1 2000-10-31 Chris Demetriou <cgd@sibyte.com>
3 * libgcc2.c (__shtab): Remove __shtab variable.
4 * libgcc-std.ver (GCC_3.0): Remove __shtab from symbol list.
5 * Makefile.in (LIB2FUNCS): Remove _shtab from list of library
8 2000-10-31 Jim Wilson <wilson@redhat.com>
10 * defaults.h (ASM_OUTPUT_DEBUG_LABEL): New.
11 * tm.texi (ASM_OUTPUT_DEBUG_LABEL): Document.
12 * dwarf2out.c (dwarf2out_begin_block): Use ASM_OUTPUT_DEBUG_LABEL
13 instead of ASM_OUTPUT_INTERNAL_LABEL.
14 (dwarf2out_end_block, dwarf2out_label): Likewise.
15 * final.c (final_scan_insn, case NOTE_INSN_DELETED_LABEL): Likewise
16 * config/ia64/ia64.h (ASM_OUTPUT_DEBUG_LABEL): Define.
18 2000-10-31 Richard Henderson <rth@redhat.com>
20 * dwarf2out.c (struct dw_loc_descr_struct): Add dw_loc_addr.
21 (size_of_locs): Set it.
22 (output_loc_operands): Use it to compute branch displacement.
23 (int_loc_descriptor): New.
24 (mem_loc_descriptor): Dereference memory in the proper size.
25 Use DW_OP_plus_uconst when possible. Use int_loc_descriptor.
26 (loc_descriptor_from_tree): New.
27 (rtl_for_decl_location): Break out from ...
28 (add_location_or_const_value_attribute): ... here.
29 (add_bound_info): Use loc_descriptor_from_tree.
31 2000-10-31 Neil Booth <neilb@earthling.net>
33 * cpp.texi: Update for new command line assertion syntax.
34 * cpplib.c (cpp_define): Simplify a bit.
35 (cpp_assert, cpp_unassert): Use handle_assertion.
36 (handle_assertion): New function; accept new command line
38 * testsuite/gcc.dg/cpp/assert3.c: New tests.
40 2000-10-31 Neil Booth <neilb@earthling.net>
42 * cppmacro.c (STDC_0_IN_SYSTEM_HEADERS): Define to 0 if
43 undefined. Remove #ifdef check.
44 * config/i386/sol2.h, config/rs6000/sol2.h, config/sparc/sol2.h:
45 Define STDC_0_IN_SYSTEM_HEADERS to 1.
47 2000-10-31 Jan Hubicka <jh@suse.cz>
48 Jakub Jelinek <jakub@redhat.com>
50 * config/i386/i386.h: Clarify CCNOmode description in comment.
51 (EXTRA_CC_MODES): Remove CCRCmode.
52 * config/i386/i386.c (ix86_comparison_operator): Remove CCRCmode.
53 (put_condition_code, ix86_match_ccmode): Likewise.
54 (ix86_cc_mode): Likewise. Fix comment.
55 (ix86_expand_strlensi_unroll_1): *rc patterns are gone.
56 * config/i386/i386.md: Add unspec 12 description.
57 (adddi3 split): Use unspec 12 instead of CCRCmode.
58 (addsi3_carry_rc): Remove.
59 (addsi3_cc, addqi3_cc): New patterns.
60 (addsi_3): Swap operands, match CCZmode.
62 (addsi_5): Renamed from addsi_6.
64 (addhi_3): Swap operands, match CCZmode.
66 (addhi_5): Renamed from addhi_6.
68 (addqi_3): Swap operands, match CCZmode.
70 (addqi_5): Renamed from addqi_6. Use =q constraint for clobber.
71 (subsi3_carry_rc): Removed.
72 (iorqi_3): Use =q constraint for clobber.
73 (xorqi_cc_2): Likewise.
74 (negdi2_1 split): Don't use CCRCmode, use ltu instead of gtu.
75 (x86_movsicc_0_m1_rc): Removed.
76 (cmp?i peepholes): Remove neg. Use CCGCmode instead of CCRCmode.
78 2000-10-31 Joseph S. Myers <jsm28@cam.ac.uk>
80 * c-typeck.c (build_unary_op): If pedantic, pedwarn for increment
81 and decrement of complex types.
83 2000-10-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
85 * builtins.c (expand_builtin_fputs): When deleting NOP calls to
86 builtin fputs, ensure we still evaluate the stream in case it
89 2000-10-31 Jakub Jelinek <jakub@redhat.com>
91 * expr.c (do_store_flag): Pass operand_mode instead of GET_MODE (op0)
94 Tue Oct 31 15:33:27 2000 J"orn Rennecke <amylaar@redhat.com>
96 * sh-protos.h (reg_no_subreg_operand, emit_fpscr_use): Don't declare.
97 (fp_extended_operand, emit_fpscr_use): Likewise.
98 * sh.c (reg_no_subreg_operand, fp_extended_operand): Delete functions.
99 (fpul_operand): New function.
100 * sh.h (PREDICATE_CODES): Remove reg_no_subreg_operand and
101 fp_extended_operand. Add fpul_operand.
102 * sh.md (mulsf3, mulsf3_i4): Use fp_arith_reg_operand for "f" operands.
103 (mulsf3_ie, macsf3, cmpgtsf_t, cmpeqsf_t, ieee_ccmpeqsf_t): Likewise.
104 (cmpgtsf_t_i4, cmpeqsf_t_i4, ieee_ccmpeqsf_t_4, negsf2): Likewise.
105 (negsf2_i, sqrtsf2, sqrtsf2_i, abssf2, abssf2_i, adddf3): Likewise.
106 (adddf3_i, subdf3, subdf3_i, muldf3, muldf3_i, divdf3): Likewise.
107 (divdf3_i): Likewise.
108 (floatsisf2): Likewise. Use fpul_operand for 'y' operand.
109 (floatsisf2_i4, floatsisf2_ie, fix_truncsfsi2): Likewise.
110 (fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i): Likewise.
111 (fix_truncdfsi2, fix_truncdfsi2_i, extendsfdf2): Likewise.
112 (extendsfdf2_i4, truncdfsf2, truncdfsf2_i4): Likewise.
114 2000-10-31 Bernd Schmidt <bernds@redhat.co.uk>
116 * config/i386/i386.c (ix86_init_builtins): Correct return type
117 building v4hi_ftype_v4hi_int_int tree node.
118 (ix86_expand_builtin): Use correct operand numbers 0 and 1.
119 Copy operand 0 into a Pmode register, don't generate a MEM rtx.
121 * config/i386/i386.md (sse_movntdi): Use mmx register constraint
123 (mmx__uavgv8qi3): Correct insn mnemonic.
124 (mmx_psadbw): Correct insn mnemonic. Use V8QI mode for operands 1 and 2.
125 (mmx_punpckhwd): Correct insn mnemonic.
126 (mmx_punpckhdq): Likewise.
127 (mmx_punpcklwd): Likewise.
128 (mmx_punpckldq): Likewise.
129 (prefetch): Use immediare_operand and 'n' constraint for operand 1.
130 Renumber case labels to match the _mm_prefetch constants defined in
133 * recog.c (split_all_insns): Don't try to call cleanup_subreg_operands
134 if the splitter didn't emit new insns.
135 Make sure we call cleanup_subreg_operands even when splitting the last
136 insn in a basic block.
138 * invoke.texi (Debugging Options): Describe -do.
139 * toplev.c (enum_dump_file_index): New entry DFI_postreload.
140 (dump_file): Likewise.
141 (rest_of_compilation): Split .greg dump into .greg and .postreload.
143 2000-10-30 Neil Booth <neilb@earthling.net>
145 * cppfiles.c (stack_include_file): Check for stacked contexts
147 * cpphash.h (_cpp_do__Pragma): New prototype.
148 * cppinit.c (cpp_reader_init): Add _Pragma keyword to hash table.
150 * cpplex.c (skip_escaped_newlines): Only process trigraphs and
151 escaped newlines if !(buffer->from_stage3).
152 (_cpp_lex_token): Warn about missing newlines iff
153 !buffer->from_stage3.
155 * cpplib.c (get__Pragma_string, destringize,
156 _cpp_do__Pragma): New functions.
157 (run_directive): Set output_line for _Pragma to avoid line
158 markers in output. Set from_stage3 and prevent macro expansion
159 for _Pragma and command-line options. Check buffer exhaustion.
160 (cpp_push_buffer): Don't check for stacked macro contexts, as
161 this is perfectly legitimate for _Pragma. Move the check to
162 stack_include_file instead. Set from_stage3 iff buffer is
165 * cpplib.h (struct cpp_buffer): Make warned_cplusplus_comments
166 unsigned. New boolean from_stage3.
167 (struct spec_nodes): Add n__Pragma.
169 * cppmacro.c (enter_macro_context): Flip sense of return value.
170 (_cpp_get_token): Handle _Pragma operator.
172 2000-10-30 Phil Edwards <pme@sources.redhat.com>
174 * gcc.texi: The C++ standard isn't "draft" anymore.
176 2000-10-30 Mark Mitchell <mark@codesourcery.com>
178 * cppmacro.c (builtin_macro): Use NT_VOID, not T_VOID.
180 2000-10-29 Neil Booth <neilb@earthling.net>
182 * cpplib.c (skip_rest_of_line): Use _cpp_get_token.
184 2000-10-29 Joseph S. Myers <jsm28@cam.ac.uk>
186 * toplev.c, flags.h, fold-const.c, real.c, rtl.c,
187 fixinc/inclhack.def: Change comments mentioning C9X to refer to
190 * invoke.texi: Document that -V will only work for very similar
191 versions of driver and compiler.
193 2000-10-29 Neil Booth <neilb@earthling.net>
195 * cppmacro.c (_cpp_create_definition): Optimize the case of
196 a macro defined to itself.
198 2000-10-29 Neil Booth <neilb@earthling.net>
200 * cpplex.c (save_comment): Don't store new lines in C++ comments.
202 2000-10-29 Michael Hayes <mhayes@redhat.com>
204 * integrate.c (copy_insn_list): Copy the unchanging flag for calls.
206 2000-10-28 Geoffrey Keating <geoffk@cygnus.com>
208 * cpphash.c (cpp_forall_identifiers): Add context variable
209 for callback routine.
210 * cppmain.c (dump_macro): Update to match cpp_forall_identifiers
212 (main): Call cpp_forall_identifiers with null context.
213 * cpplib.h (cpp_forall_identifiers): Update prototype.
215 * cppmain.c: Make `parse_in' and `print' static.
217 2000-10-28 Alan Modra <alan@linuxcare.com.au>
219 * c-decl.c (finish_function): Clear c_function_name_declared_p.
221 2000-10-28 Richard Henderson <rth@redhat.com>
223 * regrename.c (scan_rtx_address): Frob action, not class,
224 when trying to disable optimization.
226 2000-10-28 Mark Mitchell <mark@codesourcery.com>
228 * c-semantics.c (make_rtl_for_local_static): Don't clobber
231 2000-10-28 Joseph S. Myers <jsm28@cam.ac.uk>
233 * configure.in: Determine and substitute gcc_version_full.
234 * configure: Regenerate.
235 * gccbug.in: Use it to give full version. Don't allow
238 2000-10-28 Richard Henderson <rth@redhat.com>
240 * recog.c (split_all_insns): Run cleanup_subreg_operands
243 * regrename.c (regrename_optimize): Verify that all registers of
244 a multiple register mode are available.
245 (scan_rtx_address): Accept the mode of the address; all callers
248 * cpplib.c (run_directive): Fix prototype.
250 2000-10-28 Bernd Schmidt <bernds@redhat.co.uk>
252 * reload.c (find_reloads): Distinguish "wins" so that we know whether
253 a given operand won because of a matching constraint or not; then use
254 that information to compute goal_alternative_matched properly.
255 * reload1.c (choose_reload_regs): Never set reload_override_in for an
258 * config/ia64/ia64.h (RTX_COSTS): A few more entries, and a more
259 accurate value for MULT.
260 * config/ia64/ia64.c (ia64_print_operand): Require probability to be
261 2% or > 98% before using static branch prediction bits.
263 2000-10-28 Neil Booth <neilb@earthling.net>
267 * cpplib.c (struct answer): New.
268 (struct if_stack): Use cpp_lexer_pos rather than line and col.
269 Rename cmacro mi_cmacro.
270 (struct directive, KANDR, STDC89, EXTENSION, COND, IF_COND, INCL,
271 IN_I): New directive and flags.
272 (skip_rest_of_line, check_eol, run_directive, glue_header_name,
273 parse_answer, parse_assertion, find_answer): New functions.
274 (parse_ifdef, detect_if_not_defined, validate_else): Remove.
275 (lex_macro_node): New function to replace parse_ifdef and
278 (_cpp_handle_directive): New function, combines _cpp_check_directive
279 and _cpp_check_linemarker.
281 (do_define, do_undef, parse_include, do_include, do_import,
282 do_include_next, read_line_number, do_line, do_ident, do_pragma,
283 do_pragma_once, do_pragma_poison, do_pragma_dependency):
284 Update for new token getting interface.
286 (do_ifdef, do_ifndef, do_if, do_else, do_endif, push_conditional)
287 : Update for new multiple-include optimisation technique.
288 (do_elif): Don't forget to invalidate controlling macros.
290 (unwind_if_stack, cpp_defined, cpp_push_buffer, cpp_pop_buffer): Update.
291 (parse_assertion, parse_answer, find_answer, _cpp_test_assertion):
292 Functions to handle assertions with the new token interface.
293 (do_assert, do_unassert): Use them.
295 (cpp_define, _cpp_define_builtin, cpp_undef, cpp_assert, cpp_unassert):
298 (_cpp_init_stacks): Register directive names. Don't register special
301 * cpperror.c (print_containing_files, _cpp_begin_message): Update to
302 new position recording regime.
303 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
304 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line,
305 cpp_pedwarn_with_file_and_line): Update for _cpp_begin_message changes.
306 (cpp_type2name): Move to cpplex.c.
308 * cppexp.c (parse_charconst): spec_nodes is no longer a pointer.
309 (parse_defined): Update to handle new multiple include optimisation
310 method. Remove poisoned identifier warning.
311 (parse_assertion, TYPE_NAME): Delete.
312 (lex): Update for multiple include optimisation, removal of
313 CPP_DEFINED, to use _cpp_test_assertion for assertions and
315 (_cpp_parse_expr): Update for MI optimisation, and to use op_as_text.
316 (op_as_text): New function, to wrap cpp_token_as_text.
318 * cppfiles.c (stack_include_file, _cpp_pop_file_buffer):
319 Update for MI optimisation.
320 (_cpp_execute_include): Take a token rather than 3 arguments. Fix
321 segfault on diagnostic.
322 (_cpp_compare_file_date): Take a token rather than 3 args.
323 (cpp_read_file): Work correctly for zero-length files.
325 * cpphash.c (_cpp_init_macros, _cpp_cleanup_macros): Rename
326 _cpp_init_hashtable and _cpp_cleanup_hashtable.
327 (cpp_lookup): Place identifiers at front of identifier pool
328 for _cpp_lookup_with_hash.
329 (_cpp_lookup_with_hash): Require identifiers to be at the front of
330 the identifier pool. Commit the memory if not already in the
333 * cppinit.c (cpp_reader_init): Move cpp_init_completed test to top.
334 Initialise various members of cpp_reader, memory pools, and the
336 (cpp_printer_init): Delete.
337 (cpp_cleanup): Update.
338 (struct builtin, builtin_array, initialize_builtins): Update for new
339 hashnode definition and builtin handling.
340 (cpp_start_read, cpp_finish): Don't take or initialise a
343 * cpplib.h (cpp_printer, cpp_toklist, CPP_DEFINED, BOL,
344 PASTED, VAR_ARGS, BEG_OF_FILE, IN_DIRECTIVE, KNOWN_DIRECTIVE,
345 T_VOID, T_SPECLINE, T_DATE, T_FILE, T_BASE_FILE, T_INCLUDE_LEVEL,
346 T_TIME, T_STDC, T_OPERATOR, T_POISON, T_MACRO, T_ASSERTION): Delete.
347 (struct cpp_pool, struct cpp_macro, struct cpp_lexer_pos,
348 struct cpp_lookahead, CPP_DHASH, enum mi_state, enum mi_ind,
349 NO_EXPAND, VARARGS_FIRST, struct cpp_token_with_pos,
350 struct toklist, struct cpp_context, struct specnodes,
351 TOKEN_LOOKAHEAD, TOKEN_BUFFSIZE, NODE_OPERATOR, NODE_POISONED,
352 NODE_BUILTIN, NODE_DIAGNOSTIC, NT_VOID, NT_MACRO, NT_ASSERTION,
353 enum builtin_type, cpp_can_paste): New.
354 (struct cpp_token): Delete line and col members.
355 (struct cpp_buffer): New member output_lineno.
356 (struct lexer_state): Delete indented, in_lex_line, seen_dot.
357 Add va_args_ok, poisoned_ok, prevent_expansion, parsing_args.
358 (struct cpp_reader): New members lexer_pos, macro_pos, directive_pos,
359 ident_pool, temp_string_pool, macro_pool, argument_pool, string_pool,
360 base_context, context, directive, mi_state, mi_if_not_defined,
361 mi_lexed, mi_cmacro, mi_ind_cmacro, la_read, la_write, la_unused,
362 mlstring_pos, macro_buffer, macro_buffer_len.
363 Delete members mls_line, mls_column, token_list, potential_control_macro,
364 temp_tokens, temp_cap, temp_alloced, temp_used, first_directive_token,
365 context_cap, cur_context, no_expand_level, paste_level, contexts, args,
366 save_parameter_spellings, need_newline, .
367 Change type of date, time and spec_nodes members.
368 Change prototypes for include and ident callbacks.
369 (struct cpp_hashnode): Change type of name. Remove union members
370 expansion and code. Add members macro, operator and builtin.
372 (cpp_token_len, cpp_token_as_text, cpp_spell_token, cpp_start_read,
373 cpp_finish, cpp_avoid_paste, cpp_get_token, cpp_get_line,
374 cpp_get_output_line, cpp_macro_definition, cpp_start_lookahead,
375 cpp_stop_lookahead): New prototypes.
376 (cpp_printer_init, cpp_dump_definition): Delete prototypes.
378 (U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr, ufputs):
381 * cpphash.h (U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr,
382 ufputs): Move to cpplib.h.
383 (enum spell_type, struct token_spelling, _cpp_token_spellings, TOKEN_SPELL,
384 TOKEN_NAME, struct answer, FREE_ANSWER, KANDR, STDC89, EXTENSION,
385 COND, EXPAND, INCL, COMMENTS, IN_I, struct directive, directive_handler,
386 struct spec_nodes, _cpp_digraph_spellings, _cpp_free_temp_tokens,
387 _cpp_init_input_buffer, _cpp_grow_token_buffer, _cpp_init_toklist,
388 _cpp_clear_toklist, _cpp_expand_token_space, _cpp_expand_name_space,
389 _cpp_equiv_tokens, _cpp_equiv_toklists, _cpp_process_directive,
390 _cpp_run_directive, _cpp_get_line, _cpp_get_raw_token, _cpp_glue_header_name,
391 _cpp_can_paste, _cpp_check_directive, _cpp_check_linemarker,
392 _cpp_parse_assertion, _cpp_find_answer): Delete.
393 (VALID_SIGN, ALIGN, POOL_FRONT, POOL_LIMIT, POOL_BASE, POOL_SIZE,
394 POOL_USED, POOL_COMMIT, struct cpp_chunk, _cpp_lex_token, _cpp_init_pool,
395 _cpp_free_pool, _cpp_pool_reserve, _cpp_pool_alloc, _cpp_next_chunk,
396 _cpp_lock_pool, _cpp_unlock_pool, _cpp_test_assertion,
397 _cpp_handle_directive, DSC): New.
398 (struct include_file): New member defined.
400 (DO_NOT_REREAD, _cpp_begin_message, _cpp_execute_include,
401 _cpp_compare_file_date): Update.
402 (_cpp_pop_context, _cpp_get_token, _cpp_free_lookaheads, _cpp_push_token): New.
403 (_cpp_init_macros, _cpp_cleanup_macros): Rename to _cpp_init_hashtable,
404 _cpp_cleanup_hashtable.
406 * Makefile.in: Remove cppoutput.c.
408 * cppoutput.c: Delete
410 * fixheader.c (read_scan_file): Update for new cpp_get_token
412 (recognized_function): New argument LINE.
414 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
415 new cpp_get_token prototype.
417 * scan.h (recognized_function): Update prototype.
419 * po/POTFILES.in: Remove cppoutput.c.
421 2000-10-27 Mark Mitchell <mark@codesourcery.com>
423 * c-typeck.c (check_init_type_bitfields): Remove.
424 (constructor_incremental): Likewise.
425 (struct constructor_stack): Remove incremental bit.
426 (struct initializer_stack): Likewise.
427 (start_init): Don't play with constructor_incremental.
428 (finish_init): Likewise.
429 (really_start_incremental_init): Likewise.
430 (push_init_level): Likewise.
431 (pop_init_level): Likewise.
432 (output_init_level): Likewise.
433 (output_pending_init_elements): Likewise.
435 2000-10-21 Mike Coleman <mcoleman2@kc.rr.com>
437 * c-pragma.c (handle_pragma_pack): Initialize align to -1.
438 Improve error messages. Correct parsing of
439 #pragma pack(pop [,id]). Do not check the user-supplied
440 alignment if we're popping.
442 * gcc.dg/pack-test-1.c: New test case.
443 * gcc.dg/pack-test-2.c: New test case.
444 * gcc.dg/pack-test-1.h: New file.
446 2000-10-27 Neil Booth <neilb@earthling.net>
450 2000-10-27 Kelley Cook <kelley.cook@home.com>
452 * invoke.texi: Document -mintel-syntax
454 2000-10-27 Richard Henderson <rth@redhat.com>
456 * invoke.texi: Document -frename-registers. Add it to -O3.
457 * toplev.c (rest_of_compilation): Run regrename before ifcvt2.
458 (enum dump_file_index, dump_file): Update order.
459 (main): Set flag_rename_registers at -O3.
461 2000-10-27 Richard Henderson <rth@redhat.com>
463 * config/alpha/alpha.h (enum reg_class): Add PV_REG.
464 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS): Update.
465 (REG_CLASS_FROM_LETTER): Assign it to 'c'.
466 * config/alpha/alpha.md (call_osf_1): Use it.
467 (call_value_osf_1): Likewise.
469 * config/ia64/ia64.c: Revert 10-23 patch.
470 (ia64_hard_regno_rename_ok): New.
471 * config/ia64/ia64-protos.h: Declare it.
472 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK): Use it.
474 2000-10-27 Bernd Schmidt <bernds@redhat.co.uk>
475 Richard Henderson <rth@redhat.com>
477 * regrename.c: Rewrite to handle multi-register modes and
478 cond_exec instructions.
479 * Makefile.in (regrename.o): Update dependancies.
480 * recog.h (struct operand_alternative): Add is_address.
481 * recog.c (preprocess_constraints) [case 'p']: Set it.
483 2000-10-27 Zack Weinberg <zack@wolery.stanford.edu>
485 * configure.in: If not NO_MINUS_C_MINUS_O, substitute
486 OUTPUT_OPTION with '-o $@'. Make zlibdir, zlibinc relative to
487 top level. Kill oldstyle_subdirs. Do not include
488 $srcdir/$s/Makefile.in in all_lang_makefiles, but do include
489 $outputs. Do not run configure.lang from config.status.
490 Rearrange warning-flag logic to correspond to what the
491 makefile wants. Put special vax stage1 options in
492 @stage1_flags@ not @stage1_warn_cflags@. Don't do anything
493 with extra_c_objs, extra_cxx_objs, or extra_cpp_objs.
494 (--enable-c-cpplib): AC_SUBST(maybe_cpplib) with "libcpp.a" if
495 switch is given, nothing otherwise.
496 * configure.lang: Delete.
498 * Makefile.in: Expunge all traces of extra_c_objs,
499 extra_cxx_objs, and extra_cpp_objs. Set MAYBE_CPPLIB from
500 @maybe_cpplib@. Add $(MAYBE_CPPLIB) to C_AND_OBJC_OBJS. Set
501 warning options via a three level scheme so that -pedantic and
502 -Wtraditional are not used for non-C front ends: LOOSE_WARN,
503 STRICT1_WARN, STRICT2_WARN -> $(@D)-warn, GCC_WARN_CFLAGS ->
504 WARN_CFLAGS. Distinguish STAGE1_CFLAGS from BOOT_CFLAGS.
505 Add -I$(@D) and -I$(srcdir)/$(@D) to INCLUDES.
506 Set OUTPUT_OPTION, ZLIB, ZLIBINC. Do not set P,
507 LANG_FLAGS_TO_PASS. Add OUTPUT_OPTION to all object-file
508 generation rules. Wrap all rules that change the current
509 directory in parentheses; pmake doesn't spawn a new shell for
510 each command. Expunge all references to $(P). When one
511 command depends on another and they're run all at once, use &&
512 to separate them, not ;. Add libgcc_s$(SHLIB_EXT) to files
513 deleted on make clean. Force OUTPUT_OPTION='-o $@' in stage2
516 * objc/Make-lang.in: Wrap all rules that change the current
517 directory in parentheses. Expunge all references to $(P).
518 When one command depends on another and they're run all at
519 once, use && to separate them, not ;. Add OUTPUT_OPTION to
520 all object-file generation rules. Delete obsolete variables.
521 * objc/Makefile.in: Delete.
523 2000-10-27 Jakub Jelinek <jakub@redhat.com>
525 * calls.c (expand_call): If sibcall_failure is set during pass 1,
526 clear tail_call_insns as well.
528 2000-10-27 Nick Clifton <nickc@redhat.com>
530 * config/arm/arm-protos.h (arm_function_ok_for_sibcall): Add
533 2000-10-26 Richard Henderson <rth@redhat.com>
535 * calls.c (expand_call): Supress sibcall if we have a
536 BLKmode return in registers.
538 2000-10-26 Bernd Schmidt <bernds@redhat.co.uk>
540 * ia64.h (PREFERRED_RELOAD_CLASS): Force floating point constants
543 2000-10-26 Nathan Sidwell <nathan@codesourcery.com>
545 * tree.c (make_node, case 't'): Set alignment to that of
547 * expr.c (move_by_pieces_ninsns): Abort if some length remains.
549 2000-10-25 Mark Mitchell <mark@codesourcery.com>
551 * Makefile.in (site.exp): Define HAVE_LIBSTDCXX_V3.
552 * configure.in (enable-libstdcxx-v3): Arrange to have
553 HAVE_LIBSTDCXX_V3 substituted into the output files.
555 2000-10-25 Richard Henderson <rth@redhat.com>
557 * recog.c (constrain_operands): Initialize which_alternative
558 before no alternatives early exit.
560 * cse.c (find_comparison_args): Check that we can reverse a
561 comparison if needed before accepting the substitution.
563 * reload.c (find_reloads_address_part): Kill rtx obstack hackery.
565 * simplify-rtx.c (simplify_relational_operation): Sign extend
566 low words before sign extending to high words.
568 2000-10-25 Nick Clifton <nickc@redhat.com>
570 * config/mcore/mcore.c: Include config.h before system.h.
572 2000-10-25 Ray Essick <essick@ddna.labs.mot.com>
574 * config/mcore/mcore.md (return): Force function epilogue to
575 always be generated to work around epilogue suppression bug in
578 2000-10-25 Joseph S. Myers <jsm28@cam.ac.uk>
580 * c-decl.c (grokdeclarator): Move warning for qualified void
581 return types with -pedantic to when the function type is
582 constructed. At -W, warn in general for qualified function return
583 types, except for volatile void.
584 * invoke.texi: Document this new warning at -W.
586 2000-10-25 Neil Booth <neilb@earthling.net>
588 * cpp.texi: Update with implementation-defined behavior and
591 2000-10-25 Jakub Jelinek <jakub@redhat.com>
593 * stor-layout.c (layout_type): If TYPE_ALIAS_SET was already set on the
594 incomplete type force it into alias set 0.
596 Wed Oct 25 01:02:44 EDT 2000 John Wehle (john@feith.com)
598 * alias.c: Include basic-block.h.
599 (loop_p): New function.
600 (mark_constant_function): Use it.
601 * Makefile.in (alias.o): Update dependencies.
603 2000-10-24 Aldy Hernandez <aldyh@redhat.com>
605 * config/mn10300/mn10300.c (secondary_reload_class): Treat pseudos
608 2000-10-24 Jim Wilson <wilson@cygnus.com>
610 * expmed.c (store_bit_field): Move integer pun code down after
611 code that calls emit_move_insn for entire register move.
612 * stor-layout.c (compute_record_mode): Revert Mar 25, Aug 18, and
613 Oct 20 changes. Only store mode in TYPE_MODE if RECORD_TYPE.
615 2000-10-24 Richard Henderson <rth@cygnus.com>
617 * rtlanal.c (rtx_unstable_p, rtx_varies_p): Don't consider pic
618 register stable if PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
620 2000-10-24 Aldy Hernandez <aldyh@redhat.com>
622 * gcse.c (cprop_insn): do not propagate constants into jump_insn
623 for machines with CC0 more than once.
625 2000-10-24 Richard Henderson <rth@cygnus.com>, Aldy <aldyh@cygnus.com>
627 * config/mn10300/mn10300.h (PREFERRED_RELOAD_CLASS): Treat
628 pseudos just like memory.
630 2000-10-24 Alexandre Oliva <aoliva@redhat.com>
632 * combine.c (distribute_notes): Discard REG_LIBCALL and REG_RETVAL
633 when deleting libcall sequence collapsed to a single instruction.
635 2000-10-24 Andrew Haley <aph@cygnus.co.uk>
637 * expr.c (do_store_flag): Don't crash if either side of a
638 comparison is error_mark_node.
640 2000-10-24 Jakub Jelinek <jakub@redhat.com>
642 * sibcall.c (purge_mem_unchanging_flag): New function.
643 (optimize_sibling_and_tail_recursive_calls): Call it.
645 2000-10-24 Philipp Thomas <pthomas@suse.de>
647 * Makefile.in (check-po): New target for doing checks in the po
648 subdir if all languages configured.
649 (CHECK_TARGETS): Add @CHECK_PO@, replaced with check-po via
650 configure if NLS is enabled.
651 * configure.in: If NLS is enabled, substitute CHECK_PO by check-po,
652 otherwise leave empty.
653 * configure: Regenerate.
655 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
657 * i386.c (print_operand): Handle new 'A' formatting code.
658 387 opcodes need suffixes even with -mintel-syntax.
659 Check for explicit size override (codes 'b', 'w' and 'k').
660 (print_operand_address): Check if register prefix is needed when
661 emitting `ds' segment override.
662 * i386.h: Add comment about new 'A' formatting code.
663 * i386.md (jump and call patterns): Emit absolute references using %A.
665 2000-10-23 Richard Henderson <rth@cygnus.com>
667 * config/ia64/ia64.c (ia64_expand_prologue): Mark extra
668 output registers as fixed.
669 (ia64_function_epilogue): Undo output fixation.
671 2000-10-23 Richard Henderson <rth@cygnus.com>
673 * config/alpha/alpha.md: Add names for all unnamed insns; use
674 define_insn_and_split in some obvious places.
676 (zero_extendqihi2): Use an expander w/ nonimmediate_operand for BWX.
677 (zero_extendqisi2, zero_extendqidi2): Likewise.
678 (zero_extendhisi2, zero_extendhidi2): Likewise.
679 (abs splitters): Fix match_scratch operand number.
680 (bcc_reverse): Swap pc & label instead of non-canonical compare.
682 2000-10-23 Jim Wilson <wilson@cygnus.com>
684 * ia64.c (ia64_print_operand, case 'r'): Correct comment. Handle
686 * ia64.md (cmpsi_adjusted): Use %r3.
687 (cmpdi_adjusted): Likewise.
689 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
691 * config/i386/att.h (ASM_FILE_START): Define.
693 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
695 * config/i386/linux.h (ASM_FILE_START): Define.
697 Wed Oct 18 11:16:40 2000 Donald Lindsay <dlindsay@cygnus.com>
699 * gcc/configure.in: m68k-coff tm_file should not have libgloss.h,
700 since this (only) drags in a crt0.o reference that the .ld files
703 2000-10-23 Geoff Keating <geoffk@cygnus.com>
705 * reload1.c (reload_reg_reaches_end_p): A RELOAD_OTHER can
706 overwrite the value in a RELOAD_FOR_INPUT and other kinds of
707 reloads just like an RELOAD_FOR_OUTPUT would.
709 * local-alloc.c (update_equiv_regs): Add an abort(). When
710 deleting or moving insns, update reg_equiv[regno].init_insns.
712 2000-10-23 Mark Mitchell <mark@codesourcery.com>
714 * c-tree.texi: Improve documentation for IF_STMTs and related
715 conditional statements.
717 2000-10-22 Mark Mitchell <mark@codesourcery.com>
719 * expr.c (do_preexpand_calls): Remove.
720 (same_from_p): Don't use CALL_EXPR_RTL.
721 (expand_expr): Don't call preexpand_calls, or use CALL_EXPR_RTL.
722 (preexpand_calls): Remove.
723 * tree.c (first_rtl_op): Remove CALL_EXPR case.
724 (unsave_expr_1): Likewise.
725 * tree.def (CALL_EXPR): Give it only two slots.
726 * tree.h (CALL_EXPR_RTL): Remove.
728 2000-10-21 Chandrakala Chavva <cchavva@redhat.com>
730 * libgcc-std.ver (__addvsi3, __addvdi3, __subvsi3, __subvdi3,
731 __mulvsi3, __negvsi2, __negvdi2, __absvsi2, __absvdi2, __mulvdi3):
734 2000-10-22 Alexandre Oliva <aoliva@redhat.com>
736 * calls.c (combine_pending_stack_adjustment_and_call): Don't
737 adjust stack when unadjusted_alignment ends up as zero.
739 2000-10-22 Joseph S. Myers <jsm28@cam.ac.uk>
741 * fixinc/genfixes: Remove EGCS reference.
742 * install.texi: Remove EGCS reference.
743 * INSTALL: Regenerate.
745 2000-10-22 Mark Mitchell <mark@codesourcery.com>
747 * tree.h (TYPE_IS_SIZETYPE): Add more documentation.
749 2000-10-21 Joseph S. Myers <jsm28@cam.ac.uk>
751 * diagnostic.c: Remove EGCS reference in comment.
753 Sat Oct 21 08:24:25 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
755 * loop.c (strength_reduce): Fix error in last change.
757 2000-10-20 David Edelsohn <edelsohn@gnu.org>
759 * Makefile.in (SHLIB_NM_FLAGS): New.
760 (libgcc.mk): Pass it.
761 * mklibgcc.in (libgcc.map): Use it.
763 * rs6000/t-aix43 (SHLIB_EXT, SHLIB_LINK, SHLIB_LIBS,
764 SHLIB_MKMAP, SHLIB_MAPFILES, SHLIB_NM_FLAGS): New.
766 2000-10-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
768 * mips.h (REG_CLASS_FROM_LETTER): Cast array arg to unsigned char.
770 * sparc.c (load_pic_register): Delete unused varaible.
772 * libgcc2.c (__addvsi3): Delete unused variable.
774 * libgcc2.h (__absvsi2, __absvdi2, __addvsi3, __addvdi3,
775 __subvsi3, __subvdi3, __mulvsi3, __mulvdi3, __negvsi2,
776 __negvdi2): Prototype.
778 * ssa.c (apply_delayed_renames): Avoid undefined operation.
780 * toplev.c (display_target_options): Make static to match
781 prototype. Delete empty declaration.
783 2000-10-20 Tom Tromey <tromey@cygnus.com>
785 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Added -MF and -MT.
786 * gcc.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Added -MF and -MT.
788 Fri Oct 20 17:05:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
790 * expr.c (expand_expr, case SAVE_EXPR): Set RTX_UNCHANGING_P on
792 (expand_expr_unaligned, case ARRAY_REF): Check that index is
793 a constant before comparing it; use tree_low_cst.
794 * tree.c (save_expr): Set TREE_READONLY.
795 (substitute_expr): Return inside of NON_LVALUE_EXPR.
796 (build, build1): Set TREE_READONLY if all operands are.
797 (build_index_type): If upper bound is a negative number, lower
798 bound is zero and sizetype is unsigned, use upper bound of one and
801 2000-10-20 David Edelsohn <edelsohn@gnu.org>
803 * gcc.c (process_command, main): Use "because" instead of
804 "since" in error messages.
806 Fri Oct 20 13:33:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
808 * stor-layout.c (compute_record_mode): Use tree_low_cst.
809 Don't use mode of field for record unless sizes are the same.
810 (layout_type, case ARRAY_TYPE): Remove special bounds handling
811 previously added for Ada; also change to using host_integerp
814 * loop.c (strength_reduce): Show when new register made for
815 giv is known to be a pointer and its aligment if so and known.
816 (loop_dump_aux): Show VERBOSE parameter unused.
818 * gcse.c (set_hash_table_size): Now unsigned.
819 * sdbout.c (template_name_p): Add "const" to avoid warnings.
820 (sdbout_record_type_name, plain_type_1, sdbout_symbol): Likewise.
821 (sdbout_one_type, sdbout_parms, sdbout_reg_parms): Likewise.
822 (sdbout_end_epilogue): Remove variable NAME.
823 * system.h (getopt): Add default definition.
824 * config/alpha/alpha.c (print_operand): Don't continue processing
826 (summarize_insn): Avoid use of UL in constant.
828 * function.c (locate_and_pad_parm): Use host_integerp and tree_low_cst.
830 * fold-const.c (force_fit_type): Unsigned values can overflow
831 if they are sizetype.
832 (int_const_binop): Don't use cache if overflows.
834 2000-10-20 Richard Henderson <rth@cygnus.com>
836 * function.c (locate_and_pad_parm): Zero alignment_pad.
838 * regrename.c (rr_replace_reg): Rewrite to use recog_data to
839 perform substitutions, and apply_change_group to see if it worked.
841 Fri Oct 20 13:33:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
843 * dwarf2out.c (add_bound_info): Also ignore COND_EXPR.
845 * combine.c (struct undo): Change int to unsigned int.
846 (do_SUBST_INT): Args are unsigned int.
847 (make_extraction, force_to_mode): Use proper type when forming mask.
848 (make_field_assignment): Likewise.
850 2000-10-20 Joseph S. Myers <jsm28@cam.ac.uk>
852 * c-common.c (check_format_info_recurse): Extract string constant
853 initializers from non-volatile constant arrays and check them as
855 * c-typeck.c (decl_constant_value): Don't check pedantic or check
856 for DECL_MODE (decl) != BLKmode.
857 (decl_constant_value_for_broken_optimization): New function which
858 includes these checks.
859 (default_conversion, convert_for_assignment, digest_init): Use
860 decl_constant_value_for_broken_optimization instead of
863 2000-10-20 Mark Mitchell <mark@codesourcery.com>
865 * tree.h (DECL_ALIGN_UNIT): New macro.
867 2000-10-14 Marek Michalkiewicz <marekm@linux.org.pl>
869 * config/avr/avr-protos.h (avr_output_bld): New.
870 (out_shift_with_cnt): Add t_len argument.
871 * config/avr/avr.c (avr_num_arg_regs): Remove -mpack-args.
872 (output_movqi, output_movhi, output_movsisf): Optimize loading
873 any constant with exactly one bit set to NO_LD_REGS.
874 (out_shift_with_cnt): Optimize output code for size or speed,
875 depending on optimize_size. Handle small shift counts as well
876 (if not hand-optimized in ?sh??i3_out). Shifts can be done
877 with or without a scratch register, with help of __tmp_reg__
878 or __zero_reg__ if necessary. Add T_LEN argument to pass the
879 length of TEMPLATE in words, return total insn length in *LEN.
880 (ashlqi3_out, ashrqi3_out, lshrqi3_out): Change all calls to
881 out_shift_with_cnt to work with the above change.
882 (ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out, lshrhi3_out,
883 lshrsi3_out): Likewise. Optimize more known shift count cases.
884 Remove cases already well optimized in out_shift_with_cnt.
885 (avr_output_bld): New function.
886 * config/avr/avr.h (MASK_PACK_ARGS, TARGET_PACK_ARGS): Remove.
887 (TARGET_SWITCHES): Remove -mpack-args backward compatibility.
888 * config/avr/avr.md (*reload_inqi, *reload_inhi, *reload_insi):
889 Add reload_completed to insn condition - only for peepholes.
890 (ashlqi3, ashrqi3, lshrqi3): Correct insn length for shift counts
891 in a register or memory.
892 (ashlhi3, ashlsi3, ashrhi3, ashrsi3, lshrhi3, lshrsi3): Likewise.
893 Do not require a scratch register.
894 (*ashlhi3_const, *ashlsi3_const, *ashrhi3_const, *ashrsi3_const,
895 *lshrhi3_const, *lshrsi3_const): New insns and matching peepholes.
896 Optimize shifts by known count using a scratch register, but only
897 if one is still available after register allocation.
899 2000-10-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
901 * t-vax: New file. Don't build modules from libgcc1.c.
903 Fri Oct 20 00:57:00 EDT 2000 John Wehle (john@feith.com)
905 * alias.c: (mark_constant_function): Don't check pure functions.
906 Initialize and end alias analysis.
907 (nonlocal_mentioned_p): Rename from nonlocal_reference_p.
908 Don't make a special exception for recursion. Handle
909 UNSPEC_VOLATILE. Don't assume ASM_OPERANDS is non-local
910 unless it's volatile.
912 * local-alloc.c (equivalence): New structure.
914 (contains_replace_regs): Remove array and use
916 (memref_referenced_p): Likewise.
917 (no_equiv): Likewise.
918 (update_equiv_regs): Likewise.
920 (equiv_init_varies_p,
921 equiv_init_movable_p): New functions.
922 (update_equiv_regs): Use them. Use rtx_varies_p
923 instead of function_invariant_p. Process insns
924 from end to beginning. Allow a REG_EQUIV insn
925 within the same loop as a use to be moved, also
926 allow it to be moved out of a loop. Update
927 REG_DEAD notes when substituting into an insn.
929 2000-10-19 Jim Wilson <wilson@cygnus.com>
931 * c-decl.c (start_decl): Check for error_mark_node type before using
933 (finish_decl): Likewise. Don't give an error if decl type is
934 already error_mark_node.
936 * haifa-sched.c (compute_trg_info): Add explanatory comments.
937 New local update_blocks. Use update_blocks to remove duplicates
938 when computing update blocks. Check for bblst_table overflow.
939 (schedule_block): Add explanatory comment. Reduce bblst_size by
941 * config/ia64/ia64.md (movdi_symbolic): Document loss of REG_LABEL
944 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
946 * libgcc2.c (_mulvsi3): Change variables u and v to a and b.
948 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
950 * expmed.c: Minor corrections in comments.
951 * invoke.texi: Added desciption for the new option -ftrapv.
953 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
955 * libgcc2.c: Added the missing #endif.
957 Thu Oct 19 14:25:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
959 * i386.h (CONST_OK_FOR_LETTER): Re-add 'N'; document.
961 2000-10-18 Chandrakala Chavva <cchavva@redhat.com>
963 * expmed.c (expand_mult): Don't do synth_mult optimization for -ftrapv.
964 Use smulv_optab for -ftrapv.
965 (expand_mult_highpart): Use unsigned multiply.
966 (expand_divmod): Special-case division by -1.
967 For EXACT_DIV_EXPR, do right shift first, then the multiply.
968 For complex divide, use abs with unsigned result.
969 * expr.c (force_operand): Use unsigned multiply.
970 (expand_expr): Use overflow-trapping optabs for signed types if
972 If flag_trapv, don't generate a recursive call with EXPAND_SUM
973 if the type is signed and the original call wasn't EXPAND_SUM or
975 * expr.h (addv_optab, subv_optab, smulv_optab, sdivv_optab): Declare.
976 (negv_optab, absv_optab): Declare.
977 * flags.h (flag_trapv): Declare.
978 * genopinit.c (optabs): Add entries for addv_optab, subv_optab,
979 smulv_optab, sdivv_optab, negv_optab and absv_optab.
980 (gen_insn): Interpret '$P' as requiring an integer mode,
981 including partial integer modes.
982 * loop.c (emit_iv_add_mult): Use unsigned expand_mult_add.
983 (product_cheap_p): Use unsigned expand_mult.
984 * optabs.c (addv_optab, subv_optab, smulv_optab, sdivv_optab): Define.
985 (negv_optab, absv_optab): Define.
986 (expand_binop): Use overflow-trapping optabs for signed types if
988 Handle negv_optab libe neg_optab.
989 (expand_abs): Take result_unsignedp argument instead of unsignedp one.
990 Use overflow-trapping optabs for signed result if flag_trapv.
991 (expand_complex_abs): Use overflow-trapping optabs for signed types if
993 Don't open-code complex absolute-value operation for flag_trapv.
994 (init_optabs): Initialize addv_optab, subv_optab, smulv_optab,
995 sdivv_optab, negv_optab and absv_optab.
996 * toplev.c (flag_trapv): Define.
997 (lang_independent_options f_options): Include flag_trapv.
998 * tree.h (TYPE_TRAP_SIGNED): Define.
999 * libgcc2.c (__addvsi3, __addvdi3, __subvsi3,__subvsi3, __subvdi3,
1000 __mulvsi3, __negvsi2, __negvdi2, __absvsi2, __absvdi2, __mulvdi3):
1002 * Makefile.in: add _absvsi2 _absvdi2 _addvsi3 _addvdi3 _subvsi3
1003 _subvdi3 _mulvsi3 _mulvdi3 _negvsi2 _negvdi2.
1005 2000-10-18 Geoffrey Keating <geoffk@cygnus.com>
1006 David V. Henkel-Wallace <gumby@cygnus.com>
1008 * config/i386/t-netware: Bring in from the Red Hat tree.
1009 * config/i386/netware.h: Likewise.
1010 * config/netware.h: Likewise.
1011 * config/rs6000/netware.h: Delete.
1012 * configure.in: Add i[34567]86-*-netware.
1013 * configure: Hand-edit to match configure.in change.
1015 2000-10-18 Mark Mitchell <mark@codesourcery.com>
1017 * c-common.h (flag_no_builtin): Declare.
1018 (flag_no_nonansi_builtin): Likewise.
1019 (c_common_nodes_and_builtins): Change prototype.
1020 * c-common.c (flag_no_builtin): New variable.
1021 (flag_no_nonansi_builtin): Likewise.
1022 (c_common_nodes_and_builtins): Remove parameters. Adjust
1024 * c-decl.c (flag_no_builtin): Remove.
1025 (flag_no_nonansi_builtin): Likewise.
1026 (init_decl_processing): Adjust call to
1027 c_common_nodes_and_builtins.
1029 2000-10-18 Marc Espie <espie@openbsd.org>
1031 * tm.texi (LIBGCC_SPEC): Synch with reality.
1033 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
1035 * c-common.c (check_format_types): Check for writing through a
1036 NULL pointer argument.
1038 2000-10-18 Hans-Peter Nilsson <hp@axis.com>
1040 * tm.texi (Exception Region Output): Document
1041 DWARF_CIE_DATA_ALIGNMENT.
1042 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Wrap definition in
1044 [ENABLE_CHECKING] (reg_save): Abort if offset is not a multiple of
1045 DWARF_CIE_DATA_ALIGNMENT.
1047 2000-10-18 Michael Hayes <mhayes@cygnus.com>
1049 * basic-block.h (struct loop): Delete fields pre_header_root
1050 and pre_header_trace and replace with pre_header_edges
1051 and num_pre_header_edges.
1052 * flow.c (flow_loop_dump): Dump pre_header_edges.
1053 (flow_loops_free): Free pre_header_edges.
1054 (flow_loop_pre_header_scan): Calculate pre_header_edges.
1056 2000-10-18 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1058 * contrib.texi: Update references to steering committee members
1059 and Jeff Law's entry.
1061 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
1063 * c-common.c (CPLUSPLUS_STD_VER, C_STD_VER, C_STD_NAME): Define.
1064 (maybe_read_dollar_number, check_format_info_main): Use them for
1065 pedantic warning messages.
1067 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
1069 * c-common.c (check_format_info_main): Minor cleanup: move
1070 variables into inner scopes; initialize declarations where
1071 appropriate; don't hardcode "scanf" name on warning for zero
1074 2000-10-17 Mark Mitchell <mark@codesourcery.com>
1076 * c-common.c (back_end_hook): New variable.
1077 * c-common.h (back_end_hook): Declare it.
1078 * c-lang.c (finish_file): Use it.
1080 * emit-rtl.c (init_emit_once): Initialize the const_int_htab
1083 2000-10-18 Jan Hubicka <jh@suse.cz>
1085 * i386.c (ix86_comparison_operator, put_condition_code,
1086 ix86_match_ccmode, ix86_cc_mode): Handle CCRCmode.
1087 (ix86_expand_strlensi_unroll_1): Use CCRCmode.
1088 * i386.h (EXTRA_CC_MODES): Add CCRCmode.
1089 * i386.md (adddi and negdi splitter): Use CCRCmode.
1090 (add?i_3, add?i_4, add?i_5): Use CCRCmode; swap operands
1091 (subsi3_carry): add '*'
1092 (addsi3_carry_rc, subsi3_carry_rc, x86_movsicc_0_m1_rc): New.
1093 (cmp to add peep2): Use CCRCmode; swap operands.
1095 2000-10-18 Kazu Hirata <kazu@hxi.com>
1097 * h8300.c: Fix a comment typo.
1098 (round_frame_size): New.
1099 (compute_saved_regs): Likewise.
1102 (push_order): Remove.
1103 (pop_order): Likewise.
1104 (function_prologue): Rearrange code for readability.
1105 (function_epilogue): Likewise.
1107 * config/h8300/h8300.md: Remove an unnecessary sign_extend
1108 expander that is used when not optimizing. Output a tab after
1109 each assembly insns.
1111 * reorg.c: Fix formatting.
1113 2000-10-17 Joern Rennecke <amylaar@redhat.co.uk>
1115 * reload1.c (move2add_note_store): Check for simple
1116 auto-inc in destination.
1118 2000-10-17 Michael Chastain <chastain@redhat.com>
1120 * config/i386/i386-aout.h: define INT_ASM_OP.
1122 Tue Oct 17 20:11:08 2000 Alan Modra <alan@linuxcare.com.au>
1124 * pa.c (print_operand): Handle case 'c' for .vtable_inherit
1126 Tue Oct 17 20:05:51 2000 Martin Buchholz <martin@xemacs.org>
1128 * i370.md: Fix spelling typo.
1130 2000-10-17 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1132 * function.c (locate_and_pad_parm): Don't align stack unconditionally.
1133 Fixes execute/20001017-1.c on powerpc-linux-gnu.
1135 * expr.c (store_constructor): Apply MEM_ALIAS_SET to MEMs only.
1136 * rs6000/rs6000.c (rs6000_hash_constant): Use X0INT to access a
1139 * rs6000/rs6000.h (NO_DOLLAR_IN_LABEL, DOLLARS_IN_IDENTIFIERS,
1140 ENCODE_SECTION_INFO, ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Move from
1142 * rs6000/aix.h: ...to here.
1143 * rs6000/linux.h (ASM_APP_ON, ASM_APP_OFF): Define to Linux-style.
1145 2000-10-17 Jakub Jelinek <jakub@redhat.com>
1147 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Reload gp if needed.
1149 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): Always use call, make
1150 sure linker can relax even the delay slot mov %g1,%o7, fix output
1153 2000-10-17 Kazu Hirata <kazu@hxi.com>
1155 * config/h8300/h8300.md: Remove an unnecessary zero_extend
1156 expander that is used when not optimizing. Output a tab after
1157 each assembly insns.
1159 2000-10-17 Chandrakala Chavva <cchavva@redhat.com>
1161 * gcc.c: New options --target-help.
1162 (process_command): Added code to parse this new option.
1163 * toplev.c (display_target_options): New function to support the
1165 * cppinit.c (new_pending_directive) : New option OPT_target__help.
1166 (cpp_handle_option): Support this new option.
1167 * invoke.texi: Added notes about --target-help option.
1169 2000-10-17 Graham Stott <grahams@redhat.com>
1171 * config/i386/i386.md (testqi_1): Add missing operand prefix
1173 * config/i386/i386-protos.h: Add missing prototype.
1175 2000-10-17 Diego Novillo <dnovillo@cygnus.com>
1177 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Symbol
1178 _GLOBAL_OFFSET_TABLE should not have a $ prefix when
1179 using -mintel-syntax.
1181 2000-10-17 Joseph S. Myers <jsm28@cam.ac.uk>
1183 * c-common.c (FMT_FLAG_DOLLAR_MULTIPLE): Define.
1184 (format_types): Use it for printf.
1185 (maybe_read_dollar_number): Add parameter for the kind of format
1186 involved. Warn for multiple use for arguments if this is
1187 inappropriate for the kind of format involved.
1188 (check_format_info_main): Update calls to maybe_read_dollar_number.
1190 2000-10-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1192 * inclhack.def (hpux_maxint): Also apply fix to values.h.
1193 * fixincl.x: Rebuilt.
1195 2000-10-17 Alexandre Oliva <aoliva@redhat.com>
1197 * genrecog.c (write_switch): Return the first condition that needs a
1200 2000-10-17 Bernd Schmidt <bernds@redhat.co.uk>
1202 * c-tree.h (warn_sequence_point): Move declaration to...
1203 * c-common.h (warn_sequence_point): ... here.
1204 * c-decl.c (warn_sequence_point): Move definition to...
1205 * c-common.c (warn_sequence_point): ... here.
1206 (struct reverse_tree): New.
1207 (reverse_list, reverse_max_depth): New static variables.
1208 (build_reverse_tree, common_ancestor, modify_ok
1209 verify_sequence_points): New functions.
1210 (c_expand_expr_stmt): Call verify_sequence_points if -Wsequence-point.
1211 * c-typeck.c (check_modify_expr): Delete.
1212 (build_modify_expr): Don't call it.
1214 2000-10-17 Joseph S. Myers <jsm28@cam.ac.uk>
1216 * c-common.h (warn_missing_format_attribute): New variable.
1217 * c-decl.c (warn_missing_format_attribute): New variable.
1218 (c_decode_option): Decode -Wmissing-format-attribute and
1219 -Wno-missing-format-attribute.
1220 * c-common.c (check_function_format): If
1221 -Wmissing-format-attribute, give a warning where a vprintf or
1222 vscanf function is called by a function without its own printf or
1224 * toplev.c (documented_lang_options): Add
1225 -Wmissing-format-attribute.
1226 * invoke.texi: Document -Wmissing-format-attribute.
1228 2000-10-17 Marc Espie <espie@openbsd.org>
1230 * invoke.texi (-shared): Insist on requiring code generation flags
1231 to be used along with -shared, and document the subtle failure that
1232 may occur otherwise.
1234 2000-10-16 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1236 * pa.md (return_internal): Move `use' after `return'.
1238 2000-10-16 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
1240 * machmode.def: Correct comment.
1242 2000-10-16 Rodney Brown <RodneyBrown@mynd.com>
1244 * print-rtl.c (print_rtx_head): Constify.
1245 * rtl.h (print_rtx_head): Similarly.
1247 * config/pa/pa/pa-protos.h (output_64bit_and, output_64bit_ior):
1248 Constify char * return value.
1250 (output_64bit_and, output_64bit_ior): Constify char * return value.
1251 (pa_can_combine_p): Make static.
1252 (function_arg): Decorate unused `named' argument. Fix comment typo.
1253 (function_arg_partial_nregs): Decorate unused `named' argument.
1255 2000-10-16 Joseph S. Myers <jsm28@cam.ac.uk>
1257 * c-common.c (format_check_results): New structure.
1258 (finish_dollar_format_checking): Adjust to take a
1259 format_check_results * parameter.
1260 (check_format_info, check_format_info_recurse,
1261 check_format_info_main): Split check_format_info into three
1262 functions, the main checking going in check_format_info_main.
1263 Recurse when any reduction of the format string argument towards a
1264 string literal is done; go down both branches of a conditional
1265 expression. Don't warn for extra format arguments or empty format
1266 strings if they only occur in some branches of a conditional
1269 2000-10-16 Kazu Hirata <kazu@hxi.com>
1271 * config/h8300/h8300.c: Remove obstack. Include ggc.h.
1273 2000-10-16 Jakub Jelinek <jakub@redhat.com>
1275 * rtlanal.c (may_trap_p): Check operand modes of COMPARE.
1277 2000-10-15 Diego Novillo <dnovillo@cygnus.com>
1279 * i386.md (*movsi_or): Switch operand order for intel syntax.
1281 2000-10-14 Joseph S. Myers <jsm28@cam.ac.uk>
1285 * gcc.texi (Contributing): Update.
1287 2000-10-13 Diego Novillo <dnovillo@cygnus.com>
1289 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Output final jump using
1290 appropriate assembler dialect.
1292 2000-10-13 Alexandre Oliva <aoliva@redhat.com>
1294 * c-common.c (c_expand_builtin): PARAMS-ize prototype.
1296 2000-10-12 Marek Michalkiewicz <marekm@linux.org.pl>
1298 * config/avr/avr.c (output_movhi, output_movsisf): Fix loading
1299 constants 1 and 2 to NO_LD_REGS.
1301 2000-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1303 * Makefile.in (c-parse.c, tradcif.c): Create atomically.
1305 * objc/Make-lang.in (objc-parse.c): Likewise.
1307 2000-10-13 Richard Earnshaw <rearnsha@arm.com>
1309 * arm.c: Include obstack.h
1310 (minipool_obstack, minipool_startobj): Define.
1311 (arm_add_gc_roots): Initialize them.
1312 (create_fix_barrier): Use our new obstack.
1313 (push_minipool_barrier, push_minipool_fix): Likewise.
1314 (arm_reorg): Release obstack memory.
1316 2000-10-13 Jakub Jelinek <jakub@redhat.com>
1318 * config/sparc/sparc.md (nonlocal_goto_receiver): Remove.
