, modsi3, udivsi3, umodsi3): New.
3998 (divsi3_internal): New.
3999 (divdi3, moddi3, udivdi3, umoddi3): New.
4000 (divdi3_internal_lat, divdi3_internal_thr): New.
4001 (multf3_alts, maddtf4_alts, nmaddtf4_alts): New.
4002 (recip_approx): New.
4004 2000-09-11 Alexandre Oliva <aoliva@redhat.com>
4006 * print-rtl.c (debug_call_placeholder_verbose): New variable.
4007 (print_rtx) [CALL_PLACEHOLDER]: Dump all call sequences if it is
4009 * integrate.c (copy_rtx_and_substitute): Don't share
4010 LEAF_REG_REMAPpable registers with the inlined function. Don't
4011 share the function value with calling sequences.
4013 2000-09-11 Jakub Jelinek <jakub@redhat.com>
4015 * c-decl.c (do_case): Fix a typo.
4017 * combine.c (simplify_if_then_else): Don't convert a == b ? b : a
4018 to a if the comparison is floating mode and not -ffast-math.
4019 * simplify-rtx.c (simplify_ternary_operation): Likewise.
4021 Mon Sep 11 20:07:48 2000 J"orn Rennecke <amylaar@redhat.co.uk>
4023 * sh.h (INITIALIZE_TRAMPOLINE): Remove stray call to
4024 gen_ic_invalidate_line.
4026 2000-09-11 Philip Blundell <pb@futuretv.com>
4028 * config/arm/elf.h (SUBTARGET_CPP_SPEC): Don't define `arm_elf'.
4030 Mon Sep 11 10:48:41 2000 Ulrich Drepper <drepper@redhat.com>
4032 * install.texi (LANGUAGES): Update to include new languages.
4035 2000-09-11 DJ Delorie <dj@redhat.com>
4037 * gcc.c (main): Don't warn about unused -B prefixes
4038 (unused_prefix_warnings): remove
4040 2000-09-11 Kazu Hirata <kazu@hxi.com>
4042 * final.c: Fix formatting.
4044 * integrate.c: Fix formatting.
4046 2000-09-11 Geoff Keating <geoffk@cygnus.com>
4048 * alias.c (memrefs_conflict_p): An ADDRESSOF does conflict, sorry.
4050 2000-09-11 Bernd Schmidt <bernds@redhat.co.uk>
4052 * reload.c (regno_clobbered_p): Fix thinko in previous change.
4054 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4056 * gcc.1: Document 68hc11 specific options.
4058 2000-09-10 Geoff Keating <geoffk@cygnus.com>
4060 * config/rs6000/sysv4.h (MASK_LONG_DOUBLE_128): Define.
4061 (TARGET_LONG_DOUBLE_128): Define.
4062 (SUBTARGET_SWITCHES): Add -mlong-double-64 and -mlong-double-128.
4063 (LONG_DOUBLE_TYPE_SIZE): Redefine.
4064 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
4065 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on definition
4066 of __LONG_DOUBLE_128__.
4067 (CPP_SYSV_SPEC): Define __LONG_DOUBLE_128__ if -mlong-double-128
4069 (CPP_LONGDOUBLE_DEFAULT_SPEC): Define.
4070 (CPP_SYSV_DEFAULT_SPEC): Define.
4071 (SUBTARGET_EXTRA_SPECS): Add cpp_longdouble_default.
4072 (INIT_TARGET_OPTABS): Define.
4074 * config/rs6000/aix.h (RS6000_ITRUNC): Moved from rs6000.h.
4075 (RS6000_UITRUNC): Likewise.
4076 (INIT_TARGET_OPTABS): New macro.
4077 * config/rs6000/rs6000.c (rs6000_trunc_used): Delete.
4078 (trunc_defined): Delete.
4079 (output_prolog): Don't output .extern definitions for fp->int
4080 conversion routines, ASM_OUTPUT_EXTERNAL_LIBCALL will do it.
4081 * config/rs6000/rs6000.h (rs6000_trunc_used): Delete.
4082 (trunc_defined): Delete.
4083 (RS6000_ITRUNC): Moved to aix.h.
4084 (RS6000_UITRUNC): Likewise.
4085 * config/rs6000/rs6000.md (fix_truncdfsi2): Fail if it would
4086 only emit a libcall.
4087 (fixuns_truncdfsi2): Delete.
4088 (trunc_call): Delete.
4089 (trunc_call_rtl): Delete.
4091 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
4093 * varasm.c (make_decl_rtl): Restore leading star on
4094 DECL_ASSEMBLER_NAME set for decls with an asmspec.
4096 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
4098 * c-pragma.c (handle_pragma_pack): Correct parsing logic so it
4099 won't give a spurious error for '#pragma pack()'. Simplify
4100 control flow for readability. 'reset' action is not necessary.
4102 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
4104 * defaults.h: Provide default definitions for: CHAR_TYPE_SIZE,
4105 SHORT_TYPE_SIZE, INT_TYPE_SIZE, LONG_TYPE_SIZE,
4106 LONG_LONG_TYPE_SIZE, WCHAR_TYPE_SIZE, FLOAT_TYPE_SIZE,
4107 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE, and WCHAR_UNSIGNED.
4109 * cppexp.c, dwarfout.c, dwarf2out.c, emit-rtl.c, final.c, optabs.c,
4110 profile.c, sdbout.c, tradcif.y, tree.c:
4111 Include defaults.h if not already included.
4112 Don't define the above macros.
4114 * Makefile.in: Update dependencies.
4116 2000-09-10 Mark Mitchell <mark@codesourcery.com>
4118 * c-common.h (add_stmt): Change prototype.
4119 (RECHAIN_STMTS): New macro.
4120 (CASE_LABEL_DECL): Likewise.
4121 (genrtl_case_label): Change prototype.
4122 (c_expand_start_case): Remove prototype.
4123 (build_case_label): Change prototype.
4124 (decl_constant_value): Declare.
4125 * c-common.c (check_case_value): Handle C++'s extensions to C
4127 * c-commnon.def (CASE_LABEL): Add room for the CASE_LABEL_DECL
4129 * c-parse.in (stmt): Adjust handling of return statements and case
4131 * c-semantics.c (add_stmt): Return the new statement.
4132 (genrtl_return_stmt): Take the RETURN_STMT as input, not the
4133 returned expression. Directly generate RTL, rather than calling
4135 (genrtl_switch_stmt): Don't call c_expand_start_case.
4136 (build_case_label): Take the LABEL_DECL as input, too.
4137 (genrtl_case_label): Just call add_case_node.
4138 (expand_stmt): Adjust calls to genrtl_return_stmt and
4140 * c-tree.h (c_expand_start_case): Declare.
4141 * c-typeck.c (decl_constant_value): Give it external linkage.
4142 (c_expand_return): Don't call expand_return or expand_null_return;
4143 use genrtl_return_stmt instead.
4144 * stmt.c (struct nesting): Remove num_ranges field.
4145 (add_case_node): Give it external linkage.
4146 (expand_start_case): Don't set num_ranges.
4147 (expand_start_case_dummy): Don't clear it.
4148 (pushcase): Rely on add_case_node to handle `default' labels.
4149 (add_case_node): Handle `default' labels.
4150 * tree.c (tree_int_cst_compare): New function.
4151 * tree.h (tree_int_cst_compare): Declare.
4152 (add_case_node): Likewise.
4154 2000-09-10 Richard Henderson <rth@cygnus.com>
4156 * c-parse.in: Revert last change.
4157 (init_reswords): Do not enter disabled keywords into the ridpointers
4158 table, modulo objc weirdness.
4159 (_yylex): Return the canonical spelling for a keyword.
4161 2000-09-10 Philip Blundell <philb@gnu.org>
4163 * config/arm/arm.h (CPP_ISA_SPEC): Don't define `arm' or `thumb'.
4164 * config/arm/linux-elf.h (CPP_PREDEFINES): Don't define `__arm__'.
4166 Sun Sep 10 14:30:28 EDT 2000 John Wehle (john@feith.com)
4168 * alias.c (find_base_term): Handle ADDRESSOF.
4169 (memrefs_conflict_p): An ADDRESSOF doesn't conflict.
4171 2000-09-10 Denis Chertykov <denisc@overta.ru>
4173 * genoutput.c (output_insn_data): Translate <NEWLINE> to \n\ while
4174 outputting templates with many lines.
4176 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4178 * libgcc2.h: Use LONG_LONG_TYPE_SIZE instead of MIN_UNITS_PER_WORD
4179 to decide whether 64-bit support must be generated.
4181 2000-09-10 Richard Henderson <rth@cygnus.com>
4183 * c-parse.in (asm patterns): Fix volatile check.
4185 2000-09-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4187 * cppmacro.c (check_trad_stringification): New function.
4188 (save_expansion): If -Wtraditional, warn about stringification of
4191 2000-09-11 Michael Hayes <mhayes@cygnus.com>
4193 * loop.h (struct loop_mem_info): Move from loop.c
4194 (struct loop_info): Add fields store_mems, mems, mems_idx,
4195 mems_allocated, unknown_address_altered,
4196 unknown_constant_address_altered, num_mem_sets, and
4197 first_loop_store_insn.
4199 * loop.c (loop_store_mems): Replace with field in loop_info struct.
4200 (loop_mems, loop_mems_idx, loop_mems_allocated): Likewise.
4201 (unknown_address_altered, unknown_constant_address_altered): Likewise.
4202 (num_mem_sets): Likewise.
4203 (replace_loop_mems, replace_loop_regs): New.
4204 (struct loop_replace_args): New.
4205 (load_mems): Use replace_loop_mems.
4206 (try_copy_prop): Use replace_loop_regs.
4207 (replace_loop_reg, replace_loop_mem): Use loop_replace_args structure.
4209 2000-09-09 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4211 * configure.in: Recognize m6811-elf and m6812-elf.
4212 * configure: Regenerate.
4214 2000-09-09 Geoff Keating <geoffk@cygnus.com>
4216 * recog.c (validate_replace_rtx_1): Correct MODE parameter in call
4219 2000-09-10 Michael Hayes <mhayes@cygnus.com>
4221 * loop.c (struct movables): New.
4222 (num_movables): Move into struct movables.
4223 (the_movables): Change type to struct movables.
4224 (ignore_some_movables): Change struct movable arg to struct movables.
4225 (force_movables, combine_movables, regs_match_p): Likewise.
4226 (rtx_equal_for_loop_p, move_movables): Likewise.
4227 (scan_loop): Change movables to be of type struct movables.
4228 Replace last_movable with field in movables structure.
4230 2000-09-08 Zack Weinberg <zack@wolery.cumb.org>
4232 * c-pragma.c: Don't elide entire file if !HANDLE_GENERIC_PRAGMAS.
4233 (init_pragma): Avoid warning if pfile happens to be unused.
4234 * c-pragma.h: Never define HANDLE_GENERIC_PRAGMAS. Never
4235 define init_pragma to nothing. Always prototype
4236 init_pragma. Prototype dispatch_pragma if !USE_CPPLIB.
4238 * c-lex.c (process_directive): Always call dispatch_pragma.
4239 Initialize entering_c_header to 0.
4241 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4243 * config/m68hc11/m68hc11.md: New file, machine description for
4245 * config/m68hc11/m68hc11.h: New file, definitions for 68HC11 & 68HC12.
4246 * config/m68hc11/m68hc11.c: New file, functions for 68HC11 & 68HC12.
4247 * config/m68hc11/m68hc12.h: New file, definitions for 68HC12.
4248 * config/m68hc11/m68hc11-protos.h: New file.
4249 * config/m68hc11/m68hc11-crt0.S: New file, startup code.
4250 * config/m68hc11/t-m68hc11-gas: New file, makefile fragment.
4251 * config/m68hc11/xm-m68hc11.h: New file, target defs.
4252 * config/m68hc11/larith.asm: New file, libgcc routines.
4254 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4256 * Makefile.in (DPBIT_FUNCS): Add _usi_to_df.
4257 (FPBIT_FUNCS): Add _usi_to_sf.
4258 * config/fp-bit.c (usi_to_float): New function.
4259 * config/fp-bit.h (L_usi_to_sf, L_usi_to_df): Define.
4260 (usi_to_float): Add appropriate #define.
4262 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
4264 * i386-protos.h (sse_comparison_operator, mmx_reg_operand): Declare
4266 * i386.c (sse_comparison_operator, mmx_reg_operand): New functions.
4267 * i386.md (attr "type"): Add sse and mmx types.
4268 (attr "memory"): Handle them without a crash.
4269 (movsi_1, movdi_2): Allow MMX regs.
4270 (movdi splits): Don't split moves involving MMX regs.
4271 (setcc_4): Remove '*' from pattern name so we get a gen_setcc4.
4272 (movv4sf_internal, movv4si_internal, movv8qi_internal,
4273 movv4hi_internal, movv2si_internal, movv8qi, movv4hi, movv2si,
4274 movv4sf, movv4si, pushv4sf, pushv4si, pushv8qi, pushv4hi, pushv2si,
4275 sse_movaps, sse_movups, sse_movmskps, mmx_pmovmskb, mmx_maskmovq,
4276 sse_movntv4sf, sse_movntdi, sse_movhlps, sse_movlhps, sse_movhps,
4277 sse_movlps, sse_loadss, sse_movss, sse_storess, sse_shufps,
4278 addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, mulv4sf3, vmmulv4sf3,
4279 divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2, rsqrtv4sf2, vmrsqrtv4sf2,
4280 sqrtv4sf2, vmsqrtv4sf2, sse_andti3, sse_nandti3, sse_iorti3,
4281 sse_xorti3, maskcmpv4sf3, maskncmpv4sf3, vmmaskcmpv4sf3,
4282 vmmaskncmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
4283 smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
4284 cvttps2pi, cvtsi2ss, cvtss2si, cvttss2si, addv8qi3, addv4hi3,
4285 addv2si3, ssaddv8qi3, ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3,
4286 subv4hi3, subv2si3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
4287 mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
4288 mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3, mmx_uavgv8qi3,
4289 mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pextrw, mmx_pshufw,
4290 eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3, gtv2si3, umaxv8qi3,
4291 smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3, ashrv2si3, lshrv4hi3,
4292 lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3, mmx_ashldi3,
4293 mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
4294 mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
4295 mmx_punpckldq, emms, sfence, ldmxcsr, prefetch, stmxcsr, sse_clrti,
4296 mmx_clrdi): New patterns.
4298 2000-09-08 Richard Earnshaw <rearnsha@arm.com>
4300 * arm.c: Don't include tm.h directly.
4302 Fri Sep 8 14:34:56 MET DST 2000 Jan Hubicka <jh@suse.cz>
4304 * recog.c (validate_replace_rtx_1): Fix confusion about equality
4305 testing; simplify subregs of constants and nested subregs.
4307 2000-09-08 Alexandre Oliva <aoliva@redhat.com>
4309 * config/sh/sh.md (symPLT_label2reg): Use operand3 for PIC reg.
4311 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
4313 * combine.c (combine_simplify_rtx): Try to simplify VEC_SELECT of a
4315 * rtl.texi (description of USE): Add note about possible pitfalls
4317 From Richard Henderson:
4318 * reload1.c (choose_reload_regs): Compute need_mode properly.
4320 2000-09-07 Richard Henderson <rth@cygnus.com>
4322 * config/ia64/lib1funcs.asm (__divsi3): Use .s1 for frcpa.
4323 (__modsi3, __umodsi3): Likewise.
4324 (__udivsi3): Likewise. Normalize the TFmode values.
4326 2000-09-07 Geoff Keating <geoffk@cygnus.com>
4328 * config/rs6000/sol-c0.c (_start): Declare `termfunc' parameter
4330 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Use cast to suppress
4333 Fri Sep 8 03:26:38 2000 J"orn Rennecke <amylaar@redhat.co.uk>
4335 * sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): Remove.
4336 (cmpeqdi_t): Add output pattern.
4337 (cmpeqdi_t+1): Don't split when not optimizing.
4338 Restore proper splitting operation.
4340 2000-09-07 Richard Henderson <rth@cygnus.com>
4342 * c-lex.c (process_directive): If not HANDLE_GENERIC_PRAGMAS,
4343 do not call dispatch_pragma.
4345 2000-09-07 Jim Wilson <wilson@cygnus.com>
4347 * reload.c (push_reload): Use CLASS_CANNOT_CHANGE_MODE_P in addition
4348 to CLASS_CANNOT_CHANGE_MODE.
4349 * config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE_P): True only if the
4350 mode classes are different.
4352 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
4354 * cpplib.h (struct cpp_options): Add user_label_prefix member,
4355 left out of commit which removed cppulp.c.
4357 2000-09-07 Richard Henderson <rth@cygnus.com>
4359 * bb-reorder.c (fixup_reorder_chain): Add jump in new block
4360 after switch for CASE_DROPS_THROUGH.
4362 2000-09-07 Richard Henderson <rth@cygnus.com>
4364 * loop.c (strength_reduce): Call check_ext_dependant_givs.
4365 Properly extend the biv initial value for the giv.
4366 (record_biv): Zero ext_dependant.
4367 (record_giv): New argument ext_val. Update all callers.
4368 (general_induction_var): Likewise.
4369 (consec_sets_giv): Likewise.
4370 (simplify_giv_expr): Likewise. Fill in ext_val if we find
4371 a sign-extend, zero-extend, or truncate.
4372 (combine_givs_p): Make sure modes are compatible.
4373 (check_ext_dependant_givs): New.
4374 (extend_value_for_giv): New.
4375 * loop.h (struct induction): Add ext_dependant.
4376 * unroll.c (iteration_info): Extend the biv initial value for the giv.
4377 (find_splittable_givs): Likewise.
4378 (final_giv_value): Likewise.
4380 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
4382 * c-pragma.h: Define HANDLE_GENERIC_PRAGMAS if
4383 REGISTER_TARGET_PRAGMAS is defined. Duplicate some
4384 definitions from cpplib.h.
4385 * cpplib.h: Don't typedef struct cpp_reader if c-pragma.h has
4387 * tm.texi: Document HANDLE_PRAGMA as no longer supported. Add
4388 documentation for REGISTER_TARGET_PRAGMAS.
4390 * c-lex.c: Include cpplib.h before c-pragma.h. Define a
4391 default-pragma callback to implement -Wunknown-pragmas if
4393 * c-parse.in: Move all includes to top of file.
4394 * c-pragma.c: Include cpplib.h before c-pragma.h. Include
4396 (dispatch_pragma): Put the namespace in the -Wunknown-pragmas
4398 (init_pragma): If REGISTER_TARGET_PRAGMAS is defined, call it.
4400 * arm.h, arm-protos.h, arm.c,
4401 c4x.h, c4x-protos.h, c4x.c,
4402 h8300.h, h8300-protos.h, h8300.c,
4403 i370.h, i370-protos.h, i370.c,
4404 i960.h, i960-protos.h, i960.c,
4405 sh.h, sh-protos.h, sh.c,
4406 v850.h, v850-protos.h, v850.c: Convert HANDLE_PRAGMA-based
4407 pragmata scheme to use REGISTER_TARGET_PRAGMAS instead.
4409 * d30v.h: Don't mention HANDLE_PRAGMA in comment. Add
4410 multiple include guard.
4411 * i370.md (untyped_call): Use GEN_CALL.
4412 (umodsi3): Remove unused variable.
4413 * sh/elf.h: Don't undef HANDLE_SYSV_PRAGMA.
4414 * v850.c (output_move_single, output_move_double): Constify
4416 (print_operand): Constify a char *.
4417 * v850.h (struct small_memory_info): Constify name member.
4419 2000-09-07 Kazu Hirata <kazu@hxi.com>
4421 * config/h8300.h: Fix comment typos.
4422 * config/h8300/h8300.md: Likewise.
4423 * config/h8300/lib1funcs.asm: Likewise.
4425 Thu 07-Sep-2000 21:29:00 BST Neil Booth <NeilB@earthling.net>
4427 * Makefile.in: Remove references to cppulp.{c,o}.
4428 * cppinit.c (initialize_builtins, cpp_start_read,
4429 cpp_handle_option): Update to use cpp_options structure.
4432 2000-09-07 Joseph S. Myers <jsm28@cam.ac.uk>
4434 * c-common.c (time_char_table): Allow %#b and %#h.
4436 2000-09-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4438 * reorg.c (find_end_label): If the basic block reorder pass moves the
4439 return insn to some other place try to locate it again and put our
4440 end_of_function_label there.
4441 * reorg.c (relax_delay_slots): Check if find_end_label created a
4442 new label that invalidates the current optimazation.
4444 2000-09-07 Catherine Moore <clm@redhat.com>
4446 * unroll.c (unroll_loop): Check for unconditional jumps
4447 to loop continuation. Delete if n_iterations is 1.
4448 (ujump_to_loop_cont): New routine.
4450 2000-09-07 Bernd Schmidt <bernds@redhat.co.uk>
4452 * rtl.c (class_narrowest_mode): Add entries for MODE_VECTOR_INT and
4454 * reload.c (regno_clobbered_p): Accept new arg, MODE, and use it
4455 to handle multiword modes correctly. All callers and the declaration
4458 2000-09-06 Mark Mitchell <mark@codesourcery.com>
4460 * c-common.h (prep_stmt): Declare.
4461 (lang_expand_stmt): Likewise.
4462 * c-decl.c (lang_expand_stmt): Remove.
4463 * c-semantics.c (lang_expand_stmt): Define.
4464 (prep_stmt): New function.
4465 (expand_stmt): Handle common statement types here.
4467 2000-09-07 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>, Alexandre Oliva <aoliva@redhat.com>
4469 * configure.in (sh-*-linux*): Added.
4470 * configure: Rebuilt.
4471 * config/sh/t-linux: New file.
4472 * config/sh/sh.h (USERMODE_BIT): Define.
4473 (TARGET_USERMODE): Likewise.
4474 (TARGET_SWITCHES): New switches for the bits above.
4475 (INITIALIZE_TRAMPOLINE): Call __ic_invalidate in USERMODE.
4476 * config/sh/linux.h: New file.
4477 * config/sh/lib1funcs.asm (GLOBAL): Don't prefix symbols with
4478 underscore on linux.
4479 (L_sdivsi3, L_udivsi3): Define for linux.
4480 (L_ic_invalidate): Define.
4481 * invoke.texi (SH Options): Document -musermode.
4483 2000-09-07 Alexandre Oliva <aoliva@redhat.com>
4485 * config/sh/sh.h (OVERRIDE_OPTIONS): Don't disable function
4486 CSE unless generating PIC.
4488 * config/sh/sh.md (symPLT_label2reg): Force the initialization of
4491 2000-09-06 H.J. Lu (hjl@gnu.org)
4493 * Makefile.in (clean_s1): Depend on stage_b.
4494 (clean_s2): Depend on stage_d. Don't remove $(VOL_FILES) in
4495 stage2. They are used for "make compare".
4497 2000-09-06 Mark Mitchell <mark@codesourcery.com>
4499 Move statement-tree facilities from C++ to C front-end.
4500 * c-common.h (c_tree_index): Add CTI_VOID_ZERO.
4501 (void_zero_node): New macro.
4502 (struct stmt_tree_s): New type.
4503 (stmt_tree): New typedef.
4504 (struct language_function): New type.
4505 (last_tree): New macro.
4506 (last_expr_type): Likewise.
4507 (walk_tree_fn): New typedef.
4508 (current_stmt_tree): New function.
4509 (begin_stmt_tree): Likewise.
4510 (add_stmt): Likewise.
4511 (finish_stmt_tree): Likewise.
4512 (statement_code_p): Likewise.
4513 (lang_statement_code_p): New variable.
4514 (walk_stmt_tree): New function.
4515 (STMT_IS_FULL_EXPR_P): New macro.
4516 * c-common.c (lang_statement_code_p): New variable.
4517 (c_common_nodes_and_builtins): Initialize void_zero_node.
4518 (statement_code_p): New function.
4519 (walk_stmt_tree): Likewise.
4520 * c-decl.c (language_function): Rename to ...
4521 (c_language_function): ... this. Include language_function.
4522 (push_c_function_context): Adjust accordingly.
4523 (pop_c_function_context): Likewise.
4524 (mark_c_function_context): Likewise.
4525 (current_stmt_tree): Define.
4526 * c-semantics.c (begin_stmt_tree): New function.
4527 (add_stmt): Likewise.
4528 (prune_unused_decls): Likewise.
4529 (finish_stmt_tree): Likewise.
4531 2000-09-06 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4533 * flow.c (insn_dead_p): Detect dead memory stores with auto increments.
4535 2000-09-06 Kazu Hirata <kazu@hxi.com>
4537 * calls.c: Fix formatting.
4539 2000-09-06 Graham Stott <grahams@cygnus.co.uk>
4541 * config/i386/i386.h (ADDRESS_COST): Fix typo.
4543 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
4545 Integrated preprocessor.
4547 * Makefile.in: Remove all references to c-parse.gperf,
4548 c-gperf.h, and c-parse.h. Remove -d from yacc command line
4549 generating c-parse.c. Update dependencies.
4550 * c-parse.gperf, c-gperf.h: Delete.
4552 * c-common.c: Don't define parse_options, cpp_token, yy_cur,
4553 yy_lim, or yy_get_token. Don't define get_directive_line if
4555 * c-common.h: Add multiple include guard. Define RID values
4556 for every keyword in C, C++, and Objective C. Put all the
4558 (struct c_fileinfo, get_fileinfo, dump_time_statistics): New.
4559 * c-decl.c (c_decode_option): Handle -lang-objc here.
4560 (print_lang_identifier): Handle C_IS_RESERVED_WORD case.
4561 (grokdeclarator): Adjust for new RID scheme.
4562 (extract_interface_info): New stub.
4563 * c-lang.c: Don't declare yy_cur or parse_options.
4564 (lang_init_options): Call cpp_init. Don't call
4566 (lang_init): Don't call check_newline if USE_CPPLIB.
4568 * c-lex.c: Don't include c-parse.h. Do include timevar.h.
4569 Elide lots of unnecessary code if USE_CPPLIB. Delete code
4570 rendered unnecessary by new architecture. Move routines not
4571 shared with C++ to c-parse.in. Maintain a local idea of the
4572 line number. Handle C++ as well as C.
4573 [USE_CPPLIB]: Declare and register callbacks for #ident and
4574 for entering/leaving files.
4575 (init_c_lex, c_lex): Are now the entry points to this file.
4576 (check_newline): Break out directive handling to
4578 (read_ucs, is_extended_char, utf8_extend_token): Moved here
4580 (readescape, parse_float): Overhaul.
4581 (lex_number, lex_string, lex_charconst): Break out of c_lex
4583 (get_fileinfo, update_header_times, dump_one_header,
4584 dump_time_statistics): New and/or moved here from C++.
4585 Support per-file data needed by C++ and per-header timing
4586 statistics (C++ only, at the moment).
4587 * c-lex.h: Update prototypes. Add multiple include guard.
4588 * c-tree.h (struct lang_identifier): Add rid_code field.
4589 (C_IS_RESERVED_WORD, C_RID_CODE): New.
4591 * c-parse.in: Include c-pragma.h. Remove unnecesary calls to
4592 reinit_parse_for_function and/or position_after_white_space.
4593 (save_filename, save_lineno): Look ahead before saving.
4594 (label -> identifier ':'): Save file and line before shifting ':'.
4595 (reservedwords): No need to call get_identifier.
4596 (init_parse, finish_parse, yyerror, yylex, yyprint,
4597 make_pointer_declarator): Are now here for C/ObjC.
4598 (rid_to_yy): Conversion table from RID constants to Yacc codes.
4600 * c-pragma.c: Rewrite parsing logic to fit with cpplib's
4601 #pragma registry. Provide dummy implementation of that
4602 interface if !USE_CPPLIB.
4603 * c-pragma.h: Update to match.
4605 * flags.h: Add multiple include guard.
4606 (flag_detailed_statistics): Moved here from C++.
4607 * toplev.c: Define flag_detailed_statistics.
4609 * gcc.c (C specs): Use %(trad_capable_cpp) for -E|-M|-MM case
4611 * timevar.def (TV_CPP, TV_LEX): New.
4612 * timevar.h: Add multiple include guard.
4614 * objc/lang-specs.h: Use %(trad_capable_cpp) for -E|-M|-MM case
4616 * objc/objc-act.c: Don't mention yy_cur or parse_options.
4617 Initialize cpplib properly. Force lineno to 0 after first
4618 call to check_newline. Don't handle -lang-objc here.
4619 Move forget_protocol_qualifiers and remember_protocol_qualifiers here.
4621 2000-09-06 David Edelsohn <edelsohn@gnu.org>
4623 * rs6000.md: Correct function unit definitions for cr_logical and
4625 (sCOND): Additionally fail for sgt, slt, sge, sle if !TARGET_POWER
4626 and use portable method for >=0 and floating point >=. Remove
4627 associated matchers.
4629 2000-09-06 Mark Mitchell <mark@codesourcery.com>
4631 * extend.texi: Mark named return value extension as deprecated.
4633 2000-09-06 Geoff Keating <geoffk@cygnus.com>
4635 * config/rs6000/rs6000.c (rs6000_reverse_condition): Return
4638 2000-09-06 Gabriel Dos Reis <gdr@codesourcery.com>
4640 * toplev.c (display_help): Fix thinko in documentation.
4642 * diagnostic.h (output_buffer::indent_skip): New fields.
4643 (output_indentation): New macro.
4645 * diagnostic.c (output_indent): New function.
4646 (output_set_prefix, clear_diagnostic_info): Use.
4647 (output_emit_prefix): Predict future indentation.
4649 2000-09-06 DJ Delorie <dj@redhat.com>
4651 * Makefile.in (stage_*): add more dependencies to ensure parallel
4652 builds build correctly
4654 2000-09-06 Manfred Hollstein <manfredh@redhat.com>
4656 * Makefile.in (bootstrap-lean): Depend on bootstrap-lean_g,
4657 not bootstrap-lean_f.
4659 2000-09-06 Andreas Schwab <schwab@suse.de>
4661 * mklibgcc.in: Emit rule for libgcc-stage-start.
4662 * Makefile.in (stage1-start, stage2-start, stage3-start,
4663 stage4-start): Don't handle libgcc here, use libgcc.mk instead.
4665 2000-09-06 Bernd Schmidt <bernds@redhat.co.uk>
4667 * local-alloc.c (local_alloc): Ignore CLASS_LIKELY_SPILLED.
4668 (update_equiv_regs): Likewise, except for the mn10200 kludge.
4669 (combine_regs): Likewise.
4671 * Makefile.in (cse.o): Depend on $(BASIC_BLOCK_H).
4672 * cse.c: Include "basic-block.h".
4673 (struct table_elt): New field REGCOST.
4674 (CHEAP_REG): Delete macro.
4675 (COST): Return 0 for REGs.
4676 (approx_reg_cost_1, approx_reg_cost, preferrable): New functions.
4677 (notreg_cost): Return 0 for appropriate SUBREGs.
4678 (COSTS_N_INSNS): Return N * 2.
4679 (rtx_cost): Return 0 for REGs, and use cost of nested rtx for cheap
4681 (CHEAPER): Use new function preferrable.
4682 (insert): Initialize REGCOST member.
4683 (find_best_addr): Use approx_reg_cost for estimation of register
4685 (cse_insn): Likewise.
4686 * loop.c (iv_add_mult_cost): New function.
4687 (add_cost, shift_cost, mult_cost): Delete variables.
4688 (init_loop): Don't initialize add_cost; reduce copy_cost by half.
4689 (strength_reduce): Use iv_add_mult_cost instead of fixed add_cost.
4690 Make code that detects autoinc opportunities slightly less optimistic.
4691 (simplify_giv_expr): If expression contains other reg that is also a
4692 giv, only increment benefit if this is the only use of that reg.
4693 (consec_sets_giv): Take that change into account.
4694 (combine_givs): Slightly more verbose output.
4696 * i386.h (RTX_COSTS): For MULT, return true cost of multiplication,
4697 not the cost of an equivalent shift.
4698 * sh-protos.h (addsubcosts): Declare.
4699 * sh.c (addsubcosts): New function.
4700 * sh.h (CONST_COSTS): If CONST_OK_FOR_I, then return 0.
4701 (RTX_COSTS): Tweak. Use addsubcosts.
4702 (ADDRESS_COST): Return higher cost for reg+reg addressing.
4704 2000-09-06 Geoff Keating <geoffk@cygnus.com>
4706 * config/rs6000/rs6000.c (validate_condition_mode): New function.
4707 (branch_comparison_operator): Call validate_condition_mode to
4708 abort rather than returning 0.
4709 (branch_positive_comparison_operator): New function.
4710 (scc_comparison_operator): Call validate_condition_mode to abort
4711 rather than returning 0.
4712 (ccr_bit): Call validate_condition_mode. Update for
4714 (print_operand): Delete %C modifier. Update %E case
4715 to use EQ bit not SO bit.
4716 (rs6000_reverse_condition): New function.
4717 (rs6000_generate_compare): New function.
4718 (rs6000_emit_sCOND): New function.
4719 (rs6000_emit_cbranch): New function.
4720 (output_cbranch): The length of a long branch insn is
4721 now only 8 bytes. Add validate_condition_mode. Use
4722 rs6000_reverse_condition. Remove cror generation.
4724 * config/rs6000/rs6000.h: Update comments.
4725 (PREDICATE_CODES): Add new predicate. Update codes used
4726 by branch_comparison_operator and scc_comparison_operator.
4727 * config/rs6000/rs6000-protos.h: Add prototypes for
4728 new external functions.
4729 * config/rs6000/rs6000.md: Add new scheduling parameters
4730 for cr_logical instructions. Change length of branch
4732 (bCOND patterns): Call rs6000_emit_cbranch.
4733 (sCOND patterns): Call rs6000_emit_sCOND.
4734 (branch patterns): Change lengths to 4.
4735 (cr logical patterns): New.
4737 2000-09-06 Richard Henderson <rth@cygnus.com>
4739 * config/i386/i386.md (call_pop): Fix test for setting
4740 current_function_uses_pic_offset_table.
4741 (call, call_value_pop, call_value): Likewise.
4743 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
4745 * timevar.c (timevar_add): Delete.
4746 (timevar_get): Also count time since the selected timer was
4747 last updated. Do not examine the timevar stack if the
4748 selected timer is standalone.
4750 2000-09-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
4752 * gthr-dce.h (__gthread_objc_mutex_deallocate): Free mutex->backend.
4754 2000-09-05 Jason Merrill <jason@redhat.com>
4756 * c-decl.c (finish_incomplete_decl): Don't call complete_array_type
4757 for 'extern' arrays.
4759 2000-09-05 Richard Henderson <rth@cygnus.com>
4761 * config/ia64/lib1func.asm (__divtf3): Rebundle for Itanium.
4762 Eliminate final copy from non-trapping case.
4763 (__divdf3, __divsf3): Likewise.
4765 2000-09-05 Richard Henderson <rth@cygnus.com>
4767 * config/ia64/ia64.md (mulhi3): Fix typo last change.
4768 * config/ia64/lib1func.asm (__divdi3, __udivdi3, __umodsi3): Likewise.
4770 2000-09-03 Donn Terry <donn@interix.com>, Laurynas Biveinis <lauras@softhome.net>
4772 * Makefile.in: Restructure bootstrap stages to allow clean
4773 restart after failure.
4775 2000-09-05 Richard Henderson <rth@cygnus.com>
4777 * config/ia64.md (movsi and movdi patterns): Allow moves from
4778 8-bit constants to AR registers.
