1 2000-10-31 Richard Henderson <rth@redhat.com>
3 * dwarf2out.c (struct dw_loc_descr_struct): Add dw_loc_addr.
4 (size_of_locs): Set it.
5 (output_loc_operands): Use it to compute branch displacement.
6 (int_loc_descriptor): New.
7 (mem_loc_descriptor): Dereference memory in the proper size.
8 Use DW_OP_plus_uconst when possible. Use int_loc_descriptor.
9 (loc_descriptor_from_tree): New.
10 (rtl_for_decl_location): Break out from ...
11 (add_location_or_const_value_attribute): ... here.
12 (add_bound_info): Use loc_descriptor_from_tree.
14 2000-10-31 Neil Booth <neilb@earthling.net>
16 * cpp.texi: Update for new command line assertion syntax.
17 * cpplib.c (cpp_define): Simplify a bit.
18 (cpp_assert, cpp_unassert): Use handle_assertion.
19 (handle_assertion): New function; accept new command line
21 * testsuite/gcc.dg/cpp/assert3.c: New tests.
23 2000-10-31 Neil Booth <neilb@earthling.net>
25 * cppmacro.c (STDC_0_IN_SYSTEM_HEADERS): Define to 0 if
26 undefined. Remove #ifdef check.
27 * config/i386/sol2.h, config/rs6000/sol2.h, config/sparc/sol2.h:
28 Define STDC_0_IN_SYSTEM_HEADERS to 1.
30 2000-10-31 Jan Hubicka <jh@suse.cz>
31 Jakub Jelinek <jakub@redhat.com>
33 * config/i386/i386.h: Clarify CCNOmode description in comment.
34 (EXTRA_CC_MODES): Remove CCRCmode.
35 * config/i386/i386.c (ix86_comparison_operator): Remove CCRCmode.
36 (put_condition_code, ix86_match_ccmode): Likewise.
37 (ix86_cc_mode): Likewise. Fix comment.
38 (ix86_expand_strlensi_unroll_1): *rc patterns are gone.
39 * config/i386/i386.md: Add unspec 12 description.
40 (adddi3 split): Use unspec 12 instead of CCRCmode.
41 (addsi3_carry_rc): Remove.
42 (addsi3_cc, addqi3_cc): New patterns.
43 (addsi_3): Swap operands, match CCZmode.
45 (addsi_5): Renamed from addsi_6.
47 (addhi_3): Swap operands, match CCZmode.
49 (addhi_5): Renamed from addhi_6.
51 (addqi_3): Swap operands, match CCZmode.
53 (addqi_5): Renamed from addqi_6. Use =q constraint for clobber.
54 (subsi3_carry_rc): Removed.
55 (iorqi_3): Use =q constraint for clobber.
56 (xorqi_cc_2): Likewise.
57 (negdi2_1 split): Don't use CCRCmode, use ltu instead of gtu.
58 (x86_movsicc_0_m1_rc): Removed.
59 (cmp?i peepholes): Remove neg. Use CCGCmode instead of CCRCmode.
61 2000-10-31 Joseph S. Myers <jsm28@cam.ac.uk>
63 * c-typeck.c (build_unary_op): If pedantic, pedwarn for increment
64 and decrement of complex types.
66 2000-10-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
68 * builtins.c (expand_builtin_fputs): When deleting NOP calls to
69 builtin fputs, ensure we still evaluate the stream in case it
72 2000-10-31 Jakub Jelinek <jakub@redhat.com>
74 * expr.c (do_store_flag): Pass operand_mode instead of GET_MODE (op0)
77 Tue Oct 31 15:33:27 2000 J"orn Rennecke <amylaar@redhat.com>
79 * sh-protos.h (reg_no_subreg_operand, emit_fpscr_use): Don't declare.
80 (fp_extended_operand, emit_fpscr_use): Likewise.
81 * sh.c (reg_no_subreg_operand, fp_extended_operand): Delete functions.
82 (fpul_operand): New function.
83 * sh.h (PREDICATE_CODES): Remove reg_no_subreg_operand and
84 fp_extended_operand. Add fpul_operand.
85 * sh.md (mulsf3, mulsf3_i4): Use fp_arith_reg_operand for "f" operands.
86 (mulsf3_ie, macsf3, cmpgtsf_t, cmpeqsf_t, ieee_ccmpeqsf_t): Likewise.
87 (cmpgtsf_t_i4, cmpeqsf_t_i4, ieee_ccmpeqsf_t_4, negsf2): Likewise.
88 (negsf2_i, sqrtsf2, sqrtsf2_i, abssf2, abssf2_i, adddf3): Likewise.
89 (adddf3_i, subdf3, subdf3_i, muldf3, muldf3_i, divdf3): Likewise.
91 (floatsisf2): Likewise. Use fpul_operand for 'y' operand.
92 (floatsisf2_i4, floatsisf2_ie, fix_truncsfsi2): Likewise.
93 (fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i): Likewise.
94 (fix_truncdfsi2, fix_truncdfsi2_i, extendsfdf2): Likewise.
95 (extendsfdf2_i4, truncdfsf2, truncdfsf2_i4): Likewise.
97 2000-10-31 Bernd Schmidt <bernds@redhat.co.uk>
99 * config/i386/i386.c (ix86_init_builtins): Correct return type
100 building v4hi_ftype_v4hi_int_int tree node.
101 (ix86_expand_builtin): Use correct operand numbers 0 and 1.
102 Copy operand 0 into a Pmode register, don't generate a MEM rtx.
104 * config/i386/i386.md (sse_movntdi): Use mmx register constraint
106 (mmx__uavgv8qi3): Correct insn mnemonic.
107 (mmx_psadbw): Correct insn mnemonic. Use V8QI mode for operands 1 and 2.
108 (mmx_punpckhwd): Correct insn mnemonic.
109 (mmx_punpckhdq): Likewise.
110 (mmx_punpcklwd): Likewise.
111 (mmx_punpckldq): Likewise.
112 (prefetch): Use immediare_operand and 'n' constraint for operand 1.
113 Renumber case labels to match the _mm_prefetch constants defined in
116 * recog.c (split_all_insns): Don't try to call cleanup_subreg_operands
117 if the splitter didn't emit new insns.
118 Make sure we call cleanup_subreg_operands even when splitting the last
119 insn in a basic block.
121 * invoke.texi (Debugging Options): Describe -do.
122 * toplev.c (enum_dump_file_index): New entry DFI_postreload.
123 (dump_file): Likewise.
124 (rest_of_compilation): Split .greg dump into .greg and .postreload.
126 2000-10-30 Neil Booth <neilb@earthling.net>
128 * cppfiles.c (stack_include_file): Check for stacked contexts
130 * cpphash.h (_cpp_do__Pragma): New prototype.
131 * cppinit.c (cpp_reader_init): Add _Pragma keyword to hash table.
133 * cpplex.c (skip_escaped_newlines): Only process trigraphs and
134 escaped newlines if !(buffer->from_stage3).
135 (_cpp_lex_token): Warn about missing newlines iff
136 !buffer->from_stage3.
138 * cpplib.c (get__Pragma_string, destringize,
139 _cpp_do__Pragma): New functions.
140 (run_directive): Set output_line for _Pragma to avoid line
141 markers in output. Set from_stage3 and prevent macro expansion
142 for _Pragma and command-line options. Check buffer exhaustion.
143 (cpp_push_buffer): Don't check for stacked macro contexts, as
144 this is perfectly legitimate for _Pragma. Move the check to
145 stack_include_file instead. Set from_stage3 iff buffer is
148 * cpplib.h (struct cpp_buffer): Make warned_cplusplus_comments
149 unsigned. New boolean from_stage3.
150 (struct spec_nodes): Add n__Pragma.
152 * cppmacro.c (enter_macro_context): Flip sense of return value.
153 (_cpp_get_token): Handle _Pragma operator.
155 2000-10-30 Phil Edwards <pme@sources.redhat.com>
157 * gcc.texi: The C++ standard isn't "draft" anymore.
159 2000-10-30 Mark Mitchell <mark@codesourcery.com>
161 * cppmacro.c (builtin_macro): Use NT_VOID, not T_VOID.
163 2000-10-29 Neil Booth <neilb@earthling.net>
165 * cpplib.c (skip_rest_of_line): Use _cpp_get_token.
167 2000-10-29 Joseph S. Myers <jsm28@cam.ac.uk>
169 * toplev.c, flags.h, fold-const.c, real.c, rtl.c,
170 fixinc/inclhack.def: Change comments mentioning C9X to refer to
173 * invoke.texi: Document that -V will only work for very similar
174 versions of driver and compiler.
176 2000-10-29 Neil Booth <neilb@earthling.net>
178 * cppmacro.c (_cpp_create_definition): Optimize the case of
179 a macro defined to itself.
181 2000-10-29 Neil Booth <neilb@earthling.net>
183 * cpplex.c (save_comment): Don't store new lines in C++ comments.
185 2000-10-29 Michael Hayes <mhayes@redhat.com>
187 * integrate.c (copy_insn_list): Copy the unchanging flag for calls.
189 2000-10-28 Geoffrey Keating <geoffk@cygnus.com>
191 * cpphash.c (cpp_forall_identifiers): Add context variable
192 for callback routine.
193 * cppmain.c (dump_macro): Update to match cpp_forall_identifiers
195 (main): Call cpp_forall_identifiers with null context.
196 * cpplib.h (cpp_forall_identifiers): Update prototype.
198 * cppmain.c: Make `parse_in' and `print' static.
200 2000-10-28 Alan Modra <alan@linuxcare.com.au>
202 * c-decl.c (finish_function): Clear c_function_name_declared_p.
204 2000-10-28 Richard Henderson <rth@redhat.com>
206 * regrename.c (scan_rtx_address): Frob action, not class,
207 when trying to disable optimization.
209 2000-10-28 Mark Mitchell <mark@codesourcery.com>
211 * c-semantics.c (make_rtl_for_local_static): Don't clobber
214 2000-10-28 Joseph S. Myers <jsm28@cam.ac.uk>
216 * configure.in: Determine and substitute gcc_version_full.
217 * configure: Regenerate.
218 * gccbug.in: Use it to give full version. Don't allow
221 2000-10-28 Richard Henderson <rth@redhat.com>
223 * recog.c (split_all_insns): Run cleanup_subreg_operands
226 * regrename.c (regrename_optimize): Verify that all registers of
227 a multiple register mode are available.
228 (scan_rtx_address): Accept the mode of the address; all callers
231 * cpplib.c (run_directive): Fix prototype.
233 2000-10-28 Bernd Schmidt <bernds@redhat.co.uk>
235 * reload.c (find_reloads): Distinguish "wins" so that we know whether
236 a given operand won because of a matching constraint or not; then use
237 that information to compute goal_alternative_matched properly.
238 * reload1.c (choose_reload_regs): Never set reload_override_in for an
241 * config/ia64/ia64.h (RTX_COSTS): A few more entries, and a more
242 accurate value for MULT.
243 * config/ia64/ia64.c (ia64_print_operand): Require probability to be
244 2% or > 98% before using static branch prediction bits.
246 2000-10-28 Neil Booth <neilb@earthling.net>
250 * cpplib.c (struct answer): New.
251 (struct if_stack): Use cpp_lexer_pos rather than line and col.
252 Rename cmacro mi_cmacro.
253 (struct directive, KANDR, STDC89, EXTENSION, COND, IF_COND, INCL,
254 IN_I): New directive and flags.
255 (skip_rest_of_line, check_eol, run_directive, glue_header_name,
256 parse_answer, parse_assertion, find_answer): New functions.
257 (parse_ifdef, detect_if_not_defined, validate_else): Remove.
258 (lex_macro_node): New function to replace parse_ifdef and
261 (_cpp_handle_directive): New function, combines _cpp_check_directive
262 and _cpp_check_linemarker.
264 (do_define, do_undef, parse_include, do_include, do_import,
265 do_include_next, read_line_number, do_line, do_ident, do_pragma,
266 do_pragma_once, do_pragma_poison, do_pragma_dependency):
267 Update for new token getting interface.
269 (do_ifdef, do_ifndef, do_if, do_else, do_endif, push_conditional)
270 : Update for new multiple-include optimisation technique.
271 (do_elif): Don't forget to invalidate controlling macros.
273 (unwind_if_stack, cpp_defined, cpp_push_buffer, cpp_pop_buffer): Update.
274 (parse_assertion, parse_answer, find_answer, _cpp_test_assertion):
275 Functions to handle assertions with the new token interface.
276 (do_assert, do_unassert): Use them.
278 (cpp_define, _cpp_define_builtin, cpp_undef, cpp_assert, cpp_unassert):
281 (_cpp_init_stacks): Register directive names. Don't register special
284 * cpperror.c (print_containing_files, _cpp_begin_message): Update to
285 new position recording regime.
286 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
287 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line,
288 cpp_pedwarn_with_file_and_line): Update for _cpp_begin_message changes.
289 (cpp_type2name): Move to cpplex.c.
291 * cppexp.c (parse_charconst): spec_nodes is no longer a pointer.
292 (parse_defined): Update to handle new multiple include optimisation
293 method. Remove poisoned identifier warning.
294 (parse_assertion, TYPE_NAME): Delete.
295 (lex): Update for multiple include optimisation, removal of
296 CPP_DEFINED, to use _cpp_test_assertion for assertions and
298 (_cpp_parse_expr): Update for MI optimisation, and to use op_as_text.
299 (op_as_text): New function, to wrap cpp_token_as_text.
301 * cppfiles.c (stack_include_file, _cpp_pop_file_buffer):
302 Update for MI optimisation.
303 (_cpp_execute_include): Take a token rather than 3 arguments. Fix
304 segfault on diagnostic.
305 (_cpp_compare_file_date): Take a token rather than 3 args.
306 (cpp_read_file): Work correctly for zero-length files.
308 * cpphash.c (_cpp_init_macros, _cpp_cleanup_macros): Rename
309 _cpp_init_hashtable and _cpp_cleanup_hashtable.
310 (cpp_lookup): Place identifiers at front of identifier pool
311 for _cpp_lookup_with_hash.
312 (_cpp_lookup_with_hash): Require identifiers to be at the front of
313 the identifier pool. Commit the memory if not already in the
316 * cppinit.c (cpp_reader_init): Move cpp_init_completed test to top.
317 Initialise various members of cpp_reader, memory pools, and the
319 (cpp_printer_init): Delete.
320 (cpp_cleanup): Update.
321 (struct builtin, builtin_array, initialize_builtins): Update for new
322 hashnode definition and builtin handling.
323 (cpp_start_read, cpp_finish): Don't take or initialise a
326 * cpplib.h (cpp_printer, cpp_toklist, CPP_DEFINED, BOL,
327 PASTED, VAR_ARGS, BEG_OF_FILE, IN_DIRECTIVE, KNOWN_DIRECTIVE,
328 T_VOID, T_SPECLINE, T_DATE, T_FILE, T_BASE_FILE, T_INCLUDE_LEVEL,
329 T_TIME, T_STDC, T_OPERATOR, T_POISON, T_MACRO, T_ASSERTION): Delete.
330 (struct cpp_pool, struct cpp_macro, struct cpp_lexer_pos,
331 struct cpp_lookahead, CPP_DHASH, enum mi_state, enum mi_ind,
332 NO_EXPAND, VARARGS_FIRST, struct cpp_token_with_pos,
333 struct toklist, struct cpp_context, struct specnodes,
334 TOKEN_LOOKAHEAD, TOKEN_BUFFSIZE, NODE_OPERATOR, NODE_POISONED,
335 NODE_BUILTIN, NODE_DIAGNOSTIC, NT_VOID, NT_MACRO, NT_ASSERTION,
336 enum builtin_type, cpp_can_paste): New.
337 (struct cpp_token): Delete line and col members.
338 (struct cpp_buffer): New member output_lineno.
339 (struct lexer_state): Delete indented, in_lex_line, seen_dot.
340 Add va_args_ok, poisoned_ok, prevent_expansion, parsing_args.
341 (struct cpp_reader): New members lexer_pos, macro_pos, directive_pos,
342 ident_pool, temp_string_pool, macro_pool, argument_pool, string_pool,
343 base_context, context, directive, mi_state, mi_if_not_defined,
344 mi_lexed, mi_cmacro, mi_ind_cmacro, la_read, la_write, la_unused,
345 mlstring_pos, macro_buffer, macro_buffer_len.
346 Delete members mls_line, mls_column, token_list, potential_control_macro,
347 temp_tokens, temp_cap, temp_alloced, temp_used, first_directive_token,
348 context_cap, cur_context, no_expand_level, paste_level, contexts, args,
349 save_parameter_spellings, need_newline, .
350 Change type of date, time and spec_nodes members.
351 Change prototypes for include and ident callbacks.
352 (struct cpp_hashnode): Change type of name. Remove union members
353 expansion and code. Add members macro, operator and builtin.
355 (cpp_token_len, cpp_token_as_text, cpp_spell_token, cpp_start_read,
356 cpp_finish, cpp_avoid_paste, cpp_get_token, cpp_get_line,
357 cpp_get_output_line, cpp_macro_definition, cpp_start_lookahead,
358 cpp_stop_lookahead): New prototypes.
359 (cpp_printer_init, cpp_dump_definition): Delete prototypes.
361 (U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr, ufputs):
364 * cpphash.h (U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr,
365 ufputs): Move to cpplib.h.
366 (enum spell_type, struct token_spelling, _cpp_token_spellings, TOKEN_SPELL,
367 TOKEN_NAME, struct answer, FREE_ANSWER, KANDR, STDC89, EXTENSION,
368 COND, EXPAND, INCL, COMMENTS, IN_I, struct directive, directive_handler,
369 struct spec_nodes, _cpp_digraph_spellings, _cpp_free_temp_tokens,
370 _cpp_init_input_buffer, _cpp_grow_token_buffer, _cpp_init_toklist,
371 _cpp_clear_toklist, _cpp_expand_token_space, _cpp_expand_name_space,
372 _cpp_equiv_tokens, _cpp_equiv_toklists, _cpp_process_directive,
373 _cpp_run_directive, _cpp_get_line, _cpp_get_raw_token, _cpp_glue_header_name,
374 _cpp_can_paste, _cpp_check_directive, _cpp_check_linemarker,
375 _cpp_parse_assertion, _cpp_find_answer): Delete.
376 (VALID_SIGN, ALIGN, POOL_FRONT, POOL_LIMIT, POOL_BASE, POOL_SIZE,
377 POOL_USED, POOL_COMMIT, struct cpp_chunk, _cpp_lex_token, _cpp_init_pool,
378 _cpp_free_pool, _cpp_pool_reserve, _cpp_pool_alloc, _cpp_next_chunk,
379 _cpp_lock_pool, _cpp_unlock_pool, _cpp_test_assertion,
380 _cpp_handle_directive, DSC): New.
381 (struct include_file): New member defined.
383 (DO_NOT_REREAD, _cpp_begin_message, _cpp_execute_include,
384 _cpp_compare_file_date): Update.
385 (_cpp_pop_context, _cpp_get_token, _cpp_free_lookaheads, _cpp_push_token): New.
386 (_cpp_init_macros, _cpp_cleanup_macros): Rename to _cpp_init_hashtable,
387 _cpp_cleanup_hashtable.
389 * Makefile.in: Remove cppoutput.c.
391 * cppoutput.c: Delete
393 * fixheader.c (read_scan_file): Update for new cpp_get_token
395 (recognized_function): New argument LINE.
397 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
398 new cpp_get_token prototype.
400 * scan.h (recognized_function): Update prototype.
402 * po/POTFILES.in: Remove cppoutput.c.
404 2000-10-27 Mark Mitchell <mark@codesourcery.com>
406 * c-typeck.c (check_init_type_bitfields): Remove.
407 (constructor_incremental): Likewise.
408 (struct constructor_stack): Remove incremental bit.
409 (struct initializer_stack): Likewise.
410 (start_init): Don't play with constructor_incremental.
411 (finish_init): Likewise.
412 (really_start_incremental_init): Likewise.
413 (push_init_level): Likewise.
414 (pop_init_level): Likewise.
415 (output_init_level): Likewise.
416 (output_pending_init_elements): Likewise.
418 2000-10-21 Mike Coleman <mcoleman2@kc.rr.com>
420 * c-pragma.c (handle_pragma_pack): Initialize align to -1.
421 Improve error messages. Correct parsing of
422 #pragma pack(pop [,id]). Do not check the user-supplied
423 alignment if we're popping.
425 * gcc.dg/pack-test-1.c: New test case.
426 * gcc.dg/pack-test-2.c: New test case.
427 * gcc.dg/pack-test-1.h: New file.
429 2000-10-27 Neil Booth <neilb@earthling.net>
433 2000-10-27 Kelley Cook <kelley.cook@home.com>
435 * invoke.texi: Document -mintel-syntax
437 2000-10-27 Richard Henderson <rth@redhat.com>
439 * invoke.texi: Document -frename-registers. Add it to -O3.
440 * toplev.c (rest_of_compilation): Run regrename before ifcvt2.
441 (enum dump_file_index, dump_file): Update order.
442 (main): Set flag_rename_registers at -O3.
444 2000-10-27 Richard Henderson <rth@redhat.com>
446 * config/alpha/alpha.h (enum reg_class): Add PV_REG.
447 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS): Update.
448 (REG_CLASS_FROM_LETTER): Assign it to 'c'.
449 * config/alpha/alpha.md (call_osf_1): Use it.
450 (call_value_osf_1): Likewise.
452 * config/ia64/ia64.c: Revert 10-23 patch.
453 (ia64_hard_regno_rename_ok): New.
454 * config/ia64/ia64-protos.h: Declare it.
455 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK): Use it.
457 2000-10-27 Bernd Schmidt <bernds@redhat.co.uk>
458 Richard Henderson <rth@redhat.com>
460 * regrename.c: Rewrite to handle multi-register modes and
461 cond_exec instructions.
462 * Makefile.in (regrename.o): Update dependancies.
463 * recog.h (struct operand_alternative): Add is_address.
464 * recog.c (preprocess_constraints) [case 'p']: Set it.
466 2000-10-27 Zack Weinberg <zack@wolery.stanford.edu>
468 * configure.in: If not NO_MINUS_C_MINUS_O, substitute
469 OUTPUT_OPTION with '-o $@'. Make zlibdir, zlibinc relative to
470 top level. Kill oldstyle_subdirs. Do not include
471 $srcdir/$s/Makefile.in in all_lang_makefiles, but do include
472 $outputs. Do not run configure.lang from config.status.
473 Rearrange warning-flag logic to correspond to what the
474 makefile wants. Put special vax stage1 options in
475 @stage1_flags@ not @stage1_warn_cflags@. Don't do anything
476 with extra_c_objs, extra_cxx_objs, or extra_cpp_objs.
477 (--enable-c-cpplib): AC_SUBST(maybe_cpplib) with "libcpp.a" if
478 switch is given, nothing otherwise.
479 * configure.lang: Delete.
481 * Makefile.in: Expunge all traces of extra_c_objs,
482 extra_cxx_objs, and extra_cpp_objs. Set MAYBE_CPPLIB from
483 @maybe_cpplib@. Add $(MAYBE_CPPLIB) to C_AND_OBJC_OBJS. Set
484 warning options via a three level scheme so that -pedantic and
485 -Wtraditional are not used for non-C front ends: LOOSE_WARN,
486 STRICT1_WARN, STRICT2_WARN -> $(@D)-warn, GCC_WARN_CFLAGS ->
487 WARN_CFLAGS. Distinguish STAGE1_CFLAGS from BOOT_CFLAGS.
488 Add -I$(@D) and -I$(srcdir)/$(@D) to INCLUDES.
489 Set OUTPUT_OPTION, ZLIB, ZLIBINC. Do not set P,
490 LANG_FLAGS_TO_PASS. Add OUTPUT_OPTION to all object-file
491 generation rules. Wrap all rules that change the current
492 directory in parentheses; pmake doesn't spawn a new shell for
493 each command. Expunge all references to $(P). When one
494 command depends on another and they're run all at once, use &&
495 to separate them, not ;. Add libgcc_s$(SHLIB_EXT) to files
496 deleted on make clean. Force OUTPUT_OPTION='-o $@' in stage2
499 * objc/Make-lang.in: Wrap all rules that change the current
500 directory in parentheses. Expunge all references to $(P).
501 When one command depends on another and they're run all at
502 once, use && to separate them, not ;. Add OUTPUT_OPTION to
503 all object-file generation rules. Delete obsolete variables.
504 * objc/Makefile.in: Delete.
506 2000-10-27 Jakub Jelinek <jakub@redhat.com>
508 * calls.c (expand_call): If sibcall_failure is set during pass 1,
509 clear tail_call_insns as well.
511 2000-10-27 Nick Clifton <nickc@redhat.com>
513 * config/arm/arm-protos.h (arm_function_ok_for_sibcall): Add
516 2000-10-26 Richard Henderson <rth@redhat.com>
518 * calls.c (expand_call): Supress sibcall if we have a
519 BLKmode return in registers.
521 2000-10-26 Bernd Schmidt <bernds@redhat.co.uk>
523 * ia64.h (PREFERRED_RELOAD_CLASS): Force floating point constants
526 2000-10-26 Nathan Sidwell <nathan@codesourcery.com>
528 * tree.c (make_node, case 't'): Set alignment to that of
530 * expr.c (move_by_pieces_ninsns): Abort if some length remains.
532 2000-10-25 Mark Mitchell <mark@codesourcery.com>
534 * Makefile.in (site.exp): Define HAVE_LIBSTDCXX_V3.
535 * configure.in (enable-libstdcxx-v3): Arrange to have
536 HAVE_LIBSTDCXX_V3 substituted into the output files.
538 2000-10-25 Richard Henderson <rth@redhat.com>
540 * recog.c (constrain_operands): Initialize which_alternative
541 before no alternatives early exit.
543 * cse.c (find_comparison_args): Check that we can reverse a
544 comparison if needed before accepting the substitution.
546 * reload.c (find_reloads_address_part): Kill rtx obstack hackery.
548 * simplify-rtx.c (simplify_relational_operation): Sign extend
549 low words before sign extending to high words.
551 2000-10-25 Nick Clifton <nickc@redhat.com>
553 * config/mcore/mcore.c: Include config.h before system.h.
555 2000-10-25 Ray Essick <essick@ddna.labs.mot.com>
557 * config/mcore/mcore.md (return): Force function epilogue to
558 always be generated to work around epilogue suppression bug in
561 2000-10-25 Joseph S. Myers <jsm28@cam.ac.uk>
563 * c-decl.c (grokdeclarator): Move warning for qualified void
564 return types with -pedantic to when the function type is
565 constructed. At -W, warn in general for qualified function return
566 types, except for volatile void.
567 * invoke.texi: Document this new warning at -W.
569 2000-10-25 Neil Booth <neilb@earthling.net>
571 * cpp.texi: Update with implementation-defined behavior and
574 2000-10-25 Jakub Jelinek <jakub@redhat.com>
576 * stor-layout.c (layout_type): If TYPE_ALIAS_SET was already set on the
577 incomplete type force it into alias set 0.
579 Wed Oct 25 01:02:44 EDT 2000 John Wehle (john@feith.com)
581 * alias.c: Include basic-block.h.
582 (loop_p): New function.
583 (mark_constant_function): Use it.
584 * Makefile.in (alias.o): Update dependencies.
586 2000-10-24 Aldy Hernandez <aldyh@redhat.com>
588 * config/mn10300/mn10300.c (secondary_reload_class): Treat pseudos
591 2000-10-24 Jim Wilson <wilson@cygnus.com>
593 * expmed.c (store_bit_field): Move integer pun code down after
594 code that calls emit_move_insn for entire register move.
595 * stor-layout.c (compute_record_mode): Revert Mar 25, Aug 18, and
596 Oct 20 changes. Only store mode in TYPE_MODE if RECORD_TYPE.
598 2000-10-24 Richard Henderson <rth@cygnus.com>
600 * rtlanal.c (rtx_unstable_p, rtx_varies_p): Don't consider pic
601 register stable if PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
603 2000-10-24 Aldy Hernandez <aldyh@redhat.com>
605 * gcse.c (cprop_insn): do not propagate constants into jump_insn
606 for machines with CC0 more than once.
608 2000-10-24 Richard Henderson <rth@cygnus.com>, Aldy <aldyh@cygnus.com>
610 * config/mn10300/mn10300.h (PREFERRED_RELOAD_CLASS): Treat
611 pseudos just like memory.
613 2000-10-24 Alexandre Oliva <aoliva@redhat.com>
615 * combine.c (distribute_notes): Discard REG_LIBCALL and REG_RETVAL
616 when deleting libcall sequence collapsed to a single instruction.
618 2000-10-24 Andrew Haley <aph@cygnus.co.uk>
620 * expr.c (do_store_flag): Don't crash if either side of a
621 comparison is error_mark_node.
623 2000-10-24 Jakub Jelinek <jakub@redhat.com>
625 * sibcall.c (purge_mem_unchanging_flag): New function.
626 (optimize_sibling_and_tail_recursive_calls): Call it.
628 2000-10-24 Philipp Thomas <pthomas@suse.de>
630 * Makefile.in (check-po): New target for doing checks in the po
631 subdir if all languages configured.
632 (CHECK_TARGETS): Add @CHECK_PO@, replaced with check-po via
633 configure if NLS is enabled.
634 * configure.in: If NLS is enabled, substitute CHECK_PO by check-po,
635 otherwise leave empty.
636 * configure: Regenerate.
638 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
640 * i386.c (print_operand): Handle new 'A' formatting code.
641 387 opcodes need suffixes even with -mintel-syntax.
642 Check for explicit size override (codes 'b', 'w' and 'k').
643 (print_operand_address): Check if register prefix is needed when
644 emitting `ds' segment override.
645 * i386.h: Add comment about new 'A' formatting code.
646 * i386.md (jump and call patterns): Emit absolute references using %A.
648 2000-10-23 Richard Henderson <rth@cygnus.com>
650 * config/ia64/ia64.c (ia64_expand_prologue): Mark extra
651 output registers as fixed.
652 (ia64_function_epilogue): Undo output fixation.
654 2000-10-23 Richard Henderson <rth@cygnus.com>
656 * config/alpha/alpha.md: Add names for all unnamed insns; use
657 define_insn_and_split in some obvious places.
659 (zero_extendqihi2): Use an expander w/ nonimmediate_operand for BWX.
660 (zero_extendqisi2, zero_extendqidi2): Likewise.
661 (zero_extendhisi2, zero_extendhidi2): Likewise.
662 (abs splitters): Fix match_scratch operand number.
663 (bcc_reverse): Swap pc & label instead of non-canonical compare.
665 2000-10-23 Jim Wilson <wilson@cygnus.com>
667 * ia64.c (ia64_print_operand, case 'r'): Correct comment. Handle
669 * ia64.md (cmpsi_adjusted): Use %r3.
670 (cmpdi_adjusted): Likewise.
672 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
674 * config/i386/att.h (ASM_FILE_START): Define.
676 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
678 * config/i386/linux.h (ASM_FILE_START): Define.
680 Wed Oct 18 11:16:40 2000 Donald Lindsay <dlindsay@cygnus.com>
682 * gcc/configure.in: m68k-coff tm_file should not have libgloss.h,
683 since this (only) drags in a crt0.o reference that the .ld files
686 2000-10-23 Geoff Keating <geoffk@cygnus.com>
688 * reload1.c (reload_reg_reaches_end_p): A RELOAD_OTHER can
689 overwrite the value in a RELOAD_FOR_INPUT and other kinds of
690 reloads just like an RELOAD_FOR_OUTPUT would.
692 * local-alloc.c (update_equiv_regs): Add an abort(). When
693 deleting or moving insns, update reg_equiv[regno].init_insns.
695 2000-10-23 Mark Mitchell <mark@codesourcery.com>
697 * c-tree.texi: Improve documentation for IF_STMTs and related
698 conditional statements.
700 2000-10-22 Mark Mitchell <mark@codesourcery.com>
702 * expr.c (do_preexpand_calls): Remove.
703 (same_from_p): Don't use CALL_EXPR_RTL.
704 (expand_expr): Don't call preexpand_calls, or use CALL_EXPR_RTL.
705 (preexpand_calls): Remove.
706 * tree.c (first_rtl_op): Remove CALL_EXPR case.
707 (unsave_expr_1): Likewise.
708 * tree.def (CALL_EXPR): Give it only two slots.
709 * tree.h (CALL_EXPR_RTL): Remove.
711 2000-10-21 Chandrakala Chavva <cchavva@redhat.com>
713 * libgcc-std.ver (__addvsi3, __addvdi3, __subvsi3, __subvdi3,
714 __mulvsi3, __negvsi2, __negvdi2, __absvsi2, __absvdi2, __mulvdi3):
717 2000-10-22 Alexandre Oliva <aoliva@redhat.com>
719 * calls.c (combine_pending_stack_adjustment_and_call): Don't
720 adjust stack when unadjusted_alignment ends up as zero.
722 2000-10-22 Joseph S. Myers <jsm28@cam.ac.uk>
724 * fixinc/genfixes: Remove EGCS reference.
725 * install.texi: Remove EGCS reference.
726 * INSTALL: Regenerate.
728 2000-10-22 Mark Mitchell <mark@codesourcery.com>
730 * tree.h (TYPE_IS_SIZETYPE): Add more documentation.
732 2000-10-21 Joseph S. Myers <jsm28@cam.ac.uk>
734 * diagnostic.c: Remove EGCS reference in comment.
736 Sat Oct 21 08:24:25 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
738 * loop.c (strength_reduce): Fix error in last change.
740 2000-10-20 David Edelsohn <edelsohn@gnu.org>
742 * Makefile.in (SHLIB_NM_FLAGS): New.
743 (libgcc.mk): Pass it.
744 * mklibgcc.in (libgcc.map): Use it.
746 * rs6000/t-aix43 (SHLIB_EXT, SHLIB_LINK, SHLIB_LIBS,
747 SHLIB_MKMAP, SHLIB_MAPFILES, SHLIB_NM_FLAGS): New.
749 2000-10-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
751 * mips.h (REG_CLASS_FROM_LETTER): Cast array arg to unsigned char.
753 * sparc.c (load_pic_register): Delete unused varaible.
755 * libgcc2.c (__addvsi3): Delete unused variable.
757 * libgcc2.h (__absvsi2, __absvdi2, __addvsi3, __addvdi3,
758 __subvsi3, __subvdi3, __mulvsi3, __mulvdi3, __negvsi2,
759 __negvdi2): Prototype.
761 * ssa.c (apply_delayed_renames): Avoid undefined operation.
763 * toplev.c (display_target_options): Make static to match
764 prototype. Delete empty declaration.
766 2000-10-20 Tom Tromey <tromey@cygnus.com>
768 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Added -MF and -MT.
769 * gcc.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Added -MF and -MT.
771 Fri Oct 20 17:05:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
773 * expr.c (expand_expr, case SAVE_EXPR): Set RTX_UNCHANGING_P on
775 (expand_expr_unaligned, case ARRAY_REF): Check that index is
776 a constant before comparing it; use tree_low_cst.
777 * tree.c (save_expr): Set TREE_READONLY.
778 (substitute_expr): Return inside of NON_LVALUE_EXPR.
779 (build, build1): Set TREE_READONLY if all operands are.
780 (build_index_type): If upper bound is a negative number, lower
781 bound is zero and sizetype is unsigned, use upper bound of one and
784 2000-10-20 David Edelsohn <edelsohn@gnu.org>
786 * gcc.c (process_command, main): Use "because" instead of
787 "since" in error messages.
789 Fri Oct 20 13:33:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
791 * stor-layout.c (compute_record_mode): Use tree_low_cst.
792 Don't use mode of field for record unless sizes are the same.
793 (layout_type, case ARRAY_TYPE): Remove special bounds handling
794 previously added for Ada; also change to using host_integerp
797 * loop.c (strength_reduce): Show when new register made for
798 giv is known to be a pointer and its aligment if so and known.
799 (loop_dump_aux): Show VERBOSE parameter unused.
801 * gcse.c (set_hash_table_size): Now unsigned.
802 * sdbout.c (template_name_p): Add "const" to avoid warnings.
803 (sdbout_record_type_name, plain_type_1, sdbout_symbol): Likewise.
804 (sdbout_one_type, sdbout_parms, sdbout_reg_parms): Likewise.
805 (sdbout_end_epilogue): Remove variable NAME.
806 * system.h (getopt): Add default definition.
807 * config/alpha/alpha.c (print_operand): Don't continue processing
809 (summarize_insn): Avoid use of UL in constant.
811 * function.c (locate_and_pad_parm): Use host_integerp and tree_low_cst.
813 * fold-const.c (force_fit_type): Unsigned values can overflow
814 if they are sizetype.
815 (int_const_binop): Don't use cache if overflows.
817 2000-10-20 Richard Henderson <rth@cygnus.com>
819 * function.c (locate_and_pad_parm): Zero alignment_pad.
821 * regrename.c (rr_replace_reg): Rewrite to use recog_data to
822 perform substitutions, and apply_change_group to see if it worked.
824 Fri Oct 20 13:33:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
826 * dwarf2out.c (add_bound_info): Also ignore COND_EXPR.
828 * combine.c (struct undo): Change int to unsigned int.
829 (do_SUBST_INT): Args are unsigned int.
830 (make_extraction, force_to_mode): Use proper type when forming mask.
831 (make_field_assignment): Likewise.
833 2000-10-20 Joseph S. Myers <jsm28@cam.ac.uk>
835 * c-common.c (check_format_info_recurse): Extract string constant
836 initializers from non-volatile constant arrays and check them as
838 * c-typeck.c (decl_constant_value): Don't check pedantic or check
839 for DECL_MODE (decl) != BLKmode.
840 (decl_constant_value_for_broken_optimization): New function which
841 includes these checks.
842 (default_conversion, convert_for_assignment, digest_init): Use
843 decl_constant_value_for_broken_optimization instead of
846 2000-10-20 Mark Mitchell <mark@codesourcery.com>
848 * tree.h (DECL_ALIGN_UNIT): New macro.
850 2000-10-14 Marek Michalkiewicz <marekm@linux.org.pl>
852 * config/avr/avr-protos.h (avr_output_bld): New.
853 (out_shift_with_cnt): Add t_len argument.
854 * config/avr/avr.c (avr_num_arg_regs): Remove -mpack-args.
855 (output_movqi, output_movhi, output_movsisf): Optimize loading
856 any constant with exactly one bit set to NO_LD_REGS.
857 (out_shift_with_cnt): Optimize output code for size or speed,
858 depending on optimize_size. Handle small shift counts as well
859 (if not hand-optimized in ?sh??i3_out). Shifts can be done
860 with or without a scratch register, with help of __tmp_reg__
861 or __zero_reg__ if necessary. Add T_LEN argument to pass the
862 length of TEMPLATE in words, return total insn length in *LEN.
863 (ashlqi3_out, ashrqi3_out, lshrqi3_out): Change all calls to
864 out_shift_with_cnt to work with the above change.
865 (ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out, lshrhi3_out,
866 lshrsi3_out): Likewise. Optimize more known shift count cases.
867 Remove cases already well optimized in out_shift_with_cnt.
868 (avr_output_bld): New function.
869 * config/avr/avr.h (MASK_PACK_ARGS, TARGET_PACK_ARGS): Remove.
870 (TARGET_SWITCHES): Remove -mpack-args backward compatibility.
871 * config/avr/avr.md (*reload_inqi, *reload_inhi, *reload_insi):
872 Add reload_completed to insn condition - only for peepholes.
873 (ashlqi3, ashrqi3, lshrqi3): Correct insn length for shift counts
874 in a register or memory.
875 (ashlhi3, ashlsi3, ashrhi3, ashrsi3, lshrhi3, lshrsi3): Likewise.
876 Do not require a scratch register.
877 (*ashlhi3_const, *ashlsi3_const, *ashrhi3_const, *ashrsi3_const,
878 *lshrhi3_const, *lshrsi3_const): New insns and matching peepholes.
879 Optimize shifts by known count using a scratch register, but only
880 if one is still available after register allocation.
882 2000-10-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
884 * t-vax: New file. Don't build modules from libgcc1.c.
886 Fri Oct 20 00:57:00 EDT 2000 John Wehle (john@feith.com)
888 * alias.c: (mark_constant_function): Don't check pure functions.
889 Initialize and end alias analysis.
890 (nonlocal_mentioned_p): Rename from nonlocal_reference_p.
891 Don't make a special exception for recursion. Handle
892 UNSPEC_VOLATILE. Don't assume ASM_OPERANDS is non-local
893 unless it's volatile.
895 * local-alloc.c (equivalence): New structure.
897 (contains_replace_regs): Remove array and use
899 (memref_referenced_p): Likewise.
900 (no_equiv): Likewise.
901 (update_equiv_regs): Likewise.
903 (equiv_init_varies_p,
904 equiv_init_movable_p): New functions.
905 (update_equiv_regs): Use them. Use rtx_varies_p
906 instead of function_invariant_p. Process insns
907 from end to beginning. Allow a REG_EQUIV insn
908 within the same loop as a use to be moved, also
909 allow it to be moved out of a loop. Update
910 REG_DEAD notes when substituting into an insn.
912 2000-10-19 Jim Wilson <wilson@cygnus.com>
914 * c-decl.c (start_decl): Check for error_mark_node type before using
916 (finish_decl): Likewise. Don't give an error if decl type is
917 already error_mark_node.
919 * haifa-sched.c (compute_trg_info): Add explanatory comments.
920 New local update_blocks. Use update_blocks to remove duplicates
921 when computing update blocks. Check for bblst_table overflow.
922 (schedule_block): Add explanatory comment. Reduce bblst_size by
924 * config/ia64/ia64.md (movdi_symbolic): Document loss of REG_LABEL
927 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
929 * libgcc2.c (_mulvsi3): Change variables u and v to a and b.
931 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
933 * expmed.c: Minor corrections in comments.
934 * invoke.texi: Added desciption for the new option -ftrapv.
936 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
938 * libgcc2.c: Added the missing #endif.
940 Thu Oct 19 14:25:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
942 * i386.h (CONST_OK_FOR_LETTER): Re-add 'N'; document.
944 2000-10-18 Chandrakala Chavva <cchavva@redhat.com>
946 * expmed.c (expand_mult): Don't do synth_mult optimization for -ftrapv.
947 Use smulv_optab for -ftrapv.
948 (expand_mult_highpart): Use unsigned multiply.
949 (expand_divmod): Special-case division by -1.
950 For EXACT_DIV_EXPR, do right shift first, then the multiply.
951 For complex divide, use abs with unsigned result.
952 * expr.c (force_operand): Use unsigned multiply.
953 (expand_expr): Use overflow-trapping optabs for signed types if
955 If flag_trapv, don't generate a recursive call with EXPAND_SUM
956 if the type is signed and the original call wasn't EXPAND_SUM or
958 * expr.h (addv_optab, subv_optab, smulv_optab, sdivv_optab): Declare.
959 (negv_optab, absv_optab): Declare.
960 * flags.h (flag_trapv): Declare.
961 * genopinit.c (optabs): Add entries for addv_optab, subv_optab,
962 smulv_optab, sdivv_optab, negv_optab and absv_optab.
963 (gen_insn): Interpret '$P' as requiring an integer mode,
964 including partial integer modes.
965 * loop.c (emit_iv_add_mult): Use unsigned expand_mult_add.
966 (product_cheap_p): Use unsigned expand_mult.
967 * optabs.c (addv_optab, subv_optab, smulv_optab, sdivv_optab): Define.
968 (negv_optab, absv_optab): Define.
969 (expand_binop): Use overflow-trapping optabs for signed types if
971 Handle negv_optab libe neg_optab.
972 (expand_abs): Take result_unsignedp argument instead of unsignedp one.
973 Use overflow-trapping optabs for signed result if flag_trapv.
974 (expand_complex_abs): Use overflow-trapping optabs for signed types if
976 Don't open-code complex absolute-value operation for flag_trapv.
977 (init_optabs): Initialize addv_optab, subv_optab, smulv_optab,
978 sdivv_optab, negv_optab and absv_optab.
979 * toplev.c (flag_trapv): Define.
980 (lang_independent_options f_options): Include flag_trapv.
981 * tree.h (TYPE_TRAP_SIGNED): Define.
982 * libgcc2.c (__addvsi3, __addvdi3, __subvsi3,__subvsi3, __subvdi3,
983 __mulvsi3, __negvsi2, __negvdi2, __absvsi2, __absvdi2, __mulvdi3):
985 * Makefile.in: add _absvsi2 _absvdi2 _addvsi3 _addvdi3 _subvsi3
986 _subvdi3 _mulvsi3 _mulvdi3 _negvsi2 _negvdi2.
988 2000-10-18 Geoffrey Keating <geoffk@cygnus.com>
989 David V. Henkel-Wallace <gumby@cygnus.com>
991 * config/i386/t-netware: Bring in from the Red Hat tree.
992 * config/i386/netware.h: Likewise.
993 * config/netware.h: Likewise.
994 * config/rs6000/netware.h: Delete.
995 * configure.in: Add i[34567]86-*-netware.
996 * configure: Hand-edit to match configure.in change.
998 2000-10-18 Mark Mitchell <mark@codesourcery.com>
1000 * c-common.h (flag_no_builtin): Declare.
1001 (flag_no_nonansi_builtin): Likewise.
1002 (c_common_nodes_and_builtins): Change prototype.
1003 * c-common.c (flag_no_builtin): New variable.
1004 (flag_no_nonansi_builtin): Likewise.
1005 (c_common_nodes_and_builtins): Remove parameters. Adjust
1007 * c-decl.c (flag_no_builtin): Remove.
1008 (flag_no_nonansi_builtin): Likewise.
1009 (init_decl_processing): Adjust call to
1010 c_common_nodes_and_builtins.
1012 2000-10-18 Marc Espie <espie@openbsd.org>
1014 * tm.texi (LIBGCC_SPEC): Synch with reality.
1016 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
1018 * c-common.c (check_format_types): Check for writing through a
1019 NULL pointer argument.
1021 2000-10-18 Hans-Peter Nilsson <hp@axis.com>
1023 * tm.texi (Exception Region Output): Document
1024 DWARF_CIE_DATA_ALIGNMENT.
1025 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Wrap definition in
1027 [ENABLE_CHECKING] (reg_save): Abort if offset is not a multiple of
1028 DWARF_CIE_DATA_ALIGNMENT.
1030 2000-10-18 Michael Hayes <mhayes@cygnus.com>
1032 * basic-block.h (struct loop): Delete fields pre_header_root
1033 and pre_header_trace and replace with pre_header_edges
1034 and num_pre_header_edges.
1035 * flow.c (flow_loop_dump): Dump pre_header_edges.
1036 (flow_loops_free): Free pre_header_edges.
1037 (flow_loop_pre_header_scan): Calculate pre_header_edges.
1039 2000-10-18 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1041 * contrib.texi: Update references to steering committee members
1042 and Jeff Law's entry.
1044 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
1046 * c-common.c (CPLUSPLUS_STD_VER, C_STD_VER, C_STD_NAME): Define.
1047 (maybe_read_dollar_number, check_format_info_main): Use them for
1048 pedantic warning messages.
1050 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
1052 * c-common.c (check_format_info_main): Minor cleanup: move
1053 variables into inner scopes; initialize declarations where
1054 appropriate; don't hardcode "scanf" name on warning for zero
1057 2000-10-17 Mark Mitchell <mark@codesourcery.com>
1059 * c-common.c (back_end_hook): New variable.
1060 * c-common.h (back_end_hook): Declare it.
1061 * c-lang.c (finish_file): Use it.
1063 * emit-rtl.c (init_emit_once): Initialize the const_int_htab
1066 2000-10-18 Jan Hubicka <jh@suse.cz>
1068 * i386.c (ix86_comparison_operator, put_condition_code,
1069 ix86_match_ccmode, ix86_cc_mode): Handle CCRCmode.
1070 (ix86_expand_strlensi_unroll_1): Use CCRCmode.
1071 * i386.h (EXTRA_CC_MODES): Add CCRCmode.
1072 * i386.md (adddi and negdi splitter): Use CCRCmode.
1073 (add?i_3, add?i_4, add?i_5): Use CCRCmode; swap operands
1074 (subsi3_carry): add '*'
1075 (addsi3_carry_rc, subsi3_carry_rc, x86_movsicc_0_m1_rc): New.
1076 (cmp to add peep2): Use CCRCmode; swap operands.
1078 2000-10-18 Kazu Hirata <kazu@hxi.com>
1080 * h8300.c: Fix a comment typo.
1081 (round_frame_size): New.
1082 (compute_saved_regs): Likewise.
1085 (push_order): Remove.
1086 (pop_order): Likewise.
1087 (function_prologue): Rearrange code for readability.
1088 (function_epilogue): Likewise.
1090 * config/h8300/h8300.md: Remove an unnecessary sign_extend
1091 expander that is used when not optimizing. Output a tab after
1092 each assembly insns.
1094 * reorg.c: Fix formatting.
1096 2000-10-17 Joern Rennecke <amylaar@redhat.co.uk>
1098 * reload1.c (move2add_note_store): Check for simple
1099 auto-inc in destination.
1101 2000-10-17 Michael Chastain <chastain@redhat.com>
1103 * config/i386/i386-aout.h: define INT_ASM_OP.
1105 Tue Oct 17 20:11:08 2000 Alan Modra <alan@linuxcare.com.au>
1107 * pa.c (print_operand): Handle case 'c' for .vtable_inherit
1109 Tue Oct 17 20:05:51 2000 Martin Buchholz <martin@xemacs.org>
1111 * i370.md: Fix spelling typo.
1113 2000-10-17 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1115 * function.c (locate_and_pad_parm): Don't align stack unconditionally.
1116 Fixes execute/20001017-1.c on powerpc-linux-gnu.
1118 * expr.c (store_constructor): Apply MEM_ALIAS_SET to MEMs only.
1119 * rs6000/rs6000.c (rs6000_hash_constant): Use X0INT to access a
1122 * rs6000/rs6000.h (NO_DOLLAR_IN_LABEL, DOLLARS_IN_IDENTIFIERS,
1123 ENCODE_SECTION_INFO, ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Move from
1125 * rs6000/aix.h: ...to here.
1126 * rs6000/linux.h (ASM_APP_ON, ASM_APP_OFF): Define to Linux-style.
1128 2000-10-17 Jakub Jelinek <jakub@redhat.com>
1130 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Reload gp if needed.
1132 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): Always use call, make
1133 sure linker can relax even the delay slot mov %g1,%o7, fix output
1136 2000-10-17 Kazu Hirata <kazu@hxi.com>
1138 * config/h8300/h8300.md: Remove an unnecessary zero_extend
1139 expander that is used when not optimizing. Output a tab after
1140 each assembly insns.
1142 2000-10-17 Chandrakala Chavva <cchavva@redhat.com>
1144 * gcc.c: New options --target-help.
1145 (process_command): Added code to parse this new option.
1146 * toplev.c (display_target_options): New function to support the
1148 * cppinit.c (new_pending_directive) : New option OPT_target__help.
1149 (cpp_handle_option): Support this new option.
1150 * invoke.texi: Added notes about --target-help option.
1152 2000-10-17 Graham Stott <grahams@redhat.com>
1154 * config/i386/i386.md (testqi_1): Add missing operand prefix
1156 * config/i386/i386-protos.h: Add missing prototype.
1158 2000-10-17 Diego Novillo <dnovillo@cygnus.com>
1160 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Symbol
1161 _GLOBAL_OFFSET_TABLE should not have a $ prefix when
1162 using -mintel-syntax.
1164 2000-10-17 Joseph S. Myers <jsm28@cam.ac.uk>
1166 * c-common.c (FMT_FLAG_DOLLAR_MULTIPLE): Define.
1167 (format_types): Use it for printf.
1168 (maybe_read_dollar_number): Add parameter for the kind of format
1169 involved. Warn for multiple use for arguments if this is
1170 inappropriate for the kind of format involved.
1171 (check_format_info_main): Update calls to maybe_read_dollar_number.
1173 2000-10-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1175 * inclhack.def (hpux_maxint): Also apply fix to values.h.
1176 * fixincl.x: Rebuilt.
1178 2000-10-17 Alexandre Oliva <aoliva@redhat.com>
1180 * genrecog.c (write_switch): Return the first condition that needs a
1183 2000-10-17 Bernd Schmidt <bernds@redhat.co.uk>
1185 * c-tree.h (warn_sequence_point): Move declaration to...
1186 * c-common.h (warn_sequence_point): ... here.
1187 * c-decl.c (warn_sequence_point): Move definition to...
1188 * c-common.c (warn_sequence_point): ... here.
1189 (struct reverse_tree): New.
1190 (reverse_list, reverse_max_depth): New static variables.
1191 (build_reverse_tree, common_ancestor, modify_ok
1192 verify_sequence_points): New functions.
1193 (c_expand_expr_stmt): Call verify_sequence_points if -Wsequence-point.
1194 * c-typeck.c (check_modify_expr): Delete.
1195 (build_modify_expr): Don't call it.
1197 2000-10-17 Joseph S. Myers <jsm28@cam.ac.uk>
1199 * c-common.h (warn_missing_format_attribute): New variable.
1200 * c-decl.c (warn_missing_format_attribute): New variable.
1201 (c_decode_option): Decode -Wmissing-format-attribute and
1202 -Wno-missing-format-attribute.
1203 * c-common.c (check_function_format): If
1204 -Wmissing-format-attribute, give a warning where a vprintf or
1205 vscanf function is called by a function without its own printf or
1207 * toplev.c (documented_lang_options): Add
1208 -Wmissing-format-attribute.
1209 * invoke.texi: Document -Wmissing-format-attribute.
1211 2000-10-17 Marc Espie <espie@openbsd.org>
1213 * invoke.texi (-shared): Insist on requiring code generation flags
1214 to be used along with -shared, and document the subtle failure that
1215 may occur otherwise.
1217 2000-10-16 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1219 * pa.md (return_internal): Move `use' after `return'.
1221 2000-10-16 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
1223 * machmode.def: Correct comment.
1225 2000-10-16 Rodney Brown <RodneyBrown@mynd.com>
1227 * print-rtl.c (print_rtx_head): Constify.
1228 * rtl.h (print_rtx_head): Similarly.
1230 * config/pa/pa/pa-protos.h (output_64bit_and, output_64bit_ior):
1231 Constify char * return value.
1233 (output_64bit_and, output_64bit_ior): Constify char * return value.
1234 (pa_can_combine_p): Make static.
1235 (function_arg): Decorate unused `named' argument. Fix comment typo.
1236 (function_arg_partial_nregs): Decorate unused `named' argument.
1238 2000-10-16 Joseph S. Myers <jsm28@cam.ac.uk>
1240 * c-common.c (format_check_results): New structure.
1241 (finish_dollar_format_checking): Adjust to take a
1242 format_check_results * parameter.
1243 (check_format_info, check_format_info_recurse,
1244 check_format_info_main): Split check_format_info into three
1245 functions, the main checking going in check_format_info_main.
1246 Recurse when any reduction of the format string argument towards a
1247 string literal is done; go down both branches of a conditional
1248 expression. Don't warn for extra format arguments or empty format
1249 strings if they only occur in some branches of a conditional
1252 2000-10-16 Kazu Hirata <kazu@hxi.com>
1254 * config/h8300/h8300.c: Remove obstack. Include ggc.h.
1256 2000-10-16 Jakub Jelinek <jakub@redhat.com>
1258 * rtlanal.c (may_trap_p): Check operand modes of COMPARE.
1260 2000-10-15 Diego Novillo <dnovillo@cygnus.com>
1262 * i386.md (*movsi_or): Switch operand order for intel syntax.
1264 2000-10-14 Joseph S. Myers <jsm28@cam.ac.uk>
1268 * gcc.texi (Contributing): Update.
1270 2000-10-13 Diego Novillo <dnovillo@cygnus.com>
1272 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Output final jump using
1273 appropriate assembler dialect.
1275 2000-10-13 Alexandre Oliva <aoliva@redhat.com>
1277 * c-common.c (c_expand_builtin): PARAMS-ize prototype.
1279 2000-10-12 Marek Michalkiewicz <marekm@linux.org.pl>
1281 * config/avr/avr.c (output_movhi, output_movsisf): Fix loading
1282 constants 1 and 2 to NO_LD_REGS.
1284 2000-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1286 * Makefile.in (c-parse.c, tradcif.c): Create atomically.
1288 * objc/Make-lang.in (objc-parse.c): Likewise.
1290 2000-10-13 Richard Earnshaw <rearnsha@arm.com>
1292 * arm.c: Include obstack.h
1293 (minipool_obstack, minipool_startobj): Define.
1294 (arm_add_gc_roots): Initialize them.
1295 (create_fix_barrier): Use our new obstack.
1296 (push_minipool_barrier, push_minipool_fix): Likewise.
1297 (arm_reorg): Release obstack memory.
1299 2000-10-13 Jakub Jelinek <jakub@redhat.com>
1301 * config/sparc/sparc.md (nonlocal_goto_receiver): Remove.
1302 (prologue, exception_receiver, builtin_setjmp_receiver): New
1304 * config/sparc/sparc.h (FINALIZE_PIC): Remove.
1305 * config/sparc/sparc-protos.h (finalize_pic): Remove.
1306 (load_pic_register): New prototype.
1307 * config/sparc/sparc.c (pic_setup_code): Remove.
1308 (finalize_pic): Rename to...
1309 (load_pic_register): ...this function.
1310 Don't look for nonlocal_goto_receivers and emit pic setup code
1311 directly. Don't check current_function_uses_pic_offset_table.
1313 2000-10-13 Richard Earnshaw <rearnsha@arm.com>
1315 * tree.h (struct obstack): Declare.
1317 2000-10-12 Mark Mitchell <mark@codesourcery.com>
1320 * Makefile.in (ggc-callbacks.o): Remove target.
1321 (flow.o): Depend on GGC_H.