1319 (prologue, exception_receiver, builtin_setjmp_receiver): New
1321 * config/sparc/sparc.h (FINALIZE_PIC): Remove.
1322 * config/sparc/sparc-protos.h (finalize_pic): Remove.
1323 (load_pic_register): New prototype.
1324 * config/sparc/sparc.c (pic_setup_code): Remove.
1325 (finalize_pic): Rename to...
1326 (load_pic_register): ...this function.
1327 Don't look for nonlocal_goto_receivers and emit pic setup code
1328 directly. Don't check current_function_uses_pic_offset_table.
1330 2000-10-13 Richard Earnshaw <rearnsha@arm.com>
1332 * tree.h (struct obstack): Declare.
1334 2000-10-12 Mark Mitchell <mark@codesourcery.com>
1337 * Makefile.in (ggc-callbacks.o): Remove target.
1338 (flow.o): Depend on GGC_H.
1339 * alias.c (init_alias_analysis):
1340 Remove ggc_p conditionals.
1341 (end_alias_analysis): Likewise.
1342 * basic-block.h (init_flow): New function.
1343 (allocate_reg_life_data): Declare.
1344 * bb-reorder.c (function_obstack): Replace with ...
1345 (flow_obstack): ... new variable.
1346 (fixup_reorder_chain): Use it.
1347 * c-decl.c (ggc_p): Remove.
1348 (caller-save.c): Don't call oballoc/obfree.
1350 undobuf): Remove storage.
1351 (try_combine): Don't call oballoc.
1352 (undo_all): Don't call obfree.
1353 * cse.c (insert): Use xmalloc, not
1355 (cse_main): Adjust accordingly.
1356 * dwarf2out.c (save_rtx): Remove
1358 (dwarf2out_init): Remove ggc_p conditionals.
1359 * emit-rtl.c (rtl_obstack): Remove.
1360 (gen_rtx_CONST_INT): Remove ggc_p conditionals.
1361 (make_insn_raw): Likewise.
1362 (emit_insn_before): Likewise.
1363 (emit_insn_after): Likewise.
1364 (emit_insn): Likewise.
1365 (gen_sequence): Likewise.
1366 (copy_insn_1): Remove handling of `b' RTL components.
1367 (init_emit_once): Remove ggc_p conditionals.
1368 * except.c (create_rethrow_ref): Don't fool with obstacks.
1369 (add_partial_entry): Likewise.
1370 (call_get_eh_context): Likewise.
1371 (begin_protect_partials): Likewise.
1372 (protect_with_terminate): Likewise.
1374 (plus_constant_wide): Likewise.
1375 * expr.c (init_expr_once):
1377 (emit_block_move): Likewise.
1378 (clear_storage): Likewise.
1379 (expand_expr): Likewise.
1380 * flow.c (function_obstack): Remove.
1381 (flow_obstack): New variable.
1382 (flow_firstobj): Likewise.
1383 (create_base_block): Use the flow_obstack.
1384 (split_block): Likewise.
1385 (split_edge): Likewise.
1386 (calculate_global_regs_live): Likewise.
1387 (allocate_bb_life_data): Make it static. Likewiwse.
1388 (init_flow): New function.
1389 (size_int_type_wide): Remove ggc_p conditionals.
1391 (push_function_context_to): Don't call save_tree_status.
1392 (pop_function_context_from): Or restore_tree_status.
1393 (assign_stack_local_1): Don't call push_obstacks.
1394 (find_fixup_replacement): Use xmalloc.
1395 (fixup_var_refs_insns): Free the storage.
1396 (insns_for_mem_walk): Don't mess with obstacks.
1397 (instantiate_decls): Likewise.
1398 (trampoline_address): Likewise.
1399 (expand_function_end): Likewise.
1400 * function.h (sturct function):
1401 Remove obstack-related variables.
1402 (save_tree_status): Don't declare.
1403 (restore_tree_status): Likewise.
1404 * gcse.c (compute_can_copy):
1405 Don't call oballoc/obfree.
1406 * genattrtab.c (operate_exp): Remove
1408 (simplify_cond): Likewise.
1409 (simplify_test_exp): Don't mess with obstacks.
1410 (optimize_attrs): Likewise.
1411 * gengenrtl.c (gendef): Don't include
1413 * ggc-callbacks.c (ggc_p): Remove.
1414 * ggc-none.c (ggc_p): Remove.
1415 * ggc.h (ggc_p): Don't declare.
1416 * integrate.c (save_for_inline): Don't mess with obstacks.
1417 (integrate_decl_tree): Likewise.
1418 (output_inline_function): Likewise.
1420 (init_EXPR_INSN_LIST_cache): Likewise.
1421 * loop.c (temp_obstack):
1423 (rtl_obstack): Likewise.
1424 (init_loop): Don't mess with obstacks.
1425 (reg_address_cost): Free BIVs and GIVs.
1426 (check_insns_for_bivs): Use xmalloc, not oballoc.
1427 (find_mem_givs): Likewise.
1428 (record_biv): Likewise.
1429 (general_induction_var): Likewise.
1430 (product_cheap_p): Likewse.
1431 * optabs.c (init_one_libfunc): Remove
1433 * print-tree.c (debug_tree): Don't use
1435 (print_node): Likewise.
1436 * profile.c (output_func_start_profiler):
1437 Remove call to temporary_allocation.
1439 (eliminate_regs_in_insn): Don't mess with obstacks.
1441 (mark_target_live_regs): Use xmalloc.
1442 (free_resource_info): Free the memory.
1443 * rtl.c (rtl_obstack):
1445 (rtvec_alloc): Don't mess with obstacks.
1446 (rtx_alloc): Likewise.
1448 (copy_rtx): Don't handle `b' cases.
1449 (read_rtx): Use a local rtl_obstack.
1450 * rtl.h (oballoc): Remove.
1452 (pop_obstacks): Likewise.
1453 (push_obstacks): Likewise.
1454 (allocate_bb_life_data): Likewise.
1455 (allocate_reg_life_data): Likewise.
1456 (rtx_free): Likewise.
1457 * sdbout.c (sdbout_queue_anonymous_type):
1458 Use tree_cons, not saveable_tree_cons.
1460 (cselib_init): Don't mess with obstacks.
1462 (mark_block_nesting): Mark the label_chain.
1463 (epxand_label): Use ggc_alloc, not oballoc.
1464 (clear_last_expr): Don't mess with obstacks.
1465 (expand_decl_cleanup): Likewise.
1466 (expand_dcc_cleanup): Likewise.
1467 (expand_dhc_cleanup): Likewise.
1468 (expand_anon_union_decl): Likewise.
1469 (add_case_node): Use xmalloc, not oballoc.
1470 (free_case_nodes): New function.
1471 (expand_end_case): Call it.
1472 * stor-layout.c (layout_type): Don't
1474 (layout_type): Likewise.
1475 * toplev.c (wrapup_global_declarations):
1477 (compile_file): Remove ggc_p conditionals.
1478 (rest_of_compilation): Call init_flow. Remove ggc_p conditionals.
1479 (decode_f_option): Remove ggc_p conditionals.
1481 (function_maybepermanent_obstack): Remove.
1482 (maybepermanent_obstack): Likewise.
1483 (function_obstack): Likewise.
1484 (tmeporary_obstack): Likewise.
1485 (momentary_obstack): Likewise.
1486 (temp_decl_obstack): Likewise.
1487 (saveable_obstack): Likewise.
1488 (rtl_obstack): Likewise.
1489 (current_obstack): Likewise.
1490 (expression_obstack): Likewise.
1491 (struct obstack_stack): Likewise.
1492 (obstack_stack): Likewise.
1493 (obstack_stack_obstack): Likewise.
1494 (maybepermanent_firstobj): Likewise.
1495 (temporary_firstobj): Likewise.
1496 (momentary_firstobj): Likewise.
1497 (temp_decl_firstobj): Likewise.
1498 (momentary_function_firstobj): Likewise.
1499 (all_types_permanent): Likewise.
1500 (struct momentary_level): Likewise.
1501 (momentary_stack): Likewise.
1502 (init_obstacks): Remove initialization of removed obstacks.
1503 (save_tree_status): Remove.
1504 (restore_tree_status): Likewise.
1505 (temporary_allocation): Liekwise.
1506 (end_temporary_allocation): Liekwise.
1507 (resume_temporary_allocation): Likewise.
1508 (saveable_allocation): Likewise.
1509 (push_obstacks): Likewise.
1510 (push_obstacks_nochange): Likewise.
1511 (pop_obstacks): Likewise.
1512 (allocation_temporary_p): Likewise.
1513 (permanent_allocation): Likewise.
1514 (preserve_data): Likewise.
1515 (preserve_initializer): Likewise.
1516 (rtl_in_current_obstack): Likewise.
1517 (rtl_in_saveable_obstack): Likewise.
1518 (oballoc): Likewise.
1520 (savealloc): Likewise.
1521 (expralloc): Likewise.
1522 (print_obstack_name): Likewise.
1523 (debug_obstack): Likewise.
1524 (object_permanent_p): Likewise.
1525 (push_momentary): Likewise.
1526 (perserve_momentary): Likewise.
1527 (clear_momentary): Likewise.
1528 (pop_momentary): Likewise.
1529 (pop_momentary_nofree): Likewise.
1530 (suspend_momentary): Likewise.
1531 (resume_momentary): Likewise.
1532 (make_node): Don't set TREE_PERMANENT.
1533 (copy_node): Remove ggc_p conditionals. Don't set TYPE_OBSTACK.
1534 Don't set TREE_PERMANENT.
1535 (get_identifier): Remove ggc_p conditionals.
1536 (build_string): Likewise.
1537 (make_tree_vec): Likewise.
1538 (build_decl_list): Remove.
1539 (build_expr_list): Likewise.
1540 (tree_cons): Remove ggc_p conditionals.
1541 (decl_tree_cons): Remove.
1542 (expr_tree_cons): Likewise.
1543 (perm_tree_cons): Likewise.
1544 (temp_tree_cons): Likewise.
1545 (saveable_tree_cons): Likewise.
1546 (build1): Remove ggc_p conditionals.
1547 (build_parse_node): Likewise.
1548 (build_type_attribute_variant): Don't mess with obstacks.
1549 (build_type_copy): Likewise.
1550 (type_hash_canon): Likewise.
1551 (build_pointer_type): Likewise.
1552 (build_reference_type): Likewise.
1553 (build_index_type): Likewise.
1554 (build_range_type): Likewise.
1555 (dump_tree_statistics): Don't print obstack information.
1557 (struct tree_common): Remove permanent_flag.
1558 (TREE_PERMANENT): Remove.
1559 (TREE_SET_PERMANENT): Likewise.
1560 (TYPE_OBSTACK): Likewise.
1561 (struct tree_type): Remove obstack.
1563 (savealloc): Likewise.
1564 (build_decl_list): Likewise.
1565 (build_expr_list): Likewise.
1566 (perm_tree_cons): Likewise.
1567 (temp_tree_cons): Likewise.
1568 (saveable_tree_cons): Likewise.
1569 (decl_tree_cons): Likewise.
1570 (expr_tree_cons): Likewise.
1571 (suspend_momentary): Likewise.
1572 (allocation_temporary_p): Likewise.
1573 (resume_momentary): Likewise.
1574 (push_obstacks_nochange): Likewise.
1575 (permanent_allocation): Likewise.
1576 (push_momentary): Likewise.
1577 (clear_momentary): Likewise.
1578 (pop_momentary): Likewise.
1579 (end_temporary_allocation): Likewise.
1580 (pop_obstacks): Likewise.
1581 (push_obstacks): Likewise.
1582 (pop_momentary_nofree): LIkewise.
1583 (preserve_momentary): Likewise.
1584 (saveable_allocation): Likewise.
1585 (temporary_allocation): Likewise.
1586 (resume_temporary_allocation): Likewise.
1587 (perserve_initializer): Likewise.
1588 (debug_obstack): Likewise.
1589 (rtl_in_current_obstack): Likewise.
1590 (rtl_in_saveable_obstack): Likewise.
1592 * varasm.c (current_obstack): Remove.
1593 (saveable_obstack): Remove.
1594 (rtl_obstack): Remove.
1595 (immed_double_const): Don't mess with obstacks.
1596 (immed_real_cons): Likewise.
1597 (output_constant_def): Likewise.
1598 (init_varasm_status): Use xcalloc.
1599 (mark_pool_constant): Mark the pool constant itself.
1600 (free_varasm_status): Free memory.
1601 (decode_rtx_const): Call bzero directly, rather than expanding it
1603 (record_rtx_const): Don't mess with obstacks.
1604 (force_const_mem): Likewise.
1605 * config/arm/arm.c (arm_encode_call_attribute): Remove ggc_p
1607 (aof_pic_entry): Likewise.
1608 * config/ia64/ia64.c (ia64_encode_section_info): Likewise.
1609 * config/m32r/m32r.c (m32r_encode_section_info): Likewise.
1610 * config/pa/pa.c (saveable_obstack): Remove.
1611 (rtl_obstack): Likewise.
1612 (current_obstack): Likewise.
1613 (output_call): Don't mess with obstacks.
1614 (hppa_encode_label): Remove ggc_p conditionals.
1615 * config/romp/romp.c (get_symref): Don't mess with obstacks.
1616 * config/rs6000/rs6000.c (output_toc): Remove ggc_p conditional.
1617 (rs6000_encode_section_info): Likewise.
1618 * config/sh/sh.c (get_fpscr_rtx): Likewise.
1620 Thu Oct 12 16:02:31 MET DST 2000 Jan Hubicka <jh@suse.cz>
1622 * i386.md (adddi3, subdi3 splitters): Update for new pattern.
1623 (addsi3_cc, addqi3_cc, subsi3_cc): Remove
1624 (addsi3_carry): Canonicalize.
1625 (addqi_5): Remove '*'.
1626 (sbb pattern): Canonicalize.
1628 * i386.md (cmp to inc/add peep2): New.
1630 2000-10-12 Richard Earnshaw <rearnsha@arm.com>
1632 * bb-reorder.c (reorder_basic_blocks): Allocate an aux block for
1635 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
1637 * gcc.texi: Merge in contents of README.TRAD and TESTS.FLUNK.
1638 * README.TRAD, TESTS.FLUNK: Remove.
1640 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
1642 * c-common.c (decl_attributes): Don't allow strftime formats with
1643 first_arg_num nonzero.
1644 (check_format_info): Set wanted_type and wanted_type_name to zero
1645 before they are possibly assigned and used.
1647 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
1649 * c-common.c (scanf_flag_specs): Add flags ' and I.
1650 (strftime_flag_pairs): Disallow any pair of the _, - and 0 flags,
1651 or the ^ and # flags together.
1652 (scan_char_table): Handle the ' and I flags.
1653 (format_types): Add ' and I flags for scanf.
1655 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
1657 * c-common.c (print_char_table): Use the unpromoted type for
1658 lengths "h" and "hh" with conversions dioxXu.
1659 (check_format_types): Apply the default argument promotions where
1660 the wanted type is not a pointer target.
1662 2000-10-11 Michael Meeks <mmeeks@gnu.org>
1663 Joseph S. Myers <jsm28@cam.ac.uk>
1665 * c-typeck.c (check_modify_expr): New function.
1666 (build_modify_expr): Call it if warn_sequence_point.
1667 * c-decl.c (warn_sequence_point): New variable.
1668 (c_decode_option): Handle -Wsequence-point and
1669 -Wno-sequence-point. Enable -Wsequence-point as part of -Wall.
1670 * c-tree.h (warn_sequence_point): Declare.
1671 * invoke.texi (-Wsequence-point): Document.
1672 * toplev.c (documented_lang_options): Add -Wsequence-point and
1673 -Wno-sequence-point.
1674 Original work by Michael Meeks, 16 Jun 1998.
1676 Wed Oct 11 06:15:41 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1678 * tree.c (get_narrower): Don't look at precision of field if
1681 Tue Oct 10 23:14:33 2000 Denis Chertykov <denisc@overta.ru>
1683 * config/avr/avr.c (valid_machine_decl_attribute): Allow `extern'
1684 declaration for data with "progmem" attribute.
1686 2000-10-09 Marek Michalkiewicz <marekm@linux.org.pl>
1688 * config/avr/avr.c (out_shift_with_cnt): Use AS2 macro.
1689 Correct insn length if shift count is a memory operand.
1690 * config/avr/avr.md: New define_peephole2 to use *reload_inqi.
1691 (*iorhi3_clobber): Change lo8 to hi8.
1692 (zero_extendhisi2): Change %B0 to %A1.
1693 (ashlhi3, ashrhi3): Correct insn length.
1694 (andhi3, abssf2, extendqisi2, extendhisi2): Change "cc"
1695 from "clobber" to "set_n" in some alternatives.
1697 2000-10-10 Jakub Jelinek <jakub@redhat.com>
1699 * reload1.c (calculate_needs_all_insns): If deleting an instruction,
1700 remove its insn_chain structure as well.
1702 2000-10-09 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1704 * dbxout.c (dbxout_source_line): Remove extra tab.
1706 2000-10-09 Hans-Peter Nilsson <hp@bitrange.com>
1708 * config/elfos.h (UNIQUE_SECTION): Apply STRIP_NAME_ENCODING on name.
1710 2000-10-09 Richard Henderson <rth@cygnus.com>
1712 * Makefile.in (LANG_LIB2FUNCS): Remove.
1713 (LIB2FUNCS): Remove _pure.
1714 (LIB2ADD): Remove LANG_LIB2FUNCS.
1715 (stage_a): Don't set LANG_LIB2FUNCS.
1716 * libgcc2.c (__terminate): Mark noreturn.
1717 (__pure_virtual): Remove.
1718 * mklibgcc.in: Remove LIB2ADD .txt processing.
1720 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
1722 * arm.md (push_multi): Revert unintended change.
1724 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
1726 * arm.c: Miscellaneous white space and comment clean-ups. No
1730 2000-10-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1732 * c-common.c (c_expand_builtin_printf): Set the TREE_TYPE of a new
1733 STRING_CST by calling combine_strings.
1735 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
1737 * arm.c (thumb_expand_movstrqi): Rewrite to support SSA form.
1738 (thumb_output_move_mem_multiple): Support new insn format.
1739 * arm.md (movmem12b): Use SSA compatible format.
1740 (movmem8b): Likewise.
1742 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
1744 * arm.md (predicable): New attribute, default to "no".
1745 (all patterns): Mark as predicable if appropriate.
1746 (conditional execution splits): Split using predication format.
1747 (define_cond_exec): Define.
1748 * arm.c (arm_print_operand): handle insn predicate.
1750 2000-10-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1752 * README.NS32K: Remove file.
1754 2000-10-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1756 * README-bugs: Remove file.
1758 2000-10-08 Philipp Thomas <pthomas@suse.de>
1759 * aclocal.m4 (AM_GNU_GETTEXT): Fix non portable use of == operator
1761 * configure: Rebuilt.
1763 2000-10-08 Philipp Thomas <pthomas@suse.de>
1764 * aclocal.m4 (AM_WITH_NLS): When not using included gettext,
1765 disable catalog building if no suitable program was found.
1766 Move warning message from here
1767 (AM_GNU_GETTEXT): To here.
1768 * configure: Rebuilt.
1770 2000-10-08 Philipp Thomas <pthomas@suse.de>
1771 * aclocal.m4 (GCC_PATH_PROG): New. Like AC_PATH_PROG but uses
1772 different cache variables.
1773 (GCC_PATH_PROG_WITH_TEST): New. Like AM_PATH_PROG_WITH_TEST but
1774 uses different cache variables.
1775 (AM_WITH_NLS): Use GCC_PATH_PROG and GCC_PATH_PROG_WITH_TEST.
1776 * configure: Regenerated.
1778 2000-10-08 Richard Henderson <rth@cygnus.com>
1780 * Makefile.in (libgcc.mk): Pass SHLIB_EXT, not SHLIB_LIBS.
1781 * configure.in (sparc*-*-solaris*): Use t-slibgcc{,-sld}.
1782 * mklibgcc.in: Consider SHLIB_LINK the entire shlib build command.
1785 * config/t-linux (SHLIB_EXT): New.
1786 (SHLIB_LINK): Use the entire build command, with substitutions.
1787 (SHLIB_LIBS): Remove.
1788 * config/alpha/t-osf4: Likewise.
1789 * config/mips/t-iris6: Likewise.
1790 * config/sparc/t-sol2: Likewise, but move shlib stuff...
1791 * config/sparc/t-slibgcc-sld: ...here.
1792 * config/sparc/t-slibgcc: New file.
1794 2000-10-08 Joseph S. Myers <jsm28@cam.ac.uk>
1796 * tm.texi (INTMAX_TYPE, UINTMAX_TYPE): Define.
1797 * c-common.h (enum c_tree_index): Add CTI_INTMAX_TYPE and
1799 (intmax_type_node, uintmax_type_node): Define.
1800 * c-common.c (decl_attributes): If pedantic, warn if `mode'
1801 attributes create a type wider than intmax_t.
1802 (T_IM, T_UIM): Define properly.
1803 * c-decl.c (INTMAX_TYPE, UINTMAX_TYPE): Define if not already
1805 (init_decl_processing): Initialize intmax_type_node and
1807 * c-lex.c (lex_number): When pedantic and warning for integer
1808 constants that are too large, in C99 mode warn for those that have
1809 a type wider than long long.
1811 2000-10-08 Joseph S. Myers <jsm28@cam.ac.uk>
1813 * c-common.c (FMT_FLAG_ARG_CONVERT, FMT_FLAG_SCANF_A_KLUDGE,
1814 FMT_FLAG_FANCY_PERCENT_OK): Define.
1815 (format_char_info): Add flag "4" to comment.
1816 (format_flag_spec, format_flag_pair): New structures.
1817 (format_kind_info): Add additional fields to control format
1819 (printf_flag_specs, printf_flag_pairs, scanf_flag_specs,
1820 scanf_flag_pairs, strftime_flag_specs, strftime_flag_pairs): New
1822 (time_char_table): Use "4" flag to handle %Ey.
1823 (format_types): Add entries for new fields.
1824 (get_flag_spec): New function.
1825 (check_format_info): Increase size of flag_chars[] to 256.
1826 Control format checking using the new fields of a format_kind_info
1827 and the new tables; remove all conditionals on printf_format_type,
1828 scanf_format_type or strftime_format_type. Handle all details of
1829 bad combinations of flags (including width, precision and strftime
1830 modifiers) through data rather than ad hoc code. Handle all
1831 details of standard versions in which flags appeared through
1832 data. Use the "4" flag.
1834 2000-10-07 Will Cohen <wcohen@redhat.com>, Kazu Hirata <kazu@hxi.com>
1836 * config/h8300/h8300.md: Remove the memory alternative and correct
1837 the insn lengths in the templates for sign extention and zero
1840 2000-10-07 Richard Henderson <rth@cygnus.com>
1842 * calls.c (expand_call): Disallow sibcalls to noreturn functions.
1843 * flow.c (make_edges): Revert last change.
1845 * config/alpha/alpha.h (FUNCTION_OK_FOR_SIBCALL): Don't test
1847 * config/pa/pa.h (FUNCTION_OK_FOR_SIBCALL): Likewise.
1849 2000-10-06 David O'Brien <obrien@dragon.nuxi.com>
1851 * config/alpha/elf.h: Standardize the formatting.
1853 2000-10-06 David O'Brien <obrien@FreeBSD.org>
1855 * config/alpha/elf.h: Protect the ASM_OUTPUT_IDENT definition with an
1858 2000-10-06 Richard Henderson <rth@cygnus.com>
1860 * function.c (diddle_return_value): Examine
1861 current_function_return_rtx instead of the DECL_RESULT.
1862 (expand_function_end): Handle reloading DECL_RESULT from memory
1863 into a hard register. Query promote_mode for sign of mismatched
1866 2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
1868 * haifa-sched.c (schedule_insns): Fix typo in freeing
1869 forward_dependency_cache.
1871 2000-10-06 Alexandre Oliva <aoliva@redhat.com>
1873 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): Add
1874 `TARGET_SH2' as a condition.
1876 2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
1878 * haifa-sched.c (anti_dependency_cache, output_dependency_cache,
1879 forward_dependency_cache): New variables.
1880 (add_dependence, remove_dependence): Use anti_dependency_cache and
1881 output_dependency_cache.
1882 (compute_block_forward_dependences): Use forward_dependency_cache.
1883 (schedule_insns): Allocate and free memory for anti/output/forward
1884 dependencies caches.
1886 2000-10-06 Alexandre Oliva <aoliva@redhat.com>
1888 * config/sh/sh.md (call, call_value): Use `TARGET_SH2' instead of
1889 `! TARGET_SH1'. Reindent.
1891 2000-10-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1893 * builtins.c (is_valid_printf_arglist, expand_builtin_printf):
1894 Move functions from here ...
1896 * c-common.c (is_valid_printf_arglist, c_expand_builtin_printf):
1898 (c_expand_builtin): New function.
1899 (init_function_format_info): Don't set `check_function_format_ptr'.
1900 (c_common_nodes_and_builtins): Set built_in_class type for
1901 printf/__builtin_printf to BUILT_IN_FRONTEND.
1902 (c_expand_expr): Handle CALL_EXPRs that are front-end builtins.
1904 * c-common.h (build_function_call): Declare.
1906 * expr.c (expand_expr): Pass builtins with class BUILT_IN_FRONTEND
1907 to `lang_expand_expr' rather than `expand_builtin'.
1909 * tree.c (check_function_format_ptr): Delete.
1911 * tree.h (check_function_format_ptr): Likewise.
1913 2000-10-06 Hans-Peter Nilsson <hp@bitrange.com>
1915 * dwarf2out.c (build_cfa_loc): Correct to use DW_OP_regx or
1916 DW_OP_bregx when cfa->reg > 31.
1918 * frame-dwarf2.c (decode_stack_op) [case DW_OP_regx]: Add missing
1921 2000-10-05 Richard Henderson <rth@cygnus.com>
1923 * c-decl.c (warn_missing_noreturn): Remove.
1924 (c_expand_body): Don't set or check can_reach_end.
1925 * c-tree.h (warn_missing_noreturn): Move ...
1926 * flags.h: ... here.
1927 (can_reach_end): Remove.
1928 * flow.c (check_function_return_warnings): New.
1929 (make_edges): No edge to exit for noreturn sibcalls.
1930 * function.c (expand_function_end): Save the return value
1931 clobber instruction.
1932 (mark_function_status): Mark it.
1933 * function.h (struct function): Add x_clobber_return_insn.
1934 * jump.c (can_reach_end): Remove.
1935 (calculate_can_reach_end): Remove.
1936 (jump_optimize_1): Don't call it.
1937 * output.h (check_function_return_warnings): Declare.
1938 * toplev.c (warn_missing_noreturn): Move from c-decl.c
1939 (rest_of_compilation): Call check_function_return_warnings.
1941 2000-10-05 Richard Henderson <rth@cygnus.com>
1943 * Makefile.in (NM_FOR_TARGET): New.
1944 (libgcc.mk): Pass SHLIB_MKMAP, SHLIB_MAPFILES.
1945 (libgcc.a, stmp-multilib): Pass NM_FOR_TARGET.
1946 * mklibgcc.in: If SHLIB_MKMAP, build libgcc.map. Depend the
1947 shared library build on that and EXTRA_MULTILIB_PARTS.
1948 * mkmap-flat.awk: New file.
1949 * mkmap-symver.awk: New file.
1950 * libgcc-std.ver: New file.
1951 * config/libgcc-glibc.ver: New file.
1952 * config/ia64/libgcc-ia64.ver: New file.
1953 * config/t-linux (SHLIB_MKMAP, SHLIB_MAPFILES): New.
1954 (SHLIB_LINK): Add --version-script.
1955 * config/ia64/t-ia64 (SHLIB_MAPFILES): Add libgcc-ia64.ver.
1956 * config/mips/t-iris6 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
1957 * config/sparc/t-sol2 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
1958 (SHLIB_LINK): Add -M.
1960 2000-10-05 Richard Henderson <rth@cygnus.com>
1962 * Makefile.in (LIB2FUNCS): Add _clz.
1963 * libgcc2.c (__ffsdi2): Use count_trailing_zeros.
1964 (__clz_tab): Put in its own unit, non-static.
1965 * libgcc2.h: Always include longlong.h.
1967 * longlong.h [alpha] (count_leading_zeros): Use cmpbge with
1968 a zero instead of -1.
1969 (count_trailing_zeros): Likewise.
1971 2000-10-05 Richard Henderson <rth@cygnus.com>
1973 * config/alpha/alpha.c (alpha_emit_setcc): Don't swap GT tests
1974 when second op1 is const0_rtx. Validate op0 as a register.
1975 * config/alpha/alpha.md (setcc_internal): Don't allow constants
1976 in the first argument of the compare.
1977 (setcc_swapped_internal): Likewise.
1978 (setne_internal): Likewise.
1980 2000-10-05 Geoff Keating <geoffk@cygnus.com>
1982 * tree.c (tree_size): New function split out of copy_node.
1983 (make_node): Remove obstack handling. Use tree_size.
1984 (copy_node): Use tree_size.
1985 * tree.h: Prototype tree_size.
1987 2000-10-05 Richard Henderson <rth@cygnus.com>
1989 * diagnostic.c (output_format): Add missing break.
1991 2000-10-05 Jim Wilson <wilson@cygnus.com>
1993 * function.c (fixup_var_refs_1, case SET): When gen_move_insn returns a
1994 SEQUENCE, call emit_insn_before, copy PATTERN and REG_NOTES of last
1995 sequence insn to INSN, and delete last sequence insn.
1997 2000-10-05 Phil Edwards <pme@gcc.gnu.org>
1999 * gcc.c (main): Include generated configargs.h header
2000 and use arguments in '-v' output.
2002 Thu Oct 5 16:16:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2004 * gcc.c: Move data on prefixes forward in file and reorganize.
2005 (md_exec_prefix, md_startfile_prefix, md_startfile_prefix_1):
2006 Always define, but make null if no value.
2007 (static_specs): Add "md_exec_prefix", "md_startfile_prefix",
2008 and "md_startfile_prefix_1".
2009 (main): Check whether md_exec_prefix and the others are the
2010 null string rather than whether the macro is defined.
2012 Thu Oct 5 19:04:18 2000 J"orn Rennecke <amylaar@redhat.co.uk>
2014 * (convert_move): Use zero_extendpsisi2 to do an unsigned extension
2015 from PSImode to SImode.
2017 2000-10-05 Jakub Jelinek <jakub@redhat.com>
2019 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETICS]: Fix conversion
2020 from float to integral mode with HOST_BITS_PER_WIDE_INT 64.
2021 * dwarf2out.c (add_const_value_attribute): Divide by 4, not
2024 Thu Oct 5 09:31:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2026 * fold-const.c (fold, case MINUS_EXPR, case EQ_EXPR): Perform
2027 negation in proper type.a
2029 2000-10-04 Richard Henderson <rth@cygnus.com>
2031 * configure.in (enable-shared): New.
2032 * Makefile.in (LIBGCC_DEPS): Depend on EXTRA_PARTS as well.
2033 (libgcc.mk): Pass SHLIB_LINK, SHLIB_LIBS, SHLIB_MULTILIB to mklibgcc.
2034 * mklibgcc.in: Use them to link shared a libgcc.
2035 * config/t-linux (SHLIB_LINK, SHLIB_LIBS): New.
2036 * config/alpha/t-ieee (SHLIB_MULTILIB): New.
2037 * config/mips/t-iris6 (SHLIB_LINK, SHLIB_LIBS): New.
2038 * config/sparc/t-sol2 (SHLIB_LINK, SHLIB_LIBS): New.
2040 * configure.in (alpha-osf*): Use t-osf and x-osf.
2041 * config/alpha/t-osf: New file.
2042 * config/alpha/t-osf4: New file.
2043 * config/alpha/x-osf: New file.
2044 * config/alpha/x-alpha: Remove file.
2046 2000-10-04 Will Cohen <wcohen@redhat.com>
2048 * c-typeck.c (process_init_element): Added warning for zero-length
2051 * extend.texi (Zero Length): State that static initializers for
2052 zero-length arrays are not allowed.
2054 Mon Oct 2 14:50:14 MET DST 2000 Jan Hubicka <jh@suse.cz>
2056 * rtlanal.c (single_set_1): Do not require USE and CLOBBERs
2059 2000-10-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2061 * config/float-c4x.h: New.
2062 * configure.in (c4x-*): Set float_format to c4x.
2063 * configure: Regenerate.
2065 2000-10-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2067 * configure.in (sparc-*-solaris2*): Disable 32-to-64 cross
2068 compilation for solaris versions 2.7 and greater.
2070 2000-10-02 Marc Espie <espie@openbsd.org>
2072 * config/alpha.h (WORD_SWITCH_TAKES_ARG): add -rpath to default,
2073 instead of redefining from scratch.
2075 2000-10-02 David O'Brien <obrien@dragon.nuxi.com>
2077 * config/i386/freebsd.h (NO_PROFILE_COUNTERS): Define.
2079 2000-10-01 Mark Mitchell <mark@codesourcery.com>
2081 * config/ns32k/genix.h: Remove.
2082 * config/ns32k/x-genix: Likewise.
2083 * config/ns32k/xm-genix.h: Likewise.
2084 * config/fx80: Remove all filee in directory.
2085 * config/pyr: Likewise.
2086 * config/tahoe: Likewise.
2087 * config/gmicro: Likewise.
2088 * config/spur: Likewise.
2089 * configure.in: Remove configury bits for above targets.
2090 * configure: Regenerated.
2092 * configure.in: Don't configure chill by default.
2093 * configure: Regenerated.
2095 * c-decl.c (c_expand_body): Don't generate RTL if flag_syntax_only.
2096 (lang_mark_false_label_stack): Remove.
2097 * c-lex.c (init_c_lex): Add file_info_tree as GC root. Allocate
2098 <top level> string in GC area.
2099 (mark_splay_tree_node): New function.
2100 (mark_splay_tree): Likewise.
2101 * except.c (mark_eh_status): Only call lang_mark_false_label_stack
2103 * ggc-callbacks.c (lang_mark_false_label_stack): Remove.
2104 * ggc-common.c (lang_mark_false_label_stack): Change type.
2105 * ggc.h (ggc_alloc_string): Add comment.
2106 (ggc_strdup): New function.
2108 Sat Sep 23 19:10:20 2000 Denis Chertykov <denisc@overta.ru>
2110 * config/avr/avr.h (BRANCH_COST): Define as 0.
2112 * config/pdp11/pdp11.c: #include "tree.h" added.
2114 2000-09-30 Marek Michalkiewicz <marekm@linux.org.pl>
2116 * config/avr/avr.c (ashlhi3_out, ashlsi3_out, ashrhi3_out,
2117 ashrsi3_out, lshrhi3_out, lshrsi3_out): Optimize more cases
2118 with known shift count.
2119 * config/avr/avr.md (ashlsi3, ashrsi3, lshrsi3):
2120 New alternative for shift count 2 with no scratch register.
2121 (ashlhi3, ashlsi3): Change "cc" attribute from "clobber" to
2122 "set_n" for shift counts 1 and 2.
2124 2000-09-30 Geoff Keating <geoffk@cygnus.com>
2126 * config/rs6000/rs6000.md (movsi_to_cr): Remove the USE. Calculate
2127 the mask value from the individual SET operations.
2128 (return_internal_si): Move the USE after the RETURN.
2129 (return_internal_di): Likewise.
2130 (return_and_restore_fpregs_si): Likewise.
2131 (return_and_restore_fpregs_di): Likewise.
2132 (return_eh_si): Likewise.
2133 (return_eh_di): Likewise.
2134 * config/rs6000/rs6000.c (mtcrf_operation): Don't look for,
2136 (rs6000_emit_prologue): Don't emit the USE for movsi_to_cr.
2137 Don't generate a PARALLEL around a single operation movsi_to_cr.
2138 Generate the RETURN first in any PARALLELs.
2140 * rtlanal.c (single_set_1): Use fatal_insn to display the
2141 invalid insn. Check for more cases when a USE or CLOBBER occurs
2143 * Makefile.in: Update dependencies for rtlanal.o.
2145 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
2147 * i386.c: Move include of "config.h" to before that of <setjmp.h>.
2149 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
2151 * c-tree.texi, contrib.texi, gcc.texi, install.texi, invoke.texi:
2152 Consistently use @email for formatting email addresses.
2154 2000-09-29 Richard Henderson <rth@cygnus.com>
2156 * cse.c (notreg_cost): New argument outer.
2157 (COST): Pass in SET to notreg_cost
2159 (fold_rtx): Use COST_IN. Prefer constants when costs
2162 2000-09-29 David Edelsohn <edelsohn@gnu.org>
2164 * fixinc/inclhack.def (broken_cabs): Generalize regex.
2165 * fixinc/fixincl.x: Regenerate.
2167 2000-09-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2169 * loop.c (check_final_value): A GIV is not replaceable if used
2172 Fri Sep 29 10:04:12 2000 Jeffrey A Law (law@cygnus.com)
2174 * version.c: Bump to gcc-2.97.
2176 Frs Sep 29 13:37:59 MET DST 2000 Jan Hubicka <jh@suse.cz>
2178 * final.c (final_scan_insn): Remove extra extract_insn call;
2179 Use caching for constrain_operands.
2180 (cleanup_subreg_operands): Use caching for extract_insn.
2181 * recog.c (constrain_operands_cached): New.
2182 * recog.h (constrain_operands_cached): Declare.
2183 * i386.c (ix86_attr_length_immediate_default,
2184 ix86_attr_length_address_default, ix86_agi_dependant): Cache
2187 * recog.c (asm_noperands): Tweak.
2188 (extract_insn): Do not call asm_noperads for non-asm instructions.
2190 Fri Sep 29 13:20:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
2192 * recog.c (recog_memoized): Rename to recog_memoized_1.
2193 * recog.h (recog_memoized): Rename to recog_memoized_1.
2194 (recog_memoized): New macro.
2195 * rtl.h (single_set): Rename to single_set_1
2196 (single_set): New macro.
2197 * rtlanal.c (single_set): Rename to single_set_1; expect clobbers
2200 * i386.md (strmovsi_1, strmovhi_1 strmovqi_1):
2201 Do not use match_dup of input operands at outputs.
2202 Use register_operand for memory expression.
2203 (rep_movsi): Put use last, canonicalize.
2204 Use register_operand for memory expression.
2205 (rep_movqi): Put use last.
2206 Use register_operand for memory expression.
2207 (strsetsi_1, strset_hi_1, strsetqi_1): Do not use match_dup
2208 of input operands at outputs. Use register_operand for memory
2210 (rep_stossi): Put use last; canonicalize; fix match_dup in
2211 the address expression
2212 (rep_stosqi): Likewise.
2213 (memcmp expander): Update calls.
2214 (cmpstrsi_nz_1, cmpstrsi_1, strlensi_1): Avoid match_dups in
2217 * i386.md (fp_jcc_3, fp_jcc_4, jp_fcc_5): if_then_else operand is
2219 (fp_jcc_4, fp_jcc_3): Refuse unordered comparisons.
2221 2000-09-28 David O'Brien <obrien@FreeBSD.org>
2223 * config/i386/freebsd-aout.h: New, FreeBSD a.out config file.
2224 Contains the old contents of config/i386/freebsd.h
2225 * config/i386/freebsd.h: Now the ELF rather than a.out config file.
2226 Contains the old contents of config/i386/freebsd-elf.h
2227 * config/i386/freebsd-elf.h: Retire this file -- contents moved to
2228 config/i386/freebsd.h.
2229 * configure.in: Adjust for above changes.
2230 * po/POTFILES.in: Likewise.
2231 * po/en_GB.po: Likewise.
2232 * po/gcc.pot: Likewise.
2233 * configure: Rebuilt.
2235 2000-09-28 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2237 * doloop.c (doloop_modify): Prevent delete_insn() from
2238 deleting too much. Prefer loop->top over loop->start as
2239 target for the new JUMP insn.
2240 (doloop_valid_p): Ignore loop with exit_count != 0.
2242 2000-09-28 Philipp Thomas <pthomas@suse.de>
2244 * invoke.texi (i386 Options): Add athlon to table of possible
2247 2000-09-28 Gabriel Dos Reis <gdr@codesourcery.com>
2249 * diagnostic.h (output_clear_message_text): New function.
2250 (output_message_text): New macro.
2252 * diagnostic.c (clear_text_info): Rename to
2253 output_clear_message_text.
2254 (output_clear): Adjust.
2255 (output_finish): Rename to output_finalize_message. Tweek.
2256 (output_to_stream): Adjust.
2258 2000-09-28 Neil Booth <neilb@earthling.net>
2260 * cpperror.c (_cpp_begin_message): Do the test for suppression
2261 of warnings and pedantic warnings before the "is a warning an
2263 * cppinit.c (cpp_handle_option): Remove surplus \n.
2264 * cpplex.c (ON_REST_ARG): Delete.
2265 (skip_block_comment): Initialise prevc.
2266 (parse_args): Improve error messages.
2267 (maybe_paste_with_next): Use CONTEXT_VARARGS rather
2269 * cpplib.c (cpp_push_buffer): Fix grammar in message.
2270 * cppmain.c (main): Set callbacks for #ident and #pragma
2271 only if no_output option is false.
2272 (do_pragma_implementation): Only call the #pragma handler
2273 if it is set in the cpp_reader structure.
2275 Wed Sep 27 14:00:07 2000 Donald Lindsay <dlindsay@cygnus.com>
2277 * integrate.c (copy_insn_list): if an ignored return value
2278 is being clobbered, skip cloning that into the inline copy.
2280 2000-09-27 Joseph S. Myers <jsm28@cam.ac.uk>
2282 * extend.texi, invoke.texi, gcc.texi, install.texi: Consistently
2283 use @uref for formatting URLs.
2285 2000-09-27 Mark Elbrecht <snowball3@bigfoot.com>
2287 * config/i386/djgpp.h (UNIQUE_SECTION): Constify the variables
2290 Tue 26-Sep-2000 18:25:38 BST Neil Booth <neilb@earthling.net>
2292 * gcc.c (cpp_options): Add spec for -ftabstop=.
2293 (invoke_as): New spec that handles invoking as.
2294 Update specs to handle -save-temps and -traditional.
2295 * ch/lang-specs.h, f/lang-specs.h, java/lang-specs.h:
2297 * cp/lang-specs.h, objc/lang-specs.h: Update to use
2298 invoke_as, and handle -save-temps and -traditional (if
2301 2000-09-26 Jakub Jelinek <jakub@redhat.com>
2303 * config/sparc/sparc.c (sparc_emit_set_const64): Don't abort when
2305 (function_arg_slotno): Accept TImode/CTImode.
2306 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): If IN_LIBGCC2 define
2309 2000-09-26 Michael Hayes <mhayes@cygnus.com>
2311 * flow.c (flow_loop_pre_header_scan): Punt if loop enters
2314 2000-09-25 Jim Wilson <wilson@cygnus.com>
2316 * config/ia64/ia64.h (INDEX_REG_CLASS): Define to GENERAL_REGS.
2317 (REGNO_OK_FOR_INDEX_P): Define to REGNO_OK_FOR_BASE_P.
2318 (LEGITIMATE_ADDRESS_DISP): Use LEGITIMATE_ADDRESS_REG.
2319 (REG_OK_FOR_INDEX): Define to REG_OK_FOR_BASE_P.
2321 Tue 26-Sep-2000 00:16:22 BST Neil Booth <neilb@earthling.net>
2323 * cpplex.c (parse_args): Don't set VOID_REST flag.
2324 (CONTEXT_VARARGS): New flag.
2325 (maybe_paste_with_next): Set context earlier in loop. Use
2326 it. Do varargs test with CONTEXT_VARARGS flag.
2327 (push_arg_context): Set CONTEXT_VARARGS flag if we're
2328 pushing an argument context for a varargs argument.
2329 * cpplib.h (VOID_REST): Delete.
2330 * gcc.dg/cpp/vararg1.c: Add test case.
2332 2000-09-25 Branko Cibej <branko.cibej@hermes.si>
2334 * flags.h: Declare warning flag warn_system_headers.
2335 * toplev.c: Define it.
2336 (W_options): Add option -Wsystem-headers.
2337 * diagnostic.c (count_error): Test warn_system_headers.
2338 * invoke.texi: Add description for -Wsystem-headers.
2339 * cpplib.h (cpp_options): New member warn_system_headers.
2340 * cpphash.h (CPP_PEDANTIC, CPP_WTRADITIONAL): Don't test
2341 CPP_IN_SYSTEM_HEADER.
2342 * cpplib.c (do_import, do_pragma_once): Likewise.
2343 * cpperror.c (_cpp_begin_message): Test warn_system_headers
2344 and CPP_IN_SYSTEM_HEADER.
2345 * cppinit.c (handle_option): Recognize -Wsystem_headers.
2346 (print_help): Describe -Wsystem_headers.
2347 * cpplex.c (lex_line): Reorganize condition so that warnings
2348 about C++ comments in system headers can be enabled. Remove
2349 label do_line_comment.
2351 Mon 25-Sep-2000 23:38:27 BST Neil Booth <neilb@earthling.net>
2353 * cpplex.c (save_comment): Only store the initial '/'
2355 (lex_token): Combine handling of the two comment types.
2356 Pass everything but the initial '/' to save_comment.
2358 Mon 25-Sep-2000 23:31:45 BST Neil Booth <neilb@earthling.net>
2360 * cpphash.h (_cpp_digraph_spellings, _cpp_process_directive,
2361 _cpp_can_paste): New library-internal prototypes.
2362 * cpplex.c (dump_param_spelling, output_line_command,
2363 output_token, cpp_scan_buffer, cpp_scan_buffer_nooutput,
2364 cpp_printf, cpp_output_list): Move to cppoutput.c.
2365 (process_directive, can_paste, digraph_spellings): Add _cpp_ prefix.
2366 * cppmacro.c (dump_macro_args, cpp_dump_definition) Move to
2368 * cppoutput.c (dump_macro_args, cpp_dump_definition, output_token,
2369 dump_param_spelling, output_line_command, cpp_scan_buffer,
2370 cpp_scan_buffer_nooutput, cpp_printf, cpp_output_list): Moved
2372 * Makefile.in: Add cppoutput.c.
2373 * po/POTFILES.in: Add cppoutput.c.
2375 2000-09-25 Richard Henderson <rth@cygnus.com>
2377 * config/ia64/ia64.c (ia64_print_operand): Define 'e' as 64-n.
2378 * config/ia64/ia64.md (rotrsi3): Allow variable rotates; don't
2379 split until after reload.
2380 (rotlsi3, rotldi3): New.
2382 2000-09-25 Gabriel Dos Reis <gdr@codesourcery.com>
2384 * diagnostic.c (output_last_position): Define.
2385 (set_real_maximum_length): Tweek.
2386 * diagnostic.h (output_last_position): Declare.
2388 2000-09-25 Kazu Hirata <kazu@hxi.com>
2390 * config/i386/i386.c: Fix formatting.
2392 2000-09-24 Alan Lehotsky <alehotsky@cygnus.com>
2394 * emit-rtl-c (gen_lowpart_common): Accept non-paradoxical SUBREG when
2395 UNITS_PER_WORD is small.
2397 2000-09-25 Joseph S. Myers <jsm28@cam.ac.uk>
2399 * c-common.c (format_char_info): Add flags2; update comments.
2400 (print_char_table, scan_char_table, time_char_table): Split some
2401 flags out into flags2.
2402 (check_format_info): Use flags2 for those flags, for identifying
2403 the initial character of a scanf scanset, and for identifying
2404 printf formats where the '0' flag is ignored with precision.
2406 2000-09-25 Hans-Peter Nilsson <hp@axis.com>
2408 Changes below marked "here" add TABs on either or both sides,
2409 covering start of line, up to any operand for all noted .*ASM.*_OP
2410 definitions. All callers changed.
2411 * tm.texi: Make documented *_ASM.*_OP:s include spacing
2412 (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, SHARED_SECTION_ASM_OP,
2413 BSS_SECTION_ASM_OP, SHARED_BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
2414 ASM_BYTE_OP, FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
2415 ASM_STABS_OP, ASM_STABD_OP, ASM_STABN_OP).
2416 Fix typos in description for LONG_LONG_TYPE_SIZE and
2417 FINI_SECTION_ASM_OP.
2418 * crtstuff.c (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Explain
2419 why these defaults don't have leading spacing.
2420 * dbxout.c (ASM_STABS_OP, ASM_STABN_OP): Here.
2421 * dwarf2out.c (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
2422 UNALIGNED_DOUBLE_INT_ASM_OP, SECTION_ASM_OP, ASM_BYTE_OP): Here.
2423 * dwarfout.c (FILE_ASM_OP, VERSION_ASM_OP,
2424 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP, ASM_BYTE_OP,
2425 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP): Here.
2426 * defaults.h (ASM_STABD_OP, EH_FRAME_SECTION_ASM_OP): Here.
2427 * varasm.c (ASM_STABS_OP): Here.
2428 * xcoffout.h (ASM_STABS_OP): Here.
2429 * config/elfos.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
2430 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
2431 INT_ASM_OP, ASCII_DATA_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP,
2432 STRING_ASM_OP): Here.
2433 * config/freebsd.h (IDENT_ASM_OP): Here.
2434 * config/linux-aout.h (SET_ASM_OP): Here.
2435 * config/linux.h (SET_ASM_OP): Here.
2436 * config/lynx.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
2438 * config/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
2439 * config/nextstep.h (EH_FRAME_SECTION_ASM_OP, ALIGN_ASM_OP): Here.
2440 * config/openbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
2441 * config/psos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
2443 * config/ptx4.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
2444 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
2445 INT_ASM_OP, ASCII_DATA_ASM_OP, CONST_SECTION_ASM_OP,
2446 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
2447 FINI_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP STRING_ASM_OP): Here.
2448 * config/svr3.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
2449 CONST_SECTION_ASM_OP, ASM_BYTE_OP): Here.
2450 * config/a29k/udi.h (INT_ASM_OP): Here.
2451 * config/alpha/alpha-interix.h (CONST_SECTION_ASM_OP,
2452 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
2454 * config/alpha/alpha.h (TEXT_SECTION_ASM_OP,
2455 READONLY_DATA_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2456 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
2457 UNALIGNED_DOUBLE_INT_ASM_OP, ASM_STABS_OP, ASM_STABN_OP,
2458 ASM_STABD_OP): Here.
2459 * config/alpha/elf.h (IDENT_ASM_OP, SKIP_ASM_OP, ALIGN_ASM_OP,
2460 COMMON_ASM_OP, INT_ASM_OP, ASCII_DATA_ASM_OP,
2461 CONST_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
2462 BSS_SECTION_ASM_OP, SBSS_SECTION_ASM_OP, SDATA_SECTION_ASM_OP,
2463 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP, TYPE_ASM_OP,
2464 SIZE_ASM_OP, STRING_ASM_OP): Here.
2465 * config/alpha/vms.h (LINK_SECTION_ASM_OP,
2466 READONLY_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP,
2467 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, COMMON_ASM_OP): Here.
2468 * config/arc/arc.h (ASM_BYTE_OP, SET_ASM_OP): Here.
2469 (PUSHSECTION_ASM_OP): Define this, not PUSHSECTION_FORMAT.
2470 * config/arm/aof.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP):
2472 * config/arm/aout.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2473 BSS_SECTION_ASM_OP, SET_ASM_OP): Here.
2474 * config/arm/coff.h (INT_ASM_OP): Here.
2475 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Here.
2476 * config/arm/elf.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP): Here.
2477 * config/arm/linux-elf.h (IDENT_ASM_OP, CONST_SECTION_ASM_OP,
2478 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Here.
2479 * config/arm/unknown-elf.h (UNALIGNED_WORD_ASM_OP): Here.
2480 * config/avr/avr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2481 ASM_BYTE_OP, TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP,
2482 STRING_ASM_OP): Here. Update documentation copy in comments.
2483 * config/c4x/c4x.h (ASM_STABS_OP, BSS_SECTION_ASM_OP): Here.
2484 * config/clipper/clipper.h (TEXT_SECTION_ASM_OP,
2485 DATA_SECTION_ASM_OP): Here.
2486 * config/clipper/clix.h (BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP):
2488 * config/convex/convex.h (TEXT_SECTION_ASM_OP,
2489 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
2490 * config/d30v/d30v.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2491 BSS_SECTION_ASM_OP): Here.
2492 * config/fr30/fr30.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2493 BSS_SECTION_ASM_OP): Here.
2494 * config/fx80/fx80.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2496 * config/gmicro/gmicro.h (TEXT_SECTION_ASM_OP,
2497 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
2498 * config/h8300/h8300.h (ASM_WORD_OP): Here.
2499 * config/i370/i370.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2500 BSS_SECTION_ASM_OP): Here.
2501 * config/i386/aix386.h (INIT_SECTION_ASM_OP): Here.
2502 * config/i386/bsd.h (ASM_BYTE_OP): Here.
2503 * config/i386/cygwin.h (SET_ASM_OP, INT_ASM_OP): Here.
2504 * config/i386/dgux.h (CONST_SECTION_ASM_OP): Here.
2505 * config/i386/djgpp.h (IDENT_ASM_OP, INT_ASM_OP, SET_ASM_OP):
2507 * config/i386/freebsd-elf.h (SET_ASM_OP): Here.
2508 * config/i386/freebsd.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP):
2510 * config/i386/i386-coff.h (CTORS_SECTION_ASM_OP,
2511 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
2512 * config/i386/i386-interix.h (STRING_ASM_OP, CONST_SECTION_ASM_OP,
2513 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
2515 * config/i386/i386elf.h (BSS_SECTION_ASM_OP): Here.
2516 * config/i386/netbsd.h (INT_ASM_OP): Here.
2517 * config/i386/openbsd.h (INT_ASM_OP): Here.
2518 * config/i386/osfrose.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP,
2519 IDENT_ASM_OP): Here.
2520 * config/i386/sco5.h (ALIGN_ASM_OP, ASCII_DATA_ASM_OP,
2521 ASM_BYTE_OP, IDENT_ASM_OP, COMMON_ASM_OP, SET_ASM_OP,
2522 LOCAL_ASM_OP, INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, STRING_ASM_OP,
2523 SKIP_ASM_OP, GLOBAL_ASM_OP): Here.
2524 * config/i386/seq-sysv3.h (SHARED_SECTION_ASM_OP,
2525 SHARED_BSS_SECTION_ASM_OP): Here.
2526 * config/i386/sequent.h (SHARED_SECTION_ASM_OP): Here.
2527 * config/i386/sun386.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
2528 DATA_SECTION_ASM_OP): Here.
2529 * config/i386/svr3gas.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
2530 CONST_SECTION_ASM_OP): Here.
2531 * config/i386/sysv3.h (INIT_SECTION_ASM_OP): Here.
2532 * config/i386/unix.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2533 BSS_SECTION_ASM_OP): Here.
2534 * config/i860/bsd-gas.h (ASCII_DATA_ASM_OP): Here.
2535 * config/i860/bsd.h (ASCII_DATA_ASM_OP): Here.
2536 * config/i860/fx2800.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP,
2537 BSS_ASM_OP): Here, but use trailing spaces.
2538 * config/i860/i860.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
2539 DATA_SECTION_ASM_OP): Here.
2540 * config/i860/paragon.h (ASCII_DATA_ASM_OP, BSS_SECTION_ASM_OP):
2542 * config/i860/sysv3.h (ASCII_DATA_ASM_OP, CTORS_SECTION_ASM_OP,
2543 DTORS_SECTION_ASM_OP, TDESC_SECTION_ASM_OP): Here.
2544 * config/i860/sysv4.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
2545 TDESC_SECTION_ASM_OP): Here.
2546 * config/i960/i960-coff.h (CTORS_SECTION_ASM_OP,
2547 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
2548 * config/i960/i960.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2550 * config/ia64/ia64.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2551 BSS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
2552 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
2553 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
2554 * config/ia64/sysv4.h (ASM_BYTE_OP, STRING_ASM_OP, SKIP_ASM_OP,
2555 COMMON_ASM_OP, ASCII_DATA_ASM_OP, INIT_SECTION_ASM_OP,
2556 FINI_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
2557 SDATA_SECTION_ASM_OP, SBSS_SECTION_ASM_OP): Here.
2558 * config/m32r/m32r.h (SCOMMON_ASM_OP): Here.
2559 * config/m68hc11/m68hc11.h (GLOBAL_ASM_OP): Here.
2560 * config/m68k/auxas.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
2561 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
2563 * config/m68k/coff.h (BSS_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
2564 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
2565 * config/m68k/crds.h (BSS_SECTION_ASM_OP): Here.
2566 * config/m68k/dpx2.h (ASM_BYTE_OP, GLOBAL_ASM_OP): Here.
2567 * config/m68k/hp320.h (ASCII_DATA_ASM_OP, GLOBAL_ASM_OP): Here.
2568 * config/m68k/linux.h (BSS_SECTION_ASM_OP): Here.
2569 * config/m68k/lynx.h (BSS_SECTION_ASM_OP): Here.
2570 * config/m68k/m68k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2571 GLOBAL_ASM_OP): Here.
2572 * config/m68k/m68kelf.h (SWBEG_ASM_OP, BSS_ASM_OP,
2573 BSS_SECTION_ASM_OP): Here.
2574 * config/m68k/m68kv4.h (BSS_ASM_OP): Here.
2575 * config/m68k/mot3300.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2576 ASCII_DATA_ASM_OP, SET_ASM_OP, CTORS_SECTION_ASM_OP,
2577 DTORS_SECTION_ASM_OP, GLOBAL_ASM_OP, ASM_BYTE_OP, ALIGN_ASM_OP,
2579 * config/m68k/newsgas.h (SET_ASM_OP): Here.
2580 * config/m68k/rtemself.h (INIT_SECTION_ASM_OP,
2581 FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
2582 * config/m68k/sgs.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
2583 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
2584 SET_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here,
2585 but use trailing spaces.