4780 2000-09-05 Richard Henderson <rth@cygnus.com>
4782 * config/ia64/ia64.md (mulhi3): New.
4784 2000-09-05 Richard Henderson <rth@cygnus.com>
4786 * config/ia64/ia64.h (INIT_TARGET_OPTABS): Remove.
4787 * config/ia64/lib1funcs.asm (__divdi3): Update from Intel IA-64
4788 Optimization Guide, minimum latency alternative.
4789 (__moddi3, __udivdi3, __umoddi3): Likewise.
4790 (__divsi3, __modsi3, __udivsi3, __umodsi3): Likewise.
4792 2000-09-05 Bruce Korb <bkorb@gnu.org>
4794 * fixinc/fixincl.c (load_file): always read header files
4795 with sizes that are a multiple of the page size.
4796 & use libiberty's getpagesize for determining that.
4798 2000-09-05 Alexandre Oliva <aoliva@redhat.com>
4800 * gcse.c (hash_string_1): Add prototype.
4801 * cse.c (canon_hash_string): Likewise.
4803 2000-09-04 Craig Newell <CraigN@ieee.org>
4805 * gcc.c: Undefine "__WCHAR_TYPE__" before redefining it.
4807 2000-09-04 Andreas Schwab <schwab@suse.de>
4809 * Makefile.in (STAGESTUFF): Remove libgcc.
4810 (stage1-start, stage2-start, stage3-start): Copy the contents of
4811 the libgcc directory explicitly.
4812 (mostlyclean): Clean libgcc.
4814 2000-09-04 Andrew Haley <aph@redhat.com>
4816 * dwarf2out.c: (stack_adjust_offset): New prototype.
4818 Wed Jan 1 00:23:59 MET 1997 Jan Hubicka <jh@suse.cz>
4820 * combine.c (make_extraction): Fix rtx_cost comparison to
4823 Wed Jan 1 00:17:32 MET 1997 Jan Hubicka <jh@suse.cz>
4825 * i386.md (pushsi2, pushhi2, pophi2, swapsf, swapdf,
4826 umulsi3_highpart, smulsi3_highpart, testqi_ccno_1, xorqi_ext_1):
4827 Add '*' to insn pattern name.
4829 2000-09-04 Jakub Jelinek <jakub@redhat.com>
4831 * cpplex.c (ON_REST_ARG): Check VAR_ARGS flag of current context,
4832 use posn - 1 to index into tokens array.
4833 (maybe_paste_with_next): Adjust caller.
4835 2000-09-03 Geoff Keating <geoffk@cygnus.com>
4837 * invoke.texi: Document the -mvxworks option for rs6000 ELF.
4839 * config/rs6000/rs6000.h: Update various comments about XER_REGNO.
4840 (REGNO_REG_CLASS): Use symbolic register
4843 2000-09-03 Richard Earnshaw <rearnsha@arm.com>
4845 * arm.c (final_prescan_insn): If the form of a jump insn isn't
4846 recognized, don't try to conditionally execute it.
4848 Sun Sep 3 13:10:56 2000 Denis Chertykov <denisc@overta.ru>
4850 * config/avr/avr.md ("*tablejump_lib"): New pattern.
4851 (call_value_insn): Right length claculation.
4852 (call_insn): Likewise.
4854 2000-09-02 Marek Michalkiewicz <marekm@linux.org.pl>
4856 * config/avr/avr-protos.h, config/avr/avr.c (unique_section,
4857 gas_output_limited_string, gas_output_ascii, output_movqi,
4858 output_movhi, out_movqi_r_mr, out_movqi_mr_r, out_movhi_r_mr,
4859 out_movhi_mr_r, out_movsi_r_mr, out_movsi_mr_r, output_movsisf,
4860 out_tstsi, out_tsthi, ret_cond_branch, ashlqi3_out, ashlhi3_out,
4861 ashlsi3_out, ashrqi3_out, ashrhi3_out, ashrsi3_out, lshrqi3_out,
4862 lshrhi3_out, lshrsi3_out, output_reload_inhi, output_reload_insisf,
4863 out_shift_with_cnt, ptrreg_to_str, cond_string, encode_section_info):
4864 Add "const" as needed to remove warnings.
4866 * config/avr/avr.c (avr_override_options, avr_init_once,
4867 function_prologue, function_epilogue, frame_pointer_required_p,
4868 class_likely_spilled_p, order_regs_for_local_alloc,
4869 avr_address_cost, avr_ret_register): Use K&R style arguments.
4870 (initial_elimination_offset, gas_output_limited_string):
4871 Remove ATTRIBUTE_UNUSED from the used arguments.
4872 (output_mov*, out_mov*_r_mr, out_mov*_mr_r, output_reload_insisf):
4873 Use local variables src, dest, base to access operands[].
4874 Rename reg_dest to reg_src if that's what it is.
4875 (output_movhi, output_movsisf): Optimize loading 8-bit immediate
4876 constants to LD_REGS if reg_was_0.
4877 (output_reload_insisf): Change arg 3 to insn length and set it.
4878 (out_movhi_r_mr, out_movhi_mr_r): Use in/out for more efficient
4879 access to 16-bit I/O register pairs.
4880 (avr_address_cost): Lower cost for the above case.
4881 (out_tsthi): Use "or" (faster) instead of "sbiw" if the operand
4882 may be clobbered, also for LD_REGS.
4883 (adjust_insn_length): Correct insn length for iorhi3 and iorsi3
4886 * config/avr/avr.h (PTRDIFF_TYPE): Make signed.
4888 * config/avr/avr.md: Change all uses of the TEST_HARD_REG_CLASS
4889 macro to test_hard_reg_class function.
4890 (*movsi, *movsf): Change "cc" attribute from "clobber" to "none"
4891 for loading immediate constants to LD_REGS.
4892 (andsi3, cmphi, cmpsi): Add return statements to avoid warnings.
4895 Sat Sep 2 13:58:23 2000 Marek Michalkiewicz <marekm@linux.org.pl>
4897 * config/avr/avr.md ("*negsi2"): substitute %@ to __zero_reg__
4898 * config/avr/libgcc.S: Lost part of the previous patch.
4900 2000-08-31 J. David Anglin <dave@hiauly1.hia.nrc.ca>
4902 * gthr-dce.h (__gthread_objc_mutex_allocate): Create a pthread_mutex_t
4903 object before calling pthread_mutex_init.
4905 2000-09-02 Alexandre Oliva <aoliva@redhat.com>
4907 * config/sh/t-elf, config/sh/crt1.asm, config/sh/crti.asm,
4908 config/sh/crtn.asm: New files.
4909 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Set.
4910 (crt1.o, crti.o, crtn.o): New targets.
4911 * configure.in [sh-*-elf*, sh-*-rtemself*] (tmake_file): Added
4913 * configure: Rebuilt.
4914 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
4915 STARTFILE_SPEC, ENDFILE_SPEC, CRT_CALL_STATIC_FUNCTION): Define.
4916 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
4917 Undefine for config/elfos.h to redefine.
4918 (STARTFILE_SPEC, ENDFILE_SPEC): Redefine after config/elfos.h.
4920 2000-09-02 Alexandre Oliva <aoliva@redhat.com>, Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
4922 * config/sh/sh-protos.h (nonpic_symbol_mentioned_p,
4923 legitimize_pic_address, output_pic_addr_const): Declare.
4924 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Fix PIC register.
4925 (PREFERGOT_BIT, TARGET_PREFERGOT): Likewise.
4926 (TARGET_SWITCHES): New switch -mprefergot.
4927 (OVERRIDE_OPTIONS): Set flag_no_function_cse unless -mprefergot.
4928 (PIC_OFFSET_TABLE_REGNUM): Define.
4929 (GOT_SYMBOL_TABLE): Likewise.
4930 (LEGITIMIZE_ADDRESS): Use legitimize_pic_address.
4931 (ENCODE_SECTION_INFO): Define.
4932 (FINALIZE_PIC): New macros.
4933 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST_P): New macro.
4934 (ASM_OUTPUT_INT, ASM_OUTPUT_SHORT): Use output_pic_addr_const.
4935 * config/sh/sh.c (print_operand_address): Use output_pic_addr_const.
4936 (prepare_move_operands): Call emit_pic_move or
4937 emit_pic_const_move if appropriate.
4938 (output_far_jump): For PIC, use braf and output long offset.
4939 (machine_dependent_reorg):
4940 (sh_expand_prologue): Save and initialize the PIC register.
4941 (sh_expand_epilogue): Restore it.
4942 (initial_elimination_offset): Account for it.
4943 (nonpic_symbol_mentioned_p): New function.
4944 (legitimize_pic_address): Likewise.
4945 (output_pic_addr_const): Likewise.
4946 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): New insns.
4947 (call, call_value): Use them.
4948 (GOTaddr2picreg, sym_label2reg, symGOT2reg, symGOTOFF2reg,
4949 symPLT_label2reg): New expands.
4950 * invoke.texi (SH Options): Document -mprefergot.
4952 2000-09-01 Alexandre Oliva <aoliva@redhat.com>
4954 * rtl.h (ASM_OPERANDS_INPUT_CONSTRAINT_EXP): New macro.
4955 * gcse.c (hash_string_1): New function.
4956 (hash_expr_1) <ASM_OPERANDS>: Disregard filename and line number.
4957 (expr_equiv_p) <ASM_OPERANDS>: Likewise.
4958 * cse.c (rtx_cost): Don't increase the cost of ASM_OPERANDS.
4959 (canon_hash_string): New function.
4960 (canon_hash) <ASM_OPERANDS>: Disregard filename and line number.
4961 (exp_equiv_p) <ASM_OPERANDS>: Likewise.
4962 (fold_rtx): Use ASM_OPERANDS accessor macros.
4963 * emit-rtl.c (copy_insn_1): Likewise.
4964 * integrate.c (copy_rtx_and_substitute): Likewise.
4965 * stmt.c (expand_asm_operands): Likewise. Give an
4966 ASM_OPERANDS rtx the mode of the output reg being set from it.
4968 2000-09-01 Fred Fish <fnf@be.com>
4970 * fix-header.c (write_rbrac): Add putc and getc to list of
4971 functions to protect against prior definition as a macro.
4973 2000-09-01 Joseph S. Myers <jsm28@cam.ac.uk>
4975 * c-common.h (enum c_tree_index): Add CTI_C_SIZE_TYPE.
4976 (c_size_type_node): Define.
4977 * c-decl.c (init_decl_processing): Initialize c_size_type_node.
4978 * c-common.c (enum format_lengths, enum format_std_version,
4979 format_length_info, format_type_detail, BADLEN, NOLENGTHS,
4980 format_kind_info, printf_length_specs, scanf_length_specs, T89_I,
4981 T99_I, T89_L, T99_LL, TEX_LL, T89_S, T89_UI, T99_UI, T89_UL,
4982 T99_ULL, TEX_ULL, T89_US, T89_F, T99_F, T89_D, T99_D, T89_LD,
4983 T99_LD, T89_C, T99_SC, T99_UC, T89_V, T94_W, TEX_W, T94_WI,
4984 TEX_WI, T99_ST, T99_SST, T99_PD, T99_UPD, T99_IM, T99_UIM,
4985 format_types): Define.
4986 (format_char_info, print_char_table, scan_char_table,
4987 time_char_table): Rearrange for new organization of information
4988 about format length modifiers and standard versions.
4989 (T_ST): Redefine to use c_size_type_node.
4990 (check_format_info): Obtain information about length modifiers and
4991 standard versions from tables. Adjust warning message wordings.
4992 Use the name from the user's program for `ll' and `hh' length
4993 modifiers in warning messages. Use more informative names for
4994 wanted types where available (for wchar_t, wint_t, size_t, signed
4995 size_t, ptrdiff_t, unsigned ptrdiff_t, intmax_t and uintmax_t).
4997 2000-09-01 Jim Wilson <wilson@cygnus.com>
4999 * calls.c (emit_call_1): Add REG_NORETURN note to call if ECF_NORETURN.
5000 * combine.c (distribute_notes): Handle REG_NORETURN.
5001 * rtl.c (reg_note_name): Add REG_NORETURN.
5002 * rtl.h (enum reg_note): Likewise.
5004 * config/ia64/ia64-protos.h (emit_safe_across_calls): Renamed from
5006 * config/ia64/ia64.c (emit_safe_across_calls): Likewise.
5007 (rtx_needs_barrier): Handle unspec_volatile 8 and 9.
5008 (emit_predicate_relation_info): Handle conditional calls with
5010 * config/ia64/ia64.h (ASM_FILE_START): Call emit_safe_across_calls
5011 instead of ia64_file_start.
5012 * config/ia64/sysv4.h (ASM_FILE_START): Likewise.
5013 * config/ia64/ia64.md (safe_across_calls_all,
5014 save_across_calls_normal): New patterns.
5016 * loop.c (check_final_value): Check for biv use before checking for
5017 giv use. Check for both biv and giv uses. Always set last_giv_use
5018 if there is a giv use.
5020 2000-09-01 Richard Henderson <rth@cygnus.com>
5022 * config/ia64/ia64.md (mulsi3): Use grfr_register_operand.
5023 (madddi3): Likewise.
5026 Fri Sep 1 10:59:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5028 * expr.c (clear_storage): Don't use emit_move_insn unless
5029 either BLKmode or proper size.
5030 (store_constructor): Don't call clear_storage if REG of wrong size.
5032 * flow.c (init_propagate_block_info): Don't mark frame dead at end
5033 of function if returns wiht stack pointer depressed.
5035 2000-09-01 Andrew Haley <aph@redhat.com>
5037 * dwarf2out.c (stack_adjust_offset): New function.
5038 (dwarf2out_stack_adjust): Break out stack adjust logic into
5039 new stack_adjust_offset function. Look inside parallels and
5040 sequences for stack adjustments.
5042 2000-08-31 Jeff Law <law@cygnus.com>
5044 * arm.md: Use no_new_pseudos to determine when it is safe
5045 to create new pseudo registers.
5047 * arm.c (legitimize_pic_address): Use no_new_pseudos to determine
5048 when we can safely allocate new registers.
5050 2000-08-31 Geoffrey Keating <geoffk@cygnus.com>
5052 * stmt.c (expand_asm_operands): Twiddle generating_concat_p
5053 so that CONCATs are not generated for ASMs.
5054 * emit-rtl.c (gen_reg_rtx): Don't generate CONCATs when
5055 not generating_concat_p.
5056 * function.c (pop_function_context_from): Reset
5057 generating_concat_p.
5058 (prepare_function_start): Likewise.
5059 * rtl.c (generating_concat_p): Define.
5060 * rtl.h (generating_concat_p): Declare.
5061 * toplev.c (rest_of_compilation): No CONCATs after RTL generation.
5063 2000-08-22 Philipp Thomas <pthomas@suse.de>
5064 Masanobu Yuhara <yuhara@flab.fujitsu.co.jp>
5066 * gmicro.h (TARGET_SWITCHES): Add descriptions and mark them
5069 2000-08-30 Greg McGary <greg@mcgary.org>
5071 * Makefile.in (fixinc.sh): Pass CC, CFLAGS and LDFLAGS to mkfixinc.sh
5072 * fixinc/Makefile.in (fixincl): Pass $(LDFLAGS) to $(CC).
5073 * fixinc/mkfixinc.sh: Pass $CC, $CFLAGS and $LDFLAGS to $MAKE.
5075 2000-08-30 Greg McGary <greg@mcgary.org>
5077 * tree.h (struct tree_int_cst): Wrap low and high in a sub-struct.
5078 (TREE_INT_CST_LOW, TREE_INT_CST_HIGH): Access through sub-struct.
5079 (TREE_INT_CST): New macro.
5080 * varasm.c (const_hash, compare_constant_1, record_constant_1):
5081 Use new macro TREE_INT_CST.
5083 Wed 30-Aug-2000 23:18:59 BST Neil Booth <NeilB@earthling.net>
5085 * contrib.texi: Add self.
5087 2000-08-30 Alexandre Oliva <aoliva@redhat.com>
5089 * config/sh/sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): New insns.
5090 (cmpeqdi_t splitter): Use cmpeqsi_and_t instead of emitting jumps
5093 2000-08-30 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5095 * fixinc/gnu-regex.c: Don't define `const'.
5097 Tue Aug 29 22:09:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5099 * expr.c (store_constructor): Allow variable bounds of array type.
5100 (expand_expr): Don't blow up if type is ERROR_MARK.
5101 * varasm.c (output_constructor): Don't access lower bound of array
5102 type unless need it if index is supplied (so it can be a variable
5103 if no index is supplied).
5104 Use tree_low_cst; use HOST_WIDE_INT for sizes; change BITPOS to POS.
5105 Other minor cleanups.
5107 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5109 * Makefile.in: Revamp handling of cflags to allow different WARN_CFLAGS
5110 for compilations in stage 1 and subsequent stages, respectively.
5111 * configure.in (vax): Add compiler-dependent CFLAGS for stage 1.
5112 * configure: Rebuilt.
5113 * x-vax, x-vax-gcc: Deleted.
5115 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
5117 * c-common.c (declare_function_name): Use func_id_node,
5118 function_id_node, and pretty_function_id_node. Do not make
5119 __func__ visible at file scope.
5120 * c-common.h (c_tree_index): Add CTI_FUNCTION_ID,
5121 CTI_PRETTY_FUNCTION_ID, and CTI_FUNC_ID.
5122 (function_id_node, pretty_function_id_node, func_id_node): New
5124 * c-decl.c (init_decl_processing): Initialize function_id_node,
5125 pretty_function_id_node, and func_id_node.
5126 (c_make_fname_decl): Correct comment.
5128 * tree.h (struct tree_identifier): Constify pointer member.
5130 * c-decl.c (pushdecl, implicit_decl_warning): Constify a char *.
5131 * c-pragma.h (struct weak_syms): Constify name and value members.
5132 (add_weak): Constify arguments.
5134 * calls.c (special_function_p): Constify a char *.
5135 (expand_call): Remove variable which is initialized and then
5137 * dependence.c (struct def_use, struct induction, struct subscript):
5138 Constify 'variable' member.
5139 (get_low_bound, have_induction_variable): Constify char * argument.
5140 (find_induction_variable): Add braces to avoid dangling else.
5141 (classify_dependence): Constify char * arrays.
5142 * profile.c (output_func_start_profiler): Constify a char *.
5143 * stor-layout.c (finalize_record_size): Constify a char *.
5144 * tree.c (is_attribute_p): Constify a char *.
5145 * varasm.c (add_weak, remove_from_pending_weak_list): Constify argument.
5147 * varasm.c (make_function_rtl, make_decl_rtl): Rearrange code
5148 for comprehensibility. Do not call get_identifier if we did
5149 not change the DECL_ASSEMBLER_NAME of the decl. Use alloca to
5150 create temporary string constants, not ggc_alloc_string. No
5151 need to copy result of ASM_FORMAT_PRIVATE_NAME. Use const
5152 char * to hold IDENTIFIER_POINTERs.
5154 2000-08-29 Richard Henderson <rth@cygnus.com>
5156 * config/ia64/ia64.md (muldi3): Use grfr_register_operand
5159 2000-08-29 Richard Henderson <rth@cygnus.com>
5161 * reload.c (push_secondary_reload): Allow class == reload_class
5162 if we're using a reload_in/out pattern.
5164 * config/ia64/ia64.md (reload_inti): Use a TImode scratch. Use
5165 the half that does not conflict with the reload register.
5166 (reload_outti): Likewise.
5168 2000-08-29 Kazu Hirata <kazu@hxi.com>
5170 * reload.c: Fix formatting.
5172 * stmt.c: Fix formatting.
5174 * gcc.c: Fix formatting.
5176 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
5178 * flags.h (time_report, mem_report): New global flags.
5179 * toplev.c: Define time_report and mem_report.
5180 (f_options): Add -ftime-report and -fmem-report.
5181 (compile_file): Turn on time_report if quiet_flag is off.
5182 Call ggc_print_statistics at very end if mem_report is on.
5183 * timevar.c (TIMEVAR_ENABLE): Examine time_report, not quiet_flag.
5185 * ggc-common.c (ggc_print_statistics): Rename to
5186 ggc_print_common_statistics; all callers changed. Scale
5187 quantities above 10K to kilobytes and above 10M to megabytes.
5188 * ggc-page.c (ggc_page_print_statistics): Rename to
5189 ggc_print_statistics. Report memory consumed by internal data
5190 structures for each allocation bucket. Scale quantities above
5191 10K to kilobytes and above 10M to megabytes.
5192 * ggc-simple.c: Prototype debug_ggc_tree to avoid warning.
5193 Cast PTR_KEY(p) to unsigned long in fprintf call to avoid warning.
5194 Define tally_leaves always.
5195 (ggc_print_statistics): New function.
5196 * ggc.h: Adjust for renamed functions.
5198 Wed Aug 30 00:11:42 2000 Denis Chertykov <denisc@overta.ru>
5200 * config/avr/avr.md ("*movsf","*movsi"): Pass NULL to
5201 output_movsisf instead of which_alternative.
5203 * config/avr/avr.c (output_reload_inhi): Check for NULL ponter.
5205 Tue Aug 29 22:29:58 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
5207 * config/avr/avr-protos.h: (avr_output_ascii) Removed.
5208 (avr_progmem_p): New prototype.
5209 (output_movsisf): Prototype declaration changed.
5210 (output_movqi): New prototype.
5211 (output_movhi): New prototype.
5212 (call_insn_operand): Likewise.
5213 (final_prescan_insn): Likewise.
5214 (avr_simplify_comparision_p): Likewise.
5215 (avr_normalize_condition): Likewise.
5216 (compare_eq_p): Likewise.
5217 (out_shift_with_cnt): Likewise.
5218 (const_int_pow2_p): Likewise.
5219 (output_reload_inhi): Prototype declaration changed.
5221 * config/avr/avr.c: (debug_hard_reg_set): Prototype declared.
5222 (ldi_reg_rtx): New. rtx for r31.
5223 (avr_init_stack): Initialize as "__stack".
5224 (function_prologue): Use it.
5225 Replace all TARGET_ENHANCED with AVR_ENHANCED.
5226 (avr_mcu_name): Initialize as "avr2".
5227 (avr_enhanced_p, avr_mega_p): New variables.
5228 (mcu_types, avr_override_options): Handle all known MCU types.
5229 Also handle avr1 (only preprocess, assemble and link).
5230 (print_operand): Using of `%K' in output template removed.
5231 (out_movqi_r_mr): Optimized.
5232 (out_movhi_r_mr): Likewise.
5233 (output_movqi): New function.
5234 (output_movhi): Likewise.
5235 (out_movsi_r_mr): Optimized.
5236 (output_movsisf): Compute insn length for `adjust_insn_length'
5237 (out_movqi_mr_r): Optimized.
5238 (out_movhi_mr_r): Optimized.
5239 (adjust_insn_length): Use output_movsisf, output_movqi,
5240 output_movhi for insn length adjusting.
5241 (reg_unused_after): Use dead_or_set_p.
5242 (preferred_reload_class): Now havn't any restriction.
5243 (reg_was_0): New function.
5244 (io_address_p): Likewise.
5245 (const_int_pow2_p): Likewise.
5246 (output_reload_inhi): Likewise.
5247 (output_reload_insisf): Likewise.
5249 * config/avr/avr.h (MULTILIB_DEFAULTS): Define.
5250 (LIB_SPEC): Use -lc for all supported devices.
5251 (LIBGCC_SPEC): Use -lgcc for all supported devices.
5252 (AVR_MEGA): Define as avr_mega_p.
5253 (AVR_ENHANCED): New, define as avr_enhanced_p.
5254 (TARGET_SWITCHES): Remove -menhanced, now handled by -mmcu=...
5255 (CPP_SPEC, LINK_SPEC): Handle all known MCU types.
5256 (CRT_BINUTILS_SPECS): Handle all known MCU types.
5257 Rename gcrt1-*.o to make file names unique on 8.3 filesystems.
5258 (EXTRA_SPECS): Add CPP_AVR[1-5]_SPEC.
5259 (ASM_SPEC): Pass -mmcu=... to the assembler.
5260 Change all -DAVR_* to -D__AVR_*__.
5261 (INIT_TARGET_OPTABS), config/avr/libgcc.S:
5262 Rename library functions to start with two underscores.
5263 (ASM_OUTPUT_COMMON): Outputs `.comm VAR,VAR-SIZE,1' to avoid
5265 (ASM_WEAKEN_LABEL): Declared for __attribute__((weak)).
5266 (SUPPORTS_WEAK): Likewise.
5267 (LDI_REG_REGNO): New. Register r31 will be used as temporary
5268 register for loading constants to r0-r14.
5270 * config/avr/avr.md: Replace all TARGET_ENHANCED with
5272 (*mov_r_sp): Removed. Handled by output_movhi.
5273 (*mov_sp_r): Likewise.
5274 (*mov_sp_r_no_interrupts): Likewise
5275 (*mov_sp_r_tiny): Likewise.
5276 (*movqi): Use output_movqi.
5277 (*reload_inqi): New.
5278 (*movhi): Use output_movhi.
5279 (*reload_inhi): New.
5280 (*negsi2): Optimized.
5281 (*negsf2): Likewise.
5282 Added peepholes (define_peephole2) for loading constants to r0-r14
5283 and for using `cpse' command.
5285 * config/avr/libgcc.S: Rename library functions to start with two
5287 Add support for enhanced core.
5288 (_moqhi3): Fix typo, now _modqi3.
5289 (__divsi_raw): Use __zero_reg__ as loop counter, smaller by 1 word.
5290 (__prologue_saves__): Remove test for stack adjust by 0.
5291 (__tablejump__): New.
5293 * config/avr/t-avr: Build libgcc2 with -mcall-prologues.
5294 Add multilib support.
5296 Tue Aug 29 15:17:54 EDT 2000 John Wehle (john@feith.com)
5298 * loop.c (prescan_loop): Don't check unknown_address_altered
5299 when deciding if insert_loop_mem is safe. Add BLKmode MEMs
5300 to loop_store_mems as necessary.
5301 (loop_invariant_p): Don't check unknown_address_altered
5302 or unknown_constant_address_altered.
5304 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5306 * vax.md (sltu, sgeu): Delete sltu and sgeu insn patterns.
5308 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
5310 * cpperror.c (print_file_and_line): If line is (unsigned int)-1,
5311 print just the filename.
5312 * cpplex.c (_cpp_run_directive): Add additional argument, the
5313 name to give the synthetic buffer. This defaults to
5314 translated "<command line>".
5315 * cpplib.c (cpp_define, cpp_undef, cpp_assert, cpp_unassert):
5317 (_cpp_define_builtin): New function.
5318 * cppinit.c (initialize_builtins): Use _cpp_define_builtin.
5319 * cpphash.h: Update prototypes.
5321 * tradcpp.c (main): Process -D and -U simultaneously, in the
5322 order they appeared on the command line.
5324 2000-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5326 * c-decl.c (define_label): Call warning_with_file_and_line and
5327 error_with_file_and_line instead of plain warning or error.
5329 * c-parse.in (label): Use save_filename/save_lineno to ensure
5330 correct values for calls to define_label.
5332 2000-08-29 Mark Mitchell <mark@codesourcery.com>
5334 * calls.c (expand_call): Don't create a VAR_DECL just to throw it
5336 * expr.c (expand_expr, case TARGET_EXPR): Don't call
5338 * tree.h (get_file_function_name): Remove two duplicate
5341 2000-08-28 Kazu Hirata <kazu@hxi.com>
5343 * tree.c: Fix formatting.
5345 * xcoffout.c: Fix formatting.
5347 2000-08-28 Jason Merrill <jason@redhat.com>
5349 * dwarf2out.c (attr_checksum): Also ignore DW_AT_producer.
5351 2000-08-28 Daniel Berlin <dberlin@redhat.com>
5353 * dwarf2out.c (dwarf2out_finish): Don't bother calling
5354 break_out_includes if it won't do anything.
5356 2000-08-28 Richard Henderson <rth@cygnus.com>
5358 * reload.c (push_secondary_reload): Revert 2000-08-16 change.
5359 (find_reloads): Likewise.
5360 * config/alpha/alpha.md (reload_inqi): Revert 2000-08-11 change.
5361 (reload_inhi): Likewise.
5363 2000-08-28 Richard Henderson <rth@cygnus.com>
5365 * config/i386/i386.c: Don't error on EXTRA_CONSTRAINT defined.
5366 (call_insn_operand): Don't expect a surrounding mem.
5367 (constant_call_address_operand): Likewise.
5368 * config/i386/i386.h (PREDICATE_CODES): Update.
5369 * config/i386/i386.md (call patterns): Move the match_operand
5370 for the call destination inside the mem.
5372 2000-08-28 Richard Henderson <rth@cygnus.com>
5374 * local-alloc.c (requires_inout): Don't use reserved range for
5375 EXTRA_CONSTRAINTS; use anything not matched by REG_CLASS_FROM_LETTER.
5376 * recog.c (asm_operand_ok): Likewise.
5377 (preprocess_constraints, constrain_operands): Likewise.
5378 * regclass.c (record_reg_classes): Likewise.
5379 * reload.c (find_reloads): Likewise.
5380 * reload1.c (maybe_fix_stack_asms): Likewise.
5381 (reload_cse_simplify_operands): Likewise.
5382 * stmt.c (expand_asm_operands): Likewise.
5384 * md.texi: Update constraints documentation.
5385 * tm.texi (EXTRA_CONSTRAINT): Update.
5387 2000-08-28 Daniel Berlin <dberlin@redhat.com>
5389 * dwarf2out.c (DIE_LABEL_PREFIX): Remove leading "__".
5390 (print_die): If we don't know the offset of the
5391 target die, try the symbol. Add a trailing newline.
5392 (reverse_all_dies): New fn.
5393 (dwarf2out_finish): Call it.
5394 (break_out_includes): Reorganize for clarity.
5395 (add_sibling_attributes): Don't call reverse_die_lists.
5396 (output_comp_unit): Rename from output_comdat_comp_unit. Use for
5398 * flags.h: Add flag_eliminate_dwarf2_dups.
5399 * toplev.c (f_options): Support -feliminate-dwarf2-dups.
5401 2000-08-28 Jason Merrill <jason@redhat.com>
5403 * dwarf2.h (DW_TAG_GNU_BINCL, DW_TAG_GNU_EINCL): New tags.
5404 * dwarf2out.c: #include "md5.h".
5405 (DIE_LABEL_PREFIX): New macro.
5406 (dw_val_struct): Add 'external' flag to val_die_ref.
5407 (add_AT_die_ref, AT_ref): Adjust.
5408 (AT_ref_external, set_AT_ref_external): New fns.
5409 (build_abbrev_table): Call set_AT_ref_external.
5410 (value_format): Call AT_ref_external.
5411 (die_struct): Add die_symbol field.
5412 (new_die): Clear it.
5413 (dwarf_tag_name): Handle BINCL/EINCL.
5414 (dwarf2out_start_source_file): Add BINCL DIE.
5415 (dwarf2out_end_source_file): Add EINCL DIE.
5416 (push_new_compile_unit, pop_compile_unit, clear_die_sizes): New fns.
5417 (loc_checksum, attr_checksum, die_checksum): New fns.
5418 (is_type_die, is_comdat_die, is_symbol_die): New fns.
5419 (compute_section_prefix, assign_symbol_names): New fns.
5420 (gen_internal_sym, output_die_symbol, output_symbolic_ref): New fns.
5421 (output_die): Call output_die_symbol and AT_ref_external.
5422 (output_comdat_comp_unit): New fn, split out from...
5423 (dwarf2out_finish): ...here. Also call add_sibling_attributes for
5425 (output_pubnames, output_aranges): Abort if we see entries from
5427 * toplev.h: Declare file_name_nondirectory.
5428 * toplev.c (file_name_nondirectory): New fn, moved from C++ frontend.
5429 (rest_of_type_compilation): Call dwarf2out_decl if at toplevel.
5430 (debug_start_source_file): Call dwarf2out_start_source_file
5431 regardless of debug verbosity.
5432 (debug_end_source_file): Similarly.
5433 * tree.h: Declare clean_symbol_name.
5434 * tree.c (clean_symbol_name): Split out from...
5435 (get_file_function_name_long): ...here.
5437 * dwarf2out.c (new_loc_descr): Use calloc.
5438 (splice_child_die): Remove the die from the right parent.
5439 (gen_struct_or_union_die): Don't add AT_name to a specification DIE.
5441 Mon Aug 28 19:02:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5443 * toplev.c (decode_g_option): Don't give warning for unknown -g
5444 option; return 0 instead.
5445 (main): If -g option is not recognized by front end or
5446 language-independent code, give warning.
5448 2000-08-28 Greg McGary <greg@mcgary.org>
5450 * config/i386/i386-protos.h (ix86_expand_compare): Add extern decl.
5451 * config/i386/i386.c (ix86_expand_compare): Remove `static'.
5452 * config/i386/i386.md (trap, conditional_trap): New insn & expand.
5454 2000-08-27 Greg McGary <greg@mcgary.org>
5456 * cpplex.c (parse_string): Don't look for backslash
5457 before first char in `namebuf'.
5458 * loop.c (strength_reduce): Skip NOTEs.
5460 2000-08-27 Jason Merrill <jason@redhat.com>
5462 * c-decl.c (duplicate_decls): Don't set TREE_STATIC or clear
5463 DECL_EXTERNAL on a local extern. Don't set DECL_IGNORED_P or
5464 TREE_ASM_WRITTEN, either.
5465 (finish_decl): Adjust.
5467 2000-08-28 Philipp Thomas <pthomas@suse.de>
5469 * ABOUT-GCC-NLS: Remove gettext patches from Paul Eggert as
5470 they have been incorporated into the gettext CVS. Change the text to
5471 reflect the current status of NLS. Add instructions for accessing
5472 the gettext CVS and add the patch from Martin v. Loewis.
5474 2000-08-27 Geoff Keating <geoffk@cygnus.com>
5476 * config/rs6000/rs6000.md (movdi_internal64+5): Make SUBREG-safe
5477 by using gen_lowpart_common.
5478 (movdi_internal64+6): Likewise.
5480 2000-08-26 Alexandre Oliva <aoliva@redhat.com>
5482 * tm.texi (FINI_SECTION_ASM_OP, CRT_CALL_STATIC_FUNCTION):
5485 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Remap register
5486 numbers to the ranges used by GDB.
5488 2000-08-25 Richard Henderson <rth@cygnus.com>
5490 * config/ia64/ia64.h (struct machine_function): Add n_varargs.
5491 * config/ia64/ia64.c (ia64_compute_frame_size): Use it.
5492 (ia64_expand_prologue): Likewise.
5493 (ia64_setup_incoming_varargs): Set it. Properly skip the current
5494 argument for stdargs.
5496 2000-08-25 Jason Merrill <jason@redhat.com>
5498 * integrate.c (expand_inline_function): Pull out the original decl.
5500 2000-08-25 Jim Wilson <wilson@cygnus.com>
5502 * cse.c (cse_insn): Don't pass label subtraction to force_const_mem.
5504 * function.c (gen_mem_addressof): Clear MEM_ALIAS_SET if no decl.
5506 2000-08-25 Greg McGary <greg@mcgary.org>
5508 * flow.c (dump_edge_info): Use ARRAY_SIZE.
5509 * config/alpha/alpha.c (alpha_expand_block_move): Likewise.
5511 2000-08-25 Richard Earnshaw <rearnsha@arm.com>
5513 * arm.h (STRUCT_VALUE): Define to 0, not NULL.