1322 * alias.c (init_alias_analysis):
1323 Remove ggc_p conditionals.
1324 (end_alias_analysis): Likewise.
1325 * basic-block.h (init_flow): New function.
1326 (allocate_reg_life_data): Declare.
1327 * bb-reorder.c (function_obstack): Replace with ...
1328 (flow_obstack): ... new variable.
1329 (fixup_reorder_chain): Use it.
1330 * c-decl.c (ggc_p): Remove.
1331 (caller-save.c): Don't call oballoc/obfree.
1333 undobuf): Remove storage.
1334 (try_combine): Don't call oballoc.
1335 (undo_all): Don't call obfree.
1336 * cse.c (insert): Use xmalloc, not
1338 (cse_main): Adjust accordingly.
1339 * dwarf2out.c (save_rtx): Remove
1341 (dwarf2out_init): Remove ggc_p conditionals.
1342 * emit-rtl.c (rtl_obstack): Remove.
1343 (gen_rtx_CONST_INT): Remove ggc_p conditionals.
1344 (make_insn_raw): Likewise.
1345 (emit_insn_before): Likewise.
1346 (emit_insn_after): Likewise.
1347 (emit_insn): Likewise.
1348 (gen_sequence): Likewise.
1349 (copy_insn_1): Remove handling of `b' RTL components.
1350 (init_emit_once): Remove ggc_p conditionals.
1351 * except.c (create_rethrow_ref): Don't fool with obstacks.
1352 (add_partial_entry): Likewise.
1353 (call_get_eh_context): Likewise.
1354 (begin_protect_partials): Likewise.
1355 (protect_with_terminate): Likewise.
1357 (plus_constant_wide): Likewise.
1358 * expr.c (init_expr_once):
1360 (emit_block_move): Likewise.
1361 (clear_storage): Likewise.
1362 (expand_expr): Likewise.
1363 * flow.c (function_obstack): Remove.
1364 (flow_obstack): New variable.
1365 (flow_firstobj): Likewise.
1366 (create_base_block): Use the flow_obstack.
1367 (split_block): Likewise.
1368 (split_edge): Likewise.
1369 (calculate_global_regs_live): Likewise.
1370 (allocate_bb_life_data): Make it static. Likewiwse.
1371 (init_flow): New function.
1372 (size_int_type_wide): Remove ggc_p conditionals.
1374 (push_function_context_to): Don't call save_tree_status.
1375 (pop_function_context_from): Or restore_tree_status.
1376 (assign_stack_local_1): Don't call push_obstacks.
1377 (find_fixup_replacement): Use xmalloc.
1378 (fixup_var_refs_insns): Free the storage.
1379 (insns_for_mem_walk): Don't mess with obstacks.
1380 (instantiate_decls): Likewise.
1381 (trampoline_address): Likewise.
1382 (expand_function_end): Likewise.
1383 * function.h (sturct function):
1384 Remove obstack-related variables.
1385 (save_tree_status): Don't declare.
1386 (restore_tree_status): Likewise.
1387 * gcse.c (compute_can_copy):
1388 Don't call oballoc/obfree.
1389 * genattrtab.c (operate_exp): Remove
1391 (simplify_cond): Likewise.
1392 (simplify_test_exp): Don't mess with obstacks.
1393 (optimize_attrs): Likewise.
1394 * gengenrtl.c (gendef): Don't include
1396 * ggc-callbacks.c (ggc_p): Remove.
1397 * ggc-none.c (ggc_p): Remove.
1398 * ggc.h (ggc_p): Don't declare.
1399 * integrate.c (save_for_inline): Don't mess with obstacks.
1400 (integrate_decl_tree): Likewise.
1401 (output_inline_function): Likewise.
1403 (init_EXPR_INSN_LIST_cache): Likewise.
1404 * loop.c (temp_obstack):
1406 (rtl_obstack): Likewise.
1407 (init_loop): Don't mess with obstacks.
1408 (reg_address_cost): Free BIVs and GIVs.
1409 (check_insns_for_bivs): Use xmalloc, not oballoc.
1410 (find_mem_givs): Likewise.
1411 (record_biv): Likewise.
1412 (general_induction_var): Likewise.
1413 (product_cheap_p): Likewse.
1414 * optabs.c (init_one_libfunc): Remove
1416 * print-tree.c (debug_tree): Don't use
1418 (print_node): Likewise.
1419 * profile.c (output_func_start_profiler):
1420 Remove call to temporary_allocation.
1422 (eliminate_regs_in_insn): Don't mess with obstacks.
1424 (mark_target_live_regs): Use xmalloc.
1425 (free_resource_info): Free the memory.
1426 * rtl.c (rtl_obstack):
1428 (rtvec_alloc): Don't mess with obstacks.
1429 (rtx_alloc): Likewise.
1431 (copy_rtx): Don't handle `b' cases.
1432 (read_rtx): Use a local rtl_obstack.
1433 * rtl.h (oballoc): Remove.
1435 (pop_obstacks): Likewise.
1436 (push_obstacks): Likewise.
1437 (allocate_bb_life_data): Likewise.
1438 (allocate_reg_life_data): Likewise.
1439 (rtx_free): Likewise.
1440 * sdbout.c (sdbout_queue_anonymous_type):
1441 Use tree_cons, not saveable_tree_cons.
1443 (cselib_init): Don't mess with obstacks.
1445 (mark_block_nesting): Mark the label_chain.
1446 (epxand_label): Use ggc_alloc, not oballoc.
1447 (clear_last_expr): Don't mess with obstacks.
1448 (expand_decl_cleanup): Likewise.
1449 (expand_dcc_cleanup): Likewise.
1450 (expand_dhc_cleanup): Likewise.
1451 (expand_anon_union_decl): Likewise.
1452 (add_case_node): Use xmalloc, not oballoc.
1453 (free_case_nodes): New function.
1454 (expand_end_case): Call it.
1455 * stor-layout.c (layout_type): Don't
1457 (layout_type): Likewise.
1458 * toplev.c (wrapup_global_declarations):
1460 (compile_file): Remove ggc_p conditionals.
1461 (rest_of_compilation): Call init_flow. Remove ggc_p conditionals.
1462 (decode_f_option): Remove ggc_p conditionals.
1464 (function_maybepermanent_obstack): Remove.
1465 (maybepermanent_obstack): Likewise.
1466 (function_obstack): Likewise.
1467 (tmeporary_obstack): Likewise.
1468 (momentary_obstack): Likewise.
1469 (temp_decl_obstack): Likewise.
1470 (saveable_obstack): Likewise.
1471 (rtl_obstack): Likewise.
1472 (current_obstack): Likewise.
1473 (expression_obstack): Likewise.
1474 (struct obstack_stack): Likewise.
1475 (obstack_stack): Likewise.
1476 (obstack_stack_obstack): Likewise.
1477 (maybepermanent_firstobj): Likewise.
1478 (temporary_firstobj): Likewise.
1479 (momentary_firstobj): Likewise.
1480 (temp_decl_firstobj): Likewise.
1481 (momentary_function_firstobj): Likewise.
1482 (all_types_permanent): Likewise.
1483 (struct momentary_level): Likewise.
1484 (momentary_stack): Likewise.
1485 (init_obstacks): Remove initialization of removed obstacks.
1486 (save_tree_status): Remove.
1487 (restore_tree_status): Likewise.
1488 (temporary_allocation): Liekwise.
1489 (end_temporary_allocation): Liekwise.
1490 (resume_temporary_allocation): Likewise.
1491 (saveable_allocation): Likewise.
1492 (push_obstacks): Likewise.
1493 (push_obstacks_nochange): Likewise.
1494 (pop_obstacks): Likewise.
1495 (allocation_temporary_p): Likewise.
1496 (permanent_allocation): Likewise.
1497 (preserve_data): Likewise.
1498 (preserve_initializer): Likewise.
1499 (rtl_in_current_obstack): Likewise.
1500 (rtl_in_saveable_obstack): Likewise.
1501 (oballoc): Likewise.
1503 (savealloc): Likewise.
1504 (expralloc): Likewise.
1505 (print_obstack_name): Likewise.
1506 (debug_obstack): Likewise.
1507 (object_permanent_p): Likewise.
1508 (push_momentary): Likewise.
1509 (perserve_momentary): Likewise.
1510 (clear_momentary): Likewise.
1511 (pop_momentary): Likewise.
1512 (pop_momentary_nofree): Likewise.
1513 (suspend_momentary): Likewise.
1514 (resume_momentary): Likewise.
1515 (make_node): Don't set TREE_PERMANENT.
1516 (copy_node): Remove ggc_p conditionals. Don't set TYPE_OBSTACK.
1517 Don't set TREE_PERMANENT.
1518 (get_identifier): Remove ggc_p conditionals.
1519 (build_string): Likewise.
1520 (make_tree_vec): Likewise.
1521 (build_decl_list): Remove.
1522 (build_expr_list): Likewise.
1523 (tree_cons): Remove ggc_p conditionals.
1524 (decl_tree_cons): Remove.
1525 (expr_tree_cons): Likewise.
1526 (perm_tree_cons): Likewise.
1527 (temp_tree_cons): Likewise.
1528 (saveable_tree_cons): Likewise.
1529 (build1): Remove ggc_p conditionals.
1530 (build_parse_node): Likewise.
1531 (build_type_attribute_variant): Don't mess with obstacks.
1532 (build_type_copy): Likewise.
1533 (type_hash_canon): Likewise.
1534 (build_pointer_type): Likewise.
1535 (build_reference_type): Likewise.
1536 (build_index_type): Likewise.
1537 (build_range_type): Likewise.
1538 (dump_tree_statistics): Don't print obstack information.
1540 (struct tree_common): Remove permanent_flag.
1541 (TREE_PERMANENT): Remove.
1542 (TREE_SET_PERMANENT): Likewise.
1543 (TYPE_OBSTACK): Likewise.
1544 (struct tree_type): Remove obstack.
1546 (savealloc): Likewise.
1547 (build_decl_list): Likewise.
1548 (build_expr_list): Likewise.
1549 (perm_tree_cons): Likewise.
1550 (temp_tree_cons): Likewise.
1551 (saveable_tree_cons): Likewise.
1552 (decl_tree_cons): Likewise.
1553 (expr_tree_cons): Likewise.
1554 (suspend_momentary): Likewise.
1555 (allocation_temporary_p): Likewise.
1556 (resume_momentary): Likewise.
1557 (push_obstacks_nochange): Likewise.
1558 (permanent_allocation): Likewise.
1559 (push_momentary): Likewise.
1560 (clear_momentary): Likewise.
1561 (pop_momentary): Likewise.
1562 (end_temporary_allocation): Likewise.
1563 (pop_obstacks): Likewise.
1564 (push_obstacks): Likewise.
1565 (pop_momentary_nofree): LIkewise.
1566 (preserve_momentary): Likewise.
1567 (saveable_allocation): Likewise.
1568 (temporary_allocation): Likewise.
1569 (resume_temporary_allocation): Likewise.
1570 (perserve_initializer): Likewise.
1571 (debug_obstack): Likewise.
1572 (rtl_in_current_obstack): Likewise.
1573 (rtl_in_saveable_obstack): Likewise.
1575 * varasm.c (current_obstack): Remove.
1576 (saveable_obstack): Remove.
1577 (rtl_obstack): Remove.
1578 (immed_double_const): Don't mess with obstacks.
1579 (immed_real_cons): Likewise.
1580 (output_constant_def): Likewise.
1581 (init_varasm_status): Use xcalloc.
1582 (mark_pool_constant): Mark the pool constant itself.
1583 (free_varasm_status): Free memory.
1584 (decode_rtx_const): Call bzero directly, rather than expanding it
1586 (record_rtx_const): Don't mess with obstacks.
1587 (force_const_mem): Likewise.
1588 * config/arm/arm.c (arm_encode_call_attribute): Remove ggc_p
1590 (aof_pic_entry): Likewise.
1591 * config/ia64/ia64.c (ia64_encode_section_info): Likewise.
1592 * config/m32r/m32r.c (m32r_encode_section_info): Likewise.
1593 * config/pa/pa.c (saveable_obstack): Remove.
1594 (rtl_obstack): Likewise.
1595 (current_obstack): Likewise.
1596 (output_call): Don't mess with obstacks.
1597 (hppa_encode_label): Remove ggc_p conditionals.
1598 * config/romp/romp.c (get_symref): Don't mess with obstacks.
1599 * config/rs6000/rs6000.c (output_toc): Remove ggc_p conditional.
1600 (rs6000_encode_section_info): Likewise.
1601 * config/sh/sh.c (get_fpscr_rtx): Likewise.
1603 Thu Oct 12 16:02:31 MET DST 2000 Jan Hubicka <jh@suse.cz>
1605 * i386.md (adddi3, subdi3 splitters): Update for new pattern.
1606 (addsi3_cc, addqi3_cc, subsi3_cc): Remove
1607 (addsi3_carry): Canonicalize.
1608 (addqi_5): Remove '*'.
1609 (sbb pattern): Canonicalize.
1611 * i386.md (cmp to inc/add peep2): New.
1613 2000-10-12 Richard Earnshaw <rearnsha@arm.com>
1615 * bb-reorder.c (reorder_basic_blocks): Allocate an aux block for
1618 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
1620 * gcc.texi: Merge in contents of README.TRAD and TESTS.FLUNK.
1621 * README.TRAD, TESTS.FLUNK: Remove.
1623 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
1625 * c-common.c (decl_attributes): Don't allow strftime formats with
1626 first_arg_num nonzero.
1627 (check_format_info): Set wanted_type and wanted_type_name to zero
1628 before they are possibly assigned and used.
1630 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
1632 * c-common.c (scanf_flag_specs): Add flags ' and I.
1633 (strftime_flag_pairs): Disallow any pair of the _, - and 0 flags,
1634 or the ^ and # flags together.
1635 (scan_char_table): Handle the ' and I flags.
1636 (format_types): Add ' and I flags for scanf.
1638 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
1640 * c-common.c (print_char_table): Use the unpromoted type for
1641 lengths "h" and "hh" with conversions dioxXu.
1642 (check_format_types): Apply the default argument promotions where
1643 the wanted type is not a pointer target.
1645 2000-10-11 Michael Meeks <mmeeks@gnu.org>
1646 Joseph S. Myers <jsm28@cam.ac.uk>
1648 * c-typeck.c (check_modify_expr): New function.
1649 (build_modify_expr): Call it if warn_sequence_point.
1650 * c-decl.c (warn_sequence_point): New variable.
1651 (c_decode_option): Handle -Wsequence-point and
1652 -Wno-sequence-point. Enable -Wsequence-point as part of -Wall.
1653 * c-tree.h (warn_sequence_point): Declare.
1654 * invoke.texi (-Wsequence-point): Document.
1655 * toplev.c (documented_lang_options): Add -Wsequence-point and
1656 -Wno-sequence-point.
1657 Original work by Michael Meeks, 16 Jun 1998.
1659 Wed Oct 11 06:15:41 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1661 * tree.c (get_narrower): Don't look at precision of field if
1664 Tue Oct 10 23:14:33 2000 Denis Chertykov <denisc@overta.ru>
1666 * config/avr/avr.c (valid_machine_decl_attribute): Allow `extern'
1667 declaration for data with "progmem" attribute.
1669 2000-10-09 Marek Michalkiewicz <marekm@linux.org.pl>
1671 * config/avr/avr.c (out_shift_with_cnt): Use AS2 macro.
1672 Correct insn length if shift count is a memory operand.
1673 * config/avr/avr.md: New define_peephole2 to use *reload_inqi.
1674 (*iorhi3_clobber): Change lo8 to hi8.
1675 (zero_extendhisi2): Change %B0 to %A1.
1676 (ashlhi3, ashrhi3): Correct insn length.
1677 (andhi3, abssf2, extendqisi2, extendhisi2): Change "cc"
1678 from "clobber" to "set_n" in some alternatives.
1680 2000-10-10 Jakub Jelinek <jakub@redhat.com>
1682 * reload1.c (calculate_needs_all_insns): If deleting an instruction,
1683 remove its insn_chain structure as well.
1685 2000-10-09 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1687 * dbxout.c (dbxout_source_line): Remove extra tab.
1689 2000-10-09 Hans-Peter Nilsson <hp@bitrange.com>
1691 * config/elfos.h (UNIQUE_SECTION): Apply STRIP_NAME_ENCODING on name.
1693 2000-10-09 Richard Henderson <rth@cygnus.com>
1695 * Makefile.in (LANG_LIB2FUNCS): Remove.
1696 (LIB2FUNCS): Remove _pure.
1697 (LIB2ADD): Remove LANG_LIB2FUNCS.
1698 (stage_a): Don't set LANG_LIB2FUNCS.
1699 * libgcc2.c (__terminate): Mark noreturn.
1700 (__pure_virtual): Remove.
1701 * mklibgcc.in: Remove LIB2ADD .txt processing.
1703 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
1705 * arm.md (push_multi): Revert unintended change.
1707 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
1709 * arm.c: Miscellaneous white space and comment clean-ups. No
1713 2000-10-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1715 * c-common.c (c_expand_builtin_printf): Set the TREE_TYPE of a new
1716 STRING_CST by calling combine_strings.
1718 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
1720 * arm.c (thumb_expand_movstrqi): Rewrite to support SSA form.
1721 (thumb_output_move_mem_multiple): Support new insn format.
1722 * arm.md (movmem12b): Use SSA compatible format.
1723 (movmem8b): Likewise.
1725 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
1727 * arm.md (predicable): New attribute, default to "no".
1728 (all patterns): Mark as predicable if appropriate.
1729 (conditional execution splits): Split using predication format.
1730 (define_cond_exec): Define.
1731 * arm.c (arm_print_operand): handle insn predicate.
1733 2000-10-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1735 * README.NS32K: Remove file.
1737 2000-10-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1739 * README-bugs: Remove file.
1741 2000-10-08 Philipp Thomas <pthomas@suse.de>
1742 * aclocal.m4 (AM_GNU_GETTEXT): Fix non portable use of == operator
1744 * configure: Rebuilt.
1746 2000-10-08 Philipp Thomas <pthomas@suse.de>
1747 * aclocal.m4 (AM_WITH_NLS): When not using included gettext,
1748 disable catalog building if no suitable program was found.
1749 Move warning message from here
1750 (AM_GNU_GETTEXT): To here.
1751 * configure: Rebuilt.
1753 2000-10-08 Philipp Thomas <pthomas@suse.de>
1754 * aclocal.m4 (GCC_PATH_PROG): New. Like AC_PATH_PROG but uses
1755 different cache variables.
1756 (GCC_PATH_PROG_WITH_TEST): New. Like AM_PATH_PROG_WITH_TEST but
1757 uses different cache variables.
1758 (AM_WITH_NLS): Use GCC_PATH_PROG and GCC_PATH_PROG_WITH_TEST.
1759 * configure: Regenerated.
1761 2000-10-08 Richard Henderson <rth@cygnus.com>
1763 * Makefile.in (libgcc.mk): Pass SHLIB_EXT, not SHLIB_LIBS.
1764 * configure.in (sparc*-*-solaris*): Use t-slibgcc{,-sld}.
1765 * mklibgcc.in: Consider SHLIB_LINK the entire shlib build command.
1768 * config/t-linux (SHLIB_EXT): New.
1769 (SHLIB_LINK): Use the entire build command, with substitutions.
1770 (SHLIB_LIBS): Remove.
1771 * config/alpha/t-osf4: Likewise.
1772 * config/mips/t-iris6: Likewise.
1773 * config/sparc/t-sol2: Likewise, but move shlib stuff...
1774 * config/sparc/t-slibgcc-sld: ...here.
1775 * config/sparc/t-slibgcc: New file.
1777 2000-10-08 Joseph S. Myers <jsm28@cam.ac.uk>
1779 * tm.texi (INTMAX_TYPE, UINTMAX_TYPE): Define.
1780 * c-common.h (enum c_tree_index): Add CTI_INTMAX_TYPE and
1782 (intmax_type_node, uintmax_type_node): Define.
1783 * c-common.c (decl_attributes): If pedantic, warn if `mode'
1784 attributes create a type wider than intmax_t.
1785 (T_IM, T_UIM): Define properly.
1786 * c-decl.c (INTMAX_TYPE, UINTMAX_TYPE): Define if not already
1788 (init_decl_processing): Initialize intmax_type_node and
1790 * c-lex.c (lex_number): When pedantic and warning for integer
1791 constants that are too large, in C99 mode warn for those that have
1792 a type wider than long long.
1794 2000-10-08 Joseph S. Myers <jsm28@cam.ac.uk>
1796 * c-common.c (FMT_FLAG_ARG_CONVERT, FMT_FLAG_SCANF_A_KLUDGE,
1797 FMT_FLAG_FANCY_PERCENT_OK): Define.
1798 (format_char_info): Add flag "4" to comment.
1799 (format_flag_spec, format_flag_pair): New structures.
1800 (format_kind_info): Add additional fields to control format
1802 (printf_flag_specs, printf_flag_pairs, scanf_flag_specs,
1803 scanf_flag_pairs, strftime_flag_specs, strftime_flag_pairs): New
1805 (time_char_table): Use "4" flag to handle %Ey.
1806 (format_types): Add entries for new fields.
1807 (get_flag_spec): New function.
1808 (check_format_info): Increase size of flag_chars[] to 256.
1809 Control format checking using the new fields of a format_kind_info
1810 and the new tables; remove all conditionals on printf_format_type,
1811 scanf_format_type or strftime_format_type. Handle all details of
1812 bad combinations of flags (including width, precision and strftime
1813 modifiers) through data rather than ad hoc code. Handle all
1814 details of standard versions in which flags appeared through
1815 data. Use the "4" flag.
1817 2000-10-07 Will Cohen <wcohen@redhat.com>, Kazu Hirata <kazu@hxi.com>
1819 * config/h8300/h8300.md: Remove the memory alternative and correct
1820 the insn lengths in the templates for sign extention and zero
1823 2000-10-07 Richard Henderson <rth@cygnus.com>
1825 * calls.c (expand_call): Disallow sibcalls to noreturn functions.
1826 * flow.c (make_edges): Revert last change.
1828 * config/alpha/alpha.h (FUNCTION_OK_FOR_SIBCALL): Don't test
1830 * config/pa/pa.h (FUNCTION_OK_FOR_SIBCALL): Likewise.
1832 2000-10-06 David O'Brien <obrien@dragon.nuxi.com>
1834 * config/alpha/elf.h: Standardize the formatting.
1836 2000-10-06 David O'Brien <obrien@FreeBSD.org>
1838 * config/alpha/elf.h: Protect the ASM_OUTPUT_IDENT definition with an
1841 2000-10-06 Richard Henderson <rth@cygnus.com>
1843 * function.c (diddle_return_value): Examine
1844 current_function_return_rtx instead of the DECL_RESULT.
1845 (expand_function_end): Handle reloading DECL_RESULT from memory
1846 into a hard register. Query promote_mode for sign of mismatched
1849 2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
1851 * haifa-sched.c (schedule_insns): Fix typo in freeing
1852 forward_dependency_cache.
1854 2000-10-06 Alexandre Oliva <aoliva@redhat.com>
1856 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): Add
1857 `TARGET_SH2' as a condition.
1859 2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
1861 * haifa-sched.c (anti_dependency_cache, output_dependency_cache,
1862 forward_dependency_cache): New variables.
1863 (add_dependence, remove_dependence): Use anti_dependency_cache and
1864 output_dependency_cache.
1865 (compute_block_forward_dependences): Use forward_dependency_cache.
1866 (schedule_insns): Allocate and free memory for anti/output/forward
1867 dependencies caches.
1869 2000-10-06 Alexandre Oliva <aoliva@redhat.com>
1871 * config/sh/sh.md (call, call_value): Use `TARGET_SH2' instead of
1872 `! TARGET_SH1'. Reindent.
1874 2000-10-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1876 * builtins.c (is_valid_printf_arglist, expand_builtin_printf):
1877 Move functions from here ...
1879 * c-common.c (is_valid_printf_arglist, c_expand_builtin_printf):
1881 (c_expand_builtin): New function.
1882 (init_function_format_info): Don't set `check_function_format_ptr'.
1883 (c_common_nodes_and_builtins): Set built_in_class type for
1884 printf/__builtin_printf to BUILT_IN_FRONTEND.
1885 (c_expand_expr): Handle CALL_EXPRs that are front-end builtins.
1887 * c-common.h (build_function_call): Declare.
1889 * expr.c (expand_expr): Pass builtins with class BUILT_IN_FRONTEND
1890 to `lang_expand_expr' rather than `expand_builtin'.
1892 * tree.c (check_function_format_ptr): Delete.
1894 * tree.h (check_function_format_ptr): Likewise.
1896 2000-10-06 Hans-Peter Nilsson <hp@bitrange.com>
1898 * dwarf2out.c (build_cfa_loc): Correct to use DW_OP_regx or
1899 DW_OP_bregx when cfa->reg > 31.
1901 * frame-dwarf2.c (decode_stack_op) [case DW_OP_regx]: Add missing
1904 2000-10-05 Richard Henderson <rth@cygnus.com>
1906 * c-decl.c (warn_missing_noreturn): Remove.
1907 (c_expand_body): Don't set or check can_reach_end.
1908 * c-tree.h (warn_missing_noreturn): Move ...
1909 * flags.h: ... here.
1910 (can_reach_end): Remove.
1911 * flow.c (check_function_return_warnings): New.
1912 (make_edges): No edge to exit for noreturn sibcalls.
1913 * function.c (expand_function_end): Save the return value
1914 clobber instruction.
1915 (mark_function_status): Mark it.
1916 * function.h (struct function): Add x_clobber_return_insn.
1917 * jump.c (can_reach_end): Remove.
1918 (calculate_can_reach_end): Remove.
1919 (jump_optimize_1): Don't call it.
1920 * output.h (check_function_return_warnings): Declare.
1921 * toplev.c (warn_missing_noreturn): Move from c-decl.c
1922 (rest_of_compilation): Call check_function_return_warnings.
1924 2000-10-05 Richard Henderson <rth@cygnus.com>
1926 * Makefile.in (NM_FOR_TARGET): New.
1927 (libgcc.mk): Pass SHLIB_MKMAP, SHLIB_MAPFILES.
1928 (libgcc.a, stmp-multilib): Pass NM_FOR_TARGET.
1929 * mklibgcc.in: If SHLIB_MKMAP, build libgcc.map. Depend the
1930 shared library build on that and EXTRA_MULTILIB_PARTS.
1931 * mkmap-flat.awk: New file.
1932 * mkmap-symver.awk: New file.
1933 * libgcc-std.ver: New file.
1934 * config/libgcc-glibc.ver: New file.
1935 * config/ia64/libgcc-ia64.ver: New file.
1936 * config/t-linux (SHLIB_MKMAP, SHLIB_MAPFILES): New.
1937 (SHLIB_LINK): Add --version-script.
1938 * config/ia64/t-ia64 (SHLIB_MAPFILES): Add libgcc-ia64.ver.
1939 * config/mips/t-iris6 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
1940 * config/sparc/t-sol2 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
1941 (SHLIB_LINK): Add -M.
1943 2000-10-05 Richard Henderson <rth@cygnus.com>
1945 * Makefile.in (LIB2FUNCS): Add _clz.
1946 * libgcc2.c (__ffsdi2): Use count_trailing_zeros.
1947 (__clz_tab): Put in its own unit, non-static.
1948 * libgcc2.h: Always include longlong.h.
1950 * longlong.h [alpha] (count_leading_zeros): Use cmpbge with
1951 a zero instead of -1.
1952 (count_trailing_zeros): Likewise.
1954 2000-10-05 Richard Henderson <rth@cygnus.com>
1956 * config/alpha/alpha.c (alpha_emit_setcc): Don't swap GT tests
1957 when second op1 is const0_rtx. Validate op0 as a register.
1958 * config/alpha/alpha.md (setcc_internal): Don't allow constants
1959 in the first argument of the compare.
1960 (setcc_swapped_internal): Likewise.
1961 (setne_internal): Likewise.
1963 2000-10-05 Geoff Keating <geoffk@cygnus.com>
1965 * tree.c (tree_size): New function split out of copy_node.
1966 (make_node): Remove obstack handling. Use tree_size.
1967 (copy_node): Use tree_size.
1968 * tree.h: Prototype tree_size.
1970 2000-10-05 Richard Henderson <rth@cygnus.com>
1972 * diagnostic.c (output_format): Add missing break.
1974 2000-10-05 Jim Wilson <wilson@cygnus.com>
1976 * function.c (fixup_var_refs_1, case SET): When gen_move_insn returns a
1977 SEQUENCE, call emit_insn_before, copy PATTERN and REG_NOTES of last
1978 sequence insn to INSN, and delete last sequence insn.
1980 2000-10-05 Phil Edwards <pme@gcc.gnu.org>
1982 * gcc.c (main): Include generated configargs.h header
1983 and use arguments in '-v' output.
1985 Thu Oct 5 16:16:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1987 * gcc.c: Move data on prefixes forward in file and reorganize.
1988 (md_exec_prefix, md_startfile_prefix, md_startfile_prefix_1):
1989 Always define, but make null if no value.
1990 (static_specs): Add "md_exec_prefix", "md_startfile_prefix",
1991 and "md_startfile_prefix_1".
1992 (main): Check whether md_exec_prefix and the others are the
1993 null string rather than whether the macro is defined.
1995 Thu Oct 5 19:04:18 2000 J"orn Rennecke <amylaar@redhat.co.uk>
1997 * (convert_move): Use zero_extendpsisi2 to do an unsigned extension
1998 from PSImode to SImode.
2000 2000-10-05 Jakub Jelinek <jakub@redhat.com>
2002 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETICS]: Fix conversion
2003 from float to integral mode with HOST_BITS_PER_WIDE_INT 64.
2004 * dwarf2out.c (add_const_value_attribute): Divide by 4, not
2007 Thu Oct 5 09:31:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2009 * fold-const.c (fold, case MINUS_EXPR, case EQ_EXPR): Perform
2010 negation in proper type.a
2012 2000-10-04 Richard Henderson <rth@cygnus.com>
2014 * configure.in (enable-shared): New.
2015 * Makefile.in (LIBGCC_DEPS): Depend on EXTRA_PARTS as well.
2016 (libgcc.mk): Pass SHLIB_LINK, SHLIB_LIBS, SHLIB_MULTILIB to mklibgcc.
2017 * mklibgcc.in: Use them to link shared a libgcc.
2018 * config/t-linux (SHLIB_LINK, SHLIB_LIBS): New.
2019 * config/alpha/t-ieee (SHLIB_MULTILIB): New.
2020 * config/mips/t-iris6 (SHLIB_LINK, SHLIB_LIBS): New.
2021 * config/sparc/t-sol2 (SHLIB_LINK, SHLIB_LIBS): New.
2023 * configure.in (alpha-osf*): Use t-osf and x-osf.
2024 * config/alpha/t-osf: New file.
2025 * config/alpha/t-osf4: New file.
2026 * config/alpha/x-osf: New file.
2027 * config/alpha/x-alpha: Remove file.
2029 2000-10-04 Will Cohen <wcohen@redhat.com>
2031 * c-typeck.c (process_init_element): Added warning for zero-length
2034 * extend.texi (Zero Length): State that static initializers for
2035 zero-length arrays are not allowed.
2037 Mon Oct 2 14:50:14 MET DST 2000 Jan Hubicka <jh@suse.cz>
2039 * rtlanal.c (single_set_1): Do not require USE and CLOBBERs
2042 2000-10-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2044 * config/float-c4x.h: New.
2045 * configure.in (c4x-*): Set float_format to c4x.
2046 * configure: Regenerate.
2048 2000-10-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2050 * configure.in (sparc-*-solaris2*): Disable 32-to-64 cross
2051 compilation for solaris versions 2.7 and greater.
2053 2000-10-02 Marc Espie <espie@openbsd.org>
2055 * config/alpha.h (WORD_SWITCH_TAKES_ARG): add -rpath to default,
2056 instead of redefining from scratch.
2058 2000-10-02 David O'Brien <obrien@dragon.nuxi.com>
2060 * config/i386/freebsd.h (NO_PROFILE_COUNTERS): Define.
2062 2000-10-01 Mark Mitchell <mark@codesourcery.com>
2064 * config/ns32k/genix.h: Remove.
2065 * config/ns32k/x-genix: Likewise.
2066 * config/ns32k/xm-genix.h: Likewise.
2067 * config/fx80: Remove all filee in directory.
2068 * config/pyr: Likewise.
2069 * config/tahoe: Likewise.
2070 * config/gmicro: Likewise.
2071 * config/spur: Likewise.
2072 * configure.in: Remove configury bits for above targets.
2073 * configure: Regenerated.
2075 * configure.in: Don't configure chill by default.
2076 * configure: Regenerated.
2078 * c-decl.c (c_expand_body): Don't generate RTL if flag_syntax_only.
2079 (lang_mark_false_label_stack): Remove.
2080 * c-lex.c (init_c_lex): Add file_info_tree as GC root. Allocate
2081 <top level> string in GC area.
2082 (mark_splay_tree_node): New function.
2083 (mark_splay_tree): Likewise.
2084 * except.c (mark_eh_status): Only call lang_mark_false_label_stack
2086 * ggc-callbacks.c (lang_mark_false_label_stack): Remove.
2087 * ggc-common.c (lang_mark_false_label_stack): Change type.
2088 * ggc.h (ggc_alloc_string): Add comment.
2089 (ggc_strdup): New function.
2091 Sat Sep 23 19:10:20 2000 Denis Chertykov <denisc@overta.ru>
2093 * config/avr/avr.h (BRANCH_COST): Define as 0.
2095 * config/pdp11/pdp11.c: #include "tree.h" added.
2097 2000-09-30 Marek Michalkiewicz <marekm@linux.org.pl>
2099 * config/avr/avr.c (ashlhi3_out, ashlsi3_out, ashrhi3_out,
2100 ashrsi3_out, lshrhi3_out, lshrsi3_out): Optimize more cases
2101 with known shift count.
2102 * config/avr/avr.md (ashlsi3, ashrsi3, lshrsi3):
2103 New alternative for shift count 2 with no scratch register.
2104 (ashlhi3, ashlsi3): Change "cc" attribute from "clobber" to
2105 "set_n" for shift counts 1 and 2.
2107 2000-09-30 Geoff Keating <geoffk@cygnus.com>
2109 * config/rs6000/rs6000.md (movsi_to_cr): Remove the USE. Calculate
2110 the mask value from the individual SET operations.
2111 (return_internal_si): Move the USE after the RETURN.
2112 (return_internal_di): Likewise.
2113 (return_and_restore_fpregs_si): Likewise.
2114 (return_and_restore_fpregs_di): Likewise.
2115 (return_eh_si): Likewise.
2116 (return_eh_di): Likewise.
2117 * config/rs6000/rs6000.c (mtcrf_operation): Don't look for,
2119 (rs6000_emit_prologue): Don't emit the USE for movsi_to_cr.
2120 Don't generate a PARALLEL around a single operation movsi_to_cr.
2121 Generate the RETURN first in any PARALLELs.
2123 * rtlanal.c (single_set_1): Use fatal_insn to display the
2124 invalid insn. Check for more cases when a USE or CLOBBER occurs
2126 * Makefile.in: Update dependencies for rtlanal.o.
2128 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
2130 * i386.c: Move include of "config.h" to before that of <setjmp.h>.
2132 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
2134 * c-tree.texi, contrib.texi, gcc.texi, install.texi, invoke.texi:
2135 Consistently use @email for formatting email addresses.
2137 2000-09-29 Richard Henderson <rth@cygnus.com>
2139 * cse.c (notreg_cost): New argument outer.
2140 (COST): Pass in SET to notreg_cost
2142 (fold_rtx): Use COST_IN. Prefer constants when costs
2145 2000-09-29 David Edelsohn <edelsohn@gnu.org>
2147 * fixinc/inclhack.def (broken_cabs): Generalize regex.
2148 * fixinc/fixincl.x: Regenerate.
2150 2000-09-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2152 * loop.c (check_final_value): A GIV is not replaceable if used
2155 Fri Sep 29 10:04:12 2000 Jeffrey A Law (law@cygnus.com)
2157 * version.c: Bump to gcc-2.97.
2159 Frs Sep 29 13:37:59 MET DST 2000 Jan Hubicka <jh@suse.cz>
2161 * final.c (final_scan_insn): Remove extra extract_insn call;
2162 Use caching for constrain_operands.
2163 (cleanup_subreg_operands): Use caching for extract_insn.
2164 * recog.c (constrain_operands_cached): New.
2165 * recog.h (constrain_operands_cached): Declare.
2166 * i386.c (ix86_attr_length_immediate_default,
2167 ix86_attr_length_address_default, ix86_agi_dependant): Cache
2170 * recog.c (asm_noperands): Tweak.
2171 (extract_insn): Do not call asm_noperads for non-asm instructions.
2173 Fri Sep 29 13:20:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
2175 * recog.c (recog_memoized): Rename to recog_memoized_1.
2176 * recog.h (recog_memoized): Rename to recog_memoized_1.
2177 (recog_memoized): New macro.
2178 * rtl.h (single_set): Rename to single_set_1
2179 (single_set): New macro.
2180 * rtlanal.c (single_set): Rename to single_set_1; expect clobbers
2183 * i386.md (strmovsi_1, strmovhi_1 strmovqi_1):
2184 Do not use match_dup of input operands at outputs.
2185 Use register_operand for memory expression.
2186 (rep_movsi): Put use last, canonicalize.
2187 Use register_operand for memory expression.
2188 (rep_movqi): Put use last.
2189 Use register_operand for memory expression.
2190 (strsetsi_1, strset_hi_1, strsetqi_1): Do not use match_dup
2191 of input operands at outputs. Use register_operand for memory
2193 (rep_stossi): Put use last; canonicalize; fix match_dup in
2194 the address expression
2195 (rep_stosqi): Likewise.
2196 (memcmp expander): Update calls.
2197 (cmpstrsi_nz_1, cmpstrsi_1, strlensi_1): Avoid match_dups in
2200 * i386.md (fp_jcc_3, fp_jcc_4, jp_fcc_5): if_then_else operand is
2202 (fp_jcc_4, fp_jcc_3): Refuse unordered comparisons.
2204 2000-09-28 David O'Brien <obrien@FreeBSD.org>
2206 * config/i386/freebsd-aout.h: New, FreeBSD a.out config file.
2207 Contains the old contents of config/i386/freebsd.h
2208 * config/i386/freebsd.h: Now the ELF rather than a.out config file.
2209 Contains the old contents of config/i386/freebsd-elf.h
2210 * config/i386/freebsd-elf.h: Retire this file -- contents moved to
2211 config/i386/freebsd.h.
2212 * configure.in: Adjust for above changes.
2213 * po/POTFILES.in: Likewise.
2214 * po/en_GB.po: Likewise.
2215 * po/gcc.pot: Likewise.
2216 * configure: Rebuilt.
2218 2000-09-28 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2220 * doloop.c (doloop_modify): Prevent delete_insn() from
2221 deleting too much. Prefer loop->top over loop->start as
2222 target for the new JUMP insn.
2223 (doloop_valid_p): Ignore loop with exit_count != 0.
2225 2000-09-28 Philipp Thomas <pthomas@suse.de>
2227 * invoke.texi (i386 Options): Add athlon to table of possible
2230 2000-09-28 Gabriel Dos Reis <gdr@codesourcery.com>
2232 * diagnostic.h (output_clear_message_text): New function.
2233 (output_message_text): New macro.
2235 * diagnostic.c (clear_text_info): Rename to
2236 output_clear_message_text.
2237 (output_clear): Adjust.
2238 (output_finish): Rename to output_finalize_message. Tweek.
2239 (output_to_stream): Adjust.
2241 2000-09-28 Neil Booth <neilb@earthling.net>
2243 * cpperror.c (_cpp_begin_message): Do the test for suppression
2244 of warnings and pedantic warnings before the "is a warning an
2246 * cppinit.c (cpp_handle_option): Remove surplus \n.
2247 * cpplex.c (ON_REST_ARG): Delete.
2248 (skip_block_comment): Initialise prevc.
2249 (parse_args): Improve error messages.
2250 (maybe_paste_with_next): Use CONTEXT_VARARGS rather
2252 * cpplib.c (cpp_push_buffer): Fix grammar in message.
2253 * cppmain.c (main): Set callbacks for #ident and #pragma
2254 only if no_output option is false.
2255 (do_pragma_implementation): Only call the #pragma handler
2256 if it is set in the cpp_reader structure.
2258 Wed Sep 27 14:00:07 2000 Donald Lindsay <dlindsay@cygnus.com>
2260 * integrate.c (copy_insn_list): if an ignored return value
2261 is being clobbered, skip cloning that into the inline copy.
2263 2000-09-27 Joseph S. Myers <jsm28@cam.ac.uk>
2265 * extend.texi, invoke.texi, gcc.texi, install.texi: Consistently
2266 use @uref for formatting URLs.
2268 2000-09-27 Mark Elbrecht <snowball3@bigfoot.com>
2270 * config/i386/djgpp.h (UNIQUE_SECTION): Constify the variables
2273 Tue 26-Sep-2000 18:25:38 BST Neil Booth <neilb@earthling.net>
2275 * gcc.c (cpp_options): Add spec for -ftabstop=.
2276 (invoke_as): New spec that handles invoking as.
2277 Update specs to handle -save-temps and -traditional.
2278 * ch/lang-specs.h, f/lang-specs.h, java/lang-specs.h:
2280 * cp/lang-specs.h, objc/lang-specs.h: Update to use
2281 invoke_as, and handle -save-temps and -traditional (if
2284 2000-09-26 Jakub Jelinek <jakub@redhat.com>
2286 * config/sparc/sparc.c (sparc_emit_set_const64): Don't abort when
2288 (function_arg_slotno): Accept TImode/CTImode.
2289 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): If IN_LIBGCC2 define
2292 2000-09-26 Michael Hayes <mhayes@cygnus.com>
2294 * flow.c (flow_loop_pre_header_scan): Punt if loop enters
2297 2000-09-25 Jim Wilson <wilson@cygnus.com>
2299 * config/ia64/ia64.h (INDEX_REG_CLASS): Define to GENERAL_REGS.
2300 (REGNO_OK_FOR_INDEX_P): Define to REGNO_OK_FOR_BASE_P.
2301 (LEGITIMATE_ADDRESS_DISP): Use LEGITIMATE_ADDRESS_REG.
2302 (REG_OK_FOR_INDEX): Define to REG_OK_FOR_BASE_P.
2304 Tue 26-Sep-2000 00:16:22 BST Neil Booth <neilb@earthling.net>
2306 * cpplex.c (parse_args): Don't set VOID_REST flag.
2307 (CONTEXT_VARARGS): New flag.
2308 (maybe_paste_with_next): Set context earlier in loop. Use
2309 it. Do varargs test with CONTEXT_VARARGS flag.
2310 (push_arg_context): Set CONTEXT_VARARGS flag if we're
2311 pushing an argument context for a varargs argument.
2312 * cpplib.h (VOID_REST): Delete.
2313 * gcc.dg/cpp/vararg1.c: Add test case.
2315 2000-09-25 Branko Cibej <branko.cibej@hermes.si>
2317 * flags.h: Declare warning flag warn_system_headers.
2318 * toplev.c: Define it.
2319 (W_options): Add option -Wsystem-headers.
2320 * diagnostic.c (count_error): Test warn_system_headers.
2321 * invoke.texi: Add description for -Wsystem-headers.
2322 * cpplib.h (cpp_options): New member warn_system_headers.
2323 * cpphash.h (CPP_PEDANTIC, CPP_WTRADITIONAL): Don't test
2324 CPP_IN_SYSTEM_HEADER.
2325 * cpplib.c (do_import, do_pragma_once): Likewise.
2326 * cpperror.c (_cpp_begin_message): Test warn_system_headers
2327 and CPP_IN_SYSTEM_HEADER.
2328 * cppinit.c (handle_option): Recognize -Wsystem_headers.
2329 (print_help): Describe -Wsystem_headers.
2330 * cpplex.c (lex_line): Reorganize condition so that warnings
2331 about C++ comments in system headers can be enabled. Remove
2332 label do_line_comment.
2334 Mon 25-Sep-2000 23:38:27 BST Neil Booth <neilb@earthling.net>
2336 * cpplex.c (save_comment): Only store the initial '/'
2338 (lex_token): Combine handling of the two comment types.
2339 Pass everything but the initial '/' to save_comment.
2341 Mon 25-Sep-2000 23:31:45 BST Neil Booth <neilb@earthling.net>
2343 * cpphash.h (_cpp_digraph_spellings, _cpp_process_directive,
2344 _cpp_can_paste): New library-internal prototypes.
2345 * cpplex.c (dump_param_spelling, output_line_command,
2346 output_token, cpp_scan_buffer, cpp_scan_buffer_nooutput,
2347 cpp_printf, cpp_output_list): Move to cppoutput.c.
2348 (process_directive, can_paste, digraph_spellings): Add _cpp_ prefix.
2349 * cppmacro.c (dump_macro_args, cpp_dump_definition) Move to
2351 * cppoutput.c (dump_macro_args, cpp_dump_definition, output_token,
2352 dump_param_spelling, output_line_command, cpp_scan_buffer,
2353 cpp_scan_buffer_nooutput, cpp_printf, cpp_output_list): Moved
2355 * Makefile.in: Add cppoutput.c.
2356 * po/POTFILES.in: Add cppoutput.c.
2358 2000-09-25 Richard Henderson <rth@cygnus.com>
2360 * config/ia64/ia64.c (ia64_print_operand): Define 'e' as 64-n.
2361 * config/ia64/ia64.md (rotrsi3): Allow variable rotates; don't
2362 split until after reload.
2363 (rotlsi3, rotldi3): New.
2365 2000-09-25 Gabriel Dos Reis <gdr@codesourcery.com>
2367 * diagnostic.c (output_last_position): Define.
2368 (set_real_maximum_length): Tweek.
2369 * diagnostic.h (output_last_position): Declare.
2371 2000-09-25 Kazu Hirata <kazu@hxi.com>
2373 * config/i386/i386.c: Fix formatting.
2375 2000-09-24 Alan Lehotsky <alehotsky@cygnus.com>
2377 * emit-rtl-c (gen_lowpart_common): Accept non-paradoxical SUBREG when
2378 UNITS_PER_WORD is small.
2380 2000-09-25 Joseph S. Myers <jsm28@cam.ac.uk>
2382 * c-common.c (format_char_info): Add flags2; update comments.
2383 (print_char_table, scan_char_table, time_char_table): Split some
2384 flags out into flags2.
2385 (check_format_info): Use flags2 for those flags, for identifying
2386 the initial character of a scanf scanset, and for identifying
2387 printf formats where the '0' flag is ignored with precision.
2389 2000-09-25 Hans-Peter Nilsson <hp@axis.com>
2391 Changes below marked "here" add TABs on either or both sides,
2392 covering start of line, up to any operand for all noted .*ASM.*_OP
2393 definitions. All callers changed.
2394 * tm.texi: Make documented *_ASM.*_OP:s include spacing
2395 (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, SHARED_SECTION_ASM_OP,
2396 BSS_SECTION_ASM_OP, SHARED_BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
2397 ASM_BYTE_OP, FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
2398 ASM_STABS_OP, ASM_STABD_OP, ASM_STABN_OP).
2399 Fix typos in description for LONG_LONG_TYPE_SIZE and
2400 FINI_SECTION_ASM_OP.
2401 * crtstuff.c (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Explain
2402 why these defaults don't have leading spacing.
2403 * dbxout.c (ASM_STABS_OP, ASM_STABN_OP): Here.
2404 * dwarf2out.c (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
2405 UNALIGNED_DOUBLE_INT_ASM_OP, SECTION_ASM_OP, ASM_BYTE_OP): Here.
2406 * dwarfout.c (FILE_ASM_OP, VERSION_ASM_OP,
2407 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP, ASM_BYTE_OP,
2408 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP): Here.
2409 * defaults.h (ASM_STABD_OP, EH_FRAME_SECTION_ASM_OP): Here.
2410 * varasm.c (ASM_STABS_OP): Here.
2411 * xcoffout.h (ASM_STABS_OP): Here.
2412 * config/elfos.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
2413 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
2414 INT_ASM_OP, ASCII_DATA_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP,
2415 STRING_ASM_OP): Here.
2416 * config/freebsd.h (IDENT_ASM_OP): Here.
2417 * config/linux-aout.h (SET_ASM_OP): Here.
2418 * config/linux.h (SET_ASM_OP): Here.
2419 * config/lynx.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
2421 * config/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
2422 * config/nextstep.h (EH_FRAME_SECTION_ASM_OP, ALIGN_ASM_OP): Here.
2423 * config/openbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
2424 * config/psos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
2426 * config/ptx4.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
2427 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
2428 INT_ASM_OP, ASCII_DATA_ASM_OP, CONST_SECTION_ASM_OP,
2429 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
2430 FINI_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP STRING_ASM_OP): Here.
2431 * config/svr3.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
2432 CONST_SECTION_ASM_OP, ASM_BYTE_OP): Here.
2433 * config/a29k/udi.h (INT_ASM_OP): Here.
2434 * config/alpha/alpha-interix.h (CONST_SECTION_ASM_OP,
2435 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
2437 * config/alpha/alpha.h (TEXT_SECTION_ASM_OP,
2438 READONLY_DATA_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2439 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
2440 UNALIGNED_DOUBLE_INT_ASM_OP, ASM_STABS_OP, ASM_STABN_OP,
2441 ASM_STABD_OP): Here.
2442 * config/alpha/elf.h (IDENT_ASM_OP, SKIP_ASM_OP, ALIGN_ASM_OP,
2443 COMMON_ASM_OP, INT_ASM_OP, ASCII_DATA_ASM_OP,
2444 CONST_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
2445 BSS_SECTION_ASM_OP, SBSS_SECTION_ASM_OP, SDATA_SECTION_ASM_OP,
2446 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP, TYPE_ASM_OP,
2447 SIZE_ASM_OP, STRING_ASM_OP): Here.
2448 * config/alpha/vms.h (LINK_SECTION_ASM_OP,
2449 READONLY_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP,
2450 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, COMMON_ASM_OP): Here.
2451 * config/arc/arc.h (ASM_BYTE_OP, SET_ASM_OP): Here.
2452 (PUSHSECTION_ASM_OP): Define this, not PUSHSECTION_FORMAT.
2453 * config/arm/aof.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP):
2455 * config/arm/aout.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2456 BSS_SECTION_ASM_OP, SET_ASM_OP): Here.
2457 * config/arm/coff.h (INT_ASM_OP): Here.
2458 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Here.
2459 * config/arm/elf.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP): Here.
2460 * config/arm/linux-elf.h (IDENT_ASM_OP, CONST_SECTION_ASM_OP,
2461 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Here.
2462 * config/arm/unknown-elf.h (UNALIGNED_WORD_ASM_OP): Here.
2463 * config/avr/avr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2464 ASM_BYTE_OP, TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP,
2465 STRING_ASM_OP): Here. Update documentation copy in comments.
2466 * config/c4x/c4x.h (ASM_STABS_OP, BSS_SECTION_ASM_OP): Here.
2467 * config/clipper/clipper.h (TEXT_SECTION_ASM_OP,
2468 DATA_SECTION_ASM_OP): Here.
2469 * config/clipper/clix.h (BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP):
2471 * config/convex/convex.h (TEXT_SECTION_ASM_OP,
2472 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
2473 * config/d30v/d30v.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2474 BSS_SECTION_ASM_OP): Here.
2475 * config/fr30/fr30.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2476 BSS_SECTION_ASM_OP): Here.
2477 * config/fx80/fx80.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2479 * config/gmicro/gmicro.h (TEXT_SECTION_ASM_OP,
2480 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
2481 * config/h8300/h8300.h (ASM_WORD_OP): Here.
2482 * config/i370/i370.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2483 BSS_SECTION_ASM_OP): Here.
2484 * config/i386/aix386.h (INIT_SECTION_ASM_OP): Here.
2485 * config/i386/bsd.h (ASM_BYTE_OP): Here.
2486 * config/i386/cygwin.h (SET_ASM_OP, INT_ASM_OP): Here.
2487 * config/i386/dgux.h (CONST_SECTION_ASM_OP): Here.
2488 * config/i386/djgpp.h (IDENT_ASM_OP, INT_ASM_OP, SET_ASM_OP):
2490 * config/i386/freebsd-elf.h (SET_ASM_OP): Here.
2491 * config/i386/freebsd.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP):
2493 * config/i386/i386-coff.h (CTORS_SECTION_ASM_OP,
2494 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
2495 * config/i386/i386-interix.h (STRING_ASM_OP, CONST_SECTION_ASM_OP,
2496 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
2498 * config/i386/i386elf.h (BSS_SECTION_ASM_OP): Here.
2499 * config/i386/netbsd.h (INT_ASM_OP): Here.
2500 * config/i386/openbsd.h (INT_ASM_OP): Here.
2501 * config/i386/osfrose.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP,
2502 IDENT_ASM_OP): Here.
2503 * config/i386/sco5.h (ALIGN_ASM_OP, ASCII_DATA_ASM_OP,
2504 ASM_BYTE_OP, IDENT_ASM_OP, COMMON_ASM_OP, SET_ASM_OP,
2505 LOCAL_ASM_OP, INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, STRING_ASM_OP,
2506 SKIP_ASM_OP, GLOBAL_ASM_OP): Here.
2507 * config/i386/seq-sysv3.h (SHARED_SECTION_ASM_OP,
2508 SHARED_BSS_SECTION_ASM_OP): Here.
2509 * config/i386/sequent.h (SHARED_SECTION_ASM_OP): Here.
2510 * config/i386/sun386.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
2511 DATA_SECTION_ASM_OP): Here.
2512 * config/i386/svr3gas.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
2513 CONST_SECTION_ASM_OP): Here.
2514 * config/i386/sysv3.h (INIT_SECTION_ASM_OP): Here.
2515 * config/i386/unix.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2516 BSS_SECTION_ASM_OP): Here.
2517 * config/i860/bsd-gas.h (ASCII_DATA_ASM_OP): Here.
2518 * config/i860/bsd.h (ASCII_DATA_ASM_OP): Here.
2519 * config/i860/fx2800.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP,
2520 BSS_ASM_OP): Here, but use trailing spaces.
2521 * config/i860/i860.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
2522 DATA_SECTION_ASM_OP): Here.
2523 * config/i860/paragon.h (ASCII_DATA_ASM_OP, BSS_SECTION_ASM_OP):
2525 * config/i860/sysv3.h (ASCII_DATA_ASM_OP, CTORS_SECTION_ASM_OP,
2526 DTORS_SECTION_ASM_OP, TDESC_SECTION_ASM_OP): Here.
2527 * config/i860/sysv4.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
2528 TDESC_SECTION_ASM_OP): Here.
2529 * config/i960/i960-coff.h (CTORS_SECTION_ASM_OP,
2530 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
2531 * config/i960/i960.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2533 * config/ia64/ia64.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2534 BSS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
2535 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
2536 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
2537 * config/ia64/sysv4.h (ASM_BYTE_OP, STRING_ASM_OP, SKIP_ASM_OP,
2538 COMMON_ASM_OP, ASCII_DATA_ASM_OP, INIT_SECTION_ASM_OP,
2539 FINI_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
2540 SDATA_SECTION_ASM_OP, SBSS_SECTION_ASM_OP): Here.
2541 * config/m32r/m32r.h (SCOMMON_ASM_OP): Here.
2542 * config/m68hc11/m68hc11.h (GLOBAL_ASM_OP): Here.
2543 * config/m68k/auxas.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
2544 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
2546 * config/m68k/coff.h (BSS_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
2547 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
2548 * config/m68k/crds.h (BSS_SECTION_ASM_OP): Here.
2549 * config/m68k/dpx2.h (ASM_BYTE_OP, GLOBAL_ASM_OP): Here.
2550 * config/m68k/hp320.h (ASCII_DATA_ASM_OP, GLOBAL_ASM_OP): Here.
2551 * config/m68k/linux.h (BSS_SECTION_ASM_OP): Here.
2552 * config/m68k/lynx.h (BSS_SECTION_ASM_OP): Here.
2553 * config/m68k/m68k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2554 GLOBAL_ASM_OP): Here.
2555 * config/m68k/m68kelf.h (SWBEG_ASM_OP, BSS_ASM_OP,
2556 BSS_SECTION_ASM_OP): Here.
2557 * config/m68k/m68kv4.h (BSS_ASM_OP): Here.
2558 * config/m68k/mot3300.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2559 ASCII_DATA_ASM_OP, SET_ASM_OP, CTORS_SECTION_ASM_OP,
2560 DTORS_SECTION_ASM_OP, GLOBAL_ASM_OP, ASM_BYTE_OP, ALIGN_ASM_OP,
2562 * config/m68k/newsgas.h (SET_ASM_OP): Here.
2563 * config/m68k/rtemself.h (INIT_SECTION_ASM_OP,
2564 FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
2565 * config/m68k/sgs.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
2566 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
2567 SET_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here,
2568 but use trailing spaces.
2569 * config/m68k/tower-as.h (TEXT_SECTION_ASM_OP,
2570 DATA_SECTION_ASM_OP, GLOBAL_ASM_OP, INIT_SECTION_ASM_OP,
2571 FINI_SECTION_ASM_OP, CONST_SECTION_ASM_OP, BSS_SECTION_ASM_OP):
2573 * config/m88k/dgux.h (FINI_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
2574 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
2575 * config/m88k/m88k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2576 CONST_SECTION_ASM_OP, TDESC_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
2577 DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
2578 IDENT_ASM_OP, FILE_ASM_OP, SECTION_ASM_OP, SET_ASM_OP,
2579 GLOBAL_ASM_OP, ALIGN_ASM_OP, SKIP_ASM_OP, COMMON_ASM_OP,
2580 BSS_ASM_OP, FLOAT_ASM_OP, DOUBLE_ASM_OP, INT_ASM_OP, SHORT_ASM_OP,
2581 CHAR_ASM_OP, ASCII_DATA_ASM_OP, SBSS_ASM_OP, SCOMM_ASM_OP,
2582 SDATA_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, INTERNAL_ASM_OP,
2583 VERSION_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
2584 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP, REQUIRES_88110_ASM_OP,
2586 * config/m88k/openbsd.h (SET_ASM_OP): Here.