2586 * config/m68k/tower-as.h (TEXT_SECTION_ASM_OP,
2587 DATA_SECTION_ASM_OP, GLOBAL_ASM_OP, INIT_SECTION_ASM_OP,
2588 FINI_SECTION_ASM_OP, CONST_SECTION_ASM_OP, BSS_SECTION_ASM_OP):
2590 * config/m88k/dgux.h (FINI_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
2591 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
2592 * config/m88k/m88k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2593 CONST_SECTION_ASM_OP, TDESC_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
2594 DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
2595 IDENT_ASM_OP, FILE_ASM_OP, SECTION_ASM_OP, SET_ASM_OP,
2596 GLOBAL_ASM_OP, ALIGN_ASM_OP, SKIP_ASM_OP, COMMON_ASM_OP,
2597 BSS_ASM_OP, FLOAT_ASM_OP, DOUBLE_ASM_OP, INT_ASM_OP, SHORT_ASM_OP,
2598 CHAR_ASM_OP, ASCII_DATA_ASM_OP, SBSS_ASM_OP, SCOMM_ASM_OP,
2599 SDATA_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, INTERNAL_ASM_OP,
2600 VERSION_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
2601 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP, REQUIRES_88110_ASM_OP,
2603 * config/m88k/openbsd.h (SET_ASM_OP): Here.
2604 * config/m88k/sysv4.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
2605 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
2606 * config/mcore/mcore-elf.h (UNALIGNED_INT_ASM_OP,
2607 UNALIGNED_SHORT_ASM_OP, CTORS_SECTION_ASM_OP,
2608 DTORS_SECTION_ASM_OP): Here.
2609 * config/mcore/mcore-pe.h (CTORS_SECTION_ASM_OP,
2610 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
2611 * config/mips/elf.h (TYPE_ASM_OP, SIZE_ASM_OP,
2612 BSS_SECTION_ASM_OP): Here.
2613 * config/mips/elf64.h (TYPE_ASM_OP, SIZE_ASM_OP): Here.
2614 * config/mips/iris5.h (ABICALLS_ASM_OP): Here.
2615 * config/mips/iris6.h (TYPE_ASM_OP, SIZE_ASM_OP,
2616 POPSECTION_ASM_OP, BSS_SECTION_ASM_OP, CONST_SECTION_ASM_OP_32,
2617 CONST_SECTION_ASM_OP_64, CTORS_SECTION_ASM_OP,
2618 DTORS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
2619 * config/mips/mips.c (ABICALLS_ASM_OP): Here.
2620 * config/mips/mips.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP):
2622 * config/mips/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP):
2624 * config/mips/osfrose.h (SET_ASM_OP): Here.
2625 * config/mips/sni-svr4.h (ABICALLS_ASM_OP): Here.
2626 * config/ns32k/encore.h (SHARED_SECTION_ASM_OP): Here.
2627 * config/ns32k/merlin.h (SHARED_SECTION_ASM_OP): Here.
2628 * config/ns32k/ns32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2630 * config/ns32k/sequent.h (SHARED_SECTION_ASM_OP): Here.
2631 * config/ns32k/tek6000.h (SHARED_SECTION_ASM_OP): Here.
2632 * config/pa/pa-64.h (INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP): Here.
2633 * config/pa/pa.h (ASM_STABS_OP, ASM_STABN_OP): Here.
2634 * config/pj/pj.h (SET_ASM_OP, BSS_SECTION_ASM_OP): Here.
2635 * config/pyr/pyr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2637 * config/romp/romp.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2639 * config/rs6000/rs6000.h (SET_ASM_OP): Here.
2640 * config/rs6000/sol2.h (ASM_STABN_OP): Here.
2641 * config/rs6000/sysv4.h (SKIP_ASM_OP, LOCAL_ASM_OP, LCOMM_ASM_OP):
2643 * config/sh/sh.h (SET_ASM_OP, BSS_SECTION_ASM_OP,
2644 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here.
2645 * config/sparc/linux.h (COMMON_ASM_OP): Here.
2646 * config/sparc/linux64.h (COMMON_ASM_OP,
2647 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
2648 * config/sparc/litecoff.h (BSS_SECTION_ASM_OP,
2649 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
2650 * config/sparc/lynx.h (BSS_SECTION_ASM_OP): Here.
2651 * config/sparc/pbd.h (ASM_INT_OP): Here.
2652 * config/sparc/sp64-elf.h (UNALIGNED_LONGLONG_ASM_OP): Here.
2653 * config/sparc/sparc.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
2654 DATA_SECTION_ASM_OP, IDENT_ASM_OP): Here.
2655 * config/sparc/sun4gas.h (UNALIGNED_DOUBLE_INT_ASM_OP,
2656 UNALIGNED_INT_ASM_OP, UNALIGNED_SHORT_ASM_OP): Here.
2657 * config/sparc/sysv4.h (STRING_ASM_OP, COMMON_ASM_OP, SKIP_ASM_OP,
2658 UNALIGNED_DOUBLE_INT_ASM_OP, UNALIGNED_INT_ASM_OP,
2659 UNALIGNED_SHORT_ASM_OP, PUSHSECTION_ASM_OP, POPSECTION_ASM_OP,
2660 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP,
2661 CONST_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
2662 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
2663 EH_FRAME_SECTION_ASM_OP): Here.
2664 * config/sparc/vxsim.h (COMMON_ASM_OP): Here.
2665 * config/spur/spur.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2667 * config/tahoe/tahoe.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2669 * config/v850/v850.h (SCOMMON_ASM_OP, ZCOMMON_ASM_OP,
2670 TCOMMON_ASM_OP): Here.
2671 * config/vax/vax.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2673 * config/we32k/we32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2676 2000-09-25 Richard Henderson <rth@cygnus.com>
2678 * expmed.c (store_bit_field): Adjust last change to not consider
2679 any word-sized field naturally aligned.
2681 2000-09-24 Richard Henderson <rth@cygnus.com>
2683 * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
2684 TFmode unordered compares properly. Revalidate integer compare
2686 (alpha_emit_setcc): New.
2687 (alpha_emit_conditional_move): Revalidate integer compare operands.
2688 * config/alpha/alpha-protos.h: Update.
2689 * config/alpha/alpha.md (cmpdi): Allow general operands.
2690 (sne): Use alpha_emit_setcc.
2691 (seq, slt, sle, sgt, sge, sltu, sleu, sgtu, sgeu): Likewise.
2692 (sunordered, sordered): New.
2694 2000-09-24 Richard Henderson <rth@cygnus.com>
2696 * config/ia64/ia64-protos.h: Update.
2697 * config/ia64/ia64.c (call_multiple_values_operation): Remove.
2698 (ia64_expand_call): New.
2699 (ia64_expand_prologue): Emit an alloc if we need extra input
2701 (ia64_expand_epilogue): New arg sibcall_p; don't emit the return
2702 instruction if true.
2703 (struct reg_flags): Add is_sibcall.
2704 (rtx_needs_barrier): A sibcall does not use CFM et al. Ignore USEs.
2705 (emit_insn_group_barriers): Set flags.is_sibcall. Remove hacks
2706 for CODE_FOR_gr_spill_internal/CODE_FOR_gr_restore_internal.
2707 * config/ia64/ia64.h (PREDICATE_CODES): Update.
2708 * config/ia64/ia64.md (call): Use ia64_expand_call.
2709 (call_value): Likewise.
2710 (sibcall, sibcall_value): New.
2711 (call patterns): Remove extra expanders; tidy.
2712 (sibcall_epilogue): New.
2713 (set_bsp): Remove the extra USE. Put the operand inside the UNSPEC.
2715 2000-09-24 Richard Henderson <rth@cygnus.com>
2717 * emit-rtl.c (gen_lowpart_common): Use trunc_int_for_mode.
2719 * sibcall.c (skip_pic_restore): New.
2720 (identify_call_return_value): Use it.
2722 2000-09-24 Mark Mitchell <mark@codesourcery.com>
2724 * c-tree.texi: Moved here from cp/ir.texi. Documented nested
2725 functions. Generalize to handle both C and C++.
2726 * Makefile.in (c-tree.info): New target.
2727 (info): Add c-tree.info.
2729 Sun Sep 24 09:15:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2731 * expr.c (store_field): If BITSIZE is negative, use size of type.
2732 (expand_expr, case COMPONENT_EXPR): Likewise.
2734 Sun 24-Sep-2000 11:40:23 BST Neil Booth <NeilB@earthling.net>
2736 * cpplex.c: Update TODO comment.
2737 * cpplib.c (do_error, do_warning): Merge common code of
2738 do_error and do_warning into do_diagnostic. Use it.
2739 (do_diagnostic): New function.
2740 * cpplib.h: Fix comment typo.
2742 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
2744 * c-common.c (check_format_info): Warn for a wide character string
2745 used as a non-wide format argument.
2747 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
2749 * builtins.def (BUILT_IN_LLABS): Add.
2750 * builtins.c (expand_builtin): Also abort on BUILT_IN_LLABS.
2751 * c-common.c (c_common_nodes_builtins): Create builtin functions
2752 __builtin_llabs, and plain llabs unless no_nonansi_builtins
2753 outside of C99 mode.
2754 (expand_tree_builtin): Handle BUILT_IN_LLABS.
2756 Sat 23-Sep-2000 22:39:18 BST Neil Booth <NeilB@earthling.net>
2758 * cpphash.h (CPP_RESERVE, CPP_PUTS_Q, CPP_PUTS, CPP_PUTC_Q,
2759 CPP_PUTC, DUMMY_TOKEN, NO_DUMMY_TOKEN): Delete.
2760 * cpplex.c (_cpp_expand_token_space, _cpp_init_toklist,
2761 _cpp_free_toklist): No need to worry about extra dummy token
2762 at the start of token lists any more.
2763 (trigraph_ok): Only warn outside comments.
2764 (skip_block_comment): Set and clear lexing_comment.
2765 (skip_line_comment): Take a cpp_reader not cpp_buffer.
2766 Set and clear lexing_comment.
2767 (parse_number): Handle leading '.' indicated by pfile->seen_dot.
2768 (check_long_token): Delete.
2769 (lex_percent, lex_dot): New subroutines of lex_token to
2770 handle lexing of '.' and '%' without lookback.
2771 (lex_token): Use lex_dot and lex_percent.
2772 (lex_line): Don't check for LIST_OFFSET.
2773 (_cpp_init_input_buffer): Update for new _cpp_init_toklist.
2774 * cpplib.c (_cpp_parse_assertion): Similarly.
2775 (cpp_push_buffer): Initialize extra_char.
2776 * cpplib.h (LIST_OFFSET): Delete.
2777 (struct cpp_buffer): New member extra_char.
2778 (struct lexer_state): New members lexing_comment and seen_dot.
2780 2000-09-23 Jason Merrill <jason@redhat.com>
2782 * config/rs6000/x-aix41 (CLIB): Define here.
2783 * config/rs6000/t-aix43: Not here.
2784 * config/rs6000/t-aix41: Or here. Remove.
2785 * configure.in: Don't use it.
2787 2000-09-22 Jason Merrill <jason@redhat.com>
2789 * configure.in: Add test for HAVE_LD_DWARF_LINKONCE.
2790 * toplev.c: Use it to initialize flag_eliminate_dwarf2dups.
2791 * config.in: Regenerate.
2793 * configure.in: Fix checks for assembler features when using a
2794 one-tree assembler that has not yet been built.
2795 Fix --disable-threads.
2797 2000-09-19 Geoff Keating <geoffk@cygnus.com>
2799 * stmt.c (expand_asm_operands): Allow # in constraints.
2801 2000-09-22 Jason Merrill <jason@redhat.com>
2803 * c-lex.c (skip_white_space): Just treat CRs as horizontal whitespace.
2805 * dbxout.c (dbxout_symbol_name): Just use DECL_NAME for
2806 function-local names.
2808 2000-09-22 Brad Lucier <lucier@math.purdue.edu>
2809 Mark Mitchell <mark@codesourcery.com>
2811 * toplev.c (warn_disabled_optimization): Declare new warning flag.
2812 * flags.h (warn_disabled_optimization): Add it here.
2813 * gcse.c (gcse_main): Add warning when disabled.
2814 * invoke.texi: Document -Wdisabled-optimization.
2816 2000-09-21 Jason Merrill <jason@redhat.com>
2818 * dwarf2out.c (add_const_value_attribute): Multiply by length, not 4.
2820 * dwarf2out.c (tree_add_const_value_attribute): New fn.
2821 (gen_variable_die): Call it for non-definitions.
2823 * dwarf2out.c (die_struct): Add die_mark field.
2824 (mark_dies, unmark_dies): New fns.
2825 (clear_die_sizes): Remove.
2826 (print_die): Check die_symbol rather than die_offset.
2827 (build_abbrev_table, output_pubnames, output_aranges): Check
2828 die_mark rather than die_offset.
2829 (output_comp_unit): Move calc_die_sizes after build_abbrev_table.
2832 Thu 21-Sep-2000 18:19:05 BST Neil Booth <NeilB@earthling.net>
2834 * cppfiles.c (lookup_include_file): Rename to open_file.
2835 Always create a splay tree value, even on syscall failures.
2836 Negative entries indicated by fd == -2.
2837 Re-open files closed in the meantime.
2838 (_cpp_fake_include): Create a negative splay tree entry.
2839 (find_include_file, cpp_read_file): Update for function name
2841 * gcc.gd/cpp/mi4.c: Testcase.
2843 2000-09-21 Nick Clifton <nickc@redhat.com>
2845 * config/arm/t-arm-elf (MULTILIB_DIRNAMES): Enable multilibs for
2846 ARM and THUMB modes.
2848 * config/mcore/mcore.c: Fix compile time warnings.
2849 * config/mcore/mcore-protos.h: Fix compile time warnings.
2851 2000-09-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2853 * configure.in: Correct test of gcc_cv_glibc.
2854 * configure: Rebuilt.
2855 * config.in: Rebuilt.
2857 2000-09-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2859 * builtins.c (expand_builtin_fputs): Also expand when length!=1.
2860 (expand_builtin): Handle BUILT_IN_FWRITE.
2862 * builtins.def (BUILT_IN_FWRITE): New entry.
2864 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_fwrite.
2866 Wed Sep 20 15:39:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2868 * gcc.c (modify_target): New variable and struct.
2869 (process_command): Handle MODIFY_TARGET_NAME.
2870 * tm.texi (MODIFY_TARGET_NAME): Add documentation for new macro.
2871 * config/pa/pa.h (MODIFY_TARGET_NAME): New macro.
2873 * c-decl.c (finish_decl): Add else's to avoid referencing
2874 TYPE_DOMAIN of an ERROR_MARK.
2876 Wed Sep 20 21:44:31 2000 Denis Chertykov <denisc@overta.ru>
2878 * config/avr/avr.c (adjust_insn_length): Adjust lengths of
2881 2000-09-19 Marek Michalkiewicz <marekm@linux.org.pl>
2883 * config/avr/avr.md (neghi2): Add alternative for input and output
2884 operands in different registers, as in negsi2.
2885 (*negsi2): Remove '*' from the name. Use "movw" if available.
2887 2000-09-19 Jim Wilson <wilson@cygnus.com>
2889 * config/ia64/crtbegin.asm (__dso_handle): Delete use of
2890 HAVE_GAS_HIDDEN macro.
2892 Tue 19-Sep-2000 22:38:57 BST Neil Booth <NeilB@earthling.net>
2894 * cpplex.c (lex_line): Drop the EOF token for unknown
2895 directives in assembler.
2897 2000-09-19 David Edelsohn <edelsohn@gnu.org>
2899 * configure.in: Allow enable_threads_flag value of "aix". Define
2900 thread_file as "aix" for AIX 4.3 and above.
2901 * configure: Regenerated.
2903 * gthr-aix.h: New file.
2905 * rs6000/t-aix43: Replace soft-float multilib with pthread.
2906 Remove 403 processor multilib match. Fix rios2 processor multilib
2909 * rs6000/aix.h (ASM_DECLARE_FUNCTION_NAME): Use function_section
2910 to return to appropriate csect.
2912 2000-09-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2914 * builtins.c (is_valid_printf_arglist, expand_builtin_printf): New
2916 (expand_builtin_fputs): Set `target' parameter for `expand_expr'.
2917 (expand_builtin): Handle BUILT_IN_PUTCHAR, BUILT_IN_PUTS and
2920 * builtins.def (BUILT_IN_PUTCHAR, BUILT_IN_PUTS, BUILT_IN_PRINTF):
2923 * c-common.c (init_function_format_info): Handle __builtin_printf.
2924 Set `check_function_format_ptr'.
2925 (c_common_nodes_and_builtins): Set `puts_ftype' and
2926 `printf_ftype'. Declare __builtin_putchar, __builtin_puts,
2927 __builtin_printf and printf.
2929 * tree.c, tree.h (check_function_format_ptr): Declare.
2931 Tue 19-Sep-2000 18:26:57 BST Neil Booth <NeilB@earthling.net>
2933 * cppfiles.c (read_include_file): Take no special action for
2936 2000-09-19 Bernd Schmidt <bernds@redhat.co.uk>
2938 * final.c (insn_current_reference_address): Use INSN_SHUID of seq
2939 rather than that of branch.
2940 (shorten_branches): Don't increment insn_current_address twice.
2942 Undo most of the Wed Jan 27 23:39:53 1999 patch:
2943 * loop.h (struct induction): Delete members derived, ix and last_use.
2944 (struct loop_ivs): Delete members first_increment_giv and
2946 * loop.c (verify_dominator, find_life_end, cmp_recombine_givs_stats,
2947 recombine_givs): Delete functions.
2948 (find_and_verify_loops): Don't initialize cont_dominator.
2949 (strength_reduce): Lose code to try to find bivs that can be
2950 expressed as givs of another biv, and to convert biv increments
2952 Lose loop_scan_start variable, always use loop->scan_start.
2953 Don't call recombine_givs. Don't handle derived givs.
2954 (record_giv): Don't initialize derived and last_use fields.
2955 (biv_eliminiation_giv_has_0_offset): Lose code to handle derived
2957 * unroll.c (derived_regs): Delete static variable.
2958 (unroll_loop): Don't initialize it.
2959 (copy_loop_body): Lose code to handle derived givs.
2960 (find_splittable_givs): Don't check for givs made from biv
2962 Don't set derived_regs.
2964 Fix misapplied earlier patch:
2965 * config/sh/sh.md (floatsisf_ie): Reenable. Remove explicit reference
2967 (floatsisf2): Generate floatsisf_ie by default.
2968 (floatsisf_i4): Conditional on TARGET_SH4.
2970 (floatsisf2, floatsidf2, extendsfdf2): Also use reg_no_subreg_operand
2971 predicate for the expanders.
2973 2000-09-19 Richard Henderson <rth@cygnus.com>
2975 * config/i386/i386.h (CPP_CPU_SPEC): Define i586 and i686 symbols
2976 in addition to pentium and pentiumpro symbols.
2977 (CPP_CPU_DEFAULT_SPEC): Likewise.
2979 * c-typeck.c (c_expand_asm_operands): Restore the output tree
2982 * stmt.c (expand_expr_stmt): Only call warn_if_unused_value
2983 if the tree has side effects.
2984 (warn_if_unused_value): Do not warn about void constructs.
2986 * c-decl.c (poplevel): Invoke warn_about_unused_variables.
2988 * unroll.c (copy_loop_body): Update LABEL_NUSES before
2989 calling invert_jump.
2991 2000-09-18 Geoff Keating <geoffk@cygnus.com>
2993 * combine.c (can_combine_p): Don't substitute an ASM_OPERANDS
2996 2000-09-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2998 * Makefile.in (c-common.o): Depend on diagnostic.h.
3000 * c-common.c: Include diagnostic.h.
3002 (status_warning): New function.
3003 (check_format_info, maybe_read_dollar_number, check_format_types,
3004 finish_dollar_format_checking, check_function_format): Accept a
3005 `status' parameter. All callers changed.
3007 * c-common.h (check_function_format): Accept a `status' parameter.
3009 * c-typeck.c: Update call to `check_function_format'.
3011 2000-09-18 Richard Henderson <rth@cygnus.com>
3013 * c-decl.c (c_expand_body): Call mark_varargs before
3014 expand_function_start.
3016 2000-09-18 Geoff Keating <geoffk@cygnus.com>
3018 * config/rs6000/eabi-cn.asm: Use /**/ to delimit comments, not #.
3019 * config/rs6000/eabi-ci.asm: Likewise.
3021 2000-09-18 Richard Henderson <rth@cygnus.com>
3023 * emit-rtl.c (init_emit_once): Initialize const_tiny_rtx
3026 2000-09-18 Jim Wilson <wilson@cygnus.com>
3028 * unroll.c (loop_iterations): Pass increment to extend_for_giv_value
3029 before passing it to fold_rtx_mult_add.
3031 * unroll.c (final_giv_value): Pass increment through
3032 extend_value_for_giv before passing it to emit_iv_add_mult.
3034 * function.c (fixup_var_refs_1, case ZERO_EXTRACT): If we have a
3035 paradoxical subreg, then directly substitute the replacement and
3038 Mon 18-Sep-2000 22:12:44 BST Neil Booth <NeilB@earthling.net>
3040 * cpp.texi: Update documentation, including some clarifications,
3041 the treatment of various newline combinations, and space between
3042 backslash and newline.
3044 Mon Sep 18 21:00:47 2000 J"orn Rennecke <amylaar@redhat.co.uk>
3046 * sdbout.c (PUT_SDB_DEF, PUT_SDB_TAG, PUT_SDB_EPILOGUE_END):
3047 Replace ASM_OUTPUT_LABELREF with assemble_name.
3049 Mon Sep 18 20:26:50 2000 J"orn Rennecke <amylaar@redhat.co.uk>
3051 * sh.c (addsubcosts): CONST is not cheap.
3052 (find_barrier): For Sh1, take alignment after jumps into account.
3054 2000-09-15 Andrew Haley <aph@redhat.com>
3056 * toplev.c (rest_of_compilation): Call purge_hard_subreg_sets to
3057 remove all SETs of SUBREGs of hard registers.
3058 * function.c (purge_hard_subreg_sets): New function.
3059 (purge_single_hard_subreg_set): New function.
3060 * rtl.h: (purge_hard_subreg_sets): New function.
3062 2000-09-18 Richard Henderson <rth@cygnus.com>
3064 * config/ia64/ia64-protos.h: Update.
3065 * config/ia64/ia64.c (signed_inequality_operator): New.
3066 (ia64_expand_compare): New.
3067 (ia64_register_move_cost): Handle PR_REGS moves.
3068 (ia64_secondary_reload_class): Require a GR when moving to a PR.
3069 (struct reg_write_state): Add written_by_and/or.
3070 (struct reg_flags): Add is_and/or.
3071 (rws_update): Set them.
3072 (rws_access_regno): Test them to allow parallel comparisons.
3073 (rtx_needs_barrier): Recognize parallel comparisons.
3074 (emit_insn_group_barriers): Set prev_insn after a call stop bit.
3075 Call recog_memoized; ignore pred_rel_mutex.
3076 (emit_predicate_relation_info): Don't call find_basic_blocks here.
3077 (ia64_reorg): Do it here instead.
3078 * config/ia64/ia64.h: s/CCmode/BImode/g
3079 (MODES_TIEABLE_P): Don't tie BImode.
3080 (PREFERRED_RELOAD_CLASS): Do not reload operations into AR regs.
3081 (CONST_COSTS): Pick sensible values for CONST_INT based on context.
3082 (RTX_COSTS): Make multiply 4 insns.
3083 (MEMORY_MOVE_COST): New.
3084 (PREDICATE_CODES): Update.
3085 * config/ia64/ia64.md: s/CCmode/BImode/g
3086 (movcci, movbi): New.
3087 (andbi3, andcmbi3, iorbi3, iorcmbi3, one_cmplbi2): New.
3088 (cmpsi_and_0, cmpsi_and_1, cmpsi_andnot_0, cmpsi_andnot_1): New.
3089 (cmpdi_and_0, cmpdi_and_1, cmpdi_andnot_0, cmpdi_andnot_1): New.
3090 (tbit_and_0, tbit_and_1, tbit_and_2, tbit_and_3): New.
3091 (cmpsi_or_0, cmpsi_or_1, cmpsi_orcm_0, cmpsi_orcm_1): New.
3092 (cmpdi_or_0, cmpdi_or_1, cmpdi_orcm_0, cmpdi_orcm_1): New.
3093 (tbit_or_0, tbit_or_1, tbit_or_2, tbit_or_3): New.
3094 (mulsi, muldi): Use xmpy not xma.
3096 (movcc, movcc_internal): Remove.
3097 (branch expanders): Use ia64_expand_compare.
3098 (setcc expanders): Likewise.
3099 (cmov insns): Use move_operand and ia64_move_ok.
3100 (pred_rel_mutex): Use unspec not unspec_volatile. Prevent the
3101 scheduler from moving it past a use.
3102 * config/ia64/build.hacks: Remove.
3104 Mon 18-Sep-2000 19:21:35 BST Neil Booth <NeilB@earthling.net>
3106 * cpphash.h (HASHSTEP): Take character rather than pointer
3108 (_cpp_check_directive, _cpp_check_linemarker): Update prototypes.
3110 * cpphash.c (cpp_loookup): Update for new HASHSTEP.
3112 * cpplex.c (auto_expand_name_space, trigraph_replace,
3113 backslash_start, handle_newline, parse_name, INIT_TOKEN_STR,
3114 IMMED_TOKEN, PREV_TOKEN_TYPE, PUSH_TOKEN, REVISE_TOKEN,
3115 BACKUP_TOKEN, BACKUP_TRIGRAPH, MIGHT_BE_DIRECTIVE,
3116 KNOWN_DIRECTIVE): Delete.
3118 (handle_newline, check_long_token, skip_escaped_newlines,
3119 unterminated): New functions.
3120 (ACCEPT_CHAR, SAVE_STATE, RESTORE_STATE): New macros.
3122 (parse_identifier): Was parse_name, new implementation.
3123 (skip_line_comment, skip_block_comment, skip_whitespace,
3124 parse_number, parse_string, trigraph_ok, save_comment,
3125 adjust_column, _cpp_get_line): New implementations.
3127 (lex_token): New function. Lexes a token at a time, looking
3128 forwards. Contains most of the guts of the old lex_line.
3129 (lex_line): New implementation, using lex_token to obtain
3131 (cpp_scan_buffer): Use the token's line, not the list's line.
3133 * cpplib.c (_cpp_check_directive, _cpp_check_linemarker):
3134 New implementations.
3135 (do_assert): Don't bother setting the answer's list's line.
3136 (cpp_push_buffer): Initialise new pfile and read_ahead members
3137 of struct cpp_buffer.
3139 * cpplib.h (cppchar_t): New typedef.
3140 (struct cpp_buffer): read_ahead, pfile and col_adjust are
3142 (struct lexer_state): New structure that determines the state
3143 and behaviour of the lexer.
3144 (IN_DIRECTIVE, KNOWN_DIRECTIVE): New macros.
3145 (struct cpp_reader): New member "state". Rename
3146 multiline_string_line and multiline_string_column. Delete
3147 col_adjust, in_lex_line members.
3148 (CPP_BUF_COLUMN): Update.
3150 2000-09-18 Richard Henderson <rth@cygnus.com>
3152 * combine.c (simplify_comparison): Shift a NOT out of a single
3155 * combine.c (if_then_else_cond): Canonicalize BImode true to
3157 * explow.c (trunc_int_for_mode): Likewise.
3159 * combine.c (combine_simplify_rtx): Use gen_unary to distribute
3160 the NOT for De Morgan's rule.
3161 * simplify-rtx.c (simplify_unary_operation): Simplify a BImode NOT
3162 of a comparison to the reverse comparison.
3164 * combine.c (try_combine): Allow split to create a single insn.
3166 * machmode.def: Add BImode. Add a column for bitsize.
3167 * machmode.h (DEF_MACHMODE): Adjust for extra column.
3168 (GET_MODE_BITSIZE): Use it.
3169 * rtl.c (DEF_MACHMODE): Adjust for extra column.
3170 (mode_bitsize): New.
3171 (mode_mask_array): Use bitsize.
3172 * combine.c (combine_simplify_rtx): Require inner and outer
3173 modes to match on nonzero_bits optimizations.
3175 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
3177 * reload1.c (forget_old_reloads_1): If a hard reg is stored, clear
3178 its entry in spill_reg_store.
3179 * config/sh/lib1funcs.ams (movstr_i4 functions): Always compile in.
3180 * sh.c (reg_no_subreg_operand): New function.
3181 * sh-protos.h (reg_no_subreg_operand): Declare it.
3182 * sh.h (PREDICATE_CODES): Add it.
3183 * sh.md (floatsisf2_i4, floatsidf2_i, extendsfdf2_i4): Use it for
3184 input operand that needs to be in fpul.
3185 (fix_truncsfsi2, fix_truncsfsi2_i4): Use register_operand for output.
3186 * sh.c (find_barrier): Take into account that machine_dependent_reorg
3187 might add new insns.
3189 2000-09-18 Alexandre Oliva <aoliva@redhat.com>
3191 * config/sh/sh.c (sh_expand_prologue): Mark GOTaddr2picreg as
3193 (sh_expand_epilogue): Take the PIC register into account when
3194 computing the frame size.
3196 * config/sh/sh.c (nonpic_symbol_mentioned_p): Check LABEL_REFs.
3197 * config/sh/sh.md (sym_label2reg, symPLT_label2reg): Protect
3198 LABEL_REFs with a PIC-safe unspec.
3200 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
3202 * c-common.c (check_format_info): Properly save the argument
3203 number and parameter for $ operand number formats in case width
3204 and precision arguments are also used. Allow printf width and
3205 precision arguments to have operand numbers even if none was
3206 specified for the main format, since this is OK for %*.*m. Only
3207 object to missing $ operand number if the format used requires an
3210 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
3212 * c-common.c (format_char_info): Add 'W' flag to comment.
3213 (print_char_table, scan_char_table): Use it.
3214 (check_format_info): Use the 'W' flag to determine whether a
3215 format argument is written into.
3217 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
3219 * c-common.c (check_format_types): Reorganise and clean up,
3220 checking earlier for ERROR_MARKs and making cur_type into its
3221 TYPE_MAIN_VARIANT where convenient.
3223 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
3225 * gcc.c (cpp_options): Add specs for __STDC_HOSTED__.
3227 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
3229 * optabs.c (emit_libcall_block): Set CONST_CALL_P for the call.
3231 * i386-protos.h (ix86_init_builtins, ix86_expand_builtin): Declare.
3232 * i386.c (struct builtin_description): New.
3233 (bdesc_comi, bdesc_2arg, bdesc_1arg): New arrays.
3234 (mmx_reg_operand): Declare MODE arg as unused.
3235 (ix86_expand_sse_comi, ix86_expand_sse_compare, safe_vector_operand,
3236 ix86_expand_unop1_builtin, ix86_expand_unop_builtin,
3237 ix86_expand_binop_builtin, ix86_expand_store_builtin,
3238 ix86_init_builtins, ix86_expand_builtin): New functions.
3239 * i386.h (ix86_builtins): New enumeration.
3240 (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): New macros.
3241 * i386.md (attr length_immediate): 0 for mmx/sse types.
3242 (attr prefix_0f): 1 for mmx/sse types.
3243 (setcc_2): Remove "*" so we get gen_setcc_2.
3244 (emms): Account for changed register numbering. Set "memory" attr
3246 (sfence): Set "memory" attr to unknown.
3248 2000-09-18 Andreas Jaeger <aj@suse.de>
3250 * configure.in: Define _GNU_SOURCE only when using the GNU C
3252 * configure: Regenerated.
3253 * config.in: Regenerated.
3255 2000-09-17 Mark Mitchell <mark@codesourcery.com>
3257 * cppinit.c (cpp_init): Don't use ANSI prototypes.
3258 * flow.c (flow_dump_loop): Likewise.
3259 (flow_loops_dump): Likewise.
3261 * c-typeck.c (c_start_case): Fix typo.
3263 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
3265 * c-decl.c (grokdeclarator): Don't give a warning about defaulting
3266 to int for plain complex which defaults to complex double. Do
3267 warn about defaulting to complex double if pedantic. Warn about
3268 complex integer types if pedantic. Warn about complex types if
3269 pedantic and not in C99 mode.
3270 * c-typeck.c (build_unary_op): If pedantic, warn about use of ~
3271 for complex conjugation.
3273 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
3275 * contrib.texi: Update my entry.
3277 Sun Sep 17 18:48:32 2000 Denis Chertykov <denisc@overta.ru>
3279 * config/avr/avr.md (mcu_enhanced): New attribute.
3280 (mcu_mega): Likewise.
3281 (extendhisi2): Use mcu_enhanced.
3282 (zero_extendhisi2): Likewise.
3283 (call_insn): Use mcu_enhanced and mcu_mega.
3284 (call_value_insn): Likewise.
3285 (*sbrx_branch): Use mcu_mega.
3286 (*sbrx_and_branchsi): Likewise.
3287 (*sbrx_and_branchhi): Likewise.
3288 (*tablejump_lib): Likewise.
3290 Sun Sep 17 10:46:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3292 * alias.c (true_dependence): Allow non-unchanging read to conflict
3293 with unchanging write.
3295 * expr.c (store_constructor_field): Accept ALIAS_SET arg.
3296 (store_constructor): Pass alias_set to it.
3298 * c-decl.c (grokdeclarator): Reorder tests to avoid looking at
3299 TYPE_MAIN_VARIANT of ERROR_MARK.
3300 * c-lex.c (readescape): Avoid using printf syntax we don't recognize.
3302 * simplify-rtx.c (simplify_unary_operation): Add cases
3303 FLOAT_EXTEND and FLOAT_TRUNCATE to ones that return 0.
3305 2000-09-17 Bernd Schmidt <bernds@redhat.co.uk>
3307 * expr.h (emit_library_call, emit_library_call_value): Delete
3309 * rtl.h (enum libcall_type): New.
3310 (emit_library_call, emit_library_call_value): Change fn_type arg to
3311 be of type enum libcall_type.
3312 * calls.c: Likewise for the function definitions. Several callers
3313 throughout changed to use the new enumeration appropriately.
3314 (emit_library_call_value_1): Likewise. Put back code to make libcall
3315 blocks of equal form, but only use it for the two new higher
3318 2000-09-16 Mark Mitchell <mark@codesourcery.com>
3320 Convert the C front-end to use function-at-a-time mode.
3321 * c-common.h: Include splay-tree.h.
3322 (C_DECLARED_LABEL_FLAG): New macro.
3323 (struct language_function): Add x_scope_stmt_stack and
3324 x_function_name_declared_p.
3325 (RECHAIN_STMTS): Move definition.
3326 (lang_statment_code_p): Likewise.
3327 (lang_expand_stmt): Likewise.
3328 (lang_expand_decl_stmt): New variable.
3329 (lang_expand_function_end): Likewise.
3330 (current_scope_stmt_stack): New function.
3331 (add_decl_stmt): Likewise.
3332 (add_scope_stmt): Likewise.
3333 (mark_stmt_tree): Likewise.
3334 (struct c_lang_decl): New structure.
3335 (DECL_SAVED_TREE): Define.
3336 (c_mark_lang_decl): New function.
3337 (c_expand_start_cond): Change prototype.
3338 (c_finish_then): New function.
3339 (c_finish_else): Likewise.
3340 (current_function_name_declared): Remove.
3341 (set_current_function_name_declared): Likewise.
3342 (mark_c_language_function): Declare.
3343 (case_compare): Likewise.
3344 (c_add_case_label): Likewise.
3345 (c_expand_expr): Likewise.
3346 (c_safe_from_p): Likewise.
3347 * c-common.c (lang_expand_function_end): New variable.
3348 (struct if_elt): Add if_stmt.
3349 (c_expand_start_cond): Add the if-statement to the statement-tree,
3350 rather than generating RTL.
3351 (c_finish_then): New function.
3352 (c_expand_start_else): Don't generate RTL.
3353 (c_finish_else): New function.
3354 (c_expand_expr_stmt): Don't generate RTL.
3355 (statement_code_p): Add SCOPE_STMT.
3356 (case_compare): New function.
3357 (c_add_case_label): Likewise.
3358 (mark_stmt_tree): Likewise.
3359 (c_mark_lang_decl): Likewise.
3360 (mark_c_language_function): Likewise.
3361 (c_expand_expr): Likewise.
3362 (c_safe_from_p): Likewise.
3363 * c-decl.c (c_stmt_tree): New variable
3364 (c_scope_stmt_stack): Likewise.
3365 (c_function_name_declared_p): Likewise.
3366 (lang_expand_expr_stmt): Remove.
3367 (poplevel): Don't call output_inline_function for nested
3369 (pushdecl): Don't set DECL_CONTEXT for a local declaration of an
3371 (redeclaration_error_message): Change means of computing whether
3372 or not a function is nested.
3373 (lookup_label): Don't call label_rtx.
3374 (init_decl_processing): Add more GC roots.
3375 (start_decl): Add DECL_STMTs to the statement-tree, rather than
3376 calling rest_of_decl_compilation.
3377 (finish_decl): Don't call expand_decl.
3378 (store_parm_decls): Begin the statement-tree, but don't generate
3380 (finish_function): Tie off the statement-tree. Call c_expand_body
3382 (c_expand_body): New function.
3383 (push_c_function_context): Save more information.
3384 (pop_c_function_contxt): Likewise.
3385 (copy_lang_decl): Now that we use DECL_LANG_SPECIFIC, copy it.
3386 (lang_mark_tree): Mark it.
3387 (current_stmt_tree): Adjust.
3388 (current_scope_stmt_stack): New function.
3390 (set_current_name_declared): Likewise.
3391 (c_begin_compound_stmt): Define.
3392 (c_expand_decl_stmt): Likewise.
3393 * c-lang.c: Include rtl.h and expr.h.
3394 (lang_init): Set more language-specific hooks.
3395 * c-lex.c: Include expr.h.
3396 * c-parse.in: Changes throughout to add statements to the
3397 statement-tree, rather than generating RTL after every statement.
3398 * c-semantics.c (lang_expand_decl_stmt): Define.
3399 (add_decl_stmt): New function.
3400 (add_scope_stmt): Likewise.
3401 (finish_stmt_tree): Tweak.
3402 (genrtl_expr_stmt): Likewise.
3403 (genrtl_decl_stmt): Handle local labels, and call
3404 lang_expand_decl_stmt if required.
3405 (genrtl_for_stmt): Fix line-number handling.
3406 (genrtl_case_label): Handle cleanups.
3407 (genrtl_asm_stmt): Don't call combine_strings.
3408 (genrtl_compound_stmt): Simplify.
3409 (expand_stmt): Handle SCOPE_STMTs.
3410 * c-tree.h (struct lang_decl): New structure.
3411 (C_DECLARED_LABEL_FLAG): Remove.
3412 (c_begin_compound_stmt): Declare.
3413 (c_expand_decl_stmt): Likewise.
3414 (c_expand_start_case): Rename to c_start_case.
3415 (c_finish_case): New function.
3416 * c-typeck.c (start_init): Tweak setting of
3417 constructor_incremental.
3418 (c_expand_asm_operands): Tweak error-handling. Add to the
3420 (c_expand_return): Add to the statement-tree.
3421 (c_expand_start_case): Rename to ...
3422 (c_start_case): ... this.
3423 (struct c_switch): New type.
3424 (switch_stack): New variable.
3425 (do_case): Simplify.
3426 (c_finish_case): New function.
3427 * dependence.c: Include expr.h.
3428 (enum dependence_type): Change spelling of enumerals.
3429 (check_node_dependence): Adjust.
3430 * expr.h (lang_safe_from_p): Declare.
3431 (safe_from_p): Likewise.
3432 * expr.c (lang_safe_from_p): New variable.
3433 (safe_from_p): Give it external linkage. Use lang_safe_from_p.
3434 * stmt.c (expand_expr_stmt): Avoid clobberring of last_expr_type.
3435 * toplev.c (rest_of_decl_compilation): Robustify.
3436 * tree.c (contains_placeholder_p): Likewise.
3437 * Makefile.in: Update dependencies.
3438 * objc/objc-act.h: Adjust calculation of value for dummy_tree_code.
3439 * objc/objc-act.c: Include rtl.h, expr.h, and c-common.h.
3440 (objc_expand_function_end): New function.
3441 (finish_method_def): Use it.
3442 (init_objc): Initialize more language-specific hooks.
3443 * objc/Make-lang.in: Update dependencies.
3445 2000-09-16 Geoffrey Keating <geoffk@cygnus.com>
3447 * configure.in: Define macros that affect features before
3448 testing for features. Don't define _XOPEN_SOURCE.
3449 * configure: Regenerated.
3450 * config.in: Regenerated.
3452 Sat Sep 16 19:42:50 EDT 2000 John Wehle (john@feith.com)
3454 * rtlanal.c (rtx_varies_p): Volatile asms vary.
3455 (rtx_unstable_p): Restructure code. Volatile asms
3458 Sat Sep 16 14:35:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3460 * function.h (no_debugging_symbols): New field.
3461 * integrate.c (save_for_inline): Renamed from save_for_inline_nocopy.
3462 Initialize no_debugging_symbols.
3463 (output_inline_function): Save and restore write_symbols and set from
3464 no_debugging_symbols.
3465 * toplev.c (rest_of_compilation): Call save_for_inline.
3466 * tree.h: Update comment.
3468 * stor-layout.c (place_field): Don't do anything if field or
3469 its type are ERROR_MARK.
3471 Sat Sep 16 19:14:00 2000 Laurynas Biveinis <lauras@softhome.net>
3473 * cppfiles.c (purge_cache): Use munmap only if MMAP_THRESHOLD defined.
3474 (read_include_file): Ensure inc->mmaped is initialized.
3476 2000-09-16 Richard Henderson <rth@cygnus.com>
3478 * cppiles.c (purge_cache): Use PTR not caddr_t.
3480 2000-09-16 Hans-Peter Nilsson <hp@axis.com>
3482 * gcc.c: In description for %{<S}, say the option removed is -S.
3483 * invoke.texi (Spec Files): Ditto.
3485 2000-09-16 Andreas Jaeger <aj@suse.de>
3487 * configure.in: Always define _GNU_SOURCE to make interfaces
3488 visible that were hidden by only defining _GNU_SOURCE.
3489 * configure: Regenerated.
3491 Sat 16-Sep-2000 08:13:45 BST Neil Booth <NeilB@earthling.net>
3493 * cpplex.c (push_macro_context): Set an argument's level after
3494 calling parse_args. We could loop infinitely otherwise.
3496 2000-09-15 Tom Tromey <tromey@cygnus.com>
3498 * configure, config.in: Rebuilt.
3499 * configure.in: Check for iconv.h. Define _XOPEN_SOURCE.
3501 2000-09-15 Greg McGary <greg@mcgary.org>
3503 * cppmacro.c (check_trad_stringification): Check token
3504 text pointers against limit before dereferencing.
3506 2000-09-15 Joseph S. Myers <jsm28@cam.ac.uk>
3508 * c-common.c (format_wanted_type): New structure.
3509 (check_format_types): New function.
3510 (check_format_info): Pass all checking of types of format
3511 arguments, including width and precision arguments, to this new
3514 2000-09-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3516 * BUGS: Remove file.
3518 2000-09-15 Jakub Jelinek <jakub@redhat.com>
3520 * config/alpha/alpha.c (override_options): ev6 cache latencies
3521 from Richard Henderson. Don't allow -mmemory-latency=L0.
3523 * config/alpha/alpha.h (TARGET_CPU_EV5, TARGET_CPU_EV6): Define.
3524 (TARGET_OPTIONS): Add tune=.
3525 (alpha_tune_string): Declare.
3526 * config/alpha/alpha.c (override_options): Add cpu_table.
3527 Use alpha_cpu_string first to set both alpha_cpu and target_flags
3528 and then alpha_tune_string to set alpha_cpu only.
3529 Replace tests for PROCESSOR_EV* with TARGET_CPU_EV* tests.
3530 * config/alpha/elf.h (ASM_FILE_START): Likewise.
3531 * config/alpha/osf.h (ASM_FILE_START): Likewise.
3532 * config/alpha/openbsd.h (ASM_FILE_START): Likewise.
3534 Fri Sep 15 19:45:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
3536 * i386-protos.h (no_comparison_operator, uno_comparison_operator):
3538 (ix86_comparison_operator, ix86_cc_mode): Declare
3539 * i386.h (CCGC, CCGCO): New modes.
3540 (SELECT_CC_MODE): Move offline to ....
3541 * i386.c (ix86_cc_mode): .... here; use new modes.
3542 (ix86_comparison_operator): New.
3543 (fcmov_comparison_operator): Ensure proper mode.
3544 (put_condition_mode): More sanity checking.
3545 (ix86_match_ccmode): Handle new modes.
3546 (ix86_expand_fp_compare): GEU requires CCmode.
3547 (ix86_expand_strlensi_unroll_1): Use emit_cmp_and_jump_insn instead of
3549 * i386.md (cmp?i_ccz_1): Remove
3550 (cmp?i_ccno_1): Use ix86_match_ccmode.
3551 (cmp?i_minus_1): New.
3552 (cmpsi_1): New expander.
3553 (cmpqi_ext_1): Use match_ccmode
3554 (cmpqi_ext_3): New expander.
3555 (cmpqi_ext_3_insn): Rename from cmpqi_ext_3.
3556 (cmpqi_ext_4): Use match_ccmode.
3557 (add?i_?): Use match_ccmode.
3559 (test?i_ccz_1): Remove
3561 (testsi_ccno_1, testqi_ccz_1, testqi_ext_ccno_0): New expander.
3562 (testqi_ext_0): Use ix86_match_ccmode.
3563 (*xorqi_cc_ext_1): Use ix86_match_ccmode.
3564 (xorqi_cc_ext_1): New expander.
3565 (shift patterns): Use CCGOCmode for all shifts except for sar.
3566 (setcc_?, jcc_?, miv?icc_nic): Use ix86_comparison_operator.
3567 (setcc_3, jcc_3, miv?icc_c): Remove.
3569 2000-09-15 Will Cohen <wcohen@redhat.com>
3571 * dwarf2out.c (add_const_value_attribute): Changed array into a
3572 xmalloced object, so it exists after function exit.
3573 (free_AT): Added case for dw_val_class_float to free allocated
3576 2000-09-15 Kazu Hirata <kazu@hxi.com>
3578 * config/i386/i386.md: Fix a comment typo.
3579 * gcc.c: Fix formatting.
3581 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
3583 * optabs.c (emit_libcall_block): If target is a user variable,
3584 copy to a temporary first.
3585 * expr.c (convert_move): When generating a libcall, make a libcall
3587 * calls.c (emit_library_call_value_1): Don't create a libcall
3588 sequence here; our caller will in most cases do it.
3590 * sh.h (SECONDARY_INPUT_RELOAD_CLASS): Handle moving T, MACL or
3592 (SECONDARY_OUTPUT_RELOAD_CLASS): Similar case.
3593 * sh.md (reload_outsf): Generate recognizable patterns for
3595 (floatsisf2, floatsisf2_ie, floatsisf2_i4, fix_truncsfsi2,
3596 fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i, fix_truncdfsi2,
3597 fix_truncdfsi2_i, extendsfdf2, extendsfdf2_i4, truncdfsf2,
3598 truncdfsf2_i4): Change not to use explicit references to fpul.
3599 (floatsisf2_ie): Remove USE of fpscr.
3600 (floatsisf2): Change default expansion to match this.
3601 (fix_truncsfsi2_i4_2, fix_truncdfsi2_i4 & splitters): Comment out
3604 2000-09-15 Richard Henderson <rth@cygnus.com>
3606 * expmed.c (store_bit_field): Consider naturally aligned
3607 memory for direct reference.
3609 2000-09-15 Richard Henderson <rth@cygnus.com>
3611 * config/alpha/alpha.c (alpha_expand_unaligned_load): Force all
3612 AND addresses into alias set 0.
3613 (alpha_expand_unaligned_store): Likewise.
3614 (alpha_expand_unaligned_load_words): Likewise.
3615 (alpha_expand_unaligned_store_words): Likewise.
3617 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
3619 * config/sh/sh.h (CPP_SPEC): For -m4-nofpu, define __SH4_NOFPU__.
3620 * config/sh/lib1funcs.asm (movstr_i4): Also compile if __SH4_NOFPU__
3622 * config/mips/mips.c (mips_va_arg): Args passed by reference have a
3623 rsize of UNITS_PER_WORD.
3625 Fri 15-Sep-2000 06:49:07 BST Neil Booth <NeilB@earthling.net>
3627 * cpplex.c (ON_REST_ARG): Correct the test.
3628 (maybe_paste_with_next): Duplicate a token that fail pasting,
3629 and clear its PASTE_LEFT flag, so that nested pasting attempts
3632 2000-09-14 Richard Henderson <rth@cygnus.com>
3634 * calls.c (precompute_register_parameters): Use COSTS_N_INSNS, not 2.
3635 * cse.c (rtx_cost): Likewise.
3636 * optabls.c (expand_binop): Likewise.
3637 (expand_twoval_binop, prepare_cmp_insn): Likewise.
3638 * regclass.c (copy_cost): Likewise.
3639 * reload1.c (reload_cse_move2add): Likewise.
3641 2000-09-14 Joseph S. Myers <jsm28@cam.ac.uk>
3643 * c-parse.in (reswords): Add _Complex.
3645 2000-09-14 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3647 * gcc.1: Delete documentation for -undef preprocessor option.
3649 2000-09-14 Alexandre Oliva <aoliva@redhat.com>
3651 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
3652 STARTFILE_SPEC, ENDFILE_SPEC): Remove define.
3653 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
3654 Remove undefine before config/elfos.h.
3655 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Comment out.
3657 2000-09-14 Kazu Hirata <kazu@hxi.com>
3659 * invoke.texi (H8/300 Options): Add -ms2600.
3660 * config/h8300.c (h8300_init_once): Output an error when -ms2600
3661 is used without -ms.
3662 * config/h8300.h (TARGET_MAC): New.
3663 (TARGET_SWITCHES): Add -ms2600 and -mno-s2600.
3664 (CONDITIONA_REGISTER_USAGE): Disable the mac register on any
3665 machine other than H8/S2600.
3666 * config/h8300.md: Accept mac instructions on the H8/S2600 instead
3669 2000-09-14 Alexandre Oliva <aoliva@redhat.com>, Bernd Schmidt <bernds@redhat.co.uk>
3671 * reload.c (find_reloads_address_1): Generate reloads for auto_inc
3672 pseudos that refer to the original pseudos, not only to their
3673 equivalent memory locations.
3675 Thu Sep 14 12:10:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3677 * expr.c (expand_expr, case COMPONENT_EXPR): Copy memory attributes
3678 when making new MEM.
3680 * Makefile.in (LN): Remove duplicate definition.
3682 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
3684 From Joern Rennecke:
3685 * local-alloc.c (update_equiv_regs): If there is no REG_EQUAL note
3686 on an insn and function_invariant_p returns nonzero for the source,
3687 add a REG_EQUAL note.
3689 Thu Sep 14 00:51:57 EDT 2000 John Wehle (john@feith.com)
3691 * alias.c (memrefs_conflict_p): An ADDRESSOF doesn't
3692 conflict with frame_pointer_rtx.
3694 2000-09-13 Kazu Hirata <kazu@hxi.com>
3696 * loop.c: Fix formatting.
3699 2000-09-13 Richard Henderson <rth@cygnus.com>
3701 * config/ia64/ia64.md (divsf3): New.
3702 (divsf3_internal_lat, divsf3_internal_thr): New.
3703 (divdf3, divdf3_internal_lat, divdf3_internal_thr): New.
3704 (divtf3, divtf3_internal_lat, divtf3_internal_thr): New.
3705 (adddf3_trunc, subdf3_trunc, muldf3_trunc): New.
3706 (madddf4_trunc, msubdf4_trunc, nmuldf3_trunc): New.
3707 (nmadddf4_alts, nmadddf4_trunc): New.
3708 (addtf3_truncsf, addtf3_truncdf, subtf3_truncsf): New.
3709 (subtf3_truncdf, multf3_truncsf, multf3_truncdf): New.
3710 (multf3_truncsf_alts, multf3_truncdf_alts): New.
3711 (maddtf4_truncsf, maddtf4_truncdf, maddtf4_alts_truncdf): New.
3712 (msubtf4_truncsf, msubtf4_truncdf, nmultf3_truncsf): New.
3713 (nmultf3_truncdf, nmaddtf4_truncsf, nmaddtf4_truncdf): New.
3714 (nmaddtf4_truncdf_alts): New.
3715 (recip_approx): Don't predicate.
3717 2000-09-13 Richard Henderson <rth@cygnus.com>
3719 * config/ia64/lib1funcs.asm (__divsf3): Protect fnorm.s with p6.
3721 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3723 * flags.h (flag_dump_rtl_in_asm): Declare.
3724 * toplev.c (flag_dump_rtl_in_asm): Define.
3725 (decode_d_option): Set flag_dump_rtl_in_asm and flag_print_asm_name
3726 if -dP is specified.
3727 * rtl.h (print_rtx_head): Declare.
3728 * print-rtl.c (print_rtx_head): Define.
3729 (print_rtx): Print the string pointed to by print_rtx_head
3730 at beginning of each dump line.
3731 (print_rtl): Likewise.
3732 (print_rtl_single): Likewise.
3733 * final.c (final_scan_insn): Dump the insn in the assembly
3735 * gcc.1: Document -dP option.
3736 * invoke.texi (Debugging Options): Likewise.
3738 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3740 * md.texi (Machine Constraints): Document the 68HC11 constraints.
3741 * install.texi (Configurations): Document the 68HC11&68HC12 port.
3742 * invoke.texi (Option Summary, M68hc1x Options): Document the options.
3744 Tue Sep 12 13:51:13 2000 Denis Chertykov <denisc@overta.ru>
3746 * config/avr/avr.h (ASSEMBLER_DIALECT): New macro declared.
3747 * config/avr/avr.md (*movstrqi_insn): Cleanup output template.
3748 (*clrstrqi): Likewise.
3749 (xorhi3,xorsi3,absqi2): Likewise.
3750 (one_cmplhi2,one_cmplsi2): Likewise.
3751 (addsi3): Two stupid constraint alternatives removed.
3752 (extendhisi2): Use `movw' for enhanced avr cores.
3753 (zero_extendhisi2): Likewise.
3755 Wed Sep 13 02:31:23 EDT 2000 John Wehle (john@feith.com)
3757 * alias.c (find_base_term): Use frame_pointer_rtx
3758 when handling an ADDRESSOF.
3760 * cse.c (canon_hash): Handle USE of BLKmode memory.
3761 (cse_insn): Outgoing arguments for a libcall don't
3762 affect any recorded expressions.
3764 2000-09-12 Tom Tromey <tromey@cygnus.com>
3766 * configure, config.in: Rebuilt.
3767 * configure.in: Check for iconv, nl_langinfo, langinfo.h.
3769 2000-09-12 Jakub Jelinek <jakub@redhat.com>
3771 * c-lex.c (lex_string): Use charwidth to compute bytemask.
3772 * expr.c (expand_expr): Don't optimize constant array references
3773 initialized with wide string constants.
3775 2000-09-13 Michael Hayes <mhayes@cygnus.com>
3777 * loop.c (note_set_pseudo_multiple_uses): Correct.
3779 2000-09-12 Jim Wilson <wilson@cygnus.com>
3781 * ifcvt.c (noce_process_if_block): If A and B are the same, and no
3782 else block, and X has side-effects, then fail.
3784 2000-09-12 Greg McGary <greg@mcgary.org>
3786 * config/mips/mips-protos.h
3787 (trap_cmp_op, mips_gen_conditional_trap): New func decls.
3788 * config/mips/mips.h (ISA_HAS_COND_TRAP): New macro.
3789 (PREDICATE_CODES): Add "trap_cmp_op".
3790 * config/mips/mips.c
3791 (trap_cmp_op, mips_gen_conditional_trap): New functions.
3792 * config/mips/mips.md (trap, conditional_trap): New patterns.
3794 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
3796 * flow.c (try_pre_increment_1): Don't do anything to sets of the stack
3799 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3801 * builtins.c (built_in_decls): New array.
3802 (expand_builtin_fputs): New function.
3803 (expand_builtin): Handle BUILT_IN_FPUTC and BUILT_IN_FPUTS.
3805 * builtins.def (BUILT_IN_FPUTC, BUILT_IN_FPUTS): New members.
3807 * c-common.c (c_common_nodes_and_builtins): Handle fputc/fputs.
3809 * tree.h (built_in_decls): New array.
3811 Tue Sep 12 08:53:57 2000 Jeffrey A Law (law@cygnus.com)
3813 * convex.md: Use "+" instead of "=" for outputs wrapped in a
3815 * i370.md, i386.md, ns32k.md, sh.md, vax.md: Likewise.
3817 2000-09-12 Kazu Hirata <kazu@hxi.com>
3819 * haifa-sched.c: Fix formatting.
3821 * genattrtab.c: Fix formatting.
3823 * unroll.c: Fix formatting.
3825 2000-09-12 Bruce Korb <bkorb@gnu.org>
3827 * fixinc/fixfixes.c: make a type for the fix procedure & use it,
3828 remove obsolete code
3829 * fixinc/fixincl.c: Use PARAMS, not _P_. Add no-op default to switch.
3830 * fixinc/fixincl.tpl: make non-exported arrays static scope
3831 * fixinc/fixincl.x: regenerate
3832 * fixinc/fixlib.h: Use PARAMS, not _P_
3833 * fixinc/fixtests.c: make a type for the test proc & use it
3834 * fixinc/server.h: Use PARAMS, not _P_
3836 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3838 * c-typeck.c (process_init_element): Avoid union init warnings on
3839 floating point zero. Don't crash on unions containing structs.
3841 2000-09-12 Alexandre Oliva <aoliva@redhat.com>
3843 * config/sh/sh.h (PREDICATE_CODES): Add CONST_DOUBLE to
3844 general_movsrc_operand, and remove CONST_INT from
3845 general_movdst_operand.