5515 Fri Aug 25 12:52:49 EDT 2000 John Wehle (john@feith.com)
5517 * i386.c (ix86_find_base_term): New.
5518 * i386-protos.h (ix86_find_base_term): Prototype.
5519 * i386.h (FIND_BASE_TERM): Define.
5520 * alias.c (find_base_term): Use it.
5521 * tm.texi (FIND_BASE_TERM): Document it.
5523 * alias.c (true_dependence, write_dependence_p): Unchanging
5524 memory can't conflict with non-unchanging memory.
5526 * alias.c (memrefs_conflict_p): A BLKmode reference
5527 to a symbol (or CONST_INT address) always conflicts
5528 with a reference to another symbol.
5530 2000-08-25 Joseph S. Myers <jsm28@cam.ac.uk>
5532 * c-common.c (time_char_table): Don't allow width and flags with
5535 2000-08-25 Jakub Jelinek <jakub@redhat.com>
5537 * config/i386/i386.c (ix86_expand_branch): Treat GE and GEU the same
5538 way as LT and LTU when the second operand has 0 in low word.
5540 2000-08-26 Michael Hayes <mhayes@cygnus.com>
5542 * basic-block.h (struct loop): Rename `exits' field to
5543 `exit_edges'. Add `entry_edges' and `num_entries' fields.
5545 * flow.c (flow_loop_exit_edges_find): Rename from flow_loop_exits_find.
5546 (flow_loop_entry_edges_find): Add.
5547 (flow_edge_list_print): Rename from flow_exits_print.
5548 (flow_loops_find): Call flow_loop_entry_edges_find.
5549 (flow_loop_dump): Dump entry_edges list.
5550 (flow_loops_free): Free entry_edges.
5552 2000-08-26 Michael Hayes <mhayes@cygnus.com>
5554 * loop.c (loop_dump_aux, debug_loop): New functions.
5555 (LOOP_BLOCK_NUM_1, LOOP_BLOCK_NUM, LOOP_INSN_UID): New macros.
5557 * flow.c (flow_loops_dump): Add callback parameter.
5558 (flow_loop_dump): Add callback parameter and call it. Move
5559 loop note debugging code to loop_dump_aux.
5561 * basic-block.h (flow_loop_dump): Add callback parameter
5562 (flow_loops_dump): Likewise.
5564 * toplev.c (rest_of_compilation): Add NULL callback function pointer
5565 to call to flow_loops_dump.
5567 2000-08-26 Michael Hayes <mhayes@cygnus.com>
5569 * loop.c (count_loop_regs_set): Replace start and end arguments
5570 with loop argument. All callers udated.
5572 2000-08-26 Michael Hayes <mhayes@cygnus.com>
5574 * loop.c (constant_high_bytes): Delete.
5576 2000-08-26 Michael Hayes <mhayes@cygnus.com>
5578 * loop.c (prescan_loop): Move checks for NOTE_INSN_LOOP_CONT
5579 and NOTE_INSN_LOOP_VTOP to...
5580 (find_and_verify_loops) ...here.
5582 Fri Aug 25 04:21:13 2000 Alexandre Oliva <aoliva@redhat.com>
5584 * crtstuff.c (CRT_CALL_STATIC_FUNCTION): Define default.
5585 (fini_dummy, init_dummy): Use it.
5587 Fri 25-Aug-2000 08:03:27 BST Neil Booth <NeilB@earthling.net>
5589 * cpplex.c (is_macro_disabled): Caller has already checked
5590 that we're not a preprocessed file.
5592 2000-08-24 Mark Mitchell <mark@codesourcery.com>
5594 * Makefile.in (C_AND_OBJC_OBJS): Remove c-iterate.o.
5595 (c-iterate.o): Remove target.
5596 * gcc/c-common.h (enum rid): Remove RID_ITERATOR.
5597 * gcc/c-decl.c (init_decl_processing): Remove call to init_iterators.
5598 (finish_decl): Don't handle iterators.
5599 (grokdeclarator): Likewise.
5600 * gcc/c-parse.gperf: Remove __iterator and __iterator__ keywords.
5601 * gcc/c-gperf.h: Regenerated.
5602 * gcc/c-iterate.c: Removed.
5603 * gcc/c-lex.c (init_lex): Don't handle iterators.
5604 * gcc/c-parse.in (primary): Remove pop_iterator_stack call.
5605 (compstmt_primary_start): Remove push_iterator_stack call.
5606 (stmt): Don't allow iterator statements. Replace iterator_expand
5607 with expand_expr_stmt.
5608 (all_iter_stmt): Remove.
5609 (all_iter_stmt_simple): Likewise.
5610 (all_iter_stmt_with_decl): Likewise.
5611 * gcc/c-tree.h (ITERATOR_P): Remove.
5612 (ITERATOR_BOUND_P): Likewise.
5613 (init_iterators): Remove declaration.
5614 (iterator_expand): Likewise.
5615 (iterator_for_loop_start): Likewise.
5616 (iterator_for_loop_end): Likewise.
5617 (iterator_for_loop_record): Likewise.
5618 (push_iterator_stack): Likewise.
5619 (pop_iterator_stack): Likewise.
5620 * gcc/c-typeck.c (decl_constant_value): Don't check ITERATOR_P.
5621 (readonly_warning): Likewise.
5622 * gcc/tree.h (ITERATOR_BOUND_P): Don't mention it.
5624 2000-08-24 Jim Wilson <wilson@cygnus.com>
5626 * c-common.c (decl_attributes, case A_ALIGN): Revert last change.
5627 Copy type in a TYPE_DECL, just like pushdecl does.
5629 2000-08-24 Richard Henderson <rth@cygnus.com>
5631 * toplev.c (main): Enable flag_reorder_blocks at -O2.
5633 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
5635 * ggc-page.c (alloc_page): If HAVE_MMAP_ANYWHERE and we're
5636 asked for one page, allocate GGC_QUIRE_SIZE of them and put
5637 the extras on the free list.
5638 (release_pages): Clean up.
5639 (ggc_set_mark): Don't adjust G.allocated here...
5640 (sweep_pages): ... do it here.
5642 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
5644 * cppfiles.c (read_include_file): Rearrange initializations.
5646 2000-08-24 Richard Henderson <rth@cygnus.com>
5648 * stmt.c (expand_asm_operands): Treat EXTRA_CONSTRAINT like g or X.
5650 * config/ia64/ia64-protos.h: Update.
5651 * config/ia64/ia64.c (gr_register_operand): New.
5652 (fr_register_operand, grfr_register_operand): New.
5653 (gr_nonimmediate_operand, grfr_nonimmediate_operand): New.
5654 (grfr_reg_or_8bit_operand): New.
5655 (gr_reg_or_0_operand): Rename from reg_or_0_operand and
5656 use gr_register_operand.
5657 (gr_reg_or_5bit_operand, gr_reg_or_6bit_operand): Likewise.
5658 (gr_reg_or_8bit_operand, gr_reg_or_8bit_adjusted_operand): Likewise.
5659 (gr_reg_or_8bit_and_adjusted_operand): Likewise.
5660 (gr_reg_or_14bit_operand, gr_reg_or_22bit_operand): Likewise.
5661 (fr_reg_or_fp01_operand): Likewise.
5662 (not_postinc_memory_operand): New.
5663 (ia64_split_timode): Remove unused variables.
5664 (rtx_needs_barrier): Check arguments to cmpxchg.
5665 (builtin_description): Remove.
5666 (bdesc_2argsi, bdesc_2argdi): Remove.
5667 (ia64_init_builtins): Declare all builtins directly.
5668 (ia64_expand_fetch_and_op): Rewrite to be called from
5669 ia64_expand_builtin directly. Use expand_binop and co.
5670 (ia64_expand_op_and_fetch): Likewise.
5671 (ia64_expand_compare_and_swap): Likewise.
5672 (ia64_expand_binop_builtin): Remove.
5673 (ia64_expand_lock_test_and_set): New.
5674 (ia64_expand_lock_release): New.
5675 (ia64_expand_builtin): Use them.
5676 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_S): New.
5677 (EXTRA_CONSTRAINT): Use it.
5678 (PREDICATE_CODES): Update.
5679 * config/ia64/ia64.md (*): Use gr_register_operand and co.
5680 (mf): Indicate that we set memory as well as use it.
5681 (fetchadd_acq_si): Show memory being modified as well.
5682 (fetchadd_acq_di, cmpxchg_acq_si, cmpxchg_acq_di): Likewise.
5683 (val_compare_and_swap_si, val_compare_and_swap_di): Remove.
5684 (lock_test_and_set_si, lock_test_and_set_di): Remove.
5685 (fetch_and_add_si, fetch_and_sub_si, fetch_and_or_si): Remove.
5686 (fetch_and_and_si, fetch_and_xor_si, fetch_and_nand_si): Remove.
5687 (fetch_and_add_di, fetch_and_sub_di, fetch_and_or_di): Remove.
5688 (fetch_and_and_di, fetch_and_xor_di, fetch_and_nand_di): Remove.
5689 (add_and_fetch_di, sub_and_fetch_di, or_and_fetch_di): Remove.
5690 (and_and_fetch_di, xor_and_fetch_di, nand_and_fetch_di): Remove.
5691 (add_and_fetch_si, sub_and_fetch_si, or_and_fetch_si): Remove.
5692 (and_and_fetch_si, xor_and_fetch_si, nand_and_fetch_si): Remove.
5693 * config/ia64/ia64intrin.h (*): Cast result to the appropriate
5694 return type. Pretty print definitions.
5696 2000-08-24 Jim Wilson <wilson@cygnus.com>
5698 * config/ia64/ia64.md (movdi): Don't call gen_movdi_symbolic if
5699 we have a SYMBOL_REF with SYMBOL_REF_FLAG set.
5701 2000-08-24 Jason Merrill <jason@redhat.com>
5703 * dwarf2out.c (AT_flag, AT_int, AT_unsigned, AT_string, AT_ref,
5704 AT_loc, AT_addr, AT_lbl): Abort on unsuitable input.
5705 (get_AT_low_pc, get_AT_hi_pc, get_AT_string, get_AT_flag,
5706 get_AT_unsigned, get_AT_ref): Don't call them if get_AT fails.
5708 2000-08-24 Greg McGary <greg@mcgary.org>
5710 * optabs.c (init_optabs): Initialize fixtab, fixtrunctab, floattab,
5711 and extendtab within their proper array boundaries.
5712 * emit-rtl.c (init_emit_once): Pass `const_tiny_rtx' with bounds
5713 for the entire array.
5715 * config/arm/arm.c (arm_override_options): Use ARRAY_SIZE.
5716 * config/alpha/alpha.c (alpha_lookup_xfloating_lib_func): Likewise.
5717 * config/avr/avr.c (order_regs_for_local_alloc): Likewise.
5718 * config/fr30/fr30.c (fr30_print_operand): Likewise.
5719 * config/i386/dgux.c (output_options): Likewise.
5720 * config/i386/dgux.h (ASM_FILE_START): Likewise.
5721 * config/m88k/m88k.c (output_options): Likewise.
5722 * config/m88k/m88k.h (ASM_FILE_START): Likewise.
5723 * config/mcore/mcore.c (mcore_output_inline_const_forced,
5724 layout_mcore_frame, handle_structs_in_regs): Likewise.
5725 * config/mips/mips.c (output_block_move): Likewise.
5726 * config/rs6000/rs6000.c (rs6000_override_options,
5727 rs6000_file_start): Likewise.
5728 * config/sparc/sparc.c (sparc_add_gc_roots): Likewise.
5729 * fixinc/fixfixes.c (FIX_TABLE_CT): Likewise.
5730 * fixinc/fixtests.c (TEST_TABLE_CT): Likewise.
5731 * builtins.c (expand_builtin_setjmp): Likewise.
5732 * expr.c (safe_from_p): Likewise.
5733 * flow.c (life_analysis): Likewise.
5734 * fold-const.c (size_int_type_wide): Likewise.
5735 * gcc.c (translate_options, init_spec, set_spec, main): Likewise.
5736 * genattrtab.c (make_length_attrs): Likewise.
5737 * genopinit.c (gen_insn): Likewise.
5738 * genrecog.c (NUM_KNOWN_PREDS, NUM_SPECIAL_MODE_PREDS): Likewise.
5739 * global.c (global_alloc): Likewise.
5740 * local-alloc.c (find_free_reg): Likewise.
5741 * mips-tdump.c (print_symbol): Likewise.
5742 * mips-tfile.c (parse_def, parse_input): Likewise.
5743 * reload1.c (NUM_ELIMINABLE_REGS): Likewise.
5744 * stmt.c (expand_nl_goto_receiver): Likewise.
5745 * stor-layout.c (set_sizetype): Likewise.
5746 * varasm.c (decode_reg_name): Likewise.
5747 * toplev.c (decode_f_option, decode_W_option,
5748 set_target_switch, print_switch_values): Likewise.
5749 (NUM_ELEM): Remove macro.
5750 (display_help, main): s/NUM_ELEM/ARRAY_SIZE/
5752 2000-08-24 Greg McGary <greg@mcgary.org>
5754 * tree.h (enum tree_index): New member `TI_MAIN_IDENTIFIER'.
5755 (MAIN_NAME_P, main_identifier_node): New macros.
5756 * c-common.c (c_common_nodes_and_builtins): Init main_identifier_node.
5757 * c-decl.c (start_decl, grokdeclarator, start_function,
5758 store_parm_decls, finish_function): Use MAIN_NAME_P.
5759 * config/avr/avr.c (function_prologue, function_epilogue): Likewise.
5760 * config/i386/cygwin.h (SUBTARGET_PROLOGUE): Likewise.
5761 * config/i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
5762 * config/pdp11/pdp11.c (output_function_prologue): Likewise.
5764 2000-08-24 Greg McGary <greg@mcgary.org>
5766 * cppfiles.c (actual_directory): Don't write beyond `dir'
5767 when it contains "".
5768 * real.c (asctoeg): Stay within bounds of etens[][].
5770 2000-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5772 * dependence.c (dependence_string, direction_string,
5773 dump_one_node, dump_node_dependence): Hide unused identifiers.
5774 (get_low_bound, normalize_coefficients): Match definition to
5776 (get_one_coefficient): Initialize variables `value0_is_idx' and
5778 (ziv_test, gcd_test): Mark parameters with ATTRIBUTE_UNUSED.
5779 (ziv_test): Delete variable `idx', use parameter `sub' instead.
5780 (direction_merge): Avoid automatic aggregate initialization.
5781 (have_dependence_p): Use `src' not `dest' to set `src_idx'.
5782 Initialize variables `dest_idx' and `src_idx'.
5783 (end_dependence_analysis): Avoid C89 style function definition.
5785 2000-08-24 Joseph S. Myers <jsm28@cam.ac.uk>
5787 * c-common.c (time_char_table): Don't allow width with %F.
5788 (check_format_info): Don't allow "Z" length with scanf.
5790 2000-08-24 Gabriel Dos Reis <gdr@codesourcery.com>
5792 * diagnostic.c (finish_diagnostic): Define.
5793 (output_do_printf): Use wrap_text instead of output_add_string.
5794 (default_print_error_function): Avoid embedded '\n'.
5796 * diagnostic.h (flush_diagnostic_buffer): Declare.
5798 2000-08-23 Alexandre Oliva <aoliva@redhat.com>
5800 * dependence.c: Replace `[][]' with `[][MAX_SUBSCRIPTS]'.
5802 2000-08-23 Hans-Peter Nilsson <hp@axis.com>
5804 * Makefile.in (GCC_PASSES): Add specs.
5806 2000-08-23 Jim Wilson <wilson@cygnus.com>
5808 * frame.h (IA64_UNW_EHANDLER, IA64_UNW_UHANDLER): New.
5809 * config/ia64/frame-ia64.c (__get_personality): Return zero if neither
5810 EHANDLER nor UHANDLER bit is set.
5811 (__get_except_table): Likewise.
5813 2000-08-23 Nick Clifton <nickc@redhat.com>
5815 * config/arm/lib1funcs.asm: Replace upper case condition codes
5816 with lower case versions.
5818 * config/arm/arm.h (STRUCT_VALUE): Define.
5819 (STRUCT_VALUE_REGNUM): Delete.
5821 2000-08-23 Zack Weinberg <zack@wolery.cumb.org>
5823 * cpphash.h (IN_I): New flag for directive table.
5824 * cpplib.c (DIRECTIVE_TABLE): Mark #define, #undef, #ident, and
5826 (_cpp_check_directive): If -fpreprocessed, execute directives
5827 marked with IN_I. Issue no warnings in this case.
5828 * cpplex.c (_cpp_get_token): Expand no macros if -fpreprocessed.
5830 2000-08-23 Joseph S. Myers <jsm28@cam.ac.uk>
5832 * c-common.c (print_char_table): Allow 'I' flag with %d, %i and
5834 (check_format_info): Support printf 'I' flag; warn about it with
5837 2000-08-23 Richard Earnshaw (rearnsha@arm.com)
5839 * arm.c (arm_expand_prologue): Ensure that the stack-adjustment
5840 barrier can't be ignored by the alias analysis code.
5842 2000-08-12 Eli Zaretskii <eliz@is.elta.co.il>
5844 * fixinc/inclhack.def (sysv68_string): Fix the Sed script so it
5845 works inside fixincl.
5847 Wed Aug 23 04:55:48 2000 Alexandre Oliva <aoliva@redhat.com>
5849 * simplify-rtx.c (simplify_rtx): Don't pass VOIDmode to
5850 simplify_relational_operation() unless both operands are of
5852 * cse.c (fold_rtx): Likewise.
5854 Tue Aug 22 23:53:27 EDT 2000 John Wehle (john@feith.com)
5856 * rtlanal.c (rtx_unstable_p): The pic register is stable
5857 (within one function) and the actual rtx should be used
5858 when checking the registers.
5859 (rtx_addr_can_trap_p): Pic memory addresses can't trap.
5861 * alias.c (true_dependence, write_dependence_p): Fix
5862 bug in previous patch.
5864 * i386.c (ix86_GOT_alias_set): New.
5865 (legitimize_pic_address): Use it.
5867 * rtlanal.c (rtx_unstable_p): An unchanging MEM is
5868 only stable if its address is stable.
5869 (rtx_varies_p): An unchanging MEM can't vary if
5870 its address doesn't vary.
5872 2000-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5874 * c-parse.in (unop +): Restrict -Wtraditional warnings to user code.
5876 2000-08-22 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5878 * vax.h (ASM_SPEC): Pass `-J' to assembler.
5879 * x-vax-gcc: New file for bootstrapping with gcc.
5880 * x-vax: Use X_CFLAGS rather than X_CPPFLAGS to pass `-J'.
5881 * configure.in: Use x-vax-gcc with gcc.
5882 * configure: Rebuilt.
5884 Tue Aug 22 21:21:05 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5886 * toplev.c (rest_of_compilation): Rebuild label notes after
5887 post-reload splitting pass if new labels have been created.
5889 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
5891 * diagnostic.h (output_buffer_state): New macro.
5892 * diagnostic.c (diagnostic_for_decl, sorry,
5893 default_print_error_function, output_do_verbatim,
5894 report_diagnostic, report_problematic_module): Use it.
5896 (output_format): Use wrap_text instead of maybe_wrap_text.
5898 2000-08-22 Nick Clifton <nickc@redhat.com>
5900 * config/arm/lib1funcs.asm (ARM_DIV_MOD_BODY): New macro.
5901 Common code for ARM divide and modulus functions.
5902 (THUMB_DIV_MOD_BODY): New macro. Thumb equivalent of
5904 (FUNC_END): New macro: Common code at the end of the division and
5906 (THUMB_FUNCTION_START): New macro: Common code at the start of
5908 (__divsi3, __udivsi3, __modsi3, __umodsi3): Use new macros.
5910 Tue Aug 22 20:34:52 2000 Kaz Kojima <kkojima@rr.iij4u.or.jp>
5912 * config/sh/sh.md (cmpeqdi_t splitter): Fix a reverse testing.
5914 * config/sh/sh.c (prepare_scc_operands): Apply force_reg to
5915 sh_compare_op1 when the mode is DImode and sh_compare_op1 isn't
5918 2000-08-22 Nick Clifton <nickc@redhat.com>
5920 * config/arm/lib1funcs.asm (__umodsi3): Before performing any
5921 restorative additions, test for bottom bits of IP being set,
5922 rather than relying upon the RORs not matching.
5925 2000-08-22 David Edelsohn <edelsohn@gnu.org>
5927 * aix.h (ASM_DECLARE_FUNCTION_NAME): Call named_section() or
5928 text_section() as appropriate instead of emitting text csect
5930 (TEXT_SECTION_ASM_OP): Only require default 32-bit alignment.
5931 (UNIQUE_SECTION): Define macro.
5932 (ASM_OUTPUT_SECTION_NAME): Define macro.
5933 * rs6000.c (rs6000_override_options): Disable -ffunction-sections
5934 on AIX if debugging and -fdata-sections always.
5936 2000-08-22 Steven King <sxking@uswest.net>
5938 * config/float-i386.h (LDBL_EPSILON): Remove __convert_long_double
5940 (LDBL_MAX): Same here.
5942 2000-08-22 Richard Henderson <rth@cygnus.com>
5944 * flow.c (tidy_fallthru_edge): Update b->end properly.
5946 2000-08-22 Stan Cox <scox@redhat.com>
5948 * Makefile.in (OBJS): Add dependence.o.
5949 * dependence.c: New file.
5951 2000-08-22 Alexandre Oliva <aoliva@redhat.com>, John David Anglin <dave.anglin@nrc.ca>
5953 * calls.c (check_sibcall_argument_overlap_1): Adjust for
5955 (check_sibcall_argument_overlap): Likewise.
5957 2000-08-22 Alexandre Oliva <aoliva@redhat.com>
5959 * invoke.texi (SH Options): Document -m4-nofpu,
5960 -m4-single-only, -m4-single, -m4, -mbigtable, -mfmovd,
5961 -mhitachi, -mnomacsave, -misize, -mpadstruct, -mspace.
5963 2000-08-22 Joseph S. Myers <jsm28@cam.ac.uk>
5965 * c-common.c (check_format_info): Give the 'some locales' warning
5966 for strftime %Ey rather than the unconditional 'only last 2 digits
5969 2000-08-22 Richard Henderson <rth@cygnus.com>
5971 * alias.c (init_alias_analysis): Do not register
5972 struct_value_incoming_rtx or static_chain_rtx as pointing
5975 Tue Aug 22 01:44:43 2000 Jeffrey A Law (law@cygnus.com)
5977 * protoize.c (munge_compile_params): Fix typo and formatting buglets.
5979 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
5981 * diagnostic.h (report_problematic_module): Declare.
5982 * diagnostic.c (report_problematic_module): New function.
5983 (report_error_function): Tweak.
5985 Tue Aug 22 02:31:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5987 * stmt.c (expand_goto_internal, fixup_gotos): Only check
5988 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
5990 2000-08-21 Richard Henderson <rth@cygnus.com>
5992 * flow.c (calculate_global_regs_live): Mark frame pointer live
5993 everywhere before reload.
5995 2000-08-21 Jim Wilson <wilson@cygnus.com>
5997 * real.c (ereal_from_int, ereal_from_uint, significand_size): Handle
5998 INTEL_EXTENDED_IEEE_FORMAT.
5999 (toe64): Delete INTEL_EXTENDED_IEEE_FORMAT support. Unconditionally
6000 clear last two bytes of output FP value.
6002 2000-08-21 Graham Stott <grahams@cygnus.co.uk>
6004 * config/ia64/ia64.h (REDO_SECTION_INFO_P): Change decl to DECL.
6006 2000-08-21 Jakub Jelinek <jakub@redhat.com>
6008 * unroll.c (loop_find_equiv_value): If ret is modified between
6009 insn and loop_start, ret might not be equivalent to reg.
6011 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
6013 * c-common.c (init_dollar_format_checking,
6014 maybe_read_dollar_number, finish_dollar_format_checking): New
6016 (dollar_arguments_used, dollar_arguments_count,
6017 dollar_first_arg_num, dollar_max_arg_used, dollar_format_warned):
6019 (check_format_info): Support $ formats for scanf and printf width
6020 and precision. Always increment format_chars to advance past the
6021 '*' of precision, not just when the format parameters are
6024 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6026 * mips.c (block_move_loop, expand_block_move,
6027 function_arg_partial_nregs, save_restore_insns, function_prologue,
6028 mips_expand_prologue, RA_MASK): Avoid using the `U' integer
6030 (function_arg_advance, function_arg): Match argument to format
6033 2000-08-21 Nix <nix@esperi.demon.co.uk>
6035 * gcc.c (do_spec_1): Implement %j spec flag.
6036 Remove dead comment.
6038 * gcc.texi (The Configuration File): Document HOST_BIT_BUCKET.
6039 * system.h (HOST_BIT_BUCKET): Default to "/dev/null".
6040 * config/i386/xm-dos.h (HOST_BIT_BUCKET): Define as "NUL".
6041 * config/i386/xm-os2.h, config/winnt/winnt.h: Likewise.
6043 * protoize.c (munge_compile_params): Use HOST_BIT_BUCKET (if
6044 writable) instead of hardcoded value.
6046 * toplev.c (compile_file): Output to a file even if -fsyntax-only.
6048 * gcc.c, config/i386/xm-dos.h, config/i386/xm-os2.h: Kill
6051 * gcc.c (cc1_options): Do not process -o or run the assembler if
6053 * objc/lang-spec.h: Likewise.
6055 2000-08-21 Eli Zaretskii <eliz@is.elta.co.il>
6057 * fixinc/fixincl.c (fix_with_system): Pipe the output of
6058 "external" fixes through `cat', to avoid truncating the input
6059 file by redirection.
6061 2000-08-21 Jakub Jelinek <jakub@redhat.com>
6063 * config/i386/i386.md (lea_general_1): Copy insn condition to split
6065 (lea_general_2, lea_general_3): Likewise.
6067 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6069 * c-decl.c (duplicate_decls, define_label): Restrict -Wtraditional
6070 warnings to user code.
6072 * c-lex.c (readescape, yylex): Likewise.
6074 * c-typeck.c (store_init_value, process_init_element): Likewise
6075 (c_expand_start_case): Format.
6077 2000-08-18 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
6079 * mips/linux.h (LINK_SPEC): Use %(endian_spec).
6081 * mips/mips.h: Change LINKER_ENDIAN_SPEC to ENDIAN_SPEC
6082 and linker_endian_spec to endian_spec.
6083 (ENDIAN_SPEC): Add %{EB} and %{EL}.
6084 (LINK_SPEC): Remove %{EB} and %{EL}.
6085 (ASM_SPEC): Likewise. Use %(endian_spec).
6087 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
6089 * c-tree.h (flag_hosted): Move declaration from here...
6090 * c-common.h (flag_hosted): ... to here.
6091 (flag_noniso_default_format_attributes): New declaration.
6092 * c-decl.c (flag_noniso_default_format_attributes): New variable.
6093 (c_decode_option): Set it appropriately for options choosing
6094 language standard variant.
6095 * c-common.c (init_function_format_info): Only provide default
6096 format attributes if flag_hosted. Only provide the gettext
6097 formats if flag_noniso_default_format_attributes. Update
6099 (check_format_info): Disable treatment of %a as a scanf flag in
6102 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
6104 * c-common.c (scan_char_table): Add 'w' to flags for all formats
6106 (check_format_info): Set 'wide' for scanf format widths. Warn for
6107 a zero scanf width. Make the check for writing into a constant
6108 object at the first level of indirection; at later levels, warn if
6109 any type qualifiers are encountered.
6111 Mon Aug 21 07:41:12 2000 Jeffrey A Law (law@cygnus.com)
6113 * reload.c (reload_inner_reg_of_subreg): New function broken out of
6115 (push_reload): Use reload_inner_reg_of_subreg.
6116 (combine_reloads): Do not combine reloads if the input reload
6117 is a SUBREG in which the inner part will need reloading.
6119 * global.c (global_alloc): Avoid passing dumpfile argument to
6121 * toplev.c (rest_of_compilation): Likewise.
6122 * reload.h (reload): Remove dumpfile argument. Callers changed.
6123 (debug_reload, debug_reload_to_stream): Move prototypes here.
6124 * rtl.h (reload): Remove dumpfile argument.
6125 * reload.c (debug_reload): Remove prototype.
6126 (debug_reload_to_stream): Likewise.
6127 * reload1.c: Avoid passing dumpfile around, rely on rtl_dump_file
6130 2000-08-21 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
6132 * diagnostic.c (context_as_prefix): Export.
6133 (need_error_newline): Remove.
6134 (lang_diagnostic_starter, lang_diagnostic_finalizer): New objects.
6135 (error_module_changed, record_last_error_module,
6136 error_function_changed, record_last_error_function): New functions.
6137 (initialize_diagnostics): Default intialize
6138 lang_diagnostic_starter, lang_diagnostic_finalizer.
6139 (init_output_buffer): Tweak.
6140 (file_name_as_prefix): New function.
6141 (announce_function, default_print_error_function,
6142 report_error_function, set_diagnostic_context): Tweak.
6144 2000-08-21 Richard Earnshaw <rearnsha@arm.com>
6146 * flow.c (init_propagate_block_info): Handle SUBREG in a jump
6147 condition expression.
6149 2000-08-20 Richard Henderson <rth@cygnus.com>
6151 * flow.c (merge_blocks_nomove): Don't seek back past the bb note.
6153 2000-08-20 Zack Weinberg <zack@wolery.cumb.org>
6155 * cppinit.c (cpp_init): Set global flag when called.
6156 (cpp_reader_init): Bomb out if cpp_init hasn't been called.
6158 Sun Aug 20 01:41:35 2000 Dennis Chernoivanov <cdi@sparc.spb.su>
6160 * cpplex.c (cpp_scan_buffer): Move `output_line_command' just
6161 before `process_directive' so that newlines won't be missed
6163 (cpp_printf): Increment `print->lineno' when newline is emitted.
6165 * cppmain.c (cb_ident): Likewise.
6166 (cb_define): Likewise.
6167 (cb_undef): Likewise.
6168 (cb_include): Likewise.
6169 (cb_def_pragma): Likewise.
6170 (dump_macros_helper): Likewise.
6172 2000-08-20 Richard Henderson <rth@cygnus.com>
6174 * config/ia64/ia64.c (emit_insn_group_barriers): Stop if ar.lc
6175 assigned before a loop.
6177 * config/ia64/ia64.md (ashlsi3): Zero extend the shift count.
6178 (ashrsi3, lshrsi3): Likewise.
6180 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
6182 * c-lang.c: #include diagnostic.h
6183 (c_tree_printer): New function.
6184 (lang_init): Initialize lang_printer.
6186 * Makefile.in (c-lang.o): Depends on diagnostic.h
6188 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
6190 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic.
6192 * diagnostic.c (default_diagnostic_starter,
6193 default_diagnostic_finalizer): New functions.
6194 (diagnostic_for_asm, diagnostic_for_decl): Tweak.
6195 (pedwarn, pedwarn_with_file_and_line, error,
6196 error_with_file_and_line, fatal, warning,
6197 warning_with_file_and_line): Adjust call to report_diagnostic.
6198 (report_diagnostic): Rework.
6199 (set_diagnostic_context): New function.
6201 * diagnostic.h (struct diagnostic_context): New data structure.
6202 (diagnostic_message, diagnostic_argument_list,
6203 diagnostic_file_location, diagnostic_line_location,
6204 diagnostic_is_warning, diagnostic_starter, diagnostic_finalizer,
6205 diagnostic_finalizer, diagnostic_auxiliary_data): New macros.
6206 (set_diagnostic_context): Declare.
6207 (report_diagnostic): Change prototype.
6209 Sun 20-Aug-2000 09:25:45 BST Neil Booth <NeilB@earthling.net>
6211 * fix-header.c (main): Initialize cpplib.
6213 2000-08-19 Michael Meissner <meissner@redhat.com>
6215 * ifcvt.c (find_if_block): Do not assume that a THEN block has any
6216 instructions in it before checking for indirect jumps.
6218 * ifcvt.c (find_if_block): Do not consider a THEN block that ends
6219 in a indirect jump as a potential for conditional execution.
6221 * d30v.h (d30v_init_expanders): Don't declare here.
6222 * d30v-protos.h (d30v_init_expanders): Declare here with a valid
6225 Sat 19-Aug-2000 21:11:45 BST Neil Booth <NeilB@earthling.net>
6227 * cpp.texi: Add @section for assertions.
6229 Sat Aug 19 12:37:08 EDT 2000 John Wehle (john@feith.com)
6231 * loop.c (scan_loop): Use CONST_CALL_P instead of
6232 checking for REG_LIBCALL / REG_RETVAL.
6234 Sat Aug 19 09:18:47 2000 Jeffrey A Law (law@cygnus.com)
6236 * reload1.c (reload_as_needed): Accept dumpfile argument,
6237 pass it to emit_reload_insns.
6238 (emit_reload_insns): Add new dumpfile argument. If non-null
6239 then dump the reloads for each insn into the dumpfile.
6240 (reload): Pass dumpfile to reload_as_needed.
6242 * invoke.texi: Clean up linux-gnu vs linux comments.
6244 2000-08-19 Richard Henderson <rth@cygnus.com>
6246 * config/ia64/ia64.c (reg_or_5bit_operand): New.
6247 (ia64_depz_field_mask): New.
6248 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_R): New.
6249 (PREDICATE_CODES): Update.
6250 * config/ia64/ia64.md: Update commentary.
6251 (depz_internal): New.
6252 (ashlsi3): Implement directly.
6253 (ashrsi3, lshrsi3): Simplify; rely on extv and extzv for constants.
6254 (ashldi3): Use shladd.
6255 * config/ia64/ia64-protos.h: Update.
6257 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
6259 * toplev.c (independent_decode_option): Always process -g.
6260 Remove third argument, now unused. Adjust caller to match.
6262 2000-08-18 Richard Henderson <rth@cygnus.com>
6264 * combine.c (make_compound_operation): Break after creating
6267 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
6269 * cpplib.c (cpp_register_pragma_space): Just return if the
6270 namespace is already registered.
6272 2000-08-18 Ray Essick <essick@ddna.labs.mot.com> & Nick Clifton <nickc@redhat.com>
6274 * config/mcore/mcore.md (rotlsi3): Allow allow rotations by a
6275 constant amount. Do not generate ROTL instruction.
6277 Fri Aug 18 16:22:20 2000 Alexandre Oliva <aoliva@redhat.com>
6279 * config/sh/elf.h: Do not include sh/sh.h.
6280 * config/sh/rtems.h: Likewise.
6281 * config/sh/rtemself.h: Do not include sh/elf.h.
6282 * configure.in: Get them included with `tm_file's.
6283 * configure: Rebuilt.
6285 * config/sh/sh.md (fpu_switch0, fpu_switch1): Simplify.
6286 * config/sh/sh.c (fpscr_set_from_mem): Use them.
6288 Fri Aug 18 14:23:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6290 * stor-layout.c (compute_record_type): Don't use mode of single
6291 field as mode of record if not integer mode of same type.
6293 * regmove.c (perhaps_ends_bb_p): New function.
6294 (optimize_reg_copy_1, optimize_reg_copy_2): Call it.
6295 (optimize_reg_copy_3, fixup_match_2, regmove_optimize): Likewise.
6296 (fixup_match_1): Likewise.
6297 (fixup_match_1, combine_stack_adjustments_for_block): Add casts to
6298 avoid signed/unsigned warnings.