2587 * config/m88k/sysv4.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
2588 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
2589 * config/mcore/mcore-elf.h (UNALIGNED_INT_ASM_OP,
2590 UNALIGNED_SHORT_ASM_OP, CTORS_SECTION_ASM_OP,
2591 DTORS_SECTION_ASM_OP): Here.
2592 * config/mcore/mcore-pe.h (CTORS_SECTION_ASM_OP,
2593 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
2594 * config/mips/elf.h (TYPE_ASM_OP, SIZE_ASM_OP,
2595 BSS_SECTION_ASM_OP): Here.
2596 * config/mips/elf64.h (TYPE_ASM_OP, SIZE_ASM_OP): Here.
2597 * config/mips/iris5.h (ABICALLS_ASM_OP): Here.
2598 * config/mips/iris6.h (TYPE_ASM_OP, SIZE_ASM_OP,
2599 POPSECTION_ASM_OP, BSS_SECTION_ASM_OP, CONST_SECTION_ASM_OP_32,
2600 CONST_SECTION_ASM_OP_64, CTORS_SECTION_ASM_OP,
2601 DTORS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
2602 * config/mips/mips.c (ABICALLS_ASM_OP): Here.
2603 * config/mips/mips.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP):
2605 * config/mips/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP):
2607 * config/mips/osfrose.h (SET_ASM_OP): Here.
2608 * config/mips/sni-svr4.h (ABICALLS_ASM_OP): Here.
2609 * config/ns32k/encore.h (SHARED_SECTION_ASM_OP): Here.
2610 * config/ns32k/merlin.h (SHARED_SECTION_ASM_OP): Here.
2611 * config/ns32k/ns32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2613 * config/ns32k/sequent.h (SHARED_SECTION_ASM_OP): Here.
2614 * config/ns32k/tek6000.h (SHARED_SECTION_ASM_OP): Here.
2615 * config/pa/pa-64.h (INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP): Here.
2616 * config/pa/pa.h (ASM_STABS_OP, ASM_STABN_OP): Here.
2617 * config/pj/pj.h (SET_ASM_OP, BSS_SECTION_ASM_OP): Here.
2618 * config/pyr/pyr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2620 * config/romp/romp.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2622 * config/rs6000/rs6000.h (SET_ASM_OP): Here.
2623 * config/rs6000/sol2.h (ASM_STABN_OP): Here.
2624 * config/rs6000/sysv4.h (SKIP_ASM_OP, LOCAL_ASM_OP, LCOMM_ASM_OP):
2626 * config/sh/sh.h (SET_ASM_OP, BSS_SECTION_ASM_OP,
2627 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here.
2628 * config/sparc/linux.h (COMMON_ASM_OP): Here.
2629 * config/sparc/linux64.h (COMMON_ASM_OP,
2630 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
2631 * config/sparc/litecoff.h (BSS_SECTION_ASM_OP,
2632 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
2633 * config/sparc/lynx.h (BSS_SECTION_ASM_OP): Here.
2634 * config/sparc/pbd.h (ASM_INT_OP): Here.
2635 * config/sparc/sp64-elf.h (UNALIGNED_LONGLONG_ASM_OP): Here.
2636 * config/sparc/sparc.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
2637 DATA_SECTION_ASM_OP, IDENT_ASM_OP): Here.
2638 * config/sparc/sun4gas.h (UNALIGNED_DOUBLE_INT_ASM_OP,
2639 UNALIGNED_INT_ASM_OP, UNALIGNED_SHORT_ASM_OP): Here.
2640 * config/sparc/sysv4.h (STRING_ASM_OP, COMMON_ASM_OP, SKIP_ASM_OP,
2641 UNALIGNED_DOUBLE_INT_ASM_OP, UNALIGNED_INT_ASM_OP,
2642 UNALIGNED_SHORT_ASM_OP, PUSHSECTION_ASM_OP, POPSECTION_ASM_OP,
2643 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP,
2644 CONST_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
2645 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
2646 EH_FRAME_SECTION_ASM_OP): Here.
2647 * config/sparc/vxsim.h (COMMON_ASM_OP): Here.
2648 * config/spur/spur.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2650 * config/tahoe/tahoe.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2652 * config/v850/v850.h (SCOMMON_ASM_OP, ZCOMMON_ASM_OP,
2653 TCOMMON_ASM_OP): Here.
2654 * config/vax/vax.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2656 * config/we32k/we32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2659 2000-09-25 Richard Henderson <rth@cygnus.com>
2661 * expmed.c (store_bit_field): Adjust last change to not consider
2662 any word-sized field naturally aligned.
2664 2000-09-24 Richard Henderson <rth@cygnus.com>
2666 * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
2667 TFmode unordered compares properly. Revalidate integer compare
2669 (alpha_emit_setcc): New.
2670 (alpha_emit_conditional_move): Revalidate integer compare operands.
2671 * config/alpha/alpha-protos.h: Update.
2672 * config/alpha/alpha.md (cmpdi): Allow general operands.
2673 (sne): Use alpha_emit_setcc.
2674 (seq, slt, sle, sgt, sge, sltu, sleu, sgtu, sgeu): Likewise.
2675 (sunordered, sordered): New.
2677 2000-09-24 Richard Henderson <rth@cygnus.com>
2679 * config/ia64/ia64-protos.h: Update.
2680 * config/ia64/ia64.c (call_multiple_values_operation): Remove.
2681 (ia64_expand_call): New.
2682 (ia64_expand_prologue): Emit an alloc if we need extra input
2684 (ia64_expand_epilogue): New arg sibcall_p; don't emit the return
2685 instruction if true.
2686 (struct reg_flags): Add is_sibcall.
2687 (rtx_needs_barrier): A sibcall does not use CFM et al. Ignore USEs.
2688 (emit_insn_group_barriers): Set flags.is_sibcall. Remove hacks
2689 for CODE_FOR_gr_spill_internal/CODE_FOR_gr_restore_internal.
2690 * config/ia64/ia64.h (PREDICATE_CODES): Update.
2691 * config/ia64/ia64.md (call): Use ia64_expand_call.
2692 (call_value): Likewise.
2693 (sibcall, sibcall_value): New.
2694 (call patterns): Remove extra expanders; tidy.
2695 (sibcall_epilogue): New.
2696 (set_bsp): Remove the extra USE. Put the operand inside the UNSPEC.
2698 2000-09-24 Richard Henderson <rth@cygnus.com>
2700 * emit-rtl.c (gen_lowpart_common): Use trunc_int_for_mode.
2702 * sibcall.c (skip_pic_restore): New.
2703 (identify_call_return_value): Use it.
2705 2000-09-24 Mark Mitchell <mark@codesourcery.com>
2707 * c-tree.texi: Moved here from cp/ir.texi. Documented nested
2708 functions. Generalize to handle both C and C++.
2709 * Makefile.in (c-tree.info): New target.
2710 (info): Add c-tree.info.
2712 Sun Sep 24 09:15:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2714 * expr.c (store_field): If BITSIZE is negative, use size of type.
2715 (expand_expr, case COMPONENT_EXPR): Likewise.
2717 Sun 24-Sep-2000 11:40:23 BST Neil Booth <NeilB@earthling.net>
2719 * cpplex.c: Update TODO comment.
2720 * cpplib.c (do_error, do_warning): Merge common code of
2721 do_error and do_warning into do_diagnostic. Use it.
2722 (do_diagnostic): New function.
2723 * cpplib.h: Fix comment typo.
2725 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
2727 * c-common.c (check_format_info): Warn for a wide character string
2728 used as a non-wide format argument.
2730 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
2732 * builtins.def (BUILT_IN_LLABS): Add.
2733 * builtins.c (expand_builtin): Also abort on BUILT_IN_LLABS.
2734 * c-common.c (c_common_nodes_builtins): Create builtin functions
2735 __builtin_llabs, and plain llabs unless no_nonansi_builtins
2736 outside of C99 mode.
2737 (expand_tree_builtin): Handle BUILT_IN_LLABS.
2739 Sat 23-Sep-2000 22:39:18 BST Neil Booth <NeilB@earthling.net>
2741 * cpphash.h (CPP_RESERVE, CPP_PUTS_Q, CPP_PUTS, CPP_PUTC_Q,
2742 CPP_PUTC, DUMMY_TOKEN, NO_DUMMY_TOKEN): Delete.
2743 * cpplex.c (_cpp_expand_token_space, _cpp_init_toklist,
2744 _cpp_free_toklist): No need to worry about extra dummy token
2745 at the start of token lists any more.
2746 (trigraph_ok): Only warn outside comments.
2747 (skip_block_comment): Set and clear lexing_comment.
2748 (skip_line_comment): Take a cpp_reader not cpp_buffer.
2749 Set and clear lexing_comment.
2750 (parse_number): Handle leading '.' indicated by pfile->seen_dot.
2751 (check_long_token): Delete.
2752 (lex_percent, lex_dot): New subroutines of lex_token to
2753 handle lexing of '.' and '%' without lookback.
2754 (lex_token): Use lex_dot and lex_percent.
2755 (lex_line): Don't check for LIST_OFFSET.
2756 (_cpp_init_input_buffer): Update for new _cpp_init_toklist.
2757 * cpplib.c (_cpp_parse_assertion): Similarly.
2758 (cpp_push_buffer): Initialize extra_char.
2759 * cpplib.h (LIST_OFFSET): Delete.
2760 (struct cpp_buffer): New member extra_char.
2761 (struct lexer_state): New members lexing_comment and seen_dot.
2763 2000-09-23 Jason Merrill <jason@redhat.com>
2765 * config/rs6000/x-aix41 (CLIB): Define here.
2766 * config/rs6000/t-aix43: Not here.
2767 * config/rs6000/t-aix41: Or here. Remove.
2768 * configure.in: Don't use it.
2770 2000-09-22 Jason Merrill <jason@redhat.com>
2772 * configure.in: Add test for HAVE_LD_DWARF_LINKONCE.
2773 * toplev.c: Use it to initialize flag_eliminate_dwarf2dups.
2774 * config.in: Regenerate.
2776 * configure.in: Fix checks for assembler features when using a
2777 one-tree assembler that has not yet been built.
2778 Fix --disable-threads.
2780 2000-09-19 Geoff Keating <geoffk@cygnus.com>
2782 * stmt.c (expand_asm_operands): Allow # in constraints.
2784 2000-09-22 Jason Merrill <jason@redhat.com>
2786 * c-lex.c (skip_white_space): Just treat CRs as horizontal whitespace.
2788 * dbxout.c (dbxout_symbol_name): Just use DECL_NAME for
2789 function-local names.
2791 2000-09-22 Brad Lucier <lucier@math.purdue.edu>
2792 Mark Mitchell <mark@codesourcery.com>
2794 * toplev.c (warn_disabled_optimization): Declare new warning flag.
2795 * flags.h (warn_disabled_optimization): Add it here.
2796 * gcse.c (gcse_main): Add warning when disabled.
2797 * invoke.texi: Document -Wdisabled-optimization.
2799 2000-09-21 Jason Merrill <jason@redhat.com>
2801 * dwarf2out.c (add_const_value_attribute): Multiply by length, not 4.
2803 * dwarf2out.c (tree_add_const_value_attribute): New fn.
2804 (gen_variable_die): Call it for non-definitions.
2806 * dwarf2out.c (die_struct): Add die_mark field.
2807 (mark_dies, unmark_dies): New fns.
2808 (clear_die_sizes): Remove.
2809 (print_die): Check die_symbol rather than die_offset.
2810 (build_abbrev_table, output_pubnames, output_aranges): Check
2811 die_mark rather than die_offset.
2812 (output_comp_unit): Move calc_die_sizes after build_abbrev_table.
2815 Thu 21-Sep-2000 18:19:05 BST Neil Booth <NeilB@earthling.net>
2817 * cppfiles.c (lookup_include_file): Rename to open_file.
2818 Always create a splay tree value, even on syscall failures.
2819 Negative entries indicated by fd == -2.
2820 Re-open files closed in the meantime.
2821 (_cpp_fake_include): Create a negative splay tree entry.
2822 (find_include_file, cpp_read_file): Update for function name
2824 * gcc.gd/cpp/mi4.c: Testcase.
2826 2000-09-21 Nick Clifton <nickc@redhat.com>
2828 * config/arm/t-arm-elf (MULTILIB_DIRNAMES): Enable multilibs for
2829 ARM and THUMB modes.
2831 * config/mcore/mcore.c: Fix compile time warnings.
2832 * config/mcore/mcore-protos.h: Fix compile time warnings.
2834 2000-09-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2836 * configure.in: Correct test of gcc_cv_glibc.
2837 * configure: Rebuilt.
2838 * config.in: Rebuilt.
2840 2000-09-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2842 * builtins.c (expand_builtin_fputs): Also expand when length!=1.
2843 (expand_builtin): Handle BUILT_IN_FWRITE.
2845 * builtins.def (BUILT_IN_FWRITE): New entry.
2847 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_fwrite.
2849 Wed Sep 20 15:39:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2851 * gcc.c (modify_target): New variable and struct.
2852 (process_command): Handle MODIFY_TARGET_NAME.
2853 * tm.texi (MODIFY_TARGET_NAME): Add documentation for new macro.
2854 * config/pa/pa.h (MODIFY_TARGET_NAME): New macro.
2856 * c-decl.c (finish_decl): Add else's to avoid referencing
2857 TYPE_DOMAIN of an ERROR_MARK.
2859 Wed Sep 20 21:44:31 2000 Denis Chertykov <denisc@overta.ru>
2861 * config/avr/avr.c (adjust_insn_length): Adjust lengths of
2864 2000-09-19 Marek Michalkiewicz <marekm@linux.org.pl>
2866 * config/avr/avr.md (neghi2): Add alternative for input and output
2867 operands in different registers, as in negsi2.
2868 (*negsi2): Remove '*' from the name. Use "movw" if available.
2870 2000-09-19 Jim Wilson <wilson@cygnus.com>
2872 * config/ia64/crtbegin.asm (__dso_handle): Delete use of
2873 HAVE_GAS_HIDDEN macro.
2875 Tue 19-Sep-2000 22:38:57 BST Neil Booth <NeilB@earthling.net>
2877 * cpplex.c (lex_line): Drop the EOF token for unknown
2878 directives in assembler.
2880 2000-09-19 David Edelsohn <edelsohn@gnu.org>
2882 * configure.in: Allow enable_threads_flag value of "aix". Define
2883 thread_file as "aix" for AIX 4.3 and above.
2884 * configure: Regenerated.
2886 * gthr-aix.h: New file.
2888 * rs6000/t-aix43: Replace soft-float multilib with pthread.
2889 Remove 403 processor multilib match. Fix rios2 processor multilib
2892 * rs6000/aix.h (ASM_DECLARE_FUNCTION_NAME): Use function_section
2893 to return to appropriate csect.
2895 2000-09-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2897 * builtins.c (is_valid_printf_arglist, expand_builtin_printf): New
2899 (expand_builtin_fputs): Set `target' parameter for `expand_expr'.
2900 (expand_builtin): Handle BUILT_IN_PUTCHAR, BUILT_IN_PUTS and
2903 * builtins.def (BUILT_IN_PUTCHAR, BUILT_IN_PUTS, BUILT_IN_PRINTF):
2906 * c-common.c (init_function_format_info): Handle __builtin_printf.
2907 Set `check_function_format_ptr'.
2908 (c_common_nodes_and_builtins): Set `puts_ftype' and
2909 `printf_ftype'. Declare __builtin_putchar, __builtin_puts,
2910 __builtin_printf and printf.
2912 * tree.c, tree.h (check_function_format_ptr): Declare.
2914 Tue 19-Sep-2000 18:26:57 BST Neil Booth <NeilB@earthling.net>
2916 * cppfiles.c (read_include_file): Take no special action for
2919 2000-09-19 Bernd Schmidt <bernds@redhat.co.uk>
2921 * final.c (insn_current_reference_address): Use INSN_SHUID of seq
2922 rather than that of branch.
2923 (shorten_branches): Don't increment insn_current_address twice.
2925 Undo most of the Wed Jan 27 23:39:53 1999 patch:
2926 * loop.h (struct induction): Delete members derived, ix and last_use.
2927 (struct loop_ivs): Delete members first_increment_giv and
2929 * loop.c (verify_dominator, find_life_end, cmp_recombine_givs_stats,
2930 recombine_givs): Delete functions.
2931 (find_and_verify_loops): Don't initialize cont_dominator.
2932 (strength_reduce): Lose code to try to find bivs that can be
2933 expressed as givs of another biv, and to convert biv increments
2935 Lose loop_scan_start variable, always use loop->scan_start.
2936 Don't call recombine_givs. Don't handle derived givs.
2937 (record_giv): Don't initialize derived and last_use fields.
2938 (biv_eliminiation_giv_has_0_offset): Lose code to handle derived
2940 * unroll.c (derived_regs): Delete static variable.
2941 (unroll_loop): Don't initialize it.
2942 (copy_loop_body): Lose code to handle derived givs.
2943 (find_splittable_givs): Don't check for givs made from biv
2945 Don't set derived_regs.
2947 Fix misapplied earlier patch:
2948 * config/sh/sh.md (floatsisf_ie): Reenable. Remove explicit reference
2950 (floatsisf2): Generate floatsisf_ie by default.
2951 (floatsisf_i4): Conditional on TARGET_SH4.
2953 (floatsisf2, floatsidf2, extendsfdf2): Also use reg_no_subreg_operand
2954 predicate for the expanders.
2956 2000-09-19 Richard Henderson <rth@cygnus.com>
2958 * config/i386/i386.h (CPP_CPU_SPEC): Define i586 and i686 symbols
2959 in addition to pentium and pentiumpro symbols.
2960 (CPP_CPU_DEFAULT_SPEC): Likewise.
2962 * c-typeck.c (c_expand_asm_operands): Restore the output tree
2965 * stmt.c (expand_expr_stmt): Only call warn_if_unused_value
2966 if the tree has side effects.
2967 (warn_if_unused_value): Do not warn about void constructs.
2969 * c-decl.c (poplevel): Invoke warn_about_unused_variables.
2971 * unroll.c (copy_loop_body): Update LABEL_NUSES before
2972 calling invert_jump.
2974 2000-09-18 Geoff Keating <geoffk@cygnus.com>
2976 * combine.c (can_combine_p): Don't substitute an ASM_OPERANDS
2979 2000-09-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2981 * Makefile.in (c-common.o): Depend on diagnostic.h.
2983 * c-common.c: Include diagnostic.h.
2985 (status_warning): New function.
2986 (check_format_info, maybe_read_dollar_number, check_format_types,
2987 finish_dollar_format_checking, check_function_format): Accept a
2988 `status' parameter. All callers changed.
2990 * c-common.h (check_function_format): Accept a `status' parameter.
2992 * c-typeck.c: Update call to `check_function_format'.
2994 2000-09-18 Richard Henderson <rth@cygnus.com>
2996 * c-decl.c (c_expand_body): Call mark_varargs before
2997 expand_function_start.
2999 2000-09-18 Geoff Keating <geoffk@cygnus.com>
3001 * config/rs6000/eabi-cn.asm: Use /**/ to delimit comments, not #.
3002 * config/rs6000/eabi-ci.asm: Likewise.
3004 2000-09-18 Richard Henderson <rth@cygnus.com>
3006 * emit-rtl.c (init_emit_once): Initialize const_tiny_rtx
3009 2000-09-18 Jim Wilson <wilson@cygnus.com>
3011 * unroll.c (loop_iterations): Pass increment to extend_for_giv_value
3012 before passing it to fold_rtx_mult_add.
3014 * unroll.c (final_giv_value): Pass increment through
3015 extend_value_for_giv before passing it to emit_iv_add_mult.
3017 * function.c (fixup_var_refs_1, case ZERO_EXTRACT): If we have a
3018 paradoxical subreg, then directly substitute the replacement and
3021 Mon 18-Sep-2000 22:12:44 BST Neil Booth <NeilB@earthling.net>
3023 * cpp.texi: Update documentation, including some clarifications,
3024 the treatment of various newline combinations, and space between
3025 backslash and newline.
3027 Mon Sep 18 21:00:47 2000 J"orn Rennecke <amylaar@redhat.co.uk>
3029 * sdbout.c (PUT_SDB_DEF, PUT_SDB_TAG, PUT_SDB_EPILOGUE_END):
3030 Replace ASM_OUTPUT_LABELREF with assemble_name.
3032 Mon Sep 18 20:26:50 2000 J"orn Rennecke <amylaar@redhat.co.uk>
3034 * sh.c (addsubcosts): CONST is not cheap.
3035 (find_barrier): For Sh1, take alignment after jumps into account.
3037 2000-09-15 Andrew Haley <aph@redhat.com>
3039 * toplev.c (rest_of_compilation): Call purge_hard_subreg_sets to
3040 remove all SETs of SUBREGs of hard registers.
3041 * function.c (purge_hard_subreg_sets): New function.
3042 (purge_single_hard_subreg_set): New function.
3043 * rtl.h: (purge_hard_subreg_sets): New function.
3045 2000-09-18 Richard Henderson <rth@cygnus.com>
3047 * config/ia64/ia64-protos.h: Update.
3048 * config/ia64/ia64.c (signed_inequality_operator): New.
3049 (ia64_expand_compare): New.
3050 (ia64_register_move_cost): Handle PR_REGS moves.
3051 (ia64_secondary_reload_class): Require a GR when moving to a PR.
3052 (struct reg_write_state): Add written_by_and/or.
3053 (struct reg_flags): Add is_and/or.
3054 (rws_update): Set them.
3055 (rws_access_regno): Test them to allow parallel comparisons.
3056 (rtx_needs_barrier): Recognize parallel comparisons.
3057 (emit_insn_group_barriers): Set prev_insn after a call stop bit.
3058 Call recog_memoized; ignore pred_rel_mutex.
3059 (emit_predicate_relation_info): Don't call find_basic_blocks here.
3060 (ia64_reorg): Do it here instead.
3061 * config/ia64/ia64.h: s/CCmode/BImode/g
3062 (MODES_TIEABLE_P): Don't tie BImode.
3063 (PREFERRED_RELOAD_CLASS): Do not reload operations into AR regs.
3064 (CONST_COSTS): Pick sensible values for CONST_INT based on context.
3065 (RTX_COSTS): Make multiply 4 insns.
3066 (MEMORY_MOVE_COST): New.
3067 (PREDICATE_CODES): Update.
3068 * config/ia64/ia64.md: s/CCmode/BImode/g
3069 (movcci, movbi): New.
3070 (andbi3, andcmbi3, iorbi3, iorcmbi3, one_cmplbi2): New.
3071 (cmpsi_and_0, cmpsi_and_1, cmpsi_andnot_0, cmpsi_andnot_1): New.
3072 (cmpdi_and_0, cmpdi_and_1, cmpdi_andnot_0, cmpdi_andnot_1): New.
3073 (tbit_and_0, tbit_and_1, tbit_and_2, tbit_and_3): New.
3074 (cmpsi_or_0, cmpsi_or_1, cmpsi_orcm_0, cmpsi_orcm_1): New.
3075 (cmpdi_or_0, cmpdi_or_1, cmpdi_orcm_0, cmpdi_orcm_1): New.
3076 (tbit_or_0, tbit_or_1, tbit_or_2, tbit_or_3): New.
3077 (mulsi, muldi): Use xmpy not xma.
3079 (movcc, movcc_internal): Remove.
3080 (branch expanders): Use ia64_expand_compare.
3081 (setcc expanders): Likewise.
3082 (cmov insns): Use move_operand and ia64_move_ok.
3083 (pred_rel_mutex): Use unspec not unspec_volatile. Prevent the
3084 scheduler from moving it past a use.
3085 * config/ia64/build.hacks: Remove.
3087 Mon 18-Sep-2000 19:21:35 BST Neil Booth <NeilB@earthling.net>
3089 * cpphash.h (HASHSTEP): Take character rather than pointer
3091 (_cpp_check_directive, _cpp_check_linemarker): Update prototypes.
3093 * cpphash.c (cpp_loookup): Update for new HASHSTEP.
3095 * cpplex.c (auto_expand_name_space, trigraph_replace,
3096 backslash_start, handle_newline, parse_name, INIT_TOKEN_STR,
3097 IMMED_TOKEN, PREV_TOKEN_TYPE, PUSH_TOKEN, REVISE_TOKEN,
3098 BACKUP_TOKEN, BACKUP_TRIGRAPH, MIGHT_BE_DIRECTIVE,
3099 KNOWN_DIRECTIVE): Delete.
3101 (handle_newline, check_long_token, skip_escaped_newlines,
3102 unterminated): New functions.
3103 (ACCEPT_CHAR, SAVE_STATE, RESTORE_STATE): New macros.
3105 (parse_identifier): Was parse_name, new implementation.
3106 (skip_line_comment, skip_block_comment, skip_whitespace,
3107 parse_number, parse_string, trigraph_ok, save_comment,
3108 adjust_column, _cpp_get_line): New implementations.
3110 (lex_token): New function. Lexes a token at a time, looking
3111 forwards. Contains most of the guts of the old lex_line.
3112 (lex_line): New implementation, using lex_token to obtain
3114 (cpp_scan_buffer): Use the token's line, not the list's line.
3116 * cpplib.c (_cpp_check_directive, _cpp_check_linemarker):
3117 New implementations.
3118 (do_assert): Don't bother setting the answer's list's line.
3119 (cpp_push_buffer): Initialise new pfile and read_ahead members
3120 of struct cpp_buffer.
3122 * cpplib.h (cppchar_t): New typedef.
3123 (struct cpp_buffer): read_ahead, pfile and col_adjust are
3125 (struct lexer_state): New structure that determines the state
3126 and behaviour of the lexer.
3127 (IN_DIRECTIVE, KNOWN_DIRECTIVE): New macros.
3128 (struct cpp_reader): New member "state". Rename
3129 multiline_string_line and multiline_string_column. Delete
3130 col_adjust, in_lex_line members.
3131 (CPP_BUF_COLUMN): Update.
3133 2000-09-18 Richard Henderson <rth@cygnus.com>
3135 * combine.c (simplify_comparison): Shift a NOT out of a single
3138 * combine.c (if_then_else_cond): Canonicalize BImode true to
3140 * explow.c (trunc_int_for_mode): Likewise.
3142 * combine.c (combine_simplify_rtx): Use gen_unary to distribute
3143 the NOT for De Morgan's rule.
3144 * simplify-rtx.c (simplify_unary_operation): Simplify a BImode NOT
3145 of a comparison to the reverse comparison.
3147 * combine.c (try_combine): Allow split to create a single insn.
3149 * machmode.def: Add BImode. Add a column for bitsize.
3150 * machmode.h (DEF_MACHMODE): Adjust for extra column.
3151 (GET_MODE_BITSIZE): Use it.
3152 * rtl.c (DEF_MACHMODE): Adjust for extra column.
3153 (mode_bitsize): New.
3154 (mode_mask_array): Use bitsize.
3155 * combine.c (combine_simplify_rtx): Require inner and outer
3156 modes to match on nonzero_bits optimizations.
3158 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
3160 * reload1.c (forget_old_reloads_1): If a hard reg is stored, clear
3161 its entry in spill_reg_store.
3162 * config/sh/lib1funcs.ams (movstr_i4 functions): Always compile in.
3163 * sh.c (reg_no_subreg_operand): New function.
3164 * sh-protos.h (reg_no_subreg_operand): Declare it.
3165 * sh.h (PREDICATE_CODES): Add it.
3166 * sh.md (floatsisf2_i4, floatsidf2_i, extendsfdf2_i4): Use it for
3167 input operand that needs to be in fpul.
3168 (fix_truncsfsi2, fix_truncsfsi2_i4): Use register_operand for output.
3169 * sh.c (find_barrier): Take into account that machine_dependent_reorg
3170 might add new insns.
3172 2000-09-18 Alexandre Oliva <aoliva@redhat.com>
3174 * config/sh/sh.c (sh_expand_prologue): Mark GOTaddr2picreg as
3176 (sh_expand_epilogue): Take the PIC register into account when
3177 computing the frame size.
3179 * config/sh/sh.c (nonpic_symbol_mentioned_p): Check LABEL_REFs.
3180 * config/sh/sh.md (sym_label2reg, symPLT_label2reg): Protect
3181 LABEL_REFs with a PIC-safe unspec.
3183 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
3185 * c-common.c (check_format_info): Properly save the argument
3186 number and parameter for $ operand number formats in case width
3187 and precision arguments are also used. Allow printf width and
3188 precision arguments to have operand numbers even if none was
3189 specified for the main format, since this is OK for %*.*m. Only
3190 object to missing $ operand number if the format used requires an
3193 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
3195 * c-common.c (format_char_info): Add 'W' flag to comment.
3196 (print_char_table, scan_char_table): Use it.
3197 (check_format_info): Use the 'W' flag to determine whether a
3198 format argument is written into.
3200 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
3202 * c-common.c (check_format_types): Reorganise and clean up,
3203 checking earlier for ERROR_MARKs and making cur_type into its
3204 TYPE_MAIN_VARIANT where convenient.
3206 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
3208 * gcc.c (cpp_options): Add specs for __STDC_HOSTED__.
3210 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
3212 * optabs.c (emit_libcall_block): Set CONST_CALL_P for the call.
3214 * i386-protos.h (ix86_init_builtins, ix86_expand_builtin): Declare.
3215 * i386.c (struct builtin_description): New.
3216 (bdesc_comi, bdesc_2arg, bdesc_1arg): New arrays.
3217 (mmx_reg_operand): Declare MODE arg as unused.
3218 (ix86_expand_sse_comi, ix86_expand_sse_compare, safe_vector_operand,
3219 ix86_expand_unop1_builtin, ix86_expand_unop_builtin,
3220 ix86_expand_binop_builtin, ix86_expand_store_builtin,
3221 ix86_init_builtins, ix86_expand_builtin): New functions.
3222 * i386.h (ix86_builtins): New enumeration.
3223 (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): New macros.
3224 * i386.md (attr length_immediate): 0 for mmx/sse types.
3225 (attr prefix_0f): 1 for mmx/sse types.
3226 (setcc_2): Remove "*" so we get gen_setcc_2.
3227 (emms): Account for changed register numbering. Set "memory" attr
3229 (sfence): Set "memory" attr to unknown.
3231 2000-09-18 Andreas Jaeger <aj@suse.de>
3233 * configure.in: Define _GNU_SOURCE only when using the GNU C
3235 * configure: Regenerated.
3236 * config.in: Regenerated.
3238 2000-09-17 Mark Mitchell <mark@codesourcery.com>
3240 * cppinit.c (cpp_init): Don't use ANSI prototypes.
3241 * flow.c (flow_dump_loop): Likewise.
3242 (flow_loops_dump): Likewise.
3244 * c-typeck.c (c_start_case): Fix typo.
3246 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
3248 * c-decl.c (grokdeclarator): Don't give a warning about defaulting
3249 to int for plain complex which defaults to complex double. Do
3250 warn about defaulting to complex double if pedantic. Warn about
3251 complex integer types if pedantic. Warn about complex types if
3252 pedantic and not in C99 mode.
3253 * c-typeck.c (build_unary_op): If pedantic, warn about use of ~
3254 for complex conjugation.
3256 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
3258 * contrib.texi: Update my entry.
3260 Sun Sep 17 18:48:32 2000 Denis Chertykov <denisc@overta.ru>
3262 * config/avr/avr.md (mcu_enhanced): New attribute.
3263 (mcu_mega): Likewise.
3264 (extendhisi2): Use mcu_enhanced.
3265 (zero_extendhisi2): Likewise.
3266 (call_insn): Use mcu_enhanced and mcu_mega.
3267 (call_value_insn): Likewise.
3268 (*sbrx_branch): Use mcu_mega.
3269 (*sbrx_and_branchsi): Likewise.
3270 (*sbrx_and_branchhi): Likewise.
3271 (*tablejump_lib): Likewise.
3273 Sun Sep 17 10:46:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3275 * alias.c (true_dependence): Allow non-unchanging read to conflict
3276 with unchanging write.
3278 * expr.c (store_constructor_field): Accept ALIAS_SET arg.
3279 (store_constructor): Pass alias_set to it.
3281 * c-decl.c (grokdeclarator): Reorder tests to avoid looking at
3282 TYPE_MAIN_VARIANT of ERROR_MARK.
3283 * c-lex.c (readescape): Avoid using printf syntax we don't recognize.
3285 * simplify-rtx.c (simplify_unary_operation): Add cases
3286 FLOAT_EXTEND and FLOAT_TRUNCATE to ones that return 0.
3288 2000-09-17 Bernd Schmidt <bernds@redhat.co.uk>
3290 * expr.h (emit_library_call, emit_library_call_value): Delete
3292 * rtl.h (enum libcall_type): New.
3293 (emit_library_call, emit_library_call_value): Change fn_type arg to
3294 be of type enum libcall_type.
3295 * calls.c: Likewise for the function definitions. Several callers
3296 throughout changed to use the new enumeration appropriately.
3297 (emit_library_call_value_1): Likewise. Put back code to make libcall
3298 blocks of equal form, but only use it for the two new higher
3301 2000-09-16 Mark Mitchell <mark@codesourcery.com>
3303 Convert the C front-end to use function-at-a-time mode.
3304 * c-common.h: Include splay-tree.h.
3305 (C_DECLARED_LABEL_FLAG): New macro.
3306 (struct language_function): Add x_scope_stmt_stack and
3307 x_function_name_declared_p.
3308 (RECHAIN_STMTS): Move definition.
3309 (lang_statment_code_p): Likewise.
3310 (lang_expand_stmt): Likewise.
3311 (lang_expand_decl_stmt): New variable.
3312 (lang_expand_function_end): Likewise.
3313 (current_scope_stmt_stack): New function.
3314 (add_decl_stmt): Likewise.
3315 (add_scope_stmt): Likewise.
3316 (mark_stmt_tree): Likewise.
3317 (struct c_lang_decl): New structure.
3318 (DECL_SAVED_TREE): Define.
3319 (c_mark_lang_decl): New function.
3320 (c_expand_start_cond): Change prototype.
3321 (c_finish_then): New function.
3322 (c_finish_else): Likewise.
3323 (current_function_name_declared): Remove.
3324 (set_current_function_name_declared): Likewise.
3325 (mark_c_language_function): Declare.
3326 (case_compare): Likewise.
3327 (c_add_case_label): Likewise.
3328 (c_expand_expr): Likewise.
3329 (c_safe_from_p): Likewise.
3330 * c-common.c (lang_expand_function_end): New variable.
3331 (struct if_elt): Add if_stmt.
3332 (c_expand_start_cond): Add the if-statement to the statement-tree,
3333 rather than generating RTL.
3334 (c_finish_then): New function.
3335 (c_expand_start_else): Don't generate RTL.
3336 (c_finish_else): New function.
3337 (c_expand_expr_stmt): Don't generate RTL.
3338 (statement_code_p): Add SCOPE_STMT.
3339 (case_compare): New function.
3340 (c_add_case_label): Likewise.
3341 (mark_stmt_tree): Likewise.
3342 (c_mark_lang_decl): Likewise.
3343 (mark_c_language_function): Likewise.
3344 (c_expand_expr): Likewise.
3345 (c_safe_from_p): Likewise.
3346 * c-decl.c (c_stmt_tree): New variable
3347 (c_scope_stmt_stack): Likewise.
3348 (c_function_name_declared_p): Likewise.
3349 (lang_expand_expr_stmt): Remove.
3350 (poplevel): Don't call output_inline_function for nested
3352 (pushdecl): Don't set DECL_CONTEXT for a local declaration of an
3354 (redeclaration_error_message): Change means of computing whether
3355 or not a function is nested.
3356 (lookup_label): Don't call label_rtx.
3357 (init_decl_processing): Add more GC roots.
3358 (start_decl): Add DECL_STMTs to the statement-tree, rather than
3359 calling rest_of_decl_compilation.
3360 (finish_decl): Don't call expand_decl.
3361 (store_parm_decls): Begin the statement-tree, but don't generate
3363 (finish_function): Tie off the statement-tree. Call c_expand_body
3365 (c_expand_body): New function.
3366 (push_c_function_context): Save more information.
3367 (pop_c_function_contxt): Likewise.
3368 (copy_lang_decl): Now that we use DECL_LANG_SPECIFIC, copy it.
3369 (lang_mark_tree): Mark it.
3370 (current_stmt_tree): Adjust.
3371 (current_scope_stmt_stack): New function.
3373 (set_current_name_declared): Likewise.
3374 (c_begin_compound_stmt): Define.
3375 (c_expand_decl_stmt): Likewise.
3376 * c-lang.c: Include rtl.h and expr.h.
3377 (lang_init): Set more language-specific hooks.
3378 * c-lex.c: Include expr.h.
3379 * c-parse.in: Changes throughout to add statements to the
3380 statement-tree, rather than generating RTL after every statement.
3381 * c-semantics.c (lang_expand_decl_stmt): Define.
3382 (add_decl_stmt): New function.
3383 (add_scope_stmt): Likewise.
3384 (finish_stmt_tree): Tweak.
3385 (genrtl_expr_stmt): Likewise.
3386 (genrtl_decl_stmt): Handle local labels, and call
3387 lang_expand_decl_stmt if required.
3388 (genrtl_for_stmt): Fix line-number handling.
3389 (genrtl_case_label): Handle cleanups.
3390 (genrtl_asm_stmt): Don't call combine_strings.
3391 (genrtl_compound_stmt): Simplify.
3392 (expand_stmt): Handle SCOPE_STMTs.
3393 * c-tree.h (struct lang_decl): New structure.
3394 (C_DECLARED_LABEL_FLAG): Remove.
3395 (c_begin_compound_stmt): Declare.
3396 (c_expand_decl_stmt): Likewise.
3397 (c_expand_start_case): Rename to c_start_case.
3398 (c_finish_case): New function.
3399 * c-typeck.c (start_init): Tweak setting of
3400 constructor_incremental.
3401 (c_expand_asm_operands): Tweak error-handling. Add to the
3403 (c_expand_return): Add to the statement-tree.
3404 (c_expand_start_case): Rename to ...
3405 (c_start_case): ... this.
3406 (struct c_switch): New type.
3407 (switch_stack): New variable.
3408 (do_case): Simplify.
3409 (c_finish_case): New function.
3410 * dependence.c: Include expr.h.
3411 (enum dependence_type): Change spelling of enumerals.
3412 (check_node_dependence): Adjust.
3413 * expr.h (lang_safe_from_p): Declare.
3414 (safe_from_p): Likewise.
3415 * expr.c (lang_safe_from_p): New variable.
3416 (safe_from_p): Give it external linkage. Use lang_safe_from_p.
3417 * stmt.c (expand_expr_stmt): Avoid clobberring of last_expr_type.
3418 * toplev.c (rest_of_decl_compilation): Robustify.
3419 * tree.c (contains_placeholder_p): Likewise.
3420 * Makefile.in: Update dependencies.
3421 * objc/objc-act.h: Adjust calculation of value for dummy_tree_code.
3422 * objc/objc-act.c: Include rtl.h, expr.h, and c-common.h.
3423 (objc_expand_function_end): New function.
3424 (finish_method_def): Use it.
3425 (init_objc): Initialize more language-specific hooks.
3426 * objc/Make-lang.in: Update dependencies.
3428 2000-09-16 Geoffrey Keating <geoffk@cygnus.com>
3430 * configure.in: Define macros that affect features before
3431 testing for features. Don't define _XOPEN_SOURCE.
3432 * configure: Regenerated.
3433 * config.in: Regenerated.
3435 Sat Sep 16 19:42:50 EDT 2000 John Wehle (john@feith.com)
3437 * rtlanal.c (rtx_varies_p): Volatile asms vary.
3438 (rtx_unstable_p): Restructure code. Volatile asms
3441 Sat Sep 16 14:35:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3443 * function.h (no_debugging_symbols): New field.
3444 * integrate.c (save_for_inline): Renamed from save_for_inline_nocopy.
3445 Initialize no_debugging_symbols.
3446 (output_inline_function): Save and restore write_symbols and set from
3447 no_debugging_symbols.
3448 * toplev.c (rest_of_compilation): Call save_for_inline.
3449 * tree.h: Update comment.
3451 * stor-layout.c (place_field): Don't do anything if field or
3452 its type are ERROR_MARK.
3454 Sat Sep 16 19:14:00 2000 Laurynas Biveinis <lauras@softhome.net>
3456 * cppfiles.c (purge_cache): Use munmap only if MMAP_THRESHOLD defined.
3457 (read_include_file): Ensure inc->mmaped is initialized.
3459 2000-09-16 Richard Henderson <rth@cygnus.com>
3461 * cppiles.c (purge_cache): Use PTR not caddr_t.
3463 2000-09-16 Hans-Peter Nilsson <hp@axis.com>
3465 * gcc.c: In description for %{<S}, say the option removed is -S.
3466 * invoke.texi (Spec Files): Ditto.
3468 2000-09-16 Andreas Jaeger <aj@suse.de>
3470 * configure.in: Always define _GNU_SOURCE to make interfaces
3471 visible that were hidden by only defining _GNU_SOURCE.
3472 * configure: Regenerated.
3474 Sat 16-Sep-2000 08:13:45 BST Neil Booth <NeilB@earthling.net>
3476 * cpplex.c (push_macro_context): Set an argument's level after
3477 calling parse_args. We could loop infinitely otherwise.
3479 2000-09-15 Tom Tromey <tromey@cygnus.com>
3481 * configure, config.in: Rebuilt.
3482 * configure.in: Check for iconv.h. Define _XOPEN_SOURCE.
3484 2000-09-15 Greg McGary <greg@mcgary.org>
3486 * cppmacro.c (check_trad_stringification): Check token
3487 text pointers against limit before dereferencing.
3489 2000-09-15 Joseph S. Myers <jsm28@cam.ac.uk>
3491 * c-common.c (format_wanted_type): New structure.
3492 (check_format_types): New function.
3493 (check_format_info): Pass all checking of types of format
3494 arguments, including width and precision arguments, to this new
3497 2000-09-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3499 * BUGS: Remove file.
3501 2000-09-15 Jakub Jelinek <jakub@redhat.com>
3503 * config/alpha/alpha.c (override_options): ev6 cache latencies
3504 from Richard Henderson. Don't allow -mmemory-latency=L0.
3506 * config/alpha/alpha.h (TARGET_CPU_EV5, TARGET_CPU_EV6): Define.
3507 (TARGET_OPTIONS): Add tune=.
3508 (alpha_tune_string): Declare.
3509 * config/alpha/alpha.c (override_options): Add cpu_table.
3510 Use alpha_cpu_string first to set both alpha_cpu and target_flags
3511 and then alpha_tune_string to set alpha_cpu only.
3512 Replace tests for PROCESSOR_EV* with TARGET_CPU_EV* tests.
3513 * config/alpha/elf.h (ASM_FILE_START): Likewise.
3514 * config/alpha/osf.h (ASM_FILE_START): Likewise.
3515 * config/alpha/openbsd.h (ASM_FILE_START): Likewise.
3517 Fri Sep 15 19:45:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
3519 * i386-protos.h (no_comparison_operator, uno_comparison_operator):
3521 (ix86_comparison_operator, ix86_cc_mode): Declare
3522 * i386.h (CCGC, CCGCO): New modes.
3523 (SELECT_CC_MODE): Move offline to ....
3524 * i386.c (ix86_cc_mode): .... here; use new modes.
3525 (ix86_comparison_operator): New.
3526 (fcmov_comparison_operator): Ensure proper mode.
3527 (put_condition_mode): More sanity checking.
3528 (ix86_match_ccmode): Handle new modes.
3529 (ix86_expand_fp_compare): GEU requires CCmode.
3530 (ix86_expand_strlensi_unroll_1): Use emit_cmp_and_jump_insn instead of
3532 * i386.md (cmp?i_ccz_1): Remove
3533 (cmp?i_ccno_1): Use ix86_match_ccmode.
3534 (cmp?i_minus_1): New.
3535 (cmpsi_1): New expander.
3536 (cmpqi_ext_1): Use match_ccmode
3537 (cmpqi_ext_3): New expander.
3538 (cmpqi_ext_3_insn): Rename from cmpqi_ext_3.
3539 (cmpqi_ext_4): Use match_ccmode.
3540 (add?i_?): Use match_ccmode.
3542 (test?i_ccz_1): Remove
3544 (testsi_ccno_1, testqi_ccz_1, testqi_ext_ccno_0): New expander.
3545 (testqi_ext_0): Use ix86_match_ccmode.
3546 (*xorqi_cc_ext_1): Use ix86_match_ccmode.
3547 (xorqi_cc_ext_1): New expander.
3548 (shift patterns): Use CCGOCmode for all shifts except for sar.
3549 (setcc_?, jcc_?, miv?icc_nic): Use ix86_comparison_operator.
3550 (setcc_3, jcc_3, miv?icc_c): Remove.
3552 2000-09-15 Will Cohen <wcohen@redhat.com>
3554 * dwarf2out.c (add_const_value_attribute): Changed array into a
3555 xmalloced object, so it exists after function exit.
3556 (free_AT): Added case for dw_val_class_float to free allocated
3559 2000-09-15 Kazu Hirata <kazu@hxi.com>
3561 * config/i386/i386.md: Fix a comment typo.
3562 * gcc.c: Fix formatting.
3564 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
3566 * optabs.c (emit_libcall_block): If target is a user variable,
3567 copy to a temporary first.
3568 * expr.c (convert_move): When generating a libcall, make a libcall
3570 * calls.c (emit_library_call_value_1): Don't create a libcall
3571 sequence here; our caller will in most cases do it.
3573 * sh.h (SECONDARY_INPUT_RELOAD_CLASS): Handle moving T, MACL or
3575 (SECONDARY_OUTPUT_RELOAD_CLASS): Similar case.
3576 * sh.md (reload_outsf): Generate recognizable patterns for
3578 (floatsisf2, floatsisf2_ie, floatsisf2_i4, fix_truncsfsi2,
3579 fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i, fix_truncdfsi2,
3580 fix_truncdfsi2_i, extendsfdf2, extendsfdf2_i4, truncdfsf2,
3581 truncdfsf2_i4): Change not to use explicit references to fpul.
3582 (floatsisf2_ie): Remove USE of fpscr.
3583 (floatsisf2): Change default expansion to match this.
3584 (fix_truncsfsi2_i4_2, fix_truncdfsi2_i4 & splitters): Comment out
3587 2000-09-15 Richard Henderson <rth@cygnus.com>
3589 * expmed.c (store_bit_field): Consider naturally aligned
3590 memory for direct reference.
3592 2000-09-15 Richard Henderson <rth@cygnus.com>
3594 * config/alpha/alpha.c (alpha_expand_unaligned_load): Force all
3595 AND addresses into alias set 0.
3596 (alpha_expand_unaligned_store): Likewise.
3597 (alpha_expand_unaligned_load_words): Likewise.
3598 (alpha_expand_unaligned_store_words): Likewise.
3600 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
3602 * config/sh/sh.h (CPP_SPEC): For -m4-nofpu, define __SH4_NOFPU__.
3603 * config/sh/lib1funcs.asm (movstr_i4): Also compile if __SH4_NOFPU__
3605 * config/mips/mips.c (mips_va_arg): Args passed by reference have a
3606 rsize of UNITS_PER_WORD.
3608 Fri 15-Sep-2000 06:49:07 BST Neil Booth <NeilB@earthling.net>
3610 * cpplex.c (ON_REST_ARG): Correct the test.
3611 (maybe_paste_with_next): Duplicate a token that fail pasting,
3612 and clear its PASTE_LEFT flag, so that nested pasting attempts
3615 2000-09-14 Richard Henderson <rth@cygnus.com>
3617 * calls.c (precompute_register_parameters): Use COSTS_N_INSNS, not 2.
3618 * cse.c (rtx_cost): Likewise.
3619 * optabls.c (expand_binop): Likewise.
3620 (expand_twoval_binop, prepare_cmp_insn): Likewise.
3621 * regclass.c (copy_cost): Likewise.
3622 * reload1.c (reload_cse_move2add): Likewise.
3624 2000-09-14 Joseph S. Myers <jsm28@cam.ac.uk>
3626 * c-parse.in (reswords): Add _Complex.
3628 2000-09-14 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3630 * gcc.1: Delete documentation for -undef preprocessor option.
3632 2000-09-14 Alexandre Oliva <aoliva@redhat.com>
3634 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
3635 STARTFILE_SPEC, ENDFILE_SPEC): Remove define.
3636 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
3637 Remove undefine before config/elfos.h.
3638 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Comment out.
3640 2000-09-14 Kazu Hirata <kazu@hxi.com>
3642 * invoke.texi (H8/300 Options): Add -ms2600.
3643 * config/h8300.c (h8300_init_once): Output an error when -ms2600
3644 is used without -ms.
3645 * config/h8300.h (TARGET_MAC): New.
3646 (TARGET_SWITCHES): Add -ms2600 and -mno-s2600.
3647 (CONDITIONA_REGISTER_USAGE): Disable the mac register on any
3648 machine other than H8/S2600.
3649 * config/h8300.md: Accept mac instructions on the H8/S2600 instead
3652 2000-09-14 Alexandre Oliva <aoliva@redhat.com>, Bernd Schmidt <bernds@redhat.co.uk>
3654 * reload.c (find_reloads_address_1): Generate reloads for auto_inc
3655 pseudos that refer to the original pseudos, not only to their
3656 equivalent memory locations.
3658 Thu Sep 14 12:10:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3660 * expr.c (expand_expr, case COMPONENT_EXPR): Copy memory attributes
3661 when making new MEM.
3663 * Makefile.in (LN): Remove duplicate definition.
3665 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
3667 From Joern Rennecke:
3668 * local-alloc.c (update_equiv_regs): If there is no REG_EQUAL note
3669 on an insn and function_invariant_p returns nonzero for the source,
3670 add a REG_EQUAL note.
3672 Thu Sep 14 00:51:57 EDT 2000 John Wehle (john@feith.com)
3674 * alias.c (memrefs_conflict_p): An ADDRESSOF doesn't
3675 conflict with frame_pointer_rtx.
3677 2000-09-13 Kazu Hirata <kazu@hxi.com>
3679 * loop.c: Fix formatting.
3682 2000-09-13 Richard Henderson <rth@cygnus.com>
3684 * config/ia64/ia64.md (divsf3): New.
3685 (divsf3_internal_lat, divsf3_internal_thr): New.
3686 (divdf3, divdf3_internal_lat, divdf3_internal_thr): New.
3687 (divtf3, divtf3_internal_lat, divtf3_internal_thr): New.
3688 (adddf3_trunc, subdf3_trunc, muldf3_trunc): New.
3689 (madddf4_trunc, msubdf4_trunc, nmuldf3_trunc): New.
3690 (nmadddf4_alts, nmadddf4_trunc): New.
3691 (addtf3_truncsf, addtf3_truncdf, subtf3_truncsf): New.
3692 (subtf3_truncdf, multf3_truncsf, multf3_truncdf): New.
3693 (multf3_truncsf_alts, multf3_truncdf_alts): New.
3694 (maddtf4_truncsf, maddtf4_truncdf, maddtf4_alts_truncdf): New.
3695 (msubtf4_truncsf, msubtf4_truncdf, nmultf3_truncsf): New.
3696 (nmultf3_truncdf, nmaddtf4_truncsf, nmaddtf4_truncdf): New.
3697 (nmaddtf4_truncdf_alts): New.
3698 (recip_approx): Don't predicate.
3700 2000-09-13 Richard Henderson <rth@cygnus.com>
3702 * config/ia64/lib1funcs.asm (__divsf3): Protect fnorm.s with p6.
3704 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3706 * flags.h (flag_dump_rtl_in_asm): Declare.
3707 * toplev.c (flag_dump_rtl_in_asm): Define.
3708 (decode_d_option): Set flag_dump_rtl_in_asm and flag_print_asm_name
3709 if -dP is specified.
3710 * rtl.h (print_rtx_head): Declare.
3711 * print-rtl.c (print_rtx_head): Define.
3712 (print_rtx): Print the string pointed to by print_rtx_head
3713 at beginning of each dump line.
3714 (print_rtl): Likewise.
3715 (print_rtl_single): Likewise.
3716 * final.c (final_scan_insn): Dump the insn in the assembly
3718 * gcc.1: Document -dP option.
3719 * invoke.texi (Debugging Options): Likewise.
3721 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3723 * md.texi (Machine Constraints): Document the 68HC11 constraints.
3724 * install.texi (Configurations): Document the 68HC11&68HC12 port.
3725 * invoke.texi (Option Summary, M68hc1x Options): Document the options.
3727 Tue Sep 12 13:51:13 2000 Denis Chertykov <denisc@overta.ru>
3729 * config/avr/avr.h (ASSEMBLER_DIALECT): New macro declared.
3730 * config/avr/avr.md (*movstrqi_insn): Cleanup output template.
3731 (*clrstrqi): Likewise.
3732 (xorhi3,xorsi3,absqi2): Likewise.
3733 (one_cmplhi2,one_cmplsi2): Likewise.
3734 (addsi3): Two stupid constraint alternatives removed.
3735 (extendhisi2): Use `movw' for enhanced avr cores.
3736 (zero_extendhisi2): Likewise.
3738 Wed Sep 13 02:31:23 EDT 2000 John Wehle (john@feith.com)
3740 * alias.c (find_base_term): Use frame_pointer_rtx
3741 when handling an ADDRESSOF.
3743 * cse.c (canon_hash): Handle USE of BLKmode memory.
3744 (cse_insn): Outgoing arguments for a libcall don't
3745 affect any recorded expressions.
3747 2000-09-12 Tom Tromey <tromey@cygnus.com>
3749 * configure, config.in: Rebuilt.
3750 * configure.in: Check for iconv, nl_langinfo, langinfo.h.
3752 2000-09-12 Jakub Jelinek <jakub@redhat.com>
3754 * c-lex.c (lex_string): Use charwidth to compute bytemask.
3755 * expr.c (expand_expr): Don't optimize constant array references
3756 initialized with wide string constants.
3758 2000-09-13 Michael Hayes <mhayes@cygnus.com>
3760 * loop.c (note_set_pseudo_multiple_uses): Correct.
3762 2000-09-12 Jim Wilson <wilson@cygnus.com>
3764 * ifcvt.c (noce_process_if_block): If A and B are the same, and no
3765 else block, and X has side-effects, then fail.
3767 2000-09-12 Greg McGary <greg@mcgary.org>
3769 * config/mips/mips-protos.h
3770 (trap_cmp_op, mips_gen_conditional_trap): New func decls.
3771 * config/mips/mips.h (ISA_HAS_COND_TRAP): New macro.
3772 (PREDICATE_CODES): Add "trap_cmp_op".
3773 * config/mips/mips.c
3774 (trap_cmp_op, mips_gen_conditional_trap): New functions.
3775 * config/mips/mips.md (trap, conditional_trap): New patterns.
3777 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
3779 * flow.c (try_pre_increment_1): Don't do anything to sets of the stack
3782 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3784 * builtins.c (built_in_decls): New array.
3785 (expand_builtin_fputs): New function.
3786 (expand_builtin): Handle BUILT_IN_FPUTC and BUILT_IN_FPUTS.
3788 * builtins.def (BUILT_IN_FPUTC, BUILT_IN_FPUTS): New members.
3790 * c-common.c (c_common_nodes_and_builtins): Handle fputc/fputs.
3792 * tree.h (built_in_decls): New array.
3794 Tue Sep 12 08:53:57 2000 Jeffrey A Law (law@cygnus.com)
3796 * convex.md: Use "+" instead of "=" for outputs wrapped in a
3798 * i370.md, i386.md, ns32k.md, sh.md, vax.md: Likewise.
3800 2000-09-12 Kazu Hirata <kazu@hxi.com>
3802 * haifa-sched.c: Fix formatting.
3804 * genattrtab.c: Fix formatting.
3806 * unroll.c: Fix formatting.
3808 2000-09-12 Bruce Korb <bkorb@gnu.org>
3810 * fixinc/fixfixes.c: make a type for the fix procedure & use it,
3811 remove obsolete code
3812 * fixinc/fixincl.c: Use PARAMS, not _P_. Add no-op default to switch.
3813 * fixinc/fixincl.tpl: make non-exported arrays static scope
3814 * fixinc/fixincl.x: regenerate
3815 * fixinc/fixlib.h: Use PARAMS, not _P_
3816 * fixinc/fixtests.c: make a type for the test proc & use it
3817 * fixinc/server.h: Use PARAMS, not _P_
3819 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3821 * c-typeck.c (process_init_element): Avoid union init warnings on
3822 floating point zero. Don't crash on unions containing structs.
3824 2000-09-12 Alexandre Oliva <aoliva@redhat.com>
3826 * config/sh/sh.h (PREDICATE_CODES): Add CONST_DOUBLE to
3827 general_movsrc_operand, and remove CONST_INT from
3828 general_movdst_operand.
3830 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
3832 * cse.c (approx_reg_cost): If SMALL_REGISTER_CLASSES, return INT_MAX
3833 if a reference to non-fixed hardreg is seen. Otherwise, count hard
3834 regs with a higher cost.
3835 (preferrable): Deal with cases where either cost or regcost is
3837 (cse_insn): Use MAX_COST rather than 10000. Always initialize
3839 (COSTS_N_INSNS): Move definition...
3841 (MAX_COST): New macro.
3842 * loop.c (init_loop): Use COSTS_N_INSNS macro instead of hardcoded
3845 2000-09-11 Mark Mitchell <mark@codesourcery.com>
3847 * c-common.h (genrtl_clear_out_block): Remove.