3847 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
3849 * cse.c (approx_reg_cost): If SMALL_REGISTER_CLASSES, return INT_MAX
3850 if a reference to non-fixed hardreg is seen. Otherwise, count hard
3851 regs with a higher cost.
3852 (preferrable): Deal with cases where either cost or regcost is
3854 (cse_insn): Use MAX_COST rather than 10000. Always initialize
3856 (COSTS_N_INSNS): Move definition...
3858 (MAX_COST): New macro.
3859 * loop.c (init_loop): Use COSTS_N_INSNS macro instead of hardcoded
3862 2000-09-11 Mark Mitchell <mark@codesourcery.com>
3864 * c-common.h (genrtl_clear_out_block): Remove.
3865 * c-semantics.c (genrtl_clear_out_block): Remove.
3866 (genrtl_while_stmt): Don't call it.
3867 (genrtl_for_stmt): Likewise.
3869 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
3871 * cppfiles.c: Move all default-#defines to top of file.
3872 (open_include_file): Replace by lookup_include_file.
3873 (read_with_read, read_file): Merged into read_include_file.
3874 (stack_include_file, purge_cache): New functions.
3875 (close_cached_fd): Delete.
3876 (lookup_include_file, read_include_file, _cpp_pop_file_buffer):
3877 Cache the in-memory buffer, not the file descriptor.
3879 * cpphash.h (struct include_file): Add buffer, st, refcnt,
3881 (xcnew): New utility macro.
3882 (DO_NOT_REREAD, NEVER_REREAD): Move up by struct include_file.
3883 * cpplib.h (struct cpp_buffer): Remove mapped field.
3885 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
3887 * cpplex.c (parse_string): Accept backslash space newline as a
3889 (lex_line): Likewise.
3890 (_cpp_get_token): Remove hard limit on macro nesting.
3892 2000-09-12 Philipp Thomas <pthomas@suse.de>
3894 * aclocal.m4 (AM_WITH_NLS): Don't force use of included gettext.
3895 * configure: Rebuilt.
3897 2000-09-13 Michael Hayes <mhayes@cygnus.com>
3899 * flow.c (split_block): Fix update of registers live at
3902 Tue Sep 12 01:51:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
3904 * i386.md (add?i_3, add?i_5): New.
3905 (add?i_4): Rename from add?i_3; Fix compare pattern.
3906 (sub?i_3, xor?i_3, ior?i_3): New.
3908 * genrecog.c (write_tree): Output code to clear insn_extract cache.
3909 * genattrtab.c (write_attr_case): Gen call to extract_insn_cache
3910 instead of extract_insn and extract_constrain_insn_cache instead of
3911 extract_insn and constrain_operands.
3912 * recog.c (extract_insn_cached, extract_constrain_insn_cached):
3914 (extract_insn): Clear which_alternative.
3915 (constrain_operands): Set which_alternative to -1 when failed.
3916 * recog.h (extract_constrain_insn_cached, extract_insn_cached):
3919 2000-09-11 Matthew Hiller <hiller@redhat.com>
3921 * config/h8300/h8300.md (movstrictqi): Changed constraint modifier
3922 on operand 0 to '+'.
3923 (movstricthi): Likewise.
3925 2000-09-12 Michael Hayes <mhayes@cygnus.com>
3927 * loop.h (LOOP_IVS): New macro.
3928 (REG_IV_TYPE, REG_IV_INFO): Add ivs argument.
3929 (struct loop_ivs): New.
3930 (struct loop_info): Add ivs field.
3931 (reg_iv_type, reg_iv_info): Delete prototype.
3932 (reg_biv_class, loop_iv_list): Likewise.
3933 * loop.c (record_biv, find_life_end): Pass loop argument.
3934 (reg_iv_type): Remove global array and use
3935 field in loop_regs structure within loop_ivs structure.
3936 (reg_iv_info, reg_biv_class, loop_iv_list): Likewise.
3937 (first_increment_giv, last_increment_giv): Use entry in
3939 (record_initial): Pass ivs pointer.
3940 * unroll.c (copy_loop_body, remap_split_bivs): Add loop argument.
3942 2000-09-12 Michael Hayes <mhayes@cygnus.com>
3944 * loop.h (LOOP_REGS): New macro.
3945 (struct loop_regs): New.
3946 (struct loop_info): Add regs field.
3947 * loop.c (set_in_loop): Remove global array and store
3948 in loop_regs structure as part of loop_info structure.
3949 (n_times_set, may_not_optimize): Likewise.
3950 (reg_single_usage, moved_once): Likewise.
3951 (count_one_set): Add regs argument.
3952 (combine_movables, rtx_equal_for_loop_p, combine_givs): Likewise.
3953 (set_pseudo_multiple_uses): Pass regs pointer.
3955 2000-09-12 Michael Hayes <mhayes@cygnus.com>
3957 * unroll.c (iteration_info): Subsume into loop_iterations.
3958 * loop.h (loop_info): New field iv.
3960 2000-09-12 Michael Hayes <mhayes@cygnus.com>
3962 * basic-block.h (LOOP_TREE, LOOP_PRE_HEADER, LOOP_EDGES): New.
3963 (LOOP_EXITS_DOMS, LOOP_ALL): Likewise.
3964 (flow_loops_update): New prototype.
3965 (flow_loops_find): Add flags to prototype.
3966 (struct loop): Add `pre_header_root' and `pre_header_trace' fields.
3967 * flow.c (flow_loop_pre_header_scan): New.
3968 (flow_loop_dump): Dump pre-header root and trace and exit dominators.
3969 (flow_loop_free): Free pre-header root and trace and exit dominators.
3970 (flow_loops_find): New argument flags.
3971 (flow_loops_update): New function.
3972 * toplev.c (rest_of_compilation): Add flag argument to flow_loops_find.
3974 2000-09-12 Michael Hayes <mhayes@cygnus.com>
3976 * basic-block.h (split_block, update_bb_for_insn): New prototypes.
3977 * flow.c (split_block, update_bb_for_insn): New functions.
3979 2000-09-11 Richard Henderson <rth@cygnus.com>
3981 * cse.c (fold_rtx): Honor NO_FUNCTION_CSE.
3983 2000-09-11 Richard Henderson <rth@cygnus.com>
3985 * config/ia64/ia64-protos.h (fr_nonimmediate_operand): Declare.
3986 * config/ia64/ia64.c (fr_nonimmediate_operand): New.
3987 (ia64_override_options): Prevent optimizing division for both
3988 latency and throughput.
3989 (rtx_needs_barrier): Handle frcpa.
3990 * config/ia64/ia64.h (MASK_INLINE_DIV_LAT): New.
3991 (MASK_INLINE_DIV_THR, TARGET_INLINE_DIV_LAT): New.
3992 (TARGET_INLINE_DIV_THR, TARGET_INLINE_DIV): New.
3993 (TARGET_SWITCHES): Add -minline-divide-min-latency and
3994 -minline-divide-max-throughput.
3995 (PREDICATE_CODES): Update.
3996 * config/ia64/ia64.md (extendsidi2): Remove * from f case.
3997 (zero_extendsidi2): Likewise. Fix typo in f case insn.
3998 (extendsfdf2): Add cases for gr<->fr and fr<->mem.
3999 (extendsftf2): Likewise.
4000 (extenddftf2): Likewise.
4001 (fix_trunctfdi2_alts): New.
4002 (fixuns_trunctfdi2_alts): New.
4003 (madd*4): Rename from madd*3.
4004 (divsi3, modsi3, udivsi3, umodsi3): New.
4005 (divsi3_internal): New.
4006 (divdi3, moddi3, udivdi3, umoddi3): New.
4007 (divdi3_internal_lat, divdi3_internal_thr): New.
4008 (multf3_alts, maddtf4_alts, nmaddtf4_alts): New.
4009 (recip_approx): New.
4011 2000-09-11 Alexandre Oliva <aoliva@redhat.com>
4013 * print-rtl.c (debug_call_placeholder_verbose): New variable.
4014 (print_rtx) [CALL_PLACEHOLDER]: Dump all call sequences if it is
4016 * integrate.c (copy_rtx_and_substitute): Don't share
4017 LEAF_REG_REMAPpable registers with the inlined function. Don't
4018 share the function value with calling sequences.
4020 2000-09-11 Jakub Jelinek <jakub@redhat.com>
4022 * c-decl.c (do_case): Fix a typo.
4024 * combine.c (simplify_if_then_else): Don't convert a == b ? b : a
4025 to a if the comparison is floating mode and not -ffast-math.
4026 * simplify-rtx.c (simplify_ternary_operation): Likewise.
4028 Mon Sep 11 20:07:48 2000 J"orn Rennecke <amylaar@redhat.co.uk>
4030 * sh.h (INITIALIZE_TRAMPOLINE): Remove stray call to
4031 gen_ic_invalidate_line.
4033 2000-09-11 Philip Blundell <pb@futuretv.com>
4035 * config/arm/elf.h (SUBTARGET_CPP_SPEC): Don't define `arm_elf'.
4037 Mon Sep 11 10:48:41 2000 Ulrich Drepper <drepper@redhat.com>
4039 * install.texi (LANGUAGES): Update to include new languages.
4042 2000-09-11 DJ Delorie <dj@redhat.com>
4044 * gcc.c (main): Don't warn about unused -B prefixes
4045 (unused_prefix_warnings): remove
4047 2000-09-11 Kazu Hirata <kazu@hxi.com>
4049 * final.c: Fix formatting.
4051 * integrate.c: Fix formatting.
4053 2000-09-11 Geoff Keating <geoffk@cygnus.com>
4055 * alias.c (memrefs_conflict_p): An ADDRESSOF does conflict, sorry.
4057 2000-09-11 Bernd Schmidt <bernds@redhat.co.uk>
4059 * reload.c (regno_clobbered_p): Fix thinko in previous change.
4061 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4063 * gcc.1: Document 68hc11 specific options.
4065 2000-09-10 Geoff Keating <geoffk@cygnus.com>
4067 * config/rs6000/sysv4.h (MASK_LONG_DOUBLE_128): Define.
4068 (TARGET_LONG_DOUBLE_128): Define.
4069 (SUBTARGET_SWITCHES): Add -mlong-double-64 and -mlong-double-128.
4070 (LONG_DOUBLE_TYPE_SIZE): Redefine.
4071 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
4072 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on definition
4073 of __LONG_DOUBLE_128__.
4074 (CPP_SYSV_SPEC): Define __LONG_DOUBLE_128__ if -mlong-double-128
4076 (CPP_LONGDOUBLE_DEFAULT_SPEC): Define.
4077 (CPP_SYSV_DEFAULT_SPEC): Define.
4078 (SUBTARGET_EXTRA_SPECS): Add cpp_longdouble_default.
4079 (INIT_TARGET_OPTABS): Define.
4081 * config/rs6000/aix.h (RS6000_ITRUNC): Moved from rs6000.h.
4082 (RS6000_UITRUNC): Likewise.
4083 (INIT_TARGET_OPTABS): New macro.
4084 * config/rs6000/rs6000.c (rs6000_trunc_used): Delete.
4085 (trunc_defined): Delete.
4086 (output_prolog): Don't output .extern definitions for fp->int
4087 conversion routines, ASM_OUTPUT_EXTERNAL_LIBCALL will do it.
4088 * config/rs6000/rs6000.h (rs6000_trunc_used): Delete.
4089 (trunc_defined): Delete.
4090 (RS6000_ITRUNC): Moved to aix.h.
4091 (RS6000_UITRUNC): Likewise.
4092 * config/rs6000/rs6000.md (fix_truncdfsi2): Fail if it would
4093 only emit a libcall.
4094 (fixuns_truncdfsi2): Delete.
4095 (trunc_call): Delete.
4096 (trunc_call_rtl): Delete.
4098 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
4100 * varasm.c (make_decl_rtl): Restore leading star on
4101 DECL_ASSEMBLER_NAME set for decls with an asmspec.
4103 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
4105 * c-pragma.c (handle_pragma_pack): Correct parsing logic so it
4106 won't give a spurious error for '#pragma pack()'. Simplify
4107 control flow for readability. 'reset' action is not necessary.
4109 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
4111 * defaults.h: Provide default definitions for: CHAR_TYPE_SIZE,
4112 SHORT_TYPE_SIZE, INT_TYPE_SIZE, LONG_TYPE_SIZE,
4113 LONG_LONG_TYPE_SIZE, WCHAR_TYPE_SIZE, FLOAT_TYPE_SIZE,
4114 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE, and WCHAR_UNSIGNED.
4116 * cppexp.c, dwarfout.c, dwarf2out.c, emit-rtl.c, final.c, optabs.c,
4117 profile.c, sdbout.c, tradcif.y, tree.c:
4118 Include defaults.h if not already included.
4119 Don't define the above macros.
4121 * Makefile.in: Update dependencies.
4123 2000-09-10 Mark Mitchell <mark@codesourcery.com>
4125 * c-common.h (add_stmt): Change prototype.
4126 (RECHAIN_STMTS): New macro.
4127 (CASE_LABEL_DECL): Likewise.
4128 (genrtl_case_label): Change prototype.
4129 (c_expand_start_case): Remove prototype.
4130 (build_case_label): Change prototype.
4131 (decl_constant_value): Declare.
4132 * c-common.c (check_case_value): Handle C++'s extensions to C
4134 * c-commnon.def (CASE_LABEL): Add room for the CASE_LABEL_DECL
4136 * c-parse.in (stmt): Adjust handling of return statements and case
4138 * c-semantics.c (add_stmt): Return the new statement.
4139 (genrtl_return_stmt): Take the RETURN_STMT as input, not the
4140 returned expression. Directly generate RTL, rather than calling
4142 (genrtl_switch_stmt): Don't call c_expand_start_case.
4143 (build_case_label): Take the LABEL_DECL as input, too.
4144 (genrtl_case_label): Just call add_case_node.
4145 (expand_stmt): Adjust calls to genrtl_return_stmt and
4147 * c-tree.h (c_expand_start_case): Declare.
4148 * c-typeck.c (decl_constant_value): Give it external linkage.
4149 (c_expand_return): Don't call expand_return or expand_null_return;
4150 use genrtl_return_stmt instead.
4151 * stmt.c (struct nesting): Remove num_ranges field.
4152 (add_case_node): Give it external linkage.
4153 (expand_start_case): Don't set num_ranges.
4154 (expand_start_case_dummy): Don't clear it.
4155 (pushcase): Rely on add_case_node to handle `default' labels.
4156 (add_case_node): Handle `default' labels.
4157 * tree.c (tree_int_cst_compare): New function.
4158 * tree.h (tree_int_cst_compare): Declare.
4159 (add_case_node): Likewise.
4161 2000-09-10 Richard Henderson <rth@cygnus.com>
4163 * c-parse.in: Revert last change.
4164 (init_reswords): Do not enter disabled keywords into the ridpointers
4165 table, modulo objc weirdness.
4166 (_yylex): Return the canonical spelling for a keyword.
4168 2000-09-10 Philip Blundell <philb@gnu.org>
4170 * config/arm/arm.h (CPP_ISA_SPEC): Don't define `arm' or `thumb'.
4171 * config/arm/linux-elf.h (CPP_PREDEFINES): Don't define `__arm__'.
4173 Sun Sep 10 14:30:28 EDT 2000 John Wehle (john@feith.com)
4175 * alias.c (find_base_term): Handle ADDRESSOF.
4176 (memrefs_conflict_p): An ADDRESSOF doesn't conflict.
4178 2000-09-10 Denis Chertykov <denisc@overta.ru>
4180 * genoutput.c (output_insn_data): Translate <NEWLINE> to \n\ while
4181 outputting templates with many lines.
4183 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4185 * libgcc2.h: Use LONG_LONG_TYPE_SIZE instead of MIN_UNITS_PER_WORD
4186 to decide whether 64-bit support must be generated.
4188 2000-09-10 Richard Henderson <rth@cygnus.com>
4190 * c-parse.in (asm patterns): Fix volatile check.
4192 2000-09-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4194 * cppmacro.c (check_trad_stringification): New function.
4195 (save_expansion): If -Wtraditional, warn about stringification of
4198 2000-09-11 Michael Hayes <mhayes@cygnus.com>
4200 * loop.h (struct loop_mem_info): Move from loop.c
4201 (struct loop_info): Add fields store_mems, mems, mems_idx,
4202 mems_allocated, unknown_address_altered,
4203 unknown_constant_address_altered, num_mem_sets, and
4204 first_loop_store_insn.
4206 * loop.c (loop_store_mems): Replace with field in loop_info struct.
4207 (loop_mems, loop_mems_idx, loop_mems_allocated): Likewise.
4208 (unknown_address_altered, unknown_constant_address_altered): Likewise.
4209 (num_mem_sets): Likewise.
4210 (replace_loop_mems, replace_loop_regs): New.
4211 (struct loop_replace_args): New.
4212 (load_mems): Use replace_loop_mems.
4213 (try_copy_prop): Use replace_loop_regs.
4214 (replace_loop_reg, replace_loop_mem): Use loop_replace_args structure.
4216 2000-09-09 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4218 * configure.in: Recognize m6811-elf and m6812-elf.
4219 * configure: Regenerate.
4221 2000-09-09 Geoff Keating <geoffk@cygnus.com>
4223 * recog.c (validate_replace_rtx_1): Correct MODE parameter in call
4226 2000-09-10 Michael Hayes <mhayes@cygnus.com>
4228 * loop.c (struct movables): New.
4229 (num_movables): Move into struct movables.
4230 (the_movables): Change type to struct movables.
4231 (ignore_some_movables): Change struct movable arg to struct movables.
4232 (force_movables, combine_movables, regs_match_p): Likewise.
4233 (rtx_equal_for_loop_p, move_movables): Likewise.
4234 (scan_loop): Change movables to be of type struct movables.
4235 Replace last_movable with field in movables structure.
4237 2000-09-08 Zack Weinberg <zack@wolery.cumb.org>
4239 * c-pragma.c: Don't elide entire file if !HANDLE_GENERIC_PRAGMAS.
4240 (init_pragma): Avoid warning if pfile happens to be unused.
4241 * c-pragma.h: Never define HANDLE_GENERIC_PRAGMAS. Never
4242 define init_pragma to nothing. Always prototype
4243 init_pragma. Prototype dispatch_pragma if !USE_CPPLIB.
4245 * c-lex.c (process_directive): Always call dispatch_pragma.
4246 Initialize entering_c_header to 0.
4248 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4250 * config/m68hc11/m68hc11.md: New file, machine description for
4252 * config/m68hc11/m68hc11.h: New file, definitions for 68HC11 & 68HC12.
4253 * config/m68hc11/m68hc11.c: New file, functions for 68HC11 & 68HC12.
4254 * config/m68hc11/m68hc12.h: New file, definitions for 68HC12.
4255 * config/m68hc11/m68hc11-protos.h: New file.
4256 * config/m68hc11/m68hc11-crt0.S: New file, startup code.
4257 * config/m68hc11/t-m68hc11-gas: New file, makefile fragment.
4258 * config/m68hc11/xm-m68hc11.h: New file, target defs.
4259 * config/m68hc11/larith.asm: New file, libgcc routines.
4261 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4263 * Makefile.in (DPBIT_FUNCS): Add _usi_to_df.
4264 (FPBIT_FUNCS): Add _usi_to_sf.
4265 * config/fp-bit.c (usi_to_float): New function.
4266 * config/fp-bit.h (L_usi_to_sf, L_usi_to_df): Define.
4267 (usi_to_float): Add appropriate #define.
4269 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
4271 * i386-protos.h (sse_comparison_operator, mmx_reg_operand): Declare
4273 * i386.c (sse_comparison_operator, mmx_reg_operand): New functions.
4274 * i386.md (attr "type"): Add sse and mmx types.
4275 (attr "memory"): Handle them without a crash.
4276 (movsi_1, movdi_2): Allow MMX regs.
4277 (movdi splits): Don't split moves involving MMX regs.
4278 (setcc_4): Remove '*' from pattern name so we get a gen_setcc4.
4279 (movv4sf_internal, movv4si_internal, movv8qi_internal,
4280 movv4hi_internal, movv2si_internal, movv8qi, movv4hi, movv2si,
4281 movv4sf, movv4si, pushv4sf, pushv4si, pushv8qi, pushv4hi, pushv2si,
4282 sse_movaps, sse_movups, sse_movmskps, mmx_pmovmskb, mmx_maskmovq,
4283 sse_movntv4sf, sse_movntdi, sse_movhlps, sse_movlhps, sse_movhps,
4284 sse_movlps, sse_loadss, sse_movss, sse_storess, sse_shufps,
4285 addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, mulv4sf3, vmmulv4sf3,
4286 divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2, rsqrtv4sf2, vmrsqrtv4sf2,
4287 sqrtv4sf2, vmsqrtv4sf2, sse_andti3, sse_nandti3, sse_iorti3,
4288 sse_xorti3, maskcmpv4sf3, maskncmpv4sf3, vmmaskcmpv4sf3,
4289 vmmaskncmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
4290 smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
4291 cvttps2pi, cvtsi2ss, cvtss2si, cvttss2si, addv8qi3, addv4hi3,
4292 addv2si3, ssaddv8qi3, ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3,
4293 subv4hi3, subv2si3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
4294 mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
4295 mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3, mmx_uavgv8qi3,
4296 mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pextrw, mmx_pshufw,
4297 eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3, gtv2si3, umaxv8qi3,
4298 smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3, ashrv2si3, lshrv4hi3,
4299 lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3, mmx_ashldi3,
4300 mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
4301 mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
4302 mmx_punpckldq, emms, sfence, ldmxcsr, prefetch, stmxcsr, sse_clrti,
4303 mmx_clrdi): New patterns.
4305 2000-09-08 Richard Earnshaw <rearnsha@arm.com>
4307 * arm.c: Don't include tm.h directly.
4309 Fri Sep 8 14:34:56 MET DST 2000 Jan Hubicka <jh@suse.cz>
4311 * recog.c (validate_replace_rtx_1): Fix confusion about equality
4312 testing; simplify subregs of constants and nested subregs.
4314 2000-09-08 Alexandre Oliva <aoliva@redhat.com>
4316 * config/sh/sh.md (symPLT_label2reg): Use operand3 for PIC reg.
4318 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
4320 * combine.c (combine_simplify_rtx): Try to simplify VEC_SELECT of a
4322 * rtl.texi (description of USE): Add note about possible pitfalls
4324 From Richard Henderson:
4325 * reload1.c (choose_reload_regs): Compute need_mode properly.
4327 2000-09-07 Richard Henderson <rth@cygnus.com>
4329 * config/ia64/lib1funcs.asm (__divsi3): Use .s1 for frcpa.
4330 (__modsi3, __umodsi3): Likewise.
4331 (__udivsi3): Likewise. Normalize the TFmode values.
4333 2000-09-07 Geoff Keating <geoffk@cygnus.com>
4335 * config/rs6000/sol-c0.c (_start): Declare `termfunc' parameter
4337 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Use cast to suppress
4340 Fri Sep 8 03:26:38 2000 J"orn Rennecke <amylaar@redhat.co.uk>
4342 * sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): Remove.
4343 (cmpeqdi_t): Add output pattern.
4344 (cmpeqdi_t+1): Don't split when not optimizing.
4345 Restore proper splitting operation.
4347 2000-09-07 Richard Henderson <rth@cygnus.com>
4349 * c-lex.c (process_directive): If not HANDLE_GENERIC_PRAGMAS,
4350 do not call dispatch_pragma.
4352 2000-09-07 Jim Wilson <wilson@cygnus.com>
4354 * reload.c (push_reload): Use CLASS_CANNOT_CHANGE_MODE_P in addition
4355 to CLASS_CANNOT_CHANGE_MODE.
4356 * config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE_P): True only if the
4357 mode classes are different.
4359 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
4361 * cpplib.h (struct cpp_options): Add user_label_prefix member,
4362 left out of commit which removed cppulp.c.
4364 2000-09-07 Richard Henderson <rth@cygnus.com>
4366 * bb-reorder.c (fixup_reorder_chain): Add jump in new block
4367 after switch for CASE_DROPS_THROUGH.
4369 2000-09-07 Richard Henderson <rth@cygnus.com>
4371 * loop.c (strength_reduce): Call check_ext_dependant_givs.
4372 Properly extend the biv initial value for the giv.
4373 (record_biv): Zero ext_dependant.
4374 (record_giv): New argument ext_val. Update all callers.
4375 (general_induction_var): Likewise.
4376 (consec_sets_giv): Likewise.
4377 (simplify_giv_expr): Likewise. Fill in ext_val if we find
4378 a sign-extend, zero-extend, or truncate.
4379 (combine_givs_p): Make sure modes are compatible.
4380 (check_ext_dependant_givs): New.
4381 (extend_value_for_giv): New.
4382 * loop.h (struct induction): Add ext_dependant.
4383 * unroll.c (iteration_info): Extend the biv initial value for the giv.
4384 (find_splittable_givs): Likewise.
4385 (final_giv_value): Likewise.
4387 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
4389 * c-pragma.h: Define HANDLE_GENERIC_PRAGMAS if
4390 REGISTER_TARGET_PRAGMAS is defined. Duplicate some
4391 definitions from cpplib.h.
4392 * cpplib.h: Don't typedef struct cpp_reader if c-pragma.h has
4394 * tm.texi: Document HANDLE_PRAGMA as no longer supported. Add
4395 documentation for REGISTER_TARGET_PRAGMAS.
4397 * c-lex.c: Include cpplib.h before c-pragma.h. Define a
4398 default-pragma callback to implement -Wunknown-pragmas if
4400 * c-parse.in: Move all includes to top of file.
4401 * c-pragma.c: Include cpplib.h before c-pragma.h. Include
4403 (dispatch_pragma): Put the namespace in the -Wunknown-pragmas
4405 (init_pragma): If REGISTER_TARGET_PRAGMAS is defined, call it.
4407 * arm.h, arm-protos.h, arm.c,
4408 c4x.h, c4x-protos.h, c4x.c,
4409 h8300.h, h8300-protos.h, h8300.c,
4410 i370.h, i370-protos.h, i370.c,
4411 i960.h, i960-protos.h, i960.c,
4412 sh.h, sh-protos.h, sh.c,
4413 v850.h, v850-protos.h, v850.c: Convert HANDLE_PRAGMA-based
4414 pragmata scheme to use REGISTER_TARGET_PRAGMAS instead.
4416 * d30v.h: Don't mention HANDLE_PRAGMA in comment. Add
4417 multiple include guard.
4418 * i370.md (untyped_call): Use GEN_CALL.
4419 (umodsi3): Remove unused variable.
4420 * sh/elf.h: Don't undef HANDLE_SYSV_PRAGMA.
4421 * v850.c (output_move_single, output_move_double): Constify
4423 (print_operand): Constify a char *.
4424 * v850.h (struct small_memory_info): Constify name member.
4426 2000-09-07 Kazu Hirata <kazu@hxi.com>
4428 * config/h8300.h: Fix comment typos.
4429 * config/h8300/h8300.md: Likewise.
4430 * config/h8300/lib1funcs.asm: Likewise.
4432 Thu 07-Sep-2000 21:29:00 BST Neil Booth <NeilB@earthling.net>
4434 * Makefile.in: Remove references to cppulp.{c,o}.
4435 * cppinit.c (initialize_builtins, cpp_start_read,
4436 cpp_handle_option): Update to use cpp_options structure.
4439 2000-09-07 Joseph S. Myers <jsm28@cam.ac.uk>
4441 * c-common.c (time_char_table): Allow %#b and %#h.
4443 2000-09-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4445 * reorg.c (find_end_label): If the basic block reorder pass moves the
4446 return insn to some other place try to locate it again and put our
4447 end_of_function_label there.
4448 * reorg.c (relax_delay_slots): Check if find_end_label created a
4449 new label that invalidates the current optimazation.
4451 2000-09-07 Catherine Moore <clm@redhat.com>
4453 * unroll.c (unroll_loop): Check for unconditional jumps
4454 to loop continuation. Delete if n_iterations is 1.
4455 (ujump_to_loop_cont): New routine.
4457 2000-09-07 Bernd Schmidt <bernds@redhat.co.uk>
4459 * rtl.c (class_narrowest_mode): Add entries for MODE_VECTOR_INT and
4461 * reload.c (regno_clobbered_p): Accept new arg, MODE, and use it
4462 to handle multiword modes correctly. All callers and the declaration
4465 2000-09-06 Mark Mitchell <mark@codesourcery.com>
4467 * c-common.h (prep_stmt): Declare.
4468 (lang_expand_stmt): Likewise.
4469 * c-decl.c (lang_expand_stmt): Remove.
4470 * c-semantics.c (lang_expand_stmt): Define.
4471 (prep_stmt): New function.
4472 (expand_stmt): Handle common statement types here.
4474 2000-09-07 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>, Alexandre Oliva <aoliva@redhat.com>
4476 * configure.in (sh-*-linux*): Added.
4477 * configure: Rebuilt.
4478 * config/sh/t-linux: New file.
4479 * config/sh/sh.h (USERMODE_BIT): Define.
4480 (TARGET_USERMODE): Likewise.
4481 (TARGET_SWITCHES): New switches for the bits above.
4482 (INITIALIZE_TRAMPOLINE): Call __ic_invalidate in USERMODE.
4483 * config/sh/linux.h: New file.
4484 * config/sh/lib1funcs.asm (GLOBAL): Don't prefix symbols with
4485 underscore on linux.
4486 (L_sdivsi3, L_udivsi3): Define for linux.
4487 (L_ic_invalidate): Define.
4488 * invoke.texi (SH Options): Document -musermode.
4490 2000-09-07 Alexandre Oliva <aoliva@redhat.com>
4492 * config/sh/sh.h (OVERRIDE_OPTIONS): Don't disable function
4493 CSE unless generating PIC.
4495 * config/sh/sh.md (symPLT_label2reg): Force the initialization of
4498 2000-09-06 H.J. Lu (hjl@gnu.org)
4500 * Makefile.in (clean_s1): Depend on stage_b.
4501 (clean_s2): Depend on stage_d. Don't remove $(VOL_FILES) in
4502 stage2. They are used for "make compare".
4504 2000-09-06 Mark Mitchell <mark@codesourcery.com>
4506 Move statement-tree facilities from C++ to C front-end.
4507 * c-common.h (c_tree_index): Add CTI_VOID_ZERO.
4508 (void_zero_node): New macro.
4509 (struct stmt_tree_s): New type.
4510 (stmt_tree): New typedef.
4511 (struct language_function): New type.
4512 (last_tree): New macro.
4513 (last_expr_type): Likewise.
4514 (walk_tree_fn): New typedef.
4515 (current_stmt_tree): New function.
4516 (begin_stmt_tree): Likewise.
4517 (add_stmt): Likewise.
4518 (finish_stmt_tree): Likewise.
4519 (statement_code_p): Likewise.
4520 (lang_statement_code_p): New variable.
4521 (walk_stmt_tree): New function.
4522 (STMT_IS_FULL_EXPR_P): New macro.
4523 * c-common.c (lang_statement_code_p): New variable.
4524 (c_common_nodes_and_builtins): Initialize void_zero_node.
4525 (statement_code_p): New function.
4526 (walk_stmt_tree): Likewise.
4527 * c-decl.c (language_function): Rename to ...
4528 (c_language_function): ... this. Include language_function.
4529 (push_c_function_context): Adjust accordingly.
4530 (pop_c_function_context): Likewise.
4531 (mark_c_function_context): Likewise.
4532 (current_stmt_tree): Define.
4533 * c-semantics.c (begin_stmt_tree): New function.
4534 (add_stmt): Likewise.
4535 (prune_unused_decls): Likewise.
4536 (finish_stmt_tree): Likewise.
4538 2000-09-06 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4540 * flow.c (insn_dead_p): Detect dead memory stores with auto increments.
4542 2000-09-06 Kazu Hirata <kazu@hxi.com>
4544 * calls.c: Fix formatting.
4546 2000-09-06 Graham Stott <grahams@cygnus.co.uk>
4548 * config/i386/i386.h (ADDRESS_COST): Fix typo.
4550 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
4552 Integrated preprocessor.
4554 * Makefile.in: Remove all references to c-parse.gperf,
4555 c-gperf.h, and c-parse.h. Remove -d from yacc command line
4556 generating c-parse.c. Update dependencies.
4557 * c-parse.gperf, c-gperf.h: Delete.
4559 * c-common.c: Don't define parse_options, cpp_token, yy_cur,
4560 yy_lim, or yy_get_token. Don't define get_directive_line if
4562 * c-common.h: Add multiple include guard. Define RID values
4563 for every keyword in C, C++, and Objective C. Put all the
4565 (struct c_fileinfo, get_fileinfo, dump_time_statistics): New.
4566 * c-decl.c (c_decode_option): Handle -lang-objc here.
4567 (print_lang_identifier): Handle C_IS_RESERVED_WORD case.
4568 (grokdeclarator): Adjust for new RID scheme.
4569 (extract_interface_info): New stub.
4570 * c-lang.c: Don't declare yy_cur or parse_options.
4571 (lang_init_options): Call cpp_init. Don't call
4573 (lang_init): Don't call check_newline if USE_CPPLIB.
4575 * c-lex.c: Don't include c-parse.h. Do include timevar.h.
4576 Elide lots of unnecessary code if USE_CPPLIB. Delete code
4577 rendered unnecessary by new architecture. Move routines not
4578 shared with C++ to c-parse.in. Maintain a local idea of the
4579 line number. Handle C++ as well as C.
4580 [USE_CPPLIB]: Declare and register callbacks for #ident and
4581 for entering/leaving files.
4582 (init_c_lex, c_lex): Are now the entry points to this file.
4583 (check_newline): Break out directive handling to
4585 (read_ucs, is_extended_char, utf8_extend_token): Moved here
4587 (readescape, parse_float): Overhaul.
4588 (lex_number, lex_string, lex_charconst): Break out of c_lex
4590 (get_fileinfo, update_header_times, dump_one_header,
4591 dump_time_statistics): New and/or moved here from C++.
4592 Support per-file data needed by C++ and per-header timing
4593 statistics (C++ only, at the moment).
4594 * c-lex.h: Update prototypes. Add multiple include guard.
4595 * c-tree.h (struct lang_identifier): Add rid_code field.
4596 (C_IS_RESERVED_WORD, C_RID_CODE): New.
4598 * c-parse.in: Include c-pragma.h. Remove unnecesary calls to
4599 reinit_parse_for_function and/or position_after_white_space.
4600 (save_filename, save_lineno): Look ahead before saving.
4601 (label -> identifier ':'): Save file and line before shifting ':'.
4602 (reservedwords): No need to call get_identifier.
4603 (init_parse, finish_parse, yyerror, yylex, yyprint,
4604 make_pointer_declarator): Are now here for C/ObjC.
4605 (rid_to_yy): Conversion table from RID constants to Yacc codes.
4607 * c-pragma.c: Rewrite parsing logic to fit with cpplib's
4608 #pragma registry. Provide dummy implementation of that
4609 interface if !USE_CPPLIB.
4610 * c-pragma.h: Update to match.
4612 * flags.h: Add multiple include guard.
4613 (flag_detailed_statistics): Moved here from C++.
4614 * toplev.c: Define flag_detailed_statistics.
4616 * gcc.c (C specs): Use %(trad_capable_cpp) for -E|-M|-MM case
4618 * timevar.def (TV_CPP, TV_LEX): New.
4619 * timevar.h: Add multiple include guard.
4621 * objc/lang-specs.h: Use %(trad_capable_cpp) for -E|-M|-MM case
4623 * objc/objc-act.c: Don't mention yy_cur or parse_options.
4624 Initialize cpplib properly. Force lineno to 0 after first
4625 call to check_newline. Don't handle -lang-objc here.
4626 Move forget_protocol_qualifiers and remember_protocol_qualifiers here.
4628 2000-09-06 David Edelsohn <edelsohn@gnu.org>
4630 * rs6000.md: Correct function unit definitions for cr_logical and
4632 (sCOND): Additionally fail for sgt, slt, sge, sle if !TARGET_POWER
4633 and use portable method for >=0 and floating point >=. Remove
4634 associated matchers.
4636 2000-09-06 Mark Mitchell <mark@codesourcery.com>
4638 * extend.texi: Mark named return value extension as deprecated.
4640 2000-09-06 Geoff Keating <geoffk@cygnus.com>
4642 * config/rs6000/rs6000.c (rs6000_reverse_condition): Return
4645 2000-09-06 Gabriel Dos Reis <gdr@codesourcery.com>
4647 * toplev.c (display_help): Fix thinko in documentation.
4649 * diagnostic.h (output_buffer::indent_skip): New fields.
4650 (output_indentation): New macro.
4652 * diagnostic.c (output_indent): New function.
4653 (output_set_prefix, clear_diagnostic_info): Use.
4654 (output_emit_prefix): Predict future indentation.
4656 2000-09-06 DJ Delorie <dj@redhat.com>
4658 * Makefile.in (stage_*): add more dependencies to ensure parallel
4659 builds build correctly
4661 2000-09-06 Manfred Hollstein <manfredh@redhat.com>
4663 * Makefile.in (bootstrap-lean): Depend on bootstrap-lean_g,
4664 not bootstrap-lean_f.
4666 2000-09-06 Andreas Schwab <schwab@suse.de>
4668 * mklibgcc.in: Emit rule for libgcc-stage-start.
4669 * Makefile.in (stage1-start, stage2-start, stage3-start,
4670 stage4-start): Don't handle libgcc here, use libgcc.mk instead.
4672 2000-09-06 Bernd Schmidt <bernds@redhat.co.uk>
4674 * local-alloc.c (local_alloc): Ignore CLASS_LIKELY_SPILLED.
4675 (update_equiv_regs): Likewise, except for the mn10200 kludge.
4676 (combine_regs): Likewise.
4678 * Makefile.in (cse.o): Depend on $(BASIC_BLOCK_H).
4679 * cse.c: Include "basic-block.h".
4680 (struct table_elt): New field REGCOST.
4681 (CHEAP_REG): Delete macro.
4682 (COST): Return 0 for REGs.
4683 (approx_reg_cost_1, approx_reg_cost, preferrable): New functions.
4684 (notreg_cost): Return 0 for appropriate SUBREGs.
4685 (COSTS_N_INSNS): Return N * 2.
4686 (rtx_cost): Return 0 for REGs, and use cost of nested rtx for cheap
4688 (CHEAPER): Use new function preferrable.
4689 (insert): Initialize REGCOST member.
4690 (find_best_addr): Use approx_reg_cost for estimation of register
4692 (cse_insn): Likewise.
4693 * loop.c (iv_add_mult_cost): New function.
4694 (add_cost, shift_cost, mult_cost): Delete variables.
4695 (init_loop): Don't initialize add_cost; reduce copy_cost by half.
4696 (strength_reduce): Use iv_add_mult_cost instead of fixed add_cost.
4697 Make code that detects autoinc opportunities slightly less optimistic.
4698 (simplify_giv_expr): If expression contains other reg that is also a
4699 giv, only increment benefit if this is the only use of that reg.
4700 (consec_sets_giv): Take that change into account.
4701 (combine_givs): Slightly more verbose output.
4703 * i386.h (RTX_COSTS): For MULT, return true cost of multiplication,
4704 not the cost of an equivalent shift.
4705 * sh-protos.h (addsubcosts): Declare.
4706 * sh.c (addsubcosts): New function.
4707 * sh.h (CONST_COSTS): If CONST_OK_FOR_I, then return 0.
4708 (RTX_COSTS): Tweak. Use addsubcosts.
4709 (ADDRESS_COST): Return higher cost for reg+reg addressing.
4711 2000-09-06 Geoff Keating <geoffk@cygnus.com>
4713 * config/rs6000/rs6000.c (validate_condition_mode): New function.
4714 (branch_comparison_operator): Call validate_condition_mode to
4715 abort rather than returning 0.
4716 (branch_positive_comparison_operator): New function.
4717 (scc_comparison_operator): Call validate_condition_mode to abort
4718 rather than returning 0.
4719 (ccr_bit): Call validate_condition_mode. Update for
4721 (print_operand): Delete %C modifier. Update %E case
4722 to use EQ bit not SO bit.
4723 (rs6000_reverse_condition): New function.
4724 (rs6000_generate_compare): New function.
4725 (rs6000_emit_sCOND): New function.
4726 (rs6000_emit_cbranch): New function.
4727 (output_cbranch): The length of a long branch insn is
4728 now only 8 bytes. Add validate_condition_mode. Use
4729 rs6000_reverse_condition. Remove cror generation.
4731 * config/rs6000/rs6000.h: Update comments.
4732 (PREDICATE_CODES): Add new predicate. Update codes used
4733 by branch_comparison_operator and scc_comparison_operator.
4734 * config/rs6000/rs6000-protos.h: Add prototypes for
4735 new external functions.
4736 * config/rs6000/rs6000.md: Add new scheduling parameters
4737 for cr_logical instructions. Change length of branch
4739 (bCOND patterns): Call rs6000_emit_cbranch.
4740 (sCOND patterns): Call rs6000_emit_sCOND.
4741 (branch patterns): Change lengths to 4.
4742 (cr logical patterns): New.
4744 2000-09-06 Richard Henderson <rth@cygnus.com>
4746 * config/i386/i386.md (call_pop): Fix test for setting
4747 current_function_uses_pic_offset_table.
4748 (call, call_value_pop, call_value): Likewise.
4750 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
4752 * timevar.c (timevar_add): Delete.
4753 (timevar_get): Also count time since the selected timer was
4754 last updated. Do not examine the timevar stack if the
4755 selected timer is standalone.
4757 2000-09-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
4759 * gthr-dce.h (__gthread_objc_mutex_deallocate): Free mutex->backend.
4761 2000-09-05 Jason Merrill <jason@redhat.com>
4763 * c-decl.c (finish_incomplete_decl): Don't call complete_array_type
4764 for 'extern' arrays.
4766 2000-09-05 Richard Henderson <rth@cygnus.com>
4768 * config/ia64/lib1func.asm (__divtf3): Rebundle for Itanium.
4769 Eliminate final copy from non-trapping case.
4770 (__divdf3, __divsf3): Likewise.
4772 2000-09-05 Richard Henderson <rth@cygnus.com>
4774 * config/ia64/ia64.md (mulhi3): Fix typo last change.
4775 * config/ia64/lib1func.asm (__divdi3, __udivdi3, __umodsi3): Likewise.
4777 2000-09-03 Donn Terry <donn@interix.com>, Laurynas Biveinis <lauras@softhome.net>
4779 * Makefile.in: Restructure bootstrap stages to allow clean
4780 restart after failure.
4782 2000-09-05 Richard Henderson <rth@cygnus.com>
4784 * config/ia64.md (movsi and movdi patterns): Allow moves from
4785 8-bit constants to AR registers.
4787 2000-09-05 Richard Henderson <rth@cygnus.com>
4789 * config/ia64/ia64.md (mulhi3): New.
4791 2000-09-05 Richard Henderson <rth@cygnus.com>
4793 * config/ia64/ia64.h (INIT_TARGET_OPTABS): Remove.
4794 * config/ia64/lib1funcs.asm (__divdi3): Update from Intel IA-64
4795 Optimization Guide, minimum latency alternative.
4796 (__moddi3, __udivdi3, __umoddi3): Likewise.
4797 (__divsi3, __modsi3, __udivsi3, __umodsi3): Likewise.
4799 2000-09-05 Bruce Korb <bkorb@gnu.org>
4801 * fixinc/fixincl.c (load_file): always read header files
4802 with sizes that are a multiple of the page size.
4803 & use libiberty's getpagesize for determining that.
4805 2000-09-05 Alexandre Oliva <aoliva@redhat.com>
4807 * gcse.c (hash_string_1): Add prototype.
4808 * cse.c (canon_hash_string): Likewise.
4810 2000-09-04 Craig Newell <CraigN@ieee.org>
4812 * gcc.c: Undefine "__WCHAR_TYPE__" before redefining it.
4814 2000-09-04 Andreas Schwab <schwab@suse.de>
4816 * Makefile.in (STAGESTUFF): Remove libgcc.
4817 (stage1-start, stage2-start, stage3-start): Copy the contents of
4818 the libgcc directory explicitly.
4819 (mostlyclean): Clean libgcc.
4821 2000-09-04 Andrew Haley <aph@redhat.com>
4823 * dwarf2out.c: (stack_adjust_offset): New prototype.
4825 Wed Jan 1 00:23:59 MET 1997 Jan Hubicka <jh@suse.cz>
4827 * combine.c (make_extraction): Fix rtx_cost comparison to
4830 Wed Jan 1 00:17:32 MET 1997 Jan Hubicka <jh@suse.cz>
4832 * i386.md (pushsi2, pushhi2, pophi2, swapsf, swapdf,
4833 umulsi3_highpart, smulsi3_highpart, testqi_ccno_1, xorqi_ext_1):
4834 Add '*' to insn pattern name.
4836 2000-09-04 Jakub Jelinek <jakub@redhat.com>
4838 * cpplex.c (ON_REST_ARG): Check VAR_ARGS flag of current context,
4839 use posn - 1 to index into tokens array.
4840 (maybe_paste_with_next): Adjust caller.
4842 2000-09-03 Geoff Keating <geoffk@cygnus.com>
4844 * invoke.texi: Document the -mvxworks option for rs6000 ELF.
4846 * config/rs6000/rs6000.h: Update various comments about XER_REGNO.
4847 (REGNO_REG_CLASS): Use symbolic register
4850 2000-09-03 Richard Earnshaw <rearnsha@arm.com>
4852 * arm.c (final_prescan_insn): If the form of a jump insn isn't
4853 recognized, don't try to conditionally execute it.
4855 Sun Sep 3 13:10:56 2000 Denis Chertykov <denisc@overta.ru>
4857 * config/avr/avr.md ("*tablejump_lib"): New pattern.
4858 (call_value_insn): Right length claculation.
4859 (call_insn): Likewise.
4861 2000-09-02 Marek Michalkiewicz <marekm@linux.org.pl>
4863 * config/avr/avr-protos.h, config/avr/avr.c (unique_section,
4864 gas_output_limited_string, gas_output_ascii, output_movqi,
4865 output_movhi, out_movqi_r_mr, out_movqi_mr_r, out_movhi_r_mr,
4866 out_movhi_mr_r, out_movsi_r_mr, out_movsi_mr_r, output_movsisf,
4867 out_tstsi, out_tsthi, ret_cond_branch, ashlqi3_out, ashlhi3_out,
4868 ashlsi3_out, ashrqi3_out, ashrhi3_out, ashrsi3_out, lshrqi3_out,
4869 lshrhi3_out, lshrsi3_out, output_reload_inhi, output_reload_insisf,
4870 out_shift_with_cnt, ptrreg_to_str, cond_string, encode_section_info):
4871 Add "const" as needed to remove warnings.
4873 * config/avr/avr.c (avr_override_options, avr_init_once,
4874 function_prologue, function_epilogue, frame_pointer_required_p,
4875 class_likely_spilled_p, order_regs_for_local_alloc,
4876 avr_address_cost, avr_ret_register): Use K&R style arguments.
4877 (initial_elimination_offset, gas_output_limited_string):
4878 Remove ATTRIBUTE_UNUSED from the used arguments.
4879 (output_mov*, out_mov*_r_mr, out_mov*_mr_r, output_reload_insisf):
4880 Use local variables src, dest, base to access operands[].
4881 Rename reg_dest to reg_src if that's what it is.
4882 (output_movhi, output_movsisf): Optimize loading 8-bit immediate
4883 constants to LD_REGS if reg_was_0.
4884 (output_reload_insisf): Change arg 3 to insn length and set it.
4885 (out_movhi_r_mr, out_movhi_mr_r): Use in/out for more efficient
4886 access to 16-bit I/O register pairs.
4887 (avr_address_cost): Lower cost for the above case.
4888 (out_tsthi): Use "or" (faster) instead of "sbiw" if the operand
4889 may be clobbered, also for LD_REGS.
4890 (adjust_insn_length): Correct insn length for iorhi3 and iorsi3
4893 * config/avr/avr.h (PTRDIFF_TYPE): Make signed.
4895 * config/avr/avr.md: Change all uses of the TEST_HARD_REG_CLASS
4896 macro to test_hard_reg_class function.
4897 (*movsi, *movsf): Change "cc" attribute from "clobber" to "none"
4898 for loading immediate constants to LD_REGS.
4899 (andsi3, cmphi, cmpsi): Add return statements to avoid warnings.
4902 Sat Sep 2 13:58:23 2000 Marek Michalkiewicz <marekm@linux.org.pl>
4904 * config/avr/avr.md ("*negsi2"): substitute %@ to __zero_reg__
4905 * config/avr/libgcc.S: Lost part of the previous patch.
4907 2000-08-31 J. David Anglin <dave@hiauly1.hia.nrc.ca>
4909 * gthr-dce.h (__gthread_objc_mutex_allocate): Create a pthread_mutex_t
4910 object before calling pthread_mutex_init.
4912 2000-09-02 Alexandre Oliva <aoliva@redhat.com>
4914 * config/sh/t-elf, config/sh/crt1.asm, config/sh/crti.asm,
4915 config/sh/crtn.asm: New files.
4916 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Set.
4917 (crt1.o, crti.o, crtn.o): New targets.
4918 * configure.in [sh-*-elf*, sh-*-rtemself*] (tmake_file): Added
4920 * configure: Rebuilt.
4921 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
4922 STARTFILE_SPEC, ENDFILE_SPEC, CRT_CALL_STATIC_FUNCTION): Define.
4923 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
4924 Undefine for config/elfos.h to redefine.
4925 (STARTFILE_SPEC, ENDFILE_SPEC): Redefine after config/elfos.h.
4927 2000-09-02 Alexandre Oliva <aoliva@redhat.com>, Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
4929 * config/sh/sh-protos.h (nonpic_symbol_mentioned_p,
4930 legitimize_pic_address, output_pic_addr_const): Declare.
4931 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Fix PIC register.
4932 (PREFERGOT_BIT, TARGET_PREFERGOT): Likewise.
4933 (TARGET_SWITCHES): New switch -mprefergot.
4934 (OVERRIDE_OPTIONS): Set flag_no_function_cse unless -mprefergot.
4935 (PIC_OFFSET_TABLE_REGNUM): Define.
4936 (GOT_SYMBOL_TABLE): Likewise.
4937 (LEGITIMIZE_ADDRESS): Use legitimize_pic_address.
4938 (ENCODE_SECTION_INFO): Define.
4939 (FINALIZE_PIC): New macros.
4940 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST_P): New macro.
4941 (ASM_OUTPUT_INT, ASM_OUTPUT_SHORT): Use output_pic_addr_const.
4942 * config/sh/sh.c (print_operand_address): Use output_pic_addr_const.
4943 (prepare_move_operands): Call emit_pic_move or
4944 emit_pic_const_move if appropriate.
4945 (output_far_jump): For PIC, use braf and output long offset.
4946 (machine_dependent_reorg):
4947 (sh_expand_prologue): Save and initialize the PIC register.
4948 (sh_expand_epilogue): Restore it.
4949 (initial_elimination_offset): Account for it.
4950 (nonpic_symbol_mentioned_p): New function.
4951 (legitimize_pic_address): Likewise.
4952 (output_pic_addr_const): Likewise.
4953 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): New insns.
4954 (call, call_value): Use them.
4955 (GOTaddr2picreg, sym_label2reg, symGOT2reg, symGOTOFF2reg,
4956 symPLT_label2reg): New expands.
4957 * invoke.texi (SH Options): Document -mprefergot.
4959 2000-09-01 Alexandre Oliva <aoliva@redhat.com>
4961 * rtl.h (ASM_OPERANDS_INPUT_CONSTRAINT_EXP): New macro.
4962 * gcse.c (hash_string_1): New function.
4963 (hash_expr_1) <ASM_OPERANDS>: Disregard filename and line number.
4964 (expr_equiv_p) <ASM_OPERANDS>: Likewise.
4965 * cse.c (rtx_cost): Don't increase the cost of ASM_OPERANDS.
4966 (canon_hash_string): New function.
4967 (canon_hash) <ASM_OPERANDS>: Disregard filename and line number.
4968 (exp_equiv_p) <ASM_OPERANDS>: Likewise.
4969 (fold_rtx): Use ASM_OPERANDS accessor macros.
4970 * emit-rtl.c (copy_insn_1): Likewise.
4971 * integrate.c (copy_rtx_and_substitute): Likewise.
4972 * stmt.c (expand_asm_operands): Likewise. Give an
4973 ASM_OPERANDS rtx the mode of the output reg being set from it.
4975 2000-09-01 Fred Fish <fnf@be.com>
4977 * fix-header.c (write_rbrac): Add putc and getc to list of
4978 functions to protect against prior definition as a macro.
4980 2000-09-01 Joseph S. Myers <jsm28@cam.ac.uk>
4982 * c-common.h (enum c_tree_index): Add CTI_C_SIZE_TYPE.
4983 (c_size_type_node): Define.
4984 * c-decl.c (init_decl_processing): Initialize c_size_type_node.
4985 * c-common.c (enum format_lengths, enum format_std_version,
4986 format_length_info, format_type_detail, BADLEN, NOLENGTHS,
4987 format_kind_info, printf_length_specs, scanf_length_specs, T89_I,
4988 T99_I, T89_L, T99_LL, TEX_LL, T89_S, T89_UI, T99_UI, T89_UL,
4989 T99_ULL, TEX_ULL, T89_US, T89_F, T99_F, T89_D, T99_D, T89_LD,
4990 T99_LD, T89_C, T99_SC, T99_UC, T89_V, T94_W, TEX_W, T94_WI,
4991 TEX_WI, T99_ST, T99_SST, T99_PD, T99_UPD, T99_IM, T99_UIM,
4992 format_types): Define.
4993 (format_char_info, print_char_table, scan_char_table,
4994 time_char_table): Rearrange for new organization of information
4995 about format length modifiers and standard versions.
4996 (T_ST): Redefine to use c_size_type_node.
4997 (check_format_info): Obtain information about length modifiers and
4998 standard versions from tables. Adjust warning message wordings.
4999 Use the name from the user's program for `ll' and `hh' length
5000 modifiers in warning messages. Use more informative names for
5001 wanted types where available (for wchar_t, wint_t, size_t, signed
5002 size_t, ptrdiff_t, unsigned ptrdiff_t, intmax_t and uintmax_t).
5004 2000-09-01 Jim Wilson <wilson@cygnus.com>
5006 * calls.c (emit_call_1): Add REG_NORETURN note to call if ECF_NORETURN.
5007 * combine.c (distribute_notes): Handle REG_NORETURN.
5008 * rtl.c (reg_note_name): Add REG_NORETURN.
5009 * rtl.h (enum reg_note): Likewise.
5011 * config/ia64/ia64-protos.h (emit_safe_across_calls): Renamed from
5013 * config/ia64/ia64.c (emit_safe_across_calls): Likewise.
5014 (rtx_needs_barrier): Handle unspec_volatile 8 and 9.
5015 (emit_predicate_relation_info): Handle conditional calls with
5017 * config/ia64/ia64.h (ASM_FILE_START): Call emit_safe_across_calls
5018 instead of ia64_file_start.
5019 * config/ia64/sysv4.h (ASM_FILE_START): Likewise.
5020 * config/ia64/ia64.md (safe_across_calls_all,
5021 save_across_calls_normal): New patterns.
5023 * loop.c (check_final_value): Check for biv use before checking for
5024 giv use. Check for both biv and giv uses. Always set last_giv_use
5025 if there is a giv use.
5027 2000-09-01 Richard Henderson <rth@cygnus.com>
5029 * config/ia64/ia64.md (mulsi3): Use grfr_register_operand.
5030 (madddi3): Likewise.
5033 Fri Sep 1 10:59:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5035 * expr.c (clear_storage): Don't use emit_move_insn unless
5036 either BLKmode or proper size.
5037 (store_constructor): Don't call clear_storage if REG of wrong size.
5039 * flow.c (init_propagate_block_info): Don't mark frame dead at end
5040 of function if returns wiht stack pointer depressed.
5042 2000-09-01 Andrew Haley <aph@redhat.com>
5044 * dwarf2out.c (stack_adjust_offset): New function.
5045 (dwarf2out_stack_adjust): Break out stack adjust logic into
5046 new stack_adjust_offset function. Look inside parallels and
5047 sequences for stack adjustments.
5049 2000-08-31 Jeff Law <law@cygnus.com>
5051 * arm.md: Use no_new_pseudos to determine when it is safe
5052 to create new pseudo registers.
5054 * arm.c (legitimize_pic_address): Use no_new_pseudos to determine
5055 when we can safely allocate new registers.
5057 2000-08-31 Geoffrey Keating <geoffk@cygnus.com>
5059 * stmt.c (expand_asm_operands): Twiddle generating_concat_p
5060 so that CONCATs are not generated for ASMs.
5061 * emit-rtl.c (gen_reg_rtx): Don't generate CONCATs when
5062 not generating_concat_p.
5063 * function.c (pop_function_context_from): Reset
5064 generating_concat_p.
5065 (prepare_function_start): Likewise.
5066 * rtl.c (generating_concat_p): Define.
5067 * rtl.h (generating_concat_p): Declare.
5068 * toplev.c (rest_of_compilation): No CONCATs after RTL generation.
5070 2000-08-22 Philipp Thomas <pthomas@suse.de>
5071 Masanobu Yuhara <yuhara@flab.fujitsu.co.jp>
5073 * gmicro.h (TARGET_SWITCHES): Add descriptions and mark them
5076 2000-08-30 Greg McGary <greg@mcgary.org>
5078 * Makefile.in (fixinc.sh): Pass CC, CFLAGS and LDFLAGS to mkfixinc.sh
5079 * fixinc/Makefile.in (fixincl): Pass $(LDFLAGS) to $(CC).
5080 * fixinc/mkfixinc.sh: Pass $CC, $CFLAGS and $LDFLAGS to $MAKE.
5082 2000-08-30 Greg McGary <greg@mcgary.org>
5084 * tree.h (struct tree_int_cst): Wrap low and high in a sub-struct.
5085 (TREE_INT_CST_LOW, TREE_INT_CST_HIGH): Access through sub-struct.