6300 * function.c (fixup_var_refs_1, case MEM): Update CODE after
6303 Fri 18-Aug-2000 18:33:45 BST Neil Booth <NeilB@earthling.net>
6305 * cpphash.h: Use HAVE_DESIGNATED_INITIALIZERS.
6306 (_cpp_trigraph_map): Declaration moved from cpplex.c
6308 * cppinit.c: Define _cpp_trigraph_map. Use UCHAR_MAX + 1
6309 instead of 256. Use consistent test for designated initializers.
6310 (cpp_init): Initialize trigraph_map.
6311 (initialize_standard_includes, parse_option): Use memcmp
6314 * cpplex.c (init_trigraph_map): Remove.
6315 (trigraph_ok, trigraph_replace, lex_line): Refer to
6318 * cpplib.c (str_match, WARNING, ERROR, ICE): Delete.
6319 (do_unassert): Remove unused "next" local.
6321 * system.h (HAVE_DESIGNATED_INITIALIZERS): New prototype.
6323 2000-08-18 Emmanuel Marty <emarty@suntech.fr>
6325 * arm/lib1funcs.asm (_umodsi3 THUMB VARIANT): Restore deleted return
6328 2000-08-17 Richard Henderson <rth@cygnus.com>
6330 * config/ia64/ia64.c (spill_restore_mem): Handle emitting
6331 the first insn in a sequence.
6333 Thu Aug 17 22:40:05 EDT 2000 John Wehle (john@feith.com)
6335 * alias.c (true_dependence, write_dependence_p): A read
6336 involving a label_ref or the constant pool doesn't create
6339 * rtl.h (unchanging): Improve documentation.
6341 2000-08-17 Rodney Brown <RodneyBrown@mynd.com>
6343 * cse.c (insert_regs): Remove unused `regno'.
6345 2000-08-17 Neil Booth <NeilB@earthling.net>
6347 * (cppinit.c) merge_include_chains: Use remove_dup_dir,
6348 remove_dup_dirs. If qtail == brack, remove brack not
6350 (remove_dup_dir, remove_dup_dirs): New functions.
6352 2000-08-17 Neil Booth <NeilB@earthling.net>
6354 * cppinit.c (cpp_cleanup): Free include dir chains.
6355 * cpplib.c (do_undef): Let _cpp_free_definition make the node void.
6356 (do_unassert): Free the assert with _cpp_free_definition.
6357 * cppmacro.c (_cpp_free_definition): Free memory allocated for
6358 assertions. Make the node a T_VOID node.
6360 2000-08-17 Neil Booth <NeilB@earthling.net>
6362 * cppinit.c (path_include, append_include_chain):
6363 Remove 2nd parameter (struct cpp_pending *).
6364 (path_include, initialize_standard_includes, cpp_handle_option):
6365 Update callers appropriately.
6366 (cpp_handle_option): Use pend.
6368 2000-08-17 Neil Booth <NeilB@earthling.net>
6370 * cppinit.c (sort_options): Remove, put functionality in
6373 (initialize_builtins): Free memory.
6374 (cpp_start_read): Move init_IStable to cpp_init.
6376 * cpplib.h (cpp_init): New prototype.
6377 * cppmain.c (main): Call cpp_init.
6379 Thu Aug 17 13:20:32 EDT 2000 John Wehle (john@feith.com)
6381 * rtlanal.c (rtx_unstable_p): Use CONSTANT_P.
6382 (rtx_unstable_p, rtx_varies_p): Process vectors.
6384 2000-08-16 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
6386 * config/sh/lib1funcs.asm (GLOBAL): Define. Use for all
6387 references to GLOBAL symbols. Use LOCAL where appropriate.
6389 2000-08-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6391 * configure.in (*-ibm-aix4.[12]*): Delete test for gnu ld. Always
6392 use t-aix41 when host == target.
6394 2000-08-16 Richard Henderson <rth@cygnus.com>
6396 * reload.c (push_secondary_reload): Revert last change.
6397 If we use a reload_in/out pattern, make the when the same
6398 as the primary reload.
6399 (find_reloads): Likewise.
6401 2000-08-16 Manfred Hollstein <manfredh@redhat.com>
6403 * configure.in (libstdcxx-v3): Fix test.
6404 * configure: Regenerate.
6406 Wed Aug 16 08:10:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6408 * calls.c (calls_function_1, expand_call): Only test
6409 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
6410 * function.c (thread_prologue_and_epilogue_insns): Likewise.
6412 2000-08-16 Richard Henderson <rth@cygnus.com>
6414 * combine.c (simplify_shift_const): Revert previous two
6415 changes. If SHIFT_COUNT_TRUNCATED, crop the shift count
6416 before the main loop.
6418 2000-08-15 Richard Henderson <rth@cygnus.com>
6420 * combine.c (simplify_shift_const): Bound shift count when
6423 Tue Aug 15 17:33:05 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6425 * calls.c (ECF_SP_DEPRESSED): New macro.
6426 (calls_function_1): Treat calling sp-depressed function as alloca.
6427 (emit_call_1): Don't adjust SP if calling sp-depressed function.
6428 (expand_call): Set ECF_SP_DEPRESSED if TYPE_RETURNS_STACK_DEPRESSED.
6429 If sp-depressed, ensure block saves and restores SP.
6430 * fold-const.c (extract_muldiv): Only check TYPE_IS_SIZETYPE
6432 * function.c (keep_stack_depressed): New function.
6433 (thread_prologue_and_epilogue_insns): Call it.
6434 * print-tree.c (print_node): Use HOST_WIDE_INT_PRINT_UNSIGNED
6435 to print DECL_OFFSET_ALIGN.
6436 Print no-force-blk and transparent-union flags properly.
6437 * stmt.c (expand_goto_internal): Don't restore stack if last block
6438 and function returns with sp depressed.
6439 (fixup_gotos): Likewise.
6440 (save_stack_pointer): New function, from code in expand_decl.
6441 (expand_decl): Call new function.
6442 * tree.h (TYPE_IS_SIZETYPE): Call INTEGER_TYPE_CHECK.
6443 (TYPE_RETURNS_STACK_DEPRESSED): New macro.
6444 (save_stack_pointer): New declaration.
6446 * diagnostic.c (fatal_function): New variable.
6447 (set_fatal_function): New function.
6449 * diagnostic.h (set_fatal_function): New declaration.
6451 2000-08-15 William Cohen <wcohen@redhat.com>
6453 * config/sh/elf.h (DWARF2_DEBUGGING_INFO): Defined.
6454 (PREFERRED_DEBUGGING_TYPE): Set to dwarf2 info.
6455 (DWARF2_ASM_LINE_DEBUG_INFO): Defined.
6457 2000-08-15 Richard Henderson <rth@cygnus.com>
6459 * flow.c (mark_used_reg): Set reg_cond_reg appropriately.
6461 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
6463 * arm.c (arm_function_ok_for_sibcall): New function.
6464 * arm.h (FUNCTION_OK_FOR_SIBCALL): Define.
6465 * arm.md (call expanders): Don't check here for calls that can't
6468 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
6470 * arm.md (splits generating cond_exec): Disable.
6472 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
6474 * arm/linux-elf.h (text_section): Delete declaration.
6476 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
6478 ARM support for unordered FP operations.
6479 * arm-protos.h (arm_comparison_operator): Declare.
6480 * arm.c (arm_comparison_operator): New function.
6481 (arm_select_cc_mode): Add unordered comparison codes.
6482 (get_arm_condition_code): Likewise.
6483 (arm_final_prescan_insn): Can't handle unordered jumps that can't
6484 be done in one insn.
6485 * arm.h (PREDICATE_CODES): Add arm_comparison_operator.
6486 * arm.md (all uses of comparison_operator): Replace with
6487 arm_comparison_operator.
6488 (bunordered, bordered, bugt, bunlt, bunge, bunle, buneq, bltgt): New
6490 (arm_buneq, arm_bltgt, arm_buneq_reversed, arm_bltgt_reveresed): New
6493 Tue Aug 15 00:36:36 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
6495 * gthr-posix.h: Conditionally include <sched.h>; include
6496 <config.h> from libobjc/.
6498 2000-08-14 Richard Henderson <rth@cygnus.com>
6500 * config/i386/i386.c (legitimize_pic_address): Use Pmode
6503 2000-08-14 Richard Henderson <rth@cygnus.com>
6505 * configure.in (ia64-*): Set float_format for i386 long double.
6507 * real.c (GET_REAL): Treat 128-bit INTEL_EXTENDED_IEEE_FORMAT
6508 as we would for i386 XFmode.
6509 (PUT_REAL): Likewise.
6510 (endian, ereal_atof, real_value_truncate): Likewise.
6511 (ereal_isneg, toe64, etens, make_nan): Likewise.
6512 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Likewise.
6514 * config/ia64/ia64-protos.h: Update.
6515 * config/ia64/ia64.c (general_tfmode_operand): New.
6516 (destination_tfmode_operand): New.
6517 (tfreg_or_fp01_operand): New.
6518 (ia64_split_timode): New.
6519 (spill_tfmode_operand): New.
6520 (ia64_expand_prologue): Use TFmode not XFmode.
6521 (ia64_expand_epilogue): Likewise.
6522 (ia64_function_arg): Likewise.
6523 (ia64_function_arg_advance): Likewise.
6524 (ia64_return_in_memory): Likewise.
6525 (ia64_function_value): Likewise.
6526 (ia64_print_operand): Likewise.
6527 (ia64_register_move_cost): Set GR<->FR to 5.
6528 (ia64_secondary_reload_class): Get GR for TImode memory op.
6529 * config/ia64/ia64.h (ROUND_TYPE_SIZE): Remove.
6530 (ROUND_TYPE_ALIGN): Remove.
6531 (LONG_DOUBLE_TYPE_SIZE): Set to 128.
6532 (INTEL_EXTENDED_IEEE_FORMAT): Define.
6533 (HARD_REGNO_NREGS): Use TFmode, not XFmode.
6534 (HARD_REGNO_MODE_OK): Likewise. Disallow TImode in FRs.
6535 (MODES_TIEABLE_P): Use TFmode, not XFmode.
6536 (CLASS_MAX_NREGS): Likewise.
6537 (ASM_OUTPUT_LONG_DOUBLE): Output by 4 byte hunks.
6538 (PREDICATE_CODES): Update.
6539 * config/ia64/ia64.md (movti): New.
6540 (movti_internal): Use a clobber for memory alternatives.
6541 (reload_inti, reload_outti): New.
6542 (movsfcc_astep): Predicate properly.
6543 (movdfcc_astep): Likewise.
6546 (extendsftf2, extenddftf2): New.
6547 (trunctfsf2, trunctfdf2): New.
6548 (floatditf2, fix_trunctfdi2): New.
6549 (floatunsditf2, fixuns_trunctfdi2): New.
6550 (addtf3, subtf3, multf3, abstf2): New.
6551 (negtf2, nabstf2, mintf3, maxtf3): New.
6552 (maddtf3, msubtf3, nmultf3, nmaddtf3): New.
6554 (fr_spill): Use TFmode, not XFmode.
6555 (fr_restore): Likewise.
6556 * config/ia64/lib1funcs.asm (__divtf3): New.
6557 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add it.
6559 2000-08-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6561 * cse.c (fold_rtx): Avoid empty body in an if-statement.
6563 * doloop.c (doloop_iterations_max, doloop_modify): Avoid using the
6564 `U' integer constant suffix.
6566 * dwarf2out.c (add_subscript_info): Avoid empty body in an
6569 * sparc/sol2.h (__enable_execute_stack): Prototype.
6571 2000-08-14 David Edelsohn <edelsohn@gnu.org>
6573 * collect2.c: Remove use of AIX import file.
6575 * longlong.h: Test ARCH_PWR not ARCH_POWER.
6577 * rs6000.c (print_operand, case 'E'): Add else.
6579 2000-08-14 Richard Henderson <rth@cygnus.com>
6581 * config/ia64/ia64.md (movdi): Delay calling ia64_expand_load_address.
6582 (movdi_symbolic): New.
6584 2000-08-14 Jim Wilson <wilson@cygnus.com>
6586 * config/ia64/ia64.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
6587 to GNU as. For Intel as, pass -M const_gp and -M no_plabel.
6588 * config/ia64/linux.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
6591 2000-08-14 Richard Henderson <rth@cygnus.com>
6593 * expr.c (emit_group_load): Don't force constants into registers.
6594 Special case source already in the correct mode.
6596 2000-08-14 Zack Weinberg <zack@wolery.cumb.org>
6598 * configure.in: Accept *-*-linux* not just *-*-linux-gnu*.
6599 * fixinc/inclhack.def: Likewise.
6600 * fixinc/mkfixinc.sh: Likewise.
6601 * configure: Regenerate.
6602 * fixinc/fixincl.x: Regenerate.
6603 * install.texi: Document equivalence of linux and linux-gnu.
6605 Mon Aug 14 18:51:44 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6607 * cse.c (insert_regs): Also in REG case: When finding an invalid
6608 value, and we make a new quantity, make sure that it won't be
6609 mistaken by for a valid one by mention_regs.
6611 2000-08-13 Ralf Gütlein <ralf.guetlein@aranea.de>
6613 * h8300.md: Remove obsolete peepholes.
6615 2000-08-13 Kazu Hirata <kazu@hxi.com>
6617 * invoke.texi (H8/300 Options): Fix typos.
6618 * config/h8300.c: Fix formatting.
6619 * config/h8300.h: Fix comment typos.
6620 (OVERRIDE_OPTIONS): Fix formatting.
6622 * function.c: Fix formatting.
6624 * cse.c: Fix formatting.
6626 2000-08-13 Geoff Keating <geoffk@cygnus.com>
6628 * flow.c (attempt_auto_inc): Remove unused variable `bb'.
6629 (attempt_auto_inc): Suppress parentheses warning.
6630 * function.c (put_reg_into_stack): Remove unused variable `unsigned_p'.
6631 * loop.c (load_mems): Remove `u' suffix in two places.
6632 * config/rs6000/rs6000.c: Remove unnecessary `u' suffixes from
6634 * config/rs6000/rs6000.h: Likewise.
6635 * config/rs6000/sol-c0.c: Prototype some functions. Remove the
6636 __eabi dummy routine.
6637 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Remove unused
6640 * config/rs6000/rs6000.c (rs6000_select_section): Rewrite to
6641 not put stuff in .sdata unnecessarily.
6642 (rs6000_unique_section): New function.
6643 * config/rs6000/rs6000-protos.h: Add rs6000_unique_section.
6644 * config/rs6000/sysv4.h (UNIQUE_SECTION): Define.
6646 * c-typeck.c (build_array_ref): Don't complain about non-lvalue
6647 arrays in C99. Don't try to look at DECL_REGISTER of a
6648 COMPONENT_REF. Don't complain twice about the same error.
6650 * fixinc/inclhack.def (aix_pthread): New fix.
6651 (aix_sysmachine): New fix.
6652 * fixinc/fixincl.x: Regenerate.
6654 * expr.c (expand_expr): Call convert_modes when turning a large
6655 multiply into a small one.
6657 2000-08-12 Geoff Keating <geoffk@cygnus.com>
6659 * tree.h (DECL_OFFSET_ALIGN): Make the off_align field of
6660 the tree structure an exponent rather than an explicit alignment
6661 so it doesn't overflow.
6662 (SET_DECL_OFFSET_ALIGN): New macro.
6663 * stor-layout.c (place_union_field): Use SET_DECL_OFFSET_ALIGN
6664 rather than DECL_OFFSET_ALIGN.
6665 (place_field): Likewise.
6666 * expmed.c (store_bit_field): Abort on align==0 to avoid
6667 antisocial machine behaviour.
6669 2000-08-12 Richard Henderson <rth@cygnus.com>
6671 * sibcall.c (uses_addressof): Accept both addressof and
6672 current_function_internal_arg_pointer inside a mem.
6673 (optimize_sibling_and_tail_recursive_call): Fail tail recursion
6674 if current_function_uses_addressof.
6675 * stmt.c (expand_return): Kill tail recursion and HAVE_return
6678 2000-08-11 Richard Henderson <rth@cygnus.com>
6680 * config/ia64/ia64.md (addsi3): Remove expander.
6681 (subsi3, mulsi3, negsi2, one_cmplsi2): Likewise.
6682 (*addsi3_shladd): New.
6684 2000-08-11 Richard Henderson <rth@cygnus.com>
6686 * config/ia64/ia64.c (do_spill): Pass cfa offset to move expander.
6687 (do_restore): Likewise.
6688 (gen_movdi_x, gen_fr_spill_x, gen_fr_restore_x): New.
6689 (ia64_expand_prologue, ia64_expand_epilogue): Use them.
6690 (rtx_needs_barrier): Track actual bit manipulation for
6691 ar.unat moves, gr_spill, and gr_restore.
6692 (emit_insn_group_barriers): Special case gr_spill/gr_restore.
6693 (process_set): Don't handle varargs spills.
6694 * config/ia64/ia64.md (gr_spill): Accept cfa offset. Emit
6695 .mem.offset here instead of in process_set.
6696 (gr_restore): Likewise.
6698 2000-08-11 Richard Henderson <rth@cygnus.com>
6700 * config/ia64/ia64.h (PROMOTE_MODE): Only extend to SImode.
6702 2000-08-11 Mark Elbrecht <snowball3@bigfoot.com>
6704 * gcc.texi (The Configuration File): Document
6705 COLLECT2_HOST_INITIALIZATION, GCC_DRIVER_HOST_INITIALIZATION, and
6706 UPDATE_PATH_HOST_CANONICALIZATION.
6708 2000-08-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6710 * c-parse.in (cast_expr): Avoid -Wstrict-prototype warnings for
6711 unprototyped function pointer casts on integer constants.
6713 2000-08-11 Laurynas Biveinis <lauras@softhome.net>
6715 * fixproto: Recognize DOS paths with drive letters as absolute paths.
6717 2000-08-11 Nathan Sidwell <nathan@codesourcery.com>
6719 * extend.texi (Volatiles): Fix typos.
6721 2000-08-11 Kazu Hirata <kazu@hxi.com>
6723 * flow.c: Fix formatting.
6725 2000-08-11 Richard Henderson <rth@cygnus.com>
6727 * reload.c (push_secondary_reload): When invoking a reload_{in,out}
6728 pattern, always allocate a tertiary scratch register.
6730 * config/alpha/alpha.md (reload_inqi): Use a DImode scratch.
6731 (reload_inhi): Likewise.
6733 2000-08-11 Richard Henderson <rth@cygnus.com>
6735 * function.c (put_reg_into_stack): Allow type to be NULL.
6736 (schedule_fixup_var_refs): Likewise.
6737 (gen_mem_addressof): Allow decl to be NULL.
6738 (put_addressof_into_stack): Likewise.
6740 * flow.c (merge_blocks_nomove): Be more careful about
6741 locating the beginning of block A.
6743 * combine.c (simplify_shift_const): Obey SHIFT_COUNT_TRUNCATED.
6745 Thu Aug 10 22:47:09 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
6750 * config.in: Reverted the check for <sched.h>.
6752 2000-08-10 Chris Demetriou <cgd@sibyte.com>
6754 * mips/elf.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME): New
6755 macros define the name of CTOR and DTOR sections.
6756 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
6757 DTOR_LIST_END): Change to use attributes to specify
6759 * mips/elf64.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME,
6760 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
6761 DTOR_LIST_END): Same as in mips/elf.h.
6763 2000-08-10 Drew Moseley <dmoseley@redhat.com>
6765 * config/mn10300/mn10300.h: Added no-crt0 option for explicitly
6766 disabling just crt0.o.
6768 2000-08-10 Richard Earnshaw <rearnshaw@arm.com> & Nick Clifton <nickc@cygnus.com>
6770 * arm.h (CPP_SPEC): Use sub-spec cpp_interwork.
6771 (CPP_INTERWORK_SPEC, CPP_INTERWORK_DEFAULT_SPEC): New sub-specs.
6772 (EXTRA_SPECS): Add them.
6773 * arm/lib1funcs.asm: Support builds for interworking.
6774 Use macros to eliminate duplicated pieces of code.
6776 2000-08-10 Kazu Hirata <kazu@hxi.com>
6778 * h8300.c (expand_a_rotate): New.
6779 (emit_a_rotate): Likewise.
6780 (h8300_adjust_insn_length): Add support for the rotate insns.
6781 * h8300.md (rotlqi3): New.
6782 (*rotlqi3_1): Likewise.
6783 (rotlhi3): Likewise.
6784 (*rotlhi3_1): Likewise.
6785 (rotlhi3): Likewise.
6786 (*rotlhi3_1): Likewise.
6787 * h8300-proto.h: Add prototypes for expand_a_rotate and
6790 * h8300.c: Fix comment typos.
6791 (dosize): Declare the variable amount as unsigned.
6792 (get_shift_alg): Fix a comparison between signed and unsigned.
6793 (emit_a_shift): Likewise.
6794 (h8300_adjust_insn_length): Simplify the code.
6796 * c-decl.c: Fix formatting.
6798 2000-08-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6800 * c-lex.c (parse_float, yylex): For -Wtraditional, issue a
6801 warning about non-traditional numeric constant suffixes.
6803 * cppexp.c (parse_number): Likewise.
6805 * invoke.texi: (-Wtraditional): Document new behavior.
6807 Thu Aug 10 00:11:04 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
6809 * gthr-posix.h: Include auto-host.h. Conditionally include
6811 * configure.in: Check for the <sched.h> header file.
6812 * config.in: Added define for HAVE_SCHED_H.
6814 2000-08-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6816 * c-typeck.c (process_init_element): For -Wtraditional, warn about
6817 initialization of unions.
6819 * invoke.texi (-Wtraditional): Document new behavior.
6821 2000-08-09 Zack Weinberg <zack@wolery.cumb.org>
6823 * configure.in (--enable-c-cpplib): Uncomment. Use AC_DEFINE
6824 instead of extra_c_flags.
6825 (--enable-c-mbchar): Use AC_DEFINE instead of extra_c_flags.
6826 * configure: Regenerate.
6827 * config.in: Regenerate.
6829 * cpperror.c (cpp_type2name): New function.
6830 * cpplex.c (lex_line): If we issued an error for an invalid
6831 preprocessing directive, discard that logical line.
6832 * cpplib.c (do_line): Call a hook function if the current file
6833 is renamed by #line.
6834 (do_ident): Pass the contents of the string, not the entire
6835 token, to the callback function.
6836 * cpplib.h (CPP_LAST_PUNCTUATOR): New #define.
6837 (cb.rename_file): New hook function.
6838 (cb.ident): Adjust prototype.
6839 (cpp_type2name): Prototype.
6840 * cppmacro.c (dump_macro_args): Correct precedence lossage.
6842 * cppmain.c (cb_ident): Update for changed interface.
6843 (cb_rename_file): New function.
6844 (main): Set rename callback.
6846 2000-08-09 Alexandre Oliva <aoliva@redhat.com>
6848 * caller-save.c (mark_referenced_regs): Mark partially-overwritten
6849 multi-word registers.
6851 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
6853 * c-common.c (combine_strings, check_format_info): Refer to ISO C
6854 or ISO C89 instead of ANSI C.
6855 * c-decl.c (grokdeclarator, xref_tag, finish_struct,
6856 build_enumerator, do_case): Likewise.
6857 * c-lex.c (parse_float, yylex): Likewise.
6858 * c-parse.in: Likewise.
6859 * c-typeck.c (common_type, build_array_ref, build_binary_op,
6860 build_unary_op, pedantic_lvalue_warning, build_conditional_expr,
6861 build_c_cast, convert_for_assignment, set_init_index,
6862 set_init_label, c_expand_start_case): Likewise.
6863 * toplev.c (documented_lang_options, display_help): Likewise.
6865 2000-08-08 Kazu Hirata <kazu@hxi.com>
6867 * h8300.c: Fix formatting.
6868 * h8300.h: Likewise.
6869 * h8300.md: Likewise.
6870 (movsi_h8300hs): Fix formatting of the resulting assembly code.
6872 * reload1.c: Fix formatting.
6874 2000-08-08 Rodney Brown <RodneyBrown@mynd.com>
6876 * alpha/alpha.c (alpha_emit_xfloating_libcall):
6877 Use GEN_CALL_VALUE define.
6878 * alpha/alpha.md (untyped_call): Use GEN_CALL define.
6879 * clipper/clipper.md (untyped_call): Likewise.
6880 * dsp16xx/dsp16xx.md (untyped_call): Likewise.
6881 * fx80/fx80.md (untyped_call): Likewise.
6882 * mips/mips.md (untyped_call): Likewise.
6883 * ns32k/ns32k.md (untyped_call): Likewise.
6884 * pa/pa.md (untyped_call): Likewise.
6885 * romp/romp.md (untyped_call): Likewise.
6886 * sparc/sparc.md (untyped_call): Likewise.
6888 2000-08-08 Jason Eckhardt <jle@cygnus.com>
6890 * config/i860/i860.c (singlemove_string): Do not generate assembler
6891 pseudo instructions that must be expanded (that is, with signed
6892 constants larger than 16 bits).
6894 2000-08-08 Richard Henderson <rth@cygnus.com>
6896 * flow.c (life_analysis): Only turn off PROP_LOG_LINKS and
6897 PROP_AUTOINC at -O0. Don't collect alias info at -O0.
6898 (init_propagate_block_info): Don't kill memory stores at -O0.
6899 (mark_set_1, mark_used_regs): Likewise.
6901 2000-08-08 David Edelsohn <edelsohn@gnu.org>
6903 * rs6000.c (optimization_options): Decorate 'level' as
6905 (mask64_operand): Remove sign-extend thinko.
6906 (rldic_operand): New function.
6907 (load_multiple_operation): regno's are unsigned ints.
6908 (store_multiple_operation): Likewise.
6909 (lmw_operation): Likewise.
6910 (stmw_operation): Likewise.
6911 (includes_lshift_p): shift_mask is unsigned int.
6912 (includes_lshift64_p): New function.
6913 (addrs_ok_for_quad_peep): unsigned int reg1.
6914 (print_operand): Consistently add "else" after
6915 output_operand_lossage().
6916 (print_operand, case 'b'): Fold in case 'W'.
6917 (print_operand, case 'W'): Print rldic MB value.
6918 (output_epilogue): Update Objective-C language string.
6919 (output_toc): unsigned HOST_WIDE_INT low, compare unsigned.
6920 * rs6000.h (PREDICATE_CODES): Add rldic_operand.
6921 * rs6000.md (ashldi3): Add rldic instruction.
6922 (iordi3, xordi3): Remove redundant "else if CONST_DOUBLE".
6923 (cmpsi_internal2, cmpdi_interal2): Use 'b' output template
6926 2000-08-08 Richard Henderson <rth@cygnus.com>
6928 * config/ia64/ia64-protos.h: Remove duplicates. Update
6929 for massive code rearrangements.
6930 * config/ia64/ia64.c (ia64_arpfs_regno): Remove.
6931 (ia64_rp_regno, ia64_fp_regno, ia64_input_regs): Remove.
6932 (ia64_local_regs, ia64_need_regstk): Remove.
6933 (ar_ccv_reg_operand): New.
6934 (ia64_gp_save_reg): New.
6935 (struct ia64_frame_info): Combine most of the size elements;
6936 add new gr save elements.
6937 (find_gr_spill): New.
6938 (next_scratch_gr_reg): New.
6939 (mark_reg_gr_used_mask): New.
6940 (ia64_compute_frame_size): Rewrite. Allocate special AR regs
6941 to GR backing store regs when possible.
6942 (ia64_initial_elimination_offset): New.
6943 (ia64_rap_fp_offset): Remove.
6944 (save_restore_insns): Remove.
6945 (setup_spill_pointers): New.
6946 (finish_spill_pointers): New.
6947 (spill_restore_mem): New.
6948 (do_spill, do_restore): New.
6949 (ia64_expand_prologue): Rewrite to use them.
6950 (ia64_expand_epilogue): Likewise.
6951 (ia64_direct_return): Update for current_frame_info changes.
6952 (ia64_function_prologue): Simplify .prologue emission. Emit
6954 (ia64_setup_incoming_varargs): Don't ever emit rtl.
6955 (ia64_dbx_register_number): New.
6956 (ia64_initialize_trampoline): New.
6957 (ia64_secondary_reload_class): Request GR_REGS for integer
6958 arithmetic destined for FR_REGS.
6959 (ia64_init_machine_status): Don't reset return_address_pointer_rtx.
6960 (ia64_mark_machine_status): Mark ia64_gp_save.
6961 (rws_access_regno): Rename from rws_access_reg; don't treat
6962 predicates specially.
6963 (rws_access_reg): New. Update all callers.
6964 (rtx_needs_barrier): Remove dead unspecs.
6965 (ia64_epilogue_uses): Mark ar.pfs and ar.unat live on exit.
6966 (ia64_encode_section_info): Silence signed/unsigned warnings.
6967 (spill_offset, sp_offset, spill_offset_emitted): Remove.
6968 (tmp_reg, tmp_saved): Remove.
6969 (process_set): Rewrite to expect complicated bits via
6970 REG_FRAME_RELATED_EXPR.
6971 (ia64_expand_fetch_and_op): Use emit_move_insn; be explicit
6972 in the use of ar.ccv; never set RTX_UNCHANGING_P.
6973 (ia64_expand_op_and_fetch): Likewise.
6974 (ia64_expand_compare_and_swap): Likewise.
6975 (ia64_expand_builtin): Likewise.
6976 * config/ia64/ia64.h (AR_UNAT_REGNUM): New.
6977 (FIRST_PSEUDO_REGISTER): Update.
6978 (AR_M_REGNO_P): Update.
6979 (FIXED_REGS): Don't mark three local registers as used.
6980 (EXTRA_CC_MODES): New.
6981 (SELECT_CC_MODE): New.
6982 (HARD_REGNO_NREGS): Allow DImode in p0; handle CCImode.
6983 (HARD_REGNO_MODE_OK): Disallow CCImode from non-predicates.
6984 (FRAME_GROWS_DOWNWARD): Unset.
6985 (STARTING_FRAME_OFFSET): Zero.
6986 (ELIMINABLE_REGS): Eliminate from the soft to hard frame pointer.
6987 (INITIAL_ELIMINATION_OFFSET): Defer to out of line function.
6988 (HARD_FRAME_POINTER_REGNUM): New.
6989 (CAN_DEBUG_WITHOUT_FP): Define.
6990 (TRAMPOLINE_TEMPLATE): Remove.
6991 (TRAMPOLINE_SIZE): Lower to 32.
6992 (TRAMPOLINE_ALIGNMENT): Lower to 64.
6993 (INITIALIZE_TRAMPOLINE): Defer to out of line function.
6994 (PREDICATE_CODES): Update.
6995 (struct machine_function): Add ia64_gp_save.
6996 * config/ia64/ia64.md: Purge unused unspecs.
6997 (movsi patterns): Allow moves to/from AR_M_REGS.
6998 (movdi patterns): Allow moves to/from p0.
6999 (call patterns): Move most setjmp hackery to ia64_gp_save_reg.
7000 (gr_spill, gr_restore): Indicate ar.unat read/written.
7001 (nonlocal_goto): Don't pass old frame_pointer.
7002 (nonlocal_goto_receiver): Remove.
7003 (exception_receiver): New.
7004 (builtin_setjmp_setup): New.
7005 (builtin_setjmp_receiver): New.
7006 * config/ia64/lib1funcs.asm (__ia64_save_stack_nonlocal): Bundle.
7007 (__ia64_nonlocal_goto): Bundle. Don't kill r7.
7008 (__ia64_restore_stack_nonlocal): Likewise.
7009 (__ia64_trampoline): New.
7010 * config/ia64/sysv4.h (DBX_REGISTER_NUMBER): Defer to out of line
7012 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __trampoline.
7014 2000-08-08 Richard Henderson <rth@cygnus.com>
7016 * frame.h (ia64_frame_state): Add my_psp.
7017 * libgcc2.c (ia64_throw_helper): Add throw_sp argument.
7018 (__throw): Pass it in. Don't clobber r7.
7019 * config/ia64/frame-ia64.c (init_ia64_reg_loc): Mark inline.
7020 (execute_one_ia64_descriptor) [mem_stack_v]: Sets psp.when
7021 and nothing to do with sp.
7022 (normalize_reg_loc): Use frame->my_psp.
7023 (frame_translate): Handle frame-pointer-less functions. Set
7024 spill_base correctly, in absence of being told.
7025 (__build_ia64_frame_state): New sp argument. Fill in frame->my_sp.
7026 (__ia64_backtrace_helper): New sp argument. Use
7027 builtin_return_address instead of label addresses.
7028 (print_record) [mem_stack_v]: No size member.
7030 2000-08-08 Richard Henderson <rth@cygnus.com>
7032 * regclass.c (choose_hard_reg_mode): Iterate over all CC modes.
7034 2000-08-08 Richard Henderson <rth@cygnus.com>
7036 * tm.texi (LOCAL_REGNO): Document.
7037 * flow.c (LOCAL_REGNO, EPILOGUE_USES): Provide default.
7038 (mark_regs_live_at_end): Don't mark LOCAL_REGNO registers.
7039 * reload1.c (reload): Likewise when considering nonlocal labels.
7041 * config/ia64/ia64.h (LOCAL_REGNO): New.
7042 * config/sparc/sparc.h (LOCAL_REGNO): New.
7044 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
7046 * c-lex.c (yylex): Don't allow integer suffixes 'LUL', 'Ll', 'lL'.
7048 2000-08-07 Nick Clifton <nickc@redhat.com>
7050 * config/mips/mips.c: Fix compile time warning messages.
7051 * config/mips/mips-protos.h: Add prototype for equality_op.
7053 * mn10300.h (TARGET_SWITCHES): Document `-mam33'.
7055 2000-08-07 Graham Stott <grahams@cygnus.co.uk>
7057 * mn10300.md: Use nonimmediate_operand instead of general_operand
7060 * mn10300.h (PREFERRED_RELOAD_CLASS): Limit memory reloads.
7062 2000-08-07 Alexandre Oliva <aoliva@redhat.com>
7064 * sh.h (EXTRA_CONSTRAINT_Q): Adjust to GNU Coding Standards.
7065 * sh.c (expand_block_move): Break long lines.
7066 (expand_ashiftrt, fpscr_set_from_mem): Likewise.
7067 * sh.md (mulsi3): Likewise.
7068 (movdi): Adjust spacing.
7070 2000-08-07 Richard Henderson <rth@cygnus.com>
7072 * expmed.c (store_bit_field): Don't require MEM_IN_STRUCT_P.
7073 * expr.c (emit_group_store): Don't set it.
7075 2000-08-07 Kazu Hirata <kazu@hxi.com>
7077 * invoke.texi (Options for Debugging Your Program or GCC): Remove
7078 duplicate entries for 'w' and 'z'.
7080 * flow.c: Fix a comment typo.
7082 Sun Aug 6 23:47:35 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
7084 * c-parse.in: Changed the language string for Objective-C to "GNU
7087 Sun Aug 6 11:54:03 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
7089 * gthr-posix.h: Integrated Chris Ball's <cball@fmco.com> changes
7090 to improve the Posix thread support for Objective-C.
7092 2000-08-06 Joseph S. Myers <jsm28@cam.ac.uk>
7094 * c-common.h (enum c_tree_index): Add CTI_SIGNED_SIZE_TYPE and
7095 CTI_UNSIGNED_PTRDIFF_TYPE.
7096 (signed_size_type_node): Define.
7097 (unsigned_ptrdiff_type_node): Define.