3848 * c-semantics.c (genrtl_clear_out_block): Remove.
3849 (genrtl_while_stmt): Don't call it.
3850 (genrtl_for_stmt): Likewise.
3852 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
3854 * cppfiles.c: Move all default-#defines to top of file.
3855 (open_include_file): Replace by lookup_include_file.
3856 (read_with_read, read_file): Merged into read_include_file.
3857 (stack_include_file, purge_cache): New functions.
3858 (close_cached_fd): Delete.
3859 (lookup_include_file, read_include_file, _cpp_pop_file_buffer):
3860 Cache the in-memory buffer, not the file descriptor.
3862 * cpphash.h (struct include_file): Add buffer, st, refcnt,
3864 (xcnew): New utility macro.
3865 (DO_NOT_REREAD, NEVER_REREAD): Move up by struct include_file.
3866 * cpplib.h (struct cpp_buffer): Remove mapped field.
3868 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
3870 * cpplex.c (parse_string): Accept backslash space newline as a
3872 (lex_line): Likewise.
3873 (_cpp_get_token): Remove hard limit on macro nesting.
3875 2000-09-12 Philipp Thomas <pthomas@suse.de>
3877 * aclocal.m4 (AM_WITH_NLS): Don't force use of included gettext.
3878 * configure: Rebuilt.
3880 2000-09-13 Michael Hayes <mhayes@cygnus.com>
3882 * flow.c (split_block): Fix update of registers live at
3885 Tue Sep 12 01:51:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
3887 * i386.md (add?i_3, add?i_5): New.
3888 (add?i_4): Rename from add?i_3; Fix compare pattern.
3889 (sub?i_3, xor?i_3, ior?i_3): New.
3891 * genrecog.c (write_tree): Output code to clear insn_extract cache.
3892 * genattrtab.c (write_attr_case): Gen call to extract_insn_cache
3893 instead of extract_insn and extract_constrain_insn_cache instead of
3894 extract_insn and constrain_operands.
3895 * recog.c (extract_insn_cached, extract_constrain_insn_cached):
3897 (extract_insn): Clear which_alternative.
3898 (constrain_operands): Set which_alternative to -1 when failed.
3899 * recog.h (extract_constrain_insn_cached, extract_insn_cached):
3902 2000-09-11 Matthew Hiller <hiller@redhat.com>
3904 * config/h8300/h8300.md (movstrictqi): Changed constraint modifier
3905 on operand 0 to '+'.
3906 (movstricthi): Likewise.
3908 2000-09-12 Michael Hayes <mhayes@cygnus.com>
3910 * loop.h (LOOP_IVS): New macro.
3911 (REG_IV_TYPE, REG_IV_INFO): Add ivs argument.
3912 (struct loop_ivs): New.
3913 (struct loop_info): Add ivs field.
3914 (reg_iv_type, reg_iv_info): Delete prototype.
3915 (reg_biv_class, loop_iv_list): Likewise.
3916 * loop.c (record_biv, find_life_end): Pass loop argument.
3917 (reg_iv_type): Remove global array and use
3918 field in loop_regs structure within loop_ivs structure.
3919 (reg_iv_info, reg_biv_class, loop_iv_list): Likewise.
3920 (first_increment_giv, last_increment_giv): Use entry in
3922 (record_initial): Pass ivs pointer.
3923 * unroll.c (copy_loop_body, remap_split_bivs): Add loop argument.
3925 2000-09-12 Michael Hayes <mhayes@cygnus.com>
3927 * loop.h (LOOP_REGS): New macro.
3928 (struct loop_regs): New.
3929 (struct loop_info): Add regs field.
3930 * loop.c (set_in_loop): Remove global array and store
3931 in loop_regs structure as part of loop_info structure.
3932 (n_times_set, may_not_optimize): Likewise.
3933 (reg_single_usage, moved_once): Likewise.
3934 (count_one_set): Add regs argument.
3935 (combine_movables, rtx_equal_for_loop_p, combine_givs): Likewise.
3936 (set_pseudo_multiple_uses): Pass regs pointer.
3938 2000-09-12 Michael Hayes <mhayes@cygnus.com>
3940 * unroll.c (iteration_info): Subsume into loop_iterations.
3941 * loop.h (loop_info): New field iv.
3943 2000-09-12 Michael Hayes <mhayes@cygnus.com>
3945 * basic-block.h (LOOP_TREE, LOOP_PRE_HEADER, LOOP_EDGES): New.
3946 (LOOP_EXITS_DOMS, LOOP_ALL): Likewise.
3947 (flow_loops_update): New prototype.
3948 (flow_loops_find): Add flags to prototype.
3949 (struct loop): Add `pre_header_root' and `pre_header_trace' fields.
3950 * flow.c (flow_loop_pre_header_scan): New.
3951 (flow_loop_dump): Dump pre-header root and trace and exit dominators.
3952 (flow_loop_free): Free pre-header root and trace and exit dominators.
3953 (flow_loops_find): New argument flags.
3954 (flow_loops_update): New function.
3955 * toplev.c (rest_of_compilation): Add flag argument to flow_loops_find.
3957 2000-09-12 Michael Hayes <mhayes@cygnus.com>
3959 * basic-block.h (split_block, update_bb_for_insn): New prototypes.
3960 * flow.c (split_block, update_bb_for_insn): New functions.
3962 2000-09-11 Richard Henderson <rth@cygnus.com>
3964 * cse.c (fold_rtx): Honor NO_FUNCTION_CSE.
3966 2000-09-11 Richard Henderson <rth@cygnus.com>
3968 * config/ia64/ia64-protos.h (fr_nonimmediate_operand): Declare.
3969 * config/ia64/ia64.c (fr_nonimmediate_operand): New.
3970 (ia64_override_options): Prevent optimizing division for both
3971 latency and throughput.
3972 (rtx_needs_barrier): Handle frcpa.
3973 * config/ia64/ia64.h (MASK_INLINE_DIV_LAT): New.
3974 (MASK_INLINE_DIV_THR, TARGET_INLINE_DIV_LAT): New.
3975 (TARGET_INLINE_DIV_THR, TARGET_INLINE_DIV): New.
3976 (TARGET_SWITCHES): Add -minline-divide-min-latency and
3977 -minline-divide-max-throughput.
3978 (PREDICATE_CODES): Update.
3979 * config/ia64/ia64.md (extendsidi2): Remove * from f case.
3980 (zero_extendsidi2): Likewise. Fix typo in f case insn.
3981 (extendsfdf2): Add cases for gr<->fr and fr<->mem.
3982 (extendsftf2): Likewise.
3983 (extenddftf2): Likewise.
3984 (fix_trunctfdi2_alts): New.
3985 (fixuns_trunctfdi2_alts): New.
3986 (madd*4): Rename from madd*3.
3987 (divsi3, modsi3, udivsi3, umodsi3): New.
3988 (divsi3_internal): New.
3989 (divdi3, moddi3, udivdi3, umoddi3): New.
3990 (divdi3_internal_lat, divdi3_internal_thr): New.
3991 (multf3_alts, maddtf4_alts, nmaddtf4_alts): New.
3992 (recip_approx): New.
3994 2000-09-11 Alexandre Oliva <aoliva@redhat.com>
3996 * print-rtl.c (debug_call_placeholder_verbose): New variable.
3997 (print_rtx) [CALL_PLACEHOLDER]: Dump all call sequences if it is
3999 * integrate.c (copy_rtx_and_substitute): Don't share
4000 LEAF_REG_REMAPpable registers with the inlined function. Don't
4001 share the function value with calling sequences.
4003 2000-09-11 Jakub Jelinek <jakub@redhat.com>
4005 * c-decl.c (do_case): Fix a typo.
4007 * combine.c (simplify_if_then_else): Don't convert a == b ? b : a
4008 to a if the comparison is floating mode and not -ffast-math.
4009 * simplify-rtx.c (simplify_ternary_operation): Likewise.
4011 Mon Sep 11 20:07:48 2000 J"orn Rennecke <amylaar@redhat.co.uk>
4013 * sh.h (INITIALIZE_TRAMPOLINE): Remove stray call to
4014 gen_ic_invalidate_line.
4016 2000-09-11 Philip Blundell <pb@futuretv.com>
4018 * config/arm/elf.h (SUBTARGET_CPP_SPEC): Don't define `arm_elf'.
4020 Mon Sep 11 10:48:41 2000 Ulrich Drepper <drepper@redhat.com>
4022 * install.texi (LANGUAGES): Update to include new languages.
4025 2000-09-11 DJ Delorie <dj@redhat.com>
4027 * gcc.c (main): Don't warn about unused -B prefixes
4028 (unused_prefix_warnings): remove
4030 2000-09-11 Kazu Hirata <kazu@hxi.com>
4032 * final.c: Fix formatting.
4034 * integrate.c: Fix formatting.
4036 2000-09-11 Geoff Keating <geoffk@cygnus.com>
4038 * alias.c (memrefs_conflict_p): An ADDRESSOF does conflict, sorry.
4040 2000-09-11 Bernd Schmidt <bernds@redhat.co.uk>
4042 * reload.c (regno_clobbered_p): Fix thinko in previous change.
4044 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4046 * gcc.1: Document 68hc11 specific options.
4048 2000-09-10 Geoff Keating <geoffk@cygnus.com>
4050 * config/rs6000/sysv4.h (MASK_LONG_DOUBLE_128): Define.
4051 (TARGET_LONG_DOUBLE_128): Define.
4052 (SUBTARGET_SWITCHES): Add -mlong-double-64 and -mlong-double-128.
4053 (LONG_DOUBLE_TYPE_SIZE): Redefine.
4054 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
4055 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on definition
4056 of __LONG_DOUBLE_128__.
4057 (CPP_SYSV_SPEC): Define __LONG_DOUBLE_128__ if -mlong-double-128
4059 (CPP_LONGDOUBLE_DEFAULT_SPEC): Define.
4060 (CPP_SYSV_DEFAULT_SPEC): Define.
4061 (SUBTARGET_EXTRA_SPECS): Add cpp_longdouble_default.
4062 (INIT_TARGET_OPTABS): Define.
4064 * config/rs6000/aix.h (RS6000_ITRUNC): Moved from rs6000.h.
4065 (RS6000_UITRUNC): Likewise.
4066 (INIT_TARGET_OPTABS): New macro.
4067 * config/rs6000/rs6000.c (rs6000_trunc_used): Delete.
4068 (trunc_defined): Delete.
4069 (output_prolog): Don't output .extern definitions for fp->int
4070 conversion routines, ASM_OUTPUT_EXTERNAL_LIBCALL will do it.
4071 * config/rs6000/rs6000.h (rs6000_trunc_used): Delete.
4072 (trunc_defined): Delete.
4073 (RS6000_ITRUNC): Moved to aix.h.
4074 (RS6000_UITRUNC): Likewise.
4075 * config/rs6000/rs6000.md (fix_truncdfsi2): Fail if it would
4076 only emit a libcall.
4077 (fixuns_truncdfsi2): Delete.
4078 (trunc_call): Delete.
4079 (trunc_call_rtl): Delete.
4081 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
4083 * varasm.c (make_decl_rtl): Restore leading star on
4084 DECL_ASSEMBLER_NAME set for decls with an asmspec.
4086 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
4088 * c-pragma.c (handle_pragma_pack): Correct parsing logic so it
4089 won't give a spurious error for '#pragma pack()'. Simplify
4090 control flow for readability. 'reset' action is not necessary.
4092 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
4094 * defaults.h: Provide default definitions for: CHAR_TYPE_SIZE,
4095 SHORT_TYPE_SIZE, INT_TYPE_SIZE, LONG_TYPE_SIZE,
4096 LONG_LONG_TYPE_SIZE, WCHAR_TYPE_SIZE, FLOAT_TYPE_SIZE,
4097 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE, and WCHAR_UNSIGNED.
4099 * cppexp.c, dwarfout.c, dwarf2out.c, emit-rtl.c, final.c, optabs.c,
4100 profile.c, sdbout.c, tradcif.y, tree.c:
4101 Include defaults.h if not already included.
4102 Don't define the above macros.
4104 * Makefile.in: Update dependencies.
4106 2000-09-10 Mark Mitchell <mark@codesourcery.com>
4108 * c-common.h (add_stmt): Change prototype.
4109 (RECHAIN_STMTS): New macro.
4110 (CASE_LABEL_DECL): Likewise.
4111 (genrtl_case_label): Change prototype.
4112 (c_expand_start_case): Remove prototype.
4113 (build_case_label): Change prototype.
4114 (decl_constant_value): Declare.
4115 * c-common.c (check_case_value): Handle C++'s extensions to C
4117 * c-commnon.def (CASE_LABEL): Add room for the CASE_LABEL_DECL
4119 * c-parse.in (stmt): Adjust handling of return statements and case
4121 * c-semantics.c (add_stmt): Return the new statement.
4122 (genrtl_return_stmt): Take the RETURN_STMT as input, not the
4123 returned expression. Directly generate RTL, rather than calling
4125 (genrtl_switch_stmt): Don't call c_expand_start_case.
4126 (build_case_label): Take the LABEL_DECL as input, too.
4127 (genrtl_case_label): Just call add_case_node.
4128 (expand_stmt): Adjust calls to genrtl_return_stmt and
4130 * c-tree.h (c_expand_start_case): Declare.
4131 * c-typeck.c (decl_constant_value): Give it external linkage.
4132 (c_expand_return): Don't call expand_return or expand_null_return;
4133 use genrtl_return_stmt instead.
4134 * stmt.c (struct nesting): Remove num_ranges field.
4135 (add_case_node): Give it external linkage.
4136 (expand_start_case): Don't set num_ranges.
4137 (expand_start_case_dummy): Don't clear it.
4138 (pushcase): Rely on add_case_node to handle `default' labels.
4139 (add_case_node): Handle `default' labels.
4140 * tree.c (tree_int_cst_compare): New function.
4141 * tree.h (tree_int_cst_compare): Declare.
4142 (add_case_node): Likewise.
4144 2000-09-10 Richard Henderson <rth@cygnus.com>
4146 * c-parse.in: Revert last change.
4147 (init_reswords): Do not enter disabled keywords into the ridpointers
4148 table, modulo objc weirdness.
4149 (_yylex): Return the canonical spelling for a keyword.
4151 2000-09-10 Philip Blundell <philb@gnu.org>
4153 * config/arm/arm.h (CPP_ISA_SPEC): Don't define `arm' or `thumb'.
4154 * config/arm/linux-elf.h (CPP_PREDEFINES): Don't define `__arm__'.
4156 Sun Sep 10 14:30:28 EDT 2000 John Wehle (john@feith.com)
4158 * alias.c (find_base_term): Handle ADDRESSOF.
4159 (memrefs_conflict_p): An ADDRESSOF doesn't conflict.
4161 2000-09-10 Denis Chertykov <denisc@overta.ru>
4163 * genoutput.c (output_insn_data): Translate <NEWLINE> to \n\ while
4164 outputting templates with many lines.
4166 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4168 * libgcc2.h: Use LONG_LONG_TYPE_SIZE instead of MIN_UNITS_PER_WORD
4169 to decide whether 64-bit support must be generated.
4171 2000-09-10 Richard Henderson <rth@cygnus.com>
4173 * c-parse.in (asm patterns): Fix volatile check.
4175 2000-09-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4177 * cppmacro.c (check_trad_stringification): New function.
4178 (save_expansion): If -Wtraditional, warn about stringification of
4181 2000-09-11 Michael Hayes <mhayes@cygnus.com>
4183 * loop.h (struct loop_mem_info): Move from loop.c
4184 (struct loop_info): Add fields store_mems, mems, mems_idx,
4185 mems_allocated, unknown_address_altered,
4186 unknown_constant_address_altered, num_mem_sets, and
4187 first_loop_store_insn.
4189 * loop.c (loop_store_mems): Replace with field in loop_info struct.
4190 (loop_mems, loop_mems_idx, loop_mems_allocated): Likewise.
4191 (unknown_address_altered, unknown_constant_address_altered): Likewise.
4192 (num_mem_sets): Likewise.
4193 (replace_loop_mems, replace_loop_regs): New.
4194 (struct loop_replace_args): New.
4195 (load_mems): Use replace_loop_mems.
4196 (try_copy_prop): Use replace_loop_regs.
4197 (replace_loop_reg, replace_loop_mem): Use loop_replace_args structure.
4199 2000-09-09 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4201 * configure.in: Recognize m6811-elf and m6812-elf.
4202 * configure: Regenerate.
4204 2000-09-09 Geoff Keating <geoffk@cygnus.com>
4206 * recog.c (validate_replace_rtx_1): Correct MODE parameter in call
4209 2000-09-10 Michael Hayes <mhayes@cygnus.com>
4211 * loop.c (struct movables): New.
4212 (num_movables): Move into struct movables.
4213 (the_movables): Change type to struct movables.
4214 (ignore_some_movables): Change struct movable arg to struct movables.
4215 (force_movables, combine_movables, regs_match_p): Likewise.
4216 (rtx_equal_for_loop_p, move_movables): Likewise.
4217 (scan_loop): Change movables to be of type struct movables.
4218 Replace last_movable with field in movables structure.
4220 2000-09-08 Zack Weinberg <zack@wolery.cumb.org>
4222 * c-pragma.c: Don't elide entire file if !HANDLE_GENERIC_PRAGMAS.
4223 (init_pragma): Avoid warning if pfile happens to be unused.
4224 * c-pragma.h: Never define HANDLE_GENERIC_PRAGMAS. Never
4225 define init_pragma to nothing. Always prototype
4226 init_pragma. Prototype dispatch_pragma if !USE_CPPLIB.
4228 * c-lex.c (process_directive): Always call dispatch_pragma.
4229 Initialize entering_c_header to 0.
4231 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4233 * config/m68hc11/m68hc11.md: New file, machine description for
4235 * config/m68hc11/m68hc11.h: New file, definitions for 68HC11 & 68HC12.
4236 * config/m68hc11/m68hc11.c: New file, functions for 68HC11 & 68HC12.
4237 * config/m68hc11/m68hc12.h: New file, definitions for 68HC12.
4238 * config/m68hc11/m68hc11-protos.h: New file.
4239 * config/m68hc11/m68hc11-crt0.S: New file, startup code.
4240 * config/m68hc11/t-m68hc11-gas: New file, makefile fragment.
4241 * config/m68hc11/xm-m68hc11.h: New file, target defs.
4242 * config/m68hc11/larith.asm: New file, libgcc routines.
4244 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4246 * Makefile.in (DPBIT_FUNCS): Add _usi_to_df.
4247 (FPBIT_FUNCS): Add _usi_to_sf.
4248 * config/fp-bit.c (usi_to_float): New function.
4249 * config/fp-bit.h (L_usi_to_sf, L_usi_to_df): Define.
4250 (usi_to_float): Add appropriate #define.
4252 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
4254 * i386-protos.h (sse_comparison_operator, mmx_reg_operand): Declare
4256 * i386.c (sse_comparison_operator, mmx_reg_operand): New functions.
4257 * i386.md (attr "type"): Add sse and mmx types.
4258 (attr "memory"): Handle them without a crash.
4259 (movsi_1, movdi_2): Allow MMX regs.
4260 (movdi splits): Don't split moves involving MMX regs.
4261 (setcc_4): Remove '*' from pattern name so we get a gen_setcc4.
4262 (movv4sf_internal, movv4si_internal, movv8qi_internal,
4263 movv4hi_internal, movv2si_internal, movv8qi, movv4hi, movv2si,
4264 movv4sf, movv4si, pushv4sf, pushv4si, pushv8qi, pushv4hi, pushv2si,
4265 sse_movaps, sse_movups, sse_movmskps, mmx_pmovmskb, mmx_maskmovq,
4266 sse_movntv4sf, sse_movntdi, sse_movhlps, sse_movlhps, sse_movhps,
4267 sse_movlps, sse_loadss, sse_movss, sse_storess, sse_shufps,
4268 addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, mulv4sf3, vmmulv4sf3,
4269 divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2, rsqrtv4sf2, vmrsqrtv4sf2,
4270 sqrtv4sf2, vmsqrtv4sf2, sse_andti3, sse_nandti3, sse_iorti3,
4271 sse_xorti3, maskcmpv4sf3, maskncmpv4sf3, vmmaskcmpv4sf3,
4272 vmmaskncmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
4273 smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
4274 cvttps2pi, cvtsi2ss, cvtss2si, cvttss2si, addv8qi3, addv4hi3,
4275 addv2si3, ssaddv8qi3, ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3,
4276 subv4hi3, subv2si3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
4277 mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
4278 mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3, mmx_uavgv8qi3,
4279 mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pextrw, mmx_pshufw,
4280 eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3, gtv2si3, umaxv8qi3,
4281 smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3, ashrv2si3, lshrv4hi3,
4282 lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3, mmx_ashldi3,
4283 mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
4284 mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
4285 mmx_punpckldq, emms, sfence, ldmxcsr, prefetch, stmxcsr, sse_clrti,
4286 mmx_clrdi): New patterns.
4288 2000-09-08 Richard Earnshaw <rearnsha@arm.com>
4290 * arm.c: Don't include tm.h directly.
4292 Fri Sep 8 14:34:56 MET DST 2000 Jan Hubicka <jh@suse.cz>
4294 * recog.c (validate_replace_rtx_1): Fix confusion about equality
4295 testing; simplify subregs of constants and nested subregs.
4297 2000-09-08 Alexandre Oliva <aoliva@redhat.com>
4299 * config/sh/sh.md (symPLT_label2reg): Use operand3 for PIC reg.
4301 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
4303 * combine.c (combine_simplify_rtx): Try to simplify VEC_SELECT of a
4305 * rtl.texi (description of USE): Add note about possible pitfalls
4307 From Richard Henderson:
4308 * reload1.c (choose_reload_regs): Compute need_mode properly.
4310 2000-09-07 Richard Henderson <rth@cygnus.com>
4312 * config/ia64/lib1funcs.asm (__divsi3): Use .s1 for frcpa.
4313 (__modsi3, __umodsi3): Likewise.
4314 (__udivsi3): Likewise. Normalize the TFmode values.
4316 2000-09-07 Geoff Keating <geoffk@cygnus.com>
4318 * config/rs6000/sol-c0.c (_start): Declare `termfunc' parameter
4320 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Use cast to suppress
4323 Fri Sep 8 03:26:38 2000 J"orn Rennecke <amylaar@redhat.co.uk>
4325 * sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): Remove.
4326 (cmpeqdi_t): Add output pattern.
4327 (cmpeqdi_t+1): Don't split when not optimizing.
4328 Restore proper splitting operation.
4330 2000-09-07 Richard Henderson <rth@cygnus.com>
4332 * c-lex.c (process_directive): If not HANDLE_GENERIC_PRAGMAS,
4333 do not call dispatch_pragma.
4335 2000-09-07 Jim Wilson <wilson@cygnus.com>
4337 * reload.c (push_reload): Use CLASS_CANNOT_CHANGE_MODE_P in addition
4338 to CLASS_CANNOT_CHANGE_MODE.
4339 * config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE_P): True only if the
4340 mode classes are different.
4342 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
4344 * cpplib.h (struct cpp_options): Add user_label_prefix member,
4345 left out of commit which removed cppulp.c.
4347 2000-09-07 Richard Henderson <rth@cygnus.com>
4349 * bb-reorder.c (fixup_reorder_chain): Add jump in new block
4350 after switch for CASE_DROPS_THROUGH.
4352 2000-09-07 Richard Henderson <rth@cygnus.com>
4354 * loop.c (strength_reduce): Call check_ext_dependant_givs.
4355 Properly extend the biv initial value for the giv.
4356 (record_biv): Zero ext_dependant.
4357 (record_giv): New argument ext_val. Update all callers.
4358 (general_induction_var): Likewise.
4359 (consec_sets_giv): Likewise.
4360 (simplify_giv_expr): Likewise. Fill in ext_val if we find
4361 a sign-extend, zero-extend, or truncate.
4362 (combine_givs_p): Make sure modes are compatible.
4363 (check_ext_dependant_givs): New.
4364 (extend_value_for_giv): New.
4365 * loop.h (struct induction): Add ext_dependant.
4366 * unroll.c (iteration_info): Extend the biv initial value for the giv.
4367 (find_splittable_givs): Likewise.
4368 (final_giv_value): Likewise.
4370 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
4372 * c-pragma.h: Define HANDLE_GENERIC_PRAGMAS if
4373 REGISTER_TARGET_PRAGMAS is defined. Duplicate some
4374 definitions from cpplib.h.
4375 * cpplib.h: Don't typedef struct cpp_reader if c-pragma.h has
4377 * tm.texi: Document HANDLE_PRAGMA as no longer supported. Add
4378 documentation for REGISTER_TARGET_PRAGMAS.
4380 * c-lex.c: Include cpplib.h before c-pragma.h. Define a
4381 default-pragma callback to implement -Wunknown-pragmas if
4383 * c-parse.in: Move all includes to top of file.
4384 * c-pragma.c: Include cpplib.h before c-pragma.h. Include
4386 (dispatch_pragma): Put the namespace in the -Wunknown-pragmas
4388 (init_pragma): If REGISTER_TARGET_PRAGMAS is defined, call it.
4390 * arm.h, arm-protos.h, arm.c,
4391 c4x.h, c4x-protos.h, c4x.c,
4392 h8300.h, h8300-protos.h, h8300.c,
4393 i370.h, i370-protos.h, i370.c,
4394 i960.h, i960-protos.h, i960.c,
4395 sh.h, sh-protos.h, sh.c,
4396 v850.h, v850-protos.h, v850.c: Convert HANDLE_PRAGMA-based
4397 pragmata scheme to use REGISTER_TARGET_PRAGMAS instead.
4399 * d30v.h: Don't mention HANDLE_PRAGMA in comment. Add
4400 multiple include guard.
4401 * i370.md (untyped_call): Use GEN_CALL.
4402 (umodsi3): Remove unused variable.
4403 * sh/elf.h: Don't undef HANDLE_SYSV_PRAGMA.
4404 * v850.c (output_move_single, output_move_double): Constify
4406 (print_operand): Constify a char *.
4407 * v850.h (struct small_memory_info): Constify name member.
4409 2000-09-07 Kazu Hirata <kazu@hxi.com>
4411 * config/h8300.h: Fix comment typos.
4412 * config/h8300/h8300.md: Likewise.
4413 * config/h8300/lib1funcs.asm: Likewise.
4415 Thu 07-Sep-2000 21:29:00 BST Neil Booth <NeilB@earthling.net>
4417 * Makefile.in: Remove references to cppulp.{c,o}.
4418 * cppinit.c (initialize_builtins, cpp_start_read,
4419 cpp_handle_option): Update to use cpp_options structure.
4422 2000-09-07 Joseph S. Myers <jsm28@cam.ac.uk>
4424 * c-common.c (time_char_table): Allow %#b and %#h.
4426 2000-09-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4428 * reorg.c (find_end_label): If the basic block reorder pass moves the
4429 return insn to some other place try to locate it again and put our
4430 end_of_function_label there.
4431 * reorg.c (relax_delay_slots): Check if find_end_label created a
4432 new label that invalidates the current optimazation.
4434 2000-09-07 Catherine Moore <clm@redhat.com>
4436 * unroll.c (unroll_loop): Check for unconditional jumps
4437 to loop continuation. Delete if n_iterations is 1.
4438 (ujump_to_loop_cont): New routine.
4440 2000-09-07 Bernd Schmidt <bernds@redhat.co.uk>
4442 * rtl.c (class_narrowest_mode): Add entries for MODE_VECTOR_INT and
4444 * reload.c (regno_clobbered_p): Accept new arg, MODE, and use it
4445 to handle multiword modes correctly. All callers and the declaration
4448 2000-09-06 Mark Mitchell <mark@codesourcery.com>
4450 * c-common.h (prep_stmt): Declare.
4451 (lang_expand_stmt): Likewise.
4452 * c-decl.c (lang_expand_stmt): Remove.
4453 * c-semantics.c (lang_expand_stmt): Define.
4454 (prep_stmt): New function.
4455 (expand_stmt): Handle common statement types here.
4457 2000-09-07 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>, Alexandre Oliva <aoliva@redhat.com>
4459 * configure.in (sh-*-linux*): Added.
4460 * configure: Rebuilt.
4461 * config/sh/t-linux: New file.
4462 * config/sh/sh.h (USERMODE_BIT): Define.
4463 (TARGET_USERMODE): Likewise.
4464 (TARGET_SWITCHES): New switches for the bits above.
4465 (INITIALIZE_TRAMPOLINE): Call __ic_invalidate in USERMODE.
4466 * config/sh/linux.h: New file.
4467 * config/sh/lib1funcs.asm (GLOBAL): Don't prefix symbols with
4468 underscore on linux.
4469 (L_sdivsi3, L_udivsi3): Define for linux.
4470 (L_ic_invalidate): Define.
4471 * invoke.texi (SH Options): Document -musermode.
4473 2000-09-07 Alexandre Oliva <aoliva@redhat.com>
4475 * config/sh/sh.h (OVERRIDE_OPTIONS): Don't disable function
4476 CSE unless generating PIC.
4478 * config/sh/sh.md (symPLT_label2reg): Force the initialization of
4481 2000-09-06 H.J. Lu (hjl@gnu.org)
4483 * Makefile.in (clean_s1): Depend on stage_b.
4484 (clean_s2): Depend on stage_d. Don't remove $(VOL_FILES) in
4485 stage2. They are used for "make compare".
4487 2000-09-06 Mark Mitchell <mark@codesourcery.com>
4489 Move statement-tree facilities from C++ to C front-end.
4490 * c-common.h (c_tree_index): Add CTI_VOID_ZERO.
4491 (void_zero_node): New macro.
4492 (struct stmt_tree_s): New type.
4493 (stmt_tree): New typedef.
4494 (struct language_function): New type.
4495 (last_tree): New macro.
4496 (last_expr_type): Likewise.
4497 (walk_tree_fn): New typedef.
4498 (current_stmt_tree): New function.
4499 (begin_stmt_tree): Likewise.
4500 (add_stmt): Likewise.
4501 (finish_stmt_tree): Likewise.
4502 (statement_code_p): Likewise.
4503 (lang_statement_code_p): New variable.
4504 (walk_stmt_tree): New function.
4505 (STMT_IS_FULL_EXPR_P): New macro.
4506 * c-common.c (lang_statement_code_p): New variable.
4507 (c_common_nodes_and_builtins): Initialize void_zero_node.
4508 (statement_code_p): New function.
4509 (walk_stmt_tree): Likewise.
4510 * c-decl.c (language_function): Rename to ...
4511 (c_language_function): ... this. Include language_function.
4512 (push_c_function_context): Adjust accordingly.
4513 (pop_c_function_context): Likewise.
4514 (mark_c_function_context): Likewise.
4515 (current_stmt_tree): Define.
4516 * c-semantics.c (begin_stmt_tree): New function.
4517 (add_stmt): Likewise.
4518 (prune_unused_decls): Likewise.
4519 (finish_stmt_tree): Likewise.
4521 2000-09-06 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4523 * flow.c (insn_dead_p): Detect dead memory stores with auto increments.
4525 2000-09-06 Kazu Hirata <kazu@hxi.com>
4527 * calls.c: Fix formatting.
4529 2000-09-06 Graham Stott <grahams@cygnus.co.uk>
4531 * config/i386/i386.h (ADDRESS_COST): Fix typo.
4533 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
4535 Integrated preprocessor.
4537 * Makefile.in: Remove all references to c-parse.gperf,
4538 c-gperf.h, and c-parse.h. Remove -d from yacc command line
4539 generating c-parse.c. Update dependencies.
4540 * c-parse.gperf, c-gperf.h: Delete.
4542 * c-common.c: Don't define parse_options, cpp_token, yy_cur,
4543 yy_lim, or yy_get_token. Don't define get_directive_line if
4545 * c-common.h: Add multiple include guard. Define RID values
4546 for every keyword in C, C++, and Objective C. Put all the
4548 (struct c_fileinfo, get_fileinfo, dump_time_statistics): New.
4549 * c-decl.c (c_decode_option): Handle -lang-objc here.
4550 (print_lang_identifier): Handle C_IS_RESERVED_WORD case.
4551 (grokdeclarator): Adjust for new RID scheme.
4552 (extract_interface_info): New stub.
4553 * c-lang.c: Don't declare yy_cur or parse_options.
4554 (lang_init_options): Call cpp_init. Don't call
4556 (lang_init): Don't call check_newline if USE_CPPLIB.
4558 * c-lex.c: Don't include c-parse.h. Do include timevar.h.
4559 Elide lots of unnecessary code if USE_CPPLIB. Delete code
4560 rendered unnecessary by new architecture. Move routines not
4561 shared with C++ to c-parse.in. Maintain a local idea of the
4562 line number. Handle C++ as well as C.
4563 [USE_CPPLIB]: Declare and register callbacks for #ident and
4564 for entering/leaving files.
4565 (init_c_lex, c_lex): Are now the entry points to this file.
4566 (check_newline): Break out directive handling to
4568 (read_ucs, is_extended_char, utf8_extend_token): Moved here
4570 (readescape, parse_float): Overhaul.
4571 (lex_number, lex_string, lex_charconst): Break out of c_lex
4573 (get_fileinfo, update_header_times, dump_one_header,
4574 dump_time_statistics): New and/or moved here from C++.
4575 Support per-file data needed by C++ and per-header timing
4576 statistics (C++ only, at the moment).
4577 * c-lex.h: Update prototypes. Add multiple include guard.
4578 * c-tree.h (struct lang_identifier): Add rid_code field.
4579 (C_IS_RESERVED_WORD, C_RID_CODE): New.
4581 * c-parse.in: Include c-pragma.h. Remove unnecesary calls to
4582 reinit_parse_for_function and/or position_after_white_space.
4583 (save_filename, save_lineno): Look ahead before saving.
4584 (label -> identifier ':'): Save file and line before shifting ':'.
4585 (reservedwords): No need to call get_identifier.
4586 (init_parse, finish_parse, yyerror, yylex, yyprint,
4587 make_pointer_declarator): Are now here for C/ObjC.
4588 (rid_to_yy): Conversion table from RID constants to Yacc codes.
4590 * c-pragma.c: Rewrite parsing logic to fit with cpplib's
4591 #pragma registry. Provide dummy implementation of that
4592 interface if !USE_CPPLIB.
4593 * c-pragma.h: Update to match.
4595 * flags.h: Add multiple include guard.
4596 (flag_detailed_statistics): Moved here from C++.
4597 * toplev.c: Define flag_detailed_statistics.
4599 * gcc.c (C specs): Use %(trad_capable_cpp) for -E|-M|-MM case
4601 * timevar.def (TV_CPP, TV_LEX): New.
4602 * timevar.h: Add multiple include guard.
4604 * objc/lang-specs.h: Use %(trad_capable_cpp) for -E|-M|-MM case
4606 * objc/objc-act.c: Don't mention yy_cur or parse_options.
4607 Initialize cpplib properly. Force lineno to 0 after first
4608 call to check_newline. Don't handle -lang-objc here.
4609 Move forget_protocol_qualifiers and remember_protocol_qualifiers here.
4611 2000-09-06 David Edelsohn <edelsohn@gnu.org>
4613 * rs6000.md: Correct function unit definitions for cr_logical and
4615 (sCOND): Additionally fail for sgt, slt, sge, sle if !TARGET_POWER
4616 and use portable method for >=0 and floating point >=. Remove
4617 associated matchers.
4619 2000-09-06 Mark Mitchell <mark@codesourcery.com>
4621 * extend.texi: Mark named return value extension as deprecated.
4623 2000-09-06 Geoff Keating <geoffk@cygnus.com>
4625 * config/rs6000/rs6000.c (rs6000_reverse_condition): Return
4628 2000-09-06 Gabriel Dos Reis <gdr@codesourcery.com>
4630 * toplev.c (display_help): Fix thinko in documentation.
4632 * diagnostic.h (output_buffer::indent_skip): New fields.
4633 (output_indentation): New macro.
4635 * diagnostic.c (output_indent): New function.
4636 (output_set_prefix, clear_diagnostic_info): Use.
4637 (output_emit_prefix): Predict future indentation.
4639 2000-09-06 DJ Delorie <dj@redhat.com>
4641 * Makefile.in (stage_*): add more dependencies to ensure parallel
4642 builds build correctly
4644 2000-09-06 Manfred Hollstein <manfredh@redhat.com>
4646 * Makefile.in (bootstrap-lean): Depend on bootstrap-lean_g,
4647 not bootstrap-lean_f.
4649 2000-09-06 Andreas Schwab <schwab@suse.de>
4651 * mklibgcc.in: Emit rule for libgcc-stage-start.
4652 * Makefile.in (stage1-start, stage2-start, stage3-start,
4653 stage4-start): Don't handle libgcc here, use libgcc.mk instead.
4655 2000-09-06 Bernd Schmidt <bernds@redhat.co.uk>
4657 * local-alloc.c (local_alloc): Ignore CLASS_LIKELY_SPILLED.
4658 (update_equiv_regs): Likewise, except for the mn10200 kludge.
4659 (combine_regs): Likewise.
4661 * Makefile.in (cse.o): Depend on $(BASIC_BLOCK_H).
4662 * cse.c: Include "basic-block.h".
4663 (struct table_elt): New field REGCOST.
4664 (CHEAP_REG): Delete macro.
4665 (COST): Return 0 for REGs.
4666 (approx_reg_cost_1, approx_reg_cost, preferrable): New functions.
4667 (notreg_cost): Return 0 for appropriate SUBREGs.
4668 (COSTS_N_INSNS): Return N * 2.
4669 (rtx_cost): Return 0 for REGs, and use cost of nested rtx for cheap
4671 (CHEAPER): Use new function preferrable.
4672 (insert): Initialize REGCOST member.
4673 (find_best_addr): Use approx_reg_cost for estimation of register
4675 (cse_insn): Likewise.
4676 * loop.c (iv_add_mult_cost): New function.
4677 (add_cost, shift_cost, mult_cost): Delete variables.
4678 (init_loop): Don't initialize add_cost; reduce copy_cost by half.
4679 (strength_reduce): Use iv_add_mult_cost instead of fixed add_cost.
4680 Make code that detects autoinc opportunities slightly less optimistic.
4681 (simplify_giv_expr): If expression contains other reg that is also a
4682 giv, only increment benefit if this is the only use of that reg.
4683 (consec_sets_giv): Take that change into account.
4684 (combine_givs): Slightly more verbose output.
4686 * i386.h (RTX_COSTS): For MULT, return true cost of multiplication,
4687 not the cost of an equivalent shift.
4688 * sh-protos.h (addsubcosts): Declare.
4689 * sh.c (addsubcosts): New function.
4690 * sh.h (CONST_COSTS): If CONST_OK_FOR_I, then return 0.
4691 (RTX_COSTS): Tweak. Use addsubcosts.
4692 (ADDRESS_COST): Return higher cost for reg+reg addressing.
4694 2000-09-06 Geoff Keating <geoffk@cygnus.com>
4696 * config/rs6000/rs6000.c (validate_condition_mode): New function.
4697 (branch_comparison_operator): Call validate_condition_mode to
4698 abort rather than returning 0.
4699 (branch_positive_comparison_operator): New function.
4700 (scc_comparison_operator): Call validate_condition_mode to abort
4701 rather than returning 0.
4702 (ccr_bit): Call validate_condition_mode. Update for
4704 (print_operand): Delete %C modifier. Update %E case
4705 to use EQ bit not SO bit.
4706 (rs6000_reverse_condition): New function.
4707 (rs6000_generate_compare): New function.
4708 (rs6000_emit_sCOND): New function.
4709 (rs6000_emit_cbranch): New function.
4710 (output_cbranch): The length of a long branch insn is
4711 now only 8 bytes. Add validate_condition_mode. Use
4712 rs6000_reverse_condition. Remove cror generation.
4714 * config/rs6000/rs6000.h: Update comments.
4715 (PREDICATE_CODES): Add new predicate. Update codes used
4716 by branch_comparison_operator and scc_comparison_operator.
4717 * config/rs6000/rs6000-protos.h: Add prototypes for
4718 new external functions.
4719 * config/rs6000/rs6000.md: Add new scheduling parameters
4720 for cr_logical instructions. Change length of branch
4722 (bCOND patterns): Call rs6000_emit_cbranch.
4723 (sCOND patterns): Call rs6000_emit_sCOND.
4724 (branch patterns): Change lengths to 4.
4725 (cr logical patterns): New.
4727 2000-09-06 Richard Henderson <rth@cygnus.com>
4729 * config/i386/i386.md (call_pop): Fix test for setting
4730 current_function_uses_pic_offset_table.
4731 (call, call_value_pop, call_value): Likewise.
4733 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
4735 * timevar.c (timevar_add): Delete.
4736 (timevar_get): Also count time since the selected timer was
4737 last updated. Do not examine the timevar stack if the
4738 selected timer is standalone.
4740 2000-09-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
4742 * gthr-dce.h (__gthread_objc_mutex_deallocate): Free mutex->backend.
4744 2000-09-05 Jason Merrill <jason@redhat.com>
4746 * c-decl.c (finish_incomplete_decl): Don't call complete_array_type
4747 for 'extern' arrays.
4749 2000-09-05 Richard Henderson <rth@cygnus.com>
4751 * config/ia64/lib1func.asm (__divtf3): Rebundle for Itanium.
4752 Eliminate final copy from non-trapping case.
4753 (__divdf3, __divsf3): Likewise.
4755 2000-09-05 Richard Henderson <rth@cygnus.com>
4757 * config/ia64/ia64.md (mulhi3): Fix typo last change.
4758 * config/ia64/lib1func.asm (__divdi3, __udivdi3, __umodsi3): Likewise.
4760 2000-09-03 Donn Terry <donn@interix.com>, Laurynas Biveinis <lauras@softhome.net>
4762 * Makefile.in: Restructure bootstrap stages to allow clean
4763 restart after failure.
4765 2000-09-05 Richard Henderson <rth@cygnus.com>
4767 * config/ia64.md (movsi and movdi patterns): Allow moves from
4768 8-bit constants to AR registers.
4770 2000-09-05 Richard Henderson <rth@cygnus.com>
4772 * config/ia64/ia64.md (mulhi3): New.
4774 2000-09-05 Richard Henderson <rth@cygnus.com>
4776 * config/ia64/ia64.h (INIT_TARGET_OPTABS): Remove.
4777 * config/ia64/lib1funcs.asm (__divdi3): Update from Intel IA-64
4778 Optimization Guide, minimum latency alternative.
4779 (__moddi3, __udivdi3, __umoddi3): Likewise.
4780 (__divsi3, __modsi3, __udivsi3, __umodsi3): Likewise.
4782 2000-09-05 Bruce Korb <bkorb@gnu.org>
4784 * fixinc/fixincl.c (load_file): always read header files
4785 with sizes that are a multiple of the page size.
4786 & use libiberty's getpagesize for determining that.
4788 2000-09-05 Alexandre Oliva <aoliva@redhat.com>
4790 * gcse.c (hash_string_1): Add prototype.
4791 * cse.c (canon_hash_string): Likewise.
4793 2000-09-04 Craig Newell <CraigN@ieee.org>
4795 * gcc.c: Undefine "__WCHAR_TYPE__" before redefining it.
4797 2000-09-04 Andreas Schwab <schwab@suse.de>
4799 * Makefile.in (STAGESTUFF): Remove libgcc.
4800 (stage1-start, stage2-start, stage3-start): Copy the contents of
4801 the libgcc directory explicitly.
4802 (mostlyclean): Clean libgcc.
4804 2000-09-04 Andrew Haley <aph@redhat.com>
4806 * dwarf2out.c: (stack_adjust_offset): New prototype.
4808 Wed Jan 1 00:23:59 MET 1997 Jan Hubicka <jh@suse.cz>
4810 * combine.c (make_extraction): Fix rtx_cost comparison to
4813 Wed Jan 1 00:17:32 MET 1997 Jan Hubicka <jh@suse.cz>
4815 * i386.md (pushsi2, pushhi2, pophi2, swapsf, swapdf,
4816 umulsi3_highpart, smulsi3_highpart, testqi_ccno_1, xorqi_ext_1):
4817 Add '*' to insn pattern name.
4819 2000-09-04 Jakub Jelinek <jakub@redhat.com>
4821 * cpplex.c (ON_REST_ARG): Check VAR_ARGS flag of current context,
4822 use posn - 1 to index into tokens array.
4823 (maybe_paste_with_next): Adjust caller.
4825 2000-09-03 Geoff Keating <geoffk@cygnus.com>
4827 * invoke.texi: Document the -mvxworks option for rs6000 ELF.
4829 * config/rs6000/rs6000.h: Update various comments about XER_REGNO.
4830 (REGNO_REG_CLASS): Use symbolic register
4833 2000-09-03 Richard Earnshaw <rearnsha@arm.com>
4835 * arm.c (final_prescan_insn): If the form of a jump insn isn't
4836 recognized, don't try to conditionally execute it.
4838 Sun Sep 3 13:10:56 2000 Denis Chertykov <denisc@overta.ru>
4840 * config/avr/avr.md ("*tablejump_lib"): New pattern.
4841 (call_value_insn): Right length claculation.
4842 (call_insn): Likewise.
4844 2000-09-02 Marek Michalkiewicz <marekm@linux.org.pl>
4846 * config/avr/avr-protos.h, config/avr/avr.c (unique_section,
4847 gas_output_limited_string, gas_output_ascii, output_movqi,
4848 output_movhi, out_movqi_r_mr, out_movqi_mr_r, out_movhi_r_mr,
4849 out_movhi_mr_r, out_movsi_r_mr, out_movsi_mr_r, output_movsisf,
4850 out_tstsi, out_tsthi, ret_cond_branch, ashlqi3_out, ashlhi3_out,
4851 ashlsi3_out, ashrqi3_out, ashrhi3_out, ashrsi3_out, lshrqi3_out,
4852 lshrhi3_out, lshrsi3_out, output_reload_inhi, output_reload_insisf,
4853 out_shift_with_cnt, ptrreg_to_str, cond_string, encode_section_info):
4854 Add "const" as needed to remove warnings.
4856 * config/avr/avr.c (avr_override_options, avr_init_once,
4857 function_prologue, function_epilogue, frame_pointer_required_p,
4858 class_likely_spilled_p, order_regs_for_local_alloc,
4859 avr_address_cost, avr_ret_register): Use K&R style arguments.
4860 (initial_elimination_offset, gas_output_limited_string):
4861 Remove ATTRIBUTE_UNUSED from the used arguments.
4862 (output_mov*, out_mov*_r_mr, out_mov*_mr_r, output_reload_insisf):
4863 Use local variables src, dest, base to access operands[].
4864 Rename reg_dest to reg_src if that's what it is.
4865 (output_movhi, output_movsisf): Optimize loading 8-bit immediate
4866 constants to LD_REGS if reg_was_0.
4867 (output_reload_insisf): Change arg 3 to insn length and set it.
4868 (out_movhi_r_mr, out_movhi_mr_r): Use in/out for more efficient
4869 access to 16-bit I/O register pairs.
4870 (avr_address_cost): Lower cost for the above case.
4871 (out_tsthi): Use "or" (faster) instead of "sbiw" if the operand
4872 may be clobbered, also for LD_REGS.
4873 (adjust_insn_length): Correct insn length for iorhi3 and iorsi3
4876 * config/avr/avr.h (PTRDIFF_TYPE): Make signed.
4878 * config/avr/avr.md: Change all uses of the TEST_HARD_REG_CLASS
4879 macro to test_hard_reg_class function.
4880 (*movsi, *movsf): Change "cc" attribute from "clobber" to "none"
4881 for loading immediate constants to LD_REGS.
4882 (andsi3, cmphi, cmpsi): Add return statements to avoid warnings.
4885 Sat Sep 2 13:58:23 2000 Marek Michalkiewicz <marekm@linux.org.pl>
4887 * config/avr/avr.md ("*negsi2"): substitute %@ to __zero_reg__
4888 * config/avr/libgcc.S: Lost part of the previous patch.
4890 2000-08-31 J. David Anglin <dave@hiauly1.hia.nrc.ca>
4892 * gthr-dce.h (__gthread_objc_mutex_allocate): Create a pthread_mutex_t
4893 object before calling pthread_mutex_init.
4895 2000-09-02 Alexandre Oliva <aoliva@redhat.com>
4897 * config/sh/t-elf, config/sh/crt1.asm, config/sh/crti.asm,
4898 config/sh/crtn.asm: New files.
4899 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Set.
4900 (crt1.o, crti.o, crtn.o): New targets.
4901 * configure.in [sh-*-elf*, sh-*-rtemself*] (tmake_file): Added
4903 * configure: Rebuilt.
4904 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
4905 STARTFILE_SPEC, ENDFILE_SPEC, CRT_CALL_STATIC_FUNCTION): Define.
4906 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
4907 Undefine for config/elfos.h to redefine.
4908 (STARTFILE_SPEC, ENDFILE_SPEC): Redefine after config/elfos.h.
4910 2000-09-02 Alexandre Oliva <aoliva@redhat.com>, Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
4912 * config/sh/sh-protos.h (nonpic_symbol_mentioned_p,
4913 legitimize_pic_address, output_pic_addr_const): Declare.
4914 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Fix PIC register.
4915 (PREFERGOT_BIT, TARGET_PREFERGOT): Likewise.
4916 (TARGET_SWITCHES): New switch -mprefergot.
4917 (OVERRIDE_OPTIONS): Set flag_no_function_cse unless -mprefergot.
4918 (PIC_OFFSET_TABLE_REGNUM): Define.
4919 (GOT_SYMBOL_TABLE): Likewise.
4920 (LEGITIMIZE_ADDRESS): Use legitimize_pic_address.
4921 (ENCODE_SECTION_INFO): Define.
4922 (FINALIZE_PIC): New macros.
4923 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST_P): New macro.
4924 (ASM_OUTPUT_INT, ASM_OUTPUT_SHORT): Use output_pic_addr_const.
4925 * config/sh/sh.c (print_operand_address): Use output_pic_addr_const.
4926 (prepare_move_operands): Call emit_pic_move or
4927 emit_pic_const_move if appropriate.
4928 (output_far_jump): For PIC, use braf and output long offset.
4929 (machine_dependent_reorg):
4930 (sh_expand_prologue): Save and initialize the PIC register.
4931 (sh_expand_epilogue): Restore it.
4932 (initial_elimination_offset): Account for it.
4933 (nonpic_symbol_mentioned_p): New function.
4934 (legitimize_pic_address): Likewise.
4935 (output_pic_addr_const): Likewise.
4936 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): New insns.
4937 (call, call_value): Use them.
4938 (GOTaddr2picreg, sym_label2reg, symGOT2reg, symGOTOFF2reg,
4939 symPLT_label2reg): New expands.
4940 * invoke.texi (SH Options): Document -mprefergot.
4942 2000-09-01 Alexandre Oliva <aoliva@redhat.com>
4944 * rtl.h (ASM_OPERANDS_INPUT_CONSTRAINT_EXP): New macro.
4945 * gcse.c (hash_string_1): New function.
4946 (hash_expr_1) <ASM_OPERANDS>: Disregard filename and line number.
4947 (expr_equiv_p) <ASM_OPERANDS>: Likewise.
4948 * cse.c (rtx_cost): Don't increase the cost of ASM_OPERANDS.
4949 (canon_hash_string): New function.
4950 (canon_hash) <ASM_OPERANDS>: Disregard filename and line number.
4951 (exp_equiv_p) <ASM_OPERANDS>: Likewise.
4952 (fold_rtx): Use ASM_OPERANDS accessor macros.
4953 * emit-rtl.c (copy_insn_1): Likewise.
4954 * integrate.c (copy_rtx_and_substitute): Likewise.
4955 * stmt.c (expand_asm_operands): Likewise. Give an
4956 ASM_OPERANDS rtx the mode of the output reg being set from it.
4958 2000-09-01 Fred Fish <fnf@be.com>
4960 * fix-header.c (write_rbrac): Add putc and getc to list of
4961 functions to protect against prior definition as a macro.
4963 2000-09-01 Joseph S. Myers <jsm28@cam.ac.uk>
4965 * c-common.h (enum c_tree_index): Add CTI_C_SIZE_TYPE.
4966 (c_size_type_node): Define.
4967 * c-decl.c (init_decl_processing): Initialize c_size_type_node.
4968 * c-common.c (enum format_lengths, enum format_std_version,
4969 format_length_info, format_type_detail, BADLEN, NOLENGTHS,
4970 format_kind_info, printf_length_specs, scanf_length_specs, T89_I,
4971 T99_I, T89_L, T99_LL, TEX_LL, T89_S, T89_UI, T99_UI, T89_UL,
4972 T99_ULL, TEX_ULL, T89_US, T89_F, T99_F, T89_D, T99_D, T89_LD,
4973 T99_LD, T89_C, T99_SC, T99_UC, T89_V, T94_W, TEX_W, T94_WI,
4974 TEX_WI, T99_ST, T99_SST, T99_PD, T99_UPD, T99_IM, T99_UIM,
4975 format_types): Define.
4976 (format_char_info, print_char_table, scan_char_table,
4977 time_char_table): Rearrange for new organization of information
4978 about format length modifiers and standard versions.
4979 (T_ST): Redefine to use c_size_type_node.
4980 (check_format_info): Obtain information about length modifiers and
4981 standard versions from tables. Adjust warning message wordings.
4982 Use the name from the user's program for `ll' and `hh' length
4983 modifiers in warning messages. Use more informative names for
4984 wanted types where available (for wchar_t, wint_t, size_t, signed
4985 size_t, ptrdiff_t, unsigned ptrdiff_t, intmax_t and uintmax_t).
4987 2000-09-01 Jim Wilson <wilson@cygnus.com>
4989 * calls.c (emit_call_1): Add REG_NORETURN note to call if ECF_NORETURN.
4990 * combine.c (distribute_notes): Handle REG_NORETURN.
4991 * rtl.c (reg_note_name): Add REG_NORETURN.
4992 * rtl.h (enum reg_note): Likewise.
4994 * config/ia64/ia64-protos.h (emit_safe_across_calls): Renamed from
4996 * config/ia64/ia64.c (emit_safe_across_calls): Likewise.
4997 (rtx_needs_barrier): Handle unspec_volatile 8 and 9.
4998 (emit_predicate_relation_info): Handle conditional calls with
5000 * config/ia64/ia64.h (ASM_FILE_START): Call emit_safe_across_calls
5001 instead of ia64_file_start.
5002 * config/ia64/sysv4.h (ASM_FILE_START): Likewise.
5003 * config/ia64/ia64.md (safe_across_calls_all,
5004 save_across_calls_normal): New patterns.
5006 * loop.c (check_final_value): Check for biv use before checking for
5007 giv use. Check for both biv and giv uses. Always set last_giv_use
5008 if there is a giv use.
5010 2000-09-01 Richard Henderson <rth@cygnus.com>
5012 * config/ia64/ia64.md (mulsi3): Use grfr_register_operand.
5013 (madddi3): Likewise.
5016 Fri Sep 1 10:59:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5018 * expr.c (clear_storage): Don't use emit_move_insn unless
5019 either BLKmode or proper size.
5020 (store_constructor): Don't call clear_storage if REG of wrong size.
5022 * flow.c (init_propagate_block_info): Don't mark frame dead at end
5023 of function if returns wiht stack pointer depressed.
5025 2000-09-01 Andrew Haley <aph@redhat.com>
5027 * dwarf2out.c (stack_adjust_offset): New function.
5028 (dwarf2out_stack_adjust): Break out stack adjust logic into
5029 new stack_adjust_offset function. Look inside parallels and
5030 sequences for stack adjustments.
5032 2000-08-31 Jeff Law <law@cygnus.com>
5034 * arm.md: Use no_new_pseudos to determine when it is safe
5035 to create new pseudo registers.
5037 * arm.c (legitimize_pic_address): Use no_new_pseudos to determine
5038 when we can safely allocate new registers.
5040 2000-08-31 Geoffrey Keating <geoffk@cygnus.com>
5042 * stmt.c (expand_asm_operands): Twiddle generating_concat_p
5043 so that CONCATs are not generated for ASMs.
5044 * emit-rtl.c (gen_reg_rtx): Don't generate CONCATs when
5045 not generating_concat_p.
5046 * function.c (pop_function_context_from): Reset
5047 generating_concat_p.
5048 (prepare_function_start): Likewise.
5049 * rtl.c (generating_concat_p): Define.
5050 * rtl.h (generating_concat_p): Declare.
5051 * toplev.c (rest_of_compilation): No CONCATs after RTL generation.
5053 2000-08-22 Philipp Thomas <pthomas@suse.de>
5054 Masanobu Yuhara <yuhara@flab.fujitsu.co.jp>
5056 * gmicro.h (TARGET_SWITCHES): Add descriptions and mark them
5059 2000-08-30 Greg McGary <greg@mcgary.org>
5061 * Makefile.in (fixinc.sh): Pass CC, CFLAGS and LDFLAGS to mkfixinc.sh
5062 * fixinc/Makefile.in (fixincl): Pass $(LDFLAGS) to $(CC).
5063 * fixinc/mkfixinc.sh: Pass $CC, $CFLAGS and $LDFLAGS to $MAKE.
5065 2000-08-30 Greg McGary <greg@mcgary.org>
5067 * tree.h (struct tree_int_cst): Wrap low and high in a sub-struct.
5068 (TREE_INT_CST_LOW, TREE_INT_CST_HIGH): Access through sub-struct.
5069 (TREE_INT_CST): New macro.
5070 * varasm.c (const_hash, compare_constant_1, record_constant_1):
5071 Use new macro TREE_INT_CST.
5073 Wed 30-Aug-2000 23:18:59 BST Neil Booth <NeilB@earthling.net>
5075 * contrib.texi: Add self.
5077 2000-08-30 Alexandre Oliva <aoliva@redhat.com>
5079 * config/sh/sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): New insns.