5086 (TREE_INT_CST): New macro.
5087 * varasm.c (const_hash, compare_constant_1, record_constant_1):
5088 Use new macro TREE_INT_CST.
5090 Wed 30-Aug-2000 23:18:59 BST Neil Booth <NeilB@earthling.net>
5092 * contrib.texi: Add self.
5094 2000-08-30 Alexandre Oliva <aoliva@redhat.com>
5096 * config/sh/sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): New insns.
5097 (cmpeqdi_t splitter): Use cmpeqsi_and_t instead of emitting jumps
5100 2000-08-30 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5102 * fixinc/gnu-regex.c: Don't define `const'.
5104 Tue Aug 29 22:09:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5106 * expr.c (store_constructor): Allow variable bounds of array type.
5107 (expand_expr): Don't blow up if type is ERROR_MARK.
5108 * varasm.c (output_constructor): Don't access lower bound of array
5109 type unless need it if index is supplied (so it can be a variable
5110 if no index is supplied).
5111 Use tree_low_cst; use HOST_WIDE_INT for sizes; change BITPOS to POS.
5112 Other minor cleanups.
5114 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5116 * Makefile.in: Revamp handling of cflags to allow different WARN_CFLAGS
5117 for compilations in stage 1 and subsequent stages, respectively.
5118 * configure.in (vax): Add compiler-dependent CFLAGS for stage 1.
5119 * configure: Rebuilt.
5120 * x-vax, x-vax-gcc: Deleted.
5122 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
5124 * c-common.c (declare_function_name): Use func_id_node,
5125 function_id_node, and pretty_function_id_node. Do not make
5126 __func__ visible at file scope.
5127 * c-common.h (c_tree_index): Add CTI_FUNCTION_ID,
5128 CTI_PRETTY_FUNCTION_ID, and CTI_FUNC_ID.
5129 (function_id_node, pretty_function_id_node, func_id_node): New
5131 * c-decl.c (init_decl_processing): Initialize function_id_node,
5132 pretty_function_id_node, and func_id_node.
5133 (c_make_fname_decl): Correct comment.
5135 * tree.h (struct tree_identifier): Constify pointer member.
5137 * c-decl.c (pushdecl, implicit_decl_warning): Constify a char *.
5138 * c-pragma.h (struct weak_syms): Constify name and value members.
5139 (add_weak): Constify arguments.
5141 * calls.c (special_function_p): Constify a char *.
5142 (expand_call): Remove variable which is initialized and then
5144 * dependence.c (struct def_use, struct induction, struct subscript):
5145 Constify 'variable' member.
5146 (get_low_bound, have_induction_variable): Constify char * argument.
5147 (find_induction_variable): Add braces to avoid dangling else.
5148 (classify_dependence): Constify char * arrays.
5149 * profile.c (output_func_start_profiler): Constify a char *.
5150 * stor-layout.c (finalize_record_size): Constify a char *.
5151 * tree.c (is_attribute_p): Constify a char *.
5152 * varasm.c (add_weak, remove_from_pending_weak_list): Constify argument.
5154 * varasm.c (make_function_rtl, make_decl_rtl): Rearrange code
5155 for comprehensibility. Do not call get_identifier if we did
5156 not change the DECL_ASSEMBLER_NAME of the decl. Use alloca to
5157 create temporary string constants, not ggc_alloc_string. No
5158 need to copy result of ASM_FORMAT_PRIVATE_NAME. Use const
5159 char * to hold IDENTIFIER_POINTERs.
5161 2000-08-29 Richard Henderson <rth@cygnus.com>
5163 * config/ia64/ia64.md (muldi3): Use grfr_register_operand
5166 2000-08-29 Richard Henderson <rth@cygnus.com>
5168 * reload.c (push_secondary_reload): Allow class == reload_class
5169 if we're using a reload_in/out pattern.
5171 * config/ia64/ia64.md (reload_inti): Use a TImode scratch. Use
5172 the half that does not conflict with the reload register.
5173 (reload_outti): Likewise.
5175 2000-08-29 Kazu Hirata <kazu@hxi.com>
5177 * reload.c: Fix formatting.
5179 * stmt.c: Fix formatting.
5181 * gcc.c: Fix formatting.
5183 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
5185 * flags.h (time_report, mem_report): New global flags.
5186 * toplev.c: Define time_report and mem_report.
5187 (f_options): Add -ftime-report and -fmem-report.
5188 (compile_file): Turn on time_report if quiet_flag is off.
5189 Call ggc_print_statistics at very end if mem_report is on.
5190 * timevar.c (TIMEVAR_ENABLE): Examine time_report, not quiet_flag.
5192 * ggc-common.c (ggc_print_statistics): Rename to
5193 ggc_print_common_statistics; all callers changed. Scale
5194 quantities above 10K to kilobytes and above 10M to megabytes.
5195 * ggc-page.c (ggc_page_print_statistics): Rename to
5196 ggc_print_statistics. Report memory consumed by internal data
5197 structures for each allocation bucket. Scale quantities above
5198 10K to kilobytes and above 10M to megabytes.
5199 * ggc-simple.c: Prototype debug_ggc_tree to avoid warning.
5200 Cast PTR_KEY(p) to unsigned long in fprintf call to avoid warning.
5201 Define tally_leaves always.
5202 (ggc_print_statistics): New function.
5203 * ggc.h: Adjust for renamed functions.
5205 Wed Aug 30 00:11:42 2000 Denis Chertykov <denisc@overta.ru>
5207 * config/avr/avr.md ("*movsf","*movsi"): Pass NULL to
5208 output_movsisf instead of which_alternative.
5210 * config/avr/avr.c (output_reload_inhi): Check for NULL ponter.
5212 Tue Aug 29 22:29:58 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
5214 * config/avr/avr-protos.h: (avr_output_ascii) Removed.
5215 (avr_progmem_p): New prototype.
5216 (output_movsisf): Prototype declaration changed.
5217 (output_movqi): New prototype.
5218 (output_movhi): New prototype.
5219 (call_insn_operand): Likewise.
5220 (final_prescan_insn): Likewise.
5221 (avr_simplify_comparision_p): Likewise.
5222 (avr_normalize_condition): Likewise.
5223 (compare_eq_p): Likewise.
5224 (out_shift_with_cnt): Likewise.
5225 (const_int_pow2_p): Likewise.
5226 (output_reload_inhi): Prototype declaration changed.
5228 * config/avr/avr.c: (debug_hard_reg_set): Prototype declared.
5229 (ldi_reg_rtx): New. rtx for r31.
5230 (avr_init_stack): Initialize as "__stack".
5231 (function_prologue): Use it.
5232 Replace all TARGET_ENHANCED with AVR_ENHANCED.
5233 (avr_mcu_name): Initialize as "avr2".
5234 (avr_enhanced_p, avr_mega_p): New variables.
5235 (mcu_types, avr_override_options): Handle all known MCU types.
5236 Also handle avr1 (only preprocess, assemble and link).
5237 (print_operand): Using of `%K' in output template removed.
5238 (out_movqi_r_mr): Optimized.
5239 (out_movhi_r_mr): Likewise.
5240 (output_movqi): New function.
5241 (output_movhi): Likewise.
5242 (out_movsi_r_mr): Optimized.
5243 (output_movsisf): Compute insn length for `adjust_insn_length'
5244 (out_movqi_mr_r): Optimized.
5245 (out_movhi_mr_r): Optimized.
5246 (adjust_insn_length): Use output_movsisf, output_movqi,
5247 output_movhi for insn length adjusting.
5248 (reg_unused_after): Use dead_or_set_p.
5249 (preferred_reload_class): Now havn't any restriction.
5250 (reg_was_0): New function.
5251 (io_address_p): Likewise.
5252 (const_int_pow2_p): Likewise.
5253 (output_reload_inhi): Likewise.
5254 (output_reload_insisf): Likewise.
5256 * config/avr/avr.h (MULTILIB_DEFAULTS): Define.
5257 (LIB_SPEC): Use -lc for all supported devices.
5258 (LIBGCC_SPEC): Use -lgcc for all supported devices.
5259 (AVR_MEGA): Define as avr_mega_p.
5260 (AVR_ENHANCED): New, define as avr_enhanced_p.
5261 (TARGET_SWITCHES): Remove -menhanced, now handled by -mmcu=...
5262 (CPP_SPEC, LINK_SPEC): Handle all known MCU types.
5263 (CRT_BINUTILS_SPECS): Handle all known MCU types.
5264 Rename gcrt1-*.o to make file names unique on 8.3 filesystems.
5265 (EXTRA_SPECS): Add CPP_AVR[1-5]_SPEC.
5266 (ASM_SPEC): Pass -mmcu=... to the assembler.
5267 Change all -DAVR_* to -D__AVR_*__.
5268 (INIT_TARGET_OPTABS), config/avr/libgcc.S:
5269 Rename library functions to start with two underscores.
5270 (ASM_OUTPUT_COMMON): Outputs `.comm VAR,VAR-SIZE,1' to avoid
5272 (ASM_WEAKEN_LABEL): Declared for __attribute__((weak)).
5273 (SUPPORTS_WEAK): Likewise.
5274 (LDI_REG_REGNO): New. Register r31 will be used as temporary
5275 register for loading constants to r0-r14.
5277 * config/avr/avr.md: Replace all TARGET_ENHANCED with
5279 (*mov_r_sp): Removed. Handled by output_movhi.
5280 (*mov_sp_r): Likewise.
5281 (*mov_sp_r_no_interrupts): Likewise
5282 (*mov_sp_r_tiny): Likewise.
5283 (*movqi): Use output_movqi.
5284 (*reload_inqi): New.
5285 (*movhi): Use output_movhi.
5286 (*reload_inhi): New.
5287 (*negsi2): Optimized.
5288 (*negsf2): Likewise.
5289 Added peepholes (define_peephole2) for loading constants to r0-r14
5290 and for using `cpse' command.
5292 * config/avr/libgcc.S: Rename library functions to start with two
5294 Add support for enhanced core.
5295 (_moqhi3): Fix typo, now _modqi3.
5296 (__divsi_raw): Use __zero_reg__ as loop counter, smaller by 1 word.
5297 (__prologue_saves__): Remove test for stack adjust by 0.
5298 (__tablejump__): New.
5300 * config/avr/t-avr: Build libgcc2 with -mcall-prologues.
5301 Add multilib support.
5303 Tue Aug 29 15:17:54 EDT 2000 John Wehle (john@feith.com)
5305 * loop.c (prescan_loop): Don't check unknown_address_altered
5306 when deciding if insert_loop_mem is safe. Add BLKmode MEMs
5307 to loop_store_mems as necessary.
5308 (loop_invariant_p): Don't check unknown_address_altered
5309 or unknown_constant_address_altered.
5311 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5313 * vax.md (sltu, sgeu): Delete sltu and sgeu insn patterns.
5315 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
5317 * cpperror.c (print_file_and_line): If line is (unsigned int)-1,
5318 print just the filename.
5319 * cpplex.c (_cpp_run_directive): Add additional argument, the
5320 name to give the synthetic buffer. This defaults to
5321 translated "<command line>".
5322 * cpplib.c (cpp_define, cpp_undef, cpp_assert, cpp_unassert):
5324 (_cpp_define_builtin): New function.
5325 * cppinit.c (initialize_builtins): Use _cpp_define_builtin.
5326 * cpphash.h: Update prototypes.
5328 * tradcpp.c (main): Process -D and -U simultaneously, in the
5329 order they appeared on the command line.
5331 2000-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5333 * c-decl.c (define_label): Call warning_with_file_and_line and
5334 error_with_file_and_line instead of plain warning or error.
5336 * c-parse.in (label): Use save_filename/save_lineno to ensure
5337 correct values for calls to define_label.
5339 2000-08-29 Mark Mitchell <mark@codesourcery.com>
5341 * calls.c (expand_call): Don't create a VAR_DECL just to throw it
5343 * expr.c (expand_expr, case TARGET_EXPR): Don't call
5345 * tree.h (get_file_function_name): Remove two duplicate
5348 2000-08-28 Kazu Hirata <kazu@hxi.com>
5350 * tree.c: Fix formatting.
5352 * xcoffout.c: Fix formatting.
5354 2000-08-28 Jason Merrill <jason@redhat.com>
5356 * dwarf2out.c (attr_checksum): Also ignore DW_AT_producer.
5358 2000-08-28 Daniel Berlin <dberlin@redhat.com>
5360 * dwarf2out.c (dwarf2out_finish): Don't bother calling
5361 break_out_includes if it won't do anything.
5363 2000-08-28 Richard Henderson <rth@cygnus.com>
5365 * reload.c (push_secondary_reload): Revert 2000-08-16 change.
5366 (find_reloads): Likewise.
5367 * config/alpha/alpha.md (reload_inqi): Revert 2000-08-11 change.
5368 (reload_inhi): Likewise.
5370 2000-08-28 Richard Henderson <rth@cygnus.com>
5372 * config/i386/i386.c: Don't error on EXTRA_CONSTRAINT defined.
5373 (call_insn_operand): Don't expect a surrounding mem.
5374 (constant_call_address_operand): Likewise.
5375 * config/i386/i386.h (PREDICATE_CODES): Update.
5376 * config/i386/i386.md (call patterns): Move the match_operand
5377 for the call destination inside the mem.
5379 2000-08-28 Richard Henderson <rth@cygnus.com>
5381 * local-alloc.c (requires_inout): Don't use reserved range for
5382 EXTRA_CONSTRAINTS; use anything not matched by REG_CLASS_FROM_LETTER.
5383 * recog.c (asm_operand_ok): Likewise.
5384 (preprocess_constraints, constrain_operands): Likewise.
5385 * regclass.c (record_reg_classes): Likewise.
5386 * reload.c (find_reloads): Likewise.
5387 * reload1.c (maybe_fix_stack_asms): Likewise.
5388 (reload_cse_simplify_operands): Likewise.
5389 * stmt.c (expand_asm_operands): Likewise.
5391 * md.texi: Update constraints documentation.
5392 * tm.texi (EXTRA_CONSTRAINT): Update.
5394 2000-08-28 Daniel Berlin <dberlin@redhat.com>
5396 * dwarf2out.c (DIE_LABEL_PREFIX): Remove leading "__".
5397 (print_die): If we don't know the offset of the
5398 target die, try the symbol. Add a trailing newline.
5399 (reverse_all_dies): New fn.
5400 (dwarf2out_finish): Call it.
5401 (break_out_includes): Reorganize for clarity.
5402 (add_sibling_attributes): Don't call reverse_die_lists.
5403 (output_comp_unit): Rename from output_comdat_comp_unit. Use for
5405 * flags.h: Add flag_eliminate_dwarf2_dups.
5406 * toplev.c (f_options): Support -feliminate-dwarf2-dups.
5408 2000-08-28 Jason Merrill <jason@redhat.com>
5410 * dwarf2.h (DW_TAG_GNU_BINCL, DW_TAG_GNU_EINCL): New tags.
5411 * dwarf2out.c: #include "md5.h".
5412 (DIE_LABEL_PREFIX): New macro.
5413 (dw_val_struct): Add 'external' flag to val_die_ref.
5414 (add_AT_die_ref, AT_ref): Adjust.
5415 (AT_ref_external, set_AT_ref_external): New fns.
5416 (build_abbrev_table): Call set_AT_ref_external.
5417 (value_format): Call AT_ref_external.
5418 (die_struct): Add die_symbol field.
5419 (new_die): Clear it.
5420 (dwarf_tag_name): Handle BINCL/EINCL.
5421 (dwarf2out_start_source_file): Add BINCL DIE.
5422 (dwarf2out_end_source_file): Add EINCL DIE.
5423 (push_new_compile_unit, pop_compile_unit, clear_die_sizes): New fns.
5424 (loc_checksum, attr_checksum, die_checksum): New fns.
5425 (is_type_die, is_comdat_die, is_symbol_die): New fns.
5426 (compute_section_prefix, assign_symbol_names): New fns.
5427 (gen_internal_sym, output_die_symbol, output_symbolic_ref): New fns.
5428 (output_die): Call output_die_symbol and AT_ref_external.
5429 (output_comdat_comp_unit): New fn, split out from...
5430 (dwarf2out_finish): ...here. Also call add_sibling_attributes for
5432 (output_pubnames, output_aranges): Abort if we see entries from
5434 * toplev.h: Declare file_name_nondirectory.
5435 * toplev.c (file_name_nondirectory): New fn, moved from C++ frontend.
5436 (rest_of_type_compilation): Call dwarf2out_decl if at toplevel.
5437 (debug_start_source_file): Call dwarf2out_start_source_file
5438 regardless of debug verbosity.
5439 (debug_end_source_file): Similarly.
5440 * tree.h: Declare clean_symbol_name.
5441 * tree.c (clean_symbol_name): Split out from...
5442 (get_file_function_name_long): ...here.
5444 * dwarf2out.c (new_loc_descr): Use calloc.
5445 (splice_child_die): Remove the die from the right parent.
5446 (gen_struct_or_union_die): Don't add AT_name to a specification DIE.
5448 Mon Aug 28 19:02:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5450 * toplev.c (decode_g_option): Don't give warning for unknown -g
5451 option; return 0 instead.
5452 (main): If -g option is not recognized by front end or
5453 language-independent code, give warning.
5455 2000-08-28 Greg McGary <greg@mcgary.org>
5457 * config/i386/i386-protos.h (ix86_expand_compare): Add extern decl.
5458 * config/i386/i386.c (ix86_expand_compare): Remove `static'.
5459 * config/i386/i386.md (trap, conditional_trap): New insn & expand.
5461 2000-08-27 Greg McGary <greg@mcgary.org>
5463 * cpplex.c (parse_string): Don't look for backslash
5464 before first char in `namebuf'.
5465 * loop.c (strength_reduce): Skip NOTEs.
5467 2000-08-27 Jason Merrill <jason@redhat.com>
5469 * c-decl.c (duplicate_decls): Don't set TREE_STATIC or clear
5470 DECL_EXTERNAL on a local extern. Don't set DECL_IGNORED_P or
5471 TREE_ASM_WRITTEN, either.
5472 (finish_decl): Adjust.
5474 2000-08-28 Philipp Thomas <pthomas@suse.de>
5476 * ABOUT-GCC-NLS: Remove gettext patches from Paul Eggert as
5477 they have been incorporated into the gettext CVS. Change the text to
5478 reflect the current status of NLS. Add instructions for accessing
5479 the gettext CVS and add the patch from Martin v. Loewis.
5481 2000-08-27 Geoff Keating <geoffk@cygnus.com>
5483 * config/rs6000/rs6000.md (movdi_internal64+5): Make SUBREG-safe
5484 by using gen_lowpart_common.
5485 (movdi_internal64+6): Likewise.
5487 2000-08-26 Alexandre Oliva <aoliva@redhat.com>
5489 * tm.texi (FINI_SECTION_ASM_OP, CRT_CALL_STATIC_FUNCTION):
5492 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Remap register
5493 numbers to the ranges used by GDB.
5495 2000-08-25 Richard Henderson <rth@cygnus.com>
5497 * config/ia64/ia64.h (struct machine_function): Add n_varargs.
5498 * config/ia64/ia64.c (ia64_compute_frame_size): Use it.
5499 (ia64_expand_prologue): Likewise.
5500 (ia64_setup_incoming_varargs): Set it. Properly skip the current
5501 argument for stdargs.
5503 2000-08-25 Jason Merrill <jason@redhat.com>
5505 * integrate.c (expand_inline_function): Pull out the original decl.
5507 2000-08-25 Jim Wilson <wilson@cygnus.com>
5509 * cse.c (cse_insn): Don't pass label subtraction to force_const_mem.
5511 * function.c (gen_mem_addressof): Clear MEM_ALIAS_SET if no decl.
5513 2000-08-25 Greg McGary <greg@mcgary.org>
5515 * flow.c (dump_edge_info): Use ARRAY_SIZE.
5516 * config/alpha/alpha.c (alpha_expand_block_move): Likewise.
5518 2000-08-25 Richard Earnshaw <rearnsha@arm.com>
5520 * arm.h (STRUCT_VALUE): Define to 0, not NULL.
5522 Fri Aug 25 12:52:49 EDT 2000 John Wehle (john@feith.com)
5524 * i386.c (ix86_find_base_term): New.
5525 * i386-protos.h (ix86_find_base_term): Prototype.
5526 * i386.h (FIND_BASE_TERM): Define.
5527 * alias.c (find_base_term): Use it.
5528 * tm.texi (FIND_BASE_TERM): Document it.
5530 * alias.c (true_dependence, write_dependence_p): Unchanging
5531 memory can't conflict with non-unchanging memory.
5533 * alias.c (memrefs_conflict_p): A BLKmode reference
5534 to a symbol (or CONST_INT address) always conflicts
5535 with a reference to another symbol.
5537 2000-08-25 Joseph S. Myers <jsm28@cam.ac.uk>
5539 * c-common.c (time_char_table): Don't allow width and flags with
5542 2000-08-25 Jakub Jelinek <jakub@redhat.com>
5544 * config/i386/i386.c (ix86_expand_branch): Treat GE and GEU the same
5545 way as LT and LTU when the second operand has 0 in low word.
5547 2000-08-26 Michael Hayes <mhayes@cygnus.com>
5549 * basic-block.h (struct loop): Rename `exits' field to
5550 `exit_edges'. Add `entry_edges' and `num_entries' fields.
5552 * flow.c (flow_loop_exit_edges_find): Rename from flow_loop_exits_find.
5553 (flow_loop_entry_edges_find): Add.
5554 (flow_edge_list_print): Rename from flow_exits_print.
5555 (flow_loops_find): Call flow_loop_entry_edges_find.
5556 (flow_loop_dump): Dump entry_edges list.
5557 (flow_loops_free): Free entry_edges.
5559 2000-08-26 Michael Hayes <mhayes@cygnus.com>
5561 * loop.c (loop_dump_aux, debug_loop): New functions.
5562 (LOOP_BLOCK_NUM_1, LOOP_BLOCK_NUM, LOOP_INSN_UID): New macros.
5564 * flow.c (flow_loops_dump): Add callback parameter.
5565 (flow_loop_dump): Add callback parameter and call it. Move
5566 loop note debugging code to loop_dump_aux.
5568 * basic-block.h (flow_loop_dump): Add callback parameter
5569 (flow_loops_dump): Likewise.
5571 * toplev.c (rest_of_compilation): Add NULL callback function pointer
5572 to call to flow_loops_dump.
5574 2000-08-26 Michael Hayes <mhayes@cygnus.com>
5576 * loop.c (count_loop_regs_set): Replace start and end arguments
5577 with loop argument. All callers udated.
5579 2000-08-26 Michael Hayes <mhayes@cygnus.com>
5581 * loop.c (constant_high_bytes): Delete.
5583 2000-08-26 Michael Hayes <mhayes@cygnus.com>
5585 * loop.c (prescan_loop): Move checks for NOTE_INSN_LOOP_CONT
5586 and NOTE_INSN_LOOP_VTOP to...
5587 (find_and_verify_loops) ...here.
5589 Fri Aug 25 04:21:13 2000 Alexandre Oliva <aoliva@redhat.com>
5591 * crtstuff.c (CRT_CALL_STATIC_FUNCTION): Define default.
5592 (fini_dummy, init_dummy): Use it.
5594 Fri 25-Aug-2000 08:03:27 BST Neil Booth <NeilB@earthling.net>
5596 * cpplex.c (is_macro_disabled): Caller has already checked
5597 that we're not a preprocessed file.
5599 2000-08-24 Mark Mitchell <mark@codesourcery.com>
5601 * Makefile.in (C_AND_OBJC_OBJS): Remove c-iterate.o.
5602 (c-iterate.o): Remove target.
5603 * gcc/c-common.h (enum rid): Remove RID_ITERATOR.
5604 * gcc/c-decl.c (init_decl_processing): Remove call to init_iterators.
5605 (finish_decl): Don't handle iterators.
5606 (grokdeclarator): Likewise.
5607 * gcc/c-parse.gperf: Remove __iterator and __iterator__ keywords.
5608 * gcc/c-gperf.h: Regenerated.
5609 * gcc/c-iterate.c: Removed.
5610 * gcc/c-lex.c (init_lex): Don't handle iterators.
5611 * gcc/c-parse.in (primary): Remove pop_iterator_stack call.
5612 (compstmt_primary_start): Remove push_iterator_stack call.
5613 (stmt): Don't allow iterator statements. Replace iterator_expand
5614 with expand_expr_stmt.
5615 (all_iter_stmt): Remove.
5616 (all_iter_stmt_simple): Likewise.
5617 (all_iter_stmt_with_decl): Likewise.
5618 * gcc/c-tree.h (ITERATOR_P): Remove.
5619 (ITERATOR_BOUND_P): Likewise.
5620 (init_iterators): Remove declaration.
5621 (iterator_expand): Likewise.
5622 (iterator_for_loop_start): Likewise.
5623 (iterator_for_loop_end): Likewise.
5624 (iterator_for_loop_record): Likewise.
5625 (push_iterator_stack): Likewise.
5626 (pop_iterator_stack): Likewise.
5627 * gcc/c-typeck.c (decl_constant_value): Don't check ITERATOR_P.
5628 (readonly_warning): Likewise.
5629 * gcc/tree.h (ITERATOR_BOUND_P): Don't mention it.
5631 2000-08-24 Jim Wilson <wilson@cygnus.com>
5633 * c-common.c (decl_attributes, case A_ALIGN): Revert last change.
5634 Copy type in a TYPE_DECL, just like pushdecl does.
5636 2000-08-24 Richard Henderson <rth@cygnus.com>
5638 * toplev.c (main): Enable flag_reorder_blocks at -O2.
5640 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
5642 * ggc-page.c (alloc_page): If HAVE_MMAP_ANYWHERE and we're
5643 asked for one page, allocate GGC_QUIRE_SIZE of them and put
5644 the extras on the free list.
5645 (release_pages): Clean up.
5646 (ggc_set_mark): Don't adjust G.allocated here...
5647 (sweep_pages): ... do it here.
5649 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
5651 * cppfiles.c (read_include_file): Rearrange initializations.
5653 2000-08-24 Richard Henderson <rth@cygnus.com>
5655 * stmt.c (expand_asm_operands): Treat EXTRA_CONSTRAINT like g or X.
5657 * config/ia64/ia64-protos.h: Update.
5658 * config/ia64/ia64.c (gr_register_operand): New.
5659 (fr_register_operand, grfr_register_operand): New.
5660 (gr_nonimmediate_operand, grfr_nonimmediate_operand): New.
5661 (grfr_reg_or_8bit_operand): New.
5662 (gr_reg_or_0_operand): Rename from reg_or_0_operand and
5663 use gr_register_operand.
5664 (gr_reg_or_5bit_operand, gr_reg_or_6bit_operand): Likewise.
5665 (gr_reg_or_8bit_operand, gr_reg_or_8bit_adjusted_operand): Likewise.
5666 (gr_reg_or_8bit_and_adjusted_operand): Likewise.
5667 (gr_reg_or_14bit_operand, gr_reg_or_22bit_operand): Likewise.
5668 (fr_reg_or_fp01_operand): Likewise.
5669 (not_postinc_memory_operand): New.
5670 (ia64_split_timode): Remove unused variables.
5671 (rtx_needs_barrier): Check arguments to cmpxchg.
5672 (builtin_description): Remove.
5673 (bdesc_2argsi, bdesc_2argdi): Remove.
5674 (ia64_init_builtins): Declare all builtins directly.
5675 (ia64_expand_fetch_and_op): Rewrite to be called from
5676 ia64_expand_builtin directly. Use expand_binop and co.
5677 (ia64_expand_op_and_fetch): Likewise.
5678 (ia64_expand_compare_and_swap): Likewise.
5679 (ia64_expand_binop_builtin): Remove.
5680 (ia64_expand_lock_test_and_set): New.
5681 (ia64_expand_lock_release): New.
5682 (ia64_expand_builtin): Use them.
5683 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_S): New.
5684 (EXTRA_CONSTRAINT): Use it.
5685 (PREDICATE_CODES): Update.
5686 * config/ia64/ia64.md (*): Use gr_register_operand and co.
5687 (mf): Indicate that we set memory as well as use it.
5688 (fetchadd_acq_si): Show memory being modified as well.
5689 (fetchadd_acq_di, cmpxchg_acq_si, cmpxchg_acq_di): Likewise.
5690 (val_compare_and_swap_si, val_compare_and_swap_di): Remove.
5691 (lock_test_and_set_si, lock_test_and_set_di): Remove.
5692 (fetch_and_add_si, fetch_and_sub_si, fetch_and_or_si): Remove.
5693 (fetch_and_and_si, fetch_and_xor_si, fetch_and_nand_si): Remove.
5694 (fetch_and_add_di, fetch_and_sub_di, fetch_and_or_di): Remove.
5695 (fetch_and_and_di, fetch_and_xor_di, fetch_and_nand_di): Remove.
5696 (add_and_fetch_di, sub_and_fetch_di, or_and_fetch_di): Remove.
5697 (and_and_fetch_di, xor_and_fetch_di, nand_and_fetch_di): Remove.
5698 (add_and_fetch_si, sub_and_fetch_si, or_and_fetch_si): Remove.
5699 (and_and_fetch_si, xor_and_fetch_si, nand_and_fetch_si): Remove.
5700 * config/ia64/ia64intrin.h (*): Cast result to the appropriate
5701 return type. Pretty print definitions.
5703 2000-08-24 Jim Wilson <wilson@cygnus.com>
5705 * config/ia64/ia64.md (movdi): Don't call gen_movdi_symbolic if
5706 we have a SYMBOL_REF with SYMBOL_REF_FLAG set.
5708 2000-08-24 Jason Merrill <jason@redhat.com>
5710 * dwarf2out.c (AT_flag, AT_int, AT_unsigned, AT_string, AT_ref,
5711 AT_loc, AT_addr, AT_lbl): Abort on unsuitable input.
5712 (get_AT_low_pc, get_AT_hi_pc, get_AT_string, get_AT_flag,
5713 get_AT_unsigned, get_AT_ref): Don't call them if get_AT fails.
5715 2000-08-24 Greg McGary <greg@mcgary.org>
5717 * optabs.c (init_optabs): Initialize fixtab, fixtrunctab, floattab,
5718 and extendtab within their proper array boundaries.
5719 * emit-rtl.c (init_emit_once): Pass `const_tiny_rtx' with bounds
5720 for the entire array.
5722 * config/arm/arm.c (arm_override_options): Use ARRAY_SIZE.
5723 * config/alpha/alpha.c (alpha_lookup_xfloating_lib_func): Likewise.
5724 * config/avr/avr.c (order_regs_for_local_alloc): Likewise.
5725 * config/fr30/fr30.c (fr30_print_operand): Likewise.
5726 * config/i386/dgux.c (output_options): Likewise.
5727 * config/i386/dgux.h (ASM_FILE_START): Likewise.
5728 * config/m88k/m88k.c (output_options): Likewise.
5729 * config/m88k/m88k.h (ASM_FILE_START): Likewise.
5730 * config/mcore/mcore.c (mcore_output_inline_const_forced,
5731 layout_mcore_frame, handle_structs_in_regs): Likewise.
5732 * config/mips/mips.c (output_block_move): Likewise.
5733 * config/rs6000/rs6000.c (rs6000_override_options,
5734 rs6000_file_start): Likewise.
5735 * config/sparc/sparc.c (sparc_add_gc_roots): Likewise.
5736 * fixinc/fixfixes.c (FIX_TABLE_CT): Likewise.
5737 * fixinc/fixtests.c (TEST_TABLE_CT): Likewise.
5738 * builtins.c (expand_builtin_setjmp): Likewise.
5739 * expr.c (safe_from_p): Likewise.
5740 * flow.c (life_analysis): Likewise.
5741 * fold-const.c (size_int_type_wide): Likewise.
5742 * gcc.c (translate_options, init_spec, set_spec, main): Likewise.
5743 * genattrtab.c (make_length_attrs): Likewise.
5744 * genopinit.c (gen_insn): Likewise.
5745 * genrecog.c (NUM_KNOWN_PREDS, NUM_SPECIAL_MODE_PREDS): Likewise.
5746 * global.c (global_alloc): Likewise.
5747 * local-alloc.c (find_free_reg): Likewise.
5748 * mips-tdump.c (print_symbol): Likewise.
5749 * mips-tfile.c (parse_def, parse_input): Likewise.
5750 * reload1.c (NUM_ELIMINABLE_REGS): Likewise.
5751 * stmt.c (expand_nl_goto_receiver): Likewise.
5752 * stor-layout.c (set_sizetype): Likewise.
5753 * varasm.c (decode_reg_name): Likewise.
5754 * toplev.c (decode_f_option, decode_W_option,
5755 set_target_switch, print_switch_values): Likewise.
5756 (NUM_ELEM): Remove macro.
5757 (display_help, main): s/NUM_ELEM/ARRAY_SIZE/
5759 2000-08-24 Greg McGary <greg@mcgary.org>
5761 * tree.h (enum tree_index): New member `TI_MAIN_IDENTIFIER'.
5762 (MAIN_NAME_P, main_identifier_node): New macros.
5763 * c-common.c (c_common_nodes_and_builtins): Init main_identifier_node.
5764 * c-decl.c (start_decl, grokdeclarator, start_function,
5765 store_parm_decls, finish_function): Use MAIN_NAME_P.
5766 * config/avr/avr.c (function_prologue, function_epilogue): Likewise.
5767 * config/i386/cygwin.h (SUBTARGET_PROLOGUE): Likewise.
5768 * config/i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
5769 * config/pdp11/pdp11.c (output_function_prologue): Likewise.
5771 2000-08-24 Greg McGary <greg@mcgary.org>
5773 * cppfiles.c (actual_directory): Don't write beyond `dir'
5774 when it contains "".
5775 * real.c (asctoeg): Stay within bounds of etens[][].
5777 2000-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5779 * dependence.c (dependence_string, direction_string,
5780 dump_one_node, dump_node_dependence): Hide unused identifiers.
5781 (get_low_bound, normalize_coefficients): Match definition to
5783 (get_one_coefficient): Initialize variables `value0_is_idx' and
5785 (ziv_test, gcd_test): Mark parameters with ATTRIBUTE_UNUSED.
5786 (ziv_test): Delete variable `idx', use parameter `sub' instead.
5787 (direction_merge): Avoid automatic aggregate initialization.
5788 (have_dependence_p): Use `src' not `dest' to set `src_idx'.
5789 Initialize variables `dest_idx' and `src_idx'.
5790 (end_dependence_analysis): Avoid C89 style function definition.
5792 2000-08-24 Joseph S. Myers <jsm28@cam.ac.uk>
5794 * c-common.c (time_char_table): Don't allow width with %F.
5795 (check_format_info): Don't allow "Z" length with scanf.
5797 2000-08-24 Gabriel Dos Reis <gdr@codesourcery.com>
5799 * diagnostic.c (finish_diagnostic): Define.
5800 (output_do_printf): Use wrap_text instead of output_add_string.
5801 (default_print_error_function): Avoid embedded '\n'.
5803 * diagnostic.h (flush_diagnostic_buffer): Declare.
5805 2000-08-23 Alexandre Oliva <aoliva@redhat.com>
5807 * dependence.c: Replace `[][]' with `[][MAX_SUBSCRIPTS]'.
5809 2000-08-23 Hans-Peter Nilsson <hp@axis.com>
5811 * Makefile.in (GCC_PASSES): Add specs.
5813 2000-08-23 Jim Wilson <wilson@cygnus.com>
5815 * frame.h (IA64_UNW_EHANDLER, IA64_UNW_UHANDLER): New.
5816 * config/ia64/frame-ia64.c (__get_personality): Return zero if neither
5817 EHANDLER nor UHANDLER bit is set.
5818 (__get_except_table): Likewise.
5820 2000-08-23 Nick Clifton <nickc@redhat.com>
5822 * config/arm/lib1funcs.asm: Replace upper case condition codes
5823 with lower case versions.
5825 * config/arm/arm.h (STRUCT_VALUE): Define.
5826 (STRUCT_VALUE_REGNUM): Delete.
5828 2000-08-23 Zack Weinberg <zack@wolery.cumb.org>
5830 * cpphash.h (IN_I): New flag for directive table.
5831 * cpplib.c (DIRECTIVE_TABLE): Mark #define, #undef, #ident, and
5833 (_cpp_check_directive): If -fpreprocessed, execute directives
5834 marked with IN_I. Issue no warnings in this case.
5835 * cpplex.c (_cpp_get_token): Expand no macros if -fpreprocessed.
5837 2000-08-23 Joseph S. Myers <jsm28@cam.ac.uk>
5839 * c-common.c (print_char_table): Allow 'I' flag with %d, %i and
5841 (check_format_info): Support printf 'I' flag; warn about it with
5844 2000-08-23 Richard Earnshaw (rearnsha@arm.com)
5846 * arm.c (arm_expand_prologue): Ensure that the stack-adjustment
5847 barrier can't be ignored by the alias analysis code.
5849 2000-08-12 Eli Zaretskii <eliz@is.elta.co.il>
5851 * fixinc/inclhack.def (sysv68_string): Fix the Sed script so it
5852 works inside fixincl.
5854 Wed Aug 23 04:55:48 2000 Alexandre Oliva <aoliva@redhat.com>
5856 * simplify-rtx.c (simplify_rtx): Don't pass VOIDmode to
5857 simplify_relational_operation() unless both operands are of
5859 * cse.c (fold_rtx): Likewise.
5861 Tue Aug 22 23:53:27 EDT 2000 John Wehle (john@feith.com)
5863 * rtlanal.c (rtx_unstable_p): The pic register is stable
5864 (within one function) and the actual rtx should be used
5865 when checking the registers.
5866 (rtx_addr_can_trap_p): Pic memory addresses can't trap.
5868 * alias.c (true_dependence, write_dependence_p): Fix
5869 bug in previous patch.
5871 * i386.c (ix86_GOT_alias_set): New.
5872 (legitimize_pic_address): Use it.
5874 * rtlanal.c (rtx_unstable_p): An unchanging MEM is
5875 only stable if its address is stable.
5876 (rtx_varies_p): An unchanging MEM can't vary if
5877 its address doesn't vary.
5879 2000-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5881 * c-parse.in (unop +): Restrict -Wtraditional warnings to user code.
5883 2000-08-22 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5885 * vax.h (ASM_SPEC): Pass `-J' to assembler.
5886 * x-vax-gcc: New file for bootstrapping with gcc.
5887 * x-vax: Use X_CFLAGS rather than X_CPPFLAGS to pass `-J'.
5888 * configure.in: Use x-vax-gcc with gcc.
5889 * configure: Rebuilt.
5891 Tue Aug 22 21:21:05 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5893 * toplev.c (rest_of_compilation): Rebuild label notes after
5894 post-reload splitting pass if new labels have been created.
5896 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
5898 * diagnostic.h (output_buffer_state): New macro.
5899 * diagnostic.c (diagnostic_for_decl, sorry,
5900 default_print_error_function, output_do_verbatim,
5901 report_diagnostic, report_problematic_module): Use it.
5903 (output_format): Use wrap_text instead of maybe_wrap_text.
5905 2000-08-22 Nick Clifton <nickc@redhat.com>
5907 * config/arm/lib1funcs.asm (ARM_DIV_MOD_BODY): New macro.
5908 Common code for ARM divide and modulus functions.
5909 (THUMB_DIV_MOD_BODY): New macro. Thumb equivalent of
5911 (FUNC_END): New macro: Common code at the end of the division and
5913 (THUMB_FUNCTION_START): New macro: Common code at the start of
5915 (__divsi3, __udivsi3, __modsi3, __umodsi3): Use new macros.
5917 Tue Aug 22 20:34:52 2000 Kaz Kojima <kkojima@rr.iij4u.or.jp>
5919 * config/sh/sh.md (cmpeqdi_t splitter): Fix a reverse testing.
5921 * config/sh/sh.c (prepare_scc_operands): Apply force_reg to
5922 sh_compare_op1 when the mode is DImode and sh_compare_op1 isn't
5925 2000-08-22 Nick Clifton <nickc@redhat.com>
5927 * config/arm/lib1funcs.asm (__umodsi3): Before performing any
5928 restorative additions, test for bottom bits of IP being set,
5929 rather than relying upon the RORs not matching.
5932 2000-08-22 David Edelsohn <edelsohn@gnu.org>
5934 * aix.h (ASM_DECLARE_FUNCTION_NAME): Call named_section() or
5935 text_section() as appropriate instead of emitting text csect
5937 (TEXT_SECTION_ASM_OP): Only require default 32-bit alignment.
5938 (UNIQUE_SECTION): Define macro.
5939 (ASM_OUTPUT_SECTION_NAME): Define macro.
5940 * rs6000.c (rs6000_override_options): Disable -ffunction-sections
5941 on AIX if debugging and -fdata-sections always.
5943 2000-08-22 Steven King <sxking@uswest.net>
5945 * config/float-i386.h (LDBL_EPSILON): Remove __convert_long_double
5947 (LDBL_MAX): Same here.
5949 2000-08-22 Richard Henderson <rth@cygnus.com>
5951 * flow.c (tidy_fallthru_edge): Update b->end properly.
5953 2000-08-22 Stan Cox <scox@redhat.com>
5955 * Makefile.in (OBJS): Add dependence.o.
5956 * dependence.c: New file.
5958 2000-08-22 Alexandre Oliva <aoliva@redhat.com>, John David Anglin <dave.anglin@nrc.ca>
5960 * calls.c (check_sibcall_argument_overlap_1): Adjust for
5962 (check_sibcall_argument_overlap): Likewise.
5964 2000-08-22 Alexandre Oliva <aoliva@redhat.com>
5966 * invoke.texi (SH Options): Document -m4-nofpu,
5967 -m4-single-only, -m4-single, -m4, -mbigtable, -mfmovd,
5968 -mhitachi, -mnomacsave, -misize, -mpadstruct, -mspace.
5970 2000-08-22 Joseph S. Myers <jsm28@cam.ac.uk>
5972 * c-common.c (check_format_info): Give the 'some locales' warning
5973 for strftime %Ey rather than the unconditional 'only last 2 digits
5976 2000-08-22 Richard Henderson <rth@cygnus.com>
5978 * alias.c (init_alias_analysis): Do not register
5979 struct_value_incoming_rtx or static_chain_rtx as pointing
5982 Tue Aug 22 01:44:43 2000 Jeffrey A Law (law@cygnus.com)
5984 * protoize.c (munge_compile_params): Fix typo and formatting buglets.
5986 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
5988 * diagnostic.h (report_problematic_module): Declare.
5989 * diagnostic.c (report_problematic_module): New function.
5990 (report_error_function): Tweak.
5992 Tue Aug 22 02:31:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5994 * stmt.c (expand_goto_internal, fixup_gotos): Only check
5995 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
5997 2000-08-21 Richard Henderson <rth@cygnus.com>
5999 * flow.c (calculate_global_regs_live): Mark frame pointer live
6000 everywhere before reload.
6002 2000-08-21 Jim Wilson <wilson@cygnus.com>
6004 * real.c (ereal_from_int, ereal_from_uint, significand_size): Handle
6005 INTEL_EXTENDED_IEEE_FORMAT.
6006 (toe64): Delete INTEL_EXTENDED_IEEE_FORMAT support. Unconditionally
6007 clear last two bytes of output FP value.
6009 2000-08-21 Graham Stott <grahams@cygnus.co.uk>
6011 * config/ia64/ia64.h (REDO_SECTION_INFO_P): Change decl to DECL.
6013 2000-08-21 Jakub Jelinek <jakub@redhat.com>
6015 * unroll.c (loop_find_equiv_value): If ret is modified between
6016 insn and loop_start, ret might not be equivalent to reg.
6018 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
6020 * c-common.c (init_dollar_format_checking,
6021 maybe_read_dollar_number, finish_dollar_format_checking): New
6023 (dollar_arguments_used, dollar_arguments_count,
6024 dollar_first_arg_num, dollar_max_arg_used, dollar_format_warned):
6026 (check_format_info): Support $ formats for scanf and printf width
6027 and precision. Always increment format_chars to advance past the
6028 '*' of precision, not just when the format parameters are
6031 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6033 * mips.c (block_move_loop, expand_block_move,
6034 function_arg_partial_nregs, save_restore_insns, function_prologue,
6035 mips_expand_prologue, RA_MASK): Avoid using the `U' integer
6037 (function_arg_advance, function_arg): Match argument to format
6040 2000-08-21 Nix <nix@esperi.demon.co.uk>
6042 * gcc.c (do_spec_1): Implement %j spec flag.
6043 Remove dead comment.
6045 * gcc.texi (The Configuration File): Document HOST_BIT_BUCKET.
6046 * system.h (HOST_BIT_BUCKET): Default to "/dev/null".
6047 * config/i386/xm-dos.h (HOST_BIT_BUCKET): Define as "NUL".
6048 * config/i386/xm-os2.h, config/winnt/winnt.h: Likewise.
6050 * protoize.c (munge_compile_params): Use HOST_BIT_BUCKET (if
6051 writable) instead of hardcoded value.
6053 * toplev.c (compile_file): Output to a file even if -fsyntax-only.
6055 * gcc.c, config/i386/xm-dos.h, config/i386/xm-os2.h: Kill
6058 * gcc.c (cc1_options): Do not process -o or run the assembler if
6060 * objc/lang-spec.h: Likewise.
6062 2000-08-21 Eli Zaretskii <eliz@is.elta.co.il>
6064 * fixinc/fixincl.c (fix_with_system): Pipe the output of
6065 "external" fixes through `cat', to avoid truncating the input
6066 file by redirection.
6068 2000-08-21 Jakub Jelinek <jakub@redhat.com>
6070 * config/i386/i386.md (lea_general_1): Copy insn condition to split
6072 (lea_general_2, lea_general_3): Likewise.
6074 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6076 * c-decl.c (duplicate_decls, define_label): Restrict -Wtraditional
6077 warnings to user code.
6079 * c-lex.c (readescape, yylex): Likewise.
6081 * c-typeck.c (store_init_value, process_init_element): Likewise
6082 (c_expand_start_case): Format.
6084 2000-08-18 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
6086 * mips/linux.h (LINK_SPEC): Use %(endian_spec).
6088 * mips/mips.h: Change LINKER_ENDIAN_SPEC to ENDIAN_SPEC
6089 and linker_endian_spec to endian_spec.
6090 (ENDIAN_SPEC): Add %{EB} and %{EL}.
6091 (LINK_SPEC): Remove %{EB} and %{EL}.
6092 (ASM_SPEC): Likewise. Use %(endian_spec).
6094 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
6096 * c-tree.h (flag_hosted): Move declaration from here...
6097 * c-common.h (flag_hosted): ... to here.
6098 (flag_noniso_default_format_attributes): New declaration.
6099 * c-decl.c (flag_noniso_default_format_attributes): New variable.
6100 (c_decode_option): Set it appropriately for options choosing
6101 language standard variant.
6102 * c-common.c (init_function_format_info): Only provide default
6103 format attributes if flag_hosted. Only provide the gettext
6104 formats if flag_noniso_default_format_attributes. Update
6106 (check_format_info): Disable treatment of %a as a scanf flag in
6109 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
6111 * c-common.c (scan_char_table): Add 'w' to flags for all formats
6113 (check_format_info): Set 'wide' for scanf format widths. Warn for
6114 a zero scanf width. Make the check for writing into a constant
6115 object at the first level of indirection; at later levels, warn if
6116 any type qualifiers are encountered.
6118 Mon Aug 21 07:41:12 2000 Jeffrey A Law (law@cygnus.com)
6120 * reload.c (reload_inner_reg_of_subreg): New function broken out of
6122 (push_reload): Use reload_inner_reg_of_subreg.
6123 (combine_reloads): Do not combine reloads if the input reload
6124 is a SUBREG in which the inner part will need reloading.
6126 * global.c (global_alloc): Avoid passing dumpfile argument to
6128 * toplev.c (rest_of_compilation): Likewise.
6129 * reload.h (reload): Remove dumpfile argument. Callers changed.
6130 (debug_reload, debug_reload_to_stream): Move prototypes here.
6131 * rtl.h (reload): Remove dumpfile argument.
6132 * reload.c (debug_reload): Remove prototype.
6133 (debug_reload_to_stream): Likewise.
6134 * reload1.c: Avoid passing dumpfile around, rely on rtl_dump_file
6137 2000-08-21 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
6139 * diagnostic.c (context_as_prefix): Export.
6140 (need_error_newline): Remove.
6141 (lang_diagnostic_starter, lang_diagnostic_finalizer): New objects.
6142 (error_module_changed, record_last_error_module,
6143 error_function_changed, record_last_error_function): New functions.
6144 (initialize_diagnostics): Default intialize
6145 lang_diagnostic_starter, lang_diagnostic_finalizer.
6146 (init_output_buffer): Tweak.
6147 (file_name_as_prefix): New function.
6148 (announce_function, default_print_error_function,
6149 report_error_function, set_diagnostic_context): Tweak.
6151 2000-08-21 Richard Earnshaw <rearnsha@arm.com>
6153 * flow.c (init_propagate_block_info): Handle SUBREG in a jump
6154 condition expression.
6156 2000-08-20 Richard Henderson <rth@cygnus.com>
6158 * flow.c (merge_blocks_nomove): Don't seek back past the bb note.
6160 2000-08-20 Zack Weinberg <zack@wolery.cumb.org>
6162 * cppinit.c (cpp_init): Set global flag when called.
6163 (cpp_reader_init): Bomb out if cpp_init hasn't been called.
6165 Sun Aug 20 01:41:35 2000 Dennis Chernoivanov <cdi@sparc.spb.su>
6167 * cpplex.c (cpp_scan_buffer): Move `output_line_command' just
6168 before `process_directive' so that newlines won't be missed
6170 (cpp_printf): Increment `print->lineno' when newline is emitted.
6172 * cppmain.c (cb_ident): Likewise.
6173 (cb_define): Likewise.
6174 (cb_undef): Likewise.
6175 (cb_include): Likewise.
6176 (cb_def_pragma): Likewise.
6177 (dump_macros_helper): Likewise.
6179 2000-08-20 Richard Henderson <rth@cygnus.com>
6181 * config/ia64/ia64.c (emit_insn_group_barriers): Stop if ar.lc
6182 assigned before a loop.
6184 * config/ia64/ia64.md (ashlsi3): Zero extend the shift count.
6185 (ashrsi3, lshrsi3): Likewise.
6187 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
6189 * c-lang.c: #include diagnostic.h
6190 (c_tree_printer): New function.
6191 (lang_init): Initialize lang_printer.
6193 * Makefile.in (c-lang.o): Depends on diagnostic.h
6195 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
6197 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic.
6199 * diagnostic.c (default_diagnostic_starter,
6200 default_diagnostic_finalizer): New functions.
6201 (diagnostic_for_asm, diagnostic_for_decl): Tweak.
6202 (pedwarn, pedwarn_with_file_and_line, error,
6203 error_with_file_and_line, fatal, warning,
6204 warning_with_file_and_line): Adjust call to report_diagnostic.
6205 (report_diagnostic): Rework.
6206 (set_diagnostic_context): New function.
6208 * diagnostic.h (struct diagnostic_context): New data structure.
6209 (diagnostic_message, diagnostic_argument_list,
6210 diagnostic_file_location, diagnostic_line_location,
6211 diagnostic_is_warning, diagnostic_starter, diagnostic_finalizer,
6212 diagnostic_finalizer, diagnostic_auxiliary_data): New macros.
6213 (set_diagnostic_context): Declare.
6214 (report_diagnostic): Change prototype.
6216 Sun 20-Aug-2000 09:25:45 BST Neil Booth <NeilB@earthling.net>
6218 * fix-header.c (main): Initialize cpplib.
6220 2000-08-19 Michael Meissner <meissner@redhat.com>
6222 * ifcvt.c (find_if_block): Do not assume that a THEN block has any
6223 instructions in it before checking for indirect jumps.
6225 * ifcvt.c (find_if_block): Do not consider a THEN block that ends
6226 in a indirect jump as a potential for conditional execution.
6228 * d30v.h (d30v_init_expanders): Don't declare here.
6229 * d30v-protos.h (d30v_init_expanders): Declare here with a valid
6232 Sat 19-Aug-2000 21:11:45 BST Neil Booth <NeilB@earthling.net>
6234 * cpp.texi: Add @section for assertions.
6236 Sat Aug 19 12:37:08 EDT 2000 John Wehle (john@feith.com)
6238 * loop.c (scan_loop): Use CONST_CALL_P instead of
6239 checking for REG_LIBCALL / REG_RETVAL.
6241 Sat Aug 19 09:18:47 2000 Jeffrey A Law (law@cygnus.com)
6243 * reload1.c (reload_as_needed): Accept dumpfile argument,
6244 pass it to emit_reload_insns.
6245 (emit_reload_insns): Add new dumpfile argument. If non-null
6246 then dump the reloads for each insn into the dumpfile.
6247 (reload): Pass dumpfile to reload_as_needed.
6249 * invoke.texi: Clean up linux-gnu vs linux comments.
6251 2000-08-19 Richard Henderson <rth@cygnus.com>
6253 * config/ia64/ia64.c (reg_or_5bit_operand): New.
6254 (ia64_depz_field_mask): New.
6255 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_R): New.
6256 (PREDICATE_CODES): Update.
6257 * config/ia64/ia64.md: Update commentary.
6258 (depz_internal): New.
6259 (ashlsi3): Implement directly.
6260 (ashrsi3, lshrsi3): Simplify; rely on extv and extzv for constants.
6261 (ashldi3): Use shladd.
6262 * config/ia64/ia64-protos.h: Update.
6264 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
6266 * toplev.c (independent_decode_option): Always process -g.
6267 Remove third argument, now unused. Adjust caller to match.
6269 2000-08-18 Richard Henderson <rth@cygnus.com>
6271 * combine.c (make_compound_operation): Break after creating
6274 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
6276 * cpplib.c (cpp_register_pragma_space): Just return if the
6277 namespace is already registered.
6279 2000-08-18 Ray Essick <essick@ddna.labs.mot.com> & Nick Clifton <nickc@redhat.com>
6281 * config/mcore/mcore.md (rotlsi3): Allow allow rotations by a
6282 constant amount. Do not generate ROTL instruction.
6284 Fri Aug 18 16:22:20 2000 Alexandre Oliva <aoliva@redhat.com>
6286 * config/sh/elf.h: Do not include sh/sh.h.
6287 * config/sh/rtems.h: Likewise.
6288 * config/sh/rtemself.h: Do not include sh/elf.h.
6289 * configure.in: Get them included with `tm_file's.
6290 * configure: Rebuilt.
6292 * config/sh/sh.md (fpu_switch0, fpu_switch1): Simplify.
6293 * config/sh/sh.c (fpscr_set_from_mem): Use them.
6295 Fri Aug 18 14:23:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6297 * stor-layout.c (compute_record_type): Don't use mode of single
6298 field as mode of record if not integer mode of same type.
6300 * regmove.c (perhaps_ends_bb_p): New function.
6301 (optimize_reg_copy_1, optimize_reg_copy_2): Call it.
6302 (optimize_reg_copy_3, fixup_match_2, regmove_optimize): Likewise.
6303 (fixup_match_1): Likewise.
6304 (fixup_match_1, combine_stack_adjustments_for_block): Add casts to
6305 avoid signed/unsigned warnings.
6307 * function.c (fixup_var_refs_1, case MEM): Update CODE after
6310 Fri 18-Aug-2000 18:33:45 BST Neil Booth <NeilB@earthling.net>
6312 * cpphash.h: Use HAVE_DESIGNATED_INITIALIZERS.
6313 (_cpp_trigraph_map): Declaration moved from cpplex.c
6315 * cppinit.c: Define _cpp_trigraph_map. Use UCHAR_MAX + 1
6316 instead of 256. Use consistent test for designated initializers.
6317 (cpp_init): Initialize trigraph_map.
6318 (initialize_standard_includes, parse_option): Use memcmp
6321 * cpplex.c (init_trigraph_map): Remove.
6322 (trigraph_ok, trigraph_replace, lex_line): Refer to
6325 * cpplib.c (str_match, WARNING, ERROR, ICE): Delete.
6326 (do_unassert): Remove unused "next" local.
6328 * system.h (HAVE_DESIGNATED_INITIALIZERS): New prototype.
6330 2000-08-18 Emmanuel Marty <emarty@suntech.fr>
6332 * arm/lib1funcs.asm (_umodsi3 THUMB VARIANT): Restore deleted return
6335 2000-08-17 Richard Henderson <rth@cygnus.com>
6337 * config/ia64/ia64.c (spill_restore_mem): Handle emitting
6338 the first insn in a sequence.
6340 Thu Aug 17 22:40:05 EDT 2000 John Wehle (john@feith.com)
6342 * alias.c (true_dependence, write_dependence_p): A read
6343 involving a label_ref or the constant pool doesn't create
6346 * rtl.h (unchanging): Improve documentation.
6348 2000-08-17 Rodney Brown <RodneyBrown@mynd.com>
6350 * cse.c (insert_regs): Remove unused `regno'.
6352 2000-08-17 Neil Booth <NeilB@earthling.net>
6354 * (cppinit.c) merge_include_chains: Use remove_dup_dir,
6355 remove_dup_dirs. If qtail == brack, remove brack not
6357 (remove_dup_dir, remove_dup_dirs): New functions.
6359 2000-08-17 Neil Booth <NeilB@earthling.net>
6361 * cppinit.c (cpp_cleanup): Free include dir chains.
6362 * cpplib.c (do_undef): Let _cpp_free_definition make the node void.
6363 (do_unassert): Free the assert with _cpp_free_definition.
6364 * cppmacro.c (_cpp_free_definition): Free memory allocated for
6365 assertions. Make the node a T_VOID node.
6367 2000-08-17 Neil Booth <NeilB@earthling.net>
6369 * cppinit.c (path_include, append_include_chain):
6370 Remove 2nd parameter (struct cpp_pending *).
6371 (path_include, initialize_standard_includes, cpp_handle_option):
6372 Update callers appropriately.
6373 (cpp_handle_option): Use pend.