7098 * c-decl.c (init_decl_processing): Create the
7099 signed_size_type_node and unsigned_ptrdiff_type_node types.
7100 * c-common.c (T_SC): Define.
7103 (print_char_table): Use T_SST for %zd, %zi, %zn. Use T_UPD for
7104 %to, %tu, %tx, %tX. Allow %hhn (T_SC). Add "c" to the flags for
7106 (scan_char_table): Use T_SC for %hhd, %hhi, %hhn. Use T_SST for
7107 %zd, %zi, %zn. Use T_UPD for %to, %tu, %tx, %tX. Add "c" to the
7108 flags for %c, %s and %[.
7109 (check_format_info): Only allow leniency for signedness of targets
7110 of character pointers (when pedantic) for formats flagged with
7111 "c", so for strings but not for %hh formats. When pedantic, don't
7112 allow character pointers to substitute for void pointers if a
7113 second level of indirection is present.
7115 2000-08-06 Kazu Hirata <kazu@hxi.com>
7117 * invoke.texi (Options for Debugging Your Program or GCC): Update
7118 the names of dump files.
7120 * h8300.c (dosize): Rearrange code for conciseness.
7121 (split_adds_subs): Likewise.
7123 * loop.c: Fix formatting.
7125 * dwarf2out.c: Fix formatting.
7127 * tm.texi (FUNCTION_ARG_PARTIAL_NREGS): Fix a typo.
7129 * expr.c: Fix formatting.
7131 2000-08-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7133 * rs6000.c (rs6000_maybe_dead): Prototype.
7135 2000-08-06 Richard Henderson <rth@cygnus.com>
7137 * stmt.c (expand_goto): Do virtual_stack_vars_rtx replacement for
7138 HAVE_nonlocal_goto as well.
7139 * config/i960/i960.md (nonlocal_goto): Don't do it here.
7140 * config/pj/pj.md (nonlocal_goto): Likewise.
7142 2000-08-07 Michael Hayes <mhayes@cygnus.com>
7144 * loop.c (try_swap_copy_prop): New function.
7145 (load_mems): Rename copies to load_copies and add new regset
7146 store_copies. Check for sets of shadow registers and mark
7147 in store_copies. Call try_swap_copy_prop for registers
7148 marked in store_copies.
7150 Sun Aug 6 00:54:42 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
7152 * objc/objc-act.c: New command line option -fconstant-string-class
7153 to allow specifying a user defined constant string class,
7154 different from NXConstantString.
7156 * toplev.c: Moved the Objective-C specific options to
7157 objc/lang-options.h.
7159 * objc/lang-options.h: Moved the Objective-C specific options from
7160 toplev.c. Added -fconstant-string-class.
7162 2000-08-05 Chris Demetriou <cgd@sibyte.com>
7164 * mips/elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
7165 DTOR_LIST_BEGIN, DTOR_LIST_END): change type of
7166 __CTOR_LIST__ from func_ptr array to just func_ptr, to
7167 avoid extra alignment imposed on arrays.
7168 * mips/elf64.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
7169 DTOR_LIST_BEGIN, DTOR_LIST_END): Likewise.
7171 * mips.h: Clean up comments and spacing near MASKs.
7172 (TARGET_UNIX_ASM): Delete.
7173 (MASK_MIPS16, MASK_NO_CHECK_ZERO_DIV, MASK_CHECK_RANGE_DIV,
7174 MASK_UNINIT_CONST_IN_RODATA): Change values to make mask
7177 2000-08-05 Joseph S. Myers <jsm28@cam.ac.uk>
7179 * c-common.c (print_char_table): Add entries for the X/Open '
7180 format flag (print decimals with locale's thousands grouping
7181 character). Make %C expect wint_t.
7182 (check_format_info): If pedantic, warn when the %n$ operand
7183 number form is used. Allow for the ' flag; warn about it if
7186 2000-08-05 Zack Weinberg <zack@wolery.cumb.org>
7188 * i386.h (FUNCTION_OK_FOR_SIBCALL): Not OK if DECL's return
7189 type is a float mode, cfun->decl's return type is not, and
7190 TARGET_FLOAT_RETURNS_IN_80387.
7192 2000-08-04 Andreas Schwab <schwab@suse.de>
7194 * cppmain.c (cb_def_pragma): Skip the first two tokens from the
7195 token list, which are always `#' and `pragma'.
7197 2000-08-04 Zack Weinberg <zack@wolery.cumb.org>
7199 * tree.c (tree_expr_nonnegative_p): Move to...
7200 * fold-const.c: ... here. Also handle BIND_EXPR and RTL_EXPR.
7201 (rtl_expr_nonnegative_p): New.
7202 * tree.h: Add prototype for rtl_expr_nonnegative_p.
7204 * real.h (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH, CONST_DOUBLE_MEM,
7205 CONST_DOUBLE_CHAIN: Move to...
7206 * rtl.h: ...here. Use XCINT/XCEXP.
7208 * Makefile.in: Remove toplev.o from OBJS. Add rule to make
7209 libbackend.a; add libbackend.a to STAGESTUFF. Add BACKEND
7210 variable. Use BACKEND when linking cc1, not OBJS. Add BACKEND
7213 * objc/Make-lang.in (cc1obj): Link with $(BACKEND).
7215 2000-08-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7217 * config/c4x/c4x.md (return_indirect_internal): New.
7218 * config/c4x/c4x.c (c4x_expand_epilogue): Use it.
7220 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
7222 * c-common.c (time_char_table): Mark up formats added in C99 and
7223 make other corrections. %D and %g were added in C99. %Og is an
7224 extension. %EX is permitted. %R, %T, %n, %r, %t were added in
7225 C99. %e was added in C99. %Oj is an extension. %G and %z are in
7226 C99 rather than GNU extensions, but %OG and %Oz are extensions.
7227 %h was added in C99. %C was added in C99. %OY and %OC are
7228 extensions. Add the C99 format %F.
7229 (check_format_info): If pedantic and not in C99 mode, warn for C99
7232 Fri Aug 4 23:01:58 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7234 * function.c (schedule_fixup_var_refs): New function, broken out
7235 of put_reg_into_stack.
7236 (put_reg_into_stack): Use it.
7237 (put_var_into_stack): In CONCAT case, fixup up references for
7238 components only after fixing up references to the whole concat.
7240 2000-08-04 Rodney Brown <RodneyBrown@pmsc.com>
7242 * alias.c (mark_constant_function): Use INSN_P.
7243 (init_alias_analysis): Likewise.
7244 * combine.c (combine_instructions): Use INSN_P.
7245 (can_combine_p): Likewise.
7246 (try_combine): Likewise.
7247 (distribute_notes): Likewise.
7248 (distribute_links): Likewise.
7249 * cse.c (cse_around_loop): Use INSN_P.
7250 (invalidate_skipped_block): Likewise.
7251 (cse_set_around_loop): Likewise.
7252 (cse_end_of_basic_block): Likewise.
7253 (delete_trivially_dead_insns): Likewise.
7254 * emit-rtl.c (unshare_all_rtl_again): Use INSN_P.
7255 (unshare_all_rtl_1): Likewise.
7256 (next_cc0_user): Likewise.
7257 (try_split make_insn_raw): Likewise.
7258 (remove_unnecessary_notes): Likewise.
7259 * final.c (shorten_branches): Use INSN_P.
7260 (leaf_renumber_regs): Likewise.
7261 (leaf_renumber_regs_insn): Likewise.
7262 * flow.c (find_label_refs): Use INSN_P.
7263 (verify_wide_reg): Likewise.
7264 (notice_stack_pointer_modification): Likewise.
7265 (count_or_remove_death_notes): Likewise.
7266 (verify_flow_info): Likewise.
7267 (clear_log_links): Likewise.
7268 * function.c (fixup_var_refs_insns): Use INSN_P.
7269 (compute_insns_for_mem): Likewise.
7270 * gcse.c (alloc_gcse_mem): Use INSN_P.
7271 (compute_sets): Likewise.
7272 (compute_hash_table): Likewise.
7273 (classic_gcse): Likewise.
7275 (insert_insn_end_bb): Likewise.
7276 (delete_null_pointer_checks_1): Likewise.
7277 * global.c (expand_preferences): Use INSN_P.
7278 (build_insn_chain): Likewise.
7279 * graph.c (node_data): Use INSN_P.
7280 * haifa-sched.c (priority): Use INSN_P.
7281 (rm_line_notes): Likewise.
7282 (rm_other_notes): Likewise.
7283 (find_insn_reg_weight): Likewise.
7284 (init_target_units): Likewise.
7285 (schedule_block): Likewise.
7286 (compute_block_forward_dependences): Likewise.
7287 (debug_dependencies): Likewise.
7288 (set_priorities): Likewise.
7289 * integrate.c (function_cannot_inline_p): Use INSN_P.
7290 (save_parm_insns): Likewise.
7291 (copy_insn_list): Likewise.
7292 * jump.c (mark_all_labels): Use INSN_P.
7293 (never_reached_warning): Likewise.
7294 * lcm.c (optimize_mode_switching): Use INSN_P.
7295 * local-alloc.c (validate_equiv_mem): Use INSN_P.
7296 (memref_used_between_p): Likewise.
7297 (update_equiv_regs): Likewise.
7298 (block_alloc): Likewise.
7299 (no_conflict_p): Likewise.
7300 * loop.c (scan_loop): Use INSN_P.
7301 (find_and_verify_loops): Likewise.
7302 (count_loop_regs_set): Likewise.
7303 (loop_reg_used_before_p): Likewise.
7304 (strength_reduce): Likewise.
7305 (recombine_givs): Likewise.
7306 (check_dbra_loop): Likewise.
7307 (load_mems): Likewise.
7308 (try_copy_prop): Likewise.
7309 * print-rtl.c (print_rtx): Use INSN_P.
7310 * recog.c (find_single_use): Use INSN_P.
7311 * reg-stack.c (stack_regs_mentioned): Use INSN_P.
7312 (next_flags_user): Likewise.
7313 (swap_rtx_condition): Likewise.
7314 * regmove.c (mark_flags_life_zones): Use INSN_P.
7315 (optimize_reg_copy_1): Likewise.
7316 (optimize_reg_copy_2): Likewise.
7317 (optimize_reg_copy_3): Likewise.
7318 (reg_is_remote_constant_p): Likewise.
7319 (fixup_match_2): Likewise.
7320 (regmove_optimize): Likewise.
7321 (fixup_match_1): Likewise.
7322 * regrename.c (build_def_use): Use INSN_P.
7323 (replace_reg_in_block): Likewise.
7324 (consider_use): Likewise.
7325 * reload.c (find_equiv_reg): Use INSN_P.
7326 * reload1.c (reload): Use INSN_P.
7327 (maybe_fix_stack_asms): Likewise.
7328 (calculate_needs_all_insns): Likewise.
7329 (reload_as_needed): Likewise.
7330 (emit_output_reload_insns): Likewise.
7331 (delete_address_reloads_1): Likewise.
7332 (reload_cse_regs_1): Likewise.
7333 (reload_combine): Likewise.
7334 (reload_cse_move2add): Likewise.
7335 * reorg.c (redundant_insn): Use INSN_P.
7336 (dbr_schedule): Likewise.
7337 * resource.c (find_dead_or_set_registers): Use INSN_P.
7338 (mark_target_live_regs): Likewise.
7339 * rtlanal.c (reg_used_between_p): Use INSN_P.
7340 (reg_referenced_between_p): Likewise.
7341 (reg_set_between_p): Likewise.
7342 (reg_set_p): Likewise.
7343 (single_set): Likewise.
7344 (multiple_sets): Likewise.
7345 (find_last_value): Likewise.
7346 (reg_set_last): Likewise.
7347 (find_reg_note): Likewise.
7348 (find_regno_note): Likewise.
7349 * sibcall.c (sequence_uses_addressof): Use INSN_P.
7350 * simplify-rtx.c (cselib_process_insn): Use INSN_P.
7351 * ssa.c (find_evaluations): Use INSN_P.
7352 (rename_block): Likewise.
7353 (rename_equivalent_regs): Likewise.
7354 * unroll.c (loop_find_equiv_value): Use INSN_P.
7355 (set_dominates_use): Likewise.
7356 * varasm.c (mark_constant_pool): Use INSN_P.
7357 (mark_constants): Likewise.
7358 * config/alpha/alpha.c (alpha_does_function_need_gp): Use INSN_P.
7359 (alphaev4_next_group): Likewise.
7360 (alphaev5_next_group): Likewise.
7361 * config/c4x/c4x.c (c4x_process_after_reload): Use INSN_P.
7362 (c4x_rptb_rpts_p): Likewise.
7363 * config/mips/mips.c (mips16_optimize_gp): Use INSN_P.
7364 * config/rs6000/rs6000.c (uses_TOC): Use INSN_P.
7365 (rs6000_adjust_priority): Likewise.
7366 * config/sh/sh.c (sh_loop_align): Use INSN_P.
7367 (machine_dependent_reorg): Likewise.
7368 (split_branches): Likewise.
7369 * config/tahoe/tahoe.c (tahoe_cmp_check): Use INSN_P.
7371 Fri Aug 4 11:43:49 2000 John Wehle (john@feith.com)
7373 * combine.c (recog_for_combine): Remove the old notes
7374 prior to attempting to recognize the new pattern.
7375 (distribute_notes): Ignore REG_NONNEG notes.
7377 2000-08-04 Chandrakala Chavva <cchavva@redhat.com>
7379 * varasm.c (output_constructor): Add .align 0 for packed vars.
7381 2000-08-04 J. David Anglin <dave@hiauly1.hia.nrc.ca>
7383 * configure.in: Use default thread_file even when enable_threads is
7384 yes or dce because hpux10.20 pa port uses MULTILIB implementation.
7385 * configure: Rebuilt.
7387 * gthr-dce.h (__gthread_objc_condition_allocate): Fix typo.
7389 2000-08-04 Donn Terry (donnte@microsoft.com)
7391 * prefix.c (translate_name): Don't strip trailing DIR_SEPARATOR.
7393 2000-08-04 Mark Elbrecht <snowball3@bigfoot.com>
7395 * i386/x-djgpp: Delete code that conditionally modifies target_alias.
7396 Delete code that conditionally modifies 'version'.
7397 Delete X_CPPFLAGS. Add comment for SYSTEM_HEADER_DIR.
7398 * i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): New macro.
7399 * gcc.c (main): Use it.
7400 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): New macro.
7401 * prefix.c (update_path): Use it.
7402 * i386/djgpp.h (STANDARD_INCLUDE_DIR): Define.
7403 (MD_EXEC_PREFIX): Set to '/dev/env/DJDIR/bin/'.
7404 (ASM_OUTPUT_SECTION_NAME): Add code attribute to sections containing
7406 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Default to true.
7407 (SUBTARGET_SWITCHES): Adjust.
7408 (WCHAR_UNSIGNED, WCHAR_TYPE_SIZE, WCHAR_TYPE): Undefine before
7410 (WINT_TYPE, SIZE_TYPE, PTRDIFF_TYPE): Define.
7412 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
7414 * c-common.h (flag_isoc94): Declare.
7415 * c-decl.c (flag_isoc94): Define.
7416 (c_decode_option): Set flag_isoc94 as appropriate.
7417 * c-common.c (T_PD, T_IM, T_UIM): Define.
7418 (format_char_info): Add tlen and jlen.
7419 (print_char_table): Add entries for %t and %j. Allow %zn. Allow
7421 (scan_char_table): Add entries for %t and %j. Allow %F. Allow
7423 (time_char_table): Add NULL entries for %t and %j.
7424 (check_format_info): Allow for %t and %j. Warn for %F if pedantic
7425 and not C99. Warn for %lc, %ls and %l[ if pedantic and not C94.
7426 Warn for printf %lf if pedantic and not C99. Don't warn for empty
7427 precision. Allow precision argument to be unsigned int. If
7428 pedantic, warn for %p passed an argument not a pointer to possibly
7429 qualified void or a possibly qualified character type, and for
7430 pointer targets of the wrong sign, except for character pointers.
7432 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
7434 * ginclude/stddef.h: Don't declare wint_t unless __need_wint_t.
7435 * c-common.h (enum c_tree_index): Add CTI_WINT_TYPE.
7436 (wint_type_node): Define.
7437 * c-decl.c (WINT_TYPE): Define.
7438 (init_decl_processing): Create the wint_type_node type.
7439 * c-common.c (T_WI): Define.
7440 (print_char_table): Use T_WI for %lc format.
7442 2000-08-04 Bruce Korb <bkorb@gnu.org>
7444 * fixinc/: Verified that the MSDOS patch does not break
7445 the UNIX functionality and applied the next three patches
7448 2000-07-28 Eli Zaretskii <eliz@is.elta.co.il>
7450 * fixinc/fixfixes.c (main) [__MSDOS__]: Avoid overwriting the
7451 output file with the temporary one by appending ".X" to generate
7452 the temporary fuile's name. If the output file already has an
7453 extension, replace it with ".X".
7455 * fixinc/fixincl.c (fix_with_system) [__MSDOS__]: Use $ORIGDIR,
7456 not $DESTDIR, to find applyfix. Use sprintf instead of snprintf;
7457 reallocate the command buffer while copying the command-line
7458 argument. Redirect the output directly to the temporary file,
7459 instead of going through another temporary file.
7460 (process): Close the temporary file before unlinking it.
7461 (machine_matches) [__MSDOS__]: If the machine doesn't match, set
7462 the FD_SKIP_TEST flag. Pay attention to the FD_MACH_IFNOT flag.
7463 (run_compiles): Pass p_fixd argument to machine_matches, as it
7466 * fixinc/fixincl.sh: Export ORIGDIR. If $DJDIR is set in the
7467 environment, assume there are no symlinks in the include
7468 directory. When cleaning up the DONE files, look for them
7469 case-insensitively. Don't try to remove symlinks if they aren't
7472 * fixinc/fixlib.c (make_raw_shell_str): Accept new argument smax;
7473 all callers changed. Declare pz "const char *", to avoid compiler
7476 * fixinc/fixlib.h (ENV_TABLE): Get ORIGDIR from the environment.
7477 Change prototype of make_raw_shell_str.
7479 2000-07-27 Eli Zaretskii <eliz@is.elta.co.il>
7481 * fixinc/fixincl.c [__MSDOS__]: Don't include "server.h".
7482 (initialize) [__MSDOS__]: Use tempnam.
7483 (initialize): Don't use SIGPIPE if it is not defined.
7485 * fixinc/fixfixes.c (main) [__MSDOS__]: freopen for stdout should
7488 2000-07-25 Bruce Korb <bkorb@gnu.org>
7490 * fixinc/fix*.[ch]: substantially reworked to make it possible
7491 to run this program without using fork(2) or pipe(2) (i.e. in
7494 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
7496 * cppdefault.h (WINT_TYPE): Define.
7497 * cppinit.c (builtin_array): Define __WINT_TYPE__.
7498 * tradcpp.c (initialize_builtins): Define __WINT_TYPE__.
7499 * tm.texi (NO_BUILTIN_WINT_TYPE, WINT_TYPE): Document.
7501 Fri Aug 4 06:53:46 2000 Clinton Popetz <cpopetz@cygnus.com>
7503 * (mips_legitimate_address_p): Don't allow register+offset
7504 if the offset is large and negative, and we are compiling
7505 for 64 bit registers.
7507 2000-08-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7509 * gencodes.c (main): Define CODE_FOR_nothing as the last possible
7510 insn_code_number + 1.
7512 2000-08-04 Kazu Hirata <kazu@hxi.com>
7514 * h8300.c (function_prologue): Rearrange code for conciseness.
7515 (function_epilogue): Likewise.
7516 * h8300.h (OK_FOR_U): Fix formatting.
7518 * cse.c: Fix a comment typo. Fix formatting.
7520 2000-08-03 Richard Henderson <rth@cygnus.com>
7522 * config/i386/i386.md (return_indirect_internal): New.
7523 * config/i386/i386.c (ix86_expand_epilogue): Use it.
7525 2000-08-03 Zack Weinberg <zack@wolery.cumb.org>
7527 * cpplex.c (parse_name): Might have to glue a CPP_OTHER token
7529 (lex_line): Glue @ onto the beginning of identifiers and
7530 string constants, in Objective-C mode.
7531 (output_token, spell_token): Handle CPP_OSTRING.
7532 (can_paste, maybe_paste_with_next): Handle pasting @ onto the
7533 beginning of a NAME or a STRING, in objc mode.
7535 * cpplib.c (get_define_node): Do not permit identifiers that
7536 begin with @ to be #defined.
7537 * cppmacro.c (CAN_PASTE_AFTER): Add CPP_OTHER.
7538 * cpplib.h (TTYPE_TABLE): Add CPP_OSTRING.
7540 * c-lang.c, objc/objc-act.c (build_objc_string): Delete.
7541 * c-tree.h (build_objc_string): Delete prototype.
7542 * objc/objc-tree.def: Delete OBJC_STRING_CST.
7543 * c-lex.c (yylex): Use build_string for all three kinds of strings.
7545 * c-parse.in, objc/objc-act.c: Update commentary.
7547 2000-08-03 Mark Mitchell <mark@codesourcery.com>
7549 * extend.texi: Fix typo in last change.
7551 * extend.texi: Add commentary on statement-expressions and their
7552 interactions with C++.
7554 2000-08-03 Nick Clifton <nickc@cygnus.com>
7556 * dwarf2.h (DW_LANG_Java): Change value to 0x000b.
7557 * dwarf.h (LANG_JAVA): Change value to 0x000b.
7559 2000-08-03 Anthony Green <green@cygnus.com>
7561 * dwarf2out.c (gen_compile_unit_die): Add java language support.
7562 (add_bound_info): Check for java language.
7563 (is_java): New function.
7564 * dwarfout.c (output_compile_unit_die): Ditto.
7565 * dwarf.h (dwarf_source_language): Add java source language type.
7566 * dwarf2.h (dwarf_source_language): Ditto.
7568 Thu Aug 3 20:32:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
7570 * reg-stack.c (subst_stack_regs_pat): Use replace_reg to swap
7573 * i386.c (ix86_expand_branch): Mode of comparison in
7574 IF_THEN_ELSE is VOIDmode.
7576 Thu Aug 3 10:05:53 2000 Akiko Matsushita <matusita@sra.co.jp>
7578 * gengenrtl.c, rtl.c: Avoid #elif.
7580 2000-08-03 Michael Poole <poole@troilus.org>
7582 * tm.texi (Register Classes): Clarify order of sub-initializers
7583 in REG_CLASS_CONTENTS.
7585 Thu Aug 3 15:53:03 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7587 From SAITOH Masanobu:
7588 * sh.h (ASM_OUTPUT_REG_PUSH): Fix syntax.
7590 2000-08-03 David Billinghurst <David.Billinghurst@riotinto.com.au>
7592 * config/i386/cygwin.h: Remove -remap from CPP_SPEC since this option
7593 is not supported by tradcpp and isn't actually needed for cygwin.
7595 2000-08-03 Kazu Hirata <kazu@hxi.com>
7597 * h8300.c: Fix a comment typo.
7598 * h8300.h (OK_FOR_U): Accept a 32-bit constant address on H8/S.
7600 * jump.c: Fix formatting.
7602 * toplev.c: Fix formatting.
7604 Thu Aug 3 01:05:32 2000 Jeffrey A Law (law@cygnus.com)
7606 * flow.c (find_auto_inc): Verify that we've got a REG before
7607 peeking at its regno. Fail, don't abort if we can't find
7608 the increment of the desired register.
7610 * pa.md (shadd height reduction patterns/splitters): Remove.
7612 2000-08-02 Jim Wilson <wilson@cygnus.com>
7614 * config/ia64/ia64-protos.h (flag_ssa): Declare.
7615 * config/ia64/ia64.md (movti_internal, movti_internal+1): New.
7617 2000-08-02 Mark Mitchell <mark@codesourcery.com>
7619 * dce.c: Remove all uses of assert.
7620 * dwarf2out.c: Likewise.
7621 * dwarfout.c: Likewise.
7624 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
7626 * gcc.h (lang_specific_driver): Constify second argument.
7627 * gcc.c (translate_options, process_command, main): Likewise.
7628 Constify variables to match. Cast second argument to
7631 * cppspec.c, gccspec.c: Adjust type of second argument to
7632 lang_specific_driver, and update code as necessary.
7634 2000-08-02 Jakub Jelinek <jakub@redhat.com>
7636 * loop.c (scan_loop): Ensure update_end label does not
7637 go away until reg_scan_update is run.
7639 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
7641 * c-common.h: Prototype min_precision and c_build_qualified_type here...
7642 * c-tree.h: ... not here.
7643 * errors.h: Prototype fancy_abort.
7645 * emit-rtl.c (gen_lowpart_common): Move variable 'c' into
7646 HOST_BITS_PER_WIDE_INT == 64 ifdef block.
7647 * regrename.c (regrename_optimize): Make control flow explicit.
7648 (replace_reg_in_block): Initialize reg_use to 0.
7650 * i386.c (legitimate_address_p): Rename error label to
7651 report_error to avoid namespace clash.
7653 2000-08-02 Kazu Hirata <kazu@hxi.com>
7655 * fold-const.c: Fix formatting.
7657 Wed Aug 2 16:26:15 MET DST 2000 Jan Hubicka <jh@suse.cz>
7659 * i386.c (legitimate_address_p): Accept other bases than
7660 pic_offset_table_rtx for GOTOFF constructs.
7662 Wed Aug 2 15:59:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
7664 * i386.md (shift to lea splitter): Use const_int_operand.
7666 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
7668 * cppexp.c, cppinit.c, cpplex.c, cpplib.c, cppmacro.c,
7669 cppspec.c: Do not use 'legal' or 'illegal' in error messages
7672 * cppmain.c (cb_define, cb_undef): Don't generate any output
7673 if not done_initializing.
7674 * cpplex.c (maybe_paste_with_next): When the token after a ##
7675 is an omitted rest argument, only delete the token before it
7676 if that token is a comma. Do not warn about bogus token
7677 pastes for , ## rest_arg.
7680 * cpp.1: Regenerate.
7682 2000-08-02 Fred Fish <fnf@be.com>
7684 * config/i386/beos-elf.h (STARTFILE_SPEC): Add i386-mcount.o
7685 when user gives -p option. Add init_term_dyn.o for BeOS 5.0
7688 * config/i386/beos-elf.h (INCLUDE_DEFAULTS): Add additional
7689 Be directories to search path.
7691 Remove support for __declspec(dllimport) and __declspec(dllexport).
7692 This is leftover cruft from the earlier BeOS gcc port when BeOS
7693 used Microsoft's PE object file format.
7694 * configure.in (i*86-*-beoself): Remove extra_objs=winnt.o.
7695 * config/i386/t-beos (winnt.o): Remove Makefile frag.
7696 * config/i386/beos-elf.h (TARGET_NOP_FUN_DLLIMPORT): Remove.
7697 (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
7698 (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
7699 (MERGE_MACHINE_DECL_ATTRIBUTES): Remove.
7700 (REDO_SECTION_INFO_P): Remove.
7701 (ASM_EXPORT_DECL): Remove.
7702 (ASM_DECLARE_FUNCTION_NAME): Remove.
7703 (ASM_DECLARE_OBJECT_NAME): Remove.
7704 (ASM_OUTPUT_ALIGNED_COMMON): Remove.
7705 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Remove.
7706 (ASM_OUTPUT_ALIGNED_LOCAL): Remove.
7707 (STRIP_NAME_ENCODING): Remove.
7709 Remove support for obsolete version of BeOS that is no longer
7711 * configure.in (i*86-*-beospe*): Remove.
7712 * config/i386/beos-pe.h: Remove.
7714 2000-08-01 Jeffrey Oldham <oldham@codesourcery.com>
7715 Mark Mitchell <mark@codesourcery.com>
7717 * Makefile.in (OBJS): Added dce.o.
7718 (ssa.o): Updated target to include ssa.h.
7720 (toplev.o): Likewise.
7721 (dce.o): Created target.
7722 * basic-block.h: Added comments.
7723 (INVALID_BLOCK): Added definition.
7724 (connect_infinite_loops_to_exit): Added declaration.
7725 Moved SSA declarations to ssa.h.
7726 * flow.c: Added inclusion of ssa.h.
7727 (struct depth_first_search_dsS, depth_first_search_ds):
7729 (compute_immediate_postdominators): Added definition.
7730 (connect_infinite_loops_to_exit): Likewise.
7731 (flow_dfs_compute_reverse_init): Likewise.
7732 (flow_dfs_compute_reverse_add_bb): Likewise.
7733 (flow_dfs_compute_reverse_execute): Likewise.
7734 (flow_dfs_compute_reverse_finish): Likewise.
7735 * rtl.h (rtx/in_struct): Added use to determine insn necessity.
7736 (LABEL_P): Added definition.
7739 (BARRIER_P): Likewise.
7740 (JUMP_TABLE_DATA_P): Likewise.
7741 (INSN_DEAD_CODE_P): Likewise.
7742 * ssa.c: Replaced inclusions with ssa.h inclusion.
7743 (CONVERT_HARD_REGISTER_TO_SSA_P): Moved to ssa.h.
7744 (rename_registers): Removed unnecessary variables.
7745 * ssa.h: Created by moving declarations from ssa.c and
7747 * timevar.def: Defined TV_DEAD_CODE_ELIM.
7748 * toplev.c: Added ssa.h inclusion.
7749 (dump_file_index): Added DFI_dce.
7750 (dump_file): Added "dce" entry.
7752 (f_options): Added dce entry.
7753 * invoke.texi: Document -fdce. Emphasize experimental status of
7757 2000-08-01 Zack Weinberg <zack@wolery.cumb.org>
7759 * cpperror.c (v_message): Split into _cpp_begin_message and
7760 v_message macro. All callers updated.
7761 (_cpp_begin_message): Do inhibit_errors/inhibit_warnings
7764 * cppfiles.c (cpp_syshdr_flags): New function.
7765 (read_include_file): Don't call cpp_output_tokens. Call
7767 * cppinit.c (dump_macros_helper): Moved to cppmain.c.
7768 (cpp_reader_init): Don't initialize token_buffer. Call
7769 _cpp_init_internal_pragmas.
7770 (cpp_cleanup): Don't clear token_buffer.
7771 (cpp_start_read): Don't worry about output from -D processing.
7772 Don't call cpp_output_tokens.
7773 (cpp_finish): Don't dump macros here. Don't call
7775 * cppmacro.c (_cpp_dump_definition): Rename
7776 cpp_dump_definition. Write directly to a FILE *.
7777 (dump_funlike_macro): Delete.
7778 (dump_macro_args): New.
7780 * cpplex.c (TOKEN_LEN): Convert to inline function.
7781 (_cpp_grow_token_buffer, safe_fwrite, cpp_output_tokens,
7782 cpp_scan_line, _cpp_dump_list): Delete.
7783 (cpp_printf, cpp_output_list): New.
7784 (output_line_command): Don't worry about entering or leaving files.
7785 (cpp_scan_buffer): Just output each token as we hit it.
7786 (process_directive): Don't call cpp_output_tokens.
7787 (_cpp_glue_header_name): Don't use token_buffer.
7788 (output_token, dump_param_spelling): Write directly to a FILE *.
7790 * cpplib.c (pass_thru_directive, dump_macro_name,
7791 pragma_dispatch, do_pragma_gcc): Delete.
7792 (do_define, do_undef, parse_include, do_line, do_ident, do_pragma,
7793 do_pragma_poison, cpp_pop_buffer): Call the appropriate hook
7795 (do_error, do_warning, pragma_dependency): Call
7796 _cpp_begin_message, then cpp_output_list.
7797 (cpp_register_pragma, cpp_register_pragma_space,
7798 _cpp_init_internal_pragmas): New.
7799 (do_pragma): Walk the pragmas table here.
7800 (do_pragma_once, do_pragma_poison, do_pragma_system_header,
7801 do_pragma_dependency): Return void.
7802 (do_pragma_implementation): Moved to cppmain.c.
7804 * cpplib.h: Update prototypes.
7805 (struct cpp_reader): Remove printer, token_buffer,
7806 token_buffer_size, and limit. Add struct cb, and pragmas.
7807 (struct cpp_printer): Remove last_id and written.
7808 (CPP_WRITTEN, CPP_PWRITTEN, CPP_SET_WRITTEN,
7809 CPP_ADJUST_WRITTEN): Delete.
7810 * cpphash.h: Update prototypes.
7811 (ufputs): New wrapper.
7813 * cppmain.c (cb_define, cb_undef, cb_include, cb_ident,
7814 cb_enter_file, cb_leave_file, cb_def_pragma): New functions.
7815 (main): Set up callbacks. Register #pragma implementation.
7816 Dump macros from here.
7818 2000-08-01 Geoff Keating <geoffk@cygnus.com>
7820 * rtl.h (enum reg_note): Add REG_MAYBE_DEAD.
7821 * rtl.c (reg_note_name): Add REG_MAYBE_DEAD.
7822 * flow.c (propagate_one_insn): Allow deletion of prologue/epilogue
7823 insns if they have a REG_MAYBE_DEAD note attached.
7824 * config/rs6000/rs6000.c (rs6000_maybe_dead): New function.
7825 (rs6000_emit_load_toc_table): TOC loads may go dead.
7827 2000-08-01 Jim Wilson <wilson@cygnus.com>
7829 * config/ia64/ia64.c (ia64_function_arg): Fix last change. Verify
7830 type exists before using it. Use number of words as alignment
7832 (ia64_function_arg_partial_nregs, ia64_function_arg_advance,
7833 ia64_va_arg): Propagate ia64_function_args changes here.
7835 2000-08-01 Richard Henderson <rth@cygnus.com>
7837 * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Care for null DECL.
7838 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
7840 2000-08-01 Bernd Schmidt <bernds@cygnus.co.uk>
7842 From Joern Rennecke:
7843 * sh.h (CPP_SPEC, TARGET_SWITCHES): Add m4-nofpu.
7844 * sh.md (udivsi3, divsi3): Don't use libcalls that use the FPU
7845 unless TARGET_SH3E is set.
7846 * t-sh (MULTILIB_MATCHES): Add m2=m4-nofpu.
7848 * sh.md (ashlsi3_d, ashlsi3_k): Remove, replace with
7849 (ashlsi3_std): New pattern.
7850 (ashlsi3 expander): Use it for TARGET_SH3.
7851 * sh.c (gen_ashift): Use it instead of ashlsi3_k.
7853 Tue Aug 1 12:34:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
7855 * loop.c (canonicalize_condition): Use destination, not source to
7856 determine SET's mode.
7858 2000-07-31 Mark Mitchell <mark@codesourcery.com>
7860 * flow.c (clear_log_links): Fix typo.
7862 Mon Jul 31 22:19:24 2000 Jeffrey A Law (law@cygnus.com)
7864 * loop.c (check_dbra_loop): Make change from July 17, 2000 work
7865 on targets which need more than one insn for a compare/cbranch
7868 2000-07-31 Jim Wilson <wilson@cygnus.com>
7870 * config/ia64/ia64.c (ia64_function_arg): Use alignment not size
7871 when computing offset.
7873 Mon Jul 31 20:35:50 2000 Denis Chertykov <denisc@overta.ru>
7875 * genpeep.c (main): Handle DEFINE_PEEPHOLE2.
7877 2000-07-31 Geoff Keating <geoffk@cygnus.com>
7879 * flow.c (clear_log_links): Nuke global_live_at_start and
7880 global_live_at_end data, since if the log_links stuff is invalid
7881 so is global_live_at_*.