5080 (cmpeqdi_t splitter): Use cmpeqsi_and_t instead of emitting jumps
5083 2000-08-30 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5085 * fixinc/gnu-regex.c: Don't define `const'.
5087 Tue Aug 29 22:09:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5089 * expr.c (store_constructor): Allow variable bounds of array type.
5090 (expand_expr): Don't blow up if type is ERROR_MARK.
5091 * varasm.c (output_constructor): Don't access lower bound of array
5092 type unless need it if index is supplied (so it can be a variable
5093 if no index is supplied).
5094 Use tree_low_cst; use HOST_WIDE_INT for sizes; change BITPOS to POS.
5095 Other minor cleanups.
5097 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5099 * Makefile.in: Revamp handling of cflags to allow different WARN_CFLAGS
5100 for compilations in stage 1 and subsequent stages, respectively.
5101 * configure.in (vax): Add compiler-dependent CFLAGS for stage 1.
5102 * configure: Rebuilt.
5103 * x-vax, x-vax-gcc: Deleted.
5105 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
5107 * c-common.c (declare_function_name): Use func_id_node,
5108 function_id_node, and pretty_function_id_node. Do not make
5109 __func__ visible at file scope.
5110 * c-common.h (c_tree_index): Add CTI_FUNCTION_ID,
5111 CTI_PRETTY_FUNCTION_ID, and CTI_FUNC_ID.
5112 (function_id_node, pretty_function_id_node, func_id_node): New
5114 * c-decl.c (init_decl_processing): Initialize function_id_node,
5115 pretty_function_id_node, and func_id_node.
5116 (c_make_fname_decl): Correct comment.
5118 * tree.h (struct tree_identifier): Constify pointer member.
5120 * c-decl.c (pushdecl, implicit_decl_warning): Constify a char *.
5121 * c-pragma.h (struct weak_syms): Constify name and value members.
5122 (add_weak): Constify arguments.
5124 * calls.c (special_function_p): Constify a char *.
5125 (expand_call): Remove variable which is initialized and then
5127 * dependence.c (struct def_use, struct induction, struct subscript):
5128 Constify 'variable' member.
5129 (get_low_bound, have_induction_variable): Constify char * argument.
5130 (find_induction_variable): Add braces to avoid dangling else.
5131 (classify_dependence): Constify char * arrays.
5132 * profile.c (output_func_start_profiler): Constify a char *.
5133 * stor-layout.c (finalize_record_size): Constify a char *.
5134 * tree.c (is_attribute_p): Constify a char *.
5135 * varasm.c (add_weak, remove_from_pending_weak_list): Constify argument.
5137 * varasm.c (make_function_rtl, make_decl_rtl): Rearrange code
5138 for comprehensibility. Do not call get_identifier if we did
5139 not change the DECL_ASSEMBLER_NAME of the decl. Use alloca to
5140 create temporary string constants, not ggc_alloc_string. No
5141 need to copy result of ASM_FORMAT_PRIVATE_NAME. Use const
5142 char * to hold IDENTIFIER_POINTERs.
5144 2000-08-29 Richard Henderson <rth@cygnus.com>
5146 * config/ia64/ia64.md (muldi3): Use grfr_register_operand
5149 2000-08-29 Richard Henderson <rth@cygnus.com>
5151 * reload.c (push_secondary_reload): Allow class == reload_class
5152 if we're using a reload_in/out pattern.
5154 * config/ia64/ia64.md (reload_inti): Use a TImode scratch. Use
5155 the half that does not conflict with the reload register.
5156 (reload_outti): Likewise.
5158 2000-08-29 Kazu Hirata <kazu@hxi.com>
5160 * reload.c: Fix formatting.
5162 * stmt.c: Fix formatting.
5164 * gcc.c: Fix formatting.
5166 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
5168 * flags.h (time_report, mem_report): New global flags.
5169 * toplev.c: Define time_report and mem_report.
5170 (f_options): Add -ftime-report and -fmem-report.
5171 (compile_file): Turn on time_report if quiet_flag is off.
5172 Call ggc_print_statistics at very end if mem_report is on.
5173 * timevar.c (TIMEVAR_ENABLE): Examine time_report, not quiet_flag.
5175 * ggc-common.c (ggc_print_statistics): Rename to
5176 ggc_print_common_statistics; all callers changed. Scale
5177 quantities above 10K to kilobytes and above 10M to megabytes.
5178 * ggc-page.c (ggc_page_print_statistics): Rename to
5179 ggc_print_statistics. Report memory consumed by internal data
5180 structures for each allocation bucket. Scale quantities above
5181 10K to kilobytes and above 10M to megabytes.
5182 * ggc-simple.c: Prototype debug_ggc_tree to avoid warning.
5183 Cast PTR_KEY(p) to unsigned long in fprintf call to avoid warning.
5184 Define tally_leaves always.
5185 (ggc_print_statistics): New function.
5186 * ggc.h: Adjust for renamed functions.
5188 Wed Aug 30 00:11:42 2000 Denis Chertykov <denisc@overta.ru>
5190 * config/avr/avr.md ("*movsf","*movsi"): Pass NULL to
5191 output_movsisf instead of which_alternative.
5193 * config/avr/avr.c (output_reload_inhi): Check for NULL ponter.
5195 Tue Aug 29 22:29:58 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
5197 * config/avr/avr-protos.h: (avr_output_ascii) Removed.
5198 (avr_progmem_p): New prototype.
5199 (output_movsisf): Prototype declaration changed.
5200 (output_movqi): New prototype.
5201 (output_movhi): New prototype.
5202 (call_insn_operand): Likewise.
5203 (final_prescan_insn): Likewise.
5204 (avr_simplify_comparision_p): Likewise.
5205 (avr_normalize_condition): Likewise.
5206 (compare_eq_p): Likewise.
5207 (out_shift_with_cnt): Likewise.
5208 (const_int_pow2_p): Likewise.
5209 (output_reload_inhi): Prototype declaration changed.
5211 * config/avr/avr.c: (debug_hard_reg_set): Prototype declared.
5212 (ldi_reg_rtx): New. rtx for r31.
5213 (avr_init_stack): Initialize as "__stack".
5214 (function_prologue): Use it.
5215 Replace all TARGET_ENHANCED with AVR_ENHANCED.
5216 (avr_mcu_name): Initialize as "avr2".
5217 (avr_enhanced_p, avr_mega_p): New variables.
5218 (mcu_types, avr_override_options): Handle all known MCU types.
5219 Also handle avr1 (only preprocess, assemble and link).
5220 (print_operand): Using of `%K' in output template removed.
5221 (out_movqi_r_mr): Optimized.
5222 (out_movhi_r_mr): Likewise.
5223 (output_movqi): New function.
5224 (output_movhi): Likewise.
5225 (out_movsi_r_mr): Optimized.
5226 (output_movsisf): Compute insn length for `adjust_insn_length'
5227 (out_movqi_mr_r): Optimized.
5228 (out_movhi_mr_r): Optimized.
5229 (adjust_insn_length): Use output_movsisf, output_movqi,
5230 output_movhi for insn length adjusting.
5231 (reg_unused_after): Use dead_or_set_p.
5232 (preferred_reload_class): Now havn't any restriction.
5233 (reg_was_0): New function.
5234 (io_address_p): Likewise.
5235 (const_int_pow2_p): Likewise.
5236 (output_reload_inhi): Likewise.
5237 (output_reload_insisf): Likewise.
5239 * config/avr/avr.h (MULTILIB_DEFAULTS): Define.
5240 (LIB_SPEC): Use -lc for all supported devices.
5241 (LIBGCC_SPEC): Use -lgcc for all supported devices.
5242 (AVR_MEGA): Define as avr_mega_p.
5243 (AVR_ENHANCED): New, define as avr_enhanced_p.
5244 (TARGET_SWITCHES): Remove -menhanced, now handled by -mmcu=...
5245 (CPP_SPEC, LINK_SPEC): Handle all known MCU types.
5246 (CRT_BINUTILS_SPECS): Handle all known MCU types.
5247 Rename gcrt1-*.o to make file names unique on 8.3 filesystems.
5248 (EXTRA_SPECS): Add CPP_AVR[1-5]_SPEC.
5249 (ASM_SPEC): Pass -mmcu=... to the assembler.
5250 Change all -DAVR_* to -D__AVR_*__.
5251 (INIT_TARGET_OPTABS), config/avr/libgcc.S:
5252 Rename library functions to start with two underscores.
5253 (ASM_OUTPUT_COMMON): Outputs `.comm VAR,VAR-SIZE,1' to avoid
5255 (ASM_WEAKEN_LABEL): Declared for __attribute__((weak)).
5256 (SUPPORTS_WEAK): Likewise.
5257 (LDI_REG_REGNO): New. Register r31 will be used as temporary
5258 register for loading constants to r0-r14.
5260 * config/avr/avr.md: Replace all TARGET_ENHANCED with
5262 (*mov_r_sp): Removed. Handled by output_movhi.
5263 (*mov_sp_r): Likewise.
5264 (*mov_sp_r_no_interrupts): Likewise
5265 (*mov_sp_r_tiny): Likewise.
5266 (*movqi): Use output_movqi.
5267 (*reload_inqi): New.
5268 (*movhi): Use output_movhi.
5269 (*reload_inhi): New.
5270 (*negsi2): Optimized.
5271 (*negsf2): Likewise.
5272 Added peepholes (define_peephole2) for loading constants to r0-r14
5273 and for using `cpse' command.
5275 * config/avr/libgcc.S: Rename library functions to start with two
5277 Add support for enhanced core.
5278 (_moqhi3): Fix typo, now _modqi3.
5279 (__divsi_raw): Use __zero_reg__ as loop counter, smaller by 1 word.
5280 (__prologue_saves__): Remove test for stack adjust by 0.
5281 (__tablejump__): New.
5283 * config/avr/t-avr: Build libgcc2 with -mcall-prologues.
5284 Add multilib support.
5286 Tue Aug 29 15:17:54 EDT 2000 John Wehle (john@feith.com)
5288 * loop.c (prescan_loop): Don't check unknown_address_altered
5289 when deciding if insert_loop_mem is safe. Add BLKmode MEMs
5290 to loop_store_mems as necessary.
5291 (loop_invariant_p): Don't check unknown_address_altered
5292 or unknown_constant_address_altered.
5294 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5296 * vax.md (sltu, sgeu): Delete sltu and sgeu insn patterns.
5298 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
5300 * cpperror.c (print_file_and_line): If line is (unsigned int)-1,
5301 print just the filename.
5302 * cpplex.c (_cpp_run_directive): Add additional argument, the
5303 name to give the synthetic buffer. This defaults to
5304 translated "<command line>".
5305 * cpplib.c (cpp_define, cpp_undef, cpp_assert, cpp_unassert):
5307 (_cpp_define_builtin): New function.
5308 * cppinit.c (initialize_builtins): Use _cpp_define_builtin.
5309 * cpphash.h: Update prototypes.
5311 * tradcpp.c (main): Process -D and -U simultaneously, in the
5312 order they appeared on the command line.
5314 2000-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5316 * c-decl.c (define_label): Call warning_with_file_and_line and
5317 error_with_file_and_line instead of plain warning or error.
5319 * c-parse.in (label): Use save_filename/save_lineno to ensure
5320 correct values for calls to define_label.
5322 2000-08-29 Mark Mitchell <mark@codesourcery.com>
5324 * calls.c (expand_call): Don't create a VAR_DECL just to throw it
5326 * expr.c (expand_expr, case TARGET_EXPR): Don't call
5328 * tree.h (get_file_function_name): Remove two duplicate
5331 2000-08-28 Kazu Hirata <kazu@hxi.com>
5333 * tree.c: Fix formatting.
5335 * xcoffout.c: Fix formatting.
5337 2000-08-28 Jason Merrill <jason@redhat.com>
5339 * dwarf2out.c (attr_checksum): Also ignore DW_AT_producer.
5341 2000-08-28 Daniel Berlin <dberlin@redhat.com>
5343 * dwarf2out.c (dwarf2out_finish): Don't bother calling
5344 break_out_includes if it won't do anything.
5346 2000-08-28 Richard Henderson <rth@cygnus.com>
5348 * reload.c (push_secondary_reload): Revert 2000-08-16 change.
5349 (find_reloads): Likewise.
5350 * config/alpha/alpha.md (reload_inqi): Revert 2000-08-11 change.
5351 (reload_inhi): Likewise.
5353 2000-08-28 Richard Henderson <rth@cygnus.com>
5355 * config/i386/i386.c: Don't error on EXTRA_CONSTRAINT defined.
5356 (call_insn_operand): Don't expect a surrounding mem.
5357 (constant_call_address_operand): Likewise.
5358 * config/i386/i386.h (PREDICATE_CODES): Update.
5359 * config/i386/i386.md (call patterns): Move the match_operand
5360 for the call destination inside the mem.
5362 2000-08-28 Richard Henderson <rth@cygnus.com>
5364 * local-alloc.c (requires_inout): Don't use reserved range for
5365 EXTRA_CONSTRAINTS; use anything not matched by REG_CLASS_FROM_LETTER.
5366 * recog.c (asm_operand_ok): Likewise.
5367 (preprocess_constraints, constrain_operands): Likewise.
5368 * regclass.c (record_reg_classes): Likewise.
5369 * reload.c (find_reloads): Likewise.
5370 * reload1.c (maybe_fix_stack_asms): Likewise.
5371 (reload_cse_simplify_operands): Likewise.
5372 * stmt.c (expand_asm_operands): Likewise.
5374 * md.texi: Update constraints documentation.
5375 * tm.texi (EXTRA_CONSTRAINT): Update.
5377 2000-08-28 Daniel Berlin <dberlin@redhat.com>
5379 * dwarf2out.c (DIE_LABEL_PREFIX): Remove leading "__".
5380 (print_die): If we don't know the offset of the
5381 target die, try the symbol. Add a trailing newline.
5382 (reverse_all_dies): New fn.
5383 (dwarf2out_finish): Call it.
5384 (break_out_includes): Reorganize for clarity.
5385 (add_sibling_attributes): Don't call reverse_die_lists.
5386 (output_comp_unit): Rename from output_comdat_comp_unit. Use for
5388 * flags.h: Add flag_eliminate_dwarf2_dups.
5389 * toplev.c (f_options): Support -feliminate-dwarf2-dups.
5391 2000-08-28 Jason Merrill <jason@redhat.com>
5393 * dwarf2.h (DW_TAG_GNU_BINCL, DW_TAG_GNU_EINCL): New tags.
5394 * dwarf2out.c: #include "md5.h".
5395 (DIE_LABEL_PREFIX): New macro.
5396 (dw_val_struct): Add 'external' flag to val_die_ref.
5397 (add_AT_die_ref, AT_ref): Adjust.
5398 (AT_ref_external, set_AT_ref_external): New fns.
5399 (build_abbrev_table): Call set_AT_ref_external.
5400 (value_format): Call AT_ref_external.
5401 (die_struct): Add die_symbol field.
5402 (new_die): Clear it.
5403 (dwarf_tag_name): Handle BINCL/EINCL.
5404 (dwarf2out_start_source_file): Add BINCL DIE.
5405 (dwarf2out_end_source_file): Add EINCL DIE.
5406 (push_new_compile_unit, pop_compile_unit, clear_die_sizes): New fns.
5407 (loc_checksum, attr_checksum, die_checksum): New fns.
5408 (is_type_die, is_comdat_die, is_symbol_die): New fns.
5409 (compute_section_prefix, assign_symbol_names): New fns.
5410 (gen_internal_sym, output_die_symbol, output_symbolic_ref): New fns.
5411 (output_die): Call output_die_symbol and AT_ref_external.
5412 (output_comdat_comp_unit): New fn, split out from...
5413 (dwarf2out_finish): ...here. Also call add_sibling_attributes for
5415 (output_pubnames, output_aranges): Abort if we see entries from
5417 * toplev.h: Declare file_name_nondirectory.
5418 * toplev.c (file_name_nondirectory): New fn, moved from C++ frontend.
5419 (rest_of_type_compilation): Call dwarf2out_decl if at toplevel.
5420 (debug_start_source_file): Call dwarf2out_start_source_file
5421 regardless of debug verbosity.
5422 (debug_end_source_file): Similarly.
5423 * tree.h: Declare clean_symbol_name.
5424 * tree.c (clean_symbol_name): Split out from...
5425 (get_file_function_name_long): ...here.
5427 * dwarf2out.c (new_loc_descr): Use calloc.
5428 (splice_child_die): Remove the die from the right parent.
5429 (gen_struct_or_union_die): Don't add AT_name to a specification DIE.
5431 Mon Aug 28 19:02:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5433 * toplev.c (decode_g_option): Don't give warning for unknown -g
5434 option; return 0 instead.
5435 (main): If -g option is not recognized by front end or
5436 language-independent code, give warning.
5438 2000-08-28 Greg McGary <greg@mcgary.org>
5440 * config/i386/i386-protos.h (ix86_expand_compare): Add extern decl.
5441 * config/i386/i386.c (ix86_expand_compare): Remove `static'.
5442 * config/i386/i386.md (trap, conditional_trap): New insn & expand.
5444 2000-08-27 Greg McGary <greg@mcgary.org>
5446 * cpplex.c (parse_string): Don't look for backslash
5447 before first char in `namebuf'.
5448 * loop.c (strength_reduce): Skip NOTEs.
5450 2000-08-27 Jason Merrill <jason@redhat.com>
5452 * c-decl.c (duplicate_decls): Don't set TREE_STATIC or clear
5453 DECL_EXTERNAL on a local extern. Don't set DECL_IGNORED_P or
5454 TREE_ASM_WRITTEN, either.
5455 (finish_decl): Adjust.
5457 2000-08-28 Philipp Thomas <pthomas@suse.de>
5459 * ABOUT-GCC-NLS: Remove gettext patches from Paul Eggert as
5460 they have been incorporated into the gettext CVS. Change the text to
5461 reflect the current status of NLS. Add instructions for accessing
5462 the gettext CVS and add the patch from Martin v. Loewis.
5464 2000-08-27 Geoff Keating <geoffk@cygnus.com>
5466 * config/rs6000/rs6000.md (movdi_internal64+5): Make SUBREG-safe
5467 by using gen_lowpart_common.
5468 (movdi_internal64+6): Likewise.
5470 2000-08-26 Alexandre Oliva <aoliva@redhat.com>
5472 * tm.texi (FINI_SECTION_ASM_OP, CRT_CALL_STATIC_FUNCTION):
5475 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Remap register
5476 numbers to the ranges used by GDB.
5478 2000-08-25 Richard Henderson <rth@cygnus.com>
5480 * config/ia64/ia64.h (struct machine_function): Add n_varargs.
5481 * config/ia64/ia64.c (ia64_compute_frame_size): Use it.
5482 (ia64_expand_prologue): Likewise.
5483 (ia64_setup_incoming_varargs): Set it. Properly skip the current
5484 argument for stdargs.
5486 2000-08-25 Jason Merrill <jason@redhat.com>
5488 * integrate.c (expand_inline_function): Pull out the original decl.
5490 2000-08-25 Jim Wilson <wilson@cygnus.com>
5492 * cse.c (cse_insn): Don't pass label subtraction to force_const_mem.
5494 * function.c (gen_mem_addressof): Clear MEM_ALIAS_SET if no decl.
5496 2000-08-25 Greg McGary <greg@mcgary.org>
5498 * flow.c (dump_edge_info): Use ARRAY_SIZE.
5499 * config/alpha/alpha.c (alpha_expand_block_move): Likewise.
5501 2000-08-25 Richard Earnshaw <rearnsha@arm.com>
5503 * arm.h (STRUCT_VALUE): Define to 0, not NULL.
5505 Fri Aug 25 12:52:49 EDT 2000 John Wehle (john@feith.com)
5507 * i386.c (ix86_find_base_term): New.
5508 * i386-protos.h (ix86_find_base_term): Prototype.
5509 * i386.h (FIND_BASE_TERM): Define.
5510 * alias.c (find_base_term): Use it.
5511 * tm.texi (FIND_BASE_TERM): Document it.
5513 * alias.c (true_dependence, write_dependence_p): Unchanging
5514 memory can't conflict with non-unchanging memory.
5516 * alias.c (memrefs_conflict_p): A BLKmode reference
5517 to a symbol (or CONST_INT address) always conflicts
5518 with a reference to another symbol.
5520 2000-08-25 Joseph S. Myers <jsm28@cam.ac.uk>
5522 * c-common.c (time_char_table): Don't allow width and flags with
5525 2000-08-25 Jakub Jelinek <jakub@redhat.com>
5527 * config/i386/i386.c (ix86_expand_branch): Treat GE and GEU the same
5528 way as LT and LTU when the second operand has 0 in low word.
5530 2000-08-26 Michael Hayes <mhayes@cygnus.com>
5532 * basic-block.h (struct loop): Rename `exits' field to
5533 `exit_edges'. Add `entry_edges' and `num_entries' fields.
5535 * flow.c (flow_loop_exit_edges_find): Rename from flow_loop_exits_find.
5536 (flow_loop_entry_edges_find): Add.
5537 (flow_edge_list_print): Rename from flow_exits_print.
5538 (flow_loops_find): Call flow_loop_entry_edges_find.
5539 (flow_loop_dump): Dump entry_edges list.
5540 (flow_loops_free): Free entry_edges.
5542 2000-08-26 Michael Hayes <mhayes@cygnus.com>
5544 * loop.c (loop_dump_aux, debug_loop): New functions.
5545 (LOOP_BLOCK_NUM_1, LOOP_BLOCK_NUM, LOOP_INSN_UID): New macros.
5547 * flow.c (flow_loops_dump): Add callback parameter.
5548 (flow_loop_dump): Add callback parameter and call it. Move
5549 loop note debugging code to loop_dump_aux.
5551 * basic-block.h (flow_loop_dump): Add callback parameter
5552 (flow_loops_dump): Likewise.
5554 * toplev.c (rest_of_compilation): Add NULL callback function pointer
5555 to call to flow_loops_dump.
5557 2000-08-26 Michael Hayes <mhayes@cygnus.com>
5559 * loop.c (count_loop_regs_set): Replace start and end arguments
5560 with loop argument. All callers udated.
5562 2000-08-26 Michael Hayes <mhayes@cygnus.com>
5564 * loop.c (constant_high_bytes): Delete.
5566 2000-08-26 Michael Hayes <mhayes@cygnus.com>
5568 * loop.c (prescan_loop): Move checks for NOTE_INSN_LOOP_CONT
5569 and NOTE_INSN_LOOP_VTOP to...
5570 (find_and_verify_loops) ...here.
5572 Fri Aug 25 04:21:13 2000 Alexandre Oliva <aoliva@redhat.com>
5574 * crtstuff.c (CRT_CALL_STATIC_FUNCTION): Define default.
5575 (fini_dummy, init_dummy): Use it.
5577 Fri 25-Aug-2000 08:03:27 BST Neil Booth <NeilB@earthling.net>
5579 * cpplex.c (is_macro_disabled): Caller has already checked
5580 that we're not a preprocessed file.
5582 2000-08-24 Mark Mitchell <mark@codesourcery.com>
5584 * Makefile.in (C_AND_OBJC_OBJS): Remove c-iterate.o.
5585 (c-iterate.o): Remove target.
5586 * gcc/c-common.h (enum rid): Remove RID_ITERATOR.
5587 * gcc/c-decl.c (init_decl_processing): Remove call to init_iterators.
5588 (finish_decl): Don't handle iterators.
5589 (grokdeclarator): Likewise.
5590 * gcc/c-parse.gperf: Remove __iterator and __iterator__ keywords.
5591 * gcc/c-gperf.h: Regenerated.
5592 * gcc/c-iterate.c: Removed.
5593 * gcc/c-lex.c (init_lex): Don't handle iterators.
5594 * gcc/c-parse.in (primary): Remove pop_iterator_stack call.
5595 (compstmt_primary_start): Remove push_iterator_stack call.
5596 (stmt): Don't allow iterator statements. Replace iterator_expand
5597 with expand_expr_stmt.
5598 (all_iter_stmt): Remove.
5599 (all_iter_stmt_simple): Likewise.
5600 (all_iter_stmt_with_decl): Likewise.
5601 * gcc/c-tree.h (ITERATOR_P): Remove.
5602 (ITERATOR_BOUND_P): Likewise.
5603 (init_iterators): Remove declaration.
5604 (iterator_expand): Likewise.
5605 (iterator_for_loop_start): Likewise.
5606 (iterator_for_loop_end): Likewise.
5607 (iterator_for_loop_record): Likewise.
5608 (push_iterator_stack): Likewise.
5609 (pop_iterator_stack): Likewise.
5610 * gcc/c-typeck.c (decl_constant_value): Don't check ITERATOR_P.
5611 (readonly_warning): Likewise.
5612 * gcc/tree.h (ITERATOR_BOUND_P): Don't mention it.
5614 2000-08-24 Jim Wilson <wilson@cygnus.com>
5616 * c-common.c (decl_attributes, case A_ALIGN): Revert last change.
5617 Copy type in a TYPE_DECL, just like pushdecl does.
5619 2000-08-24 Richard Henderson <rth@cygnus.com>
5621 * toplev.c (main): Enable flag_reorder_blocks at -O2.
5623 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
5625 * ggc-page.c (alloc_page): If HAVE_MMAP_ANYWHERE and we're
5626 asked for one page, allocate GGC_QUIRE_SIZE of them and put
5627 the extras on the free list.
5628 (release_pages): Clean up.
5629 (ggc_set_mark): Don't adjust G.allocated here...
5630 (sweep_pages): ... do it here.
5632 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
5634 * cppfiles.c (read_include_file): Rearrange initializations.
5636 2000-08-24 Richard Henderson <rth@cygnus.com>
5638 * stmt.c (expand_asm_operands): Treat EXTRA_CONSTRAINT like g or X.
5640 * config/ia64/ia64-protos.h: Update.
5641 * config/ia64/ia64.c (gr_register_operand): New.
5642 (fr_register_operand, grfr_register_operand): New.
5643 (gr_nonimmediate_operand, grfr_nonimmediate_operand): New.
5644 (grfr_reg_or_8bit_operand): New.
5645 (gr_reg_or_0_operand): Rename from reg_or_0_operand and
5646 use gr_register_operand.
5647 (gr_reg_or_5bit_operand, gr_reg_or_6bit_operand): Likewise.
5648 (gr_reg_or_8bit_operand, gr_reg_or_8bit_adjusted_operand): Likewise.
5649 (gr_reg_or_8bit_and_adjusted_operand): Likewise.
5650 (gr_reg_or_14bit_operand, gr_reg_or_22bit_operand): Likewise.
5651 (fr_reg_or_fp01_operand): Likewise.
5652 (not_postinc_memory_operand): New.
5653 (ia64_split_timode): Remove unused variables.
5654 (rtx_needs_barrier): Check arguments to cmpxchg.
5655 (builtin_description): Remove.
5656 (bdesc_2argsi, bdesc_2argdi): Remove.
5657 (ia64_init_builtins): Declare all builtins directly.
5658 (ia64_expand_fetch_and_op): Rewrite to be called from
5659 ia64_expand_builtin directly. Use expand_binop and co.
5660 (ia64_expand_op_and_fetch): Likewise.
5661 (ia64_expand_compare_and_swap): Likewise.
5662 (ia64_expand_binop_builtin): Remove.
5663 (ia64_expand_lock_test_and_set): New.
5664 (ia64_expand_lock_release): New.
5665 (ia64_expand_builtin): Use them.
5666 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_S): New.
5667 (EXTRA_CONSTRAINT): Use it.
5668 (PREDICATE_CODES): Update.
5669 * config/ia64/ia64.md (*): Use gr_register_operand and co.
5670 (mf): Indicate that we set memory as well as use it.
5671 (fetchadd_acq_si): Show memory being modified as well.
5672 (fetchadd_acq_di, cmpxchg_acq_si, cmpxchg_acq_di): Likewise.
5673 (val_compare_and_swap_si, val_compare_and_swap_di): Remove.
5674 (lock_test_and_set_si, lock_test_and_set_di): Remove.
5675 (fetch_and_add_si, fetch_and_sub_si, fetch_and_or_si): Remove.
5676 (fetch_and_and_si, fetch_and_xor_si, fetch_and_nand_si): Remove.
5677 (fetch_and_add_di, fetch_and_sub_di, fetch_and_or_di): Remove.
5678 (fetch_and_and_di, fetch_and_xor_di, fetch_and_nand_di): Remove.
5679 (add_and_fetch_di, sub_and_fetch_di, or_and_fetch_di): Remove.
5680 (and_and_fetch_di, xor_and_fetch_di, nand_and_fetch_di): Remove.
5681 (add_and_fetch_si, sub_and_fetch_si, or_and_fetch_si): Remove.
5682 (and_and_fetch_si, xor_and_fetch_si, nand_and_fetch_si): Remove.
5683 * config/ia64/ia64intrin.h (*): Cast result to the appropriate
5684 return type. Pretty print definitions.
5686 2000-08-24 Jim Wilson <wilson@cygnus.com>
5688 * config/ia64/ia64.md (movdi): Don't call gen_movdi_symbolic if
5689 we have a SYMBOL_REF with SYMBOL_REF_FLAG set.
5691 2000-08-24 Jason Merrill <jason@redhat.com>
5693 * dwarf2out.c (AT_flag, AT_int, AT_unsigned, AT_string, AT_ref,
5694 AT_loc, AT_addr, AT_lbl): Abort on unsuitable input.
5695 (get_AT_low_pc, get_AT_hi_pc, get_AT_string, get_AT_flag,
5696 get_AT_unsigned, get_AT_ref): Don't call them if get_AT fails.
5698 2000-08-24 Greg McGary <greg@mcgary.org>
5700 * optabs.c (init_optabs): Initialize fixtab, fixtrunctab, floattab,
5701 and extendtab within their proper array boundaries.
5702 * emit-rtl.c (init_emit_once): Pass `const_tiny_rtx' with bounds
5703 for the entire array.
5705 * config/arm/arm.c (arm_override_options): Use ARRAY_SIZE.
5706 * config/alpha/alpha.c (alpha_lookup_xfloating_lib_func): Likewise.
5707 * config/avr/avr.c (order_regs_for_local_alloc): Likewise.
5708 * config/fr30/fr30.c (fr30_print_operand): Likewise.
5709 * config/i386/dgux.c (output_options): Likewise.
5710 * config/i386/dgux.h (ASM_FILE_START): Likewise.
5711 * config/m88k/m88k.c (output_options): Likewise.
5712 * config/m88k/m88k.h (ASM_FILE_START): Likewise.
5713 * config/mcore/mcore.c (mcore_output_inline_const_forced,
5714 layout_mcore_frame, handle_structs_in_regs): Likewise.
5715 * config/mips/mips.c (output_block_move): Likewise.
5716 * config/rs6000/rs6000.c (rs6000_override_options,
5717 rs6000_file_start): Likewise.
5718 * config/sparc/sparc.c (sparc_add_gc_roots): Likewise.
5719 * fixinc/fixfixes.c (FIX_TABLE_CT): Likewise.
5720 * fixinc/fixtests.c (TEST_TABLE_CT): Likewise.
5721 * builtins.c (expand_builtin_setjmp): Likewise.
5722 * expr.c (safe_from_p): Likewise.
5723 * flow.c (life_analysis): Likewise.
5724 * fold-const.c (size_int_type_wide): Likewise.
5725 * gcc.c (translate_options, init_spec, set_spec, main): Likewise.
5726 * genattrtab.c (make_length_attrs): Likewise.
5727 * genopinit.c (gen_insn): Likewise.
5728 * genrecog.c (NUM_KNOWN_PREDS, NUM_SPECIAL_MODE_PREDS): Likewise.
5729 * global.c (global_alloc): Likewise.
5730 * local-alloc.c (find_free_reg): Likewise.
5731 * mips-tdump.c (print_symbol): Likewise.
5732 * mips-tfile.c (parse_def, parse_input): Likewise.
5733 * reload1.c (NUM_ELIMINABLE_REGS): Likewise.
5734 * stmt.c (expand_nl_goto_receiver): Likewise.
5735 * stor-layout.c (set_sizetype): Likewise.
5736 * varasm.c (decode_reg_name): Likewise.
5737 * toplev.c (decode_f_option, decode_W_option,
5738 set_target_switch, print_switch_values): Likewise.
5739 (NUM_ELEM): Remove macro.
5740 (display_help, main): s/NUM_ELEM/ARRAY_SIZE/
5742 2000-08-24 Greg McGary <greg@mcgary.org>
5744 * tree.h (enum tree_index): New member `TI_MAIN_IDENTIFIER'.
5745 (MAIN_NAME_P, main_identifier_node): New macros.
5746 * c-common.c (c_common_nodes_and_builtins): Init main_identifier_node.
5747 * c-decl.c (start_decl, grokdeclarator, start_function,
5748 store_parm_decls, finish_function): Use MAIN_NAME_P.
5749 * config/avr/avr.c (function_prologue, function_epilogue): Likewise.
5750 * config/i386/cygwin.h (SUBTARGET_PROLOGUE): Likewise.
5751 * config/i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
5752 * config/pdp11/pdp11.c (output_function_prologue): Likewise.
5754 2000-08-24 Greg McGary <greg@mcgary.org>
5756 * cppfiles.c (actual_directory): Don't write beyond `dir'
5757 when it contains "".
5758 * real.c (asctoeg): Stay within bounds of etens[][].
5760 2000-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5762 * dependence.c (dependence_string, direction_string,
5763 dump_one_node, dump_node_dependence): Hide unused identifiers.
5764 (get_low_bound, normalize_coefficients): Match definition to
5766 (get_one_coefficient): Initialize variables `value0_is_idx' and
5768 (ziv_test, gcd_test): Mark parameters with ATTRIBUTE_UNUSED.
5769 (ziv_test): Delete variable `idx', use parameter `sub' instead.
5770 (direction_merge): Avoid automatic aggregate initialization.
5771 (have_dependence_p): Use `src' not `dest' to set `src_idx'.
5772 Initialize variables `dest_idx' and `src_idx'.
5773 (end_dependence_analysis): Avoid C89 style function definition.
5775 2000-08-24 Joseph S. Myers <jsm28@cam.ac.uk>
5777 * c-common.c (time_char_table): Don't allow width with %F.
5778 (check_format_info): Don't allow "Z" length with scanf.
5780 2000-08-24 Gabriel Dos Reis <gdr@codesourcery.com>
5782 * diagnostic.c (finish_diagnostic): Define.
5783 (output_do_printf): Use wrap_text instead of output_add_string.
5784 (default_print_error_function): Avoid embedded '\n'.
5786 * diagnostic.h (flush_diagnostic_buffer): Declare.
5788 2000-08-23 Alexandre Oliva <aoliva@redhat.com>
5790 * dependence.c: Replace `[][]' with `[][MAX_SUBSCRIPTS]'.
5792 2000-08-23 Hans-Peter Nilsson <hp@axis.com>
5794 * Makefile.in (GCC_PASSES): Add specs.
5796 2000-08-23 Jim Wilson <wilson@cygnus.com>
5798 * frame.h (IA64_UNW_EHANDLER, IA64_UNW_UHANDLER): New.
5799 * config/ia64/frame-ia64.c (__get_personality): Return zero if neither
5800 EHANDLER nor UHANDLER bit is set.
5801 (__get_except_table): Likewise.
5803 2000-08-23 Nick Clifton <nickc@redhat.com>
5805 * config/arm/lib1funcs.asm: Replace upper case condition codes
5806 with lower case versions.
5808 * config/arm/arm.h (STRUCT_VALUE): Define.
5809 (STRUCT_VALUE_REGNUM): Delete.
5811 2000-08-23 Zack Weinberg <zack@wolery.cumb.org>
5813 * cpphash.h (IN_I): New flag for directive table.
5814 * cpplib.c (DIRECTIVE_TABLE): Mark #define, #undef, #ident, and
5816 (_cpp_check_directive): If -fpreprocessed, execute directives
5817 marked with IN_I. Issue no warnings in this case.
5818 * cpplex.c (_cpp_get_token): Expand no macros if -fpreprocessed.
5820 2000-08-23 Joseph S. Myers <jsm28@cam.ac.uk>
5822 * c-common.c (print_char_table): Allow 'I' flag with %d, %i and
5824 (check_format_info): Support printf 'I' flag; warn about it with
5827 2000-08-23 Richard Earnshaw (rearnsha@arm.com)
5829 * arm.c (arm_expand_prologue): Ensure that the stack-adjustment
5830 barrier can't be ignored by the alias analysis code.
5832 2000-08-12 Eli Zaretskii <eliz@is.elta.co.il>
5834 * fixinc/inclhack.def (sysv68_string): Fix the Sed script so it
5835 works inside fixincl.
5837 Wed Aug 23 04:55:48 2000 Alexandre Oliva <aoliva@redhat.com>
5839 * simplify-rtx.c (simplify_rtx): Don't pass VOIDmode to
5840 simplify_relational_operation() unless both operands are of
5842 * cse.c (fold_rtx): Likewise.
5844 Tue Aug 22 23:53:27 EDT 2000 John Wehle (john@feith.com)
5846 * rtlanal.c (rtx_unstable_p): The pic register is stable
5847 (within one function) and the actual rtx should be used
5848 when checking the registers.
5849 (rtx_addr_can_trap_p): Pic memory addresses can't trap.
5851 * alias.c (true_dependence, write_dependence_p): Fix
5852 bug in previous patch.
5854 * i386.c (ix86_GOT_alias_set): New.
5855 (legitimize_pic_address): Use it.
5857 * rtlanal.c (rtx_unstable_p): An unchanging MEM is
5858 only stable if its address is stable.
5859 (rtx_varies_p): An unchanging MEM can't vary if
5860 its address doesn't vary.
5862 2000-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5864 * c-parse.in (unop +): Restrict -Wtraditional warnings to user code.
5866 2000-08-22 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5868 * vax.h (ASM_SPEC): Pass `-J' to assembler.
5869 * x-vax-gcc: New file for bootstrapping with gcc.
5870 * x-vax: Use X_CFLAGS rather than X_CPPFLAGS to pass `-J'.
5871 * configure.in: Use x-vax-gcc with gcc.
5872 * configure: Rebuilt.
5874 Tue Aug 22 21:21:05 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5876 * toplev.c (rest_of_compilation): Rebuild label notes after
5877 post-reload splitting pass if new labels have been created.
5879 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
5881 * diagnostic.h (output_buffer_state): New macro.
5882 * diagnostic.c (diagnostic_for_decl, sorry,
5883 default_print_error_function, output_do_verbatim,
5884 report_diagnostic, report_problematic_module): Use it.
5886 (output_format): Use wrap_text instead of maybe_wrap_text.
5888 2000-08-22 Nick Clifton <nickc@redhat.com>
5890 * config/arm/lib1funcs.asm (ARM_DIV_MOD_BODY): New macro.
5891 Common code for ARM divide and modulus functions.
5892 (THUMB_DIV_MOD_BODY): New macro. Thumb equivalent of
5894 (FUNC_END): New macro: Common code at the end of the division and
5896 (THUMB_FUNCTION_START): New macro: Common code at the start of
5898 (__divsi3, __udivsi3, __modsi3, __umodsi3): Use new macros.
5900 Tue Aug 22 20:34:52 2000 Kaz Kojima <kkojima@rr.iij4u.or.jp>
5902 * config/sh/sh.md (cmpeqdi_t splitter): Fix a reverse testing.
5904 * config/sh/sh.c (prepare_scc_operands): Apply force_reg to
5905 sh_compare_op1 when the mode is DImode and sh_compare_op1 isn't
5908 2000-08-22 Nick Clifton <nickc@redhat.com>
5910 * config/arm/lib1funcs.asm (__umodsi3): Before performing any
5911 restorative additions, test for bottom bits of IP being set,
5912 rather than relying upon the RORs not matching.
5915 2000-08-22 David Edelsohn <edelsohn@gnu.org>
5917 * aix.h (ASM_DECLARE_FUNCTION_NAME): Call named_section() or
5918 text_section() as appropriate instead of emitting text csect
5920 (TEXT_SECTION_ASM_OP): Only require default 32-bit alignment.
5921 (UNIQUE_SECTION): Define macro.
5922 (ASM_OUTPUT_SECTION_NAME): Define macro.
5923 * rs6000.c (rs6000_override_options): Disable -ffunction-sections
5924 on AIX if debugging and -fdata-sections always.
5926 2000-08-22 Steven King <sxking@uswest.net>
5928 * config/float-i386.h (LDBL_EPSILON): Remove __convert_long_double
5930 (LDBL_MAX): Same here.
5932 2000-08-22 Richard Henderson <rth@cygnus.com>
5934 * flow.c (tidy_fallthru_edge): Update b->end properly.
5936 2000-08-22 Stan Cox <scox@redhat.com>
5938 * Makefile.in (OBJS): Add dependence.o.
5939 * dependence.c: New file.
5941 2000-08-22 Alexandre Oliva <aoliva@redhat.com>, John David Anglin <dave.anglin@nrc.ca>
5943 * calls.c (check_sibcall_argument_overlap_1): Adjust for
5945 (check_sibcall_argument_overlap): Likewise.
5947 2000-08-22 Alexandre Oliva <aoliva@redhat.com>
5949 * invoke.texi (SH Options): Document -m4-nofpu,
5950 -m4-single-only, -m4-single, -m4, -mbigtable, -mfmovd,
5951 -mhitachi, -mnomacsave, -misize, -mpadstruct, -mspace.
5953 2000-08-22 Joseph S. Myers <jsm28@cam.ac.uk>
5955 * c-common.c (check_format_info): Give the 'some locales' warning
5956 for strftime %Ey rather than the unconditional 'only last 2 digits
5959 2000-08-22 Richard Henderson <rth@cygnus.com>
5961 * alias.c (init_alias_analysis): Do not register
5962 struct_value_incoming_rtx or static_chain_rtx as pointing
5965 Tue Aug 22 01:44:43 2000 Jeffrey A Law (law@cygnus.com)
5967 * protoize.c (munge_compile_params): Fix typo and formatting buglets.
5969 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
5971 * diagnostic.h (report_problematic_module): Declare.
5972 * diagnostic.c (report_problematic_module): New function.
5973 (report_error_function): Tweak.
5975 Tue Aug 22 02:31:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5977 * stmt.c (expand_goto_internal, fixup_gotos): Only check
5978 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
5980 2000-08-21 Richard Henderson <rth@cygnus.com>
5982 * flow.c (calculate_global_regs_live): Mark frame pointer live
5983 everywhere before reload.
5985 2000-08-21 Jim Wilson <wilson@cygnus.com>
5987 * real.c (ereal_from_int, ereal_from_uint, significand_size): Handle
5988 INTEL_EXTENDED_IEEE_FORMAT.
5989 (toe64): Delete INTEL_EXTENDED_IEEE_FORMAT support. Unconditionally
5990 clear last two bytes of output FP value.
5992 2000-08-21 Graham Stott <grahams@cygnus.co.uk>
5994 * config/ia64/ia64.h (REDO_SECTION_INFO_P): Change decl to DECL.
5996 2000-08-21 Jakub Jelinek <jakub@redhat.com>
5998 * unroll.c (loop_find_equiv_value): If ret is modified between
5999 insn and loop_start, ret might not be equivalent to reg.
6001 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
6003 * c-common.c (init_dollar_format_checking,
6004 maybe_read_dollar_number, finish_dollar_format_checking): New
6006 (dollar_arguments_used, dollar_arguments_count,
6007 dollar_first_arg_num, dollar_max_arg_used, dollar_format_warned):
6009 (check_format_info): Support $ formats for scanf and printf width
6010 and precision. Always increment format_chars to advance past the
6011 '*' of precision, not just when the format parameters are
6014 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6016 * mips.c (block_move_loop, expand_block_move,
6017 function_arg_partial_nregs, save_restore_insns, function_prologue,
6018 mips_expand_prologue, RA_MASK): Avoid using the `U' integer
6020 (function_arg_advance, function_arg): Match argument to format
6023 2000-08-21 Nix <nix@esperi.demon.co.uk>
6025 * gcc.c (do_spec_1): Implement %j spec flag.
6026 Remove dead comment.
6028 * gcc.texi (The Configuration File): Document HOST_BIT_BUCKET.
6029 * system.h (HOST_BIT_BUCKET): Default to "/dev/null".
6030 * config/i386/xm-dos.h (HOST_BIT_BUCKET): Define as "NUL".
6031 * config/i386/xm-os2.h, config/winnt/winnt.h: Likewise.
6033 * protoize.c (munge_compile_params): Use HOST_BIT_BUCKET (if
6034 writable) instead of hardcoded value.
6036 * toplev.c (compile_file): Output to a file even if -fsyntax-only.
6038 * gcc.c, config/i386/xm-dos.h, config/i386/xm-os2.h: Kill
6041 * gcc.c (cc1_options): Do not process -o or run the assembler if
6043 * objc/lang-spec.h: Likewise.
6045 2000-08-21 Eli Zaretskii <eliz@is.elta.co.il>
6047 * fixinc/fixincl.c (fix_with_system): Pipe the output of
6048 "external" fixes through `cat', to avoid truncating the input
6049 file by redirection.
6051 2000-08-21 Jakub Jelinek <jakub@redhat.com>
6053 * config/i386/i386.md (lea_general_1): Copy insn condition to split
6055 (lea_general_2, lea_general_3): Likewise.
6057 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6059 * c-decl.c (duplicate_decls, define_label): Restrict -Wtraditional
6060 warnings to user code.
6062 * c-lex.c (readescape, yylex): Likewise.
6064 * c-typeck.c (store_init_value, process_init_element): Likewise
6065 (c_expand_start_case): Format.
6067 2000-08-18 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
6069 * mips/linux.h (LINK_SPEC): Use %(endian_spec).
6071 * mips/mips.h: Change LINKER_ENDIAN_SPEC to ENDIAN_SPEC
6072 and linker_endian_spec to endian_spec.
6073 (ENDIAN_SPEC): Add %{EB} and %{EL}.
6074 (LINK_SPEC): Remove %{EB} and %{EL}.
6075 (ASM_SPEC): Likewise. Use %(endian_spec).
6077 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
6079 * c-tree.h (flag_hosted): Move declaration from here...
6080 * c-common.h (flag_hosted): ... to here.
6081 (flag_noniso_default_format_attributes): New declaration.
6082 * c-decl.c (flag_noniso_default_format_attributes): New variable.
6083 (c_decode_option): Set it appropriately for options choosing
6084 language standard variant.
6085 * c-common.c (init_function_format_info): Only provide default
6086 format attributes if flag_hosted. Only provide the gettext
6087 formats if flag_noniso_default_format_attributes. Update
6089 (check_format_info): Disable treatment of %a as a scanf flag in
6092 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
6094 * c-common.c (scan_char_table): Add 'w' to flags for all formats
6096 (check_format_info): Set 'wide' for scanf format widths. Warn for
6097 a zero scanf width. Make the check for writing into a constant
6098 object at the first level of indirection; at later levels, warn if
6099 any type qualifiers are encountered.
6101 Mon Aug 21 07:41:12 2000 Jeffrey A Law (law@cygnus.com)
6103 * reload.c (reload_inner_reg_of_subreg): New function broken out of
6105 (push_reload): Use reload_inner_reg_of_subreg.
6106 (combine_reloads): Do not combine reloads if the input reload
6107 is a SUBREG in which the inner part will need reloading.
6109 * global.c (global_alloc): Avoid passing dumpfile argument to
6111 * toplev.c (rest_of_compilation): Likewise.
6112 * reload.h (reload): Remove dumpfile argument. Callers changed.
6113 (debug_reload, debug_reload_to_stream): Move prototypes here.
6114 * rtl.h (reload): Remove dumpfile argument.
6115 * reload.c (debug_reload): Remove prototype.
6116 (debug_reload_to_stream): Likewise.
6117 * reload1.c: Avoid passing dumpfile around, rely on rtl_dump_file
6120 2000-08-21 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
6122 * diagnostic.c (context_as_prefix): Export.
6123 (need_error_newline): Remove.
6124 (lang_diagnostic_starter, lang_diagnostic_finalizer): New objects.
6125 (error_module_changed, record_last_error_module,
6126 error_function_changed, record_last_error_function): New functions.
6127 (initialize_diagnostics): Default intialize
6128 lang_diagnostic_starter, lang_diagnostic_finalizer.
6129 (init_output_buffer): Tweak.
6130 (file_name_as_prefix): New function.
6131 (announce_function, default_print_error_function,
6132 report_error_function, set_diagnostic_context): Tweak.
6134 2000-08-21 Richard Earnshaw <rearnsha@arm.com>
6136 * flow.c (init_propagate_block_info): Handle SUBREG in a jump
6137 condition expression.
6139 2000-08-20 Richard Henderson <rth@cygnus.com>
6141 * flow.c (merge_blocks_nomove): Don't seek back past the bb note.
6143 2000-08-20 Zack Weinberg <zack@wolery.cumb.org>
6145 * cppinit.c (cpp_init): Set global flag when called.
6146 (cpp_reader_init): Bomb out if cpp_init hasn't been called.
6148 Sun Aug 20 01:41:35 2000 Dennis Chernoivanov <cdi@sparc.spb.su>
6150 * cpplex.c (cpp_scan_buffer): Move `output_line_command' just
6151 before `process_directive' so that newlines won't be missed
6153 (cpp_printf): Increment `print->lineno' when newline is emitted.
6155 * cppmain.c (cb_ident): Likewise.
6156 (cb_define): Likewise.
6157 (cb_undef): Likewise.
6158 (cb_include): Likewise.
6159 (cb_def_pragma): Likewise.
6160 (dump_macros_helper): Likewise.
6162 2000-08-20 Richard Henderson <rth@cygnus.com>
6164 * config/ia64/ia64.c (emit_insn_group_barriers): Stop if ar.lc
6165 assigned before a loop.
6167 * config/ia64/ia64.md (ashlsi3): Zero extend the shift count.
6168 (ashrsi3, lshrsi3): Likewise.
6170 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
6172 * c-lang.c: #include diagnostic.h
6173 (c_tree_printer): New function.
6174 (lang_init): Initialize lang_printer.
6176 * Makefile.in (c-lang.o): Depends on diagnostic.h
6178 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
6180 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic.
6182 * diagnostic.c (default_diagnostic_starter,
6183 default_diagnostic_finalizer): New functions.
6184 (diagnostic_for_asm, diagnostic_for_decl): Tweak.
6185 (pedwarn, pedwarn_with_file_and_line, error,
6186 error_with_file_and_line, fatal, warning,
6187 warning_with_file_and_line): Adjust call to report_diagnostic.
6188 (report_diagnostic): Rework.
6189 (set_diagnostic_context): New function.
6191 * diagnostic.h (struct diagnostic_context): New data structure.
6192 (diagnostic_message, diagnostic_argument_list,
6193 diagnostic_file_location, diagnostic_line_location,
6194 diagnostic_is_warning, diagnostic_starter, diagnostic_finalizer,
6195 diagnostic_finalizer, diagnostic_auxiliary_data): New macros.
6196 (set_diagnostic_context): Declare.
6197 (report_diagnostic): Change prototype.
6199 Sun 20-Aug-2000 09:25:45 BST Neil Booth <NeilB@earthling.net>
6201 * fix-header.c (main): Initialize cpplib.
6203 2000-08-19 Michael Meissner <meissner@redhat.com>
6205 * ifcvt.c (find_if_block): Do not assume that a THEN block has any
6206 instructions in it before checking for indirect jumps.
6208 * ifcvt.c (find_if_block): Do not consider a THEN block that ends
6209 in a indirect jump as a potential for conditional execution.
6211 * d30v.h (d30v_init_expanders): Don't declare here.
6212 * d30v-protos.h (d30v_init_expanders): Declare here with a valid
6215 Sat 19-Aug-2000 21:11:45 BST Neil Booth <NeilB@earthling.net>
6217 * cpp.texi: Add @section for assertions.
6219 Sat Aug 19 12:37:08 EDT 2000 John Wehle (john@feith.com)
6221 * loop.c (scan_loop): Use CONST_CALL_P instead of
6222 checking for REG_LIBCALL / REG_RETVAL.
6224 Sat Aug 19 09:18:47 2000 Jeffrey A Law (law@cygnus.com)
6226 * reload1.c (reload_as_needed): Accept dumpfile argument,
6227 pass it to emit_reload_insns.
6228 (emit_reload_insns): Add new dumpfile argument. If non-null
6229 then dump the reloads for each insn into the dumpfile.
6230 (reload): Pass dumpfile to reload_as_needed.
6232 * invoke.texi: Clean up linux-gnu vs linux comments.
6234 2000-08-19 Richard Henderson <rth@cygnus.com>
6236 * config/ia64/ia64.c (reg_or_5bit_operand): New.
6237 (ia64_depz_field_mask): New.
6238 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_R): New.
6239 (PREDICATE_CODES): Update.
6240 * config/ia64/ia64.md: Update commentary.
6241 (depz_internal): New.
6242 (ashlsi3): Implement directly.
6243 (ashrsi3, lshrsi3): Simplify; rely on extv and extzv for constants.
6244 (ashldi3): Use shladd.
6245 * config/ia64/ia64-protos.h: Update.
6247 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
6249 * toplev.c (independent_decode_option): Always process -g.
6250 Remove third argument, now unused. Adjust caller to match.
6252 2000-08-18 Richard Henderson <rth@cygnus.com>
6254 * combine.c (make_compound_operation): Break after creating
6257 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
6259 * cpplib.c (cpp_register_pragma_space): Just return if the
6260 namespace is already registered.
6262 2000-08-18 Ray Essick <essick@ddna.labs.mot.com> & Nick Clifton <nickc@redhat.com>
6264 * config/mcore/mcore.md (rotlsi3): Allow allow rotations by a
6265 constant amount. Do not generate ROTL instruction.
6267 Fri Aug 18 16:22:20 2000 Alexandre Oliva <aoliva@redhat.com>
6269 * config/sh/elf.h: Do not include sh/sh.h.
6270 * config/sh/rtems.h: Likewise.
6271 * config/sh/rtemself.h: Do not include sh/elf.h.
6272 * configure.in: Get them included with `tm_file's.
6273 * configure: Rebuilt.
6275 * config/sh/sh.md (fpu_switch0, fpu_switch1): Simplify.
6276 * config/sh/sh.c (fpscr_set_from_mem): Use them.
6278 Fri Aug 18 14:23:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6280 * stor-layout.c (compute_record_type): Don't use mode of single
6281 field as mode of record if not integer mode of same type.
6283 * regmove.c (perhaps_ends_bb_p): New function.
6284 (optimize_reg_copy_1, optimize_reg_copy_2): Call it.
6285 (optimize_reg_copy_3, fixup_match_2, regmove_optimize): Likewise.
6286 (fixup_match_1): Likewise.
6287 (fixup_match_1, combine_stack_adjustments_for_block): Add casts to
6288 avoid signed/unsigned warnings.
6290 * function.c (fixup_var_refs_1, case MEM): Update CODE after
6293 Fri 18-Aug-2000 18:33:45 BST Neil Booth <NeilB@earthling.net>
6295 * cpphash.h: Use HAVE_DESIGNATED_INITIALIZERS.
6296 (_cpp_trigraph_map): Declaration moved from cpplex.c
6298 * cppinit.c: Define _cpp_trigraph_map. Use UCHAR_MAX + 1
6299 instead of 256. Use consistent test for designated initializers.
6300 (cpp_init): Initialize trigraph_map.
6301 (initialize_standard_includes, parse_option): Use memcmp
6304 * cpplex.c (init_trigraph_map): Remove.
6305 (trigraph_ok, trigraph_replace, lex_line): Refer to
6308 * cpplib.c (str_match, WARNING, ERROR, ICE): Delete.
6309 (do_unassert): Remove unused "next" local.
6311 * system.h (HAVE_DESIGNATED_INITIALIZERS): New prototype.
6313 2000-08-18 Emmanuel Marty <emarty@suntech.fr>
6315 * arm/lib1funcs.asm (_umodsi3 THUMB VARIANT): Restore deleted return
6318 2000-08-17 Richard Henderson <rth@cygnus.com>
6320 * config/ia64/ia64.c (spill_restore_mem): Handle emitting
6321 the first insn in a sequence.
6323 Thu Aug 17 22:40:05 EDT 2000 John Wehle (john@feith.com)
6325 * alias.c (true_dependence, write_dependence_p): A read
6326 involving a label_ref or the constant pool doesn't create
6329 * rtl.h (unchanging): Improve documentation.
6331 2000-08-17 Rodney Brown <RodneyBrown@mynd.com>
6333 * cse.c (insert_regs): Remove unused `regno'.
6335 2000-08-17 Neil Booth <NeilB@earthling.net>
6337 * (cppinit.c) merge_include_chains: Use remove_dup_dir,
6338 remove_dup_dirs. If qtail == brack, remove brack not
6340 (remove_dup_dir, remove_dup_dirs): New functions.
6342 2000-08-17 Neil Booth <NeilB@earthling.net>
6344 * cppinit.c (cpp_cleanup): Free include dir chains.
6345 * cpplib.c (do_undef): Let _cpp_free_definition make the node void.
6346 (do_unassert): Free the assert with _cpp_free_definition.
6347 * cppmacro.c (_cpp_free_definition): Free memory allocated for
6348 assertions. Make the node a T_VOID node.
6350 2000-08-17 Neil Booth <NeilB@earthling.net>
6352 * cppinit.c (path_include, append_include_chain):
6353 Remove 2nd parameter (struct cpp_pending *).
6354 (path_include, initialize_standard_includes, cpp_handle_option):
6355 Update callers appropriately.
6356 (cpp_handle_option): Use pend.
6358 2000-08-17 Neil Booth <NeilB@earthling.net>
6360 * cppinit.c (sort_options): Remove, put functionality in
6363 (initialize_builtins): Free memory.
6364 (cpp_start_read): Move init_IStable to cpp_init.
6366 * cpplib.h (cpp_init): New prototype.
6367 * cppmain.c (main): Call cpp_init.