6375 2000-08-17 Neil Booth <NeilB@earthling.net>
6377 * cppinit.c (sort_options): Remove, put functionality in
6380 (initialize_builtins): Free memory.
6381 (cpp_start_read): Move init_IStable to cpp_init.
6383 * cpplib.h (cpp_init): New prototype.
6384 * cppmain.c (main): Call cpp_init.
6386 Thu Aug 17 13:20:32 EDT 2000 John Wehle (john@feith.com)
6388 * rtlanal.c (rtx_unstable_p): Use CONSTANT_P.
6389 (rtx_unstable_p, rtx_varies_p): Process vectors.
6391 2000-08-16 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
6393 * config/sh/lib1funcs.asm (GLOBAL): Define. Use for all
6394 references to GLOBAL symbols. Use LOCAL where appropriate.
6396 2000-08-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6398 * configure.in (*-ibm-aix4.[12]*): Delete test for gnu ld. Always
6399 use t-aix41 when host == target.
6401 2000-08-16 Richard Henderson <rth@cygnus.com>
6403 * reload.c (push_secondary_reload): Revert last change.
6404 If we use a reload_in/out pattern, make the when the same
6405 as the primary reload.
6406 (find_reloads): Likewise.
6408 2000-08-16 Manfred Hollstein <manfredh@redhat.com>
6410 * configure.in (libstdcxx-v3): Fix test.
6411 * configure: Regenerate.
6413 Wed Aug 16 08:10:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6415 * calls.c (calls_function_1, expand_call): Only test
6416 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
6417 * function.c (thread_prologue_and_epilogue_insns): Likewise.
6419 2000-08-16 Richard Henderson <rth@cygnus.com>
6421 * combine.c (simplify_shift_const): Revert previous two
6422 changes. If SHIFT_COUNT_TRUNCATED, crop the shift count
6423 before the main loop.
6425 2000-08-15 Richard Henderson <rth@cygnus.com>
6427 * combine.c (simplify_shift_const): Bound shift count when
6430 Tue Aug 15 17:33:05 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6432 * calls.c (ECF_SP_DEPRESSED): New macro.
6433 (calls_function_1): Treat calling sp-depressed function as alloca.
6434 (emit_call_1): Don't adjust SP if calling sp-depressed function.
6435 (expand_call): Set ECF_SP_DEPRESSED if TYPE_RETURNS_STACK_DEPRESSED.
6436 If sp-depressed, ensure block saves and restores SP.
6437 * fold-const.c (extract_muldiv): Only check TYPE_IS_SIZETYPE
6439 * function.c (keep_stack_depressed): New function.
6440 (thread_prologue_and_epilogue_insns): Call it.
6441 * print-tree.c (print_node): Use HOST_WIDE_INT_PRINT_UNSIGNED
6442 to print DECL_OFFSET_ALIGN.
6443 Print no-force-blk and transparent-union flags properly.
6444 * stmt.c (expand_goto_internal): Don't restore stack if last block
6445 and function returns with sp depressed.
6446 (fixup_gotos): Likewise.
6447 (save_stack_pointer): New function, from code in expand_decl.
6448 (expand_decl): Call new function.
6449 * tree.h (TYPE_IS_SIZETYPE): Call INTEGER_TYPE_CHECK.
6450 (TYPE_RETURNS_STACK_DEPRESSED): New macro.
6451 (save_stack_pointer): New declaration.
6453 * diagnostic.c (fatal_function): New variable.
6454 (set_fatal_function): New function.
6456 * diagnostic.h (set_fatal_function): New declaration.
6458 2000-08-15 William Cohen <wcohen@redhat.com>
6460 * config/sh/elf.h (DWARF2_DEBUGGING_INFO): Defined.
6461 (PREFERRED_DEBUGGING_TYPE): Set to dwarf2 info.
6462 (DWARF2_ASM_LINE_DEBUG_INFO): Defined.
6464 2000-08-15 Richard Henderson <rth@cygnus.com>
6466 * flow.c (mark_used_reg): Set reg_cond_reg appropriately.
6468 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
6470 * arm.c (arm_function_ok_for_sibcall): New function.
6471 * arm.h (FUNCTION_OK_FOR_SIBCALL): Define.
6472 * arm.md (call expanders): Don't check here for calls that can't
6475 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
6477 * arm.md (splits generating cond_exec): Disable.
6479 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
6481 * arm/linux-elf.h (text_section): Delete declaration.
6483 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
6485 ARM support for unordered FP operations.
6486 * arm-protos.h (arm_comparison_operator): Declare.
6487 * arm.c (arm_comparison_operator): New function.
6488 (arm_select_cc_mode): Add unordered comparison codes.
6489 (get_arm_condition_code): Likewise.
6490 (arm_final_prescan_insn): Can't handle unordered jumps that can't
6491 be done in one insn.
6492 * arm.h (PREDICATE_CODES): Add arm_comparison_operator.
6493 * arm.md (all uses of comparison_operator): Replace with
6494 arm_comparison_operator.
6495 (bunordered, bordered, bugt, bunlt, bunge, bunle, buneq, bltgt): New
6497 (arm_buneq, arm_bltgt, arm_buneq_reversed, arm_bltgt_reveresed): New
6500 Tue Aug 15 00:36:36 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
6502 * gthr-posix.h: Conditionally include <sched.h>; include
6503 <config.h> from libobjc/.
6505 2000-08-14 Richard Henderson <rth@cygnus.com>
6507 * config/i386/i386.c (legitimize_pic_address): Use Pmode
6510 2000-08-14 Richard Henderson <rth@cygnus.com>
6512 * configure.in (ia64-*): Set float_format for i386 long double.
6514 * real.c (GET_REAL): Treat 128-bit INTEL_EXTENDED_IEEE_FORMAT
6515 as we would for i386 XFmode.
6516 (PUT_REAL): Likewise.
6517 (endian, ereal_atof, real_value_truncate): Likewise.
6518 (ereal_isneg, toe64, etens, make_nan): Likewise.
6519 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Likewise.
6521 * config/ia64/ia64-protos.h: Update.
6522 * config/ia64/ia64.c (general_tfmode_operand): New.
6523 (destination_tfmode_operand): New.
6524 (tfreg_or_fp01_operand): New.
6525 (ia64_split_timode): New.
6526 (spill_tfmode_operand): New.
6527 (ia64_expand_prologue): Use TFmode not XFmode.
6528 (ia64_expand_epilogue): Likewise.
6529 (ia64_function_arg): Likewise.
6530 (ia64_function_arg_advance): Likewise.
6531 (ia64_return_in_memory): Likewise.
6532 (ia64_function_value): Likewise.
6533 (ia64_print_operand): Likewise.
6534 (ia64_register_move_cost): Set GR<->FR to 5.
6535 (ia64_secondary_reload_class): Get GR for TImode memory op.
6536 * config/ia64/ia64.h (ROUND_TYPE_SIZE): Remove.
6537 (ROUND_TYPE_ALIGN): Remove.
6538 (LONG_DOUBLE_TYPE_SIZE): Set to 128.
6539 (INTEL_EXTENDED_IEEE_FORMAT): Define.
6540 (HARD_REGNO_NREGS): Use TFmode, not XFmode.
6541 (HARD_REGNO_MODE_OK): Likewise. Disallow TImode in FRs.
6542 (MODES_TIEABLE_P): Use TFmode, not XFmode.
6543 (CLASS_MAX_NREGS): Likewise.
6544 (ASM_OUTPUT_LONG_DOUBLE): Output by 4 byte hunks.
6545 (PREDICATE_CODES): Update.
6546 * config/ia64/ia64.md (movti): New.
6547 (movti_internal): Use a clobber for memory alternatives.
6548 (reload_inti, reload_outti): New.
6549 (movsfcc_astep): Predicate properly.
6550 (movdfcc_astep): Likewise.
6553 (extendsftf2, extenddftf2): New.
6554 (trunctfsf2, trunctfdf2): New.
6555 (floatditf2, fix_trunctfdi2): New.
6556 (floatunsditf2, fixuns_trunctfdi2): New.
6557 (addtf3, subtf3, multf3, abstf2): New.
6558 (negtf2, nabstf2, mintf3, maxtf3): New.
6559 (maddtf3, msubtf3, nmultf3, nmaddtf3): New.
6561 (fr_spill): Use TFmode, not XFmode.
6562 (fr_restore): Likewise.
6563 * config/ia64/lib1funcs.asm (__divtf3): New.
6564 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add it.
6566 2000-08-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6568 * cse.c (fold_rtx): Avoid empty body in an if-statement.
6570 * doloop.c (doloop_iterations_max, doloop_modify): Avoid using the
6571 `U' integer constant suffix.
6573 * dwarf2out.c (add_subscript_info): Avoid empty body in an
6576 * sparc/sol2.h (__enable_execute_stack): Prototype.
6578 2000-08-14 David Edelsohn <edelsohn@gnu.org>
6580 * collect2.c: Remove use of AIX import file.
6582 * longlong.h: Test ARCH_PWR not ARCH_POWER.
6584 * rs6000.c (print_operand, case 'E'): Add else.
6586 2000-08-14 Richard Henderson <rth@cygnus.com>
6588 * config/ia64/ia64.md (movdi): Delay calling ia64_expand_load_address.
6589 (movdi_symbolic): New.
6591 2000-08-14 Jim Wilson <wilson@cygnus.com>
6593 * config/ia64/ia64.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
6594 to GNU as. For Intel as, pass -M const_gp and -M no_plabel.
6595 * config/ia64/linux.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
6598 2000-08-14 Richard Henderson <rth@cygnus.com>
6600 * expr.c (emit_group_load): Don't force constants into registers.
6601 Special case source already in the correct mode.
6603 2000-08-14 Zack Weinberg <zack@wolery.cumb.org>
6605 * configure.in: Accept *-*-linux* not just *-*-linux-gnu*.
6606 * fixinc/inclhack.def: Likewise.
6607 * fixinc/mkfixinc.sh: Likewise.
6608 * configure: Regenerate.
6609 * fixinc/fixincl.x: Regenerate.
6610 * install.texi: Document equivalence of linux and linux-gnu.
6612 Mon Aug 14 18:51:44 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6614 * cse.c (insert_regs): Also in REG case: When finding an invalid
6615 value, and we make a new quantity, make sure that it won't be
6616 mistaken by for a valid one by mention_regs.
6618 2000-08-13 Ralf Gütlein <ralf.guetlein@aranea.de>
6620 * h8300.md: Remove obsolete peepholes.
6622 2000-08-13 Kazu Hirata <kazu@hxi.com>
6624 * invoke.texi (H8/300 Options): Fix typos.
6625 * config/h8300.c: Fix formatting.
6626 * config/h8300.h: Fix comment typos.
6627 (OVERRIDE_OPTIONS): Fix formatting.
6629 * function.c: Fix formatting.
6631 * cse.c: Fix formatting.
6633 2000-08-13 Geoff Keating <geoffk@cygnus.com>
6635 * flow.c (attempt_auto_inc): Remove unused variable `bb'.
6636 (attempt_auto_inc): Suppress parentheses warning.
6637 * function.c (put_reg_into_stack): Remove unused variable `unsigned_p'.
6638 * loop.c (load_mems): Remove `u' suffix in two places.
6639 * config/rs6000/rs6000.c: Remove unnecessary `u' suffixes from
6641 * config/rs6000/rs6000.h: Likewise.
6642 * config/rs6000/sol-c0.c: Prototype some functions. Remove the
6643 __eabi dummy routine.
6644 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Remove unused
6647 * config/rs6000/rs6000.c (rs6000_select_section): Rewrite to
6648 not put stuff in .sdata unnecessarily.
6649 (rs6000_unique_section): New function.
6650 * config/rs6000/rs6000-protos.h: Add rs6000_unique_section.
6651 * config/rs6000/sysv4.h (UNIQUE_SECTION): Define.
6653 * c-typeck.c (build_array_ref): Don't complain about non-lvalue
6654 arrays in C99. Don't try to look at DECL_REGISTER of a
6655 COMPONENT_REF. Don't complain twice about the same error.
6657 * fixinc/inclhack.def (aix_pthread): New fix.
6658 (aix_sysmachine): New fix.
6659 * fixinc/fixincl.x: Regenerate.
6661 * expr.c (expand_expr): Call convert_modes when turning a large
6662 multiply into a small one.
6664 2000-08-12 Geoff Keating <geoffk@cygnus.com>
6666 * tree.h (DECL_OFFSET_ALIGN): Make the off_align field of
6667 the tree structure an exponent rather than an explicit alignment
6668 so it doesn't overflow.
6669 (SET_DECL_OFFSET_ALIGN): New macro.
6670 * stor-layout.c (place_union_field): Use SET_DECL_OFFSET_ALIGN
6671 rather than DECL_OFFSET_ALIGN.
6672 (place_field): Likewise.
6673 * expmed.c (store_bit_field): Abort on align==0 to avoid
6674 antisocial machine behaviour.
6676 2000-08-12 Richard Henderson <rth@cygnus.com>
6678 * sibcall.c (uses_addressof): Accept both addressof and
6679 current_function_internal_arg_pointer inside a mem.
6680 (optimize_sibling_and_tail_recursive_call): Fail tail recursion
6681 if current_function_uses_addressof.
6682 * stmt.c (expand_return): Kill tail recursion and HAVE_return
6685 2000-08-11 Richard Henderson <rth@cygnus.com>
6687 * config/ia64/ia64.md (addsi3): Remove expander.
6688 (subsi3, mulsi3, negsi2, one_cmplsi2): Likewise.
6689 (*addsi3_shladd): New.
6691 2000-08-11 Richard Henderson <rth@cygnus.com>
6693 * config/ia64/ia64.c (do_spill): Pass cfa offset to move expander.
6694 (do_restore): Likewise.
6695 (gen_movdi_x, gen_fr_spill_x, gen_fr_restore_x): New.
6696 (ia64_expand_prologue, ia64_expand_epilogue): Use them.
6697 (rtx_needs_barrier): Track actual bit manipulation for
6698 ar.unat moves, gr_spill, and gr_restore.
6699 (emit_insn_group_barriers): Special case gr_spill/gr_restore.
6700 (process_set): Don't handle varargs spills.
6701 * config/ia64/ia64.md (gr_spill): Accept cfa offset. Emit
6702 .mem.offset here instead of in process_set.
6703 (gr_restore): Likewise.
6705 2000-08-11 Richard Henderson <rth@cygnus.com>
6707 * config/ia64/ia64.h (PROMOTE_MODE): Only extend to SImode.
6709 2000-08-11 Mark Elbrecht <snowball3@bigfoot.com>
6711 * gcc.texi (The Configuration File): Document
6712 COLLECT2_HOST_INITIALIZATION, GCC_DRIVER_HOST_INITIALIZATION, and
6713 UPDATE_PATH_HOST_CANONICALIZATION.
6715 2000-08-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6717 * c-parse.in (cast_expr): Avoid -Wstrict-prototype warnings for
6718 unprototyped function pointer casts on integer constants.
6720 2000-08-11 Laurynas Biveinis <lauras@softhome.net>
6722 * fixproto: Recognize DOS paths with drive letters as absolute paths.
6724 2000-08-11 Nathan Sidwell <nathan@codesourcery.com>
6726 * extend.texi (Volatiles): Fix typos.
6728 2000-08-11 Kazu Hirata <kazu@hxi.com>
6730 * flow.c: Fix formatting.
6732 2000-08-11 Richard Henderson <rth@cygnus.com>
6734 * reload.c (push_secondary_reload): When invoking a reload_{in,out}
6735 pattern, always allocate a tertiary scratch register.
6737 * config/alpha/alpha.md (reload_inqi): Use a DImode scratch.
6738 (reload_inhi): Likewise.
6740 2000-08-11 Richard Henderson <rth@cygnus.com>
6742 * function.c (put_reg_into_stack): Allow type to be NULL.
6743 (schedule_fixup_var_refs): Likewise.
6744 (gen_mem_addressof): Allow decl to be NULL.
6745 (put_addressof_into_stack): Likewise.
6747 * flow.c (merge_blocks_nomove): Be more careful about
6748 locating the beginning of block A.
6750 * combine.c (simplify_shift_const): Obey SHIFT_COUNT_TRUNCATED.
6752 Thu Aug 10 22:47:09 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
6757 * config.in: Reverted the check for <sched.h>.
6759 2000-08-10 Chris Demetriou <cgd@sibyte.com>
6761 * mips/elf.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME): New
6762 macros define the name of CTOR and DTOR sections.
6763 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
6764 DTOR_LIST_END): Change to use attributes to specify
6766 * mips/elf64.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME,
6767 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
6768 DTOR_LIST_END): Same as in mips/elf.h.
6770 2000-08-10 Drew Moseley <dmoseley@redhat.com>
6772 * config/mn10300/mn10300.h: Added no-crt0 option for explicitly
6773 disabling just crt0.o.
6775 2000-08-10 Richard Earnshaw <rearnshaw@arm.com> & Nick Clifton <nickc@cygnus.com>
6777 * arm.h (CPP_SPEC): Use sub-spec cpp_interwork.
6778 (CPP_INTERWORK_SPEC, CPP_INTERWORK_DEFAULT_SPEC): New sub-specs.
6779 (EXTRA_SPECS): Add them.
6780 * arm/lib1funcs.asm: Support builds for interworking.
6781 Use macros to eliminate duplicated pieces of code.
6783 2000-08-10 Kazu Hirata <kazu@hxi.com>
6785 * h8300.c (expand_a_rotate): New.
6786 (emit_a_rotate): Likewise.
6787 (h8300_adjust_insn_length): Add support for the rotate insns.
6788 * h8300.md (rotlqi3): New.
6789 (*rotlqi3_1): Likewise.
6790 (rotlhi3): Likewise.
6791 (*rotlhi3_1): Likewise.
6792 (rotlhi3): Likewise.
6793 (*rotlhi3_1): Likewise.
6794 * h8300-proto.h: Add prototypes for expand_a_rotate and
6797 * h8300.c: Fix comment typos.
6798 (dosize): Declare the variable amount as unsigned.
6799 (get_shift_alg): Fix a comparison between signed and unsigned.
6800 (emit_a_shift): Likewise.
6801 (h8300_adjust_insn_length): Simplify the code.
6803 * c-decl.c: Fix formatting.
6805 2000-08-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6807 * c-lex.c (parse_float, yylex): For -Wtraditional, issue a
6808 warning about non-traditional numeric constant suffixes.
6810 * cppexp.c (parse_number): Likewise.
6812 * invoke.texi: (-Wtraditional): Document new behavior.
6814 Thu Aug 10 00:11:04 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
6816 * gthr-posix.h: Include auto-host.h. Conditionally include
6818 * configure.in: Check for the <sched.h> header file.
6819 * config.in: Added define for HAVE_SCHED_H.
6821 2000-08-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6823 * c-typeck.c (process_init_element): For -Wtraditional, warn about
6824 initialization of unions.
6826 * invoke.texi (-Wtraditional): Document new behavior.
6828 2000-08-09 Zack Weinberg <zack@wolery.cumb.org>
6830 * configure.in (--enable-c-cpplib): Uncomment. Use AC_DEFINE
6831 instead of extra_c_flags.
6832 (--enable-c-mbchar): Use AC_DEFINE instead of extra_c_flags.
6833 * configure: Regenerate.
6834 * config.in: Regenerate.
6836 * cpperror.c (cpp_type2name): New function.
6837 * cpplex.c (lex_line): If we issued an error for an invalid
6838 preprocessing directive, discard that logical line.
6839 * cpplib.c (do_line): Call a hook function if the current file
6840 is renamed by #line.
6841 (do_ident): Pass the contents of the string, not the entire
6842 token, to the callback function.
6843 * cpplib.h (CPP_LAST_PUNCTUATOR): New #define.
6844 (cb.rename_file): New hook function.
6845 (cb.ident): Adjust prototype.
6846 (cpp_type2name): Prototype.
6847 * cppmacro.c (dump_macro_args): Correct precedence lossage.
6849 * cppmain.c (cb_ident): Update for changed interface.
6850 (cb_rename_file): New function.
6851 (main): Set rename callback.
6853 2000-08-09 Alexandre Oliva <aoliva@redhat.com>
6855 * caller-save.c (mark_referenced_regs): Mark partially-overwritten
6856 multi-word registers.
6858 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
6860 * c-common.c (combine_strings, check_format_info): Refer to ISO C
6861 or ISO C89 instead of ANSI C.
6862 * c-decl.c (grokdeclarator, xref_tag, finish_struct,
6863 build_enumerator, do_case): Likewise.
6864 * c-lex.c (parse_float, yylex): Likewise.
6865 * c-parse.in: Likewise.
6866 * c-typeck.c (common_type, build_array_ref, build_binary_op,
6867 build_unary_op, pedantic_lvalue_warning, build_conditional_expr,
6868 build_c_cast, convert_for_assignment, set_init_index,
6869 set_init_label, c_expand_start_case): Likewise.
6870 * toplev.c (documented_lang_options, display_help): Likewise.
6872 2000-08-08 Kazu Hirata <kazu@hxi.com>
6874 * h8300.c: Fix formatting.
6875 * h8300.h: Likewise.
6876 * h8300.md: Likewise.
6877 (movsi_h8300hs): Fix formatting of the resulting assembly code.
6879 * reload1.c: Fix formatting.
6881 2000-08-08 Rodney Brown <RodneyBrown@mynd.com>
6883 * alpha/alpha.c (alpha_emit_xfloating_libcall):
6884 Use GEN_CALL_VALUE define.
6885 * alpha/alpha.md (untyped_call): Use GEN_CALL define.
6886 * clipper/clipper.md (untyped_call): Likewise.
6887 * dsp16xx/dsp16xx.md (untyped_call): Likewise.
6888 * fx80/fx80.md (untyped_call): Likewise.
6889 * mips/mips.md (untyped_call): Likewise.
6890 * ns32k/ns32k.md (untyped_call): Likewise.
6891 * pa/pa.md (untyped_call): Likewise.
6892 * romp/romp.md (untyped_call): Likewise.
6893 * sparc/sparc.md (untyped_call): Likewise.
6895 2000-08-08 Jason Eckhardt <jle@cygnus.com>
6897 * config/i860/i860.c (singlemove_string): Do not generate assembler
6898 pseudo instructions that must be expanded (that is, with signed
6899 constants larger than 16 bits).
6901 2000-08-08 Richard Henderson <rth@cygnus.com>
6903 * flow.c (life_analysis): Only turn off PROP_LOG_LINKS and
6904 PROP_AUTOINC at -O0. Don't collect alias info at -O0.
6905 (init_propagate_block_info): Don't kill memory stores at -O0.
6906 (mark_set_1, mark_used_regs): Likewise.
6908 2000-08-08 David Edelsohn <edelsohn@gnu.org>
6910 * rs6000.c (optimization_options): Decorate 'level' as
6912 (mask64_operand): Remove sign-extend thinko.
6913 (rldic_operand): New function.
6914 (load_multiple_operation): regno's are unsigned ints.
6915 (store_multiple_operation): Likewise.
6916 (lmw_operation): Likewise.
6917 (stmw_operation): Likewise.
6918 (includes_lshift_p): shift_mask is unsigned int.
6919 (includes_lshift64_p): New function.
6920 (addrs_ok_for_quad_peep): unsigned int reg1.
6921 (print_operand): Consistently add "else" after
6922 output_operand_lossage().
6923 (print_operand, case 'b'): Fold in case 'W'.
6924 (print_operand, case 'W'): Print rldic MB value.
6925 (output_epilogue): Update Objective-C language string.
6926 (output_toc): unsigned HOST_WIDE_INT low, compare unsigned.
6927 * rs6000.h (PREDICATE_CODES): Add rldic_operand.
6928 * rs6000.md (ashldi3): Add rldic instruction.
6929 (iordi3, xordi3): Remove redundant "else if CONST_DOUBLE".
6930 (cmpsi_internal2, cmpdi_interal2): Use 'b' output template
6933 2000-08-08 Richard Henderson <rth@cygnus.com>
6935 * config/ia64/ia64-protos.h: Remove duplicates. Update
6936 for massive code rearrangements.
6937 * config/ia64/ia64.c (ia64_arpfs_regno): Remove.
6938 (ia64_rp_regno, ia64_fp_regno, ia64_input_regs): Remove.
6939 (ia64_local_regs, ia64_need_regstk): Remove.
6940 (ar_ccv_reg_operand): New.
6941 (ia64_gp_save_reg): New.
6942 (struct ia64_frame_info): Combine most of the size elements;
6943 add new gr save elements.
6944 (find_gr_spill): New.
6945 (next_scratch_gr_reg): New.
6946 (mark_reg_gr_used_mask): New.
6947 (ia64_compute_frame_size): Rewrite. Allocate special AR regs
6948 to GR backing store regs when possible.
6949 (ia64_initial_elimination_offset): New.
6950 (ia64_rap_fp_offset): Remove.
6951 (save_restore_insns): Remove.
6952 (setup_spill_pointers): New.
6953 (finish_spill_pointers): New.
6954 (spill_restore_mem): New.
6955 (do_spill, do_restore): New.
6956 (ia64_expand_prologue): Rewrite to use them.
6957 (ia64_expand_epilogue): Likewise.
6958 (ia64_direct_return): Update for current_frame_info changes.
6959 (ia64_function_prologue): Simplify .prologue emission. Emit
6961 (ia64_setup_incoming_varargs): Don't ever emit rtl.
6962 (ia64_dbx_register_number): New.
6963 (ia64_initialize_trampoline): New.
6964 (ia64_secondary_reload_class): Request GR_REGS for integer
6965 arithmetic destined for FR_REGS.
6966 (ia64_init_machine_status): Don't reset return_address_pointer_rtx.
6967 (ia64_mark_machine_status): Mark ia64_gp_save.
6968 (rws_access_regno): Rename from rws_access_reg; don't treat
6969 predicates specially.
6970 (rws_access_reg): New. Update all callers.
6971 (rtx_needs_barrier): Remove dead unspecs.
6972 (ia64_epilogue_uses): Mark ar.pfs and ar.unat live on exit.
6973 (ia64_encode_section_info): Silence signed/unsigned warnings.
6974 (spill_offset, sp_offset, spill_offset_emitted): Remove.
6975 (tmp_reg, tmp_saved): Remove.
6976 (process_set): Rewrite to expect complicated bits via
6977 REG_FRAME_RELATED_EXPR.
6978 (ia64_expand_fetch_and_op): Use emit_move_insn; be explicit
6979 in the use of ar.ccv; never set RTX_UNCHANGING_P.
6980 (ia64_expand_op_and_fetch): Likewise.
6981 (ia64_expand_compare_and_swap): Likewise.
6982 (ia64_expand_builtin): Likewise.
6983 * config/ia64/ia64.h (AR_UNAT_REGNUM): New.
6984 (FIRST_PSEUDO_REGISTER): Update.
6985 (AR_M_REGNO_P): Update.
6986 (FIXED_REGS): Don't mark three local registers as used.
6987 (EXTRA_CC_MODES): New.
6988 (SELECT_CC_MODE): New.
6989 (HARD_REGNO_NREGS): Allow DImode in p0; handle CCImode.
6990 (HARD_REGNO_MODE_OK): Disallow CCImode from non-predicates.
6991 (FRAME_GROWS_DOWNWARD): Unset.
6992 (STARTING_FRAME_OFFSET): Zero.
6993 (ELIMINABLE_REGS): Eliminate from the soft to hard frame pointer.
6994 (INITIAL_ELIMINATION_OFFSET): Defer to out of line function.
6995 (HARD_FRAME_POINTER_REGNUM): New.
6996 (CAN_DEBUG_WITHOUT_FP): Define.
6997 (TRAMPOLINE_TEMPLATE): Remove.
6998 (TRAMPOLINE_SIZE): Lower to 32.
6999 (TRAMPOLINE_ALIGNMENT): Lower to 64.
7000 (INITIALIZE_TRAMPOLINE): Defer to out of line function.
7001 (PREDICATE_CODES): Update.
7002 (struct machine_function): Add ia64_gp_save.
7003 * config/ia64/ia64.md: Purge unused unspecs.
7004 (movsi patterns): Allow moves to/from AR_M_REGS.
7005 (movdi patterns): Allow moves to/from p0.
7006 (call patterns): Move most setjmp hackery to ia64_gp_save_reg.
7007 (gr_spill, gr_restore): Indicate ar.unat read/written.
7008 (nonlocal_goto): Don't pass old frame_pointer.
7009 (nonlocal_goto_receiver): Remove.
7010 (exception_receiver): New.
7011 (builtin_setjmp_setup): New.
7012 (builtin_setjmp_receiver): New.
7013 * config/ia64/lib1funcs.asm (__ia64_save_stack_nonlocal): Bundle.
7014 (__ia64_nonlocal_goto): Bundle. Don't kill r7.
7015 (__ia64_restore_stack_nonlocal): Likewise.
7016 (__ia64_trampoline): New.
7017 * config/ia64/sysv4.h (DBX_REGISTER_NUMBER): Defer to out of line
7019 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __trampoline.
7021 2000-08-08 Richard Henderson <rth@cygnus.com>
7023 * frame.h (ia64_frame_state): Add my_psp.
7024 * libgcc2.c (ia64_throw_helper): Add throw_sp argument.
7025 (__throw): Pass it in. Don't clobber r7.
7026 * config/ia64/frame-ia64.c (init_ia64_reg_loc): Mark inline.
7027 (execute_one_ia64_descriptor) [mem_stack_v]: Sets psp.when
7028 and nothing to do with sp.
7029 (normalize_reg_loc): Use frame->my_psp.
7030 (frame_translate): Handle frame-pointer-less functions. Set
7031 spill_base correctly, in absence of being told.
7032 (__build_ia64_frame_state): New sp argument. Fill in frame->my_sp.
7033 (__ia64_backtrace_helper): New sp argument. Use
7034 builtin_return_address instead of label addresses.
7035 (print_record) [mem_stack_v]: No size member.
7037 2000-08-08 Richard Henderson <rth@cygnus.com>
7039 * regclass.c (choose_hard_reg_mode): Iterate over all CC modes.
7041 2000-08-08 Richard Henderson <rth@cygnus.com>
7043 * tm.texi (LOCAL_REGNO): Document.
7044 * flow.c (LOCAL_REGNO, EPILOGUE_USES): Provide default.
7045 (mark_regs_live_at_end): Don't mark LOCAL_REGNO registers.
7046 * reload1.c (reload): Likewise when considering nonlocal labels.
7048 * config/ia64/ia64.h (LOCAL_REGNO): New.
7049 * config/sparc/sparc.h (LOCAL_REGNO): New.
7051 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
7053 * c-lex.c (yylex): Don't allow integer suffixes 'LUL', 'Ll', 'lL'.
7055 2000-08-07 Nick Clifton <nickc@redhat.com>
7057 * config/mips/mips.c: Fix compile time warning messages.
7058 * config/mips/mips-protos.h: Add prototype for equality_op.
7060 * mn10300.h (TARGET_SWITCHES): Document `-mam33'.
7062 2000-08-07 Graham Stott <grahams@cygnus.co.uk>
7064 * mn10300.md: Use nonimmediate_operand instead of general_operand
7067 * mn10300.h (PREFERRED_RELOAD_CLASS): Limit memory reloads.
7069 2000-08-07 Alexandre Oliva <aoliva@redhat.com>
7071 * sh.h (EXTRA_CONSTRAINT_Q): Adjust to GNU Coding Standards.
7072 * sh.c (expand_block_move): Break long lines.
7073 (expand_ashiftrt, fpscr_set_from_mem): Likewise.
7074 * sh.md (mulsi3): Likewise.
7075 (movdi): Adjust spacing.
7077 2000-08-07 Richard Henderson <rth@cygnus.com>
7079 * expmed.c (store_bit_field): Don't require MEM_IN_STRUCT_P.
7080 * expr.c (emit_group_store): Don't set it.
7082 2000-08-07 Kazu Hirata <kazu@hxi.com>
7084 * invoke.texi (Options for Debugging Your Program or GCC): Remove
7085 duplicate entries for 'w' and 'z'.
7087 * flow.c: Fix a comment typo.
7089 Sun Aug 6 23:47:35 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
7091 * c-parse.in: Changed the language string for Objective-C to "GNU
7094 Sun Aug 6 11:54:03 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
7096 * gthr-posix.h: Integrated Chris Ball's <cball@fmco.com> changes
7097 to improve the Posix thread support for Objective-C.
7099 2000-08-06 Joseph S. Myers <jsm28@cam.ac.uk>
7101 * c-common.h (enum c_tree_index): Add CTI_SIGNED_SIZE_TYPE and
7102 CTI_UNSIGNED_PTRDIFF_TYPE.
7103 (signed_size_type_node): Define.
7104 (unsigned_ptrdiff_type_node): Define.
7105 * c-decl.c (init_decl_processing): Create the
7106 signed_size_type_node and unsigned_ptrdiff_type_node types.
7107 * c-common.c (T_SC): Define.
7110 (print_char_table): Use T_SST for %zd, %zi, %zn. Use T_UPD for
7111 %to, %tu, %tx, %tX. Allow %hhn (T_SC). Add "c" to the flags for
7113 (scan_char_table): Use T_SC for %hhd, %hhi, %hhn. Use T_SST for
7114 %zd, %zi, %zn. Use T_UPD for %to, %tu, %tx, %tX. Add "c" to the
7115 flags for %c, %s and %[.
7116 (check_format_info): Only allow leniency for signedness of targets
7117 of character pointers (when pedantic) for formats flagged with
7118 "c", so for strings but not for %hh formats. When pedantic, don't
7119 allow character pointers to substitute for void pointers if a
7120 second level of indirection is present.
7122 2000-08-06 Kazu Hirata <kazu@hxi.com>
7124 * invoke.texi (Options for Debugging Your Program or GCC): Update
7125 the names of dump files.
7127 * h8300.c (dosize): Rearrange code for conciseness.
7128 (split_adds_subs): Likewise.
7130 * loop.c: Fix formatting.
7132 * dwarf2out.c: Fix formatting.
7134 * tm.texi (FUNCTION_ARG_PARTIAL_NREGS): Fix a typo.
7136 * expr.c: Fix formatting.
7138 2000-08-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7140 * rs6000.c (rs6000_maybe_dead): Prototype.
7142 2000-08-06 Richard Henderson <rth@cygnus.com>
7144 * stmt.c (expand_goto): Do virtual_stack_vars_rtx replacement for
7145 HAVE_nonlocal_goto as well.
7146 * config/i960/i960.md (nonlocal_goto): Don't do it here.
7147 * config/pj/pj.md (nonlocal_goto): Likewise.
7149 2000-08-07 Michael Hayes <mhayes@cygnus.com>
7151 * loop.c (try_swap_copy_prop): New function.
7152 (load_mems): Rename copies to load_copies and add new regset
7153 store_copies. Check for sets of shadow registers and mark
7154 in store_copies. Call try_swap_copy_prop for registers
7155 marked in store_copies.
7157 Sun Aug 6 00:54:42 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
7159 * objc/objc-act.c: New command line option -fconstant-string-class
7160 to allow specifying a user defined constant string class,
7161 different from NXConstantString.
7163 * toplev.c: Moved the Objective-C specific options to
7164 objc/lang-options.h.
7166 * objc/lang-options.h: Moved the Objective-C specific options from
7167 toplev.c. Added -fconstant-string-class.
7169 2000-08-05 Chris Demetriou <cgd@sibyte.com>
7171 * mips/elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
7172 DTOR_LIST_BEGIN, DTOR_LIST_END): change type of
7173 __CTOR_LIST__ from func_ptr array to just func_ptr, to
7174 avoid extra alignment imposed on arrays.
7175 * mips/elf64.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
7176 DTOR_LIST_BEGIN, DTOR_LIST_END): Likewise.
7178 * mips.h: Clean up comments and spacing near MASKs.
7179 (TARGET_UNIX_ASM): Delete.
7180 (MASK_MIPS16, MASK_NO_CHECK_ZERO_DIV, MASK_CHECK_RANGE_DIV,
7181 MASK_UNINIT_CONST_IN_RODATA): Change values to make mask
7184 2000-08-05 Joseph S. Myers <jsm28@cam.ac.uk>
7186 * c-common.c (print_char_table): Add entries for the X/Open '
7187 format flag (print decimals with locale's thousands grouping
7188 character). Make %C expect wint_t.
7189 (check_format_info): If pedantic, warn when the %n$ operand
7190 number form is used. Allow for the ' flag; warn about it if
7193 2000-08-05 Zack Weinberg <zack@wolery.cumb.org>
7195 * i386.h (FUNCTION_OK_FOR_SIBCALL): Not OK if DECL's return
7196 type is a float mode, cfun->decl's return type is not, and
7197 TARGET_FLOAT_RETURNS_IN_80387.
7199 2000-08-04 Andreas Schwab <schwab@suse.de>
7201 * cppmain.c (cb_def_pragma): Skip the first two tokens from the
7202 token list, which are always `#' and `pragma'.
7204 2000-08-04 Zack Weinberg <zack@wolery.cumb.org>
7206 * tree.c (tree_expr_nonnegative_p): Move to...
7207 * fold-const.c: ... here. Also handle BIND_EXPR and RTL_EXPR.
7208 (rtl_expr_nonnegative_p): New.
7209 * tree.h: Add prototype for rtl_expr_nonnegative_p.
7211 * real.h (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH, CONST_DOUBLE_MEM,
7212 CONST_DOUBLE_CHAIN: Move to...
7213 * rtl.h: ...here. Use XCINT/XCEXP.
7215 * Makefile.in: Remove toplev.o from OBJS. Add rule to make
7216 libbackend.a; add libbackend.a to STAGESTUFF. Add BACKEND
7217 variable. Use BACKEND when linking cc1, not OBJS. Add BACKEND
7220 * objc/Make-lang.in (cc1obj): Link with $(BACKEND).
7222 2000-08-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7224 * config/c4x/c4x.md (return_indirect_internal): New.
7225 * config/c4x/c4x.c (c4x_expand_epilogue): Use it.
7227 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
7229 * c-common.c (time_char_table): Mark up formats added in C99 and
7230 make other corrections. %D and %g were added in C99. %Og is an
7231 extension. %EX is permitted. %R, %T, %n, %r, %t were added in
7232 C99. %e was added in C99. %Oj is an extension. %G and %z are in
7233 C99 rather than GNU extensions, but %OG and %Oz are extensions.
7234 %h was added in C99. %C was added in C99. %OY and %OC are
7235 extensions. Add the C99 format %F.
7236 (check_format_info): If pedantic and not in C99 mode, warn for C99
7239 Fri Aug 4 23:01:58 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7241 * function.c (schedule_fixup_var_refs): New function, broken out
7242 of put_reg_into_stack.
7243 (put_reg_into_stack): Use it.
7244 (put_var_into_stack): In CONCAT case, fixup up references for
7245 components only after fixing up references to the whole concat.
7247 2000-08-04 Rodney Brown <RodneyBrown@pmsc.com>
7249 * alias.c (mark_constant_function): Use INSN_P.
7250 (init_alias_analysis): Likewise.
7251 * combine.c (combine_instructions): Use INSN_P.
7252 (can_combine_p): Likewise.
7253 (try_combine): Likewise.
7254 (distribute_notes): Likewise.
7255 (distribute_links): Likewise.
7256 * cse.c (cse_around_loop): Use INSN_P.
7257 (invalidate_skipped_block): Likewise.
7258 (cse_set_around_loop): Likewise.
7259 (cse_end_of_basic_block): Likewise.
7260 (delete_trivially_dead_insns): Likewise.
7261 * emit-rtl.c (unshare_all_rtl_again): Use INSN_P.
7262 (unshare_all_rtl_1): Likewise.
7263 (next_cc0_user): Likewise.
7264 (try_split make_insn_raw): Likewise.
7265 (remove_unnecessary_notes): Likewise.
7266 * final.c (shorten_branches): Use INSN_P.
7267 (leaf_renumber_regs): Likewise.
7268 (leaf_renumber_regs_insn): Likewise.
7269 * flow.c (find_label_refs): Use INSN_P.
7270 (verify_wide_reg): Likewise.
7271 (notice_stack_pointer_modification): Likewise.
7272 (count_or_remove_death_notes): Likewise.
7273 (verify_flow_info): Likewise.
7274 (clear_log_links): Likewise.
7275 * function.c (fixup_var_refs_insns): Use INSN_P.
7276 (compute_insns_for_mem): Likewise.
7277 * gcse.c (alloc_gcse_mem): Use INSN_P.
7278 (compute_sets): Likewise.
7279 (compute_hash_table): Likewise.
7280 (classic_gcse): Likewise.
7282 (insert_insn_end_bb): Likewise.
7283 (delete_null_pointer_checks_1): Likewise.
7284 * global.c (expand_preferences): Use INSN_P.
7285 (build_insn_chain): Likewise.
7286 * graph.c (node_data): Use INSN_P.
7287 * haifa-sched.c (priority): Use INSN_P.
7288 (rm_line_notes): Likewise.
7289 (rm_other_notes): Likewise.
7290 (find_insn_reg_weight): Likewise.
7291 (init_target_units): Likewise.
7292 (schedule_block): Likewise.
7293 (compute_block_forward_dependences): Likewise.
7294 (debug_dependencies): Likewise.
7295 (set_priorities): Likewise.
7296 * integrate.c (function_cannot_inline_p): Use INSN_P.
7297 (save_parm_insns): Likewise.
7298 (copy_insn_list): Likewise.
7299 * jump.c (mark_all_labels): Use INSN_P.
7300 (never_reached_warning): Likewise.
7301 * lcm.c (optimize_mode_switching): Use INSN_P.
7302 * local-alloc.c (validate_equiv_mem): Use INSN_P.
7303 (memref_used_between_p): Likewise.
7304 (update_equiv_regs): Likewise.
7305 (block_alloc): Likewise.
7306 (no_conflict_p): Likewise.
7307 * loop.c (scan_loop): Use INSN_P.
7308 (find_and_verify_loops): Likewise.
7309 (count_loop_regs_set): Likewise.
7310 (loop_reg_used_before_p): Likewise.
7311 (strength_reduce): Likewise.
7312 (recombine_givs): Likewise.
7313 (check_dbra_loop): Likewise.
7314 (load_mems): Likewise.
7315 (try_copy_prop): Likewise.
7316 * print-rtl.c (print_rtx): Use INSN_P.
7317 * recog.c (find_single_use): Use INSN_P.
7318 * reg-stack.c (stack_regs_mentioned): Use INSN_P.
7319 (next_flags_user): Likewise.
7320 (swap_rtx_condition): Likewise.
7321 * regmove.c (mark_flags_life_zones): Use INSN_P.
7322 (optimize_reg_copy_1): Likewise.
7323 (optimize_reg_copy_2): Likewise.
7324 (optimize_reg_copy_3): Likewise.
7325 (reg_is_remote_constant_p): Likewise.
7326 (fixup_match_2): Likewise.
7327 (regmove_optimize): Likewise.
7328 (fixup_match_1): Likewise.
7329 * regrename.c (build_def_use): Use INSN_P.
7330 (replace_reg_in_block): Likewise.
7331 (consider_use): Likewise.
7332 * reload.c (find_equiv_reg): Use INSN_P.
7333 * reload1.c (reload): Use INSN_P.
7334 (maybe_fix_stack_asms): Likewise.
7335 (calculate_needs_all_insns): Likewise.
7336 (reload_as_needed): Likewise.
7337 (emit_output_reload_insns): Likewise.
7338 (delete_address_reloads_1): Likewise.
7339 (reload_cse_regs_1): Likewise.
7340 (reload_combine): Likewise.
7341 (reload_cse_move2add): Likewise.
7342 * reorg.c (redundant_insn): Use INSN_P.
7343 (dbr_schedule): Likewise.
7344 * resource.c (find_dead_or_set_registers): Use INSN_P.
7345 (mark_target_live_regs): Likewise.
7346 * rtlanal.c (reg_used_between_p): Use INSN_P.
7347 (reg_referenced_between_p): Likewise.
7348 (reg_set_between_p): Likewise.
7349 (reg_set_p): Likewise.
7350 (single_set): Likewise.
7351 (multiple_sets): Likewise.
7352 (find_last_value): Likewise.
7353 (reg_set_last): Likewise.
7354 (find_reg_note): Likewise.
7355 (find_regno_note): Likewise.
7356 * sibcall.c (sequence_uses_addressof): Use INSN_P.
7357 * simplify-rtx.c (cselib_process_insn): Use INSN_P.
7358 * ssa.c (find_evaluations): Use INSN_P.
7359 (rename_block): Likewise.
7360 (rename_equivalent_regs): Likewise.
7361 * unroll.c (loop_find_equiv_value): Use INSN_P.
7362 (set_dominates_use): Likewise.
7363 * varasm.c (mark_constant_pool): Use INSN_P.
7364 (mark_constants): Likewise.
7365 * config/alpha/alpha.c (alpha_does_function_need_gp): Use INSN_P.
7366 (alphaev4_next_group): Likewise.
7367 (alphaev5_next_group): Likewise.
7368 * config/c4x/c4x.c (c4x_process_after_reload): Use INSN_P.
7369 (c4x_rptb_rpts_p): Likewise.
7370 * config/mips/mips.c (mips16_optimize_gp): Use INSN_P.
7371 * config/rs6000/rs6000.c (uses_TOC): Use INSN_P.
7372 (rs6000_adjust_priority): Likewise.
7373 * config/sh/sh.c (sh_loop_align): Use INSN_P.
7374 (machine_dependent_reorg): Likewise.
7375 (split_branches): Likewise.
7376 * config/tahoe/tahoe.c (tahoe_cmp_check): Use INSN_P.
7378 Fri Aug 4 11:43:49 2000 John Wehle (john@feith.com)
7380 * combine.c (recog_for_combine): Remove the old notes
7381 prior to attempting to recognize the new pattern.
7382 (distribute_notes): Ignore REG_NONNEG notes.
7384 2000-08-04 Chandrakala Chavva <cchavva@redhat.com>
7386 * varasm.c (output_constructor): Add .align 0 for packed vars.
7388 2000-08-04 J. David Anglin <dave@hiauly1.hia.nrc.ca>
7390 * configure.in: Use default thread_file even when enable_threads is
7391 yes or dce because hpux10.20 pa port uses MULTILIB implementation.
7392 * configure: Rebuilt.
7394 * gthr-dce.h (__gthread_objc_condition_allocate): Fix typo.
7396 2000-08-04 Donn Terry (donnte@microsoft.com)
7398 * prefix.c (translate_name): Don't strip trailing DIR_SEPARATOR.
7400 2000-08-04 Mark Elbrecht <snowball3@bigfoot.com>
7402 * i386/x-djgpp: Delete code that conditionally modifies target_alias.
7403 Delete code that conditionally modifies 'version'.
7404 Delete X_CPPFLAGS. Add comment for SYSTEM_HEADER_DIR.
7405 * i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): New macro.
7406 * gcc.c (main): Use it.
7407 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): New macro.
7408 * prefix.c (update_path): Use it.
7409 * i386/djgpp.h (STANDARD_INCLUDE_DIR): Define.
7410 (MD_EXEC_PREFIX): Set to '/dev/env/DJDIR/bin/'.
7411 (ASM_OUTPUT_SECTION_NAME): Add code attribute to sections containing
7413 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Default to true.
7414 (SUBTARGET_SWITCHES): Adjust.
7415 (WCHAR_UNSIGNED, WCHAR_TYPE_SIZE, WCHAR_TYPE): Undefine before
7417 (WINT_TYPE, SIZE_TYPE, PTRDIFF_TYPE): Define.
7419 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
7421 * c-common.h (flag_isoc94): Declare.
7422 * c-decl.c (flag_isoc94): Define.
7423 (c_decode_option): Set flag_isoc94 as appropriate.
7424 * c-common.c (T_PD, T_IM, T_UIM): Define.
7425 (format_char_info): Add tlen and jlen.
7426 (print_char_table): Add entries for %t and %j. Allow %zn. Allow
7428 (scan_char_table): Add entries for %t and %j. Allow %F. Allow
7430 (time_char_table): Add NULL entries for %t and %j.
7431 (check_format_info): Allow for %t and %j. Warn for %F if pedantic
7432 and not C99. Warn for %lc, %ls and %l[ if pedantic and not C94.
7433 Warn for printf %lf if pedantic and not C99. Don't warn for empty
7434 precision. Allow precision argument to be unsigned int. If
7435 pedantic, warn for %p passed an argument not a pointer to possibly
7436 qualified void or a possibly qualified character type, and for
7437 pointer targets of the wrong sign, except for character pointers.
7439 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
7441 * ginclude/stddef.h: Don't declare wint_t unless __need_wint_t.
7442 * c-common.h (enum c_tree_index): Add CTI_WINT_TYPE.
7443 (wint_type_node): Define.
7444 * c-decl.c (WINT_TYPE): Define.
7445 (init_decl_processing): Create the wint_type_node type.
7446 * c-common.c (T_WI): Define.
7447 (print_char_table): Use T_WI for %lc format.
7449 2000-08-04 Bruce Korb <bkorb@gnu.org>
7451 * fixinc/: Verified that the MSDOS patch does not break
7452 the UNIX functionality and applied the next three patches
7455 2000-07-28 Eli Zaretskii <eliz@is.elta.co.il>
7457 * fixinc/fixfixes.c (main) [__MSDOS__]: Avoid overwriting the
7458 output file with the temporary one by appending ".X" to generate
7459 the temporary fuile's name. If the output file already has an
7460 extension, replace it with ".X".
7462 * fixinc/fixincl.c (fix_with_system) [__MSDOS__]: Use $ORIGDIR,
7463 not $DESTDIR, to find applyfix. Use sprintf instead of snprintf;
7464 reallocate the command buffer while copying the command-line
7465 argument. Redirect the output directly to the temporary file,
7466 instead of going through another temporary file.
7467 (process): Close the temporary file before unlinking it.
7468 (machine_matches) [__MSDOS__]: If the machine doesn't match, set
7469 the FD_SKIP_TEST flag. Pay attention to the FD_MACH_IFNOT flag.
7470 (run_compiles): Pass p_fixd argument to machine_matches, as it
7473 * fixinc/fixincl.sh: Export ORIGDIR. If $DJDIR is set in the
7474 environment, assume there are no symlinks in the include
7475 directory. When cleaning up the DONE files, look for them
7476 case-insensitively. Don't try to remove symlinks if they aren't
7479 * fixinc/fixlib.c (make_raw_shell_str): Accept new argument smax;
7480 all callers changed. Declare pz "const char *", to avoid compiler
7483 * fixinc/fixlib.h (ENV_TABLE): Get ORIGDIR from the environment.
7484 Change prototype of make_raw_shell_str.
7486 2000-07-27 Eli Zaretskii <eliz@is.elta.co.il>
7488 * fixinc/fixincl.c [__MSDOS__]: Don't include "server.h".
7489 (initialize) [__MSDOS__]: Use tempnam.
7490 (initialize): Don't use SIGPIPE if it is not defined.
7492 * fixinc/fixfixes.c (main) [__MSDOS__]: freopen for stdout should
7495 2000-07-25 Bruce Korb <bkorb@gnu.org>
7497 * fixinc/fix*.[ch]: substantially reworked to make it possible
7498 to run this program without using fork(2) or pipe(2) (i.e. in
7501 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
7503 * cppdefault.h (WINT_TYPE): Define.
7504 * cppinit.c (builtin_array): Define __WINT_TYPE__.
7505 * tradcpp.c (initialize_builtins): Define __WINT_TYPE__.
7506 * tm.texi (NO_BUILTIN_WINT_TYPE, WINT_TYPE): Document.
7508 Fri Aug 4 06:53:46 2000 Clinton Popetz <cpopetz@cygnus.com>
7510 * (mips_legitimate_address_p): Don't allow register+offset
7511 if the offset is large and negative, and we are compiling
7512 for 64 bit registers.
7514 2000-08-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7516 * gencodes.c (main): Define CODE_FOR_nothing as the last possible
7517 insn_code_number + 1.
7519 2000-08-04 Kazu Hirata <kazu@hxi.com>
7521 * h8300.c (function_prologue): Rearrange code for conciseness.
7522 (function_epilogue): Likewise.
7523 * h8300.h (OK_FOR_U): Fix formatting.
7525 * cse.c: Fix a comment typo. Fix formatting.
7527 2000-08-03 Richard Henderson <rth@cygnus.com>
7529 * config/i386/i386.md (return_indirect_internal): New.
7530 * config/i386/i386.c (ix86_expand_epilogue): Use it.
7532 2000-08-03 Zack Weinberg <zack@wolery.cumb.org>
7534 * cpplex.c (parse_name): Might have to glue a CPP_OTHER token
7536 (lex_line): Glue @ onto the beginning of identifiers and
7537 string constants, in Objective-C mode.
7538 (output_token, spell_token): Handle CPP_OSTRING.
7539 (can_paste, maybe_paste_with_next): Handle pasting @ onto the
7540 beginning of a NAME or a STRING, in objc mode.
7542 * cpplib.c (get_define_node): Do not permit identifiers that
7543 begin with @ to be #defined.
7544 * cppmacro.c (CAN_PASTE_AFTER): Add CPP_OTHER.
7545 * cpplib.h (TTYPE_TABLE): Add CPP_OSTRING.
7547 * c-lang.c, objc/objc-act.c (build_objc_string): Delete.
7548 * c-tree.h (build_objc_string): Delete prototype.
7549 * objc/objc-tree.def: Delete OBJC_STRING_CST.
7550 * c-lex.c (yylex): Use build_string for all three kinds of strings.
7552 * c-parse.in, objc/objc-act.c: Update commentary.
7554 2000-08-03 Mark Mitchell <mark@codesourcery.com>
7556 * extend.texi: Fix typo in last change.
7558 * extend.texi: Add commentary on statement-expressions and their
7559 interactions with C++.
7561 2000-08-03 Nick Clifton <nickc@cygnus.com>
7563 * dwarf2.h (DW_LANG_Java): Change value to 0x000b.
7564 * dwarf.h (LANG_JAVA): Change value to 0x000b.
7566 2000-08-03 Anthony Green <green@cygnus.com>
7568 * dwarf2out.c (gen_compile_unit_die): Add java language support.
7569 (add_bound_info): Check for java language.
7570 (is_java): New function.
7571 * dwarfout.c (output_compile_unit_die): Ditto.
7572 * dwarf.h (dwarf_source_language): Add java source language type.
7573 * dwarf2.h (dwarf_source_language): Ditto.
7575 Thu Aug 3 20:32:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
7577 * reg-stack.c (subst_stack_regs_pat): Use replace_reg to swap
7580 * i386.c (ix86_expand_branch): Mode of comparison in
7581 IF_THEN_ELSE is VOIDmode.
7583 Thu Aug 3 10:05:53 2000 Akiko Matsushita <matusita@sra.co.jp>
7585 * gengenrtl.c, rtl.c: Avoid #elif.
7587 2000-08-03 Michael Poole <poole@troilus.org>
7589 * tm.texi (Register Classes): Clarify order of sub-initializers
7590 in REG_CLASS_CONTENTS.
7592 Thu Aug 3 15:53:03 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7594 From SAITOH Masanobu:
7595 * sh.h (ASM_OUTPUT_REG_PUSH): Fix syntax.
7597 2000-08-03 David Billinghurst <David.Billinghurst@riotinto.com.au>
7599 * config/i386/cygwin.h: Remove -remap from CPP_SPEC since this option
7600 is not supported by tradcpp and isn't actually needed for cygwin.
7602 2000-08-03 Kazu Hirata <kazu@hxi.com>
7604 * h8300.c: Fix a comment typo.
7605 * h8300.h (OK_FOR_U): Accept a 32-bit constant address on H8/S.
7607 * jump.c: Fix formatting.
7609 * toplev.c: Fix formatting.
7611 Thu Aug 3 01:05:32 2000 Jeffrey A Law (law@cygnus.com)
7613 * flow.c (find_auto_inc): Verify that we've got a REG before
7614 peeking at its regno. Fail, don't abort if we can't find
7615 the increment of the desired register.
7617 * pa.md (shadd height reduction patterns/splitters): Remove.
7619 2000-08-02 Jim Wilson <wilson@cygnus.com>
7621 * config/ia64/ia64-protos.h (flag_ssa): Declare.
7622 * config/ia64/ia64.md (movti_internal, movti_internal+1): New.
7624 2000-08-02 Mark Mitchell <mark@codesourcery.com>
7626 * dce.c: Remove all uses of assert.
7627 * dwarf2out.c: Likewise.
7628 * dwarfout.c: Likewise.
7631 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
7633 * gcc.h (lang_specific_driver): Constify second argument.
7634 * gcc.c (translate_options, process_command, main): Likewise.
7635 Constify variables to match. Cast second argument to
7638 * cppspec.c, gccspec.c: Adjust type of second argument to
7639 lang_specific_driver, and update code as necessary.
7641 2000-08-02 Jakub Jelinek <jakub@redhat.com>
7643 * loop.c (scan_loop): Ensure update_end label does not
7644 go away until reg_scan_update is run.
7646 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
7648 * c-common.h: Prototype min_precision and c_build_qualified_type here...
7649 * c-tree.h: ... not here.
7650 * errors.h: Prototype fancy_abort.
7652 * emit-rtl.c (gen_lowpart_common): Move variable 'c' into
7653 HOST_BITS_PER_WIDE_INT == 64 ifdef block.
7654 * regrename.c (regrename_optimize): Make control flow explicit.
7655 (replace_reg_in_block): Initialize reg_use to 0.
7657 * i386.c (legitimate_address_p): Rename error label to
7658 report_error to avoid namespace clash.
7660 2000-08-02 Kazu Hirata <kazu@hxi.com>
7662 * fold-const.c: Fix formatting.
7664 Wed Aug 2 16:26:15 MET DST 2000 Jan Hubicka <jh@suse.cz>
7666 * i386.c (legitimate_address_p): Accept other bases than
7667 pic_offset_table_rtx for GOTOFF constructs.
7669 Wed Aug 2 15:59:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
7671 * i386.md (shift to lea splitter): Use const_int_operand.