7883 2000-07-31 Richard Henderson <rth@cygnus.com>
7885 * tm.texi (Addressing Modes): Clarify PRE/POST_MODIFY descriptions.
7887 2000-07-31 Jakub Jelinek <jakub@redhat.com>
7889 * cpplex.c (_cpp_get_line): If index is 0, return line 0 col 0.
7890 (_cpp_get_token): Don't macro expand a just pasted token if it
7891 was pasted at no_expand_level.
7893 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
7895 * cppmacro.c (find_param, count_params, save_expansion):
7896 Permit 'defined' as a macro parameter name.
7898 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
7900 * Makefile.in: Rename cpp to cpp0, tradcpp to tradcpp0, and
7901 xcpp to cpp throughout.
7902 (native): Remove unnecessary dependency on cpp.
7904 * gcc.c (trad_capable_cpp, C specs): Rename cpp to cpp,
7905 tradcpp to tradcpp0.
7906 (.i spec): Add missing output-file spec to cc1 command line.
7907 * objc/lang-specs.h: Rename cpp to cpp0 and/or tradcpp to tradcpp0.
7909 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
7911 * c-decl.c (mesg_implicit_function_declaration): Init to -1.
7912 (implicit_decl_warning): New function.
7913 (implicitly_declare): Use it.
7914 * c-typeck.c (build_external_ref): Use implicit_decl_warning
7915 to complain about implicit decls of builtins.
7917 * c-lang.c (lang_init): Set mesg_implicit_function_declaration
7918 based on pedantic && flag_isoc99, if not already set.
7919 * c-tree.h: Declare mesg_implicit_function_declaration.
7920 Prototype implicit_decl_warning.
7922 2000-07-30 Jeffrey D. Oldham <oldham@codesourcery.com>
7924 * Makefile.in (ssa.o): Updated header files in dependences.
7925 * basic-block.h: Added compute_immediate_postdominators declaration.
7926 * config/i386/i386.h (CONVERT_HARD_REGISTER_TO_SSA_P): Added
7928 * flow.c (compute_immediate_dominators): Updated comment.
7929 (compute_immediate_postdominators): Added definition.
7930 * rtl.h (HARD_REGISTER_P): Added definition.
7931 * ssa.c: Include additional header files.
7932 (assert): Added definition.
7933 (ssa_rename_to_lookup): Added to reimplement ssa_rename_to to
7934 include select hard registers.
7935 (ssa_rename_to_insert): Likewise.
7936 (ssa_rename_from_initialize): Likewise.
7937 (ssa_rename_from_lookup): Likewise.
7938 (original_register): Likewise.
7939 (ssa_rename_from_insert): Added to reimplement ssa_rename_from to
7940 include select hard reigsters.
7941 (ssa_rename_from_traverse): Likewise.
7942 (ssa_rename_from_free): Likewise.
7943 (ssa_rename_from_print): Likewise.
7944 (ssa_rename_from_print_1): Likewise.
7945 (ssa_rename_from_hash_function): Likewise.
7946 (ssa_rename_from_equal): Likewise.
7947 (ssa_rename_from_delete): Likewise.
7948 (simplify_to_immediate_dominators): Removed in favor of
7949 flow.c:compute_immediate_dominators.
7950 (find_evaluations_1): Modified to work with hard registers.
7951 (insert_phi_node): Likewise.
7952 (insert_phi_nodes): Likewise.
7953 (struct rename_set_data): Updated prev_reg comment.
7954 (create_delayed_rename): Modified to work with hard registers.
7955 (RENAME_NO_RTX): Updated comment.
7956 (apply_delayed_renames): Modified to work with hard registers.
7957 (rename_insn_1): Likewise and added handling of CLOBBER rtls.
7958 (rename_block): Updated to use revised ssa_rename_to interface.
7959 (rename_registers): Updated to use revised ssa_rename_to and
7960 ssa_rename_from interface.
7961 (convert_to_ssa): Revised to use compute_immediate_dominators and
7962 deal with hard registers.
7963 (make_regs_equivalent_over_bad_edges): Modified to work with hard
7964 registers. Added check for illegal unification of hard register.
7965 (make_equivalent_phi_alternatives_equivalent): Modified to work
7966 with hard registers.
7967 (compute_conservative_reg_partition): Likewise.
7968 (coalesce_if_unconflicting): Modified to work with hard registers
7969 and check for conflicting hard registers.
7970 (mark_phi_and_copy_regs): Revised loop to work only on pseudo
7972 (rename_equivalent_regs_in_insn): Modified to work with hard
7974 (record_canonical_element_1): Added definition.
7975 (check_hard_regs_in_partition): Added definition.
7976 (convert_from_ssa): Added data structure deallocation and check
7977 for illegal hard register unification.
7978 (conflict_hard_regs_p): Added definition.
7979 * toplev.c (rest_of_compilation): Added comment.
7981 2000-07-31 Anthony Green <green@redhat.com>
7983 * config/ia64/crtbegin.asm (__EH_FRAME_BEGIN__): Align correctly.
7985 2000-07-31 Jason McMullan <jmcmullan@linuxcare.com>
7987 * builtins.c (expand_builtin_apply): Don't defer pop during
7990 2000-07-31 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7992 * calls.c (combine_pending_stack_adjustment_and_call): Only use
7993 preferred_unit_stack_boundary when it is > 1.
7995 2000-07-31 Joseph S. Myers <jsm28@cam.ac.uk>
7997 * c-common.c (init_function_format_info): Add C99 format functions
8000 * c-decl.c (get_parm_info): Don't treat 'const void', 'volatile
8001 void' or 'register void' as being the special case of 'void' alone
8002 in a parameter list.
8004 * c-typeck.c (build_c_cast): Change -Wcast-qual pedwarn for
8005 discarding qualifiers into a plain warning.
8007 2000-07-31 Kazu Hirata <kazu@hxi.com>
8009 * combine.c: Fix formatting.
8011 * h8300.md: Fix formatting.
8013 * local-alloc.c: Fix formatting.
8015 * h8300.c (get_shift_alg): Remove the variable alg.
8016 (emit_a_shift): Rearrange code to improve readability.
8018 * h8300.md (movsi_h8300hs): Rearrange code to improve readability.
8020 * h8300.h (MODES_TIEABLE_P): Accept a combination of QImode and
8021 HImode on all architectures and a combination of HImode and SImode
8022 on H8/300H and H8/S.
8024 * h8300.c (split_adds_subs): Rearrange code for conciseness.
8026 Mon Jul 31 12:27:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
8028 * i386.md (addsi to lea splitter, ashlqi3_1_lea): Fix bugs
8031 Mon Jul 31 10:41:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
8033 * recog.c (extract_insn): Set operand_mode according to
8034 operand if match_operand is VOIDmode.
8036 Mon Jul 31 10:36:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
8038 * recog.c (validate_replace_rtx_1): Do not abort for (nil) expression.
8040 2000-07-31 Geoff Keating <geoffk@cygnus.com>
8042 * c-parse.in (extdefs): Call ggc_collect between external
8045 2000-07-30 Michael Hayes <mhayes@cygnus.com>
8046 Richard Henderson <rth@cygnus.com>
8048 * Makefile.in (OBJS): Add doloop.o.
8049 * doloop.c: New file.
8051 * final.c (insn_current_reference_address): Return 0 before final.
8052 * flags.h (flag_branch_on_count_reg): Fix typos in commentary.
8053 * jump.c (any_uncondjump_p): Likewise.
8054 * loop.c (indirect_jump_in_function): Make static.
8055 (strength_reduce): Call doloop_optimize.
8056 (insert_bct, instrument_loop_bct): Remove.
8057 * loop.h (doloop_optimize): Prototype.
8058 * recog.c (split_all_insns): Split all INSN_P.
8059 * toplev.c (flag_branch_on_count_reg): Default on.
8061 * config/c4x/c4x.c (c4x_optimization_options): Don't set
8062 flag_branch_on_count_reg.
8063 * config/i386/i386.c (override_options): Likewise.
8064 * config/rs6000/rs6000.c (optimization_options): Likewise.
8066 * config/i386/i386.md (decrement_and_branch_on_count): Remove.
8068 (dbra_ge): Remove, as well as all it's splitters.
8070 * config/rs6000/rs6000.md (decrement_and_branch_on_count): Remove.
8073 * config/ia64/ia64-protos.h (ar_lc_reg_operand): Declare.
8074 (ia64_register_move_cost): Declare.
8075 * config/ia64/ia64.c (ar_lc_reg_operand): New.
8076 (struct ia64_frame_info): Add ar_size.
8077 (ia64_compute_frame_size): Set it.
8078 (save_restore_insns): Save and restore ar.lc.
8079 (ia64_register_move_cost): New, moved from header file. Handle
8080 application registers.
8081 (REG_AR_PFS, REG_AR_EC): Remove. Replace with AR_*_REGNUM numbers.
8082 (emit_insn_group_barriers): Special case doloop_end_internal.
8083 (ia64_epilogue_uses): Mark ar.lc live at end.
8084 * config/ia64/ia64.h (AR_CCV_REGNUM, AR_LC_REGNUM): New registers.
8085 (AR_EC_REGNUM, AR_PFS_REGNUM): New registers.
8086 (FIRST_PSEUDO_REGISTER): Make room.
8087 (AR_M_REGNO_P, AR_I_REGNO_P, AR_REGNO_P): New.
8088 (FIXED_REGISTERS, CALL_USED_REGISTERS): Update.
8089 (REG_ALLOC_ORDER): Update.
8090 (HARD_REGNO_MODE_OK): Update.
8091 (REGISTER_NAMES): Update.
8092 (enum reg_class): Add AR_M_REGS and AR_I_REGS.
8093 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
8094 (REGNO_REG_CLASS): Update.
8095 (LEGITIMATE_ADDRESS_DISP): Displacement range is 9 bits, not 10.
8096 (REGISTER_MOVE_COST): Move out of line.
8097 (PREDICATE_CODES): Update.
8098 * config/ia64/ia64.md (movdi patterns): Handle ar register classes.
8099 (addsi3_plus1_alt, adddi3_plus1_alt): New.
8100 (shladd_elim splitter): Allow constants in the predicate.
8101 (doloop_end, doloop_end_internal): New.
8103 2000-07-30 Richard Henderson <rth@cygnus.com>
8105 * genattrtab.c (struct insn_def): Add lineno member.
8106 (struct insn_ent): Likewise.
8107 (struct attr_desc): Likewise.
8108 (struct delay_desc): Likewise.
8109 (struct function_unit_op): Likewise.
8110 (struct function_unit): Likewise.
8111 (check_attr_value): Use message_with_line.
8112 (check_defs): Likewise.
8113 (expand_units): Likewise.
8114 (check_attr_test): Take a lineno argument.
8115 (gen_attr): Likewise.
8116 (gen_insn): Likewise.
8117 (gen_delay): Likewise.
8118 (gen_unit): Likewise.
8119 (main): Give it to them.
8120 (convert_set_attr_alternative): Take an insn_def argument
8121 instead of num_alt and insn_index.
8122 (convert_set_attr): Likewise.
8123 (write_test_expr): Protect INSN_ADDRESSES load
8124 with INSN_ADDRESSES_SET_P.
8126 2000-07-30 Richard Henderson <rth@cygnus.com>
8128 * flow.c (init_propagate_block_info): Use pc_set.
8130 Sun Jul 30 20:58:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
8132 * i386.md (*lea_general_[123]) New insns and splits.
8133 (addsi3 to lea splitter): Handle other modes too.
8134 (shlsi3 to lea splitter): Likewise.
8135 (addhi_1_lea, shlhi_1_lea): New patterns.
8136 (addhi_1, shlhi_1): Conditionize by PARTIAL_REG_STALL.
8138 Sun Jul 30 20:51:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
8140 * recog.c (general_operand, nonimmediate_operand): Accept
8141 any mode for VOIDmode CONSTANT_P operands.
8143 Sun Jul 30 20:42:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
8145 * gcse.c (try_replace_reg): Use validate_replace_rtx_subexp
8146 instead of replace_rtx.
8147 * recog.c (validate_replace_rtx_subexp): New function.
8148 * recog.h (validate_replace_rtx_subexp): Declare.
8150 Sun Jul 30 20:38:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
8152 * combine.c (simplify_set, make_extraction, make_compound_operation
8153 make_field_assignment): Use full mask instead of GET_MODE_MASK (mode)
8154 as force_to_mode argument.
8156 Sun Jul 30 20:30:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
8158 * combine.c (if_then_else_cond): Be sure that mode fits in
8161 Sun Jul 30 20:27:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
8163 * combine.c (record_promoted_value): Allow bitsize of mode
8164 to be equivalent to HOST_BITS_PER_WISE_INT.
8166 Sun Jul 30 20:25:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
8168 * function.c (assign_stack_local_1, assign_stack_temp_for_type):
8169 Do not call gen_mode_alignment when mode is BLKmode.
8171 Sun Jul 30 20:21:54 MET DST 2000 Jan Hubicka <jh@suse.cz>
8173 * loop.c (express_from_1): Fix call of simplify_gen_binary.
8175 Sun Jul 30 20:08:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
8177 * simplify-rtx.c (simplify_relational_operation): Verify that mode ==
8178 VOIDmode implies both operands to be VOIDmode.
8179 (simplify_ternary_operation): Compute properly the mode of comparison.
8180 * combine.c (combine_simplify_rtx): Likewise.
8182 2000-07-25 Michael Hayes <mph@paradise.net.nz>
8184 * basic-block.h (struct loops): New field rc_order.
8185 * flow.c (flow_loops_cfg_dump): Dump rc_order if computed.
8186 (flow_loops_free): Free rc_order.
8187 (flow_depth_first_order_compute): New parameter rc_order.
8188 (flow_loops_find): Allocate rc_order and swap usage with
8191 2000-07-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8192 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8194 * config/c4x/c4x.md (set_ldp_prologue): Add for RTL prologue/epilogue.
8195 (push_st, push_dp, pop_st, pop_dp, popqi_unspec): Likewise.
8196 (nodb_call, return_from_epilogue): Likewise.
8197 (return_from_interrupt_epilogue, prologue, epilogue): Likewise.
8198 * config/c4x/c4x.c (c4x_expand_prologue, c4x_expand_eplilogue): Add.
8199 * config/c4x/c4x-protos.h (c4x_interrupt_function_p): Add.
8200 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
8201 (c4x_valid_type_attribute_p): Likewise.
8202 * config/c4x/c4x.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Delete.
8203 (FUNCTION_BLOCK_PROFILER_EXIT): Convert to emit RTL.
8205 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8207 * config/c4x/c4x.c (c4x_emit_move_sequence): Use loadqi_big_constant
8208 and loadhi_big_constant if applicable.
8209 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant): Tweak
8210 and add new splitter.s
8212 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8214 * config/c4x/c4x.c (c4x_rptb_insert): Make more robust.
8216 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8218 * config/c4x/c4x.h (ASM_FORMAT_PRIVATE_NAME): Output $ in label.
8220 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8222 * config/c4x/c4x.h (IS_XXX_REGNO): Rewrite to avoid unsigned warnings.
8224 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8226 * config/c4x/libgcc.S (divqf3): Improve accuracy.
8228 2000-07-27 Mark Mitchell <mark@codesourcery.com>
8230 Put phi nodes after NOTE_INSN_BASIC_BLOCK.
8231 * rtl.h (NOTE_INSN_BASIC_BLOCK_P): New macro.
8232 * bb-reorder.c (get_next_bb_note): Use NOTE_INSN_BASIC_BLOCK_P.
8233 (get_prev_bb_note): Likewise.
8234 (remove_scope_notes): Likewise.
8235 * flow.c (commit_one_edge_insertion): Likewise.
8236 (merge_blocks_nomove): Likewise.
8237 (verify_flow_info): Likewise.
8238 * gcse.c (insert_insn_end_bb): Likewise.
8239 * reg-stack.c (emit_swap_insn): Likewise.
8240 * ssa.c (first_insn_after_basic_block_note): New function.
8241 (insert_phi_node): Use it.
8242 (rename_block): Likewise.
8243 (eliminate_phi): Likewise.
8244 (make_regs_equivalent_over_bad_edges): Likewise.
8245 (make_equivalent_phi_alternatives_equivalent): Likewise.
8246 (for_each_successor_phi): Likewise.
8247 (convert_from_ssa): Modify phi-node deletion algorithm.
8249 2000-07-29 Andreas Jaeger <aj@suse.de>
8251 * configure.in (mips*-*-linux*): Use mips*el to check for little
8252 endian MIPS, add tmake_file.
8254 * config/mips/linux.h (TARGET_VERSION): Use GNU/Linux.
8255 (SUBTARGET_CPP_SPEC): Default MIPS_ISA is 1.
8256 Patches by Maciej W. Rozycki <macro@ds2.pg.gda.pl>.
8258 2000-07-28 Richard Henderson <rth@cygnus.com>
8260 * config/ia64/ia64.c (ia64_print_operand): Fix typos.
8261 Sign extend mode size before negating.
8263 2000-07-28 Richard Henderson <rth@cygnus.com>
8265 * emit-rtl.c (gen_lowpart_common): Add missing 'c' variable.
8267 2000-07-28 Bernd Schmidt <bernds@cygnus.co.uk>
8269 * cse.c (canon_hash): Handle PRE_MODIFY/POST_MODIFY.
8270 (cse_insn): Likewise.
8271 (addr_affects_sp_p): Likewise.
8272 * expr.c (move_by_pieces): Likewise.
8273 (clear_by_pieces): Likewise.
8274 * gcse.c (oprs_unchanged_p): Likewise.
8275 * haifa-sched.c (sched_analyze_2): Likewise.
8276 * recog.c (offsettable_address_p): Likewise.
8277 * regclass.c (record_address_regs): Likewise.
8278 * reload.c (find_reusable_reload): Likewise.
8279 (push_reload): Likewise.
8280 (operands_match_p): Likewise.
8281 (decompose): Likewise.
8282 (find_reloads_address_1): Likewise.
8283 (find_inc_amount): Likewise.
8284 * reload1.c (elimination_effects): Likewise.
8285 * resource.c (mark_set_resources): Likewise.
8286 * flow.c (attempt_auto_inc): New function; mostly broken out
8288 (find_auto_inc): Split into two functions and enhanced to
8289 generate POST_MODIFY.
8290 * rtl.def (PRE_MODIFY, POST_MODIFY): Adjust comment.
8291 * rtl.h (count_all_occurrences): Declare.
8292 (HAVE_{PRE,POST}_MODIFY_{DISP,REG}): Provide default of 0 if not
8294 * rtlanal.c (count_all_occurrences): New function.
8295 * tm.texi (HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_DISP,
8296 HAVE_POST_MODIFY_REG, HAVE_PRE_MODIFY_REG): Document.
8298 * config/ia64/ia64-protos.h (destination_operand): Declare.
8299 * config/ia64/ia64.c (destination_operand): New function.
8300 (ia64_print_operand): Handle POST_MODIFY.
8301 (rtx_needs_barrier): Likewise.
8302 * config/ia64/ia64.h (HAVE_POST_MODIFY_DISP): Define to 1.
8303 (HAVE_POST_MODIFY_REG): Define to 1.
8304 (MAX_REGS_PER_ADDRESS): Change to 2.
8305 (GO_IF_LEGITIMATE_ADDRESS): Accept POST_MODIFY too.
8306 (LEGITIMATE_ADDRESS_REG): New helper macro.
8307 (LEGITIMATE_ADDRESS_DISP): Likewise.
8308 (PREDICATE_CODES): Add entry for destination_operand.
8309 * config/ia64/ia64.md (all mov patterns): Use destination_operand
8310 predicate for operand 0.
8312 2000-07-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8314 * dwarf2out.c: Indent #error directive.
8316 * gbl-ctors.h: Fix typo in comment.
8317 (__do_global_ctors): Prototype.
8319 * gcse.c (record_one_set, pre_delete): Remove unused variables.
8321 * rs6000.c (rs6000_maybe_dead): Delete unused prototype.
8322 (print_operand): Initialize variable `t'.
8324 2000-07-27 Aldy Hernandez <aldyh@redhat.com>
8326 * config/arm/arm.md ("call_value"): removed constraints.
8327 Constraints are ignored in expanders.
8328 (*call_value_reg): split =rf into various constraints.
8329 (*call_value_mem): same
8330 (*call_value_symbol): same
8331 (*sibcall_value_insn): same
8333 2000-07-28 Philipp Thomas <pthomas@suse.de>
8335 * install.texi (--enable-nls): Change the description of the NLS
8336 related configure options to match the current state.
8337 (--with-included-gettext): Likewise.
8338 (--enable-maintainer-mode): New description added.
8339 * extend.texi (-fstrict-prototype): Add missing '.'.
8341 2000-07-27 Jim Wilson <wilson@cygnus.com>
8343 * dwarf2out.c (gen_decl_die): Don't call gen_abstract_function if
8344 DECL_INITIAL (decl) == NULL_TREE.
8346 2000-07-27 Alexandre Oliva <aoliva@redhat.com>
8348 * Makefile.in (INSN_ATTR_H): New macro. Replace all dependencies
8349 on insn-attr.h with it.
8350 * genattr.c: Generate `#include "insn-addr.h"' if HAVE_ATTR_length.
8351 * insn-addr.h: New header.
8352 (insn_addresses_): Renamed from insn_addresses.
8353 (INSN_ADDRESSES_DEFN, INSN_ADDRESSES, INSN_ADDRESSES_ALLOC,
8354 INSN_ADDRESSES_FREE, INSN_ADDRESSES_SET_P, INSN_ADDRESSES_SIZE,
8355 INSN_ADDRESSES_NEW): New macros.
8356 * genattrtab.c (write_test_expr): Use new macros.
8357 * final.c (insn_addresses, init_insn_lengths): Likewise.
8358 (align_fuzz, shorten_branches): Likewise.
8359 (final): Likewise. Do not reject new insns if their addresses
8360 have been added to INSN_ADDRESSES.
8361 * config/arm/arm.c, config/avr/avr.c: Use new macros.
8362 * config/h8300/h8300.c, config/i370/i370.c: Likewise.
8363 * config/m88k/m88k.c, config/pa/pa.c, config/pa/pa.md: Likewise.
8364 * config/sparc/sparc.c, config/sparc/sparc.md: Likewise.
8365 * config/sh/sh.c: Likewise.
8366 (output_branchy_insn): Use INSN_ADDRESSES_NEW.
8368 * Makefile.in (bootstrap): Move -BstageN/ back to the beginning.
8370 2000-07-27 Andrew Cagney <cagney@b1.cygnus.com>
8372 * gcc.c (struct prefix_list): Add member priority.
8373 (enum path_prefix_priority): Declare.
8374 (add_prefix): Replace ``first'' with ``priority''. Append new
8375 entry but keep list in priority order.
8376 (process_command): Update. Pass PREFIX_PRIORITY_B_OPT or
8377 PREFIX_PRIORITY_LAST to add_prefix.
8378 (process_command): Move include kludge - foo/stageN - to before
8381 2000-07-27 Jason Merrill <jason@redhat.com>
8383 * dwarf2out.c (gen_typedef_die): Abort if we get identical
8384 TREE_TYPE and DECL_ORIGINAL_TYPE on a typedef.
8386 2000-07-27 RodneyBrown <RodneyBrown@pmsc.com>
8388 * expr.h (get_alias_set, lang_get_alias_set): Delete prototypes.
8389 * tree.h (get_alias_set, lang_get_alias_set): Prototype.
8391 2000-07-27 Joseph S. Myers <jsm28@cam.ac.uk>
8393 * c-decl.c (finish_function): Don't treat 'main' specially unless
8394 flag_hosted. In C99 mode, return 0 from 'main' unless
8395 DEFAULT_MAIN_RETURN is otherwise defined.
8397 * c-decl.c (store_parm_decls): In C99 mode, pedwarn for function
8398 parameters defaulting to int in an old-style function definition.
8400 2000-07-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8402 * c-parse.in (string): For -Wtraditional, warn about string
8403 concatenation only once per line.
8405 Thu Jul 27 09:25:17 2000 Akiko Matsushita <matusita@sra.co.jp>
8407 * pa/x-pa-hpux: Add -D_HIUX_SOURCE to FIXPROTO_DEFINES
8408 for HI-UX/WE2 systems.
8410 2000-07-24 Bruce Korb <bkorb@gnu.org>
8412 * fixincl/fixfixes.c(emit_gnu_type): rewrote to *rely* on GCC
8413 defining the __xxx_TYPE__ macros.
8414 * fixincl/fixincl.tpl(gnu_type_map): now obsolete
8415 * fixincl/fixlib.h: don't need to include "tm.h" anymore
8416 * fixincl/inclhack.def(type_map): now obsolete
8418 Thu Jul 27 11:54:17 2000 Andrew Cagney <cagney@b1.cygnus.com>
8420 * cpp.texi: Append a trailing full-stop to xrefs where needed.
8422 2000-07-26 Dave Pitts <dpitts@cozx.com>
8424 * i370.c: Remove LONGEXTERNAL ifdef from alias_number. Added hash
8426 (mvs_hash_alias): New function.
8427 (mvs_add_alias): Change argument spacing.
8428 (mvs_need_alias): Change aliasing criteria. Added documentation.
8429 (mvs_get_alias): Change to use hashed name. The hashed name prevents
8430 CSECT name collisions.
8431 (mvs_check_alias): Likewise.
8432 (handle_pragma): Change documentation.
8433 * i370.md (mulsi3, divsi3, udivsi3, modsi3, umodsi3): Changed gen_rtx
8434 mode from SImode to DImode.
8435 (iorhi3): Changed LTORG size for insn.
8437 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
8439 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
8440 mem if the address is a mode_dependent_address_p.
8442 2000-07-26 Kazu Hirata <kazu@hxi.com>
8444 * h8300.c (print_operand): Print ":8" when the 'R' operand is
8445 suitable for 8-bit absolute.
8446 * h8300.h (EIGHTBIT_CONSTANT_ADDRESS_P): New.
8447 (OK_FOR_U): Add a case for the 8-bit constant address on the
8450 Wed Jul 26 19:26:21 2000 Hans-Peter Nilsson <hp@axis.com>
8452 * varasm.c (assemble_variable) [! defined(ASM_OUTPUT_ALIGNED_COMMON)
8453 && ! defined (ASM_OUTPUT_ALIGNED_BSS]): Also test
8454 ! defined(ASM_OUTPUT_ALIGNED_DECL_COMMON) before complaining about
8455 lack of implemented alignment.
8457 2000-07-26 Geoffrey Keating <geoffk@cygnus.com>
8459 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETIC]: Handle
8460 cross-compiling between 64-bit and 32-bit machines.
8462 2000-07-27 Richard Henderson <rth@cygnus.com>
8464 * config/ia64/ia64.md (movqicc_astep, movqi_internal_astep): New.
8465 (movhicc_astep, movhi_internal_astep): New.
8466 (movsicc_astep, movsi_internal_astep): New.
8467 (movdicc_astep, movdi_internal_astep): New.
8468 (movsfcc_astep, movsf_internal_astep): New.
8469 (movdfcc_astep, movdf_internal_astep): New.
8470 (movxfcc_astep, movxf_internal_astep): New.
8471 (cmovdi_internal_astep, cmovsi_internal_astep): New.
8472 Unify the cmov[ds]i splitters.
8474 2000-07-27 Rodney Brown <RodneyBrown@pmsc.com>
8476 * real.c (asctoeg): Rename `error' label to unexpected_char_error
8478 2000-07-26 Nick Clifton <nickc@cygnus.com>
8480 * config/arm/vxarm.h (CPP_PREDEFINES): Remove definition of
8481 __arm__. Allow it to be defined by CPP_ISA_SPEC in arm.h
8483 * dwarf2out.c (dwarf2out_frame_debug_expr): Accept SEQUENCE as
8484 well as PARALLEL blocks in FRAME_RELATED_EXPR notes.
8486 2000-07-26 Alexandre Oliva <aoliva@redhat.com>
8488 * c-decl.c (finish_enum): Convert enumerations that fit in an
8490 (build_enumerator): In pedantic mode, cast to `int' those that
8493 2000-07-25 Rodney Brown <RodneyBrown@pmsc.com>
8495 * config/alpha/osf.h (SIZE_TYPE, PTRDIFF_TYPE): New.
8497 Tue Jul 25 23:08:33 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8499 * sh.md (cmpgtdi_t): Must be split.
8500 (cmpgtdi_t+1): New splitter.
8502 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
8504 * cpplib.c (_cpp_check_directive): Issue -Wtraditional
8505 warnings for indented directives even if we are skipping.
8507 2000-07-25 Nathan Sidwell <nathan@codesourcery.com>
8509 * invoke.texi (strict-prototypes): Remove.
8510 * extend.texi (Deprecated Features): Add strict-prototypes.
8511 (Backwards Compatibility): New node.
8513 2000-07-25 Jakub Jelinek <jakub@redhat.com>
8515 * config/i386/i386.md (andsi_1+1): Allow HImode.
8516 (andsi_1+2): Require q_regs_operand.
8518 2000-07-25 Jakub Jelinek <jakub@redhat.com>
8520 * config/i386/i386.md (call_pop): Check operands[0],
8521 not operands[1]. Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
8523 (call_value_pop): Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
8524 (call_value): Likewise.
8526 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
8528 * toplev.c (pipe_closed): Delete.
8529 (crash_signal): New. Generate ICE for a fatal signal.
8530 (float_signal): Call crash_signal outside a float-handler
8532 (main): Install crash_signal as handler for core-dumping signals.
8534 2000-07-25 David Edelsohn <edelsohn@gnu.org>
8536 * rs6000.c (print_operand, case 'T'): New case.
8538 * rs6000.md (call_indirect_aix32): Convert to expander of
8539 scheduled instructions.
8540 (call_indirect_aix64): Likewise.
8541 (call_value_indirect_aix{32,64}): Likewise.
8542 (call, call_value): Invoke expanders for AIX. Fall through to
8544 (call_indirect_nonlocal_aix{32,64}): New patterns (ctr and lr).
8545 (call_value_indirect_nonlocal_aix{32,64}): New patterns.
8546 (call_nonlocal_aix32): Remove CALL_LONG alternative. Operand 1
8547 only "g" constraint.
8548 (call_nonlocal_aix64): Likewise.
8549 (call_value_nonlocal_aix{32,64}): Likewise.
8550 (call_nonlocal_sysv): New pattern for ctr, lr, and symbolic
8552 (call_value_nonlocal_sysv): New pattern.
8553 (indirect_jump{si,di}): Use new 'T' modifier.
8554 (tablejump{si,di} matchers): Likewise.
8555 (return_internal_{si,di}): Likewise.
8556 (return_eh_{si,di}): Likewise.
8558 2000-07-24 Richard Henderson <rth@cygnus.com>
8560 * config/ia64/ia64.c (ia64_print_operand): Handle "%,".
8561 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): Likewise.
8562 * config/ia64/ia64.md (movdi_internal): Use it.
8564 2000-07-24 Zack Weinberg <zack@wolery.cumb.org>
8566 * cppexp.c: Warn about unary + if -Wtraditional.
8567 * cpplex.c (lex_line): Always set BOL on the first token of a line.
8569 2000-07-24 Michael Meissner <meissner@redhat.com>
8571 * d30v.h (FUNCTION_ARG_KEEP_AS_REFERENCE): Delete references to
8574 2000-07-24 Nick Clifton <nickc@cygnus.com>
8576 * config/arm/arm.c (emit_multi_reg_push): Generate a
8577 REG_FRAME_RELEATED_NOTE that is compatable with the code in
8578 dwarf2out_debug_frame_expr.
8580 2000-07-24 Jason Merrill <jason@redhat.com>
8582 * dwarf2out.c: Complain if DWARF2_DEBUGGING_INFO is defined without
8583 UNALIGNED_INT_ASM_OP.
8584 (def_cfa_1): Don't emit def_cfa_register or def_cfa_offset to adjust
8585 a location expression.
8586 (dwarf2out_frame_debug_expr): Lose cfa_old_reg stuff. Don't
8587 assume indirect access if we're saving the CFA address exactly.
8589 * Makefile.in (bootstrap): Move -BstageN/ to the end.
8591 2000-07-24 Jakub Jelinek <jakub@redhat.com>
8593 * tradcpp.c (main): Update max_include_len for cpp_include_defaults
8596 2000-07-24 Michael Meissner <meissner@redhat.com>
8598 * invoke.texi (D30V Options): Add d30v options.
8600 Mon Jul 24 02:04:52 2000 Jeffrey A Law (law@cygnus.com)
8602 * gcse.c (alloc_pre_mem): Do not alloc TRANSPOUT, it is not
8603 needed by our gcse pass anymore.
8604 (free_pre_mem): Corresponding changes.
8605 (compute_pre_data): Do not call compute_transpout anymore.
8607 * gcse.c (alloc_avail_expr_mem): Kill unused 'u_bitmap'.
8608 (free_avail_expr_mem, alloc_pre_mem, free_pre_mem): Corresponding
8611 * gcse.c (free_pre_mem): Do not free ANTLOC and AE_KILL here.
8612 (compute_pre_data): Do it here instead.
8614 * gcse.c (alloc_pre_mem, free_pre_mem): Delete unused bitmap
8616 (pre_delete): Corresponding changes.
8618 2000-07-23 Mark Mitchell <mark@codesourcery.com>
8620 * c-semantics.c (make_rtl_for_local_static): Use TREE_ASM_WRITTEN
8621 to figure out whether or not a variable has already been emitted.
8623 Sun Jul 23 14:49:12 2000 Jason Eckhardt <jle@cygnus.com>
8625 * config/i860/i860.md (untyped_call expander): Use GEN_CALL
8626 instead of gen_call.
8628 Sun Jul 23 11:52:03 2000 George Helffrich (george@gly.bris.ac.uk)
8630 * dbxout.c (dbxout_type, case COMPLEX_TYPE): Fix length field in stab.
8632 2000-07-23 Kazu Hirata <kazu@hxi.com>
8634 * h8300.c: Fix formatting.
8636 2000-07-23 Joseph S. Myers <jsm28@cam.ac.uk>
8638 * c-typeck.c (c_expand_start_case): Change -Wtraditional pedwarn
8639 for `long' switch expression into a plain warning.
8641 * c-lex.c (init_lex): Keep the "inline" keyword in C99 mode.
8642 (yylex): Don't pedwarn for "inline" in C99 mode.
8644 * bitmap.c (debug_bitmap_file): Cast pointers to PTR for printing
8646 * ggc-page.c (debug_print_page_list, alloc_page, free_page,
8647 ggc_alloc): Likewise.
8648 * bb-reorder.c (dump_scope_forest_1): Likewise.
8650 2000-07-22 Aldy Hernandez <aldyh@redhat.com>
8652 * reload.c (find_reloads_toplev): Add new parameter
8654 (find_reloads): Add new parameter to find_reloads_toplev calls.
8656 2000-07-22 Jeffrey Oldham <oldham@codesourcery.com>
8658 * collect2.c (main): Typo fixed.
8659 * diagnostic.c: Typo fixed.
8660 * dwarf2out.c (dwarf2out_frame_debug_expr): Typo fixed.
8661 * eh-common.h: Typo fixed.
8662 * emit-rtl.c (start_sequence): Typo fixed.
8663 * flow.c (find_label_refs): Typo fixed.
8664 (calculate_global_regs_live): Typo fixed.
8665 (mark_regno_cond_dead): Typo fixed.