6369 Thu Aug 17 13:20:32 EDT 2000 John Wehle (john@feith.com)
6371 * rtlanal.c (rtx_unstable_p): Use CONSTANT_P.
6372 (rtx_unstable_p, rtx_varies_p): Process vectors.
6374 2000-08-16 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
6376 * config/sh/lib1funcs.asm (GLOBAL): Define. Use for all
6377 references to GLOBAL symbols. Use LOCAL where appropriate.
6379 2000-08-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6381 * configure.in (*-ibm-aix4.[12]*): Delete test for gnu ld. Always
6382 use t-aix41 when host == target.
6384 2000-08-16 Richard Henderson <rth@cygnus.com>
6386 * reload.c (push_secondary_reload): Revert last change.
6387 If we use a reload_in/out pattern, make the when the same
6388 as the primary reload.
6389 (find_reloads): Likewise.
6391 2000-08-16 Manfred Hollstein <manfredh@redhat.com>
6393 * configure.in (libstdcxx-v3): Fix test.
6394 * configure: Regenerate.
6396 Wed Aug 16 08:10:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6398 * calls.c (calls_function_1, expand_call): Only test
6399 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
6400 * function.c (thread_prologue_and_epilogue_insns): Likewise.
6402 2000-08-16 Richard Henderson <rth@cygnus.com>
6404 * combine.c (simplify_shift_const): Revert previous two
6405 changes. If SHIFT_COUNT_TRUNCATED, crop the shift count
6406 before the main loop.
6408 2000-08-15 Richard Henderson <rth@cygnus.com>
6410 * combine.c (simplify_shift_const): Bound shift count when
6413 Tue Aug 15 17:33:05 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6415 * calls.c (ECF_SP_DEPRESSED): New macro.
6416 (calls_function_1): Treat calling sp-depressed function as alloca.
6417 (emit_call_1): Don't adjust SP if calling sp-depressed function.
6418 (expand_call): Set ECF_SP_DEPRESSED if TYPE_RETURNS_STACK_DEPRESSED.
6419 If sp-depressed, ensure block saves and restores SP.
6420 * fold-const.c (extract_muldiv): Only check TYPE_IS_SIZETYPE
6422 * function.c (keep_stack_depressed): New function.
6423 (thread_prologue_and_epilogue_insns): Call it.
6424 * print-tree.c (print_node): Use HOST_WIDE_INT_PRINT_UNSIGNED
6425 to print DECL_OFFSET_ALIGN.
6426 Print no-force-blk and transparent-union flags properly.
6427 * stmt.c (expand_goto_internal): Don't restore stack if last block
6428 and function returns with sp depressed.
6429 (fixup_gotos): Likewise.
6430 (save_stack_pointer): New function, from code in expand_decl.
6431 (expand_decl): Call new function.
6432 * tree.h (TYPE_IS_SIZETYPE): Call INTEGER_TYPE_CHECK.
6433 (TYPE_RETURNS_STACK_DEPRESSED): New macro.
6434 (save_stack_pointer): New declaration.
6436 * diagnostic.c (fatal_function): New variable.
6437 (set_fatal_function): New function.
6439 * diagnostic.h (set_fatal_function): New declaration.
6441 2000-08-15 William Cohen <wcohen@redhat.com>
6443 * config/sh/elf.h (DWARF2_DEBUGGING_INFO): Defined.
6444 (PREFERRED_DEBUGGING_TYPE): Set to dwarf2 info.
6445 (DWARF2_ASM_LINE_DEBUG_INFO): Defined.
6447 2000-08-15 Richard Henderson <rth@cygnus.com>
6449 * flow.c (mark_used_reg): Set reg_cond_reg appropriately.
6451 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
6453 * arm.c (arm_function_ok_for_sibcall): New function.
6454 * arm.h (FUNCTION_OK_FOR_SIBCALL): Define.
6455 * arm.md (call expanders): Don't check here for calls that can't
6458 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
6460 * arm.md (splits generating cond_exec): Disable.
6462 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
6464 * arm/linux-elf.h (text_section): Delete declaration.
6466 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
6468 ARM support for unordered FP operations.
6469 * arm-protos.h (arm_comparison_operator): Declare.
6470 * arm.c (arm_comparison_operator): New function.
6471 (arm_select_cc_mode): Add unordered comparison codes.
6472 (get_arm_condition_code): Likewise.
6473 (arm_final_prescan_insn): Can't handle unordered jumps that can't
6474 be done in one insn.
6475 * arm.h (PREDICATE_CODES): Add arm_comparison_operator.
6476 * arm.md (all uses of comparison_operator): Replace with
6477 arm_comparison_operator.
6478 (bunordered, bordered, bugt, bunlt, bunge, bunle, buneq, bltgt): New
6480 (arm_buneq, arm_bltgt, arm_buneq_reversed, arm_bltgt_reveresed): New
6483 Tue Aug 15 00:36:36 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
6485 * gthr-posix.h: Conditionally include <sched.h>; include
6486 <config.h> from libobjc/.
6488 2000-08-14 Richard Henderson <rth@cygnus.com>
6490 * config/i386/i386.c (legitimize_pic_address): Use Pmode
6493 2000-08-14 Richard Henderson <rth@cygnus.com>
6495 * configure.in (ia64-*): Set float_format for i386 long double.
6497 * real.c (GET_REAL): Treat 128-bit INTEL_EXTENDED_IEEE_FORMAT
6498 as we would for i386 XFmode.
6499 (PUT_REAL): Likewise.
6500 (endian, ereal_atof, real_value_truncate): Likewise.
6501 (ereal_isneg, toe64, etens, make_nan): Likewise.
6502 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Likewise.
6504 * config/ia64/ia64-protos.h: Update.
6505 * config/ia64/ia64.c (general_tfmode_operand): New.
6506 (destination_tfmode_operand): New.
6507 (tfreg_or_fp01_operand): New.
6508 (ia64_split_timode): New.
6509 (spill_tfmode_operand): New.
6510 (ia64_expand_prologue): Use TFmode not XFmode.
6511 (ia64_expand_epilogue): Likewise.
6512 (ia64_function_arg): Likewise.
6513 (ia64_function_arg_advance): Likewise.
6514 (ia64_return_in_memory): Likewise.
6515 (ia64_function_value): Likewise.
6516 (ia64_print_operand): Likewise.
6517 (ia64_register_move_cost): Set GR<->FR to 5.
6518 (ia64_secondary_reload_class): Get GR for TImode memory op.
6519 * config/ia64/ia64.h (ROUND_TYPE_SIZE): Remove.
6520 (ROUND_TYPE_ALIGN): Remove.
6521 (LONG_DOUBLE_TYPE_SIZE): Set to 128.
6522 (INTEL_EXTENDED_IEEE_FORMAT): Define.
6523 (HARD_REGNO_NREGS): Use TFmode, not XFmode.
6524 (HARD_REGNO_MODE_OK): Likewise. Disallow TImode in FRs.
6525 (MODES_TIEABLE_P): Use TFmode, not XFmode.
6526 (CLASS_MAX_NREGS): Likewise.
6527 (ASM_OUTPUT_LONG_DOUBLE): Output by 4 byte hunks.
6528 (PREDICATE_CODES): Update.
6529 * config/ia64/ia64.md (movti): New.
6530 (movti_internal): Use a clobber for memory alternatives.
6531 (reload_inti, reload_outti): New.
6532 (movsfcc_astep): Predicate properly.
6533 (movdfcc_astep): Likewise.
6536 (extendsftf2, extenddftf2): New.
6537 (trunctfsf2, trunctfdf2): New.
6538 (floatditf2, fix_trunctfdi2): New.
6539 (floatunsditf2, fixuns_trunctfdi2): New.
6540 (addtf3, subtf3, multf3, abstf2): New.
6541 (negtf2, nabstf2, mintf3, maxtf3): New.
6542 (maddtf3, msubtf3, nmultf3, nmaddtf3): New.
6544 (fr_spill): Use TFmode, not XFmode.
6545 (fr_restore): Likewise.
6546 * config/ia64/lib1funcs.asm (__divtf3): New.
6547 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add it.
6549 2000-08-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6551 * cse.c (fold_rtx): Avoid empty body in an if-statement.
6553 * doloop.c (doloop_iterations_max, doloop_modify): Avoid using the
6554 `U' integer constant suffix.
6556 * dwarf2out.c (add_subscript_info): Avoid empty body in an
6559 * sparc/sol2.h (__enable_execute_stack): Prototype.
6561 2000-08-14 David Edelsohn <edelsohn@gnu.org>
6563 * collect2.c: Remove use of AIX import file.
6565 * longlong.h: Test ARCH_PWR not ARCH_POWER.
6567 * rs6000.c (print_operand, case 'E'): Add else.
6569 2000-08-14 Richard Henderson <rth@cygnus.com>
6571 * config/ia64/ia64.md (movdi): Delay calling ia64_expand_load_address.
6572 (movdi_symbolic): New.
6574 2000-08-14 Jim Wilson <wilson@cygnus.com>
6576 * config/ia64/ia64.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
6577 to GNU as. For Intel as, pass -M const_gp and -M no_plabel.
6578 * config/ia64/linux.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
6581 2000-08-14 Richard Henderson <rth@cygnus.com>
6583 * expr.c (emit_group_load): Don't force constants into registers.
6584 Special case source already in the correct mode.
6586 2000-08-14 Zack Weinberg <zack@wolery.cumb.org>
6588 * configure.in: Accept *-*-linux* not just *-*-linux-gnu*.
6589 * fixinc/inclhack.def: Likewise.
6590 * fixinc/mkfixinc.sh: Likewise.
6591 * configure: Regenerate.
6592 * fixinc/fixincl.x: Regenerate.
6593 * install.texi: Document equivalence of linux and linux-gnu.
6595 Mon Aug 14 18:51:44 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6597 * cse.c (insert_regs): Also in REG case: When finding an invalid
6598 value, and we make a new quantity, make sure that it won't be
6599 mistaken by for a valid one by mention_regs.
6601 2000-08-13 Ralf Gütlein <ralf.guetlein@aranea.de>
6603 * h8300.md: Remove obsolete peepholes.
6605 2000-08-13 Kazu Hirata <kazu@hxi.com>
6607 * invoke.texi (H8/300 Options): Fix typos.
6608 * config/h8300.c: Fix formatting.
6609 * config/h8300.h: Fix comment typos.
6610 (OVERRIDE_OPTIONS): Fix formatting.
6612 * function.c: Fix formatting.
6614 * cse.c: Fix formatting.
6616 2000-08-13 Geoff Keating <geoffk@cygnus.com>
6618 * flow.c (attempt_auto_inc): Remove unused variable `bb'.
6619 (attempt_auto_inc): Suppress parentheses warning.
6620 * function.c (put_reg_into_stack): Remove unused variable `unsigned_p'.
6621 * loop.c (load_mems): Remove `u' suffix in two places.
6622 * config/rs6000/rs6000.c: Remove unnecessary `u' suffixes from
6624 * config/rs6000/rs6000.h: Likewise.
6625 * config/rs6000/sol-c0.c: Prototype some functions. Remove the
6626 __eabi dummy routine.
6627 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Remove unused
6630 * config/rs6000/rs6000.c (rs6000_select_section): Rewrite to
6631 not put stuff in .sdata unnecessarily.
6632 (rs6000_unique_section): New function.
6633 * config/rs6000/rs6000-protos.h: Add rs6000_unique_section.
6634 * config/rs6000/sysv4.h (UNIQUE_SECTION): Define.
6636 * c-typeck.c (build_array_ref): Don't complain about non-lvalue
6637 arrays in C99. Don't try to look at DECL_REGISTER of a
6638 COMPONENT_REF. Don't complain twice about the same error.
6640 * fixinc/inclhack.def (aix_pthread): New fix.
6641 (aix_sysmachine): New fix.
6642 * fixinc/fixincl.x: Regenerate.
6644 * expr.c (expand_expr): Call convert_modes when turning a large
6645 multiply into a small one.
6647 2000-08-12 Geoff Keating <geoffk@cygnus.com>
6649 * tree.h (DECL_OFFSET_ALIGN): Make the off_align field of
6650 the tree structure an exponent rather than an explicit alignment
6651 so it doesn't overflow.
6652 (SET_DECL_OFFSET_ALIGN): New macro.
6653 * stor-layout.c (place_union_field): Use SET_DECL_OFFSET_ALIGN
6654 rather than DECL_OFFSET_ALIGN.
6655 (place_field): Likewise.
6656 * expmed.c (store_bit_field): Abort on align==0 to avoid
6657 antisocial machine behaviour.
6659 2000-08-12 Richard Henderson <rth@cygnus.com>
6661 * sibcall.c (uses_addressof): Accept both addressof and
6662 current_function_internal_arg_pointer inside a mem.
6663 (optimize_sibling_and_tail_recursive_call): Fail tail recursion
6664 if current_function_uses_addressof.
6665 * stmt.c (expand_return): Kill tail recursion and HAVE_return
6668 2000-08-11 Richard Henderson <rth@cygnus.com>
6670 * config/ia64/ia64.md (addsi3): Remove expander.
6671 (subsi3, mulsi3, negsi2, one_cmplsi2): Likewise.
6672 (*addsi3_shladd): New.
6674 2000-08-11 Richard Henderson <rth@cygnus.com>
6676 * config/ia64/ia64.c (do_spill): Pass cfa offset to move expander.
6677 (do_restore): Likewise.
6678 (gen_movdi_x, gen_fr_spill_x, gen_fr_restore_x): New.
6679 (ia64_expand_prologue, ia64_expand_epilogue): Use them.
6680 (rtx_needs_barrier): Track actual bit manipulation for
6681 ar.unat moves, gr_spill, and gr_restore.
6682 (emit_insn_group_barriers): Special case gr_spill/gr_restore.
6683 (process_set): Don't handle varargs spills.
6684 * config/ia64/ia64.md (gr_spill): Accept cfa offset. Emit
6685 .mem.offset here instead of in process_set.
6686 (gr_restore): Likewise.
6688 2000-08-11 Richard Henderson <rth@cygnus.com>
6690 * config/ia64/ia64.h (PROMOTE_MODE): Only extend to SImode.
6692 2000-08-11 Mark Elbrecht <snowball3@bigfoot.com>
6694 * gcc.texi (The Configuration File): Document
6695 COLLECT2_HOST_INITIALIZATION, GCC_DRIVER_HOST_INITIALIZATION, and
6696 UPDATE_PATH_HOST_CANONICALIZATION.
6698 2000-08-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6700 * c-parse.in (cast_expr): Avoid -Wstrict-prototype warnings for
6701 unprototyped function pointer casts on integer constants.
6703 2000-08-11 Laurynas Biveinis <lauras@softhome.net>
6705 * fixproto: Recognize DOS paths with drive letters as absolute paths.
6707 2000-08-11 Nathan Sidwell <nathan@codesourcery.com>
6709 * extend.texi (Volatiles): Fix typos.
6711 2000-08-11 Kazu Hirata <kazu@hxi.com>
6713 * flow.c: Fix formatting.
6715 2000-08-11 Richard Henderson <rth@cygnus.com>
6717 * reload.c (push_secondary_reload): When invoking a reload_{in,out}
6718 pattern, always allocate a tertiary scratch register.
6720 * config/alpha/alpha.md (reload_inqi): Use a DImode scratch.
6721 (reload_inhi): Likewise.
6723 2000-08-11 Richard Henderson <rth@cygnus.com>
6725 * function.c (put_reg_into_stack): Allow type to be NULL.
6726 (schedule_fixup_var_refs): Likewise.
6727 (gen_mem_addressof): Allow decl to be NULL.
6728 (put_addressof_into_stack): Likewise.
6730 * flow.c (merge_blocks_nomove): Be more careful about
6731 locating the beginning of block A.
6733 * combine.c (simplify_shift_const): Obey SHIFT_COUNT_TRUNCATED.
6735 Thu Aug 10 22:47:09 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
6740 * config.in: Reverted the check for <sched.h>.
6742 2000-08-10 Chris Demetriou <cgd@sibyte.com>
6744 * mips/elf.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME): New
6745 macros define the name of CTOR and DTOR sections.
6746 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
6747 DTOR_LIST_END): Change to use attributes to specify
6749 * mips/elf64.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME,
6750 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
6751 DTOR_LIST_END): Same as in mips/elf.h.
6753 2000-08-10 Drew Moseley <dmoseley@redhat.com>
6755 * config/mn10300/mn10300.h: Added no-crt0 option for explicitly
6756 disabling just crt0.o.
6758 2000-08-10 Richard Earnshaw <rearnshaw@arm.com> & Nick Clifton <nickc@cygnus.com>
6760 * arm.h (CPP_SPEC): Use sub-spec cpp_interwork.
6761 (CPP_INTERWORK_SPEC, CPP_INTERWORK_DEFAULT_SPEC): New sub-specs.
6762 (EXTRA_SPECS): Add them.
6763 * arm/lib1funcs.asm: Support builds for interworking.
6764 Use macros to eliminate duplicated pieces of code.
6766 2000-08-10 Kazu Hirata <kazu@hxi.com>
6768 * h8300.c (expand_a_rotate): New.
6769 (emit_a_rotate): Likewise.
6770 (h8300_adjust_insn_length): Add support for the rotate insns.
6771 * h8300.md (rotlqi3): New.
6772 (*rotlqi3_1): Likewise.
6773 (rotlhi3): Likewise.
6774 (*rotlhi3_1): Likewise.
6775 (rotlhi3): Likewise.
6776 (*rotlhi3_1): Likewise.
6777 * h8300-proto.h: Add prototypes for expand_a_rotate and
6780 * h8300.c: Fix comment typos.
6781 (dosize): Declare the variable amount as unsigned.
6782 (get_shift_alg): Fix a comparison between signed and unsigned.
6783 (emit_a_shift): Likewise.
6784 (h8300_adjust_insn_length): Simplify the code.
6786 * c-decl.c: Fix formatting.
6788 2000-08-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6790 * c-lex.c (parse_float, yylex): For -Wtraditional, issue a
6791 warning about non-traditional numeric constant suffixes.
6793 * cppexp.c (parse_number): Likewise.
6795 * invoke.texi: (-Wtraditional): Document new behavior.
6797 Thu Aug 10 00:11:04 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
6799 * gthr-posix.h: Include auto-host.h. Conditionally include
6801 * configure.in: Check for the <sched.h> header file.
6802 * config.in: Added define for HAVE_SCHED_H.
6804 2000-08-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6806 * c-typeck.c (process_init_element): For -Wtraditional, warn about
6807 initialization of unions.
6809 * invoke.texi (-Wtraditional): Document new behavior.
6811 2000-08-09 Zack Weinberg <zack@wolery.cumb.org>
6813 * configure.in (--enable-c-cpplib): Uncomment. Use AC_DEFINE
6814 instead of extra_c_flags.
6815 (--enable-c-mbchar): Use AC_DEFINE instead of extra_c_flags.
6816 * configure: Regenerate.
6817 * config.in: Regenerate.
6819 * cpperror.c (cpp_type2name): New function.
6820 * cpplex.c (lex_line): If we issued an error for an invalid
6821 preprocessing directive, discard that logical line.
6822 * cpplib.c (do_line): Call a hook function if the current file
6823 is renamed by #line.
6824 (do_ident): Pass the contents of the string, not the entire
6825 token, to the callback function.
6826 * cpplib.h (CPP_LAST_PUNCTUATOR): New #define.
6827 (cb.rename_file): New hook function.
6828 (cb.ident): Adjust prototype.
6829 (cpp_type2name): Prototype.
6830 * cppmacro.c (dump_macro_args): Correct precedence lossage.
6832 * cppmain.c (cb_ident): Update for changed interface.
6833 (cb_rename_file): New function.
6834 (main): Set rename callback.
6836 2000-08-09 Alexandre Oliva <aoliva@redhat.com>
6838 * caller-save.c (mark_referenced_regs): Mark partially-overwritten
6839 multi-word registers.
6841 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
6843 * c-common.c (combine_strings, check_format_info): Refer to ISO C
6844 or ISO C89 instead of ANSI C.
6845 * c-decl.c (grokdeclarator, xref_tag, finish_struct,
6846 build_enumerator, do_case): Likewise.
6847 * c-lex.c (parse_float, yylex): Likewise.
6848 * c-parse.in: Likewise.
6849 * c-typeck.c (common_type, build_array_ref, build_binary_op,
6850 build_unary_op, pedantic_lvalue_warning, build_conditional_expr,
6851 build_c_cast, convert_for_assignment, set_init_index,
6852 set_init_label, c_expand_start_case): Likewise.
6853 * toplev.c (documented_lang_options, display_help): Likewise.
6855 2000-08-08 Kazu Hirata <kazu@hxi.com>
6857 * h8300.c: Fix formatting.
6858 * h8300.h: Likewise.
6859 * h8300.md: Likewise.
6860 (movsi_h8300hs): Fix formatting of the resulting assembly code.
6862 * reload1.c: Fix formatting.
6864 2000-08-08 Rodney Brown <RodneyBrown@mynd.com>
6866 * alpha/alpha.c (alpha_emit_xfloating_libcall):
6867 Use GEN_CALL_VALUE define.
6868 * alpha/alpha.md (untyped_call): Use GEN_CALL define.
6869 * clipper/clipper.md (untyped_call): Likewise.
6870 * dsp16xx/dsp16xx.md (untyped_call): Likewise.
6871 * fx80/fx80.md (untyped_call): Likewise.
6872 * mips/mips.md (untyped_call): Likewise.
6873 * ns32k/ns32k.md (untyped_call): Likewise.
6874 * pa/pa.md (untyped_call): Likewise.
6875 * romp/romp.md (untyped_call): Likewise.
6876 * sparc/sparc.md (untyped_call): Likewise.
6878 2000-08-08 Jason Eckhardt <jle@cygnus.com>
6880 * config/i860/i860.c (singlemove_string): Do not generate assembler
6881 pseudo instructions that must be expanded (that is, with signed
6882 constants larger than 16 bits).
6884 2000-08-08 Richard Henderson <rth@cygnus.com>
6886 * flow.c (life_analysis): Only turn off PROP_LOG_LINKS and
6887 PROP_AUTOINC at -O0. Don't collect alias info at -O0.
6888 (init_propagate_block_info): Don't kill memory stores at -O0.
6889 (mark_set_1, mark_used_regs): Likewise.
6891 2000-08-08 David Edelsohn <edelsohn@gnu.org>
6893 * rs6000.c (optimization_options): Decorate 'level' as
6895 (mask64_operand): Remove sign-extend thinko.
6896 (rldic_operand): New function.
6897 (load_multiple_operation): regno's are unsigned ints.
6898 (store_multiple_operation): Likewise.
6899 (lmw_operation): Likewise.
6900 (stmw_operation): Likewise.
6901 (includes_lshift_p): shift_mask is unsigned int.
6902 (includes_lshift64_p): New function.
6903 (addrs_ok_for_quad_peep): unsigned int reg1.
6904 (print_operand): Consistently add "else" after
6905 output_operand_lossage().
6906 (print_operand, case 'b'): Fold in case 'W'.
6907 (print_operand, case 'W'): Print rldic MB value.
6908 (output_epilogue): Update Objective-C language string.
6909 (output_toc): unsigned HOST_WIDE_INT low, compare unsigned.
6910 * rs6000.h (PREDICATE_CODES): Add rldic_operand.
6911 * rs6000.md (ashldi3): Add rldic instruction.
6912 (iordi3, xordi3): Remove redundant "else if CONST_DOUBLE".
6913 (cmpsi_internal2, cmpdi_interal2): Use 'b' output template
6916 2000-08-08 Richard Henderson <rth@cygnus.com>
6918 * config/ia64/ia64-protos.h: Remove duplicates. Update
6919 for massive code rearrangements.
6920 * config/ia64/ia64.c (ia64_arpfs_regno): Remove.
6921 (ia64_rp_regno, ia64_fp_regno, ia64_input_regs): Remove.
6922 (ia64_local_regs, ia64_need_regstk): Remove.
6923 (ar_ccv_reg_operand): New.
6924 (ia64_gp_save_reg): New.
6925 (struct ia64_frame_info): Combine most of the size elements;
6926 add new gr save elements.
6927 (find_gr_spill): New.
6928 (next_scratch_gr_reg): New.
6929 (mark_reg_gr_used_mask): New.
6930 (ia64_compute_frame_size): Rewrite. Allocate special AR regs
6931 to GR backing store regs when possible.
6932 (ia64_initial_elimination_offset): New.
6933 (ia64_rap_fp_offset): Remove.
6934 (save_restore_insns): Remove.
6935 (setup_spill_pointers): New.
6936 (finish_spill_pointers): New.
6937 (spill_restore_mem): New.
6938 (do_spill, do_restore): New.
6939 (ia64_expand_prologue): Rewrite to use them.
6940 (ia64_expand_epilogue): Likewise.
6941 (ia64_direct_return): Update for current_frame_info changes.
6942 (ia64_function_prologue): Simplify .prologue emission. Emit
6944 (ia64_setup_incoming_varargs): Don't ever emit rtl.
6945 (ia64_dbx_register_number): New.
6946 (ia64_initialize_trampoline): New.
6947 (ia64_secondary_reload_class): Request GR_REGS for integer
6948 arithmetic destined for FR_REGS.
6949 (ia64_init_machine_status): Don't reset return_address_pointer_rtx.
6950 (ia64_mark_machine_status): Mark ia64_gp_save.
6951 (rws_access_regno): Rename from rws_access_reg; don't treat
6952 predicates specially.
6953 (rws_access_reg): New. Update all callers.
6954 (rtx_needs_barrier): Remove dead unspecs.
6955 (ia64_epilogue_uses): Mark ar.pfs and ar.unat live on exit.
6956 (ia64_encode_section_info): Silence signed/unsigned warnings.
6957 (spill_offset, sp_offset, spill_offset_emitted): Remove.
6958 (tmp_reg, tmp_saved): Remove.
6959 (process_set): Rewrite to expect complicated bits via
6960 REG_FRAME_RELATED_EXPR.
6961 (ia64_expand_fetch_and_op): Use emit_move_insn; be explicit
6962 in the use of ar.ccv; never set RTX_UNCHANGING_P.
6963 (ia64_expand_op_and_fetch): Likewise.
6964 (ia64_expand_compare_and_swap): Likewise.
6965 (ia64_expand_builtin): Likewise.
6966 * config/ia64/ia64.h (AR_UNAT_REGNUM): New.
6967 (FIRST_PSEUDO_REGISTER): Update.
6968 (AR_M_REGNO_P): Update.
6969 (FIXED_REGS): Don't mark three local registers as used.
6970 (EXTRA_CC_MODES): New.
6971 (SELECT_CC_MODE): New.
6972 (HARD_REGNO_NREGS): Allow DImode in p0; handle CCImode.
6973 (HARD_REGNO_MODE_OK): Disallow CCImode from non-predicates.
6974 (FRAME_GROWS_DOWNWARD): Unset.
6975 (STARTING_FRAME_OFFSET): Zero.
6976 (ELIMINABLE_REGS): Eliminate from the soft to hard frame pointer.
6977 (INITIAL_ELIMINATION_OFFSET): Defer to out of line function.
6978 (HARD_FRAME_POINTER_REGNUM): New.
6979 (CAN_DEBUG_WITHOUT_FP): Define.
6980 (TRAMPOLINE_TEMPLATE): Remove.
6981 (TRAMPOLINE_SIZE): Lower to 32.
6982 (TRAMPOLINE_ALIGNMENT): Lower to 64.
6983 (INITIALIZE_TRAMPOLINE): Defer to out of line function.
6984 (PREDICATE_CODES): Update.
6985 (struct machine_function): Add ia64_gp_save.
6986 * config/ia64/ia64.md: Purge unused unspecs.
6987 (movsi patterns): Allow moves to/from AR_M_REGS.
6988 (movdi patterns): Allow moves to/from p0.
6989 (call patterns): Move most setjmp hackery to ia64_gp_save_reg.
6990 (gr_spill, gr_restore): Indicate ar.unat read/written.
6991 (nonlocal_goto): Don't pass old frame_pointer.
6992 (nonlocal_goto_receiver): Remove.
6993 (exception_receiver): New.
6994 (builtin_setjmp_setup): New.
6995 (builtin_setjmp_receiver): New.
6996 * config/ia64/lib1funcs.asm (__ia64_save_stack_nonlocal): Bundle.
6997 (__ia64_nonlocal_goto): Bundle. Don't kill r7.
6998 (__ia64_restore_stack_nonlocal): Likewise.
6999 (__ia64_trampoline): New.
7000 * config/ia64/sysv4.h (DBX_REGISTER_NUMBER): Defer to out of line
7002 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __trampoline.
7004 2000-08-08 Richard Henderson <rth@cygnus.com>
7006 * frame.h (ia64_frame_state): Add my_psp.
7007 * libgcc2.c (ia64_throw_helper): Add throw_sp argument.
7008 (__throw): Pass it in. Don't clobber r7.
7009 * config/ia64/frame-ia64.c (init_ia64_reg_loc): Mark inline.
7010 (execute_one_ia64_descriptor) [mem_stack_v]: Sets psp.when
7011 and nothing to do with sp.
7012 (normalize_reg_loc): Use frame->my_psp.
7013 (frame_translate): Handle frame-pointer-less functions. Set
7014 spill_base correctly, in absence of being told.
7015 (__build_ia64_frame_state): New sp argument. Fill in frame->my_sp.
7016 (__ia64_backtrace_helper): New sp argument. Use
7017 builtin_return_address instead of label addresses.
7018 (print_record) [mem_stack_v]: No size member.
7020 2000-08-08 Richard Henderson <rth@cygnus.com>
7022 * regclass.c (choose_hard_reg_mode): Iterate over all CC modes.
7024 2000-08-08 Richard Henderson <rth@cygnus.com>
7026 * tm.texi (LOCAL_REGNO): Document.
7027 * flow.c (LOCAL_REGNO, EPILOGUE_USES): Provide default.
7028 (mark_regs_live_at_end): Don't mark LOCAL_REGNO registers.
7029 * reload1.c (reload): Likewise when considering nonlocal labels.
7031 * config/ia64/ia64.h (LOCAL_REGNO): New.
7032 * config/sparc/sparc.h (LOCAL_REGNO): New.
7034 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
7036 * c-lex.c (yylex): Don't allow integer suffixes 'LUL', 'Ll', 'lL'.
7038 2000-08-07 Nick Clifton <nickc@redhat.com>
7040 * config/mips/mips.c: Fix compile time warning messages.
7041 * config/mips/mips-protos.h: Add prototype for equality_op.
7043 * mn10300.h (TARGET_SWITCHES): Document `-mam33'.
7045 2000-08-07 Graham Stott <grahams@cygnus.co.uk>
7047 * mn10300.md: Use nonimmediate_operand instead of general_operand
7050 * mn10300.h (PREFERRED_RELOAD_CLASS): Limit memory reloads.
7052 2000-08-07 Alexandre Oliva <aoliva@redhat.com>
7054 * sh.h (EXTRA_CONSTRAINT_Q): Adjust to GNU Coding Standards.
7055 * sh.c (expand_block_move): Break long lines.
7056 (expand_ashiftrt, fpscr_set_from_mem): Likewise.
7057 * sh.md (mulsi3): Likewise.
7058 (movdi): Adjust spacing.
7060 2000-08-07 Richard Henderson <rth@cygnus.com>
7062 * expmed.c (store_bit_field): Don't require MEM_IN_STRUCT_P.
7063 * expr.c (emit_group_store): Don't set it.
7065 2000-08-07 Kazu Hirata <kazu@hxi.com>
7067 * invoke.texi (Options for Debugging Your Program or GCC): Remove
7068 duplicate entries for 'w' and 'z'.
7070 * flow.c: Fix a comment typo.
7072 Sun Aug 6 23:47:35 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
7074 * c-parse.in: Changed the language string for Objective-C to "GNU
7077 Sun Aug 6 11:54:03 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
7079 * gthr-posix.h: Integrated Chris Ball's <cball@fmco.com> changes
7080 to improve the Posix thread support for Objective-C.
7082 2000-08-06 Joseph S. Myers <jsm28@cam.ac.uk>
7084 * c-common.h (enum c_tree_index): Add CTI_SIGNED_SIZE_TYPE and
7085 CTI_UNSIGNED_PTRDIFF_TYPE.
7086 (signed_size_type_node): Define.
7087 (unsigned_ptrdiff_type_node): Define.
7088 * c-decl.c (init_decl_processing): Create the
7089 signed_size_type_node and unsigned_ptrdiff_type_node types.
7090 * c-common.c (T_SC): Define.
7093 (print_char_table): Use T_SST for %zd, %zi, %zn. Use T_UPD for
7094 %to, %tu, %tx, %tX. Allow %hhn (T_SC). Add "c" to the flags for
7096 (scan_char_table): Use T_SC for %hhd, %hhi, %hhn. Use T_SST for
7097 %zd, %zi, %zn. Use T_UPD for %to, %tu, %tx, %tX. Add "c" to the
7098 flags for %c, %s and %[.
7099 (check_format_info): Only allow leniency for signedness of targets
7100 of character pointers (when pedantic) for formats flagged with
7101 "c", so for strings but not for %hh formats. When pedantic, don't
7102 allow character pointers to substitute for void pointers if a
7103 second level of indirection is present.
7105 2000-08-06 Kazu Hirata <kazu@hxi.com>
7107 * invoke.texi (Options for Debugging Your Program or GCC): Update
7108 the names of dump files.
7110 * h8300.c (dosize): Rearrange code for conciseness.
7111 (split_adds_subs): Likewise.
7113 * loop.c: Fix formatting.
7115 * dwarf2out.c: Fix formatting.
7117 * tm.texi (FUNCTION_ARG_PARTIAL_NREGS): Fix a typo.
7119 * expr.c: Fix formatting.
7121 2000-08-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7123 * rs6000.c (rs6000_maybe_dead): Prototype.
7125 2000-08-06 Richard Henderson <rth@cygnus.com>
7127 * stmt.c (expand_goto): Do virtual_stack_vars_rtx replacement for
7128 HAVE_nonlocal_goto as well.
7129 * config/i960/i960.md (nonlocal_goto): Don't do it here.
7130 * config/pj/pj.md (nonlocal_goto): Likewise.
7132 2000-08-07 Michael Hayes <mhayes@cygnus.com>
7134 * loop.c (try_swap_copy_prop): New function.
7135 (load_mems): Rename copies to load_copies and add new regset
7136 store_copies. Check for sets of shadow registers and mark
7137 in store_copies. Call try_swap_copy_prop for registers
7138 marked in store_copies.
7140 Sun Aug 6 00:54:42 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
7142 * objc/objc-act.c: New command line option -fconstant-string-class
7143 to allow specifying a user defined constant string class,
7144 different from NXConstantString.
7146 * toplev.c: Moved the Objective-C specific options to
7147 objc/lang-options.h.
7149 * objc/lang-options.h: Moved the Objective-C specific options from
7150 toplev.c. Added -fconstant-string-class.
7152 2000-08-05 Chris Demetriou <cgd@sibyte.com>
7154 * mips/elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
7155 DTOR_LIST_BEGIN, DTOR_LIST_END): change type of
7156 __CTOR_LIST__ from func_ptr array to just func_ptr, to
7157 avoid extra alignment imposed on arrays.
7158 * mips/elf64.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
7159 DTOR_LIST_BEGIN, DTOR_LIST_END): Likewise.
7161 * mips.h: Clean up comments and spacing near MASKs.
7162 (TARGET_UNIX_ASM): Delete.
7163 (MASK_MIPS16, MASK_NO_CHECK_ZERO_DIV, MASK_CHECK_RANGE_DIV,
7164 MASK_UNINIT_CONST_IN_RODATA): Change values to make mask
7167 2000-08-05 Joseph S. Myers <jsm28@cam.ac.uk>
7169 * c-common.c (print_char_table): Add entries for the X/Open '
7170 format flag (print decimals with locale's thousands grouping
7171 character). Make %C expect wint_t.
7172 (check_format_info): If pedantic, warn when the %n$ operand
7173 number form is used. Allow for the ' flag; warn about it if
7176 2000-08-05 Zack Weinberg <zack@wolery.cumb.org>
7178 * i386.h (FUNCTION_OK_FOR_SIBCALL): Not OK if DECL's return
7179 type is a float mode, cfun->decl's return type is not, and
7180 TARGET_FLOAT_RETURNS_IN_80387.
7182 2000-08-04 Andreas Schwab <schwab@suse.de>
7184 * cppmain.c (cb_def_pragma): Skip the first two tokens from the
7185 token list, which are always `#' and `pragma'.
7187 2000-08-04 Zack Weinberg <zack@wolery.cumb.org>
7189 * tree.c (tree_expr_nonnegative_p): Move to...
7190 * fold-const.c: ... here. Also handle BIND_EXPR and RTL_EXPR.
7191 (rtl_expr_nonnegative_p): New.
7192 * tree.h: Add prototype for rtl_expr_nonnegative_p.
7194 * real.h (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH, CONST_DOUBLE_MEM,
7195 CONST_DOUBLE_CHAIN: Move to...
7196 * rtl.h: ...here. Use XCINT/XCEXP.
7198 * Makefile.in: Remove toplev.o from OBJS. Add rule to make
7199 libbackend.a; add libbackend.a to STAGESTUFF. Add BACKEND
7200 variable. Use BACKEND when linking cc1, not OBJS. Add BACKEND
7203 * objc/Make-lang.in (cc1obj): Link with $(BACKEND).
7205 2000-08-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7207 * config/c4x/c4x.md (return_indirect_internal): New.
7208 * config/c4x/c4x.c (c4x_expand_epilogue): Use it.
7210 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
7212 * c-common.c (time_char_table): Mark up formats added in C99 and
7213 make other corrections. %D and %g were added in C99. %Og is an
7214 extension. %EX is permitted. %R, %T, %n, %r, %t were added in
7215 C99. %e was added in C99. %Oj is an extension. %G and %z are in
7216 C99 rather than GNU extensions, but %OG and %Oz are extensions.
7217 %h was added in C99. %C was added in C99. %OY and %OC are
7218 extensions. Add the C99 format %F.
7219 (check_format_info): If pedantic and not in C99 mode, warn for C99
7222 Fri Aug 4 23:01:58 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7224 * function.c (schedule_fixup_var_refs): New function, broken out
7225 of put_reg_into_stack.
7226 (put_reg_into_stack): Use it.
7227 (put_var_into_stack): In CONCAT case, fixup up references for
7228 components only after fixing up references to the whole concat.
7230 2000-08-04 Rodney Brown <RodneyBrown@pmsc.com>
7232 * alias.c (mark_constant_function): Use INSN_P.
7233 (init_alias_analysis): Likewise.
7234 * combine.c (combine_instructions): Use INSN_P.
7235 (can_combine_p): Likewise.
7236 (try_combine): Likewise.
7237 (distribute_notes): Likewise.
7238 (distribute_links): Likewise.
7239 * cse.c (cse_around_loop): Use INSN_P.
7240 (invalidate_skipped_block): Likewise.
7241 (cse_set_around_loop): Likewise.
7242 (cse_end_of_basic_block): Likewise.
7243 (delete_trivially_dead_insns): Likewise.
7244 * emit-rtl.c (unshare_all_rtl_again): Use INSN_P.
7245 (unshare_all_rtl_1): Likewise.
7246 (next_cc0_user): Likewise.
7247 (try_split make_insn_raw): Likewise.
7248 (remove_unnecessary_notes): Likewise.
7249 * final.c (shorten_branches): Use INSN_P.
7250 (leaf_renumber_regs): Likewise.
7251 (leaf_renumber_regs_insn): Likewise.
7252 * flow.c (find_label_refs): Use INSN_P.
7253 (verify_wide_reg): Likewise.
7254 (notice_stack_pointer_modification): Likewise.
7255 (count_or_remove_death_notes): Likewise.
7256 (verify_flow_info): Likewise.
7257 (clear_log_links): Likewise.
7258 * function.c (fixup_var_refs_insns): Use INSN_P.
7259 (compute_insns_for_mem): Likewise.
7260 * gcse.c (alloc_gcse_mem): Use INSN_P.
7261 (compute_sets): Likewise.
7262 (compute_hash_table): Likewise.
7263 (classic_gcse): Likewise.
7265 (insert_insn_end_bb): Likewise.
7266 (delete_null_pointer_checks_1): Likewise.
7267 * global.c (expand_preferences): Use INSN_P.
7268 (build_insn_chain): Likewise.
7269 * graph.c (node_data): Use INSN_P.
7270 * haifa-sched.c (priority): Use INSN_P.
7271 (rm_line_notes): Likewise.
7272 (rm_other_notes): Likewise.
7273 (find_insn_reg_weight): Likewise.
7274 (init_target_units): Likewise.
7275 (schedule_block): Likewise.
7276 (compute_block_forward_dependences): Likewise.
7277 (debug_dependencies): Likewise.
7278 (set_priorities): Likewise.
7279 * integrate.c (function_cannot_inline_p): Use INSN_P.
7280 (save_parm_insns): Likewise.
7281 (copy_insn_list): Likewise.
7282 * jump.c (mark_all_labels): Use INSN_P.
7283 (never_reached_warning): Likewise.
7284 * lcm.c (optimize_mode_switching): Use INSN_P.
7285 * local-alloc.c (validate_equiv_mem): Use INSN_P.
7286 (memref_used_between_p): Likewise.
7287 (update_equiv_regs): Likewise.
7288 (block_alloc): Likewise.
7289 (no_conflict_p): Likewise.
7290 * loop.c (scan_loop): Use INSN_P.
7291 (find_and_verify_loops): Likewise.
7292 (count_loop_regs_set): Likewise.
7293 (loop_reg_used_before_p): Likewise.
7294 (strength_reduce): Likewise.
7295 (recombine_givs): Likewise.
7296 (check_dbra_loop): Likewise.
7297 (load_mems): Likewise.
7298 (try_copy_prop): Likewise.
7299 * print-rtl.c (print_rtx): Use INSN_P.
7300 * recog.c (find_single_use): Use INSN_P.
7301 * reg-stack.c (stack_regs_mentioned): Use INSN_P.
7302 (next_flags_user): Likewise.
7303 (swap_rtx_condition): Likewise.
7304 * regmove.c (mark_flags_life_zones): Use INSN_P.
7305 (optimize_reg_copy_1): Likewise.
7306 (optimize_reg_copy_2): Likewise.
7307 (optimize_reg_copy_3): Likewise.
7308 (reg_is_remote_constant_p): Likewise.
7309 (fixup_match_2): Likewise.
7310 (regmove_optimize): Likewise.
7311 (fixup_match_1): Likewise.
7312 * regrename.c (build_def_use): Use INSN_P.
7313 (replace_reg_in_block): Likewise.
7314 (consider_use): Likewise.
7315 * reload.c (find_equiv_reg): Use INSN_P.
7316 * reload1.c (reload): Use INSN_P.
7317 (maybe_fix_stack_asms): Likewise.
7318 (calculate_needs_all_insns): Likewise.
7319 (reload_as_needed): Likewise.
7320 (emit_output_reload_insns): Likewise.
7321 (delete_address_reloads_1): Likewise.
7322 (reload_cse_regs_1): Likewise.
7323 (reload_combine): Likewise.
7324 (reload_cse_move2add): Likewise.
7325 * reorg.c (redundant_insn): Use INSN_P.
7326 (dbr_schedule): Likewise.
7327 * resource.c (find_dead_or_set_registers): Use INSN_P.
7328 (mark_target_live_regs): Likewise.
7329 * rtlanal.c (reg_used_between_p): Use INSN_P.
7330 (reg_referenced_between_p): Likewise.
7331 (reg_set_between_p): Likewise.
7332 (reg_set_p): Likewise.
7333 (single_set): Likewise.
7334 (multiple_sets): Likewise.
7335 (find_last_value): Likewise.
7336 (reg_set_last): Likewise.
7337 (find_reg_note): Likewise.
7338 (find_regno_note): Likewise.
7339 * sibcall.c (sequence_uses_addressof): Use INSN_P.
7340 * simplify-rtx.c (cselib_process_insn): Use INSN_P.
7341 * ssa.c (find_evaluations): Use INSN_P.
7342 (rename_block): Likewise.
7343 (rename_equivalent_regs): Likewise.
7344 * unroll.c (loop_find_equiv_value): Use INSN_P.
7345 (set_dominates_use): Likewise.
7346 * varasm.c (mark_constant_pool): Use INSN_P.
7347 (mark_constants): Likewise.
7348 * config/alpha/alpha.c (alpha_does_function_need_gp): Use INSN_P.
7349 (alphaev4_next_group): Likewise.
7350 (alphaev5_next_group): Likewise.
7351 * config/c4x/c4x.c (c4x_process_after_reload): Use INSN_P.
7352 (c4x_rptb_rpts_p): Likewise.
7353 * config/mips/mips.c (mips16_optimize_gp): Use INSN_P.
7354 * config/rs6000/rs6000.c (uses_TOC): Use INSN_P.
7355 (rs6000_adjust_priority): Likewise.
7356 * config/sh/sh.c (sh_loop_align): Use INSN_P.
7357 (machine_dependent_reorg): Likewise.
7358 (split_branches): Likewise.
7359 * config/tahoe/tahoe.c (tahoe_cmp_check): Use INSN_P.
7361 Fri Aug 4 11:43:49 2000 John Wehle (john@feith.com)
7363 * combine.c (recog_for_combine): Remove the old notes
7364 prior to attempting to recognize the new pattern.
7365 (distribute_notes): Ignore REG_NONNEG notes.
7367 2000-08-04 Chandrakala Chavva <cchavva@redhat.com>
7369 * varasm.c (output_constructor): Add .align 0 for packed vars.
7371 2000-08-04 J. David Anglin <dave@hiauly1.hia.nrc.ca>
7373 * configure.in: Use default thread_file even when enable_threads is
7374 yes or dce because hpux10.20 pa port uses MULTILIB implementation.
7375 * configure: Rebuilt.
7377 * gthr-dce.h (__gthread_objc_condition_allocate): Fix typo.
7379 2000-08-04 Donn Terry (donnte@microsoft.com)
7381 * prefix.c (translate_name): Don't strip trailing DIR_SEPARATOR.
7383 2000-08-04 Mark Elbrecht <snowball3@bigfoot.com>
7385 * i386/x-djgpp: Delete code that conditionally modifies target_alias.
7386 Delete code that conditionally modifies 'version'.
7387 Delete X_CPPFLAGS. Add comment for SYSTEM_HEADER_DIR.
7388 * i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): New macro.
7389 * gcc.c (main): Use it.
7390 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): New macro.
7391 * prefix.c (update_path): Use it.
7392 * i386/djgpp.h (STANDARD_INCLUDE_DIR): Define.
7393 (MD_EXEC_PREFIX): Set to '/dev/env/DJDIR/bin/'.
7394 (ASM_OUTPUT_SECTION_NAME): Add code attribute to sections containing
7396 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Default to true.
7397 (SUBTARGET_SWITCHES): Adjust.
7398 (WCHAR_UNSIGNED, WCHAR_TYPE_SIZE, WCHAR_TYPE): Undefine before
7400 (WINT_TYPE, SIZE_TYPE, PTRDIFF_TYPE): Define.
7402 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
7404 * c-common.h (flag_isoc94): Declare.
7405 * c-decl.c (flag_isoc94): Define.
7406 (c_decode_option): Set flag_isoc94 as appropriate.
7407 * c-common.c (T_PD, T_IM, T_UIM): Define.
7408 (format_char_info): Add tlen and jlen.
7409 (print_char_table): Add entries for %t and %j. Allow %zn. Allow
7411 (scan_char_table): Add entries for %t and %j. Allow %F. Allow
7413 (time_char_table): Add NULL entries for %t and %j.
7414 (check_format_info): Allow for %t and %j. Warn for %F if pedantic
7415 and not C99. Warn for %lc, %ls and %l[ if pedantic and not C94.
7416 Warn for printf %lf if pedantic and not C99. Don't warn for empty
7417 precision. Allow precision argument to be unsigned int. If
7418 pedantic, warn for %p passed an argument not a pointer to possibly
7419 qualified void or a possibly qualified character type, and for
7420 pointer targets of the wrong sign, except for character pointers.
7422 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
7424 * ginclude/stddef.h: Don't declare wint_t unless __need_wint_t.
7425 * c-common.h (enum c_tree_index): Add CTI_WINT_TYPE.
7426 (wint_type_node): Define.
7427 * c-decl.c (WINT_TYPE): Define.
7428 (init_decl_processing): Create the wint_type_node type.
7429 * c-common.c (T_WI): Define.
7430 (print_char_table): Use T_WI for %lc format.
7432 2000-08-04 Bruce Korb <bkorb@gnu.org>
7434 * fixinc/: Verified that the MSDOS patch does not break
7435 the UNIX functionality and applied the next three patches
7438 2000-07-28 Eli Zaretskii <eliz@is.elta.co.il>
7440 * fixinc/fixfixes.c (main) [__MSDOS__]: Avoid overwriting the
7441 output file with the temporary one by appending ".X" to generate
7442 the temporary fuile's name. If the output file already has an
7443 extension, replace it with ".X".
7445 * fixinc/fixincl.c (fix_with_system) [__MSDOS__]: Use $ORIGDIR,
7446 not $DESTDIR, to find applyfix. Use sprintf instead of snprintf;
7447 reallocate the command buffer while copying the command-line
7448 argument. Redirect the output directly to the temporary file,
7449 instead of going through another temporary file.
7450 (process): Close the temporary file before unlinking it.
7451 (machine_matches) [__MSDOS__]: If the machine doesn't match, set
7452 the FD_SKIP_TEST flag. Pay attention to the FD_MACH_IFNOT flag.
7453 (run_compiles): Pass p_fixd argument to machine_matches, as it
7456 * fixinc/fixincl.sh: Export ORIGDIR. If $DJDIR is set in the
7457 environment, assume there are no symlinks in the include
7458 directory. When cleaning up the DONE files, look for them
7459 case-insensitively. Don't try to remove symlinks if they aren't
7462 * fixinc/fixlib.c (make_raw_shell_str): Accept new argument smax;
7463 all callers changed. Declare pz "const char *", to avoid compiler
7466 * fixinc/fixlib.h (ENV_TABLE): Get ORIGDIR from the environment.
7467 Change prototype of make_raw_shell_str.
7469 2000-07-27 Eli Zaretskii <eliz@is.elta.co.il>
7471 * fixinc/fixincl.c [__MSDOS__]: Don't include "server.h".
7472 (initialize) [__MSDOS__]: Use tempnam.
7473 (initialize): Don't use SIGPIPE if it is not defined.
7475 * fixinc/fixfixes.c (main) [__MSDOS__]: freopen for stdout should
7478 2000-07-25 Bruce Korb <bkorb@gnu.org>
7480 * fixinc/fix*.[ch]: substantially reworked to make it possible
7481 to run this program without using fork(2) or pipe(2) (i.e. in
7484 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
7486 * cppdefault.h (WINT_TYPE): Define.
7487 * cppinit.c (builtin_array): Define __WINT_TYPE__.
7488 * tradcpp.c (initialize_builtins): Define __WINT_TYPE__.
7489 * tm.texi (NO_BUILTIN_WINT_TYPE, WINT_TYPE): Document.
7491 Fri Aug 4 06:53:46 2000 Clinton Popetz <cpopetz@cygnus.com>
7493 * (mips_legitimate_address_p): Don't allow register+offset
7494 if the offset is large and negative, and we are compiling
7495 for 64 bit registers.
7497 2000-08-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7499 * gencodes.c (main): Define CODE_FOR_nothing as the last possible
7500 insn_code_number + 1.
7502 2000-08-04 Kazu Hirata <kazu@hxi.com>
7504 * h8300.c (function_prologue): Rearrange code for conciseness.
7505 (function_epilogue): Likewise.
7506 * h8300.h (OK_FOR_U): Fix formatting.
7508 * cse.c: Fix a comment typo. Fix formatting.
7510 2000-08-03 Richard Henderson <rth@cygnus.com>
7512 * config/i386/i386.md (return_indirect_internal): New.
7513 * config/i386/i386.c (ix86_expand_epilogue): Use it.
7515 2000-08-03 Zack Weinberg <zack@wolery.cumb.org>
7517 * cpplex.c (parse_name): Might have to glue a CPP_OTHER token
7519 (lex_line): Glue @ onto the beginning of identifiers and
7520 string constants, in Objective-C mode.
7521 (output_token, spell_token): Handle CPP_OSTRING.
7522 (can_paste, maybe_paste_with_next): Handle pasting @ onto the
7523 beginning of a NAME or a STRING, in objc mode.
7525 * cpplib.c (get_define_node): Do not permit identifiers that
7526 begin with @ to be #defined.
7527 * cppmacro.c (CAN_PASTE_AFTER): Add CPP_OTHER.
7528 * cpplib.h (TTYPE_TABLE): Add CPP_OSTRING.
7530 * c-lang.c, objc/objc-act.c (build_objc_string): Delete.
7531 * c-tree.h (build_objc_string): Delete prototype.
7532 * objc/objc-tree.def: Delete OBJC_STRING_CST.
7533 * c-lex.c (yylex): Use build_string for all three kinds of strings.
7535 * c-parse.in, objc/objc-act.c: Update commentary.
7537 2000-08-03 Mark Mitchell <mark@codesourcery.com>
7539 * extend.texi: Fix typo in last change.
7541 * extend.texi: Add commentary on statement-expressions and their
7542 interactions with C++.
7544 2000-08-03 Nick Clifton <nickc@cygnus.com>
7546 * dwarf2.h (DW_LANG_Java): Change value to 0x000b.
7547 * dwarf.h (LANG_JAVA): Change value to 0x000b.
7549 2000-08-03 Anthony Green <green@cygnus.com>
7551 * dwarf2out.c (gen_compile_unit_die): Add java language support.
7552 (add_bound_info): Check for java language.
7553 (is_java): New function.
7554 * dwarfout.c (output_compile_unit_die): Ditto.
7555 * dwarf.h (dwarf_source_language): Add java source language type.
7556 * dwarf2.h (dwarf_source_language): Ditto.
7558 Thu Aug 3 20:32:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
7560 * reg-stack.c (subst_stack_regs_pat): Use replace_reg to swap
7563 * i386.c (ix86_expand_branch): Mode of comparison in
7564 IF_THEN_ELSE is VOIDmode.
7566 Thu Aug 3 10:05:53 2000 Akiko Matsushita <matusita@sra.co.jp>
7568 * gengenrtl.c, rtl.c: Avoid #elif.
7570 2000-08-03 Michael Poole <poole@troilus.org>
7572 * tm.texi (Register Classes): Clarify order of sub-initializers
7573 in REG_CLASS_CONTENTS.
7575 Thu Aug 3 15:53:03 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7577 From SAITOH Masanobu:
7578 * sh.h (ASM_OUTPUT_REG_PUSH): Fix syntax.
7580 2000-08-03 David Billinghurst <David.Billinghurst@riotinto.com.au>
7582 * config/i386/cygwin.h: Remove -remap from CPP_SPEC since this option
7583 is not supported by tradcpp and isn't actually needed for cygwin.
7585 2000-08-03 Kazu Hirata <kazu@hxi.com>
7587 * h8300.c: Fix a comment typo.
7588 * h8300.h (OK_FOR_U): Accept a 32-bit constant address on H8/S.
7590 * jump.c: Fix formatting.
7592 * toplev.c: Fix formatting.
7594 Thu Aug 3 01:05:32 2000 Jeffrey A Law (law@cygnus.com)
7596 * flow.c (find_auto_inc): Verify that we've got a REG before
7597 peeking at its regno. Fail, don't abort if we can't find
7598 the increment of the desired register.
7600 * pa.md (shadd height reduction patterns/splitters): Remove.
7602 2000-08-02 Jim Wilson <wilson@cygnus.com>
7604 * config/ia64/ia64-protos.h (flag_ssa): Declare.
7605 * config/ia64/ia64.md (movti_internal, movti_internal+1): New.
7607 2000-08-02 Mark Mitchell <mark@codesourcery.com>
7609 * dce.c: Remove all uses of assert.
7610 * dwarf2out.c: Likewise.
7611 * dwarfout.c: Likewise.
7614 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
7616 * gcc.h (lang_specific_driver): Constify second argument.
7617 * gcc.c (translate_options, process_command, main): Likewise.
7618 Constify variables to match. Cast second argument to
7621 * cppspec.c, gccspec.c: Adjust type of second argument to
7622 lang_specific_driver, and update code as necessary.
7624 2000-08-02 Jakub Jelinek <jakub@redhat.com>
7626 * loop.c (scan_loop): Ensure update_end label does not
7627 go away until reg_scan_update is run.
7629 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
7631 * c-common.h: Prototype min_precision and c_build_qualified_type here...
7632 * c-tree.h: ... not here.
7633 * errors.h: Prototype fancy_abort.
7635 * emit-rtl.c (gen_lowpart_common): Move variable 'c' into
7636 HOST_BITS_PER_WIDE_INT == 64 ifdef block.
7637 * regrename.c (regrename_optimize): Make control flow explicit.
7638 (replace_reg_in_block): Initialize reg_use to 0.
7640 * i386.c (legitimate_address_p): Rename error label to
7641 report_error to avoid namespace clash.
7643 2000-08-02 Kazu Hirata <kazu@hxi.com>
7645 * fold-const.c: Fix formatting.
7647 Wed Aug 2 16:26:15 MET DST 2000 Jan Hubicka <jh@suse.cz>
7649 * i386.c (legitimate_address_p): Accept other bases than
7650 pic_offset_table_rtx for GOTOFF constructs.
7652 Wed Aug 2 15:59:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
7654 * i386.md (shift to lea splitter): Use const_int_operand.
7656 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
7658 * cppexp.c, cppinit.c, cpplex.c, cpplib.c, cppmacro.c,
7659 cppspec.c: Do not use 'legal' or 'illegal' in error messages
7662 * cppmain.c (cb_define, cb_undef): Don't generate any output
7663 if not done_initializing.