7673 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
7675 * cppexp.c, cppinit.c, cpplex.c, cpplib.c, cppmacro.c,
7676 cppspec.c: Do not use 'legal' or 'illegal' in error messages
7679 * cppmain.c (cb_define, cb_undef): Don't generate any output
7680 if not done_initializing.
7681 * cpplex.c (maybe_paste_with_next): When the token after a ##
7682 is an omitted rest argument, only delete the token before it
7683 if that token is a comma. Do not warn about bogus token
7684 pastes for , ## rest_arg.
7687 * cpp.1: Regenerate.
7689 2000-08-02 Fred Fish <fnf@be.com>
7691 * config/i386/beos-elf.h (STARTFILE_SPEC): Add i386-mcount.o
7692 when user gives -p option. Add init_term_dyn.o for BeOS 5.0
7695 * config/i386/beos-elf.h (INCLUDE_DEFAULTS): Add additional
7696 Be directories to search path.
7698 Remove support for __declspec(dllimport) and __declspec(dllexport).
7699 This is leftover cruft from the earlier BeOS gcc port when BeOS
7700 used Microsoft's PE object file format.
7701 * configure.in (i*86-*-beoself): Remove extra_objs=winnt.o.
7702 * config/i386/t-beos (winnt.o): Remove Makefile frag.
7703 * config/i386/beos-elf.h (TARGET_NOP_FUN_DLLIMPORT): Remove.
7704 (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
7705 (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
7706 (MERGE_MACHINE_DECL_ATTRIBUTES): Remove.
7707 (REDO_SECTION_INFO_P): Remove.
7708 (ASM_EXPORT_DECL): Remove.
7709 (ASM_DECLARE_FUNCTION_NAME): Remove.
7710 (ASM_DECLARE_OBJECT_NAME): Remove.
7711 (ASM_OUTPUT_ALIGNED_COMMON): Remove.
7712 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Remove.
7713 (ASM_OUTPUT_ALIGNED_LOCAL): Remove.
7714 (STRIP_NAME_ENCODING): Remove.
7716 Remove support for obsolete version of BeOS that is no longer
7718 * configure.in (i*86-*-beospe*): Remove.
7719 * config/i386/beos-pe.h: Remove.
7721 2000-08-01 Jeffrey Oldham <oldham@codesourcery.com>
7722 Mark Mitchell <mark@codesourcery.com>
7724 * Makefile.in (OBJS): Added dce.o.
7725 (ssa.o): Updated target to include ssa.h.
7727 (toplev.o): Likewise.
7728 (dce.o): Created target.
7729 * basic-block.h: Added comments.
7730 (INVALID_BLOCK): Added definition.
7731 (connect_infinite_loops_to_exit): Added declaration.
7732 Moved SSA declarations to ssa.h.
7733 * flow.c: Added inclusion of ssa.h.
7734 (struct depth_first_search_dsS, depth_first_search_ds):
7736 (compute_immediate_postdominators): Added definition.
7737 (connect_infinite_loops_to_exit): Likewise.
7738 (flow_dfs_compute_reverse_init): Likewise.
7739 (flow_dfs_compute_reverse_add_bb): Likewise.
7740 (flow_dfs_compute_reverse_execute): Likewise.
7741 (flow_dfs_compute_reverse_finish): Likewise.
7742 * rtl.h (rtx/in_struct): Added use to determine insn necessity.
7743 (LABEL_P): Added definition.
7746 (BARRIER_P): Likewise.
7747 (JUMP_TABLE_DATA_P): Likewise.
7748 (INSN_DEAD_CODE_P): Likewise.
7749 * ssa.c: Replaced inclusions with ssa.h inclusion.
7750 (CONVERT_HARD_REGISTER_TO_SSA_P): Moved to ssa.h.
7751 (rename_registers): Removed unnecessary variables.
7752 * ssa.h: Created by moving declarations from ssa.c and
7754 * timevar.def: Defined TV_DEAD_CODE_ELIM.
7755 * toplev.c: Added ssa.h inclusion.
7756 (dump_file_index): Added DFI_dce.
7757 (dump_file): Added "dce" entry.
7759 (f_options): Added dce entry.
7760 * invoke.texi: Document -fdce. Emphasize experimental status of
7764 2000-08-01 Zack Weinberg <zack@wolery.cumb.org>
7766 * cpperror.c (v_message): Split into _cpp_begin_message and
7767 v_message macro. All callers updated.
7768 (_cpp_begin_message): Do inhibit_errors/inhibit_warnings
7771 * cppfiles.c (cpp_syshdr_flags): New function.
7772 (read_include_file): Don't call cpp_output_tokens. Call
7774 * cppinit.c (dump_macros_helper): Moved to cppmain.c.
7775 (cpp_reader_init): Don't initialize token_buffer. Call
7776 _cpp_init_internal_pragmas.
7777 (cpp_cleanup): Don't clear token_buffer.
7778 (cpp_start_read): Don't worry about output from -D processing.
7779 Don't call cpp_output_tokens.
7780 (cpp_finish): Don't dump macros here. Don't call
7782 * cppmacro.c (_cpp_dump_definition): Rename
7783 cpp_dump_definition. Write directly to a FILE *.
7784 (dump_funlike_macro): Delete.
7785 (dump_macro_args): New.
7787 * cpplex.c (TOKEN_LEN): Convert to inline function.
7788 (_cpp_grow_token_buffer, safe_fwrite, cpp_output_tokens,
7789 cpp_scan_line, _cpp_dump_list): Delete.
7790 (cpp_printf, cpp_output_list): New.
7791 (output_line_command): Don't worry about entering or leaving files.
7792 (cpp_scan_buffer): Just output each token as we hit it.
7793 (process_directive): Don't call cpp_output_tokens.
7794 (_cpp_glue_header_name): Don't use token_buffer.
7795 (output_token, dump_param_spelling): Write directly to a FILE *.
7797 * cpplib.c (pass_thru_directive, dump_macro_name,
7798 pragma_dispatch, do_pragma_gcc): Delete.
7799 (do_define, do_undef, parse_include, do_line, do_ident, do_pragma,
7800 do_pragma_poison, cpp_pop_buffer): Call the appropriate hook
7802 (do_error, do_warning, pragma_dependency): Call
7803 _cpp_begin_message, then cpp_output_list.
7804 (cpp_register_pragma, cpp_register_pragma_space,
7805 _cpp_init_internal_pragmas): New.
7806 (do_pragma): Walk the pragmas table here.
7807 (do_pragma_once, do_pragma_poison, do_pragma_system_header,
7808 do_pragma_dependency): Return void.
7809 (do_pragma_implementation): Moved to cppmain.c.
7811 * cpplib.h: Update prototypes.
7812 (struct cpp_reader): Remove printer, token_buffer,
7813 token_buffer_size, and limit. Add struct cb, and pragmas.
7814 (struct cpp_printer): Remove last_id and written.
7815 (CPP_WRITTEN, CPP_PWRITTEN, CPP_SET_WRITTEN,
7816 CPP_ADJUST_WRITTEN): Delete.
7817 * cpphash.h: Update prototypes.
7818 (ufputs): New wrapper.
7820 * cppmain.c (cb_define, cb_undef, cb_include, cb_ident,
7821 cb_enter_file, cb_leave_file, cb_def_pragma): New functions.
7822 (main): Set up callbacks. Register #pragma implementation.
7823 Dump macros from here.
7825 2000-08-01 Geoff Keating <geoffk@cygnus.com>
7827 * rtl.h (enum reg_note): Add REG_MAYBE_DEAD.
7828 * rtl.c (reg_note_name): Add REG_MAYBE_DEAD.
7829 * flow.c (propagate_one_insn): Allow deletion of prologue/epilogue
7830 insns if they have a REG_MAYBE_DEAD note attached.
7831 * config/rs6000/rs6000.c (rs6000_maybe_dead): New function.
7832 (rs6000_emit_load_toc_table): TOC loads may go dead.
7834 2000-08-01 Jim Wilson <wilson@cygnus.com>
7836 * config/ia64/ia64.c (ia64_function_arg): Fix last change. Verify
7837 type exists before using it. Use number of words as alignment
7839 (ia64_function_arg_partial_nregs, ia64_function_arg_advance,
7840 ia64_va_arg): Propagate ia64_function_args changes here.
7842 2000-08-01 Richard Henderson <rth@cygnus.com>
7844 * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Care for null DECL.
7845 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
7847 2000-08-01 Bernd Schmidt <bernds@cygnus.co.uk>
7849 From Joern Rennecke:
7850 * sh.h (CPP_SPEC, TARGET_SWITCHES): Add m4-nofpu.
7851 * sh.md (udivsi3, divsi3): Don't use libcalls that use the FPU
7852 unless TARGET_SH3E is set.
7853 * t-sh (MULTILIB_MATCHES): Add m2=m4-nofpu.
7855 * sh.md (ashlsi3_d, ashlsi3_k): Remove, replace with
7856 (ashlsi3_std): New pattern.
7857 (ashlsi3 expander): Use it for TARGET_SH3.
7858 * sh.c (gen_ashift): Use it instead of ashlsi3_k.
7860 Tue Aug 1 12:34:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
7862 * loop.c (canonicalize_condition): Use destination, not source to
7863 determine SET's mode.
7865 2000-07-31 Mark Mitchell <mark@codesourcery.com>
7867 * flow.c (clear_log_links): Fix typo.
7869 Mon Jul 31 22:19:24 2000 Jeffrey A Law (law@cygnus.com)
7871 * loop.c (check_dbra_loop): Make change from July 17, 2000 work
7872 on targets which need more than one insn for a compare/cbranch
7875 2000-07-31 Jim Wilson <wilson@cygnus.com>
7877 * config/ia64/ia64.c (ia64_function_arg): Use alignment not size
7878 when computing offset.
7880 Mon Jul 31 20:35:50 2000 Denis Chertykov <denisc@overta.ru>
7882 * genpeep.c (main): Handle DEFINE_PEEPHOLE2.
7884 2000-07-31 Geoff Keating <geoffk@cygnus.com>
7886 * flow.c (clear_log_links): Nuke global_live_at_start and
7887 global_live_at_end data, since if the log_links stuff is invalid
7888 so is global_live_at_*.
7890 2000-07-31 Richard Henderson <rth@cygnus.com>
7892 * tm.texi (Addressing Modes): Clarify PRE/POST_MODIFY descriptions.
7894 2000-07-31 Jakub Jelinek <jakub@redhat.com>
7896 * cpplex.c (_cpp_get_line): If index is 0, return line 0 col 0.
7897 (_cpp_get_token): Don't macro expand a just pasted token if it
7898 was pasted at no_expand_level.
7900 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
7902 * cppmacro.c (find_param, count_params, save_expansion):
7903 Permit 'defined' as a macro parameter name.
7905 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
7907 * Makefile.in: Rename cpp to cpp0, tradcpp to tradcpp0, and
7908 xcpp to cpp throughout.
7909 (native): Remove unnecessary dependency on cpp.
7911 * gcc.c (trad_capable_cpp, C specs): Rename cpp to cpp,
7912 tradcpp to tradcpp0.
7913 (.i spec): Add missing output-file spec to cc1 command line.
7914 * objc/lang-specs.h: Rename cpp to cpp0 and/or tradcpp to tradcpp0.
7916 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
7918 * c-decl.c (mesg_implicit_function_declaration): Init to -1.
7919 (implicit_decl_warning): New function.
7920 (implicitly_declare): Use it.
7921 * c-typeck.c (build_external_ref): Use implicit_decl_warning
7922 to complain about implicit decls of builtins.
7924 * c-lang.c (lang_init): Set mesg_implicit_function_declaration
7925 based on pedantic && flag_isoc99, if not already set.
7926 * c-tree.h: Declare mesg_implicit_function_declaration.
7927 Prototype implicit_decl_warning.
7929 2000-07-30 Jeffrey D. Oldham <oldham@codesourcery.com>
7931 * Makefile.in (ssa.o): Updated header files in dependences.
7932 * basic-block.h: Added compute_immediate_postdominators declaration.
7933 * config/i386/i386.h (CONVERT_HARD_REGISTER_TO_SSA_P): Added
7935 * flow.c (compute_immediate_dominators): Updated comment.
7936 (compute_immediate_postdominators): Added definition.
7937 * rtl.h (HARD_REGISTER_P): Added definition.
7938 * ssa.c: Include additional header files.
7939 (assert): Added definition.
7940 (ssa_rename_to_lookup): Added to reimplement ssa_rename_to to
7941 include select hard registers.
7942 (ssa_rename_to_insert): Likewise.
7943 (ssa_rename_from_initialize): Likewise.
7944 (ssa_rename_from_lookup): Likewise.
7945 (original_register): Likewise.
7946 (ssa_rename_from_insert): Added to reimplement ssa_rename_from to
7947 include select hard reigsters.
7948 (ssa_rename_from_traverse): Likewise.
7949 (ssa_rename_from_free): Likewise.
7950 (ssa_rename_from_print): Likewise.
7951 (ssa_rename_from_print_1): Likewise.
7952 (ssa_rename_from_hash_function): Likewise.
7953 (ssa_rename_from_equal): Likewise.
7954 (ssa_rename_from_delete): Likewise.
7955 (simplify_to_immediate_dominators): Removed in favor of
7956 flow.c:compute_immediate_dominators.
7957 (find_evaluations_1): Modified to work with hard registers.
7958 (insert_phi_node): Likewise.
7959 (insert_phi_nodes): Likewise.
7960 (struct rename_set_data): Updated prev_reg comment.
7961 (create_delayed_rename): Modified to work with hard registers.
7962 (RENAME_NO_RTX): Updated comment.
7963 (apply_delayed_renames): Modified to work with hard registers.
7964 (rename_insn_1): Likewise and added handling of CLOBBER rtls.
7965 (rename_block): Updated to use revised ssa_rename_to interface.
7966 (rename_registers): Updated to use revised ssa_rename_to and
7967 ssa_rename_from interface.
7968 (convert_to_ssa): Revised to use compute_immediate_dominators and
7969 deal with hard registers.
7970 (make_regs_equivalent_over_bad_edges): Modified to work with hard
7971 registers. Added check for illegal unification of hard register.
7972 (make_equivalent_phi_alternatives_equivalent): Modified to work
7973 with hard registers.
7974 (compute_conservative_reg_partition): Likewise.
7975 (coalesce_if_unconflicting): Modified to work with hard registers
7976 and check for conflicting hard registers.
7977 (mark_phi_and_copy_regs): Revised loop to work only on pseudo
7979 (rename_equivalent_regs_in_insn): Modified to work with hard
7981 (record_canonical_element_1): Added definition.
7982 (check_hard_regs_in_partition): Added definition.
7983 (convert_from_ssa): Added data structure deallocation and check
7984 for illegal hard register unification.
7985 (conflict_hard_regs_p): Added definition.
7986 * toplev.c (rest_of_compilation): Added comment.
7988 2000-07-31 Anthony Green <green@redhat.com>
7990 * config/ia64/crtbegin.asm (__EH_FRAME_BEGIN__): Align correctly.
7992 2000-07-31 Jason McMullan <jmcmullan@linuxcare.com>
7994 * builtins.c (expand_builtin_apply): Don't defer pop during
7997 2000-07-31 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7999 * calls.c (combine_pending_stack_adjustment_and_call): Only use
8000 preferred_unit_stack_boundary when it is > 1.
8002 2000-07-31 Joseph S. Myers <jsm28@cam.ac.uk>
8004 * c-common.c (init_function_format_info): Add C99 format functions
8007 * c-decl.c (get_parm_info): Don't treat 'const void', 'volatile
8008 void' or 'register void' as being the special case of 'void' alone
8009 in a parameter list.
8011 * c-typeck.c (build_c_cast): Change -Wcast-qual pedwarn for
8012 discarding qualifiers into a plain warning.
8014 2000-07-31 Kazu Hirata <kazu@hxi.com>
8016 * combine.c: Fix formatting.
8018 * h8300.md: Fix formatting.
8020 * local-alloc.c: Fix formatting.
8022 * h8300.c (get_shift_alg): Remove the variable alg.
8023 (emit_a_shift): Rearrange code to improve readability.
8025 * h8300.md (movsi_h8300hs): Rearrange code to improve readability.
8027 * h8300.h (MODES_TIEABLE_P): Accept a combination of QImode and
8028 HImode on all architectures and a combination of HImode and SImode
8029 on H8/300H and H8/S.
8031 * h8300.c (split_adds_subs): Rearrange code for conciseness.
8033 Mon Jul 31 12:27:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
8035 * i386.md (addsi to lea splitter, ashlqi3_1_lea): Fix bugs
8038 Mon Jul 31 10:41:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
8040 * recog.c (extract_insn): Set operand_mode according to
8041 operand if match_operand is VOIDmode.
8043 Mon Jul 31 10:36:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
8045 * recog.c (validate_replace_rtx_1): Do not abort for (nil) expression.
8047 2000-07-31 Geoff Keating <geoffk@cygnus.com>
8049 * c-parse.in (extdefs): Call ggc_collect between external
8052 2000-07-30 Michael Hayes <mhayes@cygnus.com>
8053 Richard Henderson <rth@cygnus.com>
8055 * Makefile.in (OBJS): Add doloop.o.
8056 * doloop.c: New file.
8058 * final.c (insn_current_reference_address): Return 0 before final.
8059 * flags.h (flag_branch_on_count_reg): Fix typos in commentary.
8060 * jump.c (any_uncondjump_p): Likewise.
8061 * loop.c (indirect_jump_in_function): Make static.
8062 (strength_reduce): Call doloop_optimize.
8063 (insert_bct, instrument_loop_bct): Remove.
8064 * loop.h (doloop_optimize): Prototype.
8065 * recog.c (split_all_insns): Split all INSN_P.
8066 * toplev.c (flag_branch_on_count_reg): Default on.
8068 * config/c4x/c4x.c (c4x_optimization_options): Don't set
8069 flag_branch_on_count_reg.
8070 * config/i386/i386.c (override_options): Likewise.
8071 * config/rs6000/rs6000.c (optimization_options): Likewise.
8073 * config/i386/i386.md (decrement_and_branch_on_count): Remove.
8075 (dbra_ge): Remove, as well as all it's splitters.
8077 * config/rs6000/rs6000.md (decrement_and_branch_on_count): Remove.
8080 * config/ia64/ia64-protos.h (ar_lc_reg_operand): Declare.
8081 (ia64_register_move_cost): Declare.
8082 * config/ia64/ia64.c (ar_lc_reg_operand): New.
8083 (struct ia64_frame_info): Add ar_size.
8084 (ia64_compute_frame_size): Set it.
8085 (save_restore_insns): Save and restore ar.lc.
8086 (ia64_register_move_cost): New, moved from header file. Handle
8087 application registers.
8088 (REG_AR_PFS, REG_AR_EC): Remove. Replace with AR_*_REGNUM numbers.
8089 (emit_insn_group_barriers): Special case doloop_end_internal.
8090 (ia64_epilogue_uses): Mark ar.lc live at end.
8091 * config/ia64/ia64.h (AR_CCV_REGNUM, AR_LC_REGNUM): New registers.
8092 (AR_EC_REGNUM, AR_PFS_REGNUM): New registers.
8093 (FIRST_PSEUDO_REGISTER): Make room.
8094 (AR_M_REGNO_P, AR_I_REGNO_P, AR_REGNO_P): New.
8095 (FIXED_REGISTERS, CALL_USED_REGISTERS): Update.
8096 (REG_ALLOC_ORDER): Update.
8097 (HARD_REGNO_MODE_OK): Update.
8098 (REGISTER_NAMES): Update.
8099 (enum reg_class): Add AR_M_REGS and AR_I_REGS.
8100 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
8101 (REGNO_REG_CLASS): Update.
8102 (LEGITIMATE_ADDRESS_DISP): Displacement range is 9 bits, not 10.
8103 (REGISTER_MOVE_COST): Move out of line.
8104 (PREDICATE_CODES): Update.
8105 * config/ia64/ia64.md (movdi patterns): Handle ar register classes.
8106 (addsi3_plus1_alt, adddi3_plus1_alt): New.
8107 (shladd_elim splitter): Allow constants in the predicate.
8108 (doloop_end, doloop_end_internal): New.
8110 2000-07-30 Richard Henderson <rth@cygnus.com>
8112 * genattrtab.c (struct insn_def): Add lineno member.
8113 (struct insn_ent): Likewise.
8114 (struct attr_desc): Likewise.
8115 (struct delay_desc): Likewise.
8116 (struct function_unit_op): Likewise.
8117 (struct function_unit): Likewise.
8118 (check_attr_value): Use message_with_line.
8119 (check_defs): Likewise.
8120 (expand_units): Likewise.
8121 (check_attr_test): Take a lineno argument.
8122 (gen_attr): Likewise.
8123 (gen_insn): Likewise.
8124 (gen_delay): Likewise.
8125 (gen_unit): Likewise.
8126 (main): Give it to them.
8127 (convert_set_attr_alternative): Take an insn_def argument
8128 instead of num_alt and insn_index.
8129 (convert_set_attr): Likewise.
8130 (write_test_expr): Protect INSN_ADDRESSES load
8131 with INSN_ADDRESSES_SET_P.
8133 2000-07-30 Richard Henderson <rth@cygnus.com>
8135 * flow.c (init_propagate_block_info): Use pc_set.
8137 Sun Jul 30 20:58:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
8139 * i386.md (*lea_general_[123]) New insns and splits.
8140 (addsi3 to lea splitter): Handle other modes too.
8141 (shlsi3 to lea splitter): Likewise.
8142 (addhi_1_lea, shlhi_1_lea): New patterns.
8143 (addhi_1, shlhi_1): Conditionize by PARTIAL_REG_STALL.
8145 Sun Jul 30 20:51:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
8147 * recog.c (general_operand, nonimmediate_operand): Accept
8148 any mode for VOIDmode CONSTANT_P operands.
8150 Sun Jul 30 20:42:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
8152 * gcse.c (try_replace_reg): Use validate_replace_rtx_subexp
8153 instead of replace_rtx.
8154 * recog.c (validate_replace_rtx_subexp): New function.
8155 * recog.h (validate_replace_rtx_subexp): Declare.
8157 Sun Jul 30 20:38:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
8159 * combine.c (simplify_set, make_extraction, make_compound_operation
8160 make_field_assignment): Use full mask instead of GET_MODE_MASK (mode)
8161 as force_to_mode argument.
8163 Sun Jul 30 20:30:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
8165 * combine.c (if_then_else_cond): Be sure that mode fits in
8168 Sun Jul 30 20:27:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
8170 * combine.c (record_promoted_value): Allow bitsize of mode
8171 to be equivalent to HOST_BITS_PER_WISE_INT.
8173 Sun Jul 30 20:25:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
8175 * function.c (assign_stack_local_1, assign_stack_temp_for_type):
8176 Do not call gen_mode_alignment when mode is BLKmode.
8178 Sun Jul 30 20:21:54 MET DST 2000 Jan Hubicka <jh@suse.cz>
8180 * loop.c (express_from_1): Fix call of simplify_gen_binary.
8182 Sun Jul 30 20:08:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
8184 * simplify-rtx.c (simplify_relational_operation): Verify that mode ==
8185 VOIDmode implies both operands to be VOIDmode.
8186 (simplify_ternary_operation): Compute properly the mode of comparison.
8187 * combine.c (combine_simplify_rtx): Likewise.
8189 2000-07-25 Michael Hayes <mph@paradise.net.nz>
8191 * basic-block.h (struct loops): New field rc_order.
8192 * flow.c (flow_loops_cfg_dump): Dump rc_order if computed.
8193 (flow_loops_free): Free rc_order.
8194 (flow_depth_first_order_compute): New parameter rc_order.
8195 (flow_loops_find): Allocate rc_order and swap usage with
8198 2000-07-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8199 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8201 * config/c4x/c4x.md (set_ldp_prologue): Add for RTL prologue/epilogue.
8202 (push_st, push_dp, pop_st, pop_dp, popqi_unspec): Likewise.
8203 (nodb_call, return_from_epilogue): Likewise.
8204 (return_from_interrupt_epilogue, prologue, epilogue): Likewise.
8205 * config/c4x/c4x.c (c4x_expand_prologue, c4x_expand_eplilogue): Add.
8206 * config/c4x/c4x-protos.h (c4x_interrupt_function_p): Add.
8207 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
8208 (c4x_valid_type_attribute_p): Likewise.
8209 * config/c4x/c4x.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Delete.
8210 (FUNCTION_BLOCK_PROFILER_EXIT): Convert to emit RTL.
8212 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8214 * config/c4x/c4x.c (c4x_emit_move_sequence): Use loadqi_big_constant
8215 and loadhi_big_constant if applicable.
8216 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant): Tweak
8217 and add new splitter.s
8219 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8221 * config/c4x/c4x.c (c4x_rptb_insert): Make more robust.
8223 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8225 * config/c4x/c4x.h (ASM_FORMAT_PRIVATE_NAME): Output $ in label.
8227 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8229 * config/c4x/c4x.h (IS_XXX_REGNO): Rewrite to avoid unsigned warnings.
8231 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8233 * config/c4x/libgcc.S (divqf3): Improve accuracy.
8235 2000-07-27 Mark Mitchell <mark@codesourcery.com>
8237 Put phi nodes after NOTE_INSN_BASIC_BLOCK.
8238 * rtl.h (NOTE_INSN_BASIC_BLOCK_P): New macro.
8239 * bb-reorder.c (get_next_bb_note): Use NOTE_INSN_BASIC_BLOCK_P.
8240 (get_prev_bb_note): Likewise.
8241 (remove_scope_notes): Likewise.
8242 * flow.c (commit_one_edge_insertion): Likewise.
8243 (merge_blocks_nomove): Likewise.
8244 (verify_flow_info): Likewise.
8245 * gcse.c (insert_insn_end_bb): Likewise.
8246 * reg-stack.c (emit_swap_insn): Likewise.
8247 * ssa.c (first_insn_after_basic_block_note): New function.
8248 (insert_phi_node): Use it.
8249 (rename_block): Likewise.
8250 (eliminate_phi): Likewise.
8251 (make_regs_equivalent_over_bad_edges): Likewise.
8252 (make_equivalent_phi_alternatives_equivalent): Likewise.
8253 (for_each_successor_phi): Likewise.
8254 (convert_from_ssa): Modify phi-node deletion algorithm.
8256 2000-07-29 Andreas Jaeger <aj@suse.de>
8258 * configure.in (mips*-*-linux*): Use mips*el to check for little
8259 endian MIPS, add tmake_file.
8261 * config/mips/linux.h (TARGET_VERSION): Use GNU/Linux.
8262 (SUBTARGET_CPP_SPEC): Default MIPS_ISA is 1.
8263 Patches by Maciej W. Rozycki <macro@ds2.pg.gda.pl>.
8265 2000-07-28 Richard Henderson <rth@cygnus.com>
8267 * config/ia64/ia64.c (ia64_print_operand): Fix typos.
8268 Sign extend mode size before negating.
8270 2000-07-28 Richard Henderson <rth@cygnus.com>
8272 * emit-rtl.c (gen_lowpart_common): Add missing 'c' variable.
8274 2000-07-28 Bernd Schmidt <bernds@cygnus.co.uk>
8276 * cse.c (canon_hash): Handle PRE_MODIFY/POST_MODIFY.
8277 (cse_insn): Likewise.
8278 (addr_affects_sp_p): Likewise.
8279 * expr.c (move_by_pieces): Likewise.
8280 (clear_by_pieces): Likewise.
8281 * gcse.c (oprs_unchanged_p): Likewise.
8282 * haifa-sched.c (sched_analyze_2): Likewise.
8283 * recog.c (offsettable_address_p): Likewise.
8284 * regclass.c (record_address_regs): Likewise.
8285 * reload.c (find_reusable_reload): Likewise.
8286 (push_reload): Likewise.
8287 (operands_match_p): Likewise.
8288 (decompose): Likewise.
8289 (find_reloads_address_1): Likewise.
8290 (find_inc_amount): Likewise.
8291 * reload1.c (elimination_effects): Likewise.
8292 * resource.c (mark_set_resources): Likewise.
8293 * flow.c (attempt_auto_inc): New function; mostly broken out
8295 (find_auto_inc): Split into two functions and enhanced to
8296 generate POST_MODIFY.
8297 * rtl.def (PRE_MODIFY, POST_MODIFY): Adjust comment.
8298 * rtl.h (count_all_occurrences): Declare.
8299 (HAVE_{PRE,POST}_MODIFY_{DISP,REG}): Provide default of 0 if not
8301 * rtlanal.c (count_all_occurrences): New function.
8302 * tm.texi (HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_DISP,
8303 HAVE_POST_MODIFY_REG, HAVE_PRE_MODIFY_REG): Document.
8305 * config/ia64/ia64-protos.h (destination_operand): Declare.
8306 * config/ia64/ia64.c (destination_operand): New function.
8307 (ia64_print_operand): Handle POST_MODIFY.
8308 (rtx_needs_barrier): Likewise.
8309 * config/ia64/ia64.h (HAVE_POST_MODIFY_DISP): Define to 1.
8310 (HAVE_POST_MODIFY_REG): Define to 1.
8311 (MAX_REGS_PER_ADDRESS): Change to 2.
8312 (GO_IF_LEGITIMATE_ADDRESS): Accept POST_MODIFY too.
8313 (LEGITIMATE_ADDRESS_REG): New helper macro.
8314 (LEGITIMATE_ADDRESS_DISP): Likewise.
8315 (PREDICATE_CODES): Add entry for destination_operand.
8316 * config/ia64/ia64.md (all mov patterns): Use destination_operand
8317 predicate for operand 0.
8319 2000-07-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8321 * dwarf2out.c: Indent #error directive.
8323 * gbl-ctors.h: Fix typo in comment.
8324 (__do_global_ctors): Prototype.
8326 * gcse.c (record_one_set, pre_delete): Remove unused variables.
8328 * rs6000.c (rs6000_maybe_dead): Delete unused prototype.
8329 (print_operand): Initialize variable `t'.
8331 2000-07-27 Aldy Hernandez <aldyh@redhat.com>
8333 * config/arm/arm.md ("call_value"): removed constraints.
8334 Constraints are ignored in expanders.
8335 (*call_value_reg): split =rf into various constraints.
8336 (*call_value_mem): same
8337 (*call_value_symbol): same
8338 (*sibcall_value_insn): same
8340 2000-07-28 Philipp Thomas <pthomas@suse.de>
8342 * install.texi (--enable-nls): Change the description of the NLS
8343 related configure options to match the current state.
8344 (--with-included-gettext): Likewise.
8345 (--enable-maintainer-mode): New description added.
8346 * extend.texi (-fstrict-prototype): Add missing '.'.
8348 2000-07-27 Jim Wilson <wilson@cygnus.com>
8350 * dwarf2out.c (gen_decl_die): Don't call gen_abstract_function if
8351 DECL_INITIAL (decl) == NULL_TREE.
8353 2000-07-27 Alexandre Oliva <aoliva@redhat.com>
8355 * Makefile.in (INSN_ATTR_H): New macro. Replace all dependencies
8356 on insn-attr.h with it.
8357 * genattr.c: Generate `#include "insn-addr.h"' if HAVE_ATTR_length.
8358 * insn-addr.h: New header.
8359 (insn_addresses_): Renamed from insn_addresses.
8360 (INSN_ADDRESSES_DEFN, INSN_ADDRESSES, INSN_ADDRESSES_ALLOC,
8361 INSN_ADDRESSES_FREE, INSN_ADDRESSES_SET_P, INSN_ADDRESSES_SIZE,
8362 INSN_ADDRESSES_NEW): New macros.
8363 * genattrtab.c (write_test_expr): Use new macros.
8364 * final.c (insn_addresses, init_insn_lengths): Likewise.
8365 (align_fuzz, shorten_branches): Likewise.
8366 (final): Likewise. Do not reject new insns if their addresses
8367 have been added to INSN_ADDRESSES.
8368 * config/arm/arm.c, config/avr/avr.c: Use new macros.
8369 * config/h8300/h8300.c, config/i370/i370.c: Likewise.
8370 * config/m88k/m88k.c, config/pa/pa.c, config/pa/pa.md: Likewise.
8371 * config/sparc/sparc.c, config/sparc/sparc.md: Likewise.
8372 * config/sh/sh.c: Likewise.
8373 (output_branchy_insn): Use INSN_ADDRESSES_NEW.
8375 * Makefile.in (bootstrap): Move -BstageN/ back to the beginning.
8377 2000-07-27 Andrew Cagney <cagney@b1.cygnus.com>
8379 * gcc.c (struct prefix_list): Add member priority.
8380 (enum path_prefix_priority): Declare.
8381 (add_prefix): Replace ``first'' with ``priority''. Append new
8382 entry but keep list in priority order.
8383 (process_command): Update. Pass PREFIX_PRIORITY_B_OPT or
8384 PREFIX_PRIORITY_LAST to add_prefix.
8385 (process_command): Move include kludge - foo/stageN - to before
8388 2000-07-27 Jason Merrill <jason@redhat.com>
8390 * dwarf2out.c (gen_typedef_die): Abort if we get identical
8391 TREE_TYPE and DECL_ORIGINAL_TYPE on a typedef.
8393 2000-07-27 RodneyBrown <RodneyBrown@pmsc.com>
8395 * expr.h (get_alias_set, lang_get_alias_set): Delete prototypes.
8396 * tree.h (get_alias_set, lang_get_alias_set): Prototype.
8398 2000-07-27 Joseph S. Myers <jsm28@cam.ac.uk>
8400 * c-decl.c (finish_function): Don't treat 'main' specially unless
8401 flag_hosted. In C99 mode, return 0 from 'main' unless
8402 DEFAULT_MAIN_RETURN is otherwise defined.
8404 * c-decl.c (store_parm_decls): In C99 mode, pedwarn for function
8405 parameters defaulting to int in an old-style function definition.
8407 2000-07-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8409 * c-parse.in (string): For -Wtraditional, warn about string
8410 concatenation only once per line.
8412 Thu Jul 27 09:25:17 2000 Akiko Matsushita <matusita@sra.co.jp>
8414 * pa/x-pa-hpux: Add -D_HIUX_SOURCE to FIXPROTO_DEFINES
8415 for HI-UX/WE2 systems.
8417 2000-07-24 Bruce Korb <bkorb@gnu.org>
8419 * fixincl/fixfixes.c(emit_gnu_type): rewrote to *rely* on GCC
8420 defining the __xxx_TYPE__ macros.
8421 * fixincl/fixincl.tpl(gnu_type_map): now obsolete
8422 * fixincl/fixlib.h: don't need to include "tm.h" anymore
8423 * fixincl/inclhack.def(type_map): now obsolete
8425 Thu Jul 27 11:54:17 2000 Andrew Cagney <cagney@b1.cygnus.com>
8427 * cpp.texi: Append a trailing full-stop to xrefs where needed.
8429 2000-07-26 Dave Pitts <dpitts@cozx.com>
8431 * i370.c: Remove LONGEXTERNAL ifdef from alias_number. Added hash
8433 (mvs_hash_alias): New function.
8434 (mvs_add_alias): Change argument spacing.
8435 (mvs_need_alias): Change aliasing criteria. Added documentation.
8436 (mvs_get_alias): Change to use hashed name. The hashed name prevents
8437 CSECT name collisions.
8438 (mvs_check_alias): Likewise.
8439 (handle_pragma): Change documentation.
8440 * i370.md (mulsi3, divsi3, udivsi3, modsi3, umodsi3): Changed gen_rtx
8441 mode from SImode to DImode.
8442 (iorhi3): Changed LTORG size for insn.
8444 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
8446 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
8447 mem if the address is a mode_dependent_address_p.
8449 2000-07-26 Kazu Hirata <kazu@hxi.com>
8451 * h8300.c (print_operand): Print ":8" when the 'R' operand is
8452 suitable for 8-bit absolute.
8453 * h8300.h (EIGHTBIT_CONSTANT_ADDRESS_P): New.
8454 (OK_FOR_U): Add a case for the 8-bit constant address on the
8457 Wed Jul 26 19:26:21 2000 Hans-Peter Nilsson <hp@axis.com>
8459 * varasm.c (assemble_variable) [! defined(ASM_OUTPUT_ALIGNED_COMMON)
8460 && ! defined (ASM_OUTPUT_ALIGNED_BSS]): Also test
8461 ! defined(ASM_OUTPUT_ALIGNED_DECL_COMMON) before complaining about
8462 lack of implemented alignment.
8464 2000-07-26 Geoffrey Keating <geoffk@cygnus.com>
8466 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETIC]: Handle
8467 cross-compiling between 64-bit and 32-bit machines.
8469 2000-07-27 Richard Henderson <rth@cygnus.com>
8471 * config/ia64/ia64.md (movqicc_astep, movqi_internal_astep): New.
8472 (movhicc_astep, movhi_internal_astep): New.
8473 (movsicc_astep, movsi_internal_astep): New.
8474 (movdicc_astep, movdi_internal_astep): New.
8475 (movsfcc_astep, movsf_internal_astep): New.
8476 (movdfcc_astep, movdf_internal_astep): New.
8477 (movxfcc_astep, movxf_internal_astep): New.
8478 (cmovdi_internal_astep, cmovsi_internal_astep): New.
8479 Unify the cmov[ds]i splitters.
8481 2000-07-27 Rodney Brown <RodneyBrown@pmsc.com>
8483 * real.c (asctoeg): Rename `error' label to unexpected_char_error
8485 2000-07-26 Nick Clifton <nickc@cygnus.com>
8487 * config/arm/vxarm.h (CPP_PREDEFINES): Remove definition of
8488 __arm__. Allow it to be defined by CPP_ISA_SPEC in arm.h
8490 * dwarf2out.c (dwarf2out_frame_debug_expr): Accept SEQUENCE as
8491 well as PARALLEL blocks in FRAME_RELATED_EXPR notes.
8493 2000-07-26 Alexandre Oliva <aoliva@redhat.com>
8495 * c-decl.c (finish_enum): Convert enumerations that fit in an
8497 (build_enumerator): In pedantic mode, cast to `int' those that
8500 2000-07-25 Rodney Brown <RodneyBrown@pmsc.com>
8502 * config/alpha/osf.h (SIZE_TYPE, PTRDIFF_TYPE): New.
8504 Tue Jul 25 23:08:33 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8506 * sh.md (cmpgtdi_t): Must be split.
8507 (cmpgtdi_t+1): New splitter.
8509 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
8511 * cpplib.c (_cpp_check_directive): Issue -Wtraditional
8512 warnings for indented directives even if we are skipping.
8514 2000-07-25 Nathan Sidwell <nathan@codesourcery.com>
8516 * invoke.texi (strict-prototypes): Remove.
8517 * extend.texi (Deprecated Features): Add strict-prototypes.
8518 (Backwards Compatibility): New node.
8520 2000-07-25 Jakub Jelinek <jakub@redhat.com>
8522 * config/i386/i386.md (andsi_1+1): Allow HImode.
8523 (andsi_1+2): Require q_regs_operand.
8525 2000-07-25 Jakub Jelinek <jakub@redhat.com>
8527 * config/i386/i386.md (call_pop): Check operands[0],
8528 not operands[1]. Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
8530 (call_value_pop): Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
8531 (call_value): Likewise.
8533 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
8535 * toplev.c (pipe_closed): Delete.
8536 (crash_signal): New. Generate ICE for a fatal signal.
8537 (float_signal): Call crash_signal outside a float-handler
8539 (main): Install crash_signal as handler for core-dumping signals.
8541 2000-07-25 David Edelsohn <edelsohn@gnu.org>
8543 * rs6000.c (print_operand, case 'T'): New case.
8545 * rs6000.md (call_indirect_aix32): Convert to expander of
8546 scheduled instructions.
8547 (call_indirect_aix64): Likewise.
8548 (call_value_indirect_aix{32,64}): Likewise.
8549 (call, call_value): Invoke expanders for AIX. Fall through to
8551 (call_indirect_nonlocal_aix{32,64}): New patterns (ctr and lr).
8552 (call_value_indirect_nonlocal_aix{32,64}): New patterns.
8553 (call_nonlocal_aix32): Remove CALL_LONG alternative. Operand 1
8554 only "g" constraint.
8555 (call_nonlocal_aix64): Likewise.
8556 (call_value_nonlocal_aix{32,64}): Likewise.
8557 (call_nonlocal_sysv): New pattern for ctr, lr, and symbolic
8559 (call_value_nonlocal_sysv): New pattern.
8560 (indirect_jump{si,di}): Use new 'T' modifier.
8561 (tablejump{si,di} matchers): Likewise.
8562 (return_internal_{si,di}): Likewise.
8563 (return_eh_{si,di}): Likewise.
8565 2000-07-24 Richard Henderson <rth@cygnus.com>
8567 * config/ia64/ia64.c (ia64_print_operand): Handle "%,".
8568 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): Likewise.
8569 * config/ia64/ia64.md (movdi_internal): Use it.
8571 2000-07-24 Zack Weinberg <zack@wolery.cumb.org>
8573 * cppexp.c: Warn about unary + if -Wtraditional.
8574 * cpplex.c (lex_line): Always set BOL on the first token of a line.
8576 2000-07-24 Michael Meissner <meissner@redhat.com>
8578 * d30v.h (FUNCTION_ARG_KEEP_AS_REFERENCE): Delete references to
8581 2000-07-24 Nick Clifton <nickc@cygnus.com>
8583 * config/arm/arm.c (emit_multi_reg_push): Generate a
8584 REG_FRAME_RELEATED_NOTE that is compatable with the code in
8585 dwarf2out_debug_frame_expr.
8587 2000-07-24 Jason Merrill <jason@redhat.com>
8589 * dwarf2out.c: Complain if DWARF2_DEBUGGING_INFO is defined without
8590 UNALIGNED_INT_ASM_OP.
8591 (def_cfa_1): Don't emit def_cfa_register or def_cfa_offset to adjust
8592 a location expression.
8593 (dwarf2out_frame_debug_expr): Lose cfa_old_reg stuff. Don't
8594 assume indirect access if we're saving the CFA address exactly.
8596 * Makefile.in (bootstrap): Move -BstageN/ to the end.
8598 2000-07-24 Jakub Jelinek <jakub@redhat.com>
8600 * tradcpp.c (main): Update max_include_len for cpp_include_defaults
8603 2000-07-24 Michael Meissner <meissner@redhat.com>
8605 * invoke.texi (D30V Options): Add d30v options.
8607 Mon Jul 24 02:04:52 2000 Jeffrey A Law (law@cygnus.com)
8609 * gcse.c (alloc_pre_mem): Do not alloc TRANSPOUT, it is not
8610 needed by our gcse pass anymore.
8611 (free_pre_mem): Corresponding changes.
8612 (compute_pre_data): Do not call compute_transpout anymore.
8614 * gcse.c (alloc_avail_expr_mem): Kill unused 'u_bitmap'.
8615 (free_avail_expr_mem, alloc_pre_mem, free_pre_mem): Corresponding
8618 * gcse.c (free_pre_mem): Do not free ANTLOC and AE_KILL here.
8619 (compute_pre_data): Do it here instead.
8621 * gcse.c (alloc_pre_mem, free_pre_mem): Delete unused bitmap
8623 (pre_delete): Corresponding changes.
8625 2000-07-23 Mark Mitchell <mark@codesourcery.com>
8627 * c-semantics.c (make_rtl_for_local_static): Use TREE_ASM_WRITTEN
8628 to figure out whether or not a variable has already been emitted.
8630 Sun Jul 23 14:49:12 2000 Jason Eckhardt <jle@cygnus.com>
8632 * config/i860/i860.md (untyped_call expander): Use GEN_CALL
8633 instead of gen_call.
8635 Sun Jul 23 11:52:03 2000 George Helffrich (george@gly.bris.ac.uk)
8637 * dbxout.c (dbxout_type, case COMPLEX_TYPE): Fix length field in stab.
8639 2000-07-23 Kazu Hirata <kazu@hxi.com>
8641 * h8300.c: Fix formatting.
8643 2000-07-23 Joseph S. Myers <jsm28@cam.ac.uk>
8645 * c-typeck.c (c_expand_start_case): Change -Wtraditional pedwarn
8646 for `long' switch expression into a plain warning.
8648 * c-lex.c (init_lex): Keep the "inline" keyword in C99 mode.
8649 (yylex): Don't pedwarn for "inline" in C99 mode.
8651 * bitmap.c (debug_bitmap_file): Cast pointers to PTR for printing
8653 * ggc-page.c (debug_print_page_list, alloc_page, free_page,
8654 ggc_alloc): Likewise.
8655 * bb-reorder.c (dump_scope_forest_1): Likewise.
8657 2000-07-22 Aldy Hernandez <aldyh@redhat.com>
8659 * reload.c (find_reloads_toplev): Add new parameter
8661 (find_reloads): Add new parameter to find_reloads_toplev calls.
8663 2000-07-22 Jeffrey Oldham <oldham@codesourcery.com>
8665 * collect2.c (main): Typo fixed.
8666 * diagnostic.c: Typo fixed.
8667 * dwarf2out.c (dwarf2out_frame_debug_expr): Typo fixed.
8668 * eh-common.h: Typo fixed.
8669 * emit-rtl.c (start_sequence): Typo fixed.
8670 * flow.c (find_label_refs): Typo fixed.
8671 (calculate_global_regs_live): Typo fixed.
8672 (mark_regno_cond_dead): Typo fixed.
8673 (create_edge_list): Typos fixed.
8674 (verify_edge_list): Typo fixed.
8675 * ggc-common.c (ggc_mark_rtx_children): Typo fixed.
8676 * loop.c (strength_reduce): Typo in function name fixed.
8677 * rtl.h: Added comments. Typo in function name fixed.
8678 * rtlanal.c: Typo in function name fixed.
8679 (insn_dependant_p): Rename to ...
8680 (insn_dependent_p): ... this.
8681 (computed_jumo_p): Typo fixed.
8683 2000-07-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8685 * system.h (__FUNCTION__): Wrap definition in #ifndef.
8687 2000-07-21 David Edelsohn <edelsohn@gnu.org>
8689 * rs6000.h (SIZE_TYPE): Define.
8691 2000-07-21 Mark Mitchell <mark@codesourcery.com>
8693 * ssa.c (rename_insn_1): Don't rename registers that are
8696 2000-07-21 Zack Weinberg <zack@wolery.cumb.org>
8698 * diagnostic.c (trim_filename, fancy_abort): Moved here from
8700 (fatal_function, set_fatal_function): Removed.
8701 (fatal): Don't prepare for or call the fatal_function.
8702 (diagnostic_lock, error_recursion): New.
8703 (diagnostic_for_decl, report_diagnostic): Guard against
8704 re-entering the error reporting routines.
8705 (fancy_abort): Assume function is not NULL.
8707 * errors.c (fancy_abort): New. Assume function is not NULL.
8708 * tradcpp.c (fancy_abort): Assume function is not NULL.
8710 * system.h: Provide default definition of __FUNCTION__.
8711 * rtl.h: Use __FUNCTION__ not __PRETTY_FUNCTION__ throughout.
8712 Always use __FUNCTION__ in definition of abort.
8714 * varray.h: Likewise.
8715 * toplev.h: Likewise. Don't prototype set_fatal_function.
8717 2000-07-20 Geoff Keating <geoffk@cygnus.com>
8719 * config/rs6000/aix43.h (CPP_SPEC): Define __LONG_MAX__ correctly
8721 * glimits.h: Don't do #if defined for ARCH_PPC.
8723 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): All
8724 constants of size no larger than a pointer should go in the TOC.
8725 Add 'MODE' parameter.
8726 (LEGITIMIZE_RELOAD_ADDRESS): Add MODE parameter to
8727 ASM_OUTPUT_SPECIAL_POOL_ENTRY_P.
8728 (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Likewise.
8729 * config/rs6000/aix.h (SELECT_RTX_SECTION): Likewise.
8730 * config/rs6000/netware.h (SELECT_RTX_SECTION): Likewise.
8731 * config/rs6000/rs6000.c (constant_pool_expr_1): Likewise.
8732 (rs6000_legitimize_address): Likewise.
8733 (rs6000_emit_move): Likewise.
8734 (rs6000_select_rtx_section): Likewise.
8735 (output_toc): Deal properly with outputting small constants like
8736 HImode, and SFmode in 32-bit mode, and DFmode in 64-bit mode.
8737 * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Add
8738 MODE parameter. Put small constants in the TOC.
8740 * config/rs6000/rs6000.c (easy_fp_constant_p): All constants are
8742 (rs6000_emit_move): When reload calls us with an illegitimate
8743 address, exit early. Move the change_address calls to one place
8744 at the end of the routine. Merge the SImode and DImode expanders.
8745 When called by reload to put an integer into a FP register, force
8748 * config/rs6000/rs6000.c (struct toc_hash_struct): Add 'key_mode'
8750 (rs6000_hash_constant): Hash mode too.
8751 (toc_hash_function): Allow for key_mode.
8752 (toc_hash_eq): Structures are different if key_mode differs.
8753 (output_toc): Add 'mode' parameter. Save key_mode.
8754 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY):
8755 Pass 'mode' parameter.
8756 * config/rs6000/rs6000-protos.h (output_toc): Add 'mode' param.
8758 * config/rs6000/rs6000.c (output_toc): Use RS6000_OUTPUT_BASENAME
8759 for vtable references.
8761 * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): If we have a
8762 choice, don't put integer values in FP regs.
8764 Thu Jul 20 18:13:52 2000 Jeffrey A Law (law@cygnus.com)
8766 * flow.c (verify_flow_info): Revamp code to verify that the
8767 head and end of each basic block are in the insn chain.
8769 Thu Jul 20 18:02:35 2000 Michael Matz <matzmich@cs.tu-berlin.de>
8771 * gcse.c (record_one_set): Prepend instead of append onto
8772 reg_set_table, making it O(n) instead O(n^2).
8773 * lcm.c (compute_antinout_edge,compute_laterin,compute_available):
8774 Use a queue instead of a stack as worklist.
8776 2000-07-20 Kazu Hirata <kazu@hxi.com>
8778 * h8300.c (two_insn_adds_subs_operand): Fix a typo.
8779 * h8300.h (OK_FOR_T): New.
8780 (EXTRA_CONSTRAINT): Support OK_FOR_T.
8781 * h8300.md: Use inc/dec.[wl] for increment/decrement
8782 by 1 and 2 in HI and SI modes.
8784 2000-07-20 Jim Wilson <wilson@cygnus.com>
8786 * config/ia64/ia64.h (ASM_OUTPUT_MI_THUNK): Handle DELTA values
8787 larger than 14 bits.
8789 2000-07-20 Zack Weinberg <zack@wolery.cumb.org>
8791 * cppmacro.c (CAN_PASTE_AFTER): New macro.
8792 (count_params): Don't set GNU_REST_ARGS on anything.
8793 (save_expansion): Set PASTE_LEFT only on tokens for which
8794 CAN_PASTE_AFTER is true, or which are named operators.
8796 * cpplex.c (parse_args): Distinguish between a rest argument
8797 given one empty argument, and a rest argument given zero arguments.
8798 (maybe_paste_with_next): Look for VOID_REST tag, and trigger
8799 deletion of previous token based on that.
8800 (get_raw_token): Flatten some control structure.
8802 * cpplib.h (CPP_LAST_EQ): Correct.
8803 (VOID_REST): New token flag.
8804 (GNU_REST_ARGS): Delete.
8806 * tradcpp.c (main): Don't munge -D options.
8807 (make_definition): Bring -D handling in line with cpplib.
8808 (do_define): Strip all leading whitespace from macro definitions.
8810 2000-07-20 David Billinghurst <David.Billinghurst@riotinto.com.au>
8812 * Makefile.in (tradcpp): Depend on intl.o and version.o.
8814 2000-07-20 Bruce Korb <bkorb@gnu.org>
8816 * fixincl/check.tpl: strip the platform specific types before testing
8817 * fixincl/fixfixes.c(gnu_type_fix): use platform specific types
8818 * fixincl/fixincl.tpl: use platform specific types
8819 * fixincl/fixlib.h: include the platform specific types
8820 * fixincl/inclhack.def(gnu_types): don't supply the types
8821 * fixincl/fixincl.x: regen
8823 2000-07-19 Jim Wilson <wilson@cygnus.com>
8825 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): Don't allow XFmode in
8828 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
8830 * tradcpp.c (rescan): Do not recognize directives when the #
8833 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
8835 Implement C++ named operators.
8837 * cpplib.h (TTYPE_TABLE): Move CPP_MIN and CPP_MAX into block
8838 of operators allowed in #if and having an _EQ variant. Add
8839 CPP_MIN_EQ, CPP_MAX_EQ, and CPP_DEFINED.
8840 (cpp_token flags): Add NAMED_OP.
8841 (enum node_type): Add T_OPERATOR.
8842 (struct cpp_hashnode): Add code slot to value union.
8843 * cpphash.h (spec_nodes): Remove n_defined.
8845 * cpplex.c (lex_line): Convert T_OPERATOR nodes to their proper types.
8846 (spell_token, can_paste, maybe_paste_with_next): Handle named operators.
8847 (is_macro_disabled): Tweak error messages.
8849 * cpplib.c (get_define_node): Disallow all named operators as
8850 macro names. Tweak error messages.
8851 (_cpp_init_stacks): Don't set up spec_nodes->n_defined.
8853 * cppinit.c (builtin_array): Add entries for the named operators.
8854 * cppexp.c (lex): Check for CPP_DEFINED token.
8855 (priority table): Add entries for CPP_MIN and CPP_MAX.
8856 (_cpp_parse_expr): Handle CPP_MIN and CPP_MAX.
8858 2000-07-19 Bernd Schmidt <bernds@cygnus.co.uk>
8860 * gcse.c (INSN_CUID): If ENABLE_CHECKING, abort if the uid is
8861 larger than the array of cuids.
8862 (alloc_gcse_mem): Use uid_cuid rather than INSN_CUID when computing
8865 2000-07-19 Bruce Korb <bkorb@gnu.org>
8867 * fixinc/fixincl.c: Convert to using a table of environment variables
8868 and activate the auto-edit marker on the fixed output files.
8869 * fixinc/fixlib.h: Define the environment table
8870 * fixinc/fixincl.sh: export the ${INPUT} dir
8871 * fixinc/check.tpl: likewise
8873 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
8875 * gcc.c (.h spec): Fix typo.
8877 Wed Jul 19 01:22:15 CEST 2000 Marc Espie <espie@cvs.openbsd.org>
8879 * Makefile.in: Fix tradcif.c path.
8881 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
8883 * cpplib.h (TTYPE_TABLE): Rearrange to use only two per-entry
8886 * cpphash.h (TOKEN_NAME): New macro.
8887 (_cpp_spell_operator): Deleted.
8888 (token_spellings): Now _cpp_token_spellings.
8890 * cppexp.c: Use TOKEN_NAME or TYPE_NAME, not _cpp_spell_operator.
8891 * cpplex.c: Use OP and TK macros when expanding the
8892 TTYPE_TABLE. Eliminate token_names. For non-OPERATOR tokens,
8893 store the stringification of the enumeration name (CPP_CHAR,
8894 etc.) in the name slot of token_spellings.
8895 Use TOKEN_NAME and/or TOKEN_SPELL, do not reference
8896 token_spellings directly.
8897 * cpplib.c: Use TOKEN_SPELL.
8899 * cpplex.c (_cpp_push_token): If the token being pushed back
8900 is the previous token in this context, just subtract one from
8902 * cppmacro.c (save_expansion): Clear aux field when storing a
8905 2000-07-18 Jakub Jelinek <jakub@redhat.com>
8907 * cpplex.c (cpp_scan_buffer): Output line command even at the stop
8908 buffer, provided it is not NULL.
8910 2000-07-18 Alexandre Oliva <aoliva@redhat.com>
8912 * c-decl.c (duplicate_decls): Do not call make_var_volatile() in
8913 case of invalid volatile re-declaration.
8915 2000-07-18 Jakub Jelinek <jakub@redhat.com>
8917 * calls.c (store_arg): Return non-zero if sibcall_failure is desired.
8918 (expand_call): Adjust caller.
8920 2000-07-17 Gabriel Dos Reis <gdr@codesourcery.com>
8922 * diagnostic.h (report_diagnostic): Change prototype.
8924 * diagnostic.c (output_do_verbatim, diagnostic_for_asm,
8925 diagnostic_for_decl): Change prototype.
8926 (error_with_decl, warning_with_decl, pedwarn_with_decl, warning,
8927 error, warning, error_with_file_and_line,
8928 warning_with_file_and_line, pedwarn_with_file_and_line, fatal):
8929 Adjust call to report_diagnostic, diagnostic_for_decl.
8930 (error_for_asm, warning_for_asm): Adjust call to diagnostic_for_asm.
8931 (output_verbatim, verbatim): Adjust call to output_do_verbatim.
8933 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic. End
8934 varaible argument list.
8936 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
8938 * cpphash.c: Don't include hashtab.h. Most macro-handling code
8939 moved to cppmacro.c.
8940 (hash_HASHNODE, eq_HASHNODE, _cpp_dump_macro_hash,
8941 dump_hash_helper): Delete.
8942 (expand_hash, higher_prime_number, _cpp_lookup_with_hash,
8943 cpp_forall_identifiers): New. Implement specialized version of
8944 Vlad's expandable hash table.
8945 (cpp_lookup): Use new functions.
8946 (_cpp_init_macros, _cpp_cleanup_macros): Adjust for new
8948 * cppmacro.c: New file.
8949 * cppinit.c (dump_macros_helper): New.
8950 (cpp_finish): Iterate over the identifier table directly.
8951 * cpplex.c (parse_name): Calculate the hash of the identifier
8952 while we scan it. Use _cpp_lookup_with_hash when we can.
8954 * cpphash.h: Update prototypes.
8955 (xcnewvec, HASHSTEP): New helper macros.
8956 * cpplib.h: Update prototypes.
8957 * Makefile.in (LIBCPP_OBJS): Add cppmacro.o.
8958 (cppmacro.o): New rule.
8959 (cpphash.o): Update deps.