8666 (create_edge_list): Typos fixed.
8667 (verify_edge_list): Typo fixed.
8668 * ggc-common.c (ggc_mark_rtx_children): Typo fixed.
8669 * loop.c (strength_reduce): Typo in function name fixed.
8670 * rtl.h: Added comments. Typo in function name fixed.
8671 * rtlanal.c: Typo in function name fixed.
8672 (insn_dependant_p): Rename to ...
8673 (insn_dependent_p): ... this.
8674 (computed_jumo_p): Typo fixed.
8676 2000-07-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8678 * system.h (__FUNCTION__): Wrap definition in #ifndef.
8680 2000-07-21 David Edelsohn <edelsohn@gnu.org>
8682 * rs6000.h (SIZE_TYPE): Define.
8684 2000-07-21 Mark Mitchell <mark@codesourcery.com>
8686 * ssa.c (rename_insn_1): Don't rename registers that are
8689 2000-07-21 Zack Weinberg <zack@wolery.cumb.org>
8691 * diagnostic.c (trim_filename, fancy_abort): Moved here from
8693 (fatal_function, set_fatal_function): Removed.
8694 (fatal): Don't prepare for or call the fatal_function.
8695 (diagnostic_lock, error_recursion): New.
8696 (diagnostic_for_decl, report_diagnostic): Guard against
8697 re-entering the error reporting routines.
8698 (fancy_abort): Assume function is not NULL.
8700 * errors.c (fancy_abort): New. Assume function is not NULL.
8701 * tradcpp.c (fancy_abort): Assume function is not NULL.
8703 * system.h: Provide default definition of __FUNCTION__.
8704 * rtl.h: Use __FUNCTION__ not __PRETTY_FUNCTION__ throughout.
8705 Always use __FUNCTION__ in definition of abort.
8707 * varray.h: Likewise.
8708 * toplev.h: Likewise. Don't prototype set_fatal_function.
8710 2000-07-20 Geoff Keating <geoffk@cygnus.com>
8712 * config/rs6000/aix43.h (CPP_SPEC): Define __LONG_MAX__ correctly
8714 * glimits.h: Don't do #if defined for ARCH_PPC.
8716 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): All
8717 constants of size no larger than a pointer should go in the TOC.
8718 Add 'MODE' parameter.
8719 (LEGITIMIZE_RELOAD_ADDRESS): Add MODE parameter to
8720 ASM_OUTPUT_SPECIAL_POOL_ENTRY_P.
8721 (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Likewise.
8722 * config/rs6000/aix.h (SELECT_RTX_SECTION): Likewise.
8723 * config/rs6000/netware.h (SELECT_RTX_SECTION): Likewise.
8724 * config/rs6000/rs6000.c (constant_pool_expr_1): Likewise.
8725 (rs6000_legitimize_address): Likewise.
8726 (rs6000_emit_move): Likewise.
8727 (rs6000_select_rtx_section): Likewise.
8728 (output_toc): Deal properly with outputting small constants like
8729 HImode, and SFmode in 32-bit mode, and DFmode in 64-bit mode.
8730 * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Add
8731 MODE parameter. Put small constants in the TOC.
8733 * config/rs6000/rs6000.c (easy_fp_constant_p): All constants are
8735 (rs6000_emit_move): When reload calls us with an illegitimate
8736 address, exit early. Move the change_address calls to one place
8737 at the end of the routine. Merge the SImode and DImode expanders.
8738 When called by reload to put an integer into a FP register, force
8741 * config/rs6000/rs6000.c (struct toc_hash_struct): Add 'key_mode'
8743 (rs6000_hash_constant): Hash mode too.
8744 (toc_hash_function): Allow for key_mode.
8745 (toc_hash_eq): Structures are different if key_mode differs.
8746 (output_toc): Add 'mode' parameter. Save key_mode.
8747 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY):
8748 Pass 'mode' parameter.
8749 * config/rs6000/rs6000-protos.h (output_toc): Add 'mode' param.
8751 * config/rs6000/rs6000.c (output_toc): Use RS6000_OUTPUT_BASENAME
8752 for vtable references.
8754 * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): If we have a
8755 choice, don't put integer values in FP regs.
8757 Thu Jul 20 18:13:52 2000 Jeffrey A Law (law@cygnus.com)
8759 * flow.c (verify_flow_info): Revamp code to verify that the
8760 head and end of each basic block are in the insn chain.
8762 Thu Jul 20 18:02:35 2000 Michael Matz <matzmich@cs.tu-berlin.de>
8764 * gcse.c (record_one_set): Prepend instead of append onto
8765 reg_set_table, making it O(n) instead O(n^2).
8766 * lcm.c (compute_antinout_edge,compute_laterin,compute_available):
8767 Use a queue instead of a stack as worklist.
8769 2000-07-20 Kazu Hirata <kazu@hxi.com>
8771 * h8300.c (two_insn_adds_subs_operand): Fix a typo.
8772 * h8300.h (OK_FOR_T): New.
8773 (EXTRA_CONSTRAINT): Support OK_FOR_T.
8774 * h8300.md: Use inc/dec.[wl] for increment/decrement
8775 by 1 and 2 in HI and SI modes.
8777 2000-07-20 Jim Wilson <wilson@cygnus.com>
8779 * config/ia64/ia64.h (ASM_OUTPUT_MI_THUNK): Handle DELTA values
8780 larger than 14 bits.
8782 2000-07-20 Zack Weinberg <zack@wolery.cumb.org>
8784 * cppmacro.c (CAN_PASTE_AFTER): New macro.
8785 (count_params): Don't set GNU_REST_ARGS on anything.
8786 (save_expansion): Set PASTE_LEFT only on tokens for which
8787 CAN_PASTE_AFTER is true, or which are named operators.
8789 * cpplex.c (parse_args): Distinguish between a rest argument
8790 given one empty argument, and a rest argument given zero arguments.
8791 (maybe_paste_with_next): Look for VOID_REST tag, and trigger
8792 deletion of previous token based on that.
8793 (get_raw_token): Flatten some control structure.
8795 * cpplib.h (CPP_LAST_EQ): Correct.
8796 (VOID_REST): New token flag.
8797 (GNU_REST_ARGS): Delete.
8799 * tradcpp.c (main): Don't munge -D options.
8800 (make_definition): Bring -D handling in line with cpplib.
8801 (do_define): Strip all leading whitespace from macro definitions.
8803 2000-07-20 David Billinghurst <David.Billinghurst@riotinto.com.au>
8805 * Makefile.in (tradcpp): Depend on intl.o and version.o.
8807 2000-07-20 Bruce Korb <bkorb@gnu.org>
8809 * fixincl/check.tpl: strip the platform specific types before testing
8810 * fixincl/fixfixes.c(gnu_type_fix): use platform specific types
8811 * fixincl/fixincl.tpl: use platform specific types
8812 * fixincl/fixlib.h: include the platform specific types
8813 * fixincl/inclhack.def(gnu_types): don't supply the types
8814 * fixincl/fixincl.x: regen
8816 2000-07-19 Jim Wilson <wilson@cygnus.com>
8818 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): Don't allow XFmode in
8821 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
8823 * tradcpp.c (rescan): Do not recognize directives when the #
8826 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
8828 Implement C++ named operators.
8830 * cpplib.h (TTYPE_TABLE): Move CPP_MIN and CPP_MAX into block
8831 of operators allowed in #if and having an _EQ variant. Add
8832 CPP_MIN_EQ, CPP_MAX_EQ, and CPP_DEFINED.
8833 (cpp_token flags): Add NAMED_OP.
8834 (enum node_type): Add T_OPERATOR.
8835 (struct cpp_hashnode): Add code slot to value union.
8836 * cpphash.h (spec_nodes): Remove n_defined.
8838 * cpplex.c (lex_line): Convert T_OPERATOR nodes to their proper types.
8839 (spell_token, can_paste, maybe_paste_with_next): Handle named operators.
8840 (is_macro_disabled): Tweak error messages.
8842 * cpplib.c (get_define_node): Disallow all named operators as
8843 macro names. Tweak error messages.
8844 (_cpp_init_stacks): Don't set up spec_nodes->n_defined.
8846 * cppinit.c (builtin_array): Add entries for the named operators.
8847 * cppexp.c (lex): Check for CPP_DEFINED token.
8848 (priority table): Add entries for CPP_MIN and CPP_MAX.
8849 (_cpp_parse_expr): Handle CPP_MIN and CPP_MAX.
8851 2000-07-19 Bernd Schmidt <bernds@cygnus.co.uk>
8853 * gcse.c (INSN_CUID): If ENABLE_CHECKING, abort if the uid is
8854 larger than the array of cuids.
8855 (alloc_gcse_mem): Use uid_cuid rather than INSN_CUID when computing
8858 2000-07-19 Bruce Korb <bkorb@gnu.org>
8860 * fixinc/fixincl.c: Convert to using a table of environment variables
8861 and activate the auto-edit marker on the fixed output files.
8862 * fixinc/fixlib.h: Define the environment table
8863 * fixinc/fixincl.sh: export the ${INPUT} dir
8864 * fixinc/check.tpl: likewise
8866 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
8868 * gcc.c (.h spec): Fix typo.
8870 Wed Jul 19 01:22:15 CEST 2000 Marc Espie <espie@cvs.openbsd.org>
8872 * Makefile.in: Fix tradcif.c path.
8874 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
8876 * cpplib.h (TTYPE_TABLE): Rearrange to use only two per-entry
8879 * cpphash.h (TOKEN_NAME): New macro.
8880 (_cpp_spell_operator): Deleted.
8881 (token_spellings): Now _cpp_token_spellings.
8883 * cppexp.c: Use TOKEN_NAME or TYPE_NAME, not _cpp_spell_operator.
8884 * cpplex.c: Use OP and TK macros when expanding the
8885 TTYPE_TABLE. Eliminate token_names. For non-OPERATOR tokens,
8886 store the stringification of the enumeration name (CPP_CHAR,
8887 etc.) in the name slot of token_spellings.
8888 Use TOKEN_NAME and/or TOKEN_SPELL, do not reference
8889 token_spellings directly.
8890 * cpplib.c: Use TOKEN_SPELL.
8892 * cpplex.c (_cpp_push_token): If the token being pushed back
8893 is the previous token in this context, just subtract one from
8895 * cppmacro.c (save_expansion): Clear aux field when storing a
8898 2000-07-18 Jakub Jelinek <jakub@redhat.com>
8900 * cpplex.c (cpp_scan_buffer): Output line command even at the stop
8901 buffer, provided it is not NULL.
8903 2000-07-18 Alexandre Oliva <aoliva@redhat.com>
8905 * c-decl.c (duplicate_decls): Do not call make_var_volatile() in
8906 case of invalid volatile re-declaration.
8908 2000-07-18 Jakub Jelinek <jakub@redhat.com>
8910 * calls.c (store_arg): Return non-zero if sibcall_failure is desired.
8911 (expand_call): Adjust caller.
8913 2000-07-17 Gabriel Dos Reis <gdr@codesourcery.com>
8915 * diagnostic.h (report_diagnostic): Change prototype.
8917 * diagnostic.c (output_do_verbatim, diagnostic_for_asm,
8918 diagnostic_for_decl): Change prototype.
8919 (error_with_decl, warning_with_decl, pedwarn_with_decl, warning,
8920 error, warning, error_with_file_and_line,
8921 warning_with_file_and_line, pedwarn_with_file_and_line, fatal):
8922 Adjust call to report_diagnostic, diagnostic_for_decl.
8923 (error_for_asm, warning_for_asm): Adjust call to diagnostic_for_asm.
8924 (output_verbatim, verbatim): Adjust call to output_do_verbatim.
8926 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic. End
8927 varaible argument list.
8929 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
8931 * cpphash.c: Don't include hashtab.h. Most macro-handling code
8932 moved to cppmacro.c.
8933 (hash_HASHNODE, eq_HASHNODE, _cpp_dump_macro_hash,
8934 dump_hash_helper): Delete.
8935 (expand_hash, higher_prime_number, _cpp_lookup_with_hash,
8936 cpp_forall_identifiers): New. Implement specialized version of
8937 Vlad's expandable hash table.
8938 (cpp_lookup): Use new functions.
8939 (_cpp_init_macros, _cpp_cleanup_macros): Adjust for new
8941 * cppmacro.c: New file.
8942 * cppinit.c (dump_macros_helper): New.
8943 (cpp_finish): Iterate over the identifier table directly.
8944 * cpplex.c (parse_name): Calculate the hash of the identifier
8945 while we scan it. Use _cpp_lookup_with_hash when we can.
8947 * cpphash.h: Update prototypes.
8948 (xcnewvec, HASHSTEP): New helper macros.
8949 * cpplib.h: Update prototypes.
8950 * Makefile.in (LIBCPP_OBJS): Add cppmacro.o.
8951 (cppmacro.o): New rule.
8952 (cpphash.o): Update deps.
8954 * cppmain.c: Do not set pfile->printer if no_output is on.
8956 2000-07-15 Neil Booth <neilb@earthling.net>
8958 * cpplib.c: Change all directive-handler functions to return
8960 * cpphash.h: Update typedefs.
8962 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
8964 * configure: Regenerate.
8966 * extend.texi (Extended Asm): Mention that a memory clobber
8967 does not count as a side-effect.
8969 * unroll.c (copy_loop_body): Fix one instance of using host
8970 arithmetic on the target; fixes loop-4 on a 32-bit -> 64-bit
8973 * tlink.c (scan_linker_output): Tweak for output of AIX ld.
8975 2000-07-17 Richard Henderson <rth@cygnus.com>
8977 * config/ia64/ia64.md (movdi): Split out load address code.
8978 New post-reload splitter for symbolic operands.
8979 (movdi_internal): Abort if we didn't split symbolic operands
8980 when we should have.
8981 * config/ia64/ia64.c (ia64_expand_load_address): New, from movdi bits.
8982 (ia64_reorg): Split insns when not optimizing.
8983 * config/ia64/ia64-protos.h (ia64_expand_load_address): Declare.
8985 Mon Jul 17 23:43:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
8987 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Use LONG_DOUBLE_TYPE_SIZE
8988 instead of MAX_LONG_DOUBLE_TYPE_SIZE to decide output format.
8990 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
8992 * loop.c (check_dbra_loop) : Changed loop_continue to loop->cont.
8994 2000-07-17 Jason Merrill <jason@redhat.com>
8996 * Makefile.in (clean): Remove libgcc directory.
8998 * configure.in (-Wno-long-long check): Use higher-level macros.
9000 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
9002 * simplify-rtx.c (simplify_binary_operation): Recognize
9003 (compare (gt[u] (cc) 0) (lt[u] (cc) 0)).
9004 (simplify_ternary_operation): Do not examine MODE_BITSIZE of
9005 a CONST_INT, it will always be zero.
9007 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
9009 * loop.c (check_dbra_loop) : Return if more than one condition is
9010 present to control the loop.
9012 Mon Jul 17 08:26:35 2000 Clinton Popetz <cpopetz@cygnus.com>
9014 * mips.c (mips_expand_prologue): Don't calculate the last argument
9015 register unless we need it. When we are calculating this, make
9016 sure FUNCTION_ARG is giving us a REG.
9018 2000-07-17 Stephane Carrez <Stephane.Carrez@worldnet.fr>
9020 * flow.c (libcall_dead_p): Use single_set to verify the insn
9021 has only one set and get for analysis.
9022 (propagate_one_insn): Don't pass the PATTERN of the insn.
9024 2000-07-17 Mark Klein <mklein@dis.com>
9026 * pa.c (emit_hpdiv_const): Update to match new pattern for udivsi3.
9028 2000-07-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
9030 * Makefile.in (TARGET_GETGROUPS_T): New configuration variable.
9031 * configure.in (TARGET_GETGROUPS_T): Evaluate.
9032 * sys-protos.h (getgroups): Use TARGET_GETGROUPS_T for array type
9033 of second argument of getgroups.
9034 * configure, config.in: Rebuilt.
9036 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
9038 * simplify-rtx.c (simplify_relational_operation): Two signed
9039 values with equal high words are less/greater than each other if
9040 their low words are less/greater when considered as unsigned.
9042 Mon Jul 17 02:37:06 2000 Marc Espie <espie@openbsd.org>
9044 * configure.in (vax-*-openbsd): Change to new style configuration,
9045 add collect2/float_format information.
9046 * configure: Rebuilt.
9047 * config/vax/openbsd1.h: New.
9048 * config/vax/openbsd.h: New.
9049 * config/vax/t-openbsd: New.
9051 2000-07-17 Chip Salzenberg <chip@valinux.com>
9053 * c-common.c (shorten_compare): Quiet warnings about unsigned
9054 comparisons with zero when they occur in a system header.
9056 2000-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
9058 * invoke.texi (-pedantic): Refer to ISO C instead of ANSI C, and
9059 update to describe current practice.
9061 * glimits.h (LLONG_MIN, LLONG_MAX, ULLONG_MAX): Define for C99.
9063 * contrib.texi, cpp.texi, extend.texi, invoke.texi: Update
9064 references to C9X. Change references to -fstd and -flang-isoc9x
9067 * c-common.c (scan_char_table): Allow "z" length modifiers on
9069 (check_format_info): Use TYPE_DOMAIN on the type matched against
9070 for "z" formats, to retrieve the language size_t rather than the
9073 * c-common.c (check_format_info): Do not make a pedantic objection
9074 to the 'L' length modifier if used with a floating point type
9077 * c-lex.c (yylex): Don't pedwarn for hexadecimal floating point
9078 constants in C99 mode.
9080 2000-07-17 Kazu Hirata <kazu@hxi.com>
9082 * h8300.md: Fix the format of mac.
9083 (movsi_h8300hs): Output a tab after stmac instead of a space.
9085 * h8300.c (two_insn_adds_subs_operand): Improve code for detecting
9086 profitable adds/subs sequences.
9088 * fold-const.c: Fix comment typos.
9090 2000-07-16 Laurynas Biveinis <lauras@softhome.net>
9092 * cppfiles.c (read_name_map): Set map_list_ptr->map_list_map to NULL.
9094 2000-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9096 * fixinc/fixfixes.c (emit_gnu_type): Avoid string concatenation.
9098 2000-07-16 Neil Booth <NeilB@earthling.net>
9100 * cpplex.c: Update comments.
9101 * README.Portability: Small update.
9103 2000-07-16 Neil Booth <NeilB@earthling.net>
9105 * README.Portability: Small update.
9107 2000-07-15 Richard Henderson <rth@cygnus.com>
9109 * config/ia64/ia64-protos.h (ia64_move_ok): Prototype.
9110 * config/ia64/ia64.c (ia64_move_ok): New function.
9111 * config/ia64/ia64.md (movqi, movqi_internal): Use it.
9112 (movhi, movsi, movdi, movsf, movdf, movxf): Likewise.
9114 2000-07-15 Zack Weinberg <zack@wolery.cumb.org>
9116 * cpphash.c (save_expansion): Clear PREV_WHITE on tokens
9117 immediately following a paste operator.
9118 * cppinit.c (sort_options): New function (only for HOST_EBCDIC).
9119 (cpp_reader_init): Call it, if HOST_EBCDIC.
9120 (cpp_handle_options): Do not sort option list here.
9121 (handle_option): Rename to cpp_handle_option and export.
9122 * cpplex.c (cpp_scan_buffer_nooutput, cpp_scan_buffer): Use
9123 _cpp_get_token directly.
9124 (cpp_scan_line): Return 0 at EOF, 1 otherwise.
9125 * cpplib.c (cpp_push_buffer): Don't set new->lineno to 1.
9126 * cpplib.h: Prototype cpp_handle_option. Update prototype of
9129 2000-07-15 Richard Henderson <rth@cygnus.com>
9131 * fold-const.c (extract_muldiv): Don't optimize past an unsigned
9132 cast around an expression. Tidy other unsigned tests.
9134 2000-07-15 Gabriel Dos Reis <gdr@codesourcery.com>
9136 * diagnostic.c (doing_line_wrapping, line_wrapper_printf, notice,
9137 v_error_with_decl, v_warning_with_decl, v_pedwarn_with_decl): Remove.
9138 (v_message_with_decl): Rename to ...
9139 (format_with_decl): ... this. Tweak
9140 (diagnostic_for_decl): New function.
9141 (fatal_io_error): Use verbatim in lieu of notice.
9142 (announce_function): Use verbatim.
9143 (default_print_error_function): Likewise.
9144 (error_with_decl, warning_with_decl, pedwarn_with_decl): Use new
9147 2000-07-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9149 * mips.c (function_arg_pass_by_reference): Don't do automatic
9150 aggregate initialization.
9151 (machine_dependent_reorg): Initialize variable `mode'.
9153 * mips.md (absdi2): Change variable `regno1' to unsigned int.
9154 (reload_indi): Rename loword/hiword to lo_word/hi_word to avoid
9155 conflicts with sys/param.h macro of the same name.
9156 (reload_outdi): Likewise.
9158 2000-07-15 Michael Meissner <meissner@redhat.com>
9160 * fold-const.c (fold): When optimizing FOO++ == CONST into ++FOO
9161 == CONST + INCREMENT, don't overwrite the tree node for FOO++,
9162 create a new node instead.
9164 2000-07-15 Neil Booth <NeilB@earthling.net>
9166 * README.Portability: Correct example about calling a function
9167 through a pointer to function. Format wide paragraphs.
9169 2000-07-15 Michael Meissner <meissner@redhat.com>
9171 * README.Portability: Update integer suffixes and function
9174 2000-07-15 Neil Booth <NeilB@earthling.net>
9176 * README.Portability: Small update.
9178 2000-07-15 Neil Booth <NeilB@earthling.net>
9180 * README.Portability: New file.
9182 Fri Jul 14 18:13:53 2000 Mark P Mitchell <mark@codesourcery.com>
9184 * INSTALL: Give special instructions for building GCC on Irix 6.
9185 * config/mips/x-iris6 (CC): Don't set it.
9188 2000-07-14 Jason Merrill <jason@redhat.com>
9190 * dwarf2out.c (dwarf2out_frame_debug_expr): If we store the CFA
9191 register in the stack and later in another register, use the new
9194 Fri Jul 14 10:25:53 2000 Clinton Popetz <cpopetz@cygnus.com>
9196 * config/mips/mips.md: (absdi2): Handle sign_extend for
9199 2000-07-14 Nathan Sidwell <nathan@codesourcery.com>
9201 * cpplib.c (do_pragma_dependency): Tidy warning messages.
9203 2000-07-14 Zack Weinberg <zack@wolery.cumb.org>
9205 * .cvsignore: Correct typo.
9207 2000-07-13 Mark Mitchell <mark@codesourcery.com>
9209 * .cvsignore: Add generated YACC files.
9210 * objc/.cvsignore: New file.
9212 2000-07-14 Neil Booth <NeilB@earthling.net>
9214 * cpplex.c (adjust_column): New funcion.
9215 (skip_whitespace): Use it.
9216 (skip_block_comment): Use it, and warn about /*/* with
9219 2000-07-14 Neil Booth <NeilB@earthling.net>
9221 * cpphash.c (struct macro_info): Add new members.
9222 (_cpp_free_definition): Delete the macro directly.
9223 (count_params): Return void, with first token of
9224 expansion in struct macro_info on success.
9225 (parse_define): Return int. Hoist syntax checking from
9226 save_macro_expansion. Leave call to save_expansion to
9227 _cpp_create_definition.
9228 (alloc_macro): Needs just 2 arguments.
9229 (free_macro): Delete.
9230 (save_expansion): Don't perform syntax check.
9231 (_cpp_create_definition): Call save_expansion.
9233 2000-07-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9235 * genrecog.c (write_header): Split long string.
9237 * cpphash.c (macro_info): Don't use the `signed' keyword.
9239 * system.h (alloca): Prototype if __GNUC__ && __SIZE_TYPE__.
9241 2000-07-13 Jakub Jelinek <jakub@redhat.com>
9243 * calls.c (stored_args_map): New variable.
9244 (check_sibcall_argument_overlap_1): New.
9245 (check_sibcall_argument_overlap): New.
9246 (expand_call): Initialize stored_args_map.
9247 Call check_sibcall_argument_overlap.
9249 2000-07-13 Bruce Korb <bkorb@gnu.org>
9251 * fixinc/fixfixes.c: move EXIT_BROKEN to header, add sub-expr max count
9252 (emit_gnu_type): utility procedure for gnu_type_fix
9253 (gnu_type_fix): implement various pre-processor guards around
9254 standard types so these types can be defined over and over
9255 * fixinc/fixincl.tpl: add a "gnu_type_map" that forces the standard
9256 types alluded to above will have GNU-compliant base types
9257 * fixinc/fixlib.h: add EXIT_BROKEN define and the gnu_type_map struct
9258 * fixinc/inclhack.def: add test_text entries and utilize the new
9259 "gnu_types" fix for the ptrdiff_t, size_t and wchar_t types.
9260 * fixinc/fixincl.x: regenerate
9262 2000-07-12 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
9264 * diagnostic.c (vline_wrapper_message_with_location,
9265 v_message_with_file_and_line, v_error_with_file_and_file,
9266 v_error_for_asm, v_warning_for_asm, vfatal,
9267 v_warning_with_file_and_line, v_pedwarn_with_file_and_line,
9268 vsorry, verror, vwarning, vpedwarn): Remove.
9269 (diagnostic_for_asm): New function.
9270 (pedwarn, error, warning, pedwarn_with_file_and_line,
9271 error_with_file_and_line, warning_with_file_and_line, sorry,
9272 error_for_asm, warning_for_asm, fatal): Reimplement.
9273 (finish_diagnostic): Clear diagnostic info as well.
9275 2000-07-13 Neil Booth <NeilB@earthling.net>
9277 * c-common.h (flag_digraphs): New.
9278 * c-decl.c (c_decode_option): Set flag_digraphs as appropriate.
9279 * c-lex.c (yylex): Use flag_digraphs to decide whether to
9282 2000-07-13 Zack Weinberg <zack@wolery.cumb.org>
9284 * gcc.c (do_spec_1): Add new %B operator.
9285 (set_input): Prepare for %B.
9287 (link_command_spec): Move up with the other tm.h-
9288 overrideable specs. Factor out the portion conditional on
9289 LINK_LIBGCC_SPECIAL into a new spec, %(link_libgcc).
9290 (struct compiler): Just have a single spec string. All users
9292 (default_compilers): Remove unnecessary braces.
9293 (static_specs): Update.
9295 (trad_capable_cpp, cpp_options, cc1_options, asm_options): New
9297 (C and assembly specs): Use the new named specs, as appropriate.
9299 * objc/lang-specs.h: Use the new named specs.
9300 Remove unnecessary braces.
9302 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
9304 * gcc.c (execute): If a subprocess gets a fatal signal, report
9305 strsignal() of the signal number, and ask for a bug report.
9306 Do not do this for SIGPIPE if there's already been an error.
9308 * tradcpp.c: Don't include signal.h. Don't catch SIGPIPE.
9311 * tradcif.c: Remove.
9313 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
9315 * final.c (profile_function): Do not emit profile counters in
9316 the data section, if NO_PROFILE_COUNTERS is defined.
9317 * tm.texi: Document NO_PROFILE_COUNTERS. Update doc for
9320 * config/i386/linux.h (NO_PROFILE_COUNTERS): Define.
9321 (FUNCTION_PROFILER): Just emit a call to mcount.
9323 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
9325 * tradcpp.c (main): Rename 'perror' label to 'sys_error'.
9327 * cppexp.c, cpphash.c, cpphash.h, cppinit.c, cpplex.c,
9328 cpplib.c, cpplib.h: Eradicate all traces of code dependent on
9329 traditional, lang_chill, or lang_fortran.
9331 * cppfiles.c: #undef strcmp to suppress warning about macros
9332 used without arguments.
9333 (_cpp_execute_include): Use f, not fname, in "No include path"
9335 (_cpp_pop_file_buffer): New function.
9336 * cpplib.c: Don't include <sys/mman.h>.
9337 (cpp_push_buffer): Set line_base and lineno in new buffer.
9338 (cpp_pop_buffer): Use _cpp_pop_file_buffer.
9340 * cpplex.c: Move all prototypes and structure declarations to the
9341 top of the file. Properly parenthesise some macro arguments.
9342 (cpp_scan_line): New function.
9343 (special_symbol [case T_INCLUDE_DEPTH]): Use pfile->include_depth,
9344 don't need to walk up the stack counting.
9346 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9348 * c-common.c (combine_strings): Emit a pedantic warning when a
9349 string length is greater than the minimum ANSI C is required
9352 Wed Jul 12 13:24:30 2000 Jeffrey A Law (law@cygnus.com)
9354 * pa/xm-pa64.h (NO_SYS_SIGLIST): Kill.
9355 * d30v/xm-d30v.h (NO_SYS_SIGLIST): Kill.
9357 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9359 * c-decl.c (define_label): Warn about identifier conflicts with
9360 labels in traditional C.
9362 * c-parse.in (unop +): Warn about the unary plus operator for
9365 * c-typeck.c (store_init_value): Warn about automatic aggregate
9366 initialization for traditional C.
9368 * invoke.texi (-Wtraditional): Document new warnings.
9370 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
9372 * Makefile.in (c-errors.o): Fix thinko in dependency.
9374 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
9376 * gcc.c (C specs [!USE_CPPLIB]): Invoke tradcpp if any of
9377 -traditional, -ftraditional, or -traditional-cpp was given.
9378 Do not pass -traditional to the preprocessor.
9379 (.S spec): Likewise. Don't bother defining __ASSEMBLER__, the
9380 preprocessor does it automatically.
9381 * objc/lang-specs.h: Likewise. Don't bother defining __OBJC__.
9383 * ch/lang-specs.h: Always use tradcpp. Do not pass
9384 -traditional, -trigraphs, or -pedantic to the preprocessor.
9385 * f/lang-specs.h (.F spec): Likewise. Don't bother defining
9388 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
9390 * cppexp.c (LOGICAL): Delete macro.
9391 (_cpp_parse_expr): Do not use UNARY for unary +. Implement ||
9394 * cpphash.c (HASHSIZE): Increase to 4096.
9395 (struct hashdummy): Add hash field.
9396 (eq_HASHNODE): Compare unreduced hashes, then lengths, then
9397 the string values using memcmp.
9398 (cpp_lookup): Set dummy.hash.
9400 Wed Jul 12 13:15:16 2000 Marc Espie <espie@openbsd.org>
9402 * configure.in (m88k-openbsd): Express configuration using new fragment
9404 * configure: Rebuilt.
9405 * m88k/aout-dbx.h: New.
9406 * m88k/openbsd.h: New.
9407 * m88k/xm-openbsd.h: New.
9409 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9411 * expr.c (expand_expr): Return const0_rtx, not error_mark_node.
9413 2000-07-12 Richard Henderson <rth@cygnus.com>
9415 * reload.c (push_secondary_reload): Make sure to add the new
9416 reload at the end, after acquiring secondary memory.
9418 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9420 * cpplex.c (is_macro_disabled): Use CPP_WTRADITIONAL.
9422 * c-decl.c (set_current_function_name_declared, anon_aggr_type_p,
9423 lang_expand_stmt): Mark parameters with ATTRIBUTE_UNUSED.
9425 * c-parse.in (stmt): Delete unused variables.
9427 * convert.c (convert_to_vector): Likewise.
9429 * gensupport.c (process_rtx): Declare attr as `rtvec' not `rtx'.
9431 * tree.c (finish_vector_type): Prototype.
9433 2000-07-12 Bruce Korb <bkorb@gnu.org>
9435 * fixinc/fixfixes.c: use xmalloc
9436 * fixinc/fixincl.c(initialize): set program name for xmalloc
9437 * fixinc/fixlib.c(must_malloc): obsolete
9438 (is_cxx_header): no longer used - disabled
9439 (skip_quote): inserted and disabled for future use
9440 * fixinc/fixlib.h: reflects above
9441 * fixinc/fixtests.c: removed dinkleberries
9443 2000-07-12 Neil Booth <NeilB@earthling.net>
9445 * cpphash.h: (TOKEN_SPELL) Pulled from cpplex.c.
9446 * cpplex.c (TOKEN_SPELL) Move to cpphash.h.
9448 * cpphash.c: (struct macro_info, alloc_macro, free_macro,
9449 struct toklist_dummy): New.
9450 (cpp_free_definition): Free macros with free_macro.
9451 (count_params): Don't save paramter spellings. Save macro
9452 information in a struct macro_info.
9453 (parse_define): Don't allocate a token list.
9454 (save_expansion): Allocate the macro's token list, and
9455 save parameter spellings if necessary. Use TOKEN_SPELL.
9456 (cpp_create_definition): Make list const.
9458 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
9460 * c-typeck.c (pedwarn_c99): Move to
9461 * c-errors.c: ... Here.
9462 * toplev.h (verror, vwarning, vpedwarn): Remove prototypes.
9463 * diagnostic.c (verror, vwarning, vpedwarn): Make static.
9464 * Makefile.in (C_AND_OBJC_OBJS): Include c-errors.o
9465 (c-errors.o): List dependency.
9467 2000-07-12 Mark Mitchell <mark@codesourcery.com>
9469 * c-parse.c: Remove.
9470 * c-parse.h: Likewise.
9471 * c-parse.y: Likewise.
9472 * objc/objc-parse.c: Likewise.
9473 * objc/objc-pasre.y: Likewise.
9475 2000-07-11 Rodney Brown <RodneyBrown@pmsc.com>
9477 * gcc.texi: Fix minor typos
9478 * extend.texi: Fix minor typos
9480 2000-07-11 Marc Espie <espie@openbsd.org>
9482 * collect2.c (main): Recognize .lo as object files.
9484 2000-07-11 J. David Anglin <dave@hiauly1.hia.nrc.ca>
9486 * pa.c (hppa_encode_label): Store labels in gc memory when ggc_p is
9489 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Extend test to detect systems
9490 with MAP_ANONYMOUS and MAP_ANON.
9491 * configure, config.in: Rebuilt.
9493 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
9495 * diagnostic.c (save_output_state): Remove.
9496 (restore_output_state): Likewise.
9497 (clear_text_info): New function.
9498 (clear_diagnostic_info): Likewise.
9499 (output_text_length, is_starting_newline, output_prefix,
9500 line_wrap_cutoff, ideal_line_wrap_cutoff, prefix_was_emitted_for,
9501 prefixing_policy, output_buffer_ptr_to_format_args): New macros
9502 (set_real_maximum_length, output_set_maximum_length,
9503 output_set_prefix, output_get_prefix, output_set_maximum_length,
9504 output_destroy_prefix, init_output_buffer,
9505 reshape_diagnostic_buffer, output_space_left, output_emit_prefix,
9506 output_add_newline, output_add_character, output_add_space,
9507 output_append_r, output_append, wrap_text, output_format,
9508 output_do_printf, output_printf, output_do_verbatim,
9509 output_verbatim, verbatim): Use them.
9510 (output_clear): Split into cleat_text_info and
9511 clear_diagnostic_info.
9512 (struct output_state): Move to...
9514 * diagnostic.h: ...Here
9515 (struct output_buffer): Adjust.
9517 2000-07-11 Zack Weinberg <zack@wolery.cumb.org>
9519 * cpplex.c (parse_name): No longer inline (premature optimization).
9520 (do_pop_context): Fold into pop_context.
9521 (pop_context): Returns int.
9522 (lex_next): Hoist test for end of directive into pop_context.
9523 (push_macro_context): Returns int; takes just reader and token.
9524 Hoist test for excessive nesting to caller.
9525 (push_arg_context): Returns void; takes just reader and token.