7664 * cpplex.c (maybe_paste_with_next): When the token after a ##
7665 is an omitted rest argument, only delete the token before it
7666 if that token is a comma. Do not warn about bogus token
7667 pastes for , ## rest_arg.
7670 * cpp.1: Regenerate.
7672 2000-08-02 Fred Fish <fnf@be.com>
7674 * config/i386/beos-elf.h (STARTFILE_SPEC): Add i386-mcount.o
7675 when user gives -p option. Add init_term_dyn.o for BeOS 5.0
7678 * config/i386/beos-elf.h (INCLUDE_DEFAULTS): Add additional
7679 Be directories to search path.
7681 Remove support for __declspec(dllimport) and __declspec(dllexport).
7682 This is leftover cruft from the earlier BeOS gcc port when BeOS
7683 used Microsoft's PE object file format.
7684 * configure.in (i*86-*-beoself): Remove extra_objs=winnt.o.
7685 * config/i386/t-beos (winnt.o): Remove Makefile frag.
7686 * config/i386/beos-elf.h (TARGET_NOP_FUN_DLLIMPORT): Remove.
7687 (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
7688 (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
7689 (MERGE_MACHINE_DECL_ATTRIBUTES): Remove.
7690 (REDO_SECTION_INFO_P): Remove.
7691 (ASM_EXPORT_DECL): Remove.
7692 (ASM_DECLARE_FUNCTION_NAME): Remove.
7693 (ASM_DECLARE_OBJECT_NAME): Remove.
7694 (ASM_OUTPUT_ALIGNED_COMMON): Remove.
7695 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Remove.
7696 (ASM_OUTPUT_ALIGNED_LOCAL): Remove.
7697 (STRIP_NAME_ENCODING): Remove.
7699 Remove support for obsolete version of BeOS that is no longer
7701 * configure.in (i*86-*-beospe*): Remove.
7702 * config/i386/beos-pe.h: Remove.
7704 2000-08-01 Jeffrey Oldham <oldham@codesourcery.com>
7705 Mark Mitchell <mark@codesourcery.com>
7707 * Makefile.in (OBJS): Added dce.o.
7708 (ssa.o): Updated target to include ssa.h.
7710 (toplev.o): Likewise.
7711 (dce.o): Created target.
7712 * basic-block.h: Added comments.
7713 (INVALID_BLOCK): Added definition.
7714 (connect_infinite_loops_to_exit): Added declaration.
7715 Moved SSA declarations to ssa.h.
7716 * flow.c: Added inclusion of ssa.h.
7717 (struct depth_first_search_dsS, depth_first_search_ds):
7719 (compute_immediate_postdominators): Added definition.
7720 (connect_infinite_loops_to_exit): Likewise.
7721 (flow_dfs_compute_reverse_init): Likewise.
7722 (flow_dfs_compute_reverse_add_bb): Likewise.
7723 (flow_dfs_compute_reverse_execute): Likewise.
7724 (flow_dfs_compute_reverse_finish): Likewise.
7725 * rtl.h (rtx/in_struct): Added use to determine insn necessity.
7726 (LABEL_P): Added definition.
7729 (BARRIER_P): Likewise.
7730 (JUMP_TABLE_DATA_P): Likewise.
7731 (INSN_DEAD_CODE_P): Likewise.
7732 * ssa.c: Replaced inclusions with ssa.h inclusion.
7733 (CONVERT_HARD_REGISTER_TO_SSA_P): Moved to ssa.h.
7734 (rename_registers): Removed unnecessary variables.
7735 * ssa.h: Created by moving declarations from ssa.c and
7737 * timevar.def: Defined TV_DEAD_CODE_ELIM.
7738 * toplev.c: Added ssa.h inclusion.
7739 (dump_file_index): Added DFI_dce.
7740 (dump_file): Added "dce" entry.
7742 (f_options): Added dce entry.
7743 * invoke.texi: Document -fdce. Emphasize experimental status of
7747 2000-08-01 Zack Weinberg <zack@wolery.cumb.org>
7749 * cpperror.c (v_message): Split into _cpp_begin_message and
7750 v_message macro. All callers updated.
7751 (_cpp_begin_message): Do inhibit_errors/inhibit_warnings
7754 * cppfiles.c (cpp_syshdr_flags): New function.
7755 (read_include_file): Don't call cpp_output_tokens. Call
7757 * cppinit.c (dump_macros_helper): Moved to cppmain.c.
7758 (cpp_reader_init): Don't initialize token_buffer. Call
7759 _cpp_init_internal_pragmas.
7760 (cpp_cleanup): Don't clear token_buffer.
7761 (cpp_start_read): Don't worry about output from -D processing.
7762 Don't call cpp_output_tokens.
7763 (cpp_finish): Don't dump macros here. Don't call
7765 * cppmacro.c (_cpp_dump_definition): Rename
7766 cpp_dump_definition. Write directly to a FILE *.
7767 (dump_funlike_macro): Delete.
7768 (dump_macro_args): New.
7770 * cpplex.c (TOKEN_LEN): Convert to inline function.
7771 (_cpp_grow_token_buffer, safe_fwrite, cpp_output_tokens,
7772 cpp_scan_line, _cpp_dump_list): Delete.
7773 (cpp_printf, cpp_output_list): New.
7774 (output_line_command): Don't worry about entering or leaving files.
7775 (cpp_scan_buffer): Just output each token as we hit it.
7776 (process_directive): Don't call cpp_output_tokens.
7777 (_cpp_glue_header_name): Don't use token_buffer.
7778 (output_token, dump_param_spelling): Write directly to a FILE *.
7780 * cpplib.c (pass_thru_directive, dump_macro_name,
7781 pragma_dispatch, do_pragma_gcc): Delete.
7782 (do_define, do_undef, parse_include, do_line, do_ident, do_pragma,
7783 do_pragma_poison, cpp_pop_buffer): Call the appropriate hook
7785 (do_error, do_warning, pragma_dependency): Call
7786 _cpp_begin_message, then cpp_output_list.
7787 (cpp_register_pragma, cpp_register_pragma_space,
7788 _cpp_init_internal_pragmas): New.
7789 (do_pragma): Walk the pragmas table here.
7790 (do_pragma_once, do_pragma_poison, do_pragma_system_header,
7791 do_pragma_dependency): Return void.
7792 (do_pragma_implementation): Moved to cppmain.c.
7794 * cpplib.h: Update prototypes.
7795 (struct cpp_reader): Remove printer, token_buffer,
7796 token_buffer_size, and limit. Add struct cb, and pragmas.
7797 (struct cpp_printer): Remove last_id and written.
7798 (CPP_WRITTEN, CPP_PWRITTEN, CPP_SET_WRITTEN,
7799 CPP_ADJUST_WRITTEN): Delete.
7800 * cpphash.h: Update prototypes.
7801 (ufputs): New wrapper.
7803 * cppmain.c (cb_define, cb_undef, cb_include, cb_ident,
7804 cb_enter_file, cb_leave_file, cb_def_pragma): New functions.
7805 (main): Set up callbacks. Register #pragma implementation.
7806 Dump macros from here.
7808 2000-08-01 Geoff Keating <geoffk@cygnus.com>
7810 * rtl.h (enum reg_note): Add REG_MAYBE_DEAD.
7811 * rtl.c (reg_note_name): Add REG_MAYBE_DEAD.
7812 * flow.c (propagate_one_insn): Allow deletion of prologue/epilogue
7813 insns if they have a REG_MAYBE_DEAD note attached.
7814 * config/rs6000/rs6000.c (rs6000_maybe_dead): New function.
7815 (rs6000_emit_load_toc_table): TOC loads may go dead.
7817 2000-08-01 Jim Wilson <wilson@cygnus.com>
7819 * config/ia64/ia64.c (ia64_function_arg): Fix last change. Verify
7820 type exists before using it. Use number of words as alignment
7822 (ia64_function_arg_partial_nregs, ia64_function_arg_advance,
7823 ia64_va_arg): Propagate ia64_function_args changes here.
7825 2000-08-01 Richard Henderson <rth@cygnus.com>
7827 * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Care for null DECL.
7828 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
7830 2000-08-01 Bernd Schmidt <bernds@cygnus.co.uk>
7832 From Joern Rennecke:
7833 * sh.h (CPP_SPEC, TARGET_SWITCHES): Add m4-nofpu.
7834 * sh.md (udivsi3, divsi3): Don't use libcalls that use the FPU
7835 unless TARGET_SH3E is set.
7836 * t-sh (MULTILIB_MATCHES): Add m2=m4-nofpu.
7838 * sh.md (ashlsi3_d, ashlsi3_k): Remove, replace with
7839 (ashlsi3_std): New pattern.
7840 (ashlsi3 expander): Use it for TARGET_SH3.
7841 * sh.c (gen_ashift): Use it instead of ashlsi3_k.
7843 Tue Aug 1 12:34:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
7845 * loop.c (canonicalize_condition): Use destination, not source to
7846 determine SET's mode.
7848 2000-07-31 Mark Mitchell <mark@codesourcery.com>
7850 * flow.c (clear_log_links): Fix typo.
7852 Mon Jul 31 22:19:24 2000 Jeffrey A Law (law@cygnus.com)
7854 * loop.c (check_dbra_loop): Make change from July 17, 2000 work
7855 on targets which need more than one insn for a compare/cbranch
7858 2000-07-31 Jim Wilson <wilson@cygnus.com>
7860 * config/ia64/ia64.c (ia64_function_arg): Use alignment not size
7861 when computing offset.
7863 Mon Jul 31 20:35:50 2000 Denis Chertykov <denisc@overta.ru>
7865 * genpeep.c (main): Handle DEFINE_PEEPHOLE2.
7867 2000-07-31 Geoff Keating <geoffk@cygnus.com>
7869 * flow.c (clear_log_links): Nuke global_live_at_start and
7870 global_live_at_end data, since if the log_links stuff is invalid
7871 so is global_live_at_*.
7873 2000-07-31 Richard Henderson <rth@cygnus.com>
7875 * tm.texi (Addressing Modes): Clarify PRE/POST_MODIFY descriptions.
7877 2000-07-31 Jakub Jelinek <jakub@redhat.com>
7879 * cpplex.c (_cpp_get_line): If index is 0, return line 0 col 0.
7880 (_cpp_get_token): Don't macro expand a just pasted token if it
7881 was pasted at no_expand_level.
7883 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
7885 * cppmacro.c (find_param, count_params, save_expansion):
7886 Permit 'defined' as a macro parameter name.
7888 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
7890 * Makefile.in: Rename cpp to cpp0, tradcpp to tradcpp0, and
7891 xcpp to cpp throughout.
7892 (native): Remove unnecessary dependency on cpp.
7894 * gcc.c (trad_capable_cpp, C specs): Rename cpp to cpp,
7895 tradcpp to tradcpp0.
7896 (.i spec): Add missing output-file spec to cc1 command line.
7897 * objc/lang-specs.h: Rename cpp to cpp0 and/or tradcpp to tradcpp0.
7899 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
7901 * c-decl.c (mesg_implicit_function_declaration): Init to -1.
7902 (implicit_decl_warning): New function.
7903 (implicitly_declare): Use it.
7904 * c-typeck.c (build_external_ref): Use implicit_decl_warning
7905 to complain about implicit decls of builtins.
7907 * c-lang.c (lang_init): Set mesg_implicit_function_declaration
7908 based on pedantic && flag_isoc99, if not already set.
7909 * c-tree.h: Declare mesg_implicit_function_declaration.
7910 Prototype implicit_decl_warning.
7912 2000-07-30 Jeffrey D. Oldham <oldham@codesourcery.com>
7914 * Makefile.in (ssa.o): Updated header files in dependences.
7915 * basic-block.h: Added compute_immediate_postdominators declaration.
7916 * config/i386/i386.h (CONVERT_HARD_REGISTER_TO_SSA_P): Added
7918 * flow.c (compute_immediate_dominators): Updated comment.
7919 (compute_immediate_postdominators): Added definition.
7920 * rtl.h (HARD_REGISTER_P): Added definition.
7921 * ssa.c: Include additional header files.
7922 (assert): Added definition.
7923 (ssa_rename_to_lookup): Added to reimplement ssa_rename_to to
7924 include select hard registers.
7925 (ssa_rename_to_insert): Likewise.
7926 (ssa_rename_from_initialize): Likewise.
7927 (ssa_rename_from_lookup): Likewise.
7928 (original_register): Likewise.
7929 (ssa_rename_from_insert): Added to reimplement ssa_rename_from to
7930 include select hard reigsters.
7931 (ssa_rename_from_traverse): Likewise.
7932 (ssa_rename_from_free): Likewise.
7933 (ssa_rename_from_print): Likewise.
7934 (ssa_rename_from_print_1): Likewise.
7935 (ssa_rename_from_hash_function): Likewise.
7936 (ssa_rename_from_equal): Likewise.
7937 (ssa_rename_from_delete): Likewise.
7938 (simplify_to_immediate_dominators): Removed in favor of
7939 flow.c:compute_immediate_dominators.
7940 (find_evaluations_1): Modified to work with hard registers.
7941 (insert_phi_node): Likewise.
7942 (insert_phi_nodes): Likewise.
7943 (struct rename_set_data): Updated prev_reg comment.
7944 (create_delayed_rename): Modified to work with hard registers.
7945 (RENAME_NO_RTX): Updated comment.
7946 (apply_delayed_renames): Modified to work with hard registers.
7947 (rename_insn_1): Likewise and added handling of CLOBBER rtls.
7948 (rename_block): Updated to use revised ssa_rename_to interface.
7949 (rename_registers): Updated to use revised ssa_rename_to and
7950 ssa_rename_from interface.
7951 (convert_to_ssa): Revised to use compute_immediate_dominators and
7952 deal with hard registers.
7953 (make_regs_equivalent_over_bad_edges): Modified to work with hard
7954 registers. Added check for illegal unification of hard register.
7955 (make_equivalent_phi_alternatives_equivalent): Modified to work
7956 with hard registers.
7957 (compute_conservative_reg_partition): Likewise.
7958 (coalesce_if_unconflicting): Modified to work with hard registers
7959 and check for conflicting hard registers.
7960 (mark_phi_and_copy_regs): Revised loop to work only on pseudo
7962 (rename_equivalent_regs_in_insn): Modified to work with hard
7964 (record_canonical_element_1): Added definition.
7965 (check_hard_regs_in_partition): Added definition.
7966 (convert_from_ssa): Added data structure deallocation and check
7967 for illegal hard register unification.
7968 (conflict_hard_regs_p): Added definition.
7969 * toplev.c (rest_of_compilation): Added comment.
7971 2000-07-31 Anthony Green <green@redhat.com>
7973 * config/ia64/crtbegin.asm (__EH_FRAME_BEGIN__): Align correctly.
7975 2000-07-31 Jason McMullan <jmcmullan@linuxcare.com>
7977 * builtins.c (expand_builtin_apply): Don't defer pop during
7980 2000-07-31 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7982 * calls.c (combine_pending_stack_adjustment_and_call): Only use
7983 preferred_unit_stack_boundary when it is > 1.
7985 2000-07-31 Joseph S. Myers <jsm28@cam.ac.uk>
7987 * c-common.c (init_function_format_info): Add C99 format functions
7990 * c-decl.c (get_parm_info): Don't treat 'const void', 'volatile
7991 void' or 'register void' as being the special case of 'void' alone
7992 in a parameter list.
7994 * c-typeck.c (build_c_cast): Change -Wcast-qual pedwarn for
7995 discarding qualifiers into a plain warning.
7997 2000-07-31 Kazu Hirata <kazu@hxi.com>
7999 * combine.c: Fix formatting.
8001 * h8300.md: Fix formatting.
8003 * local-alloc.c: Fix formatting.
8005 * h8300.c (get_shift_alg): Remove the variable alg.
8006 (emit_a_shift): Rearrange code to improve readability.
8008 * h8300.md (movsi_h8300hs): Rearrange code to improve readability.
8010 * h8300.h (MODES_TIEABLE_P): Accept a combination of QImode and
8011 HImode on all architectures and a combination of HImode and SImode
8012 on H8/300H and H8/S.
8014 * h8300.c (split_adds_subs): Rearrange code for conciseness.
8016 Mon Jul 31 12:27:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
8018 * i386.md (addsi to lea splitter, ashlqi3_1_lea): Fix bugs
8021 Mon Jul 31 10:41:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
8023 * recog.c (extract_insn): Set operand_mode according to
8024 operand if match_operand is VOIDmode.
8026 Mon Jul 31 10:36:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
8028 * recog.c (validate_replace_rtx_1): Do not abort for (nil) expression.
8030 2000-07-31 Geoff Keating <geoffk@cygnus.com>
8032 * c-parse.in (extdefs): Call ggc_collect between external
8035 2000-07-30 Michael Hayes <mhayes@cygnus.com>
8036 Richard Henderson <rth@cygnus.com>
8038 * Makefile.in (OBJS): Add doloop.o.
8039 * doloop.c: New file.
8041 * final.c (insn_current_reference_address): Return 0 before final.
8042 * flags.h (flag_branch_on_count_reg): Fix typos in commentary.
8043 * jump.c (any_uncondjump_p): Likewise.
8044 * loop.c (indirect_jump_in_function): Make static.
8045 (strength_reduce): Call doloop_optimize.
8046 (insert_bct, instrument_loop_bct): Remove.
8047 * loop.h (doloop_optimize): Prototype.
8048 * recog.c (split_all_insns): Split all INSN_P.
8049 * toplev.c (flag_branch_on_count_reg): Default on.
8051 * config/c4x/c4x.c (c4x_optimization_options): Don't set
8052 flag_branch_on_count_reg.
8053 * config/i386/i386.c (override_options): Likewise.
8054 * config/rs6000/rs6000.c (optimization_options): Likewise.
8056 * config/i386/i386.md (decrement_and_branch_on_count): Remove.
8058 (dbra_ge): Remove, as well as all it's splitters.
8060 * config/rs6000/rs6000.md (decrement_and_branch_on_count): Remove.
8063 * config/ia64/ia64-protos.h (ar_lc_reg_operand): Declare.
8064 (ia64_register_move_cost): Declare.
8065 * config/ia64/ia64.c (ar_lc_reg_operand): New.
8066 (struct ia64_frame_info): Add ar_size.
8067 (ia64_compute_frame_size): Set it.
8068 (save_restore_insns): Save and restore ar.lc.
8069 (ia64_register_move_cost): New, moved from header file. Handle
8070 application registers.
8071 (REG_AR_PFS, REG_AR_EC): Remove. Replace with AR_*_REGNUM numbers.
8072 (emit_insn_group_barriers): Special case doloop_end_internal.
8073 (ia64_epilogue_uses): Mark ar.lc live at end.
8074 * config/ia64/ia64.h (AR_CCV_REGNUM, AR_LC_REGNUM): New registers.
8075 (AR_EC_REGNUM, AR_PFS_REGNUM): New registers.
8076 (FIRST_PSEUDO_REGISTER): Make room.
8077 (AR_M_REGNO_P, AR_I_REGNO_P, AR_REGNO_P): New.
8078 (FIXED_REGISTERS, CALL_USED_REGISTERS): Update.
8079 (REG_ALLOC_ORDER): Update.
8080 (HARD_REGNO_MODE_OK): Update.
8081 (REGISTER_NAMES): Update.
8082 (enum reg_class): Add AR_M_REGS and AR_I_REGS.
8083 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
8084 (REGNO_REG_CLASS): Update.
8085 (LEGITIMATE_ADDRESS_DISP): Displacement range is 9 bits, not 10.
8086 (REGISTER_MOVE_COST): Move out of line.
8087 (PREDICATE_CODES): Update.
8088 * config/ia64/ia64.md (movdi patterns): Handle ar register classes.
8089 (addsi3_plus1_alt, adddi3_plus1_alt): New.
8090 (shladd_elim splitter): Allow constants in the predicate.
8091 (doloop_end, doloop_end_internal): New.
8093 2000-07-30 Richard Henderson <rth@cygnus.com>
8095 * genattrtab.c (struct insn_def): Add lineno member.
8096 (struct insn_ent): Likewise.
8097 (struct attr_desc): Likewise.
8098 (struct delay_desc): Likewise.
8099 (struct function_unit_op): Likewise.
8100 (struct function_unit): Likewise.
8101 (check_attr_value): Use message_with_line.
8102 (check_defs): Likewise.
8103 (expand_units): Likewise.
8104 (check_attr_test): Take a lineno argument.
8105 (gen_attr): Likewise.
8106 (gen_insn): Likewise.
8107 (gen_delay): Likewise.
8108 (gen_unit): Likewise.
8109 (main): Give it to them.
8110 (convert_set_attr_alternative): Take an insn_def argument
8111 instead of num_alt and insn_index.
8112 (convert_set_attr): Likewise.
8113 (write_test_expr): Protect INSN_ADDRESSES load
8114 with INSN_ADDRESSES_SET_P.
8116 2000-07-30 Richard Henderson <rth@cygnus.com>
8118 * flow.c (init_propagate_block_info): Use pc_set.
8120 Sun Jul 30 20:58:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
8122 * i386.md (*lea_general_[123]) New insns and splits.
8123 (addsi3 to lea splitter): Handle other modes too.
8124 (shlsi3 to lea splitter): Likewise.
8125 (addhi_1_lea, shlhi_1_lea): New patterns.
8126 (addhi_1, shlhi_1): Conditionize by PARTIAL_REG_STALL.
8128 Sun Jul 30 20:51:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
8130 * recog.c (general_operand, nonimmediate_operand): Accept
8131 any mode for VOIDmode CONSTANT_P operands.
8133 Sun Jul 30 20:42:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
8135 * gcse.c (try_replace_reg): Use validate_replace_rtx_subexp
8136 instead of replace_rtx.
8137 * recog.c (validate_replace_rtx_subexp): New function.
8138 * recog.h (validate_replace_rtx_subexp): Declare.
8140 Sun Jul 30 20:38:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
8142 * combine.c (simplify_set, make_extraction, make_compound_operation
8143 make_field_assignment): Use full mask instead of GET_MODE_MASK (mode)
8144 as force_to_mode argument.
8146 Sun Jul 30 20:30:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
8148 * combine.c (if_then_else_cond): Be sure that mode fits in
8151 Sun Jul 30 20:27:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
8153 * combine.c (record_promoted_value): Allow bitsize of mode
8154 to be equivalent to HOST_BITS_PER_WISE_INT.
8156 Sun Jul 30 20:25:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
8158 * function.c (assign_stack_local_1, assign_stack_temp_for_type):
8159 Do not call gen_mode_alignment when mode is BLKmode.
8161 Sun Jul 30 20:21:54 MET DST 2000 Jan Hubicka <jh@suse.cz>
8163 * loop.c (express_from_1): Fix call of simplify_gen_binary.
8165 Sun Jul 30 20:08:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
8167 * simplify-rtx.c (simplify_relational_operation): Verify that mode ==
8168 VOIDmode implies both operands to be VOIDmode.
8169 (simplify_ternary_operation): Compute properly the mode of comparison.
8170 * combine.c (combine_simplify_rtx): Likewise.
8172 2000-07-25 Michael Hayes <mph@paradise.net.nz>
8174 * basic-block.h (struct loops): New field rc_order.
8175 * flow.c (flow_loops_cfg_dump): Dump rc_order if computed.
8176 (flow_loops_free): Free rc_order.
8177 (flow_depth_first_order_compute): New parameter rc_order.
8178 (flow_loops_find): Allocate rc_order and swap usage with
8181 2000-07-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8182 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8184 * config/c4x/c4x.md (set_ldp_prologue): Add for RTL prologue/epilogue.
8185 (push_st, push_dp, pop_st, pop_dp, popqi_unspec): Likewise.
8186 (nodb_call, return_from_epilogue): Likewise.
8187 (return_from_interrupt_epilogue, prologue, epilogue): Likewise.
8188 * config/c4x/c4x.c (c4x_expand_prologue, c4x_expand_eplilogue): Add.
8189 * config/c4x/c4x-protos.h (c4x_interrupt_function_p): Add.
8190 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
8191 (c4x_valid_type_attribute_p): Likewise.
8192 * config/c4x/c4x.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Delete.
8193 (FUNCTION_BLOCK_PROFILER_EXIT): Convert to emit RTL.
8195 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8197 * config/c4x/c4x.c (c4x_emit_move_sequence): Use loadqi_big_constant
8198 and loadhi_big_constant if applicable.
8199 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant): Tweak
8200 and add new splitter.s
8202 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8204 * config/c4x/c4x.c (c4x_rptb_insert): Make more robust.
8206 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8208 * config/c4x/c4x.h (ASM_FORMAT_PRIVATE_NAME): Output $ in label.
8210 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8212 * config/c4x/c4x.h (IS_XXX_REGNO): Rewrite to avoid unsigned warnings.
8214 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8216 * config/c4x/libgcc.S (divqf3): Improve accuracy.
8218 2000-07-27 Mark Mitchell <mark@codesourcery.com>
8220 Put phi nodes after NOTE_INSN_BASIC_BLOCK.
8221 * rtl.h (NOTE_INSN_BASIC_BLOCK_P): New macro.
8222 * bb-reorder.c (get_next_bb_note): Use NOTE_INSN_BASIC_BLOCK_P.
8223 (get_prev_bb_note): Likewise.
8224 (remove_scope_notes): Likewise.
8225 * flow.c (commit_one_edge_insertion): Likewise.
8226 (merge_blocks_nomove): Likewise.
8227 (verify_flow_info): Likewise.
8228 * gcse.c (insert_insn_end_bb): Likewise.
8229 * reg-stack.c (emit_swap_insn): Likewise.
8230 * ssa.c (first_insn_after_basic_block_note): New function.
8231 (insert_phi_node): Use it.
8232 (rename_block): Likewise.
8233 (eliminate_phi): Likewise.
8234 (make_regs_equivalent_over_bad_edges): Likewise.
8235 (make_equivalent_phi_alternatives_equivalent): Likewise.
8236 (for_each_successor_phi): Likewise.
8237 (convert_from_ssa): Modify phi-node deletion algorithm.
8239 2000-07-29 Andreas Jaeger <aj@suse.de>
8241 * configure.in (mips*-*-linux*): Use mips*el to check for little
8242 endian MIPS, add tmake_file.
8244 * config/mips/linux.h (TARGET_VERSION): Use GNU/Linux.
8245 (SUBTARGET_CPP_SPEC): Default MIPS_ISA is 1.
8246 Patches by Maciej W. Rozycki <macro@ds2.pg.gda.pl>.
8248 2000-07-28 Richard Henderson <rth@cygnus.com>
8250 * config/ia64/ia64.c (ia64_print_operand): Fix typos.
8251 Sign extend mode size before negating.
8253 2000-07-28 Richard Henderson <rth@cygnus.com>
8255 * emit-rtl.c (gen_lowpart_common): Add missing 'c' variable.
8257 2000-07-28 Bernd Schmidt <bernds@cygnus.co.uk>
8259 * cse.c (canon_hash): Handle PRE_MODIFY/POST_MODIFY.
8260 (cse_insn): Likewise.
8261 (addr_affects_sp_p): Likewise.
8262 * expr.c (move_by_pieces): Likewise.
8263 (clear_by_pieces): Likewise.
8264 * gcse.c (oprs_unchanged_p): Likewise.
8265 * haifa-sched.c (sched_analyze_2): Likewise.
8266 * recog.c (offsettable_address_p): Likewise.
8267 * regclass.c (record_address_regs): Likewise.
8268 * reload.c (find_reusable_reload): Likewise.
8269 (push_reload): Likewise.
8270 (operands_match_p): Likewise.
8271 (decompose): Likewise.
8272 (find_reloads_address_1): Likewise.
8273 (find_inc_amount): Likewise.
8274 * reload1.c (elimination_effects): Likewise.
8275 * resource.c (mark_set_resources): Likewise.
8276 * flow.c (attempt_auto_inc): New function; mostly broken out
8278 (find_auto_inc): Split into two functions and enhanced to
8279 generate POST_MODIFY.
8280 * rtl.def (PRE_MODIFY, POST_MODIFY): Adjust comment.
8281 * rtl.h (count_all_occurrences): Declare.
8282 (HAVE_{PRE,POST}_MODIFY_{DISP,REG}): Provide default of 0 if not
8284 * rtlanal.c (count_all_occurrences): New function.
8285 * tm.texi (HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_DISP,
8286 HAVE_POST_MODIFY_REG, HAVE_PRE_MODIFY_REG): Document.
8288 * config/ia64/ia64-protos.h (destination_operand): Declare.
8289 * config/ia64/ia64.c (destination_operand): New function.
8290 (ia64_print_operand): Handle POST_MODIFY.
8291 (rtx_needs_barrier): Likewise.
8292 * config/ia64/ia64.h (HAVE_POST_MODIFY_DISP): Define to 1.
8293 (HAVE_POST_MODIFY_REG): Define to 1.
8294 (MAX_REGS_PER_ADDRESS): Change to 2.
8295 (GO_IF_LEGITIMATE_ADDRESS): Accept POST_MODIFY too.
8296 (LEGITIMATE_ADDRESS_REG): New helper macro.
8297 (LEGITIMATE_ADDRESS_DISP): Likewise.
8298 (PREDICATE_CODES): Add entry for destination_operand.
8299 * config/ia64/ia64.md (all mov patterns): Use destination_operand
8300 predicate for operand 0.
8302 2000-07-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8304 * dwarf2out.c: Indent #error directive.
8306 * gbl-ctors.h: Fix typo in comment.
8307 (__do_global_ctors): Prototype.
8309 * gcse.c (record_one_set, pre_delete): Remove unused variables.
8311 * rs6000.c (rs6000_maybe_dead): Delete unused prototype.
8312 (print_operand): Initialize variable `t'.
8314 2000-07-27 Aldy Hernandez <aldyh@redhat.com>
8316 * config/arm/arm.md ("call_value"): removed constraints.
8317 Constraints are ignored in expanders.
8318 (*call_value_reg): split =rf into various constraints.
8319 (*call_value_mem): same
8320 (*call_value_symbol): same
8321 (*sibcall_value_insn): same
8323 2000-07-28 Philipp Thomas <pthomas@suse.de>
8325 * install.texi (--enable-nls): Change the description of the NLS
8326 related configure options to match the current state.
8327 (--with-included-gettext): Likewise.
8328 (--enable-maintainer-mode): New description added.
8329 * extend.texi (-fstrict-prototype): Add missing '.'.
8331 2000-07-27 Jim Wilson <wilson@cygnus.com>
8333 * dwarf2out.c (gen_decl_die): Don't call gen_abstract_function if
8334 DECL_INITIAL (decl) == NULL_TREE.
8336 2000-07-27 Alexandre Oliva <aoliva@redhat.com>
8338 * Makefile.in (INSN_ATTR_H): New macro. Replace all dependencies
8339 on insn-attr.h with it.
8340 * genattr.c: Generate `#include "insn-addr.h"' if HAVE_ATTR_length.
8341 * insn-addr.h: New header.
8342 (insn_addresses_): Renamed from insn_addresses.
8343 (INSN_ADDRESSES_DEFN, INSN_ADDRESSES, INSN_ADDRESSES_ALLOC,
8344 INSN_ADDRESSES_FREE, INSN_ADDRESSES_SET_P, INSN_ADDRESSES_SIZE,
8345 INSN_ADDRESSES_NEW): New macros.
8346 * genattrtab.c (write_test_expr): Use new macros.
8347 * final.c (insn_addresses, init_insn_lengths): Likewise.
8348 (align_fuzz, shorten_branches): Likewise.
8349 (final): Likewise. Do not reject new insns if their addresses
8350 have been added to INSN_ADDRESSES.
8351 * config/arm/arm.c, config/avr/avr.c: Use new macros.
8352 * config/h8300/h8300.c, config/i370/i370.c: Likewise.
8353 * config/m88k/m88k.c, config/pa/pa.c, config/pa/pa.md: Likewise.
8354 * config/sparc/sparc.c, config/sparc/sparc.md: Likewise.
8355 * config/sh/sh.c: Likewise.
8356 (output_branchy_insn): Use INSN_ADDRESSES_NEW.
8358 * Makefile.in (bootstrap): Move -BstageN/ back to the beginning.
8360 2000-07-27 Andrew Cagney <cagney@b1.cygnus.com>
8362 * gcc.c (struct prefix_list): Add member priority.
8363 (enum path_prefix_priority): Declare.
8364 (add_prefix): Replace ``first'' with ``priority''. Append new
8365 entry but keep list in priority order.
8366 (process_command): Update. Pass PREFIX_PRIORITY_B_OPT or
8367 PREFIX_PRIORITY_LAST to add_prefix.
8368 (process_command): Move include kludge - foo/stageN - to before
8371 2000-07-27 Jason Merrill <jason@redhat.com>
8373 * dwarf2out.c (gen_typedef_die): Abort if we get identical
8374 TREE_TYPE and DECL_ORIGINAL_TYPE on a typedef.
8376 2000-07-27 RodneyBrown <RodneyBrown@pmsc.com>
8378 * expr.h (get_alias_set, lang_get_alias_set): Delete prototypes.
8379 * tree.h (get_alias_set, lang_get_alias_set): Prototype.
8381 2000-07-27 Joseph S. Myers <jsm28@cam.ac.uk>
8383 * c-decl.c (finish_function): Don't treat 'main' specially unless
8384 flag_hosted. In C99 mode, return 0 from 'main' unless
8385 DEFAULT_MAIN_RETURN is otherwise defined.
8387 * c-decl.c (store_parm_decls): In C99 mode, pedwarn for function
8388 parameters defaulting to int in an old-style function definition.
8390 2000-07-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8392 * c-parse.in (string): For -Wtraditional, warn about string
8393 concatenation only once per line.
8395 Thu Jul 27 09:25:17 2000 Akiko Matsushita <matusita@sra.co.jp>
8397 * pa/x-pa-hpux: Add -D_HIUX_SOURCE to FIXPROTO_DEFINES
8398 for HI-UX/WE2 systems.
8400 2000-07-24 Bruce Korb <bkorb@gnu.org>
8402 * fixincl/fixfixes.c(emit_gnu_type): rewrote to *rely* on GCC
8403 defining the __xxx_TYPE__ macros.
8404 * fixincl/fixincl.tpl(gnu_type_map): now obsolete
8405 * fixincl/fixlib.h: don't need to include "tm.h" anymore
8406 * fixincl/inclhack.def(type_map): now obsolete
8408 Thu Jul 27 11:54:17 2000 Andrew Cagney <cagney@b1.cygnus.com>
8410 * cpp.texi: Append a trailing full-stop to xrefs where needed.
8412 2000-07-26 Dave Pitts <dpitts@cozx.com>
8414 * i370.c: Remove LONGEXTERNAL ifdef from alias_number. Added hash
8416 (mvs_hash_alias): New function.
8417 (mvs_add_alias): Change argument spacing.
8418 (mvs_need_alias): Change aliasing criteria. Added documentation.
8419 (mvs_get_alias): Change to use hashed name. The hashed name prevents
8420 CSECT name collisions.
8421 (mvs_check_alias): Likewise.
8422 (handle_pragma): Change documentation.
8423 * i370.md (mulsi3, divsi3, udivsi3, modsi3, umodsi3): Changed gen_rtx
8424 mode from SImode to DImode.
8425 (iorhi3): Changed LTORG size for insn.
8427 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
8429 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
8430 mem if the address is a mode_dependent_address_p.
8432 2000-07-26 Kazu Hirata <kazu@hxi.com>
8434 * h8300.c (print_operand): Print ":8" when the 'R' operand is
8435 suitable for 8-bit absolute.
8436 * h8300.h (EIGHTBIT_CONSTANT_ADDRESS_P): New.
8437 (OK_FOR_U): Add a case for the 8-bit constant address on the
8440 Wed Jul 26 19:26:21 2000 Hans-Peter Nilsson <hp@axis.com>
8442 * varasm.c (assemble_variable) [! defined(ASM_OUTPUT_ALIGNED_COMMON)
8443 && ! defined (ASM_OUTPUT_ALIGNED_BSS]): Also test
8444 ! defined(ASM_OUTPUT_ALIGNED_DECL_COMMON) before complaining about
8445 lack of implemented alignment.
8447 2000-07-26 Geoffrey Keating <geoffk@cygnus.com>
8449 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETIC]: Handle
8450 cross-compiling between 64-bit and 32-bit machines.
8452 2000-07-27 Richard Henderson <rth@cygnus.com>
8454 * config/ia64/ia64.md (movqicc_astep, movqi_internal_astep): New.
8455 (movhicc_astep, movhi_internal_astep): New.
8456 (movsicc_astep, movsi_internal_astep): New.
8457 (movdicc_astep, movdi_internal_astep): New.
8458 (movsfcc_astep, movsf_internal_astep): New.
8459 (movdfcc_astep, movdf_internal_astep): New.
8460 (movxfcc_astep, movxf_internal_astep): New.
8461 (cmovdi_internal_astep, cmovsi_internal_astep): New.
8462 Unify the cmov[ds]i splitters.
8464 2000-07-27 Rodney Brown <RodneyBrown@pmsc.com>
8466 * real.c (asctoeg): Rename `error' label to unexpected_char_error
8468 2000-07-26 Nick Clifton <nickc@cygnus.com>
8470 * config/arm/vxarm.h (CPP_PREDEFINES): Remove definition of
8471 __arm__. Allow it to be defined by CPP_ISA_SPEC in arm.h
8473 * dwarf2out.c (dwarf2out_frame_debug_expr): Accept SEQUENCE as
8474 well as PARALLEL blocks in FRAME_RELATED_EXPR notes.
8476 2000-07-26 Alexandre Oliva <aoliva@redhat.com>
8478 * c-decl.c (finish_enum): Convert enumerations that fit in an
8480 (build_enumerator): In pedantic mode, cast to `int' those that
8483 2000-07-25 Rodney Brown <RodneyBrown@pmsc.com>
8485 * config/alpha/osf.h (SIZE_TYPE, PTRDIFF_TYPE): New.
8487 Tue Jul 25 23:08:33 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8489 * sh.md (cmpgtdi_t): Must be split.
8490 (cmpgtdi_t+1): New splitter.
8492 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
8494 * cpplib.c (_cpp_check_directive): Issue -Wtraditional
8495 warnings for indented directives even if we are skipping.
8497 2000-07-25 Nathan Sidwell <nathan@codesourcery.com>
8499 * invoke.texi (strict-prototypes): Remove.
8500 * extend.texi (Deprecated Features): Add strict-prototypes.
8501 (Backwards Compatibility): New node.
8503 2000-07-25 Jakub Jelinek <jakub@redhat.com>
8505 * config/i386/i386.md (andsi_1+1): Allow HImode.
8506 (andsi_1+2): Require q_regs_operand.
8508 2000-07-25 Jakub Jelinek <jakub@redhat.com>
8510 * config/i386/i386.md (call_pop): Check operands[0],
8511 not operands[1]. Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
8513 (call_value_pop): Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
8514 (call_value): Likewise.
8516 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
8518 * toplev.c (pipe_closed): Delete.
8519 (crash_signal): New. Generate ICE for a fatal signal.
8520 (float_signal): Call crash_signal outside a float-handler
8522 (main): Install crash_signal as handler for core-dumping signals.
8524 2000-07-25 David Edelsohn <edelsohn@gnu.org>
8526 * rs6000.c (print_operand, case 'T'): New case.
8528 * rs6000.md (call_indirect_aix32): Convert to expander of
8529 scheduled instructions.
8530 (call_indirect_aix64): Likewise.
8531 (call_value_indirect_aix{32,64}): Likewise.
8532 (call, call_value): Invoke expanders for AIX. Fall through to
8534 (call_indirect_nonlocal_aix{32,64}): New patterns (ctr and lr).
8535 (call_value_indirect_nonlocal_aix{32,64}): New patterns.
8536 (call_nonlocal_aix32): Remove CALL_LONG alternative. Operand 1
8537 only "g" constraint.
8538 (call_nonlocal_aix64): Likewise.
8539 (call_value_nonlocal_aix{32,64}): Likewise.
8540 (call_nonlocal_sysv): New pattern for ctr, lr, and symbolic
8542 (call_value_nonlocal_sysv): New pattern.
8543 (indirect_jump{si,di}): Use new 'T' modifier.
8544 (tablejump{si,di} matchers): Likewise.
8545 (return_internal_{si,di}): Likewise.
8546 (return_eh_{si,di}): Likewise.
8548 2000-07-24 Richard Henderson <rth@cygnus.com>
8550 * config/ia64/ia64.c (ia64_print_operand): Handle "%,".
8551 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): Likewise.
8552 * config/ia64/ia64.md (movdi_internal): Use it.
8554 2000-07-24 Zack Weinberg <zack@wolery.cumb.org>
8556 * cppexp.c: Warn about unary + if -Wtraditional.
8557 * cpplex.c (lex_line): Always set BOL on the first token of a line.
8559 2000-07-24 Michael Meissner <meissner@redhat.com>
8561 * d30v.h (FUNCTION_ARG_KEEP_AS_REFERENCE): Delete references to
8564 2000-07-24 Nick Clifton <nickc@cygnus.com>
8566 * config/arm/arm.c (emit_multi_reg_push): Generate a
8567 REG_FRAME_RELEATED_NOTE that is compatable with the code in
8568 dwarf2out_debug_frame_expr.
8570 2000-07-24 Jason Merrill <jason@redhat.com>
8572 * dwarf2out.c: Complain if DWARF2_DEBUGGING_INFO is defined without
8573 UNALIGNED_INT_ASM_OP.
8574 (def_cfa_1): Don't emit def_cfa_register or def_cfa_offset to adjust
8575 a location expression.
8576 (dwarf2out_frame_debug_expr): Lose cfa_old_reg stuff. Don't
8577 assume indirect access if we're saving the CFA address exactly.
8579 * Makefile.in (bootstrap): Move -BstageN/ to the end.
8581 2000-07-24 Jakub Jelinek <jakub@redhat.com>
8583 * tradcpp.c (main): Update max_include_len for cpp_include_defaults
8586 2000-07-24 Michael Meissner <meissner@redhat.com>
8588 * invoke.texi (D30V Options): Add d30v options.
8590 Mon Jul 24 02:04:52 2000 Jeffrey A Law (law@cygnus.com)
8592 * gcse.c (alloc_pre_mem): Do not alloc TRANSPOUT, it is not
8593 needed by our gcse pass anymore.
8594 (free_pre_mem): Corresponding changes.
8595 (compute_pre_data): Do not call compute_transpout anymore.
8597 * gcse.c (alloc_avail_expr_mem): Kill unused 'u_bitmap'.
8598 (free_avail_expr_mem, alloc_pre_mem, free_pre_mem): Corresponding
8601 * gcse.c (free_pre_mem): Do not free ANTLOC and AE_KILL here.
8602 (compute_pre_data): Do it here instead.
8604 * gcse.c (alloc_pre_mem, free_pre_mem): Delete unused bitmap
8606 (pre_delete): Corresponding changes.
8608 2000-07-23 Mark Mitchell <mark@codesourcery.com>
8610 * c-semantics.c (make_rtl_for_local_static): Use TREE_ASM_WRITTEN
8611 to figure out whether or not a variable has already been emitted.
8613 Sun Jul 23 14:49:12 2000 Jason Eckhardt <jle@cygnus.com>
8615 * config/i860/i860.md (untyped_call expander): Use GEN_CALL
8616 instead of gen_call.
8618 Sun Jul 23 11:52:03 2000 George Helffrich (george@gly.bris.ac.uk)
8620 * dbxout.c (dbxout_type, case COMPLEX_TYPE): Fix length field in stab.
8622 2000-07-23 Kazu Hirata <kazu@hxi.com>
8624 * h8300.c: Fix formatting.
8626 2000-07-23 Joseph S. Myers <jsm28@cam.ac.uk>
8628 * c-typeck.c (c_expand_start_case): Change -Wtraditional pedwarn
8629 for `long' switch expression into a plain warning.
8631 * c-lex.c (init_lex): Keep the "inline" keyword in C99 mode.
8632 (yylex): Don't pedwarn for "inline" in C99 mode.
8634 * bitmap.c (debug_bitmap_file): Cast pointers to PTR for printing
8636 * ggc-page.c (debug_print_page_list, alloc_page, free_page,
8637 ggc_alloc): Likewise.
8638 * bb-reorder.c (dump_scope_forest_1): Likewise.
8640 2000-07-22 Aldy Hernandez <aldyh@redhat.com>
8642 * reload.c (find_reloads_toplev): Add new parameter
8644 (find_reloads): Add new parameter to find_reloads_toplev calls.
8646 2000-07-22 Jeffrey Oldham <oldham@codesourcery.com>
8648 * collect2.c (main): Typo fixed.
8649 * diagnostic.c: Typo fixed.
8650 * dwarf2out.c (dwarf2out_frame_debug_expr): Typo fixed.
8651 * eh-common.h: Typo fixed.
8652 * emit-rtl.c (start_sequence): Typo fixed.
8653 * flow.c (find_label_refs): Typo fixed.
8654 (calculate_global_regs_live): Typo fixed.
8655 (mark_regno_cond_dead): Typo fixed.
8656 (create_edge_list): Typos fixed.
8657 (verify_edge_list): Typo fixed.
8658 * ggc-common.c (ggc_mark_rtx_children): Typo fixed.
8659 * loop.c (strength_reduce): Typo in function name fixed.
8660 * rtl.h: Added comments. Typo in function name fixed.
8661 * rtlanal.c: Typo in function name fixed.
8662 (insn_dependant_p): Rename to ...
8663 (insn_dependent_p): ... this.
8664 (computed_jumo_p): Typo fixed.
8666 2000-07-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8668 * system.h (__FUNCTION__): Wrap definition in #ifndef.
8670 2000-07-21 David Edelsohn <edelsohn@gnu.org>
8672 * rs6000.h (SIZE_TYPE): Define.
8674 2000-07-21 Mark Mitchell <mark@codesourcery.com>
8676 * ssa.c (rename_insn_1): Don't rename registers that are
8679 2000-07-21 Zack Weinberg <zack@wolery.cumb.org>
8681 * diagnostic.c (trim_filename, fancy_abort): Moved here from
8683 (fatal_function, set_fatal_function): Removed.
8684 (fatal): Don't prepare for or call the fatal_function.
8685 (diagnostic_lock, error_recursion): New.
8686 (diagnostic_for_decl, report_diagnostic): Guard against
8687 re-entering the error reporting routines.
8688 (fancy_abort): Assume function is not NULL.
8690 * errors.c (fancy_abort): New. Assume function is not NULL.
8691 * tradcpp.c (fancy_abort): Assume function is not NULL.
8693 * system.h: Provide default definition of __FUNCTION__.
8694 * rtl.h: Use __FUNCTION__ not __PRETTY_FUNCTION__ throughout.
8695 Always use __FUNCTION__ in definition of abort.
8697 * varray.h: Likewise.
8698 * toplev.h: Likewise. Don't prototype set_fatal_function.
8700 2000-07-20 Geoff Keating <geoffk@cygnus.com>
8702 * config/rs6000/aix43.h (CPP_SPEC): Define __LONG_MAX__ correctly
8704 * glimits.h: Don't do #if defined for ARCH_PPC.
8706 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): All
8707 constants of size no larger than a pointer should go in the TOC.
8708 Add 'MODE' parameter.
8709 (LEGITIMIZE_RELOAD_ADDRESS): Add MODE parameter to
8710 ASM_OUTPUT_SPECIAL_POOL_ENTRY_P.
8711 (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Likewise.
8712 * config/rs6000/aix.h (SELECT_RTX_SECTION): Likewise.
8713 * config/rs6000/netware.h (SELECT_RTX_SECTION): Likewise.
8714 * config/rs6000/rs6000.c (constant_pool_expr_1): Likewise.
8715 (rs6000_legitimize_address): Likewise.
8716 (rs6000_emit_move): Likewise.
8717 (rs6000_select_rtx_section): Likewise.
8718 (output_toc): Deal properly with outputting small constants like
8719 HImode, and SFmode in 32-bit mode, and DFmode in 64-bit mode.
8720 * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Add
8721 MODE parameter. Put small constants in the TOC.
8723 * config/rs6000/rs6000.c (easy_fp_constant_p): All constants are
8725 (rs6000_emit_move): When reload calls us with an illegitimate
8726 address, exit early. Move the change_address calls to one place
8727 at the end of the routine. Merge the SImode and DImode expanders.
8728 When called by reload to put an integer into a FP register, force
8731 * config/rs6000/rs6000.c (struct toc_hash_struct): Add 'key_mode'
8733 (rs6000_hash_constant): Hash mode too.
8734 (toc_hash_function): Allow for key_mode.
8735 (toc_hash_eq): Structures are different if key_mode differs.
8736 (output_toc): Add 'mode' parameter. Save key_mode.
8737 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY):
8738 Pass 'mode' parameter.
8739 * config/rs6000/rs6000-protos.h (output_toc): Add 'mode' param.
8741 * config/rs6000/rs6000.c (output_toc): Use RS6000_OUTPUT_BASENAME
8742 for vtable references.
8744 * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): If we have a
8745 choice, don't put integer values in FP regs.
8747 Thu Jul 20 18:13:52 2000 Jeffrey A Law (law@cygnus.com)
8749 * flow.c (verify_flow_info): Revamp code to verify that the
8750 head and end of each basic block are in the insn chain.
8752 Thu Jul 20 18:02:35 2000 Michael Matz <matzmich@cs.tu-berlin.de>
8754 * gcse.c (record_one_set): Prepend instead of append onto
8755 reg_set_table, making it O(n) instead O(n^2).
8756 * lcm.c (compute_antinout_edge,compute_laterin,compute_available):
8757 Use a queue instead of a stack as worklist.
8759 2000-07-20 Kazu Hirata <kazu@hxi.com>
8761 * h8300.c (two_insn_adds_subs_operand): Fix a typo.
8762 * h8300.h (OK_FOR_T): New.
8763 (EXTRA_CONSTRAINT): Support OK_FOR_T.
8764 * h8300.md: Use inc/dec.[wl] for increment/decrement
8765 by 1 and 2 in HI and SI modes.
8767 2000-07-20 Jim Wilson <wilson@cygnus.com>
8769 * config/ia64/ia64.h (ASM_OUTPUT_MI_THUNK): Handle DELTA values
8770 larger than 14 bits.
8772 2000-07-20 Zack Weinberg <zack@wolery.cumb.org>
8774 * cppmacro.c (CAN_PASTE_AFTER): New macro.
8775 (count_params): Don't set GNU_REST_ARGS on anything.
8776 (save_expansion): Set PASTE_LEFT only on tokens for which
8777 CAN_PASTE_AFTER is true, or which are named operators.
8779 * cpplex.c (parse_args): Distinguish between a rest argument
8780 given one empty argument, and a rest argument given zero arguments.
8781 (maybe_paste_with_next): Look for VOID_REST tag, and trigger
8782 deletion of previous token based on that.
8783 (get_raw_token): Flatten some control structure.
8785 * cpplib.h (CPP_LAST_EQ): Correct.
8786 (VOID_REST): New token flag.
8787 (GNU_REST_ARGS): Delete.
8789 * tradcpp.c (main): Don't munge -D options.
8790 (make_definition): Bring -D handling in line with cpplib.
8791 (do_define): Strip all leading whitespace from macro definitions.
8793 2000-07-20 David Billinghurst <David.Billinghurst@riotinto.com.au>
8795 * Makefile.in (tradcpp): Depend on intl.o and version.o.
8797 2000-07-20 Bruce Korb <bkorb@gnu.org>
8799 * fixincl/check.tpl: strip the platform specific types before testing
8800 * fixincl/fixfixes.c(gnu_type_fix): use platform specific types
8801 * fixincl/fixincl.tpl: use platform specific types
8802 * fixincl/fixlib.h: include the platform specific types
8803 * fixincl/inclhack.def(gnu_types): don't supply the types
8804 * fixincl/fixincl.x: regen
8806 2000-07-19 Jim Wilson <wilson@cygnus.com>
8808 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): Don't allow XFmode in
8811 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
8813 * tradcpp.c (rescan): Do not recognize directives when the #
8816 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
8818 Implement C++ named operators.
8820 * cpplib.h (TTYPE_TABLE): Move CPP_MIN and CPP_MAX into block
8821 of operators allowed in #if and having an _EQ variant. Add
8822 CPP_MIN_EQ, CPP_MAX_EQ, and CPP_DEFINED.
8823 (cpp_token flags): Add NAMED_OP.
8824 (enum node_type): Add T_OPERATOR.
8825 (struct cpp_hashnode): Add code slot to value union.
8826 * cpphash.h (spec_nodes): Remove n_defined.
8828 * cpplex.c (lex_line): Convert T_OPERATOR nodes to their proper types.
8829 (spell_token, can_paste, maybe_paste_with_next): Handle named operators.
8830 (is_macro_disabled): Tweak error messages.
8832 * cpplib.c (get_define_node): Disallow all named operators as
8833 macro names. Tweak error messages.
8834 (_cpp_init_stacks): Don't set up spec_nodes->n_defined.
8836 * cppinit.c (builtin_array): Add entries for the named operators.
8837 * cppexp.c (lex): Check for CPP_DEFINED token.
8838 (priority table): Add entries for CPP_MIN and CPP_MAX.
8839 (_cpp_parse_expr): Handle CPP_MIN and CPP_MAX.
8841 2000-07-19 Bernd Schmidt <bernds@cygnus.co.uk>
8843 * gcse.c (INSN_CUID): If ENABLE_CHECKING, abort if the uid is
8844 larger than the array of cuids.
8845 (alloc_gcse_mem): Use uid_cuid rather than INSN_CUID when computing
8848 2000-07-19 Bruce Korb <bkorb@gnu.org>
8850 * fixinc/fixincl.c: Convert to using a table of environment variables
8851 and activate the auto-edit marker on the fixed output files.
8852 * fixinc/fixlib.h: Define the environment table
8853 * fixinc/fixincl.sh: export the ${INPUT} dir
8854 * fixinc/check.tpl: likewise
8856 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
8858 * gcc.c (.h spec): Fix typo.
8860 Wed Jul 19 01:22:15 CEST 2000 Marc Espie <espie@cvs.openbsd.org>
8862 * Makefile.in: Fix tradcif.c path.
8864 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
8866 * cpplib.h (TTYPE_TABLE): Rearrange to use only two per-entry
8869 * cpphash.h (TOKEN_NAME): New macro.
8870 (_cpp_spell_operator): Deleted.
8871 (token_spellings): Now _cpp_token_spellings.
8873 * cppexp.c: Use TOKEN_NAME or TYPE_NAME, not _cpp_spell_operator.
8874 * cpplex.c: Use OP and TK macros when expanding the
8875 TTYPE_TABLE. Eliminate token_names. For non-OPERATOR tokens,
8876 store the stringification of the enumeration name (CPP_CHAR,
8877 etc.) in the name slot of token_spellings.
8878 Use TOKEN_NAME and/or TOKEN_SPELL, do not reference
8879 token_spellings directly.
8880 * cpplib.c: Use TOKEN_SPELL.
8882 * cpplex.c (_cpp_push_token): If the token being pushed back
8883 is the previous token in this context, just subtract one from
8885 * cppmacro.c (save_expansion): Clear aux field when storing a
8888 2000-07-18 Jakub Jelinek <jakub@redhat.com>
8890 * cpplex.c (cpp_scan_buffer): Output line command even at the stop
8891 buffer, provided it is not NULL.
8893 2000-07-18 Alexandre Oliva <aoliva@redhat.com>
8895 * c-decl.c (duplicate_decls): Do not call make_var_volatile() in
8896 case of invalid volatile re-declaration.
8898 2000-07-18 Jakub Jelinek <jakub@redhat.com>
8900 * calls.c (store_arg): Return non-zero if sibcall_failure is desired.
8901 (expand_call): Adjust caller.
8903 2000-07-17 Gabriel Dos Reis <gdr@codesourcery.com>
8905 * diagnostic.h (report_diagnostic): Change prototype.
8907 * diagnostic.c (output_do_verbatim, diagnostic_for_asm,
8908 diagnostic_for_decl): Change prototype.
8909 (error_with_decl, warning_with_decl, pedwarn_with_decl, warning,
8910 error, warning, error_with_file_and_line,
8911 warning_with_file_and_line, pedwarn_with_file_and_line, fatal):
8912 Adjust call to report_diagnostic, diagnostic_for_decl.
8913 (error_for_asm, warning_for_asm): Adjust call to diagnostic_for_asm.
8914 (output_verbatim, verbatim): Adjust call to output_do_verbatim.
8916 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic. End
8917 varaible argument list.
8919 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
8921 * cpphash.c: Don't include hashtab.h. Most macro-handling code
8922 moved to cppmacro.c.
8923 (hash_HASHNODE, eq_HASHNODE, _cpp_dump_macro_hash,
8924 dump_hash_helper): Delete.
8925 (expand_hash, higher_prime_number, _cpp_lookup_with_hash,
8926 cpp_forall_identifiers): New. Implement specialized version of
8927 Vlad's expandable hash table.
8928 (cpp_lookup): Use new functions.
8929 (_cpp_init_macros, _cpp_cleanup_macros): Adjust for new
8931 * cppmacro.c: New file.
8932 * cppinit.c (dump_macros_helper): New.
8933 (cpp_finish): Iterate over the identifier table directly.
8934 * cpplex.c (parse_name): Calculate the hash of the identifier
8935 while we scan it. Use _cpp_lookup_with_hash when we can.
8937 * cpphash.h: Update prototypes.
8938 (xcnewvec, HASHSTEP): New helper macros.
8939 * cpplib.h: Update prototypes.
8940 * Makefile.in (LIBCPP_OBJS): Add cppmacro.o.
8941 (cppmacro.o): New rule.
8942 (cpphash.o): Update deps.
8944 * cppmain.c: Do not set pfile->printer if no_output is on.