8961 * cppmain.c: Do not set pfile->printer if no_output is on.
8963 2000-07-15 Neil Booth <neilb@earthling.net>
8965 * cpplib.c: Change all directive-handler functions to return
8967 * cpphash.h: Update typedefs.
8969 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
8971 * configure: Regenerate.
8973 * extend.texi (Extended Asm): Mention that a memory clobber
8974 does not count as a side-effect.
8976 * unroll.c (copy_loop_body): Fix one instance of using host
8977 arithmetic on the target; fixes loop-4 on a 32-bit -> 64-bit
8980 * tlink.c (scan_linker_output): Tweak for output of AIX ld.
8982 2000-07-17 Richard Henderson <rth@cygnus.com>
8984 * config/ia64/ia64.md (movdi): Split out load address code.
8985 New post-reload splitter for symbolic operands.
8986 (movdi_internal): Abort if we didn't split symbolic operands
8987 when we should have.
8988 * config/ia64/ia64.c (ia64_expand_load_address): New, from movdi bits.
8989 (ia64_reorg): Split insns when not optimizing.
8990 * config/ia64/ia64-protos.h (ia64_expand_load_address): Declare.
8992 Mon Jul 17 23:43:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
8994 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Use LONG_DOUBLE_TYPE_SIZE
8995 instead of MAX_LONG_DOUBLE_TYPE_SIZE to decide output format.
8997 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
8999 * loop.c (check_dbra_loop) : Changed loop_continue to loop->cont.
9001 2000-07-17 Jason Merrill <jason@redhat.com>
9003 * Makefile.in (clean): Remove libgcc directory.
9005 * configure.in (-Wno-long-long check): Use higher-level macros.
9007 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
9009 * simplify-rtx.c (simplify_binary_operation): Recognize
9010 (compare (gt[u] (cc) 0) (lt[u] (cc) 0)).
9011 (simplify_ternary_operation): Do not examine MODE_BITSIZE of
9012 a CONST_INT, it will always be zero.
9014 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
9016 * loop.c (check_dbra_loop) : Return if more than one condition is
9017 present to control the loop.
9019 Mon Jul 17 08:26:35 2000 Clinton Popetz <cpopetz@cygnus.com>
9021 * mips.c (mips_expand_prologue): Don't calculate the last argument
9022 register unless we need it. When we are calculating this, make
9023 sure FUNCTION_ARG is giving us a REG.
9025 2000-07-17 Stephane Carrez <Stephane.Carrez@worldnet.fr>
9027 * flow.c (libcall_dead_p): Use single_set to verify the insn
9028 has only one set and get for analysis.
9029 (propagate_one_insn): Don't pass the PATTERN of the insn.
9031 2000-07-17 Mark Klein <mklein@dis.com>
9033 * pa.c (emit_hpdiv_const): Update to match new pattern for udivsi3.
9035 2000-07-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
9037 * Makefile.in (TARGET_GETGROUPS_T): New configuration variable.
9038 * configure.in (TARGET_GETGROUPS_T): Evaluate.
9039 * sys-protos.h (getgroups): Use TARGET_GETGROUPS_T for array type
9040 of second argument of getgroups.
9041 * configure, config.in: Rebuilt.
9043 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
9045 * simplify-rtx.c (simplify_relational_operation): Two signed
9046 values with equal high words are less/greater than each other if
9047 their low words are less/greater when considered as unsigned.
9049 Mon Jul 17 02:37:06 2000 Marc Espie <espie@openbsd.org>
9051 * configure.in (vax-*-openbsd): Change to new style configuration,
9052 add collect2/float_format information.
9053 * configure: Rebuilt.
9054 * config/vax/openbsd1.h: New.
9055 * config/vax/openbsd.h: New.
9056 * config/vax/t-openbsd: New.
9058 2000-07-17 Chip Salzenberg <chip@valinux.com>
9060 * c-common.c (shorten_compare): Quiet warnings about unsigned
9061 comparisons with zero when they occur in a system header.
9063 2000-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
9065 * invoke.texi (-pedantic): Refer to ISO C instead of ANSI C, and
9066 update to describe current practice.
9068 * glimits.h (LLONG_MIN, LLONG_MAX, ULLONG_MAX): Define for C99.
9070 * contrib.texi, cpp.texi, extend.texi, invoke.texi: Update
9071 references to C9X. Change references to -fstd and -flang-isoc9x
9074 * c-common.c (scan_char_table): Allow "z" length modifiers on
9076 (check_format_info): Use TYPE_DOMAIN on the type matched against
9077 for "z" formats, to retrieve the language size_t rather than the
9080 * c-common.c (check_format_info): Do not make a pedantic objection
9081 to the 'L' length modifier if used with a floating point type
9084 * c-lex.c (yylex): Don't pedwarn for hexadecimal floating point
9085 constants in C99 mode.
9087 2000-07-17 Kazu Hirata <kazu@hxi.com>
9089 * h8300.md: Fix the format of mac.
9090 (movsi_h8300hs): Output a tab after stmac instead of a space.
9092 * h8300.c (two_insn_adds_subs_operand): Improve code for detecting
9093 profitable adds/subs sequences.
9095 * fold-const.c: Fix comment typos.
9097 2000-07-16 Laurynas Biveinis <lauras@softhome.net>
9099 * cppfiles.c (read_name_map): Set map_list_ptr->map_list_map to NULL.
9101 2000-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9103 * fixinc/fixfixes.c (emit_gnu_type): Avoid string concatenation.
9105 2000-07-16 Neil Booth <NeilB@earthling.net>
9107 * cpplex.c: Update comments.
9108 * README.Portability: Small update.
9110 2000-07-16 Neil Booth <NeilB@earthling.net>
9112 * README.Portability: Small update.
9114 2000-07-15 Richard Henderson <rth@cygnus.com>
9116 * config/ia64/ia64-protos.h (ia64_move_ok): Prototype.
9117 * config/ia64/ia64.c (ia64_move_ok): New function.
9118 * config/ia64/ia64.md (movqi, movqi_internal): Use it.
9119 (movhi, movsi, movdi, movsf, movdf, movxf): Likewise.
9121 2000-07-15 Zack Weinberg <zack@wolery.cumb.org>
9123 * cpphash.c (save_expansion): Clear PREV_WHITE on tokens
9124 immediately following a paste operator.
9125 * cppinit.c (sort_options): New function (only for HOST_EBCDIC).
9126 (cpp_reader_init): Call it, if HOST_EBCDIC.
9127 (cpp_handle_options): Do not sort option list here.
9128 (handle_option): Rename to cpp_handle_option and export.
9129 * cpplex.c (cpp_scan_buffer_nooutput, cpp_scan_buffer): Use
9130 _cpp_get_token directly.
9131 (cpp_scan_line): Return 0 at EOF, 1 otherwise.
9132 * cpplib.c (cpp_push_buffer): Don't set new->lineno to 1.
9133 * cpplib.h: Prototype cpp_handle_option. Update prototype of
9136 2000-07-15 Richard Henderson <rth@cygnus.com>
9138 * fold-const.c (extract_muldiv): Don't optimize past an unsigned
9139 cast around an expression. Tidy other unsigned tests.
9141 2000-07-15 Gabriel Dos Reis <gdr@codesourcery.com>
9143 * diagnostic.c (doing_line_wrapping, line_wrapper_printf, notice,
9144 v_error_with_decl, v_warning_with_decl, v_pedwarn_with_decl): Remove.
9145 (v_message_with_decl): Rename to ...
9146 (format_with_decl): ... this. Tweak
9147 (diagnostic_for_decl): New function.
9148 (fatal_io_error): Use verbatim in lieu of notice.
9149 (announce_function): Use verbatim.
9150 (default_print_error_function): Likewise.
9151 (error_with_decl, warning_with_decl, pedwarn_with_decl): Use new
9154 2000-07-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9156 * mips.c (function_arg_pass_by_reference): Don't do automatic
9157 aggregate initialization.
9158 (machine_dependent_reorg): Initialize variable `mode'.
9160 * mips.md (absdi2): Change variable `regno1' to unsigned int.
9161 (reload_indi): Rename loword/hiword to lo_word/hi_word to avoid
9162 conflicts with sys/param.h macro of the same name.
9163 (reload_outdi): Likewise.
9165 2000-07-15 Michael Meissner <meissner@redhat.com>
9167 * fold-const.c (fold): When optimizing FOO++ == CONST into ++FOO
9168 == CONST + INCREMENT, don't overwrite the tree node for FOO++,
9169 create a new node instead.
9171 2000-07-15 Neil Booth <NeilB@earthling.net>
9173 * README.Portability: Correct example about calling a function
9174 through a pointer to function. Format wide paragraphs.
9176 2000-07-15 Michael Meissner <meissner@redhat.com>
9178 * README.Portability: Update integer suffixes and function
9181 2000-07-15 Neil Booth <NeilB@earthling.net>
9183 * README.Portability: Small update.
9185 2000-07-15 Neil Booth <NeilB@earthling.net>
9187 * README.Portability: New file.
9189 Fri Jul 14 18:13:53 2000 Mark P Mitchell <mark@codesourcery.com>
9191 * INSTALL: Give special instructions for building GCC on Irix 6.
9192 * config/mips/x-iris6 (CC): Don't set it.
9195 2000-07-14 Jason Merrill <jason@redhat.com>
9197 * dwarf2out.c (dwarf2out_frame_debug_expr): If we store the CFA
9198 register in the stack and later in another register, use the new
9201 Fri Jul 14 10:25:53 2000 Clinton Popetz <cpopetz@cygnus.com>
9203 * config/mips/mips.md: (absdi2): Handle sign_extend for
9206 2000-07-14 Nathan Sidwell <nathan@codesourcery.com>
9208 * cpplib.c (do_pragma_dependency): Tidy warning messages.
9210 2000-07-14 Zack Weinberg <zack@wolery.cumb.org>
9212 * .cvsignore: Correct typo.
9214 2000-07-13 Mark Mitchell <mark@codesourcery.com>
9216 * .cvsignore: Add generated YACC files.
9217 * objc/.cvsignore: New file.
9219 2000-07-14 Neil Booth <NeilB@earthling.net>
9221 * cpplex.c (adjust_column): New funcion.
9222 (skip_whitespace): Use it.
9223 (skip_block_comment): Use it, and warn about /*/* with
9226 2000-07-14 Neil Booth <NeilB@earthling.net>
9228 * cpphash.c (struct macro_info): Add new members.
9229 (_cpp_free_definition): Delete the macro directly.
9230 (count_params): Return void, with first token of
9231 expansion in struct macro_info on success.
9232 (parse_define): Return int. Hoist syntax checking from
9233 save_macro_expansion. Leave call to save_expansion to
9234 _cpp_create_definition.
9235 (alloc_macro): Needs just 2 arguments.
9236 (free_macro): Delete.
9237 (save_expansion): Don't perform syntax check.
9238 (_cpp_create_definition): Call save_expansion.
9240 2000-07-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9242 * genrecog.c (write_header): Split long string.
9244 * cpphash.c (macro_info): Don't use the `signed' keyword.
9246 * system.h (alloca): Prototype if __GNUC__ && __SIZE_TYPE__.
9248 2000-07-13 Jakub Jelinek <jakub@redhat.com>
9250 * calls.c (stored_args_map): New variable.
9251 (check_sibcall_argument_overlap_1): New.
9252 (check_sibcall_argument_overlap): New.
9253 (expand_call): Initialize stored_args_map.
9254 Call check_sibcall_argument_overlap.
9256 2000-07-13 Bruce Korb <bkorb@gnu.org>
9258 * fixinc/fixfixes.c: move EXIT_BROKEN to header, add sub-expr max count
9259 (emit_gnu_type): utility procedure for gnu_type_fix
9260 (gnu_type_fix): implement various pre-processor guards around
9261 standard types so these types can be defined over and over
9262 * fixinc/fixincl.tpl: add a "gnu_type_map" that forces the standard
9263 types alluded to above will have GNU-compliant base types
9264 * fixinc/fixlib.h: add EXIT_BROKEN define and the gnu_type_map struct
9265 * fixinc/inclhack.def: add test_text entries and utilize the new
9266 "gnu_types" fix for the ptrdiff_t, size_t and wchar_t types.
9267 * fixinc/fixincl.x: regenerate
9269 2000-07-12 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
9271 * diagnostic.c (vline_wrapper_message_with_location,
9272 v_message_with_file_and_line, v_error_with_file_and_file,
9273 v_error_for_asm, v_warning_for_asm, vfatal,
9274 v_warning_with_file_and_line, v_pedwarn_with_file_and_line,
9275 vsorry, verror, vwarning, vpedwarn): Remove.
9276 (diagnostic_for_asm): New function.
9277 (pedwarn, error, warning, pedwarn_with_file_and_line,
9278 error_with_file_and_line, warning_with_file_and_line, sorry,
9279 error_for_asm, warning_for_asm, fatal): Reimplement.
9280 (finish_diagnostic): Clear diagnostic info as well.
9282 2000-07-13 Neil Booth <NeilB@earthling.net>
9284 * c-common.h (flag_digraphs): New.
9285 * c-decl.c (c_decode_option): Set flag_digraphs as appropriate.
9286 * c-lex.c (yylex): Use flag_digraphs to decide whether to
9289 2000-07-13 Zack Weinberg <zack@wolery.cumb.org>
9291 * gcc.c (do_spec_1): Add new %B operator.
9292 (set_input): Prepare for %B.
9294 (link_command_spec): Move up with the other tm.h-
9295 overrideable specs. Factor out the portion conditional on
9296 LINK_LIBGCC_SPECIAL into a new spec, %(link_libgcc).
9297 (struct compiler): Just have a single spec string. All users
9299 (default_compilers): Remove unnecessary braces.
9300 (static_specs): Update.
9302 (trad_capable_cpp, cpp_options, cc1_options, asm_options): New
9304 (C and assembly specs): Use the new named specs, as appropriate.
9306 * objc/lang-specs.h: Use the new named specs.
9307 Remove unnecessary braces.
9309 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
9311 * gcc.c (execute): If a subprocess gets a fatal signal, report
9312 strsignal() of the signal number, and ask for a bug report.
9313 Do not do this for SIGPIPE if there's already been an error.
9315 * tradcpp.c: Don't include signal.h. Don't catch SIGPIPE.
9318 * tradcif.c: Remove.
9320 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
9322 * final.c (profile_function): Do not emit profile counters in
9323 the data section, if NO_PROFILE_COUNTERS is defined.
9324 * tm.texi: Document NO_PROFILE_COUNTERS. Update doc for
9327 * config/i386/linux.h (NO_PROFILE_COUNTERS): Define.
9328 (FUNCTION_PROFILER): Just emit a call to mcount.
9330 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
9332 * tradcpp.c (main): Rename 'perror' label to 'sys_error'.
9334 * cppexp.c, cpphash.c, cpphash.h, cppinit.c, cpplex.c,
9335 cpplib.c, cpplib.h: Eradicate all traces of code dependent on
9336 traditional, lang_chill, or lang_fortran.
9338 * cppfiles.c: #undef strcmp to suppress warning about macros
9339 used without arguments.
9340 (_cpp_execute_include): Use f, not fname, in "No include path"
9342 (_cpp_pop_file_buffer): New function.
9343 * cpplib.c: Don't include <sys/mman.h>.
9344 (cpp_push_buffer): Set line_base and lineno in new buffer.
9345 (cpp_pop_buffer): Use _cpp_pop_file_buffer.
9347 * cpplex.c: Move all prototypes and structure declarations to the
9348 top of the file. Properly parenthesise some macro arguments.
9349 (cpp_scan_line): New function.
9350 (special_symbol [case T_INCLUDE_DEPTH]): Use pfile->include_depth,
9351 don't need to walk up the stack counting.
9353 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9355 * c-common.c (combine_strings): Emit a pedantic warning when a
9356 string length is greater than the minimum ANSI C is required
9359 Wed Jul 12 13:24:30 2000 Jeffrey A Law (law@cygnus.com)
9361 * pa/xm-pa64.h (NO_SYS_SIGLIST): Kill.
9362 * d30v/xm-d30v.h (NO_SYS_SIGLIST): Kill.
9364 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9366 * c-decl.c (define_label): Warn about identifier conflicts with
9367 labels in traditional C.
9369 * c-parse.in (unop +): Warn about the unary plus operator for
9372 * c-typeck.c (store_init_value): Warn about automatic aggregate
9373 initialization for traditional C.
9375 * invoke.texi (-Wtraditional): Document new warnings.
9377 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
9379 * Makefile.in (c-errors.o): Fix thinko in dependency.
9381 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
9383 * gcc.c (C specs [!USE_CPPLIB]): Invoke tradcpp if any of
9384 -traditional, -ftraditional, or -traditional-cpp was given.
9385 Do not pass -traditional to the preprocessor.
9386 (.S spec): Likewise. Don't bother defining __ASSEMBLER__, the
9387 preprocessor does it automatically.
9388 * objc/lang-specs.h: Likewise. Don't bother defining __OBJC__.
9390 * ch/lang-specs.h: Always use tradcpp. Do not pass
9391 -traditional, -trigraphs, or -pedantic to the preprocessor.
9392 * f/lang-specs.h (.F spec): Likewise. Don't bother defining
9395 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
9397 * cppexp.c (LOGICAL): Delete macro.
9398 (_cpp_parse_expr): Do not use UNARY for unary +. Implement ||
9401 * cpphash.c (HASHSIZE): Increase to 4096.
9402 (struct hashdummy): Add hash field.
9403 (eq_HASHNODE): Compare unreduced hashes, then lengths, then
9404 the string values using memcmp.
9405 (cpp_lookup): Set dummy.hash.
9407 Wed Jul 12 13:15:16 2000 Marc Espie <espie@openbsd.org>
9409 * configure.in (m88k-openbsd): Express configuration using new fragment
9411 * configure: Rebuilt.
9412 * m88k/aout-dbx.h: New.
9413 * m88k/openbsd.h: New.
9414 * m88k/xm-openbsd.h: New.
9416 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9418 * expr.c (expand_expr): Return const0_rtx, not error_mark_node.
9420 2000-07-12 Richard Henderson <rth@cygnus.com>
9422 * reload.c (push_secondary_reload): Make sure to add the new
9423 reload at the end, after acquiring secondary memory.
9425 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9427 * cpplex.c (is_macro_disabled): Use CPP_WTRADITIONAL.
9429 * c-decl.c (set_current_function_name_declared, anon_aggr_type_p,
9430 lang_expand_stmt): Mark parameters with ATTRIBUTE_UNUSED.
9432 * c-parse.in (stmt): Delete unused variables.
9434 * convert.c (convert_to_vector): Likewise.
9436 * gensupport.c (process_rtx): Declare attr as `rtvec' not `rtx'.
9438 * tree.c (finish_vector_type): Prototype.
9440 2000-07-12 Bruce Korb <bkorb@gnu.org>
9442 * fixinc/fixfixes.c: use xmalloc
9443 * fixinc/fixincl.c(initialize): set program name for xmalloc
9444 * fixinc/fixlib.c(must_malloc): obsolete
9445 (is_cxx_header): no longer used - disabled
9446 (skip_quote): inserted and disabled for future use
9447 * fixinc/fixlib.h: reflects above
9448 * fixinc/fixtests.c: removed dinkleberries
9450 2000-07-12 Neil Booth <NeilB@earthling.net>
9452 * cpphash.h: (TOKEN_SPELL) Pulled from cpplex.c.
9453 * cpplex.c (TOKEN_SPELL) Move to cpphash.h.
9455 * cpphash.c: (struct macro_info, alloc_macro, free_macro,
9456 struct toklist_dummy): New.
9457 (cpp_free_definition): Free macros with free_macro.
9458 (count_params): Don't save paramter spellings. Save macro
9459 information in a struct macro_info.
9460 (parse_define): Don't allocate a token list.
9461 (save_expansion): Allocate the macro's token list, and
9462 save parameter spellings if necessary. Use TOKEN_SPELL.
9463 (cpp_create_definition): Make list const.
9465 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
9467 * c-typeck.c (pedwarn_c99): Move to
9468 * c-errors.c: ... Here.
9469 * toplev.h (verror, vwarning, vpedwarn): Remove prototypes.
9470 * diagnostic.c (verror, vwarning, vpedwarn): Make static.
9471 * Makefile.in (C_AND_OBJC_OBJS): Include c-errors.o
9472 (c-errors.o): List dependency.
9474 2000-07-12 Mark Mitchell <mark@codesourcery.com>
9476 * c-parse.c: Remove.
9477 * c-parse.h: Likewise.
9478 * c-parse.y: Likewise.
9479 * objc/objc-parse.c: Likewise.
9480 * objc/objc-pasre.y: Likewise.
9482 2000-07-11 Rodney Brown <RodneyBrown@pmsc.com>
9484 * gcc.texi: Fix minor typos
9485 * extend.texi: Fix minor typos
9487 2000-07-11 Marc Espie <espie@openbsd.org>
9489 * collect2.c (main): Recognize .lo as object files.
9491 2000-07-11 J. David Anglin <dave@hiauly1.hia.nrc.ca>
9493 * pa.c (hppa_encode_label): Store labels in gc memory when ggc_p is
9496 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Extend test to detect systems
9497 with MAP_ANONYMOUS and MAP_ANON.
9498 * configure, config.in: Rebuilt.
9500 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
9502 * diagnostic.c (save_output_state): Remove.
9503 (restore_output_state): Likewise.
9504 (clear_text_info): New function.
9505 (clear_diagnostic_info): Likewise.
9506 (output_text_length, is_starting_newline, output_prefix,
9507 line_wrap_cutoff, ideal_line_wrap_cutoff, prefix_was_emitted_for,
9508 prefixing_policy, output_buffer_ptr_to_format_args): New macros
9509 (set_real_maximum_length, output_set_maximum_length,
9510 output_set_prefix, output_get_prefix, output_set_maximum_length,
9511 output_destroy_prefix, init_output_buffer,
9512 reshape_diagnostic_buffer, output_space_left, output_emit_prefix,
9513 output_add_newline, output_add_character, output_add_space,
9514 output_append_r, output_append, wrap_text, output_format,
9515 output_do_printf, output_printf, output_do_verbatim,
9516 output_verbatim, verbatim): Use them.
9517 (output_clear): Split into cleat_text_info and
9518 clear_diagnostic_info.
9519 (struct output_state): Move to...
9521 * diagnostic.h: ...Here
9522 (struct output_buffer): Adjust.
9524 2000-07-11 Zack Weinberg <zack@wolery.cumb.org>
9526 * cpplex.c (parse_name): No longer inline (premature optimization).
9527 (do_pop_context): Fold into pop_context.
9528 (pop_context): Returns int.
9529 (lex_next): Hoist test for end of directive into pop_context.
9530 (push_macro_context): Returns int; takes just reader and token.
9531 Hoist test for excessive nesting to caller.
9532 (push_arg_context): Returns void; takes just reader and token.
9533 Do not call stringify_arg or get_raw_token.
9534 (get_raw_token): Convert tail recursion through push_arg_context
9535 to a loop at this level. Call stringify_arg here if appropriate.
9536 (maybe_paste_with_next): Convert tail recursion to a while loop.
9537 Hoist test of paste_level to caller.
9539 (stringify_arg): Push arg context at beginning.
9540 (cpp_get_token): Split out core into _cpp_get_token. Call
9541 process_directive here. Throw away CPP_PLACEMARKER tokens.
9542 (_cpp_get_token): Convert tail recursion through
9543 push_macro_context to a loop at this level.
9544 (_cpp_glue_header_name, is_macro_disabled, stringify_arg,
9545 _cpp_get_raw_token): Use _cpp_get_token.
9546 (_cpp_skip_rest_of_line): Drop the context stack directly; do
9547 not call pop_context.
9548 (_cpp_run_directive): Call lex_next directly.
9550 * cpphash.h: Prototype _cpp_get_token.
9551 * cppexp.c (lex): Use it.
9552 * cpphash.c (parse_define): Use it.
9553 * cpplib.c (get_define_node, do_undef, parse_include,
9554 read_line_number, do_line, do_ident, do_pragma, do_pragma_gcc,
9555 do_pragma_implementation, do_pragma_poison, do_pragma_dependency,
9556 parse_ifdef, validate_else): Use it.
9557 (cpp_push_buffer): Tweak error message; abort if anyone tries
9558 to push a buffer while macro expansions are stacked.
9560 2000-07-11 Donn Terry <donnte@microsoft.com>
9562 * cpplex.c (free_macro_args, save_token): Cast arg of free
9563 and/or xrealloc to PTR.
9564 (_cpp_init_input_buffer): Clear all fields of the base context.
9566 Tue Jul 11 15:28:21 CDT 2000 Clinton Popetz <cpopetz@cygnus.com>
9568 * gensupport.c (process_rtx): Make rtl checking stop
9569 complaining about the define_insn while it is being
9570 converted from a define_insn_and_split.
9572 Tue Jul 11 16:26:17 2000 Clinton Popetz <cpopetz@cygnus.com>
9574 * config/mips/mips.c (simple_memory_operand): Access the
9575 INTVAL of the address, not it's containing MEM.
9577 2000-07-11 Bruce Korb <bkorb@gnu.org>
9579 * fixinc/fixtests.c(double_slash): obsolete
9580 (else_endif_label): likewise
9581 * fixinc/inclhack.def(irix_multiline_cmnt): obsolete
9582 (libc1_ifdefd_memx): correct initial comment
9583 and omit the #if/#endif pair from the memxxx declarations
9584 * fixinc/fixincl.x: regen
9586 2000-07-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9588 * cpplex.c (T, I, S, C, N): Avoid non-constant initializers.
9590 2000-07-11 Neil Booth <NeilB@earthling.net>
9594 2000-07-11 Neil Booth <NeilB@earthling.net>
9596 * cppinit.c: (cpp_reader_init): Allow digraphs by default.
9597 (handle_option): Set digraphs according to standard.
9598 Merge OPT_lang_c89 handler with OPT_std_c89.
9600 * cpplex.c: (lex_line, can_paste): Honour digraphs in
9601 accordance with the digraphs flag.
9603 * cpplib.h: (struct cpp_options): New option digraphs.
9605 2000-07-10 Hans-Peter Nilsson <hp@axis.com>
9606 Bruce Korb <bkorb@gnu.org>
9608 * fixinc/inclhack.def (libc1_ifdefd_memx): New fix.
9609 * fixinc/fixincl.x: Regenerate.
9610 * fixinc/tests/base/testing.h: Add testcase.
9612 2000-07-10 Richard Henderson <rth@cygnus.com>
9614 * config/ia64/ia64.c (got_symbolic_operand): New.
9615 (symbolic_operand, move_operand): Revert 0701 change.
9616 * config/ia64/ia64.h (PREDICATE_CODES): Update.
9617 * config/ia64/ia64-protos.h (got_symbolic_operand): Declare.
9618 * config/ia64/ia64.md (movdi): Revert 0701 wrt symbolic_operand;
9619 split the offset into a 14-bit low part instead of a 13-bit low part.
9620 (load_fptr): Mark the mem as unchanging.
9621 (load_symptr): Use got_symbolic_operand.
9623 2000-07-10 Nick Clifton <nickc@cygnus.com>
9625 * libgcc2.c (next_stack_level): Cast result of computation to
9626 (void **) so that the assignment does not generate a warning.
9628 2000-07-10 Chandrakala Chavva <cchavva@redhat.com>
9630 * flags.h : Add new variable flag_single_precision_constant.
9631 * toplev.c (display_help) : Add -fsingle-precision-constant option.
9632 (flag_single_precision_constant): New.
9633 * c-lex.c (yylex): Convert floating point constant to single
9635 * invoke.texi : Add documentation for this new option.
9637 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
9639 * diagnostic.c (output_octal): Second parameter is unsigned.
9640 (output_long_octal): Likewise.
9641 (output_hexadecimal): Likewise.
9642 (output_long_hexadecimal): Likewise.
9643 (output_format): Adjust arguments extraction. Tweak.
9644 (output_verbatim, verbatim): End variable argument list.
9645 (report_diagnostic): Improve documentation.
9647 2000-07-10 Benjamin Chelf <chelf@codesourcery.com>
9649 * c-common.h (build_stmt): Declare.
9650 (build_continue_stmt): Likewise.
9651 (build_break_stmt): Likewise.
9652 (build_return_stmt): Likewise.
9654 * c-decl.c (do_case): Rewrite to do what previously done in
9657 * c-semantics.c (build_stmt): Define.
9658 (build_return_stmt): Likewise.
9659 (build_break_stmt): Likewise.
9660 (build_continue_stmt): Likewise.
9661 (build_case_label): Likewise.
9663 * c-parse.in (BREAK): Change to build tree, then generate RTL.
9664 (CONTINUE): Likewise.
9667 (DEFAULT): Likewise.
9669 * c-parse.y: Regenerate.
9670 * c-pasre.c: Likewise.
9672 2000-07-09 Jason Merrill <jason@redhat.com>
9674 * expr.c (expand_expr): Bail earlier if we get an error_mark_node.
9676 * tree.h (STRIP_NOPS): Check for error_mark_node.
9677 (STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Likewise.
9678 (dwarf2out_*): Remove duplicate declarations.
9680 * c-decl.c (duplicate_decls): Copy DECL_ABSTRACT_ORIGIN from
9681 DECL_ABSTRACT_ORIGIN, not DECL_ORIGIN.
9683 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
9685 * diagnostic.c (wrap_text): New function.
9686 (maybe_wrap_text): Likewise.
9687 (output_add_string): Use it.
9688 (output_format): Likewise.
9689 (count_error): Use verbatim instead of notice.
9690 (report_error_function): Likewise. Don't use plain fprintf.
9691 (finish_diagnostic): New function.
9692 (output_do_verbatim): Tweak. Commonalize functionalities in
9693 output_verbatim and verbatim.
9694 (output_verbatim): Adjust.
9695 (verbatim): Likewise.
9696 (report_diagnostic): Define.
9698 * diagnostic.h (report_diagnostic): Prototype.
9700 2000-07-09 Zack Weinberg <zack@wolery.cumb.org>
9702 * cppexp.c (_cpp_parse_expr): Don't use unary plus.
9704 2000-07-09 Neil Booth <NeilB@earthling.net>
9706 * cpphash.h: ISvspace, is_vspace, is_nvspace: New.
9707 IShspace, ISspace: Update.
9709 * cppinit.c: ISTABLE: Update.
9712 * cpplex.c (IS_HSPACE, S_NEWLINE): Remove.
9713 (IS_DIRECTIVE): Rename KNOWN_DIRECTIVE.
9714 (skip_block_comment, skip_line_comment, parse_string,
9715 lex_line): Use is_vspace rather than IS_NEWLINE.
9716 (skip_whitespace, lex_line): Clean up to use is_nvspace.
9717 (lex_line): Use KNOWN_DIRECTIVE. Any kind of directive
9719 (lex_next): Unconditionally stop if within a directive.
9720 Treat directives within macro invocations as directives
9721 (after parse_args emits error), not as the argument.
9723 2000-07-09 Gabriel Dos Reis <gdr@codesourcery.com>
9725 * diagnostic.c (diagnostic_args): New macro.
9726 (diagnostic_msg): Likewise.
9727 (output_formatted_integer): Likewise.
9728 (output_state): New data type.
9729 (digit_buffer): Make global.
9730 (output_add_integer): Rename to output_decimal. Squeeze
9732 (output_long_decimal, output_unsigned_decimal,
9733 output_long_unsigned_decimal, output_octal, output_long_octal,
9734 output_hexadecimal, output_long_hexadecimal): New functions.
9735 (output_append_r): New function.
9736 (output_append): Tweak.
9737 (output_flush_on): Rename to output_to_stream.
9738 (output_format): Change prototype. Improve documentation. Handle
9739 more format specifiers.
9740 (build_location_prefix): Rename to context_as_prefix.
9741 (output_notice): Rename to output_do_printf.
9742 (output_printf): Tweak.
9743 (line_wrapper_printf): Likewise.
9744 (vline_wrapper_message_with_location): Adjust call to renamed
9746 (v_message_with_decl): Likewise.
9747 (default_print_error_function): Likewise.
9748 (save_output_state): New function.
9749 (restore_output_state): Likewise.
9750 (output_do_verbatim): Likewise.
9751 (output_verbatim): Define.
9752 (verbatim): Likewise.
9754 * diagnostic.h (printer_fn): Change return type from void to int.
9755 Improve documentation.
9756 (output_add_integer): Rename to output_decimal.
9757 (output_flush_on, output_format): Don't export.
9758 (output_verbatim, verbatim): Declare.
9760 2000-07-08 Toon Moene <toon@moene.indiv.nluug.nl>
9762 * fold-const.c (extract_muldiv) case PLUS_EXPR, MINUS_EXPR:
9763 Check whether c divides op1 exactly if operation is not
9766 2000-07-08 Richard Henderson <rth@cygnus.com>
9768 * final.c (final): Do not abort when reg-stack introduces
9771 2000-07-08 Zack Weinberg <zack@wolery.cumb.org>
9773 * cpplib.h (struct cpp_name): Now struct cpp_string.
9774 (CPP_INT, CPP_FLOAT, CPP_NUMBER, CPP_COMMENT,
9775 CPP_HEADER_NAME): Change to type S.
9776 (struct cpp_token): Rename 'name' field to 'str'. Add 'node'
9777 field, a cpp_hashnode *. All references to val.name updated
9778 to use val.str or val.node as appropriate.
9779 (struct cpp_reader): Add spec_nodes field.
9780 (cpp_idcmp): Now cpp_ideq; takes a token * and a char *.
9782 * cpphash.h (struct spec_nodes): New.
9783 (enum spell_type): Reorder. Only SPELL_STRING tokens use
9784 val.str. All references to 'spelling > SPELL_NONE' updated to
9787 (CPP_IN_SYSTEM_HEADER): Check pfile->buffer and
9788 pfile->buffer->inc are not NULL before dereferencing them.
9790 * cpplex.c (parse_name): Take a pointer to the current token,
9791 plus current position and limit as args; return the new
9792 position; don't copy the text of a name into the string
9793 buffer, instead call cpp_lookup and store the node pointer.
9794 If extending a token, copy out the text of the old into a
9795 scratch buffer, append the new, look that up and store the new
9796 node pointer. Inline.
9797 (maybe_paste_with_next): If the result of paste is a NAME,
9798 then look up the pasted text and store its node pointer.
9799 (lex_line): Adjust for new parse_name interface.
9800 Check for L"str", L'str' using spec_nodes->n_L.
9801 (spell_token): SPELL_IDENT tokens have their spelling in
9802 val.node->name. Handle SPELL_STRING tokens that don't have
9804 (_cpp_expand_name_space,
9805 (can_paste): Check for L ## "str" using spec_nodes->n_L.
9806 (cpp_get_token, special_symbol): No need to call cpp_lookup.
9807 (cpp_idcmp): Now cpp_ideq; take a token * and a const char *;
9808 return 1=equal 0=not, not a tristate.
9810 * cpphash.c (var_args_str): Delete.
9811 (find_param): Compare node fields directly.
9812 (is__va_args__): Use CPP_PEDANTIC. Just compare
9813 token->val.node with spec_nodes->n__VA_ARGS__.
9814 (dump_funlike_macro): Don't use var_args_str.
9816 * cpplib.c (_cpp_check_directive): Just walk through
9817 spec_nodes->dirs comparing pointers.
9818 (get_define_node, do_pragma_poison, detect_if_not_defined,
9819 parse_ifdef): The identifier has already been looked up.
9820 (do_ifdef, do_ifndef): parse_ifdef won't return a poisoned
9822 (do_if): Only call detect_if_not_defined at beginning of file.
9823 (_cpp_parse_assertion): Only copy string pointers for
9824 SPELL_STRING tokens.
9825 (pragma_dispatch): Take a node pointer and examine its name
9827 (_cpp_init_stacks): Also initialize the spec_nodes structure.
9829 * cppinit.c (cpp_reader_init): Call _cpp_init_stacks after
9831 (cpp_cleanup): Free pfile->spec_nodes. Call _cpp_cleanup_* in
9832 reverse order from the corresponding _cpp_init_* routines.
9834 * cppexp.c (parse_number, parse_charconst, parse_defined,
9835 lex): Check val.node->type instead of calling cpp_defined.
9836 Use spec_nodes entries where appropriate.
9838 * fix-header.c, scan-decls.c: Update for interface changes.
9840 2000-07-08 Geoffrey Keating <geoffk@cygnus.com>
9842 * config/rs6000/rs6000.c (rs6000_emit_move): Fix conditions for
9843 emitting aux_truncdfsf2.
9845 2000-07-03 Donn Terry (donnte@microsoft.com)
9847 * cppinit.c (print_help): split overlong line into ISO C89
9850 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
9852 * cppexp.c: Update all code for new lexer interface.
9853 (op_t, operator codes, struct token, tokentab2, op_to_str): Remove.
9854 (struct suffix, vsuf_1, vsuf_2, vsuf_3, op_to_prio): New.
9855 * cpplex.c (token_names): Trim leading CPP_ from names; make
9856 the strings unsigned.
9857 (_cpp_spell_operator): New.
9858 (is_macro_disabled): Disable all macros if rescanning
9860 (_cpp_get_directive_token): Remove.
9862 * cppinit.c: Don't set no_macro_expand.
9863 * cpplib.c (read_line_number, do_line): Check only for EOF,
9865 * cpphash.h: Update prototypes.
9866 * cpplib.h (CPP_VSPACE): Remove.
9867 (struct cpp_reader): Remove no_macro_expand.
9869 2000-07-08 Neil Booth <NeilB@earthling.net>
9871 * cpphash.c (is__va_args__): New function.
9872 (count_params): Fix line reported in error messages. Use
9873 is__va_args__. Don't return ')' on error. Flag GNU style
9874 rest args macro definitions.
9875 (parse_define): Check macro name is not __VA_ARGS__.
9876 (save_expansion): Check identifier in non-varargs-macro is
9877 not __VA_ARGS__. Don't flag GNU_VARARGS.
9878 * cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS.
9879 (maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather
9880 than per-token GNU_VARARGS.
9881 * cpplib.h (GNU_VARARGS): Remove.
9882 (GNU_REST_ARGS): New.
9884 Sat Jul 8 01:38:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
9886 * i386.md (call_pop, call, call_value_pop): Do not set
9887 current_function_uses_pic_offset_table for calls to static
9888 functions or indirect calls.
9890 2000-07-07 Jim Wilson <wilson@cygnus.com>
9892 * config/ia64/ia64.c (rws_access_reg): New local write_count. If
9893 is_predicate_reg, then take max write_count of register pair.
9895 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9897 * tradcpp.c (main): Rename label `include' to `add_include' to
9898 avoid conflicts with variable `include' in traditional C.
9900 2000-07-07 Jakub Jelinek <jakub@redhat.com>
9902 * integrate.c (copy_insn_list): Remove REG_LABEL notes.
9904 2000-07-07 Jakub Jelinek <jakub@redhat.com>
9906 * sibcall.c (uses_addressof): Add INMEM argument, check for
9907 current_function_internal_arg_pointer outside of MEM rtxs in addition
9909 (sequence_uses_addressof): Update caller.
9911 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
9913 * tradcpp.c (initialize_builtins): Honor NO_BUILTIN_SIZE_TYPE
9916 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9918 * system.h (UNION_INIT_ZERO): New macro for initializing union
9921 * cpplex.c (placemarker_token, eof_token): Use UNION_INIT_ZERO.
9923 2000-07-07 Neil Booth <NeilB@earthling.net>
9927 Fri Jul 7 07:47:35 2000 Jeffrey A Law (law@cygnus.com)
9929 * final.c (final): Detect out of bounds array access to
9930 the insn_lengths array.
9932 2000-07-07 Kazu Hirata <kazu@hxi.com>
9934 * fold-const.c (fold): Fix a comment typo.
9936 2000-07-07 Neil Booth <NeilB@earthling.net>
9938 * cpp.texi: Update to new lexer.
9940 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
9942 * tradcpp.c: New file.
9943 * tradcif.y: New file.
9944 * tradcif.c: New generated file.
9946 * Makefile.in: Add rules to build tradcpp.o, tradcif.o,
9947 $(srcdir)/tradcif.c. Add tradcpp to STAGESTUFF and
9948 dependencies of C. Install tradcpp from install-common, in
9951 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
9953 * cppinit.c: Include cppdefault.h. Refer to
9954 cpp_GCC_INCLUDE_DIR and cpp_GCC_INCLUDE_DIR_len, not directly
9955 to GCC_INCLUDE_DIR and its length.
9956 (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
9957 USER_LABEL_PREFIX, REGISTER_PREFIX, struct default_include,
9958 STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT): Move to
9960 (include_defaults_array): Move to cppdefault.c.
9962 * cppdefault.h: New file.
9963 * cppdefault.c: New file.
9965 * Makefile.in (LIBCPP_OBJS): Add cppdefault.o.
9966 (cppinit.o): Don't apply $(PREPROCESSOR_DEFINES) to this file.
9967 (cppdefault.o): New rule; apply $(PREPROCESSOR_DEFINES) to
9970 Thu Jul 6 18:30:36 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9972 * reload.c (push_reload): When seeing if can reuse a register,
9973 check extra registers against widest of INMODE and OUTMODE.
9975 2000-07-06 Neil Booth <NeilB@earthling.net>
9977 * cpplib.c: (_cpp_parse_assertion): Perform hash lookups
9978 based on full length of predicate.
9980 2000-07-06 Hans-Peter Nilsson <hp@axis.com>
9982 * timevar.c: [HAVE_SYS_RESOURCE_H]: Include <sys/resource.h>.
9983 [NEED_DECLARATION_GETRUSAGE]: Declare getrusage.
9985 2000-07-05 Kazu Hirata <kazu@hxi.com>
9987 * h8300-proto.h: Fix formatting.
9988 * h8300.c: Likewise.
9989 * h8300.h: Likewise.
9991 2000-07-05 Jim Wilson <wilson@cygnus.com>
9993 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): If FR_REGNO_P, disallow
9996 2000-07-05 Rodney Brown <RodneyBrown@pmsc.com>
9998 * invoke.texi: Fix minor typos
9999 * md.texi: Fix minor typos
10001 2000-07-05 Zack Weinberg <zack@wolery.cumb.org>
10003 * cpplib.c (_cpp_parse_assertion): Fix buffer overrun.
10005 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
10007 * cpplex.c: Don't include sys/mman.h.
10008 (cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.
10010 * cpplib.c: Include sys/mman.h and obstack.h.
10011 (cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
10013 (cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
10014 (_cpp_unwind_if_stack): Now static, unwind_if_stack. Don't
10015 bother freeing if stack entries (they will be freed with their buffer).
10016 (do_endif): Free if stack entries from the buffer obstack.
10017 (push_conditional): Allocate if stack entries from the buffer obstack.
10019 (find_answer): Rename to _cpp_find_answer.
10020 (do_assert, do_unassert): Update.
10022 * cpphash.h: Update prototypes.
10023 (xobnew): New convenience macro.
10024 * cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
10026 (struct cpp_hashnode): Remove disabled field.
10028 * cppinit.c: Don't include hashtab.h or splay-tree.h.
10029 (report_missing_guard): Moved to cppfiles.c.
10030 (cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
10032 (cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
10033 cpp_cleanup_includes. Don't destroy hashtab or
10034 all_include_files here.
10035 (cpp_finish): Use _cpp_report_missing_guards.
10037 * cppfiles.c (report_missing_guard): Moved from cppinit.c.
10038 (_cpp_init_include_table): Rename _cpp_init_includes.
10039 (_cpp_cleanup_includes, _cpp_report_missing_guards): New.
10041 * cppexp.c (parse_assertion): Update for new name of
10044 * Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.
10046 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
10048 * cpplib.c (do_ident): s/VSPACE/EOF/
10050 2000-07-05 Neil Booth <NeilB@earthling.net>
10052 * cpplex.c: Fix trigraph replacement within strings.
10054 2000-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10056 * rs6000/aix.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier.
10058 * xcoffout.c (assign_type_number): Constify.
10059 (xcoffout_source_file): Add static prototype. Don't needlessly
10060 cast away const-ness.
10062 2000-07-04 Jason Merrill <jason@redhat.com>
10064 * frame.h (frame_state): Move base_offset to end.
10066 Mon Jul 3 21:31:43 2000 Clinton Popetz <cpopetz@cygnus.com>
10068 * calls.c (emit_library_call_value_1): Revert previous change.
10070 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
10072 * fix-header.c (struct partial_proto): Remove unnecessary fields.
10073 (recognized_extern, recognized_function, read_scan_file):
10074 Update for new scheme.
10075 (check_protection): It's still a multiple include guard even
10076 if it doesn't always trigger.
10077 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
10079 * scan.h: Declare struct cpp_token. Update prototypes.
10081 2000-07-03 Neil Booth <neilb@earthling.net>
10082 Zack Weinberg <zack@wolery.cumb.org>
10084 Complete overhaul of the lexer and macro expander.
10086 * cpphash.c (object_defn, funct_defn, push_macro_expansion,
10087 arg, arglist, argdata, reflist, collect_objlike_expansion,
10088 collect_funlike_expansion, collect_params,
10089 warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat,
10090 unsafe_chars, macarg, compare_defs, special_symbol,
10091 scan_arguments, stringify, funlike_macroexpand,
10092 _cpp_quote_string, monthnames): Delete.
10093 (cpp_lookup, _cpp_free_definition, dump_funlike_macro,
10094 _cpp_create_definition, _cpp_dump_definition,
10095 dump_hash_helper): Adjust.
10096 (find_param, count_params, parse_define, var_args_str,
10097 check_macro_redefinition, save_expansion): New.
10099 * cpplex.c (skip_block_comment, skip_line_comment, parse_name,
10100 parse_string, output_line_command, trigraph_replace,
10101 lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens,
10102 cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist,
10103 cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer,
10104 _cpp_skip_rest_of_line): Modify.
10106 (maybe_macroexpand, skip_comment, copy_comment, skip_string,
10107 find_position, null_warning, bump_column, expand_name_space,
10108 pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist,
10109 _cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace,
10110 _cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token,
10111 _cpp_prescan): Delete.
10113 (dump_param_spelling, process_directive, lex_next,
10114 is_macro_disabled, stringify_arg, expand_context_stack,
10115 output_token, make_string_token, alloc_number_token,
10116 special_symbol, duplicate_token, maybe_paste_with_next,
10117 can_paste, prevent_macro_expansion, restore_macro_expansion,
10118 get_temp_token, release_temp_tokens, quote_string,
10119 token_names, token_spellings, _cpp_expand_name_space,
10120 _cpp_glue_header_name, _cpp_reserve_name_space,
10121 digraph_spellings, trigraph_ok, skip_whitespace, save_comment,
10122 placemarker_token, eof_token, cpp_context, macro_args,
10123 get_raw_token, parse_arg, parse_args, save_token,
10124 push_arg_context, push_macro_context, pop_context,
10125 do_pop_context, free_macro_args, _cpp_get_line,
10126 _cpp_run_directive): New.
10128 * cpplib.c (validate_else, parse_include, push_conditional,
10129 pass_thru_directive, read_line_number, parse_ifdef,
10130 detect_if_not_defined, _cpp_check_directive, do_define,
10131 do_undef, do_include, do_import, do_include_next, do_error,
10132 do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas,
10133 top_pragmas, do_pragma_gcc, do_pragma_implementation,
10134 do_pragma_poison, do_pragma_system_header,
10135 do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else,
10136 dl_elif, do_endif, _cpp_unwind_if_stack, do_assert,
10137 do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert,
10138 cpp_defined): Update for new scheme.
10139 (strtoul_for_line, get_define_node, dump_macro_name,
10140 _cpp_check_linemarker, _cpp_parse_assertion): New.
10141 (_cpp_handle_directive, do_pragma_default): Delete.
10143 * cpphash.h (struct predicate): Now struct answer.
10144 (enum spell_type, struct token_spelling, struct directive,
10145 directive_handler): New.
10146 Update prototypes. Remove unused macros.
10147 * cpplib.h: Update prototypes. Remove unused macros,
10148 structure definitions, and fields.
10150 * cpperror.c (print_containing_files, v_message): Adjust.
10151 * cppexp.c (parse_assertion, lex, parse_escape,
10152 _cpp_parse_expr): Adjust.
10153 * cppfiles.c (open_include_file, _cpp_execute_include,
10154 _cpp_compare_file_date, cpp_read_file, read_include_file):
10156 * cppinit.c (dump_special_to_buffer): Delete.
10157 (append_include_chain, merge_include_chains, cpp_reader_init,
10158 cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read,
10159 cpp_finish, handle_option, print_help): Adjust.
10160 * cppmain.c (main): Adjust.
10162 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
10164 * cppspec.c (lang_specific_driver): Use double quotes in error
10167 Mon Jul 3 16:53:43 2000 Clinton Popetz <cpopetz@cygnus.com>
10169 * calls.c (emit_library_call_value_1): Use valreg instead
10170 of hard_libcall_value.
10172 2000-07-03 Geoff Keating <geoffk@cygnus.com>
10174 * config/rs6000/rs6000.c (rs6000_emit_move): New function.
10175 * config/rs6000/rs6000-proto.h: Prototype rs6000_emit_move.
10176 * config/rs6000/rs6000.md (movsi): Use rs6000_emit_move.
10184 * expmed.c (expand_mult_highpart): Use op1 instead of wide_op1 when
10185 mode instead of wider_mode is being used.
10187 2000-07-03 Jakub Jelinek <jakub@redhat.com>
10189 * config/i386/i386.md (movstrictqi_xor): Use 'q' constraint instead
10190 of 'r'. Use q_regs_operand.
10191 (andsi_1+2): Use q_regs_operand.
10193 2000-07-03 Jakub Jelinek <jakub@redhat.com>
10195 * builtins.c (get_memory_rtx): Always put into alias set 0.
10197 2000-07-03 Nick Clifton <nickc@cygnus.com>
10199 * config/arm/arm.md: Fix post increment and pre increment
10200 peepholes so that they do not generate UNPREDICATBLE opcodes.
10201 (ie ones where the increment clobbers the source/destination).
10203 2000-07-01 Marek Michalkiewicz <marekm@linux.org.pl>
10205 * config/avr/avr.c (out_adj_frame_ptr): Make "frame pointer
10206 change too big for -mtiny-stack" a warning, if larger than 63.
10207 (out_set_stack_ptr): Change the logic so -mno-interrupts is
10208 always safe to use on possible future devices.
10209 (function_prologue): Write SPH before SPL, for consistency.
10210 If interrupt_func_p true, we know we have enabled interrupts.
10211 (avr_num_arg_regs): New function. Round up to even number of
10212 bytes if no -mpack-args or if calling a libgcc function.
10213 (function_arg, function_arg_advance): Use it.
10214 (output_movsisf, ashlsi3_out, ashrsi3_out, lshrsi3_out):
10215 Output "movw" if available.
10216 (out_tsthi, out_tstsi, ashlqi3_out, lshrqi3_out): Change uses
10217 of TEST_HARD_REG_CLASS macro to test_hard_reg_class function.
10218 (asm_output_section_name): Add blanks for consistent output.
10219 (encode_section_info): Set TREE_READONLY for progmem data to
10220 avoid gas warnings about changed section attributes.
10221 (avr_hard_regno_mode_ok): Force non-QImode data to start in
10222 even numbered registers on devices with "movw".
10223 * config/avr/avr.h (MASK_*): Define bits for target_flags.
10224 (TARGET_SWITCHES): Mark help strings for translation.
10225 Add new -mpack-args and -menhanced switches.
10226 (TARGET_OPTIONS): Mark help strings for translation.
10227 (progmem_section): Add section attributes.
10228 * config/avr/avr.md (*movhi, call_insn, call_value_insn):
10229 Output "movw" if available.
10230 (mulqi3, mulqihi3, umulqihi3, mulhi3, *tablejump_enh):
10232 * config/avr/libgcc.S (_mulqi3, _divqi3): Update to the new
10233 call convention (arguments aligned on even registers).
10234 (_cleanup, _exit): Make weak symbols libc can override.
10236 2000-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10238 * fp-bit.h: New file.
10240 * fp-bit.c: Move common code, prototypes, etc into fp-bit.h.
10241 Comment #endif statements.
10242 (__thenan_sf, __thenan_df): Add missing braces around initializer.
10244 Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
10246 * gcse.c (compute_pre_data): Compute ae_kill using other local
10247 properties instead of calling compute_ae_kill.
10249 * alias.c (init_alias_analysis): Do not call
10250 prologue_epilogue_contains until after reload has completed.
10252 2000-07-02 Benjamin Chelf <chelf@codesourcery.com>
10254 * c-common.h (genrtl_begin_compound_stmt): Remove declaration.
10255 (genrtl_finish_compound_stmt): Likewise.
10256 (genrtl_compound_stmt): Change to return void.
10258 * c-semantics.c (genrtl_begin_compound_stmt): Remove function and
10259 move code from here to ...
10260 (genrtl_compound_stmt): ... here.
10261 (genrtl_finish_compound_stmt): Remove.
10262 (expand_stmt): Add comment.
10264 2000-07-02 Zack Weinberg <zack@wolery.cumb.org>
10266 * c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P
10269 2000-07-02 Jakub Jelinek <jakub@redhat.com>
10271 * cpplib.h (struct cpp_reader): New field include_depth.
10272 (struct cpp_printer): Rename last_bsd to last_id.
10273 * cppfiles.c (read_include_file): Bump include_depth.
10274 * cpplex.c (cpp_pop_buffer): Decrement include_depth.
10275 (output_line_command): Output correct #line if a header
10276 is including itself and is not protected against multiple inclusion.
10277 Use include_depth instead of buffer_stack_depth, last_id instead of
10279 * cppinit.c (cpp_start_read): Initialize last_id instead of
10282 2000-07-01 Benjamin Chelf <chelf@codesourcery.com>
10284 * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
10285 (c-semantics.o): New target.
10287 * c-common.h (TREE_LANG_FLAG_?): Added documentation.
10288 (genrtl_do_pushlevel): Moved from cp/cp-tree.h.
10289 (genrtl_clear_out_block): Likewise.
10290 (genrtl_goto_stmt): Likewise.
10291 (genrtl_expr_stmt): Likewise.
10292 (genrtl_decl_stmt): Likewise.
10293 (genrtl_if_stmt): Likewise.
10294 (genrtl_while_stmt): Likewise.
10295 (genrtl_do_stmt): Likewise.
10296 (genrtl_return_stmt): Likewise.
10297 (genrtl_for_stmt): Likewise.
10298 (genrtl_break_stmt): Likewise.
10299 (genrtl_continue_stmt): Likewise.
10300 (genrtl_scope_stmt): Likewise.
10301 (genrtl_switch_stmt): Likewise.
10302 (genrtl_case_label): Likewise.
10303 (genrtl_begin_compound_stmt): Likewise.
10304 (gerntl_finish_compound_stmt): Likewise.
10305 (genrtl_compound_stmt): Likewise.
10306 (genrtl_asm_stmt): Likewise.
10307 (genrtl_decl_cleanup): Likewise.
10308 (DECL_ANON_UNION_ELEMS): Likewise.
10309 (emit_local_var): Likewise.
10310 (make_rtl_for_local_static): Likewise.
10311 (expand_cond): Likewise.
10312 (expand_stmt): Likewise.
10313 (c_expand_return): Likewise.
10314 (c_expand_start_case): Likewise.
10315 (do_case): Likewise.
10316 (COMPOUND_STMT_NO_SCOPE): Likewise.
10317 (c_expand_asm_operands): Likewise.
10318 (NEW_FOR_SCOPE_P): New macro.
10319 (expand_expr_stmt_fn): New type.
10321 (set_current_function_name_declared): Likewise.
10322 (current_function_name_declared): Likewise.
10323 (lang_expand_stmt): Likewise.
10324 (stmts_are_full_exprs_p): Likewise.
10325 (anon_aggr_type_p): Likewise.
10326 (lang_expand_expr_stmt): Likewise.
10327 (build_case_label): Likewise.
10329 * c-decl.c (lang_expand_expr_stmt): Initialize.
10330 (stmts_are_full_exprs_p): Define.
10331 (current_function_name_declared): Likewise.
10332 (do_case): Likewise.
10333 (lang_expand_stmt): Likewise.
10334 (set_current_function_name_declared): Likewise.
10335 (anon_aggr_type_p): Likewise.
10337 * c-semantics.c: New file.
10338 (expand_cond): Moved from cp/semantics.c.
10339 (genrtl_do_pushlevel): Likewise.
10340 (genrtl_clear_out_block): Likewise.
10341 (genrtl_goto_stmt): Likewise.
10342 (genrtl_expr_stmt): Likewise.
10343 (genrtl_decl_stmt): Likewise.
10344 (genrtl_if_stmt): Likewise.
10345 (genrtl_while_stmt): Likewise.
10346 (genrtl_do_stmt): Likewise.
10347 (genrtl_return_stmt): Likewise.
10348 (genrtl_for_stmt): Likewise.
10349 (genrtl_break_stmt): Likewise.
10350 (genrtl_continue_stmt): Likewise.
10351 (genrtl_scope_stmt): Likewise.
10352 (genrtl_switch_stmt): Likewise.
10353 (genrtl_case_label): Likewise.
10354 (genrtl_begin_compound_stmt): Likewise.
10355 (genrtl_finish_compound_stmt): Likewise.
10356 (genrtl_compound_stmt): Likewise.
10357 (genrtl_asm_stmt): Likewise.
10358 (genrtl_decl_cleanup): Likewise.
10359 (make_rtl_for_local_static): Moved from cp/decl.c.
10360 (emit_local_var): Likewise.
10361 (expand_stmt): Define.
10363 * c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
10364 (c_expand_return): Likewise.
10365 (c_expand_start_case): Likewise.
10367 2000-07-01 Richard Henderson <rth@cygnus.com>
10369 * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
10370 with the low 13 bits set.
10371 (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
10372 * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one
10373 of the low 13 bits into a CONST plus an adddi3.
10374 (load_symptr): Set RTX_UNCHANGING_P.
10376 See ChangeLog.3 for earlier changes.