9526 Do not call stringify_arg or get_raw_token.
9527 (get_raw_token): Convert tail recursion through push_arg_context
9528 to a loop at this level. Call stringify_arg here if appropriate.
9529 (maybe_paste_with_next): Convert tail recursion to a while loop.
9530 Hoist test of paste_level to caller.
9532 (stringify_arg): Push arg context at beginning.
9533 (cpp_get_token): Split out core into _cpp_get_token. Call
9534 process_directive here. Throw away CPP_PLACEMARKER tokens.
9535 (_cpp_get_token): Convert tail recursion through
9536 push_macro_context to a loop at this level.
9537 (_cpp_glue_header_name, is_macro_disabled, stringify_arg,
9538 _cpp_get_raw_token): Use _cpp_get_token.
9539 (_cpp_skip_rest_of_line): Drop the context stack directly; do
9540 not call pop_context.
9541 (_cpp_run_directive): Call lex_next directly.
9543 * cpphash.h: Prototype _cpp_get_token.
9544 * cppexp.c (lex): Use it.
9545 * cpphash.c (parse_define): Use it.
9546 * cpplib.c (get_define_node, do_undef, parse_include,
9547 read_line_number, do_line, do_ident, do_pragma, do_pragma_gcc,
9548 do_pragma_implementation, do_pragma_poison, do_pragma_dependency,
9549 parse_ifdef, validate_else): Use it.
9550 (cpp_push_buffer): Tweak error message; abort if anyone tries
9551 to push a buffer while macro expansions are stacked.
9553 2000-07-11 Donn Terry <donnte@microsoft.com>
9555 * cpplex.c (free_macro_args, save_token): Cast arg of free
9556 and/or xrealloc to PTR.
9557 (_cpp_init_input_buffer): Clear all fields of the base context.
9559 Tue Jul 11 15:28:21 CDT 2000 Clinton Popetz <cpopetz@cygnus.com>
9561 * gensupport.c (process_rtx): Make rtl checking stop
9562 complaining about the define_insn while it is being
9563 converted from a define_insn_and_split.
9565 Tue Jul 11 16:26:17 2000 Clinton Popetz <cpopetz@cygnus.com>
9567 * config/mips/mips.c (simple_memory_operand): Access the
9568 INTVAL of the address, not it's containing MEM.
9570 2000-07-11 Bruce Korb <bkorb@gnu.org>
9572 * fixinc/fixtests.c(double_slash): obsolete
9573 (else_endif_label): likewise
9574 * fixinc/inclhack.def(irix_multiline_cmnt): obsolete
9575 (libc1_ifdefd_memx): correct initial comment
9576 and omit the #if/#endif pair from the memxxx declarations
9577 * fixinc/fixincl.x: regen
9579 2000-07-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9581 * cpplex.c (T, I, S, C, N): Avoid non-constant initializers.
9583 2000-07-11 Neil Booth <NeilB@earthling.net>
9587 2000-07-11 Neil Booth <NeilB@earthling.net>
9589 * cppinit.c: (cpp_reader_init): Allow digraphs by default.
9590 (handle_option): Set digraphs according to standard.
9591 Merge OPT_lang_c89 handler with OPT_std_c89.
9593 * cpplex.c: (lex_line, can_paste): Honour digraphs in
9594 accordance with the digraphs flag.
9596 * cpplib.h: (struct cpp_options): New option digraphs.
9598 2000-07-10 Hans-Peter Nilsson <hp@axis.com>
9599 Bruce Korb <bkorb@gnu.org>
9601 * fixinc/inclhack.def (libc1_ifdefd_memx): New fix.
9602 * fixinc/fixincl.x: Regenerate.
9603 * fixinc/tests/base/testing.h: Add testcase.
9605 2000-07-10 Richard Henderson <rth@cygnus.com>
9607 * config/ia64/ia64.c (got_symbolic_operand): New.
9608 (symbolic_operand, move_operand): Revert 0701 change.
9609 * config/ia64/ia64.h (PREDICATE_CODES): Update.
9610 * config/ia64/ia64-protos.h (got_symbolic_operand): Declare.
9611 * config/ia64/ia64.md (movdi): Revert 0701 wrt symbolic_operand;
9612 split the offset into a 14-bit low part instead of a 13-bit low part.
9613 (load_fptr): Mark the mem as unchanging.
9614 (load_symptr): Use got_symbolic_operand.
9616 2000-07-10 Nick Clifton <nickc@cygnus.com>
9618 * libgcc2.c (next_stack_level): Cast result of computation to
9619 (void **) so that the assignment does not generate a warning.
9621 2000-07-10 Chandrakala Chavva <cchavva@redhat.com>
9623 * flags.h : Add new variable flag_single_precision_constant.
9624 * toplev.c (display_help) : Add -fsingle-precision-constant option.
9625 (flag_single_precision_constant): New.
9626 * c-lex.c (yylex): Convert floating point constant to single
9628 * invoke.texi : Add documentation for this new option.
9630 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
9632 * diagnostic.c (output_octal): Second parameter is unsigned.
9633 (output_long_octal): Likewise.
9634 (output_hexadecimal): Likewise.
9635 (output_long_hexadecimal): Likewise.
9636 (output_format): Adjust arguments extraction. Tweak.
9637 (output_verbatim, verbatim): End variable argument list.
9638 (report_diagnostic): Improve documentation.
9640 2000-07-10 Benjamin Chelf <chelf@codesourcery.com>
9642 * c-common.h (build_stmt): Declare.
9643 (build_continue_stmt): Likewise.
9644 (build_break_stmt): Likewise.
9645 (build_return_stmt): Likewise.
9647 * c-decl.c (do_case): Rewrite to do what previously done in
9650 * c-semantics.c (build_stmt): Define.
9651 (build_return_stmt): Likewise.
9652 (build_break_stmt): Likewise.
9653 (build_continue_stmt): Likewise.
9654 (build_case_label): Likewise.
9656 * c-parse.in (BREAK): Change to build tree, then generate RTL.
9657 (CONTINUE): Likewise.
9660 (DEFAULT): Likewise.
9662 * c-parse.y: Regenerate.
9663 * c-pasre.c: Likewise.
9665 2000-07-09 Jason Merrill <jason@redhat.com>
9667 * expr.c (expand_expr): Bail earlier if we get an error_mark_node.
9669 * tree.h (STRIP_NOPS): Check for error_mark_node.
9670 (STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Likewise.
9671 (dwarf2out_*): Remove duplicate declarations.
9673 * c-decl.c (duplicate_decls): Copy DECL_ABSTRACT_ORIGIN from
9674 DECL_ABSTRACT_ORIGIN, not DECL_ORIGIN.
9676 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
9678 * diagnostic.c (wrap_text): New function.
9679 (maybe_wrap_text): Likewise.
9680 (output_add_string): Use it.
9681 (output_format): Likewise.
9682 (count_error): Use verbatim instead of notice.
9683 (report_error_function): Likewise. Don't use plain fprintf.
9684 (finish_diagnostic): New function.
9685 (output_do_verbatim): Tweak. Commonalize functionalities in
9686 output_verbatim and verbatim.
9687 (output_verbatim): Adjust.
9688 (verbatim): Likewise.
9689 (report_diagnostic): Define.
9691 * diagnostic.h (report_diagnostic): Prototype.
9693 2000-07-09 Zack Weinberg <zack@wolery.cumb.org>
9695 * cppexp.c (_cpp_parse_expr): Don't use unary plus.
9697 2000-07-09 Neil Booth <NeilB@earthling.net>
9699 * cpphash.h: ISvspace, is_vspace, is_nvspace: New.
9700 IShspace, ISspace: Update.
9702 * cppinit.c: ISTABLE: Update.
9705 * cpplex.c (IS_HSPACE, S_NEWLINE): Remove.
9706 (IS_DIRECTIVE): Rename KNOWN_DIRECTIVE.
9707 (skip_block_comment, skip_line_comment, parse_string,
9708 lex_line): Use is_vspace rather than IS_NEWLINE.
9709 (skip_whitespace, lex_line): Clean up to use is_nvspace.
9710 (lex_line): Use KNOWN_DIRECTIVE. Any kind of directive
9712 (lex_next): Unconditionally stop if within a directive.
9713 Treat directives within macro invocations as directives
9714 (after parse_args emits error), not as the argument.
9716 2000-07-09 Gabriel Dos Reis <gdr@codesourcery.com>
9718 * diagnostic.c (diagnostic_args): New macro.
9719 (diagnostic_msg): Likewise.
9720 (output_formatted_integer): Likewise.
9721 (output_state): New data type.
9722 (digit_buffer): Make global.
9723 (output_add_integer): Rename to output_decimal. Squeeze
9725 (output_long_decimal, output_unsigned_decimal,
9726 output_long_unsigned_decimal, output_octal, output_long_octal,
9727 output_hexadecimal, output_long_hexadecimal): New functions.
9728 (output_append_r): New function.
9729 (output_append): Tweak.
9730 (output_flush_on): Rename to output_to_stream.
9731 (output_format): Change prototype. Improve documentation. Handle
9732 more format specifiers.
9733 (build_location_prefix): Rename to context_as_prefix.
9734 (output_notice): Rename to output_do_printf.
9735 (output_printf): Tweak.
9736 (line_wrapper_printf): Likewise.
9737 (vline_wrapper_message_with_location): Adjust call to renamed
9739 (v_message_with_decl): Likewise.
9740 (default_print_error_function): Likewise.
9741 (save_output_state): New function.
9742 (restore_output_state): Likewise.
9743 (output_do_verbatim): Likewise.
9744 (output_verbatim): Define.
9745 (verbatim): Likewise.
9747 * diagnostic.h (printer_fn): Change return type from void to int.
9748 Improve documentation.
9749 (output_add_integer): Rename to output_decimal.
9750 (output_flush_on, output_format): Don't export.
9751 (output_verbatim, verbatim): Declare.
9753 2000-07-08 Toon Moene <toon@moene.indiv.nluug.nl>
9755 * fold-const.c (extract_muldiv) case PLUS_EXPR, MINUS_EXPR:
9756 Check whether c divides op1 exactly if operation is not
9759 2000-07-08 Richard Henderson <rth@cygnus.com>
9761 * final.c (final): Do not abort when reg-stack introduces
9764 2000-07-08 Zack Weinberg <zack@wolery.cumb.org>
9766 * cpplib.h (struct cpp_name): Now struct cpp_string.
9767 (CPP_INT, CPP_FLOAT, CPP_NUMBER, CPP_COMMENT,
9768 CPP_HEADER_NAME): Change to type S.
9769 (struct cpp_token): Rename 'name' field to 'str'. Add 'node'
9770 field, a cpp_hashnode *. All references to val.name updated
9771 to use val.str or val.node as appropriate.
9772 (struct cpp_reader): Add spec_nodes field.
9773 (cpp_idcmp): Now cpp_ideq; takes a token * and a char *.
9775 * cpphash.h (struct spec_nodes): New.
9776 (enum spell_type): Reorder. Only SPELL_STRING tokens use
9777 val.str. All references to 'spelling > SPELL_NONE' updated to
9780 (CPP_IN_SYSTEM_HEADER): Check pfile->buffer and
9781 pfile->buffer->inc are not NULL before dereferencing them.
9783 * cpplex.c (parse_name): Take a pointer to the current token,
9784 plus current position and limit as args; return the new
9785 position; don't copy the text of a name into the string
9786 buffer, instead call cpp_lookup and store the node pointer.
9787 If extending a token, copy out the text of the old into a
9788 scratch buffer, append the new, look that up and store the new
9789 node pointer. Inline.
9790 (maybe_paste_with_next): If the result of paste is a NAME,
9791 then look up the pasted text and store its node pointer.
9792 (lex_line): Adjust for new parse_name interface.
9793 Check for L"str", L'str' using spec_nodes->n_L.
9794 (spell_token): SPELL_IDENT tokens have their spelling in
9795 val.node->name. Handle SPELL_STRING tokens that don't have
9797 (_cpp_expand_name_space,
9798 (can_paste): Check for L ## "str" using spec_nodes->n_L.
9799 (cpp_get_token, special_symbol): No need to call cpp_lookup.
9800 (cpp_idcmp): Now cpp_ideq; take a token * and a const char *;
9801 return 1=equal 0=not, not a tristate.
9803 * cpphash.c (var_args_str): Delete.
9804 (find_param): Compare node fields directly.
9805 (is__va_args__): Use CPP_PEDANTIC. Just compare
9806 token->val.node with spec_nodes->n__VA_ARGS__.
9807 (dump_funlike_macro): Don't use var_args_str.
9809 * cpplib.c (_cpp_check_directive): Just walk through
9810 spec_nodes->dirs comparing pointers.
9811 (get_define_node, do_pragma_poison, detect_if_not_defined,
9812 parse_ifdef): The identifier has already been looked up.
9813 (do_ifdef, do_ifndef): parse_ifdef won't return a poisoned
9815 (do_if): Only call detect_if_not_defined at beginning of file.
9816 (_cpp_parse_assertion): Only copy string pointers for
9817 SPELL_STRING tokens.
9818 (pragma_dispatch): Take a node pointer and examine its name
9820 (_cpp_init_stacks): Also initialize the spec_nodes structure.
9822 * cppinit.c (cpp_reader_init): Call _cpp_init_stacks after
9824 (cpp_cleanup): Free pfile->spec_nodes. Call _cpp_cleanup_* in
9825 reverse order from the corresponding _cpp_init_* routines.
9827 * cppexp.c (parse_number, parse_charconst, parse_defined,
9828 lex): Check val.node->type instead of calling cpp_defined.
9829 Use spec_nodes entries where appropriate.
9831 * fix-header.c, scan-decls.c: Update for interface changes.
9833 2000-07-08 Geoffrey Keating <geoffk@cygnus.com>
9835 * config/rs6000/rs6000.c (rs6000_emit_move): Fix conditions for
9836 emitting aux_truncdfsf2.
9838 2000-07-03 Donn Terry (donnte@microsoft.com)
9840 * cppinit.c (print_help): split overlong line into ISO C89
9843 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
9845 * cppexp.c: Update all code for new lexer interface.
9846 (op_t, operator codes, struct token, tokentab2, op_to_str): Remove.
9847 (struct suffix, vsuf_1, vsuf_2, vsuf_3, op_to_prio): New.
9848 * cpplex.c (token_names): Trim leading CPP_ from names; make
9849 the strings unsigned.
9850 (_cpp_spell_operator): New.
9851 (is_macro_disabled): Disable all macros if rescanning
9853 (_cpp_get_directive_token): Remove.
9855 * cppinit.c: Don't set no_macro_expand.
9856 * cpplib.c (read_line_number, do_line): Check only for EOF,
9858 * cpphash.h: Update prototypes.
9859 * cpplib.h (CPP_VSPACE): Remove.
9860 (struct cpp_reader): Remove no_macro_expand.
9862 2000-07-08 Neil Booth <NeilB@earthling.net>
9864 * cpphash.c (is__va_args__): New function.
9865 (count_params): Fix line reported in error messages. Use
9866 is__va_args__. Don't return ')' on error. Flag GNU style
9867 rest args macro definitions.
9868 (parse_define): Check macro name is not __VA_ARGS__.
9869 (save_expansion): Check identifier in non-varargs-macro is
9870 not __VA_ARGS__. Don't flag GNU_VARARGS.
9871 * cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS.
9872 (maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather
9873 than per-token GNU_VARARGS.
9874 * cpplib.h (GNU_VARARGS): Remove.
9875 (GNU_REST_ARGS): New.
9877 Sat Jul 8 01:38:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
9879 * i386.md (call_pop, call, call_value_pop): Do not set
9880 current_function_uses_pic_offset_table for calls to static
9881 functions or indirect calls.
9883 2000-07-07 Jim Wilson <wilson@cygnus.com>
9885 * config/ia64/ia64.c (rws_access_reg): New local write_count. If
9886 is_predicate_reg, then take max write_count of register pair.
9888 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9890 * tradcpp.c (main): Rename label `include' to `add_include' to
9891 avoid conflicts with variable `include' in traditional C.
9893 2000-07-07 Jakub Jelinek <jakub@redhat.com>
9895 * integrate.c (copy_insn_list): Remove REG_LABEL notes.
9897 2000-07-07 Jakub Jelinek <jakub@redhat.com>
9899 * sibcall.c (uses_addressof): Add INMEM argument, check for
9900 current_function_internal_arg_pointer outside of MEM rtxs in addition
9902 (sequence_uses_addressof): Update caller.
9904 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
9906 * tradcpp.c (initialize_builtins): Honor NO_BUILTIN_SIZE_TYPE
9909 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9911 * system.h (UNION_INIT_ZERO): New macro for initializing union
9914 * cpplex.c (placemarker_token, eof_token): Use UNION_INIT_ZERO.
9916 2000-07-07 Neil Booth <NeilB@earthling.net>
9920 Fri Jul 7 07:47:35 2000 Jeffrey A Law (law@cygnus.com)
9922 * final.c (final): Detect out of bounds array access to
9923 the insn_lengths array.
9925 2000-07-07 Kazu Hirata <kazu@hxi.com>
9927 * fold-const.c (fold): Fix a comment typo.
9929 2000-07-07 Neil Booth <NeilB@earthling.net>
9931 * cpp.texi: Update to new lexer.
9933 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
9935 * tradcpp.c: New file.
9936 * tradcif.y: New file.
9937 * tradcif.c: New generated file.
9939 * Makefile.in: Add rules to build tradcpp.o, tradcif.o,
9940 $(srcdir)/tradcif.c. Add tradcpp to STAGESTUFF and
9941 dependencies of C. Install tradcpp from install-common, in
9944 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
9946 * cppinit.c: Include cppdefault.h. Refer to
9947 cpp_GCC_INCLUDE_DIR and cpp_GCC_INCLUDE_DIR_len, not directly
9948 to GCC_INCLUDE_DIR and its length.
9949 (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
9950 USER_LABEL_PREFIX, REGISTER_PREFIX, struct default_include,
9951 STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT): Move to
9953 (include_defaults_array): Move to cppdefault.c.
9955 * cppdefault.h: New file.
9956 * cppdefault.c: New file.
9958 * Makefile.in (LIBCPP_OBJS): Add cppdefault.o.
9959 (cppinit.o): Don't apply $(PREPROCESSOR_DEFINES) to this file.
9960 (cppdefault.o): New rule; apply $(PREPROCESSOR_DEFINES) to
9963 Thu Jul 6 18:30:36 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9965 * reload.c (push_reload): When seeing if can reuse a register,
9966 check extra registers against widest of INMODE and OUTMODE.
9968 2000-07-06 Neil Booth <NeilB@earthling.net>
9970 * cpplib.c: (_cpp_parse_assertion): Perform hash lookups
9971 based on full length of predicate.
9973 2000-07-06 Hans-Peter Nilsson <hp@axis.com>
9975 * timevar.c: [HAVE_SYS_RESOURCE_H]: Include <sys/resource.h>.
9976 [NEED_DECLARATION_GETRUSAGE]: Declare getrusage.
9978 2000-07-05 Kazu Hirata <kazu@hxi.com>
9980 * h8300-proto.h: Fix formatting.
9981 * h8300.c: Likewise.
9982 * h8300.h: Likewise.
9984 2000-07-05 Jim Wilson <wilson@cygnus.com>
9986 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): If FR_REGNO_P, disallow
9989 2000-07-05 Rodney Brown <RodneyBrown@pmsc.com>
9991 * invoke.texi: Fix minor typos
9992 * md.texi: Fix minor typos
9994 2000-07-05 Zack Weinberg <zack@wolery.cumb.org>
9996 * cpplib.c (_cpp_parse_assertion): Fix buffer overrun.
9998 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
10000 * cpplex.c: Don't include sys/mman.h.
10001 (cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.
10003 * cpplib.c: Include sys/mman.h and obstack.h.
10004 (cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
10006 (cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
10007 (_cpp_unwind_if_stack): Now static, unwind_if_stack. Don't
10008 bother freeing if stack entries (they will be freed with their buffer).
10009 (do_endif): Free if stack entries from the buffer obstack.
10010 (push_conditional): Allocate if stack entries from the buffer obstack.
10012 (find_answer): Rename to _cpp_find_answer.
10013 (do_assert, do_unassert): Update.
10015 * cpphash.h: Update prototypes.
10016 (xobnew): New convenience macro.
10017 * cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
10019 (struct cpp_hashnode): Remove disabled field.
10021 * cppinit.c: Don't include hashtab.h or splay-tree.h.
10022 (report_missing_guard): Moved to cppfiles.c.
10023 (cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
10025 (cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
10026 cpp_cleanup_includes. Don't destroy hashtab or
10027 all_include_files here.
10028 (cpp_finish): Use _cpp_report_missing_guards.
10030 * cppfiles.c (report_missing_guard): Moved from cppinit.c.
10031 (_cpp_init_include_table): Rename _cpp_init_includes.
10032 (_cpp_cleanup_includes, _cpp_report_missing_guards): New.
10034 * cppexp.c (parse_assertion): Update for new name of
10037 * Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.
10039 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
10041 * cpplib.c (do_ident): s/VSPACE/EOF/
10043 2000-07-05 Neil Booth <NeilB@earthling.net>
10045 * cpplex.c: Fix trigraph replacement within strings.
10047 2000-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10049 * rs6000/aix.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier.
10051 * xcoffout.c (assign_type_number): Constify.
10052 (xcoffout_source_file): Add static prototype. Don't needlessly
10053 cast away const-ness.
10055 2000-07-04 Jason Merrill <jason@redhat.com>
10057 * frame.h (frame_state): Move base_offset to end.
10059 Mon Jul 3 21:31:43 2000 Clinton Popetz <cpopetz@cygnus.com>
10061 * calls.c (emit_library_call_value_1): Revert previous change.
10063 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
10065 * fix-header.c (struct partial_proto): Remove unnecessary fields.
10066 (recognized_extern, recognized_function, read_scan_file):
10067 Update for new scheme.
10068 (check_protection): It's still a multiple include guard even
10069 if it doesn't always trigger.
10070 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
10072 * scan.h: Declare struct cpp_token. Update prototypes.
10074 2000-07-03 Neil Booth <neilb@earthling.net>
10075 Zack Weinberg <zack@wolery.cumb.org>
10077 Complete overhaul of the lexer and macro expander.
10079 * cpphash.c (object_defn, funct_defn, push_macro_expansion,
10080 arg, arglist, argdata, reflist, collect_objlike_expansion,
10081 collect_funlike_expansion, collect_params,
10082 warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat,
10083 unsafe_chars, macarg, compare_defs, special_symbol,
10084 scan_arguments, stringify, funlike_macroexpand,
10085 _cpp_quote_string, monthnames): Delete.
10086 (cpp_lookup, _cpp_free_definition, dump_funlike_macro,
10087 _cpp_create_definition, _cpp_dump_definition,
10088 dump_hash_helper): Adjust.
10089 (find_param, count_params, parse_define, var_args_str,
10090 check_macro_redefinition, save_expansion): New.
10092 * cpplex.c (skip_block_comment, skip_line_comment, parse_name,
10093 parse_string, output_line_command, trigraph_replace,
10094 lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens,
10095 cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist,
10096 cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer,
10097 _cpp_skip_rest_of_line): Modify.
10099 (maybe_macroexpand, skip_comment, copy_comment, skip_string,
10100 find_position, null_warning, bump_column, expand_name_space,
10101 pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist,
10102 _cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace,
10103 _cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token,
10104 _cpp_prescan): Delete.
10106 (dump_param_spelling, process_directive, lex_next,
10107 is_macro_disabled, stringify_arg, expand_context_stack,
10108 output_token, make_string_token, alloc_number_token,
10109 special_symbol, duplicate_token, maybe_paste_with_next,
10110 can_paste, prevent_macro_expansion, restore_macro_expansion,
10111 get_temp_token, release_temp_tokens, quote_string,
10112 token_names, token_spellings, _cpp_expand_name_space,
10113 _cpp_glue_header_name, _cpp_reserve_name_space,
10114 digraph_spellings, trigraph_ok, skip_whitespace, save_comment,
10115 placemarker_token, eof_token, cpp_context, macro_args,
10116 get_raw_token, parse_arg, parse_args, save_token,
10117 push_arg_context, push_macro_context, pop_context,
10118 do_pop_context, free_macro_args, _cpp_get_line,
10119 _cpp_run_directive): New.
10121 * cpplib.c (validate_else, parse_include, push_conditional,
10122 pass_thru_directive, read_line_number, parse_ifdef,
10123 detect_if_not_defined, _cpp_check_directive, do_define,
10124 do_undef, do_include, do_import, do_include_next, do_error,
10125 do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas,
10126 top_pragmas, do_pragma_gcc, do_pragma_implementation,
10127 do_pragma_poison, do_pragma_system_header,
10128 do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else,
10129 dl_elif, do_endif, _cpp_unwind_if_stack, do_assert,
10130 do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert,
10131 cpp_defined): Update for new scheme.
10132 (strtoul_for_line, get_define_node, dump_macro_name,
10133 _cpp_check_linemarker, _cpp_parse_assertion): New.
10134 (_cpp_handle_directive, do_pragma_default): Delete.
10136 * cpphash.h (struct predicate): Now struct answer.
10137 (enum spell_type, struct token_spelling, struct directive,
10138 directive_handler): New.
10139 Update prototypes. Remove unused macros.
10140 * cpplib.h: Update prototypes. Remove unused macros,
10141 structure definitions, and fields.
10143 * cpperror.c (print_containing_files, v_message): Adjust.
10144 * cppexp.c (parse_assertion, lex, parse_escape,
10145 _cpp_parse_expr): Adjust.
10146 * cppfiles.c (open_include_file, _cpp_execute_include,
10147 _cpp_compare_file_date, cpp_read_file, read_include_file):
10149 * cppinit.c (dump_special_to_buffer): Delete.
10150 (append_include_chain, merge_include_chains, cpp_reader_init,
10151 cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read,
10152 cpp_finish, handle_option, print_help): Adjust.
10153 * cppmain.c (main): Adjust.
10155 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
10157 * cppspec.c (lang_specific_driver): Use double quotes in error
10160 Mon Jul 3 16:53:43 2000 Clinton Popetz <cpopetz@cygnus.com>
10162 * calls.c (emit_library_call_value_1): Use valreg instead
10163 of hard_libcall_value.
10165 2000-07-03 Geoff Keating <geoffk@cygnus.com>
10167 * config/rs6000/rs6000.c (rs6000_emit_move): New function.
10168 * config/rs6000/rs6000-proto.h: Prototype rs6000_emit_move.
10169 * config/rs6000/rs6000.md (movsi): Use rs6000_emit_move.
10177 * expmed.c (expand_mult_highpart): Use op1 instead of wide_op1 when
10178 mode instead of wider_mode is being used.
10180 2000-07-03 Jakub Jelinek <jakub@redhat.com>
10182 * config/i386/i386.md (movstrictqi_xor): Use 'q' constraint instead
10183 of 'r'. Use q_regs_operand.
10184 (andsi_1+2): Use q_regs_operand.
10186 2000-07-03 Jakub Jelinek <jakub@redhat.com>
10188 * builtins.c (get_memory_rtx): Always put into alias set 0.
10190 2000-07-03 Nick Clifton <nickc@cygnus.com>
10192 * config/arm/arm.md: Fix post increment and pre increment
10193 peepholes so that they do not generate UNPREDICATBLE opcodes.
10194 (ie ones where the increment clobbers the source/destination).
10196 2000-07-01 Marek Michalkiewicz <marekm@linux.org.pl>
10198 * config/avr/avr.c (out_adj_frame_ptr): Make "frame pointer
10199 change too big for -mtiny-stack" a warning, if larger than 63.
10200 (out_set_stack_ptr): Change the logic so -mno-interrupts is
10201 always safe to use on possible future devices.
10202 (function_prologue): Write SPH before SPL, for consistency.
10203 If interrupt_func_p true, we know we have enabled interrupts.
10204 (avr_num_arg_regs): New function. Round up to even number of
10205 bytes if no -mpack-args or if calling a libgcc function.
10206 (function_arg, function_arg_advance): Use it.
10207 (output_movsisf, ashlsi3_out, ashrsi3_out, lshrsi3_out):
10208 Output "movw" if available.
10209 (out_tsthi, out_tstsi, ashlqi3_out, lshrqi3_out): Change uses
10210 of TEST_HARD_REG_CLASS macro to test_hard_reg_class function.
10211 (asm_output_section_name): Add blanks for consistent output.
10212 (encode_section_info): Set TREE_READONLY for progmem data to
10213 avoid gas warnings about changed section attributes.
10214 (avr_hard_regno_mode_ok): Force non-QImode data to start in
10215 even numbered registers on devices with "movw".
10216 * config/avr/avr.h (MASK_*): Define bits for target_flags.
10217 (TARGET_SWITCHES): Mark help strings for translation.
10218 Add new -mpack-args and -menhanced switches.
10219 (TARGET_OPTIONS): Mark help strings for translation.
10220 (progmem_section): Add section attributes.
10221 * config/avr/avr.md (*movhi, call_insn, call_value_insn):
10222 Output "movw" if available.
10223 (mulqi3, mulqihi3, umulqihi3, mulhi3, *tablejump_enh):
10225 * config/avr/libgcc.S (_mulqi3, _divqi3): Update to the new
10226 call convention (arguments aligned on even registers).
10227 (_cleanup, _exit): Make weak symbols libc can override.
10229 2000-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10231 * fp-bit.h: New file.
10233 * fp-bit.c: Move common code, prototypes, etc into fp-bit.h.
10234 Comment #endif statements.
10235 (__thenan_sf, __thenan_df): Add missing braces around initializer.
10237 Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
10239 * gcse.c (compute_pre_data): Compute ae_kill using other local
10240 properties instead of calling compute_ae_kill.
10242 * alias.c (init_alias_analysis): Do not call
10243 prologue_epilogue_contains until after reload has completed.
10245 2000-07-02 Benjamin Chelf <chelf@codesourcery.com>
10247 * c-common.h (genrtl_begin_compound_stmt): Remove declaration.
10248 (genrtl_finish_compound_stmt): Likewise.
10249 (genrtl_compound_stmt): Change to return void.
10251 * c-semantics.c (genrtl_begin_compound_stmt): Remove function and
10252 move code from here to ...
10253 (genrtl_compound_stmt): ... here.
10254 (genrtl_finish_compound_stmt): Remove.
10255 (expand_stmt): Add comment.
10257 2000-07-02 Zack Weinberg <zack@wolery.cumb.org>
10259 * c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P
10262 2000-07-02 Jakub Jelinek <jakub@redhat.com>
10264 * cpplib.h (struct cpp_reader): New field include_depth.
10265 (struct cpp_printer): Rename last_bsd to last_id.
10266 * cppfiles.c (read_include_file): Bump include_depth.
10267 * cpplex.c (cpp_pop_buffer): Decrement include_depth.
10268 (output_line_command): Output correct #line if a header
10269 is including itself and is not protected against multiple inclusion.
10270 Use include_depth instead of buffer_stack_depth, last_id instead of
10272 * cppinit.c (cpp_start_read): Initialize last_id instead of
10275 2000-07-01 Benjamin Chelf <chelf@codesourcery.com>
10277 * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
10278 (c-semantics.o): New target.
10280 * c-common.h (TREE_LANG_FLAG_?): Added documentation.
10281 (genrtl_do_pushlevel): Moved from cp/cp-tree.h.
10282 (genrtl_clear_out_block): Likewise.
10283 (genrtl_goto_stmt): Likewise.
10284 (genrtl_expr_stmt): Likewise.
10285 (genrtl_decl_stmt): Likewise.
10286 (genrtl_if_stmt): Likewise.
10287 (genrtl_while_stmt): Likewise.
10288 (genrtl_do_stmt): Likewise.
10289 (genrtl_return_stmt): Likewise.
10290 (genrtl_for_stmt): Likewise.
10291 (genrtl_break_stmt): Likewise.
10292 (genrtl_continue_stmt): Likewise.
10293 (genrtl_scope_stmt): Likewise.
10294 (genrtl_switch_stmt): Likewise.
10295 (genrtl_case_label): Likewise.
10296 (genrtl_begin_compound_stmt): Likewise.
10297 (gerntl_finish_compound_stmt): Likewise.
10298 (genrtl_compound_stmt): Likewise.
10299 (genrtl_asm_stmt): Likewise.
10300 (genrtl_decl_cleanup): Likewise.
10301 (DECL_ANON_UNION_ELEMS): Likewise.
10302 (emit_local_var): Likewise.
10303 (make_rtl_for_local_static): Likewise.
10304 (expand_cond): Likewise.
10305 (expand_stmt): Likewise.
10306 (c_expand_return): Likewise.
10307 (c_expand_start_case): Likewise.
10308 (do_case): Likewise.
10309 (COMPOUND_STMT_NO_SCOPE): Likewise.
10310 (c_expand_asm_operands): Likewise.
10311 (NEW_FOR_SCOPE_P): New macro.
10312 (expand_expr_stmt_fn): New type.
10314 (set_current_function_name_declared): Likewise.
10315 (current_function_name_declared): Likewise.
10316 (lang_expand_stmt): Likewise.
10317 (stmts_are_full_exprs_p): Likewise.
10318 (anon_aggr_type_p): Likewise.
10319 (lang_expand_expr_stmt): Likewise.
10320 (build_case_label): Likewise.
10322 * c-decl.c (lang_expand_expr_stmt): Initialize.
10323 (stmts_are_full_exprs_p): Define.
10324 (current_function_name_declared): Likewise.
10325 (do_case): Likewise.
10326 (lang_expand_stmt): Likewise.
10327 (set_current_function_name_declared): Likewise.
10328 (anon_aggr_type_p): Likewise.
10330 * c-semantics.c: New file.
10331 (expand_cond): Moved from cp/semantics.c.
10332 (genrtl_do_pushlevel): Likewise.
10333 (genrtl_clear_out_block): Likewise.
10334 (genrtl_goto_stmt): Likewise.
10335 (genrtl_expr_stmt): Likewise.
10336 (genrtl_decl_stmt): Likewise.
10337 (genrtl_if_stmt): Likewise.
10338 (genrtl_while_stmt): Likewise.
10339 (genrtl_do_stmt): Likewise.
10340 (genrtl_return_stmt): Likewise.
10341 (genrtl_for_stmt): Likewise.
10342 (genrtl_break_stmt): Likewise.
10343 (genrtl_continue_stmt): Likewise.
10344 (genrtl_scope_stmt): Likewise.
10345 (genrtl_switch_stmt): Likewise.
10346 (genrtl_case_label): Likewise.
10347 (genrtl_begin_compound_stmt): Likewise.
10348 (genrtl_finish_compound_stmt): Likewise.
10349 (genrtl_compound_stmt): Likewise.
10350 (genrtl_asm_stmt): Likewise.
10351 (genrtl_decl_cleanup): Likewise.
10352 (make_rtl_for_local_static): Moved from cp/decl.c.
10353 (emit_local_var): Likewise.
10354 (expand_stmt): Define.
10356 * c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
10357 (c_expand_return): Likewise.
10358 (c_expand_start_case): Likewise.
10360 2000-07-01 Richard Henderson <rth@cygnus.com>
10362 * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
10363 with the low 13 bits set.
10364 (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
10365 * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one
10366 of the low 13 bits into a CONST plus an adddi3.
10367 (load_symptr): Set RTX_UNCHANGING_P.
10369 See ChangeLog.3 for earlier changes.