8946 2000-07-15 Neil Booth <neilb@earthling.net>
8948 * cpplib.c: Change all directive-handler functions to return
8950 * cpphash.h: Update typedefs.
8952 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
8954 * configure: Regenerate.
8956 * extend.texi (Extended Asm): Mention that a memory clobber
8957 does not count as a side-effect.
8959 * unroll.c (copy_loop_body): Fix one instance of using host
8960 arithmetic on the target; fixes loop-4 on a 32-bit -> 64-bit
8963 * tlink.c (scan_linker_output): Tweak for output of AIX ld.
8965 2000-07-17 Richard Henderson <rth@cygnus.com>
8967 * config/ia64/ia64.md (movdi): Split out load address code.
8968 New post-reload splitter for symbolic operands.
8969 (movdi_internal): Abort if we didn't split symbolic operands
8970 when we should have.
8971 * config/ia64/ia64.c (ia64_expand_load_address): New, from movdi bits.
8972 (ia64_reorg): Split insns when not optimizing.
8973 * config/ia64/ia64-protos.h (ia64_expand_load_address): Declare.
8975 Mon Jul 17 23:43:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
8977 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Use LONG_DOUBLE_TYPE_SIZE
8978 instead of MAX_LONG_DOUBLE_TYPE_SIZE to decide output format.
8980 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
8982 * loop.c (check_dbra_loop) : Changed loop_continue to loop->cont.
8984 2000-07-17 Jason Merrill <jason@redhat.com>
8986 * Makefile.in (clean): Remove libgcc directory.
8988 * configure.in (-Wno-long-long check): Use higher-level macros.
8990 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
8992 * simplify-rtx.c (simplify_binary_operation): Recognize
8993 (compare (gt[u] (cc) 0) (lt[u] (cc) 0)).
8994 (simplify_ternary_operation): Do not examine MODE_BITSIZE of
8995 a CONST_INT, it will always be zero.
8997 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
8999 * loop.c (check_dbra_loop) : Return if more than one condition is
9000 present to control the loop.
9002 Mon Jul 17 08:26:35 2000 Clinton Popetz <cpopetz@cygnus.com>
9004 * mips.c (mips_expand_prologue): Don't calculate the last argument
9005 register unless we need it. When we are calculating this, make
9006 sure FUNCTION_ARG is giving us a REG.
9008 2000-07-17 Stephane Carrez <Stephane.Carrez@worldnet.fr>
9010 * flow.c (libcall_dead_p): Use single_set to verify the insn
9011 has only one set and get for analysis.
9012 (propagate_one_insn): Don't pass the PATTERN of the insn.
9014 2000-07-17 Mark Klein <mklein@dis.com>
9016 * pa.c (emit_hpdiv_const): Update to match new pattern for udivsi3.
9018 2000-07-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
9020 * Makefile.in (TARGET_GETGROUPS_T): New configuration variable.
9021 * configure.in (TARGET_GETGROUPS_T): Evaluate.
9022 * sys-protos.h (getgroups): Use TARGET_GETGROUPS_T for array type
9023 of second argument of getgroups.
9024 * configure, config.in: Rebuilt.
9026 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
9028 * simplify-rtx.c (simplify_relational_operation): Two signed
9029 values with equal high words are less/greater than each other if
9030 their low words are less/greater when considered as unsigned.
9032 Mon Jul 17 02:37:06 2000 Marc Espie <espie@openbsd.org>
9034 * configure.in (vax-*-openbsd): Change to new style configuration,
9035 add collect2/float_format information.
9036 * configure: Rebuilt.
9037 * config/vax/openbsd1.h: New.
9038 * config/vax/openbsd.h: New.
9039 * config/vax/t-openbsd: New.
9041 2000-07-17 Chip Salzenberg <chip@valinux.com>
9043 * c-common.c (shorten_compare): Quiet warnings about unsigned
9044 comparisons with zero when they occur in a system header.
9046 2000-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
9048 * invoke.texi (-pedantic): Refer to ISO C instead of ANSI C, and
9049 update to describe current practice.
9051 * glimits.h (LLONG_MIN, LLONG_MAX, ULLONG_MAX): Define for C99.
9053 * contrib.texi, cpp.texi, extend.texi, invoke.texi: Update
9054 references to C9X. Change references to -fstd and -flang-isoc9x
9057 * c-common.c (scan_char_table): Allow "z" length modifiers on
9059 (check_format_info): Use TYPE_DOMAIN on the type matched against
9060 for "z" formats, to retrieve the language size_t rather than the
9063 * c-common.c (check_format_info): Do not make a pedantic objection
9064 to the 'L' length modifier if used with a floating point type
9067 * c-lex.c (yylex): Don't pedwarn for hexadecimal floating point
9068 constants in C99 mode.
9070 2000-07-17 Kazu Hirata <kazu@hxi.com>
9072 * h8300.md: Fix the format of mac.
9073 (movsi_h8300hs): Output a tab after stmac instead of a space.
9075 * h8300.c (two_insn_adds_subs_operand): Improve code for detecting
9076 profitable adds/subs sequences.
9078 * fold-const.c: Fix comment typos.
9080 2000-07-16 Laurynas Biveinis <lauras@softhome.net>
9082 * cppfiles.c (read_name_map): Set map_list_ptr->map_list_map to NULL.
9084 2000-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9086 * fixinc/fixfixes.c (emit_gnu_type): Avoid string concatenation.
9088 2000-07-16 Neil Booth <NeilB@earthling.net>
9090 * cpplex.c: Update comments.
9091 * README.Portability: Small update.
9093 2000-07-16 Neil Booth <NeilB@earthling.net>
9095 * README.Portability: Small update.
9097 2000-07-15 Richard Henderson <rth@cygnus.com>
9099 * config/ia64/ia64-protos.h (ia64_move_ok): Prototype.
9100 * config/ia64/ia64.c (ia64_move_ok): New function.
9101 * config/ia64/ia64.md (movqi, movqi_internal): Use it.
9102 (movhi, movsi, movdi, movsf, movdf, movxf): Likewise.
9104 2000-07-15 Zack Weinberg <zack@wolery.cumb.org>
9106 * cpphash.c (save_expansion): Clear PREV_WHITE on tokens
9107 immediately following a paste operator.
9108 * cppinit.c (sort_options): New function (only for HOST_EBCDIC).
9109 (cpp_reader_init): Call it, if HOST_EBCDIC.
9110 (cpp_handle_options): Do not sort option list here.
9111 (handle_option): Rename to cpp_handle_option and export.
9112 * cpplex.c (cpp_scan_buffer_nooutput, cpp_scan_buffer): Use
9113 _cpp_get_token directly.
9114 (cpp_scan_line): Return 0 at EOF, 1 otherwise.
9115 * cpplib.c (cpp_push_buffer): Don't set new->lineno to 1.
9116 * cpplib.h: Prototype cpp_handle_option. Update prototype of
9119 2000-07-15 Richard Henderson <rth@cygnus.com>
9121 * fold-const.c (extract_muldiv): Don't optimize past an unsigned
9122 cast around an expression. Tidy other unsigned tests.
9124 2000-07-15 Gabriel Dos Reis <gdr@codesourcery.com>
9126 * diagnostic.c (doing_line_wrapping, line_wrapper_printf, notice,
9127 v_error_with_decl, v_warning_with_decl, v_pedwarn_with_decl): Remove.
9128 (v_message_with_decl): Rename to ...
9129 (format_with_decl): ... this. Tweak
9130 (diagnostic_for_decl): New function.
9131 (fatal_io_error): Use verbatim in lieu of notice.
9132 (announce_function): Use verbatim.
9133 (default_print_error_function): Likewise.
9134 (error_with_decl, warning_with_decl, pedwarn_with_decl): Use new
9137 2000-07-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9139 * mips.c (function_arg_pass_by_reference): Don't do automatic
9140 aggregate initialization.
9141 (machine_dependent_reorg): Initialize variable `mode'.
9143 * mips.md (absdi2): Change variable `regno1' to unsigned int.
9144 (reload_indi): Rename loword/hiword to lo_word/hi_word to avoid
9145 conflicts with sys/param.h macro of the same name.
9146 (reload_outdi): Likewise.
9148 2000-07-15 Michael Meissner <meissner@redhat.com>
9150 * fold-const.c (fold): When optimizing FOO++ == CONST into ++FOO
9151 == CONST + INCREMENT, don't overwrite the tree node for FOO++,
9152 create a new node instead.
9154 2000-07-15 Neil Booth <NeilB@earthling.net>
9156 * README.Portability: Correct example about calling a function
9157 through a pointer to function. Format wide paragraphs.
9159 2000-07-15 Michael Meissner <meissner@redhat.com>
9161 * README.Portability: Update integer suffixes and function
9164 2000-07-15 Neil Booth <NeilB@earthling.net>
9166 * README.Portability: Small update.
9168 2000-07-15 Neil Booth <NeilB@earthling.net>
9170 * README.Portability: New file.
9172 Fri Jul 14 18:13:53 2000 Mark P Mitchell <mark@codesourcery.com>
9174 * INSTALL: Give special instructions for building GCC on Irix 6.
9175 * config/mips/x-iris6 (CC): Don't set it.
9178 2000-07-14 Jason Merrill <jason@redhat.com>
9180 * dwarf2out.c (dwarf2out_frame_debug_expr): If we store the CFA
9181 register in the stack and later in another register, use the new
9184 Fri Jul 14 10:25:53 2000 Clinton Popetz <cpopetz@cygnus.com>
9186 * config/mips/mips.md: (absdi2): Handle sign_extend for
9189 2000-07-14 Nathan Sidwell <nathan@codesourcery.com>
9191 * cpplib.c (do_pragma_dependency): Tidy warning messages.
9193 2000-07-14 Zack Weinberg <zack@wolery.cumb.org>
9195 * .cvsignore: Correct typo.
9197 2000-07-13 Mark Mitchell <mark@codesourcery.com>
9199 * .cvsignore: Add generated YACC files.
9200 * objc/.cvsignore: New file.
9202 2000-07-14 Neil Booth <NeilB@earthling.net>
9204 * cpplex.c (adjust_column): New funcion.
9205 (skip_whitespace): Use it.
9206 (skip_block_comment): Use it, and warn about /*/* with
9209 2000-07-14 Neil Booth <NeilB@earthling.net>
9211 * cpphash.c (struct macro_info): Add new members.
9212 (_cpp_free_definition): Delete the macro directly.
9213 (count_params): Return void, with first token of
9214 expansion in struct macro_info on success.
9215 (parse_define): Return int. Hoist syntax checking from
9216 save_macro_expansion. Leave call to save_expansion to
9217 _cpp_create_definition.
9218 (alloc_macro): Needs just 2 arguments.
9219 (free_macro): Delete.
9220 (save_expansion): Don't perform syntax check.
9221 (_cpp_create_definition): Call save_expansion.
9223 2000-07-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9225 * genrecog.c (write_header): Split long string.
9227 * cpphash.c (macro_info): Don't use the `signed' keyword.
9229 * system.h (alloca): Prototype if __GNUC__ && __SIZE_TYPE__.
9231 2000-07-13 Jakub Jelinek <jakub@redhat.com>
9233 * calls.c (stored_args_map): New variable.
9234 (check_sibcall_argument_overlap_1): New.
9235 (check_sibcall_argument_overlap): New.
9236 (expand_call): Initialize stored_args_map.
9237 Call check_sibcall_argument_overlap.
9239 2000-07-13 Bruce Korb <bkorb@gnu.org>
9241 * fixinc/fixfixes.c: move EXIT_BROKEN to header, add sub-expr max count
9242 (emit_gnu_type): utility procedure for gnu_type_fix
9243 (gnu_type_fix): implement various pre-processor guards around
9244 standard types so these types can be defined over and over
9245 * fixinc/fixincl.tpl: add a "gnu_type_map" that forces the standard
9246 types alluded to above will have GNU-compliant base types
9247 * fixinc/fixlib.h: add EXIT_BROKEN define and the gnu_type_map struct
9248 * fixinc/inclhack.def: add test_text entries and utilize the new
9249 "gnu_types" fix for the ptrdiff_t, size_t and wchar_t types.
9250 * fixinc/fixincl.x: regenerate
9252 2000-07-12 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
9254 * diagnostic.c (vline_wrapper_message_with_location,
9255 v_message_with_file_and_line, v_error_with_file_and_file,
9256 v_error_for_asm, v_warning_for_asm, vfatal,
9257 v_warning_with_file_and_line, v_pedwarn_with_file_and_line,
9258 vsorry, verror, vwarning, vpedwarn): Remove.
9259 (diagnostic_for_asm): New function.
9260 (pedwarn, error, warning, pedwarn_with_file_and_line,
9261 error_with_file_and_line, warning_with_file_and_line, sorry,
9262 error_for_asm, warning_for_asm, fatal): Reimplement.
9263 (finish_diagnostic): Clear diagnostic info as well.
9265 2000-07-13 Neil Booth <NeilB@earthling.net>
9267 * c-common.h (flag_digraphs): New.
9268 * c-decl.c (c_decode_option): Set flag_digraphs as appropriate.
9269 * c-lex.c (yylex): Use flag_digraphs to decide whether to
9272 2000-07-13 Zack Weinberg <zack@wolery.cumb.org>
9274 * gcc.c (do_spec_1): Add new %B operator.
9275 (set_input): Prepare for %B.
9277 (link_command_spec): Move up with the other tm.h-
9278 overrideable specs. Factor out the portion conditional on
9279 LINK_LIBGCC_SPECIAL into a new spec, %(link_libgcc).
9280 (struct compiler): Just have a single spec string. All users
9282 (default_compilers): Remove unnecessary braces.
9283 (static_specs): Update.
9285 (trad_capable_cpp, cpp_options, cc1_options, asm_options): New
9287 (C and assembly specs): Use the new named specs, as appropriate.
9289 * objc/lang-specs.h: Use the new named specs.
9290 Remove unnecessary braces.
9292 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
9294 * gcc.c (execute): If a subprocess gets a fatal signal, report
9295 strsignal() of the signal number, and ask for a bug report.
9296 Do not do this for SIGPIPE if there's already been an error.
9298 * tradcpp.c: Don't include signal.h. Don't catch SIGPIPE.
9301 * tradcif.c: Remove.
9303 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
9305 * final.c (profile_function): Do not emit profile counters in
9306 the data section, if NO_PROFILE_COUNTERS is defined.
9307 * tm.texi: Document NO_PROFILE_COUNTERS. Update doc for
9310 * config/i386/linux.h (NO_PROFILE_COUNTERS): Define.
9311 (FUNCTION_PROFILER): Just emit a call to mcount.
9313 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
9315 * tradcpp.c (main): Rename 'perror' label to 'sys_error'.
9317 * cppexp.c, cpphash.c, cpphash.h, cppinit.c, cpplex.c,
9318 cpplib.c, cpplib.h: Eradicate all traces of code dependent on
9319 traditional, lang_chill, or lang_fortran.
9321 * cppfiles.c: #undef strcmp to suppress warning about macros
9322 used without arguments.
9323 (_cpp_execute_include): Use f, not fname, in "No include path"
9325 (_cpp_pop_file_buffer): New function.
9326 * cpplib.c: Don't include <sys/mman.h>.
9327 (cpp_push_buffer): Set line_base and lineno in new buffer.
9328 (cpp_pop_buffer): Use _cpp_pop_file_buffer.
9330 * cpplex.c: Move all prototypes and structure declarations to the
9331 top of the file. Properly parenthesise some macro arguments.
9332 (cpp_scan_line): New function.
9333 (special_symbol [case T_INCLUDE_DEPTH]): Use pfile->include_depth,
9334 don't need to walk up the stack counting.
9336 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9338 * c-common.c (combine_strings): Emit a pedantic warning when a
9339 string length is greater than the minimum ANSI C is required
9342 Wed Jul 12 13:24:30 2000 Jeffrey A Law (law@cygnus.com)
9344 * pa/xm-pa64.h (NO_SYS_SIGLIST): Kill.
9345 * d30v/xm-d30v.h (NO_SYS_SIGLIST): Kill.
9347 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9349 * c-decl.c (define_label): Warn about identifier conflicts with
9350 labels in traditional C.
9352 * c-parse.in (unop +): Warn about the unary plus operator for
9355 * c-typeck.c (store_init_value): Warn about automatic aggregate
9356 initialization for traditional C.
9358 * invoke.texi (-Wtraditional): Document new warnings.
9360 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
9362 * Makefile.in (c-errors.o): Fix thinko in dependency.
9364 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
9366 * gcc.c (C specs [!USE_CPPLIB]): Invoke tradcpp if any of
9367 -traditional, -ftraditional, or -traditional-cpp was given.
9368 Do not pass -traditional to the preprocessor.
9369 (.S spec): Likewise. Don't bother defining __ASSEMBLER__, the
9370 preprocessor does it automatically.
9371 * objc/lang-specs.h: Likewise. Don't bother defining __OBJC__.
9373 * ch/lang-specs.h: Always use tradcpp. Do not pass
9374 -traditional, -trigraphs, or -pedantic to the preprocessor.
9375 * f/lang-specs.h (.F spec): Likewise. Don't bother defining
9378 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
9380 * cppexp.c (LOGICAL): Delete macro.
9381 (_cpp_parse_expr): Do not use UNARY for unary +. Implement ||
9384 * cpphash.c (HASHSIZE): Increase to 4096.
9385 (struct hashdummy): Add hash field.
9386 (eq_HASHNODE): Compare unreduced hashes, then lengths, then
9387 the string values using memcmp.
9388 (cpp_lookup): Set dummy.hash.
9390 Wed Jul 12 13:15:16 2000 Marc Espie <espie@openbsd.org>
9392 * configure.in (m88k-openbsd): Express configuration using new fragment
9394 * configure: Rebuilt.
9395 * m88k/aout-dbx.h: New.
9396 * m88k/openbsd.h: New.
9397 * m88k/xm-openbsd.h: New.
9399 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9401 * expr.c (expand_expr): Return const0_rtx, not error_mark_node.
9403 2000-07-12 Richard Henderson <rth@cygnus.com>
9405 * reload.c (push_secondary_reload): Make sure to add the new
9406 reload at the end, after acquiring secondary memory.
9408 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9410 * cpplex.c (is_macro_disabled): Use CPP_WTRADITIONAL.
9412 * c-decl.c (set_current_function_name_declared, anon_aggr_type_p,
9413 lang_expand_stmt): Mark parameters with ATTRIBUTE_UNUSED.
9415 * c-parse.in (stmt): Delete unused variables.
9417 * convert.c (convert_to_vector): Likewise.
9419 * gensupport.c (process_rtx): Declare attr as `rtvec' not `rtx'.
9421 * tree.c (finish_vector_type): Prototype.
9423 2000-07-12 Bruce Korb <bkorb@gnu.org>
9425 * fixinc/fixfixes.c: use xmalloc
9426 * fixinc/fixincl.c(initialize): set program name for xmalloc
9427 * fixinc/fixlib.c(must_malloc): obsolete
9428 (is_cxx_header): no longer used - disabled
9429 (skip_quote): inserted and disabled for future use
9430 * fixinc/fixlib.h: reflects above
9431 * fixinc/fixtests.c: removed dinkleberries
9433 2000-07-12 Neil Booth <NeilB@earthling.net>
9435 * cpphash.h: (TOKEN_SPELL) Pulled from cpplex.c.
9436 * cpplex.c (TOKEN_SPELL) Move to cpphash.h.
9438 * cpphash.c: (struct macro_info, alloc_macro, free_macro,
9439 struct toklist_dummy): New.
9440 (cpp_free_definition): Free macros with free_macro.
9441 (count_params): Don't save paramter spellings. Save macro
9442 information in a struct macro_info.
9443 (parse_define): Don't allocate a token list.
9444 (save_expansion): Allocate the macro's token list, and
9445 save parameter spellings if necessary. Use TOKEN_SPELL.
9446 (cpp_create_definition): Make list const.
9448 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
9450 * c-typeck.c (pedwarn_c99): Move to
9451 * c-errors.c: ... Here.
9452 * toplev.h (verror, vwarning, vpedwarn): Remove prototypes.
9453 * diagnostic.c (verror, vwarning, vpedwarn): Make static.
9454 * Makefile.in (C_AND_OBJC_OBJS): Include c-errors.o
9455 (c-errors.o): List dependency.
9457 2000-07-12 Mark Mitchell <mark@codesourcery.com>
9459 * c-parse.c: Remove.
9460 * c-parse.h: Likewise.
9461 * c-parse.y: Likewise.
9462 * objc/objc-parse.c: Likewise.
9463 * objc/objc-pasre.y: Likewise.
9465 2000-07-11 Rodney Brown <RodneyBrown@pmsc.com>
9467 * gcc.texi: Fix minor typos
9468 * extend.texi: Fix minor typos
9470 2000-07-11 Marc Espie <espie@openbsd.org>
9472 * collect2.c (main): Recognize .lo as object files.
9474 2000-07-11 J. David Anglin <dave@hiauly1.hia.nrc.ca>
9476 * pa.c (hppa_encode_label): Store labels in gc memory when ggc_p is
9479 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Extend test to detect systems
9480 with MAP_ANONYMOUS and MAP_ANON.
9481 * configure, config.in: Rebuilt.
9483 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
9485 * diagnostic.c (save_output_state): Remove.
9486 (restore_output_state): Likewise.
9487 (clear_text_info): New function.
9488 (clear_diagnostic_info): Likewise.
9489 (output_text_length, is_starting_newline, output_prefix,
9490 line_wrap_cutoff, ideal_line_wrap_cutoff, prefix_was_emitted_for,
9491 prefixing_policy, output_buffer_ptr_to_format_args): New macros
9492 (set_real_maximum_length, output_set_maximum_length,
9493 output_set_prefix, output_get_prefix, output_set_maximum_length,
9494 output_destroy_prefix, init_output_buffer,
9495 reshape_diagnostic_buffer, output_space_left, output_emit_prefix,
9496 output_add_newline, output_add_character, output_add_space,
9497 output_append_r, output_append, wrap_text, output_format,
9498 output_do_printf, output_printf, output_do_verbatim,
9499 output_verbatim, verbatim): Use them.
9500 (output_clear): Split into cleat_text_info and
9501 clear_diagnostic_info.
9502 (struct output_state): Move to...
9504 * diagnostic.h: ...Here
9505 (struct output_buffer): Adjust.
9507 2000-07-11 Zack Weinberg <zack@wolery.cumb.org>
9509 * cpplex.c (parse_name): No longer inline (premature optimization).
9510 (do_pop_context): Fold into pop_context.
9511 (pop_context): Returns int.
9512 (lex_next): Hoist test for end of directive into pop_context.
9513 (push_macro_context): Returns int; takes just reader and token.
9514 Hoist test for excessive nesting to caller.
9515 (push_arg_context): Returns void; takes just reader and token.
9516 Do not call stringify_arg or get_raw_token.
9517 (get_raw_token): Convert tail recursion through push_arg_context
9518 to a loop at this level. Call stringify_arg here if appropriate.
9519 (maybe_paste_with_next): Convert tail recursion to a while loop.
9520 Hoist test of paste_level to caller.
9522 (stringify_arg): Push arg context at beginning.
9523 (cpp_get_token): Split out core into _cpp_get_token. Call
9524 process_directive here. Throw away CPP_PLACEMARKER tokens.
9525 (_cpp_get_token): Convert tail recursion through
9526 push_macro_context to a loop at this level.
9527 (_cpp_glue_header_name, is_macro_disabled, stringify_arg,
9528 _cpp_get_raw_token): Use _cpp_get_token.
9529 (_cpp_skip_rest_of_line): Drop the context stack directly; do
9530 not call pop_context.
9531 (_cpp_run_directive): Call lex_next directly.
9533 * cpphash.h: Prototype _cpp_get_token.
9534 * cppexp.c (lex): Use it.
9535 * cpphash.c (parse_define): Use it.
9536 * cpplib.c (get_define_node, do_undef, parse_include,
9537 read_line_number, do_line, do_ident, do_pragma, do_pragma_gcc,
9538 do_pragma_implementation, do_pragma_poison, do_pragma_dependency,
9539 parse_ifdef, validate_else): Use it.
9540 (cpp_push_buffer): Tweak error message; abort if anyone tries
9541 to push a buffer while macro expansions are stacked.
9543 2000-07-11 Donn Terry <donnte@microsoft.com>
9545 * cpplex.c (free_macro_args, save_token): Cast arg of free
9546 and/or xrealloc to PTR.
9547 (_cpp_init_input_buffer): Clear all fields of the base context.
9549 Tue Jul 11 15:28:21 CDT 2000 Clinton Popetz <cpopetz@cygnus.com>
9551 * gensupport.c (process_rtx): Make rtl checking stop
9552 complaining about the define_insn while it is being
9553 converted from a define_insn_and_split.
9555 Tue Jul 11 16:26:17 2000 Clinton Popetz <cpopetz@cygnus.com>
9557 * config/mips/mips.c (simple_memory_operand): Access the
9558 INTVAL of the address, not it's containing MEM.
9560 2000-07-11 Bruce Korb <bkorb@gnu.org>
9562 * fixinc/fixtests.c(double_slash): obsolete
9563 (else_endif_label): likewise
9564 * fixinc/inclhack.def(irix_multiline_cmnt): obsolete
9565 (libc1_ifdefd_memx): correct initial comment
9566 and omit the #if/#endif pair from the memxxx declarations
9567 * fixinc/fixincl.x: regen
9569 2000-07-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9571 * cpplex.c (T, I, S, C, N): Avoid non-constant initializers.
9573 2000-07-11 Neil Booth <NeilB@earthling.net>
9577 2000-07-11 Neil Booth <NeilB@earthling.net>
9579 * cppinit.c: (cpp_reader_init): Allow digraphs by default.
9580 (handle_option): Set digraphs according to standard.
9581 Merge OPT_lang_c89 handler with OPT_std_c89.
9583 * cpplex.c: (lex_line, can_paste): Honour digraphs in
9584 accordance with the digraphs flag.
9586 * cpplib.h: (struct cpp_options): New option digraphs.
9588 2000-07-10 Hans-Peter Nilsson <hp@axis.com>
9589 Bruce Korb <bkorb@gnu.org>
9591 * fixinc/inclhack.def (libc1_ifdefd_memx): New fix.
9592 * fixinc/fixincl.x: Regenerate.
9593 * fixinc/tests/base/testing.h: Add testcase.
9595 2000-07-10 Richard Henderson <rth@cygnus.com>
9597 * config/ia64/ia64.c (got_symbolic_operand): New.
9598 (symbolic_operand, move_operand): Revert 0701 change.
9599 * config/ia64/ia64.h (PREDICATE_CODES): Update.
9600 * config/ia64/ia64-protos.h (got_symbolic_operand): Declare.
9601 * config/ia64/ia64.md (movdi): Revert 0701 wrt symbolic_operand;
9602 split the offset into a 14-bit low part instead of a 13-bit low part.
9603 (load_fptr): Mark the mem as unchanging.
9604 (load_symptr): Use got_symbolic_operand.
9606 2000-07-10 Nick Clifton <nickc@cygnus.com>
9608 * libgcc2.c (next_stack_level): Cast result of computation to
9609 (void **) so that the assignment does not generate a warning.
9611 2000-07-10 Chandrakala Chavva <cchavva@redhat.com>
9613 * flags.h : Add new variable flag_single_precision_constant.
9614 * toplev.c (display_help) : Add -fsingle-precision-constant option.
9615 (flag_single_precision_constant): New.
9616 * c-lex.c (yylex): Convert floating point constant to single
9618 * invoke.texi : Add documentation for this new option.
9620 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
9622 * diagnostic.c (output_octal): Second parameter is unsigned.
9623 (output_long_octal): Likewise.
9624 (output_hexadecimal): Likewise.
9625 (output_long_hexadecimal): Likewise.
9626 (output_format): Adjust arguments extraction. Tweak.
9627 (output_verbatim, verbatim): End variable argument list.
9628 (report_diagnostic): Improve documentation.
9630 2000-07-10 Benjamin Chelf <chelf@codesourcery.com>
9632 * c-common.h (build_stmt): Declare.
9633 (build_continue_stmt): Likewise.
9634 (build_break_stmt): Likewise.
9635 (build_return_stmt): Likewise.
9637 * c-decl.c (do_case): Rewrite to do what previously done in
9640 * c-semantics.c (build_stmt): Define.
9641 (build_return_stmt): Likewise.
9642 (build_break_stmt): Likewise.
9643 (build_continue_stmt): Likewise.
9644 (build_case_label): Likewise.
9646 * c-parse.in (BREAK): Change to build tree, then generate RTL.
9647 (CONTINUE): Likewise.
9650 (DEFAULT): Likewise.
9652 * c-parse.y: Regenerate.
9653 * c-pasre.c: Likewise.
9655 2000-07-09 Jason Merrill <jason@redhat.com>
9657 * expr.c (expand_expr): Bail earlier if we get an error_mark_node.
9659 * tree.h (STRIP_NOPS): Check for error_mark_node.
9660 (STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Likewise.
9661 (dwarf2out_*): Remove duplicate declarations.
9663 * c-decl.c (duplicate_decls): Copy DECL_ABSTRACT_ORIGIN from
9664 DECL_ABSTRACT_ORIGIN, not DECL_ORIGIN.
9666 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
9668 * diagnostic.c (wrap_text): New function.
9669 (maybe_wrap_text): Likewise.
9670 (output_add_string): Use it.
9671 (output_format): Likewise.
9672 (count_error): Use verbatim instead of notice.
9673 (report_error_function): Likewise. Don't use plain fprintf.
9674 (finish_diagnostic): New function.
9675 (output_do_verbatim): Tweak. Commonalize functionalities in
9676 output_verbatim and verbatim.
9677 (output_verbatim): Adjust.
9678 (verbatim): Likewise.
9679 (report_diagnostic): Define.
9681 * diagnostic.h (report_diagnostic): Prototype.
9683 2000-07-09 Zack Weinberg <zack@wolery.cumb.org>
9685 * cppexp.c (_cpp_parse_expr): Don't use unary plus.
9687 2000-07-09 Neil Booth <NeilB@earthling.net>
9689 * cpphash.h: ISvspace, is_vspace, is_nvspace: New.
9690 IShspace, ISspace: Update.
9692 * cppinit.c: ISTABLE: Update.
9695 * cpplex.c (IS_HSPACE, S_NEWLINE): Remove.
9696 (IS_DIRECTIVE): Rename KNOWN_DIRECTIVE.
9697 (skip_block_comment, skip_line_comment, parse_string,
9698 lex_line): Use is_vspace rather than IS_NEWLINE.
9699 (skip_whitespace, lex_line): Clean up to use is_nvspace.
9700 (lex_line): Use KNOWN_DIRECTIVE. Any kind of directive
9702 (lex_next): Unconditionally stop if within a directive.
9703 Treat directives within macro invocations as directives
9704 (after parse_args emits error), not as the argument.
9706 2000-07-09 Gabriel Dos Reis <gdr@codesourcery.com>
9708 * diagnostic.c (diagnostic_args): New macro.
9709 (diagnostic_msg): Likewise.
9710 (output_formatted_integer): Likewise.
9711 (output_state): New data type.
9712 (digit_buffer): Make global.
9713 (output_add_integer): Rename to output_decimal. Squeeze
9715 (output_long_decimal, output_unsigned_decimal,
9716 output_long_unsigned_decimal, output_octal, output_long_octal,
9717 output_hexadecimal, output_long_hexadecimal): New functions.
9718 (output_append_r): New function.
9719 (output_append): Tweak.
9720 (output_flush_on): Rename to output_to_stream.
9721 (output_format): Change prototype. Improve documentation. Handle
9722 more format specifiers.
9723 (build_location_prefix): Rename to context_as_prefix.
9724 (output_notice): Rename to output_do_printf.
9725 (output_printf): Tweak.
9726 (line_wrapper_printf): Likewise.
9727 (vline_wrapper_message_with_location): Adjust call to renamed
9729 (v_message_with_decl): Likewise.
9730 (default_print_error_function): Likewise.
9731 (save_output_state): New function.
9732 (restore_output_state): Likewise.
9733 (output_do_verbatim): Likewise.
9734 (output_verbatim): Define.
9735 (verbatim): Likewise.
9737 * diagnostic.h (printer_fn): Change return type from void to int.
9738 Improve documentation.
9739 (output_add_integer): Rename to output_decimal.
9740 (output_flush_on, output_format): Don't export.
9741 (output_verbatim, verbatim): Declare.
9743 2000-07-08 Toon Moene <toon@moene.indiv.nluug.nl>
9745 * fold-const.c (extract_muldiv) case PLUS_EXPR, MINUS_EXPR:
9746 Check whether c divides op1 exactly if operation is not
9749 2000-07-08 Richard Henderson <rth@cygnus.com>
9751 * final.c (final): Do not abort when reg-stack introduces
9754 2000-07-08 Zack Weinberg <zack@wolery.cumb.org>
9756 * cpplib.h (struct cpp_name): Now struct cpp_string.
9757 (CPP_INT, CPP_FLOAT, CPP_NUMBER, CPP_COMMENT,
9758 CPP_HEADER_NAME): Change to type S.
9759 (struct cpp_token): Rename 'name' field to 'str'. Add 'node'
9760 field, a cpp_hashnode *. All references to val.name updated
9761 to use val.str or val.node as appropriate.
9762 (struct cpp_reader): Add spec_nodes field.
9763 (cpp_idcmp): Now cpp_ideq; takes a token * and a char *.
9765 * cpphash.h (struct spec_nodes): New.
9766 (enum spell_type): Reorder. Only SPELL_STRING tokens use
9767 val.str. All references to 'spelling > SPELL_NONE' updated to
9770 (CPP_IN_SYSTEM_HEADER): Check pfile->buffer and
9771 pfile->buffer->inc are not NULL before dereferencing them.
9773 * cpplex.c (parse_name): Take a pointer to the current token,
9774 plus current position and limit as args; return the new
9775 position; don't copy the text of a name into the string
9776 buffer, instead call cpp_lookup and store the node pointer.
9777 If extending a token, copy out the text of the old into a
9778 scratch buffer, append the new, look that up and store the new
9779 node pointer. Inline.
9780 (maybe_paste_with_next): If the result of paste is a NAME,
9781 then look up the pasted text and store its node pointer.
9782 (lex_line): Adjust for new parse_name interface.
9783 Check for L"str", L'str' using spec_nodes->n_L.
9784 (spell_token): SPELL_IDENT tokens have their spelling in
9785 val.node->name. Handle SPELL_STRING tokens that don't have
9787 (_cpp_expand_name_space,
9788 (can_paste): Check for L ## "str" using spec_nodes->n_L.
9789 (cpp_get_token, special_symbol): No need to call cpp_lookup.
9790 (cpp_idcmp): Now cpp_ideq; take a token * and a const char *;
9791 return 1=equal 0=not, not a tristate.
9793 * cpphash.c (var_args_str): Delete.
9794 (find_param): Compare node fields directly.
9795 (is__va_args__): Use CPP_PEDANTIC. Just compare
9796 token->val.node with spec_nodes->n__VA_ARGS__.
9797 (dump_funlike_macro): Don't use var_args_str.
9799 * cpplib.c (_cpp_check_directive): Just walk through
9800 spec_nodes->dirs comparing pointers.
9801 (get_define_node, do_pragma_poison, detect_if_not_defined,
9802 parse_ifdef): The identifier has already been looked up.
9803 (do_ifdef, do_ifndef): parse_ifdef won't return a poisoned
9805 (do_if): Only call detect_if_not_defined at beginning of file.
9806 (_cpp_parse_assertion): Only copy string pointers for
9807 SPELL_STRING tokens.
9808 (pragma_dispatch): Take a node pointer and examine its name
9810 (_cpp_init_stacks): Also initialize the spec_nodes structure.
9812 * cppinit.c (cpp_reader_init): Call _cpp_init_stacks after
9814 (cpp_cleanup): Free pfile->spec_nodes. Call _cpp_cleanup_* in
9815 reverse order from the corresponding _cpp_init_* routines.
9817 * cppexp.c (parse_number, parse_charconst, parse_defined,
9818 lex): Check val.node->type instead of calling cpp_defined.
9819 Use spec_nodes entries where appropriate.
9821 * fix-header.c, scan-decls.c: Update for interface changes.
9823 2000-07-08 Geoffrey Keating <geoffk@cygnus.com>
9825 * config/rs6000/rs6000.c (rs6000_emit_move): Fix conditions for
9826 emitting aux_truncdfsf2.
9828 2000-07-03 Donn Terry (donnte@microsoft.com)
9830 * cppinit.c (print_help): split overlong line into ISO C89
9833 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
9835 * cppexp.c: Update all code for new lexer interface.
9836 (op_t, operator codes, struct token, tokentab2, op_to_str): Remove.
9837 (struct suffix, vsuf_1, vsuf_2, vsuf_3, op_to_prio): New.
9838 * cpplex.c (token_names): Trim leading CPP_ from names; make
9839 the strings unsigned.
9840 (_cpp_spell_operator): New.
9841 (is_macro_disabled): Disable all macros if rescanning
9843 (_cpp_get_directive_token): Remove.
9845 * cppinit.c: Don't set no_macro_expand.
9846 * cpplib.c (read_line_number, do_line): Check only for EOF,
9848 * cpphash.h: Update prototypes.
9849 * cpplib.h (CPP_VSPACE): Remove.
9850 (struct cpp_reader): Remove no_macro_expand.
9852 2000-07-08 Neil Booth <NeilB@earthling.net>
9854 * cpphash.c (is__va_args__): New function.
9855 (count_params): Fix line reported in error messages. Use
9856 is__va_args__. Don't return ')' on error. Flag GNU style
9857 rest args macro definitions.
9858 (parse_define): Check macro name is not __VA_ARGS__.
9859 (save_expansion): Check identifier in non-varargs-macro is
9860 not __VA_ARGS__. Don't flag GNU_VARARGS.
9861 * cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS.
9862 (maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather
9863 than per-token GNU_VARARGS.
9864 * cpplib.h (GNU_VARARGS): Remove.
9865 (GNU_REST_ARGS): New.
9867 Sat Jul 8 01:38:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
9869 * i386.md (call_pop, call, call_value_pop): Do not set
9870 current_function_uses_pic_offset_table for calls to static
9871 functions or indirect calls.
9873 2000-07-07 Jim Wilson <wilson@cygnus.com>
9875 * config/ia64/ia64.c (rws_access_reg): New local write_count. If
9876 is_predicate_reg, then take max write_count of register pair.
9878 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9880 * tradcpp.c (main): Rename label `include' to `add_include' to
9881 avoid conflicts with variable `include' in traditional C.
9883 2000-07-07 Jakub Jelinek <jakub@redhat.com>
9885 * integrate.c (copy_insn_list): Remove REG_LABEL notes.
9887 2000-07-07 Jakub Jelinek <jakub@redhat.com>
9889 * sibcall.c (uses_addressof): Add INMEM argument, check for
9890 current_function_internal_arg_pointer outside of MEM rtxs in addition
9892 (sequence_uses_addressof): Update caller.
9894 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
9896 * tradcpp.c (initialize_builtins): Honor NO_BUILTIN_SIZE_TYPE
9899 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9901 * system.h (UNION_INIT_ZERO): New macro for initializing union
9904 * cpplex.c (placemarker_token, eof_token): Use UNION_INIT_ZERO.
9906 2000-07-07 Neil Booth <NeilB@earthling.net>
9910 Fri Jul 7 07:47:35 2000 Jeffrey A Law (law@cygnus.com)
9912 * final.c (final): Detect out of bounds array access to
9913 the insn_lengths array.
9915 2000-07-07 Kazu Hirata <kazu@hxi.com>
9917 * fold-const.c (fold): Fix a comment typo.
9919 2000-07-07 Neil Booth <NeilB@earthling.net>
9921 * cpp.texi: Update to new lexer.
9923 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
9925 * tradcpp.c: New file.
9926 * tradcif.y: New file.
9927 * tradcif.c: New generated file.
9929 * Makefile.in: Add rules to build tradcpp.o, tradcif.o,
9930 $(srcdir)/tradcif.c. Add tradcpp to STAGESTUFF and
9931 dependencies of C. Install tradcpp from install-common, in
9934 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
9936 * cppinit.c: Include cppdefault.h. Refer to
9937 cpp_GCC_INCLUDE_DIR and cpp_GCC_INCLUDE_DIR_len, not directly
9938 to GCC_INCLUDE_DIR and its length.
9939 (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
9940 USER_LABEL_PREFIX, REGISTER_PREFIX, struct default_include,
9941 STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT): Move to
9943 (include_defaults_array): Move to cppdefault.c.
9945 * cppdefault.h: New file.
9946 * cppdefault.c: New file.
9948 * Makefile.in (LIBCPP_OBJS): Add cppdefault.o.
9949 (cppinit.o): Don't apply $(PREPROCESSOR_DEFINES) to this file.
9950 (cppdefault.o): New rule; apply $(PREPROCESSOR_DEFINES) to
9953 Thu Jul 6 18:30:36 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9955 * reload.c (push_reload): When seeing if can reuse a register,
9956 check extra registers against widest of INMODE and OUTMODE.
9958 2000-07-06 Neil Booth <NeilB@earthling.net>
9960 * cpplib.c: (_cpp_parse_assertion): Perform hash lookups
9961 based on full length of predicate.
9963 2000-07-06 Hans-Peter Nilsson <hp@axis.com>
9965 * timevar.c: [HAVE_SYS_RESOURCE_H]: Include <sys/resource.h>.
9966 [NEED_DECLARATION_GETRUSAGE]: Declare getrusage.
9968 2000-07-05 Kazu Hirata <kazu@hxi.com>
9970 * h8300-proto.h: Fix formatting.
9971 * h8300.c: Likewise.
9972 * h8300.h: Likewise.
9974 2000-07-05 Jim Wilson <wilson@cygnus.com>
9976 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): If FR_REGNO_P, disallow
9979 2000-07-05 Rodney Brown <RodneyBrown@pmsc.com>
9981 * invoke.texi: Fix minor typos
9982 * md.texi: Fix minor typos
9984 2000-07-05 Zack Weinberg <zack@wolery.cumb.org>
9986 * cpplib.c (_cpp_parse_assertion): Fix buffer overrun.
9988 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
9990 * cpplex.c: Don't include sys/mman.h.
9991 (cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.
9993 * cpplib.c: Include sys/mman.h and obstack.h.
9994 (cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
9996 (cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
9997 (_cpp_unwind_if_stack): Now static, unwind_if_stack. Don't
9998 bother freeing if stack entries (they will be freed with their buffer).
9999 (do_endif): Free if stack entries from the buffer obstack.
10000 (push_conditional): Allocate if stack entries from the buffer obstack.
10002 (find_answer): Rename to _cpp_find_answer.
10003 (do_assert, do_unassert): Update.
10005 * cpphash.h: Update prototypes.
10006 (xobnew): New convenience macro.
10007 * cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
10009 (struct cpp_hashnode): Remove disabled field.
10011 * cppinit.c: Don't include hashtab.h or splay-tree.h.
10012 (report_missing_guard): Moved to cppfiles.c.
10013 (cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
10015 (cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
10016 cpp_cleanup_includes. Don't destroy hashtab or
10017 all_include_files here.
10018 (cpp_finish): Use _cpp_report_missing_guards.
10020 * cppfiles.c (report_missing_guard): Moved from cppinit.c.
10021 (_cpp_init_include_table): Rename _cpp_init_includes.
10022 (_cpp_cleanup_includes, _cpp_report_missing_guards): New.
10024 * cppexp.c (parse_assertion): Update for new name of
10027 * Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.
10029 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
10031 * cpplib.c (do_ident): s/VSPACE/EOF/
10033 2000-07-05 Neil Booth <NeilB@earthling.net>
10035 * cpplex.c: Fix trigraph replacement within strings.
10037 2000-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10039 * rs6000/aix.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier.
10041 * xcoffout.c (assign_type_number): Constify.
10042 (xcoffout_source_file): Add static prototype. Don't needlessly
10043 cast away const-ness.
10045 2000-07-04 Jason Merrill <jason@redhat.com>
10047 * frame.h (frame_state): Move base_offset to end.
10049 Mon Jul 3 21:31:43 2000 Clinton Popetz <cpopetz@cygnus.com>
10051 * calls.c (emit_library_call_value_1): Revert previous change.
10053 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
10055 * fix-header.c (struct partial_proto): Remove unnecessary fields.
10056 (recognized_extern, recognized_function, read_scan_file):
10057 Update for new scheme.
10058 (check_protection): It's still a multiple include guard even
10059 if it doesn't always trigger.
10060 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
10062 * scan.h: Declare struct cpp_token. Update prototypes.
10064 2000-07-03 Neil Booth <neilb@earthling.net>
10065 Zack Weinberg <zack@wolery.cumb.org>
10067 Complete overhaul of the lexer and macro expander.
10069 * cpphash.c (object_defn, funct_defn, push_macro_expansion,
10070 arg, arglist, argdata, reflist, collect_objlike_expansion,
10071 collect_funlike_expansion, collect_params,
10072 warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat,
10073 unsafe_chars, macarg, compare_defs, special_symbol,
10074 scan_arguments, stringify, funlike_macroexpand,
10075 _cpp_quote_string, monthnames): Delete.
10076 (cpp_lookup, _cpp_free_definition, dump_funlike_macro,
10077 _cpp_create_definition, _cpp_dump_definition,
10078 dump_hash_helper): Adjust.
10079 (find_param, count_params, parse_define, var_args_str,
10080 check_macro_redefinition, save_expansion): New.
10082 * cpplex.c (skip_block_comment, skip_line_comment, parse_name,
10083 parse_string, output_line_command, trigraph_replace,
10084 lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens,
10085 cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist,
10086 cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer,
10087 _cpp_skip_rest_of_line): Modify.
10089 (maybe_macroexpand, skip_comment, copy_comment, skip_string,
10090 find_position, null_warning, bump_column, expand_name_space,
10091 pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist,
10092 _cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace,
10093 _cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token,
10094 _cpp_prescan): Delete.
10096 (dump_param_spelling, process_directive, lex_next,
10097 is_macro_disabled, stringify_arg, expand_context_stack,
10098 output_token, make_string_token, alloc_number_token,
10099 special_symbol, duplicate_token, maybe_paste_with_next,
10100 can_paste, prevent_macro_expansion, restore_macro_expansion,
10101 get_temp_token, release_temp_tokens, quote_string,
10102 token_names, token_spellings, _cpp_expand_name_space,
10103 _cpp_glue_header_name, _cpp_reserve_name_space,
10104 digraph_spellings, trigraph_ok, skip_whitespace, save_comment,
10105 placemarker_token, eof_token, cpp_context, macro_args,
10106 get_raw_token, parse_arg, parse_args, save_token,
10107 push_arg_context, push_macro_context, pop_context,
10108 do_pop_context, free_macro_args, _cpp_get_line,
10109 _cpp_run_directive): New.
10111 * cpplib.c (validate_else, parse_include, push_conditional,
10112 pass_thru_directive, read_line_number, parse_ifdef,
10113 detect_if_not_defined, _cpp_check_directive, do_define,
10114 do_undef, do_include, do_import, do_include_next, do_error,
10115 do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas,
10116 top_pragmas, do_pragma_gcc, do_pragma_implementation,
10117 do_pragma_poison, do_pragma_system_header,
10118 do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else,
10119 dl_elif, do_endif, _cpp_unwind_if_stack, do_assert,
10120 do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert,
10121 cpp_defined): Update for new scheme.
10122 (strtoul_for_line, get_define_node, dump_macro_name,
10123 _cpp_check_linemarker, _cpp_parse_assertion): New.
10124 (_cpp_handle_directive, do_pragma_default): Delete.
10126 * cpphash.h (struct predicate): Now struct answer.
10127 (enum spell_type, struct token_spelling, struct directive,
10128 directive_handler): New.
10129 Update prototypes. Remove unused macros.
10130 * cpplib.h: Update prototypes. Remove unused macros,
10131 structure definitions, and fields.
10133 * cpperror.c (print_containing_files, v_message): Adjust.
10134 * cppexp.c (parse_assertion, lex, parse_escape,
10135 _cpp_parse_expr): Adjust.
10136 * cppfiles.c (open_include_file, _cpp_execute_include,
10137 _cpp_compare_file_date, cpp_read_file, read_include_file):
10139 * cppinit.c (dump_special_to_buffer): Delete.
10140 (append_include_chain, merge_include_chains, cpp_reader_init,
10141 cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read,
10142 cpp_finish, handle_option, print_help): Adjust.
10143 * cppmain.c (main): Adjust.
10145 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
10147 * cppspec.c (lang_specific_driver): Use double quotes in error
10150 Mon Jul 3 16:53:43 2000 Clinton Popetz <cpopetz@cygnus.com>
10152 * calls.c (emit_library_call_value_1): Use valreg instead
10153 of hard_libcall_value.
10155 2000-07-03 Geoff Keating <geoffk@cygnus.com>
10157 * config/rs6000/rs6000.c (rs6000_emit_move): New function.
10158 * config/rs6000/rs6000-proto.h: Prototype rs6000_emit_move.
10159 * config/rs6000/rs6000.md (movsi): Use rs6000_emit_move.
10167 * expmed.c (expand_mult_highpart): Use op1 instead of wide_op1 when
10168 mode instead of wider_mode is being used.
10170 2000-07-03 Jakub Jelinek <jakub@redhat.com>
10172 * config/i386/i386.md (movstrictqi_xor): Use 'q' constraint instead
10173 of 'r'. Use q_regs_operand.
10174 (andsi_1+2): Use q_regs_operand.
10176 2000-07-03 Jakub Jelinek <jakub@redhat.com>
10178 * builtins.c (get_memory_rtx): Always put into alias set 0.
10180 2000-07-03 Nick Clifton <nickc@cygnus.com>
10182 * config/arm/arm.md: Fix post increment and pre increment
10183 peepholes so that they do not generate UNPREDICATBLE opcodes.
10184 (ie ones where the increment clobbers the source/destination).
10186 2000-07-01 Marek Michalkiewicz <marekm@linux.org.pl>
10188 * config/avr/avr.c (out_adj_frame_ptr): Make "frame pointer
10189 change too big for -mtiny-stack" a warning, if larger than 63.
10190 (out_set_stack_ptr): Change the logic so -mno-interrupts is
10191 always safe to use on possible future devices.
10192 (function_prologue): Write SPH before SPL, for consistency.
10193 If interrupt_func_p true, we know we have enabled interrupts.
10194 (avr_num_arg_regs): New function. Round up to even number of
10195 bytes if no -mpack-args or if calling a libgcc function.
10196 (function_arg, function_arg_advance): Use it.
10197 (output_movsisf, ashlsi3_out, ashrsi3_out, lshrsi3_out):
10198 Output "movw" if available.
10199 (out_tsthi, out_tstsi, ashlqi3_out, lshrqi3_out): Change uses
10200 of TEST_HARD_REG_CLASS macro to test_hard_reg_class function.
10201 (asm_output_section_name): Add blanks for consistent output.
10202 (encode_section_info): Set TREE_READONLY for progmem data to
10203 avoid gas warnings about changed section attributes.
10204 (avr_hard_regno_mode_ok): Force non-QImode data to start in
10205 even numbered registers on devices with "movw".
10206 * config/avr/avr.h (MASK_*): Define bits for target_flags.
10207 (TARGET_SWITCHES): Mark help strings for translation.
10208 Add new -mpack-args and -menhanced switches.
10209 (TARGET_OPTIONS): Mark help strings for translation.
10210 (progmem_section): Add section attributes.
10211 * config/avr/avr.md (*movhi, call_insn, call_value_insn):
10212 Output "movw" if available.
10213 (mulqi3, mulqihi3, umulqihi3, mulhi3, *tablejump_enh):
10215 * config/avr/libgcc.S (_mulqi3, _divqi3): Update to the new
10216 call convention (arguments aligned on even registers).
10217 (_cleanup, _exit): Make weak symbols libc can override.
10219 2000-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10221 * fp-bit.h: New file.
10223 * fp-bit.c: Move common code, prototypes, etc into fp-bit.h.
10224 Comment #endif statements.
10225 (__thenan_sf, __thenan_df): Add missing braces around initializer.
10227 Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
10229 * gcse.c (compute_pre_data): Compute ae_kill using other local
10230 properties instead of calling compute_ae_kill.
10232 * alias.c (init_alias_analysis): Do not call
10233 prologue_epilogue_contains until after reload has completed.
10235 2000-07-02 Benjamin Chelf <chelf@codesourcery.com>
10237 * c-common.h (genrtl_begin_compound_stmt): Remove declaration.
10238 (genrtl_finish_compound_stmt): Likewise.
10239 (genrtl_compound_stmt): Change to return void.
10241 * c-semantics.c (genrtl_begin_compound_stmt): Remove function and
10242 move code from here to ...
10243 (genrtl_compound_stmt): ... here.
10244 (genrtl_finish_compound_stmt): Remove.
10245 (expand_stmt): Add comment.
10247 2000-07-02 Zack Weinberg <zack@wolery.cumb.org>
10249 * c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P
10252 2000-07-02 Jakub Jelinek <jakub@redhat.com>
10254 * cpplib.h (struct cpp_reader): New field include_depth.
10255 (struct cpp_printer): Rename last_bsd to last_id.
10256 * cppfiles.c (read_include_file): Bump include_depth.
10257 * cpplex.c (cpp_pop_buffer): Decrement include_depth.
10258 (output_line_command): Output correct #line if a header
10259 is including itself and is not protected against multiple inclusion.
10260 Use include_depth instead of buffer_stack_depth, last_id instead of
10262 * cppinit.c (cpp_start_read): Initialize last_id instead of
10265 2000-07-01 Benjamin Chelf <chelf@codesourcery.com>
10267 * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
10268 (c-semantics.o): New target.
10270 * c-common.h (TREE_LANG_FLAG_?): Added documentation.
10271 (genrtl_do_pushlevel): Moved from cp/cp-tree.h.
10272 (genrtl_clear_out_block): Likewise.
10273 (genrtl_goto_stmt): Likewise.
10274 (genrtl_expr_stmt): Likewise.
10275 (genrtl_decl_stmt): Likewise.
10276 (genrtl_if_stmt): Likewise.
10277 (genrtl_while_stmt): Likewise.
10278 (genrtl_do_stmt): Likewise.
10279 (genrtl_return_stmt): Likewise.
10280 (genrtl_for_stmt): Likewise.
10281 (genrtl_break_stmt): Likewise.
10282 (genrtl_continue_stmt): Likewise.
10283 (genrtl_scope_stmt): Likewise.
10284 (genrtl_switch_stmt): Likewise.
10285 (genrtl_case_label): Likewise.
10286 (genrtl_begin_compound_stmt): Likewise.
10287 (gerntl_finish_compound_stmt): Likewise.
10288 (genrtl_compound_stmt): Likewise.
10289 (genrtl_asm_stmt): Likewise.
10290 (genrtl_decl_cleanup): Likewise.
10291 (DECL_ANON_UNION_ELEMS): Likewise.
10292 (emit_local_var): Likewise.
10293 (make_rtl_for_local_static): Likewise.
10294 (expand_cond): Likewise.
10295 (expand_stmt): Likewise.
10296 (c_expand_return): Likewise.
10297 (c_expand_start_case): Likewise.
10298 (do_case): Likewise.
10299 (COMPOUND_STMT_NO_SCOPE): Likewise.
10300 (c_expand_asm_operands): Likewise.
10301 (NEW_FOR_SCOPE_P): New macro.
10302 (expand_expr_stmt_fn): New type.
10304 (set_current_function_name_declared): Likewise.
10305 (current_function_name_declared): Likewise.
10306 (lang_expand_stmt): Likewise.
10307 (stmts_are_full_exprs_p): Likewise.
10308 (anon_aggr_type_p): Likewise.
10309 (lang_expand_expr_stmt): Likewise.
10310 (build_case_label): Likewise.
10312 * c-decl.c (lang_expand_expr_stmt): Initialize.
10313 (stmts_are_full_exprs_p): Define.
10314 (current_function_name_declared): Likewise.
10315 (do_case): Likewise.
10316 (lang_expand_stmt): Likewise.
10317 (set_current_function_name_declared): Likewise.
10318 (anon_aggr_type_p): Likewise.
10320 * c-semantics.c: New file.
10321 (expand_cond): Moved from cp/semantics.c.
10322 (genrtl_do_pushlevel): Likewise.
10323 (genrtl_clear_out_block): Likewise.
10324 (genrtl_goto_stmt): Likewise.
10325 (genrtl_expr_stmt): Likewise.
10326 (genrtl_decl_stmt): Likewise.
10327 (genrtl_if_stmt): Likewise.
10328 (genrtl_while_stmt): Likewise.
10329 (genrtl_do_stmt): Likewise.
10330 (genrtl_return_stmt): Likewise.
10331 (genrtl_for_stmt): Likewise.
10332 (genrtl_break_stmt): Likewise.
10333 (genrtl_continue_stmt): Likewise.
10334 (genrtl_scope_stmt): Likewise.
10335 (genrtl_switch_stmt): Likewise.
10336 (genrtl_case_label): Likewise.
10337 (genrtl_begin_compound_stmt): Likewise.
10338 (genrtl_finish_compound_stmt): Likewise.
10339 (genrtl_compound_stmt): Likewise.
10340 (genrtl_asm_stmt): Likewise.
10341 (genrtl_decl_cleanup): Likewise.
10342 (make_rtl_for_local_static): Moved from cp/decl.c.
10343 (emit_local_var): Likewise.
10344 (expand_stmt): Define.
10346 * c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
10347 (c_expand_return): Likewise.
10348 (c_expand_start_case): Likewise.
10350 2000-07-01 Richard Henderson <rth@cygnus.com>
10352 * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
10353 with the low 13 bits set.
10354 (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
10355 * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one
10356 of the low 13 bits into a CONST plus an adddi3.
10357 (load_symptr): Set RTX_UNCHANGING_P.
10359 See ChangeLog.3 for earlier changes.